X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/d349dd54e7b15d674e13020f71d9644607789a1f..c9a1f8fd98c8bb459c752f870b612112dbc503df:/package/mac80211/patches/300-pending_work.patch diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index 782f7d787..1b7f41b19 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -1,697 +1,515 @@ ---- a/drivers/net/wireless/ath/ath9k/hw.h -+++ b/drivers/net/wireless/ath/ath9k/hw.h -@@ -603,7 +603,6 @@ struct ath_hw_ops { - int power_off); - void (*rx_enable)(struct ath_hw *ah); - void (*set_desc_link)(void *ds, u32 link); -- void (*get_desc_link)(void *ds, u32 **link); - bool (*calibrate)(struct ath_hw *ah, - struct ath9k_channel *chan, - u8 rxchainmask, +--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c ++++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c +@@ -203,7 +203,7 @@ static void ar9002_hw_iqcalibrate(struct + i); + + ath_dbg(common, ATH_DBG_CALIBRATE, +- "Orignal: Chn %diq_corr_meas = 0x%08x\n", ++ "Original: Chn %d iq_corr_meas = 0x%08x\n", + i, ah->totalIqCorrMeas[i]); + + iqCorrNeg = 0; +--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c ++++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c +@@ -226,7 +226,7 @@ static void ar9003_hw_iqcalibrate(struct + i); + + ath_dbg(common, ATH_DBG_CALIBRATE, +- "Orignal: Chn %diq_corr_meas = 0x%08x\n", ++ "Original: Chn %d iq_corr_meas = 0x%08x\n", + i, ah->totalIqCorrMeas[i]); + + iqCorrNeg = 0; +--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c ++++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c +@@ -808,7 +808,8 @@ void ath9k_htc_ani_work(struct work_stru + } + + /* Verify whether we must check ANI */ +- if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) { ++ if (ah->config.enable_ani && ++ (timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) { + aniflag = true; + common->ani.checkani_timer = timestamp; + } +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -504,7 +504,7 @@ static int ath9k_hw_post_init(struct ath + return ecode; + } + +- if (!AR_SREV_9100(ah) && !AR_SREV_9340(ah)) { ++ if (ah->config.enable_ani) { + ath9k_hw_ani_setup(ah); + ath9k_hw_ani_init(ah); + } +@@ -610,6 +610,10 @@ static int __ath9k_hw_init(struct ath_hw + if (!AR_SREV_9300_20_OR_LATER(ah)) + ah->ani_function &= ~ATH9K_ANI_MRC_CCK; + ++ /* disable ANI for 9340 */ ++ if (AR_SREV_9340(ah)) ++ ah->config.enable_ani = false; ++ + ath9k_hw_init_mode_regs(ah); + + if (!ah->is_pciexpress) --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -62,8 +62,6 @@ static bool ath9k_has_pending_frames(str - - if (txq->axq_depth || !list_empty(&txq->axq_acq)) - pending = true; -- else if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) -- pending = !list_empty(&txq->txq_fifo_pending); - - spin_unlock_bh(&txq->axq_lock); - return pending; ---- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c -+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c -@@ -28,11 +28,6 @@ static void ar9002_hw_set_desc_link(void - ((struct ath_desc*) ds)->ds_link = ds_link; +@@ -118,7 +118,7 @@ void ath9k_ps_restore(struct ath_softc * + if (--sc->ps_usecount != 0) + goto unlock; + +- if (sc->ps_idle) ++ if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK)) + mode = ATH9K_PM_FULL_SLEEP; + else if (sc->ps_enabled && + !(sc->ps_flags & (PS_WAIT_FOR_BEACON | +@@ -286,7 +286,7 @@ static bool ath_complete_reset(struct at + ath_start_ani(common); + } + +- if (ath9k_hw_ops(ah)->antdiv_comb_conf_get && sc->ant_rx != 3) { ++ if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx != 3) { + struct ath_hw_antcomb_conf div_ant_conf; + u8 lna_conf; + +@@ -332,7 +332,8 @@ static int ath_reset_internal(struct ath + hchan = ah->curchan; + } + +- if (fastcc && !ath9k_hw_check_alive(ah)) ++ if (fastcc && (ah->chip_fullsleep || ++ !ath9k_hw_check_alive(ah))) + fastcc = false; + + if (!ath_prepare_reset(sc, retry_tx, flush)) +@@ -561,7 +562,6 @@ void ath_ani_calibrate(unsigned long dat + /* Long calibration runs independently of short calibration. */ + if ((timestamp - common->ani.longcal_timer) >= long_cal_interval) { + longcal = true; +- ath_dbg(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies); + common->ani.longcal_timer = timestamp; + } + +@@ -569,8 +569,6 @@ void ath_ani_calibrate(unsigned long dat + if (!common->ani.caldone) { + if ((timestamp - common->ani.shortcal_timer) >= short_cal_interval) { + shortcal = true; +- ath_dbg(common, ATH_DBG_ANI, +- "shortcal @%lu\n", jiffies); + common->ani.shortcal_timer = timestamp; + common->ani.resetcal_timer = timestamp; + } +@@ -584,8 +582,9 @@ void ath_ani_calibrate(unsigned long dat + } + + /* Verify whether we must check ANI */ +- if ((timestamp - common->ani.checkani_timer) >= +- ah->config.ani_poll_interval) { ++ if (sc->sc_ah->config.enable_ani ++ && (timestamp - common->ani.checkani_timer) >= ++ ah->config.ani_poll_interval) { + aniflag = true; + common->ani.checkani_timer = timestamp; + } +@@ -605,6 +604,11 @@ void ath_ani_calibrate(unsigned long dat + ah->rxchainmask, longcal); + } + ++ ath_dbg(common, ATH_DBG_ANI, ++ "Calibration @%lu finished: %s %s %s, caldone: %s\n", jiffies, ++ longcal ? "long" : "", shortcal ? "short" : "", ++ aniflag ? "ani" : "", common->ani.caldone ? "true" : "false"); ++ + ath9k_ps_restore(sc); + + set_timer: +@@ -886,82 +890,6 @@ chip_reset: + #undef SCHED_INTR } --static void ar9002_hw_get_desc_link(void *ds, u32 **ds_link) +-static void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw) -{ -- *ds_link = &((struct ath_desc *)ds)->ds_link; +- struct ath_hw *ah = sc->sc_ah; +- struct ath_common *common = ath9k_hw_common(ah); +- struct ieee80211_channel *channel = hw->conf.channel; +- int r; +- +- ath9k_ps_wakeup(sc); +- spin_lock_bh(&sc->sc_pcu_lock); +- atomic_set(&ah->intr_ref_cnt, -1); +- +- ath9k_hw_configpcipowersave(ah, false); +- +- if (!ah->curchan) +- ah->curchan = ath9k_cmn_get_curchannel(sc->hw, ah); +- +- r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); +- if (r) { +- ath_err(common, +- "Unable to reset channel (%u MHz), reset status %d\n", +- channel->center_freq, r); +- } +- +- ath_complete_reset(sc, true); +- +- /* Enable LED */ +- ath9k_hw_cfg_output(ah, ah->led_pin, +- AR_GPIO_OUTPUT_MUX_AS_OUTPUT); +- ath9k_hw_set_gpio(ah, ah->led_pin, 0); +- +- spin_unlock_bh(&sc->sc_pcu_lock); +- +- ath9k_ps_restore(sc); -} - - static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) - { - u32 isr = 0; -@@ -437,7 +432,6 @@ void ar9002_hw_attach_mac_ops(struct ath - - ops->rx_enable = ar9002_hw_rx_enable; - ops->set_desc_link = ar9002_hw_set_desc_link; -- ops->get_desc_link = ar9002_hw_get_desc_link; - ops->get_isr = ar9002_hw_get_isr; - ops->fill_txdesc = ar9002_hw_fill_txdesc; - ops->proc_txdesc = ar9002_hw_proc_txdesc; ---- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c -+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c -@@ -43,13 +43,6 @@ static void ar9003_hw_set_desc_link(void - ads->ctl10 |= ar9003_calc_ptr_chksum(ads); - } - --static void ar9003_hw_get_desc_link(void *ds, u32 **ds_link) +-void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw) -{ -- struct ar9003_txc *ads = ds; +- struct ath_hw *ah = sc->sc_ah; +- struct ieee80211_channel *channel = hw->conf.channel; +- int r; +- +- ath9k_ps_wakeup(sc); +- +- ath_cancel_work(sc); - -- *ds_link = &ads->link; +- spin_lock_bh(&sc->sc_pcu_lock); +- +- /* +- * Keep the LED on when the radio is disabled +- * during idle unassociated state. +- */ +- if (!sc->ps_idle) { +- ath9k_hw_set_gpio(ah, ah->led_pin, 1); +- ath9k_hw_cfg_gpio_input(ah, ah->led_pin); +- } +- +- ath_prepare_reset(sc, false, true); +- +- if (!ah->curchan) +- ah->curchan = ath9k_cmn_get_curchannel(hw, ah); +- +- r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); +- if (r) { +- ath_err(ath9k_hw_common(sc->sc_ah), +- "Unable to reset channel (%u MHz), reset status %d\n", +- channel->center_freq, r); +- } +- +- ath9k_hw_phy_disable(ah); +- +- ath9k_hw_configpcipowersave(ah, true); +- +- spin_unlock_bh(&sc->sc_pcu_lock); +- ath9k_ps_restore(sc); -} - - static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked) + static int ath_reset(struct ath_softc *sc, bool retry_tx) { - u32 isr = 0; -@@ -498,7 +491,6 @@ void ar9003_hw_attach_mac_ops(struct ath - - ops->rx_enable = ar9003_hw_rx_enable; - ops->set_desc_link = ar9003_hw_set_desc_link; -- ops->get_desc_link = ar9003_hw_get_desc_link; - ops->get_isr = ar9003_hw_get_isr; - ops->fill_txdesc = ar9003_hw_fill_txdesc; - ops->proc_txdesc = ar9003_hw_proc_txdesc; ---- a/drivers/net/wireless/ath/ath9k/ath9k.h -+++ b/drivers/net/wireless/ath/ath9k/ath9k.h -@@ -179,7 +179,7 @@ enum ATH_AGGR_STATUS { - struct ath_txq { - int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */ - u32 axq_qnum; /* ath9k hardware queue number */ -- u32 *axq_link; -+ void *axq_link; - struct list_head axq_q; - spinlock_t axq_lock; - u32 axq_depth; -@@ -188,7 +188,6 @@ struct ath_txq { - bool axq_tx_inprogress; - struct list_head axq_acq; - struct list_head txq_fifo[ATH_TXFIFO_DEPTH]; -- struct list_head txq_fifo_pending; - u8 txq_headidx; - u8 txq_tailidx; - int pending_frames; ---- a/drivers/net/wireless/ath/ath9k/debug.c -+++ b/drivers/net/wireless/ath/ath9k/debug.c -@@ -550,6 +550,7 @@ static ssize_t read_file_xmit(struct fil - - PR("MPDUs Queued: ", queued); - PR("MPDUs Completed: ", completed); -+ PR("MPDUs XRetried: ", xretries); - PR("Aggregates: ", a_aggr); - PR("AMPDUs Queued HW:", a_queued_hw); - PR("AMPDUs Queued SW:", a_queued_sw); -@@ -587,7 +588,6 @@ static ssize_t read_file_xmit(struct fil - - PRQLE("axq_q empty: ", axq_q); - PRQLE("axq_acq empty: ", axq_acq); -- PRQLE("txq_fifo_pending: ", txq_fifo_pending); - for (i = 0; i < ATH_TXFIFO_DEPTH; i++) { - snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i); - PRQLE(tmp, txq_fifo[i]); -@@ -807,7 +807,10 @@ void ath_debug_stat_tx(struct ath_softc - else - TX_STAT_INC(qnum, a_completed); - } else { -- TX_STAT_INC(qnum, completed); -+ if (bf_isxretried(bf)) -+ TX_STAT_INC(qnum, xretries); -+ else -+ TX_STAT_INC(qnum, completed); + int r; +@@ -1097,6 +1025,9 @@ static int ath9k_start(struct ieee80211_ + * and then setup of the interrupt mask. + */ + spin_lock_bh(&sc->sc_pcu_lock); ++ ++ atomic_set(&ah->intr_ref_cnt, -1); ++ + r = ath9k_hw_reset(ah, init_channel, ah->caldata, false); + if (r) { + ath_err(common, +@@ -1138,6 +1069,18 @@ static int ath9k_start(struct ieee80211_ + goto mutex_unlock; } - if (ts->ts_status & ATH9K_TXERR_FIFO) ---- a/drivers/net/wireless/ath/ath9k/hw-ops.h -+++ b/drivers/net/wireless/ath/ath9k/hw-ops.h -@@ -39,11 +39,6 @@ static inline void ath9k_hw_set_desc_lin - ath9k_hw_ops(ah)->set_desc_link(ds, link); - } ++ if (ah->led_pin >= 0) { ++ ath9k_hw_cfg_output(ah, ah->led_pin, ++ AR_GPIO_OUTPUT_MUX_AS_OUTPUT); ++ ath9k_hw_set_gpio(ah, ah->led_pin, 0); ++ } ++ ++ /* ++ * Reset key cache to sane defaults (all entries cleared) instead of ++ * semi-random values after suspend/resume. ++ */ ++ ath9k_cmn_init_crypto(sc->sc_ah); ++ + spin_unlock_bh(&sc->sc_pcu_lock); --static inline void ath9k_hw_get_desc_link(struct ath_hw *ah, void *ds, -- u32 **link) --{ -- ath9k_hw_ops(ah)->get_desc_link(ds, link); --} - static inline bool ath9k_hw_calibrate(struct ath_hw *ah, - struct ath9k_channel *chan, - u8 rxchainmask, ---- a/drivers/net/wireless/ath/ath9k/xmit.c -+++ b/drivers/net/wireless/ath/ath9k/xmit.c -@@ -53,7 +53,7 @@ static void ath_tx_complete_buf(struct a - struct ath_txq *txq, struct list_head *bf_q, - struct ath_tx_status *ts, int txok, int sendbar); - static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq, -- struct list_head *head); -+ struct list_head *head, bool internal); - static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len); - static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf, - struct ath_tx_status *ts, int nframes, int nbad, -@@ -377,8 +377,7 @@ static void ath_tx_complete_aggr(struct - bf_next = bf->bf_next; - - bf->bf_state.bf_type |= BUF_XRETRY; -- if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) || -- !bf->bf_stale || bf_next != NULL) -+ if (!bf->bf_stale || bf_next != NULL) - list_move_tail(&bf->list, &bf_head); - - ath_tx_rc_status(sc, bf, ts, 1, 1, 0, false); -@@ -463,20 +462,14 @@ static void ath_tx_complete_aggr(struct - } + if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) && +@@ -1183,6 +1126,13 @@ static void ath9k_tx(struct ieee80211_hw } + } -- if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) && -- bf_next == NULL) { -- /* -- * Make sure the last desc is reclaimed if it -- * not a holding desc. -- */ -- if (!bf_last->bf_stale) -- list_move_tail(&bf->list, &bf_head); -- else -- INIT_LIST_HEAD(&bf_head); -- } else { -- BUG_ON(list_empty(bf_q)); -+ /* -+ * Make sure the last desc is reclaimed if it -+ * not a holding desc. -+ */ -+ if (!bf_last->bf_stale || bf_next != NULL) - list_move_tail(&bf->list, &bf_head); -- } -+ else -+ INIT_LIST_HEAD(&bf_head); - - if (!txpending || (tid->state & AGGR_CLEANUP)) { - /* -@@ -837,7 +830,7 @@ static void ath_tx_sched_aggr(struct ath - bf->bf_state.bf_type &= ~BUF_AGGR; - ath9k_hw_clr11n_aggr(sc->sc_ah, bf->bf_desc); - ath_buf_set_rate(sc, bf, fi->framelen); -- ath_tx_txqaddbuf(sc, txq, &bf_q); -+ ath_tx_txqaddbuf(sc, txq, &bf_q, false); - continue; - } ++ /* ++ * Cannot tx while the hardware is in full sleep, it first needs a full ++ * chip reset to recover from that ++ */ ++ if (unlikely(sc->sc_ah->power_mode == ATH9K_PM_FULL_SLEEP)) ++ goto exit; ++ + if (unlikely(sc->sc_ah->power_mode != ATH9K_PM_AWAKE)) { + /* + * We are using PS-Poll and mac80211 can request TX while in +@@ -1229,6 +1179,7 @@ static void ath9k_stop(struct ieee80211_ + struct ath_softc *sc = hw->priv; + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); ++ bool prev_idle; -@@ -849,7 +842,7 @@ static void ath_tx_sched_aggr(struct ath - /* anchor last desc of aggregate */ - ath9k_hw_set11n_aggr_last(sc->sc_ah, bf->bf_lastbf->bf_desc); + mutex_lock(&sc->mutex); -- ath_tx_txqaddbuf(sc, txq, &bf_q); -+ ath_tx_txqaddbuf(sc, txq, &bf_q, false); - TX_STAT_INC(txq->axq_qnum, a_aggr); +@@ -1259,35 +1210,45 @@ static void ath9k_stop(struct ieee80211_ + * before setting the invalid flag. */ + ath9k_hw_disable_interrupts(ah); - } while (txq->axq_ampdu_depth < ATH_AGGR_MIN_QDEPTH && -@@ -1085,7 +1078,6 @@ struct ath_txq *ath_txq_setup(struct ath - txq->txq_headidx = txq->txq_tailidx = 0; - for (i = 0; i < ATH_TXFIFO_DEPTH; i++) - INIT_LIST_HEAD(&txq->txq_fifo[i]); -- INIT_LIST_HEAD(&txq->txq_fifo_pending); +- if (!(sc->sc_flags & SC_OP_INVALID)) { +- ath_drain_all_txq(sc, false); +- ath_stoprecv(sc); +- ath9k_hw_phy_disable(ah); +- } else +- sc->rx.rxlink = NULL; ++ spin_unlock_bh(&sc->sc_pcu_lock); ++ ++ /* we can now sync irq and kill any running tasklets, since we already ++ * disabled interrupts and not holding a spin lock */ ++ synchronize_irq(sc->irq); ++ tasklet_kill(&sc->intr_tq); ++ tasklet_kill(&sc->bcon_tasklet); ++ ++ prev_idle = sc->ps_idle; ++ sc->ps_idle = true; ++ ++ spin_lock_bh(&sc->sc_pcu_lock); ++ ++ if (ah->led_pin >= 0) { ++ ath9k_hw_set_gpio(ah, ah->led_pin, 1); ++ ath9k_hw_cfg_gpio_input(ah, ah->led_pin); ++ } ++ ++ ath_prepare_reset(sc, false, true); + + if (sc->rx.frag) { + dev_kfree_skb_any(sc->rx.frag); + sc->rx.frag = NULL; } - return &sc->tx.txq[axq_qnum]; - } -@@ -1155,13 +1147,8 @@ static bool bf_is_ampdu_not_probing(stru - return bf_isampdu(bf) && !