diff options
Diffstat (limited to 'hw/virtio-net.c')
| -rw-r--r-- | hw/virtio-net.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/hw/virtio-net.c b/hw/virtio-net.c index d10d183035..5e9520de7f 100644 --- a/hw/virtio-net.c +++ b/hw/virtio-net.c @@ -152,6 +152,11 @@ static uint32_t virtio_net_get_features(VirtIODevice *vdev) features |= (1 << VIRTIO_NET_F_HOST_TSO4); features |= (1 << VIRTIO_NET_F_HOST_TSO6); features |= (1 << VIRTIO_NET_F_HOST_ECN); + + features |= (1 << VIRTIO_NET_F_GUEST_CSUM); + features |= (1 << VIRTIO_NET_F_GUEST_TSO4); + features |= (1 << VIRTIO_NET_F_GUEST_TSO6); + features |= (1 << VIRTIO_NET_F_GUEST_ECN); } return features; @@ -177,6 +182,14 @@ static void virtio_net_set_features(VirtIODevice *vdev, uint32_t features) VirtIONet *n = to_virtio_net(vdev); n->mergeable_rx_bufs = !!(features & (1 << VIRTIO_NET_F_MRG_RXBUF)); + + if (n->has_vnet_hdr) { + tap_set_offload(n->vc->peer, + (features >> VIRTIO_NET_F_GUEST_CSUM) & 1, + (features >> VIRTIO_NET_F_GUEST_TSO4) & 1, + (features >> VIRTIO_NET_F_GUEST_TSO6) & 1, + (features >> VIRTIO_NET_F_GUEST_ECN) & 1); + } } static int virtio_net_handle_rx_mode(VirtIONet *n, uint8_t cmd, @@ -702,6 +715,11 @@ static int virtio_net_load(QEMUFile *f, void *opaque, int version_id) if (n->has_vnet_hdr) { tap_using_vnet_hdr(n->vc->peer, 1); + tap_set_offload(n->vc->peer, + (n->vdev.features >> VIRTIO_NET_F_GUEST_CSUM) & 1, + (n->vdev.features >> VIRTIO_NET_F_GUEST_TSO4) & 1, + (n->vdev.features >> VIRTIO_NET_F_GUEST_TSO6) & 1, + (n->vdev.features >> VIRTIO_NET_F_GUEST_ECN) & 1); } } |