X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/1287da4459ae59d659063990d1e0afc42e58d7ea..dcf5cd5fc2fb73b8aa46afda5fef7ded9727b418:/package/mac80211/patches/300-pending_work.patch diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index 7e3160a1d..1b7f41b19 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -1,68 +1,941 @@ +--- 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); + } + + /* +@@ -1752,18 +1708,12 @@ static int ath9k_config(struct ieee80211 + ath_dbg(common, ATH_DBG_CONFIG, + "Set power: %d\n", conf->power_level); + sc->config.txpowlimit = 2 * conf->power_level; +- ath9k_ps_wakeup(sc); + ath9k_cmn_update_txpow(ah, sc->curtxpow, + sc->config.txpowlimit, &sc->curtxpow); +- ath9k_ps_restore(sc); +- } +- +- if (disable_radio) { +- ath_dbg(common, ATH_DBG_CONFIG, "idle: disabling radio\n"); +- ath_radio_disable(sc, hw); + } + + mutex_unlock(&sc->mutex); ++ ath9k_ps_restore(sc); + + return 0; + } +@@ -2331,9 +2281,6 @@ static void ath9k_flush(struct ieee80211 + return; + } + +- if (drop) +- timeout = 1; +- + for (j = 0; j < timeout; j++) { + bool npend = false; + +@@ -2351,21 +2298,22 @@ 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 -@@ -176,6 +176,8 @@ static void ieee80211_send_addba_resp(st +@@ -185,6 +185,10 @@ static void ieee80211_send_addba_resp(st memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); else if (sdata->vif.type == NL80211_IFTYPE_STATION) memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); ++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) ++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); + else if (sdata->vif.type == NL80211_IFTYPE_WDS) + memcpy(mgmt->bssid, da, ETH_ALEN); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); -@@ -262,7 +264,11 @@ void ieee80211_process_addba_request(str - "%pM on tid %u\n", - mgmt->sa, tid); - #endif /* CONFIG_MAC80211_HT_DEBUG */ -- goto end; -+ -+ /* delete existing Rx BA session on the same tid */ -+ ___ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT, -+ WLAN_STATUS_UNSPECIFIED_QOS, -+ false); - } - - /* prepare A-MPDU MLME for Rx aggregation */ --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c -@@ -79,7 +79,8 @@ static void ieee80211_send_addba_request - memcpy(mgmt->da, da, ETH_ALEN); +@@ -55,6 +55,8 @@ + * @ampdu_action function will be called with the action + * %IEEE80211_AMPDU_TX_STOP. In this case, the call must not fail, + * and the driver must later call ieee80211_stop_tx_ba_cb_irqsafe(). ++ * Note that the sta can get destroyed before the BA tear down is ++ * complete. + */ + + static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata, +@@ -79,10 +81,13 @@ static void ieee80211_send_addba_request memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); if (sdata->vif.type == NL80211_IFTYPE_AP || -- sdata->vif.type == NL80211_IFTYPE_AP_VLAN) -+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN || + sdata->vif.type == NL80211_IFTYPE_AP_VLAN || +- sdata->vif.type == NL80211_IFTYPE_MESH_POINT) ++ sdata->vif.type == NL80211_IFTYPE_MESH_POINT || + sdata->vif.type == NL80211_IFTYPE_WDS) memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); else if (sdata->vif.type == NL80211_IFTYPE_STATION) memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); -@@ -398,7 +399,8 @@ int ieee80211_start_tx_ba_session(struct ++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) ++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); + + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); +@@ -319,6 +324,38 @@ ieee80211_wake_queue_agg(struct ieee8021 + __release(agg_queue); + } + ++/* ++ * splice packets from the STA's pending to the local pending, ++ * requires a call to ieee80211_agg_splice_finish later ++ */ ++static void __acquires(agg_queue) ++ieee80211_agg_splice_packets(struct ieee80211_local *local, ++ struct tid_ampdu_tx *tid_tx, u16 tid) ++{ ++ int queue = ieee80211_ac_from_tid(tid); ++ unsigned long flags; ++ ++ ieee80211_stop_queue_agg(local, tid); ++ ++ if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates" ++ " from the pending queue\n", tid)) ++ return; ++ ++ if (!skb_queue_empty(&tid_tx->pending)) { ++ spin_lock_irqsave(&local->queue_stop_reason_lock, flags); ++ /* copy over remaining packets */ ++ skb_queue_splice_tail_init(&tid_tx->pending, ++ &local->pending[queue]); ++ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); ++ } ++} ++ ++static void __releases(agg_queue) ++ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid) ++{ ++ ieee80211_wake_queue_agg(local, tid); ++} ++ + void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) + { + struct tid_ampdu_tx *tid_tx; +@@ -330,19 +367,17 @@ void ieee80211_tx_ba_session_handle_star + tid_tx = rcu_dereference_protected_tid_tx(sta, tid); + + /* +- * While we're asking the driver about the aggregation, +- * stop the AC queue so that we don't have to worry +- * about frames that came in while we were doing that, +- * which would require us to put them to the AC pending +- * afterwards which just makes the code more complex. ++ * Start queuing up packets for this aggregation session. ++ * We're going to release them once the driver is OK with ++ * that. */ +- ieee80211_stop_queue_agg(local, tid); +- + clear_bit(HT_AGG_STATE_WANT_START, &tid_tx->state); + + /* +- * make sure no packets are being processed to get +- * valid starting sequence number ++ * Make sure no packets are being processed. This ensures that ++ * we have a valid starting sequence number and that in-flight ++ * packets have been flushed out and no packets for this TID ++ * will go into the driver during the ampdu_action call. + */ + synchronize_net(); + +@@ -356,10 +391,11 @@ void ieee80211_tx_ba_session_handle_star + " tid %d\n", tid); + #endif + spin_lock_bh(&sta->lock); ++ ieee80211_agg_splice_packets(local, tid_tx, tid); + ieee80211_assign_tid_tx(sta, tid, NULL); ++ ieee80211_agg_splice_finish(local, tid); + spin_unlock_bh(&sta->lock); + +- ieee80211_wake_queue_agg(local, tid); + #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,40)) + kfree_rcu(tid_tx, rcu_head); + #else +@@ -368,9 +404,6 @@ void ieee80211_tx_ba_session_handle_star + return; + } + +- /* we can take packets again now */ +- ieee80211_wake_queue_agg(local, tid); +- + /* activate the timer for the recipient's addBA response */ + mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL); + #ifdef CONFIG_MAC80211_HT_DEBUG +@@ -437,7 +470,9 @@ int ieee80211_start_tx_ba_session(struct if (sdata->vif.type != NL80211_IFTYPE_STATION && + sdata->vif.type != NL80211_IFTYPE_MESH_POINT && sdata->vif.type != NL80211_IFTYPE_AP_VLAN && - sdata->vif.type != NL80211_IFTYPE_AP) + sdata->vif.type != NL80211_IFTYPE_AP && -+ sdata->vif.type != NL80211_IFTYPE_WDS) ++ sdata->vif.type != NL80211_IFTYPE_WDS && ++ sdata->vif.type != NL80211_IFTYPE_ADHOC) + return -EINVAL; + + if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) { +@@ -448,6 +483,27 @@ int ieee80211_start_tx_ba_session(struct return -EINVAL; + } + ++ /* ++ * 802.11n-2009 11.5.1.1: If the initiating STA is an HT STA, is a ++ * member of an IBSS, and has no other existing Block Ack agreement ++ * with the recipient STA, then the initiating STA shall transmit a ++ * Probe Request frame to the recipient STA and shall not transmit an ++ * ADDBA Request frame unless it receives a Probe Response frame ++ * from the recipient within dot11ADDBAFailureTimeout. ++ * ++ * The probe request mechanism for ADDBA is currently not implemented, ++ * but we only build up Block Ack session with HT STAs. This information ++ * is set when we receive a bss info from a probe response or a beacon. ++ */ ++ if (sta->sdata->vif.type == NL80211_IFTYPE_ADHOC && ++ !sta->sta.ht_cap.ht_supported) { ++#ifdef CONFIG_MAC80211_HT_DEBUG ++ printk(KERN_DEBUG "BA request denied - IBSS STA %pM" ++ "does not advertise HT support\n", pubsta->addr); ++#endif /* CONFIG_MAC80211_HT_DEBUG */ ++ return -EINVAL; ++ } ++ + spin_lock_bh(&sta->lock); - if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) { + /* we have tried too many times, receiver does not want A-MPDU */ +@@ -508,38 +564,6 @@ int ieee80211_start_tx_ba_session(struct + } + EXPORT_SYMBOL(ieee80211_start_tx_ba_session); + +-/* +- * splice packets from the STA's pending to the local pending, +- * requires a call to ieee80211_agg_splice_finish later +- */ +-static void __acquires(agg_queue) +-ieee80211_agg_splice_packets(struct ieee80211_local *local, +- struct tid_ampdu_tx *tid_tx, u16 tid) +-{ +- int queue = ieee80211_ac_from_tid(tid); +- unsigned long flags; +- +- ieee80211_stop_queue_agg(local, tid); +- +- if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates" +- " from the pending queue\n", tid)) +- return; +- +- if (!skb_queue_empty(&tid_tx->pending)) { +- spin_lock_irqsave(&local->queue_stop_reason_lock, flags); +- /* copy over remaining packets */ +- skb_queue_splice_tail_init(&tid_tx->pending, +- &local->pending[queue]); +- spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); +- } +-} +- +-static void __releases(agg_queue) +-ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid) +-{ +- ieee80211_wake_queue_agg(local, tid); +-} +- + static void ieee80211_agg_tx_operational(struct ieee80211_local *local, + struct sta_info *sta, u16 tid) + { --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c -@@ -59,7 +59,7 @@ static ssize_t sta_flags_read(struct fil - char buf[100]; - struct sta_info *sta = file->private_data; - u32 staflags = get_sta_flags(sta); -- int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s", -+ int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s", - staflags & WLAN_STA_AUTH ? "AUTH\n" : "", - staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "", - staflags & WLAN_STA_PS_STA ? "PS (sta)\n" : "", -@@ -67,7 +67,6 @@ static ssize_t sta_flags_read(struct fil - staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "", - staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "", - staflags & WLAN_STA_WME ? "WME\n" : "", -- staflags & WLAN_STA_WDS ? "WDS\n" : "", - staflags & WLAN_STA_MFP ? "MFP\n" : ""); - return simple_read_from_buffer(userbuf, count, ppos, buf, res); - } +@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil + test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : "" + + int res = scnprintf(buf, sizeof(buf), +- "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", ++ "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", + TEST(AUTH), TEST(ASSOC), TEST(PS_STA), + TEST(PS_DRIVER), TEST(AUTHORIZED), + TEST(SHORT_PREAMBLE), +- TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT), ++ TEST(WME), TEST(CLEAR_PS_FILT), + TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL), + TEST(UAPSD), TEST(SP), TEST(TDLS_PEER), + TEST(TDLS_PEER_AUTH)); +--- a/net/mac80211/ht.c ++++ b/net/mac80211/ht.c +@@ -47,7 +47,9 @@ void ieee80211_apply_htcap_overrides(str + int i; + + if (sdata->vif.type != NL80211_IFTYPE_STATION) { +- WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION); ++ /* AP interfaces call this code when adding new stations, ++ * so just silently ignore non station interfaces. ++ */ + return; + } + +@@ -282,6 +284,8 @@ void ieee80211_send_delba(struct ieee802 + memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); + else if (sdata->vif.type == NL80211_IFTYPE_STATION) + memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); ++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) ++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); + + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); +--- a/net/mac80211/ibss.c ++++ b/net/mac80211/ibss.c +@@ -77,6 +77,7 @@ static void __ieee80211_sta_join_ibss(st + struct cfg80211_bss *bss; + u32 bss_change; + u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; ++ enum nl80211_channel_type channel_type; + + lockdep_assert_held(&ifibss->mtx); + +@@ -105,8 +106,16 @@ static void __ieee80211_sta_join_ibss(st + + sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0; + +- local->oper_channel = chan; +- WARN_ON(!ieee80211_set_channel_type(local, sdata, NL80211_CHAN_NO_HT)); ++ channel_type = ifibss->channel_type; ++ if (channel_type > NL80211_CHAN_HT20 && ++ !cfg80211_can_beacon_sec_chan(local->hw.wiphy, chan, channel_type)) ++ channel_type = NL80211_CHAN_HT20; ++ if (!ieee80211_set_channel_type(local, sdata, channel_type)) { ++ /* can only fail due to HT40+/- mismatch */ ++ channel_type = NL80211_CHAN_HT20; ++ WARN_ON(!ieee80211_set_channel_type(local, sdata, ++ NL80211_CHAN_HT20)); ++ } + ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); + + sband = local->hw.wiphy->bands[chan->band]; +@@ -172,6 +181,19 @@ static void __ieee80211_sta_join_ibss(st + memcpy(skb_put(skb, ifibss->ie_len), + ifibss->ie, ifibss->ie_len); + ++ /* add HT capability and information IEs */ ++ if (channel_type && sband->ht_cap.ht_supported) { ++ pos = skb_put(skb, 4 + ++ sizeof(struct ieee80211_ht_cap) + ++ sizeof(struct ieee80211_ht_info)); ++ pos = ieee80211_ie_build_ht_cap(pos, &sband->ht_cap, ++ sband->ht_cap.cap); ++ pos = ieee80211_ie_build_ht_info(pos, ++ &sband->ht_cap, ++ chan, ++ channel_type); ++ } ++ + if (local->hw.queues >= 4) { + pos = skb_put(skb, 9); + *pos++ = WLAN_EID_VENDOR_SPECIFIC; +@@ -195,6 +217,7 @@ static void __ieee80211_sta_join_ibss(st + bss_change |= BSS_CHANGED_BEACON; + bss_change |= BSS_CHANGED_BEACON_ENABLED; + bss_change |= BSS_CHANGED_BASIC_RATES; ++ bss_change |= BSS_CHANGED_HT; + bss_change |= BSS_CHANGED_IBSS; + sdata->vif.bss_conf.ibss_joined = true; + ieee80211_bss_info_change_notify(sdata, bss_change); +@@ -268,6 +291,8 @@ static void ieee80211_rx_bss_info(struct + u64 beacon_timestamp, rx_timestamp; + u32 supp_rates = 0; + enum ieee80211_band band = rx_status->band; ++ struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band]; ++ bool rates_updated = false; + + if (elems->ds_params && elems->ds_params_len == 1) + freq = ieee80211_channel_to_frequency(elems->ds_params[0], +@@ -307,7 +332,7 @@ static void ieee80211_rx_bss_info(struct + prev_rates, + sta->sta.supp_rates[band]); + #endif +- rate_control_rate_init(sta); ++ rates_updated = true; + } + } else + sta = ieee80211_ibss_add_sta(sdata, mgmt->bssid, +@@ -318,6 +343,39 @@ static void ieee80211_rx_bss_info(struct + if (sta && elems->wmm_info) + set_sta_flag(sta, WLAN_STA_WME); + ++ if (sta && elems->ht_info_elem && elems->ht_cap_elem && ++ sdata->u.ibss.channel_type != NL80211_CHAN_NO_HT) { ++ /* we both use HT */ ++ struct ieee80211_sta_ht_cap sta_ht_cap_new; ++ enum nl80211_channel_type channel_type = ++ ieee80211_ht_info_to_channel_type( ++ elems->ht_info_elem); ++ ++ ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, ++ elems->ht_cap_elem, ++ &sta_ht_cap_new); ++ ++ /* ++ * fall back to HT20 if we don't use or use ++ * the other extension channel ++ */ ++ if ((channel_type == NL80211_CHAN_HT40MINUS || ++ channel_type == NL80211_CHAN_HT40PLUS) && ++ channel_type != sdata->u.ibss.channel_type) ++ sta_ht_cap_new.cap &= ++ ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; ++ ++ if (memcmp(&sta->sta.ht_cap, &sta_ht_cap_new, ++ sizeof(sta_ht_cap_new))) { ++ memcpy(&sta->sta.ht_cap, &sta_ht_cap_new, ++ sizeof(sta_ht_cap_new)); ++ rates_updated = true; ++ } ++ } ++ ++ if (sta && rates_updated) ++ rate_control_rate_init(sta); ++ + rcu_read_unlock(); + } + +@@ -896,12 +954,18 @@ int ieee80211_ibss_join(struct ieee80211 + struct cfg80211_ibss_params *params) + { + struct sk_buff *skb; ++ u32 changed = 0; + + skb = dev_alloc_skb(sdata->local->hw.extra_tx_headroom + +- 36 /* bitrates */ + +- 34 /* SSID */ + +- 3 /* DS params */ + +- 4 /* IBSS params */ + ++ sizeof(struct ieee80211_hdr_3addr) + ++ 12 /* struct ieee80211_mgmt.u.beacon */ + ++ 2 + IEEE80211_MAX_SSID_LEN /* max SSID */ + ++ 2 + 8 /* max Supported Rates */ + ++ 3 /* max DS params */ + ++ 4 /* IBSS params */ + ++ 2 + (IEEE80211_MAX_SUPP_RATES - 8) + ++ 2 + sizeof(struct ieee80211_ht_cap) + ++ 2 + sizeof(struct ieee80211_ht_info) + + params->ie_len); + if (!skb) + return -ENOMEM; +@@ -922,13 +986,15 @@ int ieee80211_ibss_join(struct ieee80211 + sdata->vif.bss_conf.beacon_int = params->beacon_interval; + + sdata->u.ibss.channel = params->channel; ++ sdata->u.ibss.channel_type = params->channel_type; + sdata->u.ibss.fixed_channel = params->channel_fixed; + + /* fix ourselves to that channel now already */ + if (params->channel_fixed) { + sdata->local->oper_channel = params->channel; +- WARN_ON(!ieee80211_set_channel_type(sdata->local, sdata, +- NL80211_CHAN_NO_HT)); ++ if (!ieee80211_set_channel_type(sdata->local, sdata, ++ params->channel_type)) ++ return -EINVAL; + } + + if (params->ie) { +@@ -951,6 +1017,23 @@ int ieee80211_ibss_join(struct ieee80211 + ieee80211_recalc_idle(sdata->local); + mutex_unlock(&sdata->local->mtx); + ++ /* ++ * 802.11n-2009 9.13.3.1: In an IBSS, the HT Protection field is ++ * reserved, but an HT STA shall protect HT transmissions as though ++ * the HT Protection field were set to non-HT mixed mode. ++ * ++ * In an IBSS, the RIFS Mode field of the HT Operation element is ++ * also reserved, but an HT STA shall operate as though this field ++ * were set to 1. ++ */ ++ ++ sdata->vif.bss_conf.ht_operation_mode |= ++ IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED ++ | IEEE80211_HT_PARAM_RIFS_MODE; ++ ++ changed |= BSS_CHANGED_HT; ++ ieee80211_bss_info_change_notify(sdata, changed); ++ + ieee80211_queue_work(&sdata->local->hw, &sdata->work); + + return 0; +--- a/net/mac80211/ieee80211_i.h ++++ b/net/mac80211/ieee80211_i.h +@@ -474,6 +474,7 @@ struct ieee80211_if_ibss { + u8 ssid_len, ie_len; + u8 *ie; + struct ieee80211_channel *channel; ++ enum nl80211_channel_type channel_type; + + unsigned long ibss_join_req; + /* probe response/beacon for IBSS */ --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_ @@ -73,7 +946,7 @@ u32 changed = 0; int res; u32 hw_reconf_flags = 0; -@@ -290,27 +289,6 @@ static int ieee80211_do_open(struct net_ +@@ -309,27 +308,6 @@ static int ieee80211_do_open(struct net_ set_bit(SDATA_STATE_RUNNING, &sdata->state); @@ -86,8 +959,8 @@ - goto err_del_interface; - } - -- /* no locking required since STA is not live yet */ -- sta->flags |= WLAN_STA_AUTHORIZED; +- /* no atomic bitop required since STA is not live yet */ +- set_sta_flag(sta, WLAN_STA_AUTHORIZED); - - res = sta_info_insert(sta); - if (res) { @@ -101,17 +974,17 @@ /* * set_multicast_list will be invoked by the networking core * which will check whether any increments here were done in -@@ -344,8 +322,7 @@ static int ieee80211_do_open(struct net_ +@@ -356,8 +334,7 @@ static int ieee80211_do_open(struct net_ netif_tx_start_all_queues(dev); return 0; - err_del_interface: -- drv_remove_interface(local, &sdata->vif); +- drv_remove_interface(local, sdata); + err_stop: if (!local->open_count) drv_stop(local); -@@ -718,6 +695,70 @@ static void ieee80211_if_setup(struct ne +@@ -719,6 +696,70 @@ static void ieee80211_if_setup(struct ne dev->destructor = free_netdev; } @@ -164,14 +1037,14 @@ + sta->sta.supp_rates[local->hw.conf.channel->band] = rates; + + if (elems.ht_cap_elem) -+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband, ++ ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, + elems.ht_cap_elem, &sta->sta.ht_cap); + + if (elems.wmm_param) -+ set_sta_flags(sta, WLAN_STA_WME); ++ set_sta_flag(sta, WLAN_STA_WME); + + if (new) { -+ sta->flags = WLAN_STA_AUTHORIZED; ++ set_sta_flag(sta, WLAN_STA_AUTHORIZED); + rate_control_rate_init(sta); + sta_info_insert_rcu(sta); + } @@ -182,7 +1055,7 @@ static void ieee80211_iface_work(struct work_struct *work) { struct ieee80211_sub_if_data *sdata = -@@ -822,6 +863,9 @@ static void ieee80211_iface_work(struct +@@ -823,6 +864,9 @@ static void ieee80211_iface_work(struct break; ieee80211_mesh_rx_queued_mgmt(sdata, skb); break; @@ -192,19 +1065,32 @@ default: WARN(1, "frame for unexpected interface