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Commit | Line | Data |
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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" | |
0287a64a | 26 | #include "lib/northbound_cli.h" |
c2f29cf3 RZ |
27 | #include "lib/vty.h" |
28 | ||
29 | #include "bfd.h" | |
30 | ||
31 | #ifndef VTYSH_EXTRACT_PL | |
32 | #include "bfdd/bfdd_vty_clippy.c" | |
33 | #endif | |
34 | ||
35 | /* | |
36 | * Commands help string definitions. | |
37 | */ | |
c2f29cf3 RZ |
38 | #define PEER_IPV4_STR "IPv4 peer address\n" |
39 | #define PEER_IPV6_STR "IPv6 peer address\n" | |
40 | #define MHOP_STR "Configure multihop\n" | |
41 | #define LOCAL_STR "Configure local address\n" | |
42 | #define LOCAL_IPV4_STR "IPv4 local address\n" | |
43 | #define LOCAL_IPV6_STR "IPv6 local address\n" | |
44 | #define LOCAL_INTF_STR "Configure local interface name to use\n" | |
c2f29cf3 RZ |
45 | |
46 | /* | |
47 | * Prototypes | |
48 | */ | |
c2f29cf3 RZ |
49 | static int bfd_configure_peer(struct bfd_peer_cfg *bpc, bool mhop, |
50 | const struct sockaddr_any *peer, | |
51 | const struct sockaddr_any *local, | |
52 | const char *ifname, const char *vrfname, | |
53 | char *ebuf, size_t ebuflen); | |
54 | ||
89a634c1 | 55 | static void _display_peer_header(struct vty *vty, struct bfd_session *bs); |
c2f29cf3 | 56 | static struct json_object *__display_peer_json(struct bfd_session *bs); |
89a634c1 | 57 | static struct json_object *_peer_json_header(struct bfd_session *bs); |
c2f29cf3 RZ |
58 | static void _display_peer_json(struct vty *vty, struct bfd_session *bs); |
59 | static void _display_peer(struct vty *vty, struct bfd_session *bs); | |
9146cc2a | 60 | static void _display_all_peers(struct vty *vty, char *vrfname, bool use_json); |
e3b78da8 TB |
61 | static void _display_peer_iter(struct hash_bucket *hb, void *arg); |
62 | static void _display_peer_json_iter(struct hash_bucket *hb, void *arg); | |
0684c9b1 RZ |
63 | static void _display_peer_counter(struct vty *vty, struct bfd_session *bs); |
64 | static struct json_object *__display_peer_counters_json(struct bfd_session *bs); | |
65 | static void _display_peer_counters_json(struct vty *vty, struct bfd_session *bs); | |
e3b78da8 TB |
66 | static void _display_peer_counter_iter(struct hash_bucket *hb, void *arg); |
67 | static void _display_peer_counter_json_iter(struct hash_bucket *hb, void *arg); | |
6f374165 | 68 | static void _display_peers_counter(struct vty *vty, char *vrfname, bool use_json); |
89a634c1 RZ |
69 | static struct bfd_session * |
70 | _find_peer_or_error(struct vty *vty, int argc, struct cmd_token **argv, | |
71 | const char *label, const char *peer_str, | |
72 | const char *local_str, const char *ifname, | |
73 | const char *vrfname); | |
c2f29cf3 | 74 | |
c2f29cf3 RZ |
75 | |
76 | /* | |
77 | * Show commands helper functions | |
78 | */ | |
89a634c1 | 79 | static void _display_peer_header(struct vty *vty, struct bfd_session *bs) |
c2f29cf3 | 80 | { |
79b4a6fc RZ |
81 | char addr_buf[INET6_ADDRSTRLEN]; |
82 | ||
83 | vty_out(vty, "\tpeer %s", | |
84 | inet_ntop(bs->key.family, &bs->key.peer, addr_buf, | |
85 | sizeof(addr_buf))); | |
86 | ||
87 | if (BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_MH)) | |
c2f29cf3 | 88 | vty_out(vty, " multihop"); |
79b4a6fc RZ |
89 | |
