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6c574029 RW |
1 | /* |
2 | * BFD daemon northbound implementation. | |
3 | * | |
4 | * Copyright (C) 2019 Network Device Education Foundation, Inc. ("NetDEF") | |
5 | * Rafael Zalamena | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
20 | * 02110-1301 USA. | |
21 | */ | |
22 | ||
23 | #include <zebra.h> | |
24 | ||
25 | #include "lib/log.h" | |
26 | #include "lib/northbound.h" | |
27 | ||
28 | #include "bfd.h" | |
29 | #include "bfdd_nb.h" | |
30 | ||
31 | /* | |
32 | * Helpers. | |
33 | */ | |
34 | static void bfd_session_get_key(bool mhop, const struct lyd_node *dnode, | |
35 | struct bfd_key *bk) | |
36 | { | |
37 | const char *ifname = NULL, *vrfname = NULL; | |
38 | struct sockaddr_any psa, lsa; | |
39 | ||
40 | /* Required destination parameter. */ | |
41 | strtosa(yang_dnode_get_string(dnode, "./dest-addr"), &psa); | |
42 | ||
43 | /* Get optional source address. */ | |
44 | memset(&lsa, 0, sizeof(lsa)); | |
45 | if (yang_dnode_exists(dnode, "./source-addr")) | |
46 | strtosa(yang_dnode_get_string(dnode, "./source-addr"), &lsa); | |
47 | ||
2e8d2925 IR |
48 | ifname = yang_dnode_get_string(dnode, "./interface"); |
49 | vrfname = yang_dnode_get_string(dnode, "./vrf"); | |
6c574029 | 50 | |
4ec8e74b IR |
51 | if (strcmp(ifname, "*") == 0) |
52 | ifname = NULL; | |
53 | ||
6c574029 RW |
54 | /* Generate the corresponding key. */ |
55 | gen_bfd_key(bk, &psa, &lsa, mhop, ifname, vrfname); | |
56 | } | |
57 | ||
58 | static int bfd_session_create(enum nb_event event, const struct lyd_node *dnode, | |
59 | union nb_resource *resource, bool mhop) | |
60 | { | |
61 | struct bfd_session *bs; | |
62 | const char *ifname; | |
63 | struct bfd_key bk; | |
64 | struct prefix p; | |
65 | ||
66 | switch (event) { | |
67 | case NB_EV_VALIDATE: | |
68 | /* | |
69 | * When `dest-addr` is IPv6 and link-local we must | |
70 | * require interface name, otherwise we can't figure | |
71 | * which interface to use to send the packets. | |
72 | */ | |
73 | yang_dnode_get_prefix(&p, dnode, "./dest-addr"); | |
74 | ||
2e8d2925 | 75 | ifname = yang_dnode_get_string(dnode, "./interface"); |
6c574029 RW |
76 | |
77 | if (p.family == AF_INET6 && IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6) | |
4ec8e74b | 78 | && strcmp(ifname, "*") == 0) { |
6c574029 | 79 | zlog_warn( |
3efd0893 | 80 | "%s: when using link-local you must specify an interface.", |
6c574029 RW |
81 | __func__); |
82 | return NB_ERR_VALIDATION; | |
83 | } | |
84 | break; | |
85 | ||
86 | case NB_EV_PREPARE: | |
87 | bfd_session_get_key(mhop, dnode, &bk); | |
88 | bs = bfd_key_lookup(bk); | |
89 | ||
90 | /* This session was already configured by another daemon. */ | |
91 | if (bs != NULL) { | |
92 | /* Now it is configured also by CLI. */ | |
b88113ef | 93 | SET_FLAG(bs->flags, BFD_SESS_FLAG_CONFIG); |
6c574029 RW |
94 | bs->refcount++; |
95 | ||
96 | resource->ptr = bs; | |
97 | break; | |
98 | } | |
99 | ||
100 | bs = bfd_session_new(); | |
6c574029 RW |
101 | |
102 | /* Fill the session key. */ | |
