openwrt-xburst/package/mac80211/patches/300-pending_work.patch

--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -320,6 +320,10 @@ static void b43_wireless_core_exit(struc
 static int b43_wireless_core_init(struct b43_wldev *dev);
 static struct b43_wldev * b43_wireless_core_stop(struct b43_wldev *dev);
 static int b43_wireless_core_start(struct b43_wldev *dev);
+static void b43_op_bss_info_changed(struct ieee80211_hw *hw,
+				    struct ieee80211_vif *vif,
+				    struct ieee80211_bss_conf *conf,
+				    u32 changed);
 
 static int b43_ratelimit(struct b43_wl *wl)
 {
@@ -3754,14 +3758,24 @@ static int b43_op_config(struct ieee8021
 	struct ieee80211_conf *conf = &hw->conf;
 	int antenna;
 	int err = 0;
+	bool reload_bss = false;
 
 	mutex_lock(&wl->mutex);
 
+	dev = wl->current_dev;
+
 	/* Switch the band (if necessary). This might change the active core. */
 	err = b43_switch_band(wl, conf->channel);
 	if (err)
 		goto out_unlock_mutex;
-	dev = wl->current_dev;
+
+	/* Need to reload all settings if the core changed */
+	if (dev != wl->current_dev) {
+		dev = wl->current_dev;
+		changed = ~0;
+		reload_bss = true;
+	}
+
 	phy = &dev->phy;
 
 	if (conf_is_ht(conf))
@@ -3822,6 +3836,9 @@ out_mac_enable:
 out_unlock_mutex:
 	mutex_unlock(&wl->mutex);
 
+	if (wl->vif && reload_bss)
+		b43_op_bss_info_changed(hw, wl->vif, &wl->vif->bss_conf, ~0);
+
 	return err;
 }
 
@@ -3910,7 +3927,8 @@ static void b43_op_bss_info_changed(stru
 	if (changed & BSS_CHANGED_BEACON_INT &&
 	    (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
 	     b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) ||
-	     b43_is_mode(wl, NL80211_IFTYPE_ADHOC)))
+	     b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) &&
+	    conf->beacon_int)
 		b43_set_beacon_int(dev, conf->beacon_int);
 
 	if (changed & BSS_CHANGED_BASIC_RATES)
@@ -4691,6 +4709,9 @@ static int b43_op_add_interface(struct i
  out_mutex_unlock:
 	mutex_unlock(&wl->mutex);
 
+	if (err == 0)
+		b43_op_bss_info_changed(hw, vif, &vif->bss_conf, ~0);
+
 	return err;
 }
 
@@ -4761,6 +4782,9 @@ static int b43_op_start(struct ieee80211
  out_mutex_unlock:
 	mutex_unlock(&wl->mutex);
 
+	/* reload configuration */
+	b43_op_config(hw, ~0);
+
 	return err;
 }
 
@@ -4917,10 +4941,18 @@ out:
 	if (err)
 		wl->current_dev = NULL; /* Failed to init the dev. */
 	mutex_unlock(&wl->mutex);
-	if (err)
+
+	if (err) {
 		b43err(wl, "Controller restart FAILED\n");
-	else
-		b43info(wl, "Controller restarted\n");
+		return;
+	}
+
+	/* reload configuration */
+	b43_op_config(wl->hw, ~0);
+	if (wl->vif)
+		b43_op_bss_info_changed(wl->hw, wl->vif, &wl->vif->bss_conf, ~0);
+
+	b43info(wl, "Controller restarted\n");
 }
 
 static int b43_setup_bands(struct b43_wldev *dev,
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -184,6 +184,8 @@ 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);
 
 	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);
 	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_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
 	 */
 	if (sdata->vif.type != NL80211_IFTYPE_STATION &&
 	    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
-	    sdata->vif.type != NL80211_IFTYPE_AP)
+	    sdata->vif.type != NL80211_IFTYPE_AP &&
+	    sdata->vif.type != NL80211_IFTYPE_WDS)
 		return -EINVAL;
 
 	if (test_sta_flags(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);
 }
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_local *local = sdata->local;
-	struct sta_info *sta;
 	u32 changed = 0;
 	int res;
 	u32 hw_reconf_flags = 0;
@@ -290,27 +289,6 @@ static int ieee80211_do_open(struct net_
 
 	set_bit(SDATA_STATE_RUNNING, &sdata->state);
 
