path: root/package/mac80211/patches/300-pending_work.patch

--- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
@@ -170,33 +170,104 @@ static bool ar9002_hw_get_isr(struct ath
 	return true;
 }
 
-static void ar9002_hw_fill_txdesc(struct ath_hw *ah, void *ds, u32 seglen,
-				  bool is_firstseg, bool is_lastseg,
-				  const void *ds0, dma_addr_t buf_addr,
-				  unsigned int qcu)
+static void
+ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
 {
 	struct ar5416_desc *ads = AR5416DESC(ds);
+	u32 ctl1, ctl6;
 
-	ads->ds_data = buf_addr;
-
-	if (is_firstseg) {
-		ads->ds_ctl1 |= seglen | (is_lastseg ? 0 : AR_TxMore);
-	} else if (is_lastseg) {
-		ads->ds_ctl0 = 0;
-		ads->ds_ctl1 = seglen;
-		ads->ds_ctl2 = AR5416DESC_CONST(ds0)->ds_ctl2;
-		ads->ds_ctl3 = AR5416DESC_CONST(ds0)->ds_ctl3;
-	} else {
-		ads->ds_ctl0 = 0;
-		ads->ds_ctl1 = seglen | AR_TxMore;
-		ads->ds_ctl2 = 0;
-		ads->ds_ctl3 = 0;
-	}
 	ads->ds_txstatus0 = ads->ds_txstatus1 = 0;
 	ads->ds_txstatus2 = ads->ds_txstatus3 = 0;
 	ads->ds_txstatus4 = ads->ds_txstatus5 = 0;
 	ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
 	ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
+
+	ACCESS_ONCE(ads->ds_link) = i->link;
+	ACCESS_ONCE(ads->ds_data) = i->buf_addr[0];
+
+	ctl1 = i->buf_len[0] | (i->is_last ? 0 : AR_TxMore);
+	ctl6 = SM(i->keytype, AR_EncrType);
+
+	if (AR_SREV_9285(ah)) {
+		ads->ds_ctl8 = 0;
+		ads->ds_ctl9 = 0;
+		ads->ds_ctl10 = 0;
+		ads->ds_ctl11 = 0;
+	}
+
+	if ((i->is_first || i->is_last) &&
+	    i->aggr != AGGR_BUF_MIDDLE && i->aggr != AGGR_BUF_LAST) {
+		ACCESS_ONCE(ads->ds_ctl2) = set11nTries(i->rates, 0)
+			| set11nTries(i->rates, 1)
+			| set11nTries(i->rates, 2)
+			| set11nTries(i->rates, 3)
+			| (i->dur_update ? AR_DurUpdateEna : 0)
+			| SM(0, AR_BurstDur);
+
+		ACCESS_ONCE(ads->ds_ctl3) = set11nRate(i->rates, 0)
+			| set11nRate(i->rates, 1)
+			| set11nRate(i->rates, 2)
+			| set11nRate(i->rates, 3);
+	} else {
+		ACCESS_ONCE(ads->ds_ctl2) = 0;
+		ACCESS_ONCE(ads->ds_ctl3) = 0;
+	}
+
+	if (!i->is_first) {
+		ACCESS_ONCE(ads->ds_ctl0) = 0;
+		ACCESS_ONCE(ads->ds_ctl1) = ctl1;
+		ACCESS_ONCE(ads->ds_ctl6) = ctl6;
+		return;
+	}
+
+	ctl1 |= (i->keyix != ATH9K_TXKEYIX_INVALID ? SM(i->keyix, AR_DestIdx) : 0)
+		| SM(i->type, AR_FrameType)
+		| (i->flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
+		| (i->flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
+		| (i->flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
+
+	switch (i->aggr) {
+	case AGGR_BUF_FIRST:
+		ctl6 |= SM(i->aggr_len, AR_AggrLen);
+		/* fall through */
+	case AGGR_BUF_MIDDLE:
+		ctl1 |= AR_IsAggr | AR_MoreAggr;
+		ctl6 |= SM(i->ndelim, AR_PadDelim);
+		break;
+	case AGGR_BUF_LAST:
+		ctl1 |= AR_IsAggr;
+		break;
+	case AGGR_BUF_NONE:
+		break;
+	}
+
+	ACCESS_ONCE(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen)
+		| (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
+		| SM(i->txpower, AR_XmitPower)
+		| (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
+		| (i->flags & ATH9K_TXDESC_INTREQ ? AR_TxIntrReq : 0)
+		| (i->keyix != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
+		| (i->flags & ATH9K_TXDESC_CLRDMASK ? AR_ClrDestMask : 0)
+		| (i->flags & ATH9K_TXDESC_RTSENA ? AR_RTSEnable :
+		   (i->flags & ATH9K_TXDESC_CTSENA ? AR_CTSEnable : 0));
+
+	ACCESS_ONCE(ads->ds_ctl1) = ctl1;
+	ACCESS_ONCE(ads->ds_ctl6) = ctl6;
+
+	if (i->aggr == AGGR_BUF_MIDDLE || i->aggr == AGGR_BUF_LAST)
+		return;
+
+	ACCESS_ONCE(ads->ds_ctl4) = set11nPktDurRTSCTS(i->rates, 0)
+		| set11nPktDurRTSCTS(i->rates, 1);
+
+	ACCESS_ONCE(ads->ds_ctl5) = set11nPktDurRTSCTS(i->rates, 2)
+		| set11nPktDurRTSCTS(i->rates, 3);
+
+	ACCESS_ONCE(ads->ds_ctl7) = set11nRateFlags(i->rates, 0)
+		| set11nRateFlags(i->rates, 1)
+		| set11nRateFlags(i->rates, 2)
+		| set11nRateFlags(i->rates, 3)
+		| SM(i->rtscts_rate, AR_RTSCTSRate);
 }
 
 static int ar9002_hw_proc_txdesc(struct ath_hw *ah, void *ds,
@@ -271,145 +342,6 @@ static int ar9002_hw_proc_txdesc(struct 
 	return 0;
 }
 
-static void ar9002_hw_set11n_txdesc(struct ath_hw *ah, void *ds,
-				    u32 pktLen, enum ath9k_pkt_type type,
-				    u32 txPower, u8 keyIx,
-				    enum ath9k_key_type keyType, u32 flags)
-{
-	struct ar5416_desc *ads = AR5416DESC(ds);
-
-	if (txPower > 63)
-		txPower = 63;
-
-	ads->ds_ctl0 = (pktLen & AR_FrameLen)
-		| (flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
-		| SM(txPower, AR_XmitPower)
-		| (flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
-		| (flags & ATH9K_TXDESC_INTREQ ? AR_TxIntrReq : 0)
-		| (keyIx != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0);
-
-	ads->ds_ctl1 =
-		(keyIx != ATH9K_TXKEYIX_INVALID ? SM(keyIx, AR_DestIdx) : 0)
-		| SM(type, AR_FrameType)
-		| (flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
-		| (flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
-		| (flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
-
-	ads->ds_ctl6 = SM(keyType, AR_EncrType);
-
-	if (AR_SREV_9285(ah) || AR_SREV_9271(ah)) {
-		ads->ds_ctl8 = 0;
-		ads->ds_ctl9 = 0;
-		ads->ds_ctl10 = 0;
-		ads->ds_ctl11 = 0;
-	}
-}
-
-static void ar9002_hw_set_clrdmask(struct ath_hw *ah, void *ds, bool val)
-{
-	struct ar5416_desc *ads = AR5416DESC(ds);
-
-	if (val)
-		ads->ds_ctl0 |= AR_ClrDestMask;
-	else
-		ads->ds_ctl0 &= ~AR_ClrDestMask;
-}
-
-static void ar9002_hw_set11n_ratescenario(struct ath_hw *ah, void *ds,
-					  void *lastds,
-					  u32 durUpdateEn, u32 rtsctsRate,
-					  u32 rtsctsDuration,
-					  struct ath9k_11n_rate_series series[],
-					  u32 nseries, u32 flags)
-{
-	struct ar5416_desc *ads = AR5416DESC(ds);
-	struct ar5416_desc *last_ads = AR5416DESC(lastds);
-	u32 ds_ctl0;
-
-	if (flags & (ATH9K_TXDESC_RTSENA | ATH9K_TXDESC_CTSENA)) {
-		ds_ctl0 = ads->ds_ctl0;
-
-		if (flags & ATH9K_TXDESC_RTSENA) {
-			ds_ctl0 &= ~AR_CTSEnable;
-			ds_ctl0 |= AR_RTSEnable;
-		} else {
-			ds_ctl0 &= ~AR_RTSEnable;
-			ds_ctl0 |= AR_CTSEnable;
-		}
-
-		ads->ds_ctl0 = ds_ctl0;
-	} else {
-		ads->ds_ctl0 =
-			(ads->ds_ctl0 & ~(AR_RTSEnable | AR_CTSEnable));
-	}
-
-	ads->ds_ctl2 = set11nTries(series, 0)
-		| set11nTries(series, 1)
-		| set11nTries(series, 2)
-		| set11nTries(series, 3)
-		| (durUpdateEn ? AR_DurUpdateEna : 0)
-		| SM(0, AR_BurstDur);
-
-	ads->ds_ctl3 = set11nRate(series, 0)
-		| set11nRate(series, 1)
-		| set11nRate(series, 2)
-		| set11nRate(series, 3);
-
-	ads->ds_ctl4 = set11nPktDurRTSCTS(series, 0)
-		| set11nPktDurRTSCTS(series, 1);
-
-	ads->ds_ctl5 = set11nPktDurRTSCTS(series, 2)
-		| set11nPktDurRTSCTS(series, 3);
-
-	ads->ds_ctl7 = set11nRateFlags(series, 0)
-		| set11nRateFlags(series, 1)
-		| set11nRateFlags(series, 2)
-		| set11nRateFlags(series, 3)
-		| SM(rtsctsRate, AR_RTSCTSRate);
-	last_ads->ds_ctl2 = ads->ds_ctl2;
-	last_ads->ds_ctl3 = ads->ds_ctl3;
-}
-
-static void ar9002_hw_set11n_aggr_first(struct ath_hw *ah, void *ds,
-					u32 aggrLen)
-{
-	struct ar5416_desc *ads = AR5416DESC(ds);
-
-	ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
-	ads->ds_ctl6 &= ~AR_AggrLen;
-	ads->ds_ctl6 |= SM(aggrLen, AR_AggrLen);
-}
-
-static void ar9002_hw_set11n_aggr_middle(struct ath_hw *ah, void *ds,
-					 u32 numDelims)
-{
-	struct ar5416_desc *ads = AR5416DESC(ds);
-	unsigned int ctl6;
-
-	ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
-
-	ctl6 = ads->ds_ctl6;
-	ctl6 &= ~AR_PadDelim;
-	ctl6 |= SM(numDelims, AR_PadDelim);
-	ads->ds_ctl6 = ctl6;
-}
-
-static void ar9002_hw_set11n_aggr_last(struct ath_hw *ah, void *ds)
-{
-	struct ar5416_desc *ads = AR5416DESC(ds);
-
-	ads->ds_ctl1 |= AR_IsAggr;
-	ads->ds_ctl1 &= ~AR_MoreAggr;
-	ads->ds_ctl6 &= ~AR_PadDelim;
-}
-
-static void ar9002_hw_clr11n_aggr(struct ath_hw *ah, void *ds)
-{
-	struct ar5416_desc *ads = AR5416DESC(ds);
-
-	ads->ds_ctl1 &= (~AR_IsAggr & ~AR_MoreAggr);
-}
-
 void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
 			  u32 size, u32 flags)
 {
@@ -433,13 +365,6 @@ void ar9002_hw_attach_mac_ops(struct ath
 	ops->rx_enable = ar9002_hw_rx_enable;
 	ops->set_desc_link = ar9002_hw_set_desc_link;
 	ops->get_isr = ar9002_hw_get_isr;
-	ops->fill_txdesc = ar9002_hw_fill_txdesc;
+	ops->set_txdesc = ar9002_set_txdesc;
 	ops->proc_txdesc = ar9002_hw_proc_txdesc;
-	ops->set11n_txdesc = ar9002_hw_set11n_txdesc;
-	ops->set11n_ratescenario = ar9002_hw_set11n_ratescenario;
-	ops->set11n_aggr_first = ar9002_hw_set11n_aggr_first;
-	ops->set11n_aggr_middle = ar9002_hw_set11n_aggr_middle;
-	ops->set11n_aggr_last = ar9002_hw_set11n_aggr_last;
-	ops->clr11n_aggr = ar9002_hw_clr11n_aggr;
-	ops->set_clrdmask = ar9002_hw_set_clrdmask;
 }
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -652,8 +652,9 @@ static void ar9003_hw_detect_outlier(int
 			outlier_idx = max_idx;
 		else
 			outlier_idx = min_idx;
+
+		mp_coeff[outlier_idx] = mp_avg;
 	}
-	mp_coeff[outlier_idx] = mp_avg;
 }
 
 static void ar9003_hw_tx_iqcal_load_avg_2_passes(struct ath_hw *ah,
@@ -884,6 +885,7 @@ static bool ar9003_hw_init_cal(struct at
 	if (txiqcal_done)
 		ar9003_hw_tx_iq_cal_post_proc(ah);
 
+	ath9k_hw_loadnf(ah, chan);
 	ath9k_hw_start_nfcal(ah, true);
 
 	/* Initialize list pointers */
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -21,6 +21,132 @@ static void ar9003_hw_rx_enable(struct a
 	REG_WRITE(hw, AR_CR, 0);
 }
 
