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Date: Mon, 28 Jan 2019 10:55:20 -0500 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>, Kalle Valo <kvalo@...eaurora.org>, Sasha Levin <sashal@...nel.org>, linux-wireless@...r.kernel.org, netdev@...r.kernel.org Subject: [PATCH AUTOSEL 4.19 014/258] ath9k: dynack: use authentication messages for 'late' ack From: Lorenzo Bianconi <lorenzo.bianconi@...hat.com> [ Upstream commit 3831a2a0010c72e3956020cbf1057a1701a2e469 ] In order to properly support dynack in ad-hoc mode running wpa_supplicant, take into account authentication frames for 'late ack' detection. This patch has been tested on devices mounted on offshore high-voltage stations connected through ~24Km link Reported-by: Koen Vandeputte <koen.vandeputte@...ntric.com> Tested-by: Koen Vandeputte <koen.vandeputte@...ntric.com> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@...hat.com> Signed-off-by: Kalle Valo <kvalo@...eaurora.org> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/net/wireless/ath/ath9k/dynack.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath9k/dynack.c b/drivers/net/wireless/ath/ath9k/dynack.c index 7334c9b09e82..cc0dc966c512 100644 --- a/drivers/net/wireless/ath/ath9k/dynack.c +++ b/drivers/net/wireless/ath/ath9k/dynack.c @@ -187,7 +187,8 @@ void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb, /* late ACK */ if (ts->ts_status & ATH9K_TXERR_XRETRY) { if (ieee80211_is_assoc_req(hdr->frame_control) || - ieee80211_is_assoc_resp(hdr->frame_control)) { + ieee80211_is_assoc_resp(hdr->frame_control) || + ieee80211_is_auth(hdr->frame_control)) { ath_dbg(common, DYNACK, "late ack\n"); ath9k_hw_setslottime(ah, (LATEACK_TO - 3) / 2); ath9k_hw_set_ack_timeout(ah, LATEACK_TO); -- 2.19.1
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