-	if (sdata->vif.type == NL80211_IFTYPE_WDS) {
-		/* Create STA entry for the WDS peer */
-		sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
-				     GFP_KERNEL);
-		if (!sta) {
-			res = -ENOMEM;
-			goto err_del_interface;
-		}
-
-		/* no locking required since STA is not live yet */
-		sta->flags |= WLAN_STA_AUTHORIZED;
-
-		res = sta_info_insert(sta);
-		if (res) {
-			/* STA has been freed */
-			goto err_del_interface;
-		}
-
-		rate_control_rate_init(sta);
-	}
-
 	/*
 	 * set_multicast_list will be invoked by the networking core
 	 * which will check whether any increments here were done in
@@ -344,8 +322,7 @@ static int ieee80211_do_open(struct net_
 	netif_tx_start_all_queues(dev);
 
 	return 0;
- err_del_interface:
-	drv_remove_interface(local, &sdata->vif);
+
  err_stop:
 	if (!local->open_count)
 		drv_stop(local);
@@ -718,6 +695,70 @@ static void ieee80211_if_setup(struct ne
 	dev->destructor = free_netdev;
 }
 
+static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
+					 struct sk_buff *skb)
+{
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_rx_status *rx_status;
+	struct ieee802_11_elems elems;
+	struct ieee80211_mgmt *mgmt;
+	struct sta_info *sta;
+	size_t baselen;
+	u32 rates = 0;
+	u16 stype;
+	bool new = false;
+	enum ieee80211_band band = local->hw.conf.channel->band;
+	struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
+
+	rx_status = IEEE80211_SKB_RXCB(skb);
+	mgmt = (struct ieee80211_mgmt *) skb->data;
+	stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
+
+	if (stype != IEEE80211_STYPE_BEACON)
+		return;
+
+	baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
+	if (baselen > skb->len)
+		return;
+
+	ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
+			       skb->len - baselen, &elems);
+
+	rates = ieee80211_sta_get_rates(local, &elems, band);
+
+	rcu_read_lock();
+
+	sta = sta_info_get(sdata, sdata->u.wds.remote_addr);
+
+	if (!sta) {
+		rcu_read_unlock();
+		sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
+				     GFP_KERNEL);
+		if (!sta)
+			return;
+
+		new = true;
+	}
+
+	sta->last_rx = jiffies;
+	sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
+
+	if (elems.ht_cap_elem)
+		ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
+				elems.ht_cap_elem, &sta->sta.ht_cap);
+
+	if (elems.wmm_param)
+		set_sta_flags(sta, WLAN_STA_WME);
+
+	if (new) {
+		sta->flags = WLAN_STA_AUTHORIZED;
+		rate_control_rate_init(sta);
+		sta_info_insert_rcu(sta);
+	}
+
+	rcu_read_unlock();
+}
+
 static void ieee80211_iface_work(struct work_struct *work)
 {
 	struct ieee80211_sub_if_data *sdata =
@@ -822,6 +863,9 @@ static void ieee80211_iface_work(struct 
 				break;
 			ieee80211_mesh_rx_queued_mgmt(sdata, skb);
 			break;
+		case NL80211_IFTYPE_WDS:
+			ieee80211_wds_rx_queued_mgmt(sdata, skb);
+			break;
 		default:
 			WARN(1, "frame for unexpected interface type");
 			break;
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2147,7 +2147,8 @@ ieee80211_rx_h_action(struct ieee80211_r
 		 */
 		if (sdata->vif.type != NL80211_IFTYPE_STATION &&
 		    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
-		    sdata->vif.type != NL80211_IFTYPE_AP)
+		    sdata->vif.type != NL80211_IFTYPE_AP &&
+		    sdata->vif.type != NL80211_IFTYPE_WDS)
 			break;
 
