*/
#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>
{
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)
th->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4);
}
else if (b->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM)
- uh->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4);
+ {
+ uh->checksum = 0;
+ uh->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4);
+ }
}
else if (is_ip6)
{
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;