103 | bfd_session_get_key(mhop, dnode, &bs->key); | |
104 | ||
105 | /* Set configuration flags. */ | |
106 | bs->refcount = 1; | |
b88113ef | 107 | SET_FLAG(bs->flags, BFD_SESS_FLAG_CONFIG); |
6c574029 | 108 | if (mhop) |
b88113ef | 109 | SET_FLAG(bs->flags, BFD_SESS_FLAG_MH); |
6c574029 | 110 | if (bs->key.family == AF_INET6) |
b88113ef | 111 | SET_FLAG(bs->flags, BFD_SESS_FLAG_IPV6); |
6c574029 RW |
112 | |
113 | resource->ptr = bs; | |
114 | break; | |
115 | ||
116 | case NB_EV_APPLY: | |
117 | bs = resource->ptr; | |
118 | ||
119 | /* Only attempt to registrate if freshly allocated. */ | |
120 | if (bs->discrs.my_discr == 0 && bs_registrate(bs) == NULL) | |
121 | return NB_ERR_RESOURCE; | |
122 | ||
123 | nb_running_set_entry(dnode, bs); | |
124 | break; | |
125 | ||
126 | case NB_EV_ABORT: | |
127 | bs = resource->ptr; | |
128 | if (bs->refcount <= 1) | |
129 | bfd_session_free(resource->ptr); | |
130 | break; | |
131 | } | |
132 | ||
133 | return NB_OK; | |
134 | } | |
135 | ||
136 | static int bfd_session_destroy(enum nb_event event, | |
137 | const struct lyd_node *dnode, bool mhop) | |
138 | { | |
139 | struct bfd_session *bs; | |
140 | struct bfd_key bk; | |
141 | ||
142 | switch (event) { | |
143 | case NB_EV_VALIDATE: | |
144 | bfd_session_get_key(mhop, dnode, &bk); | |
145 | if (bfd_key_lookup(bk) == NULL) | |
146 | return NB_ERR_INCONSISTENCY; | |
147 | break; | |
148 | ||
149 | case NB_EV_PREPARE: | |
150 | /* NOTHING */ | |
151 | break; | |
152 | ||
153 | case NB_EV_APPLY: | |
154 | bs = nb_running_unset_entry(dnode); | |
155 | /* CLI is not using this session anymore. */ | |
b88113ef | 156 | if (CHECK_FLAG(bs->flags, BFD_SESS_FLAG_CONFIG) == 0) |
6c574029 RW |
157 | break; |
158 | ||
b88113ef | 159 | UNSET_FLAG(bs->flags, BFD_SESS_FLAG_CONFIG); |
6c574029 RW |
160 | bs->refcount--; |
161 | /* There are still daemons using it. */ | |
162 | if (bs->refcount > 0) | |
163 | break; | |
164 | ||
165 | bfd_session_free(bs); | |
166 | break; | |
167 | ||
168 | case NB_EV_ABORT: | |
169 | /* NOTHING */ | |
170 | break; | |
171 | } | |
172 | ||
173 | return NB_OK; | |
174 | } | |
175 | ||
176 | /* | |
177 | * XPath: /frr-bfdd:bfdd/bfd | |
178 | */ | |
60ee8be1 | 179 | int bfdd_bfd_create(struct nb_cb_create_args *args) |
6c574029 RW |
180 | { |
181 | /* NOTHING */ | |
182 | return NB_OK; | |
183 | } | |
184 | ||
60ee8be1 | 185 | int bfdd_bfd_destroy(struct nb_cb_destroy_args *args) |
6c574029 | 186 | { |
60ee8be1 | 187 | switch (args->event) { |
6c574029 RW |
188 | case NB_EV_VALIDATE: |
189 | /* NOTHING */ | |
190 | return NB_OK; | |
191 | ||
192 | case NB_EV_PREPARE: | |
193 | /* NOTHING */ | |
194 | return NB_OK; | |
195 | ||
196 | case NB_EV_APPLY: | |
197 | bfd_sessions_remove_manual(); | |
198 | break; | |
199 | ||
200 | case NB_EV_ABORT: | |
201 | /* NOTHING */ | |
202 | return NB_OK; | |
203 | } | |
204 | ||
205 | return NB_OK; | |
206 | } | |
207 | ||
ccc9ada8 RZ |
208 | /* |
209 | * XPath: /frr-bfdd:bfdd/bfd/profile | |
210 | */ | |
211 | int bfdd_bfd_profile_create(struct nb_cb_create_args *args) | |
212 | { | |
