]>
Commit | Line | Data |
---|---|---|
c2f29cf3 RZ |
1 | /* |
2 | * BFD daemon code | |
3 | * Copyright (C) 2018 Network Device Education Foundation, Inc. ("NetDEF") | |
4 | * | |
5 | * FRR is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License as published by the | |
7 | * Free Software Foundation; either version 2, or (at your option) any | |
8 | * later version. | |
9 | * | |
10 | * FRR is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with FRR; see the file COPYING. If not, write to the Free | |
17 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
18 | * 02111-1307, USA. | |
19 | */ | |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | #include "lib/command.h" | |
24 | #include "lib/json.h" | |
25 | #include "lib/log.h" | |
26 | #include "lib/vty.h" | |
27 | ||
28 | #include "bfd.h" | |
29 | ||
30 | #ifndef VTYSH_EXTRACT_PL | |
31 | #include "bfdd/bfdd_vty_clippy.c" | |
32 | #endif | |
33 | ||
34 | /* | |
35 | * Commands help string definitions. | |
36 | */ | |
37 | #define PEER_STR "Configure peer\n" | |
38 | #define INTERFACE_NAME_STR "Configure interface name to use\n" | |
39 | #define PEER_IPV4_STR "IPv4 peer address\n" | |
40 | #define PEER_IPV6_STR "IPv6 peer address\n" | |
41 | #define MHOP_STR "Configure multihop\n" | |
42 | #define LOCAL_STR "Configure local address\n" | |
43 | #define LOCAL_IPV4_STR "IPv4 local address\n" | |
44 | #define LOCAL_IPV6_STR "IPv6 local address\n" | |
45 | #define LOCAL_INTF_STR "Configure local interface name to use\n" | |
46 | #define VRF_STR "Configure VRF\n" | |
47 | #define VRF_NAME_STR "Configure VRF name\n" | |
48 | ||
49 | /* | |
50 | * Prototypes | |
51 | */ | |
52 | static int bfdd_write_config(struct vty *vty); | |
53 | static int bfdd_peer_write_config(struct vty *vty); | |
d245e522 | 54 | static void _bfdd_peer_write_config(struct vty *vty, struct bfd_session *bs); |
e3b78da8 | 55 | static void _bfdd_peer_write_config_iter(struct hash_bucket *hb, void *arg); |
c2f29cf3 RZ |
56 | static int bfd_configure_peer(struct bfd_peer_cfg *bpc, bool mhop, |
57 | const struct sockaddr_any *peer, | |
58 | const struct sockaddr_any *local, | |
59 | const char *ifname, const char *vrfname, | |
60 | char *ebuf, size_t ebuflen); | |
61 | ||
89a634c1 | 62 | static void _display_peer_header(struct vty *vty, struct bfd_session *bs); |
c2f29cf3 | 63 | static struct json_object *__display_peer_json(struct bfd_session *bs); |
89a634c1 | 64 | static struct json_object *_peer_json_header(struct bfd_session *bs); |
c2f29cf3 RZ |
65 | static void _display_peer_json(struct vty *vty, struct bfd_session *bs); |
66 | static void _display_peer(struct vty *vty, struct bfd_session *bs); | |
9146cc2a | 67 | static void _display_all_peers(struct vty *vty, char *vrfname, bool use_json); |
e3b78da8 TB |
68 | static void _display_peer_iter(struct hash_bucket *hb, void *arg); |
69 | static void _display_peer_json_iter(struct hash_bucket *hb, void *arg); | |
0684c9b1 RZ |
70 | static void _display_peer_counter(struct vty *vty, struct bfd_session *bs); |
71 | static struct json_object *__display_peer_counters_json(struct bfd_session *bs); | |
72 | static void _display_peer_counters_json(struct vty *vty, struct bfd_session *bs); | |
e3b78da8 TB |
73 | static void _display_peer_counter_iter(struct hash_bucket *hb, void *arg); |
74 | static void _display_peer_counter_json_iter(struct hash_bucket *hb, void *arg); | |
0684c9b1 | 75 | static void _display_peers_counter(struct vty *vty, bool use_json); |
89a634c1 RZ |
76 | static struct bfd_session * |
77 | _find_peer_or_error(struct vty *vty, int argc, struct cmd_token **argv, | |
78 | const char *label, const char *peer_str, | |
79 | const char *local_str, const char *ifname, | |
80 | const char *vrfname); | |
c2f29cf3 | 81 | |
c2f29cf3 RZ |
82 | /* |
83 | * Commands definition. | |
84 | */ | |
85 | DEFUN_NOSH(bfd_enter, bfd_enter_cmd, "bfd", "Configure BFD peers\n") | |
86 | { | |
87 | vty->node = BFD_NODE; | |
88 | return CMD_SUCCESS; | |
89 | } | |
90 | ||
91 | DEFUN_NOSH( | |
92 | bfd_peer_enter, bfd_peer_enter_cmd, | |
5764d816 | 93 | "peer <A.B.C.D|X:X::X:X> [{multihop|local-address <A.B.C.D|X:X::X:X>|interface IFNAME|vrf NAME}]", |
c2f29cf3 RZ |
94 | PEER_STR PEER_IPV4_STR PEER_IPV6_STR |
95 | MHOP_STR | |
96 | LOCAL_STR LOCAL_IPV4_STR LOCAL_IPV6_STR | |
97 | INTERFACE_STR | |
98 | LOCAL_INTF_STR | |
99 | VRF_STR VRF_NAME_STR) | |
100 | { | |
101 | bool mhop; | |
102 | int idx; | |
103 | struct bfd_session *bs; | |
104 | const char *peer, *ifname, *local, *vrfname; | |
105 | struct bfd_peer_cfg bpc; | |
106 | struct sockaddr_any psa, lsa, *lsap; | |
107 | char errormsg[128]; | |
108 | ||
109 | vrfname = peer = ifname = local = NULL; | |
110 | ||
111 | /* Gather all provided information. */ | |
112 | peer = argv[1]->arg; | |
113 | ||
114 | idx = 0; | |
115 | mhop = argv_find(argv, argc, "multihop", &idx); | |
