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

--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -176,6 +176,8 @@ 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);
@@ -262,7 +264,11 @@ void ieee80211_process_addba_request(str
 				"%pM on tid %u\n",
 				mgmt->sa, tid);
 #endif /* CONFIG_MAC80211_HT_DEBUG */
-		goto end;
+
+		/* delete existing Rx BA session on the same tid */
+		___ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
+						WLAN_STATUS_UNSPECIFIED_QOS,
+						false);
 	}
 
 	/* prepare A-MPDU MLME for Rx aggregation */
--- 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
@@ -2137,7 +2137,8 @@ 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 */
@@ -2335,13 +2336,14 @@ 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):
@@ -2680,10 +2682,16 @@ 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/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -360,6 +360,7 @@ void ath_beacon_tasklet(unsigned long da
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_buf *bf = NULL;
 	struct ieee80211_vif *vif;
+	struct ath_tx_status ts;
 	int slot;
 	u32 bfaddr, bc = 0;
 
@@ -384,7 +385,9 @@ void ath_beacon_tasklet(unsigned long da
 			ath_dbg(common, ATH_DBG_BSTUCK,
 				"beacon is officially stuck\n");
 			sc->sc_flags |= SC_OP_TSF_RESET;
+			spin_lock(&sc->sc_pcu_lock);
 			ath_reset(sc, true);
+			spin_unlock(&sc->sc_pcu_lock);
 		}
 
 		return;
@@ -464,6 +467,11 @@ void ath_beacon_tasklet(unsigned long da
 		ath9k_hw_txstart(ah, sc->beacon.beaconq);
 
 		sc->beacon.ast_be_xmit += bc;     /* XXX per-vif? */
+		if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
+			spin_lock_bh(&sc->sc_pcu_lock);
+			ath9k_hw_txprocdesc(ah, bf->bf_desc, (void *)&ts);
+			spin_unlock_bh(&sc->sc_pcu_lock);
+		}
 	}
 }
 
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -617,8 +617,11 @@ void ath_hw_check(struct work_struct *wo
 	ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, "
 		"busy=%d (try %d)\n", busy, sc->hw_busy_count + 1);
 	if (busy >= 99) {
-		if (++sc->hw_busy_count >= 3)
+		if (++sc->hw_busy_count >= 3) {
+			spin_lock_bh(&sc->sc_pcu_lock);
 			ath_reset(sc, true);
+			spin_unlock_bh(&sc->sc_pcu_lock);
+		}
 	} else if (busy >= 0)
 		sc->hw_busy_count = 0;
 
@@ -637,7 +640,9 @@ static void ath_hw_pll_rx_hang_check(str
 			/* Rx is hung for more than 500ms. Reset it */
 			ath_dbg(common, ATH_DBG_RESET,
 				"Possible RX hang, resetting");
+			spin_lock_bh(&sc->sc_pcu_lock);
 			ath_reset(sc, true);
+			spin_unlock_bh(&sc->sc_pcu_lock);
 			count = 0;
 		}
 	} else
@@ -674,7 +679,9 @@ void ath9k_tasklet(unsigned long data)
 
 	if ((status & ATH9K_INT_FATAL) ||
 	    (status & ATH9K_INT_BB_WATCHDOG)) {
+		spin_lock(&sc->sc_pcu_lock);
 		ath_reset(sc, true);
+		spin_unlock(&sc->sc_pcu_lock);
 		return;
 	}
 
@@ -980,7 +987,6 @@ int ath_reset(struct ath_softc *sc, bool
 	del_timer_sync(&common->ani.timer);
 
 	ath9k_ps_wakeup(sc);
-	spin_lock_bh(&sc->sc_pcu_lock);
 
 	ieee80211_stop_queues(hw);
 
@@ -1023,7 +1029,6 @@ int ath_reset(struct ath_softc *sc, bool
 	}
 
 	ieee80211_wake_queues(hw);
-	spin_unlock_bh(&sc->sc_pcu_lock);
 
 	/* Start ANI */
 	if (!common->disable_ani)
@@ -2326,9 +2331,9 @@ static void ath9k_flush(struct ieee80211
 	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);
+	spin_unlock_bh(&sc->sc_pcu_lock);
 	ath9k_ps_restore(sc);
 	ieee80211_wake_queues(hw);
 
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -565,11 +565,8 @@ static void ath_tx_complete_aggr(struct 
 
 	rcu_read_unlock();
 
