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path: root/drivers/net/wireless/ath/ath9k
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-rw-r--r--drivers/net/wireless/ath/ath9k/Makefile2
-rw-r--r--drivers/net/wireless/ath/ath9k/ahb.c31
-rw-r--r--drivers/net/wireless/ath/ath9k/ath9k.h80
-rw-r--r--drivers/net/wireless/ath/ath9k/beacon.c30
-rw-r--r--drivers/net/wireless/ath/ath9k/btcoex.h2
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.c199
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.h32
-rw-r--r--drivers/net/wireless/ath/ath9k/gpio.c442
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c178
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.h10
-rw-r--r--drivers/net/wireless/ath/ath9k/init.c863
-rw-r--r--drivers/net/wireless/ath/ath9k/mac.h34
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c1451
-rw-r--r--drivers/net/wireless/ath/ath9k/pci.c75
-rw-r--r--drivers/net/wireless/ath/ath9k/phy.h3
-rw-r--r--drivers/net/wireless/ath/ath9k/rc.c27
-rw-r--r--drivers/net/wireless/ath/ath9k/rc.h4
-rw-r--r--drivers/net/wireless/ath/ath9k/recv.c40
-rw-r--r--drivers/net/wireless/ath/ath9k/reg.h6
-rw-r--r--drivers/net/wireless/ath/ath9k/virtual.c2
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c62
21 files changed, 1948 insertions, 1625 deletions
diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index 4985b2b1b0a9..6b50d5eb9ec3 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -1,4 +1,6 @@
ath9k-y += beacon.o \
+ gpio.o \
+ init.o \
main.o \
recv.o \
xmit.o \
diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c
index 329e6bc137ab..ca4994f13151 100644
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -27,12 +27,6 @@ static void ath_ahb_read_cachesize(struct ath_common *common, int *csz)
*csz = L1_CACHE_BYTES >> 2;
}
-static void ath_ahb_cleanup(struct ath_common *common)
-{
- struct ath_softc *sc = (struct ath_softc *)common->priv;
- iounmap(sc->mem);
-}
-
static bool ath_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
{
struct ath_softc *sc = (struct ath_softc *)common->priv;
@@ -54,8 +48,6 @@ static bool ath_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
static struct ath_bus_ops ath_ahb_bus_ops = {
.read_cachesize = ath_ahb_read_cachesize,
- .cleanup = ath_ahb_cleanup,
-
.eeprom_read = ath_ahb_eeprom_read,
};
@@ -121,16 +113,19 @@ static int ath_ahb_probe(struct platform_device *pdev)
sc->mem = mem;
sc->irq = irq;
- ret = ath_init_device(AR5416_AR9100_DEVID, sc, 0x0, &ath_ahb_bus_ops);
+ /* Will be cleared in ath9k_start() */
+ sc->sc_flags |= SC_OP_INVALID;
+
+ ret = request_irq(irq, ath_isr, IRQF_SHARED, "ath9k", sc);
if (ret) {
- dev_err(&pdev->dev, "failed to initialize device\n");
+ dev_err(&pdev->dev, "request_irq failed\n");
goto err_free_hw;
}
- ret = request_irq(irq, ath_isr, IRQF_SHARED, "ath9k", sc);
+ ret = ath9k_init_device(AR5416_AR9100_DEVID, sc, 0x0, &ath_ahb_bus_ops);
if (ret) {
- dev_err(&pdev->dev, "request_irq failed\n");
- goto err_detach;
+ dev_err(&pdev->dev, "failed to initialize device\n");
+ goto err_irq;
}
ah = sc->sc_ah;
@@ -143,8 +138,8 @@ static int ath_ahb_probe(struct platform_device *pdev)
return 0;
- err_detach:
- ath_detach(sc);
+ err_irq:
+ free_irq(irq, sc);
err_free_hw:
ieee80211_free_hw(hw);
platform_set_drvdata(pdev, NULL);
@@ -161,8 +156,12 @@ static int ath_ahb_remove(struct platform_device *pdev)
if (hw) {
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
+ void __iomem *mem = sc->mem;
- ath_cleanup(sc);
+ ath9k_deinit_device(sc);
+ free_irq(sc->irq, sc);
+ ieee80211_free_hw(sc->hw);
+ iounmap(mem);
platform_set_drvdata(pdev, NULL);
}
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 1597a42731ed..83c7ea4c007f 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -267,6 +267,7 @@ void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
u16 tid, u16 *ssn);
void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
+void ath9k_enable_ps(struct ath_softc *sc);
/********/
/* VIFs */
@@ -341,6 +342,12 @@ int ath_beaconq_config(struct ath_softc *sc);
#define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
#define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
+void ath_ani_calibrate(unsigned long data);
+
+/**********/
+/* BTCOEX */
+/**********/
+
/* Defines the BT AR_BT_COEX_WGHT used */
enum ath_stomp_type {
ATH_BTCOEX_NO_STOMP,
@@ -358,9 +365,14 @@ struct ath_btcoex {
int bt_stomp_type; /* Types of BT stomping */
u32 btcoex_no_stomp; /* in usec */
u32 btcoex_period; /* in usec */
+ u32 btscan_no_stomp; /* in usec */
struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */
};
+int ath_init_btcoex_timer(struct ath_softc *sc);
+void ath9k_btcoex_timer_resume(struct ath_softc *sc);
+void ath9k_btcoex_timer_pause(struct ath_softc *sc);
+
/********************/
/* LED Control */
/********************/
@@ -385,6 +397,9 @@ struct ath_led {
bool registered;
};
+void ath_init_leds(struct ath_softc *sc);
+void ath_deinit_leds(struct ath_softc *sc);
+
/********************/
/* Main driver core */
/********************/
@@ -403,26 +418,29 @@ struct ath_led {
#define ATH_TXPOWER_MAX 100 /* .5 dBm units */
#define ATH_RATE_DUMMY_MARKER 0
-#define SC_OP_INVALID BIT(0)
-#define SC_OP_BEACONS BIT(1)
-#define SC_OP_RXAGGR BIT(2)
-#define SC_OP_TXAGGR BIT(3)
-#define SC_OP_FULL_RESET BIT(4)
-#define SC_OP_PREAMBLE_SHORT BIT(5)
-#define SC_OP_PROTECT_ENABLE BIT(6)
-#define SC_OP_RXFLUSH BIT(7)
-#define SC_OP_LED_ASSOCIATED BIT(8)
-#define SC_OP_WAIT_FOR_BEACON BIT(12)
-#define SC_OP_LED_ON BIT(13)
-#define SC_OP_SCANNING BIT(14)
-#define SC_OP_TSF_RESET BIT(15)
-#define SC_OP_WAIT_FOR_CAB BIT(16)
-#define SC_OP_WAIT_FOR_PSPOLL_DATA BIT(17)
-#define SC_OP_WAIT_FOR_TX_ACK BIT(18)
-#define SC_OP_BEACON_SYNC BIT(19)
-#define SC_OP_BT_PRIORITY_DETECTED BIT(21)
-#define SC_OP_NULLFUNC_COMPLETED BIT(22)
-#define SC_OP_PS_ENABLED BIT(23)
+#define SC_OP_INVALID BIT(0)
+#define SC_OP_BEACONS BIT(1)
+#define SC_OP_RXAGGR BIT(2)
+#define SC_OP_TXAGGR BIT(3)
+#define SC_OP_FULL_RESET BIT(4)
+#define SC_OP_PREAMBLE_SHORT BIT(5)
+#define SC_OP_PROTECT_ENABLE BIT(6)
+#define SC_OP_RXFLUSH BIT(7)
+#define SC_OP_LED_ASSOCIATED BIT(8)
+#define SC_OP_LED_ON BIT(9)
+#define SC_OP_SCANNING BIT(10)
+#define SC_OP_TSF_RESET BIT(11)
+#define SC_OP_BT_PRIORITY_DETECTED BIT(12)
+#define SC_OP_BT_SCAN BIT(13)
+
+/* Powersave flags */
+#define PS_WAIT_FOR_BEACON BIT(0)
+#define PS_WAIT_FOR_CAB BIT(1)
+#define PS_WAIT_FOR_PSPOLL_DATA BIT(2)
+#define PS_WAIT_FOR_TX_ACK BIT(3)
+#define PS_BEACON_SYNC BIT(4)
+#define PS_NULLFUNC_COMPLETED BIT(5)
+#define PS_ENABLED BIT(6)
struct ath_wiphy;
struct ath_rate_table;
@@ -453,16 +471,17 @@ struct ath_softc {
int irq;
spinlock_t sc_resetlock;
spinlock_t sc_serial_rw;
- spinlock_t ani_lock;
spinlock_t sc_pm_lock;
struct mutex mutex;
u32 intrstatus;
u32 sc_flags; /* SC_OP_* */
+ u16 ps_flags; /* PS_* */
u16 curtxpow;
u8 nbcnvifs;
u16 nvifs;
bool ps_enabled;
+ bool ps_idle;
unsigned long ps_usecount;
enum ath9k_int imask;
@@ -509,6 +528,7 @@ struct ath_wiphy {
int chan_is_ht;
};
+void ath9k_tasklet(unsigned long data);
int ath_reset(struct ath_softc *sc, bool retry_tx);
int ath_get_hal_qnum(u16 queue, struct ath_softc *sc);
int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
@@ -519,21 +539,16 @@ static inline void ath_read_cachesize(struct ath_common *common, int *csz)
common->bus_ops->read_cachesize(common, csz);
}
-static inline void ath_bus_cleanup(struct ath_common *common)
-{
- common->bus_ops->cleanup(common);
-}
-
extern struct ieee80211_ops ath9k_ops;
+extern int modparam_nohwcrypt;
irqreturn_t ath_isr(int irq, void *dev);
-void ath_cleanup(struct ath_softc *sc);
-int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
+int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
const struct ath_bus_ops *bus_ops);
-void ath_detach(struct ath_softc *sc);
+void ath9k_deinit_device(struct ath_softc *sc);
const char *ath_mac_bb_name(u32 mac_bb_version);
const char *ath_rf_name(u16 rf_version);
-void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
+void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
struct ath9k_channel *ichan);
void ath_update_chainmask(struct ath_softc *sc, int is_ht);
@@ -542,6 +557,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw);
void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw);
+bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode);
#ifdef CONFIG_PCI
int ath_pci_init(void);
@@ -583,4 +599,8 @@ void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue);
void ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue);
int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype);
+
+void ath_start_rfkill_poll(struct ath_softc *sc);
+extern void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
+
#endif /* ATH9K_H */
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 1660ef17aaf5..b4a31a43a62c 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -62,7 +62,7 @@ int ath_beaconq_config(struct ath_softc *sc)
* Beacons are always sent out at the lowest rate, and are not retried.
*/
static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
- struct ath_buf *bf)
+ struct ath_buf *bf, int rateidx)
{
struct sk_buff *skb = bf->bf_mpdu;
struct ath_hw *ah = sc->sc_ah;
@@ -96,9 +96,9 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
ds->ds_data = bf->bf_buf_addr;
sband = &sc->sbands[common->hw->conf.channel->band];
- rate = sband->bitrates[0].hw_value;
+ rate = sband->bitrates[rateidx].hw_value;
if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
- rate |= sband->bitrates[0].hw_value_short;
+ rate |= sband->bitrates[rateidx].hw_value_short;
ath9k_hw_set11n_txdesc(ah, ds, skb->len + FCS_LEN,
ATH9K_PKT_TYPE_BEACON,
@@ -206,7 +206,7 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
}
}
- ath_beacon_setup(sc, avp, bf);
+ ath_beacon_setup(sc, avp, bf, info->control.rates[0].idx);
while (skb) {
ath_tx_cabq(hw, skb);
@@ -237,7 +237,7 @@ static void ath_beacon_start_adhoc(struct ath_softc *sc,
bf = avp->av_bcbuf;
skb = bf->bf_mpdu;
- ath_beacon_setup(sc, avp, bf);
+ ath_beacon_setup(sc, avp, bf, 0);
/* NB: caller is known to have already stopped tx dma */
ath9k_hw_puttxbuf(ah, sc->beacon.beaconq, bf->bf_daddr);
@@ -480,7 +480,8 @@ void ath_beacon_tasklet(unsigned long data)
sc->beacon.updateslot = COMMIT; /* commit next beacon */
sc->beacon.slotupdate = slot;
} else if (sc->beacon.updateslot == COMMIT && sc->beacon.slotupdate == slot) {
- ath9k_hw_setslottime(sc->sc_ah, sc->beacon.slottime);
+ ah->slottime = sc->beacon.slottime;
+ ath9k_hw_init_global_settings(ah);
sc->beacon.updateslot = OK;
}
if (bfaddr != 0) {
@@ -525,16 +526,13 @@ static void ath_beacon_config_ap(struct ath_softc *sc,
{
u32 nexttbtt, intval;
- /* Configure the timers only when the TSF has to be reset */
-
- if (!(sc->sc_flags & SC_OP_TSF_RESET))
- return;
-
/* NB: the beacon interval is kept internally in TU's */
intval = conf->beacon_interval & ATH9K_BEACON_PERIOD;
intval /= ATH_BCBUF; /* for staggered beacons */
nexttbtt = intval;
- intval |= ATH9K_BEACON_RESET_TSF;
+
+ if (sc->sc_flags & SC_OP_TSF_RESET)
+ intval |= ATH9K_BEACON_RESET_TSF;
/*
* In AP mode we enable the beacon timers and SWBA interrupts to
@@ -576,6 +574,13 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
u64 tsf;
int num_beacons, offset, dtim_dec_count, cfp_dec_count;
+ /* No need to configure beacon if we are not associated */
+ if (!common->curaid) {
+ ath_print(common, ATH_DBG_BEACON,
+ "STA is not yet associated..skipping beacon config\n");
+ return;
+ }
+
memset(&bs, 0, sizeof(bs));
intval = conf->beacon_interval & ATH9K_BEACON_PERIOD;
@@ -738,7 +743,6 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
enum nl80211_iftype iftype;
/* Setup the beacon configuration parameters */
-
if (vif) {
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index 1ba31a73317c..1ee5a15ccbb1 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -25,10 +25,12 @@
#define ATH_BTCOEX_DEF_BT_PERIOD 45
#define ATH_BTCOEX_DEF_DUTY_CYCLE 55
+#define ATH_BTCOEX_BTSCAN_DUTY_CYCLE 90
#define ATH_BTCOEX_BMISS_THRESH 50
#define ATH_BT_PRIORITY_TIME_THRESHOLD 1000 /* ms */
#define ATH_BT_CNT_THRESHOLD 3
+#define ATH_BT_CNT_SCAN_THRESHOLD 15
enum ath_btcoex_scheme {
ATH_BTCOEX_CFG_NONE,
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index b66f72dbf7b9..42d2a506845a 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -75,17 +75,24 @@ static const struct file_operations fops_debug = {
#endif
+#define DMA_BUF_LEN 1024
+
static ssize_t read_file_dma(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_hw *ah = sc->sc_ah;
- char buf[1024];
+ char *buf;
+ int retval;
unsigned int len = 0;
u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
int i, qcuOffset = 0, dcuOffset = 0;
u32 *qcuBase = &val[0], *dcuBase = &val[4];
+ buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
+ if (!buf)
+ return 0;
+
ath9k_ps_wakeup(sc);
REG_WRITE_D(ah, AR_MACMISC,
@@ -93,20 +100,20 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
(AR_MACMISC_MISC_OBS_BUS_1 <<
AR_MACMISC_MISC_OBS_BUS_MSB_S)));
- len += snprintf(buf + len, sizeof(buf) - len,
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
"Raw DMA Debug values:\n");
for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
if (i % 4 == 0)
- len += snprintf(buf + len, sizeof(buf) - len, "\n");
+ len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
- len += snprintf(buf + len, sizeof(buf) - len, "%d: %08x ",
+ len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
i, val[i]);
}
- len += snprintf(buf + len, sizeof(buf) - len, "\n\n");
- len += snprintf(buf + len, sizeof(buf) - len,
+ len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
"Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
@@ -120,7 +127,7 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
dcuBase++;
}
- len += snprintf(buf + len, sizeof(buf) - len,
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
"%2d %2x %1x %2x %2x\n",
i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
(*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
@@ -128,35 +135,37 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
(*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
}
- len += snprintf(buf + len, sizeof(buf) - len, "\n");
+ len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
- len += snprintf(buf + len, sizeof(buf) - len,
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
"qcu_stitch state: %2x qcu_fetch state: %2x\n",
(val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
- len += snprintf(buf + len, sizeof(buf) - len,
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
"qcu_complete state: %2x dcu_complete state: %2x\n",
(val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
- len += snprintf(buf + len, sizeof(buf) - len,
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
"dcu_arb state: %2x dcu_fp state: %2x\n",
(val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
- len += snprintf(buf + len, sizeof(buf) - len,
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
"chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
(val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
- len += snprintf(buf + len, sizeof(buf) - len,
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
"txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
(val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
- len += snprintf(buf + len, sizeof(buf) - len,
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
"txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
(val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
- len += snprintf(buf + len, sizeof(buf) - len, "pcu observe: 0x%x \n",
