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Merge pull request #1078 from dwalton76/ospfd-network-cmd-warning
[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
65 /*
66 * Global variable to manage Opaque-LSA/MPLS-TE on this node.
67 * Note that all parameter values are stored in network byte order.
68 */
69 struct ospf_mpls_te OspfMplsTE;
70
71 const char *mode2text[] = {"Off", "AS", "Area"};
72
73 /*------------------------------------------------------------------------*
74 * Followings are initialize/terminate functions for MPLS-TE handling.
75 *------------------------------------------------------------------------*/
76
77 static int ospf_mpls_te_new_if(struct interface *ifp);
78 static int ospf_mpls_te_del_if(struct interface *ifp);
79 static void ospf_mpls_te_ism_change(struct ospf_interface *oi, int old_status);
80 static void ospf_mpls_te_nsm_change(struct ospf_neighbor *nbr, int old_status);
81 static void ospf_mpls_te_config_write_router(struct vty *vty);
82 static void ospf_mpls_te_show_info(struct vty *vty, struct ospf_lsa *lsa);
83 static int ospf_mpls_te_lsa_originate_area(void *arg);
84 static int ospf_mpls_te_lsa_originate_as(void *arg);
85 static struct ospf_lsa *ospf_mpls_te_lsa_refresh(struct ospf_lsa *lsa);
86
87 static void del_mpls_te_link(void *val);
88 static void ospf_mpls_te_register_vty(void);
89
90 int ospf_mpls_te_init(void)
91 {
92 int rc;
93
94 rc = ospf_register_opaque_functab(
95 OSPF_OPAQUE_AREA_LSA, OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA,
96 ospf_mpls_te_new_if, ospf_mpls_te_del_if,
97 ospf_mpls_te_ism_change, ospf_mpls_te_nsm_change,
98 ospf_mpls_te_config_write_router,
99 NULL, /*ospf_mpls_te_config_write_if */
100 NULL, /* ospf_mpls_te_config_write_debug */
101 ospf_mpls_te_show_info, ospf_mpls_te_lsa_originate_area,
102 ospf_mpls_te_lsa_refresh, NULL, /* ospf_mpls_te_new_lsa_hook */
103 NULL /* ospf_mpls_te_del_lsa_hook */);
104 if (rc != 0) {
105 zlog_warn(
106 "ospf_mpls_te_init: Failed to register Traffic Engineering functions");
107 return rc;
108 }
109
110 memset(&OspfMplsTE, 0, sizeof(struct ospf_mpls_te));
111 OspfMplsTE.enabled = false;
112 OspfMplsTE.inter_as = Off;
113 OspfMplsTE.iflist = list_new();
114 OspfMplsTE.iflist->del = del_mpls_te_link;
115
116 ospf_mpls_te_register_vty();
117
118 return rc;
119 }
120
121 /* Additional register for RFC5392 support */
122 static int ospf_mpls_te_register(enum inter_as_mode mode)
123 {
124 int rc = 0;
125 u_int8_t scope;
126
127 if (OspfMplsTE.inter_as != Off)
128 return rc;
129
130 if (mode == AS)
131 scope = OSPF_OPAQUE_AS_LSA;
132 else
133 scope = OSPF_OPAQUE_AREA_LSA;
134
135 rc = ospf_register_opaque_functab(scope, OPAQUE_TYPE_INTER_AS_LSA, NULL,
136 NULL, NULL, NULL, NULL, NULL, NULL,
137 ospf_mpls_te_show_info,
138 ospf_mpls_te_lsa_originate_as,
139 ospf_mpls_te_lsa_refresh, NULL, NULL);
140
141 if (rc != 0) {
142 zlog_warn(
143 "ospf_router_info_init: Failed to register Inter-AS functions");
144 return rc;
145 }
146
147 return rc;
148 }
149
150 static int ospf_mpls_te_unregister()
151 {
152 u_int8_t scope;
153
154 if (OspfMplsTE.inter_as == Off)
155 return 0;
156
157 if (OspfMplsTE.inter_as == AS)
158 scope = OSPF_OPAQUE_AS_LSA;
159 else
160 scope = OSPF_OPAQUE_AREA_LSA;
161
162 ospf_delete_opaque_functab(scope, OPAQUE_TYPE_INTER_AS_LSA);
163
164 return 0;
165 }
166
167 void ospf_mpls_te_term(void)
168 {
169 list_delete(OspfMplsTE.iflist);
170 OspfMplsTE.iflist = NULL;
171
172 ospf_delete_opaque_functab(OSPF_OPAQUE_AREA_LSA,
173 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA);
174 OspfMplsTE.enabled = false;
175
176 ospf_mpls_te_unregister();
177 OspfMplsTE.inter_as = Off;
178
179 return;
180 }
181
182 /*------------------------------------------------------------------------*
183 * Followings are control functions for MPLS-TE parameters management.
184 *------------------------------------------------------------------------*/
185
186 static void del_mpls_te_link(void *val)
187 {
188 XFREE(MTYPE_OSPF_MPLS_TE, val);
189 return;
190 }
191
192 static u_int32_t get_mpls_te_instance_value(void)
193 {
194 static u_int32_t seqno = 0;
195
196 if (seqno < MAX_LEGAL_TE_INSTANCE_NUM)
197 seqno += 1;
198 else
199 seqno = 1; /* Avoid zero. */
200
201 return seqno;
202 }
203
204 static struct mpls_te_link *lookup_linkparams_by_ifp(struct interface *ifp)
205 {
206 struct listnode *node, *nnode;
207 struct mpls_te_link *lp;
208
209 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
210 if (lp->ifp == ifp)
211 return lp;
212
213 return NULL;
214 }
215
216 static struct mpls_te_link *lookup_linkparams_by_instance(struct ospf_lsa *lsa)
217 {
218 struct listnode *node;
219 struct mpls_te_link *lp;
220 unsigned int key = GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr));
221
222 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp))
223 if (lp->instance == key)
224 return lp;
225
226 zlog_warn("lookup_linkparams_by_instance: Entry not found: key(%x)",
227 key);
228 return NULL;
229 }
230
231 static void ospf_mpls_te_foreach_area(void (*func)(struct mpls_te_link *lp,