213 | struct bfd_profile *bp; | |
214 | const char *name; | |
215 | ||
216 | if (args->event != NB_EV_APPLY) | |
217 | return NB_OK; | |
218 | ||
219 | name = yang_dnode_get_string(args->dnode, "./name"); | |
220 | bp = bfd_profile_new(name); | |
221 | nb_running_set_entry(args->dnode, bp); | |
222 | ||
223 | return NB_OK; | |
224 | } | |
225 | ||
226 | int bfdd_bfd_profile_destroy(struct nb_cb_destroy_args *args) | |
227 | { | |
228 | struct bfd_profile *bp; | |
229 | ||
230 | if (args->event != NB_EV_APPLY) | |
231 | return NB_OK; | |
232 | ||
233 | bp = nb_running_unset_entry(args->dnode); | |
234 | bfd_profile_free(bp); | |
235 | ||
236 | return NB_OK; | |
237 | } | |
238 | ||
239 | /* | |
240 | * XPath: /frr-bfdd:bfdd/bfd/profile/detection-multiplier | |
241 | */ | |
242 | int bfdd_bfd_profile_detection_multiplier_modify(struct nb_cb_modify_args *args) | |
243 | { | |
244 | struct bfd_profile *bp; | |
245 | ||
246 | if (args->event != NB_EV_APPLY) | |
247 | return NB_OK; | |
248 | ||
249 | bp = nb_running_get_entry(args->dnode, NULL, true); | |
250 | bp->detection_multiplier = yang_dnode_get_uint8(args->dnode, NULL); | |
2975f578 | 251 | bfd_profile_update(bp); |
ccc9ada8 RZ |
252 | |
253 | return NB_OK; | |
254 | } | |
255 | ||
256 | /* | |
257 | * XPath: /frr-bfdd:bfdd/bfd/profile/desired-transmission-interval | |
258 | */ | |
259 | int bfdd_bfd_profile_desired_transmission_interval_modify( | |
260 | struct nb_cb_modify_args *args) | |
261 | { | |
262 | struct bfd_profile *bp; | |
263 | uint32_t min_tx; | |
264 | ||
265 | switch (args->event) { | |
266 | case NB_EV_VALIDATE: | |
267 | min_tx = yang_dnode_get_uint32(args->dnode, NULL); | |
268 | if (min_tx < 10000 || min_tx > 60000000) | |
269 | return NB_ERR_VALIDATION; | |
270 | break; | |
271 | ||
272 | case NB_EV_PREPARE: | |
273 | /* NOTHING */ | |
274 | break; | |
275 | ||
276 | case NB_EV_APPLY: | |
277 | min_tx = yang_dnode_get_uint32(args->dnode, NULL); | |
278 | bp = nb_running_get_entry(args->dnode, NULL, true); | |
279 | if (bp->min_tx == min_tx) | |
280 | return NB_OK; | |
281 | ||
282 | bp->min_tx = min_tx; | |
283 | bfd_profile_update(bp); | |
284 | break; | |
285 | ||
286 | case NB_EV_ABORT: | |
287 | /* NOTHING */ | |
288 | break; | |
289 | } | |
290 | ||
291 | return NB_OK; | |
292 | } | |
293 | ||
294 | /* | |
295 | * XPath: /frr-bfdd:bfdd/bfd/profile/required-receive-interval | |
296 | */ | |
297 | int bfdd_bfd_profile_required_receive_interval_modify( | |
298 | struct nb_cb_modify_args *args) | |
299 | { | |
300 | struct bfd_profile *bp; | |
301 | uint32_t min_rx; | |
302 | ||
303 | switch (args->event) { | |
304 | case NB_EV_VALIDATE: | |
305 | min_rx = yang_dnode_get_uint32(args->dnode, NULL); | |
306 | if (min_rx < 10000 || min_rx > 60000000) | |
307 | return NB_ERR_VALIDATION; | |
308 | break; | |
309 | ||
310 | case NB_EV_PREPARE: | |
311 | /* NOTHING */ | |
312 | break; | |
313 | ||
314 | case NB_EV_APPLY: | |
315 | min_rx = yang_dnode_get_uint32(args->dnode, NULL); | |
316 | bp = nb_running_get_entry(args->dnode, NULL, true); | |
317 | if (bp->min_rx == min_rx) | |