type"); break; +--- a/net/mac80211/main.c ++++ b/net/mac80211/main.c +@@ -574,7 +574,8 @@ struct ieee80211_hw *ieee80211_alloc_hw( + WIPHY_FLAG_OFFCHAN_TX | + WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; + +- wiphy->features = NL80211_FEATURE_SK_TX_STATUS; ++ wiphy->features = NL80211_FEATURE_SK_TX_STATUS | ++ NL80211_FEATURE_HT_IBSS; + + if (!ops->set_key) + wiphy->flags |= WIPHY_FLAG_IBSS_RSN; --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c -@@ -2137,7 +2137,8 @@ ieee80211_rx_h_action(struct ieee80211_r - */ +@@ -2237,7 +2237,9 @@ ieee80211_rx_h_action(struct ieee80211_r if (sdata->vif.type != NL80211_IFTYPE_STATION && + sdata->vif.type != NL80211_IFTYPE_MESH_POINT && sdata->vif.type != NL80211_IFTYPE_AP_VLAN && - sdata->vif.type != NL80211_IFTYPE_AP) + sdata->vif.type != NL80211_IFTYPE_AP && -+ sdata->vif.type != NL80211_IFTYPE_WDS) ++ sdata->vif.type != NL80211_IFTYPE_WDS && ++ sdata->vif.type != NL80211_IFTYPE_ADHOC) break; /* verify action_code is present */ -@@ -2335,13 +2336,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_ +@@ -2452,13 +2454,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_ if (!ieee80211_vif_is_mesh(&sdata->vif) && sdata->vif.type != NL80211_IFTYPE_ADHOC && @@ -221,7 +1107,26 @@ break; case cpu_to_le16(IEEE80211_STYPE_DEAUTH): case cpu_to_le16(IEEE80211_STYPE_DISASSOC): -@@ -2680,10 +2682,16 @@ static int prepare_for_handlers(struct i +@@ -2796,19 +2799,32 @@ static int prepare_for_handlers(struct i + return 0; + } else if (!ieee80211_bssid_match(bssid, + sdata->vif.addr)) { ++ /* ++ * Accept public action frames even when the ++ * BSSID doesn't match, this is used for P2P ++ * and location updates. Note that mac80211 ++ * itself never looks at these frames. ++ */ + if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) && +- !ieee80211_is_beacon(hdr->frame_control) && +- !(ieee80211_is_action(hdr->frame_control) && +- sdata->vif.p2p)) ++ ieee80211_is_public_action(hdr, skb->len)) ++ return 1; ++ if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) && ++ !ieee80211_is_beacon(hdr->frame_control)) + return 0; + status->rx_flags &= ~IEEE80211_RX_RA_MATCH; } break; case NL80211_IFTYPE_WDS: @@ -243,876 +1148,202 @@ --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -31,7 +31,6 @@ + * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble * frames. - * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP. * @WLAN_STA_WME: Station is a QoS-STA. - * @WLAN_STA_WDS: Station is one of our WDS peers. * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the * IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next * frame to this station is transmitted. -@@ -54,7 +53,6 @@ enum ieee80211_sta_info_flags { - WLAN_STA_SHORT_PREAMBLE = 1<<4, - WLAN_STA_ASSOC_AP = 1<<5, - WLAN_STA_WME = 1<<6, -- WLAN_STA_WDS = 1<<7, - WLAN_STA_CLEAR_PS_FILT = 1<<9, - WLAN_STA_MFP = 1<<10, - WLAN_STA_BLOCK_BA = 1<<11, ---- a/drivers/net/wireless/ath/ath9k/beacon.c -+++ b/drivers/net/wireless/ath/ath9k/beacon.c -@@ -360,6 +360,7 @@ 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_tx_status ts; - int slot; - u32 bfaddr, bc = 0; - -@@ -384,7 +385,9 @@ void ath_beacon_tasklet(unsigned long da - ath_dbg(common, ATH_DBG_BSTUCK, - "beacon is officially stuck\n"); - sc->sc_flags |= SC_OP_TSF_RESET; -+ spin_lock(&sc->sc_pcu_lock); - ath_reset(sc, true); -+ spin_unlock(&sc->sc_pcu_lock); - } - - return; -@@ -464,6 +467,11 @@ void ath_beacon_tasklet(unsigned long da - ath9k_hw_txstart(ah, sc->beacon.beaconq); - - sc->beacon.ast_be_xmit += bc; /* XXX per-vif? */ -+ if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { -+ spin_lock_bh(&sc->sc_pcu_lock); -+ ath9k_hw_txprocdesc(ah, bf->bf_desc, (void *)&ts); -+ spin_unlock_bh(&sc->sc_pcu_lock); -+ } - } - } - ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -617,8 +617,11 @@ void ath_hw_check(struct work_struct *wo - ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, " - "busy=%d (try %d)\n", busy, sc->hw_busy_count + 1); - if (busy >= 99) { -- if (++sc->hw_busy_count >= 3) -+ if (++sc->hw_busy_count >= 3) { -+ spin_lock_bh(&sc->sc_pcu_lock); - ath_reset(sc, true); -+ spin_unlock_bh(&sc->sc_pcu_lock); -+ } - } else if (busy >= 0) - sc->hw_busy_count = 0; - -@@ -637,7 +640,9 @@ static void ath_hw_pll_rx_hang_check(str - /* Rx is hung for more than 500ms. Reset it */ - ath_dbg(common, ATH_DBG_RESET, - "Possible RX hang, resetting"); -+ spin_lock_bh(&sc->sc_pcu_lock); - ath_reset(sc, true); -+ spin_unlock_bh(&sc->sc_pcu_lock); - count = 0; - } - } else -@@ -674,7 +679,9 @@ void ath9k_tasklet(unsigned long data) - - if ((status & ATH9K_INT_FATAL) || - (status & ATH9K_INT_BB_WATCHDOG)) { -+ spin_lock(&sc->sc_pcu_lock); - ath_reset(sc, true); -+ spin_unlock(&sc->sc_pcu_lock); - return; +@@ -60,7 +59,6 @@ enum ieee80211_sta_info_flags { + WLAN_STA_AUTHORIZED, + WLAN_STA_SHORT_PREAMBLE, + WLAN_STA_WME, +- WLAN_STA_WDS, + WLAN_STA_CLEAR_PS_FILT, + WLAN_STA_MFP, + WLAN_STA_BLOCK_BA, +--- a/net/mac80211/util.c ++++ b/net/mac80211/util.c +@@ -1612,6 +1612,11 @@ u8 *ieee80211_ie_build_ht_info(u8 *pos, } + if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) + ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY; ++ ++ /* ++ * Note: According to 802.11n-2009 9.13.3.1, HT Protection field and ++ * RIFS Mode are reserved in IBSS mode, therefore keep them at 0 ++ */ + ht_info->operation_mode = 0x0000; + ht_info->stbc_param = 0x0000; -@@ -980,7 +987,6 @@ int ath_reset(struct ath_softc *sc, bool - del_timer_sync(&common->ani.timer); - - ath9k_ps_wakeup(sc); -- spin_lock_bh(&sc->sc_pcu_lock); - - ieee80211_stop_queues(hw); - -@@ -1023,7 +1029,6 @@ int ath_reset(struct ath_softc *sc, bool - } - - ieee80211_wake_queues(hw); -- spin_unlock_bh(&sc->sc_pcu_lock); - - /* Start ANI */ - if (!common->disable_ani) -@@ -2326,9 +2331,9 @@ static void ath9k_flush(struct ieee80211 - 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); -+ spin_unlock_bh(&sc->sc_pcu_lock); - ath9k_ps_restore(sc); - ieee80211_wake_queues(hw); - ---- a/drivers/net/wireless/ath/ath9k/xmit.c -+++ b/drivers/net/wireless/ath/ath9k/xmit.c -@@ -565,11 +565,8 @@ static void ath_tx_complete_aggr(struct +--- a/net/wireless/chan.c ++++ b/net/wireless/chan.c +@@ -6,6 +6,7 @@ + * Copyright 2009 Johannes Berg + */ - rcu_read_unlock(); ++#include + #include + #include "core.h" -- if (needreset) { -- spin_unlock_bh(&sc->sc_pcu_lock); -+ if (needreset) - ath_reset(sc, false); -- spin_lock_bh(&sc->sc_pcu_lock); -- } +@@ -44,9 +45,9 @@ rdev_freq_to_chan(struct cfg80211_regist + return chan; } - static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf, -@@ -664,7 +661,8 @@ static int ath_compute_num_delims(struct - * TODO - this could be improved to be dependent on the rate. - * The hardware can keep up at lower rates, but not higher rates - */ -- if (fi->keyix != ATH9K_TXKEYIX_INVALID) -+ if ((fi->keyix != ATH9K_TXKEYIX_INVALID) && -+ !