232 enum lsa_opcode sched_opcode),
233 enum lsa_opcode sched_opcode)
234 {
235 struct listnode *node, *nnode;
236 struct listnode *node2;
237 struct mpls_te_link *lp;
238 struct ospf_area *area;
239
240 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
241 /* Skip Inter-AS TEv2 Links */
242 if (IS_INTER_AS(lp->type))
243 continue;
244 if ((area = lp->area) == NULL)
245 continue;
246 if (CHECK_FLAG(lp->flags, LPFLG_LOOKUP_DONE))
247 continue;
248
249 if (func != NULL)
250 (*func)(lp, sched_opcode);
251
252 for (node2 = listnextnode(node); node2;
253 node2 = listnextnode(node2))
254 if ((lp = listgetdata(node2)) != NULL)
255 if (lp->area != NULL)
256 if (IPV4_ADDR_SAME(&lp->area->area_id,
257 &area->area_id))
258 SET_FLAG(lp->flags,
259 LPFLG_LOOKUP_DONE);
260 }
261
262 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp))
263 if (lp->area != NULL)
264 UNSET_FLAG(lp->flags, LPFLG_LOOKUP_DONE);
265
266 return;
267 }
268
269 static void set_mpls_te_router_addr(struct in_addr ipv4)
270 {
271 OspfMplsTE.router_addr.header.type = htons(TE_TLV_ROUTER_ADDR);
272 OspfMplsTE.router_addr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
273 OspfMplsTE.router_addr.value = ipv4;
274 return;
275 }
276
277 static void set_linkparams_link_header(struct mpls_te_link *lp)
278 {
279 u_int16_t length = 0;
280
281 /* TE_LINK_SUBTLV_LINK_TYPE */
282 if (ntohs(lp->link_type.header.type) != 0)
283 length += TLV_SIZE(&lp->link_type.header);
284
285 /* TE_LINK_SUBTLV_LINK_ID */
286 if (ntohs(lp->link_id.header.type) != 0)
287 length += TLV_SIZE(&lp->link_id.header);
288
289 /* TE_LINK_SUBTLV_LCLIF_IPADDR */
290 if (lp->lclif_ipaddr.header.type != 0)
291 length += TLV_SIZE(&lp->lclif_ipaddr.header);
292
293 /* TE_LINK_SUBTLV_RMTIF_IPADDR */
294 if (lp->rmtif_ipaddr.header.type != 0)
295 length += TLV_SIZE(&lp->rmtif_ipaddr.header);
296
297 /* TE_LINK_SUBTLV_TE_METRIC */
298 if (ntohs(lp->te_metric.header.type) != 0)
299 length += TLV_SIZE(&lp->te_metric.header);
300
301 /* TE_LINK_SUBTLV_MAX_BW */
302 if (ntohs(lp->max_bw.header.type) != 0)
303 length += TLV_SIZE(&lp->max_bw.header);
304
305 /* TE_LINK_SUBTLV_MAX_RSV_BW */
306 if (ntohs(lp->max_rsv_bw.header.type) != 0)
307 length += TLV_SIZE(&lp->max_rsv_bw.header);
308
309 /* TE_LINK_SUBTLV_UNRSV_BW */
310 if (ntohs(lp->unrsv_bw.header.type) != 0)
311 length += TLV_SIZE(&lp->unrsv_bw.header);
312
313 /* TE_LINK_SUBTLV_RSC_CLSCLR */
314 if (ntohs(lp->rsc_clsclr.header.type) != 0)
315 length += TLV_SIZE(&lp->rsc_clsclr.header);
316
317 /* TE_LINK_SUBTLV_LLRI */
318 if (ntohs(lp->llri.header.type) != 0)
319 length += TLV_SIZE(&lp->llri.header);
320
321 /* TE_LINK_SUBTLV_RIP */
322 if (ntohs(lp->rip.header.type) != 0)
323 length += TLV_SIZE(&lp->rip.header);
324
325 /* TE_LINK_SUBTLV_RAS */
326 if (ntohs(lp->ras.header.type) != 0)
327 length += TLV_SIZE(&lp->ras.header);
328
329 /* TE_LINK_SUBTLV_LRRID */
330 if (ntohs(lp->lrrid.header.type) != 0)
331 length += TLV_SIZE(&lp->lrrid.header);
332
333 /* TE_LINK_SUBTLV_AV_DELAY */
334 if (ntohs(lp->av_delay.header.type) != 0)
335 length += TLV_SIZE(&lp->av_delay.header);
336
337 /* TE_LINK_SUBTLV_MM_DELAY */
338 if (ntohs(lp->mm_delay.header.type) != 0)
339 length += TLV_SIZE(&lp->mm_delay.header);
340
341 /* TE_LINK_SUBTLV_DELAY_VAR */
342 if (ntohs(lp->delay_var.header.type) != 0)
343 length += TLV_SIZE(&lp->delay_var.header);
344
345 /* TE_LINK_SUBTLV_PKT_LOSS */
346 if (ntohs(lp->pkt_loss.header.type) != 0)
347 length += TLV_SIZE(&lp->pkt_loss.header);
348
349 /* TE_LINK_SUBTLV_RES_BW */
350 if (ntohs(lp->res_bw.header.type) != 0)
351 length += TLV_SIZE(&lp->res_bw.header);
352
353 /* TE_LINK_SUBTLV_AVA_BW */
354 if (ntohs(lp->ava_bw.header.type) != 0)
355 length += TLV_SIZE(&lp->ava_bw.header);
356
357 /* TE_LINK_SUBTLV_USE_BW */
358 if (ntohs(lp->use_bw.header.type) != 0)
359 length += TLV_SIZE(&lp->use_bw.header);
360
361 lp->link_header.header.type = htons(TE_TLV_LINK);
362 lp->link_header.header.length = htons(length);
363
364 return;
365 }
366
367 static void set_linkparams_link_type(struct ospf_interface *oi,
368 struct mpls_te_link *lp)
369 {
370 lp->link_type.header.type = htons(TE_LINK_SUBTLV_LINK_TYPE);
371 lp->link_type.header.length = htons(TE_LINK_SUBTLV_TYPE_SIZE);
372
373 switch (oi->type) {
374 case OSPF_IFTYPE_POINTOPOINT:
375 lp->link_type.link_type.value = LINK_TYPE_SUBTLV_VALUE_PTP;
376 break;
377 case OSPF_IFTYPE_BROADCAST:
378 case OSPF_IFTYPE_NBMA:
379 lp->link_type.link_type.value = LINK_TYPE_SUBTLV_VALUE_MA;
380 break;
381 default:
382 /* Not supported yet. */ /* XXX */
383 lp->link_type.header.type = htons(0);
384 break;
385 }
386 return;
387 }
388
389 static void set_linkparams_link_id(struct ospf_interface *oi,
390 struct mpls_te_link *lp)
391 {
392 struct ospf_neighbor *nbr;
393 int done = 0;
394
395 lp->link_id.header.type = htons(TE_LINK_SUBTLV_LINK_ID);
396 lp->link_id.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
397
398 /*
399 * The Link ID is identical to the contents of the Link ID field
400 * in the Router LSA for these link types.
