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zebra, lib: fix the ZEBRA_INTERFACE_VRF_UPDATE zapi message
[mirror_frr.git] / ospfd / ospf_te.c
1 /*
2 * This is an implementation of RFC3630
3 * Copyright (C) 2001 KDD R&D Laboratories, Inc.
4 * http://www.kddlabs.co.jp/
5 *
6 * Copyright (C) 2012 Orange Labs
7 * http://www.orange.com
8 *
9 * This file is part of GNU Zebra.
10 *
11 * GNU Zebra is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2, or (at your option) any
14 * later version.
15 *
16 * GNU Zebra is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License along
22 * with this program; see the file COPYING; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
24 */
25
26 /* Add support of RFC7471 */
27 /* Add support of RFC5392, RFC6827 */
28
29 #include <zebra.h>
30 #include <math.h>
31
32 #include "linklist.h"
33 #include "prefix.h"
34 #include "vrf.h"
35 #include "if.h"
36 #include "table.h"
37 #include "memory.h"
38 #include "command.h"
39 #include "vty.h"
40 #include "stream.h"
41 #include "log.h"
42 #include "thread.h"
43 #include "hash.h"
44 #include "sockunion.h" /* for inet_aton() */
45 #include "network.h"
46
47 #include "ospfd/ospfd.h"
48 #include "ospfd/ospf_interface.h"
49 #include "ospfd/ospf_ism.h"
50 #include "ospfd/ospf_asbr.h"
51 #include "ospfd/ospf_lsa.h"
52 #include "ospfd/ospf_lsdb.h"
53 #include "ospfd/ospf_neighbor.h"
54 #include "ospfd/ospf_nsm.h"
55 #include "ospfd/ospf_flood.h"
56 #include "ospfd/ospf_packet.h"
57 #include "ospfd/ospf_spf.h"
58 #include "ospfd/ospf_dump.h"
59 #include "ospfd/ospf_route.h"
60 #include "ospfd/ospf_ase.h"
61 #include "ospfd/ospf_zebra.h"
62 #include "ospfd/ospf_te.h"
63 #include "ospfd/ospf_vty.h"
64 #include "ospfd/ospf_errors.h"
65
66 /*
67 * Global variable to manage Opaque-LSA/MPLS-TE on this node.
68 * Note that all parameter values are stored in network byte order.
69 */
70 struct ospf_mpls_te OspfMplsTE;
71
72 const char *mode2text[] = {"Off", "AS", "Area"};
73
74 /*------------------------------------------------------------------------*
75 * Followings are initialize/terminate functions for MPLS-TE handling.
76 *------------------------------------------------------------------------*/
77
78 static int ospf_mpls_te_new_if(struct interface *ifp);
79 static int ospf_mpls_te_del_if(struct interface *ifp);
80 static void ospf_mpls_te_ism_change(struct ospf_interface *oi, int old_status);
81 static void ospf_mpls_te_nsm_change(struct ospf_neighbor *nbr, int old_status);
82 static void ospf_mpls_te_config_write_router(struct vty *vty);
83 static void ospf_mpls_te_show_info(struct vty *vty, struct ospf_lsa *lsa);
84 static int ospf_mpls_te_lsa_originate_area(void *arg);
85 static int ospf_mpls_te_lsa_originate_as(void *arg);
86 static struct ospf_lsa *ospf_mpls_te_lsa_refresh(struct ospf_lsa *lsa);
87
88 static void del_mpls_te_link(void *val);
89 static void ospf_mpls_te_register_vty(void);
90
91 int ospf_mpls_te_init(void)
92 {
93 int rc;
94
95 rc = ospf_register_opaque_functab(
96 OSPF_OPAQUE_AREA_LSA, OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA,
97 ospf_mpls_te_new_if, ospf_mpls_te_del_if,
98 ospf_mpls_te_ism_change, ospf_mpls_te_nsm_change,
99 ospf_mpls_te_config_write_router,
100 NULL, /*ospf_mpls_te_config_write_if */
101 NULL, /* ospf_mpls_te_config_write_debug */
102 ospf_mpls_te_show_info, ospf_mpls_te_lsa_originate_area,
103 ospf_mpls_te_lsa_refresh, NULL, /* ospf_mpls_te_new_lsa_hook */
104 NULL /* ospf_mpls_te_del_lsa_hook */);
105 if (rc != 0) {
106 flog_warn(
107 EC_OSPF_OPAQUE_REGISTRATION,
108 "ospf_mpls_te_init: Failed to register Traffic Engineering functions");
109 return rc;
110 }
111
112 memset(&OspfMplsTE, 0, sizeof(struct ospf_mpls_te));
113 OspfMplsTE.enabled = false;
114 OspfMplsTE.inter_as = Off;
115 OspfMplsTE.iflist = list_new();
116 OspfMplsTE.iflist->del = del_mpls_te_link;
117
118 ospf_mpls_te_register_vty();
119
120 return rc;
121 }
122
123 /* Additional register for RFC5392 support */
124 static int ospf_mpls_te_register(enum inter_as_mode mode)
125 {
126 int rc = 0;
127 uint8_t scope;
128
129 if (OspfMplsTE.inter_as != Off)
130 return rc;
131
132 if (mode == AS)
133 scope = OSPF_OPAQUE_AS_LSA;
134 else
135 scope = OSPF_OPAQUE_AREA_LSA;
136
137 rc = ospf_register_opaque_functab(scope, OPAQUE_TYPE_INTER_AS_LSA, NULL,
138 NULL, NULL, NULL, NULL, NULL, NULL,
139 ospf_mpls_te_show_info,
140 ospf_mpls_te_lsa_originate_as,
141 ospf_mpls_te_lsa_refresh, NULL, NULL);
142
143 if (rc != 0) {
144 flog_warn(
145 EC_OSPF_OPAQUE_REGISTRATION,
146 "ospf_router_info_init: Failed to register Inter-AS functions");
147 return rc;
148 }
149
150 return rc;
151 }
152
153 static int ospf_mpls_te_unregister()
154 {
155 uint8_t scope;
156
157 if (OspfMplsTE.inter_as == Off)
158 return 0;
159
160 if (OspfMplsTE.inter_as == AS)
161 scope = OSPF_OPAQUE_AS_LSA;
162 else
163 scope = OSPF_OPAQUE_AREA_LSA;
164
165 ospf_delete_opaque_functab(scope, OPAQUE_TYPE_INTER_AS_LSA);
166
167 return 0;
168 }
169
170 void ospf_mpls_te_term(void)
171 {
172 list_delete(&OspfMplsTE.iflist);
173
174 ospf_delete_opaque_functab(OSPF_OPAQUE_AREA_LSA,
175 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA);
176
177 OspfMplsTE.enabled = false;
178
179 ospf_mpls_te_unregister();
180 OspfMplsTE.inter_as = Off;
181
182 return;
183 }
184
185 void ospf_mpls_te_finish(void)
186 {
187 // list_delete_all_node(OspfMplsTE.iflist);
188
189 OspfMplsTE.enabled = false;
190 OspfMplsTE.inter_as = Off;
191 }
192
193 /*------------------------------------------------------------------------*
194 * Followings are control functions for MPLS-TE parameters management.
195 *------------------------------------------------------------------------*/
196
197 static void del_mpls_te_link(void *val)
198 {
199 XFREE(MTYPE_OSPF_MPLS_TE, val);
200 return;
201 }
202
203 static uint32_t get_mpls_te_instance_value(void)
204 {
205 static uint32_t seqno = 0;
206
207 if (seqno < MAX_LEGAL_TE_INSTANCE_NUM)
208 seqno += 1;
209 else
210 seqno = 1; /* Avoid zero. */
211
212 return seqno;
213 }
214
215 static struct mpls_te_link *lookup_linkparams_by_ifp(struct interface *ifp)
216 {
217 struct listnode *node, *nnode;
218 struct mpls_te_link *lp;
219
220 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
221 if (lp->ifp == ifp)
222 return lp;
223
224 return NULL;
225 }
226
227 static struct mpls_te_link *lookup_linkparams_by_instance(struct ospf_lsa *lsa)
228 {
229 struct listnode *node;
230 struct mpls_te_link *lp;
231 unsigned int key = GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr));
232
233 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp))
234 if (lp->instance == key)
235 return lp;
236
237 zlog_info("lookup_linkparams_by_instance: Entry not found: key(%x)",
238 key);
239 return NULL;
240 }
241
242 static void ospf_mpls_te_foreach_area(
243 void (*func)(struct mpls_te_link *lp, enum lsa_opcode sched_opcode),
244 enum lsa_opcode sched_opcode)
245 {
246 struct listnode *node, *nnode;
247 struct listnode *node2;
248 struct mpls_te_link *lp;
249 struct ospf_area *area;
250
251 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
252 /* Skip Inter-AS TEv2 Links */
253 if (IS_INTER_AS(lp->type))
254 continue;
255 if ((area = lp->area) == NULL)
256 continue;
257 if (CHECK_FLAG(lp->flags, LPFLG_LOOKUP_DONE))
258 continue;
259
260 if (func != NULL)
261 (*func)(lp, sched_opcode);
262
263 for (node2 = listnextnode(node); node2;
264 node2 = listnextnode(node2))
265 if ((lp = listgetdata(node2)) != NULL)
266 if (lp->area != NULL)
267 if (IPV4_ADDR_SAME(&lp->area->area_id,
268 &area->area_id))
269 SET_FLAG(lp->flags,
270 LPFLG_LOOKUP_DONE);
271 }
272
273 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp))
274 if (lp->area != NULL)
275 UNSET_FLAG(lp->flags, LPFLG_LOOKUP_DONE);
276
277 return;
278 }
279
280 static void set_mpls_te_router_addr(struct in_addr ipv4)
281 {
282 OspfMplsTE.router_addr.header.type = htons(TE_TLV_ROUTER_ADDR);
283 OspfMplsTE.router_addr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
284 OspfMplsTE.router_addr.value = ipv4;
285 return;
286 }
287
288 static void set_linkparams_link_header(struct mpls_te_link *lp)
289 {
290 uint16_t length = 0;
291
292 /* TE_LINK_SUBTLV_LINK_TYPE */
293 if (ntohs(lp->link_type.header.type) != 0)
294 length += TLV_SIZE(&lp->link_type.header);
295
296 /* TE_LINK_SUBTLV_LINK_ID */
297 if (ntohs(lp->link_id.header.type) != 0)
298 length += TLV_SIZE(&lp->link_id.header);
299
300 /* TE_LINK_SUBTLV_LCLIF_IPADDR */
301 if (lp->lclif_ipaddr.header.type != 0)
302 length += TLV_SIZE(&lp->lclif_ipaddr.header);
303
304 /* TE_LINK_SUBTLV_RMTIF_IPADDR */
305 if (lp->rmtif_ipaddr.header.type != 0)
306 length += TLV_SIZE(&lp->rmtif_ipaddr.header);
307
308 /* TE_LINK_SUBTLV_TE_METRIC */
309 if (ntohs(lp->te_metric.header.type) != 0)
310 length += TLV_SIZE(&lp->te_metric.header);
311
312 /* TE_LINK_SUBTLV_MAX_BW */
313 if (ntohs(lp->max_bw.header.type) != 0)
314 length += TLV_SIZE(&lp->max_bw.header);
315
316 /* TE_LINK_SUBTLV_MAX_RSV_BW */
317 if (ntohs(lp->max_rsv_bw.header.type) != 0)
318 length += TLV_SIZE(&lp->max_rsv_bw.header);
319
320 /* TE_LINK_SUBTLV_UNRSV_BW */
321 if (ntohs(lp->unrsv_bw.header.type) != 0)
322 length += TLV_SIZE(&lp->unrsv_bw.header);
323
324 /* TE_LINK_SUBTLV_RSC_CLSCLR */
325 if (ntohs(lp->rsc_clsclr.header.type) != 0)
326 length += TLV_SIZE(&lp->rsc_clsclr.header);
327
328 /* TE_LINK_SUBTLV_LLRI */
329 if (ntohs(lp->llri.header.type) != 0)
330 length += TLV_SIZE(&lp->llri.header);
331
332 /* TE_LINK_SUBTLV_RIP */
333 if (ntohs(lp->rip.header.type) != 0)
334 length += TLV_SIZE(&lp->rip.header);
335
336 /* TE_LINK_SUBTLV_RAS */
337 if (ntohs(lp->ras.header.type) != 0)
338 length += TLV_SIZE(&lp->ras.header);
339
340 /* TE_LINK_SUBTLV_LRRID */
341 if (ntohs(lp->lrrid.header.type) != 0)
342 length += TLV_SIZE(&lp->lrrid.header);
343
344 /* TE_LINK_SUBTLV_AV_DELAY */
345 if (ntohs(lp->av_delay.header.type) != 0)
346 length += TLV_SIZE(&lp->av_delay.header);
347
348 /* TE_LINK_SUBTLV_MM_DELAY */
349 if (ntohs(lp->mm_delay.header.type) != 0)
350 length += TLV_SIZE(&lp->mm_delay.header);
351
352 /* TE_LINK_SUBTLV_DELAY_VAR */
353 if (ntohs(lp->delay_var.header.type) != 0)
354 length += TLV_SIZE(&lp->delay_var.header);
355
356 /* TE_LINK_SUBTLV_PKT_LOSS */
357 if (ntohs(lp->pkt_loss.header.type) != 0)
358 length += TLV_SIZE(&lp->pkt_loss.header);
359
360 /* TE_LINK_SUBTLV_RES_BW */
361 if (ntohs(lp->res_bw.header.type) != 0)
362 length += TLV_SIZE(&lp->res_bw.header);
363
364 /* TE_LINK_SUBTLV_AVA_BW */
365 if (ntohs(lp->ava_bw.header.type) != 0)
366 length += TLV_SIZE(&lp->ava_bw.header);
367
368 /* TE_LINK_SUBTLV_USE_BW */
369 if (ntohs(lp->use_bw.header.type) != 0)
370 length += TLV_SIZE(&lp->use_bw.header);
371
372 lp->link_header.header.type = htons(TE_TLV_LINK);
373 lp->link_header.header.length = htons(length);
374
375 return;
376 }
377
378 static void set_linkparams_link_type(struct ospf_interface *oi,
379 struct mpls_te_link *lp)
380 {
381 lp->link_type.header.type = htons(TE_LINK_SUBTLV_LINK_TYPE);
382 lp->link_type.header.length = htons(TE_LINK_SUBTLV_TYPE_SIZE);
383
384 switch (oi->type) {
385 case OSPF_IFTYPE_POINTOPOINT:
386 lp->link_type.link_type.value = LINK_TYPE_SUBTLV_VALUE_PTP;
387 break;
388 case OSPF_IFTYPE_BROADCAST:
389 case OSPF_IFTYPE_NBMA:
390 lp->link_type.link_type.value = LINK_TYPE_SUBTLV_VALUE_MA;
391 break;
392 default:
393 /* Not supported yet. */ /* XXX */
394 lp->link_type.header.type = htons(0);
395 break;
396 }
397 return;
398 }
399
400 static void set_linkparams_link_id(struct ospf_interface *oi,
401 struct mpls_te_link *lp)
402 {
403 struct ospf_neighbor *nbr;
404 int done = 0;
405
406 lp->link_id.header.type = htons(TE_LINK_SUBTLV_LINK_ID);
407 lp->link_id.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
408
409 /*
410 * The Link ID is identical to the contents of the Link ID field
411 * in the Router LSA for these link types.
