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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)); | |
825e3b94 S |
145 | vty_out(vty, "\t\tPeer Type: %s\n", |
146 | BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_CONFIG) ? "configured" : "dynamic"); | |
c2f29cf3 RZ |
147 | |
148 | vty_out(vty, "\t\tLocal timers:\n"); | |
825e3b94 S |
149 | vty_out(vty, "\t\t\tDetect-multiplier: %" PRIu32 "\n", |
150 | bs->detect_mult); | |
c2f29cf3 RZ |
151 | vty_out(vty, "\t\t\tReceive interval: %" PRIu32 "ms\n", |
152 | bs->timers.required_min_rx / 1000); | |
f43b9368 | 153 | vty_out(vty, "\t\t\tTransmission interval: %" PRIu32 "ms\n", |
c2f29cf3 | 154 | bs->timers.desired_min_tx / 1000); |
f43b9368 RZ |
155 | vty_out(vty, "\t\t\tEcho transmission interval: %" PRIu32 "ms\n", |
156 | bs->timers.required_min_echo / 1000); | |
c2f29cf3 RZ |
157 | |
158 | vty_out(vty, "\t\tRemote timers:\n"); | |
825e3b94 S |
159 | vty_out(vty, "\t\t\tDetect-multiplier: %" PRIu32 "\n", |
160 | bs->remote_detect_mult); | |
c2f29cf3 RZ |
161 | vty_out(vty, "\t\t\tReceive interval: %" PRIu32 "ms\n", |
162 | bs->remote_timers.required_min_rx / 1000); | |
163 | vty_out(vty, "\t\t\tTransmission interval: %" PRIu32 "ms\n", | |
164 | bs->remote_timers.desired_min_tx / 1000); | |
165 | vty_out(vty, "\t\t\tEcho transmission interval: %" PRIu32 "ms\n", | |
166 | bs->remote_timers.required_min_echo / 1000); | |
167 | ||
168 | vty_out(vty, "\n"); | |
169 | } | |
170 | ||
89a634c1 | 171 | static struct json_object *_peer_json_header(struct bfd_session *bs) |
c2f29cf3 RZ |
172 | { |
173 | struct json_object *jo = json_object_new_object(); | |
79b4a6fc | 174 | char addr_buf[INET6_ADDRSTRLEN]; |
c2f29cf3 | 175 | |
79b4a6fc | 176 | if (bs->key.mhop) |
c2f29cf3 | 177 | json_object_boolean_true_add(jo, "multihop"); |
79b4a6fc | 178 | else |
c2f29cf3 | 179 | json_object_boolean_false_add(jo, "multihop"); |
79b4a6fc RZ |
180 | |
181 | json_object_string_add(jo, "peer", | |
182 | inet_ntop(bs->key.family, &bs->key.peer, | |
183 | addr_buf, sizeof(addr_buf))); | |
184 | if (memcmp(&bs->key.local, &zero_addr, sizeof(bs->key.local))) | |
185 | json_object_string_add(jo, "local", | |
186 | inet_ntop(bs->key.family, &bs->key.local, | |
187 | addr_buf, sizeof(addr_buf))); | |
188 | ||
189 | if (bs->key.vrfname[0]) | |
190 | json_object_string_add(jo, "vrf", bs->key.vrfname); | |
191 | if (bs->key.ifname[0]) | |
192 | json_object_string_add(jo, "interface", bs->key.ifname); | |
c2f29cf3 RZ |
193 | |
194 | if (bs->pl) | |
195 | json_object_string_add(jo, "label", bs->pl->pl_label); | |
196 | ||
89a634c1 RZ |
197 | return jo; |
198 | } | |
199 | ||
200 | static struct json_object *__display_peer_json(struct bfd_session *bs) | |
201 | { | |
202 | struct json_object *jo = _peer_json_header(bs); | |
203 | ||
c2f29cf3 RZ |
204 | json_object_int_add(jo, "id", bs->discrs.my_discr); |
205 | json_object_int_add(jo, "remote-id", bs->discrs.remote_discr); | |
206 | ||
207 | switch (bs->ses_state) { | |
208 | case PTM_BFD_ADM_DOWN: | |
209 | json_object_string_add(jo, "status", "shutdown"); | |
210 | break; | |
211 | case PTM_BFD_DOWN: | |
212 | json_object_string_add(jo, "status", "down"); | |
213 | json_object_int_add(jo, "downtime", | |
98ef9c16 | 214 | monotime(NULL) - bs->downtime.tv_sec); |
c2f29cf3 RZ |
215 | break; |
216 | case PTM_BFD_INIT: | |
