2021-10-20 13:31:12

by Loic Poulain

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

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

Tested with wcn3620 & wcn3680B.

Cc: [email protected]
Fixes: 8e84c2582169 ("wcn36xx: mac80211 driver for Qualcomm WCN3660/WCN3680 hardware")
Signed-off-by: Loic Poulain <[email protected]>
---
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

2021-10-27 18:56:39

by Kalle Valo

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

Loic Poulain <[email protected]> wrote:

> All wcn36xx controllers are supposed to support HT40 (and SGI40),
> This doubles the maximum bitrate/throughput with compatible APs.
>
> Tested with wcn3620 & wcn3680B.
>
> Cc: [email protected]
> Fixes: 8e84c2582169 ("wcn36xx: mac80211 driver for Qualcomm WCN3660/WCN3680 hardware")
> Signed-off-by: Loic Poulain <[email protected]>
> Signed-off-by: Kalle Valo <[email protected]>

Patch applied to ath-next branch of ath.git, thanks.

960ae77f2563 wcn36xx: Fix HT40 capability for 2Ghz band

--
https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches