bcm63xx: add initial support for bcm6368 boards
[openwrt.git] / package / mac80211 / patches / 300-pending_work.patch
index 7a8e1b1..30ce96e 100644 (file)
---- 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)
+--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+@@ -326,7 +326,6 @@ static bool ar9003_hw_get_isr(struct ath
+ static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
+                                struct ath_tx_status *ts)
  {
-       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);
+-      struct ar9003_txc *txc = (struct ar9003_txc *) ds;
+       struct ar9003_txs *ads;
+       u32 status;
  
-       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;
- }
+@@ -336,11 +335,7 @@ static int ar9003_hw_proc_txdesc(struct 
+       if ((status & AR_TxDone) == 0)
+               return -EINPROGRESS;
  
--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);
+-      ts->qid = MS(ads->ds_info, AR_TxQcuNum);
+-      if (!txc || (MS(txc->info, AR_TxQcuNum) == ts->qid))
+-              ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
 -      else
--              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);
+-              return -ENOENT;
++      ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
+       if ((MS(ads->ds_info, AR_DescId) != ATHEROS_VENDOR_ID) ||
+           (MS(ads->ds_info, AR_TxRxDesc) != 1)) {
+@@ -354,6 +349,7 @@ static int ar9003_hw_proc_txdesc(struct 
+       ts->ts_seqnum = MS(status, AR_SeqNum);
+       ts->tid = MS(status, AR_TxTid);
++      ts->qid = MS(ads->ds_info, AR_TxQcuNum);
+       ts->desc_id = MS(ads->status1, AR_TxDescId);
+       ts->ts_tstamp = ads->status4;
+       ts->ts_status = 0;
+@@ -440,20 +436,14 @@ int ath9k_hw_process_rxdesc_edma(struct 
+       struct ar9003_rxs *rxsp = (struct ar9003_rxs *) buf_addr;
+       unsigned int phyerr;
+-      /* TODO: byte swap on big endian for ar9300_10 */
+-
+-      if (!rxs) {
+-              if ((rxsp->status11 & AR_RxDone) == 0)
+-                      return -EINPROGRESS;
+-
+-              if (MS(rxsp->ds_info, AR_DescId) != 0x168c)
+-                      return -EINVAL;
++      if ((rxsp->status11 & AR_RxDone) == 0)
++              return -EINPROGRESS;
+-              if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)
+-                      return -EINPROGRESS;
++      if (MS(rxsp->ds_info, AR_DescId) != 0x168c)
++              return -EINVAL;
+-              return 0;
 -      }
--
--      /* 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);
-       }
++      if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)
++              return -EINPROGRESS;
  
--      /* 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;
+       rxs->rs_status = 0;
+       rxs->rs_flags =  0;
+@@ -510,7 +500,11 @@ int ath9k_hw_process_rxdesc_edma(struct 
+                */
+               if (rxsp->status11 & AR_CRCErr)
+                       rxs->rs_status |= ATH9K_RXERR_CRC;
+-              else if (rxsp->status11 & AR_PHYErr) {
++              else if (rxsp->status11 & AR_DecryptCRCErr)
++                      rxs->rs_status |= ATH9K_RXERR_DECRYPT;
++              else if (rxsp->status11 & AR_MichaelErr)
++                      rxs->rs_status |= ATH9K_RXERR_MIC;
++              if (rxsp->status11 & AR_PHYErr) {
+                       phyerr = MS(rxsp->status11, AR_PHYErrCode);
+                       /*
+                        * If we reach a point here where AR_PostDelimCRCErr is
+@@ -532,11 +526,7 @@ int ath9k_hw_process_rxdesc_edma(struct 
+                               rxs->rs_status |= ATH9K_RXERR_PHY;
+                               rxs->rs_phyerr = phyerr;
+                       }
 -
--              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);
-+              }
+-              } else if (rxsp->status11 & AR_DecryptCRCErr)
+-                      rxs->rs_status |= ATH9K_RXERR_DECRYPT;
+-              else if (rxsp->status11 & AR_MichaelErr)
+-                      rxs->rs_status |= ATH9K_RXERR_MIC;
++              };
        }
  
-       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)
+       if (rxsp->status11 & AR_KeyMiss)
+--- a/drivers/net/wireless/ath/carl9170/tx.c
++++ b/drivers/net/wireless/ath/carl9170/tx.c
+@@ -1236,6 +1236,7 @@ static bool carl9170_tx_ps_drop(struct a
  {
-       struct sk_buff *skb = bf->bf_mpdu;
-+      struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-       unsigned long flags;
-       int tx_flags = 0;
+       struct ieee80211_sta *sta;
+       struct carl9170_sta_info *sta_info;
++      struct ieee80211_tx_info *tx_info;
  
-       if (sendbar)
-               tx_flags = ATH_TX_BAR;
+       rcu_read_lock();
+       sta = __carl9170_get_tx_sta(ar, skb);
+@@ -1243,12 +1244,13 @@ static bool carl9170_tx_ps_drop(struct a
+               goto out_rcu;
  
--      if (!txok) {
-+      if (!txok)
-               tx_flags |= ATH_TX_ERROR;
+       sta_info = (void *) sta->drv_priv;
+-      if (unlikely(sta_info->sleeping)) {
+-              struct ieee80211_tx_info *tx_info;
++      tx_info = IEEE80211_SKB_CB(skb);
  
--              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
++      if (unlikely(sta_info->sleeping) &&
++          !(tx_info->flags & (IEEE80211_TX_CTL_NO_PS_BUFFER |
++                              IEEE80211_TX_CTL_CLEAR_PS_FILT))) {
+               rcu_read_unlock();
  
- 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_
-       }
+-              tx_info = IEEE80211_SKB_CB(skb);
+               if (tx_info->flags & IEEE80211_TX_CTL_AMPDU)
+                       atomic_dec(&ar->tx_ampdu_upload);
  
-       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) {
+--- a/drivers/net/wireless/iwlegacy/4965-mac.c
++++ b/drivers/net/wireless/iwlegacy/4965-mac.c
+@@ -1694,7 +1694,7 @@ il4965_tx_skb(struct il_priv *il, struct
+               sta_priv = (void *)sta->drv_priv;
+       if (sta_priv && sta_priv->asleep &&
+-          (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)) {
++          (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) {
+               /*
+                * This sends an asynchronous command to the device,
+                * but we can rely on it being processed before the
+--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
++++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+@@ -322,7 +322,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
+               sta_priv = (void *)info->control.sta->drv_priv;
+       if (sta_priv && sta_priv->asleep &&
+-          (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)) {
++          (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) {
                /*
-                * 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.
+                * This sends an asynchronous command to the device,
+                * but we can rely on it being processed before the
+@@ -331,6 +331,10 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
+                * counter.
+                * For now set the counter to just 1 since we do not
+                * support uAPSD yet.
++               *
++               * FIXME: If we get two non-bufferable frames one
++               * after the other, we might only send out one of
++               * them because this is racy.
                 */
--              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);
+               iwl_sta_modify_sleep_tx_count(priv, sta_id, 1);
+       }
+--- a/drivers/net/wireless/p54/txrx.c
++++ b/drivers/net/wireless/p54/txrx.c
+@@ -690,7 +690,7 @@ static void p54_tx_80211_header(struct p
+       if (!(info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ))
+               *flags |= P54_HDR_FLAG_DATA_OUT_SEQNR;
+-      if (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)
++      if (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)
+               *flags |= P54_HDR_FLAG_DATA_OUT_NOCANCEL;
+       if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT)
+--- a/include/net/mac80211.h
++++ b/include/net/mac80211.h
+@@ -341,9 +341,9 @@ struct ieee80211_bss_conf {
+  *    used to indicate that a frame was already retried due to PS
+  * @IEEE80211_TX_INTFL_DONT_ENCRYPT: completely internal to mac80211,
+  *    used to indicate frame should not be encrypted
+- * @IEEE80211_TX_CTL_POLL_RESPONSE: This frame is a response to a poll
+- *    frame (PS-Poll or uAPSD) and should be sent although the station
+- *    is in powersave mode.
++ * @IEEE80211_TX_CTL_NO_PS_BUFFER: This frame is a response to a poll
++ *    frame (PS-Poll or uAPSD) or a non-bufferable MMPDU and must
++ *    be sent although the station is in powersave mode.
+  * @IEEE80211_TX_CTL_MORE_FRAMES: More frames will be passed to the
+  *    transmit function after the current frame, this can be used
+  *    by drivers to kick the DMA queue only if unset or when the
+@@ -399,7 +399,7 @@ enum mac80211_tx_control_flags {
+       IEEE80211_TX_INTFL_NEED_TXPROCESSING    = BIT(14),
+       IEEE80211_TX_INTFL_RETRIED              = BIT(15),
+       IEEE80211_TX_INTFL_DONT_ENCRYPT         = BIT(16),
+-      IEEE80211_TX_CTL_POLL_RESPONSE          = BIT(17),
++      IEEE80211_TX_CTL_NO_PS_BUFFER           = BIT(17),
+       IEEE80211_TX_CTL_MORE_FRAMES            = BIT(18),
+       IEEE80211_TX_INTFL_RETRANSMISSION       = BIT(19),
+       /* hole at 20, use later */
+@@ -425,7 +425,7 @@ enum mac80211_tx_control_flags {
+       IEEE80211_TX_CTL_SEND_AFTER_DTIM | IEEE80211_TX_CTL_AMPDU |           \
+       IEEE80211_TX_STAT_TX_FILTERED | IEEE80211_TX_STAT_ACK |               \
+       IEEE80211_TX_STAT_AMPDU | IEEE80211_TX_STAT_AMPDU_NO_BACK |           \
+-      IEEE80211_TX_CTL_RATE_CTRL_PROBE | IEEE80211_TX_CTL_POLL_RESPONSE |   \
++      IEEE80211_TX_CTL_RATE_CTRL_PROBE | IEEE80211_TX_CTL_NO_PS_BUFFER |    \
+       IEEE80211_TX_CTL_MORE_FRAMES | IEEE80211_TX_CTL_LDPC |                \
+       IEEE80211_TX_CTL_STBC | IEEE80211_TX_STATUS_EOSP)
+@@ -659,6 +659,8 @@ ieee80211_tx_info_clear_status(struct ie
+  * @RX_FLAG_HT: HT MCS was used and rate_idx is MCS index
+  * @RX_FLAG_40MHZ: HT40 (40 MHz) was used
+  * @RX_FLAG_SHORT_GI: Short guard interval was used
++ * @RX_FLAG_NO_SIGNAL_VAL: The signal strength value is not present.
++ *    Valid only for data frames (mainly A-MPDU)
+  */
+ enum mac80211_rx_flags {
+       RX_FLAG_MMIC_ERROR      = 1<<0,
+@@ -672,6 +674,7 @@ enum mac80211_rx_flags {
+       RX_FLAG_HT              = 1<<9,
+       RX_FLAG_40MHZ           = 1<<10,
+       RX_FLAG_SHORT_GI        = 1<<11,
++      RX_FLAG_NO_SIGNAL_VAL   = 1<<12,
+ };
+ /**
+@@ -1634,7 +1637,7 @@ void ieee80211_free_txskb(struct ieee802
+  * the station sends a PS-Poll or a uAPSD trigger frame, mac80211
+  * will inform the driver of this with the @allow_buffered_frames
+  * callback; this callback is optional. mac80211 will then transmit
+- * the frames as usual and set the %IEEE80211_TX_CTL_POLL_RESPONSE
++ * the frames as usual and set the %IEEE80211_TX_CTL_NO_PS_BUFFER
+  * on each frame. The last frame in the service period (or the only
+  * response to a PS-Poll) also has %IEEE80211_TX_STATUS_EOSP set to
+  * indicate that it ends the service period; as this frame must have
+@@ -1642,6 +1645,9 @@ void ieee80211_free_txskb(struct ieee802
+  * When TX status is reported for this frame, the service period is
+  * marked has having ended and a new one can be started by the peer.
+  *
++ * Additionally, non-bufferable MMPDUs can also be transmitted by
++ * mac80211 with the %IEEE80211_TX_CTL_NO_PS_BUFFER set in them.
++ *
+  * Another race condition can happen on some devices like iwlwifi
+  * when there are frames queued for the station and it wakes up
+  * or polls; the frames that are already queued could end up being
+@@ -2140,7 +2146,7 @@ enum ieee80211_frame_release_type {
+  * @allow_buffered_frames: Prepare device to allow the given number of frames
+  *    to go out to the given station. The frames will be sent by mac80211
+  *    via the usual TX path after this call. The TX information for frames
+- *    released will also have the %IEEE80211_TX_CTL_POLL_RESPONSE flag set
++ *    released will also have the %IEEE80211_TX_CTL_NO_PS_BUFFER flag set
+  *    and the last one will also have %IEEE80211_TX_STATUS_EOSP set. In case
+  *    frames from multiple TIDs are released and the driver might reorder
+  *    them between the TIDs, it must set the %IEEE80211_TX_STATUS_EOSP flag
 --- 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)
+@@ -187,6 +187,8 @@ static void ieee80211_send_addba_resp(st
                memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
+       else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+               memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
 +      else if (sdata->vif.type == NL80211_IFTYPE_WDS)
 +              memcpy(mgmt->bssid, da, ETH_ALEN);
  