+ len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x \n",
REG_READ_D(ah, AR_OBS_BUS_1));
- len += snprintf(buf + len, sizeof(buf) - len,
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
"AR_CR: 0x%x \n", REG_READ_D(ah, AR_CR));
ath9k_ps_restore(sc);
- return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+ return retval;
}
static const struct file_operations fops_dma = {
@@ -289,23 +298,49 @@ static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
if (sc->cur_rate_table == NULL)
return 0;
- max = 80 + sc->cur_rate_table->rate_cnt * 64;
+ max = 80 + sc->cur_rate_table->rate_cnt * 1024;
buf = kmalloc(max + 1, GFP_KERNEL);
if (buf == NULL)
return 0;
buf[max] = 0;
- len += sprintf(buf, "%5s %15s %8s %9s %3s\n\n", "Rate", "Success",
- "Retries", "XRetries", "PER");
+ len += sprintf(buf, "%6s %6s %6s "
+ "%10s %10s %10s %10s\n",
+ "HT", "MCS", "Rate",
+ "Success", "Retries", "XRetries", "PER");
for (i = 0; i < sc->cur_rate_table->rate_cnt; i++) {
u32 ratekbps = sc->cur_rate_table->info[i].ratekbps;
struct ath_rc_stats *stats = &sc->debug.stats.rcstats[i];
+ char mcs[5];
+ char htmode[5];
+ int used_mcs = 0, used_htmode = 0;
+
+ if (WLAN_RC_PHY_HT(sc->cur_rate_table->info[i].phy)) {
+ used_mcs = snprintf(mcs, 5, "%d",
+ sc->cur_rate_table->info[i].ratecode);
+
+ if (WLAN_RC_PHY_40(sc->cur_rate_table->info[i].phy))
+ used_htmode = snprintf(htmode, 5, "HT40");
+ else if (WLAN_RC_PHY_20(sc->cur_rate_table->info[i].phy))
+ used_htmode = snprintf(htmode, 5, "HT20");
+ else
+ used_htmode = snprintf(htmode, 5, "????");
+ }
+
+ mcs[used_mcs] = '\0';
+ htmode[used_htmode] = '\0';
len += snprintf(buf + len, max - len,
- "%3u.%d: %8u %8u %8u %8u\n", ratekbps / 1000,
- (ratekbps % 1000) / 100, stats->success,
- stats->retries, stats->xretries,
+ "%6s %6s %3u.%d: "
+ "%10u %10u %10u %10u\n",
+ htmode,
+ mcs,
+ ratekbps / 1000,
+ (ratekbps % 1000) / 100,
+ stats->success,
+ stats->retries,
+ stats->xretries,
stats->per);
}
@@ -554,6 +589,116 @@ static const struct file_operations fops_xmit = {
.owner = THIS_MODULE
};
+static ssize_t read_file_recv(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+#define PHY_ERR(s, p) \
+ len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
+ sc->debug.stats.rxstats.phy_err_stats[p]);
+
+ struct ath_softc *sc = file->private_data;
+ char *buf;
+ unsigned int len = 0, size = 1152;
+ ssize_t retval = 0;
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (buf == NULL)
+ return 0;
+
+ len += snprintf(buf + len, size - len,
+ "%18s : %10u\n", "CRC ERR",
+ sc->debug.stats.rxstats.crc_err);
+ len += snprintf(buf + len, size - len,
+ "%18s : %10u\n", "DECRYPT CRC ERR",
+ sc->debug.stats.rxstats.decrypt_crc_err);
+ len += snprintf(buf + len, size - len,
+ "%18s : %10u\n", "PHY ERR",
+ sc->debug.stats.rxstats.phy_err);
+ len += snprintf(buf + len, size - len,
+ "%18s : %10u\n", "MIC ERR",
+ sc->debug.stats.rxstats.mic_err);
+ len += snprintf(buf + len, size - len,
+ "%18s : %10u\n", "PRE-DELIM CRC ERR",
+ sc->debug.stats.rxstats.pre_delim_crc_err);
+ len += snprintf(buf + len, size - len,
+ "%18s : %10u\n", "POST-DELIM CRC ERR",
+ sc->debug.stats.rxstats.post_delim_crc_err);
+ len += snprintf(buf + len, size - len,
+ "%18s : %10u\n", "DECRYPT BUSY ERR",
+ sc->debug.stats.rxstats.decrypt_busy_err);
+
+ PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
+ PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
+ PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
+ PHY_ERR("RATE", ATH9K_PHYERR_RATE);
+ PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
+ PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
+ PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
+ PHY_ERR("TOR", ATH9K_PHYERR_TOR);
+ PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
+ PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
+ PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
+ PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
+ PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
+ PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
+ PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
+ PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
+ PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
+ PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
+ PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
+ PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
+ PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
+ PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
+ PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
+ PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
+ PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
+ PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
+
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return retval;
+
+#undef PHY_ERR
+}
+
+void ath_debug_stat_rx(struct ath_softc *sc, struct ath_buf *bf)
+{
+#define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
+#define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
+
+ struct ath_desc *ds = bf->bf_desc;
+ u32 phyerr;
+
+ if (ds->ds_rxstat.rs_status & ATH9K_RXERR_CRC)
+ RX_STAT_INC(crc_err);
+ if (ds->ds_rxstat.rs_status & ATH9K_RXERR_DECRYPT)
+ RX_STAT_INC(decrypt_crc_err);
+ if (ds->ds_rxstat.rs_status & ATH9K_RXERR_MIC)
+ RX_STAT_INC(mic_err);
+ if (ds->ds_rxstat.rs_status & ATH9K_RX_DELIM_CRC_PRE)
+ RX_STAT_INC(pre_delim_crc_err);
+ if (ds->ds_rxstat.rs_status & ATH9K_RX_DELIM_CRC_POST)
+ RX_STAT_INC(post_delim_crc_err);
+ if (ds->ds_rxstat.rs_status & ATH9K_RX_DECRYPT_BUSY)
+ RX_STAT_INC(decrypt_busy_err);
+
+ if (ds->ds_rxstat.rs_status & ATH9K_RXERR_PHY) {
+ RX_STAT_INC(phy_err);
+ phyerr = ds->ds_rxstat.rs_phyerr & 0x24;
+ RX_PHY_ERR_INC(phyerr);
+ }
+
+#undef RX_STAT_INC
+#undef RX_PHY_ERR_INC
+}
+
+static const struct file_operations fops_recv = {
+ .read = read_file_recv,
+ .open = ath9k_debugfs_open,
+ .owner = THIS_MODULE
+};
+
int ath9k_init_debug(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
@@ -606,6 +751,13 @@ int ath9k_init_debug(struct ath_hw *ah)
if (!sc->debug.debugfs_xmit)
goto err;
+ sc->debug.debugfs_recv = debugfs_create_file("recv",
+ S_IRUSR,
+ sc->debug.debugfs_phy,
+ sc, &fops_recv);
+ if (!sc->debug.debugfs_recv)
+ goto err;
+
return 0;
err:
ath9k_exit_debug(ah);
@@ -617,6 +769,7 @@ void ath9k_exit_debug(struct ath_hw *ah)
struct ath_common *common = ath9k_hw_common(ah);
struct ath_softc *sc = (struct ath_softc *) common->priv;
+ debugfs_remove(sc->debug.debugfs_recv);
debugfs_remove(sc->debug.debugfs_xmit);
debugfs_remove(sc->debug.debugfs_wiphy);
debugfs_remove(sc->debug.debugfs_rcstat);
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index 536663e3ee11..86780e68b31e 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -116,10 +116,35 @@ struct ath_tx_stats {
u32 delim_underrun;
};
+/**
+ * struct ath_rx_stats - RX Statistics
+ * @crc_err: No. of frames with incorrect CRC value
+ * @decrypt_crc_err: No. of frames whose CRC check failed after
+ decryption process completed
+ * @phy_err: No. of frames whose reception failed because the PHY
+ encountered an error
+ * @mic_err: No. of frames with incorrect TKIP MIC verification failure
+ * @pre_delim_crc_err: Pre-Frame delimiter CRC error detections
+ * @post_delim_crc_err: Post-Frame delimiter CRC error detections
+ * @decrypt_busy_err: Decryption interruptions counter
+ * @phy_err_stats: Individual PHY error statistics
+ */
+struct ath_rx_stats {
+ u32 crc_err;
+ u32 decrypt_crc_err;
+ u32 phy_err;
+ u32 mic_err;
+ u32 pre_delim_crc_err;
+ u32 post_delim_crc_err;
+ u32 decrypt_busy_err;
+ u32 phy_err_stats[ATH9K_PHYERR_MAX];
+};
+
struct ath_stats {
struct ath_interrupt_stats istats;
struct ath_rc_stats rcstats[RATE_TABLE_SIZE];
struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES];
+ struct ath_rx_stats rxstats;
};
struct ath9k_debug {
@@ -130,6 +155,7 @@ struct ath9k_debug {
struct dentry *debugfs_rcstat;
struct dentry *debugfs_wiphy;
struct dentry *debugfs_xmit;
+ struct dentry *debugfs_recv;
struct ath_stats stats;
};
@@ -142,6 +168,7 @@ void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
void ath_debug_stat_rc(struct ath_softc *sc, int final_rate);
void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq,
struct ath_buf *bf);
+void ath_debug_stat_rx(struct ath_softc *sc, struct ath_buf *bf);
void ath_debug_stat_retries(struct ath_softc *sc, int rix,
int xretries, int retries, u8 per);
@@ -181,6 +208,11 @@ static inline void ath_debug_stat_tx(struct ath_softc *sc,
{
}
+static inline void ath_debug_stat_rx(struct ath_softc *sc,
+ struct ath_buf *bf)
+{
+}
+
static inline void ath_debug_stat_retries(struct ath_softc *sc, int rix,
int xretries, int retries, u8 per)
{
diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
new file mode 100644
index 000000000000..deab8beb0680
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -0,0 +1,442 @@
+/*
+ * Copyright (c) 2008-2009 Atheros Communications 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 "ath9k.h"
+
+/********************************/
+/* LED functions */
+/********************************/
+
+static void ath_led_blink_work(struct work_struct *work)
+{
+ struct ath_softc *sc = container_of(work, struct ath_softc,
+ ath_led_blink_work.work);
+
+ if (!(sc->sc_flags & SC_OP_LED_ASSOCIATED))
+ return;
+
+ if ((sc->led_on_duration == ATH_LED_ON_DURATION_IDLE) ||
+ (sc->led_off_duration == ATH_LED_OFF_DURATION_IDLE))
+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
+ else
+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin,
+ (sc->sc_flags & SC_OP_LED_ON) ? 1 : 0);
+
+ ieee80211_queue_delayed_work(sc->hw,
+ &sc->ath_led_blink_work,
+ (sc->sc_flags & SC_OP_LED_ON) ?
+ msecs_to_jiffies(sc->led_off_duration) :
+ msecs_to_jiffies(sc->led_on_duration));
+
+ sc->led_on_duration = sc->led_on_cnt ?
+ max((ATH_LED_ON_DURATION_IDLE - sc->led_on_cnt), 25) :
+ ATH_LED_ON_DURATION_IDLE;
+ sc->led_off_duration = sc->led_off_cnt ?
+ max((ATH_LED_OFF_DURATION_IDLE - sc->led_off_cnt), 10) :
+ ATH_LED_OFF_DURATION_IDLE;
+ sc->led_on_cnt = sc->led_off_cnt = 0;
+ if (sc->sc_flags & SC_OP_LED_ON)
+ sc->sc_flags &= ~SC_OP_LED_ON;
+ else
+ sc->sc_flags |= SC_OP_LED_ON;
+}
+
+static void ath_led_brightness(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ struct ath_led *led = container_of(led_cdev, struct ath_led, led_cdev);
+ struct ath_softc *sc = led->sc;
+
+ switch (brightness) {
+ case LED_OFF:
+ if (led->led_type == ATH_LED_ASSOC ||
+ led->led_type == ATH_LED_RADIO) {
+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin,
+ (led->led_type == ATH_LED_RADIO));
+ sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
+ if (led->led_type == ATH_LED_RADIO)
+ sc->sc_flags &= ~SC_OP_LED_ON;
+ } else {
+ sc->led_off_cnt++;
+ }
+ break;
+ case LED_FULL:
+ if (led->led_type == ATH_LED_ASSOC) {
+ sc->sc_flags |= SC_OP_LED_ASSOCIATED;
+ ieee80211_queue_delayed_work(sc->hw,
+ &sc->ath_led_blink_work, 0);
+ } else if (led->led_type == ATH_LED_RADIO) {
+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
+ sc->sc_flags |= SC_OP_LED_ON;
+ } else {
+ sc->led_on_cnt++;
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static int ath_register_led(struct ath_softc *sc, struct ath_led *led,
+ char *trigger)
+{
+ int ret;
+
+ led->sc = sc;
+ led->led_cdev.name = led->name;
+ led->led_cdev.default_trigger = trigger;
+ led->led_cdev.brightness_set = ath_led_brightness;
+
+ ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &led->led_cdev);
+ if (ret)
+ ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+ "Failed to register led:%s", led->name);
+ else
+ led->registered = 1;
+ return ret;
+}
+
+static void ath_unregister_led(struct ath_led *led)
+{
+ if (led->registered) {
+ led_classdev_unregister(&led->led_cdev);
+ led->registered = 0;
+ }
+}
+
+void ath_deinit_leds(struct ath_softc *sc)
+{
+ ath_unregister_led(&sc->assoc_led);
+ sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
+ ath_unregister_led(&sc->tx_led);
+ ath_unregister_led(&sc->rx_led);
+ ath_unregister_led(&sc->radio_led);
+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
+}
+
+void ath_init_leds(struct ath_softc *sc)
+{
+ char *trigger;
+ int ret;
+
+ if (AR_SREV_9287(sc->sc_ah))
+ sc->sc_ah->led_pin = ATH_LED_PIN_9287;
+ else
+ sc->sc_ah->led_pin = ATH_LED_PIN_DEF;
+
+ /* Configure gpio 1 for output */
+ ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
+ AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ /* LED off, active low */
+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
+
+ INIT_DELAYED_WORK(&sc->ath_led_blink_work, ath_led_blink_work);
+
+ trigger = ieee80211_get_radio_led_name(sc->hw);
+ snprintf(sc->radio_led.name, sizeof(sc->radio_led.name),
+ "ath9k-%s::radio", wiphy_name(sc->hw->wiphy));
+ ret = ath_register_led(sc, &sc->radio_led, trigger);
+ sc->radio_led.led_type = ATH_LED_RADIO;
+ if (ret)
+ goto fail;
+
+ trigger = ieee80211_get_assoc_led_name(sc->hw);
+ snprintf(sc->assoc_led.name, sizeof(sc->assoc_led.name),
+ "ath9k-%s::assoc", wiphy_name(sc->hw->wiphy));
+ ret = ath_register_led(sc, &sc->assoc_led, trigger);
+ sc->assoc_led.led_type = ATH_LED_ASSOC;
+ if (ret)
+ goto fail;
+
+ trigger = ieee80211_get_tx_led_name(sc->hw);
+ snprintf(sc->tx_led.name, sizeof(sc->tx_led.name),
+ "ath9k-%s::tx", wiphy_name(sc->hw->wiphy));
+ ret = ath_register_led(sc, &sc->tx_led, trigger);
+ sc->tx_led.led_type = ATH_LED_TX;
+ if (ret)
+ goto fail;
+
+ trigger = ieee80211_get_rx_led_name(sc->hw);
+ snprintf(sc->rx_led.name, sizeof(sc->rx_led.name),
+ "ath9k-%s::rx", wiphy_name(sc->hw->wiphy));
+ ret = ath_register_led(sc, &sc->rx_led, trigger);
+ sc->rx_led.led_type = ATH_LED_RX;
+ if (ret)
+ goto fail;
+
+ return;
+
+fail:
+ cancel_delayed_work_sync(&sc->ath_led_blink_work);
+ ath_deinit_leds(sc);
+}
+
+/*******************/
+/* Rfkill */
+/*******************/
+
+static bool ath_is_rfkill_set(struct ath_softc *sc)
+{
+ struct ath_hw *ah = sc->sc_ah;
+
+ return ath9k_hw_gpio_get(ah, ah->rfkill_gpio) ==
+ ah->rfkill_polarity;
+}
+
+void ath9k_rfkill_poll_state(struct ieee80211_hw *hw)
+{
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
+ bool blocked = !!ath_is_rfkill_set(sc);
+
+ wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
+}
+
+void ath_start_rfkill_poll(struct ath_softc *sc)
+{
+ struct ath_hw *ah = sc->sc_ah;
+
+ if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+ wiphy_rfkill_start_polling(sc->hw->wiphy);
+}
+
+/******************/
+/* BTCOEX */
+/******************/
+
+/*
+ * Detects if there is any priority bt traffic
+ */
+static void ath_detect_bt_priority(struct ath_softc *sc)
+{
+ struct ath_btcoex *btcoex = &sc->btcoex;
+ struct ath_hw *ah = sc->sc_ah;
+
+ if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_hw.btpriority_gpio))
+ btcoex->bt_priority_cnt++;
+
+ if (time_after(jiffies, btcoex->bt_priority_time +
+ msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
+ sc->sc_flags &= ~(SC_OP_BT_PRIORITY_DETECTED | SC_OP_BT_SCAN);
+ /* Detect if colocated bt started scanning */
+ if (btcoex->bt_priority_cnt >= ATH_BT_CNT_SCAN_THRESHOLD) {
+ ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_BTCOEX,
+ "BT scan detected");
+ sc->sc_flags |= (SC_OP_BT_SCAN |
+ SC_OP_BT_PRIORITY_DETECTED);
+ } else if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
+ ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_BTCOEX,
+ "BT priority traffic detected");
+ sc->sc_flags |= SC_OP_BT_PRIORITY_DETECTED;
+ }
+
+ btcoex->bt_priority_cnt = 0;
+ btcoex->bt_priority_time = jiffies;
+ }
+}
+
+/*
+ * Configures appropriate weight based on stomp type.
