Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

17 files changed, 153 insertions, 385 deletions

diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c
index 7e59b82..f9d6db8 100644
--- a/drivers/net/wireless/ath/ar9170/main.c
+++ b/drivers/net/wireless/ath/ar9170/main.c
@@ -850,6 +850,7 @@ static int ar9170_rx_mac_status(struct ar9170 *ar,
 		}
 		break;
 
+	case AR9170_RX_STATUS_MODULATION_DUPOFDM:
 	case AR9170_RX_STATUS_MODULATION_OFDM:
 		switch (head->plcp[0] & 0xf) {
 		case 0xb:
@@ -897,8 +898,7 @@ static int ar9170_rx_mac_status(struct ar9170 *ar,
 		status->flag |= RX_FLAG_HT;
 		break;
 
-	case AR9170_RX_STATUS_MODULATION_DUPOFDM:
-		/* XXX */
+	default:
 		if (ar9170_nag_limiter(ar))
 			printk(KERN_ERR "%s: invalid modulation\n",
 			       wiphy_name(ar->hw->wiphy));
@@ -2441,6 +2441,7 @@ static int ar9170_conf_tx(struct ieee80211_hw *hw, u16 queue,
 }
 
 static int ar9170_ampdu_action(struct ieee80211_hw *hw,
+			       struct ieee80211_vif *vif,
 			       enum ieee80211_ampdu_mlme_action action,
 			       struct ieee80211_sta *sta, u16 tid, u16 *ssn)
 {
@@ -2470,7 +2471,7 @@ static int ar9170_ampdu_action(struct ieee80211_hw *hw,
 		tid_info->state = AR9170_TID_STATE_PROGRESS;
 		tid_info->active = false;
 		spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags);
-		ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+		ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 		break;
 
 	case IEEE80211_AMPDU_TX_STOP:
@@ -2480,7 +2481,7 @@ static int ar9170_ampdu_action(struct ieee80211_hw *hw,
 		tid_info->active = false;
 		skb_queue_purge(&tid_info->queue);
 		spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags);
-		ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 		break;
 
 	case IEEE80211_AMPDU_TX_OPERATIONAL:
diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c
index 6bdcdf6..e0799d9 100644
--- a/drivers/net/wireless/ath/ar9170/usb.c
+++ b/drivers/net/wireless/ath/ar9170/usb.c
@@ -68,8 +68,10 @@ static struct usb_device_id ar9170_usb_ids[] = {
 	{ USB_DEVICE(0x0cf3, 0x1002) },
 	/* Cace Airpcap NX */
 	{ USB_DEVICE(0xcace, 0x0300) },
-	/* D-Link DWA 160A */
+	/* D-Link DWA 160 A1 */
 	{ USB_DEVICE(0x07d1, 0x3c10) },
+	/* D-Link DWA 160 A2 */
+	{ USB_DEVICE(0x07d1, 0x3a09) },
 	/* Netgear WNDA3100 */
 	{ USB_DEVICE(0x0846, 0x9010) },
 	/* Netgear WN111 v2 */
diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index 721ec5e..bbfdcd5 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -1399,7 +1399,7 @@ static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah,
 	if (i_coffd == 0 || q_coffd == 0)
 		goto done;
 
-	i_coff = ((-iq_corr) / i_coffd) & 0x3f;
+	i_coff = ((-iq_corr) / i_coffd);
 
 	/* Boundary check */
 	if (i_coff > 31)
@@ -1407,7 +1407,7 @@ static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah,
 	if (i_coff < -32)
 		i_coff = -32;
 
-	q_coff = (((s32)i_pwr / q_coffd) - 128) & 0x1f;
+	q_coff = (((s32)i_pwr / q_coffd) - 128);
 
 	/* Boundary check */
 	if (q_coff > 15)
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index d9bcc3a..2a40fa2 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -198,18 +198,8 @@ struct ath_txq {
 	struct list_head axq_q;
 	spinlock_t axq_lock;
 	u32 axq_depth;
-	u8 axq_aggr_depth;
 	bool stopped;
 	bool axq_tx_inprogress;
-	struct ath_buf *axq_linkbuf;
-
-	/* first desc of the last descriptor that contains CTS */
-	struct ath_desc *axq_lastdsWithCTS;
-
-	/* final desc of the gating desc that determines whether
-	   lastdsWithCTS has been DMA'ed or not */
-	struct ath_desc *axq_gatingds;
-
 	struct list_head axq_acq;
 };
 
diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c
index 2f1e161..4a13632 100644
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -231,26 +231,35 @@ void ath9k_cmn_rx_skb_postprocess(struct ath_common *common,
 {
 	struct ath_hw *ah = common->ah;
 	struct ieee80211_hdr *hdr;
-	int hdrlen, padsize;
+	int hdrlen, padpos, padsize;
 	u8 keyix;
 	__le16 fc;
 
 	/* see if any padding is done by the hw and remove it */
 	hdr = (struct ieee80211_hdr *) skb->data;
 	hdrlen = ieee80211_get_hdrlen_from_skb(skb);
+	padpos = 24;
 	fc = hdr->frame_control;
+	if ((fc & cpu_to_le16(IEEE80211_FCTL_FROMDS|IEEE80211_FCTL_TODS)) ==
+	    cpu_to_le16(IEEE80211_FCTL_FROMDS|IEEE80211_FCTL_TODS)) {
+	  padpos += 6; /* ETH_ALEN */
+	}
+	if ((fc & cpu_to_le16(IEEE80211_STYPE_QOS_DATA|IEEE80211_FCTL_FTYPE)) ==
+	    cpu_to_le16(IEEE80211_STYPE_QOS_DATA|IEEE80211_FTYPE_DATA)) {
+	  padpos += 2;
+	}
 
