diff options
| author | John W. Linville <linville@tuxdriver.com> | 2013-02-08 22:16:17 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-02-08 22:16:17 +0400 |
| commit | f5237f278f30a92401539a54f87ee0c717b6f818 (patch) | |
| tree | 209d4fd6fb00e660c76ca8ac5d4caed59dbb9957 /drivers | |
| parent | b285109dde7b873b5dc671ef1b3ae3090f4bc72f (diff) | |
| parent | b26f5f09ebdeb85ab152344cc1d6d484a3ce967d (diff) | |
| download | linux-f5237f278f30a92401539a54f87ee0c717b6f818.tar.xz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Diffstat (limited to 'drivers')
211 files changed, 25183 insertions, 2782 deletions
diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h index 04f7c86ea3d8..6f377bd1a6d6 100644 --- a/drivers/bcma/bcma_private.h +++ b/drivers/bcma/bcma_private.h @@ -47,6 +47,7 @@ int bcma_sprom_get(struct bcma_bus *bus); /* driver_chipcommon.c */ #ifdef CONFIG_BCMA_DRIVER_MIPS void bcma_chipco_serial_init(struct bcma_drv_cc *cc); +extern struct platform_device bcma_pflash_dev; #endif /* CONFIG_BCMA_DRIVER_MIPS */ /* driver_chipcommon_pmu.c */ diff --git a/drivers/bcma/driver_chipcommon_nflash.c b/drivers/bcma/driver_chipcommon_nflash.c index 1f0b83e18f68..d4f699aef8c4 100644 --- a/drivers/bcma/driver_chipcommon_nflash.c +++ b/drivers/bcma/driver_chipcommon_nflash.c @@ -5,11 +5,11 @@ * Licensed under the GNU/GPL. See COPYING for details. */ +#include "bcma_private.h" + #include <linux/platform_device.h> #include <linux/bcma/bcma.h> -#include "bcma_private.h" - struct platform_device bcma_nflash_dev = { .name = "bcma_nflash", .num_resources = 0, diff --git a/drivers/bcma/driver_chipcommon_sflash.c b/drivers/bcma/driver_chipcommon_sflash.c index 1e694db4532d..e6ed4fe5dced 100644 --- a/drivers/bcma/driver_chipcommon_sflash.c +++ b/drivers/bcma/driver_chipcommon_sflash.c @@ -5,11 +5,11 @@ * Licensed under the GNU/GPL. See COPYING for details. */ +#include "bcma_private.h" + #include <linux/platform_device.h> #include <linux/bcma/bcma.h> -#include "bcma_private.h" - static struct resource bcma_sflash_resource = { .name = "bcma_sflash", .start = BCMA_SOC_FLASH2, diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c index 9a6f585da2d9..0b5df538dfd9 100644 --- a/drivers/bcma/driver_gpio.c +++ b/drivers/bcma/driver_gpio.c @@ -73,6 +73,16 @@ static void bcma_gpio_free(struct gpio_chip *chip, unsigned gpio) bcma_chipco_gpio_pullup(cc, 1 << gpio, 0); } +static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) +{ + struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); + + if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC) + return bcma_core_irq(cc->core); + else + return -EINVAL; +} + int bcma_gpio_init(struct bcma_drv_cc *cc) { struct gpio_chip *chip = &cc->gpio; @@ -85,6 +95,7 @@ int bcma_gpio_init(struct bcma_drv_cc *cc) chip->set = bcma_gpio_set_value; chip->direction_input = bcma_gpio_direction_input; chip->direction_output = bcma_gpio_direction_output; + chip->to_irq = bcma_gpio_to_irq; chip->ngpio = 16; /* There is just one SoC in one device and its GPIO addresses should be * deterministic to address them more easily. The other buses could get diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c index 9fe86ee16c66..9a7f0e3ab5a3 100644 --- a/drivers/bcma/driver_mips.c +++ b/drivers/bcma/driver_mips.c @@ -14,11 +14,33 @@ #include <linux/bcma/bcma.h> +#include <linux/mtd/physmap.h> +#include <linux/platform_device.h> #include <linux/serial.h> #include <linux/serial_core.h> #include <linux/serial_reg.h> #include <linux/time.h> +static const char *part_probes[] = { "bcm47xxpart", NULL }; + +static struct physmap_flash_data bcma_pflash_data = { + .part_probe_types = part_probes, +}; + +static struct resource bcma_pflash_resource = { + .name = "bcma_pflash", + .flags = IORESOURCE_MEM, +}; + +struct platform_device bcma_pflash_dev = { + .name = "physmap-flash", + .dev = { + .platform_data = &bcma_pflash_data, + }, + .resource = &bcma_pflash_resource, + .num_resources = 1, +}; + /* The 47162a0 hangs when reading MIPS DMP registers registers */ static inline bool bcma_core_mips_bcm47162a0_quirk(struct bcma_device *dev) { @@ -211,6 +233,7 @@ static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore) { struct bcma_bus *bus = mcore->core->bus; struct bcma_drv_cc *cc = &bus->drv_cc; + struct bcma_pflash *pflash = &cc->pflash; switch (cc->capabilities & BCMA_CC_CAP_FLASHT) { case BCMA_CC_FLASHT_STSER: @@ -220,15 +243,20 @@ static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore) break; case BCMA_CC_FLASHT_PARA: bcma_debug(bus, "Found parallel flash\n"); - cc->pflash.present = true; - cc->pflash.window = BCMA_SOC_FLASH2; - cc->pflash.window_size = BCMA_SOC_FLASH2_SZ; + pflash->present = true; + pflash->window = BCMA_SOC_FLASH2; + pflash->window_size = BCMA_SOC_FLASH2_SZ; if ((bcma_read32(cc->core, BCMA_CC_FLASH_CFG) & BCMA_CC_FLASH_CFG_DS) == 0) - cc->pflash.buswidth = 1; + pflash->buswidth = 1; else - cc->pflash.buswidth = 2; + pflash->buswidth = 2; + + bcma_pflash_data.width = pflash->buswidth; + bcma_pflash_resource.start = pflash->window; + bcma_pflash_resource.end = pflash->window + pflash->window_size; + break; default: bcma_err(bus, "Flash type not supported\n"); diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c index ff8528925322..6eda7ef0682f 100644 --- a/drivers/bcma/main.c +++ b/drivers/bcma/main.c @@ -149,6 +149,14 @@ static int bcma_register_cores(struct bcma_bus *bus) dev_id++; } +#ifdef CONFIG_BCMA_DRIVER_MIPS + if (bus->drv_cc.pflash.present) { + err = platform_device_register(&bcma_pflash_dev); + if (err) + bcma_err(bus, "Error registering parallel flash\n"); + } +#endif + #ifdef CONFIG_BCMA_SFLASH if (bus->drv_cc.sflash.present) { err = platform_device_register(&bcma_sflash_dev); diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig index 7647ed6b73d7..17507dc8a1e7 100644 --- a/drivers/net/wireless/ath/ath9k/Kconfig +++ b/drivers/net/wireless/ath/ath9k/Kconfig @@ -58,6 +58,7 @@ config ATH9K_DEBUGFS bool "Atheros ath9k debugging" depends on ATH9K select MAC80211_DEBUGFS + select RELAY ---help--- Say Y, if you need access to ath9k's statistics for interrupts, rate control, etc. diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index b2d6c18d1678..97c90b21e1cb 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -319,6 +319,8 @@ struct ath_rx { struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX]; struct sk_buff *frag; + + u32 ampdu_ref; }; int ath_startrecv(struct ath_softc *sc); @@ -754,6 +756,7 @@ struct ath_softc { /* relay(fs) channel for spectral scan */ struct rchan *rfs_chan_spec_scan; enum spectral_mode spectral_mode; + struct ath_spec_scan spec_config; int scanning; #ifdef CONFIG_PM_SLEEP @@ -863,31 +866,31 @@ static inline u8 spectral_bitmap_weight(u8 *bins) * interface. */ enum ath_fft_sample_type { - ATH_FFT_SAMPLE_HT20 = 0, + ATH_FFT_SAMPLE_HT20 = 1, }; struct fft_sample_tlv { u8 type; /* see ath_fft_sample */ - u16 length; + __be16 length; /* type dependent data follows */ } __packed; struct fft_sample_ht20 { struct fft_sample_tlv tlv; - u8 __alignment; + u8 max_exp; - u16 freq; + __be16 freq; s8 rssi; s8 noise; - u16 max_magnitude; + __be16 max_magnitude; u8 max_index; u8 bitmap_weight; - u64 tsf; + __be64 tsf; - u16 data[SPECTRAL_HT20_NUM_BINS]; + u8 data[SPECTRAL_HT20_NUM_BINS]; } __packed; void ath9k_tasklet(unsigned long data); diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 6c5d313ebcb7..3714b971d18e 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -895,6 +895,7 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf, RXS_ERR("RX-Bytes-All", rx_bytes_all); RXS_ERR("RX-Beacons", rx_beacons); RXS_ERR("RX-Frags", rx_frags); + RXS_ERR("RX-Spectral", rx_spectral); if (len > size) len = size; @@ -1035,6 +1036,182 @@ static const struct file_operations fops_spec_scan_ctl = { .llseek = default_llseek, }; +static ssize_t read_file_spectral_short_repeat(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_softc *sc = file->private_data; + char buf[32]; + unsigned int len; + + len = sprintf(buf, "%d\n", sc->spec_config.short_repeat); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t write_file_spectral_short_repeat(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_softc *sc = file->private_data; + unsigned long val; + char buf[32]; + ssize_t len; + + len = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, len)) + return -EFAULT; + + buf[len] = '\0'; + if (kstrtoul(buf, 0, &val)) + return -EINVAL; + + if (val < 0 || val > 1) + return -EINVAL; + + sc->spec_config.short_repeat = val; + return count; +} + +static const struct file_operations fops_spectral_short_repeat = { + .read = read_file_spectral_short_repeat, + .write = write_file_spectral_short_repeat, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static ssize_t read_file_spectral_count(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_softc *sc = file->private_data; + char buf[32]; + unsigned int len; + + len = sprintf(buf, "%d\n", sc->spec_config.count); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t write_file_spectral_count(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_softc *sc = file->private_data; + unsigned long val; + char buf[32]; + ssize_t len; + + len = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, len)) + return -EFAULT; + + buf[len] = '\0'; + if (kstrtoul(buf, 0, &val)) + return -EINVAL; + + if (val < 0 || val > 255) + return -EINVAL; + + sc->spec_config.count = val; + return count; +} + +static const struct file_operations fops_spectral_count = { + .read = read_file_spectral_count, + .write = write_file_spectral_count, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static ssize_t read_file_spectral_period(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_softc *sc = file->private_data; + char buf[32]; + unsigned int len; + + len = sprintf(buf, "%d\n", sc->spec_config.period); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t write_file_spectral_period(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_softc *sc = file->private_data; + unsigned long val; + char buf[32]; + ssize_t len; + + len = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, len)) + return -EFAULT; + + buf[len] = '\0'; + if (kstrtoul(buf, 0, &val)) + return -EINVAL; + + if (val < 0 || val > 255) + return -EINVAL; + + sc->spec_config.period = val; + return count; +} + +static const struct file_operations fops_spectral_period = { + .read = read_file_spectral_period, + .write = write_file_spectral_period, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static ssize_t read_file_spectral_fft_period(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_softc *sc = file->private_data; + char buf[32]; + unsigned int len; + + len = sprintf(buf, "%d\n", sc->spec_config.fft_period); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t write_file_spectral_fft_period(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_softc *sc = file->private_data; + unsigned long val; + char buf[32]; + ssize_t len; + + len = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, len)) + return -EFAULT; + + buf[len] = '\0'; + if (kstrtoul(buf, 0, &val)) + return -EINVAL; + + if (val < 0 || val > 15) + return -EINVAL; + + sc->spec_config.fft_period = val; + return count; +} + +static const struct file_operations fops_spectral_fft_period = { + .read = read_file_spectral_fft_period, + .write = write_file_spectral_fft_period, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + static struct dentry *create_buf_file_handler(const char *filename, struct dentry *parent, umode_t mode, @@ -1059,11 +1236,13 @@ static int remove_buf_file_handler(struct dentry *dentry) void ath_debug_send_fft_sample(struct ath_softc *sc, struct fft_sample_tlv *fft_sample_tlv) { + int length; if (!sc->rfs_chan_spec_scan) return; - relay_write(sc->rfs_chan_spec_scan, fft_sample_tlv, - fft_sample_tlv->length + sizeof(*fft_sample_tlv)); + length = __be16_to_cpu(fft_sample_tlv->length) + + sizeof(*fft_sample_tlv); + relay_write(sc->rfs_chan_spec_scan, fft_sample_tlv, length); } static struct rchan_callbacks rfs_spec_scan_cb = { @@ -1893,6 +2072,16 @@ int ath9k_init_debug(struct ath_hw *ah) debugfs_create_file("spectral_scan_ctl", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_spec_scan_ctl); + debugfs_create_file("spectral_short_repeat", S_IRUSR | S_IWUSR, + sc->debug.debugfs_phy, sc, + &fops_spectral_short_repeat); + debugfs_create_file("spectral_count", S_IRUSR | S_IWUSR, + sc->debug.debugfs_phy, sc, &fops_spectral_count); + debugfs_create_file("spectral_period", S_IRUSR | S_IWUSR, + sc->debug.debugfs_phy, sc, &fops_spectral_period); + debugfs_create_file("spectral_fft_period", S_IRUSR | S_IWUSR, + sc->debug.debugfs_phy, sc, + &fops_spectral_fft_period); #ifdef CONFIG_ATH9K_MAC_DEBUG debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc, diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h index a22c0d780700..410d6d8f1aa7 100644 --- a/drivers/net/wireless/ath/ath9k/debug.h +++ b/drivers/net/wireless/ath/ath9k/debug.h @@ -219,6 +219,7 @@ struct ath_tx_stats { * @rx_too_many_frags_err: Frames dropped due to too-many-frags received. * @rx_beacons: No. of beacons received. * @rx_frags: No. of rx-fragements received. + * @rx_spectral: No of spectral packets received. */ struct ath_rx_stats { u32 rx_pkts_all; @@ -237,6 +238,7 @@ struct ath_rx_stats { u32 rx_too_many_frags_err; u32 rx_beacons; u32 rx_frags; + u32 rx_spectral; }; struct ath_stats { diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 4b1abc7da98c..af932c9444de 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -497,6 +497,13 @@ static void ath9k_init_misc(struct ath_softc *sc) if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) sc->ant_comb.count = ATH_ANT_DIV_COMB_INIT_COUNT; + + sc->spec_config.enabled = 0; + sc->spec_config.short_repeat = true; + sc->spec_config.count = 8; + sc->spec_config.endless = false; + sc->spec_config.period = 0xFF; + sc->spec_config.fft_period = 0xF; } static void ath9k_eeprom_request_cb(const struct firmware *eeprom_blob, @@ -915,7 +922,7 @@ static void ath9k_deinit_softc(struct ath_softc *sc) ath9k_eeprom_release(sc); - if (sc->rfs_chan_spec_scan) { + if (config_enabled(CONFIG_ATH9K_DEBUGFS) && sc->rfs_chan_spec_scan) { relay_close(sc->rfs_chan_spec_scan); sc->rfs_chan_spec_scan = NULL; } diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c index b42be910a83d..811007ec07a7 100644 --- a/drivers/net/wireless/ath/ath9k/mac.c +++ b/drivers/net/wireless/ath/ath9k/mac.c @@ -605,13 +605,13 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds, * reported, then decryption and MIC errors are irrelevant, * the frame is going to be dropped either way */ - if (ads.ds_rxstatus8 & AR_CRCErr) - rs->rs_status |= ATH9K_RXERR_CRC; - else if (ads.ds_rxstatus8 & AR_PHYErr) { + if (ads.ds_rxstatus8 & AR_PHYErr) { rs->rs_status |= ATH9K_RXERR_PHY; phyerr = MS(ads.ds_rxstatus8, AR_PHYErrCode); rs->rs_phyerr = phyerr; - } else if (ads.ds_rxstatus8 & AR_DecryptCRCErr) + } else if (ads.ds_rxstatus8 & AR_CRCErr) + rs->rs_status |= ATH9K_RXERR_CRC; + else if (ads.ds_rxstatus8 & AR_DecryptCRCErr) rs->rs_status |= ATH9K_RXERR_DECRYPT; else if (ads.ds_rxstatus8 & AR_MichaelErr) rs->rs_status |= ATH9K_RXERR_MIC; diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 4b72b660f180..5432f1247e2e 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1099,45 +1099,34 @@ int ath9k_spectral_scan_config(struct ieee80211_hw *hw, struct ath_softc *sc = hw->priv; struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); - struct ath_spec_scan param; if (!ath9k_hw_ops(ah)->spectral_scan_trigger) { ath_err(common, "spectrum analyzer not implemented on this hardware\n"); return -1; } - /* NOTE: this will generate a few samples ... - * - * TODO: review default parameters, and/or define an interface to set - * them. - */ - param.enabled = 1; - param.short_repeat = true; - param.count = 8; - param.endless = false; - param.period = 0xFF; - param.fft_period = 0xF; - switch (spectral_mode) { case SPECTRAL_DISABLED: - param.enabled = 0; + sc->spec_config.enabled = 0; break; case SPECTRAL_BACKGROUND: /* send endless samples. * TODO: is this really useful for "background"? */ - param.endless = 1; + sc->spec_config.endless = 1; + sc->spec_config.enabled = 1; break; case SPECTRAL_CHANSCAN: - break; case SPECTRAL_MANUAL: + sc->spec_config.endless = 0; + sc->spec_config.enabled = 1; break; default: return -1; } ath9k_ps_wakeup(sc); - ath9k_hw_ops(ah)->spectral_scan_config(ah, ¶m); + ath9k_hw_ops(ah)->spectral_scan_config(ah, &sc->spec_config); ath9k_ps_restore(sc); sc->spectral_mode = spectral_mode; diff --git a/drivers/net/wireless/ath/ath9k/mci.c b/drivers/net/wireless/ath/ath9k/mci.c index d2074334ec9b..815bee21c19a 100644 --- a/drivers/net/wireless/ath/ath9k/mci.c +++ b/drivers/net/wireless/ath/ath9k/mci.c @@ -474,8 +474,6 @@ void ath_mci_cleanup(struct ath_softc *sc) { struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ath_hw *ah = sc->sc_ah; - struct ath_mci_coex *mci = &sc->mci_coex; - struct ath_mci_buf *buf = &mci->sched_buf; ar9003_mci_cleanup(ah); diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index d7c129bb571b..2d0fd17a1917 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -1016,18 +1016,20 @@ static void ath9k_rx_skb_postprocess(struct ath_common *common, rxs->flag &= ~RX_FLAG_DECRYPTED; } +#ifdef CONFIG_ATH9K_DEBUGFS static s8 fix_rssi_inv_only(u8 rssi_val) { if (rssi_val == 128) rssi_val = 0; return (s8) rssi_val; } +#endif - -static void ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr, - struct ath_rx_status *rs, u64 tsf) +/* returns 1 if this was a spectral frame, even if not handled. */ +static int ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr, + struct ath_rx_status *rs, u64 tsf) { -#ifdef CONFIG_ATH_DEBUG +#ifdef CONFIG_ATH9K_DEBUGFS struct ath_hw *ah = sc->sc_ah; u8 bins[SPECTRAL_HT20_NUM_BINS]; u8 *vdata = (u8 *)hdr; @@ -1035,7 +1037,8 @@ static void ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr, struct ath_radar_info *radar_info; struct ath_ht20_mag_info *mag_info; int len = rs->rs_datalen; - int i, dc_pos; + int dc_pos; + u16 length, max_magnitude; /* AR9280 and before report via ATH9K_PHYERR_RADAR, AR93xx and newer * via ATH9K_PHYERR_SPECTRAL. Haven't seen ATH9K_PHYERR_FALSE_RADAR_EXT @@ -1044,7 +1047,14 @@ static void ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr, if (rs->rs_phyerr != ATH9K_PHYERR_RADAR && rs->rs_phyerr != ATH9K_PHYERR_FALSE_RADAR_EXT && rs->rs_phyerr != ATH9K_PHYERR_SPECTRAL) - return; + return 0; + + /* check if spectral scan bit is set. This does not have to be checked + * if received through a SPECTRAL phy error, but shouldn't hurt. + */ + radar_info = ((struct ath_radar_info *)&vdata[len]) - 1; + if (!(radar_info->pulse_bw_info & SPECTRAL_SCAN_BITMASK)) + return 0; /* Variation in the data length is possible and will be fixed later. * Note that we only support HT20 for now. @@ -1053,19 +1063,13 @@ static void ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr, */ if ((len > SPECTRAL_HT20_TOTAL_DATA_LEN + 2) || (len < SPECTRAL_HT20_TOTAL_DATA_LEN - 1)) - return; - - /* check if spectral scan bit is set. This does not have to be checked - * if received through a SPECTRAL phy error, but shouldn't hurt. - */ - radar_info = ((struct ath_radar_info *)&vdata[len]) - 1; - if (!(radar_info->pulse_bw_info & SPECTRAL_SCAN_BITMASK)) - return; + return 1; fft_sample.tlv.type = ATH_FFT_SAMPLE_HT20; - fft_sample.tlv.length = sizeof(fft_sample) - sizeof(fft_sample.tlv); + length = sizeof(fft_sample) - sizeof(fft_sample.tlv); + fft_sample.tlv.length = __cpu_to_be16(length); - fft_sample.freq = ah->curchan->chan->center_freq; + fft_sample.freq = __cpu_to_be16(ah->curchan->chan->center_freq); fft_sample.rssi = fix_rssi_inv_only(rs->rs_rssi_ctl0); fft_sample.noise = ah->noise; @@ -1093,7 +1097,7 @@ static void ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr, memcpy(&bins[32], &vdata[33], SPECTRAL_HT20_NUM_BINS - 32); break; default: - return; + return 1; } /* DC value (value in the middle) is the blind spot of the spectral @@ -1105,19 +1109,41 @@ static void ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr, /* mag data is at the end of the frame, in front of radar_info */ mag_info = ((struct ath_ht20_mag_info *)radar_info) - 1; - /* Apply exponent and grab further auxiliary information. */ - for (i = 0; i < SPECTRAL_HT20_NUM_BINS; i++) - fft_sample.data[i] = bins[i] << mag_info->max_exp; + /* copy raw bins without scaling them */ + memcpy(fft_sample.data, bins, SPECTRAL_HT20_NUM_BINS); + fft_sample.max_exp = mag_info->max_exp & 0xf; - fft_sample.max_magnitude = spectral_max_magnitude(mag_info->all_bins); + max_magnitude = spectral_max_magnitude(mag_info->all_bins); + fft_sample.max_magnitude = __cpu_to_be16(max_magnitude); fft_sample.max_index = spectral_max_index(mag_info->all_bins); fft_sample.bitmap_weight = spectral_bitmap_weight(mag_info->all_bins); - fft_sample.tsf = tsf; + fft_sample.tsf = __cpu_to_be64(tsf); ath_debug_send_fft_sample(sc, &fft_sample.tlv); + return 1; +#else + return 0; #endif } +static void ath9k_apply_ampdu_details(struct ath_softc *sc, + struct ath_rx_status *rs, struct ieee80211_rx_status *rxs) +{ + if (rs->rs_isaggr) { + rxs->flag |= RX_FLAG_AMPDU_DETAILS | RX_FLAG_AMPDU_LAST_KNOWN; + + rxs->ampdu_reference = sc->rx.ampdu_ref; + + if (!rs->rs_moreaggr) { + rxs->flag |= RX_FLAG_AMPDU_IS_LAST; + sc->rx.ampdu_ref++; + } + + if (rs->rs_flags & ATH9K_RX_DELIM_CRC_PRE) + rxs->flag |= RX_FLAG_AMPDU_DELIM_CRC_ERROR; + } +} + int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) { struct ath_buf *bf; @@ -1202,8 +1228,12 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) unlikely(tsf_lower - rs.rs_tstamp > 0x10000000)) rxs->mactime += 0x100000000ULL; - if ((rs.rs_status & ATH9K_RXERR_PHY)) - ath_process_fft(sc, hdr, &rs, rxs->mactime); + if (rs.rs_status & ATH9K_RXERR_PHY) { + if (ath_process_fft(sc, hdr, &rs, rxs->mactime)) { + RX_STAT_INC(rx_spectral); + goto requeue_drop_frag; + } + } retval = ath9k_rx_skb_preprocess(common, hw, hdr, &rs, rxs, &decrypt_error); @@ -1320,6 +1350,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx == 3) ath_ant_comb_scan(sc, &rs); + ath9k_apply_ampdu_details(sc, &rs, rxs); + ieee80211_rx(hw, skb); requeue_drop_frag: diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index 116f4e807ae1..002851fceb2f 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -204,7 +204,6 @@ static int wil_cfg80211_scan(struct wiphy *wiphy, break; default: return -EOPNOTSUPP; - } /* FW don't support scan after connection attempt */ @@ -228,8 +227,8 @@ static int wil_cfg80211_scan(struct wiphy *wiphy, } /* 0-based channel indexes */ cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1; - wil_dbg(wil, "Scan for ch %d : %d MHz\n", ch, - request->channels[i]->center_freq); + wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch, + request->channels[i]->center_freq); } return wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) + @@ -425,8 +424,8 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy, return -EINVAL; } - wil_dbg(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, - channel->center_freq, info->privacy ? "secure" : "open"); + wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, + channel->center_freq, info->privacy ? "secure" : "open"); print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET, info->ssid, info->ssid_len); diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c index 38049da71049..dc97e7b2609c 100644 --- a/drivers/net/wireless/ath/wil6210/interrupt.c +++ b/drivers/net/wireless/ath/wil6210/interrupt.c @@ -38,7 +38,9 @@ #define WIL6210_IMC_RX BIT_DMA_EP_RX_ICR_RX_DONE #define WIL6210_IMC_TX (BIT_DMA_EP_TX_ICR_TX_DONE | \ BIT_DMA_EP_TX_ICR_TX_DONE_N(0)) -#define WIL6210_IMC_MISC (ISR_MISC_FW_READY | ISR_MISC_MBOX_EVT) +#define WIL6210_IMC_MISC (ISR_MISC_FW_READY | \ + ISR_MISC_MBOX_EVT | \ + ISR_MISC_FW_ERROR) #define WIL6210_IRQ_PSEUDO_MASK (u32)(~(BIT_DMA_PSEUDO_CAUSE_RX | \ BIT_DMA_PSEUDO_CAUSE_TX | \ @@ -50,7 +52,6 @@ static inline void wil_icr_clear(u32 x, void __iomem *addr) { - } #else /* defined(CONFIG_WIL6210_ISR_COR) */ /* configure to Write-1-to-Clear mode */ @@ -94,7 +95,7 @@ static void wil6210_mask_irq_misc(struct wil6210_priv *wil) static void wil6210_mask_irq_pseudo(struct wil6210_priv *wil) { - wil_dbg_IRQ(wil, "%s()\n", __func__); + wil_dbg_irq(wil, "%s()\n", __func__); iowrite32(WIL6210_IRQ_DISABLE, wil->csr + HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW)); @@ -125,7 +126,7 @@ static void wil6210_unmask_irq_misc(struct wil6210_priv *wil) static void wil6210_unmask_irq_pseudo(struct wil6210_priv *wil) { - wil_dbg_IRQ(wil, "%s()\n", __func__); + wil_dbg_irq(wil, "%s()\n", __func__); set_bit(wil_status_irqen, &wil->status); @@ -135,7 +136,7 @@ static void wil6210_unmask_irq_pseudo(struct wil6210_priv *wil) void wil6210_disable_irq(struct wil6210_priv *wil) { - wil_dbg_IRQ(wil, "%s()\n", __func__); + wil_dbg_irq(wil, "%s()\n", __func__); wil6210_mask_irq_tx(wil); wil6210_mask_irq_rx(wil); @@ -145,7 +146,7 @@ void wil6210_disable_irq(struct wil6210_priv *wil) void wil6210_enable_irq(struct wil6210_priv *wil) { - wil_dbg_IRQ(wil, "%s()\n", __func__); + wil_dbg_irq(wil, "%s()\n", __func__); iowrite32(WIL_ICR_ICC_VALUE, wil->csr + HOSTADDR(RGF_DMA_EP_RX_ICR) + offsetof(struct RGF_ICR, ICC)); @@ -167,7 +168,7 @@ static irqreturn_t wil6210_irq_rx(int irq, void *cookie) HOSTADDR(RGF_DMA_EP_RX_ICR) + offsetof(struct RGF_ICR, ICR)); - wil_dbg_IRQ(wil, "ISR RX 0x%08x\n", isr); + wil_dbg_irq(wil, "ISR RX 0x%08x\n", isr); if (!isr) { wil_err(wil, "spurious IRQ: RX\n"); @@ -177,7 +178,7 @@ static irqreturn_t wil6210_irq_rx(int irq, void *cookie) wil6210_mask_irq_rx(wil); if (isr & BIT_DMA_EP_RX_ICR_RX_DONE) { - wil_dbg_IRQ(wil, "RX done\n"); + wil_dbg_irq(wil, "RX done\n"); isr &= ~BIT_DMA_EP_RX_ICR_RX_DONE; wil_rx_handle(wil); } @@ -197,7 +198,7 @@ static irqreturn_t wil6210_irq_tx(int irq, void *cookie) HOSTADDR(RGF_DMA_EP_TX_ICR) + offsetof(struct RGF_ICR, ICR)); - wil_dbg_IRQ(wil, "ISR TX 0x%08x\n", isr); + wil_dbg_irq(wil, "ISR TX 0x%08x\n", isr); if (!isr) { wil_err(wil, "spurious IRQ: TX\n"); @@ -208,13 +209,13 @@ static irqreturn_t wil6210_irq_tx(int irq, void *cookie) if (isr & BIT_DMA_EP_TX_ICR_TX_DONE) { uint i; - wil_dbg_IRQ(wil, "TX done\n"); + wil_dbg_irq(wil, "TX done\n"); isr &= ~BIT_DMA_EP_TX_ICR_TX_DONE; for (i = 0; i < 24; i++) { u32 mask = BIT_DMA_EP_TX_ICR_TX_DONE_N(i); if (isr & mask) { isr &= ~mask; - wil_dbg_IRQ(wil, "TX done(%i)\n", i); + wil_dbg_irq(wil, "TX done(%i)\n", i); wil_tx_complete(wil, i); } } @@ -228,6 +229,17 @@ static irqreturn_t wil6210_irq_tx(int irq, void *cookie) return IRQ_HANDLED; } +static void wil_notify_fw_error(struct wil6210_priv *wil) +{ + struct device *dev = &wil_to_ndev(wil)->dev; + char *envp[3] = { + [0] = "SOURCE=wil6210", + [1] = "EVENT=FW_ERROR", + [2] = NULL, + }; + kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp); +} + static irqreturn_t wil6210_irq_misc(int irq, void *cookie) { struct wil6210_priv *wil = cookie; @@ -235,7 +247,7 @@ static irqreturn_t wil6210_irq_misc(int irq, void *cookie) HOSTADDR(RGF_DMA_EP_MISC_ICR) + offsetof(struct RGF_ICR, ICR)); - wil_dbg_IRQ(wil, "ISR MISC 0x%08x\n", isr); + wil_dbg_irq(wil, "ISR MISC 0x%08x\n", isr); if (!isr) { wil_err(wil, "spurious IRQ: MISC\n"); @@ -244,8 +256,15 @@ static irqreturn_t wil6210_irq_misc(int irq, void *cookie) wil6210_mask_irq_misc(wil); + if (isr & ISR_MISC_FW_ERROR) { + wil_dbg_irq(wil, "IRQ: Firmware error\n"); + clear_bit(wil_status_fwready, &wil->status); + wil_notify_fw_error(wil); + isr &= ~ISR_MISC_FW_ERROR; + } + if (isr & ISR_MISC_FW_READY) { - wil_dbg_IRQ(wil, "IRQ: FW ready\n"); + wil_dbg_irq(wil, "IRQ: FW ready\n"); /** * Actual FW ready indicated by the * WMI_FW_READY_EVENTID @@ -268,10 +287,10 @@ static irqreturn_t wil6210_irq_misc_thread(int irq, void *cookie) struct wil6210_priv *wil = cookie; u32 isr = wil->isr_misc; - wil_dbg_IRQ(wil, "Thread ISR MISC 0x%08x\n", isr); + wil_dbg_irq(wil, "Thread ISR MISC 0x%08x\n", isr); if (isr & ISR_MISC_MBOX_EVT) { - wil_dbg_IRQ(wil, "MBOX event\n"); + wil_dbg_irq(wil, "MBOX event\n"); wmi_recv_cmd(wil); isr &= ~ISR_MISC_MBOX_EVT; } @@ -293,7 +312,7 @@ static irqreturn_t wil6210_thread_irq(int irq, void *cookie) { struct wil6210_priv *wil = cookie; - wil_dbg_IRQ(wil, "Thread IRQ\n"); + wil_dbg_irq(wil, "Thread IRQ\n"); /* Discover real IRQ cause */ if (wil->isr_misc) wil6210_irq_misc_thread(irq, cookie); @@ -370,6 +389,8 @@ static irqreturn_t wil6210_hardirq(int irq, void *cookie) if (wil6210_debug_irq_mask(wil, pseudo_cause)) return IRQ_NONE; + wil_dbg_irq(wil, "Pseudo IRQ 0x%08x\n", pseudo_cause); + wil6210_mask_irq_pseudo(wil); /* Discover real IRQ cause @@ -401,8 +422,6 @@ static irqreturn_t wil6210_hardirq(int irq, void *cookie) if (rc != IRQ_WAKE_THREAD) wil6210_unmask_irq_pseudo(wil); - wil_dbg_IRQ(wil, "Hard IRQ 0x%08x\n", pseudo_cause); - return rc; } diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 95fcd361322b..761c389586d4 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -64,7 +64,7 @@ static void _wil6210_disconnect(struct wil6210_priv *wil, void *bssid) struct net_device *ndev = wil_to_ndev(wil); struct wireless_dev *wdev = wil->wdev; - wil_dbg(wil, "%s()\n", __func__); + wil_dbg_misc(wil, "%s()\n", __func__); wil_link_off(wil); clear_bit(wil_status_fwconnected, &wil->status); @@ -80,11 +80,13 @@ static void _wil6210_disconnect(struct wil6210_priv *wil, void *bssid) GFP_KERNEL); break; default: - ; + break; } for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) wil_vring_fini_tx(wil, i); + + clear_bit(wil_status_dontscan, &wil->status); } static void wil_disconnect_worker(struct work_struct *work) @@ -99,7 +101,7 @@ static void wil_connect_timer_fn(ulong x) { struct wil6210_priv *wil = (void *)x; - wil_dbg(wil, "Connect timeout\n"); + wil_dbg_misc(wil, "Connect timeout\n"); /* reschedule to thread context - disconnect won't * run from atomic context @@ -107,9 +109,18 @@ static void wil_connect_timer_fn(ulong x) schedule_work(&wil->disconnect_worker); } +static void wil_cache_mbox_regs(struct wil6210_priv *wil) +{ + /* make shadow copy of registers that should not change on run time */ + wil_memcpy_fromio_32(&wil->mbox_ctl, wil->csr + HOST_MBOX, + sizeof(struct wil6210_mbox_ctl)); + wil_mbox_ring_le2cpus(&wil->mbox_ctl.rx); + wil_mbox_ring_le2cpus(&wil->mbox_ctl.tx); +} + int wil_priv_init(struct wil6210_priv *wil) { - wil_dbg(wil, "%s()\n", __func__); + wil_dbg_misc(wil, "%s()\n", __func__); mutex_init(&wil->mutex); mutex_init(&wil->wmi_mutex); @@ -136,11 +147,7 @@ int wil_priv_init(struct wil6210_priv *wil) return -EAGAIN; } - /* make shadow copy of registers that should not change on run time */ - wil_memcpy_fromio_32(&wil->mbox_ctl, wil->csr + HOST_MBOX, - sizeof(struct wil6210_mbox_ctl)); - wil_mbox_ring_le2cpus(&wil->mbox_ctl.rx); - wil_mbox_ring_le2cpus(&wil->mbox_ctl.tx); + wil_cache_mbox_regs(wil); return 0; } @@ -162,7 +169,7 @@ void wil_priv_deinit(struct wil6210_priv *wil) static void wil_target_reset(struct wil6210_priv *wil) { - wil_dbg(wil, "Resetting...\n"); + wil_dbg_misc(wil, "Resetting...\n"); /* register write */ #define W(a, v) iowrite32(v, wil->csr + HOSTADDR(a)) @@ -202,7 +209,7 @@ static void wil_target_reset(struct wil6210_priv *wil) msleep(2000); - wil_dbg(wil, "Reset completed\n"); + wil_dbg_misc(wil, "Reset completed\n"); #undef W #undef S @@ -225,8 +232,8 @@ static int wil_wait_for_fw_ready(struct wil6210_priv *wil) wil_err(wil, "Firmware not ready\n"); return -ETIME; } else { - wil_dbg(wil, "FW ready after %d ms\n", - jiffies_to_msecs(to-left)); + wil_dbg_misc(wil, "FW ready after %d ms\n", + jiffies_to_msecs(to-left)); } return 0; } @@ -243,13 +250,13 @@ int wil_reset(struct wil6210_priv *wil) cancel_work_sync(&wil->disconnect_worker); wil6210_disconnect(wil, NULL); + wil6210_disable_irq(wil); + wil->status = 0; + wmi_event_flush(wil); - flush_workqueue(wil->wmi_wq); flush_workqueue(wil->wmi_wq_conn); - - wil6210_disable_irq(wil); - wil->status = 0; + flush_workqueue(wil->wmi_wq); /* TODO: put MAC in reset */ wil_target_reset(wil); @@ -258,11 +265,7 @@ int wil_reset(struct wil6210_priv *wil) wil->pending_connect_cid = -1; INIT_COMPLETION(wil->wmi_ready); - /* make shadow copy of registers that should not change on run time */ - wil_memcpy_fromio_32(&wil->mbox_ctl, wil->csr + HOST_MBOX, - sizeof(struct wil6210_mbox_ctl)); - wil_mbox_ring_le2cpus(&wil->mbox_ctl.rx); - wil_mbox_ring_le2cpus(&wil->mbox_ctl.tx); + wil_cache_mbox_regs(wil); /* TODO: release MAC reset */ wil6210_enable_irq(wil); @@ -278,7 +281,7 @@ void wil_link_on(struct wil6210_priv *wil) { struct net_device *ndev = wil_to_ndev(wil); - wil_dbg(wil, "%s()\n", __func__); + wil_dbg_misc(wil, "%s()\n", __func__); netif_carrier_on(ndev); netif_tx_wake_all_queues(ndev); @@ -288,7 +291,7 @@ void wil_link_off(struct wil6210_priv *wil) { struct net_device *ndev = wil_to_ndev(wil); - wil_dbg(wil, "%s()\n", __func__); + wil_dbg_misc(wil, "%s()\n", __func__); netif_tx_stop_all_queues(ndev); netif_carrier_off(ndev); @@ -311,27 +314,27 @@ static int __wil_up(struct wil6210_priv *wil) wmi_nettype = wil_iftype_nl2wmi(NL80211_IFTYPE_ADHOC); switch (wdev->iftype) { case NL80211_IFTYPE_STATION: - wil_dbg(wil, "type: STATION\n"); + wil_dbg_misc(wil, "type: STATION\n"); bi = 0; ndev->type = ARPHRD_ETHER; break; case NL80211_IFTYPE_AP: - wil_dbg(wil, "type: AP\n"); + wil_dbg_misc(wil, "type: AP\n"); bi = 100; ndev->type = ARPHRD_ETHER; break; case NL80211_IFTYPE_P2P_CLIENT: - wil_dbg(wil, "type: P2P_CLIENT\n"); + wil_dbg_misc(wil, "type: P2P_CLIENT\n"); bi = 0; ndev->type = ARPHRD_ETHER; break; case NL80211_IFTYPE_P2P_GO: - wil_dbg(wil, "type: P2P_GO\n"); + wil_dbg_misc(wil, "type: P2P_GO\n"); bi = 100; ndev->type = ARPHRD_ETHER; break; case NL80211_IFTYPE_MONITOR: - wil_dbg(wil, "type: Monitor\n"); + wil_dbg_misc(wil, "type: Monitor\n"); bi = 0; ndev->type = ARPHRD_IEEE80211_RADIOTAP; /* ARPHRD_IEEE80211 or ARPHRD_IEEE80211_RADIOTAP ? */ @@ -354,7 +357,7 @@ static int __wil_up(struct wil6210_priv *wil) wmi_set_channel(wil, channel->hw_value); break; default: - ; + break; } /* MAC address - pre-requisite for other commands */ diff --git a/drivers/net/wireless/ath/wil6210/netdev.c b/drivers/net/wireless/ath/wil6210/netdev.c index 3068b5cb53a7..8ce2e33dce20 100644 --- a/drivers/net/wireless/ath/wil6210/netdev.c +++ b/drivers/net/wireless/ath/wil6210/netdev.c @@ -35,37 +35,12 @@ static int wil_stop(struct net_device *ndev) return wil_down(wil); } -/* - * AC to queue mapping - * - * AC_VO -> queue 3 - * AC_VI -> queue 2 - * AC_BE -> queue 1 - * AC_BK -> queue 0 - */ -static u16 wil_select_queue(struct net_device *ndev, struct sk_buff *skb) -{ - static const u16 wil_1d_to_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 }; - struct wil6210_priv *wil = ndev_to_wil(ndev); - u16 rc; - - skb->priority = cfg80211_classify8021d(skb); - - rc = wil_1d_to_queue[skb->priority]; - - wil_dbg_TXRX(wil, "%s() %d -> %d\n", __func__, (int)skb->priority, - (int)rc); - - return rc; -} - static const struct net_device_ops wil_netdev_ops = { .ndo_open = wil_open, .ndo_stop = wil_stop, .ndo_start_xmit = wil_start_xmit, - .ndo_select_queue = wil_select_queue, - .ndo_set_mac_address = eth_mac_addr, - .ndo_validate_addr = eth_validate_addr, + .ndo_set_mac_address = eth_mac_addr, + .ndo_validate_addr = eth_validate_addr, }; void *wil_if_alloc(struct device *dev, void __iomem *csr) @@ -97,7 +72,7 @@ void *wil_if_alloc(struct device *dev, void __iomem *csr) ch = wdev->wiphy->bands[IEEE80211_BAND_60GHZ]->channels; cfg80211_chandef_create(&wdev->preset_chandef, ch, NL80211_CHAN_NO_HT); - ndev = alloc_netdev_mqs(0, "wlan%d", ether_setup, WIL6210_TX_QUEUES, 1); + ndev = alloc_netdev(0, "wlan%d", ether_setup); if (!ndev) { dev_err(dev, "alloc_netdev_mqs failed\n"); rc = -ENOMEM; diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index 0fc83edd6bad..81c35c6e3832 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -53,7 +53,7 @@ static int wil_if_pcie_enable(struct wil6210_priv *wil) } wil->n_msi = use_msi; if (wil->n_msi) { - wil_dbg(wil, "Setup %d MSI interrupts\n", use_msi); + wil_dbg_misc(wil, "Setup %d MSI interrupts\n", use_msi); rc = pci_enable_msi_block(pdev, wil->n_msi); if (rc && (wil->n_msi == 3)) { wil_err(wil, "3 MSI mode failed, try 1 MSI\n"); @@ -65,7 +65,7 @@ static int wil_if_pcie_enable(struct wil6210_priv *wil) wil->n_msi = 0; } } else { - wil_dbg(wil, "MSI interrupts disabled, use INTx\n"); + wil_dbg_misc(wil, "MSI interrupts disabled, use INTx\n"); } rc = wil6210_init_irq(wil, pdev->irq); diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index f29c294413cf..64b971fdc3cc 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -100,8 +100,8 @@ static int wil_vring_alloc(struct wil6210_priv *wil, struct vring *vring) d->dma.status = TX_DMA_STATUS_DU; } - wil_dbg(wil, "vring[%d] 0x%p:0x%016llx 0x%p\n", vring->size, - vring->va, (unsigned long long)vring->pa, vring->ctx); + wil_dbg_misc(wil, "vring[%d] 0x%p:0x%016llx 0x%p\n", vring->size, + vring->va, (unsigned long long)vring->pa, vring->ctx); return 0; } @@ -353,8 +353,8 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil, if (ndev->type == ARPHRD_IEEE80211_RADIOTAP) wil_rx_add_radiotap_header(wil, skb, d); - wil_dbg_TXRX(wil, "Rx[%3d] : %d bytes\n", vring->swhead, d->dma.length); - wil_hex_dump_TXRX("Rx ", DUMP_PREFIX_NONE, 32, 4, + wil_dbg_txrx(wil, "Rx[%3d] : %d bytes\n", vring->swhead, d->dma.length); + wil_hex_dump_txrx("Rx ", DUMP_PREFIX_NONE, 32, 4, (const void *)d, sizeof(*d), false); wil_vring_advance_head(vring, 1); @@ -369,7 +369,7 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil, */ ftype = wil_rxdesc_ftype(d) << 2; if (ftype != IEEE80211_FTYPE_DATA) { - wil_dbg_TXRX(wil, "Non-data frame ftype 0x%08x\n", ftype); + wil_dbg_txrx(wil, "Non-data frame ftype 0x%08x\n", ftype); /* TODO: process it */ kfree_skb(skb); return NULL; @@ -430,6 +430,8 @@ static void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev) int rc; unsigned int len = skb->len; + skb_orphan(skb); + if (in_interrupt()) rc = netif_rx(skb); else @@ -459,13 +461,11 @@ void wil_rx_handle(struct wil6210_priv *wil) wil_err(wil, "Rx IRQ while Rx not yet initialized\n"); return; } - wil_dbg_TXRX(wil, "%s()\n", __func__); + wil_dbg_txrx(wil, "%s()\n", __func__); while (NULL != (skb = wil_vring_reap_rx(wil, v))) { - wil_hex_dump_TXRX("Rx ", DUMP_PREFIX_OFFSET, 16, 1, + wil_hex_dump_txrx("Rx ", DUMP_PREFIX_OFFSET, 16, 1, skb->data, skb_headlen(skb), false); - skb_orphan(skb); - if (wil->wdev->iftype == NL80211_IFTYPE_MONITOR) { skb->dev = ndev; skb_reset_mac_header(skb); @@ -484,53 +484,18 @@ void wil_rx_handle(struct wil6210_priv *wil) int wil_rx_init(struct wil6210_priv *wil) { - struct net_device *ndev = wil_to_ndev(wil); - struct wireless_dev *wdev = wil->wdev; struct vring *vring = &wil->vring_rx; int rc; - struct wmi_cfg_rx_chain_cmd cmd = { - .action = WMI_RX_CHAIN_ADD, - .rx_sw_ring = { - .max_mpdu_size = cpu_to_le16(RX_BUF_LEN), - }, - .mid = 0, /* TODO - what is it? */ - .decap_trans_type = WMI_DECAP_TYPE_802_3, - }; - struct { - struct wil6210_mbox_hdr_wmi wmi; - struct wmi_cfg_rx_chain_done_event evt; - } __packed evt; vring->size = WIL6210_RX_RING_SIZE; rc = wil_vring_alloc(wil, vring); if (rc) return rc; - cmd.rx_sw_ring.ring_mem_base = cpu_to_le64(vring->pa); - cmd.rx_sw_ring.ring_size = cpu_to_le16(vring->size); - if (wdev->iftype == NL80211_IFTYPE_MONITOR) { - struct ieee80211_channel *ch = wdev->preset_chandef.chan; - - cmd.sniffer_cfg.mode = cpu_to_le32(WMI_SNIFFER_ON); - if (ch) - cmd.sniffer_cfg.channel = ch->hw_value - 1; - cmd.sniffer_cfg.phy_info_mode = - cpu_to_le32(ndev->type == ARPHRD_IEEE80211_RADIOTAP); - cmd.sniffer_cfg.phy_support = - cpu_to_le32((wil->monitor_flags & MONITOR_FLAG_CONTROL) - ? WMI_SNIFFER_CP : WMI_SNIFFER_DP); - } - /* typical time for secure PCP is 840ms */ - rc = wmi_call(wil, WMI_CFG_RX_CHAIN_CMDID, &cmd, sizeof(cmd), - WMI_CFG_RX_CHAIN_DONE_EVENTID, &evt, sizeof(evt), 2000); + rc = wmi_rx_chain_add(wil, vring); if (rc) goto err_free; - vring->hwtail = le32_to_cpu(evt.evt.rx_ring_tail_ptr); - - wil_dbg(wil, "Rx init: status %d tail 0x%08x\n", - le32_to_cpu(evt.evt.status), vring->hwtail); - rc = wil_rx_refill(wil, vring->size); if (rc) goto err_free; @@ -546,25 +511,8 @@ void wil_rx_fini(struct wil6210_priv *wil) { struct vring *vring = &wil->vring_rx; - if (vring->va) { - int rc; - struct wmi_cfg_rx_chain_cmd cmd = { - .action = cpu_to_le32(WMI_RX_CHAIN_DEL), - .rx_sw_ring = { - .max_mpdu_size = cpu_to_le16(RX_BUF_LEN), - }, - }; - struct { - struct wil6210_mbox_hdr_wmi wmi; - struct wmi_cfg_rx_chain_done_event cfg; - } __packed wmi_rx_cfg_reply; - - rc = wmi_call(wil, WMI_CFG_RX_CHAIN_CMDID, &cmd, sizeof(cmd), - WMI_CFG_RX_CHAIN_DONE_EVENTID, - &wmi_rx_cfg_reply, sizeof(wmi_rx_cfg_reply), - 100); + if (vring->va) wil_vring_free(wil, vring, 0); - } } int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size, @@ -617,6 +565,7 @@ int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size, if (reply.cmd.status != WMI_VRING_CFG_SUCCESS) { wil_err(wil, "Tx config failed, status 0x%02x\n", reply.cmd.status); + rc = -EINVAL; goto out_free; } vring->hwtail = le32_to_cpu(reply.cmd.tx_vring_tail_ptr); @@ -689,7 +638,7 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring, uint i = swhead; dma_addr_t pa; - wil_dbg_TXRX(wil, "%s()\n", __func__); + wil_dbg_txrx(wil, "%s()\n", __func__); if (avail < vring->size/8) netif_tx_stop_all_queues(wil_to_ndev(wil)); @@ -706,9 +655,9 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring, pa = dma_map_single(dev, skb->data, skb_headlen(skb), DMA_TO_DEVICE); - wil_dbg_TXRX(wil, "Tx skb %d bytes %p -> %#08llx\n", skb_headlen(skb), + wil_dbg_txrx(wil, "Tx skb %d bytes %p -> %#08llx\n", skb_headlen(skb), skb->data, (unsigned long long)pa); - wil_hex_dump_TXRX("Tx ", DUMP_PREFIX_OFFSET, 16, 1, + wil_hex_dump_txrx("Tx ", DUMP_PREFIX_OFFSET, 16, 1, skb->data, skb_headlen(skb), false); if (unlikely(dma_mapping_error(dev, pa))) @@ -737,12 +686,12 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring, d->dma.d0 |= BIT(DMA_CFG_DESC_TX_0_CMD_DMA_IT_POS); d->dma.d0 |= (vring_index << DMA_CFG_DESC_TX_0_QID_POS); - wil_hex_dump_TXRX("Tx ", DUMP_PREFIX_NONE, 32, 4, + wil_hex_dump_txrx("Tx ", DUMP_PREFIX_NONE, 32, 4, (const void *)d, sizeof(*d), false); /* advance swhead */ wil_vring_advance_head(vring, nr_frags + 1); - wil_dbg_TXRX(wil, "Tx swhead %d -> %d\n", swhead, vring->swhead); + wil_dbg_txrx(wil, "Tx swhead %d -> %d\n", swhead, vring->swhead); iowrite32(vring->swhead, wil->csr + HOSTADDR(vring->hwtail)); /* hold reference to skb * to prevent skb release before accounting @@ -775,7 +724,7 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev) struct vring *vring; int rc; - wil_dbg_TXRX(wil, "%s()\n", __func__); + wil_dbg_txrx(wil, "%s()\n", __func__); if (!test_bit(wil_status_fwready, &wil->status)) { wil_err(wil, "FW not ready\n"); goto drop; @@ -802,15 +751,13 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev) } switch (rc) { case 0: - ndev->stats.tx_packets++; - ndev->stats.tx_bytes += skb->len; + /* statistics will be updated on the tx_complete */ dev_kfree_skb_any(skb); return NETDEV_TX_OK; case -ENOMEM: return NETDEV_TX_BUSY; default: - ; /* goto drop; */ - break; + break; /* goto drop; */ } drop: netif_tx_stop_all_queues(ndev); @@ -827,6 +774,7 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev) */ void wil_tx_complete(struct wil6210_priv *wil, int ringid) { + struct net_device *ndev = wil_to_ndev(wil); struct device *dev = wil_to_dev(wil); struct vring *vring = &wil->vring_tx[ringid]; @@ -835,7 +783,7 @@ void wil_tx_complete(struct wil6210_priv *wil, int ringid) return; } - wil_dbg_TXRX(wil, "%s(%d)\n", __func__, ringid); + wil_dbg_txrx(wil, "%s(%d)\n", __func__, ringid); while (!wil_vring_is_empty(vring)) { volatile struct vring_tx_desc *d = &vring->va[vring->swtail].tx; @@ -844,16 +792,23 @@ void wil_tx_complete(struct wil6210_priv *wil, int ringid) if (!(d->dma.status & TX_DMA_STATUS_DU)) break; - wil_dbg_TXRX(wil, + wil_dbg_txrx(wil, "Tx[%3d] : %d bytes, status 0x%02x err 0x%02x\n", vring->swtail, d->dma.length, d->dma.status, d->dma.error); - wil_hex_dump_TXRX("TxC ", DUMP_PREFIX_NONE, 32, 4, + wil_hex_dump_txrx("TxC ", DUMP_PREFIX_NONE, 32, 4, (const void *)d, sizeof(*d), false); pa = d->dma.addr_low | ((u64)d->dma.addr_high << 32); skb = vring->ctx[vring->swtail]; if (skb) { + if (d->dma.error == 0) { + ndev->stats.tx_packets++; + ndev->stats.tx_bytes += skb->len; + } else { + ndev->stats.tx_errors++; + } + dma_unmap_single(dev, pa, d->dma.length, DMA_TO_DEVICE); dev_kfree_skb_any(skb); vring->ctx[vring->swtail] = NULL; diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 9bcfffa4006c..aea961ff8f08 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -36,8 +36,6 @@ static inline u32 WIL_GET_BITS(u32 x, int b0, int b1) #define WIL6210_MEM_SIZE (2*1024*1024UL) -#define WIL6210_TX_QUEUES (4) - #define WIL6210_RX_RING_SIZE (128) #define WIL6210_TX_RING_SIZE (128) #define WIL6210_MAX_TX_RINGS (24) @@ -101,8 +99,7 @@ struct RGF_ICR { #define RGF_DMA_EP_MISC_ICR (0x881bec) /* struct RGF_ICR */ #define BIT_DMA_EP_MISC_ICR_RX_HTRSH BIT(0) #define BIT_DMA_EP_MISC_ICR_TX_NO_ACT BIT(1) - #define BIT_DMA_EP_MISC_ICR_FW_INT0 BIT(28) - #define BIT_DMA_EP_MISC_ICR_FW_INT1 BIT(29) + #define BIT_DMA_EP_MISC_ICR_FW_INT(n) BIT(28+n) /* n = [0..3] */ /* Interrupt moderation control */ #define RGF_DMA_ITR_CNT_TRSH (0x881c5c) @@ -121,8 +118,9 @@ struct RGF_ICR { #define SW_INT_MBOX BIT_USER_USER_ICR_SW_INT_2 /* ISR register bits */ -#define ISR_MISC_FW_READY BIT_DMA_EP_MISC_ICR_FW_INT0 -#define ISR_MISC_MBOX_EVT BIT_DMA_EP_MISC_ICR_FW_INT1 +#define ISR_MISC_FW_READY BIT_DMA_EP_MISC_ICR_FW_INT(0) +#define ISR_MISC_MBOX_EVT BIT_DMA_EP_MISC_ICR_FW_INT(1) +#define ISR_MISC_FW_ERROR BIT_DMA_EP_MISC_ICR_FW_INT(3) /* Hardware definitions end */ @@ -272,17 +270,18 @@ struct wil6210_priv { #define wil_info(wil, fmt, arg...) netdev_info(wil_to_ndev(wil), fmt, ##arg) #define wil_err(wil, fmt, arg...) netdev_err(wil_to_ndev(wil), fmt, ##arg) -#define wil_dbg_IRQ(wil, fmt, arg...) wil_dbg(wil, "DBG[ IRQ]" fmt, ##arg) -#define wil_dbg_TXRX(wil, fmt, arg...) wil_dbg(wil, "DBG[TXRX]" fmt, ##arg) -#define wil_dbg_WMI(wil, fmt, arg...) wil_dbg(wil, "DBG[ WMI]" fmt, ##arg) +#define wil_dbg_irq(wil, fmt, arg...) wil_dbg(wil, "DBG[ IRQ]" fmt, ##arg) +#define wil_dbg_txrx(wil, fmt, arg...) wil_dbg(wil, "DBG[TXRX]" fmt, ##arg) +#define wil_dbg_wmi(wil, fmt, arg...) wil_dbg(wil, "DBG[ WMI]" fmt, ##arg) +#define wil_dbg_misc(wil, fmt, arg...) wil_dbg(wil, "DBG[MISC]" fmt, ##arg) -#define wil_hex_dump_TXRX(prefix_str, prefix_type, rowsize, \ +#define wil_hex_dump_txrx(prefix_str, prefix_type, rowsize, \ groupsize, buf, len, ascii) \ wil_print_hex_dump_debug("DBG[TXRX]" prefix_str,\ prefix_type, rowsize, \ groupsize, buf, len, ascii) -#define wil_hex_dump_WMI(prefix_str, prefix_type, rowsize, \ +#define wil_hex_dump_wmi(prefix_str, prefix_type, rowsize, \ groupsize, buf, len, ascii) \ wil_print_hex_dump_debug("DBG[ WMI]" prefix_str,\ prefix_type, rowsize, \ @@ -328,6 +327,7 @@ int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index, const void *mac_addr, int key_len, const void *key); int wmi_echo(struct wil6210_priv *wil); int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie); +int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring); int wil6210_init_irq(struct wil6210_priv *wil, int irq); void wil6210_fini_irq(struct wil6210_priv *wil, int irq); diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 12915f6e7617..0b70e17cd1fb 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -18,8 +18,10 @@ #include <linux/io.h> #include <linux/list.h> #include <linux/etherdevice.h> +#include <linux/if_arp.h> #include "wil6210.h" +#include "txrx.h" #include "wmi.h" /** @@ -186,7 +188,6 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len) wil_err(wil, "WMI size too large: %d bytes, max is %d\n", (int)(sizeof(cmd) + len), r->entry_size); return -ERANGE; - } might_sleep(); @@ -213,7 +214,7 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len) } /* next head */ next_head = r->base + ((r->head - r->base + sizeof(d_head)) % r->size); - wil_dbg_WMI(wil, "Head 0x%08x -> 0x%08x\n", r->head, next_head); + wil_dbg_wmi(wil, "Head 0x%08x -> 0x%08x\n", r->head, next_head); /* wait till FW finish with previous command */ for (retry = 5; retry > 0; retry--) { r->tail = ioread32(wil->csr + HOST_MBOX + @@ -234,10 +235,10 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len) } cmd.hdr.seq = cpu_to_le16(++wil->wmi_seq); /* set command */ - wil_dbg_WMI(wil, "WMI command 0x%04x [%d]\n", cmdid, len); - wil_hex_dump_WMI("Cmd ", DUMP_PREFIX_OFFSET, 16, 1, &cmd, + wil_dbg_wmi(wil, "WMI command 0x%04x [%d]\n", cmdid, len); + wil_hex_dump_wmi("Cmd ", DUMP_PREFIX_OFFSET, 16, 1, &cmd, sizeof(cmd), true); - wil_hex_dump_WMI("cmd ", DUMP_PREFIX_OFFSET, 16, 1, buf, + wil_hex_dump_wmi("cmd ", DUMP_PREFIX_OFFSET, 16, 1, buf, len, true); wil_memcpy_toio_32(dst, &cmd, sizeof(cmd)); wil_memcpy_toio_32(dst + sizeof(cmd), buf, len); @@ -273,7 +274,7 @@ static void wmi_evt_ready(struct wil6210_priv *wil, int id, void *d, int len) struct wmi_ready_event *evt = d; u32 ver = le32_to_cpu(evt->sw_version); - wil_dbg_WMI(wil, "FW ver. %d; MAC %pM\n", ver, evt->mac); + wil_dbg_wmi(wil, "FW ver. %d; MAC %pM\n", ver, evt->mac); if (!is_valid_ether_addr(ndev->dev_addr)) { memcpy(ndev->dev_addr, evt->mac, ETH_ALEN); @@ -286,7 +287,7 @@ static void wmi_evt_ready(struct wil6210_priv *wil, int id, void *d, int len) static void wmi_evt_fw_ready(struct wil6210_priv *wil, int id, void *d, int len) { - wil_dbg_WMI(wil, "WMI: FW ready\n"); + wil_dbg_wmi(wil, "WMI: FW ready\n"); set_bit(wil_status_fwready, &wil->status); /* reuse wmi_ready for the firmware ready indication */ @@ -309,11 +310,11 @@ static void wmi_evt_rx_mgmt(struct wil6210_priv *wil, int id, void *d, int len) u32 d_len = le32_to_cpu(data->info.len); u16 d_status = le16_to_cpu(data->info.status); - wil_dbg_WMI(wil, "MGMT: channel %d MCS %d SNR %d\n", + wil_dbg_wmi(wil, "MGMT: channel %d MCS %d SNR %d\n", data->info.channel, data->info.mcs, data->info.snr); - wil_dbg_WMI(wil, "status 0x%04x len %d stype %04x\n", d_status, d_len, + wil_dbg_wmi(wil, "status 0x%04x len %d stype %04x\n", d_status, d_len, le16_to_cpu(data->info.stype)); - wil_dbg_WMI(wil, "qid %d mid %d cid %d\n", + wil_dbg_wmi(wil, "qid %d mid %d cid %d\n", data->info.qid, data->info.mid, data->info.cid); if (!channel) { @@ -329,13 +330,13 @@ static void wmi_evt_rx_mgmt(struct wil6210_priv *wil, int id, void *d, int len) const u8 *ie_buf = rx_mgmt_frame->u.beacon.variable; size_t ie_len = d_len - offsetof(struct ieee80211_mgmt, u.beacon.variable); - wil_dbg_WMI(wil, "Capability info : 0x%04x\n", cap); + wil_dbg_wmi(wil, "Capability info : 0x%04x\n", cap); bss = cfg80211_inform_bss(wiphy, channel, rx_mgmt_frame->bssid, tsf, cap, bi, ie_buf, ie_len, signal, GFP_KERNEL); if (bss) { - wil_dbg_WMI(wil, "Added BSS %pM\n", + wil_dbg_wmi(wil, "Added BSS %pM\n", rx_mgmt_frame->bssid); cfg80211_put_bss(bss); } else { @@ -351,7 +352,7 @@ static void wmi_evt_scan_complete(struct wil6210_priv *wil, int id, struct wmi_scan_complete_event *data = d; bool aborted = (data->status != 0); - wil_dbg_WMI(wil, "SCAN_COMPLETE(0x%08x)\n", data->status); + wil_dbg_wmi(wil, "SCAN_COMPLETE(0x%08x)\n", data->status); cfg80211_scan_done(wil->scan_request, aborted); wil->scan_request = NULL; } else { @@ -386,9 +387,9 @@ static void wmi_evt_connect(struct wil6210_priv *wil, int id, void *d, int len) return; } ch = evt->channel + 1; - wil_dbg_WMI(wil, "Connect %pM channel [%d] cid %d\n", + wil_dbg_wmi(wil, "Connect %pM channel [%d] cid %d\n", evt->bssid, ch, evt->cid); - wil_hex_dump_WMI("connect AI : ", DUMP_PREFIX_OFFSET, 16, 1, + wil_hex_dump_wmi("connect AI : ", DUMP_PREFIX_OFFSET, 16, 1, evt->assoc_info, len - sizeof(*evt), true); /* figure out IE's */ @@ -450,14 +451,13 @@ static void wmi_evt_disconnect(struct wil6210_priv *wil, int id, { struct wmi_disconnect_event *evt = d; - wil_dbg_WMI(wil, "Disconnect %pM reason %d proto %d wmi\n", + wil_dbg_wmi(wil, "Disconnect %pM reason %d proto %d wmi\n", evt->bssid, evt->protocol_reason_status, evt->disconnect_reason); wil->sinfo_gen++; wil6210_disconnect(wil, evt->bssid); - clear_bit(wil_status_dontscan, &wil->status); } static void wmi_evt_notify(struct wil6210_priv *wil, int id, void *d, int len) @@ -476,7 +476,7 @@ static void wmi_evt_notify(struct wil6210_priv *wil, int id, void *d, int len) wil->stats.my_tx_sector = le16_to_cpu(evt->my_tx_sector); wil->stats.peer_rx_sector = le16_to_cpu(evt->other_rx_sector); wil->stats.peer_tx_sector = le16_to_cpu(evt->other_tx_sector); - wil_dbg_WMI(wil, "Link status, MCS %d TSF 0x%016llx\n" + wil_dbg_wmi(wil, "Link status, MCS %d TSF 0x%016llx\n" "BF status 0x%08x SNR 0x%08x\n" "Tx Tpt %d goodput %d Rx goodput %d\n" "Sectors(rx:tx) my %d:%d peer %d:%d\n", @@ -501,7 +501,7 @@ static void wmi_evt_eapol_rx(struct wil6210_priv *wil, int id, struct sk_buff *skb; struct ethhdr *eth; - wil_dbg_WMI(wil, "EAPOL len %d from %pM\n", eapol_len, + wil_dbg_wmi(wil, "EAPOL len %d from %pM\n", eapol_len, evt->src_mac); if (eapol_len > 196) { /* TODO: revisit size limit */ @@ -599,15 +599,15 @@ void wmi_recv_cmd(struct wil6210_priv *wil) iowrite32(0, wil->csr + HOSTADDR(r->tail) + offsetof(struct wil6210_mbox_ring_desc, sync)); /* indicate */ - wil_dbg_WMI(wil, "Mbox evt %04x %04x %04x %02x\n", + wil_dbg_wmi(wil, "Mbox evt %04x %04x %04x %02x\n", le16_to_cpu(hdr.seq), len, le16_to_cpu(hdr.type), hdr.flags); if ((hdr.type == WIL_MBOX_HDR_TYPE_WMI) && (len >= sizeof(struct wil6210_mbox_hdr_wmi))) { - wil_dbg_WMI(wil, "WMI event 0x%04x\n", + wil_dbg_wmi(wil, "WMI event 0x%04x\n", evt->event.wmi.id); } - wil_hex_dump_WMI("evt ", DUMP_PREFIX_OFFSET, 16, 1, + wil_hex_dump_wmi("evt ", DUMP_PREFIX_OFFSET, 16, 1, &evt->event.hdr, sizeof(hdr) + len, true); /* advance tail */ @@ -623,7 +623,7 @@ void wmi_recv_cmd(struct wil6210_priv *wil) { int q = queue_work(wil->wmi_wq, &wil->wmi_event_worker); - wil_dbg_WMI(wil, "queue_work -> %d\n", q); + wil_dbg_wmi(wil, "queue_work -> %d\n", q); } } } @@ -650,7 +650,7 @@ int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len, cmdid, reply_id, to_msec); rc = -ETIME; } else { - wil_dbg_WMI(wil, + wil_dbg_wmi(wil, "wmi_call(0x%04x->0x%04x) completed in %d msec\n", cmdid, reply_id, to_msec - jiffies_to_msecs(remain)); @@ -680,7 +680,7 @@ int wmi_set_mac_address(struct wil6210_priv *wil, void *addr) memcpy(cmd.mac, addr, ETH_ALEN); - wil_dbg_WMI(wil, "Set MAC %pM\n", addr); + wil_dbg_wmi(wil, "Set MAC %pM\n", addr); return wmi_send(wil, WMI_SET_MAC_ADDRESS_CMDID, &cmd, sizeof(cmd)); } @@ -778,7 +778,7 @@ int wmi_tx_eapol(struct wil6210_priv *wil, struct sk_buff *skb) skb_set_mac_header(skb, 0); eth = eth_hdr(skb); - wil_dbg_WMI(wil, "EAPOL %d bytes to %pM\n", eapol_len, eth->h_dest); + wil_dbg_wmi(wil, "EAPOL %d bytes to %pM\n", eapol_len, eth->h_dest); for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) { if (memcmp(wil->dst_addr[i], eth->h_dest, ETH_ALEN) == 0) goto found_dest; @@ -853,11 +853,60 @@ int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie) return rc; } +int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring) +{ + struct wireless_dev *wdev = wil->wdev; + struct net_device *ndev = wil_to_ndev(wil); + struct wmi_cfg_rx_chain_cmd cmd = { + .action = WMI_RX_CHAIN_ADD, + .rx_sw_ring = { + .max_mpdu_size = cpu_to_le16(RX_BUF_LEN), + .ring_mem_base = cpu_to_le64(vring->pa), + .ring_size = cpu_to_le16(vring->size), + }, + .mid = 0, /* TODO - what is it? */ + .decap_trans_type = WMI_DECAP_TYPE_802_3, + }; + struct { + struct wil6210_mbox_hdr_wmi wmi; + struct wmi_cfg_rx_chain_done_event evt; + } __packed evt; + int rc; + + if (wdev->iftype == NL80211_IFTYPE_MONITOR) { + struct ieee80211_channel *ch = wdev->preset_chandef.chan; + + cmd.sniffer_cfg.mode = cpu_to_le32(WMI_SNIFFER_ON); + if (ch) + cmd.sniffer_cfg.channel = ch->hw_value - 1; + cmd.sniffer_cfg.phy_info_mode = + cpu_to_le32(ndev->type == ARPHRD_IEEE80211_RADIOTAP); + cmd.sniffer_cfg.phy_support = + cpu_to_le32((wil->monitor_flags & MONITOR_FLAG_CONTROL) + ? WMI_SNIFFER_CP : WMI_SNIFFER_DP); + } + /* typical time for secure PCP is 840ms */ + rc = wmi_call(wil, WMI_CFG_RX_CHAIN_CMDID, &cmd, sizeof(cmd), + WMI_CFG_RX_CHAIN_DONE_EVENTID, &evt, sizeof(evt), 2000); + if (rc) + return rc; + + vring->hwtail = le32_to_cpu(evt.evt.rx_ring_tail_ptr); + + wil_dbg_misc(wil, "Rx init: status %d tail 0x%08x\n", + le32_to_cpu(evt.evt.status), vring->hwtail); + + if (le32_to_cpu(evt.evt.status) != WMI_CFG_RX_CHAIN_SUCCESS) + rc = -EINVAL; + + return rc; +} + void wmi_event_flush(struct wil6210_priv *wil) { struct pending_wmi_event *evt, *t; - wil_dbg_WMI(wil, "%s()\n", __func__); + wil_dbg_wmi(wil, "%s()\n", __func__); list_for_each_entry_safe(evt, t, &wil->pending_wmi_ev, list) { list_del(&evt->list); @@ -899,7 +948,7 @@ static void wmi_event_handle(struct wil6210_priv *wil, wmi_evt_call_handler(wil, id, evt_data, len - sizeof(*wmi)); } - wil_dbg_WMI(wil, "Complete WMI 0x%04x\n", id); + wil_dbg_wmi(wil, "Complete WMI 0x%04x\n", id); complete(&wil->wmi_ready); return; } @@ -964,7 +1013,7 @@ void wmi_connect_worker(struct work_struct *work) return; } - wil_dbg_WMI(wil, "Configure for connection CID %d\n", + wil_dbg_wmi(wil, "Configure for connection CID %d\n", wil->pending_connect_cid); rc = wil_vring_init_tx(wil, 0, WIL6210_TX_RING_SIZE, diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c index 7fc49ca3f597..b1dd5600fd02 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c @@ -542,9 +542,8 @@ brcms_ops_bss_info_changed(struct ieee80211_hw *hw, if (changed & BSS_CHANGED_ARP_FILTER) { /* Hardware ARP filter address list or state changed */ - brcms_err(core, "%s: arp filtering: enabled %s, count %d" - " (implement)\n", __func__, info->arp_filter_enabled ? - "true" : "false", info->arp_addr_cnt); + brcms_err(core, "%s: arp filtering: %d addresses" + " (implement)\n", __func__, info->arp_addr_cnt); } if (changed & BSS_CHANGED_QOS) { diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c index 050ce7c70d74..83856d1a6101 100644 --- a/drivers/net/wireless/iwlegacy/3945-mac.c +++ b/drivers/net/wireless/iwlegacy/3945-mac.c @@ -1001,12 +1001,12 @@ il3945_rx_allocate(struct il_priv *il, gfp_t priority) struct list_head *element; struct il_rx_buf *rxb; struct page *page; + dma_addr_t page_dma; unsigned long flags; gfp_t gfp_mask = priority; while (1) { spin_lock_irqsave(&rxq->lock, flags); - if (list_empty(&rxq->rx_used)) { spin_unlock_irqrestore(&rxq->lock, flags); return; @@ -1035,26 +1035,34 @@ il3945_rx_allocate(struct il_priv *il, gfp_t priority) break; } + /* Get physical address of RB/SKB */ + page_dma = + pci_map_page(il->pci_dev, page, 0, + PAGE_SIZE << il->hw_params.rx_page_order, + PCI_DMA_FROMDEVICE); + + if (unlikely(pci_dma_mapping_error(il->pci_dev, page_dma))) { + __free_pages(page, il->hw_params.rx_page_order); + break; + } + spin_lock_irqsave(&rxq->lock, flags); + if (list_empty(&rxq->rx_used)) { spin_unlock_irqrestore(&rxq->lock, flags); + pci_unmap_page(il->pci_dev, page_dma, + PAGE_SIZE << il->hw_params.rx_page_order, + PCI_DMA_FROMDEVICE); __free_pages(page, il->hw_params.rx_page_order); return; } + element = rxq->rx_used.next; rxb = list_entry(element, struct il_rx_buf, list); list_del(element); - spin_unlock_irqrestore(&rxq->lock, flags); rxb->page = page; - /* Get physical address of RB/SKB */ - rxb->page_dma = - pci_map_page(il->pci_dev, page, 0, - PAGE_SIZE << il->hw_params.rx_page_order, - PCI_DMA_FROMDEVICE); - - spin_lock_irqsave(&rxq->lock, flags); - + rxb->page_dma = page_dma; list_add_tail(&rxb->list, &rxq->rx_free); rxq->free_count++; il->alloc_rxb_page++; @@ -1284,8 +1292,15 @@ il3945_rx_handle(struct il_priv *il) pci_map_page(il->pci_dev, rxb->page, 0, PAGE_SIZE << il->hw_params. rx_page_order, PCI_DMA_FROMDEVICE); - list_add_tail(&rxb->list, &rxq->rx_free); - rxq->free_count++; + if (unlikely(pci_dma_mapping_error(il->pci_dev, + rxb->page_dma))) { + __il_free_pages(il, rxb->page); + rxb->page = NULL; + list_add_tail(&rxb->list, &rxq->rx_used); + } else { + list_add_tail(&rxb->list, &rxq->rx_free); + rxq->free_count++; + } } else list_add_tail(&rxb->list, &rxq->rx_used); diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c index f1dc04006564..9741ac10a334 100644 --- a/drivers/net/wireless/iwlegacy/4965-mac.c +++ b/drivers/net/wireless/iwlegacy/4965-mac.c @@ -319,6 +319,7 @@ il4965_rx_allocate(struct il_priv *il, gfp_t priority) struct list_head *element; struct il_rx_buf *rxb; struct page *page; + dma_addr_t page_dma; unsigned long flags; gfp_t gfp_mask = priority; @@ -356,33 +357,35 @@ il4965_rx_allocate(struct il_priv *il, gfp_t priority) return; } + /* Get physical address of the RB */ + page_dma = + pci_map_page(il->pci_dev, page, 0, + PAGE_SIZE << il->hw_params.rx_page_order, + PCI_DMA_FROMDEVICE); + if (unlikely(pci_dma_mapping_error(il->pci_dev, page_dma))) { + __free_pages(page, il->hw_params.rx_page_order); + break; + } + spin_lock_irqsave(&rxq->lock, flags); if (list_empty(&rxq->rx_used)) { spin_unlock_irqrestore(&rxq->lock, flags); + pci_unmap_page(il->pci_dev, page_dma, + PAGE_SIZE << il->hw_params.rx_page_order, + PCI_DMA_FROMDEVICE); __free_pages(page, il->hw_params.rx_page_order); return; } + element = rxq->rx_used.next; rxb = list_entry(element, struct il_rx_buf, list); list_del(element); - spin_unlock_irqrestore(&rxq->lock, flags); - BUG_ON(rxb->page); - rxb->page = page; - /* Get physical address of the RB */ - rxb->page_dma = - pci_map_page(il->pci_dev, page, 0, - PAGE_SIZE << il->hw_params.rx_page_order, - PCI_DMA_FROMDEVICE); - /* dma address must be no more than 36 bits */ - BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36)); - /* and also 256 byte aligned! */ - BUG_ON(rxb->page_dma & DMA_BIT_MASK(8)); - - spin_lock_irqsave(&rxq->lock, flags); + rxb->page = page; + rxb->page_dma = page_dma; list_add_tail(&rxb->list, &rxq->rx_free); rxq->free_count++; il->alloc_rxb_page++; @@ -725,6 +728,16 @@ il4965_hdl_rx(struct il_priv *il, struct il_rx_buf *rxb) if (rate_n_flags & RATE_MCS_SGI_MSK) rx_status.flag |= RX_FLAG_SHORT_GI; + if (phy_res->phy_flags & RX_RES_PHY_FLAGS_AGG_MSK) { + /* We know which subframes of an A-MPDU belong + * together since we get a single PHY response + * from the firmware for all of them. + */ + + rx_status.flag |= RX_FLAG_AMPDU_DETAILS; + rx_status.ampdu_reference = il->_4965.ampdu_ref; + } + il4965_pass_packet_to_mac80211(il, header, len, ampdu_status, rxb, &rx_status); } @@ -736,6 +749,7 @@ il4965_hdl_rx_phy(struct il_priv *il, struct il_rx_buf *rxb) { struct il_rx_pkt *pkt = rxb_addr(rxb); il->_4965.last_phy_res_valid = true; + il->_4965.ampdu_ref++; memcpy(&il->_4965.last_phy_res, pkt->u.raw, sizeof(struct il_rx_phy_res)); } @@ -4281,8 +4295,16 @@ il4965_rx_handle(struct il_priv *il) pci_map_page(il->pci_dev, rxb->page, 0, PAGE_SIZE << il->hw_params. rx_page_order, PCI_DMA_FROMDEVICE); - list_add_tail(&rxb->list, &rxq->rx_free); - rxq->free_count++; + + if (unlikely(pci_dma_mapping_error(il->pci_dev, + rxb->page_dma))) { + __il_free_pages(il, rxb->page); + rxb->page = NULL; + list_add_tail(&rxb->list, &rxq->rx_used); + } else { + list_add_tail(&rxb->list, &rxq->rx_free); + rxq->free_count++; + } } else list_add_tail(&rxb->list, &rxq->rx_used); @@ -6573,9 +6595,6 @@ il4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (err) goto out_free_eeprom; - if (err) - goto out_free_eeprom; - /* extract MAC Address */ il4965_eeprom_get_mac(il, il->addresses[0].addr); D_INFO("MAC address: %pM\n", il->addresses[0].addr); diff --git a/drivers/net/wireless/iwlegacy/4965.c b/drivers/net/wireless/iwlegacy/4965.c index 5db11714e047..91eb2d07fdb8 100644 --- a/drivers/net/wireless/iwlegacy/4965.c +++ b/drivers/net/wireless/iwlegacy/4965.c @@ -1748,7 +1748,6 @@ static void il4965_post_associate(struct il_priv *il) { struct ieee80211_vif *vif = il->vif; - struct ieee80211_conf *conf = NULL; int ret = 0; if (!vif || !il->is_open) @@ -1759,8 +1758,6 @@ il4965_post_associate(struct il_priv *il) il_scan_cancel_timeout(il, 200); - conf = &il->hw->conf; - il->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; il_commit_rxon(il); diff --git a/drivers/net/wireless/iwlegacy/commands.h b/drivers/net/wireless/iwlegacy/commands.h index 25dd7d28d022..3b6c99400892 100644 --- a/drivers/net/wireless/iwlegacy/commands.h +++ b/drivers/net/wireless/iwlegacy/commands.h @@ -1134,8 +1134,9 @@ struct il_wep_cmd { #define RX_RES_PHY_FLAGS_MOD_CCK_MSK cpu_to_le16(1 << 1) #define RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK cpu_to_le16(1 << 2) #define RX_RES_PHY_FLAGS_NARROW_BAND_MSK cpu_to_le16(1 << 3) -#define RX_RES_PHY_FLAGS_ANTENNA_MSK 0xf0 +#define RX_RES_PHY_FLAGS_ANTENNA_MSK 0x70 #define RX_RES_PHY_FLAGS_ANTENNA_POS 4 +#define RX_RES_PHY_FLAGS_AGG_MSK cpu_to_le16(1 << 7) #define RX_RES_STATUS_SEC_TYPE_MSK (0x7 << 8) #define RX_RES_STATUS_SEC_TYPE_NONE (0x0 << 8) diff --git a/drivers/net/wireless/iwlegacy/common.h b/drivers/net/wireless/iwlegacy/common.h index 37fe553b25e0..96f2025d936e 100644 --- a/drivers/net/wireless/iwlegacy/common.h +++ b/drivers/net/wireless/iwlegacy/common.h @@ -1356,6 +1356,7 @@ struct il_priv { struct { struct il_rx_phy_res last_phy_res; bool last_phy_res_valid; + u32 ampdu_ref; struct completion firmware_loading_complete; diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig index 5cf43236421e..ba319cba3f1e 100644 --- a/drivers/net/wireless/iwlwifi/Kconfig +++ b/drivers/net/wireless/iwlwifi/Kconfig @@ -43,8 +43,20 @@ config IWLWIFI module will be called iwlwifi. config IWLDVM - tristate "Intel Wireless WiFi" + tristate "Intel Wireless WiFi DVM Firmware support" depends on IWLWIFI + help + This is the driver supporting the DVM firmware which is + currently the only firmware available for existing devices. + +config IWLMVM + tristate "Intel Wireless WiFi MVM Firmware support" + depends on IWLWIFI + help + This is the driver supporting the MVM firmware which is + currently only available for 7000 series devices. + + Say yes if you have such a device. menu "Debugging Options" depends on IWLWIFI diff --git a/drivers/net/wireless/iwlwifi/Makefile b/drivers/net/wireless/iwlwifi/Makefile index 170ec330d2a9..6c7800044a04 100644 --- a/drivers/net/wireless/iwlwifi/Makefile +++ b/drivers/net/wireless/iwlwifi/Makefile @@ -5,8 +5,10 @@ iwlwifi-objs += iwl-drv.o iwlwifi-objs += iwl-debug.o iwlwifi-objs += iwl-notif-wait.o iwlwifi-objs += iwl-eeprom-read.o iwl-eeprom-parse.o +iwlwifi-objs += iwl-phy-db.o iwl-nvm-parse.o iwlwifi-objs += pcie/drv.o pcie/rx.o pcie/tx.o pcie/trans.o iwlwifi-objs += pcie/1000.o pcie/2000.o pcie/5000.o pcie/6000.o +iwlwifi-objs += pcie/7000.o iwlwifi-$(CONFIG_IWLWIFI_DEVICE_TRACING) += iwl-devtrace.o iwlwifi-$(CONFIG_IWLWIFI_DEVICE_TESTMODE) += iwl-test.o @@ -15,5 +17,6 @@ ccflags-y += -D__CHECK_ENDIAN__ -I$(src) obj-$(CONFIG_IWLDVM) += dvm/ +obj-$(CONFIG_IWLMVM) += mvm/ CFLAGS_iwl-devtrace.o := -I$(src) diff --git a/drivers/net/wireless/iwlwifi/dvm/agn.h b/drivers/net/wireless/iwlwifi/dvm/agn.h index 33b3ad2e546b..f41ae79e6bc0 100644 --- a/drivers/net/wireless/iwlwifi/dvm/agn.h +++ b/drivers/net/wireless/iwlwifi/dvm/agn.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/dvm/calib.c b/drivers/net/wireless/iwlwifi/dvm/calib.c index de54713b680c..6468de8634b0 100644 --- a/drivers/net/wireless/iwlwifi/dvm/calib.c +++ b/drivers/net/wireless/iwlwifi/dvm/calib.c @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/dvm/calib.h b/drivers/net/wireless/iwlwifi/dvm/calib.h index 2349f393cc42..65e920cab2b7 100644 --- a/drivers/net/wireless/iwlwifi/dvm/calib.h +++ b/drivers/net/wireless/iwlwifi/dvm/calib.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/dvm/commands.h b/drivers/net/wireless/iwlwifi/dvm/commands.h index 0ca99c13f7f2..8bce4b0148e0 100644 --- a/drivers/net/wireless/iwlwifi/dvm/commands.h +++ b/drivers/net/wireless/iwlwifi/dvm/commands.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/dvm/debugfs.c b/drivers/net/wireless/iwlwifi/dvm/debugfs.c index 72c74af38138..20806cae11b7 100644 --- a/drivers/net/wireless/iwlwifi/dvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/dvm/debugfs.c @@ -2,7 +2,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/dvm/dev.h b/drivers/net/wireless/iwlwifi/dvm/dev.h index 2653a891cc7e..71ea77576d22 100644 --- a/drivers/net/wireless/iwlwifi/dvm/dev.h +++ b/drivers/net/wireless/iwlwifi/dvm/dev.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/dvm/devices.c b/drivers/net/wireless/iwlwifi/dvm/devices.c index 8c72be3f37c1..15cca2ef9294 100644 --- a/drivers/net/wireless/iwlwifi/dvm/devices.c +++ b/drivers/net/wireless/iwlwifi/dvm/devices.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/dvm/led.c b/drivers/net/wireless/iwlwifi/dvm/led.c index 844a17f99a18..33c7e15d24f5 100644 --- a/drivers/net/wireless/iwlwifi/dvm/led.c +++ b/drivers/net/wireless/iwlwifi/dvm/led.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/dvm/led.h b/drivers/net/wireless/iwlwifi/dvm/led.h index b02a853103d3..8749dcfe695f 100644 --- a/drivers/net/wireless/iwlwifi/dvm/led.h +++ b/drivers/net/wireless/iwlwifi/dvm/led.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/dvm/lib.c b/drivers/net/wireless/iwlwifi/dvm/lib.c index 6ff46605ad4f..86ea5f4c3939 100644 --- a/drivers/net/wireless/iwlwifi/dvm/lib.c +++ b/drivers/net/wireless/iwlwifi/dvm/lib.c @@ -2,7 +2,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c index 0353e1c0670d..c2f03ecd4bf8 100644 --- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -459,14 +459,12 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw) base = priv->device_pointers.error_event_table; if (iwlagn_hw_valid_rtc_data_addr(base)) { - spin_lock_irqsave(&priv->trans->reg_lock, flags); - if (iwl_trans_grab_nic_access(priv->trans, true)) { + if (iwl_trans_grab_nic_access(priv->trans, true, &flags)) { iwl_write32(priv->trans, HBUS_TARG_MEM_RADDR, base); status = iwl_read32(priv->trans, HBUS_TARG_MEM_RDAT); - iwl_trans_release_nic_access(priv->trans); + iwl_trans_release_nic_access(priv->trans, &flags); ret = 0; } - spin_unlock_irqrestore(&priv->trans->reg_lock, flags); #ifdef CONFIG_IWLWIFI_DEBUGFS if (ret == 0) { @@ -1154,6 +1152,7 @@ static int iwlagn_mac_cancel_remain_on_channel(struct ieee80211_hw *hw) } static void iwlagn_mac_rssi_callback(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, enum ieee80211_rssi_event rssi_event) { struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c index a64f361e341c..b9e3517652d6 100644 --- a/drivers/net/wireless/iwlwifi/dvm/main.c +++ b/drivers/net/wireless/iwlwifi/dvm/main.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -353,11 +353,8 @@ static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); /* Make sure device is powered up for SRAM reads */ - spin_lock_irqsave(&priv->trans->reg_lock, reg_flags); - if (!iwl_trans_grab_nic_access(priv->trans, false)) { - spin_unlock_irqrestore(&priv->trans->reg_lock, reg_flags); + if (!iwl_trans_grab_nic_access(priv->trans, false, ®_flags)) return; - } /* Set starting address; reads will auto-increment */ iwl_write32(priv->trans, HBUS_TARG_MEM_RADDR, ptr); @@ -388,8 +385,7 @@ static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, } } /* Allow device to power down */ - iwl_trans_release_nic_access(priv->trans); - spin_unlock_irqrestore(&priv->trans->reg_lock, reg_flags); + iwl_trans_release_nic_access(priv->trans, ®_flags); } static void iwl_continuous_event_trace(struct iwl_priv *priv) @@ -1717,9 +1713,8 @@ static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, ptr = base + EVENT_START_OFFSET + (start_idx * event_size); /* Make sure device is powered up for SRAM reads */ - spin_lock_irqsave(&trans->reg_lock, reg_flags); - if (!iwl_trans_grab_nic_access(trans, false)) - goto out_unlock; + if (!iwl_trans_grab_nic_access(trans, false, ®_flags)) + return pos; /* Set starting address; reads will auto-increment */ iwl_write32(trans, HBUS_TARG_MEM_RADDR, ptr); @@ -1757,9 +1752,7 @@ static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, } /* Allow device to power down */ - iwl_trans_release_nic_access(trans); -out_unlock: - spin_unlock_irqrestore(&trans->reg_lock, reg_flags); + iwl_trans_release_nic_access(trans, ®_flags); return pos; } @@ -1991,13 +1984,13 @@ static void iwl_nic_config(struct iwl_op_mode *op_mode) struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); /* SKU Control */ - iwl_set_bits_mask(priv->trans, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH | - CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP, - (CSR_HW_REV_STEP(priv->trans->hw_rev) << - CSR_HW_IF_CONFIG_REG_POS_MAC_STEP) | - (CSR_HW_REV_DASH(priv->trans->hw_rev) << - CSR_HW_IF_CONFIG_REG_POS_MAC_DASH)); + iwl_trans_set_bits_mask(priv->trans, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH | + CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP, + (CSR_HW_REV_STEP(priv->trans->hw_rev) << + CSR_HW_IF_CONFIG_REG_POS_MAC_STEP) | + (CSR_HW_REV_DASH(priv->trans->hw_rev) << + CSR_HW_IF_CONFIG_REG_POS_MAC_DASH)); /* write radio config values to register */ if (priv->nvm_data->radio_cfg_type <= EEPROM_RF_CONFIG_TYPE_MAX) { @@ -2009,10 +2002,11 @@ static void iwl_nic_config(struct iwl_op_mode *op_mode) priv->nvm_data->radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; - iwl_set_bits_mask(priv->trans, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | - CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | - CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH, reg_val); + iwl_trans_set_bits_mask(priv->trans, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | + CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | + CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH, + reg_val); IWL_INFO(priv, "Radio type=0x%x-0x%x-0x%x\n", priv->nvm_data->radio_cfg_type, diff --git a/drivers/net/wireless/iwlwifi/dvm/power.c b/drivers/net/wireless/iwlwifi/dvm/power.c index 518cf3715809..bd69018d07a9 100644 --- a/drivers/net/wireless/iwlwifi/dvm/power.c +++ b/drivers/net/wireless/iwlwifi/dvm/power.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. diff --git a/drivers/net/wireless/iwlwifi/dvm/power.h b/drivers/net/wireless/iwlwifi/dvm/power.h index a2cee7f04848..7b03e1342d47 100644 --- a/drivers/net/wireless/iwlwifi/dvm/power.h +++ b/drivers/net/wireless/iwlwifi/dvm/power.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. diff --git a/drivers/net/wireless/iwlwifi/dvm/rs.c b/drivers/net/wireless/iwlwifi/dvm/rs.c index f3dd0da60d8a..a131227c49e9 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rs.c +++ b/drivers/net/wireless/iwlwifi/dvm/rs.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -411,8 +411,9 @@ static int rs_tl_turn_on_agg_for_tid(struct iwl_priv *priv, * BT traffic, as they would just be disrupted by BT. */ if (priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH) { - IWL_ERR(priv, "BT traffic (%d), no aggregation allowed\n", - priv->bt_traffic_load); + IWL_DEBUG_COEX(priv, + "BT traffic (%d), no aggregation allowed\n", + priv->bt_traffic_load); return ret; } diff --git a/drivers/net/wireless/iwlwifi/dvm/rs.h b/drivers/net/wireless/iwlwifi/dvm/rs.h index ad3aea8f626a..5d83cab22d62 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rs.h +++ b/drivers/net/wireless/iwlwifi/dvm/rs.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/dvm/rx.c b/drivers/net/wireless/iwlwifi/dvm/rx.c index cac4f37cc427..e8d5b90abf5c 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rx.c +++ b/drivers/net/wireless/iwlwifi/dvm/rx.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portionhelp of the ieee80211 subsystem header files. diff --git a/drivers/net/wireless/iwlwifi/dvm/rxon.c b/drivers/net/wireless/iwlwifi/dvm/rxon.c index 9a891e6e60e8..9fabd26997ca 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rxon.c +++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/dvm/scan.c b/drivers/net/wireless/iwlwifi/dvm/scan.c index 610ed2204e1f..3a4aa5239c45 100644 --- a/drivers/net/wireless/iwlwifi/dvm/scan.c +++ b/drivers/net/wireless/iwlwifi/dvm/scan.c @@ -2,7 +2,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c index bdba9543c351..ab768045696b 100644 --- a/drivers/net/wireless/iwlwifi/dvm/sta.c +++ b/drivers/net/wireless/iwlwifi/dvm/sta.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. diff --git a/drivers/net/wireless/iwlwifi/dvm/testmode.c b/drivers/net/wireless/iwlwifi/dvm/testmode.c index 57b918ce3b5f..dc6f965a123a 100644 --- a/drivers/net/wireless/iwlwifi/dvm/testmode.c +++ b/drivers/net/wireless/iwlwifi/dvm/testmode.c @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2010 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2010 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/dvm/tt.c b/drivers/net/wireless/iwlwifi/dvm/tt.c index b28cfc8553d7..67e2e1321b40 100644 --- a/drivers/net/wireless/iwlwifi/dvm/tt.c +++ b/drivers/net/wireless/iwlwifi/dvm/tt.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -185,10 +185,8 @@ static void iwl_tt_check_exit_ct_kill(unsigned long data) priv->thermal_throttle.ct_kill_toggle = true; } iwl_read32(priv->trans, CSR_UCODE_DRV_GP1); - spin_lock_irqsave(&priv->trans->reg_lock, flags); - if (iwl_trans_grab_nic_access(priv->trans, false)) - iwl_trans_release_nic_access(priv->trans); - spin_unlock_irqrestore(&priv->trans->reg_lock, flags); + if (iwl_trans_grab_nic_access(priv->trans, false, &flags)) + iwl_trans_release_nic_access(priv->trans, &flags); /* Reschedule the ct_kill timer to occur in * CT_KILL_EXIT_DURATION seconds to ensure we get a diff --git a/drivers/net/wireless/iwlwifi/dvm/tt.h b/drivers/net/wireless/iwlwifi/dvm/tt.h index 44c7c8f30a2d..9356c4b908ca 100644 --- a/drivers/net/wireless/iwlwifi/dvm/tt.h +++ b/drivers/net/wireless/iwlwifi/dvm/tt.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c index 191b9d4bee47..f4a013675947 100644 --- a/drivers/net/wireless/iwlwifi/dvm/tx.c +++ b/drivers/net/wireless/iwlwifi/dvm/tx.c @@ -2,7 +2,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/dvm/ucode.c b/drivers/net/wireless/iwlwifi/dvm/ucode.c index ebec13a3329f..736fe9bb140e 100644 --- a/drivers/net/wireless/iwlwifi/dvm/ucode.c +++ b/drivers/net/wireless/iwlwifi/dvm/ucode.c @@ -2,7 +2,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-hw.h b/drivers/net/wireless/iwlwifi/iwl-agn-hw.h index 7960a52f6ad4..e9975c54c276 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-hw.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn-hw.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/iwl-config.h b/drivers/net/wireless/iwlwifi/iwl-config.h index 864219d2136a..743b48343358 100644 --- a/drivers/net/wireless/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/iwlwifi/iwl-config.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -83,6 +83,7 @@ enum iwl_device_family { IWL_DEVICE_FAMILY_6030, IWL_DEVICE_FAMILY_6050, IWL_DEVICE_FAMILY_6150, + IWL_DEVICE_FAMILY_7000, }; /* diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h index b419a1efac0a..df3463a38704 100644 --- a/drivers/net/wireless/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/iwlwifi/iwl-csr.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h index 42b20b0e83bc..8cf5db7fb5c9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debug.h +++ b/drivers/net/wireless/iwlwifi/iwl-debug.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project. * @@ -116,6 +116,7 @@ do { \ #define IWL_DL_HCMD 0x00000004 #define IWL_DL_STATE 0x00000008 /* 0x000000F0 - 0x00000010 */ +#define IWL_DL_TE 0x00000020 #define IWL_DL_EEPROM 0x00000040 #define IWL_DL_RADIO 0x00000080 /* 0x00000F00 - 0x00000100 */ @@ -156,6 +157,7 @@ do { \ #define IWL_DEBUG_LED(p, f, a...) IWL_DEBUG(p, IWL_DL_LED, f, ## a) #define IWL_DEBUG_WEP(p, f, a...) IWL_DEBUG(p, IWL_DL_WEP, f, ## a) #define IWL_DEBUG_HC(p, f, a...) IWL_DEBUG(p, IWL_DL_HCMD, f, ## a) +#define IWL_DEBUG_TE(p, f, a...) IWL_DEBUG(p, IWL_DL_TE, f, ## a) #define IWL_DEBUG_EEPROM(d, f, a...) IWL_DEBUG_DEV(d, IWL_DL_EEPROM, f, ## a) #define IWL_DEBUG_CALIB(p, f, a...) IWL_DEBUG(p, IWL_DL_CALIB, f, ## a) #define IWL_DEBUG_FW(p, f, a...) IWL_DEBUG(p, IWL_DL_FW, f, ## a) diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.c b/drivers/net/wireless/iwlwifi/iwl-devtrace.c index 70191ddbd8f6..8f61c717f619 100644 --- a/drivers/net/wireless/iwlwifi/iwl-devtrace.c +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2009 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2009 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h index dc7e26b2f383..9a0f45ec9e01 100644 --- a/drivers/net/wireless/iwlwifi/iwl-devtrace.h +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2009 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2009 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c index d3549f493a17..6f228bb2b844 100644 --- a/drivers/net/wireless/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/iwlwifi/iwl-drv.c @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -139,8 +139,10 @@ struct iwl_drv { #endif }; -#define DVM_OP_MODE 0 -#define MVM_OP_MODE 1 +enum { + DVM_OP_MODE = 0, + MVM_OP_MODE = 1, +}; /* Protects the table contents, i.e. the ops pointer & drv list */ static struct mutex iwlwifi_opmode_table_mtx; @@ -149,8 +151,8 @@ static struct iwlwifi_opmode_table { const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ struct list_head drv; /* list of devices using this op_mode */ } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ - { .name = "iwldvm", .ops = NULL }, - { .name = "iwlmvm", .ops = NULL }, + [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, + [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, }; /* @@ -268,7 +270,7 @@ struct fw_sec_parsing { */ struct iwl_tlv_calib_data { __le32 ucode_type; - __le64 calib; + struct iwl_tlv_calib_ctrl calib; } __packed; struct iwl_firmware_pieces { @@ -358,7 +360,11 @@ static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) ucode_type); return -EINVAL; } - drv->fw.default_calib[ucode_type] = le64_to_cpu(def_calib->calib); + drv->fw.default_calib[ucode_type].flow_trigger = + def_calib->calib.flow_trigger; + drv->fw.default_calib[ucode_type].event_trigger = + def_calib->calib.event_trigger; + return 0; } @@ -959,7 +965,10 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) release_firmware(ucode_raw); mutex_lock(&iwlwifi_opmode_table_mtx); - op = &iwlwifi_opmode_table[DVM_OP_MODE]; + if (fw->mvm_fw) + op = &iwlwifi_opmode_table[MVM_OP_MODE]; + else + op = &iwlwifi_opmode_table[DVM_OP_MODE]; /* add this device to the list of devices using this op_mode */ list_add_tail(&drv->list, &op->drv); diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.h b/drivers/net/wireless/iwlwifi/iwl-drv.h index 285de5f68c05..594a5c71b272 100644 --- a/drivers/net/wireless/iwlwifi/iwl-drv.h +++ b/drivers/net/wireless/iwlwifi/iwl-drv.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -66,7 +66,7 @@ /* for all modules */ #define DRV_NAME "iwlwifi" #define IWLWIFI_VERSION "in-tree:" -#define DRV_COPYRIGHT "Copyright(c) 2003-2012 Intel Corporation" +#define DRV_COPYRIGHT "Copyright(c) 2003-2013 Intel Corporation" #define DRV_AUTHOR "<ilw@linux.intel.com>" diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c index 471986690cf0..034f2ff4f43d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -703,9 +703,9 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, return n_channels; } -static int iwl_init_sband_channels(struct iwl_nvm_data *data, - struct ieee80211_supported_band *sband, - int n_channels, enum ieee80211_band band) +int iwl_init_sband_channels(struct iwl_nvm_data *data, + struct ieee80211_supported_band *sband, + int n_channels, enum ieee80211_band band) { struct ieee80211_channel *chan = &data->channels[0]; int n = 0, idx = 0; @@ -728,10 +728,10 @@ static int iwl_init_sband_channels(struct iwl_nvm_data *data, #define MAX_BIT_RATE_40_MHZ 150 /* Mbps */ #define MAX_BIT_RATE_20_MHZ 72 /* Mbps */ -static void iwl_init_ht_hw_capab(const struct iwl_cfg *cfg, - struct iwl_nvm_data *data, - struct ieee80211_sta_ht_cap *ht_info, - enum ieee80211_band band) +void iwl_init_ht_hw_capab(const struct iwl_cfg *cfg, + struct iwl_nvm_data *data, + struct ieee80211_sta_ht_cap *ht_info, + enum ieee80211_band band) { int max_bit_rate = 0; u8 rx_chains; diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.h b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.h index 555f0eb61d48..683fe6a8c58f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.h +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -126,4 +126,13 @@ static inline void iwl_free_nvm_data(struct iwl_nvm_data *data) int iwl_nvm_check_version(struct iwl_nvm_data *data, struct iwl_trans *trans); +int iwl_init_sband_channels(struct iwl_nvm_data *data, + struct ieee80211_supported_band *sband, + int n_channels, enum ieee80211_band band); + +void iwl_init_ht_hw_capab(const struct iwl_cfg *cfg, + struct iwl_nvm_data *data, + struct ieee80211_sta_ht_cap *ht_info, + enum ieee80211_band band); + #endif /* __iwl_eeprom_parse_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom-read.c b/drivers/net/wireless/iwlwifi/iwl-eeprom-read.c index 27c7da3c6ed1..ef4806f27cf8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom-read.c +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom-read.c @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom-read.h b/drivers/net/wireless/iwlwifi/iwl-eeprom-read.h index 1337c9d36fee..b2588c5cbf93 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom-read.h +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom-read.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h index c646a90b725e..f5592fb3b1ed 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fh.h +++ b/drivers/net/wireless/iwlwifi/iwl-fh.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -414,6 +414,7 @@ static inline unsigned int FH_MEM_CBBC_QUEUE(unsigned int chnl) * uCode/driver must write "1" in order to clear this flag */ #define FH_TSSR_TX_ERROR_REG (FH_TSSR_LOWER_BOUND + 0x018) +#define FH_TSSR_TX_MSG_CONFIG_REG (FH_TSSR_LOWER_BOUND + 0x008) #define FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(_chnl) ((1 << (_chnl)) << 16) diff --git a/drivers/net/wireless/iwlwifi/iwl-fw-file.h b/drivers/net/wireless/iwlwifi/iwl-fw-file.h index e71564053e7f..90873eca35f7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fw-file.h +++ b/drivers/net/wireless/iwlwifi/iwl-fw-file.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h index 715291eb7f8e..b545178e46e3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fw.h +++ b/drivers/net/wireless/iwlwifi/iwl-fw.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -139,6 +139,19 @@ struct fw_img { #define IWL_UCODE_API(ver) (((ver) & 0x0000FF00) >> 8) #define IWL_UCODE_SERIAL(ver) ((ver) & 0x000000FF) +/* + * Calibration control struct. + * Sent as part of the phy configuration command. + * @flow_trigger: bitmap for which calibrations to perform according to + * flow triggers. + * @event_trigger: bitmap for which calibrations to perform according to + * event triggers. + */ +struct iwl_tlv_calib_ctrl { + __le32 flow_trigger; + __le32 event_trigger; +} __packed; + /** * struct iwl_fw - variables associated with the firmware * @@ -153,6 +166,7 @@ struct fw_img { * @inst_evtlog_ptr: event log offset for runtime ucode. * @inst_evtlog_size: event log size for runtime ucode. * @inst_errlog_ptr: error log offfset for runtime ucode. + * @mvm_fw: indicates this is MVM firmware */ struct iwl_fw { u32 ucode_ver; @@ -168,7 +182,7 @@ struct iwl_fw { u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; - u64 default_calib[IWL_UCODE_TYPE_MAX]; + struct iwl_tlv_calib_ctrl default_calib[IWL_UCODE_TYPE_MAX]; u32 phy_config; bool mvm_fw; diff --git a/drivers/net/wireless/iwlwifi/iwl-io.c b/drivers/net/wireless/iwlwifi/iwl-io.c index bff3ac96c00b..276410d82de4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-io.c +++ b/drivers/net/wireless/iwlwifi/iwl-io.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project. * @@ -35,54 +35,6 @@ #define IWL_POLL_INTERVAL 10 /* microseconds */ -void __iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask) -{ - iwl_write32(trans, reg, iwl_read32(trans, reg) | mask); -} - -void __iwl_clear_bit(struct iwl_trans *trans, u32 reg, u32 mask) -{ - iwl_write32(trans, reg, iwl_read32(trans, reg) & ~mask); -} - -void iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask) -{ - unsigned long flags; - - spin_lock_irqsave(&trans->reg_lock, flags); - __iwl_set_bit(trans, reg, mask); - spin_unlock_irqrestore(&trans->reg_lock, flags); -} -EXPORT_SYMBOL_GPL(iwl_set_bit); - -void iwl_clear_bit(struct iwl_trans *trans, u32 reg, u32 mask) -{ - unsigned long flags; - - spin_lock_irqsave(&trans->reg_lock, flags); - __iwl_clear_bit(trans, reg, mask); - spin_unlock_irqrestore(&trans->reg_lock, flags); -} -EXPORT_SYMBOL_GPL(iwl_clear_bit); - -void iwl_set_bits_mask(struct iwl_trans *trans, u32 reg, u32 mask, u32 value) -{ - unsigned long flags; - u32 v; - -#ifdef CONFIG_IWLWIFI_DEBUG - WARN_ON_ONCE(value & ~mask); -#endif - - spin_lock_irqsave(&trans->reg_lock, flags); - v = iwl_read32(trans, reg); - v &= ~mask; - v |= value; - iwl_write32(trans, reg, v); - spin_unlock_irqrestore(&trans->reg_lock, flags); -} -EXPORT_SYMBOL_GPL(iwl_set_bits_mask); - int iwl_poll_bit(struct iwl_trans *trans, u32 addr, u32 bits, u32 mask, int timeout) { @@ -103,13 +55,10 @@ u32 iwl_read_direct32(struct iwl_trans *trans, u32 reg) { u32 value = 0x5a5a5a5a; unsigned long flags; - - spin_lock_irqsave(&trans->reg_lock, flags); - if (iwl_trans_grab_nic_access(trans, false)) { + if (iwl_trans_grab_nic_access(trans, false, &flags)) { value = iwl_read32(trans, reg); - iwl_trans_release_nic_access(trans); + iwl_trans_release_nic_access(trans, &flags); } - spin_unlock_irqrestore(&trans->reg_lock, flags); return value; } @@ -119,12 +68,10 @@ void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value) { unsigned long flags; - spin_lock_irqsave(&trans->reg_lock, flags); - if (iwl_trans_grab_nic_access(trans, false)) { + if (iwl_trans_grab_nic_access(trans, false, &flags)) { iwl_write32(trans, reg, value); - iwl_trans_release_nic_access(trans); + iwl_trans_release_nic_access(trans, &flags); } - spin_unlock_irqrestore(&trans->reg_lock, flags); } EXPORT_SYMBOL_GPL(iwl_write_direct32); @@ -162,12 +109,10 @@ u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs) unsigned long flags; u32 val = 0x5a5a5a5a; - spin_lock_irqsave(&trans->reg_lock, flags); - if (iwl_trans_grab_nic_access(trans, false)) { + if (iwl_trans_grab_nic_access(trans, false, &flags)) { val = __iwl_read_prph(trans, ofs); - iwl_trans_release_nic_access(trans); + iwl_trans_release_nic_access(trans, &flags); } - spin_unlock_irqrestore(&trans->reg_lock, flags); return val; } EXPORT_SYMBOL_GPL(iwl_read_prph); @@ -176,12 +121,10 @@ void iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val) { unsigned long flags; - spin_lock_irqsave(&trans->reg_lock, flags); - if (iwl_trans_grab_nic_access(trans, false)) { + if (iwl_trans_grab_nic_access(trans, false, &flags)) { __iwl_write_prph(trans, ofs, val); - iwl_trans_release_nic_access(trans); + iwl_trans_release_nic_access(trans, &flags); } - spin_unlock_irqrestore(&trans->reg_lock, flags); } EXPORT_SYMBOL_GPL(iwl_write_prph); @@ -189,13 +132,11 @@ void iwl_set_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask) { unsigned long flags; - spin_lock_irqsave(&trans->reg_lock, flags); - if (iwl_trans_grab_nic_access(trans, false)) { + if (iwl_trans_grab_nic_access(trans, false, &flags)) { __iwl_write_prph(trans, ofs, __iwl_read_prph(trans, ofs) | mask); - iwl_trans_release_nic_access(trans); + iwl_trans_release_nic_access(trans, &flags); } - spin_unlock_irqrestore(&trans->reg_lock, flags); } EXPORT_SYMBOL_GPL(iwl_set_bits_prph); @@ -204,13 +145,11 @@ void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 ofs, { unsigned long flags; - spin_lock_irqsave(&trans->reg_lock, flags); - if (iwl_trans_grab_nic_access(trans, false)) { + if (iwl_trans_grab_nic_access(trans, false, &flags)) { __iwl_write_prph(trans, ofs, (__iwl_read_prph(trans, ofs) & mask) | bits); - iwl_trans_release_nic_access(trans); + iwl_trans_release_nic_access(trans, &flags); } - spin_unlock_irqrestore(&trans->reg_lock, flags); } EXPORT_SYMBOL_GPL(iwl_set_bits_mask_prph); @@ -219,12 +158,10 @@ void iwl_clear_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask) unsigned long flags; u32 val; - spin_lock_irqsave(&trans->reg_lock, flags); - if (iwl_trans_grab_nic_access(trans, false)) { + if (iwl_trans_grab_nic_access(trans, false, &flags)) { val = __iwl_read_prph(trans, ofs); __iwl_write_prph(trans, ofs, (val & ~mask)); - iwl_trans_release_nic_access(trans); + iwl_trans_release_nic_access(trans, &flags); } - spin_unlock_irqrestore(&trans->reg_lock, flags); } EXPORT_SYMBOL_GPL(iwl_clear_bits_prph); diff --git a/drivers/net/wireless/iwlwifi/iwl-io.h b/drivers/net/wireless/iwlwifi/iwl-io.h index dc478068596b..fd9f5b97fff3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-io.h +++ b/drivers/net/wireless/iwlwifi/iwl-io.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project. * @@ -51,12 +51,15 @@ static inline u32 iwl_read32(struct iwl_trans *trans, u32 ofs) return val; } -void iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask); -void iwl_clear_bit(struct iwl_trans *trans, u32 reg, u32 mask); -void __iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask); -void __iwl_clear_bit(struct iwl_trans *trans, u32 reg, u32 mask); +static inline void iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask) +{ + iwl_trans_set_bits_mask(trans, reg, mask, mask); +} -void iwl_set_bits_mask(struct iwl_trans *trans, u32 reg, u32 mask, u32 value); +static inline void iwl_clear_bit(struct iwl_trans *trans, u32 reg, u32 mask) +{ + iwl_trans_set_bits_mask(trans, reg, mask, 0); +} int iwl_poll_bit(struct iwl_trans *trans, u32 addr, u32 bits, u32 mask, int timeout); diff --git a/drivers/net/wireless/iwlwifi/iwl-modparams.h b/drivers/net/wireless/iwlwifi/iwl-modparams.h index d9a86d6b2bd7..e5e3a79eae2f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-modparams.h +++ b/drivers/net/wireless/iwlwifi/iwl-modparams.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/iwl-notif-wait.c b/drivers/net/wireless/iwlwifi/iwl-notif-wait.c index c61f2070f15a..c3affbc62cdf 100644 --- a/drivers/net/wireless/iwlwifi/iwl-notif-wait.c +++ b/drivers/net/wireless/iwlwifi/iwl-notif-wait.c @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/iwl-notif-wait.h b/drivers/net/wireless/iwlwifi/iwl-notif-wait.h index 821523100cf1..c2ce764463a3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-notif-wait.h +++ b/drivers/net/wireless/iwlwifi/iwl-notif-wait.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c new file mode 100644 index 000000000000..a70213bdb83c --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c @@ -0,0 +1,346 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ +#include <linux/types.h> +#include <linux/slab.h> +#include <linux/export.h> +#include "iwl-modparams.h" +#include "iwl-nvm-parse.h" + +/* NVM offsets (in words) definitions */ +enum wkp_nvm_offsets { + /* NVM HW-Section offset (in words) definitions */ + HW_ADDR = 0x15, + +/* NVM SW-Section offset (in words) definitions */ + NVM_SW_SECTION = 0x1C0, + NVM_VERSION = 0, + RADIO_CFG = 1, + SKU = 2, + N_HW_ADDRS = 3, + NVM_CHANNELS = 0x1E0 - NVM_SW_SECTION, + +/* NVM calibration section offset (in words) definitions */ + NVM_CALIB_SECTION = 0x2B8, + XTAL_CALIB = 0x316 - NVM_CALIB_SECTION +}; + +/* SKU Capabilities (actual values from NVM definition) */ +enum nvm_sku_bits { + NVM_SKU_CAP_BAND_24GHZ = BIT(0), + NVM_SKU_CAP_BAND_52GHZ = BIT(1), + NVM_SKU_CAP_11N_ENABLE = BIT(2), +}; + +/* radio config bits (actual values from NVM definition) */ +#define NVM_RF_CFG_DASH_MSK(x) (x & 0x3) /* bits 0-1 */ +#define NVM_RF_CFG_STEP_MSK(x) ((x >> 2) & 0x3) /* bits 2-3 */ +#define NVM_RF_CFG_TYPE_MSK(x) ((x >> 4) & 0x3) /* bits 4-5 */ +#define NVM_RF_CFG_PNUM_MSK(x) ((x >> 6) & 0x3) /* bits 6-7 */ +#define NVM_RF_CFG_TX_ANT_MSK(x) ((x >> 8) & 0xF) /* bits 8-11 */ +#define NVM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */ + +/* + * These are the channel numbers in the order that they are stored in the NVM + */ +static const u8 iwl_nvm_channels[] = { + /* 2.4 GHz */ + 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + /* 5 GHz */ + 36, 40, 44 , 48, 52, 56, 60, 64, + 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, + 149, 153, 157, 161, 165 +}; + +#define IWL_NUM_CHANNELS ARRAY_SIZE(iwl_nvm_channels) +#define NUM_2GHZ_CHANNELS 14 +#define FIRST_2GHZ_HT_MINUS 5 +#define LAST_2GHZ_HT_PLUS 9 +#define LAST_5GHZ_HT 161 + + +/* rate data (static) */ +static struct ieee80211_rate iwl_cfg80211_rates[] = { + { .bitrate = 1 * 10, .hw_value = 0, .hw_value_short = 0, }, + { .bitrate = 2 * 10, .hw_value = 1, .hw_value_short = 1, + .flags = IEEE80211_RATE_SHORT_PREAMBLE, }, + { .bitrate = 5.5 * 10, .hw_value = 2, .hw_value_short = 2, + .flags = IEEE80211_RATE_SHORT_PREAMBLE, }, + { .bitrate = 11 * 10, .hw_value = 3, .hw_value_short = 3, + .flags = IEEE80211_RATE_SHORT_PREAMBLE, }, + { .bitrate = 6 * 10, .hw_value = 4, .hw_value_short = 4, }, + { .bitrate = 9 * 10, .hw_value = 5, .hw_value_short = 5, }, + { .bitrate = 12 * 10, .hw_value = 6, .hw_value_short = 6, }, + { .bitrate = 18 * 10, .hw_value = 7, .hw_value_short = 7, }, + { .bitrate = 24 * 10, .hw_value = 8, .hw_value_short = 8, }, + { .bitrate = 36 * 10, .hw_value = 9, .hw_value_short = 9, }, + { .bitrate = 48 * 10, .hw_value = 10, .hw_value_short = 10, }, + { .bitrate = 54 * 10, .hw_value = 11, .hw_value_short = 11, }, +}; +#define RATES_24_OFFS 0 +#define N_RATES_24 ARRAY_SIZE(iwl_cfg80211_rates) +#define RATES_52_OFFS 4 +#define N_RATES_52 (N_RATES_24 - RATES_52_OFFS) + +/** + * enum iwl_nvm_channel_flags - channel flags in NVM + * @NVM_CHANNEL_VALID: channel is usable for this SKU/geo + * @NVM_CHANNEL_IBSS: usable as an IBSS channel + * @NVM_CHANNEL_ACTIVE: active scanning allowed + * @NVM_CHANNEL_RADAR: radar detection required + * @NVM_CHANNEL_DFS: dynamic freq selection candidate + * @NVM_CHANNEL_WIDE: 20 MHz channel okay (?) + * @NVM_CHANNEL_40MHZ: 40 MHz channel okay (?) + */ +enum iwl_nvm_channel_flags { + NVM_CHANNEL_VALID = BIT(0), + NVM_CHANNEL_IBSS = BIT(1), + NVM_CHANNEL_ACTIVE = BIT(3), + NVM_CHANNEL_RADAR = BIT(4), + NVM_CHANNEL_DFS = BIT(7), + NVM_CHANNEL_WIDE = BIT(8), + NVM_CHANNEL_40MHZ = BIT(9), +}; + +#define CHECK_AND_PRINT_I(x) \ + ((ch_flags & NVM_CHANNEL_##x) ? # x " " : "") + +static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, + struct iwl_nvm_data *data, + const __le16 * const nvm_ch_flags) +{ + int ch_idx; + int n_channels = 0; + struct ieee80211_channel *channel; + u16 ch_flags; + bool is_5ghz; + + for (ch_idx = 0; ch_idx < IWL_NUM_CHANNELS; ch_idx++) { + ch_flags = __le16_to_cpup(nvm_ch_flags + ch_idx); + if (!(ch_flags & NVM_CHANNEL_VALID)) { + IWL_DEBUG_EEPROM(dev, + "Ch. %d Flags %x [%sGHz] - No traffic\n", + iwl_nvm_channels[ch_idx], + ch_flags, + (ch_idx >= NUM_2GHZ_CHANNELS) ? + "5.2" : "2.4"); + continue; + } + + channel = &data->channels[n_channels]; + n_channels++; + + channel->hw_value = iwl_nvm_channels[ch_idx]; + channel->band = (ch_idx < NUM_2GHZ_CHANNELS) ? + IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; + channel->center_freq = + ieee80211_channel_to_frequency( + channel->hw_value, channel->band); + + /* TODO: Need to be dependent to the NVM */ + channel->flags = IEEE80211_CHAN_NO_HT40; + if (ch_idx < NUM_2GHZ_CHANNELS && + (ch_flags & NVM_CHANNEL_40MHZ)) { + if (iwl_nvm_channels[ch_idx] <= LAST_2GHZ_HT_PLUS) + channel->flags &= ~IEEE80211_CHAN_NO_HT40PLUS; + if (iwl_nvm_channels[ch_idx] >= FIRST_2GHZ_HT_MINUS) + channel->flags &= ~IEEE80211_CHAN_NO_HT40MINUS; + } else if (iwl_nvm_channels[ch_idx] <= LAST_5GHZ_HT && + (ch_flags & NVM_CHANNEL_40MHZ)) { + if ((ch_idx - NUM_2GHZ_CHANNELS) % 2 == 0) + channel->flags &= ~IEEE80211_CHAN_NO_HT40PLUS; + else + channel->flags &= ~IEEE80211_CHAN_NO_HT40MINUS; + } + + if (!(ch_flags & NVM_CHANNEL_IBSS)) + channel->flags |= IEEE80211_CHAN_NO_IBSS; + + if (!(ch_flags & NVM_CHANNEL_ACTIVE)) + channel->flags |= IEEE80211_CHAN_PASSIVE_SCAN; + + if (ch_flags & NVM_CHANNEL_RADAR) + channel->flags |= IEEE80211_CHAN_RADAR; + + /* Initialize regulatory-based run-time data */ + + /* TODO: read the real value from the NVM */ + channel->max_power = 0; + is_5ghz = channel->band == IEEE80211_BAND_5GHZ; + IWL_DEBUG_EEPROM(dev, + "Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x %ddBm): Ad-Hoc %ssupported\n", + channel->hw_value, + is_5ghz ? "5.2" : "2.4", + CHECK_AND_PRINT_I(VALID), + CHECK_AND_PRINT_I(IBSS), + CHECK_AND_PRINT_I(ACTIVE), + CHECK_AND_PRINT_I(RADAR), + CHECK_AND_PRINT_I(WIDE), + CHECK_AND_PRINT_I(DFS), + ch_flags, + channel->max_power, + ((ch_flags & NVM_CHANNEL_IBSS) && + !(ch_flags & NVM_CHANNEL_RADAR)) + ? "" : "not "); + } + + return n_channels; +} + +static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, + struct iwl_nvm_data *data, const __le16 *nvm_sw) +{ + int n_channels = iwl_init_channel_map(dev, cfg, data, + &nvm_sw[NVM_CHANNELS]); + int n_used = 0; + struct ieee80211_supported_band *sband; + + sband = &data->bands[IEEE80211_BAND_2GHZ]; + sband->band = IEEE80211_BAND_2GHZ; + sband->bitrates = &iwl_cfg80211_rates[RATES_24_OFFS]; + sband->n_bitrates = N_RATES_24; + n_used += iwl_init_sband_channels(data, sband, n_channels, + IEEE80211_BAND_2GHZ); + iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_2GHZ); + + sband = &data->bands[IEEE80211_BAND_5GHZ]; + sband->band = IEEE80211_BAND_5GHZ; + sband->bitrates = &iwl_cfg80211_rates[RATES_52_OFFS]; + sband->n_bitrates = N_RATES_52; + n_used += iwl_init_sband_channels(data, sband, n_channels, + IEEE80211_BAND_5GHZ); + iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ); + + if (n_channels != n_used) + IWL_ERR_DEV(dev, "NVM: used only %d of %d channels\n", + n_used, n_channels); +} + +struct iwl_nvm_data * +iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg, + const __le16 *nvm_hw, const __le16 *nvm_sw, + const __le16 *nvm_calib) +{ + struct iwl_nvm_data *data; + u8 hw_addr[ETH_ALEN]; + u16 radio_cfg, sku; + + data = kzalloc(sizeof(*data) + + sizeof(struct ieee80211_channel) * IWL_NUM_CHANNELS, + GFP_KERNEL); + if (!data) + return NULL; + + data->nvm_version = le16_to_cpup(nvm_sw + NVM_VERSION); + + radio_cfg = le16_to_cpup(nvm_sw + RADIO_CFG); + data->radio_cfg_type = NVM_RF_CFG_TYPE_MSK(radio_cfg); + data->radio_cfg_step = NVM_RF_CFG_STEP_MSK(radio_cfg); + data->radio_cfg_dash = NVM_RF_CFG_DASH_MSK(radio_cfg); + data->radio_cfg_pnum = NVM_RF_CFG_PNUM_MSK(radio_cfg); + data->valid_tx_ant = NVM_RF_CFG_TX_ANT_MSK(radio_cfg); + data->valid_rx_ant = NVM_RF_CFG_RX_ANT_MSK(radio_cfg); + + sku = le16_to_cpup(nvm_sw + SKU); + data->sku_cap_band_24GHz_enable = sku & NVM_SKU_CAP_BAND_24GHZ; + data->sku_cap_band_52GHz_enable = sku & NVM_SKU_CAP_BAND_52GHZ; + data->sku_cap_11n_enable = sku & NVM_SKU_CAP_11N_ENABLE; + if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL) + data->sku_cap_11n_enable = false; + + /* check overrides (some devices have wrong NVM) */ + if (cfg->valid_tx_ant) + data->valid_tx_ant = cfg->valid_tx_ant; + if (cfg->valid_rx_ant) + data->valid_rx_ant = cfg->valid_rx_ant; + + if (!data->valid_tx_ant || !data->valid_rx_ant) { + IWL_ERR_DEV(dev, "invalid antennas (0x%x, 0x%x)\n", + data->valid_tx_ant, data->valid_rx_ant); + kfree(data); + return NULL; + } + + data->n_hw_addrs = le16_to_cpup(nvm_sw + N_HW_ADDRS); + + data->xtal_calib[0] = *(nvm_calib + XTAL_CALIB); + data->xtal_calib[1] = *(nvm_calib + XTAL_CALIB + 1); + + /* The byte order is little endian 16 bit, meaning 214365 */ + memcpy(hw_addr, nvm_hw + HW_ADDR, ETH_ALEN); + data->hw_addr[0] = hw_addr[1]; + data->hw_addr[1] = hw_addr[0]; + data->hw_addr[2] = hw_addr[3]; + data->hw_addr[3] = hw_addr[2]; + data->hw_addr[4] = hw_addr[5]; + data->hw_addr[5] = hw_addr[4]; + + iwl_init_sbands(dev, cfg, data, nvm_sw); + + data->calib_version = 255; /* TODO: + this value will prevent some checks from + failing, we need to check if this + field is still needed, and if it does, + where is it in the NVM*/ + + return data; +} +EXPORT_SYMBOL_GPL(iwl_parse_nvm_data); diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.h b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.h new file mode 100644 index 000000000000..b2692bd287fa --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.h @@ -0,0 +1,80 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ +#ifndef __iwl_nvm_parse_h__ +#define __iwl_nvm_parse_h__ + +#include "iwl-eeprom-parse.h" + +/** + * iwl_parse_nvm_data - parse NVM data and return values + * + * This function parses all NVM values we need and then + * returns a (newly allocated) struct containing all the + * relevant values for driver use. The struct must be freed + * later with iwl_free_nvm_data(). + */ +struct iwl_nvm_data * +iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg, + const __le16 *nvm_hw, const __le16 *nvm_sw, + const __le16 *nvm_calib); + +#endif /* __iwl_nvm_parse_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-op-mode.h b/drivers/net/wireless/iwlwifi/iwl-op-mode.h index c8d9b9517468..dc792584f401 100644 --- a/drivers/net/wireless/iwlwifi/iwl-op-mode.h +++ b/drivers/net/wireless/iwlwifi/iwl-op-mode.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -63,6 +63,8 @@ #ifndef __iwl_op_mode_h__ #define __iwl_op_mode_h__ +#include <linux/debugfs.h> + struct iwl_op_mode; struct iwl_trans; struct sk_buff; diff --git a/drivers/net/wireless/iwlwifi/iwl-phy-db.c b/drivers/net/wireless/iwlwifi/iwl-phy-db.c new file mode 100644 index 000000000000..14fc8d39fc28 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-phy-db.c @@ -0,0 +1,514 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/export.h> + +#include "iwl-phy-db.h" +#include "iwl-debug.h" +#include "iwl-op-mode.h" +#include "iwl-trans.h" + +#define CHANNEL_NUM_SIZE 4 /* num of channels in calib_ch size */ +#define IWL_NUM_PAPD_CH_GROUPS 4 +#define IWL_NUM_TXP_CH_GROUPS 9 + +struct iwl_phy_db_entry { + u16 size; + u8 *data; +}; + +/** + * struct iwl_phy_db - stores phy configuration and calibration data. + * + * @cfg: phy configuration. + * @calib_nch: non channel specific calibration data. + * @calib_ch: channel specific calibration data. + * @calib_ch_group_papd: calibration data related to papd channel group. + * @calib_ch_group_txp: calibration data related to tx power chanel group. + */ +struct iwl_phy_db { + struct iwl_phy_db_entry cfg; + struct iwl_phy_db_entry calib_nch; + struct iwl_phy_db_entry calib_ch; + struct iwl_phy_db_entry calib_ch_group_papd[IWL_NUM_PAPD_CH_GROUPS]; + struct iwl_phy_db_entry calib_ch_group_txp[IWL_NUM_TXP_CH_GROUPS]; + + u32 channel_num; + u32 channel_size; + + struct iwl_trans *trans; +}; + +enum iwl_phy_db_section_type { + IWL_PHY_DB_CFG = 1, + IWL_PHY_DB_CALIB_NCH, + IWL_PHY_DB_CALIB_CH, + IWL_PHY_DB_CALIB_CHG_PAPD, + IWL_PHY_DB_CALIB_CHG_TXP, + IWL_PHY_DB_MAX +}; + +#define PHY_DB_CMD 0x6c /* TEMP API - The actual is 0x8c */ + +/* + * phy db - configure operational ucode + */ +struct iwl_phy_db_cmd { + __le16 type; + __le16 length; + u8 data[]; +} __packed; + +/* for parsing of tx power channel group data that comes from the firmware*/ +struct iwl_phy_db_chg_txp { + __le32 space; + __le16 max_channel_idx; +} __packed; + +/* + * phy db - Receieve phy db chunk after calibrations + */ +struct iwl_calib_res_notif_phy_db { + __le16 type; + __le16 length; + u8 data[]; +} __packed; + +#define IWL_PHY_DB_STATIC_PIC cpu_to_le32(0x21436587) +static inline void iwl_phy_db_test_pic(__le32 pic) +{ + WARN_ON(IWL_PHY_DB_STATIC_PIC != pic); +} + +struct iwl_phy_db *iwl_phy_db_init(struct iwl_trans *trans) +{ + struct iwl_phy_db *phy_db = kzalloc(sizeof(struct iwl_phy_db), + GFP_KERNEL); + + if (!phy_db) + return phy_db; + + phy_db->trans = trans; + + /* TODO: add default values of the phy db. */ + return phy_db; +} +EXPORT_SYMBOL(iwl_phy_db_init); + +/* + * get phy db section: returns a pointer to a phy db section specified by + * type and channel group id. + */ +static struct iwl_phy_db_entry * +iwl_phy_db_get_section(struct iwl_phy_db *phy_db, + enum iwl_phy_db_section_type type, + u16 chg_id) +{ + if (!phy_db || type >= IWL_PHY_DB_MAX) + return NULL; + + switch (type) { + case IWL_PHY_DB_CFG: + return &phy_db->cfg; + case IWL_PHY_DB_CALIB_NCH: + return &phy_db->calib_nch; + case IWL_PHY_DB_CALIB_CH: + return &phy_db->calib_ch; + case IWL_PHY_DB_CALIB_CHG_PAPD: + if (chg_id >= IWL_NUM_PAPD_CH_GROUPS) + return NULL; + return &phy_db->calib_ch_group_papd[chg_id]; + case IWL_PHY_DB_CALIB_CHG_TXP: + if (chg_id >= IWL_NUM_TXP_CH_GROUPS) + return NULL; + return &phy_db->calib_ch_group_txp[chg_id]; + default: + return NULL; + } + return NULL; +} + +static void iwl_phy_db_free_section(struct iwl_phy_db *phy_db, + enum iwl_phy_db_section_type type, + u16 chg_id) +{ + struct iwl_phy_db_entry *entry = + iwl_phy_db_get_section(phy_db, type, chg_id); + if (!entry) + return; + + kfree(entry->data); + entry->data = NULL; + entry->size = 0; +} + +void iwl_phy_db_free(struct iwl_phy_db *phy_db) +{ + int i; + + if (!phy_db) + return; + + iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CFG, 0); + iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_NCH, 0); + iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_CH, 0); + for (i = 0; i < IWL_NUM_PAPD_CH_GROUPS; i++) + iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_CHG_PAPD, i); + for (i = 0; i < IWL_NUM_TXP_CH_GROUPS; i++) + iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_CHG_TXP, i); + + kfree(phy_db); +} +EXPORT_SYMBOL(iwl_phy_db_free); + +int iwl_phy_db_set_section(struct iwl_phy_db *phy_db, struct iwl_rx_packet *pkt, + gfp_t alloc_ctx) +{ + struct iwl_calib_res_notif_phy_db *phy_db_notif = + (struct iwl_calib_res_notif_phy_db *)pkt->data; + enum iwl_phy_db_section_type type = le16_to_cpu(phy_db_notif->type); + u16 size = le16_to_cpu(phy_db_notif->length); + struct iwl_phy_db_entry *entry; + u16 chg_id = 0; + + if (!phy_db) + return -EINVAL; + + if (type == IWL_PHY_DB_CALIB_CHG_PAPD || + type == IWL_PHY_DB_CALIB_CHG_TXP) + chg_id = le16_to_cpup((__le16 *)phy_db_notif->data); + + entry = iwl_phy_db_get_section(phy_db, type, chg_id); + if (!entry) + return -EINVAL; + + kfree(entry->data); + entry->data = kmemdup(phy_db_notif->data, size, alloc_ctx); + if (!entry->data) { + entry->size = 0; + return -ENOMEM; + } + + entry->size = size; + + if (type == IWL_PHY_DB_CALIB_CH) { + phy_db->channel_num = + le32_to_cpup((__le32 *)phy_db_notif->data); + phy_db->channel_size = + (size - CHANNEL_NUM_SIZE) / phy_db->channel_num; + } + + /* Test PIC */ + if (type != IWL_PHY_DB_CFG) + iwl_phy_db_test_pic(*(((__le32 *)phy_db_notif->data) + + (size / sizeof(__le32)) - 1)); + + IWL_DEBUG_INFO(phy_db->trans, + "%s(%d): [PHYDB]SET: Type %d , Size: %d\n", + __func__, __LINE__, type, size); + + return 0; +} +EXPORT_SYMBOL(iwl_phy_db_set_section); + +static int is_valid_channel(u16 ch_id) +{ + if (ch_id <= 14 || + (36 <= ch_id && ch_id <= 64 && ch_id % 4 == 0) || + (100 <= ch_id && ch_id <= 140 && ch_id % 4 == 0) || + (145 <= ch_id && ch_id <= 165 && ch_id % 4 == 1)) + return 1; + return 0; +} + +static u8 ch_id_to_ch_index(u16 ch_id) +{ + if (WARN_ON(!is_valid_channel(ch_id))) + return 0xff; + + if (ch_id <= 14) + return ch_id - 1; + if (ch_id <= 64) + return (ch_id + 20) / 4; + if (ch_id <= 140) + return (ch_id - 12) / 4; + return (ch_id - 13) / 4; +} + + +static u16 channel_id_to_papd(u16 ch_id) +{ + if (WARN_ON(!is_valid_channel(ch_id))) + return 0xff; + + if (1 <= ch_id && ch_id <= 14) + return 0; + if (36 <= ch_id && ch_id <= 64) + return 1; + if (100 <= ch_id && ch_id <= 140) + return 2; + return 3; +} + +static u16 channel_id_to_txp(struct iwl_phy_db *phy_db, u16 ch_id) +{ + struct iwl_phy_db_chg_txp *txp_chg; + int i; + u8 ch_index = ch_id_to_ch_index(ch_id); + if (ch_index == 0xff) + return 0xff; + + for (i = 0; i < IWL_NUM_TXP_CH_GROUPS; i++) { + txp_chg = (void *)phy_db->calib_ch_group_txp[i].data; + if (!txp_chg) + return 0xff; + /* + * Looking for the first channel group that its max channel is + * higher then wanted channel. + */ + if (le16_to_cpu(txp_chg->max_channel_idx) >= ch_index) + return i; + } + return 0xff; +} +static +int iwl_phy_db_get_section_data(struct iwl_phy_db *phy_db, + u32 type, u8 **data, u16 *size, u16 ch_id) +{ + struct iwl_phy_db_entry *entry; + u32 channel_num; + u32 channel_size; + u16 ch_group_id = 0; + u16 index; + + if (!phy_db) + return -EINVAL; + + /* find wanted channel group */ + if (type == IWL_PHY_DB_CALIB_CHG_PAPD) + ch_group_id = channel_id_to_papd(ch_id); + else if (type == IWL_PHY_DB_CALIB_CHG_TXP) + ch_group_id = channel_id_to_txp(phy_db, ch_id); + + entry = iwl_phy_db_get_section(phy_db, type, ch_group_id); + if (!entry) + return -EINVAL; + + if (type == IWL_PHY_DB_CALIB_CH) { + index = ch_id_to_ch_index(ch_id); + channel_num = phy_db->channel_num; + channel_size = phy_db->channel_size; + if (index >= channel_num) { + IWL_ERR(phy_db->trans, "Wrong channel number %d\n", + ch_id); + return -EINVAL; + } + *data = entry->data + CHANNEL_NUM_SIZE + index * channel_size; + *size = channel_size; + } else { + *data = entry->data; + *size = entry->size; + } + + /* Test PIC */ + if (type != IWL_PHY_DB_CFG) + iwl_phy_db_test_pic(*(((__le32 *)*data) + + (*size / sizeof(__le32)) - 1)); + + IWL_DEBUG_INFO(phy_db->trans, + "%s(%d): [PHYDB] GET: Type %d , Size: %d\n", + __func__, __LINE__, type, *size); + + return 0; +} + +static int iwl_send_phy_db_cmd(struct iwl_phy_db *phy_db, u16 type, + u16 length, void *data) +{ + struct iwl_phy_db_cmd phy_db_cmd; + struct iwl_host_cmd cmd = { + .id = PHY_DB_CMD, + .flags = CMD_SYNC, + }; + + IWL_DEBUG_INFO(phy_db->trans, + "Sending PHY-DB hcmd of type %d, of length %d\n", + type, length); + + /* Set phy db cmd variables */ + phy_db_cmd.type = cpu_to_le16(type); + phy_db_cmd.length = cpu_to_le16(length); + + /* Set hcmd variables */ + cmd.data[0] = &phy_db_cmd; + cmd.len[0] = sizeof(struct iwl_phy_db_cmd); + cmd.data[1] = data; + cmd.len[1] = length; + cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; + + return iwl_trans_send_cmd(phy_db->trans, &cmd); +} + +static int iwl_phy_db_send_all_channel_groups( + struct iwl_phy_db *phy_db, + enum iwl_phy_db_section_type type, + u8 max_ch_groups) +{ + u16 i; + int err; + struct iwl_phy_db_entry *entry; + + /* Send all the channel specific groups to operational fw */ + for (i = 0; i < max_ch_groups; i++) { + entry = iwl_phy_db_get_section(phy_db, + type, + i); + if (!entry) + return -EINVAL; + + /* Send the requested PHY DB section */ + err = iwl_send_phy_db_cmd(phy_db, + type, + entry->size, + entry->data); + if (err) { + IWL_ERR(phy_db->trans, + "Can't SEND phy_db section %d (%d), err %d", + type, i, err); + return err; + } + + IWL_DEBUG_INFO(phy_db->trans, + "Sent PHY_DB HCMD, type = %d num = %d", + type, i); + } + + return 0; +} + +int iwl_send_phy_db_data(struct iwl_phy_db *phy_db) +{ + u8 *data = NULL; + u16 size = 0; + int err; + + IWL_DEBUG_INFO(phy_db->trans, + "Sending phy db data and configuration to runtime image\n"); + + /* Send PHY DB CFG section */ + err = iwl_phy_db_get_section_data(phy_db, IWL_PHY_DB_CFG, + &data, &size, 0); + if (err) { + IWL_ERR(phy_db->trans, "Cannot get Phy DB cfg section\n"); + return err; + } + + err = iwl_send_phy_db_cmd(phy_db, IWL_PHY_DB_CFG, size, data); + if (err) { + IWL_ERR(phy_db->trans, + "Cannot send HCMD of Phy DB cfg section\n"); + return err; + } + + err = iwl_phy_db_get_section_data(phy_db, IWL_PHY_DB_CALIB_NCH, + &data, &size, 0); + if (err) { + IWL_ERR(phy_db->trans, + "Cannot get Phy DB non specific channel section\n"); + return err; + } + + err = iwl_send_phy_db_cmd(phy_db, IWL_PHY_DB_CALIB_NCH, size, data); + if (err) { + IWL_ERR(phy_db->trans, + "Cannot send HCMD of Phy DB non specific channel section\n"); + return err; + } + + /* Send all the TXP channel specific data */ + err = iwl_phy_db_send_all_channel_groups(phy_db, + IWL_PHY_DB_CALIB_CHG_PAPD, + IWL_NUM_PAPD_CH_GROUPS); + if (err) { + IWL_ERR(phy_db->trans, + "Cannot send channel specific PAPD groups"); + return err; + } + + /* Send all the TXP channel specific data */ + err = iwl_phy_db_send_all_channel_groups(phy_db, + IWL_PHY_DB_CALIB_CHG_TXP, + IWL_NUM_TXP_CH_GROUPS); + if (err) { + IWL_ERR(phy_db->trans, + "Cannot send channel specific TX power groups"); + return err; + } + + IWL_DEBUG_INFO(phy_db->trans, + "Finished sending phy db non channel data\n"); + return 0; +} +EXPORT_SYMBOL(iwl_send_phy_db_data); diff --git a/drivers/net/wireless/iwlwifi/iwl-phy-db.h b/drivers/net/wireless/iwlwifi/iwl-phy-db.h new file mode 100644 index 000000000000..d0e43d96ab38 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-phy-db.h @@ -0,0 +1,82 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#ifndef __IWL_PHYDB_H__ +#define __IWL_PHYDB_H__ + +#include <linux/types.h> + +#include "iwl-op-mode.h" +#include "iwl-trans.h" + +struct iwl_phy_db *iwl_phy_db_init(struct iwl_trans *trans); + +void iwl_phy_db_free(struct iwl_phy_db *phy_db); + +int iwl_phy_db_set_section(struct iwl_phy_db *phy_db, struct iwl_rx_packet *pkt, + gfp_t alloc_ctx); + + +int iwl_send_phy_db_data(struct iwl_phy_db *phy_db); + +#endif /* __IWL_PHYDB_H__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h index c3a4bb41e533..f76e9cad7757 100644 --- a/drivers/net/wireless/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/iwlwifi/iwl-prph.