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>
22 #include <vnet/ip/ip_types_api.h>
23 #include <igmp/igmp_ssm_range.h>
25 /* define message IDs */
26 #include <igmp/igmp.api_enum.h>
27 #include <igmp/igmp.api_types.h>
28 #include <vnet/format_fns.h>
30 #include <vlibapi/api_helper_macros.h>
32 #define IGMP_MSG_ID(_id) (_id + igmp_main.msg_id_base)
35 vl_api_igmp_listen_t_handler (vl_api_igmp_listen_t * mp)
37 vlib_main_t *vm = vlib_get_main ();
38 vnet_main_t *vnm = vnet_get_main ();
39 vl_api_igmp_listen_reply_t *rmp;
41 ip46_address_t gaddr, *saddrs = NULL;
43 VALIDATE_SW_IF_INDEX (&mp->group);
45 if ((vnet_sw_interface_get_flags (vnm, ntohl (mp->group.sw_if_index)) &&
46 VNET_SW_INTERFACE_FLAG_ADMIN_UP) == 0)
48 // FIXME - don't we clear this state on interface down ...
49 rv = VNET_API_ERROR_UNEXPECTED_INTF_STATE;
53 clib_memset (&gaddr, 0, sizeof (gaddr));
54 clib_memcpy (&gaddr.ip4, &mp->group.gaddr, sizeof (ip4_address_t));
56 vec_validate (saddrs, mp->group.n_srcs - 1);
58 vec_foreach_index (ii, saddrs)
60 clib_memcpy (&saddrs[ii].ip4,
61 &mp->group.saddrs[ii], sizeof (ip4_address_t));
66 IGMP_FILTER_MODE_INCLUDE :
67 IGMP_FILTER_MODE_EXCLUDE),
68 ntohl (mp->group.sw_if_index), saddrs, &gaddr);
72 BAD_SW_IF_INDEX_LABEL;
74 REPLY_MACRO (VL_API_IGMP_LISTEN_REPLY);
78 vl_api_igmp_enable_disable_t_handler (vl_api_igmp_enable_disable_t * mp)
80 vl_api_igmp_enable_disable_reply_t *rmp;
83 VALIDATE_SW_IF_INDEX (mp);
85 rv = igmp_enable_disable (ntohl (mp->sw_if_index),
87 (mp->mode ? IGMP_MODE_HOST : IGMP_MODE_ROUTER));
89 BAD_SW_IF_INDEX_LABEL;
91 REPLY_MACRO (VL_API_IGMP_ENABLE_DISABLE_REPLY);
95 vl_api_igmp_proxy_device_add_del_t_handler (vl_api_igmp_proxy_device_add_del_t
98 vl_api_igmp_proxy_device_add_del_reply_t *rmp;
101 VALIDATE_SW_IF_INDEX (mp);
104 igmp_proxy_device_add_del (ntohl (mp->vrf_id), ntohl (mp->sw_if_index),
107 BAD_SW_IF_INDEX_LABEL;
109 REPLY_MACRO (VL_API_IGMP_PROXY_DEVICE_ADD_DEL_REPLY);
113 vl_api_igmp_proxy_device_add_del_interface_t_handler
114 (vl_api_igmp_proxy_device_add_del_interface_t * mp)
116 vl_api_igmp_proxy_device_add_del_interface_reply_t *rmp;
119 VALIDATE_SW_IF_INDEX (mp);
122 igmp_proxy_device_add_del_interface (ntohl (mp->vrf_id),
123 ntohl (mp->sw_if_index), mp->add);
125 BAD_SW_IF_INDEX_LABEL;
127 REPLY_MACRO (VL_API_IGMP_PROXY_DEVICE_ADD_DEL_INTERFACE_REPLY);
131 send_igmp_details (vl_api_registration_t * rp, igmp_main_t * im,
132 igmp_config_t * config, igmp_group_t * group,
133 igmp_src_t * src, u32 context)
135 vl_api_igmp_details_t *mp;
137 mp = vl_msg_api_alloc (sizeof (*mp));
138 clib_memset (mp, 0, sizeof (*mp));
140 mp->_vl_msg_id = htons (IGMP_MSG_ID (VL_API_IGMP_DETAILS));
141 mp->context = context;
142 mp->sw_if_index = htonl (config->sw_if_index);
143 clib_memcpy (&mp->saddr, &src->key->ip4, sizeof (src->key->ip4));
144 clib_memcpy (&mp->gaddr, &group->key->ip4, sizeof (group->key->ip4));
146 vl_api_send_msg (rp, (u8 *) mp);