412 */
413 switch (oi->type) {
414 case OSPF_IFTYPE_POINTOPOINT:
415 /* Take the router ID of the neighbor. */
416 if ((nbr = ospf_nbr_lookup_ptop(oi))
417 && nbr->state == NSM_Full) {
418 lp->link_id.value = nbr->router_id;
419 done = 1;
420 }
421 break;
422 case OSPF_IFTYPE_BROADCAST:
423 case OSPF_IFTYPE_NBMA:
424 /* Take the interface address of the designated router. */
425 if ((nbr = ospf_nbr_lookup_by_addr(oi->nbrs, &DR(oi))) == NULL)
426 break;
427
428 if (nbr->state == NSM_Full
429 || (IPV4_ADDR_SAME(&oi->address->u.prefix4, &DR(oi))
430 && ospf_nbr_count(oi, NSM_Full) > 0)) {
431 lp->link_id.value = DR(oi);
432 done = 1;
433 }
434 break;
435 default:
436 /* Not supported yet. */ /* XXX */
437 lp->link_id.header.type = htons(0);
438 break;
439 }
440
441 if (!done) {
442 struct in_addr mask;
443 masklen2ip(oi->address->prefixlen, &mask);
444 lp->link_id.value.s_addr =
445 oi->address->u.prefix4.s_addr & mask.s_addr;
446 }
447 return;
448 }
449
450 static void set_linkparams_lclif_ipaddr(struct mpls_te_link *lp,
451 struct in_addr lclif)
452 {
453
454 lp->lclif_ipaddr.header.type = htons(TE_LINK_SUBTLV_LCLIF_IPADDR);
455 lp->lclif_ipaddr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
456 lp->lclif_ipaddr.value[0] = lclif;
457 return;
458 }
459
460 static void set_linkparams_rmtif_ipaddr(struct mpls_te_link *lp,
461 struct in_addr rmtif)
462 {
463
464 lp->rmtif_ipaddr.header.type = htons(TE_LINK_SUBTLV_RMTIF_IPADDR);
465 lp->rmtif_ipaddr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
466 lp->rmtif_ipaddr.value[0] = rmtif;
467 return;
468 }
469
470 static void set_linkparams_te_metric(struct mpls_te_link *lp,
471 uint32_t te_metric)
472 {
473 lp->te_metric.header.type = htons(TE_LINK_SUBTLV_TE_METRIC);
474 lp->te_metric.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
475 lp->te_metric.value = htonl(te_metric);
476 return;
477 }
478
479 static void set_linkparams_max_bw(struct mpls_te_link *lp, float fp)
480 {
481 lp->max_bw.header.type = htons(TE_LINK_SUBTLV_MAX_BW);
482 lp->max_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
483 lp->max_bw.value = htonf(fp);
484 return;
485 }
486
487 static void set_linkparams_max_rsv_bw(struct mpls_te_link *lp, float fp)
488 {
489 lp->max_rsv_bw.header.type = htons(TE_LINK_SUBTLV_MAX_RSV_BW);
490 lp->max_rsv_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
491 lp->max_rsv_bw.value = htonf(fp);
492 return;
493 }
494
495 static void set_linkparams_unrsv_bw(struct mpls_te_link *lp, int priority,
496 float fp)
497 {
498 /* Note that TLV-length field is the size of array. */
499 lp->unrsv_bw.header.type = htons(TE_LINK_SUBTLV_UNRSV_BW);
500 lp->unrsv_bw.header.length = htons(TE_LINK_SUBTLV_UNRSV_SIZE);
501 lp->unrsv_bw.value[priority] = htonf(fp);
502 return;
503 }
504
505 static void set_linkparams_rsc_clsclr(struct mpls_te_link *lp,
506 uint32_t classcolor)
507 {
508 lp->rsc_clsclr.header.type = htons(TE_LINK_SUBTLV_RSC_CLSCLR);
509 lp->rsc_clsclr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
510 lp->rsc_clsclr.value = htonl(classcolor);
511 return;
512 }
513
514 static void set_linkparams_inter_as(struct mpls_te_link *lp,
515 struct in_addr addr, uint32_t as)
516 {
517
518 /* Set the Remote ASBR IP address and then the associated AS number */
519 lp->rip.header.type = htons(TE_LINK_SUBTLV_RIP);
520 lp->rip.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
521 lp->rip.value = addr;
522
523 lp->ras.header.type = htons(TE_LINK_SUBTLV_RAS);
524 lp->ras.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
525 lp->ras.value = htonl(as);
526 }
527
528 static void unset_linkparams_inter_as(struct mpls_te_link *lp)
529 {
530
531 /* Reset the Remote ASBR IP address and then the associated AS number */
532 lp->rip.header.type = htons(0);
533 lp->rip.header.length = htons(0);
534 lp->rip.value.s_addr = htonl(0);
535
536 lp->ras.header.type = htons(0);
537 lp->ras.header.length = htons(0);
538 lp->ras.value = htonl(0);
539 }
540
541 void set_linkparams_llri(struct mpls_te_link *lp, uint32_t local,
542 uint32_t remote)
543 {
544
545 lp->llri.header.type = htons(TE_LINK_SUBTLV_LLRI);
546 lp->llri.header.length = htons(TE_LINK_SUBTLV_LLRI_SIZE);
547 lp->llri.local = htonl(local);
548 lp->llri.remote = htonl(remote);
549 }
550
551 void set_linkparams_lrrid(struct mpls_te_link *lp, struct in_addr local,
552 struct in_addr remote)
553 {
554
555 lp->lrrid.header.type = htons(TE_LINK_SUBTLV_LRRID);
556 lp->lrrid.header.length = htons(TE_LINK_SUBTLV_LRRID_SIZE);
557 lp->lrrid.local.s_addr = local.s_addr;
558 lp->lrrid.remote.s_addr = remote.s_addr;
559 }
560
561 static void set_linkparams_av_delay(struct mpls_te_link *lp, uint32_t delay,
562 uint8_t anormal)
563 {
564 uint32_t tmp;
565 /* Note that TLV-length field is the size of array. */
566 lp->av_delay.header.type = htons(TE_LINK_SUBTLV_AV_DELAY);
567 lp->av_delay.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
568 tmp = delay & TE_EXT_MASK;
569 if (anormal)
570 tmp |= TE_EXT_ANORMAL;
571 lp->av_delay.value = htonl(tmp);
572 return;
573 }
574
575 static void set_linkparams_mm_delay(struct mpls_te_link *lp, uint32_t low,
576 uint32_t high, uint8_t anormal)
577 {
578 uint32_t tmp;
579 /* Note that TLV-length field is the size of array. */
580 lp->mm_delay.header.type = htons(TE_LINK_SUBTLV_MM_DELAY);
581 lp->mm_delay.header.length = htons(TE_LINK_SUBTLV_MM_DELAY_SIZE);
582 tmp = low & TE_EXT_MASK;
583 if (anormal)
584 tmp |= TE_EXT_ANORMAL;
585 lp->mm_delay.low = htonl(tmp);
586 lp->mm_delay.high = htonl(high);
587 return;
588 }
589
590 static void set_linkparams_delay_var(struct mpls_te_link *lp, uint32_t jitter)
591 {
592 /* Note that TLV-length field is the size of array. */
593 lp->delay_var.header.type = htons(TE_LINK_SUBTLV_DELAY_VAR);
594 lp->delay_var.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
595 lp->delay_var.value = htonl(jitter & TE_EXT_MASK);
596 return;
597 }
598
599 static void set_linkparams_pkt_loss(struct mpls_te_link *lp, uint32_t loss,
600 uint8_t anormal)
601 {
602 uint32_t tmp;
603 /* Note that TLV-length field is the size of array. */
604 lp->pkt_loss.header.type = htons(TE_LINK_SUBTLV_PKT_LOSS);
605 lp->pkt_loss.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
606 tmp = loss & TE_EXT_MASK;
607 if (anormal)
608 tmp |= TE_EXT_ANORMAL;
609 lp->pkt_loss.value = htonl(tmp);
610 return;
611 }
612
613 static void set_linkparams_res_bw(struct mpls_te_link *lp, float fp)
614 {
615 /* Note that TLV-length field is the size of array. */
616 lp->res_bw.header.type = htons(TE_LINK_SUBTLV_RES_BW);
617 lp->res_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
618 lp->res_bw.value = htonf(fp);
619 return;
620 }
621
622 static void set_linkparams_ava_bw(struct mpls_te_link *lp, float fp)
623 {
624 /* Note that TLV-length field is the size of array. */
625 lp->ava_bw.header.type = htons(TE_LINK_SUBTLV_AVA_BW);
626 lp->ava_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
627 lp->ava_bw.value = htonf(fp);
628 return;
629 }
630
631 static void set_linkparams_use_bw(struct mpls_te_link *lp, float fp)
632 {
633 /* Note that TLV-length field is the size of array. */
634 lp->use_bw.header.type = htons(TE_LINK_SUBTLV_USE_BW);
635 lp->use_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
636 lp->use_bw.value = htonf(fp);
637 return;
638 }
639
640 /* Update TE parameters from Interface */
641 static void update_linkparams(struct mpls_te_link *lp)
642 {
643 int i;
644 struct interface *ifp;
645
646 /* Get the Interface structure */
647 if ((ifp = lp->ifp) == NULL) {
648 if (IS_DEBUG_OSPF_TE)
649 zlog_debug(
650 "OSPF MPLS-TE: Abort update TE parameters: no interface associated to Link Parameters");
651 return;
652 }
653 if (!HAS_LINK_PARAMS(ifp)) {
654 if (IS_DEBUG_OSPF_TE)
655 zlog_debug(
656 "OSPF MPLS-TE: Abort update TE parameters: no Link Parameters for interface");
657 return;
658 }
659
660 /* RFC3630 metrics */
661 if (IS_PARAM_SET(ifp->link_params, LP_ADM_GRP))
662 set_linkparams_rsc_clsclr(lp, ifp->link_params->admin_grp);
663 else
664 TLV_TYPE(lp->rsc_clsclr) = 0;
665
666 if (IS_PARAM_SET(ifp->link_params, LP_MAX_BW))
667 set_linkparams_max_bw(lp, ifp->link_params->max_bw);
668 else
669 TLV_TYPE(lp->max_bw) = 0;
670
671 if (IS_PARAM_SET(ifp->link_params, LP_MAX_RSV_BW))
672 set_linkparams_max_rsv_bw(lp, ifp->link_params->max_rsv_bw);
673 else
674 TLV_TYPE(lp->max_rsv_bw) = 0;
675
676 if (IS_PARAM_SET(ifp->link_params, LP_UNRSV_BW))
677 for (i = 0; i < MAX_CLASS_TYPE; i++)
678 set_linkparams_unrsv_bw(lp, i,
679 ifp->link_params->unrsv_bw[i]);
680 else
681 TLV_TYPE(lp->unrsv_bw) = 0;
682
683 if (IS_PARAM_SET(ifp->link_params, LP_TE_METRIC))
684 set_linkparams_te_metric(lp, ifp->link_params->te_metric);
685 else
686 TLV_TYPE(lp->te_metric) = 0;
687
688 /* TE metric Extensions */
689 if (IS_PARAM_SET(ifp->link_params, LP_DELAY))
690 set_linkparams_av_delay(lp, ifp->link_params->av_delay, 0);
691 else
692 TLV_TYPE(lp->av_delay) = 0;
693
694 if (IS_PARAM_SET(ifp->link_params, LP_MM_DELAY))
695 set_linkparams_mm_delay(lp, ifp->link_params->min_delay,
696 ifp->link_params->max_delay, 0);
697 else
698 TLV_TYPE(lp->mm_delay) = 0;
699
700 if (IS_PARAM_SET(ifp->link_params, LP_DELAY_VAR))
701 set_linkparams_delay_var(lp, ifp->link_params->delay_var);
702 else
703 TLV_TYPE(lp->delay_var) = 0;
704
705 if (IS_PARAM_SET(ifp->link_params, LP_PKT_LOSS))
706 set_linkparams_pkt_loss(lp, ifp->link_params->pkt_loss, 0);
707 else
708 TLV_TYPE(lp->pkt_loss) = 0;
709
710 if (IS_PARAM_SET(ifp->link_params, LP_RES_BW))
711 set_linkparams_res_bw(lp, ifp->link_params->res_bw);
712 else
713 TLV_TYPE(lp->res_bw) = 0;
714
715 if (IS_PARAM_SET(ifp->link_params, LP_AVA_BW))
716 set_linkparams_ava_bw(lp, ifp->link_params->ava_bw);
717 else
718 TLV_TYPE(lp->ava_bw) = 0;
719
720 if (IS_PARAM_SET(ifp->link_params, LP_USE_BW))
721 set_linkparams_use_bw(lp, ifp->link_params->use_bw);
722 else