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -97,6 +97,9 @@ #define APMG_PCIDEV_STT_VAL_L1_ACT_DIS (0x00000800) +/* Device system time */ +#define DEVICE_SYSTEM_TIME_REG 0xA0206C + /** * Tx Scheduler * diff --git a/drivers/net/wireless/iwlwifi/iwl-test.c b/drivers/net/wireless/iwlwifi/iwl-test.c index 1a226114fe73..ce0c67b425ee 100644 --- a/drivers/net/wireless/iwlwifi/iwl-test.c +++ b/drivers/net/wireless/iwlwifi/iwl-test.c @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2010 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2010 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -466,9 +466,7 @@ static int iwl_test_indirect_read(struct iwl_test *tst, u32 addr, u32 size) /* Hard-coded periphery absolute address */ if (IWL_ABS_PRPH_START <= addr && addr < IWL_ABS_PRPH_START + PRPH_END) { - spin_lock_irqsave(&trans->reg_lock, flags); - if (!iwl_trans_grab_nic_access(trans, false)) { - spin_unlock_irqrestore(&trans->reg_lock, flags); + if (!iwl_trans_grab_nic_access(trans, false, &flags)) { return -EIO; } iwl_write32(trans, HBUS_TARG_PRPH_RADDR, @@ -476,8 +474,7 @@ static int iwl_test_indirect_read(struct iwl_test *tst, u32 addr, u32 size) for (i = 0; i < size; i += 4) *(u32 *)(tst->mem.addr + i) = iwl_read32(trans, HBUS_TARG_PRPH_RDAT); - iwl_trans_release_nic_access(trans); - spin_unlock_irqrestore(&trans->reg_lock, flags); + iwl_trans_release_nic_access(trans, &flags); } else { /* target memory (SRAM) */ iwl_trans_read_mem(trans, addr, tst->mem.addr, tst->mem.size / 4); @@ -506,19 +503,13 @@ static int iwl_test_indirect_write(struct iwl_test *tst, u32 addr, /* Periphery writes can be 1-3 bytes long, or DWORDs */ if (size < 4) { memcpy(&val, buf, size); - spin_lock_irqsave(&trans->reg_lock, flags); - if (!iwl_trans_grab_nic_access(trans, false)) { - spin_unlock_irqrestore(&trans->reg_lock, flags); + if (!iwl_trans_grab_nic_access(trans, false, &flags)) return -EIO; - } iwl_write32(trans, HBUS_TARG_PRPH_WADDR, (addr & 0x0000FFFF) | ((size - 1) << 24)); iwl_write32(trans, HBUS_TARG_PRPH_WDAT, val); - iwl_trans_release_nic_access(trans); - /* needed after consecutive writes w/o read */ - mmiowb(); - spin_unlock_irqrestore(&trans->reg_lock, flags); + iwl_trans_release_nic_access(trans, &flags); } else { if (size % 4) return -EINVAL; diff --git a/drivers/net/wireless/iwlwifi/iwl-test.h b/drivers/net/wireless/iwlwifi/iwl-test.h index e13ffa8acc02..7fbf4d717caa 100644 --- a/drivers/net/wireless/iwlwifi/iwl-test.h +++ b/drivers/net/wireless/iwlwifi/iwl-test.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2010 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2010 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/iwl-testmode.h b/drivers/net/wireless/iwlwifi/iwl-testmode.h index 6ba211b09426..a963f45c6849 100644 --- a/drivers/net/wireless/iwlwifi/iwl-testmode.h +++ b/drivers/net/wireless/iwlwifi/iwl-testmode.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2010 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2010 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index 0f85eb305878..0a3d4df5f434 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -193,11 +193,11 @@ struct iwl_rx_packet { * @CMD_ON_DEMAND: This command is sent by the test mode pipe. */ enum CMD_MODE { - CMD_SYNC = 0, - CMD_ASYNC = BIT(0), - CMD_WANT_SKB = BIT(1), - CMD_WANT_HCMD = BIT(2), - CMD_ON_DEMAND = BIT(3), + CMD_SYNC = 0, + CMD_ASYNC = BIT(0), + CMD_WANT_SKB = BIT(1), + CMD_WANT_HCMD = BIT(2), + CMD_ON_DEMAND = BIT(3), }; #define DEF_CMD_PAYLOAD_SIZE 320 @@ -274,6 +274,7 @@ struct iwl_rx_cmd_buffer { struct page *_page; int _offset; bool _page_stolen; + u32 _rx_page_order; unsigned int truesize; }; @@ -294,6 +295,11 @@ static inline struct page *rxb_steal_page(struct iwl_rx_cmd_buffer *r) return r->_page; } +static inline void iwl_free_rxb(struct iwl_rx_cmd_buffer *r) +{ + __free_pages(r->_page, r->_rx_page_order); +} + #define MAX_NO_RECLAIM_CMDS 6 #define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo)))) @@ -410,8 +416,12 @@ struct iwl_trans; * the op_mode. May be called several times before start_fw, can't be * called after that. * @set_pmi: set the power pmi state - * @grab_nic_access: wake the NIC to be able to access non-HBUS regs - * @release_nic_access: let the NIC go to sleep + * @grab_nic_access: wake the NIC to be able to access non-HBUS regs. + * Sleeping is not allowed between grab_nic_access and + * release_nic_access. + * @release_nic_access: let the NIC go to sleep. The "flags" parameter + * must be the same one that was sent before to the grab_nic_access. + * @set_bits_mask - set SRAM register according to value and mask. */ struct iwl_trans_ops { @@ -454,8 +464,12 @@ struct iwl_trans_ops { void (*configure)(struct iwl_trans *trans, const struct iwl_trans_config *trans_cfg); void (*set_pmi)(struct iwl_trans *trans, bool state); - bool (*grab_nic_access)(struct iwl_trans *trans, bool silent); - void (*release_nic_access)(struct iwl_trans *trans); + bool (*grab_nic_access)(struct iwl_trans *trans, bool silent, + unsigned long *flags); + void (*release_nic_access)(struct iwl_trans *trans, + unsigned long *flags); + void (*set_bits_mask)(struct iwl_trans *trans, u32 reg, u32 mask, + u32 value); }; /** @@ -475,7 +489,6 @@ enum iwl_trans_state { * @ops - pointer to iwl_trans_ops * @op_mode - pointer to the op_mode * @cfg - pointer to the configuration - * @reg_lock - protect hw register access * @dev - pointer to struct device * that represents the device * @hw_id: a u32 with the ID of the device / subdevice. * Set during transport allocation. @@ -496,7 +509,6 @@ struct iwl_trans { struct iwl_op_mode *op_mode; const struct iwl_cfg *cfg; enum iwl_trans_state state; - spinlock_t reg_lock; struct device *dev; u32 hw_rev; @@ -756,14 +768,20 @@ static inline void iwl_trans_set_pmi(struct iwl_trans *trans, bool state) trans->ops->set_pmi(trans, state); } -#define iwl_trans_grab_nic_access(trans, silent) \ +static inline void +iwl_trans_set_bits_mask(struct iwl_trans *trans, u32 reg, u32 mask, u32 value) +{ + trans->ops->set_bits_mask(trans, reg, mask, value); +} + +#define iwl_trans_grab_nic_access(trans, silent, flags) \ __cond_lock(nic_access, \ - likely((trans)->ops->grab_nic_access(trans, silent))) + likely((trans)->ops->grab_nic_access(trans, silent, flags))) static inline void __releases(nic_access) -iwl_trans_release_nic_access(struct iwl_trans *trans) +iwl_trans_release_nic_access(struct iwl_trans *trans, unsigned long *flags) { - trans->ops->release_nic_access(trans); + trans->ops->release_nic_access(trans, flags); __release(nic_access); } diff --git a/drivers/net/wireless/iwlwifi/mvm/Makefile b/drivers/net/wireless/iwlwifi/mvm/Makefile new file mode 100644 index 000000000000..807b250ec396 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/Makefile @@ -0,0 +1,10 @@ +obj-$(CONFIG_IWLMVM) += iwlmvm.o +iwlmvm-y += fw.o mac80211.o nvm.o ops.o phy-ctxt.o mac-ctxt.o +iwlmvm-y += utils.o rx.o tx.o binding.o quota.o sta.o +iwlmvm-y += scan.o time-event.o rs.o +iwlmvm-y += power.o +iwlmvm-y += led.o +iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o +iwlmvm-$(CONFIG_PM_SLEEP) += d3.o + +ccflags-y += -D__CHECK_ENDIAN__ -I$(src)/../ diff --git a/drivers/net/wireless/iwlwifi/mvm/binding.c b/drivers/net/wireless/iwlwifi/mvm/binding.c new file mode 100644 index 000000000000..73d24aacb90a --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/binding.c @@ -0,0 +1,197 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#include <net/mac80211.h> +#include "fw-api.h" +#include "mvm.h" + +struct iwl_mvm_iface_iterator_data { + struct ieee80211_vif *ignore_vif; + int idx; + + struct iwl_mvm_phy_ctxt *phyctxt; + + u16 ids[MAX_MACS_IN_BINDING]; + u16 colors[MAX_MACS_IN_BINDING]; +}; + +static int iwl_mvm_binding_cmd(struct iwl_mvm *mvm, u32 action, + struct iwl_mvm_iface_iterator_data *data) +{ + struct iwl_binding_cmd cmd; + struct iwl_mvm_phy_ctxt *phyctxt = data->phyctxt; + int i, ret; + u32 status; + + memset(&cmd, 0, sizeof(cmd)); + + cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(phyctxt->id, + phyctxt->color)); + cmd.action = cpu_to_le32(action); + cmd.phy = cpu_to_le32(FW_CMD_ID_AND_COLOR(phyctxt->id, + phyctxt->color)); + + for (i = 0; i < MAX_MACS_IN_BINDING; i++) + cmd.macs[i] = cpu_to_le32(FW_CTXT_INVALID); + for (i = 0; i < data->idx; i++) + cmd.macs[i] = cpu_to_le32(FW_CMD_ID_AND_COLOR(data->ids[i], + data->colors[i])); + + status = 0; + ret = iwl_mvm_send_cmd_pdu_status(mvm, BINDING_CONTEXT_CMD, + sizeof(cmd), &cmd, &status); + if (ret) { + IWL_ERR(mvm, "Failed to send binding (action:%d): %d\n", + action, ret); + return ret; + } + + if (status) { + IWL_ERR(mvm, "Binding command failed: %u\n", status); + ret = -EIO; + } + + return ret; +} + +static void iwl_mvm_iface_iterator(void *_data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct iwl_mvm_iface_iterator_data *data = _data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + if (vif == data->ignore_vif) + return; + + if (mvmvif->phy_ctxt != data->phyctxt) + return; + + if (WARN_ON_ONCE(data->idx >= MAX_MACS_IN_BINDING)) + return; + + data->ids[data->idx] = mvmvif->id; + data->colors[data->idx] = mvmvif->color; + data->idx++; +} + +static int iwl_mvm_binding_update(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct iwl_mvm_phy_ctxt *phyctxt, + bool add) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm_iface_iterator_data data = { + .ignore_vif = vif, + .phyctxt = phyctxt, + }; + u32 action = FW_CTXT_ACTION_MODIFY; + + lockdep_assert_held(&mvm->mutex); + + ieee80211_iterate_active_interfaces_atomic(mvm->hw, + IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_iface_iterator, + &data); + + /* + * If there are no other interfaces yet we + * need to create a new binding. + */ + if (data.idx == 0) { + if (add) + action = FW_CTXT_ACTION_ADD; + else + action = FW_CTXT_ACTION_REMOVE; + } + + if (add) { + if (WARN_ON_ONCE(data.idx >= MAX_MACS_IN_BINDING)) + return -EINVAL; + + data.ids[data.idx] = mvmvif->id; + data.colors[data.idx] = mvmvif->color; + data.idx++; + } + + return iwl_mvm_binding_cmd(mvm, action, &data); +} + +int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) + return -EINVAL; + + return iwl_mvm_binding_update(mvm, vif, mvmvif->phy_ctxt, true); +} + +int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) + return -EINVAL; + + return iwl_mvm_binding_update(mvm, vif, mvmvif->phy_ctxt, false); +} diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c new file mode 100644 index 000000000000..9a95c374990d --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/d3.c @@ -0,0 +1,841 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#include <net/cfg80211.h> +#include <net/ipv6.h> +#include "iwl-modparams.h" +#include "fw-api.h" +#include "mvm.h" + +void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct cfg80211_gtk_rekey_data *data) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + if (iwlwifi_mod_params.sw_crypto) + return; + + mutex_lock(&mvm->mutex); + + memcpy(mvmvif->rekey_data.kek, data->kek, NL80211_KEK_LEN); + memcpy(mvmvif->rekey_data.kck, data->kck, NL80211_KCK_LEN); + mvmvif->rekey_data.replay_ctr = + cpu_to_le64(be64_to_cpup((__be64 *)&data->replay_ctr)); + mvmvif->rekey_data.valid = true; + + mutex_unlock(&mvm->mutex); +} + +#if IS_ENABLED(CONFIG_IPV6) +void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct inet6_dev *idev) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct inet6_ifaddr *ifa; + int idx = 0; + + read_lock(&idev->lock); + list_for_each_entry(ifa, &idev->addr_list, if_list) { + mvmvif->target_ipv6_addrs[idx] = ifa->addr; + idx++; + if (idx >= IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS) + break; + } + read_unlock(&idev->lock); + + mvmvif->num_target_ipv6_addrs = idx; +} +#endif + +void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, int idx) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + mvmvif->tx_key_idx = idx; +} + +static void iwl_mvm_convert_p1k(u16 *p1k, __le16 *out) +{ + int i; + + for (i = 0; i < IWL_P1K_SIZE; i++) + out[i] = cpu_to_le16(p1k[i]); +} + +struct wowlan_key_data { + struct iwl_wowlan_rsc_tsc_params_cmd *rsc_tsc; + struct iwl_wowlan_tkip_params_cmd *tkip; + bool error, use_rsc_tsc, use_tkip; + int gtk_key_idx; +}; + +static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, + void *_data) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct wowlan_key_data *data = _data; + struct aes_sc *aes_sc, *aes_tx_sc = NULL; + struct tkip_sc *tkip_sc, *tkip_tx_sc = NULL; + struct iwl_p1k_cache *rx_p1ks; + u8 *rx_mic_key; + struct ieee80211_key_seq seq; + u32 cur_rx_iv32 = 0; + u16 p1k[IWL_P1K_SIZE]; + int ret, i; + + mutex_lock(&mvm->mutex); + + switch (key->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: { /* hack it for now */ + struct { + struct iwl_mvm_wep_key_cmd wep_key_cmd; + struct iwl_mvm_wep_key wep_key; + } __packed wkc = { + .wep_key_cmd.mac_id_n_color = + cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, + mvmvif->color)), + .wep_key_cmd.num_keys = 1, + /* firmware sets STA_KEY_FLG_WEP_13BYTES */ + .wep_key_cmd.decryption_type = STA_KEY_FLG_WEP, + .wep_key.key_index = key->keyidx, + .wep_key.key_size = key->keylen, + }; + + /* + * This will fail -- the key functions don't set support + * pairwise WEP keys. However, that's better than silently + * failing WoWLAN. Or maybe not? + */ + if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) + break; + + memcpy(&wkc.wep_key.key[3], key->key, key->keylen); + if (key->keyidx == mvmvif->tx_key_idx) { + /* TX key must be at offset 0 */ + wkc.wep_key.key_offset = 0; + } else { + /* others start at 1 */ + data->gtk_key_idx++; + wkc.wep_key.key_offset = data->gtk_key_idx; + } + + ret = iwl_mvm_send_cmd_pdu(mvm, WEP_KEY, CMD_SYNC, + sizeof(wkc), &wkc); + data->error = ret != 0; + + /* don't upload key again */ + goto out_unlock; + } + default: + data->error = true; + goto out_unlock; + case WLAN_CIPHER_SUITE_AES_CMAC: + /* + * Ignore CMAC keys -- the WoWLAN firmware doesn't support them + * but we also shouldn't abort suspend due to that. It does have + * support for the IGTK key renewal, but doesn't really use the + * IGTK for anything. This means we could spuriously wake up or + * be deauthenticated, but that was considered acceptable. + */ + goto out_unlock; + case WLAN_CIPHER_SUITE_TKIP: + if (sta) { + tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.unicast_rsc; + tkip_tx_sc = &data->rsc_tsc->all_tsc_rsc.tkip.tsc; + + rx_p1ks = data->tkip->rx_uni; + + ieee80211_get_key_tx_seq(key, &seq); + tkip_tx_sc->iv16 = cpu_to_le16(seq.tkip.iv16); + tkip_tx_sc->iv32 = cpu_to_le32(seq.tkip.iv32); + + ieee80211_get_tkip_p1k_iv(key, seq.tkip.iv32, p1k); + iwl_mvm_convert_p1k(p1k, data->tkip->tx.p1k); + + memcpy(data->tkip->mic_keys.tx, + &key->key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY], + IWL_MIC_KEY_SIZE); + + rx_mic_key = data->tkip->mic_keys.rx_unicast; + } else { + tkip_sc = + data->rsc_tsc->all_tsc_rsc.tkip.multicast_rsc; + rx_p1ks = data->tkip->rx_multi; + rx_mic_key = data->tkip->mic_keys.rx_mcast; + } + + /* + * For non-QoS this relies on the fact that both the uCode and + * mac80211 use TID 0 (as they need to to avoid replay attacks) + * for checking the IV in the frames. + */ + for (i = 0; i < IWL_NUM_RSC; i++) { + ieee80211_get_key_rx_seq(key, i, &seq); + tkip_sc[i].iv16 = cpu_to_le16(seq.tkip.iv16); + tkip_sc[i].iv32 = cpu_to_le32(seq.tkip.iv32); + /* wrapping isn't allowed, AP must rekey */ + if (seq.tkip.iv32 > cur_rx_iv32) + cur_rx_iv32 = seq.tkip.iv32; + } + + ieee80211_get_tkip_rx_p1k(key, vif->bss_conf.bssid, + cur_rx_iv32, p1k); + iwl_mvm_convert_p1k(p1k, rx_p1ks[0].p1k); + ieee80211_get_tkip_rx_p1k(key, vif->bss_conf.bssid, + cur_rx_iv32 + 1, p1k); + iwl_mvm_convert_p1k(p1k, rx_p1ks[1].p1k); + + memcpy(rx_mic_key, + &key->key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY], + IWL_MIC_KEY_SIZE); + + data->use_tkip = true; + data->use_rsc_tsc = true; + break; + case WLAN_CIPHER_SUITE_CCMP: + if (sta) { + u8 *pn = seq.ccmp.pn; + + aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc; + aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc; + + ieee80211_get_key_tx_seq(key, &seq); + aes_tx_sc->pn = cpu_to_le64((u64)pn[5] | + ((u64)pn[4] << 8) | + ((u64)pn[3] << 16) | + ((u64)pn[2] << 24) | + ((u64)pn[1] << 32) | + ((u64)pn[0] << 40)); + } else { + aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc; + } + + /* + * For non-QoS this relies on the fact that both the uCode and + * mac80211 use TID 0 for checking the IV in the frames. + */ + for (i = 0; i < IWL_NUM_RSC; i++) { + u8 *pn = seq.ccmp.pn; + + ieee80211_get_key_rx_seq(key, i, &seq); + aes_sc->pn = cpu_to_le64((u64)pn[5] | + ((u64)pn[4] << 8) | + ((u64)pn[3] << 16) | + ((u64)pn[2] << 24) | + ((u64)pn[1] << 32) | + ((u64)pn[0] << 40)); + } + data->use_rsc_tsc = true; + break; + } + + /* + * The D3 firmware hardcodes the key offset 0 as the key it uses + * to transmit packets to the AP, i.e. the PTK. + */ + if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { + key->hw_key_idx = 0; + } else { + data->gtk_key_idx++; + key->hw_key_idx = data->gtk_key_idx; + } + + ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, true); + data->error = ret != 0; +out_unlock: + mutex_unlock(&mvm->mutex); +} + +static int iwl_mvm_send_patterns(struct iwl_mvm *mvm, + struct cfg80211_wowlan *wowlan) +{ + struct iwl_wowlan_patterns_cmd *pattern_cmd; + struct iwl_host_cmd cmd = { + .id = WOWLAN_PATTERNS, + .dataflags[0] = IWL_HCMD_DFL_NOCOPY, + .flags = CMD_SYNC, + }; + int i, err; + + if (!wowlan->n_patterns) + return 0; + + cmd.len[0] = sizeof(*pattern_cmd) + + wowlan->n_patterns * sizeof(struct iwl_wowlan_pattern); + + pattern_cmd = kmalloc(cmd.len[0], GFP_KERNEL); + if (!pattern_cmd) + return -ENOMEM; + + pattern_cmd->n_patterns = cpu_to_le32(wowlan->n_patterns); + + for (i = 0; i < wowlan->n_patterns; i++) { + int mask_len = DIV_ROUND_UP(wowlan->patterns[i].pattern_len, 8); + + memcpy(&pattern_cmd->patterns[i].mask, + wowlan->patterns[i].mask, mask_len); + memcpy(&pattern_cmd->patterns[i].pattern, + wowlan->patterns[i].pattern, + wowlan->patterns[i].pattern_len); + pattern_cmd->patterns[i].mask_size = mask_len; + pattern_cmd->patterns[i].pattern_size = + wowlan->patterns[i].pattern_len; + } + + cmd.data[0] = pattern_cmd; + err = iwl_mvm_send_cmd(mvm, &cmd); + kfree(pattern_cmd); + return err; +} + +static int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + struct iwl_proto_offload_cmd cmd = {}; +#if IS_ENABLED(CONFIG_IPV6) + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + int i; + + if (mvmvif->num_target_ipv6_addrs) { + cmd.enabled |= cpu_to_le32(IWL_D3_PROTO_OFFLOAD_NS); + memcpy(cmd.ndp_mac_addr, vif->addr, ETH_ALEN); + } + + BUILD_BUG_ON(sizeof(cmd.target_ipv6_addr[i]) != + sizeof(mvmvif->target_ipv6_addrs[i])); + + for (i = 0; i < mvmvif->num_target_ipv6_addrs; i++) + memcpy(cmd.target_ipv6_addr[i], + &mvmvif->target_ipv6_addrs[i], + sizeof(cmd.target_ipv6_addr[i])); +#endif + + if (vif->bss_conf.arp_addr_cnt) { + cmd.enabled |= cpu_to_le32(IWL_D3_PROTO_OFFLOAD_ARP); + cmd.host_ipv4_addr = vif->bss_conf.arp_addr_list[0]; + memcpy(cmd.arp_mac_addr, vif->addr, ETH_ALEN); + } + + if (!cmd.enabled) + return 0; + + return iwl_mvm_send_cmd_pdu(mvm, PROT_OFFLOAD_CONFIG_CMD, CMD_SYNC, + sizeof(cmd), &cmd); +} + +struct iwl_d3_iter_data { + struct iwl_mvm *mvm; + struct ieee80211_vif *vif; + bool error; +}; + +static void iwl_mvm_d3_iface_iterator(void *_data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct iwl_d3_iter_data *data = _data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) + return; + + if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT) + return; + + if (data->vif) { + IWL_ERR(data->mvm, "More than one managed interface active!\n"); + data->error = true; + return; + } + + data->vif = vif; +} + +static int iwl_mvm_d3_reprogram(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *ap_sta) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct ieee80211_chanctx_conf *ctx; + u8 chains_static, chains_dynamic; + struct cfg80211_chan_def chandef; + int ret, i; + struct iwl_binding_cmd binding_cmd = {}; + struct iwl_time_quota_cmd quota_cmd = {}; + u32 status; + + /* add back the PHY */ + if (WARN_ON(!mvmvif->phy_ctxt)) + return -EINVAL; + + rcu_read_lock(); + ctx = rcu_dereference(vif->chanctx_conf); + if (WARN_ON(!ctx)) { + rcu_read_unlock(); + return -EINVAL; + } + chandef = ctx->def; + chains_static = ctx->rx_chains_static; + chains_dynamic = ctx->rx_chains_dynamic; + rcu_read_unlock(); + + ret = iwl_mvm_phy_ctxt_add(mvm, mvmvif->phy_ctxt, &chandef, + chains_static, chains_dynamic); + if (ret) + return ret; + + /* add back the MAC */ + mvmvif->uploaded = false; + + if (WARN_ON(!vif->bss_conf.assoc)) + return -EINVAL; + /* hack */ + vif->bss_conf.assoc = false; + ret = iwl_mvm_mac_ctxt_add(mvm, vif); + vif->bss_conf.assoc = true; + if (ret) + return ret; + + /* add back binding - XXX refactor? */ + binding_cmd.id_and_color = + cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->phy_ctxt->id, + mvmvif->phy_ctxt->color)); + binding_cmd.action = cpu_to_le32(FW_CTXT_ACTION_ADD); + binding_cmd.phy = + cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->phy_ctxt->id, + mvmvif->phy_ctxt->color)); + binding_cmd.macs[0] = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, + mvmvif->color)); + for (i = 1; i < MAX_MACS_IN_BINDING; i++) + binding_cmd.macs[i] = cpu_to_le32(FW_CTXT_INVALID); + + status = 0; + ret = iwl_mvm_send_cmd_pdu_status(mvm, BINDING_CONTEXT_CMD, + sizeof(binding_cmd), &binding_cmd, + &status); + if (ret) { + IWL_ERR(mvm, "Failed to add binding: %d\n", ret); + return ret; + } + + if (status) { + IWL_ERR(mvm, "Binding command failed: %u\n", status); + return -EIO; + } + + ret = iwl_mvm_sta_add_to_fw(mvm, ap_sta); + if (ret) + return ret; + rcu_assign_pointer(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id], ap_sta); + + ret = iwl_mvm_mac_ctxt_changed(mvm, vif); + if (ret) + return ret; + + /* and some quota */ + quota_cmd.quotas[0].id_and_color = + cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->phy_ctxt->id, + mvmvif->phy_ctxt->color)); + quota_cmd.quotas[0].quota = cpu_to_le32(100); + quota_cmd.quotas[0].max_duration = cpu_to_le32(1000); + + for (i = 1; i < MAX_BINDINGS; i++) + quota_cmd.quotas[i].id_and_color = cpu_to_le32(FW_CTXT_INVALID); + + ret = iwl_mvm_send_cmd_pdu(mvm, TIME_QUOTA_CMD, CMD_SYNC, + sizeof(quota_cmd), "a_cmd); + if (ret) + IWL_ERR(mvm, "Failed to send quota: %d\n", ret); + + return 0; +} + +int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_d3_iter_data suspend_iter_data = { + .mvm = mvm, + }; + struct ieee80211_vif *vif; + struct iwl_mvm_vif *mvmvif; + struct ieee80211_sta *ap_sta; + struct iwl_mvm_sta *mvm_ap_sta; + struct iwl_wowlan_config_cmd wowlan_config_cmd = {}; + struct iwl_wowlan_kek_kck_material_cmd kek_kck_cmd = {}; + struct iwl_wowlan_tkip_params_cmd tkip_cmd = {}; + struct iwl_d3_manager_config d3_cfg_cmd = {}; + struct wowlan_key_data key_data = { + .use_rsc_tsc = false, + .tkip = &tkip_cmd, + .use_tkip = false, + }; + int ret, i; + u16 seq; + u8 old_aux_sta_id, old_ap_sta_id = IWL_MVM_STATION_COUNT; + + if (WARN_ON(!wowlan)) + return -EINVAL; + + key_data.rsc_tsc = kzalloc(sizeof(*key_data.rsc_tsc), GFP_KERNEL); + if (!key_data.rsc_tsc) + return -ENOMEM; + + mutex_lock(&mvm->mutex); + + old_aux_sta_id = mvm->aux_sta.sta_id; + + /* see if there's only a single BSS vif and it's associated */ + ieee80211_iterate_active_interfaces_atomic( + mvm->hw, IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_d3_iface_iterator, &suspend_iter_data); + + if (suspend_iter_data.error || !suspend_iter_data.vif) { + ret = 1; + goto out_noreset; + } + + vif = suspend_iter_data.vif; + mvmvif = iwl_mvm_vif_from_mac80211(vif); + + ap_sta = rcu_dereference_protected( + mvm->fw_id_to_mac_id[mvmvif->ap_sta_id], + lockdep_is_held(&mvm->mutex)); + if (IS_ERR_OR_NULL(ap_sta)) { + ret = -EINVAL; + goto out_noreset; + } + + mvm_ap_sta = (struct iwl_mvm_sta *)ap_sta->drv_priv; + + /* + * The D3 firmware still hardcodes the AP station ID for the + * BSS we're associated with as 0. Store the real STA ID here + * and assign 0. When we leave this function, we'll restore + * the original value for the resume code. + */ + old_ap_sta_id = mvm_ap_sta->sta_id; + mvm_ap_sta->sta_id = 0; + mvmvif->ap_sta_id = 0; + + /* TODO: wowlan_config_cmd.wowlan_ba_teardown_tids */ + + wowlan_config_cmd.is_11n_connection = ap_sta->ht_cap.ht_supported; + + /* + * We know the last used seqno, and the uCode expects to know that + * one, it will increment before TX. + */ + seq = mvm_ap_sta->last_seq_ctl & IEEE80211_SCTL_SEQ; + wowlan_config_cmd.non_qos_seq = cpu_to_le16(seq); + + /* + * For QoS counters, we store the one to use next, so subtract 0x10 + * since the uCode will add 0x10 *before* using the value while we + * increment after using the value (i.e. store the next value to use). + */ + for (i = 0; i < IWL_MAX_TID_COUNT; i++) { + seq = mvm_ap_sta->tid_data[i].seq_number; + seq -= 0x10; + wowlan_config_cmd.qos_seq[i] = cpu_to_le16(seq); + } + + if (wowlan->disconnect) + wowlan_config_cmd.wakeup_filter |= + cpu_to_le32(IWL_WOWLAN_WAKEUP_BEACON_MISS | + IWL_WOWLAN_WAKEUP_LINK_CHANGE); + if (wowlan->magic_pkt) + wowlan_config_cmd.wakeup_filter |= + cpu_to_le32(IWL_WOWLAN_WAKEUP_MAGIC_PACKET); + if (wowlan->gtk_rekey_failure) + wowlan_config_cmd.wakeup_filter |= + cpu_to_le32(IWL_WOWLAN_WAKEUP_GTK_REKEY_FAIL); + if (wowlan->eap_identity_req) + wowlan_config_cmd.wakeup_filter |= + cpu_to_le32(IWL_WOWLAN_WAKEUP_EAP_IDENT_REQ); + if (wowlan->four_way_handshake) + wowlan_config_cmd.wakeup_filter |= + cpu_to_le32(IWL_WOWLAN_WAKEUP_4WAY_HANDSHAKE); + if (wowlan->n_patterns) + wowlan_config_cmd.wakeup_filter |= + cpu_to_le32(IWL_WOWLAN_WAKEUP_PATTERN_MATCH); + + if (wowlan->rfkill_release) + d3_cfg_cmd.wakeup_flags |= + cpu_to_le32(IWL_WOWLAN_WAKEUP_RF_KILL_DEASSERT); + + iwl_mvm_cancel_scan(mvm); + + iwl_trans_stop_device(mvm->trans); + + /* + * Set the HW restart bit -- this is mostly true as we're + * going to load new firmware and reprogram that, though + * the reprogramming is going to be manual to avoid adding + * all the MACs that aren't support. + * We don't have to clear up everything though because the + * reprogramming is manual. When we resume, we'll actually + * go through a proper restart sequence again to switch + * back to the runtime firmware image. + */ + set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); + + /* We reprogram keys and shouldn't allocate new key indices */ + memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); + + /* + * The D3 firmware still hardcodes the AP station ID for the + * BSS we're associated with as 0. As a result, we have to move + * the auxiliary station to ID 1 so the ID 0 remains free for + * the AP station for later. + * We set the sta_id to 1 here, and reset it to its previous + * value (that we stored above) later. + */ + mvm->aux_sta.sta_id = 1; + + ret = iwl_mvm_load_d3_fw(mvm); + if (ret) + goto out; + + ret = iwl_mvm_d3_reprogram(mvm, vif, ap_sta); + if (ret) + goto out; + + if (!iwlwifi_mod_params.sw_crypto) { + /* + * This needs to be unlocked due to lock ordering + * constraints. Since we're in the suspend path + * that isn't really a problem though. + */ + mutex_unlock(&mvm->mutex); + ieee80211_iter_keys(mvm->hw, vif, + iwl_mvm_wowlan_program_keys, + &key_data); + mutex_lock(&mvm->mutex); + if (key_data.error) { + ret = -EIO; + goto out; + } + + if (key_data.use_rsc_tsc) { + struct iwl_host_cmd rsc_tsc_cmd = { + .id = WOWLAN_TSC_RSC_PARAM, + .flags = CMD_SYNC, + .data[0] = key_data.rsc_tsc, + .dataflags[0] = IWL_HCMD_DFL_NOCOPY, + .len[0] = sizeof(*key_data.rsc_tsc), + }; + + ret = iwl_mvm_send_cmd(mvm, &rsc_tsc_cmd); + if (ret) + goto out; + } + + if (key_data.use_tkip) { + ret = iwl_mvm_send_cmd_pdu(mvm, + WOWLAN_TKIP_PARAM, + CMD_SYNC, sizeof(tkip_cmd), + &tkip_cmd); + if (ret) + goto out; + } + + if (mvmvif->rekey_data.valid) { + memset(&kek_kck_cmd, 0, sizeof(kek_kck_cmd)); + memcpy(kek_kck_cmd.kck, mvmvif->rekey_data.kck, + NL80211_KCK_LEN); + kek_kck_cmd.kck_len = cpu_to_le16(NL80211_KCK_LEN); + memcpy(kek_kck_cmd.kek, mvmvif->rekey_data.kek, + NL80211_KEK_LEN); + kek_kck_cmd.kek_len = cpu_to_le16(NL80211_KEK_LEN); + kek_kck_cmd.replay_ctr = mvmvif->rekey_data.replay_ctr; + + ret = iwl_mvm_send_cmd_pdu(mvm, + WOWLAN_KEK_KCK_MATERIAL, + CMD_SYNC, + sizeof(kek_kck_cmd), + &kek_kck_cmd); + if (ret) + goto out; + } + } + + ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, + CMD_SYNC, sizeof(wowlan_config_cmd), + &wowlan_config_cmd); + if (ret) + goto out; + + ret = iwl_mvm_send_patterns(mvm, wowlan); + if (ret) + goto out; + + ret = iwl_mvm_send_proto_offload(mvm, vif); + if (ret) + goto out; + + /* must be last -- this switches firmware state */ + ret = iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD, CMD_SYNC, + sizeof(d3_cfg_cmd), &d3_cfg_cmd); + if (ret) + goto out; + + clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); + + iwl_trans_d3_suspend(mvm->trans); + out: + mvm->aux_sta.sta_id = old_aux_sta_id; + mvm_ap_sta->sta_id = old_ap_sta_id; + mvmvif->ap_sta_id = old_ap_sta_id; + out_noreset: + kfree(key_data.rsc_tsc); + if (ret < 0) + ieee80211_restart_hw(mvm->hw); + + mutex_unlock(&mvm->mutex); + + return ret; +} + +int iwl_mvm_resume(struct ieee80211_hw *hw) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_d3_iter_data resume_iter_data = { + .mvm = mvm, + }; + struct ieee80211_vif *vif = NULL; + u32 base; + int ret; + enum iwl_d3_status d3_status; + struct error_table_start { + /* cf. struct iwl_error_event_table */ + u32 valid; + u32 error_id; + } err_info; + + mutex_lock(&mvm->mutex); + + /* get the BSS vif pointer again */ + ieee80211_iterate_active_interfaces_atomic( + mvm->hw, IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_d3_iface_iterator, &resume_iter_data); + + if (WARN_ON(resume_iter_data.error || !resume_iter_data.vif)) + goto out_unlock; + + vif = resume_iter_data.vif; + + ret = iwl_trans_d3_resume(mvm->trans, &d3_status); + if (ret) + goto out_unlock; + + if (d3_status != IWL_D3_STATUS_ALIVE) { + IWL_INFO(mvm, "Device was reset during suspend\n"); + goto out_unlock; + } + + base = mvm->error_event_table; + + iwl_trans_read_mem_bytes(mvm->trans, base, + &err_info, sizeof(err_info)); + + if (err_info.valid) { + IWL_INFO(mvm, "error table is valid (%d)\n", + err_info.valid); + if (err_info.error_id == RF_KILL_INDICATOR_FOR_WOWLAN) + IWL_ERR(mvm, "this was due to RF-kill\n"); + goto out_unlock; + } + + /* TODO: get status and whatever else ... */ + ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_GET_STATUSES, CMD_SYNC, 0, NULL); + if (ret) + IWL_ERR(mvm, "failed to query status (%d)\n", ret); + + ret = iwl_mvm_send_cmd_pdu(mvm, OFFLOADS_QUERY_CMD, CMD_SYNC, 0, NULL); + if (ret) + IWL_ERR(mvm, "failed to query offloads (%d)\n", ret); + + out_unlock: + mutex_unlock(&mvm->mutex); + + if (vif) + ieee80211_resume_disconnect(vif); + + /* return 1 to reconfigure the device */ + set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); + return 1; +} + +void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + device_set_wakeup_enable(mvm->trans->dev, enabled); +} diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c new file mode 100644 index 000000000000..c1bdb5582126 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c @@ -0,0 +1,378 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#include "mvm.h" +#include "sta.h" +#include "iwl-io.h" + +struct iwl_dbgfs_mvm_ctx { + struct iwl_mvm *mvm; + struct ieee80211_vif *vif; +}; + +static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) +{ + file->private_data = inode->i_private; + return 0; +} + +static ssize_t iwl_dbgfs_tx_flush_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + + char buf[16]; + int buf_size, ret; + u32 scd_q_msk; + + if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) + return -EIO; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + + if (sscanf(buf, "%x", &scd_q_msk) != 1) + return -EINVAL; + + IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk); + + mutex_lock(&mvm->mutex); + ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, true) ? : count; + mutex_unlock(&mvm->mutex); + + return ret; +} + +static ssize_t iwl_dbgfs_sta_drain_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + struct ieee80211_sta *sta; + + char buf[8]; + int buf_size, sta_id, drain, ret; + + if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) + return -EIO; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + + if (sscanf(buf, "%d %d", &sta_id, &drain) != 2) + return -EINVAL; + + mutex_lock(&mvm->mutex); + + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], + lockdep_is_held(&mvm->mutex)); + if (IS_ERR_OR_NULL(sta)) + ret = -ENOENT; + else + ret = iwl_mvm_drain_sta(mvm, (void *)sta->drv_priv, drain) ? : + count; + + mutex_unlock(&mvm->mutex); + + return ret; +} + +static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + const struct fw_img *img; + int ofs, len, pos = 0; + size_t bufsz, ret; + char *buf; + u8 *ptr; + + /* default is to dump the entire data segment */ + if (!mvm->dbgfs_sram_offset && !mvm->dbgfs_sram_len) { + mvm->dbgfs_sram_offset = 0x800000; + if (!mvm->ucode_loaded) + return -EINVAL; + img = &mvm->fw->img[mvm->cur_ucode]; + mvm->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; + } + len = mvm->dbgfs_sram_len; + + bufsz = len * 4 + 256; + buf = kzalloc(bufsz, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + ptr = kzalloc(len, GFP_KERNEL); + if (!ptr) { + kfree(buf); + return -ENOMEM; + } + + pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", len); + pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", + mvm->dbgfs_sram_offset); + + iwl_trans_read_mem_bytes(mvm->trans, + mvm->dbgfs_sram_offset, + ptr, len); + for (ofs = 0; ofs < len; ofs += 16) { + pos += scnprintf(buf + pos, bufsz - pos, "0x%.4x ", ofs); + hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos, + bufsz - pos, false); + pos += strlen(buf + pos); + if (bufsz - pos > 0) + buf[pos++] = '\n'; + } + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + + kfree(buf); + kfree(ptr); + + return ret; +} + +static ssize_t iwl_dbgfs_sram_write(struct file *file, + const char __user *user_buf, size_t count, + loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + char buf[64]; + int buf_size; + u32 offset, len; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + + if (sscanf(buf, "%x,%x", &offset, &len) == 2) { + if ((offset & 0x3) || (len & 0x3)) + return -EINVAL; + mvm->dbgfs_sram_offset = offset; + mvm->dbgfs_sram_len = len; + } else { + mvm->dbgfs_sram_offset = 0; + mvm->dbgfs_sram_len = 0; + } + + return count; +} + +static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + struct ieee80211_sta *sta; + char buf[400]; + int i, pos = 0, bufsz = sizeof(buf); + + mutex_lock(&mvm->mutex); + + for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { + pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i); + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], + lockdep_is_held(&mvm->mutex)); + if (!sta) + pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); + else if (IS_ERR(sta)) + pos += scnprintf(buf + pos, bufsz - pos, "%ld\n", + PTR_ERR(sta)); + else + pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", + sta->addr); + } + + mutex_unlock(&mvm->mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_power_down_allow_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + char buf[8] = {}; + int allow; + + if (!mvm->ucode_loaded) + return -EIO; + + if (copy_from_user(buf, user_buf, sizeof(buf))) + return -EFAULT; + + if (sscanf(buf, "%d", &allow) != 1) + return -EINVAL; + + IWL_DEBUG_POWER(mvm, "%s device power down\n", + allow ? "allow" : "prevent"); + + /* + * TODO: Send REPLY_DEBUG_CMD (0xf0) when FW support it + */ + + return count; +} + +static ssize_t iwl_dbgfs_power_down_d3_allow_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + char buf[8] = {}; + int allow; + + if (copy_from_user(buf, user_buf, sizeof(buf))) + return -EFAULT; + + if (sscanf(buf, "%d", &allow) != 1) + return -EINVAL; + + IWL_DEBUG_POWER(mvm, "%s device power down in d3\n", + allow ? "allow" : "prevent"); + + /* + * TODO: When WoWLAN FW alive notification happens, driver will send + * REPLY_DEBUG_CMD setting power_down_allow flag according to + * mvm->prevent_power_down_d3 + */ + mvm->prevent_power_down_d3 = !allow; + + return count; +} + +#define MVM_DEBUGFS_READ_FILE_OPS(name) \ +static const struct file_operations iwl_dbgfs_##name##_ops = { \ + .read = iwl_dbgfs_##name##_read, \ + .open = iwl_dbgfs_open_file_generic, \ + .llseek = generic_file_llseek, \ +} + +#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name) \ +static const struct file_operations iwl_dbgfs_##name##_ops = { \ + .write = iwl_dbgfs_##name##_write, \ + .read = iwl_dbgfs_##name##_read, \ + .open = iwl_dbgfs_open_file_generic, \ + .llseek = generic_file_llseek, \ +}; + +#define MVM_DEBUGFS_WRITE_FILE_OPS(name) \ +static const struct file_operations iwl_dbgfs_##name##_ops = { \ + .write = iwl_dbgfs_##name##_write, \ + .open = iwl_dbgfs_open_file_generic, \ + .llseek = generic_file_llseek, \ +}; + +#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) do { \ + if (!debugfs_create_file(#name, mode, parent, mvm, \ + &iwl_dbgfs_##name##_ops)) \ + goto err; \ + } while (0) + +#define MVM_DEBUGFS_ADD_FILE_VIF(name, parent, mode) do { \ + if (!debugfs_create_file(#name, mode, parent, vif, \ + &iwl_dbgfs_##name##_ops)) \ + goto err; \ + } while (0) + +/* Device wide debugfs entries */ +MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush); +MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram); +MVM_DEBUGFS_READ_FILE_OPS(stations); +MVM_DEBUGFS_WRITE_FILE_OPS(power_down_allow); +MVM_DEBUGFS_WRITE_FILE_OPS(power_down_d3_allow); + +int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) +{ + char buf[100]; + + mvm->debugfs_dir = dbgfs_dir; + + MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR); + MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR); + MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR); + MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR); + MVM_DEBUGFS_ADD_FILE(power_down_allow, mvm->debugfs_dir, S_IWUSR); + MVM_DEBUGFS_ADD_FILE(power_down_d3_allow, mvm->debugfs_dir, S_IWUSR); + + /* + * Create a symlink with mac80211. It will be removed when mac80211 + * exists (before the opmode exists which removes the target.) + */ + snprintf(buf, 100, "../../%s/%s", + dbgfs_dir->d_parent->d_parent->d_name.name, + dbgfs_dir->d_parent->d_name.name); + if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf)) + goto err; + + return 0; +err: + IWL_ERR(mvm, "Can't create the mvm debugfs directory\n"); + return -ENOMEM; +} diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h new file mode 100644 index 000000000000..cf6f9a02fb74 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h @@ -0,0 +1,282 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ + +#ifndef __fw_api_d3_h__ +#define __fw_api_d3_h__ + +/** + * enum iwl_d3_wakeup_flags - D3 manager wakeup flags + * @IWL_WAKEUP_D3_CONFIG_FW_ERROR: wake up on firmware sysassert + */ +enum iwl_d3_wakeup_flags { + IWL_WAKEUP_D3_CONFIG_FW_ERROR = BIT(0), +}; /* D3_MANAGER_WAKEUP_CONFIG_API_E_VER_3 */ + +/** + * struct iwl_d3_manager_config - D3 manager configuration command + * @min_sleep_time: minimum sleep time (in usec) + * @wakeup_flags: wakeup flags, see &enum iwl_d3_wakeup_flags + * + * The structure is used for the D3_CONFIG_CMD command. + */ +struct iwl_d3_manager_config { + __le32 min_sleep_time; + __le32 wakeup_flags; +} __packed; /* D3_MANAGER_CONFIG_CMD_S_VER_3 */ + + +/* TODO: OFFLOADS_QUERY_API_S_VER_1 */ + +/** + * enum iwl_d3_proto_offloads - enabled protocol offloads + * @IWL_D3_PROTO_OFFLOAD_ARP: ARP data is enabled + * @IWL_D3_PROTO_OFFLOAD_NS: NS (Neighbor Solicitation) is enabled + */ +enum iwl_proto_offloads { + IWL_D3_PROTO_OFFLOAD_ARP = BIT(0), + IWL_D3_PROTO_OFFLOAD_NS = BIT(1), +}; + +#define IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS 2 + +/** + * struct iwl_proto_offload_cmd - ARP/NS offload configuration + * @enabled: enable flags + * @remote_ipv4_addr: remote address to answer to (or zero if all) + * @host_ipv4_addr: our IPv4 address to respond to queries for + * @arp_mac_addr: our MAC address for ARP responses + * @remote_ipv6_addr: remote address to answer to (or zero if all) + * @solicited_node_ipv6_addr: broken -- solicited node address exists + * for each target address + * @target_ipv6_addr: our target addresses + * @ndp_mac_addr: neighbor soliciation response MAC address + */ +struct iwl_proto_offload_cmd { + __le32 enabled; + __be32 remote_ipv4_addr; + __be32 host_ipv4_addr; + u8 arp_mac_addr[ETH_ALEN]; + __le16 reserved1; + + u8 remote_ipv6_addr[16]; + u8 solicited_node_ipv6_addr[16]; + u8 target_ipv6_addr[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS][16]; + u8 ndp_mac_addr[ETH_ALEN]; + __le16 reserved2; +} __packed; /* PROT_OFFLOAD_CONFIG_CMD_DB_S_VER_1 */ + + +/* + * WOWLAN_PATTERNS + */ +#define IWL_WOWLAN_MIN_PATTERN_LEN 16 +#define IWL_WOWLAN_MAX_PATTERN_LEN 128 + +struct iwl_wowlan_pattern { + u8 mask[IWL_WOWLAN_MAX_PATTERN_LEN / 8]; + u8 pattern[IWL_WOWLAN_MAX_PATTERN_LEN]; + u8 mask_size; + u8 pattern_size; + __le16 reserved; +} __packed; /* WOWLAN_PATTERN_API_S_VER_1 */ + +#define IWL_WOWLAN_MAX_PATTERNS 20 + +struct iwl_wowlan_patterns_cmd { + __le32 n_patterns; + struct iwl_wowlan_pattern patterns[]; +} __packed; /* WOWLAN_PATTERN_ARRAY_API_S_VER_1 */ + +enum iwl_wowlan_wakeup_filters { + IWL_WOWLAN_WAKEUP_MAGIC_PACKET = BIT(0), + IWL_WOWLAN_WAKEUP_PATTERN_MATCH = BIT(1), + IWL_WOWLAN_WAKEUP_BEACON_MISS = BIT(2), + IWL_WOWLAN_WAKEUP_LINK_CHANGE = BIT(3), + IWL_WOWLAN_WAKEUP_GTK_REKEY_FAIL = BIT(4), + IWL_WOWLAN_WAKEUP_EAP_IDENT_REQ = BIT(5), + IWL_WOWLAN_WAKEUP_4WAY_HANDSHAKE = BIT(6), + IWL_WOWLAN_WAKEUP_ENABLE_NET_DETECT = BIT(7), + IWL_WOWLAN_WAKEUP_RF_KILL_DEASSERT = BIT(8), + IWL_WOWLAN_WAKEUP_REMOTE_LINK_LOSS = BIT(9), + IWL_WOWLAN_WAKEUP_REMOTE_SIGNATURE_TABLE = BIT(10), + /* BIT(11) reserved */ + IWL_WOWLAN_WAKEUP_REMOTE_WAKEUP_PACKET = BIT(12), +}; /* WOWLAN_WAKEUP_FILTER_API_E_VER_4 */ + +struct iwl_wowlan_config_cmd { + __le32 wakeup_filter; + __le16 non_qos_seq; + __le16 qos_seq[8]; + u8 wowlan_ba_teardown_tids; + u8 is_11n_connection; +} __packed; /* WOWLAN_CONFIG_API_S_VER_2 */ + +/* + * WOWLAN_TSC_RSC_PARAMS + */ +#define IWL_NUM_RSC 16 + +struct tkip_sc { + __le16 iv16; + __le16 pad; + __le32 iv32; +} __packed; /* TKIP_SC_API_U_VER_1 */ + +struct iwl_tkip_rsc_tsc { + struct tkip_sc unicast_rsc[IWL_NUM_RSC]; + struct tkip_sc multicast_rsc[IWL_NUM_RSC]; + struct tkip_sc tsc; +} __packed; /* TKIP_TSC_RSC_API_S_VER_1 */ + +struct aes_sc { + __le64 pn; +} __packed; /* TKIP_AES_SC_API_U_VER_1 */ + +struct iwl_aes_rsc_tsc { + struct aes_sc unicast_rsc[IWL_NUM_RSC]; + struct aes_sc multicast_rsc[IWL_NUM_RSC]; + struct aes_sc tsc; +} __packed; /* AES_TSC_RSC_API_S_VER_1 */ + +union iwl_all_tsc_rsc { + struct iwl_tkip_rsc_tsc tkip; + struct iwl_aes_rsc_tsc aes; +}; /* ALL_TSC_RSC_API_S_VER_2 */ + +struct iwl_wowlan_rsc_tsc_params_cmd { + union iwl_all_tsc_rsc all_tsc_rsc; +} __packed; /* ALL_TSC_RSC_API_S_VER_2 */ + +#define IWL_MIC_KEY_SIZE 8 +struct iwl_mic_keys { + u8 tx[IWL_MIC_KEY_SIZE]; + u8 rx_unicast[IWL_MIC_KEY_SIZE]; + u8 rx_mcast[IWL_MIC_KEY_SIZE]; +} __packed; /* MIC_KEYS_API_S_VER_1 */ + +#define IWL_P1K_SIZE 5 +struct iwl_p1k_cache { + __le16 p1k[IWL_P1K_SIZE]; +} __packed; + +#define IWL_NUM_RX_P1K_CACHE 2 + +struct iwl_wowlan_tkip_params_cmd { + struct iwl_mic_keys mic_keys; + struct iwl_p1k_cache tx; + struct iwl_p1k_cache rx_uni[IWL_NUM_RX_P1K_CACHE]; + struct iwl_p1k_cache rx_multi[IWL_NUM_RX_P1K_CACHE]; +} __packed; /* WOWLAN_TKIP_SETTING_API_S_VER_1 */ + +#define IWL_KCK_MAX_SIZE 32 +#define IWL_KEK_MAX_SIZE 32 + +struct iwl_wowlan_kek_kck_material_cmd { + u8 kck[IWL_KCK_MAX_SIZE]; + u8 kek[IWL_KEK_MAX_SIZE]; + __le16 kck_len; + __le16 kek_len; + __le64 replay_ctr; +} __packed; /* KEK_KCK_MATERIAL_API_S_VER_2 */ + +#define RF_KILL_INDICATOR_FOR_WOWLAN 0x87 + +enum iwl_wowlan_rekey_status { + IWL_WOWLAN_REKEY_POST_REKEY = 0, + IWL_WOWLAN_REKEY_WHILE_REKEY = 1, +}; /* WOWLAN_REKEY_STATUS_API_E_VER_1 */ + +enum iwl_wowlan_wakeup_reason { + IWL_WOWLAN_WAKEUP_BY_NON_WIRELESS = 0, + IWL_WOWLAN_WAKEUP_BY_MAGIC_PACKET = BIT(0), + IWL_WOWLAN_WAKEUP_BY_PATTERN = BIT(1), + IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON = BIT(2), + IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH = BIT(3), + IWL_WOWLAN_WAKEUP_BY_GTK_REKEY_FAILURE = BIT(4), + IWL_WOWLAN_WAKEUP_BY_RFKILL_DEASSERTED = BIT(5), + IWL_WOWLAN_WAKEUP_BY_UCODE_ERROR = BIT(6), + IWL_WOWLAN_WAKEUP_BY_EAPOL_REQUEST = BIT(7), + IWL_WOWLAN_WAKEUP_BY_FOUR_WAY_HANDSHAKE = BIT(8), + IWL_WOWLAN_WAKEUP_BY_REM_WAKE_LINK_LOSS = BIT(9), + IWL_WOWLAN_WAKEUP_BY_REM_WAKE_SIGNATURE_TABLE = BIT(10), + IWL_WOWLAN_WAKEUP_BY_REM_WAKE_TCP_EXTERNAL = BIT(11), + IWL_WOWLAN_WAKEUP_BY_REM_WAKE_WAKEUP_PACKET = BIT(12), +}; /* WOWLAN_WAKE_UP_REASON_API_E_VER_2 */ + +struct iwl_wowlan_status { + __le64 replay_ctr; + __le16 pattern_number; + __le16 non_qos_seq_ctr; + __le16 qos_seq_ctr[8]; + __le32 wakeup_reasons; + __le32 rekey_status; + __le32 num_of_gtk_rekeys; + __le32 transmitted_ndps; + __le32 received_beacons; + __le32 wake_packet_length; + __le32 wake_packet_bufsize; + u8 wake_packet[]; /* can be truncated from _length to _bufsize */ +} __packed; /* WOWLAN_STATUSES_API_S_VER_4 */ + +/* TODO: NetDetect API */ + +#endif /* __fw_api_d3_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-mac.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-mac.h new file mode 100644 index 000000000000..ae39b7dfda7b --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-mac.h @@ -0,0 +1,369 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ + +#ifndef __fw_api_mac_h__ +#define __fw_api_mac_h__ + +/* + * The first MAC indices (starting from 0) + * are available to the driver, AUX follows + */ +#define MAC_INDEX_AUX 4 +#define MAC_INDEX_MIN_DRIVER 0 +#define NUM_MAC_INDEX_DRIVER MAC_INDEX_AUX + +#define AC_NUM 4 /* Number of access categories */ + +/** + * enum iwl_mac_protection_flags - MAC context flags + * @MAC_PROT_FLG_TGG_PROTECT: 11g protection when transmitting OFDM frames, + * this will require CCK RTS/CTS2self. + * RTS/CTS will protect full burst time. + * @MAC_PROT_FLG_HT_PROT: enable HT protection + * @MAC_PROT_FLG_FAT_PROT: protect 40 MHz transmissions + * @MAC_PROT_FLG_SELF_CTS_EN: allow CTS2self + */ +enum iwl_mac_protection_flags { + MAC_PROT_FLG_TGG_PROTECT = BIT(3), + MAC_PROT_FLG_HT_PROT = BIT(23), + MAC_PROT_FLG_FAT_PROT = BIT(24), + MAC_PROT_FLG_SELF_CTS_EN = BIT(30), +}; + +#define MAC_FLG_SHORT_SLOT BIT(4) +#define MAC_FLG_SHORT_PREAMBLE BIT(5) + +/** + * enum iwl_mac_types - Supported MAC types + * @FW_MAC_TYPE_FIRST: lowest supported MAC type + * @FW_MAC_TYPE_AUX: Auxiliary MAC (internal) + * @FW_MAC_TYPE_LISTENER: monitor MAC type (?) + * @FW_MAC_TYPE_PIBSS: Pseudo-IBSS + * @FW_MAC_TYPE_IBSS: IBSS + * @FW_MAC_TYPE_BSS_STA: BSS (managed) station + * @FW_MAC_TYPE_P2P_DEVICE: P2P Device + * @FW_MAC_TYPE_P2P_STA: P2P client + * @FW_MAC_TYPE_GO: P2P GO + * @FW_MAC_TYPE_TEST: ? + * @FW_MAC_TYPE_MAX: highest support MAC type + */ +enum iwl_mac_types { + FW_MAC_TYPE_FIRST = 1, + FW_MAC_TYPE_AUX = FW_MAC_TYPE_FIRST, + FW_MAC_TYPE_LISTENER, + FW_MAC_TYPE_PIBSS, + FW_MAC_TYPE_IBSS, + FW_MAC_TYPE_BSS_STA, + FW_MAC_TYPE_P2P_DEVICE, + FW_MAC_TYPE_P2P_STA, + FW_MAC_TYPE_GO, + FW_MAC_TYPE_TEST, + FW_MAC_TYPE_MAX = FW_MAC_TYPE_TEST +}; /* MAC_CONTEXT_TYPE_API_E_VER_1 */ + +/** + * enum iwl_tsf_id - TSF hw timer ID + * @TSF_ID_A: use TSF A + * @TSF_ID_B: use TSF B + * @TSF_ID_C: use TSF C + * @TSF_ID_D: use TSF D + * @NUM_TSF_IDS: number of TSF timers available + */ +enum iwl_tsf_id { + TSF_ID_A = 0, + TSF_ID_B = 1, + TSF_ID_C = 2, + TSF_ID_D = 3, + NUM_TSF_IDS = 4, +}; /* TSF_ID_API_E_VER_1 */ + +/** + * struct iwl_mac_data_ap - configuration data for AP MAC context + * @beacon_time: beacon transmit time in system time + * @beacon_tsf: beacon transmit time in TSF + * @bi: beacon interval in TU + * @bi_reciprocal: 2^32 / bi + * @dtim_interval: dtim transmit time in TU + * @dtim_reciprocal: 2^32 / dtim_interval + * @mcast_qid: queue ID for multicast traffic + * @beacon_template: beacon template ID + */ +struct iwl_mac_data_ap { + __le32 beacon_time; + __le64 beacon_tsf; + __le32 bi; + __le32 bi_reciprocal; + __le32 dtim_interval; + __le32 dtim_reciprocal; + __le32 mcast_qid; + __le32 beacon_template; +} __packed; /* AP_MAC_DATA_API_S_VER_1 */ + +/** + * struct iwl_mac_data_ibss - configuration data for IBSS MAC context + * @beacon_time: beacon transmit time in system time + * @beacon_tsf: beacon transmit time in TSF + * @bi: beacon interval in TU + * @bi_reciprocal: 2^32 / bi + */ +struct iwl_mac_data_ibss { + __le32 beacon_time; + __le64 beacon_tsf; + __le32 bi; + __le32 bi_reciprocal; +} __packed; /* IBSS_MAC_DATA_API_S_VER_1 */ + +/** + * struct iwl_mac_data_sta - configuration data for station MAC context + * @is_assoc: 1 for associated state, 0 otherwise + * @dtim_time: DTIM arrival time in system time + * @dtim_tsf: DTIM arrival time in TSF + * @bi: beacon interval in TU, applicable only when associated + * @bi_reciprocal: 2^32 / bi , applicable only when associated + * @dtim_interval: DTIM interval in TU, applicable only when associated + * @dtim_reciprocal: 2^32 / dtim_interval , applicable only when associated + * @listen_interval: in beacon intervals, applicable only when associated + * @assoc_id: unique ID assigned by the AP during association + */ +struct iwl_mac_data_sta { + __le32 is_assoc; + __le32 dtim_time; + __le64 dtim_tsf; + __le32 bi; + __le32 bi_reciprocal; + __le32 dtim_interval; + __le32 dtim_reciprocal; + __le32 listen_interval; + __le32 assoc_id; + __le32 assoc_beacon_arrive_time; +} __packed; /* STA_MAC_DATA_API_S_VER_1 */ + +/** + * struct iwl_mac_data_go - configuration data for P2P GO MAC context + * @ap: iwl_mac_data_ap struct with most config data + * @ctwin: client traffic window in TU (period after TBTT when GO is present). + * 0 indicates that there is no CT window. + * @opp_ps_enabled: indicate that opportunistic PS allowed + */ +struct iwl_mac_data_go { + struct iwl_mac_data_ap ap; + __le32 ctwin; + __le32 opp_ps_enabled; +} __packed; /* GO_MAC_DATA_API_S_VER_1 */ + +/** + * struct iwl_mac_data_p2p_sta - configuration data for P2P client MAC context + * @sta: iwl_mac_data_sta struct with most config data + * @ctwin: client traffic window in TU (period after TBTT when GO is present). + * 0 indicates that there is no CT window. + */ +struct iwl_mac_data_p2p_sta { + struct iwl_mac_data_sta sta; + __le32 ctwin; +} __packed; /* P2P_STA_MAC_DATA_API_S_VER_1 */ + +/** + * struct iwl_mac_data_pibss - Pseudo IBSS config data + * @stats_interval: interval in TU between statistics notifications to host. + */ +struct iwl_mac_data_pibss { + __le32 stats_interval; +} __packed; /* PIBSS_MAC_DATA_API_S_VER_1 */ + +/* + * struct iwl_mac_data_p2p_dev - configuration data for the P2P Device MAC + * context. + * @is_disc_extended: if set to true, P2P Device discoverability is enabled on + * other channels as well. This should be to true only in case that the + * device is discoverable and there is an active GO. Note that setting this + * field when not needed, will increase the number of interrupts and have + * effect on the platform power, as this setting opens the Rx filters on + * all macs. + */ +struct iwl_mac_data_p2p_dev { + __le32 is_disc_extended; +} __packed; /* _P2P_DEV_MAC_DATA_API_S_VER_1 */ + +/** + * enum iwl_mac_filter_flags - MAC context filter flags + * @MAC_FILTER_IN_PROMISC: accept all data frames + * @MAC_FILTER_IN_CONTROL_AND_MGMT: pass all mangement and + * control frames to the host + * @MAC_FILTER_ACCEPT_GRP: accept multicast frames + * @MAC_FILTER_DIS_DECRYPT: don't decrypt unicast frames + * @MAC_FILTER_DIS_GRP_DECRYPT: don't decrypt multicast frames + * @MAC_FILTER_IN_BEACON: transfer foreign BSS's beacons to host + * (in station mode when associated) + * @MAC_FILTER_OUT_BCAST: filter out all broadcast frames + * @MAC_FILTER_IN_CRC32: extract FCS and append it to frames + * @MAC_FILTER_IN_PROBE_REQUEST: pass probe requests to host + */ +enum iwl_mac_filter_flags { + MAC_FILTER_IN_PROMISC = BIT(0), + MAC_FILTER_IN_CONTROL_AND_MGMT = BIT(1), + MAC_FILTER_ACCEPT_GRP = BIT(2), + MAC_FILTER_DIS_DECRYPT = BIT(3), + MAC_FILTER_DIS_GRP_DECRYPT = BIT(4), + MAC_FILTER_IN_BEACON = BIT(6), + MAC_FILTER_OUT_BCAST = BIT(8), + MAC_FILTER_IN_CRC32 = BIT(11), + MAC_FILTER_IN_PROBE_REQUEST = BIT(12), +}; + +/** + * enum iwl_mac_qos_flags - QoS flags + * @MAC_QOS_FLG_UPDATE_EDCA: ? + * @MAC_QOS_FLG_TGN: HT is enabled + * @MAC_QOS_FLG_TXOP_TYPE: ? + * + */ +enum iwl_mac_qos_flags { + MAC_QOS_FLG_UPDATE_EDCA = BIT(0), + MAC_QOS_FLG_TGN = BIT(1), + MAC_QOS_FLG_TXOP_TYPE = BIT(4), +}; + +/** + * struct iwl_ac_qos - QOS timing params for MAC_CONTEXT_CMD + * @cw_min: Contention window, start value in numbers of slots. + * Should be a power-of-2, minus 1. Device's default is 0x0f. + * @cw_max: Contention window, max value in numbers of slots. + * Should be a power-of-2, minus 1. Device's default is 0x3f. + * @aifsn: Number of slots in Arbitration Interframe Space (before + * performing random backoff timing prior to Tx). Device default 1. + * @fifos_mask: FIFOs used by this MAC for this AC + * @edca_txop: Length of Tx opportunity, in uSecs. Device default is 0. + * + * One instance of this config struct for each of 4 EDCA access categories + * in struct iwl_qosparam_cmd. + * + * Device will automatically increase contention window by (2*CW) + 1 for each + * transmission retry. Device uses cw_max as a bit mask, ANDed with new CW + * value, to cap the CW value. + */ +struct iwl_ac_qos { + __le16 cw_min; + __le16 cw_max; + u8 aifsn; + u8 fifos_mask; + __le16 edca_txop; +} __packed; /* AC_QOS_API_S_VER_2 */ + +/** + * struct iwl_mac_ctx_cmd - command structure to configure MAC contexts + * ( MAC_CONTEXT_CMD = 0x28 ) + * @id_and_color: ID and color of the MAC + * @action: action to perform, one of FW_CTXT_ACTION_* + * @mac_type: one of FW_MAC_TYPE_* + * @tsd_id: TSF HW timer, one of TSF_ID_* + * @node_addr: MAC address + * @bssid_addr: BSSID + * @cck_rates: basic rates available for CCK + * @ofdm_rates: basic rates available for OFDM + * @protection_flags: combination of MAC_PROT_FLG_FLAG_* + * @cck_short_preamble: 0x20 for enabling short preamble, 0 otherwise + * @short_slot: 0x10 for enabling short slots, 0 otherwise + * @filter_flags: combination of MAC_FILTER_* + * @qos_flags: from MAC_QOS_FLG_* + * @ac: one iwl_mac_qos configuration for each AC + * @mac_specific: one of struct iwl_mac_data_*, according to mac_type + */ +struct iwl_mac_ctx_cmd { + /* COMMON_INDEX_HDR_API_S_VER_1 */ + __le32 id_and_color; + __le32 action; + /* MAC_CONTEXT_COMMON_DATA_API_S_VER_1 */ + __le32 mac_type; + __le32 tsf_id; + u8 node_addr[6]; + __le16 reserved_for_node_addr; + u8 bssid_addr[6]; + __le16 reserved_for_bssid_addr; + __le32 cck_rates; + __le32 ofdm_rates; + __le32 protection_flags; + __le32 cck_short_preamble; + __le32 short_slot; + __le32 filter_flags; + /* MAC_QOS_PARAM_API_S_VER_1 */ + __le32 qos_flags; + struct iwl_ac_qos ac[AC_NUM+1]; + /* MAC_CONTEXT_COMMON_DATA_API_S */ + union { + struct iwl_mac_data_ap ap; + struct iwl_mac_data_go go; + struct iwl_mac_data_sta sta; + struct iwl_mac_data_p2p_sta p2p_sta; + struct iwl_mac_data_p2p_dev p2p_dev; + struct iwl_mac_data_pibss pibss; + struct iwl_mac_data_ibss ibss; + }; +} __packed; /* MAC_CONTEXT_CMD_API_S_VER_1 */ + +static inline u32 iwl_mvm_reciprocal(u32 v) +{ + if (!v) + return 0; + return 0xFFFFFFFF / v; +} + +#endif /* __fw_api_mac_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h new file mode 100644 index 000000000000..be36b7604b7f --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h @@ -0,0 +1,140 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#ifndef __fw_api_power_h__ +#define __fw_api_power_h__ + +/* Power Management Commands, Responses, Notifications */ + +/** + * enum iwl_scan_flags - masks for power table command flags + * @POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK: '0' Driver disables power management, + * '1' Driver enables PM (use rest of parameters) + * @POWER_FLAGS_SLEEP_OVER_DTIM_MSK: '0' PM have to walk up every DTIM, + * '1' PM could sleep over DTIM till listen Interval. + * @POWER_FLAGS_LPRX_ENA_MSK: Low Power RX enable. + * @POWER_FLAGS_SNOOZE_ENA_MSK: Enable snoozing only if uAPSD is enabled and all + * access categories are both delivery and trigger enabled. + * @POWER_FLAGS_BT_SCO_ENA: Enable BT SCO coex only if uAPSD and + * PBW Snoozing enabled + * @POWER_FLAGS_ADVANCE_PM_ENA_MSK: Advanced PM (uAPSD) enable mask +*/ +enum iwl_power_flags { + POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK = BIT(0), + POWER_FLAGS_SLEEP_OVER_DTIM_MSK = BIT(1), + POWER_FLAGS_LPRX_ENA_MSK = BIT(2), + POWER_FLAGS_SNOOZE_ENA_MSK = BIT(3), + POWER_FLAGS_BT_SCO_ENA = BIT(4), + POWER_FLAGS_ADVANCE_PM_ENA_MSK = BIT(5) +}; + +/** + * struct iwl_powertable_cmd - Power Table Command + * POWER_TABLE_CMD = 0x77 (command, has simple generic response) + * + * @id_and_color: MAC contex identifier + * @action: Action on context - no action, add new, + * modify existent, remove + * @flags: Power table command flags from POWER_FLAGS_* + * @keep_alive_seconds: Keep alive period in seconds. Default - 25 sec. + * Minimum allowed:- 3 * DTIM + * @rx_data_timeout: Minimum time (usec) from last Rx packet for AM to + * PSM transition - legacy PM + * @tx_data_timeout: Minimum time (usec) from last Tx packet for AM to + * PSM transition - legacy PM + * @rx_data_timeout_uapsd: Minimum time (usec) from last Rx packet for AM to + * PSM transition - uAPSD + * @tx_data_timeout_uapsd: Minimum time (usec) from last Tx packet for AM to + * PSM transition - uAPSD + * @lprx_rssi_threshold: Signal strength up to which LP RX can be enabled. + * Default: 80dbm + * @num_skip_dtim: Number of DTIMs to skip if Skip over DTIM flag is set + * @snooze_interval: TBD + * @snooze_window: TBD + * @snooze_step: TBD + * @qndp_tid: TBD + * @uapsd_ac_flags: TBD + * @uapsd_max_sp: TBD + */ +struct iwl_powertable_cmd { + /* COMMON_INDEX_HDR_API_S_VER_1 */ + __le32 id_and_color; + __le32 action; + __le16 flags; + u8 reserved; + __le16 keep_alive_seconds; + __le32 rx_data_timeout; + __le32 tx_data_timeout; + __le32 rx_data_timeout_uapsd; + __le32 tx_data_timeout_uapsd; + u8 lprx_rssi_threshold; + u8 num_skip_dtim; + __le16 snooze_interval; + __le16 snooze_window; + u8 snooze_step; + u8 qndp_tid; + u8 uapsd_ac_flags; + u8 uapsd_max_sp; +} __packed; + +#endif diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-rs.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-rs.h new file mode 100644 index 000000000000..aa3474d08231 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-rs.h @@ -0,0 +1,312 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ + +#ifndef __fw_api_rs_h__ +#define __fw_api_rs_h__ + +#include "fw-api-mac.h" + +/* + * These serve as indexes into + * struct iwl_rate_info fw_rate_idx_to_plcp[IWL_RATE_COUNT]; + */ +enum { + IWL_RATE_1M_INDEX = 0, + IWL_FIRST_CCK_RATE = IWL_RATE_1M_INDEX, + IWL_RATE_2M_INDEX, + IWL_RATE_5M_INDEX, + IWL_RATE_11M_INDEX, + IWL_LAST_CCK_RATE = IWL_RATE_11M_INDEX, + IWL_RATE_6M_INDEX, + IWL_FIRST_OFDM_RATE = IWL_RATE_6M_INDEX, + IWL_RATE_9M_INDEX, + IWL_RATE_12M_INDEX, + IWL_RATE_18M_INDEX, + IWL_RATE_24M_INDEX, + IWL_RATE_36M_INDEX, + IWL_RATE_48M_INDEX, + IWL_RATE_54M_INDEX, + IWL_LAST_NON_HT_RATE = IWL_RATE_54M_INDEX, + IWL_RATE_60M_INDEX, + IWL_LAST_OFDM_RATE = IWL_RATE_60M_INDEX, + IWL_RATE_COUNT_LEGACY = IWL_LAST_NON_HT_RATE + 1, + IWL_RATE_COUNT, +}; + +#define IWL_RATE_BIT_MSK(r) BIT(IWL_RATE_##r##M_INDEX) + +/* fw API values for legacy bit rates, both OFDM and CCK */ +enum { + IWL_RATE_6M_PLCP = 13, + IWL_RATE_9M_PLCP = 15, + IWL_RATE_12M_PLCP = 5, + IWL_RATE_18M_PLCP = 7, + IWL_RATE_24M_PLCP = 9, + IWL_RATE_36M_PLCP = 11, + IWL_RATE_48M_PLCP = 1, + IWL_RATE_54M_PLCP = 3, + IWL_RATE_1M_PLCP = 10, + IWL_RATE_2M_PLCP = 20, + IWL_RATE_5M_PLCP = 55, + IWL_RATE_11M_PLCP = 110, +}; + +/* + * rate_n_flags bit fields + * + * The 32-bit value has different layouts in the low 8 bites depending on the + * format. There are three formats, HT, VHT and legacy (11abg, with subformats + * for CCK and OFDM). + * + * High-throughput (HT) rate format + * bit 8 is 1, bit 26 is 0, bit 9 is 0 (OFDM) + * Very High-throughput (VHT) rate format + * bit 8 is 0, bit 26 is 1, bit 9 is 0 (OFDM) + * Legacy OFDM rate format for bits 7:0 + * bit 8 is 0, bit 26 is 0, bit 9 is 0 (OFDM) + * Legacy CCK rate format for bits 7:0: + * bit 8 is 0, bit 26 is 0, bit 9 is 1 (CCK) + */ + +/* Bit 8: (1) HT format, (0) legacy or VHT format */ +#define RATE_MCS_HT_POS 8 +#define RATE_MCS_HT_MSK (1 << RATE_MCS_HT_POS) + +/* Bit 9: (1) CCK, (0) OFDM. HT (bit 8) must be "0" for this bit to be valid */ +#define RATE_MCS_CCK_POS 9 +#define RATE_MCS_CCK_MSK (1 << RATE_MCS_CCK_POS) + +/* Bit 26: (1) VHT format, (0) legacy format in bits 8:0 */ +#define RATE_MCS_VHT_POS 26 +#define RATE_MCS_VHT_MSK (1 << RATE_MCS_VHT_POS) + + +/* + * High-throughput (HT) rate format for bits 7:0 + * + * 2-0: MCS rate base + * 0) 6 Mbps + * 1) 12 Mbps + * 2) 18 Mbps + * 3) 24 Mbps + * 4) 36 Mbps + * 5) 48 Mbps + * 6) 54 Mbps + * 7) 60 Mbps + * 4-3: 0) Single stream (SISO) + * 1) Dual stream (MIMO) + * 2) Triple stream (MIMO) + * 5: Value of 0x20 in bits 7:0 indicates 6 Mbps HT40 duplicate data + * (bits 7-6 are zero) + * + * Together the low 5 bits work out to the MCS index because we don't + * support MCSes above 15/23, and 0-7 have one stream, 8-15 have two + * streams and 16-23 have three streams. We could also support MCS 32 + * which is the duplicate 20 MHz MCS (bit 5 set, all others zero.) + */ +#define RATE_HT_MCS_RATE_CODE_MSK 0x7 + +/* Bit 10: (1) Use Green Field preamble */ +#define RATE_HT_MCS_GF_POS 10 +#define RATE_HT_MCS_GF_MSK (1 << RATE_HT_MCS_GF_POS) + +#define RATE_HT_MCS_INDEX_MSK 0x3f + +/* + * Very High-throughput (VHT) rate format for bits 7:0 + * + * 3-0: VHT MCS (0-9) + * 5-4: number of streams - 1: + * 0) Single stream (SISO) + * 1) Dual stream (MIMO) + * 2) Triple stream (MIMO) + */ + +/* Bit 4-5: (0) SISO, (1) MIMO2 (2) MIMO3 */ +#define RATE_VHT_MCS_RATE_CODE_MSK 0xf +#define RATE_VHT_MCS_NSS_POS 4 +#define RATE_VHT_MCS_NSS_MSK (3 << RATE_VHT_MCS_NSS_POS) + +/* + * Legacy OFDM rate format for bits 7:0 + * + * 3-0: 0xD) 6 Mbps + * 0xF) 9 Mbps + * 0x5) 12 Mbps + * 0x7) 18 Mbps + * 0x9) 24 Mbps + * 0xB) 36 Mbps + * 0x1) 48 Mbps + * 0x3) 54 Mbps + * (bits 7-4 are 0) + * + * Legacy CCK rate format for bits 7:0: + * bit 8 is 0, bit 26 is 0, bit 9 is 1 (CCK): + * + * 6-0: 10) 1 Mbps + * 20) 2 Mbps + * 55) 5.5 Mbps + * 110) 11 Mbps + * (bit 7 is 0) + */ +#define RATE_LEGACY_RATE_MSK 0xff + + +/* + * Bit 11-12: (0) 20MHz, (1) 40MHz, (2) 80MHz, (3) 160MHz + * 0 and 1 are valid for HT and VHT, 2 and 3 only for VHT + */ +#define RATE_MCS_CHAN_WIDTH_POS 11 +#define RATE_MCS_CHAN_WIDTH_MSK (3 << RATE_MCS_CHAN_WIDTH_POS) +#define RATE_MCS_CHAN_WIDTH_20 (0 << RATE_MCS_CHAN_WIDTH_POS) +#define RATE_MCS_CHAN_WIDTH_40 (1 << RATE_MCS_CHAN_WIDTH_POS) +#define RATE_MCS_CHAN_WIDTH_80 (2 << RATE_MCS_CHAN_WIDTH_POS) +#define RATE_MCS_CHAN_WIDTH_160 (3 << RATE_MCS_CHAN_WIDTH_POS) + +/* Bit 13: (1) Short guard interval (0.4 usec), (0) normal GI (0.8 usec) */ +#define RATE_MCS_SGI_POS 13 +#define RATE_MCS_SGI_MSK (1 << RATE_MCS_SGI_POS) + +/* Bit 14-16: Antenna selection (1) Ant A, (2) Ant B, (4) Ant C */ +#define RATE_MCS_ANT_POS 14 +#define RATE_MCS_ANT_A_MSK (1 << RATE_MCS_ANT_POS) +#define RATE_MCS_ANT_B_MSK (2 << RATE_MCS_ANT_POS) +#define RATE_MCS_ANT_C_MSK (4 << RATE_MCS_ANT_POS) +#define RATE_MCS_ANT_AB_MSK (RATE_MCS_ANT_A_MSK | \ + RATE_MCS_ANT_B_MSK) +#define RATE_MCS_ANT_ABC_MSK (RATE_MCS_ANT_AB_MSK | \ + RATE_MCS_ANT_C_MSK) +#define RATE_MCS_ANT_MSK RATE_MCS_ANT_ABC_MSK +#define RATE_MCS_ANT_NUM 3 + +/* Bit 17-18: (0) SS, (1) SS*2 */ +#define RATE_MCS_STBC_POS 17 +#define RATE_MCS_STBC_MSK (1 << RATE_MCS_STBC_POS) + +/* Bit 19: (0) Beamforming is off, (1) Beamforming is on */ +#define RATE_MCS_BF_POS 19 +#define RATE_MCS_BF_MSK (1 << RATE_MCS_BF_POS) + +/* Bit 20: (0) ZLF is off, (1) ZLF is on */ +#define RATE_MCS_ZLF_POS 20 +#define RATE_MCS_ZLF_MSK (1 << RATE_MCS_ZLF_POS) + +/* Bit 24-25: (0) 20MHz (no dup), (1) 2x20MHz, (2) 4x20MHz, 3 8x20MHz */ +#define RATE_MCS_DUP_POS 24 +#define RATE_MCS_DUP_MSK (3 << RATE_MCS_DUP_POS) + +/* Bit 27: (1) LDPC enabled, (0) LDPC disabled */ +#define RATE_MCS_LDPC_POS 27 +#define RATE_MCS_LDPC_MSK (1 << RATE_MCS_LDPC_POS) + + +/* Link Quality definitions */ + +/* # entries in rate scale table to support Tx retries */ +#define LQ_MAX_RETRY_NUM 16 + +/* Link quality command flags, only this one is available */ +#define LQ_FLAG_SET_STA_TLC_RTS_MSK BIT(0) + +/** + * struct iwl_lq_cmd - link quality command + * @sta_id: station to update + * @control: not used + * @flags: combination of LQ_FLAG_* + * @mimo_delim: the first SISO index in rs_table, which separates MIMO + * and SISO rates + * @single_stream_ant_msk: best antenna for SISO (can be dual in CDD). + * Should be ANT_[ABC] + * @dual_stream_ant_msk: best antennas for MIMO, combination of ANT_[ABC] + * @initial_rate_index: first index from rs_table per AC category + * @agg_time_limit: aggregation max time threshold in usec/100, meaning + * value of 100 is one usec. Range is 100 to 8000 + * @agg_disable_start_th: try-count threshold for starting aggregation. + * If a frame has higher try-count, it should not be selected for + * starting an aggregation sequence. + * @agg_frame_cnt_limit: max frame count in an aggregation. + * 0: no limit + * 1: no aggregation (one frame per aggregation) + * 2 - 0x3f: maximal number of frames (up to 3f == 63) + * @rs_table: array of rates for each TX try, each is rate_n_flags, + * meaning it is a combination of RATE_MCS_* and IWL_RATE_*_PLCP + * @bf_params: beam forming params, currently not used + */ +struct iwl_lq_cmd { + u8 sta_id; + u8 reserved1; + u16 control; + /* LINK_QUAL_GENERAL_PARAMS_API_S_VER_1 */ + u8 flags; + u8 mimo_delim; + u8 single_stream_ant_msk; + u8 dual_stream_ant_msk; + u8 initial_rate_index[AC_NUM]; + /* LINK_QUAL_AGG_PARAMS_API_S_VER_1 */ + __le16 agg_time_limit; + u8 agg_disable_start_th; + u8 agg_frame_cnt_limit; + __le32 reserved2; + __le32 rs_table[LQ_MAX_RETRY_NUM]; + __le32 bf_params; +}; /* LINK_QUALITY_CMD_API_S_VER_1 */ +#endif /* __fw_api_rs_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h new file mode 100644 index 000000000000..670ac8f95e26 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h @@ -0,0 +1,561 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#ifndef __fw_api_scan_h__ +#define __fw_api_scan_h__ + +#include "fw-api.h" + +/* Scan Commands, Responses, Notifications */ + +/* Masks for iwl_scan_channel.type flags */ +#define SCAN_CHANNEL_TYPE_PASSIVE 0 +#define SCAN_CHANNEL_TYPE_ACTIVE BIT(0) +#define SCAN_CHANNEL_NARROW_BAND BIT(22) + +/* Max number of IEs for direct SSID scans in a command */ +#define PROBE_OPTION_MAX 20 + +/** + * struct iwl_scan_channel - entry in REPLY_SCAN_CMD channel table + * @channel: band is selected by iwl_scan_cmd "flags" field + * @tx_gain: gain for analog radio + * @dsp_atten: gain for DSP + * @active_dwell: dwell time for active scan in TU, typically 5-50 + * @passive_dwell: dwell time for passive scan in TU, typically 20-500 + * @type: type is broken down to these bits: + * bit 0: 0 = passive, 1 = active + * bits 1-20: SSID direct bit map. If any of these bits is set then + * the corresponding SSID IE is transmitted in probe request + * (bit i adds IE in position i to the probe request) + * bit 22: channel width, 0 = regular, 1 = TGj narrow channel + * + * @iteration_count: + * @iteration_interval: + * This struct is used once for each channel in the scan list. + * Each channel can independently select: + * 1) SSID for directed active scans + * 2) Txpower setting (for rate specified within Tx command) + * 3) How long to stay on-channel (behavior may be modified by quiet_time, + * quiet_plcp_th, good_CRC_th) + * + * To avoid uCode errors, make sure the following are true (see comments + * under struct iwl_scan_cmd about max_out_time and quiet_time): + * 1) If using passive_dwell (i.e. passive_dwell != 0): + * active_dwell <= passive_dwell (< max_out_time if max_out_time != 0) + * 2) quiet_time <= active_dwell + * 3) If restricting off-channel time (i.e. max_out_time !=0): + * passive_dwell < max_out_time + * active_dwell < max_out_time + */ +struct iwl_scan_channel { + __le32 type; + __le16 channel; + __le16 iteration_count; + __le32 iteration_interval; + __le16 active_dwell; + __le16 passive_dwell; +} __packed; /* SCAN_CHANNEL_CONTROL_API_S_VER_1 */ + +/** + * struct iwl_ssid_ie - directed scan network information element + * + * Up to 20 of these may appear in REPLY_SCAN_CMD, + * selected by "type" bit field in struct iwl_scan_channel; + * each channel may select different ssids from among the 20 entries. + * SSID IEs get transmitted in reverse order of entry. + */ +struct iwl_ssid_ie { + u8 id; + u8 len; + u8 ssid[IEEE80211_MAX_SSID_LEN]; +} __packed; /* SCAN_DIRECT_SSID_IE_API_S_VER_1 */ + +/** + * iwl_scan_flags - masks for scan command flags + *@SCAN_FLAGS_PERIODIC_SCAN: + *@SCAN_FLAGS_P2P_PUBLIC_ACTION_FRAME_TX: + *@SCAN_FLAGS_DELAYED_SCAN_LOWBAND: + *@SCAN_FLAGS_DELAYED_SCAN_HIGHBAND: + *@SCAN_FLAGS_FRAGMENTED_SCAN: + */ +enum iwl_scan_flags { + SCAN_FLAGS_PERIODIC_SCAN = BIT(0), + SCAN_FLAGS_P2P_PUBLIC_ACTION_FRAME_TX = BIT(1), + SCAN_FLAGS_DELAYED_SCAN_LOWBAND = BIT(2), + SCAN_FLAGS_DELAYED_SCAN_HIGHBAND = BIT(3), + SCAN_FLAGS_FRAGMENTED_SCAN = BIT(4), +}; + +/** + * enum iwl_scan_type - Scan types for scan command + * @SCAN_TYPE_FORCED: + * @SCAN_TYPE_BACKGROUND: + * @SCAN_TYPE_OS: + * @SCAN_TYPE_ROAMING: + * @SCAN_TYPE_ACTION: + * @SCAN_TYPE_DISCOVERY: + * @SCAN_TYPE_DISCOVERY_FORCED: + */ +enum iwl_scan_type { + SCAN_TYPE_FORCED = 0, + SCAN_TYPE_BACKGROUND = 1, + SCAN_TYPE_OS = 2, + SCAN_TYPE_ROAMING = 3, + SCAN_TYPE_ACTION = 4, + SCAN_TYPE_DISCOVERY = 5, + SCAN_TYPE_DISCOVERY_FORCED = 6, +}; /* SCAN_ACTIVITY_TYPE_E_VER_1 */ + +/* Maximal number of channels to scan */ +#define MAX_NUM_SCAN_CHANNELS 0x24 + +/** + * struct iwl_scan_cmd - scan request command + * ( SCAN_REQUEST_CMD = 0x80 ) + * @len: command length in bytes + * @scan_flags: scan flags from SCAN_FLAGS_* + * @channel_count: num of channels in channel list (1 - MAX_NUM_SCAN_CHANNELS) + * @quiet_time: in msecs, dwell this time for active scan on quiet channels + * @quiet_plcp_th: quiet PLCP threshold (channel is quiet if less than + * this number of packets were received (typically 1) + * @passive2active: is auto switching from passive to active allowed (0 or 1) + * @rxchain_sel_flags: RXON_RX_CHAIN_* + * @max_out_time: in usecs, max out of serving channel time + * @suspend_time: how long to pause scan when returning to service channel: + * bits 0-19: beacon interal in usecs (suspend before executing) + * bits 20-23: reserved + * bits 24-31: number of beacons (suspend between channels) + * @rxon_flags: RXON_FLG_* + * @filter_flags: RXON_FILTER_* + * @tx_cmd: for active scans (zero for passive), w/o payload, + * no RS so specify TX rate + * @direct_scan: direct scan SSIDs + * @type: one of SCAN_TYPE_* + * @repeats: how many time to repeat the scan + */ +struct iwl_scan_cmd { + __le16 len; + u8 scan_flags; + u8 channel_count; + __le16 quiet_time; + __le16 quiet_plcp_th; + __le16 passive2active; + __le16 rxchain_sel_flags; + __le32 max_out_time; + __le32 suspend_time; + /* RX_ON_FLAGS_API_S_VER_1 */ + __le32 rxon_flags; + __le32 filter_flags; + struct iwl_tx_cmd tx_cmd; + struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX]; + __le32 type; + __le32 repeats; + + /* + * Probe request frame, followed by channel list. + * + * Size of probe request frame is specified by byte count in tx_cmd. + * Channel list follows immediately after probe request frame. + * Number of channels in list is specified by channel_count. + * Each channel in list is of type: + * + * struct iwl_scan_channel channels[0]; + * + * NOTE: Only one band of channels can be scanned per pass. You + * must not mix 2.4GHz channels and 5.2GHz channels, and you must wait + * for one scan to complete (i.e. receive SCAN_COMPLETE_NOTIFICATION) + * before requesting another scan. + */ + u8 data[0]; +} __packed; /* SCAN_REQUEST_FIXED_PART_API_S_VER_5 */ + +/* Response to scan request contains only status with one of these values */ +#define SCAN_RESPONSE_OK 0x1 +#define SCAN_RESPONSE_ERROR 0x2 + +/* + * SCAN_ABORT_CMD = 0x81 + * When scan abort is requested, the command has no fields except the common + * header. The response contains only a status with one of these values. + */ +#define SCAN_ABORT_POSSIBLE 0x1 +#define SCAN_ABORT_IGNORED 0x2 /* no pending scans */ + +/* TODO: complete documentation */ +#define SCAN_OWNER_STATUS 0x1 +#define MEASURE_OWNER_STATUS 0x2 + +/** + * struct iwl_scan_start_notif - notifies start of scan in the device + * ( SCAN_START_NOTIFICATION = 0x82 ) + * @tsf_low: TSF timer (lower half) in usecs + * @tsf_high: TSF timer (higher half) in usecs + * @beacon_timer: structured as follows: + * bits 0:19 - beacon interval in usecs + * bits 20:23 - reserved (0) + * bits 24:31 - number of beacons + * @channel: which channel is scanned + * @band: 0 for 5.2 GHz, 1 for 2.4 GHz + * @status: one of *_OWNER_STATUS + */ +struct iwl_scan_start_notif { + __le32 tsf_low; + __le32 tsf_high; + __le32 beacon_timer; + u8 channel; + u8 band; + u8 reserved[2]; + __le32 status; +} __packed; /* SCAN_START_NTF_API_S_VER_1 */ + +/* scan results probe_status first bit indicates success */ +#define SCAN_PROBE_STATUS_OK 0 +#define SCAN_PROBE_STATUS_TX_FAILED BIT(0) +/* error statuses combined with TX_FAILED */ +#define SCAN_PROBE_STATUS_FAIL_TTL BIT(1) +#define SCAN_PROBE_STATUS_FAIL_BT BIT(2) + +/* How many statistics are gathered for each channel */ +#define SCAN_RESULTS_STATISTICS 1 + +/** + * enum iwl_scan_complete_status - status codes for scan complete notifications + * @SCAN_COMP_STATUS_OK: scan completed successfully + * @SCAN_COMP_STATUS_ABORT: scan was aborted by user + * @SCAN_COMP_STATUS_ERR_SLEEP: sending null sleep packet failed + * @SCAN_COMP_STATUS_ERR_CHAN_TIMEOUT: timeout before channel is ready + * @SCAN_COMP_STATUS_ERR_PROBE: sending probe request failed + * @SCAN_COMP_STATUS_ERR_WAKEUP: sending null wakeup packet failed + * @SCAN_COMP_STATUS_ERR_ANTENNAS: invalid antennas chosen at scan command + * @SCAN_COMP_STATUS_ERR_INTERNAL: internal error caused scan abort + * @SCAN_COMP_STATUS_ERR_COEX: medium was lost ot WiMax + * @SCAN_COMP_STATUS_P2P_ACTION_OK: P2P public action frame TX was successful + * (not an error!) + * @SCAN_COMP_STATUS_ITERATION_END: indicates end of one repeatition the driver + * asked for + * @SCAN_COMP_STATUS_ERR_ALLOC_TE: scan could not allocate time events +*/ +enum iwl_scan_complete_status { + SCAN_COMP_STATUS_OK = 0x1, + SCAN_COMP_STATUS_ABORT = 0x2, + SCAN_COMP_STATUS_ERR_SLEEP = 0x3, + SCAN_COMP_STATUS_ERR_CHAN_TIMEOUT = 0x4, + SCAN_COMP_STATUS_ERR_PROBE = 0x5, + SCAN_COMP_STATUS_ERR_WAKEUP = 0x6, + SCAN_COMP_STATUS_ERR_ANTENNAS = 0x7, + SCAN_COMP_STATUS_ERR_INTERNAL = 0x8, + SCAN_COMP_STATUS_ERR_COEX = 0x9, + SCAN_COMP_STATUS_P2P_ACTION_OK = 0xA, + SCAN_COMP_STATUS_ITERATION_END = 0x0B, + SCAN_COMP_STATUS_ERR_ALLOC_TE = 0x0C, +}; + +/** + * struct iwl_scan_results_notif - scan results for one channel + * ( SCAN_RESULTS_NOTIFICATION = 0x83 ) + * @channel: which channel the results are from + * @band: 0 for 5.2 GHz, 1 for 2.4 GHz + * @probe_status: SCAN_PROBE_STATUS_*, indicates success of probe request + * @num_probe_not_sent: # of request that weren't sent due to not enough time + * @duration: duration spent in channel, in usecs + * @statistics: statistics gathered for this channel + */ +struct iwl_scan_results_notif { + u8 channel; + u8 band; + u8 probe_status; + u8 num_probe_not_sent; + __le32 duration; + __le32 statistics[SCAN_RESULTS_STATISTICS]; +} __packed; /* SCAN_RESULT_NTF_API_S_VER_2 */ + +/** + * struct iwl_scan_complete_notif - notifies end of scanning (all channels) + * ( SCAN_COMPLETE_NOTIFICATION = 0x84 ) + * @scanned_channels: number of channels scanned (and number of valid results) + * @status: one of SCAN_COMP_STATUS_* + * @bt_status: BT on/off status + * @last_channel: last channel that was scanned + * @tsf_low: TSF timer (lower half) in usecs + * @tsf_high: TSF timer (higher half) in usecs + * @results: all scan results, only "scanned_channels" of them are valid + */ +struct iwl_scan_complete_notif { + u8 scanned_channels; + u8 status; + u8 bt_status; + u8 last_channel; + __le32 tsf_low; + __le32 tsf_high; + struct iwl_scan_results_notif results[MAX_NUM_SCAN_CHANNELS]; +} __packed; /* SCAN_COMPLETE_NTF_API_S_VER_2 */ + +/* scan offload */ +#define IWL_MAX_SCAN_CHANNELS 40 +#define IWL_SCAN_MAX_BLACKLIST_LEN 64 +#define IWL_SCAN_MAX_PROFILES 11 +#define SCAN_OFFLOAD_PROBE_REQ_SIZE 512 + +/* Default watchdog (in MS) for scheduled scan iteration */ +#define IWL_SCHED_SCAN_WATCHDOG cpu_to_le16(15000) + +#define IWL_GOOD_CRC_TH_DEFAULT cpu_to_le16(1) +#define CAN_ABORT_STATUS 1 + +#define IWL_FULL_SCAN_MULTIPLIER 5 +#define IWL_FAST_SCHED_SCAN_ITERATIONS 3 + +/** + * struct iwl_scan_offload_cmd - SCAN_REQUEST_FIXED_PART_API_S_VER_6 + * @scan_flags: see enum iwl_scan_flags + * @channel_count: channels in channel list + * @quiet_time: dwell time, in milisiconds, on quiet channel + * @quiet_plcp_th: quiet channel num of packets threshold + * @good_CRC_th: passive to active promotion threshold + * @rx_chain: RXON rx chain. + * @max_out_time: max uSec to be out of assoceated channel + * @suspend_time: pause scan this long when returning to service channel + * @flags: RXON flags + * @filter_flags: RXONfilter + * @tx_cmd: tx command for active scan; for 2GHz and for 5GHz. + * @direct_scan: list of SSIDs for directed active scan + * @scan_type: see enum iwl_scan_type. + * @rep_count: repetition count for each scheduled scan iteration. + */ +struct iwl_scan_offload_cmd { + __le16 len; + u8 scan_flags; + u8 channel_count; + __le16 quiet_time; + __le16 quiet_plcp_th; + __le16 good_CRC_th; + __le16 rx_chain; + __le32 max_out_time; + __le32 suspend_time; + /* RX_ON_FLAGS_API_S_VER_1 */ + __le32 flags; + __le32 filter_flags; + struct iwl_tx_cmd tx_cmd[2]; + /* SCAN_DIRECT_SSID_IE_API_S_VER_1 */ + struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX]; + __le32 scan_type; + __le32 rep_count; +} __packed; + +enum iwl_scan_offload_channel_flags { + IWL_SCAN_OFFLOAD_CHANNEL_ACTIVE = BIT(0), + IWL_SCAN_OFFLOAD_CHANNEL_NARROW = BIT(22), + IWL_SCAN_OFFLOAD_CHANNEL_FULL = BIT(24), + IWL_SCAN_OFFLOAD_CHANNEL_PARTIAL = BIT(25), +}; + +/** + * iwl_scan_channel_cfg - SCAN_CHANNEL_CFG_S + * @type: bitmap - see enum iwl_scan_offload_channel_flags. + * 0: passive (0) or active (1) scan. + * 1-20: directed scan to i'th ssid. + * 22: channel width configuation - 1 for narrow. + * 24: full scan. + * 25: partial scan. + * @channel_number: channel number 1-13 etc. + * @iter_count: repetition count for the channel. + * @iter_interval: interval between two innteration on one channel. + * @dwell_time: entry 0 - active scan, entry 1 - passive scan. + */ +struct iwl_scan_channel_cfg { + __le32 type[IWL_MAX_SCAN_CHANNELS]; + __le16 channel_number[IWL_MAX_SCAN_CHANNELS]; + __le16 iter_count[IWL_MAX_SCAN_CHANNELS]; + __le32 iter_interval[IWL_MAX_SCAN_CHANNELS]; + u8 dwell_time[IWL_MAX_SCAN_CHANNELS][2]; +} __packed; + +/** + * iwl_scan_offload_cfg - SCAN_OFFLOAD_CONFIG_API_S + * @scan_cmd: scan command fixed part + * @channel_cfg: scan channel configuration + * @data: probe request frames (one per band) + */ +struct iwl_scan_offload_cfg { + struct iwl_scan_offload_cmd scan_cmd; + struct iwl_scan_channel_cfg channel_cfg; + u8 data[0]; +} __packed; + +/** + * iwl_scan_offload_blacklist - SCAN_OFFLOAD_BLACKLIST_S + * @ssid: MAC address to filter out + * @reported_rssi: AP rssi reported to the host + */ +struct iwl_scan_offload_blacklist { + u8 ssid[ETH_ALEN]; + u8 reported_rssi; + u8 reserved; +} __packed; + +enum iwl_scan_offload_network_type { + IWL_NETWORK_TYPE_BSS = 1, + IWL_NETWORK_TYPE_IBSS = 2, + IWL_NETWORK_TYPE_ANY = 3, +}; + +enum iwl_scan_offload_band_selection { + IWL_SCAN_OFFLOAD_SELECT_2_4 = 0x4, + IWL_SCAN_OFFLOAD_SELECT_5_2 = 0x8, + IWL_SCAN_OFFLOAD_SELECT_ANY = 0xc, +}; + +/** + * iwl_scan_offload_profile - SCAN_OFFLOAD_PROFILE_S + * @ssid_index: index to ssid list in fixed part + * @unicast_cipher: encryption olgorithm to match - bitmap + * @aut_alg: authentication olgorithm to match - bitmap + * @network_type: enum iwl_scan_offload_network_type + * @band_selection: enum iwl_scan_offload_band_selection + */ +struct iwl_scan_offload_profile { + u8 ssid_index; + u8 unicast_cipher; + u8 auth_alg; + u8 network_type; + u8 band_selection; + u8 reserved[3]; +} __packed; + +/** + * iwl_scan_offload_profile_cfg - SCAN_OFFLOAD_PROFILES_CFG_API_S_VER_1 + * @blaclist: AP list to filter off from scan results + * @profiles: profiles to search for match + * @blacklist_len: length of blacklist + * @num_profiles: num of profiles in the list + */ +struct iwl_scan_offload_profile_cfg { + struct iwl_scan_offload_blacklist blacklist[IWL_SCAN_MAX_BLACKLIST_LEN]; + struct iwl_scan_offload_profile profiles[IWL_SCAN_MAX_PROFILES]; + u8 blacklist_len; + u8 num_profiles; + u8 reserved[2]; +} __packed; + +/** + * iwl_scan_offload_schedule - schedule of scan offload + * @delay: delay between iterations, in seconds. + * @iterations: num of scan iterations + * @full_scan_mul: number of partial scans before each full scan + */ +struct iwl_scan_offload_schedule { + u16 delay; + u8 iterations; + u8 full_scan_mul; +} __packed; + +/* + * iwl_scan_offload_flags + * + * IWL_SCAN_OFFLOAD_FLAG_FILTER_SSID: filter mode - upload every beacon or match + * ssid list. + * IWL_SCAN_OFFLOAD_FLAG_CACHED_CHANNEL: add cached channels to partial scan. + * IWL_SCAN_OFFLOAD_FLAG_ENERGY_SCAN: use energy based scan before partial scan + * on A band. + */ +enum iwl_scan_offload_flags { + IWL_SCAN_OFFLOAD_FLAG_FILTER_SSID = BIT(0), + IWL_SCAN_OFFLOAD_FLAG_CACHED_CHANNEL = BIT(2), + IWL_SCAN_OFFLOAD_FLAG_ENERGY_SCAN = BIT(3), +}; + +/** + * iwl_scan_offload_req - scan offload request command + * @flags: bitmap - enum iwl_scan_offload_flags. + * @watchdog: maximum scan duration in TU. + * @delay: delay in seconds before first iteration. + * @schedule_line: scan offload schedule, for fast and regular scan. + */ +struct iwl_scan_offload_req { + __le16 flags; + __le16 watchdog; + __le16 delay; + __le16 reserved; + struct iwl_scan_offload_schedule schedule_line[2]; +} __packed; + +enum iwl_scan_offload_compleate_status { + IWL_SCAN_OFFLOAD_COMPLETED = 1, + IWL_SCAN_OFFLOAD_ABORTED = 2, +}; + +/** + * iwl_scan_offload_complete - SCAN_OFFLOAD_COMPLETE_NTF_API_S_VER_1 + * @last_schedule_line: last schedule line executed (fast or regular) + * @last_schedule_iteration: last scan iteration executed before scan abort + * @status: enum iwl_scan_offload_compleate_status + */ +struct iwl_scan_offload_complete { + u8 last_schedule_line; + u8 last_schedule_iteration; + u8 status; + u8 reserved; +} __packed; + +#endif diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h new file mode 100644 index 000000000000..0acb53dda22d --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h @@ -0,0 +1,380 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ + +#ifndef __fw_api_sta_h__ +#define __fw_api_sta_h__ + +/** + * enum iwl_sta_flags - flags for the ADD_STA host command + * @STA_FLG_REDUCED_TX_PWR_CTRL: + * @STA_FLG_REDUCED_TX_PWR_DATA: + * @STA_FLG_FLG_ANT_MSK: Antenna selection + * @STA_FLG_PS: set if STA is in Power Save + * @STA_FLG_INVALID: set if STA is invalid + * @STA_FLG_DLP_EN: Direct Link Protocol is enabled + * @STA_FLG_SET_ALL_KEYS: the current key applies to all key IDs + * @STA_FLG_DRAIN_FLOW: drain flow + * @STA_FLG_PAN: STA is for PAN interface + * @STA_FLG_CLASS_AUTH: + * @STA_FLG_CLASS_ASSOC: + * @STA_FLG_CLASS_MIMO_PROT: + * @STA_FLG_MAX_AGG_SIZE_MSK: maximal size for A-MPDU + * @STA_FLG_AGG_MPDU_DENS_MSK: maximal MPDU density for Tx aggregation + * @STA_FLG_FAT_EN_MSK: support for channel width (for Tx). This flag is + * initialised by driver and can be updated by fw upon reception of + * action frames that can change the channel width. When cleared the fw + * will send all the frames in 20MHz even when FAT channel is requested. + * @STA_FLG_MIMO_EN_MSK: support for MIMO. This flag is initialised by the + * driver and can be updated by fw upon reception of action frames. + * @STA_FLG_MFP_EN: Management Frame Protection + */ +enum iwl_sta_flags { + STA_FLG_REDUCED_TX_PWR_CTRL = BIT(3), + STA_FLG_REDUCED_TX_PWR_DATA = BIT(6), + + STA_FLG_FLG_ANT_A = (1 << 4), + STA_FLG_FLG_ANT_B = (2 << 4), + STA_FLG_FLG_ANT_MSK = (STA_FLG_FLG_ANT_A | + STA_FLG_FLG_ANT_B), + + STA_FLG_PS = BIT(8), + STA_FLG_INVALID = BIT(9), + STA_FLG_DLP_EN = BIT(10), + STA_FLG_SET_ALL_KEYS = BIT(11), + STA_FLG_DRAIN_FLOW = BIT(12), + STA_FLG_PAN = BIT(13), + STA_FLG_CLASS_AUTH = BIT(14), + STA_FLG_CLASS_ASSOC = BIT(15), + STA_FLG_RTS_MIMO_PROT = BIT(17), + + STA_FLG_MAX_AGG_SIZE_SHIFT = 19, + STA_FLG_MAX_AGG_SIZE_8K = (0 << STA_FLG_MAX_AGG_SIZE_SHIFT), + STA_FLG_MAX_AGG_SIZE_16K = (1 << STA_FLG_MAX_AGG_SIZE_SHIFT), + STA_FLG_MAX_AGG_SIZE_32K = (2 << STA_FLG_MAX_AGG_SIZE_SHIFT), + STA_FLG_MAX_AGG_SIZE_64K = (3 << STA_FLG_MAX_AGG_SIZE_SHIFT), + STA_FLG_MAX_AGG_SIZE_128K = (4 << STA_FLG_MAX_AGG_SIZE_SHIFT), + STA_FLG_MAX_AGG_SIZE_256K = (5 << STA_FLG_MAX_AGG_SIZE_SHIFT), + STA_FLG_MAX_AGG_SIZE_512K = (6 << STA_FLG_MAX_AGG_SIZE_SHIFT), + STA_FLG_MAX_AGG_SIZE_1024K = (7 << STA_FLG_MAX_AGG_SIZE_SHIFT), + STA_FLG_MAX_AGG_SIZE_MSK = (7 << STA_FLG_MAX_AGG_SIZE_SHIFT), + + STA_FLG_AGG_MPDU_DENS_SHIFT = 23, + STA_FLG_AGG_MPDU_DENS_2US = (4 << STA_FLG_AGG_MPDU_DENS_SHIFT), + STA_FLG_AGG_MPDU_DENS_4US = (5 << STA_FLG_AGG_MPDU_DENS_SHIFT), + STA_FLG_AGG_MPDU_DENS_8US = (6 << STA_FLG_AGG_MPDU_DENS_SHIFT), + STA_FLG_AGG_MPDU_DENS_16US = (7 << STA_FLG_AGG_MPDU_DENS_SHIFT), + STA_FLG_AGG_MPDU_DENS_MSK = (7 << STA_FLG_AGG_MPDU_DENS_SHIFT), + + STA_FLG_FAT_EN_20MHZ = (0 << 26), + STA_FLG_FAT_EN_40MHZ = (1 << 26), + STA_FLG_FAT_EN_80MHZ = (2 << 26), + STA_FLG_FAT_EN_160MHZ = (3 << 26), + STA_FLG_FAT_EN_MSK = (3 << 26), + + STA_FLG_MIMO_EN_SISO = (0 << 28), + STA_FLG_MIMO_EN_MIMO2 = (1 << 28), + STA_FLG_MIMO_EN_MIMO3 = (2 << 28), + STA_FLG_MIMO_EN_MSK = (3 << 28), +}; + +/** + * enum iwl_sta_key_flag - key flags for the ADD_STA host command + * @STA_KEY_FLG_EN_MSK: mask for encryption algorithm + * @STA_KEY_FLG_WEP_KEY_MAP: wep is either a group key (0 - legacy WEP) or from + * station info array (1 - n 1X mode) + * @STA_KEY_FLG_KEYID_MSK: the index of the key + * @STA_KEY_NOT_VALID: key is invalid + * @STA_KEY_FLG_WEP_13BYTES: set for 13 bytes WEP key + * @STA_KEY_MULTICAST: set for multical key + * @STA_KEY_MFP: key is used for Management Frame Protection + */ +enum iwl_sta_key_flag { + STA_KEY_FLG_NO_ENC = (0 << 0), + STA_KEY_FLG_WEP = (1 << 0), + STA_KEY_FLG_CCM = (2 << 0), + STA_KEY_FLG_TKIP = (3 << 0), + STA_KEY_FLG_CMAC = (6 << 0), + STA_KEY_FLG_ENC_UNKNOWN = (7 << 0), + STA_KEY_FLG_EN_MSK = (7 << 0), + + STA_KEY_FLG_WEP_KEY_MAP = BIT(3), + STA_KEY_FLG_KEYID_POS = 8, + STA_KEY_FLG_KEYID_MSK = (3 << STA_KEY_FLG_KEYID_POS), + STA_KEY_NOT_VALID = BIT(11), + STA_KEY_FLG_WEP_13BYTES = BIT(12), + STA_KEY_MULTICAST = BIT(14), + STA_KEY_MFP = BIT(15), +}; + +/** + * enum iwl_sta_modify_flag - indicate to the fw what flag are being changed + * @STA_MODIFY_KEY: this command modifies %key + * @STA_MODIFY_TID_DISABLE_TX: this command modifies %tid_disable_tx + * @STA_MODIFY_TX_RATE: unused + * @STA_MODIFY_ADD_BA_TID: this command modifies %add_immediate_ba_tid + * @STA_MODIFY_REMOVE_BA_TID: this command modifies %remove_immediate_ba_tid + * @STA_MODIFY_SLEEPING_STA_TX_COUNT: this command modifies %sleep_tx_count + * @STA_MODIFY_PROT_TH: + * @STA_MODIFY_QUEUES: modify the queues used by this station + */ +enum iwl_sta_modify_flag { + STA_MODIFY_KEY = BIT(0), + STA_MODIFY_TID_DISABLE_TX = BIT(1), + STA_MODIFY_TX_RATE = BIT(2), + STA_MODIFY_ADD_BA_TID = BIT(3), + STA_MODIFY_REMOVE_BA_TID = BIT(4), + STA_MODIFY_SLEEPING_STA_TX_COUNT = BIT(5), + STA_MODIFY_PROT_TH = BIT(6), + STA_MODIFY_QUEUES = BIT(7), +}; + +#define STA_MODE_MODIFY 1 + +/** + * enum iwl_sta_sleep_flag - type of sleep of the station + * @STA_SLEEP_STATE_AWAKE: + * @STA_SLEEP_STATE_PS_POLL: + * @STA_SLEEP_STATE_UAPSD: + */ +enum iwl_sta_sleep_flag { + STA_SLEEP_STATE_AWAKE = 0, + STA_SLEEP_STATE_PS_POLL = BIT(0), + STA_SLEEP_STATE_UAPSD = BIT(1), +}; + +/* STA ID and color bits definitions */ +#define STA_ID_SEED (0x0f) +#define STA_ID_POS (0) +#define STA_ID_MSK (STA_ID_SEED << STA_ID_POS) + +#define STA_COLOR_SEED (0x7) +#define STA_COLOR_POS (4) +#define STA_COLOR_MSK (STA_COLOR_SEED << STA_COLOR_POS) + +#define STA_ID_N_COLOR_GET_COLOR(id_n_color) \ + (((id_n_color) & STA_COLOR_MSK) >> STA_COLOR_POS) +#define STA_ID_N_COLOR_GET_ID(id_n_color) \ + (((id_n_color) & STA_ID_MSK) >> STA_ID_POS) + +#define STA_KEY_MAX_NUM (16) +#define STA_KEY_IDX_INVALID (0xff) +#define STA_KEY_MAX_DATA_KEY_NUM (4) +#define IWL_MAX_GLOBAL_KEYS (4) +#define STA_KEY_LEN_WEP40 (5) +#define STA_KEY_LEN_WEP104 (13) + +/** + * struct iwl_mvm_keyinfo - key information + * @key_flags: type %iwl_sta_key_flag + * @tkip_rx_tsc_byte2: TSC[2] for key mix ph1 detection + * @tkip_rx_ttak: 10-byte unicast TKIP TTAK for Rx + * @key_offset: key offset in the fw's key table + * @key: 16-byte unicast decryption key + * @tx_secur_seq_cnt: initial RSC / PN needed for replay check + * @hw_tkip_mic_rx_key: byte: MIC Rx Key - used for TKIP only + * @hw_tkip_mic_tx_key: byte: MIC Tx Key - used for TKIP only + */ +struct iwl_mvm_keyinfo { + __le16 key_flags; + u8 tkip_rx_tsc_byte2; + u8 reserved1; + __le16 tkip_rx_ttak[5]; + u8 key_offset; + u8 reserved2; + u8 key[16]; + __le64 tx_secur_seq_cnt; + __le64 hw_tkip_mic_rx_key; + __le64 hw_tkip_mic_tx_key; +} __packed; + +/** + * struct iwl_mvm_add_sta_cmd - Add / modify a station in the fw's station table + * ( REPLY_ADD_STA = 0x18 ) + * @add_modify: 1: modify existing, 0: add new station + * @unicast_tx_key_id: unicast tx key id. Relevant only when unicast key sent + * @multicast_tx_key_id: multicast tx key id. Relevant only when multicast key + * sent + * @mac_id_n_color: the Mac context this station belongs to + * @addr[ETH_ALEN]: station's MAC address + * @sta_id: index of station in uCode's station table + * @modify_mask: STA_MODIFY_*, selects which parameters to modify vs. leave + * alone. 1 - modify, 0 - don't change. + * @key: look at %iwl_mvm_keyinfo + * @station_flags: look at %iwl_sta_flags + * @station_flags_msk: what of %station_flags have changed + * @tid_disable_tx: is tid BIT(tid) enabled for Tx. Clear BIT(x) to enable + * AMPDU for tid x. Set %STA_MODIFY_TID_DISABLE_TX to change this field. + * @add_immediate_ba_tid: tid for which to add block-ack support (Rx) + * Set %STA_MODIFY_ADD_BA_TID to use this field, and also set + * add_immediate_ba_ssn. + * @remove_immediate_ba_tid: tid for which to remove block-ack support (Rx) + * Set %STA_MODIFY_REMOVE_BA_TID to use this field + * @add_immediate_ba_ssn: ssn for the Rx block-ack session. Used together with + * add_immediate_ba_tid. + * @sleep_tx_count: number of packets to transmit to station even though it is + * asleep. Used to synchronise PS-poll and u-APSD responses while ucode + * keeps track of STA sleep state. + * @sleep_state_flags: Look at %iwl_sta_sleep_flag. + * @assoc_id: assoc_id to be sent in VHT PLCP (9-bit), for grp use 0, for AP + * mac-addr. + * @beamform_flags: beam forming controls + * @tfd_queue_msk: tfd queues used by this station + * + * The device contains an internal table of per-station information, with info + * on security keys, aggregation parameters, and Tx rates for initial Tx + * attempt and any retries (set by REPLY_TX_LINK_QUALITY_CMD). + * + * ADD_STA sets up the table entry for one station, either creating a new + * entry, or modifying a pre-existing one. + */ +struct iwl_mvm_add_sta_cmd { + u8 add_modify; + u8 unicast_tx_key_id; + u8 multicast_tx_key_id; + u8 reserved1; + __le32 mac_id_n_color; + u8 addr[ETH_ALEN]; + __le16 reserved2; + u8 sta_id; + u8 modify_mask; + __le16 reserved3; + struct iwl_mvm_keyinfo key; + __le32 station_flags; + __le32 station_flags_msk; + __le16 tid_disable_tx; + __le16 reserved4; + u8 add_immediate_ba_tid; + u8 remove_immediate_ba_tid; + __le16 add_immediate_ba_ssn; + __le16 sleep_tx_count; + __le16 sleep_state_flags; + __le16 assoc_id; + __le16 beamform_flags; + __le32 tfd_queue_msk; +} __packed; /* ADD_STA_CMD_API_S_VER_5 */ + +/** + * enum iwl_mvm_add_sta_rsp_status - status in the response to ADD_STA command + * @ADD_STA_SUCCESS: operation was executed successfully + * @ADD_STA_STATIONS_OVERLOAD: no room left in the fw's station table + * @ADD_STA_IMMEDIATE_BA_FAILURE: can't add Rx block ack session + * @ADD_STA_MODIFY_NON_EXISTING_STA: driver requested to modify a station that + * doesn't exist. + */ +enum iwl_mvm_add_sta_rsp_status { + ADD_STA_SUCCESS = 0x1, + ADD_STA_STATIONS_OVERLOAD = 0x2, + ADD_STA_IMMEDIATE_BA_FAILURE = 0x4, + ADD_STA_MODIFY_NON_EXISTING_STA = 0x8, +}; + +/** + * struct iwl_mvm_rm_sta_cmd - Add / modify a station in the fw's station table + * ( REMOVE_STA = 0x19 ) + * @sta_id: the station id of the station to be removed + */ +struct iwl_mvm_rm_sta_cmd { + u8 sta_id; + u8 reserved[3]; +} __packed; /* REMOVE_STA_CMD_API_S_VER_2 */ + +/** + * struct iwl_mvm_mgmt_mcast_key_cmd + * ( MGMT_MCAST_KEY = 0x1f ) + * @ctrl_flags: %iwl_sta_key_flag + * @IGTK: + * @K1: IGTK master key + * @K2: IGTK sub key + * @sta_id: station ID that support IGTK + * @key_id: + * @receive_seq_cnt: initial RSC/PN needed for replay check + */ +struct iwl_mvm_mgmt_mcast_key_cmd { + __le32 ctrl_flags; + u8 IGTK[16]; + u8 K1[16]; + u8 K2[16]; + __le32 key_id; + __le32 sta_id; + __le64 receive_seq_cnt; +} __packed; /* SEC_MGMT_MULTICAST_KEY_CMD_API_S_VER_1 */ + +struct iwl_mvm_wep_key { + u8 key_index; + u8 key_offset; + __le16 reserved1; + u8 key_size; + u8 reserved2[3]; + u8 key[16]; +} __packed; + +struct iwl_mvm_wep_key_cmd { + __le32 mac_id_n_color; + u8 num_keys; + u8 decryption_type; + u8 flags; + u8 reserved; + struct iwl_mvm_wep_key wep_key[0]; +} __packed; /* SEC_CURR_WEP_KEY_CMD_API_S_VER_2 */ + + +#endif /* __fw_api_sta_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h new file mode 100644 index 000000000000..2677914bf0a6 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h @@ -0,0 +1,580 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ + +#ifndef __fw_api_tx_h__ +#define __fw_api_tx_h__ + +/** + * enum iwl_tx_flags - bitmasks for tx_flags in TX command + * @TX_CMD_FLG_PROT_REQUIRE: use RTS or CTS-to-self to protect the frame + * @TX_CMD_FLG_ACK: expect ACK from receiving station + * @TX_CMD_FLG_STA_RATE: use RS table with initial index from the TX command. + * Otherwise, use rate_n_flags from the TX command + * @TX_CMD_FLG_BA: this frame is a block ack + * @TX_CMD_FLG_BAR: this frame is a BA request, immediate BAR is expected + * Must set TX_CMD_FLG_ACK with this flag. + * @TX_CMD_FLG_TXOP_PROT: protect frame with full TXOP protection + * @TX_CMD_FLG_VHT_NDPA: mark frame is NDPA for VHT beamformer sequence + * @TX_CMD_FLG_HT_NDPA: mark frame is NDPA for HT beamformer sequence + * @TX_CMD_FLG_CSI_FDBK2HOST: mark to send feedback to host (only if good CRC) + * @TX_CMD_FLG_BT_DIS: disable BT priority for this frame + * @TX_CMD_FLG_SEQ_CTL: set if FW should override the sequence control. + * Should be set for mgmt, non-QOS data, mcast, bcast and in scan command + * @TX_CMD_FLG_MORE_FRAG: this frame is non-last MPDU + * @TX_CMD_FLG_NEXT_FRAME: this frame includes information of the next frame + * @TX_CMD_FLG_TSF: FW should calculate and insert TSF in the frame + * Should be set for beacons and probe responses + * @TX_CMD_FLG_CALIB: activate PA TX power calibrations + * @TX_CMD_FLG_KEEP_SEQ_CTL: if seq_ctl is set, don't increase inner seq count + * @TX_CMD_FLG_AGG_START: allow this frame to start aggregation + * @TX_CMD_FLG_MH_PAD: driver inserted 2 byte padding after MAC header. + * Should be set for 26/30 length MAC headers + * @TX_CMD_FLG_RESP_TO_DRV: zero this if the response should go only to FW + * @TX_CMD_FLG_CCMP_AGG: this frame uses CCMP for aggregation acceleration + * @TX_CMD_FLG_TKIP_MIC_DONE: FW already performed TKIP MIC calculation + * @TX_CMD_FLG_CTS_ONLY: send CTS only, no data after that + * @TX_CMD_FLG_DUR: disable duration overwriting used in PS-Poll Assoc-id + * @TX_CMD_FLG_FW_DROP: FW should mark frame to be dropped + * @TX_CMD_FLG_EXEC_PAPD: execute PAPD + * @TX_CMD_FLG_PAPD_TYPE: 0 for reference power, 1 for nominal power + * @TX_CMD_FLG_HCCA_CHUNK: mark start of TSPEC chunk + */ +enum iwl_tx_flags { + TX_CMD_FLG_PROT_REQUIRE = BIT(0), + TX_CMD_FLG_ACK = BIT(3), + TX_CMD_FLG_STA_RATE = BIT(4), + TX_CMD_FLG_BA = BIT(5), + TX_CMD_FLG_BAR = BIT(6), + TX_CMD_FLG_TXOP_PROT = BIT(7), + TX_CMD_FLG_VHT_NDPA = BIT(8), + TX_CMD_FLG_HT_NDPA = BIT(9), + TX_CMD_FLG_CSI_FDBK2HOST = BIT(10), + TX_CMD_FLG_BT_DIS = BIT(12), + TX_CMD_FLG_SEQ_CTL = BIT(13), + TX_CMD_FLG_MORE_FRAG = BIT(14), + TX_CMD_FLG_NEXT_FRAME = BIT(15), + TX_CMD_FLG_TSF = BIT(16), + TX_CMD_FLG_CALIB = BIT(17), + TX_CMD_FLG_KEEP_SEQ_CTL = BIT(18), + TX_CMD_FLG_AGG_START = BIT(19), + TX_CMD_FLG_MH_PAD = BIT(20), + TX_CMD_FLG_RESP_TO_DRV = BIT(21), + TX_CMD_FLG_CCMP_AGG = BIT(22), + TX_CMD_FLG_TKIP_MIC_DONE = BIT(23), + TX_CMD_FLG_CTS_ONLY = BIT(24), + TX_CMD_FLG_DUR = BIT(25), + TX_CMD_FLG_FW_DROP = BIT(26), + TX_CMD_FLG_EXEC_PAPD = BIT(27), + TX_CMD_FLG_PAPD_TYPE = BIT(28), + TX_CMD_FLG_HCCA_CHUNK = BIT(31) +}; /* TX_FLAGS_BITS_API_S_VER_1 */ + +/* + * TX command security control + */ +#define TX_CMD_SEC_WEP 0x01 +#define TX_CMD_SEC_CCM 0x02 +#define TX_CMD_SEC_TKIP 0x03 +#define TX_CMD_SEC_WEP_KEY_IDX_POS 6 +#define TX_CMD_SEC_WEP_KEY_IDX_MSK 0xc0 +#define TX_CMD_SEC_KEY128 0x08 + +/* TODO: how does these values are OK with only 16 bit variable??? */ +/* + * TX command next frame info + * + * bits 0:2 - security control (TX_CMD_SEC_*) + * bit 3 - immediate ACK required + * bit 4 - rate is taken from STA table + * bit 5 - frame belongs to BA stream + * bit 6 - immediate BA response expected + * bit 7 - unused + * bits 8:15 - Station ID + * bits 16:31 - rate + */ +#define TX_CMD_NEXT_FRAME_ACK_MSK (0x8) +#define TX_CMD_NEXT_FRAME_STA_RATE_MSK (0x10) +#define TX_CMD_NEXT_FRAME_BA_MSK (0x20) +#define TX_CMD_NEXT_FRAME_IMM_BA_RSP_MSK (0x40) +#define TX_CMD_NEXT_FRAME_FLAGS_MSK (0xf8) +#define TX_CMD_NEXT_FRAME_STA_ID_MSK (0xff00) +#define TX_CMD_NEXT_FRAME_STA_ID_POS (8) +#define TX_CMD_NEXT_FRAME_RATE_MSK (0xffff0000) +#define TX_CMD_NEXT_FRAME_RATE_POS (16) + +/* + * TX command Frame life time in us - to be written in pm_frame_timeout + */ +#define TX_CMD_LIFE_TIME_INFINITE 0xFFFFFFFF +#define TX_CMD_LIFE_TIME_DEFAULT 2000000 /* 2000 ms*/ +#define TX_CMD_LIFE_TIME_PROBE_RESP 40000 /* 40 ms */ +#define TX_CMD_LIFE_TIME_EXPIRED_FRAME 0 + +/* + * TID for non QoS frames - to be written in tid_tspec + */ +#define IWL_TID_NON_QOS IWL_MAX_TID_COUNT + +/* + * Limits on the retransmissions - to be written in {data,rts}_retry_limit + */ +#define IWL_DEFAULT_TX_RETRY 15 +#define IWL_MGMT_DFAULT_RETRY_LIMIT 3 +#define IWL_RTS_DFAULT_RETRY_LIMIT 60 +#define IWL_BAR_DFAULT_RETRY_LIMIT 60 +#define IWL_LOW_RETRY_LIMIT 7 + +/* TODO: complete documentation for try_cnt and btkill_cnt */ +/** + * struct iwl_tx_cmd - TX command struct to FW + * ( TX_CMD = 0x1c ) + * @len: in bytes of the payload, see below for details + * @next_frame_len: same as len, but for next frame (0 if not applicable) + * Used for fragmentation and bursting, but not in 11n aggregation. + * @tx_flags: combination of TX_CMD_FLG_* + * @rate_n_flags: rate for *all* Tx attempts, if TX_CMD_FLG_STA_RATE_MSK is + * cleared. Combination of RATE_MCS_* + * @sta_id: index of destination station in FW station table + * @sec_ctl: security control, TX_CMD_SEC_* + * @initial_rate_index: index into the the rate table for initial TX attempt. + * Applied if TX_CMD_FLG_STA_RATE_MSK is set, normally 0 for data frames. + * @key: security key + * @next_frame_flags: TX_CMD_SEC_* and TX_CMD_NEXT_FRAME_* + * @life_time: frame life time (usecs??) + * @dram_lsb_ptr: Physical address of scratch area in the command (try_cnt + + * btkill_cnd + reserved), first 32 bits. "0" disables usage. + * @dram_msb_ptr: upper bits of the scratch physical address + * @rts_retry_limit: max attempts for RTS + * @data_retry_limit: max attempts to send the data packet + * @tid_spec: TID/tspec + * @pm_frame_timeout: PM TX frame timeout + * @driver_txop: duration od EDCA TXOP, in 32-usec units. Set this if not + * specified by HCCA protocol + * + * The byte count (both len and next_frame_len) includes MAC header + * (24/26/30/32 bytes) + * + 2 bytes pad if 26/30 header size + * + 8 byte IV for CCM or TKIP (not used for WEP) + * + Data payload + * + 8-byte MIC (not used for CCM/WEP) + * It does not include post-MAC padding, i.e., + * MIC (CCM) 8 bytes, ICV (WEP/TKIP/CKIP) 4 bytes, CRC 4 bytes. + * Range of len: 14-2342 bytes. + * + * After the struct fields the MAC header is placed, plus any padding, + * and then the actial payload. + */ +struct iwl_tx_cmd { + __le16 len; + __le16 next_frame_len; + __le32 tx_flags; + /* DRAM_SCRATCH_API_U_VER_1 */ + u8 try_cnt; + u8 btkill_cnt; + __le16 reserved; + __le32 rate_n_flags; + u8 sta_id; + u8 sec_ctl; + u8 initial_rate_index; + u8 reserved2; + u8 key[16]; + __le16 next_frame_flags; + __le16 reserved3; + __le32 life_time; + __le32 dram_lsb_ptr; + u8 dram_msb_ptr; + u8 rts_retry_limit; + u8 data_retry_limit; + u8 tid_tspec; + __le16 pm_frame_timeout; + __le16 driver_txop; + u8 payload[0]; + struct ieee80211_hdr hdr[0]; +} __packed; /* TX_CMD_API_S_VER_3 */ + +/* + * TX response related data + */ + +/* + * enum iwl_tx_status - status that is returned by the fw after attempts to Tx + * @TX_STATUS_SUCCESS: + * @TX_STATUS_DIRECT_DONE: + * @TX_STATUS_POSTPONE_DELAY: + * @TX_STATUS_POSTPONE_FEW_BYTES: + * @TX_STATUS_POSTPONE_BT_PRIO: + * @TX_STATUS_POSTPONE_QUIET_PERIOD: + * @TX_STATUS_POSTPONE_CALC_TTAK: + * @TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY: + * @TX_STATUS_FAIL_SHORT_LIMIT: + * @TX_STATUS_FAIL_LONG_LIMIT: + * @TX_STATUS_FAIL_UNDERRUN: + * @TX_STATUS_FAIL_DRAIN_FLOW: + * @TX_STATUS_FAIL_RFKILL_FLUSH: + * @TX_STATUS_FAIL_LIFE_EXPIRE: + * @TX_STATUS_FAIL_DEST_PS: + * @TX_STATUS_FAIL_HOST_ABORTED: + * @TX_STATUS_FAIL_BT_RETRY: + * @TX_STATUS_FAIL_STA_INVALID: + * @TX_TATUS_FAIL_FRAG_DROPPED: + * @TX_STATUS_FAIL_TID_DISABLE: + * @TX_STATUS_FAIL_FIFO_FLUSHED: + * @TX_STATUS_FAIL_SMALL_CF_POLL: + * @TX_STATUS_FAIL_FW_DROP: + * @TX_STATUS_FAIL_STA_COLOR_MISMATCH: mismatch between color of Tx cmd and + * STA table + * @TX_FRAME_STATUS_INTERNAL_ABORT: + * @TX_MODE_MSK: + * @TX_MODE_NO_BURST: + * @TX_MODE_IN_BURST_SEQ: + * @TX_MODE_FIRST_IN_BURST: + * @TX_QUEUE_NUM_MSK: + * + * Valid only if frame_count =1 + * TODO: complete documentation + */ +enum iwl_tx_status { + TX_STATUS_MSK = 0x000000ff, + TX_STATUS_SUCCESS = 0x01, + TX_STATUS_DIRECT_DONE = 0x02, + /* postpone TX */ + TX_STATUS_POSTPONE_DELAY = 0x40, + TX_STATUS_POSTPONE_FEW_BYTES = 0x41, + TX_STATUS_POSTPONE_BT_PRIO = 0x42, + TX_STATUS_POSTPONE_QUIET_PERIOD = 0x43, + TX_STATUS_POSTPONE_CALC_TTAK = 0x44, + /* abort TX */ + TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY = 0x81, + TX_STATUS_FAIL_SHORT_LIMIT = 0x82, + TX_STATUS_FAIL_LONG_LIMIT = 0x83, + TX_STATUS_FAIL_UNDERRUN = 0x84, + TX_STATUS_FAIL_DRAIN_FLOW = 0x85, + TX_STATUS_FAIL_RFKILL_FLUSH = 0x86, + TX_STATUS_FAIL_LIFE_EXPIRE = 0x87, + TX_STATUS_FAIL_DEST_PS = 0x88, + TX_STATUS_FAIL_HOST_ABORTED = 0x89, + TX_STATUS_FAIL_BT_RETRY = 0x8a, + TX_STATUS_FAIL_STA_INVALID = 0x8b, + TX_STATUS_FAIL_FRAG_DROPPED = 0x8c, + TX_STATUS_FAIL_TID_DISABLE = 0x8d, + TX_STATUS_FAIL_FIFO_FLUSHED = 0x8e, + TX_STATUS_FAIL_SMALL_CF_POLL = 0x8f, + TX_STATUS_FAIL_FW_DROP = 0x90, + TX_STATUS_FAIL_STA_COLOR_MISMATCH = 0x91, + TX_STATUS_INTERNAL_ABORT = 0x92, + TX_MODE_MSK = 0x00000f00, + TX_MODE_NO_BURST = 0x00000000, + TX_MODE_IN_BURST_SEQ = 0x00000100, + TX_MODE_FIRST_IN_BURST = 0x00000200, + TX_QUEUE_NUM_MSK = 0x0001f000, + TX_NARROW_BW_MSK = 0x00060000, + TX_NARROW_BW_1DIV2 = 0x00020000, + TX_NARROW_BW_1DIV4 = 0x00040000, + TX_NARROW_BW_1DIV8 = 0x00060000, +}; + +/* + * enum iwl_tx_agg_status - TX aggregation status + * @AGG_TX_STATE_STATUS_MSK: + * @AGG_TX_STATE_TRANSMITTED: + * @AGG_TX_STATE_UNDERRUN: + * @AGG_TX_STATE_BT_PRIO: + * @AGG_TX_STATE_FEW_BYTES: + * @AGG_TX_STATE_ABORT: + * @AGG_TX_STATE_LAST_SENT_TTL: + * @AGG_TX_STATE_LAST_SENT_TRY_CNT: + * @AGG_TX_STATE_LAST_SENT_BT_KILL: + * @AGG_TX_STATE_SCD_QUERY: + * @AGG_TX_STATE_TEST_BAD_CRC32: + * @AGG_TX_STATE_RESPONSE: + * @AGG_TX_STATE_DUMP_TX: + * @AGG_TX_STATE_DELAY_TX: + * @AGG_TX_STATE_TRY_CNT_MSK: Retry count for 1st frame in aggregation (retries + * occur if tx failed for this frame when it was a member of a previous + * aggregation block). If rate scaling is used, retry count indicates the + * rate table entry used for all frames in the new agg. + *@ AGG_TX_STATE_SEQ_NUM_MSK: Command ID and sequence number of Tx command for + * this frame + * + * TODO: complete documentation + */ +enum iwl_tx_agg_status { + AGG_TX_STATE_STATUS_MSK = 0x00fff, + AGG_TX_STATE_TRANSMITTED = 0x000, + AGG_TX_STATE_UNDERRUN = 0x001, + AGG_TX_STATE_BT_PRIO = 0x002, + AGG_TX_STATE_FEW_BYTES = 0x004, + AGG_TX_STATE_ABORT = 0x008, + AGG_TX_STATE_LAST_SENT_TTL = 0x010, + AGG_TX_STATE_LAST_SENT_TRY_CNT = 0x020, + AGG_TX_STATE_LAST_SENT_BT_KILL = 0x040, + AGG_TX_STATE_SCD_QUERY = 0x080, + AGG_TX_STATE_TEST_BAD_CRC32 = 0x0100, + AGG_TX_STATE_RESPONSE = 0x1ff, + AGG_TX_STATE_DUMP_TX = 0x200, + AGG_TX_STATE_DELAY_TX = 0x400, + AGG_TX_STATE_TRY_CNT_POS = 12, + AGG_TX_STATE_TRY_CNT_MSK = 0xf << AGG_TX_STATE_TRY_CNT_POS, +}; + +#define AGG_TX_STATE_LAST_SENT_MSK (AGG_TX_STATE_LAST_SENT_TTL| \ + AGG_TX_STATE_LAST_SENT_TRY_CNT| \ + AGG_TX_STATE_LAST_SENT_BT_KILL) + +/* + * The mask below describes a status where we are absolutely sure that the MPDU + * wasn't sent. For BA/Underrun we cannot be that sure. All we know that we've + * written the bytes to the TXE, but we know nothing about what the DSP did. + */ +#define AGG_TX_STAT_FRAME_NOT_SENT (AGG_TX_STATE_FEW_BYTES | \ + AGG_TX_STATE_ABORT | \ + AGG_TX_STATE_SCD_QUERY) + +/* + * REPLY_TX = 0x1c (response) + * + * This response may be in one of two slightly different formats, indicated + * by the frame_count field: + * + * 1) No aggregation (frame_count == 1). This reports Tx results for a single + * frame. Multiple attempts, at various bit rates, may have been made for + * this frame. + * + * 2) Aggregation (frame_count > 1). This reports Tx results for two or more + * frames that used block-acknowledge. All frames were transmitted at + * same rate. Rate scaling may have been used if first frame in this new + * agg block failed in previous agg block(s). + * + * Note that, for aggregation, ACK (block-ack) status is not delivered + * here; block-ack has not been received by the time the device records + * this status. + * This status relates to reasons the tx might have been blocked or aborted + * within the device, rather than whether it was received successfully by + * the destination station. + */ + +/** + * struct agg_tx_status - per packet TX aggregation status + * @status: enum iwl_tx_agg_status + * @sequence: Sequence # for this frame's Tx cmd (not SSN!) + */ +struct agg_tx_status { + __le16 status; + __le16 sequence; +} __packed; + +/* + * definitions for initial rate index field + * bits [3:0] initial rate index + * bits [6:4] rate table color, used for the initial rate + * bit-7 invalid rate indication + */ +#define TX_RES_INIT_RATE_INDEX_MSK 0x0f +#define TX_RES_RATE_TABLE_COLOR_MSK 0x70 +#define TX_RES_INV_RATE_INDEX_MSK 0x80 + +#define IWL_MVM_TX_RES_GET_TID(_ra_tid) ((_ra_tid) & 0x0f) +#define IWL_MVM_TX_RES_GET_RA(_ra_tid) ((_ra_tid) >> 4) + +/** + * struct iwl_mvm_tx_resp - notifies that fw is TXing a packet + * ( REPLY_TX = 0x1c ) + * @frame_count: 1 no aggregation, >1 aggregation + * @bt_kill_count: num of times blocked by bluetooth (unused for agg) + * @failure_rts: num of failures due to unsuccessful RTS + * @failure_frame: num failures due to no ACK (unused for agg) + * @initial_rate: for non-agg: rate of the successful Tx. For agg: rate of the + * Tx of all the batch. RATE_MCS_* + * @wireless_media_time: for non-agg: RTS + CTS + frame tx attempts time + ACK. + * for agg: RTS + CTS + aggregation tx time + block-ack time. + * in usec. + * @pa_status: tx power info + * @pa_integ_res_a: tx power info + * @pa_integ_res_b: tx power info + * @pa_integ_res_c: tx power info + * @measurement_req_id: tx power info + * @tfd_info: TFD information set by the FH + * @seq_ctl: sequence control from the Tx cmd + * @byte_cnt: byte count from the Tx cmd + * @tlc_info: TLC rate info + * @ra_tid: bits [3:0] = ra, bits [7:4] = tid + * @frame_ctrl: frame control + * @status: for non-agg: frame status TX_STATUS_* + * for agg: status of 1st frame, AGG_TX_STATE_*; other frame status fields + * follow this one, up to frame_count. + * + * After the array of statuses comes the SSN of the SCD. Look at + * %iwl_mvm_get_scd_ssn for more details. + */ +struct iwl_mvm_tx_resp { + u8 frame_count; + u8 bt_kill_count; + u8 failure_rts; + u8 failure_frame; + __le32 initial_rate; + __le16 wireless_media_time; + + u8 pa_status; + u8 pa_integ_res_a[3]; + u8 pa_integ_res_b[3]; + u8 pa_integ_res_c[3]; + __le16 measurement_req_id; + __le16 reserved; + + __le32 tfd_info; + __le16 seq_ctl; + __le16 byte_cnt; + u8 tlc_info; + u8 ra_tid; + __le16 frame_ctrl; + + struct agg_tx_status status; +} __packed; /* TX_RSP_API_S_VER_3 */ + +/** + * struct iwl_mvm_ba_notif - notifies about reception of BA + * ( BA_NOTIF = 0xc5 ) + * @sta_addr_lo32: lower 32 bits of the MAC address + * @sta_addr_hi16: upper 16 bits of the MAC address + * @sta_id: Index of recipient (BA-sending) station in fw's station table + * @tid: tid of the session + * @seq_ctl: + * @bitmap: the bitmap of the BA notification as seen in the air + * @scd_flow: the tx queue this BA relates to + * @scd_ssn: the index of the last contiguously sent packet + * @txed: number of Txed frames in this batch + * @txed_2_done: number of Acked frames in this batch + */ +struct iwl_mvm_ba_notif { + __le32 sta_addr_lo32; + __le16 sta_addr_hi16; + __le16 reserved; + + u8 sta_id; + u8 tid; + __le16 seq_ctl; + __le64 bitmap; + __le16 scd_flow; + __le16 scd_ssn; + u8 txed; + u8 txed_2_done; + __le16 reserved1; +} __packed; + +/* + * struct iwl_mac_beacon_cmd - beacon template command + * @tx: the tx commands associated with the beacon frame + * @template_id: currently equal to the mac context id of the coresponding + * mac. + * @tim_idx: the offset of the tim IE in the beacon + * @tim_size: the length of the tim IE + * @frame: the template of the beacon frame + */ +struct iwl_mac_beacon_cmd { + struct iwl_tx_cmd tx; + __le32 template_id; + __le32 tim_idx; + __le32 tim_size; + struct ieee80211_hdr frame[0]; +} __packed; + +/** + * enum iwl_dump_control - dump (flush) control flags + * @DUMP_TX_FIFO_FLUSH: Dump MSDUs until the the FIFO is empty + * and the TFD queues are empty. + */ +enum iwl_dump_control { + DUMP_TX_FIFO_FLUSH = BIT(1), +}; + +/** + * struct iwl_tx_path_flush_cmd -- queue/FIFO flush command + * @queues_ctl: bitmap of queues to flush + * @flush_ctl: control flags + * @reserved: reserved + */ +struct iwl_tx_path_flush_cmd { + __le32 queues_ctl; + __le16 flush_ctl; + __le16 reserved; +} __packed; /* TX_PATH_FLUSH_CMD_API_S_VER_1 */ + +/** + * iwl_mvm_get_scd_ssn - returns the SSN of the SCD + * @tx_resp: the Tx response from the fw (agg or non-agg) + * + * When the fw sends an AMPDU, it fetches the MPDUs one after the other. Since + * it can't know that everything will go well until the end of the AMPDU, it + * can't know in advance the number of MPDUs that will be sent in the current + * batch. This is why it writes the agg Tx response while it fetches the MPDUs. + * Hence, it can't know in advance what the SSN of the SCD will be at the end + * of the batch. This is why the SSN of the SCD is written at the end of the + * whole struct at a variable offset. This function knows how to cope with the + * variable offset and returns the SSN of the SCD. + */ +static inline u32 iwl_mvm_get_scd_ssn(struct iwl_mvm_tx_resp *tx_resp) +{ + return le32_to_cpup((__le32 *)&tx_resp->status + + tx_resp->frame_count) & 0xfff; +} + +#endif /* __fw_api_tx_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h new file mode 100644 index 000000000000..9fd49db32a32 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h @@ -0,0 +1,949 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#ifndef __fw_api_h__ +#define __fw_api_h__ + +#include "fw-api-rs.h" +#include "fw-api-tx.h" +#include "fw-api-sta.h" +#include "fw-api-mac.h" +#include "fw-api-power.h" +#include "fw-api-d3.h" + +/* queue and FIFO numbers by usage */ +enum { + IWL_MVM_OFFCHANNEL_QUEUE = 8, + IWL_MVM_CMD_QUEUE = 9, + IWL_MVM_AUX_QUEUE = 15, + IWL_MVM_FIRST_AGG_QUEUE = 16, + IWL_MVM_NUM_QUEUES = 20, + IWL_MVM_LAST_AGG_QUEUE = IWL_MVM_NUM_QUEUES - 1, + IWL_MVM_CMD_FIFO = 7 +}; + +#define IWL_MVM_STATION_COUNT 16 + +/* commands */ +enum { + MVM_ALIVE = 0x1, + REPLY_ERROR = 0x2, + + INIT_COMPLETE_NOTIF = 0x4, + + /* PHY context commands */ + PHY_CONTEXT_CMD = 0x8, + DBG_CFG = 0x9, + + /* station table */ + ADD_STA = 0x18, + REMOVE_STA = 0x19, + + /* TX */ + TX_CMD = 0x1c, + TXPATH_FLUSH = 0x1e, + MGMT_MCAST_KEY = 0x1f, + + /* global key */ + WEP_KEY = 0x20, + + /* MAC and Binding commands */ + MAC_CONTEXT_CMD = 0x28, + TIME_EVENT_CMD = 0x29, /* both CMD and response */ + TIME_EVENT_NOTIFICATION = 0x2a, + BINDING_CONTEXT_CMD = 0x2b, + TIME_QUOTA_CMD = 0x2c, + + LQ_CMD = 0x4e, + + /* Calibration */ + TEMPERATURE_NOTIFICATION = 0x62, + CALIBRATION_CFG_CMD = 0x65, + CALIBRATION_RES_NOTIFICATION = 0x66, + CALIBRATION_COMPLETE_NOTIFICATION = 0x67, + RADIO_VERSION_NOTIFICATION = 0x68, + + /* Scan offload */ + SCAN_OFFLOAD_REQUEST_CMD = 0x51, + SCAN_OFFLOAD_ABORT_CMD = 0x52, + SCAN_OFFLOAD_COMPLETE = 0x6D, + SCAN_OFFLOAD_UPDATE_PROFILES_CMD = 0x6E, + SCAN_OFFLOAD_CONFIG_CMD = 0x6f, + + /* Phy */ + PHY_CONFIGURATION_CMD = 0x6a, + CALIB_RES_NOTIF_PHY_DB = 0x6b, + /* PHY_DB_CMD = 0x6c, */ + + /* Power */ + POWER_TABLE_CMD = 0x77, + + /* Scanning */ + SCAN_REQUEST_CMD = 0x80, + SCAN_ABORT_CMD = 0x81, + SCAN_START_NOTIFICATION = 0x82, + SCAN_RESULTS_NOTIFICATION = 0x83, + SCAN_COMPLETE_NOTIFICATION = 0x84, + + /* NVM */ + NVM_ACCESS_CMD = 0x88, + + SET_CALIB_DEFAULT_CMD = 0x8e, + + BEACON_TEMPLATE_CMD = 0x91, + TX_ANT_CONFIGURATION_CMD = 0x98, + STATISTICS_NOTIFICATION = 0x9d, + + /* RF-KILL commands and notifications */ + CARD_STATE_CMD = 0xa0, + CARD_STATE_NOTIFICATION = 0xa1, + + REPLY_RX_PHY_CMD = 0xc0, + REPLY_RX_MPDU_CMD = 0xc1, + BA_NOTIF = 0xc5, + + REPLY_DEBUG_CMD = 0xf0, + DEBUG_LOG_MSG = 0xf7, + + /* D3 commands/notifications */ + D3_CONFIG_CMD = 0xd3, + PROT_OFFLOAD_CONFIG_CMD = 0xd4, + OFFLOADS_QUERY_CMD = 0xd5, + REMOTE_WAKE_CONFIG_CMD = 0xd6, + + /* for WoWLAN in particular */ + WOWLAN_PATTERNS = 0xe0, + WOWLAN_CONFIGURATION = 0xe1, + WOWLAN_TSC_RSC_PARAM = 0xe2, + WOWLAN_TKIP_PARAM = 0xe3, + WOWLAN_KEK_KCK_MATERIAL = 0xe4, + WOWLAN_GET_STATUSES = 0xe5, + WOWLAN_TX_POWER_PER_DB = 0xe6, + + /* and for NetDetect */ + NET_DETECT_CONFIG_CMD = 0x54, + NET_DETECT_PROFILES_QUERY_CMD = 0x56, + NET_DETECT_PROFILES_CMD = 0x57, + NET_DETECT_HOTSPOTS_CMD = 0x58, + NET_DETECT_HOTSPOTS_QUERY_CMD = 0x59, + + REPLY_MAX = 0xff, +}; + +/** + * struct iwl_cmd_response - generic response struct for most commands + * @status: status of the command asked, changes for each one + */ +struct iwl_cmd_response { + __le32 status; +}; + +/* + * struct iwl_tx_ant_cfg_cmd + * @valid: valid antenna configuration + */ +struct iwl_tx_ant_cfg_cmd { + __le32 valid; +} __packed; + +/* + * Calibration control struct. + * Sent as part of the phy configuration command. + * @flow_trigger: bitmap for which calibrations to perform according to + * flow triggers. + * @event_trigger: bitmap for which calibrations to perform according to + * event triggers. + */ +struct iwl_calib_ctrl { + __le32 flow_trigger; + __le32 event_trigger; +} __packed; + +/* This enum defines the bitmap of various calibrations to enable in both + * init ucode and runtime ucode through CALIBRATION_CFG_CMD. + */ +enum iwl_calib_cfg { + IWL_CALIB_CFG_XTAL_IDX = BIT(0), + IWL_CALIB_CFG_TEMPERATURE_IDX = BIT(1), + IWL_CALIB_CFG_VOLTAGE_READ_IDX = BIT(2), + IWL_CALIB_CFG_PAPD_IDX = BIT(3), + IWL_CALIB_CFG_TX_PWR_IDX = BIT(4), + IWL_CALIB_CFG_DC_IDX = BIT(5), + IWL_CALIB_CFG_BB_FILTER_IDX = BIT(6), + IWL_CALIB_CFG_LO_LEAKAGE_IDX = BIT(7), + IWL_CALIB_CFG_TX_IQ_IDX = BIT(8), + IWL_CALIB_CFG_TX_IQ_SKEW_IDX = BIT(9), + IWL_CALIB_CFG_RX_IQ_IDX = BIT(10), + IWL_CALIB_CFG_RX_IQ_SKEW_IDX = BIT(11), + IWL_CALIB_CFG_SENSITIVITY_IDX = BIT(12), + IWL_CALIB_CFG_CHAIN_NOISE_IDX = BIT(13), + IWL_CALIB_CFG_DISCONNECTED_ANT_IDX = BIT(14), + IWL_CALIB_CFG_ANT_COUPLING_IDX = BIT(15), + IWL_CALIB_CFG_DAC_IDX = BIT(16), + IWL_CALIB_CFG_ABS_IDX = BIT(17), + IWL_CALIB_CFG_AGC_IDX = BIT(18), +}; + +/* + * Phy configuration command. + */ +struct iwl_phy_cfg_cmd { + __le32 phy_cfg; + struct iwl_calib_ctrl calib_control; +} __packed; + +#define PHY_CFG_RADIO_TYPE (BIT(0) | BIT(1)) +#define PHY_CFG_RADIO_STEP (BIT(2) | BIT(3)) +#define PHY_CFG_RADIO_DASH (BIT(4) | BIT(5)) +#define