From fdbc38249a8c672937a74667dcfaafa2cfd292e7 Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Thu, 27 Jul 2017 00:34:12 -0700 Subject: 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 --- src/vnet/ip/ip4.h | 5 +++-- src/vnet/ip/ip6.h | 1 + 2 files changed, 4 insertions(+), 2 deletions(-) (limited to 'src/vnet/ip') 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; } -- cgit 1.2.3-korg