---- a/drivers/net/wireless/ath/ath9k/hw.h
-+++ b/drivers/net/wireless/ath/ath9k/hw.h
-@@ -603,7 +603,6 @@ struct ath_hw_ops {
- int power_off);
- void (*rx_enable)(struct ath_hw *ah);
- void (*set_desc_link)(void *ds, u32 link);
-- void (*get_desc_link)(void *ds, u32 **link);
- bool (*calibrate)(struct ath_hw *ah,
- struct ath9k_channel *chan,
- u8 rxchainmask,
---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -62,8 +62,6 @@ static bool ath9k_has_pending_frames(str
-
- if (txq->axq_depth || !list_empty(&txq->axq_acq))
- pending = true;
-- else if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
-- pending = !list_empty(&txq->txq_fifo_pending);
-
- spin_unlock_bh(&txq->axq_lock);
- return pending;
--- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
-@@ -28,11 +28,6 @@ static void ar9002_hw_set_desc_link(void
- ((struct ath_desc*) ds)->ds_link = ds_link;
+@@ -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_get_desc_link(void *ds, u32 **ds_link)
+-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)
-{
-- *ds_link = &((struct ath_desc *)ds)->ds_link;
+- 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 bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
+-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)
{
- u32 isr = 0;
-@@ -437,7 +432,6 @@ void ar9002_hw_attach_mac_ops(struct ath
-
+@@ -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_desc_link = ar9002_hw_get_desc_link;
ops->get_isr = ar9002_hw_get_isr;
- ops->fill_txdesc = ar9002_hw_fill_txdesc;
+- 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
-@@ -43,13 +43,6 @@ static void ar9003_hw_set_desc_link(void
- ads->ctl10 |= ar9003_calc_ptr_chksum(ads);
+@@ -21,6 +21,132 @@ static void ar9003_hw_rx_enable(struct a
+ REG_WRITE(hw, AR_CR, 0);
}
--static void ar9003_hw_get_desc_link(void *ds, u32 **ds_link)
++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 = ds;
+- 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;
-
-- *ds_link = &ads->link;
+- 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 bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
+ static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
+ struct ath_tx_status *ts)
{
- u32 isr = 0;
-@@ -498,7 +491,6 @@ void ar9003_hw_attach_mac_ops(struct ath
+@@ -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_desc_link = ar9003_hw_get_desc_link;
ops->get_isr = ar9003_hw_get_isr;
- ops->fill_txdesc = ar9003_hw_fill_txdesc;
+- 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
-@@ -179,7 +179,7 @@ enum ATH_AGGR_STATUS {
- struct ath_txq {
- int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */
- u32 axq_qnum; /* ath9k hardware queue number */
-- u32 *axq_link;
-+ void *axq_link;
- struct list_head axq_q;
- spinlock_t axq_lock;
- u32 axq_depth;
-@@ -188,7 +188,6 @@ struct ath_txq {
- bool axq_tx_inprogress;
- struct list_head axq_acq;
- struct list_head txq_fifo[ATH_TXFIFO_DEPTH];
-- struct list_head txq_fifo_pending;
- u8 txq_headidx;
- u8 txq_tailidx;
- int pending_frames;
+@@ -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
-@@ -550,6 +550,7 @@ static ssize_t read_file_xmit(struct fil
-
- PR("MPDUs Queued: ", queued);
- PR("MPDUs Completed: ", completed);
-+ PR("MPDUs XRetried: ", xretries);
- PR("Aggregates: ", a_aggr);
- PR("AMPDUs Queued HW:", a_queued_hw);
- PR("AMPDUs Queued SW:", a_queued_sw);
-@@ -587,7 +588,6 @@ static ssize_t read_file_xmit(struct fil
-
- PRQLE("axq_q empty: ", axq_q);
- PRQLE("axq_acq empty: ", axq_acq);
-- PRQLE("txq_fifo_pending: ", txq_fifo_pending);
- for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
- snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
- PRQLE(tmp, txq_fifo[i]);
-@@ -807,7 +807,10 @@ void ath_debug_stat_tx(struct ath_softc
+@@ -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 {
-- TX_STAT_INC(qnum, completed);
-+ if (bf_isxretried(bf))
-+ TX_STAT_INC(qnum, xretries);
-+ else
-+ TX_STAT_INC(qnum, completed);
- }
+- 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)
+ {
+ }
- if (ts->ts_status & ATH9K_TXERR_FIFO)
--- a/drivers/net/wireless/ath/ath9k/hw-ops.h
+++ b/drivers/net/wireless/ath/ath9k/hw-ops.h
-@@ -39,11 +39,6 @@ static inline void ath9k_hw_set_desc_lin
- ath9k_hw_ops(ah)->set_desc_link(ds, link);
+@@ -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);
--static inline void ath9k_hw_get_desc_link(struct ath_hw *ah, void *ds,
-- u32 **link)
+-void ath9k_hw_cleartxdesc(struct ath_hw *ah, void *ds)
-{
-- ath9k_hw_ops(ah)->get_desc_link(ds, link);
+- 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;
-}
- static inline bool ath9k_hw_calibrate(struct ath_hw *ah,
- struct ath9k_channel *chan,
- u8 rxchainmask,
+-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
-@@ -53,7 +53,7 @@ static void ath_tx_complete_buf(struct a
- struct ath_txq *txq, struct list_head *bf_q,
+@@ -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);
-+ struct list_head *head, bool internal);
- static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len);
+ 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,
-@@ -377,8 +377,7 @@ static void ath_tx_complete_aggr(struct
+- 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 ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) ||
-- !bf->bf_stale || bf_next != NULL)
-+ if (!bf->bf_stale || bf_next != NULL)
+- 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);
-@@ -463,20 +462,14 @@ static void ath_tx_complete_aggr(struct
+- 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_
}
-- if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) &&
-- bf_next == NULL) {
-- /*
-- * Make sure the last desc is reclaimed if it
-- * not a holding desc.
-- */
-- if (!bf_last->bf_stale)
-- list_move_tail(&bf->list, &bf_head);
-- else
-- INIT_LIST_HEAD(&bf_head);
-- } else {
-- BUG_ON(list_empty(bf_q));
-+ /*
-+ * Make sure the last desc is reclaimed if it
-+ * not a holding desc.
