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-rw-r--r--src/plugins/linux-cp/lcp_node.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/src/plugins/linux-cp/lcp_node.c b/src/plugins/linux-cp/lcp_node.c
index 3a88c3b0a52..b00049884ea 100644
--- a/src/plugins/linux-cp/lcp_node.c
+++ b/src/plugins/linux-cp/lcp_node.c
@@ -439,6 +439,7 @@ VNET_FEATURE_INIT (lcp_xc_ip6_mcast_node, static) = {
typedef enum
{
LCP_XC_L3_NEXT_XC,
+ LCP_XC_L3_NEXT_LOOKUP,
LCP_XC_L3_N_NEXT,
} lcp_xc_l3_next_t;
@@ -453,6 +454,7 @@ lcp_xc_l3_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
{
u32 n_left_from, *from, *to_next, n_left_to_next;
lcp_xc_next_t next_index;
+ vnet_main_t *vnm = vnet_get_main ();
next_index = 0;
n_left_from = frame->n_vectors;
@@ -488,10 +490,24 @@ lcp_xc_l3_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
lcp_itf_pair_find_by_host (vnet_buffer (b0)->sw_if_index[VLIB_RX]);
lip = lcp_itf_pair_get (lipi);
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = lip->lip_phy_sw_if_index;
- next0 = LCP_XC_L3_NEXT_XC;
- vnet_buffer (b0)->ip.adj_index[VLIB_TX] =
- lip->lip_phy_adjs.adj_index[af];
+ /* P2P tunnels can use generic adjacency */
+ if (PREDICT_TRUE (
+ vnet_sw_interface_is_p2p (vnm, lip->lip_phy_sw_if_index)))
+ {
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] =
+ lip->lip_phy_sw_if_index;
+ vnet_buffer (b0)->ip.adj_index[VLIB_TX] =
+ lip->lip_phy_adjs.adj_index[af];
+ next0 = LCP_XC_L3_NEXT_XC;
+ }
+ /* P2MP tunnels require a fib lookup to find the right adjacency */
+ else
+ {
+ /* lookup should use FIB table associated with phy interface */
+ vnet_buffer (b0)->sw_if_index[VLIB_RX] =
+ lip->lip_phy_sw_if_index;
+ next0 = LCP_XC_L3_NEXT_LOOKUP;
+ }
if (PREDICT_FALSE ((b0->flags & VLIB_BUFFER_IS_TRACED)))
{
@@ -534,6 +550,7 @@ VLIB_REGISTER_NODE (lcp_xc_l3_ip4_node) = {
.n_next_nodes = LCP_XC_L3_N_NEXT,
.next_nodes = {
[LCP_XC_L3_NEXT_XC] = "ip4-midchain",
+ [LCP_XC_L3_NEXT_LOOKUP] = "ip4-lookup",
},
};
@@ -556,6 +573,7 @@ VLIB_REGISTER_NODE (lcp_xc_l3_ip6_node) = {
.n_next_nodes = LCP_XC_L3_N_NEXT,
.next_nodes = {
[LCP_XC_L3_NEXT_XC] = "ip6-midchain",
+ [LCP_XC_L3_NEXT_LOOKUP] = "ip6-lookup",
},
};