diff options
Diffstat (limited to 'drivers/net/wireless/ath')
38 files changed, 1250 insertions, 1323 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c index 546d5da0b894..4f16d79c9eb1 100644 --- a/drivers/net/wireless/ath/ath6kl/wmi.c +++ b/drivers/net/wireless/ath/ath6kl/wmi.c @@ -2754,9 +2754,9 @@ static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx, mask->control[band].legacy << 4; /* copy mcs rate mask */ - mcsrate = mask->control[band].mcs[1]; + mcsrate = mask->control[band].ht_mcs[1]; mcsrate <<= 8; - mcsrate |= mask->control[band].mcs[0]; + mcsrate |= mask->control[band].ht_mcs[0]; ratemask[band] |= mcsrate << 12; ratemask[band] |= mcsrate << 28; } @@ -2806,7 +2806,7 @@ static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx, mask->control[band].legacy << 4; /* copy mcs rate mask */ - mcsrate = mask->control[band].mcs[0]; + mcsrate = mask->control[band].ht_mcs[0]; ratemask[band] |= mcsrate << 12; ratemask[band] |= mcsrate << 20; } diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile index 337c459eda28..e9904e5ccd81 100644 --- a/drivers/net/wireless/ath/ath9k/Makefile +++ b/drivers/net/wireless/ath/ath9k/Makefile @@ -11,12 +11,14 @@ ath9k-$(CONFIG_ATH9K_BTCOEX_SUPPORT) += mci.o ath9k-$(CONFIG_ATH9K_LEGACY_RATE_CONTROL) += rc.o ath9k-$(CONFIG_ATH9K_PCI) += pci.o ath9k-$(CONFIG_ATH9K_AHB) += ahb.o -ath9k-$(CONFIG_ATH9K_DEBUGFS) += debug.o ath9k-$(CONFIG_ATH9K_DFS_DEBUGFS) += dfs_debug.o ath9k-$(CONFIG_ATH9K_DFS_CERTIFIED) += dfs.o ath9k-$(CONFIG_ATH9K_TX99) += tx99.o ath9k-$(CONFIG_ATH9K_WOW) += wow.o +ath9k-$(CONFIG_ATH9K_DEBUGFS) += debug.o \ + spectral.o + obj-$(CONFIG_ATH9K) += ath9k.o ath9k_hw-y:= \ diff --git a/drivers/net/wireless/ath/ath9k/antenna.c b/drivers/net/wireless/ath/ath9k/antenna.c index bd048cc69a33..a3668433dc02 100644 --- a/drivers/net/wireless/ath/ath9k/antenna.c +++ b/drivers/net/wireless/ath/ath9k/antenna.c @@ -724,14 +724,14 @@ void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs) struct ath_ant_comb *antcomb = &sc->ant_comb; int alt_ratio = 0, alt_rssi_avg = 0, main_rssi_avg = 0, curr_alt_set; int curr_main_set; - int main_rssi = rs->rs_rssi_ctl0; - int alt_rssi = rs->rs_rssi_ctl1; + int main_rssi = rs->rs_rssi_ctl[0]; + int alt_rssi = rs->rs_rssi_ctl[1]; int rx_ant_conf, main_ant_conf; bool short_scan = false, ret; - rx_ant_conf = (rs->rs_rssi_ctl2 >> ATH_ANT_RX_CURRENT_SHIFT) & + rx_ant_conf = (rs->rs_rssi_ctl[2] >> ATH_ANT_RX_CURRENT_SHIFT) & ATH_ANT_RX_MASK; - main_ant_conf = (rs->rs_rssi_ctl2 >> ATH_ANT_RX_MAIN_SHIFT) & + main_ant_conf = (rs->rs_rssi_ctl[2] >> ATH_ANT_RX_MAIN_SHIFT) & ATH_ANT_RX_MASK; if (alt_rssi >= antcomb->low_rssi_thresh) { diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c index 5c95fd9e9c9e..149aba3c7298 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c @@ -32,12 +32,8 @@ static int ar9002_hw_init_mode_regs(struct ath_hw *ah) return 0; } - if (ah->config.pcie_clock_req) - INIT_INI_ARRAY(&ah->iniPcieSerdes, - ar9280PciePhy_clkreq_off_L1_9280); - else - INIT_INI_ARRAY(&ah->iniPcieSerdes, - ar9280PciePhy_clkreq_always_on_L1_9280); + INIT_INI_ARRAY(&ah->iniPcieSerdes, + ar9280PciePhy_clkreq_always_on_L1_9280); if (AR_SREV_9287_11_OR_LATER(ah)) { INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_1); diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c index 8d78253c26ce..857ede3a999c 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c @@ -29,7 +29,8 @@ static void ar9002_hw_set_desc_link(void *ds, u32 ds_link) ((struct ath_desc*) ds)->ds_link = ds_link; } -static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) +static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked, + u32 *sync_cause_p) { u32 isr = 0; u32 mask2 = 0; @@ -136,7 +137,8 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) } if (sync_cause) { - ath9k_debug_sync_cause(common, sync_cause); + if (sync_cause_p) + *sync_cause_p = sync_cause; fatal_int = (sync_cause & (AR_INTR_SYNC_HOST1_FATAL | AR_INTR_SYNC_HOST1_PERR)) diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c index f087117b2e6b..9a2afa2c690b 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c @@ -201,7 +201,6 @@ static void ar9002_hw_spur_mitigate(struct ath_hw *ah, ath9k_hw_get_channel_centers(ah, chan, ¢ers); freq = centers.synth_center; - ah->config.spurmode = SPUR_ENABLE_EEPROM; for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) { cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz); diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index ec317d6937d6..c8d22eccfef8 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -131,6 +131,7 @@ static const struct ar9300_eeprom ar9300_default = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0cf0e0e0), .papdRateMaskHt40 = LE32(0x6cf0e0e0), + .switchcomspdt = 0, .xlna_bias_strength = 0, .futureModal = { 0, 0, 0, 0, 0, 0, 0, @@ -138,7 +139,7 @@ static const struct ar9300_eeprom ar9300_default = { }, .base_ext1 = { .ant_div_control = 0, - .future = {0, 0, 0}, + .future = {0, 0}, .tempslopextension = {0, 0, 0, 0, 0, 0, 0, 0} }, .calFreqPier2G = { @@ -333,6 +334,7 @@ static const struct ar9300_eeprom ar9300_default = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0c80c080), .papdRateMaskHt40 = LE32(0x0080c080), + .switchcomspdt = 0, .xlna_bias_strength = 0, .futureModal = { 0, 0, 0, 0, 0, 0, 0, @@ -707,6 +709,7 @@ static const struct ar9300_eeprom ar9300_x113 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0c80c080), .papdRateMaskHt40 = LE32(0x0080c080), + .switchcomspdt = 0, .xlna_bias_strength = 0, .futureModal = { 0, 0, 0, 0, 0, 0, 0, @@ -714,7 +717,7 @@ static const struct ar9300_eeprom ar9300_x113 = { }, .base_ext1 = { .ant_div_control = 0, - .future = {0, 0, 0}, + .future = {0, 0}, .tempslopextension = {0, 0, 0, 0, 0, 0, 0, 0} }, .calFreqPier2G = { @@ -909,6 +912,7 @@ static const struct ar9300_eeprom ar9300_x113 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0cf0e0e0), .papdRateMaskHt40 = LE32(0x6cf0e0e0), + .switchcomspdt = 0, .xlna_bias_strength = 0, .futureModal = { 0, 0, 0, 0, 0, 0, 0, @@ -1284,6 +1288,7 @@ static const struct ar9300_eeprom ar9300_h112 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0c80c080), .papdRateMaskHt40 = LE32(0x0080c080), + .switchcomspdt = 0, .xlna_bias_strength = 0, .futureModal = { 0, 0, 0, 0, 0, 0, 0, @@ -1291,7 +1296,7 @@ static const struct ar9300_eeprom ar9300_h112 = { }, .base_ext1 = { .ant_div_control = 0, - .future = {0, 0, 0}, + .future = {0, 0}, .tempslopextension = {0, 0, 0, 0, 0, 0, 0, 0} }, .calFreqPier2G = { @@ -1486,6 +1491,7 @@ static const struct ar9300_eeprom ar9300_h112 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0cf0e0e0), .papdRateMaskHt40 = LE32(0x6cf0e0e0), + .switchcomspdt = 0, .xlna_bias_strength = 0, .futureModal = { 0, 0, 0, 0, 0, 0, 0, @@ -1861,6 +1867,7 @@ static const struct ar9300_eeprom ar9300_x112 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0c80c080), .papdRateMaskHt40 = LE32(0x0080c080), + .switchcomspdt = 0, .xlna_bias_strength = 0, .futureModal = { 0, 0, 0, 0, 0, 0, 0, @@ -1868,7 +1875,7 @@ static const struct ar9300_eeprom ar9300_x112 = { }, .base_ext1 = { .ant_div_control = 0, - .future = {0, 0, 0}, + .future = {0, 0}, .tempslopextension = {0, 0, 0, 0, 0, 0, 0, 0} }, .calFreqPier2G = { @@ -2063,6 +2070,7 @@ static const struct ar9300_eeprom ar9300_x112 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0cf0e0e0), .papdRateMaskHt40 = LE32(0x6cf0e0e0), + .switchcomspdt = 0, .xlna_bias_strength = 0, .futureModal = { 0, 0, 0, 0, 0, 0, 0, @@ -2437,6 +2445,7 @@ static const struct ar9300_eeprom ar9300_h116 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0c80C080), .papdRateMaskHt40 = LE32(0x0080C080), + .switchcomspdt = 0, .xlna_bias_strength = 0, .futureModal = { 0, 0, 0, 0, 0, 0, 0, @@ -2444,7 +2453,7 @@ static const struct ar9300_eeprom ar9300_h116 = { }, .base_ext1 = { .ant_div_control = 0, - .future = {0, 0, 0}, + .future = {0, 0}, .tempslopextension = {0, 0, 0, 0, 0, 0, 0, 0} }, .calFreqPier2G = { @@ -2639,6 +2648,7 @@ static const struct ar9300_eeprom ar9300_h116 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0cf0e0e0), .papdRateMaskHt40 = LE32(0x6cf0e0e0), + .switchcomspdt = 0, .xlna_bias_strength = 0, .futureModal = { 0, 0, 0, 0, 0, 0, 0, @@ -4111,6 +4121,37 @@ static void ar9003_hw_thermo_cal_apply(struct ath_hw *ah) } } +static void ar9003_hw_apply_minccapwr_thresh(struct ath_hw *ah, + bool is2ghz) +{ + struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep; + const u_int32_t cca_ctrl[AR9300_MAX_CHAINS] = { + AR_PHY_CCA_CTRL_0, + AR_PHY_CCA_CTRL_1, + AR_PHY_CCA_CTRL_2, + }; + int chain; + u32 val; + + if (is2ghz) { + if (!(eep->base_ext1.misc_enable & BIT(2))) + return; + } else { + if (!(eep->base_ext1.misc_enable & BIT(3))) + return; + } + + for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) { + if (!(ah->caps.tx_chainmask & BIT(chain))) + continue; + + val = ar9003_modal_header(ah, is2ghz)->noiseFloorThreshCh[chain]; + REG_RMW_FIELD(ah, cca_ctrl[chain], + AR_PHY_EXT_CCA0_THRESH62_1, val); + } + +} + static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah, struct ath9k_channel *chan) { @@ -4125,6 +4166,7 @@ static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah, if (!AR_SREV_9330(ah) && !AR_SREV_9340(ah)) ar9003_hw_internal_regulator_apply(ah); ar9003_hw_apply_tuning_caps(ah); + ar9003_hw_apply_minccapwr_thresh(ah, chan); ar9003_hw_txend_to_xpa_off_apply(ah, is2ghz); ar9003_hw_thermometer_apply(ah); ar9003_hw_thermo_cal_apply(ah); diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h index 0e5daa58a4fc..694ca2e680e5 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h @@ -270,10 +270,20 @@ struct cal_ctl_data_5g { u8 ctlEdges[AR9300_NUM_BAND_EDGES_5G]; } __packed; +#define MAX_BASE_EXTENSION_FUTURE 2 + struct ar9300_BaseExtension_1 { u8 ant_div_control; - u8 future[3]; - u8 tempslopextension[8]; + u8 future[MAX_BASE_EXTENSION_FUTURE]; + /* + * misc_enable: + * + * BIT 0 - TX Gain Cap enable. + * BIT 1 - Uncompressed Checksum enable. + * BIT 2/3 - MinCCApwr enable 2g/5g. + */ + u8 misc_enable; + int8_t tempslopextension[8]; int8_t quick_drop_low; int8_t quick_drop_high; } __packed; diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c index f6c5c1b50471..729ffbf07343 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c @@ -175,7 +175,8 @@ static void ar9003_hw_set_desc_link(void *ds, u32 ds_link) ads->ctl10 |= ar9003_calc_ptr_chksum(ads); } -static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) +static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked, + u32 *sync_cause_p) { u32 isr = 0; u32 mask2 = 0; @@ -310,7 +311,8 @@ static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) ar9003_mci_get_isr(ah, masked); if (sync_cause) { - ath9k_debug_sync_cause(common, sync_cause); + if (sync_cause_p) + *sync_cause_p = sync_cause; fatal_int = (sync_cause & (AR_INTR_SYNC_HOST1_FATAL | AR_INTR_SYNC_HOST1_PERR)) @@ -476,12 +478,12 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs, /* XXX: Keycache */ rxs->rs_rssi = MS(rxsp->status5, AR_RxRSSICombined); - rxs->rs_rssi_ctl0 = MS(rxsp->status1, AR_RxRSSIAnt00); - rxs->rs_rssi_ctl1 = MS(rxsp->status1, AR_RxRSSIAnt01); - rxs->rs_rssi_ctl2 = MS(rxsp->status1, AR_RxRSSIAnt02); - rxs->rs_rssi_ext0 = MS(rxsp->status5, AR_RxRSSIAnt10); - rxs->rs_rssi_ext1 = MS(rxsp->status5, AR_RxRSSIAnt11); - rxs->rs_rssi_ext2 = MS(rxsp->status5, AR_RxRSSIAnt12); + rxs->rs_rssi_ctl[0] = MS(rxsp->status1, AR_RxRSSIAnt00); + rxs->rs_rssi_ctl[1] = MS(rxsp->status1, AR_RxRSSIAnt01); + rxs->rs_rssi_ctl[2] = MS(rxsp->status1, AR_RxRSSIAnt02); + rxs->rs_rssi_ext[0] = MS(rxsp->status5, AR_RxRSSIAnt10); + rxs->rs_rssi_ext[1] = MS(rxsp->status5, AR_RxRSSIAnt11); + rxs->rs_rssi_ext[2] = MS(rxsp->status5, AR_RxRSSIAnt12); if (rxsp->status11 & AR_RxKeyIdxValid) rxs->rs_keyix = MS(rxsp->status11, AR_KeyIdx); diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h index bbbfc4dc59eb..1b441715ba39 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h @@ -270,7 +270,7 @@ #define AR_PHY_AGC (AR_AGC_BASE + 0x14) #define AR_PHY_EXT_ATTEN_CTL_0 (AR_AGC_BASE + 0x18) #define AR_PHY_CCA_0 (AR_AGC_BASE + 0x1c) -#define AR_PHY_EXT_CCA0 (AR_AGC_BASE + 0x20) +#define AR_PHY_CCA_CTRL_0 (AR_AGC_BASE + 0x20) #define AR_PHY_RESTART (AR_AGC_BASE + 0x24) /* @@ -398,6 +398,8 @@ #define AR9280_PHY_CCA_THRESH62_S 12 #define AR_PHY_EXT_CCA0_THRESH62 0x000000FF #define AR_PHY_EXT_CCA0_THRESH62_S 0 +#define AR_PHY_EXT_CCA0_THRESH62_1 0x000001FF +#define AR_PHY_EXT_CCA0_THRESH62_1_S 0 #define AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK 0x0000003F #define AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK_S 0 #define AR_PHY_CCK_DETECT_ANT_SWITCH_TIME 0x00001FC0 diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 5e5d5cb2458c..f2202e78fa7b 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -27,40 +27,15 @@ #include "common.h" #include "mci.h" #include "dfs.h" - -/* - * Header for the ath9k.ko driver core *only* -- hw code nor any other driver - * should rely on this file or its contents. - */ +#include "spectral.h" struct ath_node; +struct ath_rate_table; -/* Macro to expand scalars to 64-bit objects */ - -#define ito64(x) (sizeof(x) == 1) ? \ - (((unsigned long long int)(x)) & (0xff)) : \ - (sizeof(x) == 2) ? \ - (((unsigned long long int)(x)) & 0xffff) : \ - ((sizeof(x) == 4) ? \ - (((unsigned long long int)(x)) & 0xffffffff) : \ - (unsigned long long int)(x)) - -/* increment with wrap-around */ -#define INCR(_l, _sz) do { \ - (_l)++; \ - (_l) &= ((_sz) - 1); \ - } while (0) - -/* decrement with wrap-around */ -#define DECR(_l, _sz) do { \ - (_l)--; \ - (_l) &= ((_sz) - 1); \ - } while (0) - -#define TSF_TO_TU(_h,_l) \ - ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) - -#define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i)) +extern struct ieee80211_ops ath9k_ops; +extern int ath9k_modparam_nohwcrypt; +extern int led_blink; +extern bool is_ath9k_unloaded; struct ath_config { u16 txpowlimit; @@ -70,6 +45,17 @@ struct ath_config { /* Descriptor Management */ /*************************/ +#define ATH_TXSTATUS_RING_SIZE 512 + +/* Macro to expand scalars to 64-bit objects */ +#define ito64(x) (sizeof(x) == 1) ? \ + (((unsigned long long int)(x)) & (0xff)) : \ + (sizeof(x) == 2) ? \ + (((unsigned long long int)(x)) & 0xffff) : \ + ((sizeof(x) == 4) ? \ + (((unsigned long long int)(x)) & 0xffffffff) : \ + (unsigned long long int)(x)) + #define ATH_TXBUF_RESET(_bf) do { \ (_bf)->bf_lastbf = NULL; \ (_bf)->bf_next = NULL; \ @@ -77,23 +63,6 @@ struct ath_config { sizeof(struct ath_buf_state)); \ } while (0) -/** - * enum buffer_type - Buffer type flags - * - * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX) - * @BUF_AGGR: Indicates whether the buffer can be aggregated - * (used in aggregation scheduling) - */ -enum buffer_type { - BUF_AMPDU = BIT(0), - BUF_AGGR = BIT(1), -}; - -#define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU) -#define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR) - -#define ATH_TXSTATUS_RING_SIZE 512 - #define DS2PHYS(_dd, _ds) \ ((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc)) #define ATH_DESC_4KB_BOUND_CHECK(_daddr) ((((_daddr) & 0xFFF) > 0xF7F) ? 1 : 0) @@ -113,11 +82,20 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, /* RX / TX */ /***********/ +#define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i)) + +/* increment with wrap-around */ +#define INCR(_l, _sz) do { \ + (_l)++; \ + (_l) &= ((_sz) - 1); \ + } while (0) + #define ATH_RXBUF 512 #define ATH_TXBUF 512 #define ATH_TXBUF_RESERVE 5 #define ATH_MAX_QDEPTH (ATH_TXBUF / 4 - ATH_TXBUF_RESERVE) #define ATH_TXMAXTRY 13 +#define ATH_MAX_SW_RETRIES 30 #define TID_TO_WME_AC(_tid) \ ((((_tid) == 0) || ((_tid) == 3)) ? IEEE80211_AC_BE : \ @@ -133,6 +111,9 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, #define ATH_AGGR_MIN_QDEPTH 2 /* minimum h/w qdepth for non-aggregated traffic */ #define ATH_NON_AGGR_MIN_QDEPTH 8 +#define ATH_TX_COMPLETE_POLL_INT 1000 +#define ATH_TXFIFO_DEPTH 8 +#define ATH_TX_ERROR 0x01 #define IEEE80211_SEQ_SEQ_SHIFT 4 #define IEEE80211_SEQ_MAX 4096 @@ -167,9 +148,6 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, #define IS_CCK_RATE(rate) ((rate >= 0x18) && (rate <= 0x1e)) -#define ATH_TX_COMPLETE_POLL_INT 1000 - -#define ATH_TXFIFO_DEPTH 8 struct ath_txq { int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */ u32 axq_qnum; /* ath9k hardware queue number */ @@ -214,6 +192,21 @@ struct ath_rxbuf { dma_addr_t bf_buf_addr; }; +/** + * enum buffer_type - Buffer type flags + * + * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX) + * @BUF_AGGR: Indicates whether the buffer can be aggregated + * (used in aggregation scheduling) + */ +enum buffer_type { + BUF_AMPDU = BIT(0), + BUF_AGGR = BIT(1), +}; + +#define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU) +#define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR) + struct ath_buf_state { u8 bf_type; u8 bfs_paprd; @@ -278,7 +271,6 @@ struct ath_tx_control { struct ieee80211_sta *sta; }; -#define ATH_TX_ERROR 0x01 /** * @txq_map: Index is mac80211 queue number. This is @@ -372,6 +364,22 @@ struct ath_vif { struct ath_buf *av_bcbuf; }; +struct ath9k_vif_iter_data { + u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */ + u8 mask[ETH_ALEN]; /* bssid mask */ + bool has_hw_macaddr; + + int naps; /* number of AP vifs */ + int nmeshes; /* number of mesh vifs */ + int nstations; /* number of station vifs */ + int nwds; /* number of WDS vifs */ + int nadhocs; /* number of adhoc vifs */ +}; + +void ath9k_calculate_iter_data(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ath9k_vif_iter_data *iter_data); + /*******************/ /* Beacon Handling */ /*******************/ @@ -387,6 +395,9 @@ struct ath_vif { #define ATH_DEFAULT_BMISS_LIMIT 10 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) +#define TSF_TO_TU(_h,_l) \ + ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) + struct ath_beacon_config { int beacon_interval; u16 listen_interval; @@ -420,12 +431,10 @@ struct ath_beacon { }; void ath9k_beacon_tasklet(unsigned long data); -bool ath9k_allow_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif, u32 changed); void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif); -void ath9k_set_tsfadjust(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_set_beacon(struct ath_softc *sc); bool ath9k_csa_is_finished(struct ath_softc *sc); @@ -440,10 +449,9 @@ bool ath9k_csa_is_finished(struct ath_softc *sc); #define ATH_LONG_CALINTERVAL_INT 1000 /* 1000 ms */ #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */ #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */ -#define ATH_ANI_MAX_SKIP_COUNT 10 - -#define ATH_PAPRD_TIMEOUT 100 /* msecs */ -#define ATH_PLL_WORK_INTERVAL 100 +#define ATH_ANI_MAX_SKIP_COUNT 10 +#define ATH_PAPRD_TIMEOUT 100 /* msecs */ +#define ATH_PLL_WORK_INTERVAL 100 void ath_tx_complete_poll_work(struct work_struct *work); void ath_reset_work(struct work_struct *work); @@ -477,20 +485,19 @@ enum bt_op_flags { }; struct ath_btcoex { - bool hw_timer_enabled; spinlock_t btcoex_lock; struct timer_list period_timer; /* Timer for BT period */ + struct timer_list no_stomp_timer; u32 bt_priority_cnt; unsigned long bt_priority_time; unsigned long op_flags; int bt_stomp_type; /* Types of BT stomping */ - u32 btcoex_no_stomp; /* in usec */ + u32 btcoex_no_stomp; /* in msec */ u32 btcoex_period; /* in msec */ - u32 btscan_no_stomp; /* in usec */ + u32 btscan_no_stomp; /* in msec */ u32 duty_cycle; u32 bt_wait_time; int rssi_count; - struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */ struct ath_mci_profile mci; u8 stomp_audio; }; @@ -538,12 +545,6 @@ static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size) } #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ -struct ath9k_wow_pattern { - u8 pattern_bytes[MAX_PATTERN_SIZE]; - u8 mask_bytes[MAX_PATTERN_SIZE]; - u32 pattern_len; -}; - /********************/ /* LED Control */ /********************/ @@ -575,6 +576,12 @@ static inline void ath_fill_led_pin(struct ath_softc *sc) /* Wake on Wireless LAN */ /************************/ +struct ath9k_wow_pattern { + u8 pattern_bytes[MAX_PATTERN_SIZE]; + u8 mask_bytes[MAX_PATTERN_SIZE]; + u32 pattern_len; +}; + #ifdef CONFIG_ATH9K_WOW void ath9k_init_wow(struct ieee80211_hw *hw); int ath9k_suspend(struct ieee80211_hw *hw, @@ -678,13 +685,8 @@ void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs); * Used when PCI device not fully initialized by bootrom/BIOS */ #define DEFAULT_CACHELINE 32 -#define ATH_REGCLASSIDS_MAX 10 #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */ -#define ATH_MAX_SW_RETRIES 30 -#define ATH_CHAN_MAX 255 - #define ATH_TXPOWER_MAX 100 /* .5 dBm units */ -#define ATH_RATE_DUMMY_MARKER 0 enum sc_op_flags { SC_OP_INVALID, @@ -703,37 +705,6 @@ enum sc_op_flags { #define PS_BEACON_SYNC BIT(4) #define PS_WAIT_FOR_ANI BIT(5) -struct ath_rate_table; - -struct ath9k_vif_iter_data { - u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */ - u8 mask[ETH_ALEN]; /* bssid mask */ - bool has_hw_macaddr; - - int naps; /* number of AP vifs */ - int nmeshes; /* number of mesh vifs */ - int nstations; /* number of station vifs */ - int nwds; /* number of WDS vifs */ - int nadhocs; /* number of adhoc vifs */ -}; - -/* enum spectral_mode: - * - * @SPECTRAL_DISABLED: spectral mode is disabled - * @SPECTRAL_BACKGROUND: hardware sends samples when it is not busy with - * something else. - * @SPECTRAL_MANUAL: spectral scan is enabled, triggering for samples - * is performed manually. - * @SPECTRAL_CHANSCAN: Like manual, but also triggered when changing channels - * during a channel scan. - */ -enum spectral_mode { - SPECTRAL_DISABLED = 0, - SPECTRAL_BACKGROUND, - SPECTRAL_MANUAL, - SPECTRAL_CHANSCAN, -}; - struct ath_softc { struct ieee80211_hw *hw; struct device *dev; @@ -823,162 +794,6 @@ struct ath_softc { #endif }; -#define SPECTRAL_SCAN_BITMASK 0x10 -/* Radar info packet format, used for DFS and spectral formats. */ -struct ath_radar_info { - u8 pulse_length_pri; - u8 pulse_length_ext; - u8 pulse_bw_info; -} __packed; - -/* The HT20 spectral data has 4 bytes of additional information at it's end. - * - * [7:0]: all bins {max_magnitude[1:0], bitmap_weight[5:0]} - * [7:0]: all bins max_magnitude[9:2] - * [7:0]: all bins {max_index[5:0], max_magnitude[11:10]} - * [3:0]: max_exp (shift amount to size max bin to 8-bit unsigned) - */ -struct ath_ht20_mag_info { - u8 all_bins[3]; - u8 max_exp; -} __packed; - -#define SPECTRAL_HT20_NUM_BINS 56 - -/* WARNING: don't actually use this struct! MAC may vary the amount of - * data by -1/+2. This struct is for reference only. - */ -struct ath_ht20_fft_packet { - u8 data[SPECTRAL_HT20_NUM_BINS]; - struct ath_ht20_mag_info mag_info; - struct ath_radar_info radar_info; -} __packed; - -#define SPECTRAL_HT20_TOTAL_DATA_LEN (sizeof(struct ath_ht20_fft_packet)) - -/* Dynamic 20/40 mode: - * - * [7:0]: lower bins {max_magnitude[1:0], bitmap_weight[5:0]} - * [7:0]: lower bins max_magnitude[9:2] - * [7:0]: lower bins {max_index[5:0], max_magnitude[11:10]} - * [7:0]: upper bins {max_magnitude[1:0], bitmap_weight[5:0]} - * [7:0]: upper bins max_magnitude[9:2] - * [7:0]: upper bins {max_index[5:0], max_magnitude[11:10]} - * [3:0]: max_exp (shift amount to size max bin to 8-bit unsigned) - */ -struct ath_ht20_40_mag_info { - u8 lower_bins[3]; - u8 upper_bins[3]; - u8 max_exp; -} __packed; - -#define SPECTRAL_HT20_40_NUM_BINS 128 - -/* WARNING: don't actually use this struct! MAC may vary the amount of - * data. This struct is for reference only. - */ -struct ath_ht20_40_fft_packet { - u8 data[SPECTRAL_HT20_40_NUM_BINS]; - struct ath_ht20_40_mag_info mag_info; - struct ath_radar_info radar_info; -} __packed; - - -#define SPECTRAL_HT20_40_TOTAL_DATA_LEN (sizeof(struct ath_ht20_40_fft_packet)) - -/* grabs the max magnitude from the all/upper/lower bins */ -static inline u16 spectral_max_magnitude(u8 *bins) -{ - return (bins[0] & 0xc0) >> 6 | - (bins[1] & 0xff) << 2 | - (bins[2] & 0x03) << 10; -} - -/* return the max magnitude from the all/upper/lower bins */ -static inline u8 spectral_max_index(u8 *bins) -{ - s8 m = (bins[2] & 0xfc) >> 2; - - /* TODO: this still doesn't always report the right values ... */ - if (m > 32) - m |= 0xe0; - else - m &= ~0xe0; - - return m + 29; -} - -/* return the bitmap weight from the all/upper/lower bins */ -static inline u8 spectral_bitmap_weight(u8 *bins) -{ - return bins[0] & 0x3f; -} - -/* FFT sample format given to userspace via debugfs. - * - * Please keep the type/length at the front position and change - * other fields after adding another sample type - * - * TODO: this might need rework when switching to nl80211-based - * interface. - */ -enum ath_fft_sample_type { - ATH_FFT_SAMPLE_HT20 = 1, - ATH_FFT_SAMPLE_HT20_40, -}; - -struct fft_sample_tlv { - u8 type; /* see ath_fft_sample */ - __be16 length; - /* type dependent data follows */ -} __packed; - -struct fft_sample_ht20 { - struct fft_sample_tlv tlv; - - u8 max_exp; - - __be16 freq; - s8 rssi; - s8 noise; - - __be16 max_magnitude; - u8 max_index; - u8 bitmap_weight; - - __be64 tsf; - - u8 data[SPECTRAL_HT20_NUM_BINS]; -} __packed; - -struct fft_sample_ht20_40 { - struct fft_sample_tlv tlv; - - u8 channel_type; - __be16 freq; - - s8 lower_rssi; - s8 upper_rssi; - - __be64 tsf; - - s8 lower_noise; - s8 upper_noise; - - __be16 lower_max_magnitude; - __be16 upper_max_magnitude; - - u8 lower_max_index; - u8 upper_max_index; - - u8 lower_bitmap_weight; - u8 upper_bitmap_weight; - - u8 max_exp; - - u8 data[SPECTRAL_HT20_40_NUM_BINS]; -} __packed; - /********/ /* TX99 */ /********/ @@ -999,19 +814,13 @@ static inline int ath9k_tx99_send(struct ath_softc *sc, } #endif /* CONFIG_ATH9K_TX99 */ -void ath9k_tasklet(unsigned long data); -int ath_cabq_update(struct ath_softc *); - static inline void ath_read_cachesize(struct ath_common *common, int *csz) { common->bus_ops->read_cachesize(common, csz); } -extern struct ieee80211_ops ath9k_ops; -extern int ath9k_modparam_nohwcrypt; -extern int led_blink; -extern bool is_ath9k_unloaded; - +void ath9k_tasklet(unsigned long data); +int ath_cabq_update(struct ath_softc *); u8 ath9k_parse_mpdudensity(u8 mpdudensity); irqreturn_t ath_isr(int irq, void *dev); int ath_reset(struct ath_softc *sc); @@ -1020,13 +829,12 @@ void ath_restart_work(struct ath_softc *sc); int ath9k_init_device(u16 devid, struct ath_softc *sc, const struct ath_bus_ops *bus_ops); void ath9k_deinit_device(struct ath_softc *sc); -void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw); void ath9k_reload_chainmask_settings(struct ath_softc *sc); - -void ath9k_spectral_scan_trigger(struct ieee80211_hw *hw); -int ath9k_spectral_scan_config(struct ieee80211_hw *hw, - enum spectral_mode spectral_mode); - +u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate); +void ath_start_rfkill_poll(struct ath_softc *sc); +void ath9k_rfkill_poll_state(struct ieee80211_hw *hw); +void ath9k_ps_wakeup(struct ath_softc *sc); +void ath9k_ps_restore(struct ath_softc *sc); #ifdef CONFIG_ATH9K_PCI int ath_pci_init(void); @@ -1044,15 +852,4 @@ static inline int ath_ahb_init(void) { return 0; }; static inline void ath_ahb_exit(void) {}; #endif -void ath9k_ps_wakeup(struct ath_softc *sc); -void ath9k_ps_restore(struct ath_softc *sc); - -u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate); - -void ath_start_rfkill_poll(struct ath_softc *sc); -void ath9k_rfkill_poll_state(struct ieee80211_hw *hw); -void ath9k_calculate_iter_data(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ath9k_vif_iter_data *iter_data); - #endif /* ATH9K_H */ diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index 17be35392bb4..112aff720e13 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -274,18 +274,19 @@ static int ath9k_beacon_choose_slot(struct ath_softc *sc) return slot; } -void ath9k_set_tsfadjust(struct ath_softc *sc, struct ieee80211_vif *vif) +static void ath9k_set_tsfadjust(struct ath_softc *sc, struct ieee80211_vif *vif) { struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ath_beacon_config *cur_conf = &sc->cur_beacon_conf; struct ath_vif *avp = (void *)vif->drv_priv; - u64 tsfadjust; + u32 tsfadjust; if (avp->av_bslot == 0) return; - tsfadjust = cur_conf->beacon_interval * avp->av_bslot / ATH_BCBUF; - avp->tsf_adjust = cpu_to_le64(TU_TO_USEC(tsfadjust)); + tsfadjust = cur_conf->beacon_interval * avp->av_bslot; + tsfadjust = TU_TO_USEC(tsfadjust) / ATH_BCBUF; + avp->tsf_adjust = cpu_to_le64(tsfadjust); ath_dbg(common, CONFIG, "tsfadjust is: %llu for bslot: %d\n", (unsigned long long)tsfadjust, avp->av_bslot); @@ -431,6 +432,33 @@ static void ath9k_beacon_init(struct ath_softc *sc, u32 nexttbtt, ath9k_hw_enable_interrupts(ah); } +/* Calculate the modulo of a 64 bit TSF snapshot with a TU divisor */ +static u32 ath9k_mod_tsf64_tu(u64 tsf, u32 div_tu) +{ + u32 tsf_mod, tsf_hi, tsf_lo, mod_hi, mod_lo; + + tsf_mod = tsf & (BIT(10) - 1); + tsf_hi = tsf >> 32; + tsf_lo = ((u32) tsf) >> 10; + + mod_hi = tsf_hi % div_tu; + mod_lo = ((mod_hi << 22) + tsf_lo) % div_tu; + + return (mod_lo << 10) | tsf_mod; +} + +static u32 ath9k_get_next_tbtt(struct ath_softc *sc, u64 tsf, + unsigned int interval) +{ + struct ath_hw *ah = sc->sc_ah; + unsigned int offset; + + tsf += TU_TO_USEC(FUDGE + ah->config.sw_beacon_response_time); + offset = ath9k_mod_tsf64_tu(tsf, interval); + + return (u32) tsf + TU_TO_USEC(interval) - offset; +} + /* * For multi-bss ap support beacons are either staggered evenly over N slots or * burst together. For the former arrange for the SWBA to be delivered for each @@ -446,7 +474,8 @@ static void ath9k_beacon_config_ap(struct ath_softc *sc, /* NB: the beacon interval is kept internally in TU's */ intval = TU_TO_USEC(conf->beacon_interval); intval /= ATH_BCBUF; - nexttbtt = intval; + nexttbtt = ath9k_get_next_tbtt(sc, ath9k_hw_gettsf64(ah), + conf->beacon_interval); if (conf->enable_beacon) ah->imask |= ATH9K_INT_SWBA; @@ -458,7 +487,7 @@ static void ath9k_beacon_config_ap(struct ath_softc *sc, (conf->enable_beacon) ? "Enable" : "Disable", nexttbtt, intval, conf->beacon_interval); - ath9k_beacon_init(sc, nexttbtt, intval, true); + ath9k_beacon_init(sc, nexttbtt, intval, false); } /* @@ -475,11 +504,9 @@ static void ath9k_beacon_config_sta(struct ath_softc *sc, struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); struct ath9k_beacon_state bs; - int dtimperiod, dtimcount, sleepduration; - int cfpperiod, cfpcount; - u32 nexttbtt = 0, intval, tsftu; + int dtim_intval, sleepduration; + u32 nexttbtt = 0, intval; u64 tsf; - int num_beacons, offset, dtim_dec_count, cfp_dec_count; /* No need to configure beacon if we are not associated */ if (!test_bit(SC_OP_PRIM_STA_VIF, &sc->sc_flags)) { @@ -492,53 +519,25 @@ static void ath9k_beacon_config_sta(struct ath_softc *sc, intval = conf->beacon_interval; /* - * Setup dtim and cfp parameters according to + * Setup dtim parameters according to * last beacon we received (which may be none). */ - dtimperiod = conf->dtim_period; - dtimcount = conf->dtim_count; - if (dtimcount >= dtimperiod) /* NB: sanity check */ - dtimcount = 0; - cfpperiod = 1; /* NB: no PCF support yet */ - cfpcount = 0; - + dtim_intval = intval * conf->dtim_period; sleepduration = conf->listen_interval * intval; /* * Pull nexttbtt forward to reflect the current - * TSF and calculate dtim+cfp state for the result. + * TSF and calculate dtim state for the result. */ tsf = ath9k_hw_gettsf64(ah); - tsftu = TSF_TO_TU(tsf>>32, tsf) + FUDGE; - - num_beacons = tsftu / intval + 1; - offset = tsftu % intval; - nexttbtt = tsftu - offset; - if (offset) - nexttbtt += intval; - - /* DTIM Beacon every dtimperiod Beacon */ - dtim_dec_count = num_beacons % dtimperiod; - /* CFP every cfpperiod DTIM Beacon */ - cfp_dec_count = (num_beacons / dtimperiod) % cfpperiod; - if (dtim_dec_count) - cfp_dec_count++; - - dtimcount -= dtim_dec_count; - if (dtimcount < 0) - dtimcount += dtimperiod; - - cfpcount -= cfp_dec_count; - if (cfpcount < 0) - cfpcount += cfpperiod; - - bs.bs_intval = intval; + nexttbtt = ath9k_get_next_tbtt(sc, tsf, intval); + + bs.bs_intval = TU_TO_USEC(intval); + bs.bs_dtimperiod = conf->dtim_period * bs.bs_intval; bs.bs_nexttbtt = nexttbtt; - bs.bs_dtimperiod = dtimperiod*intval; - bs.bs_nextdtim = bs.bs_nexttbtt + dtimcount*intval; - bs.bs_cfpperiod = cfpperiod*bs.bs_dtimperiod; - bs.bs_cfpnext = bs.bs_nextdtim + cfpcount*bs.bs_dtimperiod; - bs.bs_cfpmaxduration = 0; + bs.bs_nextdtim = nexttbtt; + if (conf->dtim_period > 1) + bs.bs_nextdtim = ath9k_get_next_tbtt(sc, tsf, dtim_intval); /* * Calculate the number of consecutive beacons to miss* before taking @@ -566,18 +565,16 @@ static void ath9k_beacon_config_sta(struct ath_softc *sc, * XXX fixed at 100ms */ - bs.bs_sleepduration = roundup(IEEE80211_MS_TO_TU(100), sleepduration); + bs.bs_sleepduration = TU_TO_USEC(roundup(IEEE80211_MS_TO_TU(100), + sleepduration)); if (bs.bs_sleepduration > bs.bs_dtimperiod) bs.bs_sleepduration = bs.bs_dtimperiod; /* TSF out of range threshold fixed at 1 second */ bs.bs_tsfoor_threshold = ATH9K_TSFOOR_THRESHOLD; - ath_dbg(common, BEACON, "tsf: %llu tsftu: %u\n", tsf, tsftu); - ath_dbg(common, BEACON, - "bmiss: %u sleep: %u cfp-period: %u maxdur: %u next: %u\n", - bs.bs_bmissthreshold, bs.bs_sleepduration, - bs.bs_cfpperiod, bs.bs_cfpmaxduration, bs.bs_cfpnext); + ath_dbg(common, BEACON, "bmiss: %u sleep: %u\n", + bs.bs_bmissthreshold, bs.bs_sleepduration); /* Set the computed STA beacon timers */ @@ -600,25 +597,11 @@ static void ath9k_beacon_config_adhoc(struct ath_softc *sc, intval = TU_TO_USEC(conf->beacon_interval); - if (conf->ibss_creator) { + if (conf->ibss_creator) nexttbtt = intval; - } else { - u32 tbtt, offset, tsftu; - u64 tsf; - - /* - * Pull nexttbtt forward to reflect the current - * sync'd TSF. - */ - tsf = ath9k_hw_gettsf64(ah); - tsftu = TSF_TO_TU(tsf >> 32, tsf) + FUDGE; - offset = tsftu % conf->beacon_interval; - tbtt = tsftu - offset; - if (offset) - tbtt += conf->beacon_interval; - - nexttbtt = TU_TO_USEC(tbtt); - } + else + nexttbtt = ath9k_get_next_tbtt(sc, ath9k_hw_gettsf64(ah), + conf->beacon_interval); if (conf->enable_beacon) ah->imask |= ATH9K_INT_SWBA; @@ -640,7 +623,8 @@ static void ath9k_beacon_config_adhoc(struct ath_softc *sc, set_bit(SC_OP_BEACONS, &sc->sc_flags); } -bool ath9k_allow_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif) +static bool ath9k_allow_beacon_config(struct ath_softc *sc, + struct ieee80211_vif *vif) { struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ath_vif *avp = (void *)vif->drv_priv; @@ -711,12 +695,17 @@ void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif, unsigned long flags; bool skip_beacon = false; + if (vif->type == NL80211_IFTYPE_AP) + ath9k_set_tsfadjust(sc, vif); + + if (!ath9k_allow_beacon_config(sc, vif)) + return; + if (sc->sc_ah->opmode == NL80211_IFTYPE_STATION) { ath9k_cache_beacon_config(sc, bss_conf); ath9k_set_beacon(sc); set_bit(SC_OP_BEACONS, &sc->sc_flags); return; - } /* diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c index 9963b0bf9f72..3dfc2c7f1f07 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.c +++ b/drivers/net/wireless/ath/ath9k/btcoex.c @@ -66,7 +66,6 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum) .bt_first_slot_time = 5, .bt_hold_rx_clear = true, }; - u32 i, idx; bool rxclear_polarity = ath_bt_config.bt_rxclear_polarity; if (AR_SREV_9300_20_OR_LATER(ah)) @@ -88,11 +87,6 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum) SM(ath_bt_config.bt_hold_rx_clear, AR_BT_HOLD_RX_CLEAR) | SM(ATH_BTCOEX_BMISS_THRESH, AR_BT_BCN_MISS_THRESH) | AR_BT_DISABLE_BT_ANT; - - for (i = 0; i < 32; i++) { - idx = (debruijn32 << i) >> 27; - ah->hw_gen_timers.gen_timer_index[idx] = i; - } } EXPORT_SYMBOL(ath9k_hw_init_btcoex_hw); diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c index a7e5a05b2eff..768c733cad31 100644 --- a/drivers/net/wireless/ath/ath9k/common.c +++ b/drivers/net/wireless/ath/ath9k/common.c @@ -98,10 +98,8 @@ struct ath9k_channel *ath9k_cmn_get_channel(struct ieee80211_hw *hw, { struct ieee80211_channel *curchan = chandef->chan; struct ath9k_channel *channel; - u8 chan_idx; - chan_idx = curchan->hw_value; - channel = &ah->channels[chan_idx]; + channel = &ah->channels[curchan->hw_value]; ath9k_cmn_update_ichannel(channel, chandef); return channel; diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 2f7dccfdb727..b041052a10ee 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -17,7 +17,6 @@ #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/export.h> -#include <linux/relay.h> #include <asm/unaligned.h> #include "ath9k.h" @@ -27,6 +26,47 @@ #define REG_READ_D(_ah, _reg) \ ath9k_hw_common(_ah)->ops->read((_ah), (_reg)) +void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause) +{ + if (sync_cause) + sc->debug.stats.istats.sync_cause_all++; + if (sync_cause & AR_INTR_SYNC_RTC_IRQ) + sc->debug.stats.istats.sync_rtc_irq++; + if (sync_cause & AR_INTR_SYNC_MAC_IRQ) + sc->debug.stats.istats.sync_mac_irq++; + if (sync_cause & AR_INTR_SYNC_EEPROM_ILLEGAL_ACCESS) + sc->debug.stats.istats.eeprom_illegal_access++; + if (sync_cause & AR_INTR_SYNC_APB_TIMEOUT) + sc->debug.stats.istats.apb_timeout++; + if (sync_cause & AR_INTR_SYNC_PCI_MODE_CONFLICT) + sc->debug.stats.istats.pci_mode_conflict++; + if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) + sc->debug.stats.istats.host1_fatal++; + if (sync_cause & AR_INTR_SYNC_HOST1_PERR) + sc->debug.stats.istats.host1_perr++; + if (sync_cause & AR_INTR_SYNC_TRCV_FIFO_PERR) + sc->debug.stats.istats.trcv_fifo_perr++; + if (sync_cause & AR_INTR_SYNC_RADM_CPL_EP) + sc->debug.stats.istats.radm_cpl_ep++; + if (sync_cause & AR_INTR_SYNC_RADM_CPL_DLLP_ABORT) + sc->debug.stats.istats.radm_cpl_dllp_abort++; + if (sync_cause & AR_INTR_SYNC_RADM_CPL_TLP_ABORT) + sc->debug.stats.istats.radm_cpl_tlp_abort++; + if (sync_cause & AR_INTR_SYNC_RADM_CPL_ECRC_ERR) + sc->debug.stats.istats.radm_cpl_ecrc_err++; + if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) + sc->debug.stats.istats.radm_cpl_timeout++; + if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) + sc->debug.stats.istats.local_timeout++; + if (sync_cause & AR_INTR_SYNC_PM_ACCESS) + sc->debug.stats.istats.pm_access++; + if (sync_cause & AR_INTR_SYNC_MAC_AWAKE) + sc->debug.stats.istats.mac_awake++; + if (sync_cause & AR_INTR_SYNC_MAC_ASLEEP) + sc->debug.stats.istats.mac_asleep++; + if (sync_cause & AR_INTR_SYNC_MAC_SLEEP_ACCESS) + sc->debug.stats.istats.mac_sleep_access++; +} static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -1016,293 +1056,6 @@ static const struct file_operations fops_recv = { .llseek = default_llseek, }; -static ssize_t read_file_spec_scan_ctl(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct ath_softc *sc = file->private_data; - char *mode = ""; - unsigned int len; - - switch (sc->spectral_mode) { - case SPECTRAL_DISABLED: - mode = "disable"; - break; - case SPECTRAL_BACKGROUND: - mode = "background"; - break; - case SPECTRAL_CHANSCAN: - mode = "chanscan"; - break; - case SPECTRAL_MANUAL: - mode = "manual"; - break; - } - len = strlen(mode); - return simple_read_from_buffer(user_buf, count, ppos, mode, len); -} - -static ssize_t write_file_spec_scan_ctl(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct ath_softc *sc = file->private_data; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - char buf[32]; - ssize_t len; - - if (config_enabled(CONFIG_ATH9K_TX99)) - return -EOPNOTSUPP; - - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) - return -EFAULT; - - buf[len] = '\0'; - - if (strncmp("trigger", buf, 7) == 0) { - ath9k_spectral_scan_trigger(sc->hw); - } else if (strncmp("background", buf, 9) == 0) { - ath9k_spectral_scan_config(sc->hw, SPECTRAL_BACKGROUND); - ath_dbg(common, CONFIG, "spectral scan: background mode enabled\n"); - } else if (strncmp("chanscan", buf, 8) == 0) { - ath9k_spectral_scan_config(sc->hw, SPECTRAL_CHANSCAN); - ath_dbg(common, CONFIG, "spectral scan: channel scan mode enabled\n"); - } else if (strncmp("manual", buf, 6) == 0) { - ath9k_spectral_scan_config(sc->hw, SPECTRAL_MANUAL); - ath_dbg(common, CONFIG, "spectral scan: manual mode enabled\n"); - } else if (strncmp("disable", buf, 7) == 0) { - ath9k_spectral_scan_config(sc->hw, SPECTRAL_DISABLED); - ath_dbg(common, CONFIG, "spectral scan: disabled\n"); - } else { - return -EINVAL; - } - - return count; -} - -static const struct file_operations fops_spec_scan_ctl = { - .read = read_file_spec_scan_ctl, - .write = write_file_spec_scan_ctl, - .open = simple_open, - .owner = THIS_MODULE, - .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, - struct rchan_buf *buf, - int *is_global) -{ - struct dentry *buf_file; - - buf_file = debugfs_create_file(filename, mode, parent, buf, - &relay_file_operations); - *is_global = 1; - return buf_file; -} - -static int remove_buf_file_handler(struct dentry *dentry) -{ - debugfs_remove(dentry); - - return 0; -} - -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; - - 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 = { - .create_buf_file = create_buf_file_handler, - .remove_buf_file = remove_buf_file_handler, -}; - - static ssize_t read_file_regidx(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -1772,10 +1525,7 @@ void ath9k_get_et_stats(struct ieee80211_hw *hw, void ath9k_deinit_debug(struct ath_softc *sc) { - if (config_enabled(CONFIG_ATH9K_DEBUGFS) && sc->rfs_chan_spec_scan) { - relay_close(sc->rfs_chan_spec_scan); - sc->rfs_chan_spec_scan = NULL; - } + ath9k_spectral_deinit_debug(sc); } int ath9k_init_debug(struct ath_hw *ah) @@ -1795,6 +1545,7 @@ int ath9k_init_debug(struct ath_hw *ah) ath9k_dfs_init_debug(sc); ath9k_tx99_init_debug(sc); + ath9k_spectral_init_debug(sc); debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc, &fops_dma); @@ -1841,23 +1592,6 @@ int ath9k_init_debug(struct ath_hw *ah) &fops_base_eeprom); debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, &fops_modal_eeprom); - sc->rfs_chan_spec_scan = relay_open("spectral_scan", - sc->debug.debugfs_phy, - 1024, 256, &rfs_spec_scan_cb, - NULL); - 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); debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR, diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h index d6e3fa4299a4..ec02d38ea8ea 100644 --- a/drivers/net/wireless/ath/ath9k/debug.h +++ b/drivers/net/wireless/ath/ath9k/debug.h @@ -292,11 +292,11 @@ void ath9k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct dentry *dir); -void ath_debug_send_fft_sample(struct ath_softc *sc, - struct fft_sample_tlv *fft_sample); void ath9k_debug_stat_ant(struct ath_softc *sc, struct ath_hw_antcomb_conf *div_ant_conf, int main_rssi_avg, int alt_rssi_avg); +void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause); + #else #define RX_STAT_INC(c) /* NOP */ @@ -331,6 +331,11 @@ static inline void ath9k_debug_stat_ant(struct ath_softc *sc, } +static inline void +ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause) +{ +} + #endif /* CONFIG_ATH9K_DEBUGFS */ #endif /* DEBUG_H */ diff --git a/drivers/net/wireless/ath/ath9k/dfs.c b/drivers/net/wireless/ath/ath9k/dfs.c index 7187d3671512..857bb28b3894 100644 --- a/drivers/net/wireless/ath/ath9k/dfs.c +++ b/drivers/net/wireless/ath/ath9k/dfs.c @@ -158,8 +158,8 @@ void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data, return; } - ard.rssi = rs->rs_rssi_ctl0; - ard.ext_rssi = rs->rs_rssi_ext0; + ard.rssi = rs->rs_rssi_ctl[0]; + ard.ext_rssi = rs->rs_rssi_ext[0]; /* * hardware stores this as 8 bit signed value. diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c index b4091716e9b3..07b806c56c56 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c +++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c @@ -1085,31 +1085,7 @@ static void ath9k_hw_4k_set_board_values(struct ath_hw *ah, static u16 ath9k_hw_4k_get_spur_channel(struct ath_hw *ah, u16 i, bool is2GHz) { -#define EEP_MAP4K_SPURCHAN \ - (ah->eeprom.map4k.modalHeader.spurChans[i].spurChan) - struct ath_common *common = ath9k_hw_common(ah); - - u16 spur_val = AR_NO_SPUR; - - ath_dbg(common, ANI, "Getting spur idx:%d is2Ghz:%d val:%x\n", - i, is2GHz, ah->config.spurchans[i][is2GHz]); - - switch (ah->config.spurmode) { - case SPUR_DISABLE: - break; - case SPUR_ENABLE_IOCTL: - spur_val = ah->config.spurchans[i][is2GHz]; - ath_dbg(common, ANI, "Getting spur val from new loc. %d\n", - spur_val); - break; - case SPUR_ENABLE_EEPROM: - spur_val = EEP_MAP4K_SPURCHAN; - break; - } - - return spur_val; - -#undef EEP_MAP4K_SPURCHAN + return ah->eeprom.map4k.modalHeader.spurChans[i].spurChan; } const struct eeprom_ops eep_4k_ops = { diff --git a/drivers/net/wireless/ath/ath9k/eeprom_9287.c b/drivers/net/wireless/ath/ath9k/eeprom_9287.c index e1d0c217c104..5ba1385c9838 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c +++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c @@ -1004,31 +1004,7 @@ static void ath9k_hw_ar9287_set_board_values(struct ath_hw *ah, static u16 ath9k_hw_ar9287_get_spur_channel(struct ath_hw *ah, u16 i, bool is2GHz) { -#define EEP_MAP9287_SPURCHAN \ - (ah->eeprom.map9287.modalHeader.spurChans[i].spurChan) - - struct ath_common *common = ath9k_hw_common(ah); - u16 spur_val = AR_NO_SPUR; - - ath_dbg(common, ANI, "Getting spur idx:%d is2Ghz:%d val:%x\n", - i, is2GHz, ah->config.spurchans[i][is2GHz]); - - switch (ah->config.spurmode) { - case SPUR_DISABLE: - break; - case SPUR_ENABLE_IOCTL: - spur_val = ah->config.spurchans[i][is2GHz]; - ath_dbg(common, ANI, "Getting spur val from new loc. %d\n", - spur_val); - break; - case SPUR_ENABLE_EEPROM: - spur_val = EEP_MAP9287_SPURCHAN; - break; - } - - return spur_val; - -#undef EEP_MAP9287_SPURCHAN + return ah->eeprom.map9287.modalHeader.spurChans[i].spurChan; } const struct eeprom_ops eep_ar9287_ops = { diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c index 39107e31e79a..3218ca994746 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom_def.c +++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c @@ -1348,31 +1348,7 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah, static u16 ath9k_hw_def_get_spur_channel(struct ath_hw *ah, u16 i, bool is2GHz) { -#define EEP_DEF_SPURCHAN \ - (ah->eeprom.def.modalHeader[is2GHz].spurChans[i].spurChan) - struct ath_common *common = ath9k_hw_common(ah); - - u16 spur_val = AR_NO_SPUR; - - ath_dbg(common, ANI, "Getting spur idx:%d is2Ghz:%d val:%x\n", - i, is2GHz, ah->config.spurchans[i][is2GHz]); - - switch (ah->config.spurmode) { - case SPUR_DISABLE: - break; - case SPUR_ENABLE_IOCTL: - spur_val = ah->config.spurchans[i][is2GHz]; - ath_dbg(common, ANI, "Getting spur val from new loc. %d\n", - spur_val); - break; - case SPUR_ENABLE_EEPROM: - spur_val = EEP_DEF_SPURCHAN; - break; - } - - return spur_val; - -#undef EEP_DEF_SPURCHAN + return ah->eeprom.def.modalHeader[is2GHz].spurChans[i].spurChan; } const struct eeprom_ops eep_def_ops = { diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c index c34f21241da9..b1956bf6e01e 100644 --- a/drivers/net/wireless/ath/ath9k/gpio.c +++ b/drivers/net/wireless/ath/ath9k/gpio.c @@ -157,36 +157,6 @@ static void ath_detect_bt_priority(struct ath_softc *sc) } } -static void ath9k_gen_timer_start(struct ath_hw *ah, - struct ath_gen_timer *timer, - u32 trig_timeout, - u32 timer_period) -{ - ath9k_hw_gen_timer_start(ah, timer, trig_timeout, timer_period); - - if ((ah->imask & ATH9K_INT_GENTIMER) == 0) { - ath9k_hw_disable_interrupts(ah); - ah->imask |= ATH9K_INT_GENTIMER; - ath9k_hw_set_interrupts(ah); - ath9k_hw_enable_interrupts(ah); - } -} - -static void ath9k_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer) -{ - struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; - - ath9k_hw_gen_timer_stop(ah, timer); - - /* if no timer is enabled, turn off interrupt mask */ - if (timer_table->timer_mask.val == 0) { - ath9k_hw_disable_interrupts(ah); - ah->imask &= ~ATH9K_INT_GENTIMER; - ath9k_hw_set_interrupts(ah); - ath9k_hw_enable_interrupts(ah); - } -} - static void ath_mci_ftp_adjust(struct ath_softc *sc) { struct ath_btcoex *btcoex = &sc->btcoex; @@ -257,19 +227,9 @@ static void ath_btcoex_period_timer(unsigned long data) spin_unlock_bh(&btcoex->btcoex_lock); - /* - * btcoex_period is in msec while (btocex/btscan_)no_stomp are in usec, - * ensure that we properly convert btcoex_period to usec - * for any comparision with (btcoex/btscan_)no_stomp. - */ - if (btcoex->btcoex_period * 1000 != btcoex->btcoex_no_stomp) { - if (btcoex->hw_timer_enabled) - ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer); - - ath9k_gen_timer_start(ah, btcoex->no_stomp_timer, timer_period, - timer_period * 10); - btcoex->hw_timer_enabled = true; - } + if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) + mod_timer(&btcoex->no_stomp_timer, + jiffies + msecs_to_jiffies(timer_period)); ath9k_ps_restore(sc); @@ -282,7 +242,7 @@ skip_hw_wakeup: * Generic tsf based hw timer which configures weight * registers to time slice between wlan and bt traffic */ -static void ath_btcoex_no_stomp_timer(void *arg) +static void ath_btcoex_no_stomp_timer(unsigned long arg) { struct ath_softc *sc = (struct ath_softc *)arg; struct ath_hw *ah = sc->sc_ah; @@ -311,24 +271,18 @@ static int ath_init_btcoex_timer(struct ath_softc *sc) struct ath_btcoex *btcoex = &sc->btcoex; btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD; - btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) * 1000 * + btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) * btcoex->btcoex_period / 100; - btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) * 1000 * + btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) * btcoex->btcoex_period / 100; setup_timer(&btcoex->period_timer, ath_btcoex_period_timer, (unsigned long) sc); + setup_timer(&btcoex->no_stomp_timer, ath_btcoex_no_stomp_timer, + (unsigned long) sc); spin_lock_init(&btcoex->btcoex_lock); - btcoex->no_stomp_timer = ath_gen_timer_alloc(sc->sc_ah, - ath_btcoex_no_stomp_timer, - ath_btcoex_no_stomp_timer, - (void *) sc, AR_FIRST_NDP_TIMER); - - if (!btcoex->no_stomp_timer) - return -ENOMEM; - return 0; } @@ -343,10 +297,7 @@ void ath9k_btcoex_timer_resume(struct ath_softc *sc) ath_dbg(ath9k_hw_common(ah), BTCOEX, "Starting btcoex timers\n"); /* make sure duty cycle timer is also stopped when resuming */ - if (btcoex->hw_timer_enabled) { - ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer); - btcoex->hw_timer_enabled = false; - } + del_timer_sync(&btcoex->no_stomp_timer); btcoex->bt_priority_cnt = 0; btcoex->bt_priority_time = jiffies; @@ -363,24 +314,16 @@ void ath9k_btcoex_timer_resume(struct ath_softc *sc) void ath9k_btcoex_timer_pause(struct ath_softc *sc) { struct ath_btcoex *btcoex = &sc->btcoex; - struct ath_hw *ah = sc->sc_ah; del_timer_sync(&btcoex->period_timer); - - if (btcoex->hw_timer_enabled) { - ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer); - btcoex->hw_timer_enabled = false; - } + del_timer_sync(&btcoex->no_stomp_timer); } void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc) { struct ath_btcoex *btcoex = &sc->btcoex; - if (btcoex->hw_timer_enabled) { - ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer); - btcoex->hw_timer_enabled = false; - } + del_timer_sync(&btcoex->no_stomp_timer); } u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen) @@ -400,12 +343,6 @@ u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen) void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status) { - struct