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 vl_api_registration_t *rp;
77 rp = vl_api_client_index_to_registration (mp->client_index);
81 rmp = vl_msg_api_alloc (sizeof (*rmp));
83 ntohs (VL_API_ABF_PLUGIN_GET_VERSION_REPLY + abf_base_msg_id);
84 rmp->context = mp->context;
85 rmp->major = htonl (ABF_PLUGIN_VERSION_MAJOR);
86 rmp->minor = htonl (ABF_PLUGIN_VERSION_MINOR);
88 vl_api_send_msg (rp, (u8 *) rmp);
92 vl_api_abf_policy_add_del_t_handler (vl_api_abf_policy_add_del_t * mp)
94 vl_api_abf_policy_add_del_reply_t *rmp;
95 fib_route_path_t *paths = NULL, *path;
99 vec_validate (paths, mp->policy.n_paths - 1);
101 for (pi = 0; pi < mp->policy.n_paths; pi++)
104 rv = fib_path_api_parse (&mp->policy.paths[pi], path);
114 rv = abf_policy_update (ntohl (mp->policy.policy_id),
115 ntohl (mp->policy.acl_index), paths);
119 rv = abf_policy_delete (ntohl (mp->policy.policy_id), paths);
124 REPLY_MACRO (VL_API_ABF_POLICY_ADD_DEL_REPLY + abf_base_msg_id);
128 vl_api_abf_itf_attach_add_del_t_handler (vl_api_abf_itf_attach_add_del_t * mp)
130 vl_api_abf_itf_attach_add_del_reply_t *rmp;
131 fib_protocol_t fproto = (mp->attach.is_ipv6 ?
132 FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
137 abf_itf_attach (fproto,
138 ntohl (mp->attach.policy_id),
139 ntohl (mp->attach.priority),
140 ntohl (mp->attach.sw_if_index));
144 abf_itf_detach (fproto,
145 ntohl (mp->attach.policy_id),
146 ntohl (mp->attach.sw_if_index));
149 REPLY_MACRO (VL_API_ABF_ITF_ATTACH_ADD_DEL_REPLY + abf_base_msg_id);
152 typedef struct abf_dump_walk_ctx_t_
154 vl_api_registration_t *rp;
156 } abf_dump_walk_ctx_t;
159 abf_policy_send_details (u32 api, void *args)
161 fib_route_path_encode_t *api_rpaths = NULL, *api_rpath;
162 vl_api_abf_policy_details_t *mp;
163 abf_dump_walk_ctx_t *ctx;
164 vl_api_fib_path_t *fp;
170 ap = abf_policy_get (api);
171 n_paths = fib_path_list_get_n_paths (ap->ap_pl);
172 msg_size = sizeof (*mp) + sizeof (mp->policy.paths[0]) * n_paths;
174 mp = vl_msg_api_alloc (msg_size);
175 clib_memset (mp, 0, msg_size);
176 mp->_vl_msg_id = ntohs (VL_API_ABF_POLICY_DETAILS + abf_base_msg_id);
178 /* fill in the message */
179 mp->context = ctx->context;
180 mp->policy.n_paths = n_paths;
181 mp->policy.acl_index = htonl (ap->ap_acl);
182 mp->policy.policy_id = htonl (ap->ap_id);
184 fib_path_list_walk_w_ext (ap->ap_pl, NULL, fib_path_encode, &api_rpaths);
186 fp = mp->policy.paths;
187 vec_foreach (api_rpath, api_rpaths)
189 fib_api_path_encode (api_rpath, fp);
193 vl_api_send_msg (ctx->rp, (u8 *) mp);
199 vl_api_abf_policy_dump_t_handler (vl_api_abf_policy_dump_t * mp)
201 vl_api_registration_t *rp;
203 rp = vl_api_client_index_to_registration (mp->client_index);
207 abf_dump_walk_ctx_t ctx = {
209 .context = mp->context,
212 abf_policy_walk (abf_policy_send_details, &ctx);
216 abf_itf_attach_send_details (u32 aiai, void *args)
218 vl_api_abf_itf_attach_details_t *mp;
219 abf_dump_walk_ctx_t *ctx;
220 abf_itf_attach_t *aia;
224 aia = abf_itf_attach_get (aiai);
225 ap = abf_policy_get (aia->aia_abf);
227 mp = vl_msg_api_alloc (sizeof (*mp));
228 mp->_vl_msg_id = ntohs (VL_API_ABF_ITF_ATTACH_DETAILS + abf_base_msg_id);
230 mp->context = ctx->context;
231 mp->attach.policy_id = htonl (ap->ap_id);
232 mp->attach.sw_if_index = htonl (aia->aia_sw_if_index);
233 mp->attach.priority = htonl (aia->aia_prio);
234 mp->attach.is_ipv6 = (aia->aia_proto == FIB_PROTOCOL_IP6);
236 vl_api_send_msg (ctx->rp, (u8 *) mp);
242 vl_api_abf_itf_attach_dump_t_handler (vl_api_abf_itf_attach_dump_t * mp)
244 vl_api_registration_t *rp;
246 rp = vl_api_client_index_to_registration (mp->client_index);
250 abf_dump_walk_ctx_t ctx = {
252 .context = mp->context,
255 abf_itf_attach_walk (abf_itf_attach_send_details, &ctx);
258 #define vl_msg_name_crc_list
259 #include <abf/abf_all_api_h.h>
260 #undef vl_msg_name_crc_list
262 /* Set up the API message handling tables */
263 static clib_error_t *
264 abf_plugin_api_hookup (vlib_main_t * vm)
267 vl_msg_api_set_handlers((VL_API_##N + abf_base_msg_id), \
269 vl_api_##n##_t_handler, \
271 vl_api_##n##_t_endian, \
272 vl_api_##n##_t_print, \
273 sizeof(vl_api_##n##_t), 1);
274 foreach_abf_plugin_api_msg;
281 setup_message_id_table (api_main_t * apim)
283 #define _(id,n,crc) \
284 vl_msg_api_add_msg_name_crc (apim, #n "_" #crc, id + abf_base_msg_id);
285 foreach_vl_msg_name_crc_abf;
289 static clib_error_t *
290 abf_api_init (vlib_main_t * vm)
292 clib_error_t *error = 0;
294 u8 *name = format (0, "abf_%08x%c", api_version, 0);
296 /* Ask for a correctly-sized block of API message decode slots */
297 abf_base_msg_id = vl_msg_api_get_msg_ids ((char *) name,
298 VL_MSG_FIRST_AVAILABLE);
300 error = abf_plugin_api_hookup (vm);
302 /* Add our API messages to the global name_crc hash table */
303 setup_message_id_table (&api_main);
310 VLIB_INIT_FUNCTION (abf_api_init);
313 VLIB_PLUGIN_REGISTER () = {
314 .version = VPP_BUILD_VER,
315 .description = "Access Control List (ACL) Based Forwarding",
320 * fd.io coding-style-patch-verification: ON
323 * eval: (c-set-style "gnu")