 	/* The MAC header is padded to have 32-bit boundary if the
 	 * packet payload is non-zero. The general calculation for
 	 * padsize would take into account odd header lengths:
-	 * padsize = (4 - hdrlen % 4) % 4; However, since only
+	 * padsize = (4 - padpos % 4) % 4; However, since only
 	 * even-length headers are used, padding can only be 0 or 2
 	 * bytes and we can optimize this a bit. In addition, we must
 	 * not try to remove padding from short control frames that do
 	 * not have payload. */
-	padsize = hdrlen & 3;
-	if (padsize && hdrlen >= 24) {
-		memmove(skb->data + padsize, skb->data, hdrlen);
+	padsize = padpos & 3;
+	if (padsize && skb->len>=padpos+padsize+FCS_LEN) {
+		memmove(skb->data + padsize, skb->data, padpos);
 		skb_pull(skb, padsize);
 	}
 
diff --git a/drivers/net/wireless/ath/ath9k/common.h b/drivers/net/wireless/ath/ath9k/common.h
index 292e3d8..4e11760 100644
--- a/drivers/net/wireless/ath/ath9k/common.h
+++ b/drivers/net/wireless/ath/ath9k/common.h
@@ -81,6 +81,7 @@ struct ath_buf {
 	u16 bf_flags;
 	struct ath_buf_state bf_state;
 	dma_addr_t bf_dmacontext;
+	struct ath_wiphy *aphy;
 };
 
 struct ath_atx_tid {
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 84f4426..06f1fcf 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -257,14 +257,17 @@ static const struct file_operations fops_interrupt = {
 
 void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb)
 {
-	struct ath_tx_info_priv *tx_info_priv = NULL;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_tx_rate *rates = tx_info->status.rates;
-	int final_ts_idx, idx;
+	int final_ts_idx = 0, idx, i;
 	struct ath_rc_stats *stats;
 
-	tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
-	final_ts_idx = tx_info_priv->tx.ts_rateindex;
+	for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+		if (!rates[i].count)
+			break;
+
+		final_ts_idx = i;
+	}
 	idx = rates[final_ts_idx].idx;
 	stats = &sc->debug.stats.rcstats[idx];
 	stats->success++;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index b25eedf..53a7b98 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -390,8 +390,6 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
 	ah->config.cck_trig_high = 200;
 	ah->config.cck_trig_low = 100;
 	ah->config.enable_ani = 1;
-	ah->config.diversity_control = ATH9K_ANT_VARIABLE;
-	ah->config.antenna_switch_swap = 0;
 
 	for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
 		ah->config.spurchans[i][0] = AR_NO_SPUR;
@@ -446,9 +444,6 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
 	ah->acktimeout = (u32) -1;
 	ah->ctstimeout = (u32) -1;
 	ah->globaltxtimeout = (u32) -1;
-
-	ah->gbeacon_rate = 0;
-
 	ah->power_mode = ATH9K_PM_UNDEFINED;
 }
 
@@ -1151,7 +1146,7 @@ static void ath9k_hw_init_chain_masks(struct ath_hw *ah)
 		REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
 			    AR_PHY_SWAP_ALT_CHAIN);
 	case 0x3:
-		if (((ah)->hw_version.macVersion <= AR_SREV_VERSION_9160)) {
+		if (ah->hw_version.macVersion == AR_SREV_REVISION_5416_10) {
 			REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
 			REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
 			break;
@@ -2056,9 +2051,6 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	ah->ath9k_hw_spur_mitigate_freq(ah, chan);
 	ah->eep_ops->set_board_values(ah, chan);
 
-	if (AR_SREV_5416(ah))
-		ath9k_hw_decrease_chain_power(ah, chan);
-
 	REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
 	REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(common->macaddr + 4)
 		  | macStaId1
@@ -3518,51 +3510,6 @@ void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna)
 }
 EXPORT_SYMBOL(ath9k_hw_setantenna);
 
-bool ath9k_hw_setantennaswitch(struct ath_hw *ah,
-			       enum ath9k_ant_setting settings,
-			       struct ath9k_channel *chan,
-			       u8 *tx_chainmask,
-			       u8 *rx_chainmask,
-			       u8 *antenna_cfgd)
-{
-	static u8 tx_chainmask_cfg, rx_chainmask_cfg;
-
-	if (AR_SREV_9280(ah)) {
-		if (!tx_chainmask_cfg) {
-
-			tx_chainmask_cfg = *tx_chainmask;
-			rx_chainmask_cfg = *rx_chainmask;
-		}
-
-		switch (settings) {
-		case ATH9K_ANT_FIXED_A:
-			*tx_chainmask = ATH9K_ANTENNA0_CHAINMASK;
-			*rx_chainmask = ATH9K_ANTENNA0_CHAINMASK;
-			*antenna_cfgd = true;
-			break;
-		case ATH9K_ANT_FIXED_B:
-			if (ah->caps.tx_chainmask >
-			    ATH9K_ANTENNA1_CHAINMASK) {
-				*tx_chainmask = ATH9K_ANTENNA1_CHAINMASK;
-			}
-			*rx_chainmask = ATH9K_ANTENNA1_CHAINMASK;
-			*antenna_cfgd = true;
-			break;
-		case ATH9K_ANT_VARIABLE:
-			*tx_chainmask = tx_chainmask_cfg;
-			*rx_chainmask = rx_chainmask_cfg;
-			*antenna_cfgd = true;
-			break;
-		default:
-			break;
-		}
-	} else {
-		ah->config.diversity_control = settings;
-	}
-
-	return true;
-}
-
 /*********************/
 /* General Operation */
 /*********************/
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index abaa2f0..f8f5e99 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -148,21 +148,6 @@ enum wireless_mode {
 	ATH9K_MODE_MAX,
 };
 
