2 *------------------------------------------------------------------
5 * Copyright (c) 2016 Cisco and/or its affiliates.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *------------------------------------------------------------------
21 * @brief BFD binary API implementation
24 #include <vnet/vnet.h>
25 #include <vlibmemory/api.h>
27 #include <vnet/interface.h>
28 #include <vnet/api_errno.h>
29 #include <vnet/bfd/bfd_main.h>
30 #include <vnet/bfd/bfd_api.h>
32 #include <vnet/vnet_msg_enum.h>
34 #define vl_typedefs /* define message structures */
35 #include <vnet/vnet_all_api_h.h>
38 #define vl_endianfun /* define message structures */
39 #include <vnet/vnet_all_api_h.h>
42 /* instantiate all the print functions we know about */
43 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
45 #include <vnet/vnet_all_api_h.h>
48 #include <vlibapi/api_helper_macros.h>
50 #define foreach_vpe_api_msg \
51 _ (BFD_UDP_ADD, bfd_udp_add) \
52 _ (BFD_UDP_MOD, bfd_udp_mod) \
53 _ (BFD_UDP_DEL, bfd_udp_del) \
54 _ (BFD_UDP_SESSION_DUMP, bfd_udp_session_dump) \
55 _ (BFD_UDP_SESSION_SET_FLAGS, bfd_udp_session_set_flags) \
56 _ (WANT_BFD_EVENTS, want_bfd_events) \
57 _ (BFD_AUTH_SET_KEY, bfd_auth_set_key) \
58 _ (BFD_AUTH_DEL_KEY, bfd_auth_del_key) \
59 _ (BFD_AUTH_KEYS_DUMP, bfd_auth_keys_dump) \
60 _ (BFD_UDP_AUTH_ACTIVATE, bfd_udp_auth_activate) \
61 _ (BFD_UDP_AUTH_DEACTIVATE, bfd_udp_auth_deactivate) \
62 _ (BFD_UDP_SET_ECHO_SOURCE, bfd_udp_set_echo_source) \
63 _ (BFD_UDP_DEL_ECHO_SOURCE, bfd_udp_del_echo_source) \
64 _ (BFD_UDP_GET_ECHO_SOURCE, bfd_udp_get_echo_source)
66 pub_sub_handler (bfd_events, BFD_EVENTS);
68 #define BFD_UDP_API_PARAM_COMMON_CODE \
69 ip46_address_t local_addr; \
70 memset (&local_addr, 0, sizeof (local_addr)); \
71 ip46_address_t peer_addr; \
72 memset (&peer_addr, 0, sizeof (peer_addr)); \
75 clib_memcpy (&local_addr.ip6, mp->local_addr, sizeof (local_addr.ip6)); \
76 clib_memcpy (&peer_addr.ip6, mp->peer_addr, sizeof (peer_addr.ip6)); \
80 clib_memcpy (&local_addr.ip4, mp->local_addr, sizeof (local_addr.ip4)); \
81 clib_memcpy (&peer_addr.ip4, mp->peer_addr, sizeof (peer_addr.ip4)); \
84 #define BFD_UDP_API_PARAM_FROM_MP(mp) \
85 clib_net_to_host_u32 (mp->sw_if_index), &local_addr, &peer_addr
88 vl_api_bfd_udp_add_t_handler (vl_api_bfd_udp_add_t * mp)
90 vl_api_bfd_udp_add_reply_t *rmp;
93 VALIDATE_SW_IF_INDEX (mp);
95 BFD_UDP_API_PARAM_COMMON_CODE;
97 rv = bfd_udp_add_session (BFD_UDP_API_PARAM_FROM_MP (mp),
98 clib_net_to_host_u32 (mp->desired_min_tx),
99 clib_net_to_host_u32 (mp->required_min_rx),