-	if (needreset) {
-		spin_unlock_bh(&sc->sc_pcu_lock);
+	if (needreset)
 		ath_reset(sc, false);
-		spin_lock_bh(&sc->sc_pcu_lock);
-	}
 }
 
 static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
@@ -664,7 +661,8 @@ static int ath_compute_num_delims(struct
 	 * TODO - this could be improved to be dependent on the rate.
 	 *      The hardware can keep up at lower rates, but not higher rates
 	 */
-	if (fi->keyix != ATH9K_TXKEYIX_INVALID)
+	if ((fi->keyix != ATH9K_TXKEYIX_INVALID) &&
+	    !(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA))
 		ndelim += ATH_AGGR_ENCRYPTDELIM;
 
 	/*
@@ -2169,7 +2167,9 @@ static void ath_tx_complete_poll_work(st
 	if (needreset) {
 		ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET,
 			"tx hung, resetting the chip\n");
+		spin_lock_bh(&sc->sc_pcu_lock);
 		ath_reset(sc, true);
+		spin_unlock_bh(&sc->sc_pcu_lock);
 	}
 
 	ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
--- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
@@ -236,7 +236,7 @@ static void ar9003_paprd_get_gain_table(
 	memset(entry, 0, sizeof(ah->paprd_gain_table_entries));
 	memset(index, 0, sizeof(ah->paprd_gain_table_index));
 
-	for (i = 0; i < 32; i++) {
+	for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) {
 		entry[i] = REG_READ(ah, reg);
 		index[i] = (entry[i] >> 24) & 0xff;
 		reg += 4;
@@ -246,13 +246,13 @@ static void ar9003_paprd_get_gain_table(
 static unsigned int ar9003_get_desired_gain(struct ath_hw *ah, int chain,
 					    int target_power)
 {
-	int olpc_gain_delta = 0;
+	int olpc_gain_delta = 0, cl_gain_mod;
 	int alpha_therm, alpha_volt;
 	int therm_cal_value, volt_cal_value;
 	int therm_value, volt_value;
 	int thermal_gain_corr, voltage_gain_corr;
 	int desired_scale, desired_gain = 0;
-	u32 reg;
+	u32 reg_olpc  = 0, reg_cl_gain  = 0;
 
 	REG_CLR_BIT(ah, AR_PHY_PAPRD_TRAINER_STAT1,
 		    AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
@@ -271,15 +271,29 @@ static unsigned int ar9003_get_desired_g
 	volt_value = REG_READ_FIELD(ah, AR_PHY_BB_THERM_ADC_4,
 				    AR_PHY_BB_THERM_ADC_4_LATEST_VOLT_VALUE);
 
-	if (chain == 0)
-		reg = AR_PHY_TPC_11_B0;
-	else if (chain == 1)
-		reg = AR_PHY_TPC_11_B1;
-	else
-		reg = AR_PHY_TPC_11_B2;
+	switch (chain) {
+	case 0:
+		reg_olpc = AR_PHY_TPC_11_B0;
+		reg_cl_gain = AR_PHY_CL_TAB_0;
+		break;
+	case 1:
+		reg_olpc = AR_PHY_TPC_11_B1;
+		reg_cl_gain = AR_PHY_CL_TAB_1;
+		break;
+	case 2:
+		reg_olpc = AR_PHY_TPC_11_B2;
+		reg_cl_gain = AR_PHY_CL_TAB_2;
+		break;
+	default:
+		ath_dbg(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+		"Invalid chainmask: %d\n", chain);
+		break;
+	}
 
-	olpc_gain_delta = REG_READ_FIELD(ah, reg,
+	olpc_gain_delta = REG_READ_FIELD(ah, reg_olpc,
 					 AR_PHY_TPC_11_OLPC_GAIN_DELTA);
+	cl_gain_mod = REG_READ_FIELD(ah, reg_cl_gain,
+					 AR_PHY_CL_TAB_CL_GAIN_MOD);
 
 	if (olpc_gain_delta >= 128)
 		olpc_gain_delta = olpc_gain_delta - 256;
@@ -289,7 +303,7 @@ static unsigned int ar9003_get_desired_g
 	voltage_gain_corr = (alpha_volt * (volt_value - volt_cal_value) +
 			     (128 / 2)) / 128;
 	desired_gain = target_power - olpc_gain_delta - thermal_gain_corr -
-	    voltage_gain_corr + desired_scale;
+	    voltage_gain_corr + desired_scale + cl_gain_mod;
 
