virtio_net: bigger header when VERSION_1 is set
With VERSION_1 virtio_net uses same header size
whether mergeable buffers are enabled or not.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 098f443..a0e64cf 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1805,7 +1805,8 @@
if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF))
vi->mergeable_rx_bufs = true;
- if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF))
+ if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF) ||
+ virtio_has_feature(vdev, VIRTIO_F_VERSION_1))
vi->hdr_len = sizeof(struct virtio_net_hdr_mrg_rxbuf);
else
vi->hdr_len = sizeof(struct virtio_net_hdr);