401 */
402 switch (oi->type) {
403 case OSPF_IFTYPE_POINTOPOINT:
404 /* Take the router ID of the neighbor. */
405 if ((nbr = ospf_nbr_lookup_ptop(oi))
406 && nbr->state == NSM_Full) {
407 lp->link_id.value = nbr->router_id;
408 done = 1;
409 }
410 break;
411 case OSPF_IFTYPE_BROADCAST:
412 case OSPF_IFTYPE_NBMA:
413 /* Take the interface address of the designated router. */
414 if ((nbr = ospf_nbr_lookup_by_addr(oi->nbrs, &DR(oi))) == NULL)
415 break;
416
417 if (nbr->state == NSM_Full
418 || (IPV4_ADDR_SAME(&oi->address->u.prefix4, &DR(oi))
419 && ospf_nbr_count(oi, NSM_Full) > 0)) {
420 lp->link_id.value = DR(oi);
421 done = 1;
422 }
423 break;
424 default:
425 /* Not supported yet. */ /* XXX */
426 lp->link_id.header.type = htons(0);
427 break;
428 }
429
430 if (!done) {
431 struct in_addr mask;
432 masklen2ip(oi->address->prefixlen, &mask);
433 lp->link_id.value.s_addr =
434 oi->address->u.prefix4.s_addr & mask.s_addr;
435 }
436 return;
437 }
438
439 static void set_linkparams_lclif_ipaddr(struct mpls_te_link *lp,
440 struct in_addr lclif)
441 {
442
443 lp->lclif_ipaddr.header.type = htons(TE_LINK_SUBTLV_LCLIF_IPADDR);
444 lp->lclif_ipaddr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
445 lp->lclif_ipaddr.value[0] = lclif;
446 return;
447 }
448
449 static void set_linkparams_rmtif_ipaddr(struct mpls_te_link *lp,
450 struct in_addr rmtif)
451 {
452
453 lp->rmtif_ipaddr.header.type = htons(TE_LINK_SUBTLV_RMTIF_IPADDR);
454 lp->rmtif_ipaddr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
455 lp->rmtif_ipaddr.value[0] = rmtif;
456 return;
457 }
458
459 static void set_linkparams_te_metric(struct mpls_te_link *lp,
460 u_int32_t te_metric)
461 {
462 lp->te_metric.header.type = htons(TE_LINK_SUBTLV_TE_METRIC);
463 lp->te_metric.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
464 lp->te_metric.value = htonl(te_metric);
465 return;
466 }
467
468 static void set_linkparams_max_bw(struct mpls_te_link *lp, float fp)
469 {
470 lp->max_bw.header.type = htons(TE_LINK_SUBTLV_MAX_BW);
471 lp->max_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
472 lp->max_bw.value = htonf(fp);
473 return;
474 }
475
476 static void set_linkparams_max_rsv_bw(struct mpls_te_link *lp, float fp)
477 {
478 lp->max_rsv_bw.header.type = htons(TE_LINK_SUBTLV_MAX_RSV_BW);
479 lp->max_rsv_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
480 lp->max_rsv_bw.value = htonf(fp);
481 return;
482 }
483
484 static void set_linkparams_unrsv_bw(struct mpls_te_link *lp, int priority,
485 float fp)
486 {
487 /* Note that TLV-length field is the size of array. */
488 lp->unrsv_bw.header.type = htons(TE_LINK_SUBTLV_UNRSV_BW);
489 lp->unrsv_bw.header.length = htons(TE_LINK_SUBTLV_UNRSV_SIZE);
490 lp->unrsv_bw.value[priority] = htonf(fp);
491 return;
492 }
493
494 static void set_linkparams_rsc_clsclr(struct mpls_te_link *lp,
495 u_int32_t classcolor)
496 {
497 lp->rsc_clsclr.header.type = htons(TE_LINK_SUBTLV_RSC_CLSCLR);
498 lp->rsc_clsclr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
499 lp->rsc_clsclr.value = htonl(classcolor);
500 return;
501 }
502
503 static void set_linkparams_inter_as(struct mpls_te_link *lp,
504 struct in_addr addr, u_int32_t as)
505 {
506
507 /* Set the Remote ASBR IP address and then the associated AS number */
508 lp->rip.header.type = htons(TE_LINK_SUBTLV_RIP);
509 lp->rip.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
510 lp->rip.value = addr;
511
512 lp->ras.header.type = htons(TE_LINK_SUBTLV_RAS);
513 lp->ras.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
514 lp->ras.value = htonl(as);
515 }
516
517 static void unset_linkparams_inter_as(struct mpls_te_link *lp)
518 {
519
520 /* Reset the Remote ASBR IP address and then the associated AS number */
521 lp->rip.header.type = htons(0);
522 lp->rip.header.length = htons(0);
523 lp->rip.value.s_addr = htonl(0);
524
525 lp->ras.header.type = htons(0);
526 lp->ras.header.length = htons(0);
527 lp->ras.value = htonl(0);
528 }
529
530 void set_linkparams_llri(struct mpls_te_link *lp, u_int32_t local,
531 u_int32_t remote)
532 {
533
534 lp->llri.header.type = htons(TE_LINK_SUBTLV_LLRI);
535 lp->llri.header.length = htons(TE_LINK_SUBTLV_LLRI_SIZE);
536 lp->llri.local = htonl(local);
537 lp->llri.remote = htonl(remote);
538 }
539
540 void set_linkparams_lrrid(struct mpls_te_link *lp, struct in_addr local,
541 struct in_addr remote)
542 {
543
544 lp->lrrid.header.type = htons(TE_LINK_SUBTLV_LRRID);
545 lp->lrrid.header.length = htons(TE_LINK_SUBTLV_LRRID_SIZE);
546 lp->lrrid.local.s_addr = local.s_addr;
547 lp->lrrid.remote.s_addr = remote.s_addr;
548 }
549
550 static void set_linkparams_av_delay(struct mpls_te_link *lp, u_int32_t delay,
551 u_char anormal)
552 {
553 u_int32_t tmp;
554 /* Note that TLV-length field is the size of array. */
555 lp->av_delay.header.type = htons(TE_LINK_SUBTLV_AV_DELAY);
556 lp->av_delay.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
557 tmp = delay & TE_EXT_MASK;
558 if (anormal)
559 tmp |= TE_EXT_ANORMAL;
560 lp->av_delay.value = htonl(tmp);
561 return;
562 }
563
564 static void set_linkparams_mm_delay(struct mpls_te_link *lp, u_int32_t low,
565 u_int32_t high, u_char anormal)
566 {
567 u_int32_t tmp;
568 /* Note that TLV-length field is the size of array. */
569 lp->mm_delay.header.type = htons(TE_LINK_SUBTLV_MM_DELAY);
570 lp->mm_delay.header.length = htons(TE_LINK_SUBTLV_MM_DELAY_SIZE);
571 tmp = low & TE_EXT_MASK;
572 if (anormal)
573 tmp |= TE_EXT_ANORMAL;
574 lp->mm_delay.low = htonl(tmp);
575 lp->mm_delay.high = htonl(high);
576 return;
577 }
578
579 static void set_linkparams_delay_var(struct mpls_te_link *lp, u_int32_t jitter)
580 {
581 /* Note that TLV-length field is the size of array. */
582 lp->delay_var.header.type = htons(TE_LINK_SUBTLV_DELAY_VAR);
583 lp->delay_var.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
584 lp->delay_var.value = htonl(jitter & TE_EXT_MASK);
585 return;
586 }
587
588 static void set_linkparams_pkt_loss(struct mpls_te_link *lp, u_int32_t loss,
589 u_char anormal)
590 {
591 u_int32_t tmp;
592 /* Note that TLV-length field is the size of array. */
593 lp->pkt_loss.header.type = htons(TE_LINK_SUBTLV_PKT_LOSS);
594 lp->pkt_loss.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
595 tmp = loss & TE_EXT_MASK;
596 if (anormal)
597 tmp |= TE_EXT_ANORMAL;
598 lp->pkt_loss.value = htonl(tmp);
599 return;
600 }
601
602 static void set_linkparams_res_bw(struct mpls_te_link *lp, float fp)
603 {
604 /* Note that TLV-length field is the size of array. */
605 lp->res_bw.header.type = htons(TE_LINK_SUBTLV_RES_BW);
606 lp->res_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
607 lp->res_bw.value = htonf(fp);
608 return;
609 }
610
