2 *------------------------------------------------------------------
3 * Copyright (c) 2017 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *------------------------------------------------------------------
18 #include <igmp/igmp.h>
20 #include <vlibapi/api.h>
21 #include <vlibmemory/api.h>
23 /* define message IDs */
24 #include <igmp/igmp_msg_enum.h>
26 /* define message structures */
28 #include <igmp/igmp_all_api_h.h>
31 /* define generated endian-swappers */
33 #include <igmp/igmp_all_api_h.h>
36 /* instantiate all the print functions we know about */
37 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
39 #include <igmp/igmp_all_api_h.h>
42 /* Get the API version number */
43 #define vl_api_version(n,v) static u32 api_version=(v);
44 #include <igmp/igmp_all_api_h.h>
47 #include <vlibapi/api_helper_macros.h>
49 #define foreach_igmp_plugin_api_msg \
50 _(IGMP_LISTEN, igmp_listen) \
51 _(IGMP_ENABLE_DISABLE, igmp_enable_disable) \
52 _(IGMP_DUMP, igmp_dump) \
53 _(IGMP_CLEAR_INTERFACE, igmp_clear_interface) \
54 _(WANT_IGMP_EVENTS, want_igmp_events) \
57 vl_api_igmp_listen_t_handler (vl_api_igmp_listen_t * mp)
59 vlib_main_t *vm = vlib_get_main ();
60 vnet_main_t *vnm = vnet_get_main ();
61 igmp_main_t *im = &igmp_main;
62 vl_api_igmp_listen_reply_t *rmp;
64 ip46_address_t saddr, gaddr;
66 if (!vnet_sw_interface_is_api_valid (vnm, ntohl (mp->sw_if_index)))
68 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
72 if ((vnet_sw_interface_get_flags (vnm, ntohl (mp->sw_if_index)) &&
73 VNET_SW_INTERFACE_FLAG_ADMIN_UP) == 0)
75 rv = VNET_API_ERROR_UNEXPECTED_INTF_STATE;
79 clib_memcpy (&saddr.ip4.as_u8, mp->saddr, sizeof (u8) * 4);
80 clib_memcpy (&gaddr.ip4.as_u8, mp->gaddr, sizeof (u8) * 4);
83 igmp_listen (vm, mp->enable, ntohl (mp->sw_if_index), saddr, gaddr,
84 IGMP_CONFIG_FLAG_CLI_API_CONFIGURED);
87 unix_shared_memory_queue_t *q =
88 vl_api_client_index_to_input_queue (mp->client_index);
92 rmp = vl_msg_api_alloc (sizeof (*rmp));
93 rmp->_vl_msg_id = htons ((VL_API_IGMP_LISTEN_REPLY) + im->msg_id_base);
94 rmp->context = mp->context;
95 rmp->retval = htonl (rv);
97 vl_msg_api_send_shmem (q, (u8 *) & rmp);
101 vl_api_igmp_enable_disable_t_handler (vl_api_igmp_enable_disable_t * mp)
103 vl_api_igmp_enable_disable_reply_t *rmp;
104 igmp_main_t *im = &igmp_main;
107 REPLY_MACRO (VL_API_IGMP_ENABLE_DISABLE_REPLY + im->msg_id_base);
111 send_igmp_details (unix_shared_memory_queue_t * q, igmp_main_t * im,
112 igmp_config_t * config, igmp_group_t * group,
113 igmp_src_t * src, u32 context)
115 vl_api_igmp_details_t *mp;
117 mp = vl_msg_api_alloc (sizeof (*mp));
118 memset (mp, 0, sizeof (*mp));
120 mp->_vl_msg_id = htons (VL_API_IGMP_DETAILS + im->msg_id_base);
121 mp->context = context;
122 mp->sw_if_index = htonl (config->sw_if_index);
123 clib_memcpy (mp->saddr, &src->addr.ip4, sizeof (u8) * 4);
124 clib_memcpy (mp->gaddr, &group->addr.ip4, sizeof (u8) * 4);
126 vl_msg_api_send_shmem (q, (u8 *) & mp);
130 vl_api_igmp_dump_t_handler (vl_api_igmp_dump_t * mp)
132 igmp_main_t *im = &igmp_main;
133 igmp_config_t *config;
137 unix_shared_memory_queue_t *q =
138 vl_api_client_index_to_input_queue (mp->client_index);
145 pool_foreach (config, im->configs, (
147 pool_foreach (group, config->groups, (
149 pool_foreach (src, group->srcs, (
151 send_igmp_details (q, im, config, group, src, mp->context);
158 config = igmp_config_lookup (im, ntohl (mp->sw_if_index));
162 pool_foreach (group, config->groups, (
164 pool_foreach (src, group->srcs, (
166 send_igmp_details (q, im, config, group, src, mp->context);
174 vl_api_igmp_clear_interface_t_handler (vl_api_igmp_clear_interface_t * mp)
176 igmp_main_t *im = &igmp_main;
177 igmp_config_t *config;
178 vl_api_igmp_clear_interface_reply_t *rmp;
181 config = igmp_config_lookup (im, ntohl (mp->sw_if_index));
183 igmp_clear_config (config);
185 unix_shared_memory_queue_t *q =
186 vl_api_client_index_to_input_queue (mp->client_index);
190 rmp = vl_msg_api_alloc (sizeof (*rmp));
192 htons ((VL_API_IGMP_CLEAR_INTERFACE_REPLY) + im->msg_id_base);
193 rmp->context = mp->context;
194 rmp->retval = htonl (rv);
196 vl_msg_api_send_shmem (q, (u8 *) & rmp);
199 /** \brief igmp group lookup
200 @param im - igmp main
201 @param client_index - client index
