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Merge pull request #9924 from idryzhov/isis-nb-improvements
[mirror_frr.git] / isisd / isis_nb_config.c
1 /*
2 * Copyright (C) 2001,2002 Sampo Saaristo
3 * Tampere University of Technology
4 * Institute of Communications Engineering
5 * Copyright (C) 2018 Volta Networks
6 * Emanuele Di Pascale
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation; either version 2 of the License, or (at your option)
11 * any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * more details.
17 *
18 * You should have received a copy of the GNU General Public License along
19 * with this program; see the file COPYING; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #include <zebra.h>
24
25 #include "printfrr.h"
26 #include "northbound.h"
27 #include "linklist.h"
28 #include "log.h"
29 #include "bfd.h"
30 #include "filter.h"
31 #include "plist.h"
32 #include "spf_backoff.h"
33 #include "lib_errors.h"
34 #include "vrf.h"
35 #include "ldp_sync.h"
36
37 #include "isisd/isisd.h"
38 #include "isisd/isis_nb.h"
39 #include "isisd/isis_common.h"
40 #include "isisd/isis_bfd.h"
41 #include "isisd/isis_circuit.h"
42 #include "isisd/isis_lsp.h"
43 #include "isisd/isis_dynhn.h"
44 #include "isisd/isis_misc.h"
45 #include "isisd/isis_csm.h"
46 #include "isisd/isis_adjacency.h"
47 #include "isisd/isis_spf.h"
48 #include "isisd/isis_spf_private.h"
49 #include "isisd/isis_te.h"
50 #include "isisd/isis_mt.h"
51 #include "isisd/isis_redist.h"
52 #include "isisd/isis_ldp_sync.h"
53 #include "isisd/isis_dr.h"
54
55 DEFINE_MTYPE_STATIC(ISISD, ISIS_MPLS_TE, "ISIS MPLS_TE parameters");
56 DEFINE_MTYPE_STATIC(ISISD, ISIS_PLIST_NAME, "ISIS prefix-list name");
57
58 /*
59 * XPath: /frr-isisd:isis/instance
60 */
61 int isis_instance_create(struct nb_cb_create_args *args)
62 {
63 struct isis_area *area;
64 const char *area_tag;
65 const char *vrf_name;
66
67 if (args->event != NB_EV_APPLY)
68 return NB_OK;
69 vrf_name = yang_dnode_get_string(args->dnode, "./vrf");
70 area_tag = yang_dnode_get_string(args->dnode, "./area-tag");
71
72 area = isis_area_lookup_by_vrf(area_tag, vrf_name);
73 if (area)
74 return NB_ERR_INCONSISTENCY;
75
76 area = isis_area_create(area_tag, vrf_name);
77
78 /* save area in dnode to avoid looking it up all the time */
79 nb_running_set_entry(args->dnode, area);
80
81 return NB_OK;
82 }
83
84 int isis_instance_destroy(struct nb_cb_destroy_args *args)
85 {
86 struct isis_area *area;
87
88 if (args->event != NB_EV_APPLY)
89 return NB_OK;
90 area = nb_running_unset_entry(args->dnode);
91
92 isis_area_destroy(area);
93 return NB_OK;
94 }
95
96 /*
97 * XPath: /frr-isisd:isis/instance/is-type
98 */
99 int isis_instance_is_type_modify(struct nb_cb_modify_args *args)
100 {
101 struct isis_area *area;
102 int type;
103
104 if (args->event != NB_EV_APPLY)
105 return NB_OK;
106
107 area = nb_running_get_entry(args->dnode, NULL, true);
108 type = yang_dnode_get_enum(args->dnode, NULL);
109 isis_area_is_type_set(area, type);
110
111 return NB_OK;
112 }
113
114 struct sysid_iter {
115 struct area_addr *addr;
116 bool same;
117 };
118
119 static int sysid_iter_cb(const struct lyd_node *dnode, void *arg)
120 {
121 struct sysid_iter *iter = arg;
122 struct area_addr addr;
123 const char *net;
124
125 net = yang_dnode_get_string(dnode, NULL);
126 addr.addr_len = dotformat2buff(addr.area_addr, net);
127
128 if (memcmp(GETSYSID(iter->addr), GETSYSID((&addr)), ISIS_SYS_ID_LEN)) {
129 iter->same = false;
130 return YANG_ITER_STOP;
131 }
132
133 return YANG_ITER_CONTINUE;
134 }
135
136 /*
137 * XPath: /frr-isisd:isis/instance/area-address
138 */
139 int isis_instance_area_address_create(struct nb_cb_create_args *args)
140 {
141 struct isis_area *area;
142 struct area_addr addr, *addrr = NULL, *addrp = NULL;
143 struct listnode *node;
144 struct sysid_iter iter;
145 uint8_t buff[255];
146 const char *net_title = yang_dnode_get_string(args->dnode, NULL);
147
148 switch (args->event) {
149 case NB_EV_VALIDATE:
150 addr.addr_len = dotformat2buff(buff, net_title);
151 memcpy(addr.area_addr, buff, addr.addr_len);
152 if (addr.area_addr[addr.addr_len - 1] != 0) {
153 snprintf(
154 args->errmsg, args->errmsg_len,
155 "nsel byte (last byte) in area address must be 0");
156 return NB_ERR_VALIDATION;
157 }
158
159 iter.addr = &addr;
160 iter.same = true;
161
162 yang_dnode_iterate(sysid_iter_cb, &iter, args->dnode,
163 "../area-address");
164
165 if (!iter.same) {
166 snprintf(
167 args->errmsg, args->errmsg_len,
168 "System ID must not change when defining additional area addresses");
169 return NB_ERR_VALIDATION;
170 }
171 break;
172 case NB_EV_PREPARE:
173 addrr = XMALLOC(MTYPE_ISIS_AREA_ADDR, sizeof(struct area_addr));
174 addrr->addr_len = dotformat2buff(buff, net_title);
175 memcpy(addrr->area_addr, buff, addrr->addr_len);
176 args->resource->ptr = addrr;
177 break;
178 case NB_EV_ABORT:
179 XFREE(MTYPE_ISIS_AREA_ADDR, args->resource->ptr);
180 break;
181 case NB_EV_APPLY:
182 area = nb_running_get_entry(args->dnode, NULL, true);
183 addrr = args->resource->ptr;
184 assert(area);
185
186 if (area->isis->sysid_set == 0) {
187 /*
188 * First area address - get the SystemID for this router
189 */
190 memcpy(area->isis->sysid, GETSYSID(addrr),
191 ISIS_SYS_ID_LEN);
192 area->isis->sysid_set = 1;
193 } else {
194 /* check that we don't already have this address */
195 for (ALL_LIST_ELEMENTS_RO(area->area_addrs, node,
196 addrp)) {
197 if ((addrp->addr_len + ISIS_SYS_ID_LEN
198 + ISIS_NSEL_LEN)
199 != (addrr->addr_len))
200 continue;
201 if (!memcmp(addrp->area_addr, addrr->area_addr,
202 addrr->addr_len)) {
203 XFREE(MTYPE_ISIS_AREA_ADDR, addrr);
204 return NB_OK; /* silent fail */
205 }
206 }
207 }
208
209 /*Forget the systemID part of the address */
210 addrr->addr_len -= (ISIS_SYS_ID_LEN + ISIS_NSEL_LEN);
211 assert(area->area_addrs); /* to silence scan-build sillyness */
212 listnode_add(area->area_addrs, addrr);
213
214 /* only now we can safely generate our LSPs for this area */
215 if (listcount(area->area_addrs) > 0) {
216 if (area->is_type & IS_LEVEL_1)
217 lsp_generate(area, IS_LEVEL_1);
218 if (area->is_type & IS_LEVEL_2)
219 lsp_generate(area, IS_LEVEL_2);
220 }
221 break;
222 }
223
224 return NB_OK;
225 }
226
227 int isis_instance_area_address_destroy(struct nb_cb_destroy_args *args)
228 {
229 struct area_addr addr, *addrp = NULL;
230 struct listnode *node;
231 uint8_t buff[255];
232 struct isis_area *area;
233 const char *net_title;
234 struct listnode *cnode;
235 struct isis_circuit *circuit;
236 int lvl;
237
238 if (args->event != NB_EV_APPLY)
239 return NB_OK;
240
241 net_title = yang_dnode_get_string(args->dnode, NULL);
242 addr.addr_len = dotformat2buff(buff, net_title);
243 memcpy(addr.area_addr, buff, (int)addr.addr_len);
244 area = nb_running_get_entry(args->dnode, NULL, true);
245
246 for (ALL_LIST_ELEMENTS_RO(area->area_addrs, node, addrp)) {
247 if ((addrp->addr_len + ISIS_SYS_ID_LEN + 1) == addr.addr_len
248 && !memcmp(addrp->area_addr, addr.area_addr, addr.addr_len))
249 break;
250 }
251 if (!addrp)
252 return NB_ERR_INCONSISTENCY;
253
254 listnode_delete(area->area_addrs, addrp);
255 XFREE(MTYPE_ISIS_AREA_ADDR, addrp);
256 /*
257 * Last area address - reset the SystemID for this router
258 */
259 if (listcount(area->area_addrs) == 0) {
260 for (ALL_LIST_ELEMENTS_RO(area->circuit_list, cnode, circuit))
261 for (lvl = IS_LEVEL_1; lvl <= IS_LEVEL_2; ++lvl) {
262 if (circuit->u.bc.is_dr[lvl - 1])
263 isis_dr_resign(circuit, lvl);
264 }
265 memset(area->isis->sysid, 0, ISIS_SYS_ID_LEN);
266 area->isis->sysid_set = 0;
267 if (IS_DEBUG_EVENTS)
268 zlog_debug("Router has no SystemID");
269 }
270
271 return NB_OK;
272 }
273
274 /*
275 * XPath: /frr-isisd:isis/instance/dynamic-hostname
276 */
277 int isis_instance_dynamic_hostname_modify(struct nb_cb_modify_args *args)
278 {
279 struct isis_area *area;
280
281 if (args->event != NB_EV_APPLY)
282 return NB_OK;
283
284 area = nb_running_get_entry(args->dnode, NULL, true);
285 isis_area_dynhostname_set(area, yang_dnode_get_bool(args->dnode, NULL));
286
287 return NB_OK;
288 }
289
290 /*
291 * XPath: /frr-isisd:isis/instance/attach-send
292 */
293 int isis_instance_attached_send_modify(struct nb_cb_modify_args *args)
294 {
295 struct isis_area *area;
296 bool attached;
297
298 if (args->event != NB_EV_APPLY)
299 return NB_OK;
300
301 area = nb_running_get_entry(args->dnode, NULL, true);
302 attached = yang_dnode_get_bool(args->dnode, NULL);
303 isis_area_attached_bit_send_set(area, attached);
304
305 return NB_OK;
306 }
307
308 /*
309 * XPath: /frr-isisd:isis/instance/attach-receive-ignore
310 */
311 int isis_instance_attached_receive_modify(struct nb_cb_modify_args *args)
312 {
313 struct isis_area *area;
314 bool attached;
315
316 if (args->event != NB_EV_APPLY)
317 return NB_OK;
318
319 area = nb_running_get_entry(args->dnode, NULL, true);
320 attached = yang_dnode_get_bool(args->dnode, NULL);
321 isis_area_attached_bit_receive_set(area, attached);
322
323 return NB_OK;
324 }
325
326 /*
327 * XPath: /frr-isisd:isis/instance/attached
328 */
329 int isis_instance_attached_modify(struct nb_cb_modify_args *args)
330 {
331 return NB_OK;
332 }
333
334 /*
335 * XPath: /frr-isisd:isis/instance/overload
336 */
337 int isis_instance_overload_modify(struct nb_cb_modify_args *args)
338 {
339 struct isis_area *area;
340 bool overload;
341
342 if (args->event != NB_EV_APPLY)
343 return NB_OK;
344
345 area = nb_running_get_entry(args->dnode, NULL, true);
346 overload = yang_dnode_get_bool(args->dnode, NULL);
347 isis_area_overload_bit_set(area, overload);
348
349 return NB_OK;
350 }
351
352 /*
353 * XPath: /frr-isisd:isis/instance/metric-style
354 */
355 int isis_instance_metric_style_modify(struct nb_cb_modify_args *args)
356 {
357 struct isis_area *area;
358 bool old_metric, new_metric;
359 enum isis_metric_style metric_style =
360 yang_dnode_get_enum(args->dnode, NULL);
361
362 if (args->event != NB_EV_APPLY)
363 return NB_OK;
364
365 area = nb_running_get_entry(args->dnode, NULL, true);
366 old_metric = (metric_style == ISIS_WIDE_METRIC) ? false : true;
367 new_metric = (metric_style == ISIS_NARROW_METRIC) ? false : true;
368 isis_area_metricstyle_set(area, old_metric, new_metric);
369
370 return NB_OK;
371 }
372
373 /*
374 * XPath: /frr-isisd:isis/instance/purge-originator
375 */
376 int isis_instance_purge_originator_modify(struct nb_cb_modify_args *args)
377 {
378 struct isis_area *area;
379
380 if (args->event != NB_EV_APPLY)
381 return NB_OK;
382
383 area = nb_running_get_entry(args->dnode, NULL, true);
384 area->purge_originator = yang_dnode_get_bool(args->dnode, NULL);
385
386 return NB_OK;
387 }
388
389 /*
390 * XPath: /frr-isisd:isis/instance/lsp/mtu
391 */
392 int isis_instance_lsp_mtu_modify(struct nb_cb_modify_args *args)
393 {
394 struct listnode *node;
395 struct isis_circuit *circuit;
396 uint16_t lsp_mtu = yang_dnode_get_uint16(args->dnode, NULL);
397 struct isis_area *area;
398
399 switch (args->event) {
400 case NB_EV_VALIDATE:
401 area = nb_running_get_entry(args->dnode, NULL, false);
402 if (!area)
403 break;
404 for (ALL_LIST_ELEMENTS_RO(area->circuit_list, node, circuit)) {
405 if (circuit->state != C_STATE_INIT
406 && circuit->state != C_STATE_UP)
407 continue;
408 if (lsp_mtu > isis_circuit_pdu_size(circuit)) {
409 snprintf(
410 args->errmsg, args->errmsg_len,
411 "ISIS area contains circuit %s, which has a maximum PDU size of %zu",
412 circuit->interface->name,
413 isis_circuit_pdu_size(circuit));
414 return NB_ERR_VALIDATION;
415 }
416 }
417 break;
418 case NB_EV_PREPARE:
419 case NB_EV_ABORT:
420 break;
421 case NB_EV_APPLY:
422 area = nb_running_get_entry(args->dnode, NULL, true);
423 isis_area_lsp_mtu_set(area, lsp_mtu);
424 break;
425 }
426
427 return NB_OK;
428 }
429
430 /*
431 * XPath: /frr-isisd:isis/instance/lsp/timers/level-1/refresh-interval
432 */
433 int isis_instance_lsp_refresh_interval_level_1_modify(
434 struct nb_cb_modify_args *args)
435 {
436 struct isis_area *area;
437 uint16_t refr_int;
438
439 if (args->event != NB_EV_APPLY)
440 return NB_OK;
441
442 refr_int = yang_dnode_get_uint16(args->dnode, NULL);
443 area = nb_running_get_entry(args->dnode, NULL, true);
444 isis_area_lsp_refresh_set(area, IS_LEVEL_1, refr_int);
445
446 return NB_OK;
447 }
448
449 /*
450 * XPath: /frr-isisd:isis/instance/lsp/timers/level-2/refresh-interval
451 */
452 int isis_instance_lsp_refresh_interval_level_2_modify(
453 struct nb_cb_modify_args *args)
454 {
455 struct isis_area *area;
456 uint16_t refr_int;
457
458 if (args->event != NB_EV_APPLY)
459 return NB_OK;
460
461 refr_int = yang_dnode_get_uint16(args->dnode, NULL);
462 area = nb_running_get_entry(args->dnode, NULL, true);
463 isis_area_lsp_refresh_set(area, IS_LEVEL_2, refr_int);
464
465 return NB_OK;
466 }
467
468 /*
469 * XPath: /frr-isisd:isis/instance/lsp/timers/level-1/maximum-lifetime
470 */
471 int isis_instance_lsp_maximum_lifetime_level_1_modify(
472 struct nb_cb_modify_args *args)
473 {
474 struct isis_area *area;
475 uint16_t max_lt;
476
477 if (args->event != NB_EV_APPLY)
478 return NB_OK;
479
480 max_lt = yang_dnode_get_uint16(args->dnode, NULL);
