+--- 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 |
+@@ -332,7 +332,8 @@ static int ath_reset_internal(struct ath
+ hchan = ah->curchan;
+ }
+
+- if (fastcc && !ath9k_hw_check_alive(ah))
++ if (fastcc && (ah->chip_fullsleep ||
++ !ath9k_hw_check_alive(ah)))
+ fastcc = false;
+
+ if (!ath_prepare_reset(sc, retry_tx, flush))
+@@ -561,7 +562,6 @@ void ath_ani_calibrate(unsigned long dat
+ /* Long calibration runs independently of short calibration. */
+ if ((timestamp - common->ani.longcal_timer) >= long_cal_interval) {
+ longcal = true;
+- ath_dbg(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies);
+ common->ani.longcal_timer = timestamp;
+ }
+
+@@ -569,8 +569,6 @@ void ath_ani_calibrate(unsigned long dat
+ if (!common->ani.caldone) {
+ if ((timestamp - common->ani.shortcal_timer) >= short_cal_interval) {
+ shortcal = true;
+- ath_dbg(common, ATH_DBG_ANI,
+- "shortcal @%lu\n", jiffies);
+ common->ani.shortcal_timer = timestamp;
+ common->ani.resetcal_timer = timestamp;
+ }
+@@ -584,8 +582,9 @@ void ath_ani_calibrate(unsigned long dat
+ }
+
+ /* Verify whether we must check ANI */
+- if ((timestamp - common->ani.checkani_timer) >=
+- ah->config.ani_poll_interval) {
++ if (sc->sc_ah->config.enable_ani
++ && (timestamp - common->ani.checkani_timer) >=
++ ah->config.ani_poll_interval) {
+ aniflag = true;
+ common->ani.checkani_timer = timestamp;
+ }
+@@ -605,6 +604,11 @@ void ath_ani_calibrate(unsigned long dat
+ ah->rxchainmask, longcal);
+ }
+
++ ath_dbg(common, ATH_DBG_ANI,
++ "Calibration @%lu finished: %s %s %s, caldone: %s\n", jiffies,
++ longcal ? "long" : "", shortcal ? "short" : "",
++ aniflag ? "ani" : "", common->ani.caldone ? "true" : "false");
++
+ ath9k_ps_restore(sc);
+
+ set_timer:
+@@ -886,82 +890,6 @@ chip_reset:
+ #undef SCHED_INTR
+ }
+
+-static void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
+-{
+- struct ath_hw *ah = sc->sc_ah;
+- struct ath_common *common = ath9k_hw_common(ah);
+- struct ieee80211_channel *channel = hw->conf.channel;
+- int r;
+-
+- ath9k_ps_wakeup(sc);
+- spin_lock_bh(&sc->sc_pcu_lock);
+- atomic_set(&ah->intr_ref_cnt, -1);
+-
+- ath9k_hw_configpcipowersave(ah, false);
+-
+- if (!ah->curchan)
+- ah->curchan = ath9k_cmn_get_curchannel(sc->hw, ah);
+-
+- r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
+- if (r) {
+- ath_err(common,
+- "Unable to reset channel (%u MHz), reset status %d\n",
+- channel->center_freq, r);
+- }
+-
+- ath_complete_reset(sc, true);
+-
+- /* Enable LED */
+- ath9k_hw_cfg_output(ah, ah->led_pin,
+- AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+- ath9k_hw_set_gpio(ah, ah->led_pin, 0);
+-
+- spin_unlock_bh(&sc->sc_pcu_lock);
+-
+- ath9k_ps_restore(sc);
+-}
+-
+-void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw)
+-{
+- struct ath_hw *ah = sc->sc_ah;
+- struct ieee80211_channel *channel = hw->conf.channel;
+- int r;
+-
+- ath9k_ps_wakeup(sc);
+-
+- ath_cancel_work(sc);
+-
+- spin_lock_bh(&sc->sc_pcu_lock);
+-
+- /*
+- * Keep the LED on when the radio is disabled
+- * during idle unassociated state.
