diff options
Diffstat (limited to 'drivers/net/virtio_net.c')
| -rw-r--r-- | drivers/net/virtio_net.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 8a852b5f215f..b852bb368acc 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1724,6 +1724,13 @@ static int virtnet_probe(struct virtio_device *vdev) if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) vi->has_cvq = true; + if (vi->any_header_sg) { + if (vi->mergeable_rx_bufs) + dev->needed_headroom = sizeof(struct virtio_net_hdr_mrg_rxbuf); + else + dev->needed_headroom = sizeof(struct virtio_net_hdr); + } + /* Use single tx/rx queue pair as default */ vi->curr_queue_pairs = 1; vi->max_queue_pairs = max_queue_pairs; |