+--- 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))
+@@ -882,82 +883,6 @@ 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;
+@@ -1093,6 +1018,9 @@ 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,
+@@ -1131,6 +1059,18 @@ 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) &&
+@@ -1176,6 +1116,13 @@ 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
+@@ -1222,6 +1169,7 @@ 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);
+
+@@ -1252,35 +1200,45 @@ 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);
+
+@@ -1620,8 +1578,8 @@ 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);
+
+ /*
+@@ -1632,13 +1590,8 @@ 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);
+ }
+
+ /*
+@@ -1745,18 +1698,12 @@ 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;
+ }
+@@ -2324,9 +2271,6 @@ static void ath9k_flush(struct ieee80211
+ return;
+ }
+
+- if (drop)
+- timeout = 1;
+-
+ for (j = 0; j < timeout; j++) {
+ bool npend = false;
+
+@@ -2344,21 +2288,22 @@ 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
+@@ -179,6 +179,11 @@ static void ath_tx_flush_tid(struct ath_
+ spin_lock_bh(&txq->axq_lock);
+ }
+
++ if (tid->baw_head == tid->baw_tail) {
++ tid->state &= ~AGGR_ADDBA_COMPLETE;
++ tid->state &= ~AGGR_CLEANUP;
++ }
++
+ spin_unlock_bh(&txq->axq_lock);
+ }
+
+@@ -556,15 +561,9 @@ static void ath_tx_complete_aggr(struct
+ spin_unlock_bh(&txq->axq_lock);
+ }
+
+- if (tid->state & AGGR_CLEANUP) {
++ if (tid->state & AGGR_CLEANUP)
+ ath_tx_flush_tid(sc, tid);
+
+- if (tid->baw_head == tid->baw_tail) {
+- tid->state &= ~AGGR_ADDBA_COMPLETE;
+- tid->state &= ~AGGR_CLEANUP;
+- }
+- }
+-
+ rcu_read_unlock();
+
+ if (needreset) {
+@@ -1955,7 +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/net/cfg80211.h
++++ b/include/net/cfg80211.h
+@@ -1130,6 +1130,7 @@ 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;
+@@ -3292,6 +3293,16 @@ 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
++ * @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);
++
+ /* 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
-@@ -184,6 +184,8 @@ static void ieee80211_send_addba_resp(st
+@@ -182,6 +182,10 @@ 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);
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ACTION);
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
-@@ -79,7 +79,8 @@ static void ieee80211_send_addba_request
- memcpy(mgmt->da, da, ETH_ALEN);
+@@ -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)
memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
-@@ -398,7 +399,8 @@ int ieee80211_start_tx_ba_session(struct
- */
++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
+
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_ACTION);
+@@ -394,7 +397,9 @@ 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)
return -EINVAL;
- if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) {
+ if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) {
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
-@@ -59,7 +59,7 @@ static ssize_t sta_flags_read(struct fil
- char buf[100];
- struct sta_info *sta = file->private_data;
- u32 staflags = get_sta_flags(sta);
-- int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s",
-+ int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s",
- staflags & WLAN_STA_AUTH ? "AUTH\n" : "",
- staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
- staflags & WLAN_STA_PS_STA ? "PS (sta)\n" : "",
-@@ -67,7 +67,6 @@ static ssize_t sta_flags_read(struct fil
- staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
- staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
- staflags & WLAN_STA_WME ? "WME\n" : "",
-- staflags & WLAN_STA_WDS ? "WDS\n" : "",
- staflags & WLAN_STA_MFP ? "MFP\n" : "");
- return simple_read_from_buffer(userbuf, count, ppos, buf, res);
- }
+@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil
+ test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
+
+ int res = scnprintf(buf, sizeof(buf),
+- "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
++ "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+ TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
+ TEST(PS_DRIVER), TEST(AUTHORIZED),
+ TEST(SHORT_PREAMBLE), TEST(ASSOC_AP),
+- 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
+@@ -201,6 +201,8 @@ void ieee80211_send_delba(struct ieee802
+ memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
