+--- 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
-@@ -1048,6 +1048,8 @@ static int ath9k_start(struct ieee80211_
- "Starting driver with initial channel: %d MHz\n",
- curchan->center_freq);
+@@ -118,7 +118,7 @@ void ath9k_ps_restore(struct ath_softc *
+ if (--sc->ps_usecount != 0)
+ goto unlock;
-+ ath9k_ps_wakeup(sc);
+- 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);
- /* setup initial channel */
-@@ -1143,6 +1145,8 @@ static int ath9k_start(struct ieee80211_
- mutex_unlock:
+@@ -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);
+
- return r;
+ /* Logging, debugging and troubleshooting/diagnostic helpers. */
+
+ /* wiphy_printk helpers, similar to dev_printk */
+--- a/net/mac80211/agg-rx.c
++++ b/net/mac80211/agg-rx.c
+@@ -185,6 +185,10 @@ static void ieee80211_send_addba_resp(st
+ memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
+ else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ 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);
+--- a/net/mac80211/agg-tx.c
++++ b/net/mac80211/agg-tx.c
+@@ -55,6 +55,8 @@
+ * @ampdu_action function will be called with the action
+ * %IEEE80211_AMPDU_TX_STOP. In this case, the call must not fail,
+ * and the driver must later call ieee80211_stop_tx_ba_cb_irqsafe().
++ * Note that the sta can get destroyed before the BA tear down is
++ * complete.
+ */
+
+ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata,
+@@ -79,10 +81,13 @@ static void ieee80211_send_addba_request
+ 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_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);
++ 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);
}
---- a/net/mac80211/ibss.c
-+++ b/net/mac80211/ibss.c
-@@ -661,7 +661,6 @@ static void ieee80211_sta_find_ibss(stru
- static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *req)
++/*
++ * 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 ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(req);
- struct ieee80211_mgmt *mgmt = (void *)req->data;
- struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
- struct ieee80211_local *local = sdata->local;
-@@ -685,7 +684,7 @@ static void ieee80211_rx_mgmt_probe_req(
- mgmt->bssid, tx_last_beacon);
- #endif /* CONFIG_MAC80211_IBSS_DEBUG */
+ 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);
-- if (!tx_last_beacon && !(rx_status->rx_flags & IEEE80211_RX_RA_MATCH))
-+ if (!tx_last_beacon && is_multicast_ether_addr(mgmt->da))
+ /*
+- * 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;
+ }
- if (memcmp(mgmt->bssid, ifibss->bssid, ETH_ALEN) != 0 &&
---- a/net/mac80211/rc80211_minstrel_ht.c
-+++ b/net/mac80211/rc80211_minstrel_ht.c
-@@ -659,18 +659,14 @@ minstrel_ht_update_caps(void *priv, stru
- struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
- struct ieee80211_local *local = hw_to_local(mp->hw);
- u16 sta_cap = sta->ht_cap.cap;
-+ int n_supported = 0;
- int ack_dur;
- int stbc;
- int i;
+- /* 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_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);
- /* fall back to the old minstrel for legacy stations */
-- if (!sta->ht_cap.ht_supported) {
-- msp->is_ht = false;
-- memset(&msp->legacy, 0, sizeof(msp->legacy));
-- msp->legacy.r = msp->ratelist;
-- msp->legacy.sample_table = msp->sample_table;
-- return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy);
+-/*
+- * 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);
- }
-+ if (!sta->ht_cap.ht_supported)
-+ goto use_legacy;
+-}
+-
+-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",
+ 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);
- BUILD_BUG_ON(ARRAY_SIZE(minstrel_mcs_groups) !=
- MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS);
-@@ -725,7 +721,22 @@ minstrel_ht_update_caps(void *priv, stru
+ 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);
- mi->groups[i].supported =
- mcs->rx_mask[minstrel_mcs_groups[i].streams - 1];
++ /* 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 (mi->groups[i].supported)
-+ n_supported++;
+ 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.