116 | ||
117 | idx = 0; | |
118 | if (argv_find(argv, argc, "interface", &idx)) | |
119 | ifname = argv[idx + 1]->arg; | |
120 | ||
121 | idx = 0; | |
122 | if (argv_find(argv, argc, "local-address", &idx)) | |
123 | local = argv[idx + 1]->arg; | |
124 | ||
125 | idx = 0; | |
126 | if (argv_find(argv, argc, "vrf", &idx)) | |
127 | vrfname = argv[idx + 1]->arg; | |
128 | ||
c2f29cf3 RZ |
129 | strtosa(peer, &psa); |
130 | if (local) { | |
131 | strtosa(local, &lsa); | |
132 | lsap = &lsa; | |
133 | } else | |
134 | lsap = NULL; | |
135 | ||
136 | if (bfd_configure_peer(&bpc, mhop, &psa, lsap, ifname, vrfname, | |
137 | errormsg, sizeof(errormsg)) | |
138 | != 0) { | |
139 | vty_out(vty, "%% Invalid peer configuration: %s\n", errormsg); | |
140 | return CMD_WARNING_CONFIG_FAILED; | |
141 | } | |
142 | ||
143 | bs = bs_peer_find(&bpc); | |
144 | if (bs == NULL) { | |
145 | bs = ptm_bfd_sess_new(&bpc); | |
146 | if (bs == NULL) { | |
147 | vty_out(vty, "%% Failed to add peer.\n"); | |
148 | return CMD_WARNING_CONFIG_FAILED; | |
149 | } | |
150 | } | |
151 | ||
6bdb4a42 PG |
152 | if (!BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_CONFIG)) { |
153 | if (bs->refcount) | |
154 | vty_out(vty, "%% session peer is now configurable via bfd daemon.\n"); | |
155 | BFD_SET_FLAG(bs->flags, BFD_SESS_FLAG_CONFIG); | |
156 | } | |
157 | ||
c2f29cf3 RZ |
158 | VTY_PUSH_CONTEXT(BFD_PEER_NODE, bs); |
159 | ||
160 | return CMD_SUCCESS; | |
161 | } | |
162 | ||
163 | DEFPY(bfd_peer_detectmultiplier, bfd_peer_detectmultiplier_cmd, | |
164 | "detect-multiplier (2-255)$multiplier", | |
165 | "Configure peer detection multiplier\n" | |
166 | "Configure peer detection multiplier value\n") | |
167 | { | |
168 | struct bfd_session *bs; | |
169 | ||
170 | bs = VTY_GET_CONTEXT(bfd_session); | |
d3f3a2c4 RZ |
171 | if (bs->detect_mult == multiplier) |
172 | return CMD_SUCCESS; | |
173 | ||
c2f29cf3 RZ |
174 | bs->detect_mult = multiplier; |
175 | ||
176 | return CMD_SUCCESS; | |
177 | } | |
178 | ||
179 | DEFPY(bfd_peer_recvinterval, bfd_peer_recvinterval_cmd, | |
180 | "receive-interval (10-60000)$interval", | |
181 | "Configure peer receive interval\n" | |
182 | "Configure peer receive interval value in milliseconds\n") | |
183 | { | |
184 | struct bfd_session *bs; | |
185 | ||
186 | bs = VTY_GET_CONTEXT(bfd_session); | |
d3f3a2c4 RZ |
187 | if (bs->timers.required_min_rx == (uint32_t)(interval * 1000)) |
188 | return CMD_SUCCESS; | |
189 | ||
c2f29cf3 | 190 | bs->timers.required_min_rx = interval * 1000; |
d3f3a2c4 | 191 | bfd_set_polling(bs); |
c2f29cf3 RZ |
192 | |
193 | return CMD_SUCCESS; | |
194 | } | |
195 | ||
196 | DEFPY(bfd_peer_txinterval, bfd_peer_txinterval_cmd, | |
197 | "transmit-interval (10-60000)$interval", | |
198 | "Configure peer transmit interval\n" | |
199 | "Configure peer transmit interval value in milliseconds\n") | |
200 | { | |
201 | struct bfd_session *bs; | |
202 | ||
203 | bs = VTY_GET_CONTEXT(bfd_session); | |
f43b9368 | 204 | if (bs->timers.desired_min_tx == (uint32_t)(interval * 1000)) |
d3f3a2c4 RZ |
205 | return CMD_SUCCESS; |
206 | ||
f43b9368 | 207 | bs->timers.desired_min_tx = interval * 1000; |
d3f3a2c4 | 208 | bfd_set_polling(bs); |
c2f29cf3 RZ |
209 | |
210 | return CMD_SUCCESS; | |
211 | } | |
212 | ||
213 | DEFPY(bfd_peer_echointerval, bfd_peer_echointerval_cmd, | |
214 | "echo-interval (10-60000)$interval", | |
215 | "Configure peer echo interval\n" | |
216 | "Configure peer echo interval value in milliseconds\n") | |
217 | { | |
218 | struct bfd_session *bs; | |
219 | ||
220 | bs = VTY_GET_CONTEXT(bfd_session); | |
d3f3a2c4 RZ |
221 | if (bs->timers.required_min_echo == (uint32_t)(interval * 1000)) |
222 | return CMD_SUCCESS; | |
223 | ||
c2f29cf3 RZ |
224 | bs->timers.required_min_echo = interval * 1000; |
225 | ||
226 | return CMD_SUCCESS; | |
227 | } | |
228 | ||
229 | DEFPY(bfd_peer_shutdown, bfd_peer_shutdown_cmd, "[no] shutdown", | |
230 | NO_STR "Disable BFD peer") | |
231 | { | |
232 | struct bfd_session *bs; | |
233 | ||
234 | bs = VTY_GET_CONTEXT(bfd_session); | |
235 | if (no) { | |
236 | if (!BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_SHUTDOWN)) | |
237 | return CMD_SUCCESS; | |
238 | ||
239 | BFD_UNSET_FLAG(bs->flags, BFD_SESS_FLAG_SHUTDOWN); | |
240 | ||
241 | /* Change and notify state change. */ | |
242 | bs->ses_state = PTM_BFD_DOWN; | |
243 | control_notify(bs); | |
244 | ||
245 | /* Enable all timers. */ | |
246 | bfd_recvtimer_update(bs); | |
247 | bfd_xmttimer_update(bs, bs->xmt_TO); | |
248 | if (BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_ECHO)) { | |
249 | bfd_echo_recvtimer_update(bs); | |
250 | bfd_echo_xmttimer_update(bs, bs->echo_xmt_TO); | |
251 | } | |
252 | } else { | |
253 | if (BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_SHUTDOWN)) | |
254 | return CMD_SUCCESS; | |
255 | ||