+static void
+ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
+{
+	struct ar9003_txc *ads = ds;
+	int checksum = 0;
+	u32 val, ctl12, ctl17;
+
+	val = (ATHEROS_VENDOR_ID << AR_DescId_S) |
+	      (1 << AR_TxRxDesc_S) |
+	      (1 << AR_CtrlStat_S) |
+	      (i->qcu << AR_TxQcuNum_S) | 0x17;
+
+	checksum += val;
+	ACCESS_ONCE(ads->info) = val;
+
+	checksum += i->link;
+	ACCESS_ONCE(ads->link) = i->link;
+
+	checksum += i->buf_addr[0];
+	ACCESS_ONCE(ads->data0) = i->buf_addr[0];
+	checksum += i->buf_addr[1];
+	ACCESS_ONCE(ads->data1) = i->buf_addr[1];
+	checksum += i->buf_addr[2];
+	ACCESS_ONCE(ads->data2) = i->buf_addr[2];
+	checksum += i->buf_addr[3];
+	ACCESS_ONCE(ads->data3) = i->buf_addr[3];
+
+	checksum += (val = (i->buf_len[0] << AR_BufLen_S) & AR_BufLen);
+	ACCESS_ONCE(ads->ctl3) = val;
+	checksum += (val = (i->buf_len[1] << AR_BufLen_S) & AR_BufLen);
+	ACCESS_ONCE(ads->ctl5) = val;
+	checksum += (val = (i->buf_len[2] << AR_BufLen_S) & AR_BufLen);
+	ACCESS_ONCE(ads->ctl7) = val;
+	checksum += (val = (i->buf_len[3] << AR_BufLen_S) & AR_BufLen);
+	ACCESS_ONCE(ads->ctl9) = val;
+
+	checksum = (u16) (((checksum & 0xffff) + (checksum >> 16)) & 0xffff);
+	ACCESS_ONCE(ads->ctl10) = checksum;
+
+	if (i->is_first || i->is_last) {
+		ACCESS_ONCE(ads->ctl13) = set11nTries(i->rates, 0)
+			| set11nTries(i->rates, 1)
+			| set11nTries(i->rates, 2)
+			| set11nTries(i->rates, 3)
+			| (i->dur_update ? AR_DurUpdateEna : 0)
+			| SM(0, AR_BurstDur);
+
+		ACCESS_ONCE(ads->ctl14) = set11nRate(i->rates, 0)
+			| set11nRate(i->rates, 1)
+			| set11nRate(i->rates, 2)
+			| set11nRate(i->rates, 3);
+	} else {
+		ACCESS_ONCE(ads->ctl13) = 0;
+		ACCESS_ONCE(ads->ctl14) = 0;
+	}
+
+	ads->ctl20 = 0;
+	ads->ctl21 = 0;
+	ads->ctl22 = 0;
+
+	ctl17 = SM(i->keytype, AR_EncrType);
+	if (!i->is_first) {
+		ACCESS_ONCE(ads->ctl11) = 0;
+		ACCESS_ONCE(ads->ctl12) = i->is_last ? 0 : AR_TxMore;
+		ACCESS_ONCE(ads->ctl15) = 0;
+		ACCESS_ONCE(ads->ctl16) = 0;
+		ACCESS_ONCE(ads->ctl17) = ctl17;
+		ACCESS_ONCE(ads->ctl18) = 0;
+		ACCESS_ONCE(ads->ctl19) = 0;
+		return;
+	}
+
+	ACCESS_ONCE(ads->ctl11) = (i->pkt_len & AR_FrameLen)
+		| (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
+		| SM(i->txpower, AR_XmitPower)
+		| (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
+		| (i->keyix != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
+		| (i->flags & ATH9K_TXDESC_LOWRXCHAIN ? AR_LowRxChain : 0)
+		| (i->flags & ATH9K_TXDESC_CLRDMASK ? AR_ClrDestMask : 0)
+		| (i->flags & ATH9K_TXDESC_RTSENA ? AR_RTSEnable :
+		   (i->flags & ATH9K_TXDESC_CTSENA ? AR_CTSEnable : 0));
+
+	ctl12 = (i->keyix != ATH9K_TXKEYIX_INVALID ?
+		 SM(i->keyix, AR_DestIdx) : 0)
+		| SM(i->type, AR_FrameType)
+		| (i->flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
+		| (i->flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
+		| (i->flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
+
+	ctl17 |= (i->flags & ATH9K_TXDESC_LDPC ? AR_LDPC : 0);
+	switch (i->aggr) {
+	case AGGR_BUF_FIRST:
+		ctl17 |= SM(i->aggr_len, AR_AggrLen);
+		/* fall through */
+	case AGGR_BUF_MIDDLE:
+		ctl12 |= AR_IsAggr | AR_MoreAggr;
+		ctl17 |= SM(i->ndelim, AR_PadDelim);
+		break;
+	case AGGR_BUF_LAST:
+		ctl12 |= AR_IsAggr;
+		break;
+	case AGGR_BUF_NONE:
+		break;
+	}
+
+	val = (i->flags & ATH9K_TXDESC_PAPRD) >> ATH9K_TXDESC_PAPRD_S;
+	ctl12 |= SM(val, AR_PAPRDChainMask);
+
+	ACCESS_ONCE(ads->ctl12) = ctl12;
+	ACCESS_ONCE(ads->ctl17) = ctl17;
+
+	ACCESS_ONCE(ads->ctl15) = set11nPktDurRTSCTS(i->rates, 0)
+		| set11nPktDurRTSCTS(i->rates, 1);
+
+	ACCESS_ONCE(ads->ctl16) = set11nPktDurRTSCTS(i->rates, 2)
+		| set11nPktDurRTSCTS(i->rates, 3);
+
+	ACCESS_ONCE(ads->ctl18) = set11nRateFlags(i->rates, 0)
+		| set11nRateFlags(i->rates, 1)
+		| set11nRateFlags(i->rates, 2)
+		| set11nRateFlags(i->rates, 3)
+		| SM(i->rtscts_rate, AR_RTSCTSRate);
+
+	ACCESS_ONCE(ads->ctl19) = AR_Not_Sounding;
+}
+
 static u16 ar9003_calc_ptr_chksum(struct ar9003_txc *ads)
 {
 	int checksum;
@@ -185,47 +311,6 @@ static bool ar9003_hw_get_isr(struct ath
 	return true;
 }
 
-static void ar9003_hw_fill_txdesc(struct ath_hw *ah, void *ds, u32 seglen,
-				  bool is_firstseg, bool is_lastseg,
-				  const void *ds0, dma_addr_t buf_addr,
-				  unsigned int qcu)
-{
-	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
-	unsigned int descid = 0;
-
-	ads->info = (ATHEROS_VENDOR_ID << AR_DescId_S) |
-				     (1 << AR_TxRxDesc_S) |
-				     (1 << AR_CtrlStat_S) |
-				     (qcu << AR_TxQcuNum_S) | 0x17;
-
-	ads->data0 = buf_addr;
-	ads->data1 = 0;
-	ads->data2 = 0;
-	ads->data3 = 0;
-
-	ads->ctl3 = (seglen << AR_BufLen_S);
-	ads->ctl3 &= AR_BufLen;
-
-	/* Fill in pointer checksum and descriptor id */
-	ads->ctl10 = ar9003_calc_ptr_chksum(ads);
-	ads->ctl10 |= (descid << AR_TxDescId_S);
-
-	if (is_firstseg) {
-		ads->ctl12 |= (is_lastseg ? 0 : AR_TxMore);
-	} else if (is_lastseg) {
-		ads->ctl11 = 0;
-		ads->ctl12 = 0;
-		ads->ctl13 = AR9003TXC_CONST(ds0)->ctl13;
-		ads->ctl14 = AR9003TXC_CONST(ds0)->ctl14;
-	} else {
-		/* XXX Intermediate descriptor in a multi-descriptor frame.*/
-		ads->ctl11 = 0;
-		ads->ctl12 = AR_TxMore;
-		ads->ctl13 = 0;
-		ads->ctl14 = 0;
-	}
-}
-
 static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
 				 struct ath_tx_status *ts)
 {
@@ -310,161 +395,6 @@ static int ar9003_hw_proc_txdesc(struct 
 	return 0;
 }
 
-static void ar9003_hw_set11n_txdesc(struct ath_hw *ah, void *ds,
-		u32 pktlen, enum ath9k_pkt_type type, u32 txpower,
-		u8 keyIx, enum ath9k_key_type keyType, u32 flags)
-{
-	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
-
-	if (txpower > ah->txpower_limit)
-		txpower = ah->txpower_limit;
-
-	if (txpower > 63)
-		txpower = 63;
-
-	ads->ctl11 = (pktlen & AR_FrameLen)
-		| (flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
-		| SM(txpower, AR_XmitPower)
-		| (flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
-		| (keyIx != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
-		| (flags & ATH9K_TXDESC_LOWRXCHAIN ? AR_LowRxChain : 0);
-
-	ads->ctl12 =
-		(keyIx != ATH9K_TXKEYIX_INVALID ? SM(keyIx, AR_DestIdx) : 0)
-		| SM(type, AR_FrameType)
-		| (flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
-		| (flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
-		| (flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
-
-	ads->ctl17 = SM(keyType, AR_EncrType) |
-		     (flags & ATH9K_TXDESC_LDPC ? AR_LDPC : 0);
-	ads->ctl18 = 0;
-	ads->ctl19 = AR_Not_Sounding;
-
-	ads->ctl20 = 0;
-	ads->ctl21 = 0;
-	ads->ctl22 = 0;
-}
-
-static void ar9003_hw_set_clrdmask(struct ath_hw *ah, void *ds, bool val)
-{
-	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
-
-	if (val)
-		ads->ctl11 |= AR_ClrDestMask;
-	else
-		ads->ctl11 &= ~AR_ClrDestMask;
-}
-
-static void ar9003_hw_set11n_ratescenario(struct ath_hw *ah, void *ds,
-					  void *lastds,
-					  u32 durUpdateEn, u32 rtsctsRate,
-					  u32 rtsctsDuration,
-					  struct ath9k_11n_rate_series series[],
-					  u32 nseries, u32 flags)
-{
-	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
-	struct ar9003_txc *last_ads = (struct ar9003_txc *) lastds;
-	u_int32_t ctl11;
-
-	if (flags & (ATH9K_TXDESC_RTSENA | ATH9K_TXDESC_CTSENA)) {
-		ctl11 = ads->ctl11;
-
-		if (flags & ATH9K_TXDESC_RTSENA) {
-			ctl11 &= ~AR_CTSEnable;
-			ctl11 |= AR_RTSEnable;
-		} else {
-			ctl11 &= ~AR_RTSEnable;
-			ctl11 |= AR_CTSEnable;
-		}
-
-		ads->ctl11 = ctl11;
-	} else {
-		ads->ctl11 = (ads->ctl11 & ~(AR_RTSEnable | AR_CTSEnable));
-	}
-
-	ads->ctl13 = set11nTries(series, 0)
-		|  set11nTries(series, 1)
-		|  set11nTries(series, 2)
-		|  set11nTries(series, 3)
-		|  (durUpdateEn ? AR_DurUpdateEna : 0)
-		|  SM(0, AR_BurstDur);
-
-	ads->ctl14 = set11nRate(series, 0)
-		|  set11nRate(series, 1)
-		|  set11nRate(series, 2)
-		|  set11nRate(series, 3);
-
-	ads->ctl15 = set11nPktDurRTSCTS(series, 0)
-		|  set11nPktDurRTSCTS(series, 1);
-
-	ads->ctl16 = set11nPktDurRTSCTS(series, 2)
-		|  set11nPktDurRTSCTS(series, 3);
-
-	ads->ctl18 = set11nRateFlags(series, 0)
-		|  set11nRateFlags(series, 1)
-		|  set11nRateFlags(series, 2)
-		|  set11nRateFlags(series, 3)
-		| SM(rtsctsRate, AR_RTSCTSRate);
-	ads->ctl19 = AR_Not_Sounding;
-
-	last_ads->ctl13 = ads->ctl13;
-	last_ads->ctl14 = ads->ctl14;
-}
-
-static void ar9003_hw_set11n_aggr_first(struct ath_hw *ah, void *ds,
-					u32 aggrLen)
-{
-	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
-
-	ads->ctl12 |= (AR_IsAggr | AR_MoreAggr);
-
-	ads->ctl17 &= ~AR_AggrLen;
-	ads->ctl17 |= SM(aggrLen, AR_AggrLen);
-}
-
-static void ar9003_hw_set11n_aggr_middle(struct ath_hw *ah, void *ds,
-					 u32 numDelims)
-{
-	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
-	unsigned int ctl17;
-
-	ads->ctl12 |= (AR_IsAggr | AR_MoreAggr);
-
-	/*
-	 * We use a stack variable to manipulate ctl6 to reduce uncached
-	 * read modify, modfiy, write.
-	 */
-	ctl17 = ads->ctl17;
-	ctl17 &= ~AR_PadDelim;
-	ctl17 |= SM(numDelims, AR_PadDelim);
-	ads->ctl17 = ctl17;
-}
-
-static void ar9003_hw_set11n_aggr_last(struct ath_hw *ah, void *ds)
-{
-	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
-
-	ads->ctl12 |= AR_IsAggr;
-	ads->ctl12 &= ~AR_MoreAggr;
-	ads->ctl17 &= ~AR_PadDelim;
-}
-
-static void ar9003_hw_clr11n_aggr(struct ath_hw *ah, void *ds)
-{
-	struct ar9003_txc *ads = (struct ar9003_txc *) ds;
-
-	ads->ctl12 &= (~AR_IsAggr & ~AR_MoreAggr);
-}
-
-void ar9003_hw_set_paprd_txdesc(struct ath_hw *ah, void *ds, u8 chains)
-{
-	struct ar9003_txc *ads = ds;
-
-	ads->ctl12 |= SM(chains, AR_PAPRDChainMask);
-}
-EXPORT_SYMBOL(ar9003_hw_set_paprd_txdesc);
-
 void ar9003_hw_attach_mac_ops(struct ath_hw *hw)
 {
 	struct ath_hw_ops *ops = ath9k_hw_ops(hw);
@@ -472,15 +402,8 @@ void ar9003_hw_attach_mac_ops(struct ath
 	ops->rx_enable = ar9003_hw_rx_enable;
 	ops->set_desc_link = ar9003_hw_set_desc_link;
 	ops->get_isr = ar9003_hw_get_isr;
-	ops->fill_txdesc = ar9003_hw_fill_txdesc;
+	ops->set_txdesc = ar9003_set_txdesc;
 	ops->proc_txdesc = ar9003_hw_proc_txdesc;
-	ops->set11n_txdesc = ar9003_hw_set11n_txdesc;
-	ops->set11n_ratescenario = ar9003_hw_set11n_ratescenario;
-	ops->set11n_aggr_first = ar9003_hw_set11n_aggr_first;
-	ops->set11n_aggr_middle = ar9003_hw_set11n_aggr_middle;
-	ops->set11n_aggr_last = ar9003_hw_set11n_aggr_last;
-	ops->clr11n_aggr = ar9003_hw_clr11n_aggr;
-	ops->set_clrdmask = ar9003_hw_set_clrdmask;
 }
 