(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)) - ndelim += ATH_AGGR_ENCRYPTDELIM; - - /* -@@ -2169,7 +2167,9 @@ static void ath_tx_complete_poll_work(st - if (needreset) { - ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET, - "tx hung, resetting the chip\n"); -+ spin_lock_bh(&sc->sc_pcu_lock); - ath_reset(sc, true); -+ spin_unlock_bh(&sc->sc_pcu_lock); - } - - ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, ---- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c -+++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c -@@ -236,7 +236,7 @@ static void ar9003_paprd_get_gain_table( - memset(entry, 0, sizeof(ah->paprd_gain_table_entries)); - memset(index, 0, sizeof(ah->paprd_gain_table_index)); - -- for (i = 0; i < 32; i++) { -+ for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) { - entry[i] = REG_READ(ah, reg); - index[i] = (entry[i] >> 24) & 0xff; - reg += 4; -@@ -246,13 +246,13 @@ static void ar9003_paprd_get_gain_table( - static unsigned int ar9003_get_desired_gain(struct ath_hw *ah, int chain, - int target_power) +-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) { -- int olpc_gain_delta = 0; -+ int olpc_gain_delta = 0, cl_gain_mod; - int alpha_therm, alpha_volt; - int therm_cal_value, volt_cal_value; - int therm_value, volt_value; - int thermal_gain_corr, voltage_gain_corr; - int desired_scale, desired_gain = 0; -- u32 reg; -+ u32 reg_olpc = 0, reg_cl_gain = 0; - - REG_CLR_BIT(ah, AR_PHY_PAPRD_TRAINER_STAT1, - AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE); -@@ -271,15 +271,29 @@ static unsigned int ar9003_get_desired_g - volt_value = REG_READ_FIELD(ah, AR_PHY_BB_THERM_ADC_4, - AR_PHY_BB_THERM_ADC_4_LATEST_VOLT_VALUE); - -- if (chain == 0) -- reg = AR_PHY_TPC_11_B0; -- else if (chain == 1) -- reg = AR_PHY_TPC_11_B1; -- else -- reg = AR_PHY_TPC_11_B2; -+ switch (chain) { -+ case 0: -+ reg_olpc = AR_PHY_TPC_11_B0; -+ reg_cl_gain = AR_PHY_CL_TAB_0; -+ break; -+ case 1: -+ reg_olpc = AR_PHY_TPC_11_B1; -+ reg_cl_gain = AR_PHY_CL_TAB_1; -+ break; -+ case 2: -+ reg_olpc = AR_PHY_TPC_11_B2; -+ reg_cl_gain = AR_PHY_CL_TAB_2; -+ break; -+ default: -+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_CALIBRATE, -+ "Invalid chainmask: %d\n", chain); -+ break; -+ } + struct ieee80211_channel *sec_chan; + int diff; +@@ -75,6 +76,7 @@ static bool can_beacon_sec_chan(struct w -- olpc_gain_delta = REG_READ_FIELD(ah, reg, -+ olpc_gain_delta = REG_READ_FIELD(ah, reg_olpc, - AR_PHY_TPC_11_OLPC_GAIN_DELTA); -+ cl_gain_mod = REG_READ_FIELD(ah, reg_cl_gain, -+ AR_PHY_CL_TAB_CL_GAIN_MOD); - - if (olpc_gain_delta >= 128) - olpc_gain_delta = olpc_gain_delta - 256; -@@ -289,7 +303,7 @@ static unsigned int ar9003_get_desired_g - voltage_gain_corr = (alpha_volt * (volt_value - volt_cal_value) + - (128 / 2)) / 128; - desired_gain = target_power - olpc_gain_delta - thermal_gain_corr - -- voltage_gain_corr + desired_scale; -+ voltage_gain_corr + desired_scale + cl_gain_mod; - - return desired_gain; + return true; } -@@ -727,7 +741,7 @@ int ar9003_paprd_setup_gain_table(struct - desired_gain = ar9003_get_desired_gain(ah, chain, train_power); ++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]); + } - gain_index = 0; -- for (i = 0; i < 32; i++) { -+ for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) { - if (ah->paprd_gain_table_index[i] >= desired_gain) - break; - gain_index++; ---- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h -+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h -@@ -1121,6 +1121,9 @@ - #define AR_PHY_POWERTX_RATE8_POWERTXHT40_5 0x3F00 - #define AR_PHY_POWERTX_RATE8_POWERTXHT40_5_S 8 - -+#define AR_PHY_CL_TAB_CL_GAIN_MOD 0x1f -+#define AR_PHY_CL_TAB_CL_GAIN_MOD_S 0 +- 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; + - void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx); - - #endif /* AR9003_PHY_H */ ---- a/drivers/net/wireless/ath/ath5k/eeprom.c -+++ b/drivers/net/wireless/ath/ath5k/eeprom.c -@@ -691,14 +691,12 @@ ath5k_eeprom_free_pcal_info(struct ath5k - if (!chinfo[pier].pd_curves) - continue; - -- for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) { -+ for (pdg = 0; pdg < AR5K_EEPROM_N_PD_CURVES; pdg++) { - struct ath5k_pdgain_info *pd = - &chinfo[pier].pd_curves[pdg]; - -- if (pd != NULL) { -- kfree(pd->pd_step); -- kfree(pd->pd_pwr); -- } -+ kfree(pd->pd_step); -+ kfree(pd->pd_pwr); - } - - kfree(chinfo[pier].pd_curves); ---- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c -+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c -@@ -229,6 +229,7 @@ static void ar9003_hw_fill_txdesc(struct - static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds, - struct ath_tx_status *ts) - { -+ struct ar9003_txc *txc = (struct ar9003_txc *) ds; - struct ar9003_txs *ads; - u32 status; - -@@ -238,7 +239,11 @@ static int ar9003_hw_proc_txdesc(struct - if ((status & AR_TxDone) == 0) - return -EINPROGRESS; - -- ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size; -+ ts->qid = MS(ads->ds_info, AR_TxQcuNum); -+ if (!txc || (MS(txc->info, AR_TxQcuNum) == ts->qid)) -+ ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size; -+ else -+ return -ENOENT; - - if ((MS(ads->ds_info, AR_DescId) != ATHEROS_VENDOR_ID) || - (MS(ads->ds_info, AR_TxRxDesc) != 1)) { -@@ -254,7 +259,6 @@ static int ar9003_hw_proc_txdesc(struct - ts->ts_seqnum = MS(status, AR_SeqNum); - ts->tid = MS(status, AR_TxTid); - -- ts->qid = MS(ads->ds_info, AR_TxQcuNum); - ts->desc_id = MS(ads->status1, AR_TxDescId); - ts->ts_tstamp = ads->status4; - ts->ts_status = 0; ---- a/net/mac80211/wpa.c -+++ b/net/mac80211/wpa.c -@@ -15,6 +15,7 @@ - #include - #include - #include -+#include - - #include "ieee80211_i.h" - #include "michael.h" -@@ -86,6 +87,11 @@ ieee80211_rx_h_michael_mic_verify(struct - struct sk_buff *skb = rx->skb; - struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; -+ int queue = rx->queue; ++ 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; + -+ /* otherwise, TKIP is vulnerable to TID 0 vs. non-QoS replays */ -+ if (rx->queue == NUM_RX_DATA_QUEUES - 1) -+ queue = 0; - - /* - * it makes no sense to check for MIC errors on anything other -@@ -148,8 +154,8 @@ ieee80211_rx_h_michael_mic_verify(struct - - update_iv: - /* update IV in key information to be able to detect replays */ -- rx->key->u.tkip.rx[rx->queue].iv32 = rx->tkip_iv32; -- rx->key->u.tkip.rx[rx->queue].iv16 = rx->tkip_iv16; -+ rx->key->u.tkip.rx[queue].iv32 = rx->tkip_iv32; -+ rx->key->u.tkip.rx[queue].iv16 = rx->tkip_iv16; - - return RX_CONTINUE; - -@@ -165,6 +171,7 @@ static int tkip_encrypt_skb(struct ieee8 - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - struct ieee80211_key *key = tx->key; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); -+ unsigned long flags; - unsigned int hdrlen; - int len, tail; - u8 *pos; -@@ -192,11 +199,12 @@ static int tkip_encrypt_skb(struct ieee8 - pos += hdrlen; - - /* Increase IV for the frame */ -+ spin_lock_irqsave(&key->u.tkip.txlock, flags); - key->u.tkip.tx.iv16++; - if (key->u.tkip.tx.iv16 == 0) - key->u.tkip.tx.iv32++; -- -- pos = ieee80211_tkip_add_iv(pos, key, key->u.tkip.tx.iv16); -+ pos = ieee80211_tkip_add_iv(pos, key); -+ spin_unlock_irqrestore(&key->u.tkip.txlock, flags); - - /* hwaccel - with software IV */ - if (info->control.hw_key) -@@ -205,9 +213,8 @@ static int tkip_encrypt_skb(struct ieee8 - /* Add room for ICV */ - skb_put(skb, TKIP_ICV_LEN); - -- hdr = (struct ieee80211_hdr *) skb->data; - return ieee80211_tkip_encrypt_data(tx->local->wep_tx_tfm, -- key, pos, len, hdr->addr2); -+ key, skb, pos, len); - } - - -@@ -235,6 +242,11 @@ ieee80211_crypto_tkip_decrypt(struct iee - struct ieee80211_key *key = rx->key; - struct sk_buff *skb = rx->skb; - struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); -+ int queue = rx->queue; ++ if (channel_type != NL80211_CHAN_NO_HT && ++ !(wiphy->features & NL80211_FEATURE_HT_IBSS)) ++ return -EINVAL; + -+ /* otherwise, TKIP is vulnerable to TID 0 vs. non-QoS replays */ -+ if (rx->queue == NUM_RX_DATA_QUEUES - 1) -+ queue = 0; - - hdrlen = ieee80211_hdrlen(hdr->frame_control); - -@@ -255,7 +267,7 @@ ieee80211_crypto_tkip_decrypt(struct iee - res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm, - key, skb->data + hdrlen, - skb->len - hdrlen, rx->sta->sta.addr, -- hdr->addr1, hwaccel, rx->queue, -+ hdr->addr1, hwaccel, queue, - &rx->tkip_iv32, - &rx->tkip_iv16); - if (res != TKIP_DECRYPT_OK) -@@ -283,6 +295,8 @@ static void ccmp_special_blocks(struct s - unsigned int hdrlen; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - -+ memset(scratch, 0, 6 * AES_BLOCK_LEN); ++ ibss.channel_type = channel_type; ++ } else { ++ ibss.channel_type = NL80211_CHAN_NO_HT; ++ } + - b_0 = scratch + 3 * AES_BLOCK_LEN; - aad = scratch + 4 * AES_BLOCK_LEN; - -@@ -373,8 +387,10 @@ static int ccmp_encrypt_skb(struct ieee8 - struct ieee80211_key *key = tx->key; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - int hdrlen, len, tail; -- u8 *pos, *pn; -- int i; -+ u8 *pos; -+ u8 pn[6]; -+ u64 pn64; -+ u8 scratch[6 * AES_BLOCK_LEN]; - - if (info->control.hw_key && - !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { -@@ -402,14 +418,14 @@ static int ccmp_encrypt_skb(struct ieee8 - hdr = (struct ieee80211_hdr *) pos; - pos += hdrlen; - -- /* PN = PN + 1 */ -- pn = key->u.ccmp.tx_pn; -+ pn64 = atomic64_inc_return(&key->u.ccmp.tx_pn); - -- for (i = CCMP_PN_LEN - 1; i >= 0; i--) { -- pn[i]++; -- if (pn[i]) -- break; -- } -+ pn[5] = pn64; -+ pn[4] = pn64 >> 8; -+ pn[3] = pn64 >> 16; -+ pn[2] = pn64 >> 24; -+ pn[1] = pn64 >> 32; -+ pn[0] = pn64 >> 40; - - ccmp_pn2hdr(pos, pn, key->conf.keyidx); - -@@ -418,8 +434,8 @@ static int ccmp_encrypt_skb(struct ieee8 - return 0; - - pos += CCMP_HDR_LEN; -- ccmp_special_blocks(skb, pn, key->u.ccmp.tx_crypto_buf, 0); -- ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, key->u.ccmp.tx_crypto_buf, pos, len, -+ ccmp_special_blocks(skb, pn, scratch, 0); -+ ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, scratch, pos, len, - pos, skb_put(skb, CCMP_MIC_LEN)); - - return 0; -@@ -475,11 +491,12 @@ ieee80211_crypto_ccmp_decrypt(struct iee - } - - if (!(status->flag & RX_FLAG_DECRYPTED)) { -+ u8 scratch[6 * AES_BLOCK_LEN]; - /* hardware didn't decrypt/verify MIC */ -- ccmp_special_blocks(skb, pn, key->u.ccmp.rx_crypto_buf, 1); -+ ccmp_special_blocks(skb, pn, scratch, 1); - - if (ieee80211_aes_ccm_decrypt( -- key->u.ccmp.tfm, key->u.ccmp.rx_crypto_buf, -+ key->u.ccmp.tfm, scratch, - skb->data + hdrlen + CCMP_HDR_LEN, data_len, - skb->data + skb->len - CCMP_MIC_LEN, - skb->data + hdrlen + CCMP_HDR_LEN)) ---- a/drivers/net/wireless/b43/xmit.c -+++ b/drivers/net/wireless/b43/xmit.c -@@ -323,8 +323,7 @@ int b43_generate_txhdr(struct b43_wldev - /* we give the phase1key and iv16 here, the key is stored in - * shm. With that the hardware can do phase 2 and encryption. - */ -- ieee80211_get_tkip_key(info->control.hw_key, skb_frag, -- IEEE80211_TKIP_P1_KEY, (u8*)phase1key); -+ ieee80211_get_tkip_p1k(info->control.hw_key, skb_frag, phase1key); - /* phase1key is in host endian. Copy to little-endian txhdr->iv. */ - for (i = 0; i < 5; i++) { - txhdr->iv[i * 2 + 0] = phase1key[i]; ---- a/drivers/net/wireless/iwlegacy/iwl-4965-tx.c -+++ b/drivers/net/wireless/iwlegacy/iwl-4965-tx.c -@@ -240,8 +240,7 @@ static void iwl4965_tx_cmd_build_hwcrypt - - case WLAN_CIPHER_SUITE_TKIP: - tx_cmd->sec_ctl = TX_CMD_SEC_TKIP; -- ieee80211_get_tkip_key(keyconf, skb_frag, -- IEEE80211_TKIP_P2_KEY, tx_cmd->key); -+ ieee80211_get_tkip_p2k(keyconf, skb_frag, tx_cmd->key); - IWL_DEBUG_TX(priv, "tx_cmd with tkip hwcrypto\n"); - break; - ---- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c -+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c -@@ -497,8 +497,7 @@ static void iwlagn_tx_cmd_build_hwcrypto - - case WLAN_CIPHER_SUITE_TKIP: - tx_cmd->sec_ctl = TX_CMD_SEC_TKIP; -- ieee80211_get_tkip_key(keyconf, skb_frag, -- IEEE80211_TKIP_P2_KEY, tx_cmd->key); -+ ieee80211_get_tkip_p2k(keyconf, skb_frag, tx_cmd->key); - IWL_DEBUG_TX(priv, "tx_cmd with tkip hwcrypto\n"); - break; ++ 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; ---- a/include/net/mac80211.h -+++ b/include/net/mac80211.h -@@ -960,21 +960,6 @@ enum sta_notify_cmd { - }; ++ /* 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]; - /** -- * enum ieee80211_tkip_key_type - get tkip key -- * -- * Used by drivers which need to get a tkip key for skb. Some drivers need a -- * phase 1 key, others need a phase 2 key. A single function allows the driver -- * to get the key, this enum indicates what type of key is required. -- * -- * @IEEE80211_TKIP_P1_KEY: the driver needs a phase 1 key -- * @IEEE80211_TKIP_P2_KEY: the driver needs a phase 2 key -- */ --enum ieee80211_tkip_key_type { -- IEEE80211_TKIP_P1_KEY, -- IEEE80211_TKIP_P2_KEY, --}; -- --/** - * enum ieee80211_hw_flags - hardware flags - * - * These flags are used to indicate hardware capabilities to -@@ -2568,21 +2553,33 @@ struct sk_buff * - ieee80211_get_buffered_bc(struct