++ */
+
-+ if (!n_supported)
-+ goto use_legacy;
++ sdata->vif.bss_conf.ht_operation_mode |=
++ IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED
++ | IEEE80211_HT_PARAM_RIFS_MODE;
+
-+ return;
++ changed |= BSS_CHANGED_HT;
++ ieee80211_bss_info_change_notify(sdata, changed);
+
-+use_legacy:
-+ msp->is_ht = false;
-+ memset(&msp->legacy, 0, sizeof(msp->legacy));
-+ msp->legacy.r = msp->ratelist;
-+ msp->legacy.sample_table = msp->sample_table;
-+ return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy);
- }
+ ieee80211_queue_work(&sdata->local->hw, &sdata->work);
- static void
+ return 0;
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
-@@ -814,8 +814,8 @@ struct ieee80211_local {
-
- struct rate_control_ref *rate_ctrl;
-
-- struct crypto_blkcipher *wep_tx_tfm;
-- struct crypto_blkcipher *wep_rx_tfm;
-+ struct crypto_cipher *wep_tx_tfm;
-+ struct crypto_cipher *wep_rx_tfm;
- u32 wep_iv;
-
- /* see iface.c */
---- a/net/mac80211/tkip.c
-+++ b/net/mac80211/tkip.c
-@@ -202,7 +202,7 @@ EXPORT_SYMBOL(ieee80211_get_tkip_key);
- * @payload_len is the length of payload (_not_ including IV/ICV length).
- * @ta is the transmitter addresses.
- */
--int ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
-+int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
- struct ieee80211_key *key,
- u8 *pos, size_t payload_len, u8 *ta)
- {
-@@ -223,7 +223,7 @@ int ieee80211_tkip_encrypt_data(struct c
- * beginning of the buffer containing IEEE 802.11 header payload, i.e.,
- * including IV, Ext. IV, real data, Michael MIC, ICV. @payload_len is the
- * length of payload, including IV, Ext. IV, MIC, ICV. */
--int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm,
-+int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
- struct ieee80211_key *key,
- u8 *payload, size_t payload_len, u8 *ta,
- u8 *ra, int only_iv, int queue,
---- a/net/mac80211/tkip.h
-+++ b/net/mac80211/tkip.h
-@@ -15,7 +15,7 @@
-
- u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, u16 iv16);
-
--int ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
-+int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
- struct ieee80211_key *key,
- u8 *pos, size_t payload_len, u8 *ta);
- enum {
-@@ -24,7 +24,7 @@ enum {
- TKIP_DECRYPT_INVALID_KEYIDX = -2,
- TKIP_DECRYPT_REPLAY = -3,
- };
--int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm,
-+int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
- struct ieee80211_key *key,
- u8 *payload, size_t payload_len, u8 *ta,
- u8 *ra, int only_iv, int queue,
---- a/net/mac80211/wep.c
-+++ b/net/mac80211/wep.c
-@@ -30,17 +30,15 @@ int ieee80211_wep_init(struct ieee80211_
- /* start WEP IV from a random value */
- get_random_bytes(&local->wep_iv, WEP_IV_LEN);
-
-- local->wep_tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0,
-- CRYPTO_ALG_ASYNC);
-+ local->wep_tx_tfm = crypto_alloc_cipher("arc4", 0, CRYPTO_ALG_ASYNC);
- if (IS_ERR(local->wep_tx_tfm)) {
- local->wep_rx_tfm = ERR_PTR(-EINVAL);
- return PTR_ERR(local->wep_tx_tfm);
- }
-
-- local->wep_rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0,
-- CRYPTO_ALG_ASYNC);
-+ local->wep_rx_tfm = crypto_alloc_cipher("arc4", 0, CRYPTO_ALG_ASYNC);
- if (IS_ERR(local->wep_rx_tfm)) {
-- crypto_free_blkcipher(local->wep_tx_tfm);
-+ crypto_free_cipher(local->wep_tx_tfm);
- local->wep_tx_tfm = ERR_PTR(-EINVAL);
- return PTR_ERR(local->wep_rx_tfm);
- }
-@@ -51,9 +49,9 @@ int ieee80211_wep_init(struct ieee80211_
- void ieee80211_wep_free(struct ieee80211_local *local)
+@@ -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_
{
- if (!IS_ERR(local->wep_tx_tfm))
-- crypto_free_blkcipher(local->wep_tx_tfm);
-+ crypto_free_cipher(local->wep_tx_tfm);
- if (!IS_ERR(local->wep_rx_tfm))
-- crypto_free_blkcipher(local->wep_rx_tfm);
-+ crypto_free_cipher(local->wep_rx_tfm);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+- struct sta_info *sta;
+ u32 changed = 0;
