Commit ab5bd583 authored by Xuan Zhuo's avatar Xuan Zhuo Committed by Daniel Borkmann
Browse files

virtio-net: Support IFF_TX_SKB_NO_LINEAR flag 



Virtio net supports the case where the skb linear space is empty, so
add priv_flags.

Signed-off-by: default avatarXuan Zhuo <xuanzhuo@linux.alibaba.com>
Signed-off-by: default avatarAlexander Lobakin <alobakin@pm.me>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Acked-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Acked-by: default avatarJohn Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20210218204908.5455-4-alobakin@pm.me
parent c2ff53d8

drivers/net/virtio_net.c

+2 −1
Original line number Diff line number Diff line
@@ -2972,7 +2972,8 @@ static int virtnet_probe(struct virtio_device *vdev) 
		return -ENOMEM;



	/* Set up network device as normal. */

	dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE;

	dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE |

			   IFF_TX_SKB_NO_LINEAR;

	dev->netdev_ops = &virtnet_netdev;

	dev->features = NETIF_F_HIGHDMA;