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-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_mac.c28
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c3
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.h3
-rw-r--r--drivers/net/wireless/ath/ath9k/reg.h1
4 files changed, 33 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
index 10c812e353a6..f5896aa30005 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -410,12 +410,36 @@ static void ar9003_hw_set11n_ratescenario(struct ath_hw *ah, void *ds,
static void ar9003_hw_set11n_aggr_first(struct ath_hw *ah, void *ds,
u32 aggrLen)
{
+#define FIRST_DESC_NDELIMS 60
struct ar9003_txc *ads = (struct ar9003_txc *) ds;
ads->ctl12 |= (AR_IsAggr | AR_MoreAggr);
- ads->ctl17 &= ~AR_AggrLen;
- ads->ctl17 |= SM(aggrLen, AR_AggrLen);
+ if (ah->ent_mode & AR_ENT_OTP_MPSD) {
+ u32 ctl17, ndelim;
+ /*
+ * Add delimiter when using RTS/CTS with aggregation
+ * and non enterprise AR9003 card
+ */
+ ctl17 = ads->ctl17;
+ ndelim = MS(ctl17, AR_PadDelim);
+
+ if (ndelim < FIRST_DESC_NDELIMS) {
+ aggrLen += (FIRST_DESC_NDELIMS - ndelim) * 4;
+ ndelim = FIRST_DESC_NDELIMS;
+ }
+
+ ctl17 &= ~AR_AggrLen;
+ ctl17 |= SM(aggrLen, AR_AggrLen);
+
+ ctl17 &= ~AR_PadDelim;
+ ctl17 |= SM(ndelim, AR_PadDelim);
+
+ ads->ctl17 = ctl17;
+ } else {
+ ads->ctl17 &= ~AR_AggrLen;
+ ads->ctl17 |= SM(aggrLen, AR_AggrLen);
+ }
}
static void ar9003_hw_set11n_aggr_middle(struct ath_hw *ah, void *ds,
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index e75d8e8cf4d2..75e23632b968 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1952,6 +1952,9 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
if (AR_SREV_9300_20_OR_LATER(ah))
pCap->hw_caps |= ATH9K_HW_CAP_RAC_SUPPORTED;
+ if (AR_SREV_9300_20_OR_LATER(ah))
+ ah->ent_mode = REG_READ(ah, AR_ENT_OTP);
+
if (AR_SREV_9287_11_OR_LATER(ah) || AR_SREV_9271(ah))
pCap->hw_caps |= ATH9K_HW_CAP_SGI_20;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index f821a28bcda3..15f51c8943a1 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -803,6 +803,9 @@ struct ath_hw {
* this register when in sleep states.
*/
u32 WARegVal;
+
+ /* Enterprise mode cap */
+ u32 ent_mode;
};
static inline struct ath_common *ath9k_hw_common(struct ath_hw *ah)
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index ac6a13e27352..60826b82f4a2 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -1067,6 +1067,7 @@ enum {
#define AR_INTR_PRIO_ASYNC_ENABLE 0x40d4
#define AR_ENT_OTP 0x40d8
#define AR_ENT_OTP_CHAIN2_DISABLE 0x00020000
+#define AR_ENT_OTP_MPSD 0x00800000
#define AR_RTC_9300_PLL_DIV 0x000003ff
#define AR_RTC_9300_PLL_DIV_S 0