+ int res;
+ u32 hw_reconf_flags = 0;
+@@ -309,27 +308,6 @@ static int ieee80211_do_open(struct net_
+
+ set_bit(SDATA_STATE_RUNNING, &sdata->state);
+
+- if (sdata->vif.type == NL80211_IFTYPE_WDS) {
+- /* Create STA entry for the WDS peer */
+- sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
+- GFP_KERNEL);
+- if (!sta) {
+- res = -ENOMEM;
+- goto err_del_interface;
+- }
+-
+- /* no atomic bitop required since STA is not live yet */
+- set_sta_flag(sta, WLAN_STA_AUTHORIZED);
+-
+- res = sta_info_insert(sta);
+- if (res) {
+- /* STA has been freed */
+- goto err_del_interface;
+- }
+-
+- rate_control_rate_init(sta);
+- }
+-
+ /*
+ * set_multicast_list will be invoked by the networking core
+ * which will check whether any increments here were done in
+@@ -356,8 +334,7 @@ static int ieee80211_do_open(struct net_
+ netif_tx_start_all_queues(dev);
+
+ return 0;
+- err_del_interface:
+- drv_remove_interface(local, sdata);
++
+ err_stop:
+ if (!local->open_count)
+ drv_stop(local);
+@@ -719,6 +696,70 @@ static void ieee80211_if_setup(struct ne
+ dev->destructor = free_netdev;
}
- static inline bool ieee80211_wep_weak_iv(u32 iv, int keylen)
-@@ -127,12 +125,11 @@ static void ieee80211_wep_remove_iv(stru
- /* Perform WEP encryption using given key. data buffer must have tailroom
- * for 4-byte ICV. data_len must not include this ICV. Note: this function
- * does _not_ add IV. data = RC4(data | CRC32(data)) */
--int ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
-+int ieee80211_wep_encrypt_data(struct crypto_cipher *tfm, u8 *rc4key,
- size_t klen, u8 *data, size_t data_len)
++static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
++ struct sk_buff *skb)
++{
++ struct ieee80211_local *local = sdata->local;
++ struct ieee80211_rx_status *rx_status;
++ struct ieee802_11_elems elems;
++ struct ieee80211_mgmt *mgmt;
++ struct sta_info *sta;
++ size_t baselen;
++ u32 rates = 0;
++ u16 stype;
++ bool new = false;
++ enum ieee80211_band band = local->hw.conf.channel->band;
++ struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
++
++ rx_status = IEEE80211_SKB_RXCB(skb);
++ mgmt = (struct ieee80211_mgmt *) skb->data;
++ stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
++
++ if (stype != IEEE80211_STYPE_BEACON)
++ return;
++
++ baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
++ if (baselen > skb->len)
++ return;
++
++ ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
++ skb->len - baselen, &elems);
++
++ rates = ieee80211_sta_get_rates(local, &elems, band);
++
++ rcu_read_lock();
++
++ sta = sta_info_get(sdata, sdata->u.wds.remote_addr);
++
++ if (!sta) {
++ rcu_read_unlock();
++ sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
++ GFP_KERNEL);
++ if (!sta)
++ return;
++
++ new = true;
++ }
++
++ sta->last_rx = jiffies;
++ sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
++
++ if (elems.ht_cap_elem)
++ ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
++ elems.ht_cap_elem, &sta->sta.ht_cap);
++
++ if (elems.wmm_param)
++ set_sta_flag(sta, WLAN_STA_WME);
++
++ if (new) {
++ set_sta_flag(sta, WLAN_STA_AUTHORIZED);
++ rate_control_rate_init(sta);
++ sta_info_insert_rcu(sta);
++ }
++
++ rcu_read_unlock();
++}
++
+ static void ieee80211_iface_work(struct work_struct *work)
{
-- struct blkcipher_desc desc = { .tfm = tfm };
-- struct scatterlist sg;
- __le32 icv;
-+ int i;
-
- if (IS_ERR(tfm))
- return -1;
-@@ -140,9 +137,9 @@ int ieee80211_wep_encrypt_data(struct cr
- icv = cpu_to_le32(~crc32_le(~0, data, data_len));
- put_unaligned(icv, (__le32 *)(data + data_len));
-
-- crypto_blkcipher_setkey(tfm, rc4key, klen);
-- sg_init_one(&sg, data, data_len + WEP_ICV_LEN);
-- crypto_blkcipher_encrypt(&desc, &sg, &sg, sg.length);
-+ crypto_cipher_setkey(tfm, rc4key, klen);
-+ for (i = 0; i < data_len + WEP_ICV_LEN; i++)
-+ crypto_cipher_encrypt_one(tfm, data + i, data + i);