+ */
+static void ath9k_btcoex_bt_stomp(struct ath_softc *sc,
+ enum ath_stomp_type stomp_type)
+{
+ struct ath_hw *ah = sc->sc_ah;
+
+ switch (stomp_type) {
+ case ATH_BTCOEX_STOMP_ALL:
+ ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+ AR_STOMP_ALL_WLAN_WGHT);
+ break;
+ case ATH_BTCOEX_STOMP_LOW:
+ ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+ AR_STOMP_LOW_WLAN_WGHT);
+ break;
+ case ATH_BTCOEX_STOMP_NONE:
+ ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+ AR_STOMP_NONE_WLAN_WGHT);
+ break;
+ default:
+ ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+ "Invalid Stomptype\n");
+ break;
+ }
+
+ ath9k_hw_btcoex_enable(ah);
+}
+
+static void ath9k_gen_timer_start(struct ath_hw *ah,
+ struct ath_gen_timer *timer,
+ u32 timer_next,
+ u32 timer_period)
+{
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
+
+ ath9k_hw_gen_timer_start(ah, timer, timer_next, timer_period);
+
+ if ((sc->imask & ATH9K_INT_GENTIMER) == 0) {
+ ath9k_hw_set_interrupts(ah, 0);
+ sc->imask |= ATH9K_INT_GENTIMER;
+ ath9k_hw_set_interrupts(ah, sc->imask);
+ }
+}
+
+static void ath9k_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
+{
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
+ 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_set_interrupts(ah, 0);
+ sc->imask &= ~ATH9K_INT_GENTIMER;
+ ath9k_hw_set_interrupts(ah, sc->imask);
+ }
+}
+
+/*
+ * This is the master bt coex timer which runs for every
+ * 45ms, bt traffic will be given priority during 55% of this
+ * period while wlan gets remaining 45%
+ */
+static void ath_btcoex_period_timer(unsigned long data)
+{
+ struct ath_softc *sc = (struct ath_softc *) data;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_btcoex *btcoex = &sc->btcoex;
+ u32 timer_period;
+ bool is_btscan;
+
+ ath_detect_bt_priority(sc);
+
+ is_btscan = sc->sc_flags & SC_OP_BT_SCAN;
+
+ spin_lock_bh(&btcoex->btcoex_lock);
+
+ ath9k_btcoex_bt_stomp(sc, is_btscan ? ATH_BTCOEX_STOMP_ALL :
+ btcoex->bt_stomp_type);
+
+ spin_unlock_bh(&btcoex->btcoex_lock);
+
+ if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) {
+ if (btcoex->hw_timer_enabled)
+ ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
+
+ timer_period = is_btscan ? btcoex->btscan_no_stomp :
+ btcoex->btcoex_no_stomp;
+ ath9k_gen_timer_start(ah,
+ btcoex->no_stomp_timer,
+ (ath9k_hw_gettsf32(ah) +
+ timer_period), timer_period * 10);
+ btcoex->hw_timer_enabled = true;
+ }
+
+ mod_timer(&btcoex->period_timer, jiffies +
+ msecs_to_jiffies(ATH_BTCOEX_DEF_BT_PERIOD));
+}
+
+/*
+ * 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)
+{
+ struct ath_softc *sc = (struct ath_softc *)arg;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_btcoex *btcoex = &sc->btcoex;
+ bool is_btscan = sc->sc_flags & SC_OP_BT_SCAN;
+
+ ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+ "no stomp timer running \n");
+
+ spin_lock_bh(&btcoex->btcoex_lock);
+
+ if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW || is_btscan)
+ ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_NONE);
+ else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
+ ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_LOW);
+
+ spin_unlock_bh(&btcoex->btcoex_lock);
+}
+
+int ath_init_btcoex_timer(struct ath_softc *sc)
+{
+ struct ath_btcoex *btcoex = &sc->btcoex;
+
+ btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 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) *
+ btcoex->btcoex_period / 100;
+
+ setup_timer(&btcoex->period_timer, ath_btcoex_period_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;
+}
+
+/*
+ * (Re)start btcoex timers
+ */
+void ath9k_btcoex_timer_resume(struct ath_softc *sc)
+{
+ struct ath_btcoex *btcoex = &sc->btcoex;
+ struct ath_hw *ah = sc->sc_ah;
+
+ ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+ "Starting btcoex timers");
+
+ /* 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->bt_priority_cnt = 0;
+ btcoex->bt_priority_time = jiffies;
+ sc->sc_flags &= ~(SC_OP_BT_PRIORITY_DETECTED | SC_OP_BT_SCAN);
+
+ mod_timer(&btcoex->period_timer, jiffies);
+}
+
+
+/*
+ * Pause btcoex timer and bt duty cycle timer
+ */
+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;
+}
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index ae371448b5a0..2e767cf22f1e 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -52,28 +52,6 @@ module_exit(ath9k_exit);
/* Helper Functions */
/********************/
-static u32 ath9k_hw_mac_usec(struct ath_hw *ah, u32 clks)
-{
- struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
-
- if (!ah->curchan) /* should really check for CCK instead */
- return clks / ATH9K_CLOCK_RATE_CCK;
- if (conf->channel->band == IEEE80211_BAND_2GHZ)
- return clks / ATH9K_CLOCK_RATE_2GHZ_OFDM;
-
- return clks / ATH9K_CLOCK_RATE_5GHZ_OFDM;
-}
-
-static u32 ath9k_hw_mac_to_usec(struct ath_hw *ah, u32 clks)
-{
- struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
-
- if (conf_is_ht40(conf))
- return ath9k_hw_mac_usec(ah, clks) / 2;
- else
- return ath9k_hw_mac_usec(ah, clks);
-}
-
static u32 ath9k_hw_mac_clks(struct ath_hw *ah, u32 usecs)
{
struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
@@ -343,30 +321,6 @@ static bool ath9k_hw_chip_test(struct ath_hw *ah)
return true;
}
-static const char *ath9k_hw_devname(u16 devid)
-{
- switch (devid) {
- case AR5416_DEVID_PCI:
- return "Atheros 5416";
- case AR5416_DEVID_PCIE:
- return "Atheros 5418";
- case AR9160_DEVID_PCI:
- return "Atheros 9160";
- case AR5416_AR9100_DEVID:
- return "Atheros 9100";
- case AR9280_DEVID_PCI:
- case AR9280_DEVID_PCIE:
- return "Atheros 9280";
- case AR9285_DEVID_PCIE:
- return "Atheros 9285";
- case AR5416_DEVID_AR9287_PCI:
- case AR5416_DEVID_AR9287_PCIE:
- return "Atheros 9287";
- }
-
- return NULL;
-}
-
static void ath9k_hw_init_config(struct ath_hw *ah)
{
int i;
@@ -380,7 +334,6 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
ah->config.pcie_clock_req = 0;
ah->config.pcie_waen = 0;
ah->config.analog_shiftreg = 1;
- ah->config.ht_enable = 1;
ah->config.ofdm_trig_low = 200;
ah->config.ofdm_trig_high = 500;
ah->config.cck_trig_high = 200;
@@ -392,7 +345,12 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
ah->config.spurchans[i][1] = AR_NO_SPUR;
}
- ah->config.intr_mitigation = true;
+ if (ah->hw_version.devid != AR2427_DEVID_PCIE)
+ ah->config.ht_enable = 1;
+ else
+ ah->config.ht_enable = 0;
+
+ ah->config.rx_intr_mitigation = true;
/*
* We need this for PCI devices only (Cardbus, PCI, miniPCI)
@@ -437,8 +395,6 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
ah->beacon_interval = 100;
ah->enable_32kHz_clock = DONT_USE_32KHZ;
ah->slottime = (u32) -1;
- ah->acktimeout = (u32) -1;
- ah->ctstimeout = (u32) -1;
ah->globaltxtimeout = (u32) -1;
ah->power_mode = ATH9K_PM_UNDEFINED;
}
@@ -590,6 +546,7 @@ static bool ath9k_hw_devid_supported(u16 devid)
case AR5416_DEVID_AR9287_PCI:
case AR5416_DEVID_AR9287_PCIE:
case AR9271_USB:
+ case AR2427_DEVID_PCIE:
return true;
default:
break;
@@ -1183,7 +1140,7 @@ static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
AR_IMR_RXORN |
AR_IMR_BCNMISC;
- if (ah->config.intr_mitigation)
+ if (ah->config.rx_intr_mitigation)
ah->mask_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR;
else
ah->mask_reg |= AR_IMR_RXOK;
@@ -1203,34 +1160,25 @@ static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
}
}
-static bool ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us)
+static void ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
{
- if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_ACK))) {
- ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
- "bad ack timeout %u\n", us);
- ah->acktimeout = (u32) -1;
- return false;
- } else {
- REG_RMW_FIELD(ah, AR_TIME_OUT,
- AR_TIME_OUT_ACK, ath9k_hw_mac_to_clks(ah, us));
- ah->acktimeout = us;
- return true;
- }
+ u32 val = ath9k_hw_mac_to_clks(ah, us);
+ val = min(val, (u32) 0xFFFF);
+ REG_WRITE(ah, AR_D_GBL_IFS_SLOT, val);
}
-static bool ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
+static void ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us)
{
- if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_CTS))) {
- ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
- "bad cts timeout %u\n", us);
- ah->ctstimeout = (u32) -1;
- return false;
- } else {
- REG_RMW_FIELD(ah, AR_TIME_OUT,
- AR_TIME_OUT_CTS, ath9k_hw_mac_to_clks(ah, us));
- ah->ctstimeout = us;
- return true;
- }
+ u32 val = ath9k_hw_mac_to_clks(ah, us);
+ val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_ACK));
+ REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_ACK, val);
+}
+
+static void ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
+{
+ u32 val = ath9k_hw_mac_to_clks(ah, us);
+ val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_CTS));
+ REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_CTS, val);
}
static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
@@ -1247,31 +1195,48 @@ static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
}
}
-static void ath9k_hw_init_user_settings(struct ath_hw *ah)
+void ath9k_hw_init_global_settings(struct ath_hw *ah)
{
+ struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
+ int acktimeout;
+ int slottime;
+ int sifstime;
+
ath_print(ath9k_hw_common(ah), ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
ah->misc_mode);
if (ah->misc_mode != 0)
REG_WRITE(ah, AR_PCU_MISC,
REG_READ(ah, AR_PCU_MISC) | ah->misc_mode);
- if (ah->slottime != (u32) -1)
- ath9k_hw_setslottime(ah, ah->slottime);
- if (ah->acktimeout != (u32) -1)
- ath9k_hw_set_ack_timeout(ah, ah->acktimeout);
- if (ah->ctstimeout != (u32) -1)
- ath9k_hw_set_cts_timeout(ah, ah->ctstimeout);
+
+ if (conf->channel && conf->channel->band == IEEE80211_BAND_5GHZ)
+ sifstime = 16;
+ else
+ sifstime = 10;
+
+ /* As defined by IEEE 802.11-2007 17.3.8.6 */
+ slottime = ah->slottime + 3 * ah->coverage_class;
+ acktimeout = slottime + sifstime;
+
+ /*
+ * Workaround for early ACK timeouts, add an offset to match the
+ * initval's 64us ack timeout value.
+ * This was initially only meant to work around an issue with delayed
+ * BA frames in some implementations, but it has been found to fix ACK
+ * timeout issues in other cases as well.
+ */
+ if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ)
+ acktimeout += 64 - sifstime - ah->slottime;
+
+ ath9k_hw_setslottime(ah, slottime);
+ ath9k_hw_set_ack_timeout(ah, acktimeout);
+ ath9k_hw_set_cts_timeout(ah, acktimeout);
if (ah->globaltxtimeout != (u32) -1)
ath9k_hw_set_global_txtimeout(ah, ah->globaltxtimeout);
}
+EXPORT_SYMBOL(ath9k_hw_init_global_settings);
-const char *ath9k_hw_probe(u16 vendorid, u16 devid)
-{
- return vendorid == ATHEROS_VENDOR_ID ?
- ath9k_hw_devname(devid) : NULL;
-}
-
-void ath9k_hw_detach(struct ath_hw *ah)
+void ath9k_hw_deinit(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
@@ -1289,7 +1254,7 @@ free_hw:
kfree(ah);
ah = NULL;
}
-EXPORT_SYMBOL(ath9k_hw_detach);
+EXPORT_SYMBOL(ath9k_hw_deinit);
/*******/
/* INI */
@@ -1345,6 +1310,16 @@ static void ath9k_hw_override_ini(struct ath_hw *ah,
* Necessary to avoid issues on AR5416 2.0
*/
REG_WRITE(ah, 0x9800 + (651 << 2), 0x11);
+
+ /*
+ * Disable RIFS search on some chips to avoid baseband
+ * hang issues.
+ */
+ if (AR_SREV_9100(ah) || AR_SREV_9160(ah)) {
+ val = REG_READ(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS);
+ val &= ~AR_PHY_RIFS_INIT_DELAY;
+ REG_WRITE(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS, val);
+ }
}
static u32 ath9k_hw_def_ini_fixup(struct ath_hw *ah,
@@ -2090,7 +2065,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
ath9k_enable_rfkill(ah);
- ath9k_hw_init_user_settings(ah);
+ ath9k_hw_init_global_settings(ah);
if (AR_SREV_9287_12_OR_LATER(ah)) {
REG_WRITE(ah, AR_D_GBL_IFS_SIFS,
@@ -2120,7 +2095,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
REG_WRITE(ah, AR_OBS, 8);
- if (ah->config.intr_mitigation) {
+ if (ah->config.rx_intr_mitigation) {
REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, 500);
REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 2000);
}
@@ -2780,7 +2755,7 @@ bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
*masked = isr & ATH9K_INT_COMMON;
- if (ah->config.intr_mitigation) {
+ if (ah->config.rx_intr_mitigation) {
if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM))
*masked |= ATH9K_INT_RX;
}
@@ -2913,7 +2888,7 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
}
if (ints & ATH9K_INT_RX) {
mask |= AR_IMR_RXERR;
- if (ah->config.intr_mitigation)
+ if (ah->config.rx_intr_mitigation)
mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM;
else
mask |= AR_IMR_RXOK | AR_IMR_RXDESC;
@@ -3687,21 +3662,6 @@ u64 ath9k_hw_extend_tsf(struct ath_hw *ah, u32 rstamp)
}
EXPORT_SYMBOL(ath9k_hw_extend_tsf);
-bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
-{
- if (us < ATH9K_SLOT_TIME_9 || us > ath9k_hw_mac_to_usec(ah, 0xffff)) {
- ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
- "bad slot time %u\n", us);
- ah->slottime = (u32) -1;
- return false;
- } else {
- REG_WRITE(ah, AR_D_GBL_IFS_SLOT, ath9k_hw_mac_to_clks(ah, us));
- ah->slottime = us;
- return true;
- }
-}
-EXPORT_SYMBOL(ath9k_hw_setslottime);
-
void ath9k_hw_set11nmac2040(struct ath_hw *ah)
{
struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index e2b0c73a616f..dbbf7ca5f97d 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -40,6 +40,7 @@
#define AR9280_DEVID_PCI 0x0029
#define AR9280_DEVID_PCIE 0x002a
#define AR9285_DEVID_PCIE 0x002b
+#define AR2427_DEVID_PCIE 0x002c
#define AR5416_AR9100_DEVID 0x000b
@@ -212,7 +213,7 @@ struct ath9k_ops_config {
u32 cck_trig_low;
u32 enable_ani;
int serialize_regmode;
- bool intr_mitigation;
+ bool rx_intr_mitigation;
#define SPUR_DISABLE 0
#define SPUR_ENABLE_IOCTL 1
#define SPUR_ENABLE_EEPROM 2
@@ -551,10 +552,9 @@ struct ath_hw {
u32 *bank6Temp;
int16_t txpower_indexoffset;
+ int coverage_class;
u32 beacon_interval;
u32 slottime;
- u32 acktimeout;
- u32 ctstimeout;
u32 globaltxtimeout;
/* ANI */
@@ -616,7 +616,7 @@ static inline struct ath_regulatory *ath9k_hw_regulatory(struct ath_hw *ah)
/* Initialization, Detach, Reset */
const char *ath9k_hw_probe(u16 vendorid, u16 devid);
-void ath9k_hw_detach(struct ath_hw *ah);
+void ath9k_hw_deinit(struct ath_hw *ah);
int ath9k_hw_init(struct ath_hw *ah);
int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
bool bChannelChange);
@@ -668,7 +668,7 @@ void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64);
void ath9k_hw_reset_tsf(struct ath_hw *ah);
void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting);
u64 ath9k_hw_extend_tsf(struct ath_hw *ah, u32 rstamp);
-bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us);
+void ath9k_hw_init_global_settings(struct ath_hw *ah);
void ath9k_hw_set11nmac2040(struct ath_hw *ah);
void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period);
void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
new file mode 100644
index 000000000000..623c2f884987
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -0,0 +1,863 @@
+/*
+ * Copyright (c) 2008-2009 Atheros Communications 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 "ath9k.h"
+
+static char *dev_info = "ath9k";
+
+MODULE_AUTHOR("Atheros Communications");
+MODULE_DESCRIPTION("Support for Atheros 802.11n wireless LAN cards.");
+MODULE_SUPPORTED_DEVICE("Atheros 802.11n WLAN cards");
+MODULE_LICENSE("Dual BSD/GPL");
+
+static unsigned int ath9k_debug = ATH_DBG_DEFAULT;
+module_param_named(debug, ath9k_debug, uint, 0);
+MODULE_PARM_DESC(debug, "Debugging mask");
+
+int modparam_nohwcrypt;
+module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
+
+/* We use the hw_value as an index into our private channel structure */
+
+#define CHAN2G(_freq, _idx) { \
+ .center_freq = (_freq), \
+ .hw_value = (_idx), \
+ .max_power = 20, \
+}
+
+#define CHAN5G(_freq, _idx) { \
+ .band = IEEE80211_BAND_5GHZ, \
+ .center_freq = (_freq), \
+ .hw_value = (_idx), \
+ .max_power = 20, \
+}
+
+/* Some 2 GHz radios are actually tunable on 2312-2732
+ * on 5 MHz steps, we support the channels which we know
+ * we have calibration data for all cards though to make
+ * this static */
+static struct ieee80211_channel ath9k_2ghz_chantable[] = {
+ CHAN2G(2412, 0), /* Channel 1 */
+ CHAN2G(2417, 1), /* Channel 2 */
+ CHAN2G(2422, 2), /* Channel 3 */
+ CHAN2G(2427, 3), /* Channel 4 */
+ CHAN2G(2432, 4), /* Channel 5 */
+ CHAN2G(2437, 5), /* Channel 6 */
+ CHAN2G(2442, 6), /* Channel 7 */
+ CHAN2G(2447, 7), /* Channel 8 */
+ CHAN2G(2452, 8), /* Channel 9 */
+ CHAN2G(2457, 9), /* Channel 10 */
+ CHAN2G(2462, 10), /* Channel 11 */
+ CHAN2G(2467, 11), /* Channel 12 */
+ CHAN2G(2472, 12), /* Channel 13 */
+ CHAN2G(2484, 13), /* Channel 14 */
+};
+
+/* Some 5 GHz radios are actually tunable on XXXX-YYYY
+ * on 5 MHz steps, we support the channels which we know
+ * we have calibration data for all cards though to make
+ * this static */
+static struct ieee80211_channel ath9k_5ghz_chantable[] = {
+ /* _We_ call this UNII 1 */
+ CHAN5G(5180, 14), /* Channel 36 */
+ CHAN5G(5200, 15), /* Channel 40 */
+ CHAN5G(5220, 16), /* Channel 44 */
+ CHAN5G(5240, 17), /* Channel 48 */
+ /* _We_ call this UNII 2 */
+ CHAN5G(5260, 18), /* Channel 52 */
+ CHAN5G(5280, 19), /* Channel 56 */
+ CHAN5G(5300, 20), /* Channel 60 */
+ CHAN5G(5320, 21), /* Channel 64 */
+ /* _We_ call this "Middle band" */
+ CHAN5G(5500, 22), /* Channel 100 */
+ CHAN5G(5520, 23), /* Channel 104 */
+ CHAN5G(5540, 24), /* Channel 108 */
+ CHAN5G(5560, 25), /* Channel 112 */
+ CHAN5G(5580, 26), /* Channel 116 */
+ CHAN5G(5600, 27), /* Channel 120 */
+ CHAN5G(5620, 28), /* Channel 124 */
+ CHAN5G(5640, 29), /* Channel 128 */
+ CHAN5G(5660, 30), /* Channel 132 */
+ CHAN5G(5680, 31), /* Channel 136 */
+ CHAN5G(5700, 32), /* Channel 140 */
+ /* _We_ call this UNII 3 */
+ CHAN5G(5745, 33), /* Channel 149 */
+ CHAN5G(5765, 34), /* Channel 153 */
+ CHAN5G(5785, 35), /* Channel 157 */
+ CHAN5G(5805, 36), /* Channel 161 */
+ CHAN5G(5825, 37), /* Channel 165 */
+};
+
+/* Atheros hardware rate code addition for short premble */
+#define SHPCHECK(__hw_rate, __flags) \
+ ((__flags & IEEE80211_RATE_SHORT_PREAMBLE) ? (__hw_rate | 0x04 ) : 0)
+
+#define RATE(_bitrate, _hw_rate, _flags) { \
+ .bitrate = (_bitrate), \
+ .flags = (_flags), \
+ .hw_value = (_hw_rate), \
+ .hw_value_short = (SHPCHECK(_hw_rate, _flags)) \
+}
+
+static struct ieee80211_rate ath9k_legacy_rates[] = {
+ RATE(10, 0x1b, 0),
+ RATE(20, 0x1a, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(55, 0x19, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(110, 0x18, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(60, 0x0b, 0),
+ RATE(90, 0x0f, 0),
+ RATE(120, 0x0a, 0),
+ RATE(180, 0x0e, 0),
+ RATE(240, 0x09, 0),
+ RATE(360, 0x0d, 0),
+ RATE(480, 0x08, 0),
+ RATE(540, 0x0c, 0),
+};
+
+static void ath9k_deinit_softc(struct ath_softc *sc);
+
+/*
+ * Read and write, they both share the same lock. We do this to serialize
+ * reads and writes on Atheros 802.11n PCI devices only. This is required
+ * as the FIFO on these devices can only accept sanely 2 requests.
+ */
+
+static void ath9k_iowrite32(void *hw_priv, u32 val, u32 reg_offset)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
+
+ if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
+ unsigned long flags;
+ spin_lock_irqsave(&sc->sc_serial_rw, flags);
+ iowrite32(val, sc->mem + reg_offset);
+ spin_unlock_irqrestore(&sc->sc_serial_rw, flags);
+ } else
+ iowrite32(val, sc->mem + reg_offset);
+}
+
+static unsigned int ath9k_ioread32(void *hw_priv, u32 reg_offset)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
+ u32 val;
+
+ if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
+ unsigned long flags;
+ spin_lock_irqsave(&sc->sc_serial_rw, flags);
+ val = ioread32(sc->mem + reg_offset);
+ spin_unlock_irqrestore(&sc->sc_serial_rw, flags);
+ } else
+ val = ioread32(sc->mem + reg_offset);
+ return val;
+}
+
+static const struct ath_ops ath9k_common_ops = {
+ .read = ath9k_ioread32,
+ .write = ath9k_iowrite32,
+};
+
+/**************************/
+/* Initialization */
+/**************************/
+
+static void setup_ht_cap(struct ath_softc *sc,
+ struct ieee80211_sta_ht_cap *ht_info)
+{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ u8 tx_streams, rx_streams;
+
+ ht_info->ht_supported = true;
+ ht_info->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
+ IEEE80211_HT_CAP_SM_PS |
+ IEEE80211_HT_CAP_SGI_40 |
+ IEEE80211_HT_CAP_DSSSCCK40;
+
+ ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
+ ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
+
+ /* set up supported mcs set */
+ memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
+ tx_streams = !(common->tx_chainmask & (common->tx_chainmask - 1)) ?
+ 1 : 2;
+ rx_streams = !(common->rx_chainmask & (common->rx_chainmask - 1)) ?
+ 1 : 2;
+
+ if (tx_streams != rx_streams) {
+ ath_print(common, ATH_DBG_CONFIG,
+ "TX streams %d, RX streams: %d\n",
+ tx_streams, rx_streams);
+ ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
+ ht_info->mcs.tx_params |= ((tx_streams - 1) <<
+ IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
+ }
+
+ ht_info->mcs.rx_mask[0] = 0xff;
+ if (rx_streams >= 2)
+ ht_info->mcs.rx_mask[1] = 0xff;
+
+ ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
+}
+
+static int ath9k_reg_notifier(struct wiphy *wiphy,
+ struct regulatory_request *request)
+{
+ struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
+ struct ath_regulatory *reg = ath9k_hw_regulatory(sc->sc_ah);
+
+ return ath_reg_notifier_apply(wiphy, request, reg);
+}
+
+/*
+ * This function will allocate both the DMA descriptor structure, and the
+ * buffers it contains. These are used to contain the descriptors used
+ * by the system.
+*/
+int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
+ struct list_head *head, const char *name,
+ int nbuf, int ndesc)
+{
+#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)
+#define ATH_DESC_4KB_BOUND_NUM_SKIPPED(_len) ((_len) / 4096)
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ struct ath_desc *ds;
+ struct ath_buf *bf;
+ int i, bsize, error;
+
+ ath_print(common, ATH_DBG_CONFIG, "%s DMA: %u buffers %u desc/buf\n",
+ name, nbuf, ndesc);
+
+ INIT_LIST_HEAD(head);
+ /* ath_desc must be a multiple of DWORDs */
+ if ((sizeof(struct ath_desc) % 4) != 0) {
+ ath_print(common, ATH_DBG_FATAL,
+ "ath_desc not DWORD aligned\n");
+ BUG_ON((sizeof(struct ath_desc) % 4) != 0);
+ error = -ENOMEM;
+ goto fail;
+ }
+
+ dd->dd_desc_len = sizeof(struct ath_desc) * nbuf * ndesc;
+
+ /*
+ * Need additional DMA memory because we can't use
+ * descriptors that cross the 4K page boundary. Assume
+ * one skipped descriptor per 4K page.