PHY_CFG_PRODUCT_NUMBER (BIT(6) | BIT(7)) +#define PHY_CFG_TX_CHAIN_A BIT(8) +#define PHY_CFG_TX_CHAIN_B BIT(9) +#define PHY_CFG_TX_CHAIN_C BIT(10) +#define PHY_CFG_RX_CHAIN_A BIT(12) +#define PHY_CFG_RX_CHAIN_B BIT(13) +#define PHY_CFG_RX_CHAIN_C BIT(14) + + +/* Target of the NVM_ACCESS_CMD */ +enum { + NVM_ACCESS_TARGET_CACHE = 0, + NVM_ACCESS_TARGET_OTP = 1, + NVM_ACCESS_TARGET_EEPROM = 2, +}; + +/** + * struct iwl_nvm_access_cmd_ver1 - Request the device to send the NVM. + * @op_code: 0 - read, 1 - write. + * @target: NVM_ACCESS_TARGET_*. should be 0 for read. + * @cache_refresh: 0 - None, 1- NVM. + * @offset: offset in the nvm data. + * @length: of the chunk. + * @data: empty on read, the NVM chunk on write + */ +struct iwl_nvm_access_cmd_ver1 { + u8 op_code; + u8 target; + u8 cache_refresh; + u8 reserved; + __le16 offset; + __le16 length; + u8 data[]; +} __packed; /* NVM_ACCESS_CMD_API_S_VER_1 */ + +/** + * struct iwl_nvm_access_resp_ver1 - response to NVM_ACCESS_CMD + * @offset: the offset in the nvm data + * @length: of the chunk + * @data: the nvm chunk on when NVM_ACCESS_CMD was read, nothing on write + */ +struct iwl_nvm_access_resp_ver1 { + __le16 offset; + __le16 length; + u8 data[]; +} __packed; /* NVM_ACCESS_CMD_RESP_API_S_VER_1 */ + +/* Section types for NVM_ACCESS_CMD version 2 */ +enum { + NVM_SECTION_TYPE_HW = 0, + NVM_SECTION_TYPE_SW, + NVM_SECTION_TYPE_PAPD, + NVM_SECTION_TYPE_BT, + NVM_SECTION_TYPE_CALIBRATION, + NVM_SECTION_TYPE_PRODUCTION, + NVM_SECTION_TYPE_POST_FCS_CALIB, + NVM_NUM_OF_SECTIONS, +}; + +/** + * struct iwl_nvm_access_cmd_ver2 - Request the device to send an NVM section + * @op_code: 0 - read, 1 - write + * @target: NVM_ACCESS_TARGET_* + * @type: NVM_SECTION_TYPE_* + * @offset: offset in bytes into the section + * @length: in bytes, to read/write + * @data: if write operation, the data to write. On read its empty + */ +struct iwl_nvm_access_cmd_ver2 { + u8 op_code; + u8 target; + __le16 type; + __le16 offset; + __le16 length; + u8 data[]; +} __packed; /* NVM_ACCESS_CMD_API_S_VER_2 */ + +/** + * struct iwl_nvm_access_resp_ver2 - response to NVM_ACCESS_CMD + * @offset: offset in bytes into the section + * @length: in bytes, either how much was written or read + * @type: NVM_SECTION_TYPE_* + * @status: 0 for success, fail otherwise + * @data: if read operation, the data returned. Empty on write. + */ +struct iwl_nvm_access_resp_ver2 { + __le16 offset; + __le16 length; + __le16 type; + __le16 status; + u8 data[]; +} __packed; /* NVM_ACCESS_CMD_RESP_API_S_VER_2 */ + +/* MVM_ALIVE 0x1 */ + +/* alive response is_valid values */ +#define ALIVE_RESP_UCODE_OK BIT(0) +#define ALIVE_RESP_RFKILL BIT(1) + +/* alive response ver_type values */ +enum { + FW_TYPE_HW = 0, + FW_TYPE_PROT = 1, + FW_TYPE_AP = 2, + FW_TYPE_WOWLAN = 3, + FW_TYPE_TIMING = 4, + FW_TYPE_WIPAN = 5 +}; + +/* alive response ver_subtype values */ +enum { + FW_SUBTYPE_FULL_FEATURE = 0, + FW_SUBTYPE_BOOTSRAP = 1, /* Not valid */ + FW_SUBTYPE_REDUCED = 2, + FW_SUBTYPE_ALIVE_ONLY = 3, + FW_SUBTYPE_WOWLAN = 4, + FW_SUBTYPE_AP_SUBTYPE = 5, + FW_SUBTYPE_WIPAN = 6, + FW_SUBTYPE_INITIALIZE = 9 +}; + +#define IWL_ALIVE_STATUS_ERR 0xDEAD +#define IWL_ALIVE_STATUS_OK 0xCAFE + +#define IWL_ALIVE_FLG_RFKILL BIT(0) + +struct mvm_alive_resp { + __le16 status; + __le16 flags; + u8 ucode_minor; + u8 ucode_major; + __le16 id; + u8 api_minor; + u8 api_major; + u8 ver_subtype; + u8 ver_type; + u8 mac; + u8 opt; + __le16 reserved2; + __le32 timestamp; + __le32 error_event_table_ptr; /* SRAM address for error log */ + __le32 log_event_table_ptr; /* SRAM address for event log */ + __le32 cpu_register_ptr; + __le32 dbgm_config_ptr; + __le32 alive_counter_ptr; + __le32 scd_base_ptr; /* SRAM address for SCD */ +} __packed; /* ALIVE_RES_API_S_VER_1 */ + +/* Error response/notification */ +enum { + FW_ERR_UNKNOWN_CMD = 0x0, + FW_ERR_INVALID_CMD_PARAM = 0x1, + FW_ERR_SERVICE = 0x2, + FW_ERR_ARC_MEMORY = 0x3, + FW_ERR_ARC_CODE = 0x4, + FW_ERR_WATCH_DOG = 0x5, + FW_ERR_WEP_GRP_KEY_INDX = 0x10, + FW_ERR_WEP_KEY_SIZE = 0x11, + FW_ERR_OBSOLETE_FUNC = 0x12, + FW_ERR_UNEXPECTED = 0xFE, + FW_ERR_FATAL = 0xFF +}; + +/** + * struct iwl_error_resp - FW error indication + * ( REPLY_ERROR = 0x2 ) + * @error_type: one of FW_ERR_* + * @cmd_id: the command ID for which the error occured + * @bad_cmd_seq_num: sequence number of the erroneous command + * @error_service: which service created the error, applicable only if + * error_type = 2, otherwise 0 + * @timestamp: TSF in usecs. + */ +struct iwl_error_resp { + __le32 error_type; + u8 cmd_id; + u8 reserved1; + __le16 bad_cmd_seq_num; + __le32 error_service; + __le64 timestamp; +} __packed; + + +/* Common PHY, MAC and Bindings definitions */ + +#define MAX_MACS_IN_BINDING (3) +#define MAX_BINDINGS (4) +#define AUX_BINDING_INDEX (3) +#define MAX_PHYS (4) + +/* Used to extract ID and color from the context dword */ +#define FW_CTXT_ID_POS (0) +#define FW_CTXT_ID_MSK (0xff << FW_CTXT_ID_POS) +#define FW_CTXT_COLOR_POS (8) +#define FW_CTXT_COLOR_MSK (0xff << FW_CTXT_COLOR_POS) +#define FW_CTXT_INVALID (0xffffffff) + +#define FW_CMD_ID_AND_COLOR(_id, _color) ((_id << FW_CTXT_ID_POS) |\ + (_color << FW_CTXT_COLOR_POS)) + +/* Possible actions on PHYs, MACs and Bindings */ +enum { + FW_CTXT_ACTION_STUB = 0, + FW_CTXT_ACTION_ADD, + FW_CTXT_ACTION_MODIFY, + FW_CTXT_ACTION_REMOVE, + FW_CTXT_ACTION_NUM +}; /* COMMON_CONTEXT_ACTION_API_E_VER_1 */ + +/* Time Events */ + +/* Time Event types, according to MAC type */ +enum iwl_time_event_type { + /* BSS Station Events */ + TE_BSS_STA_AGGRESSIVE_ASSOC, + TE_BSS_STA_ASSOC, + TE_BSS_EAP_DHCP_PROT, + TE_BSS_QUIET_PERIOD, + + /* P2P Device Events */ + TE_P2P_DEVICE_DISCOVERABLE, + TE_P2P_DEVICE_LISTEN, + TE_P2P_DEVICE_ACTION_SCAN, + TE_P2P_DEVICE_FULL_SCAN, + + /* P2P Client Events */ + TE_P2P_CLIENT_AGGRESSIVE_ASSOC, + TE_P2P_CLIENT_ASSOC, + TE_P2P_CLIENT_QUIET_PERIOD, + + /* P2P GO Events */ + TE_P2P_GO_ASSOC_PROT, + TE_P2P_GO_REPETITIVE_NOA, + TE_P2P_GO_CT_WINDOW, + + /* WiDi Sync Events */ + TE_WIDI_TX_SYNC, + + TE_MAX +}; /* MAC_EVENT_TYPE_API_E_VER_1 */ + +/* Time Event dependencies: none, on another TE, or in a specific time */ +enum { + TE_INDEPENDENT = 0, + TE_DEP_OTHER = 1, + TE_DEP_TSF = 2, + TE_EVENT_SOCIOPATHIC = 4, +}; /* MAC_EVENT_DEPENDENCY_POLICY_API_E_VER_2 */ + +/* When to send Time Event notifications and to whom (internal = FW) */ +enum { + TE_NOTIF_NONE = 0, + TE_NOTIF_HOST_START = 0x1, + TE_NOTIF_HOST_END = 0x2, + TE_NOTIF_INTERNAL_START = 0x4, + TE_NOTIF_INTERNAL_END = 0x8 +}; /* MAC_EVENT_ACTION_API_E_VER_1 */ + +/* + * @TE_FRAG_NONE: fragmentation of the time event is NOT allowed. + * @TE_FRAG_SINGLE: fragmentation of the time event is allowed, but only + * the first fragment is scheduled. + * @TE_FRAG_DUAL: fragmentation of the time event is allowed, but only + * the first 2 fragments are scheduled. + * @TE_FRAG_ENDLESS: fragmentation of the time event is allowed, and any number + * of fragments are valid. + * + * Other than the constant defined above, specifying a fragmentation value 'x' + * means that the event can be fragmented but only the first 'x' will be + * scheduled. + */ +enum { + TE_FRAG_NONE = 0, + TE_FRAG_SINGLE = 1, + TE_FRAG_DUAL = 2, + TE_FRAG_ENDLESS = 0xffffffff +}; + +/* Repeat the time event endlessly (until removed) */ +#define TE_REPEAT_ENDLESS (0xffffffff) +/* If a Time Event has bounded repetitions, this is the maximal value */ +#define TE_REPEAT_MAX_MSK (0x0fffffff) +/* If a Time Event can be fragmented, this is the max number of fragments */ +#define TE_FRAG_MAX_MSK (0x0fffffff) + +/** + * struct iwl_time_event_cmd - configuring Time Events + * ( TIME_EVENT_CMD = 0x29 ) + * @id_and_color: ID and color of the relevant MAC + * @action: action to perform, one of FW_CTXT_ACTION_* + * @id: this field has two meanings, depending on the action: + * If the action is ADD, then it means the type of event to add. + * For all other actions it is the unique event ID assigned when the + * event was added by the FW. + * @apply_time: When to start the Time Event (in GP2) + * @max_delay: maximum delay to event's start (apply time), in TU + * @depends_on: the unique ID of the event we depend on (if any) + * @interval: interval between repetitions, in TU + * @interval_reciprocal: 2^32 / interval + * @duration: duration of event in TU + * @repeat: how many repetitions to do, can be TE_REPEAT_ENDLESS + * @dep_policy: one of TE_INDEPENDENT, TE_DEP_OTHER, TE_DEP_TSF + * @is_present: 0 or 1, are we present or absent during the Time Event + * @max_frags: maximal number of fragments the Time Event can be divided to + * @notify: notifications using TE_NOTIF_* (whom to notify when) + */ +struct iwl_time_event_cmd { + /* COMMON_INDEX_HDR_API_S_VER_1 */ + __le32 id_and_color; + __le32 action; + __le32 id; + /* MAC_TIME_EVENT_DATA_API_S_VER_1 */ + __le32 apply_time; + __le32 max_delay; + __le32 dep_policy; + __le32 depends_on; + __le32 is_present; + __le32 max_frags; + __le32 interval; + __le32 interval_reciprocal; + __le32 duration; + __le32 repeat; + __le32 notify; +} __packed; /* MAC_TIME_EVENT_CMD_API_S_VER_1 */ + +/** + * struct iwl_time_event_resp - response structure to iwl_time_event_cmd + * @status: bit 0 indicates success, all others specify errors + * @id: the Time Event type + * @unique_id: the unique ID assigned (in ADD) or given (others) to the TE + * @id_and_color: ID and color of the relevant MAC + */ +struct iwl_time_event_resp { + __le32 status; + __le32 id; + __le32 unique_id; + __le32 id_and_color; +} __packed; /* MAC_TIME_EVENT_RSP_API_S_VER_1 */ + +/** + * struct iwl_time_event_notif - notifications of time event start/stop + * ( TIME_EVENT_NOTIFICATION = 0x2a ) + * @timestamp: action timestamp in GP2 + * @session_id: session's unique id + * @unique_id: unique id of the Time Event itself + * @id_and_color: ID and color of the relevant MAC + * @action: one of TE_NOTIF_START or TE_NOTIF_END + * @status: true if scheduled, false otherwise (not executed) + */ +struct iwl_time_event_notif { + __le32 timestamp; + __le32 session_id; + __le32 unique_id; + __le32 id_and_color; + __le32 action; + __le32 status; +} __packed; /* MAC_TIME_EVENT_NTFY_API_S_VER_1 */ + + +/* Bindings and Time Quota */ + +/** + * struct iwl_binding_cmd - configuring bindings + * ( BINDING_CONTEXT_CMD = 0x2b ) + * @id_and_color: ID and color of the relevant Binding + * @action: action to perform, one of FW_CTXT_ACTION_* + * @macs: array of MAC id and colors which belong to the binding + * @phy: PHY id and color which belongs to the binding + */ +struct iwl_binding_cmd { + /* COMMON_INDEX_HDR_API_S_VER_1 */ + __le32 id_and_color; + __le32 action; + /* BINDING_DATA_API_S_VER_1 */ + __le32 macs[MAX_MACS_IN_BINDING]; + __le32 phy; +} __packed; /* BINDING_CMD_API_S_VER_1 */ + +/** + * struct iwl_time_quota_data - configuration of time quota per binding + * @id_and_color: ID and color of the relevant Binding + * @quota: absolute time quota in TU. The scheduler will try to divide the + * remainig quota (after Time Events) according to this quota. + * @max_duration: max uninterrupted context duration in TU + */ +struct iwl_time_quota_data { + __le32 id_and_color; + __le32 quota; + __le32 max_duration; +} __packed; /* TIME_QUOTA_DATA_API_S_VER_1 */ + +/** + * struct iwl_time_quota_cmd - configuration of time quota between bindings + * ( TIME_QUOTA_CMD = 0x2c ) + * @quotas: allocations per binding + */ +struct iwl_time_quota_cmd { + struct iwl_time_quota_data quotas[MAX_BINDINGS]; +} __packed; /* TIME_QUOTA_ALLOCATION_CMD_API_S_VER_1 */ + + +/* PHY context */ + +/* Supported bands */ +#define PHY_BAND_5 (0) +#define PHY_BAND_24 (1) + +/* Supported channel width, vary if there is VHT support */ +#define PHY_VHT_CHANNEL_MODE20 (0x0) +#define PHY_VHT_CHANNEL_MODE40 (0x1) +#define PHY_VHT_CHANNEL_MODE80 (0x2) +#define PHY_VHT_CHANNEL_MODE160 (0x3) + +/* + * Control channel position: + * For legacy set bit means upper channel, otherwise lower. + * For VHT - bit-2 marks if the control is lower/upper relative to center-freq + * bits-1:0 mark the distance from the center freq. for 20Mhz, offset is 0. + * center_freq + * | + * 40Mhz |_______|_______| + * 80Mhz |_______|_______|_______|_______| + * 160Mhz |_______|_______|_______|_______|_______|_______|_______|_______| + * code 011 010 001 000 | 100 101 110 111 + */ +#define PHY_VHT_CTRL_POS_1_BELOW (0x0) +#define PHY_VHT_CTRL_POS_2_BELOW (0x1) +#define PHY_VHT_CTRL_POS_3_BELOW (0x2) +#define PHY_VHT_CTRL_POS_4_BELOW (0x3) +#define PHY_VHT_CTRL_POS_1_ABOVE (0x4) +#define PHY_VHT_CTRL_POS_2_ABOVE (0x5) +#define PHY_VHT_CTRL_POS_3_ABOVE (0x6) +#define PHY_VHT_CTRL_POS_4_ABOVE (0x7) + +/* + * @band: PHY_BAND_* + * @channel: channel number + * @width: PHY_[VHT|LEGACY]_CHANNEL_* + * @ctrl channel: PHY_[VHT|LEGACY]_CTRL_* + */ +struct iwl_fw_channel_info { + u8 band; + u8 channel; + u8 width; + u8 ctrl_pos; +} __packed; + +#define PHY_RX_CHAIN_DRIVER_FORCE_POS (0) +#define PHY_RX_CHAIN_DRIVER_FORCE_MSK \ + (0x1 << PHY_RX_CHAIN_DRIVER_FORCE_POS) +#define PHY_RX_CHAIN_VALID_POS (1) +#define PHY_RX_CHAIN_VALID_MSK \ + (0x7 << PHY_RX_CHAIN_VALID_POS) +#define PHY_RX_CHAIN_FORCE_SEL_POS (4) +#define PHY_RX_CHAIN_FORCE_SEL_MSK \ + (0x7 << PHY_RX_CHAIN_FORCE_SEL_POS) +#define PHY_RX_CHAIN_FORCE_MIMO_SEL_POS (7) +#define PHY_RX_CHAIN_FORCE_MIMO_SEL_MSK \ + (0x7 << PHY_RX_CHAIN_FORCE_MIMO_SEL_POS) +#define PHY_RX_CHAIN_CNT_POS (10) +#define PHY_RX_CHAIN_CNT_MSK \ + (0x3 << PHY_RX_CHAIN_CNT_POS) +#define PHY_RX_CHAIN_MIMO_CNT_POS (12) +#define PHY_RX_CHAIN_MIMO_CNT_MSK \ + (0x3 << PHY_RX_CHAIN_MIMO_CNT_POS) +#define PHY_RX_CHAIN_MIMO_FORCE_POS (14) +#define PHY_RX_CHAIN_MIMO_FORCE_MSK \ + (0x1 << PHY_RX_CHAIN_MIMO_FORCE_POS) + +/* TODO: fix the value, make it depend on firmware at runtime? */ +#define NUM_PHY_CTX 3 + +/* TODO: complete missing documentation */ +/** + * struct iwl_phy_context_cmd - config of the PHY context + * ( PHY_CONTEXT_CMD = 0x8 ) + * @id_and_color: ID and color of the relevant Binding + * @action: action to perform, one of FW_CTXT_ACTION_* + * @apply_time: 0 means immediate apply and context switch. + * other value means apply new params after X usecs + * @tx_param_color: ??? + * @channel_info: + * @txchain_info: ??? + * @rxchain_info: ??? + * @acquisition_data: ??? + * @dsp_cfg_flags: set to 0 + */ +struct iwl_phy_context_cmd { + /* COMMON_INDEX_HDR_API_S_VER_1 */ + __le32 id_and_color; + __le32 action; + /* PHY_CONTEXT_DATA_API_S_VER_1 */ + __le32 apply_time; + __le32 tx_param_color; + struct iwl_fw_channel_info ci; + __le32 txchain_info; + __le32 rxchain_info; + __le32 acquisition_data; + __le32 dsp_cfg_flags; +} __packed; /* PHY_CONTEXT_CMD_API_VER_1 */ + +#define IWL_RX_INFO_PHY_CNT 8 +#define IWL_RX_INFO_AGC_IDX 1 +#define IWL_RX_INFO_RSSI_AB_IDX 2 +#define IWL_RX_INFO_RSSI_C_IDX 3 +#define IWL_OFDM_AGC_DB_MSK 0xfe00 +#define IWL_OFDM_AGC_DB_POS 9 +#define IWL_OFDM_RSSI_INBAND_A_MSK 0x00ff +#define IWL_OFDM_RSSI_ALLBAND_A_MSK 0xff00 +#define IWL_OFDM_RSSI_A_POS 0 +#define IWL_OFDM_RSSI_INBAND_B_MSK 0xff0000 +#define IWL_OFDM_RSSI_ALLBAND_B_MSK 0xff000000 +#define IWL_OFDM_RSSI_B_POS 16 +#define IWL_OFDM_RSSI_INBAND_C_MSK 0x00ff +#define IWL_OFDM_RSSI_ALLBAND_C_MSK 0xff00 +#define IWL_OFDM_RSSI_C_POS 0 + +/** + * struct iwl_rx_phy_info - phy info + * (REPLY_RX_PHY_CMD = 0xc0) + * @non_cfg_phy_cnt: non configurable DSP phy data byte count + * @cfg_phy_cnt: configurable DSP phy data byte count + * @stat_id: configurable DSP phy data set ID + * @reserved1: + * @system_timestamp: GP2 at on air rise + * @timestamp: TSF at on air rise + * @beacon_time_stamp: beacon at on-air rise + * @phy_flags: general phy flags: band, modulation, ... + * @channel: channel number + * @non_cfg_phy_buf: for various implementations of non_cfg_phy + * @rate_n_flags: RATE_MCS_* + * @byte_count: frame's byte-count + * @frame_time: frame's time on the air, based on byte count and frame rate + * calculation + * + * Before each Rx, the device sends this data. It contains PHY information + * about the reception of the packet. + */ +struct iwl_rx_phy_info { + u8 non_cfg_phy_cnt; + u8 cfg_phy_cnt; + u8 stat_id; + u8 reserved1; + __le32 system_timestamp; + __le64 timestamp; + __le32 beacon_time_stamp; + __le16 phy_flags; + __le16 channel; + __le32 non_cfg_phy[IWL_RX_INFO_PHY_CNT]; + __le32 rate_n_flags; + __le32 byte_count; + __le16 reserved2; + __le16 frame_time; +} __packed; + +struct iwl_rx_mpdu_res_start { + __le16 byte_count; + __le16 reserved; +} __packed; + +/** + * enum iwl_rx_phy_flags - to parse %iwl_rx_phy_info phy_flags + * @RX_RES_PHY_FLAGS_BAND_24: true if the packet was received on 2.4 band + * @RX_RES_PHY_FLAGS_MOD_CCK: + * @RX_RES_PHY_FLAGS_SHORT_PREAMBLE: true if packet's preamble was short + * @RX_RES_PHY_FLAGS_NARROW_BAND: + * @RX_RES_PHY_FLAGS_ANTENNA: antenna on which the packet was received + * @RX_RES_PHY_FLAGS_AGG: set if the packet was part of an A-MPDU + * @RX_RES_PHY_FLAGS_OFDM_HT: The frame was an HT frame + * @RX_RES_PHY_FLAGS_OFDM_GF: The frame used GF preamble + * @RX_RES_PHY_FLAGS_OFDM_VHT: The frame was a VHT frame + */ +enum iwl_rx_phy_flags { + RX_RES_PHY_FLAGS_BAND_24 = BIT(0), + RX_RES_PHY_FLAGS_MOD_CCK = BIT(1), + RX_RES_PHY_FLAGS_SHORT_PREAMBLE = BIT(2), + RX_RES_PHY_FLAGS_NARROW_BAND = BIT(3), + RX_RES_PHY_FLAGS_ANTENNA = (0x7 << 4), + RX_RES_PHY_FLAGS_ANTENNA_POS = 4, + RX_RES_PHY_FLAGS_AGG = BIT(7), + RX_RES_PHY_FLAGS_OFDM_HT = BIT(8), + RX_RES_PHY_FLAGS_OFDM_GF = BIT(9), + RX_RES_PHY_FLAGS_OFDM_VHT = BIT(10), +}; + +/** + * enum iwl_mvm_rx_status - written by fw for each Rx packet + * @RX_MPDU_RES_STATUS_CRC_OK: CRC is fine + * @RX_MPDU_RES_STATUS_OVERRUN_OK: there was no RXE overflow + * @RX_MPDU_RES_STATUS_SRC_STA_FOUND: + * @RX_MPDU_RES_STATUS_KEY_VALID: + * @RX_MPDU_RES_STATUS_KEY_PARAM_OK: + * @RX_MPDU_RES_STATUS_ICV_OK: ICV is fine, if not, the packet is destroyed + * @RX_MPDU_RES_STATUS_MIC_OK: used for CCM alg only. TKIP MIC is checked + * in the driver. + * @RX_MPDU_RES_STATUS_TTAK_OK: TTAK is fine + * @RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR: valid for alg = CCM_CMAC or + * alg = CCM only. Checks replay attack for 11w frames. Relevant only if + * %RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME is set. + * @RX_MPDU_RES_STATUS_SEC_NO_ENC: this frame is not encrypted + * @RX_MPDU_RES_STATUS_SEC_WEP_ENC: this frame is encrypted using WEP + * @RX_MPDU_RES_STATUS_SEC_CCM_ENC: this frame is encrypted using CCM + * @RX_MPDU_RES_STATUS_SEC_TKIP_ENC: this frame is encrypted using TKIP + * @RX_MPDU_RES_STATUS_SEC_CCM_CMAC_ENC: this frame is encrypted using CCM_CMAC + * @RX_MPDU_RES_STATUS_SEC_ENC_ERR: this frame couldn't be decrypted + * @RX_MPDU_RES_STATUS_SEC_ENC_MSK: bitmask of the encryption algorithm + * @RX_MPDU_RES_STATUS_DEC_DONE: this frame has been successfully decrypted + * @RX_MPDU_RES_STATUS_PROTECT_FRAME_BIT_CMP: + * @RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP: + * @RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT: + * @RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME: this frame is an 11w management frame + * @RX_MPDU_RES_STATUS_HASH_INDEX_MSK: + * @RX_MPDU_RES_STATUS_STA_ID_MSK: + * @RX_MPDU_RES_STATUS_RRF_KILL: + * @RX_MPDU_RES_STATUS_FILTERING_MSK: + * @RX_MPDU_RES_STATUS2_FILTERING_MSK: + */ +enum iwl_mvm_rx_status { + RX_MPDU_RES_STATUS_CRC_OK = BIT(0), + RX_MPDU_RES_STATUS_OVERRUN_OK = BIT(1), + RX_MPDU_RES_STATUS_SRC_STA_FOUND = BIT(2), + RX_MPDU_RES_STATUS_KEY_VALID = BIT(3), + RX_MPDU_RES_STATUS_KEY_PARAM_OK = BIT(4), + RX_MPDU_RES_STATUS_ICV_OK = BIT(5), + RX_MPDU_RES_STATUS_MIC_OK = BIT(6), + RX_MPDU_RES_STATUS_TTAK_OK = BIT(7), + RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR = BIT(7), + RX_MPDU_RES_STATUS_SEC_NO_ENC = (0 << 8), + RX_MPDU_RES_STATUS_SEC_WEP_ENC = (1 << 8), + RX_MPDU_RES_STATUS_SEC_CCM_ENC = (2 << 8), + RX_MPDU_RES_STATUS_SEC_TKIP_ENC = (3 << 8), + RX_MPDU_RES_STATUS_SEC_CCM_CMAC_ENC = (6 << 8), + RX_MPDU_RES_STATUS_SEC_ENC_ERR = (7 << 8), + RX_MPDU_RES_STATUS_SEC_ENC_MSK = (7 << 8), + RX_MPDU_RES_STATUS_DEC_DONE = BIT(11), + RX_MPDU_RES_STATUS_PROTECT_FRAME_BIT_CMP = BIT(12), + RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP = BIT(13), + RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT = BIT(14), + RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME = BIT(15), + RX_MPDU_RES_STATUS_HASH_INDEX_MSK = (0x3F0000), + RX_MPDU_RES_STATUS_STA_ID_MSK = (0x1f000000), + RX_MPDU_RES_STATUS_RRF_KILL = BIT(29), + RX_MPDU_RES_STATUS_FILTERING_MSK = (0xc00000), + RX_MPDU_RES_STATUS2_FILTERING_MSK = (0xc0000000), +}; + +/** + * struct iwl_radio_version_notif - information on the radio version + * ( RADIO_VERSION_NOTIFICATION = 0x68 ) + * @radio_flavor: + * @radio_step: + * @radio_dash: + */ +struct iwl_radio_version_notif { + __le32 radio_flavor; + __le32 radio_step; + __le32 radio_dash; +} __packed; /* RADIO_VERSION_NOTOFICATION_S_VER_1 */ + +enum iwl_card_state_flags { + CARD_ENABLED = 0x00, + HW_CARD_DISABLED = 0x01, + SW_CARD_DISABLED = 0x02, + CT_KILL_CARD_DISABLED = 0x04, + HALT_CARD_DISABLED = 0x08, + CARD_DISABLED_MSK = 0x0f, + CARD_IS_RX_ON = 0x10, +}; + +/** + * struct iwl_radio_version_notif - information on the radio version + * ( CARD_STATE_NOTIFICATION = 0xa1 ) + * @flags: %iwl_card_state_flags + */ +struct iwl_card_state_notif { + __le32 flags; +} __packed; /* CARD_STATE_NTFY_API_S_VER_1 */ + +/** + * struct iwl_set_calib_default_cmd - set default value for calibration. + * ( SET_CALIB_DEFAULT_CMD = 0x8e ) + * @calib_index: the calibration to set value for + * @length: of data + * @data: the value to set for the calibration result + */ +struct iwl_set_calib_default_cmd { + __le16 calib_index; + __le16 length; + u8 data[0]; +} __packed; /* PHY_CALIB_OVERRIDE_VALUES_S */ + +#endif /* __fw_api_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c new file mode 100644 index 000000000000..90473c2ba1c7 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/fw.c @@ -0,0 +1,644 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#include <net/mac80211.h> + +#include "iwl-trans.h" +#include "iwl-op-mode.h" +#include "iwl-fw.h" +#include "iwl-debug.h" +#include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */ +#include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */ +#include "iwl-eeprom-parse.h" + +#include "mvm.h" +#include "iwl-phy-db.h" + +#define MVM_UCODE_ALIVE_TIMEOUT HZ +#define MVM_UCODE_CALIB_TIMEOUT (2*HZ) + +#define UCODE_VALID_OK cpu_to_le32(0x1) + +/* Default calibration values for WkP - set to INIT image w/o running */ +static const u8 wkp_calib_values_bb_filter[] = { 0xbf, 0x00, 0x5f, 0x00, 0x2f, + 0x00, 0x18, 0x00 }; +static const u8 wkp_calib_values_rx_dc[] = { 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f }; +static const u8 wkp_calib_values_tx_lo[] = { 0x00, 0x00, 0x00, 0x00 }; +static const u8 wkp_calib_values_tx_iq[] = { 0xff, 0x00, 0xff, 0x00, 0x00, + 0x00 }; +static const u8 wkp_calib_values_rx_iq[] = { 0xff, 0x00, 0x00, 0x00 }; +static const u8 wkp_calib_values_rx_iq_skew[] = { 0x00, 0x00, 0x01, 0x00 }; +static const u8 wkp_calib_values_tx_iq_skew[] = { 0x01, 0x00, 0x00, 0x00 }; +static const u8 wkp_calib_values_xtal[] = { 0xd2, 0xd2 }; + +struct iwl_calib_default_data { + u16 size; + void *data; +}; + +#define CALIB_SIZE_N_DATA(_buf) {.size = sizeof(_buf), .data = &_buf} + +static const struct iwl_calib_default_data wkp_calib_default_data[12] = { + [5] = CALIB_SIZE_N_DATA(wkp_calib_values_rx_dc), + [6] = CALIB_SIZE_N_DATA(wkp_calib_values_bb_filter), + [7] = CALIB_SIZE_N_DATA(wkp_calib_values_tx_lo), + [8] = CALIB_SIZE_N_DATA(wkp_calib_values_tx_iq), + [9] = CALIB_SIZE_N_DATA(wkp_calib_values_tx_iq_skew), + [10] = CALIB_SIZE_N_DATA(wkp_calib_values_rx_iq), + [11] = CALIB_SIZE_N_DATA(wkp_calib_values_rx_iq_skew), +}; + +struct iwl_mvm_alive_data { + bool valid; + u32 scd_base_addr; +}; + +static inline const struct fw_img * +iwl_get_ucode_image(struct iwl_mvm *mvm, enum iwl_ucode_type ucode_type) +{ + if (ucode_type >= IWL_UCODE_TYPE_MAX) + return NULL; + + return &mvm->fw->img[ucode_type]; +} + +static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant) +{ + struct iwl_tx_ant_cfg_cmd tx_ant_cmd = { + .valid = cpu_to_le32(valid_tx_ant), + }; + + IWL_DEBUG_HC(mvm, "select valid tx ant: %u\n", valid_tx_ant); + return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, CMD_SYNC, + sizeof(tx_ant_cmd), &tx_ant_cmd); +} + +static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, + struct iwl_rx_packet *pkt, void *data) +{ + struct iwl_mvm *mvm = + container_of(notif_wait, struct iwl_mvm, notif_wait); + struct iwl_mvm_alive_data *alive_data = data; + struct mvm_alive_resp *palive; + + palive = (void *)pkt->data; + + mvm->error_event_table = le32_to_cpu(palive->error_event_table_ptr); + mvm->log_event_table = le32_to_cpu(palive->log_event_table_ptr); + alive_data->scd_base_addr = le32_to_cpu(palive->scd_base_ptr); + + alive_data->valid = le16_to_cpu(palive->status) == IWL_ALIVE_STATUS_OK; + IWL_DEBUG_FW(mvm, "Alive ucode status 0x%04x revision 0x%01X 0x%01X\n", + le16_to_cpu(palive->status), palive->ver_type, + palive->ver_subtype); + + return true; +} + +static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait, + struct iwl_rx_packet *pkt, void *data) +{ + struct iwl_phy_db *phy_db = data; + + if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) { + WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF); + return true; + } + + WARN_ON(iwl_phy_db_set_section(phy_db, pkt, GFP_ATOMIC)); + + return false; +} + +static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, + enum iwl_ucode_type ucode_type) +{ + struct iwl_notification_wait alive_wait; + struct iwl_mvm_alive_data alive_data; + const struct fw_img *fw; + int ret, i; + enum iwl_ucode_type old_type = mvm->cur_ucode; + static const u8 alive_cmd[] = { MVM_ALIVE }; + + mvm->cur_ucode = ucode_type; + fw = iwl_get_ucode_image(mvm, ucode_type); + + mvm->ucode_loaded = false; + + if (!fw) + return -EINVAL; + + iwl_init_notification_wait(&mvm->notif_wait, &alive_wait, + alive_cmd, ARRAY_SIZE(alive_cmd), + iwl_alive_fn, &alive_data); + + ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT); + if (ret) { + mvm->cur_ucode = old_type; + iwl_remove_notification(&mvm->notif_wait, &alive_wait); + return ret; + } + + /* + * Some things may run in the background now, but we + * just wait for the ALIVE notification here. + */ + ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait, + MVM_UCODE_ALIVE_TIMEOUT); + if (ret) { + mvm->cur_ucode = old_type; + return ret; + } + + if (!alive_data.valid) { + IWL_ERR(mvm, "Loaded ucode is not valid!\n"); + mvm->cur_ucode = old_type; + return -EIO; + } + + iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr); + + /* + * Note: all the queues are enabled as part of the interface + * initialization, but in firmware restart scenarios they + * could be stopped, so wake them up. In firmware restart, + * mac80211 will have the queues stopped as well until the + * reconfiguration completes. During normal startup, they + * will be empty. + */ + + for (i = 0; i < IWL_MAX_HW_QUEUES; i++) { + if (i < IWL_MVM_FIRST_AGG_QUEUE && i != IWL_MVM_CMD_QUEUE) + mvm->queue_to_mac80211[i] = i; + else + mvm->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE; + atomic_set(&mvm->queue_stop_count[i], 0); + } + + mvm->transport_queue_stop = 0; + + mvm->ucode_loaded = true; + + return 0; +} +#define IWL_HW_REV_ID_RAINBOW 0x2 +#define IWL_PROJ_TYPE_LHP 0x5 + +static u32 iwl_mvm_build_phy_cfg(struct iwl_mvm *mvm) +{ + struct iwl_nvm_data *data = mvm->nvm_data; + /* Temp calls to static definitions, will be changed to CSR calls */ + u8 hw_rev_id = IWL_HW_REV_ID_RAINBOW; + u8 project_type = IWL_PROJ_TYPE_LHP; + + return data->radio_cfg_dash | (data->radio_cfg_step << 2) | + (hw_rev_id << 4) | ((project_type & 0x7f) << 6) | + (data->valid_tx_ant << 16) | (data->valid_rx_ant << 20); +} + +static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm) +{ + struct iwl_phy_cfg_cmd phy_cfg_cmd; + enum iwl_ucode_type ucode_type = mvm->cur_ucode; + + /* Set parameters */ + phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_build_phy_cfg(mvm)); + phy_cfg_cmd.calib_control.event_trigger = + mvm->fw->default_calib[ucode_type].event_trigger; + phy_cfg_cmd.calib_control.flow_trigger = + mvm->fw->default_calib[ucode_type].flow_trigger; + + IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n", + phy_cfg_cmd.phy_cfg); + + return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, CMD_SYNC, + sizeof(phy_cfg_cmd), &phy_cfg_cmd); +} + +/* Starting with the new PHY DB implementation - New calibs are enabled */ +/* Value - 0x405e7 */ +#define IWL_CALIB_DEFAULT_FLOW_INIT (IWL_CALIB_CFG_XTAL_IDX |\ + IWL_CALIB_CFG_TEMPERATURE_IDX |\ + IWL_CALIB_CFG_VOLTAGE_READ_IDX |\ + IWL_CALIB_CFG_DC_IDX |\ + IWL_CALIB_CFG_BB_FILTER_IDX |\ + IWL_CALIB_CFG_LO_LEAKAGE_IDX |\ + IWL_CALIB_CFG_TX_IQ_IDX |\ + IWL_CALIB_CFG_RX_IQ_IDX |\ + IWL_CALIB_CFG_AGC_IDX) + +#define IWL_CALIB_DEFAULT_EVENT_INIT 0x0 + +/* Value 0x41567 */ +#define IWL_CALIB_DEFAULT_FLOW_RUN (IWL_CALIB_CFG_XTAL_IDX |\ + IWL_CALIB_CFG_TEMPERATURE_IDX |\ + IWL_CALIB_CFG_VOLTAGE_READ_IDX |\ + IWL_CALIB_CFG_BB_FILTER_IDX |\ + IWL_CALIB_CFG_DC_IDX |\ + IWL_CALIB_CFG_TX_IQ_IDX |\ + IWL_CALIB_CFG_RX_IQ_IDX |\ + IWL_CALIB_CFG_SENSITIVITY_IDX |\ + IWL_CALIB_CFG_AGC_IDX) + +#define IWL_CALIB_DEFAULT_EVENT_RUN (IWL_CALIB_CFG_XTAL_IDX |\ + IWL_CALIB_CFG_TEMPERATURE_IDX |\ + IWL_CALIB_CFG_VOLTAGE_READ_IDX |\ + IWL_CALIB_CFG_TX_PWR_IDX |\ + IWL_CALIB_CFG_DC_IDX |\ + IWL_CALIB_CFG_TX_IQ_IDX |\ + IWL_CALIB_CFG_SENSITIVITY_IDX) + +/* + * Sets the calibrations trigger values that will be sent to the FW for runtime + * and init calibrations. + * The ones given in the FW TLV are not correct. + */ +static void iwl_set_default_calib_trigger(struct iwl_mvm *mvm) +{ + struct iwl_tlv_calib_ctrl default_calib; + + /* + * WkP FW TLV calib bits are wrong, overwrite them. + * This defines the dynamic calibrations which are implemented in the + * uCode both for init(flow) calculation and event driven calibs. + */ + + /* Init Image */ + default_calib.event_trigger = cpu_to_le32(IWL_CALIB_DEFAULT_EVENT_INIT); + default_calib.flow_trigger = cpu_to_le32(IWL_CALIB_DEFAULT_FLOW_INIT); + + if (default_calib.event_trigger != + mvm->fw->default_calib[IWL_UCODE_INIT].event_trigger) + IWL_ERR(mvm, + "Updating the event calib for INIT image: 0x%x -> 0x%x\n", + mvm->fw->default_calib[IWL_UCODE_INIT].event_trigger, + default_calib.event_trigger); + if (default_calib.flow_trigger != + mvm->fw->default_calib[IWL_UCODE_INIT].flow_trigger) + IWL_ERR(mvm, + "Updating the flow calib for INIT image: 0x%x -> 0x%x\n", + mvm->fw->default_calib[IWL_UCODE_INIT].flow_trigger, + default_calib.flow_trigger); + + memcpy((void *)&mvm->fw->default_calib[IWL_UCODE_INIT], + &default_calib, sizeof(struct iwl_tlv_calib_ctrl)); + IWL_ERR(mvm, + "Setting uCode init calibrations event 0x%x, trigger 0x%x\n", + default_calib.event_trigger, + default_calib.flow_trigger); + + /* Run time image */ + default_calib.event_trigger = cpu_to_le32(IWL_CALIB_DEFAULT_EVENT_RUN); + default_calib.flow_trigger = cpu_to_le32(IWL_CALIB_DEFAULT_FLOW_RUN); + + if (default_calib.event_trigger != + mvm->fw->default_calib[IWL_UCODE_REGULAR].event_trigger) + IWL_ERR(mvm, + "Updating the event calib for RT image: 0x%x -> 0x%x\n", + mvm->fw->default_calib[IWL_UCODE_REGULAR].event_trigger, + default_calib.event_trigger); + if (default_calib.flow_trigger != + mvm->fw->default_calib[IWL_UCODE_REGULAR].flow_trigger) + IWL_ERR(mvm, + "Updating the flow calib for RT image: 0x%x -> 0x%x\n", + mvm->fw->default_calib[IWL_UCODE_REGULAR].flow_trigger, + default_calib.flow_trigger); + + memcpy((void *)&mvm->fw->default_calib[IWL_UCODE_REGULAR], + &default_calib, sizeof(struct iwl_tlv_calib_ctrl)); + IWL_ERR(mvm, + "Setting uCode runtime calibs event 0x%x, trigger 0x%x\n", + default_calib.event_trigger, + default_calib.flow_trigger); +} + +static int iwl_set_default_calibrations(struct iwl_mvm *mvm) +{ + u8 cmd_raw[16]; /* holds the variable size commands */ + struct iwl_set_calib_default_cmd *cmd = + (struct iwl_set_calib_default_cmd *)cmd_raw; + int ret, i; + + /* Setting default values for calibrations we don't run */ + for (i = 0; i < ARRAY_SIZE(wkp_calib_default_data); i++) { + u16 cmd_len; + + if (wkp_calib_default_data[i].size == 0) + continue; + + memset(cmd_raw, 0, sizeof(cmd_raw)); + cmd_len = wkp_calib_default_data[i].size + sizeof(cmd); + cmd->calib_index = cpu_to_le16(i); + cmd->length = cpu_to_le16(wkp_calib_default_data[i].size); + if (WARN_ONCE(cmd_len > sizeof(cmd_raw), + "Need to enlarge cmd_raw to %d\n", cmd_len)) + break; + memcpy(cmd->data, wkp_calib_default_data[i].data, + wkp_calib_default_data[i].size); + ret = iwl_mvm_send_cmd_pdu(mvm, SET_CALIB_DEFAULT_CMD, 0, + sizeof(*cmd) + + wkp_calib_default_data[i].size, + cmd); + if (ret) + return ret; + } + + return 0; +} + +int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) +{ + struct iwl_notification_wait calib_wait; + static const u8 init_complete[] = { + INIT_COMPLETE_NOTIF, + CALIB_RES_NOTIF_PHY_DB + }; + int ret; + + lockdep_assert_held(&mvm->mutex); + + if (mvm->init_ucode_run) + return 0; + + iwl_init_notification_wait(&mvm->notif_wait, + &calib_wait, + init_complete, + ARRAY_SIZE(init_complete), + iwl_wait_phy_db_entry, + mvm->phy_db); + + /* Will also start the device */ + ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT); + if (ret) { + IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret); + goto error; + } + + if (read_nvm) { + /* Read nvm */ + ret = iwl_nvm_init(mvm); + if (ret) { + IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); + goto error; + } + } + + ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans); + WARN_ON(ret); + + /* Override the calibrations from TLV and the const of fw */ + iwl_set_default_calib_trigger(mvm); + + /* WkP doesn't have all calibrations, need to set default values */ + if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) { + ret = iwl_set_default_calibrations(mvm); + if (ret) + goto error; + } + + /* + * Send phy configurations command to init uCode + * to start the 16.0 uCode init image internal calibrations. + */ + ret = iwl_send_phy_cfg_cmd(mvm); + if (ret) { + IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n", + ret); + goto error; + } + + /* + * Some things may run in the background now, but we + * just wait for the calibration complete notification. + */ + ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait, + MVM_UCODE_CALIB_TIMEOUT); + if (!ret) + mvm->init_ucode_run = true; + goto out; + +error: + iwl_remove_notification(&mvm->notif_wait, &calib_wait); +out: + if (!iwlmvm_mod_params.init_dbg) { + iwl_trans_stop_device(mvm->trans); + } else if (!mvm->nvm_data) { + /* we want to debug INIT and we have no NVM - fake */ + mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) + + sizeof(struct ieee80211_channel) + + sizeof(struct ieee80211_rate), + GFP_KERNEL); + if (!mvm->nvm_data) + return -ENOMEM; + mvm->nvm_data->valid_rx_ant = 1; + mvm->nvm_data->valid_tx_ant = 1; + mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels; + mvm->nvm_data->bands[0].n_channels = 1; + mvm->nvm_data->bands[0].n_bitrates = 1; + mvm->nvm_data->bands[0].bitrates = + (void *)mvm->nvm_data->channels + 1; + mvm->nvm_data->bands[0].bitrates->hw_value = 10; + } + + return ret; +} + +#define UCODE_CALIB_TIMEOUT (2*HZ) + +int iwl_mvm_up(struct iwl_mvm *mvm) +{ + int ret, i; + + lockdep_assert_held(&mvm->mutex); + + ret = iwl_trans_start_hw(mvm->trans); + if (ret) + return ret; + + /* If we were in RFKILL during module loading, load init ucode now */ + if (!mvm->init_ucode_run) { + ret = iwl_run_init_mvm_ucode(mvm, false); + if (ret && !iwlmvm_mod_params.init_dbg) { + IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); + goto error; + } + } + + if (iwlmvm_mod_params.init_dbg) + return 0; + + ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR); + if (ret) { + IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret); + goto error; + } + + ret = iwl_send_tx_ant_cfg(mvm, mvm->nvm_data->valid_tx_ant); + if (ret) + goto error; + + /* Send phy db control command and then phy db calibration*/ + ret = iwl_send_phy_db_data(mvm->phy_db); + if (ret) + goto error; + + ret = iwl_send_phy_cfg_cmd(mvm); + if (ret) + goto error; + + /* init the fw <-> mac80211 STA mapping */ + for (i = 0; i < IWL_MVM_STATION_COUNT; i++) + RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); + + /* Add auxiliary station for scanning */ + ret = iwl_mvm_add_aux_sta(mvm); + if (ret) + goto error; + + IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); + + return 0; + error: + iwl_trans_stop_device(mvm->trans); + return ret; +} + +int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm) +{ + int ret, i; + + lockdep_assert_held(&mvm->mutex); + + ret = iwl_trans_start_hw(mvm->trans); + if (ret) + return ret; + + ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN); + if (ret) { + IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret); + goto error; + } + + ret = iwl_send_tx_ant_cfg(mvm, mvm->nvm_data->valid_tx_ant); + if (ret) + goto error; + + /* Send phy db control command and then phy db calibration*/ + ret = iwl_send_phy_db_data(mvm->phy_db); + if (ret) + goto error; + + ret = iwl_send_phy_cfg_cmd(mvm); + if (ret) + goto error; + + /* init the fw <-> mac80211 STA mapping */ + for (i = 0; i < IWL_MVM_STATION_COUNT; i++) + RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); + + /* Add auxiliary station for scanning */ + ret = iwl_mvm_add_aux_sta(mvm); + if (ret) + goto error; + + return 0; + error: + iwl_trans_stop_device(mvm->trans); + return ret; +} + +int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_card_state_notif *card_state_notif = (void *)pkt->data; + u32 flags = le32_to_cpu(card_state_notif->flags); + + IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n", + (flags & HW_CARD_DISABLED) ? "Kill" : "On", + (flags & SW_CARD_DISABLED) ? "Kill" : "On", + (flags & CT_KILL_CARD_DISABLED) ? + "Reached" : "Not reached"); + + if (flags & CARD_DISABLED_MSK) + iwl_write32(mvm->trans, CSR_UCODE_DRV_GP1_SET, + CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); + + return 0; +} + +int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_radio_version_notif *radio_version = (void *)pkt->data; + + /* TODO: what to do with that? */ + IWL_DEBUG_INFO(mvm, + "Radio version: flavor: 0x%08x, step 0x%08x, dash 0x%08x\n", + le32_to_cpu(radio_version->radio_flavor), + le32_to_cpu(radio_version->radio_step), + le32_to_cpu(radio_version->radio_dash)); + return 0; +} diff --git a/drivers/net/wireless/iwlwifi/mvm/led.c b/drivers/net/wireless/iwlwifi/mvm/led.c new file mode 100644 index 000000000000..011906e73a05 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/led.c @@ -0,0 +1,134 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#include <linux/leds.h> +#include "iwl-io.h" +#include "iwl-csr.h" +#include "mvm.h" + +/* Set led register on */ +static void iwl_mvm_led_enable(struct iwl_mvm *mvm) +{ + iwl_write32(mvm->trans, CSR_LED_REG, CSR_LED_REG_TURN_ON); +} + +/* Set led register off */ +static void iwl_mvm_led_disable(struct iwl_mvm *mvm) +{ + iwl_write32(mvm->trans, CSR_LED_REG, CSR_LED_REG_TURN_OFF); +} + +static void iwl_led_brightness_set(struct led_classdev *led_cdev, + enum led_brightness brightness) +{ + struct iwl_mvm *mvm = container_of(led_cdev, struct iwl_mvm, led); + if (brightness > 0) + iwl_mvm_led_enable(mvm); + else + iwl_mvm_led_disable(mvm); +} + +int iwl_mvm_leds_init(struct iwl_mvm *mvm) +{ + int mode = iwlwifi_mod_params.led_mode; + int ret; + + switch (mode) { + case IWL_LED_DEFAULT: + case IWL_LED_RF_STATE: + mode = IWL_LED_RF_STATE; + break; + case IWL_LED_DISABLE: + IWL_INFO(mvm, "Led disabled\n"); + return 0; + default: + return -EINVAL; + }; + + mvm->led.name = kasprintf(GFP_KERNEL, "%s-led", + wiphy_name(mvm->hw->wiphy)); + mvm->led.brightness_set = iwl_led_brightness_set; + mvm->led.max_brightness = 1; + + if (mode == IWL_LED_RF_STATE) + mvm->led.default_trigger = + ieee80211_get_radio_led_name(mvm->hw); + + ret = led_classdev_register(mvm->trans->dev, &mvm->led); + if (ret) { + kfree(mvm->led.name); + IWL_INFO(mvm, "Failed to enable led\n"); + return ret; + } + + return 0; +} + +void iwl_mvm_leds_exit(struct iwl_mvm *mvm) +{ + if (iwlwifi_mod_params.led_mode == IWL_LED_DISABLE) + return; + + led_classdev_unregister(&mvm->led); + kfree(mvm->led.name); +} diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c new file mode 100644 index 000000000000..c08a17a3cab9 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c @@ -0,0 +1,951 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#include <linux/etherdevice.h> +#include <net/mac80211.h> +#include "iwl-io.h" +#include "iwl-prph.h" +#include "fw-api.h" +#include "mvm.h" + +const u8 iwl_mvm_ac_to_tx_fifo[] = { + IWL_MVM_TX_FIFO_BK, + IWL_MVM_TX_FIFO_BE, + IWL_MVM_TX_FIFO_VI, + IWL_MVM_TX_FIFO_VO, +}; + +struct iwl_mvm_mac_iface_iterator_data { + struct iwl_mvm *mvm; + struct ieee80211_vif *vif; + unsigned long available_mac_ids[BITS_TO_LONGS(NUM_MAC_INDEX_DRIVER)]; + unsigned long available_tsf_ids[BITS_TO_LONGS(NUM_TSF_IDS)]; + unsigned long used_hw_queues[BITS_TO_LONGS(IWL_MVM_FIRST_AGG_QUEUE)]; + enum iwl_tsf_id preferred_tsf; + bool found_vif; +}; + +static void iwl_mvm_mac_iface_iterator(void *_data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct iwl_mvm_mac_iface_iterator_data *data = _data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + u32 ac; + + /* Iterator may already find the interface being added -- skip it */ + if (vif == data->vif) { + data->found_vif = true; + return; + } + + /* Mark the queues used by the vif */ + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) + if (vif->hw_queue[ac] != IEEE80211_INVAL_HW_QUEUE) + __set_bit(vif->hw_queue[ac], data->used_hw_queues); + + if (vif->cab_queue != IEEE80211_INVAL_HW_QUEUE) + __set_bit(vif->cab_queue, data->used_hw_queues); + + /* + * Mark MAC IDs as used by clearing the available bit, and + * (below) mark TSFs as used if their existing use is not + * compatible with the new interface type. + * No locking or atomic bit operations are needed since the + * data is on the stack of the caller function. + */ + __clear_bit(mvmvif->id, data->available_mac_ids); + + /* + * The TSF is a hardware/firmware resource, there are 4 and + * the driver should assign and free them as needed. However, + * there are cases where 2 MACs should share the same TSF ID + * for the purpose of clock sync, an optimization to avoid + * clock drift causing overlapping TBTTs/DTIMs for a GO and + * client in the system. + * + * The firmware will decide according to the MAC type which + * will be the master and slave. Clients that need to sync + * with a remote station will be the master, and an AP or GO + * will be the slave. + * + * Depending on the new interface type it can be slaved to + * or become the master of an existing interface. + */ + switch (data->vif->type) { + case NL80211_IFTYPE_STATION: + /* + * The new interface is client, so if the existing one + * we're iterating is an AP, the TSF should be used to + * avoid drift between the new client and existing AP, + * the existing AP will get drift updates from the new + * client context in this case + */ + if (vif->type == NL80211_IFTYPE_AP) { + if (data->preferred_tsf == NUM_TSF_IDS && + test_bit(mvmvif->tsf_id, data->available_tsf_ids)) + data->preferred_tsf = mvmvif->tsf_id; + return; + } + break; + case NL80211_IFTYPE_AP: + /* + * The new interface is AP/GO, so should get drift + * updates from an existing client or use the same + * TSF as an existing GO. There's no drift between + * TSFs internally but if they used different TSFs + * then a new client MAC could update one of them + * and cause drift that way. + */ + if (vif->type == NL80211_IFTYPE_STATION || + vif->type == NL80211_IFTYPE_AP) { + if (data->preferred_tsf == NUM_TSF_IDS && + test_bit(mvmvif->tsf_id, data->available_tsf_ids)) + data->preferred_tsf = mvmvif->tsf_id; + return; + } + break; + default: + /* + * For all other interface types there's no need to + * take drift into account. Either they're exclusive + * like IBSS and monitor, or we don't care much about + * their TSF (like P2P Device), but we won't be able + * to share the TSF resource. + */ + break; + } + + /* + * Unless we exited above, we can't share the TSF resource + * that the virtual interface we're iterating over is using + * with the new one, so clear the available bit and if this + * was the preferred one, reset that as well. + */ + __clear_bit(mvmvif->tsf_id, data->available_tsf_ids); + + if (data->preferred_tsf == mvmvif->tsf_id) + data->preferred_tsf = NUM_TSF_IDS; +} + +/* + * Get the mask of the queus used by the vif + */ +u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + u32 qmask, ac; + + if (vif->type == NL80211_IFTYPE_P2P_DEVICE) + return BIT(IWL_OFFCHANNEL_QUEUE); + + qmask = (vif->cab_queue != IEEE80211_INVAL_HW_QUEUE) ? + BIT(vif->cab_queue) : 0; + + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) + if (vif->hw_queue[ac] != IEEE80211_INVAL_HW_QUEUE) + qmask |= BIT(vif->hw_queue[ac]); + + return qmask; +} + +static int iwl_mvm_mac_ctxt_allocate_resources(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm_mac_iface_iterator_data data = { + .mvm = mvm, + .vif = vif, + .available_mac_ids = { (1 << NUM_MAC_INDEX_DRIVER) - 1 }, + .available_tsf_ids = { (1 << NUM_TSF_IDS) - 1 }, + /* no preference yet */ + .preferred_tsf = NUM_TSF_IDS, + .used_hw_queues = { + BIT(IWL_MVM_OFFCHANNEL_QUEUE) | + BIT(IWL_MVM_AUX_QUEUE) | + BIT(IWL_MVM_CMD_QUEUE) + }, + .found_vif = false, + }; + u32 ac; + int ret; + + /* + * Allocate a MAC ID and a TSF for this MAC, along with the queues + * and other resources. + */ + + /* + * Before the iterator, we start with all MAC IDs and TSFs available. + * + * During iteration, all MAC IDs are cleared that are in use by other + * virtual interfaces, and all TSF IDs are cleared that can't be used + * by this new virtual interface because they're used by an interface + * that can't share it with the new one. + * At the same time, we check if there's a preferred TSF in the case + * that we should share it with another interface. + */ + + ieee80211_iterate_active_interfaces_atomic( + mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL, + iwl_mvm_mac_iface_iterator, &data); + + /* + * In the case we're getting here during resume, it's similar to + * firmware restart, and with RESUME_ALL the iterator will find + * the vif being added already. + * We don't want to reassign any IDs in either case since doing + * so would probably assign different IDs (as interfaces aren't + * necessarily added in the same order), but the old IDs were + * preserved anyway, so skip ID assignment for both resume and + * recovery. + */ + if (data.found_vif) + return 0; + + /* Therefore, in recovery, we can't get here */ + WARN_ON_ONCE(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)); + + mvmvif->id = find_first_bit(data.available_mac_ids, + NUM_MAC_INDEX_DRIVER); + if (mvmvif->id == NUM_MAC_INDEX_DRIVER) { + IWL_ERR(mvm, "Failed to init MAC context - no free ID!\n"); + ret = -EIO; + goto exit_fail; + } + + if (data.preferred_tsf != NUM_TSF_IDS) + mvmvif->tsf_id = data.preferred_tsf; + else + mvmvif->tsf_id = find_first_bit(data.available_tsf_ids, + NUM_TSF_IDS); + if (mvmvif->tsf_id == NUM_TSF_IDS) { + IWL_ERR(mvm, "Failed to init MAC context - no free TSF!\n"); + ret = -EIO; + goto exit_fail; + } + + mvmvif->color = 0; + + /* No need to allocate data queues to P2P Device MAC.*/ + if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) + vif->hw_queue[ac] = IEEE80211_INVAL_HW_QUEUE; + + return 0; + } + + /* Find available queues, and allocate them to the ACs */ + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { + u8 queue = find_first_zero_bit(data.used_hw_queues, + IWL_MVM_FIRST_AGG_QUEUE); + + if (queue >= IWL_MVM_FIRST_AGG_QUEUE) { + IWL_ERR(mvm, "Failed to allocate queue\n"); + ret = -EIO; + goto exit_fail; + } + + __set_bit(queue, data.used_hw_queues); + vif->hw_queue[ac] = queue; + } + + /* Allocate the CAB queue for softAP and GO interfaces */ + if (vif->type == NL80211_IFTYPE_AP) { + u8 queue = find_first_zero_bit(data.used_hw_queues, + IWL_MVM_FIRST_AGG_QUEUE); + + if (queue >= IWL_MVM_FIRST_AGG_QUEUE) { + IWL_ERR(mvm, "Failed to allocate cab queue\n"); + ret = -EIO; + goto exit_fail; + } + + vif->cab_queue = queue; + } else { + vif->cab_queue = IEEE80211_INVAL_HW_QUEUE; + } + + mvmvif->bcast_sta.sta_id = IWL_MVM_STATION_COUNT; + mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT; + + INIT_LIST_HEAD(&mvmvif->time_event_data.list); + mvmvif->time_event_data.id = TE_MAX; + + return 0; + +exit_fail: + memset(mvmvif, 0, sizeof(struct iwl_mvm_vif)); + memset(vif->hw_queue, IEEE80211_INVAL_HW_QUEUE, sizeof(vif->hw_queue)); + vif->cab_queue = IEEE80211_INVAL_HW_QUEUE; + return ret; +} + +int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif) +{ + u32 ac; + int ret; + + lockdep_assert_held(&mvm->mutex); + + ret = iwl_mvm_mac_ctxt_allocate_resources(mvm, vif); + if (ret) + return ret; + + switch (vif->type) { + case NL80211_IFTYPE_P2P_DEVICE: + iwl_trans_ac_txq_enable(mvm->trans, IWL_MVM_OFFCHANNEL_QUEUE, + IWL_MVM_TX_FIFO_VO); + break; + case NL80211_IFTYPE_AP: + iwl_trans_ac_txq_enable(mvm->trans, vif->cab_queue, + IWL_MVM_TX_FIFO_VO); + /* fall through */ + default: + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) + iwl_trans_ac_txq_enable(mvm->trans, vif->hw_queue[ac], + iwl_mvm_ac_to_tx_fifo[ac]); + break; + } + + return 0; +} + +void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif) +{ + int ac; + + lockdep_assert_held(&mvm->mutex); + + switch (vif->type) { + case NL80211_IFTYPE_P2P_DEVICE: + iwl_trans_txq_disable(mvm->trans, IWL_MVM_OFFCHANNEL_QUEUE); + break; + case NL80211_IFTYPE_AP: + iwl_trans_txq_disable(mvm->trans, vif->cab_queue); + /* fall through */ + default: + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) + iwl_trans_txq_disable(mvm->trans, vif->hw_queue[ac]); + } +} + +static void iwl_mvm_ack_rates(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + enum ieee80211_band band, + u8 *cck_rates, u8 *ofdm_rates) +{ + struct ieee80211_supported_band *sband; + unsigned long basic = vif->bss_conf.basic_rates; + int lowest_present_ofdm = 100; + int lowest_present_cck = 100; + u8 cck = 0; + u8 ofdm = 0; + int i; + + sband = mvm->hw->wiphy->bands[band]; + + for_each_set_bit(i, &basic, BITS_PER_LONG) { + int hw = sband->bitrates[i].hw_value; + if (hw >= IWL_FIRST_OFDM_RATE) { + ofdm |= BIT(hw - IWL_FIRST_OFDM_RATE); + if (lowest_present_ofdm > hw) + lowest_present_ofdm = hw; + } else { + BUILD_BUG_ON(IWL_FIRST_CCK_RATE != 0); + + cck |= BIT(hw); + if (lowest_present_cck > hw) + lowest_present_cck = hw; + } + } + + /* + * Now we've got the basic rates as bitmaps in the ofdm and cck + * variables. This isn't sufficient though, as there might not + * be all the right rates in the bitmap. E.g. if the only basic + * rates are 5.5 Mbps and 11 Mbps, we still need to add 1 Mbps + * and 6 Mbps because the 802.11-2007 standard says in 9.6: + * + * [...] a STA responding to a received frame shall transmit + * its Control Response frame [...] at the highest rate in the + * BSSBasicRateSet parameter that is less than or equal to the + * rate of the immediately previous frame in the frame exchange + * sequence ([...]) and that is of the same modulation class + * ([...]) as the received frame. If no rate contained in the + * BSSBasicRateSet parameter meets these conditions, then the + * control frame sent in response to a received frame shall be + * transmitted at the highest mandatory rate of the PHY that is + * less than or equal to the rate of the received frame, and + * that is of the same modulation class as the received frame. + * + * As a consequence, we need to add all mandatory rates that are + * lower than all of the basic rates to these bitmaps. + */ + + if (IWL_RATE_24M_INDEX < lowest_present_ofdm) + ofdm |= IWL_RATE_BIT_MSK(24) >> IWL_FIRST_OFDM_RATE; + if (IWL_RATE_12M_INDEX < lowest_present_ofdm) + ofdm |= IWL_RATE_BIT_MSK(12) >> IWL_FIRST_OFDM_RATE; + /* 6M already there or needed so always add */ + ofdm |= IWL_RATE_BIT_MSK(6) >> IWL_FIRST_OFDM_RATE; + + /* + * CCK is a bit more complex with DSSS vs. HR/DSSS vs. ERP. + * Note, however: + * - if no CCK rates are basic, it must be ERP since there must + * be some basic rates at all, so they're OFDM => ERP PHY + * (or we're in 5 GHz, and the cck bitmap will never be used) + * - if 11M is a basic rate, it must be ERP as well, so add 5.5M + * - if 5.5M is basic, 1M and 2M are mandatory + * - if 2M is basic, 1M is mandatory + * - if 1M is basic, that's the only valid ACK rate. + * As a consequence, it's not as complicated as it sounds, just add + * any lower rates to the ACK rate bitmap. + */ + if (IWL_RATE_11M_INDEX < lowest_present_cck) + cck |= IWL_RATE_BIT_MSK(11) >> IWL_FIRST_CCK_RATE; + if (IWL_RATE_5M_INDEX < lowest_present_cck) + cck |= IWL_RATE_BIT_MSK(5) >> IWL_FIRST_CCK_RATE; + if (IWL_RATE_2M_INDEX < lowest_present_cck) + cck |= IWL_RATE_BIT_MSK(2) >> IWL_FIRST_CCK_RATE; + /* 1M already there or needed so always add */ + cck |= IWL_RATE_BIT_MSK(1) >> IWL_FIRST_CCK_RATE; + + *cck_rates = cck; + *ofdm_rates = ofdm; +} + +static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct iwl_mac_ctx_cmd *cmd, + u32 action) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct ieee80211_chanctx_conf *chanctx; + u8 cck_ack_rates, ofdm_ack_rates; + int i; + + cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, + mvmvif->color)); + cmd->action = cpu_to_le32(action); + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + if (vif->p2p) + cmd->mac_type = cpu_to_le32(FW_MAC_TYPE_P2P_STA); + else + cmd->mac_type = cpu_to_le32(FW_MAC_TYPE_BSS_STA); + break; + case NL80211_IFTYPE_AP: + cmd->mac_type = cpu_to_le32(FW_MAC_TYPE_GO); + break; + case NL80211_IFTYPE_MONITOR: + cmd->mac_type = cpu_to_le32(FW_MAC_TYPE_LISTENER); + break; + case NL80211_IFTYPE_P2P_DEVICE: + cmd->mac_type = cpu_to_le32(FW_MAC_TYPE_P2P_DEVICE); + break; + case NL80211_IFTYPE_ADHOC: + cmd->mac_type = cpu_to_le32(FW_MAC_TYPE_IBSS); + break; + default: + WARN_ON_ONCE(1); + } + + cmd->tsf_id = cpu_to_le32(mvmvif->tsf_id); + + memcpy(cmd->node_addr, vif->addr, ETH_ALEN); + if (vif->bss_conf.bssid) + memcpy(cmd->bssid_addr, vif->bss_conf.bssid, ETH_ALEN); + else + eth_broadcast_addr(cmd->bssid_addr); + + rcu_read_lock(); + chanctx = rcu_dereference(vif->chanctx_conf); + iwl_mvm_ack_rates(mvm, vif, chanctx ? chanctx->def.chan->band + : IEEE80211_BAND_2GHZ, + &cck_ack_rates, &ofdm_ack_rates); + rcu_read_unlock(); + + cmd->cck_rates = cpu_to_le32((u32)cck_ack_rates); + cmd->ofdm_rates = cpu_to_le32((u32)ofdm_ack_rates); + + cmd->cck_short_preamble = + cpu_to_le32(vif->bss_conf.use_short_preamble ? + MAC_FLG_SHORT_PREAMBLE : 0); + cmd->short_slot = + cpu_to_le32(vif->bss_conf.use_short_slot ? + MAC_FLG_SHORT_SLOT : 0); + + for (i = 0; i < AC_NUM; i++) { + cmd->ac[i].cw_min = cpu_to_le16(mvmvif->queue_params[i].cw_min); + cmd->ac[i].cw_max = cpu_to_le16(mvmvif->queue_params[i].cw_max); + cmd->ac[i].aifsn = mvmvif->queue_params[i].aifs; + cmd->ac[i].edca_txop = + cpu_to_le16(mvmvif->queue_params[i].txop * 32); + cmd->ac[i].fifos_mask = BIT(iwl_mvm_ac_to_tx_fifo[i]); + } + + if (vif->bss_conf.qos) + cmd->qos_flags |= cpu_to_le32(MAC_QOS_FLG_UPDATE_EDCA); + + if (vif->bss_conf.use_cts_prot) + cmd->protection_flags |= cpu_to_le32(MAC_PROT_FLG_TGG_PROTECT | + MAC_PROT_FLG_SELF_CTS_EN); + + /* + * I think that we should enable these 2 flags regardless the HT PROT + * fields in the HT IE, but I am not sure. Someone knows whom to ask?... + */ + if (vif->bss_conf.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) { + cmd->qos_flags |= cpu_to_le32(MAC_QOS_FLG_TGN); + cmd->protection_flags |= cpu_to_le32(MAC_PROT_FLG_HT_PROT | + MAC_PROT_FLG_FAT_PROT); + } + + cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP); +} + +static int iwl_mvm_mac_ctxt_send_cmd(struct iwl_mvm *mvm, + struct iwl_mac_ctx_cmd *cmd) +{ + int ret = iwl_mvm_send_cmd_pdu(mvm, MAC_CONTEXT_CMD, CMD_SYNC, + sizeof(*cmd), cmd); + if (ret) + IWL_ERR(mvm, "Failed to send MAC context (action:%d): %d\n", + le32_to_cpu(cmd->action), ret); + return ret; +} + +/* + * Fill the specific data for mac context of type station or p2p client + */ +static void iwl_mvm_mac_ctxt_cmd_fill_sta(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct iwl_mac_data_sta *ctxt_sta) +{ + ctxt_sta->is_assoc = cpu_to_le32(vif->bss_conf.assoc ? 1 : 0); + + ctxt_sta->bi = cpu_to_le32(vif->bss_conf.beacon_int); + ctxt_sta->bi_reciprocal = + cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int)); + ctxt_sta->dtim_interval = cpu_to_le32(vif->bss_conf.beacon_int * + vif->bss_conf.dtim_period); + ctxt_sta->dtim_reciprocal = + cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int * + vif->bss_conf.dtim_period)); + + ctxt_sta->listen_interval = cpu_to_le32(mvm->hw->conf.listen_interval); + ctxt_sta->assoc_id = cpu_to_le32(vif->bss_conf.aid); +} + +static int iwl_mvm_mac_ctxt_cmd_station(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 action) +{ + struct iwl_mac_ctx_cmd cmd = {}; + + WARN_ON(vif->type != NL80211_IFTYPE_STATION || vif->p2p); + + /* Fill the common data for all mac context types */ + iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action); + + /* Fill the data specific for station mode */ + iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.sta); + + return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd); +} + +static int iwl_mvm_mac_ctxt_cmd_p2p_client(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 action) +{ + struct iwl_mac_ctx_cmd cmd = {}; + + WARN_ON(vif->type != NL80211_IFTYPE_STATION || !vif->p2p); + + /* Fill the common data for all mac context types */ + iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action); + + /* Fill the data specific for station mode */ + iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.p2p_sta.sta); + + cmd.p2p_sta.ctwin = cpu_to_le32(vif->bss_conf.p2p_ctwindow); + + return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd); +} + +static int iwl_mvm_mac_ctxt_cmd_listener(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 action) +{ + struct iwl_mac_ctx_cmd cmd = {}; + + WARN_ON(vif->type != NL80211_IFTYPE_MONITOR); + + iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action); + /* No other data to be filled */ + return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd); +} + +struct iwl_mvm_go_iterator_data { + bool go_active; +}; + +static void iwl_mvm_go_iterator(void *_data, u8 *mac, struct ieee80211_vif *vif) +{ + struct iwl_mvm_go_iterator_data *data = _data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + if (vif->type == NL80211_IFTYPE_AP && vif->p2p && mvmvif->ap_active) + data->go_active = true; +} + +static int iwl_mvm_mac_ctxt_cmd_p2p_device(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 action) +{ + struct iwl_mac_ctx_cmd cmd = {}; + struct iwl_mvm_go_iterator_data data = {}; + + WARN_ON(vif->type != NL80211_IFTYPE_P2P_DEVICE); + + iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action); + + cmd.protection_flags |= cpu_to_le32(MAC_PROT_FLG_TGG_PROTECT); + cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROMISC); + + /* + * This flag should be set to true when the P2P Device is + * discoverable and there is at least another active P2P GO. Settings + * this flag will allow the P2P Device to be discoverable on other + * channels in addition to its listen channel. + * Note that this flag should not be set in other cases as it opens the + * Rx filters on all MAC and increases the number of interrupts. + */ + ieee80211_iterate_active_interfaces_atomic( + mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL, + iwl_mvm_go_iterator, &data); + + cmd.p2p_dev.is_disc_extended = cpu_to_le32(data.go_active ? 1 : 0); + return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd); +} + +static void iwl_mvm_mac_ctxt_set_tim(struct iwl_mvm *mvm, + struct iwl_mac_beacon_cmd *beacon_cmd, + u8 *beacon, u32 frame_size) +{ + u32 tim_idx; + struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon; + + /* The index is relative to frame start but we start looking at the + * variable-length part of the beacon. */ + tim_idx = mgmt->u.beacon.variable - beacon; + + /* Parse variable-length elements of beacon to find WLAN_EID_TIM */ + while ((tim_idx < (frame_size - 2)) && + (beacon[tim_idx] != WLAN_EID_TIM)) + tim_idx += beacon[tim_idx+1] + 2; + + /* If TIM field was found, set variables */ + if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) { + beacon_cmd->tim_idx = cpu_to_le32(tim_idx); + beacon_cmd->tim_size = cpu_to_le32((u32)beacon[tim_idx+1]); + } else { + IWL_WARN(mvm, "Unable to find TIM Element in beacon\n"); + } +} + +static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct sk_buff *beacon) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_host_cmd cmd = { + .id = BEACON_TEMPLATE_CMD, + .flags = CMD_ASYNC, + }; + struct iwl_mac_beacon_cmd beacon_cmd = {}; + struct ieee80211_tx_info *info; + u32 beacon_skb_len; + u32 rate; + + if (WARN_ON(!beacon)) + return -EINVAL; + + beacon_skb_len = beacon->len; + + /* TODO: for now the beacon template id is set to be the mac context id. + * Might be better to handle it as another resource ... */ + beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id); + + /* Set up TX command fields */ + beacon_cmd.tx.len = cpu_to_le16((u16)beacon_skb_len); + beacon_cmd.tx.sta_id = mvmvif->bcast_sta.sta_id; + beacon_cmd.tx.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE); + beacon_cmd.tx.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL | + TX_CMD_FLG_BT_DIS | + TX_CMD_FLG_TSF); + + mvm->mgmt_last_antenna_idx = + iwl_mvm_next_antenna(mvm, mvm->nvm_data->valid_tx_ant, + mvm->mgmt_last_antenna_idx); + + beacon_cmd.tx.rate_n_flags = + cpu_to_le32(BIT(mvm->mgmt_last_antenna_idx) << + RATE_MCS_ANT_POS); + + info = IEEE80211_SKB_CB(beacon); + + if (info->band == IEEE80211_BAND_5GHZ || vif->p2p) { + rate = IWL_FIRST_OFDM_RATE; + } else { + rate = IWL_FIRST_CCK_RATE; + beacon_cmd.tx.rate_n_flags |= cpu_to_le32(RATE_MCS_CCK_MSK); + } + beacon_cmd.tx.rate_n_flags |= + cpu_to_le32(iwl_mvm_mac80211_idx_to_hwrate(rate)); + + /* Set up TX beacon command fields */ + iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd, + beacon->data, + beacon_skb_len); + + /* Submit command */ + cmd.len[0] = sizeof(beacon_cmd); + cmd.data[0] = &beacon_cmd; + cmd.dataflags[0] = 0; + cmd.len[1] = beacon_skb_len; + cmd.data[1] = beacon->data; + cmd.dataflags[1] = IWL_HCMD_DFL_DUP; + + return iwl_mvm_send_cmd(mvm, &cmd); +} + +/* The beacon template for the AP/GO context has changed and needs update */ +int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + struct sk_buff *beacon; + int ret; + + WARN_ON(vif->type != NL80211_IFTYPE_AP); + + beacon = ieee80211_beacon_get(mvm->hw, vif); + if (!beacon) + return -ENOMEM; + + ret = iwl_mvm_mac_ctxt_send_beacon(mvm, vif, beacon); + dev_kfree_skb(beacon); + return ret; +} + +/* + * Fill the specific data for mac context of type AP of P2P GO + */ +static void iwl_mvm_mac_ctxt_cmd_fill_ap(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct iwl_mac_data_ap *ctxt_ap) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + u32 curr_dev_time; + + ctxt_ap->bi = cpu_to_le32(vif->bss_conf.beacon_int); + ctxt_ap->bi_reciprocal = + cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int)); + ctxt_ap->dtim_interval = cpu_to_le32(vif->bss_conf.beacon_int * + vif->bss_conf.dtim_period); + ctxt_ap->dtim_reciprocal = + cpu_to_le32(iwl_mvm_reciprocal(vif->bss_conf.beacon_int * + vif->bss_conf.dtim_period)); + + ctxt_ap->mcast_qid = cpu_to_le32(vif->cab_queue); + curr_dev_time = iwl_read_prph(mvm->trans, DEVICE_SYSTEM_TIME_REG); + ctxt_ap->beacon_time = cpu_to_le32(curr_dev_time); + + ctxt_ap->beacon_tsf = cpu_to_le64(curr_dev_time); + + /* TODO: Assume that the beacon id == mac context id */ + ctxt_ap->beacon_template = cpu_to_le32(mvmvif->id); +} + +static int iwl_mvm_mac_ctxt_cmd_ap(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 action) +{ + struct iwl_mac_ctx_cmd cmd = {}; + + WARN_ON(vif->type != NL80211_IFTYPE_AP || vif->p2p); + + /* Fill the common data for all mac context types */ + iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action); + + /* Fill the data specific for ap mode */ + iwl_mvm_mac_ctxt_cmd_fill_ap(mvm, vif, &cmd.ap); + + return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd); +} + +static int iwl_mvm_mac_ctxt_cmd_go(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 action) +{ + struct iwl_mac_ctx_cmd cmd = {}; + + WARN_ON(vif->type != NL80211_IFTYPE_AP || !vif->p2p); + + /* Fill the common data for all mac context types */ + iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action); + + /* Fill the data specific for GO mode */ + iwl_mvm_mac_ctxt_cmd_fill_ap(mvm, vif, &cmd.go.ap); + + cmd.go.ctwin = cpu_to_le32(vif->bss_conf.p2p_ctwindow); + cmd.go.opp_ps_enabled = cpu_to_le32(!!vif->bss_conf.p2p_oppps); + + return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd); +} + +static int iwl_mvm_mac_ctx_send(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + u32 action) +{ + switch (vif->type) { + case NL80211_IFTYPE_STATION: + if (!vif->p2p) + return iwl_mvm_mac_ctxt_cmd_station(mvm, vif, + action); + else + return iwl_mvm_mac_ctxt_cmd_p2p_client(mvm, vif, + action); + break; + case NL80211_IFTYPE_AP: + if (!vif->p2p) + return iwl_mvm_mac_ctxt_cmd_ap(mvm, vif, action); + else + return iwl_mvm_mac_ctxt_cmd_go(mvm, vif, action); + break; + case NL80211_IFTYPE_MONITOR: + return iwl_mvm_mac_ctxt_cmd_listener(mvm, vif, action); + case NL80211_IFTYPE_P2P_DEVICE: + return iwl_mvm_mac_ctxt_cmd_p2p_device(mvm, vif, action); + default: + break; + } + + return -EOPNOTSUPP; +} + +int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + int ret; + + if (WARN_ONCE(mvmvif->uploaded, "Adding active MAC %pM/%d\n", + vif->addr, ieee80211_vif_type_p2p(vif))) + return -EIO; + + ret = iwl_mvm_mac_ctx_send(mvm, vif, FW_CTXT_ACTION_ADD); + if (ret) + return ret; + + mvmvif->uploaded = true; + return 0; +} + +int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + if (WARN_ONCE(!mvmvif->uploaded, "Changing inactive MAC %pM/%d\n", + vif->addr, ieee80211_vif_type_p2p(vif))) + return -EIO; + + return iwl_mvm_mac_ctx_send(mvm, vif, FW_CTXT_ACTION_MODIFY); +} + +int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mac_ctx_cmd cmd; + int ret; + + if (WARN_ONCE(!mvmvif->uploaded, "Removing inactive MAC %pM/%d\n", + vif->addr, ieee80211_vif_type_p2p(vif))) + return -EIO; + + memset(&cmd, 0, sizeof(cmd)); + + cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, + mvmvif->color)); + cmd.action = cpu_to_le32(FW_CTXT_ACTION_REMOVE); + + ret = iwl_mvm_send_cmd_pdu(mvm, MAC_CONTEXT_CMD, CMD_SYNC, + sizeof(cmd), &cmd); + if (ret) { + IWL_ERR(mvm, "Failed to remove MAC context: %d\n", ret); + return ret; + } + + mvmvif->uploaded = false; + return 0; +} diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c new file mode 100644 index 000000000000..a6b05a02cfd4 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -0,0 +1,1310 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/skbuff.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <net/mac80211.h> + +#include "iwl-op-mode.h" +#include "iwl-io.h" +#include "mvm.h" +#include "sta.h" +#include "time-event.h" +#include "iwl-eeprom-parse.h" +#include "fw-api-scan.h" +#include "iwl-phy-db.h" + +static const struct ieee80211_iface_limit iwl_mvm_limits[] = { + { + .max = 1, + .types = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP), + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO), + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_DEVICE), + }, +}; + +static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { + { + .num_different_channels = 1, + .max_interfaces = 3, + .limits = iwl_mvm_limits, + .n_limits = ARRAY_SIZE(iwl_mvm_limits), + }, +}; + +int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) +{ + struct ieee80211_hw *hw = mvm->hw; + int num_mac, ret; + + /* Tell mac80211 our characteristics */ + hw->flags = IEEE80211_HW_SIGNAL_DBM | + IEEE80211_HW_SPECTRUM_MGMT | + IEEE80211_HW_REPORTS_TX_ACK_STATUS | + IEEE80211_HW_QUEUE_CONTROL | + IEEE80211_HW_WANT_MONITOR_VIF | + IEEE80211_HW_SCAN_WHILE_IDLE | + IEEE80211_HW_NEED_DTIM_PERIOD | + IEEE80211_HW_SUPPORTS_PS | + IEEE80211_HW_SUPPORTS_DYNAMIC_PS | + IEEE80211_HW_AMPDU_AGGREGATION; + + hw->queues = IWL_FIRST_AMPDU_QUEUE; + hw->offchannel_tx_hw_queue = IWL_OFFCHANNEL_QUEUE; + hw->rate_control_algorithm = "iwl-mvm-rs"; + + /* + * Enable 11w if advertised by firmware and software crypto + * is not enabled (as the firmware will interpret some mgmt + * packets, so enabling it with software crypto isn't safe) + */ + if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP && + !iwlwifi_mod_params.sw_crypto) + hw->flags |= IEEE80211_HW_MFP_CAPABLE; + + hw->sta_data_size = sizeof(struct iwl_mvm_sta); + hw->vif_data_size = sizeof(struct iwl_mvm_vif); + hw->chanctx_data_size = sizeof(struct iwl_mvm_phy_ctxt); + + hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_P2P_DEVICE); + + hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | + WIPHY_FLAG_DISABLE_BEACON_HINTS | + WIPHY_FLAG_IBSS_RSN; + + hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; + hw->wiphy->n_iface_combinations = + ARRAY_SIZE(iwl_mvm_iface_combinations); + + hw->wiphy->max_remain_on_channel_duration = 500; + hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; + + /* Extract MAC address */ + memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); + hw->wiphy->addresses = mvm->addresses; + hw->wiphy->n_addresses = 1; + num_mac = mvm->nvm_data->n_hw_addrs; + if (num_mac > 1) { + memcpy(mvm->addresses[1].addr, mvm->addresses[0].addr, + ETH_ALEN); + mvm->addresses[1].addr[5]++; + hw->wiphy->n_addresses++; + } + + /* we create the 802.11 header and a max-length SSID element */ + hw->wiphy->max_scan_ie_len = + mvm->fw->ucode_capa.max_probe_length - 24 - 34; + hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; + + if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels) + hw->wiphy->bands[IEEE80211_BAND_2GHZ] = + &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ]; + if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels) + hw->wiphy->bands[IEEE80211_BAND_5GHZ] = + &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ]; + + hw->wiphy->hw_version = mvm->trans->hw_id; + + if (iwlwifi_mod_params.power_save) + hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; + else + hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; + + hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | + NL80211_FEATURE_P2P_GO_OPPPS; + + mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; + +#ifdef CONFIG_PM_SLEEP + if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len && + mvm->trans->ops->d3_suspend && + mvm->trans->ops->d3_resume && + device_can_wakeup(mvm->trans->dev)) { + hw->wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | + WIPHY_WOWLAN_DISCONNECT | + WIPHY_WOWLAN_EAP_IDENTITY_REQ | + WIPHY_WOWLAN_RFKILL_RELEASE; + if (!iwlwifi_mod_params.sw_crypto) + hw->wiphy->wowlan.flags |= + WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | + WIPHY_WOWLAN_GTK_REKEY_FAILURE | + WIPHY_WOWLAN_4WAY_HANDSHAKE; + + hw->wiphy->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; + hw->wiphy->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; + hw->wiphy->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; + } +#endif + + ret = iwl_mvm_leds_init(mvm); + if (ret) + return ret; + + return ieee80211_register_hw(mvm->hw); +} + +static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, + struct ieee80211_tx_control *control, + struct sk_buff *skb) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + if (test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status)) { + IWL_DEBUG_DROP(mvm, "Dropping - RF KILL\n"); + goto drop; + } + + if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_OFFCHANNEL_QUEUE && + !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status)) + goto drop; + + if (control->sta) { + if (iwl_mvm_tx_skb(mvm, skb, control->sta)) + goto drop; + return; + } + + if (iwl_mvm_tx_skb_non_sta(mvm, skb)) + goto drop; + return; + drop: + ieee80211_free_txskb(hw, skb); +} + +static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum ieee80211_ampdu_mlme_action action, + struct ieee80211_sta *sta, u16 tid, + u16 *ssn, u8 buf_size) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + int ret; + + IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", + sta->addr, tid, action); + + if (!(mvm->nvm_data->sku_cap_11n_enable)) + return -EACCES; + + mutex_lock(&mvm->mutex); + + switch (action) { + case IEEE80211_AMPDU_RX_START: + if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG) { + ret = -EINVAL; + break; + } + ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true); + break; + case IEEE80211_AMPDU_RX_STOP: + ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false); + break; + case IEEE80211_AMPDU_TX_START: + ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); + break; + case IEEE80211_AMPDU_TX_STOP_CONT: + case IEEE80211_AMPDU_TX_STOP_FLUSH: + case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: + ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); + break; + case IEEE80211_AMPDU_TX_OPERATIONAL: + ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size); + break; + default: + WARN_ON_ONCE(1); + ret = -EINVAL; + break; + } + mutex_unlock(&mvm->mutex); + + return ret; +} + +static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct iwl_mvm *mvm = data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + mvmvif->uploaded = false; + mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT; + + /* does this make sense at all? */ + mvmvif->color++; + + spin_lock_bh(&mvm->time_event_lock); + iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); + spin_unlock_bh(&mvm->time_event_lock); + + if (vif->type != NL80211_IFTYPE_P2P_DEVICE) + mvmvif->phy_ctxt = NULL; +} + +static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) +{ + iwl_trans_stop_device(mvm->trans); + iwl_trans_stop_hw(mvm->trans, false); + + mvm->scan_status = IWL_MVM_SCAN_NONE; + + /* just in case one was running */ + ieee80211_remain_on_channel_expired(mvm->hw); + + ieee80211_iterate_active_interfaces_atomic( + mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL, + iwl_mvm_cleanup_iterator, mvm); + + memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); + memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained)); + + ieee80211_wake_queues(mvm->hw); + + mvm->vif_count = 0; +} + +static int iwl_mvm_mac_start(struct ieee80211_hw *hw) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + int ret; + + mutex_lock(&mvm->mutex); + + /* Clean up some internal and mac80211 state on restart */ + if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) + iwl_mvm_restart_cleanup(mvm); + + ret = iwl_mvm_up(mvm); + mutex_unlock(&mvm->mutex); + + return ret; +} + +static void iwl_mvm_mac_restart_complete(struct ieee80211_hw *hw) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + int ret; + + mutex_lock(&mvm->mutex); + + clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); + ret = iwl_mvm_update_quotas(mvm, NULL); + if (ret) + IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", + ret); + + mutex_unlock(&mvm->mutex); +} + +static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + flush_work(&mvm->async_handlers_wk); + + mutex_lock(&mvm->mutex); + /* async_handlers_wk is now blocked */ + + /* + * The work item could be running or queued if the + * ROC time event stops just as we get here. + */ + cancel_work_sync(&mvm->roc_done_wk); + + iwl_trans_stop_device(mvm->trans); + iwl_trans_stop_hw(mvm->trans, false); + + iwl_mvm_async_handlers_purge(mvm); + /* async_handlers_list is empty and will stay empty: HW is stopped */ + + /* the fw is stopped, the aux sta is dead: clean up driver state */ + iwl_mvm_dealloc_int_sta(mvm, &mvm->aux_sta); + + mutex_unlock(&mvm->mutex); + + /* + * The worker might have been waiting for the mutex, let it run and + * discover that its list is now empty. + */ + cancel_work_sync(&mvm->async_handlers_wk); +} + +static void iwl_mvm_pm_disable_iterator(void *data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct iwl_mvm *mvm = data; + int ret; + + ret = iwl_mvm_power_disable(mvm, vif); + if (ret) + IWL_ERR(mvm, "failed to disable power management\n"); +} + +static void iwl_mvm_power_update_iterator(void *data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct iwl_mvm *mvm = data; + + iwl_mvm_power_update_mode(mvm, vif); +} + +static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + int ret; + + /* + * Not much to do here. The stack will not allow interface + * types or combinations that we didn't advertise, so we + * don't really have to check the types. + */ + + mutex_lock(&mvm->mutex); + + /* Allocate resources for the MAC context, and add it the the fw */ + ret = iwl_mvm_mac_ctxt_init(mvm, vif); + if (ret) + goto out_unlock; + + /* + * The AP binding flow can be done only after the beacon + * template is configured (which happens only in the mac80211 + * start_ap() flow), and adding the broadcast station can happen + * only after the binding. + * In addition, since modifying the MAC before adding a bcast + * station is not allowed by the FW, delay the adding of MAC context to + * the point where we can also add the bcast station. + * In short: there's not much we can do at this point, other than + * allocating resources :) + */ + if (vif->type == NL80211_IFTYPE_AP) { + u32 qmask = iwl_mvm_mac_get_queues_mask(mvm, vif); + ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->bcast_sta, + qmask); + if (ret) { + IWL_ERR(mvm, "Failed to allocate bcast sta\n"); + goto out_release; + } + + goto out_unlock; + } + + /* + * TODO: remove this temporary code. + * Currently MVM FW supports power management only on single MAC. + * Iterate and disable PM on all active interfaces. + * Note: the method below does not count the new interface being added + * at this moment. + */ + mvm->vif_count++; + if (mvm->vif_count > 1) { + IWL_DEBUG_MAC80211(mvm, + "Disable power on existing interfaces\n"); + ieee80211_iterate_active_interfaces( + mvm->hw, + IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_pm_disable_iterator, mvm); + } + + ret = iwl_mvm_mac_ctxt_add(mvm, vif); + if (ret) + goto out_release; + + /* + * Update power state on the new interface. Admittedly, based on + * mac80211 logics this power update will disable power management + */ + iwl_mvm_power_update_mode(mvm, vif); + + /* + * P2P_DEVICE interface does not have a channel context assigned to it, + * so a dedicated PHY context is allocated to it and the corresponding + * MAC context is bound to it at this stage. + */ + if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { + struct ieee80211_channel *chan; + struct cfg80211_chan_def chandef; + + mvmvif->phy_ctxt = &mvm->phy_ctxt_roc; + + /* + * The channel used here isn't relevant as it's + * going to be overwritten as part of the ROC flow. + * For now use the first channel we have. + */ + chan = &mvm->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels[0]; + cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT); + ret = iwl_mvm_phy_ctxt_add(mvm, mvmvif->phy_ctxt, + &chandef, 1, 1); + if (ret) + goto out_remove_mac; + + ret = iwl_mvm_binding_add_vif(mvm, vif); + if (ret) + goto out_remove_phy; + + ret = iwl_mvm_add_bcast_sta(mvm, vif, &mvmvif->bcast_sta); + if (ret) + goto out_unbind; + + /* Save a pointer to p2p device vif, so it can later be used to + * update the p2p device MAC when a GO is started/stopped */ + mvm->p2p_device_vif = vif; + } + + goto out_unlock; + + out_unbind: + iwl_mvm_binding_remove_vif(mvm, vif); + out_remove_phy: + iwl_mvm_phy_ctxt_remove(mvm, mvmvif->phy_ctxt); + out_remove_mac: + mvmvif->phy_ctxt = NULL; + iwl_mvm_mac_ctxt_remove(mvm, vif); + out_release: + /* + * TODO: remove this temporary code. + * Currently MVM FW supports power management only on single MAC. + * Check if only one additional interface remains after rereasing + * current one. Update power mode on the remaining interface. + */ + mvm->vif_count--; + IWL_DEBUG_MAC80211(mvm, "Currently %d interfaces active\n", + mvm->vif_count); + if (mvm->vif_count == 1) { + ieee80211_iterate_active_interfaces( + mvm->hw, IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_power_update_iterator, mvm); + } + iwl_mvm_mac_ctxt_release(mvm, vif); + out_unlock: + mutex_unlock(&mvm->mutex); + + return ret; +} + +static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + u32 tfd_msk = 0, ac; + + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) + if (vif->hw_queue[ac] != IEEE80211_INVAL_HW_QUEUE) + tfd_msk |= BIT(vif->hw_queue[ac]); + + if (vif->cab_queue != IEEE80211_INVAL_HW_QUEUE) + tfd_msk |= BIT(vif->cab_queue); + + if (tfd_msk) { + mutex_lock(&mvm->mutex); + iwl_mvm_flush_tx_path(mvm, tfd_msk, true); + mutex_unlock(&mvm->mutex); + } + + if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { + /* + * Flush the ROC worker which will flush the OFFCHANNEL queue. + * We assume here that all the packets sent to the OFFCHANNEL + * queue are sent in ROC session. + */ + flush_work(&mvm->roc_done_wk); + } else { + /* + * By now, all the AC queues are empty. The AGG queues are + * empty too. We already got all the Tx responses for all the + * packets in the queues. The drain work can have been + * triggered. Flush it. This work item takes the mutex, so kill + * it before we take it. + */ + flush_work(&mvm->sta_drained_wk); + } + + mutex_lock(&mvm->mutex); + + /* + * For AP/GO interface, the tear down of the resources allocated to the + * interface should be handled as part of the bss_info_changed flow. + */ + if (vif->type == NL80211_IFTYPE_AP) { + iwl_mvm_dealloc_int_sta(mvm, &mvmvif->bcast_sta); + goto out_release; + } + + if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { + mvm->p2p_device_vif = NULL; + iwl_mvm_rm_bcast_sta(mvm, &mvmvif->bcast_sta); + iwl_mvm_binding_remove_vif(mvm, vif); + iwl_mvm_phy_ctxt_remove(mvm, mvmvif->phy_ctxt); + mvmvif->phy_ctxt = NULL; + } + + /* + * TODO: remove this temporary code. + * Currently MVM FW supports power management only on single MAC. + * Check if only one additional interface remains after removing + * current one. Update power mode on the remaining interface. + */ + if (mvm->vif_count) + mvm->vif_count--; + IWL_DEBUG_MAC80211(mvm, "Currently %d interfaces active\n", + mvm->vif_count); + if (mvm->vif_count == 1) { + ieee80211_iterate_active_interfaces( + mvm->hw, IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_power_update_iterator, mvm); + } + + iwl_mvm_mac_ctxt_remove(mvm, vif); + +out_release: + iwl_mvm_mac_ctxt_release(mvm, vif); + mutex_unlock(&mvm->mutex); +} + +static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed) +{ + return 0; +} + +static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, + unsigned int changed_flags, + unsigned int *total_flags, + u64 multicast) +{ + *total_flags = 0; +} + +static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *bss_conf, + u32 changes) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + int ret; + + ret = iwl_mvm_mac_ctxt_changed(mvm, vif); + if (ret) + IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); + + if (changes & BSS_CHANGED_ASSOC) { + if (bss_conf->assoc) { + /* add quota for this interface */ + ret = iwl_mvm_update_quotas(mvm, vif); + if (ret) { + IWL_ERR(mvm, "failed to update quotas\n"); + return; + } + iwl_mvm_remove_time_event(mvm, mvmvif, + &mvmvif->time_event_data); + } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) { + /* remove AP station now that the MAC is unassoc */ + ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id); + if (ret) + IWL_ERR(mvm, "failed to remove AP station\n"); + mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT; + /* remove quota for this interface */ + ret = iwl_mvm_update_quotas(mvm, NULL); + if (ret) + IWL_ERR(mvm, "failed to update quotas\n"); + } + } else if (changes & BSS_CHANGED_PS) { + /* + * TODO: remove this temporary code. + * Currently MVM FW supports power management only on single + * MAC. Avoid power mode update if more than one interface + * is active. + */ + IWL_DEBUG_MAC80211(mvm, "Currently %d interfaces active\n", + mvm->vif_count); + if (mvm->vif_count == 1) { + ret = iwl_mvm_power_update_mode(mvm, vif); + if (ret) + IWL_ERR(mvm, "failed to update power mode\n"); + } + } +} + +static int iwl_mvm_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + int ret; + + mutex_lock(&mvm->mutex); + + /* Send the beacon template */ + ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif); + if (ret) + goto out_unlock; + + /* Add the mac context */ + ret = iwl_mvm_mac_ctxt_add(mvm, vif); + if (ret) + goto out_unlock; + + /* Perform the binding */ + ret = iwl_mvm_binding_add_vif(mvm, vif); + if (ret) + goto out_remove; + + mvmvif->ap_active = true; + + /* Send the bcast station. At this stage the TBTT and DTIM time events + * are added and applied to the scheduler */ + ret = iwl_mvm_send_bcast_sta(mvm, vif, &mvmvif->bcast_sta); + if (ret) + goto out_unbind; + + ret = iwl_mvm_update_quotas(mvm, vif); + if (ret) + goto out_rm_bcast; + + /* Need to update the P2P Device MAC */ + if (vif->p2p && mvm->p2p_device_vif) + iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif); + + mutex_unlock(&mvm->mutex); + return 0; + +out_rm_bcast: + iwl_mvm_send_rm_bcast_sta(mvm, &mvmvif->bcast_sta); +out_unbind: + iwl_mvm_binding_remove_vif(mvm, vif); +out_remove: + iwl_mvm_mac_ctxt_remove(mvm, vif); +out_unlock: + mutex_unlock(&mvm->mutex); + return ret; +} + +static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + mutex_lock(&mvm->mutex); + + mvmvif->ap_active = false; + + /* Need to update the P2P Device MAC */ + if (vif->p2p && mvm->p2p_device_vif) + iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif); + + iwl_mvm_update_quotas(mvm, NULL); + iwl_mvm_send_rm_bcast_sta(mvm, &mvmvif->bcast_sta); + iwl_mvm_binding_remove_vif(mvm, vif); + iwl_mvm_mac_ctxt_remove(mvm, vif); + + mutex_unlock(&mvm->mutex); +} + +static void iwl_mvm_bss_info_changed_ap(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *bss_conf, + u32 changes) +{ + /* Need to send a new beacon template to the FW */ + if (changes & BSS_CHANGED_BEACON) { + if (iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) + IWL_WARN(mvm, "Failed updating beacon data\n"); + } +} + +static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *bss_conf, + u32 changes) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + mutex_lock(&mvm->mutex); + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); + break; + case NL80211_IFTYPE_AP: + iwl_mvm_bss_info_changed_ap(mvm, vif, bss_conf, changes); + break; + default: + /* shouldn't happen */ + WARN_ON_ONCE(1); + } + + mutex_unlock(&mvm->mutex); +} + +static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct cfg80211_scan_request *req) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + int ret; + + if (req->n_channels == 0 || req->n_channels > MAX_NUM_SCAN_CHANNELS) + return -EINVAL; + + mutex_lock(&mvm->mutex); + + if (mvm->scan_status == IWL_MVM_SCAN_NONE) + ret = iwl_mvm_scan_request(mvm, vif, req); + else + ret = -EBUSY; + + mutex_unlock(&mvm->mutex); + + return ret; +} + +static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + mutex_lock(&mvm->mutex); + + iwl_mvm_cancel_scan(mvm); + + mutex_unlock(&mvm->mutex); +} + +static void +iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, + struct ieee80211_sta *sta, u16 tid, + int num_frames, + enum ieee80211_frame_release_type reason, + bool more_data) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_sta *mvmsta = (void *)sta->drv_priv; + + /* TODO: how do we tell the fw to send frames for a specific TID */ + + /* + * The fw will send EOSP notification when the last frame will be + * transmitted. + */ + iwl_mvm_sta_modify_sleep_tx_count(mvm, mvmsta->sta_id, reason, + num_frames); +} + +static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum sta_notify_cmd cmd, + struct ieee80211_sta *sta) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_sta *mvmsta = (void *)sta->drv_priv; + + switch (cmd) { + case STA_NOTIFY_SLEEP: + if (atomic_read(&mvmsta->pending_frames) > 0) + ieee80211_sta_block_awake(hw, sta, true); + /* + * The fw updates the STA to be asleep. Tx packets on the Tx + * queues to this station will not be transmitted. The fw will + * send a Tx response with TX_STATUS_FAIL_DEST_PS. + */ + break; + case STA_NOTIFY_AWAKE: + if (WARN_ON(mvmsta->sta_id == IWL_INVALID_STATION)) + break; + iwl_mvm_sta_modify_ps_wake(mvm, mvmsta->sta_id); + break; + default: + break; + } +} + +static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + enum ieee80211_sta_state old_state, + enum ieee80211_sta_state new_state) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + int ret; + + IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", + sta->addr, old_state, new_state); + + /* this would be a mac80211 bug ... but don't crash */ + if (WARN_ON_ONCE(!mvmvif->phy_ctxt)) + return -EINVAL; + + /* if a STA is being removed, reuse its ID */ + flush_work(&mvm->sta_drained_wk); + + mutex_lock(&mvm->mutex); + if (old_state == IEEE80211_STA_NOTEXIST && + new_state == IEEE80211_STA_NONE) { + ret = iwl_mvm_add_sta(mvm, vif, sta); + } else if (old_state == IEEE80211_STA_NONE && + new_state == IEEE80211_STA_AUTH) { + ret = 0; + } else if (old_state == IEEE80211_STA_AUTH && + new_state == IEEE80211_STA_ASSOC) { + iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band); + ret = 0; + } else if (old_state == IEEE80211_STA_ASSOC && + new_state == IEEE80211_STA_AUTHORIZED) { + ret = 0; + } else if (old_state == IEEE80211_STA_AUTHORIZED && + new_state == IEEE80211_STA_ASSOC) { + ret = 0; + } else if (old_state == IEEE80211_STA_ASSOC && + new_state == IEEE80211_STA_AUTH) { + ret = 0; + } else if (old_state == IEEE80211_STA_AUTH && + new_state == IEEE80211_STA_NONE) { + ret = 0; + } else if (old_state == IEEE80211_STA_NONE && + new_state == IEEE80211_STA_NOTEXIST) { + ret = iwl_mvm_rm_sta(mvm, vif, sta); + } else { + ret = -EIO; + } + mutex_unlock(&mvm->mutex); + + return ret; +} + +static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + mvm->rts_threshold = value; + + return 0; +} + +static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, u16 ac, + const struct ieee80211_tx_queue_params *params) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + mvmvif->queue_params[ac] = *params; + + /* + * No need to update right away, we'll get BSS_CHANGED_QOS + * The exception is P2P_DEVICE interface which needs immediate update. + */ + if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { + int ret; + + mutex_lock(&mvm->mutex); + ret = iwl_mvm_mac_ctxt_changed(mvm, vif); + mutex_unlock(&mvm->mutex); + return ret; + } + return 0; +} + +static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS, + 200 + vif->bss_conf.beacon_int); + u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS, + 100 + vif->bss_conf.beacon_int); + + if (WARN_ON_ONCE(vif->bss_conf.assoc)) + return; + + mutex_lock(&mvm->mutex); + /* Try really hard to protect the session and hear a beacon */ + iwl_mvm_protect_session(mvm, vif, duration, min_duration); + mutex_unlock(&mvm->mutex); +} + +static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, + enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + int ret; + + if (iwlwifi_mod_params.sw_crypto) { + IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n"); + return -EOPNOTSUPP; + } + + switch (key->cipher) { + case WLAN_CIPHER_SUITE_TKIP: + key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; + /* fall-through */ + case WLAN_CIPHER_SUITE_CCMP: + key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; + break; + case WLAN_CIPHER_SUITE_AES_CMAC: + WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE)); + break; + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + /* + * Support for TX only, at least for now, so accept + * the key and do nothing else. Then mac80211 will + * pass it for TX but we don't have to use it for RX. + */ + return 0; + default: + return -EOPNOTSUPP; + } + + mutex_lock(&mvm->mutex); + + switch (cmd) { + case SET_KEY: + IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); + ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false); + if (ret) { + IWL_WARN(mvm, "set key failed\n"); + /* + * can't add key for RX, but we don't need it + * in the device for TX so still return 0 + */ + ret = 0; + } + + break; + case DISABLE_KEY: + IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); + ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); + break; + default: + ret = -EINVAL; + } + + mutex_unlock(&mvm->mutex); + return ret; +} + +static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_key_conf *keyconf, + struct ieee80211_sta *sta, + u32 iv32, u16 *phase1key) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); +} + + +static int iwl_mvm_roc(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_channel *channel, + int duration) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct cfg80211_chan_def chandef; + int ret; + + if (vif->type != NL80211_IFTYPE_P2P_DEVICE) { + IWL_ERR(mvm, "vif isn't a P2P_DEVICE: %d\n", vif->type); + return -EINVAL; + } + + IWL_DEBUG_MAC80211(mvm, "enter (%d, %d)\n", channel->hw_value, + duration); + + mutex_lock(&mvm->mutex); + + cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); + ret = iwl_mvm_phy_ctxt_changed(mvm, &mvm->phy_ctxt_roc, + &chandef, 1, 1); + + /* Schedule the time events */ + ret = iwl_mvm_start_p2p_roc(mvm, vif, duration); + + mutex_unlock(&mvm->mutex); + IWL_DEBUG_MAC80211(mvm, "leave\n"); + + return ret; +} + +static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + IWL_DEBUG_MAC80211(mvm, "enter\n"); + + mutex_lock(&mvm->mutex); + iwl_mvm_stop_p2p_roc(mvm); + mutex_unlock(&mvm->mutex); + + IWL_DEBUG_MAC80211(mvm, "leave\n"); + return 0; +} + +static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, + struct ieee80211_chanctx_conf *ctx) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_phy_ctxt *phy_ctxt = (void *)ctx->drv_priv; + int ret; + + mutex_lock(&mvm->mutex); + + IWL_DEBUG_MAC80211(mvm, "Add PHY context\n"); + ret = iwl_mvm_phy_ctxt_add(mvm, phy_ctxt, &ctx->def, + ctx->rx_chains_static, + ctx->rx_chains_dynamic); + mutex_unlock(&mvm->mutex); + return ret; +} + +static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, + struct ieee80211_chanctx_conf *ctx) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_phy_ctxt *phy_ctxt = (void *)ctx->drv_priv; + + mutex_lock(&mvm->mutex); + iwl_mvm_phy_ctxt_remove(mvm, phy_ctxt); + mutex_unlock(&mvm->mutex); +} + +static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, + struct ieee80211_chanctx_conf *ctx, + u32 changed) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_phy_ctxt *phy_ctxt = (void *)ctx->drv_priv; + + mutex_lock(&mvm->mutex); + iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->def, + ctx->rx_chains_static, + ctx->rx_chains_dynamic); + mutex_unlock(&mvm->mutex); +} + +static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_chanctx_conf *ctx) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_phy_ctxt *phyctx = (void *)ctx->drv_priv; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + int ret; + + mutex_lock(&mvm->mutex); + + mvmvif->phy_ctxt = phyctx; + + switch (vif->type) { + case NL80211_IFTYPE_AP: + /* + * The AP binding flow is handled as part of the start_ap flow + * (in bss_info_changed). + */ + ret = 0; + goto out_unlock; + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_MONITOR: + break; + default: + ret = -EINVAL; + goto out_unlock; + } + + ret = iwl_mvm_binding_add_vif(mvm, vif); + if (ret) + goto out_unlock; + + /* + * Setting the quota at this stage is only required for monitor + * interfaces. For the other types, the bss_info changed flow + * will handle quota settings. + */ + if (vif->type == NL80211_IFTYPE_MONITOR) { + ret = iwl_mvm_update_quotas(mvm, vif); + if (ret) + goto out_remove_binding; + } + + goto out_unlock; + + out_remove_binding: + iwl_mvm_binding_remove_vif(mvm, vif); + out_unlock: + mutex_unlock(&mvm->mutex); + if (ret) + mvmvif->phy_ctxt = NULL; + return ret; +} + +static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_chanctx_conf *ctx) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + mutex_lock(&mvm->mutex); + + iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); + + if (vif->type == NL80211_IFTYPE_AP) + goto out_unlock; + + iwl_mvm_binding_remove_vif(mvm, vif); + switch (vif->type) { + case NL80211_IFTYPE_MONITOR: + iwl_mvm_update_quotas(mvm, vif); + break; + default: + break; + } + +out_unlock: + mvmvif->phy_ctxt = NULL; + mutex_unlock(&mvm->mutex); +} + +static int iwl_mvm_set_tim(struct ieee80211_hw *hw, + struct ieee80211_sta *sta, + bool set) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv; + + if (!mvm_sta || !mvm_sta->vif) { + IWL_ERR(mvm, "Station is not associated to a vif\n"); + return -EINVAL; + } + + return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif); +} + +struct ieee80211_ops iwl_mvm_hw_ops = { + .tx = iwl_mvm_mac_tx, + .ampdu_action = iwl_mvm_mac_ampdu_action, + .start = iwl_mvm_mac_start, + .restart_complete = iwl_mvm_mac_restart_complete, + .stop = iwl_mvm_mac_stop, + .add_interface = iwl_mvm_mac_add_interface, + .remove_interface = iwl_mvm_mac_remove_interface, + .config = iwl_mvm_mac_config, + .configure_filter = iwl_mvm_configure_filter, + .bss_info_changed = iwl_mvm_bss_info_changed, + .hw_scan = iwl_mvm_mac_hw_scan, + .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, + .sta_state = iwl_mvm_mac_sta_state, + .sta_notify = iwl_mvm_mac_sta_notify, + .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, + .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, + .conf_tx = iwl_mvm_mac_conf_tx, + .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, + .set_key = iwl_mvm_mac_set_key, + .update_tkip_key = iwl_mvm_mac_update_tkip_key, + .remain_on_channel = iwl_mvm_roc, + .cancel_remain_on_channel = iwl_mvm_cancel_roc, + + .add_chanctx = iwl_mvm_add_chanctx, + .remove_chanctx = iwl_mvm_remove_chanctx, + .change_chanctx = iwl_mvm_change_chanctx, + .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, + .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, + + .start_ap = iwl_mvm_start_ap, + .stop_ap = iwl_mvm_stop_ap, + + .set_tim = iwl_mvm_set_tim, + +#ifdef CONFIG_PM_SLEEP + /* look at d3.c */ + .suspend = iwl_mvm_suspend, + .resume = iwl_mvm_resume, + .set_wakeup = iwl_mvm_set_wakeup, + .set_rekey_data = iwl_mvm_set_rekey_data, +#if IS_ENABLED(CONFIG_IPV6) + .ipv6_addr_change = iwl_mvm_ipv6_addr_change, +#endif + .set_default_unicast_key = iwl_mvm_set_default_unicast_key, +#endif +}; diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h new file mode 100644 index 000000000000..4e339ccfa800 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -0,0 +1,500 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#ifndef __IWL_MVM_H__ +#define __IWL_MVM_H__ + +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/leds.h> +#include <linux/in6.h> + +#include "iwl-op-mode.h" +#include "iwl-trans.h" +#include "iwl-notif-wait.h" +#include "iwl-eeprom-parse.h" +#include "iwl-test.h" +#include "iwl-trans.h" +#include "sta.h" +#include "fw-api.h" + +#define IWL_INVALID_MAC80211_QUEUE 0xff +#define IWL_MVM_MAX_ADDRESSES 2 +#define IWL_RSSI_OFFSET 44 + +enum iwl_mvm_tx_fifo { + IWL_MVM_TX_FIFO_BK = 0, + IWL_MVM_TX_FIFO_BE, + IWL_MVM_TX_FIFO_VI, + IWL_MVM_TX_FIFO_VO, +}; + +/* Placeholder */ +#define IWL_OFFCHANNEL_QUEUE 8 +#define IWL_FIRST_AMPDU_QUEUE 11 + +extern struct ieee80211_ops iwl_mvm_hw_ops; +/** + * struct iwl_mvm_mod_params - module parameters for iwlmvm + * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted. + * We will register to mac80211 to have testmode working. The NIC must not + * be up'ed after the INIT fw asserted. This is useful to be able to use + * proprietary tools over testmode to debug the INIT fw. + * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power + * Save)-2(default), LP(Low Power)-3 + */ +struct iwl_mvm_mod_params { + bool init_dbg; + int power_scheme; +}; +extern struct iwl_mvm_mod_params iwlmvm_mod_params; + +struct iwl_mvm_phy_ctxt { + u16 id; + u16 color; + + /* + * TODO: This should probably be removed. Currently here only for rate + * scaling algorithm + */ + struct ieee80211_channel *channel; +}; + +struct iwl_mvm_time_event_data { + struct ieee80211_vif *vif; + struct list_head list; + unsigned long end_jiffies; + u32 duration; + bool running; + u32 uid; + + /* + * The access to the 'id' field must be done when the + * mvm->time_event_lock is held, as it value is used to indicate + * if the te is in the time event list or not (when id == TE_MAX) + */ + u32 id; +}; + + /* Power management */ + +/** + * enum iwl_power_scheme + * @IWL_POWER_LEVEL_CAM - Continuously Active Mode + * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default) + * @IWL_POWER_LEVEL_LP - Low Power + */ +enum iwl_power_scheme { + IWL_POWER_SCHEME_CAM = 1, + IWL_POWER_SCHEME_BPS, + IWL_POWER_SCHEME_LP +}; + +#define IWL_CONN_MAX_LISTEN_INTERVAL 70 + +/** + * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context + * @id: between 0 and 3 + * @color: to solve races upon MAC addition and removal + * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA + * @uploaded: indicates the MAC context has been added to the device + * @ap_active: indicates that ap context is configured, and that the interface + * should get quota etc. + * @queue_params: QoS params for this MAC + * @bcast_sta: station used for broadcast packets. Used by the following + * vifs: P2P_DEVICE, GO and AP. + * @beacon_skb: the skb used to hold the AP/GO beacon template + */ +struct iwl_mvm_vif { + u16 id; + u16 color; + u8 ap_sta_id; + + bool uploaded; + bool ap_active; + + enum iwl_tsf_id tsf_id; + + /* + * QoS data from mac80211, need to store this here + * as mac80211 has a separate callback but we need + * to have the data for the MAC context + */ + struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS]; + struct iwl_mvm_time_event_data time_event_data; + + struct iwl_mvm_int_sta bcast_sta; + + /* + * Assigned while mac80211 has the interface in a channel context, + * or, for P2P Device, while it exists. + */ + struct iwl_mvm_phy_ctxt *phy_ctxt; + +#ifdef CONFIG_PM_SLEEP + /* WoWLAN GTK rekey data */ + struct { + u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN]; + __le64 replay_ctr; + bool valid; + } rekey_data; + + int tx_key_idx; + +#if IS_ENABLED(CONFIG_IPV6) + /* IPv6 addresses for WoWLAN */ + struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS]; + int num_target_ipv6_addrs; +#endif +#endif + +#ifdef CONFIG_IWLWIFI_DEBUGFS + struct dentry *dbgfs_dir; + void *dbgfs_data; +#endif +}; + +static inline struct iwl_mvm_vif * +iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif) +{ + return (void *)vif->drv_priv; +} + +enum iwl_mvm_status { + IWL_MVM_STATUS_HW_RFKILL, + IWL_MVM_STATUS_ROC_RUNNING, + IWL_MVM_STATUS_IN_HW_RESTART, +}; + +enum iwl_scan_status { + IWL_MVM_SCAN_NONE, + IWL_MVM_SCAN_OS, +}; + +/** + * struct iwl_nvm_section - describes an NVM section in memory. + * + * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD, + * and saved for later use by the driver. Not all NVM sections are saved + * this way, only the needed ones. + */ +struct iwl_nvm_section { + u16 length; + const u8 *data; +}; + +struct iwl_mvm { + /* for logger access */ + struct device *dev; + + struct iwl_trans *trans; + const struct iwl_fw *fw; + const struct iwl_cfg *cfg; + struct iwl_phy_db *phy_db; + struct ieee80211_hw *hw; + + /* for protecting access to iwl_mvm */ + struct mutex mutex; + struct list_head async_handlers_list; + spinlock_t async_handlers_lock; + struct work_struct async_handlers_wk; + + struct work_struct roc_done_wk; + + unsigned long status; + + enum iwl_ucode_type cur_ucode; + bool ucode_loaded; + bool init_ucode_run; + u32 error_event_table; + u32 log_event_table; + + u32 ampdu_ref; + + struct iwl_notif_wait_data notif_wait; + + unsigned long transport_queue_stop; + u8 queue_to_mac80211[IWL_MAX_HW_QUEUES]; + atomic_t queue_stop_count[IWL_MAX_HW_QUEUES]; + + struct iwl_nvm_data *nvm_data; + /* eeprom blob for debugfs/testmode */ + u8 *eeprom_blob; + size_t eeprom_blob_size; + /* NVM sections for 7000 family */ + struct iwl_nvm_section nvm_sections[NVM_NUM_OF_SECTIONS]; + + /* EEPROM MAC addresses */ + struct mac_address addresses[IWL_MVM_MAX_ADDRESSES]; + + /* data related to data path */ + struct iwl_rx_phy_info last_phy_info; + struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT]; + struct work_struct sta_drained_wk; + unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)]; + + /* configured by mac80211 */ + u32 rts_threshold; + + /* Scan status, cmd (pre-allocated) and auxiliary station */ + enum iwl_scan_status scan_status; + struct iwl_scan_cmd *scan_cmd; + + /* Internal station */ + struct iwl_mvm_int_sta aux_sta; + + u8 scan_last_antenna_idx; /* to toggle TX between antennas */ + u8 mgmt_last_antenna_idx; + +#ifdef CONFIG_IWLWIFI_DEBUGFS + struct dentry *debugfs_dir; + u32 dbgfs_sram_offset, dbgfs_sram_len; + bool prevent_power_down_d3; +#endif + + struct iwl_mvm_phy_ctxt phy_ctxt_roc; + + struct list_head time_event_list; + spinlock_t time_event_lock; + + /* + * A bitmap indicating the index of the key in use. The firmware + * can hold 16 keys at most. Reflect this fact. + */ + unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)]; + u8 vif_count; + + struct led_classdev led; + + struct ieee80211_vif *p2p_device_vif; +}; + +/* Extract MVM priv from op_mode and _hw */ +#define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \ + ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific) + +#define IWL_MAC80211_GET_MVM(_hw) \ + IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv)) + +extern const u8 iwl_mvm_ac_to_tx_fifo[]; + +struct iwl_rate_info { + u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */ + u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */ + u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */ + u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */ + u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */ +}; + +/****************** + * MVM Methods + ******************/ +/* uCode */ +int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm); + +/* Utils */ +int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags, + enum ieee80211_band band); +u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx); +void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm); +u8 first_antenna(u8 mask); +u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx); + +/* Tx / Host Commands */ +int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm, + struct iwl_host_cmd *cmd); +int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id, + u32 flags, u16 len, const void *data); +int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, + struct iwl_host_cmd *cmd, + u32 *status); +int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id, + u16 len, const void *data, + u32 *status); +int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, + struct ieee80211_sta *sta); +int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb); +#ifdef CONFIG_IWLWIFI_DEBUG +const char *iwl_mvm_get_tx_fail_reason(u32 status); +#else +static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; } +#endif +int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync); +void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm); + +/* Statistics */ +int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); +int iwl_mvm_rx_statistics(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); + +/* NVM */ +int iwl_nvm_init(struct iwl_mvm *mvm); + +int iwl_mvm_up(struct iwl_mvm *mvm); +int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm); + +int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm); + +/* + * FW notifications / CMD responses handlers + * Convention: iwl_mvm_rx_<NAME OF THE CMD> + */ +int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); +int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); +int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); +int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); +int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); +int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); +int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); +int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); + +/* MVM PHY */ +int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, + struct cfg80211_chan_def *chandef, + u8 chains_static, u8 chains_dynamic); +int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, + struct cfg80211_chan_def *chandef, + u8 chains_static, u8 chains_dynamic); +void iwl_mvm_phy_ctxt_remove(struct iwl_mvm *mvm, + struct iwl_mvm_phy_ctxt *ctxt); + +/* MAC (virtual interface) programming */ +int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif); +void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif); +int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif); +int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif); +int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif); +u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm, + struct ieee80211_vif *vif); +int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm, + struct ieee80211_vif *vif); + +/* Bindings */ +int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); +int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); + +/* Quota management */ +int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif); + +/* Scanning */ +int iwl_mvm_scan_request(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct cfg80211_scan_request *req); +int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); +int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); +void iwl_mvm_cancel_scan(struct iwl_mvm *mvm); + +/* MVM debugfs */ +#ifdef CONFIG_IWLWIFI_DEBUGFS +int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir); +int iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct dentry *dbgfs_dir); +void iwl_power_get_params(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_powertable_cmd *cmd); +#else +static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, + struct dentry *dbgfs_dir) +{ + return 0; +} +#endif /* CONFIG_IWLWIFI_DEBUGFS */ + +/* rate scaling */ +int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, + u8 flags, bool init); + +/* power managment */ +int iwl_mvm_power_update_mode(struct iwl_mvm *mvm, struct ieee80211_vif *vif); +int iwl_mvm_power_disable(struct iwl_mvm *mvm, struct ieee80211_vif *vif); + +int iwl_mvm_leds_init(struct iwl_mvm *mvm); +void iwl_mvm_leds_exit(struct iwl_mvm *mvm); + +/* D3 (WoWLAN, NetDetect) */ +int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan); +int iwl_mvm_resume(struct ieee80211_hw *hw); +void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled); +void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct cfg80211_gtk_rekey_data *data); +void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct inet6_dev *idev); +void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, int idx); + +#endif /* __IWL_MVM_H__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/nvm.c b/drivers/net/wireless/iwlwifi/mvm/nvm.c new file mode 100644 index 000000000000..20016bcbdeab --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/nvm.c @@ -0,0 +1,311 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#include "iwl-trans.h" +#include "mvm.h" +#include "iwl-eeprom-parse.h" +#include "iwl-eeprom-read.h" +#include "iwl-nvm-parse.h" + +/* list of NVM sections we are allowed/need to read */ +static const int nvm_to_read[] = { + NVM_SECTION_TYPE_HW, + NVM_SECTION_TYPE_SW, + NVM_SECTION_TYPE_CALIBRATION, + NVM_SECTION_TYPE_PRODUCTION, +}; + +/* used to simplify the shared operations on NCM_ACCESS_CMD versions */ +union iwl_nvm_access_cmd { + struct iwl_nvm_access_cmd_ver1 ver1; + struct iwl_nvm_access_cmd_ver2 ver2; +}; +union iwl_nvm_access_resp { + struct iwl_nvm_access_resp_ver1 ver1; + struct iwl_nvm_access_resp_ver2 ver2; +}; + +static inline void iwl_nvm_fill_read_ver1(struct iwl_nvm_access_cmd_ver1 *cmd, + u16 offset, u16 length) +{ + cmd->offset = cpu_to_le16(offset); + cmd->length = cpu_to_le16(length); + cmd->cache_refresh = 1; +} + +static inline void iwl_nvm_fill_read_ver2(struct iwl_nvm_access_cmd_ver2 *cmd, + u16 offset, u16 length, u16 section) +{ + cmd->offset = cpu_to_le16(offset); + cmd->length = cpu_to_le16(length); + cmd->type = cpu_to_le16(section); +} + +static int iwl_nvm_read_chunk(struct iwl_mvm *mvm, u16 section, + u16 offset, u16 length, u8 *data) +{ + union iwl_nvm_access_cmd nvm_access_cmd; + union iwl_nvm_access_resp *nvm_resp; + struct iwl_rx_packet *pkt; + struct iwl_host_cmd cmd = { + .id = NVM_ACCESS_CMD, + .flags = CMD_SYNC | CMD_WANT_SKB, + .data = { &nvm_access_cmd, }, + }; + int ret, bytes_read, offset_read; + u8 *resp_data; + + memset(&nvm_access_cmd, 0, sizeof(nvm_access_cmd)); + + /* TODO: not sure family should be the decider, maybe FW version? */ + if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) { + iwl_nvm_fill_read_ver2(&(nvm_access_cmd.ver2), + offset, length, section); + cmd.len[0] = sizeof(struct iwl_nvm_access_cmd_ver2); + } else { + iwl_nvm_fill_read_ver1(&(nvm_access_cmd.ver1), + offset, length); + cmd.len[0] = sizeof(struct iwl_nvm_access_cmd_ver1); + } + + ret = iwl_mvm_send_cmd(mvm, &cmd); + if (ret) + return ret; + + pkt = cmd.resp_pkt; + if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { + IWL_ERR(mvm, "Bad return from NVM_ACCES_COMMAND (0x%08X)\n", + pkt->hdr.flags); + ret = -EIO; + goto exit; + } + + /* Extract NVM response */ + nvm_resp = (void *)pkt->data; + if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) { + ret = le16_to_cpu(nvm_resp->ver2.status); + bytes_read = le16_to_cpu(nvm_resp->ver2.length); + offset_read = le16_to_cpu(nvm_resp->ver2.offset); + resp_data = nvm_resp->ver2.data; + } else { + ret = le16_to_cpu(nvm_resp->ver1.length) <= 0; + bytes_read = le16_to_cpu(nvm_resp->ver1.length); + offset_read = le16_to_cpu(nvm_resp->ver1.offset); + resp_data = nvm_resp->ver1.data; + } + if (ret) { + IWL_ERR(mvm, + "NVM access command failed with status %d (device: %s)\n", + ret, mvm->cfg->name); + ret = -EINVAL; + goto exit; + } + + if (offset_read != offset) { + IWL_ERR(mvm, "NVM ACCESS response with invalid offset %d\n", + offset_read); + ret = -EINVAL; + goto exit; + } + + /* Write data to NVM */ + memcpy(data + offset, resp_data, bytes_read); + ret = bytes_read; + +exit: + iwl_free_resp(&cmd); + return ret; +} + +/* + * Reads an NVM section completely. + * NICs prior to 7000 family doesn't have a real NVM, but just read + * section 0 which is the EEPROM. Because the EEPROM reading is unlimited + * by uCode, we need to manually check in this case that we don't + * overflow and try to read more than the EEPROM size. + * For 7000 family NICs, we supply the maximal size we can read, and + * the uCode fills the response with as much data as we can, + * without overflowing, so no check is needed. + */ +static int iwl_nvm_read_section(struct iwl_mvm *mvm, u16 section, + u8 *data) +{ + u16 length, offset = 0; + int ret; + bool old_eeprom = mvm->cfg->device_family != IWL_DEVICE_FAMILY_7000; + + length = (iwlwifi_mod_params.amsdu_size_8K ? (8 * 1024) : (4 * 1024)) + - sizeof(union iwl_nvm_access_cmd) + - sizeof(struct iwl_rx_packet); + /* + * if length is greater than EEPROM size, truncate it because uCode + * doesn't check it by itself, and exit the loop when reached. + */ + if (old_eeprom && length > mvm->cfg->base_params->eeprom_size) + length = mvm->cfg->base_params->eeprom_size; + ret = length; + + /* Read the NVM until exhausted (reading less than requested) */ + while (ret == length) { + ret = iwl_nvm_read_chunk(mvm, section, offset, length, data); + if (ret < 0) { + IWL_ERR(mvm, + "Cannot read NVM from section %d offset %d, length %d\n", + section, offset, length); + return ret; + } + offset += ret; + if (old_eeprom && offset == mvm->cfg->base_params->eeprom_size) + break; + } + + IWL_INFO(mvm, "NVM section %d read completed\n", section); + return offset; +} + +static struct iwl_nvm_data * +iwl_parse_nvm_sections(struct iwl_mvm *mvm) +{ + struct iwl_nvm_section *sections = mvm->nvm_sections; + const __le16 *hw, *sw, *calib; + + /* Checking for required sections */ + if (!mvm->nvm_sections[NVM_SECTION_TYPE_SW].data || + !mvm->nvm_sections[NVM_SECTION_TYPE_HW].data) { + IWL_ERR(mvm, "Can't parse empty NVM sections\n"); + return NULL; + } + + if (WARN_ON(!mvm->cfg)) + return NULL; + + hw = (const __le16 *)sections[NVM_SECTION_TYPE_HW].data; + sw = (const __le16 *)sections[NVM_SECTION_TYPE_SW].data; + calib = (const __le16 *)sections[NVM_SECTION_TYPE_CALIBRATION].data; + return iwl_parse_nvm_data(mvm->trans->dev, mvm->cfg, hw, sw, calib); +} + +int iwl_nvm_init(struct iwl_mvm *mvm) +{ + int ret, i, section; + u8 *nvm_buffer, *temp; + + if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) { + /* TODO: find correct NVM max size for a section */ + nvm_buffer = kmalloc(mvm->cfg->base_params->eeprom_size, + GFP_KERNEL); + if (!nvm_buffer) + return -ENOMEM; + for (i = 0; i < ARRAY_SIZE(nvm_to_read); i++) { + section = nvm_to_read[i]; + /* we override the constness for initial read */ + ret = iwl_nvm_read_section(mvm, section, nvm_buffer); + if (ret < 0) + break; + temp = kmemdup(nvm_buffer, ret, GFP_KERNEL); + if (!temp) { + ret = -ENOMEM; + break; + } + mvm->nvm_sections[section].data = temp; + mvm->nvm_sections[section].length = ret; + } + kfree(nvm_buffer); + if (ret < 0) + return ret; + } else { + /* allocate eeprom */ + mvm->eeprom_blob_size = mvm->cfg->base_params->eeprom_size; + IWL_DEBUG_EEPROM(mvm->trans->dev, "NVM size = %zd\n", + mvm->eeprom_blob_size); + mvm->eeprom_blob = kzalloc(mvm->eeprom_blob_size, GFP_KERNEL); + if (!mvm->eeprom_blob) + return -ENOMEM; + + ret = iwl_nvm_read_section(mvm, 0, mvm->eeprom_blob); + if (ret != mvm->eeprom_blob_size) { + IWL_ERR(mvm, "Read partial NVM %d/%zd\n", + ret, mvm->eeprom_blob_size); + kfree(mvm->eeprom_blob); + mvm->eeprom_blob = NULL; + return -EINVAL; + } + } + + ret = 0; + if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) + mvm->nvm_data = iwl_parse_nvm_sections(mvm); + else + mvm->nvm_data = + iwl_parse_eeprom_data(mvm->trans->dev, + mvm->cfg, + mvm->eeprom_blob, + mvm->eeprom_blob_size); + + if (!mvm->nvm_data) { + kfree(mvm->eeprom_blob); + mvm->eeprom_blob = NULL; + ret = -ENOMEM; + } + + return ret; +} diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c new file mode 100644 index 000000000000..983dca3f888a --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -0,0 +1,679 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#include <linux/module.h> +#include <net/mac80211.h> + +#include "iwl-notif-wait.h" +#include "iwl-trans.h" +#include "iwl-op-mode.h" +#include "iwl-fw.h" +#include "iwl-debug.h" +#include "iwl-drv.h" +#include "iwl-modparams.h" +#include "mvm.h" +#include "iwl-phy-db.h" +#include "iwl-eeprom-parse.h" +#include "iwl-csr.h" +#include "iwl-io.h" +#include "iwl-prph.h" +#include "rs.h" +#include "fw-api-scan.h" +#include "time-event.h" + +/* + * module name, copyright, version, etc. + */ +#define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux" + +#define DRV_VERSION IWLWIFI_VERSION + +MODULE_DESCRIPTION(DRV_DESCRIPTION); +MODULE_VERSION(DRV_VERSION); +MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); +MODULE_LICENSE("GPL"); + +static const struct iwl_op_mode_ops iwl_mvm_ops; + +struct iwl_mvm_mod_params iwlmvm_mod_params = { + .power_scheme = IWL_POWER_SCHEME_BPS, + /* rest of fields are 0 by default */ +}; + +module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, S_IRUGO); +MODULE_PARM_DESC(init_dbg, + "set to true to debug an ASSERT in INIT fw (default: false"); +module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, S_IRUGO); +MODULE_PARM_DESC(power_scheme, + "power management scheme: 1-active, 2-balanced, 3-low power, default: 2"); + +/* + * module init and exit functions + */ +static int __init iwl_mvm_init(void) +{ + int ret; + + ret = iwl_mvm_rate_control_register(); + if (ret) { + pr_err("Unable to register rate control algorithm: %d\n", ret); + return ret; + } + + ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops); + + if (ret) { + pr_err("Unable to register MVM op_mode: %d\n", ret); + iwl_mvm_rate_control_unregister(); + } + + return ret; +} +module_init(iwl_mvm_init); + +static void __exit iwl_mvm_exit(void) +{ + iwl_opmode_deregister("iwlmvm"); + iwl_mvm_rate_control_unregister(); +} +module_exit(iwl_mvm_exit); + +static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) +{ + struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; + u32 reg_val = 0; + + /* + * We can't upload the correct value to the INIT image + * as we don't have nvm_data by that time. + * + * TODO: Figure out what we should do here + */ + if (mvm->nvm_data) { + radio_cfg_type = mvm->nvm_data->radio_cfg_type; + radio_cfg_step = mvm->nvm_data->radio_cfg_step; + radio_cfg_dash = mvm->nvm_data->radio_cfg_dash; + } else { + radio_cfg_type = 0; + radio_cfg_step = 0; + radio_cfg_dash = 0; + } + + /* SKU control */ + reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) << + CSR_HW_IF_CONFIG_REG_POS_MAC_STEP; + reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) << + CSR_HW_IF_CONFIG_REG_POS_MAC_DASH; + + /* radio configuration */ + reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE; + reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP; + reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; + + WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & + ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); + + /* silicon bits */ + reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; + reg_val |= CSR_HW_IF_CONFIG_REG_BIT_MAC_SI; + + iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH | + CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP | + CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | + CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | + CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | + CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | + CSR_HW_IF_CONFIG_REG_BIT_MAC_SI, + reg_val); + + IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, + radio_cfg_step, radio_cfg_dash); + + /* + * W/A : NIC is stuck in a reset state after Early PCIe power off + * (PCIe power is lost before PERST# is asserted), causing ME FW + * to lose ownership and not being able to obtain it back. + */ + iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, + APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, + ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); +} + +struct iwl_rx_handlers { + u8 cmd_id; + bool async; + int (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); +}; + +#define RX_HANDLER(_cmd_id, _fn, _async) \ + { .cmd_id = _cmd_id , .fn = _fn , .async = _async } + +/* + * Handlers for fw notifications + * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME + * This list should be in order of frequency for performance purposes. + * + * The handler can be SYNC - this means that it will be called in the Rx path + * which can't acquire mvm->mutex. If the handler needs to hold mvm->mutex (and + * only in this case!), it should be set as ASYNC. In that case, it will be + * called from a worker with mvm->mutex held. + */ +static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { + RX_HANDLER(REPLY_RX_MPDU_CMD, iwl_mvm_rx_rx_mpdu, false), + RX_HANDLER(REPLY_RX_PHY_CMD, iwl_mvm_rx_rx_phy_cmd, false), + RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, false), + RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, false), + RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, false), + + RX_HANDLER(SCAN_REQUEST_CMD, iwl_mvm_rx_scan_response, false), + RX_HANDLER(SCAN_COMPLETE_NOTIFICATION, iwl_mvm_rx_scan_complete, false), + + RX_HANDLER(RADIO_VERSION_NOTIFICATION, iwl_mvm_rx_radio_ver, false), + RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, false), + + RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, false), +}; +#undef RX_HANDLER +#define CMD(x) [x] = #x + +static const char *iwl_mvm_cmd_strings[REPLY_MAX] = { + CMD(MVM_ALIVE), + CMD(REPLY_ERROR), + CMD(INIT_COMPLETE_NOTIF), + CMD(PHY_CONTEXT_CMD), + CMD(MGMT_MCAST_KEY), + CMD(TX_CMD), + CMD(TXPATH_FLUSH), + CMD(MAC_CONTEXT_CMD), + CMD(TIME_EVENT_CMD), + CMD(TIME_EVENT_NOTIFICATION), + CMD(BINDING_CONTEXT_CMD), + CMD(TIME_QUOTA_CMD), + CMD(RADIO_VERSION_NOTIFICATION), + CMD(SCAN_REQUEST_CMD), + CMD(SCAN_ABORT_CMD), + CMD(SCAN_START_NOTIFICATION), + CMD(SCAN_RESULTS_NOTIFICATION), + CMD(SCAN_COMPLETE_NOTIFICATION), + CMD(NVM_ACCESS_CMD), + CMD(PHY_CONFIGURATION_CMD), + CMD(CALIB_RES_NOTIF_PHY_DB), + CMD(SET_CALIB_DEFAULT_CMD), + CMD(CALIBRATION_COMPLETE_NOTIFICATION), + CMD(ADD_STA), + CMD(REMOVE_STA), + CMD(LQ_CMD), + CMD(SCAN_OFFLOAD_CONFIG_CMD), + CMD(SCAN_OFFLOAD_REQUEST_CMD), + CMD(SCAN_OFFLOAD_ABORT_CMD), + CMD(SCAN_OFFLOAD_COMPLETE), + CMD(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), + CMD(POWER_TABLE_CMD), + CMD(WEP_KEY), + CMD(REPLY_RX_PHY_CMD), + CMD(REPLY_RX_MPDU_CMD), + CMD(BEACON_TEMPLATE_CMD), + CMD(STATISTICS_NOTIFICATION), + CMD(TX_ANT_CONFIGURATION_CMD), + CMD(D3_CONFIG_CMD), + CMD(PROT_OFFLOAD_CONFIG_CMD), + CMD(OFFLOADS_QUERY_CMD), + CMD(REMOTE_WAKE_CONFIG_CMD), + CMD(WOWLAN_PATTERNS), + CMD(WOWLAN_CONFIGURATION), + CMD(WOWLAN_TSC_RSC_PARAM), + CMD(WOWLAN_TKIP_PARAM), + CMD(WOWLAN_KEK_KCK_MATERIAL), + CMD(WOWLAN_GET_STATUSES), + CMD(WOWLAN_TX_POWER_PER_DB), + CMD(NET_DETECT_CONFIG_CMD), + CMD(NET_DETECT_PROFILES_QUERY_CMD), + CMD(NET_DETECT_PROFILES_CMD), + CMD(NET_DETECT_HOTSPOTS_CMD), + CMD(NET_DETECT_HOTSPOTS_QUERY_CMD), +}; +#undef CMD + +/* this forward declaration can avoid to export the function */ +static void iwl_mvm_async_handlers_wk(struct work_struct *wk); + +static struct iwl_op_mode * +iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, + const struct iwl_fw *fw, struct dentry *dbgfs_dir) +{ + struct ieee80211_hw *hw; + struct iwl_op_mode *op_mode; + struct iwl_mvm *mvm; + struct iwl_trans_config trans_cfg = {}; + static const u8 no_reclaim_cmds[] = { + TX_CMD, + }; + int err, scan_size; + + switch (cfg->device_family) { + case IWL_DEVICE_FAMILY_6030: + case IWL_DEVICE_FAMILY_6005: + case IWL_DEVICE_FAMILY_7000: + break; + default: + IWL_ERR(trans, "Trying to load mvm on an unsupported device\n"); + return NULL; + } + + /******************************** + * 1. Allocating and configuring HW data + ********************************/ + hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + + sizeof(struct iwl_mvm), + &iwl_mvm_hw_ops); + if (!hw) + return NULL; + + op_mode = hw->priv; + op_mode->ops = &iwl_mvm_ops; + op_mode->trans = trans; + + mvm = IWL_OP_MODE_GET_MVM(op_mode); + mvm->dev = trans->dev; + mvm->trans = trans; + mvm->cfg = cfg; + mvm->fw = fw; + mvm->hw = hw; + + mutex_init(&mvm->mutex); + spin_lock_init(&mvm->async_handlers_lock); + INIT_LIST_HEAD(&mvm->time_event_list); + INIT_LIST_HEAD(&mvm->async_handlers_list); + spin_lock_init(&mvm->time_event_lock); + + INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); + INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); + INIT_WORK(&mvm->sta_drained_wk, iwl_mvm_sta_drained_wk); + + SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); + + /* + * Populate the state variables that the transport layer needs + * to know about. + */ + trans_cfg.op_mode = op_mode; + trans_cfg.no_reclaim_cmds = no_reclaim_cmds; + trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); + trans_cfg.rx_buf_size_8k = iwlwifi_mod_params.amsdu_size_8K; + + /* TODO: this should really be a TLV */ + if (cfg->device_family == IWL_DEVICE_FAMILY_7000) + trans_cfg.bc_table_dword = true; + + if (!iwlwifi_mod_params.wd_disable) + trans_cfg.queue_watchdog_timeout = cfg->base_params->wd_timeout; + else + trans_cfg.queue_watchdog_timeout = IWL_WATCHDOG_DISABLED; + + trans_cfg.command_names = iwl_mvm_cmd_strings; + + trans_cfg.cmd_queue = IWL_MVM_CMD_QUEUE; + trans_cfg.cmd_fifo = IWL_MVM_CMD_FIFO; + + snprintf(mvm->hw->wiphy->fw_version, + sizeof(mvm->hw->wiphy->fw_version), + "%s", fw->fw_version); + + /* Configure transport layer */ + iwl_trans_configure(mvm->trans, &trans_cfg); + + trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; + trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_res_start); + + /* set up notification wait support */ + iwl_notification_wait_init(&mvm->notif_wait); + + /* Init phy db */ + mvm->phy_db = iwl_phy_db_init(trans); + if (!mvm->phy_db) { + IWL_ERR(mvm, "Cannot init phy_db\n"); + goto out_free; + } + + IWL_INFO(mvm, "Detected %s, REV=0x%X\n", + mvm->cfg->name, mvm->trans->hw_rev); + + err = iwl_trans_start_hw(mvm->trans); + if (err) + goto out_free; + + mutex_lock(&mvm->mutex); + err = iwl_run_init_mvm_ucode(mvm, true); + mutex_unlock(&mvm->mutex); + if (err && !iwlmvm_mod_params.init_dbg) { + IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err); + goto out_free; + } + + /* Stop the hw after the ALIVE and NVM has been read */ + if (!iwlmvm_mod_params.init_dbg) + iwl_trans_stop_hw(mvm->trans, false); + + scan_size = sizeof(struct iwl_scan_cmd) + + mvm->fw->ucode_capa.max_probe_length + + (MAX_NUM_SCAN_CHANNELS * sizeof(struct iwl_scan_channel)); + mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); + if (!mvm->scan_cmd) + goto out_free; + + err = iwl_mvm_mac_setup_register(mvm); + if (err) + goto out_free; + + err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir); + if (err) + goto out_unregister; + + return op_mode; + + out_unregister: + ieee80211_unregister_hw(mvm->hw); + out_free: + iwl_phy_db_free(mvm->phy_db); + kfree(mvm->scan_cmd); + kfree(mvm->eeprom_blob); + iwl_trans_stop_hw(trans, true); + ieee80211_free_hw(mvm->hw); + return NULL; +} + +static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) +{ + struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + int i; + + iwl_mvm_leds_exit(mvm); + + ieee80211_unregister_hw(mvm->hw); + + kfree(mvm->scan_cmd); + + iwl_trans_stop_hw(mvm->trans, true); + + iwl_phy_db_free(mvm->phy_db); + mvm->phy_db = NULL; + + kfree(mvm->eeprom_blob); + iwl_free_nvm_data(mvm->nvm_data); + for (i = 0; i < NVM_NUM_OF_SECTIONS; i++) + kfree(mvm->nvm_sections[i].data); + + ieee80211_free_hw(mvm->hw); +} + +struct iwl_async_handler_entry { + struct list_head list; + struct iwl_rx_cmd_buffer rxb; + int (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); +}; + +void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) +{ + struct iwl_async_handler_entry *entry, *tmp; + + spin_lock_bh(&mvm->async_handlers_lock); + list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { + iwl_free_rxb(&entry->rxb); + list_del(&entry->list); + kfree(entry); + } + spin_unlock_bh(&mvm->async_handlers_lock); +} + +static void iwl_mvm_async_handlers_wk(struct work_struct *wk) +{ + struct iwl_mvm *mvm = + container_of(wk, struct iwl_mvm, async_handlers_wk); + struct iwl_async_handler_entry *entry, *tmp; + struct list_head local_list; + + INIT_LIST_HEAD(&local_list); + + /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */ + mutex_lock(&mvm->mutex); + + /* + * Sync with Rx path with a lock. Remove all the entries from this list, + * add them to a local one (lock free), and then handle them. + */ + spin_lock_bh(&mvm->async_handlers_lock); + list_splice_init(&mvm->async_handlers_list, &local_list); + spin_unlock_bh(&mvm->async_handlers_lock); + + list_for_each_entry_safe(entry, tmp, &local_list, list) { + if (entry->fn(mvm, &entry->rxb, NULL)) + IWL_WARN(mvm, + "returned value from ASYNC handlers are ignored\n"); + iwl_free_rxb(&entry->rxb); + list_del(&entry->list); + kfree(entry); + } + mutex_unlock(&mvm->mutex); +} + +static int iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + u8 i; + + /* + * Do the notification wait before RX handlers so + * even if the RX handler consumes the RXB we have + * access to it in the notification wait entry. + */ + iwl_notification_wait_notify(&mvm->notif_wait, pkt); + + for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { + const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; + if (rx_h->cmd_id == pkt->hdr.cmd) { + struct iwl_async_handler_entry *entry; + if (!rx_h->async) + return rx_h->fn(mvm, rxb, cmd); + + entry = kzalloc(sizeof(*entry), GFP_ATOMIC); + /* we can't do much... */ + if (!entry) + return 0; + + entry->rxb._page = rxb_steal_page(rxb); + entry->rxb._offset = rxb->_offset; + entry->rxb._rx_page_order = rxb->_rx_page_order; + entry->fn = rx_h->fn; + spin_lock(&mvm->async_handlers_lock); + list_add_tail(&entry->list, &mvm->async_handlers_list); + spin_unlock(&mvm->async_handlers_lock); + schedule_work(&mvm->async_handlers_wk); + } + } + + return 0; +} + +static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int queue) +{ + struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + int mq = mvm->queue_to_mac80211[queue]; + + if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE)) + return; + + if (atomic_inc_return(&mvm->queue_stop_count[mq]) > 1) { + IWL_DEBUG_TX_QUEUES(mvm, + "queue %d (mac80211 %d) already stopped\n", + queue, mq); + return; + } + + set_bit(mq, &mvm->transport_queue_stop); + ieee80211_stop_queue(mvm->hw, mq); +} + +static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int queue) +{ + struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + int mq = mvm->queue_to_mac80211[queue]; + + if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE)) + return; + + if (atomic_dec_return(&mvm->queue_stop_count[mq]) > 0) { + IWL_DEBUG_TX_QUEUES(mvm, + "queue %d (mac80211 %d) already awake\n", + queue, mq); + return; + } + + clear_bit(mq, &mvm->transport_queue_stop); + + ieee80211_wake_queue(mvm->hw, mq); +} + +static void iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) +{ + struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + + if (state) + set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); + else + clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); + + wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state); +} + +static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) +{ + struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + struct ieee80211_tx_info *info; + + info = IEEE80211_SKB_CB(skb); + iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); + ieee80211_free_txskb(mvm->hw, skb); +} + +static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode) +{ + struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + + iwl_mvm_dump_nic_error_log(mvm); + + iwl_abort_notification_waits(&mvm->notif_wait); + + /* + * If we're restarting already, don't cycle restarts. + * If INIT fw asserted, it will likely fail again. + * If WoWLAN fw asserted, don't restart either, mac80211 + * can't recover this since we're already half suspended. + */ + if (test_and_set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { + IWL_ERR(mvm, "Firmware error during reconfiguration! Abort.\n"); + } else if (mvm->cur_ucode == IWL_UCODE_REGULAR && + iwlwifi_mod_params.restart_fw) { + /* + * This is a bit racy, but worst case we tell mac80211 about + * a stopped/aborted (sched) scan when that was already done + * which is not a problem. It is necessary to abort any scan + * here because mac80211 requires having the scan cleared + * before restarting. + * We'll reset the scan_status to NONE in restart cleanup in + * the next start() call from mac80211. + */ + switch (mvm->scan_status) { + case IWL_MVM_SCAN_NONE: + break; + case IWL_MVM_SCAN_OS: + ieee80211_scan_completed(mvm->hw, true); + break; + } + + ieee80211_restart_hw(mvm->hw); + } +} + +static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) +{ + WARN_ON(1); +} + +static const struct iwl_op_mode_ops iwl_mvm_ops = { + .start = iwl_op_mode_mvm_start, + .stop = iwl_op_mode_mvm_stop, + .rx = iwl_mvm_rx_dispatch, + .queue_full = iwl_mvm_stop_sw_queue, + .queue_not_full = iwl_mvm_wake_sw_queue, + .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, + .free_skb = iwl_mvm_free_skb, + .nic_error = iwl_mvm_nic_error, + .cmd_queue_full = iwl_mvm_cmd_queue_full, + .nic_config = iwl_mvm_nic_config, +}; diff --git a/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c new file mode 100644 index 000000000000..b428448f8ddf --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c @@ -0,0 +1,292 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#include <net/mac80211.h> +#include "fw-api.h" +#include "mvm.h" + +/* Maps the driver specific channel width definition to the the fw values */ +static inline u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef) +{ + switch (chandef->width) { + case NL80211_CHAN_WIDTH_20_NOHT: + case NL80211_CHAN_WIDTH_20: + return PHY_VHT_CHANNEL_MODE20; + case NL80211_CHAN_WIDTH_40: + return PHY_VHT_CHANNEL_MODE40; + case NL80211_CHAN_WIDTH_80: + return PHY_VHT_CHANNEL_MODE80; + case NL80211_CHAN_WIDTH_160: + return PHY_VHT_CHANNEL_MODE160; + default: + WARN(1, "Invalid channel width=%u", chandef->width); + return PHY_VHT_CHANNEL_MODE20; + } +} + +/* + * Maps the driver specific control channel position (relative to the center + * freq) definitions to the the fw values + */ +static inline u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef) +{ + switch (chandef->chan->center_freq - chandef->center_freq1) { + case -70: + return PHY_VHT_CTRL_POS_4_BELOW; + case -50: + return PHY_VHT_CTRL_POS_3_BELOW; + case -30: + return PHY_VHT_CTRL_POS_2_BELOW; + case -10: + return PHY_VHT_CTRL_POS_1_BELOW; + case 10: + return PHY_VHT_CTRL_POS_1_ABOVE; + case 30: + return PHY_VHT_CTRL_POS_2_ABOVE; + case 50: + return PHY_VHT_CTRL_POS_3_ABOVE; + case 70: + return PHY_VHT_CTRL_POS_4_ABOVE; + default: + WARN(1, "Invalid channel definition"); + case 0: + /* + * The FW is expected to check the control channel position only + * when in HT/VHT and the channel width is not 20MHz. Return + * this value as the default one. + */ + return PHY_VHT_CTRL_POS_1_BELOW; + } +} + +/* + * Construct the generic fields of the PHY context command + */ +static void iwl_mvm_phy_ctxt_cmd_hdr(struct iwl_mvm_phy_ctxt *ctxt, + struct iwl_phy_context_cmd *cmd, + u32 action, u32 apply_time) +{ + memset(cmd, 0, sizeof(struct iwl_phy_context_cmd)); + + cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(ctxt->id, + ctxt->color)); + cmd->action = cpu_to_le32(action); + cmd->apply_time = cpu_to_le32(apply_time); +} + +/* + * Add the phy configuration to the PHY context command + */ +static void iwl_mvm_phy_ctxt_cmd_data(struct iwl_mvm *mvm, + struct iwl_phy_context_cmd *cmd, + struct cfg80211_chan_def *chandef, + u8 chains_static, u8 chains_dynamic) +{ + u8 valid_rx_chains, active_cnt, idle_cnt; + + /* Set the channel info data */ + cmd->ci.band = (chandef->chan->band == IEEE80211_BAND_2GHZ ? + PHY_BAND_24 : PHY_BAND_5); + + cmd->ci.channel = chandef->chan->hw_value; + cmd->ci.width = iwl_mvm_get_channel_width(chandef); + cmd->ci.ctrl_pos = iwl_mvm_get_ctrl_pos(chandef); + + /* Set rx the chains */ + + /* TODO: + * Need to add on chain noise calibration limitations, and + * BT coex considerations. + */ + valid_rx_chains = mvm->nvm_data->valid_rx_ant; + idle_cnt = chains_static; + active_cnt = chains_dynamic; + + cmd->rxchain_info = cpu_to_le32(valid_rx_chains << + PHY_RX_CHAIN_VALID_POS); + cmd->rxchain_info |= cpu_to_le32(idle_cnt << PHY_RX_CHAIN_CNT_POS); + cmd->rxchain_info |= cpu_to_le32(active_cnt << + PHY_RX_CHAIN_MIMO_CNT_POS); + + cmd->txchain_info = cpu_to_le32(mvm->nvm_data->valid_tx_ant); +} + +/* + * Send a command to apply the current phy configuration. The command is send + * only if something in the configuration changed: in case that this is the + * first time that the phy configuration is applied or in case that the phy + * configuration changed from the previous apply. + */ +static int iwl_mvm_phy_ctxt_apply(struct iwl_mvm *mvm, + struct iwl_mvm_phy_ctxt *ctxt, + struct cfg80211_chan_def *chandef, + u8 chains_static, u8 chains_dynamic, + u32 action, u32 apply_time) +{ + struct iwl_phy_context_cmd cmd; + int ret; + + /* Set the command header fields */ + iwl_mvm_phy_ctxt_cmd_hdr(ctxt, &cmd, action, apply_time); + + /* Set the command data */ + iwl_mvm_phy_ctxt_cmd_data(mvm, &cmd, chandef, + chains_static, chains_dynamic); + + ret = iwl_mvm_send_cmd_pdu(mvm, PHY_CONTEXT_CMD, CMD_SYNC, + sizeof(struct iwl_phy_context_cmd), + &cmd); + if (ret) + IWL_ERR(mvm, "PHY ctxt cmd error. ret=%d\n", ret); + return ret; +} + + +struct phy_ctx_used_data { + unsigned long used[BITS_TO_LONGS(NUM_PHY_CTX)]; +}; + +static void iwl_mvm_phy_ctx_used_iter(struct ieee80211_hw *hw, + struct ieee80211_chanctx_conf *ctx, + void *_data) +{ + struct phy_ctx_used_data *data = _data; + struct iwl_mvm_phy_ctxt *phy_ctxt = (void *)ctx->drv_priv; + + __set_bit(phy_ctxt->id, data->used); +} + +/* + * Send a command to add a PHY context based on the current HW configuration. + */ +int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, + struct cfg80211_chan_def *chandef, + u8 chains_static, u8 chains_dynamic) +{ + struct phy_ctx_used_data data = { + .used = { }, + }; + + /* + * If this is a regular PHY context (not the ROC one) + * skip the ROC PHY context's ID. + */ + if (ctxt != &mvm->phy_ctxt_roc) + __set_bit(mvm->phy_ctxt_roc.id, data.used); + + lockdep_assert_held(&mvm->mutex); + ctxt->color++; + + if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { + ieee80211_iter_chan_contexts_atomic( + mvm->hw, iwl_mvm_phy_ctx_used_iter, &data); + + ctxt->id = find_first_zero_bit(data.used, NUM_PHY_CTX); + if (WARN_ONCE(ctxt->id == NUM_PHY_CTX, + "Failed to init PHY context - no free ID!\n")) + return -EIO; + } + + ctxt->channel = chandef->chan; + return iwl_mvm_phy_ctxt_apply(mvm, ctxt, chandef, + chains_static, chains_dynamic, + FW_CTXT_ACTION_ADD, 0); +} + +/* + * Send a command to modify the PHY context based on the current HW + * configuration. Note that the function does not check that the configuration + * changed. + */ +int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, + struct cfg80211_chan_def *chandef, + u8 chains_static, u8 chains_dynamic) +{ + lockdep_assert_held(&mvm->mutex); + + ctxt->channel = chandef->chan; + return iwl_mvm_phy_ctxt_apply(mvm, ctxt, chandef, + chains_static, chains_dynamic, + FW_CTXT_ACTION_MODIFY, 0); +} + +/* + * Send a command to the FW to remove the given phy context. + * Once the command is sent, regardless of success or failure, the context is + * marked as invalid + */ +void iwl_mvm_phy_ctxt_remove(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt) +{ + struct iwl_phy_context_cmd cmd; + int ret; + + lockdep_assert_held(&mvm->mutex); + + iwl_mvm_phy_ctxt_cmd_hdr(ctxt, &cmd, FW_CTXT_ACTION_REMOVE, 0); + ret = iwl_mvm_send_cmd_pdu(mvm, PHY_CONTEXT_CMD, CMD_SYNC, + sizeof(struct iwl_phy_context_cmd), + &cmd); + if (ret) + IWL_ERR(mvm, "Failed to send PHY remove: ctxt id=%d\n", + ctxt->id); +} diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c new file mode 100644 index 000000000000..63628739cf4a --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/power.c @@ -0,0 +1,207 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/init.h> + +#include <net/mac80211.h> + +#include "iwl-debug.h" +#include "mvm.h" +#include "iwl-modparams.h" +#include "fw-api-power.h" + +#define POWER_KEEP_ALIVE_PERIOD_SEC 25 + +static void iwl_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_powertable_cmd *cmd) +{ + struct ieee80211_hw *hw = mvm->hw; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct ieee80211_chanctx_conf *chanctx_conf; + struct ieee80211_channel *chan; + int dtimper, dtimper_msec; + int keep_alive; + bool radar_detect = false; + + cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, + mvmvif->color)); + cmd->action = cpu_to_le32(FW_CTXT_ACTION_MODIFY); + + if ((!vif->bss_conf.ps) || + (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)) + return; + + cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK); + + dtimper = hw->conf.ps_dtim_period ?: 1; + + /* Check if radar detection is required on current channel */ + rcu_read_lock(); + chanctx_conf = rcu_dereference(vif->chanctx_conf); + WARN_ON(!chanctx_conf); + if (chanctx_conf) { + chan = chanctx_conf->def.chan; + radar_detect = chan->flags & IEEE80211_CHAN_RADAR; + } + rcu_read_unlock(); + + /* Check skip over DTIM conditions */ + if (!radar_detect && (dtimper <= 10) && + (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP)) { + cmd->flags |= cpu_to_le16(POWER_FLAGS_SLEEP_OVER_DTIM_MSK); + cmd->num_skip_dtim = 2; + } + + /* Check that keep alive period is at least 3 * DTIM */ + dtimper_msec = dtimper * vif->bss_conf.beacon_int; + keep_alive = max_t(int, 3 * dtimper_msec, + MSEC_PER_SEC * POWER_KEEP_ALIVE_PERIOD_SEC); + keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC); + + cmd->keep_alive_seconds = cpu_to_le16(keep_alive); + + if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP) { + /* TODO: Also for D3 (device sleep / WoWLAN) */ + cmd->rx_data_timeout = cpu_to_le32(10); + cmd->tx_data_timeout = cpu_to_le32(10); + } else { + cmd->rx_data_timeout = cpu_to_le32(50); + cmd->tx_data_timeout = cpu_to_le32(50); + } +} + +int iwl_mvm_power_update_mode(struct iwl_mvm *mvm, struct ieee80211_vif *vif) +{ + struct iwl_powertable_cmd cmd = {}; + + if (!iwlwifi_mod_params.power_save) { + IWL_DEBUG_POWER(mvm, "Power management is not allowed\n"); + return 0; + } + + if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) + return 0; + + iwl_power_build_cmd(mvm, vif, &cmd); + + IWL_DEBUG_POWER(mvm, + "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n", + cmd.id_and_color, iwlmvm_mod_params.power_scheme, + le16_to_cpu(cmd.flags)); + + if (cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)) { + IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n", + le16_to_cpu(cmd.keep_alive_seconds)); + IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n", + le32_to_cpu(cmd.rx_data_timeout)); + IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n", + le32_to_cpu(cmd.tx_data_timeout)); + IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n", + le32_to_cpu(cmd.rx_data_timeout_uapsd)); + IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n", + le32_to_cpu(cmd.tx_data_timeout_uapsd)); + IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n", + cmd.lprx_rssi_threshold); + IWL_DEBUG_POWER(mvm, "DTIMs to skip = %u\n", cmd.num_skip_dtim); + } + + return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, CMD_SYNC, + sizeof(cmd), &cmd); +} + +int iwl_mvm_power_disable(struct iwl_mvm *mvm, struct ieee80211_vif *vif) +{ + struct iwl_powertable_cmd cmd = {}; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + if (!iwlwifi_mod_params.power_save) { + IWL_DEBUG_POWER(mvm, "Power management is not allowed\n"); + return 0; + } + + if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) + return 0; + + cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, + mvmvif->color)); + cmd.action = cpu_to_le32(FW_CTXT_ACTION_MODIFY); + + IWL_DEBUG_POWER(mvm, + "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n", + cmd.id_and_color, iwlmvm_mod_params.power_scheme, + le16_to_cpu(cmd.flags)); + + return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, CMD_SYNC, + sizeof(cmd), &cmd); +} + +#ifdef CONFIG_IWLWIFI_DEBUGFS +void iwl_power_get_params(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_powertable_cmd *cmd) +{ + iwl_power_build_cmd(mvm, vif, cmd); +} +#endif /* CONFIG_IWLWIFI_DEBUGFS */ diff --git a/drivers/net/wireless/iwlwifi/mvm/quota.c b/drivers/net/wireless/iwlwifi/mvm/quota.c new file mode 100644 index 000000000000..2d4611a563c5 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/quota.c @@ -0,0 +1,178 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#include <net/mac80211.h> +#include "fw-api.h" +#include "mvm.h" + +struct iwl_mvm_quota_iterator_data { + int n_interfaces[MAX_BINDINGS]; + int colors[MAX_BINDINGS]; + struct ieee80211_vif *new_vif; +}; + +static void iwl_mvm_quota_iterator(void *_data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct iwl_mvm_quota_iterator_data *data = _data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + u16 id; + + /* + * We'll account for the new interface (if any) below, + * skip it here in case we're not called from within + * the add_interface callback (otherwise it won't show + * up in iteration) + */ + if (vif == data->new_vif) + return; + + if (!mvmvif->phy_ctxt) + return; + + /* currently, PHY ID == binding ID */ + id = mvmvif->phy_ctxt->id; + + /* need at least one binding per PHY */ + BUILD_BUG_ON(NUM_PHY_CTX > MAX_BINDINGS); + + if (WARN_ON_ONCE(id >= MAX_BINDINGS)) + return; + + if (data->colors[id] < 0) + data->colors[id] = mvmvif->phy_ctxt->color; + else + WARN_ON_ONCE(data->colors[id] != mvmvif->phy_ctxt->color); + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + if (vif->bss_conf.assoc) + data->n_interfaces[id]++; + break; + case NL80211_IFTYPE_AP: + if (mvmvif->ap_active) + data->n_interfaces[id]++; + break; + case NL80211_IFTYPE_MONITOR: + data->n_interfaces[id]++; + break; + case NL80211_IFTYPE_P2P_DEVICE: + break; + case NL80211_IFTYPE_ADHOC: + if (vif->bss_conf.ibss_joined) + data->n_interfaces[id]++; + break; + default: + WARN_ON_ONCE(1); + break; + } +} + +int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif) +{ + struct iwl_time_quota_cmd cmd; + int i, idx, ret; + struct iwl_mvm_quota_iterator_data data = { + .n_interfaces = {}, + .colors = { -1, -1, -1, -1 }, + .new_vif = newvif, + }; + + /* update all upon completion */ + if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) + return 0; + + BUILD_BUG_ON(data.colors[MAX_BINDINGS - 1] != -1); + + lockdep_assert_held(&mvm->mutex); + + memset(&cmd, 0, sizeof(cmd)); + + ieee80211_iterate_active_interfaces_atomic( + mvm->hw, IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_quota_iterator, &data); + if (newvif) { + data.new_vif = NULL; + iwl_mvm_quota_iterator(&data, newvif->addr, newvif); + } + + for (idx = 0, i = 0; i < MAX_BINDINGS; i++) { + if (data.n_interfaces[i] <= 0) + continue; + + cmd.quotas[idx].id_and_color = + cpu_to_le32(FW_CMD_ID_AND_COLOR(i, data.colors[i])); + cmd.quotas[idx].quota = cpu_to_le32(100); + cmd.quotas[idx].max_duration = cpu_to_le32(1000); + idx++; + } + + for (i = idx; i < MAX_BINDINGS; i++) + cmd.quotas[i].id_and_color = cpu_to_le32(FW_CTXT_INVALID); + + ret = iwl_mvm_send_cmd_pdu(mvm, TIME_QUOTA_CMD, CMD_SYNC, + sizeof(cmd), &cmd); + if (ret) + IWL_ERR(mvm, "Failed to send quota: %d\n", ret); + return ret; +} diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c new file mode 100644 index 000000000000..60a4291ca221 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -0,0 +1,3096 @@ +/****************************************************************************** + * + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * The full GNU General Public License is included in this distribution in the + * file called LICENSE. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + *****************************************************************************/ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/skbuff.h> +#include <linux/slab.h> +#include <net/mac80211.h> + +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/delay.h> + +#include <linux/workqueue.h> +#include "rs.h" +#include "fw-api.h" +#include "sta.h" +#include "iwl-op-mode.h" +#include "mvm.h" + +#define RS_NAME "iwl-mvm-rs" + +#define NUM_TRY_BEFORE_ANT_TOGGLE 1 +#define IWL_NUMBER_TRY 1 +#define IWL_HT_NUMBER_TRY 3 + +#define IWL_RATE_MAX_WINDOW 62 /* # tx in history window */ +#define IWL_RATE_MIN_FAILURE_TH 6 /* min failures to calc tpt */ +#define IWL_RATE_MIN_SUCCESS_TH 8 /* min successes to calc tpt */ + +/* max allowed rate miss before sync LQ cmd */ +#define IWL_MISSED_RATE_MAX 15 +/* max time to accum history 2 seconds */ +#define IWL_RATE_SCALE_FLUSH_INTVL (3*HZ) + +static u8 rs_ht_to_legacy[] = { + IWL_RATE_6M_INDEX, IWL_RATE_6M_INDEX, + IWL_RATE_6M_INDEX, IWL_RATE_6M_INDEX, + IWL_RATE_6M_INDEX, + IWL_RATE_6M_INDEX, IWL_RATE_9M_INDEX, + IWL_RATE_12M_INDEX, IWL_RATE_18M_INDEX, + IWL_RATE_24M_INDEX, IWL_RATE_36M_INDEX, + IWL_RATE_48M_INDEX, IWL_RATE_54M_INDEX +}; + +static const u8 ant_toggle_lookup[] = { + /*ANT_NONE -> */ ANT_NONE, + /*ANT_A -> */ ANT_B, + /*ANT_B -> */ ANT_C, + /*ANT_AB -> */ ANT_BC, + /*ANT_C -> */ ANT_A, + /*ANT_AC -> */ ANT_AB, + /*ANT_BC -> */ ANT_AC, + /*ANT_ABC -> */ ANT_ABC, +}; + +#define IWL_DECLARE_RATE_INFO(r, s, ip, in, rp, rn, pp, np) \ + [IWL_RATE_##r##M_INDEX] = { IWL_RATE_##r##M_PLCP, \ + IWL_RATE_SISO_##s##M_PLCP, \ + IWL_RATE_MIMO2_##s##M_PLCP,\ + IWL_RATE_MIMO3_##s##M_PLCP,\ + IWL_RATE_##r##M_IEEE, \ + IWL_RATE_##ip##M_INDEX, \ + IWL_RATE_##in##M_INDEX, \ + IWL_RATE_##rp##M_INDEX, \ + IWL_RATE_##rn##M_INDEX, \ + IWL_RATE_##pp##M_INDEX, \ + IWL_RATE_##np##M_INDEX } + +/* + * Parameter order: + * rate, ht rate, prev rate, next rate, prev tgg rate, next tgg rate + * + * If there isn't a valid next or previous rate then INV is used which + * maps to IWL_RATE_INVALID + * + */ +static const struct iwl_rs_rate_info iwl_rates[IWL_RATE_COUNT] = { + IWL_DECLARE_RATE_INFO(1, INV, INV, 2, INV, 2, INV, 2), /* 1mbps */ + IWL_DECLARE_RATE_INFO(2, INV, 1, 5, 1, 5, 1, 5), /* 2mbps */ + IWL_DECLARE_RATE_INFO(5, INV, 2, 6, 2, 11, 2, 11), /*5.5mbps */ + IWL_DECLARE_RATE_INFO(11, INV, 9, 12, 9, 12, 5, 18), /* 11mbps */ + IWL_DECLARE_RATE_INFO(6, 6, 5, 9, 5, 11, 5, 11), /* 6mbps */ + IWL_DECLARE_RATE_INFO(9, 6, 6, 11, 6, 11, 5, 11), /* 9mbps */ + IWL_DECLARE_RATE_INFO(12, 12, 11, 18, 11, 18, 11, 18), /* 12mbps */ + IWL_DECLARE_RATE_INFO(18, 18, 12, 24, 12, 24, 11, 24), /* 18mbps */ + IWL_DECLARE_RATE_INFO(24, 24, 18, 36, 18, 36, 18, 36), /* 24mbps */ + IWL_DECLARE_RATE_INFO(36, 36, 24, 48, 24, 48, 24, 48), /* 36mbps */ + IWL_DECLARE_RATE_INFO(48, 48, 36, 54, 36, 54, 36, 54), /* 48mbps */ + IWL_DECLARE_RATE_INFO(54, 54, 48, INV, 48, INV, 48, INV),/* 54mbps */ + IWL_DECLARE_RATE_INFO(60, 60, 48, INV, 48, INV, 48, INV),/* 60mbps */ + /* FIXME:RS: ^^ should be INV (legacy) */ +}; + +static inline u8 rs_extract_rate(u32 rate_n_flags) +{ + /* also works for HT because bits 7:6 are zero there */ + return (u8)(rate_n_flags & RATE_LEGACY_RATE_MSK); +} + +static int iwl_hwrate_to_plcp_idx(u32 rate_n_flags) +{ + int idx = 0; + + /* HT rate format */ + if (rate_n_flags & RATE_MCS_HT_MSK) { + idx = rs_extract_rate(rate_n_flags); + + if (idx >= IWL_RATE_MIMO3_6M_PLCP) + idx = idx - IWL_RATE_MIMO3_6M_PLCP; + else if (idx >= IWL_RATE_MIMO2_6M_PLCP) + idx = idx - IWL_RATE_MIMO2_6M_PLCP; + + idx += IWL_FIRST_OFDM_RATE; + /* skip 9M not supported in ht*/ + if (idx >= IWL_RATE_9M_INDEX) + idx += 1; + if ((idx >= IWL_FIRST_OFDM_RATE) && (idx <= IWL_LAST_OFDM_RATE)) + return idx; + + /* legacy rate format, search for match in table */ + } else { + for (idx = 0; idx < ARRAY_SIZE(iwl_rates); idx++) + if (iwl_rates[idx].plcp == + rs_extract_rate(rate_n_flags)) + return idx; + } + + return -1; +} + +static void rs_rate_scale_perform(struct iwl_mvm *mvm, + struct sk_buff *skb, + struct ieee80211_sta *sta, + struct iwl_lq_sta *lq_sta); +static void rs_fill_link_cmd(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta, u32 rate_n_flags); +static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search); + + +#ifdef CONFIG_MAC80211_DEBUGFS +static void rs_dbgfs_set_mcs(struct iwl_lq_sta *lq_sta, + u32 *rate_n_flags, int index); +#else +static void rs_dbgfs_set_mcs(struct iwl_lq_sta *lq_sta, + u32 *rate_n_flags, int index) +{} +#endif + +/** + * The following tables contain the expected throughput metrics for all rates + * + * 1, 2, 5.5, 11, 6, 9, 12, 18, 24, 36, 48, 54, 60 MBits + * + * where invalid entries are zeros. + * + * CCK rates are only valid in legacy table and will only be used in G + * (2.4 GHz) band. + */ + +static s32 expected_tpt_legacy[IWL_RATE_COUNT] = { + 7, 13, 35, 58, 40, 57, 72, 98, 121, 154, 177, 186, 0 +}; + +static s32 expected_tpt_siso20MHz[4][IWL_RATE_COUNT] = { + {0, 0, 0, 0, 42, 0, 76, 102, 124, 159, 183, 193, 202}, /* Norm */ + {0, 0, 0, 0, 46, 0, 82, 110, 132, 168, 192, 202, 210}, /* SGI */ + {0, 0, 0, 0, 47, 0, 91, 133, 171, 242, 305, 334, 362}, /* AGG */ + {0, 0, 0, 0, 52, 0, 101, 145, 187, 264, 330, 361, 390}, /* AGG+SGI */ +}; + +static s32 expected_tpt_siso40MHz[4][IWL_RATE_COUNT] = { + {0, 0, 0, 0, 77, 0, 127, 160, 184, 220, 242, 250, 257}, /* Norm */ + {0, 0, 0, 0, 83, 0, 135, 169, 193, 229, 250, 257, 264}, /* SGI */ + {0, 0, 0, 0, 94, 0, 177, 249, 313, 423, 512, 550, 586}, /* AGG */ + {0, 0, 0, 0, 104, 0, 193, 270, 338, 454, 545, 584, 620}, /* AGG+SGI */ +}; + +static s32 expected_tpt_mimo2_20MHz[4][IWL_RATE_COUNT] = { + {0, 0, 0, 0, 74, 0, 123, 155, 179, 214, 236, 244, 251}, /* Norm */ + {0, 0, 0, 0, 81, 0, 131, 164, 188, 223, 243, 251, 257}, /* SGI */ + {0, 0, 0, 0, 89, 0, 167, 235, 296, 402, 488, 526, 560}, /* AGG */ + {0, 0, 0, 0, 97, 0, 182, 255, 320, 431, 520, 558, 593}, /* AGG+SGI*/ +}; + +static s32 expected_tpt_mimo2_40MHz[4][IWL_RATE_COUNT] = { + {0, 0, 0, 0, 123, 0, 182, 214, 235, 264, 279, 285, 289}, /* Norm */ + {0, 0, 0, 0, 131, 0, 191, 222, 242, 270, 284, 289, 293}, /* SGI */ + {0, 0, 0, 0, 171, 0, 305, 410, 496, 634, 731, 771, 805}, /* AGG */ + {0, 0, 0, 0, 186, 0, 329, 439, 527, 667, 764, 803, 838}, /* AGG+SGI */ +}; + +static s32 expected_tpt_mimo3_20MHz[4][IWL_RATE_COUNT] = { + {0, 0, 0, 0, 99, 0, 153, 186, 208, 239, 256, 263, 268}, /* Norm */ + {0, 0, 0, 0, 106, 0, 162, 194, 215, 246, 262, 268, 273}, /* SGI */ + {0, 0, 0, 0, 134, 0, 249, 346, 431, 574, 685, 732, 775}, /* AGG */ + {0, 0, 0, 0, 148, 0, 272, 376, 465, 614, 727, 775, 818}, /* AGG+SGI */ +}; + +static s32 expected_tpt_mimo3_40MHz[4][IWL_RATE_COUNT] = { + {0, 0, 0, 0, 152, 0, 211, 239, 255, 279, 290, 294, 297}, /* Norm */ + {0, 0, 0, 0, 160, 0, 219, 245, 261, 284, 294, 297, 300}, /* SGI */ + {0, 0, 0, 0, 254, 0, 443, 584, 695, 868, 984, 1030, 1070}, /* AGG */ + {0, 0, 0, 0, 277, 0, 478, 624, 737, 911, 1026, 1070, 1109}, /* AGG+SGI */ +}; + +/* mbps, mcs */ +static const struct iwl_rate_mcs_info iwl_rate_mcs[IWL_RATE_COUNT] = { + { "1", "BPSK DSSS"}, + { "2", "QPSK DSSS"}, + {"5.5", "BPSK CCK"}, + { "11", "QPSK CCK"}, + { "6", "BPSK 1/2"}, + { "9", "BPSK 1/2"}, + { "12", "QPSK 1/2"}, + { "18", "QPSK 3/4"}, + { "24", "16QAM 1/2"}, + { "36", "16QAM 3/4"}, + { "48", "64QAM 2/3"}, + { "54", "64QAM 3/4"}, + { "60", "64QAM 5/6"}, +}; + +#define MCS_INDEX_PER_STREAM (8) + +static void rs_rate_scale_clear_window(struct iwl_rate_scale_data *window) +{ + window->data = 0; + window->success_counter = 0; + window->success_ratio = IWL_INVALID_VALUE; + window->counter = 0; + window->average_tpt = IWL_INVALID_VALUE; + window->stamp = 0; +} + +static inline u8 rs_is_valid_ant(u8 valid_antenna, u8 ant_type) +{ + return (ant_type & valid_antenna) == ant_type; +} + +/* + * removes the old data from the statistics. All data that is older than + * TID_MAX_TIME_DIFF, will be deleted. + */ +static void rs_tl_rm_old_stats(struct iwl_traffic_load *tl, u32 curr_time) +{ + /* The oldest age we want to keep */ + u32 oldest_time = curr_time - TID_MAX_TIME_DIFF; + + while (tl->queue_count && + (tl->time_stamp < oldest_time)) { + tl->total -= tl->packet_count[tl->head]; + tl->packet_count[tl->head] = 0; + tl->time_stamp += TID_QUEUE_CELL_SPACING; + tl->queue_count--; + tl->head++; + if (tl->head >= TID_QUEUE_MAX_SIZE) + tl->head = 0; + } +} + +/* + * increment traffic load value for tid and also remove + * any old values if passed the certain time period + */ +static u8 rs_tl_add_packet(struct iwl_lq_sta *lq_data, + struct ieee80211_hdr *hdr) +{ + u32 curr_time = jiffies_to_msecs(jiffies); + u32 time_diff; + s32 index; + struct iwl_traffic_load *tl = NULL; + u8 tid; + + if (ieee80211_is_data_qos(hdr->frame_control)) { + u8 *qc = ieee80211_get_qos_ctl(hdr); + tid = qc[0] & 0xf; + } else { + return IWL_MAX_TID_COUNT; + } + + if (unlikely(tid >= IWL_MAX_TID_COUNT)) + return IWL_MAX_TID_COUNT; + + tl = &lq_data->load[tid]; + + curr_time -= curr_time % TID_ROUND_VALUE; + + /* Happens only for the first packet. Initialize the data */ + if (!(tl->queue_count)) { + tl->total = 1; + tl->time_stamp = curr_time; + tl->queue_count = 1; + tl->head = 0; + tl->packet_count[0] = 1; + return IWL_MAX_TID_COUNT; + } + + time_diff = TIME_WRAP_AROUND(tl->time_stamp, curr_time); + index = time_diff / TID_QUEUE_CELL_SPACING; + + /* The history is too long: remove data that is older than */ + /* TID_MAX_TIME_DIFF */ + if (index >= TID_QUEUE_MAX_SIZE) + rs_tl_rm_old_stats(tl, curr_time); + + index = (tl->head + index) % TID_QUEUE_MAX_SIZE; + tl->packet_count[index] = tl->packet_count[index] + 1; + tl->total = tl->total + 1; + + if ((index + 1) > tl->queue_count) + tl->queue_count = index + 1; + + return tid; +} + +#ifdef CONFIG_MAC80211_DEBUGFS +/** + * Program the device to use fixed rate for frame transmit + * This is for debugging/testing only + * once the device start use fixed rate, we need to reload the module + * to being back the normal operation. + */ +static void rs_program_fix_rate(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta) +{ + lq_sta->active_legacy_rate = 0x0FFF; /* 1 - 54 MBits, includes CCK */ + lq_sta->active_siso_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */ + lq_sta->active_mimo2_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */ + lq_sta->active_mimo3_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */ + + IWL_DEBUG_RATE(mvm, "sta_id %d rate 0x%X\n", + lq_sta->lq.sta_id, lq_sta->dbg_fixed_rate); + + if (lq_sta->dbg_fixed_rate) { + rs_fill_link_cmd(NULL, lq_sta, lq_sta->dbg_fixed_rate); + iwl_mvm_send_lq_cmd(lq_sta->drv, &lq_sta->lq, CMD_ASYNC, false); + } +} +#endif + +/* + get the traffic load value for tid +*/ +static u32 rs_tl_get_load(struct iwl_lq_sta *lq_data, u8 tid) +{ + u32 curr_time = jiffies_to_msecs(jiffies); + u32 time_diff; + s32 index; + struct iwl_traffic_load *tl = NULL; + + if (tid >= IWL_MAX_TID_COUNT) + return 0; + + tl = &(lq_data->load[tid]); + + curr_time -= curr_time % TID_ROUND_VALUE; + + if (!(tl->queue_count)) + return 0; + + time_diff = TIME_WRAP_AROUND(tl->time_stamp, curr_time); + index = time_diff / TID_QUEUE_CELL_SPACING; + + /* The history is too long: remove data that is older than */ + /* TID_MAX_TIME_DIFF */ + if (index >= TID_QUEUE_MAX_SIZE) + rs_tl_rm_old_stats(tl, curr_time); + + return tl->total; +} + +static int rs_tl_turn_on_agg_for_tid(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_data, u8 tid, + struct ieee80211_sta *sta) +{ + int ret = -EAGAIN; + u32 load; + + load = rs_tl_get_load(lq_data, tid); + + if ((iwlwifi_mod_params.auto_agg) || (load > IWL_AGG_LOAD_THRESHOLD)) { + IWL_DEBUG_HT(mvm, "Starting Tx agg: STA: %pM tid: %d\n", + sta->addr, tid); + ret = ieee80211_start_tx_ba_session(sta, tid, 5000); + if (ret == -EAGAIN) { + /* + * driver and mac80211 is out of sync + * this might be cause by reloading firmware + * stop the tx ba session here + */ + IWL_ERR(mvm, "Fail start Tx agg on tid: %d\n", + tid); + ieee80211_stop_tx_ba_session(sta, tid); + } + } else { + IWL_DEBUG_HT(mvm, + "Aggregation not enabled for tid %d because load = %u\n", + tid, load); + } + return ret; +} + +static void rs_tl_turn_on_agg(struct iwl_mvm *mvm, u8 tid, + struct iwl_lq_sta *lq_data, + struct ieee80211_sta *sta) +{ + if (tid < IWL_MAX_TID_COUNT) + rs_tl_turn_on_agg_for_tid(mvm, lq_data, tid, sta); + else + IWL_ERR(mvm, "tid exceeds max TID count: %d/%d\n", + tid, IWL_MAX_TID_COUNT); +} + +static inline int get_num_of_ant_from_rate(u32 rate_n_flags) +{ + return !!(rate_n_flags & RATE_MCS_ANT_A_MSK) + + !!(rate_n_flags & RATE_MCS_ANT_B_MSK) + + !!(rate_n_flags & RATE_MCS_ANT_C_MSK); +} + +/* + * Static function to get the expected throughput from an iwl_scale_tbl_info + * that wraps a NULL pointer check + */ +static s32 get_expected_tpt(struct iwl_scale_tbl_info *tbl, int rs_index) +{ + if (tbl->expected_tpt) + return tbl->expected_tpt[rs_index]; + return 0; +} + +/** + * rs_collect_tx_data - Update the success/failure sliding window + * + * We keep a sliding window of the last 62 packets transmitted + * at this rate. window->data contains the bitmask of successful + * packets. + */ +static int rs_collect_tx_data(struct iwl_scale_tbl_info *tbl, + int scale_index, int attempts, int successes) +{ + struct iwl_rate_scale_data *window = NULL; + static const u64 mask = (((u64)1) << (IWL_RATE_MAX_WINDOW - 1)); + s32 fail_count, tpt; + + if (scale_index < 0 || scale_index >= IWL_RATE_COUNT) + return -EINVAL; + + /* Select window for current tx bit rate */ + window = &(tbl->win[scale_index]); + + /* Get expected throughput */ + tpt = get_expected_tpt(tbl, scale_index); + + /* + * Keep track of only the latest 62 tx frame attempts in this rate's + * history window; anything older isn't really relevant any more. + * If we have filled up the sliding window, drop the oldest attempt; + * if the oldest attempt (highest bit in bitmap) shows "success", + * subtract "1" from the success counter (this is the main reason + * we keep these bitmaps!). + */ + while (attempts > 0) { + if (window->counter >= IWL_RATE_MAX_WINDOW) { + /* remove earliest */ + window->counter = IWL_RATE_MAX_WINDOW - 1; + + if (window->data & mask) { + window->data &= ~mask; + window->success_counter--; + } + } + + /* Increment frames-attempted counter */ + window->counter++; + + /* Shift bitmap by one frame to throw away oldest history */ + window->data <<= 1; + + /* Mark the most recent #successes attempts as successful */ + if (successes > 0) { + window->success_counter++; + window->data |= 0x1; + successes--; + } + + attempts--; + } + + /* Calculate current success ratio, avoid divide-by-0! */ + if (window->counter > 0) + window->success_ratio = 128 * (100 * window->success_counter) + / window->counter; + else + window->success_ratio = IWL_INVALID_VALUE; + + fail_count = window->counter - window->success_counter; + + /* Calculate average throughput, if we have enough history. */ + if ((fail_count >= IWL_RATE_MIN_FAILURE_TH) || + (window->success_counter >= IWL_RATE_MIN_SUCCESS_TH)) + window->average_tpt = (window->success_ratio * tpt + 64) / 128; + else + window->average_tpt = IWL_INVALID_VALUE; + + /* Tag this window as having been updated */ + window->stamp = jiffies; + + return 0; +} + +/* + * Fill uCode API rate_n_flags field, based on "search" or "active" table. + */ +/* FIXME:RS:remove this function and put the flags statically in the table */ +static u32 rate_n_flags_from_tbl(struct iwl_mvm *mvm, + struct iwl_scale_tbl_info *tbl, + int index, u8 use_green) +{ + u32 rate_n_flags = 0; + + if (is_legacy(tbl->lq_type)) { + rate_n_flags = iwl_rates[index].plcp; + if (index >= IWL_FIRST_CCK_RATE && index <= IWL_LAST_CCK_RATE) + rate_n_flags |= RATE_MCS_CCK_MSK; + } else if (is_Ht(tbl->lq_type)) { + if (index > IWL_LAST_OFDM_RATE) { + IWL_ERR(mvm, "Invalid HT rate index %d\n", index); + index = IWL_LAST_OFDM_RATE; + } + rate_n_flags = RATE_MCS_HT_MSK; + + if (is_siso(tbl->lq_type)) + rate_n_flags |= iwl_rates[index].plcp_siso; + else if (is_mimo2(tbl->lq_type)) + rate_n_flags |= iwl_rates[index].plcp_mimo2; + else + rate_n_flags |= iwl_rates[index].plcp_mimo3; + } else { + IWL_ERR(mvm, "Invalid tbl->lq_type %d\n", tbl->lq_type); + } + + rate_n_flags |= ((tbl->ant_type << RATE_MCS_ANT_POS) & + RATE_MCS_ANT_ABC_MSK); + + if (is_Ht(tbl->lq_type)) { + if (tbl->is_ht40) + rate_n_flags |= RATE_MCS_CHAN_WIDTH_40; + if (tbl->is_SGI) + rate_n_flags |= RATE_MCS_SGI_MSK; + + if (use_green) { + rate_n_flags |= RATE_HT_MCS_GF_MSK; + if (is_siso(tbl->lq_type) && tbl->is_SGI) { + rate_n_flags &= ~RATE_MCS_SGI_MSK; + IWL_ERR(mvm, "GF was set with SGI:SISO\n"); + } + } + } + return rate_n_flags; +} + +/* + * Interpret uCode API's rate_n_flags format, + * fill "search" or "active" tx mode table. + */ +static int rs_get_tbl_info_from_mcs(const u32 rate_n_flags, + enum ieee80211_band band, + struct iwl_scale_tbl_info *tbl, + int *rate_idx) +{ + u32 ant_msk = (rate_n_flags & RATE_MCS_ANT_ABC_MSK); + u8 num_of_ant = get_num_of_ant_from_rate(rate_n_flags); + u8 mcs; + + memset(tbl, 0, sizeof(struct iwl_scale_tbl_info)); + *rate_idx = iwl_hwrate_to_plcp_idx(rate_n_flags); + + if (*rate_idx == IWL_RATE_INVALID) { + *rate_idx = -1; + return -EINVAL; + } + tbl->is_SGI = 0; /* default legacy setup */ + tbl->is_ht40 = 0; + tbl->ant_type = (ant_msk >> RATE_MCS_ANT_POS); + tbl->lq_type = LQ_NONE; + tbl->max_search = IWL_MAX_SEARCH; + + /* legacy rate format */ + if (!(rate_n_flags & RATE_MCS_HT_MSK)) { + if (num_of_ant == 1) { + if (band == IEEE80211_BAND_5GHZ) + tbl->lq_type = LQ_A; + else + tbl->lq_type = LQ_G; + } + /* HT rate format */ + } else { + if (rate_n_flags & RATE_MCS_SGI_MSK) + tbl->is_SGI = 1; + + if (rate_n_flags & RATE_MCS_CHAN_WIDTH_40) /* TODO */ + tbl->is_ht40 = 1; + + mcs = rs_extract_rate(rate_n_flags); + + /* SISO */ + if (mcs <= IWL_RATE_SISO_60M_PLCP) { + if (num_of_ant == 1) + tbl->lq_type = LQ_SISO; /*else NONE*/ + /* MIMO2 */ + } else if (mcs <= IWL_RATE_MIMO2_60M_PLCP) { + if (num_of_ant == 2) + tbl->lq_type = LQ_MIMO2; + /* MIMO3 */ + } else { + if (num_of_ant == 3) { + tbl->max_search = IWL_MAX_11N_MIMO3_SEARCH; + tbl->lq_type = LQ_MIMO3; + } + } + } + return 0; +} + +/* switch to another antenna/antennas and return 1 */ +/* if no other valid antenna found, return 0 */ +static int rs_toggle_antenna(u32 valid_ant, u32 *rate_n_flags, + struct iwl_scale_tbl_info *tbl) +{ + u8 new_ant_type; + + if (!tbl->ant_type || tbl->ant_type > ANT_ABC) + return 0; + + if (!rs_is_valid_ant(valid_ant, tbl->ant_type)) + return 0; + + new_ant_type = ant_toggle_lookup[tbl->ant_type]; + + while ((new_ant_type != tbl->ant_type) && + !rs_is_valid_ant(valid_ant, new_ant_type)) + new_ant_type = ant_toggle_lookup[new_ant_type]; + + if (new_ant_type == tbl->ant_type) + return 0; + + tbl->ant_type = new_ant_type; + *rate_n_flags &= ~RATE_MCS_ANT_ABC_MSK; + *rate_n_flags |= new_ant_type << RATE_MCS_ANT_POS; + return 1; +} + +/** + * Green-field mode is valid if the station supports it and + * there are no non-GF stations present in the BSS. + */ +static bool rs_use_green(struct ieee80211_sta *sta) +{ + struct iwl_mvm_sta *sta_priv = (void *)sta->drv_priv; + + bool use_green = !(sta_priv->vif->bss_conf.ht_operation_mode & + IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); + + return (sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD) && use_green; +} + +/** + * rs_get_supported_rates - get the available rates + * + * if management frame or broadcast frame only return + * basic available rates. + * + */ +static u16 rs_get_supported_rates(struct iwl_lq_sta *lq_sta, + struct ieee80211_hdr *hdr, + enum iwl_table_type rate_type) +{ + if (is_legacy(rate_type)) { + return lq_sta->active_legacy_rate; + } else { + if (is_siso(rate_type)) + return lq_sta->active_siso_rate; + else if (is_mimo2(rate_type)) + return lq_sta->active_mimo2_rate; + else + return lq_sta->active_mimo3_rate; + } +} + +static u16 rs_get_adjacent_rate(struct iwl_mvm *mvm, u8 index, u16 rate_mask, + int rate_type) +{ + u8 high = IWL_RATE_INVALID; + u8 low = IWL_RATE_INVALID; + + /* 802.11A or ht walks to the next literal adjacent rate in + * the rate table */ + if (is_a_band(rate_type) || !is_legacy(rate_type)) { + int i; + u32 mask; + + /* Find the previous rate that is in the rate mask */ + i = index - 1; + for (mask = (1 << i); i >= 0; i--, mask >>= 1) { + if (rate_mask & mask) { + low = i; + break; + } + } + + /* Find the next rate that is in the rate mask */ + i = index + 1; + for (mask = (1 << i); i < IWL_RATE_COUNT; i++, mask <<= 1) { + if (rate_mask & mask) { + high = i; + break; + } + } + + return (high << 8) | low; + } + + low = index; + while (low != IWL_RATE_INVALID) { + low = iwl_rates[low].prev_rs; + if (low == IWL_RATE_INVALID) + break; + if (rate_mask & (1 << low)) + break; + IWL_DEBUG_RATE(mvm, "Skipping masked lower rate: %d\n", low); + } + + high = index; + while (high != IWL_RATE_INVALID) { + high = iwl_rates[high].next_rs; + if (high == IWL_RATE_INVALID) + break; + if (rate_mask & (1 << high)) + break; + IWL_DEBUG_RATE(mvm, "Skipping masked higher rate: %d\n", high); + } + + return (high << 8) | low; +} + +static u32 rs_get_lower_rate(struct iwl_lq_sta *lq_sta, + struct iwl_scale_tbl_info *tbl, + u8 scale_index, u8 ht_possible) +{ + s32 low; + u16 rate_mask; + u16 high_low; + u8 switch_to_legacy = 0; + u8 is_green = lq_sta->is_green; + struct iwl_mvm *mvm = lq_sta->drv; + + /* check if we need to switch from HT to legacy rates. + * assumption is that mandatory rates (1Mbps or 6Mbps) + * are always supported (spec demand) */ + if (!is_legacy(tbl->lq_type) && (!ht_possible || !scale_index)) { + switch_to_legacy = 1; + scale_index = rs_ht_to_legacy[scale_index]; + if (lq_sta->band == IEEE80211_BAND_5GHZ) + tbl->lq_type = LQ_A; + else + tbl->lq_type = LQ_G; + + if (num_of_ant(tbl->ant_type) > 1) + tbl->ant_type = + first_antenna(mvm->nvm_data->valid_tx_ant); + + tbl->is_ht40 = 0; + tbl->is_SGI = 0; + tbl->max_search = IWL_MAX_SEARCH; + } + + rate_mask = rs_get_supported_rates(lq_sta, NULL, tbl->lq_type); + + /* Mask with station rate restriction */ + if (is_legacy(tbl->lq_type)) { + /* supp_rates has no CCK bits in A mode */ + if (lq_sta->band == IEEE80211_BAND_5GHZ) + rate_mask = (u16)(rate_mask & + (lq_sta->supp_rates << IWL_FIRST_OFDM_RATE)); + else + rate_mask = (u16)(rate_mask & lq_sta->supp_rates); + } + + /* If we switched from HT to legacy, check current rate */ + if (switch_to_legacy && (rate_mask & (1 << scale_index))) { + low = scale_index; + goto out; + } + + high_low = rs_get_adjacent_rate(lq_sta->drv, scale_index, rate_mask, + tbl->lq_type); + low = high_low & 0xff; + + if (low == IWL_RATE_INVALID) + low = scale_index; + +out: + return rate_n_flags_from_tbl(lq_sta->drv, tbl, low, is_green); +} + +/* + * Simple function to compare two rate scale table types + */ +static bool table_type_matches(struct iwl_scale_tbl_info *a, + struct iwl_scale_tbl_info *b) +{ + return (a->lq_type == b->lq_type) && (a->ant_type == b->ant_type) && + (a->is_SGI == b->is_SGI); +} + +/* + * mac80211 sends us Tx status + */ +static void rs_tx_status(void *mvm_r, struct ieee80211_supported_band *sband, + struct ieee80211_sta *sta, void *priv_sta, + struct sk_buff *skb) +{ + int legacy_success; + int retries; + int rs_index, mac_index, i; + struct iwl_lq_sta *lq_sta = priv_sta; + struct iwl_lq_cmd *table; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct iwl_op_mode *op_mode = (struct iwl_op_mode *)mvm_r; + struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + enum mac80211_rate_control_flags mac_flags; + u32 tx_rate; + struct iwl_scale_tbl_info tbl_type; + struct iwl_scale_tbl_info *curr_tbl, *other_tbl, *tmp_tbl; + + IWL_DEBUG_RATE_LIMIT(mvm, + "get frame ack response, update rate scale window\n"); + + /* Treat uninitialized rate scaling data same as non-existing. */ + if (!lq_sta) { + IWL_DEBUG_RATE(mvm, "Station rate scaling not created yet.\n"); + return; + } else if (!lq_sta->drv) { + IWL_DEBUG_RATE(mvm, "Rate scaling not initialized yet.\n"); + return; + } + + if (!ieee80211_is_data(hdr->frame_control) || + info->flags & IEEE80211_TX_CTL_NO_ACK) + return; + + /* This packet was aggregated but doesn't carry status info */ + if ((info->flags & IEEE80211_TX_CTL_AMPDU) && + !(info->flags & IEEE80211_TX_STAT_AMPDU)) + return; + + /* + * Ignore this Tx frame response if its initial rate doesn't match + * that of latest Link Quality command. There may be stragglers + * from a previous Link Quality command, but we're no longer interested + * in those; they're either from the "active" mode while we're trying + * to check "search" mode, or a prior "search" mode after we've moved + * to a new "search" mode (which might become the new "active" mode). + */ + table = &lq_sta->lq; + tx_rate = le32_to_cpu(table->rs_table[0]); + rs_get_tbl_info_from_mcs(tx_rate, info->band, &tbl_type, &rs_index); + if (info->band == IEEE80211_BAND_5GHZ) + rs_index -= IWL_FIRST_OFDM_RATE; + mac_flags = info->status.rates[0].flags; + mac_index = info->status.rates[0].idx; + /* For HT packets, map MCS to PLCP */ + if (mac_flags & IEEE80211_TX_RC_MCS) { + /* Remove # of streams */ + mac_index &= RATE_HT_MCS_RATE_CODE_MSK; + if (mac_index >= (IWL_RATE_9M_INDEX - IWL_FIRST_OFDM_RATE)) + mac_index++; + /* + * mac80211 HT index is always zero-indexed; we need to move + * HT OFDM rates after CCK rates in 2.4 GHz band + */ + if (info->band == IEEE80211_BAND_2GHZ) + mac_index += IWL_FIRST_OFDM_RATE; + } + /* Here we actually compare this rate to the latest LQ command */ + if ((mac_index < 0) || + (tbl_type.is_SGI != !!(mac_flags & IEEE80211_TX_RC_SHORT_GI)) || + (tbl_type.is_ht40 != !!(mac_flags & IEEE80211_TX_RC_40_MHZ_WIDTH)) || + (tbl_type.ant_type != info->status.antenna) || + (!!(tx_rate & RATE_MCS_HT_MSK) != + !!(mac_flags & IEEE80211_TX_RC_MCS)) || + (!!(tx_rate & RATE_HT_MCS_GF_MSK) != + !!(mac_flags & IEEE80211_TX_RC_GREEN_FIELD)) || + (rs_index != mac_index)) { + IWL_DEBUG_RATE(mvm, + "initial rate %d does not match %d (0x%x)\n", + mac_index, rs_index, tx_rate); + /* + * Since rates mis-match, the last LQ command may have failed. + * After IWL_MISSED_RATE_MAX mis-matches, resync the uCode with + * ... driver. + */ + lq_sta->missed_rate_counter++; + if (lq_sta->missed_rate_counter > IWL_MISSED_RATE_MAX) { + lq_sta->missed_rate_counter = 0; + iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq, CMD_ASYNC, false); + } + /* Regardless, ignore this status info for outdated rate */ + return; + } else + /* Rate did match, so reset the missed_rate_counter */ + lq_sta->missed_rate_counter = 0; + + /* Figure out if rate scale algorithm is in active or search table */ + if (table_type_matches(&tbl_type, + &(lq_sta->lq_info[lq_sta->active_tbl]))) { + curr_tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); + other_tbl = &(lq_sta->lq_info[1 - lq_sta->active_tbl]); + } else if (table_type_matches( + &tbl_type, &lq_sta->lq_info[1 - lq_sta->active_tbl])) { + curr_tbl = &(lq_sta->lq_info[1 - lq_sta->active_tbl]); + other_tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); + } else { + IWL_DEBUG_RATE(mvm, + "Neither active nor search matches tx rate\n"); + tmp_tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); + IWL_DEBUG_RATE(mvm, "active- lq:%x, ant:%x, SGI:%d\n", + tmp_tbl->lq_type, tmp_tbl->ant_type, + tmp_tbl->is_SGI); + tmp_tbl = &(lq_sta->lq_info[1 - lq_sta->active_tbl]); + IWL_DEBUG_RATE(mvm, "search- lq:%x, ant:%x, SGI:%d\n", + tmp_tbl->lq_type, tmp_tbl->ant_type, + tmp_tbl->is_SGI); + IWL_DEBUG_RATE(mvm, "actual- lq:%x, ant:%x, SGI:%d\n", + tbl_type.lq_type, tbl_type.ant_type, + tbl_type.is_SGI); + /* + * no matching table found, let's by-pass the data collection + * and continue to perform rate scale to find the rate table + */ + rs_stay_in_table(lq_sta, true); + goto done; + } + + /* + * Updating the frame history depends on whether packets were + * aggregated. + * + * For aggregation, all packets were transmitted at the same rate, the + * first index into rate scale table. + */ + if (info->flags & IEEE80211_TX_STAT_AMPDU) { + tx_rate = le32_to_cpu(table->rs_table[0]); + rs_get_tbl_info_from_mcs(tx_rate, info->band, &tbl_type, + &rs_index); + rs_collect_tx_data(curr_tbl, rs_index, + info->status.ampdu_len, + info->status.ampdu_ack_len); + + /* Update success/fail counts if not searching for new mode */ + if (lq_sta->stay_in_tbl) { + lq_sta->total_success += info->status.ampdu_ack_len; + lq_sta->total_failed += (info->status.ampdu_len - + info->status.ampdu_ack_len); + } + } else { + /* + * For legacy, update frame history with for each Tx retry. + */ + retries = info->status.rates[0].count - 1; + /* HW doesn't send more than 15 retries */ + retries = min(retries, 15); + + /* The last transmission may have been successful */ + legacy_success = !!(info->flags & IEEE80211_TX_STAT_ACK); + /* Collect data for each rate used during failed TX attempts */ + for (i = 0; i <= retries; ++i) { + tx_rate = le32_to_cpu(table->rs_table[i]); + rs_get_tbl_info_from_mcs(tx_rate, info->band, + &tbl_type, &rs_index); + /* + * Only collect stats if retried rate is in the same RS + * table as active/search. + */ + if (table_type_matches(&tbl_type, curr_tbl)) + tmp_tbl = curr_tbl; + else if (table_type_matches(&tbl_type, other_tbl)) + tmp_tbl = other_tbl; + else + continue; + rs_collect_tx_data(tmp_tbl, rs_index, 1, + i < retries ? 0 : legacy_success); + } + + /* Update success/fail counts if not searching for new mode */ + if (lq_sta->stay_in_tbl) { + lq_sta->total_success += legacy_success; + lq_sta->total_failed += retries + (1 - legacy_success); + } + } + /* The last TX rate is cached in lq_sta; it's set in if/else above */ + lq_sta->last_rate_n_flags = tx_rate; +done: + /* See if there's a better rate or modulation mode to try. */ + if (sta && sta->supp_rates[sband->band]) + rs_rate_scale_perform(mvm, skb, sta, lq_sta); +} + +/* + * Begin a period of staying with a selected modulation mode. + * Set "stay_in_tbl" flag to prevent any mode switches. + * Set frame tx success limits according to legacy vs. high-throughput, + * and reset overall (spanning all rates) tx success history statistics. + * These control how long we stay using same modulation mode before + * searching for a new mode. + */ +static void rs_set_stay_in_table(struct iwl_mvm *mvm, u8 is_legacy, + struct iwl_lq_sta *lq_sta) +{ + IWL_DEBUG_RATE(mvm, "we are staying in the same table\n"); + lq_sta->stay_in_tbl = 1; /* only place this gets set */ + if (is_legacy) { + lq_sta->table_count_limit = IWL_LEGACY_TABLE_COUNT; + lq_sta->max_failure_limit = IWL_LEGACY_FAILURE_LIMIT; + lq_sta->max_success_limit = IWL_LEGACY_SUCCESS_LIMIT; + } else { + lq_sta->table_count_limit = IWL_NONE_LEGACY_TABLE_COUNT; + lq_sta->max_failure_limit = IWL_NONE_LEGACY_FAILURE_LIMIT; + lq_sta->max_success_limit = IWL_NONE_LEGACY_SUCCESS_LIMIT; + } + lq_sta->table_count = 0; + lq_sta->total_failed = 0; + lq_sta->total_success = 0; + lq_sta->flush_timer = jiffies; + lq_sta->action_counter = 0; +} + +/* + * Find correct throughput table for given mode of modulation + */ +static void rs_set_expected_tpt_table(struct iwl_lq_sta *lq_sta, + struct iwl_scale_tbl_info *tbl) +{ + /* Used to choose among HT tables */ + s32 (*ht_tbl_pointer)[IWL_RATE_COUNT]; + + /* Check for invalid LQ type */ + if (WARN_ON_ONCE(!is_legacy(tbl->lq_type) && !is_Ht(tbl->lq_type))) { + tbl->expected_tpt = expected_tpt_legacy; + return; + } + + /* Legacy rates have only one table */ + if (is_legacy(tbl->lq_type)) { + tbl->expected_tpt = expected_tpt_legacy; + return; + } + + /* Choose among many HT tables depending on number of streams + * (SISO/MIMO2/MIMO3), channel width (20/40), SGI, and aggregation + * status */ + if (is_siso(tbl->lq_type) && !tbl->is_ht40) + ht_tbl_pointer = expected_tpt_siso20MHz; + else if (is_siso(tbl->lq_type)) + ht_tbl_pointer = expected_tpt_siso40MHz; + else if (is_mimo2(tbl->lq_type) && !tbl->is_ht40) + ht_tbl_pointer = expected_tpt_mimo2_20MHz; + else if (is_mimo2(tbl->lq_type)) + ht_tbl_pointer = expected_tpt_mimo2_40MHz; + else if (is_mimo3(tbl->lq_type) && !tbl->is_ht40) + ht_tbl_pointer = expected_tpt_mimo3_20MHz; + else /* if (is_mimo3(tbl->lq_type)) <-- must be true */ + ht_tbl_pointer = expected_tpt_mimo3_40MHz; + + if (!tbl->is_SGI && !lq_sta->is_agg) /* Normal */ + tbl->expected_tpt = ht_tbl_pointer[0]; + else if (tbl->is_SGI && !lq_sta->is_agg) /* SGI */ + tbl->expected_tpt = ht_tbl_pointer[1]; + else if (!tbl->is_SGI && lq_sta->is_agg) /* AGG */ + tbl->expected_tpt = ht_tbl_pointer[2]; + else /* AGG+SGI */ + tbl->expected_tpt = ht_tbl_pointer[3]; +} + +/* + * Find starting rate for new "search" high-throughput mode of modulation. + * Goal is to find lowest expected rate (under perfect conditions) that is + * above the current measured throughput of "active" mode, to give new mode + * a fair chance to prove itself without too many challenges. + * + * This gets called when transitioning to more aggressive modulation + * (i.e. legacy to SISO or MIMO, or SISO to MIMO), as well as less aggressive + * (i.e. MIMO to SISO). When moving to MIMO, bit rate will typically need + * to decrease to match "active" throughput. When moving from MIMO to SISO, + * bit rate will typically need to increase, but not if performance was bad. + */ +static s32 rs_get_best_rate(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta, + struct iwl_scale_tbl_info *tbl, /* "search" */ + u16 rate_mask, s8 index) +{ + /* "active" values */ + struct iwl_scale_tbl_info *active_tbl = + &(lq_sta->lq_info[lq_sta->active_tbl]); + s32 active_sr = active_tbl->win[index].success_ratio; + s32 active_tpt = active_tbl->expected_tpt[index]; + + /* expected "search" throughput */ + s32 *tpt_tbl = tbl->expected_tpt; + + s32 new_rate, high, low, start_hi; + u16 high_low; + s8 rate = index; + + new_rate = high = low = start_hi = IWL_RATE_INVALID; + + while (1) { + high_low = rs_get_adjacent_rate(mvm, rate, rate_mask, + tbl->lq_type); + + low = high_low & 0xff; + high = (high_low >> 8) & 0xff; + + /* + * Lower the "search" bit rate, to give new "search" mode + * approximately the same throughput as "active" if: + * + * 1) "Active" mode has been working modestly well (but not + * great), and expected "search" throughput (under perfect + * conditions) at candidate rate is above the actual + * measured "active" throughput (but less than expected + * "active" throughput under perfect conditions). + * OR + * 2) "Active" mode has been working perfectly or very well + * and expected "search" throughput (under perfect + * conditions) at candidate rate is above expected + * "active" throughput (under perfect conditions). + */ + if ((((100 * tpt_tbl[rate]) > lq_sta->last_tpt) && + ((active_sr > IWL_RATE_DECREASE_TH) && + (active_sr <= IWL_RATE_HIGH_TH) && + (tpt_tbl[rate] <= active_tpt))) || + ((active_sr >= IWL_RATE_SCALE_SWITCH) && + (tpt_tbl[rate] > active_tpt))) { + /* (2nd or later pass) + * If we've already tried to raise the rate, and are + * now trying to lower it, use the higher rate. */ + if (start_hi != IWL_RATE_INVALID) { + new_rate = start_hi; + break; + } + + new_rate = rate; + + /* Loop again with lower rate */ + if (low != IWL_RATE_INVALID) + rate = low; + + /* Lower rate not available, use the original */ + else + break; + + /* Else try to raise the "search" rate to match "active" */ + } else { + /* (2nd or later pass) + * If we've already tried to lower the rate, and are + * now trying to raise it, use the lower rate. */ + if (new_rate != IWL_RATE_INVALID) + break; + + /* Loop again with higher rate */ + else if (high != IWL_RATE_INVALID) { + start_hi = high; + rate = high; + + /* Higher rate not available, use the original */ + } else { + new_rate = rate; + break; + } + } + } + + return new_rate; +} + +static bool iwl_is_ht40_tx_allowed(struct iwl_mvm *mvm, + struct ieee80211_sta_ht_cap *ht_cap) +{ + /* + * Remainder of this function checks ht_cap, but if it's + * NULL then we can do HT40 (special case for RXON) + */ + if (!ht_cap) + return true; + + if (!ht_cap->ht_supported) + return false; + + if (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) + return false; + + return true; +} + +/* + * Set up search table for MIMO2 + */ +static int rs_switch_to_mimo2(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta, + struct ieee80211_sta *sta, + struct iwl_scale_tbl_info *tbl, int index) +{ + u16 rate_mask; + s32 rate; + s8 is_green = lq_sta->is_green; + + if (!sta->ht_cap.ht_supported) + return -1; + + if (((sta->ht_cap.cap & IEEE80211_HT_CAP_SM_PS) >> 2) + == WLAN_HT_CAP_SM_PS_STATIC) + return -1; + + /* Need both Tx chains/antennas to support MIMO */ + if (num_of_ant(mvm->nvm_data->valid_tx_ant) < 2) + return -1; + + IWL_DEBUG_RATE(mvm, "LQ: try to switch to MIMO2\n"); + + tbl->lq_type = LQ_MIMO2; + tbl->action = 0; + tbl->max_search = IWL_MAX_SEARCH; + rate_mask = lq_sta->active_mimo2_rate; + + if (iwl_is_ht40_tx_allowed(mvm, &sta->ht_cap)) + tbl->is_ht40 = 1; + else + tbl->is_ht40 = 0; + + rs_set_expected_tpt_table(lq_sta, tbl); + + rate = rs_get_best_rate(mvm, lq_sta, tbl, rate_mask, index); + + IWL_DEBUG_RATE(mvm, "LQ: MIMO2 best rate %d mask %X\n", + rate, rate_mask); + if ((rate == IWL_RATE_INVALID) || !((1 << rate) & rate_mask)) { + IWL_DEBUG_RATE(mvm, "Can't switch with index %d rate mask %x\n", + rate, rate_mask); + return -1; + } + tbl->current_rate = rate_n_flags_from_tbl(mvm, tbl, rate, is_green); + + IWL_DEBUG_RATE(mvm, "LQ: Switch to new mcs %X index is green %X\n", + tbl->current_rate, is_green); + return 0; +} + +/* + * Set up search table for MIMO3 + */ +static int rs_switch_to_mimo3(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta, + struct ieee80211_sta *sta, + struct iwl_scale_tbl_info *tbl, int index) +{ + u16 rate_mask; + s32 rate; + s8 is_green = lq_sta->is_green; + + if (!sta->ht_cap.ht_supported) + return -1; + + if (((sta->ht_cap.cap & IEEE80211_HT_CAP_SM_PS) >> 2) + == WLAN_HT_CAP_SM_PS_STATIC) + return -1; + + /* Need both Tx chains/antennas to support MIMO */ + if (num_of_ant(mvm->nvm_data->valid_tx_ant) < 3) + return -1; + + IWL_DEBUG_RATE(mvm, "LQ: try to switch to MIMO3\n"); + + tbl->lq_type = LQ_MIMO3; + tbl->action = 0; + tbl->max_search = IWL_MAX_11N_MIMO3_SEARCH; + rate_mask = lq_sta->active_mimo3_rate; + + if (iwl_is_ht40_tx_allowed(mvm, &sta->ht_cap)) + tbl->is_ht40 = 1; + else + tbl->is_ht40 = 0; + + rs_set_expected_tpt_table(lq_sta, tbl); + + rate = rs_get_best_rate(mvm, lq_sta, tbl, rate_mask, index); + + IWL_DEBUG_RATE(mvm, "LQ: MIMO3 best rate %d mask %X\n", + rate, rate_mask); + if ((rate == IWL_RATE_INVALID) || !((1 << rate) & rate_mask)) { + IWL_DEBUG_RATE(mvm, "Can't switch with index %d rate mask %x\n", + rate, rate_mask); + return -1; + } + tbl->current_rate = rate_n_flags_from_tbl(mvm, tbl, rate, is_green); + + IWL_DEBUG_RATE(mvm, "LQ: Switch to new mcs %X index is green %X\n", + tbl->current_rate, is_green); + return 0; +} + +/* + * Set up search table for SISO + */ +static int rs_switch_to_siso(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta, + struct ieee80211_sta *sta, + struct iwl_scale_tbl_info *tbl, int index) +{ + u16 rate_mask; + u8 is_green = lq_sta->is_green; + s32 rate; + + if (!sta->ht_cap.ht_supported) + return -1; + + IWL_DEBUG_RATE(mvm, "LQ: try to switch to SISO\n"); + + tbl->lq_type = LQ_SISO; + tbl->action = 0; + tbl->max_search = IWL_MAX_SEARCH; + rate_mask = lq_sta->active_siso_rate; + + if (iwl_is_ht40_tx_allowed(mvm, &sta->ht_cap)) + tbl->is_ht40 = 1; + else + tbl->is_ht40 = 0; + + if (is_green) + tbl->is_SGI = 0; /*11n spec: no SGI in SISO+Greenfield*/ + + rs_set_expected_tpt_table(lq_sta, tbl); + rate = rs_get_best_rate(mvm, lq_sta, tbl, rate_mask, index); + + IWL_DEBUG_RATE(mvm, "LQ: get best rate %d mask %X\n", rate, rate_mask); + if ((rate == IWL_RATE_INVALID) || !((1 << rate) & rate_mask)) { + IWL_DEBUG_RATE(mvm, + "can not switch with index %d rate mask %x\n", + rate, rate_mask); + return -1; + } + tbl->current_rate = rate_n_flags_from_tbl(mvm, tbl, rate, is_green); + IWL_DEBUG_RATE(mvm, "LQ: Switch to new mcs %X index is green %X\n", + tbl->current_rate, is_green); + return 0; +} + +/* + * Try to switch to new modulation mode from legacy + */ +static int rs_move_legacy_other(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta, + struct ieee80211_sta *sta, + int index) +{ + struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); + struct iwl_scale_tbl_info *search_tbl = + &(lq_sta->lq_info[(1 - lq_sta->active_tbl)]); + struct iwl_rate_scale_data *window = &(tbl->win[index]); + u32 sz = (sizeof(struct iwl_scale_tbl_info) - + (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT)); + u8 start_action; + u8 valid_tx_ant = mvm->nvm_data->valid_tx_ant; + u8 tx_chains_num = num_of_ant(valid_tx_ant); + int ret; + u8 update_search_tbl_counter = 0; + + start_action = tbl->action; + while (1) { + lq_sta->action_counter++; + switch (tbl->action) { + case IWL_LEGACY_SWITCH_ANTENNA1: + case IWL_LEGACY_SWITCH_ANTENNA2: + IWL_DEBUG_RATE(mvm, "LQ: Legacy toggle Antenna\n"); + + if ((tbl->action == IWL_LEGACY_SWITCH_ANTENNA1 && + tx_chains_num <= 1) || + (tbl->action == IWL_LEGACY_SWITCH_ANTENNA2 && + tx_chains_num <= 2)) + break; + + /* Don't change antenna if success has been great */ + if (window->success_ratio >= IWL_RS_GOOD_RATIO) + break; + + /* Set up search table to try other antenna */ + memcpy(search_tbl, tbl, sz); + + if (rs_toggle_antenna(valid_tx_ant, + &search_tbl->current_rate, + search_tbl)) { + update_search_tbl_counter = 1; + rs_set_expected_tpt_table(lq_sta, search_tbl); + goto out; + } + break; + case IWL_LEGACY_SWITCH_SISO: + IWL_DEBUG_RATE(mvm, "LQ: Legacy switch to SISO\n"); + + /* Set up search table to try SISO */ + memcpy(search_tbl, tbl, sz); + search_tbl->is_SGI = 0; + ret = rs_switch_to_siso(mvm, lq_sta, sta, + search_tbl, index); + if (!ret) { + lq_sta->action_counter = 0; + goto out; + } + + break; + case IWL_LEGACY_SWITCH_MIMO2_AB: + case IWL_LEGACY_SWITCH_MIMO2_AC: + case IWL_LEGACY_SWITCH_MIMO2_BC: + IWL_DEBUG_RATE(mvm, "LQ: Legacy switch to MIMO2\n"); + + /* Set up search table to try MIMO */ + memcpy(search_tbl, tbl, sz); + search_tbl->is_SGI = 0; + + if (tbl->action == IWL_LEGACY_SWITCH_MIMO2_AB) + search_tbl->ant_type = ANT_AB; + else if (tbl->action == IWL_LEGACY_SWITCH_MIMO2_AC) + search_tbl->ant_type = ANT_AC; + else + search_tbl->ant_type = ANT_BC; + + if (!rs_is_valid_ant(valid_tx_ant, + search_tbl->ant_type)) + break; + + ret = rs_switch_to_mimo2(mvm, lq_sta, sta, + search_tbl, index); + if (!ret) { + lq_sta->action_counter = 0; + goto out; + } + break; + + case IWL_LEGACY_SWITCH_MIMO3_ABC: + IWL_DEBUG_RATE(mvm, "LQ: Legacy switch to MIMO3\n"); + + /* Set up search table to try MIMO3 */ + memcpy(search_tbl, tbl, sz); + search_tbl->is_SGI = 0; + + search_tbl->ant_type = ANT_ABC; + + if (!rs_is_valid_ant(valid_tx_ant, + search_tbl->ant_type)) + break; + + ret = rs_switch_to_mimo3(mvm, lq_sta, sta, + search_tbl, index); + if (!ret) { + lq_sta->action_counter = 0; + goto out; + } + break; + } + tbl->action++; + if (tbl->action > IWL_LEGACY_SWITCH_MIMO3_ABC) + tbl->action = IWL_LEGACY_SWITCH_ANTENNA1; + + if (tbl->action == start_action) + break; + } + search_tbl->lq_type = LQ_NONE; + return 0; + +out: + lq_sta->search_better_tbl = 1; + tbl->action++; + if (tbl->action > IWL_LEGACY_SWITCH_MIMO3_ABC) + tbl->action = IWL_LEGACY_SWITCH_ANTENNA1; + if (update_search_tbl_counter) + search_tbl->action = tbl->action; + return 0; +} + +/* + * Try to switch to new modulation mode from SISO + */ +static int rs_move_siso_to_other(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta, + struct ieee80211_sta *sta, int index) +{ + u8 is_green = lq_sta->is_green; + struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); + struct iwl_scale_tbl_info *search_tbl = + &(lq_sta->lq_info[(1 - lq_sta->active_tbl)]); + struct iwl_rate_scale_data *window = &(tbl->win[index]); + struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; + u32 sz = (sizeof(struct iwl_scale_tbl_info) - + (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT)); + u8 start_action; + u8 valid_tx_ant = mvm->nvm_data->valid_tx_ant; + u8 tx_chains_num = num_of_ant(valid_tx_ant); + u8 update_search_tbl_counter = 0; + int ret; + + start_action = tbl->action; + while (1) { + lq_sta->action_counter++; + switch (tbl->action) { + case IWL_SISO_SWITCH_ANTENNA1: + case IWL_SISO_SWITCH_ANTENNA2: + IWL_DEBUG_RATE(mvm, "LQ: SISO toggle Antenna\n"); + if ((tbl->action == IWL_SISO_SWITCH_ANTENNA1 && + tx_chains_num <= 1) || + (tbl->action == IWL_SISO_SWITCH_ANTENNA2 && + tx_chains_num <= 2)) + break; + + if (window->success_ratio >= IWL_RS_GOOD_RATIO) + break; + + memcpy(search_tbl, tbl, sz); + if (rs_toggle_antenna(valid_tx_ant, + &search_tbl->current_rate, + search_tbl)) { + update_search_tbl_counter = 1; + goto out; + } + break; + case IWL_SISO_SWITCH_MIMO2_AB: + case IWL_SISO_SWITCH_MIMO2_AC: + case IWL_SISO_SWITCH_MIMO2_BC: + IWL_DEBUG_RATE(mvm, "LQ: SISO switch to MIMO2\n"); + memcpy(search_tbl, tbl, sz); + search_tbl->is_SGI = 0; + + if (tbl->action == IWL_SISO_SWITCH_MIMO2_AB) + search_tbl->ant_type = ANT_AB; + else if (tbl->action == IWL_SISO_SWITCH_MIMO2_AC) + search_tbl->ant_type = ANT_AC; + else + search_tbl->ant_type = ANT_BC; + + if (!rs_is_valid_ant(valid_tx_ant, + search_tbl->ant_type)) + break; + + ret = rs_switch_to_mimo2(mvm, lq_sta, sta, + search_tbl, index); + if (!ret) + goto out; + break; + case IWL_SISO_SWITCH_GI: + if (!tbl->is_ht40 && !(ht_cap->cap & + IEEE80211_HT_CAP_SGI_20)) + break; + if (tbl->is_ht40 && !(ht_cap->cap & + IEEE80211_HT_CAP_SGI_40)) + break; + + IWL_DEBUG_RATE(mvm, "LQ: SISO toggle SGI/NGI\n"); + + memcpy(search_tbl, tbl, sz); + if (is_green) { + if (!tbl->is_SGI) + break; + else + IWL_ERR(mvm, + "SGI was set in GF+SISO\n"); + } + search_tbl->is_SGI = !tbl->is_SGI; + rs_set_expected_tpt_table(lq_sta, search_tbl); + if (tbl->is_SGI) { + s32 tpt = lq_sta->last_tpt / 100; + if (tpt >= search_tbl->expected_tpt[index]) + break; + } + search_tbl->current_rate = + rate_n_flags_from_tbl(mvm, search_tbl, + index, is_green); + update_search_tbl_counter = 1; + goto out; + case IWL_SISO_SWITCH_MIMO3_ABC: + IWL_DEBUG_RATE(mvm, "LQ: SISO switch to MIMO3\n"); + memcpy(search_tbl, tbl, sz); + search_tbl->is_SGI = 0; + search_tbl->ant_type = ANT_ABC; + + if (!rs_is_valid_ant(valid_tx_ant, + search_tbl->ant_type)) + break; + + ret = rs_switch_to_mimo3(mvm, lq_sta, sta, + search_tbl, index); + if (!ret) + goto out; + break; + } + tbl->action++; + if (tbl->action > IWL_LEGACY_SWITCH_MIMO3_ABC) + tbl->action = IWL_SISO_SWITCH_ANTENNA1; + + if (tbl->action == start_action) + break; + } + search_tbl->lq_type = LQ_NONE; + return 0; + + out: + lq_sta->search_better_tbl = 1; + tbl->action++; + if (tbl->action > IWL_SISO_SWITCH_MIMO3_ABC) + tbl->action = IWL_SISO_SWITCH_ANTENNA1; + if (update_search_tbl_counter) + search_tbl->action = tbl->action; + + return 0; +} + +/* + * Try to switch to new modulation mode from MIMO2 + */ +static int rs_move_mimo2_to_other(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta, + struct ieee80211_sta *sta, int index) +{ + s8 is_green = lq_sta->is_green; + struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); + struct iwl_scale_tbl_info *search_tbl = + &(lq_sta->lq_info[(1 - lq_sta->active_tbl)]); + struct iwl_rate_scale_data *window = &(tbl->win[index]); + struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; + u32 sz = (sizeof(struct iwl_scale_tbl_info) - + (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT)); + u8 start_action; + u8 valid_tx_ant = mvm->nvm_data->valid_tx_ant; + u8 tx_chains_num = num_of_ant(valid_tx_ant); + u8 update_search_tbl_counter = 0; + int ret; + + start_action = tbl->action; + while (1) { + lq_sta->action_counter++; + switch (tbl->action) { + case IWL_MIMO2_SWITCH_ANTENNA1: + case IWL_MIMO2_SWITCH_ANTENNA2: + IWL_DEBUG_RATE(mvm, "LQ: MIMO2 toggle Antennas\n"); + + if (tx_chains_num <= 2) + break; + + if (window->success_ratio >= IWL_RS_GOOD_RATIO) + break; + + memcpy(search_tbl, tbl, sz); + if (rs_toggle_antenna(valid_tx_ant, + &search_tbl->current_rate, + search_tbl)) { + update_search_tbl_counter = 1; + goto out; + } + break; + case IWL_MIMO2_SWITCH_SISO_A: + case IWL_MIMO2_SWITCH_SISO_B: + case IWL_MIMO2_SWITCH_SISO_C: + IWL_DEBUG_RATE(mvm, "LQ: MIMO2 switch to SISO\n"); + + /* Set up new search table for SISO */ + memcpy(search_tbl, tbl, sz); + + if (tbl->action == IWL_MIMO2_SWITCH_SISO_A) + search_tbl->ant_type = ANT_A; + else if (tbl->action == IWL_MIMO2_SWITCH_SISO_B) + search_tbl->ant_type = ANT_B; + else + search_tbl->ant_type = ANT_C; + + if (!rs_is_valid_ant(valid_tx_ant, + search_tbl->ant_type)) + break; + + ret = rs_switch_to_siso(mvm, lq_sta, sta, + search_tbl, index); + if (!ret) + goto out; + + break; + + case IWL_MIMO2_SWITCH_GI: + if (!tbl->is_ht40 && !(ht_cap->cap & + IEEE80211_HT_CAP_SGI_20)) + break; + if (tbl->is_ht40 && !(ht_cap->cap & + IEEE80211_HT_CAP_SGI_40)) + break; + + IWL_DEBUG_RATE(mvm, "LQ: MIMO2 toggle SGI/NGI\n"); + + /* Set up new search table for MIMO2 */ + memcpy(search_tbl, tbl, sz); + search_tbl->is_SGI = !tbl->is_SGI; + rs_set_expected_tpt_table(lq_sta, search_tbl); + /* + * If active table already uses the fastest possible + * modulation (dual stream with short guard interval), + * and it's working well, there's no need to look + * for a better type of modulation! + */ + if (tbl->is_SGI) { + s32 tpt = lq_sta->last_tpt / 100; + if (tpt >= search_tbl->expected_tpt[index]) + break; + } + search_tbl->current_rate = + rate_n_flags_from_tbl(mvm, search_tbl, + index, is_green); + update_search_tbl_counter = 1; + goto out; + + case IWL_MIMO2_SWITCH_MIMO3_ABC: + IWL_DEBUG_RATE(mvm, "LQ: MIMO2 switch to MIMO3\n"); + memcpy(search_tbl, tbl, sz); + search_tbl->is_SGI = 0; + search_tbl->ant_type = ANT_ABC; + + if (!rs_is_valid_ant(valid_tx_ant, + search_tbl->ant_type)) + break; + + ret = rs_switch_to_mimo3(mvm, lq_sta, sta, + search_tbl, index); + if (!ret) + goto out; + + break; + } + tbl->action++; + if (tbl->action > IWL_MIMO2_SWITCH_MIMO3_ABC) + tbl->action = IWL_MIMO2_SWITCH_ANTENNA1; + + if (tbl->action == start_action) + break; + } + search_tbl->lq_type = LQ_NONE; + return 0; + out: + lq_sta->search_better_tbl = 1; + tbl->action++; + if (tbl->action > IWL_MIMO2_SWITCH_MIMO3_ABC) + tbl->action = IWL_MIMO2_SWITCH_ANTENNA1; + if (update_search_tbl_counter) + search_tbl->action = tbl->action; + + return 0; +} + +/* + * Try to switch to new modulation mode from MIMO3 + */ +static int rs_move_mimo3_to_other(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta, + struct ieee80211_sta *sta, int index) +{ + s8 is_green = lq_sta->is_green; + struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); + struct iwl_scale_tbl_info *search_tbl = + &(lq_sta->lq_info[(1 - lq_sta->active_tbl)]); + struct iwl_rate_scale_data *window = &(tbl->win[index]); + struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; + u32 sz = (sizeof(struct iwl_scale_tbl_info) - + (sizeof(struct iwl_rate_scale_data) * IWL_RATE_COUNT)); + u8 start_action; + u8 valid_tx_ant = mvm->nvm_data->valid_tx_ant; + u8 tx_chains_num = num_of_ant(valid_tx_ant); + int ret; + u8 update_search_tbl_counter = 0; + + start_action = tbl->action; + while (1) { + lq_sta->action_counter++; + switch (tbl->action) { + case IWL_MIMO3_SWITCH_ANTENNA1: + case IWL_MIMO3_SWITCH_ANTENNA2: + IWL_DEBUG_RATE(mvm, "LQ: MIMO3 toggle Antennas\n"); + + if (tx_chains_num <= 3) + break; + + if (window->success_ratio >= IWL_RS_GOOD_RATIO) + break; + + memcpy(search_tbl, tbl, sz); + if (rs_toggle_antenna(valid_tx_ant, + &search_tbl->current_rate, + search_tbl)) + goto out; + break; + case IWL_MIMO3_SWITCH_SISO_A: + case IWL_MIMO3_SWITCH_SISO_B: + case IWL_MIMO3_SWITCH_SISO_C: + IWL_DEBUG_RATE(mvm, "LQ: MIMO3 switch to SISO\n"); + + /* Set up new search table for SISO */ + memcpy(search_tbl, tbl, sz); + + if (tbl->action == IWL_MIMO3_SWITCH_SISO_A) + search_tbl->ant_type = ANT_A; + else if (tbl->action == IWL_MIMO3_SWITCH_SISO_B) + search_tbl->ant_type = ANT_B; + else + search_tbl->ant_type = ANT_C; + + if (!rs_is_valid_ant(valid_tx_ant, + search_tbl->ant_type)) + break; + + ret = rs_switch_to_siso(mvm, lq_sta, sta, + search_tbl, index); + if (!ret) + goto out; + + break; + + case IWL_MIMO3_SWITCH_MIMO2_AB: + case IWL_MIMO3_SWITCH_MIMO2_AC: + case IWL_MIMO3_SWITCH_MIMO2_BC: + IWL_DEBUG_RATE(mvm, "LQ: MIMO3 switch to MIMO2\n"); + + memcpy(search_tbl, tbl, sz); + search_tbl->is_SGI = 0; + if (tbl->action == IWL_MIMO3_SWITCH_MIMO2_AB) + search_tbl->ant_type = ANT_AB; + else if (tbl->action == IWL_MIMO3_SWITCH_MIMO2_AC) + search_tbl->ant_type = ANT_AC; + else + search_tbl->ant_type = ANT_BC; + + if (!rs_is_valid_ant(valid_tx_ant, + search_tbl->ant_type)) + break; + + ret = rs_switch_to_mimo2(mvm, lq_sta, sta, + search_tbl, index); + if (!ret) + goto out; + + break; + + case IWL_MIMO3_SWITCH_GI: + if (!tbl->is_ht40 && !(ht_cap->cap & + IEEE80211_HT_CAP_SGI_20)) + break; + if (tbl->is_ht40 && !(ht_cap->cap & + IEEE80211_HT_CAP_SGI_40)) + break; + + IWL_DEBUG_RATE(mvm, "LQ: MIMO3 toggle SGI/NGI\n"); + + /* Set up new search table for MIMO */ + memcpy(search_tbl, tbl, sz); + search_tbl->is_SGI = !tbl->is_SGI; + rs_set_expected_tpt_table(lq_sta, search_tbl); + /* + * If active table already uses the fastest possible + * modulation (dual stream with short guard interval), + * and it's working well, there's no need to look + * for a better type of modulation! + */ + if (tbl->is_SGI) { + s32 tpt = lq_sta->last_tpt / 100; + if (tpt >= search_tbl->expected_tpt[index]) + break; + } + search_tbl->current_rate = + rate_n_flags_from_tbl(mvm, search_tbl, + index, is_green); + update_search_tbl_counter = 1; + goto out; + } + tbl->action++; + if (tbl->action > IWL_MIMO3_SWITCH_GI) + tbl->action = IWL_MIMO3_SWITCH_ANTENNA1; + + if (tbl->action == start_action) + break; + } + search_tbl->lq_type = LQ_NONE; + return 0; + out: + lq_sta->search_better_tbl = 1; + tbl->action++; + if (tbl->action > IWL_MIMO3_SWITCH_GI) + tbl->action = IWL_MIMO3_SWITCH_ANTENNA1; + if (update_search_tbl_counter) + search_tbl->action = tbl->action; + + return 0; +} + +/* + * Check whether we should continue using same modulation mode, or + * begin search for a new mode, based on: + * 1) # tx successes or failures while using this mode + * 2) # times calling this function + * 3) elapsed time in this mode (not used, for now) + */ +static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search) +{ + struct iwl_scale_tbl_info *tbl; + int i; + int active_tbl; + int flush_interval_passed = 0; + struct iwl_mvm *mvm; + + mvm = lq_sta->drv; + active_tbl = lq_sta->active_tbl; + + tbl = &(lq_sta->lq_info[active_tbl]); + + /* If we've been disallowing search, see if we should now allow it */ + if (lq_sta->stay_in_tbl) { + /* Elapsed time using current modulation mode */ + if (lq_sta->flush_timer) + flush_interval_passed = + time_after(jiffies, + (unsigned long)(lq_sta->flush_timer + + IWL_RATE_SCALE_FLUSH_INTVL)); + + /* + * Check if we should allow search for new modulation mode. + * If many frames have failed or succeeded, or we've used + * this same modulation for a long time, allow search, and + * reset history stats that keep track of whether we should + * allow a new search. Also (below) reset all bitmaps and + * stats in active history. + */ + if (force_search || + (lq_sta->total_failed > lq_sta->max_failure_limit) || + (lq_sta->total_success > lq_sta->max_success_limit) || + ((!lq_sta->search_better_tbl) && + (lq_sta->flush_timer) && (flush_interval_passed))) { + IWL_DEBUG_RATE(mvm, + "LQ: stay is expired %d %d %d\n", + lq_sta->total_failed, + lq_sta->total_success, + flush_interval_passed); + + /* Allow search for new mode */ + lq_sta->stay_in_tbl = 0; /* only place reset */ + lq_sta->total_failed = 0; + lq_sta->total_success = 0; + lq_sta->flush_timer = 0; + /* + * Else if we've used this modulation mode enough repetitions + * (regardless of elapsed time or success/failure), reset + * history bitmaps and rate-specific stats for all rates in + * active table. + */ + } else { + lq_sta->table_count++; + if (lq_sta->table_count >= + lq_sta->table_count_limit) { + lq_sta->table_count = 0; + + IWL_DEBUG_RATE(mvm, + "LQ: stay in table clear win\n"); + for (i = 0; i < IWL_RATE_COUNT; i++) + rs_rate_scale_clear_window( + &(tbl->win[i])); + } + } + + /* If transitioning to allow "search", reset all history + * bitmaps and stats in active table (this will become the new + * "search" table). */ + if (!lq_sta->stay_in_tbl) { + for (i = 0; i < IWL_RATE_COUNT; i++) + rs_rate_scale_clear_window(&(tbl->win[i])); + } + } +} + +/* + * setup rate table in uCode + */ +static void rs_update_rate_tbl(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta, + struct iwl_scale_tbl_info *tbl, + int index, u8 is_green) +{ + u32 rate; + + /* Update uCode's rate table. */ + rate = rate_n_flags_from_tbl(mvm, tbl, index, is_green); + rs_fill_link_cmd(mvm, lq_sta, rate); + iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq, CMD_ASYNC, false); +} + +/* + * Do rate scaling and search for new modulation mode. + */ +static void rs_rate_scale_perform(struct iwl_mvm *mvm, + struct sk_buff *skb, + struct ieee80211_sta *sta, + struct iwl_lq_sta *lq_sta) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + int low = IWL_RATE_INVALID; + int high = IWL_RATE_INVALID; + int index; + int i; + struct iwl_rate_scale_data *window = NULL; + int current_tpt = IWL_INVALID_VALUE; + int low_tpt = IWL_INVALID_VALUE; + int high_tpt = IWL_INVALID_VALUE; + u32 fail_count; + s8 scale_action = 0; + u16 rate_mask; + u8 update_lq = 0; + struct iwl_scale_tbl_info *tbl, *tbl1; + u16 rate_scale_index_msk = 0; + u8 is_green = 0; + u8 active_tbl = 0; + u8 done_search = 0; + u16 high_low; + s32 sr; + u8 tid = IWL_MAX_TID_COUNT; + struct iwl_mvm_sta *sta_priv = (void *)sta->drv_priv; + struct iwl_mvm_tid_data *tid_data; + + IWL_DEBUG_RATE(mvm, "rate scale calculate new rate for skb\n"); + + /* Send management frames and NO_ACK data using lowest rate. */ + /* TODO: this could probably be improved.. */ + if (!ieee80211_is_data(hdr->frame_control) || + info->flags & IEEE80211_TX_CTL_NO_ACK) + return; + + lq_sta->supp_rates = sta->supp_rates[lq_sta->band]; + + tid = rs_tl_add_packet(lq_sta, hdr); + if ((tid != IWL_MAX_TID_COUNT) && + (lq_sta->tx_agg_tid_en & (1 << tid))) { + tid_data = &sta_priv->tid_data[tid]; + if (tid_data->state == IWL_AGG_OFF) + lq_sta->is_agg = 0; + else + lq_sta->is_agg = 1; + } else { + lq_sta->is_agg = 0; + } + + /* + * Select rate-scale / modulation-mode table to work with in + * the rest of this function: "search" if searching for better + * modulation mode, or "active" if doing rate scaling within a mode. + */ + if (!lq_sta->search_better_tbl) + active_tbl = lq_sta->active_tbl; + else + active_tbl = 1 - lq_sta->active_tbl; + + tbl = &(lq_sta->lq_info[active_tbl]); + if (is_legacy(tbl->lq_type)) + lq_sta->is_green = 0; + else + lq_sta->is_green = rs_use_green(sta); + is_green = lq_sta->is_green; + + /* current tx rate */ + index = lq_sta->last_txrate_idx; + + IWL_DEBUG_RATE(mvm, "Rate scale index %d for type %d\n", index, + tbl->lq_type); + + /* rates available for this association, and for modulation mode */ + rate_mask = rs_get_supported_rates(lq_sta, hdr, tbl->lq_type); + + IWL_DEBUG_RATE(mvm, "mask 0x%04X\n", rate_mask); + + /* mask with station rate restriction */ + if (is_legacy(tbl->lq_type)) { + if (lq_sta->band == IEEE80211_BAND_5GHZ) + /* supp_rates has no CCK bits in A mode */ + rate_scale_index_msk = (u16) (rate_mask & + (lq_sta->supp_rates << IWL_FIRST_OFDM_RATE)); + else + rate_scale_index_msk = (u16) (rate_mask & + lq_sta->supp_rates); + + } else { + rate_scale_index_msk = rate_mask; + } + + if (!rate_scale_index_msk) + rate_scale_index_msk = rate_mask; + + if (!((1 << index) & rate_scale_index_msk)) { + IWL_ERR(mvm, "Current Rate is not valid\n"); + if (lq_sta->search_better_tbl) { + /* revert to active table if search table is not valid*/ + tbl->lq_type = LQ_NONE; + lq_sta->search_better_tbl = 0; + tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); + /* get "active" rate info */ + index = iwl_hwrate_to_plcp_idx(tbl->current_rate); + rs_update_rate_tbl(mvm, lq_sta, tbl, index, is_green); + } + return; + } + + /* Get expected throughput table and history window for current rate */ + if (!tbl->expected_tpt) { + IWL_ERR(mvm, "tbl->expected_tpt is NULL\n"); + return; + } + + /* force user max rate if set by user */ + if ((lq_sta->max_rate_idx != -1) && + (lq_sta->max_rate_idx < index)) { + index = lq_sta->max_rate_idx; + update_lq = 1; + window = &(tbl->win[index]); + goto lq_update; + } + + window = &(tbl->win[index]); + + /* + * If there is not enough history to calculate actual average + * throughput, keep analyzing results of more tx frames, without + * changing rate or mode (bypass most of the rest of this function). + * Set up new rate table in uCode only if old rate is not supported + * in current association (use new rate found above). + */ + fail_count = window->counter - window->success_counter; + if ((fail_count < IWL_RATE_MIN_FAILURE_TH) && + (window->success_counter < IWL_RATE_MIN_SUCCESS_TH)) { + IWL_DEBUG_RATE(mvm, + "LQ: still below TH. succ=%d total=%d for index %d\n", + window->success_counter, window->counter, index); + + /* Can't calculate this yet; not enough history */ + window->average_tpt = IWL_INVALID_VALUE; + + /* Should we stay with this modulation mode, + * or search for a new one? */ + rs_stay_in_table(lq_sta, false); + + goto out; + } + /* Else we have enough samples; calculate estimate of + * actual average throughput */ + if (window->average_tpt != ((window->success_ratio * + tbl->expected_tpt[index] + 64) / 128)) { + IWL_ERR(mvm, + "expected_tpt should have been calculated by now\n"); + window->average_tpt = ((window->success_ratio * + tbl->expected_tpt[index] + 64) / 128); + } + + /* If we are searching for better modulation mode, check success. */ + if (lq_sta->search_better_tbl) { + /* If good success, continue using the "search" mode; + * no need to send new link quality command, since we're + * continuing to use the setup that we've been trying. */ + if (window->average_tpt > lq_sta->last_tpt) { + IWL_DEBUG_RATE(mvm, + "LQ: SWITCHING TO NEW TABLE suc=%d cur-tpt=%d old-tpt=%d\n", + window->success_ratio, + window->average_tpt, + lq_sta->last_tpt); + + if (!is_legacy(tbl->lq_type)) + lq_sta->enable_counter = 1; + + /* Swap tables; "search" becomes "active" */ + lq_sta->active_tbl = active_tbl; + current_tpt = window->average_tpt; + /* Else poor success; go back to mode in "active" table */ + } else { + IWL_DEBUG_RATE(mvm, + "LQ: GOING BACK TO THE OLD TABLE suc=%d cur-tpt=%d old-tpt=%d\n", + window->success_ratio, + window->average_tpt, + lq_sta->last_tpt); + + /* Nullify "search" table */ + tbl->lq_type = LQ_NONE; + + /* Revert to "active" table */ + active_tbl = lq_sta->active_tbl; + tbl = &(lq_sta->lq_info[active_tbl]); + + /* Revert to "active" rate and throughput info */ + index = iwl_hwrate_to_plcp_idx(tbl->current_rate); + current_tpt = lq_sta->last_tpt; + + /* Need to set up a new rate table in uCode */ + update_lq = 1; + } + + /* Either way, we've made a decision; modulation mode + * search is done, allow rate adjustment next time. */ + lq_sta->search_better_tbl = 0; + done_search = 1; /* Don't switch modes below! */ + goto lq_update; + } + + /* (Else) not in search of better modulation mode, try for better + * starting rate, while staying in this mode. */ + high_low = rs_get_adjacent_rate(mvm, index, rate_scale_index_msk, + tbl->lq_type); + low = high_low & 0xff; + high = (high_low >> 8) & 0xff; + + /* If user set max rate, dont allow higher than user constrain */ + if ((lq_sta->max_rate_idx != -1) && + (lq_sta->max_rate_idx < high)) + high = IWL_RATE_INVALID; + + sr = window->success_ratio; + + /* Collect measured throughputs for current and adjacent rates */ + current_tpt = window->average_tpt; + if (low != IWL_RATE_INVALID) + low_tpt = tbl->win[low].average_tpt; + if (high != IWL_RATE_INVALID) + high_tpt = tbl->win[high].average_tpt; + + scale_action = 0; + + /* Too many failures, decrease rate */ + if ((sr <= IWL_RATE_DECREASE_TH) || (current_tpt == 0)) { + IWL_DEBUG_RATE(mvm, + "decrease rate because of low success_ratio\n"); + scale_action = -1; + /* No throughput measured yet for adjacent rates; try increase. */ + } else if ((low_tpt == IWL_INVALID_VALUE) && + (high_tpt == IWL_INVALID_VALUE)) { + if (high != IWL_RATE_INVALID && sr >= IWL_RATE_INCREASE_TH) + scale_action = 1; + else if (low != IWL_RATE_INVALID) + scale_action = 0; + } + + /* Both adjacent throughputs are measured, but neither one has better + * throughput; we're using the best rate, don't change it! */ + else if ((low_tpt != IWL_INVALID_VALUE) && + (high_tpt != IWL_INVALID_VALUE) && + (low_tpt < current_tpt) && + (high_tpt < current_tpt)) + scale_action = 0; + + /* At least one adjacent rate's throughput is measured, + * and may have better performance. */ + else { + /* Higher adjacent rate's throughput is measured */ + if (high_tpt != IWL_INVALID_VALUE) { + /* Higher rate has better throughput */ + if (high_tpt > current_tpt && + sr >= IWL_RATE_INCREASE_TH) { + scale_action = 1; + } else { + scale_action = 0; + } + + /* Lower adjacent rate's throughput is measured */ + } else if (low_tpt != IWL_INVALID_VALUE) { + /* Lower rate has better throughput */ + if (low_tpt > current_tpt) { + IWL_DEBUG_RATE(mvm, + "decrease rate because of low tpt\n"); + scale_action = -1; + } else if (sr >= IWL_RATE_INCREASE_TH) { + scale_action = 1; + } + } + } + + /* Sanity check; asked for decrease, but success rate or throughput + * has been good at old rate. Don't change it. */ + if ((scale_action == -1) && (low != IWL_RATE_INVALID) && + ((sr > IWL_RATE_HIGH_TH) || + (current_tpt > (100 * tbl->expected_tpt[low])))) + scale_action = 0; + + switch (scale_action) { + case -1: + /* Decrease starting rate, update uCode's rate table */ + if (low != IWL_RATE_INVALID) { + update_lq = 1; + index = low; + } + + break; + case 1: + /* Increase starting rate, update uCode's rate table */ + if (high != IWL_RATE_INVALID) { + update_lq = 1; + index = high; + } + + break; + case 0: + /* No change */ + default: + break; + } + + IWL_DEBUG_RATE(mvm, + "choose rate scale index %d action %d low %d high %d type %d\n", + index, scale_action, low, high, tbl->lq_type); + +lq_update: + /* Replace uCode's rate table for the destination station. */ + if (update_lq) + rs_update_rate_tbl(mvm, lq_sta, tbl, index, is_green); + + rs_stay_in_table(lq_sta, false); + + /* + * Search for new modulation mode if we're: + * 1) Not changing rates right now + * 2) Not just finishing up a search + * 3) Allowing a new search + */ + if (!update_lq && !done_search && + !lq_sta->stay_in_tbl && window->counter) { + /* Save current throughput to compare with "search" throughput*/ + lq_sta->last_tpt = current_tpt; + + /* Select a new "search" modulation mode to try. + * If one is found, set up the new "search" table. */ + if (is_legacy(tbl->lq_type)) + rs_move_legacy_other(mvm, lq_sta, sta, index); + else if (is_siso(tbl->lq_type)) + rs_move_siso_to_other(mvm, lq_sta, sta, index); + else if (is_mimo2(tbl->lq_type)) + rs_move_mimo2_to_other(mvm, lq_sta, sta, index); + else + rs_move_mimo3_to_other(mvm, lq_sta, sta, index); + + /* If new "search" mode was selected, set up in uCode table */ + if (lq_sta->search_better_tbl) { + /* Access the "search" table, clear its history. */ + tbl = &(lq_sta->lq_info[(1 - lq_sta->active_tbl)]); + for (i = 0; i < IWL_RATE_COUNT; i++) + rs_rate_scale_clear_window(&(tbl->win[i])); + + /* Use new "search" start rate */ + index = iwl_hwrate_to_plcp_idx(tbl->current_rate); + + IWL_DEBUG_RATE(mvm, + "Switch current mcs: %X index: %d\n", + tbl->current_rate, index); + rs_fill_link_cmd(mvm, lq_sta, tbl->current_rate); + iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq, CMD_ASYNC, false); + } else { + done_search = 1; + } + } + + if (done_search && !lq_sta->stay_in_tbl) { + /* If the "active" (non-search) mode was legacy, + * and we've tried switching antennas, + * but we haven't been able to try HT modes (not available), + * stay with best antenna legacy modulation for a while + * before next round of mode comparisons. */ + tbl1 = &(lq_sta->lq_info[lq_sta->active_tbl]); + if (is_legacy(tbl1->lq_type) && !sta->ht_cap.ht_supported && + lq_sta->action_counter > tbl1->max_search) { + IWL_DEBUG_RATE(mvm, "LQ: STAY in legacy table\n"); + rs_set_stay_in_table(mvm, 1, lq_sta); + } + + /* If we're in an HT mode, and all 3 mode switch actions + * have been tried and compared, stay in this best modulation + * mode for a while before next round of mode comparisons. */ + if (lq_sta->enable_counter && + (lq_sta->action_counter >= tbl1->max_search)) { + if ((lq_sta->last_tpt > IWL_AGG_TPT_THREHOLD) && + (lq_sta->tx_agg_tid_en & (1 << tid)) && + (tid != IWL_MAX_TID_COUNT)) { + tid_data = &sta_priv->tid_data[tid]; + if (tid_data->state == IWL_AGG_OFF) { + IWL_DEBUG_RATE(mvm, + "try to aggregate tid %d\n", + tid); + rs_tl_turn_on_agg(mvm, tid, + lq_sta, sta); + } + } + rs_set_stay_in_table(mvm, 0, lq_sta); + } + } + +out: + tbl->current_rate = rate_n_flags_from_tbl(mvm, tbl, index, is_green); + lq_sta->last_txrate_idx = index; +} + +/** + * rs_initialize_lq - Initialize a station's hardware rate table + * + * The uCode's station table contains a table of fallback rates + * for automatic fallback during transmission. + * + * NOTE: This sets up a default set of values. These will be replaced later + * if the driver's iwl-agn-rs rate scaling algorithm is used, instead of + * rc80211_simple. + * + * NOTE: Run REPLY_ADD_STA command to set up station table entry, before + * calling this function (which runs REPLY_TX_LINK_QUALITY_CMD, + * which requires station table entry to exist). + */ +static void rs_initialize_lq(struct iwl_mvm *mvm, + struct ieee80211_sta *sta, + struct iwl_lq_sta *lq_sta, + enum ieee80211_band band) +{ + struct iwl_scale_tbl_info *tbl; + int rate_idx; + int i; + u32 rate; + u8 use_green = rs_use_green(sta); + u8 active_tbl = 0; + u8 valid_tx_ant; + + if (!sta || !lq_sta) + return; + + i = lq_sta->last_txrate_idx; + + valid_tx_ant = mvm->nvm_data->valid_tx_ant; + + if (!lq_sta->search_better_tbl) + active_tbl = lq_sta->active_tbl; + else + active_tbl = 1 - lq_sta->active_tbl; + + tbl = &(lq_sta->lq_info[active_tbl]); + + if ((i < 0) || (i >= IWL_RATE_COUNT)) + i = 0; + + rate = iwl_rates[i].plcp; + tbl->ant_type = first_antenna(valid_tx_ant); + rate |= tbl->ant_type << RATE_MCS_ANT_POS; + + if (i >= IWL_FIRST_CCK_RATE && i <= IWL_LAST_CCK_RATE) + rate |= RATE_MCS_CCK_MSK; + + rs_get_tbl_info_from_mcs(rate, band, tbl, &rate_idx); + if (!rs_is_valid_ant(valid_tx_ant, tbl->ant_type)) + rs_toggle_antenna(valid_tx_ant, &rate, tbl); + + rate = rate_n_flags_from_tbl(mvm, tbl, rate_idx, use_green); + tbl->current_rate = rate; + rs_set_expected_tpt_table(lq_sta, tbl); + rs_fill_link_cmd(NULL, lq_sta, rate); + /* TODO restore station should remember the lq cmd */ + iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq, CMD_SYNC, true); +} + +static void rs_get_rate(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta, + struct ieee80211_tx_rate_control *txrc) +{ + struct sk_buff *skb = txrc->skb; + struct ieee80211_supported_band *sband = txrc->sband; + struct iwl_op_mode *op_mode __maybe_unused = + (struct iwl_op_mode *)mvm_r; + struct iwl_mvm *mvm __maybe_unused = IWL_OP_MODE_GET_MVM(op_mode); + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct iwl_lq_sta *lq_sta = mvm_sta; + int rate_idx; + + IWL_DEBUG_RATE_LIMIT(mvm, "rate scale calculate new rate for skb\n"); + + /* Get max rate if user set max rate */ + if (lq_sta) { + lq_sta->max_rate_idx = txrc->max_rate_idx; + if ((sband->band == IEEE80211_BAND_5GHZ) && + (lq_sta->max_rate_idx != -1)) + lq_sta->max_rate_idx += IWL_FIRST_OFDM_RATE; + if ((lq_sta->max_rate_idx < 0) || + (lq_sta->max_rate_idx >= IWL_RATE_COUNT)) + lq_sta->max_rate_idx = -1; + } + + /* Treat uninitialized rate scaling data same as non-existing. */ + if (lq_sta && !lq_sta->drv) { + IWL_DEBUG_RATE(mvm, "Rate scaling not initialized yet.\n"); + mvm_sta = NULL; + } + + /* Send management frames and NO_ACK data using lowest rate. */ + if (rate_control_send_low(sta, mvm_sta, txrc)) + return; + + rate_idx = lq_sta->last_txrate_idx; + + if (lq_sta->last_rate_n_flags & RATE_MCS_HT_MSK) { + rate_idx -= IWL_FIRST_OFDM_RATE; + /* 6M and 9M shared same MCS index */ + rate_idx = (rate_idx > 0) ? (rate_idx - 1) : 0; + if (rs_extract_rate(lq_sta->last_rate_n_flags) >= + IWL_RATE_MIMO3_6M_PLCP) + rate_idx = rate_idx + (2 * MCS_INDEX_PER_STREAM); + else if (rs_extract_rate(lq_sta->last_rate_n_flags) >= + IWL_RATE_MIMO2_6M_PLCP) + rate_idx = rate_idx + MCS_INDEX_PER_STREAM; + info->control.rates[0].flags = IEEE80211_TX_RC_MCS; + if (lq_sta->last_rate_n_flags & RATE_MCS_SGI_MSK) + info->control.rates[0].flags |= IEEE80211_TX_RC_SHORT_GI; + if (lq_sta->last_rate_n_flags & RATE_MCS_CHAN_WIDTH_40) /* TODO */ + info->control.rates[0].flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; + if (lq_sta->last_rate_n_flags & RATE_HT_MCS_GF_MSK) + info->control.rates[0].flags |= IEEE80211_TX_RC_GREEN_FIELD; + } else { + /* Check for invalid rates */ + if ((rate_idx < 0) || (rate_idx >= IWL_RATE_COUNT_LEGACY) || + ((sband->band == IEEE80211_BAND_5GHZ) && + (rate_idx < IWL_FIRST_OFDM_RATE))) + rate_idx = rate_lowest_index(sband, sta); + /* On valid 5 GHz rate, adjust index */ + else if (sband->band == IEEE80211_BAND_5GHZ) + rate_idx -= IWL_FIRST_OFDM_RATE; + info->control.rates[0].flags = 0; + } + info->control.rates[0].idx = rate_idx; +} + +static void *rs_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta, + gfp_t gfp) +{ + struct iwl_mvm_sta *sta_priv = (struct iwl_mvm_sta *)sta->drv_priv; + struct iwl_op_mode *op_mode __maybe_unused = + (struct iwl_op_mode *)mvm_rate; + struct iwl_mvm *mvm __maybe_unused = IWL_OP_MODE_GET_MVM(op_mode); + + IWL_DEBUG_RATE(mvm, "create station rate scale window\n"); + + return &sta_priv->lq_sta; +} + +/* + * Called after adding a new station to initialize rate scaling + */ +void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, + enum ieee80211_band band) +{ + int i, j; + struct ieee80211_hw *hw = mvm->hw; + struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; + struct iwl_mvm_sta *sta_priv; + struct iwl_lq_sta *lq_sta; + struct ieee80211_supported_band *sband; + unsigned long supp; /* must be unsigned long for for_each_set_bit */ + + sta_priv = (struct iwl_mvm_sta *)sta->drv_priv; + lq_sta = &sta_priv->lq_sta; + sband = hw->wiphy->bands[band]; + + lq_sta->lq.sta_id = sta_priv->sta_id; + + for (j = 0; j < LQ_SIZE; j++) + for (i = 0; i < IWL_RATE_COUNT; i++) + rs_rate_scale_clear_window(&lq_sta->lq_info[j].win[i]); + + lq_sta->flush_timer = 0; + lq_sta->supp_rates = sta->supp_rates[sband->band]; + for (j = 0; j < LQ_SIZE; j++) + for (i = 0; i < IWL_RATE_COUNT; i++) + rs_rate_scale_clear_window(&lq_sta->lq_info[j].win[i]); + + IWL_DEBUG_RATE(mvm, + "LQ: *** rate scale station global init for station %d ***\n", + sta_priv->sta_id); + /* TODO: what is a good starting rate for STA? About middle? Maybe not + * the lowest or the highest rate.. Could consider using RSSI from + * previous packets? Need to have IEEE 802.1X auth succeed immediately + * after assoc.. */ + + lq_sta->max_rate_idx = -1; + lq_sta->missed_rate_counter = IWL_MISSED_RATE_MAX; + lq_sta->is_green = rs_use_green(sta); + lq_sta->band = sband->band; + /* + * active legacy rates as per supported rates bitmap + */ + supp = sta->supp_rates[sband->band]; + lq_sta->active_legacy_rate = 0; + for_each_set_bit(i, &supp, BITS_PER_LONG) + lq_sta->active_legacy_rate |= BIT(sband->bitrates[i].hw_value); + + /* + * active_siso_rate mask includes 9 MBits (bit 5), and CCK (bits 0-3), + * supp_rates[] does not; shift to convert format, force 9 MBits off. + */ + lq_sta->active_siso_rate = ht_cap->mcs.rx_mask[0] << 1; + lq_sta->active_siso_rate |= ht_cap->mcs.rx_mask[0] & 0x1; + lq_sta->active_siso_rate &= ~((u16)0x2); + lq_sta->active_siso_rate <<= IWL_FIRST_OFDM_RATE; + + /* Same here */ + lq_sta->active_mimo2_rate = ht_cap->mcs.rx_mask[1] << 1; + lq_sta->active_mimo2_rate |= ht_cap->mcs.rx_mask[1] & 0x1; + lq_sta->active_mimo2_rate &= ~((u16)0x2); + lq_sta->active_mimo2_rate <<= IWL_FIRST_OFDM_RATE; + + lq_sta->active_mimo3_rate = ht_cap->mcs.rx_mask[2] << 1; + lq_sta->active_mimo3_rate |= ht_cap->mcs.rx_mask[2] & 0x1; + lq_sta->active_mimo3_rate &= ~((u16)0x2); + lq_sta->active_mimo3_rate <<= IWL_FIRST_OFDM_RATE; + + IWL_DEBUG_RATE(mvm, + "SISO-RATE=%X MIMO2-RATE=%X MIMO3-RATE=%X\n", + lq_sta->active_siso_rate, + lq_sta->active_mimo2_rate, + lq_sta->active_mimo3_rate); + + /* These values will be overridden later */ + lq_sta->lq.single_stream_ant_msk = + first_antenna(mvm->nvm_data->valid_tx_ant); + lq_sta->lq.dual_stream_ant_msk = + mvm->nvm_data->valid_tx_ant & + ~first_antenna(mvm->nvm_data->valid_tx_ant); + if (!lq_sta->lq.dual_stream_ant_msk) { + lq_sta->lq.dual_stream_ant_msk = ANT_AB; + } else if (num_of_ant(mvm->nvm_data->valid_tx_ant) == 2) { + lq_sta->lq.dual_stream_ant_msk = + mvm->nvm_data->valid_tx_ant; + } + + /* as default allow aggregation for all tids */ + lq_sta->tx_agg_tid_en = IWL_AGG_ALL_TID; + lq_sta->drv = mvm; + + /* Set last_txrate_idx to lowest rate */ + lq_sta->last_txrate_idx = rate_lowest_index(sband, sta); + if (sband->band == IEEE80211_BAND_5GHZ) + lq_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE; + lq_sta->is_agg = 0; +#ifdef CONFIG_MAC80211_DEBUGFS + lq_sta->dbg_fixed_rate = 0; +#endif + + rs_initialize_lq(mvm, sta, lq_sta, band); +} + +static void rs_fill_link_cmd(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta, u32 new_rate) +{ + struct iwl_scale_tbl_info tbl_type; + int index = 0; + int rate_idx; + int repeat_rate = 0; + u8 ant_toggle_cnt = 0; + u8 use_ht_possible = 1; + u8 valid_tx_ant = 0; + struct iwl_lq_cmd *lq_cmd = &lq_sta->lq; + + /* Override starting rate (index 0) if needed for debug purposes */ + rs_dbgfs_set_mcs(lq_sta, &new_rate, index); + + /* Interpret new_rate (rate_n_flags) */ + rs_get_tbl_info_from_mcs(new_rate, lq_sta->band, + &tbl_type, &rate_idx); + + /* How many times should we repeat the initial rate? */ + if (is_legacy(tbl_type.lq_type)) { + ant_toggle_cnt = 1; + repeat_rate = IWL_NUMBER_TRY; + } else { + repeat_rate = min(IWL_HT_NUMBER_TRY, + LINK_QUAL_AGG_DISABLE_START_DEF - 1); + } + + lq_cmd->mimo_delim = is_mimo(tbl_type.lq_type) ? 