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:
7 * http://www.apache.org/licenses/LICENSE-2.0
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.
18 #include <vnet/vnet.h>
19 #include <vnet/plugin/plugin.h>
20 #include <abf/abf_policy.h>
21 #include <abf/abf_itf_attach.h>
22 #include <vnet/mpls/mpls_types.h>
23 #include <vnet/fib/fib_path_list.h>
24 #include <vnet/fib/fib_api.h>
26 #include <vpp/app/version.h>
28 #include <vlibapi/api.h>
29 #include <vlibmemory/api.h>
31 /* define message IDs */
32 #include <abf/abf_msg_enum.h>
34 /* define message structures */
36 #include <abf/abf_all_api_h.h>
39 /* define generated endian-swappers */
41 #include <abf/abf_all_api_h.h>
44 /* instantiate all the print functions we know about */
45 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
47 #include <abf/abf_all_api_h.h>
50 /* Get the API version number */
51 #define vl_api_version(n,v) static u32 api_version=(v);
52 #include <abf/abf_all_api_h.h>
56 * Base message ID fot the plugin
58 static u32 abf_base_msg_id;
60 #include <vlibapi/api_helper_macros.h>
62 /* List of message types that this plugin understands */
64 #define foreach_abf_plugin_api_msg \
65 _(ABF_PLUGIN_GET_VERSION, abf_plugin_get_version) \
66 _(ABF_POLICY_ADD_DEL, abf_policy_add_del) \
67 _(ABF_POLICY_DUMP, abf_policy_dump) \
68 _(ABF_ITF_ATTACH_ADD_DEL, abf_itf_attach_add_del) \
69 _(ABF_ITF_ATTACH_DUMP, abf_itf_attach_dump)
72 vl_api_abf_plugin_get_version_t_handler (vl_api_abf_plugin_get_version_t * mp)
74 vl_api_abf_plugin_get_version_reply_t *rmp;
75 int msg_size = sizeof (*rmp);
76 unix_shared_memory_queue_t *q;
78 q = vl_api_client_index_to_input_queue (mp->client_index);
84 rmp = vl_msg_api_alloc (msg_size);
85 memset (rmp, 0, msg_size);
87 ntohs (VL_API_ABF_PLUGIN_GET_VERSION_REPLY + abf_base_msg_id);
88 rmp->context = mp->context;
89 rmp->major = htonl (ABF_PLUGIN_VERSION_MAJOR);
90 rmp->minor = htonl (ABF_PLUGIN_VERSION_MINOR);
92 vl_msg_api_send_shmem (q, (u8 *) & rmp);
96 vl_api_abf_policy_add_del_t_handler (vl_api_abf_policy_add_del_t * mp)
98 vl_api_abf_policy_add_del_reply_t *rmp;
99 fib_route_path_t *paths = NULL, *path;
103 vec_validate (paths, mp->policy.n_paths - 1);
105 for (pi = 0; pi < mp->policy.n_paths; pi++)
108 rv = fib_path_api_parse (&mp->policy.paths[pi], path);
118 abf_policy_update (ntohl (mp->policy.policy_id),
119 ntohl (mp->policy.acl_index), paths);
123 abf_policy_delete (ntohl (mp->policy.policy_id), paths);
128 REPLY_MACRO (VL_API_ABF_POLICY_ADD_DEL_REPLY + abf_base_msg_id);
132 vl_api_abf_itf_attach_add_del_t_handler (vl_api_abf_itf_attach_add_del_t * mp)
134 vl_api_abf_itf_attach_add_del_reply_t *rmp;
135 fib_protocol_t fproto = (mp->attach.is_ipv6 ?