256 | BFD_SET_FLAG(bs->flags, BFD_SESS_FLAG_SHUTDOWN); | |
257 | ||
258 | /* Disable all events. */ | |
259 | bfd_recvtimer_delete(bs); | |
260 | bfd_echo_recvtimer_delete(bs); | |
261 | bfd_xmttimer_delete(bs); | |
262 | bfd_echo_xmttimer_delete(bs); | |
263 | ||
264 | /* Change and notify state change. */ | |
265 | bs->ses_state = PTM_BFD_ADM_DOWN; | |
266 | control_notify(bs); | |
267 | ||
268 | ptm_bfd_snd(bs, 0); | |
269 | } | |
270 | ||
271 | return CMD_SUCCESS; | |
272 | } | |
273 | ||
274 | DEFPY(bfd_peer_echo, bfd_peer_echo_cmd, "[no] echo-mode", | |
275 | NO_STR "Configure echo mode\n") | |
276 | { | |
277 | struct bfd_session *bs; | |
278 | ||
279 | bs = VTY_GET_CONTEXT(bfd_session); | |
280 | if (no) { | |
281 | if (!BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_ECHO)) | |
282 | return CMD_SUCCESS; | |
283 | ||
284 | BFD_UNSET_FLAG(bs->flags, BFD_SESS_FLAG_ECHO); | |
8bd859f6 | 285 | ptm_bfd_echo_stop(bs); |
c2f29cf3 RZ |
286 | } else { |
287 | if (BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_ECHO)) | |
288 | return CMD_SUCCESS; | |
289 | ||
290 | BFD_SET_FLAG(bs->flags, BFD_SESS_FLAG_ECHO); | |
291 | /* Apply setting immediately. */ | |
9f37770f | 292 | if (!BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_SHUTDOWN)) |
73c62f8e | 293 | bs_echo_timer_handler(bs); |
c2f29cf3 RZ |
294 | } |
295 | ||
296 | return CMD_SUCCESS; | |
297 | } | |
298 | ||
299 | DEFPY(bfd_peer_label, bfd_peer_label_cmd, "label WORD$label", | |
300 | "Register peer label\n" | |
301 | "Register peer label identification\n") | |
302 | { | |
303 | struct bfd_session *bs; | |
304 | ||
305 | /* Validate label length. */ | |
306 | if (strlen(label) >= MAXNAMELEN) { | |
307 | vty_out(vty, "%% Label name is too long\n"); | |
308 | return CMD_WARNING_CONFIG_FAILED; | |
309 | } | |
310 | ||
311 | bs = VTY_GET_CONTEXT(bfd_session); | |
312 | if (bfd_session_update_label(bs, label) == -1) { | |
313 | vty_out(vty, "%% Failed to update peer label.\n"); | |
314 | return CMD_WARNING_CONFIG_FAILED; | |
315 | } | |
316 | ||
317 | return CMD_SUCCESS; | |
318 | } | |
319 | ||
320 | DEFPY(bfd_no_peer, bfd_no_peer_cmd, | |
321 | "no peer <A.B.C.D|X:X::X:X>$peer [{multihop|local-address <A.B.C.D|X:X::X:X>$local|interface IFNAME$ifname|vrf NAME$vrfname}]", | |
322 | NO_STR | |
323 | PEER_STR PEER_IPV4_STR PEER_IPV6_STR | |
324 | MHOP_STR | |
325 | LOCAL_STR LOCAL_IPV4_STR LOCAL_IPV6_STR | |
326 | INTERFACE_STR | |
327 | LOCAL_INTF_STR | |
328 | VRF_STR VRF_NAME_STR) | |
329 | { | |
330 | int idx; | |
331 | bool mhop; | |
332 | struct bfd_peer_cfg bpc; | |
333 | struct sockaddr_any psa, lsa, *lsap; | |
334 | char errormsg[128]; | |
335 | ||
336 | strtosa(peer_str, &psa); | |
337 | if (local) { | |
338 | strtosa(local_str, &lsa); | |
339 | lsap = &lsa; | |
340 | } else { | |
341 | lsap = NULL; | |
342 | } | |
343 | ||
344 | idx = 0; | |
345 | mhop = argv_find(argv, argc, "multihop", &idx); | |
346 | ||
347 | if (bfd_configure_peer(&bpc, mhop, &psa, lsap, ifname, vrfname, | |
348 | errormsg, sizeof(errormsg)) | |
349 | != 0) { | |
350 | vty_out(vty, "%% Invalid peer configuration: %s\n", errormsg); | |
351 | return CMD_WARNING_CONFIG_FAILED; | |
352 | } | |
353 | ||
bc50bcc8 | 354 | if (ptm_bfd_sess_del(&bpc) != 0) { |
c2f29cf3 RZ |
355 | vty_out(vty, "%% Failed to remove peer.\n"); |
356 | return CMD_WARNING_CONFIG_FAILED; | |
357 | } | |
358 | ||
359 | return CMD_SUCCESS; | |
360 | } | |
361 | ||
362 | ||
363 | /* | |
364 | * Show commands helper functions | |
365 | */ | |
89a634c1 | 366 | static void _display_peer_header(struct vty *vty, struct bfd_session *bs) |
c2f29cf3 | 367 | { |
79b4a6fc RZ |
368 | char addr_buf[INET6_ADDRSTRLEN]; |
369 | ||
370 | vty_out(vty, "\tpeer %s", | |
371 | inet_ntop(bs->key.family, &bs->key.peer, addr_buf, | |
372 | sizeof(addr_buf))); | |
373 | ||
374 | if (BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_MH)) | |
c2f29cf3 | 375 | vty_out(vty, " multihop"); |
79b4a6fc RZ |
376 | |
377 | if (memcmp(&bs->key.local, &zero_addr, sizeof(bs->key.local))) | |
378 | vty_out(vty, " local-address %s", | |
379 | inet_ntop(bs->key.family, &bs->key.local, addr_buf, | |
380 | sizeof(addr_buf))); | |
381 | ||
382 | if (bs->key.vrfname[0]) | |
383 | vty_out(vty, " vrf %s", bs->key.vrfname); | |
384 | if (bs->key.ifname[0]) | |
385 | vty_out(vty, " interface %s", bs->key.ifname); | |
386 | vty_out(vty, "\n"); | |
c2f29cf3 RZ |
387 | |
388 | if (bs->pl) | |
389 | vty_out(vty, "\t\tlabel: %s\n", bs->pl->pl_label); | |
89a634c1 RZ |
390 | } |
391 | ||
392 | static void _display_peer(struct vty *vty, struct bfd_session *bs) | |
393 | { | |
394 | char buf[256]; | |
395 | time_t now; | |
396 | ||
397 | _display_peer_header(vty, bs); | |
c2f29cf3 RZ |
398 | |
399 | vty_out(vty, "\t\tID: %u\n", bs->discrs.my_discr); | |
400 | vty_out(vty, "\t\tRemote ID: %u\n", bs->discrs.remote_discr); | |
401 | ||