481 area = nb_running_get_entry(args->dnode, NULL, true);
482 isis_area_max_lsp_lifetime_set(area, IS_LEVEL_1, max_lt);
483
484 return NB_OK;
485 }
486
487 /*
488 * XPath: /frr-isisd:isis/instance/lsp/timers/level-2/maximum-lifetime
489 */
490 int isis_instance_lsp_maximum_lifetime_level_2_modify(
491 struct nb_cb_modify_args *args)
492 {
493 struct isis_area *area;
494 uint16_t max_lt;
495
496 if (args->event != NB_EV_APPLY)
497 return NB_OK;
498
499 max_lt = yang_dnode_get_uint16(args->dnode, NULL);
500 area = nb_running_get_entry(args->dnode, NULL, true);
501 isis_area_max_lsp_lifetime_set(area, IS_LEVEL_2, max_lt);
502
503 return NB_OK;
504 }
505
506 /*
507 * XPath: /frr-isisd:isis/instance/lsp/timers/level-1/generation-interval
508 */
509 int isis_instance_lsp_generation_interval_level_1_modify(
510 struct nb_cb_modify_args *args)
511 {
512 struct isis_area *area;
513 uint16_t gen_int;
514
515 if (args->event != NB_EV_APPLY)
516 return NB_OK;
517
518 gen_int = yang_dnode_get_uint16(args->dnode, NULL);
519 area = nb_running_get_entry(args->dnode, NULL, true);
520 area->lsp_gen_interval[0] = gen_int;
521
522 return NB_OK;
523 }
524
525 /*
526 * XPath: /frr-isisd:isis/instance/lsp/timers/level-2/generation-interval
527 */
528 int isis_instance_lsp_generation_interval_level_2_modify(
529 struct nb_cb_modify_args *args)
530 {
531 struct isis_area *area;
532 uint16_t gen_int;
533
534 if (args->event != NB_EV_APPLY)
535 return NB_OK;
536
537 gen_int = yang_dnode_get_uint16(args->dnode, NULL);
538 area = nb_running_get_entry(args->dnode, NULL, true);
539 area->lsp_gen_interval[1] = gen_int;
540
541 return NB_OK;
542 }
543
544 /*
545 * XPath: /frr-isisd:isis/instance/spf/ietf-backoff-delay
546 */
547 void ietf_backoff_delay_apply_finish(struct nb_cb_apply_finish_args *args)
548 {
549 long init_delay = yang_dnode_get_uint16(args->dnode, "./init-delay");
550 long short_delay = yang_dnode_get_uint16(args->dnode, "./short-delay");
551 long long_delay = yang_dnode_get_uint16(args->dnode, "./long-delay");
552 long holddown = yang_dnode_get_uint16(args->dnode, "./hold-down");
553 long timetolearn =
554 yang_dnode_get_uint16(args->dnode, "./time-to-learn");
555 struct isis_area *area = nb_running_get_entry(args->dnode, NULL, true);
556 size_t bufsiz = strlen(area->area_tag) + sizeof("IS-IS Lx");
557 char *buf = XCALLOC(MTYPE_TMP, bufsiz);
558
559 snprintf(buf, bufsiz, "IS-IS %s L1", area->area_tag);
560 spf_backoff_free(area->spf_delay_ietf[0]);
561 area->spf_delay_ietf[0] =
562 spf_backoff_new(master, buf, init_delay, short_delay,
563 long_delay, holddown, timetolearn);
564
565 snprintf(buf, bufsiz, "IS-IS %s L2", area->area_tag);
566 spf_backoff_free(area->spf_delay_ietf[1]);
567 area->spf_delay_ietf[1] =
568 spf_backoff_new(master, buf, init_delay, short_delay,
569 long_delay, holddown, timetolearn);
570
571 XFREE(MTYPE_TMP, buf);
572 }
573
574 int isis_instance_spf_ietf_backoff_delay_create(struct nb_cb_create_args *args)
575 {
576 /* All the work is done in the apply_finish */
577 return NB_OK;
578 }
579
580 int isis_instance_spf_ietf_backoff_delay_destroy(
581 struct nb_cb_destroy_args *args)
582 {
583 struct isis_area *area;
584
585 if (args->event != NB_EV_APPLY)
586 return NB_OK;
587
588 area = nb_running_get_entry(args->dnode, NULL, true);
589 spf_backoff_free(area->spf_delay_ietf[0]);
590 spf_backoff_free(area->spf_delay_ietf[1]);
591 area->spf_delay_ietf[0] = NULL;
592 area->spf_delay_ietf[1] = NULL;
593
594 return NB_OK;
595 }
596
597 /*
598 * XPath: /frr-isisd:isis/instance/spf/ietf-backoff-delay/init-delay
599 */
600 int isis_instance_spf_ietf_backoff_delay_init_delay_modify(
601 struct nb_cb_modify_args *args)
602 {
603 /* All the work is done in the apply_finish */
604 return NB_OK;
605 }
606
607 /*
608 * XPath: /frr-isisd:isis/instance/spf/ietf-backoff-delay/short-delay
609 */
610 int isis_instance_spf_ietf_backoff_delay_short_delay_modify(
611 struct nb_cb_modify_args *args)
612 {
613 /* All the work is done in the apply_finish */
614 return NB_OK;
615 }
616
617 /*
618 * XPath: /frr-isisd:isis/instance/spf/ietf-backoff-delay/long-delay
619 */
620 int isis_instance_spf_ietf_backoff_delay_long_delay_modify(
621 struct nb_cb_modify_args *args)
622 {
623 /* All the work is done in the apply_finish */
624 return NB_OK;
625 }
626
627 /*
628 * XPath: /frr-isisd:isis/instance/spf/ietf-backoff-delay/hold-down
629 */
630 int isis_instance_spf_ietf_backoff_delay_hold_down_modify(
631 struct nb_cb_modify_args *args)
632 {
633 /* All the work is done in the apply_finish */
634 return NB_OK;
635 }
636
637 /*
638 * XPath: /frr-isisd:isis/instance/spf/ietf-backoff-delay/time-to-learn
639 */
640 int isis_instance_spf_ietf_backoff_delay_time_to_learn_modify(
641 struct nb_cb_modify_args *args)
642 {
643 /* All the work is done in the apply_finish */
644 return NB_OK;
645 }
646
647 /*
648 * XPath: /frr-isisd:isis/instance/spf/minimum-interval/level-1
649 */
650 int isis_instance_spf_minimum_interval_level_1_modify(
651 struct nb_cb_modify_args *args)
652 {
653 struct isis_area *area;
654
655 if (args->event != NB_EV_APPLY)
656 return NB_OK;
657
658 area = nb_running_get_entry(args->dnode, NULL, true);
659 area->min_spf_interval[0] = yang_dnode_get_uint16(args->dnode, NULL);
660
661 return NB_OK;
662 }
663
664 /*
665 * XPath: /frr-isisd:isis/instance/spf/minimum-interval/level-2
666 */
667 int isis_instance_spf_minimum_interval_level_2_modify(
668 struct nb_cb_modify_args *args)
669 {
670 struct isis_area *area;
671
672 if (args->event != NB_EV_APPLY)
673 return NB_OK;
674
675 area = nb_running_get_entry(args->dnode, NULL, true);
676 area->min_spf_interval[1] = yang_dnode_get_uint16(args->dnode, NULL);
677
678 return NB_OK;
679 }
680
681 /*
682 * XPath:
683 * /frr-isisd:isis/instance/spf/prefix-priorities/critical/access-list-name
684 */
685 int isis_instance_spf_prefix_priorities_critical_access_list_name_modify(
686 struct nb_cb_modify_args *args)
687 {
688 struct isis_area *area;
689 const char *acl_name;
690 struct spf_prefix_priority_acl *ppa;
691
692 if (args->event != NB_EV_APPLY)
693 return NB_OK;
694
695 area = nb_running_get_entry(args->dnode, NULL, true);
696 acl_name = yang_dnode_get_string(args->dnode, NULL);
697
698 ppa = &area->spf_prefix_priorities[SPF_PREFIX_PRIO_CRITICAL];
699 XFREE(MTYPE_ISIS_ACL_NAME, ppa->name);
700 ppa->name = XSTRDUP(MTYPE_ISIS_ACL_NAME, acl_name);
701 ppa->list_v4 = access_list_lookup(AFI_IP, acl_name);
702 ppa->list_v6 = access_list_lookup(AFI_IP6, acl_name);
703 lsp_regenerate_schedule(area, area->is_type, 0);
704
705 return NB_OK;
706 }
707
708 int isis_instance_spf_prefix_priorities_critical_access_list_name_destroy(
709 struct nb_cb_destroy_args *args)
710 {
711 struct isis_area *area;
712 struct spf_prefix_priority_acl *ppa;
713
714 if (args->event != NB_EV_APPLY)
715 return NB_OK;
716
717 area = nb_running_get_entry(args->dnode, NULL, true);
718
719 ppa = &area->spf_prefix_priorities[SPF_PREFIX_PRIO_CRITICAL];
720 XFREE(MTYPE_ISIS_ACL_NAME, ppa->name);
721 ppa->list_v4 = NULL;
722 ppa->list_v6 = NULL;
723 lsp_regenerate_schedule(area, area->is_type, 0);
724
725 return NB_OK;
726 }
727
728 /*
729 * XPath: /frr-isisd:isis/instance/spf/prefix-priorities/high/access-list-name
730 */
731 int isis_instance_spf_prefix_priorities_high_access_list_name_modify(
732 struct nb_cb_modify_args *args)
733 {
734 struct isis_area *area;
735 const char *acl_name;
736 struct spf_prefix_priority_acl *ppa;
737
738 if (args->event != NB_EV_APPLY)
739 return NB_OK;
740
741 area = nb_running_get_entry(args->dnode, NULL, true);
742 acl_name = yang_dnode_get_string(args->dnode, NULL);
743
744 ppa = &area->spf_prefix_priorities[SPF_PREFIX_PRIO_HIGH];
745 XFREE(MTYPE_ISIS_ACL_NAME, ppa->name);
746 ppa->name = XSTRDUP(MTYPE_ISIS_ACL_NAME, acl_name);
747 ppa->list_v4 = access_list_lookup(AFI_IP, acl_name);
748 ppa->list_v6 = access_list_lookup(AFI_IP6, acl_name);
749 lsp_regenerate_schedule(area, area->is_type, 0);
750
751 return NB_OK;
752 }
753
754 int isis_instance_spf_prefix_priorities_high_access_list_name_destroy(
755 struct nb_cb_destroy_args *args)
756 {
757 struct isis_area *area;
758 struct spf_prefix_priority_acl *ppa;
759
760 if (args->event != NB_EV_APPLY)
761 return NB_OK;
762
763 area = nb_running_get_entry(args->dnode, NULL, true);
764
765 ppa = &area->spf_prefix_priorities[SPF_PREFIX_PRIO_HIGH];
766 XFREE(MTYPE_ISIS_ACL_NAME, ppa->name);
767 ppa->list_v4 = NULL;
768 ppa->list_v6 = NULL;
769 lsp_regenerate_schedule(area, area->is_type, 0);
770
771 return NB_OK;
772 }
773
774 /*
775 * XPath: /frr-isisd:isis/instance/spf/prefix-priorities/medium/access-list-name
776 */
777 int isis_instance_spf_prefix_priorities_medium_access_list_name_modify(
778 struct nb_cb_modify_args *args)
779 {
780 struct isis_area *area;
781 const char *acl_name;
782 struct spf_prefix_priority_acl *ppa;
783
784 if (args->event != NB_EV_APPLY)
785 return NB_OK;
786
787 area = nb_running_get_entry(args->dnode, NULL, true);
788 acl_name = yang_dnode_get_string(args->dnode, NULL);
789
790 ppa = &area->spf_prefix_priorities[SPF_PREFIX_PRIO_MEDIUM];
791 XFREE(MTYPE_ISIS_ACL_NAME, ppa->name);
792 ppa->name = XSTRDUP(MTYPE_ISIS_ACL_NAME, acl_name);
793 ppa->list_v4 = access_list_lookup(AFI_IP, acl_name);
794 ppa->list_v6 = access_list_lookup(AFI_IP6, acl_name);
795 lsp_regenerate_schedule(area, area->is_type, 0);
796
797 return NB_OK;
798 }
799
800 int isis_instance_spf_prefix_priorities_medium_access_list_name_destroy(
801 struct nb_cb_destroy_args *args)
802 {
803 struct isis_area *area;
804 struct spf_prefix_priority_acl *ppa;
805
806 if (args->event != NB_EV_APPLY)
807 return NB_OK;
808
809 area = nb_running_get_entry(args->dnode, NULL, true);
810
811 ppa = &area->spf_prefix_priorities[SPF_PREFIX_PRIO_MEDIUM];
812 XFREE(MTYPE_ISIS_ACL_NAME, ppa->name);
813 ppa->list_v4 = NULL;
814 ppa->list_v6 = NULL;
815 lsp_regenerate_schedule(area, area->is_type, 0);
816
817 return NB_OK;
818 }
819
820 /*
821 * XPath: /frr-isisd:isis/instance/area-password
822 */
823 void area_password_apply_finish(struct nb_cb_apply_finish_args *args)
824 {
825 const char *password = yang_dnode_get_string(args->dnode, "./password");
826 struct isis_area *area = nb_running_get_entry(args->dnode, NULL, true);
827 int pass_type = yang_dnode_get_enum(args->dnode, "./password-type");
828 uint8_t snp_auth =
829 yang_dnode_get_enum(args->dnode, "./authenticate-snp");
830
831 switch (pass_type) {
832 case ISIS_PASSWD_TYPE_CLEARTXT:
833 isis_area_passwd_cleartext_set(area, IS_LEVEL_1, password,
834 snp_auth);
835 break;
836 case ISIS_PASSWD_TYPE_HMAC_MD5:
837 isis_area_passwd_hmac_md5_set(area, IS_LEVEL_1, password,
838 snp_auth);
839 break;
840 }
841 }
842
843 int isis_instance_area_password_create(struct nb_cb_create_args *args)
844 {
845 /* actual setting is done in apply_finish */
846 return NB_OK;
847 }
848
849 int isis_instance_area_password_destroy(struct nb_cb_destroy_args *args)
850 {
851 struct isis_area *area;
852
853 if (args->event != NB_EV_APPLY)
854 return NB_OK;
855
856 area = nb_running_get_entry(args->dnode, NULL, true);
857 isis_area_passwd_unset(area, IS_LEVEL_1);
858
859 return NB_OK;
860 }
861
862 /*
863 * XPath: /frr-isisd:isis/instance/area-password/password
864 */
865 int isis_instance_area_password_password_modify(struct nb_cb_modify_args *args)
866 {
867 /* actual setting is done in apply_finish */
868 return NB_OK;
869 }
870
871 /*
872 * XPath: /frr-isisd:isis/instance/area-password/password-type
873 */
874 int isis_instance_area_password_password_type_modify(
875 struct nb_cb_modify_args *args)
876 {
877 /* actual setting is done in apply_finish */
878 return NB_OK;
879 }
880
881 /*
882 * XPath: /frr-isisd:isis/instance/area-password/authenticate-snp
883 */
884 int isis_instance_area_password_authenticate_snp_modify(
885 struct nb_cb_modify_args *args)
886 {
887 /* actual setting is done in apply_finish */
888 return NB_OK;
889 }
890
891 /*
892 * XPath: /frr-isisd:isis/instance/domain-password
893 */
894 void domain_password_apply_finish(struct nb_cb_apply_finish_args *args)
895 {
896 const char *password = yang_dnode_get_string(args->dnode, "./password");
897 struct isis_area *area = nb_running_get_entry(args->dnode, NULL, true);
898 int pass_type = yang_dnode_get_enum(args->dnode, "./password-type");
899 uint8_t snp_auth =
900 yang_dnode_get_enum(args->dnode, "./authenticate-snp");
901
902 switch (pass_type) {
903 case ISIS_PASSWD_TYPE_CLEARTXT:
904 isis_area_passwd_cleartext_set(area, IS_LEVEL_2, password,
905 snp_auth);
906 break;
907 case ISIS_PASSWD_TYPE_HMAC_MD5:
908 isis_area_passwd_hmac_md5_set(area, IS_LEVEL_2, password,
909 snp_auth);
910 break;
911 }
912 }
913
914 int isis_instance_domain_password_create(struct nb_cb_create_args *args)
915 {
916 /* actual setting is done in apply_finish */
917 return NB_OK;
918 }
919
920 int isis_instance_domain_password_destroy(struct nb_cb_destroy_args *args)
921 {
922 struct isis_area *area;
923
924 if (args->event != NB_EV_APPLY)
925 return NB_OK;
926
927 area = nb_running_get_entry(args->dnode, NULL, true);
928 isis_area_passwd_unset(area, IS_LEVEL_2);
