This is a note to let you know that I've just added the patch titled
wcn36xx: fix RX BD rate mapping for 5GHz legacy rates
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wcn36xx-fix-rx-bd-rate-mapping-for-5ghz-legacy-rates.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit fac6d17e7d9d29bbf5f6dc0f83ee4c08c4c9cc1a
Author: Benjamin Li <benl@xxxxxxxxxxxx>
Date: Wed Nov 3 18:05:48 2021 -0700
wcn36xx: fix RX BD rate mapping for 5GHz legacy rates
[ Upstream commit cfdf6b19e750f7de8ae71a26932f63b52e3bf74c ]
The linear mapping between the BD rate field and the driver's 5GHz
legacy rates table (wcn_5ghz_rates) does not only apply for the latter
four rates -- it applies to all eight rates.
Fixes: 6ea131acea98 ("wcn36xx: Fix warning due to bad rate_idx")
Signed-off-by: Benjamin Li <benl@xxxxxxxxxxxx>
Tested-by: Loic Poulain <loic.poulain@xxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20211104010548.1107405-3-benl@xxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/ath/wcn36xx/txrx.c b/drivers/net/wireless/ath/wcn36xx/txrx.c
index f76de106570d2..f33e7228a1010 100644
--- a/drivers/net/wireless/ath/wcn36xx/txrx.c
+++ b/drivers/net/wireless/ath/wcn36xx/txrx.c
@@ -237,7 +237,6 @@ int wcn36xx_rx_skb(struct wcn36xx *wcn, struct sk_buff *skb)
const struct wcn36xx_rate *rate;
struct ieee80211_hdr *hdr;
struct wcn36xx_rx_bd *bd;
- struct ieee80211_supported_band *sband;
u16 fc, sn;
/*
@@ -295,12 +294,11 @@ int wcn36xx_rx_skb(struct wcn36xx *wcn, struct sk_buff *skb)
status.enc_flags = rate->encoding_flags;
status.bw = rate->bw;
status.rate_idx = rate->mcs_or_legacy_index;
- sband = wcn->hw->wiphy->bands[status.band];
status.nss = 1;
if (status.band == NL80211_BAND_5GHZ &&
status.encoding == RX_ENC_LEGACY &&
- status.rate_idx >= sband->n_bitrates) {
+ status.rate_idx >= 4) {
/* no dsss rates in 5Ghz rates table */
status.rate_idx -= 4;
}
