+--- 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 *
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;
}
fastcc = false;
if (!ath_prepare_reset(sc, retry_tx, flush))
-@@ -882,82 +883,6 @@ chip_reset:
+@@ -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 int ath_reset(struct ath_softc *sc, bool retry_tx)
{
int r;
-@@ -1093,6 +1018,9 @@ static int ath9k_start(struct ieee80211_
+@@ -1097,6 +1025,9 @@ static int ath9k_start(struct ieee80211_
* and then setup of the interrupt mask.
*/
spin_lock_bh(&sc->sc_pcu_lock);
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_
+@@ -1138,6 +1069,18 @@ static int ath9k_start(struct ieee80211_
goto mutex_unlock;
}
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
+@@ -1183,6 +1126,13 @@ static void ath9k_tx(struct ieee80211_hw
}
}
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_
+@@ -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);
mutex_lock(&sc->mutex);
-@@ -1252,35 +1200,45 @@ static void ath9k_stop(struct ieee80211_
+@@ -1259,35 +1210,45 @@ static void ath9k_stop(struct ieee80211_
* before setting the invalid flag. */
ath9k_hw_disable_interrupts(ah);
mutex_unlock(&sc->mutex);
-@@ -1620,8 +1578,8 @@ static int ath9k_config(struct ieee80211
+@@ -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;
mutex_lock(&sc->mutex);
/*
-@@ -1632,13 +1590,8 @@ static int ath9k_config(struct ieee80211
+@@ -1639,13 +1600,8 @@ static int ath9k_config(struct ieee80211
*/
if (changed & IEEE80211_CONF_CHANGE_IDLE) {
sc->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE);
}
/*
-@@ -1745,18 +1698,12 @@ static int ath9k_config(struct ieee80211
+@@ -1678,7 +1634,6 @@ static int ath9k_config(struct ieee80211
+
+ if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+ struct ieee80211_channel *curchan = hw->conf.channel;
+- struct ath9k_channel old_chan;
+ int pos = curchan->hw_value;
+ int old_pos = -1;
+ unsigned long flags;
+@@ -1704,11 +1659,8 @@ static int ath9k_config(struct ieee80211
+ * Preserve the current channel values, before updating
+ * the same channel
+ */
+- if (old_pos == pos) {
+- memcpy(&old_chan, &sc->sc_ah->channels[pos],
+- sizeof(struct ath9k_channel));
+- ah->curchan = &old_chan;
+- }
++ if (ah->curchan && (old_pos == pos))
++ ath9k_hw_getnf(ah, ah->curchan);
+
+ ath9k_cmn_update_ichannel(&sc->sc_ah->channels[pos],
+ curchan, conf->channel_type);
+@@ -1752,18 +1704,12 @@ static int ath9k_config(struct ieee80211
ath_dbg(common, ATH_DBG_CONFIG,
"Set power: %d\n", conf->power_level);
sc->config.txpowlimit = 2 * conf->power_level;
return 0;
}
-@@ -2324,9 +2271,6 @@ static void ath9k_flush(struct ieee80211
+@@ -2331,9 +2277,6 @@ static void ath9k_flush(struct ieee80211
return;
}
for (j = 0; j < timeout; j++) {
bool npend = false;
-@@ -2344,21 +2288,22 @@ static void ath9k_flush(struct ieee80211
+@@ -2351,21 +2294,22 @@ static void ath9k_flush(struct ieee80211
}
if (!npend)
--- 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
+@@ -1954,7 +1954,7 @@ static void ath_tx_complete(struct ath_s
skb_pull(skb, padsize);
}
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
-@@ -1130,6 +1130,7 @@ 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;
-@@ -3292,6 +3293,16 @@ void cfg80211_report_obss_beacon(struct
+@@ -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
-@@ -182,6 +182,10 @@ 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
-@@ -79,10 +79,13 @@ static void ieee80211_send_addba_request
+@@ -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 ||
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ACTION);
-@@ -394,7 +397,9 @@ int ieee80211_start_tx_ba_session(struct
+@@ -319,6 +324,38 @@ ieee80211_wake_queue_agg(struct ieee8021
+ __release(agg_queue);
+ }
+
++/*
++ * splice packets from the STA's pending to the local pending,
++ * requires a call to ieee80211_agg_splice_finish later
++ */
