4 * Copyright (c) 2019 Arrcus Inc and/or its affiliates.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 #include <vnet/vnet.h>
19 #include <vnet/adj/adj.h>
20 #include <vnet/fib/fib_table.h>
21 #include <vnet/plugin/plugin.h>
22 #include <vpp/app/version.h>
23 #include <srv6-mobile/mobile.h>
25 srv6_t_main_v4_dt_t srv6_t_main_v4_dt;
28 clb_dpo_lock_srv6_t_m_gtp4_dt (dpo_id_t * dpo)
33 clb_dpo_unlock_srv6_t_m_gtp4_dt (dpo_id_t * dpo)
38 clb_dpo_format_srv6_t_m_gtp4_dt (u8 * s, va_list * args)
40 index_t index = va_arg (*args, index_t);
41 CLIB_UNUSED (u32 indent) = va_arg (*args, u32);
43 return (format (s, "SR: dynamic_proxy_index:[%u]", index));
46 const static dpo_vft_t dpo_vft = {
47 .dv_lock = clb_dpo_lock_srv6_t_m_gtp4_dt,
48 .dv_unlock = clb_dpo_unlock_srv6_t_m_gtp4_dt,
49 .dv_format = clb_dpo_format_srv6_t_m_gtp4_dt,
52 const static char *const srv6_t_m_gtp4_dt_nodes[] = {
57 const static char *const srv6_t_m_gtp4_dt_v6_nodes[] = {
62 const static char *const *const dpo_nodes[DPO_PROTO_NUM] = {
63 [DPO_PROTO_IP6] = srv6_t_m_gtp4_dt_v6_nodes,
64 [DPO_PROTO_IP4] = srv6_t_m_gtp4_dt_nodes,
67 static u8 fn_name[] = "SRv6-T.M.GTP4.DT-plugin";
68 static u8 keyword_str[] = "t.m.gtp4.dt";
69 static u8 def_str[] = "Transit function with DT for IPv4/GTP tunnel";
70 static u8 param_str[] = "fib-index <index> [local-fib-table <index>]";
73 clb_format_srv6_t_m_gtp4_dt (u8 * s, va_list * args)
75 srv6_t_gtp4_dt_param_t *ls_mem = va_arg (*args, void *);
77 s = format (s, "SRv6 Transit gtp4.dt\n\t");
79 if (ls_mem->type == SRV6_GTP4_DT4)
80 s = format (s, " Type GTP4.DT4 fib-table %u\n", ls_mem->fib4_index);
81 else if (ls_mem->type == SRV6_GTP4_DT6)
82 s = format (s, " Type GTP4.DT6, fib-table %u, local-fib-table %u\n",
83 ls_mem->fib6_index, ls_mem->local_fib_index);
84 else if (ls_mem->type == SRV6_GTP4_DT46)
85 s = format (s, " Type GTP4.DT46, fib-table %u, local-fib-table %u\n",
86 ls_mem->fib6_index, ls_mem->local_fib_index);
94 clb_unformat_srv6_t_m_gtp4_dt (unformat_input_t * input, va_list * args)
96 void **plugin_mem_p = va_arg (*args, void **);
97 srv6_t_gtp4_dt_param_t *ls_mem;
99 u32 local_fib_index = 0;
102 if (unformat (input, "t.m.gtp4.dt4 fib-table %u", &fib_index))
104 type = SRV6_GTP4_DT4;
106 else if (unformat (input, "t.m.gtp4.dt6 fib-table %u local-fib-table %u",
107 &fib_index, &local_fib_index))
109 type = SRV6_GTP4_DT6;
111 else if (unformat (input, "t.m.gtp4.dt46 fib-table %u local-fib-table %u",
112 &fib_index, &local_fib_index))
114 type = SRV6_GTP4_DT46;
121 ls_mem = clib_mem_alloc_aligned_at_offset (sizeof *ls_mem, 0, 0, 1);
122 clib_memset (ls_mem, 0, sizeof *ls_mem);
123 *plugin_mem_p = ls_mem;
125 ls_mem->fib4_index = fib_table_find (FIB_PROTOCOL_IP4, fib_index);
126 ls_mem->fib6_index = fib_table_find (FIB_PROTOCOL_IP6, fib_index);
128 if (type == SRV6_GTP4_DT6 || type == SRV6_GTP4_DT46)
130 ls_mem->local_fib_index =
131 fib_table_find (FIB_PROTOCOL_IP6, local_fib_index);
140 clb_creation_srv6_t_m_gtp4_dt (ip6_sr_policy_t * sr_policy)
146 clb_removal_srv6_t_m_gtp4_dt (ip6_sr_policy_t * sr_policy)
148 srv6_t_gtp4_dt_param_t *ls_mem;
150 ls_mem = (srv6_t_gtp4_dt_param_t *) sr_policy->plugin_mem;
152 clib_mem_free (ls_mem);
157 static clib_error_t *
158 srv6_t_m_gtp4_dt_init (vlib_main_t * vm)
160 srv6_t_main_v4_dt_t *sm = &srv6_t_main_v4_dt;
166 sm->vnet_main = vnet_get_main ();
168 node = vlib_get_node_by_name (vm, (u8 *) "srv6-t-m-gtp4-dt");
169 sm->t_m_gtp4_dt_node_index = node->index;
171 node = vlib_get_node_by_name (vm, (u8 *) "error-drop");
172 sm->error_node_index = node->index;
174 dpo_type = dpo_register_new_type (&dpo_vft, dpo_nodes);
176 rc = sr_policy_register_function (vm, fn_name, keyword_str, def_str, param_str, 128, //prefix len
178 clb_format_srv6_t_m_gtp4_dt,
179 clb_unformat_srv6_t_m_gtp4_dt,
180 clb_creation_srv6_t_m_gtp4_dt,
181 clb_removal_srv6_t_m_gtp4_dt);
183 clib_error_return (0, "SRv6 Transit GTP4.DT Policy function"
184 "couldn't be registered");
189 VNET_FEATURE_INIT (srv6_t_m_gtp4_dt, static) =
191 .arc_name = "ip4-unicast",
192 .node_name = "srv6-t-m-gtp4-dt",
196 VLIB_INIT_FUNCTION (srv6_t_m_gtp4_dt_init);
200 * fd.io coding-style-patch-verification: ON
203 * eval: (c-set-style "gnu")