 	return desired_gain;
 }
@@ -727,7 +741,7 @@ int ar9003_paprd_setup_gain_table(struct
 	desired_gain = ar9003_get_desired_gain(ah, chain, train_power);
 
 	gain_index = 0;
-	for (i = 0; i < 32; i++) {
+	for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) {
 		if (ah->paprd_gain_table_index[i] >= desired_gain)
 			break;
 		gain_index++;
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -1121,6 +1121,9 @@
 #define AR_PHY_POWERTX_RATE8_POWERTXHT40_5	0x3F00
 #define AR_PHY_POWERTX_RATE8_POWERTXHT40_5_S	8
 
+#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/ath5k/eeprom.c
+++ b/drivers/net/wireless/ath/ath5k/eeprom.c
@@ -691,14 +691,12 @@ ath5k_eeprom_free_pcal_info(struct ath5k
 		if (!chinfo[pier].pd_curves)
 			continue;
 
-		for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) {
+		for (pdg = 0; pdg < AR5K_EEPROM_N_PD_CURVES; pdg++) {
 			struct ath5k_pdgain_info *pd =
 					&chinfo[pier].pd_curves[pdg];
 
-			if (pd != NULL) {
-				kfree(pd->pd_step);
-				kfree(pd->pd_pwr);
-			}
+			kfree(pd->pd_step);
+			kfree(pd->pd_pwr);
 		}
 
 		kfree(chinfo[pier].pd_curves);
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -229,6 +229,7 @@ static void ar9003_hw_fill_txdesc(struct
 static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
 				 struct ath_tx_status *ts)
 {
+	struct ar9003_txc *txc = (struct ar9003_txc *) ds;
 	struct ar9003_txs *ads;
 	u32 status;
 
@@ -238,7 +239,11 @@ static int ar9003_hw_proc_txdesc(struct 
 	if ((status & AR_TxDone) == 0)
 		return -EINPROGRESS;
 
-	ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
+	ts->qid = MS(ads->ds_info, AR_TxQcuNum);
+	if (!txc || (MS(txc->info, AR_TxQcuNum) == ts->qid))
+		ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
+	else
+		return -ENOENT;
 
 	if ((MS(ads->ds_info, AR_DescId) != ATHEROS_VENDOR_ID) ||
 	    (MS(ads->ds_info, AR_TxRxDesc) != 1)) {
@@ -254,7 +259,6 @@ static int ar9003_hw_proc_txdesc(struct 
 	ts->ts_seqnum = MS(status, AR_SeqNum);
 	ts->tid = MS(status, AR_TxTid);
 
-	ts->qid = MS(ads->ds_info, AR_TxQcuNum);
 	ts->desc_id = MS(ads->status1, AR_TxDescId);
 	ts->ts_tstamp = ads->status4;
 	ts->ts_status = 0;
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -15,6 +15,7 @@
 #include <linux/gfp.h>
 #include <asm/unaligned.h>
 #include <net/mac80211.h>
+#include <crypto/aes.h>
 
 #include "ieee80211_i.h"
 #include "michael.h"
@@ -86,6 +87,11 @@ ieee80211_rx_h_michael_mic_verify(struct
 	struct sk_buff *skb = rx->skb;
 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	int queue = rx->queue;
+
+	/* otherwise, TKIP is vulnerable to TID 0 vs. non-QoS replays */
+	if (rx->queue == NUM_RX_DATA_QUEUES - 1)
+		queue = 0;
 
 	/*
 	 * it makes no sense to check for MIC errors on anything other
@@ -148,8 +154,8 @@ ieee80211_rx_h_michael_mic_verify(struct
 
 update_iv:
 	/* update IV in key information to be able to detect replays */
-	rx->key->u.tkip.rx[rx->queue].iv32 = rx->tkip_iv32;
-	rx->key->u.tkip.rx[rx->queue].iv16 = rx->tkip_iv16;
+	rx->key->u.tkip.rx[queue].iv32 = rx->tkip_iv32;
+	rx->key->u.tkip.rx[queue].iv16 = rx->tkip_iv16;
 
 	return RX_CONTINUE;
 