++static void __acquires(agg_queue)
++ieee80211_agg_splice_packets(struct ieee80211_local *local,
++ struct tid_ampdu_tx *tid_tx, u16 tid)
++{
++ int queue = ieee80211_ac_from_tid(tid);
++ unsigned long flags;
++
++ ieee80211_stop_queue_agg(local, tid);
++
++ if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates"
++ " from the pending queue\n", tid))
++ return;
++
++ if (!skb_queue_empty(&tid_tx->pending)) {
++ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
++ /* copy over remaining packets */
++ skb_queue_splice_tail_init(&tid_tx->pending,
++ &local->pending[queue]);
++ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
++ }
++}
++
++static void __releases(agg_queue)
++ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid)
++{
++ ieee80211_wake_queue_agg(local, tid);
++}
++
+ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
+ {
+ struct tid_ampdu_tx *tid_tx;
+@@ -330,19 +367,17 @@ void ieee80211_tx_ba_session_handle_star
+ tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
+
+ /*
+- * While we're asking the driver about the aggregation,
+- * stop the AC queue so that we don't have to worry
+- * about frames that came in while we were doing that,
+- * which would require us to put them to the AC pending
+- * afterwards which just makes the code more complex.
++ * Start queuing up packets for this aggregation session.
++ * We're going to release them once the driver is OK with
++ * that.
+ */
+- ieee80211_stop_queue_agg(local, tid);
+-
+ clear_bit(HT_AGG_STATE_WANT_START, &tid_tx->state);
+
+ /*
+- * make sure no packets are being processed to get
+- * valid starting sequence number
++ * Make sure no packets are being processed. This ensures that
++ * we have a valid starting sequence number and that in-flight
++ * packets have been flushed out and no packets for this TID
++ * will go into the driver during the ampdu_action call.
+ */
+ synchronize_net();
+
+@@ -356,10 +391,11 @@ void ieee80211_tx_ba_session_handle_star
+ " tid %d\n", tid);
+ #endif
+ spin_lock_bh(&sta->lock);
++ ieee80211_agg_splice_packets(local, tid_tx, tid);
+ ieee80211_assign_tid_tx(sta, tid, NULL);
++ ieee80211_agg_splice_finish(local, tid);
+ spin_unlock_bh(&sta->lock);
+
+- ieee80211_wake_queue_agg(local, tid);
+ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,40))
+ kfree_rcu(tid_tx, rcu_head);
+ #else
+@@ -368,9 +404,6 @@ void ieee80211_tx_ba_session_handle_star
+ return;
+ }
+
+- /* we can take packets again now */
+- ieee80211_wake_queue_agg(local, tid);
+-
+ /* activate the timer for the recipient's addBA response */
+ mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL);
+ #ifdef CONFIG_MAC80211_HT_DEBUG
+@@ -437,7 +470,9 @@ int ieee80211_start_tx_ba_session(struct
if (sdata->vif.type != NL80211_IFTYPE_STATION &&
sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
- sdata->vif.type != NL80211_IFTYPE_AP)
+ sdata->vif.type != NL80211_IFTYPE_AP &&
-+ sdata->vif.type != NL80211_IFTYPE_ADHOC &&
-+ sdata->vif.type != NL80211_IFTYPE_WDS)
++ sdata->vif.type != NL80211_IFTYPE_WDS &&
++ sdata->vif.type != NL80211_IFTYPE_ADHOC)
return -EINVAL;
if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) {
+@@ -448,6 +483,27 @@ int ieee80211_start_tx_ba_session(struct
+ return -EINVAL;
+ }
+
++ /*
++ * 802.11n-2009 11.5.1.1: If the initiating STA is an HT STA, is a
++ * member of an IBSS, and has no other existing Block Ack agreement
++ * with the recipient STA, then the initiating STA shall transmit a
++ * Probe Request frame to the recipient STA and shall not transmit an
++ * ADDBA Request frame unless it receives a Probe Response frame
++ * from the recipient within dot11ADDBAFailureTimeout.
++ *
++ * The probe request mechanism for ADDBA is currently not implemented,
++ * but we only build up Block Ack session with HT STAs. This information
++ * is set when we receive a bss info from a probe response or a beacon.