-/**
- * ath9k_ant_setting - transmit antenna settings
- *
- * Configures the antenna setting to use for transmit.
- *
- * @ATH9K_ANT_VARIABLE: this means transmit on all active antennas
- * @ATH9K_ANT_FIXED_A: this means transmit on the first antenna only
- * @ATH9K_ANT_FIXED_B: this means transmit on the second antenna only
- */
-enum ath9k_ant_setting {
-	ATH9K_ANT_VARIABLE = 0,
-	ATH9K_ANT_FIXED_A,
-	ATH9K_ANT_FIXED_B
-};
-
 enum ath9k_hw_caps {
 	ATH9K_HW_CAP_MIC_AESCCM                 = BIT(0),
 	ATH9K_HW_CAP_MIC_CKIP                   = BIT(1),
@@ -226,8 +211,6 @@ struct ath9k_ops_config {
 	u32 cck_trig_high;
 	u32 cck_trig_low;
 	u32 enable_ani;
-	enum ath9k_ant_setting diversity_control;
-	u16 antenna_switch_swap;
 	int serialize_regmode;
 	bool intr_mitigation;
 #define SPUR_DISABLE        	0
@@ -572,7 +555,6 @@ struct ath_hw {
 	u32 acktimeout;
 	u32 ctstimeout;
 	u32 globaltxtimeout;
-	u8 gbeacon_rate;
 
 	/* ANI */
 	u32 proc_phyerr;
@@ -659,11 +641,6 @@ void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
 void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val);
 u32 ath9k_hw_getdefantenna(struct ath_hw *ah);
 void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna);
-bool ath9k_hw_setantennaswitch(struct ath_hw *ah,
-			       enum ath9k_ant_setting settings,
-			       struct ath9k_channel *chan,
-			       u8 *tx_chainmask, u8 *rx_chainmask,
-			       u8 *antenna_cfgd);
 
 /* General Operation */
 bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 3c02b97..cbf5d2a 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1893,6 +1893,8 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 		BIT(NL80211_IFTYPE_ADHOC) |
 		BIT(NL80211_IFTYPE_MESH_POINT);
 
+	hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+
 	hw->queues = 4;
 	hw->max_rates = 4;
 	hw->channel_change_time = 5000;
@@ -2956,90 +2958,62 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_vif *avp = (void *)vif->drv_priv;
-	u32 rfilt = 0;
-	int error, i;
+	int error;
 
 	mutex_lock(&sc->mutex);
 
-	/*
-	 * TODO: Need to decide which hw opmode to use for
-	 *       multi-interface cases
-	 * XXX: This belongs into add_interface!
-	 */
-	if (vif->type == NL80211_IFTYPE_AP &&
-	    ah->opmode != NL80211_IFTYPE_AP) {
-		ah->opmode = NL80211_IFTYPE_STATION;
-		ath9k_hw_setopmode(ah);
-		memcpy(common->curbssid, common->macaddr, ETH_ALEN);
+	if (changed & BSS_CHANGED_BSSID) {
+		/* Set BSSID */
+		memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
+		memcpy(avp->bssid, bss_conf->bssid, ETH_ALEN);
 		common->curaid = 0;
 		ath9k_hw_write_associd(ah);
-		/* Request full reset to get hw opmode changed properly */
-		sc->sc_flags |= SC_OP_FULL_RESET;
-	}
 
-	if ((changed & BSS_CHANGED_BSSID) &&
-	    !is_zero_ether_addr(bss_conf->bssid)) {
-		switch (vif->type) {
-		case NL80211_IFTYPE_STATION:
-		case NL80211_IFTYPE_ADHOC:
-		case NL80211_IFTYPE_MESH_POINT:
-			/* Set BSSID */
-			memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
-			memcpy(avp->bssid, bss_conf->bssid, ETH_ALEN);
-			common->curaid = 0;
-			ath9k_hw_write_associd(ah);
+		/* Set aggregation protection mode parameters */
+		sc->config.ath_aggr_prot = 0;
 
-			/* Set aggregation protection mode parameters */
-			sc->config.ath_aggr_prot = 0;
+		/* Only legacy IBSS for now */
+		if (vif->type == NL80211_IFTYPE_ADHOC)
+			ath_update_chainmask(sc, 0);
 
-			ath_print(common, ATH_DBG_CONFIG,
-				  "RX filter 0x%x bssid %pM aid 0x%x\n",
-				  rfilt, common->curbssid, common->curaid);
+		ath_print(common, ATH_DBG_CONFIG,
+			  "BSSID: %pM aid: 0x%x\n",
+			  common->curbssid, common->curaid);
 
-			/* need to reconfigure the beacon */
-			sc->sc_flags &= ~SC_OP_BEACONS ;
+		/* need to reconfigure the beacon */
+		sc->sc_flags &= ~SC_OP_BEACONS ;
+	}
 
-			break;
-		default:
-			break;
-		}
+	/* Enable transmission of beacons (AP, IBSS, MESH) */
+	if ((changed & BSS_CHANGED_BEACON) ||
+	    ((changed & BSS_CHANGED_BEACON_ENABLED) && bss_conf->enable_beacon)) {
+		ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
+		error = ath_beacon_alloc(aphy, vif);
+		if (!error)
+			ath_beacon_config(sc, vif);
 	}
 
-	if ((vif->type == NL80211_IFTYPE_ADHOC) ||
-	    (vif->type == NL80211_IFTYPE_AP) ||
-	    (vif->type == NL80211_IFTYPE_MESH_POINT)) {
-		if ((changed & BSS_CHANGED_BEACON) ||
-		    (changed & BSS_CHANGED_BEACON_ENABLED &&
-		     bss_conf->enable_beacon)) {
-			/*
-			 * Allocate and setup the beacon frame.
-			 *
-			 * Stop any previous beacon DMA.  This may be
-			 * necessary, for example, when an ibss merge
-			 * causes reconfiguration; we may be called
-			 * with beacon transmission active.
-			 */
-			ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
+	/* Disable transmission of beacons */
+	if ((changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon)
+		ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
 
