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| author | Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com> | 2016-06-29 19:29:27 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2016-06-30 14:00:39 +0300 |
| commit | 34663241d81f9d2a8e3730f3f3973adfcb913b83 (patch) | |
| tree | 342f0dbe3268f6e6881645a8bb5f8f01f3b11bf2 | |
| parent | 343bf960f03c982a80dbf5ee3af58a7734a3f1d2 (diff) | |
| download | linux-stable-34663241d81f9d2a8e3730f3f3973adfcb913b83.tar.gz linux-stable-34663241d81f9d2a8e3730f3f3973adfcb913b83.tar.bz2 linux-stable-34663241d81f9d2a8e3730f3f3973adfcb913b83.zip | |
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: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/mac.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 3560ae92b5ab..e9d464c3e2e5 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -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); } + 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.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; } - 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; if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) { |