402 | vty_out(vty, "\t\tStatus: "); | |
403 | switch (bs->ses_state) { | |
404 | case PTM_BFD_ADM_DOWN: | |
405 | vty_out(vty, "shutdown\n"); | |
406 | break; | |
407 | case PTM_BFD_DOWN: | |
408 | vty_out(vty, "down\n"); | |
409 | ||
410 | now = monotime(NULL); | |
98ef9c16 | 411 | integer2timestr(now - bs->downtime.tv_sec, buf, sizeof(buf)); |
c2f29cf3 RZ |
412 | vty_out(vty, "\t\tDowntime: %s\n", buf); |
413 | break; | |
414 | case PTM_BFD_INIT: | |
415 | vty_out(vty, "init\n"); | |
416 | break; | |
417 | case PTM_BFD_UP: | |
418 | vty_out(vty, "up\n"); | |
419 | ||
420 | now = monotime(NULL); | |
421 | integer2timestr(now - bs->uptime.tv_sec, buf, sizeof(buf)); | |
422 | vty_out(vty, "\t\tUptime: %s\n", buf); | |
423 | break; | |
424 | ||
425 | default: | |
426 | vty_out(vty, "unknown\n"); | |
427 | break; | |
428 | } | |
429 | ||
430 | vty_out(vty, "\t\tDiagnostics: %s\n", diag2str(bs->local_diag)); | |
431 | vty_out(vty, "\t\tRemote diagnostics: %s\n", diag2str(bs->remote_diag)); | |
432 | ||
433 | vty_out(vty, "\t\tLocal timers:\n"); | |
434 | vty_out(vty, "\t\t\tReceive interval: %" PRIu32 "ms\n", | |
435 | bs->timers.required_min_rx / 1000); | |
f43b9368 | 436 | vty_out(vty, "\t\t\tTransmission interval: %" PRIu32 "ms\n", |
c2f29cf3 | 437 | bs->timers.desired_min_tx / 1000); |
f43b9368 RZ |
438 | vty_out(vty, "\t\t\tEcho transmission interval: %" PRIu32 "ms\n", |
439 | bs->timers.required_min_echo / 1000); | |
c2f29cf3 RZ |
440 | |
441 | vty_out(vty, "\t\tRemote timers:\n"); | |
442 | vty_out(vty, "\t\t\tReceive interval: %" PRIu32 "ms\n", | |
443 | bs->remote_timers.required_min_rx / 1000); | |
444 | vty_out(vty, "\t\t\tTransmission interval: %" PRIu32 "ms\n", | |
445 | bs->remote_timers.desired_min_tx / 1000); | |
446 | vty_out(vty, "\t\t\tEcho transmission interval: %" PRIu32 "ms\n", | |
447 | bs->remote_timers.required_min_echo / 1000); | |
448 | ||
449 | vty_out(vty, "\n"); | |
450 | } | |
451 | ||
89a634c1 | 452 | static struct json_object *_peer_json_header(struct bfd_session *bs) |
c2f29cf3 RZ |
453 | { |
454 | struct json_object *jo = json_object_new_object(); | |
79b4a6fc | 455 | char addr_buf[INET6_ADDRSTRLEN]; |
c2f29cf3 | 456 | |
79b4a6fc | 457 | if (bs->key.mhop) |
c2f29cf3 | 458 | json_object_boolean_true_add(jo, "multihop"); |
79b4a6fc | 459 | else |
c2f29cf3 | 460 | json_object_boolean_false_add(jo, "multihop"); |
79b4a6fc RZ |
461 | |
462 | json_object_string_add(jo, "peer", | |
463 | inet_ntop(bs->key.family, &bs->key.peer, | |
464 | addr_buf, sizeof(addr_buf))); | |
465 | if (memcmp(&bs->key.local, &zero_addr, sizeof(bs->key.local))) | |
466 | json_object_string_add(jo, "local", | |
467 | inet_ntop(bs->key.family, &bs->key.local, | |
468 | addr_buf, sizeof(addr_buf))); | |
469 | ||
470 | if (bs->key.vrfname[0]) | |
471 | json_object_string_add(jo, "vrf", bs->key.vrfname); | |
472 | if (bs->key.ifname[0]) | |
473 | json_object_string_add(jo, "interface", bs->key.ifname); | |
c2f29cf3 RZ |
474 | |
475 | if (bs->pl) | |
476 | json_object_string_add(jo, "label", bs->pl->pl_label); | |
477 | ||
89a634c1 RZ |
478 | return jo; |
479 | } | |
480 | ||
481 | static struct json_object *__display_peer_json(struct bfd_session *bs) | |
482 | { | |
483 | struct json_object *jo = _peer_json_header(bs); | |
484 | ||
c2f29cf3 RZ |
485 | json_object_int_add(jo, "id", bs->discrs.my_discr); |
486 | json_object_int_add(jo, "remote-id", bs->discrs.remote_discr); | |
487 | ||
488 | switch (bs->ses_state) { | |
489 | case PTM_BFD_ADM_DOWN: | |
490 | json_object_string_add(jo, "status", "shutdown"); | |
491 | break; | |
492 | case PTM_BFD_DOWN: | |
493 | json_object_string_add(jo, "status", "down"); | |
494 | json_object_int_add(jo, "downtime", | |
98ef9c16 | 495 | monotime(NULL) - bs->downtime.tv_sec); |
c2f29cf3 RZ |
496 | break; |
497 | case PTM_BFD_INIT: | |
498 | json_object_string_add(jo, "status", "init"); | |
499 | break; | |
500 | case PTM_BFD_UP: | |
501 | json_object_string_add(jo, "status", "up"); | |
502 | json_object_int_add(jo, "uptime", | |
503 | monotime(NULL) - bs->uptime.tv_sec); | |
504 | break; | |
505 | ||
506 | default: | |
507 | json_object_string_add(jo, "status", "unknown"); | |
508 | break; | |
509 | } | |
510 | ||
511 | json_object_string_add(jo, "diagnostic", diag2str(bs->local_diag)); | |
512 | json_object_string_add(jo, "remote-diagnostic", | |
513 | diag2str(bs->remote_diag)); | |
514 | ||
515 | json_object_int_add(jo, "receive-interval", | |
516 | bs->timers.required_min_rx / 1000); | |
517 | json_object_int_add(jo, "transmit-interval", | |
518 | bs->timers.desired_min_tx / 1000); | |
519 | if (BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_ECHO)) | |
520 | json_object_int_add(jo, "echo-interval", | |
521 | bs->timers.required_min_echo / 1000); | |
522 | else | |
523 | json_object_int_add(jo, "echo-interval", 0); | |
524 | ||