                                          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);
+@@ -81,7 +81,8 @@ static void ieee80211_send_addba_request
        memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
        if (sdata->vif.type == NL80211_IFTYPE_AP ||
--          sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
-+          sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+           sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+-          sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
++          sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
 +          sdata->vif.type == NL80211_IFTYPE_WDS)
                memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
        else if (sdata->vif.type == NL80211_IFTYPE_STATION)
                memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
-@@ -397,7 +398,8 @@ int ieee80211_start_tx_ba_session(struct
-        */
-       if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+@@ -471,6 +472,7 @@ int ieee80211_start_tx_ba_session(struct
+           sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
            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)
+           sdata->vif.type != NL80211_IFTYPE_AP &&
++          sdata->vif.type != NL80211_IFTYPE_WDS &&
+           sdata->vif.type != NL80211_IFTYPE_ADHOC)
                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);
- }
+@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil
+       test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
+       int res = scnprintf(buf, sizeof(buf),
+-                          "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
++                          "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+                           TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
+                           TEST(PS_DRIVER), TEST(AUTHORIZED),
+                           TEST(SHORT_PREAMBLE),
+-                          TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
++                          TEST(WME), TEST(CLEAR_PS_FILT),
+                           TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
+                           TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
+                           TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
 --- a/net/mac80211/iface.c
 +++ b/net/mac80211/iface.c
 @@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_
        u32 changed = 0;
        int res;
        u32 hw_reconf_flags = 0;
-@@ -290,27 +289,6 @@ static int ieee80211_do_open(struct net_
+@@ -309,28 +308,6 @@ static int ieee80211_do_open(struct net_
  
        set_bit(SDATA_STATE_RUNNING, &sdata->state);
  
 -                      goto err_del_interface;
 -              }
 -
--              /* no locking required since STA is not live yet */
--              sta->flags |= WLAN_STA_AUTHORIZED;
+-              sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
+-              sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
+-              sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
 -
 -              res = sta_info_insert(sta);
 -              if (res) {
        /*
         * 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_
+@@ -357,8 +334,7 @@ static int ieee80211_do_open(struct net_
        netif_tx_start_all_queues(dev);
  
        return 0;
 - err_del_interface:
--      drv_remove_interface(local, &sdata->vif);
+-      drv_remove_interface(local, sdata);
 +
   err_stop:
        if (!local->open_count)
                drv_stop(local);
-@@ -718,6 +695,70 @@ static void ieee80211_if_setup(struct ne
+@@ -722,6 +698,70 @@ static void ieee80211_if_setup(struct ne
        dev->destructor = free_netdev;
  }
  
 +      sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
 +
 +      if (elems.ht_cap_elem)
-+              ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
++              ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
 +                              elems.ht_cap_elem, &sta->sta.ht_cap);
 +
 +      if (elems.wmm_param)
-+              set_sta_flags(sta, WLAN_STA_WME);
++              set_sta_flag(sta, WLAN_STA_WME);
 +
 +      if (new) {
-+              sta->flags = WLAN_STA_AUTHORIZED;
++              set_sta_flag(sta, WLAN_STA_AUTHORIZED);
 +              rate_control_rate_init(sta);
 +              sta_info_insert_rcu(sta);
 +      }
  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 
+@@ -826,6 +866,9 @@ static void ieee80211_iface_work(struct 
                                break;
                        ieee80211_mesh_rx_queued_mgmt(sdata, skb);
                        break;
                        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 &&
+@@ -177,7 +177,8 @@ ieee80211_add_rx_radiotap_header(struct 
+       pos += 2;
+       /* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */
+-      if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
++      if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM &&
++          !(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {
+               *pos = status->signal;
+               rthdr->it_present |=
+                       cpu_to_le32(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL);
+@@ -489,12 +490,12 @@ ieee80211_rx_mesh_check(struct ieee80211
+                       if (ieee80211_has_tods(hdr->frame_control) ||
+                               !ieee80211_has_fromds(hdr->frame_control))
+                               return RX_DROP_MONITOR;
+-                      if (memcmp(hdr->addr3, dev_addr, ETH_ALEN) == 0)
++                      if (compare_ether_addr(hdr->addr3, dev_addr) == 0)
+                               return RX_DROP_MONITOR;
+               } else {
+                       if (!ieee80211_has_a4(hdr->frame_control))
+                               return RX_DROP_MONITOR;
+-                      if (memcmp(hdr->addr4, dev_addr, ETH_ALEN) == 0)
++                      if (compare_ether_addr(hdr->addr4, dev_addr) == 0)
+                               return RX_DROP_MONITOR;
+               }
+       }
+@@ -1309,8 +1310,10 @@ ieee80211_rx_h_sta_process(struct ieee80
+       sta->rx_fragments++;
+       sta->rx_bytes += rx->skb->len;
+-      sta->last_signal = status->signal;
+-      ewma_add(&sta->avg_signal, -status->signal);
++      if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {
++              sta->last_signal = status->signal;
++              ewma_add(&sta->avg_signal, -status->signal);
++      }
+       /*
+        * Change STA power saving mode only at the end of a frame
+@@ -2282,6 +2285,7 @@ ieee80211_rx_h_action(struct ieee80211_r
+                   sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
                    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)
+                   sdata->vif.type != NL80211_IFTYPE_AP &&
++                  sdata->vif.type != NL80211_IFTYPE_WDS &&
+                   sdata->vif.type != NL80211_IFTYPE_ADHOC)
                        break;
  