 void ath9k_hw_set_rx_bufsize(struct ath_hw *ah, u16 buf_size)
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -87,17 +87,14 @@ struct ath_config {
  * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX)
  * @BUF_AGGR: Indicates whether the buffer can be aggregated
  *	(used in aggregation scheduling)
- * @BUF_XRETRY: To denote excessive retries of the buffer
  */
 enum buffer_type {
 	BUF_AMPDU		= BIT(0),
 	BUF_AGGR		= BIT(1),
-	BUF_XRETRY		= BIT(2),
 };
 
 #define bf_isampdu(bf)		(bf->bf_state.bf_type & BUF_AMPDU)
 #define bf_isaggr(bf)		(bf->bf_state.bf_type & BUF_AGGR)
-#define bf_isxretried(bf)	(bf->bf_state.bf_type & BUF_XRETRY)
 
 #define ATH_TXSTATUS_RING_SIZE 64
 
@@ -216,6 +213,7 @@ struct ath_frame_info {
 struct ath_buf_state {
 	u8 bf_type;
 	u8 bfs_paprd;
+	u8 ndelim;
 	u16 seqno;
 	unsigned long bfs_paprd_timestamp;
 };
@@ -230,7 +228,6 @@ struct ath_buf {
 	dma_addr_t bf_daddr;		/* physical addr of desc */
 	dma_addr_t bf_buf_addr;	/* physical addr of data buffer, for DMA */
 	bool bf_stale;
-	u16 bf_flags;
 	struct ath_buf_state bf_state;
 };
 
@@ -277,8 +274,7 @@ struct ath_tx_control {
 };
 
 #define ATH_TX_ERROR        0x01
-#define ATH_TX_XRETRY       0x02
-#define ATH_TX_BAR          0x04
+#define ATH_TX_BAR          0x02
 
 /**
  * @txq_map:  Index is mac80211 queue number.  This is
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -73,44 +73,39 @@ static void ath_beacon_setup(struct ath_
 	struct sk_buff *skb = bf->bf_mpdu;
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
-	struct ath_desc *ds;
-	struct ath9k_11n_rate_series series[4];
-	int flags, ctsrate = 0, ctsduration = 0;
+	struct ath_tx_info info;
 	struct ieee80211_supported_band *sband;
+	u8 chainmask = ah->txchainmask;
 	u8 rate = 0;
 
 	ath9k_reset_beacon_status(sc);
 
-	ds = bf->bf_desc;
-	flags = ATH9K_TXDESC_NOACK;
-
-	ds->ds_link = 0;
-
 	sband = &sc->sbands[common->hw->conf.channel->band];
 	rate = sband->bitrates[rateidx].hw_value;
 	if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
 		rate |= sband->bitrates[rateidx].hw_value_short;
 
-	ath9k_hw_set11n_txdesc(ah, ds, skb->len + FCS_LEN,
-			       ATH9K_PKT_TYPE_BEACON,
-			       MAX_RATE_POWER,
-			       ATH9K_TXKEYIX_INVALID,
-			       ATH9K_KEY_TYPE_CLEAR,
-			       flags);
-
-	/* NB: beacon's BufLen must be a multiple of 4 bytes */
-	ath9k_hw_filltxdesc(ah, ds, roundup(skb->len, 4),
-			    true, true, ds, bf->bf_buf_addr,
-			    sc->beacon.beaconq);
-
-	memset(series, 0, sizeof(struct ath9k_11n_rate_series) * 4);
-	series[0].Tries = 1;
-	series[0].Rate = rate;
-	series[0].ChSel = ath_txchainmask_reduction(sc,
-			ah->txchainmask, series[0].Rate);
-	series[0].RateFlags = (ctsrate) ? ATH9K_RATESERIES_RTS_CTS : 0;
-	ath9k_hw_set11n_ratescenario(ah, ds, ds, 0, ctsrate, ctsduration,
-				     series, 4, 0);
+	memset(&info, 0, sizeof(info));
+	info.pkt_len = skb->len + FCS_LEN;
+	info.type = ATH9K_PKT_TYPE_BEACON;
+	info.txpower = MAX_RATE_POWER;
+	info.keyix = ATH9K_TXKEYIX_INVALID;
+	info.keytype = ATH9K_KEY_TYPE_CLEAR;
+	info.flags = ATH9K_TXDESC_NOACK;
+
+	info.buf_addr[0] = bf->bf_buf_addr;
+	info.buf_len[0] = roundup(skb->len, 4);
+
+	info.is_first = true;
+	info.is_last = true;
+
+	info.qcu = sc->beacon.beaconq;
+
+	info.rates[0].Tries = 1;
+	info.rates[0].Rate = rate;
+	info.rates[0].ChSel = ath_txchainmask_reduction(sc, chainmask, rate);
+
+	ath9k_hw_set_txdesc(ah, bf->bf_desc, &info);
 }
 
 static void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb)
@@ -517,6 +512,7 @@ static void ath_beacon_config_ap(struct 
 	/* Set the computed AP beacon timers */
 
 	ath9k_hw_disable_interrupts(ah);
+	sc->sc_flags |= SC_OP_TSF_RESET;
 	ath9k_beacon_init(sc, nexttbtt, intval);
 	sc->beacon.bmisscnt = 0;
 	ath9k_hw_set_interrupts(ah, ah->imask);
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -826,7 +826,8 @@ static ssize_t read_file_misc(struct fil
 }
 
 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
-		       struct ath_tx_status *ts, struct ath_txq *txq)
+		       struct ath_tx_status *ts, struct ath_txq *txq,
+		       unsigned int flags)
 {
 #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
 			[sc->debug.tsidx].c)
@@ -836,12 +837,12 @@ void ath_debug_stat_tx(struct ath_softc 
 	sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
 
 	if (bf_isampdu(bf)) {
-		if (bf_isxretried(bf))
+		if (flags & ATH_TX_BAR)
 			TX_STAT_INC(qnum, a_xretries);
 		else
 			TX_STAT_INC(qnum, a_completed);
 	} else {
-		if (bf_isxretried(bf))
+		if (ts->ts_status & ATH9K_TXERR_XRETRY)
 			TX_STAT_INC(qnum, xretries);
 		else
 			TX_STAT_INC(qnum, completed);
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -230,7 +230,8 @@ int ath9k_init_debug(struct ath_hw *ah);
 void ath9k_debug_samp_bb_mac(struct ath_softc *sc);
 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
-		       struct ath_tx_status *ts, struct ath_txq *txq);
+		       struct ath_tx_status *ts, struct ath_txq *txq,
+		       unsigned int flags);
 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs);
 
 #else
@@ -252,7 +253,8 @@ static inline void ath_debug_stat_interr
 static inline void ath_debug_stat_tx(struct ath_softc *sc,
 				     struct ath_buf *bf,
 				     struct ath_tx_status *ts,
-				     struct ath_txq *txq)
+				     struct ath_txq *txq,
+				     unsigned int flags)
 {
 }
 
--- a/drivers/net/wireless/ath/ath9k/hw-ops.h
+++ b/drivers/net/wireless/ath/ath9k/hw-ops.h
@@ -54,13 +54,10 @@ static inline bool ath9k_hw_getisr(struc
 	return ath9k_hw_ops(ah)->get_isr(ah, masked);
 }
 
-static inline void ath9k_hw_filltxdesc(struct ath_hw *ah, void *ds, u32 seglen,
-				  bool is_firstseg, bool is_lastseg,
-				  const void *ds0, dma_addr_t buf_addr,
-				  unsigned int qcu)
+static inline void ath9k_hw_set_txdesc(struct ath_hw *ah, void *ds,
+				       struct ath_tx_info *i)
 {
-	ath9k_hw_ops(ah)->fill_txdesc(ah, ds, seglen, is_firstseg, is_lastseg,
-				      ds0, buf_addr, qcu);
+	return ath9k_hw_ops(ah)->set_txdesc(ah, ds, i);
 }
 
 static inline int ath9k_hw_txprocdesc(struct ath_hw *ah, void *ds,
@@ -69,55 +66,6 @@ static inline int ath9k_hw_txprocdesc(st
 	return ath9k_hw_ops(ah)->proc_txdesc(ah, ds, ts);
 }
 
-static inline void ath9k_hw_set11n_txdesc(struct ath_hw *ah, void *ds,
-					  u32 pktLen, enum ath9k_pkt_type type,
-					  u32 txPower, u32 keyIx,
-					  enum ath9k_key_type keyType,
-					  u32 flags)
-{
-	ath9k_hw_ops(ah)->set11n_txdesc(ah, ds, pktLen, type, txPower, keyIx,
-				      keyType, flags);
-}
-
-static inline void ath9k_hw_set11n_ratescenario(struct ath_hw *ah, void *ds,
-					void *lastds,
-					u32 durUpdateEn, u32 rtsctsRate,
-					u32 rtsctsDuration,
-					struct ath9k_11n_rate_series series[],
-					u32 nseries, u32 flags)
-{
-	ath9k_hw_ops(ah)->set11n_ratescenario(ah, ds, lastds, durUpdateEn,
-					    rtsctsRate, rtsctsDuration, series,
-					    nseries, flags);
-}
-
-static inline void ath9k_hw_set11n_aggr_first(struct ath_hw *ah, void *ds,
-					u32 aggrLen)
-{
-	ath9k_hw_ops(ah)->set11n_aggr_first(ah, ds, aggrLen);
-}
-
-static inline void ath9k_hw_set11n_aggr_middle(struct ath_hw *ah, void *ds,
-					       u32 numDelims)
-{
-	ath9k_hw_ops(ah)->set11n_aggr_middle(ah, ds, numDelims);
-}
-
-static inline void ath9k_hw_set11n_aggr_last(struct ath_hw *ah, void *ds)
-{
-	ath9k_hw_ops(ah)->set11n_aggr_last(ah, ds);
-}
-
-static inline void ath9k_hw_clr11n_aggr(struct ath_hw *ah, void *ds)
-{
-	ath9k_hw_ops(ah)->clr11n_aggr(ah, ds);
-}
-
-static inline void ath9k_hw_set_clrdmask(struct ath_hw *ah, void *ds, bool val)
-{
-	ath9k_hw_ops(ah)->set_clrdmask(ah, ds, val);
-}
-
 static inline void ath9k_hw_antdiv_comb_conf_get(struct ath_hw *ah,
 		struct ath_hw_antcomb_conf *antconf)
 {
@@ -233,11 +181,6 @@ static inline void ath9k_hw_restore_chai
 	return ath9k_hw_private_ops(ah)->restore_chainmask(ah);
 }
 
-static inline void ath9k_hw_set_diversity(struct ath_hw *ah, bool value)
-{
-	return ath9k_hw_private_ops(ah)->set_diversity(ah, value);
-}
-
 static inline bool ath9k_hw_ani_control(struct ath_hw *ah,
 					enum ath9k_ani_cmd cmd, int param)
 {
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1496,14 +1496,16 @@ int ath9k_hw_reset(struct ath_hw *ah, st
 	}
 	ah->noise = ath9k_hw_getchan_noise(ah, chan);
 