525 | json_object_int_add(jo, "remote-receive-interval", | |
526 | bs->remote_timers.required_min_rx / 1000); | |
527 | json_object_int_add(jo, "remote-transmit-interval", | |
528 | bs->remote_timers.desired_min_tx / 1000); | |
529 | json_object_int_add(jo, "remote-echo-interval", | |
530 | bs->remote_timers.required_min_echo / 1000); | |
531 | ||
532 | return jo; | |
533 | } | |
534 | ||
535 | static void _display_peer_json(struct vty *vty, struct bfd_session *bs) | |
536 | { | |
537 | struct json_object *jo = __display_peer_json(bs); | |
538 | ||
539 | vty_out(vty, "%s\n", json_object_to_json_string_ext(jo, 0)); | |
540 | json_object_free(jo); | |
541 | } | |
542 | ||
9146cc2a PG |
543 | struct bfd_vrf_tuple { |
544 | char *vrfname; | |
545 | struct vty *vty; | |
546 | struct json_object *jo; | |
547 | }; | |
548 | ||
e3b78da8 | 549 | static void _display_peer_iter(struct hash_bucket *hb, void *arg) |
c2f29cf3 | 550 | { |
9146cc2a PG |
551 | struct bfd_vrf_tuple *bvt = (struct bfd_vrf_tuple *)arg; |
552 | struct vty *vty; | |
c2f29cf3 RZ |
553 | struct bfd_session *bs = hb->data; |
554 | ||
9146cc2a PG |
555 | if (!bvt) |
556 | return; | |
557 | vty = bvt->vty; | |
558 | ||
559 | if (bvt->vrfname) { | |
560 | if (!bs->key.vrfname[0] || | |
561 | !strmatch(bs->key.vrfname, bvt->vrfname)) | |
562 | return; | |
563 | } | |
c2f29cf3 RZ |
564 | _display_peer(vty, bs); |
565 | } | |
566 | ||
e3b78da8 | 567 | static void _display_peer_json_iter(struct hash_bucket *hb, void *arg) |
c2f29cf3 | 568 | { |
9146cc2a PG |
569 | struct bfd_vrf_tuple *bvt = (struct bfd_vrf_tuple *)arg; |
570 | struct json_object *jo, *jon = NULL; | |
c2f29cf3 RZ |
571 | struct bfd_session *bs = hb->data; |
572 | ||
9146cc2a PG |
573 | if (!bvt) |
574 | return; | |
575 | jo = bvt->jo; | |
576 | ||
577 | if (bvt->vrfname) { | |
578 | if (!bs->key.vrfname[0] || | |
579 | !strmatch(bs->key.vrfname, bvt->vrfname)) | |
580 | return; | |
581 | } | |
582 | ||
c2f29cf3 RZ |
583 | jon = __display_peer_json(bs); |
584 | if (jon == NULL) { | |
585 | log_warning("%s: not enough memory", __func__); | |
586 | return; | |
587 | } | |
588 | ||
589 | json_object_array_add(jo, jon); | |
590 | } | |
591 | ||
9146cc2a | 592 | static void _display_all_peers(struct vty *vty, char *vrfname, bool use_json) |
c2f29cf3 RZ |
593 | { |
594 | struct json_object *jo; | |
9146cc2a PG |
595 | struct bfd_vrf_tuple bvt; |
596 | ||
597 | memset(&bvt, 0, sizeof(bvt)); | |
598 | bvt.vrfname = vrfname; | |
c2f29cf3 | 599 | |
d8729f8c | 600 | if (!use_json) { |
9146cc2a | 601 | bvt.vty = vty; |
89a634c1 | 602 | vty_out(vty, "BFD Peers:\n"); |
9146cc2a | 603 | bfd_id_iterate(_display_peer_iter, &bvt); |
c2f29cf3 RZ |
604 | return; |
605 | } | |
606 | ||
607 | jo = json_object_new_array(); | |
9146cc2a PG |
608 | bvt.jo = jo; |
609 | bfd_id_iterate(_display_peer_json_iter, &bvt); | |
c2f29cf3 RZ |
610 | |
611 | vty_out(vty, "%s\n", json_object_to_json_string_ext(jo, 0)); | |
612 | json_object_free(jo); | |
613 | } | |
614 | ||
0684c9b1 RZ |
615 | static void _display_peer_counter(struct vty *vty, struct bfd_session *bs) |
616 | { | |
617 | _display_peer_header(vty, bs); | |
618 | ||
619 | vty_out(vty, "\t\tControl packet input: %" PRIu64 " packets\n", | |
620 | bs->stats.rx_ctrl_pkt); | |
621 | vty_out(vty, "\t\tControl packet output: %" PRIu64 " packets\n", | |
622 | bs->stats.tx_ctrl_pkt); | |
623 | vty_out(vty, "\t\tEcho packet input: %" PRIu64 " packets\n", | |
624 | bs->stats.rx_echo_pkt); | |
625 | vty_out(vty, "\t\tEcho packet output: %" PRIu64 " packets\n", | |
626 | bs->stats.tx_echo_pkt); | |
627 | vty_out(vty, "\t\tSession up events: %" PRIu64 "\n", | |
628 | bs->stats.session_up); | |
629 | vty_out(vty, "\t\tSession down events: %" PRIu64 "\n", | |
630 | bs->stats.session_down); | |
631 | vty_out(vty, "\t\tZebra notifications: %" PRIu64 "\n", | |
632 | bs->stats.znotification); | |
633 | vty_out(vty, "\n"); | |
634 | } | |
635 | ||
636 | static struct json_object *__display_peer_counters_json(struct bfd_session *bs) | |
637 | { | |
638 | struct json_object *jo = _peer_json_header(bs); | |
639 | ||
640 | json_object_int_add(jo, "control-packet-input", bs->stats.rx_ctrl_pkt); | |
641 | json_object_int_add(jo, "control-packet-output", bs->stats.tx_ctrl_pkt); | |
642 | json_object_int_add(jo, "echo-packet-input", bs->stats.rx_echo_pkt); | |
643 | json_object_int_add(jo, "echo-packet-output", bs->stats.tx_echo_pkt); | |
644 | json_object_int_add(jo, "session-up", bs->stats.session_up); | |
645 | json_object_int_add(jo, "session-down", bs->stats.session_down); | |
646 | json_object_int_add(jo, "zebra-notifications", bs->stats.znotification); | |
647 | ||
648 | return jo; | |
649 | } | |
650 | ||
651 | static void _display_peer_counters_json(struct vty *vty, struct bfd_session *bs) | |
652 | { | |
653 | struct json_object *jo = __display_peer_counters_json(bs); | |
654 | ||