+ */
+ if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_4KB_SPLITTRANS)) {
+ u32 ndesc_skipped =
+ ATH_DESC_4KB_BOUND_NUM_SKIPPED(dd->dd_desc_len);
+ u32 dma_len;
+
+ while (ndesc_skipped) {
+ dma_len = ndesc_skipped * sizeof(struct ath_desc);
+ dd->dd_desc_len += dma_len;
+
+ ndesc_skipped = ATH_DESC_4KB_BOUND_NUM_SKIPPED(dma_len);
+ };
+ }
+
+ /* allocate descriptors */
+ dd->dd_desc = dma_alloc_coherent(sc->dev, dd->dd_desc_len,
+ &dd->dd_desc_paddr, GFP_KERNEL);
+ if (dd->dd_desc == NULL) {
+ error = -ENOMEM;
+ goto fail;
+ }
+ ds = dd->dd_desc;
+ ath_print(common, ATH_DBG_CONFIG, "%s DMA map: %p (%u) -> %llx (%u)\n",
+ name, ds, (u32) dd->dd_desc_len,
+ ito64(dd->dd_desc_paddr), /*XXX*/(u32) dd->dd_desc_len);
+
+ /* allocate buffers */
+ bsize = sizeof(struct ath_buf) * nbuf;
+ bf = kzalloc(bsize, GFP_KERNEL);
+ if (bf == NULL) {
+ error = -ENOMEM;
+ goto fail2;
+ }
+ dd->dd_bufptr = bf;
+
+ for (i = 0; i < nbuf; i++, bf++, ds += ndesc) {
+ bf->bf_desc = ds;
+ bf->bf_daddr = DS2PHYS(dd, ds);
+
+ if (!(sc->sc_ah->caps.hw_caps &
+ ATH9K_HW_CAP_4KB_SPLITTRANS)) {
+ /*
+ * Skip descriptor addresses which can cause 4KB
+ * boundary crossing (addr + length) with a 32 dword
+ * descriptor fetch.
+ */
+ while (ATH_DESC_4KB_BOUND_CHECK(bf->bf_daddr)) {
+ BUG_ON((caddr_t) bf->bf_desc >=
+ ((caddr_t) dd->dd_desc +
+ dd->dd_desc_len));
+
+ ds += ndesc;
+ bf->bf_desc = ds;
+ bf->bf_daddr = DS2PHYS(dd, ds);
+ }
+ }
+ list_add_tail(&bf->list, head);
+ }
+ return 0;
+fail2:
+ dma_free_coherent(sc->dev, dd->dd_desc_len, dd->dd_desc,
+ dd->dd_desc_paddr);
+fail:
+ memset(dd, 0, sizeof(*dd));
+ return error;
+#undef ATH_DESC_4KB_BOUND_CHECK
+#undef ATH_DESC_4KB_BOUND_NUM_SKIPPED
+#undef DS2PHYS
+}
+
+static void ath9k_init_crypto(struct ath_softc *sc)
+{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ int i = 0;
+
+ /* Get the hardware key cache size. */
+ common->keymax = sc->sc_ah->caps.keycache_size;
+ if (common->keymax > ATH_KEYMAX) {
+ ath_print(common, ATH_DBG_ANY,
+ "Warning, using only %u entries in %u key cache\n",
+ ATH_KEYMAX, common->keymax);
+ common->keymax = ATH_KEYMAX;
+ }
+
+ /*
+ * Reset the key cache since some parts do not
+ * reset the contents on initial power up.
+ */
+ for (i = 0; i < common->keymax; i++)
+ ath9k_hw_keyreset(sc->sc_ah, (u16) i);
+
+ if (ath9k_hw_getcapability(sc->sc_ah, ATH9K_CAP_CIPHER,
+ ATH9K_CIPHER_TKIP, NULL)) {
+ /*
+ * Whether we should enable h/w TKIP MIC.
+ * XXX: if we don't support WME TKIP MIC, then we wouldn't
+ * report WMM capable, so it's always safe to turn on
+ * TKIP MIC in this case.
+ */
+ ath9k_hw_setcapability(sc->sc_ah, ATH9K_CAP_TKIP_MIC, 0, 1, NULL);
+ }
+
+ /*
+ * Check whether the separate key cache entries
+ * are required to handle both tx+rx MIC keys.
+ * With split mic keys the number of stations is limited
+ * to 27 otherwise 59.
+ */
+ if (ath9k_hw_getcapability(sc->sc_ah, ATH9K_CAP_CIPHER,
+ ATH9K_CIPHER_TKIP, NULL)
+ && ath9k_hw_getcapability(sc->sc_ah, ATH9K_CAP_CIPHER,
+ ATH9K_CIPHER_MIC, NULL)
+ && ath9k_hw_getcapability(sc->sc_ah, ATH9K_CAP_TKIP_SPLIT,
+ 0, NULL))
+ common->splitmic = 1;
+
+ /* turn on mcast key search if possible */
+ if (!ath9k_hw_getcapability(sc->sc_ah, ATH9K_CAP_MCAST_KEYSRCH, 0, NULL))
+ (void)ath9k_hw_setcapability(sc->sc_ah, ATH9K_CAP_MCAST_KEYSRCH,
+ 1, 1, NULL);
+
+}
+
+static int ath9k_init_btcoex(struct ath_softc *sc)
+{
+ int r, qnum;
+
+ switch (sc->sc_ah->btcoex_hw.scheme) {
+ case ATH_BTCOEX_CFG_NONE:
+ break;
+ case ATH_BTCOEX_CFG_2WIRE:
+ ath9k_hw_btcoex_init_2wire(sc->sc_ah);
+ break;
+ case ATH_BTCOEX_CFG_3WIRE:
+ ath9k_hw_btcoex_init_3wire(sc->sc_ah);
+ r = ath_init_btcoex_timer(sc);
+ if (r)
+ return -1;
+ qnum = ath_tx_get_qnum(sc, ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BE);
+ ath9k_hw_init_btcoex_hw(sc->sc_ah, qnum);
+ sc->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+
+ return 0;
+}
+
+static int ath9k_init_queues(struct ath_softc *sc)
+{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ int i = 0;
+
+ for (i = 0; i < ARRAY_SIZE(sc->tx.hwq_map); i++)
+ sc->tx.hwq_map[i] = -1;
+
+ sc->beacon.beaconq = ath9k_hw_beaconq_setup(sc->sc_ah);
+ if (sc->beacon.beaconq == -1) {
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to setup a beacon xmit queue\n");
+ goto err;
+ }
+
+ sc->beacon.cabq = ath_txq_setup(sc, ATH9K_TX_QUEUE_CAB, 0);
+ if (sc->beacon.cabq == NULL) {
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to setup CAB xmit queue\n");
+ goto err;
+ }
+
+ sc->config.cabqReadytime = ATH_CABQ_READY_TIME;
+ ath_cabq_update(sc);
+
+ if (!ath_tx_setup(sc, ATH9K_WME_AC_BK)) {
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to setup xmit queue for BK traffic\n");
+ goto err;
+ }
+
+ if (!ath_tx_setup(sc, ATH9K_WME_AC_BE)) {
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to setup xmit queue for BE traffic\n");
+ goto err;
+ }
+ if (!ath_tx_setup(sc, ATH9K_WME_AC_VI)) {
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to setup xmit queue for VI traffic\n");
+ goto err;
+ }
+ if (!ath_tx_setup(sc, ATH9K_WME_AC_VO)) {
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to setup xmit queue for VO traffic\n");
+ goto err;
+ }
+
+ return 0;
+
+err:
+ for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
+ if (ATH_TXQ_SETUP(sc, i))
+ ath_tx_cleanupq(sc, &sc->tx.txq[i]);
+
+ return -EIO;
+}
+
+static void ath9k_init_channels_rates(struct ath_softc *sc)
+{
+ if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes)) {
+ sc->sbands[IEEE80211_BAND_2GHZ].channels = ath9k_2ghz_chantable;
+ sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
+ sc->sbands[IEEE80211_BAND_2GHZ].n_channels =
+ ARRAY_SIZE(ath9k_2ghz_chantable);
+ sc->sbands[IEEE80211_BAND_2GHZ].bitrates = ath9k_legacy_rates;
+ sc->sbands[IEEE80211_BAND_2GHZ].n_bitrates =
+ ARRAY_SIZE(ath9k_legacy_rates);
+ }
+
+ if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes)) {
+ sc->sbands[IEEE80211_BAND_5GHZ].channels = ath9k_5ghz_chantable;
+ sc->sbands[IEEE80211_BAND_5GHZ].band = IEEE80211_BAND_5GHZ;
+ sc->sbands[IEEE80211_BAND_5GHZ].n_channels =
+ ARRAY_SIZE(ath9k_5ghz_chantable);
+ sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
+ ath9k_legacy_rates + 4;
+ sc->sbands[IEEE80211_BAND_5GHZ].n_bitrates =
+ ARRAY_SIZE(ath9k_legacy_rates) - 4;
+ }
+}
+
+static void ath9k_init_misc(struct ath_softc *sc)
+{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ int i = 0;
+
+ common->ani.noise_floor = ATH_DEFAULT_NOISE_FLOOR;
+ setup_timer(&common->ani.timer, ath_ani_calibrate, (unsigned long)sc);
+
+ sc->config.txpowlimit = ATH_TXPOWER_MAX;
+
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
+ sc->sc_flags |= SC_OP_TXAGGR;
+ sc->sc_flags |= SC_OP_RXAGGR;
+ }
+
+ common->tx_chainmask = sc->sc_ah->caps.tx_chainmask;
+ common->rx_chainmask = sc->sc_ah->caps.rx_chainmask;
+
+ ath9k_hw_setcapability(sc->sc_ah, ATH9K_CAP_DIVERSITY, 1, true, NULL);
+ sc->rx.defant = ath9k_hw_getdefantenna(sc->sc_ah);
+
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK)
+ memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
+
+ sc->beacon.slottime = ATH9K_SLOT_TIME_9;
+
+ for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) {
+ sc->beacon.bslot[i] = NULL;
+ sc->beacon.bslot_aphy[i] = NULL;
+ }
+}
+
+static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
+ const struct ath_bus_ops *bus_ops)
+{
+ struct ath_hw *ah = NULL;
+ struct ath_common *common;
+ int ret = 0, i;
+ int csz = 0;
+
+ ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL);
+ if (!ah)
+ return -ENOMEM;
+
+ ah->hw_version.devid = devid;
+ ah->hw_version.subsysid = subsysid;
+ sc->sc_ah = ah;
+
+ common = ath9k_hw_common(ah);
+ common->ops = &ath9k_common_ops;
+ common->bus_ops = bus_ops;
+ common->ah = ah;
+ common->hw = sc->hw;
+ common->priv = sc;
+ common->debug_mask = ath9k_debug;
+
+ spin_lock_init(&sc->wiphy_lock);
+ spin_lock_init(&sc->sc_resetlock);
+ spin_lock_init(&sc->sc_serial_rw);
+ spin_lock_init(&sc->sc_pm_lock);
+ mutex_init(&sc->mutex);
+ tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
+ tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,
+ (unsigned long)sc);
+
+ /*
+ * Cache line size is used to size and align various
+ * structures used to communicate with the hardware.
+ */
+ ath_read_cachesize(common, &csz);
+ common->cachelsz = csz << 2; /* convert to bytes */
+
+ ret = ath9k_hw_init(ah);
+ if (ret) {
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to initialize hardware; "
+ "initialization status: %d\n", ret);
+ goto err_hw;
+ }
+
+ ret = ath9k_init_debug(ah);
+ if (ret) {
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to create debugfs files\n");
+ goto err_debug;
+ }
+
+ ret = ath9k_init_queues(sc);
+ if (ret)
+ goto err_queues;
+
+ ret = ath9k_init_btcoex(sc);
+ if (ret)
+ goto err_btcoex;
+
+ ath9k_init_crypto(sc);
+ ath9k_init_channels_rates(sc);
+ ath9k_init_misc(sc);
+
+ return 0;
+
+err_btcoex:
+ for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
+ if (ATH_TXQ_SETUP(sc, i))
+ ath_tx_cleanupq(sc, &sc->tx.txq[i]);
+err_queues:
+ ath9k_exit_debug(ah);
+err_debug:
+ ath9k_hw_deinit(ah);
+err_hw:
+ tasklet_kill(&sc->intr_tq);
+ tasklet_kill(&sc->bcon_tasklet);
+
+ kfree(ah);
+ sc->sc_ah = NULL;
+
+ return ret;
+}
+
+void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
+{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+
+ hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
+ IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+ IEEE80211_HW_SIGNAL_DBM |
+ IEEE80211_HW_SUPPORTS_PS |
+ IEEE80211_HW_PS_NULLFUNC_STACK |
+ IEEE80211_HW_SPECTRUM_MGMT |
+ IEEE80211_HW_REPORTS_TX_ACK_STATUS;
+
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
+ hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
+
+ if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || modparam_nohwcrypt)
+ hw->flags |= IEEE80211_HW_MFP_CAPABLE;
+
+ hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_ADHOC) |
+ BIT(NL80211_IFTYPE_MESH_POINT);
+
+ hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+
+ hw->queues = 4;
+ hw->max_rates = 4;
+ hw->channel_change_time = 5000;
+ hw->max_listen_interval = 10;
+ hw->max_rate_tries = 10;
+ hw->sta_data_size = sizeof(struct ath_node);
+ hw->vif_data_size = sizeof(struct ath_vif);
+
+ hw->rate_control_algorithm = "ath9k_rate_control";
+
+ if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes))
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
+ &sc->sbands[IEEE80211_BAND_2GHZ];
+ if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
+ hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+ &sc->sbands[IEEE80211_BAND_5GHZ];
+
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
+ if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes))
+ setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
+ if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
+ setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
+ }
+
+ SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
+}
+
+int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
+ const struct ath_bus_ops *bus_ops)
+{
+ struct ieee80211_hw *hw = sc->hw;
+ struct ath_common *common;
+ struct ath_hw *ah;
+ int error = 0;
+ struct ath_regulatory *reg;
+
+ /* Bring up device */
+ error = ath9k_init_softc(devid, sc, subsysid, bus_ops);
+ if (error != 0)
+ goto error_init;
+
+ ah = sc->sc_ah;
+ common = ath9k_hw_common(ah);
+ ath9k_set_hw_capab(sc, hw);
+
+ /* Initialize regulatory */
+ error = ath_regd_init(&common->regulatory, sc->hw->wiphy,
+ ath9k_reg_notifier);
+ if (error)
+ goto error_regd;
+
+ reg = &common->regulatory;
+
+ /* Setup TX DMA */
+ error = ath_tx_init(sc, ATH_TXBUF);
+ if (error != 0)
+ goto error_tx;
+
+ /* Setup RX DMA */
+ error = ath_rx_init(sc, ATH_RXBUF);
+ if (error != 0)
+ goto error_rx;
+
+ /* Register with mac80211 */
+ error = ieee80211_register_hw(hw);
+ if (error)
+ goto error_register;
+
+ /* Handle world regulatory */
+ if (!ath_is_world_regd(reg)) {
+ error = regulatory_hint(hw->wiphy, reg->alpha2);
+ if (error)
+ goto error_world;
+ }
+
+ INIT_WORK(&sc->chan_work, ath9k_wiphy_chan_work);
+ INIT_DELAYED_WORK(&sc->wiphy_work, ath9k_wiphy_work);
+ sc->wiphy_scheduler_int = msecs_to_jiffies(500);
+
+ ath_init_leds(sc);
+ ath_start_rfkill_poll(sc);
+
+ return 0;
+
+error_world:
+ ieee80211_unregister_hw(hw);
+error_register:
+ ath_rx_cleanup(sc);
+error_rx:
+ ath_tx_cleanup(sc);
+error_tx:
+ /* Nothing */
+error_regd:
+ ath9k_deinit_softc(sc);
+error_init:
+ return error;
+}
+
+/*****************************/
+/* De-Initialization */
+/*****************************/
+
+static void ath9k_deinit_softc(struct ath_softc *sc)
+{
+ int i = 0;
+
+ if ((sc->btcoex.no_stomp_timer) &&
+ sc->sc_ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
+ ath_gen_timer_free(sc->sc_ah, sc->btcoex.no_stomp_timer);
+
+ for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
+ if (ATH_TXQ_SETUP(sc, i))
+ ath_tx_cleanupq(sc, &sc->tx.txq[i]);
+
+ ath9k_exit_debug(sc->sc_ah);
+ ath9k_hw_deinit(sc->sc_ah);
+
+ tasklet_kill(&sc->intr_tq);
+ tasklet_kill(&sc->bcon_tasklet);
+}
+
+void ath9k_deinit_device(struct ath_softc *sc)
+{
+ struct ieee80211_hw *hw = sc->hw;
+ int i = 0;
+
+ ath9k_ps_wakeup(sc);
+
+ wiphy_rfkill_stop_polling(sc->hw->wiphy);
+ ath_deinit_leds(sc);
+
+ for (i = 0; i < sc->num_sec_wiphy; i++) {
+ struct ath_wiphy *aphy = sc->sec_wiphy[i];
+ if (aphy == NULL)
+ continue;
+ sc->sec_wiphy[i] = NULL;
+ ieee80211_unregister_hw(aphy->hw);
+ ieee80211_free_hw(aphy->hw);
+ }
+ kfree(sc->sec_wiphy);
+
+ ieee80211_unregister_hw(hw);
+ ath_rx_cleanup(sc);
+ ath_tx_cleanup(sc);
+ ath9k_deinit_softc(sc);
+}
+
+void ath_descdma_cleanup(struct ath_softc *sc,
+ struct ath_descdma *dd,
+ struct list_head *head)
+{
+ dma_free_coherent(sc->dev, dd->dd_desc_len, dd->dd_desc,
+ dd->dd_desc_paddr);
+
+ INIT_LIST_HEAD(head);
+ kfree(dd->dd_bufptr);
+ memset(dd, 0, sizeof(*dd));
+}
+
+/************************/
+/* Module Hooks */
+/************************/
+
+static int __init ath9k_init(void)
+{
+ int error;
+
+ /* Register rate control algorithm */
+ error = ath_rate_control_register();
+ if (error != 0) {
+ printk(KERN_ERR
+ "ath9k: Unable to register rate control "
+ "algorithm: %d\n",
+ error);
+ goto err_out;
+ }
+
+ error = ath9k_debug_create_root();
+ if (error) {
+ printk(KERN_ERR
+ "ath9k: Unable to create debugfs root: %d\n",
+ error);
+ goto err_rate_unregister;
+ }
+
+ error = ath_pci_init();
+ if (error < 0) {
+ printk(KERN_ERR
+ "ath9k: No PCI devices found, driver not installed.\n");
+ error = -ENODEV;
+ goto err_remove_root;
+ }
+
+ error = ath_ahb_init();
+ if (error < 0) {
+ error = -ENODEV;
+ goto err_pci_exit;
+ }
+
+ return 0;
+
+ err_pci_exit:
+ ath_pci_exit();
+
+ err_remove_root:
+ ath9k_debug_remove_root();
+ err_rate_unregister:
+ ath_rate_control_unregister();
+ err_out:
+ return error;
+}
+module_init(ath9k_init);
+
+static void __exit ath9k_exit(void)
+{
+ ath_ahb_exit();
+ ath_pci_exit();
+ ath9k_debug_remove_root();
+ ath_rate_control_unregister();
+ printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
+}
+module_exit(ath9k_exit);
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index e185479e295e..29851e6376a9 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -167,6 +167,40 @@ struct ath_rx_status {
#define ATH9K_RXKEYIX_INVALID ((u8)-1)
#define ATH9K_TXKEYIX_INVALID ((u32)-1)
+enum ath9k_phyerr {
+ ATH9K_PHYERR_UNDERRUN = 0, /* Transmit underrun */
+ ATH9K_PHYERR_TIMING = 1, /* Timing error */
+ ATH9K_PHYERR_PARITY = 2, /* Illegal parity */
+ ATH9K_PHYERR_RATE = 3, /* Illegal rate */
+ ATH9K_PHYERR_LENGTH = 4, /* Illegal length */
+ ATH9K_PHYERR_RADAR = 5, /* Radar detect */
+ ATH9K_PHYERR_SERVICE = 6, /* Illegal service */
+ ATH9K_PHYERR_TOR = 7, /* Transmit override receive */
+
+ ATH9K_PHYERR_OFDM_TIMING = 17,
+ ATH9K_PHYERR_OFDM_SIGNAL_PARITY = 18,
+ ATH9K_PHYERR_OFDM_RATE_ILLEGAL = 19,
+ ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL = 20,
+ ATH9K_PHYERR_OFDM_POWER_DROP = 21,
+ ATH9K_PHYERR_OFDM_SERVICE = 22,
+ ATH9K_PHYERR_OFDM_RESTART = 23,
+ ATH9K_PHYERR_FALSE_RADAR_EXT = 24,
+
+ ATH9K_PHYERR_CCK_TIMING = 25,
+ ATH9K_PHYERR_CCK_HEADER_CRC = 26,
+ ATH9K_PHYERR_CCK_RATE_ILLEGAL = 27,
+ ATH9K_PHYERR_CCK_SERVICE = 30,
+ ATH9K_PHYERR_CCK_RESTART = 31,
+ ATH9K_PHYERR_CCK_LENGTH_ILLEGAL = 32,
+ ATH9K_PHYERR_CCK_POWER_DROP = 33,
+
+ ATH9K_PHYERR_HT_CRC_ERROR = 34,
+ ATH9K_PHYERR_HT_LENGTH_ILLEGAL = 35,
+ ATH9K_PHYERR_HT_RATE_ILLEGAL = 36,
+
+ ATH9K_PHYERR_MAX = 37,
+};
+
struct ath_desc {
u32 ds_link;
u32 ds_data;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 643bea35686f..67ca4e5a6017 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -18,118 +18,6 @@
#include "ath9k.h"
#include "btcoex.h"
-static char *dev_info = "ath9k";
-
-MODULE_AUTHOR("Atheros Communications");
-MODULE_DESCRIPTION("Support for Atheros 802.11n wireless LAN cards.");
-MODULE_SUPPORTED_DEVICE("Atheros 802.11n WLAN cards");
-MODULE_LICENSE("Dual BSD/GPL");
-
-static int modparam_nohwcrypt;
-module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
-MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
-
-static unsigned int ath9k_debug = ATH_DBG_DEFAULT;
-module_param_named(debug, ath9k_debug, uint, 0);
-MODULE_PARM_DESC(debug, "Debugging mask");
-