929
930 return NB_OK;
931 }
932
933 /*
934 * XPath: /frr-isisd:isis/instance/domain-password/password
935 */
936 int isis_instance_domain_password_password_modify(
937 struct nb_cb_modify_args *args)
938 {
939 /* actual setting is done in apply_finish */
940 return NB_OK;
941 }
942
943 /*
944 * XPath: /frr-isisd:isis/instance/domain-password/password-type
945 */
946 int isis_instance_domain_password_password_type_modify(
947 struct nb_cb_modify_args *args)
948 {
949 /* actual setting is done in apply_finish */
950 return NB_OK;
951 }
952
953 /*
954 * XPath: /frr-isisd:isis/instance/domain-password/authenticate-snp
955 */
956 int isis_instance_domain_password_authenticate_snp_modify(
957 struct nb_cb_modify_args *args)
958 {
959 /* actual setting is done in apply_finish */
960 return NB_OK;
961 }
962
963 /*
964 * XPath: /frr-isisd:isis/instance/default-information-originate/ipv4
965 */
966 void default_info_origin_apply_finish(const struct lyd_node *dnode, int family)
967 {
968 int originate_type = DEFAULT_ORIGINATE;
969 unsigned long metric = 0;
970 const char *routemap = NULL;
971 struct isis_area *area = nb_running_get_entry(dnode, NULL, true);
972 int level = yang_dnode_get_enum(dnode, "./level");
973
974 if (yang_dnode_get_bool(dnode, "./always")) {
975 originate_type = DEFAULT_ORIGINATE_ALWAYS;
976 } else if (family == AF_INET6) {
977 zlog_warn(
978 "%s: Zebra doesn't implement default-originate for IPv6 yet, so use with care or use default-originate always.",
979 __func__);
980 }
981
982 if (yang_dnode_exists(dnode, "./metric"))
983 metric = yang_dnode_get_uint32(dnode, "./metric");
984 if (yang_dnode_exists(dnode, "./route-map"))
985 routemap = yang_dnode_get_string(dnode, "./route-map");
986
987 isis_redist_set(area, level, family, DEFAULT_ROUTE, metric, routemap,
988 originate_type);
989 }
990
991 void default_info_origin_ipv4_apply_finish(struct nb_cb_apply_finish_args *args)
992 {
993 default_info_origin_apply_finish(args->dnode, AF_INET);
994 }
995
996 void default_info_origin_ipv6_apply_finish(struct nb_cb_apply_finish_args *args)
997 {
998 default_info_origin_apply_finish(args->dnode, AF_INET6);
999 }
1000
1001 int isis_instance_default_information_originate_ipv4_create(
1002 struct nb_cb_create_args *args)
1003 {
1004 /* It's all done by default_info_origin_apply_finish */
1005 return NB_OK;
1006 }
1007
1008 int isis_instance_default_information_originate_ipv4_destroy(
1009 struct nb_cb_destroy_args *args)
1010 {
1011 struct isis_area *area;
1012 int level;
1013
1014 if (args->event != NB_EV_APPLY)
1015 return NB_OK;
1016
1017 area = nb_running_get_entry(args->dnode, NULL, true);
1018 level = yang_dnode_get_enum(args->dnode, "./level");
1019 isis_redist_unset(area, level, AF_INET, DEFAULT_ROUTE);
1020
1021 return NB_OK;
1022 }
1023
1024 /*
1025 * XPath: /frr-isisd:isis/instance/default-information-originate/ipv4/always
1026 */
1027 int isis_instance_default_information_originate_ipv4_always_modify(
1028 struct nb_cb_modify_args *args)
1029 {
1030 /* It's all done by default_info_origin_apply_finish */
1031 return NB_OK;
1032 }
1033
1034 /*
1035 * XPath: /frr-isisd:isis/instance/default-information-originate/ipv4/route-map
1036 */
1037 int isis_instance_default_information_originate_ipv4_route_map_modify(
1038 struct nb_cb_modify_args *args)
1039 {
1040 /* It's all done by default_info_origin_apply_finish */
1041 return NB_OK;
1042 }
1043
1044 int isis_instance_default_information_originate_ipv4_route_map_destroy(
1045 struct nb_cb_destroy_args *args)
1046 {
1047 /* It's all done by default_info_origin_apply_finish */
1048 return NB_OK;
1049 }
1050
1051 /*
1052 * XPath: /frr-isisd:isis/instance/default-information-originate/ipv4/metric
1053 */
1054 int isis_instance_default_information_originate_ipv4_metric_modify(
1055 struct nb_cb_modify_args *args)
1056 {
1057 /* It's all done by default_info_origin_apply_finish */
1058 return NB_OK;
1059 }
1060
1061 /*
1062 * XPath: /frr-isisd:isis/instance/default-information-originate/ipv6
1063 */
1064 int isis_instance_default_information_originate_ipv6_create(
1065 struct nb_cb_create_args *args)
1066 {
1067 /* It's all done by default_info_origin_apply_finish */
1068 return NB_OK;
1069 }
1070
1071 int isis_instance_default_information_originate_ipv6_destroy(
1072 struct nb_cb_destroy_args *args)
1073 {
1074 struct isis_area *area;
1075 int level;
1076
1077 if (args->event != NB_EV_APPLY)
1078 return NB_OK;
1079
1080 area = nb_running_get_entry(args->dnode, NULL, true);
1081 level = yang_dnode_get_enum(args->dnode, "./level");
1082 isis_redist_unset(area, level, AF_INET6, DEFAULT_ROUTE);
1083
1084 return NB_OK;
1085 }
1086
1087 /*
1088 * XPath: /frr-isisd:isis/instance/default-information-originate/ipv6/always
1089 */
1090 int isis_instance_default_information_originate_ipv6_always_modify(
1091 struct nb_cb_modify_args *args)
1092 {
1093 /* It's all done by default_info_origin_apply_finish */
1094 return NB_OK;
1095 }
1096
1097 /*
1098 * XPath: /frr-isisd:isis/instance/default-information-originate/ipv6/route-map
1099 */
1100 int isis_instance_default_information_originate_ipv6_route_map_modify(
1101 struct nb_cb_modify_args *args)
1102 {
1103 /* It's all done by default_info_origin_apply_finish */
1104 return NB_OK;
1105 }
1106
1107 int isis_instance_default_information_originate_ipv6_route_map_destroy(
1108 struct nb_cb_destroy_args *args)
1109 {
1110 /* It's all done by default_info_origin_apply_finish */
1111 return NB_OK;
1112 }
1113
1114 /*
1115 * XPath: /frr-isisd:isis/instance/default-information-originate/ipv6/metric
1116 */
1117 int isis_instance_default_information_originate_ipv6_metric_modify(
1118 struct nb_cb_modify_args *args)
1119 {
1120 /* It's all done by default_info_origin_apply_finish */
1121 return NB_OK;
1122 }
1123
1124 /*
1125 * XPath: /frr-isisd:isis/instance/redistribute/ipv4
1126 */
1127 void redistribute_apply_finish(const struct lyd_node *dnode, int family)
1128 {
1129 assert(family == AF_INET || family == AF_INET6);
1130 int type, level;
1131 unsigned long metric = 0;
1132 const char *routemap = NULL;
1133 struct isis_area *area;
1134
1135 type = yang_dnode_get_enum(dnode, "./protocol");
1136 level = yang_dnode_get_enum(dnode, "./level");
1137 area = nb_running_get_entry(dnode, NULL, true);
1138
1139 if (yang_dnode_exists(dnode, "./metric"))
1140 metric = yang_dnode_get_uint32(dnode, "./metric");
1141 if (yang_dnode_exists(dnode, "./route-map"))
1142 routemap = yang_dnode_get_string(dnode, "./route-map");
1143
1144 isis_redist_set(area, level, family, type, metric, routemap, 0);
1145 }
1146
1147 void redistribute_ipv4_apply_finish(struct nb_cb_apply_finish_args *args)
1148 {
1149 redistribute_apply_finish(args->dnode, AF_INET);
1150 }
1151
1152 void redistribute_ipv6_apply_finish(struct nb_cb_apply_finish_args *args)
1153 {
1154 redistribute_apply_finish(args->dnode, AF_INET6);
1155 }
1156
1157 int isis_instance_redistribute_ipv4_create(struct nb_cb_create_args *args)
1158 {
1159 /* It's all done by redistribute_apply_finish */
1160 return NB_OK;
1161 }
1162
1163 int isis_instance_redistribute_ipv4_destroy(struct nb_cb_destroy_args *args)
1164 {
1165 struct isis_area *area;
1166 int level, type;
1167
1168 if (args->event != NB_EV_APPLY)
1169 return NB_OK;
1170
1171 area = nb_running_get_entry(args->dnode, NULL, true);
1172 level = yang_dnode_get_enum(args->dnode, "./level");
1173 type = yang_dnode_get_enum(args->dnode, "./protocol");
1174 isis_redist_unset(area, level, AF_INET, type);
1175
1176 return NB_OK;
1177 }
1178
1179 /*
1180 * XPath: /frr-isisd:isis/instance/redistribute/ipv4/route-map
1181 */
1182 int isis_instance_redistribute_ipv4_route_map_modify(
1183 struct nb_cb_modify_args *args)
1184 {
1185 /* It's all done by redistribute_apply_finish */
1186 return NB_OK;
1187 }
1188
1189 int isis_instance_redistribute_ipv4_route_map_destroy(
1190 struct nb_cb_destroy_args *args)
1191 {
1192 /* It's all done by redistribute_apply_finish */
1193 return NB_OK;
1194 }
1195
1196 /*
1197 * XPath: /frr-isisd:isis/instance/redistribute/ipv4/metric
1198 */
1199 int isis_instance_redistribute_ipv4_metric_modify(
1200 struct nb_cb_modify_args *args)
1201 {
1202 /* It's all done by redistribute_apply_finish */
1203 return NB_OK;
1204 }
1205
1206 /*
1207 * XPath: /frr-isisd:isis/instance/redistribute/ipv6
1208 */
1209 int isis_instance_redistribute_ipv6_create(struct nb_cb_create_args *args)
1210 {
1211 /* It's all done by redistribute_apply_finish */
1212 return NB_OK;
1213 }
1214
1215 int isis_instance_redistribute_ipv6_destroy(struct nb_cb_destroy_args *args)
1216 {
1217 struct isis_area *area;
1218 int level, type;
1219
1220 if (args->event != NB_EV_APPLY)
1221 return NB_OK;
1222
1223 area = nb_running_get_entry(args->dnode, NULL, true);
1224 level = yang_dnode_get_enum(args->dnode, "./level");
1225 type = yang_dnode_get_enum(args->dnode, "./protocol");
1226 isis_redist_unset(area, level, AF_INET6, type);
1227
1228 return NB_OK;
1229 }
1230
1231 /*
1232 * XPath: /frr-isisd:isis/instance/redistribute/ipv6/route-map
1233 */
1234 int isis_instance_redistribute_ipv6_route_map_modify(
1235 struct nb_cb_modify_args *args)
1236 {
1237 /* It's all done by redistribute_apply_finish */
1238 return NB_OK;
1239 }
1240
1241 int isis_instance_redistribute_ipv6_route_map_destroy(
1242 struct nb_cb_destroy_args *args)
1243 {
1244 /* It's all done by redistribute_apply_finish */
1245 return NB_OK;
1246 }
1247
1248 /*
1249 * XPath: /frr-isisd:isis/instance/redistribute/ipv6/metric
1250 */
1251 int isis_instance_redistribute_ipv6_metric_modify(
1252 struct nb_cb_modify_args *args)
1253 {
1254 /* It's all done by redistribute_apply_finish */
1255 return NB_OK;
1256 }
1257
1258 /*
1259 * XPath: /frr-isisd:isis/instance/multi-topology/ipv4-multicast
1260 */
1261 static int isis_multi_topology_common(enum nb_event event,
1262 const struct lyd_node *dnode,
1263 char *errmsg, size_t errmsg_len,
1264 const char *topology, bool create)
1265 {
1266 struct isis_area *area;
1267 struct isis_area_mt_setting *setting;
1268 uint16_t mtid = isis_str2mtid(topology);
1269
1270 switch (event) {
1271 case NB_EV_VALIDATE:
1272 if (mtid == (uint16_t)-1) {
1273 snprintf(errmsg, errmsg_len, "Unknown topology %s",
1274 topology);
1275 return NB_ERR_VALIDATION;
1276 }
1277 break;
1278 case NB_EV_PREPARE:
1279 case NB_EV_ABORT:
1280 break;
1281 case NB_EV_APPLY:
1282 area = nb_running_get_entry(dnode, NULL, true);
1283 setting = area_get_mt_setting(area, mtid);
1284 setting->enabled = create;
1285 lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 0);
1286 break;
1287 }
1288
1289 return NB_OK;
1290 }
1291
1292 static int isis_multi_topology_overload_common(enum nb_event event,
1293 const struct lyd_node *dnode,
1294 const char *topology)
1295 {
1296 struct isis_area *area;
1297 struct isis_area_mt_setting *setting;
1298 uint16_t mtid = isis_str2mtid(topology);
1299
1300 /* validation is done in isis_multi_topology_common */
1301 if (event != NB_EV_APPLY)
1302 return NB_OK;
1303
1304 area = nb_running_get_entry(dnode, NULL, true);
1305 setting = area_get_mt_setting(area, mtid);
1306 setting->overload = yang_dnode_get_bool(dnode, NULL);
1307 if (setting->enabled)
1308 lsp_regenerate_schedule(area, IS_LEVEL_1 | IS_LEVEL_2, 0);
1309
1310 return NB_OK;
1311 }
1312
1313 int isis_instance_multi_topology_ipv4_multicast_create(
1314 struct nb_cb_create_args *args)
1315 {
1316 return isis_multi_topology_common(args->event, args->dnode,
1317 args->errmsg, args->errmsg_len,
1318 "ipv4-multicast", true);
1319 }
1320
1321 int isis_instance_multi_topology_ipv4_multicast_destroy(
1322 struct nb_cb_destroy_args *args)
1323 {
1324 return isis_multi_topology_common(args->event, args->dnode,
1325 args->errmsg, args->errmsg_len,
1326 "ipv4-multicast", false);
1327 }
1328
1329 /*
1330 * XPath: /frr-isisd:isis/instance/multi-topology/ipv4-multicast/overload
1331 */
1332 int isis_instance_multi_topology_ipv4_multicast_overload_modify(
1333 struct nb_cb_modify_args *args)
1334 {
1335 return isis_multi_topology_overload_common(args->event, args->dnode,
1336 "ipv4-multicast");
1337 }
1338
1339 /*
1340 * XPath: /frr-isisd:isis/instance/multi-topology/ipv4-management
1341 */
1342 int isis_instance_multi_topology_ipv4_management_create(
1343 struct nb_cb_create_args *args)
1344 {
1345 return isis_multi_topology_common(args->event, args->dnode,
1346 args->errmsg, args->errmsg_len,
1347 "ipv4-mgmt", true);
1348 }
1349
1350 int isis_instance_multi_topology_ipv4_management_destroy(
1351 struct nb_cb_destroy_args *args)
1352 {
1353 return isis_multi_topology_common(args->event, args->dnode,
1354 args->errmsg, args->errmsg_len,
1355 "ipv4-mgmt", false);
1356 }
1357
1358 /*
1359 * XPath: /frr-isisd:isis/instance/multi-topology/ipv4-management/overload
1360 */
1361 int isis_instance_multi_topology_ipv4_management_overload_modify(
1362 struct nb_cb_modify_args *args)
1363 {
1364 return isis_multi_topology_overload_common(args->event, args->dnode,
1365 "ipv4-mgmt");
1366 }
1367
1368 /*
1369 * XPath: /frr-isisd:isis/instance/multi-topology/ipv6-unicast
1370 */
