1/*
2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <vnet/dpo/dpo.h>
17#include <vnet/lisp-gpe/lisp_gpe.h>
18#include <vnet/lisp-cp/control.h>
19
20/**
21 * The static array of LISP punt DPOs
22 */
23static dpo_id_t lisp_cp_dpos[DPO_PROTO_NUM];
24
25const dpo_id_t *
26lisp_cp_dpo_get (dpo_proto_t proto)
27{
28  /*
29   * there are only two instances of this DPO type.
30   * we can use the protocol as the index
31   */
32  return (&lisp_cp_dpos[proto]);
33}
34
35static u8 *
36format_lisp_cp_dpo (u8 * s, va_list * args)
37{
38  index_t index = va_arg (*args, index_t);
39  CLIB_UNUSED (u32 indent) = va_arg (*args, u32);
40
41  return (format (s, "lisp-cp-punt-%U", format_dpo_proto, index));
42}
43
44static void
45lisp_cp_dpo_lock (dpo_id_t * dpo)
46{
47}
48
49static void
50lisp_cp_dpo_unlock (dpo_id_t * dpo)
51{
52}
53
54const static dpo_vft_t lisp_cp_vft = {
55  .dv_lock = lisp_cp_dpo_lock,
56  .dv_unlock = lisp_cp_dpo_unlock,
57  .dv_format = format_lisp_cp_dpo,
58};
59
60/**
61 * @brief The per-protocol VLIB graph nodes that are assigned to a LISP-CP
62 *        object.
63 *
64 * this means that these graph nodes are ones from which a LISP-CP is the
65 * parent object in the DPO-graph.
66 */
67const static char *const lisp_cp_ip4_nodes[] = {
68  "lisp-cp-lookup-ip4",
69  NULL,
70};
71
72const static char *const lisp_cp_ip6_nodes[] = {
73  "lisp-cp-lookup-ip6",
74  NULL,
75};
76
77const static char *const lisp_cp_ethernet_nodes[] = {
78  "lisp-cp-lookup-l2",
79  NULL,
80};
81
82const static char *const lisp_cp_nsh_nodes[] = {
83  "lisp-cp-lookup-nsh",
84  NULL,
85};
86
87const static char *const *const lisp_cp_nodes[DPO_PROTO_NUM] = {
88  [DPO_PROTO_IP4] = lisp_cp_ip4_nodes,
89  [DPO_PROTO_IP6] = lisp_cp_ip6_nodes,
90  [DPO_PROTO_ETHERNET] = lisp_cp_ethernet_nodes,
91  [DPO_PROTO_MPLS] = NULL,
92  [DPO_PROTO_NSH] = lisp_cp_nsh_nodes,
93};
94
95clib_error_t *
96lisp_cp_dpo_module_init (vlib_main_t * vm)
97{
98  dpo_proto_t dproto;
99
100  /*
101   * there are no exit arcs from the LIS-CP VLIB node, so we
102   * pass NULL as said node array.
103   */
104  dpo_register (DPO_LISP_CP, &lisp_cp_vft, lisp_cp_nodes);
105
106  FOR_EACH_DPO_PROTO (dproto)
107  {
108    dpo_set (&lisp_cp_dpos[dproto], DPO_LISP_CP, dproto, dproto);
109  }
110
111  return (NULL);
112}
113
114VLIB_INIT_FUNCTION (lisp_cp_dpo_module_init);
115
116/*
117 * fd.io coding-style-patch-verification: ON
118 *
119 * Local Variables:
120 * eval: (c-set-style "gnu")
121 * End:
122 */
123