-/* We use the hw_value as an index into our private channel structure */
-
-#define CHAN2G(_freq, _idx) { \
- .center_freq = (_freq), \
- .hw_value = (_idx), \
- .max_power = 20, \
-}
-
-#define CHAN5G(_freq, _idx) { \
- .band = IEEE80211_BAND_5GHZ, \
- .center_freq = (_freq), \
- .hw_value = (_idx), \
- .max_power = 20, \
-}
-
-/* Some 2 GHz radios are actually tunable on 2312-2732
- * on 5 MHz steps, we support the channels which we know
- * we have calibration data for all cards though to make
- * this static */
-static struct ieee80211_channel ath9k_2ghz_chantable[] = {
- CHAN2G(2412, 0), /* Channel 1 */
- CHAN2G(2417, 1), /* Channel 2 */
- CHAN2G(2422, 2), /* Channel 3 */
- CHAN2G(2427, 3), /* Channel 4 */
- CHAN2G(2432, 4), /* Channel 5 */
- CHAN2G(2437, 5), /* Channel 6 */
- CHAN2G(2442, 6), /* Channel 7 */
- CHAN2G(2447, 7), /* Channel 8 */
- CHAN2G(2452, 8), /* Channel 9 */
- CHAN2G(2457, 9), /* Channel 10 */
- CHAN2G(2462, 10), /* Channel 11 */
- CHAN2G(2467, 11), /* Channel 12 */
- CHAN2G(2472, 12), /* Channel 13 */
- CHAN2G(2484, 13), /* Channel 14 */
-};
-
-/* Some 5 GHz radios are actually tunable on XXXX-YYYY
- * on 5 MHz steps, we support the channels which we know
- * we have calibration data for all cards though to make
- * this static */
-static struct ieee80211_channel ath9k_5ghz_chantable[] = {
- /* _We_ call this UNII 1 */
- CHAN5G(5180, 14), /* Channel 36 */
- CHAN5G(5200, 15), /* Channel 40 */
- CHAN5G(5220, 16), /* Channel 44 */
- CHAN5G(5240, 17), /* Channel 48 */
- /* _We_ call this UNII 2 */
- CHAN5G(5260, 18), /* Channel 52 */
- CHAN5G(5280, 19), /* Channel 56 */
- CHAN5G(5300, 20), /* Channel 60 */
- CHAN5G(5320, 21), /* Channel 64 */
- /* _We_ call this "Middle band" */
- CHAN5G(5500, 22), /* Channel 100 */
- CHAN5G(5520, 23), /* Channel 104 */
- CHAN5G(5540, 24), /* Channel 108 */
- CHAN5G(5560, 25), /* Channel 112 */
- CHAN5G(5580, 26), /* Channel 116 */
- CHAN5G(5600, 27), /* Channel 120 */
- CHAN5G(5620, 28), /* Channel 124 */
- CHAN5G(5640, 29), /* Channel 128 */
- CHAN5G(5660, 30), /* Channel 132 */
- CHAN5G(5680, 31), /* Channel 136 */
- CHAN5G(5700, 32), /* Channel 140 */
- /* _We_ call this UNII 3 */
- CHAN5G(5745, 33), /* Channel 149 */
- CHAN5G(5765, 34), /* Channel 153 */
- CHAN5G(5785, 35), /* Channel 157 */
- CHAN5G(5805, 36), /* Channel 161 */
- CHAN5G(5825, 37), /* Channel 165 */
-};
-
-/* Atheros hardware rate code addition for short premble */
-#define SHPCHECK(__hw_rate, __flags) \
- ((__flags & IEEE80211_RATE_SHORT_PREAMBLE) ? (__hw_rate | 0x04 ) : 0)
-
-#define RATE(_bitrate, _hw_rate, _flags) { \
- .bitrate = (_bitrate), \
- .flags = (_flags), \
- .hw_value = (_hw_rate), \
- .hw_value_short = (SHPCHECK(_hw_rate, _flags)) \
-}
-
-static struct ieee80211_rate ath9k_legacy_rates[] = {
- RATE(10, 0x1b, 0),
- RATE(20, 0x1a, IEEE80211_RATE_SHORT_PREAMBLE),
- RATE(55, 0x19, IEEE80211_RATE_SHORT_PREAMBLE),
- RATE(110, 0x18, IEEE80211_RATE_SHORT_PREAMBLE),
- RATE(60, 0x0b, 0),
- RATE(90, 0x0f, 0),
- RATE(120, 0x0a, 0),
- RATE(180, 0x0e, 0),
- RATE(240, 0x09, 0),
- RATE(360, 0x0d, 0),
- RATE(480, 0x08, 0),
- RATE(540, 0x0c, 0),
-};
-
static void ath_cache_conf_rate(struct ath_softc *sc,
struct ieee80211_conf *conf)
{
@@ -221,7 +109,7 @@ static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc,
return channel;
}
-static bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode)
+bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode)
{
unsigned long flags;
bool ret;
@@ -255,11 +143,13 @@ void ath9k_ps_restore(struct ath_softc *sc)
if (--sc->ps_usecount != 0)
goto unlock;
- if (sc->ps_enabled &&
- !(sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
- SC_OP_WAIT_FOR_CAB |
- SC_OP_WAIT_FOR_PSPOLL_DATA |
- SC_OP_WAIT_FOR_TX_ACK)))
+ if (sc->ps_idle)
+ ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
+ else if (sc->ps_enabled &&
+ !(sc->ps_flags & (PS_WAIT_FOR_BEACON |
+ PS_WAIT_FOR_CAB |
+ PS_WAIT_FOR_PSPOLL_DATA |
+ PS_WAIT_FOR_TX_ACK)))
ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
unlock:
@@ -316,7 +206,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
r = ath9k_hw_reset(ah, hchan, fastcc);
if (r) {
ath_print(common, ATH_DBG_FATAL,
- "Unable to reset channel (%u Mhz) "
+ "Unable to reset channel (%u MHz), "
"reset status %d\n",
channel->center_freq, r);
spin_unlock_bh(&sc->sc_resetlock);
@@ -349,7 +239,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
* When the task is complete, it reschedules itself depending on the
* appropriate interval that was calculated.
*/
-static void ath_ani_calibrate(unsigned long data)
+void ath_ani_calibrate(unsigned long data)
{
struct ath_softc *sc = (struct ath_softc *)data;
struct ath_hw *ah = sc->sc_ah;
@@ -363,14 +253,6 @@ static void ath_ani_calibrate(unsigned long data)
short_cal_interval = (ah->opmode == NL80211_IFTYPE_AP) ?
ATH_AP_SHORT_CALINTERVAL : ATH_STA_SHORT_CALINTERVAL;
- /*
- * don't calibrate when we're scanning.
- * we are most likely not on our home channel.
- */
- spin_lock(&sc->ani_lock);
- if (sc->sc_flags & SC_OP_SCANNING)
- goto set_timer;
-
/* Only calibrate if awake */
if (sc->sc_ah->power_mode != ATH9K_PM_AWAKE)
goto set_timer;
@@ -437,7 +319,6 @@ static void ath_ani_calibrate(unsigned long data)
ath9k_ps_restore(sc);
set_timer:
- spin_unlock(&sc->ani_lock);
/*
* Set timer interval based on previous results.
* The interval must be the shortest necessary to satisfy ANI,
@@ -513,7 +394,7 @@ static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta)
ath_tx_node_cleanup(sc, an);
}
-static void ath9k_tasklet(unsigned long data)
+void ath9k_tasklet(unsigned long data)
{
struct ath_softc *sc = (struct ath_softc *)data;
struct ath_hw *ah = sc->sc_ah;
@@ -545,7 +426,7 @@ static void ath9k_tasklet(unsigned long data)
*/
ath_print(common, ATH_DBG_PS,
"TSFOOR - Sync with next Beacon\n");
- sc->sc_flags |= SC_OP_WAIT_FOR_BEACON | SC_OP_BEACON_SYNC;
+ sc->ps_flags |= PS_WAIT_FOR_BEACON | PS_BEACON_SYNC;
}
if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
@@ -646,7 +527,7 @@ irqreturn_t ath_isr(int irq, void *dev)
* receive frames */
ath9k_setpower(sc, ATH9K_PM_AWAKE);
ath9k_hw_setrxabort(sc->sc_ah, 0);
- sc->sc_flags |= SC_OP_WAIT_FOR_BEACON;
+ sc->ps_flags |= PS_WAIT_FOR_BEACON;
}
chip_reset:
@@ -928,49 +809,12 @@ static void ath_key_delete(struct ath_common *common, struct ieee80211_key_conf
clear_bit(key->hw_key_idx + 64, common->keymap);
if (common->splitmic) {
+ ath9k_hw_keyreset(ah, key->hw_key_idx + 32);
clear_bit(key->hw_key_idx + 32, common->keymap);
clear_bit(key->hw_key_idx + 64 + 32, common->keymap);
}
}
-static void setup_ht_cap(struct ath_softc *sc,
- struct ieee80211_sta_ht_cap *ht_info)
-{
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- u8 tx_streams, rx_streams;
-
- ht_info->ht_supported = true;
- ht_info->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
- IEEE80211_HT_CAP_SM_PS |
- IEEE80211_HT_CAP_SGI_40 |
- IEEE80211_HT_CAP_DSSSCCK40;
-
- ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
- ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
-
- /* set up supported mcs set */
- memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
- tx_streams = !(common->tx_chainmask & (common->tx_chainmask - 1)) ?
- 1 : 2;
- rx_streams = !(common->rx_chainmask & (common->rx_chainmask - 1)) ?
- 1 : 2;
-
- if (tx_streams != rx_streams) {
- ath_print(common, ATH_DBG_CONFIG,
- "TX streams %d, RX streams: %d\n",
- tx_streams, rx_streams);
- ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
- ht_info->mcs.tx_params |= ((tx_streams - 1) <<
- IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
- }
-
- ht_info->mcs.rx_mask[0] = 0xff;
- if (rx_streams >= 2)
- ht_info->mcs.rx_mask[1] = 0xff;
-
- ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
-}
-
static void ath9k_bss_assoc_info(struct ath_softc *sc,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf)
@@ -992,7 +836,7 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
* on the receipt of the first Beacon frame (i.e.,
* after time sync with the AP).
*/
- sc->sc_flags |= SC_OP_BEACON_SYNC;
+ sc->ps_flags |= PS_BEACON_SYNC;
/* Configure the beacon */
ath_beacon_config(sc, vif);
@@ -1009,174 +853,6 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
}
}
-/********************************/
-/* LED functions */
-/********************************/
-
-static void ath_led_blink_work(struct work_struct *work)
-{
- struct ath_softc *sc = container_of(work, struct ath_softc,
- ath_led_blink_work.work);
-
- if (!(sc->sc_flags & SC_OP_LED_ASSOCIATED))
- return;
-
- if ((sc->led_on_duration == ATH_LED_ON_DURATION_IDLE) ||
- (sc->led_off_duration == ATH_LED_OFF_DURATION_IDLE))
- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
- else
- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin,
- (sc->sc_flags & SC_OP_LED_ON) ? 1 : 0);
-
- ieee80211_queue_delayed_work(sc->hw,
- &sc->ath_led_blink_work,
- (sc->sc_flags & SC_OP_LED_ON) ?
- msecs_to_jiffies(sc->led_off_duration) :
- msecs_to_jiffies(sc->led_on_duration));
-
- sc->led_on_duration = sc->led_on_cnt ?
- max((ATH_LED_ON_DURATION_IDLE - sc->led_on_cnt), 25) :
- ATH_LED_ON_DURATION_IDLE;
- sc->led_off_duration = sc->led_off_cnt ?
- max((ATH_LED_OFF_DURATION_IDLE - sc->led_off_cnt), 10) :
- ATH_LED_OFF_DURATION_IDLE;
- sc->led_on_cnt = sc->led_off_cnt = 0;
- if (sc->sc_flags & SC_OP_LED_ON)
- sc->sc_flags &= ~SC_OP_LED_ON;
- else
- sc->sc_flags |= SC_OP_LED_ON;
-}
-
-static void ath_led_brightness(struct led_classdev *led_cdev,
- enum led_brightness brightness)
-{
- struct ath_led *led = container_of(led_cdev, struct ath_led, led_cdev);
- struct ath_softc *sc = led->sc;
-
- switch (brightness) {
- case LED_OFF:
- if (led->led_type == ATH_LED_ASSOC ||
- led->led_type == ATH_LED_RADIO) {
- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin,
- (led->led_type == ATH_LED_RADIO));
- sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
- if (led->led_type == ATH_LED_RADIO)
- sc->sc_flags &= ~SC_OP_LED_ON;
- } else {
- sc->led_off_cnt++;
- }
- break;
- case LED_FULL:
- if (led->led_type == ATH_LED_ASSOC) {
- sc->sc_flags |= SC_OP_LED_ASSOCIATED;
- ieee80211_queue_delayed_work(sc->hw,
- &sc->ath_led_blink_work, 0);
- } else if (led->led_type == ATH_LED_RADIO) {
- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
- sc->sc_flags |= SC_OP_LED_ON;
- } else {
- sc->led_on_cnt++;
- }
- break;
- default:
- break;
- }
-}
-
-static int ath_register_led(struct ath_softc *sc, struct ath_led *led,
- char *trigger)
-{
- int ret;
-
- led->sc = sc;
- led->led_cdev.name = led->name;
- led->led_cdev.default_trigger = trigger;
- led->led_cdev.brightness_set = ath_led_brightness;
-
- ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &led->led_cdev);
- if (ret)
- ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
- "Failed to register led:%s", led->name);
- else
- led->registered = 1;
- return ret;
-}
-
-static void ath_unregister_led(struct ath_led *led)
-{
- if (led->registered) {
- led_classdev_unregister(&led->led_cdev);
- led->registered = 0;
- }
-}
-
-static void ath_deinit_leds(struct ath_softc *sc)
-{
- ath_unregister_led(&sc->assoc_led);
- sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
- ath_unregister_led(&sc->tx_led);
- ath_unregister_led(&sc->rx_led);
- ath_unregister_led(&sc->radio_led);
- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
-}
-
-static void ath_init_leds(struct ath_softc *sc)
-{
- char *trigger;
- int ret;
-
- if (AR_SREV_9287(sc->sc_ah))
- sc->sc_ah->led_pin = ATH_LED_PIN_9287;
- else
- sc->sc_ah->led_pin = ATH_LED_PIN_DEF;
-
- /* Configure gpio 1 for output */
- ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
- AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
- /* LED off, active low */
- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
-
- INIT_DELAYED_WORK(&sc->ath_led_blink_work, ath_led_blink_work);
-
- trigger = ieee80211_get_radio_led_name(sc->hw);
- snprintf(sc->radio_led.name, sizeof(sc->radio_led.name),
- "ath9k-%s::radio", wiphy_name(sc->hw->wiphy));
- ret = ath_register_led(sc, &sc->radio_led, trigger);
- sc->radio_led.led_type = ATH_LED_RADIO;
- if (ret)
- goto fail;
-
- trigger = ieee80211_get_assoc_led_name(sc->hw);
- snprintf(sc->assoc_led.name, sizeof(sc->assoc_led.name),
- "ath9k-%s::assoc", wiphy_name(sc->hw->wiphy));
- ret = ath_register_led(sc, &sc->assoc_led, trigger);
- sc->assoc_led.led_type = ATH_LED_ASSOC;
- if (ret)
- goto fail;
-
- trigger = ieee80211_get_tx_led_name(sc->hw);
- snprintf(sc->tx_led.name, sizeof(sc->tx_led.name),
- "ath9k-%s::tx", wiphy_name(sc->hw->wiphy));
- ret = ath_register_led(sc, &sc->tx_led, trigger);
- sc->tx_led.led_type = ATH_LED_TX;
- if (ret)
- goto fail;
-
- trigger = ieee80211_get_rx_led_name(sc->hw);
- snprintf(sc->rx_led.name, sizeof(sc->rx_led.name),
- "ath9k-%s::rx", wiphy_name(sc->hw->wiphy));
- ret = ath_register_led(sc, &sc->rx_led, trigger);
- sc->rx_led.led_type = ATH_LED_RX;
- if (ret)
- goto fail;
-
- return;
-
-fail:
- cancel_delayed_work_sync(&sc->ath_led_blink_work);
- ath_deinit_leds(sc);
-}
-
void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
{
struct ath_hw *ah = sc->sc_ah;
@@ -1194,7 +870,7 @@ void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
r = ath9k_hw_reset(ah, ah->curchan, false);
if (r) {
ath_print(common, ATH_DBG_FATAL,
- "Unable to reset channel %u (%uMhz) ",
+ "Unable to reset channel (%u MHz), "
"reset status %d\n",
channel->center_freq, r);
}
@@ -1249,7 +925,7 @@ void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw)
r = ath9k_hw_reset(ah, ah->curchan, false);
if (r) {
ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
- "Unable to reset channel %u (%uMhz) "
+ "Unable to reset channel (%u MHz), "
"reset status %d\n",
channel->center_freq, r);
}
@@ -1261,711 +937,6 @@ void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw)
ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP);
}
-/*******************/
-/* Rfkill */
-/*******************/
-
-static bool ath_is_rfkill_set(struct ath_softc *sc)
-{
- struct ath_hw *ah = sc->sc_ah;
-
- return ath9k_hw_gpio_get(ah, ah->rfkill_gpio) ==
- ah->rfkill_polarity;
-}
-
-static void ath9k_rfkill_poll_state(struct ieee80211_hw *hw)
-{
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
- bool blocked = !!ath_is_rfkill_set(sc);
-
- wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
-}
-
-static void ath_start_rfkill_poll(struct ath_softc *sc)
-{
- struct ath_hw *ah = sc->sc_ah;
-
- if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
- wiphy_rfkill_start_polling(sc->hw->wiphy);
-}
-
-static void ath9k_uninit_hw(struct ath_softc *sc)
-{
- struct ath_hw *ah = sc->sc_ah;
-
- BUG_ON(!ah);
-
- ath9k_exit_debug(ah);
- ath9k_hw_detach(ah);
- sc->sc_ah = NULL;
-}
-
-static void ath_clean_core(struct ath_softc *sc)
-{
- struct ieee80211_hw *hw = sc->hw;
- struct ath_hw *ah = sc->sc_ah;
- int i = 0;
-
- ath9k_ps_wakeup(sc);
-
- dev_dbg(sc->dev, "Detach ATH hw\n");
-
- ath_deinit_leds(sc);
- wiphy_rfkill_stop_polling(sc->hw->wiphy);
-
- for (i = 0; i < sc->num_sec_wiphy; i++) {
- struct ath_wiphy *aphy = sc->sec_wiphy[i];
- if (aphy == NULL)
- continue;
- sc->sec_wiphy[i] = NULL;
- ieee80211_unregister_hw(aphy->hw);
- ieee80211_free_hw(aphy->hw);
- }
- ieee80211_unregister_hw(hw);
- ath_rx_cleanup(sc);
- ath_tx_cleanup(sc);
-
- tasklet_kill(&sc->intr_tq);
- tasklet_kill(&sc->bcon_tasklet);
-
- if (!(sc->sc_flags & SC_OP_INVALID))
- ath9k_setpower(sc, ATH9K_PM_AWAKE);
-
- /* cleanup tx queues */
- for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
- if (ATH_TXQ_SETUP(sc, i))
- ath_tx_cleanupq(sc, &sc->tx.txq[i]);
-
- if ((sc->btcoex.no_stomp_timer) &&
- ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
- ath_gen_timer_free(ah, sc->btcoex.no_stomp_timer);
-}
-
-void ath_detach(struct ath_softc *sc)
-{
- ath_clean_core(sc);
- ath9k_uninit_hw(sc);
-}
-
-void ath_cleanup(struct ath_softc *sc)
-{
- struct ath_hw *ah = sc->sc_ah;
- struct ath_common *common = ath9k_hw_common(ah);
-
- ath_clean_core(sc);
- free_irq(sc->irq, sc);
- ath_bus_cleanup(common);
- kfree(sc->sec_wiphy);
- ieee80211_free_hw(sc->hw);
-
- ath9k_uninit_hw(sc);
-}
-
-static int ath9k_reg_notifier(struct wiphy *wiphy,
- struct regulatory_request *request)
-{
- struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
- struct ath_wiphy *aphy = hw->priv;
- struct ath_softc *sc = aphy->sc;
- struct ath_regulatory *reg = ath9k_hw_regulatory(sc->sc_ah);
-
- return ath_reg_notifier_apply(wiphy, request, reg);
-}
-
-/*
- * Detects if there is any priority bt traffic
- */
-static void ath_detect_bt_priority(struct ath_softc *sc)
-{
- struct ath_btcoex *btcoex = &sc->btcoex;
- struct ath_hw *ah = sc->sc_ah;
-
- if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_hw.btpriority_gpio))
- btcoex->bt_priority_cnt++;
-
- if (time_after(jiffies, btcoex->bt_priority_time +
- msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
- if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
- ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_BTCOEX,
- "BT priority traffic detected");
- sc->sc_flags |= SC_OP_BT_PRIORITY_DETECTED;
- } else {
- sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
- }
-
- btcoex->bt_priority_cnt = 0;
- btcoex->bt_priority_time = jiffies;
- }
-}
-
-/*
- * Configures appropriate weight based on stomp type.