723 TLV_TYPE(lp->use_bw) = 0;
724
725 /* RFC5392 */
726 if (IS_PARAM_SET(ifp->link_params, LP_RMT_AS)) {
727 /* Flush LSA if it engaged and was previously a STD_TE one */
728 if (IS_STD_TE(lp->type)
729 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
730 if (IS_DEBUG_OSPF_TE)
731 zlog_debug(
732 "OSPF MPLS-TE Update IF: Switch from Standard LSA to INTER-AS for %s[%d/%d]",
733 ifp->name, lp->flags, lp->type);
734
735 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
736 /* Then, switch it to INTER-AS */
737 if (OspfMplsTE.inter_as == AS)
738 lp->flags = INTER_AS | FLOOD_AS;
739 else {
740 lp->flags = INTER_AS | FLOOD_AREA;
741 lp->area = ospf_area_lookup_by_area_id(
742 ospf_lookup_by_vrf_id(VRF_DEFAULT),
743 OspfMplsTE.interas_areaid);
744 }
745 }
746 set_linkparams_inter_as(lp, ifp->link_params->rmt_ip,
747 ifp->link_params->rmt_as);
748 } else {
749 if (IS_DEBUG_OSPF_TE)
750 zlog_debug(
751 "OSPF MPLS-TE Update IF: Switch from INTER-AS LSA to Standard for %s[%d/%d]",
752 ifp->name, lp->flags, lp->type);
753
754 /* reset inter-as TE params */
755 /* Flush LSA if it engaged and was previously an INTER_AS one */
756 if (IS_INTER_AS(lp->type)
757 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
758 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
759 /* Then, switch it to Standard TE */
760 lp->flags = STD_TE | FLOOD_AREA;
761 }
762 unset_linkparams_inter_as(lp);
763 }
764 }
765
766 static void initialize_linkparams(struct mpls_te_link *lp)
767 {
768 struct interface *ifp = lp->ifp;
769 struct ospf_interface *oi = NULL;
770 struct route_node *rn;
771
772 if (IS_DEBUG_OSPF_TE)
773 zlog_debug(
774 "MPLS-TE(initialize_linkparams) Initialize Link Parameters for interface %s",
775 ifp->name);
776
777 /* Search OSPF Interface parameters for this interface */
778 for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) {
779
780 if ((oi = rn->info) == NULL)
781 continue;
782
783 if (oi->ifp == ifp)
784 break;
785 }
786
787 if ((oi == NULL) || (oi->ifp != ifp)) {
788 if (IS_DEBUG_OSPF_TE)
789 zlog_debug(
790 "MPLS-TE(initialize_linkparams) Could not find corresponding OSPF Interface for %s",
791 ifp->name);
792 return;
793 }
794
795 /*
796 * Try to set initial values those can be derived from
797 * zebra-interface information.
798 */
799 set_linkparams_link_type(oi, lp);
800
801 /* Set local IP addr */
802 set_linkparams_lclif_ipaddr(lp, oi->address->u.prefix4);
803
804 /* Set Remote IP addr if Point to Point Interface */
805 if (oi->type == OSPF_IFTYPE_POINTOPOINT) {
806 struct prefix *pref = CONNECTED_PREFIX(oi->connected);
807 if (pref != NULL)
808 set_linkparams_rmtif_ipaddr(lp, pref->u.prefix4);
809 }
810
811 /* Keep Area information in combination with link parameters. */
812 lp->area = oi->area;
813
814 return;
815 }
816
817 static int is_mandated_params_set(struct mpls_te_link *lp)
818 {
819 int rc = 0;
820
821 if (ntohs(OspfMplsTE.router_addr.header.type) == 0) {
822 flog_warn(
823 EC_OSPF_TE_UNEXPECTED,
824 "MPLS-TE(is_mandated_params_set) Missing Router Address");
825 return rc;
826 }
827
828 if (ntohs(lp->link_type.header.type) == 0) {
829 flog_warn(EC_OSPF_TE_UNEXPECTED,
830 "MPLS-TE(is_mandated_params_set) Missing Link Type");
831 return rc;
832 }
833
834 if (!IS_INTER_AS(lp->type) && (ntohs(lp->link_id.header.type) == 0)) {
835 flog_warn(EC_OSPF_TE_UNEXPECTED,
836 "MPLS-TE(is_mandated_params_set) Missing Link ID");
837 return rc;
838 }
839
840 rc = 1;
841 return rc;
842 }
843
844 /*------------------------------------------------------------------------*
845 * Followings are callback functions against generic Opaque-LSAs handling.
846 *------------------------------------------------------------------------*/
847
848 static int ospf_mpls_te_new_if(struct interface *ifp)
849 {
850 struct mpls_te_link *new;
851
852 if (IS_DEBUG_OSPF_TE)
853 zlog_debug(
854 "MPLS-TE(ospf_mpls_te_new_if) Add new %s interface %s to MPLS-TE list",
855 ifp->link_params ? "Active" : "Inactive", ifp->name);
856
857 if (lookup_linkparams_by_ifp(ifp) != NULL)
858 return 0;
859
860 new = XCALLOC(MTYPE_OSPF_MPLS_TE, sizeof(struct mpls_te_link));
861
862 new->instance = get_mpls_te_instance_value();
863 new->ifp = ifp;
864 /* By default TE-Link is RFC3630 compatible flooding in Area and not
865 * active */
866 /* This default behavior will be adapted with call to
867 * ospf_mpls_te_update_if() */
868 new->type = STD_TE | FLOOD_AREA;
869 new->flags = LPFLG_LSA_INACTIVE;
870
871 /* Initialize Link Parameters from Interface */
872 initialize_linkparams(new);
873
874 /* Set TE Parameters from Interface */
875 update_linkparams(new);
876
877 /* Add Link Parameters structure to the list */
878 listnode_add(OspfMplsTE.iflist, new);
879
880 if (IS_DEBUG_OSPF_TE)
881 zlog_debug(
882 "OSPF MPLS-TE New IF: Add new LP context for %s[%d/%d]",
883 ifp->name, new->flags, new->type);
884
885 /* Schedule Opaque-LSA refresh. */ /* XXX */
886 return 0;
887 }
888
889 static int ospf_mpls_te_del_if(struct interface *ifp)
890 {
891 struct mpls_te_link *lp;
892 int rc = -1;
893
894 if ((lp = lookup_linkparams_by_ifp(ifp)) != NULL) {
895 struct list *iflist = OspfMplsTE.iflist;
896
897 /* Dequeue listnode entry from the list. */
898 listnode_delete(iflist, lp);
899
900 XFREE(MTYPE_OSPF_MPLS_TE, lp);
901 }
902
903 /* Schedule Opaque-LSA refresh. */ /* XXX */
904
905 rc = 0;
906 return rc;
907 }
908
909 /* Main initialization / update function of the MPLS TE Link context */
910
911 /* Call when interface TE Link parameters are modified */
912 void ospf_mpls_te_update_if(struct interface *ifp)
913 {
914 struct mpls_te_link *lp;
915
916 if (IS_DEBUG_OSPF_TE)
917 zlog_debug(
918 "OSPF MPLS-TE: Update LSA parameters for interface %s [%s]",
919 ifp->name, HAS_LINK_PARAMS(ifp) ? "ON" : "OFF");
920
921 /* Get Link context from interface */
922 if ((lp = lookup_linkparams_by_ifp(ifp)) == NULL) {
923 flog_warn(
924 EC_OSPF_TE_UNEXPECTED,
925 "OSPF MPLS-TE Update: Did not find Link Parameters context for interface %s",
926 ifp->name);
927 return;
928 }
929
930 /* Fulfill MPLS-TE Link TLV from Interface TE Link parameters */
931 if (HAS_LINK_PARAMS(ifp)) {
932 SET_FLAG(lp->flags, LPFLG_LSA_ACTIVE);
933
934 /* Update TE parameters */
935 update_linkparams(lp);
936
937 /* Finally Re-Originate or Refresh Opaque LSA if MPLS_TE is
938 * enabled */
939 if (OspfMplsTE.enabled)
940 if (lp->area != NULL) {
941 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
942 ospf_mpls_te_lsa_schedule(
943 lp, REFRESH_THIS_LSA);
944 else
945 ospf_mpls_te_lsa_schedule(
946 lp, REORIGINATE_THIS_LSA);
947 }
948 } else {
949 /* If MPLS TE is disable on this interface, flush LSA if it is
950 * already engaged */
951 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
952 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
953 else
954 /* Reset Activity flag */
955 lp->flags = LPFLG_LSA_INACTIVE;
956 }
957
958 return;
959 }
960
961 static void ospf_mpls_te_ism_change(struct ospf_interface *oi, int old_state)
962 {
963 struct te_link_subtlv_link_type old_type;
964 struct te_link_subtlv_link_id old_id;
965 struct mpls_te_link *lp;
966
967 if ((lp = lookup_linkparams_by_ifp(oi->ifp)) == NULL) {
968 flog_warn(
969 EC_OSPF_TE_UNEXPECTED,
970 "ospf_mpls_te_ism_change: Cannot get linkparams from OI(%s)?",
971 IF_NAME(oi));
972 return;
973 }
974
975 if (oi->area == NULL || oi->area->ospf == NULL) {
976 flog_warn(
977 EC_OSPF_TE_UNEXPECTED,
978 "ospf_mpls_te_ism_change: Cannot refer to OSPF from OI(%s)?",
979 IF_NAME(oi));
980 return;
981 }
982 #ifdef notyet
983 if ((lp->area != NULL
984 && !IPV4_ADDR_SAME(&lp->area->area_id, &oi->area->area_id))
985 || (lp->area != NULL && oi->area == NULL)) {
986 /* How should we consider this case? */
987 flog_warn(
988 EC_OSPF_TE_UNEXPECTED,
989 "MPLS-TE: Area for OI(%s) has changed to [%s], flush previous LSAs",
990 IF_NAME(oi),
991 oi->area ? inet_ntoa(oi->area->area_id) : "N/A");
992 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
993 }
994 #endif
995 /* Keep Area information in combination with linkparams. */
996 lp->area = oi->area;
997
998 /* Keep interface MPLS-TE status */
999 lp->flags = HAS_LINK_PARAMS(oi->ifp);
1000
1001 switch (oi->state) {
1002 case ISM_PointToPoint:
1003 case ISM_DROther:
1004 case ISM_Backup:
1005 case ISM_DR:
1006 old_type = lp->link_type;
1007 old_id = lp->link_id;
1008
1009 /* Set Link type, Link ID, Local and Remote IP addr */
1010 set_linkparams_link_type(oi, lp);
1011 set_linkparams_link_id(oi, lp);
1012 set_linkparams_lclif_ipaddr(lp, oi->address->u.prefix4);
1013
1014 if (oi->type == LINK_TYPE_SUBTLV_VALUE_PTP) {
1015 struct prefix *pref = CONNECTED_PREFIX(oi->connected);
1016 if (pref != NULL)
1017 set_linkparams_rmtif_ipaddr(lp,
1018 pref->u.prefix4);
1019 }
1020
1021 /* Update TE parameters */
1022 update_linkparams(lp);
1023
1024 /* Try to Schedule LSA */
1025 if ((ntohs(old_type.header.type)
1026 != ntohs(lp->link_type.header.type)
1027 || old_type.link_type.value
1028 != lp->link_type.link_type.value)
1029 || (ntohs(old_id.header.type)
1030 != ntohs(lp->link_id.header.type)
1031 || ntohl(old_id.value.s_addr)
1032 != ntohl(lp->link_id.value.s_addr))) {
1033 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
1034 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
1035 else
1036 ospf_mpls_te_lsa_schedule(lp,
1037 REORIGINATE_THIS_LSA);
1038 }
1039 break;
1040 default:
1041 lp->link_type.header.type = htons(0);
1042 lp->link_id.header.type = htons(0);
1043
1044 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
1045 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
1046 break;
1047 }
1048
1049 return;
1050 }
1051
1052 static void ospf_mpls_te_nsm_change(struct ospf_neighbor *nbr, int old_state)
1053 {
1054 /* Nothing to do here */
1055 return;
1056 }
1057
1058 /*------------------------------------------------------------------------*
1059 * Followings are OSPF protocol processing functions for MPLS-TE.
