2020-05-28 08:22:55

by Tony Chuang

[permalink] [raw]
Subject: [PATCH 4/5] rtw88: single rf path chips don't support TX STBC

From: Tzu-En Huang <[email protected]>

Since single rf path chips don't support TX SPBC, tell mac80211
to not advertise it.

Signed-off-by: Tzu-En Huang <[email protected]>
Signed-off-by: Yan-Hsuan Chuang <[email protected]>
---
drivers/net/wireless/realtek/rtw88/main.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c
index f8345c45ed8e..ddf9d8a43889 100644
--- a/drivers/net/wireless/realtek/rtw88/main.c
+++ b/drivers/net/wireless/realtek/rtw88/main.c
@@ -972,12 +972,12 @@ static void rtw_init_vht_cap(struct rtw_dev *rtwdev,
vht_cap->vht_supported = true;
vht_cap->cap = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
IEEE80211_VHT_CAP_SHORT_GI_80 |
- IEEE80211_VHT_CAP_TXSTBC |
IEEE80211_VHT_CAP_RXSTBC_1 |
IEEE80211_VHT_CAP_HTC_VHT |
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
0;
-
+ if (rtwdev->hal.rf_path_num > 1)
+ vht_cap->cap |= IEEE80211_VHT_CAP_TXSTBC;
vht_cap->cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
vht_cap->cap |= (rtwdev->hal.bfee_sts_cap <<
--
2.17.1