150 igmp_config_dump (igmp_main_t * im,
151 vl_api_registration_t * rp,
152 u32 context, igmp_config_t * config)
158 FOR_EACH_GROUP (group, config,
160 FOR_EACH_SRC (src, group, IGMP_FILTER_MODE_INCLUDE,
162 send_igmp_details (rp, im, config, group, src, context);
169 vl_api_igmp_dump_t_handler (vl_api_igmp_dump_t * mp)
171 igmp_main_t *im = &igmp_main;
172 igmp_config_t *config;
174 vl_api_registration_t *rp;
176 rp = vl_api_client_index_to_registration (mp->client_index);
180 sw_if_index = ntohl (mp->sw_if_index);
181 if (~0 == sw_if_index)
184 pool_foreach (config, im->configs)
186 igmp_config_dump(im, rp, mp->context, config);
192 config = igmp_config_lookup (sw_if_index);
195 igmp_config_dump (im, rp, mp->context, config);
201 vl_api_igmp_clear_interface_t_handler (vl_api_igmp_clear_interface_t * mp)
203 vl_api_igmp_clear_interface_reply_t *rmp;
204 igmp_config_t *config;
207 config = igmp_config_lookup (ntohl (mp->sw_if_index));
209 igmp_clear_config (config);
211 REPLY_MACRO (VL_API_IGMP_CLEAR_INTERFACE_REPLY);
214 static vl_api_group_prefix_type_t
215 igmp_group_type_int_to_api (igmp_group_prefix_type_t t)
219 case IGMP_GROUP_PREFIX_TYPE_ASM:
220 return (htonl (ASM));
221 case IGMP_GROUP_PREFIX_TYPE_SSM:
222 return (htonl (SSM));
228 static igmp_group_prefix_type_t
229 igmp_group_type_api_to_int (vl_api_group_prefix_type_t t)
234 return (IGMP_GROUP_PREFIX_TYPE_ASM);
236 return (IGMP_GROUP_PREFIX_TYPE_SSM);
239 return (IGMP_GROUP_PREFIX_TYPE_SSM);
243 vl_api_igmp_group_prefix_set_t_handler (vl_api_igmp_group_prefix_set_t * mp)
245 vl_api_igmp_group_prefix_set_reply_t *rmp;
249 ip_prefix_decode (&mp->gp.prefix, &pfx);
250 igmp_group_prefix_set (&pfx, igmp_group_type_api_to_int (mp->gp.type));
252 REPLY_MACRO (VL_API_IGMP_GROUP_PREFIX_SET_REPLY);
255 typedef struct igmp_ssm_range_walk_ctx_t_
257 vl_api_registration_t *rp;
259 } igmp_ssm_range_walk_ctx_t;
262 igmp_ssm_range_walk_dump (const fib_prefix_t * pfx,
263 igmp_group_prefix_type_t type, void *args)
265 igmp_ssm_range_walk_ctx_t *ctx = args;
266 vl_api_igmp_group_prefix_details_t *mp;
268 mp = vl_msg_api_alloc (sizeof (*mp));
269 clib_memset (mp, 0, sizeof (*mp));
271 mp->_vl_msg_id = htons (IGMP_MSG_ID (VL_API_IGMP_DETAILS));
272 mp->context = ctx->context;
273 mp->gp.type = igmp_group_type_int_to_api (type);
274 ip_prefix_encode (pfx, &mp->gp.prefix);
276 vl_api_send_msg (ctx->rp, (u8 *) mp);
278 return (WALK_CONTINUE);
282 vl_api_igmp_group_prefix_dump_t_handler (vl_api_igmp_dump_t * mp)
284 vl_api_registration_t *rp;
286 rp = vl_api_client_index_to_registration (mp->client_index);
290 igmp_ssm_range_walk_ctx_t ctx = {
292 .context = mp->context,
295 igmp_ssm_range_walk (igmp_ssm_range_walk_dump, &ctx);
298 static vpe_client_registration_t *
299 igmp_api_client_lookup (igmp_main_t * im, u32 client_index)
302 vpe_client_registration_t *api_client = NULL;
304 p = hash_get (im->igmp_api_client_by_client_index, client_index);