1060 *------------------------------------------------------------------------*/
1061
1062 static void build_tlv_header(struct stream *s, struct tlv_header *tlvh)
1063 {
1064 stream_put(s, tlvh, sizeof(struct tlv_header));
1065 return;
1066 }
1067
1068 static void build_router_tlv(struct stream *s)
1069 {
1070 struct tlv_header *tlvh = &OspfMplsTE.router_addr.header;
1071 if (ntohs(tlvh->type) != 0) {
1072 build_tlv_header(s, tlvh);
1073 stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh));
1074 }
1075 return;
1076 }
1077
1078 static void build_link_subtlv(struct stream *s, struct tlv_header *tlvh)
1079 {
1080
1081 if ((tlvh != NULL) && (ntohs(tlvh->type) != 0)) {
1082 build_tlv_header(s, tlvh);
1083 stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh));
1084 }
1085 return;
1086 }
1087
1088 static void build_link_tlv(struct stream *s, struct mpls_te_link *lp)
1089 {
1090 set_linkparams_link_header(lp);
1091 build_tlv_header(s, &lp->link_header.header);
1092
1093 build_link_subtlv(s, &lp->link_type.header);
1094 build_link_subtlv(s, &lp->link_id.header);
1095 build_link_subtlv(s, &lp->lclif_ipaddr.header);
1096 build_link_subtlv(s, &lp->rmtif_ipaddr.header);
1097 build_link_subtlv(s, &lp->te_metric.header);
1098 build_link_subtlv(s, &lp->max_bw.header);
1099 build_link_subtlv(s, &lp->max_rsv_bw.header);
1100 build_link_subtlv(s, &lp->unrsv_bw.header);
1101 build_link_subtlv(s, &lp->rsc_clsclr.header);
1102 build_link_subtlv(s, &lp->lrrid.header);
1103 build_link_subtlv(s, &lp->llri.header);
1104 build_link_subtlv(s, &lp->rip.header);
1105 build_link_subtlv(s, &lp->ras.header);
1106 build_link_subtlv(s, &lp->av_delay.header);
1107 build_link_subtlv(s, &lp->mm_delay.header);
1108 build_link_subtlv(s, &lp->delay_var.header);
1109 build_link_subtlv(s, &lp->pkt_loss.header);
1110 build_link_subtlv(s, &lp->res_bw.header);
1111 build_link_subtlv(s, &lp->ava_bw.header);
1112 build_link_subtlv(s, &lp->use_bw.header);
1113
1114 return;
1115 }
1116
1117 static void ospf_mpls_te_lsa_body_set(struct stream *s, struct mpls_te_link *lp)
1118 {
1119 /*
1120 * The router address TLV is type 1, and ...
1121 * It must appear in exactly one
1122 * Traffic Engineering LSA originated by a router.
1123 */
1124 build_router_tlv(s);
1125
1126 /*
1127 * Only one Link TLV shall be carried in each LSA, allowing for fine
1128 * granularity changes in topology.
1129 */
1130 build_link_tlv(s, lp);
1131 return;
1132 }
1133
1134 /* Create new opaque-LSA. */
1135 static struct ospf_lsa *ospf_mpls_te_lsa_new(struct ospf *ospf,
1136 struct ospf_area *area,
1137 struct mpls_te_link *lp)
1138 {
1139 struct stream *s;
1140 struct lsa_header *lsah;
1141 struct ospf_lsa *new = NULL;
1142 uint8_t options, lsa_type = 0;
1143 struct in_addr lsa_id;
1144 uint32_t tmp;
1145 uint16_t length;
1146
1147 /* Create a stream for LSA. */
1148 s = stream_new(OSPF_MAX_LSA_SIZE);
1149 lsah = (struct lsa_header *)STREAM_DATA(s);
1150
1151 options = OSPF_OPTION_O; /* Don't forget this :-) */
1152
1153 /* Set opaque-LSA header fields depending of the type of RFC */
1154 if (IS_INTER_AS(lp->type)) {
1155 if (IS_FLOOD_AS(lp->type)) {
1156 /* Enable AS external as we flood Inter-AS with Opaque
1157 * Type 11
1158 */
1159 options |= OSPF_OPTION_E;
1160 lsa_type = OSPF_OPAQUE_AS_LSA;
1161 } else {
1162 options |= LSA_OPTIONS_GET(
1163 area); /* Get area default option */
1164 options |= LSA_OPTIONS_NSSA_GET(area);
1165 lsa_type = OSPF_OPAQUE_AREA_LSA;
1166 }
1167 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA, lp->instance);
1168 lsa_id.s_addr = htonl(tmp);
1169
1170 if (!ospf) {
1171 stream_free(s);
1172 return NULL;
1173 }
1174
1175 lsa_header_set(s, options, lsa_type, lsa_id, ospf->router_id);
1176 } else {
1177 options |= LSA_OPTIONS_GET(area); /* Get area default option */
1178 options |= LSA_OPTIONS_NSSA_GET(area);
1179 lsa_type = OSPF_OPAQUE_AREA_LSA;
1180 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA,
1181 lp->instance);
1182 lsa_id.s_addr = htonl(tmp);
1183 lsa_header_set(s, options, lsa_type, lsa_id,
1184 area->ospf->router_id);
1185 }
1186
1187 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE))
1188 zlog_debug(
1189 "LSA[Type%d:%s]: Create an Opaque-LSA/MPLS-TE instance",
1190 lsa_type, inet_ntoa(lsa_id));
1191
1192 /* Set opaque-LSA body fields. */
1193 ospf_mpls_te_lsa_body_set(s, lp);
1194
1195 /* Set length. */
1196 length = stream_get_endp(s);
1197 lsah->length = htons(length);
1198
1199 /* Now, create an OSPF LSA instance. */
1200 new = ospf_lsa_new_and_data(length);
1201
1202 new->vrf_id = ospf->vrf_id;
1203 if (area && area->ospf)
1204 new->vrf_id = area->ospf->vrf_id;
1205 new->area = area;
1206 SET_FLAG(new->flags, OSPF_LSA_SELF);
1207 memcpy(new->data, lsah, length);
1208 stream_free(s);
1209
1210 return new;
1211 }
1212
1213 static int ospf_mpls_te_lsa_originate1(struct ospf_area *area,
1214 struct mpls_te_link *lp)
1215 {
1216 struct ospf_lsa *new = NULL;
1217 int rc = -1;
1218
1219 /* Create new Opaque-LSA/MPLS-TE instance. */
1220 new = ospf_mpls_te_lsa_new(area->ospf, area, lp);
1221 if (new == NULL) {
1222 flog_warn(
1223 EC_OSPF_TE_UNEXPECTED,
1224 "ospf_mpls_te_lsa_originate1: ospf_mpls_te_lsa_new() ?");
1225 return rc;
1226 }
1227
1228 /* Install this LSA into LSDB. */
1229 if (ospf_lsa_install(area->ospf, NULL /*oi*/, new) == NULL) {
1230 flog_warn(EC_OSPF_LSA_INSTALL_FAILURE,
1231 "ospf_mpls_te_lsa_originate1: ospf_lsa_install() ?");
1232 ospf_lsa_unlock(&new);
1233 return rc;
1234 }
1235
1236 /* Now this link-parameter entry has associated LSA. */
1237 SET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
1238 /* Update new LSA origination count. */
1239 area->ospf->lsa_originate_count++;
1240
1241 /* Flood new LSA through area. */
1242 ospf_flood_through_area(area, NULL /*nbr*/, new);
1243
1244 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) {
1245 char area_id[INET_ADDRSTRLEN];
1246 strlcpy(area_id, inet_ntoa(area->area_id), sizeof(area_id));
1247 zlog_debug(
1248 "LSA[Type%d:%s]: Originate Opaque-LSA/MPLS-TE: Area(%s), Link(%s)",
1249 new->data->type, inet_ntoa(new->data->id), area_id,
1250 lp->ifp->name);
1251 ospf_lsa_header_dump(new->data);
1252 }
1253
1254 rc = 0;
1255 return rc;
1256 }
1257
1258 static int ospf_mpls_te_lsa_originate_area(void *arg)
1259 {
1260 struct ospf_area *area = (struct ospf_area *)arg;
1261 struct listnode *node, *nnode;
1262 struct mpls_te_link *lp;
1263 int rc = -1;
1264
1265 if (!OspfMplsTE.enabled) {
1266 zlog_info(
1267 "ospf_mpls_te_lsa_originate_area: MPLS-TE is disabled now.");
1268 rc = 0; /* This is not an error case. */
1269 return rc;
1270 }
1271
1272 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
1273 /* Process only enabled LSA with area scope flooding */
1274 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)
1275 || IS_FLOOD_AS(lp->type))
1276 continue;
1277
1278 if (lp->area == NULL)
1279 continue;
1280
1281 if (!IPV4_ADDR_SAME(&lp->area->area_id, &area->area_id))
1282 continue;
1283
1284 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
1285 if (CHECK_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH)) {
1286 UNSET_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH);
1287 zlog_info(
1288 "OSPF MPLS-TE (ospf_mpls_te_lsa_originate_area): Refresh instead of Originate");
1289 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
1290 }
1291 continue;
1292 }
1293
1294 if (!is_mandated_params_set(lp)) {
1295 zlog_info(
1296 "ospf_mpls_te_lsa_originate_area: Link(%s) lacks some mandated MPLS-TE parameters.",
1297 lp->ifp ? lp->ifp->name : "?");
1298 continue;
1299 }
1300
1301 /* Ok, let's try to originate an LSA for this area and Link. */
1302 if (IS_DEBUG_OSPF_TE)
1303 zlog_debug(
1304 "MPLS-TE(ospf_mpls_te_lsa_originate_area) Let's finally reoriginate the LSA %d through the Area %s for Link %s",
1305 lp->instance, inet_ntoa(area->area_id),
1306 lp->ifp ? lp->ifp->name : "?");
1307 if (ospf_mpls_te_lsa_originate1(area, lp) != 0)
1308 return rc;
1309 }
1310
1311 rc = 0;
1312 return rc;
1313 }
1314
1315 static int ospf_mpls_te_lsa_originate2(struct ospf *top,
1316 struct mpls_te_link *lp)
1317 {
1318 struct ospf_lsa *new;
1319 int rc = -1;
1320
1321 /* Create new Opaque-LSA/Inter-AS instance. */
1322 new = ospf_mpls_te_lsa_new(top, NULL, lp);
1323 if (new == NULL) {
1324 flog_warn(
1325 EC_OSPF_LSA_UNEXPECTED,
1326 "ospf_mpls_te_lsa_originate2: ospf_router_info_lsa_new() ?");
1327 return rc;
1328 }
1329 new->vrf_id = top->vrf_id;
1330
1331 /* Install this LSA into LSDB. */
1332 if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) {
1333 flog_warn(EC_OSPF_LSA_INSTALL_FAILURE,
1334 "ospf_mpls_te_lsa_originate2: ospf_lsa_install() ?");
1335 ospf_lsa_unlock(&new);
1336 return rc;
1337 }
1338
1339 /* Now this Router Info parameter entry has associated LSA. */
1340 SET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
1341 /* Update new LSA origination count. */
1342 top->lsa_originate_count++;
1343
1344 /* Flood new LSA through AS. */
1345 ospf_flood_through_as(top, NULL /*nbr */, new);
1346
1347 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) {
1348 zlog_debug(
1349 "LSA[Type%d:%s]: Originate Opaque-LSA/MPLS-TE Inter-AS",
1350 new->data->type, inet_ntoa(new->data->id));
1351 ospf_lsa_header_dump(new->data);
1352 }
1353
1354 rc = 0;
1355 return rc;
1356 }
1357
1358 static int ospf_mpls_te_lsa_originate_as(void *arg)
1359 {
1360 struct ospf *top;
1361 struct ospf_area *area;
1362 struct listnode *node, *nnode;
1363 struct mpls_te_link *lp;
1364 int rc = -1;
1365
1366 if ((!OspfMplsTE.enabled) || (OspfMplsTE.inter_as == Off)) {
1367 zlog_info(
1368 "ospf_mpls_te_lsa_originate_as: MPLS-TE Inter-AS is disabled for now.");
1369 rc = 0; /* This is not an error case. */
1370 return rc;
1371 }
1372
1373 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
1374 /* Process only enabled INTER_AS Links or Pseudo-Links */
1375 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)
1376 || !IS_INTER_AS(lp->type))
1377 continue;
1378
1379 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
1380 if (CHECK_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH)) {
1381 UNSET_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH);
1382 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
1383 }
1384 continue;
1385 }
1386
1387 if (!is_mandated_params_set(lp)) {
1388 flog_warn(
1389 EC_OSPF_TE_UNEXPECTED,
1390 "ospf_mpls_te_lsa_originate_as: Link(%s) lacks some mandated MPLS-TE parameters.",
1391 lp->ifp ? lp->ifp->name : "?");
1392 continue;
1393 }
1394
1395 /* Ok, let's try to originate an LSA for this AS and Link. */
1396 if (IS_DEBUG_OSPF_TE)
1397 zlog_debug(
1398 "MPLS-TE(ospf_mpls_te_lsa_originate_as) Let's finally re-originate the Inter-AS LSA %d through the %s for Link %s",
1399 lp->instance,
1400 IS_FLOOD_AS(lp->type) ? "AS" : "Area",
1401 lp->ifp ? lp->ifp->name : "Unknown");
1402
1403 if (IS_FLOOD_AS(lp->type)) {
1404 top = (struct ospf *)arg;
1405 ospf_mpls_te_lsa_originate2(top, lp);
1406 } else {
1407 area = (struct ospf_area *)arg;
1408 ospf_mpls_te_lsa_originate1(area, lp);
1409 }
1410 }
1411
1412 rc = 0;
1413 return rc;
1414 }
1415
1416 static struct ospf_lsa *ospf_mpls_te_lsa_refresh(struct ospf_lsa *lsa)
1417 {
1418 struct mpls_te_link *lp;
1419 struct ospf_area *area = lsa->area;
1420 struct ospf *top;
1421 struct ospf_lsa *new = NULL;
1422
1423 if (!OspfMplsTE.enabled) {
1424 /*
1425 * This LSA must have flushed before due to MPLS-TE status
1426 * change.
