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authorFlorin Coras <fcoras@cisco.com>2017-07-27 00:34:12 -0700
committerDave Barach <openvpp@barachs.net>2017-08-02 00:03:45 +0000
commitfdbc38249a8c672937a74667dcfaafa2cfd292e7 (patch)
tree266d4b90330e508163c560ba01226c3248d5a39c /src/vnet/ip
parenta0a908f1dfb679c384ab34ee3c1a2a63ba2448df (diff)
Make ip csum configurable in vlib buffer functions
Also fixes csum computation for lisp control plane 4o6 encapsulated control messages. Change-Id: I991e0b5c0d16dc51e0b5bdc79e1d752270b34765 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/ip')
-rw-r--r--src/vnet/ip/ip4.h5
-rw-r--r--src/vnet/ip/ip6.h1
2 files changed, 4 insertions, 2 deletions
diff --git a/src/vnet/ip/ip4.h b/src/vnet/ip/ip4.h
index 872b516cfa9..8f9a8e27bf5 100644
--- a/src/vnet/ip/ip4.h
+++ b/src/vnet/ip/ip4.h
@@ -329,7 +329,8 @@ u32 ip4_tcp_udp_validate_checksum (vlib_main_t * vm, vlib_buffer_t * p0);
*/
always_inline void *
vlib_buffer_push_ip4 (vlib_main_t * vm, vlib_buffer_t * b,
- ip4_address_t * src, ip4_address_t * dst, int proto)
+ ip4_address_t * src, ip4_address_t * dst, int proto,
+ u8 csum_offload)
{
ip4_header_t *ih;
@@ -348,7 +349,7 @@ vlib_buffer_push_ip4 (vlib_main_t * vm, vlib_buffer_t * b,
ih->dst_address.as_u32 = dst->as_u32;
/* Offload ip4 header checksum generation */
- if (1)
+ if (csum_offload)
{
ih->checksum = 0;
b->flags |= VNET_BUFFER_F_OFFLOAD_IP_CKSUM | VNET_BUFFER_F_IS_IP4;
diff --git a/src/vnet/ip/ip6.h b/src/vnet/ip/ip6.h
index cf52994e720..fa922725d4a 100644
--- a/src/vnet/ip/ip6.h
+++ b/src/vnet/ip/ip6.h
@@ -576,6 +576,7 @@ vlib_buffer_push_ip6 (vlib_main_t * vm, vlib_buffer_t * b,
sizeof (ip6h->src_address));
clib_memcpy (ip6h->dst_address.as_u8, dst->as_u8,
sizeof (ip6h->src_address));
+ b->flags |= VNET_BUFFER_F_IS_IP6;
return ip6h;
}