[PATCH] wcn36xx: Fix HT40 capability for 2Ghz band

* [PATCH] wcn36xx: Fix HT40 capability for 2Ghz band
@ 2021-10-20 13:38 Loic Poulain
  2021-10-27  7:44 ` Kalle Valo
  0 siblings, 1 reply; 2+ messages in thread
From: Loic Poulain @ 2021-10-20 13:38 UTC (permalink / raw)
  To: kvalo; +Cc: wcn36xx, linux-wireless, bryan.odonoghue, Loic Poulain, stable

All wcn36xx controllers are supposed to support HT40 (and SGI40),
This doubles the maximum bitrate/throughput with compatible APs.

Tested with wcn3620 & wcn3680B.

Cc: stable@vger.kernel.org
Fixes: 8e84c2582169 ("wcn36xx: mac80211 driver for Qualcomm WCN3660/WCN3680 hardware")
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
---
 drivers/net/wireless/ath/wcn36xx/main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
index d4f44c8..4f139d9 100644
--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -137,7 +137,9 @@ static struct ieee80211_supported_band wcn_band_2ghz = {
 		.cap =	IEEE80211_HT_CAP_GRN_FLD |
 			IEEE80211_HT_CAP_SGI_20 |
 			IEEE80211_HT_CAP_DSSSCCK40 |
-			IEEE80211_HT_CAP_LSIG_TXOP_PROT,
+			IEEE80211_HT_CAP_LSIG_TXOP_PROT |
+			IEEE80211_HT_CAP_SGI_40 |
+			IEEE80211_HT_CAP_SUP_WIDTH_20_40,
 		.ht_supported = true,
 		.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
 		.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
-- 
2.7.4


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