90 | if (memcmp(&bs->key.local, &zero_addr, sizeof(bs->key.local))) | |
91 | vty_out(vty, " local-address %s", | |
92 | inet_ntop(bs->key.family, &bs->key.local, addr_buf, | |
93 | sizeof(addr_buf))); | |
94 | ||
95 | if (bs->key.vrfname[0]) | |
96 | vty_out(vty, " vrf %s", bs->key.vrfname); | |
97 | if (bs->key.ifname[0]) | |
98 | vty_out(vty, " interface %s", bs->key.ifname); | |
99 | vty_out(vty, "\n"); | |
c2f29cf3 RZ |
100 | |
101 | if (bs->pl) | |
102 | vty_out(vty, "\t\tlabel: %s\n", bs->pl->pl_label); | |
89a634c1 RZ |
103 | } |
104 | ||
105 | static void _display_peer(struct vty *vty, struct bfd_session *bs) | |
106 | { | |
107 | char buf[256]; | |
108 | time_t now; | |
109 | ||
110 | _display_peer_header(vty, bs); | |
c2f29cf3 RZ |
111 | |
112 | vty_out(vty, "\t\tID: %u\n", bs->discrs.my_discr); | |
113 | vty_out(vty, "\t\tRemote ID: %u\n", bs->discrs.remote_discr); | |
114 | ||
115 | vty_out(vty, "\t\tStatus: "); | |
116 | switch (bs->ses_state) { | |
117 | case PTM_BFD_ADM_DOWN: | |
118 | vty_out(vty, "shutdown\n"); | |
119 | break; | |
120 | case PTM_BFD_DOWN: | |
121 | vty_out(vty, "down\n"); | |
122 | ||
123 | now = monotime(NULL); | |
98ef9c16 | 124 | integer2timestr(now - bs->downtime.tv_sec, buf, sizeof(buf)); |
c2f29cf3 RZ |
125 | vty_out(vty, "\t\tDowntime: %s\n", buf); |
126 | break; | |
127 | case PTM_BFD_INIT: | |
128 | vty_out(vty, "init\n"); | |
129 | break; | |
130 | case PTM_BFD_UP: | |
131 | vty_out(vty, "up\n"); | |
132 | ||
133 | now = monotime(NULL); | |
134 | integer2timestr(now - bs->uptime.tv_sec, buf, sizeof(buf)); | |
135 | vty_out(vty, "\t\tUptime: %s\n", buf); | |
136 | break; | |
137 | ||
138 | default: | |
139 | vty_out(vty, "unknown\n"); | |
140 | break; | |
141 | } | |
142 | ||
143 | vty_out(vty, "\t\tDiagnostics: %s\n", diag2str(bs->local_diag)); | |
144 | vty_out(vty, "\t\tRemote diagnostics: %s\n", diag2str(bs->remote_diag)); | |
145 | ||
146 | vty_out(vty, "\t\tLocal timers:\n"); | |
147 | vty_out(vty, "\t\t\tReceive interval: %" PRIu32 "ms\n", | |
148 | bs->timers.required_min_rx / 1000); | |
f43b9368 | 149 | vty_out(vty, "\t\t\tTransmission interval: %" PRIu32 "ms\n", |
c2f29cf3 | 150 | bs->timers.desired_min_tx / 1000); |
f43b9368 RZ |
151 | vty_out(vty, "\t\t\tEcho transmission interval: %" PRIu32 "ms\n", |
152 | bs->timers.required_min_echo / 1000); | |
c2f29cf3 RZ |
153 | |
154 | vty_out(vty, "\t\tRemote timers:\n"); | |
155 | vty_out(vty, "\t\t\tReceive interval: %" PRIu32 "ms\n", | |
156 | bs->remote_timers.required_min_rx / 1000); | |
157 | vty_out(vty, "\t\t\tTransmission interval: %" PRIu32 "ms\n", | |
158 | bs->remote_timers.desired_min_tx / 1000); | |
159 | vty_out(vty, "\t\t\tEcho transmission interval: %" PRIu32 "ms\n", | |
160 | bs->remote_timers.required_min_echo / 1000); | |
161 | ||
162 | vty_out(vty, "\n"); | |
163 | } | |
164 | ||
89a634c1 | 165 | static struct json_object *_peer_json_header(struct bfd_session *bs) |
c2f29cf3 RZ |
166 | { |
167 | struct json_object *jo = json_object_new_object(); | |
79b4a6fc | 168 | char addr_buf[INET6_ADDRSTRLEN]; |
c2f29cf3 | 169 | |
79b4a6fc | 170 | if (bs->key.mhop) |
c2f29cf3 | 171 | json_object_boolean_true_add(jo, "multihop"); |
79b4a6fc | 172 | else |
c2f29cf3 | 173 | json_object_boolean_false_add(jo, "multihop"); |
79b4a6fc RZ |
174 | |
175 | json_object_string_add(jo, "peer", | |