318 | return NB_OK; | |
319 | ||
320 | bp->min_rx = min_rx; | |
321 | bfd_profile_update(bp); | |
322 | break; | |
323 | ||
324 | case NB_EV_ABORT: | |
325 | /* NOTHING */ | |
326 | break; | |
327 | } | |
328 | ||
329 | return NB_OK; | |
330 | } | |
331 | ||
332 | /* | |
333 | * XPath: /frr-bfdd:bfdd/bfd/profile/administrative-down | |
334 | */ | |
335 | int bfdd_bfd_profile_administrative_down_modify(struct nb_cb_modify_args *args) | |
336 | { | |
337 | struct bfd_profile *bp; | |
338 | bool shutdown; | |
339 | ||
340 | if (args->event != NB_EV_APPLY) | |
341 | return NB_OK; | |
342 | ||
343 | shutdown = yang_dnode_get_bool(args->dnode, NULL); | |
344 | bp = nb_running_get_entry(args->dnode, NULL, true); | |
345 | if (bp->admin_shutdown == shutdown) | |
346 | return NB_OK; | |
347 | ||
348 | bp->admin_shutdown = shutdown; | |
349 | bfd_profile_update(bp); | |
350 | ||
351 | return NB_OK; | |
352 | } | |
353 | ||
1a2e2fff RZ |
354 | /* |
355 | * XPath: /frr-bfdd:bfdd/bfd/profile/passive-mode | |
356 | */ | |
357 | int bfdd_bfd_profile_passive_mode_modify(struct nb_cb_modify_args *args) | |
358 | { | |
359 | struct bfd_profile *bp; | |
360 | bool passive; | |
361 | ||
362 | if (args->event != NB_EV_APPLY) | |
363 | return NB_OK; | |
364 | ||
365 | passive = yang_dnode_get_bool(args->dnode, NULL); | |
366 | bp = nb_running_get_entry(args->dnode, NULL, true); | |
367 | if (bp->passive == passive) | |
368 | return NB_OK; | |
369 | ||
370 | bp->passive = passive; | |
371 | bfd_profile_update(bp); | |
372 | ||
373 | return NB_OK; | |
374 | } | |
375 | ||
262e1d25 RZ |
376 | /* |
377 | * XPath: /frr-bfdd:bfdd/bfd/profile/minimum-ttl | |
378 | */ | |
379 | int bfdd_bfd_profile_minimum_ttl_modify(struct nb_cb_modify_args *args) | |
380 | { | |
381 | struct bfd_profile *bp; | |
382 | uint8_t minimum_ttl; | |
383 | ||
384 | if (args->event != NB_EV_APPLY) | |
385 | return NB_OK; | |
386 | ||
387 | minimum_ttl = yang_dnode_get_uint8(args->dnode, NULL); | |
388 | bp = nb_running_get_entry(args->dnode, NULL, true); | |
389 | if (bp->minimum_ttl == minimum_ttl) | |
390 | return NB_OK; | |
391 | ||
392 | bp->minimum_ttl = minimum_ttl; | |
393 | bfd_profile_update(bp); | |
394 | ||
395 | return NB_OK; | |
396 | } | |
397 | ||
398 | int bfdd_bfd_profile_minimum_ttl_destroy(struct nb_cb_destroy_args *args) | |
399 | { | |
400 | struct bfd_profile *bp; | |
401 | ||
402 | if (args->event != NB_EV_APPLY) | |
403 | return NB_OK; | |
404 | ||
405 | bp = nb_running_get_entry(args->dnode, NULL, true); | |
406 | bp->minimum_ttl = BFD_DEF_MHOP_TTL; | |
407 | bfd_profile_update(bp); | |
408 | ||
409 | return NB_OK; | |
410 | } | |
411 | ||
ccc9ada8 RZ |
412 | /* |
413 | * XPath: /frr-bfdd:bfdd/bfd/profile/echo-mode | |
414 | */ | |
415 | int bfdd_bfd_profile_echo_mode_modify(struct nb_cb_modify_args *args) | |
416 | { | |
417 | struct bfd_profile *bp; | |
418 | bool echo; | |
419 | ||
420 | if (args->event != NB_EV_APPLY) | |
421 | return NB_OK; | |
422 | ||
423 | echo = yang_dnode_get_bool(args->dnode, NULL); | |
424 | bp = nb_running_get_entry(args->dnode, NULL, true); | |
