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net: usb: r8152: fix transmit queue timeout

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When the TX queue length reaches the threshold, the netdev watchdog
immediately detects a TX queue timeout.

This patch updates the trans_start timestamp of the transmit queue
on every asynchronous USB URB submission along the transmit path,
ensuring that the network watchdog accurately reflects ongoing
transmission activity.

Signed-off-by: Mingj Ye <insyelu@gmail.com>
Reviewed-by: Hayes Wang <hayeswang@realtek.com>
Link: https://patch.msgid.link/20260120015949.84996-1-insyelu@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Mingj Ye
2026-01-20 18:27:32 -08:00
committed by Jakub Kicinski
parent 1802e9079f
commit 833dcd75d5
1 changed files with 2 additions and 0 deletions
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drivers/net/usb/r8152.c
+2
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@@ -2449,6 +2449,8 @@ static int r8152_tx_agg_fill(struct r8152 *tp, struct tx_agg *agg)
ret = usb_submit_urb(agg->urb, GFP_ATOMIC);
if (ret < 0)
usb_autopm_put_interface_async(tp->intf);
else
netif_trans_update(tp->netdev);
out_tx_fill:
return ret;