-               /* verify action_code is present */
-@@ -2378,13 +2379,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+@@ -2336,7 +2340,7 @@ ieee80211_rx_h_action(struct ieee80211_r
+                       if (sdata->vif.type != NL80211_IFTYPE_STATION)
+                               break;
+-                      if (memcmp(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN))
++                      if (compare_ether_addr(mgmt->bssid, sdata->u.mgd.bssid))
+                               break;
+                       goto queue;
+@@ -2492,14 +2496,15 @@ 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_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
+       switch (stype) {
+       case cpu_to_le16(IEEE80211_STYPE_AUTH):
+       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_ASSOC_RESP):
+       case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
+@@ -2853,10 +2858,16 @@ 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.c
++++ b/net/mac80211/sta_info.c
+@@ -9,6 +9,7 @@
+ #include <linux/module.h>
+ #include <linux/init.h>
++#include <linux/etherdevice.h>
+ #include <linux/netdevice.h>
+ #include <linux/types.h>
+ #include <linux/slab.h>
+@@ -101,7 +102,7 @@ struct sta_info *sta_info_get(struct iee
+                                   lockdep_is_held(&local->sta_mtx));
+       while (sta) {
+               if (sta->sdata == sdata &&
+-                  memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
++                  compare_ether_addr(sta->sta.addr, addr) == 0)
+                       break;
+               sta = rcu_dereference_check(sta->hnext,
+                                           lockdep_is_held(&local->sta_mtx));
+@@ -124,7 +125,7 @@ struct sta_info *sta_info_get_bss(struct
+       while (sta) {
+               if ((sta->sdata == sdata ||
+                    (sta->sdata->bss && sta->sdata->bss == sdata->bss)) &&
+-                  memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
++                  compare_ether_addr(sta->sta.addr, addr) == 0)
+                       break;
+               sta = rcu_dereference_check(sta->hnext,
+                                           lockdep_is_held(&local->sta_mtx));
+@@ -1050,7 +1051,7 @@ static void ieee80211_send_null_response
+        * exchange. Also set EOSP to indicate this packet
+        * ends the poll/service period.
+        */
+-      info->flags |= IEEE80211_TX_CTL_POLL_RESPONSE |
++      info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER |
+                      IEEE80211_TX_STATUS_EOSP |
+                      IEEE80211_TX_CTL_REQ_TX_STATUS;
+@@ -1177,7 +1178,7 @@ ieee80211_sta_ps_deliver_response(struct
+                        * STA may still remain is PS mode after this frame
+                        * exchange.
+                        */
+-                      info->flags |= IEEE80211_TX_CTL_POLL_RESPONSE;
++                      info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER;
+                       /*
+                        * Use MoreData flag to indicate whether there are
+--- a/net/mac80211/sta_info.h
++++ b/net/mac80211/sta_info.h
+@@ -14,6 +14,7 @@
+ #include <linux/if_ether.h>
+ #include <linux/workqueue.h>
+ #include <linux/average.h>
++#include <linux/etherdevice.h>
+ #include "key.h"
+ /**
+@@ -31,7 +32,6 @@
+  * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
+  *    frames.
+  * @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.
+@@ -62,7 +62,6 @@ enum ieee80211_sta_info_flags {
+       WLAN_STA_AUTHORIZED,
+       WLAN_STA_SHORT_PREAMBLE,
+       WLAN_STA_WME,
+-      WLAN_STA_WDS,
+       WLAN_STA_CLEAR_PS_FILT,
+       WLAN_STA_MFP,
+       WLAN_STA_BLOCK_BA,
+@@ -489,7 +488,7 @@ void for_each_sta_info_type_check(struct
+               nxt = _sta ? rcu_dereference(_sta->hnext) : NULL        \
+            )                                                          \
+       /* compare address and run code only if it matches */           \
+-      if (memcmp(_sta->sta.addr, (_addr), ETH_ALEN) == 0)
++      if (compare_ether_addr(_sta->sta.addr, (_addr)) == 0)
+ /*
+  * Get STA info by index, BROKEN!
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -448,18 +448,23 @@ ieee80211_tx_h_unicast_ps_buf(struct iee
+       struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
+       struct ieee80211_local *local = tx->local;
+-      if (unlikely(!sta ||
+-                   ieee80211_is_probe_resp(hdr->frame_control) ||
+-                   ieee80211_is_auth(hdr->frame_control) ||
+-                   ieee80211_is_assoc_resp(hdr->frame_control) ||
+-                   ieee80211_is_reassoc_resp(hdr->frame_control)))
++      if (unlikely(!sta))
+               return TX_CONTINUE;
+       if (unlikely((test_sta_flag(sta, WLAN_STA_PS_STA) ||
+                     test_sta_flag(sta, WLAN_STA_PS_DRIVER)) &&
+-                   !(info->flags & IEEE80211_TX_CTL_POLL_RESPONSE))) {
++                   !(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER))) {
+               int ac = skb_get_queue_mapping(tx->skb);
++              /* only deauth, disassoc and action are bufferable MMPDUs */
++              if (ieee80211_is_mgmt(hdr->frame_control) &&
++                  !ieee80211_is_deauth(hdr->frame_control) &&
++                  !ieee80211_is_disassoc(hdr->frame_control) &&
++                  !ieee80211_is_action(hdr->frame_control)) {
++                      info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER;
++                      return TX_CONTINUE;
++              }
++
+ #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
+               printk(KERN_DEBUG "STA %pM aid %d: PS buffer for AC %d\n",
+                      sta->sta.addr, sta->sta.aid, ac);
+@@ -1060,6 +1065,7 @@ static bool ieee80211_tx_prep_agg(struct
+ {
+       bool queued = false;
+       bool reset_agg_timer = false;
++      struct sk_buff *purge_skb = NULL;
+       if (test_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state)) {
+               info->flags |= IEEE80211_TX_CTL_AMPDU;
+@@ -1101,8 +1107,13 @@ static bool ieee80211_tx_prep_agg(struct
+                       info->control.vif = &tx->sdata->vif;
+                       info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
+                       __skb_queue_tail(&tid_tx->pending, skb);
++                      if (skb_queue_len(&tid_tx->pending) > STA_MAX_TX_BUFFER)
++                              purge_skb = __skb_dequeue(&tid_tx->pending);
+               }
+               spin_unlock(&tx->sta->lock);
++
++              if (purge_skb)
++                      dev_kfree_skb(purge_skb);
+       }
+       /* reset session timer */
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -480,7 +480,7 @@ struct ieee80211_if_ibss {
+       bool control_port;
+-      u8 bssid[ETH_ALEN];
++      u8 bssid[ETH_ALEN] __aligned(2);
+       u8 ssid[IEEE80211_MAX_SSID_LEN];
+       u8 ssid_len, ie_len;
+       u8 *ie;
+--- a/net/mac80211/ibss.c
++++ b/net/mac80211/ibss.c
+@@ -66,7 +66,7 @@ static void __ieee80211_sta_join_ibss(st
+       skb_reset_tail_pointer(skb);
+       skb_reserve(skb, sdata->local->hw.extra_tx_headroom);
+-      if (memcmp(ifibss->bssid, bssid, ETH_ALEN))
++      if (compare_ether_addr(ifibss->bssid, bssid))
+               sta_info_flush(sdata->local, sdata);
+       /* if merging, indicate to driver that we leave the old IBSS */
+@@ -403,7 +403,7 @@ static void ieee80211_rx_bss_info(struct
+               return;
+       if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
+-          memcmp(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN) == 0) {
++          compare_ether_addr(mgmt->bssid, sdata->u.ibss.bssid) == 0) {
+               rcu_read_lock();
+               sta = sta_info_get(sdata, mgmt->sa);
+@@ -508,7 +508,7 @@ static void ieee80211_rx_bss_info(struct
+               goto put_bss;
+       /* same BSSID */
+-      if (memcmp(cbss->bssid, sdata->u.ibss.bssid, ETH_ALEN) == 0)
++      if (compare_ether_addr(cbss->bssid, sdata->u.ibss.bssid) == 0)
+               goto put_bss;
+       if (rx_status->flag & RX_FLAG_MACTIME_MPDU) {
+@@ -831,8 +831,8 @@ static void ieee80211_rx_mgmt_probe_req(
+       if (!tx_last_beacon && is_multicast_ether_addr(mgmt->da))
+               return;
+-      if (memcmp(mgmt->bssid, ifibss->bssid, ETH_ALEN) != 0 &&
+-          memcmp(mgmt->bssid, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) != 0)
++      if (compare_ether_addr(mgmt->bssid, ifibss->bssid) != 0 &&
++          !is_broadcast_ether_addr(mgmt->bssid))
+               return;
+       end = ((u8 *) mgmt) + len;
+--- a/net/mac80211/mesh.c
++++ b/net/mac80211/mesh.c
+@@ -204,7 +204,7 @@ int mesh_rmc_check(u8 *sa, struct ieee80
+                       kmem_cache_free(rm_cache, p);
+                       --entries;
+               } else if ((seqnum == p->seqnum) &&
+-                         (memcmp(sa, p->sa, ETH_ALEN) == 0))
++                         (compare_ether_addr(sa, p->sa) == 0))
+                       return -1;
+       }
+--- a/net/mac80211/mesh_hwmp.c
++++ b/net/mac80211/mesh_hwmp.c
+@@ -8,6 +8,7 @@
+  */
+ #include <linux/slab.h>
++#include <linux/etherdevice.h>
+ #include <asm/unaligned.h>
+ #include "wme.h"
+ #include "mesh.h"
+@@ -419,7 +420,7 @@ static u32 hwmp_route_info_get(struct ie
+               new_metric = MAX_METRIC;
+       exp_time = TU_TO_EXP_TIME(orig_lifetime);
+-      if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0) {
++      if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0) {
+               /* This MP is the originator, we are not interested in this
+                * frame, except for updating transmitter's path info.
+                */
+@@ -469,7 +470,7 @@ static u32 hwmp_route_info_get(struct ie
+       /* Update and check transmitter routing info */
+       ta = mgmt->sa;
+-      if (memcmp(orig_addr, ta, ETH_ALEN) == 0)
++      if (compare_ether_addr(orig_addr, ta) == 0)
+               fresh_info = false;
+       else {
+               fresh_info = true;
+@@ -529,7 +530,7 @@ static void hwmp_preq_frame_process(stru
+       mhwmp_dbg("received PREQ from %pM", orig_addr);
+-      if (memcmp(target_addr, sdata->vif.addr, ETH_ALEN) == 0) {
++      if (compare_ether_addr(target_addr, sdata->vif.addr) == 0) {
+               mhwmp_dbg("PREQ is for us");
+               forward = false;
+               reply = true;
+@@ -624,7 +625,7 @@ static void hwmp_prep_frame_process(stru
+       mhwmp_dbg("received PREP from %pM", PREP_IE_ORIG_ADDR(prep_elem));
+       orig_addr = PREP_IE_ORIG_ADDR(prep_elem);
+-      if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0)
++      if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0)
+               /* destination, no forwarding required */
+               return;
+@@ -694,10 +695,12 @@ static void hwmp_perr_frame_process(stru
+       rcu_read_lock();
+       mpath = mesh_path_lookup(target_addr, sdata);
+       if (mpath) {
++              struct sta_info *sta;
++
+               spin_lock_bh(&mpath->state_lock);
++              sta = next_hop_deref_protected(mpath);
+               if (mpath->flags & MESH_PATH_ACTIVE &&
+-                  memcmp(ta, next_hop_deref_protected(mpath)->sta.addr,
+-                                                      ETH_ALEN) == 0 &&
++                  compare_ether_addr(ta, sta->sta.addr) == 0 &&
+                   (!(mpath->flags & MESH_PATH_SN_VALID) ||
+                   SN_GT(target_sn, mpath->sn))) {
+                       mpath->flags &= ~MESH_PATH_ACTIVE;
+@@ -739,7 +742,7 @@ static void hwmp_rann_frame_process(stru
+       metric = rann->rann_metric;
+       /*  Ignore our own RANNs */
+-      if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0)
++      if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0)
+               return;
+       mhwmp_dbg("received RANN from %pM (is_gate=%d)", orig_addr,
+@@ -1064,7 +1067,7 @@ int mesh_nexthop_lookup(struct sk_buff *
+       if (time_after(jiffies,
+                      mpath->exp_time -
+                      msecs_to_jiffies(sdata->u.mesh.mshcfg.path_refresh_time)) &&
+-          !memcmp(sdata->vif.addr, hdr->addr4, ETH_ALEN) &&
++          !compare_ether_addr(sdata->vif.addr, hdr->addr4) &&
+           !(mpath->flags & MESH_PATH_RESOLVING) &&
+           !(mpath->flags & MESH_PATH_FIXED))
+               mesh_queue_preq(mpath, PREQ_Q_F_START | PREQ_Q_F_REFRESH);
+--- a/net/mac80211/mesh_pathtbl.c
++++ b/net/mac80211/mesh_pathtbl.c
+@@ -350,7 +350,7 @@ static struct mesh_path *mpath_lookup(st
+       hlist_for_each_entry_rcu(node, n, bucket, list) {
+               mpath = node->mpath;
+               if (mpath->sdata == sdata &&
+-                              memcmp(dst, mpath->dst, ETH_ALEN) == 0) {
++                              compare_ether_addr(dst, mpath->dst) == 0) {
+                       if (MPATH_EXPIRED(mpath)) {
+                               spin_lock_bh(&mpath->state_lock);
+                               mpath->flags &= ~MESH_PATH_ACTIVE;
+@@ -525,7 +525,7 @@ int mesh_path_add(u8 *dst, struct ieee80
+       int err = 0;
+       u32 hash_idx;
+-      if (memcmp(dst, sdata->vif.addr, ETH_ALEN) == 0)
++      if (compare_ether_addr(dst, sdata->vif.addr) == 0)
+               /* never add ourselves as neighbours */
+               return -ENOTSUPP;
+@@ -566,7 +566,8 @@ int mesh_path_add(u8 *dst, struct ieee80
+       err = -EEXIST;
+       hlist_for_each_entry(node, n, bucket, list) {
+               mpath = node->mpath;
+-              if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
++              if (mpath->sdata == sdata &&
++                  compare_ether_addr(dst, mpath->dst) == 0)
+                       goto err_exists;
+       }
+@@ -657,7 +658,7 @@ int mpp_path_add(u8 *dst, u8 *mpp, struc
+       int err = 0;
+       u32 hash_idx;
+-      if (memcmp(dst, sdata->vif.addr, ETH_ALEN) == 0)
++      if (compare_ether_addr(dst, sdata->vif.addr) == 0)
+               /* never add ourselves as neighbours */
+               return -ENOTSUPP;
+@@ -694,7 +695,8 @@ int mpp_path_add(u8 *dst, u8 *mpp, struc
+       err = -EEXIST;
+       hlist_for_each_entry(node, n, bucket, list) {
+               mpath = node->mpath;
+-              if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
++              if (mpath->sdata == sdata &&
++                  compare_ether_addr(dst, mpath->dst) == 0)
+                       goto err_exists;
+       }
+@@ -887,7 +889,7 @@ int mesh_path_del(u8 *addr, struct ieee8
+       hlist_for_each_entry(node, n, bucket, list) {
+               mpath = node->mpath;
+               if (mpath->sdata == sdata &&
+-                  memcmp(addr, mpath->dst, ETH_ALEN) == 0) {
++                  compare_ether_addr(addr, mpath->dst) == 0) {
+                       __mesh_path_del(tbl, node);
+                       goto enddel;
+               }
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -1812,7 +1812,7 @@ ieee80211_rx_mgmt_auth(struct ieee80211_
+       memcpy(bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN);
+-      if (memcmp(bssid, mgmt->bssid, ETH_ALEN))
++      if (compare_ether_addr(bssid, mgmt->bssid))
+               return RX_MGMT_NONE;
+       auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg);
+@@ -1893,7 +1893,7 @@ ieee80211_rx_mgmt_deauth(struct ieee8021
+               return RX_MGMT_NONE;
+       if (!ifmgd->associated ||
+-          memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN))
++          compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid))
+               return RX_MGMT_NONE;
+       bssid = ifmgd->associated->bssid;
+@@ -1925,7 +1925,7 @@ ieee80211_rx_mgmt_disassoc(struct ieee80
+               return RX_MGMT_NONE;
+       if (!ifmgd->associated ||
+-          memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN))
++          compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid))
+               return RX_MGMT_NONE;
+       reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
+@@ -2190,7 +2190,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee
+       if (!assoc_data)
+               return RX_MGMT_NONE;
+-      if (memcmp(assoc_data->bss->bssid, mgmt->bssid, ETH_ALEN))
++      if (compare_ether_addr(assoc_data->bss->bssid, mgmt->bssid))
+               return RX_MGMT_NONE;
+       /*
+@@ -2278,8 +2278,8 @@ static void ieee80211_rx_bss_info(struct
+       bool need_ps = false;
+       if (sdata->u.mgd.associated &&
+-          memcmp(mgmt->bssid, sdata->u.mgd.associated->bssid,
+-                 ETH_ALEN) == 0) {
++          compare_ether_addr(mgmt->bssid, sdata->u.mgd.associated->bssid)
++          == 0) {
+               bss = (void *)sdata->u.mgd.associated->priv;
+               /* not previously set so we may need to recalc */
+               need_ps = !bss->dtim_period;
+@@ -2334,7 +2334,7 @@ static void ieee80211_rx_mgmt_probe_resp
+       ASSERT_MGD_MTX(ifmgd);
+-      if (memcmp(mgmt->da, sdata->vif.addr, ETH_ALEN))
++      if (compare_ether_addr(mgmt->da, sdata->vif.addr))
+               return; /* ignore ProbeResp to foreign address */
+       baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
+@@ -2347,11 +2347,12 @@ static void ieee80211_rx_mgmt_probe_resp
+       ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, false);
+       if (ifmgd->associated &&
+-          memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN) == 0)
++          compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid) == 0)
+               ieee80211_reset_ap_probe(sdata);
+       if (ifmgd->auth_data && !ifmgd->auth_data->bss->proberesp_ies &&
+-          memcmp(mgmt->bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN) == 0) {
++          compare_ether_addr(mgmt->bssid, ifmgd->auth_data->bss->bssid)
++          == 0) {
+               /* got probe response, continue with auth */
+               printk(KERN_DEBUG "%s: direct probe responded\n", sdata->name);
+               ifmgd->auth_data->tries = 0;
+@@ -2408,7 +2409,8 @@ static void ieee80211_rx_mgmt_beacon(str
+               return;
+       if (ifmgd->assoc_data && !ifmgd->assoc_data->have_beacon &&
+-          memcmp(mgmt->bssid, ifmgd->assoc_data->bss->bssid, ETH_ALEN) == 0) {
++          compare_ether_addr(mgmt->bssid, ifmgd->assoc_data->bss->bssid)
++          == 0) {
+               ieee802_11_parse_elems(mgmt->u.beacon.variable,
+                                      len - baselen, &elems);
+@@ -2423,7 +2425,7 @@ static void ieee80211_rx_mgmt_beacon(str
+       }
+       if (!ifmgd->associated ||
+-          memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN))
++          compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid))
+               return;
+       bssid = ifmgd->associated->bssid;
+@@ -3285,7 +3287,7 @@ int ieee80211_mgd_assoc(struct ieee80211
+               bool match;
+               /* keep sta info, bssid if matching */
+-              match = memcmp(ifmgd->bssid, req->bss->bssid, ETH_ALEN) == 0;
++              match = compare_ether_addr(ifmgd->bssid, req->bss->bssid) == 0;
+               ieee80211_destroy_auth_data(sdata, match);
+       }
+@@ -3407,7 +3409,7 @@ int ieee80211_mgd_assoc(struct ieee80211
+                       goto err_clear;
                }
-               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,
+       } else
+-              WARN_ON_ONCE(memcmp(ifmgd->bssid, req->bss->bssid, ETH_ALEN));
++              WARN_ON_ONCE(compare_ether_addr(ifmgd->bssid, req->bss->bssid));
+       if (!bss->dtim_period &&
+           sdata->local->hw.flags & IEEE80211_HW_NEED_DTIM_PERIOD) {
+@@ -3448,7 +3450,7 @@ int ieee80211_mgd_deauth(struct ieee8021
+       mutex_lock(&ifmgd->mtx);
+       if (ifmgd->associated &&
+-          memcmp(ifmgd->associated->bssid, req->bssid, ETH_ALEN) == 0) {
++          compare_ether_addr(ifmgd->associated->bssid, req->bssid) == 0) {
+               ieee80211_set_disassoc(sdata, false, true);
+               assoc_bss = true;
+       } else if (ifmgd->auth_data) {
 --- a/net/mac80211/status.c
 +++ b/net/mac80211/status.c
-@@ -278,17 +278,19 @@ void ieee80211_tx_status(struct ieee8021
-               }
+@@ -10,6 +10,7 @@
+  */
  