 		/* verify action_code is present */
@@ -2345,13 +2346,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
 
 	if (!ieee80211_vif_is_mesh(&sdata->vif) &&
 	    sdata->vif.type != NL80211_IFTYPE_ADHOC &&
-	    sdata->vif.type != NL80211_IFTYPE_STATION)
+	    sdata->vif.type != NL80211_IFTYPE_STATION &&
+	    sdata->vif.type != NL80211_IFTYPE_WDS)
 		return RX_DROP_MONITOR;
 
 	switch (stype) {
 	case cpu_to_le16(IEEE80211_STYPE_BEACON):
 	case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
-		/* process for all: mesh, mlme, ibss */
+		/* process for all: mesh, mlme, ibss, wds */
 		break;
 	case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
 	case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
@@ -2692,10 +2694,16 @@ static int prepare_for_handlers(struct i
 		}
 		break;
 	case NL80211_IFTYPE_WDS:
-		if (bssid || !ieee80211_is_data(hdr->frame_control))
-			return 0;
 		if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
 			return 0;
+
+		if (ieee80211_is_data(hdr->frame_control) ||
+		    ieee80211_is_action(hdr->frame_control)) {
+			if (compare_ether_addr(sdata->vif.addr, hdr->addr1))
+				return 0;
+		} else if (!ieee80211_is_beacon(hdr->frame_control))
+			return 0;
+
 		break;
 	default:
 		/* should never get here */
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -31,7 +31,6 @@
  *	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.
@@ -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/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -551,7 +551,8 @@ static void ath_tx_complete_aggr(struct 
 		if (clear_filter)
 			tid->ac->clear_ps_filter = true;
 		list_splice(&bf_pending, &tid->buf_q);
-		ath_tx_queue_tid(txq, tid);
+		if (!an->sleeping)
+			ath_tx_queue_tid(txq, tid);
 		spin_unlock_bh(&txq->axq_lock);
 	}
 
@@ -643,8 +644,10 @@ static u32 ath_lookup_rate(struct ath_so
  * meet the minimum required mpdudensity.
  */
 static int ath_compute_num_delims(struct ath_softc *sc, struct ath_atx_tid *tid,
-				  struct ath_buf *bf, u16 frmlen)
+				  struct ath_buf *bf, u16 frmlen,
+				  bool first_subfrm)
 {
+#define FIRST_DESC_NDELIMS 60
 	struct sk_buff *skb = bf->bf_mpdu;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	u32 nsymbits, nsymbols;
@@ -667,6 +670,13 @@ static int ath_compute_num_delims(struct
 		ndelim += ATH_AGGR_ENCRYPTDELIM;
 
 	/*
+	 * Add delimiter when using RTS/CTS with aggregation
+	 * and non enterprise AR9003 card
+	 */
+	if (first_subfrm)
+		ndelim = max(ndelim, FIRST_DESC_NDELIMS);
+
+	/*
 	 * Convert desired mpdu density from microeconds to bytes based
 	 * on highest rate in rate series (i.e. first rate) to determine
 	 * required minimum length for subframe. Take into account
@@ -755,7 +765,6 @@ static enum ATH_AGGR_STATUS ath_tx_form_
 			status = ATH_AGGR_LIMITED;
 			break;
 		}
-		nframes++;
 
 		/* add padding for previous frame to aggregation length */
 		al += bpad + al_delta;
@@ -764,9 +773,11 @@ static enum ATH_AGGR_STATUS ath_tx_form_
 		 * Get the delimiters needed to meet the MPDU
 		 * density for this node.
 		 */
-		ndelim = ath_compute_num_delims(sc, tid, bf_first, fi->framelen);
+		ndelim = ath_compute_num_delims(sc, tid, bf_first, fi->framelen,
+						!nframes);
 		bpad = PADBYTES(al_delta) + (ndelim << 2);
 
+		nframes++;
 		bf->bf_next = NULL;
 		ath9k_hw_set_desc_link(sc->sc_ah, bf->bf_desc, 0);
 
@@ -1413,7 +1424,8 @@ static void ath_tx_send_ampdu(struct ath
 		 */
 		TX_STAT_INC(txctl->txq->axq_qnum, a_queued_sw);
 		list_add_tail(&bf->list, &tid->buf_q);
-		ath_tx_queue_tid(txctl->txq, tid);
+		if (!txctl->an || !txctl->an->sleeping)
+			ath_tx_queue_tid(txctl->txq, tid);
 		return;
 	}
 