+ struct ieee80211_sub_if_data *sdata =
+@@ -823,6 +864,9 @@ static void ieee80211_iface_work(struct
+ break;
+ ieee80211_mesh_rx_queued_mgmt(sdata, skb);
+ break;
++ case NL80211_IFTYPE_WDS:
++ ieee80211_wds_rx_queued_mgmt(sdata, skb);
++ break;
+ 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;
- return 0;
+- wiphy->features = NL80211_FEATURE_SK_TX_STATUS;
++ wiphy->features = NL80211_FEATURE_SK_TX_STATUS |
++ NL80211_FEATURE_HT_IBSS;
+
+ if (!ops->set_key)
+ wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -2237,7 +2237,9 @@ ieee80211_rx_h_action(struct ieee80211_r
+ if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+ 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_ADHOC)
+ break;
+
+ /* verify action_code is present */
+@@ -2452,13 +2454,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+
+ if (!ieee80211_vif_is_mesh(&sdata->vif) &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC &&
+- sdata->vif.type != NL80211_IFTYPE_STATION)
++ sdata->vif.type != NL80211_IFTYPE_STATION &&
++ sdata->vif.type != NL80211_IFTYPE_WDS)
+ return RX_DROP_MONITOR;
+
+ switch (stype) {
+ case cpu_to_le16(IEEE80211_STYPE_BEACON):
+ case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
+- /* process for all: mesh, mlme, ibss */
++ /* process for all: mesh, mlme, ibss, wds */
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
+ case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
+@@ -2796,19 +2799,32 @@ static int prepare_for_handlers(struct i
+ return 0;
+ } else if (!ieee80211_bssid_match(bssid,
+ sdata->vif.addr)) {
++ /*
++ * Accept public action frames even when the
++ * BSSID doesn't match, this is used for P2P
++ * and location updates. Note that mac80211
++ * itself never looks at these frames.
++ */
+ if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) &&
+- !ieee80211_is_beacon(hdr->frame_control) &&
+- !(ieee80211_is_action(hdr->frame_control) &&
+- sdata->vif.p2p))
++ ieee80211_is_public_action(hdr, skb->len))
++ return 1;
++ if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) &&
++ !ieee80211_is_beacon(hdr->frame_control))
+ return 0;
+ status->rx_flags &= ~IEEE80211_RX_RA_MATCH;
+ }
+ break;
+ case NL80211_IFTYPE_WDS:
+- if (bssid || !ieee80211_is_data(hdr->frame_control))
+- return 0;
+ if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
+ return 0;
++
++ if (ieee80211_is_data(hdr->frame_control) ||
++ ieee80211_is_action(hdr->frame_control)) {
++ if (compare_ether_addr(sdata->vif.addr, hdr->addr1))
++ return 0;
++ } else if (!ieee80211_is_beacon(hdr->frame_control))
++ return 0;
++
+ break;
+ default:
+ /* should never get here */
+--- 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_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.
+@@ -60,7 +59,6 @@ enum ieee80211_sta_info_flags {
+ WLAN_STA_AUTHORIZED,
+ WLAN_STA_SHORT_PREAMBLE,
+ WLAN_STA_WME,
+- WLAN_STA_WDS,
+ WLAN_STA_CLEAR_PS_FILT,
+ WLAN_STA_MFP,
+ WLAN_STA_BLOCK_BA,
+--- a/net/mac80211/util.c
++++ b/net/mac80211/util.c
+@@ -1612,6 +1612,11 @@ u8 *ieee80211_ie_build_ht_info(u8 *pos,
+ }
+ if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
+ ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
++
++ /*
++ * Note: According to 802.11n-2009 9.13.3.1, HT Protection field and
++ * RIFS Mode are reserved in IBSS mode, therefore keep them at 0
++ */
+ ht_info->operation_mode = 0x0000;
+ ht_info->stbc_param = 0x0000;
+
+--- a/net/wireless/chan.c
++++ b/net/wireless/chan.c
+@@ -6,6 +6,7 @@
+ * Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
+ */
+
++#include <linux/export.h>
+ #include <net/cfg80211.h>
+ #include "core.h"
+
+@@ -44,9 +45,9 @@ rdev_freq_to_chan(struct cfg80211_regist
+ return chan;
}
-@@ -186,19 +183,18 @@ int ieee80211_wep_encrypt(struct ieee802
- /* Perform WEP decryption using given key. data buffer includes encrypted
- * payload, including 4-byte ICV, but _not_ IV. data_len must not include ICV.