-               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);
+ #include <linux/export.h>
++#include <linux/etherdevice.h>
+ #include <net/mac80211.h>
+ #include <asm/unaligned.h>
+ #include "ieee80211_i.h"
+@@ -377,7 +378,7 @@ void ieee80211_tx_status(struct ieee8021
+       for_each_sta_info(local, hdr->addr1, sta, tmp) {
+               /* skip wrong virtual interface */
+-              if (memcmp(hdr->addr2, sta->sdata->vif.addr, ETH_ALEN))
++              if (compare_ether_addr(hdr->addr2, sta->sdata->vif.addr))
+                       continue;
  
--                              tid = (bar->control &
-+                              tid = (control &
-                                      IEEE80211_BAR_CTRL_TID_INFO_MASK) >>
-                                     IEEE80211_BAR_CTRL_TID_INFO_SHIFT;
+               if (info->flags & IEEE80211_TX_STATUS_EOSP)
+--- a/net/wireless/mlme.c
++++ b/net/wireless/mlme.c
+@@ -6,6 +6,7 @@
+ #include <linux/kernel.h>
+ #include <linux/module.h>
++#include <linux/etherdevice.h>
+ #include <linux/netdevice.h>
+ #include <linux/nl80211.h>
+ #include <linux/slab.h>
+@@ -100,7 +101,7 @@ void __cfg80211_send_deauth(struct net_d
+       ASSERT_WDEV_LOCK(wdev);
+       if (wdev->current_bss &&
+-          memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
++          compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) {
+               cfg80211_unhold_bss(wdev->current_bss);
+               cfg80211_put_bss(&wdev->current_bss->pub);
+               wdev->current_bss = NULL;
+@@ -115,7 +116,7 @@ void __cfg80211_send_deauth(struct net_d
+               reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
+-              from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0;
++              from_ap = compare_ether_addr(mgmt->sa, dev->dev_addr) != 0;
+               __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
+       } else if (wdev->sme_state == CFG80211_SME_CONNECTING) {
+               __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0,
+@@ -154,7 +155,7 @@ void __cfg80211_send_disassoc(struct net
+               return;
  
