X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/6f72126ba8327e5de3ca3a3946172544d938a8dd..3ae6fa17227b88b37c45f865b4040e5bcae0a45f:/package/mac80211/patches/310-pending_work.patch diff --git a/package/mac80211/patches/310-pending_work.patch b/package/mac80211/patches/310-pending_work.patch index 924f7333a..57dcecaf1 100644 --- a/package/mac80211/patches/310-pending_work.patch +++ b/package/mac80211/patches/310-pending_work.patch @@ -1,2294 +1,366 @@ ---- a/drivers/net/wireless/ath/ath9k/Makefile -+++ b/drivers/net/wireless/ath/ath9k/Makefile -@@ -4,7 +4,6 @@ ath9k-y += beacon.o \ - main.o \ - recv.o \ - xmit.o \ -- virtual.o \ - - ath9k-$(CONFIG_ATH9K_RATE_CONTROL) += rc.o - ath9k-$(CONFIG_PCI) += pci.o ---- a/drivers/net/wireless/ath/ath9k/ahb.c -+++ b/drivers/net/wireless/ath/ath9k/ahb.c -@@ -54,7 +54,6 @@ static struct ath_bus_ops ath_ahb_bus_op - static int ath_ahb_probe(struct platform_device *pdev) - { - void __iomem *mem; -- struct ath_wiphy *aphy; - struct ath_softc *sc; - struct ieee80211_hw *hw; - struct resource *res; -@@ -92,8 +91,7 @@ static int ath_ahb_probe(struct platform - - irq = res->start; - -- hw = ieee80211_alloc_hw(sizeof(struct ath_wiphy) + -- sizeof(struct ath_softc), &ath9k_ops); -+ hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops); - if (hw == NULL) { - dev_err(&pdev->dev, "no memory for ieee80211_hw\n"); - ret = -ENOMEM; -@@ -103,11 +101,7 @@ static int ath_ahb_probe(struct platform - SET_IEEE80211_DEV(hw, &pdev->dev); - platform_set_drvdata(pdev, hw); - -- aphy = hw->priv; -- sc = (struct ath_softc *) (aphy + 1); -- aphy->sc = sc; -- aphy->hw = hw; -- sc->pri_wiphy = aphy; -+ sc = hw->priv; - sc->hw = hw; - sc->dev = &pdev->dev; - sc->mem = mem; -@@ -151,8 +145,7 @@ static int ath_ahb_remove(struct platfor - struct ieee80211_hw *hw = platform_get_drvdata(pdev); - - if (hw) { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - void __iomem *mem = sc->mem; - - ath9k_deinit_device(sc); --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h -@@ -234,7 +234,6 @@ struct ath_buf { - bool bf_stale; - u16 bf_flags; - struct ath_buf_state bf_state; -- struct ath_wiphy *aphy; - }; - - struct ath_atx_tid { -@@ -389,7 +388,6 @@ struct ath_beacon { - u32 ast_be_xmit; - u64 bc_tstamp; - struct ieee80211_vif *bslot[ATH_BCBUF]; -- struct ath_wiphy *bslot_aphy[ATH_BCBUF]; - int slottime; - int slotupdate; - struct ath9k_tx_queue_info beacon_qi; -@@ -400,7 +398,7 @@ struct ath_beacon { - - void ath_beacon_tasklet(unsigned long data); - void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif); --int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif); -+int ath_beacon_alloc(struct ath_softc *sc, struct ieee80211_vif *vif); - void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp); - int ath_beaconq_config(struct ath_softc *sc); - -@@ -565,7 +563,6 @@ struct ath_ant_comb { - #define PS_WAIT_FOR_TX_ACK BIT(3) - #define PS_BEACON_SYNC BIT(4) - --struct ath_wiphy; - struct ath_rate_table; - - struct ath9k_vif_iter_data { -@@ -586,20 +583,8 @@ struct ath_softc { - struct ieee80211_hw *hw; - struct device *dev; - -- spinlock_t wiphy_lock; /* spinlock to protect ath_wiphy data */ -- struct ath_wiphy *pri_wiphy; -- struct ath_wiphy **sec_wiphy; /* secondary wiphys (virtual radios); may -- * have NULL entries */ -- int num_sec_wiphy; /* number of sec_wiphy pointers in the array */ - int chan_idx; - int chan_is_ht; -- struct ath_wiphy *next_wiphy; -- struct work_struct chan_work; -- int wiphy_select_failures; -- unsigned long wiphy_select_first_fail; -- struct delayed_work wiphy_work; -- unsigned long wiphy_scheduler_int; -- int wiphy_scheduler_index; - struct survey_info *cur_survey; - struct survey_info survey[ATH9K_NUM_CHANNELS]; - -@@ -643,6 +628,9 @@ struct ath_softc { - int led_on_cnt; - int led_off_cnt; - -+ struct ath9k_hw_cal_data caldata; -+ int last_rssi; -+ - int beacon_interval; - - #ifdef CONFIG_ATH9K_DEBUGFS -@@ -662,23 +650,6 @@ struct ath_softc { - struct pm_qos_request_list pm_qos_req; - }; - --struct ath_wiphy { -- struct ath_softc *sc; /* shared for all virtual wiphys */ -- struct ieee80211_hw *hw; -- struct ath9k_hw_cal_data caldata; -- enum ath_wiphy_state { -- ATH_WIPHY_INACTIVE, -- ATH_WIPHY_ACTIVE, -- ATH_WIPHY_PAUSING, -- ATH_WIPHY_PAUSED, -- ATH_WIPHY_SCAN, -- } state; -- bool idle; -- int chan_idx; -- int chan_is_ht; -- int last_rssi; --}; -- - void ath9k_tasklet(unsigned long data); - int ath_reset(struct ath_softc *sc, bool retry_tx); - int ath_cabq_update(struct ath_softc *); -@@ -732,24 +703,6 @@ void ath9k_ps_restore(struct ath_softc * - u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate); - - void ath9k_set_bssid_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif); --int ath9k_wiphy_add(struct ath_softc *sc); --int ath9k_wiphy_del(struct ath_wiphy *aphy); --void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, int ftype); --int ath9k_wiphy_pause(struct ath_wiphy *aphy); --int ath9k_wiphy_unpause(struct ath_wiphy *aphy); --int ath9k_wiphy_select(struct ath_wiphy *aphy); --void ath9k_wiphy_set_scheduler(struct ath_softc *sc, unsigned int msec_int); --void ath9k_wiphy_chan_work(struct work_struct *work); --bool ath9k_wiphy_started(struct ath_softc *sc); --void ath9k_wiphy_pause_all_forced(struct ath_softc *sc, -- struct ath_wiphy *selected); --bool ath9k_wiphy_scanning(struct ath_softc *sc); --void ath9k_wiphy_work(struct work_struct *work); --bool ath9k_all_wiphys_idle(struct ath_softc *sc); --void ath9k_set_wiphy_idle(struct ath_wiphy *aphy, bool idle); -- --void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue); --bool ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue); - - void ath_start_rfkill_poll(struct ath_softc *sc); - extern void ath9k_rfkill_poll_state(struct ieee80211_hw *hw); +@@ -189,7 +189,6 @@ struct ath_txq { + u32 axq_ampdu_depth; + bool stopped; + bool axq_tx_inprogress; +- bool txq_flush_inprogress; + struct list_head axq_acq; + struct list_head txq_fifo[ATH_TXFIFO_DEPTH]; + struct list_head txq_fifo_pending; --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c -@@ -112,8 +112,7 @@ static void ath_beacon_setup(struct ath_ - - static void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - struct ath_tx_control txctl; - -@@ -132,8 +131,7 @@ static void ath_tx_cabq(struct ieee80211 - static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - struct ath_buf *bf; - struct ath_vif *avp; -@@ -142,9 +140,6 @@ static struct ath_buf *ath_beacon_genera - struct ieee80211_tx_info *info; - int cabq_depth; - -- if (aphy->state != ATH_WIPHY_ACTIVE) -- return NULL; -- - avp = (void *)vif->drv_priv; - cabq = sc->beacon.cabq; - -@@ -225,9 +220,8 @@ static struct ath_buf *ath_beacon_genera - return bf; - } - --int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif) -+int ath_beacon_alloc(struct ath_softc *sc, struct ieee80211_vif *vif) - { -- struct ath_softc *sc = aphy->sc; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - struct ath_vif *avp; - struct ath_buf *bf; -@@ -261,7 +255,6 @@ int ath_beacon_alloc(struct ath_wiphy *a - } - BUG_ON(sc->beacon.bslot[avp->av_bslot] != NULL); - sc->beacon.bslot[avp->av_bslot] = vif; -- sc->beacon.bslot_aphy[avp->av_bslot] = aphy; - sc->nbcnvifs++; - } +@@ -373,6 +373,7 @@ void ath_beacon_tasklet(unsigned long da + ath_dbg(common, ATH_DBG_BSTUCK, + "missed %u consecutive beacons\n", + sc->beacon.bmisscnt); ++ ath9k_hw_stop_dma_queue(ah, sc->beacon.beaconq); + ath9k_hw_bstuck_nfcal(ah); + } else if (sc->beacon.bmisscnt >= BSTUCK_THRESH) { + ath_dbg(common, ATH_DBG_BSTUCK, +@@ -450,16 +451,6 @@ void ath_beacon_tasklet(unsigned long da + sc->beacon.updateslot = OK; } -@@ -332,7 +325,6 @@ void ath_beacon_return(struct ath_softc - - if (avp->av_bslot != -1) { - sc->beacon.bslot[avp->av_bslot] = NULL; -- sc->beacon.bslot_aphy[avp->av_bslot] = NULL; - sc->nbcnvifs--; - } - -@@ -358,7 +350,6 @@ void ath_beacon_tasklet(unsigned long da - struct ath_common *common = ath9k_hw_common(ah); - struct ath_buf *bf = NULL; - struct ieee80211_vif *vif; -- struct ath_wiphy *aphy; - int slot; - u32 bfaddr, bc = 0, tsftu; - u64 tsf; -@@ -416,7 +407,6 @@ void ath_beacon_tasklet(unsigned long da - */ - slot = ATH_BCBUF - slot - 1; - vif = sc->beacon.bslot[slot]; -- aphy = sc->beacon.bslot_aphy[slot]; - - ath_dbg(common, ATH_DBG_BEACON, - "slot %d [tsf %llu tsftu %u intval %u] vif %p\n", -@@ -424,7 +414,7 @@ void ath_beacon_tasklet(unsigned long da - - bfaddr = 0; - if (vif) { -- bf = ath_beacon_generate(aphy->hw, vif); -+ bf = ath_beacon_generate(sc->hw, vif); - if (bf != NULL) { - bfaddr = bf->bf_daddr; - bc = 1; ---- a/drivers/net/wireless/ath/ath9k/debug.c -+++ b/drivers/net/wireless/ath/ath9k/debug.c -@@ -381,41 +381,21 @@ static const struct file_operations fops - .llseek = default_llseek, - }; - --static const char * ath_wiphy_state_str(enum ath_wiphy_state state) --{ -- switch (state) { -- case ATH_WIPHY_INACTIVE: -- return "INACTIVE"; -- case ATH_WIPHY_ACTIVE: -- return "ACTIVE"; -- case ATH_WIPHY_PAUSING: -- return "PAUSING"; -- case ATH_WIPHY_PAUSED: -- return "PAUSED"; -- case ATH_WIPHY_SCAN: -- return "SCAN"; -- } -- return "?"; --} -- - static ssize_t read_file_wiphy(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) - { - struct