diff mbox series

[05/11] rtw89: fix potential TX stuck

Message ID 20220610072610.27095-6-pkshih@realtek.com (mailing list archive)
State Accepted
Commit 29363fb666bc8deee5acf27a3966f14ff63189d6
Delegated to: Kalle Valo
Headers show
Series rtw89: add TDLS and various fixes | expand

Commit Message

Ping-Ke Shih June 10, 2022, 7:26 a.m. UTC 
From: Kuan-Chung Chen <damon.chen@realtek.com>

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>
---
 drivers/net/wireless/realtek/rtw89/core.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c
index 608c325ec62a6..cea4de6bb939c 100644
--- a/drivers/net/wireless/realtek/rtw89/core.c
+++ b/drivers/net/wireless/realtek/rtw89/core.c
@@ -1945,6 +1945,10 @@  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);
 }