+ else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
+
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_ACTION);
+--- a/net/mac80211/ibss.c
++++ b/net/mac80211/ibss.c
+@@ -77,6 +77,7 @@ static void __ieee80211_sta_join_ibss(st
+ struct cfg80211_bss *bss;
+ u32 bss_change;
+ u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
++ enum nl80211_channel_type channel_type;
+
+ lockdep_assert_held(&ifibss->mtx);
+
+@@ -105,8 +106,16 @@ static void __ieee80211_sta_join_ibss(st
+
+ sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0;
+
+- local->oper_channel = chan;
+- WARN_ON(!ieee80211_set_channel_type(local, sdata, NL80211_CHAN_NO_HT));
++ channel_type = ifibss->channel_type;
++ if (channel_type > NL80211_CHAN_HT20 &&
++ !cfg80211_can_beacon_sec_chan(local->hw.wiphy, chan, channel_type))
++ channel_type = NL80211_CHAN_HT20;
++ if (!ieee80211_set_channel_type(local, sdata, channel_type)) {
++ /* can only fail due to HT40+/- mismatch */
++ channel_type = NL80211_CHAN_HT20;
++ WARN_ON(!ieee80211_set_channel_type(local, sdata,
++ NL80211_CHAN_HT20));
++ }
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+
+ sband = local->hw.wiphy->bands[chan->band];
+@@ -172,6 +181,18 @@ static void __ieee80211_sta_join_ibss(st
+ memcpy(skb_put(skb, ifibss->ie_len),
+ ifibss->ie, ifibss->ie_len);
+
++ /* add HT capability and information IEs */
++ if (channel_type && sband->ht_cap.ht_supported) {
++ pos = skb_put(skb, 4 +
++ sizeof(struct ieee80211_ht_cap) +
++ sizeof(struct ieee80211_ht_info));
++ pos = ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap);
++ pos = ieee80211_ie_build_ht_info(pos,
++ &sband->ht_cap,
++ chan,
++ channel_type);
++ }
++
+ if (local->hw.queues >= 4) {
+ pos = skb_put(skb, 9);
+ *pos++ = WLAN_EID_VENDOR_SPECIFIC;
+@@ -195,6 +216,7 @@ 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 +290,7 @@ 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];
+
+ if (elems->ds_params && elems->ds_params_len == 1)
+ freq = ieee80211_channel_to_frequency(elems->ds_params[0],
+@@ -277,7 +300,10 @@ 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 &&
+@@ -315,8 +341,41 @@ 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);
++
++ /* 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);
++ }
++ }
++ }
+
+ rcu_read_unlock();
+ }
+@@ -898,10 +957,15 @@ int ieee80211_ibss_join(struct ieee80211
+ struct sk_buff *skb;
+
+ 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) {
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -470,6 +470,7 @@ 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_
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);
- goto err_del_interface;
- }
-
-- /* no locking required since STA is not live yet */
-- sta->flags |= WLAN_STA_AUTHORIZED;
+- /* no atomic bitop required since STA is not live yet */
+- set_sta_flag(sta, WLAN_STA_AUTHORIZED);
-
- res = sta_info_insert(sta);
- if (res) {
/*
* set_multicast_list will be invoked by the networking core
* which will check whether any increments here were done in
-@@ -344,8 +322,7 @@ static int ieee80211_do_open(struct net_
+@@ -356,8 +334,7 @@ static int ieee80211_do_open(struct net_
netif_tx_start_all_queues(dev);
return 0;
- err_del_interface:
-- drv_remove_interface(local, &sdata->vif);
+- drv_remove_interface(local, sdata);
+
err_stop:
if (!local->open_count)
drv_stop(local);
-@@ -718,6 +695,70 @@ static void ieee80211_if_setup(struct ne
+@@ -732,6 +709,70 @@ static void ieee80211_if_setup(struct ne
dev->destructor = free_netdev;
}
+ elems.ht_cap_elem, &sta->sta.ht_cap);
+
+ if (elems.wmm_param)
-+ set_sta_flags(sta, WLAN_STA_WME);
++ set_sta_flag(sta, WLAN_STA_WME);
+
+ if (new) {
-+ sta->flags = WLAN_STA_AUTHORIZED;
++ set_sta_flag(sta, WLAN_STA_AUTHORIZED);
+ rate_control_rate_init(sta);
+ sta_info_insert_rcu(sta);
+ }
static void ieee80211_iface_work(struct work_struct *work)
{
struct ieee80211_sub_if_data *sdata =
-@@ -822,6 +863,9 @@ static void ieee80211_iface_work(struct
+@@ -836,6 +877,9 @@ 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/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -1359,9 +1359,6 @@ static void __ieee80211_connection_loss(
+ ieee80211_set_disassoc(sdata, true, true);
+ mutex_unlock(&ifmgd->mtx);
+
+- mutex_lock(&local->mtx);
+- ieee80211_recalc_idle(local);
+- mutex_unlock(&local->mtx);
+ /*
+ * must be outside lock due to cfg80211,
+ * but that's not a problem.