+	if (changed & BSS_CHANGED_BEACON_INT) {
+		sc->beacon_interval = bss_conf->beacon_int;
+		/*
+		 * In case of AP mode, the HW TSF has to be reset
+		 * when the beacon interval changes.
+		 */
+		if (vif->type == NL80211_IFTYPE_AP) {
+			sc->sc_flags |= SC_OP_TSF_RESET;
+			ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
 			error = ath_beacon_alloc(aphy, vif);
 			if (!error)
 				ath_beacon_config(sc, vif);
+		} else {
+			ath_beacon_config(sc, vif);
 		}
 	}
 
-	/* Check for WLAN_CAPABILITY_PRIVACY ? */
-	if ((avp->av_opmode != NL80211_IFTYPE_STATION)) {
-		for (i = 0; i < IEEE80211_WEP_NKID; i++)
-			if (ath9k_hw_keyisvalid(sc->sc_ah, (u16)i))
-				ath9k_hw_keysetmac(sc->sc_ah,
-						   (u16)i,
-						   common->curbssid);
-	}
-
-	/* Only legacy IBSS for now */
-	if (vif->type == NL80211_IFTYPE_ADHOC)
-		ath_update_chainmask(sc, 0);
-
 	if (changed & BSS_CHANGED_ERP_PREAMBLE) {
 		ath_print(common, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n",
 			  bss_conf->use_short_preamble);
@@ -3065,18 +3039,6 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 		ath9k_bss_assoc_info(sc, vif, bss_conf);
 	}
 
-	/*
-	 * The HW TSF has to be reset when the beacon interval changes.
-	 * We set the flag here, and ath_beacon_config_ap() would take this
-	 * into account when it gets called through the subsequent
-	 * config_interface() call - with IFCC_BEACON in the changed field.
-	 */
-
-	if (changed & BSS_CHANGED_BEACON_INT) {
-		sc->sc_flags |= SC_OP_TSF_RESET;
-		sc->beacon_interval = bss_conf->beacon_int;
-	}
-
 	mutex_unlock(&sc->mutex);
 }
 
@@ -3118,6 +3080,7 @@ static void ath9k_reset_tsf(struct ieee80211_hw *hw)
 }
 
 static int ath9k_ampdu_action(struct ieee80211_hw *hw,
+			      struct ieee80211_vif *vif,
 			      enum ieee80211_ampdu_mlme_action action,
 			      struct ieee80211_sta *sta,
 			      u16 tid, u16 *ssn)
@@ -3135,11 +3098,11 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
 		break;
 	case IEEE80211_AMPDU_TX_START:
 		ath_tx_aggr_start(sc, sta, tid, ssn);
-		ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+		ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 		break;
 	case IEEE80211_AMPDU_TX_STOP:
 		ath_tx_aggr_stop(sc, sta, tid);
-		ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 		break;
 	case IEEE80211_AMPDU_TX_OPERATIONAL:
 		ath_tx_aggr_resume(sc, sta, tid);
diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index 13ab4d7..c3b5939 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -528,95 +528,6 @@ static void ath9k_hw_force_bias(struct ath_hw *ah, u16 synth_freq)
 }
 
 /**
- * ath9k_hw_decrease_chain_power()
- *
- * @ah: atheros hardware structure
- * @chan:
- *
- * Only used on the AR5416 and AR5418 with the external AR2133/AR5133 radios.
- *
- * Sets a chain internal RF path to the lowest output power. Any
- * further writes to bank6 after this setting will override these
- * changes. Thus this function must be the last function in the
- * sequence to modify bank 6.
- *
- * This function must be called after ar5416SetRfRegs() which is
- * called from ath9k_hw_process_ini() due to swizzling of bank 6.
- * Depends on ah->analogBank6Data being initialized by
- * ath9k_hw_set_rf_regs()
- *
- * Additional additive reduction in power -
- * change chain's switch table so chain's tx state is actually the rx
- * state value. May produce different results in 2GHz/5GHz as well as
- * board to board but in general should be a reduction.
- *
- * Activated by #ifdef ALTER_SWITCH.  Not tried yet.  If so, must be
- * called after ah->eep_ops->set_board_values() due to RMW of
- * PHY_SWITCH_CHAIN_0.
- */
-void ath9k_hw_decrease_chain_power(struct ath_hw *ah,
-				   struct ath9k_channel *chan)
-{
-	int i, regWrites = 0;
-	u32 bank6SelMask;
-	u32 *bank6Temp = ah->bank6Temp;
-
-	BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
-
-	switch (ah->config.diversity_control) {
-	case ATH9K_ANT_FIXED_A:
-		bank6SelMask =
-		    (ah->config.antenna_switch_swap & ANTSWAP_AB) ?
-			REDUCE_CHAIN_0 : /* swapped, reduce chain 0 */
-			REDUCE_CHAIN_1; /* normal, select chain 1/2 to reduce */
-		break;
-	case ATH9K_ANT_FIXED_B:
-		bank6SelMask =
-		    (ah->config.antenna_switch_swap & ANTSWAP_AB) ?
-			REDUCE_CHAIN_1 : /* swapped, reduce chain 1/2 */
-			REDUCE_CHAIN_0; /* normal, select chain 0 to reduce */
-		break;
-	case ATH9K_ANT_VARIABLE:
-		return; /* do not change anything */
-		break;
-	default:
-		return; /* do not change anything */
-		break;
-	}
-
-	for (i = 0; i < ah->iniBank6.ia_rows; i++)
-		bank6Temp[i] = ah->analogBank6Data[i];
-
-	/* Write Bank 5 to switch Bank 6 write to selected chain only */
-	REG_WRITE(ah, AR_PHY_BASE + 0xD8, bank6SelMask);
-
-	/*
-	 * Modify Bank6 selected chain to use lowest amplification.
-	 * Modifies the parameters to a value of 1.
-	 * Depends on existing bank 6 values to be cached in
-	 * ah->analogBank6Data
-	 */
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 189, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 190, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 191, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 192, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 193, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 222, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 245, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 246, 0);
-	ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 247, 0);
-
-	REG_WRITE_RF_ARRAY(&ah->iniBank6, bank6Temp, regWrites);
-
-	REG_WRITE(ah, AR_PHY_BASE + 0xD8, 0x00000053);
-#ifdef ALTER_SWITCH
-	REG_WRITE(ah, PHY_SWITCH_CHAIN_0,
-		  (REG_READ(ah, PHY_SWITCH_CHAIN_0) & ~0x38)
-		  | ((REG_READ(ah, PHY_SWITCH_CHAIN_0) >> 3) & 0x38));
-#endif
-}
-
-/**
  * ath9k_hw_set_channel - tune to a channel on the external AR2133/AR5133 radios
  * @ah: atheros hardware stucture
  * @chan:
@@ -687,7 +598,6 @@ int ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 	}
 