-+ */
-+ if (!bf_last->bf_stale || bf_next != NULL)
- list_move_tail(&bf->list, &bf_head);
+ 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
-+ INIT_LIST_HEAD(&bf_head);
++ info.link = 0;
++
++ if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
++ hdr = (struct ieee80211_hdr *)skb->data;
++ padpos = ath9k_cmn_padpos(hdr->frame_control);
++ padsize = padpos & 3;
++
++ info.buf_addr[0] = bf->bf_buf_addr;
++ info.buf_len[0] = padpos + padsize;
++ info.buf_addr[1] = info.buf_addr[0] + padpos;
++ info.buf_len[1] = skb->len - padpos;
++ } else {
++ info.buf_addr[0] = bf->bf_buf_addr;
++ info.buf_len[0] = skb->len;
++ }
++
++ info.pkt_len = fi->framelen;
++ info.keyix = fi->keyix;
++ info.keytype = fi->keytype;
++
++ if (aggr) {
++ if (bf == bf_first)
++ info.aggr = AGGR_BUF_FIRST;
++ else if (!bf->bf_next)
++ info.aggr = AGGR_BUF_LAST;
++ else
++ info.aggr = AGGR_BUF_MIDDLE;
++
++ info.ndelim = bf->bf_state.ndelim;
++ info.aggr_len = len;
++ }
++
++ ath9k_hw_set_txdesc(ah, bf->bf_desc, &info);
++ bf = bf->bf_next;
++ }
++}
++
+ static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
+ struct ath_atx_tid *tid)
+ {
+ struct ath_buf *bf;
+ enum ATH_AGGR_STATUS status;
+- struct ath_frame_info *fi;
++ struct ieee80211_tx_info *tx_info;
+ struct list_head bf_q;
+ int aggr_len;
+
+@@ -878,34 +1090,25 @@ static void ath_tx_sched_aggr(struct ath
+
+ bf = list_first_entry(&bf_q, struct ath_buf, list);
+ bf->bf_lastbf = list_entry(bf_q.prev, struct ath_buf, list);
++ tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
+
+ if (tid->ac->clear_ps_filter) {
+ tid->ac->clear_ps_filter = false;
+- ath9k_hw_set_clrdmask(sc->sc_ah, bf->bf_desc, true);
++ tx_info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
++ } else {
++ tx_info->flags &= ~IEEE80211_TX_CTL_CLEAR_PS_FILT;
+ }
- if (!txpending || (tid->state & AGGR_CLEANUP)) {
- /*
-@@ -837,7 +830,7 @@ static void ath_tx_sched_aggr(struct ath
- 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);
-+ ath_tx_txqaddbuf(sc, txq, &bf_q, false);
- continue;
+ /* 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);
}
-@@ -849,7 +842,7 @@ static void ath_tx_sched_aggr(struct ath
- /* anchor last desc of aggregate */
- ath9k_hw_set11n_aggr_last(sc->sc_ah, bf->bf_lastbf->bf_desc);
+- /* 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;
-- ath_tx_txqaddbuf(sc, txq, &bf_q);
-+ ath_tx_txqaddbuf(sc, txq, &bf_q, false);
- TX_STAT_INC(txq->axq_qnum, a_aggr);
+- 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);
- } while (txq->axq_ampdu_depth < ATH_AGGR_MIN_QDEPTH &&
-@@ -1085,7 +1078,6 @@ struct ath_txq *ath_txq_setup(struct ath
- txq->txq_headidx = txq->txq_tailidx = 0;
- for (i = 0; i < ATH_TXFIFO_DEPTH; i++)
- INIT_LIST_HEAD(&txq->txq_fifo[i]);
-- INIT_LIST_HEAD(&txq->txq_fifo_pending);
- }
- return &sc->tx.txq[axq_qnum];
+@@ -1493,7 +1696,7 @@ static void ath_tx_send_ampdu(struct ath
+ /* Queue to h/w without aggregation */
+ TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw);
+ bf->bf_lastbf = bf;
+- ath_buf_set_rate(sc, bf, fi->framelen);
++ ath_tx_fill_desc(sc, bf, txctl->txq, fi->framelen);
+ ath_tx_txqaddbuf(sc, txctl->txq, &bf_head, false);
+ }
+
+@@ -1513,41 +1716,18 @@ static void ath_tx_send_normal(struct at
+
+ INIT_LIST_HEAD(&bf_head);
+ list_add_tail(&bf->list, &bf_head);
+- bf->bf_state.bf_type &= ~BUF_AMPDU;
++ bf->bf_state.bf_type = 0;
+
+ /* update starting sequence number for subsequent ADDBA request */
+ if (tid)
+ INCR(tid->seq_start, IEEE80211_SEQ_MAX);
+
+ bf->bf_lastbf = bf;
+- ath_buf_set_rate(sc, bf, fi->framelen);
++ ath_tx_fill_desc(sc, bf, txq, fi->framelen);
+ ath_tx_txqaddbuf(sc, txq, &bf_head, false);
+ TX_STAT_INC(txq->axq_qnum, queued);
}
-@@ -1155,13 +1147,8 @@ static bool bf_is_ampdu_not_probing(stru
- return bf_isampdu(bf) && !(info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE);
+
+-static enum ath9k_pkt_type get_hw_packet_type(struct sk_buff *skb)
+-{
+- struct ieee80211_hdr *hdr;
+- enum ath9k_pkt_type htype;
+- __le16 fc;
+-
+- hdr = (struct ieee80211_hdr *)skb->data;
+- fc = hdr->frame_control;
+-
+- if (ieee80211_is_beacon(fc))
+- htype = ATH9K_PKT_TYPE_BEACON;
+- else if (ieee80211_is_probe_resp(fc))
+- htype = ATH9K_PKT_TYPE_PROBE_RESP;
+- else if (ieee80211_is_atim(fc))
+- htype = ATH9K_PKT_TYPE_ATIM;
+- else if (ieee80211_is_pspoll(fc))
+- htype = ATH9K_PKT_TYPE_PSPOLL;
+- else
+- htype = ATH9K_PKT_TYPE_NORMAL;
+-
+- return htype;
+-}
+-
+ static void setup_frame_info(struct ieee80211_hw *hw, struct sk_buff *skb,
+ int framelen)
+ {
+@@ -1575,51 +1755,6 @@ static void setup_frame_info(struct ieee
+ fi->framelen = framelen;
}
+-static int setup_tx_flags(struct sk_buff *skb)
+-{
+- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+- int flags = 0;
+-
+- flags |= ATH9K_TXDESC_INTREQ;
+-
+- if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK)
+- flags |= ATH9K_TXDESC_NOACK;
+-
+- if (tx_info->flags & IEEE80211_TX_CTL_LDPC)
+- flags |= ATH9K_TXDESC_LDPC;
+-
+- return flags;
+-}
+-
-/*
-- * Drain a given TX queue (could be Beacon or Data)
-- *
-- * This assumes output has been stopped and
-- * we do not need to block ath_tx_tasklet.
+- * 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
- */
--void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
-+static void ath_drain_txq_list(struct ath_softc *sc, struct ath_txq *txq,
-+ struct list_head *list, bool retry_tx)
+-static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, int pktlen,
+- int width, int half_gi, bool shortPreamble)
+-{
+- u32 nbits, nsymbits, duration, nsymbols;
+- int streams;
+-
+- /* find number of symbols: PLCP + data */
+- streams = HT_RC_2_STREAMS(rix);
+- nbits = (pktlen << 3) + OFDM_PLCP_BITS;
+- nsymbits = bits_per_symbol[rix % 8][width] * streams;
+- nsymbols = (nbits + nsymbits - 1) / nsymbits;
+-
+- if (!half_gi)
+- duration = SYMBOL_TIME(nsymbols);
+- else
+- duration = SYMBOL_TIME_HALFGI(nsymbols);
+-
+- /* addup duration for legacy/ht training and signal fields */
+- duration += L_STF + L_LTF + L_SIG + HT_SIG + HT_STF + HT_LTF(streams);
+-
+- return duration;
+-}
+-
+ u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate)
{
- struct ath_buf *bf, *lastbf;
- struct list_head bf_head;
-@@ -1170,93 +1157,63 @@ void ath_draintxq(struct ath_softc *sc,
- memset(&ts, 0, sizeof(ts));
- INIT_LIST_HEAD(&bf_head);
-
-- for (;;) {
-- spin_lock_bh(&txq->axq_lock);
-+ while (!list_empty(list)) {
-+ bf = list_first_entry(list, struct ath_buf, list);
+ struct ath_hw *ah = sc->sc_ah;
+@@ -1632,118 +1767,6 @@ u8 ath_txchainmask_reduction(struct ath_
+ return chainmask;
+ }
-- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
-- if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) {
-- txq->txq_headidx = txq->txq_tailidx = 0;
-- spin_unlock_bh(&txq->axq_lock);
-- break;
-- } else {
-- bf = list_first_entry(&txq->txq_fifo[txq->txq_tailidx],
-- struct ath_buf, list);