136 FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
141 abf_itf_attach (fproto,
142 ntohl (mp->attach.policy_id),
143 ntohl (mp->attach.priority),
144 ntohl (mp->attach.sw_if_index));
148 abf_itf_detach (fproto,
149 ntohl (mp->attach.policy_id),
150 ntohl (mp->attach.sw_if_index));
153 REPLY_MACRO (VL_API_ABF_ITF_ATTACH_ADD_DEL_REPLY + abf_base_msg_id);
156 typedef struct abf_dump_walk_ctx_t_
158 unix_shared_memory_queue_t *q;
160 } abf_dump_walk_ctx_t;
163 abf_policy_send_details (u32 api, void *args)
165 fib_route_path_encode_t *api_rpaths = NULL, *api_rpath;
166 vl_api_abf_policy_details_t *mp;
167 abf_dump_walk_ctx_t *ctx;
168 vl_api_fib_path_t *fp;
174 ap = abf_policy_get (api);
175 n_paths = fib_path_list_get_n_paths (ap->ap_pl);
176 msg_size = sizeof (*mp) + sizeof (mp->policy.paths[0]) * n_paths;
178 mp = vl_msg_api_alloc (msg_size);
179 memset (mp, 0, msg_size);
180 mp->_vl_msg_id = ntohs (VL_API_ABF_POLICY_DETAILS + abf_base_msg_id);
182 /* fill in the message */
183 mp->context = ctx->context;
184 mp->policy.n_paths = n_paths;
185 mp->policy.acl_index = htonl (ap->ap_acl);
186 mp->policy.policy_id = htonl (ap->ap_id);
188 fib_path_list_walk (ap->ap_pl, fib_path_encode, &api_rpaths);
190 fp = mp->policy.paths;
191 vec_foreach (api_rpath, api_rpaths)
193 fib_api_path_encode (api_rpath, fp);
197 vl_msg_api_send_shmem (ctx->q, (u8 *) & mp);
203 vl_api_abf_policy_dump_t_handler (vl_api_abf_policy_dump_t * mp)
205 unix_shared_memory_queue_t *q;
207 q = vl_api_client_index_to_input_queue (mp->client_index);
213 abf_dump_walk_ctx_t ctx = {
215 .context = mp->context,
218 abf_policy_walk (abf_policy_send_details, &ctx);
222 abf_itf_attach_send_details (u32 aiai, void *args)
224 vl_api_abf_itf_attach_details_t *mp;
225 abf_dump_walk_ctx_t *ctx;
226 abf_itf_attach_t *aia;
230 aia = abf_itf_attach_get (aiai);
231 ap = abf_policy_get (aia->aia_abf);
233 mp = vl_msg_api_alloc (sizeof (*mp));
234 mp->_vl_msg_id = ntohs (VL_API_ABF_ITF_ATTACH_DETAILS + abf_base_msg_id);
236 mp->context = ctx->context;
237 mp->attach.policy_id = htonl (ap->ap_id);
238 mp->attach.sw_if_index = htonl (aia->aia_sw_if_index);
239 mp->attach.priority = htonl (aia->aia_prio);
240 mp->attach.is_ipv6 = (aia->aia_proto == FIB_PROTOCOL_IP6);
242 vl_msg_api_send_shmem (ctx->q, (u8 *) & mp);
248 vl_api_abf_itf_attach_dump_t_handler (vl_api_abf_itf_attach_dump_t * mp)
250 unix_shared_memory_queue_t *q;
252 q = vl_api_client_index_to_input_queue (mp->client_index);
258 abf_dump_walk_ctx_t ctx = {
260 .context = mp->context,
263 abf_itf_attach_walk (abf_itf_attach_send_details, &ctx);
266 #define vl_msg_name_crc_list
267 #include <abf/abf_all_api_h.h>
268 #undef vl_msg_name_crc_list
270 /* Set up the API message handling tables */
271 static clib_error_t *
272 abf_plugin_api_hookup (vlib_main_t * vm)
275 vl_msg_api_set_handlers((VL_API_##N + abf_base_msg_id), \
277 vl_api_##n##_t_handler, \
279 vl_api_##n##_t_endian, \
280 vl_api_##n##_t_print, \
281 sizeof(vl_api_##n##_t), 1);
282 foreach_abf_plugin_api_msg;
289 setup_message_id_table (api_main_t * apim)
291 #define _(id,n,crc) \
292 vl_msg_api_add_msg_name_crc (apim, #n "_" #crc, id + abf_base_msg_id);
293 foreach_vl_msg_name_crc_abf;
297 static clib_error_t *
298 abf_api_init (vlib_main_t * vm)
300 clib_error_t *error = 0;
302 u8 *name = format (0, "abf_%08x%c", api_version, 0);
304 /* Ask for a correctly-sized block of API message decode slots */
305 abf_base_msg_id = vl_msg_api_get_msg_ids ((char *) name,
306 VL_MSG_FIRST_AVAILABLE);
308 error = abf_plugin_api_hookup (vm);
310 /* Add our API messages to the global name_crc hash table */
311 setup_message_id_table (&api_main);
318 VLIB_INIT_FUNCTION (abf_api_init);
321 VLIB_PLUGIN_REGISTER () = {
322 .version = VPP_BUILD_VER,
323 .description = "ACL based Forwarding",
328 * fd.io coding-style-patch-verification: ON
331 * eval: (c-set-style "gnu")