1427 * It seems a slip among routers in the routing domain.
1428 */
1429 zlog_info("ospf_mpls_te_lsa_refresh: MPLS-TE is disabled now.");
1430 lsa->data->ls_age =
1431 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1432 }
1433
1434 /* At first, resolve lsa/lp relationship. */
1435 if ((lp = lookup_linkparams_by_instance(lsa)) == NULL) {
1436 flog_warn(EC_OSPF_TE_UNEXPECTED,
1437 "ospf_mpls_te_lsa_refresh: Invalid parameter?");
1438 lsa->data->ls_age =
1439 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1440 ospf_opaque_lsa_flush_schedule(lsa);
1441 return NULL;
1442 }
1443
1444 /* Check if lp was not disable in the interval */
1445 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)) {
1446 flog_warn(
1447 EC_OSPF_TE_UNEXPECTED,
1448 "ospf_mpls_te_lsa_refresh: lp was disabled: Flush it!");
1449 lsa->data->ls_age =
1450 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1451 }
1452
1453 /* If the lsa's age reached to MaxAge, start flushing procedure. */
1454 if (IS_LSA_MAXAGE(lsa)) {
1455 UNSET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
1456 ospf_opaque_lsa_flush_schedule(lsa);
1457 return NULL;
1458 }
1459 top = ospf_lookup_by_vrf_id(lsa->vrf_id);
1460 /* Create new Opaque-LSA/MPLS-TE instance. */
1461 new = ospf_mpls_te_lsa_new(top, area, lp);
1462 if (new == NULL) {
1463 flog_warn(EC_OSPF_TE_UNEXPECTED,
1464 "ospf_mpls_te_lsa_refresh: ospf_mpls_te_lsa_new() ?");
1465 return NULL;
1466 }
1467 new->data->ls_seqnum = lsa_seqnum_increment(lsa);
1468
1469 /* Install this LSA into LSDB. */
1470 /* Given "lsa" will be freed in the next function. */
1471 /* As area could be NULL i.e. when using OPAQUE_LSA_AS, we prefer to use
1472 * ospf_lookup() to get ospf instance */
1473 if (area)
1474 top = area->ospf;
1475
1476 if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) {
1477 flog_warn(EC_OSPF_LSA_INSTALL_FAILURE,
1478 "ospf_mpls_te_lsa_refresh: ospf_lsa_install() ?");
1479 ospf_lsa_unlock(&new);
1480 return NULL;
1481 }
1482
1483 /* Flood updated LSA through AS or Area depending of the RFC of the link
1484 */
1485 if (IS_FLOOD_AS(lp->type))
1486 ospf_flood_through_as(top, NULL, new);
1487 else
1488 ospf_flood_through_area(area, NULL /*nbr*/, new);
1489
1490 /* Debug logging. */
1491 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) {
1492 zlog_debug("LSA[Type%d:%s]: Refresh Opaque-LSA/MPLS-TE",
1493 new->data->type, inet_ntoa(new->data->id));
1494 ospf_lsa_header_dump(new->data);
1495 }
1496
1497 return new;
1498 }
1499
1500 void ospf_mpls_te_lsa_schedule(struct mpls_te_link *lp, enum lsa_opcode opcode)
1501 {
1502 struct ospf_lsa lsa;
1503 struct lsa_header lsah;
1504 struct ospf *top;
1505 uint32_t tmp;
1506
1507 memset(&lsa, 0, sizeof(lsa));
1508 memset(&lsah, 0, sizeof(lsah));
1509 top = ospf_lookup_by_vrf_id(VRF_DEFAULT);
1510
1511 /* Check if the pseudo link is ready to flood */
1512 if (!(CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE))
1513 || !(IS_FLOOD_AREA(lp->type) || IS_FLOOD_AS(lp->type))) {
1514 return;
1515 }
1516
1517 lsa.area = lp->area;
1518 lsa.data = &lsah;
1519 if (IS_FLOOD_AS(lp->type)) {
1520 lsah.type = OSPF_OPAQUE_AS_LSA;
1521 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA, lp->instance);
1522 lsah.id.s_addr = htonl(tmp);
1523 } else {
1524 lsah.type = OSPF_OPAQUE_AREA_LSA;
1525 if (IS_INTER_AS(lp->type)) {
1526 /* Set the area context if not know */
1527 if (lp->area == NULL)
1528 lp->area = ospf_area_lookup_by_area_id(
1529 top, OspfMplsTE.interas_areaid);
1530 /* Unable to set the area context. Abort! */
1531 if (lp->area == NULL) {
1532 flog_warn(
1533 EC_OSPF_TE_UNEXPECTED,
1534 "MPLS-TE(ospf_mpls_te_lsa_schedule) Area context is null. Abort !");
1535 return;
1536 }
1537 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA,
1538 lp->instance);
1539 } else
1540 tmp = SET_OPAQUE_LSID(
1541 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA,
1542 lp->instance);
1543 lsah.id.s_addr = htonl(tmp);
1544 }
1545
1546 switch (opcode) {
1547 case REORIGINATE_THIS_LSA:
1548 if (IS_FLOOD_AS(lp->type)) {
1549 ospf_opaque_lsa_reoriginate_schedule(
1550 (void *)top, OSPF_OPAQUE_AS_LSA,
1551 OPAQUE_TYPE_INTER_AS_LSA);
1552 break;
1553 }
1554
1555 if (IS_FLOOD_AREA(lp->type)) {
1556 if (IS_INTER_AS(lp->type))
1557 ospf_opaque_lsa_reoriginate_schedule(
1558 (void *)lp->area, OSPF_OPAQUE_AREA_LSA,
1559 OPAQUE_TYPE_INTER_AS_LSA);
1560 else
1561 ospf_opaque_lsa_reoriginate_schedule(
1562 (void *)lp->area, OSPF_OPAQUE_AREA_LSA,
1563 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA);
1564 break;
1565 }
1566 break;
1567 case REFRESH_THIS_LSA:
1568 ospf_opaque_lsa_refresh_schedule(&lsa);
1569 break;
1570 case FLUSH_THIS_LSA:
1571 /* Reset Activity flag */
1572 lp->flags = LPFLG_LSA_INACTIVE;
1573 ospf_opaque_lsa_flush_schedule(&lsa);
1574 break;
1575 default:
1576 flog_warn(EC_OSPF_TE_UNEXPECTED,
1577 "ospf_mpls_te_lsa_schedule: Unknown opcode (%u)",
1578 opcode);
1579 break;
1580 }
1581
1582 return;
1583 }
1584
1585
1586 /*------------------------------------------------------------------------*
1587 * Followings are vty session control functions.