ath_softc *sc = file->private_data; -- struct ath_wiphy *aphy = sc->pri_wiphy; -- struct ieee80211_channel *chan = aphy->hw->conf.channel; -+ struct ieee80211_channel *chan = sc->hw->conf.channel; - char buf[512]; - unsigned int len = 0; -- int i; - u8 addr[ETH_ALEN]; - u32 tmp; - - len += snprintf(buf + len, sizeof(buf) - len, -- "primary: %s (%s chan=%d ht=%d)\n", -- wiphy_name(sc->pri_wiphy->hw->wiphy), -- ath_wiphy_state_str(sc->pri_wiphy->state), -+ "%s (chan=%d ht=%d)\n", -+ wiphy_name(sc->hw->wiphy), - ieee80211_frequency_to_channel(chan->center_freq), -- aphy->chan_is_ht); -+ conf_is_ht(&sc->hw->conf)); - - put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr); - put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4); -@@ -457,123 +437,14 @@ static ssize_t read_file_wiphy(struct fi - else - len += snprintf(buf + len, sizeof(buf) - len, "\n"); - -- /* Put variable-length stuff down here, and check for overflows. */ -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- struct ath_wiphy *aphy_tmp = sc->sec_wiphy[i]; -- if (aphy_tmp == NULL) -- continue; -- chan = aphy_tmp->hw->conf.channel; -- len += snprintf(buf + len, sizeof(buf) - len, -- "secondary: %s (%s chan=%d ht=%d)\n", -- wiphy_name(aphy_tmp->hw->wiphy), -- ath_wiphy_state_str(aphy_tmp->state), -- ieee80211_frequency_to_channel(chan->center_freq), -- aphy_tmp->chan_is_ht); -- } - if (len > sizeof(buf)) - len = sizeof(buf); - - return simple_read_from_buffer(user_buf, count, ppos, buf, len); - } - --static struct ath_wiphy * get_wiphy(struct ath_softc *sc, const char *name) --{ -- int i; -- if (strcmp(name, wiphy_name(sc->pri_wiphy->hw->wiphy)) == 0) -- return sc->pri_wiphy; -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- struct ath_wiphy *aphy = sc->sec_wiphy[i]; -- if (aphy && strcmp(name, wiphy_name(aphy->hw->wiphy)) == 0) -- return aphy; -- } -- return NULL; --} -- --static int del_wiphy(struct ath_softc *sc, const char *name) --{ -- struct ath_wiphy *aphy = get_wiphy(sc, name); -- if (!aphy) -- return -ENOENT; -- return ath9k_wiphy_del(aphy); --} -- --static int pause_wiphy(struct ath_softc *sc, const char *name) --{ -- struct ath_wiphy *aphy = get_wiphy(sc, name); -- if (!aphy) -- return -ENOENT; -- return ath9k_wiphy_pause(aphy); --} -- --static int unpause_wiphy(struct ath_softc *sc, const char *name) --{ -- struct ath_wiphy *aphy = get_wiphy(sc, name); -- if (!aphy) -- return -ENOENT; -- return ath9k_wiphy_unpause(aphy); --} -- --static int select_wiphy(struct ath_softc *sc, const char *name) --{ -- struct ath_wiphy *aphy = get_wiphy(sc, name); -- if (!aphy) -- return -ENOENT; -- return ath9k_wiphy_select(aphy); --} -- --static int schedule_wiphy(struct ath_softc *sc, const char *msec) --{ -- ath9k_wiphy_set_scheduler(sc, simple_strtoul(msec, NULL, 0)); -- return 0; --} -- --static ssize_t write_file_wiphy(struct file *file, const char __user *user_buf, -- size_t count, loff_t *ppos) --{ -- struct ath_softc *sc = file->private_data; -- char buf[50]; -- size_t len; -- -- len = min(count, sizeof(buf) - 1); -- if (copy_from_user(buf, user_buf, len)) -- return -EFAULT; -- buf[len] = '\0'; -- if (len > 0 && buf[len - 1] == '\n') -- buf[len - 1] = '\0'; -- -- if (strncmp(buf, "add", 3) == 0) { -- int res = ath9k_wiphy_add(sc); -- if (res < 0) -- return res; -- } else if (strncmp(buf, "del=", 4) == 0) { -- int res = del_wiphy(sc, buf + 4); -- if (res < 0) -- return res; -- } else if (strncmp(buf, "pause=", 6) == 0) { -- int res = pause_wiphy(sc, buf + 6); -- if (res < 0) -- return res; -- } else if (strncmp(buf, "unpause=", 8) == 0) { -- int res = unpause_wiphy(sc, buf + 8); -- if (res < 0) -- return res; -- } else if (strncmp(buf, "select=", 7) == 0) { -- int res = select_wiphy(sc, buf + 7); -- if (res < 0) -- return res; -- } else if (strncmp(buf, "schedule=", 9) == 0) { -- int res = schedule_wiphy(sc, buf + 9); -- if (res < 0) -- return res; -- } else -- return -EOPNOTSUPP; -- -- return count; --} -- - static const struct file_operations fops_wiphy = { - .read = read_file_wiphy, -- .write = write_file_wiphy, - .open = ath9k_debugfs_open, - .owner = THIS_MODULE, - .llseek = default_llseek, ---- a/drivers/net/wireless/ath/ath9k/gpio.c -+++ b/drivers/net/wireless/ath/ath9k/gpio.c -@@ -201,8 +201,7 @@ static bool ath_is_rfkill_set(struct ath - - void ath9k_rfkill_poll_state(struct ieee80211_hw *hw) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - bool blocked = !!ath_is_rfkill_set(sc); - - wiphy_rfkill_set_hw_state(hw->wiphy, blocked); ---- a/drivers/net/wireless/ath/ath9k/init.c -+++ b/drivers/net/wireless/ath/ath9k/init.c -@@ -254,8 +254,7 @@ static int ath9k_reg_notifier(struct wip - struct regulatory_request *request) - { - struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_regulatory *reg = ath9k_hw_regulatory(sc->sc_ah); - - return ath_reg_notifier_apply(wiphy, request, reg); -@@ -517,10 +516,8 @@ static void ath9k_init_misc(struct ath_s - - sc->beacon.slottime = ATH9K_SLOT_TIME_9; - -- for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) { -+ for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) - sc->beacon.bslot[i] = NULL; -- sc->beacon.bslot_aphy[i] = NULL; -- } - - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) - sc->ant_comb.count = ATH_ANT_DIV_COMB_INIT_COUNT; -@@ -556,7 +553,6 @@ static int ath9k_init_softc(u16 devid, s - common->btcoex_enabled = ath9k_btcoex_enable == 1; - spin_lock_init(&common->cc_lock); - -- spin_lock_init(&sc->wiphy_lock); - spin_lock_init(&sc->sc_serial_rw); - spin_lock_init(&sc->sc_pm_lock); - mutex_init(&sc->mutex); -@@ -707,7 +703,6 @@ int ath9k_init_device(u16 devid, struct - const struct ath_bus_ops *bus_ops) - { - struct ieee80211_hw *hw = sc->hw; -- struct ath_wiphy *aphy = hw->priv; - struct ath_common *common; - struct ath_hw *ah; - int error = 0; -@@ -762,10 +757,7 @@ int ath9k_init_device(u16 devid, struct - - INIT_WORK(&sc->hw_check_work, ath_hw_check); - INIT_WORK(&sc->paprd_work, ath_paprd_calibrate); -- INIT_WORK(&sc->chan_work, ath9k_wiphy_chan_work); -- INIT_DELAYED_WORK(&sc->wiphy_work, ath9k_wiphy_work); -- sc->wiphy_scheduler_int = msecs_to_jiffies(500); -- aphy->last_rssi = ATH_RSSI_DUMMY_MARKER; -+ sc->last_rssi = ATH_RSSI_DUMMY_MARKER; - - ath_init_leds(sc); - ath_start_rfkill_poll(sc); -@@ -823,28 +815,17 @@ static void ath9k_deinit_softc(struct at - void ath9k_deinit_device(struct ath_softc *sc) - { - struct ieee80211_hw *hw = sc->hw; -- int i = 0; - - ath9k_ps_wakeup(sc); - - wiphy_rfkill_stop_polling(sc->hw->wiphy); - ath_deinit_leds(sc); - -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- struct ath_wiphy *aphy = sc->sec_wiphy[i]; -- if (aphy == NULL) -- continue; -- sc->sec_wiphy[i] = NULL; -- ieee80211_unregister_hw(aphy->hw); -- ieee80211_free_hw(aphy->hw); -- } + if (bfaddr != 0) { +- /* +- * Stop any current dma and put the new frame(s) on the queue. +- * This should never fail since we check above that no frames +- * are still pending on the queue. +- */ +- if (!ath9k_hw_stoptxdma(ah, sc->beacon.beaconq)) { +- ath_err(common, "beacon queue %u did not stop?\n", +- sc->beacon.beaconq); +- } - - ieee80211_unregister_hw(hw); - pm_qos_remove_request(&sc->pm_qos_req); - ath_rx_cleanup(sc); - ath_tx_cleanup(sc); - ath9k_deinit_softc(sc); -- kfree(sc->sec_wiphy); - } - - void ath_descdma_cleanup(struct ath_softc *sc, ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -215,7 +215,6 @@ static void ath_update_survey_stats(stru - int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, - struct ath9k_channel *hchan) - { -- struct ath_wiphy *aphy = hw->priv; - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - struct ieee80211_conf *conf = &common->hw->conf; -@@ -262,7 +261,7 @@ int ath_set_channel(struct ath_softc *sc - fastcc = false; - - if (!(sc->sc_flags & SC_OP_OFFCHANNEL)) -- caldata = &aphy->caldata; -+ caldata = &sc->caldata; - - ath_dbg(common, ATH_DBG_CONFIG, - "(%u MHz) -> (%u MHz), conf_is_ht40: %d fastcc: %d\n", -@@ -295,6 +294,8 @@ int ath_set_channel(struct ath_softc *sc + /* NB: cabq traffic should already be queued and primed */ + ath9k_hw_puttxbuf(ah, sc->beacon.beaconq, bfaddr); + ath9k_hw_txstart(ah, sc->beacon.beaconq); +@@ -780,7 +771,7 @@ void ath9k_set_beaconing_status(struct a + ah->imask &= ~ATH9K_INT_SWBA; + ath9k_hw_set_interrupts(ah, ah->imask); + tasklet_kill(&sc->bcon_tasklet); +- ath9k_hw_stoptxdma(ah, sc->beacon.beaconq); ++ ath9k_hw_stop_dma_queue(ah, sc->beacon.beaconq); } - - ps_restore: -+ ieee80211_wake_queues(hw); -+ - spin_unlock_bh(&sc->sc_pcu_lock); - ath9k_ps_restore(sc); -@@ -850,7 +851,6 @@ static void ath9k_bss_assoc_info(struct - struct ieee80211_vif *vif, - struct ieee80211_bss_conf *bss_conf) - { -- struct ath_wiphy *aphy = hw->priv; - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - -@@ -874,7 +874,7 @@ static void ath9k_bss_assoc_info(struct - ath_beacon_config(sc, vif); - - /* Reset rssi stats */ -- aphy->last_rssi = ATH_RSSI_DUMMY_MARKER; -+ sc->last_rssi = ATH_RSSI_DUMMY_MARKER; - sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER; - - sc->sc_flags |= SC_OP_ANI_RUN; -@@ -1073,8 +1073,7 @@ void ath9k_update_ichannel(struct ath_so - - static int ath9k_start(struct ieee80211_hw *hw) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - struct ieee80211_channel *curchan = hw->conf.channel; -@@ -1087,29 +1086,7 @@ static int ath9k_start(struct ieee80211_ - - mutex_lock(&sc->mutex); - -- if (ath9k_wiphy_started(sc)) { -- if (sc->chan_idx == curchan->hw_value) { -- /* -- * Already on the operational channel, the new wiphy -- * can be marked active. -- */ -- aphy->state = ATH_WIPHY_ACTIVE; -- ieee80211_wake_queues(hw); -- } else { -- /* -- * Another wiphy is on another channel, start the new -- * wiphy in paused state. -- */ -- aphy->state = ATH_WIPHY_PAUSED; -- ieee80211_stop_queues(hw); -- } -- mutex_unlock(&sc->mutex); -- return 0; + } +--- a/drivers/net/wireless/ath/ath9k/hw.h ++++ b/drivers/net/wireless/ath/ath9k/hw.h +@@ -95,9 +95,9 @@ + #define REG_READ_FIELD(_a, _r, _f) \ + (((REG_READ(_a, _r) & _f) >> _f##_S)) + #define REG_SET_BIT(_a, _r, _f) \ +- REG_WRITE(_a, _r, REG_READ(_a, _r) | _f) ++ REG_WRITE(_a, _r, REG_READ(_a, _r) | (_f)) + #define REG_CLR_BIT(_a, _r, _f) \ +- REG_WRITE(_a, _r, REG_READ(_a, _r) & ~_f) ++ REG_WRITE(_a, _r, REG_READ(_a, _r) & ~(_f)) + + #define DO_DELAY(x) do { \ + if ((++(x) % 64) == 0) \ +--- a/drivers/net/wireless/ath/ath9k/mac.c ++++ b/drivers/net/wireless/ath/ath9k/mac.c +@@ -143,84 +143,59 @@ bool ath9k_hw_updatetxtriglevel(struct a + } + EXPORT_SYMBOL(ath9k_hw_updatetxtriglevel); + +-bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q) ++void ath9k_hw_abort_tx_dma(struct ath_hw *ah) + { +-#define ATH9K_TX_STOP_DMA_TIMEOUT 4000 /* usec */ +-#define ATH9K_TIME_QUANTUM 100 /* usec */ +- struct ath_common *common = ath9k_hw_common(ah); +- struct ath9k_hw_capabilities *pCap = &ah->caps; +- struct ath9k_tx_queue_info *qi; +- u32 tsfLow, j, wait; +- u32 wait_time = ATH9K_TX_STOP_DMA_TIMEOUT / ATH9K_TIME_QUANTUM; ++ int i, q; + +- if (q >= pCap->total_queues) { +- ath_dbg(common, ATH_DBG_QUEUE, +- "Stopping TX DMA, invalid queue: %u\n", q); +- return false; - } -- aphy->state = ATH_WIPHY_ACTIVE; -- - /* setup initial channel */ -- - sc->chan_idx = curchan->hw_value; - - init_channel = ath_get_curchannel(sc, hw); -@@ -1213,19 +1190,11 @@ mutex_unlock: - static int ath9k_tx(struct ieee80211_hw *hw, - struct sk_buff *skb) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - struct ath_tx_control txctl; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; ++ REG_WRITE(ah, AR_Q_TXD, AR_Q_TXD_M); -- if (aphy->state != ATH_WIPHY_ACTIVE && aphy->state != ATH_WIPHY_SCAN) { -- ath_dbg(common, ATH_DBG_XMIT, -- "ath9k: %s: TX in unexpected wiphy state %d\n", -- wiphy_name(hw->wiphy), aphy->state); -- goto exit; +- qi = &ah->txq[q]; +- if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) { +- ath_dbg(common, ATH_DBG_QUEUE, +- "Stopping TX DMA, inactive queue: %u\n", q); +- return false; - } -- - if (sc->ps_enabled) { - /* - * mac80211 does not set PM field for normal data frames, so we -@@ -1284,16 +1253,12 @@ exit: ++ REG_SET_BIT(ah, AR_PCU_MISC, AR_PCU_FORCE_QUIET_COLL | AR_PCU_CLEAR_VMF); ++ REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH); ++ REG_SET_BIT(ah, AR_D_GBL_IFS_MISC, AR_D_GBL_IFS_MISC_IGNORE_BACKOFF); - static void ath9k_stop(struct ieee80211_hw *hw) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); -- int i; +- REG_WRITE(ah, AR_Q_TXD, 1 << q); ++ for (q = 0; q < AR_NUM_QCU; q++) { ++ for (i = 0; i < 1000; i++) { ++ if (i) ++ udelay(5); - mutex_lock(&sc->mutex); - -- aphy->state = ATH_WIPHY_INACTIVE; -- - if (led_blink) - cancel_delayed_work_sync(&sc->ath_led_blink_work); - -@@ -1301,27 +1266,12 @@ static void ath9k_stop(struct ieee80211_ - cancel_work_sync(&sc->paprd_work); - cancel_work_sync(&sc->hw_check_work); - -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- if (sc->sec_wiphy[i]) +- for (wait = wait_time; wait != 0; wait--) { +- if (ath9k_hw_numtxpending(ah, q) == 0) - break; -- } -- -- if (i == sc->num_sec_wiphy) { -- cancel_delayed_work_sync(&sc->wiphy_work); -- cancel_work_sync(&sc->chan_work); -- } -- - if (sc->sc_flags & SC_OP_INVALID) { - ath_dbg(common, ATH_DBG_ANY, "Device not present\n"); - mutex_unlock(&sc->mutex); - return; - } - -- if (ath9k_wiphy_started(sc)) { -- mutex_unlock(&sc->mutex); -- return; /* another wiphy still in use */ -- } -- - /* Ensure HW is awake when we try to shut it down. */ - ath9k_ps_wakeup(sc); - -@@ -1353,7 +1303,6 @@ static void ath9k_stop(struct ieee80211_ - ath9k_ps_restore(sc); - - sc->ps_idle = true; -- ath9k_set_wiphy_idle(aphy, true); - ath_radio_disable(sc, hw); - - sc->sc_flags |= SC_OP_INVALID; -@@ -1439,11 +1388,9 @@ void ath9k_calculate_iter_data(struct ie - struct ieee80211_vif *vif, - struct ath9k_vif_iter_data *iter_data) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); -- int i; - - /* - * Use the hardware MAC address as reference, the hardware uses it -@@ -1457,24 +1404,15 @@ void ath9k_calculate_iter_data(struct ie - ath9k_vif_iter(iter_data, vif->addr, vif); - - /* Get list of all active MAC addresses */ -- spin_lock_bh(&sc->wiphy_lock); - ieee80211_iterate_active_interfaces_atomic(sc->hw, ath9k_vif_iter, - iter_data); -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- if (sc->sec_wiphy[i] == NULL) -- continue; -- ieee80211_iterate_active_interfaces_atomic( -- sc->sec_wiphy[i]->hw, ath9k_vif_iter, iter_data); -- } -- spin_unlock_bh(&sc->wiphy_lock); - } - - /* Called with sc->mutex held. */ - static void ath9k_calculate_summary_state(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - struct ath9k_vif_iter_data iter_data; -@@ -1530,8 +1468,7 @@ static void ath9k_calculate_summary_stat - static void ath9k_do_vif_add_setup(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - - ath9k_calculate_summary_state(hw, vif); - -@@ -1544,7 +1481,7 @@ static void ath9k_do_vif_add_setup(struc - * in the info_changed method and set up beacons properly - * there. - */ -- error = ath_beacon_alloc(aphy, vif); -+ error = ath_beacon_alloc(sc, vif); - if (error) - ath9k_reclaim_beacon(sc, vif); - else -@@ -1556,8 +1493,7 @@ static void ath9k_do_vif_add_setup(struc - static int ath9k_add_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - struct ath_vif *avp = (void *)vif->drv_priv; -@@ -1617,8 +1553,7 @@ static int ath9k_change_interface(struct - enum nl80211_iftype new_type, - bool p2p) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - int ret = 0; - -@@ -1660,8 +1595,7 @@ out: - static void ath9k_remove_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - - ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface\n"); -@@ -1715,12 +1649,11 @@ static void ath9k_disable_ps(struct ath_ - - static int ath9k_config(struct ieee80211_hw *hw, u32 changed) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - struct ieee80211_conf *conf = &hw->conf; -- bool disable_radio; -+ bool disable_radio = false; - - mutex_lock(&sc->mutex); - -@@ -1731,29 +1664,13 @@ static int ath9k_config(struct ieee80211 - * the end. - */ - if (changed & IEEE80211_CONF_CHANGE_IDLE) { -- bool enable_radio; -- bool all_wiphys_idle; -- bool idle = !!(conf->flags & IEEE80211_CONF_IDLE); -- -- spin_lock_bh(&sc->wiphy_lock); -- all_wiphys_idle = ath9k_all_wiphys_idle(sc); -- ath9k_set_wiphy_idle(aphy, idle); -- -- enable_radio = (!idle && all_wiphys_idle); -- -- /* -- * After we unlock here its possible another wiphy -- * can be re-renabled so to account for that we will -- * only disable the radio toward the end of this routine -- * if by then all wiphys are still idle. -- */ -- spin_unlock_bh(&sc->wiphy_lock); -- -- if (enable_radio) { -- sc->ps_idle = false; -+ 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 { -+ disable_radio = true; - } +- udelay(ATH9K_TIME_QUANTUM); ++ if (!ath9k_hw_numtxpending(ah, q)) ++ break; ++ } } -@@ -1794,24 +1711,11 @@ static int ath9k_config(struct ieee80211 - if (ah->curchan) - old_pos = ah->curchan - &ah->channels[0]; - -- aphy->chan_idx = pos; -- aphy->chan_is_ht = conf_is_ht(conf); - if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) - sc->sc_flags |= SC_OP_OFFCHANNEL; - else - sc->sc_flags &= ~SC_OP_OFFCHANNEL; - -- if (aphy->state == ATH_WIPHY_SCAN || -- aphy->state == ATH_WIPHY_ACTIVE) -- ath9k_wiphy_pause_all_forced(sc, aphy); -- else { -- /* -- * Do not change operational channel based on a paused -- * wiphy changes. -- */ -- goto skip_chan_change; +- if (ath9k_hw_numtxpending(ah, q)) { +- ath_dbg(common, ATH_DBG_QUEUE, +- "%s: Num of pending TX Frames %d on Q %d\n", +- __func__, ath9k_hw_numtxpending(ah, q), q); +- +- for (j = 0; j < 2; j++) { +- tsfLow = REG_READ(ah, AR_TSF_L32); +- REG_WRITE(ah, AR_QUIET2, +- SM(10, AR_QUIET2_QUIET_DUR)); +- REG_WRITE(ah, AR_QUIET_PERIOD, 100); +- REG_WRITE(ah, AR_NEXT_QUIET_TIMER, tsfLow >> 10); +- REG_SET_BIT(ah, AR_TIMER_MODE, +- AR_QUIET_TIMER_EN); +- +- if ((REG_READ(ah, AR_TSF_L32) >> 10) == (tsfLow >> 10)) +- break; ++ REG_CLR_BIT(ah, AR_PCU_MISC, AR_PCU_FORCE_QUIET_COLL | AR_PCU_CLEAR_VMF); ++ REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH); ++ REG_CLR_BIT(ah, AR_D_GBL_IFS_MISC, AR_D_GBL_IFS_MISC_IGNORE_BACKOFF); + +- ath_dbg(common, ATH_DBG_QUEUE, +- "TSF has moved while trying to set quiet time TSF: 0x%08x\n", +- tsfLow); +- } ++ REG_WRITE(ah, AR_Q_TXD, 0); ++} ++EXPORT_SYMBOL(ath9k_hw_abort_tx_dma); + +- REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH); ++bool