Commit 76a771ec authored by Koichiro Den's avatar Koichiro Den Committed by Paolo Abeni
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virtio_net: ensure netdev_tx_reset_queue is called on bind xsk for tx 



virtnet_sq_bind_xsk_pool() flushes tx skbs and then resets tx queue, so
DQL counters need to be reset when flushing has actually occurred, Add
virtnet_sq_free_unused_buf_done() as a callback for virtqueue_resize()
to handle this.

Fixes: 21a4e3ce ("virtio_net: xsk: bind/unbind xsk for tx")
Signed-off-by: default avatarKoichiro Den <koichiro.den@canonical.com>
Acked-by: default avatarJason Wang <jasowang@redhat.com>
Reviewed-by: default avatarXuan Zhuo <xuanzhuo@linux.alibaba.com>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 8d2da07c

drivers/net/virtio_net.c

+2 −1
Original line number Diff line number Diff line
@@ -5740,7 +5740,8 @@ static int virtnet_sq_bind_xsk_pool(struct virtnet_info *vi, 


	virtnet_tx_pause(vi, sq);



	err = virtqueue_reset(sq->vq, virtnet_sq_free_unused_buf, NULL);

	err = virtqueue_reset(sq->vq, virtnet_sq_free_unused_buf,

			      virtnet_sq_free_unused_buf_done);

	if (err) {

		netdev_err(vi->dev, "reset tx fail: tx queue index: %d err: %d\n", qindex, err);

		pool = NULL;