diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_phy.h | 25 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 22 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/channel.c | 23 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug_sta.c | 20 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/dfs.c | 170 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_init.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_main.c | 13 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_hst.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/init.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/link.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/recv.c | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/wmi.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 156 |
17 files changed, 302 insertions, 175 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h index fc595b92a..c5f8bc4b5 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h @@ -455,7 +455,7 @@ #define AR_PHY_MODE (AR_SM_BASE + 0x8) #define AR_PHY_ACTIVE (AR_SM_BASE + 0xc) #define AR_PHY_SPUR_MASK_A (AR_SM_BASE + (AR_SREV_9561(ah) ? 0x18 : 0x20)) -#define AR_PHY_SPUR_MASK_B (AR_SM_BASE + 0x24) +#define AR_PHY_SPUR_MASK_B (AR_SM_BASE + (AR_SREV_9561(ah) ? 0x1c : 0x24)) #define AR_PHY_SPECTRAL_SCAN (AR_SM_BASE + 0x28) #define AR_PHY_RADAR_BW_FILTER (AR_SM_BASE + 0x2c) #define AR_PHY_SEARCH_START_DELAY (AR_SM_BASE + 0x30) @@ -495,7 +495,7 @@ #define AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_A 0x3FF #define AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_A_S 0 -#define AR_PHY_TEST (AR_SM_BASE + 0x160) +#define AR_PHY_TEST (AR_SM_BASE + (AR_SREV_9561(ah) ? 0x15c : 0x160)) #define AR_PHY_TEST_BBB_OBS_SEL 0x780000 #define AR_PHY_TEST_BBB_OBS_SEL_S 19 @@ -521,24 +521,29 @@ #define AR_PHY_TEST_CTL_DEBUGPORT_SEL_S 29 -#define AR_PHY_TSTDAC (AR_SM_BASE + 0x168) +#define AR_PHY_TSTDAC (AR_SM_BASE + (AR_SREV_9561(ah) ? 0x164 : 0x168)) -#define AR_PHY_CHAN_STATUS (AR_SM_BASE + 0x16c) +#define AR_PHY_CHAN_STATUS (AR_SM_BASE + (AR_SREV_9561(ah) ? 0x168 : 0x16c)) #define AR_PHY_CHAN_INFO_MEMORY (AR_SM_BASE + (AR_SREV_9561(ah) ? 0x16c : 0x170)) #define AR_PHY_CHAN_INFO_MEMORY_CHANINFOMEM_S2_READ 0x00000008 #define AR_PHY_CHAN_INFO_MEMORY_CHANINFOMEM_S2_READ_S 3 -#define AR_PHY_CHNINFO_NOISEPWR (AR_SM_BASE + 0x174) -#define AR_PHY_CHNINFO_GAINDIFF (AR_SM_BASE + 0x178) -#define AR_PHY_CHNINFO_FINETIM (AR_SM_BASE + 0x17c) -#define AR_PHY_CHAN_INFO_GAIN_0 (AR_SM_BASE + 0x180) -#define AR_PHY_SCRAMBLER_SEED (AR_SM_BASE + 0x190) -#define AR_PHY_CCK_TX_CTRL (AR_SM_BASE + 0x194) +#define AR_PHY_CHNINFO_NOISEPWR (AR_SM_BASE + (AR_SREV_9561(ah) ? 0x170 : 0x174)) +#define AR_PHY_CHNINFO_GAINDIFF (AR_SM_BASE + (AR_SREV_9561(ah) ? 0x174 : 0x178)) +#define AR_PHY_CHNINFO_FINETIM (AR_SM_BASE + (AR_SREV_9561(ah) ? 0x178 : 0x17c)) +#define AR_PHY_CHAN_INFO_GAIN_0 (AR_SM_BASE + (AR_SREV_9561(ah) ? 0x17c : 0x180)) +#define AR_PHY_SCRAMBLER_SEED (AR_SM_BASE + (AR_SREV_9561(ah) ? 0x184 : 0x190)) +#define AR_PHY_CCK_TX_CTRL (AR_SM_BASE + (AR_SREV_9561(ah) ? 0x188 : 0x194)) #define AR_PHY_HEAVYCLIP_CTL (AR_SM_BASE + (AR_SREV_9561(ah) ? 0x198 : 0x1a4)) #define AR_PHY_HEAVYCLIP_20 (AR_SM_BASE + 0x1a8) #define AR_PHY_HEAVYCLIP_40 (AR_SM_BASE + 0x1ac) +#define AR_PHY_HEAVYCLIP_1 (AR_SM_BASE + 0x19c) +#define AR_PHY_HEAVYCLIP_2 (AR_SM_BASE + 0x1a0) +#define AR_PHY_HEAVYCLIP_3 (AR_SM_BASE + 0x1a4) +#define AR_PHY_HEAVYCLIP_4 (AR_SM_BASE + 0x1a8) +#define AR_PHY_HEAVYCLIP_5 (AR_SM_BASE + 0x1ac) #define AR_PHY_ILLEGAL_TXRATE (AR_SM_BASE + 0x1b0) #define AR_PHY_POWER_TX_RATE(_d) (AR_SM_BASE + 0x1c0 + ((_d) << 2)) diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index a7a81b396..c85c47978 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -172,14 +172,6 @@ struct ath_txq { struct sk_buff_head complete_q; }; -struct ath_atx_ac { - struct ath_txq *txq; - struct list_head list; - struct list_head tid_q; - bool clear_ps_filter; - bool sched; -}; - struct ath_frame_info { struct ath_buf *bf; u16 framelen; @@ -242,7 +234,7 @@ struct ath_atx_tid { struct sk_buff_head buf_q; struct sk_buff_head retry_q; struct ath_node *an; - struct ath_atx_ac *ac; + struct ath_txq *txq; unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)]; u16 seq_start; u16 seq_next; @@ -252,8 +244,8 @@ struct ath_atx_tid { int baw_tail; /* next unused tx buffer slot */ s8 bar_index; - bool sched; bool active; + bool clear_ps_filter; }; struct ath_node { @@ -261,7 +253,6 @@ struct ath_node { struct ieee80211_sta *sta; /* station struct we're part of */ struct ieee80211_vif *vif; /* interface with which we're associated */ struct ath_atx_tid tid[IEEE80211_NUM_TIDS]; - struct ath_atx_ac ac[IEEE80211_NUM_ACS]; u16 maxampdu; u8 mpdudensity; @@ -410,6 +401,12 @@ enum ath_offchannel_state { ATH_OFFCHANNEL_ROC_DONE, }; +enum ath_roc_complete_reason { + ATH_ROC_COMPLETE_EXPIRE, + ATH_ROC_COMPLETE_ABORT, + ATH_ROC_COMPLETE_CANCEL, +}; + struct ath_offchannel { struct ath_chanctx chan; struct timer_list timer; @@ -471,7 +468,8 @@ void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif, void ath_chanctx_set_next(struct ath_softc *sc, bool force); void ath_offchannel_next(struct ath_softc *sc); void ath_scan_complete(struct ath_softc *sc, bool abort); -void ath_roc_complete(struct ath_softc *sc, bool abort); +void ath_roc_complete(struct ath_softc *sc, + enum ath_roc_complete_reason reason); struct ath_chanctx* ath_is_go_chanctx_present(struct ath_softc *sc); #else diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c index 206665059..90f5773a1 100644 --- a/drivers/net/wireless/ath/ath9k/channel.c +++ b/drivers/net/wireless/ath/ath9k/channel.c @@ -915,18 +915,27 @@ void ath_offchannel_next(struct ath_softc *sc) } } -void ath_roc_complete(struct ath_softc *sc, bool abort) +void ath_roc_complete(struct ath_softc *sc, enum ath_roc_complete_reason reason) { struct ath_common *common = ath9k_hw_common(sc->sc_ah); - if (abort) + sc->offchannel.roc_vif = NULL; + sc->offchannel.roc_chan = NULL; + + switch (reason) { + case ATH_ROC_COMPLETE_ABORT: ath_dbg(common, CHAN_CTX, "RoC aborted\n"); - else + ieee80211_remain_on_channel_expired(sc->hw); + break; + case ATH_ROC_COMPLETE_EXPIRE: ath_dbg(common, CHAN_CTX, "RoC expired\n"); + ieee80211_remain_on_channel_expired(sc->hw); + break; + case ATH_ROC_COMPLETE_CANCEL: + ath_dbg(common, CHAN_CTX, "RoC canceled\n"); + break; + } - sc->offchannel.roc_vif = NULL; - sc->offchannel.roc_chan = NULL; - ieee80211_remain_on_channel_expired(sc->hw); ath_offchannel_next(sc); ath9k_ps_restore(sc); } @@ -1058,7 +1067,7 @@ static void ath_offchannel_timer(unsigned long data) case ATH_OFFCHANNEL_ROC_START: case ATH_OFFCHANNEL_ROC_WAIT: sc->offchannel.state = ATH_OFFCHANNEL_ROC_DONE; - ath_roc_complete(sc, false); + ath_roc_complete(sc, ATH_ROC_COMPLETE_EXPIRE); break; default: break; diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index dbf8f4959..da32c8faa 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -765,6 +765,8 @@ static int read_file_reset(struct seq_file *file, void *data) [RESET_TYPE_BEACON_STUCK] = "Stuck Beacon", [RESET_TYPE_MCI] = "MCI Reset", [RESET_TYPE_CALIBRATION] = "Calibration error", + [RESET_TX_DMA_ERROR] = "Tx DMA stop error", + [RESET_RX_DMA_ERROR] = "Rx DMA stop error", }; int i; diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h index a8e931995..cd68c5f0e 100644 --- a/drivers/net/wireless/ath/ath9k/debug.h +++ b/drivers/net/wireless/ath/ath9k/debug.h @@ -50,6 +50,8 @@ enum ath_reset_type { RESET_TYPE_BEACON_STUCK, RESET_TYPE_MCI, RESET_TYPE_CALIBRATION, + RESET_TX_DMA_ERROR, + RESET_RX_DMA_ERROR, __RESET_TYPE_MAX }; diff --git a/drivers/net/wireless/ath/ath9k/debug_sta.c b/drivers/net/wireless/ath/ath9k/debug_sta.c index ffca918ff..c2ca57a2e 100644 --- a/drivers/net/wireless/ath/ath9k/debug_sta.c +++ b/drivers/net/wireless/ath/ath9k/debug_sta.c @@ -26,12 +26,11 @@ static ssize_t read_file_node_aggr(struct file *file, char __user *user_buf, struct ath_node *an = file->private_data; struct ath_softc *sc = an->sc; struct ath_atx_tid *tid; - struct ath_atx_ac *ac; struct ath_txq *txq; u32 len = 0, size = 4096; char *buf; size_t retval; - int tidno, acno; + int tidno; buf = kzalloc(size, GFP_KERNEL); if (buf == NULL) @@ -49,26 +48,13 @@ static ssize_t read_file_node_aggr(struct file *file, char __user *user_buf, an->mpdudensity); len += scnprintf(buf + len, size - len, - "%2s%7s\n", "AC", "SCHED"); - - for (acno = 0, ac = &an->ac[acno]; - acno < IEEE80211_NUM_ACS; acno++, ac++) { - txq = ac->txq; - ath_txq_lock(sc, txq); - len += scnprintf(buf + len, size - len, - "%2d%7d\n", - acno, ac->sched); - ath_txq_unlock(sc, txq); - } - - len += scnprintf(buf + len, size - len, "\n%3s%11s%10s%10s%10s%10s%9s%6s%8s\n", "TID", "SEQ_START", "SEQ_NEXT", "BAW_SIZE", "BAW_HEAD", "BAW_TAIL", "BAR_IDX", "SCHED", "PAUSED"); for (tidno = 0, tid = &an->tid[tidno]; tidno < IEEE80211_NUM_TIDS; tidno++, tid++) { - txq = tid->ac->txq; + txq = tid->txq; ath_txq_lock(sc, txq); if (tid->active) { len += scnprintf(buf + len, size - len, @@ -80,7 +66,7 @@ static ssize_t read_file_node_aggr(struct file *file, char __user *user_buf, tid->baw_head, tid->baw_tail, tid->bar_index, - tid->sched); + !list_empty(&tid->list)); } ath_txq_unlock(sc, txq); } diff --git a/drivers/net/wireless/ath/ath9k/dfs.c b/drivers/net/wireless/ath/ath9k/dfs.c index e98a9eaba..1ece42c24 100644 --- a/drivers/net/wireless/ath/ath9k/dfs.c +++ b/drivers/net/wireless/ath/ath9k/dfs.c @@ -30,6 +30,157 @@ struct ath_radar_data { u8 pulse_length_pri; }; +/**** begin: CHIRP ************************************************************/ + +/* min and max gradients for defined FCC chirping pulses, given by + * - 20MHz chirp width over a pulse width of 50us + * - 5MHz chirp width over a pulse width of 100us + */ +static const int BIN_DELTA_MIN = 1; +static const int BIN_DELTA_MAX = 10; + +/* we need at least 3 deltas / 4 samples for a reliable chirp detection */ +#define NUM_DIFFS 3 +static const int FFT_NUM_SAMPLES = (NUM_DIFFS + 1); + +/* Threshold for difference of delta peaks */ +static const int MAX_DIFF = 2; + +/* width range to be checked for chirping */ +static const int MIN_CHIRP_PULSE_WIDTH = 20; +static const int MAX_CHIRP_PULSE_WIDTH = 110; + +struct ath9k_dfs_fft_20 { + u8 bin[28]; + u8 lower_bins[3]; +} __packed; +struct ath9k_dfs_fft_40 { + u8 bin[64]; + u8 lower_bins[3]; + u8 upper_bins[3]; +} __packed; + +static inline int fft_max_index(u8 *bins) +{ + return (bins[2] & 0xfc) >> 2; +} +static inline int fft_max_magnitude(u8 *bins) +{ + return (bins[0] & 0xc0) >> 6 | bins[1] << 2 | (bins[2] & 0x03) << 10; +} +static inline u8 fft_bitmap_weight(u8 *bins) +{ + return bins[0] & 0x3f; +} + +static int ath9k_get_max_index_ht40(struct ath9k_dfs_fft_40 *fft, + bool is_ctl, bool is_ext) +{ + const int DFS_UPPER_BIN_OFFSET = 64; + /* if detected radar on both channels, select the significant one */ + if (is_ctl && is_ext) { + /* first check wether channels have 'strong' bins */ + is_ctl = fft_bitmap_weight(fft->lower_bins) != 0; + is_ext = fft_bitmap_weight(fft->upper_bins) != 0; + + /* if still unclear, take higher magnitude */ + if (is_ctl && is_ext) { + int mag_lower = fft_max_magnitude(fft->lower_bins); + int mag_upper = fft_max_magnitude(fft->upper_bins); + if (mag_upper > mag_lower) + is_ctl = false; + else + is_ext = false; + } + } + if (is_ctl) + return fft_max_index(fft->lower_bins); + return fft_max_index(fft->upper_bins) + DFS_UPPER_BIN_OFFSET; +} +static bool ath9k_check_chirping(struct ath_softc *sc, u8 *data, + int datalen, bool is_ctl, bool is_ext) +{ + int i; + int max_bin[FFT_NUM_SAMPLES]; + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); + int prev_delta; + + if (IS_CHAN_HT40(ah->curchan)) { + struct ath9k_dfs_fft_40 *fft = (struct ath9k_dfs_fft_40 *) data; + int num_fft_packets = datalen / sizeof(*fft); + if (num_fft_packets == 0) + return false; + + ath_dbg(common, DFS, "HT40: datalen=%d, num_fft_packets=%d\n", + datalen, num_fft_packets); + if (num_fft_packets < (FFT_NUM_SAMPLES)) { + ath_dbg(common, DFS, "not enough packets for chirp\n"); + return false; + } + /* HW sometimes adds 2 garbage bytes in front of FFT samples */ + if ((datalen % sizeof(*fft)) == 