217 | json_object_string_add(jo, "status", "init"); | |
218 | break; | |
219 | case PTM_BFD_UP: | |
220 | json_object_string_add(jo, "status", "up"); | |
221 | json_object_int_add(jo, "uptime", | |
222 | monotime(NULL) - bs->uptime.tv_sec); | |
223 | break; | |
224 | ||
225 | default: | |
226 | json_object_string_add(jo, "status", "unknown"); | |
227 | break; | |
228 | } | |
229 | ||
230 | json_object_string_add(jo, "diagnostic", diag2str(bs->local_diag)); | |
231 | json_object_string_add(jo, "remote-diagnostic", | |
232 | diag2str(bs->remote_diag)); | |
233 | ||
234 | json_object_int_add(jo, "receive-interval", | |
235 | bs->timers.required_min_rx / 1000); | |
236 | json_object_int_add(jo, "transmit-interval", | |
237 | bs->timers.desired_min_tx / 1000); | |
238 | if (BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_ECHO)) | |
239 | json_object_int_add(jo, "echo-interval", | |
240 | bs->timers.required_min_echo / 1000); | |
241 | else | |
242 | json_object_int_add(jo, "echo-interval", 0); | |
243 | ||
1d0a11e6 S |
244 | json_object_int_add(jo, "detect-multiplier", bs->detect_mult); |
245 | ||
c2f29cf3 RZ |
246 | json_object_int_add(jo, "remote-receive-interval", |
247 | bs->remote_timers.required_min_rx / 1000); | |
248 | json_object_int_add(jo, "remote-transmit-interval", | |
249 | bs->remote_timers.desired_min_tx / 1000); | |
250 | json_object_int_add(jo, "remote-echo-interval", | |
251 | bs->remote_timers.required_min_echo / 1000); | |
1d0a11e6 S |
252 | json_object_int_add(jo, "remote-detect-multiplier", |
253 | bs->remote_detect_mult); | |
c2f29cf3 RZ |
254 | |
255 | return jo; | |
256 | } | |
257 | ||
258 | static void _display_peer_json(struct vty *vty, struct bfd_session *bs) | |
259 | { | |
260 | struct json_object *jo = __display_peer_json(bs); | |
261 | ||
262 | vty_out(vty, "%s\n", json_object_to_json_string_ext(jo, 0)); | |
263 | json_object_free(jo); | |
264 | } | |
265 | ||
9146cc2a | 266 | struct bfd_vrf_tuple { |
fa6e709f | 267 | const char *vrfname; |
9146cc2a PG |
268 | struct vty *vty; |
269 | struct json_object *jo; | |
270 | }; | |
271 | ||
e3b78da8 | 272 | static void _display_peer_iter(struct hash_bucket *hb, void *arg) |
c2f29cf3 | 273 | { |
9146cc2a PG |
274 | struct bfd_vrf_tuple *bvt = (struct bfd_vrf_tuple *)arg; |
275 | struct vty *vty; | |
c2f29cf3 RZ |
276 | struct bfd_session *bs = hb->data; |
277 | ||
9146cc2a PG |
278 | if (!bvt) |
279 | return; | |
280 | vty = bvt->vty; | |
281 | ||
282 | if (bvt->vrfname) { | |
283 | if (!bs->key.vrfname[0] || | |
284 | !strmatch(bs->key.vrfname, bvt->vrfname)) | |
285 | return; | |
286 | } | |
c2f29cf3 RZ |
287 | _display_peer(vty, bs); |
288 | } | |
289 | ||
e3b78da8 | 290 | static void _display_peer_json_iter(struct hash_bucket *hb, void *arg) |
c2f29cf3 | 291 | { |
9146cc2a PG |
292 | struct bfd_vrf_tuple *bvt = (struct bfd_vrf_tuple *)arg; |
293 | struct json_object *jo, *jon = NULL; | |
c2f29cf3 RZ |
294 | struct bfd_session *bs = hb->data; |
295 | ||
9146cc2a PG |
296 | if (!bvt) |
297 | return; | |
298 | jo = bvt->jo; | |
299 | ||
300 | if (bvt->vrfname) { | |
301 | if (!bs->key.vrfname[0] || | |
302 | !strmatch(bs->key.vrfname, bvt->vrfname)) | |
303 | return; | |
304 | } | |
305 | ||
c2f29cf3 RZ |
306 | jon = __display_peer_json(bs); |
307 | if (jon == NULL) { | |
308 | log_warning("%s: not enough memory", __func__); | |
309 | return; | |
310 | } | |
311 | ||
312 | json_object_array_add(jo, jon); | |
313 | } | |
314 | ||
9146cc2a | 315 | static void _display_all_peers(struct vty *vty, char *vrfname, bool use_json) |
c2f29cf3 RZ |
316 | { |
317 | struct json_object *jo; | |
1d0a11e6 | 318 | struct bfd_vrf_tuple bvt = {0}; |
9146cc2a | 319 | |
9146cc2a | 320 | bvt.vrfname = vrfname; |
c2f29cf3 | 321 | |
d8729f8c | 322 | if (!use_json) { |
9146cc2a | 323 | bvt.vty = vty; |
89a634c1 | 324 | vty_out(vty, "BFD Peers:\n"); |
9146cc2a | 325 | bfd_id_iterate(_display_peer_iter, &bvt); |
c2f29cf3 RZ |
326 | return; |
327 | } | |
328 | ||
329 | jo = json_object_new_array(); | |
9146cc2a PG |
330 | bvt.jo = jo; |
331 | bfd_id_iterate(_display_peer_json_iter, &bvt); | |
c2f29cf3 RZ |
332 | |
333 | vty_out(vty, "%s\n", json_object_to_json_string_ext(jo, 0)); | |
334 | json_object_free(jo); | |
335 | } | |
336 | ||
0684c9b1 RZ |
337 | static void _display_peer_counter(struct vty *vty, struct bfd_session *bs) |
338 | { | |
339 | _display_peer_header(vty, bs); | |
340 | ||
341 | vty_out(vty, "\t\tControl packet input: %" PRIu64 " packets\n", | |
342 | bs->stats.rx_ctrl_pkt); | |
343 | vty_out(vty, "\t\tControl packet output: %" PRIu64 " packets\n", | |
344 | bs->stats.tx_ctrl_pkt); | |
345 | vty_out(vty, "\t\tEcho packet input: %" PRIu64 " packets\n", | |
346 | bs->stats.rx_echo_pkt); | |
347 | vty_out(vty, "\t\tEcho packet output: %" PRIu64 " packets\n", | |
348 | bs->stats.tx_echo_pkt); | |
349 | vty_out(vty, "\t\tSession up events: %" PRIu64 "\n", | |
350 | bs->stats.session_up); | |
351 | vty_out(vty, "\t\tSession down events: %" PRIu64 "\n", | |
352 | bs->stats.session_down); | |
353 | vty_out(vty, "\t\tZebra notifications: %" PRIu64 "\n", | |
354 | bs->stats.znotification); | |
355 | vty_out(vty, "\n"); | |
356 | } | |
357 | ||
358 | static struct json_object *__display_peer_counters_json(struct bfd_session *bs) | |
359 | { | |
360 | struct json_object *jo = _peer_json_header(bs); | |
361 | ||
362 | json_object_int_add(jo, "control-packet-input", bs->stats.rx_ctrl_pkt); | |
363 | json_object_int_add(jo, "control-packet-output", bs->stats.tx_ctrl_pkt); | |
364 | json_object_int_add(jo, "echo-packet-input", bs->stats.rx_echo_pkt); | |
365 | json_object_int_add(jo, "echo-packet-output", bs->stats.tx_echo_pkt); | |
366 | json_object_int_add(jo, "session-up", bs->stats.session_up); | |
367 | json_object_int_add(jo, "session-down", bs->stats.session_down); | |
368 | json_object_int_add(jo, "zebra-notifications", bs->stats.znotification); | |
369 | ||
370 | return jo; | |
371 | } | |
372 | ||
373 | static void _display_peer_counters_json(struct vty *vty, struct bfd_session *bs) | |
374 | { | |
375 | struct json_object *jo = __display_peer_counters_json(bs); | |
376 | ||
377 | vty_out(vty, "%s\n", json_object_to_json_string_ext(jo, 0)); | |
378 | json_object_free(jo); | |
379 | } | |
380 | ||
e3b78da8 | 381 | static void _display_peer_counter_iter(struct hash_bucket *hb, void *arg) |
0684c9b1 | 382 | { |
6f374165 PG |
383 | struct bfd_vrf_tuple *bvt = arg; |
384 | struct vty *vty; | |
0684c9b1 RZ |
385 | struct bfd_session *bs = hb->data; |
386 | ||
6f374165 PG |
387 | if (!bvt) |
388 | return; | |
389 | vty = bvt->vty; | |
390 | ||
391 | if (bvt->vrfname) { | |
392 | if (!bs->key.vrfname[0] || | |
393 | !strmatch(bs->key.vrfname, bvt->vrfname)) | |
394 | return; | |
395 | } | |
396 | ||
0684c9b1 RZ |
397 | _display_peer_counter(vty, bs); |
398 | } | |
399 | ||
e3b78da8 | 400 | static void _display_peer_counter_json_iter(struct hash_bucket *hb, void *arg) |
0684c9b1 | 401 | { |
6f374165 | 402 | struct json_object *jo, *jon = NULL; |
0684c9b1 | 403 | struct bfd_session *bs = hb->data; |
6f374165 PG |
404 | struct bfd_vrf_tuple *bvt = arg; |
405 | ||
406 | if (!bvt) | |
407 | return; | |
408 | jo = bvt->jo; | |
409 | ||
410 | if (bvt->vrfname) { | |
411 | if (!bs->key.vrfname[0] || | |
412 | !strmatch(bs->key.vrfname, bvt->vrfname)) | |
413 | return; | |
414 | } | |
0684c9b1 RZ |
415 | |
416 | jon = __display_peer_counters_json(bs); | |
417 | if (jon == NULL) { | |
418 | log_warning("%s: not enough memory", __func__); | |
419 | return; | |
420 | } | |
421 | ||
422 | json_object_array_add(jo, jon); | |
423 | } | |
424 | ||
6f374165 | 425 | static void _display_peers_counter(struct vty *vty, char *vrfname, bool use_json) |
0684c9b1 RZ |
426 | { |
427 | struct json_object *jo; | |
1d0a11e6 | 428 | struct bfd_vrf_tuple bvt = {0}; |
0684c9b1 | 429 | |
6f374165 | 430 | bvt.vrfname = vrfname; |
d8729f8c | 431 | if (!use_json) { |
6f374165 | 432 | bvt.vty = vty; |
0684c9b1 | 433 | vty_out(vty, "BFD Peers:\n"); |
6f374165 | 434 | bfd_id_iterate(_display_peer_counter_iter, &bvt); |
0684c9b1 RZ |
435 | return; |
436 | } | |
437 | ||
438 | jo = json_object_new_array(); | |
6f374165 | 439 | bvt.jo = jo; |
0684c9b1 RZ |
440 | bfd_id_iterate(_display_peer_counter_json_iter, jo); |
441 | ||
442 | vty_out(vty, "%s\n", json_object_to_json_string_ext(jo, 0)); | |
443 | json_object_free(jo); | |
444 | } | |
445 | ||
d6790033 S |
446 | static void _clear_peer_counter(struct bfd_session *bs) |
447 | { | |
448 | /* Clear only pkt stats, intention is not to loose system | |
449 | events counters */ | |
450 | bs->stats.rx_ctrl_pkt = 0; | |
451 | bs->stats.tx_ctrl_pkt = 0; | |
452 | bs->stats.rx_echo_pkt = 0; | |
453 | bs->stats.tx_echo_pkt = 0; | |
454 | } | |
455 | ||
fa6e709f S |
456 | static void _display_peer_brief(struct vty *vty, struct bfd_session *bs) |
457 | { | |
458 | char addr_buf[INET6_ADDRSTRLEN]; | |
459 | ||
460 | if (BFD_CHECK_FLAG(bs->flags, BFD_SESS_FLAG_MH)) { | |
461 | vty_out(vty, "%-10u", bs->discrs.my_discr); | |
462 | inet_ntop(bs->key.family, &bs->key.local, addr_buf, sizeof(addr_buf)); | |
463 | vty_out(vty, " %-40s", addr_buf); | |
464 | inet_ntop(bs->key.family, &bs->key.peer, addr_buf, sizeof(addr_buf)); | |
465 | vty_out(vty, " %-40s", addr_buf); | |
466 | vty_out(vty, "%-15s\n", state_list[bs->ses_state].str); | |
467 | } else { | |
468 | vty_out(vty, "%-10u", bs->discrs.my_discr); | |
469 | vty_out(vty, " %-40s", satostr(&bs->local_address)); | |
470 | inet_ntop(bs->key.family, &bs->key.peer, addr_buf, sizeof(addr_buf)); | |
471 | vty_out(vty, " %-40s", addr_buf); | |
472 | ||
473 | vty_out(vty, "%-15s\n", state_list[bs->ses_state].str); | |
474 | } | |
475 | } | |
476 | ||
7f5818fb | 477 | static void _display_peer_brief_iter(struct hash_bucket *hb, void *arg) |
fa6e709f S |
478 | { |
479 | struct bfd_vrf_tuple *bvt = arg; | |
480 | struct vty *vty; | |
481 | struct bfd_session *bs = hb->data; | |
482 | ||
483 | if (!bvt) | |
484 | return; | |
485 | vty = bvt->vty; | |
486 | ||
487 | if (bvt->vrfname) { | |
488 | if (!bs->key.vrfname[0] || | |
489 | !strmatch(bs->key.vrfname, bvt->vrfname)) | |
490 | return; | |
491 | } | |
492 | ||
493 | _display_peer_brief(vty, bs); | |
494 | } | |
495 | ||
496 | static void _display_peers_brief(struct vty *vty, const char *vrfname, bool use_json) | |
497 | { | |
498 | struct json_object *jo; | |
1d0a11e6 | 499 | struct bfd_vrf_tuple bvt = {0}; |
fa6e709f | 500 | |
fa6e709f S |
501 | bvt.vrfname = vrfname; |
502 | ||
a8f58eb6 | 503 | if (!use_json) { |
fa6e709f S |
504 | bvt.vty = vty; |
505 | ||
506 | vty_out(vty, "Session count: %lu\n", bfd_get_session_count()); | |
507 | vty_out(vty, "%-10s", "SessionId"); | |
508 | vty_out(vty, " %-40s", "LocalAddress"); | |
509 | vty_out(vty, " %-40s", "PeerAddress"); | |
510 | vty_out(vty, "%-15s\n", "Status"); | |
511 | ||
512 | vty_out(vty, "%-10s", "========="); | |
513 | vty_out(vty, " %-40s", "============"); | |
514 | vty_out(vty, " %-40s", "==========="); | |
515 | vty_out(vty, "%-15s\n", "======"); | |
516 | ||
517 | bfd_id_iterate(_display_peer_brief_iter, &bvt); | |
518 | return; | |
519 | } | |
520 | ||
521 | jo = json_object_new_array(); | |
522 | bvt.jo = jo; | |
523 | ||
524 | bfd_id_iterate(_display_peer_json_iter, &bvt); | |
525 | ||
526 | vty_out(vty, "%s\n", json_object_to_json_string_ext(jo, 0)); | |
527 | json_object_free(jo); | |
528 | } | |
529 | ||
89a634c1 RZ |
530 | static struct bfd_session * |
531 | _find_peer_or_error(struct vty *vty, int argc, struct cmd_token **argv, | |
532 | const char *label, const char *peer_str, | |
533 | const char *local_str, const char *ifname, | |
534 | const char *vrfname) | |
c2f29cf3 RZ |
535 | { |
536 | int idx; | |
537 | bool mhop; | |
538 | struct bfd_session *bs = NULL; | |
539 | struct peer_label *pl; | |
540 | struct bfd_peer_cfg bpc; | |
541 | struct sockaddr_any psa, lsa, *lsap; | |
542 | char errormsg[128]; | |
543 | ||
544 | /* Look up the BFD peer. */ | |
545 | if (label) { | |
546 | pl = pl_find(label); | |
547 | if (pl) | |
548 | bs = pl->pl_bs; | |
549 | } else { | |
550 | strtosa(peer_str, &psa); | |
89a634c1 | 551 | if (local_str) { |
c2f29cf3 RZ |
552 | strtosa(local_str, &lsa); |
553 | lsap = &lsa; | |
554 | } else | |
555 | lsap = NULL; | |
556 | ||
557 | idx = 0; | |
558 | mhop = argv_find(argv, argc, "multihop", &idx); | |
559 | ||
560 | if (bfd_configure_peer(&bpc, mhop, &psa, lsap, ifname, vrfname, | |
561 | errormsg, sizeof(errormsg)) | |
562 | != 0) { | |
563 | vty_out(vty, "%% Invalid peer configuration: %s\n", | |
564 | errormsg); | |
89a634c1 | 565 | return NULL; |
c2f29cf3 RZ |
566 | } |
567 | ||
568 | bs = bs_peer_find(&bpc); | |
569 | } | |
570 | ||
571 | /* Find peer data. */ | |
572 | if (bs == NULL) { | |
573 | vty_out(vty, "%% Unable to find 'peer %s", | |
574 | label ? label : peer_str); | |
575 | if (ifname) | |
576 | vty_out(vty, " interface %s", ifname); | |
89a634c1 | 577 | if (local_str) |
c2f29cf3 RZ |
578 | vty_out(vty, " local-address %s", local_str); |
579 | if (vrfname) | |
580 | vty_out(vty, " vrf %s", vrfname); | |
581 | vty_out(vty, "'\n"); | |
582 | ||
89a634c1 | 583 | return NULL; |
c2f29cf3 RZ |
584 | } |
585 | ||
89a634c1 RZ |
586 | return bs; |
587 | } | |
588 | ||
589 | ||
590 | /* | |
591 | * Show commands. | |
592 | */ | |
1e81afc3 | 593 | DEFPY(bfd_show_peers, bfd_show_peers_cmd, "show bfd [vrf NAME] peers [json]", |
89a634c1 RZ |
594 | SHOW_STR |
595 | "Bidirection Forwarding Detection\n" | |
