- static u64 ath9k_get_tsf(struct ieee80211_hw *hw)
---- a/drivers/net/wireless/ath/ath9k/beacon.c
-+++ b/drivers/net/wireless/ath/ath9k/beacon.c
-@@ -392,14 +392,6 @@ void ath_beacon_tasklet(unsigned long da
- tsf += TU_TO_USEC(ah->config.sw_beacon_response_time);
- tsftu = TSF_TO_TU((tsf * ATH_BCBUF) >>32, tsf * ATH_BCBUF);
- slot = (tsftu % (intval * ATH_BCBUF)) / intval;
-- /*
-- * Reverse the slot order to get slot 0 on the TBTT offset that does
-- * not require TSF adjustment and other slots adding
-- * slot/ATH_BCBUF * beacon_int to timestamp. For example, with
-- * ATH_BCBUF = 4, we process beacon slots as follows: 3 2 1 0 3 2 1 ..
-- * and slot 0 is at correct offset to TBTT.
-- */
-- slot = ATH_BCBUF - slot - 1;
- vif = sc->beacon.bslot[slot];
-
- ath_dbg(common, ATH_DBG_BEACON,
-@@ -708,7 +700,7 @@ void ath_beacon_config(struct ath_softc
- if (cur_conf->dtim_period == 0)
- cur_conf->dtim_period = 1;
-
-- switch (iftype) {
-+ switch (sc->sc_ah->opmode) {
- case NL80211_IFTYPE_AP:
- ath_beacon_config_ap(sc, cur_conf);
- break;
---- a/net/mac80211/rx.c
-+++ b/net/mac80211/rx.c
-@@ -1585,7 +1585,7 @@ ieee80211_drop_unencrypted_mgmt(struct i
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -1954,7 +1954,7 @@ static void ath_tx_complete(struct ath_s
+ skb_pull(skb, padsize);
+ }
+
+- if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) {
++ if ((sc->ps_flags & PS_WAIT_FOR_TX_ACK) && !txq->axq_depth) {
+ sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK;
+ ath_dbg(common, ATH_DBG_PS,
+ "Going back to sleep after having received TX status (0x%lx)\n",
+--- a/include/linux/nl80211.h
++++ b/include/linux/nl80211.h
+@@ -2785,9 +2785,11 @@ enum nl80211_ap_sme_features {
+ * @NL80211_FEATURE_SK_TX_STATUS: This driver supports reflecting back
+ * TX status to the socket error queue when requested with the
+ * socket option.
++ * @NL80211_FEATURE_HT_IBSS: This driver supports IBSS with HT datarates.
+ */
+ enum nl80211_feature_flags {
+ NL80211_FEATURE_SK_TX_STATUS = 1 << 0,
++ NL80211_FEATURE_HT_IBSS = 1 << 1,
+ };
+
+ /**
+--- a/include/net/cfg80211.h
++++ b/include/net/cfg80211.h
+@@ -1149,6 +1149,7 @@ struct cfg80211_ibss_params {
+ u8 *ssid;
+ u8 *bssid;
+ struct ieee80211_channel *channel;
++ enum nl80211_channel_type channel_type;
+ u8 *ie;
+ u8 ssid_len, ie_len;
+ u16 beacon_interval;
+@@ -3270,6 +3271,16 @@ void cfg80211_report_obss_beacon(struct
+ const u8 *frame, size_t len,
+ int freq, gfp_t gfp);
+
++/*
++ * cfg80211_can_beacon_sec_chan - test if ht40 on extension channel can be used
++ * @wiphy: the wiphy
++ * @chan: main channel
++ * @channel_type: HT mode
++ */
++int cfg80211_can_beacon_sec_chan(struct wiphy *wiphy,
++ struct ieee80211_channel *chan,
++ enum nl80211_channel_type channel_type);
++
+ /* Logging, debugging and troubleshooting/diagnostic helpers. */
+
+ /* wiphy_printk helpers, similar to dev_printk */
+--- a/net/mac80211/agg-rx.c
++++ b/net/mac80211/agg-rx.c
+@@ -185,6 +185,10 @@ static void ieee80211_send_addba_resp(st
+ memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
+ else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
++ else if (sdata->vif.type == NL80211_IFTYPE_WDS)
++ memcpy(mgmt->bssid, da, ETH_ALEN);
+
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_ACTION);
+--- a/net/mac80211/agg-tx.c
++++ b/net/mac80211/agg-tx.c
+@@ -55,6 +55,8 @@
+ * @ampdu_action function will be called with the action
+ * %IEEE80211_AMPDU_TX_STOP. In this case, the call must not fail,
+ * and the driver must later call ieee80211_stop_tx_ba_cb_irqsafe().
++ * Note that the sta can get destroyed before the BA tear down is
++ * complete.
+ */
+
+ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata,
+@@ -79,10 +81,13 @@ static void ieee80211_send_addba_request
+ memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
+ if (sdata->vif.type == NL80211_IFTYPE_AP ||
+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+- sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
++ sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
++ sdata->vif.type == NL80211_IFTYPE_WDS)
+ memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
+ else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
+
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_ACTION);
+@@ -319,6 +324,38 @@ ieee80211_wake_queue_agg(struct ieee8021
+ __release(agg_queue);
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