ath9k_hw_stop_dma_queue(struct ath_hw *ah, u32 q) ++{ ++#define ATH9K_TX_STOP_DMA_TIMEOUT 1000 /* usec */ ++#define ATH9K_TIME_QUANTUM 100 /* usec */ ++ int wait_time = ATH9K_TX_STOP_DMA_TIMEOUT / ATH9K_TIME_QUANTUM; ++ int wait; + +- udelay(200); +- REG_CLR_BIT(ah, AR_TIMER_MODE, AR_QUIET_TIMER_EN); ++ REG_WRITE(ah, AR_Q_TXD, 1 << q); + +- wait = wait_time; +- while (ath9k_hw_numtxpending(ah, q)) { +- if ((--wait) == 0) { +- ath_err(common, +- "Failed to stop TX DMA in 100 msec after killing last frame\n"); +- break; +- } ++ for (wait = wait_time; wait != 0; wait--) { ++ if (wait != wait_time) + udelay(ATH9K_TIME_QUANTUM); - } -- - ath_dbg(common, ATH_DBG_CONFIG, "Set channel: %d MHz\n", - curchan->center_freq); - -@@ -1858,7 +1762,6 @@ static int ath9k_config(struct ieee80211 - ath_update_survey_nf(sc, old_pos); - } - --skip_chan_change: - if (changed & IEEE80211_CONF_CHANGE_POWER) { - sc->config.txpowlimit = 2 * conf->power_level; - ath9k_ps_wakeup(sc); -@@ -1866,13 +1769,8 @@ skip_chan_change: - ath9k_ps_restore(sc); - } - -- spin_lock_bh(&sc->wiphy_lock); -- disable_radio = ath9k_all_wiphys_idle(sc); -- spin_unlock_bh(&sc->wiphy_lock); -- - if (disable_radio) { - ath_dbg(common, ATH_DBG_CONFIG, "idle: disabling radio\n"); -- sc->ps_idle = true; - ath_radio_disable(sc, hw); - } - -@@ -1897,8 +1795,7 @@ static void ath9k_configure_filter(struc - unsigned int *total_flags, - u64 multicast) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - u32 rfilt; - - changed_flags &= SUPPORTED_FILTERS; -@@ -1918,8 +1815,7 @@ static int ath9k_sta_add(struct ieee8021 - struct ieee80211_vif *vif, - struct ieee80211_sta *sta) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - - ath_node_attach(sc, sta); - -@@ -1930,8 +1826,7 @@ static int ath9k_sta_remove(struct ieee8 - struct ieee80211_vif *vif, - struct ieee80211_sta *sta) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - - ath_node_detach(sc, sta); - -@@ -1941,8 +1836,7 @@ static int ath9k_sta_remove(struct ieee8 - static int ath9k_conf_tx(struct ieee80211_hw *hw, u16 queue, - const struct ieee80211_tx_queue_params *params) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - struct ath_txq *txq; - struct ath9k_tx_queue_info qi; -@@ -1986,8 +1880,7 @@ static int ath9k_set_key(struct ieee8021 - struct ieee80211_sta *sta, - struct ieee80211_key_conf *key) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - int ret = 0; -@@ -2031,8 +1924,7 @@ static void ath9k_bss_info_changed(struc - struct ieee80211_bss_conf *bss_conf, - u32 changed) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - struct ath_vif *avp = (void *)vif->drv_priv; -@@ -2062,7 +1954,7 @@ static void ath9k_bss_info_changed(struc - if ((changed & BSS_CHANGED_BEACON) || - ((changed & BSS_CHANGED_BEACON_ENABLED) && bss_conf->enable_beacon)) { - ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq); -- error = ath_beacon_alloc(aphy, vif); -+ error = ath_beacon_alloc(sc, vif); - if (!error) - ath_beacon_config(sc, vif); +- REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH); ++ if (ath9k_hw_numtxpending(ah, q) == 0) ++ break; } -@@ -2099,7 +1991,7 @@ static void ath9k_bss_info_changed(struc - if (vif->type == NL80211_IFTYPE_AP) { - sc->sc_flags |= SC_OP_TSF_RESET; - ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq); -- error = ath_beacon_alloc(aphy, vif); -+ error = ath_beacon_alloc(sc, vif); - if (!error) - ath_beacon_config(sc, vif); - } else { -@@ -2137,9 +2029,8 @@ static void ath9k_bss_info_changed(struc - static u64 ath9k_get_tsf(struct ieee80211_hw *hw) - { -+ struct ath_softc *sc = hw->priv; - u64 tsf; -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; - - mutex_lock(&sc->mutex); - ath9k_ps_wakeup(sc); -@@ -2152,8 +2043,7 @@ static u64 ath9k_get_tsf(struct ieee8021 - - static void ath9k_set_tsf(struct ieee80211_hw *hw, u64 tsf) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - - mutex_lock(&sc->mutex); - ath9k_ps_wakeup(sc); -@@ -2164,8 +2054,7 @@ static void ath9k_set_tsf(struct ieee802 - - static void ath9k_reset_tsf(struct ieee80211_hw *hw) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - - mutex_lock(&sc->mutex); - -@@ -2182,8 +2071,7 @@ static int ath9k_ampdu_action(struct iee - struct ieee80211_sta *sta, - u16 tid, u16 *ssn, u8 buf_size) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - int ret = 0; + REG_WRITE(ah, AR_Q_TXD, 0); ++ + return wait != 0; - local_bh_disable(); -@@ -2228,8 +2116,7 @@ static int ath9k_ampdu_action(struct iee - static int ath9k_get_survey(struct ieee80211_hw *hw, int idx, - struct survey_info *survey) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - struct ieee80211_supported_band *sband; - struct ieee80211_channel *chan; -@@ -2263,47 +2150,9 @@ static int ath9k_get_survey(struct ieee8 - return 0; + #undef ATH9K_TX_STOP_DMA_TIMEOUT + #undef ATH9K_TIME_QUANTUM } +-EXPORT_SYMBOL(ath9k_hw_stoptxdma); ++EXPORT_SYMBOL(ath9k_hw_stop_dma_queue); + + void ath9k_hw_gettxintrtxqs(struct ath_hw *ah, u32 *txqs) + { +--- a/drivers/net/wireless/ath/ath9k/mac.h ++++ b/drivers/net/wireless/ath/ath9k/mac.h +@@ -676,7 +676,8 @@ void ath9k_hw_txstart(struct ath_hw *ah, + void ath9k_hw_cleartxdesc(struct ath_hw *ah, void *ds); + u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q); + bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel); +-bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q); ++bool ath9k_hw_stop_dma_queue(struct ath_hw *ah, u32 q); ++void ath9k_hw_abort_tx_dma(struct ath_hw *ah); + void ath9k_hw_gettxintrtxqs(struct ath_hw *ah, u32 *txqs); + bool ath9k_hw_set_txq_props(struct ath_hw *ah, int q, + const struct ath9k_tx_queue_info *qinfo); +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -2128,56 +2128,42 @@ static void ath9k_set_coverage_class(str --static void ath9k_sw_scan_start(struct ieee80211_hw *hw) --{ -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -- -- mutex_lock(&sc->mutex); -- if (ath9k_wiphy_scanning(sc)) { -- /* -- * There is a race here in mac80211 but fixing it requires -- * we revisit how we handle the scan complete callback. -- * After mac80211 fixes we will not have configured hardware -- * to the home channel nor would we have configured the RX -- * filter yet. -- */ -- mutex_unlock(&sc->mutex); -- return; -- } -- -- aphy->state = ATH_WIPHY_SCAN; -- ath9k_wiphy_pause_all_forced(sc, aphy); -- mutex_unlock(&sc->mutex); --} -- --/* -- * XXX: this requires a revisit after the driver -- * scan_complete gets moved to another place/removed in mac80211. -- */ --static void ath9k_sw_scan_complete(struct ieee80211_hw *hw) --{ -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -- -- mutex_lock(&sc->mutex); -- aphy->state = ATH_WIPHY_ACTIVE; -- mutex_unlock(&sc->mutex); --} -- - static void ath9k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class) + static void ath9k_flush(struct ieee80211_hw *hw, bool drop) { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_hw *ah = sc->sc_ah; +-#define ATH_FLUSH_TIMEOUT 60 /* ms */ + struct ath_softc *sc = hw->priv; +- struct ath_txq *txq = NULL; +- struct ath_hw *ah = sc->sc_ah; +- struct ath_common *common = ath9k_hw_common(ah); +- int i, j, npend = 0; ++ int timeout = 200; /* ms */ ++ int i, j; ++ ath9k_ps_wakeup(sc); mutex_lock(&sc->mutex); -@@ -2331,8 +2180,6 @@ struct ieee80211_ops ath9k_ops = { - .reset_tsf = ath9k_reset_tsf, - .ampdu_action = ath9k_ampdu_action, - .get_survey = ath9k_get_survey, -- .sw_scan_start = ath9k_sw_scan_start, -- .sw_scan_complete = ath9k_sw_scan_complete, - .rfkill_poll = ath9k_rfkill_poll_state, - .set_coverage_class = ath9k_set_coverage_class, - }; ---- a/drivers/net/wireless/ath/ath9k/pci.c -+++ b/drivers/net/wireless/ath/ath9k/pci.c -@@ -126,7 +126,6 @@ static const struct ath_bus_ops ath_pci_ - static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) - { - void __iomem *mem; -- struct ath_wiphy *aphy; - struct ath_softc *sc; - struct ieee80211_hw *hw; - u8 csz; -@@ -198,8 +197,7 @@ static int ath_pci_probe(struct pci_dev - goto err_iomap; - } - -- hw = ieee80211_alloc_hw(sizeof(struct ath_wiphy) + -- sizeof(struct ath_softc), &ath9k_ops); -+ hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops); - if (!hw) { - dev_err(&pdev->dev, "No memory for ieee80211_hw\n"); - ret = -ENOMEM; -@@ -209,11 +207,7 @@ static int ath_pci_probe(struct pci_dev - SET_IEEE80211_DEV(hw, &pdev->dev); - pci_set_drvdata(pdev, hw); - -- aphy = hw->priv; -- sc = (struct ath_softc *) (aphy + 1); -- aphy->sc = sc; -- aphy->hw = hw; -- sc->pri_wiphy = aphy; -+ sc = hw->priv; - sc->hw = hw; - sc->dev = &pdev->dev; - sc->mem = mem; -@@ -260,8 +254,7 @@ err_dma: - static void ath_pci_remove(struct pci_dev *pdev) - { - struct ieee80211_hw *hw = pci_get_drvdata(pdev); -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - void __iomem *mem = sc->mem; - - if (!is_ath9k_unloaded) -@@ -281,8 +274,7 @@ static int ath_pci_suspend(struct device - { - struct pci_dev *pdev = to_pci_dev(device); - struct ieee80211_hw *hw = pci_get_drvdata(pdev); -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - - ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1); - -@@ -293,8 +285,7 @@ static int ath_pci_resume(struct device - { - struct pci_dev *pdev = to_pci_dev(device); - struct ieee80211_hw *hw = pci_get_drvdata(pdev); -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - u32 val; - - /* -@@ -320,7 +311,6 @@ static int ath_pci_resume(struct device - ath9k_ps_restore(sc); - - sc->ps_idle = true; -- ath9k_set_wiphy_idle(aphy, true); - ath_radio_disable(sc, hw); - return 0; ---- a/drivers/net/wireless/ath/ath9k/rc.c -+++ b/drivers/net/wireless/ath/ath9k/rc.c -@@ -1560,8 +1560,7 @@ static void ath_rate_add_sta_debugfs(voi - - static void *ath_rate_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir) - { -- struct ath_wiphy *aphy = hw->priv; -- return aphy->sc; -+ return hw->priv; - } - - static void ath_rate_free(void *priv) ---- a/drivers/net/wireless/ath/ath9k/recv.c -+++ b/drivers/net/wireless/ath/ath9k/recv.c -@@ -34,27 +34,6 @@ static inline bool ath9k_check_auto_slee - (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP); - } + cancel_delayed_work_sync(&sc->tx_complete_work); --static struct ieee80211_hw * ath_get_virt_hw(struct ath_softc *sc, -- struct ieee80211_hdr *hdr) --{ -- struct ieee80211_hw *hw = sc->pri_wiphy->hw; -- int i; -- -- spin_lock_bh(&sc->wiphy_lock); -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- struct ath_wiphy *aphy = sc->sec_wiphy[i]; -- if (aphy == NULL) +- for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) { +- if (!ATH_TXQ_SETUP(sc, i)) - continue; -- if (compare_ether_addr(hdr->addr1, aphy->hw->wiphy->perm_addr) -- == 0) { -- hw = aphy->hw; -- break; -- } -- } -- spin_unlock_bh(&sc->wiphy_lock); -- return hw; --} +- txq = &sc->tx.txq[i]; - - /* - * Setup and link descriptors. - * -@@ -463,8 +442,7 @@ u32 ath_calcrxfilter(struct ath_softc *s - if (conf_is_ht(&sc->hw->conf)) - rfilt |= ATH9K_RX_FILTER_COMP_BAR; - -- if (sc->sec_wiphy || (sc->nvifs > 1) || -- (sc->rx.rxfilter & FIF_OTHER_BSS)) { -+ if (sc->nvifs > 1 || (sc->rx.rxfilter & FIF_OTHER_BSS)) { - /* The following may also be needed for other older chips */ - if (sc->sc_ah->hw_version.macVersion == AR_SREV_VERSION_9160) - rfilt |= ATH9K_RX_FILTER_PROM; -@@ -668,37 +646,6 @@ static void ath_rx_ps(struct ath_softc * - } - } - --static void ath_rx_send_to_mac80211(struct ieee80211_hw *hw, -- struct ath_softc *sc, struct sk_buff *skb) --{ -- struct ieee80211_hdr *hdr; -- -- hdr = (struct ieee80211_hdr *)skb->data; -- -- /* Send the frame to mac80211 */ -- if (is_multicast_ether_addr(hdr->addr1)) { -- int i; -- /* -- * Deliver broadcast/multicast frames to all suitable -- * virtual wiphys. -- */ -- /* TODO: filter based on channel configuration */ -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- struct ath_wiphy *aphy = sc->sec_wiphy[i]; -- struct sk_buff *nskb; -- if (aphy == NULL) -- continue; -- nskb = skb_copy(skb, GFP_ATOMIC); -- if (!nskb) -- continue; -- ieee80211_rx(aphy->hw, nskb); +- if (!drop) { +- for (j = 0; j < ATH_FLUSH_TIMEOUT; j++) { +- if (!ath9k_has_pending_frames(sc, txq)) +- break; +- usleep_range(1000, 2000); +- } - } -- ieee80211_rx(sc->hw, skb); -- } else -- /* Deliver unicast frames based on receiver address */ -- ieee80211_rx(hw, skb); --} -- - static bool ath_edma_get_buffers(struct ath_softc *sc, - enum ath9k_rx_qtype qtype) - { -@@ -980,7 +927,7 @@ static void ath9k_process_rssi(struct at - struct ieee80211_hdr *hdr, - struct ath_rx_status *rx_stats) - { -- struct ath_wiphy *aphy = hw->priv; -+ struct ath_softc *sc = hw->priv; - struct ath_hw *ah = common->ah; - int last_rssi; - __le16 fc; -@@ -1000,9 +947,9 @@ static void ath9k_process_rssi(struct at - } - - if (rx_stats->rs_rssi != ATH9K_RSSI_BAD && !rx_stats->rs_moreaggr) -- ATH_RSSI_LPF(aphy->last_rssi, rx_stats->rs_rssi); -+ ATH_RSSI_LPF(sc->last_rssi, rx_stats->rs_rssi); - -- last_rssi = aphy->last_rssi; -+ last_rssi = sc->last_rssi; - if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER)) - rx_stats->rs_rssi = ATH_EP_RND(last_rssi, - ATH_RSSI_EP_MULTIPLIER); -@@ -1644,7 +1591,7 @@ int ath_rx_tasklet(struct ath_softc *sc, - * virtual wiphy so to account for that we iterate over the active - * wiphys and find the appropriate wiphy and therefore hw. - */ -- struct ieee80211_hw *hw = NULL; -+ struct ieee80211_hw *hw = sc->hw; - struct ieee80211_hdr *hdr; - int retval; - bool decrypt_error = false; -@@ -1689,8 +1636,6 @@ int ath_rx_tasklet(struct ath_softc *sc, - hdr = (struct ieee80211_hdr *) (skb->data + rx_status_len); - rxs = IEEE80211_SKB_RXCB(skb); ++ if (drop) ++ timeout = 1; ++ ++ for (j = 0; j < timeout; j++) { ++ int npend = 0; ++ ++ if (j) ++ usleep_range(1000, 2000); -- hw = ath_get_virt_hw(sc, hdr); +- if (drop || ath9k_has_pending_frames(sc, txq)) { +- ath_dbg(common, ATH_DBG_QUEUE, "Drop frames from hw queue:%d\n", +- txq->axq_qnum); +- spin_lock_bh(&txq->axq_lock); +- txq->txq_flush_inprogress = true; +- spin_unlock_bh(&txq->axq_lock); - - ath_debug_stat_rx(sc, &rs); - - /* -@@ -1748,7 +1693,7 @@ int ath_rx_tasklet(struct ath_softc *sc, - bf->bf_mpdu = NULL; - bf->bf_buf_addr = 0; - ath_err(common, "dma_mapping_error() on RX\n"); -- ath_rx_send_to_mac80211(hw, sc, skb); -+ ieee80211_rx(hw, skb); - break; +- ath9k_ps_wakeup(sc); +- ath9k_hw_stoptxdma(ah, txq->axq_qnum); +- npend = ath9k_hw_numtxpending(ah, txq->axq_qnum); +- ath9k_ps_restore(sc); +- if (npend) +- break; ++ for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) { ++ if (!ATH_TXQ_SETUP(sc, i)) ++ continue; + +- ath_draintxq(sc, txq, false); +- txq->txq_flush_inprogress = false; ++ npend += ath9k_has_pending_frames(sc, &sc->tx.txq[i]); } ++ ++ if (!npend) ++ goto out; + } -@@ -1775,7 +1720,7 @@ int ath_rx_tasklet(struct ath_softc *sc, - if (ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) - ath_ant_comb_scan(sc, &rs); +- if (npend) { ++ if (!ath_drain_all_txq(sc, false)) + ath_reset(sc, false); +- txq->txq_flush_inprogress = false; +- } -- ath_rx_send_to_mac80211(hw, sc, skb); -+ ieee80211_rx(hw, skb); ++out: + ieee80211_queue_delayed_work(hw, &sc->tx_complete_work, 0); + mutex_unlock(&sc->mutex); ++ ath9k_ps_restore(sc); + } - requeue: - if (edma) { ---- a/drivers/net/wireless/ath/ath9k/virtual.c -+++ /dev/null -@@ -1,669 +0,0 @@ --/* -- * Copyright (c) 2008-2009 Atheros Communications Inc. -- * -- * Permission to use, copy, modify, and/or distribute this software for any -- * purpose with or without fee is hereby granted, provided that the above -- * copyright notice and this permission notice appear in all copies. -- * -- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR -- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF -- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -- */ -- --#include -- --#include "ath9k.h" -- --int ath9k_wiphy_add(struct ath_softc *sc) --{ -- int i, error; -- struct ath_wiphy *aphy; -- struct ath_common *common = ath9k_hw_common(sc->sc_ah); -- struct ieee80211_hw *hw; -- u8 addr[ETH_ALEN]; -- -- hw = ieee80211_alloc_hw(sizeof(struct ath_wiphy), &ath9k_ops); -- if (hw == NULL) -- return -ENOMEM; -- -- spin_lock_bh(&sc->wiphy_lock); -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- if (sc->sec_wiphy[i] == NULL) -- break; -- } -- -- if (i == sc->num_sec_wiphy) { -- /* No empty slot available; increase array length */ -- struct ath_wiphy **n; -- n = krealloc(sc->sec_wiphy, -- (sc->num_sec_wiphy + 1) * -- sizeof(struct ath_wiphy *), -- GFP_ATOMIC); -- if (n == NULL) { -- spin_unlock_bh(&sc->wiphy_lock); -- ieee80211_free_hw(hw); -- return -ENOMEM; -- } -- n[i] = NULL; -- sc->sec_wiphy = n; -- sc->num_sec_wiphy++; -- } -- -- SET_IEEE80211_DEV(hw, sc->dev); -- -- aphy = hw->priv; -- aphy->sc = sc; -- aphy->hw = hw; -- sc->sec_wiphy[i] = aphy; -- aphy->last_rssi = ATH_RSSI_DUMMY_MARKER; -- spin_unlock_bh(&sc->wiphy_lock); -- -- memcpy(addr, common->macaddr, ETH_ALEN); -- addr[0] |= 0x02; /* Locally managed address */ -- /* -- * XOR virtual wiphy index into the least significant bits to generate -- * a different MAC address for each virtual wiphy. -- */ -- addr[5] ^= i & 0xff; -- addr[4] ^= (i & 0xff00) >> 8; -- addr[3] ^= (i & 0xff0000) >> 16; -- -- SET_IEEE80211_PERM_ADDR(hw, addr); -- -- ath9k_set_hw_capab(sc, hw); -- -- error = ieee80211_register_hw(hw); -- -- if (error == 0) { -- /* Make sure wiphy scheduler is started (if enabled) */ -- ath9k_wiphy_set_scheduler(sc, sc->wiphy_scheduler_int); -- } -- -- return error; --} -- --int ath9k_wiphy_del(struct ath_wiphy *aphy) --{ -- struct ath_softc *sc = aphy->sc; -- int i; -- -- spin_lock_bh(&sc->wiphy_lock); -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- if (aphy == sc->sec_wiphy[i]) { -- sc->sec_wiphy[i] = NULL; -- spin_unlock_bh(&sc->wiphy_lock); -- ieee80211_unregister_hw(aphy->hw); -- ieee80211_free_hw(aphy->hw); -- return 0; -- } -- } -- spin_unlock_bh(&sc->wiphy_lock); -- return -ENOENT; --} -- --static int ath9k_send_nullfunc(struct ath_wiphy *aphy, -- struct ieee80211_vif *vif, const u8 *bssid, -- int ps) --{ -- struct ath_softc *sc = aphy->sc; -- struct ath_tx_control txctl; -- struct sk_buff *skb; -- struct ieee80211_hdr *hdr; -- __le16 fc; -- struct ieee80211_tx_info *info; -- -- skb = dev_alloc_skb(24); -- if (skb == NULL) -- return -ENOMEM; -- hdr = (struct ieee80211_hdr *) skb_put(skb, 24); -- memset(hdr, 0, 24); -- fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC | -- IEEE80211_FCTL_TODS); -- if (ps) -- fc |= cpu_to_le16(IEEE80211_FCTL_PM); -- hdr->frame_control = fc; -- memcpy(hdr->addr1, bssid, ETH_ALEN); -- memcpy(hdr->addr2, aphy->hw->wiphy->perm_addr, ETH_ALEN); -- memcpy(hdr->addr3, bssid, ETH_ALEN); -- -- info = IEEE80211_SKB_CB(skb); -- memset(info, 0, sizeof(*info)); -- info->flags = IEEE80211_TX_CTL_REQ_TX_STATUS; -- info->control.vif = vif; -- info->control.rates[0].idx = 0; -- info->control.rates[0].count = 4; -- info->control.rates[1].idx = -1; -- -- memset(&txctl, 0, sizeof(struct ath_tx_control)); -- txctl.txq = sc->tx.txq_map[WME_AC_VO]; -- txctl.frame_type = ps ? ATH9K_IFT_PAUSE : ATH9K_IFT_UNPAUSE; -- -- if (ath_tx_start(aphy->hw, skb, &txctl) != 0) -- goto exit; -- -- return 0; --exit: -- dev_kfree_skb_any(skb); -- return -1; --} -- --static bool __ath9k_wiphy_pausing(struct ath_softc *sc) --{ -- int i; -- if (sc->pri_wiphy->state == ATH_WIPHY_PAUSING) -- return true; -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- if (sc->sec_wiphy[i] && -- sc->sec_wiphy[i]->state == ATH_WIPHY_PAUSING) -- return true; -- } -- return false; --} -- --static bool ath9k_wiphy_pausing(struct ath_softc *sc) --{ -- bool ret; -- spin_lock_bh(&sc->wiphy_lock); -- ret = __ath9k_wiphy_pausing(sc); -- spin_unlock_bh(&sc->wiphy_lock); -- return ret; --} -- --static bool __ath9k_wiphy_scanning(struct ath_softc *sc) --{ -- int i; -- if (sc->pri_wiphy->state == ATH_WIPHY_SCAN) -- return true; -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- if (sc->sec_wiphy[i] && -- sc->sec_wiphy[i]->state == ATH_WIPHY_SCAN) -- return true; -- } -- return false; --} -- --bool ath9k_wiphy_scanning(struct ath_softc *sc) --{ -- bool ret; -- spin_lock_bh(&sc->wiphy_lock); -- ret = __ath9k_wiphy_scanning(sc); -- spin_unlock_bh(&sc->wiphy_lock); -- return ret; --} -- --static int __ath9k_wiphy_unpause(struct ath_wiphy *aphy); -- --/* caller must hold wiphy_lock */ --static void __ath9k_wiphy_unpause_ch(struct ath_wiphy *aphy) --{ -- if (aphy == NULL) -- return; -- if (aphy->chan_idx != aphy->sc->chan_idx) -- return; /* wiphy not on the selected channel */ -- __ath9k_wiphy_unpause(aphy); --} -- --static void ath9k_wiphy_unpause_channel(struct ath_softc *sc) --{ -- int i; -- spin_lock_bh(&sc->wiphy_lock); -- __ath9k_wiphy_unpause_ch(sc->pri_wiphy); -- for (i = 0; i < sc->num_sec_wiphy; i++) -- __ath9k_wiphy_unpause_ch(sc->sec_wiphy[i]); -- spin_unlock_bh(&sc->wiphy_lock); --} -- --void ath9k_wiphy_chan_work(struct work_struct *work) --{ -- struct ath_softc *sc = container_of(work, struct ath_softc, chan_work); -- struct ath_common *common = ath9k_hw_common(sc->sc_ah); -- struct ath_wiphy *aphy = sc->next_wiphy; -- -- if (aphy == NULL) -- return; -- -- /* -- * All pending interfaces paused; ready to change -- * channels. -- */ -- -- /* Change channels */ -- mutex_lock(&sc->mutex); -- /* XXX: remove me eventually */ -- ath9k_update_ichannel(sc, aphy->hw, -- &sc->sc_ah->channels[sc->chan_idx]); -- -- /* sync hw configuration for hw code */ -- common->hw = aphy->hw; -- -- if (ath_set_channel(sc, aphy->hw, -- &sc->sc_ah->channels[sc->chan_idx]) < 0) { -- printk(KERN_DEBUG "ath9k: Failed to set channel for new " -- "virtual wiphy\n"); -- mutex_unlock(&sc->mutex); -- return; -- } -- mutex_unlock(&sc->mutex); -- -- ath9k_wiphy_unpause_channel(sc); --} -- --/* -- * ath9k version of ieee80211_tx_status() for TX frames that are generated -- * internally in the driver. -- */ --void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, int ftype) --{ -- struct ath_wiphy *aphy = hw->priv; -- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); -- -- if (ftype == ATH9K_IFT_PAUSE && aphy->state == ATH_WIPHY_PAUSING) { -- if (!(tx_info->flags & IEEE80211_TX_STAT_ACK)) { -- printk(KERN_DEBUG "ath9k: %s: no ACK for pause " -- "frame\n", wiphy_name(hw->wiphy)); -- /* -- * The AP did not reply; ignore this to allow us to -- * continue. -- */ -- } -- aphy->state = ATH_WIPHY_PAUSED; -- if (!ath9k_wiphy_pausing(aphy->sc)) { -- /* -- * Drop from tasklet to work to allow mutex for channel -- * change. -- */ -- ieee80211_queue_work(aphy->sc->hw, -- &aphy->sc->chan_work); -- } -- } -- -- dev_kfree_skb(skb); --} -- --static void ath9k_mark_paused(struct ath_wiphy *aphy) --{ -- struct ath_softc *sc = aphy->sc; -- aphy->state = ATH_WIPHY_PAUSED; -- if (!__ath9k_wiphy_pausing(sc)) -- ieee80211_queue_work(sc->hw, &sc->chan_work); --} -- --static void ath9k_pause_iter(void *data, u8 *mac, struct ieee80211_vif *vif) --{ -- struct ath_wiphy *aphy = data; -- struct ath_vif *avp = (void *) vif->drv_priv; -- -- switch (vif->type) { -- case NL80211_IFTYPE_STATION: -- if (!vif->bss_conf.assoc) { -- ath9k_mark_paused(aphy); -- break; -- } -- /* TODO: could avoid this if already in PS mode */ -- if (ath9k_send_nullfunc(aphy, vif, avp->bssid, 1)) { -- printk(KERN_DEBUG "%s: failed to send PS nullfunc\n", -- __func__); -- ath9k_mark_paused(aphy); -- } -- break; -- case NL80211_IFTYPE_AP: -- /* Beacon transmission is paused by aphy->state change */ -- ath9k_mark_paused(aphy); -- break; -- default: -- break; -- } --} -- --/* caller must hold wiphy_lock */ --static int __ath9k_wiphy_pause(struct ath_wiphy *aphy) --{ -- ieee80211_stop_queues(aphy->hw); -- aphy->state = ATH_WIPHY_PAUSING; -- /* -- * TODO: handle PAUSING->PAUSED for the case where there are multiple -- * active vifs (now we do it on the first vif getting ready; should be -- * on the last) -- */ -- ieee80211_iterate_active_interfaces_atomic(aphy->hw, ath9k_pause_iter, -- aphy); -- return 0; --} -- --int ath9k_wiphy_pause(struct ath_wiphy *aphy) --{ -- int ret; -- spin_lock_bh(&aphy->sc->wiphy_lock); -- ret = __ath9k_wiphy_pause(aphy); -- spin_unlock_bh(&aphy->sc->wiphy_lock); -- return ret; --} -- --static void ath9k_unpause_iter(void *data, u8 *mac, struct ieee80211_vif *vif) --{ -- struct ath_wiphy *aphy = data; -- struct ath_vif *avp = (void *) vif->drv_priv; -- -- switch (vif->type) { -- case NL80211_IFTYPE_STATION: -- if (!vif->bss_conf.assoc) -- break; -- ath9k_send_nullfunc(aphy, vif, avp->bssid, 0); -- break; -- case NL80211_IFTYPE_AP: -- /* Beacon transmission is re-enabled by aphy->state change */ -- break; -- default: -- break; -- } --} -- --/* caller must hold wiphy_lock */ --static int __ath9k_wiphy_unpause(struct ath_wiphy *aphy) --{ -- ieee80211_iterate_active_interfaces_atomic(aphy->hw, -- ath9k_unpause_iter, aphy); -- aphy->state = ATH_WIPHY_ACTIVE; -- ieee80211_wake_queues(aphy->hw); -- return 0; --} -- --int ath9k_wiphy_unpause(struct ath_wiphy *aphy) --{ -- int ret; -- spin_lock_bh(&aphy->sc->wiphy_lock); -- ret = __ath9k_wiphy_unpause(aphy); -- spin_unlock_bh(&aphy->sc->wiphy_lock); -- return ret; --} -- --static void __ath9k_wiphy_mark_all_paused(struct ath_softc *sc) --{ -- int i; -- if (sc->pri_wiphy->state != ATH_WIPHY_INACTIVE) -- sc->pri_wiphy->state = ATH_WIPHY_PAUSED; -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- if (sc->sec_wiphy[i] && -- sc->sec_wiphy[i]->state != ATH_WIPHY_INACTIVE) -- sc->sec_wiphy[i]->state = ATH_WIPHY_PAUSED; -- } --} -- --/* caller must hold wiphy_lock */ --static void __ath9k_wiphy_pause_all(struct ath_softc *sc) --{ -- int i; -- if (sc->pri_wiphy->state == ATH_WIPHY_ACTIVE) -- __ath9k_wiphy_pause(sc->pri_wiphy); -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- if (sc->sec_wiphy[i] && -- sc->sec_wiphy[i]->state == ATH_WIPHY_ACTIVE) -- __ath9k_wiphy_pause(sc->sec_wiphy[i]); -- } --} -- --int ath9k_wiphy_select(struct ath_wiphy *aphy) --{ -- struct ath_softc *sc = aphy->sc; -- bool now; -- -- spin_lock_bh(&sc->wiphy_lock); -- if (__ath9k_wiphy_scanning(sc)) { -- /* -- * For now, we are using mac80211 sw scan and it expects to -- * have full control over channel changes, so avoid wiphy -- * scheduling during a scan. This could be optimized if the -- * scanning control were moved into the driver. -- */ -- spin_unlock_bh(&sc->wiphy_lock); -- return -EBUSY; -- } -- if (__ath9k_wiphy_pausing(sc)) { -- if (sc->wiphy_select_failures == 0) -- sc->wiphy_select_first_fail = jiffies; -- sc->wiphy_select_failures++; -- if (time_after(jiffies, sc->wiphy_select_first_fail + HZ / 2)) -- { -- printk(KERN_DEBUG "ath9k: Previous wiphy select timed " -- "out; disable/enable hw to recover\n"); -- __ath9k_wiphy_mark_all_paused(sc); -- /* -- * TODO: this workaround to fix hardware is unlikely to -- * be specific to virtual wiphy changes. It can happen -- * on normal channel change, too, and as such, this -- * should really be made more generic. For example, -- * tricker radio disable/enable on GTT interrupt burst -- * (say, 10 GTT interrupts received without any TX -- * frame being completed) -- */ -- spin_unlock_bh(&sc->wiphy_lock); -- ath_radio_disable(sc, aphy->hw); -- ath_radio_enable(sc, aphy->hw); -- /* Only the primary wiphy hw is used for queuing work */ -- ieee80211_queue_work(aphy->sc->hw, -- &aphy->sc->chan_work); -- return -EBUSY; /* previous select still in progress */ -- } -- spin_unlock_bh(&sc->wiphy_lock); -- return -EBUSY; /* previous select still in progress */ -- } -- sc->wiphy_select_failures = 0; -- -- /* Store the new channel */ -- sc->chan_idx = aphy->chan_idx; -- sc->chan_is_ht = aphy->chan_is_ht; -- sc->next_wiphy = aphy; -- -- __ath9k_wiphy_pause_all(sc); -- now = !