1371 int isis_instance_multi_topology_ipv6_unicast_create(
1372 struct nb_cb_create_args *args)
1373 {
1374 return isis_multi_topology_common(args->event, args->dnode,
1375 args->errmsg, args->errmsg_len,
1376 "ipv6-unicast", true);
1377 }
1378
1379 int isis_instance_multi_topology_ipv6_unicast_destroy(
1380 struct nb_cb_destroy_args *args)
1381 {
1382 return isis_multi_topology_common(args->event, args->dnode,
1383 args->errmsg, args->errmsg_len,
1384 "ipv6-unicast", false);
1385 }
1386
1387 /*
1388 * XPath: /frr-isisd:isis/instance/multi-topology/ipv6-unicast/overload
1389 */
1390 int isis_instance_multi_topology_ipv6_unicast_overload_modify(
1391 struct nb_cb_modify_args *args)
1392 {
1393 return isis_multi_topology_overload_common(args->event, args->dnode,
1394 "ipv6-unicast");
1395 }
1396
1397 /*
1398 * XPath: /frr-isisd:isis/instance/multi-topology/ipv6-multicast
1399 */
1400 int isis_instance_multi_topology_ipv6_multicast_create(
1401 struct nb_cb_create_args *args)
1402 {
1403 return isis_multi_topology_common(args->event, args->dnode,
1404 args->errmsg, args->errmsg_len,
1405 "ipv6-multicast", true);
1406 }
1407
1408 int isis_instance_multi_topology_ipv6_multicast_destroy(
1409 struct nb_cb_destroy_args *args)
1410 {
1411 return isis_multi_topology_common(args->event, args->dnode,
1412 args->errmsg, args->errmsg_len,
1413 "ipv6-multicast", false);
1414 }
1415
1416 /*
1417 * XPath: /frr-isisd:isis/instance/multi-topology/ipv6-multicast/overload
1418 */
1419 int isis_instance_multi_topology_ipv6_multicast_overload_modify(
1420 struct nb_cb_modify_args *args)
1421 {
1422 return isis_multi_topology_overload_common(args->event, args->dnode,
1423 "ipv6-multicast");
1424 }
1425
1426 /*
1427 * XPath: /frr-isisd:isis/instance/multi-topology/ipv6-management
1428 */
1429 int isis_instance_multi_topology_ipv6_management_create(
1430 struct nb_cb_create_args *args)
1431 {
1432 return isis_multi_topology_common(args->event, args->dnode,
1433 args->errmsg, args->errmsg_len,
1434 "ipv6-mgmt", true);
1435 }
1436
1437 int isis_instance_multi_topology_ipv6_management_destroy(
1438 struct nb_cb_destroy_args *args)
1439 {
1440 return isis_multi_topology_common(args->event, args->dnode,
1441 args->errmsg, args->errmsg_len,
1442 "ipv6-mgmt", false);
1443 }
1444
1445 /*
1446 * XPath: /frr-isisd:isis/instance/multi-topology/ipv6-management/overload
1447 */
1448 int isis_instance_multi_topology_ipv6_management_overload_modify(
1449 struct nb_cb_modify_args *args)
1450 {
1451 return isis_multi_topology_overload_common(args->event, args->dnode,
1452 "ipv6-mgmt");
1453 }
1454
1455 /*
1456 * XPath: /frr-isisd:isis/instance/multi-topology/ipv6-dstsrc
1457 */
1458 int isis_instance_multi_topology_ipv6_dstsrc_create(
1459 struct nb_cb_create_args *args)
1460 {
1461 return isis_multi_topology_common(args->event, args->dnode,
1462 args->errmsg, args->errmsg_len,
1463 "ipv6-dstsrc", true);
1464 }
1465
1466 int isis_instance_multi_topology_ipv6_dstsrc_destroy(
1467 struct nb_cb_destroy_args *args)
1468 {
1469 return isis_multi_topology_common(args->event, args->dnode,
1470 args->errmsg, args->errmsg_len,
1471 "ipv6-dstsrc", false);
1472 }
1473
1474 /*
1475 * XPath: /frr-isisd:isis/instance/multi-topology/ipv6-dstsrc/overload
1476 */
1477 int isis_instance_multi_topology_ipv6_dstsrc_overload_modify(
1478 struct nb_cb_modify_args *args)
1479 {
1480 return isis_multi_topology_overload_common(args->event, args->dnode,
1481 "ipv6-dstsrc");
1482 }
1483
1484 /*
1485 * XPath: /frr-isisd:isis/instance/fast-reroute/level-1/lfa/load-sharing
1486 */
1487 int isis_instance_fast_reroute_level_1_lfa_load_sharing_modify(
1488 struct nb_cb_modify_args *args)
1489 {
1490 struct isis_area *area;
1491
1492 if (args->event != NB_EV_APPLY)
1493 return NB_OK;
1494
1495 area = nb_running_get_entry(args->dnode, NULL, true);
1496 area->lfa_load_sharing[0] = yang_dnode_get_bool(args->dnode, NULL);
1497 lsp_regenerate_schedule(area, area->is_type, 0);
1498
1499 return NB_OK;
1500 }
1501
1502 /*
1503 * XPath: /frr-isisd:isis/instance/fast-reroute/level-1/lfa/priority-limit
1504 */
1505 int isis_instance_fast_reroute_level_1_lfa_priority_limit_modify(
1506 struct nb_cb_modify_args *args)
1507 {
1508 struct isis_area *area;
1509
1510 if (args->event != NB_EV_APPLY)
1511 return NB_OK;
1512
1513 area = nb_running_get_entry(args->dnode, NULL, true);
1514 area->lfa_priority_limit[0] = yang_dnode_get_enum(args->dnode, NULL);
1515 lsp_regenerate_schedule(area, area->is_type, 0);
1516
1517 return NB_OK;
1518 }
1519
1520 int isis_instance_fast_reroute_level_1_lfa_priority_limit_destroy(
1521 struct nb_cb_destroy_args *args)
1522 {
1523 struct isis_area *area;
1524
1525 if (args->event != NB_EV_APPLY)
1526 return NB_OK;
1527
1528 area = nb_running_get_entry(args->dnode, NULL, true);
1529 area->lfa_priority_limit[0] = SPF_PREFIX_PRIO_LOW;
1530 lsp_regenerate_schedule(area, area->is_type, 0);
1531
1532 return NB_OK;
1533 }
1534
1535 /*
1536 * XPath: /frr-isisd:isis/instance/fast-reroute/level-1/lfa/tiebreaker
1537 */
1538 int isis_instance_fast_reroute_level_1_lfa_tiebreaker_create(
1539 struct nb_cb_create_args *args)
1540 {
1541 struct isis_area *area;
1542 uint8_t index;
1543 enum lfa_tiebreaker_type type;
1544 struct lfa_tiebreaker *tie_b;
1545
1546 if (args->event != NB_EV_APPLY)
1547 return NB_OK;
1548
1549 area = nb_running_get_entry(args->dnode, NULL, true);
1550 index = yang_dnode_get_uint8(args->dnode, "./index");
1551 type = yang_dnode_get_enum(args->dnode, "./type");
1552
1553 tie_b = isis_lfa_tiebreaker_add(area, ISIS_LEVEL1, index, type);
1554 nb_running_set_entry(args->dnode, tie_b);
1555 lsp_regenerate_schedule(area, area->is_type, 0);
1556
1557 return NB_OK;
1558 }
1559
1560 int isis_instance_fast_reroute_level_1_lfa_tiebreaker_destroy(
1561 struct nb_cb_destroy_args *args)
1562 {
1563 struct lfa_tiebreaker *tie_b;
1564 struct isis_area *area;
1565
1566 if (args->event != NB_EV_APPLY)
1567 return NB_OK;
1568
1569 tie_b = nb_running_unset_entry(args->dnode);
1570 area = tie_b->area;
1571 isis_lfa_tiebreaker_delete(area, ISIS_LEVEL1, tie_b);
1572 lsp_regenerate_schedule(area, area->is_type, 0);
1573
1574 return NB_OK;
1575 }
1576
1577 /*
1578 * XPath: /frr-isisd:isis/instance/fast-reroute/level-1/lfa/tiebreaker/type
1579 */
1580 int isis_instance_fast_reroute_level_1_lfa_tiebreaker_type_modify(
1581 struct nb_cb_modify_args *args)
1582 {
1583 struct lfa_tiebreaker *tie_b;
1584 struct isis_area *area;
1585
1586 if (args->event != NB_EV_APPLY)
1587 return NB_OK;
1588
1589 tie_b = nb_running_get_entry(args->dnode, NULL, true);
1590 area = tie_b->area;
1591 tie_b->type = yang_dnode_get_enum(args->dnode, NULL);
1592 lsp_regenerate_schedule(area, area->is_type, 0);
1593
1594 return NB_OK;
1595 }
1596
1597 /*
1598 * XPath: /frr-isisd:isis/instance/fast-reroute/level-1/remote-lfa/prefix-list
1599 */
1600 int isis_instance_fast_reroute_level_1_remote_lfa_prefix_list_modify(
1601 struct nb_cb_modify_args *args)
1602 {
1603 struct isis_area *area;
1604 const char *plist_name;
1605
1606 if (args->event != NB_EV_APPLY)
1607 return NB_OK;
1608
1609 area = nb_running_get_entry(args->dnode, NULL, true);
1610 plist_name = yang_dnode_get_string(args->dnode, NULL);
1611
1612 area->rlfa_plist_name[0] = XSTRDUP(MTYPE_ISIS_PLIST_NAME, plist_name);
1613 area->rlfa_plist[0] = prefix_list_lookup(AFI_IP, plist_name);
1614 lsp_regenerate_schedule(area, area->is_type, 0);
1615
1616 return NB_OK;
1617 }
1618
1619 int isis_instance_fast_reroute_level_1_remote_lfa_prefix_list_destroy(
1620 struct nb_cb_destroy_args *args)
1621 {
1622 struct isis_area *area;
1623
1624 if (args->event != NB_EV_APPLY)
1625 return NB_OK;
1626
1627 area = nb_running_get_entry(args->dnode, NULL, true);
1628
1629 XFREE(MTYPE_ISIS_PLIST_NAME, area->rlfa_plist_name[0]);
1630 area->rlfa_plist[0] = NULL;
1631 lsp_regenerate_schedule(area, area->is_type, 0);
1632
1633 return NB_OK;
1634 }
1635
1636 /*
1637 * XPath: /frr-isisd:isis/instance/fast-reroute/level-2/lfa/load-sharing
1638 */
1639 int isis_instance_fast_reroute_level_2_lfa_load_sharing_modify(
1640 struct nb_cb_modify_args *args)
1641 {
1642 struct isis_area *area;
1643
1644 if (args->event != NB_EV_APPLY)
1645 return NB_OK;
1646
1647 area = nb_running_get_entry(args->dnode, NULL, true);
1648 area->lfa_load_sharing[1] = yang_dnode_get_bool(args->dnode, NULL);
1649
1650 return NB_OK;
1651 }
1652
1653 /*
1654 * XPath: /frr-isisd:isis/instance/fast-reroute/level-2/lfa/priority-limit
1655 */
1656 int isis_instance_fast_reroute_level_2_lfa_priority_limit_modify(
1657 struct nb_cb_modify_args *args)
1658 {
1659 struct isis_area *area;
1660
1661 if (args->event != NB_EV_APPLY)
1662 return NB_OK;
1663
1664 area = nb_running_get_entry(args->dnode, NULL, true);
1665 area->lfa_priority_limit[1] = yang_dnode_get_enum(args->dnode, NULL);
1666
1667 return NB_OK;
1668 }
1669
1670 int isis_instance_fast_reroute_level_2_lfa_priority_limit_destroy(
1671 struct nb_cb_destroy_args *args)
1672 {
1673 struct isis_area *area;
1674
1675 if (args->event != NB_EV_APPLY)
1676 return NB_OK;
1677
1678 area = nb_running_get_entry(args->dnode, NULL, true);
1679 area->lfa_priority_limit[1] = SPF_PREFIX_PRIO_LOW;
1680
1681 return NB_OK;
1682 }
1683
1684 /*
1685 * XPath: /frr-isisd:isis/instance/fast-reroute/level-2/lfa/tiebreaker
1686 */
1687 int isis_instance_fast_reroute_level_2_lfa_tiebreaker_create(
1688 struct nb_cb_create_args *args)
1689 {
1690 struct isis_area *area;
1691 uint8_t index;
1692 enum lfa_tiebreaker_type type;
1693 struct lfa_tiebreaker *tie_b;
1694
1695 if (args->event != NB_EV_APPLY)
1696 return NB_OK;
1697
1698 area = nb_running_get_entry(args->dnode, NULL, true);
1699 index = yang_dnode_get_uint8(args->dnode, "./index");
1700 type = yang_dnode_get_enum(args->dnode, "./type");
1701
1702 tie_b = isis_lfa_tiebreaker_add(area, ISIS_LEVEL2, index, type);
1703 nb_running_set_entry(args->dnode, tie_b);
1704 lsp_regenerate_schedule(area, area->is_type, 0);
1705
1706 return NB_OK;
1707 }
1708
1709 int isis_instance_fast_reroute_level_2_lfa_tiebreaker_destroy(
1710 struct nb_cb_destroy_args *args)
1711 {
1712 struct lfa_tiebreaker *tie_b;
1713 struct isis_area *area;
1714
1715 if (args->event != NB_EV_APPLY)
1716 return NB_OK;
1717
1718 tie_b = nb_running_unset_entry(args->dnode);
1719 area = tie_b->area;
1720 isis_lfa_tiebreaker_delete(area, ISIS_LEVEL2, tie_b);
1721 lsp_regenerate_schedule(area, area->is_type, 0);
1722
1723 return NB_OK;
1724 }
1725
1726 /*
1727 * XPath: /frr-isisd:isis/instance/fast-reroute/level-2/lfa/tiebreaker/type
1728 */
1729 int isis_instance_fast_reroute_level_2_lfa_tiebreaker_type_modify(
1730 struct nb_cb_modify_args *args)
1731 {
1732 struct lfa_tiebreaker *tie_b;
1733 struct isis_area *area;
1734
1735 if (args->event != NB_EV_APPLY)
1736 return NB_OK;
1737
1738 tie_b = nb_running_get_entry(args->dnode, NULL, true);
1739 area = tie_b->area;
1740 tie_b->type = yang_dnode_get_enum(args->dnode, NULL);
1741 lsp_regenerate_schedule(area, area->is_type, 0);
1742
1743 return NB_OK;
1744 }
1745
1746 /*
1747 * XPath: /frr-isisd:isis/instance/fast-reroute/level-2/remote-lfa/prefix-list
1748 */
1749 int isis_instance_fast_reroute_level_2_remote_lfa_prefix_list_modify(
1750 struct nb_cb_modify_args *args)
1751 {
1752 struct isis_area *area;
1753 const char *plist_name;
1754
1755 if (args->event != NB_EV_APPLY)
1756 return NB_OK;
1757
1758 area = nb_running_get_entry(args->dnode, NULL, true);
1759 plist_name = yang_dnode_get_string(args->dnode, NULL);
1760
1761 area->rlfa_plist_name[1] = XSTRDUP(MTYPE_ISIS_PLIST_NAME, plist_name);
1762 area->rlfa_plist[1] = prefix_list_lookup(AFI_IP, plist_name);
1763 lsp_regenerate_schedule(area, area->is_type, 0);
1764
1765 return NB_OK;
1766 }
1767
1768 int isis_instance_fast_reroute_level_2_remote_lfa_prefix_list_destroy(
1769 struct nb_cb_destroy_args *args)
1770 {
1771 struct isis_area *area;
1772
1773 if (args->event != NB_EV_APPLY)
1774 return NB_OK;
1775
1776 area = nb_running_get_entry(args->dnode, NULL, true);
1777
1778 XFREE(MTYPE_ISIS_PLIST_NAME, area->rlfa_plist_name[1]);
1779 area->rlfa_plist[1] = NULL;
1780 lsp_regenerate_schedule(area, area->is_type, 0);
1781
1782 return NB_OK;
1783 }
1784
1785 /*
1786 * XPath: /frr-isisd:isis/instance/log-adjacency-changes
1787 */
1788 int isis_instance_log_adjacency_changes_modify(struct nb_cb_modify_args *args)
1789 {
1790 struct isis_area *area;
1791 bool log = yang_dnode_get_bool(args->dnode, NULL);
1792
1793 if (args->event != NB_EV_APPLY)
1794 return NB_OK;
1795
1796 area = nb_running_get_entry(args->dnode, NULL, true);
1797 area->log_adj_changes = log ? 1 : 0;
1798
1799 return NB_OK;
1800 }
1801
1802 /*
1803 * XPath: /frr-isisd:isis/instance/mpls-te
1804 */
1805 int isis_instance_mpls_te_create(struct nb_cb_create_args *args)
1806 {
1807 struct listnode *node;
1808 struct isis_area *area;
1809 struct isis_circuit *circuit;
1810
1811 if (args->event != NB_EV_APPLY)
1812 return NB_OK;
1813
1814 area = nb_running_get_entry(args->dnode, NULL, true);
1815 if (area->mta == NULL) {
1816
1817 struct mpls_te_area *new;
1818
1819 zlog_debug("ISIS-TE(%s): Initialize MPLS Traffic Engineering",
