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Date: Thu, 9 Sep 2021 07:41:00 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Loic Poulain <loic.poulain@...aro.org>, Bryan O'Donoghue <bryan.odonoghue@...aro.org>, Kalle Valo <kvalo@...eaurora.org>, Sasha Levin <sashal@...nel.org>, wcn36xx@...ts.infradead.org, linux-wireless@...r.kernel.org, netdev@...r.kernel.org Subject: [PATCH AUTOSEL 5.14 246/252] wcn36xx: Fix missing frame timestamp for beacon/probe-resp From: Loic Poulain <loic.poulain@...aro.org> [ Upstream commit 8678fd31f2d3eb14f2b8b39c9bc266f16fa24b22 ] When receiving a beacon or probe response, we should update the boottime_ns field which is the timestamp the frame was received at. (cf mac80211.h) This fixes a scanning issue with Android since it relies on this timestamp to determine when the AP has been seen for the last time (via the nl80211 BSS_LAST_SEEN_BOOTTIME parameter). Signed-off-by: Loic Poulain <loic.poulain@...aro.org> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org> Signed-off-by: Kalle Valo <kvalo@...eaurora.org> Link: https://lore.kernel.org/r/1629992768-23785-1-git-send-email-loic.poulain@linaro.org Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/net/wireless/ath/wcn36xx/txrx.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/ath/wcn36xx/txrx.c b/drivers/net/wireless/ath/wcn36xx/txrx.c index 1b831157ede1..cab196bb38cd 100644 --- a/drivers/net/wireless/ath/wcn36xx/txrx.c +++ b/drivers/net/wireless/ath/wcn36xx/txrx.c @@ -287,6 +287,10 @@ int wcn36xx_rx_skb(struct wcn36xx *wcn, struct sk_buff *skb) status.rate_idx = 0; } + if (ieee80211_is_beacon(hdr->frame_control) || + ieee80211_is_probe_resp(hdr->frame_control)) + status.boottime_ns = ktime_get_boottime_ns(); + memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); if (ieee80211_is_beacon(hdr->frame_control)) { -- 2.30.2
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