__ath9k_wiphy_pausing(aphy->sc); -- spin_unlock_bh(&sc->wiphy_lock); -- -- if (now) { -- /* Ready to request channel change immediately */ -- ieee80211_queue_work(aphy->sc->hw, &aphy->sc->chan_work); -- } -- -- /* -- * wiphys will be unpaused in ath9k_tx_status() once channel has been -- * changed if any wiphy needs time to become paused. -- */ -- -- return 0; --} -- --bool ath9k_wiphy_started(struct ath_softc *sc) --{ -- int i; -- spin_lock_bh(&sc->wiphy_lock); -- if (sc->pri_wiphy->state != ATH_WIPHY_INACTIVE) { -- spin_unlock_bh(&sc->wiphy_lock); -- return true; -- } -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- if (sc->sec_wiphy[i] && -- sc->sec_wiphy[i]->state != ATH_WIPHY_INACTIVE) { -- spin_unlock_bh(&sc->wiphy_lock); -- return true; -- } -- } -- spin_unlock_bh(&sc->wiphy_lock); -- return false; --} -- --static void ath9k_wiphy_pause_chan(struct ath_wiphy *aphy, -- struct ath_wiphy *selected) --{ -- if (selected->state == ATH_WIPHY_SCAN) { -- if (aphy == selected) -- return; -- /* -- * Pause all other wiphys for the duration of the scan even if -- * they are on the current channel now. -- */ -- } else if (aphy->chan_idx == selected->chan_idx) -- return; -- aphy->state = ATH_WIPHY_PAUSED; -- ieee80211_stop_queues(aphy->hw); --} -- --void ath9k_wiphy_pause_all_forced(struct ath_softc *sc, -- struct ath_wiphy *selected) --{ -- int i; -- spin_lock_bh(&sc->wiphy_lock); -- if (sc->pri_wiphy->state == ATH_WIPHY_ACTIVE) -- ath9k_wiphy_pause_chan(sc->pri_wiphy, selected); -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- if (sc->sec_wiphy[i] && -- sc->sec_wiphy[i]->state == ATH_WIPHY_ACTIVE) -- ath9k_wiphy_pause_chan(sc->sec_wiphy[i], selected); -- } -- spin_unlock_bh(&sc->wiphy_lock); --} -- --void ath9k_wiphy_work(struct work_struct *work) --{ -- struct ath_softc *sc = container_of(work, struct ath_softc, -- wiphy_work.work); -- struct ath_wiphy *aphy = NULL; -- bool first = true; -- -- spin_lock_bh(&sc->wiphy_lock); -- -- if (sc->wiphy_scheduler_int == 0) { -- /* wiphy scheduler is disabled */ -- spin_unlock_bh(&sc->wiphy_lock); -- return; -- } -- --try_again: -- sc->wiphy_scheduler_index++; -- while (sc->wiphy_scheduler_index <= sc->num_sec_wiphy) { -- aphy = sc->sec_wiphy[sc->wiphy_scheduler_index - 1]; -- if (aphy && aphy->state != ATH_WIPHY_INACTIVE) -- break; -- -- sc->wiphy_scheduler_index++; -- aphy = NULL; -- } -- if (aphy == NULL) { -- sc->wiphy_scheduler_index = 0; -- if (sc->pri_wiphy->state == ATH_WIPHY_INACTIVE) { -- if (first) { -- first = false; -- goto try_again; -- } -- /* No wiphy is ready to be scheduled */ -- } else -- aphy = sc->pri_wiphy; -- } -- -- spin_unlock_bh(&sc->wiphy_lock); -- -- if (aphy && -- aphy->state != ATH_WIPHY_ACTIVE && aphy->state != ATH_WIPHY_SCAN && -- ath9k_wiphy_select(aphy)) { -- printk(KERN_DEBUG "ath9k: Failed to schedule virtual wiphy " -- "change\n"); -- } -- -- ieee80211_queue_delayed_work(sc->hw, -- &sc->wiphy_work, -- sc->wiphy_scheduler_int); --} -- --void ath9k_wiphy_set_scheduler(struct ath_softc *sc, unsigned int msec_int) --{ -- cancel_delayed_work_sync(&sc->wiphy_work); -- sc->wiphy_scheduler_int = msecs_to_jiffies(msec_int); -- if (sc->wiphy_scheduler_int) -- ieee80211_queue_delayed_work(sc->hw, &sc->wiphy_work, -- sc->wiphy_scheduler_int); --} -- --/* caller must hold wiphy_lock */ --bool ath9k_all_wiphys_idle(struct ath_softc *sc) --{ -- unsigned int i; -- if (!sc->pri_wiphy->idle) -- return false; -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- struct ath_wiphy *aphy = sc->sec_wiphy[i]; -- if (!aphy) -- continue; -- if (!aphy->idle) -- return false; -- } -- return true; --} -- --/* caller must hold wiphy_lock */ --void ath9k_set_wiphy_idle(struct ath_wiphy *aphy, bool idle) --{ -- struct ath_softc *sc = aphy->sc; -- -- aphy->idle = idle; -- ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG, -- "Marking %s as %sidle\n", -- wiphy_name(aphy->hw->wiphy), idle ? "" : "not-"); --} --/* Only bother starting a queue on an active virtual wiphy */ --bool ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue) --{ -- struct ieee80211_hw *hw = sc->pri_wiphy->hw; -- unsigned int i; -- bool txq_started = false; -- -- spin_lock_bh(&sc->wiphy_lock); -- -- /* Start the primary wiphy */ -- if (sc->pri_wiphy->state == ATH_WIPHY_ACTIVE) { -- ieee80211_wake_queue(hw, skb_queue); -- txq_started = true; -- goto unlock; -- } -- -- /* Now start the secondary wiphy queues */ -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- struct ath_wiphy *aphy = sc->sec_wiphy[i]; -- if (!aphy) -- continue; -- if (aphy->state != ATH_WIPHY_ACTIVE) -- continue; -- -- hw = aphy->hw; -- ieee80211_wake_queue(hw, skb_queue); -- txq_started = true; -- break; -- } -- --unlock: -- spin_unlock_bh(&sc->wiphy_lock); -- return txq_started; --} -- --/* Go ahead and propagate information to all virtual wiphys, it won't hurt */ --void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue) --{ -- struct ieee80211_hw *hw = sc->pri_wiphy->hw; -- unsigned int i; -- -- spin_lock_bh(&sc->wiphy_lock); -- -- /* Stop the primary wiphy */ -- ieee80211_stop_queue(hw, skb_queue); -- -- /* Now stop the secondary wiphy queues */ -- for (i = 0; i < sc->num_sec_wiphy; i++) { -- struct ath_wiphy *aphy = sc->sec_wiphy[i]; -- if (!aphy) -- continue; -- hw = aphy->hw; -- ieee80211_stop_queue(hw, skb_queue); -- } -- spin_unlock_bh(&sc->wiphy_lock); --} + struct ieee80211_ops ath9k_ops = { --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c -@@ -57,8 +57,9 @@ static void ath_tx_complete_buf(struct a - static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq, - struct list_head *head); - static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len); --static void ath_tx_rc_status(struct ath_buf *bf, struct ath_tx_status *ts, -- int nframes, int nbad, int txok, bool update_rc); -+static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf, -+ struct ath_tx_status *ts, int nframes, int nbad, -+ int txok, bool update_rc); - static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid, - int seqno); - -@@ -297,7 +298,6 @@ static struct ath_buf* ath_clone_txbuf(s - - ATH_TXBUF_RESET(tbf); - -- tbf->aphy = bf->aphy; - tbf->bf_mpdu = bf->bf_mpdu; - tbf->bf_buf_addr = bf->bf_buf_addr; - memcpy(tbf->bf_desc, bf->bf_desc, sc->sc_ah->caps.tx_desc_len); -@@ -345,7 +345,7 @@ static void ath_tx_complete_aggr(struct - struct ath_node *an = NULL; - struct sk_buff *skb; - struct ieee80211_sta *sta; -- struct ieee80211_hw *hw; -+ struct ieee80211_hw *hw = sc->hw; - struct ieee80211_hdr *hdr; - struct ieee80211_tx_info *tx_info; - struct ath_atx_tid *tid = NULL; -@@ -364,7 +364,6 @@ static void ath_tx_complete_aggr(struct - hdr = (struct ieee80211_hdr *)skb->data; - - tx_info = IEEE80211_SKB_CB(skb); -- hw = bf->aphy->hw; - - memcpy(rates, tx_info->control.rates, sizeof(rates)); - -@@ -383,7 +382,7 @@ static void ath_tx_complete_aggr(struct - !bf->bf_stale || bf_next != NULL) - list_move_tail(&bf->list, &bf_head); - -- ath_tx_rc_status(bf, ts, 1, 1, 0, false); -+ ath_tx_rc_status(sc, bf, ts, 1, 1, 0, false); - ath_tx_complete_buf(sc, bf, txq, &bf_head, ts, - 0, 0); - -@@ -489,10 +488,10 @@ static void ath_tx_complete_aggr(struct - - if (rc_update && (acked_cnt == 1 || txfail_cnt == 1)) { - memcpy(tx_info->control.rates, rates, sizeof(rates)); -- ath_tx_rc_status(bf, ts, nframes, nbad, txok, true); -+ ath_tx_rc_status(sc, bf, ts, nframes, nbad, txok, true); - rc_update = false; - } else { -- ath_tx_rc_status(bf, ts, nframes, nbad, txok, false); -+ ath_tx_rc_status(sc, bf, ts, nframes, nbad, txok, false); - } - - ath_tx_complete_buf(sc, bf, txq, &bf_head, ts, -@@ -516,7 +515,7 @@ static void ath_tx_complete_aggr(struct +@@ -166,7 +166,7 @@ static void ath_tx_flush_tid(struct ath_ + fi = get_frame_info(bf->bf_mpdu); + if (fi->retries) { + ath_tx_update_baw(sc, tid, fi->seqno); +- ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0); ++ ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 1); + } else { + ath_tx_send_normal(sc, txq, NULL, &bf_head); + } +@@ -1194,16 +1194,14 @@ bool ath_drain_all_txq(struct ath_softc + if (sc->sc_flags & SC_OP_INVALID) + return true; - bf->bf_state.bf_type |= - BUF_XRETRY; -- ath_tx_rc_status(bf, ts, nframes, -+ ath_tx_rc_status(sc, bf, ts, nframes, - nbad, 0, false); - ath_tx_complete_buf(sc, bf, txq, - &bf_head, -@@ -1209,8 +1208,17 @@ bool ath_drain_all_txq(struct ath_softc - ath_err(common, "Failed to stop TX DMA!