+- */
+- if (!sc->ps_idle) {
+- ath9k_hw_set_gpio(ah, ah->led_pin, 1);
+- ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
+- }
+-
+- ath_prepare_reset(sc, false, true);
+-
+- if (!ah->curchan)
+- ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
+-
+- r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
+- if (r) {
+- ath_err(ath9k_hw_common(sc->sc_ah),
+- "Unable to reset channel (%u MHz), reset status %d\n",
+- channel->center_freq, r);
+- }
+-
+- ath9k_hw_phy_disable(ah);
+-
+- ath9k_hw_configpcipowersave(ah, true);
+-
+- spin_unlock_bh(&sc->sc_pcu_lock);
+- ath9k_ps_restore(sc);
+-}
+-
+ static int ath_reset(struct ath_softc *sc, bool retry_tx)
+ {
+ int r;
+@@ -1097,6 +1025,9 @@ static int ath9k_start(struct ieee80211_
+ * and then setup of the interrupt mask.
+ */
+ spin_lock_bh(&sc->sc_pcu_lock);
++
++ atomic_set(&ah->intr_ref_cnt, -1);
++
+ r = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
+ if (r) {
+ ath_err(common,
+@@ -1138,6 +1069,18 @@ static int ath9k_start(struct ieee80211_
+ goto mutex_unlock;
+ }
+
++ if (ah->led_pin >= 0) {
++ ath9k_hw_cfg_output(ah, ah->led_pin,
++ AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
++ ath9k_hw_set_gpio(ah, ah->led_pin, 0);
++ }
++
++ /*
++ * Reset key cache to sane defaults (all entries cleared) instead of
++ * semi-random values after suspend/resume.
++ */
++ ath9k_cmn_init_crypto(sc->sc_ah);
++
+ spin_unlock_bh(&sc->sc_pcu_lock);
+
+ if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) &&
+@@ -1183,6 +1126,13 @@ static void ath9k_tx(struct ieee80211_hw
+ }
+ }
+
++ /*
++ * Cannot tx while the hardware is in full sleep, it first needs a full
++ * chip reset to recover from that
++ */
++ if (unlikely(sc->sc_ah->power_mode == ATH9K_PM_FULL_SLEEP))
++ goto exit;
++
+ if (unlikely(sc->sc_ah->power_mode != ATH9K_PM_AWAKE)) {
+ /*
+ * We are using PS-Poll and mac80211 can request TX while in
+@@ -1229,6 +1179,7 @@ static void ath9k_stop(struct ieee80211_
+ struct ath_softc *sc = hw->priv;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
++ bool prev_idle;
+
+ mutex_lock(&sc->mutex);
+
+@@ -1259,35 +1210,45 @@ static void ath9k_stop(struct ieee80211_
+ * before setting the invalid flag. */
+ ath9k_hw_disable_interrupts(ah);
+
+- if (!(sc->sc_flags & SC_OP_INVALID)) {
+- ath_drain_all_txq(sc, false);
+- ath_stoprecv(sc);
+- ath9k_hw_phy_disable(ah);
+- } else
+- sc->rx.rxlink = NULL;
++ spin_unlock_bh(&sc->sc_pcu_lock);
++
++ /* we can now sync irq and kill any running tasklets, since we already
++ * disabled interrupts and not holding a spin lock */
++ synchronize_irq(sc->irq);
++ tasklet_kill(&sc->intr_tq);
++ tasklet_kill(&sc->bcon_tasklet);
++
++ prev_idle = sc->ps_idle;
++ sc->ps_idle = true;
++
++ spin_lock_bh(&sc->sc_pcu_lock);
++
++ if (ah->led_pin >= 0) {
++ ath9k_hw_set_gpio(ah, ah->led_pin, 1);
++ ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
++ }
++
++ ath_prepare_reset(sc, false, true);
+
+ if (sc->rx.frag) {
+ dev_kfree_skb_any(sc->rx.frag);
+ sc->rx.frag = NULL;
+ }
+
+- /* disable HAL and put h/w to sleep */
+- ath9k_hw_disable(ah);
++ if (!ah->curchan)
++ ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
+
+- spin_unlock_bh(&sc->sc_pcu_lock);
++ ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
++ ath9k_hw_phy_disable(ah);
+
+- /* we can now sync irq and kill any running tasklets, since we already
+- * disabled interrupts and not holding a spin lock */
+- synchronize_irq(sc->irq);
+- tasklet_kill(&sc->intr_tq);
+- tasklet_kill(&sc->bcon_tasklet);
++ ath9k_hw_configpcipowersave(ah, true);
+
+- ath9k_ps_restore(sc);
++ spin_unlock_bh(&sc->sc_pcu_lock);
+
+- sc->ps_idle = true;
+- ath_radio_disable(sc, hw);
++ ath9k_ps_restore(sc);
+
+ sc->sc_flags |= SC_OP_INVALID;
++ sc->ps_idle = prev_idle;
+
+ mutex_unlock(&sc->mutex);
+
+@@ -1627,8 +1588,8 @@ static int ath9k_config(struct ieee80211
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ieee80211_conf *conf = &hw->conf;
+- bool disable_radio = false;
+
++ ath9k_ps_wakeup(sc);
+ mutex_lock(&sc->mutex);
+
+ /*
+@@ -1639,13 +1600,8 @@ static int ath9k_config(struct ieee80211
+ */
+ if (changed & IEEE80211_CONF_CHANGE_IDLE) {
+ sc->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE);
+- if (!sc->ps_idle) {
+- ath_radio_enable(sc, hw);
+- ath_dbg(common, ATH_DBG_CONFIG,
+- "not-idle: enabling radio\n");
+- } else {
+- disable_radio = true;
+- }
++ if (sc->ps_idle)
++ ath_cancel_work(sc);
+ }
+
+ /*
+@@ -1752,18 +1708,12 @@ static int ath9k_config(struct ieee80211
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Set power: %d\n", conf->power_level);
+ sc->config.txpowlimit = 2 * conf->power_level;
+- ath9k_ps_wakeup(sc);
+ ath9k_cmn_update_txpow(ah, sc->curtxpow,
+ sc->config.txpowlimit, &sc->curtxpow);
+- ath9k_ps_restore(sc);
+- }
+-
+- if (disable_radio) {
+- ath_dbg(common, ATH_DBG_CONFIG, "idle: disabling radio\n");
+- ath_radio_disable(sc, hw);
+ }
+
+ mutex_unlock(&sc->mutex);
++ ath9k_ps_restore(sc);
+
+ return 0;
+ }
+@@ -2331,9 +2281,6 @@ static void ath9k_flush(struct ieee80211
+ return;
+ }
+
+- if (drop)
+- timeout = 1;
+-
+ for (j = 0; j < timeout; j++) {
+ bool npend = false;
+
+@@ -2351,21 +2298,22 @@ static void ath9k_flush(struct ieee80211
+ }
+
+ if (!npend)
+- goto out;
++ break;
+ }
+
+- ath9k_ps_wakeup(sc);
+- spin_lock_bh(&sc->sc_pcu_lock);
+- drain_txq = ath_drain_all_txq(sc, false);
+- spin_unlock_bh(&sc->sc_pcu_lock);
++ if (drop) {
++ ath9k_ps_wakeup(sc);
++ spin_lock_bh(&sc->sc_pcu_lock);
++ drain_txq = ath_drain_all_txq(sc, false);
++ spin_unlock_bh(&sc->sc_pcu_lock);
+
+- if (!drain_txq)
+- ath_reset(sc, false);
++ if (!drain_txq)
++ ath_reset(sc, false);
+
+- ath9k_ps_restore(sc);
+- ieee80211_wake_queues(hw);
++ ath9k_ps_restore(sc);
++ ieee80211_wake_queues(hw);
++ }
+
+-out:
+ ieee80211_queue_delayed_work(hw, &sc->tx_complete_work, 0);
+ mutex_unlock(&sc->mutex);
+ }
+--- a/drivers/net/wireless/ath/ath9k/pci.c
++++ b/drivers/net/wireless/ath/ath9k/pci.c
+@@ -307,12 +307,11 @@ static int ath_pci_suspend(struct device
+ struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+ struct ath_softc *sc = hw->priv;
+
+- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
+-
+ /* The device has to be moved to FULLSLEEP forcibly.