655 | vty_out(vty, "%s\n", json_object_to_json_string_ext(jo, 0)); | |
656 | json_object_free(jo); | |
657 | } | |
658 | ||
e3b78da8 | 659 | static void _display_peer_counter_iter(struct hash_bucket *hb, void *arg) |
0684c9b1 RZ |
660 | { |
661 | struct vty *vty = arg; | |
662 | struct bfd_session *bs = hb->data; | |
663 | ||
664 | _display_peer_counter(vty, bs); | |
665 | } | |
666 | ||
e3b78da8 | 667 | static void _display_peer_counter_json_iter(struct hash_bucket *hb, void *arg) |
0684c9b1 RZ |
668 | { |
669 | struct json_object *jo = arg, *jon = NULL; | |
670 | struct bfd_session *bs = hb->data; | |
671 | ||
672 | jon = __display_peer_counters_json(bs); | |
673 | if (jon == NULL) { | |
674 | log_warning("%s: not enough memory", __func__); | |
675 | return; | |
676 | } | |
677 | ||
678 | json_object_array_add(jo, jon); | |
679 | } | |
680 | ||
681 | static void _display_peers_counter(struct vty *vty, bool use_json) | |
682 | { | |
683 | struct json_object *jo; | |
684 | ||
d8729f8c | 685 | if (!use_json) { |
0684c9b1 RZ |
686 | vty_out(vty, "BFD Peers:\n"); |
687 | bfd_id_iterate(_display_peer_counter_iter, vty); | |
688 | return; | |
689 | } | |
690 | ||
691 | jo = json_object_new_array(); | |
692 | bfd_id_iterate(_display_peer_counter_json_iter, jo); | |
693 | ||
694 | vty_out(vty, "%s\n", json_object_to_json_string_ext(jo, 0)); | |
695 | json_object_free(jo); | |
696 | } | |
697 | ||
89a634c1 RZ |
698 | static struct bfd_session * |
699 | _find_peer_or_error(struct vty *vty, int argc, struct cmd_token **argv, | |
700 | const char *label, const char *peer_str, | |
701 | const char *local_str, const char *ifname, | |
702 | const char *vrfname) | |
c2f29cf3 RZ |
703 | { |
704 | int idx; | |
705 | bool mhop; | |
706 | struct bfd_session *bs = NULL; | |
707 | struct peer_label *pl; | |
708 | struct bfd_peer_cfg bpc; | |
709 | struct sockaddr_any psa, lsa, *lsap; | |
710 | char errormsg[128]; | |
711 | ||
712 | /* Look up the BFD peer. */ | |
713 | if (label) { | |
714 | pl = pl_find(label); | |
715 | if (pl) | |
716 | bs = pl->pl_bs; | |
717 | } else { | |
718 | strtosa(peer_str, &psa); | |
89a634c1 | 719 | if (local_str) { |
c2f29cf3 RZ |
720 | strtosa(local_str, &lsa); |
721 | lsap = &lsa; | |
722 | } else | |
723 | lsap = NULL; | |
724 | ||
725 | idx = 0; | |
726 | mhop = argv_find(argv, argc, "multihop", &idx); | |
727 | ||
728 | if (bfd_configure_peer(&bpc, mhop, &psa, lsap, ifname, vrfname, | |
729 | errormsg, sizeof(errormsg)) | |
730 | != 0) { | |
731 | vty_out(vty, "%% Invalid peer configuration: %s\n", | |
732 | errormsg); | |
89a634c1 | 733 | return NULL; |
c2f29cf3 RZ |
734 | } |
735 | ||
736 | bs = bs_peer_find(&bpc); | |
737 | } | |
738 | ||
739 | /* Find peer data. */ | |
740 | if (bs == NULL) { | |
741 | vty_out(vty, "%% Unable to find 'peer %s", | |
742 | label ? label : peer_str); | |
743 | if (ifname) | |
744 | vty_out(vty, " interface %s", ifname); | |
89a634c1 | 745 | if (local_str) |
c2f29cf3 RZ |
746 | vty_out(vty, " local-address %s", local_str); |
747 | if (vrfname) | |
748 | vty_out(vty, " vrf %s", vrfname); | |
749 | vty_out(vty, "'\n"); | |
750 | ||
89a634c1 | 751 | return NULL; |
c2f29cf3 RZ |
752 | } |
753 | ||
89a634c1 RZ |
754 | return bs; |
755 | } | |
756 | ||
757 | ||
758 | /* | |
759 | * Show commands. | |
760 | */ | |
9146cc2a | 761 | DEFPY(bfd_show_peers, bfd_show_peers_cmd, "show bfd [vrf <NAME>] peers [json]", |
89a634c1 RZ |
762 | SHOW_STR |
763 | "Bidirection Forwarding Detection\n" | |
9146cc2a | 764 | VRF_CMD_HELP_STR |
89a634c1 RZ |
765 | "BFD peers status\n" JSON_STR) |
766 | { | |
9146cc2a PG |
767 | char *vrf_name = NULL; |
768 | int idx_vrf = 0; | |
769 | ||
770 | if (argv_find(argv, argc, "vrf", &idx_vrf)) | |
771 | vrf_name = argv[idx_vrf + 1]->arg; | |
772 | ||
773 | _display_all_peers(vty, vrf_name, use_json(argc, argv)); | |
89a634c1 RZ |
774 | |
775 | return CMD_SUCCESS; | |
776 | } | |
777 | ||
778 | DEFPY(bfd_show_peer, bfd_show_peer_cmd, | |
779 | "show bfd peer <WORD$label|<A.B.C.D|X:X::X:X>$peer [{multihop|local-address <A.B.C.D|X:X::X:X>$local|interface IFNAME$ifname|vrf NAME$vrfname}]> [json]", | |
780 | SHOW_STR | |
781 | "Bidirection Forwarding Detection\n" | |
782 | "BFD peers status\n" | |
783 | "Peer label\n" PEER_IPV4_STR PEER_IPV6_STR MHOP_STR LOCAL_STR | |
784 | LOCAL_IPV4_STR LOCAL_IPV6_STR INTERFACE_STR LOCAL_INTF_STR VRF_STR | |
785 | VRF_NAME_STR JSON_STR) | |
786 | { | |
787 | struct bfd_session *bs; | |
788 | ||
789 | /* Look up the BFD peer. */ | |
790 | bs = _find_peer_or_error(vty, argc, argv, label, peer_str, local_str, | |
791 | ifname, vrfname); | |
792 | if (bs == NULL) | |
793 | return CMD_WARNING_CONFIG_FAILED; | |
794 | ||
c2f29cf3 RZ |
795 | if (use_json(argc, argv)) { |
796 | _display_peer_json(vty, bs); | |
797 | } else { | |
798 | vty_out(vty, "BFD Peer:\n"); | |
799 | _display_peer(vty, bs); | |
