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: 21a4e3c ("virtio_net: xsk: bind/unbind xsk for tx") Signed-off-by: Koichiro Den <[email protected]> Acked-by: Jason Wang <[email protected]> Reviewed-by: Xuan Zhuo <[email protected]> Signed-off-by: Paolo Abeni <[email protected]>
linux-chenxing · Dec 10, 2024 · 76a771e · 76a771e
1 parent 8d2da07
commit 76a771e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
@@ -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;