@@ -165,6 +171,7 @@ static int tkip_encrypt_skb(struct ieee8
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	struct ieee80211_key *key = tx->key;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	unsigned long flags;
 	unsigned int hdrlen;
 	int len, tail;
 	u8 *pos;
@@ -192,11 +199,12 @@ static int tkip_encrypt_skb(struct ieee8
 	pos += hdrlen;
 
 	/* Increase IV for the frame */
+	spin_lock_irqsave(&key->u.tkip.txlock, flags);
 	key->u.tkip.tx.iv16++;
 	if (key->u.tkip.tx.iv16 == 0)
 		key->u.tkip.tx.iv32++;
-
-	pos = ieee80211_tkip_add_iv(pos, key, key->u.tkip.tx.iv16);
+	pos = ieee80211_tkip_add_iv(pos, key);
+	spin_unlock_irqrestore(&key->u.tkip.txlock, flags);
 
 	/* hwaccel - with software IV */
 	if (info->control.hw_key)
@@ -205,9 +213,8 @@ static int tkip_encrypt_skb(struct ieee8
 	/* Add room for ICV */
 	skb_put(skb, TKIP_ICV_LEN);
 
-	hdr = (struct ieee80211_hdr *) skb->data;
 	return ieee80211_tkip_encrypt_data(tx->local->wep_tx_tfm,
-					   key, pos, len, hdr->addr2);
+					   key, skb, pos, len);
 }
 
 
@@ -235,6 +242,11 @@ ieee80211_crypto_tkip_decrypt(struct iee
 	struct ieee80211_key *key = rx->key;
 	struct sk_buff *skb = rx->skb;
 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+	int queue = rx->queue;
+
+	/* otherwise, TKIP is vulnerable to TID 0 vs. non-QoS replays */
+	if (rx->queue == NUM_RX_DATA_QUEUES - 1)
+		queue = 0;
 
 	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 
@@ -255,7 +267,7 @@ ieee80211_crypto_tkip_decrypt(struct iee
 	res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm,
 					  key, skb->data + hdrlen,
 					  skb->len - hdrlen, rx->sta->sta.addr,
-					  hdr->addr1, hwaccel, rx->queue,
+					  hdr->addr1, hwaccel, queue,
 					  &rx->tkip_iv32,
 					  &rx->tkip_iv16);
 	if (res != TKIP_DECRYPT_OK)
@@ -283,6 +295,8 @@ static void ccmp_special_blocks(struct s
 	unsigned int hdrlen;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 
+	memset(scratch, 0, 6 * AES_BLOCK_LEN);
+
 	b_0 = scratch + 3 * AES_BLOCK_LEN;
 	aad = scratch + 4 * AES_BLOCK_LEN;
 
@@ -373,8 +387,10 @@ static int ccmp_encrypt_skb(struct ieee8
 	struct ieee80211_key *key = tx->key;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	int hdrlen, len, tail;
-	u8 *pos, *pn;
-	int i;
+	u8 *pos;
+	u8 pn[6];
+	u64 pn64;
+	u8 scratch[6 * AES_BLOCK_LEN];
 
 	if (info->control.hw_key &&
 	    !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
@@ -402,14 +418,14 @@ static int ccmp_encrypt_skb(struct ieee8
 	hdr = (struct ieee80211_hdr *) pos;
 	pos += hdrlen;
 
-	/* PN = PN + 1 */
-	pn = key->u.ccmp.tx_pn;
+	pn64 = atomic64_inc_return(&key->u.ccmp.tx_pn);
 
-	for (i = CCMP_PN_LEN - 1; i >= 0; i--) {
-		pn[i]++;
-		if (pn[i])
-			break;
-	}
+	pn[5] = pn64;
+	pn[4] = pn64 >> 8;
+	pn[3] = pn64 >> 16;
+	pn[2] = pn64 >> 24;
+	pn[1] = pn64 >> 32;
+	pn[0] = pn64 >> 40;
 
 	ccmp_pn2hdr(pos, pn, key->conf.keyidx);
 