-- }
-- } else {
-- if (list_empty(&txq->axq_q)) {
-- txq->axq_link = NULL;
-- spin_unlock_bh(&txq->axq_lock);
-- break;
-- }
-- bf = list_first_entry(&txq->axq_q, struct ath_buf,
-- list);
+-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;
-
-- if (bf->bf_stale) {
-- list_del(&bf->list);
-- spin_unlock_bh(&txq->axq_lock);
-+ if (bf->bf_stale) {
-+ list_del(&bf->list);
-
-- ath_tx_return_buffer(sc, bf);
-- continue;
-- }
-+ ath_tx_return_buffer(sc, bf);
-+ continue;
- }
-
- lastbf = bf->bf_lastbf;
+- 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;
-
-- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
-- list_cut_position(&bf_head,
-- &txq->txq_fifo[txq->txq_tailidx],
-- &lastbf->list);
-- INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH);
+- 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 {
-- /* remove ath_buf's of the same mpdu from txq */
-- list_cut_position(&bf_head, &txq->axq_q, &lastbf->list);
+- is_sp = false;
- }
-+ list_cut_position(&bf_head, list, &lastbf->list);
+-
+- if (bf->bf_state.bfs_paprd)
+- series[i].ChSel = ah->txchainmask;
+- else
+- series[i].ChSel = ath_txchainmask_reduction(sc,
+- ah->txchainmask, series[i].Rate);
+-
+- series[i].PktDuration = ath9k_hw_computetxtime(sc->sc_ah,
+- phy, rate->bitrate * 100, len, rix, is_sp);
+- }
+-
+- /* For AR5416 - RTS cannot be followed by a frame larger than 8K */
+- if (bf_isaggr(bf) && (len > sc->sc_ah->caps.rts_aggr_limit))
+- flags &= ~ATH9K_TXDESC_RTSENA;
+-
+- /* ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive. */
+- if (flags & ATH9K_TXDESC_RTSENA)
+- flags &= ~ATH9K_TXDESC_CTSENA;
+-
+- /* set dur_update_en for l-sig computation except for PS-Poll frames */
+- ath9k_hw_set11n_ratescenario(sc->sc_ah, bf->bf_desc,
+- bf->bf_lastbf->bf_desc,
+- !is_pspoll, ctsrate,
+- 0, series, 4, flags);
+-
+-}
+-
+ /*
+ * Assign a descriptor (and sequence number if necessary,
+ * and map buffer for DMA. Frees skb on error
+@@ -1753,13 +1776,10 @@ static struct ath_buf *ath_tx_setup_buff
+ struct ath_atx_tid *tid,
+ struct sk_buff *skb)
+ {
+- struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ struct ath_frame_info *fi = get_frame_info(skb);
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ath_buf *bf;
+- struct ath_desc *ds;
+- int frm_type;
+ u16 seqno;
+
+ bf = ath_tx_get_buffer(sc);
+@@ -1777,7 +1797,6 @@ static struct ath_buf *ath_tx_setup_buff
+ bf->bf_state.seqno = seqno;
+ }
- txq->axq_depth--;
- if (bf_is_ampdu_not_probing(bf))
- txq->axq_ampdu_depth--;
-- spin_unlock_bh(&txq->axq_lock);
+- bf->bf_flags = setup_tx_flags(skb);
+ bf->bf_mpdu = skb;
-+ spin_unlock_bh(&txq->axq_lock);
- if (bf_isampdu(bf))
- ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, 0,
- retry_tx);
- else
- ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0);
-+ spin_lock_bh(&txq->axq_lock);
+ 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;
}
-+}
-+/*
-+ * Drain a given TX queue (could be Beacon or Data)
-+ *
-+ * This assumes output has been stopped and
-+ * we do not need to block ath_tx_tasklet.
-+ */
-+void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
-+{
- spin_lock_bh(&txq->axq_lock);
-- txq->axq_tx_inprogress = false;
-- spin_unlock_bh(&txq->axq_lock);
--
- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
-- spin_lock_bh(&txq->axq_lock);
-- while (!list_empty(&txq->txq_fifo_pending)) {
-- bf = list_first_entry(&txq->txq_fifo_pending,
-- struct ath_buf, list);
-- list_cut_position(&bf_head,
-- &txq->txq_fifo_pending,
-- &bf->bf_lastbf->list);
-- spin_unlock_bh(&txq->axq_lock);
-+ int idx = txq->txq_tailidx;
-
-- if (bf_isampdu(bf))
-- ath_tx_complete_aggr(sc, txq, bf, &bf_head,
-- &ts, 0, retry_tx);
-- else
-- ath_tx_complete_buf(sc, bf, txq, &bf_head,
-- &ts, 0, 0);
-- spin_lock_bh(&txq->axq_lock);
-+ while (!list_empty(&txq->txq_fifo[idx])) {
-+ ath_drain_txq_list(sc, txq, &txq->txq_fifo[idx],
-+ retry_tx);
-+
-+ INCR(idx, ATH_TXFIFO_DEPTH);
- }
-- spin_unlock_bh(&txq->axq_lock);
-+ txq->txq_tailidx = idx;
- }
+- 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;
-+ txq->axq_link = NULL;
-+ txq->axq_tx_inprogress = false;
-+ ath_drain_txq_list(sc, txq, &txq->axq_q, retry_tx);
-+
- /* flush any pending frames if aggregation is enabled */
-- if (sc->sc_flags & SC_OP_TXAGGR) {
-- if (!retry_tx) {
-- spin_lock_bh(&txq->axq_lock);
-- ath_txq_drain_pending_buffers(sc, txq);
-- spin_unlock_bh(&txq->axq_lock);
-- }
-- }
-+ if ((sc->sc_flags & SC_OP_TXAGGR) && !retry_tx)
-+ ath_txq_drain_pending_buffers(sc, txq);
-+
-+ spin_unlock_bh(&txq->axq_lock);
- }
+ return bf;
+@@ -1849,16 +1852,9 @@ static void ath_tx_start_dma(struct ath_
- bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
-@@ -1370,11 +1327,13 @@ void ath_txq_schedule(struct ath_softc *
- * assume the descriptors are already chained together by caller.
- */
- static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
-- struct list_head *head)
-+ struct list_head *head, bool internal)
- {
- struct ath_hw *ah = sc->sc_ah;
- struct ath_common *common = ath9k_hw_common(ah);
-- struct ath_buf *bf;
-+ struct ath_buf *bf, *bf_last;
-+ bool puttxbuf = false;
-+ bool edma;
+ bf->bf_state.bfs_paprd = txctl->paprd;
- /*
- * Insert the frame on the outbound list and
-@@ -1384,51 +1343,49 @@ static void ath_tx_txqaddbuf(struct ath_
- if (list_empty(head))
- return;
+- 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;
-+ edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
- bf = list_first_entry(head, struct ath_buf, list);
-+ bf_last = list_entry(head->prev, struct ath_buf, list);
+- 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);
+ }
- ath_dbg(common, ATH_DBG_QUEUE,
- "qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth);
+@@ -1899,15 +1895,18 @@ int ath_tx_start(struct ieee80211_hw *hw
+ hdr->seq_ctrl |= cpu_to_le16(sc->tx.seq_no);
+ }
-- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
-- if (txq->axq_depth >= ATH_TXFIFO_DEPTH) {
-- list_splice_tail_init(head, &txq->txq_fifo_pending);
-- return;
-- }
-- if (!list_empty(&txq->txq_fifo[txq->txq_headidx]))
-- ath_dbg(common, ATH_DBG_XMIT,
-- "Initializing tx fifo %d which is non-empty\n",
-- txq->txq_headidx);
-- INIT_LIST_HEAD(&txq->txq_fifo[txq->txq_headidx]);
-- list_splice_init(head, &txq->txq_fifo[txq->txq_headidx]);
-+ if (edma && list_empty(&txq->txq_fifo[txq->txq_headidx])) {
-+ list_splice_tail_init(head, &txq->txq_fifo[txq->txq_headidx]);
- INCR(txq->txq_headidx, ATH_TXFIFO_DEPTH);
-- TX_STAT_INC(txq->axq_qnum, puttxbuf);
-- ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
-- ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
-- txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc);
-+ puttxbuf = true;
- } else {
- list_splice_tail_init(head, &txq->axq_q);
-
-- if (txq->axq_link == NULL) {
-- TX_STAT_INC(txq->axq_qnum, puttxbuf);
-- ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
-- ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
-- txq->axq_qnum, ito64(bf->bf_daddr),
-- bf->bf_desc);
-- } else {
-- *txq->axq_link = bf->bf_daddr;
-+ if (txq->axq_link) {
-+ ath9k_hw_set_desc_link(ah, txq->axq_link, bf->bf_daddr);
- ath_dbg(common, ATH_DBG_XMIT,
- "link[%u] (%p)=%llx (%p)\n",
- txq->axq_qnum, txq->axq_link,
- ito64(bf->bf_daddr), bf->bf_desc);
-- }
-- ath9k_hw_get_desc_link(ah, bf->bf_lastbf->bf_desc,
-- &txq->axq_link);
-+ } else if (!edma)
-+ puttxbuf = true;
-+
-+ txq->axq_link = bf_last->bf_desc;
-+ }
-+
-+ if (puttxbuf) {
-+ TX_STAT_INC(txq->axq_qnum, puttxbuf);
-+ ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
-+ ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
-+ txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc);
-+ }
+- /* Add the padding after the header if this is not already done */
+- padpos = ath9k_cmn_padpos(hdr->frame_control);
+- padsize = padpos & 3;
+- if (padsize && skb->len > padpos) {
+- if (skb_headroom(skb) < padsize)
+- return -ENOMEM;
+-
+- skb_push(skb, padsize);
+- memmove(skb->data, skb->data + padsize, padpos);
++ if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)) {
++ /* Add the padding after the header if this is not already done */
++ padpos = ath9k_cmn_padpos(hdr->frame_control);
++ padsize = padpos & 3;
++ if (padsize && skb->len > padpos) {
++ if (skb_headroom(skb) < padsize)
++ return -ENOMEM;
+
-+ if (!edma) {
- TX_STAT_INC(txq->axq_qnum, txstart);
- ath9k_hw_txstart(ah, txq->axq_qnum);
++ skb_push(skb, padsize);
++ memmove(skb->data, skb->data + padsize, padpos);
++ hdr = (struct ieee80211_hdr *) skb->data;
++ }
}
-- txq->axq_depth++;
-- if (bf_is_ampdu_not_probing(bf))
-- txq->axq_ampdu_depth++;
-+
-+ if (!internal) {
-+ txq->axq_depth++;
-+ if (bf_is_ampdu_not_probing(bf))
-+ txq->axq_ampdu_depth++;
-+ }
- }
- static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid,
-@@ -1470,7 +1427,7 @@ static void ath_tx_send_ampdu(struct ath
- TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw);
- bf->bf_lastbf = bf;
- ath_buf_set_rate(sc, bf, fi->framelen);
-- ath_tx_txqaddbuf(sc, txctl->txq, &bf_head);
-+ ath_tx_txqaddbuf(sc, txctl->txq, &bf_head, false);
- }
+ 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;
- static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
-@@ -1490,7 +1447,7 @@ static void ath_tx_send_normal(struct at
- bf->bf_lastbf = bf;
- fi = get_frame_info(bf->bf_mpdu);
- ath_buf_set_rate(sc, bf, fi->framelen);
-- ath_tx_txqaddbuf(sc, txq, bf_head);
-+ ath_tx_txqaddbuf(sc, txq, bf_head, false);
- TX_STAT_INC(txq->axq_qnum, queued);
- }
+- 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;
+- }
-@@ -2077,6 +2034,38 @@ static void ath_tx_rc_status(struct ath_
- tx_info->status.rates[tx_rateindex].count = ts->ts_longretry + 1;
- }
+- 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);
++ }
+ }
-+static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq,
-+ struct ath_tx_status *ts, struct ath_buf *bf,
-+ struct list_head *bf_head)
-+{
-+ int txok;
-+
-+ txq->axq_depth--;
-+ txok = !(ts->ts_status & ATH9K_TXERR_MASK);
-+ txq->axq_tx_inprogress = false;
-+ if (bf_is_ampdu_not_probing(bf))
-+ txq->axq_ampdu_depth--;
-+
-+ 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_complete_buf(sc, bf, txq, bf_head, ts, txok, 0);
-+ } else
-+ ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok, true);
-+
-+ spin_lock_bh(&txq->axq_lock);
-+
-+ if (sc->sc_flags & SC_OP_TXAGGR)
-+ ath_txq_schedule(sc, txq);
-+}
-+
- static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
+ if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) {
+@@ -2000,18 +2000,18 @@ static void ath_tx_complete_buf(struct a
+ struct ath_tx_status *ts, int txok, int sendbar)
{
- struct ath_hw *ah = sc->sc_ah;
-@@ -2085,20 +2074,18 @@ static void ath_tx_processq(struct ath_s
- struct list_head bf_head;
- struct ath_desc *ds;
- struct ath_tx_status ts;
-- int txok;
- int status;
-
- ath_dbg(common, ATH_DBG_QUEUE, "tx queue %d (%x), link %p\n",
- txq->axq_qnum, ath9k_hw_gettxbuf(sc->sc_ah, txq->axq_qnum),
- txq->axq_link);
-
-+ spin_lock_bh(&txq->axq_lock);
- for (;;) {
-- spin_lock_bh(&txq->axq_lock);
- if (list_empty(&txq->axq_q)) {
- txq->axq_link = NULL;
- if (sc->sc_flags & SC_OP_TXAGGR)
- ath_txq_schedule(sc, txq);
-- spin_unlock_bh(&txq->axq_lock);
- break;
- }
- bf = list_first_entry(&txq->axq_q, struct ath_buf, list);
-@@ -2114,13 +2101,11 @@ static void ath_tx_processq(struct ath_s
- bf_held = NULL;
- if (bf->bf_stale) {
- bf_held = bf;
-- if (list_is_last(&bf_held->list, &txq->axq_q)) {
-- spin_unlock_bh(&txq->axq_lock);
-+ if (list_is_last(&bf_held->list, &txq->axq_q))
- break;
-- } else {
-- bf = list_entry(bf_held->list.next,
-- struct ath_buf, list);
-- }
-+
-+ bf = list_entry(bf_held->list.next, struct ath_buf,
-+ list);
- }
+ struct sk_buff *skb = bf->bf_mpdu;
++ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+ unsigned long flags;
+ int tx_flags = 0;
- lastbf = bf->bf_lastbf;
-@@ -2128,10 +2113,9 @@ static void ath_tx_processq(struct ath_s
+ if (sendbar)
+ tx_flags = ATH_TX_BAR;
- memset(&ts, 0, sizeof(ts));
- status = ath9k_hw_txprocdesc(ah, ds, &ts);
-- if (status == -EINPROGRESS) {
-- spin_unlock_bh(&txq->axq_lock);
-+ if (status == -EINPROGRESS)
- break;
-- }
-+
- TX_STAT_INC(txq->axq_qnum, txprocdesc);
+- if (!txok) {
++ if (!txok)
+ tx_flags |= ATH_TX_ERROR;
- /*
-@@ -2145,42 +2129,14 @@ static void ath_tx_processq(struct ath_s
- list_cut_position(&bf_head,
- &txq->axq_q, lastbf->list.prev);
-
-- txq->axq_depth--;
-- txok = !(ts.ts_status & ATH9K_TXERR_MASK);
-- txq->axq_tx_inprogress = false;
-- if (bf_held)
-+ if (bf_held) {
- list_del(&bf_held->list);
--
-- if (bf_is_ampdu_not_probing(bf))
-- txq->axq_ampdu_depth--;
--
-- spin_unlock_bh(&txq->axq_lock);
--
-- if (bf_held)
- ath_tx_return_buffer(sc, bf_held);
--
-- 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);
- }
+- if (bf_isxretried(bf))
+- tx_flags |= ATH_TX_XRETRY;
+- }
++ if (ts->ts_status & ATH9K_TXERR_FILT)
++ tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
-- if (bf_isampdu(bf))
-- ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, txok,
-- true);
-- else
-- ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, txok, 0);
--
-- spin_lock_bh(&txq->axq_lock);
--
-- if (sc->sc_flags & SC_OP_TXAGGR)
-- ath_txq_schedule(sc, txq);
-- spin_unlock_bh(&txq->axq_lock);
-+ ath_tx_process_buffer(sc, txq, &ts, bf, &bf_head);
+ 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);
}
-+ spin_unlock_bh(&txq->axq_lock);
- }
-
- static void ath_tx_complete_poll_work(struct work_struct *work)
-@@ -2237,17 +2193,16 @@ void ath_tx_tasklet(struct ath_softc *sc
+ /* 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
- void ath_tx_edma_tasklet(struct ath_softc *sc)
+ 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 ath_tx_status txs;
-+ struct ath_tx_status ts;