(info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE); - } --/* -- * Drain a given TX queue (could be Beacon or Data) -- * -- * This assumes output has been stopped and -- * we do not need to block ath_tx_tasklet. -- */ --void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx) -+static void ath_drain_txq_list(struct ath_softc *sc, struct ath_txq *txq, -+ struct list_head *list, bool retry_tx) - { - struct ath_buf *bf, *lastbf; - struct list_head bf_head; -@@ -1170,93 +1157,63 @@ void ath_draintxq(struct ath_softc *sc, - memset(&ts, 0, sizeof(ts)); - INIT_LIST_HEAD(&bf_head); - -- for (;;) { -- spin_lock_bh(&txq->axq_lock); -+ while (!list_empty(list)) { -+ bf = list_first_entry(list, struct ath_buf, list); - -- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { -- if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) { -- txq->txq_headidx = txq->txq_tailidx = 0; -- spin_unlock_bh(&txq->axq_lock); -- break; -- } else { -- bf = list_first_entry(&txq->txq_fifo[txq->txq_tailidx], -- struct ath_buf, list); -- } -- } else { -- if (list_empty(&txq->axq_q)) { -- txq->axq_link = NULL; -- spin_unlock_bh(&txq->axq_lock); -- break; -- } -- bf = list_first_entry(&txq->axq_q, struct ath_buf, -- list); -- -- if (bf->bf_stale) { -- list_del(&bf->list); -- spin_unlock_bh(&txq->axq_lock); -+ if (bf->bf_stale) { -+ list_del(&bf->list); - -- ath_tx_return_buffer(sc, bf); -- continue; -- } -+ ath_tx_return_buffer(sc, bf); -+ continue; - } +- /* disable HAL and put h/w to sleep */ +- ath9k_hw_disable(ah); ++ if (!ah->curchan) ++ ah->curchan = ath9k_cmn_get_curchannel(hw, ah); - lastbf = bf->bf_lastbf; -- -- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { -- list_cut_position(&bf_head, -- &txq->txq_fifo[txq->txq_tailidx], -- &lastbf->list); -- INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH); -- } else { -- /* remove ath_buf's of the same mpdu from txq */ -- list_cut_position(&bf_head, &txq->axq_q, &lastbf->list); -- } -+ list_cut_position(&bf_head, list, &lastbf->list); - - txq->axq_depth--; - if (bf_is_ampdu_not_probing(bf)) - txq->axq_ampdu_depth--; -- spin_unlock_bh(&txq->axq_lock); - -+ spin_unlock_bh(&txq->axq_lock); - if (bf_isampdu(bf)) - ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, 0, - retry_tx); - else - ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0); -+ spin_lock_bh(&txq->axq_lock); - } -+} +- spin_unlock_bh(&sc->sc_pcu_lock); ++ ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); ++ ath9k_hw_phy_disable(ah); -+/* -+ * Drain a given TX queue (could be Beacon or Data) -+ * -+ * This assumes output has been stopped and -+ * we do not need to block ath_tx_tasklet. -+ */ -+void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx) -+{ - spin_lock_bh(&txq->axq_lock); -- txq->axq_tx_inprogress = false; -- spin_unlock_bh(&txq->axq_lock); -- - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { -- spin_lock_bh(&txq->axq_lock); -- while (!list_empty(&txq->txq_fifo_pending)) { -- bf = list_first_entry(&txq->txq_fifo_pending, -- struct ath_buf, list); -- list_cut_position(&bf_head, -- &txq->txq_fifo_pending, -- &bf->bf_lastbf->list); -- spin_unlock_bh(&txq->axq_lock); -+ int idx = txq->txq_tailidx; - -- if (bf_isampdu(bf)) -- ath_tx_complete_aggr(sc, txq, bf, &bf_head, -- &ts, 0, retry_tx); -- else -- ath_tx_complete_buf(sc, bf, txq, &bf_head, -- &ts, 0, 0); -- spin_lock_bh(&txq->axq_lock); -+ while (!list_empty(&txq->txq_fifo[idx])) { -+ ath_drain_txq_list(sc, txq, &txq->txq_fifo[idx], -+ retry_tx); -+ -+ INCR(idx, ATH_TXFIFO_DEPTH); - } -- spin_unlock_bh(&txq->axq_lock); -+ txq->txq_tailidx = idx; - } +- /* we can now sync irq and kill any running tasklets, since we already +- * disabled interrupts and not holding a spin lock */ +- synchronize_irq(sc->irq); +- tasklet_kill(&sc->intr_tq); +- tasklet_kill(&sc->bcon_tasklet); ++ ath9k_hw_configpcipowersave(ah, true); -+ txq->axq_link = NULL; -+ txq->axq_tx_inprogress = false; -+ ath_drain_txq_list(sc, txq, &txq->axq_q, retry_tx); -+ - /* flush any pending frames if aggregation is enabled */ -- if (sc->sc_flags & SC_OP_TXAGGR) { -- if (!retry_tx) { -- spin_lock_bh(&txq->axq_lock); -- ath_txq_drain_pending_buffers(sc, txq); -- spin_unlock_bh(&txq->axq_lock); -- } -- } -+ if ((sc->sc_flags & SC_OP_TXAGGR) && !retry_tx) -+ ath_txq_drain_pending_buffers(sc, txq); -+ -+ spin_unlock_bh(&txq->axq_lock); - } +- ath9k_ps_restore(sc); ++ spin_unlock_bh(&sc->sc_pcu_lock); - bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx) -@@ -1370,11 +1327,13 @@ void ath_txq_schedule(struct ath_softc * - * assume the descriptors are already chained together by caller. - */ - static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq, -- struct list_head *head) -+ struct list_head *head, bool internal) - { - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); -- struct ath_buf *bf; -+ struct ath_buf *bf, *bf_last; -+ bool puttxbuf = false; -+ bool edma; +- sc->ps_idle = true; +- ath_radio_disable(sc, hw); ++ ath9k_ps_restore(sc); - /* - * Insert the frame on the outbound list and -@@ -1384,51 +1343,49 @@ static void ath_tx_txqaddbuf(struct ath_ - if (list_empty(head)) - return; + sc->sc_flags |= SC_OP_INVALID; ++ sc->ps_idle = prev_idle; -+ edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA); - bf = list_first_entry(head, struct ath_buf, list); -+ bf_last = list_entry(head->prev, struct ath_buf, list); + mutex_unlock(&sc->mutex); - ath_dbg(common, ATH_DBG_QUEUE, - "qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth); +@@ -1627,8 +1588,8 @@ static int ath9k_config(struct ieee80211 + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); + struct ieee80211_conf *conf = &hw->conf; +- bool disable_radio = false; -- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { -- if (txq->axq_depth >= ATH_TXFIFO_DEPTH) { -- list_splice_tail_init(head, &txq->txq_fifo_pending); -- return; -- } -- if (!list_empty(&txq->txq_fifo[txq->txq_headidx])) -- ath_dbg(common, ATH_DBG_XMIT, -- "Initializing tx fifo %d which is non-empty\n", -- txq->txq_headidx); -- INIT_LIST_HEAD(&txq->txq_fifo[txq->txq_headidx]); -- list_splice_init(head, &txq->txq_fifo[txq->txq_headidx]); -+ if (edma && list_empty(&txq->txq_fifo[txq->txq_headidx])) { -+ list_splice_tail_init(head, &txq->txq_fifo[txq->txq_headidx]); - INCR(txq->txq_headidx, ATH_TXFIFO_DEPTH); -- TX_STAT_INC(txq->axq_qnum, puttxbuf); -- ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr); -- ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n", -- txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc); -+ puttxbuf = true; - } else { - list_splice_tail_init(head, &txq->axq_q); - -- if (txq->axq_link == NULL) { -- TX_STAT_INC(txq->axq_qnum, puttxbuf); -- ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr); -- ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n", -- txq->axq_qnum, ito64(bf->bf_daddr), -- bf->bf_desc); ++ ath9k_ps_wakeup(sc); + mutex_lock(&sc->mutex); + + /* +@@ -1639,13 +1600,8 @@ static int ath9k_config(struct ieee80211 + */ + if (changed & IEEE80211_CONF_CHANGE_IDLE) { + sc->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE); +- if (!sc->ps_idle) { +- ath_radio_enable(sc, hw); +- ath_dbg(common, ATH_DBG_CONFIG, +- "not-idle: enabling radio\n"); - } else { -- *txq->axq_link = bf->bf_daddr; -+ if (txq->axq_link) { -+ ath9k_hw_set_desc_link(ah, txq->axq_link, bf->bf_daddr); - ath_dbg(common, ATH_DBG_XMIT, - "link[%u] (%p)=%llx (%p)\n", - txq->axq_qnum, txq->axq_link, - ito64(bf->bf_daddr), bf->bf_desc); +- disable_radio = true; - } -- ath9k_hw_get_desc_link(ah, bf->bf_lastbf->bf_desc, -- &txq->axq_link); -+ } else if (!edma) -+ puttxbuf = true; -+ -+ txq->axq_link = bf_last->bf_desc; -+ } -+ -+ if (puttxbuf) { -+ TX_STAT_INC(txq->axq_qnum, puttxbuf); -+ ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr); -+ ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n", -+ txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc); -+ } -+ -+ if (!edma) { - TX_STAT_INC(txq->axq_qnum, txstart); - ath9k_hw_txstart(ah, txq->axq_qnum); ++ if (sc->ps_idle) ++ ath_cancel_work(sc); } -- txq->axq_depth++; -- if (bf_is_ampdu_not_probing(bf)) -- txq->axq_ampdu_depth++; -+ -+ if (!internal) { -+ txq->axq_depth++; -+ if (bf_is_ampdu_not_probing(bf)) -+ txq->axq_ampdu_depth++; -+ } - } - static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid, -@@ -1470,7 +1427,7 @@ static void ath_tx_send_ampdu(struct ath - TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw); - bf->bf_lastbf = bf; - ath_buf_set_rate(sc, bf, fi->framelen); -- ath_tx_txqaddbuf(sc, txctl->txq, &bf_head); -+ ath_tx_txqaddbuf(sc, txctl->txq, &bf_head, false); - } + /* +@@ -1752,18 +1708,12 @@ static int ath9k_config(struct ieee80211 + ath_dbg(common, ATH_DBG_CONFIG, + "Set power: %d\n", conf->power_level); + sc->config.txpowlimit = 2 * conf->power_level; +- ath9k_ps_wakeup(sc); + ath9k_cmn_update_txpow(ah, sc->curtxpow, + sc->config.txpowlimit, &sc->curtxpow); +- ath9k_ps_restore(sc); +- } +- +- if (disable_radio) { +- ath_dbg(common, ATH_DBG_CONFIG, "idle: disabling radio\n"); +- ath_radio_disable(sc, hw); + } - static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq, -@@ -1490,7 +1447,7 @@ static void ath_tx_send_normal(struct at - bf->bf_lastbf = bf; - fi = get_frame_info(bf->bf_mpdu); - ath_buf_set_rate(sc, bf, fi->framelen); -- ath_tx_txqaddbuf(sc, txq, bf_head); -+ ath_tx_txqaddbuf(sc, txq, bf_head, false); - TX_STAT_INC(txq->axq_qnum, queued); - } + mutex_unlock(&sc->mutex); ++ ath9k_ps_restore(sc); -@@ -2077,6 +2034,38 @@ static void ath_tx_rc_status(struct ath_ - tx_info->status.rates[tx_rateindex].count = ts->ts_longretry + 1; + return 0; } +@@ -2331,9 +2281,6 @@ static void ath9k_flush(struct ieee80211 + return; + } -+static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq, -+ struct ath_tx_status *ts, struct ath_buf *bf, -+ struct list_head *bf_head) -+{ -+ int txok; -+ -+ txq->axq_depth--; -+ txok = !(ts->ts_status & ATH9K_TXERR_MASK); -+ txq->axq_tx_inprogress = false; -+ if (bf_is_ampdu_not_probing(bf)) -+ txq->axq_ampdu_depth--; -+ -+ spin_unlock_bh(&txq->axq_lock); -+ -+ if (!bf_isampdu(bf)) { -+ /* -+ * This frame is sent out as a single frame. -+ * Use hardware retry status for this frame. -+ */ -+ if (ts->ts_status & ATH9K_TXERR_XRETRY) -+ bf->bf_state.bf_type |= BUF_XRETRY; -+ ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok, true); -+ ath_tx_complete_buf(sc, bf, txq, bf_head, ts, txok, 0); -+ } else -+ ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok, true); -+ -+ spin_lock_bh(&txq->axq_lock); -+ -+ if (sc->sc_flags & SC_OP_TXAGGR) -+ ath_txq_schedule(sc, txq); -+} -+ - static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq) - { - struct ath_hw *ah = sc->sc_ah; -@@ -2085,20 +2074,18 @@ static void ath_tx_processq(struct ath_s - struct list_head bf_head; - struct ath_desc *ds; - struct ath_tx_status ts; -- int txok; - int status; - - ath_dbg(common, ATH_DBG_QUEUE, "tx queue %d (%x), link %p\n", - txq->axq_qnum, ath9k_hw_gettxbuf(sc->sc_ah, txq->axq_qnum), - txq->axq_link); - -+ spin_lock_bh(&txq->axq_lock); - for (;;) { -- spin_lock_bh(&txq->axq_lock); - if (list_empty(&txq->axq_q)) { - txq->axq_link = NULL; - if (sc->sc_flags & SC_OP_TXAGGR) - ath_txq_schedule(sc, txq); -- spin_unlock_bh(&txq->axq_lock); - break; - } - bf = list_first_entry(&txq->axq_q, struct ath_buf, list); -@@ -2114,13 +2101,11 @@ static void ath_tx_processq(struct ath_s - bf_held = NULL; - if (bf->bf_stale) { - bf_held = bf; -- if (list_is_last(&bf_held->list, &txq->axq_q)) { -- spin_unlock_bh(&txq->axq_lock); -+ if (list_is_last(&bf_held->list, &txq->axq_q)) - break; -- } else { -- bf = list_entry(bf_held->list.next, -- struct ath_buf, list); -- } -+ -+ bf = list_entry(bf_held->list.next, struct ath_buf, -+ list); +- if (drop) +- timeout = 1; +- + for (j = 0; j < timeout; j++) { + bool npend = false; + +@@ -2351,21 +2298,22 @@ static void ath9k_flush(struct ieee80211 } - lastbf = bf->bf_lastbf; -@@ -2128,10 +2113,9 @@ static void ath_tx_processq(struct ath_s + if (!npend) +- goto out; ++ break; + } - memset(&ts, 0, sizeof(ts)); - status = ath9k_hw_txprocdesc(ah, ds, &ts); -- if (status == -EINPROGRESS) { -- spin_unlock_bh(&txq->axq_lock); -+ if (status == -EINPROGRESS) - break; -- } -+ - TX_STAT_INC(txq->axq_qnum, txprocdesc); +- ath9k_ps_wakeup(sc); +- spin_lock_bh(&sc->sc_pcu_lock); +- drain_txq = ath_drain_all_txq(sc, false); +- spin_unlock_bh(&sc->sc_pcu_lock); ++ if (drop) { ++ ath9k_ps_wakeup(sc); ++ spin_lock_bh(&sc->sc_pcu_lock); ++ drain_txq = ath_drain_all_txq(sc, false); ++ spin_unlock_bh(&sc->sc_pcu_lock); + +- if (!drain_txq) +- ath_reset(sc, false); ++ if (!drain_txq) ++ ath_reset(sc, false); + +- ath9k_ps_restore(sc); +- ieee80211_wake_queues(hw); ++ ath9k_ps_restore(sc); ++ ieee80211_wake_queues(hw); ++ } - /* -@@ -2145,42 +2129,14 @@ static void ath_tx_processq(struct ath_s - list_cut_position(&bf_head, - &txq->axq_q, lastbf->list.prev); - -- txq->axq_depth--; -- txok = !(ts.ts_status & ATH9K_TXERR_MASK); -- txq->axq_tx_inprogress = false; -- if (bf_held) -+ if (bf_held) { - list_del(&bf_held->list); -- -- if (bf_is_ampdu_not_probing(bf)) -- txq->axq_ampdu_depth--; -- -- spin_unlock_bh(&txq->axq_lock); -- -- if (bf_held) - ath_tx_return_buffer(sc, bf_held); -- -- if (!bf_isampdu(bf)) { -- /* -- * This frame is sent out as a single frame. -- * Use hardware retry status for this frame. -- */ -- if (ts.ts_status & ATH9K_TXERR_XRETRY) -- bf->bf_state.bf_type |= BUF_XRETRY; -- ath_tx_rc_status(sc, bf, &ts, 1, txok ? 0 : 1, txok, true); - } +-out: + ieee80211_queue_delayed_work(hw, &sc->tx_complete_work, 0); + mutex_unlock(&sc->mutex); + } +--- a/drivers/net/wireless/ath/ath9k/pci.c ++++ b/drivers/net/wireless/ath/ath9k/pci.c +@@ -307,12 +307,11 @@ static int ath_pci_suspend(struct device + struct ieee80211_hw *hw = pci_get_drvdata(pdev); + struct ath_softc *sc = hw->priv; -- if (bf_isampdu(bf)) -- ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, txok, -- true); -- else -- ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, txok, 0); +- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1); - -- spin_lock_bh(&txq->axq_lock); + /* The device has to be moved to FULLSLEEP forcibly. + * Otherwise the chip never moved to full sleep, + * when no interface is up. + */ ++ ath9k_hw_disable(sc->sc_ah); + ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP); + + return 0; +@@ -334,22 +333,6 @@ static int ath_pci_resume(struct device + if ((val & 0x0000ff00) != 0) + pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); + +- ath9k_ps_wakeup(sc); +- /* Enable LED */ +- ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin, +- AR_GPIO_OUTPUT_MUX_AS_OUTPUT); +- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0); - -- if (sc->sc_flags & SC_OP_TXAGGR) -- ath_txq_schedule(sc, txq); -- spin_unlock_bh(&txq->axq_lock); -+ ath_tx_process_buffer(sc, txq, &ts, bf, &bf_head); - } -+ spin_unlock_bh(&txq->axq_lock); +- /* +- * Reset key cache to sane defaults (all entries cleared) instead of +- * semi-random values after suspend/resume. +- */ +- ath9k_cmn_init_crypto(sc->sc_ah); +- ath9k_ps_restore(sc); +- +- sc->ps_idle = true; +- ath_radio_disable(sc, hw); +- + return 0; } - static void ath_tx_complete_poll_work(struct work_struct *work) -@@ -2237,17 +2193,16 @@ void ath_tx_tasklet(struct ath_softc *sc +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -1954,7 +1954,7 @@ static void ath_tx_complete(struct ath_s + skb_pull(skb, padsize); + } - void ath_tx_edma_tasklet(struct ath_softc *sc) - { -- struct ath_tx_status txs; -+ struct ath_tx_status ts; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - struct ath_hw *ah = sc->sc_ah; - struct ath_txq *txq; - struct ath_buf *bf, *lastbf; - struct list_head bf_head; - int status; -- int txok; - - for (;;) { -- status = ath9k_hw_txprocdesc(ah, NULL, (void *)&txs); -+ status = ath9k_hw_txprocdesc(ah, NULL, (void *)&ts); - if (status == -EINPROGRESS) - break; - if (status == -EIO) { -@@ -2257,12 +2212,13 @@ void ath_tx_edma_tasklet(struct ath_soft - } +- if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) { ++ if ((sc->ps_flags & PS_WAIT_FOR_TX_ACK) && !txq->axq_depth) { + sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK; + ath_dbg(common, ATH_DBG_PS, + "Going back to sleep after having received TX status (0x%lx)\n", +--- a/include/linux/nl80211.h ++++ b/include/linux/nl80211.h +@@ -2785,9 +2785,11 @@ enum