+	if ((AR_SREV_9280(ah) && common->bus_ops->ath_bus_type == ATH_PCI) ||
+	    (AR_SREV_9300_20_OR_LATER(ah) && IS_CHAN_5GHZ(chan)))
+		bChannelChange = false;
+
 	if (bChannelChange &&
 	    (ah->chip_fullsleep != true) &&
 	    (ah->curchan != NULL) &&
 	    (chan->channel != ah->curchan->channel) &&
 	    ((chan->channelFlags & CHANNEL_ALL) ==
-	     (ah->curchan->channelFlags & CHANNEL_ALL)) &&
-	    (!AR_SREV_9280(ah) || AR_DEVID_7010(ah))) {
-
+	     (ah->curchan->channelFlags & CHANNEL_ALL))) {
 		if (ath9k_hw_channel_change(ah, chan)) {
 			ath9k_hw_loadnf(ah, ah->curchan);
 			ath9k_hw_start_nfcal(ah, true);
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -583,7 +583,6 @@ struct ath_hw_private_ops {
 	bool (*rfbus_req)(struct ath_hw *ah);
 	void (*rfbus_done)(struct ath_hw *ah);
 	void (*restore_chainmask)(struct ath_hw *ah);
-	void (*set_diversity)(struct ath_hw *ah, bool value);
 	u32 (*compute_pll_control)(struct ath_hw *ah,
 				   struct ath9k_channel *chan);
 	bool (*ani_control)(struct ath_hw *ah, enum ath9k_ani_cmd cmd,
@@ -615,30 +614,10 @@ struct ath_hw_ops {
 			  u8 rxchainmask,
 			  bool longcal);
 	bool (*get_isr)(struct ath_hw *ah, enum ath9k_int *masked);
-	void (*fill_txdesc)(struct ath_hw *ah, void *ds, u32 seglen,
-			    bool is_firstseg, bool is_is_lastseg,
-			    const void *ds0, dma_addr_t buf_addr,
-			    unsigned int qcu);
+	void (*set_txdesc)(struct ath_hw *ah, void *ds,
+			   struct ath_tx_info *i);
 	int (*proc_txdesc)(struct ath_hw *ah, void *ds,
 			   struct ath_tx_status *ts);
-	void (*set11n_txdesc)(struct ath_hw *ah, void *ds,
-			      u32 pktLen, enum ath9k_pkt_type type,
-			      u32 txPower, u8 keyIx,
-			      enum ath9k_key_type keyType,
-			      u32 flags);
-	void (*set11n_ratescenario)(struct ath_hw *ah, void *ds,
-				void *lastds,
-				u32 durUpdateEn, u32 rtsctsRate,
-				u32 rtsctsDuration,
-				struct ath9k_11n_rate_series series[],
-				u32 nseries, u32 flags);
-	void (*set11n_aggr_first)(struct ath_hw *ah, void *ds,
-				  u32 aggrLen);
-	void (*set11n_aggr_middle)(struct ath_hw *ah, void *ds,
-				   u32 numDelims);
-	void (*set11n_aggr_last)(struct ath_hw *ah, void *ds);
-	void (*clr11n_aggr)(struct ath_hw *ah, void *ds);
-	void (*set_clrdmask)(struct ath_hw *ah, void *ds, bool val);
 	void (*antdiv_comb_conf_get)(struct ath_hw *ah,
 			struct ath_hw_antcomb_conf *antconf);
 	void (*antdiv_comb_conf_set)(struct ath_hw *ah,
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -62,18 +62,6 @@ void ath9k_hw_txstart(struct ath_hw *ah,
 }
 EXPORT_SYMBOL(ath9k_hw_txstart);
 
-void ath9k_hw_cleartxdesc(struct ath_hw *ah, void *ds)
-{
-	struct ar5416_desc *ads = AR5416DESC(ds);
-
-	ads->ds_txstatus0 = ads->ds_txstatus1 = 0;
-	ads->ds_txstatus2 = ads->ds_txstatus3 = 0;
-	ads->ds_txstatus4 = ads->ds_txstatus5 = 0;
-	ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
-	ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
-}
-EXPORT_SYMBOL(ath9k_hw_cleartxdesc);
-
 u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q)
 {
 	u32 npend;
@@ -596,7 +584,7 @@ int ath9k_hw_rxprocdesc(struct ath_hw *a
 	else
 		rs->rs_keyix = ATH9K_RXKEYIX_INVALID;
 
-	rs->rs_rate = RXSTATUS_RATE(ah, (&ads));
+	rs->rs_rate = MS(ads.ds_rxstatus0, AR_RxRate);
 	rs->rs_more = (ads.ds_rxstatus1 & AR_RxMore) ? 1 : 0;
 
 	rs->rs_isaggr = (ads.ds_rxstatus8 & AR_RxAggr) ? 1 : 0;
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -17,10 +17,6 @@
 #ifndef MAC_H
 #define MAC_H
 
-#define RXSTATUS_RATE(ah, ads) (AR_SREV_5416_20_OR_LATER(ah) ?		\
-				MS(ads->ds_rxstatus0, AR_RxRate) :	\
-				(ads->ds_rxstatus3 >> 2) & 0xFF)
-
 #define set11nTries(_series, _index) \
 	(SM((_series)[_index].Tries, AR_XmitDataTries##_index))
 
@@ -263,7 +259,11 @@ struct ath_desc {
 #define ATH9K_TXDESC_VMF		0x0100
 #define ATH9K_TXDESC_FRAG_IS_ON 	0x0200
 #define ATH9K_TXDESC_LOWRXCHAIN		0x0400
-#define ATH9K_TXDESC_LDPC		0x00010000
+#define ATH9K_TXDESC_LDPC		0x0800
+#define ATH9K_TXDESC_CLRDMASK		0x1000
+
+#define ATH9K_TXDESC_PAPRD		0x70000
+#define ATH9K_TXDESC_PAPRD_S		16
 
 #define ATH9K_RXDESC_INTREQ		0x0020
 
@@ -659,6 +659,13 @@ struct ath9k_11n_rate_series {
 	u32 RateFlags;
 };
 
+enum aggr_type {
+	AGGR_BUF_NONE,
+	AGGR_BUF_FIRST,
+	AGGR_BUF_MIDDLE,
+	AGGR_BUF_LAST,
+};
+
 enum ath9k_key_type {
 	ATH9K_KEY_TYPE_CLEAR,
 	ATH9K_KEY_TYPE_WEP,
@@ -666,6 +673,33 @@ enum ath9k_key_type {
 	ATH9K_KEY_TYPE_TKIP,
 };
 
+struct ath_tx_info {
+	u8 qcu;
+
+	bool is_first;
+	bool is_last;
+
+	enum aggr_type aggr;
+	u8 ndelim;
+	u16 aggr_len;
+
+	dma_addr_t link;
+	int pkt_len;
+	u32 flags;
+
+	dma_addr_t buf_addr[4];
+	int buf_len[4];
+
+	struct ath9k_11n_rate_series rates[4];
+	u8 rtscts_rate;
+	bool dur_update;
+
+	enum ath9k_pkt_type type;
+	enum ath9k_key_type keytype;
+	u8 keyix;
+	u8 txpower;
+};
+
 struct ath_hw;
 struct ath9k_channel;
 enum ath9k_int;
@@ -673,7 +707,6 @@ enum ath9k_int;
 u32 ath9k_hw_gettxbuf(struct ath_hw *ah, u32 q);
 void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp);
 void ath9k_hw_txstart(struct ath_hw *ah, u32 q);
-void ath9k_hw_cleartxdesc(struct ath_hw *ah, void *ds);
 u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q);
 bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel);
 bool ath9k_hw_stop_dma_queue(struct ath_hw *ah, u32 q);
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -111,24 +111,29 @@ void ath9k_ps_wakeup(struct ath_softc *s
 void ath9k_ps_restore(struct ath_softc *sc)
 {
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+	enum ath9k_power_mode mode;
 	unsigned long flags;
 
 	spin_lock_irqsave(&sc->sc_pm_lock, flags);
 	if (--sc->ps_usecount != 0)
 		goto unlock;
 
-	spin_lock(&common->cc_lock);
-	ath_hw_cycle_counters_update(common);
-	spin_unlock(&common->cc_lock);
-
 	if (sc->ps_idle)
-		ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
+		mode = ATH9K_PM_FULL_SLEEP;
 	else if (sc->ps_enabled &&
 		 !(sc->ps_flags & (PS_WAIT_FOR_BEACON |
 			      PS_WAIT_FOR_CAB |
 			      PS_WAIT_FOR_PSPOLL_DATA |
 			      PS_WAIT_FOR_TX_ACK)))
-		ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
+		mode = ATH9K_PM_NETWORK_SLEEP;
+	else
+		goto unlock;
+
+	spin_lock(&common->cc_lock);
+	ath_hw_cycle_counters_update(common);
+	spin_unlock(&common->cc_lock);
+
+	ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
 
  unlock:
 	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
@@ -247,8 +252,8 @@ static bool ath_prepare_reset(struct ath
 
 	if (!flush) {
 		if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
-			ath_rx_tasklet(sc, 0, true);
-		ath_rx_tasklet(sc, 0, false);
+			ath_rx_tasklet(sc, 1, true);
+		ath_rx_tasklet(sc, 1, false);
 	} else {
 		ath_flushrecv(sc);
 	}
@@ -669,15 +674,15 @@ void ath9k_tasklet(unsigned long data)
 	u32 status = sc->intrstatus;
 	u32 rxmask;
 
+	ath9k_ps_wakeup(sc);
+	spin_lock(&sc->sc_pcu_lock);
+
 	if ((status & ATH9K_INT_FATAL) ||
 	    (status & ATH9K_INT_BB_WATCHDOG)) {
 		ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
-		return;
+		goto out;
 	}
 
-	ath9k_ps_wakeup(sc);
-	spin_lock(&sc->sc_pcu_lock);
-
 	/*
 	 * Only run the baseband hang check if beacons stop working in AP or
 	 * IBSS mode, because it has a high false positive rate. For station
@@ -725,6 +730,7 @@ void ath9k_tasklet(unsigned long data)
 		if (status & ATH9K_INT_GENTIMER)
 			ath_gen_timer_isr(sc->sc_ah);
 
+out:
 	/* re-enable hardware interrupt */
 	ath9k_hw_enable_interrupts(ah);
 
@@ -2015,6 +2021,7 @@ static void ath9k_config_bss(struct ath_
 		/* Stop ANI */
 		sc->sc_flags &= ~SC_OP_ANI_RUN;
 		del_timer_sync(&common->ani.timer);
+		memset(&sc->caldata, 0, sizeof(sc->caldata));
 	}
 }
 
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -332,16 +332,16 @@ static int ath_pci_resume(struct device 
 	if ((val & 0x0000ff00) != 0)
 		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 
+	ath9k_ps_wakeup(sc);
 	/* Enable LED */
 	ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
 			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
-	ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
+	ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
 
 	  /*
 	   * Reset key cache to sane defaults (all entries cleared) instead of
 	   * semi-random values after suspend/resume.
 	   */
-	ath9k_ps_wakeup(sc);
 	ath9k_cmn_init_crypto(sc->sc_ah);
 	ath9k_ps_restore(sc);
 
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -1839,7 +1839,7 @@ int ath_rx_tasklet(struct ath_softc *sc,
 		 * If we're asked to flush receive queue, directly
 		 * chain it back at the queue without processing it.
 		 */
-		if (flush)
+		if (sc->sc_flags & SC_OP_RXFLUSH)
 			goto requeue_drop_frag;
 
 		retval = ath9k_rx_skb_preprocess(common, hw, hdr, &rs,
@@ -1967,7 +1967,8 @@ requeue:
 		} else {
 			list_move_tail(&bf->list, &sc->rx.rxbuf);
 			ath_rx_buf_link(sc, bf);
-			ath9k_hw_rxena(ah);
+			if (!flush)
+				ath9k_hw_rxena(ah);
 		}
 	} while (1);
 
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -56,10 +56,9 @@ static void ath_tx_complete_buf(struct a
 				struct ath_tx_status *ts, int txok, int sendbar);
 static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
 			     struct list_head *head, bool internal);
-static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len);
 static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf,
 			     struct ath_tx_status *ts, int nframes, int nbad,
-			     int txok, bool update_rc);
+			     int txok);
 static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid,
 			      int seqno);
 static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
@@ -263,6 +262,7 @@ static void ath_tx_set_retry(struct ath_
 			     struct sk_buff *skb)
 {
 	struct ath_frame_info *fi = get_frame_info(skb);
+	struct ath_buf *bf = fi->bf;
 	struct ieee80211_hdr *hdr;
 
 	TX_STAT_INC(txq->axq_qnum, a_retries);
@@ -271,6 +271,8 @@ static void ath_tx_set_retry(struct ath_
 
 	hdr = (struct ieee80211_hdr *)skb->data;
 	hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_RETRY);
+	dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
+		sizeof(*hdr), DMA_TO_DEVICE);
 }
 
 static struct ath_buf *ath_tx_get_buffer(struct ath_softc *sc)
@@ -390,11 +392,9 @@ static void ath_tx_complete_aggr(struct 
 		while (bf) {
 			bf_next = bf->bf_next;
 
-			bf->bf_state.bf_type |= BUF_XRETRY;
 			if (!bf->bf_stale || bf_next != NULL)
 				list_move_tail(&bf->list, &bf_head);
 
-			ath_tx_rc_status(sc, bf, ts, 1, 1, 0, false);
 			ath_tx_complete_buf(sc, bf, txq, &bf_head, ts,
 				0, 0);
 
@@ -470,7 +470,6 @@ static void ath_tx_complete_aggr(struct 
 				clear_filter = true;
 				txpending = 1;
 			} else {
-				bf->bf_state.bf_type |= BUF_XRETRY;
 				txfail = 1;
 				sendbar = 1;
 				txfail_cnt++;
@@ -497,17 +496,14 @@ static void ath_tx_complete_aggr(struct 
 
 			if (rc_update && (acked_cnt == 1 || txfail_cnt == 1)) {
 				memcpy(tx_info->control.rates, rates, sizeof(rates));
-				ath_tx_rc_status(sc, bf, ts, nframes, nbad, txok, true);
+				ath_tx_rc_status(sc, bf, ts, nframes, nbad, txok);
 				rc_update = false;
-			} else {
-				ath_tx_rc_status(sc, bf, ts, nframes, nbad, txok, false);
 			}
 
 			ath_tx_complete_buf(sc, bf, txq, &bf_head, ts,
 				!txfail, sendbar);
 		} else {
 			/* retry the un-acked ones */
-			ath9k_hw_set_clrdmask(sc->sc_ah, bf->bf_desc, false);
 			if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)) {
 				if (bf->bf_next == NULL && bf_last->bf_stale) {
 					struct ath_buf *tbf;
@@ -523,26 +519,13 @@ static void ath_tx_complete_aggr(struct 
 						ath_tx_update_baw(sc, tid, seqno);
 						spin_unlock_bh(&txq->axq_lock);
 