425 | if (bp->echo_mode == echo) | |
426 | return NB_OK; | |
427 | ||
428 | bp->echo_mode = echo; | |
429 | bfd_profile_update(bp); | |
430 | ||
431 | return NB_OK; | |
432 | } | |
433 | ||
434 | /* | |
435 | * XPath: /frr-bfdd:bfdd/bfd/profile/desired-echo-echo-transmission-interval | |
436 | */ | |
437 | int bfdd_bfd_profile_desired_echo_transmission_interval_modify( | |
438 | struct nb_cb_modify_args *args) | |
439 | { | |
440 | struct bfd_profile *bp; | |
441 | uint32_t min_rx; | |
442 | ||
443 | switch (args->event) { | |
444 | case NB_EV_VALIDATE: | |
445 | min_rx = yang_dnode_get_uint32(args->dnode, NULL); | |
446 | if (min_rx < 10000 || min_rx > 60000000) | |
447 | return NB_ERR_VALIDATION; | |
448 | break; | |
449 | ||
450 | case NB_EV_PREPARE: | |
451 | /* NOTHING */ | |
452 | break; | |
453 | ||
454 | case NB_EV_APPLY: | |
455 | min_rx = yang_dnode_get_uint32(args->dnode, NULL); | |
456 | bp = nb_running_get_entry(args->dnode, NULL, true); | |
457 | if (bp->min_echo_rx == min_rx) | |
458 | return NB_OK; | |
459 | ||
460 | bp->min_echo_rx = min_rx; | |
461 | bfd_profile_update(bp); | |
462 | break; | |
463 | ||
464 | case NB_EV_ABORT: | |
465 | /* NOTHING */ | |
466 | break; | |
467 | } | |
468 | ||
469 | return NB_OK; | |
470 | } | |
471 | ||
6c574029 RW |
472 | /* |
473 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop | |
474 | */ | |
60ee8be1 | 475 | int bfdd_bfd_sessions_single_hop_create(struct nb_cb_create_args *args) |
6c574029 | 476 | { |
60ee8be1 RW |
477 | return bfd_session_create(args->event, args->dnode, args->resource, |
478 | false); | |
6c574029 RW |
479 | } |
480 | ||
60ee8be1 | 481 | int bfdd_bfd_sessions_single_hop_destroy(struct nb_cb_destroy_args *args) |
6c574029 | 482 | { |
60ee8be1 | 483 | return bfd_session_destroy(args->event, args->dnode, false); |
6c574029 RW |
484 | } |
485 | ||
486 | /* | |
487 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/source-addr | |
488 | */ | |
60ee8be1 RW |
489 | int bfdd_bfd_sessions_single_hop_source_addr_modify( |
490 | struct nb_cb_modify_args *args) | |
6c574029 RW |
491 | { |
492 | return NB_OK; | |
493 | } | |
494 | ||
495 | int bfdd_bfd_sessions_single_hop_source_addr_destroy( | |
60ee8be1 | 496 | struct nb_cb_destroy_args *args) |
6c574029 RW |
497 | { |
498 | return NB_OK; | |
499 | } | |
500 | ||
ccc9ada8 RZ |
501 | /* |
502 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/profile | |
503 | */ | |
504 | int bfdd_bfd_sessions_single_hop_profile_modify(struct nb_cb_modify_args *args) | |
505 | { | |
506 | struct bfd_session *bs; | |
507 | ||
508 | if (args->event != NB_EV_APPLY) | |
509 | return NB_OK; | |
510 | ||
511 | bs = nb_running_get_entry(args->dnode, NULL, true); | |
512 | bfd_profile_apply(yang_dnode_get_string(args->dnode, NULL), bs); | |
513 | ||
514 | return NB_OK; | |
515 | } | |
516 | ||
517 | int bfdd_bfd_sessions_single_hop_profile_destroy( | |
518 | struct nb_cb_destroy_args *args) | |
519 | { | |
520 | struct bfd_session *bs; | |
521 | ||
522 | if (args->event != NB_EV_APPLY) | |
