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Tue, 13 Jan 2026 18:57:35 -0800 (PST) Received: from yemj-virtual-machine.localdomain ([111.55.148.79]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35109b1974fsm433166a91.5.2026.01.13.18.57.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Jan 2026 18:57:35 -0800 (PST) From: insyelu To: andrew+netdev@lunn.ch, davem@davemloft.net, nic_swsd@realtek.com, tiwai@suse.de Cc: hayeswang@realtek.com, linux-usb@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, insyelu Subject: [PATCH] net: usb: r8152: fix transmit queue timeout Date: Wed, 14 Jan 2026 10:56:22 +0800 Message-Id: <20260114025622.24348-1-insyelu@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" When the TX queue length reaches the threshold, the netdev watchdog immediately detects a TX queue timeout. This patch updates the transmit queue's trans_start timestamp upon completion of each asynchronous USB URB submission on the TX path, ensuring the network watchdog correctly reflects ongoing transmission activity. Signed-off-by: insyelu --- drivers/net/usb/r8152.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index fa5192583860..afec602a5fdb 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -1954,6 +1954,8 @@ static void write_bulk_callback(struct urb *urb) =20 if (!skb_queue_empty(&tp->tx_queue)) tasklet_schedule(&tp->tx_tl); + + netif_trans_update(netdev); } =20 static void intr_callback(struct urb *urb) --=20 2.34.1