611 static void set_linkparams_ava_bw(struct mpls_te_link *lp, float fp)
612 {
613 /* Note that TLV-length field is the size of array. */
614 lp->ava_bw.header.type = htons(TE_LINK_SUBTLV_AVA_BW);
615 lp->ava_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
616 lp->ava_bw.value = htonf(fp);
617 return;
618 }
619
620 static void set_linkparams_use_bw(struct mpls_te_link *lp, float fp)
621 {
622 /* Note that TLV-length field is the size of array. */
623 lp->use_bw.header.type = htons(TE_LINK_SUBTLV_USE_BW);
624 lp->use_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
625 lp->use_bw.value = htonf(fp);
626 return;
627 }
628
629 /* Update TE parameters from Interface */
630 static void update_linkparams(struct mpls_te_link *lp)
631 {
632 int i;
633 struct interface *ifp;
634
635 /* Get the Interface structure */
636 if ((ifp = lp->ifp) == NULL) {
637 if (IS_DEBUG_OSPF_TE)
638 zlog_debug(
639 "OSPF MPLS-TE: Abort update TE parameters: no interface associated to Link Parameters");
640 return;
641 }
642 if (!HAS_LINK_PARAMS(ifp)) {
643 if (IS_DEBUG_OSPF_TE)
644 zlog_debug(
645 "OSPF MPLS-TE: Abort update TE parameters: no Link Parameters for interface");
646 return;
647 }
648
649 /* RFC3630 metrics */
650 if (IS_PARAM_SET(ifp->link_params, LP_ADM_GRP))
651 set_linkparams_rsc_clsclr(lp, ifp->link_params->admin_grp);
652 else
653 TLV_TYPE(lp->rsc_clsclr) = 0;
654
655 if (IS_PARAM_SET(ifp->link_params, LP_MAX_BW))
656 set_linkparams_max_bw(lp, ifp->link_params->max_bw);
657 else
658 TLV_TYPE(lp->max_bw) = 0;
659
660 if (IS_PARAM_SET(ifp->link_params, LP_MAX_RSV_BW))
661 set_linkparams_max_rsv_bw(lp, ifp->link_params->max_rsv_bw);
662 else
663 TLV_TYPE(lp->max_rsv_bw) = 0;
664
665 if (IS_PARAM_SET(ifp->link_params, LP_UNRSV_BW))
666 for (i = 0; i < MAX_CLASS_TYPE; i++)
667 set_linkparams_unrsv_bw(lp, i,
668 ifp->link_params->unrsv_bw[i]);
669 else
670 TLV_TYPE(lp->unrsv_bw) = 0;
671
672 if (IS_PARAM_SET(ifp->link_params, LP_TE_METRIC))
673 set_linkparams_te_metric(lp, ifp->link_params->te_metric);
674 else
675 TLV_TYPE(lp->te_metric) = 0;
676
677 /* TE metric Extensions */
678 if (IS_PARAM_SET(ifp->link_params, LP_DELAY))
679 set_linkparams_av_delay(lp, ifp->link_params->av_delay, 0);
680 else
681 TLV_TYPE(lp->av_delay) = 0;
682
683 if (IS_PARAM_SET(ifp->link_params, LP_MM_DELAY))
684 set_linkparams_mm_delay(lp, ifp->link_params->min_delay,
685 ifp->link_params->max_delay, 0);
686 else
687 TLV_TYPE(lp->mm_delay) = 0;
688
689 if (IS_PARAM_SET(ifp->link_params, LP_DELAY_VAR))
690 set_linkparams_delay_var(lp, ifp->link_params->delay_var);
691 else
692 TLV_TYPE(lp->delay_var) = 0;
693
694 if (IS_PARAM_SET(ifp->link_params, LP_PKT_LOSS))
695 set_linkparams_pkt_loss(lp, ifp->link_params->pkt_loss, 0);
696 else
697 TLV_TYPE(lp->pkt_loss) = 0;
698
699 if (IS_PARAM_SET(ifp->link_params, LP_RES_BW))
700 set_linkparams_res_bw(lp, ifp->link_params->res_bw);
701 else
702 TLV_TYPE(lp->res_bw) = 0;
703
704 if (IS_PARAM_SET(ifp->link_params, LP_AVA_BW))
705 set_linkparams_ava_bw(lp, ifp->link_params->ava_bw);
706 else
707 TLV_TYPE(lp->ava_bw) = 0;
708
709 if (IS_PARAM_SET(ifp->link_params, LP_USE_BW))
710 set_linkparams_use_bw(lp, ifp->link_params->use_bw);
711 else
712 TLV_TYPE(lp->use_bw) = 0;
713
714 /* RFC5392 */
715 if (IS_PARAM_SET(ifp->link_params, LP_RMT_AS)) {
716 /* Flush LSA if it engaged and was previously a STD_TE one */
717 if (IS_STD_TE(lp->type)
718 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
719 if (IS_DEBUG_OSPF_TE)
720 zlog_debug(
721 "OSPF MPLS-TE Update IF: Switch from Standard LSA to INTER-AS for %s[%d/%d]",
722 ifp->name, lp->flags, lp->type);
723
724 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
725 /* Then, switch it to INTER-AS */
726 if (OspfMplsTE.inter_as == AS)
727 lp->flags = INTER_AS | FLOOD_AS;
728 else {
729 lp->flags = INTER_AS | FLOOD_AREA;
730 lp->area = ospf_area_lookup_by_area_id(
731 ospf_lookup(),
732 OspfMplsTE.interas_areaid);
733 }
734 }
735 set_linkparams_inter_as(lp, ifp->link_params->rmt_ip,
736 ifp->link_params->rmt_as);
737 } else {
738 if (IS_DEBUG_OSPF_TE)
739 zlog_debug(
740 "OSPF MPLS-TE Update IF: Switch from INTER-AS LSA to Standard for %s[%d/%d]",
741 ifp->name, lp->flags, lp->type);
742
743 /* reset inter-as TE params */
744 /* Flush LSA if it engaged and was previously an INTER_AS one */
745 if (IS_INTER_AS(lp->type)
746 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
747 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
748 /* Then, switch it to Standard TE */
749 lp->flags = STD_TE | FLOOD_AREA;
750 }
751 unset_linkparams_inter_as(lp);
752 }
753 }
754
755 static void initialize_linkparams(struct mpls_te_link *lp)
756 {
757 struct interface *ifp = lp->ifp;
758 struct ospf_interface *oi = NULL;
759 struct route_node *rn;
760
761 if (IS_DEBUG_OSPF_TE)
762 zlog_debug(
763 "MPLS-TE(initialize_linkparams) Initialize Link Parameters for interface %s",
764 ifp->name);
765
766 /* Search OSPF Interface parameters for this interface */
767 for (rn = route_top (IF_OIFS (ifp)); rn; rn = route_next (rn)) {
768
769 if ((oi = rn->info) == NULL)
770 continue;
771
772 if (oi->ifp == ifp)
773 break;
774 }
775
776 if ((oi == NULL) || (oi->ifp != ifp)) {
777 if (IS_DEBUG_OSPF_TE)
778 zlog_warn(
779 "MPLS-TE(initialize_linkparams) Could not find corresponding OSPF Interface for %s",
780 ifp->name);
781 return;
782 }
783
784 /*
785 * Try to set initial values those can be derived from
786 * zebra-interface information.
787 */
788 set_linkparams_link_type(oi, lp);
789
790 /* Set local IP addr */
791 set_linkparams_lclif_ipaddr(lp, oi->address->u.prefix4);
792
793 /* Set Remote IP addr if Point to Point Interface */
794 if (oi->type == OSPF_IFTYPE_POINTOPOINT) {
795 struct prefix *pref = CONNECTED_PREFIX(oi->connected);
796 if (pref != NULL)
797 set_linkparams_rmtif_ipaddr(lp, pref->u.prefix4);
798 }
799
800 /* Keep Area information in combination with link parameters. */
801 lp->area = oi->area;
802
803 return;
804 }
805
806 static int is_mandated_params_set(struct mpls_te_link *lp)
807 {
808 int rc = 0;
809
810 if (ntohs(OspfMplsTE.router_addr.header.type) == 0) {
811 zlog_warn(
812 "MPLS-TE(is_mandated_params_set) Missing Router Address");
813 return rc;
814 }
815
816 if (ntohs(lp->link_type.header.type) == 0) {
817 zlog_warn("MPLS-TE(is_mandated_params_set) Missing Link Type");
818 return rc;
819 }
820
821 if (!IS_INTER_AS(lp->type) && (ntohs(lp->link_id.header.type) == 0)) {
822 zlog_warn("MPLS-TE(is_mandated_params_set) Missing Link ID");
823 return rc;
824 }
825
826 rc = 1;
827 return rc;
828 }
829
830 /*------------------------------------------------------------------------*
831 * Followings are callback functions against generic Opaque-LSAs handling.