523 | return NB_OK; | |
524 | ||
525 | bs = nb_running_get_entry(args->dnode, NULL, true); | |
526 | bfd_profile_remove(bs); | |
527 | ||
528 | return NB_OK; | |
529 | } | |
530 | ||
6c574029 RW |
531 | /* |
532 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/detection-multiplier | |
533 | */ | |
534 | int bfdd_bfd_sessions_single_hop_detection_multiplier_modify( | |
60ee8be1 | 535 | struct nb_cb_modify_args *args) |
6c574029 | 536 | { |
60ee8be1 | 537 | uint8_t detection_multiplier = yang_dnode_get_uint8(args->dnode, NULL); |
6c574029 RW |
538 | struct bfd_session *bs; |
539 | ||
60ee8be1 | 540 | switch (args->event) { |
6c574029 RW |
541 | case NB_EV_VALIDATE: |
542 | break; | |
543 | ||
544 | case NB_EV_PREPARE: | |
545 | /* NOTHING */ | |
546 | break; | |
547 | ||
548 | case NB_EV_APPLY: | |
60ee8be1 | 549 | bs = nb_running_get_entry(args->dnode, NULL, true); |
ccc9ada8 | 550 | bs->peer_profile.detection_multiplier = detection_multiplier; |
4e38f82a | 551 | bfd_session_apply(bs); |
6c574029 RW |
552 | break; |
553 | ||
554 | case NB_EV_ABORT: | |
555 | /* NOTHING */ | |
556 | break; | |
557 | } | |
558 | ||
559 | return NB_OK; | |
560 | } | |
561 | ||
562 | /* | |
563 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/desired-transmission-interval | |
564 | */ | |
565 | int bfdd_bfd_sessions_single_hop_desired_transmission_interval_modify( | |
60ee8be1 | 566 | struct nb_cb_modify_args *args) |
6c574029 | 567 | { |
60ee8be1 | 568 | uint32_t tx_interval = yang_dnode_get_uint32(args->dnode, NULL); |
6c574029 RW |
569 | struct bfd_session *bs; |
570 | ||
60ee8be1 | 571 | switch (args->event) { |
6c574029 RW |
572 | case NB_EV_VALIDATE: |
573 | if (tx_interval < 10000 || tx_interval > 60000000) | |
574 | return NB_ERR_VALIDATION; | |
575 | break; | |
576 | ||
577 | case NB_EV_PREPARE: | |
578 | /* NOTHING */ | |
579 | break; | |
580 | ||
581 | case NB_EV_APPLY: | |
60ee8be1 | 582 | bs = nb_running_get_entry(args->dnode, NULL, true); |
6c574029 RW |
583 | if (tx_interval == bs->timers.desired_min_tx) |
584 | return NB_OK; | |
585 | ||
ccc9ada8 | 586 | bs->peer_profile.min_tx = tx_interval; |
4e38f82a | 587 | bfd_session_apply(bs); |
6c574029 RW |
588 | break; |
589 | ||
590 | case NB_EV_ABORT: | |
591 | /* NOTHING */ | |
592 | break; | |
593 | } | |
594 | ||
595 | return NB_OK; | |
596 | } | |
597 | ||
598 | /* | |
599 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/required-receive-interval | |
600 | */ | |
601 | int bfdd_bfd_sessions_single_hop_required_receive_interval_modify( | |
60ee8be1 | 602 | struct nb_cb_modify_args *args) |
6c574029 | 603 | { |
60ee8be1 | 604 | uint32_t rx_interval = yang_dnode_get_uint32(args->dnode, NULL); |
6c574029 RW |
605 | struct bfd_session *bs; |
606 | ||
60ee8be1 | 607 | switch (args->event) { |
6c574029 RW |
608 | case NB_EV_VALIDATE: |
609 | if (rx_interval < 10000 || rx_interval > 60000000) | |
610 | return NB_ERR_VALIDATION; | |
611 | break; | |
612 | ||
613 | case NB_EV_PREPARE: | |
614 | /* NOTHING */ | |
615 | break; | |
616 | ||
617 | case NB_EV_APPLY: | |