1 : 0; + + /* Fill 1st table entry (index 0) */ + lq_cmd->rs_table[index] = cpu_to_le32(new_rate); + + if (num_of_ant(tbl_type.ant_type) == 1) + lq_cmd->single_stream_ant_msk = tbl_type.ant_type; + else if (num_of_ant(tbl_type.ant_type) == 2) + lq_cmd->dual_stream_ant_msk = tbl_type.ant_type; + /* otherwise we don't modify the existing value */ + + index++; + repeat_rate--; + if (mvm) + valid_tx_ant = mvm->nvm_data->valid_tx_ant; + + /* Fill rest of rate table */ + while (index < LINK_QUAL_MAX_RETRY_NUM) { + /* Repeat initial/next rate. + * For legacy IWL_NUMBER_TRY == 1, this loop will not execute. + * For HT IWL_HT_NUMBER_TRY == 3, this executes twice. */ + while (repeat_rate > 0 && (index < LINK_QUAL_MAX_RETRY_NUM)) { + if (is_legacy(tbl_type.lq_type)) { + if (ant_toggle_cnt < NUM_TRY_BEFORE_ANT_TOGGLE) + ant_toggle_cnt++; + else if (mvm && + rs_toggle_antenna(valid_tx_ant, + &new_rate, &tbl_type)) + ant_toggle_cnt = 1; + } + + /* Override next rate if needed for debug purposes */ + rs_dbgfs_set_mcs(lq_sta, &new_rate, index); + + /* Fill next table entry */ + lq_cmd->rs_table[index] = + cpu_to_le32(new_rate); + repeat_rate--; + index++; + } + + rs_get_tbl_info_from_mcs(new_rate, lq_sta->band, &tbl_type, + &rate_idx); + + + /* Indicate to uCode which entries might be MIMO. + * If initial rate was MIMO, this will finally end up + * as (IWL_HT_NUMBER_TRY * 2), after 2nd pass, otherwise 0. */ + if (is_mimo(tbl_type.lq_type)) + lq_cmd->mimo_delim = index; + + /* Get next rate */ + new_rate = rs_get_lower_rate(lq_sta, &tbl_type, rate_idx, + use_ht_possible); + + /* How many times should we repeat the next rate? */ + if (is_legacy(tbl_type.lq_type)) { + if (ant_toggle_cnt < NUM_TRY_BEFORE_ANT_TOGGLE) + ant_toggle_cnt++; + else if (mvm && + rs_toggle_antenna(valid_tx_ant, + &new_rate, &tbl_type)) + ant_toggle_cnt = 1; + + repeat_rate = IWL_NUMBER_TRY; + } else { + repeat_rate = IWL_HT_NUMBER_TRY; + } + + /* Don't allow HT rates after next pass. + * rs_get_lower_rate() will change type to LQ_A or LQ_G. */ + use_ht_possible = 0; + + /* Override next rate if needed for debug purposes */ + rs_dbgfs_set_mcs(lq_sta, &new_rate, index); + + /* Fill next table entry */ + lq_cmd->rs_table[index] = cpu_to_le32(new_rate); + + index++; + repeat_rate--; + } + + lq_cmd->agg_frame_cnt_limit = LINK_QUAL_AGG_FRAME_LIMIT_DEF; + lq_cmd->agg_disable_start_th = LINK_QUAL_AGG_DISABLE_START_DEF; + + lq_cmd->agg_time_limit = + cpu_to_le16(LINK_QUAL_AGG_TIME_LIMIT_DEF); +} + +static void *rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir) +{ + return hw->priv; +} +/* rate scale requires free function to be implemented */ +static void rs_free(void *mvm_rate) +{ + return; +} + +static void rs_free_sta(void *mvm_r, struct ieee80211_sta *sta, + void *mvm_sta) +{ + struct iwl_op_mode *op_mode __maybe_unused = mvm_r; + struct iwl_mvm *mvm __maybe_unused = IWL_OP_MODE_GET_MVM(op_mode); + + IWL_DEBUG_RATE(mvm, "enter\n"); + IWL_DEBUG_RATE(mvm, "leave\n"); +} + +#ifdef CONFIG_MAC80211_DEBUGFS +static void rs_dbgfs_set_mcs(struct iwl_lq_sta *lq_sta, + u32 *rate_n_flags, int index) +{ + struct iwl_mvm *mvm; + u8 valid_tx_ant; + u8 ant_sel_tx; + + mvm = lq_sta->drv; + valid_tx_ant = mvm->nvm_data->valid_tx_ant; + if (lq_sta->dbg_fixed_rate) { + ant_sel_tx = + ((lq_sta->dbg_fixed_rate & RATE_MCS_ANT_ABC_MSK) + >> RATE_MCS_ANT_POS); + if ((valid_tx_ant & ant_sel_tx) == ant_sel_tx) { + *rate_n_flags = lq_sta->dbg_fixed_rate; + IWL_DEBUG_RATE(mvm, "Fixed rate ON\n"); + } else { + lq_sta->dbg_fixed_rate = 0; + IWL_ERR(mvm, + "Invalid antenna selection 0x%X, Valid is 0x%X\n", + ant_sel_tx, valid_tx_ant); + IWL_DEBUG_RATE(mvm, "Fixed rate OFF\n"); + } + } else { + IWL_DEBUG_RATE(mvm, "Fixed rate OFF\n"); + } +} + +static ssize_t rs_sta_dbgfs_scale_table_write(struct file *file, + const char __user *user_buf, size_t count, loff_t *ppos) +{ + struct iwl_lq_sta *lq_sta = file->private_data; + struct iwl_mvm *mvm; + char buf[64]; + size_t buf_size; + u32 parsed_rate; + + + mvm = lq_sta->drv; + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + + if (sscanf(buf, "%x", &parsed_rate) == 1) + lq_sta->dbg_fixed_rate = parsed_rate; + else + lq_sta->dbg_fixed_rate = 0; + + rs_program_fix_rate(mvm, lq_sta); + + return count; +} + +static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, + char __user *user_buf, size_t count, loff_t *ppos) +{ + char *buff; + int desc = 0; + int i = 0; + int index = 0; + ssize_t ret; + + struct iwl_lq_sta *lq_sta = file->private_data; + struct iwl_mvm *mvm; + struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); + + mvm = lq_sta->drv; + buff = kmalloc(1024, GFP_KERNEL); + if (!buff) + return -ENOMEM; + + desc += sprintf(buff+desc, "sta_id %d\n", lq_sta->lq.sta_id); + desc += sprintf(buff+desc, "failed=%d success=%d rate=0%X\n", + lq_sta->total_failed, lq_sta->total_success, + lq_sta->active_legacy_rate); + desc += sprintf(buff+desc, "fixed rate 0x%X\n", + lq_sta->dbg_fixed_rate); + desc += sprintf(buff+desc, "valid_tx_ant %s%s%s\n", + (mvm->nvm_data->valid_tx_ant & ANT_A) ? "ANT_A," : "", + (mvm->nvm_data->valid_tx_ant & ANT_B) ? "ANT_B," : "", + (mvm->nvm_data->valid_tx_ant & ANT_C) ? "ANT_C" : ""); + desc += sprintf(buff+desc, "lq type %s\n", + (is_legacy(tbl->lq_type)) ? "legacy" : "HT"); + if (is_Ht(tbl->lq_type)) { + desc += sprintf(buff+desc, " %s", + (is_siso(tbl->lq_type)) ? "SISO" : + ((is_mimo2(tbl->lq_type)) ? "MIMO2" : "MIMO3")); + desc += sprintf(buff+desc, " %s", + (tbl->is_ht40) ? "40MHz" : "20MHz"); + desc += sprintf(buff+desc, " %s %s %s\n", + (tbl->is_SGI) ? "SGI" : "", + (lq_sta->is_green) ? "GF enabled" : "", + (lq_sta->is_agg) ? "AGG on" : ""); + } + desc += sprintf(buff+desc, "last tx rate=0x%X\n", + lq_sta->last_rate_n_flags); + desc += sprintf(buff+desc, + "general: flags=0x%X mimo-d=%d s-ant0x%x d-ant=0x%x\n", + lq_sta->lq.flags, + lq_sta->lq.mimo_delim, + lq_sta->lq.single_stream_ant_msk, + lq_sta->lq.dual_stream_ant_msk); + + desc += sprintf(buff+desc, + "agg: time_limit=%d dist_start_th=%d frame_cnt_limit=%d\n", + le16_to_cpu(lq_sta->lq.agg_time_limit), + lq_sta->lq.agg_disable_start_th, + lq_sta->lq.agg_frame_cnt_limit); + + desc += sprintf(buff+desc, + "Start idx [0]=0x%x [1]=0x%x [2]=0x%x [3]=0x%x\n", + lq_sta->lq.initial_rate_index[0], + lq_sta->lq.initial_rate_index[1], + lq_sta->lq.initial_rate_index[2], + lq_sta->lq.initial_rate_index[3]); + + for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) { + index = iwl_hwrate_to_plcp_idx( + le32_to_cpu(lq_sta->lq.rs_table[i])); + if (is_legacy(tbl->lq_type)) { + desc += sprintf(buff+desc, " rate[%d] 0x%X %smbps\n", + i, le32_to_cpu(lq_sta->lq.rs_table[i]), + iwl_rate_mcs[index].mbps); + } else { + desc += sprintf(buff+desc, + " rate[%d] 0x%X %smbps (%s)\n", + i, le32_to_cpu(lq_sta->lq.rs_table[i]), + iwl_rate_mcs[index].mbps, + iwl_rate_mcs[index].mcs); + } + } + + ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc); + kfree(buff); + return ret; +} + +static const struct file_operations rs_sta_dbgfs_scale_table_ops = { + .write = rs_sta_dbgfs_scale_table_write, + .read = rs_sta_dbgfs_scale_table_read, + .open = simple_open, + .llseek = default_llseek, +}; +static ssize_t rs_sta_dbgfs_stats_table_read(struct file *file, + char __user *user_buf, size_t count, loff_t *ppos) +{ + char *buff; + int desc = 0; + int i, j; + ssize_t ret; + + struct iwl_lq_sta *lq_sta = file->private_data; + + buff = kmalloc(1024, GFP_KERNEL); + if (!buff) + return -ENOMEM; + + for (i = 0; i < LQ_SIZE; i++) { + desc += sprintf(buff+desc, + "%s type=%d SGI=%d HT40=%d DUP=0 GF=%d\n" + "rate=0x%X\n", + lq_sta->active_tbl == i ? "*" : "x", + lq_sta->lq_info[i].lq_type, + lq_sta->lq_info[i].is_SGI, + lq_sta->lq_info[i].is_ht40, + lq_sta->is_green, + lq_sta->lq_info[i].current_rate); + for (j = 0; j < IWL_RATE_COUNT; j++) { + desc += sprintf(buff+desc, + "counter=%d success=%d %%=%d\n", + lq_sta->lq_info[i].win[j].counter, + lq_sta->lq_info[i].win[j].success_counter, + lq_sta->lq_info[i].win[j].success_ratio); + } + } + ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc); + kfree(buff); + return ret; +} + +static const struct file_operations rs_sta_dbgfs_stats_table_ops = { + .read = rs_sta_dbgfs_stats_table_read, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t rs_sta_dbgfs_rate_scale_data_read(struct file *file, + char __user *user_buf, size_t count, loff_t *ppos) +{ + struct iwl_lq_sta *lq_sta = file->private_data; + struct iwl_scale_tbl_info *tbl = &lq_sta->lq_info[lq_sta->active_tbl]; + char buff[120]; + int desc = 0; + + if (is_Ht(tbl->lq_type)) + desc += sprintf(buff+desc, + "Bit Rate= %d Mb/s\n", + tbl->expected_tpt[lq_sta->last_txrate_idx]); + else + desc += sprintf(buff+desc, + "Bit Rate= %d Mb/s\n", + iwl_rates[lq_sta->last_txrate_idx].ieee >> 1); + + return simple_read_from_buffer(user_buf, count, ppos, buff, desc); +} + +static const struct file_operations rs_sta_dbgfs_rate_scale_data_ops = { + .read = rs_sta_dbgfs_rate_scale_data_read, + .open = simple_open, + .llseek = default_llseek, +}; + +static void rs_add_debugfs(void *mvm, void *mvm_sta, struct dentry *dir) +{ + struct iwl_lq_sta *lq_sta = mvm_sta; + lq_sta->rs_sta_dbgfs_scale_table_file = + debugfs_create_file("rate_scale_table", S_IRUSR | S_IWUSR, dir, + lq_sta, &rs_sta_dbgfs_scale_table_ops); + lq_sta->rs_sta_dbgfs_stats_table_file = + debugfs_create_file("rate_stats_table", S_IRUSR, dir, + lq_sta, &rs_sta_dbgfs_stats_table_ops); + lq_sta->rs_sta_dbgfs_rate_scale_data_file = + debugfs_create_file("rate_scale_data", S_IRUSR, dir, + lq_sta, &rs_sta_dbgfs_rate_scale_data_ops); + lq_sta->rs_sta_dbgfs_tx_agg_tid_en_file = + debugfs_create_u8("tx_agg_tid_enable", S_IRUSR | S_IWUSR, dir, + &lq_sta->tx_agg_tid_en); +} + +static void rs_remove_debugfs(void *mvm, void *mvm_sta) +{ + struct iwl_lq_sta *lq_sta = mvm_sta; + debugfs_remove(lq_sta->rs_sta_dbgfs_scale_table_file); + debugfs_remove(lq_sta->rs_sta_dbgfs_stats_table_file); + debugfs_remove(lq_sta->rs_sta_dbgfs_rate_scale_data_file); + debugfs_remove(lq_sta->rs_sta_dbgfs_tx_agg_tid_en_file); +} +#endif + +/* + * Initialization of rate scaling information is done by driver after + * the station is added. Since mac80211 calls this function before a + * station is added we ignore it. + */ +static void rs_rate_init_stub(void *mvm_r, + struct ieee80211_supported_band *sband, + struct ieee80211_sta *sta, void *mvm_sta) +{ +} +static struct rate_control_ops rs_mvm_ops = { + .module = NULL, + .name = RS_NAME, + .tx_status = rs_tx_status, + .get_rate = rs_get_rate, + .rate_init = rs_rate_init_stub, + .alloc = rs_alloc, + .free = rs_free, + .alloc_sta = rs_alloc_sta, + .free_sta = rs_free_sta, +#ifdef CONFIG_MAC80211_DEBUGFS + .add_sta_debugfs = rs_add_debugfs, + .remove_sta_debugfs = rs_remove_debugfs, +#endif +}; + +int iwl_mvm_rate_control_register(void) +{ + return ieee80211_rate_control_register(&rs_mvm_ops); +} + +void iwl_mvm_rate_control_unregister(void) +{ + ieee80211_rate_control_unregister(&rs_mvm_ops); +} diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.h b/drivers/net/wireless/iwlwifi/mvm/rs.h new file mode 100644 index 000000000000..219c6857cc0f --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/rs.h @@ -0,0 +1,393 @@ +/****************************************************************************** + * + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * The full GNU General Public License is included in this distribution in the + * file called LICENSE. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + *****************************************************************************/ + +#ifndef __rs_h__ +#define __rs_h__ + +#include <net/mac80211.h> + +#include "iwl-config.h" + +#include "fw-api.h" +#include "iwl-trans.h" + +struct iwl_rs_rate_info { + u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */ + u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */ + u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */ + u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */ + u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */ + u8 prev_ieee; /* previous rate in IEEE speeds */ + u8 next_ieee; /* next rate in IEEE speeds */ + u8 prev_rs; /* previous rate used in rs algo */ + u8 next_rs; /* next rate used in rs algo */ + u8 prev_rs_tgg; /* previous rate used in TGG rs algo */ + u8 next_rs_tgg; /* next rate used in TGG rs algo */ +}; + +#define IWL_RATE_60M_PLCP 3 + +enum { + IWL_RATE_INVM_INDEX = IWL_RATE_COUNT, + IWL_RATE_INVALID = IWL_RATE_COUNT, +}; + +#define LINK_QUAL_MAX_RETRY_NUM 16 + +enum { + IWL_RATE_6M_INDEX_TABLE = 0, + IWL_RATE_9M_INDEX_TABLE, + IWL_RATE_12M_INDEX_TABLE, + IWL_RATE_18M_INDEX_TABLE, + IWL_RATE_24M_INDEX_TABLE, + IWL_RATE_36M_INDEX_TABLE, + IWL_RATE_48M_INDEX_TABLE, + IWL_RATE_54M_INDEX_TABLE, + IWL_RATE_1M_INDEX_TABLE, + IWL_RATE_2M_INDEX_TABLE, + IWL_RATE_5M_INDEX_TABLE, + IWL_RATE_11M_INDEX_TABLE, + IWL_RATE_INVM_INDEX_TABLE = IWL_RATE_INVM_INDEX - 1, +}; + +/* #define vs. enum to keep from defaulting to 'large integer' */ +#define IWL_RATE_6M_MASK (1 << IWL_RATE_6M_INDEX) +#define IWL_RATE_9M_MASK (1 << IWL_RATE_9M_INDEX) +#define IWL_RATE_12M_MASK (1 << IWL_RATE_12M_INDEX) +#define IWL_RATE_18M_MASK (1 << IWL_RATE_18M_INDEX) +#define IWL_RATE_24M_MASK (1 << IWL_RATE_24M_INDEX) +#define IWL_RATE_36M_MASK (1 << IWL_RATE_36M_INDEX) +#define IWL_RATE_48M_MASK (1 << IWL_RATE_48M_INDEX) +#define IWL_RATE_54M_MASK (1 << IWL_RATE_54M_INDEX) +#define IWL_RATE_60M_MASK (1 << IWL_RATE_60M_INDEX) +#define IWL_RATE_1M_MASK (1 << IWL_RATE_1M_INDEX) +#define IWL_RATE_2M_MASK (1 << IWL_RATE_2M_INDEX) +#define IWL_RATE_5M_MASK (1 << IWL_RATE_5M_INDEX) +#define IWL_RATE_11M_MASK (1 << IWL_RATE_11M_INDEX) + + +/* uCode API values for OFDM high-throughput (HT) bit rates */ +enum { + IWL_RATE_SISO_6M_PLCP = 0, + IWL_RATE_SISO_12M_PLCP = 1, + IWL_RATE_SISO_18M_PLCP = 2, + IWL_RATE_SISO_24M_PLCP = 3, + IWL_RATE_SISO_36M_PLCP = 4, + IWL_RATE_SISO_48M_PLCP = 5, + IWL_RATE_SISO_54M_PLCP = 6, + IWL_RATE_SISO_60M_PLCP = 7, + IWL_RATE_MIMO2_6M_PLCP = 0x8, + IWL_RATE_MIMO2_12M_PLCP = 0x9, + IWL_RATE_MIMO2_18M_PLCP = 0xa, + IWL_RATE_MIMO2_24M_PLCP = 0xb, + IWL_RATE_MIMO2_36M_PLCP = 0xc, + IWL_RATE_MIMO2_48M_PLCP = 0xd, + IWL_RATE_MIMO2_54M_PLCP = 0xe, + IWL_RATE_MIMO2_60M_PLCP = 0xf, + IWL_RATE_MIMO3_6M_PLCP = 0x10, + IWL_RATE_MIMO3_12M_PLCP = 0x11, + IWL_RATE_MIMO3_18M_PLCP = 0x12, + IWL_RATE_MIMO3_24M_PLCP = 0x13, + IWL_RATE_MIMO3_36M_PLCP = 0x14, + IWL_RATE_MIMO3_48M_PLCP = 0x15, + IWL_RATE_MIMO3_54M_PLCP = 0x16, + IWL_RATE_MIMO3_60M_PLCP = 0x17, + IWL_RATE_SISO_INVM_PLCP, + IWL_RATE_MIMO2_INVM_PLCP = IWL_RATE_SISO_INVM_PLCP, + IWL_RATE_MIMO3_INVM_PLCP = IWL_RATE_SISO_INVM_PLCP, +}; + +/* MAC header values for bit rates */ +enum { + IWL_RATE_6M_IEEE = 12, + IWL_RATE_9M_IEEE = 18, + IWL_RATE_12M_IEEE = 24, + IWL_RATE_18M_IEEE = 36, + IWL_RATE_24M_IEEE = 48, + IWL_RATE_36M_IEEE = 72, + IWL_RATE_48M_IEEE = 96, + IWL_RATE_54M_IEEE = 108, + IWL_RATE_60M_IEEE = 120, + IWL_RATE_1M_IEEE = 2, + IWL_RATE_2M_IEEE = 4, + IWL_RATE_5M_IEEE = 11, + IWL_RATE_11M_IEEE = 22, +}; + +#define IWL_RATES_MASK ((1 << IWL_RATE_COUNT) - 1) + +#define IWL_INVALID_VALUE -1 + +#define IWL_MIN_RSSI_VAL -100 +#define IWL_MAX_RSSI_VAL 0 + +/* These values specify how many Tx frame attempts before + * searching for a new modulation mode */ +#define IWL_LEGACY_FAILURE_LIMIT 160 +#define IWL_LEGACY_SUCCESS_LIMIT 480 +#define IWL_LEGACY_TABLE_COUNT 160 + +#define IWL_NONE_LEGACY_FAILURE_LIMIT 400 +#define IWL_NONE_LEGACY_SUCCESS_LIMIT 4500 +#define IWL_NONE_LEGACY_TABLE_COUNT 1500 + +/* Success ratio (ACKed / attempted tx frames) values (perfect is 128 * 100) */ +#define IWL_RS_GOOD_RATIO 12800 /* 100% */ +#define IWL_RATE_SCALE_SWITCH 10880 /* 85% */ +#define IWL_RATE_HIGH_TH 10880 /* 85% */ +#define IWL_RATE_INCREASE_TH 6400 /* 50% */ +#define IWL_RATE_DECREASE_TH 1920 /* 15% */ + +/* possible actions when in legacy mode */ +#define IWL_LEGACY_SWITCH_ANTENNA1 0 +#define IWL_LEGACY_SWITCH_ANTENNA2 1 +#define IWL_LEGACY_SWITCH_SISO 2 +#define IWL_LEGACY_SWITCH_MIMO2_AB 3 +#define IWL_LEGACY_SWITCH_MIMO2_AC 4 +#define IWL_LEGACY_SWITCH_MIMO2_BC 5 +#define IWL_LEGACY_SWITCH_MIMO3_ABC 6 + +/* possible actions when in siso mode */ +#define IWL_SISO_SWITCH_ANTENNA1 0 +#define IWL_SISO_SWITCH_ANTENNA2 1 +#define IWL_SISO_SWITCH_MIMO2_AB 2 +#define IWL_SISO_SWITCH_MIMO2_AC 3 +#define IWL_SISO_SWITCH_MIMO2_BC 4 +#define IWL_SISO_SWITCH_GI 5 +#define IWL_SISO_SWITCH_MIMO3_ABC 6 + + +/* possible actions when in mimo mode */ +#define IWL_MIMO2_SWITCH_ANTENNA1 0 +#define IWL_MIMO2_SWITCH_ANTENNA2 1 +#define IWL_MIMO2_SWITCH_SISO_A 2 +#define IWL_MIMO2_SWITCH_SISO_B 3 +#define IWL_MIMO2_SWITCH_SISO_C 4 +#define IWL_MIMO2_SWITCH_GI 5 +#define IWL_MIMO2_SWITCH_MIMO3_ABC 6 + + +/* possible actions when in mimo3 mode */ +#define IWL_MIMO3_SWITCH_ANTENNA1 0 +#define IWL_MIMO3_SWITCH_ANTENNA2 1 +#define IWL_MIMO3_SWITCH_SISO_A 2 +#define IWL_MIMO3_SWITCH_SISO_B 3 +#define IWL_MIMO3_SWITCH_SISO_C 4 +#define IWL_MIMO3_SWITCH_MIMO2_AB 5 +#define IWL_MIMO3_SWITCH_MIMO2_AC 6 +#define IWL_MIMO3_SWITCH_MIMO2_BC 7 +#define IWL_MIMO3_SWITCH_GI 8 + + +#define IWL_MAX_11N_MIMO3_SEARCH IWL_MIMO3_SWITCH_GI +#define IWL_MAX_SEARCH IWL_MIMO2_SWITCH_MIMO3_ABC + +/*FIXME:RS:add possible actions for MIMO3*/ + +#define IWL_ACTION_LIMIT 3 /* # possible actions */ + +#define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000) /* 4 milliseconds */ +#define LINK_QUAL_AGG_TIME_LIMIT_MAX (8000) +#define LINK_QUAL_AGG_TIME_LIMIT_MIN (100) + +#define LINK_QUAL_AGG_DISABLE_START_DEF (3) +#define LINK_QUAL_AGG_DISABLE_START_MAX (255) +#define LINK_QUAL_AGG_DISABLE_START_MIN (0) + +#define LINK_QUAL_AGG_FRAME_LIMIT_DEF (63) +#define LINK_QUAL_AGG_FRAME_LIMIT_MAX (63) +#define LINK_QUAL_AGG_FRAME_LIMIT_MIN (0) + +#define LQ_SIZE 2 /* 2 mode tables: "Active" and "Search" */ + +/* load per tid defines for A-MPDU activation */ +#define IWL_AGG_TPT_THREHOLD 0 +#define IWL_AGG_LOAD_THRESHOLD 10 +#define IWL_AGG_ALL_TID 0xff +#define TID_QUEUE_CELL_SPACING 50 /*mS */ +#define TID_QUEUE_MAX_SIZE 20 +#define TID_ROUND_VALUE 5 /* mS */ + +#define TID_MAX_TIME_DIFF ((TID_QUEUE_MAX_SIZE - 1) * TID_QUEUE_CELL_SPACING) +#define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y)) + +enum iwl_table_type { + LQ_NONE, + LQ_G, /* legacy types */ + LQ_A, + LQ_SISO, /* high-throughput types */ + LQ_MIMO2, + LQ_MIMO3, + LQ_MAX, +}; + +#define is_legacy(tbl) (((tbl) == LQ_G) || ((tbl) == LQ_A)) +#define is_siso(tbl) ((tbl) == LQ_SISO) +#define is_mimo2(tbl) ((tbl) == LQ_MIMO2) +#define is_mimo3(tbl) ((tbl) == LQ_MIMO3) +#define is_mimo(tbl) (is_mimo2(tbl) || is_mimo3(tbl)) +#define is_Ht(tbl) (is_siso(tbl) || is_mimo(tbl)) +#define is_a_band(tbl) ((tbl) == LQ_A) +#define is_g_and(tbl) ((tbl) == LQ_G) + +#define IWL_MAX_MCS_DISPLAY_SIZE 12 + +struct iwl_rate_mcs_info { + char mbps[IWL_MAX_MCS_DISPLAY_SIZE]; + char mcs[IWL_MAX_MCS_DISPLAY_SIZE]; +}; + +/** + * struct iwl_rate_scale_data -- tx success history for one rate + */ +struct iwl_rate_scale_data { + u64 data; /* bitmap of successful frames */ + s32 success_counter; /* number of frames successful */ + s32 success_ratio; /* per-cent * 128 */ + s32 counter; /* number of frames attempted */ + s32 average_tpt; /* success ratio * expected throughput */ + unsigned long stamp; +}; + +/** + * struct iwl_scale_tbl_info -- tx params and success history for all rates + * + * There are two of these in struct iwl_lq_sta, + * one for "active", and one for "search". + */ +struct iwl_scale_tbl_info { + enum iwl_table_type lq_type; + u8 ant_type; + u8 is_SGI; /* 1 = short guard interval */ + u8 is_ht40; /* 1 = 40 MHz channel width */ + u8 action; /* change modulation; IWL_[LEGACY/SISO/MIMO]_SWITCH_* */ + u8 max_search; /* maximun number of tables we can search */ + s32 *expected_tpt; /* throughput metrics; expected_tpt_G, etc. */ + u32 current_rate; /* rate_n_flags, uCode API format */ + struct iwl_rate_scale_data win[IWL_RATE_COUNT]; /* rate histories */ +}; + +struct iwl_traffic_load { + unsigned long time_stamp; /* age of the oldest statistics */ + u32 packet_count[TID_QUEUE_MAX_SIZE]; /* packet count in this time + * slice */ + u32 total; /* total num of packets during the + * last TID_MAX_TIME_DIFF */ + u8 queue_count; /* number of queues that has + * been used since the last cleanup */ + u8 head; /* start of the circular buffer */ +}; + +/** + * struct iwl_lq_sta -- driver's rate scaling private structure + * + * Pointer to this gets passed back and forth between driver and mac80211. + */ +struct iwl_lq_sta { + u8 active_tbl; /* index of active table, range 0-1 */ + u8 enable_counter; /* indicates HT mode */ + u8 stay_in_tbl; /* 1: disallow, 0: allow search for new mode */ + u8 search_better_tbl; /* 1: currently trying alternate mode */ + s32 last_tpt; + + /* The following determine when to search for a new mode */ + u32 table_count_limit; + u32 max_failure_limit; /* # failed frames before new search */ + u32 max_success_limit; /* # successful frames before new search */ + u32 table_count; + u32 total_failed; /* total failed frames, any/all rates */ + u32 total_success; /* total successful frames, any/all rates */ + u64 flush_timer; /* time staying in mode before new search */ + + u8 action_counter; /* # mode-switch actions tried */ + u8 is_green; + enum ieee80211_band band; + + /* The following are bitmaps of rates; IWL_RATE_6M_MASK, etc. */ + u32 supp_rates; + u16 active_legacy_rate; + u16 active_siso_rate; + u16 active_mimo2_rate; + u16 active_mimo3_rate; + s8 max_rate_idx; /* Max rate set by user */ + u8 missed_rate_counter; + + struct iwl_lq_cmd lq; + struct iwl_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */ + struct iwl_traffic_load load[IWL_MAX_TID_COUNT]; + u8 tx_agg_tid_en; +#ifdef CONFIG_MAC80211_DEBUGFS + struct dentry *rs_sta_dbgfs_scale_table_file; + struct dentry *rs_sta_dbgfs_stats_table_file; + struct dentry *rs_sta_dbgfs_rate_scale_data_file; + struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file; + u32 dbg_fixed_rate; +#endif + struct iwl_mvm *drv; + + /* used to be in sta_info */ + int last_txrate_idx; + /* last tx rate_n_flags */ + u32 last_rate_n_flags; + /* packets destined for this STA are aggregated */ + u8 is_agg; + /* BT traffic this sta was last updated in */ + u8 last_bt_traffic; +}; + +static inline u8 num_of_ant(u8 mask) +{ + return !!((mask) & ANT_A) + + !!((mask) & ANT_B) + + !!((mask) & ANT_C); +} + +/* Initialize station's rate scaling information after adding station */ +extern void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, + struct ieee80211_sta *sta, + enum ieee80211_band band); + +/** + * iwl_rate_control_register - Register the rate control algorithm callbacks + * + * Since the rate control algorithm is hardware specific, there is no need + * or reason to place it as a stand alone module. The driver can call + * iwl_rate_control_register in order to register the rate control callbacks + * with the mac80211 subsystem. This should be performed prior to calling + * ieee80211_register_hw + * + */ +extern int iwl_mvm_rate_control_register(void); + +/** + * iwl_rate_control_unregister - Unregister the rate control callbacks + * + * This should be called after calling ieee80211_unregister_hw, but before + * the driver is unloaded. + */ +extern void iwl_mvm_rate_control_unregister(void); + +#endif /* __rs__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/rx.c b/drivers/net/wireless/iwlwifi/mvm/rx.c new file mode 100644 index 000000000000..52da375e5740 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/rx.c @@ -0,0 +1,355 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ +#include "iwl-trans.h" + +#include "mvm.h" +#include "fw-api.h" + +/* + * iwl_mvm_rx_rx_phy_cmd - REPLY_RX_PHY_CMD handler + * + * Copies the phy information in mvm->last_phy_info, it will be used when the + * actual data will come from the fw in the next packet. + */ +int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + + memcpy(&mvm->last_phy_info, pkt->data, sizeof(mvm->last_phy_info)); + mvm->ampdu_ref++; + return 0; +} + +/* + * iwl_mvm_pass_packet_to_mac80211 - builds the packet for mac80211 + * + * Adds the rxb to a new skb and give it to mac80211 + */ +static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm, + struct ieee80211_hdr *hdr, u16 len, + u32 ampdu_status, + struct iwl_rx_cmd_buffer *rxb, + struct ieee80211_rx_status *stats) +{ + struct sk_buff *skb; + unsigned int hdrlen, fraglen; + + /* Dont use dev_alloc_skb(), we'll have enough headroom once + * ieee80211_hdr pulled. + */ + skb = alloc_skb(128, GFP_ATOMIC); + if (!skb) { + IWL_ERR(mvm, "alloc_skb failed\n"); + return; + } + /* If frame is small enough to fit in skb->head, pull it completely. + * If not, only pull ieee80211_hdr so that splice() or TCP coalesce + * are more efficient. + */ + hdrlen = (len <= skb_tailroom(skb)) ? len : sizeof(*hdr); + + memcpy(skb_put(skb, hdrlen), hdr, hdrlen); + fraglen = len - hdrlen; + + if (fraglen) { + int offset = (void *)hdr + hdrlen - + rxb_addr(rxb) + rxb_offset(rxb); + + skb_add_rx_frag(skb, 0, rxb_steal_page(rxb), offset, + fraglen, rxb->truesize); + } + + memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats)); + + ieee80211_rx(mvm->hw, skb); +} + +/* + * iwl_mvm_calc_rssi - calculate the rssi in dBm + * @phy_info: the phy information for the coming packet + */ +static int iwl_mvm_calc_rssi(struct iwl_mvm *mvm, + struct iwl_rx_phy_info *phy_info) +{ + u32 rssi_a, rssi_b, rssi_c, max_rssi, agc_db; + u32 val; + + /* Find max rssi among 3 possible receivers. + * These values are measured by the Digital Signal Processor (DSP). + * They should stay fairly constant even as the signal strength varies, + * if the radio's Automatic Gain Control (AGC) is working right. + * AGC value (see below) will provide the "interesting" info. + */ + val = le32_to_cpu(phy_info->non_cfg_phy[IWL_RX_INFO_RSSI_AB_IDX]); + rssi_a = (val & IWL_OFDM_RSSI_INBAND_A_MSK) >> IWL_OFDM_RSSI_A_POS; + rssi_b = (val & IWL_OFDM_RSSI_INBAND_B_MSK) >> IWL_OFDM_RSSI_B_POS; + val = le32_to_cpu(phy_info->non_cfg_phy[IWL_RX_INFO_RSSI_C_IDX]); + rssi_c = (val & IWL_OFDM_RSSI_INBAND_C_MSK) >> IWL_OFDM_RSSI_C_POS; + + val = le32_to_cpu(phy_info->non_cfg_phy[IWL_RX_INFO_AGC_IDX]); + agc_db = (val & IWL_OFDM_AGC_DB_MSK) >> IWL_OFDM_AGC_DB_POS; + + max_rssi = max_t(u32, rssi_a, rssi_b); + max_rssi = max_t(u32, max_rssi, rssi_c); + + IWL_DEBUG_STATS(mvm, "Rssi In A %d B %d C %d Max %d AGC dB %d\n", + rssi_a, rssi_b, rssi_c, max_rssi, agc_db); + + /* dBm = max_rssi dB - agc dB - constant. + * Higher AGC (higher radio gain) means lower signal. */ + return max_rssi - agc_db - IWL_RSSI_OFFSET; +} + +/* + * iwl_mvm_set_mac80211_rx_flag - translate fw status to mac80211 format + * @mvm: the mvm object + * @hdr: 80211 header + * @stats: status in mac80211's format + * @rx_pkt_status: status coming from fw + * + * returns non 0 value if the packet should be dropped + */ +static u32 iwl_mvm_set_mac80211_rx_flag(struct iwl_mvm *mvm, + struct ieee80211_hdr *hdr, + struct ieee80211_rx_status *stats, + u32 rx_pkt_status) +{ + if (!ieee80211_has_protected(hdr->frame_control) || + (rx_pkt_status & RX_MPDU_RES_STATUS_SEC_ENC_MSK) == + RX_MPDU_RES_STATUS_SEC_NO_ENC) + return 0; + + /* packet was encrypted with unknown alg */ + if ((rx_pkt_status & RX_MPDU_RES_STATUS_SEC_ENC_MSK) == + RX_MPDU_RES_STATUS_SEC_ENC_ERR) + return 0; + + switch (rx_pkt_status & RX_MPDU_RES_STATUS_SEC_ENC_MSK) { + case RX_MPDU_RES_STATUS_SEC_CCM_ENC: + /* alg is CCM: check MIC only */ + if (!(rx_pkt_status & RX_MPDU_RES_STATUS_MIC_OK)) + return -1; + + stats->flag |= RX_FLAG_DECRYPTED; + IWL_DEBUG_WEP(mvm, "hw decrypted CCMP successfully\n"); + return 0; + + case RX_MPDU_RES_STATUS_SEC_TKIP_ENC: + /* Don't drop the frame and decrypt it in SW */ + if (!(rx_pkt_status & RX_MPDU_RES_STATUS_TTAK_OK)) + return 0; + /* fall through if TTAK OK */ + + case RX_MPDU_RES_STATUS_SEC_WEP_ENC: + if (!(rx_pkt_status & RX_MPDU_RES_STATUS_ICV_OK)) + return -1; + + stats->flag |= RX_FLAG_DECRYPTED; + return 0; + + default: + IWL_ERR(mvm, "Unhandled alg: 0x%x\n", rx_pkt_status); + } + + return 0; +} + +/* + * iwl_mvm_rx_rx_mpdu - REPLY_RX_MPDU_CMD handler + * + * Handles the actual data of the Rx packet from the fw + */ +int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct ieee80211_hdr *hdr; + struct ieee80211_rx_status rx_status = {}; + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_rx_phy_info *phy_info; + struct iwl_rx_mpdu_res_start *rx_res; + u32 len; + u32 ampdu_status; + u32 rate_n_flags; + u32 rx_pkt_status; + + phy_info = &mvm->last_phy_info; + rx_res = (struct iwl_rx_mpdu_res_start *)pkt->data; + hdr = (struct ieee80211_hdr *)(pkt->data + sizeof(*rx_res)); + len = le16_to_cpu(rx_res->byte_count); + rx_pkt_status = le32_to_cpup((__le32 *) + (pkt->data + sizeof(*rx_res) + len)); + + memset(&rx_status, 0, sizeof(rx_status)); + + /* + * drop the packet if it has failed being decrypted by HW + */ + if (iwl_mvm_set_mac80211_rx_flag(mvm, hdr, &rx_status, rx_pkt_status)) { + IWL_DEBUG_DROP(mvm, "Bad decryption results 0x%08x\n", + rx_pkt_status); + return 0; + } + + if ((unlikely(phy_info->cfg_phy_cnt > 20))) { + IWL_DEBUG_DROP(mvm, "dsp size out of range [0,20]: %d\n", + phy_info->cfg_phy_cnt); + return 0; + } + + if (!(rx_pkt_status & RX_MPDU_RES_STATUS_CRC_OK) || + !(rx_pkt_status & RX_MPDU_RES_STATUS_OVERRUN_OK)) { + IWL_DEBUG_RX(mvm, "Bad CRC or FIFO: 0x%08X.\n", rx_pkt_status); + return 0; + } + + /* This will be used in several places later */ + rate_n_flags = le32_to_cpu(phy_info->rate_n_flags); + + /* rx_status carries information about the packet to mac80211 */ + rx_status.mactime = le64_to_cpu(phy_info->timestamp); + rx_status.band = + (phy_info->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_BAND_24)) ? + IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; + rx_status.freq = + ieee80211_channel_to_frequency(le16_to_cpu(phy_info->channel), + rx_status.band); + /* + * TSF as indicated by the fw is at INA time, but mac80211 expects the + * TSF at the beginning of the MPDU. + */ + /*rx_status.flag |= RX_FLAG_MACTIME_MPDU;*/ + + /* Find max signal strength (dBm) among 3 antenna/receiver chains */ + rx_status.signal = iwl_mvm_calc_rssi(mvm, phy_info); + + IWL_DEBUG_STATS_LIMIT(mvm, "Rssi %d, TSF %llu\n", rx_status.signal, + (unsigned long long)rx_status.mactime); + + /* + * "antenna number" + * + * It seems that the antenna field in the phy flags value + * is actually a bit field. This is undefined by radiotap, + * it wants an actual antenna number but I always get "7" + * for most legacy frames I receive indicating that the + * same frame was received on all three RX chains. + * + * I think this field should be removed in favor of a + * new 802.11n radiotap field "RX chains" that is defined + * as a bitmask. + */ + rx_status.antenna = (le16_to_cpu(phy_info->phy_flags) & + RX_RES_PHY_FLAGS_ANTENNA) + >> RX_RES_PHY_FLAGS_ANTENNA_POS; + + /* set the preamble flag if appropriate */ + if (phy_info->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_SHORT_PREAMBLE)) + rx_status.flag |= RX_FLAG_SHORTPRE; + + if (phy_info->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_AGG)) { + /* + * We know which subframes of an A-MPDU belong + * together since we get a single PHY response + * from the firmware for all of them + */ + rx_status.flag |= RX_FLAG_AMPDU_DETAILS; + rx_status.ampdu_reference = mvm->ampdu_ref; + } + + /* Set up the HT phy flags */ + switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { + case RATE_MCS_CHAN_WIDTH_20: + break; + case RATE_MCS_CHAN_WIDTH_40: + rx_status.flag |= RX_FLAG_40MHZ; + break; + case RATE_MCS_CHAN_WIDTH_80: + rx_status.flag |= RX_FLAG_80MHZ; + break; + case RATE_MCS_CHAN_WIDTH_160: + rx_status.flag |= RX_FLAG_160MHZ; + break; + } + if (rate_n_flags & RATE_MCS_SGI_MSK) + rx_status.flag |= RX_FLAG_SHORT_GI; + if (rate_n_flags & RATE_HT_MCS_GF_MSK) + rx_status.flag |= RX_FLAG_HT_GF; + if (rate_n_flags & RATE_MCS_HT_MSK) { + rx_status.flag |= RX_FLAG_HT; + rx_status.rate_idx = rate_n_flags & RATE_HT_MCS_INDEX_MSK; + } else if (rate_n_flags & RATE_MCS_VHT_MSK) { + rx_status.vht_nss = + ((rate_n_flags & RATE_VHT_MCS_NSS_MSK) >> + RATE_VHT_MCS_NSS_POS) + 1; + rx_status.rate_idx = rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK; + rx_status.flag |= RX_FLAG_VHT; + } else { + rx_status.rate_idx = + iwl_mvm_legacy_rate_to_mac80211_idx(rate_n_flags, + rx_status.band); + } + + iwl_mvm_pass_packet_to_mac80211(mvm, hdr, len, ampdu_status, + rxb, &rx_status); + return 0; +} diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c new file mode 100644 index 000000000000..406c53ad0a49 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -0,0 +1,437 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#include <linux/etherdevice.h> +#include <net/mac80211.h> + +#include "mvm.h" +#include "iwl-eeprom-parse.h" +#include "fw-api-scan.h" + +#define IWL_PLCP_QUIET_THRESH 1 +#define IWL_ACTIVE_QUIET_TIME 10 + +static inline __le16 iwl_mvm_scan_rx_chain(struct iwl_mvm *mvm) +{ + u16 rx_chain; + u8 rx_ant = mvm->nvm_data->valid_rx_ant; + + rx_chain = rx_ant << PHY_RX_CHAIN_VALID_POS; + rx_chain |= rx_ant << PHY_RX_CHAIN_FORCE_MIMO_SEL_POS; + rx_chain |= rx_ant << PHY_RX_CHAIN_FORCE_SEL_POS; + rx_chain |= 0x1 << PHY_RX_CHAIN_DRIVER_FORCE_POS; + return cpu_to_le16(rx_chain); +} + +static inline __le32 iwl_mvm_scan_max_out_time(struct ieee80211_vif *vif) +{ + if (vif->bss_conf.assoc) + return cpu_to_le32(200 * 1024); + else + return 0; +} + +static inline __le32 iwl_mvm_scan_suspend_time(struct ieee80211_vif *vif) +{ + if (vif->bss_conf.assoc) + return cpu_to_le32(vif->bss_conf.beacon_int); + else + return 0; +} + +static inline __le32 +iwl_mvm_scan_rxon_flags(struct cfg80211_scan_request *req) +{ + if (req->channels[0]->band == IEEE80211_BAND_2GHZ) + return cpu_to_le32(PHY_BAND_24); + else + return cpu_to_le32(PHY_BAND_5); +} + +static inline __le32 +iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum ieee80211_band band, + bool no_cck) +{ + u32 tx_ant; + + mvm->scan_last_antenna_idx = + iwl_mvm_next_antenna(mvm, mvm->nvm_data->valid_tx_ant, + mvm->scan_last_antenna_idx); + tx_ant = BIT(mvm->scan_last_antenna_idx) << RATE_MCS_ANT_POS; + + if (band == IEEE80211_BAND_2GHZ && !no_cck) + return cpu_to_le32(IWL_RATE_1M_PLCP | RATE_MCS_CCK_MSK | + tx_ant); + else + return cpu_to_le32(IWL_RATE_6M_PLCP | tx_ant); +} + +/* + * We insert the SSIDs in an inverted order, because the FW will + * invert it back. The most prioritized SSID, which is first in the + * request list, is not copied here, but inserted directly to the probe + * request. + */ +static void iwl_mvm_scan_fill_ssids(struct iwl_scan_cmd *cmd, + struct cfg80211_scan_request *req) +{ + int fw_idx, req_idx; + + fw_idx = 0; + for (req_idx = req->n_ssids - 1; req_idx > 0; req_idx--) { + cmd->direct_scan[fw_idx].id = WLAN_EID_SSID; + cmd->direct_scan[fw_idx].len = req->ssids[req_idx].ssid_len; + memcpy(cmd->direct_scan[fw_idx].ssid, + req->ssids[req_idx].ssid, + req->ssids[req_idx].ssid_len); + } +} + +/* + * If req->n_ssids > 0, it means we should do an active scan. + * In case of active scan w/o directed scan, we receive a zero-length SSID + * just to notify that this scan is active and not passive. + * In order to notify the FW of the number of SSIDs we wish to scan (including + * the zero-length one), we need to set the corresponding bits in chan->type, + * one for each SSID, and set the active bit (first). + */ +static u16 iwl_mvm_get_active_dwell(enum ieee80211_band band, int n_ssids) +{ + if (band == IEEE80211_BAND_2GHZ) + return 30 + 3 * (n_ssids + 1); + return 20 + 2 * (n_ssids + 1); +} + +static u16 iwl_mvm_get_passive_dwell(enum ieee80211_band band) +{ + return band == IEEE80211_BAND_2GHZ ? 100 + 20 : 100 + 10; +} + +static void iwl_mvm_scan_fill_channels(struct iwl_scan_cmd *cmd, + struct cfg80211_scan_request *req) +{ + u16 passive_dwell = iwl_mvm_get_passive_dwell(req->channels[0]->band); + u16 active_dwell = iwl_mvm_get_active_dwell(req->channels[0]->band, + req->n_ssids); + struct iwl_scan_channel *chan = (struct iwl_scan_channel *) + (cmd->data + le16_to_cpu(cmd->tx_cmd.len)); + int i; + __le32 chan_type_value; + + if (req->n_ssids > 0) + chan_type_value = cpu_to_le32(BIT(req->n_ssids + 1) - 1); + else + chan_type_value = SCAN_CHANNEL_TYPE_PASSIVE; + + for (i = 0; i < cmd->channel_count; i++) { + chan->channel = cpu_to_le16(req->channels[i]->hw_value); + if (req->channels[i]->flags & IEEE80211_CHAN_PASSIVE_SCAN) + chan->type = SCAN_CHANNEL_TYPE_PASSIVE; + else + chan->type = chan_type_value; + chan->active_dwell = cpu_to_le16(active_dwell); + chan->passive_dwell = cpu_to_le16(passive_dwell); + chan->iteration_count = cpu_to_le16(1); + chan++; + } +} + +/* + * Fill in probe request with the following parameters: + * TA is our vif HW address, which mac80211 ensures we have. + * Packet is broadcasted, so this is both SA and DA. + * The probe request IE is made out of two: first comes the most prioritized + * SSID if a directed scan is requested. Second comes whatever extra + * information was given to us as the scan request IE. + */ +static u16 iwl_mvm_fill_probe_req(struct ieee80211_mgmt *frame, const u8 *ta, + int n_ssids, const u8 *ssid, int ssid_len, + const u8 *ie, int ie_len, + int left) +{ + int len = 0; + u8 *pos = NULL; + + /* Make sure there is enough space for the probe request, + * two mandatory IEs and the data */ + left -= 24; + if (left < 0) + return 0; + + frame->frame_control = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); + eth_broadcast_addr(frame->da); + memcpy(frame->sa, ta, ETH_ALEN); + eth_broadcast_addr(frame->bssid); + frame->seq_ctrl = 0; + + len += 24; + + /* for passive scans, no need to fill anything */ + if (n_ssids == 0) + return (u16)len; + + /* points to the payload of the request */ + pos = &frame->u.probe_req.variable[0]; + + /* fill in our SSID IE */ + left -= ssid_len + 2; + if (left < 0) + return 0; + *pos++ = WLAN_EID_SSID; + *pos++ = ssid_len; + if (ssid && ssid_len) { /* ssid_len may be == 0 even if ssid is valid */ + memcpy(pos, ssid, ssid_len); + pos += ssid_len; + } + + len += ssid_len + 2; + + if (WARN_ON(left < ie_len)) + return len; + + if (ie && ie_len) { + memcpy(pos, ie, ie_len); + len += ie_len; + } + + return (u16)len; +} + +int iwl_mvm_scan_request(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct cfg80211_scan_request *req) +{ + struct iwl_host_cmd hcmd = { + .id = SCAN_REQUEST_CMD, + .len = { 0, }, + .data = { mvm->scan_cmd, }, + .flags = CMD_SYNC, + .dataflags = { IWL_HCMD_DFL_NOCOPY, }, + }; + struct iwl_scan_cmd *cmd = mvm->scan_cmd; + int ret; + u32 status; + int ssid_len = 0; + u8 *ssid = NULL; + + lockdep_assert_held(&mvm->mutex); + BUG_ON(mvm->scan_cmd == NULL); + + IWL_DEBUG_SCAN(mvm, "Handling mac80211 scan request\n"); + mvm->scan_status = IWL_MVM_SCAN_OS; + memset(cmd, 0, sizeof(struct iwl_scan_cmd) + + mvm->fw->ucode_capa.max_probe_length + + (MAX_NUM_SCAN_CHANNELS * sizeof(struct iwl_scan_channel))); + + cmd->channel_count = (u8)req->n_channels; + cmd->quiet_time = cpu_to_le16(IWL_ACTIVE_QUIET_TIME); + cmd->quiet_plcp_th = cpu_to_le16(IWL_PLCP_QUIET_THRESH); + cmd->rxchain_sel_flags = iwl_mvm_scan_rx_chain(mvm); + cmd->max_out_time = iwl_mvm_scan_max_out_time(vif); + cmd->suspend_time = iwl_mvm_scan_suspend_time(vif); + cmd->rxon_flags = iwl_mvm_scan_rxon_flags(req); + cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP | + MAC_FILTER_IN_BEACON); + cmd->type = SCAN_TYPE_FORCED; + cmd->repeats = cpu_to_le32(1); + + /* + * If the user asked for passive scan, don't change to active scan if + * you see any activity on the channel - remain passive. + */ + if (req->n_ssids > 0) { + cmd->passive2active = cpu_to_le16(1); + ssid = req->ssids[0].ssid; + ssid_len = req->ssids[0].ssid_len; + } else { + cmd->passive2active = 0; + } + + iwl_mvm_scan_fill_ssids(cmd, req); + + cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL); + cmd->tx_cmd.sta_id = mvm->aux_sta.sta_id; + cmd->tx_cmd.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE); + cmd->tx_cmd.rate_n_flags = + iwl_mvm_scan_rate_n_flags(mvm, req->channels[0]->band, + req->no_cck); + + cmd->tx_cmd.len = + cpu_to_le16(iwl_mvm_fill_probe_req( + (struct ieee80211_mgmt *)cmd->data, + vif->addr, + req->n_ssids, ssid, ssid_len, + req->ie, req->ie_len, + mvm->fw->ucode_capa.max_probe_length)); + + iwl_mvm_scan_fill_channels(cmd, req); + + cmd->len = cpu_to_le16(sizeof(struct iwl_scan_cmd) + + le16_to_cpu(cmd->tx_cmd.len) + + (cmd->channel_count * sizeof(struct iwl_scan_channel))); + hcmd.len[0] = le16_to_cpu(cmd->len); + + status = SCAN_RESPONSE_OK; + ret = iwl_mvm_send_cmd_status(mvm, &hcmd, &status); + if (!ret && status == SCAN_RESPONSE_OK) { + IWL_DEBUG_SCAN(mvm, "Scan request was sent successfully\n"); + } else { + /* + * If the scan failed, it usually means that the FW was unable + * to allocate the time events. Warn on it, but maybe we + * should try to send the command again with different params. + */ + IWL_ERR(mvm, "Scan failed! status 0x%x ret %d\n", + status, ret); + mvm->scan_status = IWL_MVM_SCAN_NONE; + ret = -EIO; + } + return ret; +} + +int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_cmd_response *resp = (void *)pkt->data; + + IWL_DEBUG_SCAN(mvm, "Scan response received. status 0x%x\n", + le32_to_cpu(resp->status)); + return 0; +} + +int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_scan_complete_notif *notif = (void *)pkt->data; + + IWL_DEBUG_SCAN(mvm, "Scan complete: status=0x%x scanned channels=%d\n", + notif->status, notif->scanned_channels); + + mvm->scan_status = IWL_MVM_SCAN_NONE; + ieee80211_scan_completed(mvm->hw, notif->status != SCAN_COMP_STATUS_OK); + + return 0; +} + +static bool iwl_mvm_scan_abort_notif(struct iwl_notif_wait_data *notif_wait, + struct iwl_rx_packet *pkt, void *data) +{ + struct iwl_mvm *mvm = + container_of(notif_wait, struct iwl_mvm, notif_wait); + struct iwl_scan_complete_notif *notif; + u32 *resp; + + switch (pkt->hdr.cmd) { + case SCAN_ABORT_CMD: + resp = (void *)pkt->data; + if (*resp == CAN_ABORT_STATUS) { + IWL_DEBUG_SCAN(mvm, + "Scan can be aborted, wait until completion\n"); + return false; + } + + IWL_DEBUG_SCAN(mvm, "Scan cannot be aborted, exit now: %d\n", + *resp); + return true; + + case SCAN_COMPLETE_NOTIFICATION: + notif = (void *)pkt->data; + IWL_DEBUG_SCAN(mvm, "Scan aborted: status 0x%x\n", + notif->status); + return true; + + default: + WARN_ON(1); + return false; + }; +} + +void iwl_mvm_cancel_scan(struct iwl_mvm *mvm) +{ + struct iwl_notification_wait wait_scan_abort; + static const u8 scan_abort_notif[] = { SCAN_ABORT_CMD, + SCAN_COMPLETE_NOTIFICATION }; + int ret; + + iwl_init_notification_wait(&mvm->notif_wait, &wait_scan_abort, + scan_abort_notif, + ARRAY_SIZE(scan_abort_notif), + iwl_mvm_scan_abort_notif, NULL); + + ret = iwl_mvm_send_cmd_pdu(mvm, SCAN_ABORT_CMD, CMD_SYNC, 0, NULL); + if (ret) { + IWL_ERR(mvm, "Couldn't send SCAN_ABORT_CMD: %d\n", ret); + goto out_remove_notif; + } + + ret = iwl_wait_notification(&mvm->notif_wait, &wait_scan_abort, 1 * HZ); + if (ret) + IWL_ERR(mvm, "%s - failed on timeout\n", __func__); + + return; + +out_remove_notif: + iwl_remove_notification(&mvm->notif_wait, &wait_scan_abort); +} diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c new file mode 100644 index 000000000000..69603c3b2b39 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -0,0 +1,1211 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#include <net/mac80211.h> + +#include "mvm.h" +#include "sta.h" + +static int iwl_mvm_find_free_sta_id(struct iwl_mvm *mvm) +{ + int sta_id; + + WARN_ON_ONCE(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)); + + lockdep_assert_held(&mvm->mutex); + + /* Don't take rcu_read_lock() since we are protected by mvm->mutex */ + for (sta_id = 0; sta_id < IWL_MVM_STATION_COUNT; sta_id++) + if (!rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], + lockdep_is_held(&mvm->mutex))) + return sta_id; + return IWL_MVM_STATION_COUNT; +} + +/* add a NEW station to fw */ +int iwl_mvm_sta_add_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta) +{ + struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv; + struct iwl_mvm_add_sta_cmd add_sta_cmd; + int ret; + u32 status; + u32 agg_size = 0, mpdu_dens = 0; + + memset(&add_sta_cmd, 0, sizeof(add_sta_cmd)); + + add_sta_cmd.sta_id = mvm_sta->sta_id; + add_sta_cmd.mac_id_n_color = cpu_to_le32(mvm_sta->mac_id_n_color); + add_sta_cmd.tfd_queue_msk = cpu_to_le32(mvm_sta->tfd_queue_msk); + memcpy(&add_sta_cmd.addr, sta->addr, ETH_ALEN); + + /* STA_FLG_FAT_EN_MSK ? */ + /* STA_FLG_MIMO_EN_MSK ? */ + + if (sta->ht_cap.ht_supported) { + add_sta_cmd.station_flags_msk |= + cpu_to_le32(STA_FLG_MAX_AGG_SIZE_MSK | + STA_FLG_AGG_MPDU_DENS_MSK); + + mpdu_dens = sta->ht_cap.ampdu_density; + } + + if (sta->vht_cap.vht_supported) { + agg_size = sta->vht_cap.cap & + IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK; + agg_size >>= + IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT; + } else if (sta->ht_cap.ht_supported) { + agg_size = sta->ht_cap.ampdu_factor; + } + + add_sta_cmd.station_flags |= + cpu_to_le32(agg_size << STA_FLG_MAX_AGG_SIZE_SHIFT); + add_sta_cmd.station_flags |= + cpu_to_le32(mpdu_dens << STA_FLG_AGG_MPDU_DENS_SHIFT); + + status = ADD_STA_SUCCESS; + ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA, sizeof(add_sta_cmd), + &add_sta_cmd, &status); + if (ret) + return ret; + + switch (status) { + case ADD_STA_SUCCESS: + IWL_DEBUG_ASSOC(mvm, "ADD_STA PASSED\n"); + break; + default: + ret = -EIO; + IWL_ERR(mvm, "ADD_STA failed\n"); + break; + } + + return ret; +} + +int iwl_mvm_add_sta(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv; + int i, ret, sta_id; + + lockdep_assert_held(&mvm->mutex); + + if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) + sta_id = iwl_mvm_find_free_sta_id(mvm); + else + sta_id = mvm_sta->sta_id; + + if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT)) + return -ENOSPC; + + spin_lock_init(&mvm_sta->lock); + + mvm_sta->sta_id = sta_id; + mvm_sta->mac_id_n_color = FW_CMD_ID_AND_COLOR(mvmvif->id, + mvmvif->color); + mvm_sta->vif = vif; + mvm_sta->max_agg_bufsize = LINK_QUAL_AGG_FRAME_LIMIT_DEF; + + /* HW restart, don't assume the memory has been zeroed */ + atomic_set(&mvm_sta->pending_frames, 0); + mvm_sta->tid_disable_agg = 0; + mvm_sta->tfd_queue_msk = 0; + for (i = 0; i < IEEE80211_NUM_ACS; i++) + if (vif->hw_queue[i] != IEEE80211_INVAL_HW_QUEUE) + mvm_sta->tfd_queue_msk |= BIT(vif->hw_queue[i]); + + if (vif->cab_queue != IEEE80211_INVAL_HW_QUEUE) + mvm_sta->tfd_queue_msk |= BIT(vif->cab_queue); + + /* for HW restart - need to reset the seq_number etc... */ + memset(mvm_sta->tid_data, 0, sizeof(mvm_sta->tid_data)); + + ret = iwl_mvm_sta_add_to_fw(mvm, sta); + if (ret) + return ret; + + /* The first station added is the AP, the others are TDLS STAs */ + if (vif->type == NL80211_IFTYPE_STATION && + mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT) + mvmvif->ap_sta_id = sta_id; + + rcu_assign_pointer(mvm->fw_id_to_mac_id[sta_id], sta); + + return 0; +} + +int iwl_mvm_drain_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, + bool drain) +{ + struct iwl_mvm_add_sta_cmd cmd = {}; + int ret; + u32 status; + + lockdep_assert_held(&mvm->mutex); + + cmd.mac_id_n_color = cpu_to_le32(mvmsta->mac_id_n_color); + cmd.sta_id = mvmsta->sta_id; + cmd.add_modify = STA_MODE_MODIFY; + cmd.station_flags = drain ? cpu_to_le32(STA_FLG_DRAIN_FLOW) : 0; + cmd.station_flags_msk = cpu_to_le32(STA_FLG_DRAIN_FLOW); + + status = ADD_STA_SUCCESS; + ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA, sizeof(cmd), + &cmd, &status); + if (ret) + return ret; + + switch (status) { + case ADD_STA_SUCCESS: + IWL_DEBUG_INFO(mvm, "Frames for staid %d will drained in fw\n", + mvmsta->sta_id); + break; + default: + ret = -EIO; + IWL_ERR(mvm, "Couldn't drain frames for staid %d\n", + mvmsta->sta_id); + break; + } + + return ret; +} + +/* + * Remove a station from the FW table. Before sending the command to remove + * the station validate that the station is indeed known to the driver (sanity + * only). + */ +static int iwl_mvm_rm_sta_common(struct iwl_mvm *mvm, u8 sta_id) +{ + struct ieee80211_sta *sta; + struct iwl_mvm_rm_sta_cmd rm_sta_cmd = { + .sta_id = sta_id, + }; + int ret; + + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], + lockdep_is_held(&mvm->mutex)); + + /* Note: internal stations are marked as error values */ + if (!sta) { + IWL_ERR(mvm, "Invalid station id\n"); + return -EINVAL; + } + + ret = iwl_mvm_send_cmd_pdu(mvm, REMOVE_STA, CMD_SYNC, + sizeof(rm_sta_cmd), &rm_sta_cmd); + if (ret) { + IWL_ERR(mvm, "Failed to remove station. Id=%d\n", sta_id); + return ret; + } + + return 0; +} + +void iwl_mvm_sta_drained_wk(struct work_struct *wk) +{ + struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, sta_drained_wk); + u8 sta_id; + + /* + * The mutex is needed because of the SYNC cmd, but not only: if the + * work would run concurrently with iwl_mvm_rm_sta, it would run before + * iwl_mvm_rm_sta sets the station as busy, and exit. Then + * iwl_mvm_rm_sta would set the station as busy, and nobody will clean + * that later. + */ + mutex_lock(&mvm->mutex); + + for_each_set_bit(sta_id, mvm->sta_drained, IWL_MVM_STATION_COUNT) { + int ret; + struct ieee80211_sta *sta = + rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], + lockdep_is_held(&mvm->mutex)); + + /* This station is in use */ + if (!IS_ERR(sta)) + continue; + + if (PTR_ERR(sta) == -EINVAL) { + IWL_ERR(mvm, "Drained sta %d, but it is internal?\n", + sta_id); + continue; + } + + if (!sta) { + IWL_ERR(mvm, "Drained sta %d, but it was NULL?\n", + sta_id); + continue; + } + + WARN_ON(PTR_ERR(sta) != -EBUSY); + /* This station was removed and we waited until it got drained, + * we can now proceed and remove it. + */ + ret = iwl_mvm_rm_sta_common(mvm, sta_id); + if (ret) { + IWL_ERR(mvm, + "Couldn't remove sta %d after it was drained\n", + sta_id); + continue; + } + rcu_assign_pointer(mvm->fw_id_to_mac_id[sta_id], NULL); + clear_bit(sta_id, mvm->sta_drained); + } + + mutex_unlock(&mvm->mutex); +} + +int iwl_mvm_rm_sta(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv; + int ret; + + lockdep_assert_held(&mvm->mutex); + + if (vif->type == NL80211_IFTYPE_STATION && + mvmvif->ap_sta_id == mvm_sta->sta_id) { + /* + * Put a non-NULL since the fw station isn't removed. + * It will be removed after the MAC will be set as + * unassoc. + */ + rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], + ERR_PTR(-EINVAL)); + + /* flush its queues here since we are freeing mvm_sta */ + ret = iwl_mvm_flush_tx_path(mvm, mvm_sta->tfd_queue_msk, true); + + /* if we are associated - we can't remove the AP STA now */ + if (vif->bss_conf.assoc) + return ret; + + /* unassoc - go ahead - remove the AP STA now */ + mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT; + } + + /* + * There are frames pending on the AC queues for this station. + * We need to wait until all the frames are drained... + */ + if (atomic_read(&mvm_sta->pending_frames)) { + ret = iwl_mvm_drain_sta(mvm, mvm_sta, true); + rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], + ERR_PTR(-EBUSY)); + } else { + ret = iwl_mvm_rm_sta_common(mvm, mvm_sta->sta_id); + rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], NULL); + } + + return ret; +} + +int iwl_mvm_rm_sta_id(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u8 sta_id) +{ + int ret = iwl_mvm_rm_sta_common(mvm, sta_id); + + lockdep_assert_held(&mvm->mutex); + + rcu_assign_pointer(mvm->fw_id_to_mac_id[sta_id], NULL); + return ret; +} + +int iwl_mvm_allocate_int_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *sta, + u32 qmask) +{ + if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { + sta->sta_id = iwl_mvm_find_free_sta_id(mvm); + if (WARN_ON_ONCE(sta->sta_id == IWL_MVM_STATION_COUNT)) + return -ENOSPC; + } + + sta->tfd_queue_msk = qmask; + + /* put a non-NULL value so iterating over the stations won't stop */ + rcu_assign_pointer(mvm->fw_id_to_mac_id[sta->sta_id], ERR_PTR(-EINVAL)); + return 0; +} + +void iwl_mvm_dealloc_int_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *sta) +{ + rcu_assign_pointer(mvm->fw_id_to_mac_id[sta->sta_id], NULL); + memset(sta, 0, sizeof(struct iwl_mvm_int_sta)); + sta->sta_id = IWL_MVM_STATION_COUNT; +} + +static int iwl_mvm_add_int_sta_common(struct iwl_mvm *mvm, + struct iwl_mvm_int_sta *sta, + const u8 *addr, + u16 mac_id, u16 color) +{ + struct iwl_mvm_add_sta_cmd cmd; + int ret; + u32 status; + + lockdep_assert_held(&mvm->mutex); + + memset(&cmd, 0, sizeof(struct iwl_mvm_add_sta_cmd)); + cmd.sta_id = sta->sta_id; + cmd.mac_id_n_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mac_id, + color)); + + cmd.tfd_queue_msk = cpu_to_le32(sta->tfd_queue_msk); + + if (addr) + memcpy(cmd.addr, addr, ETH_ALEN); + + ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA, sizeof(cmd), + &cmd, &status); + if (ret) + return ret; + + switch (status) { + case ADD_STA_SUCCESS: + IWL_DEBUG_INFO(mvm, "Internal station added.\n"); + return 0; + default: + ret = -EIO; + IWL_ERR(mvm, "Add internal station failed, status=0x%x\n", + status); + break; + } + return ret; +} + +int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm) +{ + int ret; + + lockdep_assert_held(&mvm->mutex); + + /* Add the aux station, but without any queues */ + ret = iwl_mvm_allocate_int_sta(mvm, &mvm->aux_sta, 0); + if (ret) + return ret; + + ret = iwl_mvm_add_int_sta_common(mvm, &mvm->aux_sta, NULL, + MAC_INDEX_AUX, 0); + + if (ret) + iwl_mvm_dealloc_int_sta(mvm, &mvm->aux_sta); + return ret; +} + +/* + * Send the add station command for the vif's broadcast station. + * Assumes that the station was already allocated. + * + * @mvm: the mvm component + * @vif: the interface to which the broadcast station is added + * @bsta: the broadcast station to add. + */ +int iwl_mvm_send_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_mvm_int_sta *bsta) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + static const u8 baddr[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; + + lockdep_assert_held(&mvm->mutex); + + if (WARN_ON_ONCE(bsta->sta_id == IWL_MVM_STATION_COUNT)) + return -ENOSPC; + + return iwl_mvm_add_int_sta_common(mvm, bsta, baddr, + mvmvif->id, mvmvif->color); +} + +/* Send the FW a request to remove the station from it's internal data + * structures, but DO NOT remove the entry from the local data structures. */ +int iwl_mvm_send_rm_bcast_sta(struct iwl_mvm *mvm, + struct iwl_mvm_int_sta *bsta) +{ + int ret; + + lockdep_assert_held(&mvm->mutex); + + ret = iwl_mvm_rm_sta_common(mvm, bsta->sta_id); + if (ret) + IWL_WARN(mvm, "Failed sending remove station\n"); + return ret; +} + +/* Allocate a new station entry for the broadcast station to the given vif, + * and send it to the FW. + * Note that each P2P mac should have its own broadcast station. + * + * @mvm: the mvm component + * @vif: the interface to which the broadcast station is added + * @bsta: the broadcast station to add. */ +int iwl_mvm_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_mvm_int_sta *bsta) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + static const u8 baddr[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; + u32 qmask; + int ret; + + lockdep_assert_held(&mvm->mutex); + + qmask = iwl_mvm_mac_get_queues_mask(mvm, vif); + ret = iwl_mvm_allocate_int_sta(mvm, bsta, qmask); + if (ret) + return ret; + + ret = iwl_mvm_add_int_sta_common(mvm, bsta, baddr, + mvmvif->id, mvmvif->color); + + if (ret) + iwl_mvm_dealloc_int_sta(mvm, bsta); + return ret; +} + +/* + * Send the FW a request to remove the station from it's internal data + * structures, and in addition remove it from the local data structure. + */ +int iwl_mvm_rm_bcast_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *bsta) +{ + int ret; + + lockdep_assert_held(&mvm->mutex); + + ret = iwl_mvm_rm_sta_common(mvm, bsta->sta_id); + if (ret) + return ret; + + iwl_mvm_dealloc_int_sta(mvm, bsta); + return ret; +} + +int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, + int tid, u16 ssn, bool start) +{ + struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv; + struct iwl_mvm_add_sta_cmd cmd = {}; + int ret; + u32 status; + + lockdep_assert_held(&mvm->mutex); + + cmd.mac_id_n_color = cpu_to_le32(mvm_sta->mac_id_n_color); + cmd.sta_id = mvm_sta->sta_id; + cmd.add_modify = STA_MODE_MODIFY; + cmd.add_immediate_ba_tid = (u8) tid; + cmd.add_immediate_ba_ssn = cpu_to_le16(ssn); + cmd.modify_mask = start ? STA_MODIFY_ADD_BA_TID : + STA_MODIFY_REMOVE_BA_TID; + + status = ADD_STA_SUCCESS; + ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA, sizeof(cmd), + &cmd, &status); + if (ret) + return ret; + + switch (status) { + case ADD_STA_SUCCESS: + IWL_DEBUG_INFO(mvm, "RX BA Session %sed in fw\n", + start ? "start" : "stopp"); + break; + case ADD_STA_IMMEDIATE_BA_FAILURE: + IWL_WARN(mvm, "RX BA Session refused by fw\n"); + ret = -ENOSPC; + break; + default: + ret = -EIO; + IWL_ERR(mvm, "RX BA Session failed %sing, status 0x%x\n", + start ? "start" : "stopp", status); + break; + } + + return ret; +} + +static int iwl_mvm_sta_tx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, + int tid, u8 queue, bool start) +{ + struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv; + struct iwl_mvm_add_sta_cmd cmd = {}; + int ret; + u32 status; + + lockdep_assert_held(&mvm->mutex); + + if (start) { + mvm_sta->tfd_queue_msk |= BIT(queue); + mvm_sta->tid_disable_agg &= ~BIT(tid); + } else { + mvm_sta->tfd_queue_msk &= ~BIT(queue); + mvm_sta->tid_disable_agg |= BIT(tid); + } + + cmd.mac_id_n_color = cpu_to_le32(mvm_sta->mac_id_n_color); + cmd.sta_id = mvm_sta->sta_id; + cmd.add_modify = STA_MODE_MODIFY; + cmd.modify_mask = STA_MODIFY_QUEUES | STA_MODIFY_TID_DISABLE_TX; + cmd.tfd_queue_msk = cpu_to_le32(mvm_sta->tfd_queue_msk); + cmd.tid_disable_tx = cpu_to_le16(mvm_sta->tid_disable_agg); + + status = ADD_STA_SUCCESS; + ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA, sizeof(cmd), + &cmd, &status); + if (ret) + return ret; + + switch (status) { + case ADD_STA_SUCCESS: + break; + default: + ret = -EIO; + IWL_ERR(mvm, "TX BA Session failed %sing, status 0x%x\n", + start ? "start" : "stopp", status); + break; + } + + return ret; +} + +static const u8 tid_to_ac[] = { + IEEE80211_AC_BE, + IEEE80211_AC_BK, + IEEE80211_AC_BK, + IEEE80211_AC_BE, + IEEE80211_AC_VI, + IEEE80211_AC_VI, + IEEE80211_AC_VO, + IEEE80211_AC_VO, +}; + +int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, u16 tid, u16 *ssn) +{ + struct iwl_mvm_sta *mvmsta = (void *)sta->drv_priv; + struct iwl_mvm_tid_data *tid_data; + int txq_id; + + if (WARN_ON_ONCE(tid >= IWL_MAX_TID_COUNT)) + return -EINVAL; + + if (mvmsta->tid_data[tid].state != IWL_AGG_OFF) { + IWL_ERR(mvm, "Start AGG when state is not IWL_AGG_OFF %d!\n", + mvmsta->tid_data[tid].state); + return -ENXIO; + } + + lockdep_assert_held(&mvm->mutex); + + for (txq_id = IWL_MVM_FIRST_AGG_QUEUE; + txq_id <= IWL_MVM_LAST_AGG_QUEUE; txq_id++) + if (mvm->queue_to_mac80211[txq_id] == + IWL_INVALID_MAC80211_QUEUE) + break; + + if (txq_id > IWL_MVM_LAST_AGG_QUEUE) { + IWL_ERR(mvm, "Failed to allocate agg queue\n"); + return -EIO; + } + + /* the new tx queue is still connected to the same mac80211 queue */ + mvm->queue_to_mac80211[txq_id] = vif->hw_queue[tid_to_ac[tid]]; + + spin_lock_bh(&mvmsta->lock); + tid_data = &mvmsta->tid_data[tid]; + tid_data->ssn = SEQ_TO_SN(tid_data->seq_number); + tid_data->txq_id = txq_id; + *ssn = tid_data->ssn; + + IWL_DEBUG_TX_QUEUES(mvm, + "Start AGG: sta %d tid %d queue %d - ssn = %d, next_recl = %d\n", + mvmsta->sta_id, tid, txq_id, tid_data->ssn, + tid_data->next_reclaimed); + + if (tid_data->ssn == tid_data->next_reclaimed) { + tid_data->state = IWL_AGG_STARTING; + ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); + } else { + tid_data->state = IWL_EMPTYING_HW_QUEUE_ADDBA; + } + + spin_unlock_bh(&mvmsta->lock); + + return 0; +} + +int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, u16 tid, u8 buf_size) +{ + struct iwl_mvm_sta *mvmsta = (void *)sta->drv_priv; + struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; + int queue, fifo, ret; + u16 ssn; + + buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF); + + spin_lock_bh(&mvmsta->lock); + ssn = tid_data->ssn; + queue = tid_data->txq_id; + tid_data->state = IWL_AGG_ON; + tid_data->ssn = 0xffff; + spin_unlock_bh(&mvmsta->lock); + + fifo = iwl_mvm_ac_to_tx_fifo[tid_to_ac[tid]]; + + ret = iwl_mvm_sta_tx_agg(mvm, sta, tid, queue, true); + if (ret) + return -EIO; + + iwl_trans_txq_enable(mvm->trans, queue, fifo, mvmsta->sta_id, tid, + buf_size, ssn); + + /* + * Even though in theory the peer could have different + * aggregation reorder buffer sizes for different sessions, + * our ucode doesn't allow for that and has a global limit + * for each station. Therefore, use the minimum of all the + * aggregation sessions and our default value. + */ + mvmsta->max_agg_bufsize = + min(mvmsta->max_agg_bufsize, buf_size); + mvmsta->lq_sta.lq.agg_frame_cnt_limit = mvmsta->max_agg_bufsize; + + if (mvm->cfg->ht_params->use_rts_for_aggregation) { + /* + * switch to RTS/CTS if it is the prefer protection + * method for HT traffic + */ + mvmsta->lq_sta.lq.flags |= LQ_FLAG_SET_STA_TLC_RTS_MSK; + /* + * TODO: remove the TLC_RTS flag when we tear down the last + * AGG session (agg_tids_count in DVM) + */ + } + + IWL_DEBUG_HT(mvm, "Tx aggregation enabled on ra = %pM tid = %d\n", + sta->addr, tid); + + return iwl_mvm_send_lq_cmd(mvm, &mvmsta->lq_sta.lq, CMD_ASYNC, false); +} + +int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, u16 tid) +{ + struct iwl_mvm_sta *mvmsta = (void *)sta->drv_priv; + struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; + u16 txq_id; + int err; + + spin_lock_bh(&mvmsta->lock); + + txq_id = tid_data->txq_id; + + IWL_DEBUG_TX_QUEUES(mvm, "Stop AGG: sta %d tid %d q %d state %d\n", + mvmsta->sta_id, tid, txq_id, tid_data->state); + + switch (tid_data->state) { + case IWL_AGG_ON: + tid_data->ssn = SEQ_TO_SN(tid_data->seq_number); + + IWL_DEBUG_TX_QUEUES(mvm, + "ssn = %d, next_recl = %d\n", + tid_data->ssn, tid_data->next_reclaimed); + + /* There are still packets for this RA / TID in the HW */ + if (tid_data->ssn != tid_data->next_reclaimed) { + tid_data->state = IWL_EMPTYING_HW_QUEUE_DELBA; + err = 0; + break; + } + + tid_data->ssn = 0xffff; + iwl_trans_txq_disable(mvm->trans, txq_id); + /* fall through */ + case IWL_AGG_STARTING: + case IWL_EMPTYING_HW_QUEUE_ADDBA: + /* + * The agg session has been stopped before it was set up. This + * can happen when the AddBA timer times out for example. + */ + + /* No barriers since we are under mutex */ + lockdep_assert_held(&mvm->mutex); + mvm->queue_to_mac80211[txq_id] = IWL_INVALID_MAC80211_QUEUE; + + ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); + tid_data->state = IWL_AGG_OFF; + err = 0; + break; + default: + IWL_ERR(mvm, + "Stopping AGG while state not ON or starting for %d on %d (%d)\n", + mvmsta->sta_id, tid, tid_data->state); + IWL_ERR(mvm, + "\ttid_data->txq_id = %d\n", tid_data->txq_id); + err = -EINVAL; + } + + spin_unlock_bh(&mvmsta->lock); + + return err; +} + +static int iwl_mvm_set_fw_key_idx(struct iwl_mvm *mvm) +{ + int i; + + lockdep_assert_held(&mvm->mutex); + + i = find_first_zero_bit(mvm->fw_key_table, STA_KEY_MAX_NUM); + + if (i == STA_KEY_MAX_NUM) + return STA_KEY_IDX_INVALID; + + __set_bit(i, mvm->fw_key_table); + + return i; +} + +static u8 iwl_mvm_get_key_sta_id(struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv; + + if (sta) { + struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv; + + return mvm_sta->sta_id; + } + + /* + * The device expects GTKs for station interfaces to be + * installed as GTKs for the AP station. If we have no + * station ID, then use AP's station ID. + */ + if (vif->type == NL80211_IFTYPE_STATION && + mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) + return mvmvif->ap_sta_id; + + return IWL_INVALID_STATION; +} + +static int iwl_mvm_send_sta_key(struct iwl_mvm *mvm, + struct iwl_mvm_sta *mvm_sta, + struct ieee80211_key_conf *keyconf, + u8 sta_id, u32 tkip_iv32, u16 *tkip_p1k, + u32 cmd_flags) +{ + __le16 key_flags; + struct iwl_mvm_add_sta_cmd cmd = {}; + int ret, status; + u16 keyidx; + int i; + + keyidx = (keyconf->keyidx << STA_KEY_FLG_KEYID_POS) & + STA_KEY_FLG_KEYID_MSK; + key_flags = cpu_to_le16(keyidx); + key_flags |= cpu_to_le16(STA_KEY_FLG_WEP_KEY_MAP); + + switch (keyconf->cipher) { + case WLAN_CIPHER_SUITE_TKIP: + key_flags |= cpu_to_le16(STA_KEY_FLG_TKIP); + cmd.key.tkip_rx_tsc_byte2 = tkip_iv32; + for (i = 0; i < 5; i++) + cmd.key.tkip_rx_ttak[i] = cpu_to_le16(tkip_p1k[i]); + memcpy(cmd.key.key, keyconf->key, keyconf->keylen); + break; + case WLAN_CIPHER_SUITE_CCMP: + key_flags |= cpu_to_le16(STA_KEY_FLG_CCM); + memcpy(cmd.key.key, keyconf->key, keyconf->keylen); + break; + default: + WARN_ON(1); + return -EINVAL; + } + + if (!(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE)) + key_flags |= cpu_to_le16(STA_KEY_MULTICAST); + + cmd.mac_id_n_color = cpu_to_le32(mvm_sta->mac_id_n_color); + cmd.key.key_offset = keyconf->hw_key_idx; + cmd.key.key_flags = key_flags; + cmd.add_modify = STA_MODE_MODIFY; + cmd.modify_mask = STA_MODIFY_KEY; + cmd.sta_id = sta_id; + + status = ADD_STA_SUCCESS; + if (cmd_flags == CMD_SYNC) + ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA, sizeof(cmd), + &cmd, &status); + else + ret = iwl_mvm_send_cmd_pdu(mvm, ADD_STA, CMD_ASYNC, + sizeof(cmd), &cmd); + + switch (status) { + case ADD_STA_SUCCESS: + IWL_DEBUG_WEP(mvm, "MODIFY_STA: set dynamic key passed\n"); + break; + default: + ret = -EIO; + IWL_ERR(mvm, "MODIFY_STA: set dynamic key failed\n"); + break; + } + + return ret; +} + +static int iwl_mvm_send_sta_igtk(struct iwl_mvm *mvm, + struct ieee80211_key_conf *keyconf, + u8 sta_id, bool remove_key) +{ + struct iwl_mvm_mgmt_mcast_key_cmd igtk_cmd = {}; + + /* verify the key details match the required command's expectations */ + if (WARN_ON((keyconf->cipher != WLAN_CIPHER_SUITE_AES_CMAC) || + (keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE) || + (keyconf->keyidx != 4 && keyconf->keyidx != 5))) + return -EINVAL; + + igtk_cmd.key_id = cpu_to_le32(keyconf->keyidx); + igtk_cmd.sta_id = cpu_to_le32(sta_id); + + if (remove_key) { + igtk_cmd.ctrl_flags |= cpu_to_le32(STA_KEY_NOT_VALID); + } else { + struct ieee80211_key_seq seq; + const u8 *pn; + + memcpy(igtk_cmd.IGTK, keyconf->key, keyconf->keylen); + ieee80211_aes_cmac_calculate_k1_k2(keyconf, + igtk_cmd.K1, igtk_cmd.K2); + ieee80211_get_key_rx_seq(keyconf, 0, &seq); + pn = seq.aes_cmac.pn; + igtk_cmd.receive_seq_cnt = cpu_to_le64(((u64) pn[5] << 0) | + ((u64) pn[4] << 8) | + ((u64) pn[3] << 16) | + ((u64) pn[2] << 24) | + ((u64) pn[1] << 32) | + ((u64) pn[0] << 40)); + } + + IWL_DEBUG_INFO(mvm, "%s igtk for sta %u\n", + remove_key ? "removing" : "installing", + igtk_cmd.sta_id); + + return iwl_mvm_send_cmd_pdu(mvm, MGMT_MCAST_KEY, CMD_SYNC, + sizeof(igtk_cmd), &igtk_cmd); +} + + +static inline u8 *iwl_mvm_get_mac_addr(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv; + + if (sta) + return sta->addr; + + if (vif->type == NL80211_IFTYPE_STATION && + mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) { + u8 sta_id = mvmvif->ap_sta_id; + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], + lockdep_is_held(&mvm->mutex)); + return sta->addr; + } + + + return NULL; +} + +int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *keyconf, + bool have_key_offset) +{ + struct iwl_mvm_sta *mvm_sta; + int ret; + u8 *addr, sta_id; + struct ieee80211_key_seq seq; + u16 p1k[5]; + + lockdep_assert_held(&mvm->mutex); + + /* Get the station id from the mvm local station table */ + sta_id = iwl_mvm_get_key_sta_id(vif, sta); + if (sta_id == IWL_INVALID_STATION) { + IWL_ERR(mvm, "Failed to find station id\n"); + return -EINVAL; + } + + if (keyconf->cipher == WLAN_CIPHER_SUITE_AES_CMAC) { + ret = iwl_mvm_send_sta_igtk(mvm, keyconf, sta_id, false); + goto end; + } + + /* + * It is possible that the 'sta' parameter is NULL, and thus + * there is a need to retrieve the sta from the local station table. + */ + if (!sta) { + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], + lockdep_is_held(&mvm->mutex)); + if (IS_ERR_OR_NULL(sta)) { + IWL_ERR(mvm, "Invalid station id\n"); + return -EINVAL; + } + } + + mvm_sta = (struct iwl_mvm_sta *)sta->drv_priv; + if (WARN_ON_ONCE(mvm_sta->vif != vif)) + return -EINVAL; + + if (!have_key_offset) { + /* + * The D3 firmware hardcodes the PTK offset to 0, so we have to + * configure it there. As a result, this workaround exists to + * let the caller set the key offset (hw_key_idx), see d3.c. + */ + keyconf->hw_key_idx = iwl_mvm_set_fw_key_idx(mvm); + if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) + return -ENOSPC; + } + + switch (keyconf->cipher) { + case WLAN_CIPHER_SUITE_TKIP: + addr = iwl_mvm_get_mac_addr(mvm, vif, sta); + /* get phase 1 key from mac80211 */ + ieee80211_get_key_rx_seq(keyconf, 0, &seq); + ieee80211_get_tkip_rx_p1k(keyconf, addr, seq.tkip.iv32, p1k); + ret = iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, sta_id, + seq.tkip.iv32, p1k, CMD_SYNC); + break; + case WLAN_CIPHER_SUITE_CCMP: + ret = iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, sta_id, + 0, NULL, CMD_SYNC); + break; + default: + IWL_ERR(mvm, "Unknown cipher %x\n", keyconf->cipher); + ret = -EINVAL; + } + + if (ret) + __clear_bit(keyconf->hw_key_idx, mvm->fw_key_table); + +end: + IWL_DEBUG_WEP(mvm, "key: cipher=%x len=%d idx=%d sta=%pM ret=%d\n", + keyconf->cipher, keyconf->keylen, keyconf->keyidx, + sta->addr, ret); + return ret; +} + +int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *keyconf) +{ + struct iwl_mvm_sta *mvm_sta; + struct iwl_mvm_add_sta_cmd cmd = {}; + __le16 key_flags; + int ret, status; + u8 sta_id; + + lockdep_assert_held(&mvm->mutex); + + /* Get the station id from the mvm local station table */ + sta_id = iwl_mvm_get_key_sta_id(vif, sta); + + IWL_DEBUG_WEP(mvm, "mvm remove dynamic key: idx=%d sta=%d\n", + keyconf->keyidx, sta_id); + + if (keyconf->cipher == WLAN_CIPHER_SUITE_AES_CMAC) + return iwl_mvm_send_sta_igtk(mvm, keyconf, sta_id, true); + + ret = __test_and_clear_bit(keyconf->hw_key_idx, mvm->fw_key_table); + if (!ret) { + IWL_ERR(mvm, "offset %d not used in fw key table.\n", + keyconf->hw_key_idx); + return -ENOENT; + } + + if (sta_id == IWL_INVALID_STATION) { + IWL_DEBUG_WEP(mvm, "station non-existent, early return.\n"); + return 0; + } + + /* + * It is possible that the 'sta' parameter is NULL, and thus + * there is a need to retrieve the sta from the local station table, + * for example when a GTK is removed (where the sta_id will then be + * the AP ID, and no station was passed by mac80211.) + */ + if (!sta) { + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], + lockdep_is_held(&mvm->mutex)); + if (!sta) { + IWL_ERR(mvm, "Invalid station id\n"); + return -EINVAL; + } + } + + mvm_sta = (struct iwl_mvm_sta *)sta->drv_priv; + if (WARN_ON_ONCE(mvm_sta->vif != vif)) + return -EINVAL; + + key_flags = cpu_to_le16(keyconf->keyidx & STA_KEY_FLG_KEYID_MSK); + key_flags |= cpu_to_le16(STA_KEY_FLG_NO_ENC | STA_KEY_FLG_WEP_KEY_MAP); + key_flags |= cpu_to_le16(STA_KEY_NOT_VALID); + + if (!(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE)) + key_flags |= cpu_to_le16(STA_KEY_MULTICAST); + + cmd.mac_id_n_color = cpu_to_le32(mvm_sta->mac_id_n_color); + cmd.key.key_flags = key_flags; + cmd.key.key_offset = keyconf->hw_key_idx; + cmd.sta_id = sta_id; + + cmd.modify_mask = STA_MODIFY_KEY; + cmd.add_modify = STA_MODE_MODIFY; + + status = ADD_STA_SUCCESS; + ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA, sizeof(cmd), + &cmd, &status); + + switch (status) { + case ADD_STA_SUCCESS: + IWL_DEBUG_WEP(mvm, "MODIFY_STA: remove sta key passed\n"); + break; + default: + ret = -EIO; + IWL_ERR(mvm, "MODIFY_STA: remove sta key failed\n"); + break; + } + + return ret; +} + +void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_key_conf *keyconf, + struct ieee80211_sta *sta, u32 iv32, + u16 *phase1key) +{ + struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv; + u8 sta_id = iwl_mvm_get_key_sta_id(vif, sta); + + if (sta_id == IWL_INVALID_STATION) + return; + + iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, sta_id, + iv32, phase1key, CMD_ASYNC); +} + +void iwl_mvm_sta_modify_ps_wake(struct iwl_mvm *mvm, int sta_id) +{ + struct iwl_mvm_add_sta_cmd cmd = { + .add_modify = STA_MODE_MODIFY, + .sta_id = sta_id, + .modify_mask = STA_MODIFY_SLEEPING_STA_TX_COUNT, + .sleep_state_flags = cpu_to_le16(STA_SLEEP_STATE_AWAKE), + }; + int ret; + + /* + * Same modify mask for sleep_tx_count and sleep_state_flags but this + * should be fine since if we set the STA as "awake", then + * sleep_tx_count is not relevant. + */ + ret = iwl_mvm_send_cmd_pdu(mvm, ADD_STA, CMD_ASYNC, sizeof(cmd), &cmd); + if (ret) + IWL_ERR(mvm, "Failed to send ADD_STA command (%d)\n", ret); +} + +void iwl_mvm_sta_modify_sleep_tx_count(struct iwl_mvm *mvm, int sta_id, + enum ieee80211_frame_release_type reason, + u16 cnt) +{ + u16 sleep_state_flags = + (reason == IEEE80211_FRAME_RELEASE_UAPSD) ? + STA_SLEEP_STATE_UAPSD : STA_SLEEP_STATE_PS_POLL; + struct iwl_mvm_add_sta_cmd cmd = { + .add_modify = STA_MODE_MODIFY, + .sta_id = sta_id, + .modify_mask = STA_MODIFY_SLEEPING_STA_TX_COUNT, + .sleep_tx_count = cpu_to_le16(cnt), + /* + * Same modify mask for sleep_tx_count and sleep_state_flags so + * we must set the sleep_state_flags too. + */ + .sleep_state_flags = cpu_to_le16(sleep_state_flags), + }; + int ret; + + /* TODO: somehow the fw doesn't seem to take PS_POLL into account */ + ret = iwl_mvm_send_cmd_pdu(mvm, ADD_STA, CMD_ASYNC, sizeof(cmd), &cmd); + if (ret) + IWL_ERR(mvm, "Failed to send ADD_STA command (%d)\n", ret); +} diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.h b/drivers/net/wireless/iwlwifi/mvm/sta.h new file mode 100644 index 000000000000..1bf301097984 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/sta.h @@ -0,0 +1,368 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#ifndef __sta_h__ +#define __sta_h__ + +#include <linux/spinlock.h> +#include <net/mac80211.h> +#include <linux/wait.h> + +#include "iwl-trans.h" /* for IWL_MAX_TID_COUNT */ +#include "fw-api.h" /* IWL_MVM_STATION_COUNT */ +#include "rs.h" + +struct iwl_mvm; + +/** + * DOC: station table - introduction + * + * The station table is a list of data structure that reprensent the stations. + * In STA/P2P client mode, the driver will hold one station for the AP/ GO. + * In GO/AP mode, the driver will have as many stations as associated clients. + * All these stations are reflected in the fw's station table. The driver + * keeps the fw's station table up to date with the ADD_STA command. Stations + * can be removed by the REMOVE_STA command. + * + * All the data related to a station is held in the structure %iwl_mvm_sta + * which is embed in the mac80211's %ieee80211_sta (in the drv_priv) area. + * This data includes the index of the station in the fw, per tid information + * (sequence numbers, Block-ack state machine, etc...). The stations are + * created and deleted by the %sta_state callback from %ieee80211_ops. + * + * The driver holds a map: %fw_id_to_mac_id that allows to fetch a + * %ieee80211_sta (and the %iwl_mvm_sta embedded into it) based on a fw + * station index. That way, the driver is able to get the tid related data in + * O(1) in time sensitive paths (Tx / Tx response / BA notification). These + * paths are triggered by the fw, and the driver needs to get a pointer to the + * %ieee80211 structure. This map helps to get that pointer quickly. + */ + +/** + * DOC: station table - locking + * + * As stated before, the station is created / deleted by mac80211's %sta_state + * callback from %ieee80211_ops which can sleep. The next paragraph explains + * the locking of a single stations, the next ones relates to the station + * table. + * + * The station holds the sequence number per tid. So this data needs to be + * accessed in the Tx path (which is softIRQ). It also holds the Block-Ack + * information (the state machine / and the logic that checks if the queues + * were drained), so it also needs to be accessible from the Tx response flow. + * In short, the station needs to be access from sleepable context as well as + * from tasklets, so the station itself needs a spinlock. + * + * The writers of %fw_id_to_mac_id map are serialized by the global mutex of + * the mvm op_mode. This is possible since %sta_state can sleep. + * The pointers in this map are RCU protected, hence we won't replace the + * station while we have Tx / Tx response / BA notification running. + * + * If a station is deleted while it still has packets in its A-MPDU queues, + * then the reclaim flow will notice that there is no station in the map for + * sta_id and it will dump the responses. + */ + +/** + * DOC: station table - internal stations + * + * The FW needs a few internal stations that are not reflected in + * mac80211, such as broadcast station in AP / GO mode, or AUX sta for + * scanning and P2P device (during the GO negotiation). + * For these kind of stations we have %iwl_mvm_int_sta struct which holds the + * data relevant for them from both %iwl_mvm_sta and %ieee80211_sta. + * Usually the data for these stations is static, so no locking is required, + * and no TID data as this is also not needed. + * One thing to note, is that these stations have an ID in the fw, but not + * in mac80211. In order to "reserve" them a sta_id in %fw_id_to_mac_id + * we fill ERR_PTR(EINVAL) in this mapping and all other dereferencing of + * pointers from this mapping need to check that the value is not error + * or NULL. + * + * Currently there is only one auxiliary station for scanning, initialized + * on init. + */ + +/** + * DOC: station table - AP Station in STA mode + * + * %iwl_mvm_vif includes the index of the AP station in the fw's STA table: + * %ap_sta_id. To get the point to the coresponsding %ieee80211_sta, + * &fw_id_to_mac_id can be used. Due to the way the fw works, we must not remove + * the AP station from the fw before setting the MAC context as unassociated. + * Hence, %fw_id_to_mac_id[%ap_sta_id] will be NULLed when the AP station is + * removed by mac80211, but the station won't be removed in the fw until the + * VIF is set as unassociated. Then, %ap_sta_id will be invalidated. + */ + +/** + * DOC: station table - Drain vs. Flush + * + * Flush means that all the frames in the SCD queue are dumped regardless the + * station to which they were sent. We do that when we disassociate and before + * we remove the STA of the AP. The flush can be done synchronously against the + * fw. + * Drain means that the fw will drop all the frames sent to a specific station. + * This is useful when a client (if we are IBSS / GO or AP) disassociates. In + * that case, we need to drain all the frames for that client from the AC queues + * that are shared with the other clients. Only then, we can remove the STA in + * the fw. In order to do so, we track the non-AMPDU packets for each station. + * If mac80211 removes a STA and if it still has non-AMPDU packets pending in + * the queues, we mark this station as %EBUSY in %fw_id_to_mac_id, and drop all + * the frames for this STA (%iwl_mvm_rm_sta). When the last frame is dropped + * (we know about it with its Tx response), we remove the station in fw and set + * it as %NULL in %fw_id_to_mac_id: this is the purpose of + * %iwl_mvm_sta_drained_wk. + */ + +/** + * DOC: station table - fw restart + * + * When the fw asserts, or we have any other issue that requires to reset the + * driver, we require mac80211 to reconfigure the driver. Since the private + * data of the stations is embed in mac80211's %ieee80211_sta, that data will + * not be zeroed and needs to be reinitialized manually. + * %IWL_MVM_STATUS_IN_HW_RESTART is set during restart and that will hint us + * that we must not allocate a new sta_id but reuse the previous one. This + * means that the stations being re-added after the reset will have the same + * place in the fw as before the reset. We do need to zero the %fw_id_to_mac_id + * map, since the stations aren't in the fw any more. Internal stations that + * are not added by mac80211 will be re-added in the init flow that is called + * after the restart: mac80211 call's %iwl_mvm_mac_start which calls to + * %iwl_mvm_up. + */ + +/** + * DOC: AP mode - PS + * + * When a station is asleep, the fw will set it as "asleep". All the + * non-aggregation frames to that station will be dropped by the fw + * (%TX_STATUS_FAIL_DEST_PS failure code). + * AMPDUs are in a separate queue that is stopped by the fw. We just need to + * let mac80211 know how many frames we have in these queues so that it can + * properly handle trigger frames. + * When the a trigger frame is received, mac80211 tells the driver to send + * frames from the AMPDU queues or AC queue depending on which queue are + * delivery-enabled and what TID has frames to transmit (Note that mac80211 has + * all the knowledege since all the non-agg frames are buffered / filtered, and + * the driver tells mac80211 about agg frames). The driver needs to tell the fw + * to let frames out even if the station is asleep. This is done by + * %iwl_mvm_sta_modify_sleep_tx_count. + * When we receive a frame from that station with PM bit unset, the + * driver needs to let the fw know that this station isn't alseep any more. + * This is done by %iwl_mvm_sta_modify_ps_wake. + * + * TODO - EOSP handling + */ + +/** + * enum iwl_mvm_agg_state + * + * The state machine of the BA agreement establishment / tear down. + * These states relate to a specific RA / TID. + * + * @IWL_AGG_OFF: aggregation is not used + * @IWL_AGG_STARTING: aggregation are starting (between start and oper) + * @IWL_AGG_ON: aggregation session is up + * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the + * HW queue to be empty from packets for this RA /TID. + * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the + * HW queue to be empty from packets for this RA /TID. + */ +enum iwl_mvm_agg_state { + IWL_AGG_OFF = 0, + IWL_AGG_STARTING, + IWL_AGG_ON, + IWL_EMPTYING_HW_QUEUE_ADDBA, + IWL_EMPTYING_HW_QUEUE_DELBA, +}; + +/** + * struct iwl_mvm_tid_data - holds the states for each RA / TID + * @seq_number: the next WiFi sequence number to use + * @next_reclaimed: the WiFi sequence number of the next packet to be acked. + * This is basically (last acked packet++). + * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the + * Tx response (TX_CMD), and the block ack notification (COMPRESSED_BA). + * @state: state of the BA agreement establishment / tear down. + * @txq_id: Tx queue used by the BA session + * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or + * the first packet to be sent in legacy HW queue in Tx AGG stop flow. + * Basically when next_reclaimed reaches ssn, we can tell mac80211 that + * we are ready to finish the Tx AGG stop / start flow. + * @wait_for_ba: Expect block-ack before next Tx reply + */ +struct iwl_mvm_tid_data { + u16 seq_number; + u16 next_reclaimed; + /* The rest is Tx AGG related */ + u32 rate_n_flags; + enum iwl_mvm_agg_state state; + u16 txq_id; + u16 ssn; + bool wait_for_ba; +}; + +/** + * struct iwl_mvm_sta - representation of a station in the driver + * @sta_id: the index of the station in the fw (will be replaced by id_n_color) + * @tfd_queue_msk: the tfd queues used by the station + * @mac_id_n_color: the MAC context this station is linked to + * @tid_disable_agg: bitmap: if bit(tid) is set, the fw won't send ampdus for + * tid. + * @max_agg_bufsize: the maximal size of the AGG buffer for this station + * @lock: lock to protect the whole struct. Since %tid_data is access from Tx + * and from Tx response flow, it needs a spinlock. + * @pending_frames: number of frames for this STA on the shared Tx queues. + * @tid_data: per tid data. Look at %iwl_mvm_tid_data. + * + * When mac80211 creates a station it reserves some space (hw->sta_data_size) + * in the structure for use by driver. This structure is placed in that + * space. + * + */ +struct iwl_mvm_sta { + u32 sta_id; + u32 tfd_queue_msk; + u32 mac_id_n_color; + u16 tid_disable_agg; + u8 max_agg_bufsize; + spinlock_t lock; + atomic_t pending_frames; + struct iwl_mvm_tid_data tid_data[IWL_MAX_TID_COUNT]; + struct iwl_lq_sta lq_sta; + struct ieee80211_vif *vif; + +#ifdef CONFIG_PM_SLEEP + u16 last_seq_ctl; +#endif +}; + +/** + * struct iwl_mvm_int_sta - representation of an internal station (auxiliary or + * broadcast) + * @sta_id: the index of the station in the fw (will be replaced by id_n_color) + * @tfd_queue_msk: the tfd queues used by the station + */ +struct iwl_mvm_int_sta { + u32 sta_id; + u32 tfd_queue_msk; +}; + +int iwl_mvm_sta_add_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta); +int iwl_mvm_add_sta(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta); +int iwl_mvm_rm_sta(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta); +int iwl_mvm_rm_sta_id(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u8 sta_id); +int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, + bool have_key_offset); +int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *keyconf); + +void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_key_conf *keyconf, + struct ieee80211_sta *sta, u32 iv32, + u16 *phase1key); + +/* AMPDU */ +int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, + int tid, u16 ssn, bool start); +int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, u16 tid, u16 *ssn); +int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, u16 tid, u8 buf_size); +int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, u16 tid); + +int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm); +int iwl_mvm_allocate_int_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *sta, + u32 qmask); +void iwl_mvm_dealloc_int_sta(struct iwl_mvm *mvm, + struct iwl_mvm_int_sta *sta); +int iwl_mvm_send_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_mvm_int_sta *bsta); +int iwl_mvm_send_rm_bcast_sta(struct iwl_mvm *mvm, + struct iwl_mvm_int_sta *bsta); +int iwl_mvm_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_mvm_int_sta *bsta); +int iwl_mvm_rm_bcast_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *bsta); +void iwl_mvm_sta_drained_wk(struct work_struct *wk); +void iwl_mvm_sta_modify_ps_wake(struct iwl_mvm *mvm, int sta_id); +void iwl_mvm_sta_modify_sleep_tx_count(struct iwl_mvm *mvm, int sta_id, + enum ieee80211_frame_release_type reason, + u16 cnt); +int iwl_mvm_drain_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, + bool drain); + +#endif /* __sta_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c b/drivers/net/wireless/iwlwifi/mvm/time-event.c new file mode 100644 index 000000000000..b9f076f4f17c --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c @@ -0,0 +1,569 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#include <linux/jiffies.h> +#include <net/mac80211.h> + +#include "iwl-notif-wait.h" +#include "iwl-trans.h" +#include "fw-api.h" +#include "time-event.h" +#include "mvm.h" +#include "iwl-io.h" +#include "iwl-prph.h" + +/* A TimeUnit is 1024 microsecond */ +#define TU_TO_JIFFIES(_tu) (usecs_to_jiffies((_tu) * 1024)) +#define MSEC_TO_TU(_msec) (_msec*1000/1024) + +void iwl_mvm_te_clear_data(struct iwl_mvm *mvm, + struct iwl_mvm_time_event_data *te_data) +{ + lockdep_assert_held(&mvm->time_event_lock); + + if (te_data->id == TE_MAX) + return; + + list_del(&te_data->list); + te_data->running = false; + te_data->uid = 0; + te_data->id = TE_MAX; + te_data->vif = NULL; +} + +void iwl_mvm_roc_done_wk(struct work_struct *wk) +{ + struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, roc_done_wk); + + synchronize_net(); + + /* + * Flush the offchannel queue -- this is called when the time + * event finishes or is cancelled, so that frames queued for it + * won't get stuck on the queue and be transmitted in the next + * time event. + * We have to send the command asynchronously since this cannot + * be under the mutex for locking reasons, but that's not an + * issue as it will have to complete before the next command is + * executed, and a new time event means a new command. + */ + iwl_mvm_flush_tx_path(mvm, BIT(IWL_OFFCHANNEL_QUEUE), false); +} + +static void iwl_mvm_roc_finished(struct iwl_mvm *mvm) +{ + /* + * First, clear the ROC_RUNNING status bit. This will cause the TX + * path to drop offchannel transmissions. That would also be done + * by mac80211, but it is racy, in particular in the case that the + * time event actually completed in the firmware (which is handled + * in iwl_mvm_te_handle_notif). + */ + clear_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status); + + /* + * Of course, our status bit is just as racy as mac80211, so in + * addition, fire off the work struct which will drop all frames + * from the hardware queues that made it through the race. First + * it will of course synchronize the TX path to make sure that + * any *new* TX will be rejected. + */ + schedule_work(&mvm->roc_done_wk); +} + +/* + * Handles a FW notification for an event that is known to the driver. + * + * @mvm: the mvm component + * @te_data: the time event data + * @notif: the notification data corresponding the time event data. + */ +static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm, + struct iwl_mvm_time_event_data *te_data, + struct iwl_time_event_notif *notif) +{ + lockdep_assert_held(&mvm->time_event_lock); + + IWL_DEBUG_TE(mvm, "Handle time event notif - UID = 0x%x action %d\n", + le32_to_cpu(notif->unique_id), + le32_to_cpu(notif->action)); + + /* + * The FW sends the start/end time event notifications even for events + * that it fails to schedule. This is indicated in the status field of + * the notification. This happens in cases that the scheduler cannot + * find a schedule that can handle the event (for example requesting a + * P2P Device discoveribility, while there are other higher priority + * events in the system). + */ + WARN_ONCE(!le32_to_cpu(notif->status), + "Failed to schedule time event\n"); + + if (le32_to_cpu(notif->action) == TE_NOTIF_HOST_END) { + IWL_DEBUG_TE(mvm, + "TE ended - current time %lu, estimated end %lu\n", + jiffies, te_data->end_jiffies); + + if (te_data->vif->type == NL80211_IFTYPE_P2P_DEVICE) { + ieee80211_remain_on_channel_expired(mvm->hw); + iwl_mvm_roc_finished(mvm); + } + + /* + * By now, we should have finished association + * and know the dtim period. + */ + if (te_data->vif->type == NL80211_IFTYPE_STATION && + (!te_data->vif->bss_conf.assoc || + !te_data->vif->bss_conf.dtim_period)) + IWL_ERR(mvm, + "No assocation and the time event is over already...\n"); + + iwl_mvm_te_clear_data(mvm, te_data); + } else if (le32_to_cpu(notif->action) == TE_NOTIF_HOST_START) { + te_data->running = true; + te_data->end_jiffies = jiffies + + TU_TO_JIFFIES(te_data->duration); + + if (te_data->vif->type == NL80211_IFTYPE_P2P_DEVICE) { + set_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status); + ieee80211_ready_on_channel(mvm->hw); + } + } else { + IWL_WARN(mvm, "Got TE with unknown action\n"); + } +} + +/* + * The Rx handler for time event notifications + */ +int iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_time_event_notif *notif = (void *)pkt->data; + struct iwl_mvm_time_event_data *te_data, *tmp; + + IWL_DEBUG_TE(mvm, "Time event notification - UID = 0x%x action %d\n", + le32_to_cpu(notif->unique_id), + le32_to_cpu(notif->action)); + + spin_lock_bh(&mvm->time_event_lock); + list_for_each_entry_safe(te_data, tmp, &mvm->time_event_list, list) { + if (le32_to_cpu(notif->unique_id) == te_data->uid) + iwl_mvm_te_handle_notif(mvm, te_data, notif); + } + spin_unlock_bh(&mvm->time_event_lock); + + return 0; +} + +static bool iwl_mvm_time_event_notif(struct iwl_notif_wait_data *notif_wait, + struct iwl_rx_packet *pkt, void *data) +{ + struct iwl_mvm *mvm = + container_of(notif_wait, struct iwl_mvm, notif_wait); + struct iwl_mvm_time_event_data *te_data = data; + struct ieee80211_vif *vif = te_data->vif; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_time_event_notif *notif; + struct iwl_time_event_resp *resp; + + u32 mac_id_n_color = FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color); + + /* until we do something else */ + WARN_ON(te_data->id != TE_BSS_STA_AGGRESSIVE_ASSOC); + + switch (pkt->hdr.cmd) { + case TIME_EVENT_CMD: + resp = (void *)pkt->data; + /* TODO: I can't check that since the fw is buggy - it doesn't + * put the right values when we remove a TE. We can be here + * when we remove a TE because the remove TE command is sent in + * ASYNC... + * WARN_ON(mac_id_n_color != le32_to_cpu(resp->id_and_color)); + */ + te_data->uid = le32_to_cpu(resp->unique_id); + IWL_DEBUG_TE(mvm, "Got response - UID = 0x%x\n", te_data->uid); + return false; + + case TIME_EVENT_NOTIFICATION: + notif = (void *)pkt->data; + WARN_ON(le32_to_cpu(notif->status) != 1); + WARN_ON(mac_id_n_color != le32_to_cpu(notif->id_and_color)); + /* check if this is our Time Event that is starting */ + if (le32_to_cpu(notif->unique_id) != te_data->uid) + return false; + IWL_DEBUG_TE(mvm, "Event %d is starting - time is %d\n", + te_data->uid, le32_to_cpu(notif->timestamp)); + + WARN_ONCE(!le32_to_cpu(notif->status), + "Failed to schedule protected session TE\n"); + + te_data->running = true; + te_data->end_jiffies = jiffies + + TU_TO_JIFFIES(te_data->duration); + return true; + + default: + WARN_ON(1); + return false; + }; +} + +void iwl_mvm_protect_session(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 duration, u32 min_duration) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data; + static const u8 time_event_notif[] = { TIME_EVENT_CMD, + TIME_EVENT_NOTIFICATION }; + struct iwl_notification_wait wait_time_event; + struct iwl_time_event_cmd time_cmd = {}; + int ret; + + lockdep_assert_held(&mvm->mutex); + + if (te_data->running && + time_after(te_data->end_jiffies, + jiffies + TU_TO_JIFFIES(min_duration))) { + IWL_DEBUG_TE(mvm, "We have enough time in the current TE: %u\n", + jiffies_to_msecs(te_data->end_jiffies - jiffies)); + return; + } + + if (te_data->running) { + IWL_DEBUG_TE(mvm, "extend 0x%x: only %u ms left\n", + te_data->uid, + jiffies_to_msecs(te_data->end_jiffies - jiffies)); + /* + * we don't have enough time + * cancel the current TE and issue a new one + * Of course it would be better to remove the old one only + * when the new one is added, but we don't care if we are off + * channel for a bit. All we need to do, is not to return + * before we actually begin to be on the channel. + */ + iwl_mvm_stop_session_protection(mvm, vif); + } + + iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, + time_event_notif, + ARRAY_SIZE(time_event_notif), + iwl_mvm_time_event_notif, + &mvmvif->time_event_data); + + time_cmd.action = cpu_to_le32(FW_CTXT_ACTION_ADD); + time_cmd.id_and_color = + cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color)); + time_cmd.id = cpu_to_le32(TE_BSS_STA_AGGRESSIVE_ASSOC); + + time_cmd.apply_time = + cpu_to_le32(iwl_read_prph(mvm->trans, DEVICE_SYSTEM_TIME_REG)); + time_cmd.dep_policy = TE_INDEPENDENT; + time_cmd.is_present = cpu_to_le32(1); + time_cmd.max_frags = cpu_to_le32(TE_FRAG_NONE); + time_cmd.max_delay = cpu_to_le32(500); + /* TODO: why do we need to interval = bi if it is not periodic? */ + time_cmd.interval = cpu_to_le32(1); + time_cmd.interval_reciprocal = cpu_to_le32(iwl_mvm_reciprocal(1)); + time_cmd.duration = cpu_to_le32(duration); + time_cmd.repeat = cpu_to_le32(1); + time_cmd.notify = cpu_to_le32(TE_NOTIF_HOST_START | TE_NOTIF_HOST_END); + + te_data->vif = vif; + te_data->duration = duration; + + spin_lock_bh(&mvm->time_event_lock); + te_data->id = le32_to_cpu(time_cmd.id); + list_add_tail(&te_data->list, &mvm->time_event_list); + spin_unlock_bh(&mvm->time_event_lock); + + ret = iwl_mvm_send_cmd_pdu(mvm, TIME_EVENT_CMD, CMD_SYNC, + sizeof(time_cmd), &time_cmd); + if (ret) { + IWL_ERR(mvm, "Couldn't send TIME_EVENT_CMD: %d\n", ret); + goto out_remove_notif; + } + + ret = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1 * HZ); + if (ret) { + IWL_ERR(mvm, "%s - failed on timeout\n", __func__); + spin_lock_bh(&mvm->time_event_lock); + iwl_mvm_te_clear_data(mvm, te_data); + spin_unlock_bh(&mvm->time_event_lock); + } + + return; + +out_remove_notif: + iwl_remove_notification(&mvm->notif_wait, &wait_time_event); +} + +/* + * Explicit request to remove a time event. The removal of a time event needs to + * be synchronized with the flow of a time event's end notification, which also + * removes the time event from the op mode data structures. + */ +void iwl_mvm_remove_time_event(struct iwl_mvm *mvm, + struct iwl_mvm_vif *mvmvif, + struct iwl_mvm_time_event_data *te_data) +{ + struct iwl_time_event_cmd time_cmd = {}; + u32 id, uid; + int ret; + + /* + * It is possible that by the time we got to this point the time + * event was already removed. + */ + spin_lock_bh(&mvm->time_event_lock); + + /* Save time event uid before clearing its data */ + uid = te_data->uid; + id = te_data->id; + + /* + * The clear_data function handles time events that were already removed + */ + iwl_mvm_te_clear_data(mvm, te_data); + spin_unlock_bh(&mvm->time_event_lock); + + /* + * It is possible that by the time we try to remove it, the time event + * has already ended and removed. In such a case there is no need to + * send a removal command. + */ + if (id == TE_MAX) { + IWL_DEBUG_TE(mvm, "TE 0x%x has already ended\n", uid); + return; + } + + /* When we remove a TE, the UID is to be set in the id field */ + time_cmd.id = cpu_to_le32(uid); + time_cmd.action = cpu_to_le32(FW_CTXT_ACTION_REMOVE); + time_cmd.id_and_color = + cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color)); + + IWL_DEBUG_TE(mvm, "Removing TE 0x%x\n", le32_to_cpu(time_cmd.id)); + ret = iwl_mvm_send_cmd_pdu(mvm, TIME_EVENT_CMD, CMD_ASYNC, + sizeof(time_cmd), &time_cmd); + if (WARN_ON(ret)) + return; +} + +void iwl_mvm_stop_session_protection(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data; + + lockdep_assert_held(&mvm->mutex); + iwl_mvm_remove_time_event(mvm, mvmvif, te_data); +} + +static bool iwl_mvm_roc_te_notif(struct iwl_notif_wait_data *notif_wait, + struct iwl_rx_packet *pkt, void *data) +{ + struct iwl_mvm *mvm = + container_of(notif_wait, struct iwl_mvm, notif_wait); + struct iwl_mvm_time_event_data *te_data = data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(te_data->vif); + struct iwl_time_event_resp *resp; + + u32 mac_id_n_color = FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color); + + /* until we do something else */ + WARN_ON(te_data->id != TE_P2P_DEVICE_DISCOVERABLE); + + switch (pkt->hdr.cmd) { + case TIME_EVENT_CMD: + resp = (void *)pkt->data; + WARN_ON(mac_id_n_color != le32_to_cpu(resp->id_and_color)); + te_data->uid = le32_to_cpu(resp->unique_id); + IWL_DEBUG_TE(mvm, "Got response - UID = 0x%x\n", te_data->uid); + return true; + + default: + WARN_ON(1); + return false; + }; +} + +int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + int duration) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data; + static const u8 roc_te_notif[] = { TIME_EVENT_CMD }; + struct iwl_notification_wait wait_time_event; + struct iwl_time_event_cmd time_cmd = {}; + int ret; + + lockdep_assert_held(&mvm->mutex); + if (te_data->running) { + IWL_WARN(mvm, "P2P_DEVICE remain on channel already running\n"); + return -EBUSY; + } + + /* + * Flush the done work, just in case it's still pending, so that + * the work it does can complete and we can accept new frames. + */ + flush_work(&mvm->roc_done_wk); + + iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, + roc_te_notif, + ARRAY_SIZE(roc_te_notif), + iwl_mvm_roc_te_notif, + &mvmvif->time_event_data); + + time_cmd.action = cpu_to_le32(FW_CTXT_ACTION_ADD); + time_cmd.id_and_color = + cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color)); + time_cmd.id = cpu_to_le32(TE_P2P_DEVICE_DISCOVERABLE); + + time_cmd.apply_time = cpu_to_le32(0); + time_cmd.dep_policy = cpu_to_le32(TE_INDEPENDENT); + time_cmd.is_present = cpu_to_le32(1); + + time_cmd.interval = cpu_to_le32(1); + + /* + * TE_P2P_DEVICE_DISCOVERABLE can have lower priority than other events + * that are being scheduled by the driver/fw, and thus it might not be + * scheduled. To improve the chances of it being scheduled, allow it to + * be fragmented. + * In addition, for the same reasons, allow to delay the scheduling of + * the time event. + */ + time_cmd.max_frags = cpu_to_le32(MSEC_TO_TU(duration)/20); + time_cmd.max_delay = cpu_to_le32(MSEC_TO_TU(duration/2)); + time_cmd.duration = cpu_to_le32(MSEC_TO_TU(duration)); + time_cmd.repeat = cpu_to_le32(1); + time_cmd.notify = cpu_to_le32(TE_NOTIF_HOST_START | TE_NOTIF_HOST_END); + + /* Push the te data to the tracked te list */ + te_data->vif = vif; + te_data->duration = MSEC_TO_TU(duration); + + spin_lock_bh(&mvm->time_event_lock); + te_data->id = le32_to_cpu(time_cmd.id); + list_add_tail(&te_data->list, &mvm->time_event_list); + spin_unlock_bh(&mvm->time_event_lock); + + ret = iwl_mvm_send_cmd_pdu(mvm, TIME_EVENT_CMD, CMD_SYNC, + sizeof(time_cmd), &time_cmd); + if (ret) { + IWL_ERR(mvm, "Couldn't send TIME_EVENT_CMD: %d\n", ret); + goto out_remove_notif; + } + + ret = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1 * HZ); + if (ret) { + IWL_ERR(mvm, "%s - failed on timeout\n", __func__); + iwl_mvm_te_clear_data(mvm, te_data); + } + + return ret; + +out_remove_notif: + iwl_remove_notification(&mvm->notif_wait, &wait_time_event); + return ret; +} + +void iwl_mvm_stop_p2p_roc(struct iwl_mvm *mvm) +{ + struct iwl_mvm_vif *mvmvif; + struct iwl_mvm_time_event_data *te_data; + + lockdep_assert_held(&mvm->mutex); + + /* + * Iterate over the list of time events and find the time event that is + * associated with a P2P_DEVICE interface. + * This assumes that a P2P_DEVICE interface can have only a single time + * event at any given time and this time event coresponds to a ROC + * request + */ + mvmvif = NULL; + spin_lock_bh(&mvm->time_event_lock); + list_for_each_entry(te_data, &mvm->time_event_list, list) { + if (te_data->vif->type == NL80211_IFTYPE_P2P_DEVICE) { + mvmvif = iwl_mvm_vif_from_mac80211(te_data->vif); + break; + } + } + spin_unlock_bh(&mvm->time_event_lock); + + if (!mvmvif) { + IWL_WARN(mvm, "P2P_DEVICE no remain on channel event\n"); + return; + } + + iwl_mvm_remove_time_event(mvm, mvmvif, te_data); + + iwl_mvm_roc_finished(mvm); +} diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.h b/drivers/net/wireless/iwlwifi/mvm/time-event.h new file mode 100644 index 000000000000..64fb57a5ab43 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/time-event.h @@ -0,0 +1,214 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#ifndef __time_event_h__ +#define __time_event_h__ + +#include "fw-api.h" + +#include "mvm.h" + +/** + * DOC: Time Events - what is it? + * + * Time Events are a fw feature that allows the driver to control the presence + * of the device on the channel. Since the fw supports multiple channels + * concurrently, the fw may choose to jump to another channel at any time. + * In order to make sure that the fw is on a specific channel at a certain time + * and for a certain duration, the driver needs to issue a time event. + * + * The simplest example is for BSS association. The driver issues a time event, + * waits for it to start, and only then tells mac80211 that we can start the + * association. This way, we make sure that the association will be done + * smoothly and won't be interrupted by channel switch decided within the fw. + */ + + /** + * DOC: The flow against the fw + * + * When the driver needs to make sure we are in a certain channel, at a certain + * time and for a certain duration, it sends a Time Event. The flow against the + * fw goes like this: + * 1) Driver sends a TIME_EVENT_CMD to the fw + * 2) Driver gets the response for that command. This response contains the + * Unique ID (UID) of the event. + * 3) The fw sends notification when the event starts. + * + * Of course the API provides various options that allow to cover parameters + * of the flow. + * What is the duration of the event? + * What is the start time of the event? + * Is there an end-time for the event? + * How much can the event be delayed? + * Can the event be split? + * If yes what is the maximal number of chunks? + * etc... + */ + +/** + * DOC: Abstraction to the driver + * + * In order to simplify the use of time events to the rest of the driver, + * we abstract the use of time events. This component provides the functions + * needed by the driver. + */ + +#define IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS 500 +#define IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS 400 + +/** + * iwl_mvm_protect_session - start / extend the session protection. + * @mvm: the mvm component + * @vif: the virtual interface for which the session is issued + * @duration: the duration of the session in TU. + * @min_duration: will start a new session if the current session will end + * in less than min_duration. + * + * This function can be used to start a session protection which means that the + * fw will stay on the channel for %duration_ms milliseconds. This function + * will block (sleep) until the session starts. This function can also be used + * to extend a currently running session. + * This function is meant to be used for BSS association for example, where we + * want to make sure that the fw stays on the channel during the association. + */ +void iwl_mvm_protect_session(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 duration, u32 min_duration); + +/** + * iwl_mvm_stop_session_protection - cancel the session protection. + * @mvm: the mvm component + * @vif: the virtual interface for which the session is issued + * + * This functions cancels the session protection which is an act of good + * citizenship. If it is not needed any more it should be cancelled because + * the other bindings wait for the medium during that time. + * This funtions doesn't sleep. + */ +void iwl_mvm_stop_session_protection(struct iwl_mvm *mvm, + struct ieee80211_vif *vif); + +/* + * iwl_mvm_rx_time_event_notif - handles %TIME_EVENT_NOTIFICATION. + */ +int iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); + +/** + * iwl_mvm_start_p2p_roc - start remain on channel for p2p device functionlity + * @mvm: the mvm component + * @vif: the virtual interface for which the roc is requested. It is assumed + * that the vif type is NL80211_IFTYPE_P2P_DEVICE + * @duration: the requested duration in millisecond for the fw to be on the + * channel that is bound to the vif. + * + * This function can be used to issue a remain on channel session, + * which means that the fw will stay in the channel for the request %duration + * milliseconds. The function is async, meaning that it only issues the ROC + * request but does not wait for it to start. Once the FW is ready to serve the + * ROC request, it will issue a notification to the driver that it is on the + * requested channel. Once the FW completes the ROC request it will issue + * another notification to the driver. + */ +int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + int duration); + +/** + * iwl_mvm_stop_p2p_roc - stop remain on channel for p2p device functionlity + * @mvm: the mvm component + * + * This function can be used to cancel an ongoing ROC session. + * The function is async, it will instruct the FW to stop serving the ROC + * session, but will not wait for the actual stopping of the session. + */ +void iwl_mvm_stop_p2p_roc(struct iwl_mvm *mvm); + +/** + * iwl_mvm_remove_time_event - general function to clean up of time event + * @mvm: the mvm component + * @vif: the vif to which the time event belongs + * @te_data: the time event data that corresponds to that time event + * + * This function can be used to cancel a time event regardless its type. + * It is useful for cleaning up time events running before removing an + * interface. + */ +void iwl_mvm_remove_time_event(struct iwl_mvm *mvm, + struct iwl_mvm_vif *mvmvif, + struct iwl_mvm_time_event_data *te_data); + +/** + * iwl_mvm_te_clear_data - remove time event from list + * @mvm: the mvm component + * @te_data: the time event data to remove + * + * This function is mostly internal, it is made available here only + * for firmware restart purposes. + */ +void iwl_mvm_te_clear_data(struct iwl_mvm *mvm, + struct iwl_mvm_time_event_data *te_data); + +void iwl_mvm_roc_done_wk(struct work_struct *wk); + +#endif /* __time_event_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c new file mode 100644 index 000000000000..cada8efe0cca --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -0,0 +1,916 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#include <linux/ieee80211.h> +#include <linux/etherdevice.h> + +#include "iwl-trans.h" +#include "iwl-eeprom-parse.h" +#include "mvm.h" +#include "sta.h" + +/* + * Sets most of the Tx cmd's fields + */ +static void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb, + struct iwl_tx_cmd *tx_cmd, + struct ieee80211_tx_info *info, u8 sta_id) +{ + struct ieee80211_hdr *hdr = (void *)skb->data; + __le16 fc = hdr->frame_control; + u32 tx_flags = le32_to_cpu(tx_cmd->tx_flags); + u32 len = skb->len + FCS_LEN; + + if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) + tx_flags |= TX_CMD_FLG_ACK; + else + tx_flags &= ~TX_CMD_FLG_ACK; + + if (ieee80211_is_probe_resp(fc)) + tx_flags |= TX_CMD_FLG_TSF; + else if (ieee80211_is_back_req(fc)) + tx_flags |= TX_CMD_FLG_ACK | TX_CMD_FLG_BAR; + + /* High prio packet (wrt. BT coex) if it is EAPOL, MCAST or MGMT */ + if (info->band == IEEE80211_BAND_2GHZ && + (skb->protocol == cpu_to_be16(ETH_P_PAE) || + is_multicast_ether_addr(hdr->addr1) || + ieee80211_is_back_req(fc) || + ieee80211_is_mgmt(fc))) + tx_flags |= TX_CMD_FLG_BT_DIS; + + if (ieee80211_has_morefrags(fc)) + tx_flags |= TX_CMD_FLG_MORE_FRAG; + + if (ieee80211_is_data_qos(fc)) { + u8 *qc = ieee80211_get_qos_ctl(hdr); + tx_cmd->tid_tspec = qc[0] & 0xf; + tx_flags &= ~TX_CMD_FLG_SEQ_CTL; + } else { + tx_cmd->tid_tspec = IWL_TID_NON_QOS; + if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) + tx_flags |= TX_CMD_FLG_SEQ_CTL; + else + tx_flags &= ~TX_CMD_FLG_SEQ_CTL; + } + + if (ieee80211_is_mgmt(fc)) { + if (ieee80211_is_assoc_req(fc) || ieee80211_is_reassoc_req(fc)) + tx_cmd->pm_frame_timeout = cpu_to_le16(3); + else + tx_cmd->pm_frame_timeout = cpu_to_le16(2); + + /* The spec allows Action frames in A-MPDU, we don't support + * it + */ + WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_AMPDU); + } else { + tx_cmd->pm_frame_timeout = 0; + } + + if (info->flags & IEEE80211_TX_CTL_AMPDU) + tx_flags |= TX_CMD_FLG_PROT_REQUIRE; + + if (ieee80211_is_data(fc) && len > mvm->rts_threshold && + !is_multicast_ether_addr(ieee80211_get_DA(hdr))) + tx_flags |= TX_CMD_FLG_PROT_REQUIRE; + + tx_cmd->driver_txop = 0; + tx_cmd->tx_flags = cpu_to_le32(tx_flags); + /* Total # bytes to be transmitted */ + tx_cmd->len = cpu_to_le16((u16)skb->len); + tx_cmd->next_frame_len = 0; + tx_cmd->life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE); + tx_cmd->sta_id = sta_id; +} + +/* + * Sets the fields in the Tx cmd that are rate related + */ +static void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, + struct iwl_tx_cmd *tx_cmd, + struct ieee80211_tx_info *info, + struct ieee80211_sta *sta, + __le16 fc) +{ + u32 rate_flags; + int rate_idx; + u8 rate_plcp; + + /* Set retry limit on RTS packets */ + tx_cmd->rts_retry_limit = IWL_RTS_DFAULT_RETRY_LIMIT; + + /* Set retry limit on DATA packets and Probe Responses*/ + if (ieee80211_is_probe_resp(fc)) { + tx_cmd->data_retry_limit = IWL_MGMT_DFAULT_RETRY_LIMIT; + tx_cmd->rts_retry_limit = + min(tx_cmd->data_retry_limit, tx_cmd->rts_retry_limit); + } else if (ieee80211_is_back_req(fc)) { + tx_cmd->data_retry_limit = IWL_BAR_DFAULT_RETRY_LIMIT; + } else { + tx_cmd->data_retry_limit = IWL_DEFAULT_TX_RETRY; + } + + /* + * for data packets, rate info comes from the table inside he fw. This + * table is controlled by LINK_QUALITY commands + */ + + if (ieee80211_is_data(fc)) { + tx_cmd->initial_rate_index = 0; + tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_STA_RATE); + return; + } else if (ieee80211_is_back_req(fc)) { + tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_STA_RATE); + } + + /* HT rate doesn't make sense for a non data frame */ + WARN_ONCE(info->control.rates[0].flags & IEEE80211_TX_RC_MCS, + "Got an HT rate for a non data frame 0x%x\n", + info->control.rates[0].flags); + + rate_idx = info->control.rates[0].idx; + /* if the rate isn't a well known legacy rate, take the lowest one */ + if (rate_idx < 0 || rate_idx > IWL_RATE_COUNT_LEGACY) + rate_idx = rate_lowest_index( + &mvm->nvm_data->bands[info->band], sta); + + /* For 5 GHZ band, remap mac80211 rate indices into driver indices */ + if (info->band == IEEE80211_BAND_5GHZ) + rate_idx += IWL_FIRST_OFDM_RATE; + + /* For 2.4 GHZ band, check that there is no need to remap */ + BUILD_BUG_ON(IWL_FIRST_CCK_RATE != 0); + + /* Get PLCP rate for tx_cmd->rate_n_flags */ + rate_plcp = iwl_mvm_mac80211_idx_to_hwrate(rate_idx); + + mvm->mgmt_last_antenna_idx = + iwl_mvm_next_antenna(mvm, mvm->nvm_data->valid_tx_ant, + mvm->mgmt_last_antenna_idx); + rate_flags = BIT(mvm->mgmt_last_antenna_idx) << RATE_MCS_ANT_POS; + + /* Set CCK flag as needed */ + if ((rate_idx >= IWL_FIRST_CCK_RATE) && (rate_idx <= IWL_LAST_CCK_RATE)) + rate_flags |= RATE_MCS_CCK_MSK; + + /* Set the rate in the TX cmd */ + tx_cmd->rate_n_flags = cpu_to_le32((u32)rate_plcp | rate_flags); +} + +/* + * Sets the fields in the Tx cmd that are crypto related + */ +static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, + struct ieee80211_tx_info *info, + struct iwl_tx_cmd *tx_cmd, + struct sk_buff *skb_frag) +{ + struct ieee80211_key_conf *keyconf = info->control.hw_key; + + switch (keyconf->cipher) { + case WLAN_CIPHER_SUITE_CCMP: + tx_cmd->sec_ctl = TX_CMD_SEC_CCM; + memcpy(tx_cmd->key, keyconf->key, keyconf->keylen); + if (info->flags & IEEE80211_TX_CTL_AMPDU) + tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_CCMP_AGG); + break; + + case WLAN_CIPHER_SUITE_TKIP: + tx_cmd->sec_ctl = TX_CMD_SEC_TKIP; + ieee80211_get_tkip_p2k(keyconf, skb_frag, tx_cmd->key); + break; + + case WLAN_CIPHER_SUITE_WEP104: + tx_cmd->sec_ctl |= TX_CMD_SEC_KEY128; + /* fall through */ + case WLAN_CIPHER_SUITE_WEP40: + tx_cmd->sec_ctl |= TX_CMD_SEC_WEP | + ((keyconf->keyidx << TX_CMD_SEC_WEP_KEY_IDX_POS) & + TX_CMD_SEC_WEP_KEY_IDX_MSK); + + memcpy(&tx_cmd->key[3], keyconf->key, keyconf->keylen); + break; + default: + IWL_ERR(mvm, "Unknown encode cipher %x\n", keyconf->cipher); + break; + } +} + +/* + * Allocates and sets the Tx cmd the driver data pointers in the skb + */ +static struct iwl_device_cmd * +iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb, + struct ieee80211_sta *sta, u8 sta_id) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct iwl_device_cmd *dev_cmd; + struct iwl_tx_cmd *tx_cmd; + + dev_cmd = iwl_trans_alloc_tx_cmd(mvm->trans); + + if (unlikely(!dev_cmd)) + return NULL; + + memset(dev_cmd, 0, sizeof(*dev_cmd)); + tx_cmd = (struct iwl_tx_cmd *)dev_cmd->payload; + + if (info->control.hw_key) + iwl_mvm_set_tx_cmd_crypto(mvm, info, tx_cmd, skb); + + iwl_mvm_set_tx_cmd(mvm, skb, tx_cmd, info, sta_id); + + iwl_mvm_set_tx_cmd_rate(mvm, tx_cmd, info, sta, hdr->frame_control); + + memset(&info->status, 0, sizeof(info->status)); + + info->driver_data[0] = NULL; + info->driver_data[1] = dev_cmd; + + return dev_cmd; +} + +int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct iwl_device_cmd *dev_cmd; + struct iwl_tx_cmd *tx_cmd; + u8 sta_id; + + if (WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_AMPDU)) + return -1; + + if (WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM && + (!info->control.vif || + info->hw_queue != info->control.vif->cab_queue))) + return -1; + + /* + * If the interface on which frame is sent is the P2P_DEVICE + * or an AP/GO interface use the broadcast station associated + * with it; otherwise use the AUX station. + */ + if (info->control.vif && + (info->control.vif->type == NL80211_IFTYPE_P2P_DEVICE || + info->control.vif->type == NL80211_IFTYPE_AP)) { + struct iwl_mvm_vif *mvmvif = + iwl_mvm_vif_from_mac80211(info->control.vif); + sta_id = mvmvif->bcast_sta.sta_id; + } else { + sta_id = mvm->aux_sta.sta_id; + } + + IWL_DEBUG_TX(mvm, "station Id %d, queue=%d\n", sta_id, info->hw_queue); + + dev_cmd = iwl_mvm_set_tx_params(mvm, skb, NULL, sta_id); + if (!dev_cmd) + return -1; + + /* From now on, we cannot access info->control */ + tx_cmd = (struct iwl_tx_cmd *)dev_cmd->payload; + + /* Copy MAC header from skb into command buffer */ + memcpy(tx_cmd->hdr, hdr, ieee80211_hdrlen(hdr->frame_control)); + + if (iwl_trans_tx(mvm->trans, skb, dev_cmd, info->hw_queue)) { + iwl_trans_free_tx_cmd(mvm->trans, dev_cmd); + return -1; + } + + return 0; +} + +/* + * Sets the fields in the Tx cmd that are crypto related + */ +int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, + struct ieee80211_sta *sta) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct iwl_mvm_sta *mvmsta; + struct iwl_device_cmd *dev_cmd; + struct iwl_tx_cmd *tx_cmd; + __le16 fc; + u16 seq_number = 0; + u8 tid = IWL_MAX_TID_COUNT; + u8 txq_id = info->hw_queue; + bool is_data_qos = false, is_ampdu = false; + + mvmsta = (void *)sta->drv_priv; + fc = hdr->frame_control; + + if (WARN_ON_ONCE(!mvmsta)) + return -1; + + if (WARN_ON_ONCE(mvmsta->sta_id == IWL_INVALID_STATION)) + return -1; + + dev_cmd = iwl_mvm_set_tx_params(mvm, skb, sta, mvmsta->sta_id); + if (!dev_cmd) + goto drop; + + tx_cmd = (struct iwl_tx_cmd *)dev_cmd->payload; + /* From now on, we cannot access info->control */ + + spin_lock(&mvmsta->lock); + + if (ieee80211_is_data_qos(fc) && !ieee80211_is_qos_nullfunc(fc)) { + u8 *qc = NULL; + qc = ieee80211_get_qos_ctl(hdr); + tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; + if (WARN_ON_ONCE(tid >= IWL_MAX_TID_COUNT)) + goto drop_unlock_sta; + + seq_number = mvmsta->tid_data[tid].seq_number; + seq_number &= IEEE80211_SCTL_SEQ; + hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); + hdr->seq_ctrl |= cpu_to_le16(seq_number); + seq_number += 0x10; + is_data_qos = true; + is_ampdu = info->flags & IEEE80211_TX_CTL_AMPDU; + } + + /* Copy MAC header from skb into command buffer */ + memcpy(tx_cmd->hdr, hdr, ieee80211_hdrlen(fc)); + + WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM); + + if (is_ampdu) { + if (WARN_ON_ONCE(mvmsta->tid_data[tid].state != IWL_AGG_ON)) + goto drop_unlock_sta; + txq_id = mvmsta->tid_data[tid].txq_id; + } + + IWL_DEBUG_TX(mvm, "TX to [%d|%d] Q:%d - seq: 0x%x\n", mvmsta->sta_id, + tid, txq_id, seq_number); + + /* NOTE: aggregation will need changes here (for txq id) */ + if (iwl_trans_tx(mvm->trans, skb, dev_cmd, txq_id)) + goto drop_unlock_sta; + + if (is_data_qos && !ieee80211_has_morefrags(fc)) + mvmsta->tid_data[tid].seq_number = seq_number; + + spin_unlock(&mvmsta->lock); + + if (mvmsta->vif->type == NL80211_IFTYPE_AP && + txq_id < IWL_FIRST_AMPDU_QUEUE) + atomic_inc(&mvmsta->pending_frames); + + return 0; + +drop_unlock_sta: + iwl_trans_free_tx_cmd(mvm->trans, dev_cmd); + spin_unlock(&mvmsta->lock); +drop: + return -1; +} + +static void iwl_mvm_check_ratid_empty(struct iwl_mvm *mvm, + struct ieee80211_sta *sta, u8 tid) +{ + struct iwl_mvm_sta *mvmsta = (void *)sta->drv_priv; + struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; + struct ieee80211_vif *vif = mvmsta->vif; + + lockdep_assert_held(&mvmsta->lock); + + if (tid_data->ssn != tid_data->next_reclaimed) + return; + + switch (tid_data->state) { + case IWL_EMPTYING_HW_QUEUE_ADDBA: + IWL_DEBUG_TX_QUEUES(mvm, + "Can continue addBA flow ssn = next_recl = %d\n", + tid_data->next_reclaimed); + tid_data->state = IWL_AGG_STARTING; + ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); + break; + + case IWL_EMPTYING_HW_QUEUE_DELBA: + IWL_DEBUG_TX_QUEUES(mvm, + "Can continue DELBA flow ssn = next_recl = %d\n", + tid_data->next_reclaimed); + iwl_trans_txq_disable(mvm->trans, tid_data->txq_id); + tid_data->state = IWL_AGG_OFF; + /* + * we can't hold the mutex - but since we are after a sequence + * point (call to iwl_trans_txq_disable), so we don't even need + * a memory barrier. + */ + mvm->queue_to_mac80211[tid_data->txq_id] = + IWL_INVALID_MAC80211_QUEUE; + ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); + break; + + default: + break; + } +} + +#ifdef CONFIG_IWLWIFI_DEBUG +const char *iwl_mvm_get_tx_fail_reason(u32 status) +{ +#define TX_STATUS_FAIL(x) case TX_STATUS_FAIL_ ## x: return #x +#define TX_STATUS_POSTPONE(x) case TX_STATUS_POSTPONE_ ## x: return #x + + switch (status & TX_STATUS_MSK) { + case TX_STATUS_SUCCESS: + return "SUCCESS"; + TX_STATUS_POSTPONE(DELAY); + TX_STATUS_POSTPONE(FEW_BYTES); + TX_STATUS_POSTPONE(BT_PRIO); + TX_STATUS_POSTPONE(QUIET_PERIOD); + TX_STATUS_POSTPONE(CALC_TTAK); + TX_STATUS_FAIL(INTERNAL_CROSSED_RETRY); + TX_STATUS_FAIL(SHORT_LIMIT); + TX_STATUS_FAIL(LONG_LIMIT); + TX_STATUS_FAIL(UNDERRUN); + TX_STATUS_FAIL(DRAIN_FLOW); + TX_STATUS_FAIL(RFKILL_FLUSH); + TX_STATUS_FAIL(LIFE_EXPIRE); + TX_STATUS_FAIL(DEST_PS); + TX_STATUS_FAIL(HOST_ABORTED); + TX_STATUS_FAIL(BT_RETRY); + TX_STATUS_FAIL(STA_INVALID); + TX_STATUS_FAIL(FRAG_DROPPED); + TX_STATUS_FAIL(TID_DISABLE); + TX_STATUS_FAIL(FIFO_FLUSHED); + TX_STATUS_FAIL(SMALL_CF_POLL); + TX_STATUS_FAIL(FW_DROP); + TX_STATUS_FAIL(STA_COLOR_MISMATCH); + } + + return "UNKNOWN"; + +#undef TX_STATUS_FAIL +#undef TX_STATUS_POSTPONE +} +#endif /* CONFIG_IWLWIFI_DEBUG */ + +/** + * translate ucode response to mac80211 tx status control values + */ +static void iwl_mvm_hwrate_to_tx_control(u32 rate_n_flags, + struct ieee80211_tx_info *info) +{ + struct ieee80211_tx_rate *r = &info->status.rates[0]; + + info->status.antenna = + ((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS); + if (rate_n_flags & RATE_HT_MCS_GF_MSK) + r->flags |= IEEE80211_TX_RC_GREEN_FIELD; + switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { + case RATE_MCS_CHAN_WIDTH_20: + break; + case RATE_MCS_CHAN_WIDTH_40: + r->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; + break; + case RATE_MCS_CHAN_WIDTH_80: + r->flags |= IEEE80211_TX_RC_80_MHZ_WIDTH; + break; + case RATE_MCS_CHAN_WIDTH_160: + r->flags |= IEEE80211_TX_RC_160_MHZ_WIDTH; + break; + } + if (rate_n_flags & RATE_MCS_SGI_MSK) + r->flags |= IEEE80211_TX_RC_SHORT_GI; + if (rate_n_flags & RATE_MCS_HT_MSK) { + r->flags |= IEEE80211_TX_RC_MCS; + r->idx = rate_n_flags & RATE_HT_MCS_INDEX_MSK; + } else if (rate_n_flags & RATE_MCS_VHT_MSK) { + ieee80211_rate_set_vht( + r, rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK, + ((rate_n_flags & RATE_VHT_MCS_NSS_MSK) >> + RATE_VHT_MCS_NSS_POS) + 1); + r->flags |= IEEE80211_TX_RC_VHT_MCS; + } else { + r->idx = iwl_mvm_legacy_rate_to_mac80211_idx(rate_n_flags, + info->band); + } +} + +static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, + struct iwl_rx_packet *pkt) +{ + struct ieee80211_sta *sta; + u16 sequence = le16_to_cpu(pkt->hdr.sequence); + int txq_id = SEQ_TO_QUEUE(sequence); + struct iwl_mvm_tx_resp *tx_resp = (void *)pkt->data; + int sta_id = IWL_MVM_TX_RES_GET_RA(tx_resp->ra_tid); + int tid = IWL_MVM_TX_RES_GET_TID(tx_resp->ra_tid); + u32 status = le16_to_cpu(tx_resp->status.status); + u16 ssn = iwl_mvm_get_scd_ssn(tx_resp); + struct iwl_mvm_sta *mvmsta; + struct sk_buff_head skbs; + u8 skb_freed = 0; + u16 next_reclaimed, seq_ctl; + + __skb_queue_head_init(&skbs); + + seq_ctl = le16_to_cpu(tx_resp->seq_ctl); + + /* we can free until ssn % q.n_bd not inclusive */ + iwl_trans_reclaim(mvm->trans, txq_id, ssn, &skbs); + + while (!skb_queue_empty(&skbs)) { + struct sk_buff *skb = __skb_dequeue(&skbs); + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + + skb_freed++; + + iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); + + memset(&info->status, 0, sizeof(info->status)); + + info->flags &= ~IEEE80211_TX_CTL_AMPDU; + + /* inform mac80211 about what happened with the frame */ + switch (status & TX_STATUS_MSK) { + case TX_STATUS_SUCCESS: + case TX_STATUS_DIRECT_DONE: + info->flags |= IEEE80211_TX_STAT_ACK; + break; + case TX_STATUS_FAIL_DEST_PS: + info->flags |= IEEE80211_TX_STAT_TX_FILTERED; + break; + default: + break; + } + + info->status.rates[0].count = tx_resp->failure_frame + 1; + iwl_mvm_hwrate_to_tx_control(le32_to_cpu(tx_resp->initial_rate), + info); + + /* Single frame failure in an AMPDU queue => send BAR */ + if (txq_id >= IWL_FIRST_AMPDU_QUEUE && + !