@@ -418,8 +434,8 @@ static int ccmp_encrypt_skb(struct ieee8
 		return 0;
 
 	pos += CCMP_HDR_LEN;
-	ccmp_special_blocks(skb, pn, key->u.ccmp.tx_crypto_buf, 0);
-	ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, key->u.ccmp.tx_crypto_buf, pos, len,
+	ccmp_special_blocks(skb, pn, scratch, 0);
+	ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, scratch, pos, len,
 				  pos, skb_put(skb, CCMP_MIC_LEN));
 
 	return 0;
@@ -475,11 +491,12 @@ ieee80211_crypto_ccmp_decrypt(struct iee
 	}
 
 	if (!(status->flag & RX_FLAG_DECRYPTED)) {
+		u8 scratch[6 * AES_BLOCK_LEN];
 		/* hardware didn't decrypt/verify MIC */
-		ccmp_special_blocks(skb, pn, key->u.ccmp.rx_crypto_buf, 1);
+		ccmp_special_blocks(skb, pn, scratch, 1);
 
 		if (ieee80211_aes_ccm_decrypt(
-			    key->u.ccmp.tfm, key->u.ccmp.rx_crypto_buf,
+			    key->u.ccmp.tfm, scratch,
 			    skb->data + hdrlen + CCMP_HDR_LEN, data_len,
 			    skb->data + skb->len - CCMP_MIC_LEN,
 			    skb->data + hdrlen + CCMP_HDR_LEN))
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -323,8 +323,7 @@ int b43_generate_txhdr(struct b43_wldev 
 			/* we give the phase1key and iv16 here, the key is stored in
 			 * shm. With that the hardware can do phase 2 and encryption.
 			 */
-			ieee80211_get_tkip_key(info->control.hw_key, skb_frag,
-					IEEE80211_TKIP_P1_KEY, (u8*)phase1key);
+			ieee80211_get_tkip_p1k(info->control.hw_key, skb_frag, phase1key);
 			/* phase1key is in host endian. Copy to little-endian txhdr->iv. */
 			for (i = 0; i < 5; i++) {
 				txhdr->iv[i * 2 + 0] = phase1key[i];
--- a/drivers/net/wireless/iwlegacy/iwl-4965-tx.c
+++ b/drivers/net/wireless/iwlegacy/iwl-4965-tx.c
@@ -240,8 +240,7 @@ static void iwl4965_tx_cmd_build_hwcrypt
 
 	case WLAN_CIPHER_SUITE_TKIP:
 		tx_cmd->sec_ctl = TX_CMD_SEC_TKIP;
-		ieee80211_get_tkip_key(keyconf, skb_frag,
-			IEEE80211_TKIP_P2_KEY, tx_cmd->key);
+		ieee80211_get_tkip_p2k(keyconf, skb_frag, tx_cmd->key);
 		IWL_DEBUG_TX(priv, "tx_cmd with tkip hwcrypto\n");
 		break;
 
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -497,8 +497,7 @@ static void iwlagn_tx_cmd_build_hwcrypto
 
 	case WLAN_CIPHER_SUITE_TKIP:
 		tx_cmd->sec_ctl = TX_CMD_SEC_TKIP;
-		ieee80211_get_tkip_key(keyconf, skb_frag,
-			IEEE80211_TKIP_P2_KEY, tx_cmd->key);
+		ieee80211_get_tkip_p2k(keyconf, skb_frag, tx_cmd->key);
 		IWL_DEBUG_TX(priv, "tx_cmd with tkip hwcrypto\n");
 		break;
 
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -960,21 +960,6 @@ enum sta_notify_cmd {
 };
 
 /**
- * enum ieee80211_tkip_key_type - get tkip key
- *
- * Used by drivers which need to get a tkip key for skb. Some drivers need a
- * phase 1 key, others need a phase 2 key. A single function allows the driver
- * to get the key, this enum indicates what type of key is required.
- *
- * @IEEE80211_TKIP_P1_KEY: the driver needs a phase 1 key
- * @IEEE80211_TKIP_P2_KEY: the driver needs a phase 2 key
- */
-enum ieee80211_tkip_key_type {
-	IEEE80211_TKIP_P1_KEY,
-	IEEE80211_TKIP_P2_KEY,
-};
-
-/**
  * enum ieee80211_hw_flags - hardware flags
  *
  * These flags are used to indicate hardware capabilities to
@@ -2568,21 +2553,33 @@ struct sk_buff *
 ieee80211_get_buffered_bc(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
 