176 | inet_ntop(bs->key.family, &bs->key.peer, | |
177 | addr_buf, sizeof(addr_buf))); | |
178 | if (memcmp(&bs->key.local, &zero_addr, sizeof(bs->key.local))) | |
179 | json_object_string_add(jo, "local", | |
180 | inet_ntop(bs->key.family, &bs->key.local, | |
181 | addr_buf, sizeof(addr_buf))); | |
182 | ||
183 | if (bs->key.vrfname[0]) | |
184 | json_object_string_add(jo, "vrf", bs->key.vrfname); | |
185 | if (bs->key.ifname[0]) | |
186 | json_object_string_add(jo, "interface", bs->key.ifname); | |
c2f29cf3 RZ |
187 | |
188 | if (bs->pl) | |
189 | json_object_string_add(jo, "label", bs->pl->pl_label); | |
190 | ||
89a634c1 RZ |
191 | return jo; |
192 | } | |
193 | ||
194 | static struct json_object *__display_peer_json(struct bfd_session *bs) | |
195 | { | |
196 | struct json_object *jo = _peer_json_header(bs); | |
197 | ||
c2f29cf3 RZ |
198 | json_object_int_add(jo, "id", bs->discrs.my_discr); |
199 | json_object_int_add(jo, "remote-id", bs->discrs.remote_discr); | |
200 | ||
201 | switch (bs->ses_state) { | |
202 | case PTM_BFD_ADM_DOWN: | |
203 | json_object_string_add(jo, "status", "shutdown"); | |
204 | break; | |
205 | case PTM_BFD_DOWN: | |
206 | json_object_string_add(jo, "status", "down"); | |
207 | json_object_int_add(jo, "downtime", | |
98ef9c16 | 208 | monotime(NULL) - bs->downtime.tv_sec); |
c2f29cf3 RZ |
209 | break; |
210 | case PTM_BFD_INIT: | |
211 | json_object_string_add(jo, "status", "init"); | |
212 | break; | |
213 | case PTM_BFD_UP: | |
214 | json_object_string_add(jo, "status", "up"); | |
215 | json_object_int_add(jo, "uptime", | |
216 | monotime(NULL) - bs->uptime.tv_sec); | |
217 | break; | |
218 | ||
219 | default: | |
220 | json_object_string_add(jo, "status", "unknown"); | |
221 | break; | |
222 | } | |
223 | ||
224 | json_object_string_add(jo, "diagnostic", diag2str(bs->local_diag)); | |
225 | json_object_string_add(jo, "remote-diagnostic", | |
226 | diag2str(bs->remote_diag)); | |
227 | ||
228 | json_object_int_add(jo, "receive-interval", | |
229 | bs->timers.required_min_rx / 1000); | |
230 | json_object_int_add(jo, "transmit-interval", | |
231 | bs->timers.desired_min_tx / 1000); | |
232 | if (BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_ECHO)) | |
233 | json_object_int_add(jo, "echo-interval", | |
234 | bs->timers.required_min_echo / 1000); | |
235 | else | |
236 | json_object_int_add(jo, "echo-interval", 0); | |
237 | ||
238 | json_object_int_add(jo, "remote-receive-interval", | |
239 | bs->remote_timers.required_min_rx / 1000); | |
240 | json_object_int_add(jo, "remote-transmit-interval", | |
241 | bs->remote_timers.desired_min_tx / 1000); | |
242 | json_object_int_add(jo, "remote-echo-interval", | |
243 | bs->remote_timers.required_min_echo / 1000); | |
244 | ||
245 | return jo; | |
246 | } | |
247 | ||
248 | static void _display_peer_json(struct vty *vty, struct bfd_session *bs) | |
249 | { | |
250 | struct json_object *jo = __display_peer_json(bs); | |
251 | ||
252 | vty_out(vty, "%s\n", json_object_to_json_string_ext(jo, 0)); | |
253 | json_object_free(jo); | |
254 | } | |
255 | ||
9146cc2a PG |
256 | struct bfd_vrf_tuple { |
257 | char *vrfname; | |
258 | struct vty *vty; | |
259 | struct json_object *jo; | |
260 | }; | |
261 | ||
e3b78da8 | 262 | static void _display_peer_iter(struct hash_bucket *hb, void *arg) |
c2f29cf3 | 263 | { |
9146cc2a PG |