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- struct ath_hw *ah = sc->sc_ah;
- struct ath_txq *txq;
- struct ath_buf *bf, *lastbf;
- struct list_head bf_head;
- int status;
-- int txok;
-
- for (;;) {
-- status = ath9k_hw_txprocdesc(ah, NULL, (void *)&txs);
-+ status = ath9k_hw_txprocdesc(ah, NULL, (void *)&ts);
- if (status == -EINPROGRESS)
- break;
- if (status == -EIO) {
-@@ -2257,12 +2212,13 @@ void ath_tx_edma_tasklet(struct ath_soft
- }
-
- /* Skip beacon completions */
-- if (txs.qid == sc->beacon.beaconq)
-+ if (ts.qid == sc->beacon.beaconq)
- continue;
+ 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_
+ }
-- txq = &sc->tx.txq[txs.qid];
-+ txq = &sc->tx.txq[ts.qid];
-
- spin_lock_bh(&txq->axq_lock);
-+
- if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) {
- spin_unlock_bh(&txq->axq_lock);
- return;
-@@ -2275,41 +2231,21 @@ void ath_tx_edma_tasklet(struct ath_soft
- INIT_LIST_HEAD(&bf_head);
- list_cut_position(&bf_head, &txq->txq_fifo[txq->txq_tailidx],
- &lastbf->list);
-- INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH);
-- txq->axq_depth--;
-- txq->axq_tx_inprogress = false;
-- if (bf_is_ampdu_not_probing(bf))
-- txq->axq_ampdu_depth--;
-- spin_unlock_bh(&txq->axq_lock);
-
-- txok = !(txs.ts_status & ATH9K_TXERR_MASK);
--
-- if (!bf_isampdu(bf)) {
-- if (txs.ts_status & ATH9K_TXERR_XRETRY)
-- bf->bf_state.bf_type |= BUF_XRETRY;
-- ath_tx_rc_status(sc, bf, &txs, 1, txok ? 0 : 1, txok, true);
-- }
--
-- if (bf_isampdu(bf))
-- ath_tx_complete_aggr(sc, txq, bf, &bf_head, &txs,
-- txok, true);
-- else
-- ath_tx_complete_buf(sc, bf, txq, &bf_head,
-- &txs, txok, 0);
-+ if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) {
-+ INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH);
-
-- spin_lock_bh(&txq->axq_lock);
-+ if (!list_empty(&txq->axq_q)) {
-+ struct list_head bf_q;
-
-- if (!list_empty(&txq->txq_fifo_pending)) {
-- INIT_LIST_HEAD(&bf_head);
-- bf = list_first_entry(&txq->txq_fifo_pending,
-- struct ath_buf, list);
-- list_cut_position(&bf_head,
-- &txq->txq_fifo_pending,
-- &bf->bf_lastbf->list);
-- ath_tx_txqaddbuf(sc, txq, &bf_head);
-- } else if (sc->sc_flags & SC_OP_TXAGGR)
-- ath_txq_schedule(sc, txq);
-+ INIT_LIST_HEAD(&bf_q);
-+ txq->axq_link = NULL;
-+ list_splice_tail_init(&txq->axq_q, &bf_q);
-+ ath_tx_txqaddbuf(sc, txq, &bf_q, true);
-+ }
-+ }
+ if ((ts->ts_status & ATH9K_TXERR_FILT) == 0 &&
+- (bf->bf_flags & ATH9K_TXDESC_NOACK) == 0 && update_rc) {
++ (tx_info->flags & IEEE80211_TX_CTL_NO_ACK) == 0) {
+ /*
+ * If an underrun error is seen assume it as an excessive
+ * retry only if max frame trigger level has been reached
+@@ -2082,9 +2080,9 @@ static void ath_tx_rc_status(struct ath_
+ * successfully by eventually preferring slower rates.
+ * This itself should also alleviate congestion on the bus.
+ */
+- if (ieee80211_is_data(hdr->frame_control) &&
+- (ts->ts_flags & (ATH9K_TX_DATA_UNDERRUN |
+- ATH9K_TX_DELIM_UNDERRUN)) &&
++ if (unlikely(ts->ts_flags & (ATH9K_TX_DATA_UNDERRUN |
++ ATH9K_TX_DELIM_UNDERRUN)) &&
++ ieee80211_is_data(hdr->frame_control) &&
+ ah->tx_trig_level >= sc->sc_ah->config.max_txtrig_level)
+ tx_info->status.rates[tx_rateindex].count =
+ hw->max_rate_tries;
+@@ -2115,13 +2113,7 @@ static void ath_tx_process_buffer(struct
+ spin_unlock_bh(&txq->axq_lock);
-+ ath_tx_process_buffer(sc, txq, &ts, bf, &bf_head);
- spin_unlock_bh(&txq->axq_lock);
- }
- }
+ if (!bf_isampdu(bf)) {
+- /*
+- * This frame is sent out as a single frame.
+- * Use hardware retry status for this frame.
+- */
+- if (ts->ts_status & ATH9K_TXERR_XRETRY)
+- bf->bf_state.bf_type |= BUF_XRETRY;
+- ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok, true);
++ ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok);
+ ath_tx_complete_buf(sc, bf, txq, bf_head, ts, txok, 0);
+ } else
+ ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok, true);
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
-@@ -161,6 +161,8 @@ static void ieee80211_send_addba_resp(st
+@@ -180,6 +180,8 @@ static void ieee80211_send_addba_resp(st
memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
else if (sdata->vif.type == NL80211_IFTYPE_STATION)
memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
IEEE80211_STYPE_ACTION);
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
-@@ -79,7 +79,8 @@ static void ieee80211_send_addba_request
+@@ -77,7 +77,8 @@ static void ieee80211_send_addba_request
memcpy(mgmt->da, da, ETH_ALEN);
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
if (sdata->vif.type == NL80211_IFTYPE_AP ||
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);
-@@ -388,7 +389,8 @@ int ieee80211_start_tx_ba_session(struct
+@@ -397,7 +398,8 @@ int ieee80211_start_tx_ba_session(struct
*/
if (sdata->vif.type != NL80211_IFTYPE_STATION &&
sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
break;
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
-@@ -2137,7 +2137,8 @@ ieee80211_rx_h_action(struct ieee80211_r
+@@ -2163,7 +2163,8 @@ ieee80211_rx_h_action(struct ieee80211_r
*/
if (sdata->vif.type != NL80211_IFTYPE_STATION &&
sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
break;
/* verify action_code is present */
-@@ -2335,13 +2336,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+@@ -2378,13 +2379,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
if (!ieee80211_vif_is_mesh(&sdata->vif) &&
sdata->vif.type != NL80211_IFTYPE_ADHOC &&
break;
case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
-@@ -2680,10 +2682,16 @@ static int prepare_for_handlers(struct i
+@@ -2727,10 +2729,16 @@ static int prepare_for_handlers(struct i
}
break;
case NL80211_IFTYPE_WDS:
WLAN_STA_CLEAR_PS_FILT = 1<<9,
WLAN_STA_MFP = 1<<10,
WLAN_STA_BLOCK_BA = 1<<11,
---- a/drivers/net/wireless/ath/ath9k/debug.h
-+++ b/drivers/net/wireless/ath/ath9k/debug.h
-@@ -116,6 +116,7 @@ struct ath_tx_stats {
- u32 tx_bytes_all;
- u32 queued;
- u32 completed;
-+ u32 xretries;
- u32 a_aggr;
- u32 a_queued_hw;
- u32 a_queued_sw;
---- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
-@@ -4645,10 +4645,16 @@ static void ar9003_hw_set_power_per_rate
- case 1:
- break;
- case 2:
-- scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
-+ if (scaledPower > REDUCE_SCALED_POWER_BY_TWO_CHAIN)
-+ scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
-+ else
-+ scaledPower = 0;
- break;
- case 3:
-- scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
-+ if (scaledPower > REDUCE_SCALED_POWER_BY_THREE_CHAIN)
-+ scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
-+ else
-+ scaledPower = 0;
- break;
+--- a/net/mac80211/status.c
++++ b/net/mac80211/status.c
+@@ -278,17 +278,19 @@ void ieee80211_tx_status(struct ieee8021
+ }
+
+ if (!acked && ieee80211_is_back_req(fc)) {
++ u16 control;
++
+ /*
+- * BAR failed, let's tear down the BA session as a
+- * last resort as some STAs (Intel 5100 on Windows)
+- * can get stuck when the BA window isn't flushed
+- * correctly.