 /**
- * ieee80211_get_tkip_key - get a TKIP rc4 for skb
+ * ieee80211_get_tkip_p1k - get a TKIP phase 1 key
+ *
+ * This function returns the TKIP phase 1 key for the IV32 taken
+ * from the given packet.
+ *
+ * @keyconf: the parameter passed with the set key
+ * @skb: the packet to take the IV32 value from that will be encrypted
+ *	with this P1K
+ * @p1k: a buffer to which the key will be written, as 5 u16 values
+ */
+void ieee80211_get_tkip_p1k(struct ieee80211_key_conf *keyconf,
+			    struct sk_buff *skb, u16 *p1k);
+
+/**
+ * ieee80211_get_tkip_p2k - get a TKIP phase 2 key
  *
- * This function computes a TKIP rc4 key for an skb. It computes
- * a phase 1 key if needed (iv16 wraps around). This function is to
- * be used by drivers which can do HW encryption but need to compute
- * to phase 1/2 key in SW.
+ * This function computes the TKIP RC4 key for the IV values
+ * in the packet.
  *
  * @keyconf: the parameter passed with the set key
- * @skb: the skb for which the key is needed
- * @type: TBD
- * @key: a buffer to which the key will be written
- */
-void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf,
-				struct sk_buff *skb,
-				enum ieee80211_tkip_key_type type, u8 *key);
+ * @skb: the packet to take the IV32/IV16 values from that will be
+ *	encrypted with this key
+ * @p2k: a buffer to which the key will be written, 16 bytes
+ */
+void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf,
+			    struct sk_buff *skb, u8 *p2k);
+
 /**
  * ieee80211_wake_queue - wake specific queue
  * @hw: pointer as obtained from ieee80211_alloc_hw().
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -333,6 +333,7 @@ struct ieee80211_key *ieee80211_key_allo
 					get_unaligned_le16(seq);
 			}
 		}
+		spin_lock_init(&key->u.tkip.txlock);
 		break;
 	case WLAN_CIPHER_SUITE_CCMP:
 		key->conf.iv_len = CCMP_HDR_LEN;
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -52,9 +52,10 @@ enum ieee80211_internal_tkip_state {
 };
 
 struct tkip_ctx {
-	u32 iv32;
-	u16 iv16;
-	u16 p1k[5];
+	u32 iv32;	/* current iv32 */
+	u16 iv16;	/* current iv16 */
+	u16 p1k[5];	/* p1k cache */
+	u32 p1k_iv32;	/* iv32 for which p1k computed */
 	enum ieee80211_internal_tkip_state state;
 };
 
@@ -71,6 +72,9 @@ struct ieee80211_key {
 
 	union {
 		struct {
+			/* protects tx context */
+			spinlock_t txlock;
+
 			/* last used TSC */
 			struct tkip_ctx tx;
 
@@ -78,7 +82,7 @@ struct ieee80211_key {
 			struct tkip_ctx rx[NUM_RX_DATA_QUEUES];
 		} tkip;
 		struct {
-			u8 tx_pn[6];
+			atomic64_t tx_pn;
 			/*
 			 * Last received packet number. The first
 			 * NUM_RX_DATA_QUEUES counters are used with Data
@@ -88,12 +92,9 @@ struct ieee80211_key {
 			u8 rx_pn[NUM_RX_DATA_QUEUES + 1][6];
 			struct crypto_cipher *tfm;
 			u32 replays; /* dot11RSNAStatsCCMPReplays */
-			/* scratch buffers for virt_to_page() (crypto API) */
 #ifndef AES_BLOCK_LEN
 #define AES_BLOCK_LEN 16
 #endif
-			u8 tx_crypto_buf[6 * AES_BLOCK_LEN];
-			u8 rx_crypto_buf[6 * AES_BLOCK_LEN];
 		} ccmp;
 		struct {
 			u8 tx_pn[6];
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -101,6 +101,7 @@ static void tkip_mixing_phase1(const u8 
 		p1k[4] += tkipS(p1k[3] ^ get_unaligned_le16(tk + 0 + j)) + i;
 	}
 	ctx->state = TKIP_STATE_PHASE1_DONE;
+	ctx->p1k_iv32 = tsc_IV32;
 }
 
 static void tkip_mixing_phase2(const u8 *tk, struct tkip_ctx *ctx,
@@ -140,60 +141,72 @@ static void tkip_mixing_phase2(const u8 
 /* Add TKIP IV and Ext. IV at @pos. @iv0, @iv1, and @iv2 are the first octets
  * of the IV. Returns pointer to the octet following IVs (i.e., beginning of
  * the packet payload). */
-u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, u16 iv16)
+u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key)
 {
-	pos = write_tkip_iv(pos, iv16);
+	lockdep_assert_held(&key->u.tkip.txlock);
+
+	pos = write_tkip_iv(pos, key->u.tkip.tx.iv16);
 	*pos++ = (key->conf.keyidx << 6) | (1 << 5) /* Ext IV */;
 	put_unaligned_le32(key->u.tkip.tx.iv32, pos);
 	return pos + 4;
 }
 