++ */
++ if (sta->sdata->vif.type == NL80211_IFTYPE_ADHOC &&
++ !sta->sta.ht_cap.ht_supported) {
++#ifdef CONFIG_MAC80211_HT_DEBUG
++ printk(KERN_DEBUG "BA request denied - IBSS STA %pM"
++ "does not advertise HT support\n", pubsta->addr);
++#endif /* CONFIG_MAC80211_HT_DEBUG */
++ return -EINVAL;
++ }
++
+ spin_lock_bh(&sta->lock);
+
+ /* we have tried too many times, receiver does not want A-MPDU */
+@@ -508,38 +564,6 @@ int ieee80211_start_tx_ba_session(struct
+ }
+ EXPORT_SYMBOL(ieee80211_start_tx_ba_session);
+
+-/*
+- * splice packets from the STA's pending to the local pending,
+- * requires a call to ieee80211_agg_splice_finish later
+- */
+-static void __acquires(agg_queue)
+-ieee80211_agg_splice_packets(struct ieee80211_local *local,
+- struct tid_ampdu_tx *tid_tx, u16 tid)
+-{
+- int queue = ieee80211_ac_from_tid(tid);
+- unsigned long flags;
+-
+- ieee80211_stop_queue_agg(local, tid);
+-
+- if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates"
+- " from the pending queue\n", tid))
+- return;
+-
+- if (!skb_queue_empty(&tid_tx->pending)) {
+- spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+- /* copy over remaining packets */
+- skb_queue_splice_tail_init(&tid_tx->pending,
+- &local->pending[queue]);
+- spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+- }
+-}
+-
+-static void __releases(agg_queue)
+-ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid)
+-{
+- ieee80211_wake_queue_agg(local, tid);
+-}
+-
+ static void ieee80211_agg_tx_operational(struct ieee80211_local *local,
+ struct sta_info *sta, u16 tid)
+ {
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil
test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
int res = scnprintf(buf, sizeof(buf),
-- "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
-+ "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+- "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
++ "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
TEST(PS_DRIVER), TEST(AUTHORIZED),
- TEST(SHORT_PREAMBLE), TEST(ASSOC_AP),
+ TEST(SHORT_PREAMBLE),
- TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
+ TEST(WME), TEST(CLEAR_PS_FILT),
TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
TEST(TDLS_PEER_AUTH));
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
-@@ -201,6 +201,8 @@ void ieee80211_send_delba(struct ieee802
+@@ -47,7 +47,9 @@ void ieee80211_apply_htcap_overrides(str
+ int i;
+
+ if (sdata->vif.type != NL80211_IFTYPE_STATION) {
+- WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
++ /* AP interfaces call this code when adding new stations,
++ * so just silently ignore non station interfaces.
++ */
+ return;
+ }
+
+@@ -282,6 +284,8 @@ void ieee80211_send_delba(struct ieee802
memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
else if (sdata->vif.type == NL80211_IFTYPE_STATION)
memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
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
+@@ -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;
-@@ -195,6 +216,7 @@ 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);
-@@ -268,6 +290,7 @@ 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],
-@@ -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);
-+
+@@ -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 */
-+ 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();
}
-@@ -898,10 +957,15 @@ 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 */ +
}
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
-@@ -470,6 +470,7 @@ struct ieee80211_if_ibss {
+@@ -474,6 +474,7 @@ struct ieee80211_if_ibss {
u8 ssid_len, ie_len;
u8 *ie;
struct ieee80211_channel *channel;
err_stop:
if (!local->open_count)
drv_stop(local);
-@@ -732,6 +709,70 @@ 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 =
-@@ -836,6 +877,9 @@ 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/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/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
-@@ -2250,7 +2250,9 @@ 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 */
-@@ -2465,13 +2467,14 @@ 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):
-@@ -2818,10 +2821,16 @@ static int prepare_for_handlers(struct i
+@@ -2796,19 +2799,32 @@ static int prepare_for_handlers(struct i
+ return 0;
+ } else if (!ieee80211_bssid_match(bssid,
+ sdata->vif.addr)) {
++ /*
++ * Accept public action frames even when the
++ * BSSID doesn't match, this is used for P2P
++ * and location updates. Note that mac80211
++ * itself never looks at these frames.
