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Backport https://gerrit.fd.io/r/c/vpp/+/36814

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This commit is contained in:
Pim van Pelt
2022-10-04 13:16:30 +00:00
parent a4006ec5da
commit 7027bf6250
1 changed files with 22 additions and 4 deletions
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26
lcpng_if_node.c
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@ -441,6 +441,7 @@ 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;
@ -455,6 +456,7 @@ 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;
@ -490,10 +492,24 @@ 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)))
{
@ -537,6 +553,7 @@ VLIB_REGISTER_NODE(lcp_xc_l3_ip4_node) = {
.next_nodes =
{
[LCP_XC_L3_NEXT_XC] = "ip4-midchain",
[LCP_XC_L3_NEXT_LOOKUP] = "ip4-lookup",
},
};
@ -560,6 +577,7 @@ VLIB_REGISTER_NODE(lcp_xc_l3_ip6_node) = {
.next_nodes =
{
[LCP_XC_L3_NEXT_XC] = "ip6-midchain",
[LCP_XC_L3_NEXT_LOOKUP] = "ip6-lookup",
},
};