\n"); +- /* Stop beacon queue */ +- ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq); ++ ath9k_hw_abort_tx_dma(ah); +- /* Stop data queues */ ++ /* Check if any queue remains active */ for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) { -- if (ATH_TXQ_SETUP(sc, i)) -- ath_draintxq(sc, &sc->tx.txq[i], retry_tx); +- if (ATH_TXQ_SETUP(sc, i)) { +- txq = &sc->tx.txq[i]; +- ath9k_hw_stoptxdma(ah, txq->axq_qnum); +- npend += ath9k_hw_numtxpending(ah, txq->axq_qnum); +- } + if (!ATH_TXQ_SETUP(sc, i)) + continue; + -+ /* -+ * The caller will resume queues with ieee80211_wake_queues. -+ * Mark the queue as not stopped to prevent ath_tx_complete -+ * from waking the queue too early. -+ */ -+ txq = &sc->tx.txq[i]; -+ txq->stopped = false; -+ ath_draintxq(sc, txq, retry_tx); - } - - return !npend; -@@ -1318,6 +1326,7 @@ static void ath_tx_txqaddbuf(struct ath_ - INIT_LIST_HEAD(&txq->txq_fifo[txq->txq_headidx]); - list_splice_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); -@@ -1325,6 +1334,7 @@ static void ath_tx_txqaddbuf(struct ath_ - 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), -@@ -1338,6 +1348,7 @@ static void ath_tx_txqaddbuf(struct ath_ - } - ath9k_hw_get_desc_link(ah, bf->bf_lastbf->bf_desc, - &txq->axq_link); -+ TX_STAT_INC(txq->axq_qnum, txstart); - ath9k_hw_txstart(ah, txq->axq_qnum); ++ npend += ath9k_hw_numtxpending(ah, sc->tx.txq[i].axq_qnum); } - txq->axq_depth++; -@@ -1434,8 +1445,7 @@ static enum ath9k_pkt_type get_hw_packet - static void setup_frame_info(struct ieee80211_hw *hw, struct sk_buff *skb, - int framelen) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); - struct ieee80211_sta *sta = tx_info->control.sta; - struct ieee80211_key_conf *hw_key = tx_info->control.hw_key; -@@ -1653,8 +1663,7 @@ static struct ath_buf *ath_tx_setup_buff - struct ath_txq *txq, - struct sk_buff *skb) - { -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - struct ath_frame_info *fi = get_frame_info(skb); -@@ -1670,7 +1679,6 @@ static struct ath_buf *ath_tx_setup_buff - ATH_TXBUF_RESET(bf); + if (npend) +@@ -2014,8 +2012,7 @@ static void ath_tx_processq(struct ath_s + spin_lock_bh(&txq->axq_lock); + if (list_empty(&txq->axq_q)) { + txq->axq_link = NULL; +- if (sc->sc_flags & SC_OP_TXAGGR && +- !txq->txq_flush_inprogress) ++ if (sc->sc_flags & SC_OP_TXAGGR) + ath_txq_schedule(sc, txq); + spin_unlock_bh(&txq->axq_lock); + break; +@@ -2096,7 +2093,7 @@ static void ath_tx_processq(struct ath_s -- bf->aphy = aphy; - bf->bf_flags = setup_tx_flags(skb); - bf->bf_mpdu = skb; + spin_lock_bh(&txq->axq_lock); -@@ -1756,8 +1764,7 @@ int ath_tx_start(struct ieee80211_hw *hw - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ieee80211_sta *sta = info->control.sta; -- struct ath_wiphy *aphy = hw->priv; -- struct ath_softc *sc = aphy->sc; -+ struct ath_softc *sc = hw->priv; - struct ath_txq *txq = txctl->txq; - struct ath_buf *bf; - int padpos, padsize; -@@ -1809,7 +1816,7 @@ int ath_tx_start(struct ieee80211_hw *hw - spin_lock_bh(&txq->axq_lock); - if (txq == sc->tx.txq_map[q] && - ++txq->pending_frames > ATH_MAX_QDEPTH && !txq->stopped) { -- ath_mac80211_stop_queue(sc, q); -+ ieee80211_stop_queue(sc->hw, q); - txq->stopped = 1; +- if (sc->sc_flags & SC_OP_TXAGGR && !txq->txq_flush_inprogress) ++ if (sc->sc_flags & SC_OP_TXAGGR) + ath_txq_schedule(sc, txq); + spin_unlock_bh(&txq->axq_lock); } - spin_unlock_bh(&txq->axq_lock); -@@ -1824,8 +1831,7 @@ int ath_tx_start(struct ieee80211_hw *hw - /*****************/ - - static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb, -- struct ath_wiphy *aphy, int tx_flags, int ftype, -- struct ath_txq *txq) -+ int tx_flags, int ftype, struct ath_txq *txq) - { - struct ieee80211_hw *hw = sc->hw; - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); -@@ -1835,9 +1841,6 @@ static void ath_tx_complete(struct ath_s - - ath_dbg(common, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb); +@@ -2267,18 +2264,17 @@ void ath_tx_edma_tasklet(struct ath_soft -- if (aphy) -- hw = aphy->hw; -- - if (tx_flags & ATH_TX_BAR) - tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK; - -@@ -1867,19 +1870,20 @@ static void ath_tx_complete(struct ath_s - PS_WAIT_FOR_TX_ACK)); - } + spin_lock_bh(&txq->axq_lock); -- if (unlikely(ftype)) -- ath9k_tx_status(hw, skb, ftype); -- else { -- q = skb_get_queue_mapping(skb); -- if (txq == sc->tx.txq_map[q]) { -- spin_lock_bh(&txq->axq_lock); -- if (WARN_ON(--txq->pending_frames < 0)) -- txq->pending_frames = 0; -- spin_unlock_bh(&txq->axq_lock); +- if (!txq->txq_flush_inprogress) { +- 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); - } -+ q = skb_get_queue_mapping(skb); -+ if (txq == sc->tx.txq_map[q]) { -+ spin_lock_bh(&txq->axq_lock); -+ if (WARN_ON(--txq->pending_frames < 0)) -+ txq->pending_frames = 0; - -- ieee80211_tx_status(hw, skb); -+ if (txq->stopped && txq->pending_frames < ATH_MAX_QDEPTH) { -+ ieee80211_wake_queue(sc->hw, q); -+ txq->stopped = 0; -+ } -+ spin_unlock_bh(&txq->axq_lock); - } ++ 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); + -+ ieee80211_tx_status(hw, skb); - } - - static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf, -@@ -1910,7 +1914,7 @@ static void ath_tx_complete_buf(struct a - complete(&sc->paprd_complete); - } else { - ath_debug_stat_tx(sc, bf, ts); -- ath_tx_complete(sc, skb, bf->aphy, tx_flags, -+ ath_tx_complete(sc, skb, tx_flags, - bf->bf_state.bfs_ftype, txq); + spin_unlock_bh(&txq->axq_lock); } - /* At this point, skb (bf->bf_mpdu) is consumed...make sure we don't -@@ -1926,14 +1930,14 @@ static void ath_tx_complete_buf(struct a - spin_unlock_irqrestore(&sc->tx.txbuflock, flags); } - --static void ath_tx_rc_status(struct ath_buf *bf, struct ath_tx_status *ts, -- int nframes, int nbad, int txok, bool update_rc) -+static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf, -+ struct ath_tx_status *ts, int nframes, int nbad, -+ int txok, bool update_rc) - { - struct sk_buff *skb = bf->bf_mpdu; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); -- struct ieee80211_hw *hw = bf->aphy->hw; -- struct ath_softc *sc = bf->aphy->sc; -+ struct ieee80211_hw *hw = sc->hw; - struct ath_hw *ah = sc->sc_ah; - u8 i, tx_rateindex; - -@@ -1984,18 +1988,6 @@ static void ath_tx_rc_status(struct ath_ - tx_info->status.rates[tx_rateindex].count = ts->ts_longretry + 1; - } - --/* Has no locking. Must hold spin_lock_bh(&txq->axq_lock) -- * before calling this. -- */ --static void __ath_wake_mac80211_queue(struct ath_softc *sc, struct ath_txq *txq) --{ -- if (txq->mac80211_qnum >= 0 && -- txq->stopped && txq->pending_frames < ATH_MAX_QDEPTH) { -- if (ath_mac80211_start_queue(sc, txq->mac80211_qnum)) -- txq->stopped = 0; -- } --} -- - static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq) - { - struct ath_hw *ah = sc->sc_ah; -@@ -2006,7 +1998,6 @@ static void ath_tx_processq(struct ath_s - struct ath_tx_status ts; - int txok; - int status; -- int qnum; - - 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), -@@ -2085,11 +2076,9 @@ static void ath_tx_processq(struct ath_s - */ - if (ts.ts_status & ATH9K_TXERR_XRETRY) - bf->bf_state.bf_type |= BUF_XRETRY; -- ath_tx_rc_status(bf, &ts, 1, txok ? 0 : 1, txok, true); -+ ath_tx_rc_status(sc, bf, &ts, 1, txok ? 0 : 1, txok, true); - } - -- qnum = skb_get_queue_mapping(bf->bf_mpdu); -- - if (bf_isampdu(bf)) - ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, txok, - true); -@@ -2097,7 +2086,6 @@ static void ath_tx_processq(struct ath_s - ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, txok, 0); - - spin_lock_bh(&txq->axq_lock); -- __ath_wake_mac80211_queue(sc, txq); - - if (sc->sc_flags & SC_OP_TXAGGR) - ath_txq_schedule(sc, txq); -@@ -2153,7 +2141,6 @@ static void ath_tx_complete_poll_work(st - txq->pending_frames, - list_empty(&txq->axq_acq), - txq->stopped); -- __ath_wake_mac80211_queue(sc, txq); - ath_txq_schedule(sc, txq); - } - } -@@ -2195,7 +2182,6 @@ void ath_tx_edma_tasklet(struct ath_soft - struct list_head bf_head; - int status; - int txok; -- int qnum; - - for (;;) { - status = ath9k_hw_txprocdesc(ah, NULL, (void *)&txs); -@@ -2238,11 +2224,9 @@ void ath_tx_edma_tasklet(struct ath_soft - if (!bf_isampdu(bf)) { - if (txs.ts_status & ATH9K_TXERR_XRETRY) - bf->bf_state.bf_type |= BUF_XRETRY; -- ath_tx_rc_status(bf, &txs, 1, txok ? 0 : 1, txok, true); -+ ath_tx_rc_status(sc, bf, &txs, 1, txok ? 0 : 1, txok, true); - } - -- qnum = skb_get_queue_mapping(bf->bf_mpdu); -- - if (bf_isampdu(bf)) - ath_tx_complete_aggr(sc, txq, bf, &bf_head, &txs, - txok, true); -@@ -2251,7 +2235,6 @@ void ath_tx_edma_tasklet(struct ath_soft - &txs, txok, 0); - - spin_lock_bh(&txq->axq_lock); -- __ath_wake_mac80211_queue(sc, txq); - - if (!list_empty(&txq->txq_fifo_pending)) { - INIT_LIST_HEAD(&bf_head); ---- a/drivers/net/wireless/ath/ath9k/mac.c -+++ b/drivers/net/wireless/ath/ath9k/mac.c -@@ -16,8 +16,6 @@ - - #include "hw.h" - #include "hw-ops.h" --#include "debug.h" --#include "ath9k.h" - - static void ath9k_hw_set_txq_interrupts(struct ath_hw *ah, - struct ath9k_tx_queue_info *qi) -@@ -52,18 +50,12 @@ EXPORT_SYMBOL(ath9k_hw_gettxbuf); - - void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp) - { -- struct ath_wiphy *aphy = ah->hw->priv; -- struct ath_softc *sc = aphy->sc; -- TX_STAT_INC(q, puttxbuf); - REG_WRITE(ah, AR_QTXDP(q), txdp); - } - EXPORT_SYMBOL(ath9k_hw_puttxbuf); - - void ath9k_hw_txstart(struct ath_hw *ah, u32 q) - { -- struct ath_wiphy *aphy = ah->hw->priv; -- struct ath_softc *sc = aphy->sc; -- TX_STAT_INC(q, txstart); - ath_dbg(ath9k_hw_common(ah), ATH_DBG_QUEUE, - "Enable TXE on queue: %u\n", q); - REG_WRITE(ah, AR_Q_TXE, 1 << q); +--- a/net/mac80211/chan.c ++++ b/net/mac80211/chan.c +@@ -77,6 +77,9 @@ bool ieee80211_set_channel_type(struct i + switch (tmp->vif.bss_conf.channel_type) { + case NL80211_CHAN_NO_HT: + case NL80211_CHAN_HT20: ++ if (superchan > tmp->vif.bss_conf.channel_type) ++ break; ++ + superchan = tmp->vif.bss_conf.channel_type; + break; + case NL80211_CHAN_HT40PLUS: