diff options
| author |   Mohsin Kazmi <sykazmi@cisco.com> | 2019-10-22 13:33:13 +0200 |
|---|---|---|
| committer |   Andrew Yourtchenko <ayourtch@gmail.com> | 2019-12-05 00:44:06 +0000 |
| commit | 72e7312af04bf8f6ecbc8ce70fe1a6e2ad8852ec (patch) | |
| tree | 67343be3386884743d6a079a9b9d54738971f420 /src/vnet/interface_output.c | |
| parent | 1043fd38d83434d6c4e002c5354a30027988fbfa (diff) | |
gso: add protocol header parser
Type: feature
Change-Id: I7c6be2b96d19f82be237f6159944f3164ea512d0
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'src/vnet/interface_output.c')
| -rw-r--r-- | src/vnet/interface_output.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/vnet/interface_output.c b/src/vnet/interface_output.c index 49775d58d80..73c7a31f010 100644 --- a/src/vnet/interface_output.c +++ b/src/vnet/interface_output.c @@ -38,6 +38,7 @@ */ #include <vnet/vnet.h> +#include <vnet/gso/gso.h> #include <vnet/ip/icmp46_packet.h> #include <vnet/ip/ip4.h> #include <vnet/ip/ip6.h> @@ -163,20 +164,23 @@ calc_checksums (vlib_main_t * vm, vlib_buffer_t * b) { tcp_header_t *th; udp_header_t *uh; + gso_header_offset_t gho = { 0 }; int is_ip4 = (b->flags & VNET_BUFFER_F_IS_IP4) != 0; int is_ip6 = (b->flags & VNET_BUFFER_F_IS_IP6) != 0; ASSERT (!(is_ip4 && is_ip6)); - th = (tcp_header_t *) (b->data + vnet_buffer (b)->l4_hdr_offset); - uh = (udp_header_t *) (b->data + vnet_buffer (b)->l4_hdr_offset); + gho = vnet_gso_header_offset_parser (b, is_ip6); + th = (tcp_header_t *) (vlib_buffer_get_current (b) + gho.l4_hdr_offset); + uh = (udp_header_t *) (vlib_buffer_get_current (b) + gho.l4_hdr_offset); if (is_ip4) { ip4_header_t *ip4; - ip4 = (ip4_header_t *) (b->data + vnet_buffer (b)->l3_hdr_offset); + ip4 = + (ip4_header_t *) (vlib_buffer_get_current (b) + gho.l3_hdr_offset); if (b->flags & VNET_BUFFER_F_OFFLOAD_IP_CKSUM) ip4->checksum = ip4_header_checksum (ip4); if (b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM) @@ -192,7 +196,8 @@ calc_checksums (vlib_main_t * vm, vlib_buffer_t * b) int bogus; ip6_header_t *ip6; - ip6 = (ip6_header_t *) (b->data + vnet_buffer (b)->l3_hdr_offset); + ip6 = + (ip6_header_t *) (vlib_buffer_get_current (b) + gho.l3_hdr_offset); if (b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM) { th->checksum = 0; |