9146cc2a | 596 | VRF_CMD_HELP_STR |
89a634c1 RZ |
597 | "BFD peers status\n" JSON_STR) |
598 | { | |
9146cc2a PG |
599 | char *vrf_name = NULL; |
600 | int idx_vrf = 0; | |
601 | ||
602 | if (argv_find(argv, argc, "vrf", &idx_vrf)) | |
603 | vrf_name = argv[idx_vrf + 1]->arg; | |
604 | ||
605 | _display_all_peers(vty, vrf_name, use_json(argc, argv)); | |
89a634c1 RZ |
606 | |
607 | return CMD_SUCCESS; | |
608 | } | |
609 | ||
610 | DEFPY(bfd_show_peer, bfd_show_peer_cmd, | |
1e81afc3 | 611 | "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$ifname}]> [json]", |
89a634c1 RZ |
612 | SHOW_STR |
613 | "Bidirection Forwarding Detection\n" | |
533ba31f | 614 | VRF_CMD_HELP_STR |
89a634c1 RZ |
615 | "BFD peers status\n" |
616 | "Peer label\n" PEER_IPV4_STR PEER_IPV6_STR MHOP_STR LOCAL_STR | |
533ba31f | 617 | LOCAL_IPV4_STR LOCAL_IPV6_STR INTERFACE_STR LOCAL_INTF_STR JSON_STR) |
89a634c1 RZ |
618 | { |
619 | struct bfd_session *bs; | |
620 | ||
621 | /* Look up the BFD peer. */ | |
622 | bs = _find_peer_or_error(vty, argc, argv, label, peer_str, local_str, | |
e429a2a0 | 623 | ifname, vrf_name); |
89a634c1 RZ |
624 | if (bs == NULL) |
625 | return CMD_WARNING_CONFIG_FAILED; | |
626 | ||
c2f29cf3 RZ |
627 | if (use_json(argc, argv)) { |
628 | _display_peer_json(vty, bs); | |
629 | } else { | |
630 | vty_out(vty, "BFD Peer:\n"); | |
631 | _display_peer(vty, bs); | |
632 | } | |
633 | ||
634 | return CMD_SUCCESS; | |
635 | } | |
636 | ||
0684c9b1 | 637 | DEFPY(bfd_show_peer_counters, bfd_show_peer_counters_cmd, |
1e81afc3 | 638 | "show bfd [vrf NAME$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 |
639 | SHOW_STR |
640 | "Bidirection Forwarding Detection\n" | |
533ba31f | 641 | VRF_CMD_HELP_STR |
0684c9b1 RZ |
642 | "BFD peers status\n" |
643 | "Peer label\n" | |
644 | PEER_IPV4_STR | |
645 | PEER_IPV6_STR | |
646 | MHOP_STR | |
647 | LOCAL_STR | |
648 | LOCAL_IPV4_STR | |
649 | LOCAL_IPV6_STR | |
650 | INTERFACE_STR | |
651 | LOCAL_INTF_STR | |
0684c9b1 RZ |
652 | "Show BFD peer counters information\n" |
653 | JSON_STR) | |
654 | { | |
655 | struct bfd_session *bs; | |
656 | ||
657 | /* Look up the BFD peer. */ | |
658 | bs = _find_peer_or_error(vty, argc, argv, label, peer_str, local_str, | |
e429a2a0 | 659 | ifname, vrf_name); |
0684c9b1 RZ |
660 | if (bs == NULL) |
661 | return CMD_WARNING_CONFIG_FAILED; | |
662 | ||
663 | if (use_json(argc, argv)) | |
664 | _display_peer_counters_json(vty, bs); | |
665 | else | |
666 | _display_peer_counter(vty, bs); | |
667 | ||
668 | return CMD_SUCCESS; | |
669 | } | |
670 | ||
671 | DEFPY(bfd_show_peers_counters, bfd_show_peers_counters_cmd, | |
1e81afc3 | 672 | "show bfd [vrf NAME] peers counters [json]", |
0684c9b1 RZ |
673 | SHOW_STR |
674 | "Bidirection Forwarding Detection\n" | |
6f374165 | 675 | VRF_CMD_HELP_STR |
0684c9b1 RZ |
676 | "BFD peers status\n" |
677 | "Show BFD peer counters information\n" | |
678 | JSON_STR) | |
679 | { | |
6f374165 PG |
680 | char *vrf_name = NULL; |
681 | int idx_vrf = 0; | |
682 | ||
683 | if (argv_find(argv, argc, "vrf", &idx_vrf)) | |
684 | vrf_name = argv[idx_vrf + 1]->arg; | |
685 | ||
686 | _display_peers_counter(vty, vrf_name, use_json(argc, argv)); | |
0684c9b1 RZ |
687 | |
688 | return CMD_SUCCESS; | |
689 | } | |
690 | ||
d6790033 S |
691 | DEFPY(bfd_clear_peer_counters, bfd_clear_peer_counters_cmd, |
