ath9k: ar9003_mac: read STBC indicator from rx descriptor

The rx descriptor contains a STBC indicator. If the indicator is set the
frame was received with STBC.

Signed-off-by: Philipp Borgers <borgers@mi.fu-berlin.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210517172426.15919-1-borgers@mi.fu-berlin.de

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
index 76b538942a793e465d7801f5ce133bd7194dc004..5184a0aacfe26349b4c248fe59b44912e6caa10c 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -522,6 +522,8 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs,
        rxs->rs_moreaggr = (rxsp->status11 & AR_RxMoreAggr) ? 1 : 0;
        rxs->rs_antenna = (MS(rxsp->status4, AR_RxAntenna) & 0x7);
        rxs->enc_flags |= (rxsp->status4 & AR_GI) ? RX_ENC_FLAG_SHORT_GI : 0;
+       rxs->enc_flags |=
+               (rxsp->status4 & AR_STBC) ? (1 << RX_ENC_FLAG_STBC_SHIFT) : 0;
        rxs->bw = (rxsp->status4 & AR_2040) ? RATE_INFO_BW_40 : RATE_INFO_BW_20;
 
        rxs->evm0 = rxsp->status6;