If send queue sent some packets, we update the tx timeout
record to prevent the tx timeout.
Signed-off-by: Xuan Zhuo <xuanzhuo at linux.alibaba.com>
---
drivers/net/virtio/xsk.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/net/virtio/xsk.c b/drivers/net/virtio/xsk.c
index 7abd46bb0e3d..e605f860edb6 100644
--- a/drivers/net/virtio/xsk.c
+++ b/drivers/net/virtio/xsk.c
@@ -274,6 +274,16 @@ bool virtnet_xsk_xmit(struct virtnet_sq *sq, struct
xsk_buff_pool *pool,
virtnet_xsk_check_queue(sq);
+ if (stats.packets) {
+ struct netdev_queue *txq;
+ struct virtnet_info *vi;
+
+ vi = sq->vq->vdev->priv;
+
+ txq = netdev_get_tx_queue(vi->dev, sq - vi->sq);
+ txq_trans_cond_update(txq);
+ }
+
u64_stats_update_begin(&sq->stats.syncp);
sq->stats.packets += stats.packets;
sq->stats.bytes += stats.bytes;
--
2.32.0.3.g01195cf9f
Michael S. Tsirkin
2023-Oct-12 09:10 UTC
[PATCH vhost 21/22] virtio_net: update tx timeout record
On Wed, Oct 11, 2023 at 05:27:27PM +0800, Xuan Zhuo wrote:> If send queue sent some packets, we update the tx timeout > record to prevent the tx timeout. > > Signed-off-by: Xuan Zhuo <xuanzhuo at linux.alibaba.com> > --- > drivers/net/virtio/xsk.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/net/virtio/xsk.c b/drivers/net/virtio/xsk.c > index 7abd46bb0e3d..e605f860edb6 100644 > --- a/drivers/net/virtio/xsk.c > +++ b/drivers/net/virtio/xsk.c > @@ -274,6 +274,16 @@ bool virtnet_xsk_xmit(struct virtnet_sq *sq, struct xsk_buff_pool *pool, > > virtnet_xsk_check_queue(sq); > > + if (stats.packets) { > + struct netdev_queue *txq; > + struct virtnet_info *vi; > + > + vi = sq->vq->vdev->priv; > + > + txq = netdev_get_tx_queue(vi->dev, sq - vi->sq); > + txq_trans_cond_update(txq); > + } > + > u64_stats_update_begin(&sq->stats.syncp); > sq->stats.packets += stats.packets; > sq->stats.bytes += stats.bytes;I don't get what this is doing. Is there some kind of race here you are trying to address? And what introduced the race?> -- > 2.32.0.3.g01195cf9f