---- 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 (wdev->current_bss &&
+-          memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
++          compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) {
+               cfg80211_sme_disassoc(dev, wdev->current_bss);
+               cfg80211_unhold_bss(wdev->current_bss);
+               cfg80211_put_bss(&wdev->current_bss->pub);
+@@ -165,7 +166,7 @@ void __cfg80211_send_disassoc(struct net
+       reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
+-      from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0;
++      from_ap = compare_ether_addr(mgmt->sa, dev->dev_addr) != 0;
+       __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
+ }
+ EXPORT_SYMBOL(__cfg80211_send_disassoc);
+@@ -285,7 +286,7 @@ int __cfg80211_mlme_auth(struct cfg80211
+                       return -EINVAL;
+       if (wdev->current_bss &&
+-          memcmp(bssid, wdev->current_bss->pub.bssid, ETH_ALEN) == 0)
++          compare_ether_addr(bssid, wdev->current_bss->pub.bssid) == 0)
+               return -EALREADY;
+       memset(&req, 0, sizeof(req));
+@@ -362,7 +363,7 @@ int __cfg80211_mlme_assoc(struct cfg8021
+       memset(&req, 0, sizeof(req));
+       if (wdev->current_bss && prev_bssid &&
+-          memcmp(wdev->current_bss->pub.bssid, prev_bssid, ETH_ALEN) == 0) {
++          compare_ether_addr(wdev->current_bss->pub.bssid, prev_bssid) == 0) {
+               /*
+                * Trying to reassociate: Allow this to proceed and let the old
+                * association to be dropped when the new one is completed.
+@@ -446,7 +447,8 @@ int __cfg80211_mlme_deauth(struct cfg802
+       if (local_state_change) {
+               if (wdev->current_bss &&
+-                  memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
++                  compare_ether_addr(wdev->current_bss->pub.bssid, bssid)
++                  == 0) {
+                       cfg80211_unhold_bss(wdev->current_bss);
+                       cfg80211_put_bss(&wdev->current_bss->pub);
+                       wdev->current_bss = NULL;
+@@ -495,7 +497,7 @@ static int __cfg80211_mlme_disassoc(stru
+       req.local_state_change = local_state_change;
+       req.ie = ie;
+       req.ie_len = ie_len;
+-      if (memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0)
++      if (compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0)
+               req.bss = &wdev->current_bss->pub;
+       else
+               return -ENOTCONN;
+@@ -758,8 +760,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
+                               break;
+                       }
+-                      if (memcmp(wdev->current_bss->pub.bssid,
+-                                 mgmt->bssid, ETH_ALEN)) {
++                      if (compare_ether_addr(wdev->current_bss->pub.bssid,
++                                             mgmt->bssid)) {
+                               err = -ENOTCONN;
+                               break;
+                       }
+@@ -772,8 +774,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
+                               break;
+                       /* for station, check that DA is the AP */
+-                      if (memcmp(wdev->current_bss->pub.bssid,
+-                                 mgmt->da, ETH_ALEN)) {
++                      if (compare_ether_addr(wdev->current_bss->pub.bssid,
++                                             mgmt->da)) {
+                               err = -ENOTCONN;
+                               break;
+                       }
+@@ -781,11 +783,11 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
+               case NL80211_IFTYPE_AP:
+               case NL80211_IFTYPE_P2P_GO:
+               case NL80211_IFTYPE_AP_VLAN:
+-                      if (memcmp(mgmt->bssid, dev->dev_addr, ETH_ALEN))
++                      if (compare_ether_addr(mgmt->bssid, dev->dev_addr))
+                               err = -EINVAL;
+                       break;
+               case NL80211_IFTYPE_MESH_POINT:
+-                      if (memcmp(mgmt->sa, mgmt->bssid, ETH_ALEN)) {
++                      if (compare_ether_addr(mgmt->sa, mgmt->bssid)) {
+                               err = -EINVAL;
+                               break;
+                       }
+@@ -804,7 +806,7 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
+                       return err;
        }
  
--      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
+-      if (memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0)
++      if (compare_ether_addr(mgmt->sa, dev->dev_addr) != 0)
+               return -EINVAL;
+       /* Transmit the Action frame as requested by user space */
+--- a/net/wireless/scan.c
++++ b/net/wireless/scan.c
+@@ -378,7 +378,7 @@ static int cmp_bss_core(struct cfg80211_
+                              b->len_information_elements);
        }
+-      return memcmp(a->bssid, b->bssid, ETH_ALEN);
++      return compare_ether_addr(a->bssid, b->bssid);
  }
  
--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 int cmp_bss(struct cfg80211_bss *a,
+--- a/drivers/net/wireless/ath/ath9k/Kconfig
++++ b/drivers/net/wireless/ath/ath9k/Kconfig
+@@ -81,6 +81,14 @@ config ATH9K_DFS_CERTIFIED
+         developed. At this point enabling this option won't do anything
+         except increase code size.
++config ATH9K_MAC_DEBUG
++      bool "Atheros MAC statistics"
++      depends on ATH9K_DEBUGFS
++      default y
++      ---help---
++        This option enables collection of statistics for Rx/Tx status
++        data and some other MAC related statistics
++
+ config ATH9K_RATE_CONTROL
+       bool "Atheros ath9k rate control"
+       depends on ATH9K
+--- a/drivers/net/wireless/ath/ath9k/debug.c
++++ b/drivers/net/wireless/ath/ath9k/debug.c
+@@ -818,6 +818,7 @@ void ath_debug_stat_tx(struct ath_softc 
+       if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
+               TX_STAT_INC(qnum, delim_underrun);
++#ifdef CONFIG_ATH9K_MAC_DEBUG
+       spin_lock(&sc->debug.samp_lock);
+       TX_SAMP_DBG(jiffies) = jiffies;
+       TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
+@@ -844,6 +845,7 @@ void ath_debug_stat_tx(struct ath_softc 
+       sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
+       spin_unlock(&sc->debug.samp_lock);
++#endif
+ #undef TX_SAMP_DBG
+ }
+@@ -942,27 +944,6 @@ static ssize_t read_file_recv(struct fil
+       PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
+       len += snprintf(buf + len, size - len,
+-                      "%22s : %10d\n", "RSSI-CTL0",
+-                      sc->debug.stats.rxstats.rs_rssi_ctl0);
+-      len += snprintf(buf + len, size - len,
+-                      "%22s : %10d\n", "RSSI-CTL1",
+-                      sc->debug.stats.rxstats.rs_rssi_ctl1);
+-      len += snprintf(buf + len, size - len,
+-                      "%22s : %10d\n", "RSSI-CTL2",
+-                      sc->debug.stats.rxstats.rs_rssi_ctl2);
+-      len += snprintf(buf + len, size - len,
+-                      "%22s : %10d\n", "RSSI-EXT0",
+-                      sc->debug.stats.rxstats.rs_rssi_ext0);
+-      len += snprintf(buf + len, size - len,
+-                      "%22s : %10d\n", "RSSI-EXT1",
+-                      sc->debug.stats.rxstats.rs_rssi_ext1);
+-      len += snprintf(buf + len, size - len,
+-                      "%22s : %10d\n", "RSSI-EXT2",
+-                      sc->debug.stats.rxstats.rs_rssi_ext2);
+-      len += snprintf(buf + len, size - len,
+-                      "%22s : %10d\n", "Rx Antenna",
+-                      sc->debug.stats.rxstats.rs_antenna);
+-      len += snprintf(buf + len, size - len,
+                       "%22s : %10u\n", "RX-Pkts-All",
+                       sc->debug.stats.rxstats.rx_pkts_all);
+       len += snprintf(buf + len, size - len,
+@@ -1009,16 +990,7 @@ void ath_debug_stat_rx(struct ath_softc 
+                       RX_PHY_ERR_INC(rs->rs_phyerr);
+       }
+-      sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
+-      sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
+-      sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
 -
--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;
--}
+-      sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
+-      sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
+-      sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
 -
- 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;
+-      sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
+-
++#ifdef CONFIG_ATH9K_MAC_DEBUG
+       spin_lock(&sc->debug.samp_lock);
+       RX_SAMP_DBG(jiffies) = jiffies;
+       RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
+@@ -1035,6 +1007,8 @@ void ath_debug_stat_rx(struct ath_softc 
+       sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
+       spin_unlock(&sc->debug.samp_lock);
  
--      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);
++#endif
 +
-+      REG_SET_BIT(ah, AR_PHY_CCK_DETECT,
-+                  AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV);
- }
+ #undef RX_STAT_INC
+ #undef RX_PHY_ERR_INC
+ #undef RX_SAMP_DBG
+@@ -1278,6 +1252,8 @@ static const struct file_operations fops
+       .llseek = default_llseek,
+ };
++#ifdef CONFIG_ATH9K_MAC_DEBUG
++
+ void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
+ {
+ #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
+@@ -1551,6 +1527,7 @@ static const struct file_operations fops
+       .llseek = default_llseek,
+ };
++#endif
+ int ath9k_init_debug(struct ath_hw *ah)
+ {
+@@ -1604,8 +1581,10 @@ int ath9k_init_debug(struct ath_hw *ah)
+                           &fops_base_eeprom);
+       debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
+                           &fops_modal_eeprom);
++#ifdef CONFIG_ATH9K_MAC_DEBUG
+       debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
+                           &fops_samps);
++#endif
+       debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
+                          sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
+--- a/drivers/net/wireless/ath/ath9k/debug.h
++++ b/drivers/net/wireless/ath/ath9k/debug.h
+@@ -165,13 +165,6 @@ struct ath_rx_stats {
+       u32 post_delim_crc_err;
+       u32 decrypt_busy_err;
+       u32 phy_err_stats[ATH9K_PHYERR_MAX];
+-      int8_t rs_rssi_ctl0;
+-      int8_t rs_rssi_ctl1;
+-      int8_t rs_rssi_ctl2;
+-      int8_t rs_rssi_ext0;
+-      int8_t rs_rssi_ext1;
+-      int8_t rs_rssi_ext2;
+-      u8 rs_antenna;
+ };
+ enum ath_reset_type {
+@@ -235,16 +228,17 @@ struct ath9k_debug {
+       struct dentry *debugfs_phy;
+       u32 regidx;
+       struct ath_stats stats;
++#ifdef CONFIG_ATH9K_MAC_DEBUG
+       spinlock_t samp_lock;
+       struct ath_dbg_bb_mac_samp bb_mac_samp[ATH_DBG_MAX_SAMPLES];
+       u8 sampidx;
+       u8 tsidx;
+       u8 rsidx;
++#endif
+ };
+ int ath9k_init_debug(struct ath_hw *ah);
  