++ * BAR failed, store the last SSN and retry sending
++ * the BAR when the next unicast transmission on the
++ * same TID succeeds.
+ */
+ bar = (struct ieee80211_bar *) skb->data;
+- if (!(bar->control & IEEE80211_BAR_CTRL_MULTI_TID)) {
++ control = le16_to_cpu(bar->control);
++ if (!(control & IEEE80211_BAR_CTRL_MULTI_TID)) {
+ u16 ssn = le16_to_cpu(bar->start_seq_num);
+
+- tid = (bar->control &
++ tid = (control &
+ IEEE80211_BAR_CTRL_TID_INFO_MASK) >>
+ IEEE80211_BAR_CTRL_TID_INFO_SHIFT;
+
+--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+@@ -704,8 +704,10 @@ static void ar5008_hw_override_ini(struc
+ REG_WRITE(ah, AR_PCU_MISC_MODE2, val);
+ }
+
+- if (!AR_SREV_5416_20_OR_LATER(ah) ||
+- AR_SREV_9280_20_OR_LATER(ah))
++ REG_SET_BIT(ah, AR_PHY_CCK_DETECT,
++ AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV);
++
++ if (AR_SREV_9280_20_OR_LATER(ah))
+ return;
+ /*
+ * Disable BB clock gating
+@@ -802,7 +804,8 @@ static int ar5008_hw_process_ini(struct
+
+ /* Write ADDAC shifts */
+ REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
+- ah->eep_ops->set_addac(ah, chan);
++ if (ah->eep_ops->set_addac)
++ ah->eep_ops->set_addac(ah, chan);
+
+ if (AR_SREV_5416_22_OR_LATER(ah)) {
+ REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
+@@ -1007,24 +1010,6 @@ static void ar5008_restore_chainmask(str
+ }
+ }
+
+-static void ar5008_set_diversity(struct ath_hw *ah, bool value)
+-{
+- u32 v = REG_READ(ah, AR_PHY_CCK_DETECT);
+- if (value)
+- v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
+- else
+- v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
+- REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
+-}
+-
+-static u32 ar9100_hw_compute_pll_control(struct ath_hw *ah,
+- struct ath9k_channel *chan)
+-{
+- if (chan && IS_CHAN_5GHZ(chan))
+- return 0x1450;
+- return 0x1458;
+-}
+-
+ static u32 ar9160_hw_compute_pll_control(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+ {
+@@ -1654,7 +1639,6 @@ void ar5008_hw_attach_phy_ops(struct ath
+ priv_ops->rfbus_req = ar5008_hw_rfbus_req;
+ priv_ops->rfbus_done = ar5008_hw_rfbus_done;
+ priv_ops->restore_chainmask = ar5008_restore_chainmask;
+- priv_ops->set_diversity = ar5008_set_diversity;
+ priv_ops->do_getnf = ar5008_hw_do_getnf;
+ priv_ops->set_radar_params = ar5008_hw_set_radar_params;
+
+@@ -1664,9 +1648,7 @@ void ar5008_hw_attach_phy_ops(struct ath
+ } else
+ priv_ops->ani_control = ar5008_hw_ani_control_old;
+
+- if (AR_SREV_9100(ah))
+- priv_ops->compute_pll_control = ar9100_hw_compute_pll_control;
+- else if (AR_SREV_9160_10_OR_LATER(ah))
++ if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah))
+ priv_ops->compute_pll_control = ar9160_hw_compute_pll_control;
+ else
+ priv_ops->compute_pll_control = ar5008_hw_compute_pll_control;
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+@@ -592,6 +592,9 @@ static void ar9003_hw_override_ini(struc
+ val = REG_READ(ah, AR_PCU_MISC_MODE2) & (~AR_ADHOC_MCAST_KEYID_ENABLE);
+ REG_WRITE(ah, AR_PCU_MISC_MODE2,
+ val | AR_AGG_WEP_ENABLE_FIX | AR_AGG_WEP_ENABLE);
++
++ REG_SET_BIT(ah, AR_PHY_CCK_DETECT,
++ AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV);
+ }
+
+ static void ar9003_hw_prog_ini(struct ath_hw *ah,
+@@ -785,16 +788,6 @@ static void ar9003_hw_rfbus_done(struct
+ REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
+ }
+
+-static void ar9003_hw_set_diversity(struct ath_hw *ah, bool value)
+-{
+- u32 v = REG_READ(ah, AR_PHY_CCK_DETECT);
+- if (value)
+- v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
+- else
+- v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
+- REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
+-}
+-
+ static bool ar9003_hw_ani_control(struct ath_hw *ah,
+ enum ath9k_ani_cmd cmd, int param)
+ {
+@@ -1277,7 +1270,6 @@ void ar9003_hw_attach_phy_ops(struct ath
+ priv_ops->set_delta_slope = ar9003_hw_set_delta_slope;
+ priv_ops->rfbus_req = ar9003_hw_rfbus_req;
+ priv_ops->rfbus_done = ar9003_hw_rfbus_done;
+- priv_ops->set_diversity = ar9003_hw_set_diversity;
+ priv_ops->ani_control = ar9003_hw_ani_control;
+ priv_ops->do_getnf = ar9003_hw_do_getnf;
+ priv_ops->ani_cache_ini_regs = ar9003_hw_ani_cache_ini_regs;
+--- a/drivers/net/wireless/ath/ath9k/eeprom.c
++++ b/drivers/net/wireless/ath/ath9k/eeprom.c
+@@ -456,12 +456,7 @@ void ath9k_hw_get_gain_boundaries_pdadcs
+ pPdGainBoundaries[i] =
+ min((u16)MAX_RATE_POWER, pPdGainBoundaries[i]);
+
+- if ((i == 0) && !AR_SREV_5416_20_OR_LATER(ah)) {
+- minDelta = pPdGainBoundaries[0] - 23;
+- pPdGainBoundaries[0] = 23;
+- } else {
+- minDelta = 0;
+- }
++ minDelta = 0;
+
+ if (i == 0) {
+ if (AR_SREV_9280_20_OR_LATER(ah))
+--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
++++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+@@ -405,12 +405,7 @@ static void ath9k_hw_set_4k_power_cal_ta
+ REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_3, 0);
+
+ for (i = 0; i < AR5416_EEP4K_MAX_CHAINS; i++) {
+- if (AR_SREV_5416_20_OR_LATER(ah) &&
+- (ah->rxchainmask == 5 || ah->txchainmask == 5) &&
+- (i != 0)) {
+- regChainOffset = (i == 1) ? 0x2000 : 0x1000;
+- } else
+- regChainOffset = i * 0x1000;
++ regChainOffset = i * 0x1000;
+
+ if (pEepData->baseEepHeader.txMask & (1 << i)) {
+ pRawDataset = pEepData->calPierData2G[i];
+@@ -423,19 +418,17 @@ static void ath9k_hw_set_4k_power_cal_ta
+
+ ENABLE_REGWRITE_BUFFER(ah);
+
+- if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah)) {
+- REG_WRITE(ah, AR_PHY_TPCRG5 + regChainOffset,
+- SM(pdGainOverlap_t2,
+- AR_PHY_TPCRG5_PD_GAIN_OVERLAP)
+- | SM(gainBoundaries[0],
+- AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1)
+- | SM(gainBoundaries[1],
+- AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2)
+- | SM(gainBoundaries[2],
+- AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3)
+- | SM(gainBoundaries[3],
+- AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4));
+- }
++ REG_WRITE(ah, AR_PHY_TPCRG5 + regChainOffset,
++ SM(pdGainOverlap_t2,
++ AR_PHY_TPCRG5_PD_GAIN_OVERLAP)
++ | SM(gainBoundaries[0],
++ AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1)
++ | SM(gainBoundaries[1],
++ AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2)
++ | SM(gainBoundaries[2],
++ AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3)
++ | SM(gainBoundaries[3],
++ AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4));
+
+ regOffset = AR_PHY_BASE + (672 << 2) + regChainOffset;
+ for (j = 0; j < 32; j++) {
+@@ -715,10 +708,8 @@ static void ath9k_hw_4k_set_txpower(stru
+ if (test)
+ return;
+
+- if (AR_SREV_9280_20_OR_LATER(ah)) {
+- for (i = 0; i < Ar5416RateSize; i++)
+- ratesArray[i] -= AR5416_PWR_TABLE_OFFSET_DB * 2;
+- }
++ for (i = 0; i < Ar5416RateSize; i++)
++ ratesArray[i] -= AR5416_PWR_TABLE_OFFSET_DB * 2;
+
+ ENABLE_REGWRITE_BUFFER(ah);
+
+@@ -788,28 +779,6 @@ static void ath9k_hw_4k_set_txpower(stru
+ REGWRITE_BUFFER_FLUSH(ah);
+ }
+
+-static void ath9k_hw_4k_set_addac(struct ath_hw *ah,
+- struct ath9k_channel *chan)
+-{
+- struct modal_eep_4k_header *pModal;
+- struct ar5416_eeprom_4k *eep = &ah->eeprom.map4k;
+- u8 biaslevel;
+-
+- if (ah->hw_version.macVersion != AR_SREV_VERSION_9160)
+- return;
+-
+- if (ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_MINOR_VER_7)
+- return;
+-
+- pModal = &eep->modalHeader;
+-
+- if (pModal->xpaBiasLvl != 0xff) {
+- biaslevel = pModal->xpaBiasLvl;
+- INI_RA(&ah->iniAddac, 7, 1) =
+- (INI_RA(&ah->iniAddac, 7, 1) & (~0x18)) | biaslevel << 3;
+- }
+-}
+-
+ static void ath9k_hw_4k_set_gain(struct ath_hw *ah,
+ struct modal_eep_4k_header *pModal,
+ struct ar5416_eeprom_4k *eep,
+@@ -877,6 +846,7 @@ static void ath9k_hw_4k_set_board_values
+ u8 txRxAttenLocal;
+ u8 ob[5], db1[5], db2[5];
+ u8 ant_div_control1, ant_div_control2;
++ u8 bb_desired_scale;
+ u32 regVal;
+
+ pModal = &eep->modalHeader;
+@@ -1096,30 +1066,29 @@ static void ath9k_hw_4k_set_board_values
+ AR_PHY_SETTLING_SWITCH,
+ pModal->swSettleHt40);
+ }
+- if (AR_SREV_9271(ah) || AR_SREV_9285(ah)) {
+- u8 bb_desired_scale = (pModal->bb_scale_smrt_antenna &
+- EEP_4K_BB_DESIRED_SCALE_MASK);
+- if ((pBase->txGainType == 0) && (bb_desired_scale != 0)) {
+- u32 pwrctrl, mask, clr;
+-
+- mask = BIT(0)|BIT(5)|BIT(10)|BIT(15)|BIT(20)|BIT(25);
+- pwrctrl = mask * bb_desired_scale;
+- clr = mask * 0x1f;
+- REG_RMW(ah, AR_PHY_TX_PWRCTRL8, pwrctrl, clr);
+- REG_RMW(ah, AR_PHY_TX_PWRCTRL10, pwrctrl, clr);
+- REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL12, pwrctrl, clr);
+-
+- mask = BIT(0)|BIT(5)|BIT(15);
+- pwrctrl = mask * bb_desired_scale;
+- clr = mask * 0x1f;
+- REG_RMW(ah, AR_PHY_TX_PWRCTRL9, pwrctrl, clr);
+-
+- mask = BIT(0)|BIT(5);
+- pwrctrl = mask * bb_desired_scale;
+- clr = mask * 0x1f;
+- REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL11, pwrctrl, clr);
+- REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL13, pwrctrl, clr);
+- }
++
++ bb_desired_scale = (pModal->bb_scale_smrt_antenna &
++ EEP_4K_BB_DESIRED_SCALE_MASK);
++ if ((pBase->txGainType == 0) && (bb_desired_scale != 0)) {
++ u32 pwrctrl, mask, clr;
++
++ mask = BIT(0)|BIT(5)|BIT(10)|BIT(15)|BIT(20)|BIT(25);
++ pwrctrl = mask * bb_desired_scale;
++ clr = mask * 0x1f;
++ REG_RMW(ah, AR_PHY_TX_PWRCTRL8, pwrctrl, clr);
++ REG_RMW(ah, AR_PHY_TX_PWRCTRL10, pwrctrl, clr);
++ REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL12, pwrctrl, clr);
++
++ mask = BIT(0)|BIT(5)|BIT(15);
++ pwrctrl = mask * bb_desired_scale;
++ clr = mask * 0x1f;
++ REG_RMW(ah, AR_PHY_TX_PWRCTRL9, pwrctrl, clr);
++
++ mask = BIT(0)|BIT(5);
++ pwrctrl = mask * bb_desired_scale;
++ clr = mask * 0x1f;
++ REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL11, pwrctrl, clr);
++ REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL13, pwrctrl, clr);
}
+ }
+@@ -1161,7 +1130,6 @@ const struct eeprom_ops eep_4k_ops = {
+ .get_eeprom_ver = ath9k_hw_4k_get_eeprom_ver,
+ .get_eeprom_rev = ath9k_hw_4k_get_eeprom_rev,
+ .set_board_values = ath9k_hw_4k_set_board_values,
+- .set_addac = ath9k_hw_4k_set_addac,
+ .set_txpower = ath9k_hw_4k_set_txpower,
+ .get_spur_channel = ath9k_hw_4k_get_spur_channel
+ };
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
-@@ -524,10 +524,16 @@ static void ath9k_hw_set_ar9287_power_pe
- case 1:
- break;
- case 2:
-- scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
-+ if (scaledPower > REDUCE_SCALED_POWER_BY_TWO_CHAIN)
-+ scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
-+ else
-+ scaledPower = 0;
- break;
- case 3:
-- scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
-+ if (scaledPower > REDUCE_SCALED_POWER_BY_THREE_CHAIN)
-+ scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
-+ else
-+ scaledPower = 0;
- break;
+@@ -851,10 +851,8 @@ static void ath9k_hw_ar9287_set_txpower(
+ if (test)
+ return;
+
+- if (AR_SREV_9280_20_OR_LATER(ah)) {
+- for (i = 0; i < Ar5416RateSize; i++)
+- ratesArray[i] -= AR9287_PWR_TABLE_OFFSET_DB * 2;
+- }
++ for (i = 0; i < Ar5416RateSize; i++)
++ ratesArray[i] -= AR9287_PWR_TABLE_OFFSET_DB * 2;
+
+ ENABLE_REGWRITE_BUFFER(ah);
+
+@@ -944,11 +942,6 @@ static void ath9k_hw_ar9287_set_txpower(
+ REGWRITE_BUFFER_FLUSH(ah);
+ }
+
+-static void ath9k_hw_ar9287_set_addac(struct ath_hw *ah,
+- struct ath9k_channel *chan)
+-{
+-}
+-
+ static void ath9k_hw_ar9287_set_board_values(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+ {
+@@ -1100,7 +1093,6 @@ const struct eeprom_ops eep_ar9287_ops =