+@@ -1370,6 +1367,10 @@ static void __ieee80211_connection_loss(
+ IEEE80211_STYPE_DEAUTH,
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
+ NULL, true);
++
++ mutex_lock(&local->mtx);
++ ieee80211_recalc_idle(local);
++ mutex_unlock(&local->mtx);
+ }
+
+ void ieee80211_beacon_connection_loss_work(struct work_struct *work)
+@@ -2136,9 +2137,6 @@ static void ieee80211_sta_connection_los
+
+ ieee80211_set_disassoc(sdata, true, true);
+ mutex_unlock(&ifmgd->mtx);
+- mutex_lock(&local->mtx);
+- ieee80211_recalc_idle(local);
+- mutex_unlock(&local->mtx);
+ /*
+ * must be outside lock due to cfg80211,
+ * but that's not a problem.
+@@ -2146,6 +2144,11 @@ static void ieee80211_sta_connection_los
+ ieee80211_send_deauth_disassoc(sdata, bssid,
+ IEEE80211_STYPE_DEAUTH, reason,
+ NULL, true);
++
++ mutex_lock(&local->mtx);
++ ieee80211_recalc_idle(local);
++ mutex_unlock(&local->mtx);
++
+ mutex_lock(&ifmgd->mtx);
+ }
+
+--- a/net/mac80211/offchannel.c
++++ b/net/mac80211/offchannel.c
+@@ -212,8 +212,6 @@ static void ieee80211_hw_roc_start(struc
+ return;
+ }
+
+- ieee80211_recalc_idle(local);
+-
+ if (local->hw_roc_skb) {
+ sdata = IEEE80211_DEV_TO_SUB_IF(local->hw_roc_dev);
+ ieee80211_tx_skb(sdata, local->hw_roc_skb);
+@@ -227,6 +225,8 @@ static void ieee80211_hw_roc_start(struc
+ GFP_KERNEL);
+ }
+
++ ieee80211_recalc_idle(local);
++
+ mutex_unlock(&local->mtx);
+ }
+
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
-@@ -2160,7 +2160,8 @@ ieee80211_rx_h_action(struct ieee80211_r
- */
+@@ -2250,7 +2250,9 @@ 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)
break;
/* verify action_code is present */
-@@ -2375,13 +2376,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+@@ -2465,13 +2467,14 @@ 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):
-@@ -2724,10 +2726,16 @@ static int prepare_for_handlers(struct i
+@@ -2818,10 +2821,16 @@ 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
-@@ -31,7 +31,6 @@
+@@ -32,7 +32,6 @@
* 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_CLEAR_PS_FILT: Clear PS filter in hardware (using the
* IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
* frame to this station is transmitted.