- 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);
+-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,
+@@ -258,10 +252,6 @@ static inline int ath9k_init_debug(struc
+       return 0;
  }
  
--static void ar9003_hw_set_diversity(struct ath_hw *ah, bool value)
+-static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
 -{
--      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)
+ static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
+                                           enum ath9k_int status)
  {
-@@ -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;
+@@ -282,4 +272,17 @@ static inline void ath_debug_stat_rx(str
  
-       ENABLE_REGWRITE_BUFFER(ah);
+ #endif /* CONFIG_ATH9K_DEBUGFS */
  
-@@ -788,28 +779,6 @@ static void ath9k_hw_4k_set_txpower(stru
-       REGWRITE_BUFFER_FLUSH(ah);
- }
++#ifdef CONFIG_ATH9K_MAC_DEBUG
++
++void ath9k_debug_samp_bb_mac(struct ath_softc *sc);
++
++#else
++
++static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
++{
++}
++
++#endif
++
++
+ #endif /* DEBUG_H */
+--- a/drivers/net/wireless/ath/ath9k/init.c
++++ b/drivers/net/wireless/ath/ath9k/init.c
+@@ -555,9 +555,11 @@ static int ath9k_init_softc(u16 devid, s
+       mutex_init(&sc->mutex);
+ #ifdef CONFIG_ATH9K_DEBUGFS
+       spin_lock_init(&sc->nodes_lock);
+-      spin_lock_init(&sc->debug.samp_lock);
+       INIT_LIST_HEAD(&sc->nodes);
+ #endif
++#ifdef CONFIG_ATH9K_MAC_DEBUG
++      spin_lock_init(&sc->debug.samp_lock);
++#endif
+       tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
+       tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,
+                    (unsigned long)sc);
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1386,10 +1386,16 @@ static bool ath9k_hw_set_reset_reg(struc
+ static bool ath9k_hw_chip_reset(struct ath_hw *ah,
+                               struct ath9k_channel *chan)
+ {
+-      if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) {
+-              if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON))
+-                      return false;
+-      } else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
++      int reset_type = ATH9K_RESET_WARM;
++
++      if (AR_SREV_9280(ah)) {
++              if (ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
++                      reset_type = ATH9K_RESET_POWER_ON;
++              else
++                      reset_type = ATH9K_RESET_COLD;
++      }
++
++      if (!ath9k_hw_set_reset_reg(ah, reset_type))
+               return false;
  
--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;
+       if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
+--- a/drivers/net/wireless/ath/ath5k/base.c
++++ b/drivers/net/wireless/ath/ath5k/base.c
+@@ -2330,15 +2330,6 @@ ath5k_calibrate_work(struct work_struct 
+                                       "got new rfgain, resetting\n");
+                       ieee80211_queue_work(ah->hw, &ah->reset_work);
+               }
 -
--      pModal = &eep->modalHeader;
+-              /* TODO: On full calibration we should stop TX here,
+-               * so that it doesn't interfere (mostly due to gain_f
+-               * calibration that messes with tx packets -see phy.c).
+-               *
+-               * NOTE: Stopping the queues from above is not enough
+-               * to stop TX but saves us from disconecting (at least
+-               * we don't lose packets). */
+-              ieee80211_stop_queues(ah->hw);
+       } else
+               ah->ah_cal_mask |= AR5K_CALIBRATION_SHORT;
+@@ -2353,10 +2344,9 @@ ath5k_calibrate_work(struct work_struct 
+                               ah->curchan->center_freq));
+       /* Clear calibration flags */
+-      if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) {
+-              ieee80211_wake_queues(ah->hw);
++      if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL)
+               ah->ah_cal_mask &= ~AR5K_CALIBRATION_FULL;
+-      } else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT)
++      else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT)
+               ah->ah_cal_mask &= ~AR5K_CALIBRATION_SHORT;
+ }
+--- a/drivers/net/wireless/ath/ath5k/phy.c
++++ b/drivers/net/wireless/ath/ath5k/phy.c
+@@ -1871,31 +1871,15 @@ ath5k_hw_phy_calibrate(struct ath5k_hw *
+               ret = 0;
+       }
+-      /* On full calibration do an AGC calibration and
+-       * request a PAPD probe for gainf calibration if
+-       * needed */
+-      if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) {
++      /* On full calibration request a PAPD probe for
++       * gainf calibration if needed */
++      if ((ah->ah_cal_mask & AR5K_CALIBRATION_FULL) &&
++          (ah->ah_radio == AR5K_RF5111 ||
++           ah->ah_radio == AR5K_RF5112) &&
++          channel->hw_value != AR5K_MODE_11B)
++              ath5k_hw_request_rfgain_probe(ah);
+-              AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL,
+-                                      AR5K_PHY_AGCCTL_CAL);
+-
+-              ret = ath5k_hw_register_timeout(ah, AR5K_PHY_AGCCTL,
+-                      AR5K_PHY_AGCCTL_CAL | AR5K_PHY_AGCCTL_NF,
+-                      0, false);
+-              if (ret) {
+-                      ATH5K_ERR(ah,
+-                              "gain calibration timeout (%uMHz)\n",
+-                              channel->center_freq);
+-              }
 -
--      if (pModal->xpaBiasLvl != 0xff) {
--              biaslevel = pModal->xpaBiasLvl;
--              INI_RA(&ah->iniAddac, 7, 1) =
--                (INI_RA(&ah->iniAddac, 7, 1) & (~0x18)) | biaslevel << 3;
+-              if ((ah->ah_radio == AR5K_RF5111 ||
+-                      ah->ah_radio == AR5K_RF5112)
+-                      && (channel->hw_value != AR5K_MODE_11B))
+-                      ath5k_hw_request_rfgain_probe(ah);
 -      }
--}
 -
- 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);
+-      /* Update noise floor
+-       * XXX: Only do this after AGC calibration */
++      /* Update noise floor */
+       if (!(ah->ah_cal_mask & AR5K_CALIBRATION_NF))
+               ath5k_hw_update_noise_floor(ah);
+--- a/drivers/net/wireless/ath/ath9k/recv.c
++++ b/drivers/net/wireless/ath/ath9k/recv.c
+@@ -232,7 +232,6 @@ static void ath_rx_edma_cleanup(struct a
+ static void ath_rx_edma_init_queue(struct ath_rx_edma *rx_edma, int size)
+ {
+       skb_queue_head_init(&rx_edma->rx_fifo);
+-      skb_queue_head_init(&rx_edma->rx_buffers);
+       rx_edma->rx_fifo_hwsize = size;
+ }
+@@ -658,7 +657,9 @@ static void ath_rx_ps(struct ath_softc *
+ }
+ static bool ath_edma_get_buffers(struct ath_softc *sc,
+-                               enum ath9k_rx_qtype qtype)
++                               enum ath9k_rx_qtype qtype,
++                               struct ath_rx_status *rs,
++                               struct ath_buf **dest)
+ {
+       struct ath_rx_edma *rx_edma = &sc->rx.rx_edma[qtype];
+       struct ath_hw *ah = sc->sc_ah;
+@@ -677,7 +678,7 @@ static bool ath_edma_get_buffers(struct 
+       dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr,
+                               common->rx_bufsize, DMA_FROM_DEVICE);
+-      ret = ath9k_hw_process_rxdesc_edma(ah, NULL, skb->data);
++      ret = ath9k_hw_process_rxdesc_edma(ah, rs, skb->data);
+       if (ret == -EINPROGRESS) {
+               /*let device gain the buffer again*/
+               dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
+@@ -690,20 +691,21 @@ static bool ath_edma_get_buffers(struct 
+               /* corrupt descriptor, skip this one and the following one */
+               list_add_tail(&bf->list, &sc->rx.rxbuf);
+               ath_rx_edma_buf_link(sc, qtype);
+-              skb = skb_peek(&rx_edma->rx_fifo);
+-              if (!skb)
+-                      return true;
+-              bf = SKB_CB_ATHBUF(skb);
+-              BUG_ON(!bf);
++              skb = skb_peek(&rx_edma->rx_fifo);
++              if (skb) {
++                      bf = SKB_CB_ATHBUF(skb);
++                      BUG_ON(!bf);
+-              __skb_unlink(skb, &rx_edma->rx_fifo);
+-              list_add_tail(&bf->list, &sc->rx.rxbuf);
+-              ath_rx_edma_buf_link(sc, qtype);
+-              return true;
++                      __skb_unlink(skb, &rx_edma->rx_fifo);
++                      list_add_tail(&bf->list, &sc->rx.rxbuf);
++                      ath_rx_edma_buf_link(sc, qtype);
++              } else {
++                      bf = NULL;
++              }
        }
--      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);
+-      skb_queue_tail(&rx_edma->rx_buffers, skb);
++      *dest = bf;
+       return true;
+ }
+@@ -711,18 +713,15 @@ static struct ath_buf *ath_edma_get_next
+                                               struct ath_rx_status *rs,
+                                               enum ath9k_rx_qtype qtype)
+ {
+-      struct ath_rx_edma *rx_edma = &sc->rx.rx_edma[qtype];
+-      struct sk_buff *skb;
+-      struct ath_buf *bf;
++      struct ath_buf *bf = NULL;
+-      while (ath_edma_get_buffers(sc, qtype));
+-      skb = __skb_dequeue(&rx_edma->rx_buffers);
+-      if (!skb)
+-              return NULL;
++      while (ath_edma_get_buffers(sc, qtype, rs, &bf)) {
++              if (!bf)
++                      continue;
+-      bf = SKB_CB_ATHBUF(skb);
+-      ath9k_hw_process_rxdesc_edma(sc->sc_ah, rs, skb->data);
+-      return bf;
++              return bf;
++      }
++      return NULL;
+ }
+ static struct ath_buf *ath_get_next_rx_buf(struct ath_softc *sc,
+@@ -954,6 +953,7 @@ static void ath9k_process_rssi(struct at
+       struct ath_softc *sc = hw->priv;
+       struct ath_hw *ah = common->ah;
+       int last_rssi;
++      int rssi = rx_stats->rs_rssi;
+       if (!rx_stats->is_mybeacon ||
+           ((ah->opmode != NL80211_IFTYPE_STATION) &&
+@@ -965,13 +965,12 @@ static void ath9k_process_rssi(struct at
+       last_rssi = sc->last_rssi;
+       if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
+-              rx_stats->rs_rssi = ATH_EP_RND(last_rssi,
+-                                            ATH_RSSI_EP_MULTIPLIER);
+-      if (rx_stats->rs_rssi < 0)
+-              rx_stats->rs_rssi = 0;
++              rssi = ATH_EP_RND(last_rssi, ATH_RSSI_EP_MULTIPLIER);
++      if (rssi < 0)
++              rssi = 0;
+       /* Update Beacon RSSI, this is used by ANI. */
+-      ah->stats.avgbrssi = rx_stats->rs_rssi;
++      ah->stats.avgbrssi = rssi;
+ }
+ /*
+@@ -988,8 +987,6 @@ static int ath9k_rx_skb_preprocess(struc
+ {
+       struct ath_hw *ah = common->ah;
+-      memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
 -
--                      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);
--              }
+       /*
+        * everything but the rate is checked here, the rate check is done
+        * separately to avoid doing two lookups for a rate for each frame.
+@@ -1011,6 +1008,8 @@ static int ath9k_rx_skb_preprocess(struc
+       rx_status->signal = ah->noise + rx_stats->rs_rssi;
+       rx_status->antenna = rx_stats->rs_antenna;
+       rx_status->flag |= RX_FLAG_MACTIME_MPDU;
++      if (rx_stats->rs_moreaggr)
++              rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
+       return 0;
+ }
+@@ -1845,6 +1844,8 @@ int ath_rx_tasklet(struct ath_softc *sc,
+               if (sc->sc_flags & SC_OP_RXFLUSH)
+                       goto requeue_drop_frag;
++              memset(rxs, 0, sizeof(struct ieee80211_rx_status));
 +
-+      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;
+               rxs->mactime = (tsf & ~0xffffffffULL) | rs.rs_tstamp;
+               if (rs.rs_tstamp > tsf_lower &&
+                   unlikely(rs.rs_tstamp - tsf_lower > 0x10000000))
+--- a/drivers/net/wireless/ath/ath9k/beacon.c
++++ b/drivers/net/wireless/ath/ath9k/beacon.c
+@@ -91,7 +91,7 @@ static void ath_beacon_setup(struct ath_
+       info.txpower = MAX_RATE_POWER;
+       info.keyix = ATH9K_TXKEYIX_INVALID;
+       info.keytype = ATH9K_KEY_TYPE_CLEAR;
+-      info.flags = ATH9K_TXDESC_NOACK;
++      info.flags = ATH9K_TXDESC_NOACK | ATH9K_TXDESC_INTREQ;
+       info.buf_addr[0] = bf->bf_buf_addr;
+       info.buf_len[0] = roundup(skb->len, 4);
+@@ -355,7 +355,6 @@ void ath_beacon_tasklet(unsigned long da
+       struct ath_common *common = ath9k_hw_common(ah);
+       struct ath_buf *bf = NULL;
+       struct ieee80211_vif *vif;
+-      struct ath_tx_status ts;
+       bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
+       int slot;
+       u32 bfaddr, bc = 0;
+@@ -462,11 +461,6 @@ void ath_beacon_tasklet(unsigned long da
+                       ath9k_hw_txstart(ah, sc->beacon.beaconq);
+               sc->beacon.ast_be_xmit += bc;     /* XXX per-vif? */
+-              if (edma) {
+-                      spin_lock_bh(&sc->sc_pcu_lock);
+-                      ath9k_hw_txprocdesc(ah, bf->bf_desc, (void *)&ts);
+-                      spin_unlock_bh(&sc->sc_pcu_lock);
+-              }
+       }
+ }
+--- a/drivers/net/wireless/ath/ath9k/mac.c
++++ b/drivers/net/wireless/ath/ath9k/mac.c
+@@ -745,7 +745,11 @@ int ath9k_hw_beaconq_setup(struct ath_hw
+       qi.tqi_aifs = 1;
+       qi.tqi_cwmin = 0;
+       qi.tqi_cwmax = 0;
+-      /* NB: don't enable any interrupts */
 +
-+              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);
++      if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
++              qi.tqi_qflags = TXQ_FLAG_TXOKINT_ENABLE |
++                              TXQ_FLAG_TXERRINT_ENABLE;
 +
-+              mask = BIT(0)|BIT(5)|BIT(15);
-+              pwrctrl = mask * bb_desired_scale;
-+              clr = mask * 0x1f;
-+              REG_RMW(ah, AR_PHY_TX_PWRCTRL9, pwrctrl, clr);
+       return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi);
+ }
+ EXPORT_SYMBOL(ath9k_hw_beaconq_setup);
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -118,13 +118,15 @@ void ath9k_ps_restore(struct ath_softc *
+       if (--sc->ps_usecount != 0)
+               goto unlock;
+-      if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK))
++      if (sc->ps_flags & PS_WAIT_FOR_TX_ACK)
++              goto unlock;
 +
-+              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);
++      if (sc->ps_idle)
+               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)))
++                            PS_WAIT_FOR_PSPOLL_DATA)))
+               mode = ATH9K_PM_NETWORK_SLEEP;
+       else
+               goto unlock;
+@@ -1955,6 +1957,7 @@ static void ath9k_config_bss(struct ath_
+               sc->sc_flags &= ~SC_OP_ANI_RUN;
+               del_timer_sync(&common->ani.timer);
+               memset(&sc->caldata, 0, sizeof(sc->caldata));
++              ath9k_hw_ani_init(sc->sc_ah);
        }
  }
  