-						bf->bf_state.bf_type |=
-							BUF_XRETRY;
-						ath_tx_rc_status(sc, bf, ts, nframes,
-								nbad, 0, false);
 						ath_tx_complete_buf(sc, bf, txq,
 								    &bf_head,
-								    ts, 0, 0);
+								    ts, 0, 1);
 						break;
 					}
 
-					ath9k_hw_cleartxdesc(sc->sc_ah,
-							     tbf->bf_desc);
 					fi->bf = tbf;
-				} else {
-					/*
-					 * Clear descriptor status words for
-					 * software retry
-					 */
-					ath9k_hw_cleartxdesc(sc->sc_ah,
-							     bf->bf_desc);
 				}
 			}
 
@@ -778,7 +761,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
 		if (!bf)
 			continue;
 
-		bf->bf_state.bf_type |= BUF_AMPDU;
+		bf->bf_state.bf_type = BUF_AMPDU | BUF_AGGR;
 		seqno = bf->bf_state.seqno;
 		if (!bf_first)
 			bf_first = bf;
@@ -805,8 +788,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
 		}
 
 		tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
-		if (nframes && ((tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) ||
-			!(tx_info->control.rates[0].flags & IEEE80211_TX_RC_MCS)))
+		if (nframes && (tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE))
 			break;
 
 		/* do not exceed subframe limit */
@@ -828,20 +810,17 @@ static enum ATH_AGGR_STATUS ath_tx_form_
 
 		nframes++;
 		bf->bf_next = NULL;
-		ath9k_hw_set_desc_link(sc->sc_ah, bf->bf_desc, 0);
 
 		/* link buffers of this frame to the aggregate */
 		if (!fi->retries)
 			ath_tx_addto_baw(sc, tid, seqno);
-		ath9k_hw_set11n_aggr_middle(sc->sc_ah, bf->bf_desc, ndelim);
+		bf->bf_state.ndelim = ndelim;
 
 		__skb_unlink(skb, &tid->buf_q);
 		list_add_tail(&bf->list, bf_q);
-		if (bf_prev) {
+		if (bf_prev)
 			bf_prev->bf_next = bf;
-			ath9k_hw_set_desc_link(sc->sc_ah, bf_prev->bf_desc,
-					       bf->bf_daddr);
-		}
+
 		bf_prev = bf;
 
 	} while (!skb_queue_empty(&tid->buf_q));
@@ -852,12 +831,245 @@ static enum ATH_AGGR_STATUS ath_tx_form_
 #undef PADBYTES
 }
 
+/*
+ * rix - rate index
+ * pktlen - total bytes (delims + data + fcs + pads + pad delims)
+ * width  - 0 for 20 MHz, 1 for 40 MHz
+ * half_gi - to use 4us v/s 3.6 us for symbol time
+ */
+static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, int pktlen,
+			    int width, int half_gi, bool shortPreamble)
+{
+	u32 nbits, nsymbits, duration, nsymbols;
+	int streams;
+
+	/* find number of symbols: PLCP + data */
+	streams = HT_RC_2_STREAMS(rix);
+	nbits = (pktlen << 3) + OFDM_PLCP_BITS;
+	nsymbits = bits_per_symbol[rix % 8][width] * streams;
+	nsymbols = (nbits + nsymbits - 1) / nsymbits;
+
+	if (!half_gi)
+		duration = SYMBOL_TIME(nsymbols);
+	else
+		duration = SYMBOL_TIME_HALFGI(nsymbols);
+
+	/* addup duration for legacy/ht training and signal fields */
+	duration += L_STF + L_LTF + L_SIG + HT_SIG + HT_STF + HT_LTF(streams);
+
+	return duration;
+}
+
+static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf,
+			     struct ath_tx_info *info, int len)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct sk_buff *skb;
+	struct ieee80211_tx_info *tx_info;
+	struct ieee80211_tx_rate *rates;
+	const struct ieee80211_rate *rate;
+	struct ieee80211_hdr *hdr;
+	int i;
+	u8 rix = 0;
+
+	skb = bf->bf_mpdu;
+	tx_info = IEEE80211_SKB_CB(skb);
+	rates = tx_info->control.rates;
+	hdr = (struct ieee80211_hdr *)skb->data;
+
+	/* set dur_update_en for l-sig computation except for PS-Poll frames */
+	info->dur_update = !ieee80211_is_pspoll(hdr->frame_control);
+
+	/*
+	 * We check if Short Preamble is needed for the CTS rate by
+	 * checking the BSS's global flag.
+	 * But for the rate series, IEEE80211_TX_RC_USE_SHORT_PREAMBLE is used.
+	 */
+	rate = ieee80211_get_rts_cts_rate(sc->hw, tx_info);
+	info->rtscts_rate = rate->hw_value;
+	if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
+		info->rtscts_rate |= rate->hw_value_short;
+
+	for (i = 0; i < 4; i++) {
+		bool is_40, is_sgi, is_sp;
+		int phy;
+
+		if (!rates[i].count || (rates[i].idx < 0))
+			continue;
+
+		rix = rates[i].idx;
+		info->rates[i].Tries = rates[i].count;
+
+		    if (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS) {
+			info->rates[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
+			info->flags |= ATH9K_TXDESC_RTSENA;
+		} else if (rates[i].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
+			info->rates[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
+			info->flags |= ATH9K_TXDESC_CTSENA;
+		}
+
+		if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+			info->rates[i].RateFlags |= ATH9K_RATESERIES_2040;
+		if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
+			info->rates[i].RateFlags |= ATH9K_RATESERIES_HALFGI;
+
+		is_sgi = !!(rates[i].flags & IEEE80211_TX_RC_SHORT_GI);
+		is_40 = !!(rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH);
+		is_sp = !!(rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE);
+
+		if (rates[i].flags & IEEE80211_TX_RC_MCS) {
+			/* MCS rates */
+			info->rates[i].Rate = rix | 0x80;
+			info->rates[i].ChSel = ath_txchainmask_reduction(sc,
+					ah->txchainmask, info->rates[i].Rate);
+			info->rates[i].PktDuration = ath_pkt_duration(sc, rix, len,
+				 is_40, is_sgi, is_sp);
+			if (rix < 8 && (tx_info->flags & IEEE80211_TX_CTL_STBC))
+				info->rates[i].RateFlags |= ATH9K_RATESERIES_STBC;
+			continue;
+		}
+
+		/* legacy rates */
+		if ((tx_info->band == IEEE80211_BAND_2GHZ) &&
+		    !(rate->flags & IEEE80211_RATE_ERP_G))
+			phy = WLAN_RC_PHY_CCK;
+		else
+			phy = WLAN_RC_PHY_OFDM;
+
+		rate = &sc->sbands[tx_info->band].bitrates[rates[i].idx];
+		info->rates[i].Rate = rate->hw_value;
+		if (rate->hw_value_short) {
+			if (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
+				info->rates[i].Rate |= rate->hw_value_short;
+		} else {
+			is_sp = false;
+		}
+
+		if (bf->bf_state.bfs_paprd)
+			info->rates[i].ChSel = ah->txchainmask;
+		else
+			info->rates[i].ChSel = ath_txchainmask_reduction(sc,
+					ah->txchainmask, info->rates[i].Rate);
+
+		info->rates[i].PktDuration = ath9k_hw_computetxtime(sc->sc_ah,
+			phy, rate->bitrate * 100, len, rix, is_sp);
+	}
+
+	/* For AR5416 - RTS cannot be followed by a frame larger than 8K */
+	if (bf_isaggr(bf) && (len > sc->sc_ah->caps.rts_aggr_limit))
+		info->flags &= ~ATH9K_TXDESC_RTSENA;
+
+	/* ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive. */
+	if (info->flags & ATH9K_TXDESC_RTSENA)
+		info->flags &= ~ATH9K_TXDESC_CTSENA;
+}
+
+static enum ath9k_pkt_type get_hw_packet_type(struct sk_buff *skb)
+{
+	struct ieee80211_hdr *hdr;
+	enum ath9k_pkt_type htype;
+	__le16 fc;
+
+	hdr = (struct ieee80211_hdr *)skb->data;
+	fc = hdr->frame_control;
+
+	if (ieee80211_is_beacon(fc))
+		htype = ATH9K_PKT_TYPE_BEACON;
+	else if (ieee80211_is_probe_resp(fc))
+		htype = ATH9K_PKT_TYPE_PROBE_RESP;
+	else if (ieee80211_is_atim(fc))
+		htype = ATH9K_PKT_TYPE_ATIM;
+	else if (ieee80211_is_pspoll(fc))
+		htype = ATH9K_PKT_TYPE_PSPOLL;
+	else
+		htype = ATH9K_PKT_TYPE_NORMAL;
+
+	return htype;
+}
+
+static void ath_tx_fill_desc(struct ath_softc *sc, struct ath_buf *bf,
+			     struct ath_txq *txq, int len)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
+	struct ath_buf *bf_first = bf;
+	struct ath_tx_info info;
+	bool aggr = !!(bf->bf_state.bf_type & BUF_AGGR);
+
+	memset(&info, 0, sizeof(info));
+	info.is_first = true;
+	info.is_last = true;
+	info.txpower = MAX_RATE_POWER;
+	info.qcu = txq->axq_qnum;
+
+	info.flags = ATH9K_TXDESC_INTREQ;
+	if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK)
+		info.flags |= ATH9K_TXDESC_NOACK;
+	if (tx_info->flags & IEEE80211_TX_CTL_LDPC)
+		info.flags |= ATH9K_TXDESC_LDPC;
+
+	ath_buf_set_rate(sc, bf, &info, len);
+
+	if (tx_info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT)
+		info.flags |= ATH9K_TXDESC_CLRDMASK;
+
+	if (bf->bf_state.bfs_paprd)
+		info.flags |= (u32) bf->bf_state.bfs_paprd << ATH9K_TXDESC_PAPRD_S;
+
+
+	while (bf) {
+		struct sk_buff *skb = bf->bf_mpdu;
+		struct ath_frame_info *fi = get_frame_info(skb);
+		struct ieee80211_hdr *hdr;
+		int padpos, padsize;
+
+		info.type = get_hw_packet_type(skb);
+		if (bf->bf_next)
+			info.link = bf->bf_next->bf_daddr;
+		else
+			info.link = 0;
+
+		if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
+			hdr = (struct ieee80211_hdr *)skb->data;
+			padpos = ath9k_cmn_padpos(hdr->frame_control);
+			padsize = padpos & 3;
+
+			info.buf_addr[0] = bf->bf_buf_addr;
+			info.buf_len[0] = padpos + padsize;
+			info.buf_addr[1] = info.buf_addr[0] + padpos;
+			info.buf_len[1] = skb->len - padpos;
+		} else {
+			info.buf_addr[0] = bf->bf_buf_addr;
+			info.buf_len[0] = skb->len;
+		}
+
+		info.pkt_len = fi->framelen;
+		info.keyix = fi->keyix;
+		info.keytype = fi->keytype;
+
+		if (aggr) {
+			if (bf == bf_first)
+				info.aggr = AGGR_BUF_FIRST;
+			else if (!bf->bf_next)
+				info.aggr = AGGR_BUF_LAST;
+			else
+				info.aggr = AGGR_BUF_MIDDLE;
+
+			info.ndelim = bf->bf_state.ndelim;
+			info.aggr_len = len;
+		}
+
+		ath9k_hw_set_txdesc(ah, bf->bf_desc, &info);
+		bf = bf->bf_next;
+	}
+}
+
 static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
 			      struct ath_atx_tid *tid)
 {
 	struct ath_buf *bf;
 	enum ATH_AGGR_STATUS status;
-	struct ath_frame_info *fi;
+	struct ieee80211_tx_info *tx_info;
 	struct list_head bf_q;
 	int aggr_len;
 
@@ -878,34 +1090,25 @@ static void ath_tx_sched_aggr(struct ath
 
 		bf = list_first_entry(&bf_q, struct ath_buf, list);
 		bf->bf_lastbf = list_entry(bf_q.prev, struct ath_buf, list);
+		tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
 
 		if (tid->ac->clear_ps_filter) {
 			tid->ac->clear_ps_filter = false;
-			ath9k_hw_set_clrdmask(sc->sc_ah, bf->bf_desc, true);
+			tx_info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
+		} else {
+			tx_info->flags &= ~IEEE80211_TX_CTL_CLEAR_PS_FILT;
 		}
 
 		/* if only one frame, send as non-aggregate */
 		if (bf == bf->bf_lastbf) {
-			fi = get_frame_info(bf->bf_mpdu);
-
-			bf->bf_state.bf_type &= ~BUF_AGGR;
-			ath9k_hw_clr11n_aggr(sc->sc_ah, bf->bf_desc);
-			ath_buf_set_rate(sc, bf, fi->framelen);
-			ath_tx_txqaddbuf(sc, txq, &bf_q, false);
-			continue;
+			aggr_len = get_frame_info(bf->bf_mpdu)->framelen;
+			bf->bf_state.bf_type = BUF_AMPDU;
+		} else {
+			TX_STAT_INC(txq->axq_qnum, a_aggr);
 		}
 