264 | struct bfd_vrf_tuple *bvt = (struct bfd_vrf_tuple *)arg; |
265 | struct vty *vty; | |
c2f29cf3 RZ |
266 | struct bfd_session *bs = hb->data; |
267 | ||
9146cc2a PG |
268 | if (!bvt) |
269 | return; | |
270 | vty = bvt->vty; | |
271 | ||
272 | if (bvt->vrfname) { | |
273 | if (!bs->key.vrfname[0] || | |
274 | !strmatch(bs->key.vrfname, bvt->vrfname)) | |
275 | return; | |
276 | } | |
c2f29cf3 RZ |
277 | _display_peer(vty, bs); |
278 | } | |
279 | ||
e3b78da8 | 280 | static void _display_peer_json_iter(struct hash_bucket *hb, void *arg) |
c2f29cf3 | 281 | { |
9146cc2a PG |
282 | struct bfd_vrf_tuple *bvt = (struct bfd_vrf_tuple *)arg; |
283 | struct json_object *jo, *jon = NULL; | |
c2f29cf3 RZ |
284 | struct bfd_session *bs = hb->data; |
285 | ||
9146cc2a PG |
286 | if (!bvt) |
287 | return; | |
288 | jo = bvt->jo; | |
289 | ||
290 | if (bvt->vrfname) { | |
291 | if (!bs->key.vrfname[0] || | |
292 | !strmatch(bs->key.vrfname, bvt->vrfname)) | |
293 | return; | |
294 | } | |
295 | ||
c2f29cf3 RZ |
296 | jon = __display_peer_json(bs); |
297 | if (jon == NULL) { | |
298 | log_warning("%s: not enough memory", __func__); | |
299 | return; | |
300 | } | |
301 | ||
302 | json_object_array_add(jo, jon); | |
303 | } | |
304 | ||
9146cc2a | 305 | static void _display_all_peers(struct vty *vty, char *vrfname, bool use_json) |
c2f29cf3 RZ |
306 | { |
307 | struct json_object *jo; | |
9146cc2a PG |
308 | struct bfd_vrf_tuple bvt; |
309 | ||
310 | memset(&bvt, 0, sizeof(bvt)); | |
311 | bvt.vrfname = vrfname; | |
c2f29cf3 | 312 | |
d8729f8c | 313 | if (!use_json) { |
9146cc2a | 314 | bvt.vty = vty; |
89a634c1 | 315 | vty_out(vty, "BFD Peers:\n"); |
9146cc2a | 316 | bfd_id_iterate(_display_peer_iter, &bvt); |
c2f29cf3 RZ |
317 | return; |
318 | } | |
319 | ||
320 | jo = json_object_new_array(); | |
9146cc2a PG |
321 | bvt.jo = jo; |
322 | bfd_id_iterate(_display_peer_json_iter, &bvt); | |
c2f29cf3 RZ |
323 | |
324 | vty_out(vty, "%s\n", json_object_to_json_string_ext(jo, 0)); | |
325 | json_object_free(jo); | |
326 | } | |
327 | ||
0684c9b1 RZ |
328 | static void _display_peer_counter(struct vty *vty, struct bfd_session *bs) |
329 | { | |
330 | _display_peer_header(vty, bs); | |
331 | ||
332 | vty_out(vty, "\t\tControl packet input: %" PRIu64 " packets\n", | |
333 | bs->stats.rx_ctrl_pkt); | |
334 | vty_out(vty, "\t\tControl packet output: %" PRIu64 " packets\n", | |
335 | bs->stats.tx_ctrl_pkt); | |
336 | vty_out(vty, "\t\tEcho packet input: %" PRIu64 " packets\n", | |
337 | bs->stats.rx_echo_pkt); | |
338 | vty_out(vty, "\t\tEcho packet output: %" PRIu64 " packets\n", | |
339 | bs->stats.tx_echo_pkt); | |
340 | vty_out(vty, "\t\tSession up events: %" PRIu64 "\n", | |
341 | bs->stats.session_up); | |
342 | vty_out(vty, "\t\tSession down events: %" PRIu64 "\n", | |
343 | bs->stats.session_down); | |
344 | vty_out(vty, "\t\tZebra notifications: %" PRIu64 "\n", | |
345 | bs->stats.znotification); | |
346 | vty_out(vty, "\n"); | |
347 | } | |
348 | ||
349 | static struct json_object *__display_peer_counters_json(struct bfd_session *bs) | |
350 | { | |
351 | struct json_object *jo = _peer_json_header(bs); | |
352 | ||
353 | json_object_int_add(jo, "control-packet-input", bs->stats.rx_ctrl_pkt); | |
354 | json_object_int_add(jo, "control-packet-output", bs->stats.tx_ctrl_pkt); | |
