From: Jakub Grajciar <Jakub.Grajciar@pantheon.tech>
Date: Tue, 14 Nov 2017 13:56:05 +0000 (+0100)
Subject: vnet: af_packet mark l3 offload cksum
X-Git-Tag: v18.04-rc0~251
X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=commitdiff_plain;h=fa600c9169c0d7104af7a9be12a0471a8a8c8262

vnet: af_packet mark l3 offload cksum

Change-Id: I42ee5898e1f775692811eebab11bcfe458f1ec63
Signed-off-by: Jakub Grajciar <Jakub.Grajciar@pantheon.tech>
---

diff --git a/src/vnet/devices/af_packet/node.c b/src/vnet/devices/af_packet/node.c
index b627cfcb036..556d7489725 100644
--- a/src/vnet/devices/af_packet/node.c
+++ b/src/vnet/devices/af_packet/node.c
@@ -115,7 +115,8 @@ mark_tcp_udp_cksum_calc (vlib_buffer_t * b)
     {
       ip4_header_t *ip4 =
 	(vlib_buffer_get_current (b) + sizeof (ethernet_header_t));
-      b->flags |= VNET_BUFFER_F_IS_IP4;
+      b->flags |= VNET_BUFFER_F_IS_IP4 | VNET_BUFFER_F_OFFLOAD_IP_CKSUM;
+      ip4->checksum = 0;
       if (ip4->protocol == IP_PROTOCOL_TCP)
 	{
 	  b->flags |= VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;