linux-kernel - [PATCH AUTOSEL for 4.9 160/190] ath10k: handling qos at STA side based on AP WMM enable/disable

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Date:   Thu, 8 Mar 2018 05:00:03 +0000
From:   Sasha Levin <Alexander.Levin@...rosoft.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
CC:     Balaji Pothunoori <bpothuno@....qualcomm.com>,
        Kalle Valo <kvalo@....qualcomm.com>,
        Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: [PATCH AUTOSEL for 4.9 160/190] ath10k: handling qos at STA side
 based on AP WMM enable/disable

From: Balaji Pothunoori <bpothuno@....qualcomm.com>

[ Upstream commit 07ffb4497360ae8789f05555fec8171ee952304d ]

Data packets are not sent by STA in case of STA joined to
non QOS AP (WMM disabled AP). This is happening because of STA
is sending data packets to firmware from host with qos enabled
along with non qos queue value(TID = 16).
Due to qos enabled, firmware is discarding the packet.

This patch fixes this issue by updating the qos based on station
WME capability field if WMM is disabled in AP.

This patch is required by 10.4 family chipsets like
QCA4019/QCA9888/QCA9884/QCA99X0.
Firmware Versoin : 10.4-3.5.1-00018.

For 10.2.4 family chipsets QCA988X/QCA9887 and QCA6174 this patch
has no effect.

Signed-off-by: Balaji Pothunoori <bpothuno@....qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@....qualcomm.com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
---
 drivers/net/wireless/ath/ath10k/mac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 17ab8efdac35..93ac13761b68 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -2505,7 +2505,7 @@ static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
 		}
 		break;
 	case WMI_VDEV_TYPE_STA:
-		if (vif->bss_conf.qos)
+		if (sta->wme)
 			arg->peer_flags |= arvif->ar->wmi.peer_flags->qos;
 		break;
 	case WMI_VDEV_TYPE_IBSS:
-- 
2.14.1