 	ath9k_hw_force_bias(ah, freq);
-	ath9k_hw_decrease_chain_power(ah, chan);
 
 	reg32 =
 	    (channelSel << 8) | (aModeRefSel << 2) | (bModeSynth << 1) |
diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h
index dc145a1..31de27d 100644
--- a/drivers/net/wireless/ath/ath9k/phy.h
+++ b/drivers/net/wireless/ath/ath9k/phy.h
@@ -35,9 +35,6 @@ bool ath9k_hw_set_rf_regs(struct ath_hw *ah,
 			  struct ath9k_channel *chan,
 			  u16 modesIndex);
 
-void ath9k_hw_decrease_chain_power(struct ath_hw *ah,
-				   struct ath9k_channel *chan);
-
 #define AR_PHY_BASE     0x9800
 #define AR_PHY(_n)      (AR_PHY_BASE + ((_n)<<2))
 
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index bb72b46..1d96777 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -859,12 +859,12 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
 static bool ath_rc_update_per(struct ath_softc *sc,
 			      const struct ath_rate_table *rate_table,
 			      struct ath_rate_priv *ath_rc_priv,
-			      struct ath_tx_info_priv *tx_info_priv,
+				  struct ieee80211_tx_info *tx_info,
 			      int tx_rate, int xretries, int retries,
 			      u32 now_msec)
 {
 	bool state_change = false;
-	int count;
+	int count, n_bad_frames;
 	u8 last_per;
 	static u32 nretry_to_per_lookup[10] = {
 		100 * 0 / 1,
@@ -880,6 +880,7 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 	};
 
 	last_per = ath_rc_priv->per[tx_rate];
+	n_bad_frames = tx_info->status.ampdu_len - tx_info->status.ampdu_ack_len;
 
 	if (xretries) {
 		if (xretries == 1) {
@@ -907,7 +908,7 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 		if (retries >= count)
 			retries = count - 1;
 
-		if (tx_info_priv->n_bad_frames) {
+		if (n_bad_frames) {
 			/* new_PER = 7/8*old_PER + 1/8*(currentPER)
 			 * Assuming that n_frames is not 0.  The current PER
 			 * from the retries is 100 * retries / (retries+1),
@@ -920,14 +921,14 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 			 * the above PER.  The expression below is a
 			 * simplified version of the sum of these two terms.
 			 */
-			if (tx_info_priv->n_frames > 0) {
-				int n_frames, n_bad_frames;
+			if (tx_info->status.ampdu_len > 0) {
+				int n_frames, n_bad_tries;
 				u8 cur_per, new_per;
 
-				n_bad_frames = retries * tx_info_priv->n_frames +
-					tx_info_priv->n_bad_frames;
-				n_frames = tx_info_priv->n_frames * (retries + 1);
-				cur_per = (100 * n_bad_frames / n_frames) >> 3;
+				n_bad_tries = retries * tx_info->status.ampdu_len +
+					n_bad_frames;
+				n_frames = tx_info->status.ampdu_len * (retries + 1);
+				cur_per = (100 * n_bad_tries / n_frames) >> 3;
 				new_per = (u8)(last_per - (last_per >> 3) + cur_per);
 				ath_rc_priv->per[tx_rate] = new_per;
 			}
@@ -943,8 +944,7 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 		 * this was a probe.  Otherwise, ignore the probe.
 		 */
 		if (ath_rc_priv->probe_rate && ath_rc_priv->probe_rate == tx_rate) {
-			if (retries > 0 || 2 * tx_info_priv->n_bad_frames >
-				tx_info_priv->n_frames) {
+			if (retries > 0 || 2 * n_bad_frames > tx_info->status.ampdu_len) {
 				/*
 				 * Since we probed with just a single attempt,
 				 * any retries means the probe failed.  Also,
@@ -1003,7 +1003,7 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 
 static void ath_rc_update_ht(struct ath_softc *sc,
 			     struct ath_rate_priv *ath_rc_priv,
-			     struct ath_tx_info_priv *tx_info_priv,
+			     struct ieee80211_tx_info *tx_info,
 			     int tx_rate, int xretries, int retries)
 {
 	u32 now_msec = jiffies_to_msecs(jiffies);
@@ -1020,7 +1020,7 @@ static void ath_rc_update_ht(struct ath_softc *sc,
 
 	/* Update PER first */
 	state_change = ath_rc_update_per(sc, rate_table, ath_rc_priv,
-					 tx_info_priv, tx_rate, xretries,
+					 tx_info, tx_rate, xretries,
 					 retries, now_msec);
 