100 mp->detect_mult, mp->is_authenticated,
101 clib_net_to_host_u32 (mp->conf_key_id),
104 BAD_SW_IF_INDEX_LABEL;
105 REPLY_MACRO (VL_API_BFD_UDP_ADD_REPLY);
109 vl_api_bfd_udp_mod_t_handler (vl_api_bfd_udp_mod_t * mp)
111 vl_api_bfd_udp_mod_reply_t *rmp;
114 VALIDATE_SW_IF_INDEX (mp);
116 BFD_UDP_API_PARAM_COMMON_CODE;
118 rv = bfd_udp_mod_session (BFD_UDP_API_PARAM_FROM_MP (mp),
119 clib_net_to_host_u32 (mp->desired_min_tx),
120 clib_net_to_host_u32 (mp->required_min_rx),
123 BAD_SW_IF_INDEX_LABEL;
124 REPLY_MACRO (VL_API_BFD_UDP_MOD_REPLY);
128 vl_api_bfd_udp_del_t_handler (vl_api_bfd_udp_del_t * mp)
130 vl_api_bfd_udp_del_reply_t *rmp;
133 VALIDATE_SW_IF_INDEX (mp);
135 BFD_UDP_API_PARAM_COMMON_CODE;
137 rv = bfd_udp_del_session (BFD_UDP_API_PARAM_FROM_MP (mp));
139 BAD_SW_IF_INDEX_LABEL;
140 REPLY_MACRO (VL_API_BFD_UDP_DEL_REPLY);
144 send_bfd_udp_session_details (vl_api_registration_t * reg, u32 context,
147 if (bs->transport != BFD_TRANSPORT_UDP4 &&
148 bs->transport != BFD_TRANSPORT_UDP6)
153 vl_api_bfd_udp_session_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
154 memset (mp, 0, sizeof (*mp));
155 mp->_vl_msg_id = ntohs (VL_API_BFD_UDP_SESSION_DETAILS);
156 mp->context = context;
157 mp->state = bs->local_state;
158 bfd_udp_session_t *bus = &bs->udp;
159 bfd_udp_key_t *key = &bus->key;
160 mp->sw_if_index = clib_host_to_net_u32 (key->sw_if_index);
161 mp->is_ipv6 = !(ip46_address_is_ip4 (&key->local_addr));
162 if ((!bs->auth.is_delayed && bs->auth.curr_key) ||
163 (bs->auth.is_delayed && bs->auth.next_key))
165 mp->is_authenticated = 1;
167 if (bs->auth.is_delayed && bs->auth.next_key)
169 mp->bfd_key_id = bs->auth.next_bfd_key_id;
170 mp->conf_key_id = clib_host_to_net_u32 (bs->auth.next_key->conf_key_id);
172 else if (!bs->auth.is_delayed && bs->auth.curr_key)
174 mp->bfd_key_id = bs->auth.curr_bfd_key_id;
175 mp->conf_key_id = clib_host_to_net_u32 (bs->auth.curr_key->conf_key_id);
179 clib_memcpy (mp->local_addr, &key->local_addr,
180 sizeof (key->local_addr));
181 clib_memcpy (mp->peer_addr, &key->peer_addr, sizeof (key->peer_addr));
185 clib_memcpy (mp->local_addr, key->local_addr.ip4.data,
186 sizeof (key->local_addr.ip4.data));
187 clib_memcpy (mp->peer_addr, key->peer_addr.ip4.data,
188 sizeof (key->peer_addr.ip4.data));
191 mp->required_min_rx =
192 clib_host_to_net_u32 (bs->config_required_min_rx_usec);
193 mp->desired_min_tx = clib_host_to_net_u32 (bs->config_desired_min_tx_usec);
194 mp->detect_mult = bs->local_detect_mult;
195 vl_api_send_msg (reg, (u8 *) mp);
199 bfd_event (bfd_main_t * bm, bfd_session_t * bs)