355 | json_object_int_add(jo, "echo-packet-input", bs->stats.rx_echo_pkt); | |
356 | json_object_int_add(jo, "echo-packet-output", bs->stats.tx_echo_pkt); | |
357 | json_object_int_add(jo, "session-up", bs->stats.session_up); | |
358 | json_object_int_add(jo, "session-down", bs->stats.session_down); | |
359 | json_object_int_add(jo, "zebra-notifications", bs->stats.znotification); | |
360 | ||
361 | return jo; | |
362 | } | |
363 | ||
364 | static void _display_peer_counters_json(struct vty *vty, struct bfd_session *bs) | |
365 | { | |
366 | struct json_object *jo = __display_peer_counters_json(bs); | |
367 | ||
368 | vty_out(vty, "%s\n", json_object_to_json_string_ext(jo, 0)); | |
369 | json_object_free(jo); | |
370 | } | |
371 | ||
e3b78da8 | 372 | static void _display_peer_counter_iter(struct hash_bucket *hb, void *arg) |
0684c9b1 | 373 | { |
6f374165 PG |
374 | struct bfd_vrf_tuple *bvt = arg; |
375 | struct vty *vty; | |
0684c9b1 RZ |
376 | struct bfd_session *bs = hb->data; |
377 | ||
6f374165 PG |
378 | if (!bvt) |
379 | return; | |
380 | vty = bvt->vty; | |
381 | ||
382 | if (bvt->vrfname) { | |
383 | if (!bs->key.vrfname[0] || | |
384 | !strmatch(bs->key.vrfname, bvt->vrfname)) | |
385 | return; | |
386 | } | |
387 | ||
0684c9b1 RZ |
388 | _display_peer_counter(vty, bs); |
389 | } | |
390 | ||
e3b78da8 | 391 | static void _display_peer_counter_json_iter(struct hash_bucket *hb, void *arg) |
0684c9b1 | 392 | { |
6f374165 | 393 | struct json_object *jo, *jon = NULL; |
0684c9b1 | 394 | struct bfd_session *bs = hb->data; |
6f374165 PG |
395 | struct bfd_vrf_tuple *bvt = arg; |
396 | ||
397 | if (!bvt) | |
398 | return; | |
399 | jo = bvt->jo; | |
400 | ||
401 | if (bvt->vrfname) { | |
402 | if (!bs->key.vrfname[0] || | |
403 | !strmatch(bs->key.vrfname, bvt->vrfname)) | |
404 | return; | |
405 | } | |
0684c9b1 RZ |
406 | |
407 | jon = __display_peer_counters_json(bs); | |
408 | if (jon == NULL) { | |
409 | log_warning("%s: not enough memory", __func__); | |
410 | return; | |
411 | } | |
412 | ||
413 | json_object_array_add(jo, jon); | |
414 | } | |
415 | ||
6f374165 | 416 | static void _display_peers_counter(struct vty *vty, char *vrfname, bool use_json) |
0684c9b1 RZ |
417 | { |
418 | struct json_object *jo; | |
6f374165 | 419 | struct bfd_vrf_tuple bvt; |
0684c9b1 | 420 | |
6f374165 PG |
421 | memset(&bvt, 0, sizeof(struct bfd_vrf_tuple)); |
422 | bvt.vrfname = vrfname; | |
d8729f8c | 423 | if (!use_json) { |
6f374165 | 424 | bvt.vty = vty; |
0684c9b1 | 425 | vty_out(vty, "BFD Peers:\n"); |
6f374165 | 426 | bfd_id_iterate(_display_peer_counter_iter, &bvt); |
0684c9b1 RZ |
427 | return; |
428 | } | |
429 | ||
430 | jo = json_object_new_array(); | |
6f374165 | 431 | bvt.jo = jo; |
0684c9b1 RZ |
432 | bfd_id_iterate(_display_peer_counter_json_iter, jo); |
433 | ||
434 | vty_out(vty, "%s\n", json_object_to_json_string_ext(jo, 0)); | |
435 | json_object_free(jo); | |
436 | } | |
437 | ||
89a634c1 RZ |
438 | static struct bfd_session * |
439 | _find_peer_or_error(struct vty *vty, int argc, struct cmd_token **argv, | |
440 | const char *label, const char *peer_str, | |
441 | const char *local_str, const char *ifname, | |
442 | const char *vrfname) | |
c2f29cf3 RZ |
443 | { |
444 | int idx; | |
445 | bool mhop; | |
446 | struct bfd_session *bs = NULL; | |
447 | struct peer_label *pl; | |
448 | struct bfd_peer_cfg bpc; | |
