[PATCH v2] ath10k: Fix tx status flag setting for management frames

* [PATCH v2] ath10k: Fix tx status flag setting for management frames
@ 2018-09-06 13:27 ` Rakesh Pillai
  0 siblings, 0 replies; 4+ messages in thread
From: Rakesh Pillai @ 2018-09-06 13:27 UTC (permalink / raw)
  To: ath10k; +Cc: linux-wireless, Rakesh Pillai

The tx_status for management frames is being filled
incorrectly in the flags of skb_cb. This incorrect
flag setting causes the upper layers to consider that
the particular frame was not transmitted properly,
leading to improper behavior.

Set the IEEE80211_TX_STAT_ACK flag in the info flags
of skb_cb, to indicate the successful transmission of
the management frame.

Fixes: dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d

Tested HW: WCN3990
Tested FW: WLAN.HL.2.0-01188-QCAHLSWMTPLZ-1

Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
---
 drivers/net/wireless/ath/ath10k/wmi.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index fd612d2..1dced0d 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -2336,7 +2336,12 @@ static int wmi_process_mgmt_tx_comp(struct ath10k *ar, u32 desc_id,
 	dma_unmap_single(ar->dev, pkt_addr->paddr,
 			 msdu->len, DMA_FROM_DEVICE);
 	info = IEEE80211_SKB_CB(msdu);
-	info->flags |= status;
+
+	if (status)
+		info->flags &= ~IEEE80211_TX_STAT_ACK;
+	else
+		info->flags |= IEEE80211_TX_STAT_ACK;
+
 	ieee80211_tx_status_irqsafe(ar->hw, msdu);
 
 	ret = 0;
-- 
2.7.4

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