201 vpe_api_main_t *vam = &vpe_api_main;
202 vpe_client_registration_t *reg;
203 vl_api_registration_t *vl_reg;
205 pool_foreach (reg, vam->bfd_events_registrations, ({
206 vl_reg = vl_api_client_index_to_registration (reg->client_index);
209 switch (bs->transport)
211 case BFD_TRANSPORT_UDP4:
213 case BFD_TRANSPORT_UDP6:
214 send_bfd_udp_session_details (vl_reg, 0, bs);
222 vl_api_bfd_udp_session_dump_t_handler (vl_api_bfd_udp_session_dump_t * mp)
224 vl_api_registration_t *reg;
226 reg = vl_api_client_index_to_registration (mp->client_index);
230 bfd_session_t *bs = NULL;
232 pool_foreach (bs, bfd_main.sessions, ({
233 if (bs->transport == BFD_TRANSPORT_UDP4 ||
234 bs->transport == BFD_TRANSPORT_UDP6)
235 send_bfd_udp_session_details (reg, mp->context, bs);
241 vl_api_bfd_udp_session_set_flags_t_handler (vl_api_bfd_udp_session_set_flags_t
244 vl_api_bfd_udp_session_set_flags_reply_t *rmp;
247 BFD_UDP_API_PARAM_COMMON_CODE;
249 rv = bfd_udp_session_set_flags (BFD_UDP_API_PARAM_FROM_MP (mp),
252 REPLY_MACRO (VL_API_BFD_UDP_SESSION_SET_FLAGS_REPLY);
256 vl_api_bfd_auth_set_key_t_handler (vl_api_bfd_auth_set_key_t * mp)
258 vl_api_bfd_auth_set_key_reply_t *rmp;
259 int rv = bfd_auth_set_key (clib_net_to_host_u32 (mp->conf_key_id),
260 mp->auth_type, mp->key_len, mp->key);
262 REPLY_MACRO (VL_API_BFD_AUTH_SET_KEY_REPLY);
266 vl_api_bfd_auth_del_key_t_handler (vl_api_bfd_auth_del_key_t * mp)
268 vl_api_bfd_auth_del_key_reply_t *rmp;
269 int rv = bfd_auth_del_key (clib_net_to_host_u32 (mp->conf_key_id));
271 REPLY_MACRO (VL_API_BFD_AUTH_DEL_KEY_REPLY);
275 vl_api_bfd_auth_keys_dump_t_handler (vl_api_bfd_auth_keys_dump_t * mp)
277 vl_api_registration_t *reg;
279 reg = vl_api_client_index_to_registration (mp->client_index);
283 bfd_auth_key_t *key = NULL;
284 vl_api_bfd_auth_keys_details_t *rmp = NULL;
287 pool_foreach (key, bfd_main.auth_keys, ({
288 rmp = vl_msg_api_alloc (sizeof (*rmp));
289 memset (rmp, 0, sizeof (*rmp));
290 rmp->_vl_msg_id = ntohs (VL_API_BFD_AUTH_KEYS_DETAILS);
291 rmp->context = mp->context;
292 rmp->conf_key_id = clib_host_to_net_u32 (key->conf_key_id);
293 rmp->auth_type = key->auth_type;
294 rmp->use_count = clib_host_to_net_u32 (key->use_count);
295 vl_api_send_msg (reg, (u8 *)rmp);
301 vl_api_bfd_udp_auth_activate_t_handler (vl_api_bfd_udp_auth_activate_t * mp)
303 vl_api_bfd_udp_auth_activate_reply_t *rmp;
306 VALIDATE_SW_IF_INDEX (mp);
308 BFD_UDP_API_PARAM_COMMON_CODE;
310 rv = bfd_udp_auth_activate (BFD_UDP_API_PARAM_FROM_MP (mp),
311 clib_net_to_host_u32 (mp->conf_key_id),
312 mp->bfd_key_id, mp->is_delayed);
