diff options
Diffstat (limited to 'package/mac80211/patches/300-pending_work.patch')
| -rw-r--r-- | package/mac80211/patches/300-pending_work.patch | 1204 |
1 files changed, 39 insertions, 1165 deletions
diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index eb09e03e1c..83edd7e6b4 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -1,537 +1,9 @@ ---- 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 -@@ -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 ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw) --{ -- 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); --} -- --void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw) --{ -- struct ath_hw *ah = sc->sc_ah; -- struct ieee80211_channel *channel = hw->conf.channel; -- int r; -- -- ath9k_ps_wakeup(sc); -- -- ath_cancel_work(sc); -- -- 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 int ath_reset(struct ath_softc *sc, bool retry_tx) - { - 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 (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); - - if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) && -@@ -1183,6 +1126,13 @@ static void ath9k_tx(struct ieee80211_hw - } - } - -+ /* -+ * 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; - - mutex_lock(&sc->mutex); - -@@ -1259,35 +1210,45 @@ static void ath9k_stop(struct ieee80211_ - * before setting the invalid flag. */ - ath9k_hw_disable_interrupts(ah); - -- 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; - } - -- /* disable HAL and put h/w to sleep */ -- ath9k_hw_disable(ah); -+ if (!ah->curchan) -+ ah->curchan = ath9k_cmn_get_curchannel(hw, ah); - -- spin_unlock_bh(&sc->sc_pcu_lock); -+ ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); -+ ath9k_hw_phy_disable(ah); - -- /* 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); - -- ath9k_ps_restore(sc); -+ spin_unlock_bh(&sc->sc_pcu_lock); - -- sc->ps_idle = true; -- ath_radio_disable(sc, hw); -+ ath9k_ps_restore(sc); - - sc->sc_flags |= SC_OP_INVALID; -+ sc->ps_idle = prev_idle; - - mutex_unlock(&sc->mutex); - -@@ -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; - -+ 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 { -- disable_radio = true; -- } -+ if (sc->ps_idle) -+ ath_cancel_work(sc); - } - - /* -@@ -1678,7 +1634,6 @@ static int ath9k_config(struct ieee80211 - - if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { - struct ieee80211_channel *curchan = hw->conf.channel; -- struct ath9k_channel old_chan; - int pos = curchan->hw_value; - int old_pos = -1; - unsigned long flags; -@@ -1704,11 +1659,8 @@ static int ath9k_config(struct ieee80211 - * Preserve the current channel values, before updating - * the same channel - */ -- if (old_pos == pos) { -- memcpy(&old_chan, &sc->sc_ah->channels[pos], -- sizeof(struct ath9k_channel)); -- ah->curchan = &old_chan; -- } -+ if (ah->curchan && (old_pos == pos)) -+ ath9k_hw_getnf(ah, ah->curchan); - - ath9k_cmn_update_ichannel(&sc->sc_ah->channels[pos], - curchan, conf->channel_type); -@@ -1752,18 +1704,12 @@ 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); - } - - mutex_unlock(&sc->mutex); -+ ath9k_ps_restore(sc); - - return 0; - } -@@ -2331,9 +2277,6 @@ static void ath9k_flush(struct ieee80211 - return; - } - -- if (drop) -- timeout = 1; -- - for (j = 0; j < timeout; j++) { - bool npend = false; - -@@ -2351,21 +2294,22 @@ static void ath9k_flush(struct ieee80211 - } - - if (!npend) -- goto out; -+ break; - } - -- 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); -+ } - --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; - -- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1); -- - /* 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); -- -- /* -- * 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; - } - ---- 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); - } - -- 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); - -+/* -+ * 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. */ - - /* wiphy_printk helpers, similar to dev_printk */ --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c -@@ -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) +@@ -187,6 +187,8 @@ static void ieee80211_send_addba_resp(st 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_ADHOC) + memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); + else if (sdata->vif.type == NL80211_IFTYPE_WDS) + memcpy(mgmt->bssid, da, ETH_ALEN); @@ -539,16 +11,7 @@ IEEE80211_STYPE_ACTION); --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c -@@ -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 +@@ -81,7 +81,8 @@ 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 || @@ -558,186 +21,22 @@ 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); -@@ -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 && +@@ -471,6 +472,7 @@ int ieee80211_start_tx_ba_session(struct 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_AP && + sdata->vif.type != NL80211_IFTYPE_WDS && -+ sdata->vif.type != NL80211_IFTYPE_ADHOC) - return -EINVAL; - - if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) { -@@ -448,6 +483,27 @@ int ieee80211_start_tx_ba_session(struct + sdata->vif.type != NL80211_IFTYPE_ADHOC) 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 @@ -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", +- "%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%s%s%s%s%s%s", TEST(AUTH), TEST(ASSOC), TEST(PS_STA), TEST(PS_DRIVER), TEST(AUTHORIZED), TEST(SHORT_PREAMBLE), @@ -745,219 +44,7 @@ + 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 */ + TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT), --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_ @@ -968,7 +55,7 @@ u32 changed = 0; int res; u32 hw_reconf_flags = 0; -@@ -309,27 +308,6 @@ static int ieee80211_do_open(struct net_ +@@ -309,28 +308,6 @@ static int ieee80211_do_open(struct net_ set_bit(SDATA_STATE_RUNNING, &sdata->state); @@ -981,8 +68,9 @@ - goto err_del_interface; - } - -- /* no atomic bitop required since STA is not live yet */ -- set_sta_flag(sta, WLAN_STA_AUTHORIZED); +- sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); +- sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); +- sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED); - - res = sta_info_insert(sta); - if (res) { @@ -996,7 +84,7 @@ /* * set_multicast_list will be invoked by the networking core * which will check whether any increments here were done in -@@ -356,8 +334,7 @@ static int ieee80211_do_open(struct net_ +@@ -357,8 +334,7 @@ static int ieee80211_do_open(struct net_ netif_tx_start_all_queues(dev); return 0; @@ -1006,7 +94,7 @@ err_stop: if (!local->open_count) drv_stop(local); -@@ -719,6 +696,70 @@ static void ieee80211_if_setup(struct ne +@@ -720,6 +696,70 @@ static void ieee80211_if_setup(struct ne dev->destructor = free_netdev; } @@ -1077,7 +165,7 @@ static void ieee80211_iface_work(struct work_struct *work) { struct ieee80211_sub_if_data *sdata = -@@ -823,6 +864,9 @@ static void ieee80211_iface_work(struct +@@ -824,6 +864,9 @@ static void ieee80211_iface_work(struct break; ieee80211_mesh_rx_queued_mgmt(sdata, skb); break; @@ -1087,32 +175,17 @@ 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 -@@ -2237,7 +2237,9 @@ ieee80211_rx_h_action(struct ieee80211_r - if (sdata->vif.type != NL80211_IFTYPE_STATION && +@@ -2281,6 +2281,7 @@ ieee80211_rx_h_action(struct ieee80211_r 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_AP && + sdata->vif.type != NL80211_IFTYPE_WDS && -+ sdata->vif.type != NL80211_IFTYPE_ADHOC) + sdata->vif.type != NL80211_IFTYPE_ADHOC) break; - /* verify action_code is present */ -@@ -2452,13 +2454,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_ +@@ -2491,14 +2492,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_ if (!ieee80211_vif_is_mesh(&sdata->vif) && sdata->vif.type != NL80211_IFTYPE_ADHOC && @@ -1122,33 +195,15 @@ return RX_DROP_MONITOR; switch (stype) { + case cpu_to_le16(IEEE80211_STYPE_AUTH): case cpu_to_le16(IEEE80211_STYPE_BEACON): case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP): - /* process for all: mesh, mlme, ibss */ + /* process for all: mesh, mlme, ibss, wds */ break; - case cpu_to_le16(IEEE80211_STYPE_DEAUTH): - case cpu_to_le16(IEEE80211_STYPE_DISASSOC): -@@ -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; + case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP): + case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP): +@@ -2852,10 +2854,16 @@ static int prepare_for_handlers(struct i } break; case NL80211_IFTYPE_WDS: @@ -1167,6 +222,19 @@ break; default: /* should never get here */ +--- a/net/mac80211/sta_info.c ++++ b/net/mac80211/sta_info.c +@@ -1379,8 +1379,10 @@ int sta_info_move_state(struct sta_info + return -EINVAL; + } + ++#ifdef CONFIG_MAC80211_VERBOSE_DEBUG + printk(KERN_DEBUG "%s: moving STA %pM to state %d\n", + sta->sdata->name, sta->sta.addr, new_state); ++#endif + + /* + * notify the driver before the actual changes so it can --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -31,7 +31,6 @@ @@ -1177,7 +245,7 @@ * @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. -@@ -60,7 +59,6 @@ enum ieee80211_sta_info_flags { +@@ -62,7 +61,6 @@ enum ieee80211_sta_info_flags { WLAN_STA_AUTHORIZED, WLAN_STA_SHORT_PREAMBLE, WLAN_STA_WME, @@ -1185,197 +253,3 @@ 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 <johannes@sipsolutions.net> - */ - -+#include <linux/export.h> - #include <net/cfg80211.h> - #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]); - } - -- 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; ---- a/drivers/net/wireless/ath/ath9k/calib.c -+++ b/drivers/net/wireless/ath/ath9k/calib.c -@@ -402,6 +402,7 @@ bool ath9k_hw_getnf(struct ath_hw *ah, s - ah->noise = ath9k_hw_getchan_noise(ah, chan); - return true; - } -+EXPORT_SYMBOL(ath9k_hw_getnf); - - void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah, - struct ath9k_channel *chan) |