-		/* setup first desc of aggregate */
-		bf->bf_state.bf_type |= BUF_AGGR;
-		ath_buf_set_rate(sc, bf, aggr_len);
-		ath9k_hw_set11n_aggr_first(sc->sc_ah, bf->bf_desc, aggr_len);
-
-		/* anchor last desc of aggregate */
-		ath9k_hw_set11n_aggr_last(sc->sc_ah, bf->bf_lastbf->bf_desc);
-
+		ath_tx_fill_desc(sc, bf, txq, aggr_len);
 		ath_tx_txqaddbuf(sc, txq, &bf_q, false);
-		TX_STAT_INC(txq->axq_qnum, a_aggr);
-
 	} while (txq->axq_ampdu_depth < ATH_AGGR_MIN_QDEPTH &&
 		 status != ATH_AGGR_BAW_CLOSED);
 }
@@ -1483,7 +1686,7 @@ static void ath_tx_send_ampdu(struct ath
 	if (!bf)
 		return;
 
-	bf->bf_state.bf_type |= BUF_AMPDU;
+	bf->bf_state.bf_type = BUF_AMPDU;
 	INIT_LIST_HEAD(&bf_head);
 	list_add(&bf->list, &bf_head);
 
@@ -1493,7 +1696,7 @@ static void ath_tx_send_ampdu(struct ath
 	/* Queue to h/w without aggregation */
 	TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw);
 	bf->bf_lastbf = bf;
-	ath_buf_set_rate(sc, bf, fi->framelen);
+	ath_tx_fill_desc(sc, bf, txctl->txq, fi->framelen);
 	ath_tx_txqaddbuf(sc, txctl->txq, &bf_head, false);
 }
 
@@ -1513,41 +1716,18 @@ static void ath_tx_send_normal(struct at
 
 	INIT_LIST_HEAD(&bf_head);
 	list_add_tail(&bf->list, &bf_head);
-	bf->bf_state.bf_type &= ~BUF_AMPDU;
+	bf->bf_state.bf_type = 0;
 
 	/* update starting sequence number for subsequent ADDBA request */
 	if (tid)
 		INCR(tid->seq_start, IEEE80211_SEQ_MAX);
 
 	bf->bf_lastbf = bf;
-	ath_buf_set_rate(sc, bf, fi->framelen);
+	ath_tx_fill_desc(sc, bf, txq, fi->framelen);
 	ath_tx_txqaddbuf(sc, txq, &bf_head, false);
 	TX_STAT_INC(txq->axq_qnum, queued);
 }
 
-static enum ath9k_pkt_type get_hw_packet_type(struct sk_buff *skb)
-{
-	struct ieee80211_hdr *hdr;
-	enum ath9k_pkt_type htype;
-	__le16 fc;
-
-	hdr = (struct ieee80211_hdr *)skb->data;
-	fc = hdr->frame_control;
-
-	if (ieee80211_is_beacon(fc))
-		htype = ATH9K_PKT_TYPE_BEACON;
-	else if (ieee80211_is_probe_resp(fc))
-		htype = ATH9K_PKT_TYPE_PROBE_RESP;
-	else if (ieee80211_is_atim(fc))
-		htype = ATH9K_PKT_TYPE_ATIM;
-	else if (ieee80211_is_pspoll(fc))
-		htype = ATH9K_PKT_TYPE_PSPOLL;
-	else
-		htype = ATH9K_PKT_TYPE_NORMAL;
-
-	return htype;
-}
-
 static void setup_frame_info(struct ieee80211_hw *hw, struct sk_buff *skb,
 			     int framelen)
 {
@@ -1575,51 +1755,6 @@ static void setup_frame_info(struct ieee
 	fi->framelen = framelen;
 }
 
-static int setup_tx_flags(struct sk_buff *skb)
-{
-	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-	int flags = 0;
-
-	flags |= ATH9K_TXDESC_INTREQ;
-
-	if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK)
-		flags |= ATH9K_TXDESC_NOACK;
-
-	if (tx_info->flags & IEEE80211_TX_CTL_LDPC)
-		flags |= ATH9K_TXDESC_LDPC;
-
-	return flags;
-}
-
-/*
- * rix - rate index
- * pktlen - total bytes (delims + data + fcs + pads + pad delims)
- * width  - 0 for 20 MHz, 1 for 40 MHz
- * half_gi - to use 4us v/s 3.6 us for symbol time
- */
-static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, int pktlen,
-			    int width, int half_gi, bool shortPreamble)
-{
-	u32 nbits, nsymbits, duration, nsymbols;
-	int streams;
-
-	/* find number of symbols: PLCP + data */
-	streams = HT_RC_2_STREAMS(rix);
-	nbits = (pktlen << 3) + OFDM_PLCP_BITS;
-	nsymbits = bits_per_symbol[rix % 8][width] * streams;
-	nsymbols = (nbits + nsymbits - 1) / nsymbits;
-
-	if (!half_gi)
-		duration = SYMBOL_TIME(nsymbols);
-	else
-		duration = SYMBOL_TIME_HALFGI(nsymbols);
-
-	/* addup duration for legacy/ht training and signal fields */
-	duration += L_STF + L_LTF + L_SIG + HT_SIG + HT_STF + HT_LTF(streams);
-
-	return duration;
-}
-
 u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate)
 {
 	struct ath_hw *ah = sc->sc_ah;
@@ -1632,118 +1767,6 @@ u8 ath_txchainmask_reduction(struct ath_
 		return chainmask;
 }
 
-static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len)
-{
-	struct ath_hw *ah = sc->sc_ah;
-	struct ath9k_11n_rate_series series[4];
-	struct sk_buff *skb;
-	struct ieee80211_tx_info *tx_info;
-	struct ieee80211_tx_rate *rates;
-	const struct ieee80211_rate *rate;
-	struct ieee80211_hdr *hdr;
-	int i, flags = 0;
-	u8 rix = 0, ctsrate = 0;
-	bool is_pspoll;
-
-	memset(series, 0, sizeof(struct ath9k_11n_rate_series) * 4);
-
-	skb = bf->bf_mpdu;
-	tx_info = IEEE80211_SKB_CB(skb);
-	rates = tx_info->control.rates;
-	hdr = (struct ieee80211_hdr *)skb->data;
-	is_pspoll = ieee80211_is_pspoll(hdr->frame_control);
-
-	/*
-	 * We check if Short Preamble is needed for the CTS rate by
-	 * checking the BSS's global flag.
-	 * But for the rate series, IEEE80211_TX_RC_USE_SHORT_PREAMBLE is used.
-	 */
-	rate = ieee80211_get_rts_cts_rate(sc->hw, tx_info);
-	ctsrate = rate->hw_value;
-	if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
-		ctsrate |= rate->hw_value_short;
-
-	for (i = 0; i < 4; i++) {
-		bool is_40, is_sgi, is_sp;
-		int phy;
-
-		if (!rates[i].count || (rates[i].idx < 0))
-			continue;
-
-		rix = rates[i].idx;
-		series[i].Tries = rates[i].count;
-
-		    if (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS) {
-			series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
-			flags |= ATH9K_TXDESC_RTSENA;
-		} else if (rates[i].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
-			series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
-			flags |= ATH9K_TXDESC_CTSENA;
-		}
-
-		if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
-			series[i].RateFlags |= ATH9K_RATESERIES_2040;
-		if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
-			series[i].RateFlags |= ATH9K_RATESERIES_HALFGI;
-
-		is_sgi = !!(rates[i].flags & IEEE80211_TX_RC_SHORT_GI);
-		is_40 = !!(rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH);
-		is_sp = !!(rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE);
-
-		if (rates[i].flags & IEEE80211_TX_RC_MCS) {
-			/* MCS rates */
-			series[i].Rate = rix | 0x80;
-			series[i].ChSel = ath_txchainmask_reduction(sc,
-					ah->txchainmask, series[i].Rate);
-			series[i].PktDuration = ath_pkt_duration(sc, rix, len,
-				 is_40, is_sgi, is_sp);
-			if (rix < 8 && (tx_info->flags & IEEE80211_TX_CTL_STBC))
-				series[i].RateFlags |= ATH9K_RATESERIES_STBC;
-			continue;
-		}
-
-		/* legacy rates */
-		if ((tx_info->band == IEEE80211_BAND_2GHZ) &&
-		    !(rate->flags & IEEE80211_RATE_ERP_G))
-			phy = WLAN_RC_PHY_CCK;
-		else
-			phy = WLAN_RC_PHY_OFDM;
-
-		rate = &sc->sbands[tx_info->band].bitrates[rates[i].idx];
-		series[i].Rate = rate->hw_value;
-		if (rate->hw_value_short) {
-			if (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
-				series[i].Rate |= rate->hw_value_short;
-		} else {
-			is_sp = false;
-		}
-
-		if (bf->bf_state.bfs_paprd)
-			series[i].ChSel = ah->txchainmask;
-		else
-			series[i].ChSel = ath_txchainmask_reduction(sc,
-					ah->txchainmask, series[i].Rate);
-
-		series[i].PktDuration = ath9k_hw_computetxtime(sc->sc_ah,
-			phy, rate->bitrate * 100, len, rix, is_sp);
-	}
-
-	/* For AR5416 - RTS cannot be followed by a frame larger than 8K */
-	if (bf_isaggr(bf) && (len > sc->sc_ah->caps.rts_aggr_limit))
-		flags &= ~ATH9K_TXDESC_RTSENA;
-
-	/* ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive. */
-	if (flags & ATH9K_TXDESC_RTSENA)
-		flags &= ~ATH9K_TXDESC_CTSENA;
-
-	/* set dur_update_en for l-sig computation except for PS-Poll frames */
-	ath9k_hw_set11n_ratescenario(sc->sc_ah, bf->bf_desc,
-				     bf->bf_lastbf->bf_desc,
-				     !is_pspoll, ctsrate,
-				     0, series, 4, flags);
-
-}
-
 /*
  * Assign a descriptor (and sequence number if necessary,
  * and map buffer for DMA. Frees skb on error
@@ -1753,13 +1776,10 @@ static struct ath_buf *ath_tx_setup_buff
 					   struct ath_atx_tid *tid,
 					   struct sk_buff *skb)
 {
-	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ath_frame_info *fi = get_frame_info(skb);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 	struct ath_buf *bf;
-	struct ath_desc *ds;
-	int frm_type;
 	u16 seqno;
 
 	bf = ath_tx_get_buffer(sc);
@@ -1777,7 +1797,6 @@ static struct ath_buf *ath_tx_setup_buff
 		bf->bf_state.seqno = seqno;
 	}
 
-	bf->bf_flags = setup_tx_flags(skb);
 	bf->bf_mpdu = skb;
 
 	bf->bf_buf_addr = dma_map_single(sc->dev, skb->data,
@@ -1791,22 +1810,6 @@ static struct ath_buf *ath_tx_setup_buff
 		goto error;
 	}
 
-	frm_type = get_hw_packet_type(skb);
-
-	ds = bf->bf_desc;
-	ath9k_hw_set_desc_link(ah, ds, 0);
-
-	ath9k_hw_set11n_txdesc(ah, ds, fi->framelen, frm_type, MAX_RATE_POWER,
-			       fi->keyix, fi->keytype, bf->bf_flags);
-
-	ath9k_hw_filltxdesc(ah, ds,
-			    skb->len,	/* segment length */
-			    true,	/* first segment */
-			    true,	/* last segment */
-			    ds,		/* first descriptor */
-			    bf->bf_buf_addr,
-			    txq->axq_qnum);
-
 	fi->bf = bf;
 
 	return bf;
@@ -1849,16 +1852,9 @@ static void ath_tx_start_dma(struct ath_
 
 		bf->bf_state.bfs_paprd = txctl->paprd;
 
-		if (bf->bf_state.bfs_paprd)
-			ar9003_hw_set_paprd_txdesc(sc->sc_ah, bf->bf_desc,
-						   bf->bf_state.bfs_paprd);
-
 		if (txctl->paprd)
 			bf->bf_state.bfs_paprd_timestamp = jiffies;
 
-		if (tx_info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT)
-			ath9k_hw_set_clrdmask(sc->sc_ah, bf->bf_desc, true);
-
 		ath_tx_send_normal(sc, txctl->txq, tid, skb);
 	}
 
@@ -1899,15 +1895,18 @@ int ath_tx_start(struct ieee80211_hw *hw
 		hdr->seq_ctrl |= cpu_to_le16(sc->tx.seq_no);
 	}
 
-	/* Add the padding after the header if this is not already done */
-	padpos = ath9k_cmn_padpos(hdr->frame_control);
-	padsize = padpos & 3;
-	if (padsize && skb->len > padpos) {
-		if (skb_headroom(skb) < padsize)
-			return -ENOMEM;
-
-		skb_push(skb, padsize);
-		memmove(skb->data, skb->data + padsize, padpos);
+	if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)) {
+		/* Add the padding after the header if this is not already done */
+		padpos = ath9k_cmn_padpos(hdr->frame_control);
+		padsize = padpos & 3;
+		if (padsize && skb->len > padpos) {
+			if (skb_headroom(skb) < padsize)
+				return -ENOMEM;
+
+			skb_push(skb, padsize);
+			memmove(skb->data, skb->data + padsize, padpos);
+			hdr = (struct ieee80211_hdr *) skb->data;
+		}
 	}
 
 	if ((vif && vif->type != NL80211_IFTYPE_AP &&
@@ -1953,20 +1952,21 @@ static void ath_tx_complete(struct ath_s
 	if (tx_flags & ATH_TX_BAR)
 		tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
 
