ath9k: add support for Tx and Rx STBC
Supported only for single stream rates by the hardware
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 351538c..70e5aa4 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -214,6 +214,12 @@
else
max_streams = 2;
+ if (AR_SREV_9280_10_OR_LATER(ah)) {
+ if (max_streams >= 2)
+ ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
+ ht_info->cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
+ }
+
/* set up supported mcs set */
memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
tx_streams = count_streams(common->tx_chainmask, max_streams);