692 | "clear bfd [vrf <NAME$vrfname>] peer <WORD$label|<A.B.C.D|X:X::X:X>$peer [{multihop|local-address <A.B.C.D|X:X::X:X>$local|interface IFNAME$ifname}]> counters", | |
693 | SHOW_STR | |
694 | "Bidirection Forwarding Detection\n" | |
695 | VRF_CMD_HELP_STR | |
696 | "BFD peers status\n" | |
697 | "Peer label\n" | |
698 | PEER_IPV4_STR | |
699 | PEER_IPV6_STR | |
700 | MHOP_STR | |
701 | LOCAL_STR | |
702 | LOCAL_IPV4_STR | |
703 | LOCAL_IPV6_STR | |
704 | INTERFACE_STR | |
705 | LOCAL_INTF_STR | |
706 | "clear BFD peer counters information\n") | |
707 | { | |
708 | struct bfd_session *bs; | |
709 | ||
710 | /* Look up the BFD peer. */ | |
711 | bs = _find_peer_or_error(vty, argc, argv, label, peer_str, local_str, | |
712 | ifname, vrfname); | |
713 | if (bs == NULL) | |
714 | return CMD_WARNING_CONFIG_FAILED; | |
715 | ||
716 | _clear_peer_counter(bs); | |
717 | ||
718 | return CMD_SUCCESS; | |
719 | } | |
c2f29cf3 | 720 | |
fa6e709f S |
721 | DEFPY(bfd_show_peers_brief, bfd_show_peers_brief_cmd, |
722 | "show bfd [vrf <NAME$vrfname>] peers brief [json]", | |
723 | SHOW_STR | |
724 | "Bidirection Forwarding Detection\n" | |
725 | VRF_CMD_HELP_STR | |
726 | "BFD peers status\n" | |
727 | "Show BFD peer information in tabular form\n" | |
728 | JSON_STR) | |
729 | { | |
1d0a11e6 S |
730 | char *vrf_name = NULL; |
731 | int idx_vrf = 0; | |
732 | ||
733 | if (argv_find(argv, argc, "vrf", &idx_vrf)) | |
734 | vrf_name = argv[idx_vrf + 1]->arg; | |
735 | ||
736 | _display_peers_brief(vty, vrf_name, use_json(argc, argv)); | |
fa6e709f S |
737 | |
738 | return CMD_SUCCESS; | |
739 | } | |
740 | ||
c2f29cf3 RZ |
741 | /* |
742 | * Function definitions. | |
743 | */ | |
744 | ||
745 | /* | |
746 | * Configuration rules: | |
747 | * | |
748 | * Single hop: | |
8a9f760e | 749 | * peer + (interface name) |
c2f29cf3 RZ |
750 | * |
751 | * Multi hop: | |
752 | * peer + local + (optional vrf) | |
753 | * | |
754 | * Anything else is misconfiguration. | |
755 | */ | |
756 | static int bfd_configure_peer(struct bfd_peer_cfg *bpc, bool mhop, | |
757 | const struct sockaddr_any *peer, | |
758 | const struct sockaddr_any *local, | |
759 | const char *ifname, const char *vrfname, | |
760 | char *ebuf, size_t ebuflen) | |
761 | { | |
762 | memset(bpc, 0, sizeof(*bpc)); | |
763 | ||
764 | /* Defaults */ | |
765 | bpc->bpc_shutdown = true; | |
766 | bpc->bpc_detectmultiplier = BPC_DEF_DETECTMULTIPLIER; | |
767 | bpc->bpc_recvinterval = BPC_DEF_RECEIVEINTERVAL; | |
768 | bpc->bpc_txinterval = BPC_DEF_TRANSMITINTERVAL; | |
769 | bpc->bpc_echointerval = BPC_DEF_ECHOINTERVAL; | |
770 | bpc->bpc_lastevent = monotime(NULL); | |
771 | ||
772 | /* Safety check: when no error buf is provided len must be zero. */ | |
773 | if (ebuf == NULL) | |
774 | ebuflen = 0; | |
775 | ||
776 | /* Peer is always mandatory. */ | |
777 | if (peer == NULL) { | |
778 | snprintf(ebuf, ebuflen, "peer must not be empty"); | |
779 | return -1; | |
780 | } | |
781 | ||
782 | /* Validate address families. */ | |
783 | if (peer->sa_sin.sin_family == AF_INET) { | |
784 | if (local && local->sa_sin.sin_family != AF_INET) { | |
785 | snprintf(ebuf, ebuflen, | |
786 | "local is IPv6, but peer is IPv4"); | |
787 | return -1; | |
788 | } | |
789 | ||
790 | bpc->bpc_ipv4 = true; | |
791 | } else if (peer->sa_sin.sin_family == AF_INET6) { | |
792 | if (local && local->sa_sin.sin_family != AF_INET6) { | |