-	if (!(tx_flags & (ATH_TX_ERROR | ATH_TX_XRETRY))) {
+	if (!(tx_flags & ATH_TX_ERROR))
 		/* Frame was ACKed */
 		tx_info->flags |= IEEE80211_TX_STAT_ACK;
-	}
 
-	padpos = ath9k_cmn_padpos(hdr->frame_control);
-	padsize = padpos & 3;
-	if (padsize && skb->len>padpos+padsize) {
-		/*
-		 * Remove MAC header padding before giving the frame back to
-		 * mac80211.
-		 */
-		memmove(skb->data + padsize, skb->data, padpos);
-		skb_pull(skb, padsize);
+	if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)) {
+		padpos = ath9k_cmn_padpos(hdr->frame_control);
+		padsize = padpos & 3;
+		if (padsize && skb->len>padpos+padsize) {
+			/*
+			 * Remove MAC header padding before giving the frame back to
+			 * mac80211.
+			 */
+			memmove(skb->data + padsize, skb->data, padpos);
+			skb_pull(skb, padsize);
+		}
 	}
 
 	if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) {
@@ -2000,18 +2000,18 @@ static void ath_tx_complete_buf(struct a
 				struct ath_tx_status *ts, int txok, int sendbar)
 {
 	struct sk_buff *skb = bf->bf_mpdu;
+	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	unsigned long flags;
 	int tx_flags = 0;
 
 	if (sendbar)
 		tx_flags = ATH_TX_BAR;
 
-	if (!txok) {
+	if (!txok)
 		tx_flags |= ATH_TX_ERROR;
 
-		if (bf_isxretried(bf))
-			tx_flags |= ATH_TX_XRETRY;
-	}
+	if (ts->ts_status & ATH9K_TXERR_FILT)
+		tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
 
 	dma_unmap_single(sc->dev, bf->bf_buf_addr, skb->len, DMA_TO_DEVICE);
 	bf->bf_buf_addr = 0;
@@ -2024,7 +2024,7 @@ static void ath_tx_complete_buf(struct a
 		else
 			complete(&sc->paprd_complete);
 	} else {
-		ath_debug_stat_tx(sc, bf, ts, txq);
+		ath_debug_stat_tx(sc, bf, ts, txq, tx_flags);
 		ath_tx_complete(sc, skb, tx_flags, txq);
 	}
 	/* At this point, skb (bf->bf_mpdu) is consumed...make sure we don't
@@ -2042,7 +2042,7 @@ static void ath_tx_complete_buf(struct a
 
 static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf,
 			     struct ath_tx_status *ts, int nframes, int nbad,
-			     int txok, bool update_rc)
+			     int txok)
 {
 	struct sk_buff *skb = bf->bf_mpdu;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
@@ -2057,9 +2057,7 @@ static void ath_tx_rc_status(struct ath_
 	tx_rateindex = ts->ts_rateindex;
 	WARN_ON(tx_rateindex >= hw->max_rates);
 
-	if (ts->ts_status & ATH9K_TXERR_FILT)
-		tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
-	if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && update_rc) {
+	if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) {
 		tx_info->flags |= IEEE80211_TX_STAT_AMPDU;
 
 		BUG_ON(nbad > nframes);
@@ -2069,7 +2067,7 @@ static void ath_tx_rc_status(struct ath_
 	}
 
 	if ((ts->ts_status & ATH9K_TXERR_FILT) == 0 &&
-	    (bf->bf_flags & ATH9K_TXDESC_NOACK) == 0 && update_rc) {
+	    (tx_info->flags & IEEE80211_TX_CTL_NO_ACK) == 0) {
 		/*
 		 * If an underrun error is seen assume it as an excessive
 		 * retry only if max frame trigger level has been reached
@@ -2082,9 +2080,9 @@ static void ath_tx_rc_status(struct ath_
 		 * successfully by eventually preferring slower rates.
 		 * This itself should also alleviate congestion on the bus.
 		 */
-		if (ieee80211_is_data(hdr->frame_control) &&
-		    (ts->ts_flags & (ATH9K_TX_DATA_UNDERRUN |
-		                     ATH9K_TX_DELIM_UNDERRUN)) &&
+		if (unlikely(ts->ts_flags & (ATH9K_TX_DATA_UNDERRUN |
+		                             ATH9K_TX_DELIM_UNDERRUN)) &&
+		    ieee80211_is_data(hdr->frame_control) &&
 		    ah->tx_trig_level >= sc->sc_ah->config.max_txtrig_level)
 			tx_info->status.rates[tx_rateindex].count =
 				hw->max_rate_tries;
@@ -2115,13 +2113,7 @@ static void ath_tx_process_buffer(struct
 	spin_unlock_bh(&txq->axq_lock);
 
 	if (!bf_isampdu(bf)) {
-		/*
-		 * This frame is sent out as a single frame.
-		 * Use hardware retry status for this frame.
-		 */
-		if (ts->ts_status & ATH9K_TXERR_XRETRY)
-			bf->bf_state.bf_type |= BUF_XRETRY;
-		ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok, true);
+		ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok);
 		ath_tx_complete_buf(sc, bf, txq, bf_head, ts, txok, 0);
 	} else
 		ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok, true);
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -180,6 +180,8 @@ 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
@@ -77,7 +77,8 @@ 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);
@@ -397,7 +398,8 @@ 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
@@ -2163,7 +2163,8 @@ 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 */
@@ -2378,13 +2379,14 @@ 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):
@@ -2727,10 +2729,16 @@ 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/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -278,17 +278,19 @@ void ieee80211_tx_status(struct ieee8021
 		}
 
 		if (!acked && ieee80211_is_back_req(fc)) {
+			u16 control;
+
 			/*
-			 * BAR failed, let's tear down the BA session as a
-			 * last resort as some STAs (Intel 5100 on Windows)
-			 * can get stuck when the BA window isn't flushed
-			 * correctly.
+			 * BAR failed, store the last SSN and retry sending
+			 * the BAR when the next unicast transmission on the
+			 * same TID succeeds.
 			 */
 			bar = (struct ieee80211_bar *) skb->data;
-			if (!(bar->control & IEEE80211_BAR_CTRL_MULTI_TID)) {
+			control = le16_to_cpu(bar->control);
+			if (!(control & IEEE80211_BAR_CTRL_MULTI_TID)) {
 				u16 ssn = le16_to_cpu(bar->start_seq_num);
 
-				tid = (bar->control &
+				tid = (control &
 				       IEEE80211_BAR_CTRL_TID_INFO_MASK) >>
 				      IEEE80211_BAR_CTRL_TID_INFO_SHIFT;
 
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -704,8 +704,10 @@ static void ar5008_hw_override_ini(struc
 		REG_WRITE(ah, AR_PCU_MISC_MODE2, val);
 	}
 
-	if (!AR_SREV_5416_20_OR_LATER(ah) ||
-	    AR_SREV_9280_20_OR_LATER(ah))
+	REG_SET_BIT(ah, AR_PHY_CCK_DETECT,
+		    AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV);
+
+	if (AR_SREV_9280_20_OR_LATER(ah))
 		return;
 	/*
 	 * Disable BB clock gating
@@ -802,7 +804,8 @@ static int ar5008_hw_process_ini(struct 
 
 	/* Write ADDAC shifts */
 	REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
-	ah->eep_ops->set_addac(ah, chan);
+	if (ah->eep_ops->set_addac)
+		ah->eep_ops->set_addac(ah, chan);
 
 	if (AR_SREV_5416_22_OR_LATER(ah)) {
 		REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
@@ -1007,24 +1010,6 @@ static void ar5008_restore_chainmask(str
 	}
 }
 
-static void ar5008_set_diversity(struct ath_hw *ah, bool value)
-{
-	u32 v = REG_READ(ah, AR_PHY_CCK_DETECT);
-	if (value)
-		v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
-	else
-		v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
-	REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
-}
-
-static u32 ar9100_hw_compute_pll_control(struct ath_hw *ah,
-					 struct ath9k_channel *chan)
-{
-	if (chan && IS_CHAN_5GHZ(chan))
-		return 0x1450;
-	return 0x1458;
-}
-
 static u32 ar9160_hw_compute_pll_control(struct ath_hw *ah,
 					 struct ath9k_channel *chan)
 {
@@ -1654,7 +1639,6 @@ void ar5008_hw_attach_phy_ops(struct ath
 	priv_ops->rfbus_req = ar5008_hw_rfbus_req;
 	priv_ops->rfbus_done = ar5008_hw_rfbus_done;
 	priv_ops->restore_chainmask = ar5008_restore_chainmask;
-	priv_ops->set_diversity = ar5008_set_diversity;
 	priv_ops->do_getnf = ar5008_hw_do_getnf;
 	priv_ops->set_radar_params = ar5008_hw_set_radar_params;
 
@@ -1664,9 +1648,7 @@ void ar5008_hw_attach_phy_ops(struct ath
 	} else
 		priv_ops->ani_control = ar5008_hw_ani_control_old;
 
-	if (AR_SREV_9100(ah))
-		priv_ops->compute_pll_control = ar9100_hw_compute_pll_control;
-	else if (AR_SREV_9160_10_OR_LATER(ah))
+	if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah))
 		priv_ops->compute_pll_control = ar9160_hw_compute_pll_control;
 	else
 		priv_ops->compute_pll_control = ar5008_hw_compute_pll_control;
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -592,6 +592,9 @@ static void ar9003_hw_override_ini(struc
 	val = REG_READ(ah, AR_PCU_MISC_MODE2) & (~AR_ADHOC_MCAST_KEYID_ENABLE);
 	REG_WRITE(ah, AR_PCU_MISC_MODE2,
 		  val | AR_AGG_WEP_ENABLE_FIX | AR_AGG_WEP_ENABLE);
+
+	REG_SET_BIT(ah, AR_PHY_CCK_DETECT,
+		    AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV);
 }
 
 static void ar9003_hw_prog_ini(struct ath_hw *ah,
@@ -785,16 +788,6 @@ static void ar9003_hw_rfbus_done(struct 
 	REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
 }
 
-static void ar9003_hw_set_diversity(struct ath_hw *ah, bool value)
-{
-	u32 v = REG_READ(ah, AR_PHY_CCK_DETECT);
-	if (value)
-		v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
-	else
-		v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
-	REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
-}
-
 static bool ar9003_hw_ani_control(struct ath_hw *ah,
 				  enum ath9k_ani_cmd cmd, int param)
 {
@@ -1277,7 +1270,6 @@ void ar9003_hw_attach_phy_ops(struct ath
 	priv_ops->set_delta_slope = ar9003_hw_set_delta_slope;
 	priv_ops->rfbus_req = ar9003_hw_rfbus_req;
 	priv_ops->rfbus_done = ar9003_hw_rfbus_done;
-	priv_ops->set_diversity = ar9003_hw_set_diversity;
 	priv_ops->ani_control = ar9003_hw_ani_control;
 	priv_ops->do_getnf = ar9003_hw_do_getnf;
 	priv_ops->ani_cache_ini_regs = ar9003_hw_ani_cache_ini_regs;
--- a/drivers/net/wireless/ath/ath9k/eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom.c
@@ -456,12 +456,7 @@ void ath9k_hw_get_gain_boundaries_pdadcs
 		pPdGainBoundaries[i] =
 			min((u16)MAX_RATE_POWER, pPdGainBoundaries[i]);
 
-		if ((i == 0) && !AR_SREV_5416_20_OR_LATER(ah)) {
-			minDelta = pPdGainBoundaries[0] - 23;
-			pPdGainBoundaries[0] = 23;
-		} else {
-			minDelta = 0;
-		}
+		minDelta = 0;
 
 		if (i == 0) {
 			if (AR_SREV_9280_20_OR_LATER(ah))
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -405,12 +405,7 @@ static void ath9k_hw_set_4k_power_cal_ta
 	REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_3, 0);
 
 	for (i = 0; i < AR5416_EEP4K_MAX_CHAINS; i++) {
-		if (AR_SREV_5416_20_OR_LATER(ah) &&
-		    (ah->rxchainmask == 5 || ah->txchainmask == 5) &&
-		    (i != 0)) {
-			regChainOffset = (i == 1) ? 0x2000 : 0x1000;
-		} else
-			regChainOffset = i * 0x1000;
+		regChainOffset = i * 0x1000;
 
 		if (pEepData->baseEepHeader.txMask & (1 << i)) {
 			pRawDataset = pEepData->calPierData2G[i];
@@ -423,19 +418,17 @@ static void ath9k_hw_set_4k_power_cal_ta
 
 			ENABLE_REGWRITE_BUFFER(ah);
 
-			if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah)) {
-				REG_WRITE(ah, AR_PHY_TPCRG5 + regChainOffset,
-					  SM(pdGainOverlap_t2,
-					     AR_PHY_TPCRG5_PD_GAIN_OVERLAP)
-					  | SM(gainBoundaries[0],
-					       AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1)
-					  | SM(gainBoundaries[1],
-					       AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2)
-					  | SM(gainBoundaries[2],
-					       AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3)
-					  | SM(gainBoundaries[3],
-				       AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4));
-			}
+			REG_WRITE(ah, AR_PHY_TPCRG5 + regChainOffset,
+				  SM(pdGainOverlap_t2,
+				     AR_PHY_TPCRG5_PD_GAIN_OVERLAP)
+				  | SM(gainBoundaries[0],
+				       AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1)
+				  | SM(gainBoundaries[1],
+				       AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2)
+				  | SM(gainBoundaries[2],
+				       AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3)
+				  | SM(gainBoundaries[3],
+			       AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4));
 
 			regOffset = AR_PHY_BASE + (672 << 2) + regChainOffset;
 			for (j = 0; j < 32; j++) {
@@ -715,10 +708,8 @@ static void ath9k_hw_4k_set_txpower(stru
 	if (test)
 	    return;
 