@@ -1572,9 +1584,9 @@ u8 ath_txchainmask_reduction(struct ath_
 {
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath9k_channel *curchan = ah->curchan;
-	if ((sc->sc_flags & SC_OP_ENABLE_APM) &&
-			(curchan->channelFlags & CHANNEL_5GHZ) &&
-			(chainmask == 0x7) && (rate < 0x90))
+	if ((ah->caps.hw_caps & ATH9K_HW_CAP_APM) &&
+	    (curchan->channelFlags & CHANNEL_5GHZ) &&
+	    (chainmask == 0x7) && (rate < 0x90))
 		return 0x3;
 	else
 		return chainmask;
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -421,6 +421,7 @@ struct station_parameters {
  * @STATION_INFO_RX_BITRATE: @rxrate fields are filled
  * @STATION_INFO_BSS_PARAM: @bss_param filled
  * @STATION_INFO_CONNECTED_TIME: @connected_time filled
+ * @STATION_INFO_ASSOC_REQ_IES: @assoc_req_ies filled
  */
 enum station_info_flags {
 	STATION_INFO_INACTIVE_TIME	= 1<<0,
@@ -439,7 +440,8 @@ enum station_info_flags {
 	STATION_INFO_SIGNAL_AVG		= 1<<13,
 	STATION_INFO_RX_BITRATE		= 1<<14,
 	STATION_INFO_BSS_PARAM          = 1<<15,
-	STATION_INFO_CONNECTED_TIME	= 1<<16
+	STATION_INFO_CONNECTED_TIME	= 1<<16,
+	STATION_INFO_ASSOC_REQ_IES	= 1<<17
 };
 
 /**
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2236,7 +2236,7 @@ static int nl80211_send_station(struct s
 	}
 	nla_nest_end(msg, sinfoattr);
 
-	if (sinfo->assoc_req_ies)
+	if (sinfo->filled & STATION_INFO_ASSOC_REQ_IES)
 		NLA_PUT(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
 			sinfo->assoc_req_ies);
 
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -415,36 +415,12 @@ static void ar9003_hw_set11n_ratescenari
 static void ar9003_hw_set11n_aggr_first(struct ath_hw *ah, void *ds,
 					u32 aggrLen)
 {
-#define FIRST_DESC_NDELIMS 60
 	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
 
 	ads->ctl12 |= (AR_IsAggr | AR_MoreAggr);
 
-	if (ah->ent_mode & AR_ENT_OTP_MPSD) {
-		u32 ctl17, ndelim;
-		/*
-		 * Add delimiter when using RTS/CTS with aggregation
-		 * and non enterprise AR9003 card
-		 */
-		ctl17 = ads->ctl17;
-		ndelim = MS(ctl17, AR_PadDelim);
-
-		if (ndelim < FIRST_DESC_NDELIMS) {
-			aggrLen += (FIRST_DESC_NDELIMS - ndelim) * 4;
-			ndelim = FIRST_DESC_NDELIMS;
-		}
-
-		ctl17 &= ~AR_AggrLen;
-		ctl17 |= SM(aggrLen, AR_AggrLen);
-
-		ctl17 &= ~AR_PadDelim;
-		ctl17 |= SM(ndelim, AR_PadDelim);
-
-		ads->ctl17 = ctl17;
-	} else {
-		ads->ctl17 &= ~AR_AggrLen;
-		ads->ctl17 |= SM(aggrLen, AR_AggrLen);
-	}
+	ads->ctl17 &= ~AR_AggrLen;
+	ads->ctl17 |= SM(aggrLen, AR_AggrLen);
 }
 
 static void ar9003_hw_set11n_aggr_middle(struct ath_hw *ah, void *ds,
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -565,7 +565,6 @@ set_timer:
 static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta)
 {
 	struct ath_node *an;
-	struct ath_hw *ah = sc->sc_ah;
 	an = (struct ath_node *)sta->drv_priv;
 