449 | struct sockaddr_any psa, lsa, *lsap; | |
450 | char errormsg[128]; | |
451 | ||
452 | /* Look up the BFD peer. */ | |
453 | if (label) { | |
454 | pl = pl_find(label); | |
455 | if (pl) | |
456 | bs = pl->pl_bs; | |
457 | } else { | |
458 | strtosa(peer_str, &psa); | |
89a634c1 | 459 | if (local_str) { |
c2f29cf3 RZ |
460 | strtosa(local_str, &lsa); |
461 | lsap = &lsa; | |
462 | } else | |
463 | lsap = NULL; | |
464 | ||
465 | idx = 0; | |
466 | mhop = argv_find(argv, argc, "multihop", &idx); | |
467 | ||
468 | if (bfd_configure_peer(&bpc, mhop, &psa, lsap, ifname, vrfname, | |
469 | errormsg, sizeof(errormsg)) | |
470 | != 0) { | |
471 | vty_out(vty, "%% Invalid peer configuration: %s\n", | |
472 | errormsg); | |
89a634c1 | 473 | return NULL; |
c2f29cf3 RZ |
474 | } |
475 | ||
476 | bs = bs_peer_find(&bpc); | |
477 | } | |
478 | ||
479 | /* Find peer data. */ | |
480 | if (bs == NULL) { | |
481 | vty_out(vty, "%% Unable to find 'peer %s", | |
482 | label ? label : peer_str); | |
483 | if (ifname) | |
484 | vty_out(vty, " interface %s", ifname); | |
89a634c1 | 485 | if (local_str) |
c2f29cf3 RZ |
486 | vty_out(vty, " local-address %s", local_str); |
487 | if (vrfname) | |
488 | vty_out(vty, " vrf %s", vrfname); | |
489 | vty_out(vty, "'\n"); | |
490 | ||
89a634c1 | 491 | return NULL; |
c2f29cf3 RZ |
492 | } |
493 | ||
89a634c1 RZ |
494 | return bs; |
495 | } | |
496 | ||
497 | ||
498 | /* | |
499 | * Show commands. | |
500 | */ | |
1e81afc3 | 501 | DEFPY(bfd_show_peers, bfd_show_peers_cmd, "show bfd [vrf NAME] peers [json]", |
89a634c1 RZ |
502 | SHOW_STR |
503 | "Bidirection Forwarding Detection\n" | |
9146cc2a | 504 | VRF_CMD_HELP_STR |
89a634c1 RZ |
505 | "BFD peers status\n" JSON_STR) |
506 | { | |
9146cc2a PG |
507 | char *vrf_name = NULL; |
508 | int idx_vrf = 0; | |
509 | ||
510 | if (argv_find(argv, argc, "vrf", &idx_vrf)) | |
511 | vrf_name = argv[idx_vrf + 1]->arg; | |
512 | ||
513 | _display_all_peers(vty, vrf_name, use_json(argc, argv)); | |
89a634c1 RZ |
514 | |
515 | return CMD_SUCCESS; | |
516 | } | |
517 | ||
518 | DEFPY(bfd_show_peer, bfd_show_peer_cmd, | |
1e81afc3 | 519 | "show bfd [vrf NAME$vrf_name] peer <WORD$label|<A.B.C.D|X:X::X:X>$peer [{multihop|local-address <A.B.C.D|X:X::X:X>$local|interface IFNAME$ifname}]> [json]", |
89a634c1 RZ |
520 | SHOW_STR |
521 | "Bidirection Forwarding Detection\n" | |
533ba31f | 522 | VRF_CMD_HELP_STR |
89a634c1 RZ |
523 | "BFD peers status\n" |
524 | "Peer label\n" PEER_IPV4_STR PEER_IPV6_STR MHOP_STR LOCAL_STR | |
533ba31f | 525 | LOCAL_IPV4_STR LOCAL_IPV6_STR INTERFACE_STR LOCAL_INTF_STR JSON_STR) |
89a634c1 RZ |
526 | { |
527 | struct bfd_session *bs; | |
528 | ||
529 | /* Look up the BFD peer. */ | |
530 | bs = _find_peer_or_error(vty, argc, argv, label, peer_str, local_str, | |
e429a2a0 | 531 | ifname, vrf_name); |
89a634c1 RZ |
532 | if (bs == NULL) |
533 | return CMD_WARNING_CONFIG_FAILED; | |
534 | ||
c2f29cf3 RZ |
535 | if (use_json(argc, argv)) { |
536 | _display_peer_json(vty, bs); | |
537 | } else { | |
538 | vty_out(vty, "BFD Peer:\n"); | |
539 | _display_peer(vty, bs); | |
540 | } | |
541 | ||
542 | return CMD_SUCCESS; | |
543 | } | |
544 | ||
0684c9b1 | 545 | DEFPY(bfd_show_peer_counters, bfd_show_peer_counters_cmd, |
1e81afc3 | 546 | "show bfd [vrf NAME$vrf_name] 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}]> counters [json]", |
