diff options
Diffstat (limited to 'src/vnet/devices/virtio/node.c')
| -rw-r--r-- | src/vnet/devices/virtio/node.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/vnet/devices/virtio/node.c b/src/vnet/devices/virtio/node.c index 9cb6cca5672..3b218abdbb7 100644 --- a/src/vnet/devices/virtio/node.c +++ b/src/vnet/devices/virtio/node.c @@ -153,6 +153,20 @@ fill_gso_buffer_flags (vlib_buffer_t * b0, struct virtio_net_hdr_v1 *hdr) u16 ethertype = clib_net_to_host_u16 (eh->type); u16 l2hdr_sz = sizeof (ethernet_header_t); + if (ethernet_frame_is_tagged (ethertype)) + { + ethernet_vlan_header_t *vlan = (ethernet_vlan_header_t *) (eh + 1); + + ethertype = clib_net_to_host_u16 (vlan->type); + l2hdr_sz += sizeof (*vlan); + if (ethertype == ETHERNET_TYPE_VLAN) + { + vlan++; + ethertype = clib_net_to_host_u16 (vlan->type); + l2hdr_sz += sizeof (*vlan); + } + } + vnet_buffer (b0)->l2_hdr_offset = 0; vnet_buffer (b0)->l3_hdr_offset = l2hdr_sz; if (PREDICT_TRUE (ethertype == ETHERNET_TYPE_IP4)) |