X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/a5269fb90342db291e738e07ad1e80e87b33f91c..6c242e52a8451894639dfd36b8744b7a84eaef95:/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 371e82bca..eb09e03e1 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -1,6 +1,505 @@ +--- 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 -@@ -1122,6 +1122,7 @@ struct cfg80211_ibss_params { +@@ -1149,6 +1149,7 @@ struct cfg80211_ibss_params { u8 *ssid; u8 *bssid; struct ieee80211_channel *channel; @@ -8,44 +507,53 @@ u8 *ie; u8 ssid_len, ie_len; u16 beacon_interval; -@@ -3188,6 +3189,16 @@ void cfg80211_gtk_rekey_notify(struct ne - void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, - const u8 *bssid, bool preauth, gfp_t gfp); +@@ -3270,6 +3271,16 @@ void cfg80211_report_obss_beacon(struct + const u8 *frame, size_t len, + int freq, gfp_t gfp); -+/** -+ * cfg80211_can_use_ext_chan - test if ht40 on extension channel can be used ++/* ++ * cfg80211_can_beacon_sec_chan - test if ht40 on extension channel can be used + * @wiphy: the wiphy + * @chan: main channel + * @channel_type: HT mode + */ -+bool cfg80211_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); + /* 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 -@@ -180,6 +180,10 @@ 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_WDS) -+ memcpy(mgmt->bssid, da, 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); --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c -@@ -77,10 +77,13 @@ 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) @@ -55,28 +563,184 @@ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); -@@ -397,7 +400,9 @@ int ieee80211_start_tx_ba_session(struct +@@ -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_ADHOC && -+ 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); + + /* 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", TEST(AUTH), TEST(ASSOC), TEST(PS_STA), TEST(PS_DRIVER), TEST(AUTHORIZED), - TEST(SHORT_PREAMBLE), TEST(ASSOC_AP), + TEST(SHORT_PREAMBLE), - TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT), + TEST(WME), TEST(CLEAR_PS_FILT), TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL), @@ -84,7 +748,18 @@ TEST(TDLS_PEER_AUTH)); --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c -@@ -199,6 +199,8 @@ void ieee80211_send_delba(struct ieee802 +@@ -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); @@ -103,7 +778,7 @@ lockdep_assert_held(&ifibss->mtx); -@@ -104,8 +105,16 @@ static void __ieee80211_sta_join_ibss(st +@@ -105,8 +106,16 @@ static void __ieee80211_sta_join_ibss(st sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0; @@ -122,7 +797,7 @@ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); sband = local->hw.wiphy->bands[chan->band]; -@@ -171,6 +180,18 @@ static void __ieee80211_sta_join_ibss(st +@@ -172,6 +181,19 @@ static void __ieee80211_sta_join_ibss(st memcpy(skb_put(skb, ifibss->ie_len), ifibss->ie, ifibss->ie_len); @@ -131,7 +806,8 @@ + pos = skb_put(skb, 4 + + sizeof(struct ieee80211_ht_cap) + + sizeof(struct ieee80211_ht_info)); -+ pos = ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap); ++ 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, @@ -141,7 +817,7 @@ if (local->hw.queues >= 4) { pos = skb_put(skb, 9); *pos++ = WLAN_EID_VENDOR_SPECIFIC; -@@ -194,6 +215,7 @@ static void __ieee80211_sta_join_ibss(st +@@ -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; @@ -149,72 +825,69 @@ bss_change |= BSS_CHANGED_IBSS; sdata->vif.bss_conf.ibss_joined = true; ieee80211_bss_info_change_notify(sdata, bss_change); -@@ -266,6 +288,7 @@ static void ieee80211_rx_bss_info(struct +@@ -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], -@@ -275,7 +298,10 @@ static void ieee80211_rx_bss_info(struct +@@ -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); - channel = ieee80211_get_channel(local->hw.wiphy, freq); - -- if (!channel || channel->flags & IEEE80211_CHAN_DISABLED) -+ if (!channel || -+ channel->flags & (IEEE80211_CHAN_DISABLED || -+ IEEE80211_CHAN_NO_IBSS || -+ IEEE80211_CHAN_RADAR)) - return; - - if (sdata->vif.type == NL80211_IFTYPE_ADHOC && -@@ -313,8 +339,41 @@ static void ieee80211_rx_bss_info(struct - GFP_ATOMIC); - } - -- if (sta && elems->wmm_info) -- set_sta_flag(sta, WLAN_STA_WME); -+ if (sta) { -+ if (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 */ -+ if (elems->ht_info_elem && elems->ht_cap_elem && -+ sdata->u.ibss.channel_type) { -+ enum nl80211_channel_type channel_type = -+ ieee80211_ht_info_to_channel_type( -+ elems->ht_info_elem); -+ struct ieee80211_sta_ht_cap sta_ht_cap_new; -+ -+ /* -+ * fall back to HT20 if we don't use or use -+ * the other extension channel -+ */ -+ if (channel_type > NL80211_CHAN_HT20 && -+ channel_type != sdata->u.ibss.channel_type) -+ channel_type = NL80211_CHAN_HT20; -+ -+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband, -+ elems->ht_cap_elem, -+ &sta_ht_cap_new); -+ 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)); -+ rate_control_rate_update(local, sband, -+ sta, -+ IEEE80211_RC_HT_CHANGED, -+ channel_type); -+ } ++ 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(); } -@@ -896,10 +955,15 @@ int ieee80211_ibss_join(struct ieee80211 + +@@ -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 */ + @@ -233,7 +906,7 @@ params->ie_len); if (!skb) return -ENOMEM; -@@ -920,13 +984,15 @@ int ieee80211_ibss_join(struct ieee80211 +@@ -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; @@ -251,9 +924,33 @@ } 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 -@@ -465,6 +465,7 @@ struct ieee80211_if_ibss { +@@ -474,6 +474,7 @@ struct ieee80211_if_ibss { u8 ssid_len, ie_len; u8 *ie; struct ieee80211_channel *channel; @@ -261,28 +958,6 @@ unsigned long ibss_join_req; /* probe response/beacon for IBSS */ -@@ -1339,6 +1340,12 @@ void ieee80211_recalc_smps(struct ieee80 - size_t ieee80211_ie_split(const u8 *ies, size_t ielen, - const u8 *ids, int n_ids, size_t offset); - size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); -+u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband, -+ u16 cap); -+u8 *ieee80211_ie_build_ht_info(u8 *pos, -+ struct ieee80211_sta_ht_cap *ht_cap, -+ struct ieee80211_channel *channel, -+ enum nl80211_channel_type channel_type); - - /* internal work items */ - void ieee80211_work_init(struct ieee80211_local *local); -@@ -1367,6 +1374,8 @@ ieee80211_get_channel_mode(struct ieee80 - bool ieee80211_set_channel_type(struct ieee80211_local *local, - struct ieee80211_sub_if_data *sdata, - enum nl80211_channel_type chantype); -+enum nl80211_channel_type -+ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info); - - #ifdef CONFIG_MAC80211_NOINLINE - #define debug_noinline noinline --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_ @@ -293,7 +968,7 @@ 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); @@ -321,17 +996,17 @@ /* * 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); -@@ -716,6 +693,70 @@ static void ieee80211_if_setup(struct ne +@@ -719,6 +696,70 @@ static void ieee80211_if_setup(struct ne dev->destructor = free_netdev; } @@ -384,7 +1059,7 @@ + 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) @@ -402,7 +1077,7 @@ static void ieee80211_iface_work(struct work_struct *work) { struct ieee80211_sub_if_data *sdata = -@@ -820,6 +861,9 @@ 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; @@ -412,20 +1087,32 @@ 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 -@@ -2211,7 +2211,9 @@ 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_ADHOC && -+ sdata->vif.type != NL80211_IFTYPE_WDS) ++ sdata->vif.type != NL80211_IFTYPE_WDS && ++ sdata->vif.type != NL80211_IFTYPE_ADHOC) break; /* verify action_code is present */ -@@ -2426,13 +2428,14 @@ 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 && @@ -442,7 +1129,26 @@ break; case cpu_to_le16(IEEE80211_STYPE_DEAUTH): case cpu_to_le16(IEEE80211_STYPE_DISASSOC): -@@ -2775,10 +2778,16 @@ 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: @@ -463,17 +1169,17 @@ /* should never get here */ --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h -@@ -32,7 +32,6 @@ +@@ -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. -@@ -61,7 +60,6 @@ enum ieee80211_sta_info_flags { +@@ -60,7 +59,6 @@ enum ieee80211_sta_info_flags { + WLAN_STA_AUTHORIZED, WLAN_STA_SHORT_PREAMBLE, - WLAN_STA_ASSOC_AP, WLAN_STA_WME, - WLAN_STA_WDS, WLAN_STA_CLEAR_PS_FILT, @@ -481,195 +1187,42 @@ WLAN_STA_BLOCK_BA, --- a/net/mac80211/util.c +++ b/net/mac80211/util.c -@@ -836,23 +836,8 @@ int ieee80211_build_preq_ies(struct ieee - offset = noffset; +@@ -1612,6 +1612,11 @@ u8 *ieee80211_ie_build_ht_info(u8 *pos, } - -- if (sband->ht_cap.ht_supported) { -- u16 cap = sband->ht_cap.cap; -- __le16 tmp; -- -- *pos++ = WLAN_EID_HT_CAPABILITY; -- *pos++ = sizeof(struct ieee80211_ht_cap); -- memset(pos, 0, sizeof(struct ieee80211_ht_cap)); -- tmp = cpu_to_le16(cap); -- memcpy(pos, &tmp, sizeof(u16)); -- pos += sizeof(u16); -- *pos++ = sband->ht_cap.ampdu_factor | -- (sband->ht_cap.ampdu_density << -- IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); -- memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); -- pos += sizeof(sband->ht_cap.mcs); -- pos += 2 + 4 + 1; /* ext info, BF cap, antsel */ -- } -+ if (sband->ht_cap.ht_supported) -+ pos = ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap); - - /* - * If adding more here, adjust code in main.c -@@ -1443,3 +1428,100 @@ int ieee80211_add_ext_srates_ie(struct i - } - return 0; - } -+ -+u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband, -+ u16 cap) -+{ -+ __le16 tmp; -+ -+ *pos++ = WLAN_EID_HT_CAPABILITY; -+ *pos++ = sizeof(struct ieee80211_ht_cap); -+ memset(pos, 0, sizeof(struct ieee80211_ht_cap)); -+ -+ /* capability flags */ -+ tmp = cpu_to_le16(cap); -+ memcpy(pos, &tmp, sizeof(u16)); -+ pos += sizeof(u16); -+ -+ /* AMPDU parameters */ -+ *pos++ = sband->ht_cap.ampdu_factor | -+ (sband->ht_cap.ampdu_density << -+ IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); -+ -+ /* MCS set */ -+ memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); -+ pos += sizeof(sband->ht_cap.mcs); -+ -+ /* extended capabilities */ -+ pos += sizeof(__le16); -+ -+ /* BF capabilities */ -+ pos += sizeof(__le32); -+ -+ /* antenna selection */ -+ pos += sizeof(u8); -+ -+ return pos; -+} + if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) + ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY; + -+u8 *ieee80211_ie_build_ht_info(u8 *pos, -+ struct ieee80211_sta_ht_cap *ht_cap, -+ struct ieee80211_channel *channel, -+ enum nl80211_channel_type channel_type) -+{ -+ struct ieee80211_ht_info *ht_info; -+ /* Build HT Information */ -+ *pos++ = WLAN_EID_HT_INFORMATION; -+ *pos++ = sizeof(struct ieee80211_ht_info); -+ ht_info = (struct ieee80211_ht_info *)pos; -+ ht_info->control_chan = -+ ieee80211_frequency_to_channel(channel->center_freq); -+ switch (channel_type) { -+ case NL80211_CHAN_HT40MINUS: -+ ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW; -+ break; -+ case NL80211_CHAN_HT40PLUS: -+ ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_ABOVE; -+ break; -+ case NL80211_CHAN_HT20: -+ default: -+ ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE; -+ break; -+ } -+ if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) -+ ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY; -+ ht_info->operation_mode = 0x0000; -+ ht_info->stbc_param = 0x0000; -+ -+ /* It seems that Basic MCS set and Supported MCS set -+ are identical for the first 10 bytes */ -+ memset(&ht_info->basic_set, 0, 16); -+ memcpy(&ht_info->basic_set, &ht_cap->mcs, 