800 | } | |
801 | ||
802 | return CMD_SUCCESS; | |
803 | } | |
804 | ||
0684c9b1 RZ |
805 | DEFPY(bfd_show_peer_counters, bfd_show_peer_counters_cmd, |
806 | "show bfd peer <WORD$label|<A.B.C.D|X:X::X:X>$peer [{multihop|local-address <A.B.C.D|X:X::X:X>$local|interface IFNAME$ifname|vrf NAME$vrfname}]> counters [json]", | |
807 | SHOW_STR | |
808 | "Bidirection Forwarding Detection\n" | |
809 | "BFD peers status\n" | |
810 | "Peer label\n" | |
811 | PEER_IPV4_STR | |
812 | PEER_IPV6_STR | |
813 | MHOP_STR | |
814 | LOCAL_STR | |
815 | LOCAL_IPV4_STR | |
816 | LOCAL_IPV6_STR | |
817 | INTERFACE_STR | |
818 | LOCAL_INTF_STR | |
819 | VRF_STR | |
820 | VRF_NAME_STR | |
821 | "Show BFD peer counters information\n" | |
822 | JSON_STR) | |
823 | { | |
824 | struct bfd_session *bs; | |
825 | ||
826 | /* Look up the BFD peer. */ | |
827 | bs = _find_peer_or_error(vty, argc, argv, label, peer_str, local_str, | |
828 | ifname, vrfname); | |
829 | if (bs == NULL) | |
830 | return CMD_WARNING_CONFIG_FAILED; | |
831 | ||
832 | if (use_json(argc, argv)) | |
833 | _display_peer_counters_json(vty, bs); | |
834 | else | |
835 | _display_peer_counter(vty, bs); | |
836 | ||
837 | return CMD_SUCCESS; | |
838 | } | |
839 | ||
840 | DEFPY(bfd_show_peers_counters, bfd_show_peers_counters_cmd, | |
841 | "show bfd peers counters [json]", | |
842 | SHOW_STR | |
843 | "Bidirection Forwarding Detection\n" | |
844 | "BFD peers status\n" | |
845 | "Show BFD peer counters information\n" | |
846 | JSON_STR) | |
847 | { | |
848 | _display_peers_counter(vty, use_json(argc, argv)); | |
849 | ||
850 | return CMD_SUCCESS; | |
851 | } | |
852 | ||
c2f29cf3 RZ |
853 | |
854 | /* | |
855 | * Function definitions. | |
856 | */ | |
857 | ||
858 | /* | |
859 | * Configuration rules: | |
860 | * | |
861 | * Single hop: | |
8a9f760e | 862 | * peer + (interface name) |
c2f29cf3 RZ |
863 | * |
864 | * Multi hop: | |
865 | * peer + local + (optional vrf) | |
866 | * | |
867 | * Anything else is misconfiguration. | |
868 | */ | |
869 | static int bfd_configure_peer(struct bfd_peer_cfg *bpc, bool mhop, | |
870 | const struct sockaddr_any *peer, | |
871 | const struct sockaddr_any *local, | |
872 | const char *ifname, const char *vrfname, | |
873 | char *ebuf, size_t ebuflen) | |
874 | { | |
875 | memset(bpc, 0, sizeof(*bpc)); | |
876 | ||
877 | /* Defaults */ | |
878 | bpc->bpc_shutdown = true; | |
879 | bpc->bpc_detectmultiplier = BPC_DEF_DETECTMULTIPLIER; | |
880 | bpc->bpc_recvinterval = BPC_DEF_RECEIVEINTERVAL; | |
881 | bpc->bpc_txinterval = BPC_DEF_TRANSMITINTERVAL; | |
882 | bpc->bpc_echointerval = BPC_DEF_ECHOINTERVAL; | |
883 | bpc->bpc_lastevent = monotime(NULL); | |
884 | ||
885 | /* Safety check: when no error buf is provided len must be zero. */ | |
886 | if (ebuf == NULL) | |
887 | ebuflen = 0; | |
888 | ||
889 | /* Peer is always mandatory. */ | |
890 | if (peer == NULL) { | |
891 | snprintf(ebuf, ebuflen, "peer must not be empty"); | |
892 | return -1; | |
893 | } | |
894 | ||
895 | /* Validate address families. */ | |
896 | if (peer->sa_sin.sin_family == AF_INET) { | |
897 | if (local && local->sa_sin.sin_family != AF_INET) { | |
898 | snprintf(ebuf, ebuflen, | |
899 | "local is IPv6, but peer is IPv4"); | |
900 | return -1; | |
901 | } | |
902 | ||
903 | bpc->bpc_ipv4 = true; | |
904 | } else if (peer->sa_sin.sin_family == AF_INET6) { | |
905 | if (local && local->sa_sin.sin_family != AF_INET6) { | |
906 | snprintf(ebuf, ebuflen, | |
907 | "local is IPv4, but peer is IPv6"); | |
908 | return -1; | |
909 | } | |
910 | ||
911 | bpc->bpc_ipv4 = false; | |
912 | } else { | |
913 | snprintf(ebuf, ebuflen, "invalid peer address family"); | |
914 | return -1; | |
915 | } | |
916 | ||
917 | /* Copy local and/or peer addresses. */ | |
918 | if (local) | |
919 | bpc->bpc_local = *local; | |
920 | ||
4848ef74 | 921 | bpc->bpc_peer = *peer; |
c2f29cf3 RZ |
922 | bpc->bpc_mhop = mhop; |
923 | ||
c2f29cf3 RZ |
924 | /* Handle interface specification configuration. */ |
925 | if (ifname) { | |
926 | if (bpc->bpc_mhop) { | |
927 | snprintf(ebuf, ebuflen, | |
928 | "multihop doesn't accept interface names"); | |
929 | return -1; | |
930 | } | |
931 | ||
932 | bpc->bpc_has_localif = true; | |
933 | if (strlcpy(bpc->bpc_localif, ifname, sizeof(bpc->bpc_localif)) | |
934 | > sizeof(bpc->bpc_localif)) { | |
935 | snprintf(ebuf, ebuflen, "interface name too long"); | |
936 | return -1; | |
937 | } | |
938 | } | |
939 | ||
940 | /* Handle VRF configuration. */ | |
941 | if (vrfname) { | |
942 | bpc->bpc_has_vrfname = true; | |
943 | if (strlcpy(bpc->bpc_vrfname, vrfname, sizeof(bpc->bpc_vrfname)) | |
944 | > sizeof(bpc->bpc_vrfname)) { | |
945 | snprintf(ebuf, ebuflen, "vrf name too long"); | |
946 | return -1; | |
947 | } | |
948 | } | |
949 | ||
950 | return 0; | |
951 | } | |
952 | static int bfdd_write_config(struct vty *vty) | |
953 | { | |
