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Diffstat (limited to 'src/vnet/ipip/node.c')
-rw-r--r--src/vnet/ipip/node.c28
1 files changed, 26 insertions, 2 deletions
diff --git a/src/vnet/ipip/node.c b/src/vnet/ipip/node.c
index 0cea4d50895..cd26b8a8b85 100644
--- a/src/vnet/ipip/node.c
+++ b/src/vnet/ipip/node.c
@@ -158,9 +158,33 @@ ipip_input (vlib_main_t * vm, vlib_node_runtime_t * node,
vnet_buffer (b0)->sw_if_index[VLIB_RX] = tunnel_sw_if_index;
if (inner_protocol0 == IP_PROTOCOL_IPV6)
- next0 = IPIP_INPUT_NEXT_IP6_INPUT;
+ {
+ next0 = IPIP_INPUT_NEXT_IP6_INPUT;
+
+ if (t0->flags & IPIP_TUNNEL_FLAG_DECAP_COPY_ECN)
+ {
+ if (is_ipv6)
+ ip6_set_ecn_network_order ((ip60 + 1),
+ ip6_ecn_network_order (ip60));
+ else
+ ip6_set_ecn_network_order ((ip6_header_t *) (ip40 + 1),
+ ip4_header_get_ecn (ip40));
+ }
+ }
else if (inner_protocol0 == IP_PROTOCOL_IP_IN_IP)
- next0 = IPIP_INPUT_NEXT_IP4_INPUT;
+ {
+ next0 = IPIP_INPUT_NEXT_IP4_INPUT;
+ if (t0->flags & IPIP_TUNNEL_FLAG_DECAP_COPY_ECN)
+ {
+ if (is_ipv6)
+ ip4_header_set_ecn_w_chksum ((ip4_header_t *) (ip60 + 1),
+ ip6_ecn_network_order
+ (ip60));
+ else
+ ip4_header_set_ecn_w_chksum (ip40 + 1,
+ ip4_header_get_ecn (ip40));
+ }
+ }
if (!is_ipv6 && t0->mode == IPIP_MODE_6RD
&& t0->sixrd.security_check)