314 BAD_SW_IF_INDEX_LABEL;
315 REPLY_MACRO (VL_API_BFD_UDP_AUTH_ACTIVATE_REPLY);
319 vl_api_bfd_udp_auth_deactivate_t_handler (vl_api_bfd_udp_auth_deactivate_t *
322 vl_api_bfd_udp_auth_deactivate_reply_t *rmp;
325 VALIDATE_SW_IF_INDEX (mp);
327 BFD_UDP_API_PARAM_COMMON_CODE;
330 bfd_udp_auth_deactivate (BFD_UDP_API_PARAM_FROM_MP (mp), mp->is_delayed);
332 BAD_SW_IF_INDEX_LABEL;
333 REPLY_MACRO (VL_API_BFD_UDP_AUTH_DEACTIVATE_REPLY);
337 vl_api_bfd_udp_set_echo_source_t_handler (vl_api_bfd_udp_set_echo_source_t *
340 vl_api_bfd_udp_set_echo_source_reply_t *rmp;
343 VALIDATE_SW_IF_INDEX (mp);
345 rv = bfd_udp_set_echo_source (clib_net_to_host_u32 (mp->sw_if_index));
347 BAD_SW_IF_INDEX_LABEL;
348 REPLY_MACRO (VL_API_BFD_UDP_SET_ECHO_SOURCE_REPLY);
352 vl_api_bfd_udp_del_echo_source_t_handler (vl_api_bfd_udp_del_echo_source_t *
355 vl_api_bfd_udp_del_echo_source_reply_t *rmp;
358 rv = bfd_udp_del_echo_source ();
360 REPLY_MACRO (VL_API_BFD_UDP_DEL_ECHO_SOURCE_REPLY);
364 vl_api_bfd_udp_get_echo_source_t_handler (vl_api_bfd_udp_get_echo_source_t *
367 vl_api_bfd_udp_get_echo_source_reply_t *rmp;
376 bfd_udp_get_echo_source (&is_set, &sw_if_index, &have_usable_ip4, &ip4,
377 &have_usable_ip6, &ip6);
380 REPLY_MACRO2 (VL_API_BFD_UDP_GET_ECHO_SOURCE_REPLY,
382 rmp->sw_if_index = ntohl (sw_if_index);
386 rmp->sw_if_index = clib_host_to_net_u32 (sw_if_index);
389 rmp->have_usable_ip4 = 1;
390 clib_memcpy (rmp->ip4_addr, &ip4, sizeof (ip4));
394 rmp->have_usable_ip4 = 0;
398 rmp->have_usable_ip6 = 1;
399 clib_memcpy (rmp->ip6_addr, &ip6, sizeof (ip6));
403 rmp->have_usable_ip6 = 0;
409 rmp->have_usable_ip4 = 0;
410 rmp->have_usable_ip6 = 0;
418 * Add vpe's API message handlers to the table.
419 * vlib has alread mapped shared memory and
420 * added the client registration handlers.
421 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
423 #define vl_msg_name_crc_list
424 #include <vnet/vnet_all_api_h.h>
425 #undef vl_msg_name_crc_list
428 setup_message_id_table (api_main_t * am)
430 #define _(id, n, crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
431 foreach_vl_msg_name_crc_bfd;
435 static clib_error_t *
436 bfd_api_hookup (vlib_main_t * vm)
438 api_main_t *am = &api_main;
441 vl_msg_api_set_handlers (VL_API_##N, #n, vl_api_##n##_t_handler, \
442 vl_noop_handler, vl_api_##n##_t_endian, \
443 vl_api_##n##_t_print, sizeof (vl_api_##n##_t), 1);
448 * Set up the (msg_name, crc, message-id) table
450 setup_message_id_table (am);
455 VLIB_API_INIT_FUNCTION (bfd_api_hookup);
458 * fd.io coding-style-patch-verification: ON
461 * eval: (c-set-style "gnu")