-void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf,
-			struct sk_buff *skb, enum ieee80211_tkip_key_type type,
-			u8 *outkey)
+static void ieee80211_compute_tkip_p1k(struct ieee80211_key *key, u32 iv32)
 {
-	struct ieee80211_key *key = (struct ieee80211_key *)
-			container_of(keyconf, struct ieee80211_key, conf);
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	u8 *data;
-	const u8 *tk;
-	struct tkip_ctx *ctx;
-	u16 iv16;
-	u32 iv32;
-
-	data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control);
-	iv16 = data[2] | (data[0] << 8);
-	iv32 = get_unaligned_le32(&data[4]);
-
-	tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
-	ctx = &key->u.tkip.tx;
-
-#ifdef CONFIG_MAC80211_TKIP_DEBUG
-	printk(KERN_DEBUG "TKIP encrypt: iv16 = 0x%04x, iv32 = 0x%08x\n",
-			iv16, iv32);
+	struct ieee80211_sub_if_data *sdata = key->sdata;
+	struct tkip_ctx *ctx = &key->u.tkip.tx;
+	const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
 
-	if (iv32 != ctx->iv32) {
-		printk(KERN_DEBUG "skb: iv32 = 0x%08x key: iv32 = 0x%08x\n",
-			iv32, ctx->iv32);
-		printk(KERN_DEBUG "Wrap around of iv16 in the middle of a "
-			"fragmented packet\n");
-	}
-#endif
+	lockdep_assert_held(&key->u.tkip.txlock);
 
-	/* Update the p1k only when the iv16 in the packet wraps around, this
-	 * might occur after the wrap around of iv16 in the key in case of
-	 * fragmented packets. */
-	if (iv16 == 0 || ctx->state == TKIP_STATE_NOT_INIT)
-		tkip_mixing_phase1(tk, ctx, hdr->addr2, iv32);
+	/*
+	 * Update the P1K when the IV32 is different from the value it
+	 * had when we last computed it (or when not initialised yet).
+	 * This might flip-flop back and forth if packets are processed
+	 * out-of-order due to the different ACs, but then we have to
+	 * just compute the P1K more often.
+	 */
+	if (ctx->p1k_iv32 != iv32 || ctx->state == TKIP_STATE_NOT_INIT)
+		tkip_mixing_phase1(tk, ctx, sdata->vif.addr, iv32);
+}
 
-	if (type == IEEE80211_TKIP_P1_KEY) {
-		memcpy(outkey, ctx->p1k, sizeof(u16) * 5);
-		return;
-	}
+void ieee80211_get_tkip_p1k(struct ieee80211_key_conf *keyconf,
+			    struct sk_buff *skb, u16 *p1k)
+{
+	struct ieee80211_key *key = (struct ieee80211_key *)
+			container_of(keyconf, struct ieee80211_key, conf);
+	struct tkip_ctx *ctx = &key->u.tkip.tx;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	const u8 *data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control);
+	u32 iv32 = get_unaligned_le32(&data[4]);
+	unsigned long flags;
+
+	spin_lock_irqsave(&key->u.tkip.txlock, flags);
+	ieee80211_compute_tkip_p1k(key, iv32);
+	memcpy(p1k, ctx->p1k, sizeof(ctx->p1k));
+	spin_unlock_irqrestore(&key->u.tkip.txlock, flags);
+}
+EXPORT_SYMBOL(ieee80211_get_tkip_p1k);
 
-	tkip_mixing_phase2(tk, ctx, iv16, outkey);
+void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf,
+			    struct sk_buff *skb, u8 *p2k)
+{
+	struct ieee80211_key *key = (struct ieee80211_key *)
+			container_of(keyconf, struct ieee80211_key, conf);
+	const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
+	struct tkip_ctx *ctx = &key->u.tkip.tx;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	const u8 *data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control);
+	u32 iv32 = get_unaligned_le32(&data[4]);
+	u16 iv16 = data[2] | (data[0] << 8);
+	unsigned long flags;
+
+	spin_lock_irqsave(&key->u.tkip.txlock, flags);
+	ieee80211_compute_tkip_p1k(key, iv32);
+	tkip_mixing_phase2(tk, ctx, iv16, p2k);
+	spin_unlock_irqrestore(&key->u.tkip.txlock, flags);
 }
-EXPORT_SYMBOL(ieee80211_get_tkip_key);
+EXPORT_SYMBOL(ieee80211_get_tkip_p2k);
 