1820 area->area_tag);
1821
1822 new = XCALLOC(MTYPE_ISIS_MPLS_TE, sizeof(struct mpls_te_area));
1823
1824 /* Initialize MPLS_TE structure */
1825 new->status = enable;
1826 new->level = 0;
1827 new->inter_as = off;
1828 new->interas_areaid.s_addr = 0;
1829 new->router_id.s_addr = 0;
1830
1831 area->mta = new;
1832 } else {
1833 area->mta->status = enable;
1834 }
1835
1836 /* Update Extended TLVs according to Interface link parameters */
1837 for (ALL_LIST_ELEMENTS_RO(area->circuit_list, node, circuit))
1838 isis_link_params_update(circuit, circuit->interface);
1839
1840 /* Reoriginate STD_TE & GMPLS circuits */
1841 lsp_regenerate_schedule(area, area->is_type, 0);
1842
1843 return NB_OK;
1844 }
1845
1846 int isis_instance_mpls_te_destroy(struct nb_cb_destroy_args *args)
1847 {
1848 struct listnode *node;
1849 struct isis_area *area;
1850 struct isis_circuit *circuit;
1851
1852 if (args->event != NB_EV_APPLY)
1853 return NB_OK;
1854
1855 area = nb_running_get_entry(args->dnode, NULL, true);
1856 if (IS_MPLS_TE(area->mta))
1857 area->mta->status = disable;
1858 else
1859 return NB_OK;
1860
1861 /* Flush LSP if circuit engage */
1862 for (ALL_LIST_ELEMENTS_RO(area->circuit_list, node, circuit)) {
1863 if (!IS_EXT_TE(circuit->ext))
1864 continue;
1865
1866 /* disable MPLS_TE Circuit keeping SR one's */
1867 if (IS_SUBTLV(circuit->ext, EXT_ADJ_SID))
1868 circuit->ext->status = EXT_ADJ_SID;
1869 else if (IS_SUBTLV(circuit->ext, EXT_LAN_ADJ_SID))
1870 circuit->ext->status = EXT_LAN_ADJ_SID;
1871 else
1872 circuit->ext->status = 0;
1873 }
1874
1875 /* Reoriginate STD_TE & GMPLS circuits */
1876 lsp_regenerate_schedule(area, area->is_type, 0);
1877
1878 zlog_debug("ISIS-TE(%s): Disabled MPLS Traffic Engineering",
1879 area->area_tag);
1880
1881 return NB_OK;
1882 }
1883
1884 /*
1885 * XPath: /frr-isisd:isis/instance/mpls-te/router-address
1886 */
1887 int isis_instance_mpls_te_router_address_modify(struct nb_cb_modify_args *args)
1888 {
1889 struct in_addr value;
1890 struct isis_area *area;
1891
1892 if (args->event != NB_EV_APPLY)
1893 return NB_OK;
1894
1895 area = nb_running_get_entry(args->dnode, NULL, true);
1896 /* only proceed if MPLS-TE is enabled */
1897 if (!IS_MPLS_TE(area->mta))
1898 return NB_OK;
1899
1900 /* Update Area Router ID */
1901 yang_dnode_get_ipv4(&value, args->dnode, NULL);
1902 area->mta->router_id.s_addr = value.s_addr;
1903
1904 /* And re-schedule LSP update */
1905 lsp_regenerate_schedule(area, area->is_type, 0);
1906
1907 return NB_OK;
1908 }
1909
1910 int isis_instance_mpls_te_router_address_destroy(
1911 struct nb_cb_destroy_args *args)
1912 {
1913 struct isis_area *area;
1914
1915 if (args->event != NB_EV_APPLY)
1916 return NB_OK;
1917
1918 area = nb_running_get_entry(args->dnode, NULL, true);
1919 /* only proceed if MPLS-TE is enabled */
1920 if (!IS_MPLS_TE(area->mta))
1921 return NB_OK;
1922
1923 /* Reset Area Router ID */
1924 area->mta->router_id.s_addr = INADDR_ANY;
1925
1926 /* And re-schedule LSP update */
1927 lsp_regenerate_schedule(area, area->is_type, 0);
1928
1929 return NB_OK;
1930 }
1931
1932 /*
1933 * XPath: /frr-isisd:isis/instance/segment-routing/enabled
1934 */
1935 int isis_instance_segment_routing_enabled_modify(
1936 struct nb_cb_modify_args *args)
1937 {
1938 struct isis_area *area;
1939
1940 if (args->event != NB_EV_APPLY)
1941 return NB_OK;
1942
1943 area = nb_running_get_entry(args->dnode, NULL, true);
1944 area->srdb.config.enabled = yang_dnode_get_bool(args->dnode, NULL);
1945
1946 if (area->srdb.config.enabled) {
1947 if (IS_DEBUG_EVENTS)
1948 zlog_debug("SR: Segment Routing: OFF -> ON");
1949
1950 isis_sr_start(area);
1951 } else {
1952 if (IS_DEBUG_EVENTS)
1953 zlog_debug("SR: Segment Routing: ON -> OFF");
1954
1955 isis_sr_stop(area);
1956 }
1957
1958 return NB_OK;
1959 }
1960
1961 /*
1962 * XPath: /frr-isisd:isis/instance/segment-routing/label-blocks
1963 */
1964 int isis_instance_segment_routing_label_blocks_pre_validate(
1965 struct nb_cb_pre_validate_args *args)
1966 {
1967 uint32_t srgb_lbound;
1968 uint32_t srgb_ubound;
1969 uint32_t srlb_lbound;
1970 uint32_t srlb_ubound;
1971
1972 srgb_lbound = yang_dnode_get_uint32(args->dnode, "./srgb/lower-bound");
1973 srgb_ubound = yang_dnode_get_uint32(args->dnode, "./srgb/upper-bound");
1974 srlb_lbound = yang_dnode_get_uint32(args->dnode, "./srlb/lower-bound");
1975 srlb_ubound = yang_dnode_get_uint32(args->dnode, "./srlb/upper-bound");
1976
1977 /* Check that the block size does not exceed 65535 */
1978 if ((srgb_ubound - srgb_lbound + 1) > 65535) {
1979 snprintf(
1980 args->errmsg, args->errmsg_len,
1981 "New SR Global Block (%u/%u) exceed the limit of 65535",
1982 srgb_lbound, srgb_ubound);
1983 return NB_ERR_VALIDATION;
1984 }
1985 if ((srlb_ubound - srlb_lbound + 1) > 65535) {
1986 snprintf(args->errmsg, args->errmsg_len,
1987 "New SR Local Block (%u/%u) exceed the limit of 65535",
1988 srlb_lbound, srlb_ubound);
1989 return NB_ERR_VALIDATION;
1990 }
1991
1992 /* Validate SRGB against SRLB */
1993 if (!((srgb_ubound < srlb_lbound) || (srgb_lbound > srlb_ubound))) {
1994 snprintf(
1995 args->errmsg, args->errmsg_len,
1996 "SR Global Block (%u/%u) conflicts with Local Block (%u/%u)",
1997 srgb_lbound, srgb_ubound, srlb_lbound, srlb_ubound);
1998 return NB_ERR_VALIDATION;
1999 }
2000
2001 return NB_OK;
2002 }
2003
2004 /*
2005 * XPath: /frr-isisd:isis/instance/segment-routing/label-blocks/srgb
2006 */
2007
2008 void isis_instance_segment_routing_srgb_apply_finish(
2009 struct nb_cb_apply_finish_args *args)
2010 {
2011 struct isis_area *area;
2012 uint32_t lower_bound, upper_bound;
2013
2014 area = nb_running_get_entry(args->dnode, NULL, true);
2015 lower_bound = yang_dnode_get_uint32(args->dnode, "./lower-bound");
2016 upper_bound = yang_dnode_get_uint32(args->dnode, "./upper-bound");
2017
2018 isis_sr_cfg_srgb_update(area, lower_bound, upper_bound);
2019 }
2020
2021 /*
2022 * XPath: /frr-isisd:isis/instance/segment-routing/label-blocks/srgb/lower-bound
2023 */
2024 int isis_instance_segment_routing_srgb_lower_bound_modify(
2025 struct nb_cb_modify_args *args)
2026 {
2027 uint32_t lower_bound = yang_dnode_get_uint32(args->dnode, NULL);
2028
2029 switch (args->event) {
2030 case NB_EV_VALIDATE:
2031 if (!IS_MPLS_UNRESERVED_LABEL(lower_bound)) {
2032 snprintf(args->errmsg, args->errmsg_len,
2033 "Invalid SRGB lower bound: %u", lower_bound);
2034 return NB_ERR_VALIDATION;
2035 }
2036 break;
2037 case NB_EV_PREPARE:
2038 case NB_EV_ABORT:
2039 case NB_EV_APPLY:
2040 break;
2041 }
2042
2043 return NB_OK;
2044 }
2045
2046 /*
2047 * XPath: /frr-isisd:isis/instance/segment-routing/label-blocks/srgb/upper-bound
2048 */
2049 int isis_instance_segment_routing_srgb_upper_bound_modify(
2050 struct nb_cb_modify_args *args)
2051 {
2052 uint32_t upper_bound = yang_dnode_get_uint32(args->dnode, NULL);
2053
2054 switch (args->event) {
2055 case NB_EV_VALIDATE:
2056 if (!IS_MPLS_UNRESERVED_LABEL(upper_bound)) {
2057 snprintf(args->errmsg, args->errmsg_len,
2058 "Invalid SRGB upper bound: %u", upper_bound);
2059 return NB_ERR_VALIDATION;
2060 }
2061 break;
2062 case NB_EV_PREPARE:
2063 case NB_EV_ABORT:
2064 case NB_EV_APPLY:
2065 break;
2066 }
2067
2068 return NB_OK;
2069 }
2070
2071 /*
2072 * XPath: /frr-isisd:isis/instance/segment-routing/label-blocks/srlb
2073 */
2074 void isis_instance_segment_routing_srlb_apply_finish(
2075 struct nb_cb_apply_finish_args *args)
2076 {
2077 struct isis_area *area;
2078 uint32_t lower_bound, upper_bound;
2079
2080 area = nb_running_get_entry(args->dnode, NULL, true);
2081 lower_bound = yang_dnode_get_uint32(args->dnode, "./lower-bound");
2082 upper_bound = yang_dnode_get_uint32(args->dnode, "./upper-bound");
2083
2084 isis_sr_cfg_srlb_update(area, lower_bound, upper_bound);
2085 }
2086
2087 /*
2088 * XPath: /frr-isisd:isis/instance/segment-routing/label-blocks/srlb/lower-bound
2089 */
2090 int isis_instance_segment_routing_srlb_lower_bound_modify(
2091 struct nb_cb_modify_args *args)
2092 {
2093 uint32_t lower_bound = yang_dnode_get_uint32(args->dnode, NULL);
2094
2095 switch (args->event) {
2096 case NB_EV_VALIDATE:
2097 if (!IS_MPLS_UNRESERVED_LABEL(lower_bound)) {
2098 snprintf(args->errmsg, args->errmsg_len,
2099 "Invalid SRLB lower bound: %u", lower_bound);
2100 return NB_ERR_VALIDATION;
2101 }
2102 break;
2103 case NB_EV_PREPARE:
2104 case NB_EV_ABORT:
2105 case NB_EV_APPLY:
2106 break;
2107 }
2108
2109 return NB_OK;
2110 }
2111
2112 /*
2113 * XPath: /frr-isisd:isis/instance/segment-routing/label-blocks/srlb/upper-bound
2114 */
2115 int isis_instance_segment_routing_srlb_upper_bound_modify(
2116 struct nb_cb_modify_args *args)
2117 {
2118 uint32_t upper_bound = yang_dnode_get_uint32(args->dnode, NULL);
2119
2120 switch (args->event) {
2121 case NB_EV_VALIDATE:
2122 if (!IS_MPLS_UNRESERVED_LABEL(upper_bound)) {
2123 snprintf(args->errmsg, args->errmsg_len,
2124 "Invalid SRLB upper bound: %u", upper_bound);
2125 return NB_ERR_VALIDATION;
2126 }
2127 break;
2128 case NB_EV_PREPARE:
2129 case NB_EV_ABORT:
2130 case NB_EV_APPLY:
2131 break;
2132 }
2133
2134 return NB_OK;
2135 }
2136
2137 /*
2138 * XPath: /frr-isisd:isis/instance/segment-routing/msd/node-msd
2139 */
2140 int isis_instance_segment_routing_msd_node_msd_modify(
2141 struct nb_cb_modify_args *args)
2142 {
2143 struct isis_area *area;
2144
2145 if (args->event != NB_EV_APPLY)
2146 return NB_OK;
2147
2148 area = nb_running_get_entry(args->dnode, NULL, true);
2149 area->srdb.config.msd = yang_dnode_get_uint8(args->dnode, NULL);
2150
2151 /* Update and regenerate LSP */
2152 lsp_regenerate_schedule(area, area->is_type, 0);
2153
2154 return NB_OK;
2155 }
2156
2157 int isis_instance_segment_routing_msd_node_msd_destroy(
2158 struct nb_cb_destroy_args *args)
2159 {
2160 struct isis_area *area;
2161
2162 if (args->event != NB_EV_APPLY)
2163 return NB_OK;
2164
2165 area = nb_running_get_entry(args->dnode, NULL, true);
2166 area->srdb.config.msd = 0;
2167
2168 /* Update and regenerate LSP */
2169 lsp_regenerate_schedule(area, area->is_type, 0);
2170
2171 return NB_OK;
2172 }
2173
2174 /*
2175 * XPath: /frr-isisd:isis/instance/segment-routing/prefix-sid-map/prefix-sid
2176 */
2177 int isis_instance_segment_routing_prefix_sid_map_prefix_sid_create(
2178 struct nb_cb_create_args *args)
2179 {
2180 struct isis_area *area;
2181 struct prefix prefix;
2182 struct sr_prefix_cfg *pcfg;
2183
2184 if (args->event != NB_EV_APPLY)
2185 return NB_OK;
2186
2187 area = nb_running_get_entry(args->dnode, NULL, true);
2188 yang_dnode_get_prefix(&prefix, args->dnode, "./prefix");
2189
2190 pcfg = isis_sr_cfg_prefix_add(area, &prefix);
2191 nb_running_set_entry(args->dnode, pcfg);
2192
2193 return NB_OK;
2194 }
2195
2196 int isis_instance_segment_routing_prefix_sid_map_prefix_sid_destroy(
2197 struct nb_cb_destroy_args *args)
2198 {
2199 struct sr_prefix_cfg *pcfg;
2200 struct isis_area *area;
2201
2202 if (args->event != NB_EV_APPLY)
2203 return NB_OK;
2204
2205 pcfg = nb_running_unset_entry(args->dnode);
2206 area = pcfg->area;
2207 isis_sr_cfg_prefix_del(pcfg);
2208 lsp_regenerate_schedule(area, area->is_type, 0);
2209
2210 return NB_OK;
2211 }
2212
2213 int isis_instance_segment_routing_prefix_sid_map_prefix_sid_pre_validate(
2214 struct nb_cb_pre_validate_args *args)
2215 {
2216 const struct lyd_node *area_dnode;
2217 struct isis_area *area;
2218 struct prefix prefix;
2219 uint32_t srgb_lbound;
2220 uint32_t srgb_ubound;
2221 uint32_t srgb_range;
2222 uint32_t sid;
2223 enum sr_sid_value_type sid_type;
2224 struct isis_prefix_sid psid = {};
2225
2226 yang_dnode_get_prefix(&prefix, args->dnode, "./prefix");
2227 srgb_lbound = yang_dnode_get_uint32(
2228 args->dnode, "../../label-blocks/srgb/lower-bound");
2229 srgb_ubound = yang_dnode_get_uint32(
2230 args->dnode, "../../label-blocks/srgb/upper-bound");
2231 sid = yang_dnode_get_uint32(args->dnode, "./sid-value");
2232 sid_type = yang_dnode_get_enum(args->dnode, "./sid-value-type");
2233
2234 /* Check for invalid indexes/labels. */
2235 srgb_range = srgb_ubound - srgb_lbound + 1;
2236 psid.value = sid;
2237 switch (sid_type) {
2238 case SR_SID_VALUE_TYPE_INDEX:
2239 if (sid >= srgb_range) {
2240 snprintf(args->errmsg, args->errmsg_len,
2241 "SID index %u falls outside local SRGB range",
2242 sid);
2243 return NB_ERR_VALIDATION;
2244 }
2245 break;
2246 case SR_SID_VALUE_TYPE_ABSOLUTE:
2247 if (!IS_MPLS_UNRESERVED_LABEL(sid)) {
2248 snprintf(args->errmsg, args->errmsg_len,
2249 "Invalid absolute SID %u", sid);
2250 return NB_ERR_VALIDATION;
2251 }
2252 SET_FLAG(psid.flags, ISIS_PREFIX_SID_VALUE);
2253 SET_FLAG(psid.flags, ISIS_PREFIX_SID_LOCAL);
2254 break;
2255 }
2256
2257 /* Check for Prefix-SID collisions. */
2258 area_dnode = yang_dnode_get_parent(args->dnode, "instance");
2259 area = nb_running_get_entry(area_dnode, NULL, false);
2260 if (area) {
2261 for (int tree = SPFTREE_IPV4; tree < SPFTREE_COUNT; tree++) {
2262 for (int level = ISIS_LEVEL1; level <= ISIS_LEVEL2;
2263 level++) {
2264 struct isis_spftree *spftree;
2265 struct isis_vertex *vertex_psid;
2266
2267 if (!(area->is_type & level))
2268 continue;
2269 spftree = area->spftree[tree][level - 1];