+ .get_eeprom_ver = ath9k_hw_ar9287_get_eeprom_ver,
+ .get_eeprom_rev = ath9k_hw_ar9287_get_eeprom_rev,
+ .set_board_values = ath9k_hw_ar9287_set_board_values,
+- .set_addac = ath9k_hw_ar9287_set_addac,
+ .set_txpower = ath9k_hw_ar9287_set_txpower,
+ .get_spur_channel = ath9k_hw_ar9287_get_spur_channel
+ };
+--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
++++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
+@@ -547,8 +547,7 @@ static void ath9k_hw_def_set_board_value
+ break;
+ }
+
+- if (AR_SREV_5416_20_OR_LATER(ah) &&
+- (ah->rxchainmask == 5 || ah->txchainmask == 5) && (i != 0))
++ if ((ah->rxchainmask == 5 || ah->txchainmask == 5) && (i != 0))
+ regChainOffset = (i == 1) ? 0x2000 : 0x1000;
+ else
+ regChainOffset = i * 0x1000;
+@@ -565,9 +564,8 @@ static void ath9k_hw_def_set_board_value
+ SM(pModal->iqCalQCh[i],
+ AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF));
+
+- if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah))
+- ath9k_hw_def_set_gain(ah, pModal, eep, txRxAttenLocal,
+- regChainOffset, i);
++ ath9k_hw_def_set_gain(ah, pModal, eep, txRxAttenLocal,
++ regChainOffset, i);
}
- scaledPower = max((u16)0, scaledPower);
+
+ if (AR_SREV_9280_20_OR_LATER(ah)) {
+@@ -893,8 +891,7 @@ static void ath9k_hw_set_def_power_cal_t
+ xpdGainValues[2]);
+
+ for (i = 0; i < AR5416_MAX_CHAINS; i++) {
+- if (AR_SREV_5416_20_OR_LATER(ah) &&
+- (ah->rxchainmask == 5 || ah->txchainmask == 5) &&
++ if ((ah->rxchainmask == 5 || ah->txchainmask == 5) &&
+ (i != 0)) {
+ regChainOffset = (i == 1) ? 0x2000 : 0x1000;
+ } else
+@@ -935,27 +932,24 @@ static void ath9k_hw_set_def_power_cal_t
+
+ ENABLE_REGWRITE_BUFFER(ah);
+
+- if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah)) {
+- if (OLC_FOR_AR9280_20_LATER) {
+- REG_WRITE(ah,
+- AR_PHY_TPCRG5 + regChainOffset,
+- SM(0x6,
+- AR_PHY_TPCRG5_PD_GAIN_OVERLAP) |
+- SM_PD_GAIN(1) | SM_PD_GAIN(2) |
+- SM_PD_GAIN(3) | SM_PD_GAIN(4));
+- } else {
+- REG_WRITE(ah,
+- AR_PHY_TPCRG5 + regChainOffset,
+- SM(pdGainOverlap_t2,
+- AR_PHY_TPCRG5_PD_GAIN_OVERLAP)|
+- SM_PDGAIN_B(0, 1) |
+- SM_PDGAIN_B(1, 2) |
+- SM_PDGAIN_B(2, 3) |
+- SM_PDGAIN_B(3, 4));
+- }
++ if (OLC_FOR_AR9280_20_LATER) {
++ REG_WRITE(ah,
++ AR_PHY_TPCRG5 + regChainOffset,
++ SM(0x6,
++ AR_PHY_TPCRG5_PD_GAIN_OVERLAP) |
++ SM_PD_GAIN(1) | SM_PD_GAIN(2) |
++ SM_PD_GAIN(3) | SM_PD_GAIN(4));
++ } else {
++ REG_WRITE(ah,
++ AR_PHY_TPCRG5 + regChainOffset,
++ SM(pdGainOverlap_t2,
++ AR_PHY_TPCRG5_PD_GAIN_OVERLAP)|
++ SM_PDGAIN_B(0, 1) |
++ SM_PDGAIN_B(1, 2) |
++ SM_PDGAIN_B(2, 3) |
++ SM_PDGAIN_B(3, 4));
+ }
+
+-
+ ath9k_adjust_pdadc_values(ah, pwr_table_offset,
+ diff, pdadcValues);
+
+--- a/drivers/net/wireless/ath/ath9k/init.c
++++ b/drivers/net/wireless/ath/ath9k/init.c
+@@ -506,7 +506,6 @@ static void ath9k_init_misc(struct ath_s
+ sc->sc_flags |= SC_OP_RXAGGR;
+ }
+
+- ath9k_hw_set_diversity(sc->sc_ah, true);
+ sc->rx.defant = ath9k_hw_getdefantenna(sc->sc_ah);
+
+ memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
+--- a/drivers/net/wireless/ath/ath9k/reg.h
++++ b/drivers/net/wireless/ath/ath9k/reg.h
+@@ -800,10 +800,6 @@
+ #define AR_SREV_5416(_ah) \
+ (((_ah)->hw_version.macVersion == AR_SREV_VERSION_5416_PCI) || \
+ ((_ah)->hw_version.macVersion == AR_SREV_VERSION_5416_PCIE))
+-#define AR_SREV_5416_20_OR_LATER(_ah) \
+- (((AR_SREV_5416(_ah)) && \
+- ((_ah)->hw_version.macRev >= AR_SREV_REVISION_5416_20)) || \
+- ((_ah)->hw_version.macVersion >= AR_SREV_VERSION_9100))
+ #define AR_SREV_5416_22_OR_LATER(_ah) \
+ (((AR_SREV_5416(_ah)) && \
+ ((_ah)->hw_version.macRev >= AR_SREV_REVISION_5416_22)) || \
+--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
++++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
+@@ -869,6 +869,7 @@ static bool ar9002_hw_init_cal(struct at
+ ar9002_hw_pa_cal(ah, true);
+
+ /* Do NF Calibration after DC offset and other calibrations */
++ ath9k_hw_loadnf(ah, chan);
+ ath9k_hw_start_nfcal(ah, true);
+
+ if (ah->caldata)
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -671,7 +671,6 @@ enum queue_stop_reason {
+ IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
+ IEEE80211_QUEUE_STOP_REASON_SUSPEND,
+ IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
+- IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE,
+ };
+
+ #ifdef CONFIG_MAC80211_LEDS
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -1921,24 +1921,8 @@ static void ieee80211_rx_mgmt_beacon(str
+
+ rcu_read_unlock();
+
+- /*
+- * Whenever the AP announces the HT mode change that can be
+- * 40MHz intolerant or etc., it would be safer to stop tx
+- * queues before doing hw config to avoid buffer overflow.
+- */
+- ieee80211_stop_queues_by_reason(&sdata->local->hw,
+- IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE);
+-
+- /* flush out all packets */
+- synchronize_net();
+-
+- drv_flush(local, false);
+-
+ changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem,
+ bssid, ap_ht_cap_flags);
+-
+- ieee80211_wake_queues_by_reason(&sdata->local->hw,
+- IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE);
+ }
+
+ /* Note: country IE parsing is done for us by cfg80211 */
+--- a/drivers/net/wireless/b43/main.c
++++ b/drivers/net/wireless/b43/main.c
+@@ -1613,7 +1613,8 @@ static void handle_irq_beacon(struct b43
+ u32 cmd, beacon0_valid, beacon1_valid;
+
+ if (!b43_is_mode(wl, NL80211_IFTYPE_AP) &&
+- !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT))
++ !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) &&
++ !b43_is_mode(wl, NL80211_IFTYPE_ADHOC))
+ return;
+
+ /* This is the bottom half of the asynchronous beacon update. */
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