- * Return 0 on success and -1 on ICV mismatch. */
--int ieee80211_wep_decrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
-+int ieee80211_wep_decrypt_data(struct crypto_cipher *tfm, u8 *rc4key,
- size_t klen, u8 *data, size_t data_len)
+
+-static bool can_beacon_sec_chan(struct wiphy *wiphy,
+- struct ieee80211_channel *chan,
+- enum nl80211_channel_type channel_type)
++int cfg80211_can_beacon_sec_chan(struct wiphy *wiphy,
++ struct ieee80211_channel *chan,
++ enum nl80211_channel_type channel_type)
{
-- struct blkcipher_desc desc = { .tfm = tfm };
-- struct scatterlist sg;
- __le32 crc;
-+ int i;
-
- if (IS_ERR(tfm))
- return -1;
-
-- crypto_blkcipher_setkey(tfm, rc4key, klen);
-- sg_init_one(&sg, data, data_len + WEP_ICV_LEN);
-- crypto_blkcipher_decrypt(&desc, &sg, &sg, sg.length);
-+ crypto_cipher_setkey(tfm, rc4key, klen);
-+ for (i = 0; i < data_len + WEP_ICV_LEN; i++)
-+ crypto_cipher_decrypt_one(tfm, data + i, data + i);
-
- crc = cpu_to_le32(~crc32_le(~0, data, data_len));
- if (memcmp(&crc, data + data_len, WEP_ICV_LEN) != 0)
---- a/net/mac80211/wep.h
-+++ b/net/mac80211/wep.h
-@@ -18,12 +18,12 @@
-
- int ieee80211_wep_init(struct ieee80211_local *local);
- void ieee80211_wep_free(struct ieee80211_local *local);
--int ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
-+int ieee80211_wep_encrypt_data(struct crypto_cipher *tfm, u8 *rc4key,
- size_t klen, u8 *data, size_t data_len);
- int ieee80211_wep_encrypt(struct ieee80211_local *local,
- struct sk_buff *skb,
- const u8 *key, int keylen, int keyidx);
--int ieee80211_wep_decrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
-+int ieee80211_wep_decrypt_data(struct crypto_cipher *tfm, u8 *rc4key,
- size_t klen, u8 *data, size_t data_len);
- bool ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key);
+ struct ieee80211_channel *sec_chan;
+ int diff;
+@@ -75,6 +76,7 @@ static bool can_beacon_sec_chan(struct w
+
+ return true;
+ }
++EXPORT_SYMBOL(cfg80211_can_beacon_sec_chan);
+
+ int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev, int freq,
+@@ -109,8 +111,8 @@ int cfg80211_set_freq(struct cfg80211_re
+ switch (channel_type) {
+ case NL80211_CHAN_HT40PLUS:
+ case NL80211_CHAN_HT40MINUS:
+- if (!can_beacon_sec_chan(&rdev->wiphy, chan,
+- channel_type)) {
++ if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, chan,
++ channel_type)) {
+ printk(KERN_DEBUG
+ "cfg80211: Secondary channel not "
+ "allowed to initiate communication\n");
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -4684,13 +4684,41 @@ static int nl80211_join_ibss(struct sk_b
+ ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ }
+
+- ibss.channel = ieee80211_get_channel(wiphy,
+- nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
++ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
++ enum nl80211_channel_type channel_type;
++
++ channel_type = nla_get_u32(
++ info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
++ if (channel_type != NL80211_CHAN_NO_HT &&
++ channel_type != NL80211_CHAN_HT20 &&
++ channel_type != NL80211_CHAN_HT40MINUS &&
++ channel_type != NL80211_CHAN_HT40PLUS)
++ return -EINVAL;
++
++ if (channel_type != NL80211_CHAN_NO_HT &&
++ !(wiphy->features & NL80211_FEATURE_HT_IBSS))