 	/*
@@ -1098,7 +1098,6 @@ static void ath_rc_tx_status(struct ath_softc *sc,
 			     struct ieee80211_tx_info *tx_info,
 			     int final_ts_idx, int xretries, int long_retry)
 {
-	struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
 	const struct ath_rate_table *rate_table;
 	struct ieee80211_tx_rate *rates = tx_info->status.rates;
 	u8 flags;
@@ -1124,9 +1123,8 @@ static void ath_rc_tx_status(struct ath_softc *sc,
 					return;
 
 				rix = ath_rc_get_rateindex(rate_table, &rates[i]);
-				ath_rc_update_ht(sc, ath_rc_priv,
-						tx_info_priv, rix,
-						xretries ? 1 : 2,
+				ath_rc_update_ht(sc, ath_rc_priv, tx_info,
+						rix, xretries ? 1 : 2,
 						rates[i].count);
 			}
 		}
@@ -1149,8 +1147,7 @@ static void ath_rc_tx_status(struct ath_softc *sc,
 		return;
 
 	rix = ath_rc_get_rateindex(rate_table, &rates[i]);
-	ath_rc_update_ht(sc, ath_rc_priv, tx_info_priv, rix,
-			 xretries, long_retry);
+	ath_rc_update_ht(sc, ath_rc_priv, tx_info, rix, xretries, long_retry);
 }
 
 static const
@@ -1301,23 +1298,30 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 {
 	struct ath_softc *sc = priv;
 	struct ath_rate_priv *ath_rc_priv = priv_sta;
-	struct ath_tx_info_priv *tx_info_priv = NULL;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_hdr *hdr;
-	int final_ts_idx, tx_status = 0, is_underrun = 0;
+	int final_ts_idx = 0, tx_status = 0, is_underrun = 0;
+	int long_retry = 0;
 	__le16 fc;
+	int i;
 
 	hdr = (struct ieee80211_hdr *)skb->data;
 	fc = hdr->frame_control;
-	tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
-	final_ts_idx = tx_info_priv->tx.ts_rateindex;
+	for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+		struct ieee80211_tx_rate *rate = &tx_info->status.rates[i];
+		if (!rate->count)
+			break;
+
+		final_ts_idx = i;
+		long_retry = rate->count - 1;
+	}
 
 	if (!priv_sta || !ieee80211_is_data(fc) ||
-	    !tx_info_priv->update_rc)
-		goto exit;
+	    !(tx_info->pad[0] & ATH_TX_INFO_UPDATE_RC))
+		return;
 
-	if (tx_info_priv->tx.ts_status & ATH9K_TXERR_FILT)
-		goto exit;
+	if (tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED)
+		return;
 
 	/*
 	 * If underrun error is seen assume it as an excessive retry only
@@ -1325,20 +1329,17 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 	 * Adjust the long retry as if the frame was tried hw->max_rate_tries
 	 * times. This affects how ratectrl updates PER for the failed rate.
 	 */
-	if (tx_info_priv->tx.ts_flags &
-	    (ATH9K_TX_DATA_UNDERRUN | ATH9K_TX_DELIM_UNDERRUN) &&
-	    ((sc->sc_ah->tx_trig_level) >= ath_rc_priv->tx_triglevel_max)) {
+	if ((tx_info->pad[0] & ATH_TX_INFO_UNDERRUN) &&
+	    (sc->sc_ah->tx_trig_level >= ath_rc_priv->tx_triglevel_max)) {
 		tx_status = 1;
 		is_underrun = 1;
 	}
 
-	if ((tx_info_priv->tx.ts_status & ATH9K_TXERR_XRETRY) ||
-	    (tx_info_priv->tx.ts_status & ATH9K_TXERR_FIFO))
+	if (tx_info->pad[0] & ATH_TX_INFO_XRETRY)
 		tx_status = 1;
 
 	ath_rc_tx_status(sc, ath_rc_priv, tx_info, final_ts_idx, tx_status,
-			 (is_underrun) ? sc->hw->max_rate_tries :
-			 tx_info_priv->tx.ts_longretry);
+			 (is_underrun) ? sc->hw->max_rate_tries : long_retry);
 
 	/* Check if aggregation has to be enabled for this tid */
 	if (conf_is_ht(&sc->hw->conf) &&
@@ -1352,13 +1353,11 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 			an = (struct ath_node *)sta->drv_priv;
 
 			if(ath_tx_aggr_check(sc, an, tid))
-				ieee80211_start_tx_ba_session(sc->hw, hdr->addr1, tid);
+				ieee80211_start_tx_ba_session(sta, tid);
 		}
 	}
 
 	ath_debug_stat_rc(sc, skb);
-exit:
-	kfree(tx_info_priv);
 }
 
 static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
index 94cb9f8..51f85ec 100644
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -167,24 +167,18 @@ struct ath_rate_priv {
 	struct ath_rate_softc *asc;
 };
 
+#define ATH_TX_INFO_FRAME_TYPE_INTERNAL	(1 << 0)
+#define ATH_TX_INFO_FRAME_TYPE_PAUSE	(1 << 1)
+#define ATH_TX_INFO_UPDATE_RC		(1 << 2)
+#define ATH_TX_INFO_XRETRY		(1 << 3)
+#define ATH_TX_INFO_UNDERRUN		(1 << 4)
+
 enum ath9k_internal_frame_type {
 	ATH9K_NOT_INTERNAL,
 	ATH9K_INT_PAUSE,
 	ATH9K_INT_UNPAUSE
 };
 
-struct ath_tx_info_priv {
-	struct ath_wiphy *aphy;
-	struct ath_tx_status tx;
-	int n_frames;
-	int n_bad_frames;
-	bool update_rc;
-	enum ath9k_internal_frame_type frame_type;
-};
-
-#define ATH_TX_INFO_PRIV(tx_info) \
-	((struct ath_tx_info_priv *)((tx_info)->rate_driver_data[0]))
-
 void ath_rate_attach(struct ath_softc *sc);
 u8 ath_rate_findrateix(struct ath_softc *sc, u8 dot11_rate);
 int ath_rate_control_register(void);
diff --git a/drivers/net/wireless/ath/ath9k/virtual.c b/drivers/net/wireless/ath/ath9k/virtual.c
index 0a36b57..cd26caa 100644
--- a/drivers/net/wireless/ath/ath9k/virtual.c
+++ b/drivers/net/wireless/ath/ath9k/virtual.c
@@ -338,13 +338,11 @@ void ath9k_wiphy_chan_work(struct work_struct *work)
 void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 {
 	struct ath_wiphy *aphy = hw->priv;
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-	struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
 