2270 if (!spftree)
2271 continue;
2272
2273 vertex_psid = isis_spf_prefix_sid_lookup(
2274 spftree, &psid);
2275 if (vertex_psid
2276 && !prefix_same(&vertex_psid->N.ip.p.dest,
2277 &prefix)) {
2278 snprintfrr(
2279 args->errmsg, args->errmsg_len,
2280 "Prefix-SID collision detected, SID %s %u is already in use by prefix %pFX (L%u)",
2281 CHECK_FLAG(
2282 psid.flags,
2283 ISIS_PREFIX_SID_VALUE)
2284 ? "label"
2285 : "index",
2286 psid.value,
2287 &vertex_psid->N.ip.p.dest,
2288 level);
2289 return NB_ERR_VALIDATION;
2290 }
2291 }
2292 }
2293 }
2294
2295 return NB_OK;
2296 }
2297
2298 void isis_instance_segment_routing_prefix_sid_map_prefix_sid_apply_finish(
2299 struct nb_cb_apply_finish_args *args)
2300 {
2301 struct sr_prefix_cfg *pcfg;
2302 struct isis_area *area;
2303
2304 pcfg = nb_running_get_entry(args->dnode, NULL, true);
2305 area = pcfg->area;
2306 lsp_regenerate_schedule(area, area->is_type, 0);
2307 }
2308
2309 /*
2310 * XPath:
2311 * /frr-isisd:isis/instance/segment-routing/prefix-sid-map/prefix-sid/sid-value-type
2312 */
2313 int isis_instance_segment_routing_prefix_sid_map_prefix_sid_sid_value_type_modify(
2314 struct nb_cb_modify_args *args)
2315 {
2316 struct sr_prefix_cfg *pcfg;
2317
2318 if (args->event != NB_EV_APPLY)
2319 return NB_OK;
2320
2321 pcfg = nb_running_get_entry(args->dnode, NULL, true);
2322 pcfg->sid_type = yang_dnode_get_enum(args->dnode, NULL);
2323
2324 return NB_OK;
2325 }
2326
2327 /*
2328 * XPath:
2329 * /frr-isisd:isis/instance/segment-routing/prefix-sid-map/prefix-sid/sid-value
2330 */
2331 int isis_instance_segment_routing_prefix_sid_map_prefix_sid_sid_value_modify(
2332 struct nb_cb_modify_args *args)
2333 {
2334 struct sr_prefix_cfg *pcfg;
2335
2336 if (args->event != NB_EV_APPLY)
2337 return NB_OK;
2338
2339 pcfg = nb_running_get_entry(args->dnode, NULL, true);
2340 pcfg->sid = yang_dnode_get_uint32(args->dnode, NULL);
2341
2342 return NB_OK;
2343 }
2344
2345 /*
2346 * XPath:
2347 * /frr-isisd:isis/instance/segment-routing/prefix-sid-map/prefix-sid/last-hop-behavior
2348 */
2349 int isis_instance_segment_routing_prefix_sid_map_prefix_sid_last_hop_behavior_modify(
2350 struct nb_cb_modify_args *args)
2351 {
2352 struct sr_prefix_cfg *pcfg;
2353
2354 if (args->event != NB_EV_APPLY)
2355 return NB_OK;
2356
2357 pcfg = nb_running_get_entry(args->dnode, NULL, true);
2358 pcfg->last_hop_behavior = yang_dnode_get_enum(args->dnode, NULL);
2359
2360 return NB_OK;
2361 }
2362
2363 /*
2364 * XPath: /frr-isisd:isis/instance/segment-routing/prefix-sid-map/prefix-sid/n-flag-clear
2365 */
2366 int isis_instance_segment_routing_prefix_sid_map_prefix_sid_n_flag_clear_modify(
2367 struct nb_cb_modify_args *args)
2368 {
2369 struct sr_prefix_cfg *pcfg;
2370
2371 if (args->event != NB_EV_APPLY)
2372 return NB_OK;
2373
2374 pcfg = nb_running_get_entry(args->dnode, NULL, true);
2375 pcfg->n_flag_clear = yang_dnode_get_bool(args->dnode, NULL);
2376
2377 return NB_OK;
2378 }
2379
2380 /*
2381 * XPath: /frr-isisd:isis/instance/mpls/ldp-sync
2382 */
2383 int isis_instance_mpls_ldp_sync_create(struct nb_cb_create_args *args)
2384 {
2385 struct isis_area *area;
2386 const char *vrfname;
2387
2388 switch (args->event) {
2389 case NB_EV_VALIDATE:
2390 vrfname = yang_dnode_get_string(
2391 lyd_parent(lyd_parent(args->dnode)), "./vrf");
2392
2393 if (strcmp(vrfname, VRF_DEFAULT_NAME)) {
2394 snprintf(args->errmsg, args->errmsg_len,
2395 "LDP-Sync only runs on Default VRF");
2396 return NB_ERR_VALIDATION;
2397 }
2398 break;
2399 case NB_EV_PREPARE:
2400 case NB_EV_ABORT:
2401 break;
2402 case NB_EV_APPLY:
2403 area = nb_running_get_entry(args->dnode, NULL, true);
2404 isis_area_ldp_sync_enable(area);
2405 break;
2406 }
2407 return NB_OK;
2408 }
2409
2410 int isis_instance_mpls_ldp_sync_destroy(struct nb_cb_destroy_args *args)
2411 {
2412 struct isis_area *area;
2413
2414 if (args->event != NB_EV_APPLY)
2415 return NB_OK;
2416
2417 area = nb_running_get_entry(args->dnode, NULL, true);
2418 isis_area_ldp_sync_disable(area);
2419
2420 return NB_OK;
2421 }
2422
2423 /*
2424 * XPath: /frr-isisd:isis/instance/mpls/ldp-sync/holddown
2425 */
2426 int isis_instance_mpls_ldp_sync_holddown_modify(struct nb_cb_modify_args *args)
2427 {
2428 struct isis_area *area;
2429 uint16_t holddown;
2430 const char *vrfname;
2431
2432 switch (args->event) {
2433 case NB_EV_VALIDATE:
2434 vrfname = yang_dnode_get_string(
2435 lyd_parent(lyd_parent(lyd_parent(args->dnode))),
2436 "./vrf");
2437
2438 if (strcmp(vrfname, VRF_DEFAULT_NAME)) {
2439 snprintf(args->errmsg, args->errmsg_len,
2440 "LDP-Sync only runs on Default VRF");
2441 return NB_ERR_VALIDATION;
2442 }
2443 break;
2444 case NB_EV_PREPARE:
2445 case NB_EV_ABORT:
2446 break;
2447 case NB_EV_APPLY:
2448 area = nb_running_get_entry(args->dnode, NULL, true);
2449 holddown = yang_dnode_get_uint16(args->dnode, NULL);
2450 isis_area_ldp_sync_set_holddown(area, holddown);
2451 break;
2452 }
2453 return NB_OK;
2454 }
2455
2456 /*
2457 * XPath: /frr-interface:lib/interface/frr-isisd:isis
2458 */
2459 int lib_interface_isis_create(struct nb_cb_create_args *args)
2460 {
2461 struct isis_area *area = NULL;
2462 struct interface *ifp;
2463 struct isis_circuit *circuit = NULL;
2464 const char *area_tag = yang_dnode_get_string(args->dnode, "./area-tag");
2465 uint32_t min_mtu, actual_mtu;
2466
2467 switch (args->event) {
2468 case NB_EV_PREPARE:
2469 case NB_EV_ABORT:
2470 break;
2471 case NB_EV_VALIDATE:
2472 /* check if interface mtu is sufficient. If the area has not
2473 * been created yet, assume default MTU for the area
2474 */
2475 ifp = nb_running_get_entry(args->dnode, NULL, false);
2476 /* zebra might not know yet about the MTU - nothing we can do */
2477 if (!ifp || ifp->mtu == 0)
2478 break;
2479 actual_mtu =
2480 if_is_broadcast(ifp) ? ifp->mtu - LLC_LEN : ifp->mtu;
2481
2482 area = isis_area_lookup(area_tag, ifp->vrf_id);
2483 if (area)
2484 min_mtu = area->lsp_mtu;
2485 else
2486 #ifndef FABRICD
2487 min_mtu = yang_get_default_uint16(
2488 "/frr-isisd:isis/instance/lsp/mtu");
2489 #else
2490 min_mtu = DEFAULT_LSP_MTU;
2491 #endif /* ifndef FABRICD */
2492 if (actual_mtu < min_mtu) {
2493 snprintf(args->errmsg, args->errmsg_len,
2494 "Interface %s has MTU %u, minimum MTU for the area is %u",
2495 ifp->name, actual_mtu, min_mtu);
2496 return NB_ERR_VALIDATION;
2497 }
2498 break;
2499 case NB_EV_APPLY:
2500 ifp = nb_running_get_entry(args->dnode, NULL, true);
2501 circuit = isis_circuit_new(ifp, area_tag);
2502 nb_running_set_entry(args->dnode, circuit);
2503 break;
2504 }
2505
2506 return NB_OK;
2507 }
2508
2509 int lib_interface_isis_destroy(struct nb_cb_destroy_args *args)
2510 {
2511 struct isis_circuit *circuit;
2512
2513 if (args->event != NB_EV_APPLY)
2514 return NB_OK;
2515
2516 circuit = nb_running_unset_entry(args->dnode);
2517
2518 isis_circuit_del(circuit);
2519
2520 return NB_OK;
2521 }
2522
2523 /*
2524 * XPath: /frr-interface:lib/interface/frr-isisd:isis/area-tag
2525 */
2526 int lib_interface_isis_area_tag_modify(struct nb_cb_modify_args *args)
2527 {
2528 struct isis_circuit *circuit;
2529
2530 if (args->event == NB_EV_VALIDATE) {
2531 circuit = nb_running_get_entry_non_rec(lyd_parent(args->dnode), NULL, false);
2532 if (circuit) {
2533 snprintf(args->errmsg, args->errmsg_len,
2534 "Changing area tag is not allowed");
2535 return NB_ERR_VALIDATION;
2536 }
2537 }
2538
2539 return NB_OK;
2540 }
2541
2542 /*
2543 * XPath: /frr-interface:lib/interface/frr-isisd:isis/circuit-type
2544 */
2545 int lib_interface_isis_circuit_type_modify(struct nb_cb_modify_args *args)
2546 {
2547 int circ_type = yang_dnode_get_enum(args->dnode, NULL);
2548 struct isis_circuit *circuit;
2549
2550 switch (args->event) {
2551 case NB_EV_VALIDATE:
2552 case NB_EV_PREPARE:
2553 case NB_EV_ABORT:
2554 break;
2555 case NB_EV_APPLY:
2556 circuit = nb_running_get_entry(args->dnode, NULL, true);
2557 circuit->is_type_config = circ_type;
2558 isis_circuit_is_type_set(circuit, circ_type);
2559 break;
2560 }
2561
2562 return NB_OK;
2563 }
2564
2565 /*
2566 * XPath: /frr-interface:lib/interface/frr-isisd:isis/ipv4-routing
2567 */
2568 int lib_interface_isis_ipv4_routing_modify(struct nb_cb_modify_args *args)
2569 {
2570 bool ipv4, ipv6;
2571 struct isis_circuit *circuit;
2572
2573 if (args->event != NB_EV_APPLY)
2574 return NB_OK;
2575
2576 circuit = nb_running_get_entry(args->dnode, NULL, true);
2577 ipv4 = yang_dnode_get_bool(args->dnode, NULL);
2578 ipv6 = yang_dnode_get_bool(args->dnode, "../ipv6-routing");
2579 isis_circuit_af_set(circuit, ipv4, ipv6);
2580
2581 return NB_OK;
2582 }
2583
2584 /*
2585 * XPath: /frr-interface:lib/interface/frr-isisd:isis/ipv6-routing
2586 */
2587 int lib_interface_isis_ipv6_routing_modify(struct nb_cb_modify_args *args)
2588 {
2589 bool ipv4, ipv6;
2590 struct isis_circuit *circuit;
2591
2592 if (args->event != NB_EV_APPLY)
2593 return NB_OK;
2594
2595 circuit = nb_running_get_entry(args->dnode, NULL, true);
2596 ipv4 = yang_dnode_get_bool(args->dnode, "../ipv4-routing");
2597 ipv6 = yang_dnode_get_bool(args->dnode, NULL);
2598 isis_circuit_af_set(circuit, ipv4, ipv6);
2599
2600 return NB_OK;
2601 }
2602
2603 /*
2604 * XPath: /frr-interface:lib/interface/frr-isisd:isis/bfd-monitoring
2605 */
2606 void lib_interface_isis_bfd_monitoring_apply_finish(
2607 struct nb_cb_apply_finish_args *args)
2608 {
2609 struct isis_circuit *circuit;
2610
2611 circuit = nb_running_get_entry(args->dnode, NULL, true);
2612 isis_bfd_circuit_cmd(circuit);
2613 }
2614
2615 /*
2616 * XPath: /frr-interface:lib/interface/frr-isisd:isis/bfd-monitoring/enabled
2617 */
2618 int lib_interface_isis_bfd_monitoring_enabled_modify(
2619 struct nb_cb_modify_args *args)
2620 {
2621 struct isis_circuit *circuit;
2622
2623 if (args->event != NB_EV_APPLY)
2624 return NB_OK;
2625
2626 circuit = nb_running_get_entry(args->dnode, NULL, true);
2627 circuit->bfd_config.enabled = yang_dnode_get_bool(args->dnode, NULL);
2628
2629 return NB_OK;
2630 }
2631
2632 /*
2633 * XPath: /frr-interface:lib/interface/frr-isisd:isis/bfd-monitoring/profile
2634 */
2635 int lib_interface_isis_bfd_monitoring_profile_modify(
2636 struct nb_cb_modify_args *args)
2637 {
2638 struct isis_circuit *circuit;
2639
2640 if (args->event != NB_EV_APPLY)
2641 return NB_OK;
2642
2643 circuit = nb_running_get_entry(args->dnode, NULL, true);
2644 XFREE(MTYPE_TMP, circuit->bfd_config.profile);
2645 circuit->bfd_config.profile =
2646 XSTRDUP(MTYPE_TMP, yang_dnode_get_string(args->dnode, NULL));
2647
2648 return NB_OK;
2649 }
2650
2651 int lib_interface_isis_bfd_monitoring_profile_destroy(
2652 struct nb_cb_destroy_args *args)
2653 {
2654 struct isis_circuit *circuit;
2655
2656 if (args->event != NB_EV_APPLY)
2657 return NB_OK;
2658
2659 circuit = nb_running_get_entry(args->dnode, NULL, true);
2660 XFREE(MTYPE_TMP, circuit->bfd_config.profile);
2661
2662 return NB_OK;
2663 }
2664
2665 /*
2666 * XPath: /frr-interface:lib/interface/frr-isisd:isis/csnp-interval/level-1
2667 */
2668 int lib_interface_isis_csnp_interval_level_1_modify(
2669 struct nb_cb_modify_args *args)
2670 {
2671 struct isis_circuit *circuit;
2672
2673 if (args->event != NB_EV_APPLY)
2674 return NB_OK;
2675
2676 circuit = nb_running_get_entry(args->dnode, NULL, true);
2677 circuit->csnp_interval[0] = yang_dnode_get_uint16(args->dnode, NULL);
2678
2679 return NB_OK;
2680 }
2681
2682 /*
2683 * XPath: /frr-interface:lib/interface/frr-isisd:isis/csnp-interval/level-2
2684 */
2685 int lib_interface_isis_csnp_interval_level_2_modify(
2686 struct nb_cb_modify_args *args)
2687 {
2688 struct isis_circuit *circuit;
2689
2690 if (args->event != NB_EV_APPLY)
2691 return NB_OK;
2692
2693 circuit = nb_running_get_entry(args->dnode, NULL, true);
2694 circuit->csnp_interval[1] = yang_dnode_get_uint16(args->dnode, NULL);
2695
2696 return NB_OK;
2697 }
2698
2699 /*
2700 * XPath: /frr-interface:lib/interface/frr-isisd:isis/psnp-interval/level-1
2701 */
2702 int lib_interface_isis_psnp_interval_level_1_modify(
2703 struct nb_cb_modify_args *args)
2704 {
2705 struct isis_circuit *circuit;
2706
2707 if (args->event != NB_EV_APPLY)
2708 return NB_OK;
2709
2710 circuit = nb_running_get_entry(args->dnode, NULL, true);
2711 circuit->psnp_interval[0] = yang_dnode_get_uint16(args->dnode, NULL);
2712
2713 return NB_OK;
2714 }
2715
2716 /*
2717 * XPath: /frr-interface:lib/interface/frr-isisd:isis/psnp-interval/level-2
2718 */
2719 int lib_interface_isis_psnp_interval_level_2_modify(
2720 struct nb_cb_modify_args *args)
2721 {
2722 struct isis_circuit *circuit;
2723
2724 if (args->event != NB_EV_APPLY)
2725 return NB_OK;
2726
2727 circuit = nb_running_get_entry(args->dnode, NULL, true);
2728 circuit->psnp_interval[1] = yang_dnode_get_uint16(args->dnode, NULL);
2729
2730 return NB_OK;
2731 }
2732
2733 /*
2734 * XPath: /frr-interface:lib/interface/frr-isisd:isis/hello/padding
2735 */
2736 int lib_interface_isis_hello_padding_modify(struct nb_cb_modify_args *args)
2737 {
2738 struct isis_circuit *circuit;
2739
2740 if (args->event != NB_EV_APPLY)
2741 return NB_OK;
2742
2743 circuit = nb_running_get_entry(args->dnode, NULL, true);
2744 circuit->pad_hellos = yang_dnode_get_bool(args->dnode, NULL);