- */
-static void ath9k_btcoex_bt_stomp(struct ath_softc *sc,
- enum ath_stomp_type stomp_type)
-{
- struct ath_hw *ah = sc->sc_ah;
-
- switch (stomp_type) {
- case ATH_BTCOEX_STOMP_ALL:
- ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
- AR_STOMP_ALL_WLAN_WGHT);
- break;
- case ATH_BTCOEX_STOMP_LOW:
- ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
- AR_STOMP_LOW_WLAN_WGHT);
- break;
- case ATH_BTCOEX_STOMP_NONE:
- ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
- AR_STOMP_NONE_WLAN_WGHT);
- break;
- default:
- ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
- "Invalid Stomptype\n");
- break;
- }
-
- ath9k_hw_btcoex_enable(ah);
-}
-
-static void ath9k_gen_timer_start(struct ath_hw *ah,
- struct ath_gen_timer *timer,
- u32 timer_next,
- u32 timer_period)
-{
- struct ath_common *common = ath9k_hw_common(ah);
- struct ath_softc *sc = (struct ath_softc *) common->priv;
-
- ath9k_hw_gen_timer_start(ah, timer, timer_next, timer_period);
-
- if ((sc->imask & ATH9K_INT_GENTIMER) == 0) {
- ath9k_hw_set_interrupts(ah, 0);
- sc->imask |= ATH9K_INT_GENTIMER;
- ath9k_hw_set_interrupts(ah, sc->imask);
- }
-}
-
-static void ath9k_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
-{
- struct ath_common *common = ath9k_hw_common(ah);
- struct ath_softc *sc = (struct ath_softc *) common->priv;
- 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_set_interrupts(ah, 0);
- sc->imask &= ~ATH9K_INT_GENTIMER;
- ath9k_hw_set_interrupts(ah, sc->imask);
- }
-}
-
-/*
- * This is the master bt coex timer which runs for every
- * 45ms, bt traffic will be given priority during 55% of this
- * period while wlan gets remaining 45%
- */
-static void ath_btcoex_period_timer(unsigned long data)
-{
- struct ath_softc *sc = (struct ath_softc *) data;
- struct ath_hw *ah = sc->sc_ah;
- struct ath_btcoex *btcoex = &sc->btcoex;
-
- ath_detect_bt_priority(sc);
-
- spin_lock_bh(&btcoex->btcoex_lock);
-
- ath9k_btcoex_bt_stomp(sc, btcoex->bt_stomp_type);
-
- spin_unlock_bh(&btcoex->btcoex_lock);
-
- if (btcoex->btcoex_period != 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,
- (ath9k_hw_gettsf32(ah) +
- btcoex->btcoex_no_stomp),
- btcoex->btcoex_no_stomp * 10);
- btcoex->hw_timer_enabled = true;
- }
-
- mod_timer(&btcoex->period_timer, jiffies +
- msecs_to_jiffies(ATH_BTCOEX_DEF_BT_PERIOD));
-}
-
-/*
- * 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)
-{
- struct ath_softc *sc = (struct ath_softc *)arg;
- struct ath_hw *ah = sc->sc_ah;
- struct ath_btcoex *btcoex = &sc->btcoex;
-
- ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
- "no stomp timer running \n");
-
- spin_lock_bh(&btcoex->btcoex_lock);
-
- if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW)
- ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_NONE);
- else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
- ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_LOW);
-
- spin_unlock_bh(&btcoex->btcoex_lock);
-}
-
-static int ath_init_btcoex_timer(struct ath_softc *sc)
-{
- struct ath_btcoex *btcoex = &sc->btcoex;
-
- btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 1000;
- btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
- btcoex->btcoex_period / 100;
-
- setup_timer(&btcoex->period_timer, ath_btcoex_period_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;
-}
-
-/*
- * Read and write, they both share the same lock. We do this to serialize
- * reads and writes on Atheros 802.11n PCI devices only. This is required
- * as the FIFO on these devices can only accept sanely 2 requests. After
- * that the device goes bananas. Serializing the reads/writes prevents this
- * from happening.
- */
-
-static void ath9k_iowrite32(void *hw_priv, u32 val, u32 reg_offset)
-{
- struct ath_hw *ah = (struct ath_hw *) hw_priv;
- struct ath_common *common = ath9k_hw_common(ah);
- struct ath_softc *sc = (struct ath_softc *) common->priv;
-
- if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
- unsigned long flags;
- spin_lock_irqsave(&sc->sc_serial_rw, flags);
- iowrite32(val, sc->mem + reg_offset);
- spin_unlock_irqrestore(&sc->sc_serial_rw, flags);
- } else
- iowrite32(val, sc->mem + reg_offset);
-}
-
-static unsigned int ath9k_ioread32(void *hw_priv, u32 reg_offset)
-{
- struct ath_hw *ah = (struct ath_hw *) hw_priv;
- struct ath_common *common = ath9k_hw_common(ah);
- struct ath_softc *sc = (struct ath_softc *) common->priv;
- u32 val;
-
- if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
- unsigned long flags;
- spin_lock_irqsave(&sc->sc_serial_rw, flags);
- val = ioread32(sc->mem + reg_offset);
- spin_unlock_irqrestore(&sc->sc_serial_rw, flags);
- } else
- val = ioread32(sc->mem + reg_offset);
- return val;
-}
-
-static const struct ath_ops ath9k_common_ops = {
- .read = ath9k_ioread32,
- .write = ath9k_iowrite32,
-};
-
-/*
- * Initialize and fill ath_softc, ath_sofct is the
- * "Software Carrier" struct. Historically it has existed
- * to allow the separation between hardware specific
- * variables (now in ath_hw) and driver specific variables.
- */
-static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
- const struct ath_bus_ops *bus_ops)
-{
- struct ath_hw *ah = NULL;
- struct ath_common *common;
- int r = 0, i;
- int csz = 0;
- int qnum;
-
- /* XXX: hardware will not be ready until ath_open() being called */
- sc->sc_flags |= SC_OP_INVALID;
-
- spin_lock_init(&sc->wiphy_lock);
- spin_lock_init(&sc->sc_resetlock);
- spin_lock_init(&sc->sc_serial_rw);
- spin_lock_init(&sc->ani_lock);
- spin_lock_init(&sc->sc_pm_lock);
- mutex_init(&sc->mutex);
- tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
- tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,
- (unsigned long)sc);
-
- ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL);
- if (!ah)
- return -ENOMEM;
-
- ah->hw_version.devid = devid;
- ah->hw_version.subsysid = subsysid;
- sc->sc_ah = ah;
-
- common = ath9k_hw_common(ah);
- common->ops = &ath9k_common_ops;
- common->bus_ops = bus_ops;
- common->ah = ah;
- common->hw = sc->hw;
- common->priv = sc;
- common->debug_mask = ath9k_debug;
-
- /*
- * Cache line size is used to size and align various
- * structures used to communicate with the hardware.
- */
- ath_read_cachesize(common, &csz);
- /* XXX assert csz is non-zero */
- common->cachelsz = csz << 2; /* convert to bytes */
-
- r = ath9k_hw_init(ah);
- if (r) {
- ath_print(common, ATH_DBG_FATAL,
- "Unable to initialize hardware; "
- "initialization status: %d\n", r);
- goto bad_free_hw;
- }
-
- if (ath9k_init_debug(ah) < 0) {
- ath_print(common, ATH_DBG_FATAL,
- "Unable to create debugfs files\n");
- goto bad_free_hw;
- }
-
- /* Get the hardware key cache size. */
- common->keymax = ah->caps.keycache_size;
- if (common->keymax > ATH_KEYMAX) {
- ath_print(common, ATH_DBG_ANY,
- "Warning, using only %u entries in %u key cache\n",
- ATH_KEYMAX, common->keymax);
- common->keymax = ATH_KEYMAX;
- }
-
- /*
- * Reset the key cache since some parts do not
- * reset the contents on initial power up.
- */
- for (i = 0; i < common->keymax; i++)
- ath9k_hw_keyreset(ah, (u16) i);
-
- /* default to MONITOR mode */
- sc->sc_ah->opmode = NL80211_IFTYPE_MONITOR;
-
- /*
- * Allocate hardware transmit queues: one queue for
- * beacon frames and one data queue for each QoS
- * priority. Note that the hal handles reseting
- * these queues at the needed time.
- */
- sc->beacon.beaconq = ath9k_hw_beaconq_setup(ah);
- if (sc->beacon.beaconq == -1) {
- ath_print(common, ATH_DBG_FATAL,
- "Unable to setup a beacon xmit queue\n");
- r = -EIO;
- goto bad2;
- }
- sc->beacon.cabq = ath_txq_setup(sc, ATH9K_TX_QUEUE_CAB, 0);
- if (sc->beacon.cabq == NULL) {
- ath_print(common, ATH_DBG_FATAL,
- "Unable to setup CAB xmit queue\n");
- r = -EIO;
- goto bad2;
- }
-
- sc->config.cabqReadytime = ATH_CABQ_READY_TIME;
- ath_cabq_update(sc);
-
- for (i = 0; i < ARRAY_SIZE(sc->tx.hwq_map); i++)
- sc->tx.hwq_map[i] = -1;
-
- /* Setup data queues */
- /* NB: ensure BK queue is the lowest priority h/w queue */
- if (!ath_tx_setup(sc, ATH9K_WME_AC_BK)) {
- ath_print(common, ATH_DBG_FATAL,
- "Unable to setup xmit queue for BK traffic\n");
- r = -EIO;
- goto bad2;
- }
-
- if (!ath_tx_setup(sc, ATH9K_WME_AC_BE)) {
- ath_print(common, ATH_DBG_FATAL,
- "Unable to setup xmit queue for BE traffic\n");
- r = -EIO;
- goto bad2;
- }
- if (!ath_tx_setup(sc, ATH9K_WME_AC_VI)) {
- ath_print(common, ATH_DBG_FATAL,
- "Unable to setup xmit queue for VI traffic\n");
- r = -EIO;
- goto bad2;
- }
- if (!ath_tx_setup(sc, ATH9K_WME_AC_VO)) {
- ath_print(common, ATH_DBG_FATAL,
- "Unable to setup xmit queue for VO traffic\n");
- r = -EIO;
- goto bad2;
- }
-
- /* Initializes the noise floor to a reasonable default value.
- * Later on this will be updated during ANI processing. */
-
- common->ani.noise_floor = ATH_DEFAULT_NOISE_FLOOR;
- setup_timer(&common->ani.timer, ath_ani_calibrate, (unsigned long)sc);
-
- if (ath9k_hw_getcapability(ah, ATH9K_CAP_CIPHER,
- ATH9K_CIPHER_TKIP, NULL)) {
- /*
- * Whether we should enable h/w TKIP MIC.
- * XXX: if we don't support WME TKIP MIC, then we wouldn't
- * report WMM capable, so it's always safe to turn on
- * TKIP MIC in this case.
- */
- ath9k_hw_setcapability(sc->sc_ah, ATH9K_CAP_TKIP_MIC,
- 0, 1, NULL);
- }
-
- /*
- * Check whether the separate key cache entries
- * are required to handle both tx+rx MIC keys.
- * With split mic keys the number of stations is limited
- * to 27 otherwise 59.
- */
- if (ath9k_hw_getcapability(ah, ATH9K_CAP_CIPHER,
- ATH9K_CIPHER_TKIP, NULL)
- && ath9k_hw_getcapability(ah, ATH9K_CAP_CIPHER,
- ATH9K_CIPHER_MIC, NULL)
- && ath9k_hw_getcapability(ah, ATH9K_CAP_TKIP_SPLIT,
- 0, NULL))
- common->splitmic = 1;
-
- /* turn on mcast key search if possible */
- if (!ath9k_hw_getcapability(ah, ATH9K_CAP_MCAST_KEYSRCH, 0, NULL))
- (void)ath9k_hw_setcapability(ah, ATH9K_CAP_MCAST_KEYSRCH, 1,
- 1, NULL);
-
- sc->config.txpowlimit = ATH_TXPOWER_MAX;
-
- /* 11n Capabilities */
- if (ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
- sc->sc_flags |= SC_OP_TXAGGR;
- sc->sc_flags |= SC_OP_RXAGGR;
- }
-
- common->tx_chainmask = ah->caps.tx_chainmask;
- common->rx_chainmask = ah->caps.rx_chainmask;
-
- ath9k_hw_setcapability(ah, ATH9K_CAP_DIVERSITY, 1, true, NULL);
- sc->rx.defant = ath9k_hw_getdefantenna(ah);
-
- if (ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK)
- memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
-
- sc->beacon.slottime = ATH9K_SLOT_TIME_9; /* default to short slot time */
-
- /* initialize beacon slots */
- for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) {
- sc->beacon.bslot[i] = NULL;
- sc->beacon.bslot_aphy[i] = NULL;
- }
-
- /* setup channels and rates */
-
- if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes)) {
- sc->sbands[IEEE80211_BAND_2GHZ].channels = ath9k_2ghz_chantable;
- sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
- sc->sbands[IEEE80211_BAND_2GHZ].n_channels =
- ARRAY_SIZE(ath9k_2ghz_chantable);
- sc->sbands[IEEE80211_BAND_2GHZ].bitrates = ath9k_legacy_rates;
- sc->sbands[IEEE80211_BAND_2GHZ].n_bitrates =
- ARRAY_SIZE(ath9k_legacy_rates);
- }
-
- if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes)) {
- sc->sbands[IEEE80211_BAND_5GHZ].channels = ath9k_5ghz_chantable;
- sc->sbands[IEEE80211_BAND_5GHZ].band = IEEE80211_BAND_5GHZ;
- sc->sbands[IEEE80211_BAND_5GHZ].n_channels =
- ARRAY_SIZE(ath9k_5ghz_chantable);
- sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
- ath9k_legacy_rates + 4;
- sc->sbands[IEEE80211_BAND_5GHZ].n_bitrates =
- ARRAY_SIZE(ath9k_legacy_rates) - 4;
- }
-
- switch (ah->btcoex_hw.scheme) {
- case ATH_BTCOEX_CFG_NONE:
- break;
- case ATH_BTCOEX_CFG_2WIRE:
- ath9k_hw_btcoex_init_2wire(ah);
- break;
- case ATH_BTCOEX_CFG_3WIRE:
- ath9k_hw_btcoex_init_3wire(ah);
- r = ath_init_btcoex_timer(sc);
- if (r)
- goto bad2;
- qnum = ath_tx_get_qnum(sc, ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BE);
- ath9k_hw_init_btcoex_hw(ah, qnum);
- sc->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
- break;
- default:
- WARN_ON(1);
- break;
- }
-
- return 0;
-bad2:
- /* cleanup tx queues */
- for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
- if (ATH_TXQ_SETUP(sc, i))
- ath_tx_cleanupq(sc, &sc->tx.txq[i]);
-
-bad_free_hw:
- ath9k_uninit_hw(sc);
- return r;
-}
-
-void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
-{
- hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
- IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
- IEEE80211_HW_SIGNAL_DBM |
- IEEE80211_HW_AMPDU_AGGREGATION |
- IEEE80211_HW_SUPPORTS_PS |
- IEEE80211_HW_PS_NULLFUNC_STACK |
- IEEE80211_HW_SPECTRUM_MGMT;
-
- if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || modparam_nohwcrypt)
- hw->flags |= IEEE80211_HW_MFP_CAPABLE;
-
- hw->wiphy->interface_modes =
- BIT(NL80211_IFTYPE_AP) |
- BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_ADHOC) |
- BIT(NL80211_IFTYPE_MESH_POINT);
-
- hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
-
- hw->queues = 4;
- hw->max_rates = 4;
- hw->channel_change_time = 5000;
- hw->max_listen_interval = 10;
- /* Hardware supports 10 but we use 4 */
- hw->max_rate_tries = 4;
- hw->sta_data_size = sizeof(struct ath_node);
- hw->vif_data_size = sizeof(struct ath_vif);
-
- hw->rate_control_algorithm = "ath9k_rate_control";
-
- if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes))
- hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
- &sc->sbands[IEEE80211_BAND_2GHZ];
- if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
- hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
- &sc->sbands[IEEE80211_BAND_5GHZ];
-}
-
-/* Device driver core initialization */
-int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
- const struct ath_bus_ops *bus_ops)
-{
- struct ieee80211_hw *hw = sc->hw;
- struct ath_common *common;
- struct ath_hw *ah;
- int error = 0, i;
- struct ath_regulatory *reg;
-
- dev_dbg(sc->dev, "Attach ATH hw\n");
-
- error = ath_init_softc(devid, sc, subsysid, bus_ops);
- if (error != 0)
- return error;
-
- ah = sc->sc_ah;
- common = ath9k_hw_common(ah);
-
- /* get mac address from hardware and set in mac80211 */
-
- SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
-
- ath_set_hw_capab(sc, hw);
-
- error = ath_regd_init(&common->regulatory, sc->hw->wiphy,
- ath9k_reg_notifier);
- if (error)
- return error;
-
- reg = &common->regulatory;
-
- if (ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
- if (test_bit(ATH9K_MODE_11G, ah->caps.wireless_modes))
- setup_ht_cap(sc,
- &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
- if (test_bit(ATH9K_MODE_11A, ah->caps.wireless_modes))
- setup_ht_cap(sc,
- &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
- }
-
- /* initialize tx/rx engine */
- error = ath_tx_init(sc, ATH_TXBUF);
- if (error != 0)
- goto error_attach;
-
- error = ath_rx_init(sc, ATH_RXBUF);
- if (error != 0)
- goto error_attach;
-
- INIT_WORK(&sc->chan_work, ath9k_wiphy_chan_work);
- INIT_DELAYED_WORK(&sc->wiphy_work, ath9k_wiphy_work);
- sc->wiphy_scheduler_int = msecs_to_jiffies(500);
-
- error = ieee80211_register_hw(hw);
-
- if (!ath_is_world_regd(reg)) {
- error = regulatory_hint(hw->wiphy, reg->alpha2);
- if (error)
- goto error_attach;
- }
-
- /* Initialize LED control */
- ath_init_leds(sc);
-
- ath_start_rfkill_poll(sc);
-
- return 0;
-
-error_attach:
- /* cleanup tx queues */
- for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
- if (ATH_TXQ_SETUP(sc, i))
- ath_tx_cleanupq(sc, &sc->tx.txq[i]);
-
- ath9k_uninit_hw(sc);
-
- return error;
-}
-
int ath_reset(struct ath_softc *sc, bool retry_tx)
{
struct ath_hw *ah = sc->sc_ah;
@@ -1976,6 +947,8 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
/* Stop ANI */
del_timer_sync(&common->ani.timer);
+ ieee80211_stop_queues(hw);
+
ath9k_hw_set_interrupts(ah, 0);
ath_drain_all_txq(sc, retry_tx);
ath_stoprecv(sc);
@@ -2017,131 +990,14 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
}
}
+ ieee80211_wake_queues(hw);
+
/* Start ANI */
ath_start_ani(common);
return r;
}
-/*
- * This function will allocate both the DMA descriptor structure, and the
- * buffers it contains. These are used to contain the descriptors used
- * by the system.