 /*
  * Encrypt packet payload with TKIP using @key. @pos is a pointer to the
@@ -204,19 +217,15 @@ EXPORT_SYMBOL(ieee80211_get_tkip_key);
  */
 int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
 				struct ieee80211_key *key,
-				u8 *pos, size_t payload_len, u8 *ta)
+				struct sk_buff *skb,
+				u8 *payload, size_t payload_len)
 {
 	u8 rc4key[16];
-	struct tkip_ctx *ctx = &key->u.tkip.tx;
-	const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
-
-	/* Calculate per-packet key */
-	if (ctx->iv16 == 0 || ctx->state == TKIP_STATE_NOT_INIT)
-		tkip_mixing_phase1(tk, ctx, ta, ctx->iv32);
 
-	tkip_mixing_phase2(tk, ctx, ctx->iv16, rc4key);
+	ieee80211_get_tkip_p2k(&key->conf, skb, rc4key);
 
-	return ieee80211_wep_encrypt_data(tfm, rc4key, 16, pos, payload_len);
+	return ieee80211_wep_encrypt_data(tfm, rc4key, 16,
+					  payload, payload_len);
 }
 
 /* Decrypt packet payload with TKIP using @key. @pos is a pointer to the
--- a/net/mac80211/tkip.h
+++ b/net/mac80211/tkip.h
@@ -13,11 +13,13 @@
 #include <linux/crypto.h>
 #include "key.h"
 
-u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, u16 iv16);
+u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key);
 
 int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
-				 struct ieee80211_key *key,
-				 u8 *pos, size_t payload_len, u8 *ta);
+				struct ieee80211_key *key,
+				struct sk_buff *skb,
+				u8 *payload, size_t payload_len);
+
 enum {
 	TKIP_DECRYPT_OK = 0,
 	TKIP_DECRYPT_NO_EXT_IV = -1,
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -209,6 +209,7 @@ static int ieee80211_get_key(struct wiph
 	u8 seq[6] = {0};
 	struct key_params params;
 	struct ieee80211_key *key = NULL;
+	u64 pn64;
 	u32 iv32;
 	u16 iv16;
 	int err = -ENOENT;
@@ -256,12 +257,13 @@ static int ieee80211_get_key(struct wiph
 		params.seq_len = 6;
 		break;
 	case WLAN_CIPHER_SUITE_CCMP:
-		seq[0] = key->u.ccmp.tx_pn[5];
-		seq[1] = key->u.ccmp.tx_pn[4];
-		seq[2] = key->u.ccmp.tx_pn[3];
-		seq[3] = key->u.ccmp.tx_pn[2];
-		seq[4] = key->u.ccmp.tx_pn[1];
-		seq[5] = key->u.ccmp.tx_pn[0];
+		pn64 = atomic64_read(&key->u.ccmp.tx_pn);
+		seq[0] = pn64;
+		seq[1] = pn64 >> 8;
+		seq[2] = pn64 >> 16;
+		seq[3] = pn64 >> 24;
+		seq[4] = pn64 >> 32;
+		seq[5] = pn64 >> 40;
 		params.seq = seq;
 		params.seq_len = 6;
 		break;
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -79,6 +79,7 @@ static ssize_t key_tx_spec_read(struct f
 				size_t count, loff_t *ppos)
 {
 	const u8 *tpn;
+	u64 pn;
 	char buf[20];
 	int len;
 	struct ieee80211_key *key = file->private_data;
@@ -94,9 +95,10 @@ static ssize_t key_tx_spec_read(struct f
 				key->u.tkip.tx.iv16);
 		break;
 	case WLAN_CIPHER_SUITE_CCMP:
-		tpn = key->u.ccmp.tx_pn;
+		pn = atomic64_read(&key->u.ccmp.tx_pn);
 		len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
-				tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]);
+				(u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24),
+				(u8)(pn >> 16), (u8)(pn >> 8), (u8)pn);
 		break;
 	case WLAN_CIPHER_SUITE_AES_CMAC:
 		tpn = key->u.aes_cmac.tx_pn;