 #ifdef CONFIG_ATH9K_DEBUGFS
@@ -574,9 +573,6 @@ static void ath_node_attach(struct ath_s
 	spin_unlock(&sc->nodes_lock);
 	an->sta = sta;
 #endif
-	if ((ah->caps.hw_caps) & ATH9K_HW_CAP_APM)
-		sc->sc_flags |= SC_OP_ENABLE_APM;
-
 	if (sc->sc_flags & SC_OP_TXAGGR) {
 		ath_tx_node_init(sc, an);
 		an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
@@ -826,11 +822,9 @@ irqreturn_t ath_isr(int irq, void *dev)
 	if (status & ATH9K_INT_TXURN)
 		ath9k_hw_updatetxtriglevel(ah, true);
 
-	if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
-		if (status & ATH9K_INT_RXEOL) {
-			ah->imask &= ~(ATH9K_INT_RXEOL | ATH9K_INT_RXORN);
-			ath9k_hw_set_interrupts(ah, ah->imask);
-		}
+	if (status & ATH9K_INT_RXEOL) {
+		ah->imask &= ~(ATH9K_INT_RXEOL | ATH9K_INT_RXORN);
+		ath9k_hw_set_interrupts(ah, ah->imask);
 	}
 
 	if (status & ATH9K_INT_MIB) {
@@ -1680,6 +1674,7 @@ 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;
@@ -1696,15 +1691,25 @@ static int ath9k_config(struct ieee80211
 			"Set channel: %d MHz type: %d\n",
 			curchan->center_freq, conf->channel_type);
 
-		ath9k_cmn_update_ichannel(&sc->sc_ah->channels[pos],
-					  curchan, conf->channel_type);
-
 		/* update survey stats for the old channel before switching */
 		spin_lock_irqsave(&common->cc_lock, flags);
 		ath_update_survey_stats(sc);
 		spin_unlock_irqrestore(&common->cc_lock, flags);
 
 		/*
+		 * 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;
+		}
+
+		ath9k_cmn_update_ichannel(&sc->sc_ah->channels[pos],
+					  curchan, conf->channel_type);
+
+		/*
 		 * If the operating channel changes, change the survey in-use flags
 		 * along with it.
 		 * Reset the survey data for the new channel, unless we're switching
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -761,7 +761,7 @@ static struct ath_buf *ath_get_next_rx_b
 	 * on.  All this is necessary because of our use of
 	 * a self-linked list to avoid rx overruns.
 	 */
-	ret = ath9k_hw_rxprocdesc(ah, ds, rs, 0);
+	ret = ath9k_hw_rxprocdesc(ah, ds, rs);
 	if (ret == -EINPROGRESS) {
 		struct ath_rx_status trs;
 		struct ath_buf *tbf;
@@ -787,7 +787,7 @@ static struct ath_buf *ath_get_next_rx_b
 		 */
 
 		tds = tbf->bf_desc;
-		ret = ath9k_hw_rxprocdesc(ah, tds, &trs, 0);
+		ret = ath9k_hw_rxprocdesc(ah, tds, &trs);
 		if (ret == -EINPROGRESS)
 			return NULL;
 	}
@@ -1978,5 +1978,10 @@ requeue:
 
 	spin_unlock_bh(&sc->rx.rxbuflock);
 
+	if (!(ah->imask & ATH9K_INT_RXEOL)) {
+		ah->imask |= (ATH9K_INT_RXEOL | ATH9K_INT_RXORN);
+		ath9k_hw_set_interrupts(ah, ah->imask);
+	}
+
 	return 0;
 }
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -345,21 +345,8 @@ int ath9k_hw_setuptxqueue(struct ath_hw 
 	}
 	memset(qi, 0, sizeof(struct ath9k_tx_queue_info));
 	qi->tqi_type = type;
-	if (qinfo == NULL) {
-		qi->tqi_qflags =
-			TXQ_FLAG_TXOKINT_ENABLE
-			| TXQ_FLAG_TXERRINT_ENABLE
-			| TXQ_FLAG_TXDESCINT_ENABLE | TXQ_FLAG_TXURNINT_ENABLE;
-		qi->tqi_aifs = INIT_AIFS;
-		qi->tqi_cwmin = ATH9K_TXQ_USEDEFAULT;
-		qi->tqi_cwmax = INIT_CWMAX;
-		qi->tqi_shretry = INIT_SH_RETRY;
-		qi->tqi_lgretry = INIT_LG_RETRY;
-		qi->tqi_physCompBuf = 0;
-	} else {
-		qi->tqi_physCompBuf = qinfo->tqi_physCompBuf;
-		(void) ath9k_hw_set_txq_props(ah, q, qinfo);
-	}
+	qi->tqi_physCompBuf = qinfo->tqi_physCompBuf;
+	(void) ath9k_hw_set_txq_props(ah, q, qinfo);
 