nl80211_ap_sme_features { + * @NL80211_FEATURE_SK_TX_STATUS: This driver supports reflecting back + * TX status to the socket error queue when requested with the + * socket option. ++ * @NL80211_FEATURE_HT_IBSS: This driver supports IBSS with HT datarates. + */ + enum nl80211_feature_flags { + NL80211_FEATURE_SK_TX_STATUS = 1 << 0, ++ NL80211_FEATURE_HT_IBSS = 1 << 1, + }; + + /** +--- a/include/net/cfg80211.h ++++ b/include/net/cfg80211.h +@@ -1149,6 +1149,7 @@ struct cfg80211_ibss_params { + u8 *ssid; + u8 *bssid; + struct ieee80211_channel *channel; ++ enum nl80211_channel_type channel_type; + u8 *ie; + u8 ssid_len, ie_len; + u16 beacon_interval; +@@ -3270,6 +3271,16 @@ void cfg80211_report_obss_beacon(struct + const u8 *frame, size_t len, + int freq, gfp_t gfp); - /* Skip beacon completions */ -- if (txs.qid == sc->beacon.beaconq) -+ if (ts.qid == sc->beacon.beaconq) - continue; - -- txq = &sc->tx.txq[txs.qid]; -+ txq = &sc->tx.txq[ts.qid]; - - spin_lock_bh(&txq->axq_lock); -+ - if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) { - spin_unlock_bh(&txq->axq_lock); - return; -@@ -2275,41 +2231,21 @@ void ath_tx_edma_tasklet(struct ath_soft - INIT_LIST_HEAD(&bf_head); - list_cut_position(&bf_head, &txq->txq_fifo[txq->txq_tailidx], - &lastbf->list); -- INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH); -- txq->axq_depth--; -- txq->axq_tx_inprogress = false; -- if (bf_is_ampdu_not_probing(bf)) -- txq->axq_ampdu_depth--; -- spin_unlock_bh(&txq->axq_lock); - -- txok = !(txs.ts_status & ATH9K_TXERR_MASK); -- -- if (!bf_isampdu(bf)) { -- if (txs.ts_status & ATH9K_TXERR_XRETRY) -- bf->bf_state.bf_type |= BUF_XRETRY; -- ath_tx_rc_status(sc, bf, &txs, 1, txok ? 0 : 1, txok, true); -- } -- -- if (bf_isampdu(bf)) -- ath_tx_complete_aggr(sc, txq, bf, &bf_head, &txs, -- txok, true); -- else -- ath_tx_complete_buf(sc, bf, txq, &bf_head, -- &txs, txok, 0); -+ if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) { -+ INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH); - -- spin_lock_bh(&txq->axq_lock); -+ if (!list_empty(&txq->axq_q)) { -+ struct list_head bf_q; - -- if (!list_empty(&txq->txq_fifo_pending)) { -- INIT_LIST_HEAD(&bf_head); -- bf = list_first_entry(&txq->txq_fifo_pending, -- struct ath_buf, list); -- list_cut_position(&bf_head, -- &txq->txq_fifo_pending, -- &bf->bf_lastbf->list); -- ath_tx_txqaddbuf(sc, txq, &bf_head); -- } else if (sc->sc_flags & SC_OP_TXAGGR) -- ath_txq_schedule(sc, txq); -+ INIT_LIST_HEAD(&bf_q); -+ txq->axq_link = NULL; -+ list_splice_tail_init(&txq->axq_q, &bf_q); -+ ath_tx_txqaddbuf(sc, txq, &bf_q, true); -+ } -+ } ++/* ++ * cfg80211_can_beacon_sec_chan - test if ht40 on extension channel can be used ++ * @wiphy: the wiphy ++ * @chan: main channel ++ * @channel_type: HT mode ++ */ ++int cfg80211_can_beacon_sec_chan(struct wiphy *wiphy, ++ struct ieee80211_channel *chan, ++ enum nl80211_channel_type channel_type); ++ + /* Logging, debugging and troubleshooting/diagnostic helpers. */ -+ ath_tx_process_buffer(sc, txq, &ts, bf, &bf_head); - spin_unlock_bh(&txq->axq_lock); - } - } + /* wiphy_printk helpers, similar to dev_printk */ --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c -@@ -161,6 +161,8 @@ static void ieee80211_send_addba_resp(st +@@ -185,6 +185,10 @@ static void ieee80211_send_addba_resp(st memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); else if (sdata->vif.type == NL80211_IFTYPE_STATION) memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); ++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) ++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); + else if (sdata->vif.type == NL80211_IFTYPE_WDS) + memcpy(mgmt->bssid, da, ETH_ALEN); @@ -699,45 +517,425 @@ IEEE80211_STYPE_ACTION); --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c -@@ -79,7 +79,8 @@ static void ieee80211_send_addba_request - memcpy(mgmt->da, da, ETH_ALEN); +@@ -55,6 +55,8 @@ + * @ampdu_action function will be called with the action + * %IEEE80211_AMPDU_TX_STOP. In this case, the call must not fail, + * and the driver must later call ieee80211_stop_tx_ba_cb_irqsafe(). ++ * Note that the sta can get destroyed before the BA tear down is ++ * complete. + */ + + static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata, +@@ -79,10 +81,13 @@ static void ieee80211_send_addba_request memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); if (sdata->vif.type == NL80211_IFTYPE_AP || -- sdata->vif.type == NL80211_IFTYPE_AP_VLAN) -+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN || + sdata->vif.type == NL80211_IFTYPE_AP_VLAN || +- sdata->vif.type == NL80211_IFTYPE_MESH_POINT) ++ sdata->vif.type == NL80211_IFTYPE_MESH_POINT || + sdata->vif.type == NL80211_IFTYPE_WDS) memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); else if (sdata->vif.type == NL80211_IFTYPE_STATION) memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); -@@ -388,7 +389,8 @@ int ieee80211_start_tx_ba_session(struct ++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) ++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); + + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); +@@ -319,6 +324,38 @@ ieee80211_wake_queue_agg(struct ieee8021 + __release(agg_queue); + } + ++/* ++ * splice packets from the STA's pending to the local pending, ++ * requires a call to ieee80211_agg_splice_finish later ++ */ ++static void __acquires(agg_queue) ++ieee80211_agg_splice_packets(struct ieee80211_local *local, ++ struct tid_ampdu_tx *tid_tx, u16 tid) ++{ ++ int queue = ieee80211_ac_from_tid(tid); ++ unsigned long flags; ++ ++ ieee80211_stop_queue_agg(local, tid); ++ ++ if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates" ++ " from the pending queue\n", tid)) ++ return; ++ ++ if (!skb_queue_empty(&tid_tx->pending)) { ++ spin_lock_irqsave(&local->queue_stop_reason_lock, flags); ++ /* copy over remaining packets */ ++ skb_queue_splice_tail_init(&tid_tx->pending, ++ &local->pending[queue]); ++ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); ++ } ++} ++ ++static void __releases(agg_queue) ++ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid) ++{ ++ ieee80211_wake_queue_agg(local, tid); ++} ++ + void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) + { + struct tid_ampdu_tx *tid_tx; +@@ -330,19 +367,17 @@ void ieee80211_tx_ba_session_handle_star + tid_tx = rcu_dereference_protected_tid_tx(sta, tid); + + /* +- * While we're asking the driver about the aggregation, +- * stop the AC queue so that we don't have to worry +- * about frames that came in while we were doing that, +- * which would require us to put them to the AC pending +- * afterwards which just makes the code more complex. ++ * Start queuing up packets for this aggregation session. ++ * We're going to release them once the driver is OK with ++ * that. */ +- ieee80211_stop_queue_agg(local, tid); +- + clear_bit(HT_AGG_STATE_WANT_START, &tid_tx->state); + + /* +- * make sure no packets are being processed to get +- * valid starting sequence number ++ * Make sure no packets are being processed. This ensures that ++ * we have a valid starting sequence number and that in-flight ++ * packets have been flushed out and no packets for this TID ++ * will go into the driver during the ampdu_action call. + */ + synchronize_net(); + +@@ -356,10 +391,11 @@ void ieee80211_tx_ba_session_handle_star + " tid %d\n", tid); + #endif + spin_lock_bh(&sta->lock); ++ ieee80211_agg_splice_packets(local, tid_tx, tid); + ieee80211_assign_tid_tx(sta, tid, NULL); ++ ieee80211_agg_splice_finish(local, tid); + spin_unlock_bh(&sta->lock); + +- ieee80211_wake_queue_agg(local, tid); + #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,40)) + kfree_rcu(tid_tx, rcu_head); + #else +@@ -368,9 +404,6 @@ void ieee80211_tx_ba_session_handle_star + return; + } + +- /* we can take packets again now */ +- ieee80211_wake_queue_agg(local, tid); +- + /* activate the timer for the recipient's addBA response */ + mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL); + #ifdef CONFIG_MAC80211_HT_DEBUG +@@ -437,7 +470,9 @@ int ieee80211_start_tx_ba_session(struct if (sdata->vif.type != NL80211_IFTYPE_STATION && + sdata->vif.type != NL80211_IFTYPE_MESH_POINT && sdata->vif.type != NL80211_IFTYPE_AP_VLAN && - sdata->vif.type != NL80211_IFTYPE_AP) + sdata->vif.type != NL80211_IFTYPE_AP && -+ sdata->vif.type != NL80211_IFTYPE_WDS) ++ sdata->vif.type != NL80211_IFTYPE_WDS && ++ sdata->vif.type != NL80211_IFTYPE_ADHOC) return -EINVAL; - if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) { + if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) { +@@ -448,6 +483,27 @@ int ieee80211_start_tx_ba_session(struct + return -EINVAL; + } + ++ /* ++ * 802.11n-2009 11.5.1.1: If the initiating STA is an HT STA, is a ++ * member of an IBSS, and has no other existing Block Ack agreement ++ * with the recipient STA, then the initiating STA shall transmit a ++ * Probe Request frame to the recipient STA and shall not transmit an ++ * ADDBA Request frame unless it receives a Probe Response frame ++ * from the recipient within dot11ADDBAFailureTimeout. ++ * ++ * The probe request mechanism for ADDBA is currently not implemented, ++ * but we only build up Block Ack session with HT STAs. This information ++ * is set when we receive a bss info from a probe response or a beacon. ++ */ ++ if (sta->sdata->vif.type == NL80211_IFTYPE_ADHOC && ++ !sta->sta.ht_cap.ht_supported) { ++#ifdef CONFIG_MAC80211_HT_DEBUG ++ printk(KERN_DEBUG "BA request denied - IBSS STA %pM" ++ "does not advertise HT support\n", pubsta->addr); ++#endif /* CONFIG_MAC80211_HT_DEBUG */ ++ return -EINVAL; ++ } ++ + spin_lock_bh(&sta->lock); + + /* we have tried too many times, receiver does not want A-MPDU */ +@@ -508,38 +564,6 @@ int ieee80211_start_tx_ba_session(struct + } + EXPORT_SYMBOL(ieee80211_start_tx_ba_session); + +-/* +- * splice packets from the STA's pending to the local pending, +- * requires a call to ieee80211_agg_splice_finish later +- */ +-static void __acquires(agg_queue) +-ieee80211_agg_splice_packets(struct ieee80211_local *local, +- struct tid_ampdu_tx *tid_tx, u16 tid) +-{ +- int queue = ieee80211_ac_from_tid(tid); +- unsigned long flags; +- +- ieee80211_stop_queue_agg(local, tid); +- +- if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates" +- " from the pending queue\n", tid)) +- return; +- +- if (!skb_queue_empty(&tid_tx->pending)) { +- spin_lock_irqsave(&local->queue_stop_reason_lock, flags); +- /* copy over remaining packets */ +- skb_queue_splice_tail_init(&tid_tx->pending, +- &local->pending[queue]); +- spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); +- } +-} +- +-static void __releases(agg_queue) +-ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid) +-{ +- ieee80211_wake_queue_agg(local, tid); +-} +- + static void ieee80211_agg_tx_operational(struct ieee80211_local *local, + struct sta_info *sta, u16 tid) + { --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c -@@ -59,7 +59,7 @@ static ssize_t sta_flags_read(struct fil - char buf[100]; - struct sta_info *sta = file->private_data; - u32 staflags = get_sta_flags(sta); -- int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s", -+ int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s", - staflags & WLAN_STA_AUTH ? "AUTH\n" : "", - staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "", - staflags & WLAN_STA_PS_STA ? "PS (sta)\n" : "", -@@ -67,7 +67,6 @@ static ssize_t sta_flags_read(struct fil - staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "", - staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "", - staflags & WLAN_STA_WME ? "WME\n" : "", -- staflags & WLAN_STA_WDS ? "WDS\n" : "", - staflags & WLAN_STA_MFP ? "MFP\n" : ""); - return simple_read_from_buffer(userbuf, count, ppos, buf, res); - } +@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil + test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : "" + + int res = scnprintf(buf, sizeof(buf), +- "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", ++ "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", + TEST(AUTH), TEST(ASSOC), TEST(PS_STA), + TEST(PS_DRIVER), TEST(AUTHORIZED), + TEST(SHORT_PREAMBLE), +- TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT), ++ TEST(WME), TEST(CLEAR_PS_FILT), + TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL), + TEST(UAPSD), TEST(SP), TEST(TDLS_PEER), + TEST(TDLS_PEER_AUTH)); +--- a/net/mac80211/ht.c ++++ b/net/mac80211/ht.c +@@ -47,7 +47,9 @@ void ieee80211_apply_htcap_overrides(str + int i; + + if (sdata->vif.type != NL80211_IFTYPE_STATION) { +- WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION); ++ /* AP interfaces call this code when adding new stations, ++ * so just silently ignore non station interfaces. ++ */ + return; + } + +@@ -282,6 +284,8 @@ void ieee80211_send_delba(struct ieee802 + memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); + else if (sdata->vif.type == NL80211_IFTYPE_STATION) + memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); ++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) ++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); + + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); +--- a/net/mac80211/ibss.c ++++ b/net/mac80211/ibss.c +@@ -77,6 +77,7 @@ static void __ieee80211_sta_join_ibss(st + struct cfg80211_bss *bss; + u32 bss_change; + u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; ++ enum nl80211_channel_type channel_type; + + lockdep_assert_held(&ifibss->mtx); + +@@ -105,8 +106,16 @@ static void __ieee80211_sta_join_ibss(st + + sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0; + +- local->oper_channel = chan; +- WARN_ON(!ieee80211_set_channel_type(local, sdata, NL80211_CHAN_NO_HT)); ++ channel_type = ifibss->channel_type; ++ if (channel_type > NL80211_CHAN_HT20 && ++ !cfg80211_can_beacon_sec_chan(local->hw.wiphy, chan, channel_type)) ++ channel_type = NL80211_CHAN_HT20; ++ if (!ieee80211_set_channel_type(local, sdata, channel_type)) { ++ /* can only fail due to HT40+/- mismatch */ ++ channel_type = NL80211_CHAN_HT20; ++ WARN_ON(!ieee80211_set_channel_type(local, sdata, ++ NL80211_CHAN_HT20)); ++ } + ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); + + sband = local->hw.wiphy->bands[chan->band]; +@@ -172,6 +181,19 @@ static void __ieee80211_sta_join_ibss(st + memcpy(skb_put(skb, ifibss->ie_len), + ifibss->ie, ifibss->ie_len); + ++ /* add HT capability and information IEs */ ++ if (channel_type && sband->ht_cap.ht_supported) { ++ pos = skb_put(skb, 4 + ++ sizeof(struct ieee80211_ht_cap) + ++ sizeof(struct ieee80211_ht_info)); ++ pos = ieee80211_ie_build_ht_cap(pos, &sband->ht_cap, ++ sband->ht_cap.cap); ++ pos = ieee80211_ie_build_ht_info(pos, ++ &sband->ht_cap, ++ chan, ++ channel_type); ++ } ++ + if (local->hw.queues >= 4) { + pos = skb_put(skb, 9); + *pos++ = WLAN_EID_VENDOR_SPECIFIC; +@@ -195,6 +217,7 @@ static void __ieee80211_sta_join_ibss(st + bss_change |= BSS_CHANGED_BEACON; + bss_change |= BSS_CHANGED_BEACON_ENABLED; + bss_change |= BSS_CHANGED_BASIC_RATES; ++ bss_change |= BSS_CHANGED_HT; + bss_change |= BSS_CHANGED_IBSS; + sdata->vif.bss_conf.ibss_joined = true; + ieee80211_bss_info_change_notify(sdata, bss_change); +@@ -268,6 +291,8 @@ static void ieee80211_rx_bss_info(struct + u64 beacon_timestamp, rx_timestamp; + u32 supp_rates = 0; + enum ieee80211_band band = rx_status->band; ++ struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band]; ++ bool rates_updated = false; + + if (elems->ds_params && elems->ds_params_len == 1) + freq = ieee80211_channel_to_frequency(elems->ds_params[0], +@@ -307,7 +332,7 @@ static void ieee80211_rx_bss_info(struct + prev_rates, + sta->sta.supp_rates[band]); + #endif +- rate_control_rate_init(sta); ++ rates_updated = true; + } + } else + sta = ieee80211_ibss_add_sta(sdata, mgmt->bssid, +@@ -318,6 +343,39 @@ static void ieee80211_rx_bss_info(struct + if (sta && elems->wmm_info) + set_sta_flag(sta, WLAN_STA_WME); + ++ if (sta && elems->ht_info_elem && elems->ht_cap_elem && ++ sdata->u.ibss.channel_type != NL80211_CHAN_NO_HT) { ++ /* we both use HT */ ++ struct ieee80211_sta_ht_cap sta_ht_cap_new; ++ enum nl80211_channel_type channel_type = ++ ieee80211_ht_info_to_channel_type( ++ elems->ht_info_elem); ++ ++ ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, ++ elems->ht_cap_elem, ++ &sta_ht_cap_new); ++ ++ /* ++ * fall back to HT20 if we don't use or use ++ * the other extension channel ++ */ ++ if ((channel_type == NL80211_CHAN_HT40MINUS || ++ channel_type == NL80211_CHAN_HT40PLUS) && ++ channel_type != sdata->u.ibss.channel_type) ++ sta_ht_cap_new.cap &= ++ ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; ++ ++ if (memcmp(&sta->sta.ht_cap, &sta_ht_cap_new, ++ sizeof(sta_ht_cap_new))) { ++ memcpy(&sta->sta.ht_cap, &sta_ht_cap_new, ++ sizeof(sta_ht_cap_new)); ++ rates_updated = true; ++ } ++ } ++ ++ if (sta && rates_updated) ++ rate_control_rate_init(sta); ++ + rcu_read_unlock(); + } + +@@ -896,12 +954,18 @@ int ieee80211_ibss_join(struct ieee80211 + struct cfg80211_ibss_params *params) + { + struct sk_buff *skb; ++ u32 changed = 0; + + skb = dev_alloc_skb(sdata->local->hw.extra_tx_headroom + +- 36 /* bitrates */ + +- 34 /* SSID */ + +- 3 /* DS params */ + +- 4 /* IBSS params */ + ++ sizeof(struct ieee80211_hdr_3addr) + ++ 12 /* struct ieee80211_mgmt.u.beacon */ + ++ 2 + IEEE80211_MAX_SSID_LEN /* max SSID */ + ++ 2 + 8 /* max Supported Rates */ + ++ 3 /* max DS params */ + ++ 4 /* IBSS params */ + ++ 2 + (IEEE80211_MAX_SUPP_RATES - 8) + ++ 2 + sizeof(struct ieee80211_ht_cap) + ++ 2 + sizeof(struct ieee80211_ht_info) + + params->ie_len); + if (!skb) + return -ENOMEM; +@@ -922,13 +986,15 @@ int ieee80211_ibss_join(struct ieee80211 + sdata->vif.bss_conf.beacon_int = params->beacon_interval; + + sdata->u.ibss.channel = params->channel; ++ sdata->u.ibss.channel_type = params->channel_type; + sdata->u.ibss.fixed_channel = params->channel_fixed; + + /* fix ourselves to that channel now already */ + if (params->channel_fixed) { + sdata->local->oper_channel = params->channel; +- WARN_ON(!ieee80211_set_channel_type(sdata->local, sdata, +- NL80211_CHAN_NO_HT)); ++ if (!ieee80211_set_channel_type(sdata->local, sdata, ++ params->channel_type)) ++ return -EINVAL; + } + + if (params->ie) { +@@ -951,6 +1017,23 @@ int ieee80211_ibss_join(struct ieee80211 + ieee80211_recalc_idle(sdata->local); + mutex_unlock(&sdata->local->mtx); + ++ /* ++ * 802.11n-2009 9.13.3.1: In an IBSS, the HT Protection field is ++ * reserved, but an HT STA shall protect HT transmissions as though ++ * the HT Protection field were set to non-HT mixed mode. ++ * ++ * In an IBSS, the RIFS Mode field of the HT Operation element is ++ * also reserved, but an HT STA shall operate as though this field ++ * were set to 1. ++ */ ++ ++ sdata->vif.bss_conf.ht_operation_mode |= ++ IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED ++ | IEEE80211_HT_PARAM_RIFS_MODE; ++ ++ changed |= BSS_CHANGED_HT; ++ ieee80211_bss_info_change_notify(sdata, changed); ++ + ieee80211_queue_work(&sdata->local->hw, &sdata->work); + + return 0; +--- a/net/mac80211/ieee80211_i.h ++++ b/net/mac80211/ieee80211_i.h +@@ -474,6 +474,7 @@ struct ieee80211_if_ibss { + u8 ssid_len, ie_len; + u8 *ie; + struct ieee80211_channel *channel; ++ enum nl80211_channel_type channel_type; + + unsigned long ibss_join_req; + /* probe response/beacon for IBSS */ --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_ @@ -748,7 +946,7 @@ u32 changed = 0; int res; u32 hw_reconf_flags = 0; -@@ -290,27 +289,6 @@ static int ieee80211_do_open(struct net_ +@@ -309,27 +308,6 @@ static int ieee80211_do_open(struct net_ set_bit(SDATA_STATE_RUNNING, &sdata->state); @@ -761,8 +959,8 @@ - goto err_del_interface; - } - -- /* no locking required since STA is not live yet */ -- sta->flags |= WLAN_STA_AUTHORIZED; +- /* no atomic bitop required since STA is not live yet */ +- set_sta_flag(sta, WLAN_STA_AUTHORIZED); - - res = sta_info_insert(sta); - if (res) { @@ -776,17 +974,17 @@ /* * set_multicast_list will be invoked by the networking core * which will check whether any increments here were done in -@@ -344,8 +322,7 @@ static int ieee80211_do_open(struct net_ +@@ -356,8 +334,7 @@ static int ieee80211_do_open(struct net_ netif_tx_start_all_queues(dev); return 0; - err_del_interface: -- drv_remove_interface(local, &sdata->vif); +- drv_remove_interface(local, sdata); + err_stop: if (!local->open_count) drv_stop(local); -@@ -718,6 +695,70 @@ static void ieee80211_if_setup(struct ne +@@ -719,6 +696,70 @@ static void ieee80211_if_setup(struct ne dev->destructor = free_netdev; } @@ -839,14 +1037,14 @@ + sta->sta.supp_rates[local->hw.conf.channel->band] = rates; + + if (elems.ht_cap_elem) -+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband, ++ ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, + elems.ht_cap_elem, &sta->sta.ht_cap); + + if (elems.wmm_param) -+ set_sta_flags(sta, WLAN_STA_WME); ++ set_sta_flag(sta, WLAN_STA_WME); + + if (new) { -+ sta->flags = WLAN_STA_AUTHORIZED; ++ set_sta_flag(sta, WLAN_STA_AUTHORIZED); + rate_control_rate_init(sta); + sta_info_insert_rcu(sta); + } @@ -857,7 +1055,7 @@ static void ieee80211_iface_work(struct work_struct *work) { struct ieee80211_sub_if_data *sdata = -@@ -822,6 +863,9 @@ static void ieee80211_iface_work(struct +@@ -823,6 +864,9 @@ static void ieee80211_iface_work(struct break; ieee80211_mesh_rx_queued_mgmt(sdata, skb); break; @@ -867,19 +1065,32 @@ default: WARN(1, "frame for unexpected interface type"); break; +--- a/net/mac80211/main.c ++++ b/net/mac80211/main.c +@@ -574,7 +574,8 @@ struct ieee80211_hw *ieee80211_alloc_hw( + WIPHY_FLAG_OFFCHAN_TX | + WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; + +- wiphy->features = NL80211_FEATURE_SK_TX_STATUS; ++ wiphy->features = NL80211_FEATURE_SK_TX_STATUS | ++ NL80211_FEATURE_HT_IBSS; + + if (!ops->set_key) + wiphy->flags |= WIPHY_FLAG_IBSS_RSN; --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c -@@ -2137,7 +2137,8 @@ ieee80211_rx_h_action(struct ieee80211_r - */ +@@ -2237,7 +2237,9 @@ ieee80211_rx_h_action(struct ieee80211_r if (sdata->vif.type != NL80211_IFTYPE_STATION && + sdata->vif.type != NL80211_IFTYPE_MESH_POINT && sdata->vif.type != NL80211_IFTYPE_AP_VLAN && - sdata->vif.type != NL80211_IFTYPE_AP) + sdata->vif.type != NL80211_IFTYPE_AP && -+ sdata->vif.type != NL80211_IFTYPE_WDS) ++ sdata->vif.type != NL80211_IFTYPE_WDS && ++ sdata->vif.type != NL80211_IFTYPE_ADHOC) break; /* verify action_code is present */ -@@ -2335,13 +2336,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_ +@@ -2452,13 +2454,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_ if (!ieee80211_vif_is_mesh(&sdata->vif) && sdata->vif.type != NL80211_IFTYPE_ADHOC && @@ -896,7 +1107,26 @@ break; case cpu_to_le16(IEEE80211_STYPE_DEAUTH): case cpu_to_le16(IEEE80211_STYPE_DISASSOC): -@@ -2680,10 +2682,16 @@ static int prepare_for_handlers(struct i +@@ -2796,19 +2799,32 @@ static int prepare_for_handlers(struct i + return 0; + } else if (!ieee80211_bssid_match(bssid, + sdata->vif.addr)) { ++ /* ++ * Accept public action frames even when the ++ * BSSID doesn't match, this is used for P2P ++ * and location updates. Note that mac80211 ++ * itself never looks at these frames. ++ */ + if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) && +- !ieee80211_is_beacon(hdr->frame_control) && +- !