1588 *------------------------------------------------------------------------*/
1589
1590 static uint16_t show_vty_router_addr(struct vty *vty, struct tlv_header *tlvh)
1591 {
1592 struct te_tlv_router_addr *top = (struct te_tlv_router_addr *)tlvh;
1593
1594 if (vty != NULL)
1595 vty_out(vty, " Router-Address: %s\n", inet_ntoa(top->value));
1596 else
1597 zlog_debug(" Router-Address: %s", inet_ntoa(top->value));
1598
1599 return TLV_SIZE(tlvh);
1600 }
1601
1602 static uint16_t show_vty_link_header(struct vty *vty, struct tlv_header *tlvh)
1603 {
1604 struct te_tlv_link *top = (struct te_tlv_link *)tlvh;
1605
1606 if (vty != NULL)
1607 vty_out(vty, " Link: %u octets of data\n",
1608 ntohs(top->header.length));
1609 else
1610 zlog_debug(" Link: %u octets of data",
1611 ntohs(top->header.length));
1612
1613 return TLV_HDR_SIZE; /* Here is special, not "TLV_SIZE". */
1614 }
1615
1616 static uint16_t show_vty_link_subtlv_link_type(struct vty *vty,
1617 struct tlv_header *tlvh)
1618 {
1619 struct te_link_subtlv_link_type *top;
1620 const char *cp = "Unknown";
1621
1622 top = (struct te_link_subtlv_link_type *)tlvh;
1623 switch (top->link_type.value) {
1624 case LINK_TYPE_SUBTLV_VALUE_PTP:
1625 cp = "Point-to-point";
1626 break;
1627 case LINK_TYPE_SUBTLV_VALUE_MA:
1628 cp = "Multiaccess";
1629 break;
1630 default:
1631 break;
1632 }
1633
1634 if (vty != NULL)
1635 vty_out(vty, " Link-Type: %s (%u)\n", cp,
1636 top->link_type.value);
1637 else
1638 zlog_debug(" Link-Type: %s (%u)", cp, top->link_type.value);
1639
1640 return TLV_SIZE(tlvh);
1641 }
1642
1643 static uint16_t show_vty_link_subtlv_link_id(struct vty *vty,
1644 struct tlv_header *tlvh)
1645 {
1646 struct te_link_subtlv_link_id *top;
1647
1648 top = (struct te_link_subtlv_link_id *)tlvh;
1649 if (vty != NULL)
1650 vty_out(vty, " Link-ID: %s\n", inet_ntoa(top->value));
1651 else
1652 zlog_debug(" Link-ID: %s", inet_ntoa(top->value));
1653
1654 return TLV_SIZE(tlvh);
1655 }
1656
1657 static uint16_t show_vty_link_subtlv_lclif_ipaddr(struct vty *vty,
1658 struct tlv_header *tlvh)
1659 {
1660 struct te_link_subtlv_lclif_ipaddr *top;
1661 int i, n;
1662
1663 top = (struct te_link_subtlv_lclif_ipaddr *)tlvh;
1664 n = ntohs(tlvh->length) / sizeof(top->value[0]);
1665
1666 if (vty != NULL)
1667 vty_out(vty, " Local Interface IP Address(es): %d\n", n);
1668 else
1669 zlog_debug(" Local Interface IP Address(es): %d", n);
1670
1671 for (i = 0; i < n; i++) {
1672 if (vty != NULL)
1673 vty_out(vty, " #%d: %s\n", i,
1674 inet_ntoa(top->value[i]));
1675 else
1676 zlog_debug(" #%d: %s", i,
1677 inet_ntoa(top->value[i]));
1678 }
1679 return TLV_SIZE(tlvh);
1680 }
1681
1682 static uint16_t show_vty_link_subtlv_rmtif_ipaddr(struct vty *vty,
1683 struct tlv_header *tlvh)
1684 {
1685 struct te_link_subtlv_rmtif_ipaddr *top;
1686 int i, n;
1687
1688 top = (struct te_link_subtlv_rmtif_ipaddr *)tlvh;
1689 n = ntohs(tlvh->length) / sizeof(top->value[0]);
1690 if (vty != NULL)
1691 vty_out(vty, " Remote Interface IP Address(es): %d\n", n);
1692 else
1693 zlog_debug(" Remote Interface IP Address(es): %d", n);
1694
1695 for (i = 0; i < n; i++) {
1696 if (vty != NULL)
1697 vty_out(vty, " #%d: %s\n", i,
1698 inet_ntoa(top->value[i]));
1699 else
1700 zlog_debug(" #%d: %s", i,
1701 inet_ntoa(top->value[i]));
1702 }
1703 return TLV_SIZE(tlvh);
1704 }
1705
1706 static uint16_t show_vty_link_subtlv_te_metric(struct vty *vty,
1707 struct tlv_header *tlvh)
1708 {
1709 struct te_link_subtlv_te_metric *top;
1710
1711 top = (struct te_link_subtlv_te_metric *)tlvh;
1712 if (vty != NULL)
1713 vty_out(vty, " Traffic Engineering Metric: %u\n",
1714 (uint32_t)ntohl(top->value));
1715 else
1716 zlog_debug(" Traffic Engineering Metric: %u",
1717 (uint32_t)ntohl(top->value));
1718
1719 return TLV_SIZE(tlvh);
1720 }
1721
1722 static uint16_t show_vty_link_subtlv_max_bw(struct vty *vty,
1723 struct tlv_header *tlvh)
1724 {
1725 struct te_link_subtlv_max_bw *top;
1726 float fval;
1727
1728 top = (struct te_link_subtlv_max_bw *)tlvh;
1729 fval = ntohf(top->value);
1730
1731 if (vty != NULL)
1732 vty_out(vty, " Maximum Bandwidth: %g (Bytes/sec)\n", fval);
1733 else
1734 zlog_debug(" Maximum Bandwidth: %g (Bytes/sec)", fval);
1735
1736 return TLV_SIZE(tlvh);
1737 }
1738
1739 static uint16_t show_vty_link_subtlv_max_rsv_bw(struct vty *vty,
1740 struct tlv_header *tlvh)
1741 {
1742 struct te_link_subtlv_max_rsv_bw *top;
1743 float fval;
1744
1745 top = (struct te_link_subtlv_max_rsv_bw *)tlvh;
1746 fval = ntohf(top->value);
1747
1748 if (vty != NULL)
1749 vty_out(vty, " Maximum Reservable Bandwidth: %g (Bytes/sec)\n",
1750 fval);
1751 else
1752 zlog_debug(" Maximum Reservable Bandwidth: %g (Bytes/sec)",
1753 fval);
1754
1755 return TLV_SIZE(tlvh);
1756 }
1757
1758 static uint16_t show_vty_link_subtlv_unrsv_bw(struct vty *vty,
1759 struct tlv_header *tlvh)
1760 {
1761 struct te_link_subtlv_unrsv_bw *top;
1762 float fval1, fval2;
1763 int i;
1764
1765 top = (struct te_link_subtlv_unrsv_bw *)tlvh;
1766 if (vty != NULL)
1767 vty_out(vty,
1768 " Unreserved Bandwidth per Class Type in Byte/s:\n");
1769 else
1770 zlog_debug(
1771 " Unreserved Bandwidth per Class Type in Byte/s:");
1772 for (i = 0; i < MAX_CLASS_TYPE; i += 2) {
1773 fval1 = ntohf(top->value[i]);
1774 fval2 = ntohf(top->value[i + 1]);
1775
1776 if (vty != NULL)
1777 vty_out(vty,
1778 " [%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)\n",
1779 i, fval1, i + 1, fval2);
1780 else
1781 zlog_debug(
1782 " [%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)",
1783 i, fval1, i + 1, fval2);
1784 }
1785
1786 return TLV_SIZE(tlvh);
1787 }
1788
1789 static uint16_t show_vty_link_subtlv_rsc_clsclr(struct vty *vty,
1790 struct tlv_header *tlvh)
1791 {
1792 struct te_link_subtlv_rsc_clsclr *top;
1793
1794 top = (struct te_link_subtlv_rsc_clsclr *)tlvh;
1795 if (vty != NULL)
1796 vty_out(vty, " Resource class/color: 0x%x\n",
1797 (uint32_t)ntohl(top->value));
1798 else
1799 zlog_debug(" Resource Class/Color: 0x%x",
1800 (uint32_t)ntohl(top->value));
1801
1802 return TLV_SIZE(tlvh);
1803 }
1804
1805 static uint16_t show_vty_link_subtlv_lrrid(struct vty *vty,
1806 struct tlv_header *tlvh)
1807 {
1808 struct te_link_subtlv_lrrid *top;
1809
1810 top = (struct te_link_subtlv_lrrid *)tlvh;
1811
1812 if (vty != NULL) {
1813 vty_out(vty, " Local TE Router ID: %s\n",
1814 inet_ntoa(top->local));
1815 vty_out(vty, " Remote TE Router ID: %s\n",
1816 inet_ntoa(top->remote));
1817 } else {
1818 zlog_debug(" Local TE Router ID: %s",
1819 inet_ntoa(top->local));
1820 zlog_debug(" Remote TE Router ID: %s",
1821 inet_ntoa(top->remote));
1822 }
1823
1824 return TLV_SIZE(tlvh);
1825 }
1826
1827 static uint16_t show_vty_link_subtlv_llri(struct vty *vty,
1828 struct tlv_header *tlvh)
1829 {
1830 struct te_link_subtlv_llri *top;
1831
1832 top = (struct te_link_subtlv_llri *)tlvh;
1833
1834 if (vty != NULL) {
1835 vty_out(vty, " Link Local ID: %d\n",
1836 (uint32_t)ntohl(top->local));
1837 vty_out(vty, " Link Remote ID: %d\n",
1838 (uint32_t)ntohl(top->remote));
1839 } else {
1840 zlog_debug(" Link Local ID: %d",
1841 (uint32_t)ntohl(top->local));
1842 zlog_debug(" Link Remote ID: %d",
1843 (uint32_t)ntohl(top->remote));
1844 }
1845
1846 return TLV_SIZE(tlvh);
1847 }
1848
1849 static uint16_t show_vty_link_subtlv_rip(struct vty *vty,
1850 struct tlv_header *tlvh)
1851 {
1852 struct te_link_subtlv_rip *top;
1853
1854 top = (struct te_link_subtlv_rip *)tlvh;
1855
1856 if (vty != NULL)
1857 vty_out(vty, " Inter-AS TE Remote ASBR IP address: %s\n",
1858 inet_ntoa(top->value));
1859 else
1860 zlog_debug(" Inter-AS TE Remote ASBR IP address: %s",
1861 inet_ntoa(top->value));
1862
1863 return TLV_SIZE(tlvh);
1864 }
1865
1866 static uint16_t show_vty_link_subtlv_ras(struct vty *vty,
1867 struct tlv_header *tlvh)
1868 {
1869 struct te_link_subtlv_ras *top;
1870
1871 top = (struct te_link_subtlv_ras *)tlvh;
1872
1873 if (vty != NULL)
1874 vty_out(vty, " Inter-AS TE Remote AS number: %u\n",
1875 ntohl(top->value));
1876 else
1877 zlog_debug(" Inter-AS TE Remote AS number: %u",
1878 ntohl(top->value));
1879
1880 return TLV_SIZE(tlvh);
1881 }
1882
1883 static uint16_t show_vty_link_subtlv_av_delay(struct vty *vty,
1884 struct tlv_header *tlvh)
1885 {
1886 struct te_link_subtlv_av_delay *top;
1887 uint32_t delay;
1888 uint32_t anomalous;
1889
1890 top = (struct te_link_subtlv_av_delay *)tlvh;
1891 delay = (uint32_t)ntohl(top->value) & TE_EXT_MASK;
1892 anomalous = (uint32_t)ntohl(top->value) & TE_EXT_ANORMAL;
1893
1894 if (vty != NULL)
1895 vty_out(vty, " %s Average Link Delay: %d (micro-sec)\n",
1896 anomalous ? "Anomalous" : "Normal", delay);
1897 else
1898 zlog_debug(" %s Average Link Delay: %d (micro-sec)",
1899 anomalous ? "Anomalous" : "Normal", delay);
1900
1901 return TLV_SIZE(tlvh);
1902 }
1903
1904 static uint16_t show_vty_link_subtlv_mm_delay(struct vty *vty,
1905 struct tlv_header *tlvh)
1906 {
1907 struct te_link_subtlv_mm_delay *top;
1908 uint32_t low, high;
1909 uint32_t anomalous;
1910
1911 top = (struct te_link_subtlv_mm_delay *)tlvh;
1912 low = (uint32_t)ntohl(top->low) & TE_EXT_MASK;
1913 anomalous = (uint32_t)ntohl(top->low) & TE_EXT_ANORMAL;
1914 high = (uint32_t)ntohl(top->high);
1915
1916 if (vty != NULL)
1917 vty_out(vty, " %s Min/Max Link Delay: %d/%d (micro-sec)\n",
1918 anomalous ? "Anomalous" : "Normal", low, high);
1919 else
1920 zlog_debug(" %s Min/Max Link Delay: %d/%d (micro-sec)",
1921 anomalous ? "Anomalous" : "Normal", low, high);
1922
1923 return TLV_SIZE(tlvh);
1924 }
1925
1926 static uint16_t show_vty_link_subtlv_delay_var(struct vty *vty,
1927 struct tlv_header *tlvh)
1928 {
1929 struct te_link_subtlv_delay_var *top;
1930 uint32_t jitter;
1931
1932 top = (struct te_link_subtlv_delay_var *)tlvh;
1933 jitter = (uint32_t)ntohl(top->value) & TE_EXT_MASK;
