diff options
| author |   Mohsin Kazmi <sykazmi@cisco.com> | 2020-04-23 17:59:49 +0200 |
|---|---|---|
| committer |   Neale Ranns <nranns@cisco.com> | 2020-05-05 07:44:12 +0000 |
| commit | 84f91fa9c54f82c54b58ea3bf6e9ba22ff735d3a (patch) | |
| tree | 63a762ea0e66b1a0074378f25984eb6450ac9ceb /src/vnet/devices/virtio/vhost_user_output.c | |
| parent | 5ec6a4ea4440211e468a813ffe0f3173421c9b29 (diff) | |
gso: add support for IP-IP
Type: feature
Change-Id: I37752af8496e0042a1da91124f3d94216b39ff11
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'src/vnet/devices/virtio/vhost_user_output.c')
| -rw-r--r-- | src/vnet/devices/virtio/vhost_user_output.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/vnet/devices/virtio/vhost_user_output.c b/src/vnet/devices/virtio/vhost_user_output.c index 4f5eb3c1d76..d48e43738a9 100644 --- a/src/vnet/devices/virtio/vhost_user_output.c +++ b/src/vnet/devices/virtio/vhost_user_output.c @@ -237,7 +237,11 @@ vhost_user_handle_tx_offload (vhost_user_intf_t * vui, vlib_buffer_t * b, virtio_net_hdr_t * hdr) { generic_header_offset_t gho = { 0 }; - vnet_generic_header_offset_parser (b, &gho); + int is_ip4 = b->flags & VNET_BUFFER_F_IS_IP4; + int is_ip6 = b->flags & VNET_BUFFER_F_IS_IP6; + + ASSERT (!(is_ip4 && is_ip6)); + vnet_generic_header_offset_parser (b, &gho, 1 /* l2 */ , is_ip4, is_ip6); if (b->flags & VNET_BUFFER_F_OFFLOAD_IP_CKSUM) { ip4_header_t *ip4; @@ -272,13 +276,13 @@ vhost_user_handle_tx_offload (vhost_user_intf_t * vui, vlib_buffer_t * b, { if (b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM) { - if ((b->flags & VNET_BUFFER_F_IS_IP4) && + if (is_ip4 && (vui->features & (1ULL << FEAT_VIRTIO_NET_F_GUEST_TSO4))) { hdr->gso_size = vnet_buffer2 (b)->gso_size; hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV4; } - else if ((b->flags & VNET_BUFFER_F_IS_IP6) && + else if (is_ip6 && (vui->features & (1ULL << FEAT_VIRTIO_NET_F_GUEST_TSO6))) { hdr->gso_size = vnet_buffer2 (b)->gso_size; |