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Commit 34663241 authored by Mohammed Shafi Shajakhan's avatar Mohammed Shafi Shajakhan Committed by Kalle Valo
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ath10k: disable TX_STBC for tx chainmask of 1 



Disable TX_STBC for both HT and VHT if the devices tx chainmask is '1'
TX_STBC is required only for devices with tx_chainmask > 1. This fixes
a ping failure for QCA9887 (1x1) in HT/VHT mode

Signed-off-by: default avatarMohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 343bf960

drivers/net/wireless/ath/ath10k/mac.c

+4 −1
Original line number Original line Diff line number Diff line
@@ -4226,6 +4226,9 @@ static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar) 
			mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);

			mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);

	}

	}





	if (ar->cfg_tx_chainmask <= 1)

		vht_cap.cap &= ~IEEE80211_VHT_CAP_TXSTBC;



	vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);

	vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);

	vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);

	vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
@@ -4263,7 +4266,7 @@ static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar) 
		ht_cap.cap |= smps;

		ht_cap.cap |= smps;

	}

	}





	if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC)

	if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC && (ar->cfg_tx_chainmask > 1))

		ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;

		ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;





	if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) {

	if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) {