From: Akhil Goyal <akhil.go...@nxp.com>
In IPsec-secgw application when TTL is decremented in IP header
before forwarding the packet, checksum needs to be updated.
In this patch an incremental checksum is added.
Other applications(like l3fwd) are also doing so.
Signed-off-by: Akhil Goyal <akhil.goyal at nxp.com>
---
examples/ipsec-secgw/ipip.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/examples/ipsec-secgw/ipip.h b/examples/ipsec-secgw/ipip.h
index ff1dccd..ef059a9 100644
--- a/examples/ipsec-secgw/ipip.h
+++ b/examples/ipsec-secgw/ipip.h
@@ -56,6 +56,7 @@ ipip_outbound(struct rte_mbuf *m, uint32_t offset, uint32_t
is_ipv6,
if (inip4->ip_v == IPVERSION) {
/* XXX This should be done by the forwarding engine instead */
inip4->ip_ttl -= 1;
+ inip4->ip_sum += 1;
ds_ecn = inip4->ip_tos;
} else {
inip6 = (struct ip6_hdr *)inip4;
--
1.9.1
