diff options
Diffstat (limited to 'src/vnet/devices/virtio')
| -rw-r--r-- | src/vnet/devices/virtio/device.c | 22 | ||||
| -rw-r--r-- | src/vnet/devices/virtio/vhost_user_output.c | 10 |
2 files changed, 21 insertions, 11 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, 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; |