-	if (AR_SREV_9280_20_OR_LATER(ah)) {
-		for (i = 0; i < Ar5416RateSize; i++)
-			ratesArray[i] -= AR5416_PWR_TABLE_OFFSET_DB * 2;
-	}
+	for (i = 0; i < Ar5416RateSize; i++)
+		ratesArray[i] -= AR5416_PWR_TABLE_OFFSET_DB * 2;
 
 	ENABLE_REGWRITE_BUFFER(ah);
 
@@ -788,28 +779,6 @@ static void ath9k_hw_4k_set_txpower(stru
 	REGWRITE_BUFFER_FLUSH(ah);
 }
 
-static void ath9k_hw_4k_set_addac(struct ath_hw *ah,
-				  struct ath9k_channel *chan)
-{
-	struct modal_eep_4k_header *pModal;
-	struct ar5416_eeprom_4k *eep = &ah->eeprom.map4k;
-	u8 biaslevel;
-
-	if (ah->hw_version.macVersion != AR_SREV_VERSION_9160)
-		return;
-
-	if (ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_MINOR_VER_7)
-		return;
-
-	pModal = &eep->modalHeader;
-
-	if (pModal->xpaBiasLvl != 0xff) {
-		biaslevel = pModal->xpaBiasLvl;
-		INI_RA(&ah->iniAddac, 7, 1) =
-		  (INI_RA(&ah->iniAddac, 7, 1) & (~0x18)) | biaslevel << 3;
-	}
-}
-
 static void ath9k_hw_4k_set_gain(struct ath_hw *ah,
 				 struct modal_eep_4k_header *pModal,
 				 struct ar5416_eeprom_4k *eep,
@@ -877,6 +846,7 @@ static void ath9k_hw_4k_set_board_values
 	u8 txRxAttenLocal;
 	u8 ob[5], db1[5], db2[5];
 	u8 ant_div_control1, ant_div_control2;
+	u8 bb_desired_scale;
 	u32 regVal;
 
 	pModal = &eep->modalHeader;
@@ -1096,30 +1066,29 @@ static void ath9k_hw_4k_set_board_values
 				      AR_PHY_SETTLING_SWITCH,
 				      pModal->swSettleHt40);
 	}
-	if (AR_SREV_9271(ah) || AR_SREV_9285(ah)) {
-		u8 bb_desired_scale = (pModal->bb_scale_smrt_antenna &
-				EEP_4K_BB_DESIRED_SCALE_MASK);
-		if ((pBase->txGainType == 0) && (bb_desired_scale != 0)) {
-			u32 pwrctrl, mask, clr;
-
-			mask = BIT(0)|BIT(5)|BIT(10)|BIT(15)|BIT(20)|BIT(25);
-			pwrctrl = mask * bb_desired_scale;
-			clr = mask * 0x1f;
-			REG_RMW(ah, AR_PHY_TX_PWRCTRL8, pwrctrl, clr);
-			REG_RMW(ah, AR_PHY_TX_PWRCTRL10, pwrctrl, clr);
-			REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL12, pwrctrl, clr);
-
-			mask = BIT(0)|BIT(5)|BIT(15);
-			pwrctrl = mask * bb_desired_scale;
-			clr = mask * 0x1f;
-			REG_RMW(ah, AR_PHY_TX_PWRCTRL9, pwrctrl, clr);
-
-			mask = BIT(0)|BIT(5);
-			pwrctrl = mask * bb_desired_scale;
-			clr = mask * 0x1f;
-			REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL11, pwrctrl, clr);
-			REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL13, pwrctrl, clr);
-		}
+
+	bb_desired_scale = (pModal->bb_scale_smrt_antenna &
+			EEP_4K_BB_DESIRED_SCALE_MASK);
+	if ((pBase->txGainType == 0) && (bb_desired_scale != 0)) {
+		u32 pwrctrl, mask, clr;
+
+		mask = BIT(0)|BIT(5)|BIT(10)|BIT(15)|BIT(20)|BIT(25);
+		pwrctrl = mask * bb_desired_scale;
+		clr = mask * 0x1f;
+		REG_RMW(ah, AR_PHY_TX_PWRCTRL8, pwrctrl, clr);
+		REG_RMW(ah, AR_PHY_TX_PWRCTRL10, pwrctrl, clr);
+		REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL12, pwrctrl, clr);
+
+		mask = BIT(0)|BIT(5)|BIT(15);
+		pwrctrl = mask * bb_desired_scale;
+		clr = mask * 0x1f;
+		REG_RMW(ah, AR_PHY_TX_PWRCTRL9, pwrctrl, clr);
+
+		mask = BIT(0)|BIT(5);
+		pwrctrl = mask * bb_desired_scale;
+		clr = mask * 0x1f;
+		REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL11, pwrctrl, clr);
+		REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL13, pwrctrl, clr);
 	}
 }
 
@@ -1161,7 +1130,6 @@ const struct eeprom_ops eep_4k_ops = {
 	.get_eeprom_ver		= ath9k_hw_4k_get_eeprom_ver,
 	.get_eeprom_rev		= ath9k_hw_4k_get_eeprom_rev,
 	.set_board_values	= ath9k_hw_4k_set_board_values,
-	.set_addac		= ath9k_hw_4k_set_addac,
 	.set_txpower		= ath9k_hw_4k_set_txpower,
 	.get_spur_channel	= ath9k_hw_4k_get_spur_channel
 };
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -851,10 +851,8 @@ static void ath9k_hw_ar9287_set_txpower(
 	if (test)
 		return;
 
-	if (AR_SREV_9280_20_OR_LATER(ah)) {
-		for (i = 0; i < Ar5416RateSize; i++)
-			ratesArray[i] -= AR9287_PWR_TABLE_OFFSET_DB * 2;
-	}
+	for (i = 0; i < Ar5416RateSize; i++)
+		ratesArray[i] -= AR9287_PWR_TABLE_OFFSET_DB * 2;
 
 	ENABLE_REGWRITE_BUFFER(ah);
 
@@ -944,11 +942,6 @@ static void ath9k_hw_ar9287_set_txpower(
 	REGWRITE_BUFFER_FLUSH(ah);
 }
 
-static void ath9k_hw_ar9287_set_addac(struct ath_hw *ah,
-				      struct ath9k_channel *chan)
-{
-}
-
 static void ath9k_hw_ar9287_set_board_values(struct ath_hw *ah,
 					     struct ath9k_channel *chan)
 {
@@ -1100,7 +1093,6 @@ const struct eeprom_ops eep_ar9287_ops =
 	.get_eeprom_ver		= ath9k_hw_ar9287_get_eeprom_ver,
 	.get_eeprom_rev		= ath9k_hw_ar9287_get_eeprom_rev,
 	.set_board_values	= ath9k_hw_ar9287_set_board_values,
-	.set_addac		= ath9k_hw_ar9287_set_addac,
 	.set_txpower		= ath9k_hw_ar9287_set_txpower,
 	.get_spur_channel	= ath9k_hw_ar9287_get_spur_channel
 };
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -547,8 +547,7 @@ static void ath9k_hw_def_set_board_value
 				break;
 		}
 
-		if (AR_SREV_5416_20_OR_LATER(ah) &&
-		    (ah->rxchainmask == 5 || ah->txchainmask == 5) && (i != 0))
+		if ((ah->rxchainmask == 5 || ah->txchainmask == 5) && (i != 0))
 			regChainOffset = (i == 1) ? 0x2000 : 0x1000;
 		else
 			regChainOffset = i * 0x1000;
@@ -565,9 +564,8 @@ static void ath9k_hw_def_set_board_value
 			  SM(pModal->iqCalQCh[i],
 			     AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF));
 
-		if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah))
-			ath9k_hw_def_set_gain(ah, pModal, eep, txRxAttenLocal,
-					      regChainOffset, i);
+		ath9k_hw_def_set_gain(ah, pModal, eep, txRxAttenLocal,
+				      regChainOffset, i);
 	}
 
 	if (AR_SREV_9280_20_OR_LATER(ah)) {
@@ -893,8 +891,7 @@ static void ath9k_hw_set_def_power_cal_t
 		      xpdGainValues[2]);
 
 	for (i = 0; i < AR5416_MAX_CHAINS; i++) {
-		if (AR_SREV_5416_20_OR_LATER(ah) &&
-		    (ah->rxchainmask == 5 || ah->txchainmask == 5) &&
+		if ((ah->rxchainmask == 5 || ah->txchainmask == 5) &&
 		    (i != 0)) {
 			regChainOffset = (i == 1) ? 0x2000 : 0x1000;
 		} else
@@ -935,27 +932,24 @@ static void ath9k_hw_set_def_power_cal_t
 
 			ENABLE_REGWRITE_BUFFER(ah);
 
-			if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah)) {
-				if (OLC_FOR_AR9280_20_LATER) {
-					REG_WRITE(ah,
-						AR_PHY_TPCRG5 + regChainOffset,
-						SM(0x6,
-						AR_PHY_TPCRG5_PD_GAIN_OVERLAP) |
-						SM_PD_GAIN(1) | SM_PD_GAIN(2) |
-						SM_PD_GAIN(3) | SM_PD_GAIN(4));
-				} else {
-					REG_WRITE(ah,
-						AR_PHY_TPCRG5 + regChainOffset,
-						SM(pdGainOverlap_t2,
-						AR_PHY_TPCRG5_PD_GAIN_OVERLAP)|
-						SM_PDGAIN_B(0, 1) |
-						SM_PDGAIN_B(1, 2) |
-						SM_PDGAIN_B(2, 3) |
-						SM_PDGAIN_B(3, 4));
-				}
+			if (OLC_FOR_AR9280_20_LATER) {
+				REG_WRITE(ah,
+					AR_PHY_TPCRG5 + regChainOffset,
+					SM(0x6,
+					AR_PHY_TPCRG5_PD_GAIN_OVERLAP) |
+					SM_PD_GAIN(1) | SM_PD_GAIN(2) |
+					SM_PD_GAIN(3) | SM_PD_GAIN(4));
+			} else {
+				REG_WRITE(ah,
+					AR_PHY_TPCRG5 + regChainOffset,
+					SM(pdGainOverlap_t2,
+					AR_PHY_TPCRG5_PD_GAIN_OVERLAP)|
+					SM_PDGAIN_B(0, 1) |
+					SM_PDGAIN_B(1, 2) |
+					SM_PDGAIN_B(2, 3) |
+					SM_PDGAIN_B(3, 4));
 			}
 
-
 			ath9k_adjust_pdadc_values(ah, pwr_table_offset,
 						  diff, pdadcValues);
 
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -506,7 +506,6 @@ static void ath9k_init_misc(struct ath_s
 		sc->sc_flags |= SC_OP_RXAGGR;
 	}
 
-	ath9k_hw_set_diversity(sc->sc_ah, true);
 	sc->rx.defant = ath9k_hw_getdefantenna(sc->sc_ah);
 
 	memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -800,10 +800,6 @@
 #define AR_SREV_5416(_ah) \
 	(((_ah)->hw_version.macVersion == AR_SREV_VERSION_5416_PCI) || \
 	 ((_ah)->hw_version.macVersion == AR_SREV_VERSION_5416_PCIE))
-#define AR_SREV_5416_20_OR_LATER(_ah) \
-	(((AR_SREV_5416(_ah)) && \
-	 ((_ah)->hw_version.macRev >= AR_SREV_REVISION_5416_20)) || \
-	 ((_ah)->hw_version.macVersion >= AR_SREV_VERSION_9100))
 #define AR_SREV_5416_22_OR_LATER(_ah) \
 	(((AR_SREV_5416(_ah)) && \
 	 ((_ah)->hw_version.macRev >= AR_SREV_REVISION_5416_22)) || \
--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
@@ -869,6 +869,7 @@ static bool ar9002_hw_init_cal(struct at
 	ar9002_hw_pa_cal(ah, true);
 
 	/* Do NF Calibration after DC offset and other calibrations */
+	ath9k_hw_loadnf(ah, chan);
 	ath9k_hw_start_nfcal(ah, true);
 
 	if (ah->caldata)
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -671,7 +671,6 @@ enum queue_stop_reason {
 	IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
 	IEEE80211_QUEUE_STOP_REASON_SUSPEND,
 	IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
-	IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE,
 };
 
 #ifdef CONFIG_MAC80211_LEDS
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1921,24 +1921,8 @@ static void ieee80211_rx_mgmt_beacon(str
 
 		rcu_read_unlock();
 
-		/*
-		 * Whenever the AP announces the HT mode change that can be
-		 * 40MHz intolerant or etc., it would be safer to stop tx
-		 * queues before doing hw config to avoid buffer overflow.
-		 */
-		ieee80211_stop_queues_by_reason(&sdata->local->hw,
-				IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE);
-
-		/* flush out all packets */
-		synchronize_net();
-
-		drv_flush(local, false);
-
 		changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem,
 					       bssid, ap_ht_cap_flags);
-
-		ieee80211_wake_queues_by_reason(&sdata->local->hw,
-				IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE);
 	}
 
 	/* Note: country IE parsing is done for us by cfg80211 */
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -1613,7 +1613,8 @@ static void handle_irq_beacon(struct b43
 	u32 cmd, beacon0_valid, beacon1_valid;
 
 	if (!b43_is_mode(wl, NL80211_IFTYPE_AP) &&
-	    !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT))
+	    !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) &&
+	    !b43_is_mode(wl, NL80211_IFTYPE_ADHOC))
 		return;
 
 	/* This is the bottom half of the asynchronous beacon update. */