793 | snprintf(ebuf, ebuflen, | |
794 | "local is IPv4, but peer is IPv6"); | |
795 | return -1; | |
796 | } | |
797 | ||
798 | bpc->bpc_ipv4 = false; | |
799 | } else { | |
800 | snprintf(ebuf, ebuflen, "invalid peer address family"); | |
801 | return -1; | |
802 | } | |
803 | ||
804 | /* Copy local and/or peer addresses. */ | |
805 | if (local) | |
806 | bpc->bpc_local = *local; | |
807 | ||
4848ef74 | 808 | bpc->bpc_peer = *peer; |
c2f29cf3 RZ |
809 | bpc->bpc_mhop = mhop; |
810 | ||
c2f29cf3 RZ |
811 | /* Handle interface specification configuration. */ |
812 | if (ifname) { | |
c2f29cf3 RZ |
813 | bpc->bpc_has_localif = true; |
814 | if (strlcpy(bpc->bpc_localif, ifname, sizeof(bpc->bpc_localif)) | |
815 | > sizeof(bpc->bpc_localif)) { | |
816 | snprintf(ebuf, ebuflen, "interface name too long"); | |
817 | return -1; | |
818 | } | |
819 | } | |
820 | ||
821 | /* Handle VRF configuration. */ | |
822 | if (vrfname) { | |
823 | bpc->bpc_has_vrfname = true; | |
824 | if (strlcpy(bpc->bpc_vrfname, vrfname, sizeof(bpc->bpc_vrfname)) | |
825 | > sizeof(bpc->bpc_vrfname)) { | |
826 | snprintf(ebuf, ebuflen, "vrf name too long"); | |
827 | return -1; | |
828 | } | |
e0f36c91 PG |
829 | } else { |
830 | bpc->bpc_has_vrfname = true; | |
831 | strlcpy(bpc->bpc_vrfname, VRF_DEFAULT_NAME, sizeof(bpc->bpc_vrfname)); | |
c2f29cf3 RZ |
832 | } |
833 | ||
834 | return 0; | |
835 | } | |
c2f29cf3 | 836 | |
a244e599 DS |
837 | DEFUN_NOSH(show_debugging_bfd, |
838 | show_debugging_bfd_cmd, | |
839 | "show debugging [bfd]", | |
840 | SHOW_STR | |
841 | DEBUG_STR | |
842 | "BFD daemon\n") | |
843 | { | |
844 | vty_out(vty, "BFD debugging status:\n"); | |
845 | ||
846 | return CMD_SUCCESS; | |
847 | } | |
848 | ||
c2f29cf3 RZ |
849 | struct cmd_node bfd_node = { |
850 | BFD_NODE, | |
851 | "%s(config-bfd)# ", | |
852 | 1, | |
853 | }; | |
854 | ||
855 | struct cmd_node bfd_peer_node = { | |
856 | BFD_PEER_NODE, | |
857 | "%s(config-bfd-peer)# ", | |
858 | 1, | |
859 | }; | |
860 | ||
0287a64a RZ |
861 | static int bfdd_write_config(struct vty *vty) |
862 | { | |
863 | struct lyd_node *dnode; | |
864 | int written = 0; | |
865 | ||
866 | dnode = yang_dnode_get(running_config->dnode, "/frr-bfdd:bfdd"); | |
867 | if (dnode) { | |
868 | nb_cli_show_dnode_cmds(vty, dnode, false); | |
869 | written = 1; | |
870 | } | |
871 | ||
872 | return written; | |
873 | } | |
874 | ||
c2f29cf3 RZ |
875 | void bfdd_vty_init(void) |
876 | { | |
0684c9b1 RZ |
877 | install_element(ENABLE_NODE, &bfd_show_peers_counters_cmd); |
878 | install_element(ENABLE_NODE, &bfd_show_peer_counters_cmd); | |
d6790033 | 879 | install_element(ENABLE_NODE, &bfd_clear_peer_counters_cmd); |
c2f29cf3 RZ |
880 | install_element(ENABLE_NODE, &bfd_show_peers_cmd); |
881 | install_element(ENABLE_NODE, &bfd_show_peer_cmd); | |
fa6e709f | 882 | install_element(ENABLE_NODE, &bfd_show_peers_brief_cmd); |
a244e599 | 883 | install_element(ENABLE_NODE, &show_debugging_bfd_cmd); |
c2f29cf3 RZ |
884 | |
885 | /* Install BFD node and commands. */ | |
886 | install_node(&bfd_node, bfdd_write_config); | |
887 | install_default(BFD_NODE); | |
c2f29cf3 RZ |
888 | |
889 | /* Install BFD peer node. */ | |
0287a64a | 890 | install_node(&bfd_peer_node, NULL); |
c2f29cf3 | 891 | install_default(BFD_PEER_NODE); |
adc26455 RZ |
892 | |
893 | bfdd_cli_init(); | |
c2f29cf3 | 894 | } |