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authorMohsin Kazmi <sykazmi@cisco.com>2019-10-22 13:33:13 +0200
committerAndrew Yourtchenko <ayourtch@gmail.com>2019-12-05 00:44:06 +0000
commit72e7312af04bf8f6ecbc8ce70fe1a6e2ad8852ec (patch)
tree67343be3386884743d6a079a9b9d54738971f420 /src/vnet/interface_output.c
parent1043fd38d83434d6c4e002c5354a30027988fbfa (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.c13
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;