(info->flags & IEEE80211_TX_STAT_ACK)) { + /* there must be only one skb in the skb_list */ + WARN_ON_ONCE(skb_freed > 1 || + !skb_queue_empty(&skbs)); + info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK; + } + + /* W/A FW bug: seq_ctl is wrong when the queue is flushed */ + if (status == TX_STATUS_FAIL_FIFO_FLUSHED) { + struct ieee80211_hdr *hdr = (void *)skb->data; + seq_ctl = le16_to_cpu(hdr->seq_ctrl); + } + + ieee80211_tx_status(mvm->hw, skb); + } + + if (txq_id >= IWL_FIRST_AMPDU_QUEUE) { + /* If this is an aggregation queue, we use the ssn since: + * ssn = wifi seq_num % 256. + * The seq_ctl is the sequence control of the packet to which + * this Tx response relates. But if there is a hole in the + * bitmap of the BA we received, this Tx response may allow to + * reclaim the hole and all the subsequent packets that were + * already acked. In that case, seq_ctl != ssn, and the next + * packet to be reclaimed will be ssn and not seq_ctl. In that + * case, several packets will be reclaimed even if + * frame_count = 1. + * + * The ssn is the index (% 256) of the latest packet that has + * treated (acked / dropped) + 1. + */ + next_reclaimed = ssn; + } else { + /* The next packet to be reclaimed is the one after this one */ + next_reclaimed = SEQ_TO_SN(seq_ctl + 0x10); + } + + IWL_DEBUG_TX_REPLY(mvm, + "TXQ %d status %s (0x%08x)\n\t\t\t\tinitial_rate 0x%x " + "retries %d, idx=%d ssn=%d next_reclaimed=0x%x seq_ctl=0x%x\n", + txq_id, iwl_mvm_get_tx_fail_reason(status), + status, le32_to_cpu(tx_resp->initial_rate), + tx_resp->failure_frame, SEQ_TO_INDEX(sequence), + ssn, next_reclaimed, seq_ctl); + + rcu_read_lock(); + + sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); + + if (!IS_ERR_OR_NULL(sta)) { + mvmsta = (void *)sta->drv_priv; + + if (tid != IWL_TID_NON_QOS) { + struct iwl_mvm_tid_data *tid_data = + &mvmsta->tid_data[tid]; + + spin_lock(&mvmsta->lock); + tid_data->next_reclaimed = next_reclaimed; + IWL_DEBUG_TX_REPLY(mvm, "Next reclaimed packet:%d\n", + next_reclaimed); + iwl_mvm_check_ratid_empty(mvm, sta, tid); + spin_unlock(&mvmsta->lock); + } + +#ifdef CONFIG_PM_SLEEP + mvmsta->last_seq_ctl = seq_ctl; +#endif + } else { + sta = NULL; + mvmsta = NULL; + } + + /* + * If the txq is not an AMPDU queue, there is no chance we freed + * several skbs. Check that out... + * If there are no pending frames for this STA, notify mac80211 that + * this station can go to sleep in its STA table. + */ + if (txq_id < IWL_FIRST_AMPDU_QUEUE && mvmsta && + !WARN_ON(skb_freed > 1) && + mvmsta->vif->type == NL80211_IFTYPE_AP && + atomic_sub_and_test(skb_freed, &mvmsta->pending_frames)) { + ieee80211_sta_block_awake(mvm->hw, sta, false); + set_bit(sta_id, mvm->sta_drained); + schedule_work(&mvm->sta_drained_wk); + } + + rcu_read_unlock(); +} + +#ifdef CONFIG_IWLWIFI_DEBUG +#define AGG_TX_STATE_(x) case AGG_TX_STATE_ ## x: return #x +static const char *iwl_get_agg_tx_status(u16 status) +{ + switch (status & AGG_TX_STATE_STATUS_MSK) { + AGG_TX_STATE_(TRANSMITTED); + AGG_TX_STATE_(UNDERRUN); + AGG_TX_STATE_(BT_PRIO); + AGG_TX_STATE_(FEW_BYTES); + AGG_TX_STATE_(ABORT); + AGG_TX_STATE_(LAST_SENT_TTL); + AGG_TX_STATE_(LAST_SENT_TRY_CNT); + AGG_TX_STATE_(LAST_SENT_BT_KILL); + AGG_TX_STATE_(SCD_QUERY); + AGG_TX_STATE_(TEST_BAD_CRC32); + AGG_TX_STATE_(RESPONSE); + AGG_TX_STATE_(DUMP_TX); + AGG_TX_STATE_(DELAY_TX); + } + + return "UNKNOWN"; +} + +static void iwl_mvm_rx_tx_cmd_agg_dbg(struct iwl_mvm *mvm, + struct iwl_rx_packet *pkt) +{ + struct iwl_mvm_tx_resp *tx_resp = (void *)pkt->data; + struct agg_tx_status *frame_status = &tx_resp->status; + int i; + + for (i = 0; i < tx_resp->frame_count; i++) { + u16 fstatus = le16_to_cpu(frame_status[i].status); + + IWL_DEBUG_TX_REPLY(mvm, + "status %s (0x%04x), try-count (%d) seq (0x%x)\n", + iwl_get_agg_tx_status(fstatus), + fstatus & AGG_TX_STATE_STATUS_MSK, + (fstatus & AGG_TX_STATE_TRY_CNT_MSK) >> + AGG_TX_STATE_TRY_CNT_POS, + le16_to_cpu(frame_status[i].sequence)); + } +} +#else +static void iwl_mvm_rx_tx_cmd_agg_dbg(struct iwl_mvm *mvm, + struct iwl_rx_packet *pkt) +{} +#endif /* CONFIG_IWLWIFI_DEBUG */ + +static void iwl_mvm_rx_tx_cmd_agg(struct iwl_mvm *mvm, + struct iwl_rx_packet *pkt) +{ + struct iwl_mvm_tx_resp *tx_resp = (void *)pkt->data; + int sta_id = IWL_MVM_TX_RES_GET_RA(tx_resp->ra_tid); + int tid = IWL_MVM_TX_RES_GET_TID(tx_resp->ra_tid); + u16 sequence = le16_to_cpu(pkt->hdr.sequence); + struct ieee80211_sta *sta; + + if (WARN_ON_ONCE(SEQ_TO_QUEUE(sequence) < IWL_FIRST_AMPDU_QUEUE)) + return; + + if (WARN_ON_ONCE(tid == IWL_TID_NON_QOS)) + return; + + iwl_mvm_rx_tx_cmd_agg_dbg(mvm, pkt); + + rcu_read_lock(); + + sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); + + if (!WARN_ON_ONCE(IS_ERR_OR_NULL(sta))) { + struct iwl_mvm_sta *mvmsta = (void *)sta->drv_priv; + mvmsta->tid_data[tid].rate_n_flags = + le32_to_cpu(tx_resp->initial_rate); + } + + rcu_read_unlock(); +} + +int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_mvm_tx_resp *tx_resp = (void *)pkt->data; + + if (tx_resp->frame_count == 1) + iwl_mvm_rx_tx_cmd_single(mvm, pkt); + else + iwl_mvm_rx_tx_cmd_agg(mvm, pkt); + + return 0; +} + +int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_mvm_ba_notif *ba_notif = (void *)pkt->data; + struct sk_buff_head reclaimed_skbs; + struct iwl_mvm_tid_data *tid_data; + struct ieee80211_tx_info *info; + struct ieee80211_sta *sta; + struct iwl_mvm_sta *mvmsta; + struct ieee80211_hdr *hdr; + struct sk_buff *skb; + int sta_id, tid, freed; + + /* "flow" corresponds to Tx queue */ + u16 scd_flow = le16_to_cpu(ba_notif->scd_flow); + + /* "ssn" is start of block-ack Tx window, corresponds to index + * (in Tx queue's circular buffer) of first TFD/frame in window */ + u16 ba_resp_scd_ssn = le16_to_cpu(ba_notif->scd_ssn); + + sta_id = ba_notif->sta_id; + tid = ba_notif->tid; + + rcu_read_lock(); + + sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); + + /* Reclaiming frames for a station that has been deleted ? */ + if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta))) { + rcu_read_unlock(); + return 0; + } + + mvmsta = (void *)sta->drv_priv; + tid_data = &mvmsta->tid_data[tid]; + + if (WARN_ONCE(tid_data->txq_id != scd_flow, "Q %d, tid %d, flow %d", + tid_data->txq_id, tid, scd_flow)) { + rcu_read_unlock(); + return 0; + } + + spin_lock(&mvmsta->lock); + + __skb_queue_head_init(&reclaimed_skbs); + + /* + * Release all TFDs before the SSN, i.e. all TFDs in front of + * block-ack window (we assume that they've been successfully + * transmitted ... if not, it's too late anyway). + */ + iwl_trans_reclaim(mvm->trans, scd_flow, ba_resp_scd_ssn, + &reclaimed_skbs); + + IWL_DEBUG_TX_REPLY(mvm, + "BA_NOTIFICATION Received from %pM, sta_id = %d\n", + (u8 *)&ba_notif->sta_addr_lo32, + ba_notif->sta_id); + IWL_DEBUG_TX_REPLY(mvm, + "TID = %d, SeqCtl = %d, bitmap = 0x%llx, scd_flow = %d, scd_ssn = %d sent:%d, acked:%d\n", + ba_notif->tid, le16_to_cpu(ba_notif->seq_ctl), + (unsigned long long)le64_to_cpu(ba_notif->bitmap), + scd_flow, ba_resp_scd_ssn, ba_notif->txed, + ba_notif->txed_2_done); + + tid_data->next_reclaimed = ba_resp_scd_ssn; + + iwl_mvm_check_ratid_empty(mvm, sta, tid); + + freed = 0; + + skb_queue_walk(&reclaimed_skbs, skb) { + hdr = (struct ieee80211_hdr *)skb->data; + + if (ieee80211_is_data_qos(hdr->frame_control)) + freed++; + else + WARN_ON_ONCE(1); + + info = IEEE80211_SKB_CB(skb); + iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); + + if (freed == 1) { + /* this is the first skb we deliver in this batch */ + /* put the rate scaling data there */ + info = IEEE80211_SKB_CB(skb); + memset(&info->status, 0, sizeof(info->status)); + info->flags |= IEEE80211_TX_STAT_ACK; + info->flags |= IEEE80211_TX_STAT_AMPDU; + info->status.ampdu_ack_len = ba_notif->txed_2_done; + info->status.ampdu_len = ba_notif->txed; + iwl_mvm_hwrate_to_tx_control(tid_data->rate_n_flags, + info); + } + } + + spin_unlock(&mvmsta->lock); + + rcu_read_unlock(); + + while (!skb_queue_empty(&reclaimed_skbs)) { + skb = __skb_dequeue(&reclaimed_skbs); + ieee80211_tx_status(mvm->hw, skb); + } + + return 0; +} + +int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync) +{ + int ret; + struct iwl_tx_path_flush_cmd flush_cmd = { + .queues_ctl = cpu_to_le32(tfd_msk), + .flush_ctl = cpu_to_le16(DUMP_TX_FIFO_FLUSH), + }; + + u32 flags = sync ? CMD_SYNC : CMD_ASYNC; + + ret = iwl_mvm_send_cmd_pdu(mvm, TXPATH_FLUSH, flags, + sizeof(flush_cmd), &flush_cmd); + if (ret) + IWL_ERR(mvm, "Failed to send flush command (%d)\n", ret); + return ret; +} diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c new file mode 100644 index 000000000000..000e842c2edd --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/utils.c @@ -0,0 +1,472 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#include <net/mac80211.h> + +#include "iwl-debug.h" +#include "iwl-io.h" + +#include "mvm.h" +#include "fw-api-rs.h" + +/* + * Will return 0 even if the cmd failed when RFKILL is asserted unless + * CMD_WANT_SKB is set in cmd->flags. + */ +int iwl_mvm_send_cmd(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd) +{ + int ret; + + /* + * Synchronous commands from this op-mode must hold + * the mutex, this ensures we don't try to send two + * (or more) synchronous commands at a time. + */ + if (!(cmd->flags & CMD_ASYNC)) + lockdep_assert_held(&mvm->mutex); + + ret = iwl_trans_send_cmd(mvm->trans, cmd); + + /* + * If the caller wants the SKB, then don't hide any problems, the + * caller might access the response buffer which will be NULL if + * the command failed. + */ + if (cmd->flags & CMD_WANT_SKB) + return ret; + + /* Silently ignore failures if RFKILL is asserted */ + if (!ret || ret == -ERFKILL) + return 0; + return ret; +} + +int iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id, + u32 flags, u16 len, const void *data) +{ + struct iwl_host_cmd cmd = { + .id = id, + .len = { len, }, + .data = { data, }, + .flags = flags, + }; + + return iwl_mvm_send_cmd(mvm, &cmd); +} + +/* + * We assume that the caller set the status to the sucess value + */ +int iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd, + u32 *status) +{ + struct iwl_rx_packet *pkt; + struct iwl_cmd_response *resp; + int ret, resp_len; + + lockdep_assert_held(&mvm->mutex); + + /* + * Only synchronous commands can wait for status, + * we use WANT_SKB so the caller can't. + */ + if (WARN_ONCE(cmd->flags & (CMD_ASYNC | CMD_WANT_SKB), + "cmd flags %x", cmd->flags)) + return -EINVAL; + + cmd->flags |= CMD_SYNC | CMD_WANT_SKB; + + ret = iwl_trans_send_cmd(mvm->trans, cmd); + if (ret == -ERFKILL) { + /* + * The command failed because of RFKILL, don't update + * the status, leave it as success and return 0. + */ + return 0; + } else if (ret) { + return ret; + } + + pkt = cmd->resp_pkt; + /* Can happen if RFKILL is asserted */ + if (!pkt) { + ret = 0; + goto out_free_resp; + } + + if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { + ret = -EIO; + goto out_free_resp; + } + + resp_len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; + if (WARN_ON_ONCE(resp_len != sizeof(pkt->hdr) + sizeof(*resp))) { + ret = -EIO; + goto out_free_resp; + } + + resp = (void *)pkt->data; + *status = le32_to_cpu(resp->status); + out_free_resp: + iwl_free_resp(cmd); + return ret; +} + +/* + * We assume that the caller set the status to the sucess value + */ +int iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id, u16 len, + const void *data, u32 *status) +{ + struct iwl_host_cmd cmd = { + .id = id, + .len = { len, }, + .data = { data, }, + }; + + return iwl_mvm_send_cmd_status(mvm, &cmd, status); +} + +#define IWL_DECLARE_RATE_INFO(r) \ + [IWL_RATE_##r##M_INDEX] = IWL_RATE_##r##M_PLCP + +/* + * Translate from fw_rate_index (IWL_RATE_XXM_INDEX) to PLCP + */ +static const u8 fw_rate_idx_to_plcp[IWL_RATE_COUNT] = { + IWL_DECLARE_RATE_INFO(1), + IWL_DECLARE_RATE_INFO(2), + IWL_DECLARE_RATE_INFO(5), + IWL_DECLARE_RATE_INFO(11), + IWL_DECLARE_RATE_INFO(6), + IWL_DECLARE_RATE_INFO(9), + IWL_DECLARE_RATE_INFO(12), + IWL_DECLARE_RATE_INFO(18), + IWL_DECLARE_RATE_INFO(24), + IWL_DECLARE_RATE_INFO(36), + IWL_DECLARE_RATE_INFO(48), + IWL_DECLARE_RATE_INFO(54), +}; + +int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags, + enum ieee80211_band band) +{ + int rate = rate_n_flags & RATE_LEGACY_RATE_MSK; + int idx; + int band_offset = 0; + + /* Legacy rate format, search for match in table */ + if (band == IEEE80211_BAND_5GHZ) + band_offset = IWL_FIRST_OFDM_RATE; + for (idx = band_offset; idx < IWL_RATE_COUNT_LEGACY; idx++) + if (fw_rate_idx_to_plcp[idx] == rate) + return idx - band_offset; + + return -1; +} + +u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx) +{ + /* Get PLCP rate for tx_cmd->rate_n_flags */ + return fw_rate_idx_to_plcp[rate_idx]; +} + +int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_error_resp *err_resp = (void *)pkt->data; + + IWL_ERR(mvm, "FW Error notification: type 0x%08X cmd_id 0x%02X\n", + le32_to_cpu(err_resp->error_type), err_resp->cmd_id); + IWL_ERR(mvm, "FW Error notification: seq 0x%04X service 0x%08X\n", + le16_to_cpu(err_resp->bad_cmd_seq_num), + le32_to_cpu(err_resp->error_service)); + IWL_ERR(mvm, "FW Error notification: timestamp 0x%16llX\n", + le64_to_cpu(err_resp->timestamp)); + return 0; +} + +/* + * Returns the first antenna as ANT_[ABC], as defined in iwl-config.h. + * The parameter should also be a combination of ANT_[ABC]. + */ +u8 first_antenna(u8 mask) +{ + BUILD_BUG_ON(ANT_A != BIT(0)); /* using ffs is wrong if not */ + WARN_ON_ONCE(!mask); /* ffs will return 0 if mask is zeroed */ + return (u8)(BIT(ffs(mask))); +} + +/* + * Toggles between TX antennas to send the probe request on. + * Receives the bitmask of valid TX antennas and the *index* used + * for the last TX, and returns the next valid *index* to use. + * In order to set it in the tx_cmd, must do BIT(idx). + */ +u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx) +{ + u8 ind = last_idx; + int i; + + for (i = 0; i < RATE_MCS_ANT_NUM; i++) { + ind = (ind + 1) % RATE_MCS_ANT_NUM; + if (valid & BIT(ind)) + return ind; + } + + WARN_ONCE(1, "Failed to toggle between antennas 0x%x", valid); + return last_idx; +} + +static struct { + char *name; + u8 num; +} advanced_lookup[] = { + { "NMI_INTERRUPT_WDG", 0x34 }, + { "SYSASSERT", 0x35 }, + { "UCODE_VERSION_MISMATCH", 0x37 }, + { "BAD_COMMAND", 0x38 }, + { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C }, + { "FATAL_ERROR", 0x3D }, + { "NMI_TRM_HW_ERR", 0x46 }, + { "NMI_INTERRUPT_TRM", 0x4C }, + { "NMI_INTERRUPT_BREAK_POINT", 0x54 }, + { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C }, + { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 }, + { "NMI_INTERRUPT_HOST", 0x66 }, + { "NMI_INTERRUPT_ACTION_PT", 0x7C }, + { "NMI_INTERRUPT_UNKNOWN", 0x84 }, + { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 }, + { "ADVANCED_SYSASSERT", 0 }, +}; + +static const char *desc_lookup(u32 num) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(advanced_lookup) - 1; i++) + if (advanced_lookup[i].num == num) + return advanced_lookup[i].name; + + /* No entry matches 'num', so it is the last: ADVANCED_SYSASSERT */ + return advanced_lookup[i].name; +} + +/* + * Note: This structure is read from the device with IO accesses, + * and the reading already does the endian conversion. As it is + * read with u32-sized accesses, any members with a different size + * need to be ordered correctly though! + */ +struct iwl_error_event_table { + u32 valid; /* (nonzero) valid, (0) log is empty */ + u32 error_id; /* type of error */ + u32 pc; /* program counter */ + u32 blink1; /* branch link */ + u32 blink2; /* branch link */ + u32 ilink1; /* interrupt link */ + u32 ilink2; /* interrupt link */ + u32 data1; /* error-specific data */ + u32 data2; /* error-specific data */ + u32 data3; /* error-specific data */ + u32 bcon_time; /* beacon timer */ + u32 tsf_low; /* network timestamp function timer */ + u32 tsf_hi; /* network timestamp function timer */ + u32 gp1; /* GP1 timer register */ + u32 gp2; /* GP2 timer register */ + u32 gp3; /* GP3 timer register */ + u32 ucode_ver; /* uCode version */ + u32 hw_ver; /* HW Silicon version */ + u32 brd_ver; /* HW board version */ + u32 log_pc; /* log program counter */ + u32 frame_ptr; /* frame pointer */ + u32 stack_ptr; /* stack pointer */ + u32 hcmd; /* last host command header */ + u32 isr0; /* isr status register LMPM_NIC_ISR0: + * rxtx_flag */ + u32 isr1; /* isr status register LMPM_NIC_ISR1: + * host_flag */ + u32 isr2; /* isr status register LMPM_NIC_ISR2: + * enc_flag */ + u32 isr3; /* isr status register LMPM_NIC_ISR3: + * time_flag */ + u32 isr4; /* isr status register LMPM_NIC_ISR4: + * wico interrupt */ + u32 isr_pref; /* isr status register LMPM_NIC_PREF_STAT */ + u32 wait_event; /* wait event() caller address */ + u32 l2p_control; /* L2pControlField */ + u32 l2p_duration; /* L2pDurationField */ + u32 l2p_mhvalid; /* L2pMhValidBits */ + u32 l2p_addr_match; /* L2pAddrMatchStat */ + u32 lmpm_pmg_sel; /* indicate which clocks are turned on + * (LMPM_PMG_SEL) */ + u32 u_timestamp; /* indicate when the date and time of the + * compilation */ + u32 flow_handler; /* FH read/write pointers, RX credit */ +} __packed; + +#define ERROR_START_OFFSET (1 * sizeof(u32)) +#define ERROR_ELEM_SIZE (7 * sizeof(u32)) + +void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) +{ + struct iwl_trans *trans = mvm->trans; + struct iwl_error_event_table table; + u32 base; + + base = mvm->error_event_table; + if (mvm->cur_ucode == IWL_UCODE_INIT) { + if (!base) + base = mvm->fw->init_errlog_ptr; + } else { + if (!base) + base = mvm->fw->inst_errlog_ptr; + } + + if (base < 0x800000 || base >= 0x80C000) { + IWL_ERR(mvm, + "Not valid error log pointer 0x%08X for %s uCode\n", + base, + (mvm->cur_ucode == IWL_UCODE_INIT) + ? "Init" : "RT"); + return; + } + + iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table)); + + if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { + IWL_ERR(trans, "Start IWL Error Log Dump:\n"); + IWL_ERR(trans, "Status: 0x%08lX, count: %d\n", + mvm->status, table.valid); + } + + trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low, + table.data1, table.data2, table.data3, + table.blink1, table.blink2, table.ilink1, + table.ilink2, table.bcon_time, table.gp1, + table.gp2, table.gp3, table.ucode_ver, + table.hw_ver, table.brd_ver); + IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id, + desc_lookup(table.error_id)); + IWL_ERR(mvm, "0x%08X | uPc\n", table.pc); + IWL_ERR(mvm, "0x%08X | branchlink1\n", table.blink1); + IWL_ERR(mvm, "0x%08X | branchlink2\n", table.blink2); + IWL_ERR(mvm, "0x%08X | interruptlink1\n", table.ilink1); + IWL_ERR(mvm, "0x%08X | interruptlink2\n", table.ilink2); + IWL_ERR(mvm, "0x%08X | data1\n", table.data1); + IWL_ERR(mvm, "0x%08X | data2\n", table.data2); + IWL_ERR(mvm, "0x%08X | data3\n", table.data3); + IWL_ERR(mvm, "0x%08X | beacon time\n", table.bcon_time); + IWL_ERR(mvm, "0x%08X | tsf low\n", table.tsf_low); + IWL_ERR(mvm, "0x%08X | tsf hi\n", table.tsf_hi); + IWL_ERR(mvm, "0x%08X | time gp1\n", table.gp1); + IWL_ERR(mvm, "0x%08X | time gp2\n", table.gp2); + IWL_ERR(mvm, "0x%08X | time gp3\n", table.gp3); + IWL_ERR(mvm, "0x%08X | uCode version\n", table.ucode_ver); + IWL_ERR(mvm, "0x%08X | hw version\n", table.hw_ver); + IWL_ERR(mvm, "0x%08X | board version\n", table.brd_ver); + IWL_ERR(mvm, "0x%08X | hcmd\n", table.hcmd); + IWL_ERR(mvm, "0x%08X | isr0\n", table.isr0); + IWL_ERR(mvm, "0x%08X | isr1\n", table.isr1); + IWL_ERR(mvm, "0x%08X | isr2\n", table.isr2); + IWL_ERR(mvm, "0x%08X | isr3\n", table.isr3); + IWL_ERR(mvm, "0x%08X | isr4\n", table.isr4); + IWL_ERR(mvm, "0x%08X | isr_pref\n", table.isr_pref); + IWL_ERR(mvm, "0x%08X | wait_event\n", table.wait_event); + IWL_ERR(mvm, "0x%08X | l2p_control\n", table.l2p_control); + IWL_ERR(mvm, "0x%08X | l2p_duration\n", table.l2p_duration); + IWL_ERR(mvm, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid); + IWL_ERR(mvm, "0x%08X | l2p_addr_match\n", table.l2p_addr_match); + IWL_ERR(mvm, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel); + IWL_ERR(mvm, "0x%08X | timestamp\n", table.u_timestamp); + IWL_ERR(mvm, "0x%08X | flow_handler\n", table.flow_handler); +} + +/** + * iwl_mvm_send_lq_cmd() - Send link quality command + * @init: This command is sent as part of station initialization right + * after station has been added. + * + * The link quality command is sent as the last step of station creation. + * This is the special case in which init is set and we call a callback in + * this case to clear the state indicating that station creation is in + * progress. + */ +int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, + u8 flags, bool init) +{ + struct iwl_host_cmd cmd = { + .id = LQ_CMD, + .len = { sizeof(struct iwl_lq_cmd), }, + .flags = flags, + .data = { lq, }, + }; + + if (WARN_ON(lq->sta_id == IWL_INVALID_STATION)) + return -EINVAL; + + if (WARN_ON(init && (cmd.flags & CMD_ASYNC))) + return -EINVAL; + + return iwl_mvm_send_cmd(mvm, &cmd); +} diff --git a/drivers/net/wireless/iwlwifi/pcie/1000.c b/drivers/net/wireless/iwlwifi/pcie/1000.c index f8620ecae6b4..ff3389757281 100644 --- a/drivers/net/wireless/iwlwifi/pcie/1000.c +++ b/drivers/net/wireless/iwlwifi/pcie/1000.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/pcie/2000.c b/drivers/net/wireless/iwlwifi/pcie/2000.c index 244019cec3e1..e7de33128b16 100644 --- a/drivers/net/wireless/iwlwifi/pcie/2000.c +++ b/drivers/net/wireless/iwlwifi/pcie/2000.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/pcie/5000.c b/drivers/net/wireless/iwlwifi/pcie/5000.c index 83ca40321ff1..5096f7c96ab6 100644 --- a/drivers/net/wireless/iwlwifi/pcie/5000.c +++ b/drivers/net/wireless/iwlwifi/pcie/5000.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/pcie/6000.c b/drivers/net/wireless/iwlwifi/pcie/6000.c index d4df976d4709..801ff49796dd 100644 --- a/drivers/net/wireless/iwlwifi/pcie/6000.c +++ b/drivers/net/wireless/iwlwifi/pcie/6000.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/pcie/7000.c b/drivers/net/wireless/iwlwifi/pcie/7000.c new file mode 100644 index 000000000000..6e35b2b72332 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/pcie/7000.c @@ -0,0 +1,111 @@ +/****************************************************************************** + * + * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * The full GNU General Public License is included in this distribution in the + * file called LICENSE. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + *****************************************************************************/ + +#include <linux/module.h> +#include <linux/stringify.h> +#include "iwl-config.h" +#include "iwl-agn-hw.h" +#include "cfg.h" + +/* Highest firmware API version supported */ +#define IWL7260_UCODE_API_MAX 6 +#define IWL3160_UCODE_API_MAX 6 + +/* Oldest version we won't warn about */ +#define IWL7260_UCODE_API_OK 6 +#define IWL3160_UCODE_API_OK 6 + +/* Lowest firmware API version supported */ +#define IWL7260_UCODE_API_MIN 6 +#define IWL3160_UCODE_API_MIN 6 + +/* NVM versions */ +#define IWL7260_NVM_VERSION 0x0a1d +#define IWL7260_TX_POWER_VERSION 0xffff /* meaningless */ +#define IWL3160_NVM_VERSION 0x709 +#define IWL3160_TX_POWER_VERSION 0xffff /* meaningless */ + +#define IWL7260_FW_PRE "iwlwifi-7260-" +#define IWL7260_MODULE_FIRMWARE(api) IWL7260_FW_PRE __stringify(api) ".ucode" + +#define IWL3160_FW_PRE "iwlwifi-3160-" +#define IWL3160_MODULE_FIRMWARE(api) IWL3160_FW_PRE __stringify(api) ".ucode" + +static const struct iwl_base_params iwl7000_base_params = { + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .num_of_queues = IWLAGN_NUM_QUEUES, + .pll_cfg_val = 0, + .shadow_ram_support = true, + .led_compensation = 57, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .wd_timeout = IWL_LONG_WD_TIMEOUT, + .max_event_log_size = 512, + .shadow_reg_enable = false, /* TODO: fix bugs using this feature */ +}; + +static const struct iwl_ht_params iwl7000_ht_params = { + .ht_greenfield_support = true, + .use_rts_for_aggregation = true, /* use rts/cts protection */ + .ht40_bands = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ), +}; + +#define IWL_DEVICE_7000 \ + .ucode_api_max = IWL7260_UCODE_API_MAX, \ + .ucode_api_ok = IWL7260_UCODE_API_OK, \ + .ucode_api_min = IWL7260_UCODE_API_MIN, \ + .device_family = IWL_DEVICE_FAMILY_7000, \ + .max_inst_size = IWL60_RTC_INST_SIZE, \ + .max_data_size = IWL60_RTC_DATA_SIZE, \ + .base_params = &iwl7000_base_params, \ + /* TODO: .bt_params? */ \ + .need_temp_offset_calib = true, \ + .led_mode = IWL_LED_RF_STATE, \ + .adv_pm = true \ + + +const struct iwl_cfg iwl7260_2ac_cfg = { + .name = "Intel(R) Dual Band Wireless AC7260", + .fw_name_pre = IWL7260_FW_PRE, + IWL_DEVICE_7000, + .ht_params = &iwl7000_ht_params, + .nvm_ver = IWL7260_NVM_VERSION, + .nvm_calib_ver = IWL7260_TX_POWER_VERSION, +}; + +const struct iwl_cfg iwl3160_ac_cfg = { + .name = "Intel(R) Dual Band Wireless AC3160", + .fw_name_pre = IWL3160_FW_PRE, + IWL_DEVICE_7000, + .ht_params = &iwl7000_ht_params, + .nvm_ver = IWL3160_NVM_VERSION, + .nvm_calib_ver = IWL3160_TX_POWER_VERSION, +}; + +MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); +MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL3160_UCODE_API_OK)); diff --git a/drivers/net/wireless/iwlwifi/pcie/cfg.h b/drivers/net/wireless/iwlwifi/pcie/cfg.h index 82152311d73b..c6f8e83c3551 100644 --- a/drivers/net/wireless/iwlwifi/pcie/cfg.h +++ b/drivers/net/wireless/iwlwifi/pcie/cfg.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -109,5 +109,7 @@ extern const struct iwl_cfg iwl6035_2agn_cfg; extern const struct iwl_cfg iwl105_bgn_cfg; extern const struct iwl_cfg iwl105_bgn_d_cfg; extern const struct iwl_cfg iwl135_bgn_cfg; +extern const struct iwl_cfg iwl7260_2ac_cfg; +extern const struct iwl_cfg iwl3160_ac_cfg; #endif /* __iwl_pci_h__ */ diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index c2e141af353c..7bc0fb9128dd 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -255,6 +255,12 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x0893, 0x0262, iwl135_bgn_cfg)}, {IWL_PCI_DEVICE(0x0892, 0x0462, iwl135_bgn_cfg)}, +/* 7000 Series */ + {IWL_PCI_DEVICE(0x08B1, 0x4070, iwl7260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0xC070, iwl7260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B3, 0x0070, iwl3160_ac_cfg)}, + {IWL_PCI_DEVICE(0x08B3, 0x8070, iwl3160_ac_cfg)}, + {0} }; MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids); diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h index 20735a008cab..5f6bb4e09d42 100644 --- a/drivers/net/wireless/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/iwlwifi/pcie/internal.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -235,6 +235,7 @@ struct iwl_txq { * @bc_table_dword: true if the BC table expects DWORD (as opposed to bytes) * @rx_page_order: page order for receive buffer size * @wd_timeout: queue watchdog timeout (jiffies) + * @reg_lock: protect hw register access */ struct iwl_trans_pcie { struct iwl_rxq rxq; @@ -283,6 +284,9 @@ struct iwl_trans_pcie { /* queue watchdog */ unsigned long wd_timeout; + + /*protect hw register */ + spinlock_t reg_lock; }; /** diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index 4e6591d24e61..a9ca1d35fa93 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -594,6 +594,7 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, int index, cmd_index, err, len; struct iwl_rx_cmd_buffer rxcb = { ._offset = offset, + ._rx_page_order = trans_pcie->rx_page_order, ._page = rxb->page, ._page_stolen = false, .truesize = max_len, diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index c57641eb83d5..56d4f72500bc 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -75,6 +75,33 @@ #include "iwl-agn-hw.h" #include "internal.h" +static void __iwl_trans_pcie_set_bits_mask(struct iwl_trans *trans, + u32 reg, u32 mask, u32 value) +{ + u32 v; + +#ifdef CONFIG_IWLWIFI_DEBUG + WARN_ON_ONCE(value & ~mask); +#endif + + v = iwl_read32(trans, reg); + v &= ~mask; + v |= value; + iwl_write32(trans, reg, v); +} + +static inline void __iwl_trans_pcie_clear_bit(struct iwl_trans *trans, + u32 reg, u32 mask) +{ + __iwl_trans_pcie_set_bits_mask(trans, reg, mask, 0); +} + +static inline void __iwl_trans_pcie_set_bit(struct iwl_trans *trans, + u32 reg, u32 mask) +{ + __iwl_trans_pcie_set_bits_mask(trans, reg, mask, mask); +} + static void iwl_pcie_set_pwr(struct iwl_trans *trans, bool vaux) { if (vaux && pci_pme_capable(to_pci_dev(trans->dev), PCI_D3cold)) @@ -779,15 +806,16 @@ static int iwl_trans_pcie_resume(struct iwl_trans *trans) } #endif /* CONFIG_PM_SLEEP */ -static bool iwl_trans_pcie_grab_nic_access(struct iwl_trans *trans, bool silent) +static bool iwl_trans_pcie_grab_nic_access(struct iwl_trans *trans, bool silent, + unsigned long *flags) { int ret; - - lockdep_assert_held(&trans->reg_lock); + struct iwl_trans_pcie *pcie_trans = IWL_TRANS_GET_PCIE_TRANS(trans); + spin_lock_irqsave(&pcie_trans->reg_lock, *flags); /* this bit wakes up the NIC */ - __iwl_set_bit(trans, CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + __iwl_trans_pcie_set_bit(trans, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); /* * These bits say the device is running, and should keep running for @@ -819,18 +847,34 @@ static bool iwl_trans_pcie_grab_nic_access(struct iwl_trans *trans, bool silent) WARN_ONCE(1, "Timeout waiting for hardware access (CSR_GP_CNTRL 0x%08x)\n", val); + spin_unlock_irqrestore(&pcie_trans->reg_lock, *flags); return false; } } + /* + * Fool sparse by faking we release the lock - sparse will + * track nic_access anyway. + */ + __release(&pcie_trans->reg_lock); return true; } -static void iwl_trans_pcie_release_nic_access(struct iwl_trans *trans) +static void iwl_trans_pcie_release_nic_access(struct iwl_trans *trans, + unsigned long *flags) { - lockdep_assert_held(&trans->reg_lock); - __iwl_clear_bit(trans, CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + struct iwl_trans_pcie *pcie_trans = IWL_TRANS_GET_PCIE_TRANS(trans); + + lockdep_assert_held(&pcie_trans->reg_lock); + + /* + * Fool sparse by faking we acquiring the lock - sparse will + * track nic_access anyway. + */ + __acquire(&pcie_trans->reg_lock); + + __iwl_trans_pcie_clear_bit(trans, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); /* * Above we read the CSR_GP_CNTRL register, which will flush * any previous writes, but we need the write that clears the @@ -838,6 +882,7 @@ static void iwl_trans_pcie_release_nic_access(struct iwl_trans *trans) * scheduled on different CPUs (after we drop reg_lock). */ mmiowb(); + spin_unlock_irqrestore(&pcie_trans->reg_lock, *flags); } static int iwl_trans_pcie_read_mem(struct iwl_trans *trans, u32 addr, @@ -847,16 +892,14 @@ static int iwl_trans_pcie_read_mem(struct iwl_trans *trans, u32 addr, int offs, ret = 0; u32 *vals = buf; - spin_lock_irqsave(&trans->reg_lock, flags); - if (iwl_trans_grab_nic_access(trans, false)) { + if (iwl_trans_grab_nic_access(trans, false, &flags)) { iwl_write32(trans, HBUS_TARG_MEM_RADDR, addr); for (offs = 0; offs < dwords; offs++) vals[offs] = iwl_read32(trans, HBUS_TARG_MEM_RDAT); - iwl_trans_release_nic_access(trans); + iwl_trans_release_nic_access(trans, &flags); } else { ret = -EBUSY; } - spin_unlock_irqrestore(&trans->reg_lock, flags); return ret; } @@ -867,17 +910,15 @@ static int iwl_trans_pcie_write_mem(struct iwl_trans *trans, u32 addr, int offs, ret = 0; u32 *vals = buf; - spin_lock_irqsave(&trans->reg_lock, flags); - if (iwl_trans_grab_nic_access(trans, false)) { + if (iwl_trans_grab_nic_access(trans, false, &flags)) { iwl_write32(trans, HBUS_TARG_MEM_WADDR, addr); for (offs = 0; offs < dwords; offs++) iwl_write32(trans, HBUS_TARG_MEM_WDAT, vals ? vals[offs] : 0); - iwl_trans_release_nic_access(trans); + iwl_trans_release_nic_access(trans, &flags); } else { ret = -EBUSY; } - spin_unlock_irqrestore(&trans->reg_lock, flags); return ret; } @@ -952,6 +993,17 @@ static int iwl_trans_pcie_wait_txq_empty(struct iwl_trans *trans) return ret; } +static void iwl_trans_pcie_set_bits_mask(struct iwl_trans *trans, u32 reg, + u32 mask, u32 value) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + unsigned long flags; + + spin_lock_irqsave(&trans_pcie->reg_lock, flags); + __iwl_trans_pcie_set_bits_mask(trans, reg, mask, value); + spin_unlock_irqrestore(&trans_pcie->reg_lock, flags); +} + static const char *get_fh_string(int cmd) { #define IWL_CMD(x) case x: return #x @@ -1405,7 +1457,8 @@ static const struct iwl_trans_ops trans_ops_pcie = { .configure = iwl_trans_pcie_configure, .set_pmi = iwl_trans_pcie_set_pmi, .grab_nic_access = iwl_trans_pcie_grab_nic_access, - .release_nic_access = iwl_trans_pcie_release_nic_access + .release_nic_access = iwl_trans_pcie_release_nic_access, + .set_bits_mask = iwl_trans_pcie_set_bits_mask, }; struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, @@ -1429,6 +1482,7 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, trans->cfg = cfg; trans_pcie->trans = trans; spin_lock_init(&trans_pcie->irq_lock); + spin_lock_init(&trans_pcie->reg_lock); init_waitqueue_head(&trans_pcie->ucode_write_waitq); /* W/A - seems to solve weird behavior. We need to remove this if we @@ -1495,7 +1549,6 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, /* Initialize the wait queue for commands */ init_waitqueue_head(&trans_pcie->wait_command_queue); - spin_lock_init(&trans->reg_lock); snprintf(trans->dev_cmd_pool_name, sizeof(trans->dev_cmd_pool_name), "iwl_cmd_pool:%s", dev_name(trans->dev)); diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c index a93f06762b96..041127ad372a 100644 --- a/drivers/net/wireless/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/iwlwifi/pcie/tx.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. diff --git a/drivers/net/wireless/mwifiex/11n.c b/drivers/net/wireless/mwifiex/11n.c index 7b0ae2407083..25596ab0c576 100644 --- a/drivers/net/wireless/mwifiex/11n.c +++ b/drivers/net/wireless/mwifiex/11n.c @@ -400,45 +400,6 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv, } /* - * This function reconfigures the Tx buffer size in firmware. - * - * This function prepares a firmware command and issues it, if - * the current Tx buffer size is different from the one requested. - * Maximum configurable Tx buffer size is limited by the HT capability - * field value. - */ -void -mwifiex_cfg_tx_buf(struct mwifiex_private *priv, - struct mwifiex_bssdescriptor *bss_desc) -{ - u16 max_amsdu = MWIFIEX_TX_DATA_BUF_SIZE_2K; - u16 tx_buf, curr_tx_buf_size = 0; - - if (bss_desc->bcn_ht_cap) { - if (le16_to_cpu(bss_desc->bcn_ht_cap->cap_info) & - IEEE80211_HT_CAP_MAX_AMSDU) - max_amsdu = MWIFIEX_TX_DATA_BUF_SIZE_8K; - else - max_amsdu = MWIFIEX_TX_DATA_BUF_SIZE_4K; - } - - tx_buf = min(priv->adapter->max_tx_buf_size, max_amsdu); - - dev_dbg(priv->adapter->dev, "info: max_amsdu=%d, max_tx_buf=%d\n", - max_amsdu, priv->adapter->max_tx_buf_size); - - if (priv->adapter->curr_tx_buf_size <= MWIFIEX_TX_DATA_BUF_SIZE_2K) - curr_tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K; - else if (priv->adapter->curr_tx_buf_size <= MWIFIEX_TX_DATA_BUF_SIZE_4K) - curr_tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_4K; - else if (priv->adapter->curr_tx_buf_size <= MWIFIEX_TX_DATA_BUF_SIZE_8K) - curr_tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_8K; - if (curr_tx_buf_size != tx_buf) - mwifiex_send_cmd_async(priv, HostCmd_CMD_RECONFIGURE_TX_BUFF, - HostCmd_ACT_GEN_SET, 0, &tx_buf); -} - -/* * This function checks if the given pointer is valid entry of * Tx BA Stream table. */ diff --git a/drivers/net/wireless/mwifiex/11n.h b/drivers/net/wireless/mwifiex/11n.h index 46006a54a656..29a4c02479d6 100644 --- a/drivers/net/wireless/mwifiex/11n.h +++ b/drivers/net/wireless/mwifiex/11n.h @@ -34,8 +34,6 @@ int mwifiex_cmd_11n_cfg(struct host_cmd_ds_command *cmd, u16 cmd_action, int mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv, struct mwifiex_bssdescriptor *bss_desc, u8 **buffer); -void mwifiex_cfg_tx_buf(struct mwifiex_private *priv, - struct mwifiex_bssdescriptor *bss_desc); void mwifiex_fill_cap_info(struct mwifiex_private *, u8 radio_type, struct mwifiex_ie_types_htcap *); int mwifiex_set_get_11n_htcap_cfg(struct mwifiex_private *priv, diff --git a/drivers/net/wireless/mwifiex/README b/drivers/net/wireless/mwifiex/README index b55badef4660..3d64613ebb29 100644 --- a/drivers/net/wireless/mwifiex/README +++ b/drivers/net/wireless/mwifiex/README @@ -121,7 +121,6 @@ info wmm_ac_vi = <number of packets sent to device from WMM AcVi queue> wmm_ac_be = <number of packets sent to device from WMM AcBE queue> wmm_ac_bk = <number of packets sent to device from WMM AcBK queue> - max_tx_buf_size = <maximum Tx buffer size> tx_buf_size = <current Tx buffer size> curr_tx_buf_size = <current Tx buffer size> ps_mode = <0/1, CAM mode/PS mode> diff --git a/drivers/net/wireless/mwifiex/debugfs.c b/drivers/net/wireless/mwifiex/debugfs.c index 46e34aa65d1c..753b5682d53f 100644 --- a/drivers/net/wireless/mwifiex/debugfs.c +++ b/drivers/net/wireless/mwifiex/debugfs.c @@ -58,8 +58,6 @@ static struct mwifiex_debug_data items[] = { item_addr(packets_out[WMM_AC_BE]), 1}, {"wmm_ac_bk", item_size(packets_out[WMM_AC_BK]), item_addr(packets_out[WMM_AC_BK]), 1}, - {"max_tx_buf_size", item_size(max_tx_buf_size), - item_addr(max_tx_buf_size), 1}, {"tx_buf_size", item_size(tx_buf_size), item_addr(tx_buf_size), 1}, {"curr_tx_buf_size", item_size(curr_tx_buf_size), diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c index 84848c33b7f0..e38aa9b3663d 100644 --- a/drivers/net/wireless/mwifiex/init.c +++ b/drivers/net/wireless/mwifiex/init.c @@ -314,7 +314,6 @@ static void mwifiex_init_adapter(struct mwifiex_adapter *adapter) adapter->pm_wakeup_fw_try = false; - adapter->max_tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K; adapter->tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K; adapter->curr_tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K; diff --git a/drivers/net/wireless/mwifiex/ioctl.h b/drivers/net/wireless/mwifiex/ioctl.h index 6095b3e53f4e..f3d9d0445529 100644 --- a/drivers/net/wireless/mwifiex/ioctl.h +++ b/drivers/net/wireless/mwifiex/ioctl.h @@ -178,7 +178,6 @@ struct mwifiex_ds_tx_ba_stream_tbl { struct mwifiex_debug_info { u32 int_counter; u32 packets_out[MAX_NUM_TID]; - u32 max_tx_buf_size; u32 tx_buf_size; u32 curr_tx_buf_size; u32 tx_tbl_num; diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c index 893d809ba83c..a537297866c6 100644 --- a/drivers/net/wireless/mwifiex/join.c +++ b/drivers/net/wireless/mwifiex/join.c @@ -157,8 +157,8 @@ static int mwifiex_get_common_rates(struct mwifiex_private *priv, u8 *rate1, memset(rate1, 0, rate1_size); - for (i = 0; rate2[i] && i < rate2_size; i++) { - for (j = 0; tmp[j] && j < rate1_size; j++) { + for (i = 0; i < rate2_size && rate2[i]; i++) { + for (j = 0; j < rate1_size && tmp[j]; j++) { /* Check common rate, excluding the bit for basic rate */ if ((rate2[i] & 0x7F) == (tmp[j] & 0x7F)) { @@ -398,8 +398,6 @@ int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv, pos = (u8 *) assoc; - mwifiex_cfg_tx_buf(priv, bss_desc); - cmd->command = cpu_to_le16(HostCmd_CMD_802_11_ASSOCIATE); /* Save so we know which BSS Desc to use in the response handler */ diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 51044e3ea89b..ac799a046eb7 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -631,7 +631,6 @@ struct mwifiex_adapter { /* spin lock for main process */ spinlock_t main_proc_lock; u32 mwifiex_processing; - u16 max_tx_buf_size; u16 tx_buf_size; u16 curr_tx_buf_size; u32 ioport; diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index 237949c070cc..df88e65595c8 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -846,8 +846,8 @@ static int mwifiex_pcie_send_data_complete(struct mwifiex_adapter *adapter) card->tx_buf_list[wrdoneidx] = NULL; card->txbd_ring[wrdoneidx]->paddr = 0; - card->rxbd_ring[wrdoneidx]->len = 0; - card->rxbd_ring[wrdoneidx]->flags = 0; + card->txbd_ring[wrdoneidx]->len = 0; + card->txbd_ring[wrdoneidx]->flags = 0; card->txbd_rdptr++; if ((card->txbd_rdptr & MWIFIEX_TXBD_MASK) == num_tx_buffs) @@ -1985,6 +1985,7 @@ static int mwifiex_pcie_init(struct mwifiex_adapter *adapter) card->pci_mmap = pci_iomap(pdev, 0, 0); if (!card->pci_mmap) { dev_err(adapter->dev, "iomap(0) error\n"); + ret = -EIO; goto err_iomap0; } ret = pci_request_region(pdev, 2, DRV_NAME); @@ -1995,6 +1996,7 @@ static int mwifiex_pcie_init(struct mwifiex_adapter *adapter) card->pci_mmap1 = pci_iomap(pdev, 2, 0); if (!card->pci_mmap1) { dev_err(adapter->dev, "iomap(2) error\n"); + ret = -EIO; goto err_iomap2; } diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c index 31d7b2bdaa31..d3fb9a14580a 100644 --- a/drivers/net/wireless/mwifiex/sdio.c +++ b/drivers/net/wireless/mwifiex/sdio.c @@ -332,7 +332,7 @@ mwifiex_write_data_sync(struct mwifiex_adapter *adapter, u8 *buffer, u32 pkt_len, u32 port) { struct sdio_mmc_card *card = adapter->card; - int ret = -1; + int ret; u8 blk_mode = (port & MWIFIEX_SDIO_BYTE_MODE_MASK) ? BYTE_MODE : BLOCK_MODE; u32 blk_size = (blk_mode == BLOCK_MODE) ? MWIFIEX_SDIO_BLOCK_SIZE : 1; @@ -350,8 +350,7 @@ mwifiex_write_data_sync(struct mwifiex_adapter *adapter, sdio_claim_host(card->func); - if (!sdio_writesb(card->func, ioport, buffer, blk_cnt * blk_size)) - ret = 0; + ret = sdio_writesb(card->func, ioport, buffer, blk_cnt * blk_size); sdio_release_host(card->func); @@ -365,7 +364,7 @@ static int mwifiex_read_data_sync(struct mwifiex_adapter *adapter, u8 *buffer, u32 len, u32 port, u8 claim) { struct sdio_mmc_card *card = adapter->card; - int ret = -1; + int ret; u8 blk_mode = (port & MWIFIEX_SDIO_BYTE_MODE_MASK) ? BYTE_MODE : BLOCK_MODE; u32 blk_size = (blk_mode == BLOCK_MODE) ? MWIFIEX_SDIO_BLOCK_SIZE : 1; @@ -376,8 +375,7 @@ static int mwifiex_read_data_sync(struct mwifiex_adapter *adapter, u8 *buffer, if (claim) sdio_claim_host(card->func); - if (!sdio_readsb(card->func, buffer, ioport, blk_cnt * blk_size)) - ret = 0; + ret = sdio_readsb(card->func, buffer, ioport, blk_cnt * blk_size); if (claim) sdio_release_host(card->func); diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c index 65c12eb3e5e7..847056415ac9 100644 --- a/drivers/net/wireless/mwifiex/sta_cmdresp.c +++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c @@ -935,9 +935,8 @@ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no, / MWIFIEX_SDIO_BLOCK_SIZE) * MWIFIEX_SDIO_BLOCK_SIZE; adapter->curr_tx_buf_size = adapter->tx_buf_size; - dev_dbg(adapter->dev, - "cmd: max_tx_buf_size=%d, tx_buf_size=%d\n", - adapter->max_tx_buf_size, adapter->tx_buf_size); + dev_dbg(adapter->dev, "cmd: curr_tx_buf_size=%d\n", + adapter->curr_tx_buf_size); if (adapter->if_ops.update_mp_end_port) adapter->if_ops.update_mp_end_port(adapter, diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c index 5d4a10a8a005..f90fe21e5bfd 100644 --- a/drivers/net/wireless/mwifiex/usb.c +++ b/drivers/net/wireless/mwifiex/usb.c @@ -672,7 +672,7 @@ static int mwifiex_write_data_sync(struct mwifiex_adapter *adapter, u8 *pbuf, *len, &actual_length, timeout); if (ret) { dev_err(adapter->dev, "usb_bulk_msg for tx failed: %d\n", ret); - ret = -1; + return ret; } *len = actual_length; @@ -691,7 +691,7 @@ static int mwifiex_read_data_sync(struct mwifiex_adapter *adapter, u8 *pbuf, *len, &actual_length, timeout); if (ret) { dev_err(adapter->dev, "usb_bulk_msg for rx failed: %d\n", ret); - ret = -1; + return ret; } *len = actual_length; diff --git a/drivers/net/wireless/mwifiex/util.c b/drivers/net/wireless/mwifiex/util.c index 0982375ba3b1..21553976b550 100644 --- a/drivers/net/wireless/mwifiex/util.c +++ b/drivers/net/wireless/mwifiex/util.c @@ -91,7 +91,7 @@ int mwifiex_get_debug_info(struct mwifiex_private *priv, memcpy(info->packets_out, priv->wmm.packets_out, sizeof(priv->wmm.packets_out)); - info->max_tx_buf_size = (u32) adapter->max_tx_buf_size; + info->curr_tx_buf_size = (u32) adapter->curr_tx_buf_size; info->tx_buf_size = (u32) adapter->tx_buf_size; info->rx_tbl_num = mwifiex_get_rx_reorder_tbl(priv, info->rx_tbl); diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index 224cf917744a..2031130d860b 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -285,6 +285,9 @@ struct mwl8k_priv { char *fw_pref; char *fw_alt; struct completion firmware_loading_complete; + + /* bitmap of running BSSes */ + u32 running_bsses; }; #define MAX_WEP_KEY_LEN 13 @@ -2156,6 +2159,8 @@ static void mwl8k_fw_unlock(struct ieee80211_hw *hw) } } +static void mwl8k_enable_bsses(struct ieee80211_hw *hw, bool enable, + u32 bitmap); /* * Command processing. @@ -2174,6 +2179,34 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) int rc; unsigned long timeout = 0; u8 buf[32]; + u32 bitmap = 0; + + wiphy_dbg(hw->wiphy, "Posting %s [%d]\n", + mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), cmd->macid); + + /* Before posting firmware commands that could change the hardware + * characteristics, make sure that all BSSes are stopped temporary. + * Enable these stopped BSSes after completion of the commands + */ + + rc = mwl8k_fw_lock(hw); + if (rc) + return rc; + + if (priv->ap_fw && priv->running_bsses) { + switch (le16_to_cpu(cmd->code)) { + case MWL8K_CMD_SET_RF_CHANNEL: + case MWL8K_CMD_RADIO_CONTROL: + case MWL8K_CMD_RF_TX_POWER: + case MWL8K_CMD_TX_POWER: + case MWL8K_CMD_RF_ANTENNA: + case MWL8K_CMD_RTS_THRESHOLD: + case MWL8K_CMD_MIMO_CONFIG: + bitmap = priv->running_bsses; + mwl8k_enable_bsses(hw, false, bitmap); + break; + } + } cmd->result = (__force __le16) 0xffff; dma_size = le16_to_cpu(cmd->length); @@ -2182,13 +2215,6 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) if (pci_dma_mapping_error(priv->pdev, dma_addr)) return -ENOMEM; - rc = mwl8k_fw_lock(hw); - if (rc) { - pci_unmap_single(priv->pdev, dma_addr, dma_size, - PCI_DMA_BIDIRECTIONAL); - return rc; - } - priv->hostcmd_wait = &cmd_wait; iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); iowrite32(MWL8K_H2A_INT_DOORBELL, @@ -2201,7 +2227,6 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) priv->hostcmd_wait = NULL; - mwl8k_fw_unlock(hw); pci_unmap_single(priv->pdev, dma_addr, dma_size, PCI_DMA_BIDIRECTIONAL); @@ -2228,6 +2253,11 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) ms); } + if (bitmap) + mwl8k_enable_bsses(hw, true, bitmap); + + mwl8k_fw_unlock(hw); + return rc; } @@ -2489,7 +2519,7 @@ static int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw) priv->hw_rev = cmd->hw_rev; mwl8k_set_caps(hw, le32_to_cpu(cmd->caps)); priv->ap_macids_supported = 0x000000ff; - priv->sta_macids_supported = 0x00000000; + priv->sta_macids_supported = 0x00000100; priv->num_ampdu_queues = le32_to_cpu(cmd->num_of_ampdu_queues); if (priv->num_ampdu_queues > MWL8K_MAX_AMPDU_QUEUES) { wiphy_warn(hw->wiphy, "fw reported %d ampdu queues" @@ -3508,7 +3538,10 @@ static int mwl8k_cmd_update_mac_addr(struct ieee80211_hw *hw, mac_type = MWL8K_MAC_TYPE_PRIMARY_AP; if (vif != NULL && vif->type == NL80211_IFTYPE_STATION) { if (mwl8k_vif->macid + 1 == ffs(priv->sta_macids_supported)) - mac_type = MWL8K_MAC_TYPE_PRIMARY_CLIENT; + if (priv->ap_fw) + mac_type = MWL8K_MAC_TYPE_SECONDARY_CLIENT; + else + mac_type = MWL8K_MAC_TYPE_PRIMARY_CLIENT; else mac_type = MWL8K_MAC_TYPE_SECONDARY_CLIENT; } else if (vif != NULL && vif->type == NL80211_IFTYPE_AP) { @@ -3680,8 +3713,16 @@ static int mwl8k_cmd_bss_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, int enable) { struct mwl8k_cmd_bss_start *cmd; + struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); + struct mwl8k_priv *priv = hw->priv; int rc; + if (enable && (priv->running_bsses & (1 << mwl8k_vif->macid))) + return 0; + + if (!enable && !(priv->running_bsses & (1 << mwl8k_vif->macid))) + return 0; + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (cmd == NULL) return -ENOMEM; @@ -3693,9 +3734,31 @@ static int mwl8k_cmd_bss_start(struct ieee80211_hw *hw, rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header); kfree(cmd); + if (!rc) { + if (enable) + priv->running_bsses |= (1 << mwl8k_vif->macid); + else + priv->running_bsses &= ~(1 << mwl8k_vif->macid); + } return rc; } +static void mwl8k_enable_bsses(struct ieee80211_hw *hw, bool enable, u32 bitmap) +{ + struct mwl8k_priv *priv = hw->priv; + struct mwl8k_vif *mwl8k_vif, *tmp_vif; + struct ieee80211_vif *vif; + + list_for_each_entry_safe(mwl8k_vif, tmp_vif, &priv->vif_list, list) { + vif = mwl8k_vif->vif; + + if (!(bitmap & (1 << mwl8k_vif->macid))) + continue; + + if (vif->type == NL80211_IFTYPE_AP) + mwl8k_cmd_bss_start(hw, vif, enable); + } +} /* * CMD_BASTREAM. */ @@ -4202,8 +4265,9 @@ static int mwl8k_set_key(struct ieee80211_hw *hw, u8 encr_type; u8 *addr; struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); + struct mwl8k_priv *priv = hw->priv; - if (vif->type == NL80211_IFTYPE_STATION) + if (vif->type == NL80211_IFTYPE_STATION && !priv->ap_fw) return -EOPNOTSUPP; if (sta == NULL) @@ -4609,12 +4673,18 @@ static int mwl8k_add_interface(struct ieee80211_hw *hw, break; case NL80211_IFTYPE_STATION: if (priv->ap_fw && di->fw_image_sta) { - /* we must load the sta fw to meet this request */ - if (!list_empty(&priv->vif_list)) - return -EBUSY; - rc = mwl8k_reload_firmware(hw, di->fw_image_sta); - if (rc) - return rc; + if (!list_empty(&priv->vif_list)) { + wiphy_warn(hw->wiphy, "AP interface is running.\n" + "Adding STA interface for WDS"); + } else { + /* we must load the sta fw to + * meet this request. + */ + rc = mwl8k_reload_firmware(hw, + di->fw_image_sta); + if (rc) + return rc; + } } macids_supported = priv->sta_macids_supported; break; @@ -4638,7 +4708,7 @@ static int mwl8k_add_interface(struct ieee80211_hw *hw, /* Set the mac address. */ mwl8k_cmd_set_mac_addr(hw, vif, vif->addr); - if (priv->ap_fw) + if (vif->type == NL80211_IFTYPE_AP) mwl8k_cmd_set_new_stn_add_self(hw, vif); priv->macids_used |= 1 << mwl8k_vif->macid; @@ -4663,7 +4733,7 @@ static void mwl8k_remove_interface(struct ieee80211_hw *hw, struct mwl8k_priv *priv = hw->priv; struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); - if (priv->ap_fw) + if (vif->type == NL80211_IFTYPE_AP) mwl8k_cmd_set_new_stn_del(hw, vif, vif->addr); mwl8k_cmd_del_mac_addr(hw, vif, vif->addr); @@ -4737,9 +4807,11 @@ static int mwl8k_config(struct ieee80211_hw *hw, u32 changed) if (rc) goto out; - rc = mwl8k_cmd_set_rf_channel(hw, conf); - if (rc) - goto out; + if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { + rc = mwl8k_cmd_set_rf_channel(hw, conf); + if (rc) + goto out; + } if (conf->power_level > 18) conf->power_level = 18; @@ -4752,12 +4824,6 @@ static int mwl8k_config(struct ieee80211_hw *hw, u32 changed) goto out; } - rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_RX, 0x3); - if (rc) - wiphy_warn(hw->wiphy, "failed to set # of RX antennas"); - rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_TX, 0x7); - if (rc) - wiphy_warn(hw->wiphy, "failed to set # of TX antennas"); } else { rc = mwl8k_cmd_rf_tx_power(hw, conf->power_level); @@ -4815,7 +4881,8 @@ mwl8k_bss_info_changed_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, rcu_read_unlock(); } - if ((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc) { + if ((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc && + !priv->ap_fw) { rc = mwl8k_cmd_set_rate(hw, vif, ap_legacy_rates, ap_mcs_rates); if (rc) goto out; @@ -4823,6 +4890,25 @@ mwl8k_bss_info_changed_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, rc = mwl8k_cmd_use_fixed_rate_sta(hw); if (rc) goto out; + } else { + if ((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc && + priv->ap_fw) { + int idx; + int rate; + + /* Use AP firmware specific rate command. + */ + idx = ffs(vif->bss_conf.basic_rates); + if (idx) + idx--; + + if (hw->conf.channel->band == IEEE80211_BAND_2GHZ) + rate = mwl8k_rates_24[idx].hw_value; + else + rate = mwl8k_rates_50[idx].hw_value; + + mwl8k_cmd_use_fixed_rate_ap(hw, rate, rate); + } } if (changed & BSS_CHANGED_ERP_PREAMBLE) { @@ -4832,13 +4918,13 @@ mwl8k_bss_info_changed_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, goto out; } - if (changed & BSS_CHANGED_ERP_SLOT) { + if ((changed & BSS_CHANGED_ERP_SLOT) && !priv->ap_fw) { rc = mwl8k_cmd_set_slot(hw, vif->bss_conf.use_short_slot); if (rc) goto out; } - if (vif->bss_conf.assoc && + if (vif->bss_conf.assoc && !priv->ap_fw && (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT))) { rc = mwl8k_cmd_set_aid(hw, vif, ap_legacy_rates); @@ -4918,11 +5004,9 @@ static void mwl8k_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *info, u32 changed) { - struct mwl8k_priv *priv = hw->priv; - - if (!priv->ap_fw) + if (vif->type == NL80211_IFTYPE_STATION) mwl8k_bss_info_changed_sta(hw, vif, info, changed); - else + if (vif->type == NL80211_IFTYPE_AP) mwl8k_bss_info_changed_ap(hw, vif, info, changed); } @@ -5647,6 +5731,15 @@ static int mwl8k_probe_hw(struct ieee80211_hw *hw) goto err_free_irq; } + /* Configure Antennas */ + rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_RX, 0x3); + if (rc) + wiphy_warn(hw->wiphy, "failed to set # of RX antennas"); + rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_TX, 0x7); + if (rc) + wiphy_warn(hw->wiphy, "failed to set # of TX antennas"); + + /* Disable interrupts */ iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); free_irq(priv->pdev->irq, hw); @@ -5734,6 +5827,7 @@ fail: static const struct ieee80211_iface_limit ap_if_limits[] = { { .max = 8, .types = BIT(NL80211_IFTYPE_AP) }, + { .max = 1, .types = BIT(NL80211_IFTYPE_STATION) }, }; static const struct ieee80211_iface_combination ap_if_comb = { @@ -5826,6 +5920,7 @@ static int mwl8k_firmware_load_success(struct mwl8k_priv *priv) if (priv->ap_macids_supported || priv->device_info->fw_image_ap) { hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP); + hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_STATION); hw->wiphy->iface_combinations = &ap_if_comb; hw->wiphy->n_iface_combinations = 1; } @@ -5948,6 +6043,8 @@ static int mwl8k_probe(struct pci_dev *pdev, priv->hw_restart_in_progress = false; + priv->running_bsses = 0; + return rc; err_stop_firmware: diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index a5c694f23d33..a658b4bc7da2 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -80,7 +80,7 @@ static inline bool rt2800_is_305x_soc(struct rt2x00_dev *rt2x00dev) rt2x00_rf(rt2x00dev, RF3022)) return true; - NOTICE(rt2x00dev, "Unknown RF chipset on rt305x\n"); + WARNING(rt2x00dev, "Unknown RF chipset on rt305x\n"); return false; } diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 0e8d1705e368..48a01aa21f1c 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -1152,6 +1152,7 @@ static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = { { PCI_DEVICE(0x1814, 0x3562) }, { PCI_DEVICE(0x1814, 0x3592) }, { PCI_DEVICE(0x1814, 0x3593) }, + { PCI_DEVICE(0x1814, 0x359f) }, #endif #ifdef CONFIG_RT2800PCI_RT53XX { PCI_DEVICE(0x1814, 0x5360) }, diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 4721cada1591..42b5b659af16 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -540,9 +540,9 @@ rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg) tx_pid = rt2x00_get_field32(word, TXWI_W1_PACKETID); if (wcid != tx_wcid || ack != tx_ack || (!is_agg && pid != tx_pid)) { - WARNING(entry->queue->rt2x00dev, - "TX status report missed for queue %d entry %d\n", - entry->queue->qid, entry->entry_idx); + DEBUG(entry->queue->rt2x00dev, + "TX status report missed for queue %d entry %d\n", + entry->queue->qid, entry->entry_idx); return TXDONE_UNKNOWN; } @@ -968,6 +968,7 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x07d1, 0x3c13) }, { USB_DEVICE(0x07d1, 0x3c15) }, { USB_DEVICE(0x07d1, 0x3c16) }, + { USB_DEVICE(0x07d1, 0x3c17) }, { USB_DEVICE(0x2001, 0x3c1b) }, /* Draytek */ { USB_DEVICE(0x07fa, 0x7712) }, @@ -1115,6 +1116,7 @@ static struct usb_device_id rt2800usb_device_table[] = { /* Zyxel */ { USB_DEVICE(0x0586, 0x3416) }, { USB_DEVICE(0x0586, 0x3418) }, + { USB_DEVICE(0x0586, 0x341a) }, { USB_DEVICE(0x0586, 0x341e) }, { USB_DEVICE(0x0586, 0x343e) }, #ifdef CONFIG_RT2800USB_RT33XX @@ -1166,6 +1168,7 @@ static struct usb_device_id rt2800usb_device_table[] = { #ifdef CONFIG_RT2800USB_RT53XX /* Arcadyan */ { USB_DEVICE(0x043e, 0x7a12) }, + { USB_DEVICE(0x043e, 0x7a32) }, /* Azurewave */ { USB_DEVICE(0x13d3, 0x3329) }, { USB_DEVICE(0x13d3, 0x3365) }, @@ -1177,16 +1180,20 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x2001, 0x3c1e) }, /* LG innotek */ { USB_DEVICE(0x043e, 0x7a22) }, + { USB_DEVICE(0x043e, 0x7a42) }, /* Panasonic */ { USB_DEVICE(0x04da, 0x1801) }, { USB_DEVICE(0x04da, 0x1800) }, + { USB_DEVICE(0x04da, 0x23f6) }, /* Philips */ { USB_DEVICE(0x0471, 0x2104) }, + { USB_DEVICE(0x0471, 0x2126) }, + { USB_DEVICE(0x0471, 0x2180) }, + { USB_DEVICE(0x0471, 0x2181) }, + { USB_DEVICE(0x0471, 0x2182) }, /* Ralink */ { USB_DEVICE(0x148f, 0x5370) }, { USB_DEVICE(0x148f, 0x5372) }, - /* Unknown */ - { USB_DEVICE(0x04da, 0x23f6) }, #endif #ifdef CONFIG_RT2800USB_UNKNOWN /* @@ -1223,7 +1230,6 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x18c5, 0x0008) }, /* D-Link */ { USB_DEVICE(0x07d1, 0x3c0b) }, - { USB_DEVICE(0x07d1, 0x3c17) }, /* Encore */ { USB_DEVICE(0x203d, 0x14a1) }, /* Gemtek */ @@ -1261,8 +1267,6 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x083a, 0xc522) }, { USB_DEVICE(0x083a, 0xd522) }, { USB_DEVICE(0x083a, 0xf511) }, - /* Zyxel */ - { USB_DEVICE(0x0586, 0x341a) }, #endif { 0, } }; diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index b52512b8ac5f..9a3f31a543ce 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -88,11 +88,9 @@ #define ERROR_PROBE(__msg, __args...) \ DEBUG_PRINTK_PROBE(KERN_ERR, "Error", __msg, ##__args) #define WARNING(__dev, __msg, __args...) \ - DEBUG_PRINTK(__dev, KERN_WARNING, "Warning", __msg, ##__args) -#define NOTICE(__dev, __msg, __args...) \ - DEBUG_PRINTK(__dev, KERN_NOTICE, "Notice", __msg, ##__args) + DEBUG_PRINTK_MSG(__dev, KERN_WARNING, "Warning", __msg, ##__args) #define INFO(__dev, __msg, __args...) \ - DEBUG_PRINTK(__dev, KERN_INFO, "Info", __msg, ##__args) + DEBUG_PRINTK_MSG(__dev, KERN_INFO, "Info", __msg, ##__args) #define DEBUG(__dev, __msg, __args...) \ DEBUG_PRINTK(__dev, KERN_DEBUG, "Debug", __msg, ##__args) #define EEPROM(__dev, __msg, __args...) \ diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index b40a53857498..1031db66474a 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -1236,7 +1236,8 @@ static inline void rt2x00lib_set_if_combinations(struct rt2x00_dev *rt2x00dev) */ if_limit = &rt2x00dev->if_limits_ap; if_limit->max = rt2x00dev->ops->max_ap_intf; - if_limit->types = BIT(NL80211_IFTYPE_AP); + if_limit->types = BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_MESH_POINT); /* * Build up AP interface combinations structure. @@ -1446,7 +1447,7 @@ EXPORT_SYMBOL_GPL(rt2x00lib_remove_dev); #ifdef CONFIG_PM int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state) { - NOTICE(rt2x00dev, "Going to sleep.\n"); + DEBUG(rt2x00dev, "Going to sleep.\n"); /* * Prevent mac80211 from accessing driver while suspended. @@ -1486,7 +1487,7 @@ EXPORT_SYMBOL_GPL(rt2x00lib_suspend); int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev) { - NOTICE(rt2x00dev, "Waking up.\n"); + DEBUG(rt2x00dev, "Waking up.\n"); /* * Restore/enable extra components. diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index ed7a1bb3f245..20c6eccce5aa 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -731,9 +731,9 @@ int rt2x00mac_conf_tx(struct ieee80211_hw *hw, queue->aifs = params->aifs; queue->txop = params->txop; - INFO(rt2x00dev, - "Configured TX queue %d - CWmin: %d, CWmax: %d, Aifs: %d, TXop: %d.\n", - queue_idx, queue->cw_min, queue->cw_max, queue->aifs, queue->txop); + DEBUG(rt2x00dev, + "Configured TX queue %d - CWmin: %d, CWmax: %d, Aifs: %d, TXop: %d.\n", + queue_idx, queue->cw_min, queue->cw_max, queue->aifs, queue->txop); return 0; } diff --git a/drivers/net/wireless/rtlwifi/rc.c b/drivers/net/wireless/rtlwifi/rc.c index c1e065f136ba..204f46c4510d 100644 --- a/drivers/net/wireless/rtlwifi/rc.c +++ b/drivers/net/wireless/rtlwifi/rc.c @@ -217,19 +217,6 @@ static void rtl_tx_status(void *ppriv, } } -static void rtl_rate_init(void *ppriv, - struct ieee80211_supported_band *sband, - struct ieee80211_sta *sta, void *priv_sta) -{ -} - -static void rtl_rate_update(void *ppriv, - struct ieee80211_supported_band *sband, - struct ieee80211_sta *sta, void *priv_sta, - u32 changed) -{ -} - static void *rtl_rate_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir) { @@ -274,8 +261,6 @@ static struct rate_control_ops rtl_rate_ops = { .free = rtl_rate_free, .alloc_sta = rtl_rate_alloc_sta, .free_sta = rtl_rate_free_sta, - .rate_init = rtl_rate_init, - .rate_update = rtl_rate_update, .tx_status = rtl_tx_status, .get_rate = rtl_get_rate, }; diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c index 1cdf5a271c9f..b793a659a465 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c +++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c @@ -669,7 +669,8 @@ static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw u8 thermalvalue, delta, delta_lck, delta_iqk; long ele_a, ele_d, temp_cck, val_x, value32; long val_y, ele_c = 0; - u8 ofdm_index[2], cck_index = 0, ofdm_index_old[2], cck_index_old = 0; + u8 ofdm_index[2], ofdm_index_old[2], cck_index_old = 0; + s8 cck_index = 0; int i; bool is2t = IS_92C_SERIAL(rtlhal->version); s8 txpwr_level[2] = {0, 0}; diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c index b7e6607e6b6d..d9e659f92767 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c @@ -76,7 +76,7 @@ static int rtl92cu_init_sw_vars(struct ieee80211_hw *hw) GFP_KERNEL, hw, rtl_fw_cb); - return 0; + return err; } static void rtl92cu_deinit_sw_vars(struct ieee80211_hw *hw) diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/dm.c b/drivers/net/wireless/rtlwifi/rtl8192de/dm.c index fd8df233ff22..5251fb8a111e 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192de/dm.c +++ b/drivers/net/wireless/rtlwifi/rtl8192de/dm.c @@ -841,9 +841,9 @@ static void rtl92d_dm_txpower_tracking_callback_thermalmeter( long ele_a = 0, ele_d, temp_cck, val_x, value32; long val_y, ele_c = 0; u8 ofdm_index[2]; - u8 cck_index = 0; + s8 cck_index = 0; u8 ofdm_index_old[2]; - u8 cck_index_old = 0; + s8 cck_index_old = 0; u8 index; int i; bool is2t = IS_92D_SINGLEPHY(rtlhal->version); diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/fw.c b/drivers/net/wireless/rtlwifi/rtl8723ae/fw.c index f55b1767ef57..35cb8f83eed4 100644 --- a/drivers/net/wireless/rtlwifi/rtl8723ae/fw.c +++ b/drivers/net/wireless/rtlwifi/rtl8723ae/fw.c @@ -252,7 +252,7 @@ static void _rtl8723ae_fill_h2c_command(struct ieee80211_hw *hw, u16 box_reg = 0, box_extreg = 0; u8 u1tmp; bool isfw_rd = false; - bool bwrite_sucess = false; + bool bwrite_success = false; u8 wait_h2c_limmit = 100; u8 wait_writeh2c_limmit = 100; u8 boxcontent[4], boxextcontent[2]; @@ -291,7 +291,7 @@ static void _rtl8723ae_fill_h2c_command(struct ieee80211_hw *hw, } } - while (!bwrite_sucess) { + while (!bwrite_success) { wait_writeh2c_limmit--; if (wait_writeh2c_limmit == 0) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, @@ -429,7 +429,7 @@ static void _rtl8723ae_fill_h2c_command(struct ieee80211_hw *hw, break; } - bwrite_sucess = true; + bwrite_success = true; rtlhal->last_hmeboxnum = boxnum + 1; if (rtlhal->last_hmeboxnum == 4) @@ -512,7 +512,6 @@ static bool _rtl8723ae_cmd_send_packet(struct ieee80211_hw *hw, struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); struct rtl8192_tx_ring *ring; struct rtl_tx_desc *pdesc; - u8 own; unsigned long flags; struct sk_buff *pskb = NULL; @@ -525,7 +524,6 @@ static bool _rtl8723ae_cmd_send_packet(struct ieee80211_hw *hw, spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); pdesc = &ring->desc[0]; - own = (u8) rtlpriv->cfg->ops->get_desc((u8 *) pdesc, true, HW_DESC_OWN); rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *) pdesc, 1, 1, skb); diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/hal_btc.c b/drivers/net/wireless/rtlwifi/rtl8723ae/hal_btc.c index 887d521fe690..68c28340f791 100644 --- a/drivers/net/wireless/rtlwifi/rtl8723ae/hal_btc.c +++ b/drivers/net/wireless/rtlwifi/rtl8723ae/hal_btc.c @@ -1433,7 +1433,6 @@ static void _rtl8723ae_dm_bt_coexist_2_ant(struct ieee80211_hw *hw) struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_hal *rtlhal = rtl_hal(rtlpriv); struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw); - u8 bt_retry_cnt; u8 bt_info_original; RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG, "[BTCoex] Get bt info by fw!!\n"); @@ -1445,7 +1444,6 @@ static void _rtl8723ae_dm_bt_coexist_2_ant(struct ieee80211_hw *hw) "[BTCoex] c2h for btInfo not rcvd yet!!\n"); } - bt_retry_cnt = rtlhal->hal_coex_8723.bt_retry_cnt; bt_info_original = rtlhal->hal_coex_8723.c2h_bt_info_original; /* when bt inquiry or page scan, we have to set h2c 0x25 diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c b/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c index 0a8c03863fb2..149804816ac4 100644 --- a/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c @@ -703,11 +703,9 @@ static void _rtl8723ae_hw_configure(struct ieee80211_hw *hw) struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); u8 reg_bw_opmode; - u32 reg_ratr, reg_prsr; + u32 reg_prsr; reg_bw_opmode = BW_OPMODE_20MHZ; - reg_ratr = RATE_ALL_CCK | RATE_ALL_OFDM_AG | - RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS; reg_prsr = RATE_ALL_CCK | RATE_ALL_OFDM_AG; rtl_write_byte(rtlpriv, REG_INIRTS_RATE_SEL, 0x8); @@ -2030,7 +2028,7 @@ bool rtl8723ae_gpio_radio_on_off_checking(struct ieee80211_hw *hw, u8 *valid) struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); struct rtl_phy *rtlphy = &(rtlpriv->phy); - enum rf_pwrstate e_rfpowerstate_toset, cur_rfstate; + enum rf_pwrstate e_rfpowerstate_toset; u8 u1tmp; bool actuallyset = false; @@ -2049,8 +2047,6 @@ bool rtl8723ae_gpio_radio_on_off_checking(struct ieee80211_hw *hw, u8 *valid) spin_unlock(&rtlpriv->locks.rf_ps_lock); } - cur_rfstate = ppsc->rfpwr_state; - rtl_write_byte(rtlpriv, REG_GPIO_IO_SEL_2, rtl_read_byte(rtlpriv, REG_GPIO_IO_SEL_2)&~(BIT(1))); diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/phy.c b/drivers/net/wireless/rtlwifi/rtl8723ae/phy.c index 3d8536bb0d2b..eafbb18dd48e 100644 --- a/drivers/net/wireless/rtlwifi/rtl8723ae/phy.c +++ b/drivers/net/wireless/rtlwifi/rtl8723ae/phy.c @@ -614,17 +614,11 @@ bool rtl8723ae_phy_config_rf_with_headerfile(struct ieee80211_hw *hw, { struct rtl_priv *rtlpriv = rtl_priv(hw); int i; - bool rtstatus = true; u32 *radioa_array_table; - u32 *radiob_array_table; - u16 radioa_arraylen, radiob_arraylen; + u16 radioa_arraylen; radioa_arraylen = Rtl8723ERADIOA_1TARRAYLENGTH; radioa_array_table = RTL8723E_RADIOA_1TARRAY; - radiob_arraylen = RTL8723E_RADIOB_1TARRAYLENGTH; - radiob_array_table = RTL8723E_RADIOB_1TARRAY; - - rtstatus = true; switch (rfpath) { case RF90_PATH_A: @@ -1531,11 +1525,8 @@ static void _rtl8723ae_phy_iq_calibrate(struct ieee80211_hw *hw, 0x522, 0x550, 0x551, 0x040 }; const u32 retrycount = 2; - u32 bbvalue; if (t == 0) { - bbvalue = rtl_get_bbreg(hw, 0x800, MASKDWORD); - phy_save_adda_regs(hw, adda_reg, rtlphy->adda_backup, 16); phy_save_mac_regs(hw, iqk_mac_reg, rtlphy->iqk_mac_backup); } @@ -1712,8 +1703,7 @@ void rtl8723ae_phy_iq_calibrate(struct ieee80211_hw *hw, bool recovery) long result[4][8]; u8 i, final_candidate; bool patha_ok, pathb_ok; - long reg_e94, reg_e9c, reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, - reg_ecc, reg_tmp = 0; + long reg_e94, reg_e9c, reg_ea4, reg_eb4, reg_ebc, reg_tmp = 0; bool is12simular, is13simular, is23simular; bool start_conttx = false, singletone = false; u32 iqk_bb_reg[10] = { @@ -1780,21 +1770,15 @@ void rtl8723ae_phy_iq_calibrate(struct ieee80211_hw *hw, bool recovery) reg_e94 = result[i][0]; reg_e9c = result[i][1]; reg_ea4 = result[i][2]; - reg_eac = result[i][3]; reg_eb4 = result[i][4]; reg_ebc = result[i][5]; - reg_ec4 = result[i][6]; - reg_ecc = result[i][7]; } if (final_candidate != 0xff) { rtlphy->reg_e94 = reg_e94 = result[final_candidate][0]; rtlphy->reg_e9c = reg_e9c = result[final_candidate][1]; reg_ea4 = result[final_candidate][2]; - reg_eac = result[final_candidate][3]; rtlphy->reg_eb4 = reg_eb4 = result[final_candidate][4]; rtlphy->reg_ebc = reg_ebc = result[final_candidate][5]; - reg_ec4 = result[final_candidate][6]; - reg_ecc = result[final_candidate][7]; patha_ok = pathb_ok = true; } else { rtlphy->reg_e94 = rtlphy->reg_eb4 = 0x100; diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c b/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c index ce8ad12bce5b..b1fd2b328abf 100644 --- a/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c @@ -244,7 +244,6 @@ static void _rtl8723ae_translate_rx_signal_stuff(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr; u8 *tmp_buf; u8 *praddr; - u8 *psaddr; __le16 fc; u16 type; bool packet_matchbssid, packet_toself, packet_beacon = false; @@ -255,7 +254,6 @@ static void _rtl8723ae_translate_rx_signal_stuff(struct ieee80211_hw *hw, fc = hdr->frame_control; type = WLAN_FC_GET_TYPE(fc); praddr = hdr->addr1; - psaddr = ieee80211_get_SA(hdr); packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) && (!compare_ether_addr(mac->bssid, diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 1535efda3d52..d42bbe21ba6e 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -825,8 +825,6 @@ static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb, u32 ep_num; struct urb *_urb = NULL; struct sk_buff *_skb = NULL; - struct sk_buff_head *skb_list; - struct usb_anchor *urb_list; WARN_ON(NULL == rtlusb->usb_tx_aggregate_hdl); if (unlikely(IS_USB_STOP(rtlusb))) { @@ -836,7 +834,6 @@ static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb, return; } ep_num = rtlusb->ep_map.ep_mapping[qnum]; - skb_list = &rtlusb->tx_skb_queue[ep_num]; _skb = skb; _urb = _rtl_usb_tx_urb_setup(hw, _skb, ep_num); if (unlikely(!_urb)) { @@ -844,7 +841,6 @@ static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb, "Can't allocate urb. Drop skb!\n"); return; } - urb_list = &rtlusb->tx_pending[ep_num]; _rtl_submit_tx_urb(hw, _urb); } diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h index 21a5f4f4a135..f13258a8d995 100644 --- a/drivers/net/wireless/rtlwifi/wifi.h +++ b/drivers/net/wireless/rtlwifi/wifi.h @@ -1702,7 +1702,7 @@ struct rtl_works { struct rtl_debug { u32 dbgp_type[DBGP_TYPE_MAX]; - u32 global_debuglevel; + int global_debuglevel; u64 global_debugcomponents; /* add for proc debug */ diff --git a/drivers/net/wireless/ti/wl1251/Kconfig b/drivers/net/wireless/ti/wl1251/Kconfig index 1fb65849414f..8fec4ed36ac2 100644 --- a/drivers/net/wireless/ti/wl1251/Kconfig +++ b/drivers/net/wireless/ti/wl1251/Kconfig @@ -1,6 +1,6 @@ menuconfig WL1251 tristate "TI wl1251 driver support" - depends on MAC80211 && EXPERIMENTAL && GENERIC_HARDIRQS + depends on MAC80211 && GENERIC_HARDIRQS select FW_LOADER select CRC7 ---help--- diff --git a/drivers/net/wireless/ti/wl12xx/Makefile b/drivers/net/wireless/ti/wl12xx/Makefile index da509aa7d009..e6a24056b3c8 100644 --- a/drivers/net/wireless/ti/wl12xx/Makefile +++ b/drivers/net/wireless/ti/wl12xx/Makefile @@ -1,3 +1,3 @@ -wl12xx-objs = main.o cmd.o acx.o debugfs.o +wl12xx-objs = main.o cmd.o acx.o debugfs.o scan.o event.o obj-$(CONFIG_WL12XX) += wl12xx.o diff --git a/drivers/net/wireless/ti/wl12xx/cmd.c b/drivers/net/wireless/ti/wl12xx/cmd.c index 622206241e83..7dc9f965037d 100644 --- a/drivers/net/wireless/ti/wl12xx/cmd.c +++ b/drivers/net/wireless/ti/wl12xx/cmd.c @@ -284,3 +284,40 @@ int wl128x_cmd_radio_parms(struct wl1271 *wl) kfree(radio_parms); return ret; } + +int wl12xx_cmd_channel_switch(struct wl1271 *wl, + struct wl12xx_vif *wlvif, + struct ieee80211_channel_switch *ch_switch) +{ + struct wl12xx_cmd_channel_switch *cmd; + int ret; + + wl1271_debug(DEBUG_ACX, "cmd channel switch"); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + cmd->role_id = wlvif->role_id; + cmd->channel = ch_switch->channel->hw_value; + cmd->switch_time = ch_switch->count; + cmd->stop_tx = ch_switch->block_tx; + + /* FIXME: control from mac80211 in the future */ + /* Enable TX on the target channel */ + cmd->post_switch_tx_disable = 0; + + ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0); + if (ret < 0) { + wl1271_error("failed to send channel switch command"); + goto out_free; + } + +out_free: + kfree(cmd); + +out: + return ret; +} diff --git a/drivers/net/wireless/ti/wl12xx/cmd.h b/drivers/net/wireless/ti/wl12xx/cmd.h index 140a0e8829d5..32cbad54e993 100644 --- a/drivers/net/wireless/ti/wl12xx/cmd.h +++ b/drivers/net/wireless/ti/wl12xx/cmd.h @@ -103,10 +103,30 @@ struct wl1271_ext_radio_parms_cmd { u8 padding[3]; } __packed; +struct wl12xx_cmd_channel_switch { + struct wl1271_cmd_header header; + + u8 role_id; + + /* The new serving channel */ + u8 channel; + /* Relative time of the serving channel switch in TBTT units */ + u8 switch_time; + /* Stop the role TX, should expect it after radar detection */ + u8 stop_tx; + /* The target channel tx status 1-stopped 0-open*/ + u8 post_switch_tx_disable; + + u8 padding[3]; +} __packed; + int wl1271_cmd_general_parms(struct wl1271 *wl); int wl128x_cmd_general_parms(struct wl1271 *wl); int wl1271_cmd_radio_parms(struct wl1271 *wl); int wl128x_cmd_radio_parms(struct wl1271 *wl); int wl1271_cmd_ext_radio_parms(struct wl1271 *wl); +int wl12xx_cmd_channel_switch(struct wl1271 *wl, + struct wl12xx_vif *wlvif, + struct ieee80211_channel_switch *ch_switch); #endif /* __WL12XX_CMD_H__ */ diff --git a/drivers/net/wireless/ti/wl12xx/event.c b/drivers/net/wireless/ti/wl12xx/event.c new file mode 100644 index 000000000000..6ac0ed751da8 --- /dev/null +++ b/drivers/net/wireless/ti/wl12xx/event.c @@ -0,0 +1,116 @@ +/* + * This file is part of wl12xx + * + * Copyright (C) 2012 Texas Instruments. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include "event.h" +#include "scan.h" +#include "../wlcore/cmd.h" +#include "../wlcore/debug.h" + +int wl12xx_wait_for_event(struct wl1271 *wl, enum wlcore_wait_event event, + bool *timeout) +{ + u32 local_event; + + switch (event) { + case WLCORE_EVENT_ROLE_STOP_COMPLETE: + local_event = ROLE_STOP_COMPLETE_EVENT_ID; + break; + + case WLCORE_EVENT_PEER_REMOVE_COMPLETE: + local_event = PEER_REMOVE_COMPLETE_EVENT_ID; + break; + + default: + /* event not implemented */ + return 0; + } + return wlcore_cmd_wait_for_event_or_timeout(wl, local_event, timeout); +} + +int wl12xx_process_mailbox_events(struct wl1271 *wl) +{ + struct wl12xx_event_mailbox *mbox = wl->mbox; + u32 vector; + + + vector = le32_to_cpu(mbox->events_vector); + vector &= ~(le32_to_cpu(mbox->events_mask)); + + wl1271_debug(DEBUG_EVENT, "MBOX vector: 0x%x", vector); + + if (vector & SCAN_COMPLETE_EVENT_ID) { + wl1271_debug(DEBUG_EVENT, "status: 0x%x", + mbox->scheduled_scan_status); + + if (wl->scan_wlvif) + wl12xx_scan_completed(wl, wl->scan_wlvif); + } + + if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) { + wl1271_debug(DEBUG_EVENT, + "PERIODIC_SCAN_REPORT_EVENT (status 0x%0x)", + mbox->scheduled_scan_status); + + wlcore_scan_sched_scan_results(wl); + } + + if (vector & PERIODIC_SCAN_COMPLETE_EVENT_ID) + wlcore_event_sched_scan_completed(wl, + mbox->scheduled_scan_status); + if (vector & SOFT_GEMINI_SENSE_EVENT_ID) + wlcore_event_soft_gemini_sense(wl, + mbox->soft_gemini_sense_info); + + if (vector & BSS_LOSE_EVENT_ID) + wlcore_event_beacon_loss(wl, 0xff); + + if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) + wlcore_event_rssi_trigger(wl, mbox->rssi_snr_trigger_metric); + + if (vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID) + wlcore_event_ba_rx_constraint(wl, + BIT(mbox->role_id), + mbox->rx_ba_allowed); + + if (vector & CHANNEL_SWITCH_COMPLETE_EVENT_ID) + wlcore_event_channel_switch(wl, 0xff, + mbox->channel_switch_status); + + if (vector & DUMMY_PACKET_EVENT_ID) + wlcore_event_dummy_packet(wl); + + /* + * "TX retries exceeded" has a different meaning according to mode. + * In AP mode the offending station is disconnected. + */ + if (vector & MAX_TX_RETRY_EVENT_ID) + wlcore_event_max_tx_failure(wl, + le16_to_cpu(mbox->sta_tx_retry_exceeded)); + + if (vector & INACTIVE_STA_EVENT_ID) + wlcore_event_inactive_sta(wl, + le16_to_cpu(mbox->sta_aging_status)); + + if (vector & REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID) + wlcore_event_roc_complete(wl); + + return 0; +} diff --git a/drivers/net/wireless/ti/wl12xx/event.h b/drivers/net/wireless/ti/wl12xx/event.h new file mode 100644 index 000000000000..a5cc3fcd9eea --- /dev/null +++ b/drivers/net/wireless/ti/wl12xx/event.h @@ -0,0 +1,111 @@ +/* + * This file is part of wl12xx + * + * Copyright (C) 2012 Texas Instruments. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL12XX_EVENT_H__ +#define __WL12XX_EVENT_H__ + +#include "../wlcore/wlcore.h" + +enum { + MEASUREMENT_START_EVENT_ID = BIT(8), + MEASUREMENT_COMPLETE_EVENT_ID = BIT(9), + SCAN_COMPLETE_EVENT_ID = BIT(10), + WFD_DISCOVERY_COMPLETE_EVENT_ID = BIT(11), + AP_DISCOVERY_COMPLETE_EVENT_ID = BIT(12), + RESERVED1 = BIT(13), + PSPOLL_DELIVERY_FAILURE_EVENT_ID = BIT(14), + ROLE_STOP_COMPLETE_EVENT_ID = BIT(15), + RADAR_DETECTED_EVENT_ID = BIT(16), + CHANNEL_SWITCH_COMPLETE_EVENT_ID = BIT(17), + BSS_LOSE_EVENT_ID = BIT(18), + REGAINED_BSS_EVENT_ID = BIT(19), + MAX_TX_RETRY_EVENT_ID = BIT(20), + DUMMY_PACKET_EVENT_ID = BIT(21), + SOFT_GEMINI_SENSE_EVENT_ID = BIT(22), + CHANGE_AUTO_MODE_TIMEOUT_EVENT_ID = BIT(23), + SOFT_GEMINI_AVALANCHE_EVENT_ID = BIT(24), + PLT_RX_CALIBRATION_COMPLETE_EVENT_ID = BIT(25), + INACTIVE_STA_EVENT_ID = BIT(26), + PEER_REMOVE_COMPLETE_EVENT_ID = BIT(27), + PERIODIC_SCAN_COMPLETE_EVENT_ID = BIT(28), + PERIODIC_SCAN_REPORT_EVENT_ID = BIT(29), + BA_SESSION_RX_CONSTRAINT_EVENT_ID = BIT(30), + REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID = BIT(31), +}; + +struct wl12xx_event_mailbox { + __le32 events_vector; + __le32 events_mask; + __le32 reserved_1; + __le32 reserved_2; + + u8 number_of_scan_results; + u8 scan_tag; + u8 completed_scan_status; + u8 reserved_3; + + u8 soft_gemini_sense_info; + u8 soft_gemini_protective_info; + s8 rssi_snr_trigger_metric[NUM_OF_RSSI_SNR_TRIGGERS]; + u8 change_auto_mode_timeout; + u8 scheduled_scan_status; + u8 reserved4; + /* tuned channel (roc) */ + u8 roc_channel; + + __le16 hlid_removed_bitmap; + + /* bitmap of aged stations (by HLID) */ + __le16 sta_aging_status; + + /* bitmap of stations (by HLID) which exceeded max tx retries */ + __le16 sta_tx_retry_exceeded; + + /* discovery completed results */ + u8 discovery_tag; + u8 number_of_preq_results; + u8 number_of_prsp_results; + u8 reserved_5; + + /* rx ba constraint */ + u8 role_id; /* 0xFF means any role. */ + u8 rx_ba_allowed; + u8 reserved_6[2]; + + /* Channel switch results */ + + u8 channel_switch_role_id; + u8 channel_switch_status; + u8 reserved_7[2]; + + u8 ps_poll_delivery_failure_role_ids; + u8 stopped_role_ids; + u8 started_role_ids; + + u8 reserved_8[9]; +} __packed; + +int wl12xx_wait_for_event(struct wl1271 *wl, enum wlcore_wait_event event, + bool *timeout); +int wl12xx_process_mailbox_events(struct wl1271 *wl); + +#endif + diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index e5f5f8f39144..3254bfc81a2a 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -38,6 +38,8 @@ #include "reg.h" #include "cmd.h" #include "acx.h" +#include "scan.h" +#include "event.h" #include "debugfs.h" static char *fref_param; @@ -208,6 +210,8 @@ static struct wlcore_conf wl12xx_conf = { .tmpl_short_retry_limit = 10, .tmpl_long_retry_limit = 10, .tx_watchdog_timeout = 5000, + .slow_link_thold = 3, + .fast_link_thold = 10, }, .conn = { .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, @@ -265,8 +269,10 @@ static struct wlcore_conf wl12xx_conf = { .scan = { .min_dwell_time_active = 7500, .max_dwell_time_active = 30000, - .min_dwell_time_passive = 100000, - .max_dwell_time_passive = 100000, + .min_dwell_time_active_long = 25000, + .max_dwell_time_active_long = 50000, + .dwell_time_passive = 100000, + .dwell_time_dfs = 150000, .num_probe_reqs = 2, .split_scan_timeout = 50000, }, @@ -368,6 +374,10 @@ static struct wlcore_conf wl12xx_conf = { .increase_time = 1, .window_size = 16, }, + .recovery = { + .bug_on_recovery = 0, + .no_recovery = 0, + }, }; static struct wl12xx_priv_conf wl12xx_default_priv_conf = { @@ -601,9 +611,9 @@ static int wl127x_prepare_read(struct wl1271 *wl, u32 rx_desc, u32 len) { int ret; - if (wl->chip.id != CHIP_ID_1283_PG20) { + if (wl->chip.id != CHIP_ID_128X_PG20) { struct wl1271_acx_mem_map *wl_mem_map = wl->target_mem_map; - struct wl127x_rx_mem_pool_addr rx_mem_addr; + struct wl12xx_priv *priv = wl->priv; /* * Choose the block we want to read @@ -612,13 +622,13 @@ static int wl127x_prepare_read(struct wl1271 *wl, u32 rx_desc, u32 len) */ u32 mem_block = rx_desc & RX_MEM_BLOCK_MASK; - rx_mem_addr.addr = (mem_block << 8) + + priv->rx_mem_addr->addr = (mem_block << 8) + le32_to_cpu(wl_mem_map->packet_memory_pool_start); - rx_mem_addr.addr_extra = rx_mem_addr.addr + 4; + priv->rx_mem_addr->addr_extra = priv->rx_mem_addr->addr + 4; - ret = wlcore_write(wl, WL1271_SLV_REG_DATA, &rx_mem_addr, - sizeof(rx_mem_addr), false); + ret = wlcore_write(wl, WL1271_SLV_REG_DATA, priv->rx_mem_addr, + sizeof(*priv->rx_mem_addr), false); if (ret < 0) return ret; } @@ -631,13 +641,15 @@ static int wl12xx_identify_chip(struct wl1271 *wl) int ret = 0; switch (wl->chip.id) { - case CHIP_ID_1271_PG10: + case CHIP_ID_127X_PG10: wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", wl->chip.id); wl->quirks |= WLCORE_QUIRK_LEGACY_NVS | WLCORE_QUIRK_DUAL_PROBE_TMPL | - WLCORE_QUIRK_TKIP_HEADER_SPACE; + WLCORE_QUIRK_TKIP_HEADER_SPACE | + WLCORE_QUIRK_START_STA_FAILS | + WLCORE_QUIRK_AP_ZERO_SESSION_ID; wl->sr_fw_name = WL127X_FW_NAME_SINGLE; wl->mr_fw_name = WL127X_FW_NAME_MULTI; memcpy(&wl->conf.mem, &wl12xx_default_priv_conf.mem_wl127x, @@ -646,18 +658,22 @@ static int wl12xx_identify_chip(struct wl1271 *wl) /* read data preparation is only needed by wl127x */ wl->ops->prepare_read = wl127x_prepare_read; - wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, WL127X_IFTYPE_VER, - WL127X_MAJOR_VER, WL127X_SUBTYPE_VER, - WL127X_MINOR_VER); + wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, + WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER, + WL127X_SUBTYPE_SR_VER, WL127X_MINOR_SR_VER, + WL127X_IFTYPE_MR_VER, WL127X_MAJOR_MR_VER, + WL127X_SUBTYPE_MR_VER, WL127X_MINOR_MR_VER); break; - case CHIP_ID_1271_PG20: + case CHIP_ID_127X_PG20: wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", wl->chip.id); wl->quirks |= WLCORE_QUIRK_LEGACY_NVS | WLCORE_QUIRK_DUAL_PROBE_TMPL | - WLCORE_QUIRK_TKIP_HEADER_SPACE; + WLCORE_QUIRK_TKIP_HEADER_SPACE | + WLCORE_QUIRK_START_STA_FAILS | + WLCORE_QUIRK_AP_ZERO_SESSION_ID; wl->plt_fw_name = WL127X_PLT_FW_NAME; wl->sr_fw_name = WL127X_FW_NAME_SINGLE; wl->mr_fw_name = WL127X_FW_NAME_MULTI; @@ -667,12 +683,14 @@ static int wl12xx_identify_chip(struct wl1271 *wl) /* read data preparation is only needed by wl127x */ wl->ops->prepare_read = wl127x_prepare_read; - wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, WL127X_IFTYPE_VER, - WL127X_MAJOR_VER, WL127X_SUBTYPE_VER, - WL127X_MINOR_VER); + wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, + WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER, + WL127X_SUBTYPE_SR_VER, WL127X_MINOR_SR_VER, + WL127X_IFTYPE_MR_VER, WL127X_MAJOR_MR_VER, + WL127X_SUBTYPE_MR_VER, WL127X_MINOR_MR_VER); break; - case CHIP_ID_1283_PG20: + case CHIP_ID_128X_PG20: wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)", wl->chip.id); wl->plt_fw_name = WL128X_PLT_FW_NAME; @@ -682,19 +700,29 @@ static int wl12xx_identify_chip(struct wl1271 *wl) /* wl128x requires TX blocksize alignment */ wl->quirks |= WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN | WLCORE_QUIRK_DUAL_PROBE_TMPL | - WLCORE_QUIRK_TKIP_HEADER_SPACE; - - wlcore_set_min_fw_ver(wl, WL128X_CHIP_VER, WL128X_IFTYPE_VER, - WL128X_MAJOR_VER, WL128X_SUBTYPE_VER, - WL128X_MINOR_VER); + WLCORE_QUIRK_TKIP_HEADER_SPACE | + WLCORE_QUIRK_START_STA_FAILS | + WLCORE_QUIRK_AP_ZERO_SESSION_ID; + + wlcore_set_min_fw_ver(wl, WL128X_CHIP_VER, + WL128X_IFTYPE_SR_VER, WL128X_MAJOR_SR_VER, + WL128X_SUBTYPE_SR_VER, WL128X_MINOR_SR_VER, + WL128X_IFTYPE_MR_VER, WL128X_MAJOR_MR_VER, + WL128X_SUBTYPE_MR_VER, WL128X_MINOR_MR_VER); break; - case CHIP_ID_1283_PG10: + case CHIP_ID_128X_PG10: default: wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); ret = -ENODEV; goto out; } + /* common settings */ + wl->scan_templ_id_2_4 = CMD_TEMPL_APP_PROBE_REQ_2_4_LEGACY; + wl->scan_templ_id_5 = CMD_TEMPL_APP_PROBE_REQ_5_LEGACY; + wl->sched_scan_templ_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4; + wl->sched_scan_templ_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5; + wl->max_channels_5 = WL12XX_MAX_CHANNELS_5GHZ; out: return ret; } @@ -1067,7 +1095,7 @@ static int wl12xx_pre_boot(struct wl1271 *wl) u32 clk; int selected_clock = -1; - if (wl->chip.id == CHIP_ID_1283_PG20) { + if (wl->chip.id == CHIP_ID_128X_PG20) { ret = wl128x_boot_clk(wl, &selected_clock); if (ret < 0) goto out; @@ -1098,7 +1126,7 @@ static int wl12xx_pre_boot(struct wl1271 *wl) wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk); - if (wl->chip.id == CHIP_ID_1283_PG20) + if (wl->chip.id == CHIP_ID_128X_PG20) clk |= ((selected_clock & 0x3) << 1) << 4; else clk |= (priv->ref_clock << 1) << 4; @@ -1152,7 +1180,7 @@ static int wl12xx_pre_upload(struct wl1271 *wl) /* WL1271: The reference driver skips steps 7 to 10 (jumps directly * to upload_fw) */ - if (wl->chip.id == CHIP_ID_1283_PG20) { + if (wl->chip.id == CHIP_ID_128X_PG20) { ret = wl12xx_top_reg_write(wl, SDIO_IO_DS, HCI_IO_DS_6MA); if (ret < 0) goto out; @@ -1219,6 +1247,23 @@ static int wl12xx_boot(struct wl1271 *wl) if (ret < 0) goto out; + wl->event_mask = BSS_LOSE_EVENT_ID | + REGAINED_BSS_EVENT_ID | + SCAN_COMPLETE_EVENT_ID | + ROLE_STOP_COMPLETE_EVENT_ID | + RSSI_SNR_TRIGGER_0_EVENT_ID | + PSPOLL_DELIVERY_FAILURE_EVENT_ID | + SOFT_GEMINI_SENSE_EVENT_ID | + PERIODIC_SCAN_REPORT_EVENT_ID | + PERIODIC_SCAN_COMPLETE_EVENT_ID | + DUMMY_PACKET_EVENT_ID | + PEER_REMOVE_COMPLETE_EVENT_ID | + BA_SESSION_RX_CONSTRAINT_EVENT_ID | + REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID | + INACTIVE_STA_EVENT_ID | + MAX_TX_RETRY_EVENT_ID | + CHANNEL_SWITCH_COMPLETE_EVENT_ID; + ret = wlcore_boot_run_firmware(wl); if (ret < 0) goto out; @@ -1261,7 +1306,7 @@ static void wl12xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, u32 blks, u32 spare_blks) { - if (wl->chip.id == CHIP_ID_1283_PG20) { + if (wl->chip.id == CHIP_ID_128X_PG20) { desc->wl128x_mem.total_mem_blocks = blks; } else { desc->wl127x_mem.extra_blocks = spare_blks; @@ -1275,7 +1320,7 @@ wl12xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, { u32 aligned_len = wlcore_calc_packet_alignment(wl, skb->len); - if (wl->chip.id == CHIP_ID_1283_PG20) { + if (wl->chip.id == CHIP_ID_128X_PG20) { desc->wl128x_mem.extra_bytes = aligned_len - skb->len; desc->length = cpu_to_le16(aligned_len >> 2); @@ -1339,7 +1384,7 @@ static int wl12xx_hw_init(struct wl1271 *wl) { int ret; - if (wl->chip.id == CHIP_ID_1283_PG20) { + if (wl->chip.id == CHIP_ID_128X_PG20) { u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE; ret = wl128x_cmd_general_parms(wl); @@ -1394,22 +1439,6 @@ static u32 wl12xx_sta_get_ap_rate_mask(struct wl1271 *wl, return wlvif->rate_set; } -static int wl12xx_identify_fw(struct wl1271 *wl) -{ - unsigned int *fw_ver = wl->chip.fw_ver; - - /* Only new station firmwares support routing fw logs to the host */ - if ((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_STA) && - (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_FWLOG_STA_MIN)) - wl->quirks |= WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED; - - /* This feature is not yet supported for AP mode */ - if (fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_AP) - wl->quirks |= WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED; - - return 0; -} - static void wl12xx_conf_init(struct wl1271 *wl) { struct wl12xx_priv *priv = wl->priv; @@ -1426,7 +1455,7 @@ static bool wl12xx_mac_in_fuse(struct wl1271 *wl) bool supported = false; u8 major, minor; - if (wl->chip.id == CHIP_ID_1283_PG20) { + if (wl->chip.id == CHIP_ID_128X_PG20) { major = WL128X_PG_GET_MAJOR(wl->hw_pg_ver); minor = WL128X_PG_GET_MINOR(wl->hw_pg_ver); @@ -1482,7 +1511,7 @@ static int wl12xx_get_pg_ver(struct wl1271 *wl, s8 *ver) u16 die_info; int ret; - if (wl->chip.id == CHIP_ID_1283_PG20) + if (wl->chip.id == CHIP_ID_128X_PG20) ret = wl12xx_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1, &die_info); else @@ -1589,16 +1618,46 @@ static int wl12xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd, return wlcore_set_key(wl, cmd, vif, sta, key_conf); } +static int wl12xx_set_peer_cap(struct wl1271 *wl, + struct ieee80211_sta_ht_cap *ht_cap, + bool allow_ht_operation, + u32 rate_set, u8 hlid) +{ + return wl1271_acx_set_ht_capabilities(wl, ht_cap, allow_ht_operation, + hlid); +} + +static bool wl12xx_lnk_high_prio(struct wl1271 *wl, u8 hlid, + struct wl1271_link *lnk) +{ + u8 thold; + + if (test_bit(hlid, (unsigned long *)&wl->fw_fast_lnk_map)) + thold = wl->conf.tx.fast_link_thold; + else + thold = wl->conf.tx.slow_link_thold; + + return lnk->allocated_pkts < thold; +} + +static bool wl12xx_lnk_low_prio(struct wl1271 *wl, u8 hlid, + struct wl1271_link *lnk) +{ + /* any link is good for low priority */ + return true; +} + static int wl12xx_setup(struct wl1271 *wl); static struct wlcore_ops wl12xx_ops = { .setup = wl12xx_setup, .identify_chip = wl12xx_identify_chip, - .identify_fw = wl12xx_identify_fw, .boot = wl12xx_boot, .plt_init = wl12xx_plt_init, .trigger_cmd = wl12xx_trigger_cmd, .ack_event = wl12xx_ack_event, + .wait_for_event = wl12xx_wait_for_event, + .process_mailbox_events = wl12xx_process_mailbox_events, .calc_tx_blocks = wl12xx_calc_tx_blocks, .set_tx_desc_blocks = wl12xx_set_tx_desc_blocks, .set_tx_desc_data_len = wl12xx_set_tx_desc_data_len, @@ -1615,9 +1674,17 @@ static struct wlcore_ops wl12xx_ops = { .set_rx_csum = NULL, .ap_get_mimo_wide_rate_mask = NULL, .debugfs_init = wl12xx_debugfs_add_files, + .scan_start = wl12xx_scan_start, + .scan_stop = wl12xx_scan_stop, + .sched_scan_start = wl12xx_sched_scan_start, + .sched_scan_stop = wl12xx_scan_sched_scan_stop, .get_spare_blocks = wl12xx_get_spare_blocks, .set_key = wl12xx_set_key, + .channel_switch = wl12xx_cmd_channel_switch, .pre_pkt_send = NULL, + .set_peer_cap = wl12xx_set_peer_cap, + .lnk_high_prio = wl12xx_lnk_high_prio, + .lnk_low_prio = wl12xx_lnk_low_prio, }; static struct ieee80211_sta_ht_cap wl12xx_ht_cap = { @@ -1641,6 +1708,7 @@ static int wl12xx_setup(struct wl1271 *wl) wl->rtable = wl12xx_rtable; wl->num_tx_desc = WL12XX_NUM_TX_DESCRIPTORS; wl->num_rx_desc = WL12XX_NUM_RX_DESCRIPTORS; + wl->num_channels = 1; wl->num_mac_addr = WL12XX_NUM_MAC_ADDRESSES; wl->band_rate_to_idx = wl12xx_band_rate_to_idx; wl->hw_tx_rate_tbl_size = WL12XX_CONF_HW_RXTX_RATE_MAX; @@ -1693,6 +1761,10 @@ static int wl12xx_setup(struct wl1271 *wl) wl1271_error("Invalid tcxo parameter %s", tcxo_param); } + priv->rx_mem_addr = kmalloc(sizeof(*priv->rx_mem_addr), GFP_KERNEL); + if (!priv->rx_mem_addr) + return -ENOMEM; + return 0; } @@ -1703,7 +1775,8 @@ static int wl12xx_probe(struct platform_device *pdev) int ret; hw = wlcore_alloc_hw(sizeof(struct wl12xx_priv), - WL12XX_AGGR_BUFFER_SIZE); + WL12XX_AGGR_BUFFER_SIZE, + sizeof(struct wl12xx_event_mailbox)); if (IS_ERR(hw)) { wl1271_error("can't allocate hw"); ret = PTR_ERR(hw); @@ -1725,6 +1798,21 @@ out: return ret; } +static int wl12xx_remove(struct platform_device *pdev) +{ + struct wl1271 *wl = platform_get_drvdata(pdev); + struct wl12xx_priv *priv; + + if (!wl) + goto out; + priv = wl->priv; + + kfree(priv->rx_mem_addr); + +out: + return wlcore_remove(pdev); +} + static const struct platform_device_id wl12xx_id_table[] = { { "wl12xx", 0 }, { } /* Terminating Entry */ @@ -1733,7 +1821,7 @@ MODULE_DEVICE_TABLE(platform, wl12xx_id_table); static struct platform_driver wl12xx_driver = { .probe = wl12xx_probe, - .remove = wlcore_remove, + .remove = wl12xx_remove, .id_table = wl12xx_id_table, .driver = { .name = "wl12xx_driver", diff --git a/drivers/net/wireless/ti/wl12xx/scan.c b/drivers/net/wireless/ti/wl12xx/scan.c new file mode 100644 index 000000000000..affdb3ec6225 --- /dev/null +++ b/drivers/net/wireless/ti/wl12xx/scan.c @@ -0,0 +1,501 @@ +/* + * This file is part of wl12xx + * + * Copyright (C) 2012 Texas Instruments. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/ieee80211.h> +#include "scan.h" +#include "../wlcore/debug.h" +#include "../wlcore/tx.h" + +static int wl1271_get_scan_channels(struct wl1271 *wl, + struct cfg80211_scan_request *req, + struct basic_scan_channel_params *channels, + enum ieee80211_band band, bool passive) +{ + struct conf_scan_settings *c = &wl->conf.scan; + int i, j; + u32 flags; + + for (i = 0, j = 0; + i < req->n_channels && j < WL1271_SCAN_MAX_CHANNELS; + i++) { + flags = req->channels[i]->flags; + + if (!test_bit(i, wl->scan.scanned_ch) && + !(flags & IEEE80211_CHAN_DISABLED) && + (req->channels[i]->band == band) && + /* + * In passive scans, we scan all remaining + * channels, even if not marked as such. + * In active scans, we only scan channels not + * marked as passive. + */ + (passive || !(flags & IEEE80211_CHAN_PASSIVE_SCAN))) { + wl1271_debug(DEBUG_SCAN, "band %d, center_freq %d ", + req->channels[i]->band, + req->channels[i]->center_freq); + wl1271_debug(DEBUG_SCAN, "hw_value %d, flags %X", + req->channels[i]->hw_value, + req->channels[i]->flags); + wl1271_debug(DEBUG_SCAN, + "max_antenna_gain %d, max_power %d", + req->channels[i]->max_antenna_gain, + req->channels[i]->max_power); + wl1271_debug(DEBUG_SCAN, "beacon_found %d", + req->channels[i]->beacon_found); + + if (!passive) { + channels[j].min_duration = + cpu_to_le32(c->min_dwell_time_active); + channels[j].max_duration = + cpu_to_le32(c->max_dwell_time_active); + } else { + channels[j].min_duration = + cpu_to_le32(c->dwell_time_passive); + channels[j].max_duration = + cpu_to_le32(c->dwell_time_passive); + } + channels[j].early_termination = 0; + channels[j].tx_power_att = req->channels[i]->max_power; + channels[j].channel = req->channels[i]->hw_value; + + memset(&channels[j].bssid_lsb, 0xff, 4); + memset(&channels[j].bssid_msb, 0xff, 2); + + /* Mark the channels we already used */ + set_bit(i, wl->scan.scanned_ch); + + j++; + } + } + + return j; +} + +#define WL1271_NOTHING_TO_SCAN 1 + +static int wl1271_scan_send(struct wl1271 *wl, struct wl12xx_vif *wlvif, + enum ieee80211_band band, + bool passive, u32 basic_rate) +{ + struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); + struct wl1271_cmd_scan *cmd; + struct wl1271_cmd_trigger_scan_to *trigger; + int ret; + u16 scan_options = 0; + + /* skip active scans if we don't have SSIDs */ + if (!passive && wl->scan.req->n_ssids == 0) + return WL1271_NOTHING_TO_SCAN; + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + trigger = kzalloc(sizeof(*trigger), GFP_KERNEL); + if (!cmd || !trigger) { + ret = -ENOMEM; + goto out; + } + + if (wl->conf.scan.split_scan_timeout) + scan_options |= WL1271_SCAN_OPT_SPLIT_SCAN; + + if (passive) + scan_options |= WL1271_SCAN_OPT_PASSIVE; + + cmd->params.role_id = wlvif->role_id; + + if (WARN_ON(cmd->params.role_id == WL12XX_INVALID_ROLE_ID)) { + ret = -EINVAL; + goto out; + } + + cmd->params.scan_options = cpu_to_le16(scan_options); + + cmd->params.n_ch = wl1271_get_scan_channels(wl, wl->scan.req, + cmd->channels, + band, passive); + if (cmd->params.n_ch == 0) { + ret = WL1271_NOTHING_TO_SCAN; + goto out; + } + + cmd->params.tx_rate = cpu_to_le32(basic_rate); + cmd->params.n_probe_reqs = wl->conf.scan.num_probe_reqs; + cmd->params.tid_trigger = CONF_TX_AC_ANY_TID; + cmd->params.scan_tag = WL1271_SCAN_DEFAULT_TAG; + + if (band == IEEE80211_BAND_2GHZ) + cmd->params.band = WL1271_SCAN_BAND_2_4_GHZ; + else + cmd->params.band = WL1271_SCAN_BAND_5_GHZ; + + if (wl->scan.ssid_len && wl->scan.ssid) { + cmd->params.ssid_len = wl->scan.ssid_len; + memcpy(cmd->params.ssid, wl->scan.ssid, wl->scan.ssid_len); + } + + memcpy(cmd->addr, vif->addr, ETH_ALEN); + + ret = wl12xx_cmd_build_probe_req(wl, wlvif, + cmd->params.role_id, band, + wl->scan.ssid, wl->scan.ssid_len, + wl->scan.req->ie, + wl->scan.req->ie_len, false); + if (ret < 0) { + wl1271_error("PROBE request template failed"); + goto out; + } + + trigger->timeout = cpu_to_le32(wl->conf.scan.split_scan_timeout); + ret = wl1271_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger, + sizeof(*trigger), 0); + if (ret < 0) { + wl1271_error("trigger scan to failed for hw scan"); + goto out; + } + + wl1271_dump(DEBUG_SCAN, "SCAN: ", cmd, sizeof(*cmd)); + + ret = wl1271_cmd_send(wl, CMD_SCAN, cmd, sizeof(*cmd), 0); + if (ret < 0) { + wl1271_error("SCAN failed"); + goto out; + } + +out: + kfree(cmd); + kfree(trigger); + return ret; +} + +int wl12xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif) +{ + struct wl1271_cmd_header *cmd = NULL; + int ret = 0; + + if (WARN_ON(wl->scan.state == WL1271_SCAN_STATE_IDLE)) + return -EINVAL; + + wl1271_debug(DEBUG_CMD, "cmd scan stop"); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + ret = wl1271_cmd_send(wl, CMD_STOP_SCAN, cmd, + sizeof(*cmd), 0); + if (ret < 0) { + wl1271_error("cmd stop_scan failed"); + goto out; + } +out: + kfree(cmd); + return ret; +} + +void wl1271_scan_stm(struct wl1271 *wl, struct wl12xx_vif *wlvif) +{ + int ret = 0; + enum ieee80211_band band; + u32 rate, mask; + + switch (wl->scan.state) { + case WL1271_SCAN_STATE_IDLE: + break; + + case WL1271_SCAN_STATE_2GHZ_ACTIVE: + band = IEEE80211_BAND_2GHZ; + mask = wlvif->bitrate_masks[band]; + if (wl->scan.req->no_cck) { + mask &= ~CONF_TX_CCK_RATES; + if (!mask) + mask = CONF_TX_RATE_MASK_BASIC_P2P; + } + rate = wl1271_tx_min_rate_get(wl, mask); + ret = wl1271_scan_send(wl, wlvif, band, false, rate); + if (ret == WL1271_NOTHING_TO_SCAN) { + wl->scan.state = WL1271_SCAN_STATE_2GHZ_PASSIVE; + wl1271_scan_stm(wl, wlvif); + } + + break; + + case WL1271_SCAN_STATE_2GHZ_PASSIVE: + band = IEEE80211_BAND_2GHZ; + mask = wlvif->bitrate_masks[band]; + if (wl->scan.req->no_cck) { + mask &= ~CONF_TX_CCK_RATES; + if (!mask) + mask = CONF_TX_RATE_MASK_BASIC_P2P; + } + rate = wl1271_tx_min_rate_get(wl, mask); + ret = wl1271_scan_send(wl, wlvif, band, true, rate); + if (ret == WL1271_NOTHING_TO_SCAN) { + if (wl->enable_11a) + wl->scan.state = WL1271_SCAN_STATE_5GHZ_ACTIVE; + else + wl->scan.state = WL1271_SCAN_STATE_DONE; + wl1271_scan_stm(wl, wlvif); + } + + break; + + case WL1271_SCAN_STATE_5GHZ_ACTIVE: + band = IEEE80211_BAND_5GHZ; + rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); + ret = wl1271_scan_send(wl, wlvif, band, false, rate); + if (ret == WL1271_NOTHING_TO_SCAN) { + wl->scan.state = WL1271_SCAN_STATE_5GHZ_PASSIVE; + wl1271_scan_stm(wl, wlvif); + } + + break; + + case WL1271_SCAN_STATE_5GHZ_PASSIVE: + band = IEEE80211_BAND_5GHZ; + rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); + ret = wl1271_scan_send(wl, wlvif, band, true, rate); + if (ret == WL1271_NOTHING_TO_SCAN) { + wl->scan.state = WL1271_SCAN_STATE_DONE; + wl1271_scan_stm(wl, wlvif); + } + + break; + + case WL1271_SCAN_STATE_DONE: + wl->scan.failed = false; + cancel_delayed_work(&wl->scan_complete_work); + ieee80211_queue_delayed_work(wl->hw, &wl->scan_complete_work, + msecs_to_jiffies(0)); + break; + + default: + wl1271_error("invalid scan state"); + break; + } + + if (ret < 0) { + cancel_delayed_work(&wl->scan_complete_work); + ieee80211_queue_delayed_work(wl->hw, &wl->scan_complete_work, + msecs_to_jiffies(0)); + } +} + +static void wl12xx_adjust_channels(struct wl1271_cmd_sched_scan_config *cmd, + struct wlcore_scan_channels *cmd_channels) +{ + memcpy(cmd->passive, cmd_channels->passive, sizeof(cmd->passive)); + memcpy(cmd->active, cmd_channels->active, sizeof(cmd->active)); + cmd->dfs = cmd_channels->dfs; + cmd->n_pactive_ch = cmd_channels->passive_active; + + memcpy(cmd->channels_2, cmd_channels->channels_2, + sizeof(cmd->channels_2)); + memcpy(cmd->channels_5, cmd_channels->channels_5, + sizeof(cmd->channels_2)); + /* channels_4 are not supported, so no need to copy them */ +} + +int wl1271_scan_sched_scan_config(struct wl1271 *wl, + struct wl12xx_vif *wlvif, + struct cfg80211_sched_scan_request *req, + struct ieee80211_sched_scan_ies *ies) +{ + struct wl1271_cmd_sched_scan_config *cfg = NULL; + struct wlcore_scan_channels *cfg_channels = NULL; + struct conf_sched_scan_settings *c = &wl->conf.sched_scan; + int i, ret; + bool force_passive = !req->n_ssids; + + wl1271_debug(DEBUG_CMD, "cmd sched_scan scan config"); + + cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); + if (!cfg) + return -ENOMEM; + + cfg->role_id = wlvif->role_id; + cfg->rssi_threshold = c->rssi_threshold; + cfg->snr_threshold = c->snr_threshold; + cfg->n_probe_reqs = c->num_probe_reqs; + /* cycles set to 0 it means infinite (until manually stopped) */ + cfg->cycles = 0; + /* report APs when at least 1 is found */ + cfg->report_after = 1; + /* don't stop scanning automatically when something is found */ + cfg->terminate = 0; + cfg->tag = WL1271_SCAN_DEFAULT_TAG; + /* don't filter on BSS type */ + cfg->bss_type = SCAN_BSS_TYPE_ANY; + /* currently NL80211 supports only a single interval */ + for (i = 0; i < SCAN_MAX_CYCLE_INTERVALS; i++) + cfg->intervals[i] = cpu_to_le32(req->interval); + + cfg->ssid_len = 0; + ret = wlcore_scan_sched_scan_ssid_list(wl, wlvif, req); + if (ret < 0) + goto out; + + cfg->filter_type = ret; + + wl1271_debug(DEBUG_SCAN, "filter_type = %d", cfg->filter_type); + + cfg_channels = kzalloc(sizeof(*cfg_channels), GFP_KERNEL); + if (!cfg_channels) { + ret = -ENOMEM; + goto out; + } + + if (!wlcore_set_scan_chan_params(wl, cfg_channels, req->channels, + req->n_channels, req->n_ssids, + SCAN_TYPE_PERIODIC)) { + wl1271_error("scan channel list is empty"); + ret = -EINVAL; + goto out; + } + wl12xx_adjust_channels(cfg, cfg_channels); + + if (!force_passive && cfg->active[0]) { + u8 band = IEEE80211_BAND_2GHZ; + ret = wl12xx_cmd_build_probe_req(wl, wlvif, + wlvif->role_id, band, + req->ssids[0].ssid, + req->ssids[0].ssid_len, + ies->ie[band], + ies->len[band], true); + if (ret < 0) { + wl1271_error("2.4GHz PROBE request template failed"); + goto out; + } + } + + if (!force_passive && cfg->active[1]) { + u8 band = IEEE80211_BAND_5GHZ; + ret = wl12xx_cmd_build_probe_req(wl, wlvif, + wlvif->role_id, band, + req->ssids[0].ssid, + req->ssids[0].ssid_len, + ies->ie[band], + ies->len[band], true); + if (ret < 0) { + wl1271_error("5GHz PROBE request template failed"); + goto out; + } + } + + wl1271_dump(DEBUG_SCAN, "SCAN_CFG: ", cfg, sizeof(*cfg)); + + ret = wl1271_cmd_send(wl, CMD_CONNECTION_SCAN_CFG, cfg, + sizeof(*cfg), 0); + if (ret < 0) { + wl1271_error("SCAN configuration failed"); + goto out; + } +out: + kfree(cfg_channels); + kfree(cfg); + return ret; +} + +int wl1271_scan_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif) +{ + struct wl1271_cmd_sched_scan_start *start; + int ret = 0; + + wl1271_debug(DEBUG_CMD, "cmd periodic scan start"); + + if (wlvif->bss_type != BSS_TYPE_STA_BSS) + return -EOPNOTSUPP; + + if ((wl->quirks & WLCORE_QUIRK_NO_SCHED_SCAN_WHILE_CONN) && + test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags)) + return -EBUSY; + + start = kzalloc(sizeof(*start), GFP_KERNEL); + if (!start) + return -ENOMEM; + + start->role_id = wlvif->role_id; + start->tag = WL1271_SCAN_DEFAULT_TAG; + + ret = wl1271_cmd_send(wl, CMD_START_PERIODIC_SCAN, start, + sizeof(*start), 0); + if (ret < 0) { + wl1271_error("failed to send scan start command"); + goto out_free; + } + +out_free: + kfree(start); + return ret; +} + +int wl12xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif, + struct cfg80211_sched_scan_request *req, + struct ieee80211_sched_scan_ies *ies) +{ + int ret; + + ret = wl1271_scan_sched_scan_config(wl, wlvif, req, ies); + if (ret < 0) + return ret; + + return wl1271_scan_sched_scan_start(wl, wlvif); +} + +void wl12xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif) +{ + struct wl1271_cmd_sched_scan_stop *stop; + int ret = 0; + + wl1271_debug(DEBUG_CMD, "cmd periodic scan stop"); + + /* FIXME: what to do if alloc'ing to stop fails? */ + stop = kzalloc(sizeof(*stop), GFP_KERNEL); + if (!stop) { + wl1271_error("failed to alloc memory to send sched scan stop"); + return; + } + + stop->role_id = wlvif->role_id; + stop->tag = WL1271_SCAN_DEFAULT_TAG; + + ret = wl1271_cmd_send(wl, CMD_STOP_PERIODIC_SCAN, stop, + sizeof(*stop), 0); + if (ret < 0) { + wl1271_error("failed to send sched scan stop command"); + goto out_free; + } + +out_free: + kfree(stop); +} + +int wl12xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif, + struct cfg80211_scan_request *req) +{ + wl1271_scan_stm(wl, wlvif); + return 0; +} + +void wl12xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif) +{ + wl1271_scan_stm(wl, wlvif); +} diff --git a/drivers/net/wireless/ti/wl12xx/scan.h b/drivers/net/wireless/ti/wl12xx/scan.h new file mode 100644 index 000000000000..264af7ac2785 --- /dev/null +++ b/drivers/net/wireless/ti/wl12xx/scan.h @@ -0,0 +1,140 @@ +/* + * This file is part of wl12xx + * + * Copyright (C) 2012 Texas Instruments. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL12XX_SCAN_H__ +#define __WL12XX_SCAN_H__ + +#include "../wlcore/wlcore.h" +#include "../wlcore/cmd.h" +#include "../wlcore/scan.h" + +#define WL12XX_MAX_CHANNELS_5GHZ 23 + +struct basic_scan_params { + /* Scan option flags (WL1271_SCAN_OPT_*) */ + __le16 scan_options; + u8 role_id; + /* Number of scan channels in the list (maximum 30) */ + u8 n_ch; + /* This field indicates the number of probe requests to send + per channel for an active scan */ + u8 n_probe_reqs; + u8 tid_trigger; + u8 ssid_len; + u8 use_ssid_list; + + /* Rate bit field for sending the probes */ + __le32 tx_rate; + + u8 ssid[IEEE80211_MAX_SSID_LEN]; + /* Band to scan */ + u8 band; + + u8 scan_tag; + u8 padding2[2]; +} __packed; + +struct basic_scan_channel_params { + /* Duration in TU to wait for frames on a channel for active scan */ + __le32 min_duration; + __le32 max_duration; + __le32 bssid_lsb; + __le16 bssid_msb; + u8 early_termination; + u8 tx_power_att; + u8 channel; + /* FW internal use only! */ + u8 dfs_candidate; + u8 activity_detected; + u8 pad; +} __packed; + +struct wl1271_cmd_scan { + struct wl1271_cmd_header header; + + struct basic_scan_params params; + struct basic_scan_channel_params channels[WL1271_SCAN_MAX_CHANNELS]; + + /* src mac address */ + u8 addr[ETH_ALEN]; + u8 padding[2]; +} __packed; + +struct wl1271_cmd_sched_scan_config { + struct wl1271_cmd_header header; + + __le32 intervals[SCAN_MAX_CYCLE_INTERVALS]; + + s8 rssi_threshold; /* for filtering (in dBm) */ + s8 snr_threshold; /* for filtering (in dB) */ + + u8 cycles; /* maximum number of scan cycles */ + u8 report_after; /* report when this number of results are received */ + u8 terminate; /* stop scanning after reporting */ + + u8 tag; + u8 bss_type; /* for filtering */ + u8 filter_type; + + u8 ssid_len; /* For SCAN_SSID_FILTER_SPECIFIC */ + u8 ssid[IEEE80211_MAX_SSID_LEN]; + + u8 n_probe_reqs; /* Number of probes requests per channel */ + + u8 passive[SCAN_MAX_BANDS]; + u8 active[SCAN_MAX_BANDS]; + + u8 dfs; + + u8 n_pactive_ch; /* number of pactive (passive until fw detects energy) + channels in BG band */ + u8 role_id; + u8 padding[1]; + struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ]; + struct conn_scan_ch_params channels_5[WL12XX_MAX_CHANNELS_5GHZ]; + struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ]; +} __packed; + +struct wl1271_cmd_sched_scan_start { + struct wl1271_cmd_header header; + + u8 tag; + u8 role_id; + u8 padding[2]; +} __packed; + +struct wl1271_cmd_sched_scan_stop { + struct wl1271_cmd_header header; + + u8 tag; + u8 role_id; + u8 padding[2]; +} __packed; + +int wl12xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif, + struct cfg80211_scan_request *req); +int wl12xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif); +void wl12xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif); +int wl12xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif, + struct cfg80211_sched_scan_request *req, + struct ieee80211_sched_scan_ies *ies); +void wl12xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif); +#endif diff --git a/drivers/net/wireless/ti/wl12xx/wl12xx.h b/drivers/net/wireless/ti/wl12xx/wl12xx.h index 7182bbf6625d..d4552857480c 100644 --- a/drivers/net/wireless/ti/wl12xx/wl12xx.h +++ b/drivers/net/wireless/ti/wl12xx/wl12xx.h @@ -24,19 +24,37 @@ #include "conf.h" -/* minimum FW required for driver for wl127x */ +/* WiLink 6/7 chip IDs */ +#define CHIP_ID_127X_PG10 (0x04030101) +#define CHIP_ID_127X_PG20 (0x04030111) +#define CHIP_ID_128X_PG10 (0x05030101) +#define CHIP_ID_128X_PG20 (0x05030111) + +/* FW chip version for wl127x */ #define WL127X_CHIP_VER 6 -#define WL127X_IFTYPE_VER 3 -#define WL127X_MAJOR_VER 10 -#define WL127X_SUBTYPE_VER 2 -#define WL127X_MINOR_VER 115 +/* minimum single-role FW version for wl127x */ +#define WL127X_IFTYPE_SR_VER 3 +#define WL127X_MAJOR_SR_VER 10 +#define WL127X_SUBTYPE_SR_VER WLCORE_FW_VER_IGNORE +#define WL127X_MINOR_SR_VER 115 +/* minimum multi-role FW version for wl127x */ +#define WL127X_IFTYPE_MR_VER 5 +#define WL127X_MAJOR_MR_VER 7 +#define WL127X_SUBTYPE_MR_VER WLCORE_FW_VER_IGNORE +#define WL127X_MINOR_MR_VER 115 -/* minimum FW required for driver for wl128x */ +/* FW chip version for wl128x */ #define WL128X_CHIP_VER 7 -#define WL128X_IFTYPE_VER 3 -#define WL128X_MAJOR_VER 10 -#define WL128X_SUBTYPE_VER 2 -#define WL128X_MINOR_VER 115 +/* minimum single-role FW version for wl128x */ +#define WL128X_IFTYPE_SR_VER 3 +#define WL128X_MAJOR_SR_VER 10 +#define WL128X_SUBTYPE_SR_VER WLCORE_FW_VER_IGNORE +#define WL128X_MINOR_SR_VER 115 +/* minimum multi-role FW version for wl128x */ +#define WL128X_IFTYPE_MR_VER 5 +#define WL128X_MAJOR_MR_VER 7 +#define WL128X_SUBTYPE_MR_VER WLCORE_FW_VER_IGNORE +#define WL128X_MINOR_MR_VER 42 #define WL12XX_AGGR_BUFFER_SIZE (4 * PAGE_SIZE) @@ -55,6 +73,8 @@ struct wl12xx_priv { int ref_clock; int tcxo_clock; + + struct wl127x_rx_mem_pool_addr *rx_mem_addr; }; #endif /* __WL12XX_PRIV_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/Makefile b/drivers/net/wireless/ti/wl18xx/Makefile index 67c098734c7f..ae2b81735785 100644 --- a/drivers/net/wireless/ti/wl18xx/Makefile +++ b/drivers/net/wireless/ti/wl18xx/Makefile @@ -1,3 +1,3 @@ -wl18xx-objs = main.o acx.o tx.o io.o debugfs.o +wl18xx-objs = main.o acx.o tx.o io.o debugfs.o scan.o cmd.o event.o obj-$(CONFIG_WL18XX) += wl18xx.o diff --git a/drivers/net/wireless/ti/wl18xx/acx.c b/drivers/net/wireless/ti/wl18xx/acx.c index 72840e23bf59..a169bb5a5dbf 100644 --- a/drivers/net/wireless/ti/wl18xx/acx.c +++ b/drivers/net/wireless/ti/wl18xx/acx.c @@ -75,7 +75,7 @@ int wl18xx_acx_set_checksum_state(struct wl1271 *wl) acx->checksum_state = CHECKSUM_OFFLOAD_ENABLED; - ret = wl1271_cmd_configure(wl, ACX_CHECKSUM_CONFIG, acx, sizeof(*acx)); + ret = wl1271_cmd_configure(wl, ACX_CSUM_CONFIG, acx, sizeof(*acx)); if (ret < 0) { wl1271_warning("failed to set Tx checksum state: %d", ret); goto out; @@ -109,3 +109,88 @@ out: kfree(acx); return ret; } + +int wl18xx_acx_peer_ht_operation_mode(struct wl1271 *wl, u8 hlid, bool wide) +{ + struct wlcore_peer_ht_operation_mode *acx; + int ret; + + wl1271_debug(DEBUG_ACX, "acx peer ht operation mode hlid %d bw %d", + hlid, wide); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->hlid = hlid; + acx->bandwidth = wide ? WLCORE_BANDWIDTH_40MHZ : WLCORE_BANDWIDTH_20MHZ; + + ret = wl1271_cmd_configure(wl, ACX_PEER_HT_OPERATION_MODE_CFG, acx, + sizeof(*acx)); + + if (ret < 0) { + wl1271_warning("acx peer ht operation mode failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; + +} + +/* + * this command is basically the same as wl1271_acx_ht_capabilities, + * with the addition of supported rates. they should be unified in + * the next fw api change + */ +int wl18xx_acx_set_peer_cap(struct wl1271 *wl, + struct ieee80211_sta_ht_cap *ht_cap, + bool allow_ht_operation, + u32 rate_set, u8 hlid) +{ + struct wlcore_acx_peer_cap *acx; + int ret = 0; + u32 ht_capabilites = 0; + + wl1271_debug(DEBUG_ACX, + "acx set cap ht_supp: %d ht_cap: %d rates: 0x%x", + ht_cap->ht_supported, ht_cap->cap, rate_set); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + if (allow_ht_operation && ht_cap->ht_supported) { + /* no need to translate capabilities - use the spec values */ + ht_capabilites = ht_cap->cap; + + /* + * this bit is not employed by the spec but only by FW to + * indicate peer HT support + */ + ht_capabilites |= WL12XX_HT_CAP_HT_OPERATION; + + /* get data from A-MPDU parameters field */ + acx->ampdu_max_length = ht_cap->ampdu_factor; + acx->ampdu_min_spacing = ht_cap->ampdu_density; + } + + acx->hlid = hlid; + acx->ht_capabilites = cpu_to_le32(ht_capabilites); + acx->supported_rates = cpu_to_le32(rate_set); + + ret = wl1271_cmd_configure(wl, ACX_PEER_CAP, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("acx ht capabilities setting failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} diff --git a/drivers/net/wireless/ti/wl18xx/acx.h b/drivers/net/wireless/ti/wl18xx/acx.h index e2609a6b7341..0e636def1217 100644 --- a/drivers/net/wireless/ti/wl18xx/acx.h +++ b/drivers/net/wireless/ti/wl18xx/acx.h @@ -26,7 +26,13 @@ #include "../wlcore/acx.h" enum { - ACX_CLEAR_STATISTICS = 0x0047, + ACX_NS_IPV6_FILTER = 0x0050, + ACX_PEER_HT_OPERATION_MODE_CFG = 0x0051, + ACX_CSUM_CONFIG = 0x0052, + ACX_SIM_CONFIG = 0x0053, + ACX_CLEAR_STATISTICS = 0x0054, + ACX_AUTO_RX_STREAMING = 0x0055, + ACX_PEER_CAP = 0x0056 }; /* numbers of bits the length field takes (add 1 for the actual number) */ @@ -278,10 +284,57 @@ struct wl18xx_acx_clear_statistics { struct acx_header header; }; +enum wlcore_bandwidth { + WLCORE_BANDWIDTH_20MHZ, + WLCORE_BANDWIDTH_40MHZ, +}; + +struct wlcore_peer_ht_operation_mode { + struct acx_header header; + + u8 hlid; + u8 bandwidth; /* enum wlcore_bandwidth */ + u8 padding[2]; +}; + +/* + * ACX_PEER_CAP + * this struct is very similar to wl1271_acx_ht_capabilities, with the + * addition of supported rates + */ +struct wlcore_acx_peer_cap { + struct acx_header header; + + /* bitmask of capability bits supported by the peer */ + __le32 ht_capabilites; + + /* rates supported by the remote peer */ + __le32 supported_rates; + + /* Indicates to which link these capabilities apply. */ + u8 hlid; + + /* + * This the maximum A-MPDU length supported by the AP. The FW may not + * exceed this length when sending A-MPDUs + */ + u8 ampdu_max_length; + + /* This is the minimal spacing required when sending A-MPDUs to the AP*/ + u8 ampdu_min_spacing; + + u8 padding; +} __packed; + int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap, u32 sdio_blk_size, u32 extra_mem_blks, u32 len_field_size); int wl18xx_acx_set_checksum_state(struct wl1271 *wl); int wl18xx_acx_clear_statistics(struct wl1271 *wl); +int wl18xx_acx_peer_ht_operation_mode(struct wl1271 *wl, u8 hlid, bool wide); +int wl18xx_acx_set_peer_cap(struct wl1271 *wl, + struct ieee80211_sta_ht_cap *ht_cap, + bool allow_ht_operation, + u32 rate_set, u8 hlid); #endif /* __WL18XX_ACX_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/cmd.c b/drivers/net/wireless/ti/wl18xx/cmd.c new file mode 100644 index 000000000000..1d1f6cc7a50a --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/cmd.c @@ -0,0 +1,80 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include "../wlcore/cmd.h" +#include "../wlcore/debug.h" +#include "../wlcore/hw_ops.h" + +#include "cmd.h" + +int wl18xx_cmd_channel_switch(struct wl1271 *wl, + struct wl12xx_vif *wlvif, + struct ieee80211_channel_switch *ch_switch) +{ + struct wl18xx_cmd_channel_switch *cmd; + u32 supported_rates; + int ret; + + wl1271_debug(DEBUG_ACX, "cmd channel switch"); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + cmd->role_id = wlvif->role_id; + cmd->channel = ch_switch->channel->hw_value; + cmd->switch_time = ch_switch->count; + cmd->stop_tx = ch_switch->block_tx; + + switch (ch_switch->channel->band) { + case IEEE80211_BAND_2GHZ: + cmd->band = WLCORE_BAND_2_4GHZ; + break; + case IEEE80211_BAND_5GHZ: + cmd->band = WLCORE_BAND_5GHZ; + break; + default: + wl1271_error("invalid channel switch band: %d", + ch_switch->channel->band); + ret = -EINVAL; + goto out_free; + } + + supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES | + wlcore_hw_sta_get_ap_rate_mask(wl, wlvif); + if (wlvif->p2p) + supported_rates &= ~CONF_TX_CCK_RATES; + cmd->local_supported_rates = cpu_to_le32(supported_rates); + cmd->channel_type = wlvif->channel_type; + + ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0); + if (ret < 0) { + wl1271_error("failed to send channel switch command"); + goto out_free; + } + +out_free: + kfree(cmd); +out: + return ret; +} diff --git a/drivers/net/wireless/ti/wl18xx/cmd.h b/drivers/net/wireless/ti/wl18xx/cmd.h new file mode 100644 index 000000000000..6687d10899ac --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/cmd.h @@ -0,0 +1,52 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL18XX_CMD_H__ +#define __WL18XX_CMD_H__ + +#include "../wlcore/wlcore.h" +#include "../wlcore/acx.h" + +struct wl18xx_cmd_channel_switch { + struct wl1271_cmd_header header; + + u8 role_id; + + /* The new serving channel */ + u8 channel; + /* Relative time of the serving channel switch in TBTT units */ + u8 switch_time; + /* Stop the role TX, should expect it after radar detection */ + u8 stop_tx; + + __le32 local_supported_rates; + + u8 channel_type; + u8 band; + + u8 padding[2]; +} __packed; + +int wl18xx_cmd_channel_switch(struct wl1271 *wl, + struct wl12xx_vif *wlvif, + struct ieee80211_channel_switch *ch_switch); + +#endif diff --git a/drivers/net/wireless/ti/wl18xx/conf.h b/drivers/net/wireless/ti/wl18xx/conf.h index 4d426cc20274..b5f114857191 100644 --- a/drivers/net/wireless/ti/wl18xx/conf.h +++ b/drivers/net/wireless/ti/wl18xx/conf.h @@ -23,20 +23,21 @@ #define __WL18XX_CONF_H__ #define WL18XX_CONF_MAGIC 0x10e100ca -#define WL18XX_CONF_VERSION (WLCORE_CONF_VERSION | 0x0003) +#define WL18XX_CONF_VERSION (WLCORE_CONF_VERSION | 0x0005) #define WL18XX_CONF_MASK 0x0000ffff #define WL18XX_CONF_SIZE (WLCORE_CONF_SIZE + \ sizeof(struct wl18xx_priv_conf)) #define NUM_OF_CHANNELS_11_ABG 150 #define NUM_OF_CHANNELS_11_P 7 -#define WL18XX_NUM_OF_SUB_BANDS 9 #define SRF_TABLE_LEN 16 #define PIN_MUXING_SIZE 2 +#define WL18XX_TRACE_LOSS_GAPS_TX 10 +#define WL18XX_TRACE_LOSS_GAPS_RX 18 struct wl18xx_mac_and_phy_params { u8 phy_standalone; - u8 rdl; + u8 spare0; u8 enable_clpc; u8 enable_tx_low_pwr_on_siso_rdl; u8 auto_detect; @@ -69,18 +70,26 @@ struct wl18xx_mac_and_phy_params { u8 pwr_limit_reference_11_abg; u8 per_chan_pwr_limit_arr_11p[NUM_OF_CHANNELS_11_P]; u8 pwr_limit_reference_11p; - u8 per_sub_band_tx_trace_loss[WL18XX_NUM_OF_SUB_BANDS]; - u8 per_sub_band_rx_trace_loss[WL18XX_NUM_OF_SUB_BANDS]; + u8 spare1[9]; + u8 spare2[9]; u8 primary_clock_setting_time; u8 clock_valid_on_wake_up; u8 secondary_clock_setting_time; u8 board_type; /* enable point saturation */ u8 psat; - /* low/medium/high Tx power in dBm */ + /* low/medium/high Tx power in dBm for STA-HP BG */ s8 low_power_val; s8 med_power_val; s8 high_power_val; + s8 per_sub_band_tx_trace_loss[WL18XX_TRACE_LOSS_GAPS_TX]; + s8 per_sub_band_rx_trace_loss[WL18XX_TRACE_LOSS_GAPS_RX]; + u8 tx_rf_margin; + /* low/medium/high Tx power in dBm for other role */ + s8 low_power_val_2nd; + s8 med_power_val_2nd; + s8 high_power_val_2nd; + u8 padding[1]; } __packed; diff --git a/drivers/net/wireless/ti/wl18xx/event.c b/drivers/net/wireless/ti/wl18xx/event.c new file mode 100644 index 000000000000..c9199d7804c6 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/event.c @@ -0,0 +1,111 @@ +/* + * This file is part of wl12xx + * + * Copyright (C) 2012 Texas Instruments. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include "event.h" +#include "scan.h" +#include "../wlcore/cmd.h" +#include "../wlcore/debug.h" + +int wl18xx_wait_for_event(struct wl1271 *wl, enum wlcore_wait_event event, + bool *timeout) +{ + u32 local_event; + + switch (event) { + case WLCORE_EVENT_PEER_REMOVE_COMPLETE: + local_event = PEER_REMOVE_COMPLETE_EVENT_ID; + break; + + case WLCORE_EVENT_DFS_CONFIG_COMPLETE: + local_event = DFS_CHANNELS_CONFIG_COMPLETE_EVENT; + break; + + default: + /* event not implemented */ + return 0; + } + return wlcore_cmd_wait_for_event_or_timeout(wl, local_event, timeout); +} + +int wl18xx_process_mailbox_events(struct wl1271 *wl) +{ + struct wl18xx_event_mailbox *mbox = wl->mbox; + u32 vector; + + vector = le32_to_cpu(mbox->events_vector); + wl1271_debug(DEBUG_EVENT, "MBOX vector: 0x%x", vector); + + if (vector & SCAN_COMPLETE_EVENT_ID) { + wl1271_debug(DEBUG_EVENT, "scan results: %d", + mbox->number_of_scan_results); + + if (wl->scan_wlvif) + wl18xx_scan_completed(wl, wl->scan_wlvif); + } + + if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) { + wl1271_debug(DEBUG_EVENT, + "PERIODIC_SCAN_REPORT_EVENT (results %d)", + mbox->number_of_sched_scan_results); + + wlcore_scan_sched_scan_results(wl); + } + + if (vector & PERIODIC_SCAN_COMPLETE_EVENT_ID) + wlcore_event_sched_scan_completed(wl, 1); + + if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) + wlcore_event_rssi_trigger(wl, mbox->rssi_snr_trigger_metric); + + if (vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID) + wlcore_event_ba_rx_constraint(wl, + le16_to_cpu(mbox->rx_ba_role_id_bitmap), + le16_to_cpu(mbox->rx_ba_allowed_bitmap)); + + if (vector & BSS_LOSS_EVENT_ID) + wlcore_event_beacon_loss(wl, + le16_to_cpu(mbox->bss_loss_bitmap)); + + if (vector & CHANNEL_SWITCH_COMPLETE_EVENT_ID) + wlcore_event_channel_switch(wl, + le16_to_cpu(mbox->channel_switch_role_id_bitmap), + true); + + if (vector & DUMMY_PACKET_EVENT_ID) + wlcore_event_dummy_packet(wl); + + /* + * "TX retries exceeded" has a different meaning according to mode. + * In AP mode the offending station is disconnected. + */ + if (vector & MAX_TX_FAILURE_EVENT_ID) + wlcore_event_max_tx_failure(wl, + le32_to_cpu(mbox->tx_retry_exceeded_bitmap)); + + if (vector & INACTIVE_STA_EVENT_ID) + wlcore_event_inactive_sta(wl, + le32_to_cpu(mbox->inactive_sta_bitmap)); + + if (vector & REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID) + wlcore_event_roc_complete(wl); + + return 0; +} diff --git a/drivers/net/wireless/ti/wl18xx/event.h b/drivers/net/wireless/ti/wl18xx/event.h new file mode 100644 index 000000000000..398f3d2c0a6c --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/event.h @@ -0,0 +1,77 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2012 Texas Instruments. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL18XX_EVENT_H__ +#define __WL18XX_EVENT_H__ + +#include "../wlcore/wlcore.h" + +enum { + SCAN_COMPLETE_EVENT_ID = BIT(8), + RADAR_DETECTED_EVENT_ID = BIT(9), + CHANNEL_SWITCH_COMPLETE_EVENT_ID = BIT(10), + BSS_LOSS_EVENT_ID = BIT(11), + MAX_TX_FAILURE_EVENT_ID = BIT(12), + DUMMY_PACKET_EVENT_ID = BIT(13), + INACTIVE_STA_EVENT_ID = BIT(14), + PEER_REMOVE_COMPLETE_EVENT_ID = BIT(15), + PERIODIC_SCAN_COMPLETE_EVENT_ID = BIT(16), + BA_SESSION_RX_CONSTRAINT_EVENT_ID = BIT(17), + REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID = BIT(18), + DFS_CHANNELS_CONFIG_COMPLETE_EVENT = BIT(19), + PERIODIC_SCAN_REPORT_EVENT_ID = BIT(20), +}; + +struct wl18xx_event_mailbox { + __le32 events_vector; + + u8 number_of_scan_results; + u8 number_of_sched_scan_results; + + __le16 channel_switch_role_id_bitmap; + + s8 rssi_snr_trigger_metric[NUM_OF_RSSI_SNR_TRIGGERS]; + + /* bitmap of removed links */ + __le32 hlid_removed_bitmap; + + /* rx ba constraint */ + __le16 rx_ba_role_id_bitmap; /* 0xfff means any role. */ + __le16 rx_ba_allowed_bitmap; + + /* bitmap of roc completed (by role id) */ + __le16 roc_completed_bitmap; + + /* bitmap of stations (by role id) with bss loss */ + __le16 bss_loss_bitmap; + + /* bitmap of stations (by HLID) which exceeded max tx retries */ + __le32 tx_retry_exceeded_bitmap; + + /* bitmap of inactive stations (by HLID) */ + __le32 inactive_sta_bitmap; +} __packed; + +int wl18xx_wait_for_event(struct wl1271 *wl, enum wlcore_wait_event event, + bool *timeout); +int wl18xx_process_mailbox_events(struct wl1271 *wl); + +#endif diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 8d8c1f8c63b7..0be1cfc17a86 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -34,10 +34,13 @@ #include "reg.h" #include "conf.h" +#include "cmd.h" #include "acx.h" #include "tx.h" #include "wl18xx.h" #include "io.h" +#include "scan.h" +#include "event.h" #include "debugfs.h" #define WL18XX_RX_CHECKSUM_MASK 0x40 @@ -334,6 +337,8 @@ static struct wlcore_conf wl18xx_conf = { .tmpl_short_retry_limit = 10, .tmpl_long_retry_limit = 10, .tx_watchdog_timeout = 5000, + .slow_link_thold = 3, + .fast_link_thold = 30, }, .conn = { .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, @@ -391,8 +396,10 @@ static struct wlcore_conf wl18xx_conf = { .scan = { .min_dwell_time_active = 7500, .max_dwell_time_active = 30000, - .min_dwell_time_passive = 100000, - .max_dwell_time_passive = 100000, + .min_dwell_time_active_long = 25000, + .max_dwell_time_active_long = 50000, + .dwell_time_passive = 100000, + .dwell_time_dfs = 150000, .num_probe_reqs = 2, .split_scan_timeout = 50000, }, @@ -489,6 +496,10 @@ static struct wlcore_conf wl18xx_conf = { .increase_time = 1, .window_size = 16, }, + .recovery = { + .bug_on_recovery = 0, + .no_recovery = 0, + }, }; static struct wl18xx_priv_conf wl18xx_default_priv_conf = { @@ -501,7 +512,6 @@ static struct wl18xx_priv_conf wl18xx_default_priv_conf = { .clock_valid_on_wake_up = 0x00, .secondary_clock_setting_time = 0x05, .board_type = BOARD_TYPE_HDK_18XX, - .rdl = 0x01, .auto_detect = 0x00, .dedicated_fem = FEM_NONE, .low_band_component = COMPONENT_3_WAY_SWITCH, @@ -517,14 +527,39 @@ static struct wl18xx_priv_conf wl18xx_default_priv_conf = { .enable_clpc = 0x00, .enable_tx_low_pwr_on_siso_rdl = 0x00, .rx_profile = 0x00, - .pwr_limit_reference_11_abg = 0xc8, + .pwr_limit_reference_11_abg = 0x64, + .per_chan_pwr_limit_arr_11abg = { + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, + .pwr_limit_reference_11p = 0x64, + .per_chan_pwr_limit_arr_11p = { 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff }, .psat = 0, - .low_power_val = 0x00, - .med_power_val = 0x0a, - .high_power_val = 0x1e, + .low_power_val = 0x08, + .med_power_val = 0x12, + .high_power_val = 0x18, + .low_power_val_2nd = 0x05, + .med_power_val_2nd = 0x0a, + .high_power_val_2nd = 0x14, .external_pa_dc2dc = 0, - .number_of_assembled_ant2_4 = 1, + .number_of_assembled_ant2_4 = 2, .number_of_assembled_ant5 = 1, + .tx_rf_margin = 1, }, }; @@ -595,7 +630,7 @@ static const struct wl18xx_clk_cfg wl18xx_clk_table[NUM_CLOCK_CONFIGS] = { }; /* TODO: maybe move to a new header file? */ -#define WL18XX_FW_NAME "ti-connectivity/wl18xx-fw.bin" +#define WL18XX_FW_NAME "ti-connectivity/wl18xx-fw-2.bin" static int wl18xx_identify_chip(struct wl1271 *wl) { @@ -608,15 +643,18 @@ static int wl18xx_identify_chip(struct wl1271 *wl) wl->sr_fw_name = WL18XX_FW_NAME; /* wl18xx uses the same firmware for PLT */ wl->plt_fw_name = WL18XX_FW_NAME; - wl->quirks |= WLCORE_QUIRK_NO_ELP | - WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN | + wl->quirks |= WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN | WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN | WLCORE_QUIRK_NO_SCHED_SCAN_WHILE_CONN | - WLCORE_QUIRK_TX_PAD_LAST_FRAME; - - wlcore_set_min_fw_ver(wl, WL18XX_CHIP_VER, WL18XX_IFTYPE_VER, - WL18XX_MAJOR_VER, WL18XX_SUBTYPE_VER, - WL18XX_MINOR_VER); + WLCORE_QUIRK_TX_PAD_LAST_FRAME | + WLCORE_QUIRK_REGDOMAIN_CONF | + WLCORE_QUIRK_DUAL_PROBE_TMPL; + + wlcore_set_min_fw_ver(wl, WL18XX_CHIP_VER, + WL18XX_IFTYPE_VER, WL18XX_MAJOR_VER, + WL18XX_SUBTYPE_VER, WL18XX_MINOR_VER, + /* there's no separate multi-role FW */ + 0, 0, 0, 0); break; case CHIP_ID_185x_PG10: wl1271_warning("chip id 0x%x (185x PG10) is deprecated", @@ -630,6 +668,11 @@ static int wl18xx_identify_chip(struct wl1271 *wl) goto out; } + wl->scan_templ_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4; + wl->scan_templ_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5; + wl->sched_scan_templ_id_2_4 = CMD_TEMPL_PROBE_REQ_2_4_PERIODIC; + wl->sched_scan_templ_id_5 = CMD_TEMPL_PROBE_REQ_5_PERIODIC; + wl->max_channels_5 = WL18XX_MAX_CHANNELS_5GHZ; out: return ret; } @@ -843,6 +886,20 @@ static int wl18xx_boot(struct wl1271 *wl) if (ret < 0) goto out; + wl->event_mask = BSS_LOSS_EVENT_ID | + SCAN_COMPLETE_EVENT_ID | + RSSI_SNR_TRIGGER_0_EVENT_ID | + PERIODIC_SCAN_COMPLETE_EVENT_ID | + PERIODIC_SCAN_REPORT_EVENT_ID | + DUMMY_PACKET_EVENT_ID | + PEER_REMOVE_COMPLETE_EVENT_ID | + BA_SESSION_RX_CONSTRAINT_EVENT_ID | + REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID | + INACTIVE_STA_EVENT_ID | + MAX_TX_FAILURE_EVENT_ID | + CHANNEL_SWITCH_COMPLETE_EVENT_ID | + DFS_CHANNELS_CONFIG_COMPLETE_EVENT; + ret = wlcore_boot_run_firmware(wl); if (ret < 0) goto out; @@ -964,7 +1021,7 @@ static int wl18xx_hw_init(struct wl1271 *wl) /* (re)init private structures. Relevant on recovery as well. */ priv->last_fw_rls_idx = 0; - priv->extra_spare_vif_count = 0; + priv->extra_spare_key_count = 0; /* set the default amount of spare blocks in the bitmap */ ret = wl18xx_set_host_cfg_bitmap(wl, WL18XX_TX_HW_BLOCK_SPARE); @@ -1022,7 +1079,12 @@ static bool wl18xx_is_mimo_supported(struct wl1271 *wl) { struct wl18xx_priv *priv = wl->priv; - return priv->conf.phy.number_of_assembled_ant2_4 >= 2; + /* only support MIMO with multiple antennas, and when SISO + * is not forced through config + */ + return (priv->conf.phy.number_of_assembled_ant2_4 >= 2) && + (priv->conf.ht.mode != HT_MODE_WIDE) && + (priv->conf.ht.mode != HT_MODE_SISO20); } /* @@ -1223,8 +1285,8 @@ static int wl18xx_get_spare_blocks(struct wl1271 *wl, bool is_gem) { struct wl18xx_priv *priv = wl->priv; - /* If we have VIFs requiring extra spare, indulge them */ - if (priv->extra_spare_vif_count) + /* If we have keys requiring extra spare, indulge them */ + if (priv->extra_spare_key_count) return WL18XX_TX_HW_EXTRA_BLOCK_SPARE; return WL18XX_TX_HW_BLOCK_SPARE; @@ -1236,42 +1298,48 @@ static int wl18xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd, struct ieee80211_key_conf *key_conf) { struct wl18xx_priv *priv = wl->priv; - bool change_spare = false; + bool change_spare = false, special_enc; int ret; + wl1271_debug(DEBUG_CRYPT, "extra spare keys before: %d", + priv->extra_spare_key_count); + + special_enc = key_conf->cipher == WL1271_CIPHER_SUITE_GEM || + key_conf->cipher == WLAN_CIPHER_SUITE_TKIP; + + ret = wlcore_set_key(wl, cmd, vif, sta, key_conf); + if (ret < 0) + goto out; + /* - * when adding the first or removing the last GEM/TKIP interface, + * when adding the first or removing the last GEM/TKIP key, * we have to adjust the number of spare blocks. */ - change_spare = (key_conf->cipher == WL1271_CIPHER_SUITE_GEM || - key_conf->cipher == WLAN_CIPHER_SUITE_TKIP) && - ((priv->extra_spare_vif_count == 0 && cmd == SET_KEY) || - (priv->extra_spare_vif_count == 1 && cmd == DISABLE_KEY)); + if (special_enc) { + if (cmd == SET_KEY) { + /* first key */ + change_spare = (priv->extra_spare_key_count == 0); + priv->extra_spare_key_count++; + } else if (cmd == DISABLE_KEY) { + /* last key */ + change_spare = (priv->extra_spare_key_count == 1); + priv->extra_spare_key_count--; + } + } - /* no need to change spare - just regular set_key */ - if (!change_spare) - return wlcore_set_key(wl, cmd, vif, sta, key_conf); + wl1271_debug(DEBUG_CRYPT, "extra spare keys after: %d", + priv->extra_spare_key_count); - ret = wlcore_set_key(wl, cmd, vif, sta, key_conf); - if (ret < 0) + if (!change_spare) goto out; /* key is now set, change the spare blocks */ - if (cmd == SET_KEY) { + if (priv->extra_spare_key_count) ret = wl18xx_set_host_cfg_bitmap(wl, WL18XX_TX_HW_EXTRA_BLOCK_SPARE); - if (ret < 0) - goto out; - - priv->extra_spare_vif_count++; - } else { + else ret = wl18xx_set_host_cfg_bitmap(wl, WL18XX_TX_HW_BLOCK_SPARE); - if (ret < 0) - goto out; - - priv->extra_spare_vif_count--; - } out: return ret; @@ -1296,6 +1364,92 @@ static u32 wl18xx_pre_pkt_send(struct wl1271 *wl, return buf_offset; } +static void wl18xx_sta_rc_update(struct wl1271 *wl, + struct wl12xx_vif *wlvif, + struct ieee80211_sta *sta, + u32 changed) +{ + bool wide = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; + + wl1271_debug(DEBUG_MAC80211, "mac80211 sta_rc_update wide %d", wide); + + if (!(changed & IEEE80211_RC_BW_CHANGED)) + return; + + mutex_lock(&wl->mutex); + + /* sanity */ + if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS)) + goto out; + + /* ignore the change before association */ + if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) + goto out; + + /* + * If we started out as wide, we can change the operation mode. If we + * thought this was a 20mhz AP, we have to reconnect + */ + if (wlvif->sta.role_chan_type == NL80211_CHAN_HT40MINUS || + wlvif->sta.role_chan_type == NL80211_CHAN_HT40PLUS) + wl18xx_acx_peer_ht_operation_mode(wl, wlvif->sta.hlid, wide); + else + ieee80211_connection_loss(wl12xx_wlvif_to_vif(wlvif)); + +out: + mutex_unlock(&wl->mutex); +} + +static int wl18xx_set_peer_cap(struct wl1271 *wl, + struct ieee80211_sta_ht_cap *ht_cap, + bool allow_ht_operation, + u32 rate_set, u8 hlid) +{ + return wl18xx_acx_set_peer_cap(wl, ht_cap, allow_ht_operation, + rate_set, hlid); +} + +static bool wl18xx_lnk_high_prio(struct wl1271 *wl, u8 hlid, + struct wl1271_link *lnk) +{ + u8 thold; + struct wl18xx_fw_status_priv *status_priv = + (struct wl18xx_fw_status_priv *)wl->fw_status_2->priv; + u32 suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap); + + /* suspended links are never high priority */ + if (test_bit(hlid, (unsigned long *)&suspend_bitmap)) + return false; + + /* the priority thresholds are taken from FW */ + if (test_bit(hlid, (unsigned long *)&wl->fw_fast_lnk_map) && + !test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map)) + thold = status_priv->tx_fast_link_prio_threshold; + else + thold = status_priv->tx_slow_link_prio_threshold; + + return lnk->allocated_pkts < thold; +} + +static bool wl18xx_lnk_low_prio(struct wl1271 *wl, u8 hlid, + struct wl1271_link *lnk) +{ + u8 thold; + struct wl18xx_fw_status_priv *status_priv = + (struct wl18xx_fw_status_priv *)wl->fw_status_2->priv; + u32 suspend_bitmap = le32_to_cpu(status_priv->link_suspend_bitmap); + + if (test_bit(hlid, (unsigned long *)&suspend_bitmap)) + thold = status_priv->tx_suspend_threshold; + else if (test_bit(hlid, (unsigned long *)&wl->fw_fast_lnk_map) && + !test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map)) + thold = status_priv->tx_fast_stop_threshold; + else + thold = status_priv->tx_slow_stop_threshold; + + return lnk->allocated_pkts < thold; +} + static int wl18xx_setup(struct wl1271 *wl); static struct wlcore_ops wl18xx_ops = { @@ -1305,6 +1459,8 @@ static struct wlcore_ops wl18xx_ops = { .plt_init = wl18xx_plt_init, .trigger_cmd = wl18xx_trigger_cmd, .ack_event = wl18xx_ack_event, + .wait_for_event = wl18xx_wait_for_event, + .process_mailbox_events = wl18xx_process_mailbox_events, .calc_tx_blocks = wl18xx_calc_tx_blocks, .set_tx_desc_blocks = wl18xx_set_tx_desc_blocks, .set_tx_desc_data_len = wl18xx_set_tx_desc_data_len, @@ -1320,16 +1476,26 @@ static struct wlcore_ops wl18xx_ops = { .ap_get_mimo_wide_rate_mask = wl18xx_ap_get_mimo_wide_rate_mask, .get_mac = wl18xx_get_mac, .debugfs_init = wl18xx_debugfs_add_files, + .scan_start = wl18xx_scan_start, + .scan_stop = wl18xx_scan_stop, + .sched_scan_start = wl18xx_sched_scan_start, + .sched_scan_stop = wl18xx_scan_sched_scan_stop, .handle_static_data = wl18xx_handle_static_data, .get_spare_blocks = wl18xx_get_spare_blocks, .set_key = wl18xx_set_key, + .channel_switch = wl18xx_cmd_channel_switch, .pre_pkt_send = wl18xx_pre_pkt_send, + .sta_rc_update = wl18xx_sta_rc_update, + .set_peer_cap = wl18xx_set_peer_cap, + .lnk_high_prio = wl18xx_lnk_high_prio, + .lnk_low_prio = wl18xx_lnk_low_prio, }; /* HT cap appropriate for wide channels in 2Ghz */ static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_2ghz = { .cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 | - IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_DSSSCCK40, + IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_DSSSCCK40 | + IEEE80211_HT_CAP_GRN_FLD, .ht_supported = true, .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K, .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, @@ -1343,7 +1509,8 @@ static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_2ghz = { /* HT cap appropriate for wide channels in 5Ghz */ static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_5ghz = { .cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 | - IEEE80211_HT_CAP_SUP_WIDTH_20_40, + IEEE80211_HT_CAP_SUP_WIDTH_20_40 | + IEEE80211_HT_CAP_GRN_FLD, .ht_supported = true, .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K, .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, @@ -1356,7 +1523,8 @@ static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_5ghz = { /* HT cap appropriate for SISO 20 */ static struct ieee80211_sta_ht_cap wl18xx_siso20_ht_cap = { - .cap = IEEE80211_HT_CAP_SGI_20, + .cap = IEEE80211_HT_CAP_SGI_20 | + IEEE80211_HT_CAP_GRN_FLD, .ht_supported = true, .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K, .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, @@ -1369,7 +1537,8 @@ static struct ieee80211_sta_ht_cap wl18xx_siso20_ht_cap = { /* HT cap appropriate for MIMO rates in 20mhz channel */ static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap_2ghz = { - .cap = IEEE80211_HT_CAP_SGI_20, + .cap = IEEE80211_HT_CAP_SGI_20 | + IEEE80211_HT_CAP_GRN_FLD, .ht_supported = true, .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K, .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, @@ -1387,7 +1556,8 @@ static int wl18xx_setup(struct wl1271 *wl) wl->rtable = wl18xx_rtable; wl->num_tx_desc = WL18XX_NUM_TX_DESCRIPTORS; - wl->num_rx_desc = WL18XX_NUM_TX_DESCRIPTORS; + wl->num_rx_desc = WL18XX_NUM_RX_DESCRIPTORS; + wl->num_channels = 2; wl->num_mac_addr = WL18XX_NUM_MAC_ADDRESSES; wl->band_rate_to_idx = wl18xx_band_rate_to_idx; wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX; @@ -1506,7 +1676,8 @@ static int wl18xx_probe(struct platform_device *pdev) int ret; hw = wlcore_alloc_hw(sizeof(struct wl18xx_priv), - WL18XX_AGGR_BUFFER_SIZE); + WL18XX_AGGR_BUFFER_SIZE, + sizeof(struct wl18xx_event_mailbox)); if (IS_ERR(hw)) { wl1271_error("can't allocate hw"); ret = PTR_ERR(hw); diff --git a/drivers/net/wireless/ti/wl18xx/scan.c b/drivers/net/wireless/ti/wl18xx/scan.c new file mode 100644 index 000000000000..09d944505ac0 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/scan.c @@ -0,0 +1,326 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2012 Texas Instruments. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/ieee80211.h> +#include "scan.h" +#include "../wlcore/debug.h" + +static void wl18xx_adjust_channels(struct wl18xx_cmd_scan_params *cmd, + struct wlcore_scan_channels *cmd_channels) +{ + memcpy(cmd->passive, cmd_channels->passive, sizeof(cmd->passive)); + memcpy(cmd->active, cmd_channels->active, sizeof(cmd->active)); + cmd->dfs = cmd_channels->dfs; + cmd->passive_active = cmd_channels->passive_active; + + memcpy(cmd->channels_2, cmd_channels->channels_2, + sizeof(cmd->channels_2)); + memcpy(cmd->channels_5, cmd_channels->channels_5, + sizeof(cmd->channels_2)); + /* channels_4 are not supported, so no need to copy them */ +} + +static int wl18xx_scan_send(struct wl1271 *wl, struct wl12xx_vif *wlvif, + struct cfg80211_scan_request *req) +{ + struct wl18xx_cmd_scan_params *cmd; + struct wlcore_scan_channels *cmd_channels = NULL; + int ret; + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + cmd->role_id = wlvif->role_id; + + if (WARN_ON(cmd->role_id == WL12XX_INVALID_ROLE_ID)) { + ret = -EINVAL; + goto out; + } + + cmd->scan_type = SCAN_TYPE_SEARCH; + cmd->rssi_threshold = -127; + cmd->snr_threshold = 0; + + cmd->bss_type = SCAN_BSS_TYPE_ANY; + + cmd->ssid_from_list = 0; + cmd->filter = 0; + cmd->add_broadcast = 0; + + cmd->urgency = 0; + cmd->protect = 0; + + cmd->n_probe_reqs = wl->conf.scan.num_probe_reqs; + cmd->terminate_after = 0; + + /* configure channels */ + WARN_ON(req->n_ssids > 1); + + cmd_channels = kzalloc(sizeof(*cmd_channels), GFP_KERNEL); + if (!cmd_channels) { + ret = -ENOMEM; + goto out; + } + + wlcore_set_scan_chan_params(wl, cmd_channels, req->channels, + req->n_channels, req->n_ssids, + SCAN_TYPE_SEARCH); + wl18xx_adjust_channels(cmd, cmd_channels); + + /* + * all the cycles params (except total cycles) should + * remain 0 for normal scan + */ + cmd->total_cycles = 1; + + if (req->no_cck) + cmd->rate = WL18XX_SCAN_RATE_6; + + cmd->tag = WL1271_SCAN_DEFAULT_TAG; + + if (req->n_ssids) { + cmd->ssid_len = req->ssids[0].ssid_len; + memcpy(cmd->ssid, req->ssids[0].ssid, cmd->ssid_len); + } + + /* TODO: per-band ies? */ + if (cmd->active[0]) { + u8 band = IEEE80211_BAND_2GHZ; + ret = wl12xx_cmd_build_probe_req(wl, wlvif, + cmd->role_id, band, + req->ssids ? req->ssids[0].ssid : NULL, + req->ssids ? req->ssids[0].ssid_len : 0, + req->ie, + req->ie_len, + false); + if (ret < 0) { + wl1271_error("2.4GHz PROBE request template failed"); + goto out; + } + } + + if (cmd->active[1] || cmd->dfs) { + u8 band = IEEE80211_BAND_5GHZ; + ret = wl12xx_cmd_build_probe_req(wl, wlvif, + cmd->role_id, band, + req->ssids ? req->ssids[0].ssid : NULL, + req->ssids ? req->ssids[0].ssid_len : 0, + req->ie, + req->ie_len, + false); + if (ret < 0) { + wl1271_error("5GHz PROBE request template failed"); + goto out; + } + } + + wl1271_dump(DEBUG_SCAN, "SCAN: ", cmd, sizeof(*cmd)); + + ret = wl1271_cmd_send(wl, CMD_SCAN, cmd, sizeof(*cmd), 0); + if (ret < 0) { + wl1271_error("SCAN failed"); + goto out; + } + +out: + kfree(cmd_channels); + kfree(cmd); + return ret; +} + +void wl18xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif) +{ + wl->scan.failed = false; + cancel_delayed_work(&wl->scan_complete_work); + ieee80211_queue_delayed_work(wl->hw, &wl->scan_complete_work, + msecs_to_jiffies(0)); +} + +static +int wl18xx_scan_sched_scan_config(struct wl1271 *wl, + struct wl12xx_vif *wlvif, + struct cfg80211_sched_scan_request *req, + struct ieee80211_sched_scan_ies *ies) +{ + struct wl18xx_cmd_scan_params *cmd; + struct wlcore_scan_channels *cmd_channels = NULL; + struct conf_sched_scan_settings *c = &wl->conf.sched_scan; + int ret; + int filter_type; + + wl1271_debug(DEBUG_CMD, "cmd sched_scan scan config"); + + filter_type = wlcore_scan_sched_scan_ssid_list(wl, wlvif, req); + if (filter_type < 0) + return filter_type; + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + cmd->role_id = wlvif->role_id; + + if (WARN_ON(cmd->role_id == WL12XX_INVALID_ROLE_ID)) { + ret = -EINVAL; + goto out; + } + + cmd->scan_type = SCAN_TYPE_PERIODIC; + cmd->rssi_threshold = c->rssi_threshold; + cmd->snr_threshold = c->snr_threshold; + + /* don't filter on BSS type */ + cmd->bss_type = SCAN_BSS_TYPE_ANY; + + cmd->ssid_from_list = 1; + if (filter_type == SCAN_SSID_FILTER_LIST) + cmd->filter = 1; + cmd->add_broadcast = 0; + + cmd->urgency = 0; + cmd->protect = 0; + + cmd->n_probe_reqs = c->num_probe_reqs; + /* don't stop scanning automatically when something is found */ + cmd->terminate_after = 0; + + cmd_channels = kzalloc(sizeof(*cmd_channels), GFP_KERNEL); + if (!cmd_channels) { + ret = -ENOMEM; + goto out; + } + + /* configure channels */ + wlcore_set_scan_chan_params(wl, cmd_channels, req->channels, + req->n_channels, req->n_ssids, + SCAN_TYPE_PERIODIC); + wl18xx_adjust_channels(cmd, cmd_channels); + + cmd->short_cycles_sec = 0; + cmd->long_cycles_sec = cpu_to_le16(req->interval); + cmd->short_cycles_count = 0; + + cmd->total_cycles = 0; + + cmd->tag = WL1271_SCAN_DEFAULT_TAG; + + /* create a PERIODIC_SCAN_REPORT_EVENT whenever we've got a match */ + cmd->report_threshold = 1; + cmd->terminate_on_report = 0; + + if (cmd->active[0]) { + u8 band = IEEE80211_BAND_2GHZ; + ret = wl12xx_cmd_build_probe_req(wl, wlvif, + cmd->role_id, band, + req->ssids ? req->ssids[0].ssid : NULL, + req->ssids ? req->ssids[0].ssid_len : 0, + ies->ie[band], + ies->len[band], + true); + if (ret < 0) { + wl1271_error("2.4GHz PROBE request template failed"); + goto out; + } + } + + if (cmd->active[1] || cmd->dfs) { + u8 band = IEEE80211_BAND_5GHZ; + ret = wl12xx_cmd_build_probe_req(wl, wlvif, + cmd->role_id, band, + req->ssids ? req->ssids[0].ssid : NULL, + req->ssids ? req->ssids[0].ssid_len : 0, + ies->ie[band], + ies->len[band], + true); + if (ret < 0) { + wl1271_error("5GHz PROBE request template failed"); + goto out; + } + } + + wl1271_dump(DEBUG_SCAN, "SCAN: ", cmd, sizeof(*cmd)); + + ret = wl1271_cmd_send(wl, CMD_SCAN, cmd, sizeof(*cmd), 0); + if (ret < 0) { + wl1271_error("SCAN failed"); + goto out; + } + +out: + kfree(cmd_channels); + kfree(cmd); + return ret; +} + +int wl18xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif, + struct cfg80211_sched_scan_request *req, + struct ieee80211_sched_scan_ies *ies) +{ + return wl18xx_scan_sched_scan_config(wl, wlvif, req, ies); +} + +static int __wl18xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif, + u8 scan_type) +{ + struct wl18xx_cmd_scan_stop *stop; + int ret; + + wl1271_debug(DEBUG_CMD, "cmd periodic scan stop"); + + stop = kzalloc(sizeof(*stop), GFP_KERNEL); + if (!stop) { + wl1271_error("failed to alloc memory to send sched scan stop"); + return -ENOMEM; + } + + stop->role_id = wlvif->role_id; + stop->scan_type = scan_type; + + ret = wl1271_cmd_send(wl, CMD_STOP_SCAN, stop, sizeof(*stop), 0); + if (ret < 0) { + wl1271_error("failed to send sched scan stop command"); + goto out_free; + } + +out_free: + kfree(stop); + return ret; +} + +void wl18xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif) +{ + __wl18xx_scan_stop(wl, wlvif, SCAN_TYPE_PERIODIC); +} +int wl18xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif, + struct cfg80211_scan_request *req) +{ + return wl18xx_scan_send(wl, wlvif, req); +} + +int wl18xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif) +{ + return __wl18xx_scan_stop(wl, wlvif, SCAN_TYPE_SEARCH); +} diff --git a/drivers/net/wireless/ti/wl18xx/scan.h b/drivers/net/wireless/ti/wl18xx/scan.h new file mode 100644 index 000000000000..eadee42689d1 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/scan.h @@ -0,0 +1,127 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2012 Texas Instruments. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL18XX_SCAN_H__ +#define __WL18XX_SCAN_H__ + +#include "../wlcore/wlcore.h" +#include "../wlcore/cmd.h" +#include "../wlcore/scan.h" + +struct tracking_ch_params { + struct conn_scan_ch_params channel; + + __le32 bssid_lsb; + __le16 bssid_msb; + + u8 padding[2]; +} __packed; + +/* probe request rate */ +enum +{ + WL18XX_SCAN_RATE_1 = 0, + WL18XX_SCAN_RATE_5_5 = 1, + WL18XX_SCAN_RATE_6 = 2, +}; + +#define WL18XX_MAX_CHANNELS_5GHZ 32 + +struct wl18xx_cmd_scan_params { + struct wl1271_cmd_header header; + + u8 role_id; + u8 scan_type; + + s8 rssi_threshold; /* for filtering (in dBm) */ + s8 snr_threshold; /* for filtering (in dB) */ + + u8 bss_type; /* for filtering */ + u8 ssid_from_list; /* use ssid from configured ssid list */ + u8 filter; /* forward only results with matching ssids */ + + /* + * add broadcast ssid in addition to the configured ssids. + * the driver should add dummy entry for it (?). + */ + u8 add_broadcast; + + u8 urgency; + u8 protect; /* ??? */ + u8 n_probe_reqs; /* Number of probes requests per channel */ + u8 terminate_after; /* early terminate scan operation */ + + u8 passive[SCAN_MAX_BANDS]; /* number of passive scan channels */ + u8 active[SCAN_MAX_BANDS]; /* number of active scan channels */ + u8 dfs; /* number of dfs channels in 5ghz */ + u8 passive_active; /* number of passive before active channels 2.4ghz */ + + __le16 short_cycles_sec; + __le16 long_cycles_sec; + u8 short_cycles_count; + u8 total_cycles; /* 0 - infinite */ + u8 padding[2]; + + union { + struct { + struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ]; + struct conn_scan_ch_params channels_5[WL18XX_MAX_CHANNELS_5GHZ]; + struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ]; + }; + struct tracking_ch_params channels_tracking[WL1271_SCAN_MAX_CHANNELS]; + } ; + + u8 ssid[IEEE80211_MAX_SSID_LEN]; + u8 ssid_len; /* For SCAN_SSID_FILTER_SPECIFIC */ + u8 tag; + u8 rate; + + /* send SCAN_REPORT_EVENT in periodic scans after each cycle + * if number of results >= report_threshold. Must be 0 for + * non periodic scans + */ + u8 report_threshold; + + /* Should periodic scan stop after a report event was created. + * Must be 0 for non periodic scans. + */ + u8 terminate_on_report; + + u8 padding1[3]; +} __packed; + +struct wl18xx_cmd_scan_stop { + struct wl1271_cmd_header header; + + u8 role_id; + u8 scan_type; + u8 padding[2]; +} __packed; + +int wl18xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif, + struct cfg80211_scan_request *req); +int wl18xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif); +void wl18xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif); +int wl18xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif, + struct cfg80211_sched_scan_request *req, + struct ieee80211_sched_scan_ies *ies); +void wl18xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif); +#endif diff --git a/drivers/net/wireless/ti/wl18xx/tx.c b/drivers/net/wireless/ti/wl18xx/tx.c index 5b1fb10d9fd7..57c694396647 100644 --- a/drivers/net/wireless/ti/wl18xx/tx.c +++ b/drivers/net/wireless/ti/wl18xx/tx.c @@ -28,6 +28,49 @@ #include "wl18xx.h" #include "tx.h" +static +void wl18xx_get_last_tx_rate(struct wl1271 *wl, struct ieee80211_vif *vif, + struct ieee80211_tx_rate *rate) +{ + u8 fw_rate = wl->fw_status_2->counters.tx_last_rate; + + if (fw_rate > CONF_HW_RATE_INDEX_MAX) { + wl1271_error("last Tx rate invalid: %d", fw_rate); + rate->idx = 0; + rate->flags = 0; + return; + } + + if (fw_rate <= CONF_HW_RATE_INDEX_54MBPS) { + rate->idx = fw_rate; + rate->flags = 0; + } else { + rate->flags = IEEE80211_TX_RC_MCS; + rate->idx = fw_rate - CONF_HW_RATE_INDEX_MCS0; + + /* SGI modifier is counted as a separate rate */ + if (fw_rate >= CONF_HW_RATE_INDEX_MCS7_SGI) + (rate->idx)--; + if (fw_rate == CONF_HW_RATE_INDEX_MCS15_SGI) + (rate->idx)--; + + /* this also covers the 40Mhz SGI case (= MCS15) */ + if (fw_rate == CONF_HW_RATE_INDEX_MCS7_SGI || + fw_rate == CONF_HW_RATE_INDEX_MCS15_SGI) + rate->flags |= IEEE80211_TX_RC_SHORT_GI; + + if (fw_rate > CONF_HW_RATE_INDEX_MCS7_SGI && vif) { + struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); + if (wlvif->channel_type == NL80211_CHAN_HT40MINUS || + wlvif->channel_type == NL80211_CHAN_HT40PLUS) { + /* adjustment needed for range 0-7 */ + rate->idx -= 8; + rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; + } + } + } +} + static void wl18xx_tx_complete_packet(struct wl1271 *wl, u8 tx_stat_byte) { struct ieee80211_tx_info *info; @@ -44,7 +87,6 @@ static void wl18xx_tx_complete_packet(struct wl1271 *wl, u8 tx_stat_byte) /* a zero bit indicates Tx success */ tx_success = !(tx_stat_byte & BIT(WL18XX_TX_STATUS_STAT_BIT_IDX)); - skb = wl->tx_frames[id]; info = IEEE80211_SKB_CB(skb); @@ -56,11 +98,13 @@ static void wl18xx_tx_complete_packet(struct wl1271 *wl, u8 tx_stat_byte) /* update the TX status info */ if (tx_success && !(info->flags & IEEE80211_TX_CTL_NO_ACK)) info->flags |= IEEE80211_TX_STAT_ACK; + /* + * first pass info->control.vif while it's valid, and then fill out + * the info->status structures + */ + wl18xx_get_last_tx_rate(wl, info->control.vif, &info->status.rates[0]); - /* no real data about Tx completion */ - info->status.rates[0].idx = -1; - info->status.rates[0].count = 0; - info->status.rates[0].flags = 0; + info->status.rates[0].count = 1; /* no data about retries */ info->status.ack_signal = -1; if (!tx_success) diff --git a/drivers/net/wireless/ti/wl18xx/wl18xx.h b/drivers/net/wireless/ti/wl18xx/wl18xx.h index 96a1e438d677..b6739e79efcf 100644 --- a/drivers/net/wireless/ti/wl18xx/wl18xx.h +++ b/drivers/net/wireless/ti/wl18xx/wl18xx.h @@ -26,10 +26,10 @@ /* minimum FW required for driver */ #define WL18XX_CHIP_VER 8 -#define WL18XX_IFTYPE_VER 2 -#define WL18XX_MAJOR_VER 0 -#define WL18XX_SUBTYPE_VER 0 -#define WL18XX_MINOR_VER 100 +#define WL18XX_IFTYPE_VER 5 +#define WL18XX_MAJOR_VER WLCORE_FW_VER_IGNORE +#define WL18XX_SUBTYPE_VER WLCORE_FW_VER_IGNORE +#define WL18XX_MINOR_VER 28 #define WL18XX_CMD_MAX_SIZE 740 @@ -49,8 +49,8 @@ struct wl18xx_priv { /* Index of last released Tx desc in FW */ u8 last_fw_rls_idx; - /* number of VIFs requiring extra spare mem-blocks */ - int extra_spare_vif_count; + /* number of keys requiring extra spare mem-blocks */ + int extra_spare_key_count; }; #define WL18XX_FW_MAX_TX_STATUS_DESC 33 @@ -68,7 +68,43 @@ struct wl18xx_fw_status_priv { */ u8 released_tx_desc[WL18XX_FW_MAX_TX_STATUS_DESC]; - u8 padding[2]; + /* A bitmap representing the currently suspended links. The suspend + * is short lived, for multi-channel Tx requirements. + */ + __le32 link_suspend_bitmap; + + /* packet threshold for an "almost empty" AC, + * for Tx schedulng purposes + */ + u8 tx_ac_threshold; + + /* number of packets to queue up for a link in PS */ + u8 tx_ps_threshold; + + /* number of packet to queue up for a suspended link */ + u8 tx_suspend_threshold; + + /* Should have less than this number of packets in queue of a slow + * link to qualify as high priority link + */ + u8 tx_slow_link_prio_threshold; + + /* Should have less than this number of packets in queue of a fast + * link to qualify as high priority link + */ + u8 tx_fast_link_prio_threshold; + + /* Should have less than this number of packets in queue of a slow + * link before we stop queuing up packets for it. + */ + u8 tx_slow_stop_threshold; + + /* Should have less than this number of packets in queue of a fast + * link before we stop queuing up packets for it. + */ + u8 tx_fast_stop_threshold; + + u8 padding[3]; }; #define WL18XX_PHY_VERSION_MAX_LEN 20 diff --git a/drivers/net/wireless/ti/wlcore/acx.c b/drivers/net/wireless/ti/wlcore/acx.c index ce108a736bd0..c79654323396 100644 --- a/drivers/net/wireless/ti/wlcore/acx.c +++ b/drivers/net/wireless/ti/wlcore/acx.c @@ -1340,6 +1340,8 @@ out: kfree(acx); return ret; } +EXPORT_SYMBOL_GPL(wl1271_acx_set_ht_capabilities); + int wl1271_acx_set_ht_information(struct wl1271 *wl, struct wl12xx_vif *wlvif, @@ -1433,13 +1435,22 @@ int wl12xx_acx_set_ba_receiver_session(struct wl1271 *wl, u8 tid_index, acx->win_size = wl->conf.ht.rx_ba_win_size; acx->ssn = ssn; - ret = wl1271_cmd_configure(wl, ACX_BA_SESSION_RX_SETUP, acx, - sizeof(*acx)); + ret = wlcore_cmd_configure_failsafe(wl, ACX_BA_SESSION_RX_SETUP, acx, + sizeof(*acx), + BIT(CMD_STATUS_NO_RX_BA_SESSION)); if (ret < 0) { wl1271_warning("acx ba receiver session failed: %d", ret); goto out; } + /* sometimes we can't start the session */ + if (ret == CMD_STATUS_NO_RX_BA_SESSION) { + wl1271_warning("no fw rx ba on tid %d", tid_index); + ret = -EBUSY; + goto out; + } + + ret = 0; out: kfree(acx); return ret; diff --git a/drivers/net/wireless/ti/wlcore/acx.h b/drivers/net/wireless/ti/wlcore/acx.h index d03215d6b3bd..126536c6a393 100644 --- a/drivers/net/wireless/ti/wlcore/acx.h +++ b/drivers/net/wireless/ti/wlcore/acx.h @@ -1025,7 +1025,6 @@ enum { ACX_CONFIG_HANGOVER = 0x0042, ACX_FEATURE_CFG = 0x0043, ACX_PROTECTION_CFG = 0x0044, - ACX_CHECKSUM_CONFIG = 0x0045, }; diff --git a/drivers/net/wireless/ti/wlcore/boot.c b/drivers/net/wireless/ti/wlcore/boot.c index 375ea574eafb..b58ae5fc1487 100644 --- a/drivers/net/wireless/ti/wlcore/boot.c +++ b/drivers/net/wireless/ti/wlcore/boot.c @@ -84,47 +84,57 @@ out: static int wlcore_validate_fw_ver(struct wl1271 *wl) { unsigned int *fw_ver = wl->chip.fw_ver; - unsigned int *min_ver = wl->min_fw_ver; + unsigned int *min_ver = (wl->fw_type == WL12XX_FW_TYPE_NORMAL) ? + wl->min_sr_fw_ver : wl->min_mr_fw_ver; + char min_fw_str[32] = ""; + int i; /* the chip must be exactly equal */ - if (min_ver[FW_VER_CHIP] != fw_ver[FW_VER_CHIP]) + if ((min_ver[FW_VER_CHIP] != WLCORE_FW_VER_IGNORE) && + (min_ver[FW_VER_CHIP] != fw_ver[FW_VER_CHIP])) goto fail; - /* always check the next digit if all previous ones are equal */ - - if (min_ver[FW_VER_IF_TYPE] < fw_ver[FW_VER_IF_TYPE]) - goto out; - else if (min_ver[FW_VER_IF_TYPE] > fw_ver[FW_VER_IF_TYPE]) + /* the firmware type must be equal */ + if ((min_ver[FW_VER_IF_TYPE] != WLCORE_FW_VER_IGNORE) && + (min_ver[FW_VER_IF_TYPE] != fw_ver[FW_VER_IF_TYPE])) goto fail; - if (min_ver[FW_VER_MAJOR] < fw_ver[FW_VER_MAJOR]) - goto out; - else if (min_ver[FW_VER_MAJOR] > fw_ver[FW_VER_MAJOR]) + /* the project number must be equal */ + if ((min_ver[FW_VER_SUBTYPE] != WLCORE_FW_VER_IGNORE) && + (min_ver[FW_VER_SUBTYPE] != fw_ver[FW_VER_SUBTYPE])) goto fail; - if (min_ver[FW_VER_SUBTYPE] < fw_ver[FW_VER_SUBTYPE]) - goto out; - else if (min_ver[FW_VER_SUBTYPE] > fw_ver[FW_VER_SUBTYPE]) + /* the API version must be greater or equal */ + if ((min_ver[FW_VER_MAJOR] != WLCORE_FW_VER_IGNORE) && + (min_ver[FW_VER_MAJOR] > fw_ver[FW_VER_MAJOR])) goto fail; - if (min_ver[FW_VER_MINOR] < fw_ver[FW_VER_MINOR]) - goto out; - else if (min_ver[FW_VER_MINOR] > fw_ver[FW_VER_MINOR]) + /* if the API version is equal... */ + if (((min_ver[FW_VER_MAJOR] == WLCORE_FW_VER_IGNORE) || + (min_ver[FW_VER_MAJOR] == fw_ver[FW_VER_MAJOR])) && + /* ...the minor must be greater or equal */ + ((min_ver[FW_VER_MINOR] != WLCORE_FW_VER_IGNORE) && + (min_ver[FW_VER_MINOR] > fw_ver[FW_VER_MINOR]))) goto fail; -out: return 0; fail: - wl1271_error("Your WiFi FW version (%u.%u.%u.%u.%u) is outdated.\n" - "Please use at least FW %u.%u.%u.%u.%u.\n" - "You can get more information at:\n" - "http://wireless.kernel.org/en/users/Drivers/wl12xx", + for (i = 0; i < NUM_FW_VER; i++) + if (min_ver[i] == WLCORE_FW_VER_IGNORE) + snprintf(min_fw_str, sizeof(min_fw_str), + "%s*.", min_fw_str); + else + snprintf(min_fw_str, sizeof(min_fw_str), + "%s%u.", min_fw_str, min_ver[i]); + + wl1271_error("Your WiFi FW version (%u.%u.%u.%u.%u) is invalid.\n" + "Please use at least FW %s\n" + "You can get the latest firmwares at:\n" + "git://github.com/TI-OpenLink/firmwares.git", fw_ver[FW_VER_CHIP], fw_ver[FW_VER_IF_TYPE], fw_ver[FW_VER_MAJOR], fw_ver[FW_VER_SUBTYPE], - fw_ver[FW_VER_MINOR], min_ver[FW_VER_CHIP], - min_ver[FW_VER_IF_TYPE], min_ver[FW_VER_MAJOR], - min_ver[FW_VER_SUBTYPE], min_ver[FW_VER_MINOR]); + fw_ver[FW_VER_MINOR], min_fw_str); return -EINVAL; } @@ -491,7 +501,7 @@ int wlcore_boot_run_firmware(struct wl1271 *wl) if (ret < 0) return ret; - wl->mbox_ptr[1] = wl->mbox_ptr[0] + sizeof(struct event_mailbox); + wl->mbox_ptr[1] = wl->mbox_ptr[0] + wl->mbox_size; wl1271_debug(DEBUG_MAILBOX, "MBOX ptrs: 0x%x 0x%x", wl->mbox_ptr[0], wl->mbox_ptr[1]); @@ -508,23 +518,6 @@ int wlcore_boot_run_firmware(struct wl1271 *wl) */ /* unmask required mbox events */ - wl->event_mask = BSS_LOSE_EVENT_ID | - REGAINED_BSS_EVENT_ID | - SCAN_COMPLETE_EVENT_ID | - ROLE_STOP_COMPLETE_EVENT_ID | - RSSI_SNR_TRIGGER_0_EVENT_ID | - PSPOLL_DELIVERY_FAILURE_EVENT_ID | - SOFT_GEMINI_SENSE_EVENT_ID | - PERIODIC_SCAN_REPORT_EVENT_ID | - PERIODIC_SCAN_COMPLETE_EVENT_ID | - DUMMY_PACKET_EVENT_ID | - PEER_REMOVE_COMPLETE_EVENT_ID | - BA_SESSION_RX_CONSTRAINT_EVENT_ID | - REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID | - INACTIVE_STA_EVENT_ID | - MAX_TX_RETRY_EVENT_ID | - CHANNEL_SWITCH_COMPLETE_EVENT_ID; - ret = wl1271_event_unmask(wl); if (ret < 0) { wl1271_error("EVENT mask setting failed"); diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c index 27f83f72a93b..1201aca9c89a 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.c +++ b/drivers/net/wireless/ti/wlcore/cmd.c @@ -48,14 +48,15 @@ * @id: command id * @buf: buffer containing the command, must work with dma * @len: length of the buffer + * return the cmd status code on success. */ -int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, - size_t res_len) +static int __wlcore_cmd_send(struct wl1271 *wl, u16 id, void *buf, + size_t len, size_t res_len) { struct wl1271_cmd_header *cmd; unsigned long timeout; u32 intr; - int ret = 0; + int ret; u16 status; u16 poll_count = 0; @@ -71,7 +72,7 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, ret = wlcore_write(wl, wl->cmd_box_addr, buf, len, false); if (ret < 0) - goto fail; + return ret; /* * TODO: we just need this because one bit is in a different @@ -79,19 +80,18 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, */ ret = wl->ops->trigger_cmd(wl, wl->cmd_box_addr, buf, len); if (ret < 0) - goto fail; + return ret; timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT); ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); if (ret < 0) - goto fail; + return ret; while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) { if (time_after(jiffies, timeout)) { wl1271_error("command complete timeout"); - ret = -ETIMEDOUT; - goto fail; + return -ETIMEDOUT; } poll_count++; @@ -102,7 +102,7 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); if (ret < 0) - goto fail; + return ret; } /* read back the status code of the command */ @@ -111,33 +111,66 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, ret = wlcore_read(wl, wl->cmd_box_addr, cmd, res_len, false); if (ret < 0) - goto fail; + return ret; status = le16_to_cpu(cmd->status); - if (status != CMD_STATUS_SUCCESS) { - wl1271_error("command execute failure %d", status); - ret = -EIO; - goto fail; - } ret = wlcore_write_reg(wl, REG_INTERRUPT_ACK, WL1271_ACX_INTR_CMD_COMPLETE); if (ret < 0) + return ret; + + return status; +} + +/* + * send command to fw and return cmd status on success + * valid_rets contains a bitmap of allowed error codes + */ +int wlcore_cmd_send_failsafe(struct wl1271 *wl, u16 id, void *buf, size_t len, + size_t res_len, unsigned long valid_rets) +{ + int ret = __wlcore_cmd_send(wl, id, buf, len, res_len); + + if (ret < 0) goto fail; - return 0; + /* success is always a valid status */ + valid_rets |= BIT(CMD_STATUS_SUCCESS); + if (ret >= MAX_COMMAND_STATUS || + !test_bit(ret, &valid_rets)) { + wl1271_error("command execute failure %d", ret); + ret = -EIO; + goto fail; + } + return ret; fail: wl12xx_queue_recovery_work(wl); return ret; } +EXPORT_SYMBOL_GPL(wl1271_cmd_send); + +/* + * wrapper for wlcore_cmd_send that accept only CMD_STATUS_SUCCESS + * return 0 on success. + */ +int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, + size_t res_len) +{ + int ret = wlcore_cmd_send_failsafe(wl, id, buf, len, res_len, 0); + + if (ret < 0) + return ret; + return 0; +} /* * Poll the mailbox event field until any of the bits in the mask is set or a * timeout occurs (WL1271_EVENT_TIMEOUT in msecs) */ -static int wl1271_cmd_wait_for_event_or_timeout(struct wl1271 *wl, - u32 mask, bool *timeout) +int wlcore_cmd_wait_for_event_or_timeout(struct wl1271 *wl, + u32 mask, bool *timeout) { u32 *events_vector; u32 event; @@ -187,20 +220,7 @@ out: kfree(events_vector); return ret; } - -static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask) -{ - int ret; - bool timeout = false; - - ret = wl1271_cmd_wait_for_event_or_timeout(wl, mask, &timeout); - if (ret != 0 || timeout) { - wl12xx_queue_recovery_work(wl); - return ret; - } - - return 0; -} +EXPORT_SYMBOL_GPL(wlcore_cmd_wait_for_event_or_timeout); int wl12xx_cmd_role_enable(struct wl1271 *wl, u8 *addr, u8 role_type, u8 *role_id) @@ -278,6 +298,16 @@ out: return ret; } +static int wlcore_get_new_session_id(struct wl1271 *wl, u8 hlid) +{ + if (wl->session_ids[hlid] >= SESSION_COUNTER_MAX) + wl->session_ids[hlid] = 0; + + wl->session_ids[hlid]++; + + return wl->session_ids[hlid]; +} + int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) { unsigned long flags; @@ -285,12 +315,21 @@ int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) if (link >= WL12XX_MAX_LINKS) return -EBUSY; + wl->session_ids[link] = wlcore_get_new_session_id(wl, link); + /* these bits are used by op_tx */ spin_lock_irqsave(&wl->wl_lock, flags); __set_bit(link, wl->links_map); __set_bit(link, wlvif->links_map); spin_unlock_irqrestore(&wl->wl_lock, flags); + + /* take the last "freed packets" value from the current FW status */ + wl->links[link].prev_freed_pkts = + wl->fw_status_2->counters.tx_lnk_free_pkts[link]; + wl->links[link].wlvif = wlvif; *hlid = link; + + wl->active_link_count++; return 0; } @@ -307,24 +346,21 @@ void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) __clear_bit(*hlid, wlvif->links_map); spin_unlock_irqrestore(&wl->wl_lock, flags); + wl->links[*hlid].allocated_pkts = 0; + wl->links[*hlid].prev_freed_pkts = 0; + wl->links[*hlid].ba_bitmap = 0; + memset(wl->links[*hlid].addr, 0, ETH_ALEN); + /* * At this point op_tx() will not add more packets to the queues. We * can purge them. */ wl1271_tx_reset_link_queues(wl, *hlid); + wl->links[*hlid].wlvif = NULL; *hlid = WL12XX_INVALID_LINK_ID; -} - -static int wl12xx_get_new_session_id(struct wl1271 *wl, - struct wl12xx_vif *wlvif) -{ - if (wlvif->session_counter >= SESSION_COUNTER_MAX) - wlvif->session_counter = 0; - - wlvif->session_counter++; - - return wlvif->session_counter; + wl->active_link_count--; + WARN_ON_ONCE(wl->active_link_count < 0); } static u8 wlcore_get_native_channel_type(u8 nl_channel_type) @@ -345,7 +381,9 @@ static u8 wlcore_get_native_channel_type(u8 nl_channel_type) } static int wl12xx_cmd_role_start_dev(struct wl1271 *wl, - struct wl12xx_vif *wlvif) + struct wl12xx_vif *wlvif, + enum ieee80211_band band, + int channel) { struct wl12xx_cmd_role_start *cmd; int ret; @@ -359,9 +397,9 @@ static int wl12xx_cmd_role_start_dev(struct wl1271 *wl, wl1271_debug(DEBUG_CMD, "cmd role start dev %d", wlvif->dev_role_id); cmd->role_id = wlvif->dev_role_id; - if (wlvif->band == IEEE80211_BAND_5GHZ) + if (band == IEEE80211_BAND_5GHZ) cmd->band = WLCORE_BAND_5GHZ; - cmd->channel = wlvif->channel; + cmd->channel = channel; if (wlvif->dev_hlid == WL12XX_INVALID_LINK_ID) { ret = wl12xx_allocate_link(wl, wlvif, &wlvif->dev_hlid); @@ -369,7 +407,7 @@ static int wl12xx_cmd_role_start_dev(struct wl1271 *wl, goto out_free; } cmd->device.hlid = wlvif->dev_hlid; - cmd->device.session = wl12xx_get_new_session_id(wl, wlvif); + cmd->device.session = wl->session_ids[wlvif->dev_hlid]; wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d", cmd->role_id, cmd->device.hlid, cmd->device.session); @@ -420,12 +458,6 @@ static int wl12xx_cmd_role_stop_dev(struct wl1271 *wl, goto out_free; } - ret = wl1271_cmd_wait_for_event(wl, ROLE_STOP_COMPLETE_EVENT_ID); - if (ret < 0) { - wl1271_error("cmd role stop dev event completion error"); - goto out_free; - } - wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); out_free: @@ -439,6 +471,7 @@ int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); struct wl12xx_cmd_role_start *cmd; + u32 supported_rates; int ret; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); @@ -459,7 +492,14 @@ int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) cmd->sta.ssid_len = wlvif->ssid_len; memcpy(cmd->sta.ssid, wlvif->ssid, wlvif->ssid_len); memcpy(cmd->sta.bssid, vif->bss_conf.bssid, ETH_ALEN); - cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); + + supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES | + wlcore_hw_sta_get_ap_rate_mask(wl, wlvif); + if (wlvif->p2p) + supported_rates &= ~CONF_TX_CCK_RATES; + + cmd->sta.local_rates = cpu_to_le32(supported_rates); + cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { @@ -468,7 +508,11 @@ int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) goto out_free; } cmd->sta.hlid = wlvif->sta.hlid; - cmd->sta.session = wl12xx_get_new_session_id(wl, wlvif); + cmd->sta.session = wl->session_ids[wlvif->sta.hlid]; + /* + * We don't have the correct remote rates in this stage. the rates + * will be reconfigured later, after authorization. + */ cmd->sta.remote_rates = cpu_to_le32(wlvif->rate_set); wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " @@ -482,6 +526,7 @@ int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) goto err_hlid; } + wlvif->sta.role_chan_type = wlvif->channel_type; goto out_free; err_hlid: @@ -500,7 +545,6 @@ int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct wl12xx_cmd_role_stop *cmd; int ret; - bool timeout = false; if (WARN_ON(wlvif->sta.hlid == WL12XX_INVALID_LINK_ID)) return -EINVAL; @@ -523,17 +567,6 @@ int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) goto out_free; } - /* - * Sometimes the firmware doesn't send this event, so we just - * time out without failing. Queue recovery for other - * failures. - */ - ret = wl1271_cmd_wait_for_event_or_timeout(wl, - ROLE_STOP_COMPLETE_EVENT_ID, - &timeout); - if (ret) - wl12xx_queue_recovery_work(wl); - wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); out_free: @@ -579,12 +612,15 @@ int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) cmd->ap.bss_index = WL1271_AP_BSS_INDEX; cmd->ap.global_hlid = wlvif->ap.global_hlid; cmd->ap.broadcast_hlid = wlvif->ap.bcast_hlid; + cmd->ap.global_session_id = wl->session_ids[wlvif->ap.global_hlid]; + cmd->ap.bcast_session_id = wl->session_ids[wlvif->ap.bcast_hlid]; cmd->ap.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); cmd->ap.beacon_interval = cpu_to_le16(wlvif->beacon_int); cmd->ap.dtim_interval = bss_conf->dtim_period; cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP; /* FIXME: Change when adding DFS */ cmd->ap.reset_tsf = 1; /* By default reset AP TSF */ + cmd->ap.wmm = wlvif->wmm_enabled; cmd->channel = wlvif->channel; cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); @@ -599,8 +635,10 @@ int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) memcpy(cmd->ap.ssid, bss_conf->ssid, bss_conf->ssid_len); } - supported_rates = CONF_TX_AP_ENABLED_RATES | CONF_TX_MCS_RATES | + supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES | wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif); + if (wlvif->p2p) + supported_rates &= ~CONF_TX_CCK_RATES; wl1271_debug(DEBUG_CMD, "cmd role start ap with supported_rates 0x%08x", supported_rates); @@ -799,8 +837,11 @@ int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len) * @id: acx id * @buf: buffer containing acx, including all headers, must work with dma * @len: length of buf + * @valid_rets: bitmap of valid cmd status codes (i.e. return values). + * return the cmd status on success. */ -int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len) +int wlcore_cmd_configure_failsafe(struct wl1271 *wl, u16 id, void *buf, + size_t len, unsigned long valid_rets) { struct acx_header *acx = buf; int ret; @@ -812,12 +853,26 @@ int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len) /* payload length, does not include any headers */ acx->len = cpu_to_le16(len - sizeof(*acx)); - ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len, 0); + ret = wlcore_cmd_send_failsafe(wl, CMD_CONFIGURE, acx, len, 0, + valid_rets); if (ret < 0) { wl1271_warning("CONFIGURE command NOK"); return ret; } + return ret; +} + +/* + * wrapper for wlcore_cmd_configure that accepts only success status. + * return 0 on success + */ +int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len) +{ + int ret = wlcore_cmd_configure_failsafe(wl, id, buf, len, 0); + + if (ret < 0) + return ret; return 0; } EXPORT_SYMBOL_GPL(wl1271_cmd_configure); @@ -1034,8 +1089,8 @@ int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct sk_buff *skb; int ret; u32 rate; - u16 template_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4; - u16 template_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5; + u16 template_id_2_4 = wl->scan_templ_id_2_4; + u16 template_id_5 = wl->scan_templ_id_5; skb = ieee80211_probereq_get(wl->hw, vif, ssid, ssid_len, ie_len); @@ -1048,10 +1103,10 @@ int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len); - if (!sched_scan && + if (sched_scan && (wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL)) { - template_id_2_4 = CMD_TEMPL_APP_PROBE_REQ_2_4; - template_id_5 = CMD_TEMPL_APP_PROBE_REQ_5; + template_id_2_4 = wl->sched_scan_templ_id_2_4; + template_id_5 = wl->sched_scan_templ_id_5; } rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); @@ -1068,6 +1123,7 @@ out: dev_kfree_skb(skb); return ret; } +EXPORT_SYMBOL_GPL(wl12xx_cmd_build_probe_req); struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, @@ -1379,7 +1435,8 @@ out: return ret; } -int wl12xx_cmd_set_peer_state(struct wl1271 *wl, u8 hlid) +int wl12xx_cmd_set_peer_state(struct wl1271 *wl, struct wl12xx_vif *wlvif, + u8 hlid) { struct wl12xx_cmd_set_peer_state *cmd; int ret = 0; @@ -1395,6 +1452,10 @@ int wl12xx_cmd_set_peer_state(struct wl1271 *wl, u8 hlid) cmd->hlid = hlid; cmd->state = WL1271_CMD_STA_STATE_CONNECTED; + /* wmm param is valid only for station role */ + if (wlvif->bss_type == BSS_TYPE_STA_BSS) + cmd->wmm = wlvif->wmm_enabled; + ret = wl1271_cmd_send(wl, CMD_SET_PEER_STATE, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to send set peer state command"); @@ -1429,6 +1490,7 @@ int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, cmd->hlid = hlid; cmd->sp_len = sta->max_sp; cmd->wmm = sta->wme ? 1 : 0; + cmd->session_id = wl->session_ids[hlid]; for (i = 0; i < NUM_ACCESS_CATEGORIES_COPY; i++) if (sta->wme && (sta->uapsd_queues & BIT(i))) @@ -1490,9 +1552,10 @@ int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid) goto out_free; } - ret = wl1271_cmd_wait_for_event_or_timeout(wl, - PEER_REMOVE_COMPLETE_EVENT_ID, - &timeout); + ret = wl->ops->wait_for_event(wl, + WLCORE_EVENT_PEER_REMOVE_COMPLETE, + &timeout); + /* * We are ok with a timeout here. The event is sometimes not sent * due to a firmware bug. In case of another error (like SDIO timeout) @@ -1508,6 +1571,131 @@ out: return ret; } +static int wlcore_get_reg_conf_ch_idx(enum ieee80211_band band, u16 ch) +{ + int idx = -1; + + switch (band) { + case IEEE80211_BAND_5GHZ: + if (ch >= 8 && ch <= 16) + idx = ((ch-8)/4 + 18); + else if (ch >= 34 && ch <= 64) + idx = ((ch-34)/2 + 3 + 18); + else if (ch >= 100 && ch <= 140) + idx = ((ch-100)/4 + 15 + 18); + else if (ch >= 149 && ch <= 165) + idx = ((ch-149)/4 + 26 + 18); + else + idx = -1; + break; + case IEEE80211_BAND_2GHZ: + if (ch >= 1 && ch <= 14) + idx = ch - 1; + else + idx = -1; + break; + default: + wl1271_error("get reg conf ch idx - unknown band: %d", + (int)band); + } + + return idx; +} + +void wlcore_set_pending_regdomain_ch(struct wl1271 *wl, u16 channel, + enum ieee80211_band band) +{ + int ch_bit_idx = 0; + + if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) + return; + + ch_bit_idx = wlcore_get_reg_conf_ch_idx(band, channel); + + if (ch_bit_idx > 0 && ch_bit_idx <= WL1271_MAX_CHANNELS) + set_bit(ch_bit_idx, (long *)wl->reg_ch_conf_pending); +} + +int wlcore_cmd_regdomain_config_locked(struct wl1271 *wl) +{ + struct wl12xx_cmd_regdomain_dfs_config *cmd = NULL; + int ret = 0, i, b, ch_bit_idx; + struct ieee80211_channel *channel; + u32 tmp_ch_bitmap[2]; + u16 ch; + struct wiphy *wiphy = wl->hw->wiphy; + struct ieee80211_supported_band *band; + bool timeout = false; + + if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) + return 0; + + wl1271_debug(DEBUG_CMD, "cmd reg domain config"); + + memset(tmp_ch_bitmap, 0, sizeof(tmp_ch_bitmap)); + + for (b = IEEE80211_BAND_2GHZ; b <= IEEE80211_BAND_5GHZ; b++) { + band = wiphy->bands[b]; + for (i = 0; i < band->n_channels; i++) { + channel = &band->channels[i]; + ch = channel->hw_value; + + if (channel->flags & (IEEE80211_CHAN_DISABLED | + IEEE80211_CHAN_RADAR | + IEEE80211_CHAN_PASSIVE_SCAN)) + continue; + + ch_bit_idx = wlcore_get_reg_conf_ch_idx(b, ch); + if (ch_bit_idx < 0) + continue; + + set_bit(ch_bit_idx, (long *)tmp_ch_bitmap); + } + } + + tmp_ch_bitmap[0] |= wl->reg_ch_conf_pending[0]; + tmp_ch_bitmap[1] |= wl->reg_ch_conf_pending[1]; + + if (!memcmp(tmp_ch_bitmap, wl->reg_ch_conf_last, sizeof(tmp_ch_bitmap))) + goto out; + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + cmd->ch_bit_map1 = cpu_to_le32(tmp_ch_bitmap[0]); + cmd->ch_bit_map2 = cpu_to_le32(tmp_ch_bitmap[1]); + + wl1271_debug(DEBUG_CMD, + "cmd reg domain bitmap1: 0x%08x, bitmap2: 0x%08x", + cmd->ch_bit_map1, cmd->ch_bit_map2); + + ret = wl1271_cmd_send(wl, CMD_DFS_CHANNEL_CONFIG, cmd, sizeof(*cmd), 0); + if (ret < 0) { + wl1271_error("failed to send reg domain dfs config"); + goto out; + } + + ret = wl->ops->wait_for_event(wl, + WLCORE_EVENT_DFS_CONFIG_COMPLETE, + &timeout); + if (ret < 0 || timeout) { + wl1271_error("reg domain conf %serror", + timeout ? "completion " : ""); + ret = timeout ? -ETIMEDOUT : ret; + goto out; + } + + memcpy(wl->reg_ch_conf_last, tmp_ch_bitmap, sizeof(tmp_ch_bitmap)); + memset(wl->reg_ch_conf_pending, 0, sizeof(wl->reg_ch_conf_pending)); + +out: + kfree(cmd); + return ret; +} + int wl12xx_cmd_config_fwlog(struct wl1271 *wl) { struct wl12xx_cmd_config_fwlog *cmd; @@ -1593,12 +1781,12 @@ out: } static int wl12xx_cmd_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, - u8 role_id) + u8 role_id, enum ieee80211_band band, u8 channel) { struct wl12xx_cmd_roc *cmd; int ret = 0; - wl1271_debug(DEBUG_CMD, "cmd roc %d (%d)", wlvif->channel, role_id); + wl1271_debug(DEBUG_CMD, "cmd roc %d (%d)", channel, role_id); if (WARN_ON(role_id == WL12XX_INVALID_ROLE_ID)) return -EINVAL; @@ -1610,8 +1798,8 @@ static int wl12xx_cmd_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, } cmd->role_id = role_id; - cmd->channel = wlvif->channel; - switch (wlvif->band) { + cmd->channel = channel; + switch (band) { case IEEE80211_BAND_2GHZ: cmd->band = WLCORE_BAND_2_4GHZ; break; @@ -1666,30 +1854,18 @@ out: return ret; } -int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id) +int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id, + enum ieee80211_band band, u8 channel) { int ret = 0; - bool is_first_roc; if (WARN_ON(test_bit(role_id, wl->roc_map))) return 0; - is_first_roc = (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= - WL12XX_MAX_ROLES); - - ret = wl12xx_cmd_roc(wl, wlvif, role_id); + ret = wl12xx_cmd_roc(wl, wlvif, role_id, band, channel); if (ret < 0) goto out; - if (is_first_roc) { - ret = wl1271_cmd_wait_for_event(wl, - REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID); - if (ret < 0) { - wl1271_error("cmd roc event completion error"); - goto out; - } - } - __set_bit(role_id, wl->roc_map); out: return ret; @@ -1719,43 +1895,7 @@ out: return ret; } -int wl12xx_cmd_channel_switch(struct wl1271 *wl, - struct wl12xx_vif *wlvif, - struct ieee80211_channel_switch *ch_switch) -{ - struct wl12xx_cmd_channel_switch *cmd; - int ret; - - wl1271_debug(DEBUG_ACX, "cmd channel switch"); - - cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); - if (!cmd) { - ret = -ENOMEM; - goto out; - } - - cmd->role_id = wlvif->role_id; - cmd->channel = ch_switch->channel->hw_value; - cmd->switch_time = ch_switch->count; - cmd->stop_tx = ch_switch->block_tx; - - /* FIXME: control from mac80211 in the future */ - cmd->post_switch_tx_disable = 0; /* Enable TX on the target channel */ - - ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0); - if (ret < 0) { - wl1271_error("failed to send channel switch command"); - goto out_free; - } - -out_free: - kfree(cmd); - -out: - return ret; -} - -int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl) +int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct wl12xx_cmd_stop_channel_switch *cmd; int ret; @@ -1768,6 +1908,8 @@ int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl) goto out; } + cmd->role_id = wlvif->role_id; + ret = wl1271_cmd_send(wl, CMD_STOP_CHANNEL_SWICTH, cmd, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("failed to stop channel switch command"); @@ -1782,7 +1924,8 @@ out: } /* start dev role and roc on its channel */ -int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) +int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif, + enum ieee80211_band band, int channel) { int ret; @@ -1797,11 +1940,11 @@ int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) if (ret < 0) goto out; - ret = wl12xx_cmd_role_start_dev(wl, wlvif); + ret = wl12xx_cmd_role_start_dev(wl, wlvif, band, channel); if (ret < 0) goto out_disable; - ret = wl12xx_roc(wl, wlvif, wlvif->dev_role_id); + ret = wl12xx_roc(wl, wlvif, wlvif->dev_role_id, band, channel); if (ret < 0) goto out_stop; diff --git a/drivers/net/wireless/ti/wlcore/cmd.h b/drivers/net/wireless/ti/wlcore/cmd.h index 2409f3d71f63..fd34123047cd 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.h +++ b/drivers/net/wireless/ti/wlcore/cmd.h @@ -31,6 +31,8 @@ struct acx_header; int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, size_t res_len); +int wlcore_cmd_send_failsafe(struct wl1271 *wl, u16 id, void *buf, size_t len, + size_t res_len, unsigned long valid_rets); int wl12xx_cmd_role_enable(struct wl1271 *wl, u8 *addr, u8 role_type, u8 *role_id); int wl12xx_cmd_role_disable(struct wl1271 *wl, u8 *role_id); @@ -39,11 +41,14 @@ int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif); int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif); int wl12xx_cmd_role_stop_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif); int wl12xx_cmd_role_start_ibss(struct wl1271 *wl, struct wl12xx_vif *wlvif); -int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif); +int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif, + enum ieee80211_band band, int channel); int wl12xx_stop_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif); int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer); int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len); int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len); +int wlcore_cmd_configure_failsafe(struct wl1271 *wl, u16 id, void *buf, + size_t len, unsigned long valid_rets); int wl1271_cmd_data_path(struct wl1271 *wl, bool enable); int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 ps_mode, u16 auto_ps_timeout); @@ -75,22 +80,30 @@ int wl1271_cmd_set_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, u16 action, u8 id, u8 key_type, u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32, u16 tx_seq_16); -int wl12xx_cmd_set_peer_state(struct wl1271 *wl, u8 hlid); -int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id); +int wl12xx_cmd_set_peer_state(struct wl1271 *wl, struct wl12xx_vif *wlvif, + u8 hlid); +int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id, + enum ieee80211_band band, u8 channel); int wl12xx_croc(struct wl1271 *wl, u8 role_id); int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct ieee80211_sta *sta, u8 hlid); int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid); +void wlcore_set_pending_regdomain_ch(struct wl1271 *wl, u16 channel, + enum ieee80211_band band); +int wlcore_cmd_regdomain_config_locked(struct wl1271 *wl); int wl12xx_cmd_config_fwlog(struct wl1271 *wl); int wl12xx_cmd_start_fwlog(struct wl1271 *wl); int wl12xx_cmd_stop_fwlog(struct wl1271 *wl); int wl12xx_cmd_channel_switch(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct ieee80211_channel_switch *ch_switch); -int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl); +int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl, + struct wl12xx_vif *wlvif); int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid); void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid); +int wlcore_cmd_wait_for_event_or_timeout(struct wl1271 *wl, + u32 mask, bool *timeout); enum wl1271_commands { CMD_INTERROGATE = 1, /* use this to read information elements */ @@ -149,8 +162,11 @@ enum wl1271_commands { CMD_WFD_START_DISCOVERY = 45, CMD_WFD_STOP_DISCOVERY = 46, CMD_WFD_ATTRIBUTE_CONFIG = 47, - CMD_NOP = 48, - CMD_LAST_COMMAND, + CMD_GENERIC_CFG = 48, + CMD_NOP = 49, + + /* start of 18xx specific commands */ + CMD_DFS_CHANNEL_CONFIG = 60, MAX_COMMAND_ID = 0xFFFF, }; @@ -167,8 +183,8 @@ enum cmd_templ { CMD_TEMPL_PS_POLL, CMD_TEMPL_KLV, CMD_TEMPL_DISCONNECT, - CMD_TEMPL_APP_PROBE_REQ_2_4, - CMD_TEMPL_APP_PROBE_REQ_5, + CMD_TEMPL_APP_PROBE_REQ_2_4_LEGACY, + CMD_TEMPL_APP_PROBE_REQ_5_LEGACY, CMD_TEMPL_BAR, /* for firmware internal use only */ CMD_TEMPL_CTS, /* * For CTS-to-self (FastCTS) mechanism @@ -179,6 +195,8 @@ enum cmd_templ { CMD_TEMPL_DEAUTH_AP, CMD_TEMPL_TEMPORARY, CMD_TEMPL_LINK_MEASUREMENT_REPORT, + CMD_TEMPL_PROBE_REQ_2_4_PERIODIC, + CMD_TEMPL_PROBE_REQ_5_PERIODIC, CMD_TEMPL_MAX = 0xff }; @@ -220,7 +238,8 @@ enum { CMD_STATUS_FW_RESET = 22, /* Driver internal use.*/ CMD_STATUS_TEMPLATE_OOM = 23, CMD_STATUS_NO_RX_BA_SESSION = 24, - MAX_COMMAND_STATUS = 0xff + + MAX_COMMAND_STATUS }; #define CMDMBOX_HEADER_LEN 4 @@ -345,7 +364,15 @@ struct wl12xx_cmd_role_start { u8 reset_tsf; - u8 padding_1[4]; + /* + * ap supports wmm (note that there is additional + * per-sta wmm configuration) + */ + u8 wmm; + + u8 bcast_session_id; + u8 global_session_id; + u8 padding_1[1]; } __packed ap; }; } __packed; @@ -515,7 +542,14 @@ struct wl12xx_cmd_set_peer_state { u8 hlid; u8 state; - u8 padding[2]; + + /* + * wmm is relevant for sta role only. + * ap role configures the per-sta wmm params in + * the add_peer command. + */ + u8 wmm; + u8 padding[1]; } __packed; struct wl12xx_cmd_roc { @@ -558,7 +592,7 @@ struct wl12xx_cmd_add_peer { u8 bss_index; u8 sp_len; u8 wmm; - u8 padding1; + u8 session_id; } __packed; struct wl12xx_cmd_remove_peer { @@ -597,6 +631,13 @@ enum wl12xx_fwlogger_output { WL12XX_FWLOG_OUTPUT_HOST, }; +struct wl12xx_cmd_regdomain_dfs_config { + struct wl1271_cmd_header header; + + __le32 ch_bit_map1; + __le32 ch_bit_map2; +} __packed; + struct wl12xx_cmd_config_fwlog { struct wl1271_cmd_header header; @@ -626,27 +667,13 @@ struct wl12xx_cmd_stop_fwlog { struct wl1271_cmd_header header; } __packed; -struct wl12xx_cmd_channel_switch { +struct wl12xx_cmd_stop_channel_switch { struct wl1271_cmd_header header; u8 role_id; - - /* The new serving channel */ - u8 channel; - /* Relative time of the serving channel switch in TBTT units */ - u8 switch_time; - /* Stop the role TX, should expect it after radar detection */ - u8 stop_tx; - /* The target channel tx status 1-stopped 0-open*/ - u8 post_switch_tx_disable; - u8 padding[3]; } __packed; -struct wl12xx_cmd_stop_channel_switch { - struct wl1271_cmd_header header; -} __packed; - /* Used to check radio status after calibration */ #define MAX_TLV_LENGTH 500 #define TEST_CMD_P2G_CAL 2 /* TX BiP */ diff --git a/drivers/net/wireless/ti/wlcore/conf.h b/drivers/net/wireless/ti/wlcore/conf.h index 9e40760bafe1..2b96ff821341 100644 --- a/drivers/net/wireless/ti/wlcore/conf.h +++ b/drivers/net/wireless/ti/wlcore/conf.h @@ -57,20 +57,49 @@ enum { }; enum { - CONF_HW_RATE_INDEX_1MBPS = 0, - CONF_HW_RATE_INDEX_2MBPS = 1, - CONF_HW_RATE_INDEX_5_5MBPS = 2, - CONF_HW_RATE_INDEX_6MBPS = 3, - CONF_HW_RATE_INDEX_9MBPS = 4, - CONF_HW_RATE_INDEX_11MBPS = 5, - CONF_HW_RATE_INDEX_12MBPS = 6, - CONF_HW_RATE_INDEX_18MBPS = 7, - CONF_HW_RATE_INDEX_22MBPS = 8, - CONF_HW_RATE_INDEX_24MBPS = 9, - CONF_HW_RATE_INDEX_36MBPS = 10, - CONF_HW_RATE_INDEX_48MBPS = 11, - CONF_HW_RATE_INDEX_54MBPS = 12, - CONF_HW_RATE_INDEX_MAX = CONF_HW_RATE_INDEX_54MBPS, + CONF_HW_RATE_INDEX_1MBPS = 0, + CONF_HW_RATE_INDEX_2MBPS = 1, + CONF_HW_RATE_INDEX_5_5MBPS = 2, + CONF_HW_RATE_INDEX_11MBPS = 3, + CONF_HW_RATE_INDEX_6MBPS = 4, + CONF_HW_RATE_INDEX_9MBPS = 5, + CONF_HW_RATE_INDEX_12MBPS = 6, + CONF_HW_RATE_INDEX_18MBPS = 7, + CONF_HW_RATE_INDEX_24MBPS = 8, + CONF_HW_RATE_INDEX_36MBPS = 9, + CONF_HW_RATE_INDEX_48MBPS = 10, + CONF_HW_RATE_INDEX_54MBPS = 11, + CONF_HW_RATE_INDEX_MCS0 = 12, + CONF_HW_RATE_INDEX_MCS1 = 13, + CONF_HW_RATE_INDEX_MCS2 = 14, + CONF_HW_RATE_INDEX_MCS3 = 15, + CONF_HW_RATE_INDEX_MCS4 = 16, + CONF_HW_RATE_INDEX_MCS5 = 17, + CONF_HW_RATE_INDEX_MCS6 = 18, + CONF_HW_RATE_INDEX_MCS7 = 19, + CONF_HW_RATE_INDEX_MCS7_SGI = 20, + CONF_HW_RATE_INDEX_MCS0_40MHZ = 21, + CONF_HW_RATE_INDEX_MCS1_40MHZ = 22, + CONF_HW_RATE_INDEX_MCS2_40MHZ = 23, + CONF_HW_RATE_INDEX_MCS3_40MHZ = 24, + CONF_HW_RATE_INDEX_MCS4_40MHZ = 25, + CONF_HW_RATE_INDEX_MCS5_40MHZ = 26, + CONF_HW_RATE_INDEX_MCS6_40MHZ = 27, + CONF_HW_RATE_INDEX_MCS7_40MHZ = 28, + CONF_HW_RATE_INDEX_MCS7_40MHZ_SGI = 29, + + /* MCS8+ rates overlap with 40Mhz rates */ + CONF_HW_RATE_INDEX_MCS8 = 21, + CONF_HW_RATE_INDEX_MCS9 = 22, + CONF_HW_RATE_INDEX_MCS10 = 23, + CONF_HW_RATE_INDEX_MCS11 = 24, + CONF_HW_RATE_INDEX_MCS12 = 25, + CONF_HW_RATE_INDEX_MCS13 = 26, + CONF_HW_RATE_INDEX_MCS14 = 27, + CONF_HW_RATE_INDEX_MCS15 = 28, + CONF_HW_RATE_INDEX_MCS15_SGI = 29, + + CONF_HW_RATE_INDEX_MAX = CONF_HW_RATE_INDEX_MCS7_40MHZ_SGI, }; #define CONF_HW_RXTX_RATE_UNSUPPORTED 0xff @@ -415,11 +444,11 @@ struct conf_rx_settings { #define CONF_TX_RATE_MASK_BASIC_P2P CONF_HW_BIT_RATE_6MBPS /* - * Rates supported for data packets when operating as AP. Note the absence + * Rates supported for data packets when operating as STA/AP. Note the absence * of the 22Mbps rate. There is a FW limitation on 12 rates so we must drop * one. The rate dropped is not mandatory under any operating mode. */ -#define CONF_TX_AP_ENABLED_RATES (CONF_HW_BIT_RATE_1MBPS | \ +#define CONF_TX_ENABLED_RATES (CONF_HW_BIT_RATE_1MBPS | \ CONF_HW_BIT_RATE_2MBPS | CONF_HW_BIT_RATE_5_5MBPS | \ CONF_HW_BIT_RATE_6MBPS | CONF_HW_BIT_RATE_9MBPS | \ CONF_HW_BIT_RATE_11MBPS | CONF_HW_BIT_RATE_12MBPS | \ @@ -677,6 +706,18 @@ struct conf_tx_settings { /* Time in ms for Tx watchdog timer to expire */ u32 tx_watchdog_timeout; + + /* + * when a slow link has this much packets pending, it becomes a low + * priority link, scheduling-wise + */ + u8 slow_link_thold; + + /* + * when a fast link has this much packets pending, it becomes a low + * priority link, scheduling-wise + */ + u8 fast_link_thold; } __packed; enum { @@ -1047,6 +1088,7 @@ struct conf_roam_trigger_settings { struct conf_scan_settings { /* * The minimum time to wait on each channel for active scans + * This value will be used whenever there's a connected interface. * * Range: u32 tu/1000 */ @@ -1054,24 +1096,37 @@ struct conf_scan_settings { /* * The maximum time to wait on each channel for active scans + * This value will be currently used whenever there's a + * connected interface. It shouldn't exceed 30000 (~30ms) to avoid + * possible interference of voip traffic going on while scanning. * * Range: u32 tu/1000 */ u32 max_dwell_time_active; - /* - * The minimum time to wait on each channel for passive scans + /* The minimum time to wait on each channel for active scans + * when it's possible to have longer scan dwell times. + * Currently this is used whenever we're idle on all interfaces. + * Longer dwell times improve detection of networks within a + * single scan. * * Range: u32 tu/1000 */ - u32 min_dwell_time_passive; + u32 min_dwell_time_active_long; - /* - * The maximum time to wait on each channel for passive scans + /* The maximum time to wait on each channel for active scans + * when it's possible to have longer scan dwell times. + * See min_dwell_time_active_long * * Range: u32 tu/1000 */ - u32 max_dwell_time_passive; + u32 max_dwell_time_active_long; + + /* time to wait on the channel for passive scans (in TU/1000) */ + u32 dwell_time_passive; + + /* time to wait on the channel for DFS scans (in TU/1000) */ + u32 dwell_time_dfs; /* * Number of probe requests to transmit on each active scan channel @@ -1276,12 +1331,20 @@ struct conf_hangover_settings { u8 window_size; } __packed; +struct conf_recovery_settings { + /* BUG() on fw recovery */ + u8 bug_on_recovery; + + /* Prevent HW recovery. FW will remain stuck. */ + u8 no_recovery; +} __packed; + /* * The conf version consists of 4 bytes. The two MSB are the wlcore * version, the two LSB are the lower driver's private conf * version. */ -#define WLCORE_CONF_VERSION (0x0002 << 16) +#define WLCORE_CONF_VERSION (0x0005 << 16) #define WLCORE_CONF_MASK 0xffff0000 #define WLCORE_CONF_SIZE (sizeof(struct wlcore_conf_header) + \ sizeof(struct wlcore_conf)) @@ -1309,6 +1372,7 @@ struct wlcore_conf { struct conf_fwlog fwlog; struct conf_rate_policy_settings rate; struct conf_hangover_settings hangover; + struct conf_recovery_settings recovery; } __packed; struct wlcore_conf_file { diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c index c86bb00c2488..e70a7c864865 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.c +++ b/drivers/net/wireless/ti/wlcore/debugfs.c @@ -490,7 +490,7 @@ static ssize_t driver_state_read(struct file *file, char __user *user_buf, DRIVER_STATE_PRINT_HEX(chip.id); DRIVER_STATE_PRINT_STR(chip.fw_ver_str); DRIVER_STATE_PRINT_STR(chip.phy_fw_ver_str); - DRIVER_STATE_PRINT_INT(sched_scanning); + DRIVER_STATE_PRINT_INT(recovery_count); #undef DRIVER_STATE_PRINT_INT #undef DRIVER_STATE_PRINT_LONG @@ -560,7 +560,6 @@ static ssize_t vifs_state_read(struct file *file, char __user *user_buf, if (wlvif->bss_type == BSS_TYPE_STA_BSS || wlvif->bss_type == BSS_TYPE_IBSS) { VIF_STATE_PRINT_INT(sta.hlid); - VIF_STATE_PRINT_INT(sta.ba_rx_bitmap); VIF_STATE_PRINT_INT(sta.basic_rate_idx); VIF_STATE_PRINT_INT(sta.ap_rate_idx); VIF_STATE_PRINT_INT(sta.p2p_rate_idx); @@ -577,6 +576,10 @@ static ssize_t vifs_state_read(struct file *file, char __user *user_buf, VIF_STATE_PRINT_INT(ap.ucast_rate_idx[3]); } VIF_STATE_PRINT_INT(last_tx_hlid); + VIF_STATE_PRINT_INT(tx_queue_count[0]); + VIF_STATE_PRINT_INT(tx_queue_count[1]); + VIF_STATE_PRINT_INT(tx_queue_count[2]); + VIF_STATE_PRINT_INT(tx_queue_count[3]); VIF_STATE_PRINT_LHEX(links_map[0]); VIF_STATE_PRINT_NSTR(ssid, wlvif->ssid_len); VIF_STATE_PRINT_INT(band); @@ -589,7 +592,6 @@ static ssize_t vifs_state_read(struct file *file, char __user *user_buf, VIF_STATE_PRINT_INT(beacon_int); VIF_STATE_PRINT_INT(default_key); VIF_STATE_PRINT_INT(aid); - VIF_STATE_PRINT_INT(session_counter); VIF_STATE_PRINT_INT(psm_entry_retry); VIF_STATE_PRINT_INT(power_level); VIF_STATE_PRINT_INT(rssi_thold); @@ -993,7 +995,7 @@ static ssize_t sleep_auth_write(struct file *file, return -EINVAL; } - if (value < 0 || value > WL1271_PSM_MAX) { + if (value > WL1271_PSM_MAX) { wl1271_warning("sleep_auth must be between 0 and %d", WL1271_PSM_MAX); return -ERANGE; diff --git a/drivers/net/wireless/ti/wlcore/event.c b/drivers/net/wireless/ti/wlcore/event.c index 48907054d493..70f289aa1bc6 100644 --- a/drivers/net/wireless/ti/wlcore/event.c +++ b/drivers/net/wireless/ti/wlcore/event.c @@ -29,34 +29,39 @@ #include "scan.h" #include "wl12xx_80211.h" -static void wl1271_event_rssi_trigger(struct wl1271 *wl, - struct wl12xx_vif *wlvif, - struct event_mailbox *mbox) +void wlcore_event_rssi_trigger(struct wl1271 *wl, s8 *metric_arr) { - struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); + struct wl12xx_vif *wlvif; + struct ieee80211_vif *vif; enum nl80211_cqm_rssi_threshold_event event; - s8 metric = mbox->rssi_snr_trigger_metric[0]; + s8 metric = metric_arr[0]; wl1271_debug(DEBUG_EVENT, "RSSI trigger metric: %d", metric); - if (metric <= wlvif->rssi_thold) - event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; - else - event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH; - - if (event != wlvif->last_rssi_event) - ieee80211_cqm_rssi_notify(vif, event, GFP_KERNEL); - wlvif->last_rssi_event = event; + /* TODO: check actual multi-role support */ + wl12xx_for_each_wlvif_sta(wl, wlvif) { + if (metric <= wlvif->rssi_thold) + event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; + else + event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH; + + vif = wl12xx_wlvif_to_vif(wlvif); + if (event != wlvif->last_rssi_event) + ieee80211_cqm_rssi_notify(vif, event, GFP_KERNEL); + wlvif->last_rssi_event = event; + } } +EXPORT_SYMBOL_GPL(wlcore_event_rssi_trigger); static void wl1271_stop_ba_event(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); if (wlvif->bss_type != BSS_TYPE_AP_BSS) { - if (!wlvif->sta.ba_rx_bitmap) + u8 hlid = wlvif->sta.hlid; + if (!wl->links[hlid].ba_bitmap) return; - ieee80211_stop_rx_ba_session(vif, wlvif->sta.ba_rx_bitmap, + ieee80211_stop_rx_ba_session(vif, wl->links[hlid].ba_bitmap, vif->bss_conf.bssid); } else { u8 hlid; @@ -74,8 +79,7 @@ static void wl1271_stop_ba_event(struct wl1271 *wl, struct wl12xx_vif *wlvif) } } -static void wl12xx_event_soft_gemini_sense(struct wl1271 *wl, - u8 enable) +void wlcore_event_soft_gemini_sense(struct wl1271 *wl, u8 enable) { struct wl12xx_vif *wlvif; @@ -87,201 +91,169 @@ static void wl12xx_event_soft_gemini_sense(struct wl1271 *wl, wl1271_recalc_rx_streaming(wl, wlvif); } } - } +EXPORT_SYMBOL_GPL(wlcore_event_soft_gemini_sense); -static void wl1271_event_mbox_dump(struct event_mailbox *mbox) +void wlcore_event_sched_scan_completed(struct wl1271 *wl, + u8 status) { - wl1271_debug(DEBUG_EVENT, "MBOX DUMP:"); - wl1271_debug(DEBUG_EVENT, "\tvector: 0x%x", mbox->events_vector); - wl1271_debug(DEBUG_EVENT, "\tmask: 0x%x", mbox->events_mask); + wl1271_debug(DEBUG_EVENT, "PERIODIC_SCAN_COMPLETE_EVENT (status 0x%0x)", + status); + + if (wl->sched_vif) { + ieee80211_sched_scan_stopped(wl->hw); + wl->sched_vif = NULL; + } } +EXPORT_SYMBOL_GPL(wlcore_event_sched_scan_completed); -static int wl1271_event_process(struct wl1271 *wl) +void wlcore_event_ba_rx_constraint(struct wl1271 *wl, + unsigned long roles_bitmap, + unsigned long allowed_bitmap) { - struct event_mailbox *mbox = wl->mbox; - struct ieee80211_vif *vif; struct wl12xx_vif *wlvif; - u32 vector; - bool disconnect_sta = false; - unsigned long sta_bitmap = 0; - int ret; - - wl1271_event_mbox_dump(mbox); - - vector = le32_to_cpu(mbox->events_vector); - vector &= ~(le32_to_cpu(mbox->events_mask)); - wl1271_debug(DEBUG_EVENT, "vector: 0x%x", vector); - if (vector & SCAN_COMPLETE_EVENT_ID) { - wl1271_debug(DEBUG_EVENT, "status: 0x%x", - mbox->scheduled_scan_status); - - wl1271_scan_stm(wl, wl->scan_vif); - } + wl1271_debug(DEBUG_EVENT, "%s: roles=0x%lx allowed=0x%lx", + __func__, roles_bitmap, allowed_bitmap); - if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) { - wl1271_debug(DEBUG_EVENT, "PERIODIC_SCAN_REPORT_EVENT " - "(status 0x%0x)", mbox->scheduled_scan_status); + wl12xx_for_each_wlvif(wl, wlvif) { + if (wlvif->role_id == WL12XX_INVALID_ROLE_ID || + !test_bit(wlvif->role_id , &roles_bitmap)) + continue; - wl1271_scan_sched_scan_results(wl); + wlvif->ba_allowed = !!test_bit(wlvif->role_id, + &allowed_bitmap); + if (!wlvif->ba_allowed) + wl1271_stop_ba_event(wl, wlvif); } +} +EXPORT_SYMBOL_GPL(wlcore_event_ba_rx_constraint); - if (vector & PERIODIC_SCAN_COMPLETE_EVENT_ID) { - wl1271_debug(DEBUG_EVENT, "PERIODIC_SCAN_COMPLETE_EVENT " - "(status 0x%0x)", mbox->scheduled_scan_status); - if (wl->sched_scanning) { - ieee80211_sched_scan_stopped(wl->hw); - wl->sched_scanning = false; - } - } +void wlcore_event_channel_switch(struct wl1271 *wl, + unsigned long roles_bitmap, + bool success) +{ + struct wl12xx_vif *wlvif; + struct ieee80211_vif *vif; - if (vector & SOFT_GEMINI_SENSE_EVENT_ID) - wl12xx_event_soft_gemini_sense(wl, - mbox->soft_gemini_sense_info); + wl1271_debug(DEBUG_EVENT, "%s: roles=0x%lx success=%d", + __func__, roles_bitmap, success); - /* - * We are HW_MONITOR device. On beacon loss - queue - * connection loss work. Cancel it on REGAINED event. - */ - if (vector & BSS_LOSE_EVENT_ID) { - /* TODO: check for multi-role */ - int delay = wl->conf.conn.synch_fail_thold * - wl->conf.conn.bss_lose_timeout; - wl1271_info("Beacon loss detected."); + wl12xx_for_each_wlvif_sta(wl, wlvif) { + if (wlvif->role_id == WL12XX_INVALID_ROLE_ID || + !test_bit(wlvif->role_id , &roles_bitmap)) + continue; - /* - * if the work is already queued, it should take place. We - * don't want to delay the connection loss indication - * any more. - */ - ieee80211_queue_delayed_work(wl->hw, &wl->connection_loss_work, - msecs_to_jiffies(delay)); + if (!test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, + &wlvif->flags)) + continue; - wl12xx_for_each_wlvif_sta(wl, wlvif) { - vif = wl12xx_wlvif_to_vif(wlvif); + vif = wl12xx_wlvif_to_vif(wlvif); - ieee80211_cqm_rssi_notify( - vif, - NL80211_CQM_RSSI_BEACON_LOSS_EVENT, - GFP_KERNEL); - } + ieee80211_chswitch_done(vif, success); + cancel_delayed_work(&wlvif->channel_switch_work); } +} +EXPORT_SYMBOL_GPL(wlcore_event_channel_switch); - if (vector & REGAINED_BSS_EVENT_ID) { - /* TODO: check for multi-role */ - wl1271_info("Beacon regained."); - cancel_delayed_work(&wl->connection_loss_work); - - /* sanity check - we can't lose and gain the beacon together */ - WARN(vector & BSS_LOSE_EVENT_ID, - "Concurrent beacon loss and gain from FW"); - } +void wlcore_event_dummy_packet(struct wl1271 *wl) +{ + wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID"); + wl1271_tx_dummy_packet(wl); +} +EXPORT_SYMBOL_GPL(wlcore_event_dummy_packet); - if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) { - /* TODO: check actual multi-role support */ - wl1271_debug(DEBUG_EVENT, "RSSI_SNR_TRIGGER_0_EVENT"); - wl12xx_for_each_wlvif_sta(wl, wlvif) { - wl1271_event_rssi_trigger(wl, wlvif, mbox); +static void wlcore_disconnect_sta(struct wl1271 *wl, unsigned long sta_bitmap) +{ + u32 num_packets = wl->conf.tx.max_tx_retries; + struct wl12xx_vif *wlvif; + struct ieee80211_vif *vif; + struct ieee80211_sta *sta; + const u8 *addr; + int h; + + for_each_set_bit(h, &sta_bitmap, WL12XX_MAX_LINKS) { + bool found = false; + /* find the ap vif connected to this sta */ + wl12xx_for_each_wlvif_ap(wl, wlvif) { + if (!test_bit(h, wlvif->ap.sta_hlid_map)) + continue; + found = true; + break; } - } + if (!found) + continue; - if (vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID) { - u8 role_id = mbox->role_id; - wl1271_debug(DEBUG_EVENT, "BA_SESSION_RX_CONSTRAINT_EVENT_ID. " - "ba_allowed = 0x%x, role_id=%d", - mbox->rx_ba_allowed, role_id); + vif = wl12xx_wlvif_to_vif(wlvif); + addr = wl->links[h].addr; - wl12xx_for_each_wlvif(wl, wlvif) { - if (role_id != 0xff && role_id != wlvif->role_id) - continue; - - wlvif->ba_allowed = !!mbox->rx_ba_allowed; - if (!wlvif->ba_allowed) - wl1271_stop_ba_event(wl, wlvif); + rcu_read_lock(); + sta = ieee80211_find_sta(vif, addr); + if (sta) { + wl1271_debug(DEBUG_EVENT, "remove sta %d", h); + ieee80211_report_low_ack(sta, num_packets); } + rcu_read_unlock(); } +} - if (vector & CHANNEL_SWITCH_COMPLETE_EVENT_ID) { - wl1271_debug(DEBUG_EVENT, "CHANNEL_SWITCH_COMPLETE_EVENT_ID. " - "status = 0x%x", - mbox->channel_switch_status); - /* - * That event uses for two cases: - * 1) channel switch complete with status=0 - * 2) channel switch failed status=1 - */ - - /* TODO: configure only the relevant vif */ - wl12xx_for_each_wlvif_sta(wl, wlvif) { - bool success; - - if (!test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, - &wlvif->flags)) - continue; - - success = mbox->channel_switch_status ? false : true; - vif = wl12xx_wlvif_to_vif(wlvif); +void wlcore_event_max_tx_failure(struct wl1271 *wl, unsigned long sta_bitmap) +{ + wl1271_debug(DEBUG_EVENT, "MAX_TX_FAILURE_EVENT_ID"); + wlcore_disconnect_sta(wl, sta_bitmap); +} +EXPORT_SYMBOL_GPL(wlcore_event_max_tx_failure); - ieee80211_chswitch_done(vif, success); - } - } +void wlcore_event_inactive_sta(struct wl1271 *wl, unsigned long sta_bitmap) +{ + wl1271_debug(DEBUG_EVENT, "INACTIVE_STA_EVENT_ID"); + wlcore_disconnect_sta(wl, sta_bitmap); +} +EXPORT_SYMBOL_GPL(wlcore_event_inactive_sta); - if ((vector & DUMMY_PACKET_EVENT_ID)) { - wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID"); - ret = wl1271_tx_dummy_packet(wl); - if (ret < 0) - return ret; - } +void wlcore_event_roc_complete(struct wl1271 *wl) +{ + wl1271_debug(DEBUG_EVENT, "REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID"); + if (wl->roc_vif) + ieee80211_ready_on_channel(wl->hw); +} +EXPORT_SYMBOL_GPL(wlcore_event_roc_complete); +void wlcore_event_beacon_loss(struct wl1271 *wl, unsigned long roles_bitmap) +{ /* - * "TX retries exceeded" has a different meaning according to mode. - * In AP mode the offending station is disconnected. + * We are HW_MONITOR device. On beacon loss - queue + * connection loss work. Cancel it on REGAINED event. */ - if (vector & MAX_TX_RETRY_EVENT_ID) { - wl1271_debug(DEBUG_EVENT, "MAX_TX_RETRY_EVENT_ID"); - sta_bitmap |= le16_to_cpu(mbox->sta_tx_retry_exceeded); - disconnect_sta = true; - } + struct wl12xx_vif *wlvif; + struct ieee80211_vif *vif; + int delay = wl->conf.conn.synch_fail_thold * + wl->conf.conn.bss_lose_timeout; - if (vector & INACTIVE_STA_EVENT_ID) { - wl1271_debug(DEBUG_EVENT, "INACTIVE_STA_EVENT_ID"); - sta_bitmap |= le16_to_cpu(mbox->sta_aging_status); - disconnect_sta = true; - } + wl1271_info("Beacon loss detected. roles:0x%lx", roles_bitmap); - if (disconnect_sta) { - u32 num_packets = wl->conf.tx.max_tx_retries; - struct ieee80211_sta *sta; - const u8 *addr; - int h; - - for_each_set_bit(h, &sta_bitmap, WL12XX_MAX_LINKS) { - bool found = false; - /* find the ap vif connected to this sta */ - wl12xx_for_each_wlvif_ap(wl, wlvif) { - if (!test_bit(h, wlvif->ap.sta_hlid_map)) - continue; - found = true; - break; - } - if (!found) - continue; + wl12xx_for_each_wlvif_sta(wl, wlvif) { + if (wlvif->role_id == WL12XX_INVALID_ROLE_ID || + !test_bit(wlvif->role_id , &roles_bitmap)) + continue; - vif = wl12xx_wlvif_to_vif(wlvif); - addr = wl->links[h].addr; + /* + * if the work is already queued, it should take place. + * We don't want to delay the connection loss + * indication any more. + */ + ieee80211_queue_delayed_work(wl->hw, + &wlvif->connection_loss_work, + msecs_to_jiffies(delay)); - rcu_read_lock(); - sta = ieee80211_find_sta(vif, addr); - if (sta) { - wl1271_debug(DEBUG_EVENT, "remove sta %d", h); - ieee80211_report_low_ack(sta, num_packets); - } - rcu_read_unlock(); - } + vif = wl12xx_wlvif_to_vif(wlvif); + ieee80211_cqm_rssi_notify( + vif, + NL80211_CQM_RSSI_BEACON_LOSS_EVENT, + GFP_KERNEL); } - return 0; } +EXPORT_SYMBOL_GPL(wlcore_event_beacon_loss); int wl1271_event_unmask(struct wl1271 *wl) { @@ -305,12 +277,12 @@ int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num) /* first we read the mbox descriptor */ ret = wlcore_read(wl, wl->mbox_ptr[mbox_num], wl->mbox, - sizeof(*wl->mbox), false); + wl->mbox_size, false); if (ret < 0) return ret; /* process the descriptor */ - ret = wl1271_event_process(wl); + ret = wl->ops->process_mailbox_events(wl); if (ret < 0) return ret; diff --git a/drivers/net/wireless/ti/wlcore/event.h b/drivers/net/wireless/ti/wlcore/event.h index 8adf18d6c58f..acc7a59d3828 100644 --- a/drivers/net/wireless/ti/wlcore/event.h +++ b/drivers/net/wireless/ti/wlcore/event.h @@ -46,33 +46,17 @@ enum { RSSI_SNR_TRIGGER_5_EVENT_ID = BIT(5), RSSI_SNR_TRIGGER_6_EVENT_ID = BIT(6), RSSI_SNR_TRIGGER_7_EVENT_ID = BIT(7), - MEASUREMENT_START_EVENT_ID = BIT(8), - MEASUREMENT_COMPLETE_EVENT_ID = BIT(9), - SCAN_COMPLETE_EVENT_ID = BIT(10), - WFD_DISCOVERY_COMPLETE_EVENT_ID = BIT(11), - AP_DISCOVERY_COMPLETE_EVENT_ID = BIT(12), - RESERVED1 = BIT(13), - PSPOLL_DELIVERY_FAILURE_EVENT_ID = BIT(14), - ROLE_STOP_COMPLETE_EVENT_ID = BIT(15), - RADAR_DETECTED_EVENT_ID = BIT(16), - CHANNEL_SWITCH_COMPLETE_EVENT_ID = BIT(17), - BSS_LOSE_EVENT_ID = BIT(18), - REGAINED_BSS_EVENT_ID = BIT(19), - MAX_TX_RETRY_EVENT_ID = BIT(20), - DUMMY_PACKET_EVENT_ID = BIT(21), - SOFT_GEMINI_SENSE_EVENT_ID = BIT(22), - CHANGE_AUTO_MODE_TIMEOUT_EVENT_ID = BIT(23), - SOFT_GEMINI_AVALANCHE_EVENT_ID = BIT(24), - PLT_RX_CALIBRATION_COMPLETE_EVENT_ID = BIT(25), - INACTIVE_STA_EVENT_ID = BIT(26), - PEER_REMOVE_COMPLETE_EVENT_ID = BIT(27), - PERIODIC_SCAN_COMPLETE_EVENT_ID = BIT(28), - PERIODIC_SCAN_REPORT_EVENT_ID = BIT(29), - BA_SESSION_RX_CONSTRAINT_EVENT_ID = BIT(30), - REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID = BIT(31), + EVENT_MBOX_ALL_EVENT_ID = 0x7fffffff, }; +/* events the driver might want to wait for */ +enum wlcore_wait_event { + WLCORE_EVENT_ROLE_STOP_COMPLETE, + WLCORE_EVENT_PEER_REMOVE_COMPLETE, + WLCORE_EVENT_DFS_CONFIG_COMPLETE +}; + enum { EVENT_ENTER_POWER_SAVE_FAIL = 0, EVENT_ENTER_POWER_SAVE_SUCCESS, @@ -80,61 +64,24 @@ enum { #define NUM_OF_RSSI_SNR_TRIGGERS 8 -struct event_mailbox { - __le32 events_vector; - __le32 events_mask; - __le32 reserved_1; - __le32 reserved_2; - - u8 number_of_scan_results; - u8 scan_tag; - u8 completed_scan_status; - u8 reserved_3; - - u8 soft_gemini_sense_info; - u8 soft_gemini_protective_info; - s8 rssi_snr_trigger_metric[NUM_OF_RSSI_SNR_TRIGGERS]; - u8 change_auto_mode_timeout; - u8 scheduled_scan_status; - u8 reserved4; - /* tuned channel (roc) */ - u8 roc_channel; - - __le16 hlid_removed_bitmap; - - /* bitmap of aged stations (by HLID) */ - __le16 sta_aging_status; - - /* bitmap of stations (by HLID) which exceeded max tx retries */ - __le16 sta_tx_retry_exceeded; - - /* discovery completed results */ - u8 discovery_tag; - u8 number_of_preq_results; - u8 number_of_prsp_results; - u8 reserved_5; - - /* rx ba constraint */ - u8 role_id; /* 0xFF means any role. */ - u8 rx_ba_allowed; - u8 reserved_6[2]; - - /* Channel switch results */ - - u8 channel_switch_role_id; - u8 channel_switch_status; - u8 reserved_7[2]; - - u8 ps_poll_delivery_failure_role_ids; - u8 stopped_role_ids; - u8 started_role_ids; - - u8 reserved_8[9]; -} __packed; - struct wl1271; int wl1271_event_unmask(struct wl1271 *wl); int wl1271_event_handle(struct wl1271 *wl, u8 mbox); +void wlcore_event_soft_gemini_sense(struct wl1271 *wl, u8 enable); +void wlcore_event_sched_scan_completed(struct wl1271 *wl, + u8 status); +void wlcore_event_ba_rx_constraint(struct wl1271 *wl, + unsigned long roles_bitmap, + unsigned long allowed_bitmap); +void wlcore_event_channel_switch(struct wl1271 *wl, + unsigned long roles_bitmap, + bool success); +void wlcore_event_beacon_loss(struct wl1271 *wl, unsigned long roles_bitmap); +void wlcore_event_dummy_packet(struct wl1271 *wl); +void wlcore_event_max_tx_failure(struct wl1271 *wl, unsigned long sta_bitmap); +void wlcore_event_inactive_sta(struct wl1271 *wl, unsigned long sta_bitmap); +void wlcore_event_roc_complete(struct wl1271 *wl); +void wlcore_event_rssi_trigger(struct wl1271 *wl, s8 *metric_arr); #endif diff --git a/drivers/net/wireless/ti/wlcore/hw_ops.h b/drivers/net/wireless/ti/wlcore/hw_ops.h index 2673d783ec1e..7fd260c02a0a 100644 --- a/drivers/net/wireless/ti/wlcore/hw_ops.h +++ b/drivers/net/wireless/ti/wlcore/hw_ops.h @@ -201,4 +201,45 @@ wlcore_hw_pre_pkt_send(struct wl1271 *wl, u32 buf_offset, u32 last_len) return buf_offset; } +static inline void +wlcore_hw_sta_rc_update(struct wl1271 *wl, struct wl12xx_vif *wlvif, + struct ieee80211_sta *sta, u32 changed) +{ + if (wl->ops->sta_rc_update) + wl->ops->sta_rc_update(wl, wlvif, sta, changed); +} + +static inline int +wlcore_hw_set_peer_cap(struct wl1271 *wl, + struct ieee80211_sta_ht_cap *ht_cap, + bool allow_ht_operation, + u32 rate_set, u8 hlid) +{ + if (wl->ops->set_peer_cap) + return wl->ops->set_peer_cap(wl, ht_cap, allow_ht_operation, + rate_set, hlid); + + return 0; +} + +static inline bool +wlcore_hw_lnk_high_prio(struct wl1271 *wl, u8 hlid, + struct wl1271_link *lnk) +{ + if (!wl->ops->lnk_high_prio) + BUG_ON(1); + + return wl->ops->lnk_high_prio(wl, hlid, lnk); +} + +static inline bool +wlcore_hw_lnk_low_prio(struct wl1271 *wl, u8 hlid, + struct wl1271_link *lnk) +{ + if (!wl->ops->lnk_low_prio) + BUG_ON(1); + + return wl->ops->lnk_low_prio(wl, hlid, lnk); +} + #endif diff --git a/drivers/net/wireless/ti/wlcore/init.c b/drivers/net/wireless/ti/wlcore/init.c index 32d157f62f31..5c6f11e157d9 100644 --- a/drivers/net/wireless/ti/wlcore/init.c +++ b/drivers/net/wireless/ti/wlcore/init.c @@ -41,14 +41,14 @@ int wl1271_init_templates_config(struct wl1271 *wl) /* send empty templates for fw memory reservation */ ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, - CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL, + wl->scan_templ_id_2_4, NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, - CMD_TEMPL_CFG_PROBE_REQ_5, + wl->scan_templ_id_5, NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) @@ -56,14 +56,16 @@ int wl1271_init_templates_config(struct wl1271 *wl) if (wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL) { ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, - CMD_TEMPL_APP_PROBE_REQ_2_4, NULL, + wl->sched_scan_templ_id_2_4, + NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, - CMD_TEMPL_APP_PROBE_REQ_5, NULL, + wl->sched_scan_templ_id_5, + NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) @@ -463,7 +465,7 @@ int wl1271_init_ap_rates(struct wl1271 *wl, struct wl12xx_vif *wlvif) if ((wlvif->basic_rate_set & CONF_TX_OFDM_RATES)) supported_rates = CONF_TX_OFDM_RATES; else - supported_rates = CONF_TX_AP_ENABLED_RATES; + supported_rates = CONF_TX_ENABLED_RATES; /* unconditionally enable HT rates */ supported_rates |= CONF_TX_MCS_RATES; @@ -575,9 +577,6 @@ int wl1271_init_vif_specific(struct wl1271 *wl, struct ieee80211_vif *vif) /* Configure for power according to debugfs */ if (sta_auth != WL1271_PSM_ILLEGAL) ret = wl1271_acx_sleep_auth(wl, sta_auth); - /* Configure for power always on */ - else if (wl->quirks & WLCORE_QUIRK_NO_ELP) - ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); /* Configure for ELP power saving */ else ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); @@ -679,6 +678,10 @@ int wl1271_hw_init(struct wl1271 *wl) if (ret < 0) return ret; + ret = wlcore_cmd_regdomain_config_locked(wl); + if (ret < 0) + return ret; + /* Bluetooth WLAN coexistence */ ret = wl1271_init_pta(wl); if (ret < 0) diff --git a/drivers/net/wireless/ti/wlcore/io.h b/drivers/net/wireless/ti/wlcore/io.h index f48530fec14f..af7d9f9b3b4d 100644 --- a/drivers/net/wireless/ti/wlcore/io.h +++ b/drivers/net/wireless/ti/wlcore/io.h @@ -105,13 +105,13 @@ static inline int __must_check wlcore_raw_read32(struct wl1271 *wl, int addr, { int ret; - ret = wlcore_raw_read(wl, addr, &wl->buffer_32, - sizeof(wl->buffer_32), false); + ret = wlcore_raw_read(wl, addr, wl->buffer_32, + sizeof(*wl->buffer_32), false); if (ret < 0) return ret; if (val) - *val = le32_to_cpu(wl->buffer_32); + *val = le32_to_cpu(*wl->buffer_32); return 0; } @@ -119,9 +119,9 @@ static inline int __must_check wlcore_raw_read32(struct wl1271 *wl, int addr, static inline int __must_check wlcore_raw_write32(struct wl1271 *wl, int addr, u32 val) { - wl->buffer_32 = cpu_to_le32(val); - return wlcore_raw_write(wl, addr, &wl->buffer_32, - sizeof(wl->buffer_32), false); + *wl->buffer_32 = cpu_to_le32(val); + return wlcore_raw_write(wl, addr, wl->buffer_32, + sizeof(*wl->buffer_32), false); } static inline int __must_check wlcore_read(struct wl1271 *wl, int addr, diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index ce6e62a37e14..e1dfdf94d0f7 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -56,8 +56,8 @@ #define WL1271_BOOT_RETRIES 3 static char *fwlog_param; -static bool bug_on_recovery; -static bool no_recovery; +static int bug_on_recovery = -1; +static int no_recovery = -1; static void __wl1271_op_remove_interface(struct wl1271 *wl, struct ieee80211_vif *vif, @@ -79,12 +79,10 @@ static int wl12xx_set_authorized(struct wl1271 *wl, if (test_and_set_bit(WLVIF_FLAG_STA_STATE_SENT, &wlvif->flags)) return 0; - ret = wl12xx_cmd_set_peer_state(wl, wlvif->sta.hlid); + ret = wl12xx_cmd_set_peer_state(wl, wlvif, wlvif->sta.hlid); if (ret < 0) return ret; - wl12xx_croc(wl, wlvif->role_id); - wl1271_info("Association completed."); return 0; } @@ -95,6 +93,8 @@ static void wl1271_reg_notify(struct wiphy *wiphy, struct ieee80211_supported_band *band; struct ieee80211_channel *ch; int i; + struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); + struct wl1271 *wl = hw->priv; band = wiphy->bands[IEEE80211_BAND_5GHZ]; for (i = 0; i < band->n_channels; i++) { @@ -107,6 +107,9 @@ static void wl1271_reg_notify(struct wiphy *wiphy, IEEE80211_CHAN_PASSIVE_SCAN; } + + if (likely(wl->state == WLCORE_STATE_ON)) + wlcore_regdomain_config(wl); } static int wl1271_set_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif, @@ -301,6 +304,7 @@ out: static void wlcore_adjust_conf(struct wl1271 *wl) { /* Adjust settings according to optional module parameters */ + if (fwlog_param) { if (!strcmp(fwlog_param, "continuous")) { wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; @@ -316,16 +320,22 @@ static void wlcore_adjust_conf(struct wl1271 *wl) wl1271_error("Unknown fwlog parameter %s", fwlog_param); } } + + if (bug_on_recovery != -1) + wl->conf.recovery.bug_on_recovery = (u8) bug_on_recovery; + + if (no_recovery != -1) + wl->conf.recovery.no_recovery = (u8) no_recovery; } static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid, u8 tx_pkts) { - bool fw_ps, single_sta; + bool fw_ps, single_link; fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); - single_sta = (wl->active_sta_count == 1); + single_link = (wl->active_link_count == 1); /* * Wake up from high level PS if the STA is asleep with too little @@ -336,10 +346,10 @@ static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, /* * Start high-level PS if the STA is asleep with enough blocks in FW. - * Make an exception if this is the only connected station. In this - * case FW-memory congestion is not a problem. + * Make an exception if this is the only connected link. In this + * case FW-memory congestion is less of a problem. */ - else if (!single_sta && fw_ps && tx_pkts >= WL1271_PS_STA_MAX_PACKETS) + else if (!single_link && fw_ps && tx_pkts >= WL1271_PS_STA_MAX_PACKETS) wl12xx_ps_link_start(wl, wlvif, hlid, true); } @@ -347,11 +357,8 @@ static void wl12xx_irq_update_links_status(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct wl_fw_status_2 *status) { - struct wl1271_link *lnk; u32 cur_fw_ps_map; - u8 hlid, cnt; - - /* TODO: also use link_fast_bitmap here */ + u8 hlid; cur_fw_ps_map = le32_to_cpu(status->link_ps_bitmap); if (wl->ap_fw_ps_map != cur_fw_ps_map) { @@ -363,17 +370,9 @@ static void wl12xx_irq_update_links_status(struct wl1271 *wl, wl->ap_fw_ps_map = cur_fw_ps_map; } - for_each_set_bit(hlid, wlvif->ap.sta_hlid_map, WL12XX_MAX_LINKS) { - lnk = &wl->links[hlid]; - cnt = status->counters.tx_lnk_free_pkts[hlid] - - lnk->prev_freed_pkts; - - lnk->prev_freed_pkts = status->counters.tx_lnk_free_pkts[hlid]; - lnk->allocated_pkts -= cnt; - + for_each_set_bit(hlid, wlvif->ap.sta_hlid_map, WL12XX_MAX_LINKS) wl12xx_irq_ps_regulate_link(wl, wlvif, hlid, - lnk->allocated_pkts); - } + wl->links[hlid].allocated_pkts); } static int wlcore_fw_status(struct wl1271 *wl, @@ -387,6 +386,7 @@ static int wlcore_fw_status(struct wl1271 *wl, int i; size_t status_len; int ret; + struct wl1271_link *lnk; status_len = WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc) + sizeof(*status_2) + wl->fw_status_priv_len; @@ -412,6 +412,17 @@ static int wlcore_fw_status(struct wl1271 *wl, wl->tx_pkts_freed[i] = status_2->counters.tx_released_pkts[i]; } + + for_each_set_bit(i, wl->links_map, WL12XX_MAX_LINKS) { + lnk = &wl->links[i]; + /* prevent wrap-around in freed-packets counter */ + lnk->allocated_pkts -= + (status_2->counters.tx_lnk_free_pkts[i] - + lnk->prev_freed_pkts) & 0xff; + + lnk->prev_freed_pkts = status_2->counters.tx_lnk_free_pkts[i]; + } + /* prevent wrap-around in total blocks counter */ if (likely(wl->tx_blocks_freed <= le32_to_cpu(status_2->total_released_blks))) @@ -464,6 +475,8 @@ static int wlcore_fw_status(struct wl1271 *wl, wl->time_offset = (timespec_to_ns(&ts) >> 10) - (s64)le32_to_cpu(status_2->fw_localtime); + wl->fw_fast_lnk_map = le32_to_cpu(status_2->link_fast_bitmap); + return 0; } @@ -800,11 +813,13 @@ static void wl12xx_read_fwlog_panic(struct wl1271 *wl) /* * Make sure the chip is awake and the logger isn't active. - * Do not send a stop fwlog command if the fw is hanged. + * Do not send a stop fwlog command if the fw is hanged or if + * dbgpins are used (due to some fw bug). */ if (wl1271_ps_elp_wakeup(wl)) goto out; - if (!wl->watchdog_recovery) + if (!wl->watchdog_recovery && + wl->conf.fwlog.output != WL12XX_FWLOG_OUTPUT_DBG_PINS) wl12xx_cmd_stop_fwlog(wl); /* Read the first memory block address */ @@ -872,7 +887,8 @@ static void wlcore_print_recovery(struct wl1271 *wl) if (ret < 0) return; - wl1271_info("pc: 0x%x, hint_sts: 0x%08x", pc, hint_sts); + wl1271_info("pc: 0x%x, hint_sts: 0x%08x count: %d", + pc, hint_sts, ++wl->recovery_count); wlcore_set_partition(wl, &wl->ptable[PART_WORK]); } @@ -895,10 +911,10 @@ static void wl1271_recovery_work(struct work_struct *work) wlcore_print_recovery(wl); } - BUG_ON(bug_on_recovery && + BUG_ON(wl->conf.recovery.bug_on_recovery && !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)); - if (no_recovery) { + if (wl->conf.recovery.no_recovery) { wl1271_info("No recovery (chosen on module load). Fw will remain stuck."); goto out_unlock; } @@ -918,11 +934,6 @@ static void wl1271_recovery_work(struct work_struct *work) /* Prevent spurious TX during FW restart */ wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); - if (wl->sched_scanning) { - ieee80211_sched_scan_stopped(wl->hw); - wl->sched_scanning = false; - } - /* reboot the chipset */ while (!list_empty(&wl->wlvif_list)) { wlvif = list_first_entry(&wl->wlvif_list, @@ -1139,7 +1150,6 @@ int wl1271_plt_stop(struct wl1271 *wl) cancel_work_sync(&wl->recovery_work); cancel_delayed_work_sync(&wl->elp_work); cancel_delayed_work_sync(&wl->tx_watchdog_work); - cancel_delayed_work_sync(&wl->connection_loss_work); mutex_lock(&wl->mutex); wl1271_power_off(wl); @@ -1167,9 +1177,13 @@ static void wl1271_op_tx(struct ieee80211_hw *hw, int q, mapping; u8 hlid; - if (vif) - wlvif = wl12xx_vif_to_data(vif); + if (!vif) { + wl1271_debug(DEBUG_TX, "DROP skb with no vif"); + ieee80211_free_txskb(hw, skb); + return; + } + wlvif = wl12xx_vif_to_data(vif); mapping = skb_get_queue_mapping(skb); q = wl1271_tx_get_queue(mapping); @@ -1183,9 +1197,9 @@ static void wl1271_op_tx(struct ieee80211_hw *hw, * allow these packets through. */ if (hlid == WL12XX_INVALID_LINK_ID || - (wlvif && !test_bit(hlid, wlvif->links_map)) || - (wlcore_is_queue_stopped(wl, q) && - !wlcore_is_queue_stopped_by_reason(wl, q, + (!test_bit(hlid, wlvif->links_map)) || + (wlcore_is_queue_stopped_locked(wl, wlvif, q) && + !wlcore_is_queue_stopped_by_reason_locked(wl, wlvif, q, WLCORE_QUEUE_STOP_REASON_WATERMARK))) { wl1271_debug(DEBUG_TX, "DROP skb hlid %d q %d", hlid, q); ieee80211_free_txskb(hw, skb); @@ -1197,16 +1211,17 @@ static void wl1271_op_tx(struct ieee80211_hw *hw, skb_queue_tail(&wl->links[hlid].tx_queue[q], skb); wl->tx_queue_count[q]++; + wlvif->tx_queue_count[q]++; /* * The workqueue is slow to process the tx_queue and we need stop * the queue here, otherwise the queue will get too long. */ - if (wl->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK && - !wlcore_is_queue_stopped_by_reason(wl, q, + if (wlvif->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK && + !wlcore_is_queue_stopped_by_reason_locked(wl, wlvif, q, WLCORE_QUEUE_STOP_REASON_WATERMARK)) { wl1271_debug(DEBUG_TX, "op_tx: stopping queues for q %d", q); - wlcore_stop_queue_locked(wl, q, + wlcore_stop_queue_locked(wl, wlvif, q, WLCORE_QUEUE_STOP_REASON_WATERMARK); } @@ -1841,11 +1856,10 @@ static void wlcore_op_stop_locked(struct wl1271 *wl) cancel_work_sync(&wl->tx_work); cancel_delayed_work_sync(&wl->elp_work); cancel_delayed_work_sync(&wl->tx_watchdog_work); - cancel_delayed_work_sync(&wl->connection_loss_work); /* let's notify MAC80211 about the remaining pending TX frames */ - wl12xx_tx_reset(wl); mutex_lock(&wl->mutex); + wl12xx_tx_reset(wl); wl1271_power_off(wl); /* @@ -1868,14 +1882,17 @@ static void wlcore_op_stop_locked(struct wl1271 *wl) wl->time_offset = 0; wl->ap_fw_ps_map = 0; wl->ap_ps_map = 0; - wl->sched_scanning = false; wl->sleep_auth = WL1271_PSM_ILLEGAL; memset(wl->roles_map, 0, sizeof(wl->roles_map)); memset(wl->links_map, 0, sizeof(wl->links_map)); memset(wl->roc_map, 0, sizeof(wl->roc_map)); + memset(wl->session_ids, 0, sizeof(wl->session_ids)); wl->active_sta_count = 0; + wl->active_link_count = 0; /* The system link is always allocated */ + wl->links[WL12XX_SYSTEM_HLID].allocated_pkts = 0; + wl->links[WL12XX_SYSTEM_HLID].prev_freed_pkts = 0; __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); /* @@ -1901,6 +1918,12 @@ static void wlcore_op_stop_locked(struct wl1271 *wl) wl->tx_res_if = NULL; kfree(wl->target_mem_map); wl->target_mem_map = NULL; + + /* + * FW channels must be re-calibrated after recovery, + * clear the last Reg-Domain channel configuration. + */ + memset(wl->reg_ch_conf_last, 0, sizeof(wl->reg_ch_conf_last)); } static void wlcore_op_stop(struct ieee80211_hw *hw) @@ -1916,6 +1939,71 @@ static void wlcore_op_stop(struct ieee80211_hw *hw) mutex_unlock(&wl->mutex); } +static void wlcore_channel_switch_work(struct work_struct *work) +{ + struct delayed_work *dwork; + struct wl1271 *wl; + struct ieee80211_vif *vif; + struct wl12xx_vif *wlvif; + int ret; + + dwork = container_of(work, struct delayed_work, work); + wlvif = container_of(dwork, struct wl12xx_vif, channel_switch_work); + wl = wlvif->wl; + + wl1271_info("channel switch failed (role_id: %d).", wlvif->role_id); + + mutex_lock(&wl->mutex); + + if (unlikely(wl->state != WLCORE_STATE_ON)) + goto out; + + /* check the channel switch is still ongoing */ + if (!test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags)) + goto out; + + vif = wl12xx_wlvif_to_vif(wlvif); + ieee80211_chswitch_done(vif, false); + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + wl12xx_cmd_stop_channel_switch(wl, wlvif); + + wl1271_ps_elp_sleep(wl); +out: + mutex_unlock(&wl->mutex); +} + +static void wlcore_connection_loss_work(struct work_struct *work) +{ + struct delayed_work *dwork; + struct wl1271 *wl; + struct ieee80211_vif *vif; + struct wl12xx_vif *wlvif; + + dwork = container_of(work, struct delayed_work, work); + wlvif = container_of(dwork, struct wl12xx_vif, connection_loss_work); + wl = wlvif->wl; + + wl1271_info("Connection loss work (role_id: %d).", wlvif->role_id); + + mutex_lock(&wl->mutex); + + if (unlikely(wl->state != WLCORE_STATE_ON)) + goto out; + + /* Call mac80211 connection loss */ + if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) + goto out; + + vif = wl12xx_wlvif_to_vif(wlvif); + ieee80211_connection_loss(vif); +out: + mutex_unlock(&wl->mutex); +} + static int wl12xx_allocate_rate_policy(struct wl1271 *wl, u8 *idx) { u8 policy = find_first_zero_bit(wl->rate_policies_map, @@ -2035,15 +2123,15 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) for (i = 0; i < CONF_TX_MAX_AC_COUNT; i++) wl12xx_allocate_rate_policy(wl, &wlvif->ap.ucast_rate_idx[i]); - wlvif->basic_rate_set = CONF_TX_AP_ENABLED_RATES; + wlvif->basic_rate_set = CONF_TX_ENABLED_RATES; /* * TODO: check if basic_rate shouldn't be * wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); * instead (the same thing for STA above). */ - wlvif->basic_rate = CONF_TX_AP_ENABLED_RATES; + wlvif->basic_rate = CONF_TX_ENABLED_RATES; /* TODO: this seems to be used only for STA, check it */ - wlvif->rate_set = CONF_TX_AP_ENABLED_RATES; + wlvif->rate_set = CONF_TX_ENABLED_RATES; } wlvif->bitrate_masks[IEEE80211_BAND_2GHZ] = wl->conf.tx.basic_rate; @@ -2063,6 +2151,10 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) wl1271_rx_streaming_enable_work); INIT_WORK(&wlvif->rx_streaming_disable_work, wl1271_rx_streaming_disable_work); + INIT_DELAYED_WORK(&wlvif->channel_switch_work, + wlcore_channel_switch_work); + INIT_DELAYED_WORK(&wlvif->connection_loss_work, + wlcore_connection_loss_work); INIT_LIST_HEAD(&wlvif->list); setup_timer(&wlvif->rx_streaming_timer, wl1271_rx_streaming_timer, @@ -2196,6 +2288,81 @@ static void wl12xx_force_active_psm(struct wl1271 *wl) } } +struct wlcore_hw_queue_iter_data { + unsigned long hw_queue_map[BITS_TO_LONGS(WLCORE_NUM_MAC_ADDRESSES)]; + /* current vif */ + struct ieee80211_vif *vif; + /* is the current vif among those iterated */ + bool cur_running; +}; + +static void wlcore_hw_queue_iter(void *data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct wlcore_hw_queue_iter_data *iter_data = data; + + if (WARN_ON_ONCE(vif->hw_queue[0] == IEEE80211_INVAL_HW_QUEUE)) + return; + + if (iter_data->cur_running || vif == iter_data->vif) { + iter_data->cur_running = true; + return; + } + + __set_bit(vif->hw_queue[0] / NUM_TX_QUEUES, iter_data->hw_queue_map); +} + +static int wlcore_allocate_hw_queue_base(struct wl1271 *wl, + struct wl12xx_vif *wlvif) +{ + struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); + struct wlcore_hw_queue_iter_data iter_data = {}; + int i, q_base; + + iter_data.vif = vif; + + /* mark all bits taken by active interfaces */ + ieee80211_iterate_active_interfaces_atomic(wl->hw, + IEEE80211_IFACE_ITER_RESUME_ALL, + wlcore_hw_queue_iter, &iter_data); + + /* the current vif is already running in mac80211 (resume/recovery) */ + if (iter_data.cur_running) { + wlvif->hw_queue_base = vif->hw_queue[0]; + wl1271_debug(DEBUG_MAC80211, + "using pre-allocated hw queue base %d", + wlvif->hw_queue_base); + + /* interface type might have changed type */ + goto adjust_cab_queue; + } + + q_base = find_first_zero_bit(iter_data.hw_queue_map, + WLCORE_NUM_MAC_ADDRESSES); + if (q_base >= WLCORE_NUM_MAC_ADDRESSES) + return -EBUSY; + + wlvif->hw_queue_base = q_base * NUM_TX_QUEUES; + wl1271_debug(DEBUG_MAC80211, "allocating hw queue base: %d", + wlvif->hw_queue_base); + + for (i = 0; i < NUM_TX_QUEUES; i++) { + wl->queue_stop_reasons[wlvif->hw_queue_base + i] = 0; + /* register hw queues in mac80211 */ + vif->hw_queue[i] = wlvif->hw_queue_base + i; + } + +adjust_cab_queue: + /* the last places are reserved for cab queues per interface */ + if (wlvif->bss_type == BSS_TYPE_AP_BSS) + vif->cab_queue = NUM_TX_QUEUES * WLCORE_NUM_MAC_ADDRESSES + + wlvif->hw_queue_base / NUM_TX_QUEUES; + else + vif->cab_queue = IEEE80211_INVAL_HW_QUEUE; + + return 0; +} + static int wl1271_op_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { @@ -2242,6 +2409,10 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, goto out; } + ret = wlcore_allocate_hw_queue_base(wl, wlvif); + if (ret < 0) + goto out; + if (wl12xx_need_fw_change(wl, vif_count, true)) { wl12xx_force_active_psm(wl); set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags); @@ -2312,7 +2483,7 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl, wl1271_info("down"); if (wl->scan.state != WL1271_SCAN_STATE_IDLE && - wl->scan_vif == vif) { + wl->scan_wlvif == wlvif) { /* * Rearm the tx watchdog just before idling scan. This * prevents just-finished scans from triggering the watchdog @@ -2321,11 +2492,21 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl, wl->scan.state = WL1271_SCAN_STATE_IDLE; memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); - wl->scan_vif = NULL; + wl->scan_wlvif = NULL; wl->scan.req = NULL; ieee80211_scan_completed(wl->hw, true); } + if (wl->sched_vif == wlvif) { + ieee80211_sched_scan_stopped(wl->hw); + wl->sched_vif = NULL; + } + + if (wl->roc_vif == vif) { + wl->roc_vif = NULL; + ieee80211_remain_on_channel_expired(wl->hw); + } + if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { /* disable active roles */ ret = wl1271_ps_elp_wakeup(wl); @@ -2394,9 +2575,6 @@ deinit: /* Configure for power according to debugfs */ if (sta_auth != WL1271_PSM_ILLEGAL) wl1271_acx_sleep_auth(wl, sta_auth); - /* Configure for power always on */ - else if (wl->quirks & WLCORE_QUIRK_NO_ELP) - wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); /* Configure for ELP power saving */ else wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); @@ -2408,6 +2586,7 @@ unlock: del_timer_sync(&wlvif->rx_streaming_timer); cancel_work_sync(&wlvif->rx_streaming_enable_work); cancel_work_sync(&wlvif->rx_streaming_disable_work); + cancel_delayed_work_sync(&wlvif->connection_loss_work); mutex_lock(&wl->mutex); } @@ -2466,8 +2645,7 @@ static int wl12xx_op_change_interface(struct ieee80211_hw *hw, return ret; } -static int wl1271_join(struct wl1271 *wl, struct wl12xx_vif *wlvif, - bool set_assoc) +static int wlcore_join(struct wl1271 *wl, struct wl12xx_vif *wlvif) { int ret; bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); @@ -2487,18 +2665,111 @@ static int wl1271_join(struct wl1271 *wl, struct wl12xx_vif *wlvif, /* clear encryption type */ wlvif->encryption_type = KEY_NONE; - if (set_assoc) - set_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags); - if (is_ibss) ret = wl12xx_cmd_role_start_ibss(wl, wlvif); - else + else { + if (wl->quirks & WLCORE_QUIRK_START_STA_FAILS) { + /* + * TODO: this is an ugly workaround for wl12xx fw + * bug - we are not able to tx/rx after the first + * start_sta, so make dummy start+stop calls, + * and then call start_sta again. + * this should be fixed in the fw. + */ + wl12xx_cmd_role_start_sta(wl, wlvif); + wl12xx_cmd_role_stop_sta(wl, wlvif); + } + ret = wl12xx_cmd_role_start_sta(wl, wlvif); + } + + return ret; +} + +static int wl1271_ssid_set(struct wl12xx_vif *wlvif, struct sk_buff *skb, + int offset) +{ + u8 ssid_len; + const u8 *ptr = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset, + skb->len - offset); + + if (!ptr) { + wl1271_error("No SSID in IEs!"); + return -ENOENT; + } + + ssid_len = ptr[1]; + if (ssid_len > IEEE80211_MAX_SSID_LEN) { + wl1271_error("SSID is too long!"); + return -EINVAL; + } + + wlvif->ssid_len = ssid_len; + memcpy(wlvif->ssid, ptr+2, ssid_len); + return 0; +} + +static int wlcore_set_ssid(struct wl1271 *wl, struct wl12xx_vif *wlvif) +{ + struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); + struct sk_buff *skb; + int ieoffset; + + /* we currently only support setting the ssid from the ap probe req */ + if (wlvif->bss_type != BSS_TYPE_STA_BSS) + return -EINVAL; + + skb = ieee80211_ap_probereq_get(wl->hw, vif); + if (!skb) + return -EINVAL; + + ieoffset = offsetof(struct ieee80211_mgmt, + u.probe_req.variable); + wl1271_ssid_set(wlvif, skb, ieoffset); + dev_kfree_skb(skb); + + return 0; +} + +static int wlcore_set_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif, + struct ieee80211_bss_conf *bss_conf, + u32 sta_rate_set) +{ + int ieoffset; + int ret; + + wlvif->aid = bss_conf->aid; + wlvif->channel_type = cfg80211_get_chandef_type(&bss_conf->chandef); + wlvif->beacon_int = bss_conf->beacon_int; + wlvif->wmm_enabled = bss_conf->qos; + + set_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags); + + /* + * with wl1271, we don't need to update the + * beacon_int and dtim_period, because the firmware + * updates it by itself when the first beacon is + * received after a join. + */ + ret = wl1271_cmd_build_ps_poll(wl, wlvif, wlvif->aid); if (ret < 0) - goto out; + return ret; - if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) - goto out; + /* + * Get a template for hardware connection maintenance + */ + dev_kfree_skb(wlvif->probereq); + wlvif->probereq = wl1271_cmd_build_ap_probe_req(wl, + wlvif, + NULL); + ieoffset = offsetof(struct ieee80211_mgmt, + u.probe_req.variable); + wl1271_ssid_set(wlvif, wlvif->probereq, ieoffset); + + /* enable the connection monitoring feature */ + ret = wl1271_acx_conn_monit_params(wl, wlvif, true); + if (ret < 0) + return ret; /* * The join command disable the keep-alive mode, shut down its process, @@ -2508,35 +2779,83 @@ static int wl1271_join(struct wl1271 *wl, struct wl12xx_vif *wlvif, */ ret = wl1271_acx_keep_alive_mode(wl, wlvif, true); if (ret < 0) - goto out; + return ret; ret = wl1271_acx_aid(wl, wlvif, wlvif->aid); if (ret < 0) - goto out; + return ret; ret = wl12xx_cmd_build_klv_null_data(wl, wlvif); if (ret < 0) - goto out; + return ret; ret = wl1271_acx_keep_alive_config(wl, wlvif, wlvif->sta.klv_template_id, ACX_KEEP_ALIVE_TPL_VALID); if (ret < 0) - goto out; + return ret; + + /* + * The default fw psm configuration is AUTO, while mac80211 default + * setting is off (ACTIVE), so sync the fw with the correct value. + */ + ret = wl1271_ps_set_mode(wl, wlvif, STATION_ACTIVE_MODE); + if (ret < 0) + return ret; + + if (sta_rate_set) { + wlvif->rate_set = + wl1271_tx_enabled_rates_get(wl, + sta_rate_set, + wlvif->band); + ret = wl1271_acx_sta_rate_policies(wl, wlvif); + if (ret < 0) + return ret; + } -out: return ret; } -static int wl1271_unjoin(struct wl1271 *wl, struct wl12xx_vif *wlvif) +static int wlcore_unset_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif) { int ret; + bool sta = wlvif->bss_type == BSS_TYPE_STA_BSS; + + /* make sure we are connected (sta) joined */ + if (sta && + !test_and_clear_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) + return false; + + /* make sure we are joined (ibss) */ + if (!sta && + test_and_clear_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags)) + return false; + + if (sta) { + /* use defaults when not associated */ + wlvif->aid = 0; + + /* free probe-request template */ + dev_kfree_skb(wlvif->probereq); + wlvif->probereq = NULL; + + /* disable connection monitor features */ + ret = wl1271_acx_conn_monit_params(wl, wlvif, false); + if (ret < 0) + return ret; + + /* Disable the keep-alive feature */ + ret = wl1271_acx_keep_alive_mode(wl, wlvif, false); + if (ret < 0) + return ret; + } if (test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags)) { struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); - wl12xx_cmd_stop_channel_switch(wl); + wl12xx_cmd_stop_channel_switch(wl, wlvif); ieee80211_chswitch_done(vif, false); + cancel_delayed_work(&wlvif->channel_switch_work); } /* invalidate keep-alive template */ @@ -2544,17 +2863,11 @@ static int wl1271_unjoin(struct wl1271 *wl, struct wl12xx_vif *wlvif) wlvif->sta.klv_template_id, ACX_KEEP_ALIVE_TPL_INVALID); - /* to stop listening to a channel, we disconnect */ - ret = wl12xx_cmd_role_stop_sta(wl, wlvif); - if (ret < 0) - goto out; - /* reset TX security counters on a clean disconnect */ wlvif->tx_security_last_seq_lsb = 0; wlvif->tx_security_seq = 0; -out: - return ret; + return 0; } static void wl1271_set_band_rate(struct wl1271 *wl, struct wl12xx_vif *wlvif) @@ -2563,147 +2876,10 @@ static void wl1271_set_band_rate(struct wl1271 *wl, struct wl12xx_vif *wlvif) wlvif->rate_set = wlvif->basic_rate_set; } -static int wl1271_sta_handle_idle(struct wl1271 *wl, struct wl12xx_vif *wlvif, - bool idle) -{ - int ret; - bool cur_idle = !test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); - - if (idle == cur_idle) - return 0; - - if (idle) { - /* no need to croc if we weren't busy (e.g. during boot) */ - if (wl12xx_dev_role_started(wlvif)) { - ret = wl12xx_stop_dev(wl, wlvif); - if (ret < 0) - goto out; - } - wlvif->rate_set = - wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); - ret = wl1271_acx_sta_rate_policies(wl, wlvif); - if (ret < 0) - goto out; - clear_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); - } else { - /* The current firmware only supports sched_scan in idle */ - if (wl->sched_scanning) { - wl1271_scan_sched_scan_stop(wl, wlvif); - ieee80211_sched_scan_stopped(wl->hw); - } - - ret = wl12xx_start_dev(wl, wlvif); - if (ret < 0) - goto out; - set_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); - } - -out: - return ret; -} - static int wl12xx_config_vif(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct ieee80211_conf *conf, u32 changed) { - bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); - int channel, ret; - - channel = ieee80211_frequency_to_channel(conf->channel->center_freq); - - /* if the channel changes while joined, join again */ - if (changed & IEEE80211_CONF_CHANGE_CHANNEL && - ((wlvif->band != conf->channel->band) || - (wlvif->channel != channel) || - (wlvif->channel_type != conf->channel_type))) { - /* send all pending packets */ - ret = wlcore_tx_work_locked(wl); - if (ret < 0) - return ret; - - wlvif->band = conf->channel->band; - wlvif->channel = channel; - wlvif->channel_type = conf->channel_type; - - if (is_ap) { - wl1271_set_band_rate(wl, wlvif); - ret = wl1271_init_ap_rates(wl, wlvif); - if (ret < 0) - wl1271_error("AP rate policy change failed %d", - ret); - } else { - /* - * FIXME: the mac80211 should really provide a fixed - * rate to use here. for now, just use the smallest - * possible rate for the band as a fixed rate for - * association frames and other control messages. - */ - if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) - wl1271_set_band_rate(wl, wlvif); - - wlvif->basic_rate = - wl1271_tx_min_rate_get(wl, - wlvif->basic_rate_set); - ret = wl1271_acx_sta_rate_policies(wl, wlvif); - if (ret < 0) - wl1271_warning("rate policy for channel " - "failed %d", ret); - - /* - * change the ROC channel. do it only if we are - * not idle. otherwise, CROC will be called - * anyway. - */ - if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, - &wlvif->flags) && - wl12xx_dev_role_started(wlvif) && - !