 	return q;
 }
@@ -564,7 +551,7 @@ bool ath9k_hw_resettxqueue(struct ath_hw
 EXPORT_SYMBOL(ath9k_hw_resettxqueue);
 
 int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
-			struct ath_rx_status *rs, u64 tsf)
+			struct ath_rx_status *rs)
 {
 	struct ar5416_desc ads;
 	struct ar5416_desc *adsp = AR5416DESC(ds);
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -687,7 +687,7 @@ int ath9k_hw_setuptxqueue(struct ath_hw 
 bool ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q);
 bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q);
 int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
-			struct ath_rx_status *rs, u64 tsf);
+			struct ath_rx_status *rs);
 void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
 			  u32 size, u32 flags);
 bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set);
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -839,20 +839,8 @@ static bool ar9003_hw_init_cal(struct at
 			       struct ath9k_channel *chan)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
-	struct ath9k_hw_capabilities *pCap = &ah->caps;
-	int val;
 	bool txiqcal_done = false;
 
-	val = REG_READ(ah, AR_ENT_OTP);
-	ath_dbg(common, ATH_DBG_CALIBRATE, "ath9k: AR_ENT_OTP 0x%x\n", val);
-
-	/* Configure rx/tx chains before running AGC/TxiQ cals */
-	if (val & AR_ENT_OTP_CHAIN2_DISABLE)
-		ar9003_hw_set_chain_masks(ah, 0x3, 0x3);
-	else
-		ar9003_hw_set_chain_masks(ah, pCap->rx_chainmask,
-					  pCap->tx_chainmask);
-
 	/* Do Tx IQ Calibration */
 	REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_1,
 		      AR_PHY_TX_IQCAL_CONTROL_1_IQCORR_I_Q_COFF_DELPT,
@@ -887,9 +875,6 @@ static bool ar9003_hw_init_cal(struct at
 	if (txiqcal_done)
 		ar9003_hw_tx_iq_cal_post_proc(ah);
 
-	/* Revert chainmasks to their original values before NF cal */
-	ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
-
 	ath9k_hw_start_nfcal(ah, true);
 
 	/* Initialize list pointers */
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -540,7 +540,7 @@ static void ar9003_hw_init_bb(struct ath
 	udelay(synthDelay + BASE_ACTIVATE_DELAY);
 }
 
-void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
+static void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
 {
 	switch (rx) {
 	case 0x5:
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -1124,6 +1124,4 @@
 #define AR_PHY_CL_TAB_CL_GAIN_MOD		0x1f
 #define AR_PHY_CL_TAB_CL_GAIN_MOD_S		0
 
-void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
-
 #endif  /* AR9003_PHY_H */
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -558,8 +558,7 @@ struct ath_ant_comb {
 #define SC_OP_BT_PRIORITY_DETECTED   BIT(12)
 #define SC_OP_BT_SCAN		     BIT(13)
 #define SC_OP_ANI_RUN		     BIT(14)
-#define SC_OP_ENABLE_APM	     BIT(15)
-#define SC_OP_PRIM_STA_VIF	     BIT(16)
+#define SC_OP_PRIM_STA_VIF	     BIT(15)
 
 /* Powersave flags */
 #define PS_WAIT_FOR_BEACON        BIT(0)
@@ -664,7 +663,6 @@ extern int led_blink;
 extern bool is_ath9k_unloaded;
 
 irqreturn_t ath_isr(int irq, void *dev);
-void ath9k_init_crypto(struct ath_softc *sc);
 int ath9k_init_device(u16 devid, struct ath_softc *sc,
 		    const struct ath_bus_ops *bus_ops);
 void ath9k_deinit_device(struct ath_softc *sc);
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -169,6 +169,32 @@ void ath9k_cmn_update_txpow(struct ath_h
 }
 EXPORT_SYMBOL(ath9k_cmn_update_txpow);
 
