diff options
Diffstat (limited to 'src/vnet/lisp-gpe/decap.c')
| -rw-r--r-- | src/vnet/lisp-gpe/decap.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/vnet/lisp-gpe/decap.c b/src/vnet/lisp-gpe/decap.c index 637d4a740c8..5fd449cee9b 100644 --- a/src/vnet/lisp-gpe/decap.c +++ b/src/vnet/lisp-gpe/decap.c @@ -89,6 +89,8 @@ next_index_to_iface (lisp_gpe_main_t * lgm, u32 next_index) return &lgm->l3_ifaces; else if (LISP_GPE_INPUT_NEXT_L2_INPUT == next_index) return &lgm->l2_ifaces; + else if (LISP_GPE_INPUT_NEXT_NSH_INPUT == next_index) + return &lgm->nsh_ifaces; clib_warning ("next_index not associated to an interface!"); return 0; } @@ -492,6 +494,52 @@ VLIB_REGISTER_NODE (lisp_gpe_ip6_input_node) = { }; /* *INDENT-ON* */ +/** + * Adds arc from lisp-gpe-input to nsh-input if nsh-input is available + */ +static void +gpe_add_arc_from_input_to_nsh () +{ + lisp_gpe_main_t *lgm = vnet_lisp_gpe_get_main (); + vlib_main_t *vm = lgm->vlib_main; + vlib_node_t *nsh_input; + + /* Arc already exists */ + if (next_proto_to_next_index[LISP_GPE_NEXT_PROTO_NSH] + != LISP_GPE_INPUT_NEXT_DROP) + return; + + /* Check if nsh-input is available */ + if ((nsh_input = vlib_get_node_by_name (vm, (u8 *) "nsh-input"))) + { + u32 slot4, slot6; + slot4 = vlib_node_add_next_with_slot (vm, lisp_gpe_ip4_input_node.index, + nsh_input->index, + LISP_GPE_NEXT_PROTO_NSH); + slot6 = vlib_node_add_next_with_slot (vm, lisp_gpe_ip6_input_node.index, + nsh_input->index, + LISP_GPE_NEXT_PROTO_NSH); + ASSERT (slot4 == slot6 && slot4 == LISP_GPE_INPUT_NEXT_NSH_INPUT); + + next_proto_to_next_index[LISP_GPE_NEXT_PROTO_NSH] = slot4; + } +} + +/** GPE decap init function. */ +clib_error_t * +gpe_decap_init (vlib_main_t * vm) +{ + clib_error_t *error = 0; + + if ((error = vlib_call_init_function (vm, lisp_gpe_init))) + return error; + + gpe_add_arc_from_input_to_nsh (); + return 0; +} + +VLIB_INIT_FUNCTION (gpe_decap_init); + /* * fd.io coding-style-patch-verification: ON * |