(conf->flags & IEEE80211_CONF_IDLE)) { - ret = wl12xx_stop_dev(wl, wlvif); - if (ret < 0) - return ret; - - ret = wl12xx_start_dev(wl, wlvif); - if (ret < 0) - return ret; - } - } - } - - if ((changed & IEEE80211_CONF_CHANGE_PS) && !is_ap) { - - if ((conf->flags & IEEE80211_CONF_PS) && - test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && - !test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { - - int ps_mode; - char *ps_mode_str; - - if (wl->conf.conn.forced_ps) { - ps_mode = STATION_POWER_SAVE_MODE; - ps_mode_str = "forced"; - } else { - ps_mode = STATION_AUTO_PS_MODE; - ps_mode_str = "auto"; - } - - wl1271_debug(DEBUG_PSM, "%s ps enabled", ps_mode_str); - - ret = wl1271_ps_set_mode(wl, wlvif, ps_mode); - - if (ret < 0) - wl1271_warning("enter %s ps failed %d", - ps_mode_str, ret); - - } else if (!(conf->flags & IEEE80211_CONF_PS) && - test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { - - wl1271_debug(DEBUG_PSM, "auto ps disabled"); - - ret = wl1271_ps_set_mode(wl, wlvif, - STATION_ACTIVE_MODE); - if (ret < 0) - wl1271_warning("exit auto ps failed %d", ret); - } - } + int ret; if (conf->power_level != wlvif->power_level) { ret = wl1271_acx_tx_power(wl, wlvif, conf->power_level); @@ -2721,37 +2897,17 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) struct wl1271 *wl = hw->priv; struct wl12xx_vif *wlvif; struct ieee80211_conf *conf = &hw->conf; - int channel, ret = 0; - - channel = ieee80211_frequency_to_channel(conf->channel->center_freq); + int ret = 0; - wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s" + wl1271_debug(DEBUG_MAC80211, "mac80211 config psm %s power %d %s" " changed 0x%x", - channel, conf->flags & IEEE80211_CONF_PS ? "on" : "off", conf->power_level, conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use", changed); - /* - * mac80211 will go to idle nearly immediately after transmitting some - * frames, such as the deauth. To make sure those frames reach the air, - * wait here until the TX queue is fully flushed. - */ - if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || - ((changed & IEEE80211_CONF_CHANGE_IDLE) && - (conf->flags & IEEE80211_CONF_IDLE))) - wl1271_tx_flush(wl); - mutex_lock(&wl->mutex); - /* we support configuring the channel and band even while off */ - if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { - wl->band = conf->channel->band; - wl->channel = channel; - wl->channel_type = conf->channel_type; - } - if (changed & IEEE80211_CONF_CHANGE_POWER) wl->power_level = conf->power_level; @@ -3071,10 +3227,7 @@ static int wlcore_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, * stop the queues and flush to ensure the next packets are * in sync with FW spare block accounting */ - mutex_lock(&wl->mutex); wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_SPARE_BLK); - mutex_unlock(&wl->mutex); - wl1271_tx_flush(wl); } @@ -3200,6 +3353,29 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd, } EXPORT_SYMBOL_GPL(wlcore_set_key); +void wlcore_regdomain_config(struct wl1271 *wl) +{ + int ret; + + if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF)) + return; + + mutex_lock(&wl->mutex); + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + ret = wlcore_cmd_regdomain_config_locked(wl); + if (ret < 0) { + wl12xx_queue_recovery_work(wl); + goto out; + } + + wl1271_ps_elp_sleep(wl); +out: + mutex_unlock(&wl->mutex); +} + static int wl1271_op_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct cfg80211_scan_request *req) @@ -3239,7 +3415,7 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw, goto out_sleep; } - ret = wl1271_scan(hw->priv, vif, ssid, len, req); + ret = wlcore_scan(hw->priv, vif, ssid, len, req); out_sleep: wl1271_ps_elp_sleep(wl); out: @@ -3252,6 +3428,7 @@ static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct wl1271 *wl = hw->priv; + struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); int ret; wl1271_debug(DEBUG_MAC80211, "mac80211 cancel hw scan"); @@ -3269,7 +3446,7 @@ static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw, goto out; if (wl->scan.state != WL1271_SCAN_STATE_DONE) { - ret = wl1271_scan_stop(wl); + ret = wl->ops->scan_stop(wl, wlvif); if (ret < 0) goto out_sleep; } @@ -3282,7 +3459,7 @@ static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw, wl->scan.state = WL1271_SCAN_STATE_IDLE; memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); - wl->scan_vif = NULL; + wl->scan_wlvif = NULL; wl->scan.req = NULL; ieee80211_scan_completed(wl->hw, true); @@ -3316,15 +3493,11 @@ static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, if (ret < 0) goto out; - ret = wl1271_scan_sched_scan_config(wl, wlvif, req, ies); + ret = wl->ops->sched_scan_start(wl, wlvif, req, ies); if (ret < 0) goto out_sleep; - ret = wl1271_scan_sched_scan_start(wl, wlvif); - if (ret < 0) - goto out_sleep; - - wl->sched_scanning = true; + wl->sched_vif = wlvif; out_sleep: wl1271_ps_elp_sleep(wl); @@ -3351,7 +3524,7 @@ static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, if (ret < 0) goto out; - wl1271_scan_sched_scan_stop(wl, wlvif); + wl->ops->sched_scan_stop(wl, wlvif); wl1271_ps_elp_sleep(wl); out: @@ -3416,30 +3589,6 @@ out: return ret; } -static int wl1271_ssid_set(struct ieee80211_vif *vif, struct sk_buff *skb, - int offset) -{ - struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); - u8 ssid_len; - const u8 *ptr = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset, - skb->len - offset); - - if (!ptr) { - wl1271_error("No SSID in IEs!"); - return -ENOENT; - } - - ssid_len = ptr[1]; - if (ssid_len > IEEE80211_MAX_SSID_LEN) { - wl1271_error("SSID is too long!"); - return -EINVAL; - } - - wlvif->ssid_len = ssid_len; - memcpy(wlvif->ssid, ptr+2, ssid_len); - return 0; -} - static void wl12xx_remove_ie(struct sk_buff *skb, u8 eid, int ieoffset) { int len; @@ -3620,7 +3769,7 @@ static int wlcore_set_beacon_template(struct wl1271 *wl, wl1271_debug(DEBUG_MASTER, "beacon updated"); - ret = wl1271_ssid_set(vif, beacon, ieoffset); + ret = wl1271_ssid_set(wlvif, beacon, ieoffset); if (ret < 0) { dev_kfree_skb(beacon); goto out; @@ -3637,6 +3786,12 @@ static int wlcore_set_beacon_template(struct wl1271 *wl, goto out; } + wlvif->wmm_enabled = + cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WMM, + beacon->data + ieoffset, + beacon->len - ieoffset); + /* * In case we already have a probe-resp beacon set explicitly * by usermode, don't use the beacon data. @@ -3690,7 +3845,7 @@ static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); int ret = 0; - if ((changed & BSS_CHANGED_BEACON_INT)) { + if (changed & BSS_CHANGED_BEACON_INT) { wl1271_debug(DEBUG_MASTER, "beacon interval updated: %d", bss_conf->beacon_int); @@ -3703,7 +3858,7 @@ static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, wl1271_ap_set_probe_resp_tmpl(wl, rate, vif); } - if ((changed & BSS_CHANGED_BEACON)) { + if (changed & BSS_CHANGED_BEACON) { ret = wlcore_set_beacon_template(wl, vif, is_ap); if (ret < 0) goto out; @@ -3724,7 +3879,7 @@ static void wl1271_bss_info_changed_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); int ret = 0; - if ((changed & BSS_CHANGED_BASIC_RATES)) { + if (changed & BSS_CHANGED_BASIC_RATES) { u32 rates = bss_conf->basic_rates; wlvif->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates, @@ -3755,7 +3910,7 @@ static void wl1271_bss_info_changed_ap(struct wl1271 *wl, if (ret < 0) goto out; - if ((changed & BSS_CHANGED_BEACON_ENABLED)) { + if (changed & BSS_CHANGED_BEACON_ENABLED) { if (bss_conf->enable_beacon) { if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { ret = wl12xx_cmd_role_start_ap(wl, wlvif); @@ -3802,6 +3957,79 @@ out: return; } +static int wlcore_set_bssid(struct wl1271 *wl, struct wl12xx_vif *wlvif, + struct ieee80211_bss_conf *bss_conf, + u32 sta_rate_set) +{ + u32 rates; + int ret; + + wl1271_debug(DEBUG_MAC80211, + "changed_bssid: %pM, aid: %d, bcn_int: %d, brates: 0x%x sta_rate_set: 0x%x", + bss_conf->bssid, bss_conf->aid, + bss_conf->beacon_int, + bss_conf->basic_rates, sta_rate_set); + + wlvif->beacon_int = bss_conf->beacon_int; + rates = bss_conf->basic_rates; + wlvif->basic_rate_set = + wl1271_tx_enabled_rates_get(wl, rates, + wlvif->band); + wlvif->basic_rate = + wl1271_tx_min_rate_get(wl, + wlvif->basic_rate_set); + + if (sta_rate_set) + wlvif->rate_set = + wl1271_tx_enabled_rates_get(wl, + sta_rate_set, + wlvif->band); + + /* we only support sched_scan while not connected */ + if (wl->sched_vif == wlvif) + wl->ops->sched_scan_stop(wl, wlvif); + + ret = wl1271_acx_sta_rate_policies(wl, wlvif); + if (ret < 0) + return ret; + + ret = wl12xx_cmd_build_null_data(wl, wlvif); + if (ret < 0) + return ret; + + ret = wl1271_build_qos_null_data(wl, wl12xx_wlvif_to_vif(wlvif)); + if (ret < 0) + return ret; + + wlcore_set_ssid(wl, wlvif); + + set_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); + + return 0; +} + +static int wlcore_clear_bssid(struct wl1271 *wl, struct wl12xx_vif *wlvif) +{ + int ret; + + /* revert back to minimum rates for the current band */ + wl1271_set_band_rate(wl, wlvif); + wlvif->basic_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); + + ret = wl1271_acx_sta_rate_policies(wl, wlvif); + if (ret < 0) + return ret; + + if (wlvif->bss_type == BSS_TYPE_STA_BSS && + test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags)) { + ret = wl12xx_cmd_role_stop_sta(wl, wlvif); + if (ret < 0) + return ret; + } + + clear_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); + return 0; +} /* STA/IBSS mode changes */ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, struct ieee80211_vif *vif, @@ -3809,7 +4037,7 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, u32 changed) { struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); - bool do_join = false, set_assoc = false; + bool do_join = false; bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); bool ibss_joined = false; u32 sta_rate_set = 0; @@ -3830,9 +4058,8 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, set_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags); ibss_joined = true; } else { - if (test_and_clear_bit(WLVIF_FLAG_IBSS_JOINED, - &wlvif->flags)) - wl1271_unjoin(wl, wlvif); + wlcore_unset_assoc(wl, wlvif); + wl12xx_cmd_role_stop_sta(wl, wlvif); } } @@ -3850,13 +4077,7 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, do_join = true; } - if (changed & BSS_CHANGED_IDLE && !is_ibss) { - ret = wl1271_sta_handle_idle(wl, wlvif, bss_conf->idle); - if (ret < 0) - wl1271_warning("idle mode change failed %d", ret); - } - - if ((changed & BSS_CHANGED_CQM)) { + if (changed & BSS_CHANGED_CQM) { bool enable = false; if (bss_conf->cqm_rssi_thold) enable = true; @@ -3868,150 +4089,39 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, wlvif->rssi_thold = bss_conf->cqm_rssi_thold; } - if (changed & BSS_CHANGED_BSSID) - if (!is_zero_ether_addr(bss_conf->bssid)) { - ret = wl12xx_cmd_build_null_data(wl, wlvif); - if (ret < 0) - goto out; - - ret = wl1271_build_qos_null_data(wl, vif); - if (ret < 0) - goto out; - } - - if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_HT)) { + if (changed & (BSS_CHANGED_BSSID | BSS_CHANGED_HT | + BSS_CHANGED_ASSOC)) { rcu_read_lock(); sta = ieee80211_find_sta(vif, bss_conf->bssid); - if (!sta) - goto sta_not_found; - - /* save the supp_rates of the ap */ - sta_rate_set = sta->supp_rates[wl->hw->conf.channel->band]; - if (sta->ht_cap.ht_supported) - sta_rate_set |= - (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET) | - (sta->ht_cap.mcs.rx_mask[1] << HW_MIMO_RATES_OFFSET); - sta_ht_cap = sta->ht_cap; - sta_exists = true; - -sta_not_found: + if (sta) { + u8 *rx_mask = sta->ht_cap.mcs.rx_mask; + + /* save the supp_rates of the ap */ + sta_rate_set = sta->supp_rates[wlvif->band]; + if (sta->ht_cap.ht_supported) + sta_rate_set |= + (rx_mask[0] << HW_HT_RATES_OFFSET) | + (rx_mask[1] << HW_MIMO_RATES_OFFSET); + sta_ht_cap = sta->ht_cap; + sta_exists = true; + } + rcu_read_unlock(); } - if ((changed & BSS_CHANGED_ASSOC)) { - if (bss_conf->assoc) { - u32 rates; - int ieoffset; - wlvif->aid = bss_conf->aid; - wlvif->channel_type = - cfg80211_get_chandef_type(&bss_conf->chandef); - wlvif->beacon_int = bss_conf->beacon_int; - do_join = true; - set_assoc = true; - - /* - * use basic rates from AP, and determine lowest rate - * to use with control frames. - */ - rates = bss_conf->basic_rates; - wlvif->basic_rate_set = - wl1271_tx_enabled_rates_get(wl, rates, - wlvif->band); - wlvif->basic_rate = - wl1271_tx_min_rate_get(wl, - wlvif->basic_rate_set); - if (sta_rate_set) - wlvif->rate_set = - wl1271_tx_enabled_rates_get(wl, - sta_rate_set, - wlvif->band); - ret = wl1271_acx_sta_rate_policies(wl, wlvif); - if (ret < 0) - goto out; - - /* - * with wl1271, we don't need to update the - * beacon_int and dtim_period, because the firmware - * updates it by itself when the first beacon is - * received after a join. - */ - ret = wl1271_cmd_build_ps_poll(wl, wlvif, wlvif->aid); + if (changed & BSS_CHANGED_BSSID) { + if (!is_zero_ether_addr(bss_conf->bssid)) { + ret = wlcore_set_bssid(wl, wlvif, bss_conf, + sta_rate_set); if (ret < 0) goto out; - /* - * Get a template for hardware connection maintenance - */ - dev_kfree_skb(wlvif->probereq); - wlvif->probereq = wl1271_cmd_build_ap_probe_req(wl, - wlvif, - NULL); - ieoffset = offsetof(struct ieee80211_mgmt, - u.probe_req.variable); - wl1271_ssid_set(vif, wlvif->probereq, ieoffset); - - /* enable the connection monitoring feature */ - ret = wl1271_acx_conn_monit_params(wl, wlvif, true); - if (ret < 0) - goto out; + /* Need to update the BSSID (for filtering etc) */ + do_join = true; } else { - /* use defaults when not associated */ - bool was_assoc = - !!test_and_clear_bit(WLVIF_FLAG_STA_ASSOCIATED, - &wlvif->flags); - bool was_ifup = - !!test_and_clear_bit(WLVIF_FLAG_STA_STATE_SENT, - &wlvif->flags); - wlvif->aid = 0; - - /* free probe-request template */ - dev_kfree_skb(wlvif->probereq); - wlvif->probereq = NULL; - - /* revert back to minimum rates for the current band */ - wl1271_set_band_rate(wl, wlvif); - wlvif->basic_rate = - wl1271_tx_min_rate_get(wl, - wlvif->basic_rate_set); - ret = wl1271_acx_sta_rate_policies(wl, wlvif); - if (ret < 0) - goto out; - - /* disable connection monitor features */ - ret = wl1271_acx_conn_monit_params(wl, wlvif, false); - - /* Disable the keep-alive feature */ - ret = wl1271_acx_keep_alive_mode(wl, wlvif, false); + ret = wlcore_clear_bssid(wl, wlvif); if (ret < 0) goto out; - - /* restore the bssid filter and go to dummy bssid */ - if (was_assoc) { - /* - * we might have to disable roc, if there was - * no IF_OPER_UP notification. - */ - if (!was_ifup) { - ret = wl12xx_croc(wl, wlvif->role_id); - if (ret < 0) - goto out; - } - /* - * (we also need to disable roc in case of - * roaming on the same channel. until we will - * have a better flow...) - */ - if (test_bit(wlvif->dev_role_id, wl->roc_map)) { - ret = wl12xx_croc(wl, - wlvif->dev_role_id); - if (ret < 0) - goto out; - } - - wl1271_unjoin(wl, wlvif); - if (!bss_conf->idle) - wl12xx_start_dev(wl, wlvif); - } } } @@ -4041,71 +4151,87 @@ sta_not_found: goto out; if (do_join) { - ret = wl1271_join(wl, wlvif, set_assoc); + ret = wlcore_join(wl, wlvif); if (ret < 0) { wl1271_warning("cmd join failed %d", ret); goto out; } + } - /* ROC until connected (after EAPOL exchange) */ - if (!is_ibss) { - ret = wl12xx_roc(wl, wlvif, wlvif->role_id); + if (changed & BSS_CHANGED_ASSOC) { + if (bss_conf->assoc) { + ret = wlcore_set_assoc(wl, wlvif, bss_conf, + sta_rate_set); if (ret < 0) goto out; if (test_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags)) wl12xx_set_authorized(wl, wlvif); + } else { + wlcore_unset_assoc(wl, wlvif); } - /* - * stop device role if started (we might already be in - * STA/IBSS role). - */ - if (wl12xx_dev_role_started(wlvif)) { - ret = wl12xx_stop_dev(wl, wlvif); + } + + if (changed & BSS_CHANGED_PS) { + if ((bss_conf->ps) && + test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && + !test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { + int ps_mode; + char *ps_mode_str; + + if (wl->conf.conn.forced_ps) { + ps_mode = STATION_POWER_SAVE_MODE; + ps_mode_str = "forced"; + } else { + ps_mode = STATION_AUTO_PS_MODE; + ps_mode_str = "auto"; + } + + wl1271_debug(DEBUG_PSM, "%s ps enabled", ps_mode_str); + + ret = wl1271_ps_set_mode(wl, wlvif, ps_mode); if (ret < 0) - goto out; + wl1271_warning("enter %s ps failed %d", + ps_mode_str, ret); + } else if (!bss_conf->ps && + test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { + wl1271_debug(DEBUG_PSM, "auto ps disabled"); + + ret = wl1271_ps_set_mode(wl, wlvif, + STATION_ACTIVE_MODE); + if (ret < 0) + wl1271_warning("exit auto ps failed %d", ret); } } /* Handle new association with HT. Do this after join. */ - if (sta_exists) { - if ((changed & BSS_CHANGED_HT) && - (bss_conf->chandef.width != NL80211_CHAN_WIDTH_20_NOHT)) { - ret = wl1271_acx_set_ht_capabilities(wl, - &sta_ht_cap, - true, - wlvif->sta.hlid); - if (ret < 0) { - wl1271_warning("Set ht cap true failed %d", - ret); - goto out; - } + if (sta_exists && + (changed & BSS_CHANGED_HT)) { + bool enabled = + bss_conf->chandef.width != NL80211_CHAN_WIDTH_20_NOHT; + + ret = wlcore_hw_set_peer_cap(wl, + &sta_ht_cap, + enabled, + wlvif->rate_set, + wlvif->sta.hlid); + if (ret < 0) { + wl1271_warning("Set ht cap failed %d", ret); + goto out; + } - /* handle new association without HT and disassociation */ - else if (changed & BSS_CHANGED_ASSOC) { - ret = wl1271_acx_set_ht_capabilities(wl, - &sta_ht_cap, - false, - wlvif->sta.hlid); + + if (enabled) { + ret = wl1271_acx_set_ht_information(wl, wlvif, + bss_conf->ht_operation_mode); if (ret < 0) { - wl1271_warning("Set ht cap false failed %d", + wl1271_warning("Set ht information failed %d", ret); goto out; } } } - /* Handle HT information change. Done after join. */ - if ((changed & BSS_CHANGED_HT) && - (bss_conf->chandef.width != NL80211_CHAN_WIDTH_20_NOHT)) { - ret = wl1271_acx_set_ht_information(wl, wlvif, - bss_conf->ht_operation_mode); - if (ret < 0) { - wl1271_warning("Set ht information failed %d", ret); - goto out; - } - } - /* Handle arp filtering. Done after join. */ if ((changed & BSS_CHANGED_ARP_FILTER) || (!is_ibss && (changed & BSS_CHANGED_QOS))) { @@ -4113,8 +4239,7 @@ sta_not_found: wlvif->sta.qos = bss_conf->qos; WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS); - if (bss_conf->arp_addr_cnt == 1 && - bss_conf->arp_filter_enabled) { + if (bss_conf->arp_addr_cnt == 1 && bss_conf->assoc) { wlvif->ip_addr = addr; /* * The template should have been configured only upon @@ -4155,15 +4280,15 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); int ret; - wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed 0x%x", - (int)changed); + wl1271_debug(DEBUG_MAC80211, "mac80211 bss info role %d changed 0x%x", + wlvif->role_id, (int)changed); /* * make sure to cancel pending disconnections if our association * state changed */ if (!is_ap && (changed & BSS_CHANGED_ASSOC)) - cancel_delayed_work_sync(&wl->connection_loss_work); + cancel_delayed_work_sync(&wlvif->connection_loss_work); if (is_ap && (changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon) @@ -4192,6 +4317,76 @@ out: mutex_unlock(&wl->mutex); } +static int wlcore_op_add_chanctx(struct ieee80211_hw *hw, + struct ieee80211_chanctx_conf *ctx) +{ + wl1271_debug(DEBUG_MAC80211, "mac80211 add chanctx %d (type %d)", + ieee80211_frequency_to_channel(ctx->def.chan->center_freq), + cfg80211_get_chandef_type(&ctx->def)); + return 0; +} + +static void wlcore_op_remove_chanctx(struct ieee80211_hw *hw, + struct ieee80211_chanctx_conf *ctx) +{ + wl1271_debug(DEBUG_MAC80211, "mac80211 remove chanctx %d (type %d)", + ieee80211_frequency_to_channel(ctx->def.chan->center_freq), + cfg80211_get_chandef_type(&ctx->def)); +} + +static void wlcore_op_change_chanctx(struct ieee80211_hw *hw, + struct ieee80211_chanctx_conf *ctx, + u32 changed) +{ + wl1271_debug(DEBUG_MAC80211, + "mac80211 change chanctx %d (type %d) changed 0x%x", + ieee80211_frequency_to_channel(ctx->def.chan->center_freq), + cfg80211_get_chandef_type(&ctx->def), changed); +} + +static int wlcore_op_assign_vif_chanctx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_chanctx_conf *ctx) +{ + struct wl1271 *wl = hw->priv; + struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); + int channel = ieee80211_frequency_to_channel( + ctx->def.chan->center_freq); + + wl1271_debug(DEBUG_MAC80211, + "mac80211 assign chanctx (role %d) %d (type %d)", + wlvif->role_id, channel, cfg80211_get_chandef_type(&ctx->def)); + + mutex_lock(&wl->mutex); + + wlvif->band = ctx->def.chan->band; + wlvif->channel = channel; + wlvif->channel_type = cfg80211_get_chandef_type(&ctx->def); + + /* update default rates according to the band */ + wl1271_set_band_rate(wl, wlvif); + + mutex_unlock(&wl->mutex); + + return 0; +} + +static void wlcore_op_unassign_vif_chanctx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_chanctx_conf *ctx) +{ + struct wl1271 *wl = hw->priv; + struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); + + wl1271_debug(DEBUG_MAC80211, + "mac80211 unassign chanctx (role %d) %d (type %d)", + wlvif->role_id, + ieee80211_frequency_to_channel(ctx->def.chan->center_freq), + cfg80211_get_chandef_type(&ctx->def)); + + wl1271_tx_flush(wl); +} + static int wl1271_op_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, const struct ieee80211_tx_queue_params *params) @@ -4319,8 +4514,6 @@ void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid) return; clear_bit(hlid, wlvif->ap.sta_hlid_map); - memset(wl->links[hlid].addr, 0, ETH_ALEN); - wl->links[hlid].ba_bitmap = 0; __clear_bit(hlid, &wl->ap_ps_map); __clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); wl12xx_free_link(wl, wlvif, &hlid); @@ -4380,6 +4573,45 @@ static int wl12xx_sta_remove(struct wl1271 *wl, return ret; } +static void wlcore_roc_if_possible(struct wl1271 *wl, + struct wl12xx_vif *wlvif) +{ + if (find_first_bit(wl->roc_map, + WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) + return; + + if (WARN_ON(wlvif->role_id == WL12XX_INVALID_ROLE_ID)) + return; + + wl12xx_roc(wl, wlvif, wlvif->role_id, wlvif->band, wlvif->channel); +} + +static void wlcore_update_inconn_sta(struct wl1271 *wl, + struct wl12xx_vif *wlvif, + struct wl1271_station *wl_sta, + bool in_connection) +{ + if (in_connection) { + if (WARN_ON(wl_sta->in_connection)) + return; + wl_sta->in_connection = true; + if (!wlvif->inconn_count++) + wlcore_roc_if_possible(wl, wlvif); + } else { + if (!wl_sta->in_connection) + return; + + wl_sta->in_connection = false; + wlvif->inconn_count--; + if (WARN_ON(wlvif->inconn_count < 0)) + return; + + if (!wlvif->inconn_count) + if (test_bit(wlvif->role_id, wl->roc_map)) + wl12xx_croc(wl, wlvif->role_id); + } +} + static int wl12xx_update_sta_state(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct ieee80211_sta *sta, @@ -4398,8 +4630,13 @@ static int wl12xx_update_sta_state(struct wl1271 *wl, /* Add station (AP mode) */ if (is_ap && old_state == IEEE80211_STA_NOTEXIST && - new_state == IEEE80211_STA_NONE) - return wl12xx_sta_add(wl, wlvif, sta); + new_state == IEEE80211_STA_NONE) { + ret = wl12xx_sta_add(wl, wlvif, sta); + if (ret) + return ret; + + wlcore_update_inconn_sta(wl, wlvif, wl_sta, true); + } /* Remove station (AP mode) */ if (is_ap && @@ -4407,35 +4644,59 @@ static int wl12xx_update_sta_state(struct wl1271 *wl, new_state == IEEE80211_STA_NOTEXIST) { /* must not fail */ wl12xx_sta_remove(wl, wlvif, sta); - return 0; + + wlcore_update_inconn_sta(wl, wlvif, wl_sta, false); } /* Authorize station (AP mode) */ if (is_ap && new_state == IEEE80211_STA_AUTHORIZED) { - ret = wl12xx_cmd_set_peer_state(wl, hlid); + ret = wl12xx_cmd_set_peer_state(wl, wlvif, hlid); if (ret < 0) return ret; ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true, hlid); - return ret; + if (ret) + return ret; + + wlcore_update_inconn_sta(wl, wlvif, wl_sta, false); } /* Authorize station */ if (is_sta && new_state == IEEE80211_STA_AUTHORIZED) { set_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags); - return wl12xx_set_authorized(wl, wlvif); + ret = wl12xx_set_authorized(wl, wlvif); + if (ret) + return ret; } if (is_sta && old_state == IEEE80211_STA_AUTHORIZED && new_state == IEEE80211_STA_ASSOC) { clear_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags); - return 0; + clear_bit(WLVIF_FLAG_STA_STATE_SENT, &wlvif->flags); } + /* clear ROCs on failure or authorization */ + if (is_sta && + (new_state == IEEE80211_STA_AUTHORIZED || + new_state == IEEE80211_STA_NOTEXIST)) { + if (test_bit(wlvif->role_id, wl->roc_map)) + wl12xx_croc(wl, wlvif->role_id); + } + + if (is_sta && + old_state == IEEE80211_STA_NOTEXIST && + new_state == IEEE80211_STA_NONE) { + if (find_first_bit(wl->roc_map, + WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) { + WARN_ON(wlvif->role_id == WL12XX_INVALID_ROLE_ID); + wl12xx_roc(wl, wlvif, wlvif->role_id, + wlvif->band, wlvif->channel); + } + } return 0; } @@ -4500,18 +4761,18 @@ static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, if (wlvif->bss_type == BSS_TYPE_STA_BSS) { hlid = wlvif->sta.hlid; - ba_bitmap = &wlvif->sta.ba_rx_bitmap; } else if (wlvif->bss_type == BSS_TYPE_AP_BSS) { struct wl1271_station *wl_sta; wl_sta = (struct wl1271_station *)sta->drv_priv; hlid = wl_sta->hlid; - ba_bitmap = &wl->links[hlid].ba_bitmap; } else { ret = -EINVAL; goto out; } + ba_bitmap = &wl->links[hlid].ba_bitmap; + ret = wl1271_ps_elp_wakeup(wl); if (ret < 0) goto out; @@ -4665,12 +4926,23 @@ static void wl12xx_op_channel_switch(struct ieee80211_hw *hw, /* TODO: change mac80211 to pass vif as param */ wl12xx_for_each_wlvif_sta(wl, wlvif) { - ret = wl12xx_cmd_channel_switch(wl, wlvif, ch_switch); + unsigned long delay_usec; + + ret = wl->ops->channel_switch(wl, wlvif, ch_switch); + if (ret) + goto out_sleep; + + set_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags); - if (!ret) - set_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags); + /* indicate failure 5 seconds after channel switch time */ + delay_usec = ieee80211_tu_to_usec(wlvif->beacon_int) * + ch_switch->count; + ieee80211_queue_delayed_work(hw, &wlvif->channel_switch_work, + usecs_to_jiffies(delay_usec) + + msecs_to_jiffies(5000)); } +out_sleep: wl1271_ps_elp_sleep(wl); out: @@ -4684,6 +4956,144 @@ static void wlcore_op_flush(struct ieee80211_hw *hw, bool drop) wl1271_tx_flush(wl); } +static int wlcore_op_remain_on_channel(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_channel *chan, + int duration) +{ + struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); + struct wl1271 *wl = hw->priv; + int channel, ret = 0; + + channel = ieee80211_frequency_to_channel(chan->center_freq); + + wl1271_debug(DEBUG_MAC80211, "mac80211 roc %d (%d)", + channel, wlvif->role_id); + + mutex_lock(&wl->mutex); + + if (unlikely(wl->state != WLCORE_STATE_ON)) + goto out; + + /* return EBUSY if we can't ROC right now */ + if (WARN_ON(wl->roc_vif || + find_first_bit(wl->roc_map, + WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES)) { + ret = -EBUSY; + goto out; + } + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + ret = wl12xx_start_dev(wl, wlvif, chan->band, channel); + if (ret < 0) + goto out_sleep; + + wl->roc_vif = vif; + ieee80211_queue_delayed_work(hw, &wl->roc_complete_work, + msecs_to_jiffies(duration)); +out_sleep: + wl1271_ps_elp_sleep(wl); +out: + mutex_unlock(&wl->mutex); + return ret; +} + +static int __wlcore_roc_completed(struct wl1271 *wl) +{ + struct wl12xx_vif *wlvif; + int ret; + + /* already completed */ + if (unlikely(!wl->roc_vif)) + return 0; + + wlvif = wl12xx_vif_to_data(wl->roc_vif); + + if (!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) + return -EBUSY; + + ret = wl12xx_stop_dev(wl, wlvif); + if (ret < 0) + return ret; + + wl->roc_vif = NULL; + + return 0; +} + +static int wlcore_roc_completed(struct wl1271 *wl) +{ + int ret; + + wl1271_debug(DEBUG_MAC80211, "roc complete"); + + mutex_lock(&wl->mutex); + + if (unlikely(wl->state != WLCORE_STATE_ON)) { + ret = -EBUSY; + goto out; + } + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + ret = __wlcore_roc_completed(wl); + + wl1271_ps_elp_sleep(wl); +out: + mutex_unlock(&wl->mutex); + + return ret; +} + +static void wlcore_roc_complete_work(struct work_struct *work) +{ + struct delayed_work *dwork; + struct wl1271 *wl; + int ret; + + dwork = container_of(work, struct delayed_work, work); + wl = container_of(dwork, struct wl1271, roc_complete_work); + + ret = wlcore_roc_completed(wl); + if (!ret) + ieee80211_remain_on_channel_expired(wl->hw); +} + +static int wlcore_op_cancel_remain_on_channel(struct ieee80211_hw *hw) +{ + struct wl1271 *wl = hw->priv; + + wl1271_debug(DEBUG_MAC80211, "mac80211 croc"); + + /* TODO: per-vif */ + wl1271_tx_flush(wl); + + /* + * we can't just flush_work here, because it might deadlock + * (as we might get called from the same workqueue) + */ + cancel_delayed_work_sync(&wl->roc_complete_work); + wlcore_roc_completed(wl); + + return 0; +} + +static void wlcore_op_sta_rc_update(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + u32 changed) +{ + struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); + struct wl1271 *wl = hw->priv; + + wlcore_hw_sta_rc_update(wl, wlvif, sta, changed); +} + static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) { struct wl1271 *wl = hw->priv; @@ -4747,20 +5157,20 @@ static struct ieee80211_rate wl1271_rates[] = { /* can't be const, mac80211 writes to this */ static struct ieee80211_channel wl1271_channels[] = { - { .hw_value = 1, .center_freq = 2412, .max_power = 25 }, - { .hw_value = 2, .center_freq = 2417, .max_power = 25 }, - { .hw_value = 3, .center_freq = 2422, .max_power = 25 }, - { .hw_value = 4, .center_freq = 2427, .max_power = 25 }, - { .hw_value = 5, .center_freq = 2432, .max_power = 25 }, - { .hw_value = 6, .center_freq = 2437, .max_power = 25 }, - { .hw_value = 7, .center_freq = 2442, .max_power = 25 }, - { .hw_value = 8, .center_freq = 2447, .max_power = 25 }, - { .hw_value = 9, .center_freq = 2452, .max_power = 25 }, - { .hw_value = 10, .center_freq = 2457, .max_power = 25 }, - { .hw_value = 11, .center_freq = 2462, .max_power = 25 }, - { .hw_value = 12, .center_freq = 2467, .max_power = 25 }, - { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, - { .hw_value = 14, .center_freq = 2484, .max_power = 25 }, + { .hw_value = 1, .center_freq = 2412, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 2, .center_freq = 2417, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 3, .center_freq = 2422, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 4, .center_freq = 2427, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 5, .center_freq = 2432, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 6, .center_freq = 2437, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 7, .center_freq = 2442, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 8, .center_freq = 2447, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 9, .center_freq = 2452, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 10, .center_freq = 2457, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 11, .center_freq = 2462, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 12, .center_freq = 2467, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 13, .center_freq = 2472, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 14, .center_freq = 2484, .max_power = WLCORE_MAX_TXPWR }, }; /* can't be const, mac80211 writes to this */ @@ -4801,40 +5211,40 @@ static struct ieee80211_rate wl1271_rates_5ghz[] = { /* 5 GHz band channels for WL1273 */ static struct ieee80211_channel wl1271_channels_5ghz[] = { - { .hw_value = 7, .center_freq = 5035, .max_power = 25 }, - { .hw_value = 8, .center_freq = 5040, .max_power = 25 }, - { .hw_value = 9, .center_freq = 5045, .max_power = 25 }, - { .hw_value = 11, .center_freq = 5055, .max_power = 25 }, - { .hw_value = 12, .center_freq = 5060, .max_power = 25 }, - { .hw_value = 16, .center_freq = 5080, .max_power = 25 }, - { .hw_value = 34, .center_freq = 5170, .max_power = 25 }, - { .hw_value = 36, .center_freq = 5180, .max_power = 25 }, - { .hw_value = 38, .center_freq = 5190, .max_power = 25 }, - { .hw_value = 40, .center_freq = 5200, .max_power = 25 }, - { .hw_value = 42, .center_freq = 5210, .max_power = 25 }, - { .hw_value = 44, .center_freq = 5220, .max_power = 25 }, - { .hw_value = 46, .center_freq = 5230, .max_power = 25 }, - { .hw_value = 48, .center_freq = 5240, .max_power = 25 }, - { .hw_value = 52, .center_freq = 5260, .max_power = 25 }, - { .hw_value = 56, .center_freq = 5280, .max_power = 25 }, - { .hw_value = 60, .center_freq = 5300, .max_power = 25 }, - { .hw_value = 64, .center_freq = 5320, .max_power = 25 }, - { .hw_value = 100, .center_freq = 5500, .max_power = 25 }, - { .hw_value = 104, .center_freq = 5520, .max_power = 25 }, - { .hw_value = 108, .center_freq = 5540, .max_power = 25 }, - { .hw_value = 112, .center_freq = 5560, .max_power = 25 }, - { .hw_value = 116, .center_freq = 5580, .max_power = 25 }, - { .hw_value = 120, .center_freq = 5600, .max_power = 25 }, - { .hw_value = 124, .center_freq = 5620, .max_power = 25 }, - { .hw_value = 128, .center_freq = 5640, .max_power = 25 }, - { .hw_value = 132, .center_freq = 5660, .max_power = 25 }, - { .hw_value = 136, .center_freq = 5680, .max_power = 25 }, - { .hw_value = 140, .center_freq = 5700, .max_power = 25 }, - { .hw_value = 149, .center_freq = 5745, .max_power = 25 }, - { .hw_value = 153, .center_freq = 5765, .max_power = 25 }, - { .hw_value = 157, .center_freq = 5785, .max_power = 25 }, - { .hw_value = 161, .center_freq = 5805, .max_power = 25 }, - { .hw_value = 165, .center_freq = 5825, .max_power = 25 }, + { .hw_value = 7, .center_freq = 5035, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 8, .center_freq = 5040, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 9, .center_freq = 5045, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 11, .center_freq = 5055, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 12, .center_freq = 5060, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 16, .center_freq = 5080, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 34, .center_freq = 5170, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 36, .center_freq = 5180, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 38, .center_freq = 5190, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 40, .center_freq = 5200, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 42, .center_freq = 5210, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 44, .center_freq = 5220, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 46, .center_freq = 5230, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 48, .center_freq = 5240, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 52, .center_freq = 5260, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 56, .center_freq = 5280, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 60, .center_freq = 5300, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 64, .center_freq = 5320, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 100, .center_freq = 5500, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 104, .center_freq = 5520, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 108, .center_freq = 5540, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 112, .center_freq = 5560, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 116, .center_freq = 5580, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 120, .center_freq = 5600, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 124, .center_freq = 5620, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 128, .center_freq = 5640, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 132, .center_freq = 5660, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 136, .center_freq = 5680, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 140, .center_freq = 5700, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 149, .center_freq = 5745, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 153, .center_freq = 5765, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 157, .center_freq = 5785, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 161, .center_freq = 5805, .max_power = WLCORE_MAX_TXPWR }, + { .hw_value = 165, .center_freq = 5825, .max_power = WLCORE_MAX_TXPWR }, }; static struct ieee80211_supported_band wl1271_band_5ghz = { @@ -4875,6 +5285,14 @@ static const struct ieee80211_ops wl1271_ops = { .set_bitrate_mask = wl12xx_set_bitrate_mask, .channel_switch = wl12xx_op_channel_switch, .flush = wlcore_op_flush, + .remain_on_channel = wlcore_op_remain_on_channel, + .cancel_remain_on_channel = wlcore_op_cancel_remain_on_channel, + .add_chanctx = wlcore_op_add_chanctx, + .remove_chanctx = wlcore_op_remove_chanctx, + .change_chanctx = wlcore_op_change_chanctx, + .assign_vif_chanctx = wlcore_op_assign_vif_chanctx, + .unassign_vif_chanctx = wlcore_op_unassign_vif_chanctx, + .sta_rc_update = wlcore_op_sta_rc_update, CFG80211_TESTMODE_CMD(wl1271_tm_cmd) }; @@ -5044,34 +5462,6 @@ static struct bin_attribute fwlog_attr = { .read = wl1271_sysfs_read_fwlog, }; -static void wl1271_connection_loss_work(struct work_struct *work) -{ - struct delayed_work *dwork; - struct wl1271 *wl; - struct ieee80211_vif *vif; - struct wl12xx_vif *wlvif; - - dwork = container_of(work, struct delayed_work, work); - wl = container_of(dwork, struct wl1271, connection_loss_work); - - wl1271_info("Connection loss work."); - - mutex_lock(&wl->mutex); - - if (unlikely(wl->state != WLCORE_STATE_ON)) - goto out; - - /* Call mac80211 connection loss */ - wl12xx_for_each_wlvif_sta(wl, wlvif) { - if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) - goto out; - vif = wl12xx_wlvif_to_vif(wlvif); - ieee80211_connection_loss(vif); - } -out: - mutex_unlock(&wl->mutex); -} - static void wl12xx_derive_mac_addresses(struct wl1271 *wl, u32 oui, u32 nic) { int i; @@ -5117,7 +5507,7 @@ static int wl12xx_get_hw_info(struct wl1271 *wl) ret = wl12xx_set_power_on(wl); if (ret < 0) - goto out; + return ret; ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &wl->chip.id); if (ret < 0) @@ -5207,10 +5597,9 @@ static const struct ieee80211_iface_limit wlcore_iface_limits[] = { }, }; -static const struct ieee80211_iface_combination +static struct ieee80211_iface_combination wlcore_iface_combinations[] = { { - .num_different_channels = 1, .max_interfaces = 3, .limits = wlcore_iface_limits, .n_limits = ARRAY_SIZE(wlcore_iface_limits), @@ -5219,6 +5608,7 @@ wlcore_iface_combinations[] = { static int wl1271_init_ieee80211(struct wl1271 *wl) { + int i; static const u32 cipher_suites[] = { WLAN_CIPHER_SUITE_WEP40, WLAN_CIPHER_SUITE_WEP104, @@ -5249,7 +5639,8 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) IEEE80211_HW_AP_LINK_PS | IEEE80211_HW_AMPDU_AGGREGATION | IEEE80211_HW_TX_AMPDU_SETUP_IN_HW | - IEEE80211_HW_SCAN_WHILE_IDLE; + IEEE80211_HW_SCAN_WHILE_IDLE | + IEEE80211_HW_QUEUE_CONTROL; wl->hw->wiphy->cipher_suites = cipher_suites; wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); @@ -5271,6 +5662,8 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) wl->hw->wiphy->max_sched_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - sizeof(struct ieee80211_header); + wl->hw->wiphy->max_remain_on_channel_duration = 5000; + wl->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; @@ -5279,6 +5672,22 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) ARRAY_SIZE(wl1271_channels_5ghz) > WL1271_MAX_CHANNELS); /* + * clear channel flags from the previous usage + * and restore max_power & max_antenna_gain values. + */ + for (i = 0; i < ARRAY_SIZE(wl1271_channels); i++) { + wl1271_band_2ghz.channels[i].flags = 0; + wl1271_band_2ghz.channels[i].max_power = WLCORE_MAX_TXPWR; + wl1271_band_2ghz.channels[i].max_antenna_gain = 0; + } + + for (i = 0; i < ARRAY_SIZE(wl1271_channels_5ghz); i++) { + wl1271_band_5ghz.channels[i].flags = 0; + wl1271_band_5ghz.channels[i].max_power = WLCORE_MAX_TXPWR; + wl1271_band_5ghz.channels[i].max_antenna_gain = 0; + } + + /* * We keep local copies of the band structs because we need to * modify them on a per-device basis. */ @@ -5298,7 +5707,14 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl->bands[IEEE80211_BAND_5GHZ]; - wl->hw->queues = 4; + /* + * allow 4 queues per mac address we support + + * 1 cab queue per mac + one global offchannel Tx queue + */ + wl->hw->queues = (NUM_TX_QUEUES + 1) * WLCORE_NUM_MAC_ADDRESSES + 1; + + /* the last queue is the offchannel queue */ + wl->hw->offchannel_tx_hw_queue = wl->hw->queues - 1; wl->hw->max_rates = 1; wl->hw->wiphy->reg_notifier = wl1271_reg_notify; @@ -5311,6 +5727,7 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; /* allowed interface combinations */ + wlcore_iface_combinations[0].num_different_channels = wl->num_channels; wl->hw->wiphy->iface_combinations = wlcore_iface_combinations; wl->hw->wiphy->n_iface_combinations = ARRAY_SIZE(wlcore_iface_combinations); @@ -5327,7 +5744,8 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) #define WL1271_DEFAULT_CHANNEL 0 -struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size) +struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size, + u32 mbox_size) { struct ieee80211_hw *hw; struct wl1271 *wl; @@ -5369,9 +5787,8 @@ struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size) INIT_WORK(&wl->tx_work, wl1271_tx_work); INIT_WORK(&wl->recovery_work, wl1271_recovery_work); INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work); + INIT_DELAYED_WORK(&wl->roc_complete_work, wlcore_roc_complete_work); INIT_DELAYED_WORK(&wl->tx_watchdog_work, wl12xx_tx_watchdog_work); - INIT_DELAYED_WORK(&wl->connection_loss_work, - wl1271_connection_loss_work); wl->freezable_wq = create_freezable_workqueue("wl12xx_wq"); if (!wl->freezable_wq) { @@ -5387,14 +5804,15 @@ struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size) wl->flags = 0; wl->sg_enabled = true; wl->sleep_auth = WL1271_PSM_ILLEGAL; + wl->recovery_count = 0; wl->hw_pg_ver = -1; wl->ap_ps_map = 0; wl->ap_fw_ps_map = 0; wl->quirks = 0; wl->platform_quirks = 0; - wl->sched_scanning = false; wl->system_hlid = WL12XX_SYSTEM_HLID; wl->active_sta_count = 0; + wl->active_link_count = 0; wl->fwlog_size = 0; init_waitqueue_head(&wl->fwlog_waitq); @@ -5434,14 +5852,24 @@ struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size) goto err_dummy_packet; } - wl->mbox = kmalloc(sizeof(*wl->mbox), GFP_KERNEL | GFP_DMA); + wl->mbox_size = mbox_size; + wl->mbox = kmalloc(wl->mbox_size, GFP_KERNEL | GFP_DMA); if (!wl->mbox) { ret = -ENOMEM; goto err_fwlog; } + wl->buffer_32 = kmalloc(sizeof(*wl->buffer_32), GFP_KERNEL); + if (!wl->buffer_32) { + ret = -ENOMEM; + goto err_mbox; + } + return hw; +err_mbox: + kfree(wl->mbox); + err_fwlog: free_page((unsigned long)wl->fwlog); @@ -5480,6 +5908,8 @@ int wlcore_free_hw(struct wl1271 *wl) device_remove_file(wl->dev, &dev_attr_hw_pg_ver); device_remove_file(wl->dev, &dev_attr_bt_coex_state); + kfree(wl->buffer_32); + kfree(wl->mbox); free_page((unsigned long)wl->fwlog); dev_kfree_skb(wl->dummy_packet); free_pages((unsigned long)wl->aggr_buf, get_order(wl->aggr_buf_size)); @@ -5712,10 +6142,10 @@ module_param_named(fwlog, fwlog_param, charp, 0); MODULE_PARM_DESC(fwlog, "FW logger options: continuous, ondemand, dbgpins or disable"); -module_param(bug_on_recovery, bool, S_IRUSR | S_IWUSR); +module_param(bug_on_recovery, int, S_IRUSR | S_IWUSR); MODULE_PARM_DESC(bug_on_recovery, "BUG() on fw recovery"); -module_param(no_recovery, bool, S_IRUSR | S_IWUSR); +module_param(no_recovery, int, S_IRUSR | S_IWUSR); MODULE_PARM_DESC(no_recovery, "Prevent HW recovery. FW will remain stuck."); MODULE_LICENSE("GPL"); diff --git a/drivers/net/wireless/ti/wlcore/ps.c b/drivers/net/wireless/ti/wlcore/ps.c index 4d1414a673fb..9b7b6e2e4fbc 100644 --- a/drivers/net/wireless/ti/wlcore/ps.c +++ b/drivers/net/wireless/ti/wlcore/ps.c @@ -151,9 +151,6 @@ int wl1271_ps_elp_wakeup(struct wl1271 *wl) wl12xx_queue_recovery_work(wl); ret = -ETIMEDOUT; goto err; - } else if (ret < 0) { - wl1271_error("ELP wakeup completion error."); - goto err; } } @@ -242,11 +239,12 @@ static void wl1271_ps_filter_frames(struct wl1271 *wl, u8 hlid) struct ieee80211_tx_info *info; unsigned long flags; int filtered[NUM_TX_QUEUES]; + struct wl1271_link *lnk = &wl->links[hlid]; /* filter all frames currently in the low level queues for this hlid */ for (i = 0; i < NUM_TX_QUEUES; i++) { filtered[i] = 0; - while ((skb = skb_dequeue(&wl->links[hlid].tx_queue[i]))) { + while ((skb = skb_dequeue(&lnk->tx_queue[i]))) { filtered[i]++; if (WARN_ON(wl12xx_is_dummy_packet(wl, skb))) @@ -260,8 +258,11 @@ static void wl1271_ps_filter_frames(struct wl1271 *wl, u8 hlid) } spin_lock_irqsave(&wl->wl_lock, flags); - for (i = 0; i < NUM_TX_QUEUES; i++) + for (i = 0; i < NUM_TX_QUEUES; i++) { wl->tx_queue_count[i] -= filtered[i]; + if (lnk->wlvif) + lnk->wlvif->tx_queue_count[i] -= filtered[i]; + } spin_unlock_irqrestore(&wl->wl_lock, flags); wl1271_handle_tx_low_watermark(wl); diff --git a/drivers/net/wireless/ti/wlcore/rx.c b/drivers/net/wireless/ti/wlcore/rx.c index 9ee0ec6fd1db..6791a1a6afba 100644 --- a/drivers/net/wireless/ti/wlcore/rx.c +++ b/drivers/net/wireless/ti/wlcore/rx.c @@ -92,11 +92,16 @@ static void wl1271_rx_status(struct wl1271 *wl, status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED | RX_FLAG_DECRYPTED; - if (unlikely(desc_err_code == WL1271_RX_DESC_MIC_FAIL)) { + if (unlikely(desc_err_code & WL1271_RX_DESC_MIC_FAIL)) { status->flag |= RX_FLAG_MMIC_ERROR; - wl1271_warning("Michael MIC error"); + wl1271_warning("Michael MIC error. Desc: 0x%x", + desc_err_code); } } + + if (beacon) + wlcore_set_pending_regdomain_ch(wl, (u16)desc->channel, + status->band); } static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, @@ -108,7 +113,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, u8 *buf; u8 beacon = 0; u8 is_data = 0; - u8 reserved = 0; + u8 reserved = 0, offset_to_data = 0; u16 seq_num; u32 pkt_data_len; @@ -128,6 +133,8 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, if (rx_align == WLCORE_RX_BUF_UNALIGNED) reserved = RX_BUF_ALIGN; + else if (rx_align == WLCORE_RX_BUF_PADDED) + offset_to_data = RX_BUF_ALIGN; /* the data read starts with the descriptor */ desc = (struct wl1271_rx_descriptor *) data; @@ -139,19 +146,15 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, return 0; } - switch (desc->status & WL1271_RX_DESC_STATUS_MASK) { /* discard corrupted packets */ - case WL1271_RX_DESC_DRIVER_RX_Q_FAIL: - case WL1271_RX_DESC_DECRYPT_FAIL: - wl1271_warning("corrupted packet in RX with status: 0x%x", - desc->status & WL1271_RX_DESC_STATUS_MASK); - return -EINVAL; - case WL1271_RX_DESC_SUCCESS: - case WL1271_RX_DESC_MIC_FAIL: - break; - default: - wl1271_error("invalid RX descriptor status: 0x%x", - desc->status & WL1271_RX_DESC_STATUS_MASK); + if (desc->status & WL1271_RX_DESC_DECRYPT_FAIL) { + hdr = (void *)(data + sizeof(*desc) + offset_to_data); + wl1271_warning("corrupted packet in RX: status: 0x%x len: %d", + desc->status & WL1271_RX_DESC_STATUS_MASK, + pkt_data_len); + wl1271_dump((DEBUG_RX|DEBUG_CMD), "PKT: ", data + sizeof(*desc), + min(pkt_data_len, + ieee80211_hdrlen(hdr->frame_control))); return -EINVAL; } diff --git a/drivers/net/wireless/ti/wlcore/rx.h b/drivers/net/wireless/ti/wlcore/rx.h index 71eba1899915..3363f60fb7da 100644 --- a/drivers/net/wireless/ti/wlcore/rx.h +++ b/drivers/net/wireless/ti/wlcore/rx.h @@ -84,12 +84,11 @@ * Bits 3-5 - process_id tag (AP mode FW) * Bits 6-7 - reserved */ -#define WL1271_RX_DESC_STATUS_MASK 0x03 +#define WL1271_RX_DESC_STATUS_MASK 0x07 #define WL1271_RX_DESC_SUCCESS 0x00 #define WL1271_RX_DESC_DECRYPT_FAIL 0x01 #define WL1271_RX_DESC_MIC_FAIL 0x02 -#define WL1271_RX_DESC_DRIVER_RX_Q_FAIL 0x03 #define RX_MEM_BLOCK_MASK 0xFF #define RX_BUF_SIZE_MASK 0xFFF00 diff --git a/drivers/net/wireless/ti/wlcore/scan.c b/drivers/net/wireless/ti/wlcore/scan.c index d00501493dfe..f407101e525b 100644 --- a/drivers/net/wireless/ti/wlcore/scan.c +++ b/drivers/net/wireless/ti/wlcore/scan.c @@ -35,7 +35,6 @@ void wl1271_scan_complete_work(struct work_struct *work) { struct delayed_work *dwork; struct wl1271 *wl; - struct ieee80211_vif *vif; struct wl12xx_vif *wlvif; int ret; @@ -52,8 +51,7 @@ void wl1271_scan_complete_work(struct work_struct *work) if (wl->scan.state == WL1271_SCAN_STATE_IDLE) goto out; - vif = wl->scan_vif; - wlvif = wl12xx_vif_to_data(vif); + wlvif = wl->scan_wlvif; /* * Rearm the tx watchdog just before idling scan. This @@ -64,7 +62,7 @@ void wl1271_scan_complete_work(struct work_struct *work) wl->scan.state = WL1271_SCAN_STATE_IDLE; memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); wl->scan.req = NULL; - wl->scan_vif = NULL; + wl->scan_wlvif = NULL; ret = wl1271_ps_elp_wakeup(wl); if (ret < 0) @@ -82,6 +80,8 @@ void wl1271_scan_complete_work(struct work_struct *work) wl12xx_queue_recovery_work(wl); } + wlcore_cmd_regdomain_config_locked(wl); + ieee80211_scan_completed(wl->hw, false); out: @@ -89,371 +89,99 @@ out: } - -static int wl1271_get_scan_channels(struct wl1271 *wl, - struct cfg80211_scan_request *req, - struct basic_scan_channel_params *channels, - enum ieee80211_band band, bool passive) -{ - struct conf_scan_settings *c = &wl->conf.scan; - int i, j; - u32 flags; - - for (i = 0, j = 0; - i < req->n_channels && j < WL1271_SCAN_MAX_CHANNELS; - i++) { - flags = req->channels[i]->flags; - - if (!test_bit(i, wl->scan.scanned_ch) && - !(flags & IEEE80211_CHAN_DISABLED) && - (req->channels[i]->band == band) && - /* - * In passive scans, we scan all remaining - * channels, even if not marked as such. - * In active scans, we only scan channels not - * marked as passive. - */ - (passive || !(flags & IEEE80211_CHAN_PASSIVE_SCAN))) { - wl1271_debug(DEBUG_SCAN, "band %d, center_freq %d ", - req->channels[i]->band, - req->channels[i]->center_freq); - wl1271_debug(DEBUG_SCAN, "hw_value %d, flags %X", - req->channels[i]->hw_value, - req->channels[i]->flags); - wl1271_debug(DEBUG_SCAN, - "max_antenna_gain %d, max_power %d", - req->channels[i]->max_antenna_gain, - req->channels[i]->max_power); - wl1271_debug(DEBUG_SCAN, "beacon_found %d", - req->channels[i]->beacon_found); - - if (!passive) { - channels[j].min_duration = - cpu_to_le32(c->min_dwell_time_active); - channels[j].max_duration = - cpu_to_le32(c->max_dwell_time_active); - } else { - channels[j].min_duration = - cpu_to_le32(c->min_dwell_time_passive); - channels[j].max_duration = - cpu_to_le32(c->max_dwell_time_passive); - } - channels[j].early_termination = 0; - channels[j].tx_power_att = req->channels[i]->max_power; - channels[j].channel = req->channels[i]->hw_value; - - memset(&channels[j].bssid_lsb, 0xff, 4); - memset(&channels[j].bssid_msb, 0xff, 2); - - /* Mark the channels we already used */ - set_bit(i, wl->scan.scanned_ch); - - j++; - } - } - - return j; -} - -#define WL1271_NOTHING_TO_SCAN 1 - -static int wl1271_scan_send(struct wl1271 *wl, struct ieee80211_vif *vif, - enum ieee80211_band band, - bool passive, u32 basic_rate) +static void wlcore_started_vifs_iter(void *data, u8 *mac, + struct ieee80211_vif *vif) { - struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); - struct wl1271_cmd_scan *cmd; - struct wl1271_cmd_trigger_scan_to *trigger; - int ret; - u16 scan_options = 0; - - /* skip active scans if we don't have SSIDs */ - if (!passive && wl->scan.req->n_ssids == 0) - return WL1271_NOTHING_TO_SCAN; - - cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); - trigger = kzalloc(sizeof(*trigger), GFP_KERNEL); - if (!cmd || !trigger) { - ret = -ENOMEM; - goto out; - } - - if (wl->conf.scan.split_scan_timeout) - scan_options |= WL1271_SCAN_OPT_SPLIT_SCAN; - - if (passive) - scan_options |= WL1271_SCAN_OPT_PASSIVE; - - cmd->params.role_id = wlvif->role_id; - - if (WARN_ON(cmd->params.role_id == WL12XX_INVALID_ROLE_ID)) { - ret = -EINVAL; - goto out; - } - - cmd->params.scan_options = cpu_to_le16(scan_options); - - cmd->params.n_ch = wl1271_get_scan_channels(wl, wl->scan.req, - cmd->channels, - band, passive); - if (cmd->params.n_ch == 0) { - ret = WL1271_NOTHING_TO_SCAN; - goto out; - } - - cmd->params.tx_rate = cpu_to_le32(basic_rate); - cmd->params.n_probe_reqs = wl->conf.scan.num_probe_reqs; - cmd->params.tid_trigger = CONF_TX_AC_ANY_TID; - cmd->params.scan_tag = WL1271_SCAN_DEFAULT_TAG; - - if (band == IEEE80211_BAND_2GHZ) - cmd->params.band = WL1271_SCAN_BAND_2_4_GHZ; - else - cmd->params.band = WL1271_SCAN_BAND_5_GHZ; - - if (wl->scan.ssid_len && wl->scan.ssid) { - cmd->params.ssid_len = wl->scan.ssid_len; - memcpy(cmd->params.ssid, wl->scan.ssid, wl->scan.ssid_len); - } - - memcpy(cmd->addr, vif->addr, ETH_ALEN); - - ret = wl12xx_cmd_build_probe_req(wl, wlvif, - cmd->params.role_id, band, - wl->scan.ssid, wl->scan.ssid_len, - wl->scan.req->ie, - wl->scan.req->ie_len, false); - if (ret < 0) { - wl1271_error("PROBE request template failed"); - goto out; - } - - trigger->timeout = cpu_to_le32(wl->conf.scan.split_scan_timeout); - ret = wl1271_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger, - sizeof(*trigger), 0); - if (ret < 0) { - wl1271_error("trigger scan to failed for hw scan"); - goto out; - } - - wl1271_dump(DEBUG_SCAN, "SCAN: ", cmd, sizeof(*cmd)); + int *count = (int *)data; - ret = wl1271_cmd_send(wl, CMD_SCAN, cmd, sizeof(*cmd), 0); - if (ret < 0) { - wl1271_error("SCAN failed"); - goto out; - } - -out: - kfree(cmd); - kfree(trigger); - return ret; + if (!vif->bss_conf.idle) + (*count)++; } -void wl1271_scan_stm(struct wl1271 *wl, struct ieee80211_vif *vif) +static int wlcore_count_started_vifs(struct wl1271 *wl) { - struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); - int ret = 0; - enum ieee80211_band band; - u32 rate, mask; - - switch (wl->scan.state) { - case WL1271_SCAN_STATE_IDLE: - break; - - case WL1271_SCAN_STATE_2GHZ_ACTIVE: - band = IEEE80211_BAND_2GHZ; - mask = wlvif->bitrate_masks[band]; - if (wl->scan.req->no_cck) { - mask &= ~CONF_TX_CCK_RATES; - if (!mask) - mask = CONF_TX_RATE_MASK_BASIC_P2P; - } - rate = wl1271_tx_min_rate_get(wl, mask); - ret = wl1271_scan_send(wl, vif, band, false, rate); - if (ret == WL1271_NOTHING_TO_SCAN) { - wl->scan.state = WL1271_SCAN_STATE_2GHZ_PASSIVE; - wl1271_scan_stm(wl, vif); - } - - break; - - case WL1271_SCAN_STATE_2GHZ_PASSIVE: - band = IEEE80211_BAND_2GHZ; - mask = wlvif->bitrate_masks[band]; - if (wl->scan.req->no_cck) { - mask &= ~CONF_TX_CCK_RATES; - if (!mask) - mask = CONF_TX_RATE_MASK_BASIC_P2P; - } - rate = wl1271_tx_min_rate_get(wl, mask); - ret = wl1271_scan_send(wl, vif, band, true, rate); - if (ret == WL1271_NOTHING_TO_SCAN) { - if (wl->enable_11a) - wl->scan.state = WL1271_SCAN_STATE_5GHZ_ACTIVE; - else - wl->scan.state = WL1271_SCAN_STATE_DONE; - wl1271_scan_stm(wl, vif); - } - - break; + int count = 0; - case WL1271_SCAN_STATE_5GHZ_ACTIVE: - band = IEEE80211_BAND_5GHZ; - rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); - ret = wl1271_scan_send(wl, vif, band, false, rate); - if (ret == WL1271_NOTHING_TO_SCAN) { - wl->scan.state = WL1271_SCAN_STATE_5GHZ_PASSIVE; - wl1271_scan_stm(wl, vif); - } - - break; - - case WL1271_SCAN_STATE_5GHZ_PASSIVE: - band = IEEE80211_BAND_5GHZ; - rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); - ret = wl1271_scan_send(wl, vif, band, true, rate); - if (ret == WL1271_NOTHING_TO_SCAN) { - wl->scan.state = WL1271_SCAN_STATE_DONE; - wl1271_scan_stm(wl, vif); - } - - break; - - case WL1271_SCAN_STATE_DONE: - wl->scan.failed = false; - cancel_delayed_work(&wl->scan_complete_work); - ieee80211_queue_delayed_work(wl->hw, &wl->scan_complete_work, - msecs_to_jiffies(0)); - break; - - default: - wl1271_error("invalid scan state"); - break; - } - - if (ret < 0) { - cancel_delayed_work(&wl->scan_complete_work); - ieee80211_queue_delayed_work(wl->hw, &wl->scan_complete_work, - msecs_to_jiffies(0)); - } -} - -int wl1271_scan(struct wl1271 *wl, struct ieee80211_vif *vif, - const u8 *ssid, size_t ssid_len, - struct cfg80211_scan_request *req) -{ - /* - * cfg80211 should guarantee that we don't get more channels - * than what we have registered. - */ - BUG_ON(req->n_channels > WL1271_MAX_CHANNELS); - - if (wl->scan.state != WL1271_SCAN_STATE_IDLE) - return -EBUSY; - - wl->scan.state = WL1271_SCAN_STATE_2GHZ_ACTIVE; - - if (ssid_len && ssid) { - wl->scan.ssid_len = ssid_len; - memcpy(wl->scan.ssid, ssid, ssid_len); - } else { - wl->scan.ssid_len = 0; - } - - wl->scan_vif = vif; - wl->scan.req = req; - memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); - - /* we assume failure so that timeout scenarios are handled correctly */ - wl->scan.failed = true; - ieee80211_queue_delayed_work(wl->hw, &wl->scan_complete_work, - msecs_to_jiffies(WL1271_SCAN_TIMEOUT)); - - wl1271_scan_stm(wl, vif); - - return 0; -} - -int wl1271_scan_stop(struct wl1271 *wl) -{ - struct wl1271_cmd_header *cmd = NULL; - int ret = 0; - - if (WARN_ON(wl->scan.state == WL1271_SCAN_STATE_IDLE)) - return -EINVAL; - - wl1271_debug(DEBUG_CMD, "cmd scan stop"); - - cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); - if (!cmd) { - ret = -ENOMEM; - goto out; - } - - ret = wl1271_cmd_send(wl, CMD_STOP_SCAN, cmd, - sizeof(*cmd), 0); - if (ret < 0) { - wl1271_error("cmd stop_scan failed"); - goto out; - } -out: - kfree(cmd); - return ret; + ieee80211_iterate_active_interfaces_atomic(wl->hw, + IEEE80211_IFACE_ITER_RESUME_ALL, + wlcore_started_vifs_iter, &count); + return count; } static int -wl1271_scan_get_sched_scan_channels(struct wl1271 *wl, - struct cfg80211_sched_scan_request *req, - struct conn_scan_ch_params *channels, - u32 band, bool radar, bool passive, - int start, int max_channels, - u8 *n_pactive_ch) +wlcore_scan_get_channels(struct wl1271 *wl, + struct ieee80211_channel *req_channels[], + u32 n_channels, + u32 n_ssids, + struct conn_scan_ch_params *channels, + u32 band, bool radar, bool passive, + int start, int max_channels, + u8 *n_pactive_ch, + int scan_type) { - struct conf_sched_scan_settings *c = &wl->conf.sched_scan; int i, j; u32 flags; - bool force_passive = !req->n_ssids; - u32 min_dwell_time_active, max_dwell_time_active, delta_per_probe; + bool force_passive = !n_ssids; + u32 min_dwell_time_active, max_dwell_time_active; u32 dwell_time_passive, dwell_time_dfs; - if (band == IEEE80211_BAND_5GHZ) - delta_per_probe = c->dwell_time_delta_per_probe_5; - else - delta_per_probe = c->dwell_time_delta_per_probe; + /* configure dwell times according to scan type */ + if (scan_type == SCAN_TYPE_SEARCH) { + struct conf_scan_settings *c = &wl->conf.scan; + bool active_vif_exists = !!wlcore_count_started_vifs(wl); + + min_dwell_time_active = active_vif_exists ? + c->min_dwell_time_active : + c->min_dwell_time_active_long; + max_dwell_time_active = active_vif_exists ? + c->max_dwell_time_active : + c->max_dwell_time_active_long; + dwell_time_passive = c->dwell_time_passive; + dwell_time_dfs = c->dwell_time_dfs; + } else { + struct conf_sched_scan_settings *c = &wl->conf.sched_scan; + u32 delta_per_probe; - min_dwell_time_active = c->base_dwell_time + - req->n_ssids * c->num_probe_reqs * delta_per_probe; + if (band == IEEE80211_BAND_5GHZ) + delta_per_probe = c->dwell_time_delta_per_probe_5; + else + delta_per_probe = c->dwell_time_delta_per_probe; - max_dwell_time_active = min_dwell_time_active + c->max_dwell_time_delta; + min_dwell_time_active = c->base_dwell_time + + n_ssids * c->num_probe_reqs * delta_per_probe; + max_dwell_time_active = min_dwell_time_active + + c->max_dwell_time_delta; + dwell_time_passive = c->dwell_time_passive; + dwell_time_dfs = c->dwell_time_dfs; + } min_dwell_time_active = DIV_ROUND_UP(min_dwell_time_active, 1000); max_dwell_time_active = DIV_ROUND_UP(max_dwell_time_active, 1000); - dwell_time_passive = DIV_ROUND_UP(c->dwell_time_passive, 1000); - dwell_time_dfs = DIV_ROUND_UP(c->dwell_time_dfs, 1000); + dwell_time_passive = DIV_ROUND_UP(dwell_time_passive, 1000); + dwell_time_dfs = DIV_ROUND_UP(dwell_time_dfs, 1000); for (i = 0, j = start; - i < req->n_channels && j < max_channels; + i < n_channels && j < max_channels; i++) { - flags = req->channels[i]->flags; + flags = req_channels[i]->flags; if (force_passive) flags |= IEEE80211_CHAN_PASSIVE_SCAN; - if ((req->channels[i]->band == band) && + if ((req_channels[i]->band == band) && !(flags & IEEE80211_CHAN_DISABLED) && (!!(flags & IEEE80211_CHAN_RADAR) == radar) && /* if radar is set, we ignore the passive flag */ (radar || !!(flags & IEEE80211_CHAN_PASSIVE_SCAN) == passive)) { wl1271_debug(DEBUG_SCAN, "band %d, center_freq %d ", - req->channels[i]->band, - req->channels[i]->center_freq); + req_channels[i]->band, + req_channels[i]->center_freq); wl1271_debug(DEBUG_SCAN, "hw_value %d, flags %X", - req->channels[i]->hw_value, - req->channels[i]->flags); + req_channels[i]->hw_value, + req_channels[i]->flags); wl1271_debug(DEBUG_SCAN, "max_power %d", - req->channels[i]->max_power); + req_channels[i]->max_power); wl1271_debug(DEBUG_SCAN, "min_dwell_time %d max dwell time %d", min_dwell_time_active, max_dwell_time_active); @@ -473,10 +201,11 @@ wl1271_scan_get_sched_scan_channels(struct wl1271 *wl, channels[j].max_duration = cpu_to_le16(max_dwell_time_active); - channels[j].tx_power_att = req->channels[i]->max_power; - channels[j].channel = req->channels[i]->hw_value; + channels[j].tx_power_att = req_channels[i]->max_power; + channels[j].channel = req_channels[i]->hw_value; - if ((band == IEEE80211_BAND_2GHZ) && + if (n_pactive_ch && + (band == IEEE80211_BAND_2GHZ) && (channels[j].channel >= 12) && (channels[j].channel <= 14) && (flags & IEEE80211_CHAN_PASSIVE_SCAN) && @@ -500,51 +229,80 @@ wl1271_scan_get_sched_scan_channels(struct wl1271 *wl, return j - start; } -static bool -wl1271_scan_sched_scan_channels(struct wl1271 *wl, - struct cfg80211_sched_scan_request *req, - struct wl1271_cmd_sched_scan_config *cfg) +bool +wlcore_set_scan_chan_params(struct wl1271 *wl, + struct wlcore_scan_channels *cfg, + struct ieee80211_channel *channels[], + u32 n_channels, + u32 n_ssids, + int scan_type) { u8 n_pactive_ch = 0; cfg->passive[0] = - wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_2, - IEEE80211_BAND_2GHZ, - false, true, 0, - MAX_CHANNELS_2GHZ, - &n_pactive_ch); + wlcore_scan_get_channels(wl, + channels, + n_channels, + n_ssids, + cfg->channels_2, + IEEE80211_BAND_2GHZ, + false, true, 0, + MAX_CHANNELS_2GHZ, + &n_pactive_ch, + scan_type); cfg->active[0] = - wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_2, - IEEE80211_BAND_2GHZ, - false, false, - cfg->passive[0], - MAX_CHANNELS_2GHZ, - &n_pactive_ch); + wlcore_scan_get_channels(wl, + channels, + n_channels, + n_ssids, + cfg->channels_2, + IEEE80211_BAND_2GHZ, + false, false, + cfg->passive[0], + MAX_CHANNELS_2GHZ, + &n_pactive_ch, + scan_type); cfg->passive[1] = - wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_5, - IEEE80211_BAND_5GHZ, - false, true, 0, - MAX_CHANNELS_5GHZ, - &n_pactive_ch); + wlcore_scan_get_channels(wl, + channels, + n_channels, + n_ssids, + cfg->channels_5, + IEEE80211_BAND_5GHZ, + false, true, 0, + wl->max_channels_5, + &n_pactive_ch, + scan_type); cfg->dfs = - wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_5, - IEEE80211_BAND_5GHZ, - true, true, - cfg->passive[1], - MAX_CHANNELS_5GHZ, - &n_pactive_ch); + wlcore_scan_get_channels(wl, + channels, + n_channels, + n_ssids, + cfg->channels_5, + IEEE80211_BAND_5GHZ, + true, true, + cfg->passive[1], + wl->max_channels_5, + &n_pactive_ch, + scan_type); cfg->active[1] = - wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_5, - IEEE80211_BAND_5GHZ, - false, false, - cfg->passive[1] + cfg->dfs, - MAX_CHANNELS_5GHZ, - &n_pactive_ch); + wlcore_scan_get_channels(wl, + channels, + n_channels, + n_ssids, + cfg->channels_5, + IEEE80211_BAND_5GHZ, + false, false, + cfg->passive[1] + cfg->dfs, + wl->max_channels_5, + &n_pactive_ch, + scan_type); + /* 802.11j channels are not supported yet */ cfg->passive[2] = 0; cfg->active[2] = 0; - cfg->n_pactive_ch = n_pactive_ch; + cfg->passive_active = n_pactive_ch; wl1271_debug(DEBUG_SCAN, " 2.4GHz: active %d passive %d", cfg->active[0], cfg->passive[0]); @@ -556,10 +314,48 @@ wl1271_scan_sched_scan_channels(struct wl1271 *wl, cfg->passive[1] || cfg->active[1] || cfg->dfs || cfg->passive[2] || cfg->active[2]; } +EXPORT_SYMBOL_GPL(wlcore_set_scan_chan_params); + +int wlcore_scan(struct wl1271 *wl, struct ieee80211_vif *vif, + const u8 *ssid, size_t ssid_len, + struct cfg80211_scan_request *req) +{ + struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); + + /* + * cfg80211 should guarantee that we don't get more channels + * than what we have registered. + */ + BUG_ON(req->n_channels > WL1271_MAX_CHANNELS); + + if (wl->scan.state != WL1271_SCAN_STATE_IDLE) + return -EBUSY; + + wl->scan.state = WL1271_SCAN_STATE_2GHZ_ACTIVE; + + if (ssid_len && ssid) { + wl->scan.ssid_len = ssid_len; + memcpy(wl->scan.ssid, ssid, ssid_len); + } else { + wl->scan.ssid_len = 0; + } + + wl->scan_wlvif = wlvif; + wl->scan.req = req; + memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); + + /* we assume failure so that timeout scenarios are handled correctly */ + wl->scan.failed = true; + ieee80211_queue_delayed_work(wl->hw, &wl->scan_complete_work, + msecs_to_jiffies(WL1271_SCAN_TIMEOUT)); + wl->ops->scan_start(wl, wlvif, req); + + return 0; +} /* Returns the scan type to be used or a negative value on error */ -static int -wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl, +int +wlcore_scan_sched_scan_ssid_list(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct cfg80211_sched_scan_request *req) { @@ -662,160 +458,12 @@ out: return ret; return type; } +EXPORT_SYMBOL_GPL(wlcore_scan_sched_scan_ssid_list); -int wl1271_scan_sched_scan_config(struct wl1271 *wl, - struct wl12xx_vif *wlvif, - struct cfg80211_sched_scan_request *req, - struct ieee80211_sched_scan_ies *ies) -{ - struct wl1271_cmd_sched_scan_config *cfg = NULL; - struct conf_sched_scan_settings *c = &wl->conf.sched_scan; - int i, ret; - bool force_passive = !req->n_ssids; - - wl1271_debug(DEBUG_CMD, "cmd sched_scan scan config"); - - cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); - if (!cfg) - return -ENOMEM; - - cfg->role_id = wlvif->role_id; - cfg->rssi_threshold = c->rssi_threshold; - cfg->snr_threshold = c->snr_threshold; - cfg->n_probe_reqs = c->num_probe_reqs; - /* cycles set to 0 it means infinite (until manually stopped) */ - cfg->cycles = 0; - /* report APs when at least 1 is found */ - cfg->report_after = 1; - /* don't stop scanning automatically when something is found */ - cfg->terminate = 0; - cfg->tag = WL1271_SCAN_DEFAULT_TAG; - /* don't filter on BSS type */ - cfg->bss_type = SCAN_BSS_TYPE_ANY; - /* currently NL80211 supports only a single interval */ - for (i = 0; i < SCAN_MAX_CYCLE_INTERVALS; i++) - cfg->intervals[i] = cpu_to_le32(req->interval); - - cfg->ssid_len = 0; - ret = wl12xx_scan_sched_scan_ssid_list(wl, wlvif, req); - if (ret < 0) - goto out; - - cfg->filter_type = ret; - - wl1271_debug(DEBUG_SCAN, "filter_type = %d", cfg->filter_type); - - if (!wl1271_scan_sched_scan_channels(wl, req, cfg)) { - wl1271_error("scan channel list is empty"); - ret = -EINVAL; - goto out; - } - - if (!force_passive && cfg->active[0]) { - u8 band = IEEE80211_BAND_2GHZ; - ret = wl12xx_cmd_build_probe_req(wl, wlvif, - wlvif->role_id, band, - req->ssids[0].ssid, - req->ssids[0].ssid_len, - ies->ie[band], - ies->len[band], true); - if (ret < 0) { - wl1271_error("2.4GHz PROBE request template failed"); - goto out; - } - } - - if (!force_passive && cfg->active[1]) { - u8 band = IEEE80211_BAND_5GHZ; - ret = wl12xx_cmd_build_probe_req(wl, wlvif, - wlvif->role_id, band, - req->ssids[0].ssid, - req->ssids[0].ssid_len, - ies->ie[band], - ies->len[band], true); - if (ret < 0) { - wl1271_error("5GHz PROBE request template failed"); - goto out; - } - } - - wl1271_dump(DEBUG_SCAN, "SCAN_CFG: ", cfg, sizeof(*cfg)); - - ret = wl1271_cmd_send(wl, CMD_CONNECTION_SCAN_CFG, cfg, - sizeof(*cfg), 0); - if (ret < 0) { - wl1271_error("SCAN configuration failed"); - goto out; - } -out: - kfree(cfg); - return ret; -} - -int wl1271_scan_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif) -{ - struct wl1271_cmd_sched_scan_start *start; - int ret = 0; - - wl1271_debug(DEBUG_CMD, "cmd periodic scan start"); - - if (wlvif->bss_type != BSS_TYPE_STA_BSS) - return -EOPNOTSUPP; - - if ((wl->quirks & WLCORE_QUIRK_NO_SCHED_SCAN_WHILE_CONN) && - test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags)) - return -EBUSY; - - start = kzalloc(sizeof(*start), GFP_KERNEL); - if (!start) - return -ENOMEM; - - start->role_id = wlvif->role_id; - start->tag = WL1271_SCAN_DEFAULT_TAG; - - ret = wl1271_cmd_send(wl, CMD_START_PERIODIC_SCAN, start, - sizeof(*start), 0); - if (ret < 0) { - wl1271_error("failed to send scan start command"); - goto out_free; - } - -out_free: - kfree(start); - return ret; -} - -void wl1271_scan_sched_scan_results(struct wl1271 *wl) +void wlcore_scan_sched_scan_results(struct wl1271 *wl) { wl1271_debug(DEBUG_SCAN, "got periodic scan results"); ieee80211_sched_scan_results(wl->hw); } - -void wl1271_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif) -{ - struct wl1271_cmd_sched_scan_stop *stop; - int ret = 0; - - wl1271_debug(DEBUG_CMD, "cmd periodic scan stop"); - - /* FIXME: what to do if alloc'ing to stop fails? */ - stop = kzalloc(sizeof(*stop), GFP_KERNEL); - if (!stop) { - wl1271_error("failed to alloc memory to send sched scan stop"); - return; - } - - stop->role_id = wlvif->role_id; - stop->tag = WL1271_SCAN_DEFAULT_TAG; - - ret = wl1271_cmd_send(wl, CMD_STOP_PERIODIC_SCAN, stop, - sizeof(*stop), 0); - if (ret < 0) { - wl1271_error("failed to send sched scan stop command"); - goto out_free; - } - -out_free: - kfree(stop); -} +EXPORT_SYMBOL_GPL(wlcore_scan_sched_scan_results); diff --git a/drivers/net/wireless/ti/wlcore/scan.h b/drivers/net/wireless/ti/wlcore/scan.h index 29f3c8d6b046..a6ab24b5c0f9 100644 --- a/drivers/net/wireless/ti/wlcore/scan.h +++ b/drivers/net/wireless/ti/wlcore/scan.h @@ -26,22 +26,20 @@ #include "wlcore.h" -int wl1271_scan(struct wl1271 *wl, struct ieee80211_vif *vif, +int wlcore_scan(struct wl1271 *wl, struct ieee80211_vif *vif, const u8 *ssid, size_t ssid_len, struct cfg80211_scan_request *req); -int wl1271_scan_stop(struct wl1271 *wl); int wl1271_scan_build_probe_req(struct wl1271 *wl, const u8 *ssid, size_t ssid_len, const u8 *ie, size_t ie_len, u8 band); -void wl1271_scan_stm(struct wl1271 *wl, struct ieee80211_vif *vif); +void wl1271_scan_stm(struct wl1271 *wl, struct wl12xx_vif *wlvif); void wl1271_scan_complete_work(struct work_struct *work); int wl1271_scan_sched_scan_config(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct cfg80211_sched_scan_request *req, struct ieee80211_sched_scan_ies *ies); int wl1271_scan_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif); -void wl1271_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif); -void wl1271_scan_sched_scan_results(struct wl1271 *wl); +void wlcore_scan_sched_scan_results(struct wl1271 *wl); #define WL1271_SCAN_MAX_CHANNELS 24 #define WL1271_SCAN_DEFAULT_TAG 1 @@ -66,56 +64,6 @@ enum { WL1271_SCAN_STATE_DONE }; -struct basic_scan_params { - /* Scan option flags (WL1271_SCAN_OPT_*) */ - __le16 scan_options; - u8 role_id; - /* Number of scan channels in the list (maximum 30) */ - u8 n_ch; - /* This field indicates the number of probe requests to send - per channel for an active scan */ - u8 n_probe_reqs; - u8 tid_trigger; - u8 ssid_len; - u8 use_ssid_list; - - /* Rate bit field for sending the probes */ - __le32 tx_rate; - - u8 ssid[IEEE80211_MAX_SSID_LEN]; - /* Band to scan */ - u8 band; - - u8 scan_tag; - u8 padding2[2]; -} __packed; - -struct basic_scan_channel_params { - /* Duration in TU to wait for frames on a channel for active scan */ - __le32 min_duration; - __le32 max_duration; - __le32 bssid_lsb; - __le16 bssid_msb; - u8 early_termination; - u8 tx_power_att; - u8 channel; - /* FW internal use only! */ - u8 dfs_candidate; - u8 activity_detected; - u8 pad; -} __packed; - -struct wl1271_cmd_scan { - struct wl1271_cmd_header header; - - struct basic_scan_params params; - struct basic_scan_channel_params channels[WL1271_SCAN_MAX_CHANNELS]; - - /* src mac address */ - u8 addr[ETH_ALEN]; - u8 padding[2]; -} __packed; - struct wl1271_cmd_trigger_scan_to { struct wl1271_cmd_header header; @@ -123,9 +71,17 @@ struct wl1271_cmd_trigger_scan_to { } __packed; #define MAX_CHANNELS_2GHZ 14 -#define MAX_CHANNELS_5GHZ 23 #define MAX_CHANNELS_4GHZ 4 +/* + * This max value here is used only for the struct definition of + * wlcore_scan_channels. This struct is used by both 12xx + * and 18xx (which have different max 5ghz channels value). + * In order to make sure this is large enough, just use the + * max possible 5ghz channels. + */ +#define MAX_CHANNELS_5GHZ 42 + #define SCAN_MAX_CYCLE_INTERVALS 16 #define SCAN_MAX_BANDS 3 @@ -160,43 +116,6 @@ struct conn_scan_ch_params { u8 padding[3]; } __packed; -struct wl1271_cmd_sched_scan_config { - struct wl1271_cmd_header header; - - __le32 intervals[SCAN_MAX_CYCLE_INTERVALS]; - - s8 rssi_threshold; /* for filtering (in dBm) */ - s8 snr_threshold; /* for filtering (in dB) */ - - u8 cycles; /* maximum number of scan cycles */ - u8 report_after; /* report when this number of results are received */ - u8 terminate; /* stop scanning after reporting */ - - u8 tag; - u8 bss_type; /* for filtering */ - u8 filter_type; - - u8 ssid_len; /* For SCAN_SSID_FILTER_SPECIFIC */ - u8 ssid[IEEE80211_MAX_SSID_LEN]; - - u8 n_probe_reqs; /* Number of probes requests per channel */ - - u8 passive[SCAN_MAX_BANDS]; - u8 active[SCAN_MAX_BANDS]; - - u8 dfs; - - u8 n_pactive_ch; /* number of pactive (passive until fw detects energy) - channels in BG band */ - u8 role_id; - u8 padding[1]; - - struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ]; - struct conn_scan_ch_params channels_5[MAX_CHANNELS_5GHZ]; - struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ]; -} __packed; - - #define SCHED_SCAN_MAX_SSIDS 16 enum { @@ -220,21 +139,34 @@ struct wl1271_cmd_sched_scan_ssid_list { u8 padding[2]; } __packed; -struct wl1271_cmd_sched_scan_start { - struct wl1271_cmd_header header; +struct wlcore_scan_channels { + u8 passive[SCAN_MAX_BANDS]; /* number of passive scan channels */ + u8 active[SCAN_MAX_BANDS]; /* number of active scan channels */ + u8 dfs; /* number of dfs channels in 5ghz */ + u8 passive_active; /* number of passive before active channels 2.4ghz */ - u8 tag; - u8 role_id; - u8 padding[2]; -} __packed; - -struct wl1271_cmd_sched_scan_stop { - struct wl1271_cmd_header header; + struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ]; + struct conn_scan_ch_params channels_5[MAX_CHANNELS_5GHZ]; + struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ]; +}; - u8 tag; - u8 role_id; - u8 padding[2]; -} __packed; +enum { + SCAN_TYPE_SEARCH = 0, + SCAN_TYPE_PERIODIC = 1, + SCAN_TYPE_TRACKING = 2, +}; +bool +wlcore_set_scan_chan_params(struct wl1271 *wl, + struct wlcore_scan_channels *cfg, + struct ieee80211_channel *channels[], + u32 n_channels, + u32 n_ssids, + int scan_type); + +int +wlcore_scan_sched_scan_ssid_list(struct wl1271 *wl, + struct wl12xx_vif *wlvif, + struct cfg80211_sched_scan_request *req); #endif /* __WL1271_SCAN_H__ */ diff --git a/drivers/net/wireless/ti/wlcore/sdio.c b/drivers/net/wireless/ti/wlcore/sdio.c index a3a20be2036f..75622f6f3e6c 100644 --- a/drivers/net/wireless/ti/wlcore/sdio.c +++ b/drivers/net/wireless/ti/wlcore/sdio.c @@ -324,8 +324,7 @@ static void wl1271_remove(struct sdio_func *func) /* Undo decrement done above in wl1271_probe */ pm_runtime_get_noresume(&func->dev); - platform_device_del(glue->core); - platform_device_put(glue->core); + platform_device_unregister(glue->core); kfree(glue); } diff --git a/drivers/net/wireless/ti/wlcore/spi.c b/drivers/net/wireless/ti/wlcore/spi.c index 18cadc07b754..53790d1d0d27 100644 --- a/drivers/net/wireless/ti/wlcore/spi.c +++ b/drivers/net/wireless/ti/wlcore/spi.c @@ -264,7 +264,7 @@ static int __must_check wl12xx_spi_raw_write(struct device *child, int addr, void *buf, size_t len, bool fixed) { struct wl12xx_spi_glue *glue = dev_get_drvdata(child->parent); - struct spi_transfer t[2 * WSPI_MAX_NUM_OF_CHUNKS]; + struct spi_transfer t[2 * (WSPI_MAX_NUM_OF_CHUNKS + 1)]; struct spi_message m; u32 commands[WSPI_MAX_NUM_OF_CHUNKS]; u32 *cmd; @@ -399,8 +399,7 @@ static int wl1271_remove(struct spi_device *spi) { struct wl12xx_spi_glue *glue = spi_get_drvdata(spi); - platform_device_del(glue->core); - platform_device_put(glue->core); + platform_device_unregister(glue->core); kfree(glue); return 0; diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c index a90d3cd09408..ece392c54d9c 100644 --- a/drivers/net/wireless/ti/wlcore/tx.c +++ b/drivers/net/wireless/ti/wlcore/tx.c @@ -104,7 +104,7 @@ static void wl1271_tx_regulate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid) { - bool fw_ps, single_sta; + bool fw_ps, single_link; u8 tx_pkts; if (WARN_ON(!test_bit(hlid, wlvif->links_map))) @@ -112,15 +112,15 @@ static void wl1271_tx_regulate_link(struct wl1271 *wl, fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); tx_pkts = wl->links[hlid].allocated_pkts; - single_sta = (wl->active_sta_count == 1); + single_link = (wl->active_link_count == 1); /* * if in FW PS and there is enough data in FW we can put the link * into high-level PS and clean out its TX queues. - * Make an exception if this is the only connected station. In this - * case FW-memory congestion is not a problem. + * Make an exception if this is the only connected link. In this + * case FW-memory congestion is less of a problem. */ - if (!single_sta && fw_ps && tx_pkts >= WL1271_PS_STA_MAX_PACKETS) + if (!single_link && fw_ps && tx_pkts >= WL1271_PS_STA_MAX_PACKETS) wl12xx_ps_link_start(wl, wlvif, hlid, true); } @@ -155,21 +155,18 @@ static u8 wl12xx_tx_get_hlid_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 wl12xx_tx_get_hlid(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct sk_buff *skb, struct ieee80211_sta *sta) { - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - - if (!wlvif || wl12xx_is_dummy_packet(wl, skb)) - return wl->system_hlid; + struct ieee80211_tx_info *control; if (wlvif->bss_type == BSS_TYPE_AP_BSS) return wl12xx_tx_get_hlid_ap(wl, wlvif, skb, sta); - if ((test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) || - test_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags)) && - !ieee80211_is_auth(hdr->frame_control) && - !ieee80211_is_assoc_req(hdr->frame_control)) - return wlvif->sta.hlid; - else + control = IEEE80211_SKB_CB(skb); + if (control->flags & IEEE80211_TX_CTL_TX_OFFCHAN) { + wl1271_debug(DEBUG_TX, "tx offchannel"); return wlvif->dev_hlid; + } + + return wlvif->sta.hlid; } unsigned int wlcore_calc_packet_alignment(struct wl1271 *wl, @@ -224,9 +221,7 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct wl12xx_vif *wlvif, ac = wl1271_tx_get_queue(skb_get_queue_mapping(skb)); wl->tx_allocated_pkts[ac]++; - if (!wl12xx_is_dummy_packet(wl, skb) && wlvif && - wlvif->bss_type == BSS_TYPE_AP_BSS && - test_bit(hlid, wlvif->ap.sta_hlid_map)) + if (test_bit(hlid, wl->links_map)) wl->links[hlid].allocated_pkts++; ret = 0; @@ -293,9 +288,14 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct wl12xx_vif *wlvif, tx_attr |= TX_HW_ATTR_TX_DUMMY_REQ; } else if (wlvif) { + u8 session_id = wl->session_ids[hlid]; + + if ((wl->quirks & WLCORE_QUIRK_AP_ZERO_SESSION_ID) && + (wlvif->bss_type == BSS_TYPE_AP_BSS)) + session_id = 0; + /* configure the tx attributes */ - tx_attr = wlvif->session_counter << - TX_HW_ATTR_OFST_SESSION_COUNTER; + tx_attr = session_id << TX_HW_ATTR_OFST_SESSION_COUNTER; } desc->hlid = hlid; @@ -452,20 +452,22 @@ u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set, void wl1271_handle_tx_low_watermark(struct wl1271 *wl) { int i; + struct wl12xx_vif *wlvif; - for (i = 0; i < NUM_TX_QUEUES; i++) { - if (wlcore_is_queue_stopped_by_reason(wl, i, - WLCORE_QUEUE_STOP_REASON_WATERMARK) && - wl->tx_queue_count[i] <= WL1271_TX_QUEUE_LOW_WATERMARK) { - /* firmware buffer has space, restart queues */ - wlcore_wake_queue(wl, i, - WLCORE_QUEUE_STOP_REASON_WATERMARK); + wl12xx_for_each_wlvif(wl, wlvif) { + for (i = 0; i < NUM_TX_QUEUES; i++) { + if (wlcore_is_queue_stopped_by_reason(wl, wlvif, i, + WLCORE_QUEUE_STOP_REASON_WATERMARK) && + wlvif->tx_queue_count[i] <= + WL1271_TX_QUEUE_LOW_WATERMARK) + /* firmware buffer has space, restart queues */ + wlcore_wake_queue(wl, wlvif, i, + WLCORE_QUEUE_STOP_REASON_WATERMARK); } } } -static struct sk_buff_head *wl1271_select_queue(struct wl1271 *wl, - struct sk_buff_head *queues) +static int wlcore_select_ac(struct wl1271 *wl) { int i, q = -1, ac; u32 min_pkts = 0xffffffff; @@ -479,45 +481,60 @@ static struct sk_buff_head *wl1271_select_queue(struct wl1271 *wl, */ for (i = 0; i < NUM_TX_QUEUES; i++) { ac = wl1271_tx_get_queue(i); - if (!skb_queue_empty(&queues[ac]) && - (wl->tx_allocated_pkts[ac] < min_pkts)) { + if (wl->tx_queue_count[ac] && + wl->tx_allocated_pkts[ac] < min_pkts) { q = ac; min_pkts = wl->tx_allocated_pkts[q]; } } - if (q == -1) - return NULL; - - return &queues[q]; + return q; } -static struct sk_buff *wl12xx_lnk_skb_dequeue(struct wl1271 *wl, - struct wl1271_link *lnk) +static struct sk_buff *wlcore_lnk_dequeue(struct wl1271 *wl, + struct wl1271_link *lnk, u8 q) { struct sk_buff *skb; unsigned long flags; - struct sk_buff_head *queue; - queue = wl1271_select_queue(wl, lnk->tx_queue); - if (!queue) - return NULL; - - skb = skb_dequeue(queue); + skb = skb_dequeue(&lnk->tx_queue[q]); if (skb) { - int q = wl1271_tx_get_queue(skb_get_queue_mapping(skb)); spin_lock_irqsave(&wl->wl_lock, flags); WARN_ON_ONCE(wl->tx_queue_count[q] <= 0); wl->tx_queue_count[q]--; + if (lnk->wlvif) { + WARN_ON_ONCE(lnk->wlvif->tx_queue_count[q] <= 0); + lnk->wlvif->tx_queue_count[q]--; + } spin_unlock_irqrestore(&wl->wl_lock, flags); } return skb; } -static struct sk_buff *wl12xx_vif_skb_dequeue(struct wl1271 *wl, - struct wl12xx_vif *wlvif, - u8 *hlid) +static struct sk_buff *wlcore_lnk_dequeue_high_prio(struct wl1271 *wl, + u8 hlid, u8 ac, + u8 *low_prio_hlid) +{ + struct wl1271_link *lnk = &wl->links[hlid]; + + if (!wlcore_hw_lnk_high_prio(wl, hlid, lnk)) { + if (*low_prio_hlid == WL12XX_INVALID_LINK_ID && + !skb_queue_empty(&lnk->tx_queue[ac]) && + wlcore_hw_lnk_low_prio(wl, hlid, lnk)) + /* we found the first non-empty low priority queue */ + *low_prio_hlid = hlid; + + return NULL; + } + + return wlcore_lnk_dequeue(wl, lnk, ac); +} + +static struct sk_buff *wlcore_vif_dequeue_high_prio(struct wl1271 *wl, + struct wl12xx_vif *wlvif, + u8 ac, u8 *hlid, + u8 *low_prio_hlid) { struct sk_buff *skb = NULL; int i, h, start_hlid; @@ -533,7 +550,8 @@ static struct sk_buff *wl12xx_vif_skb_dequeue(struct wl1271 *wl, if (!test_bit(h, wlvif->links_map)) continue; - skb = wl12xx_lnk_skb_dequeue(wl, &wl->links[h]); + skb = wlcore_lnk_dequeue_high_prio(wl, h, ac, + low_prio_hlid); if (!skb) continue; @@ -553,42 +571,74 @@ static struct sk_buff *wl1271_skb_dequeue(struct wl1271 *wl, u8 *hlid) unsigned long flags; struct wl12xx_vif *wlvif = wl->last_wlvif; struct sk_buff *skb = NULL; + int ac; + u8 low_prio_hlid = WL12XX_INVALID_LINK_ID; + + ac = wlcore_select_ac(wl); + if (ac < 0) + goto out; /* continue from last wlvif (round robin) */ if (wlvif) { wl12xx_for_each_wlvif_continue(wl, wlvif) { - skb = wl12xx_vif_skb_dequeue(wl, wlvif, hlid); - if (skb) { - wl->last_wlvif = wlvif; - break; - } + if (!wlvif->tx_queue_count[ac]) + continue; + + skb = wlcore_vif_dequeue_high_prio(wl, wlvif, ac, hlid, + &low_prio_hlid); + if (!skb) + continue; + + wl->last_wlvif = wlvif; + break; } } /* dequeue from the system HLID before the restarting wlvif list */ if (!skb) { - skb = wl12xx_lnk_skb_dequeue(wl, &wl->links[wl->system_hlid]); - *hlid = wl->system_hlid; + skb = wlcore_lnk_dequeue_high_prio(wl, wl->system_hlid, + ac, &low_prio_hlid); + if (skb) { + *hlid = wl->system_hlid; + wl->last_wlvif = NULL; + } } - /* do a new pass over the wlvif list */ + /* Do a new pass over the wlvif list. But no need to continue + * after last_wlvif. The previous pass should have found it. */ if (!skb) { wl12xx_for_each_wlvif(wl, wlvif) { - skb = wl12xx_vif_skb_dequeue(wl, wlvif, hlid); + if (!wlvif->tx_queue_count[ac]) + goto next; + + skb = wlcore_vif_dequeue_high_prio(wl, wlvif, ac, hlid, + &low_prio_hlid); if (skb) { wl->last_wlvif = wlvif; break; } - /* - * No need to continue after last_wlvif. The previous - * pass should have found it. - */ +next: if (wlvif == wl->last_wlvif) break; } } + /* no high priority skbs found - but maybe a low priority one? */ + if (!skb && low_prio_hlid != WL12XX_INVALID_LINK_ID) { + struct wl1271_link *lnk = &wl->links[low_prio_hlid]; + skb = wlcore_lnk_dequeue(wl, lnk, ac); + + WARN_ON(!skb); /* we checked this before */ + *hlid = low_prio_hlid; + + /* ensure proper round robin in the vif/link levels */ + wl->last_wlvif = lnk->wlvif; + if (lnk->wlvif) + lnk->wlvif->last_tx_hlid = low_prio_hlid; + + } + if (!skb && test_and_clear_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags)) { int q; @@ -602,6 +652,7 @@ static struct sk_buff *wl1271_skb_dequeue(struct wl1271 *wl, u8 *hlid) spin_unlock_irqrestore(&wl->wl_lock, flags); } +out: return skb; } @@ -623,6 +674,8 @@ static void wl1271_skb_queue_head(struct wl1271 *wl, struct wl12xx_vif *wlvif, spin_lock_irqsave(&wl->wl_lock, flags); wl->tx_queue_count[q]++; + if (wlvif) + wlvif->tx_queue_count[q]++; spin_unlock_irqrestore(&wl->wl_lock, flags); } @@ -699,7 +752,7 @@ int wlcore_tx_work_locked(struct wl1271 *wl) bool has_data = false; wlvif = NULL; - if (!wl12xx_is_dummy_packet(wl, skb) && info->control.vif) + if (!wl12xx_is_dummy_packet(wl, skb)) wlvif = wl12xx_vif_to_data(info->control.vif); else hlid = wl->system_hlid; @@ -972,10 +1025,11 @@ void wl1271_tx_reset_link_queues(struct wl1271 *wl, u8 hlid) unsigned long flags; struct ieee80211_tx_info *info; int total[NUM_TX_QUEUES]; + struct wl1271_link *lnk = &wl->links[hlid]; for (i = 0; i < NUM_TX_QUEUES; i++) { total[i] = 0; - while ((skb = skb_dequeue(&wl->links[hlid].tx_queue[i]))) { + while ((skb = skb_dequeue(&lnk->tx_queue[i]))) { wl1271_debug(DEBUG_TX, "link freeing skb 0x%p", skb); if (!wl12xx_is_dummy_packet(wl, skb)) { @@ -990,8 +1044,11 @@ void wl1271_tx_reset_link_queues(struct wl1271 *wl, u8 hlid) } spin_lock_irqsave(&wl->wl_lock, flags); - for (i = 0; i < NUM_TX_QUEUES; i++) + for (i = 0; i < NUM_TX_QUEUES; i++) { wl->tx_queue_count[i] -= total[i]; + if (lnk->wlvif) + lnk->wlvif->tx_queue_count[i] -= total[i]; + } spin_unlock_irqrestore(&wl->wl_lock, flags); wl1271_handle_tx_low_watermark(wl); @@ -1004,16 +1061,18 @@ void wl12xx_tx_reset_wlvif(struct wl1271 *wl, struct wl12xx_vif *wlvif) /* TX failure */ for_each_set_bit(i, wlvif->links_map, WL12XX_MAX_LINKS) { - if (wlvif->bss_type == BSS_TYPE_AP_BSS) + if (wlvif->bss_type == BSS_TYPE_AP_BSS) { + /* this calls wl12xx_free_link */ wl1271_free_sta(wl, wlvif, i); - else - wlvif->sta.ba_rx_bitmap = 0; - - wl->links[i].allocated_pkts = 0; - wl->links[i].prev_freed_pkts = 0; + } else { + u8 hlid = i; + wl12xx_free_link(wl, wlvif, &hlid); + } } wlvif->last_tx_hlid = 0; + for (i = 0; i < NUM_TX_QUEUES; i++) + wlvif->tx_queue_count[i] = 0; } /* caller must hold wl->mutex and TX must be stopped */ void wl12xx_tx_reset(struct wl1271 *wl) @@ -1023,7 +1082,7 @@ void wl12xx_tx_reset(struct wl1271 *wl) struct ieee80211_tx_info *info; /* only reset the queues if something bad happened */ - if (WARN_ON_ONCE(wl1271_tx_total_queue_count(wl) != 0)) { + if (wl1271_tx_total_queue_count(wl) != 0) { for (i = 0; i < WL12XX_MAX_LINKS; i++) wl1271_tx_reset_link_queues(wl, i); @@ -1135,45 +1194,48 @@ u32 wl1271_tx_min_rate_get(struct wl1271 *wl, u32 rate_set) return BIT(__ffs(rate_set)); } +EXPORT_SYMBOL_GPL(wl1271_tx_min_rate_get); -void wlcore_stop_queue_locked(struct wl1271 *wl, u8 queue, - enum wlcore_queue_stop_reason reason) +void wlcore_stop_queue_locked(struct wl1271 *wl, struct wl12xx_vif *wlvif, + u8 queue, enum wlcore_queue_stop_reason reason) { - bool stopped = !!wl->queue_stop_reasons[queue]; + int hwq = wlcore_tx_get_mac80211_queue(wlvif, queue); + bool stopped = !!wl->queue_stop_reasons[hwq]; /* queue should not be stopped for this reason */ - WARN_ON(test_and_set_bit(reason, &wl->queue_stop_reasons[queue])); + WARN_ON_ONCE(test_and_set_bit(reason, &wl->queue_stop_reasons[hwq])); if (stopped) return; - ieee80211_stop_queue(wl->hw, wl1271_tx_get_mac80211_queue(queue)); + ieee80211_stop_queue(wl->hw, hwq); } -void wlcore_stop_queue(struct wl1271 *wl, u8 queue, +void wlcore_stop_queue(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 queue, enum wlcore_queue_stop_reason reason) { unsigned long flags; spin_lock_irqsave(&wl->wl_lock, flags); - wlcore_stop_queue_locked(wl, queue, reason); + wlcore_stop_queue_locked(wl, wlvif, queue, reason); spin_unlock_irqrestore(&wl->wl_lock, flags); } -void wlcore_wake_queue(struct wl1271 *wl, u8 queue, +void wlcore_wake_queue(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 queue, enum wlcore_queue_stop_reason reason) { unsigned long flags; + int hwq = wlcore_tx_get_mac80211_queue(wlvif, queue); spin_lock_irqsave(&wl->wl_lock, flags); /* queue should not be clear for this reason */ - WARN_ON(!test_and_clear_bit(reason, &wl->queue_stop_reasons[queue])); + WARN_ON_ONCE(!test_and_clear_bit(reason, &wl->queue_stop_reasons[hwq])); - if (wl->queue_stop_reasons[queue]) + if (wl->queue_stop_reasons[hwq]) goto out; - ieee80211_wake_queue(wl->hw, wl1271_tx_get_mac80211_queue(queue)); + ieee80211_wake_queue(wl->hw, hwq); out: spin_unlock_irqrestore(&wl->wl_lock, flags); @@ -1183,48 +1245,74 @@ void wlcore_stop_queues(struct wl1271 *wl, enum wlcore_queue_stop_reason reason) { int i; + unsigned long flags; - for (i = 0; i < NUM_TX_QUEUES; i++) - wlcore_stop_queue(wl, i, reason); + spin_lock_irqsave(&wl->wl_lock, flags); + + /* mark all possible queues as stopped */ + for (i = 0; i < WLCORE_NUM_MAC_ADDRESSES * NUM_TX_QUEUES; i++) + WARN_ON_ONCE(test_and_set_bit(reason, + &wl->queue_stop_reasons[i])); + + /* use the global version to make sure all vifs in mac80211 we don't + * know are stopped. + */ + ieee80211_stop_queues(wl->hw); + + spin_unlock_irqrestore(&wl->wl_lock, flags); } -EXPORT_SYMBOL_GPL(wlcore_stop_queues); void wlcore_wake_queues(struct wl1271 *wl, enum wlcore_queue_stop_reason reason) { int i; + unsigned long flags; - for (i = 0; i < NUM_TX_QUEUES; i++) - wlcore_wake_queue(wl, i, reason); + spin_lock_irqsave(&wl->wl_lock, flags); + + /* mark all possible queues as awake */ + for (i = 0; i < WLCORE_NUM_MAC_ADDRESSES * NUM_TX_QUEUES; i++) + WARN_ON_ONCE(!test_and_clear_bit(reason, + &wl->queue_stop_reasons[i])); + + /* use the global version to make sure all vifs in mac80211 we don't + * know are woken up. + */ + ieee80211_wake_queues(wl->hw); + + spin_unlock_irqrestore(&wl->wl_lock, flags); } -EXPORT_SYMBOL_GPL(wlcore_wake_queues); -void wlcore_reset_stopped_queues(struct wl1271 *wl) +bool wlcore_is_queue_stopped_by_reason(struct wl1271 *wl, + struct wl12xx_vif *wlvif, u8 queue, + enum wlcore_queue_stop_reason reason) { - int i; unsigned long flags; + bool stopped; spin_lock_irqsave(&wl->wl_lock, flags); - - for (i = 0; i < NUM_TX_QUEUES; i++) { - if (!wl->queue_stop_reasons[i]) - continue; - - wl->queue_stop_reasons[i] = 0; - ieee80211_wake_queue(wl->hw, - wl1271_tx_get_mac80211_queue(i)); - } - + stopped = wlcore_is_queue_stopped_by_reason_locked(wl, wlvif, queue, + reason); spin_unlock_irqrestore(&wl->wl_lock, flags); + + return stopped; } -bool wlcore_is_queue_stopped_by_reason(struct wl1271 *wl, u8 queue, - enum wlcore_queue_stop_reason reason) +bool wlcore_is_queue_stopped_by_reason_locked(struct wl1271 *wl, + struct wl12xx_vif *wlvif, u8 queue, + enum wlcore_queue_stop_reason reason) { - return test_bit(reason, &wl->queue_stop_reasons[queue]); + int hwq = wlcore_tx_get_mac80211_queue(wlvif, queue); + + WARN_ON_ONCE(!spin_is_locked(&wl->wl_lock)); + return test_bit(reason, &wl->queue_stop_reasons[hwq]); } -bool wlcore_is_queue_stopped(struct wl1271 *wl, u8 queue) +bool wlcore_is_queue_stopped_locked(struct wl1271 *wl, struct wl12xx_vif *wlvif, + u8 queue) { - return !!wl->queue_stop_reasons[queue]; + int hwq = wlcore_tx_get_mac80211_queue(wlvif, queue); + + WARN_ON_ONCE(!spin_is_locked(&wl->wl_lock)); + return !!wl->queue_stop_reasons[hwq]; } diff --git a/drivers/net/wireless/ti/wlcore/tx.h b/drivers/net/wireless/ti/wlcore/tx.h index 349520d8b724..55aa4acf9105 100644 --- a/drivers/net/wireless/ti/wlcore/tx.h +++ b/drivers/net/wireless/ti/wlcore/tx.h @@ -207,19 +207,22 @@ static inline int wl1271_tx_get_queue(int queue) } } -static inline int wl1271_tx_get_mac80211_queue(int queue) +static inline +int wlcore_tx_get_mac80211_queue(struct wl12xx_vif *wlvif, int queue) { + int mac_queue = wlvif->hw_queue_base; + switch (queue) { case CONF_TX_AC_VO: - return 0; + return mac_queue + 0; case CONF_TX_AC_VI: - return 1; + return mac_queue + 1; case CONF_TX_AC_BE: - return 2; + return mac_queue + 2; case CONF_TX_AC_BK: - return 3; + return mac_queue + 3; default: - return 2; + return mac_queue + 2; } } @@ -252,20 +255,26 @@ void wl12xx_rearm_rx_streaming(struct wl1271 *wl, unsigned long *active_hlids); unsigned int wlcore_calc_packet_alignment(struct wl1271 *wl, unsigned int packet_length); void wl1271_free_tx_id(struct wl1271 *wl, int id); -void wlcore_stop_queue_locked(struct wl1271 *wl, u8 queue, - enum wlcore_queue_stop_reason reason); -void wlcore_stop_queue(struct wl1271 *wl, u8 queue, +void wlcore_stop_queue_locked(struct wl1271 *wl, struct wl12xx_vif *wlvif, + u8 queue, enum wlcore_queue_stop_reason reason); +void wlcore_stop_queue(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 queue, enum wlcore_queue_stop_reason reason); -void wlcore_wake_queue(struct wl1271 *wl, u8 queue, +void wlcore_wake_queue(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 queue, enum wlcore_queue_stop_reason reason); void wlcore_stop_queues(struct wl1271 *wl, enum wlcore_queue_stop_reason reason); void wlcore_wake_queues(struct wl1271 *wl, enum wlcore_queue_stop_reason reason); -void wlcore_reset_stopped_queues(struct wl1271 *wl); -bool wlcore_is_queue_stopped_by_reason(struct wl1271 *wl, u8 queue, +bool wlcore_is_queue_stopped_by_reason(struct wl1271 *wl, + struct wl12xx_vif *wlvif, u8 queue, enum wlcore_queue_stop_reason reason); -bool wlcore_is_queue_stopped(struct wl1271 *wl, u8 queue); +bool +wlcore_is_queue_stopped_by_reason_locked(struct wl1271 *wl, + struct wl12xx_vif *wlvif, + u8 queue, + enum wlcore_queue_stop_reason reason); +bool wlcore_is_queue_stopped_locked(struct wl1271 *wl, struct wl12xx_vif *wlvif, + u8 queue); /* from main.c */ void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid); diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index c3884937c007..ebd8c6fad7cd 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -37,6 +37,9 @@ */ #define WLCORE_NUM_MAC_ADDRESSES 3 +/* wl12xx/wl18xx maximum transmission power (in dBm) */ +#define WLCORE_MAX_TXPWR 25 + /* forward declaration */ struct wl1271_tx_hw_descr; enum wl_rx_buf_align; @@ -51,6 +54,9 @@ struct wlcore_ops { int (*trigger_cmd)(struct wl1271 *wl, int cmd_box_addr, void *buf, size_t len); int (*ack_event)(struct wl1271 *wl); + int (*wait_for_event)(struct wl1271 *wl, enum wlcore_wait_event event, + bool *timeout); + int (*process_mailbox_events)(struct wl1271 *wl); u32 (*calc_tx_blocks)(struct wl1271 *wl, u32 len, u32 spare_blks); void (*set_tx_desc_blocks)(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, @@ -82,12 +88,32 @@ struct wlcore_ops { int (*debugfs_init)(struct wl1271 *wl, struct dentry *rootdir); int (*handle_static_data)(struct wl1271 *wl, struct wl1271_static_data *static_data); + int (*scan_start)(struct wl1271 *wl, struct wl12xx_vif *wlvif, + struct cfg80211_scan_request *req); + int (*scan_stop)(struct wl1271 *wl, struct wl12xx_vif *wlvif); + int (*sched_scan_start)(struct wl1271 *wl, struct wl12xx_vif *wlvif, + struct cfg80211_sched_scan_request *req, + struct ieee80211_sched_scan_ies *ies); + void (*sched_scan_stop)(struct wl1271 *wl, struct wl12xx_vif *wlvif); int (*get_spare_blocks)(struct wl1271 *wl, bool is_gem); int (*set_key)(struct wl1271 *wl, enum set_key_cmd cmd, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *key_conf); + int (*channel_switch)(struct wl1271 *wl, + struct wl12xx_vif *wlvif, + struct ieee80211_channel_switch *ch_switch); u32 (*pre_pkt_send)(struct wl1271 *wl, u32 buf_offset, u32 last_len); + void (*sta_rc_update)(struct wl1271 *wl, struct wl12xx_vif *wlvif, + struct ieee80211_sta *sta, u32 changed); + int (*set_peer_cap)(struct wl1271 *wl, + struct ieee80211_sta_ht_cap *ht_cap, + bool allow_ht_operation, + u32 rate_set, u8 hlid); + bool (*lnk_high_prio)(struct wl1271 *wl, u8 hlid, + struct wl1271_link *lnk); + bool (*lnk_low_prio)(struct wl1271 *wl, u8 hlid, + struct wl1271_link *lnk); }; enum wlcore_partitions { @@ -202,6 +228,8 @@ struct wl1271 { unsigned long klv_templates_map[ BITS_TO_LONGS(WLCORE_MAX_KLV_TEMPLATES)]; + u8 session_ids[WL12XX_MAX_LINKS]; + struct list_head wlvif_list; u8 sta_count; @@ -227,7 +255,8 @@ struct wl1271 { /* Frames scheduled for transmission, not handled yet */ int tx_queue_count[NUM_TX_QUEUES]; - unsigned long queue_stop_reasons[NUM_TX_QUEUES]; + unsigned long queue_stop_reasons[ + NUM_TX_QUEUES * WLCORE_NUM_MAC_ADDRESSES]; /* Frames received, not handled yet by mac80211 */ struct sk_buff_head deferred_rx_queue; @@ -269,24 +298,30 @@ struct wl1271 { struct work_struct recovery_work; bool watchdog_recovery; + /* Reg domain last configuration */ + u32 reg_ch_conf_last[2]; + /* Reg domain pending configuration */ + u32 reg_ch_conf_pending[2]; + /* Pointer that holds DMA-friendly block for the mailbox */ - struct event_mailbox *mbox; + void *mbox; /* The mbox event mask */ u32 event_mask; /* Mailbox pointers */ + u32 mbox_size; u32 mbox_ptr[2]; /* Are we currently scanning */ - struct ieee80211_vif *scan_vif; + struct wl12xx_vif *scan_wlvif; struct wl1271_scan scan; struct delayed_work scan_complete_work; - /* Connection loss work */ - struct delayed_work connection_loss_work; + struct ieee80211_vif *roc_vif; + struct delayed_work roc_complete_work; - bool sched_scanning; + struct wl12xx_vif *sched_vif; /* The current band */ enum ieee80211_band band; @@ -299,7 +334,7 @@ struct wl1271 { struct wl1271_stats stats; - __le32 buffer_32; + __le32 *buffer_32; u32 buffer_cmd; u32 buffer_busyword[WL1271_BUSY_WORD_CNT]; @@ -314,6 +349,8 @@ struct wl1271 { bool enable_11a; + int recovery_count; + /* Most recently reported noise in dBm */ s8 noise; @@ -333,6 +370,12 @@ struct wl1271 { */ struct wl1271_link links[WL12XX_MAX_LINKS]; + /* number of currently active links */ + int active_link_count; + + /* Fast/slow links bitmap according to FW */ + u32 fw_fast_lnk_map; + /* AP-mode - a bitmap of links currently in PS mode according to FW */ u32 ap_fw_ps_map; @@ -367,6 +410,12 @@ struct wl1271 { const char *sr_fw_name; const char *mr_fw_name; + u8 scan_templ_id_2_4; + u8 scan_templ_id_5; + u8 sched_scan_templ_id_2_4; + u8 sched_scan_templ_id_5; + u8 max_channels_5; + /* per-chip-family private structure */ void *priv; @@ -408,20 +457,28 @@ struct wl1271 { /* the number of allocated MAC addresses in this chip */ int num_mac_addr; - /* the minimum FW version required for the driver to work */ - unsigned int min_fw_ver[NUM_FW_VER]; + /* minimum FW version required for the driver to work in single-role */ + unsigned int min_sr_fw_ver[NUM_FW_VER]; + + /* minimum FW version required for the driver to work in multi-role */ + unsigned int min_mr_fw_ver[NUM_FW_VER]; struct completion nvs_loading_complete; + + /* number of concurrent channels the HW supports */ + u32 num_channels; }; int wlcore_probe(struct wl1271 *wl, struct platform_device *pdev); int wlcore_remove(struct platform_device *pdev); -struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size); +struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size, + u32 mbox_size); int wlcore_free_hw(struct wl1271 *wl); int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *key_conf); +void wlcore_regdomain_config(struct wl1271 *wl); static inline void wlcore_set_ht_cap(struct wl1271 *wl, enum ieee80211_band band, @@ -430,16 +487,27 @@ wlcore_set_ht_cap(struct wl1271 *wl, enum ieee80211_band band, memcpy(&wl->ht_cap[band], ht_cap, sizeof(*ht_cap)); } +/* Tell wlcore not to care about this element when checking the version */ +#define WLCORE_FW_VER_IGNORE -1 + static inline void wlcore_set_min_fw_ver(struct wl1271 *wl, unsigned int chip, - unsigned int iftype, unsigned int major, - unsigned int subtype, unsigned int minor) + unsigned int iftype_sr, unsigned int major_sr, + unsigned int subtype_sr, unsigned int minor_sr, + unsigned int iftype_mr, unsigned int major_mr, + unsigned int subtype_mr, unsigned int minor_mr) { - wl->min_fw_ver[FW_VER_CHIP] = chip; - wl->min_fw_ver[FW_VER_IF_TYPE] = iftype; - wl->min_fw_ver[FW_VER_MAJOR] = major; - wl->min_fw_ver[FW_VER_SUBTYPE] = subtype; - wl->min_fw_ver[FW_VER_MINOR] = minor; + wl->min_sr_fw_ver[FW_VER_CHIP] = chip; + wl->min_sr_fw_ver[FW_VER_IF_TYPE] = iftype_sr; + wl->min_sr_fw_ver[FW_VER_MAJOR] = major_sr; + wl->min_sr_fw_ver[FW_VER_SUBTYPE] = subtype_sr; + wl->min_sr_fw_ver[FW_VER_MINOR] = minor_sr; + + wl->min_mr_fw_ver[FW_VER_CHIP] = chip; + wl->min_mr_fw_ver[FW_VER_IF_TYPE] = iftype_mr; + wl->min_mr_fw_ver[FW_VER_MAJOR] = major_mr; + wl->min_mr_fw_ver[FW_VER_SUBTYPE] = subtype_mr; + wl->min_mr_fw_ver[FW_VER_MINOR] = minor_mr; } /* Firmware image load chunk size */ @@ -450,6 +518,9 @@ wlcore_set_min_fw_ver(struct wl1271 *wl, unsigned int chip, /* Each RX/TX transaction requires an end-of-transaction transfer */ #define WLCORE_QUIRK_END_OF_TRANSACTION BIT(0) +/* the first start_role(sta) sometimes doesn't work on wl12xx */ +#define WLCORE_QUIRK_START_STA_FAILS BIT(1) + /* wl127x and SPI don't support SDIO block size alignment */ #define WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN BIT(2) @@ -462,9 +533,6 @@ wlcore_set_min_fw_ver(struct wl1271 *wl, unsigned int chip, /* Older firmwares use an old NVS format */ #define WLCORE_QUIRK_LEGACY_NVS BIT(5) -/* Some firmwares may not support ELP */ -#define WLCORE_QUIRK_NO_ELP BIT(6) - /* pad only the last frame in the aggregate buffer */ #define WLCORE_QUIRK_TX_PAD_LAST_FRAME BIT(7) @@ -477,11 +545,11 @@ wlcore_set_min_fw_ver(struct wl1271 *wl, unsigned int chip, /* separate probe response templates for one-shot and sched scans */ #define WLCORE_QUIRK_DUAL_PROBE_TMPL BIT(10) -/* TODO: move to the lower drivers when all usages are abstracted */ -#define CHIP_ID_1271_PG10 (0x4030101) -#define CHIP_ID_1271_PG20 (0x4030111) -#define CHIP_ID_1283_PG10 (0x05030101) -#define CHIP_ID_1283_PG20 (0x05030111) +/* Firmware requires reg domain configuration for active calibration */ +#define WLCORE_QUIRK_REGDOMAIN_CONF BIT(11) + +/* The FW only support a zero session id for AP */ +#define WLCORE_QUIRK_AP_ZERO_SESSION_ID BIT(12) /* TODO: move all these common registers and values elsewhere */ #define HW_ACCESS_ELP_CTRL_REG 0x1FFFC diff --git a/drivers/net/wireless/ti/wlcore/wlcore_i.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h index 5ce26cf402fc..910f8e2e556a 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore_i.h +++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h @@ -109,17 +109,6 @@ enum { NUM_FW_VER }; -#define FW_VER_CHIP_WL127X 6 -#define FW_VER_CHIP_WL128X 7 - -#define FW_VER_IF_TYPE_STA 1 -#define FW_VER_IF_TYPE_AP 2 - -#define FW_VER_MINOR_1_SPARE_STA_MIN 58 -#define FW_VER_MINOR_1_SPARE_AP_MIN 47 - -#define FW_VER_MINOR_FWLOG_STA_MIN 70 - struct wl1271_chip { u32 id; char fw_ver_str[ETHTOOL_FWVERS_LEN]; @@ -141,7 +130,10 @@ struct wl_fw_packet_counters { /* Cumulative counter of released Voice memory blocks */ u8 tx_voice_released_blks; - u8 padding[3]; + /* Tx rate of the last transmitted packet */ + u8 tx_last_rate; + + u8 padding[2]; } __packed; /* FW status registers */ @@ -260,6 +252,8 @@ enum wl12xx_vif_flags { WLVIF_FLAG_IN_USE, }; +struct wl12xx_vif; + struct wl1271_link { /* AP-mode - TX queue per AC in link */ struct sk_buff_head tx_queue[NUM_TX_QUEUES]; @@ -272,6 +266,9 @@ struct wl1271_link { /* bitmap of TIDs where RX BA sessions are active for this link */ u8 ba_bitmap; + + /* The wlvif this link belongs to. Might be null for global links */ + struct wl12xx_vif *wlvif; }; #define WL1271_MAX_RX_FILTERS 5 @@ -315,6 +312,7 @@ struct wl12xx_rx_filter { struct wl1271_station { u8 hlid; + bool in_connection; }; struct wl12xx_vif { @@ -332,7 +330,6 @@ struct wl12xx_vif { union { struct { u8 hlid; - u8 ba_rx_bitmap; u8 basic_rate_idx; u8 ap_rate_idx; @@ -341,6 +338,8 @@ struct wl12xx_vif { u8 klv_template_id; bool qos; + /* channel type we started the STA role with */ + enum nl80211_channel_type role_chan_type; } sta; struct { u8 global_hlid; @@ -362,6 +361,9 @@ struct wl12xx_vif { /* the hlid of the last transmitted skb */ int last_tx_hlid; + /* counters of packets per AC, across all links in the vif */ + int tx_queue_count[NUM_TX_QUEUES]; + unsigned long links_map[BITS_TO_LONGS(WL12XX_MAX_LINKS)]; u8 ssid[IEEE80211_MAX_SSID_LEN + 1]; @@ -396,9 +398,6 @@ struct wl12xx_vif { /* Our association ID */ u16 aid; - /* Session counter for the chipset */ - int session_counter; - /* retry counter for PSM entries */ u8 psm_entry_retry; @@ -416,11 +415,28 @@ struct wl12xx_vif { bool ba_support; bool ba_allowed; + bool wmm_enabled; + /* Rx Streaming */ struct work_struct rx_streaming_enable_work; struct work_struct rx_streaming_disable_work; struct timer_list rx_streaming_timer; + struct delayed_work channel_switch_work; + struct delayed_work connection_loss_work; + + /* number of in connection stations */ + int inconn_count; + + /* + * This vif's queues are mapped to mac80211 HW queues as: + * VO - hw_queue_base + * VI - hw_queue_base + 1 + * BE - hw_queue_base + 2 + * BK - hw_queue_base + 3 + */ + int hw_queue_base; + /* * This struct must be last! * data that has to be saved acrossed reconfigs (e.g. recovery) @@ -443,6 +459,7 @@ struct wl12xx_vif { static inline struct wl12xx_vif *wl12xx_vif_to_data(struct ieee80211_vif *vif) { + WARN_ON(!vif); return (struct wl12xx_vif *)vif->drv_priv; } diff --git a/drivers/ssb/driver_gpio.c b/drivers/ssb/driver_gpio.c index 97ac0a38e3d0..accabe39b320 100644 --- a/drivers/ssb/driver_gpio.c +++ b/drivers/ssb/driver_gpio.c @@ -74,6 +74,16 @@ static void ssb_gpio_chipco_free(struct gpio_chip *chip, unsigned gpio) ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 0); } +static int ssb_gpio_chipco_to_irq(struct gpio_chip *chip, unsigned gpio) +{ + struct ssb_bus *bus = ssb_gpio_get_bus(chip); + + if (bus->bustype == SSB_BUSTYPE_SSB) + return ssb_mips_irq(bus->chipco.dev) + 2; + else + return -EINVAL; +} + static int ssb_gpio_chipco_init(struct ssb_bus *bus) { struct gpio_chip *chip = &bus->gpio; @@ -86,6 +96,7 @@ static int ssb_gpio_chipco_init(struct ssb_bus *bus) chip->set = ssb_gpio_chipco_set_value; chip->direction_input = ssb_gpio_chipco_direction_input; chip->direction_output = ssb_gpio_chipco_direction_output; + chip->to_irq = ssb_gpio_chipco_to_irq; chip->ngpio = 16; /* There is just one SoC in one device and its GPIO addresses should be * deterministic to address them more easily. The other buses could get @@ -134,6 +145,16 @@ static int ssb_gpio_extif_direction_output(struct gpio_chip *chip, return 0; } +static int ssb_gpio_extif_to_irq(struct gpio_chip *chip, unsigned gpio) +{ + struct ssb_bus *bus = ssb_gpio_get_bus(chip); + + if (bus->bustype == SSB_BUSTYPE_SSB) + return ssb_mips_irq(bus->extif.dev) + 2; + else + return -EINVAL; +} + static int ssb_gpio_extif_init(struct ssb_bus *bus) { struct gpio_chip *chip = &bus->gpio; @@ -144,6 +165,7 @@ static int ssb_gpio_extif_init(struct ssb_bus *bus) chip->set = ssb_gpio_extif_set_value; chip->direction_input = ssb_gpio_extif_direction_input; chip->direction_output = ssb_gpio_extif_direction_output; + chip->to_irq = ssb_gpio_extif_to_irq; chip->ngpio = 5; /* There is just one SoC in one device and its GPIO addresses should be * deterministic to address them more easily. The other buses could get diff --git a/drivers/ssb/driver_mipscore.c b/drivers/ssb/driver_mipscore.c index 2a7684c90243..33b37dac40bd 100644 --- a/drivers/ssb/driver_mipscore.c +++ b/drivers/ssb/driver_mipscore.c @@ -10,6 +10,7 @@ #include <linux/ssb/ssb.h> +#include <linux/mtd/physmap.h> #include <linux/serial.h> #include <linux/serial_core.h> #include <linux/serial_reg.h> @@ -17,6 +18,25 @@ #include "ssb_private.h" +static const char *part_probes[] = { "bcm47xxpart", NULL }; + +static struct physmap_flash_data ssb_pflash_data = { + .part_probe_types = part_probes, +}; + +static struct resource ssb_pflash_resource = { + .name = "ssb_pflash", + .flags = IORESOURCE_MEM, +}; + +struct platform_device ssb_pflash_dev = { + .name = "physmap-flash", + .dev = { + .platform_data = &ssb_pflash_data, + }, + .resource = &ssb_pflash_resource, + .num_resources = 1, +}; static inline u32 mips_read32(struct ssb_mipscore *mcore, u16 offset) @@ -189,14 +209,15 @@ static void ssb_mips_serial_init(struct ssb_mipscore *mcore) static void ssb_mips_flash_detect(struct ssb_mipscore *mcore) { struct ssb_bus *bus = mcore->dev->bus; + struct ssb_pflash *pflash = &mcore->pflash; /* When there is no chipcommon on the bus there is 4MB flash */ if (!ssb_chipco_available(&bus->chipco)) { - mcore->pflash.present = true; - mcore->pflash.buswidth = 2; - mcore->pflash.window = SSB_FLASH1; - mcore->pflash.window_size = SSB_FLASH1_SZ; - return; + pflash->present = true; + pflash->buswidth = 2; + pflash->window = SSB_FLASH1; + pflash->window_size = SSB_FLASH1_SZ; + goto ssb_pflash; } /* There is ChipCommon, so use it to read info about flash */ @@ -208,16 +229,23 @@ static void ssb_mips_flash_detect(struct ssb_mipscore *mcore) break; case SSB_CHIPCO_FLASHT_PARA: pr_debug("Found parallel flash\n"); - mcore->pflash.present = true; - mcore->pflash.window = SSB_FLASH2; - mcore->pflash.window_size = SSB_FLASH2_SZ; + pflash->present = true; + pflash->window = SSB_FLASH2; + pflash->window_size = SSB_FLASH2_SZ; if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG) & SSB_CHIPCO_CFG_DS16) == 0) - mcore->pflash.buswidth = 1; + pflash->buswidth = 1; else - mcore->pflash.buswidth = 2; + pflash->buswidth = 2; break; } + +ssb_pflash: + if (pflash->present) { + ssb_pflash_data.width = pflash->buswidth; + ssb_pflash_resource.start = pflash->window; + ssb_pflash_resource.end = pflash->window + pflash->window_size; + } } u32 ssb_cpu_clock(struct ssb_mipscore *mcore) diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index 772ad9b5c304..9987d9f366f4 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -540,6 +540,14 @@ static int ssb_devices_register(struct ssb_bus *bus) dev_idx++; } +#ifdef CONFIG_SSB_DRIVER_MIPS + if (bus->mipscore.pflash.present) { + err = platform_device_register(&ssb_pflash_dev); + if (err) + pr_err("Error registering parallel flash\n"); + } +#endif + return 0; error: /* Unwind the already registered devices. */ diff --git a/drivers/ssb/ssb_private.h b/drivers/ssb/ssb_private.h index 77d942630750..53198dcec90e 100644 --- a/drivers/ssb/ssb_private.h +++ b/drivers/ssb/ssb_private.h @@ -228,6 +228,10 @@ static inline int ssb_sflash_init(struct ssb_chipcommon *cc) } #endif /* CONFIG_SSB_SFLASH */ +#ifdef CONFIG_SSB_DRIVER_MIPS +extern struct platform_device ssb_pflash_dev; +#endif + #ifdef CONFIG_SSB_DRIVER_EXTIF extern u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, u32 ticks); extern u32 ssb_extif_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms); |