10); -+ -+ return pos + sizeof(struct ieee80211_ht_info); -+} -+ -+enum nl80211_channel_type -+ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info) -+{ -+ enum nl80211_channel_type channel_type; -+ -+ if (!ht_info) -+ return NL80211_CHAN_NO_HT; -+ -+ switch (ht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) { -+ case IEEE80211_HT_PARAM_CHA_SEC_NONE: -+ channel_type = NL80211_CHAN_HT20; -+ break; -+ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: -+ channel_type = NL80211_CHAN_HT40PLUS; -+ break; -+ case IEEE80211_HT_PARAM_CHA_SEC_BELOW: -+ channel_type = NL80211_CHAN_HT40MINUS; -+ break; -+ default: -+ channel_type = NL80211_CHAN_NO_HT; -+ } -+ -+ return channel_type; -+} ---- a/net/mac80211/work.c -+++ b/net/mac80211/work.c -@@ -118,7 +118,6 @@ static void ieee80211_add_ht_ie(struct s - u8 *pos; - u32 flags = channel->flags; - u16 cap = sband->ht_cap.cap; -- __le16 tmp; - - if (!sband->ht_cap.ht_supported) - return; -@@ -169,34 +168,8 @@ static void ieee80211_add_ht_ie(struct s - } ++ /* ++ * 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; - /* reserve and fill IE */ -- - pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2); -- *pos++ = WLAN_EID_HT_CAPABILITY; -- *pos++ = sizeof(struct ieee80211_ht_cap); -- memset(pos, 0, sizeof(struct ieee80211_ht_cap)); -- -- /* capability flags */ -- tmp = cpu_to_le16(cap); -- memcpy(pos, &tmp, sizeof(u16)); -- pos += sizeof(u16); -- -- /* AMPDU parameters */ -- *pos++ = sband->ht_cap.ampdu_factor | -- (sband->ht_cap.ampdu_density << -- IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); -- -- /* MCS set */ -- memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); -- pos += sizeof(sband->ht_cap.mcs); -- -- /* extended capabilities */ -- pos += sizeof(__le16); -- -- /* BF capabilities */ -- pos += sizeof(__le32); -- -- /* antenna selection */ -- pos += sizeof(u8); -+ ieee80211_ie_build_ht_cap(pos, sband, cap); - } - - static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata, --- a/net/wireless/chan.c +++ b/net/wireless/chan.c -@@ -44,9 +44,9 @@ rdev_freq_to_chan(struct cfg80211_regist +@@ -6,6 +6,7 @@ + * Copyright 2009 Johannes Berg + */ + ++#include + #include + #include "core.h" + +@@ -44,9 +45,9 @@ rdev_freq_to_chan(struct cfg80211_regist return chan; } -static bool can_beacon_sec_chan(struct wiphy *wiphy, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type) -+bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy, ++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 +75,7 @@ static bool can_beacon_sec_chan(struct w +@@ -75,6 +76,7 @@ static bool can_beacon_sec_chan(struct w return true; } @@ -677,7 +1230,7 @@ int cfg80211_set_freq(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev, int freq, -@@ -109,8 +110,8 @@ int cfg80211_set_freq(struct cfg80211_re +@@ -109,8 +111,8 @@ int cfg80211_set_freq(struct cfg80211_re switch (channel_type) { case NL80211_CHAN_HT40PLUS: case NL80211_CHAN_HT40MINUS: @@ -690,7 +1243,7 @@ "allowed to initiate communication\n"); --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c -@@ -4574,13 +4574,34 @@ static int nl80211_join_ibss(struct sk_b +@@ -4684,13 +4684,41 @@ static int nl80211_join_ibss(struct sk_b ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); } @@ -701,8 +1254,16 @@ + + channel_type = nla_get_u32( + info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); -+ if (channel_type > NL80211_CHAN_HT40PLUS) ++ 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; @@ -712,7 +1273,6 @@ + nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]), + ibss.channel_type); if (!ibss.channel || -+ ibss.channel->flags & IEEE80211_CHAN_RADAR || ibss.channel->flags & IEEE80211_CHAN_NO_IBSS || ibss.channel->flags & IEEE80211_CHAN_DISABLED) return -EINVAL; @@ -727,3 +1287,95 @@ 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)