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Message-Id: <20240716064628.1950-13-xuanzhuo@linux.alibaba.com>
Date: Tue, 16 Jul 2024 14:46:27 +0800
From: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
To: netdev@...r.kernel.org
Cc: "Michael S. Tsirkin" <mst@...hat.com>,
	Jason Wang <jasowang@...hat.com>,
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
	Eugenio PĂ©rez <eperezma@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Jesper Dangaard Brouer <hawk@...nel.org>,
	John Fastabend <john.fastabend@...il.com>,
	virtualization@...ts.linux.dev,
	bpf@...r.kernel.org
Subject: [RFC net-next 12/13] virtio_net: update tx timeout record

If send queue sent some packets, we update the tx timeout
record to prevent the tx timeout.

Signed-off-by: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Acked-by: Jason Wang <jasowang@...hat.com>
---
 drivers/net/virtio_net.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 700d080d8c5b..38af9f0b632e 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1478,6 +1478,13 @@ static bool virtnet_xsk_xmit(struct send_queue *sq, struct xsk_buff_pool *pool,
 	if (!is_xdp_raw_buffer_queue(vi, sq - vi->sq))
 		check_sq_full_and_disable(vi, vi->dev, sq);
 
+	if (stats.packets) {
+		struct netdev_queue *txq;
+
+		txq = netdev_get_tx_queue(vi->dev, sq - vi->sq);
+		txq_trans_cond_update(txq);
+	}
+
 	u64_stats_update_begin(&sq->stats.syncp);
 	u64_stats_add(&sq->stats.packets, stats.packets);
 	u64_stats_add(&sq->stats.bytes,   stats.bytes);
-- 
2.32.0.3.g01195cf9f


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