832 *------------------------------------------------------------------------*/
833
834 static int ospf_mpls_te_new_if(struct interface *ifp)
835 {
836 struct mpls_te_link *new;
837 int rc = -1;
838
839 if (IS_DEBUG_OSPF_TE)
840 zlog_debug(
841 "MPLS-TE(ospf_mpls_te_new_if) Add new %s interface %s to MPLS-TE list",
842 ifp->link_params ? "Active" : "Inactive", ifp->name);
843
844 if (lookup_linkparams_by_ifp(ifp) != NULL) {
845 zlog_warn("ospf_mpls_te_new_if: ifp(%p) already in use?",
846 (void *)ifp);
847 rc = 0; /* Do nothing here. */
848 return rc;
849 }
850
851 new = XCALLOC(MTYPE_OSPF_MPLS_TE, sizeof(struct mpls_te_link));
852 if (new == NULL) {
853 zlog_warn("ospf_mpls_te_new_if: XMALLOC: %s",
854 safe_strerror(errno));
855 return rc;
856 }
857
858 new->instance = get_mpls_te_instance_value();
859 new->ifp = ifp;
860 /* By default TE-Link is RFC3630 compatible flooding in Area and not
861 * active */
862 /* This default behavior will be adapted with call to
863 * ospf_mpls_te_update_if() */
864 new->type = STD_TE | FLOOD_AREA;
865 new->flags = LPFLG_LSA_INACTIVE;
866
867 /* Initialize Link Parameters from Interface */
868 initialize_linkparams(new);
869
870 /* Set TE Parameters from Interface */
871 update_linkparams(new);
872
873 /* Add Link Parameters structure to the list */
874 listnode_add(OspfMplsTE.iflist, new);
875
876 if (IS_DEBUG_OSPF_TE)
877 zlog_debug(
878 "OSPF MPLS-TE New IF: Add new LP context for %s[%d/%d]",
879 ifp->name, new->flags, new->type);
880
881 /* Schedule Opaque-LSA refresh. */ /* XXX */
882
883 rc = 0;
884 return rc;
885 }
886
887 static int ospf_mpls_te_del_if(struct interface *ifp)
888 {
889 struct mpls_te_link *lp;
890 int rc = -1;
891
892 if ((lp = lookup_linkparams_by_ifp(ifp)) != NULL) {
893 struct list *iflist = OspfMplsTE.iflist;
894
895 /* Dequeue listnode entry from the list. */
896 listnode_delete(iflist, lp);
897
898 /* Avoid misjudgement in the next lookup. */
899 if (listcount(iflist) == 0)
900 iflist->head = iflist->tail = NULL;
901
902 XFREE(MTYPE_OSPF_MPLS_TE, lp);
903 }
904
905 /* Schedule Opaque-LSA refresh. */ /* XXX */
906
907 rc = 0;
908 return rc;
909 }
910
911 /* Main initialization / update function of the MPLS TE Link context */
912
913 /* Call when interface TE Link parameters are modified */
914 void ospf_mpls_te_update_if(struct interface *ifp)
915 {
916 struct mpls_te_link *lp;
917
918 if (IS_DEBUG_OSPF_TE)
919 zlog_debug(
920 "OSPF MPLS-TE: Update LSA parameters for interface %s [%s]",
921 ifp->name, HAS_LINK_PARAMS(ifp) ? "ON" : "OFF");
922
923 /* Get Link context from interface */
924 if ((lp = lookup_linkparams_by_ifp(ifp)) == NULL) {
925 zlog_warn(
926 "OSPF MPLS-TE Update: Did not find Link Parameters context for interface %s",
927 ifp->name);
928 return;
929 }
930
931 /* Fulfill MPLS-TE Link TLV from Interface TE Link parameters */
932 if (HAS_LINK_PARAMS(ifp)) {
933 SET_FLAG(lp->flags, LPFLG_LSA_ACTIVE);
934
935 /* Update TE parameters */
936 update_linkparams(lp);
937
938 /* Finally Re-Originate or Refresh Opaque LSA if MPLS_TE is
939 * enabled */
940 if (OspfMplsTE.enabled)
941 if (lp->area != NULL) {
942 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
943 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
944 else
945 ospf_mpls_te_lsa_schedule(lp, REORIGINATE_THIS_LSA);
946 }
947 } else {
948 /* If MPLS TE is disable on this interface, flush LSA if it is
949 * already engaged */
950 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
951 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
952 else
953 /* Reset Activity flag */
954 lp->flags = LPFLG_LSA_INACTIVE;
955 }
956
957 return;
958 }
959
960 static void ospf_mpls_te_ism_change(struct ospf_interface *oi, int old_state)
961 {
962 struct te_link_subtlv_link_type old_type;
963 struct te_link_subtlv_link_id old_id;
964 struct mpls_te_link *lp;
965
966 if ((lp = lookup_linkparams_by_ifp(oi->ifp)) == NULL) {
967 zlog_warn(
968 "ospf_mpls_te_ism_change: Cannot get linkparams from OI(%s)?",
969 IF_NAME(oi));
970 return;
971 }
972
973 if (oi->area == NULL || oi->area->ospf == NULL) {
974 zlog_warn(
975 "ospf_mpls_te_ism_change: Cannot refer to OSPF from OI(%s)?",
976 IF_NAME(oi));
977 return;
978 }
979 #ifdef notyet
980 if ((lp->area != NULL
981 && !IPV4_ADDR_SAME(&lp->area->area_id, &oi->area->area_id))
982 || (lp->area != NULL && oi->area == NULL)) {
983 /* How should we consider this case? */
984 zlog_warn(
985 "MPLS-TE: Area for OI(%s) has changed to [%s], flush previous LSAs",
986 IF_NAME(oi),
987 oi->area ? inet_ntoa(oi->area->area_id) : "N/A");
988 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
989 }
990 #endif
991 /* Keep Area information in combination with linkparams. */
992 lp->area = oi->area;
993
994 /* Keep interface MPLS-TE status */
995 lp->flags = HAS_LINK_PARAMS(oi->ifp);
996
997 switch (oi->state) {
998 case ISM_PointToPoint:
999 case ISM_DROther:
1000 case ISM_Backup:
1001 case ISM_DR:
1002 old_type = lp->link_type;
1003 old_id = lp->link_id;
1004
1005 /* Set Link type, Link ID, Local and Remote IP addr */
1006 set_linkparams_link_type(oi, lp);
1007 set_linkparams_link_id(oi, lp);
1008 set_linkparams_lclif_ipaddr(lp, oi->address->u.prefix4);
1009
1010 if (oi->type == LINK_TYPE_SUBTLV_VALUE_PTP) {
1011 struct prefix *pref = CONNECTED_PREFIX(oi->connected);
1012 if (pref != NULL)
1013 set_linkparams_rmtif_ipaddr(lp,
1014 pref->u.prefix4);
1015 }
1016
1017 /* Update TE parameters */
1018 update_linkparams(lp);
1019
1020 /* Try to Schedule LSA */
1021 if ((ntohs(old_type.header.type)
1022 != ntohs(lp->link_type.header.type)
1023 || old_type.link_type.value
1024 != lp->link_type.link_type.value)
1025 || (ntohs(old_id.header.type)
1026 != ntohs(lp->link_id.header.type)
1027 || ntohl(old_id.value.s_addr)
1028 != ntohl(lp->link_id.value.s_addr))) {
1029 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
1030 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
1031 else
1032 ospf_mpls_te_lsa_schedule(lp, REORIGINATE_THIS_LSA);
1033 }
1034 break;
1035 default:
1036 lp->link_type.header.type = htons(0);
1037 lp->link_id.header.type = htons(0);
1038
1039 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
1040 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
1041 break;
1042 }
1043
1044 return;
1045 }
1046
1047 static void ospf_mpls_te_nsm_change(struct ospf_neighbor *nbr, int old_state)
1048 {
1049 /* Nothing to do here */
1050 return;
1051 }
1052
1053 /*------------------------------------------------------------------------*
1054 * Followings are OSPF protocol processing functions for MPLS-TE.