60ee8be1 | 618 | bs = nb_running_get_entry(args->dnode, NULL, true); |
6c574029 RW |
619 | if (rx_interval == bs->timers.required_min_rx) |
620 | return NB_OK; | |
621 | ||
ccc9ada8 | 622 | bs->peer_profile.min_rx = rx_interval; |
4e38f82a | 623 | bfd_session_apply(bs); |
6c574029 RW |
624 | break; |
625 | ||
626 | case NB_EV_ABORT: | |
627 | /* NOTHING */ | |
628 | break; | |
629 | } | |
630 | ||
631 | return NB_OK; | |
632 | } | |
633 | ||
634 | /* | |
635 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/administrative-down | |
636 | */ | |
637 | int bfdd_bfd_sessions_single_hop_administrative_down_modify( | |
60ee8be1 | 638 | struct nb_cb_modify_args *args) |
6c574029 | 639 | { |
60ee8be1 | 640 | bool shutdown = yang_dnode_get_bool(args->dnode, NULL); |
6c574029 RW |
641 | struct bfd_session *bs; |
642 | ||
60ee8be1 | 643 | switch (args->event) { |
6c574029 RW |
644 | case NB_EV_VALIDATE: |
645 | case NB_EV_PREPARE: | |
646 | return NB_OK; | |
647 | ||
648 | case NB_EV_APPLY: | |
649 | break; | |
650 | ||
651 | case NB_EV_ABORT: | |
652 | return NB_OK; | |
653 | } | |
654 | ||
60ee8be1 | 655 | bs = nb_running_get_entry(args->dnode, NULL, true); |
ccc9ada8 | 656 | bs->peer_profile.admin_shutdown = shutdown; |
4e38f82a | 657 | bfd_session_apply(bs); |
6c574029 RW |
658 | |
659 | return NB_OK; | |
660 | } | |
661 | ||
1a2e2fff RZ |
662 | /* |
663 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/passive-mode | |
664 | */ | |
665 | int bfdd_bfd_sessions_single_hop_passive_mode_modify( | |
666 | struct nb_cb_modify_args *args) | |
667 | { | |
668 | struct bfd_session *bs; | |
669 | bool passive; | |
670 | ||
671 | switch (args->event) { | |
672 | case NB_EV_VALIDATE: | |
673 | case NB_EV_PREPARE: | |
674 | return NB_OK; | |
675 | ||
676 | case NB_EV_APPLY: | |
677 | break; | |
678 | ||
679 | case NB_EV_ABORT: | |
680 | return NB_OK; | |
681 | } | |
682 | ||
683 | passive = yang_dnode_get_bool(args->dnode, NULL); | |
684 | ||
685 | bs = nb_running_get_entry(args->dnode, NULL, true); | |
686 | bs->peer_profile.passive = passive; | |
4e38f82a | 687 | bfd_session_apply(bs); |
1a2e2fff RZ |
688 | |
689 | return NB_OK; | |
690 | } | |
691 | ||
6c574029 RW |
692 | /* |
693 | * XPath: /frr-bfdd:bfdd/bfd/sessions/single-hop/echo-mode | |
694 | */ | |
60ee8be1 RW |
695 | int bfdd_bfd_sessions_single_hop_echo_mode_modify( |
696 | struct nb_cb_modify_args *args) | |
6c574029 | 697 | { |
60ee8be1 | 698 | bool echo = yang_dnode_get_bool(args->dnode, NULL); |
6c574029 RW |
699 | struct bfd_session *bs; |
700 | ||
60ee8be1 | 701 | switch (args->event) { |
6c574029 RW |
702 | case NB_EV_VALIDATE: |
703 | case NB_EV_PREPARE: | |
704 | return NB_OK; | |
705 | ||
706 | case NB_EV_APPLY: | |
707 | break; | |
708 | ||
709 | case NB_EV_ABORT: | |
710 | return NB_OK; | |
711 | } | |
712 | ||
60ee8be1 | 713 | bs = nb_running_get_entry(args->dnode, NULL, true); |
ccc9ada8 | 714 | bs->peer_profile.echo_mode = echo; |
4e38f82a | 715 | bfd_session_apply(bs); |
6c574029 RW |
716 | |
717 | return NB_OK; | |
718 | } | |
719 | ||
720 | /* | |
721 | * XPath: | |