++ return -EINVAL;
++
++ ibss.channel_type = channel_type;
++ } else {
++ ibss.channel_type = NL80211_CHAN_NO_HT;
++ }
++
++ ibss.channel = rdev_freq_to_chan(rdev,
++ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]),
++ ibss.channel_type);
+ if (!ibss.channel ||
+ ibss.channel->flags & IEEE80211_CHAN_NO_IBSS ||
+ ibss.channel->flags & IEEE80211_CHAN_DISABLED)
+ return -EINVAL;
+
++ /* Both channels should be able to initiate communication */
++ if ((ibss.channel_type == NL80211_CHAN_HT40PLUS ||
++ ibss.channel_type == NL80211_CHAN_HT40MINUS) &&
++ !cfg80211_can_beacon_sec_chan(&rdev->wiphy, ibss.channel,
++ ibss.channel_type))
++ return -EINVAL;
++
+ ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
+ ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
+--- a/include/linux/ieee80211.h
++++ b/include/linux/ieee80211.h
+@@ -1695,6 +1695,23 @@ static inline bool ieee80211_is_robust_m
+ }
+
+ /**
++ * ieee80211_is_public_action - check if frame is a public action frame
++ * @hdr: the frame
++ * @len: length of the frame
++ */
++static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
++ size_t len)
++{
++ struct ieee80211_mgmt *mgmt = (void *)hdr;
++
++ if (len < 25)
++ return false;
++ if (!ieee80211_is_action(hdr->frame_control))
++ return false;
++ return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
++}
++
++/**
+ * ieee80211_fhss_chan_to_freq - get channel frequency
+ * @channel: the FHSS channel
+ *
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -1332,8 +1332,11 @@ static int invoke_tx_handlers(struct iee
+ if (!(tx->local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL))
+ CALL_TXH(ieee80211_tx_h_rate_ctrl);
+
+- if (unlikely(info->flags & IEEE80211_TX_INTFL_RETRANSMISSION))
++ if (unlikely(info->flags & IEEE80211_TX_INTFL_RETRANSMISSION)) {
++ __skb_queue_tail(&tx->skbs, tx->skb);
++ tx->skb = NULL;
+ goto txh_done;
++ }
+
+ CALL_TXH(ieee80211_tx_h_michael_mic_add);
+ CALL_TXH(ieee80211_tx_h_sequence);
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -851,6 +851,7 @@ static int __must_check __sta_info_destr
+ struct ieee80211_sub_if_data *sdata;
+ unsigned long flags;
+ int ret, i, ac;
++ struct tid_ampdu_tx *tid_tx;
+
+ might_sleep();
+
+@@ -949,6 +950,30 @@ static int __must_check __sta_info_destr
+ }
+ #endif
+
++ /* There could be some memory leaks because of ampdu tx pending queue
++ * not being freed before destroying the station info.
++ *
++ * Make sure that such queues are purged before freeing the station
++ * info.
++ * TODO: We have to somehow postpone the full destruction
++ * until the aggregation stop completes. Refer
++ * http://thread.gmane.org/gmane.linux.kernel.wireless.general/81936
++ */
++ for (i = 0; i < STA_TID_NUM; i++) {
++ if (!sta->ampdu_mlme.tid_tx[i])
++ continue;
++ tid_tx = sta->ampdu_mlme.tid_tx[i];
++ if (skb_queue_len(&tid_tx->pending)) {
++#ifdef CONFIG_MAC80211_HT_DEBUG
++ wiphy_debug(local->hw.wiphy, "TX A-MPDU purging %d "
++ "packets for tid=%d\n",
++ skb_queue_len(&tid_tx->pending), i);
++#endif /* CONFIG_MAC80211_HT_DEBUG */
++ __skb_queue_purge(&tid_tx->pending);
++ }
++ kfree_rcu(tid_tx, rcu_head);
++ }
++
+ __sta_info_free(local, sta);
+
+ return 0;
projects / openwrt.git / blobdiff