+void ath9k_cmn_init_crypto(struct ath_hw *ah)
+{
+	struct ath_common *common = ath9k_hw_common(ah);
+	int i = 0;
+
+	/* Get the hardware key cache size. */
+	common->keymax = AR_KEYTABLE_SIZE;
+
+	/*
+	 * Check whether the separate key cache entries
+	 * are required to handle both tx+rx MIC keys.
+	 * With split mic keys the number of stations is limited
+	 * to 27 otherwise 59.
+	 */
+	if (ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA)
+		common->crypt_caps |= ATH_CRYPT_CAP_MIC_COMBINED;
+
+	/*
+	 * Reset the key cache since some parts do not
+	 * reset the contents on initial power up.
+	 */
+	for (i = 0; i < common->keymax; i++)
+		ath_hw_keyreset(common, (u16) i);
+}
+EXPORT_SYMBOL(ath9k_cmn_init_crypto);
+
 static int __init ath9k_cmn_init(void)
 {
 	return 0;
--- a/drivers/net/wireless/ath/ath9k/common.h
+++ b/drivers/net/wireless/ath/ath9k/common.h
@@ -62,3 +62,4 @@ void ath9k_cmn_btcoex_bt_stomp(struct at
 				  enum ath_stomp_type stomp_type);
 void ath9k_cmn_update_txpow(struct ath_hw *ah, u16 cur_txpow,
 			    u16 new_txpow, u16 *txpower);
+void ath9k_cmn_init_crypto(struct ath_hw *ah);
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -572,25 +572,6 @@ err:
 	return -EINVAL;
 }
 
-static void ath9k_init_crypto(struct ath9k_htc_priv *priv)
-{
-	struct ath_common *common = ath9k_hw_common(priv->ah);
-	int i = 0;
-
-	/* Get the hardware key cache size. */
-	common->keymax = AR_KEYTABLE_SIZE;
-
-	if (priv->ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA)
-		common->crypt_caps |= ATH_CRYPT_CAP_MIC_COMBINED;
-
-	/*
-	 * Reset the key cache since some parts do not
-	 * reset the contents on initial power up.
-	 */
-	for (i = 0; i < common->keymax; i++)
-		ath_hw_keyreset(common, (u16) i);
-}
-
 static void ath9k_init_channels_rates(struct ath9k_htc_priv *priv)
 {
 	if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ) {
@@ -720,7 +701,7 @@ static int ath9k_init_priv(struct ath9k_
 	for (i = 0; i < ATH9K_HTC_MAX_BCN_VIF; i++)
 		priv->cur_beacon_conf.bslot[i] = NULL;
 
-	ath9k_init_crypto(priv);
+	ath9k_cmn_init_crypto(ah);
 	ath9k_init_channels_rates(priv);
 	ath9k_init_misc(priv);
 
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -404,31 +404,6 @@ fail:
 	return error;
 }
 
-void ath9k_init_crypto(struct ath_softc *sc)
-{
-	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-	int i = 0;
-
-	/* Get the hardware key cache size. */
-	common->keymax = AR_KEYTABLE_SIZE;
-
-	/*
-	 * Reset the key cache since some parts do not
-	 * reset the contents on initial power up.
-	 */
-	for (i = 0; i < common->keymax; i++)
-		ath_hw_keyreset(common, (u16) i);
-
-	/*
-	 * Check whether the separate key cache entries
-	 * are required to handle both tx+rx MIC keys.
-	 * With split mic keys the number of stations is limited
-	 * to 27 otherwise 59.
-	 */
-	if (sc->sc_ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA)
-		common->crypt_caps |= ATH_CRYPT_CAP_MIC_COMBINED;
-}
-
 static int ath9k_init_btcoex(struct ath_softc *sc)
 {
 	struct ath_txq *txq;
@@ -630,7 +605,7 @@ static int ath9k_init_softc(u16 devid, s
 	if (ret)
 		goto err_btcoex;
 