1934
1935 if (vty != NULL)
1936 vty_out(vty, " Delay Variation: %d (micro-sec)\n", jitter);
1937 else
1938 zlog_debug(" Delay Variation: %d (micro-sec)", jitter);
1939
1940 return TLV_SIZE(tlvh);
1941 }
1942
1943 static uint16_t show_vty_link_subtlv_pkt_loss(struct vty *vty,
1944 struct tlv_header *tlvh)
1945 {
1946 struct te_link_subtlv_pkt_loss *top;
1947 uint32_t loss;
1948 uint32_t anomalous;
1949 float fval;
1950
1951 top = (struct te_link_subtlv_pkt_loss *)tlvh;
1952 loss = (uint32_t)ntohl(top->value) & TE_EXT_MASK;
1953 fval = (float)(loss * LOSS_PRECISION);
1954 anomalous = (uint32_t)ntohl(top->value) & TE_EXT_ANORMAL;
1955
1956 if (vty != NULL)
1957 vty_out(vty, " %s Link Loss: %g (%%)\n",
1958 anomalous ? "Anomalous" : "Normal", fval);
1959 else
1960 zlog_debug(" %s Link Loss: %g (%%)",
1961 anomalous ? "Anomalous" : "Normal", fval);
1962
1963 return TLV_SIZE(tlvh);
1964 }
1965
1966 static uint16_t show_vty_link_subtlv_res_bw(struct vty *vty,
1967 struct tlv_header *tlvh)
1968 {
1969 struct te_link_subtlv_res_bw *top;
1970 float fval;
1971
1972 top = (struct te_link_subtlv_res_bw *)tlvh;
1973 fval = ntohf(top->value);
1974
1975 if (vty != NULL)
1976 vty_out(vty,
1977 " Unidirectional Residual Bandwidth: %g (Bytes/sec)\n",
1978 fval);
1979 else
1980 zlog_debug(
1981 " Unidirectional Residual Bandwidth: %g (Bytes/sec)",
1982 fval);
1983
1984 return TLV_SIZE(tlvh);
1985 }
1986
1987 static uint16_t show_vty_link_subtlv_ava_bw(struct vty *vty,
1988 struct tlv_header *tlvh)
1989 {
1990 struct te_link_subtlv_ava_bw *top;
1991 float fval;
1992
1993 top = (struct te_link_subtlv_ava_bw *)tlvh;
1994 fval = ntohf(top->value);
1995
1996 if (vty != NULL)
1997 vty_out(vty,
1998 " Unidirectional Available Bandwidth: %g (Bytes/sec)\n",
1999 fval);
2000 else
2001 zlog_debug(
2002 " Unidirectional Available Bandwidth: %g (Bytes/sec)",
2003 fval);
2004
2005 return TLV_SIZE(tlvh);
2006 }
2007
2008 static uint16_t show_vty_link_subtlv_use_bw(struct vty *vty,
2009 struct tlv_header *tlvh)
2010 {
2011 struct te_link_subtlv_use_bw *top;
2012 float fval;
2013
2014 top = (struct te_link_subtlv_use_bw *)tlvh;
2015 fval = ntohf(top->value);
2016
2017 if (vty != NULL)
2018 vty_out(vty,
2019 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)\n",
2020 fval);
2021 else
2022 zlog_debug(
2023 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)",
2024 fval);
2025
2026 return TLV_SIZE(tlvh);
2027 }
2028
2029 static uint16_t show_vty_unknown_tlv(struct vty *vty, struct tlv_header *tlvh)
2030 {
2031 if (vty != NULL)
2032 vty_out(vty, " Unknown TLV: [type(0x%x), length(0x%x)]\n",
2033 ntohs(tlvh->type), ntohs(tlvh->length));
2034 else
2035 zlog_debug(" Unknown TLV: [type(0x%x), length(0x%x)]",
2036 ntohs(tlvh->type), ntohs(tlvh->length));
2037
2038 return TLV_SIZE(tlvh);
2039 }
2040
2041 static uint16_t ospf_mpls_te_show_link_subtlv(struct vty *vty,
2042 struct tlv_header *tlvh0,
2043 uint16_t subtotal, uint16_t total)
2044 {
2045 struct tlv_header *tlvh;
2046 uint16_t sum = subtotal;
2047
2048 for (tlvh = tlvh0; sum < total;
2049 tlvh = TLV_HDR_NEXT(tlvh)) {
2050 switch (ntohs(tlvh->type)) {
2051 case TE_LINK_SUBTLV_LINK_TYPE:
2052 sum += show_vty_link_subtlv_link_type(vty, tlvh);
2053 break;
2054 case TE_LINK_SUBTLV_LINK_ID:
2055 sum += show_vty_link_subtlv_link_id(vty, tlvh);
2056 break;
2057 case TE_LINK_SUBTLV_LCLIF_IPADDR:
2058 sum += show_vty_link_subtlv_lclif_ipaddr(vty, tlvh);
2059 break;
2060 case TE_LINK_SUBTLV_RMTIF_IPADDR:
2061 sum += show_vty_link_subtlv_rmtif_ipaddr(vty, tlvh);
2062 break;
2063 case TE_LINK_SUBTLV_TE_METRIC:
2064 sum += show_vty_link_subtlv_te_metric(vty, tlvh);
2065 break;
2066 case TE_LINK_SUBTLV_MAX_BW:
2067 sum += show_vty_link_subtlv_max_bw(vty, tlvh);
2068 break;
2069 case TE_LINK_SUBTLV_MAX_RSV_BW:
2070 sum += show_vty_link_subtlv_max_rsv_bw(vty, tlvh);
2071 break;
2072 case TE_LINK_SUBTLV_UNRSV_BW:
2073 sum += show_vty_link_subtlv_unrsv_bw(vty, tlvh);
2074 break;
2075 case TE_LINK_SUBTLV_RSC_CLSCLR:
2076 sum += show_vty_link_subtlv_rsc_clsclr(vty, tlvh);
2077 break;
2078 case TE_LINK_SUBTLV_LRRID:
2079 sum += show_vty_link_subtlv_lrrid(vty, tlvh);
2080 break;
2081 case TE_LINK_SUBTLV_LLRI:
2082 sum += show_vty_link_subtlv_llri(vty, tlvh);
2083 break;
2084 case TE_LINK_SUBTLV_RIP:
2085 sum += show_vty_link_subtlv_rip(vty, tlvh);
2086 break;
2087 case TE_LINK_SUBTLV_RAS:
2088 sum += show_vty_link_subtlv_ras(vty, tlvh);
2089 break;
2090 case TE_LINK_SUBTLV_AV_DELAY:
2091 sum += show_vty_link_subtlv_av_delay(vty, tlvh);
2092 break;
2093 case TE_LINK_SUBTLV_MM_DELAY:
2094 sum += show_vty_link_subtlv_mm_delay(vty, tlvh);
2095 break;
2096 case TE_LINK_SUBTLV_DELAY_VAR:
2097 sum += show_vty_link_subtlv_delay_var(vty, tlvh);
2098 break;
2099 case TE_LINK_SUBTLV_PKT_LOSS:
2100 sum += show_vty_link_subtlv_pkt_loss(vty, tlvh);
2101 break;
2102 case TE_LINK_SUBTLV_RES_BW:
2103 sum += show_vty_link_subtlv_res_bw(vty, tlvh);
2104 break;
2105 case TE_LINK_SUBTLV_AVA_BW:
2106 sum += show_vty_link_subtlv_ava_bw(vty, tlvh);
2107 break;
2108 case TE_LINK_SUBTLV_USE_BW:
2109 sum += show_vty_link_subtlv_use_bw(vty, tlvh);
2110 break;
2111 default:
2112 sum += show_vty_unknown_tlv(vty, tlvh);
2113 break;
2114 }
2115 }
2116 return sum;
2117 }
2118
2119 static void ospf_mpls_te_show_info(struct vty *vty, struct ospf_lsa *lsa)
2120 {
2121 struct lsa_header *lsah = (struct lsa_header *)lsa->data;
2122 struct tlv_header *tlvh, *next;
2123 uint16_t sum, total;
2124 uint16_t (*subfunc)(struct vty * vty, struct tlv_header * tlvh,
2125 uint16_t subtotal, uint16_t total) = NULL;
2126
2127 sum = 0;
2128 total = ntohs(lsah->length) - OSPF_LSA_HEADER_SIZE;
2129
2130 for (tlvh = TLV_HDR_TOP(lsah); sum < total;
2131 tlvh = (next ? next : TLV_HDR_NEXT(tlvh))) {
2132 if (subfunc != NULL) {
2133 sum = (*subfunc)(vty, tlvh, sum, total);
2134 next = (struct tlv_header *)((char *)tlvh + sum);
2135 subfunc = NULL;
2136 continue;
2137 }
2138
2139 next = NULL;
2140 switch (ntohs(tlvh->type)) {
2141 case TE_TLV_ROUTER_ADDR:
2142 sum += show_vty_router_addr(vty, tlvh);
2143 break;
2144 case TE_TLV_LINK:
2145 sum += show_vty_link_header(vty, tlvh);
2146 subfunc = ospf_mpls_te_show_link_subtlv;
2147 next = TLV_DATA(tlvh);
2148 break;
2149 default:
2150 sum += show_vty_unknown_tlv(vty, tlvh);
2151 break;
2152 }
2153 }
2154 return;
2155 }
2156
2157 static void ospf_mpls_te_config_write_router(struct vty *vty)
2158 {
2159
2160 if (OspfMplsTE.enabled) {
2161 vty_out(vty, " mpls-te on\n");
2162 vty_out(vty, " mpls-te router-address %s\n",
2163 inet_ntoa(OspfMplsTE.router_addr.value));
2164 }
2165
2166 if (OspfMplsTE.inter_as == AS)
2167 vty_out(vty, " mpls-te inter-as as\n");
2168 if (OspfMplsTE.inter_as == Area)
2169 vty_out(vty, " mpls-te inter-as area %s \n",
2170 inet_ntoa(OspfMplsTE.interas_areaid));
2171
2172 return;
2173 }
2174
2175 /*------------------------------------------------------------------------*
2176 * Followings are vty command functions.
2177 *------------------------------------------------------------------------*/
2178
2179 DEFUN (ospf_mpls_te_on,
2180 ospf_mpls_te_on_cmd,
2181 "mpls-te on",
2182 MPLS_TE_STR
2183 "Enable the MPLS-TE functionality\n")
2184 {
2185 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
2186 struct listnode *node;
2187 struct mpls_te_link *lp;
2188
2189 if (OspfMplsTE.enabled)
2190 return CMD_SUCCESS;
2191
2192 if (IS_DEBUG_OSPF_EVENT)
2193 zlog_debug("MPLS-TE: OFF -> ON");
2194
2195 OspfMplsTE.enabled = true;
2196
2197 /* Reoriginate RFC3630 & RFC6827 Links */
2198 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule,
2199 REORIGINATE_THIS_LSA);
2200
2201 /* Reoriginate LSA if INTER-AS is always on */
2202 if (OspfMplsTE.inter_as != Off) {
2203 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp)) {
2204 if (IS_INTER_AS(lp->type)) {
2205 ospf_mpls_te_lsa_schedule(lp,
2206 REORIGINATE_THIS_LSA);
2207 }
2208 }
2209 }
2210
2211 return CMD_SUCCESS;
2212 }
2213
2214 DEFUN (no_ospf_mpls_te,
2215 no_ospf_mpls_te_cmd,
2216 "no mpls-te [on]",
2217 NO_STR
2218 MPLS_TE_STR
2219 "Disable the MPLS-TE functionality\n")
2220 {
2221 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
2222 struct listnode *node, *nnode;
2223 struct mpls_te_link *lp;
2224
2225 if (!OspfMplsTE.enabled)
2226 return CMD_SUCCESS;
2227
2228 if (IS_DEBUG_OSPF_EVENT)
2229 zlog_debug("MPLS-TE: ON -> OFF");
2230
2231 OspfMplsTE.enabled = false;
2232
2233 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
2234 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
2235 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
2236
2237 return CMD_SUCCESS;
2238 }
2239
2240
2241 DEFUN (ospf_mpls_te_router_addr,
2242 ospf_mpls_te_router_addr_cmd,
2243 "mpls-te router-address A.B.C.D",
2244 MPLS_TE_STR
2245 "Stable IP address of the advertising router\n"
2246 "MPLS-TE router address in IPv4 address format\n")
2247 {
2248 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
2249 int idx_ipv4 = 2;
2250 struct te_tlv_router_addr *ra = &OspfMplsTE.router_addr;
2251 struct in_addr value;
2252
2253 if (!inet_aton(argv[idx_ipv4]->arg, &value)) {
2254 vty_out(vty, "Please specify Router-Addr by A.B.C.D\n");
2255 return CMD_WARNING;
2256 }
2257
2258 if (ntohs(ra->header.type) == 0
2259 || ntohl(ra->value.s_addr) != ntohl(value.s_addr)) {
2260 struct listnode *node, *nnode;
2261 struct mpls_te_link *lp;
2262 int need_to_reoriginate = 0;
2263
2264 set_mpls_te_router_addr(value);
2265
2266 if (!OspfMplsTE.enabled)
2267 return CMD_SUCCESS;
2268
2269 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
2270 if ((lp->area == NULL) || IS_FLOOD_AS(lp->type))
2271 continue;
2272
2273 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
2274 need_to_reoriginate = 1;
2275 break;
2276 }
2277 }
2278