1055 *------------------------------------------------------------------------*/
1056
1057 static void build_tlv_header(struct stream *s, struct tlv_header *tlvh)
1058 {
1059 stream_put(s, tlvh, sizeof(struct tlv_header));
1060 return;
1061 }
1062
1063 static void build_router_tlv(struct stream *s)
1064 {
1065 struct tlv_header *tlvh = &OspfMplsTE.router_addr.header;
1066 if (ntohs(tlvh->type) != 0) {
1067 build_tlv_header(s, tlvh);
1068 stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh));
1069 }
1070 return;
1071 }
1072
1073 static void build_link_subtlv(struct stream *s, struct tlv_header *tlvh)
1074 {
1075
1076 if ((tlvh != NULL) && (ntohs(tlvh->type) != 0)) {
1077 build_tlv_header(s, tlvh);
1078 stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh));
1079 }
1080 return;
1081 }
1082
1083 static void build_link_tlv(struct stream *s, struct mpls_te_link *lp)
1084 {
1085 set_linkparams_link_header(lp);
1086 build_tlv_header(s, &lp->link_header.header);
1087
1088 build_link_subtlv(s, &lp->link_type.header);
1089 build_link_subtlv(s, &lp->link_id.header);
1090 build_link_subtlv(s, &lp->lclif_ipaddr.header);
1091 build_link_subtlv(s, &lp->rmtif_ipaddr.header);
1092 build_link_subtlv(s, &lp->te_metric.header);
1093 build_link_subtlv(s, &lp->max_bw.header);
1094 build_link_subtlv(s, &lp->max_rsv_bw.header);
1095 build_link_subtlv(s, &lp->unrsv_bw.header);
1096 build_link_subtlv(s, &lp->rsc_clsclr.header);
1097 build_link_subtlv(s, &lp->lrrid.header);
1098 build_link_subtlv(s, &lp->llri.header);
1099 build_link_subtlv(s, &lp->rip.header);
1100 build_link_subtlv(s, &lp->ras.header);
1101 build_link_subtlv(s, &lp->av_delay.header);
1102 build_link_subtlv(s, &lp->mm_delay.header);
1103 build_link_subtlv(s, &lp->delay_var.header);
1104 build_link_subtlv(s, &lp->pkt_loss.header);
1105 build_link_subtlv(s, &lp->res_bw.header);
1106 build_link_subtlv(s, &lp->ava_bw.header);
1107 build_link_subtlv(s, &lp->use_bw.header);
1108
1109 return;
1110 }
1111
1112 static void ospf_mpls_te_lsa_body_set(struct stream *s, struct mpls_te_link *lp)
1113 {
1114 /*
1115 * The router address TLV is type 1, and ...
1116 * It must appear in exactly one
1117 * Traffic Engineering LSA originated by a router.
1118 */
1119 build_router_tlv(s);
1120
1121 /*
1122 * Only one Link TLV shall be carried in each LSA, allowing for fine
1123 * granularity changes in topology.
1124 */
1125 build_link_tlv(s, lp);
1126 return;
1127 }
1128
1129 /* Create new opaque-LSA. */
1130 static struct ospf_lsa *ospf_mpls_te_lsa_new(struct ospf_area *area,
1131 struct mpls_te_link *lp)
1132 {
1133 struct stream *s;
1134 struct lsa_header *lsah;
1135 struct ospf_lsa *new = NULL;
1136 u_char options, lsa_type = 0;
1137 struct in_addr lsa_id;
1138 u_int32_t tmp;
1139 u_int16_t length;
1140
1141 /* Create a stream for LSA. */
1142 if ((s = stream_new(OSPF_MAX_LSA_SIZE)) == NULL) {
1143 zlog_warn("ospf_mpls_te_lsa_new: stream_new() ?");
1144 return NULL;
1145 }
1146 lsah = (struct lsa_header *)STREAM_DATA(s);
1147
1148 options = OSPF_OPTION_O; /* Don't forget this :-) */
1149
1150 /* Set opaque-LSA header fields depending of the type of RFC */
1151 if (IS_INTER_AS(lp->type)) {
1152 if
1153 IS_FLOOD_AS(lp->type)
1154 {
1155 options |= OSPF_OPTION_E; /* Enable AS external
1156 as we flood
1157 Inter-AS with
1158 Opaque Type 11 */
1159 lsa_type = OSPF_OPAQUE_AS_LSA;
1160 }
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 struct ospf *top = ospf_lookup();
1171
1172 lsa_header_set(s, options, lsa_type, lsa_id, top->router_id);
1173 } else {
1174 options |= LSA_OPTIONS_GET(area); /* Get area default option */
1175 options |= LSA_OPTIONS_NSSA_GET(area);
1176 lsa_type = OSPF_OPAQUE_AREA_LSA;
1177 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA,
1178 lp->instance);
1179 lsa_id.s_addr = htonl(tmp);
1180 lsa_header_set(s, options, lsa_type, lsa_id,
1181 area->ospf->router_id);
1182 }
1183
1184 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE))
1185 zlog_debug(
1186 "LSA[Type%d:%s]: Create an Opaque-LSA/MPLS-TE instance",
1187 lsa_type, inet_ntoa(lsa_id));
1188
1189 /* Set opaque-LSA body fields. */
1190 ospf_mpls_te_lsa_body_set(s, lp);
1191
1192 /* Set length. */
1193 length = stream_get_endp(s);
1194 lsah->length = htons(length);
1195
1196 /* Now, create an OSPF LSA instance. */
1197 if ((new = ospf_lsa_new()) == NULL) {
1198 zlog_warn("ospf_mpls_te_lsa_new: ospf_lsa_new() ?");
1199 stream_free(s);
1200 return NULL;
1201 }
1202 if ((new->data = ospf_lsa_data_new(length)) == NULL) {
1203 zlog_warn("ospf_mpls_te_lsa_new: ospf_lsa_data_new() ?");
1204 ospf_lsa_unlock(&new);
1205 new = NULL;
1206 stream_free(s);
1207 return new;
1208 }
1209
1210 new->area = area;
1211 SET_FLAG(new->flags, OSPF_LSA_SELF);
1212 memcpy(new->data, lsah, length);
1213 stream_free(s);
1214
1215 return new;
1216 }
1217
1218 static int ospf_mpls_te_lsa_originate1(struct ospf_area *area,
1219 struct mpls_te_link *lp)
1220 {
1221 struct ospf_lsa *new;
1222 int rc = -1;
1223
1224 /* Create new Opaque-LSA/MPLS-TE instance. */
1225 if ((new = ospf_mpls_te_lsa_new(area, lp)) == NULL) {
1226 zlog_warn(
1227 "ospf_mpls_te_lsa_originate1: ospf_mpls_te_lsa_new() ?");
1228 return rc;
1229 }
1230
1231 /* Install this LSA into LSDB. */
1232 if (ospf_lsa_install(area->ospf, NULL /*oi*/, new) == NULL) {
1233 zlog_warn("ospf_mpls_te_lsa_originate1: ospf_lsa_install() ?");
1234 ospf_lsa_unlock(&new);
1235 return rc;
1236 }
1237
1238 /* Now this link-parameter entry has associated LSA. */
1239 SET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
1240 /* Update new LSA origination count. */
1241 area->ospf->lsa_originate_count++;
1242
1243 /* Flood new LSA through area. */
1244 ospf_flood_through_area(area, NULL /*nbr*/, new);
1245
1246 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) {
1247 char area_id[INET_ADDRSTRLEN];
1248 strcpy(area_id, inet_ntoa(area->area_id));
1249 zlog_debug(
1250 "LSA[Type%d:%s]: Originate Opaque-LSA/MPLS-TE: Area(%s), Link(%s)",
1251 new->data->type, inet_ntoa(new->data->id), area_id,
1252 lp->ifp->name);
1253 ospf_lsa_header_dump(new->data);
1254 }
1255
1256 rc = 0;
1257 return rc;
1258 }
1259
1260 static int ospf_mpls_te_lsa_originate_area(void *arg)
1261 {
1262 struct ospf_area *area = (struct ospf_area *)arg;
1263 struct listnode *node, *nnode;
1264 struct mpls_te_link *lp;
1265 int rc = -1;
1266
1267 if (!OspfMplsTE.enabled) {
1268 zlog_info(
1269 "ospf_mpls_te_lsa_originate_area: MPLS-TE is disabled now.");
1270 rc = 0; /* This is not an error case. */
1271 return rc;
1272 }
1273
1274 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
1275 /* Process only enabled LSA with area scope flooding */
1276 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)
1277 || IS_FLOOD_AS(lp->type))
1278 continue;
1279
1280 if (lp->area == NULL)
1281 continue;
1282
1283 if (!IPV4_ADDR_SAME(&lp->area->area_id, &area->area_id))
1284 continue;
1285
1286 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
1287 if (CHECK_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH)) {
1288 UNSET_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH);
1289 zlog_warn(
1290 "OSPF MPLS-TE (ospf_mpls_te_lsa_originate_area): Refresh instead of Originate");
1291 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
1292 }
1293 continue;
1294 }
1295
1296 if (!is_mandated_params_set(lp)) {
1297 zlog_warn(
1298 "ospf_mpls_te_lsa_originate_area: Link(%s) lacks some mandated MPLS-TE parameters.",
1299 lp->ifp ? lp->ifp->name : "?");
1300 continue;
1301 }
1302
1303 /* Ok, let's try to originate an LSA for this area and Link. */
1304 if (IS_DEBUG_OSPF_TE)
1305 zlog_debug(
1306 "MPLS-TE(ospf_mpls_te_lsa_originate_area) Let's finally reoriginate the LSA %d through the Area %s for Link %s",
1307 lp->instance, inet_ntoa(area->area_id),
1308 lp->ifp ? lp->ifp->name : "?");
1309 if (ospf_mpls_te_lsa_originate1(area, lp) != 0)
1310 return rc;
1311 }
1312
1313 rc = 0;
1314 return rc;
1315 }
1316
1317 static int ospf_mpls_te_lsa_originate2(struct ospf *top,
1318 struct mpls_te_link *lp)
1319 {
1320 struct ospf_lsa *new;
1321 int rc = -1;
1322
1323 /* Create new Opaque-LSA/Inter-AS instance. */
1324 if ((new = ospf_mpls_te_lsa_new(NULL, lp)) == NULL) {
1325 zlog_warn(
1326 "ospf_mpls_te_lsa_originate2: ospf_router_info_lsa_new() ?");
1327 return rc;
1328 }
1329
1330 /* Install this LSA into LSDB. */
1331 if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) {
1332 zlog_warn("ospf_mpls_te_lsa_originate2: ospf_lsa_install() ?");
1333 ospf_lsa_unlock(&new);
1334 return rc;
1335 }
1336
1337 /* Now this Router Info parameter entry has associated LSA. */
1338 SET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
1339 /* Update new LSA origination count. */
1340 top->lsa_originate_count++;
1341
1342 /* Flood new LSA through AS. */
1343 ospf_flood_through_as(top, NULL /*nbr */, new);
1344
1345 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) {
1346 zlog_debug(
1347 "LSA[Type%d:%s]: Originate Opaque-LSA/MPLS-TE Inter-AS",
1348 new->data->type, inet_ntoa(new->data->id));
1349 ospf_lsa_header_dump(new->data);
1350 }
1351
1352 rc = 0;
1353 return rc;
1354 }
1355
1356 static int ospf_mpls_te_lsa_originate_as(void *arg)
1357 {
1358 struct ospf *top;
1359 struct ospf_area *area;
1360 struct listnode *node, *nnode;
1361 struct mpls_te_link *lp;
1362 int rc = -1;
1363
1364 if ((!OspfMplsTE.enabled)
1365 || (OspfMplsTE.inter_as == Off)) {
1366 zlog_info(
1367 "ospf_mpls_te_lsa_originate_as: MPLS-TE Inter-AS is disabled for now.");
1368 rc = 0; /* This is not an error case. */
1369 return rc;
1370 }
1371
1372 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
1373 /* Process only enabled INTER_AS Links or Pseudo-Links */
1374 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)
1375 || !IS_INTER_AS(lp->type))
1376 continue;
1377
1378 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
1379 if (CHECK_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH)) {
1380 UNSET_FLAG(lp->flags,LPFLG_LSA_FORCED_REFRESH);
1381 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
1382 }
1383 continue;
1384 }
1385
1386 if (!is_mandated_params_set(lp)) {
1387 zlog_warn(
1388 "ospf_mpls_te_lsa_originate_as: Link(%s) lacks some mandated MPLS-TE parameters.",
1389 lp->ifp ? lp->ifp->name : "?");
1390 continue;
1391 }
1392
1393 /* Ok, let's try to originate an LSA for this AS and Link. */
1394 if (IS_DEBUG_OSPF_TE)
1395 zlog_debug(
1396 "MPLS-TE(ospf_mpls_te_lsa_originate_as) Let's finally re-originate the Inter-AS LSA %d through the %s for Link %s",
1397 lp->instance,
1398 IS_FLOOD_AS(lp->type) ? "AS" : "Area",
1399 lp->ifp ? lp->ifp->name : "Unknown");
1400
1401 if (IS_FLOOD_AS(lp->type)) {
1402 top = (struct ospf *)arg;
1403 ospf_mpls_te_lsa_originate2(top, lp);
1404 } else {
1405 area = (struct ospf_area *)arg;
1406 ospf_mpls_te_lsa_originate1(area, lp);
1407 }
1408 }
1409
1410 rc = 0;
1411 return rc;
1412 }
1413
1414 static struct ospf_lsa *ospf_mpls_te_lsa_refresh(struct ospf_lsa *lsa)
1415 {
1416 struct mpls_te_link *lp;
1417 struct ospf_area *area = lsa->area;
1418 struct ospf *top;
1419 struct ospf_lsa *new = NULL;
1420
1421 if (!OspfMplsTE.enabled) {
1422 /*
1423 * This LSA must have flushed before due to MPLS-TE status
1424 * change.
1425 * It seems a slip among routers in the routing domain.