954 | vty_out(vty, "bfd\n"); | |
955 | vty_out(vty, "!\n"); | |
956 | return 0; | |
957 | } | |
958 | ||
d245e522 | 959 | static void _bfdd_peer_write_config(struct vty *vty, struct bfd_session *bs) |
c2f29cf3 | 960 | { |
79b4a6fc RZ |
961 | char addr_buf[INET6_ADDRSTRLEN]; |
962 | ||
963 | vty_out(vty, " peer %s", | |
964 | inet_ntop(bs->key.family, &bs->key.peer, addr_buf, | |
965 | sizeof(addr_buf))); | |
966 | ||
967 | if (bs->key.mhop) | |
c2f29cf3 | 968 | vty_out(vty, " multihop"); |
79b4a6fc RZ |
969 | |
970 | if (memcmp(&bs->key.local, &zero_addr, sizeof(bs->key.local))) | |
971 | vty_out(vty, " local-address %s", | |
972 | inet_ntop(bs->key.family, &bs->key.local, addr_buf, | |
973 | sizeof(addr_buf))); | |
974 | ||
975 | if (bs->key.vrfname[0]) | |
976 | vty_out(vty, " vrf %s", bs->key.vrfname); | |
977 | if (bs->key.ifname[0]) | |
978 | vty_out(vty, " interface %s", bs->key.ifname); | |
979 | vty_out(vty, "\n"); | |
c2f29cf3 | 980 | |
d245e522 | 981 | if (bs->sock == -1) |
261e0ba9 RZ |
982 | vty_out(vty, |
983 | " ! vrf, interface or local-address doesn't exist\n"); | |
d245e522 | 984 | |
c2f29cf3 RZ |
985 | if (bs->detect_mult != BPC_DEF_DETECTMULTIPLIER) |
986 | vty_out(vty, " detect-multiplier %d\n", bs->detect_mult); | |
987 | if (bs->timers.required_min_rx != (BPC_DEF_RECEIVEINTERVAL * 1000)) | |
988 | vty_out(vty, " receive-interval %" PRIu32 "\n", | |
989 | bs->timers.required_min_rx / 1000); | |
f43b9368 | 990 | if (bs->timers.desired_min_tx != (BPC_DEF_TRANSMITINTERVAL * 1000)) |
c2f29cf3 | 991 | vty_out(vty, " transmit-interval %" PRIu32 "\n", |
f43b9368 | 992 | bs->timers.desired_min_tx / 1000); |
c2f29cf3 RZ |
993 | if (bs->timers.required_min_echo != (BPC_DEF_ECHOINTERVAL * 1000)) |
994 | vty_out(vty, " echo-interval %" PRIu32 "\n", | |
995 | bs->timers.required_min_echo / 1000); | |
996 | if (bs->pl) | |
997 | vty_out(vty, " label %s\n", bs->pl->pl_label); | |
998 | if (BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_ECHO)) | |
999 | vty_out(vty, " echo-mode\n"); | |
1000 | ||
1001 | vty_out(vty, " %sshutdown\n", | |
1002 | BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_SHUTDOWN) ? "" : "no "); | |
1003 | ||
1004 | vty_out(vty, " !\n"); | |
1005 | } | |
1006 | ||
a244e599 DS |
1007 | DEFUN_NOSH(show_debugging_bfd, |
1008 | show_debugging_bfd_cmd, | |
1009 | "show debugging [bfd]", | |
1010 | SHOW_STR | |
1011 | DEBUG_STR | |
1012 | "BFD daemon\n") | |
1013 | { | |
1014 | vty_out(vty, "BFD debugging status:\n"); | |
1015 | ||
1016 | return CMD_SUCCESS; | |
1017 | } | |
1018 | ||
e3b78da8 | 1019 | static void _bfdd_peer_write_config_iter(struct hash_bucket *hb, void *arg) |
d245e522 RZ |
1020 | { |
1021 | struct vty *vty = arg; | |
1022 | struct bfd_session *bs = hb->data; | |
1023 | ||
6bdb4a42 PG |
1024 | if (!BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_CONFIG)) |
1025 | return; | |
1026 | ||
d245e522 RZ |
1027 | _bfdd_peer_write_config(vty, bs); |
1028 | } | |
1029 | ||
c2f29cf3 RZ |
1030 | static int bfdd_peer_write_config(struct vty *vty) |
1031 | { | |
d245e522 | 1032 | bfd_id_iterate(_bfdd_peer_write_config_iter, vty); |
d245e522 | 1033 | |
c2f29cf3 RZ |
1034 | return 1; |
1035 | } | |
1036 | ||
1037 | struct cmd_node bfd_node = { | |
1038 | BFD_NODE, | |
1039 | "%s(config-bfd)# ", | |
1040 | 1, | |
1041 | }; | |
1042 | ||
1043 | struct cmd_node bfd_peer_node = { | |
1044 | BFD_PEER_NODE, | |
1045 | "%s(config-bfd-peer)# ", | |
1046 | 1, | |
1047 | }; | |
1048 | ||
1049 | void bfdd_vty_init(void) | |
1050 | { | |
0684c9b1 RZ |
1051 | install_element(ENABLE_NODE, &bfd_show_peers_counters_cmd); |
1052 | install_element(ENABLE_NODE, &bfd_show_peer_counters_cmd); | |
c2f29cf3 RZ |
1053 | install_element(ENABLE_NODE, &bfd_show_peers_cmd); |
1054 | install_element(ENABLE_NODE, &bfd_show_peer_cmd); | |
1055 | install_element(CONFIG_NODE, &bfd_enter_cmd); | |
a244e599 | 1056 | install_element(ENABLE_NODE, &show_debugging_bfd_cmd); |
c2f29cf3 RZ |
1057 | |
1058 | /* Install BFD node and commands. */ | |
1059 | install_node(&bfd_node, bfdd_write_config); | |
1060 | install_default(BFD_NODE); | |
1061 | install_element(BFD_NODE, &bfd_peer_enter_cmd); | |
1062 | install_element(BFD_NODE, &bfd_no_peer_cmd); | |
1063 | ||
1064 | /* Install BFD peer node. */ | |
1065 | install_node(&bfd_peer_node, bfdd_peer_write_config); | |
1066 | install_default(BFD_PEER_NODE); | |
1067 | install_element(BFD_PEER_NODE, &bfd_peer_detectmultiplier_cmd); | |
1068 | install_element(BFD_PEER_NODE, &bfd_peer_recvinterval_cmd); | |
1069 | install_element(BFD_PEER_NODE, &bfd_peer_txinterval_cmd); | |
1070 | install_element(BFD_PEER_NODE, &bfd_peer_echointerval_cmd); | |
1071 | install_element(BFD_PEER_NODE, &bfd_peer_shutdown_cmd); | |
1072 | install_element(BFD_PEER_NODE, &bfd_peer_echo_cmd); | |
1073 | install_element(BFD_PEER_NODE, &bfd_peer_label_cmd); | |
1074 | } |