-	if (tx_info_priv && tx_info_priv->frame_type == ATH9K_INT_PAUSE &&
+	if ((tx_info->pad[0] & ATH_TX_INFO_FRAME_TYPE_PAUSE) &&
 	    aphy->state == ATH_WIPHY_PAUSING) {
-		if (!(info->flags & IEEE80211_TX_STAT_ACK)) {
+		if (!(tx_info->flags & IEEE80211_TX_STAT_ACK)) {
 			printk(KERN_DEBUG "ath9k: %s: no ACK for pause "
 			       "frame\n", wiphy_name(hw->wiphy));
 			/*
@@ -363,9 +361,6 @@ void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 		}
 	}
 
-	kfree(tx_info_priv);
-	tx_info->rate_driver_data[0] = NULL;
-
 	dev_kfree_skb(skb);
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 86b54dd..745d919 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -251,6 +251,7 @@ static struct ath_buf* ath_clone_txbuf(struct ath_softc *sc, struct ath_buf *bf)
 
 	ATH_TXBUF_RESET(tbf);
 
+	tbf->aphy = bf->aphy;
 	tbf->bf_mpdu = bf->bf_mpdu;
 	tbf->bf_buf_addr = bf->bf_buf_addr;
 	*(tbf->bf_desc) = *(bf->bf_desc);
@@ -270,7 +271,6 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 	struct ieee80211_hw *hw;
 	struct ieee80211_hdr *hdr;
 	struct ieee80211_tx_info *tx_info;
-	struct ath_tx_info_priv *tx_info_priv;
 	struct ath_atx_tid *tid = NULL;
 	struct ath_buf *bf_next, *bf_last = bf->bf_lastbf;
 	struct ath_desc *ds = bf_last->bf_desc;
@@ -284,8 +284,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 	hdr = (struct ieee80211_hdr *)skb->data;
 
 	tx_info = IEEE80211_SKB_CB(skb);
-	tx_info_priv = (struct ath_tx_info_priv *) tx_info->rate_driver_data[0];
-	hw = tx_info_priv->aphy->hw;
+	hw = bf->aphy->hw;
 
 	rcu_read_lock();
 
@@ -464,7 +463,6 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
 	struct sk_buff *skb;
 	struct ieee80211_tx_info *tx_info;
 	struct ieee80211_tx_rate *rates;
-	struct ath_tx_info_priv *tx_info_priv;
 	u32 max_4ms_framelen, frmlen;
 	u16 aggr_limit, legacy = 0;
 	int i;
@@ -472,7 +470,6 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
 	skb = bf->bf_mpdu;
 	tx_info = IEEE80211_SKB_CB(skb);
 	rates = tx_info->control.rates;
-	tx_info_priv = (struct ath_tx_info_priv *)tx_info->rate_driver_data[0];
 
 	/*
 	 * Find the lowest frame length among the rate series that will have a
@@ -702,7 +699,6 @@ static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
 		/* anchor last desc of aggregate */
 		ath9k_hw_set11n_aggr_last(sc->sc_ah, bf->bf_lastbf->bf_desc);
 
-		txq->axq_aggr_depth++;
 		ath_tx_txqaddbuf(sc, txq, &bf_q);
 		TX_STAT_INC(txq->axq_qnum, a_aggr);
 
@@ -878,8 +874,6 @@ struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
 		INIT_LIST_HEAD(&txq->axq_acq);
 		spin_lock_init(&txq->axq_lock);
 		txq->axq_depth = 0;
-		txq->axq_aggr_depth = 0;
-		txq->axq_linkbuf = NULL;
 		txq->axq_tx_inprogress = false;
 		sc->tx.txqsetup |= 1<<qnum;
 	}
@@ -1014,7 +1008,6 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
 
 		if (list_empty(&txq->axq_q)) {
 			txq->axq_link = NULL;
-			txq->axq_linkbuf = NULL;
 			spin_unlock_bh(&txq->axq_lock);
 			break;
 		}
@@ -1199,7 +1192,6 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
 
 	list_splice_tail_init(head, &txq->axq_q);
 	txq->axq_depth++;
-	txq->axq_linkbuf = list_entry(txq->axq_q.prev, struct ath_buf, list);
 
 	ath_print(common, ATH_DBG_QUEUE,
 		  "qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth);
@@ -1560,21 +1552,26 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
 	struct ath_softc *sc = aphy->sc;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	struct ath_tx_info_priv *tx_info_priv;
 	int hdrlen;
 	__le16 fc;
 
-	tx_info_priv = kzalloc(sizeof(*tx_info_priv), GFP_ATOMIC);
-	if (unlikely(!tx_info_priv))
-		return -ENOMEM;
-	tx_info->rate_driver_data[0] = tx_info_priv;
-	tx_info_priv->aphy = aphy;
-	tx_info_priv->frame_type = txctl->frame_type;
+	tx_info->pad[0] = 0;
+	switch (txctl->frame_type) {
+	case ATH9K_NOT_INTERNAL:
+		break;
+	case ATH9K_INT_PAUSE:
+		tx_info->pad[0] |= ATH_TX_INFO_FRAME_TYPE_PAUSE;
+		/* fall through */
+	case ATH9K_INT_UNPAUSE:
+		tx_info->pad[0] |= ATH_TX_INFO_FRAME_TYPE_INTERNAL;
+		break;
+	}
 	hdrlen = ieee80211_get_hdrlen_from_skb(skb);
 	fc = hdr->frame_control;
 
 	ATH_TXBUF_RESET(bf);
 