+ * Otherwise the chip never moved to full sleep,
+ * when no interface is up.
+ */
++ ath9k_hw_disable(sc->sc_ah);
+ ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
+
+ return 0;
+@@ -334,22 +333,6 @@ static int ath_pci_resume(struct device
+ if ((val & 0x0000ff00) != 0)
+ pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+
+- ath9k_ps_wakeup(sc);
+- /* Enable LED */
+- ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
+- AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
+-
+- /*
+- * Reset key cache to sane defaults (all entries cleared) instead of
+- * semi-random values after suspend/resume.
+- */
+- ath9k_cmn_init_crypto(sc->sc_ah);
+- ath9k_ps_restore(sc);
+-
+- sc->ps_idle = true;
+- ath_radio_disable(sc, hw);
+-
+ return 0;
+ }
+
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -1954,7 +1954,7 @@ static void ath_tx_complete(struct ath_s
+ skb_pull(skb, padsize);
+ }
+
+- if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) {
++ if ((sc->ps_flags & PS_WAIT_FOR_TX_ACK) && !txq->axq_depth) {
+ sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK;
+ ath_dbg(common, ATH_DBG_PS,
+ "Going back to sleep after having received TX status (0x%lx)\n",
+--- a/include/linux/nl80211.h
++++ b/include/linux/nl80211.h
+@@ -2785,9 +2785,11 @@ enum nl80211_ap_sme_features {
+ * @NL80211_FEATURE_SK_TX_STATUS: This driver supports reflecting back
+ * TX status to the socket error queue when requested with the
+ * socket option.
++ * @NL80211_FEATURE_HT_IBSS: This driver supports IBSS with HT datarates.
+ */
+ enum nl80211_feature_flags {
+ NL80211_FEATURE_SK_TX_STATUS = 1 << 0,
++ NL80211_FEATURE_HT_IBSS = 1 << 1,
+ };
+
+ /**
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
-@@ -1122,6 +1122,7 @@ struct cfg80211_ibss_params {
+@@ -1149,6 +1149,7 @@ struct cfg80211_ibss_params {
u8 *ssid;
u8 *bssid;
struct ieee80211_channel *channel;
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);
+@@ -79,10 +79,13 @@ 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)
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ACTION);
-@@ -397,7 +400,9 @@ int ieee80211_start_tx_ba_session(struct
- */
+@@ -437,7 +440,9 @@ 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 +453,27 @@ 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 */
--- 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),
TEST(TDLS_PEER_AUTH));
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
-@@ -199,6 +199,8 @@ void ieee80211_send_delba(struct ieee802
+@@ -282,6 +282,8 @@ 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);
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;
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);
+ 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,
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;
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
-
- 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);
- }
+@@ -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->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 */ +
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;
}
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;
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_
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);
/*
* 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;
}
+ 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)
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;
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 &&
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
+@@ -2805,10 +2808,16 @@ static int prepare_for_handlers(struct i
}
break;
case NL80211_IFTYPE_WDS:
/* 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,
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;
- }
-
-- 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
+@@ -1612,6 +1612,11 @@ u8 *ieee80211_ie_build_ht_info(u8 *pos,
}
- 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;
-+}
-+
-+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);
+ if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
+ ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
+
-+ 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
- }
-
- /* 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);
- }
++ /*
++ * 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;
- 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 <johannes@sipsolutions.net>
+ */
+
++#include <linux/export.h>
+ #include <net/cfg80211.h>
+ #include "core.h"
+
+@@ -44,9 +45,9 @@ rdev_freq_to_chan(struct cfg80211_regist
return chan;
}
-static bool can_beacon_sec_chan(struct wiphy *wiphy,
- struct ieee80211_channel *chan,
- enum nl80211_channel_type channel_type)
-+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;
}
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:
"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]);
}
+
+ 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;
+ 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;
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