2279 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
2280 if ((lp->area == NULL) || IS_FLOOD_AS(lp->type))
2281 continue;
2282
2283 if (need_to_reoriginate)
2284 SET_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH);
2285 else
2286 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
2287 }
2288
2289 if (need_to_reoriginate)
2290 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule,
2291 REORIGINATE_THIS_LSA);
2292 }
2293
2294 return CMD_SUCCESS;
2295 }
2296
2297 static int set_inter_as_mode(struct vty *vty, const char *mode_name,
2298 const char *area_id)
2299 {
2300 enum inter_as_mode mode;
2301 struct listnode *node;
2302 struct mpls_te_link *lp;
2303 int format;
2304
2305 if (OspfMplsTE.enabled) {
2306
2307 /* Read and Check inter_as mode */
2308 if (strcmp(mode_name, "as") == 0)
2309 mode = AS;
2310 else if (strcmp(mode_name, "area") == 0) {
2311 mode = Area;
2312 VTY_GET_OSPF_AREA_ID(OspfMplsTE.interas_areaid, format,
2313 area_id);
2314 } else {
2315 vty_out(vty,
2316 "Unknown mode. Please choose between as or area\n");
2317 return CMD_WARNING;
2318 }
2319
2320 if (IS_DEBUG_OSPF_EVENT)
2321 zlog_debug(
2322 "MPLS-TE: Inter-AS enable with %s flooding support",
2323 mode2text[mode]);
2324
2325 /* Register new callbacks regarding the flooding scope (AS or
2326 * Area) */
2327 if (ospf_mpls_te_register(mode) < 0) {
2328 vty_out(vty,
2329 "Internal error: Unable to register Inter-AS functions\n");
2330 return CMD_WARNING;
2331 }
2332
2333 /* Enable mode and re-originate LSA if needed */
2334 if ((OspfMplsTE.inter_as == Off)
2335 && (mode != OspfMplsTE.inter_as)) {
2336 OspfMplsTE.inter_as = mode;
2337 /* Re-originate all InterAS-TEv2 LSA */
2338 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node,
2339 lp)) {
2340 if (IS_INTER_AS(lp->type)) {
2341 if (mode == AS)
2342 lp->type |= FLOOD_AS;
2343 else
2344 lp->type |= FLOOD_AREA;
2345 ospf_mpls_te_lsa_schedule(
2346 lp, REORIGINATE_THIS_LSA);
2347 }
2348 }
2349 } else {
2350 vty_out(vty,
2351 "Please change Inter-AS support to disable first before going to mode %s\n",
2352 mode2text[mode]);
2353 return CMD_WARNING;
2354 }
2355 } else {
2356 vty_out(vty, "mpls-te has not been turned on\n");
2357 return CMD_WARNING;
2358 }
2359 return CMD_SUCCESS;
2360 }
2361
2362
2363 DEFUN (ospf_mpls_te_inter_as_as,
2364 ospf_mpls_te_inter_as_cmd,
2365 "mpls-te inter-as as",
2366 MPLS_TE_STR
2367 "Configure MPLS-TE Inter-AS support\n"
2368 "AS native mode self originate INTER_AS LSA with Type 11 (as flooding scope)\n")
2369 {
2370 return set_inter_as_mode(vty, "as", "");
2371 }
2372
2373 DEFUN (ospf_mpls_te_inter_as_area,
2374 ospf_mpls_te_inter_as_area_cmd,
2375 "mpls-te inter-as area <A.B.C.D|(0-4294967295)>",
2376 MPLS_TE_STR
2377 "Configure MPLS-TE Inter-AS support\n"
2378 "AREA native mode self originate INTER_AS LSA with Type 10 (area flooding scope)\n"
2379 "OSPF area ID in IP format\n"
2380 "OSPF area ID as decimal value\n")
2381 {
2382 int idx_ipv4_number = 3;
2383 return set_inter_as_mode(vty, "area", argv[idx_ipv4_number]->arg);
2384 }
2385
2386 DEFUN (no_ospf_mpls_te_inter_as,
2387 no_ospf_mpls_te_inter_as_cmd,
2388 "no mpls-te inter-as",
2389 NO_STR
2390 MPLS_TE_STR
2391 "Disable MPLS-TE Inter-AS support\n")
2392 {
2393
2394 struct listnode *node, *nnode;
2395 struct mpls_te_link *lp;
2396
2397 if (IS_DEBUG_OSPF_EVENT)
2398 zlog_debug("MPLS-TE: Inter-AS support OFF");
2399
2400 if ((OspfMplsTE.enabled) && (OspfMplsTE.inter_as != Off)) {
2401 /* Flush all Inter-AS LSA */
2402 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
2403 if (IS_INTER_AS(lp->type)
2404 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
2405 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
2406
2407 /* Deregister the Callbacks for Inter-AS support */
2408 ospf_mpls_te_unregister();
2409 OspfMplsTE.inter_as = Off;
2410 }
2411
2412 return CMD_SUCCESS;
2413 }
2414
2415 DEFUN (show_ip_ospf_mpls_te_router,
2416 show_ip_ospf_mpls_te_router_cmd,
2417 "show ip ospf mpls-te router",
2418 SHOW_STR
2419 IP_STR
2420 OSPF_STR
2421 "MPLS-TE information\n"
2422 "MPLS-TE Router parameters\n")
2423 {
2424 if (OspfMplsTE.enabled) {
2425 vty_out(vty, "--- MPLS-TE router parameters ---\n");
2426
2427 if (ntohs(OspfMplsTE.router_addr.header.type) != 0)
2428 show_vty_router_addr(vty,
2429 &OspfMplsTE.router_addr.header);
2430 else
2431 vty_out(vty, " N/A\n");
2432 }
2433 return CMD_SUCCESS;
2434 }
2435
2436 static void show_mpls_te_link_sub(struct vty *vty, struct interface *ifp)
2437 {
2438 struct mpls_te_link *lp;
2439
2440 if ((OspfMplsTE.enabled) && HAS_LINK_PARAMS(ifp) && !if_is_loopback(ifp)
2441 && if_is_up(ifp)
2442 && ((lp = lookup_linkparams_by_ifp(ifp)) != NULL)) {
2443 /* Continue only if interface is not passive or support Inter-AS
2444 * TEv2 */
2445 if (!(ospf_oi_count(ifp) > 0)) {
2446 if (IS_INTER_AS(lp->type)) {
2447 vty_out(vty,
2448 "-- Inter-AS TEv2 link parameters for %s --\n",
2449 ifp->name);
2450 } else {
2451 /* MPLS-TE is not activate on this interface */
2452 /* or this interface is passive and Inter-AS
2453 * TEv2 is not activate */
2454 vty_out(vty,
2455 " %s: MPLS-TE is disabled on this interface\n",
2456 ifp->name);
2457 return;
2458 }
2459 } else {
2460 vty_out(vty, "-- MPLS-TE link parameters for %s --\n",
2461 ifp->name);
2462 }
2463
2464 if (TLV_TYPE(lp->link_type) != 0)
2465 show_vty_link_subtlv_link_type(vty,
2466 &lp->link_type.header);
2467 if (TLV_TYPE(lp->link_id) != 0)
2468 show_vty_link_subtlv_link_id(vty, &lp->link_id.header);
2469 if (TLV_TYPE(lp->lclif_ipaddr) != 0)
2470 show_vty_link_subtlv_lclif_ipaddr(
2471 vty, &lp->lclif_ipaddr.header);
2472 if (TLV_TYPE(lp->rmtif_ipaddr) != 0)
2473 show_vty_link_subtlv_rmtif_ipaddr(
2474 vty, &lp->rmtif_ipaddr.header);
2475 if (TLV_TYPE(lp->rip) != 0)
2476 show_vty_link_subtlv_rip(vty, &lp->rip.header);
2477 if (TLV_TYPE(lp->ras) != 0)
2478 show_vty_link_subtlv_ras(vty, &lp->ras.header);
2479 if (TLV_TYPE(lp->te_metric) != 0)
2480 show_vty_link_subtlv_te_metric(vty,
2481 &lp->te_metric.header);
2482 if (TLV_TYPE(lp->max_bw) != 0)
2483 show_vty_link_subtlv_max_bw(vty, &lp->max_bw.header);
2484 if (TLV_TYPE(lp->max_rsv_bw) != 0)
2485 show_vty_link_subtlv_max_rsv_bw(vty,
2486 &lp->max_rsv_bw.header);
2487 if (TLV_TYPE(lp->unrsv_bw) != 0)
2488 show_vty_link_subtlv_unrsv_bw(vty,
2489 &lp->unrsv_bw.header);
2490 if (TLV_TYPE(lp->rsc_clsclr) != 0)
2491 show_vty_link_subtlv_rsc_clsclr(vty,
2492 &lp->rsc_clsclr.header);
2493 if (TLV_TYPE(lp->av_delay) != 0)
2494 show_vty_link_subtlv_av_delay(vty,
2495 &lp->av_delay.header);
2496 if (TLV_TYPE(lp->mm_delay) != 0)
2497 show_vty_link_subtlv_mm_delay(vty,
2498 &lp->mm_delay.header);
2499 if (TLV_TYPE(lp->delay_var) != 0)
2500 show_vty_link_subtlv_delay_var(vty,
2501 &lp->delay_var.header);
2502 if (TLV_TYPE(lp->pkt_loss) != 0)
2503 show_vty_link_subtlv_pkt_loss(vty,
2504 &lp->pkt_loss.header);
2505 if (TLV_TYPE(lp->res_bw) != 0)
2506 show_vty_link_subtlv_res_bw(vty, &lp->res_bw.header);
2507 if (TLV_TYPE(lp->ava_bw) != 0)
2508 show_vty_link_subtlv_ava_bw(vty, &lp->ava_bw.header);
2509 if (TLV_TYPE(lp->use_bw) != 0)
2510 show_vty_link_subtlv_use_bw(vty, &lp->use_bw.header);
2511 vty_out(vty, "---------------\n\n");
2512 } else {
2513 vty_out(vty, " %s: MPLS-TE is disabled on this interface\n",
2514 ifp->name);
2515 }
2516
2517 return;
2518 }
2519
2520 DEFUN (show_ip_ospf_mpls_te_link,
2521 show_ip_ospf_mpls_te_link_cmd,
2522 "show ip ospf [vrf <NAME|all>] mpls-te interface [INTERFACE]",
2523 SHOW_STR
2524 IP_STR
2525 OSPF_STR
2526 VRF_CMD_HELP_STR
2527 "All VRFs\n"
2528 "MPLS-TE information\n"
2529 "Interface information\n"
2530 "Interface name\n")
2531 {
2532 struct vrf *vrf;
2533 int idx_interface = 0;
2534 struct interface *ifp = NULL;
2535 struct listnode *node;
2536 char *vrf_name = NULL;
2537 bool all_vrf;
2538 int inst = 0;
2539 int idx_vrf = 0;
2540 struct ospf *ospf = NULL;
2541
2542 if (argv_find(argv, argc, "vrf", &idx_vrf)) {
2543 vrf_name = argv[idx_vrf + 1]->arg;
2544 all_vrf = strmatch(vrf_name, "all");
2545 }
2546 argv_find(argv, argc, "INTERFACE", &idx_interface);
2547 /* vrf input is provided could be all or specific vrf*/
2548 if (vrf_name) {
2549 if (all_vrf) {
2550 for (ALL_LIST_ELEMENTS_RO(om->ospf, node, ospf)) {
2551 if (!ospf->oi_running)
2552 continue;
2553 vrf = vrf_lookup_by_id(ospf->vrf_id);
2554 FOR_ALL_INTERFACES (vrf, ifp)
2555 show_mpls_te_link_sub(vty, ifp);
2556 }
2557 return CMD_SUCCESS;
2558 }
2559 ospf = ospf_lookup_by_inst_name(inst, vrf_name);
2560 } else
2561 ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT);
2562 if (ospf == NULL || !ospf->oi_running)
2563 return CMD_SUCCESS;
2564
2565 vrf = vrf_lookup_by_id(ospf->vrf_id);
2566 if (!vrf)
2567 return CMD_SUCCESS;
2568 if (idx_interface) {
2569 ifp = if_lookup_by_name(
2570 argv[idx_interface]->arg,
2571 ospf->vrf_id);
2572 if (ifp == NULL) {
2573 vty_out(vty, "No such interface name in vrf %s\n",
2574 vrf->name);
2575 return CMD_SUCCESS;
2576 }
2577 }
2578 if (!ifp) {
2579 FOR_ALL_INTERFACES (vrf, ifp)
2580 show_mpls_te_link_sub(vty, ifp);
2581 return CMD_SUCCESS;
2582 }
2583
2584 show_mpls_te_link_sub(vty, ifp);
2585 return CMD_SUCCESS;
2586 }
2587
2588 static void ospf_mpls_te_register_vty(void)
2589 {
2590 install_element(VIEW_NODE, &show_ip_ospf_mpls_te_router_cmd);
2591 install_element(VIEW_NODE, &show_ip_ospf_mpls_te_link_cmd);
2592
2593 install_element(OSPF_NODE, &ospf_mpls_te_on_cmd);
2594 install_element(OSPF_NODE, &no_ospf_mpls_te_cmd);
2595 install_element(OSPF_NODE, &ospf_mpls_te_router_addr_cmd);
2596 install_element(OSPF_NODE, &ospf_mpls_te_inter_as_cmd);
2597 install_element(OSPF_NODE, &ospf_mpls_te_inter_as_area_cmd);
2598 install_element(OSPF_NODE, &no_ospf_mpls_te_inter_as_cmd);
2599
2600 return;
2601 }
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