Signed-off-by: Oleksij Rempel <linux@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/mac.c | 5 +++++
drivers/net/wireless/ath/ath9k/mac.h | 3 ++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index a52081d..d055e38 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -593,6 +593,11 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
(ads.ds_rxstatus3 & AR_GI) ? RX_FLAG_SHORT_GI : 0;
rs->flag |=
(ads.ds_rxstatus3 & AR_2040) ? RX_FLAG_40MHZ : 0;
+ if (AR_SREV_9280_20_OR_LATER(ah))
+ rs->flag |=
+ (ads.ds_rxstatus3 & AR_STBC) ?
+ /* we can only Nss=1 STBC */
+ (1 << RX_FLAG_STBC_SHIFT) : 0;
if (ads.ds_rxstatus8 & AR_PreDelimCRCErr)
rs->rs_flags |= ATH9K_RX_DELIM_CRC_PRE;
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index 3f1e775..b02dfce 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -534,7 +534,8 @@ struct ar5416_desc {
#define AR_2040 0x00000002
#define AR_Parallel40 0x00000004
#define AR_Parallel40_S 2
-#define AR_RxStatusRsvd30 0x000000f8
+#define AR_STBC 0x00000008 /* on ar9280 and later */
+#define AR_RxStatusRsvd30 0x000000f0
#define AR_RxAntenna 0xffffff00
#define AR_RxAntenna_S 8
--
1.8.1.2
--
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