2745
2746 return NB_OK;
2747 }
2748
2749 /*
2750 * XPath: /frr-interface:lib/interface/frr-isisd:isis/hello/interval/level-1
2751 */
2752 int lib_interface_isis_hello_interval_level_1_modify(
2753 struct nb_cb_modify_args *args)
2754 {
2755 struct isis_circuit *circuit;
2756 uint32_t interval;
2757
2758 if (args->event != NB_EV_APPLY)
2759 return NB_OK;
2760
2761 circuit = nb_running_get_entry(args->dnode, NULL, true);
2762 interval = yang_dnode_get_uint32(args->dnode, NULL);
2763 circuit->hello_interval[0] = interval;
2764
2765 return NB_OK;
2766 }
2767
2768 /*
2769 * XPath: /frr-interface:lib/interface/frr-isisd:isis/hello/interval/level-2
2770 */
2771 int lib_interface_isis_hello_interval_level_2_modify(
2772 struct nb_cb_modify_args *args)
2773 {
2774 struct isis_circuit *circuit;
2775 uint32_t interval;
2776
2777 if (args->event != NB_EV_APPLY)
2778 return NB_OK;
2779
2780 circuit = nb_running_get_entry(args->dnode, NULL, true);
2781 interval = yang_dnode_get_uint32(args->dnode, NULL);
2782 circuit->hello_interval[1] = interval;
2783
2784 return NB_OK;
2785 }
2786
2787 /*
2788 * XPath: /frr-interface:lib/interface/frr-isisd:isis/hello/multiplier/level-1
2789 */
2790 int lib_interface_isis_hello_multiplier_level_1_modify(
2791 struct nb_cb_modify_args *args)
2792 {
2793 struct isis_circuit *circuit;
2794 uint16_t multi;
2795
2796 if (args->event != NB_EV_APPLY)
2797 return NB_OK;
2798
2799 circuit = nb_running_get_entry(args->dnode, NULL, true);
2800 multi = yang_dnode_get_uint16(args->dnode, NULL);
2801 circuit->hello_multiplier[0] = multi;
2802
2803 return NB_OK;
2804 }
2805
2806 /*
2807 * XPath: /frr-interface:lib/interface/frr-isisd:isis/hello/multiplier/level-2
2808 */
2809 int lib_interface_isis_hello_multiplier_level_2_modify(
2810 struct nb_cb_modify_args *args)
2811 {
2812 struct isis_circuit *circuit;
2813 uint16_t multi;
2814
2815 if (args->event != NB_EV_APPLY)
2816 return NB_OK;
2817
2818 circuit = nb_running_get_entry(args->dnode, NULL, true);
2819 multi = yang_dnode_get_uint16(args->dnode, NULL);
2820 circuit->hello_multiplier[1] = multi;
2821
2822 return NB_OK;
2823 }
2824
2825 /*
2826 * XPath: /frr-interface:lib/interface/frr-isisd:isis/metric/level-1
2827 */
2828 int lib_interface_isis_metric_level_1_modify(struct nb_cb_modify_args *args)
2829 {
2830 struct isis_circuit *circuit;
2831 unsigned int met;
2832
2833 if (args->event != NB_EV_APPLY)
2834 return NB_OK;
2835
2836 circuit = nb_running_get_entry(args->dnode, NULL, true);
2837 met = yang_dnode_get_uint32(args->dnode, NULL);
2838 isis_circuit_metric_set(circuit, IS_LEVEL_1, met);
2839
2840 return NB_OK;
2841 }
2842
2843 /*
2844 * XPath: /frr-interface:lib/interface/frr-isisd:isis/metric/level-2
2845 */
2846 int lib_interface_isis_metric_level_2_modify(struct nb_cb_modify_args *args)
2847 {
2848 struct isis_circuit *circuit;
2849 unsigned int met;
2850
2851 if (args->event != NB_EV_APPLY)
2852 return NB_OK;
2853
2854 circuit = nb_running_get_entry(args->dnode, NULL, true);
2855 met = yang_dnode_get_uint32(args->dnode, NULL);
2856 isis_circuit_metric_set(circuit, IS_LEVEL_2, met);
2857
2858 return NB_OK;
2859 }
2860
2861 /*
2862 * XPath: /frr-interface:lib/interface/frr-isisd:isis/priority/level-1
2863 */
2864 int lib_interface_isis_priority_level_1_modify(struct nb_cb_modify_args *args)
2865 {
2866 struct isis_circuit *circuit;
2867
2868 if (args->event != NB_EV_APPLY)
2869 return NB_OK;
2870
2871 circuit = nb_running_get_entry(args->dnode, NULL, true);
2872 circuit->priority[0] = yang_dnode_get_uint8(args->dnode, NULL);
2873
2874 return NB_OK;
2875 }
2876
2877 /*
2878 * XPath: /frr-interface:lib/interface/frr-isisd:isis/priority/level-2
2879 */
2880 int lib_interface_isis_priority_level_2_modify(struct nb_cb_modify_args *args)
2881 {
2882 struct isis_circuit *circuit;
2883
2884 if (args->event != NB_EV_APPLY)
2885 return NB_OK;
2886
2887 circuit = nb_running_get_entry(args->dnode, NULL, true);
2888 circuit->priority[1] = yang_dnode_get_uint8(args->dnode, NULL);
2889
2890 return NB_OK;
2891 }
2892
2893 /*
2894 * XPath: /frr-interface:lib/interface/frr-isisd:isis/network-type
2895 */
2896 int lib_interface_isis_network_type_modify(struct nb_cb_modify_args *args)
2897 {
2898 struct isis_circuit *circuit;
2899 int net_type = yang_dnode_get_enum(args->dnode, NULL);
2900
2901 switch (args->event) {
2902 case NB_EV_VALIDATE:
2903 circuit = nb_running_get_entry(args->dnode, NULL, false);
2904 if (!circuit)
2905 break;
2906 if (circuit->circ_type == CIRCUIT_T_LOOPBACK) {
2907 snprintf(
2908 args->errmsg, args->errmsg_len,
2909 "Cannot change network type on loopback interface");
2910 return NB_ERR_VALIDATION;
2911 }
2912 if (net_type == CIRCUIT_T_BROADCAST
2913 && circuit->state == C_STATE_UP
2914 && !if_is_broadcast(circuit->interface)) {
2915 snprintf(
2916 args->errmsg, args->errmsg_len,
2917 "Cannot configure non-broadcast interface for broadcast operation");
2918 return NB_ERR_VALIDATION;
2919 }
2920 break;
2921 case NB_EV_PREPARE:
2922 case NB_EV_ABORT:
2923 break;
2924 case NB_EV_APPLY:
2925 circuit = nb_running_get_entry(args->dnode, NULL, true);
2926 isis_circuit_circ_type_set(circuit, net_type);
2927 break;
2928 }
2929
2930 return NB_OK;
2931 }
2932
2933 /*
2934 * XPath: /frr-interface:lib/interface/frr-isisd:isis/passive
2935 */
2936 int lib_interface_isis_passive_modify(struct nb_cb_modify_args *args)
2937 {
2938 struct isis_circuit *circuit;
2939 bool passive = yang_dnode_get_bool(args->dnode, NULL);
2940
2941 if (args->event != NB_EV_APPLY)
2942 return NB_OK;
2943
2944 circuit = nb_running_get_entry(args->dnode, NULL, true);
2945 isis_circuit_passive_set(circuit, passive);
2946
2947 return NB_OK;
2948 }
2949
2950 /*
2951 * XPath: /frr-interface:lib/interface/frr-isisd:isis/password
2952 */
2953 int lib_interface_isis_password_create(struct nb_cb_create_args *args)
2954 {
2955 return NB_OK;
2956 }
2957
2958 int lib_interface_isis_password_destroy(struct nb_cb_destroy_args *args)
2959 {
2960 struct isis_circuit *circuit;
2961
2962 if (args->event != NB_EV_APPLY)
2963 return NB_OK;
2964
2965 circuit = nb_running_get_entry(args->dnode, NULL, true);
2966 isis_circuit_passwd_unset(circuit);
2967
2968 return NB_OK;
2969 }
2970
2971 /*
2972 * XPath: /frr-interface:lib/interface/frr-isisd:isis/password/password
2973 */
2974 int lib_interface_isis_password_password_modify(struct nb_cb_modify_args *args)
2975 {
2976 struct isis_circuit *circuit;
2977 const char *password;
2978
2979 if (args->event != NB_EV_APPLY)
2980 return NB_OK;
2981
2982 password = yang_dnode_get_string(args->dnode, NULL);
2983 circuit = nb_running_get_entry(args->dnode, NULL, true);
2984
2985 isis_circuit_passwd_set(circuit, circuit->passwd.type, password);
2986
2987 return NB_OK;
2988 }
2989
2990 /*
2991 * XPath: /frr-interface:lib/interface/frr-isisd:isis/password/password-type
2992 */
2993 int lib_interface_isis_password_password_type_modify(
2994 struct nb_cb_modify_args *args)
2995 {
2996 struct isis_circuit *circuit;
2997 uint8_t pass_type;
2998
2999 if (args->event != NB_EV_APPLY)
3000 return NB_OK;
3001
3002 pass_type = yang_dnode_get_enum(args->dnode, NULL);
3003 circuit = nb_running_get_entry(args->dnode, NULL, true);
3004 circuit->passwd.type = pass_type;
3005
3006 return NB_OK;
3007 }
3008
3009 /*
3010 * XPath:
3011 * /frr-interface:lib/interface/frr-isisd:isis/disable-three-way-handshake
3012 */
3013 int lib_interface_isis_disable_three_way_handshake_modify(
3014 struct nb_cb_modify_args *args)
3015 {
3016 struct isis_circuit *circuit;
3017
3018 if (args->event != NB_EV_APPLY)
3019 return NB_OK;
3020
3021 circuit = nb_running_get_entry(args->dnode, NULL, true);
3022 circuit->disable_threeway_adj = yang_dnode_get_bool(args->dnode, NULL);
3023
3024 return NB_OK;
3025 }
3026
3027 /*
3028 * XPath:
3029 * /frr-interface:lib/interface/frr-isisd:isis/multi-topology/ipv4-unicast
3030 */
3031 static int lib_interface_isis_multi_topology_common(
3032 enum nb_event event, const struct lyd_node *dnode, char *errmsg,
3033 size_t errmsg_len, uint16_t mtid)
3034 {
3035 struct isis_circuit *circuit;
3036 bool value;
3037
3038 switch (event) {
3039 case NB_EV_VALIDATE:
3040 circuit = nb_running_get_entry(dnode, NULL, false);
3041 if (circuit && circuit->area && circuit->area->oldmetric) {
3042 snprintf(
3043 errmsg, errmsg_len,
3044 "Multi topology IS-IS can only be used with wide metrics");
3045 return NB_ERR_VALIDATION;
3046 }
3047 break;
3048 case NB_EV_PREPARE:
3049 case NB_EV_ABORT:
3050 break;
3051 case NB_EV_APPLY:
3052 circuit = nb_running_get_entry(dnode, NULL, true);
3053 value = yang_dnode_get_bool(dnode, NULL);
3054 isis_circuit_mt_enabled_set(circuit, mtid, value);
3055 break;
3056 }
3057
3058 return NB_OK;
3059 }
3060
3061 int lib_interface_isis_multi_topology_ipv4_unicast_modify(
3062 struct nb_cb_modify_args *args)
3063 {
3064 return lib_interface_isis_multi_topology_common(
3065 args->event, args->dnode, args->errmsg, args->errmsg_len,
3066 ISIS_MT_IPV4_UNICAST);
3067 }
3068
3069 /*
3070 * XPath:
3071 * /frr-interface:lib/interface/frr-isisd:isis/multi-topology/ipv4-multicast
3072 */
3073 int lib_interface_isis_multi_topology_ipv4_multicast_modify(
3074 struct nb_cb_modify_args *args)
3075 {
3076 return lib_interface_isis_multi_topology_common(
3077 args->event, args->dnode, args->errmsg, args->errmsg_len,
3078 ISIS_MT_IPV4_MULTICAST);
3079 }
3080
3081 /*
3082 * XPath:
3083 * /frr-interface:lib/interface/frr-isisd:isis/multi-topology/ipv4-management
3084 */
3085 int lib_interface_isis_multi_topology_ipv4_management_modify(
3086 struct nb_cb_modify_args *args)
3087 {
3088 return lib_interface_isis_multi_topology_common(
3089 args->event, args->dnode, args->errmsg, args->errmsg_len,
3090 ISIS_MT_IPV4_MGMT);
3091 }
3092
3093 /*
3094 * XPath:
3095 * /frr-interface:lib/interface/frr-isisd:isis/multi-topology/ipv6-unicast
3096 */
3097 int lib_interface_isis_multi_topology_ipv6_unicast_modify(
3098 struct nb_cb_modify_args *args)
3099 {
3100 return lib_interface_isis_multi_topology_common(
3101 args->event, args->dnode, args->errmsg, args->errmsg_len,
3102 ISIS_MT_IPV6_UNICAST);
3103 }
3104
3105 /*
3106 * XPath:
3107 * /frr-interface:lib/interface/frr-isisd:isis/multi-topology/ipv6-multicast
3108 */
3109 int lib_interface_isis_multi_topology_ipv6_multicast_modify(
3110 struct nb_cb_modify_args *args)
3111 {
3112 return lib_interface_isis_multi_topology_common(
3113 args->event, args->dnode, args->errmsg, args->errmsg_len,
3114 ISIS_MT_IPV6_MULTICAST);
3115 }
3116
3117 /*
3118 * XPath:
3119 * /frr-interface:lib/interface/frr-isisd:isis/multi-topology/ipv6-management
3120 */
3121 int lib_interface_isis_multi_topology_ipv6_management_modify(
3122 struct nb_cb_modify_args *args)
3123 {
3124 return lib_interface_isis_multi_topology_common(
3125 args->event, args->dnode, args->errmsg, args->errmsg_len,
3126 ISIS_MT_IPV6_MGMT);
3127 }
3128
3129 /*
3130 * XPath: /frr-interface:lib/interface/frr-isisd:isis/multi-topology/ipv6-dstsrc
3131 */
3132 int lib_interface_isis_multi_topology_ipv6_dstsrc_modify(
3133 struct nb_cb_modify_args *args)
3134 {
3135 return lib_interface_isis_multi_topology_common(
3136 args->event, args->dnode, args->errmsg, args->errmsg_len,
3137 ISIS_MT_IPV6_DSTSRC);
3138 }
3139
3140 /*
3141 * XPath: /frr-interface:lib/interface/frr-isisd:isis/mpls/ldp-sync
3142 */
3143 int lib_interface_isis_mpls_ldp_sync_modify(struct nb_cb_modify_args *args)
3144 {
3145 struct isis_circuit *circuit;
3146 struct ldp_sync_info *ldp_sync_info;
3147 bool ldp_sync_enable;
3148
3149 switch (args->event) {
3150 case NB_EV_VALIDATE:
3151 case NB_EV_PREPARE:
3152 case NB_EV_ABORT:
3153 break;
3154 case NB_EV_APPLY:
3155 circuit = nb_running_get_entry(args->dnode, NULL, true);
3156 ldp_sync_enable = yang_dnode_get_bool(args->dnode, NULL);
3157
3158 ldp_sync_info = circuit->ldp_sync_info;
3159
3160 SET_FLAG(ldp_sync_info->flags, LDP_SYNC_FLAG_IF_CONFIG);
3161 ldp_sync_info->enabled = ldp_sync_enable;
3162
3163 if (circuit->area) {
3164 if (ldp_sync_enable)
3165 isis_if_ldp_sync_enable(circuit);
3166 else
3167 isis_if_ldp_sync_disable(circuit);
3168 }
3169 break;
3170 }
3171 return NB_OK;
3172 }
3173
3174 /*
3175 * XPath: /frr-interface:lib/interface/frr-isisd:isis/mpls/holddown
3176 */
3177 int lib_interface_isis_mpls_holddown_modify(struct nb_cb_modify_args *args)
3178 {
3179 struct isis_circuit *circuit;
3180 struct ldp_sync_info *ldp_sync_info;
3181 uint16_t holddown;
3182
3183 switch (args->event) {
3184 case NB_EV_VALIDATE:
3185 case NB_EV_PREPARE:
3186 case NB_EV_ABORT:
3187 break;
3188 case NB_EV_APPLY:
3189 circuit = nb_running_get_entry(args->dnode, NULL, true);
3190 holddown = yang_dnode_get_uint16(args->dnode, NULL);
3191
3192 ldp_sync_info = circuit->ldp_sync_info;
3193
3194 SET_FLAG(ldp_sync_info->flags, LDP_SYNC_FLAG_HOLDDOWN);
3195 ldp_sync_info->holddown = holddown;
3196 break;
3197 }
3198 return NB_OK;
3199 }
3200
3201 int lib_interface_isis_mpls_holddown_destroy(struct nb_cb_destroy_args *args)
3202 {
3203 struct isis_circuit *circuit;
3204 struct ldp_sync_info *ldp_sync_info;
3205
3206 switch (args->event) {