(ieee80211_is_action(hdr->frame_control) && +- sdata->vif.p2p)) ++ ieee80211_is_public_action(hdr, skb->len)) ++ return 1; ++ if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) && ++ !ieee80211_is_beacon(hdr->frame_control)) + return 0; + status->rx_flags &= ~IEEE80211_RX_RA_MATCH; } break; case NL80211_IFTYPE_WDS: @@ -918,70 +1148,202 @@ --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -31,7 +31,6 @@ + * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble * frames. - * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP. * @WLAN_STA_WME: Station is a QoS-STA. - * @WLAN_STA_WDS: Station is one of our WDS peers. * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the * IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next * frame to this station is transmitted. -@@ -54,7 +53,6 @@ enum ieee80211_sta_info_flags { - WLAN_STA_SHORT_PREAMBLE = 1<<4, - WLAN_STA_ASSOC_AP = 1<<5, - WLAN_STA_WME = 1<<6, -- WLAN_STA_WDS = 1<<7, - WLAN_STA_CLEAR_PS_FILT = 1<<9, - WLAN_STA_MFP = 1<<10, - WLAN_STA_BLOCK_BA = 1<<11, ---- a/drivers/net/wireless/ath/ath9k/debug.h -+++ b/drivers/net/wireless/ath/ath9k/debug.h -@@ -116,6 +116,7 @@ struct ath_tx_stats { - u32 tx_bytes_all; - u32 queued; - u32 completed; -+ u32 xretries; - u32 a_aggr; - u32 a_queued_hw; - u32 a_queued_sw; ---- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c -+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c -@@ -4645,10 +4645,16 @@ static void ar9003_hw_set_power_per_rate - case 1: - break; - case 2: -- scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN; -+ if (scaledPower > REDUCE_SCALED_POWER_BY_TWO_CHAIN) -+ scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN; -+ else -+ scaledPower = 0; - break; - case 3: -- scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN; -+ if (scaledPower > REDUCE_SCALED_POWER_BY_THREE_CHAIN) -+ scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN; -+ else -+ scaledPower = 0; - break; +@@ -60,7 +59,6 @@ enum ieee80211_sta_info_flags { + WLAN_STA_AUTHORIZED, + WLAN_STA_SHORT_PREAMBLE, + WLAN_STA_WME, +- WLAN_STA_WDS, + WLAN_STA_CLEAR_PS_FILT, + WLAN_STA_MFP, + WLAN_STA_BLOCK_BA, +--- a/net/mac80211/util.c ++++ b/net/mac80211/util.c +@@ -1612,6 +1612,11 @@ u8 *ieee80211_ie_build_ht_info(u8 *pos, } + if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) + ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY; ++ ++ /* ++ * Note: According to 802.11n-2009 9.13.3.1, HT Protection field and ++ * RIFS Mode are reserved in IBSS mode, therefore keep them at 0 ++ */ + ht_info->operation_mode = 0x0000; + ht_info->stbc_param = 0x0000; + +--- a/net/wireless/chan.c ++++ b/net/wireless/chan.c +@@ -6,6 +6,7 @@ + * Copyright 2009 Johannes Berg + */ ---- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c -+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c -@@ -524,10 +524,16 @@ static void ath9k_hw_set_ar9287_power_pe - case 1: - break; - case 2: -- scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN; -+ if (scaledPower > REDUCE_SCALED_POWER_BY_TWO_CHAIN) -+ scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN; -+ else -+ scaledPower = 0; - break; - case 3: -- scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN; -+ if (scaledPower > REDUCE_SCALED_POWER_BY_THREE_CHAIN) -+ scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN; -+ else -+ scaledPower = 0; - break; ++#include + #include + #include "core.h" + +@@ -44,9 +45,9 @@ rdev_freq_to_chan(struct cfg80211_regist + return chan; + } + +-static bool can_beacon_sec_chan(struct wiphy *wiphy, +- struct ieee80211_channel *chan, +- enum nl80211_channel_type channel_type) ++int cfg80211_can_beacon_sec_chan(struct wiphy *wiphy, ++ struct ieee80211_channel *chan, ++ enum nl80211_channel_type channel_type) + { + struct ieee80211_channel *sec_chan; + int diff; +@@ -75,6 +76,7 @@ static bool can_beacon_sec_chan(struct w + + return true; + } ++EXPORT_SYMBOL(cfg80211_can_beacon_sec_chan); + + int cfg80211_set_freq(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev, int freq, +@@ -109,8 +111,8 @@ int cfg80211_set_freq(struct cfg80211_re + switch (channel_type) { + case NL80211_CHAN_HT40PLUS: + case NL80211_CHAN_HT40MINUS: +- if (!can_beacon_sec_chan(&rdev->wiphy, chan, +- channel_type)) { ++ if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, chan, ++ channel_type)) { + printk(KERN_DEBUG + "cfg80211: Secondary channel not " + "allowed to initiate communication\n"); +--- a/net/wireless/nl80211.c ++++ b/net/wireless/nl80211.c +@@ -4684,13 +4684,41 @@ static int nl80211_join_ibss(struct sk_b + ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); } - scaledPower = max((u16)0, scaledPower); + +- ibss.channel = ieee80211_get_channel(wiphy, +- nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); ++ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { ++ enum nl80211_channel_type channel_type; ++ ++ channel_type = nla_get_u32( ++ info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); ++ if (channel_type != NL80211_CHAN_NO_HT && ++ channel_type != NL80211_CHAN_HT20 && ++ channel_type != NL80211_CHAN_HT40MINUS && ++ channel_type != NL80211_CHAN_HT40PLUS) ++ return -EINVAL; ++ ++ if (channel_type != NL80211_CHAN_NO_HT && ++ !(wiphy->features & NL80211_FEATURE_HT_IBSS)) ++ return -EINVAL; ++ ++ ibss.channel_type = channel_type; ++ } else { ++ ibss.channel_type = NL80211_CHAN_NO_HT; ++ } ++ ++ ibss.channel = rdev_freq_to_chan(rdev, ++ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]), ++ ibss.channel_type); + if (!ibss.channel || + ibss.channel->flags & IEEE80211_CHAN_NO_IBSS || + ibss.channel->flags & IEEE80211_CHAN_DISABLED) + return -EINVAL; + ++ /* Both channels should be able to initiate communication */ ++ if ((ibss.channel_type == NL80211_CHAN_HT40PLUS || ++ ibss.channel_type == NL80211_CHAN_HT40MINUS) && ++ !cfg80211_can_beacon_sec_chan(&rdev->wiphy, ibss.channel, ++ ibss.channel_type)) ++ return -EINVAL; ++ + ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; + ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; + +--- a/include/linux/ieee80211.h ++++ b/include/linux/ieee80211.h +@@ -1695,6 +1695,23 @@ static inline bool ieee80211_is_robust_m + } + + /** ++ * ieee80211_is_public_action - check if frame is a public action frame ++ * @hdr: the frame ++ * @len: length of the frame ++ */ ++static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, ++ size_t len) ++{ ++ struct ieee80211_mgmt *mgmt = (void *)hdr; ++ ++ if (len < 25) ++ return false; ++ if (!ieee80211_is_action(hdr->frame_control)) ++ return false; ++ return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; ++} ++ ++/** + * ieee80211_fhss_chan_to_freq - get channel frequency + * @channel: the FHSS channel + * +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -1332,8 +1332,11 @@ static int invoke_tx_handlers(struct iee + if (!(tx->local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)) + CALL_TXH(ieee80211_tx_h_rate_ctrl); + +- if (unlikely(info->flags & IEEE80211_TX_INTFL_RETRANSMISSION)) ++ if (unlikely(info->flags & IEEE80211_TX_INTFL_RETRANSMISSION)) { ++ __skb_queue_tail(&tx->skbs, tx->skb); ++ tx->skb = NULL; + goto txh_done; ++ } + + CALL_TXH(ieee80211_tx_h_michael_mic_add); + CALL_TXH(ieee80211_tx_h_sequence); +--- a/net/mac80211/sta_info.c ++++ b/net/mac80211/sta_info.c +@@ -851,6 +851,7 @@ static int __must_check __sta_info_destr + struct ieee80211_sub_if_data *sdata; + unsigned long flags; + int ret, i, ac; ++ struct tid_ampdu_tx *tid_tx; + + might_sleep(); + +@@ -949,6 +950,30 @@ static int __must_check __sta_info_destr + } + #endif + ++ /* There could be some memory leaks because of ampdu tx pending queue ++ * not being freed before destroying the station info. ++ * ++ * Make sure that such queues are purged before freeing the station ++ * info. ++ * TODO: We have to somehow postpone the full destruction ++ * until the aggregation stop completes. Refer ++ * http://thread.gmane.org/gmane.linux.kernel.wireless.general/81936 ++ */ ++ for (i = 0; i < STA_TID_NUM; i++) { ++ if (!sta->ampdu_mlme.tid_tx[i]) ++ continue; ++ tid_tx = sta->ampdu_mlme.tid_tx[i]; ++ if (skb_queue_len(&tid_tx->pending)) { ++#ifdef CONFIG_MAC80211_HT_DEBUG ++ wiphy_debug(local->hw.wiphy, "TX A-MPDU purging %d " ++ "packets for tid=%d\n", ++ skb_queue_len(&tid_tx->pending), i); ++#endif /* CONFIG_MAC80211_HT_DEBUG */ ++ __skb_queue_purge(&tid_tx->pending); ++ } ++ kfree_rcu(tid_tx, rcu_head); ++ } ++ + __sta_info_free(local, sta); + + return 0;