-*/
-int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
- struct list_head *head, const char *name,
- int nbuf, int ndesc)
-{
-#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)
-#define ATH_DESC_4KB_BOUND_NUM_SKIPPED(_len) ((_len) / 4096)
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- struct ath_desc *ds;
- struct ath_buf *bf;
- int i, bsize, error;
-
- ath_print(common, ATH_DBG_CONFIG, "%s DMA: %u buffers %u desc/buf\n",
- name, nbuf, ndesc);
-
- INIT_LIST_HEAD(head);
- /* ath_desc must be a multiple of DWORDs */
- if ((sizeof(struct ath_desc) % 4) != 0) {
- ath_print(common, ATH_DBG_FATAL,
- "ath_desc not DWORD aligned\n");
- BUG_ON((sizeof(struct ath_desc) % 4) != 0);
- error = -ENOMEM;
- goto fail;
- }
-
- dd->dd_desc_len = sizeof(struct ath_desc) * nbuf * ndesc;
-
- /*
- * Need additional DMA memory because we can't use
- * descriptors that cross the 4K page boundary. Assume
- * one skipped descriptor per 4K page.
- */
- if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_4KB_SPLITTRANS)) {
- u32 ndesc_skipped =
- ATH_DESC_4KB_BOUND_NUM_SKIPPED(dd->dd_desc_len);
- u32 dma_len;
-
- while (ndesc_skipped) {
- dma_len = ndesc_skipped * sizeof(struct ath_desc);
- dd->dd_desc_len += dma_len;
-
- ndesc_skipped = ATH_DESC_4KB_BOUND_NUM_SKIPPED(dma_len);
- };
- }
-
- /* allocate descriptors */
- dd->dd_desc = dma_alloc_coherent(sc->dev, dd->dd_desc_len,
- &dd->dd_desc_paddr, GFP_KERNEL);
- if (dd->dd_desc == NULL) {
- error = -ENOMEM;
- goto fail;
- }
- ds = dd->dd_desc;
- ath_print(common, ATH_DBG_CONFIG, "%s DMA map: %p (%u) -> %llx (%u)\n",
- name, ds, (u32) dd->dd_desc_len,
- ito64(dd->dd_desc_paddr), /*XXX*/(u32) dd->dd_desc_len);
-
- /* allocate buffers */
- bsize = sizeof(struct ath_buf) * nbuf;
- bf = kzalloc(bsize, GFP_KERNEL);
- if (bf == NULL) {
- error = -ENOMEM;
- goto fail2;
- }
- dd->dd_bufptr = bf;
-
- for (i = 0; i < nbuf; i++, bf++, ds += ndesc) {
- bf->bf_desc = ds;
- bf->bf_daddr = DS2PHYS(dd, ds);
-
- if (!(sc->sc_ah->caps.hw_caps &
- ATH9K_HW_CAP_4KB_SPLITTRANS)) {
- /*
- * Skip descriptor addresses which can cause 4KB
- * boundary crossing (addr + length) with a 32 dword
- * descriptor fetch.
- */
- while (ATH_DESC_4KB_BOUND_CHECK(bf->bf_daddr)) {
- BUG_ON((caddr_t) bf->bf_desc >=
- ((caddr_t) dd->dd_desc +
- dd->dd_desc_len));
-
- ds += ndesc;
- bf->bf_desc = ds;
- bf->bf_daddr = DS2PHYS(dd, ds);
- }
- }
- list_add_tail(&bf->list, head);
- }
- return 0;
-fail2:
- dma_free_coherent(sc->dev, dd->dd_desc_len, dd->dd_desc,
- dd->dd_desc_paddr);
-fail:
- memset(dd, 0, sizeof(*dd));
- return error;
-#undef ATH_DESC_4KB_BOUND_CHECK
-#undef ATH_DESC_4KB_BOUND_NUM_SKIPPED
-#undef DS2PHYS
-}
-
-void ath_descdma_cleanup(struct ath_softc *sc,
- struct ath_descdma *dd,
- struct list_head *head)
-{
- dma_free_coherent(sc->dev, dd->dd_desc_len, dd->dd_desc,
- dd->dd_desc_paddr);
-
- INIT_LIST_HEAD(head);
- kfree(dd->dd_bufptr);
- memset(dd, 0, sizeof(*dd));
-}
-
int ath_get_hal_qnum(u16 queue, struct ath_softc *sc)
{
int qnum;
@@ -2220,28 +1076,6 @@ void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
/* mac80211 callbacks */
/**********************/
-/*
- * (Re)start btcoex timers
- */
-static void ath9k_btcoex_timer_resume(struct ath_softc *sc)
-{
- struct ath_btcoex *btcoex = &sc->btcoex;
- struct ath_hw *ah = sc->sc_ah;
-
- ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
- "Starting btcoex timers");
-
- /* 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->bt_priority_cnt = 0;
- btcoex->bt_priority_time = jiffies;
- sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
-
- mod_timer(&btcoex->period_timer, jiffies);
-}
-
static int ath9k_start(struct ieee80211_hw *hw)
{
struct ath_wiphy *aphy = hw->priv;
@@ -2411,11 +1245,11 @@ static int ath9k_tx(struct ieee80211_hw *hw,
if (ieee80211_is_pspoll(hdr->frame_control)) {
ath_print(common, ATH_DBG_PS,
"Sending PS-Poll to pick a buffered frame\n");
- sc->sc_flags |= SC_OP_WAIT_FOR_PSPOLL_DATA;
+ sc->ps_flags |= PS_WAIT_FOR_PSPOLL_DATA;
} else {
ath_print(common, ATH_DBG_PS,
"Wake up to complete TX\n");
- sc->sc_flags |= SC_OP_WAIT_FOR_TX_ACK;
+ sc->ps_flags |= PS_WAIT_FOR_TX_ACK;
}
/*
* The actual restore operation will happen only after
@@ -2468,22 +1302,6 @@ exit:
return 0;
}
-/*
- * Pause btcoex timer and bt duty cycle timer
- */
-static 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;
-}
-
static void ath9k_stop(struct ieee80211_hw *hw)
{
struct ath_wiphy *aphy = hw->priv;
@@ -2550,12 +1368,12 @@ static void ath9k_stop(struct ieee80211_hw *hw)
}
static int ath9k_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+ struct ieee80211_vif *vif)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- struct ath_vif *avp = (void *)conf->vif->drv_priv;
+ struct ath_vif *avp = (void *)vif->drv_priv;
enum nl80211_iftype ic_opmode = NL80211_IFTYPE_UNSPECIFIED;
int ret = 0;
@@ -2567,7 +1385,7 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
goto out;
}
- switch (conf->type) {
+ switch (vif->type) {
case NL80211_IFTYPE_STATION:
ic_opmode = NL80211_IFTYPE_STATION;
break;
@@ -2578,11 +1396,11 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
ret = -ENOBUFS;
goto out;
}
- ic_opmode = conf->type;
+ ic_opmode = vif->type;
break;
default:
ath_print(common, ATH_DBG_FATAL,
- "Interface type %d not yet supported\n", conf->type);
+ "Interface type %d not yet supported\n", vif->type);
ret = -EOPNOTSUPP;
goto out;
}
@@ -2614,18 +1432,18 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
* Enable MIB interrupts when there are hardware phy counters.
* Note we only do this (at the moment) for station mode.
*/
- if ((conf->type == NL80211_IFTYPE_STATION) ||
- (conf->type == NL80211_IFTYPE_ADHOC) ||
- (conf->type == NL80211_IFTYPE_MESH_POINT)) {
+ if ((vif->type == NL80211_IFTYPE_STATION) ||
+ (vif->type == NL80211_IFTYPE_ADHOC) ||
+ (vif->type == NL80211_IFTYPE_MESH_POINT)) {
sc->imask |= ATH9K_INT_MIB;
sc->imask |= ATH9K_INT_TSFOOR;
}
ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
- if (conf->type == NL80211_IFTYPE_AP ||
- conf->type == NL80211_IFTYPE_ADHOC ||
- conf->type == NL80211_IFTYPE_MONITOR)
+ if (vif->type == NL80211_IFTYPE_AP ||
+ vif->type == NL80211_IFTYPE_ADHOC ||
+ vif->type == NL80211_IFTYPE_MONITOR)
ath_start_ani(common);
out:
@@ -2634,12 +1452,12 @@ out:
}
static void ath9k_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+ struct ieee80211_vif *vif)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- struct ath_vif *avp = (void *)conf->vif->drv_priv;
+ struct ath_vif *avp = (void *)vif->drv_priv;
int i;
ath_print(common, ATH_DBG_CONFIG, "Detach Interface\n");
@@ -2662,7 +1480,7 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
sc->sc_flags &= ~SC_OP_BEACONS;
for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) {
- if (sc->beacon.bslot[i] == conf->vif) {
+ if (sc->beacon.bslot[i] == vif) {
printk(KERN_DEBUG "%s: vif had allocated beacon "
"slot\n", __func__);
sc->beacon.bslot[i] = NULL;
@@ -2675,6 +1493,19 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
mutex_unlock(&sc->mutex);
}
+void ath9k_enable_ps(struct ath_softc *sc)
+{
+ sc->ps_enabled = true;
+ if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
+ if ((sc->imask & ATH9K_INT_TIM_TIMER) == 0) {
+ sc->imask |= ATH9K_INT_TIM_TIMER;
+ ath9k_hw_set_interrupts(sc->sc_ah,
+ sc->imask);
+ }
+ }
+ ath9k_hw_setrxabort(sc->sc_ah, 1);
+}
+
static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
{
struct ath_wiphy *aphy = hw->priv;
@@ -2713,6 +1544,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
spin_unlock_bh(&sc->wiphy_lock);
if (enable_radio) {
+ sc->ps_idle = false;
ath_radio_enable(sc, hw);
ath_print(common, ATH_DBG_CONFIG,
"not-idle: enabling radio\n");
@@ -2727,36 +1559,27 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
*/
if (changed & IEEE80211_CONF_CHANGE_PS) {
if (conf->flags & IEEE80211_CONF_PS) {
- sc->sc_flags |= SC_OP_PS_ENABLED;
- if (!(ah->caps.hw_caps &
- ATH9K_HW_CAP_AUTOSLEEP)) {
- if ((sc->imask & ATH9K_INT_TIM_TIMER) == 0) {
- sc->imask |= ATH9K_INT_TIM_TIMER;
- ath9k_hw_set_interrupts(sc->sc_ah,
- sc->imask);
- }
- }
+ sc->ps_flags |= PS_ENABLED;
/*
* At this point we know hardware has received an ACK
* of a previously sent null data frame.
*/
- if ((sc->sc_flags & SC_OP_NULLFUNC_COMPLETED)) {
- sc->sc_flags &= ~SC_OP_NULLFUNC_COMPLETED;
- sc->ps_enabled = true;
- ath9k_hw_setrxabort(sc->sc_ah, 1);
+ if ((sc->ps_flags & PS_NULLFUNC_COMPLETED)) {
+ sc->ps_flags &= ~PS_NULLFUNC_COMPLETED;
+ ath9k_enable_ps(sc);
}
} else {
sc->ps_enabled = false;
- sc->sc_flags &= ~(SC_OP_PS_ENABLED |
- SC_OP_NULLFUNC_COMPLETED);
+ sc->ps_flags &= ~(PS_ENABLED |
+ PS_NULLFUNC_COMPLETED);
ath9k_setpower(sc, ATH9K_PM_AWAKE);
if (!(ah->caps.hw_caps &
ATH9K_HW_CAP_AUTOSLEEP)) {
ath9k_hw_setrxabort(sc->sc_ah, 0);
- sc->sc_flags &= ~(SC_OP_WAIT_FOR_BEACON |
- SC_OP_WAIT_FOR_CAB |
- SC_OP_WAIT_FOR_PSPOLL_DATA |
- SC_OP_WAIT_FOR_TX_ACK);
+ sc->ps_flags &= ~(PS_WAIT_FOR_BEACON |
+ PS_WAIT_FOR_CAB |
+ PS_WAIT_FOR_PSPOLL_DATA |
+ PS_WAIT_FOR_TX_ACK);
if (sc->imask & ATH9K_INT_TIM_TIMER) {
sc->imask &= ~ATH9K_INT_TIM_TIMER;
ath9k_hw_set_interrupts(sc->sc_ah,
@@ -2766,6 +1589,14 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
}
}
+ if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
+ if (conf->flags & IEEE80211_CONF_MONITOR) {
+ ath_print(common, ATH_DBG_CONFIG,
+ "HW opmode set to Monitor mode\n");
+ sc->sc_ah->opmode = NL80211_IFTYPE_MONITOR;
+ }
+ }
+
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
struct ieee80211_channel *curchan = hw->conf.channel;
int pos = curchan->hw_value;
@@ -2801,8 +1632,10 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
}
skip_chan_change:
- if (changed & IEEE80211_CONF_CHANGE_POWER)
+ if (changed & IEEE80211_CONF_CHANGE_POWER) {
sc->config.txpowlimit = 2 * conf->power_level;
+ ath_update_txpow(sc);
+ }
spin_lock_bh(&sc->wiphy_lock);
disable_radio = ath9k_all_wiphys_idle(sc);
@@ -2810,6 +1643,7 @@ skip_chan_change:
if (disable_radio) {
ath_print(common, ATH_DBG_CONFIG, "idle: disabling radio\n");
+ sc->ps_idle = true;
ath_radio_disable(sc, hw);
}
@@ -2850,24 +1684,28 @@ static void ath9k_configure_filter(struct ieee80211_hw *hw,
"Set HW RX filter: 0x%x\n", rfilt);
}
-static void ath9k_sta_notify(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- enum sta_notify_cmd cmd,
- struct ieee80211_sta *sta)
+static int ath9k_sta_add(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
- switch (cmd) {
- case STA_NOTIFY_ADD:
- ath_node_attach(sc, sta);
- break;
- case STA_NOTIFY_REMOVE:
- ath_node_detach(sc, sta);
- break;
- default:
- break;
- }
+ ath_node_attach(sc, sta);
+
+ return 0;
+}
+
+static int ath9k_sta_remove(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
+
+ ath_node_detach(sc, sta);
+
+ return 0;
}
static int ath9k_conf_tx(struct ieee80211_hw *hw, u16 queue,
@@ -2966,6 +1804,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct ath_vif *avp = (void *)vif->drv_priv;
+ int slottime;
int error;
mutex_lock(&sc->mutex);
@@ -3001,6 +1840,25 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
ath_beacon_config(sc, vif);
}
+ if (changed & BSS_CHANGED_ERP_SLOT) {
+ if (bss_conf->use_short_slot)
+ slottime = 9;
+ else
+ slottime = 20;
+ if (vif->type == NL80211_IFTYPE_AP) {
+ /*
+ * Defer update, so that connected stations can adjust
+ * their settings at the same time.