2) { + fft = (struct ath9k_dfs_fft_40 *) (data + 2); + ath_dbg(common, DFS, "fixing datalen by 2\n"); + } + if (IS_CHAN_HT40MINUS(ah->curchan)) { + int temp = is_ctl; + is_ctl = is_ext; + is_ext = temp; + } + for (i = 0; i < FFT_NUM_SAMPLES; i++) + max_bin[i] = ath9k_get_max_index_ht40(fft + i, is_ctl, + is_ext); + } else { + struct ath9k_dfs_fft_20 *fft = (struct ath9k_dfs_fft_20 *) data; + int num_fft_packets = datalen / sizeof(*fft); + if (num_fft_packets == 0) + return false; + ath_dbg(common, DFS, "HT20: datalen=%d, num_fft_packets=%d\n", + datalen, num_fft_packets); + if (num_fft_packets < (FFT_NUM_SAMPLES)) { + ath_dbg(common, DFS, "not enough packets for chirp\n"); + return false; + } + /* in ht20, this is a 6-bit signed number => shift it to 0 */ + for (i = 0; i < FFT_NUM_SAMPLES; i++) + max_bin[i] = fft_max_index(fft[i].lower_bins) ^ 0x20; + } + ath_dbg(common, DFS, "bin_max = [%d, %d, %d, %d]\n", + max_bin[0], max_bin[1], max_bin[2], max_bin[3]); + + /* Check for chirp attributes within specs + * a) delta of adjacent max_bins is within range + * b) delta of adjacent deltas are within tolerance + */ + prev_delta = 0; + for (i = 0; i < NUM_DIFFS; i++) { + int ddelta = -1; + int delta = max_bin[i + 1] - max_bin[i]; + + /* ensure gradient is within valid range */ + if (abs(delta) < BIN_DELTA_MIN || abs(delta) > BIN_DELTA_MAX) { + ath_dbg(common, DFS, "CHIRP: invalid delta %d " + "in sample %d\n", delta, i); + return false; + } + if (i == 0) + goto done; + ddelta = delta - prev_delta; + if (abs(ddelta) > MAX_DIFF) { + ath_dbg(common, DFS, "CHIRP: ddelta %d too high\n", + ddelta); + return false; + } +done: + ath_dbg(common, DFS, "CHIRP - %d: delta=%d, ddelta=%d\n", + i, delta, ddelta); + prev_delta = delta; + } + return true; +} +/**** end: CHIRP **************************************************************/ + /* convert pulse duration to usecs, considering clock mode */ static u32 dur_to_usecs(struct ath_hw *ah, u32 dur) { @@ -113,12 +264,6 @@ ath9k_postprocess_radar_event(struct ath_softc *sc, return false; } - /* - * TODO: check chirping pulses - * checks for chirping are dependent on the DFS regulatory domain - * used, which is yet TBD - */ - /* convert duration to usecs */ pe->width = dur_to_usecs(sc->sc_ah, dur); pe->rssi = rssi; @@ -190,6 +335,16 @@ void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data, if (!ath9k_postprocess_radar_event(sc, &ard, &pe)) return; + if (pe.width > MIN_CHIRP_PULSE_WIDTH && + pe.width < MAX_CHIRP_PULSE_WIDTH) { + bool is_ctl = !!(ard.pulse_bw_info & PRI_CH_RADAR_FOUND); + bool is_ext = !!(ard.pulse_bw_info & EXT_CH_RADAR_FOUND); + int clen = datalen - 3; + pe.chirp = ath9k_check_chirping(sc, data, clen, is_ctl, is_ext); + } else { + pe.chirp = false; + } + ath_dbg(common, DFS, "ath9k_dfs_process_phyerr: type=%d, freq=%d, ts=%llu, " "width=%d, rssi=%d, delta_ts=%llu\n", @@ -198,7 +353,8 @@ void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data, sc->dfs_prev_pulse_ts = pe.ts; if (ard.pulse_bw_info & PRI_CH_RADAR_FOUND) ath9k_dfs_process_radar_pulse(sc, &pe); - if (ard.pulse_bw_info & EXT_CH_RADAR_FOUND) { + if (IS_CHAN_HT40(ah->curchan) && + ard.pulse_bw_info & EXT_CH_RADAR_FOUND) { pe.freq += IS_CHAN_HT40PLUS(ah->curchan) ? 20 : -20; ath9k_dfs_process_radar_pulse(sc, &pe); } diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index 39eaf9b6e..1e84882f8 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -74,7 +74,7 @@ static struct ath_ps_ops ath9k_htc_ps_ops = { static int ath9k_htc_wait_for_target(struct ath9k_htc_priv *priv) { - int time_left; + unsigned long time_left; if (atomic_read(&priv->htc->tgt_ready) > 0) { atomic_dec(&priv->htc->tgt_ready); diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index dab1323df..172a9ff4a 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -794,8 +794,11 @@ void ath9k_htc_ani_work(struct work_struct *work) common->ani.longcal_timer = timestamp; } - /* Short calibration applies only while caldone is false */ - if (!common->ani.caldone) { + /* + * Short calibration applies only while caldone + * is false or -ETIMEDOUT + */ + if (common->ani.caldone <= 0) { if ((timestamp - common->ani.shortcal_timer) >= short_cal_interval) { shortcal = true; @@ -844,7 +847,11 @@ set_timer: */ cal_interval = ATH_LONG_CALINTERVAL; cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL); - if (!common->ani.caldone) + /* + * Short calibration applies only while caldone + * is false or -ETIMEDOUT + */ + if (common->ani.caldone <= 0) cal_interval = min(cal_interval, (u32)short_cal_interval); ieee80211_queue_delayed_work(common->hw, &priv->ani_work, diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c index d2408da38..2294709ee 100644 --- a/drivers/net/wireless/ath/ath9k/htc_hst.c +++ b/drivers/net/wireless/ath/ath9k/htc_hst.c @@ -146,7 +146,8 @@ static int htc_config_pipe_credits(struct htc_target *target) { struct sk_buff *skb; struct htc_config_pipe_msg *cp_msg; - int ret, time_left; + int ret; + unsigned long time_left; skb = alloc_skb(50 + sizeof(struct htc_frame_hdr), GFP_ATOMIC); if (!skb) { @@ -184,7 +185,8 @@ static int htc_setup_complete(struct htc_target *target) { struct sk_buff *skb; struct htc_comp_msg *comp_msg; - int ret = 0, time_left; + int ret = 0; + unsigned long time_left; skb = alloc_skb(50 + sizeof(struct htc_frame_hdr), GFP_ATOMIC); if (!skb) { @@ -236,7 +238,8 @@ int htc_connect_service(struct htc_target *target, struct sk_buff *skb; struct htc_endpoint *endpoint; struct htc_conn_svc_msg *conn_msg; - int ret, time_left; + int ret; + unsigned long time_left; /* Find an available endpoint */ endpoint = get_next_avail_ep(target->endpoint); diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index a31a6804d..1dd0339de 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -3186,6 +3186,7 @@ static struct { { AR_SREV_VERSION_9550, "9550" }, { AR_SREV_VERSION_9565, "9565" }, { AR_SREV_VERSION_9531, "9531" }, + { AR_SREV_VERSION_9561, "9561" }, }; /* For devices with external radios */ diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index eff0e5325..90eb75012 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -736,13 +736,14 @@ static const struct ieee80211_iface_limit if_limits_multi[] = { BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO) }, { .max = 1, .types = BIT(NL80211_IFTYPE_ADHOC) }, + { .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) }, }; static const struct ieee80211_iface_combination if_comb_multi[] = { { .limits = if_limits_multi, .n_limits = ARRAY_SIZE(if_limits_multi), - .max_interfaces = 2, + .max_interfaces = 3, .num_different_channels = 2, .beacon_int_infra_match = true, }, @@ -826,6 +827,7 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) ieee80211_hw_set(hw, SIGNAL_DBM); ieee80211_hw_set(hw, RX_INCLUDES_FCS); ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING); + ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); if (ath9k_ps_enable) ieee80211_hw_set(hw, SUPPORTS_PS); @@ -855,6 +857,10 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) BIT(NL80211_IFTYPE_MESH_POINT) | BIT(NL80211_IFTYPE_WDS); + if (ath9k_is_chanctx_enabled()) + hw->wiphy->interface_modes |= + BIT(NL80211_IFTYPE_P2P_DEVICE); + hw->wiphy->iface_combinations = if_comb; hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb); } @@ -874,6 +880,7 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) hw->max_rate_tries = 10; hw->sta_data_size = sizeof(struct ath_node); hw->vif_data_size = sizeof(struct ath_vif); + hw->extra_tx_headroom = 4; hw->wiphy->available_antennas_rx = BIT(ah->caps.max_rxchains) - 1; hw->wiphy->available_antennas_tx = BIT(ah->caps.max_txchains) - 1; diff --git a/drivers/net/wireless/ath/ath9k/link.c b/drivers/net/wireless/ath/ath9k/link.c index 90631d768..5ad0feeeb 100644 --- a/drivers/net/wireless/ath/ath9k/link.c +++ b/drivers/net/wireless/ath/ath9k/link.c @@ -172,7 +172,7 @@ static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); struct ath_tx_control txctl; - int time_left; + unsigned long time_left; memset(&txctl, 0, sizeof(txctl)); txctl.txq = sc->tx.txq_map[IEEE80211_AC_BE]; diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index