-@@ -54,7 +53,6 @@ enum ieee80211_sta_info_flags {
- WLAN_STA_SHORT_PREAMBLE = 1<<4,
- WLAN_STA_ASSOC_AP = 1<<5,
- WLAN_STA_WME = 1<<6,
-- WLAN_STA_WDS = 1<<7,
- WLAN_STA_CLEAR_PS_FILT = 1<<9,
- WLAN_STA_MFP = 1<<10,
- WLAN_STA_BLOCK_BA = 1<<11,
---- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
-@@ -671,7 +671,7 @@ static int ar9003_hw_process_ini(struct
- REG_WRITE_ARRAY(&ah->iniModesAdditional,
- modesIndex, regWrites);
-
-- if (AR_SREV_9300(ah))
-+ if (AR_SREV_9330(ah))
- REG_WRITE_ARRAY(&ah->iniModesAdditional, 1, regWrites);
-
- if (AR_SREV_9340(ah) && !ah->is_clk_25mhz)
---- a/drivers/net/wireless/ath/ath9k/hw.c
-+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -997,8 +997,14 @@ void ath9k_hw_init_global_settings(struc
- slottime = 21;
- sifstime = 64;
- } else {
-- eifs = REG_READ(ah, AR_D_GBL_IFS_EIFS)/common->clockrate;
-- reg = REG_READ(ah, AR_USEC);
-+ if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah)) {
-+ eifs = AR_D_GBL_IFS_EIFS_ASYNC_FIFO;
-+ reg = AR_USEC_ASYNC_FIFO;
-+ } else {
-+ eifs = REG_READ(ah, AR_D_GBL_IFS_EIFS)/
-+ common->clockrate;
-+ reg = REG_READ(ah, AR_USEC);
-+ }
- rx_lat = MS(reg, AR_USEC_RX_LAT);
- tx_lat = MS(reg, AR_USEC_TX_LAT);
-
---- a/drivers/net/wireless/ath/ath9k/reg.h
-+++ b/drivers/net/wireless/ath/ath9k/reg.h
-@@ -619,6 +619,7 @@
- #define AR_D_GBL_IFS_EIFS 0x10b0
- #define AR_D_GBL_IFS_EIFS_M 0x0000FFFF
- #define AR_D_GBL_IFS_EIFS_RESV0 0xFFFF0000
-+#define AR_D_GBL_IFS_EIFS_ASYNC_FIFO 363
-
- #define AR_D_GBL_IFS_MISC 0x10f0
- #define AR_D_GBL_IFS_MISC_LFSR_SLICE_SEL 0x00000007
-@@ -1503,6 +1504,7 @@ enum {
- #define AR_USEC_TX_LAT_S 14
- #define AR_USEC_RX_LAT 0x1F800000
- #define AR_USEC_RX_LAT_S 23
-+#define AR_USEC_ASYNC_FIFO 0x12E00074
-
- #define AR_RESET_TSF 0x8020
- #define AR_RESET_TSF_ONCE 0x01000000
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -582,7 +582,10 @@ static bool ath_lookup_legacy(struct ath
- tx_info = IEEE80211_SKB_CB(skb);
- rates = tx_info->control.rates;
+@@ -62,7 +61,6 @@ enum ieee80211_sta_info_flags {
+ WLAN_STA_SHORT_PREAMBLE,
+ WLAN_STA_ASSOC_AP,
+ WLAN_STA_WME,
+- WLAN_STA_WDS,
+ WLAN_STA_CLEAR_PS_FILT,
+ WLAN_STA_MFP,
+ WLAN_STA_BLOCK_BA,
+--- a/net/wireless/chan.c
++++ b/net/wireless/chan.c
+@@ -44,9 +44,9 @@ rdev_freq_to_chan(struct cfg80211_regist
+ return chan;
+ }
-- for (i = 3; i >= 0; i--) {
-+ for (i = 0; i < 4; i++) {
-+ if (!rates[i].count || rates[i].idx < 0)
-+ break;
-+
- if (!(rates[i].flags & IEEE80211_TX_RC_MCS))
- return true;
+-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,
++ 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
+
+ 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 +110,8 @@ 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
+@@ -4604,13 +4604,34 @@ 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_HT40PLUS)
++ 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_RADAR ||
+ 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];
+
projects / openwrt.git / blobdiff