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39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
From 76482cd32e1053ef6437015d9418636616931213 Mon Sep 17 00:00:00 2001
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From: Hari Chandrakanthan <quic_haric@quicinc.com>
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Date: Thu, 22 Jun 2023 00:45:47 +0530
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Subject: [PATCH] ath11k : flush management frames to firmware before waiting
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for tx completion
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warning print "ath11k c000000.wifi: failed to flush mgmt transmit queue 0"
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is observed during interface down.
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The management packets are queued in a skb_queue and the skb_queue
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is dequeued in the work ar->wmi_mgmt_tx_work.
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In ath11k_mac_flush_tx_complete, before waiting for the tx completion of
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all the management frames, we are not ensuring that queued
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management frames are flushed to the firmware.
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This causes ar->num_pending_mgmt_tx to be positive and it leads to the
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warning print.
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Fix this by flushing all the management frames to firmware before waiting
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for the tx completion.
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Signed-off-by: Hari Chandrakanthan <quic_haric@quicinc.com>
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---
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drivers/net/wireless/ath/ath11k/mac.c | 2 ++
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1 file changed, 2 insertions(+)
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--- a/drivers/net/wireless/ath/ath11k/mac.c
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+++ b/drivers/net/wireless/ath/ath11k/mac.c
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@@ -8700,6 +8700,8 @@ static int ath11k_mac_flush_tx_complete(
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ret = -ETIMEDOUT;
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}
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+ flush_work(&ar->wmi_mgmt_tx_work);
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+
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time_left = wait_event_timeout(ar->txmgmt_empty_waitq,
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(atomic_read(&ar->num_pending_mgmt_tx) == 0),
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ATH11K_FLUSH_TIMEOUT);
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