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authorJakub Grajciar <Jakub.Grajciar@pantheon.tech>2017-10-30 14:56:17 +0100
committerFlorin Coras <florin.coras@gmail.com>2017-11-03 14:55:14 +0000
commit96be8e88109b3e166b76f58e552dbe438d73bb73 (patch)
treee52ae6fe6cddc070a21b0fe0bf5955ea80c88d1b /src/vnet/ip/ip6_forward.c
parent0dc11a11207d64a81f937cde0d38a80629b937e2 (diff)
vnet: ip4/6_local->don't drop packet if marked for TCP/UDP offload cksum calculation
Change-Id: I62f625a93e5d818caef382316035cd5447bd8fef Signed-off-by: Jakub Grajciar <Jakub.Grajciar@pantheon.tech>
Diffstat (limited to 'src/vnet/ip/ip6_forward.c')
-rw-r--r--src/vnet/ip/ip6_forward.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/src/vnet/ip/ip6_forward.c b/src/vnet/ip/ip6_forward.c
index 6b89ec38aae..7a8b5ed2d98 100644
--- a/src/vnet/ip/ip6_forward.c
+++ b/src/vnet/ip/ip6_forward.c
@@ -1341,8 +1341,14 @@ ip6_local_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
is_tcp_udp0 = ip6_next_proto_is_tcp_udp (p0, ip0, &udp_offset0);
is_tcp_udp1 = ip6_next_proto_is_tcp_udp (p1, ip1, &udp_offset1);
- good_l4_csum0 = (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
- good_l4_csum1 = (flags1 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
+ good_l4_csum0 = (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT
+ && !(flags0 & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
+ || flags0 & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))
+ != 0;
+ good_l4_csum1 = (flags1 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT
+ && !(flags1 & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
+ || flags1 & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))
+ != 0;
len_diff0 = 0;
len_diff1 = 0;
@@ -1506,7 +1512,10 @@ ip6_local_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
type0 = lm->builtin_protocol_by_ip_protocol[ip0->protocol];
flags0 = p0->flags;
is_tcp_udp0 = ip6_next_proto_is_tcp_udp (p0, ip0, &udp_offset0);
- good_l4_csum0 = (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
+ good_l4_csum0 = (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT
+ && !(flags0 & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
+ || flags0 & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))
+ != 0;
len_diff0 = 0;
if (PREDICT_TRUE (is_tcp_udp0))