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Diffstat (limited to 'src/vnet/devices/virtio/device.c')
-rw-r--r--src/vnet/devices/virtio/device.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/src/vnet/devices/virtio/device.c b/src/vnet/devices/virtio/device.c
index d110946dede..9a35bb8162f 100644
--- a/src/vnet/devices/virtio/device.c
+++ b/src/vnet/devices/virtio/device.c
@@ -168,13 +168,15 @@ virtio_free_used_device_desc (vlib_main_t * vm, virtio_vring_t * vring,
}
static_always_inline void
-set_checksum_offsets (vlib_buffer_t * b, struct virtio_net_hdr_v1 *hdr)
+set_checksum_offsets (vlib_buffer_t * b, struct virtio_net_hdr_v1 *hdr,
+ int is_l2)
{
if (b->flags & VNET_BUFFER_F_IS_IP4)
{
ip4_header_t *ip4;
generic_header_offset_t gho = { 0 };
- vnet_generic_header_offset_parser (b, &gho);
+ vnet_generic_header_offset_parser (b, &gho, is_l2, 1 /* ip4 */ ,
+ 0 /* ip6 */ );
hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
hdr->csum_start = gho.l4_hdr_offset; // 0x22;
if (b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM)
@@ -198,7 +200,8 @@ set_checksum_offsets (vlib_buffer_t * b, struct virtio_net_hdr_v1 *hdr)
else if (b->flags & VNET_BUFFER_F_IS_IP6)
{
generic_header_offset_t gho = { 0 };
- vnet_generic_header_offset_parser (b, &gho);
+ vnet_generic_header_offset_parser (b, &gho, is_l2, 0 /* ip4 */ ,
+ 1 /* ip6 */ );
hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
hdr->csum_start = gho.l4_hdr_offset; // 0x36;
if (b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM)
@@ -213,13 +216,14 @@ set_checksum_offsets (vlib_buffer_t * b, struct virtio_net_hdr_v1 *hdr)
}
static_always_inline void
-set_gso_offsets (vlib_buffer_t * b, struct virtio_net_hdr_v1 *hdr)
+set_gso_offsets (vlib_buffer_t * b, struct virtio_net_hdr_v1 *hdr, int is_l2)
{
if (b->flags & VNET_BUFFER_F_IS_IP4)
{
ip4_header_t *ip4;
generic_header_offset_t gho = { 0 };
- vnet_generic_header_offset_parser (b, &gho);
+ vnet_generic_header_offset_parser (b, &gho, is_l2, 1 /* ip4 */ ,
+ 0 /* ip6 */ );
hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV4;
hdr->gso_size = vnet_buffer2 (b)->gso_size;
hdr->hdr_len = gho.hdr_sz;
@@ -238,7 +242,8 @@ set_gso_offsets (vlib_buffer_t * b, struct virtio_net_hdr_v1 *hdr)
else if (b->flags & VNET_BUFFER_F_IS_IP6)
{
generic_header_offset_t gho = { 0 };
- vnet_generic_header_offset_parser (b, &gho);
+ vnet_generic_header_offset_parser (b, &gho, is_l2, 0 /* ip4 */ ,
+ 1 /* ip6 */ );
hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV6;
hdr->gso_size = vnet_buffer2 (b)->gso_size;
hdr->hdr_len = gho.hdr_sz;
@@ -260,13 +265,14 @@ add_buffer_to_slot (vlib_main_t * vm, virtio_if_t * vif,
d = &vring->desc[next];
vlib_buffer_t *b = vlib_get_buffer (vm, bi);
struct virtio_net_hdr_v1 *hdr = vlib_buffer_get_current (b) - hdr_sz;
+ int is_l2 = (vif->type & (VIRTIO_IF_TYPE_TAP | VIRTIO_IF_TYPE_PCI));
clib_memset (hdr, 0, hdr_sz);
if (b->flags & VNET_BUFFER_F_GSO)
{
if (do_gso)
- set_gso_offsets (b, hdr);
+ set_gso_offsets (b, hdr, is_l2);
else
{
virtio_interface_drop_inline (vm, node_index, &bi, 1,
@@ -278,7 +284,7 @@ add_buffer_to_slot (vlib_main_t * vm, virtio_if_t * vif,
VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))
{
if (csum_offload)
- set_checksum_offsets (b, hdr);
+ set_checksum_offsets (b, hdr, is_l2);
else
{
virtio_interface_drop_inline (vm, node_index, &bi, 1,