722 | * /frr-bfdd:bfdd/bfd/sessions/single-hop/desired-echo-transmission-interval | |
723 | */ | |
724 | int bfdd_bfd_sessions_single_hop_desired_echo_transmission_interval_modify( | |
60ee8be1 | 725 | struct nb_cb_modify_args *args) |
6c574029 | 726 | { |
60ee8be1 | 727 | uint32_t echo_interval = yang_dnode_get_uint32(args->dnode, NULL); |
6c574029 RW |
728 | struct bfd_session *bs; |
729 | ||
60ee8be1 | 730 | switch (args->event) { |
6c574029 RW |
731 | case NB_EV_VALIDATE: |
732 | if (echo_interval < 10000 || echo_interval > 60000000) | |
733 | return NB_ERR_VALIDATION; | |
734 | break; | |
735 | ||
736 | case NB_EV_PREPARE: | |
737 | /* NOTHING */ | |
738 | break; | |
739 | ||
740 | case NB_EV_APPLY: | |
60ee8be1 | 741 | bs = nb_running_get_entry(args->dnode, NULL, true); |
6c574029 RW |
742 | if (echo_interval == bs->timers.required_min_echo) |
743 | return NB_OK; | |
744 | ||
ccc9ada8 | 745 | bs->peer_profile.min_echo_rx = echo_interval; |
4e38f82a | 746 | bfd_session_apply(bs); |
6c574029 RW |
747 | break; |
748 | ||
749 | case NB_EV_ABORT: | |
750 | /* NOTHING */ | |
751 | break; | |
752 | } | |
753 | ||
754 | return NB_OK; | |
755 | } | |
756 | ||
757 | /* | |
758 | * XPath: /frr-bfdd:bfdd/bfd/sessions/multi-hop | |
759 | */ | |
60ee8be1 | 760 | int bfdd_bfd_sessions_multi_hop_create(struct nb_cb_create_args *args) |
6c574029 | 761 | { |
60ee8be1 RW |
762 | return bfd_session_create(args->event, args->dnode, args->resource, |
763 | true); | |
6c574029 RW |
764 | } |
765 | ||
60ee8be1 | 766 | int bfdd_bfd_sessions_multi_hop_destroy(struct nb_cb_destroy_args *args) |
6c574029 | 767 | { |
60ee8be1 | 768 | return bfd_session_destroy(args->event, args->dnode, true); |
6c574029 | 769 | } |
262e1d25 RZ |
770 | |
771 | /* | |
772 | * XPath: /frr-bfdd:bfdd/bfd/sessions/multi-hop/minimum-ttl | |
773 | */ | |
774 | int bfdd_bfd_sessions_multi_hop_minimum_ttl_modify( | |
775 | struct nb_cb_modify_args *args) | |
776 | { | |
777 | struct bfd_session *bs; | |
778 | ||
779 | switch (args->event) { | |
780 | case NB_EV_VALIDATE: | |
781 | case NB_EV_PREPARE: | |
782 | return NB_OK; | |
783 | ||
784 | case NB_EV_APPLY: | |
785 | break; | |
786 | ||
787 | case NB_EV_ABORT: | |
788 | return NB_OK; | |
789 | } | |
790 | ||
791 | bs = nb_running_get_entry(args->dnode, NULL, true); | |
792 | bs->peer_profile.minimum_ttl = yang_dnode_get_uint8(args->dnode, NULL); | |
793 | bfd_session_apply(bs); | |
794 | ||
795 | return NB_OK; | |
796 | } | |
797 | ||
798 | int bfdd_bfd_sessions_multi_hop_minimum_ttl_destroy( | |
799 | struct nb_cb_destroy_args *args) | |
800 | { | |
801 | struct bfd_session *bs; | |
802 | ||
803 | switch (args->event) { | |
804 | case NB_EV_VALIDATE: | |
805 | case NB_EV_PREPARE: | |
806 | return NB_OK; | |
807 | ||
808 | case NB_EV_APPLY: | |
809 | break; | |
810 | ||
811 | case NB_EV_ABORT: | |
812 | return NB_OK; | |
813 | } | |
814 | ||
815 | bs = nb_running_get_entry(args->dnode, NULL, true); | |
816 | bs->peer_profile.minimum_ttl = BFD_DEF_MHOP_TTL; | |
817 | bfd_session_apply(bs); | |
818 | ||
819 | return NB_OK; | |
820 | } |