0684c9b1 RZ |
547 | SHOW_STR |
548 | "Bidirection Forwarding Detection\n" | |
533ba31f | 549 | VRF_CMD_HELP_STR |
0684c9b1 RZ |
550 | "BFD peers status\n" |
551 | "Peer label\n" | |
552 | PEER_IPV4_STR | |
553 | PEER_IPV6_STR | |
554 | MHOP_STR | |
555 | LOCAL_STR | |
556 | LOCAL_IPV4_STR | |
557 | LOCAL_IPV6_STR | |
558 | INTERFACE_STR | |
559 | LOCAL_INTF_STR | |
0684c9b1 RZ |
560 | "Show BFD peer counters information\n" |
561 | JSON_STR) | |
562 | { | |
563 | struct bfd_session *bs; | |
564 | ||
565 | /* Look up the BFD peer. */ | |
566 | bs = _find_peer_or_error(vty, argc, argv, label, peer_str, local_str, | |
e429a2a0 | 567 | ifname, vrf_name); |
0684c9b1 RZ |
568 | if (bs == NULL) |
569 | return CMD_WARNING_CONFIG_FAILED; | |
570 | ||
571 | if (use_json(argc, argv)) | |
572 | _display_peer_counters_json(vty, bs); | |
573 | else | |
574 | _display_peer_counter(vty, bs); | |
575 | ||
576 | return CMD_SUCCESS; | |
577 | } | |
578 | ||
579 | DEFPY(bfd_show_peers_counters, bfd_show_peers_counters_cmd, | |
1e81afc3 | 580 | "show bfd [vrf NAME] peers counters [json]", |
0684c9b1 RZ |
581 | SHOW_STR |
582 | "Bidirection Forwarding Detection\n" | |
6f374165 | 583 | VRF_CMD_HELP_STR |
0684c9b1 RZ |
584 | "BFD peers status\n" |
585 | "Show BFD peer counters information\n" | |
586 | JSON_STR) | |
587 | { | |
6f374165 PG |
588 | char *vrf_name = NULL; |
589 | int idx_vrf = 0; | |
590 | ||
591 | if (argv_find(argv, argc, "vrf", &idx_vrf)) | |
592 | vrf_name = argv[idx_vrf + 1]->arg; | |
593 | ||
594 | _display_peers_counter(vty, vrf_name, use_json(argc, argv)); | |
0684c9b1 RZ |
595 | |
596 | return CMD_SUCCESS; | |
597 | } | |
598 | ||
c2f29cf3 RZ |
599 | |
600 | /* | |
601 | * Function definitions. | |
602 | */ | |
603 | ||
604 | /* | |
605 | * Configuration rules: | |
606 | * | |
607 | * Single hop: | |
8a9f760e | 608 | * peer + (interface name) |
c2f29cf3 RZ |
609 | * |
610 | * Multi hop: | |
611 | * peer + local + (optional vrf) | |
612 | * | |
613 | * Anything else is misconfiguration. | |
614 | */ | |
615 | static int bfd_configure_peer(struct bfd_peer_cfg *bpc, bool mhop, | |
616 | const struct sockaddr_any *peer, | |
617 | const struct sockaddr_any *local, | |
618 | const char *ifname, const char *vrfname, | |
619 | char *ebuf, size_t ebuflen) | |
620 | { | |
621 | memset(bpc, 0, sizeof(*bpc)); | |
622 | ||
623 | /* Defaults */ | |
624 | bpc->bpc_shutdown = true; | |
625 | bpc->bpc_detectmultiplier = BPC_DEF_DETECTMULTIPLIER; | |
626 | bpc->bpc_recvinterval = BPC_DEF_RECEIVEINTERVAL; | |
627 | bpc->bpc_txinterval = BPC_DEF_TRANSMITINTERVAL; | |
628 | bpc->bpc_echointerval = BPC_DEF_ECHOINTERVAL; | |
629 | bpc->bpc_lastevent = monotime(NULL); | |
630 | ||
631 | /* Safety check: when no error buf is provided len must be zero. */ | |
632 | if (ebuf == NULL) | |
633 | ebuflen = 0; | |
634 | ||
635 | /* Peer is always mandatory. */ | |
636 | if (peer == NULL) { | |
637 | snprintf(ebuf, ebuflen, "peer must not be empty"); | |
638 | return -1; | |
639 | } | |
640 | ||
641 | /* Validate address families. */ | |
642 | if (peer->sa_sin.sin_family == AF_INET) { | |
643 | if (local && local->sa_sin.sin_family != AF_INET) { | |
644 | snprintf(ebuf, ebuflen, | |
645 | "local is IPv6, but peer is IPv4"); | |
646 | return -1; | |
647 | } | |
648 | ||