+	bf->aphy = aphy;
 	bf->bf_frmlen = skb->len + FCS_LEN - (hdrlen & 3);
 
 	if (conf_is_ht(&hw->conf) && !is_pae(skb))
@@ -1599,8 +1596,6 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
 					   skb->len, DMA_TO_DEVICE);
 	if (unlikely(dma_mapping_error(sc->dev, bf->bf_dmacontext))) {
 		bf->bf_mpdu = NULL;
-		kfree(tx_info_priv);
-		tx_info->rate_driver_data[0] = NULL;
 		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
 			  "dma_mapping_error() on TX\n");
 		return -ENOMEM;
@@ -1781,27 +1776,17 @@ exit:
 /*****************/
 
 static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
-			    int tx_flags)
+			    struct ath_wiphy *aphy, int tx_flags)
 {
 	struct ieee80211_hw *hw = sc->hw;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-	struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	int hdrlen, padsize;
-	int frame_type = ATH9K_NOT_INTERNAL;
 
 	ath_print(common, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb);
 
-	if (tx_info_priv) {
-		hw = tx_info_priv->aphy->hw;
-		frame_type = tx_info_priv->frame_type;
-	}
-
-	if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK ||
-	    tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
-		kfree(tx_info_priv);
-		tx_info->rate_driver_data[0] = NULL;
-	}
+	if (aphy)
+		hw = aphy->hw;
 
 	if (tx_flags & ATH_TX_BAR)
 		tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
@@ -1833,10 +1818,10 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
 					SC_OP_WAIT_FOR_TX_ACK));
 	}
 
-	if (frame_type == ATH9K_NOT_INTERNAL)
-		ieee80211_tx_status(hw, skb);
-	else
+	if (unlikely(tx_info->pad[0] & ATH_TX_INFO_FRAME_TYPE_INTERNAL))
 		ath9k_tx_status(hw, skb);
+	else
+		ieee80211_tx_status(hw, skb);
 }
 
 static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
@@ -1859,7 +1844,7 @@ static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
 	}
 
 	dma_unmap_single(sc->dev, bf->bf_dmacontext, skb->len, DMA_TO_DEVICE);
-	ath_tx_complete(sc, skb, tx_flags);
+	ath_tx_complete(sc, skb, bf->aphy, tx_flags);
 	ath_debug_stat_tx(sc, txq, bf);
 
 	/*
@@ -1907,8 +1892,7 @@ static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
 	struct sk_buff *skb = bf->bf_mpdu;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-	struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
-	struct ieee80211_hw *hw = tx_info_priv->aphy->hw;
+	struct ieee80211_hw *hw = bf->aphy->hw;
 	u8 i, tx_rateindex;
 
 	if (txok)
@@ -1917,17 +1901,22 @@ static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
 	tx_rateindex = ds->ds_txstat.ts_rateindex;
 	WARN_ON(tx_rateindex >= hw->max_rates);
 
-	tx_info_priv->update_rc = update_rc;
+	if (update_rc)
+		tx_info->pad[0] |= ATH_TX_INFO_UPDATE_RC;
 	if (ds->ds_txstat.ts_status & ATH9K_TXERR_FILT)
 		tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
 
 	if ((ds->ds_txstat.ts_status & ATH9K_TXERR_FILT) == 0 &&
 	    (bf->bf_flags & ATH9K_TXDESC_NOACK) == 0 && update_rc) {
 		if (ieee80211_is_data(hdr->frame_control)) {
-			memcpy(&tx_info_priv->tx, &ds->ds_txstat,
-			       sizeof(tx_info_priv->tx));
-			tx_info_priv->n_frames = bf->bf_nframes;
-			tx_info_priv->n_bad_frames = nbad;
+			if (ds->ds_txstat.ts_flags &
+			    (ATH9K_TX_DATA_UNDERRUN | ATH9K_TX_DELIM_UNDERRUN))
+				tx_info->pad[0] |= ATH_TX_INFO_UNDERRUN;
+			if ((ds->ds_txstat.ts_status & ATH9K_TXERR_XRETRY) ||
+			    (ds->ds_txstat.ts_status & ATH9K_TXERR_FIFO))
+				tx_info->pad[0] |= ATH_TX_INFO_XRETRY;
+			tx_info->status.ampdu_len = bf->bf_nframes;
+			tx_info->status.ampdu_ack_len = bf->bf_nframes - nbad;
 		}
 	}
 
@@ -1971,7 +1960,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 		spin_lock_bh(&txq->axq_lock);
 		if (list_empty(&txq->axq_q)) {
 			txq->axq_link = NULL;
-			txq->axq_linkbuf = NULL;
 			spin_unlock_bh(&txq->axq_lock);
 			break;
 		}
@@ -2005,10 +1993,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 			spin_unlock_bh(&txq->axq_lock);
 			break;
 		}
-		if (bf->bf_desc == txq->axq_lastdsWithCTS)
-			txq->axq_lastdsWithCTS = NULL;
-		if (ds == txq->axq_gatingds)
-			txq->axq_gatingds = NULL;
 
 		/*
 		 * Remove ath_buf's of the same transmit unit from txq,
@@ -2022,9 +2006,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 				&txq->axq_q, lastbf->list.prev);
 
 		txq->axq_depth--;
-		if (bf_isaggr(bf))
-			txq->axq_aggr_depth--;
-
 		txok = (ds->ds_txstat.ts_status == 0);
 		txq->axq_tx_inprogress = false;
 		spin_unlock_bh(&txq->axq_lock);
diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c
index 077bcc1..039ac49 100644
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -450,7 +450,7 @@ ath_regd_init_wiphy(struct ath_regulatory *reg,
 	const struct ieee80211_regdomain *regd;
 
 	wiphy->reg_notifier = reg_notifier;
-	wiphy->strict_regulatory = true;
+	wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
 
 	if (ath_is_world_regd(reg)) {
 		/*
@@ -458,8 +458,7 @@ ath_regd_init_wiphy(struct ath_regulatory *reg,
 		 * saved on the wiphy orig_* parameters
 		 */
 		regd = ath_world_regdomain(reg);
-		wiphy->custom_regulatory = true;
-		wiphy->strict_regulatory = false;
+		wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
 	} else {
 		/*
 		 * This gets applied in the case of the absense of CRDA,