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wifi: rtw89: fix potential TX stuck

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The potential TX stuck occurs when there are lots of packets to be
transmitted and the boundary of the tx_resource is hit. Add this
patch to avoid the TX stuck when burst traffic.

Signed-off-by: Kuan-Chung Chen <damon.chen@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220610072610.27095-6-pkshih@realtek.com
This commit is contained in:
Kuan-Chung Chen 2022-06-10 15:26:04 +08:00 committed by Kalle Valo
parent 6a5a783a71
commit 29363fb666
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wireless/realtek/rtw89/core.c
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@ -1991,6 +1991,10 @@ static void rtw89_core_txq_schedule(struct rtw89_dev *rtwdev, u8 ac, bool *reinv
ieee80211_return_txq(hw, txq, sched_txq);
if (frame_cnt != 0)
rtw89_core_tx_kick_off(rtwdev, rtw89_core_get_qsel(rtwdev, txq->tid));
/* bound of tx_resource could get stuck due to burst traffic */
if (frame_cnt == tx_resource)
*reinvoke = true;
}
ieee80211_txq_schedule_end(hw, ac);
}