-@@ -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;
+@@ -2300,6 +2303,7 @@ static int ath9k_tx_last_beacon(struct i
+       struct ath_vif *avp;
+       struct ath_buf *bf;
+       struct ath_tx_status ts;
++      bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
+       int status;
  
-       ENABLE_REGWRITE_BUFFER(ah);
+       vif = sc->beacon.bslot[0];
+@@ -2310,7 +2314,7 @@ static int ath9k_tx_last_beacon(struct i
+       if (!avp->is_bslot_active)
+               return 0;
  
-@@ -944,11 +942,6 @@ static void ath9k_hw_ar9287_set_txpower(
-       REGWRITE_BUFFER_FLUSH(ah);
- }
+-      if (!sc->beacon.tx_processed) {
++      if (!sc->beacon.tx_processed && !edma) {
+               tasklet_disable(&sc->bcon_tasklet);
  
--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;
+               bf = avp->av_bcbuf;
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -2296,9 +2296,12 @@ void ath_tx_edma_tasklet(struct ath_soft
+                       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));
-                       }
+-              /* Skip beacon completions */
+-              if (ts.qid == sc->beacon.beaconq)
++              /* Process beacon completions separately */
++              if (ts.qid == sc->beacon.beaconq) {
++                      sc->beacon.tx_processed = true;
++                      sc->beacon.tx_last = !(ts.ts_status & ATH9K_TXERR_MASK);
+                       continue;
++              }
  
--
-                       ath9k_adjust_pdadc_values(ah, pwr_table_offset,
-                                                 diff, pdadcValues);
+               txq = &sc->tx.txq[ts.qid];
  
---- 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;
-       }
+--- a/drivers/net/wireless/ath/ath9k/ath9k.h
++++ b/drivers/net/wireless/ath/ath9k/ath9k.h
+@@ -299,7 +299,6 @@ struct ath_tx {
  
--      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,
+ struct ath_rx_edma {
+       struct sk_buff_head rx_fifo;
+-      struct sk_buff_head rx_buffers;
+       u32 rx_fifo_hwsize;
  };
  
- #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();
+--- a/drivers/net/wireless/ath/ath9k/ani.c
++++ b/drivers/net/wireless/ath/ath9k/ani.c
+@@ -46,8 +46,8 @@ static const struct ani_ofdm_level_entry
+       {  5,  4,  1  }, /* lvl 5 */
+       {  6,  5,  1  }, /* lvl 6 */
+       {  7,  6,  1  }, /* lvl 7 */
+-      {  7,  7,  1  }, /* lvl 8 */
+-      {  7,  8,  0  }  /* lvl 9 */
++      {  7,  6,  0  }, /* lvl 8 */
++      {  7,  7,  0  }  /* lvl 9 */
+ };
+ #define ATH9K_ANI_OFDM_NUM_LEVEL \
+       ARRAY_SIZE(ofdm_level_table)
+@@ -91,8 +91,8 @@ static const struct ani_cck_level_entry 
+       {  4,  0  }, /* lvl 4 */
+       {  5,  0  }, /* lvl 5 */
+       {  6,  0  }, /* lvl 6 */
+-      {  7,  0  }, /* lvl 7 (only for high rssi) */
+-      {  8,  0  }  /* lvl 8 (only for high rssi) */
++      {  6,  0  }, /* lvl 7 (only for high rssi) */
++      {  7,  0  }  /* lvl 8 (only for high rssi) */
+ };
  