++ */
+ if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) &&
+- !ieee80211_is_beacon(hdr->frame_control) &&
+- !(ieee80211_is_action(hdr->frame_control) &&
+- sdata->vif.p2p))
++ ieee80211_is_public_action(hdr, skb->len))
++ return 1;
++ if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) &&
++ !ieee80211_is_beacon(hdr->frame_control))
+ return 0;
+ status->rx_flags &= ~IEEE80211_RX_RA_MATCH;
}
break;
case NL80211_IFTYPE_WDS:
/* 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.
-@@ -62,7 +61,6 @@ 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_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
-@@ -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
-@@ -4604,13 +4604,34 @@ 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;
ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
+--- a/include/linux/ieee80211.h
++++ b/include/linux/ieee80211.h
+@@ -1695,6 +1695,23 @@ static inline bool ieee80211_is_robust_m
+ }
+
+ /**
++ * ieee80211_is_public_action - check if frame is a public action frame
++ * @hdr: the frame
++ * @len: length of the frame
++ */
++static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
++ size_t len)
++{
++ struct ieee80211_mgmt *mgmt = (void *)hdr;
++
++ if (len < 25)
++ return false;
++ if (!ieee80211_is_action(hdr->frame_control))
++ return false;
++ return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
++}
++
++/**
+ * ieee80211_fhss_chan_to_freq - get channel frequency
+ * @channel: the FHSS channel
+ *
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -1332,8 +1332,11 @@ static int invoke_tx_handlers(struct iee
+ if (!(tx->local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL))
+ CALL_TXH(ieee80211_tx_h_rate_ctrl);
+
+- if (unlikely(info->flags & IEEE80211_TX_INTFL_RETRANSMISSION))
++ if (unlikely(info->flags & IEEE80211_TX_INTFL_RETRANSMISSION)) {
++ __skb_queue_tail(&tx->skbs, tx->skb);
++ tx->skb = NULL;
+ goto txh_done;
++ }
+
+ CALL_TXH(ieee80211_tx_h_michael_mic_add);
+ CALL_TXH(ieee80211_tx_h_sequence);
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -851,6 +851,7 @@ static int __must_check __sta_info_destr
+ struct ieee80211_sub_if_data *sdata;
+ unsigned long flags;
+ int ret, i, ac;
++ struct tid_ampdu_tx *tid_tx;
+
+ might_sleep();
+
+@@ -949,6 +950,30 @@ static int __must_check __sta_info_destr
+ }
+ #endif
+
++ /* There could be some memory leaks because of ampdu tx pending queue
++ * not being freed before destroying the station info.
++ *
++ * Make sure that such queues are purged before freeing the station
++ * info.
++ * TODO: We have to somehow postpone the full destruction
++ * until the aggregation stop completes. Refer
++ * http://thread.gmane.org/gmane.linux.kernel.wireless.general/81936
++ */
++ for (i = 0; i < STA_TID_NUM; i++) {
++ if (!sta->ampdu_mlme.tid_tx[i])
++ continue;
++ tid_tx = sta->ampdu_mlme.tid_tx[i];
++ if (skb_queue_len(&tid_tx->pending)) {
++#ifdef CONFIG_MAC80211_HT_DEBUG
++ wiphy_debug(local->hw.wiphy, "TX A-MPDU purging %d "
++ "packets for tid=%d\n",
++ skb_queue_len(&tid_tx->pending), i);
++#endif /* CONFIG_MAC80211_HT_DEBUG */
++ __skb_queue_purge(&tid_tx->pending);
++ }
++ kfree_rcu(tid_tx, rcu_head);
++ }
++
+ __sta_info_free(local, sta);
+
+ return 0;
+--- a/drivers/net/wireless/ath/ath9k/calib.c
++++ b/drivers/net/wireless/ath/ath9k/calib.c
+@@ -402,6 +402,7 @@ bool ath9k_hw_getnf(struct ath_hw *ah, s
+ ah->noise = ath9k_hw_getchan_noise(ah, chan);
+ return true;
+ }
++EXPORT_SYMBOL(ath9k_hw_getnf);
+
+ void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
+ struct ath9k_channel *chan)
projects / openwrt.git / blobdiff