ieee80211_hw *hw, struct ieee80211_vif *vif); +--- a/include/linux/ieee80211.h ++++ b/include/linux/ieee80211.h +@@ -1695,6 +1695,23 @@ static inline bool ieee80211_is_robust_m + } /** -- * ieee80211_get_tkip_key - get a TKIP rc4 for skb -+ * ieee80211_get_tkip_p1k - get a TKIP phase 1 key -+ * -+ * This function returns the TKIP phase 1 key for the IV32 taken -+ * from the given packet. -+ * -+ * @keyconf: the parameter passed with the set key -+ * @skb: the packet to take the IV32 value from that will be encrypted -+ * with this P1K -+ * @p1k: a buffer to which the key will be written, as 5 u16 values ++ * ieee80211_is_public_action - check if frame is a public action frame ++ * @hdr: the frame ++ * @len: length of the frame + */ -+void ieee80211_get_tkip_p1k(struct ieee80211_key_conf *keyconf, -+ struct sk_buff *skb, u16 *p1k); ++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_get_tkip_p2k - get a TKIP phase 2 key - * -- * This function computes a TKIP rc4 key for an skb. It computes -- * a phase 1 key if needed (iv16 wraps around). This function is to -- * be used by drivers which can do HW encryption but need to compute -- * to phase 1/2 key in SW. -+ * This function computes the TKIP RC4 key for the IV values -+ * in the packet. + * ieee80211_fhss_chan_to_freq - get channel frequency + * @channel: the FHSS channel * - * @keyconf: the parameter passed with the set key -- * @skb: the skb for which the key is needed -- * @type: TBD -- * @key: a buffer to which the key will be written -- */ --void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf, -- struct sk_buff *skb, -- enum ieee80211_tkip_key_type type, u8 *key); -+ * @skb: the packet to take the IV32/IV16 values from that will be -+ * encrypted with this key -+ * @p2k: a buffer to which the key will be written, 16 bytes -+ */ -+void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf, -+ struct sk_buff *skb, u8 *p2k); -+ - /** - * ieee80211_wake_queue - wake specific queue - * @hw: pointer as obtained from ieee80211_alloc_hw(). ---- a/net/mac80211/key.c -+++ b/net/mac80211/key.c -@@ -333,6 +333,7 @@ struct ieee80211_key *ieee80211_key_allo - get_unaligned_le16(seq); - } - } -+ spin_lock_init(&key->u.tkip.txlock); - break; - case WLAN_CIPHER_SUITE_CCMP: - key->conf.iv_len = CCMP_HDR_LEN; ---- a/net/mac80211/key.h -+++ b/net/mac80211/key.h -@@ -52,9 +52,10 @@ enum ieee80211_internal_tkip_state { - }; +--- 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; ++ } - struct tkip_ctx { -- u32 iv32; -- u16 iv16; -- u16 p1k[5]; -+ u32 iv32; /* current iv32 */ -+ u16 iv16; /* current iv16 */ -+ u16 p1k[5]; /* p1k cache */ -+ u32 p1k_iv32; /* iv32 for which p1k computed */ - enum ieee80211_internal_tkip_state state; - }; + 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; -@@ -71,6 +72,9 @@ struct ieee80211_key { + might_sleep(); - union { - struct { -+ /* protects tx context */ -+ spinlock_t txlock; -+ - /* last used TSC */ - struct tkip_ctx tx; - -@@ -78,7 +82,7 @@ struct ieee80211_key { - struct tkip_ctx rx[NUM_RX_DATA_QUEUES]; - } tkip; - struct { -- u8 tx_pn[6]; -+ atomic64_t tx_pn; - /* - * Last received packet number. The first - * NUM_RX_DATA_QUEUES counters are used with Data -@@ -88,12 +92,9 @@ struct ieee80211_key { - u8 rx_pn[NUM_RX_DATA_QUEUES + 1][6]; - struct crypto_cipher *tfm; - u32 replays; /* dot11RSNAStatsCCMPReplays */ -- /* scratch buffers for virt_to_page() (crypto API) */ - #ifndef AES_BLOCK_LEN - #define AES_BLOCK_LEN 16 - #endif -- u8 tx_crypto_buf[6 * AES_BLOCK_LEN]; -- u8 rx_crypto_buf[6 * AES_BLOCK_LEN]; - } ccmp; - struct { - u8 tx_pn[6]; ---- a/net/mac80211/tkip.c -+++ b/net/mac80211/tkip.c -@@ -101,6 +101,7 @@ static void tkip_mixing_phase1(const u8 - p1k[4] += tkipS(p1k[3] ^ get_unaligned_le16(tk + 0 + j)) + i; +@@ -949,6 +950,30 @@ static int __must_check __sta_info_destr } - ctx->state = TKIP_STATE_PHASE1_DONE; -+ ctx->p1k_iv32 = tsc_IV32; - } - - static void tkip_mixing_phase2(const u8 *tk, struct tkip_ctx *ctx, -@@ -140,60 +141,72 @@ static void tkip_mixing_phase2(const u8 - /* Add TKIP IV and Ext. IV at @pos. @iv0, @iv1, and @iv2 are the first octets - * of the IV. Returns pointer to the octet following IVs (i.e., beginning of - * the packet payload). */ --u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, u16 iv16) -+u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key) - { -- pos = write_tkip_iv(pos, iv16); -+ lockdep_assert_held(&key->u.tkip.txlock); -+ -+ pos = write_tkip_iv(pos, key->u.tkip.tx.iv16); - *pos++ = (key->conf.keyidx << 6) | (1 << 5) /* Ext IV */; - put_unaligned_le32(key->u.tkip.tx.iv32, pos); - return pos + 4; - } + #endif --void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf, -- struct sk_buff *skb, enum ieee80211_tkip_key_type type, -- u8 *outkey) -+static void ieee80211_compute_tkip_p1k(struct ieee80211_key *key, u32 iv32) - { -- struct ieee80211_key *key = (struct ieee80211_key *) -- container_of(keyconf, struct ieee80211_key, conf); -- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; -- u8 *data; -- const u8 *tk; -- struct tkip_ctx *ctx; -- u16 iv16; -- u32 iv32; -- -- data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control); -- iv16 = data[2] | (data[0] << 8); -- iv32 = get_unaligned_le32(&data[4]); -- -- tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY]; -- ctx = &key->u.tkip.tx; -- --#ifdef CONFIG_MAC80211_TKIP_DEBUG -- printk(KERN_DEBUG "TKIP encrypt: iv16 = 0x%04x, iv32 = 0x%08x\n", -- iv16, iv32); -+ struct ieee80211_sub_if_data *sdata = key->sdata; -+ struct tkip_ctx *ctx = &key->u.tkip.tx; -+ const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY]; - -- if (iv32 != ctx->iv32) { -- printk(KERN_DEBUG "skb: iv32 = 0x%08x key: iv32 = 0x%08x\n", -- iv32, ctx->iv32); -- printk(KERN_DEBUG "Wrap around of iv16 in the middle of a " -- "fragmented packet\n"); -- } --#endif -+ lockdep_assert_held(&key->u.tkip.txlock); - -- /* Update the p1k only when the iv16 in the packet wraps around, this -- * might occur after the wrap around of iv16 in the key in case of -- * fragmented packets. */ -- if (iv16 == 0 || ctx->state == TKIP_STATE_NOT_INIT) -- tkip_mixing_phase1(tk, ctx, hdr->addr2, iv32); -+ /* -+ * Update the P1K when the IV32 is different from the value it -+ * had when we last computed it (or when not initialised yet). -+ * This might flip-flop back and forth if packets are processed -+ * out-of-order due to the different ACs, but then we have to -+ * just compute the P1K more often. ++ /* 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 + */ -+ if (ctx->p1k_iv32 != iv32 || ctx->state == TKIP_STATE_NOT_INIT) -+ tkip_mixing_phase1(tk, ctx, sdata->vif.addr, iv32); -+} - -- if (type == IEEE80211_TKIP_P1_KEY) { -- memcpy(outkey, ctx->p1k, sizeof(u16) * 5); -- return; -- } -+void ieee80211_get_tkip_p1k(struct ieee80211_key_conf *keyconf, -+ struct sk_buff *skb, u16 *p1k) -+{ -+ struct ieee80211_key *key = (struct ieee80211_key *) -+ container_of(keyconf, struct ieee80211_key, conf); -+ struct tkip_ctx *ctx = &key->u.tkip.tx; -+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; -+ const u8 *data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control); -+ u32 iv32 = get_unaligned_le32(&data[4]); -+ unsigned long flags; -+ -+ spin_lock_irqsave(&key->u.tkip.txlock, flags); -+ ieee80211_compute_tkip_p1k(key, iv32); -+ memcpy(p1k, ctx->p1k, sizeof(ctx->p1k)); -+ spin_unlock_irqrestore(&key->u.tkip.txlock, flags); -+} -+EXPORT_SYMBOL(ieee80211_get_tkip_p1k); - -- tkip_mixing_phase2(tk, ctx, iv16, outkey); -+void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf, -+ struct sk_buff *skb, u8 *p2k) -+{ -+ struct ieee80211_key *key = (struct ieee80211_key *) -+ container_of(keyconf, struct ieee80211_key, conf); -+ const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY]; -+ struct tkip_ctx *ctx = &key->u.tkip.tx; -+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; -+ const u8 *data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control); -+ u32 iv32 = get_unaligned_le32(&data[4]); -+ u16 iv16 = data[2] | (data[0] << 8); -+ unsigned long flags; ++ 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); ++ } + -+ spin_lock_irqsave(&key->u.tkip.txlock, flags); -+ ieee80211_compute_tkip_p1k(key, iv32); -+ tkip_mixing_phase2(tk, ctx, iv16, p2k); -+ spin_unlock_irqrestore(&key->u.tkip.txlock, flags); - } --EXPORT_SYMBOL(ieee80211_get_tkip_key); -+EXPORT_SYMBOL(ieee80211_get_tkip_p2k); + __sta_info_free(local, sta); - /* - * Encrypt packet payload with TKIP using @key. @pos is a pointer to the -@@ -204,19 +217,15 @@ EXPORT_SYMBOL(ieee80211_get_tkip_key); - */ - int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm, - struct ieee80211_key *key, -- u8 *pos, size_t payload_len, u8 *ta) -+ struct sk_buff *skb, -+ u8 *payload, size_t payload_len) - { - u8 rc4key[16]; -- struct tkip_ctx *ctx = &key->u.tkip.tx; -- const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY]; -- -- /* Calculate per-packet key */ -- if (ctx->iv16 == 0 || ctx->state == TKIP_STATE_NOT_INIT) -- tkip_mixing_phase1(tk, ctx, ta, ctx->iv32); - -- tkip_mixing_phase2(tk, ctx, ctx->iv16, rc4key); -+ ieee80211_get_tkip_p2k(&key->conf, skb, rc4key); - -- return ieee80211_wep_encrypt_data(tfm, rc4key, 16, pos, payload_len); -+ return ieee80211_wep_encrypt_data(tfm, rc4key, 16, -+ payload, payload_len); - } - - /* Decrypt packet payload with TKIP using @key. @pos is a pointer to the ---- a/net/mac80211/tkip.h -+++ b/net/mac80211/tkip.h -@@ -13,11 +13,13 @@ - #include - #include "key.h" - --u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, u16 iv16); -+u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key); - - int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm, -- struct ieee80211_key *key, -- u8 *pos, size_t payload_len, u8 *ta); -+ struct ieee80211_key *key, -+ struct sk_buff *skb, -+ u8 *payload, size_t payload_len); -+ - enum { - TKIP_DECRYPT_OK = 0, - TKIP_DECRYPT_NO_EXT_IV = -1, ---- a/net/mac80211/cfg.c -+++ b/net/mac80211/cfg.c -@@ -209,6 +209,7 @@ static int ieee80211_get_key(struct wiph - u8 seq[6] = {0}; - struct key_params params; - struct ieee80211_key *key = NULL; -+ u64 pn64; - u32 iv32; - u16 iv16; - int err = -ENOENT; -@@ -256,12 +257,13 @@ static int ieee80211_get_key(struct wiph - params.seq_len = 6; - break; - case WLAN_CIPHER_SUITE_CCMP: -- seq[0] = key->u.ccmp.tx_pn[5]; -- seq[1] = key->u.ccmp.tx_pn[4]; -- seq[2] = key->u.ccmp.tx_pn[3]; -- seq[3] = key->u.ccmp.tx_pn[2]; -- seq[4] = key->u.ccmp.tx_pn[1]; -- seq[5] = key->u.ccmp.tx_pn[0]; -+ pn64 = atomic64_read(&key->u.ccmp.tx_pn); -+ seq[0] = pn64; -+ seq[1] = pn64 >> 8; -+ seq[2] = pn64 >> 16; -+ seq[3] = pn64 >> 24; -+ seq[4] = pn64 >> 32; -+ seq[5] = pn64 >> 40; - params.seq = seq; - params.seq_len = 6; - break; ---- a/net/mac80211/debugfs_key.c -+++ b/net/mac80211/debugfs_key.c -@@ -79,6 +79,7 @@ static ssize_t key_tx_spec_read(struct f - size_t count, loff_t *ppos) - { - const u8 *tpn; -+ u64 pn; - char buf[20]; - int len; - struct ieee80211_key *key = file->private_data; -@@ -94,9 +95,10 @@ static ssize_t key_tx_spec_read(struct f - key->u.tkip.tx.iv16); - break; - case WLAN_CIPHER_SUITE_CCMP: -- tpn = key->u.ccmp.tx_pn; -+ pn = atomic64_read(&key->u.ccmp.tx_pn); - len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n", -- tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]); -+ (u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24), -+ (u8)(pn >> 16), (u8)(pn >> 8), (u8)pn); - break; - case WLAN_CIPHER_SUITE_AES_CMAC: - tpn = key->u.aes_cmac.tx_pn; ---- a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h -+++ b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h -@@ -653,8 +653,8 @@ static const u32 ar9300_2p2_baseband_pos - {0x0000a288, 0x00000110, 0x00000110, 0x00000110, 0x00000110}, - {0x0000a28c, 0x00022222, 0x00022222, 0x00022222, 0x00022222}, - {0x0000a2c4, 0x00158d18, 0x00158d18, 0x00158d18, 0x00158d18}, -- {0x0000a2d0, 0x00071981, 0x00071981, 0x00071981, 0x00071982}, -- {0x0000a2d8, 0x7999a83a, 0x7999a83a, 0x7999a83a, 0x7999a83a}, -+ {0x0000a2d0, 0x00041981, 0x00041981, 0x00041981, 0x00041982}, -+ {0x0000a2d8, 0x7999a83b, 0x7999a83b, 0x7999a83b, 0x7999a83b}, - {0x0000a358, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, - {0x0000a830, 0x0000019c, 0x0000019c, 0x0000019c, 0x0000019c}, - {0x0000ae04, 0x001c0000, 0x001c0000, 0x001c0000, 0x001c0000}, -@@ -761,7 +761,7 @@ static const u32 ar9300_2p2_baseband_cor - {0x0000a3ec, 0x20202020}, - {0x0000a3f0, 0x00000000}, - {0x0000a3f4, 0x00000246}, -- {0x0000a3f8, 0x0cdbd380}, -+ {0x0000a3f8, 0x0c9bd380}, - {0x0000a3fc, 0x000f0f01}, - {0x0000a400, 0x8fa91f01}, - {0x0000a404, 0x00000000}, -@@ -780,7 +780,7 @@ static const u32 ar9300_2p2_baseband_cor - {0x0000a43c, 0x00100000}, - {0x0000a440, 0x00000000}, - {0x0000a444, 0x00000000}, -- {0x0000a448, 0x06000080}, -+ {0x0000a448, 0x05000080}, - {0x0000a44c, 0x00000001}, - {0x0000a450, 0x00010000}, - {0x0000a458, 0x00000000}, -@@ -1500,8 +1500,6 @@ static const u32 ar9300_2p2_mac_core[][2 - {0x0000816c, 0x00000000}, - {0x000081c0, 0x00000000}, - {0x000081c4, 0x33332210}, -- {0x000081c8, 0x00000000}, -- {0x000081cc, 0x00000000}, - {0x000081ec, 0x00000000}, - {0x000081f0, 0x00000000}, - {0x000081f4, 0x00000000}, + return 0;