+ #define ATH9K_ANI_CCK_NUM_LEVEL \
+@@ -290,16 +290,9 @@ static void ath9k_hw_set_ofdm_nil(struct
+                                    ATH9K_ANI_FIRSTEP_LEVEL,
+                                    entry_ofdm->fir_step_level);
+-      if ((ah->opmode != NL80211_IFTYPE_STATION &&
+-           ah->opmode != NL80211_IFTYPE_ADHOC) ||
+-          aniState->noiseFloor <= aniState->rssiThrHigh) {
+-              if (aniState->ofdmWeakSigDetectOff)
+-                      /* force on ofdm weak sig detect */
+-                      ath9k_hw_ani_control(ah,
+-                              ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+-                                           true);
+-              else if (aniState->ofdmWeakSigDetectOff ==
+-                       entry_ofdm->ofdm_weak_signal_on)
++      if ((aniState->noiseFloor >= aniState->rssiThrHigh) &&
++          (aniState->ofdmWeakSigDetectOff !=
++           entry_ofdm->ofdm_weak_signal_on)) {
+                       ath9k_hw_ani_control(ah,
+                               ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+                               entry_ofdm->ofdm_weak_signal_on);
+@@ -717,26 +710,30 @@ void ath9k_hw_ani_monitor(struct ath_hw 
+               ofdmPhyErrRate, aniState->cckNoiseImmunityLevel,
+               cckPhyErrRate, aniState->ofdmsTurn);
+-      if (aniState->listenTime > 5 * ah->aniperiod) {
+-              if (ofdmPhyErrRate <= ah->config.ofdm_trig_low &&
+-                  cckPhyErrRate <= ah->config.cck_trig_low) {
++      if (aniState->listenTime > ah->aniperiod) {
++              if (cckPhyErrRate < ah->config.cck_trig_low &&
++                  ((ofdmPhyErrRate < ah->config.ofdm_trig_low &&
++                    aniState->ofdmNoiseImmunityLevel <
++                    ATH9K_ANI_OFDM_DEF_LEVEL) ||
++                   (ofdmPhyErrRate < ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI &&
++                    aniState->ofdmNoiseImmunityLevel >=
++                    ATH9K_ANI_OFDM_DEF_LEVEL))) {
+                       ath9k_hw_ani_lower_immunity(ah);
+                       aniState->ofdmsTurn = !aniState->ofdmsTurn;
+-              }
+-              ath9k_ani_restart(ah);
+-      } else if (aniState->listenTime > ah->aniperiod) {
+-              /* check to see if need to raise immunity */
+-              if (ofdmPhyErrRate > ah->config.ofdm_trig_high &&
+-                  (cckPhyErrRate <= ah->config.cck_trig_high ||
+-                   aniState->ofdmsTurn)) {
++              } else if ((ofdmPhyErrRate > ah->config.ofdm_trig_high &&
++                          aniState->ofdmNoiseImmunityLevel >=
++                          ATH9K_ANI_OFDM_DEF_LEVEL) ||
++                         (ofdmPhyErrRate >
++                          ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI &&
++                          aniState->ofdmNoiseImmunityLevel <
++                          ATH9K_ANI_OFDM_DEF_LEVEL)) {
+                       ath9k_hw_ani_ofdm_err_trigger(ah);
+-                      ath9k_ani_restart(ah);
+                       aniState->ofdmsTurn = false;
+               } else if (cckPhyErrRate > ah->config.cck_trig_high) {
+                       ath9k_hw_ani_cck_err_trigger(ah);
+-                      ath9k_ani_restart(ah);
+                       aniState->ofdmsTurn = true;
+               }
++              ath9k_ani_restart(ah);
+       }
+ }
+ EXPORT_SYMBOL(ath9k_hw_ani_monitor);
+@@ -911,3 +908,4 @@ void ath9k_hw_ani_init(struct ath_hw *ah
+       ath9k_ani_restart(ah);
+       ath9k_enable_mib_counters(ah);
+ }
++EXPORT_SYMBOL(ath9k_hw_ani_init);
+--- a/drivers/net/wireless/ath/ath9k/ani.h
++++ b/drivers/net/wireless/ath/ath9k/ani.h
+@@ -25,11 +25,13 @@
+ /* units are errors per second */
+ #define ATH9K_ANI_OFDM_TRIG_HIGH_OLD      500
+-#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW      1000
++#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW      3500
++#define ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI 1000
+ /* units are errors per second */
+ #define ATH9K_ANI_OFDM_TRIG_LOW_OLD       200
+ #define ATH9K_ANI_OFDM_TRIG_LOW_NEW       400
++#define ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI 900
+ /* units are errors per second */
+ #define ATH9K_ANI_CCK_TRIG_HIGH_OLD       200
+@@ -53,7 +55,7 @@
+ #define ATH9K_ANI_RSSI_THR_LOW            7
+ #define ATH9K_ANI_PERIOD_OLD              100
+-#define ATH9K_ANI_PERIOD_NEW              1000
++#define ATH9K_ANI_PERIOD_NEW              300
+ /* in ms */
+ #define ATH9K_ANI_POLLINTERVAL_OLD        100
+--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+@@ -1056,46 +1056,8 @@ static bool ar5008_hw_ani_control_old(st
+               break;
+       }
+       case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
+-              static const int m1ThreshLow[] = { 127, 50 };
+-              static const int m2ThreshLow[] = { 127, 40 };
+-              static const int m1Thresh[] = { 127, 0x4d };
+-              static const int m2Thresh[] = { 127, 0x40 };
+-              static const int m2CountThr[] = { 31, 16 };
+-              static const int m2CountThrLow[] = { 63, 48 };
+               u32 on = param ? 1 : 0;
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
+-                            AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
+-                            m1ThreshLow[on]);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
+-                            AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
+-                            m2ThreshLow[on]);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
+-                            AR_PHY_SFCORR_M1_THRESH,
+-                            m1Thresh[on]);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
+-                            AR_PHY_SFCORR_M2_THRESH,
+-                            m2Thresh[on]);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
+-                            AR_PHY_SFCORR_M2COUNT_THR,
+-                            m2CountThr[on]);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
+-                            AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
+-                            m2CountThrLow[on]);
+-
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+-                            AR_PHY_SFCORR_EXT_M1_THRESH_LOW,
+-                            m1ThreshLow[on]);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+-                            AR_PHY_SFCORR_EXT_M2_THRESH_LOW,
+-                            m2ThreshLow[on]);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+-                            AR_PHY_SFCORR_EXT_M1_THRESH,
+-                            m1Thresh[on]);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+-                            AR_PHY_SFCORR_EXT_M2_THRESH,
+-                            m2Thresh[on]);
+-
+               if (on)
+                       REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
+                                   AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+@@ -824,55 +824,6 @@ static bool ar9003_hw_ani_control(struct
+                * on == 0 means more noise imm
+                */
+               u32 on = param ? 1 : 0;
 -              /*
--               * 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.
+-               * make register setting for default
+-               * (weak sig detect ON) come from INI file
 -               */
--              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);
-       }
+-              int m1ThreshLow = on ?
+-                      aniState->iniDef.m1ThreshLow : m1ThreshLow_off;
+-              int m2ThreshLow = on ?
+-                      aniState->iniDef.m2ThreshLow : m2ThreshLow_off;
+-              int m1Thresh = on ?
+-                      aniState->iniDef.m1Thresh : m1Thresh_off;
+-              int m2Thresh = on ?
+-                      aniState->iniDef.m2Thresh : m2Thresh_off;
+-              int m2CountThr = on ?
+-                      aniState->iniDef.m2CountThr : m2CountThr_off;
+-              int m2CountThrLow = on ?
+-                      aniState->iniDef.m2CountThrLow : m2CountThrLow_off;
+-              int m1ThreshLowExt = on ?
+-                      aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off;
+-              int m2ThreshLowExt = on ?
+-                      aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off;
+-              int m1ThreshExt = on ?
+-                      aniState->iniDef.m1ThreshExt : m1ThreshExt_off;
+-              int m2ThreshExt = on ?
+-                      aniState->iniDef.m2ThreshExt : m2ThreshExt_off;
+-
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
+-                            AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
+-                            m1ThreshLow);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
+-                            AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
+-                            m2ThreshLow);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
+-                            AR_PHY_SFCORR_M1_THRESH, m1Thresh);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
+-                            AR_PHY_SFCORR_M2_THRESH, m2Thresh);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR,
+-                            AR_PHY_SFCORR_M2COUNT_THR, m2CountThr);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
+-                            AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
+-                            m2CountThrLow);
+-
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+-                            AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+-                            AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+-                            AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt);
+-              REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+-                            AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt);
+               if (on)
+                       REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
+--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
++++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
+@@ -430,10 +430,14 @@ void rt2x00lib_txdone(struct queue_entry
+       /*
+        * If the data queue was below the threshold before the txdone
+        * handler we must make sure the packet queue in the mac80211 stack
+-       * is reenabled when the txdone handler has finished.
++       * is reenabled when the txdone handler has finished. This has to be
++       * serialized with rt2x00mac_tx(), otherwise we can wake up queue
++       * before it was stopped.
+        */
++      spin_lock_bh(&entry->queue->tx_lock);
+       if (!rt2x00queue_threshold(entry->queue))
+               rt2x00queue_unpause_queue(entry->queue);
++      spin_unlock_bh(&entry->queue->tx_lock);
+ }
+ EXPORT_SYMBOL_GPL(rt2x00lib_txdone);
+--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
++++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
+@@ -152,13 +152,22 @@ void rt2x00mac_tx(struct ieee80211_hw *h
+       if (unlikely(rt2x00queue_write_tx_frame(queue, skb, false)))
+               goto exit_fail;
++      /*
++       * Pausing queue has to be serialized with rt2x00lib_txdone(). Note
++       * we should not use spin_lock_bh variant as bottom halve was already
++       * disabled before ieee80211_xmit() call.
++       */
++      spin_lock(&queue->tx_lock);
+       if (rt2x00queue_threshold(queue))
+               rt2x00queue_pause_queue(queue);
++      spin_unlock(&queue->tx_lock);
+       return;
+  exit_fail:
++      spin_lock(&queue->tx_lock);
+       rt2x00queue_pause_queue(queue);
++      spin_unlock(&queue->tx_lock);
+  exit_free_skb:
+       ieee80211_free_txskb(hw, skb);
+ }
+--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
++++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
+@@ -619,6 +619,9 @@ int rt2x00queue_write_tx_frame(struct da
+       else if (test_bit(REQUIRE_DMA, &queue->rt2x00dev->cap_flags))
+               rt2x00queue_align_frame(skb);
++      /*
++       * That function must be called with bh disabled.
++       */
+       spin_lock(&queue->tx_lock);
  
-       /* Note: country IE parsing is done for us by cfg80211 */
+       if (unlikely(rt2x00queue_full(queue))) {
This page took 0.118438 seconds and 4 git commands to generate.