-	ath9k_init_crypto(sc);
+	ath9k_cmn_init_crypto(sc->sc_ah);
 	ath9k_init_misc(sc);
 
 	return 0;
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -129,7 +129,7 @@ static void ath_pci_aspm_init(struct ath
 		return;
 
 	parent = pdev->bus->self;
-	if (WARN_ON(!parent))
+	if (!parent)
 		return;
 
 	pos = pci_pcie_cap(parent);
@@ -338,7 +338,7 @@ static int ath_pci_resume(struct device 
 	   * semi-random values after suspend/resume.
 	   */
 	ath9k_ps_wakeup(sc);
-	ath9k_init_crypto(sc);
+	ath9k_cmn_init_crypto(sc->sc_ah);
 	ath9k_ps_restore(sc);
 
 	sc->ps_idle = true;
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -82,7 +82,6 @@ static void ath9k_hw_update_nfcal_hist_b
 					      int16_t *nfarray)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
-	struct ieee80211_conf *conf = &common->hw->conf;
 	struct ath_nf_limits *limit;
 	struct ath9k_nfcal_hist *h;
 	bool high_nf_mid = false;
@@ -94,7 +93,7 @@ static void ath9k_hw_update_nfcal_hist_b
 
 	for (i = 0; i < NUM_NF_READINGS; i++) {
 		if (!(chainmask & (1 << i)) ||
-		    ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
+		    ((i >= AR5416_MAX_CHAINS) && !IS_CHAN_HT40(ah->curchan)))
 			continue;
 
 		h[i].nfCalBuffer[h[i].currIndex] = nfarray[i];
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -1163,6 +1163,59 @@ static const struct file_operations fops
 	.llseek = default_llseek,/* read accesses f_pos */
 };
 
+static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
+				    size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ieee80211_conf *conf = &common->hw->conf;
+	u32 len = 0, size = 1500;
+	u32 i, j;
+	ssize_t retval = 0;
+	char *buf;
+	u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
+	u8 nread;
+
+	buf = kzalloc(size, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	len += snprintf(buf + len, size - len,
+			"Channel Noise Floor : %d\n", ah->noise);
+	len += snprintf(buf + len, size - len,
+			"Chain | privNF | # Readings | NF Readings\n");
+	for (i = 0; i < NUM_NF_READINGS; i++) {
+		if (!(chainmask & (1 << i)) ||
+		    ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
+			continue;
+
+		nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
+		len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
+				i, h[i].privNF, nread);
+		for (j = 0; j < nread; j++)
+			len += snprintf(buf + len, size - len,
+					" %d", h[i].nfCalBuffer[j]);
+		len += snprintf(buf + len, size - len, "\n");
+	}
+
+	if (len > size)
+		len = size;
+
+	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+	kfree(buf);
+
+	return retval;
+}
+
+static const struct file_operations fops_dump_nfcal = {
+	.read = read_file_dump_nfcal,
+	.open = ath9k_debugfs_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
 				     size_t count, loff_t *ppos)
 {
@@ -1262,6 +1315,8 @@ int ath9k_init_debug(struct ath_hw *ah)
 			    &ah->config.cwm_ignore_extcca);
 	debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_regdump);
+	debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
+			    &fops_dump_nfcal);
 	debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_base_eeprom);
 	debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -69,7 +69,7 @@ static int ar9003_hw_power_interpolate(i
 static const struct ar9300_eeprom ar9300_default = {
 	.eepromVersion = 2,
 	.templateVersion = 2,
-	.macAddr = {1, 2, 3, 4, 5, 6},
+	.macAddr = {0, 2, 3, 4, 5, 6},
 	.custData = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 		     0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
 	.baseEepHeader = {
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -349,10 +349,7 @@ static u32 ath9k_hw_4k_get_eeprom(struct
 	case EEP_ANT_DIV_CTL1:
 		return pModal->antdiv_ctl1;
 	case EEP_TXGAIN_TYPE:
-		if (ver_minor >= AR5416_EEP_MINOR_VER_19)
-			return pBase->txGainType;
-		else
-			return AR5416_EEP_TXGAIN_ORIGINAL;
+		return pBase->txGainType;
 	default:
 		return 0;
 	}