cfd45cb8c..c27143ba9 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1459,13 +1459,18 @@ static void ath9k_configure_filter(struct ieee80211_hw *hw, u64 multicast) { struct ath_softc *sc = hw->priv; + struct ath_chanctx *ctx; u32 rfilt; changed_flags &= SUPPORTED_FILTERS; *total_flags &= SUPPORTED_FILTERS; spin_lock_bh(&sc->chan_lock); - sc->cur_chan->rxfilter = *total_flags; + ath_for_each_chanctx(sc, ctx) + ctx->rxfilter = *total_flags; +#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT + sc->offchannel.chan.rxfilter = *total_flags; +#endif spin_unlock_bh(&sc->chan_lock); ath9k_ps_wakeup(sc); @@ -2246,7 +2251,7 @@ static void ath9k_cancel_pending_offchannel(struct ath_softc *sc) del_timer_sync(&sc->offchannel.timer); if (sc->offchannel.state >= ATH_OFFCHANNEL_ROC_START) - ath_roc_complete(sc, true); + ath_roc_complete(sc, ATH_ROC_COMPLETE_ABORT); } if (test_bit(ATH_OP_SCANNING, &common->op_flags)) { @@ -2355,7 +2360,7 @@ static int ath9k_cancel_remain_on_channel(struct ieee80211_hw *hw) if (sc->offchannel.roc_vif) { if (sc->offchannel.state >= ATH_OFFCHANNEL_ROC_START) - ath_roc_complete(sc, true); + ath_roc_complete(sc, ATH_ROC_COMPLETE_CANCEL); } mutex_unlock(&sc->mutex); diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 6c75fb1ab..d3189daf9 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -491,10 +491,9 @@ bool ath_stoprecv(struct ath_softc *sc) if (!(ah->ah_flags & AH_UNPLUGGED) && unlikely(!stopped)) { - ath_err(ath9k_hw_common(sc->sc_ah), - "Could not stop RX, we could be " - "confusing the DMA engine when we start RX up\n"); - ATH_DBG_WARN_ON_ONCE(!stopped); + ath_dbg(ath9k_hw_common(sc->sc_ah), RESET, + "Failed to stop Rx DMA\n"); + RESET_STAT_INC(sc, RESET_RX_DMA_ERROR); } return stopped && !reset; } diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c index ca533b432..9c16e2a6d 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.c +++ b/drivers/net/wireless/ath/ath9k/wmi.c @@ -299,7 +299,8 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id, sizeof(struct wmi_cmd_hdr); struct sk_buff *skb; u8 *data; - int time_left, ret = 0; + unsigned long time_left; + int ret = 0; if (ah->ah_flags & AH_UNPLUGGED) return 0; diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 3ad79bb4f..3e3dac3d7 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -106,7 +106,6 @@ void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq) static void ath_tx_queue_tid(struct ath_softc *sc, struct ath_txq *txq, struct ath_atx_tid *tid) { - struct ath_atx_ac *ac = tid->ac; struct list_head *list; struct ath_vif *avp = (struct ath_vif *) tid->an->vif->drv_priv; struct ath_chanctx *ctx = avp->chanctx; @@ -114,19 +113,9 @@ static void ath_tx_queue_tid(struct ath_softc *sc, struct ath_txq *txq, if (!ctx) return; - if (tid->sched) - return; - - tid->sched = true; - list_add_tail(&tid->list, &ac->tid_q); - - if (ac->sched) - return; - - ac->sched = true; - list = &ctx->acq[TID_TO_WME_AC(tid->tidno)]; - list_add_tail(&ac->list, list); + if (list_empty(&tid->list)) + list_add_tail(&tid->list, list); } static struct ath_frame_info *get_frame_info(struct sk_buff *skb) @@ -208,7 +197,7 @@ static struct sk_buff *ath_tid_dequeue(struct ath_atx_tid *tid) static void ath_tx_tid_change_state(struct ath_softc *sc, struct ath_atx_tid *tid) { - struct ath_txq *txq = tid->ac->txq; + struct ath_txq *txq = tid->txq; struct ieee80211_tx_info *tx_info; struct sk_buff *skb, *tskb; struct ath_buf *bf; @@ -237,7 +226,7 @@ ath_tx_tid_change_state(struct ath_softc *sc, struct ath_atx_tid *tid) static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid) { - struct ath_txq *txq = tid->ac->txq; + struct ath_txq *txq = tid->txq; struct sk_buff *skb; struct ath_buf *bf; struct list_head bf_head; @@ -644,7 +633,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, ath_tx_queue_tid(sc, txq, tid); if (ts->ts_status & (ATH9K_TXERR_FILT | ATH9K_TXERR_XRETRY)) - tid->ac->clear_ps_filter = true; + tid->clear_ps_filter = true; } } @@ -734,7 +723,7 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf, struct ieee80211_tx_rate *rates; u32 max_4ms_framelen, frmlen; u16 aggr_limit, bt_aggr_limit, legacy = 0; - int q = tid->ac->txq->mac80211_qnum; + int q = tid->txq->mac80211_qnum; int i; skb = bf->bf_mpdu; @@ -1471,8 +1460,8 @@ static bool ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq, if (list_empty(&bf_q)) return false; - if (tid->ac->clear_ps_filter || tid->an->no_ps_filter) { - tid->ac->clear_ps_filter = false; + if (tid->clear_ps_filter || tid->an->no_ps_filter) { + tid->clear_ps_filter = false; tx_info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT; } @@ -1491,7 +1480,7 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, an = (struct ath_node *)sta->drv_priv; txtid = ATH_AN_2_TID(an, tid); - txq = txtid->ac->txq; + txq = txtid->txq; ath_txq_lock(sc, txq); @@ -1525,7 +1514,7 @@ void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid) { struct ath_node *an = (struct ath_node *)sta->drv_priv; struct ath_atx_tid *txtid = ATH_AN_2_TID(an, tid); - struct ath_txq *txq = txtid->ac->txq; + struct ath_txq *txq = txtid->txq; ath_txq_lock(sc, txq); txtid->active = false; @@ -1538,7 +1527,6 @@ void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc, struct ath_node *an) { struct ath_atx_tid *tid; - struct ath_atx_ac *ac; struct ath_txq *txq; bool buffered; int tidno; @@ -1546,25 +1534,18 @@ void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc, for (tidno = 0, tid = &an->tid[tidno]; tidno < IEEE80211_NUM_TIDS; tidno++, tid++) { - ac = tid->ac; - txq = ac->txq; + txq = tid->txq; ath_txq_lock(sc, txq); - if (!tid->sched) { + if (list_empty(&tid->list)) { ath_txq_unlock(sc, txq); continue; } buffered = ath_tid_has_buffered(tid); - tid->sched = false; - list_del(&tid->list); - - if (ac->sched) { - ac->sched = false; - list_del(&ac->list); - } + list_del_init(&tid->list); ath_txq_unlock(sc, txq); @@ -1575,18 +1556,16 @@ void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc, void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an) { struct ath_atx_tid *tid; - struct ath_atx_ac *ac; struct ath_txq *txq; int tidno; for (tidno = 0, tid = &an->tid[tidno]; tidno < IEEE80211_NUM_TIDS; tidno++, tid++) { - ac = tid->ac; - txq = ac->txq; + txq = tid->txq; ath_txq_lock(sc, txq); - ac->clear_ps_filter = true; + tid->clear_ps_filter = true; if (ath_tid_has_buffered(tid)) { ath_tx_queue_tid(sc, txq, tid); @@ -1606,7 +1585,7 @@ void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, an = (struct ath_node *)sta->drv_priv; tid = ATH_AN_2_TID(an, tidno); - txq = tid->ac->txq; + txq = tid->txq; ath_txq_lock(sc, txq); @@ -1645,7 +1624,7 @@ void ath9k_release_buffered_frames(struct ieee80211_hw *hw, tid = ATH_AN_2_TID(an, i); - ath_txq_lock(sc, tid->ac->txq); + ath_txq_lock(sc, tid->txq); while (nframes > 0) { bf = ath_tx_get_tid_subframe(sc, sc->tx.uapsdq, tid, &tid_q); if (!bf) @@ -1669,7 +1648,7 @@ void ath9k_release_buffered_frames(struct ieee80211_hw *hw, if (an->sta && !ath_tid_has_buffered(tid)) ieee80211_sta_set_buffered(an->sta, i, false); } - ath_txq_unlock_complete(sc, tid->ac->txq); + ath_txq_unlock_complete(sc, tid->txq); } if (list_empty(&bf_q)) @@ -1883,8 +1862,11 @@ bool ath_drain_all_txq(struct ath_softc *sc) npend |= BIT(i); } - if (npend) - ath_err(common, "Failed to stop TX DMA, queues=0x%03x!\n", npend); + if (npend) { + RESET_STAT_INC(sc, RESET_TX_DMA_ERROR); + ath_dbg(common, RESET, + "Failed to stop TX DMA, queues=0x%03x!\n", npend); + } for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) { if (!ATH_TXQ_SETUP(sc, i)) @@ -1915,9 +1897,8 @@ void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq) void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq) { struct ath_common *common = ath9k_hw_common(sc->sc_ah); - struct ath_atx_ac *ac, *last_ac; struct ath_atx_tid *tid, *last_tid; - struct list_head *ac_list; + struct list_head *tid_list; bool sent = false; if (txq->mac80211_qnum < 0) @@ -1927,63 +1908,45 @@ void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq) return; spin_lock_bh(&sc->chan_lock); - ac_list = &sc->cur_chan->acq[txq->mac80211_qnum]; + tid_list = &sc->cur_chan->acq[txq->mac80211_qnum]; - if (list_empty(ac_list)) { + if (list_empty(tid_list)) { spin_unlock_bh(&sc->chan_lock); return; } rcu_read_lock(); - last_ac = list_entry(ac_list->prev, struct ath_atx_ac, list); - while (!list_empty(ac_list)) { + last_tid = list_entry(tid_list->prev, struct ath_atx_tid, list); + while (!list_empty(tid_list)) { bool stop = false; if (sc->cur_chan->stopped) break; - ac = list_first_entry(ac_list, struct ath_atx_ac, list); - last_tid = list_entry(ac->tid_q.prev, struct ath_atx_tid, list); - list_del(&ac->list); - ac->sched = false; - - while (!list_empty(&ac->tid_q)) { - - tid = list_first_entry(&ac->tid_q, struct ath_atx_tid, - list); - list_del(&tid->list); - tid->sched = false; - - if (ath_tx_sched_aggr(sc, txq, tid, &stop)) - sent = true; - - /* - * add tid to round-robin queue if more frames - * are pending for the tid - */ - if (ath_tid_has_buffered(tid)) - ath_tx_queue_tid(sc, txq, tid); + tid = list_first_entry(tid_list, struct ath_atx_tid, list); + list_del_init(&tid->list); - if (stop || tid == last_tid) - break; - } + if (ath_tx_sched_aggr(sc, txq, tid, &stop)) + sent = true; - if (!list_empty(&ac->tid_q) && !ac->sched) { - ac->sched = true; - list_add_tail(&ac->list, ac_list); - } + /* + * add tid to round-robin queue if more frames + * are pending for the tid + */ + if (ath_tid_has_buffered(tid)) + ath_tx_queue_tid(sc, txq, tid); if (stop) break; - if (ac == last_ac) { + if (tid == last_tid) { if (!sent) break; sent = false; - last_ac = list_entry(ac_list->prev, - struct ath_atx_ac, list); + last_tid = list_entry(tid_list->prev, + struct ath_atx_tid, list); } } @@ -2373,10 +2336,10 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, txq = sc->tx.uapsdq; ath_txq_lock(sc, txq); } else if (txctl->an && queue) { - WARN_ON(tid->ac->txq != txctl->txq); + WARN_ON(tid->txq != txctl->txq); if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT) - tid->ac->clear_ps_filter = true; + tid->clear_ps_filter = true; /* * Add this frame to software queue for scheduling later @@ -2470,8 +2433,8 @@ void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif, bf = list_first_entry(&bf_q, struct ath_buf, list); hdr = (struct ieee80211_hdr *) bf->bf_mpdu->data; - if (hdr->frame_control & IEEE80211_FCTL_MOREDATA) { - hdr->frame_control &= ~IEEE80211_FCTL_MOREDATA; + if (hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) { + hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_MOREDATA); dma_sync_single_for_device(sc->dev, bf->bf_buf_addr, sizeof(*hdr), DMA_TO_DEVICE); } @@ -2870,7 +2833,6 @@ int ath_tx_init(struct ath_softc *sc, int nbufs) void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an) { struct ath_atx_tid *tid; - struct ath_atx_ac *ac; int tidno, acno; for (tidno = 0, tid = &an->tid[tidno]; @@ -2881,26 +2843,18 @@ void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an) tid->seq_start = tid->seq_next = 0; tid->baw_size = WME_MAX_BA; tid->baw_head = tid->baw_tail = 0; - tid->sched = false; tid->active = false; + tid->clear_ps_filter = true; __skb_queue_head_init(&tid->buf_q); __skb_queue_head_init(&tid->retry_q); + INIT_LIST_HEAD(&tid->list); acno = TID_TO_WME_AC(tidno); - tid->ac = &an->ac[acno]; - } - - for (acno = 0, ac = &an->ac[acno]; - acno < IEEE80211_NUM_ACS; acno++, ac++) { - ac->sched = false; - ac->clear_ps_filter = true; - ac->txq = sc->tx.txq_map[acno]; - INIT_LIST_HEAD(&ac->tid_q); + tid->txq = sc->tx.txq_map[acno]; } } void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an) { - struct ath_atx_ac *ac; struct ath_atx_tid *tid; struct ath_txq *txq; int tidno; @@ -2908,20 +2862,12 @@ void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an) for (tidno = 0, tid = &an->tid[tidno]; tidno < IEEE80211_NUM_TIDS; tidno++, tid++) { - ac = tid->ac; - txq = ac->txq; + txq = tid->txq; ath_txq_lock(sc, txq); - if (tid->sched) { - list_del(&tid->list); - tid->sched = false; - } - - if (ac->sched) { - list_del(&ac->list); - tid->ac->sched = false; - } + if (!list_empty(&tid->list)) + list_del_init(&tid->list); ath_tid_drain(sc, txq, tid); tid->active = false; |