ligang/vpp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix IP checksum offload metadata setup

Browse Source 
Change-Id: Idf4f8b02337551670d6b7ce1a03799de9c53d19a
Signed-off-by: Dave Barach <dave@barachs.net>
This commit is contained in:
Dave Barach
2017-07-19 08:48:09 -04:00
committed by Damjan Marion
parent 60c1223acb
commit c4423229e2
1 changed files with 12 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/vnet/ip/ip4.h
View File

@ -347,8 +347,18 @@ vlib_buffer_push_ip4 (vlib_main_t * vm, vlib_buffer_t * b,
ih->src_address.as_u32 = src->as_u32;
ih->dst_address.as_u32 = dst->as_u32;
ih->checksum = 0;
b->flags |= VNET_BUFFER_F_OFFLOAD_IP_CKSUM | VNET_BUFFER_F_IS_IP4;
/* Offload ip4 header checksum generation */
if (1)
{
ih->checksum = 0;
b->flags |= VNET_BUFFER_F_OFFLOAD_IP_CKSUM | VNET_BUFFER_F_IS_IP4;
vnet_buffer (b)->l3_hdr_offset = (u8 *) ih - b->data;
vnet_buffer (b)->l4_hdr_offset = vnet_buffer (b)->l3_hdr_offset +
sizeof (*ih);
}
else
ih->checksum = ip4_header_checksum (ih);
return ih;
}
#endif /* included_ip_ip4_h */