203 static vpe_client_registration_t *
204 igmp_api_client_lookup (igmp_main_t * im, u32 client_index)
207 vpe_client_registration_t *api_client = NULL;
209 p = hash_get (im->igmp_api_client_by_client_index, client_index);
211 api_client = vec_elt_at_index (im->api_clients, p[0]);
217 vl_api_want_igmp_events_t_handler (vl_api_want_igmp_events_t * mp)
219 igmp_main_t *im = &igmp_main;
220 vpe_client_registration_t *api_client;
221 vl_api_want_igmp_events_reply_t *rmp;
224 api_client = igmp_api_client_lookup (im, mp->client_index);
229 rv = VNET_API_ERROR_INVALID_REGISTRATION;
232 hash_unset (im->igmp_api_client_by_client_index,
233 api_client->client_index);
234 pool_put (im->api_clients, api_client);
239 pool_get (im->api_clients, api_client);
240 memset (api_client, 0, sizeof (vpe_client_registration_t));
241 api_client->client_index = mp->client_index;
242 api_client->client_pid = mp->pid;
243 hash_set (im->igmp_api_client_by_client_index,
244 mp->client_index, api_client - im->api_clients);
247 rv = VNET_API_ERROR_INVALID_REGISTRATION;
250 unix_shared_memory_queue_t *q =
251 vl_api_client_index_to_input_queue (mp->client_index);
255 rmp = vl_msg_api_alloc (sizeof (*rmp));
256 rmp->_vl_msg_id = htons ((VL_API_WANT_IGMP_EVENTS_REPLY) + im->msg_id_base);
257 rmp->context = mp->context;
258 rmp->retval = htonl (rv);
260 vl_msg_api_send_shmem (q, (u8 *) & rmp);
263 static clib_error_t *
264 want_igmp_events_reaper (u32 client_index)
266 igmp_main_t *im = &igmp_main;
267 vpe_client_registration_t *api_client;
270 p = hash_get (im->igmp_api_client_by_client_index, client_index);
274 api_client = pool_elt_at_index (im->api_clients, p[0]);
275 pool_put (im->api_clients, api_client);
276 hash_unset (im->igmp_api_client_by_client_index, client_index);
281 VL_MSG_API_REAPER_FUNCTION (want_igmp_events_reaper);
284 send_igmp_event (unix_shared_memory_queue_t * q, u32 context,
285 igmp_main_t * im, igmp_config_t * config,
286 igmp_group_t * group, igmp_src_t * src)
288 vl_api_igmp_event_t *mp = vl_msg_api_alloc (sizeof (*mp));
289 memset (mp, 0, sizeof (*mp));
291 mp->_vl_msg_id = ntohs ((VL_API_IGMP_EVENT) + im->msg_id_base);
292 mp->context = context;
293 mp->sw_if_index = htonl (config->sw_if_index);
294 clib_memcpy (&mp->saddr, &src->addr.ip4, sizeof (ip4_address_t));
295 clib_memcpy (&mp->gaddr, &group->addr.ip4, sizeof (ip4_address_t));
297 (group->type == IGMP_MEMBERSHIP_GROUP_mode_is_filter_include) ? 1 : 0;
299 vl_msg_api_send_shmem (q, (u8 *) & mp);
303 igmp_event (igmp_main_t * im, igmp_config_t * config, igmp_group_t * group,
306 vpe_client_registration_t *api_client;
307 unix_shared_memory_queue_t *q;
309 pool_foreach (api_client, im->api_clients,
311 q = vl_api_client_index_to_input_queue (api_client->client_index);
313 send_igmp_event (q, 0, im, config, group, src);
316 if (group->type == IGMP_MEMBERSHIP_GROUP_block_old_sources)
318 igmp_clear_group (config, group);
319 if (pool_elts (config->groups) == 0)
321 hash_unset (im->igmp_config_by_sw_if_index, config->sw_if_index);
322 pool_put (im->configs, config);
327 #define vl_msg_name_crc_list
328 #include <igmp/igmp_all_api_h.h>
329 #undef vl_msg_name_crc_list
332 setup_message_id_table (igmp_main_t * im, api_main_t * am)
334 #define _(id,n,crc) \
335 vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + im->msg_id_base);
336 foreach_vl_msg_name_crc_igmp;
340 /* Set up the API message handling tables */
341 static clib_error_t *
342 igmp_plugin_api_hookup (vlib_main_t * vm)
344 igmp_main_t *im = &igmp_main;
345 api_main_t *am = &api_main;
348 /* Construct the API name */
349 name = format (0, "igmp_%08x%c", api_version, 0);
351 /* Ask for a correctly-sized block of API message decode slots */
352 im->msg_id_base = vl_msg_api_get_msg_ids
353 ((char *) name, VL_MSG_FIRST_AVAILABLE);
356 vl_msg_api_set_handlers((VL_API_##N + im->msg_id_base), \
358 vl_api_##n##_t_handler, \
360 vl_api_##n##_t_endian, \
361 vl_api_##n##_t_print, \
362 sizeof(vl_api_##n##_t), 1);
363 foreach_igmp_plugin_api_msg;
367 * Set up the (msg_name, crc, message-id) table
369 setup_message_id_table (im, am);
375 VLIB_API_INIT_FUNCTION (igmp_plugin_api_hookup);
378 * fd.io coding-style-patch-verification: ON
381 * eval: (c-set-style "gnu")