+ * See beacon.c for more details
+ */
+ sc->beacon.slottime = slottime;
+ sc->beacon.updateslot = UPDATE;
+ } else {
+ ah->slottime = slottime;
+ ath9k_hw_init_global_settings(ah);
+ }
+ }
+
/* Disable transmission of beacons */
if ((changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon)
ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
@@ -3133,6 +1991,7 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
mutex_lock(&sc->mutex);
if (ath9k_wiphy_scanning(sc)) {
@@ -3148,10 +2007,9 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw)
aphy->state = ATH_WIPHY_SCAN;
ath9k_wiphy_pause_all_forced(sc, aphy);
-
- spin_lock_bh(&sc->ani_lock);
sc->sc_flags |= SC_OP_SCANNING;
- spin_unlock_bh(&sc->ani_lock);
+ del_timer_sync(&common->ani.timer);
+ cancel_delayed_work_sync(&sc->tx_complete_work);
mutex_unlock(&sc->mutex);
}
@@ -3159,17 +2017,30 @@ static void ath9k_sw_scan_complete(struct ieee80211_hw *hw)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
mutex_lock(&sc->mutex);
- spin_lock_bh(&sc->ani_lock);
aphy->state = ATH_WIPHY_ACTIVE;
sc->sc_flags &= ~SC_OP_SCANNING;
sc->sc_flags |= SC_OP_FULL_RESET;
- spin_unlock_bh(&sc->ani_lock);
+ ath_start_ani(common);
+ ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
ath_beacon_config(sc, NULL);
mutex_unlock(&sc->mutex);
}
+static void ath9k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)
+{
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
+ struct ath_hw *ah = sc->sc_ah;
+
+ mutex_lock(&sc->mutex);
+ ah->coverage_class = coverage_class;
+ ath9k_hw_init_global_settings(ah);
+ mutex_unlock(&sc->mutex);
+}
+
struct ieee80211_ops ath9k_ops = {
.tx = ath9k_tx,
.start = ath9k_start,
@@ -3178,7 +2049,8 @@ struct ieee80211_ops ath9k_ops = {
.remove_interface = ath9k_remove_interface,
.config = ath9k_config,
.configure_filter = ath9k_configure_filter,
- .sta_notify = ath9k_sta_notify,
+ .sta_add = ath9k_sta_add,
+ .sta_remove = ath9k_sta_remove,
.conf_tx = ath9k_conf_tx,
.bss_info_changed = ath9k_bss_info_changed,
.set_key = ath9k_set_key,
@@ -3189,64 +2061,5 @@ struct ieee80211_ops ath9k_ops = {
.sw_scan_start = ath9k_sw_scan_start,
.sw_scan_complete = ath9k_sw_scan_complete,
.rfkill_poll = ath9k_rfkill_poll_state,
+ .set_coverage_class = ath9k_set_coverage_class,
};
-
-static int __init ath9k_init(void)
-{
- int error;
-
- /* Register rate control algorithm */
- error = ath_rate_control_register();
- if (error != 0) {
- printk(KERN_ERR
- "ath9k: Unable to register rate control "
- "algorithm: %d\n",
- error);
- goto err_out;
- }
-
- error = ath9k_debug_create_root();
- if (error) {
- printk(KERN_ERR
- "ath9k: Unable to create debugfs root: %d\n",
- error);
- goto err_rate_unregister;
- }
-
- error = ath_pci_init();
- if (error < 0) {
- printk(KERN_ERR
- "ath9k: No PCI devices found, driver not installed.\n");
- error = -ENODEV;
- goto err_remove_root;
- }
-
- error = ath_ahb_init();
- if (error < 0) {
- error = -ENODEV;
- goto err_pci_exit;
- }
-
- return 0;
-
- err_pci_exit:
- ath_pci_exit();
-
- err_remove_root:
- ath9k_debug_remove_root();
- err_rate_unregister:
- ath_rate_control_unregister();
- err_out:
- return error;
-}
-module_init(ath9k_init);
-
-static void __exit ath9k_exit(void)
-{
- ath_ahb_exit();
- ath_pci_exit();
- ath9k_debug_remove_root();
- ath_rate_control_unregister();
- printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
-}
-module_exit(ath9k_exit);
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index f7af5ea54753..9441c6718a30 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -18,13 +18,14 @@
#include <linux/pci.h>
#include "ath9k.h"
-static struct pci_device_id ath_pci_id_table[] __devinitdata = {
+static DEFINE_PCI_DEVICE_TABLE(ath_pci_id_table) = {
{ PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI */
{ PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
{ PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI */
{ PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI */
{ PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
{ PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
+ { PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
{ PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI */
{ PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
{ 0 }
@@ -49,16 +50,6 @@ static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
*csz = DEFAULT_CACHELINE >> 2; /* Use the default size */
}
-static void ath_pci_cleanup(struct ath_common *common)
-{
- struct ath_softc *sc = (struct ath_softc *) common->priv;
- struct pci_dev *pdev = to_pci_dev(sc->dev);
-
- pci_iounmap(pdev, sc->mem);
- pci_disable_device(pdev);
- pci_release_region(pdev, 0);
-}
-
static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
{
struct ath_hw *ah = (struct ath_hw *) common->ah;
@@ -98,7 +89,6 @@ static void ath_pci_bt_coex_prep(struct ath_common *common)
static const struct ath_bus_ops ath_pci_bus_ops = {
.read_cachesize = ath_pci_read_cachesize,
- .cleanup = ath_pci_cleanup,
.eeprom_read = ath_pci_eeprom_read,
.bt_coex_prep = ath_pci_bt_coex_prep,
};
@@ -113,25 +103,22 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
u16 subsysid;
u32 val;
int ret = 0;
- struct ath_hw *ah;
char hw_name[64];
if (pci_enable_device(pdev))
return -EIO;
ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
-
if (ret) {
printk(KERN_ERR "ath9k: 32-bit DMA not available\n");
- goto bad;
+ goto err_dma;
}
ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
-
if (ret) {
printk(KERN_ERR "ath9k: 32-bit DMA consistent "
"DMA enable failed\n");
- goto bad;
+ goto err_dma;
}
/*
@@ -171,22 +158,22 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (ret) {
dev_err(&pdev->dev, "PCI memory region reserve error\n");
ret = -ENODEV;
- goto bad;
+ goto err_region;
}
mem = pci_iomap(pdev, 0, 0);
if (!mem) {
printk(KERN_ERR "PCI memory map error\n") ;
ret = -EIO;
- goto bad1;
+ goto err_iomap;
}
hw = ieee80211_alloc_hw(sizeof(struct ath_wiphy) +
sizeof(struct ath_softc), &ath9k_ops);
if (!hw) {
- dev_err(&pdev->dev, "no memory for ieee80211_hw\n");
+ dev_err(&pdev->dev, "No memory for ieee80211_hw\n");
ret = -ENOMEM;
- goto bad2;
+ goto err_alloc_hw;
}
SET_IEEE80211_DEV(hw, &pdev->dev);
@@ -201,25 +188,25 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
sc->dev = &pdev->dev;
sc->mem = mem;
- pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &subsysid);
- ret = ath_init_device(id->device, sc, subsysid, &ath_pci_bus_ops);
- if (ret) {
- dev_err(&pdev->dev, "failed to initialize device\n");
- goto bad3;
- }
-
- /* setup interrupt service routine */
+ /* Will be cleared in ath9k_start() */
+ sc->sc_flags |= SC_OP_INVALID;
ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
if (ret) {
dev_err(&pdev->dev, "request_irq failed\n");
- goto bad4;
+ goto err_irq;
}
sc->irq = pdev->irq;
- ah = sc->sc_ah;
- ath9k_hw_name(ah, hw_name, sizeof(hw_name));
+ pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &subsysid);
+ ret = ath9k_init_device(id->device, sc, subsysid, &ath_pci_bus_ops);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to initialize device\n");
+ goto err_init;
+ }
+
+ ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
printk(KERN_INFO
"%s: %s mem=0x%lx, irq=%d\n",
wiphy_name(hw->wiphy),
@@ -227,15 +214,18 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
(unsigned long)mem, pdev->irq);
return 0;
-bad4:
- ath_detach(sc);
-bad3:
+
+err_init:
+ free_irq(sc->irq, sc);
+err_irq:
ieee80211_free_hw(hw);
-bad2:
+err_alloc_hw:
pci_iounmap(pdev, mem);
-bad1:
+err_iomap:
pci_release_region(pdev, 0);
-bad:
+err_region:
+ /* Nothing */
+err_dma:
pci_disable_device(pdev);
return ret;
}
@@ -245,8 +235,15 @@ static void ath_pci_remove(struct pci_dev *pdev)
struct ieee80211_hw *hw = pci_get_drvdata(pdev);
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
+ void __iomem *mem = sc->mem;
+
+ ath9k_deinit_device(sc);
+ free_irq(sc->irq, sc);
+ ieee80211_free_hw(sc->hw);
- ath_cleanup(sc);
+ pci_iounmap(pdev, mem);
+ pci_disable_device(pdev);
+ pci_release_region(pdev, 0);
}
#ifdef CONFIG_PM
diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h
index 31de27dc0c4a..0999a495fd46 100644
--- a/drivers/net/wireless/ath/ath9k/phy.h
+++ b/drivers/net/wireless/ath/ath9k/phy.h
@@ -384,6 +384,9 @@ bool ath9k_hw_set_rf_regs(struct ath_hw *ah,
#define AR_PHY_HEAVY_CLIP_ENABLE 0x99E0
+#define AR_PHY_HEAVY_CLIP_FACTOR_RIFS 0x99EC
+#define AR_PHY_RIFS_INIT_DELAY 0x03ff0000
+
#define AR_PHY_M_SLEEP 0x99f0
#define AR_PHY_REFCLKDLY 0x99f4
#define AR_PHY_REFCLKPD 0x99f8
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 70fdb9d8db82..ac34a055c713 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -668,7 +668,7 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
struct ieee80211_tx_rate *rates = tx_info->control.rates;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
__le16 fc = hdr->frame_control;
- u8 try_per_rate, i = 0, rix, nrix;
+ u8 try_per_rate, i = 0, rix;
int is_probe = 0;
if (rate_control_send_low(sta, priv_sta, txrc))
@@ -678,48 +678,47 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
* For Multi Rate Retry we use a different number of
* retry attempt counts. This ends up looking like this:
*
- * MRR[0] = 2
- * MRR[1] = 2
- * MRR[2] = 2
- * MRR[3] = 4
+ * MRR[0] = 4
+ * MRR[1] = 4
+ * MRR[2] = 4
+ * MRR[3] = 8
*
*/
- try_per_rate = sc->hw->max_rate_tries;
+ try_per_rate = 4;
rate_table = sc->cur_rate_table;
rix = ath_rc_get_highest_rix(sc, ath_rc_priv, rate_table, &is_probe);
- nrix = rix;
if (is_probe) {
/* set one try for probe rates. For the
* probes don't enable rts */
ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
- 1, nrix, 0);
+ 1, rix, 0);
/* Get the next tried/allowed rate. No RTS for the next series
* after the probe rate
*/
- ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &nrix);
+ ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &rix);
ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
- try_per_rate, nrix, 0);
+ try_per_rate, rix, 0);
tx_info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
} else {
/* Set the choosen rate. No RTS for first series entry. */
ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
- try_per_rate, nrix, 0);
+ try_per_rate, rix, 0);
}
/* Fill in the other rates for multirate retry */
for ( ; i < 4; i++) {
/* Use twice the number of tries for the last MRR segment. */
if (i + 1 == 4)
- try_per_rate = 4;
+ try_per_rate = 8;
- ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &nrix);
+ ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &rix);
/* All other rates in the series have RTS enabled */
ath_rc_rate_set_series(rate_table, &rates[i], txrc,
- try_per_rate, nrix, 1);
+ try_per_rate, rix, 1);
}
/*
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
index 9eb96f506998..4f6d6fd442f4 100644
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -57,6 +57,10 @@ enum {
|| (_phy == WLAN_RC_PHY_HT_40_DS) \
|| (_phy == WLAN_RC_PHY_HT_20_DS_HGI) \
|| (_phy == WLAN_RC_PHY_HT_40_DS_HGI))
+#define WLAN_RC_PHY_20(_phy) ((_phy == WLAN_RC_PHY_HT_20_SS) \
+ || (_phy == WLAN_RC_PHY_HT_20_DS) \
+ || (_phy == WLAN_RC_PHY_HT_20_SS_HGI) \
+ || (_phy == WLAN_RC_PHY_HT_20_DS_HGI))
#define WLAN_RC_PHY_40(_phy) ((_phy == WLAN_RC_PHY_HT_40_SS) \
|| (_phy == WLAN_RC_PHY_HT_40_DS) \
|| (_phy == WLAN_RC_PHY_HT_40_SS_HGI) \
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 477365e5ae69..1ca42e5148c8 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -364,10 +364,10 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
if (memcmp(common->curbssid, mgmt->bssid, ETH_ALEN) != 0)
return; /* not from our current AP */
- sc->sc_flags &= ~SC_OP_WAIT_FOR_BEACON;
+ sc->ps_flags &= ~PS_WAIT_FOR_BEACON;
- if (sc->sc_flags & SC_OP_BEACON_SYNC) {
- sc->sc_flags &= ~SC_OP_BEACON_SYNC;
+ if (sc->ps_flags & PS_BEACON_SYNC) {
+ sc->ps_flags &= ~PS_BEACON_SYNC;
ath_print(common, ATH_DBG_PS,
"Reconfigure Beacon timers based on "
"timestamp from the AP\n");
@@ -384,17 +384,17 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
*/
ath_print(common, ATH_DBG_PS, "Received DTIM beacon indicating "
"buffered broadcast/multicast frame(s)\n");
- sc->sc_flags |= SC_OP_WAIT_FOR_CAB | SC_OP_WAIT_FOR_BEACON;
+ sc->ps_flags |= PS_WAIT_FOR_CAB | PS_WAIT_FOR_BEACON;
return;
}
- if (sc->sc_flags & SC_OP_WAIT_FOR_CAB) {
+ if (sc->ps_flags & PS_WAIT_FOR_CAB) {
/*
* This can happen if a broadcast frame is dropped or the AP
* fails to send a frame indicating that all CAB frames have
* been delivered.
*/
- sc->sc_flags &= ~SC_OP_WAIT_FOR_CAB;
+ sc->ps_flags &= ~PS_WAIT_FOR_CAB;
ath_print(common, ATH_DBG_PS,
"PS wait for CAB frames timed out\n");
}
@@ -408,10 +408,10 @@ static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb)
hdr = (struct ieee80211_hdr *)skb->data;
/* Process Beacon and CAB receive in PS state */
- if ((sc->sc_flags & SC_OP_WAIT_FOR_BEACON) &&
+ if ((sc->ps_flags & PS_WAIT_FOR_BEACON) &&
ieee80211_is_beacon(hdr->frame_control))
ath_rx_ps_beacon(sc, skb);
- else if ((sc->sc_flags & SC_OP_WAIT_FOR_CAB) &&
+ else if ((sc->ps_flags & PS_WAIT_FOR_CAB) &&
(ieee80211_is_data(hdr->frame_control) ||
ieee80211_is_action(hdr->frame_control)) &&
is_multicast_ether_addr(hdr->addr1) &&
@@ -420,20 +420,20 @@ static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb)
* No more broadcast/multicast frames to be received at this
* point.
*/
- sc->sc_flags &= ~SC_OP_WAIT_FOR_CAB;
+ sc->ps_flags &= ~PS_WAIT_FOR_CAB;
ath_print(common, ATH_DBG_PS,
"All PS CAB frames received, back to sleep\n");
- } else if ((sc->sc_flags & SC_OP_WAIT_FOR_PSPOLL_DATA) &&
+ } else if ((sc->ps_flags & PS_WAIT_FOR_PSPOLL_DATA) &&
!is_multicast_ether_addr(hdr->addr1) &&
!ieee80211_has_morefrags(hdr->frame_control)) {
- sc->sc_flags &= ~SC_OP_WAIT_FOR_PSPOLL_DATA;
+ sc->ps_flags &= ~PS_WAIT_FOR_PSPOLL_DATA;
ath_print(common, ATH_DBG_PS,
"Going back to sleep after having received "
- "PS-Poll data (0x%x)\n",
- sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
- SC_OP_WAIT_FOR_CAB |
- SC_OP_WAIT_FOR_PSPOLL_DATA |
- SC_OP_WAIT_FOR_TX_ACK));
+ "PS-Poll data (0x%lx)\n",
+ sc->ps_flags & (PS_WAIT_FOR_BEACON |
+ PS_WAIT_FOR_CAB |
+ PS_WAIT_FOR_PSPOLL_DATA |
+ PS_WAIT_FOR_TX_ACK));
}
}
@@ -571,6 +571,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
hw = ath_get_virt_hw(sc, hdr);
rx_stats = &ds->ds_rxstat;
+ ath_debug_stat_rx(sc, bf);
+
/*
* If we're asked to flush receive queue, directly
* chain it back at the queue without processing it.
@@ -631,9 +633,9 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
sc->rx.rxotherant = 0;
}
- if (unlikely(sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
- SC_OP_WAIT_FOR_CAB |
- SC_OP_WAIT_FOR_PSPOLL_DATA)))
+ if (unlikely(sc->ps_flags & (PS_WAIT_FOR_BEACON |
+ PS_WAIT_FOR_CAB |
+ PS_WAIT_FOR_PSPOLL_DATA)))
ath_rx_ps(sc, skb);
ath_rx_send_to_mac80211(hw, sc, skb, rxs);
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index 8e653fb937a1..72cfa8ebd9ae 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -1547,9 +1547,9 @@ enum {
#define AR_BT_COEX_WEIGHT 0x8174
#define AR_BT_COEX_WGHT 0xff55
-#define AR_STOMP_ALL_WLAN_WGHT 0xffcc
-#define AR_STOMP_LOW_WLAN_WGHT 0xaaa8
-#define AR_STOMP_NONE_WLAN_WGHT 0xaa00
+#define AR_STOMP_ALL_WLAN_WGHT 0xfcfc
+#define AR_STOMP_LOW_WLAN_WGHT 0xa8a8
+#define AR_STOMP_NONE_WLAN_WGHT 0x0000
#define AR_BTCOEX_BT_WGHT 0x0000ffff
#define AR_BTCOEX_BT_WGHT_S 0
#define AR_BTCOEX_WL_WGHT 0xffff0000
diff --git a/drivers/net/wireless/ath/ath9k/virtual.c b/drivers/net/wireless/ath/ath9k/virtual.c
index cd26caaf44e7..a43fbf84dab9 100644
--- a/drivers/net/wireless/ath/ath9k/virtual.c
+++ b/drivers/net/wireless/ath/ath9k/virtual.c
@@ -152,7 +152,7 @@ int ath9k_wiphy_add(struct ath_softc *sc)
SET_IEEE80211_PERM_ADDR(hw, addr);
- ath_set_hw_capab(sc, hw);
+ ath9k_set_hw_capab(sc, hw);
error = ieee80211_register_hw(hw);
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 29bf33692f71..47294f90bbe5 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1498,26 +1498,6 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
ctsrate |= rate->hw_value_short;
- /*
- * ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive.
- * Check the first rate in the series to decide whether RTS/CTS
- * or CTS-to-self has to be used.
- */
- if (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
- flags = ATH9K_TXDESC_CTSENA;
- else if (rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
- flags = ATH9K_TXDESC_RTSENA;
-
- /* FIXME: Handle aggregation protection */
- if (sc->config.ath_aggr_prot &&
- (!bf_isaggr(bf) || (bf_isaggr(bf) && bf->bf_al < 8192))) {
- flags = ATH9K_TXDESC_RTSENA;
- }
-
- /* For AR5416 - RTS cannot be followed by a frame larger than 8K */
- if (bf_isaggr(bf) && (bf->bf_al > sc->sc_ah->caps.rts_aggr_limit))
- flags &= ~(ATH9K_TXDESC_RTSENA);
-
for (i = 0; i < 4; i++) {
bool is_40, is_sgi, is_sp;
int phy;
@@ -1529,8 +1509,15 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
series[i].Tries = rates[i].count;
series[i].ChSel = common->tx_chainmask;
- if (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS)
+ if ((sc->config.ath_aggr_prot && bf_isaggr(bf)) ||
+ (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS)) {
series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
+ flags |= ATH9K_TXDESC_RTSENA;
+ } else if (rates[i].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
+ series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
+ flags |= ATH9K_TXDESC_CTSENA;
+ }
+
if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
series[i].RateFlags |= ATH9K_RATESERIES_2040;
if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
@@ -1568,6 +1555,14 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
phy, rate->bitrate * 100, bf->bf_frmlen, rix, is_sp);
}
+ /* For AR5416 - RTS cannot be followed by a frame larger than 8K */
+ if (bf_isaggr(bf) && (bf->bf_al > sc->sc_ah->caps.rts_aggr_limit))
+ flags &= ~ATH9K_TXDESC_RTSENA;
+
+ /* ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive. */
+ if (flags & ATH9K_TXDESC_RTSENA)
+ flags &= ~ATH9K_TXDESC_CTSENA;
+
/* set dur_update_en for l-sig computation except for PS-Poll frames */
ath9k_hw_set11n_ratescenario(sc->sc_ah, bf->bf_desc,
bf->bf_lastbf->bf_desc,
@@ -1648,7 +1643,7 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
/* tag if this is a nullfunc frame to enable PS when AP acks it */
if (ieee80211_is_nullfunc(fc) && ieee80211_has_pm(fc)) {
bf->bf_isnullfunc = true;
- sc->sc_flags &= ~SC_OP_NULLFUNC_COMPLETED;
+ sc->ps_flags &= ~PS_NULLFUNC_COMPLETED;
} else
bf->bf_isnullfunc = false;
@@ -1858,15 +1853,15 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
skb_pull(skb, padsize);
}
- if (sc->sc_flags & SC_OP_WAIT_FOR_TX_ACK) {
- sc->sc_flags &= ~SC_OP_WAIT_FOR_TX_ACK;
+ if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) {
+ sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK;
ath_print(common, ATH_DBG_PS,
"Going back to sleep after having "
- "received TX status (0x%x)\n",
- sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
- SC_OP_WAIT_FOR_CAB |
- SC_OP_WAIT_FOR_PSPOLL_DATA |
- SC_OP_WAIT_FOR_TX_ACK));
+ "received TX status (0x%lx)\n",
+ sc->ps_flags & (PS_WAIT_FOR_BEACON |
+ PS_WAIT_FOR_CAB |
+ PS_WAIT_FOR_PSPOLL_DATA |
+ PS_WAIT_FOR_TX_ACK));
}
if (unlikely(tx_info->pad[0] & ATH_TX_INFO_FRAME_TYPE_INTERNAL))
@@ -2053,11 +2048,10 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
*/
if (bf->bf_isnullfunc &&
(ds->ds_txstat.ts_status & ATH9K_TX_ACKED)) {
- if ((sc->sc_flags & SC_OP_PS_ENABLED)) {
- sc->ps_enabled = true;
- ath9k_hw_setrxabort(sc->sc_ah, 1);
- } else
- sc->sc_flags |= SC_OP_NULLFUNC_COMPLETED;
+ if ((sc->ps_flags & PS_ENABLED))
+ ath9k_enable_ps(sc);
+ else
+ sc->ps_flags |= PS_NULLFUNC_COMPLETED;
}
/*