306 api_client = vec_elt_at_index (im->api_clients, p[0]);
312 vl_api_want_igmp_events_t_handler (vl_api_want_igmp_events_t * mp)
314 igmp_main_t *im = &igmp_main;
315 vpe_client_registration_t *api_client;
316 vl_api_want_igmp_events_reply_t *rmp;
319 api_client = igmp_api_client_lookup (im, mp->client_index);
324 rv = VNET_API_ERROR_INVALID_REGISTRATION;
327 hash_unset (im->igmp_api_client_by_client_index,
328 api_client->client_index);
329 pool_put (im->api_clients, api_client);
334 pool_get (im->api_clients, api_client);
335 clib_memset (api_client, 0, sizeof (vpe_client_registration_t));
336 api_client->client_index = mp->client_index;
337 api_client->client_pid = mp->pid;
338 hash_set (im->igmp_api_client_by_client_index,
339 mp->client_index, api_client - im->api_clients);
342 rv = VNET_API_ERROR_INVALID_REGISTRATION;
345 REPLY_MACRO (VL_API_WANT_IGMP_EVENTS_REPLY);
348 static clib_error_t *
349 want_igmp_events_reaper (u32 client_index)
351 igmp_main_t *im = &igmp_main;
352 vpe_client_registration_t *api_client;
355 p = hash_get (im->igmp_api_client_by_client_index, client_index);
359 api_client = pool_elt_at_index (im->api_clients, p[0]);
360 pool_put (im->api_clients, api_client);
361 hash_unset (im->igmp_api_client_by_client_index, client_index);
366 VL_MSG_API_REAPER_FUNCTION (want_igmp_events_reaper);
369 send_igmp_event (vl_api_registration_t * rp,
370 igmp_filter_mode_t filter,
372 const ip46_address_t * saddr, const ip46_address_t * gaddr)
374 vl_api_igmp_event_t *mp = vl_msg_api_alloc (sizeof (*mp));
375 clib_memset (mp, 0, sizeof (*mp));
377 mp->_vl_msg_id = ntohs ((VL_API_IGMP_EVENT) + igmp_main.msg_id_base);
378 mp->sw_if_index = htonl (sw_if_index);
379 mp->filter = htonl (filter);
380 clib_memcpy (&mp->saddr, &saddr->ip4, sizeof (ip4_address_t));
381 clib_memcpy (&mp->gaddr, &gaddr->ip4, sizeof (ip4_address_t));
383 vl_api_send_msg (rp, (u8 *) mp);
387 igmp_event (igmp_filter_mode_t filter,
389 const ip46_address_t * saddr, const ip46_address_t * gaddr)
391 vpe_client_registration_t *api_client;
392 vl_api_registration_t *rp;
397 IGMP_DBG ("event: (%U, %U) %U %U",
398 format_ip46_address, saddr, IP46_TYPE_ANY,
399 format_ip46_address, saddr, IP46_TYPE_ANY,
400 format_vnet_sw_if_index_name,
401 vnet_get_main (), sw_if_index, format_igmp_filter_mode, filter);
405 pool_foreach (api_client, im->api_clients)
407 rp = vl_api_client_index_to_registration (api_client->client_index);
409 send_igmp_event (rp, filter, sw_if_index, saddr, gaddr);
414 /* Set up the API message handling tables */
415 #include <igmp/igmp.api.c>
416 static clib_error_t *
417 igmp_plugin_api_hookup (vlib_main_t * vm)
419 igmp_main_t *im = &igmp_main;
421 /* Ask for a correctly-sized block of API message decode slots */
422 im->msg_id_base = setup_message_id_table ();
427 VLIB_API_INIT_FUNCTION (igmp_plugin_api_hookup);
430 * fd.io coding-style-patch-verification: ON
433 * eval: (c-set-style "gnu")