649 | bpc->bpc_ipv4 = true; | |
650 | } else if (peer->sa_sin.sin_family == AF_INET6) { | |
651 | if (local && local->sa_sin.sin_family != AF_INET6) { | |
652 | snprintf(ebuf, ebuflen, | |
653 | "local is IPv4, but peer is IPv6"); | |
654 | return -1; | |
655 | } | |
656 | ||
657 | bpc->bpc_ipv4 = false; | |
658 | } else { | |
659 | snprintf(ebuf, ebuflen, "invalid peer address family"); | |
660 | return -1; | |
661 | } | |
662 | ||
663 | /* Copy local and/or peer addresses. */ | |
664 | if (local) | |
665 | bpc->bpc_local = *local; | |
666 | ||
4848ef74 | 667 | bpc->bpc_peer = *peer; |
c2f29cf3 RZ |
668 | bpc->bpc_mhop = mhop; |
669 | ||
c2f29cf3 RZ |
670 | /* Handle interface specification configuration. */ |
671 | if (ifname) { | |
c2f29cf3 RZ |
672 | bpc->bpc_has_localif = true; |
673 | if (strlcpy(bpc->bpc_localif, ifname, sizeof(bpc->bpc_localif)) | |
674 | > sizeof(bpc->bpc_localif)) { | |
675 | snprintf(ebuf, ebuflen, "interface name too long"); | |
676 | return -1; | |
677 | } | |
678 | } | |
679 | ||
680 | /* Handle VRF configuration. */ | |
681 | if (vrfname) { | |
682 | bpc->bpc_has_vrfname = true; | |
683 | if (strlcpy(bpc->bpc_vrfname, vrfname, sizeof(bpc->bpc_vrfname)) | |
684 | > sizeof(bpc->bpc_vrfname)) { | |
685 | snprintf(ebuf, ebuflen, "vrf name too long"); | |
686 | return -1; | |
687 | } | |
e0f36c91 PG |
688 | } else { |
689 | bpc->bpc_has_vrfname = true; | |
690 | strlcpy(bpc->bpc_vrfname, VRF_DEFAULT_NAME, sizeof(bpc->bpc_vrfname)); | |
c2f29cf3 RZ |
691 | } |
692 | ||
693 | return 0; | |
694 | } | |
c2f29cf3 | 695 | |
a244e599 DS |
696 | DEFUN_NOSH(show_debugging_bfd, |
697 | show_debugging_bfd_cmd, | |
698 | "show debugging [bfd]", | |
699 | SHOW_STR | |
700 | DEBUG_STR | |
701 | "BFD daemon\n") | |
702 | { | |
703 | vty_out(vty, "BFD debugging status:\n"); | |
704 | ||
705 | return CMD_SUCCESS; | |
706 | } | |
707 | ||
c2f29cf3 RZ |
708 | struct cmd_node bfd_node = { |
709 | BFD_NODE, | |
710 | "%s(config-bfd)# ", | |
711 | 1, | |
712 | }; | |
713 | ||
714 | struct cmd_node bfd_peer_node = { | |
715 | BFD_PEER_NODE, | |
716 | "%s(config-bfd-peer)# ", | |
717 | 1, | |
718 | }; | |
719 | ||
0287a64a RZ |
720 | static int bfdd_write_config(struct vty *vty) |
721 | { | |
722 | struct lyd_node *dnode; | |
723 | int written = 0; | |
724 | ||
725 | dnode = yang_dnode_get(running_config->dnode, "/frr-bfdd:bfdd"); | |
726 | if (dnode) { | |
727 | nb_cli_show_dnode_cmds(vty, dnode, false); | |
728 | written = 1; | |
729 | } | |
730 | ||
731 | return written; | |
732 | } | |
733 | ||
c2f29cf3 RZ |
734 | void bfdd_vty_init(void) |
735 | { | |
0684c9b1 RZ |
736 | install_element(ENABLE_NODE, &bfd_show_peers_counters_cmd); |
737 | install_element(ENABLE_NODE, &bfd_show_peer_counters_cmd); | |
c2f29cf3 RZ |
738 | install_element(ENABLE_NODE, &bfd_show_peers_cmd); |
739 | install_element(ENABLE_NODE, &bfd_show_peer_cmd); | |
a244e599 | 740 | install_element(ENABLE_NODE, &show_debugging_bfd_cmd); |
c2f29cf3 RZ |
741 | |
742 | /* Install BFD node and commands. */ | |
743 | install_node(&bfd_node, bfdd_write_config); | |
744 | install_default(BFD_NODE); | |
c2f29cf3 RZ |
745 | |
746 | /* Install BFD peer node. */ | |
0287a64a | 747 | install_node(&bfd_peer_node, NULL); |
c2f29cf3 | 748 | install_default(BFD_PEER_NODE); |
adc26455 RZ |
749 | |
750 | bfdd_cli_init(); | |
c2f29cf3 | 751 | } |