ath_hw *ah = sc->sc_ah; - - if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) - if (status & ATH9K_INT_GENTIMER) - ath_gen_timer_isr(sc->sc_ah); - if (status & ATH9K_INT_MCI) ath_mci_intr(sc); } @@ -447,10 +384,6 @@ void ath9k_deinit_btcoex(struct ath_softc *sc) { struct ath_hw *ah = sc->sc_ah; - if ((sc->btcoex.no_stomp_timer) && - ath9k_hw_get_btcoex_scheme(sc->sc_ah) == ATH_BTCOEX_CFG_3WIRE) - ath_gen_timer_free(sc->sc_ah, sc->btcoex.no_stomp_timer); - if (ath9k_hw_mci_is_enabled(ah)) ath_mci_cleanup(sc); } diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index 055d7c25e090..58da3468d1f0 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -600,10 +600,15 @@ void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw); struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv); #ifdef CONFIG_MAC80211_LEDS +void ath9k_configure_leds(struct ath9k_htc_priv *priv); void ath9k_init_leds(struct ath9k_htc_priv *priv); void ath9k_deinit_leds(struct ath9k_htc_priv *priv); void ath9k_led_work(struct work_struct *work); #else +static inline void ath9k_configure_leds(struct ath9k_htc_priv *priv) +{ +} + static inline void ath9k_init_leds(struct ath9k_htc_priv *priv) { } diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c index e0c03bd64182..8b5757734596 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c @@ -70,11 +70,11 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, struct ath9k_beacon_state bs; enum ath9k_int imask = 0; int dtimperiod, dtimcount, sleepduration; - int cfpperiod, cfpcount, bmiss_timeout; + int bmiss_timeout; u32 nexttbtt = 0, intval, tsftu; __be32 htc_imask = 0; u64 tsf; - int num_beacons, offset, dtim_dec_count, cfp_dec_count; + int num_beacons, offset, dtim_dec_count; int ret __attribute__ ((unused)); u8 cmd_rsp; @@ -84,7 +84,7 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, bmiss_timeout = (ATH_DEFAULT_BMISS_LIMIT * bss_conf->beacon_interval); /* - * Setup dtim and cfp parameters according to + * Setup dtim parameters according to * last beacon we received (which may be none). */ dtimperiod = bss_conf->dtim_period; @@ -93,8 +93,6 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, dtimcount = 1; if (dtimcount >= dtimperiod) /* NB: sanity check */ dtimcount = 0; - cfpperiod = 1; /* NB: no PCF support yet */ - cfpcount = 0; sleepduration = intval; if (sleepduration <= 0) @@ -102,7 +100,7 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, /* * Pull nexttbtt forward to reflect the current - * TSF and calculate dtim+cfp state for the result. + * TSF and calculate dtim state for the result. */ tsf = ath9k_hw_gettsf64(priv->ah); tsftu = TSF_TO_TU(tsf>>32, tsf) + FUDGE; @@ -115,26 +113,14 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, /* DTIM Beacon every dtimperiod Beacon */ dtim_dec_count = num_beacons % dtimperiod; - /* CFP every cfpperiod DTIM Beacon */ - cfp_dec_count = (num_beacons / dtimperiod) % cfpperiod; - if (dtim_dec_count) - cfp_dec_count++; - dtimcount -= dtim_dec_count; if (dtimcount < 0) dtimcount += dtimperiod; - cfpcount -= cfp_dec_count; - if (cfpcount < 0) - cfpcount += cfpperiod; - - bs.bs_intval = intval; - bs.bs_nexttbtt = nexttbtt; - bs.bs_dtimperiod = dtimperiod*intval; - bs.bs_nextdtim = bs.bs_nexttbtt + dtimcount*intval; - bs.bs_cfpperiod = cfpperiod*bs.bs_dtimperiod; - bs.bs_cfpnext = bs.bs_nextdtim + cfpcount*bs.bs_dtimperiod; - bs.bs_cfpmaxduration = 0; + bs.bs_intval = TU_TO_USEC(intval); + bs.bs_nexttbtt = TU_TO_USEC(nexttbtt); + bs.bs_dtimperiod = dtimperiod * bs.bs_intval; + bs.bs_nextdtim = bs.bs_nexttbtt + dtimcount * bs.bs_intval; /* * Calculate the number of consecutive beacons to miss* before taking @@ -161,7 +147,8 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, * XXX fixed at 100ms */ - bs.bs_sleepduration = roundup(IEEE80211_MS_TO_TU(100), sleepduration); + bs.bs_sleepduration = TU_TO_USEC(roundup(IEEE80211_MS_TO_TU(100), + sleepduration)); if (bs.bs_sleepduration > bs.bs_dtimperiod) bs.bs_sleepduration = bs.bs_dtimperiod; @@ -170,10 +157,8 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, ath_dbg(common, CONFIG, "intval: %u tsf: %llu tsftu: %u\n", intval, tsf, tsftu); - ath_dbg(common, CONFIG, - "bmiss: %u sleep: %u cfp-period: %u maxdur: %u next: %u\n", - bs.bs_bmissthreshold, bs.bs_sleepduration, - bs.bs_cfpperiod, bs.bs_cfpmaxduration, bs.bs_cfpnext); + ath_dbg(common, CONFIG, "bmiss: %u sleep: %u\n", + bs.bs_bmissthreshold, bs.bs_sleepduration); /* Set the computed STA beacon timers */ diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c index 105582d6b714..50f74a2a4cf8 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c @@ -255,6 +255,17 @@ void ath9k_deinit_leds(struct ath9k_htc_priv *priv) cancel_work_sync(&priv->led_work); } + +void ath9k_configure_leds(struct ath9k_htc_priv *priv) +{ + /* Configure gpio 1 for output */ + ath9k_hw_cfg_output(priv->ah, priv->ah->led_pin, + AR_GPIO_OUTPUT_MUX_AS_OUTPUT); + /* LED off, active low */ + ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 1); + +} + void ath9k_init_leds(struct ath9k_htc_priv *priv) { int ret; @@ -268,11 +279,7 @@ void ath9k_init_leds(struct ath9k_htc_priv *priv) else priv->ah->led_pin = ATH_LED_PIN_DEF; - /* Configure gpio 1 for output */ - ath9k_hw_cfg_output(priv->ah, priv->ah->led_pin, - AR_GPIO_OUTPUT_MUX_AS_OUTPUT); - /* LED off, active low */ - ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 1); + ath9k_configure_leds(priv); snprintf(priv->led_name, sizeof(priv->led_name), "ath9k_htc-%s", wiphy_name(priv->hw->wiphy)); diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index c3676bf1d6c4..b576c44bb314 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -1000,6 +1000,8 @@ int ath9k_htc_resume(struct htc_target *htc_handle) ret = ath9k_init_htc_services(priv, priv->ah->hw_version.devid, priv->ah->hw_version.usbdev); + ath9k_configure_leds(priv); + return ret; } #endif diff --git a/drivers/net/wireless/ath/ath9k/hw-ops.h b/drivers/net/wireless/ath/ath9k/hw-ops.h index 4f9378ddf07f..cc58a8ee1223 100644 --- a/drivers/net/wireless/ath/ath9k/hw-ops.h +++ b/drivers/net/wireless/ath/ath9k/hw-ops.h @@ -49,9 +49,10 @@ static inline bool ath9k_hw_calibrate(struct ath_hw *ah, return ath9k_hw_ops(ah)->calibrate(ah, chan, rxchainmask, longcal); } -static inline bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked) +static inline bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked, + u32 *sync_cause_p) { - return ath9k_hw_ops(ah)->get_isr(ah, masked); + return ath9k_hw_ops(ah)->get_isr(ah, masked, sync_cause_p); } static inline void ath9k_hw_set_txdesc(struct ath_hw *ah, void *ds, diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 4ee24b1eec38..a4b1ae026216 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -18,6 +18,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/time.h> +#include <linux/bitops.h> #include <asm/unaligned.h> #include "hw.h" @@ -84,48 +85,6 @@ static void ath9k_hw_ani_cache_ini_regs(struct ath_hw *ah) #ifdef CONFIG_ATH9K_DEBUGFS -void ath9k_debug_sync_cause(struct ath_common *common, u32 sync_cause) -{ - struct ath_softc *sc = common->priv; - if (sync_cause) - sc->debug.stats.istats.sync_cause_all++; - if (sync_cause & AR_INTR_SYNC_RTC_IRQ) - sc->debug.stats.istats.sync_rtc_irq++; - if (sync_cause & AR_INTR_SYNC_MAC_IRQ) - sc->debug.stats.istats.sync_mac_irq++; - if (sync_cause & AR_INTR_SYNC_EEPROM_ILLEGAL_ACCESS) - sc->debug.stats.istats.eeprom_illegal_access++; - if (sync_cause & AR_INTR_SYNC_APB_TIMEOUT) - sc->debug.stats.istats.apb_timeout++; - if (sync_cause & AR_INTR_SYNC_PCI_MODE_CONFLICT) - sc->debug.stats.istats.pci_mode_conflict++; - if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) - sc->debug.stats.istats.host1_fatal++; - if (sync_cause & AR_INTR_SYNC_HOST1_PERR) - sc->debug.stats.istats.host1_perr++; - if (sync_cause & AR_INTR_SYNC_TRCV_FIFO_PERR) - sc->debug.stats.istats.trcv_fifo_perr++; - if (sync_cause & AR_INTR_SYNC_RADM_CPL_EP) - sc->debug.stats.istats.radm_cpl_ep++; - if (sync_cause & AR_INTR_SYNC_RADM_CPL_DLLP_ABORT) - sc->debug.stats.istats.radm_cpl_dllp_abort++; - if (sync_cause & AR_INTR_SYNC_RADM_CPL_TLP_ABORT) - sc->debug.stats.istats.radm_cpl_tlp_abort++; - if (sync_cause & AR_INTR_SYNC_RADM_CPL_ECRC_ERR) - sc->debug.stats.istats.radm_cpl_ecrc_err++; - if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) - sc->debug.stats.istats.radm_cpl_timeout++; - if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) - sc->debug.stats.istats.local_timeout++; - if (sync_cause & AR_INTR_SYNC_PM_ACCESS) - sc->debug.stats.istats.pm_access++; - if (sync_cause & AR_INTR_SYNC_MAC_AWAKE) - sc->debug.stats.istats.mac_awake++; - if (sync_cause & AR_INTR_SYNC_MAC_ASLEEP) - sc->debug.stats.istats.mac_asleep++; - if (sync_cause & AR_INTR_SYNC_MAC_SLEEP_ACCESS) - sc->debug.stats.istats.mac_sleep_access++; -} #endif @@ -438,21 +397,12 @@ static bool ath9k_hw_chip_test(struct ath_hw *ah) static void ath9k_hw_init_config(struct ath_hw *ah) { - int i; - ah->config.dma_beacon_response_time = 1; ah->config.sw_beacon_response_time = 6; - ah->config.additional_swba_backoff = 0; ah->config.ack_6mb = 0x0; ah->config.cwm_ignore_extcca = 0; - ah->config.pcie_clock_req = 0; ah->config.analog_shiftreg = 1; - for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) { - ah->config.spurchans[i][0] = AR_NO_SPUR; - ah->config.spurchans[i][1] = AR_NO_SPUR; - } - ah->config.rx_intr_mitigation = true; /* @@ -485,7 +435,6 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah) ah->hw_version.magic = AR5416_MAGIC; ah->hw_version.subvendorid = 0; - ah->atim_window = 0; ah->sta_id1_defaults = AR_STA_ID1_CRPT_MIC_ENABLE | AR_STA_ID1_MCAST_KSRCH; @@ -1281,6 +1230,42 @@ void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled, *coef_exponent = coef_exp - 16; } +/* AR9330 WAR: + * call external reset function to reset WMAC if: + * - doing a cold reset + * - we have pending frames in the TX queues. + */ +static bool ath9k_hw_ar9330_reset_war(struct ath_hw *ah, int type) +{ + int i, npend = 0; + + for (i = 0; i < AR_NUM_QCU; i++) { + npend = ath9k_hw_numtxpending(ah, i); + if (npend) + break; + } + + if (ah->external_reset && + (npend || type == ATH9K_RESET_COLD)) { + int reset_err = 0; + + ath_dbg(ath9k_hw_common(ah), RESET, + "reset MAC via external reset\n"); + + reset_err = ah->external_reset(); + if (reset_err) { + ath_err(ath9k_hw_common(ah), + "External reset failed, err=%d\n", + reset_err); + return false; + } + + REG_WRITE(ah, AR_RTC_RESET, 1); + } + + return true; +} + static bool ath9k_hw_set_reset(struct ath_hw *ah, int type) { u32 rst_flags; @@ -1331,38 +1316,8 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type) } if (AR_SREV_9330(ah)) { - int npend = 0; - int i; - - /* AR9330 WAR: - * call external reset function to reset WMAC if: - * - doing a cold reset - * - we have pending frames in the TX queues - */ - - for (i = 0; i < AR_NUM_QCU; i++) { - npend = ath9k_hw_numtxpending(ah, i); - if (npend) - break; - } - - if (ah->external_reset && - (npend || type == ATH9K_RESET_COLD)) { - int reset_err = 0; - - ath_dbg(ath9k_hw_common(ah), RESET, - "reset MAC via external reset\n"); - - reset_err = ah->external_reset(); - if (reset_err) { - ath_err(ath9k_hw_common(ah), - "External reset failed, err=%d\n", - reset_err); - return false; - } - - REG_WRITE(ah, AR_RTC_RESET, 1); - } + if (!ath9k_hw_ar9330_reset_war(ah, type)) + return false; } if (ath9k_hw_mci_is_enabled(ah)) @@ -1372,7 +1327,12 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type) REGWRITE_BUFFER_FLUSH(ah); - udelay(50); + if (AR_SREV_9300_20_OR_LATER(ah)) + udelay(50); + else if (AR_SREV_9100(ah)) + udelay(10000); + else + udelay(100); REG_WRITE(ah, AR_RTC_RC, 0); if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) { @@ -1408,8 +1368,7 @@ static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah) REGWRITE_BUFFER_FLUSH(ah); - if (!AR_SREV_9300_20_OR_LATER(ah)) - udelay(2); + udelay(2); if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah)) REG_WRITE(ah, AR_RC, 0); @@ -1485,7 +1444,6 @@ static bool ath9k_hw_chip_reset(struct ath_hw *ah, if (AR_SREV_9330(ah)) ar9003_hw_internal_regulator_apply(ah); ath9k_hw_init_pll(ah, chan); - ath9k_hw_set_rfmode(ah, chan); return true; } @@ -1954,6 +1912,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, if (r) return r; + ath9k_hw_set_rfmode(ah, chan); + if (ath9k_hw_mci_is_enabled(ah)) ar9003_mci_reset(ah, false, IS_CHAN_2GHZ(chan), save_fullsleep); @@ -2264,9 +2224,6 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period) case NL80211_IFTYPE_ADHOC: REG_SET_BIT(ah, AR_TXCFG, AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY); - REG_WRITE(ah, AR_NEXT_NDP_TIMER, next_beacon + - TU_TO_USEC(ah->atim_window ? ah->atim_window : 1)); - flags |= AR_NDP_TIMER_EN; case NL80211_IFTYPE_MESH_POINT: case NL80211_IFTYPE_AP: REG_WRITE(ah, AR_NEXT_TBTT_TIMER, next_beacon); @@ -2287,7 +2244,6 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period) REG_WRITE(ah, AR_BEACON_PERIOD, beacon_period); REG_WRITE(ah, AR_DMA_BEACON_PERIOD, beacon_period); REG_WRITE(ah, AR_SWBA_PERIOD, beacon_period); - REG_WRITE(ah, AR_NDP_PERIOD, beacon_period); REGWRITE_BUFFER_FLUSH(ah); @@ -2304,12 +2260,9 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah, ENABLE_REGWRITE_BUFFER(ah); - REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(bs->bs_nexttbtt)); - - REG_WRITE(ah, AR_BEACON_PERIOD, - TU_TO_USEC(bs->bs_intval)); - REG_WRITE(ah, AR_DMA_BEACON_PERIOD, - TU_TO_USEC(bs->bs_intval)); + REG_WRITE(ah, AR_NEXT_TBTT_TIMER, bs->bs_nexttbtt); + REG_WRITE(ah, AR_BEACON_PERIOD, bs->bs_intval); + REG_WRITE(ah, AR_DMA_BEACON_PERIOD, bs->bs_intval); REGWRITE_BUFFER_FLUSH(ah); @@ -2337,9 +2290,8 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah, ENABLE_REGWRITE_BUFFER(ah); - REG_WRITE(ah, AR_NEXT_DTIM, - TU_TO_USEC(bs->bs_nextdtim - SLEEP_SLOP)); - REG_WRITE(ah, AR_NEXT_TIM, TU_TO_USEC(nextTbtt - SLEEP_SLOP)); + REG_WRITE(ah, AR_NEXT_DTIM, bs->bs_nextdtim - SLEEP_SLOP); + REG_WRITE(ah, AR_NEXT_TIM, nextTbtt - SLEEP_SLOP); REG_WRITE(ah, AR_SLEEP1, SM((CAB_TIMEOUT_VAL << 3), AR_SLEEP1_CAB_TIMEOUT) @@ -2353,8 +2305,8 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah, REG_WRITE(ah, AR_SLEEP2, SM(beacontimeout, AR_SLEEP2_BEACON_TIMEOUT)); - REG_WRITE(ah, AR_TIM_PERIOD, TU_TO_USEC(beaconintval)); - REG_WRITE(ah, AR_DTIM_PERIOD, TU_TO_USEC(dtimperiod)); + REG_WRITE(ah, AR_TIM_PERIOD, beaconintval); + REG_WRITE(ah, AR_DTIM_PERIOD, dtimperiod); REGWRITE_BUFFER_FLUSH(ah); @@ -2990,20 +2942,6 @@ static const struct ath_gen_timer_configuration gen_tmr_configuration[] = /* HW generic timer primitives */ -/* compute and clear index of rightmost 1 */ -static u32 rightmost_index(struct ath_gen_timer_table *timer_table, u32 *mask) -{ - u32 b; - - b = *mask; - b &= (0-b); - *mask &= ~b; - b *= debruijn32; - b >>= 27; - - return timer_table->gen_timer_index[b]; -} - u32 ath9k_hw_gettsf32(struct ath_hw *ah) { return REG_READ(ah, AR_TSF_L32); @@ -3019,6 +2957,10 @@ struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah, struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; struct ath_gen_timer *timer; + if ((timer_index < AR_FIRST_NDP_TIMER) || + (timer_index >= ATH_MAX_GEN_TIMER)) + return NULL; + timer = kzalloc(sizeof(struct ath_gen_timer), GFP_KERNEL); if (timer == NULL) return NULL; @@ -3036,23 +2978,13 @@ EXPORT_SYMBOL(ath_gen_timer_alloc); void ath9k_hw_gen_timer_start(struct ath_hw *ah, struct ath_gen_timer *timer, - u32 trig_timeout, + u32 timer_next, u32 timer_period) { struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; - u32 tsf, timer_next; - - BUG_ON(!timer_period); - - set_bit(timer->index, &timer_table->timer_mask.timer_bits); - - tsf = ath9k_hw_gettsf32(ah); + u32 mask = 0; - timer_next = tsf + trig_timeout; - - ath_dbg(ath9k_hw_common(ah), BTCOEX, - "current tsf %x period %x timer_next %x\n", - tsf, timer_period, timer_next); + timer_table->timer_mask |= BIT(timer->index); /* * Program generic timer registers @@ -3078,10 +3010,19 @@ void ath9k_hw_gen_timer_start(struct ath_hw *ah, (1 << timer->index)); } - /* Enable both trigger and thresh interrupt masks */ - REG_SET_BIT(ah, AR_IMR_S5, - (SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_THRESH) | - SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_TRIG))); + if (timer->trigger) + mask |= SM(AR_GENTMR_BIT(timer->index), + AR_IMR_S5_GENTIMER_TRIG); + if (timer->overflow) + mask |= SM(AR_GENTMR_BIT(timer->index), + AR_IMR_S5_GENTIMER_THRESH); + + REG_SET_BIT(ah, AR_IMR_S5, mask); + + if ((ah->imask & ATH9K_INT_GENTIMER) == 0) { + ah->imask |= ATH9K_INT_GENTIMER; + ath9k_hw_set_interrupts(ah); + } } EXPORT_SYMBOL(ath9k_hw_gen_timer_start); @@ -3089,11 +3030,6 @@ void ath9k_hw_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer) { struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; - if ((timer->index < AR_FIRST_NDP_TIMER) || - (timer->index >= ATH_MAX_GEN_TIMER)) { - return; - } - /* Clear generic timer enable bits. */ REG_CLR_BIT(ah, gen_tmr_configuration[timer->index].mode_addr, gen_tmr_configuration[timer->index].mode_mask); @@ -3113,7 +3049,12 @@ void ath9k_hw_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer) (SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_THRESH) | SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_TRIG))); - clear_bit(timer->index, &timer_table->timer_mask.timer_bits); + timer_table->timer_mask &= ~BIT(timer->index); + + if (timer_table->timer_mask == 0) { + ah->imask &= ~ATH9K_INT_GENTIMER; + ath9k_hw_set_interrupts(ah); + } } EXPORT_SYMBOL(ath9k_hw_gen_timer_stop); @@ -3134,32 +3075,32 @@ void ath_gen_timer_isr(struct ath_hw *ah) { struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; struct ath_gen_timer *timer; - struct ath_common *common = ath9k_hw_common(ah); - u32 trigger_mask, thresh_mask, index; + unsigned long trigger_mask, thresh_mask; + unsigned int index; /* get hardware generic timer interrupt status */ trigger_mask = ah->intr_gen_timer_trigger; thresh_mask = ah->intr_gen_timer_thresh; - trigger_mask &= timer_table->timer_mask.val; - thresh_mask &= timer_table->timer_mask.val; + trigger_mask &= timer_table->timer_mask; + thresh_mask &= timer_table->timer_mask; trigger_mask &= ~thresh_mask; - while (thresh_mask) { - index = rightmost_index(timer_table, &thresh_mask); + for_each_set_bit(index, &thresh_mask, ARRAY_SIZE(timer_table->timers)) { timer = timer_table->timers[index]; - BUG_ON(!timer); - ath_dbg(common, BTCOEX, "TSF overflow for Gen timer %d\n", - index); + if (!timer) + continue; + if (!timer->overflow) + continue; timer->overflow(timer->arg); } - while (trigger_mask) { - index = rightmost_index(timer_table, &trigger_mask); + for_each_set_bit(index, &trigger_mask, ARRAY_SIZE(timer_table->timers)) { timer = timer_table->timers[index]; - BUG_ON(!timer); - ath_dbg(common, BTCOEX, - "Gen timer[%d] trigger\n", index); + if (!timer) + continue; + if (!timer->trigger) + continue; timer->trigger(timer->arg); } } diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index b1ff54631dca..6132ffeb3048 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -168,7 +168,7 @@ #define CAB_TIMEOUT_VAL 10 #define BEACON_TIMEOUT_VAL 10 #define MIN_BEACON_TIMEOUT_VAL 1 -#define SLEEP_SLOP 3 +#define SLEEP_SLOP TU_TO_USEC(3) #define INIT_CONFIG_STATUS 0x00000000 #define INIT_RSSI_THR 0x00000700 @@ -280,10 +280,8 @@ struct ath9k_hw_capabilities { struct ath9k_ops_config { int dma_beacon_response_time; int sw_beacon_response_time; - int additional_swba_backoff; int ack_6mb; u32 cwm_ignore_extcca; - u8 pcie_clock_req; u32 pcie_waen; u8 analog_shiftreg; u32 ofdm_trig_low; @@ -294,18 +292,11 @@ struct ath9k_ops_config { int serialize_regmode; bool rx_intr_mitigation; bool tx_intr_mitigation; -#define SPUR_DISABLE 0 -#define SPUR_ENABLE_IOCTL 1 -#define SPUR_ENABLE_EEPROM 2 -#define AR_SPUR_5413_1 1640 -#define AR_SPUR_5413_2 1200 #define AR_NO_SPUR 0x8000 #define AR_BASE_FREQ_2GHZ 2300 #define AR_BASE_FREQ_5GHZ 4900 #define AR_SPUR_FEEQ_BOUND_HT40 19 #define AR_SPUR_FEEQ_BOUND_HT20 10 - int spurmode; - u16 spurchans[AR_EEPROM_MODAL_SPURS][2]; u8 max_txtrig_level; u16 ani_poll_interval; /* ANI poll interval in ms */ @@ -460,10 +451,6 @@ struct ath9k_beacon_state { u32 bs_intval; #define ATH9K_TSFOOR_THRESHOLD 0x00004240 /* 16k us */ u32 bs_dtimperiod; - u16 bs_cfpperiod; - u16 bs_cfpmaxduration; - u32 bs_cfpnext; - u16 bs_timoffset; u16 bs_bmissthreshold; u32 bs_sleepduration; u32 bs_tsfoor_threshold; @@ -499,12 +486,6 @@ struct ath9k_hw_version { #define AR_GENTMR_BIT(_index) (1 << (_index)) -/* - * Using de Bruijin sequence to look up 1's index in a 32 bit number - * debruijn32 = 0000 0111 0111 1100 1011 0101 0011 0001 - */ -#define debruijn32 0x077CB531U - struct ath_gen_timer_configuration { u32 next_addr; u32 period_addr; @@ -520,12 +501,8 @@ struct ath_gen_timer { }; struct ath_gen_timer_table { - u32 gen_timer_index[32]; struct ath_gen_timer *timers[ATH_MAX_GEN_TIMER]; - union { - unsigned long timer_bits; - u16 val; - } timer_mask; + u16 timer_mask; }; struct ath_hw_antcomb_conf { @@ -690,7 +667,8 @@ struct ath_hw_ops { struct ath9k_channel *chan, u8 rxchainmask, bool longcal); - bool (*get_isr)(struct ath_hw *ah, enum ath9k_int *masked); + bool (*get_isr)(struct ath_hw *ah, enum ath9k_int *masked, + u32 *sync_cause_p); void (*set_txdesc)(struct ath_hw *ah, void *ds, struct ath_tx_info *i); int (*proc_txdesc)(struct ath_hw *ah, void *ds, @@ -786,7 +764,6 @@ struct ath_hw { u32 txurn_interrupt_mask; atomic_t intr_ref_cnt; bool chip_fullsleep; - u32 atim_window; u32 modes_index; /* Calibration */ @@ -1018,13 +995,6 @@ bool ath9k_hw_check_alive(struct ath_hw *ah); bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode); -#ifdef CONFIG_ATH9K_DEBUGFS -void ath9k_debug_sync_cause(struct ath_common *common, u32 sync_cause); -#else -static inline void ath9k_debug_sync_cause(struct ath_common *common, - u32 sync_cause) {} -#endif - /* Generic hw timer primitives */ struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah, void (*trigger)(void *), diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 609b7e13f3f0..e63465b7eab9 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -470,7 +470,6 @@ static int ath9k_init_queues(struct ath_softc *sc) sc->beacon.beaconq = ath9k_hw_beaconq_setup(sc->sc_ah); sc->beacon.cabq = ath_txq_setup(sc, ATH9K_TX_QUEUE_CAB, 0); - ath_cabq_update(sc); sc->tx.uapsdq = ath_txq_setup(sc, ATH9K_TX_QUEUE_UAPSD, 0); @@ -705,7 +704,6 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, ah->reg_ops.read = ath9k_ioread32; ah->reg_ops.write = ath9k_iowrite32; ah->reg_ops.rmw = ath9k_reg_rmw; - atomic_set(&ah->intr_ref_cnt, -1); sc->sc_ah = ah; pCap = &ah->caps; @@ -899,7 +897,7 @@ static const struct ieee80211_iface_combination if_comb[] = { } }; -void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) +static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) { struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c index 6a18f9d3e9cc..89d7e206992b 100644 --- a/drivers/net/wireless/ath/ath9k/mac.c +++ b/drivers/net/wireless/ath/ath9k/mac.c @@ -481,8 +481,7 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q) | AR_Q_MISC_CBR_INCR_DIS0); value = (qi->tqi_readyTime - (ah->config.sw_beacon_response_time - - ah->config.dma_beacon_response_time) - - ah->config.additional_swba_backoff) * 1024; + ah->config.dma_beacon_response_time)) * 1024; REG_WRITE(ah, AR_QRDYTIMECFG(q), value | AR_Q_RDYTIMECFG_EN); REG_SET_BIT(ah, AR_DMISC(q), @@ -550,25 +549,25 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds, if (ads.ds_rxstatus8 & AR_PostDelimCRCErr) { rs->rs_rssi = ATH9K_RSSI_BAD; - rs->rs_rssi_ctl0 = ATH9K_RSSI_BAD; - rs->rs_rssi_ctl1 = ATH9K_RSSI_BAD; - rs->rs_rssi_ctl2 = ATH9K_RSSI_BAD; - rs->rs_rssi_ext0 = ATH9K_RSSI_BAD; - rs->rs_rssi_ext1 = ATH9K_RSSI_BAD; - rs->rs_rssi_ext2 = ATH9K_RSSI_BAD; + rs->rs_rssi_ctl[0] = ATH9K_RSSI_BAD; + rs->rs_rssi_ctl[1] = ATH9K_RSSI_BAD; + rs->rs_rssi_ctl[2] = ATH9K_RSSI_BAD; + rs->rs_rssi_ext[0] = ATH9K_RSSI_BAD; + rs->rs_rssi_ext[1] = ATH9K_RSSI_BAD; + rs->rs_rssi_ext[2] = ATH9K_RSSI_BAD; } else { rs->rs_rssi = MS(ads.ds_rxstatus4, AR_RxRSSICombined); - rs->rs_rssi_ctl0 = MS(ads.ds_rxstatus0, + rs->rs_rssi_ctl[0] = MS(ads.ds_rxstatus0, AR_RxRSSIAnt00); - rs->rs_rssi_ctl1 = MS(ads.ds_rxstatus0, + rs->rs_rssi_ctl[1] = MS(ads.ds_rxstatus0, AR_RxRSSIAnt01); - rs->rs_rssi_ctl2 = MS(ads.ds_rxstatus0, + rs->rs_rssi_ctl[2] = MS(ads.ds_rxstatus0, AR_RxRSSIAnt02); - rs->rs_rssi_ext0 = MS(ads.ds_rxstatus4, + rs->rs_rssi_ext[0] = MS(ads.ds_rxstatus4, AR_RxRSSIAnt10); - rs->rs_rssi_ext1 = MS(ads.ds_rxstatus4, + rs->rs_rssi_ext[1] = MS(ads.ds_rxstatus4, AR_RxRSSIAnt11); - rs->rs_rssi_ext2 = MS(ads.ds_rxstatus4, + rs->rs_rssi_ext[2] = MS(ads.ds_rxstatus4, AR_RxRSSIAnt12); } if (ads.ds_rxstatus8 & AR_RxKeyIdxValid) diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h index e3eed81f2439..10271373a0cd 100644 --- a/drivers/net/wireless/ath/ath9k/mac.h +++ b/drivers/net/wireless/ath/ath9k/mac.h @@ -133,12 +133,8 @@ struct ath_rx_status { u8 rs_rate; u8 rs_antenna; u8 rs_more; - int8_t rs_rssi_ctl0; - int8_t rs_rssi_ctl1; - int8_t rs_rssi_ctl2; - int8_t rs_rssi_ext0; - int8_t rs_rssi_ext1; - int8_t rs_rssi_ext2; + int8_t rs_rssi_ctl[3]; + int8_t rs_rssi_ext[3]; u8 rs_isaggr; u8 rs_firstaggr; u8 rs_moreaggr; diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index b1dcf89138d3..173a889f9dbb 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -508,6 +508,9 @@ void ath9k_tasklet(unsigned long data) wake_up(&sc->tx_wait); } + if (status & ATH9K_INT_GENTIMER) + ath_gen_timer_isr(sc->sc_ah); + ath9k_btcoex_handle_interrupt(sc, status); /* re-enable hardware interrupt */ @@ -538,6 +541,7 @@ irqreturn_t ath_isr(int irq, void *dev) struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); enum ath9k_int status; + u32 sync_cause; bool sched = false; /* @@ -564,7 +568,8 @@ irqreturn_t ath_isr(int irq, void *dev) * bits we haven't explicitly enabled so we mask the * value to insure we only process bits we requested. */ - ath9k_hw_getisr(ah, &status); /* NB: clears ISR too */ + ath9k_hw_getisr(ah, &status, &sync_cause); /* NB: clears ISR too */ + ath9k_debug_sync_cause(sc, sync_cause); status &= ah->imask; /* discard unasked-for bits */ /* @@ -757,6 +762,8 @@ static int ath9k_start(struct ieee80211_hw *hw) */ ath9k_cmn_init_crypto(sc->sc_ah); + ath9k_hw_reset_tsf(ah); + spin_unlock_bh(&sc->sc_pcu_lock); mutex_unlock(&sc->mutex); @@ -1657,13 +1664,8 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw, } if ((changed & BSS_CHANGED_BEACON_ENABLED) || - (changed & BSS_CHANGED_BEACON_INT)) { - if (ah->opmode == NL80211_IFTYPE_AP && - bss_conf->enable_beacon) - ath9k_set_tsfadjust(sc, vif); - if (ath9k_allow_beacon_config(sc, vif)) - ath9k_beacon_config(sc, vif, changed); - } + (changed & BSS_CHANGED_BEACON_INT)) + ath9k_beacon_config(sc, vif, changed); if (changed & BSS_CHANGED_ERP_SLOT) { if (bss_conf->use_short_slot) diff --git a/drivers/net/wireless/ath/ath9k/mci.c b/drivers/net/wireless/ath/ath9k/mci.c index 0ac1b5f04256..71799fcade54 100644 --- a/drivers/net/wireless/ath/ath9k/mci.c +++ b/drivers/net/wireless/ath/ath9k/mci.c @@ -200,7 +200,7 @@ skip_tuning: if (btcoex->duty_cycle > ATH_MCI_MAX_DUTY_CYCLE) btcoex->duty_cycle = ATH_MCI_MAX_DUTY_CYCLE; - btcoex->btcoex_no_stomp = btcoex->btcoex_period * 1000 * + btcoex->btcoex_no_stomp = btcoex->btcoex_period * (100 - btcoex->duty_cycle) / 100; ath9k_hw_btcoex_enable(sc->sc_ah); diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 95ddca5495d4..3692b2a501a2 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -15,7 +15,6 @@ */ #include <linux/dma-mapping.h> -#include <linux/relay.h> #include "ath9k.h" #include "ar9003_mac.h" @@ -906,6 +905,7 @@ static void ath9k_process_rssi(struct ath_common *common, struct ath_hw *ah = common->ah; int last_rssi; int rssi = rx_stats->rs_rssi; + int i, j; /* * RSSI is not available for subframes in an A-MPDU. @@ -924,6 +924,20 @@ static void ath9k_process_rssi(struct ath_common *common, return; } + for (i = 0, j = 0; i < ARRAY_SIZE(rx_stats->rs_rssi_ctl); i++) { + s8 rssi; + + if (!(ah->rxchainmask & BIT(i))) + continue; + + rssi = rx_stats->rs_rssi_ctl[i]; + if (rssi != ATH9K_RSSI_BAD) { + rxs->chains |= BIT(j); + rxs->chain_signal[j] = ah->noise + rssi; + } + j++; + } + /* * Update Beacon RSSI, this is used by ANI. */ @@ -960,186 +974,6 @@ static void ath9k_process_tsf(struct ath_rx_status *rs, rxs->mactime += 0x100000000ULL; } -#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 - -/* 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_ATH9K_DEBUGFS - struct ath_hw *ah = sc->sc_ah; - u8 num_bins, *bins, *vdata = (u8 *)hdr; - struct fft_sample_ht20 fft_sample_20; - struct fft_sample_ht20_40 fft_sample_40; - struct fft_sample_tlv *tlv; - struct ath_radar_info *radar_info; - int len = rs->rs_datalen; - int dc_pos; - u16 fft_len, length, freq = ah->curchan->chan->center_freq; - enum nl80211_channel_type chan_type; - - /* AR9280 and before report via ATH9K_PHYERR_RADAR, AR93xx and newer - * via ATH9K_PHYERR_SPECTRAL. Haven't seen ATH9K_PHYERR_FALSE_RADAR_EXT - * yet, but this is supposed to be possible as well. - */ - if (rs->rs_phyerr != ATH9K_PHYERR_RADAR && - rs->rs_phyerr != ATH9K_PHYERR_FALSE_RADAR_EXT && - rs->rs_phyerr != ATH9K_PHYERR_SPECTRAL) - 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; - - chan_type = cfg80211_get_chandef_type(&sc->hw->conf.chandef); - if ((chan_type == NL80211_CHAN_HT40MINUS) || - (chan_type == NL80211_CHAN_HT40PLUS)) { - fft_len = SPECTRAL_HT20_40_TOTAL_DATA_LEN; - num_bins = SPECTRAL_HT20_40_NUM_BINS; - bins = (u8 *)fft_sample_40.data; - } else { - fft_len = SPECTRAL_HT20_TOTAL_DATA_LEN; - num_bins = SPECTRAL_HT20_NUM_BINS; - bins = (u8 *)fft_sample_20.data; - } - - /* Variation in the data length is possible and will be fixed later */ - if ((len > fft_len + 2) || (len < fft_len - 1)) - return 1; - - switch (len - fft_len) { - case 0: - /* length correct, nothing to do. */ - memcpy(bins, vdata, num_bins); - break; - case -1: - /* first byte missing, duplicate it. */ - memcpy(&bins[1], vdata, num_bins - 1); - bins[0] = vdata[0]; - break; - case 2: - /* MAC added 2 extra bytes at bin 30 and 32, remove them. */ - memcpy(bins, vdata, 30); - bins[30] = vdata[31]; - memcpy(&bins[31], &vdata[33], num_bins - 31); - break; - case 1: - /* MAC added 2 extra bytes AND first byte is missing. */ - bins[0] = vdata[0]; - memcpy(&bins[1], vdata, 30); - bins[31] = vdata[31]; - memcpy(&bins[32], &vdata[33], num_bins - 32); - break; - default: - return 1; - } - - /* DC value (value in the middle) is the blind spot of the spectral - * sample and invalid, interpolate it. - */ - dc_pos = num_bins / 2; - bins[dc_pos] = (bins[dc_pos + 1] + bins[dc_pos - 1]) / 2; - - if ((chan_type == NL80211_CHAN_HT40MINUS) || - (chan_type == NL80211_CHAN_HT40PLUS)) { - s8 lower_rssi, upper_rssi; - s16 ext_nf; - u8 lower_max_index, upper_max_index; - u8 lower_bitmap_w, upper_bitmap_w; - u16 lower_mag, upper_mag; - struct ath9k_hw_cal_data *caldata = ah->caldata; - struct ath_ht20_40_mag_info *mag_info; - - if (caldata) - ext_nf = ath9k_hw_getchan_noise(ah, ah->curchan, - caldata->nfCalHist[3].privNF); - else - ext_nf = ATH_DEFAULT_NOISE_FLOOR; - - length = sizeof(fft_sample_40) - sizeof(struct fft_sample_tlv); - fft_sample_40.tlv.type = ATH_FFT_SAMPLE_HT20_40; - fft_sample_40.tlv.length = __cpu_to_be16(length); - fft_sample_40.freq = __cpu_to_be16(freq); - fft_sample_40.channel_type = chan_type; - - if (chan_type == NL80211_CHAN_HT40PLUS) { - lower_rssi = fix_rssi_inv_only(rs->rs_rssi_ctl0); - upper_rssi = fix_rssi_inv_only(rs->rs_rssi_ext0); - - fft_sample_40.lower_noise = ah->noise; - fft_sample_40.upper_noise = ext_nf; - } else { - lower_rssi = fix_rssi_inv_only(rs->rs_rssi_ext0); - upper_rssi = fix_rssi_inv_only(rs->rs_rssi_ctl0); - - fft_sample_40.lower_noise = ext_nf; - fft_sample_40.upper_noise = ah->noise; - } - fft_sample_40.lower_rssi = lower_rssi; - fft_sample_40.upper_rssi = upper_rssi; - - mag_info = ((struct ath_ht20_40_mag_info *)radar_info) - 1; - lower_mag = spectral_max_magnitude(mag_info->lower_bins); - upper_mag = spectral_max_magnitude(mag_info->upper_bins); - fft_sample_40.lower_max_magnitude = __cpu_to_be16(lower_mag); - fft_sample_40.upper_max_magnitude = __cpu_to_be16(upper_mag); - lower_max_index = spectral_max_index(mag_info->lower_bins); - upper_max_index = spectral_max_index(mag_info->upper_bins); - fft_sample_40.lower_max_index = lower_max_index; - fft_sample_40.upper_max_index = upper_max_index; - lower_bitmap_w = spectral_bitmap_weight(mag_info->lower_bins); - upper_bitmap_w = spectral_bitmap_weight(mag_info->upper_bins); - fft_sample_40.lower_bitmap_weight = lower_bitmap_w; - fft_sample_40.upper_bitmap_weight = upper_bitmap_w; - fft_sample_40.max_exp = mag_info->max_exp & 0xf; - - fft_sample_40.tsf = __cpu_to_be64(tsf); - - tlv = (struct fft_sample_tlv *)&fft_sample_40; - } else { - u8 max_index, bitmap_w; - u16 magnitude; - struct ath_ht20_mag_info *mag_info; - - length = sizeof(fft_sample_20) - sizeof(struct fft_sample_tlv); - fft_sample_20.tlv.type = ATH_FFT_SAMPLE_HT20; - fft_sample_20.tlv.length = __cpu_to_be16(length); - fft_sample_20.freq = __cpu_to_be16(freq); - - fft_sample_20.rssi = fix_rssi_inv_only(rs->rs_rssi_ctl0); - fft_sample_20.noise = ah->noise; - - mag_info = ((struct ath_ht20_mag_info *)radar_info) - 1; - magnitude = spectral_max_magnitude(mag_info->all_bins); - fft_sample_20.max_magnitude = __cpu_to_be16(magnitude); - max_index = spectral_max_index(mag_info->all_bins); - fft_sample_20.max_index = max_index; - bitmap_w = spectral_bitmap_weight(mag_info->all_bins); - fft_sample_20.bitmap_weight = bitmap_w; - fft_sample_20.max_exp = mag_info->max_exp & 0xf; - - fft_sample_20.tsf = __cpu_to_be64(tsf); - - tlv = (struct fft_sample_tlv *)&fft_sample_20; - } - - ath_debug_send_fft_sample(sc, tlv); - return 1; -#else - return 0; -#endif -} - static bool ath9k_is_mybeacon(struct ath_softc *sc, struct ieee80211_hdr *hdr) { struct ath_hw *ah = sc->sc_ah; diff --git a/drivers/net/wireless/ath/ath9k/spectral.c b/drivers/net/wireless/ath/ath9k/spectral.c new file mode 100644 index 000000000000..11adb5eb51cc --- /dev/null +++ b/drivers/net/wireless/ath/ath9k/spectral.c @@ -0,0 +1,543 @@ +/* + * Copyright (c) 2013 Qualcomm Atheros, Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/relay.h> +#include "ath9k.h" + +static s8 fix_rssi_inv_only(u8 rssi_val) +{ + if (rssi_val == 128) + rssi_val = 0; + return (s8) rssi_val; +} + +static 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; + + length = __be16_to_cpu(fft_sample_tlv->length) + + sizeof(*fft_sample_tlv); + relay_write(sc->rfs_chan_spec_scan, fft_sample_tlv, length); +} + +/* returns 1 if this was a spectral frame, even if not handled. */ +int ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr, + struct ath_rx_status *rs, u64 tsf) +{ + struct ath_hw *ah = sc->sc_ah; + u8 num_bins, *bins, *vdata = (u8 *)hdr; + struct fft_sample_ht20 fft_sample_20; + struct fft_sample_ht20_40 fft_sample_40; + struct fft_sample_tlv *tlv; + struct ath_radar_info *radar_info; + int len = rs->rs_datalen; + int dc_pos; + u16 fft_len, length, freq = ah->curchan->chan->center_freq; + enum nl80211_channel_type chan_type; + + /* AR9280 and before report via ATH9K_PHYERR_RADAR, AR93xx and newer + * via ATH9K_PHYERR_SPECTRAL. Haven't seen ATH9K_PHYERR_FALSE_RADAR_EXT + * yet, but this is supposed to be possible as well. + */ + if (rs->rs_phyerr != ATH9K_PHYERR_RADAR && + rs->rs_phyerr != ATH9K_PHYERR_FALSE_RADAR_EXT && + rs->rs_phyerr != ATH9K_PHYERR_SPECTRAL) + 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; + + chan_type = cfg80211_get_chandef_type(&sc->hw->conf.chandef); + if ((chan_type == NL80211_CHAN_HT40MINUS) || + (chan_type == NL80211_CHAN_HT40PLUS)) { + fft_len = SPECTRAL_HT20_40_TOTAL_DATA_LEN; + num_bins = SPECTRAL_HT20_40_NUM_BINS; + bins = (u8 *)fft_sample_40.data; + } else { + fft_len = SPECTRAL_HT20_TOTAL_DATA_LEN; + num_bins = SPECTRAL_HT20_NUM_BINS; + bins = (u8 *)fft_sample_20.data; + } + + /* Variation in the data length is possible and will be fixed later */ + if ((len > fft_len + 2) || (len < fft_len - 1)) + return 1; + + switch (len - fft_len) { + case 0: + /* length correct, nothing to do. */ + memcpy(bins, vdata, num_bins); + break; + case -1: + /* first byte missing, duplicate it. */ + memcpy(&bins[1], vdata, num_bins - 1); + bins[0] = vdata[0]; + break; + case 2: + /* MAC added 2 extra bytes at bin 30 and 32, remove them. */ + memcpy(bins, vdata, 30); + bins[30] = vdata[31]; + memcpy(&bins[31], &vdata[33], num_bins - 31); + break; + case 1: + /* MAC added 2 extra bytes AND first byte is missing. */ + bins[0] = vdata[0]; + memcpy(&bins[1], vdata, 30); + bins[31] = vdata[31]; + memcpy(&bins[32], &vdata[33], num_bins - 32); + break; + default: + return 1; + } + + /* DC value (value in the middle) is the blind spot of the spectral + * sample and invalid, interpolate it. + */ + dc_pos = num_bins / 2; + bins[dc_pos] = (bins[dc_pos + 1] + bins[dc_pos - 1]) / 2; + + if ((chan_type == NL80211_CHAN_HT40MINUS) || + (chan_type == NL80211_CHAN_HT40PLUS)) { + s8 lower_rssi, upper_rssi; + s16 ext_nf; + u8 lower_max_index, upper_max_index; + u8 lower_bitmap_w, upper_bitmap_w; + u16 lower_mag, upper_mag; + struct ath9k_hw_cal_data *caldata = ah->caldata; + struct ath_ht20_40_mag_info *mag_info; + + if (caldata) + ext_nf = ath9k_hw_getchan_noise(ah, ah->curchan, + caldata->nfCalHist[3].privNF); + else + ext_nf = ATH_DEFAULT_NOISE_FLOOR; + + length = sizeof(fft_sample_40) - sizeof(struct fft_sample_tlv); + fft_sample_40.tlv.type = ATH_FFT_SAMPLE_HT20_40; + fft_sample_40.tlv.length = __cpu_to_be16(length); + fft_sample_40.freq = __cpu_to_be16(freq); + fft_sample_40.channel_type = chan_type; + + if (chan_type == NL80211_CHAN_HT40PLUS) { + lower_rssi = fix_rssi_inv_only(rs->rs_rssi_ctl[0]); + upper_rssi = fix_rssi_inv_only(rs->rs_rssi_ext[0]); + + fft_sample_40.lower_noise = ah->noise; + fft_sample_40.upper_noise = ext_nf; + } else { + lower_rssi = fix_rssi_inv_only(rs->rs_rssi_ext[0]); + upper_rssi = fix_rssi_inv_only(rs->rs_rssi_ctl[0]); + + fft_sample_40.lower_noise = ext_nf; + fft_sample_40.upper_noise = ah->noise; + } + fft_sample_40.lower_rssi = lower_rssi; + fft_sample_40.upper_rssi = upper_rssi; + + mag_info = ((struct ath_ht20_40_mag_info *)radar_info) - 1; + lower_mag = spectral_max_magnitude(mag_info->lower_bins); + upper_mag = spectral_max_magnitude(mag_info->upper_bins); + fft_sample_40.lower_max_magnitude = __cpu_to_be16(lower_mag); + fft_sample_40.upper_max_magnitude = __cpu_to_be16(upper_mag); + lower_max_index = spectral_max_index(mag_info->lower_bins); + upper_max_index = spectral_max_index(mag_info->upper_bins); + fft_sample_40.lower_max_index = lower_max_index; + fft_sample_40.upper_max_index = upper_max_index; + lower_bitmap_w = spectral_bitmap_weight(mag_info->lower_bins); + upper_bitmap_w = spectral_bitmap_weight(mag_info->upper_bins); + fft_sample_40.lower_bitmap_weight = lower_bitmap_w; + fft_sample_40.upper_bitmap_weight = upper_bitmap_w; + fft_sample_40.max_exp = mag_info->max_exp & 0xf; + + fft_sample_40.tsf = __cpu_to_be64(tsf); + + tlv = (struct fft_sample_tlv *)&fft_sample_40; + } else { + u8 max_index, bitmap_w; + u16 magnitude; + struct ath_ht20_mag_info *mag_info; + + length = sizeof(fft_sample_20) - sizeof(struct fft_sample_tlv); + fft_sample_20.tlv.type = ATH_FFT_SAMPLE_HT20; + fft_sample_20.tlv.length = __cpu_to_be16(length); + fft_sample_20.freq = __cpu_to_be16(freq); + + fft_sample_20.rssi = fix_rssi_inv_only(rs->rs_rssi_ctl[0]); + fft_sample_20.noise = ah->noise; + + mag_info = ((struct ath_ht20_mag_info *)radar_info) - 1; + magnitude = spectral_max_magnitude(mag_info->all_bins); + fft_sample_20.max_magnitude = __cpu_to_be16(magnitude); + max_index = spectral_max_index(mag_info->all_bins); + fft_sample_20.max_index = max_index; + bitmap_w = spectral_bitmap_weight(mag_info->all_bins); + fft_sample_20.bitmap_weight = bitmap_w; + fft_sample_20.max_exp = mag_info->max_exp & 0xf; + + fft_sample_20.tsf = __cpu_to_be64(tsf); + + tlv = (struct fft_sample_tlv *)&fft_sample_20; + } + + ath_debug_send_fft_sample(sc, tlv); + + return 1; +} + +/*********************/ +/* spectral_scan_ctl */ +/*********************/ + +static ssize_t read_file_spec_scan_ctl(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_softc *sc = file->private_data; + char *mode = ""; + unsigned int len; + + switch (sc->spectral_mode) { + case SPECTRAL_DISABLED: + mode = "disable"; + break; + case SPECTRAL_BACKGROUND: + mode = "background"; + break; + case SPECTRAL_CHANSCAN: + mode = "chanscan"; + break; + case SPECTRAL_MANUAL: + mode = "manual"; + break; + } + len = strlen(mode); + return simple_read_from_buffer(user_buf, count, ppos, mode, len); +} + +static ssize_t write_file_spec_scan_ctl(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_softc *sc = file->private_data; + struct ath_common *common = ath9k_hw_common(sc->sc_ah); + char buf[32]; + ssize_t len; + + if (config_enabled(CONFIG_ATH9K_TX99)) + return -EOPNOTSUPP; + + len = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, len)) + return -EFAULT; + + buf[len] = '\0'; + + if (strncmp("trigger", buf, 7) == 0) { + ath9k_spectral_scan_trigger(sc->hw); + } else if (strncmp("background", buf, 9) == 0) { + ath9k_spectral_scan_config(sc->hw, SPECTRAL_BACKGROUND); + ath_dbg(common, CONFIG, "spectral scan: background mode enabled\n"); + } else if (strncmp("chanscan", buf, 8) == 0) { + ath9k_spectral_scan_config(sc->hw, SPECTRAL_CHANSCAN); + ath_dbg(common, CONFIG, "spectral scan: channel scan mode enabled\n"); + } else if (strncmp("manual", buf, 6) == 0) { + ath9k_spectral_scan_config(sc->hw, SPECTRAL_MANUAL); + ath_dbg(common, CONFIG, "spectral scan: manual mode enabled\n"); + } else if (strncmp("disable", buf, 7) == 0) { + ath9k_spectral_scan_config(sc->hw, SPECTRAL_DISABLED); + ath_dbg(common, CONFIG, "spectral scan: disabled\n"); + } else { + return -EINVAL; + } + + return count; +} + +static const struct file_operations fops_spec_scan_ctl = { + .read = read_file_spec_scan_ctl, + .write = write_file_spec_scan_ctl, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +/*************************/ +/* spectral_short_repeat */ +/*************************/ + +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, +}; + +/******************/ +/* spectral_count */ +/******************/ + +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, +}; + +/*******************/ +/* spectral_period */ +/*******************/ + +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, +}; + +/***********************/ +/* spectral_fft_period */ +/***********************/ + +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, +}; + +/*******************/ +/* Relay interface */ +/*******************/ + +static struct dentry *create_buf_file_handler(const char *filename, + struct dentry *parent, + umode_t mode, + struct rchan_buf *buf, + int *is_global) +{ + struct dentry *buf_file; + + buf_file = debugfs_create_file(filename, mode, parent, buf, + &relay_file_operations); + *is_global = 1; + return buf_file; +} + +static int remove_buf_file_handler(struct dentry *dentry) +{ + debugfs_remove(dentry); + + return 0; +} + +struct rchan_callbacks rfs_spec_scan_cb = { + .create_buf_file = create_buf_file_handler, + .remove_buf_file = remove_buf_file_handler, +}; + +/*********************/ +/* Debug Init/Deinit */ +/*********************/ + +void ath9k_spectral_deinit_debug(struct ath_softc *sc) +{ + if (config_enabled(CONFIG_ATH9K_DEBUGFS) && sc->rfs_chan_spec_scan) { + relay_close(sc->rfs_chan_spec_scan); + sc->rfs_chan_spec_scan = NULL; + } +} + +void ath9k_spectral_init_debug(struct ath_softc *sc) +{ + sc->rfs_chan_spec_scan = relay_open("spectral_scan", + sc->debug.debugfs_phy, + 1024, 256, &rfs_spec_scan_cb, + NULL); + 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); +} diff --git a/drivers/net/wireless/ath/ath9k/spectral.h b/drivers/net/wireless/ath/ath9k/spectral.h new file mode 100644 index 000000000000..ead63412ee1a --- /dev/null +++ b/drivers/net/wireless/ath/ath9k/spectral.h @@ -0,0 +1,212 @@ +/* + * Copyright (c) 2013 Qualcomm Atheros, Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef SPECTRAL_H +#define SPECTRAL_H + +/* enum spectral_mode: + * + * @SPECTRAL_DISABLED: spectral mode is disabled + * @SPECTRAL_BACKGROUND: hardware sends samples when it is not busy with + * something else. + * @SPECTRAL_MANUAL: spectral scan is enabled, triggering for samples + * is performed manually. + * @SPECTRAL_CHANSCAN: Like manual, but also triggered when changing channels + * during a channel scan. + */ +enum spectral_mode { + SPECTRAL_DISABLED = 0, + SPECTRAL_BACKGROUND, + SPECTRAL_MANUAL, + SPECTRAL_CHANSCAN, +}; + +#define SPECTRAL_SCAN_BITMASK 0x10 +/* Radar info packet format, used for DFS and spectral formats. */ +struct ath_radar_info { + u8 pulse_length_pri; + u8 pulse_length_ext; + u8 pulse_bw_info; +} __packed; + +/* The HT20 spectral data has 4 bytes of additional information at it's end. + * + * [7:0]: all bins {max_magnitude[1:0], bitmap_weight[5:0]} + * [7:0]: all bins max_magnitude[9:2] + * [7:0]: all bins {max_index[5:0], max_magnitude[11:10]} + * [3:0]: max_exp (shift amount to size max bin to 8-bit unsigned) + */ +struct ath_ht20_mag_info { + u8 all_bins[3]; + u8 max_exp; +} __packed; + +#define SPECTRAL_HT20_NUM_BINS 56 + +/* WARNING: don't actually use this struct! MAC may vary the amount of + * data by -1/+2. This struct is for reference only. + */ +struct ath_ht20_fft_packet { + u8 data[SPECTRAL_HT20_NUM_BINS]; + struct ath_ht20_mag_info mag_info; + struct ath_radar_info radar_info; +} __packed; + +#define SPECTRAL_HT20_TOTAL_DATA_LEN (sizeof(struct ath_ht20_fft_packet)) + +/* Dynamic 20/40 mode: + * + * [7:0]: lower bins {max_magnitude[1:0], bitmap_weight[5:0]} + * [7:0]: lower bins max_magnitude[9:2] + * [7:0]: lower bins {max_index[5:0], max_magnitude[11:10]} + * [7:0]: upper bins {max_magnitude[1:0], bitmap_weight[5:0]} + * [7:0]: upper bins max_magnitude[9:2] + * [7:0]: upper bins {max_index[5:0], max_magnitude[11:10]} + * [3:0]: max_exp (shift amount to size max bin to 8-bit unsigned) + */ +struct ath_ht20_40_mag_info { + u8 lower_bins[3]; + u8 upper_bins[3]; + u8 max_exp; +} __packed; + +#define SPECTRAL_HT20_40_NUM_BINS 128 + +/* WARNING: don't actually use this struct! MAC may vary the amount of + * data. This struct is for reference only. + */ +struct ath_ht20_40_fft_packet { + u8 data[SPECTRAL_HT20_40_NUM_BINS]; + struct ath_ht20_40_mag_info mag_info; + struct ath_radar_info radar_info; +} __packed; + + +#define SPECTRAL_HT20_40_TOTAL_DATA_LEN (sizeof(struct ath_ht20_40_fft_packet)) + +/* grabs the max magnitude from the all/upper/lower bins */ +static inline u16 spectral_max_magnitude(u8 *bins) +{ + return (bins[0] & 0xc0) >> 6 | + (bins[1] & 0xff) << 2 | + (bins[2] & 0x03) << 10; +} + +/* return the max magnitude from the all/upper/lower bins */ +static inline u8 spectral_max_index(u8 *bins) +{ + s8 m = (bins[2] & 0xfc) >> 2; + + /* TODO: this still doesn't always report the right values ... */ + if (m > 32) + m |= 0xe0; + else + m &= ~0xe0; + + return m + 29; +} + +/* return the bitmap weight from the all/upper/lower bins */ +static inline u8 spectral_bitmap_weight(u8 *bins) +{ + return bins[0] & 0x3f; +} + +/* FFT sample format given to userspace via debugfs. + * + * Please keep the type/length at the front position and change + * other fields after adding another sample type + * + * TODO: this might need rework when switching to nl80211-based + * interface. + */ +enum ath_fft_sample_type { + ATH_FFT_SAMPLE_HT20 = 1, + ATH_FFT_SAMPLE_HT20_40, +}; + +struct fft_sample_tlv { + u8 type; /* see ath_fft_sample */ + __be16 length; + /* type dependent data follows */ +} __packed; + +struct fft_sample_ht20 { + struct fft_sample_tlv tlv; + + u8 max_exp; + + __be16 freq; + s8 rssi; + s8 noise; + + __be16 max_magnitude; + u8 max_index; + u8 bitmap_weight; + + __be64 tsf; + + u8 data[SPECTRAL_HT20_NUM_BINS]; +} __packed; + +struct fft_sample_ht20_40 { + struct fft_sample_tlv tlv; + + u8 channel_type; + __be16 freq; + + s8 lower_rssi; + s8 upper_rssi; + + __be64 tsf; + + s8 lower_noise; + s8 upper_noise; + + __be16 lower_max_magnitude; + __be16 upper_max_magnitude; + + u8 lower_max_index; + u8 upper_max_index; + + u8 lower_bitmap_weight; + u8 upper_bitmap_weight; + + u8 max_exp; + + u8 data[SPECTRAL_HT20_40_NUM_BINS]; +} __packed; + +void ath9k_spectral_init_debug(struct ath_softc *sc); +void ath9k_spectral_deinit_debug(struct ath_softc *sc); + +void ath9k_spectral_scan_trigger(struct ieee80211_hw *hw); +int ath9k_spectral_scan_config(struct ieee80211_hw *hw, + enum spectral_mode spectral_mode); + +#ifdef CONFIG_ATH9K_DEBUGFS +int ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr, + struct ath_rx_status *rs, u64 tsf); +#else +static inline int ath_process_fft(struct ath_softc *sc, + struct ieee80211_hdr *hdr, + struct ath_rx_status *rs, u64 tsf) +{ + return 0; +} +#endif /* CONFIG_ATH9K_DEBUGFS */ + +#endif /* SPECTRAL_H */ diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index a907bc94800d..9d735c55a0f3 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -174,14 +174,7 @@ static void ath_txq_skb_done(struct ath_softc *sc, struct ath_txq *txq, static struct ath_atx_tid * ath_get_skb_tid(struct ath_softc *sc, struct ath_node *an, struct sk_buff *skb) { - struct ieee80211_hdr *hdr; - u8 tidno = 0; - - hdr = (struct ieee80211_hdr *) skb->data; - if (ieee80211_is_data_qos(hdr->frame_control)) - tidno = ieee80211_get_qos_ctl(hdr)[0]; - - tidno &= IEEE80211_QOS_CTL_TID_MASK; + u8 tidno = skb->priority & IEEE80211_QOS_CTL_TID_MASK; return ATH_AN_2_TID(an, tidno); } diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c index 8f37562e0b11..750626b0e22d 100644 --- a/drivers/net/wireless/ath/wcn36xx/smd.c +++ b/drivers/net/wireless/ath/wcn36xx/smd.c @@ -2060,22 +2060,28 @@ static void wcn36xx_smd_rsp_process(struct wcn36xx *wcn, void *buf, size_t len) case WCN36XX_HAL_OTA_TX_COMPL_IND: case WCN36XX_HAL_MISSED_BEACON_IND: case WCN36XX_HAL_DELETE_STA_CONTEXT_IND: - mutex_lock(&wcn->hal_ind_mutex); msg_ind = kmalloc(sizeof(*msg_ind), GFP_KERNEL); - if (msg_ind) { - msg_ind->msg_len = len; - msg_ind->msg = kmalloc(len, GFP_KERNEL); - memcpy(msg_ind->msg, buf, len); - list_add_tail(&msg_ind->list, &wcn->hal_ind_queue); - queue_work(wcn->hal_ind_wq, &wcn->hal_ind_work); - wcn36xx_dbg(WCN36XX_DBG_HAL, "indication arrived\n"); + if (!msg_ind) + goto nomem; + msg_ind->msg_len = len; + msg_ind->msg = kmalloc(len, GFP_KERNEL); + if (!msg_ind->msg) { + kfree(msg_ind); +nomem: + /* + * FIXME: Do something smarter then just + * printing an error. + */ + wcn36xx_err("Run out of memory while handling SMD_EVENT (%d)\n", + msg_header->msg_type); + break; } + memcpy(msg_ind->msg, buf, len); + mutex_lock(&wcn->hal_ind_mutex); + list_add_tail(&msg_ind->list, &wcn->hal_ind_queue); + queue_work(wcn->hal_ind_wq, &wcn->hal_ind_work); mutex_unlock(&wcn->hal_ind_mutex); - if (msg_ind) - break; - /* FIXME: Do something smarter then just printing an error. */ - wcn36xx_err("Run out of memory while handling SMD_EVENT (%d)\n", - msg_header->msg_type); + wcn36xx_dbg(WCN36XX_DBG_HAL, "indication arrived\n"); break; default: wcn36xx_err("SMD_EVENT (%d) not supported\n", |