1 files changed, 92 insertions, 166 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
index 45b262fe2c25..b5920168606d 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
@@ -15,6 +15,7 @@
  */
 
 #include "hw.h"
+#include <linux/export.h>
 
 #define AR_BufLen           0x00000fff
 
@@ -170,33 +171,104 @@ static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
 	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 +343,6 @@ static int ar9002_hw_proc_txdesc(struct ath_hw *ah, void *ds,
 	return 0;
 }
 
-static void ar9002_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)
-{
-	struct ar5416_desc *ads = AR5416DESC(ds);
-
-	if (txPower > 63)
-		txPower = 63;
-
-	ads->ds_ctl0 = (pktLen & AR_FrameLen)
-		| (flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
-		| SM(txPower, AR_XmitPower)
-		| (flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
-		| (flags & ATH9K_TXDESC_INTREQ ? AR_TxIntrReq : 0)
-		| (keyIx != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0);
-
-	ads->ds_ctl1 =
-		(keyIx != ATH9K_TXKEYIX_INVALID ? SM(keyIx, AR_DestIdx) : 0)
-		| SM(type, AR_FrameType)
-		| (flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
-		| (flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
-		| (flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
-
-	ads->ds_ctl6 = SM(keyType, AR_EncrType);
-
-	if (AR_SREV_9285(ah) || AR_SREV_9271(ah)) {
-		ads->ds_ctl8 = 0;
-		ads->ds_ctl9 = 0;
-		ads->ds_ctl10 = 0;
-		ads->ds_ctl11 = 0;
-	}
-}
-
-static void ar9002_hw_set_clrdmask(struct ath_hw *ah, void *ds, bool val)
-{
-	struct ar5416_desc *ads = AR5416DESC(ds);
-
-	if (val)
-		ads->ds_ctl0 |= AR_ClrDestMask;
-	else
-		ads->ds_ctl0 &= ~AR_ClrDestMask;
-}
-
-static void ar9002_hw_set11n_ratescenario(struct ath_hw *ah, void *ds,
-					  void *lastds,
-					  u32 durUpdateEn, u32 rtsctsRate,
-					  u32 rtsctsDuration,
-					  struct ath9k_11n_rate_series series[],
-					  u32 nseries, u32 flags)
-{
-	struct ar5416_desc *ads = AR5416DESC(ds);
-	struct ar5416_desc *last_ads = AR5416DESC(lastds);
-	u32 ds_ctl0;
-
-	if (flags & (ATH9K_TXDESC_RTSENA | ATH9K_TXDESC_CTSENA)) {
-		ds_ctl0 = ads->ds_ctl0;
-
-		if (flags & ATH9K_TXDESC_RTSENA) {
-			ds_ctl0 &= ~AR_CTSEnable;
-			ds_ctl0 |= AR_RTSEnable;
-		} else {
-			ds_ctl0 &= ~AR_RTSEnable;
-			ds_ctl0 |= AR_CTSEnable;
-		}
-
-		ads->ds_ctl0 = ds_ctl0;
-	} else {
-		ads->ds_ctl0 =
-			(ads->ds_ctl0 & ~(AR_RTSEnable | AR_CTSEnable));
-	}
-
-	ads->ds_ctl2 = set11nTries(series, 0)
-		| set11nTries(series, 1)
-		| set11nTries(series, 2)
-		| set11nTries(series, 3)
-		| (durUpdateEn ? AR_DurUpdateEna : 0)
-		| SM(0, AR_BurstDur);
-
-	ads->ds_ctl3 = set11nRate(series, 0)
-		| set11nRate(series, 1)
-		| set11nRate(series, 2)
-		| set11nRate(series, 3);
-
-	ads->ds_ctl4 = set11nPktDurRTSCTS(series, 0)
-		| set11nPktDurRTSCTS(series, 1);
-
-	ads->ds_ctl5 = set11nPktDurRTSCTS(series, 2)
-		| set11nPktDurRTSCTS(series, 3);
-
-	ads->ds_ctl7 = set11nRateFlags(series, 0)
-		| set11nRateFlags(series, 1)
-		| set11nRateFlags(series, 2)
-		| set11nRateFlags(series, 3)
-		| SM(rtsctsRate, AR_RTSCTSRate);
-	last_ads->ds_ctl2 = ads->ds_ctl2;
-	last_ads->ds_ctl3 = ads->ds_ctl3;
-}
-
-static void ar9002_hw_set11n_aggr_first(struct ath_hw *ah, void *ds,
-					u32 aggrLen)
-{
-	struct ar5416_desc *ads = AR5416DESC(ds);
-
-	ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
-	ads->ds_ctl6 &= ~AR_AggrLen;
-	ads->ds_ctl6 |= SM(aggrLen, AR_AggrLen);
-}
-
-static void ar9002_hw_set11n_aggr_middle(struct ath_hw *ah, void *ds,
-					 u32 numDelims)
-{
-	struct ar5416_desc *ads = AR5416DESC(ds);
-	unsigned int ctl6;
-
-	ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
-
-	ctl6 = ads->ds_ctl6;
-	ctl6 &= ~AR_PadDelim;
-	ctl6 |= SM(numDelims, AR_PadDelim);
-	ads->ds_ctl6 = ctl6;
-}
-
-static void ar9002_hw_set11n_aggr_last(struct ath_hw *ah, void *ds)
-{
-	struct ar5416_desc *ads = AR5416DESC(ds);
-
-	ads->ds_ctl1 |= AR_IsAggr;
-	ads->ds_ctl1 &= ~AR_MoreAggr;
-	ads->ds_ctl6 &= ~AR_PadDelim;
-}
-
-static void ar9002_hw_clr11n_aggr(struct ath_hw *ah, void *ds)
-{
-	struct ar5416_desc *ads = AR5416DESC(ds);
-
-	ads->ds_ctl1 &= (~AR_IsAggr & ~AR_MoreAggr);
-}
-
 void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
 			  u32 size, u32 flags)
 {
@@ -433,13 +366,6 @@ void ar9002_hw_attach_mac_ops(struct ath_hw *ah)
 	ops->rx_enable = ar9002_hw_rx_enable;
 	ops->set_desc_link = ar9002_hw_set_desc_link;
 	ops->get_isr = ar9002_hw_get_isr;
-	ops->fill_txdesc = ar9002_hw_fill_txdesc;
+	ops->set_txdesc = ar9002_set_txdesc;
 	ops->proc_txdesc = ar9002_hw_proc_txdesc;
-	ops->set11n_txdesc = ar9002_hw_set11n_txdesc;
-	ops->set11n_ratescenario = ar9002_hw_set11n_ratescenario;
-	ops->set11n_aggr_first = ar9002_hw_set11n_aggr_first;
-	ops->set11n_aggr_middle = ar9002_hw_set11n_aggr_middle;
-	ops->set11n_aggr_last = ar9002_hw_set11n_aggr_last;
-	ops->clr11n_aggr = ar9002_hw_clr11n_aggr;
-	ops->set_clrdmask = ar9002_hw_set_clrdmask;
 }