3207 case NB_EV_VALIDATE:
3208 case NB_EV_PREPARE:
3209 case NB_EV_ABORT:
3210 break;
3211 case NB_EV_APPLY:
3212 circuit = nb_running_get_entry(args->dnode, NULL, true);
3213 ldp_sync_info = circuit->ldp_sync_info;
3214
3215 UNSET_FLAG(ldp_sync_info->flags, LDP_SYNC_FLAG_HOLDDOWN);
3216
3217 if (circuit->area)
3218 isis_if_set_ldp_sync_holddown(circuit);
3219 break;
3220 }
3221
3222 return NB_OK;
3223 }
3224
3225 /*
3226 * XPath:
3227 * /frr-interface:lib/interface/frr-isisd:isis/fast-reroute/level-1/lfa/enable
3228 */
3229 int lib_interface_isis_fast_reroute_level_1_lfa_enable_modify(
3230 struct nb_cb_modify_args *args)
3231 {
3232 struct isis_area *area;
3233 struct isis_circuit *circuit;
3234
3235 if (args->event != NB_EV_APPLY)
3236 return NB_OK;
3237
3238 circuit = nb_running_get_entry(args->dnode, NULL, true);
3239 circuit->lfa_protection[0] = yang_dnode_get_bool(args->dnode, NULL);
3240
3241 area = circuit->area;
3242 if (area) {
3243 if (circuit->lfa_protection[0])
3244 area->lfa_protected_links[0]++;
3245 else {
3246 assert(area->lfa_protected_links[0] > 0);
3247 area->lfa_protected_links[0]--;
3248 }
3249
3250 lsp_regenerate_schedule(area, area->is_type, 0);
3251 }
3252
3253 return NB_OK;
3254 }
3255
3256 /*
3257 * XPath:
3258 * /frr-interface:lib/interface/frr-isisd:isis/fast-reroute/level-1/lfa/exclude-interface
3259 */
3260 int lib_interface_isis_fast_reroute_level_1_lfa_exclude_interface_create(
3261 struct nb_cb_create_args *args)
3262 {
3263 struct isis_area *area;
3264 struct isis_circuit *circuit;
3265 const char *exclude_ifname;
3266
3267 if (args->event != NB_EV_APPLY)
3268 return NB_OK;
3269
3270 circuit = nb_running_get_entry(args->dnode, NULL, true);
3271 exclude_ifname = yang_dnode_get_string(args->dnode, NULL);
3272
3273 isis_lfa_excluded_iface_add(circuit, ISIS_LEVEL1, exclude_ifname);
3274 area = circuit->area;
3275 if (area)
3276 lsp_regenerate_schedule(area, area->is_type, 0);
3277
3278 return NB_OK;
3279 }
3280
3281 int lib_interface_isis_fast_reroute_level_1_lfa_exclude_interface_destroy(
3282 struct nb_cb_destroy_args *args)
3283 {
3284 struct isis_area *area;
3285 struct isis_circuit *circuit;
3286 const char *exclude_ifname;
3287
3288 if (args->event != NB_EV_APPLY)
3289 return NB_OK;
3290
3291 circuit = nb_running_get_entry(args->dnode, NULL, true);
3292 exclude_ifname = yang_dnode_get_string(args->dnode, NULL);
3293
3294 isis_lfa_excluded_iface_delete(circuit, ISIS_LEVEL1, exclude_ifname);
3295 area = circuit->area;
3296 if (area)
3297 lsp_regenerate_schedule(area, area->is_type, 0);
3298
3299 return NB_OK;
3300 }
3301
3302 /*
3303 * XPath:
3304 * /frr-interface:lib/interface/frr-isisd:isis/fast-reroute/level-1/remote-lfa/enable
3305 */
3306 int lib_interface_isis_fast_reroute_level_1_remote_lfa_enable_modify(
3307 struct nb_cb_modify_args *args)
3308 {
3309 struct isis_area *area;
3310 struct isis_circuit *circuit;
3311
3312 if (args->event != NB_EV_APPLY)
3313 return NB_OK;
3314
3315 circuit = nb_running_get_entry(args->dnode, NULL, true);
3316 circuit->rlfa_protection[0] = yang_dnode_get_bool(args->dnode, NULL);
3317
3318 area = circuit->area;
3319 if (area) {
3320 if (circuit->rlfa_protection[0])
3321 area->rlfa_protected_links[0]++;
3322 else {
3323 assert(area->rlfa_protected_links[0] > 0);
3324 area->rlfa_protected_links[0]--;
3325 }
3326
3327 lsp_regenerate_schedule(area, area->is_type, 0);
3328 }
3329
3330 return NB_OK;
3331 }
3332
3333 /*
3334 * XPath:
3335 * /frr-interface:lib/interface/frr-isisd:isis/fast-reroute/level-1/remote-lfa/maximum-metric
3336 */
3337 int lib_interface_isis_fast_reroute_level_1_remote_lfa_maximum_metric_modify(
3338 struct nb_cb_modify_args *args)
3339 {
3340 struct isis_area *area;
3341 struct isis_circuit *circuit;
3342
3343 if (args->event != NB_EV_APPLY)
3344 return NB_OK;
3345
3346 circuit = nb_running_get_entry(args->dnode, NULL, true);
3347 circuit->rlfa_max_metric[0] = yang_dnode_get_uint32(args->dnode, NULL);
3348
3349 area = circuit->area;
3350 if (area)
3351 lsp_regenerate_schedule(area, area->is_type, 0);
3352
3353 return NB_OK;
3354 }
3355
3356 int lib_interface_isis_fast_reroute_level_1_remote_lfa_maximum_metric_destroy(
3357 struct nb_cb_destroy_args *args)
3358 {
3359 struct isis_area *area;
3360 struct isis_circuit *circuit;
3361
3362 if (args->event != NB_EV_APPLY)
3363 return NB_OK;
3364
3365 circuit = nb_running_get_entry(args->dnode, NULL, true);
3366 circuit->rlfa_max_metric[0] = 0;
3367
3368 area = circuit->area;
3369 if (area)
3370 lsp_regenerate_schedule(area, area->is_type, 0);
3371
3372 return NB_OK;
3373 }
3374
3375 /*
3376 * XPath:
3377 * /frr-interface:lib/interface/frr-isisd:isis/fast-reroute/level-1/ti-lfa/enable
3378 */
3379 int lib_interface_isis_fast_reroute_level_1_ti_lfa_enable_modify(
3380 struct nb_cb_modify_args *args)
3381 {
3382 struct isis_area *area;
3383 struct isis_circuit *circuit;
3384
3385 if (args->event != NB_EV_APPLY)
3386 return NB_OK;
3387
3388 circuit = nb_running_get_entry(args->dnode, NULL, true);
3389 circuit->tilfa_protection[0] = yang_dnode_get_bool(args->dnode, NULL);
3390
3391 area = circuit->area;
3392 if (area) {
3393 if (circuit->tilfa_protection[0])
3394 area->tilfa_protected_links[0]++;
3395 else {
3396 assert(area->tilfa_protected_links[0] > 0);
3397 area->tilfa_protected_links[0]--;
3398 }
3399
3400 lsp_regenerate_schedule(area, area->is_type, 0);
3401 }
3402
3403 return NB_OK;
3404 }
3405
3406 /*
3407 * XPath:
3408 * /frr-interface:lib/interface/frr-isisd:isis/fast-reroute/level-1/ti-lfa/node-protection
3409 */
3410 int lib_interface_isis_fast_reroute_level_1_ti_lfa_node_protection_modify(
3411 struct nb_cb_modify_args *args)
3412 {
3413 struct isis_area *area;
3414 struct isis_circuit *circuit;
3415
3416 if (args->event != NB_EV_APPLY)
3417 return NB_OK;
3418
3419 circuit = nb_running_get_entry(args->dnode, NULL, true);
3420 circuit->tilfa_node_protection[0] =
3421 yang_dnode_get_bool(args->dnode, NULL);
3422
3423 area = circuit->area;
3424 if (area)
3425 lsp_regenerate_schedule(area, area->is_type, 0);
3426
3427 return NB_OK;
3428 }
3429
3430 /*
3431 * XPath:
3432 * /frr-interface:lib/interface/frr-isisd:isis/fast-reroute/level-1/ti-lfa/link-fallback
3433 */
3434 int lib_interface_isis_fast_reroute_level_1_ti_lfa_link_fallback_modify(
3435 struct nb_cb_modify_args *args)
3436 {
3437 struct isis_area *area;
3438 struct isis_circuit *circuit;
3439
3440 if (args->event != NB_EV_APPLY)
3441 return NB_OK;
3442
3443 circuit = nb_running_get_entry(args->dnode, NULL, true);
3444 circuit->tilfa_link_fallback[0] =
3445 yang_dnode_get_bool(args->dnode, NULL);
3446
3447 area = circuit->area;
3448 if (area)
3449 lsp_regenerate_schedule(area, area->is_type, 0);
3450
3451 return NB_OK;
3452 }
3453
3454 /*
3455 * XPath:
3456 * /frr-interface:lib/interface/frr-isisd:isis/fast-reroute/level-2/lfa/enable
3457 */
3458 int lib_interface_isis_fast_reroute_level_2_lfa_enable_modify(
3459 struct nb_cb_modify_args *args)
3460 {
3461 struct isis_area *area;
3462 struct isis_circuit *circuit;
3463
3464 if (args->event != NB_EV_APPLY)
3465 return NB_OK;
3466
3467 circuit = nb_running_get_entry(args->dnode, NULL, true);
3468 circuit->lfa_protection[1] = yang_dnode_get_bool(args->dnode, NULL);
3469
3470 area = circuit->area;
3471 if (area) {
3472 if (circuit->lfa_protection[1])
3473 area->lfa_protected_links[1]++;
3474 else {
3475 assert(area->lfa_protected_links[1] > 0);
3476 area->lfa_protected_links[1]--;
3477 }
3478
3479 lsp_regenerate_schedule(area, area->is_type, 0);
3480 }
3481
3482 return NB_OK;
3483 }
3484
3485 /*
3486 * XPath:
3487 * /frr-interface:lib/interface/frr-isisd:isis/fast-reroute/level-2/lfa/exclude-interface
3488 */
3489 int lib_interface_isis_fast_reroute_level_2_lfa_exclude_interface_create(
3490 struct nb_cb_create_args *args)
3491 {
3492 struct isis_area *area;
3493 struct isis_circuit *circuit;
3494 const char *exclude_ifname;
3495
3496 if (args->event != NB_EV_APPLY)
3497 return NB_OK;
3498
3499 circuit = nb_running_get_entry(args->dnode, NULL, true);
3500 exclude_ifname = yang_dnode_get_string(args->dnode, NULL);
3501
3502 isis_lfa_excluded_iface_add(circuit, ISIS_LEVEL2, exclude_ifname);
3503 area = circuit->area;
3504 if (area)
3505 lsp_regenerate_schedule(area, area->is_type, 0);
3506
3507 return NB_OK;
3508 }
3509
3510 int lib_interface_isis_fast_reroute_level_2_lfa_exclude_interface_destroy(
3511 struct nb_cb_destroy_args *args)
3512 {
3513 struct isis_area *area;
3514 struct isis_circuit *circuit;
3515 const char *exclude_ifname;
3516
3517 if (args->event != NB_EV_APPLY)
3518 return NB_OK;
3519
3520 circuit = nb_running_get_entry(args->dnode, NULL, true);
3521 exclude_ifname = yang_dnode_get_string(args->dnode, NULL);
3522
3523 isis_lfa_excluded_iface_delete(circuit, ISIS_LEVEL2, exclude_ifname);
3524 area = circuit->area;
3525 if (area)
3526 lsp_regenerate_schedule(area, area->is_type, 0);
3527
3528 return NB_OK;
3529 }
3530
3531 /*
3532 * XPath:
3533 * /frr-interface:lib/interface/frr-isisd:isis/fast-reroute/level-2/remote-lfa/enable
3534 */
3535 int lib_interface_isis_fast_reroute_level_2_remote_lfa_enable_modify(
3536 struct nb_cb_modify_args *args)
3537 {
3538 struct isis_area *area;
3539 struct isis_circuit *circuit;
3540
3541 if (args->event != NB_EV_APPLY)
3542 return NB_OK;
3543
3544 circuit = nb_running_get_entry(args->dnode, NULL, true);
3545 circuit->rlfa_protection[1] = yang_dnode_get_bool(args->dnode, NULL);
3546
3547 area = circuit->area;
3548 if (area) {
3549 if (circuit->rlfa_protection[1])
3550 area->rlfa_protected_links[1]++;
3551 else {
3552 assert(area->rlfa_protected_links[1] > 0);
3553 area->rlfa_protected_links[1]--;
3554 }
3555
3556 lsp_regenerate_schedule(area, area->is_type, 0);
3557 }
3558
3559 return NB_OK;
3560 }
3561
3562 /*
3563 * XPath:
3564 * /frr-interface:lib/interface/frr-isisd:isis/fast-reroute/level-2/remote-lfa/maximum-metric
3565 */
3566 int lib_interface_isis_fast_reroute_level_2_remote_lfa_maximum_metric_modify(
3567 struct nb_cb_modify_args *args)
3568 {
3569 struct isis_area *area;
3570 struct isis_circuit *circuit;
3571
3572 if (args->event != NB_EV_APPLY)
3573 return NB_OK;
3574
3575 circuit = nb_running_get_entry(args->dnode, NULL, true);
3576 circuit->rlfa_max_metric[1] = yang_dnode_get_uint32(args->dnode, NULL);
3577
3578 area = circuit->area;
3579 if (area)
3580 lsp_regenerate_schedule(area, area->is_type, 0);
3581
3582 return NB_OK;
3583 }
3584
3585 int lib_interface_isis_fast_reroute_level_2_remote_lfa_maximum_metric_destroy(
3586 struct nb_cb_destroy_args *args)
3587 {
3588 struct isis_area *area;
3589 struct isis_circuit *circuit;
3590
3591 if (args->event != NB_EV_APPLY)
3592 return NB_OK;
3593
3594 circuit = nb_running_get_entry(args->dnode, NULL, true);
3595 circuit->rlfa_max_metric[1] = 0;
3596
3597 area = circuit->area;
3598 if (area)
3599 lsp_regenerate_schedule(area, area->is_type, 0);
3600
3601 return NB_OK;
3602 }
3603
3604 /*
3605 * XPath:
3606 * /frr-interface:lib/interface/frr-isisd:isis/fast-reroute/level-2/ti-lfa/enable
3607 */
3608 int lib_interface_isis_fast_reroute_level_2_ti_lfa_enable_modify(
3609 struct nb_cb_modify_args *args)
3610 {
3611 struct isis_area *area;
3612 struct isis_circuit *circuit;
3613
3614 if (args->event != NB_EV_APPLY)
3615 return NB_OK;
3616
3617 circuit = nb_running_get_entry(args->dnode, NULL, true);
3618 circuit->tilfa_protection[1] = yang_dnode_get_bool(args->dnode, NULL);
3619
3620 area = circuit->area;
3621 if (area) {
3622 if (circuit->tilfa_protection[1])
3623 area->tilfa_protected_links[1]++;
3624 else {
3625 assert(area->tilfa_protected_links[1] > 0);
3626 area->tilfa_protected_links[1]--;
3627 }
3628
3629 lsp_regenerate_schedule(area, area->is_type, 0);
3630 }
3631
3632 return NB_OK;
3633 }
3634
3635 /*
3636 * XPath:
3637 * /frr-interface:lib/interface/frr-isisd:isis/fast-reroute/level-2/ti-lfa/node-protection
3638 */
3639 int lib_interface_isis_fast_reroute_level_2_ti_lfa_node_protection_modify(
3640 struct nb_cb_modify_args *args)
3641 {
3642 struct isis_area *area;
3643 struct isis_circuit *circuit;
3644
3645 if (args->event != NB_EV_APPLY)
3646 return NB_OK;
3647
3648 circuit = nb_running_get_entry(args->dnode, NULL, true);
3649 circuit->tilfa_node_protection[1] =
3650 yang_dnode_get_bool(args->dnode, NULL);
3651
3652 area = circuit->area;
3653 if (area)
3654 lsp_regenerate_schedule(area, area->is_type, 0);
3655
3656 return NB_OK;
3657 }
3658
3659 /*
3660 * XPath:
3661 * /frr-interface:lib/interface/frr-isisd:isis/fast-reroute/level-2/ti-lfa/link-fallback
3662 */
3663 int lib_interface_isis_fast_reroute_level_2_ti_lfa_link_fallback_modify(
3664 struct nb_cb_modify_args *args)
3665 {
3666 struct isis_area *area;
3667 struct isis_circuit *circuit;
3668
3669 if (args->event != NB_EV_APPLY)
3670 return NB_OK;
3671
3672 circuit = nb_running_get_entry(args->dnode, NULL, true);
3673 circuit->tilfa_link_fallback[1] =
3674 yang_dnode_get_bool(args->dnode, NULL);
3675
3676 area = circuit->area;
3677 if (area)
3678 lsp_regenerate_schedule(area, area->is_type, 0);
3679
3680 return NB_OK;
3681 }
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