1426 */
1427 zlog_info("ospf_mpls_te_lsa_refresh: MPLS-TE is disabled now.");
1428 lsa->data->ls_age =
1429 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1430 }
1431
1432 /* At first, resolve lsa/lp relationship. */
1433 if ((lp = lookup_linkparams_by_instance(lsa)) == NULL) {
1434 zlog_warn("ospf_mpls_te_lsa_refresh: Invalid parameter?");
1435 lsa->data->ls_age =
1436 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1437 }
1438
1439 /* Check if lp was not disable in the interval */
1440 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)) {
1441 zlog_warn(
1442 "ospf_mpls_te_lsa_refresh: lp was disabled: Flush it!");
1443 lsa->data->ls_age =
1444 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1445 }
1446
1447 /* If the lsa's age reached to MaxAge, start flushing procedure. */
1448 if (IS_LSA_MAXAGE(lsa)) {
1449 if (lp)
1450 UNSET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
1451 ospf_opaque_lsa_flush_schedule(lsa);
1452 return NULL;
1453 }
1454
1455 /* Create new Opaque-LSA/MPLS-TE instance. */
1456 if ((new = ospf_mpls_te_lsa_new(area, lp)) == NULL) {
1457 zlog_warn("ospf_mpls_te_lsa_refresh: ospf_mpls_te_lsa_new() ?");
1458 return NULL;
1459 }
1460 new->data->ls_seqnum = lsa_seqnum_increment(lsa);
1461
1462 /* Install this LSA into LSDB. */
1463 /* Given "lsa" will be freed in the next function. */
1464 /* As area could be NULL i.e. when using OPAQUE_LSA_AS, we prefer to use
1465 * ospf_lookup() to get ospf instance */
1466 if (area)
1467 top = area->ospf;
1468 else
1469 top = ospf_lookup();
1470
1471 if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) {
1472 zlog_warn("ospf_mpls_te_lsa_refresh: ospf_lsa_install() ?");
1473 ospf_lsa_unlock(&new);
1474 return NULL;
1475 }
1476
1477 /* Flood updated LSA through AS or Area depending of the RFC of the link
1478 */
1479 if (IS_FLOOD_AS(lp->type))
1480 ospf_flood_through_as(top, NULL, new);
1481 else
1482 ospf_flood_through_area(area, NULL /*nbr*/, new);
1483
1484 /* Debug logging. */
1485 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) {
1486 zlog_debug("LSA[Type%d:%s]: Refresh Opaque-LSA/MPLS-TE",
1487 new->data->type, inet_ntoa(new->data->id));
1488 ospf_lsa_header_dump(new->data);
1489 }
1490
1491 return new;
1492 }
1493
1494 void ospf_mpls_te_lsa_schedule(struct mpls_te_link *lp, enum lsa_opcode opcode)
1495 {
1496 struct ospf_lsa lsa;
1497 struct lsa_header lsah;
1498 struct ospf *top;
1499 u_int32_t tmp;
1500
1501 memset(&lsa, 0, sizeof(lsa));
1502 memset(&lsah, 0, sizeof(lsah));
1503 top = ospf_lookup();
1504
1505 /* Check if the pseudo link is ready to flood */
1506 if (!(CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE))
1507 || !(IS_FLOOD_AREA(lp->type) || IS_FLOOD_AS(lp->type))) {
1508 return;
1509 }
1510
1511 lsa.area = lp->area;
1512 lsa.data = &lsah;
1513 if (IS_FLOOD_AS(lp->type)) {
1514 lsah.type = OSPF_OPAQUE_AS_LSA;
1515 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA, lp->instance);
1516 lsah.id.s_addr = htonl(tmp);
1517 } else {
1518 lsah.type = OSPF_OPAQUE_AREA_LSA;
1519 if (IS_INTER_AS(lp->type)) {
1520 /* Set the area context if not know */
1521 if (lp->area == NULL)
1522 lp->area = ospf_area_lookup_by_area_id(
1523 top, OspfMplsTE.interas_areaid);
1524 /* Unable to set the area context. Abort! */
1525 if (lp->area == NULL) {
1526 zlog_warn(
1527 "MPLS-TE(ospf_mpls_te_lsa_schedule) Area context is null. Abort !");
1528 return;
1529 }
1530 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA,
1531 lp->instance);
1532 } else
1533 tmp = SET_OPAQUE_LSID(
1534 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA,
1535 lp->instance);
1536 lsah.id.s_addr = htonl(tmp);
1537 }
1538
1539 switch (opcode) {
1540 case REORIGINATE_THIS_LSA:
1541 if (IS_FLOOD_AS(lp->type)) {
1542 ospf_opaque_lsa_reoriginate_schedule(
1543 (void *)top, OSPF_OPAQUE_AS_LSA,
1544 OPAQUE_TYPE_INTER_AS_LSA);
1545 break;
1546 }
1547
1548 if (IS_FLOOD_AREA(lp->type)) {
1549 if (IS_INTER_AS(lp->type))
1550 ospf_opaque_lsa_reoriginate_schedule(
1551 (void *)lp->area, OSPF_OPAQUE_AREA_LSA,
1552 OPAQUE_TYPE_INTER_AS_LSA);
1553 else
1554 ospf_opaque_lsa_reoriginate_schedule(
1555 (void *)lp->area, OSPF_OPAQUE_AREA_LSA,
1556 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA);
1557 break;
1558 }
1559 break;
1560 case REFRESH_THIS_LSA:
1561 ospf_opaque_lsa_refresh_schedule(&lsa);
1562 break;
1563 case FLUSH_THIS_LSA:
1564 /* Reset Activity flag */
1565 lp->flags = LPFLG_LSA_INACTIVE;
1566 ospf_opaque_lsa_flush_schedule(&lsa);
1567 break;
1568 default:
1569 zlog_warn("ospf_mpls_te_lsa_schedule: Unknown opcode (%u)",
1570 opcode);
1571 break;
1572 }
1573
1574 return;
1575 }
1576
1577
1578 /*------------------------------------------------------------------------*
1579 * Followings are vty session control functions.
1580 *------------------------------------------------------------------------*/
1581
1582 static u_int16_t show_vty_router_addr(struct vty *vty,
1583 struct tlv_header *tlvh)
1584 {
1585 struct te_tlv_router_addr *top = (struct te_tlv_router_addr *)tlvh;
1586
1587 if (vty != NULL)
1588 vty_out(vty, " Router-Address: %s\n", inet_ntoa(top->value));
1589 else
1590 zlog_debug(" Router-Address: %s", inet_ntoa(top->value));
1591
1592 return TLV_SIZE(tlvh);
1593 }
1594
1595 static u_int16_t show_vty_link_header(struct vty *vty,
1596 struct tlv_header *tlvh)
1597 {
1598 struct te_tlv_link *top = (struct te_tlv_link *)tlvh;
1599
1600 if (vty != NULL)
1601 vty_out(vty, " Link: %u octets of data\n",
1602 ntohs(top->header.length));
1603 else
1604 zlog_debug(" Link: %u octets of data",
1605 ntohs(top->header.length));
1606
1607 return TLV_HDR_SIZE; /* Here is special, not "TLV_SIZE". */
1608 }
1609
1610 static u_int16_t show_vty_link_subtlv_link_type(struct vty *vty,
1611 struct tlv_header *tlvh)
1612 {
1613 struct te_link_subtlv_link_type *top;
1614 const char *cp = "Unknown";
1615
1616 top = (struct te_link_subtlv_link_type *)tlvh;
1617 switch (top->link_type.value) {
1618 case LINK_TYPE_SUBTLV_VALUE_PTP:
1619 cp = "Point-to-point";
1620 break;
1621 case LINK_TYPE_SUBTLV_VALUE_MA:
1622 cp = "Multiaccess";
1623 break;
1624 default:
1625 break;
1626 }
1627
1628 if (vty != NULL)
1629 vty_out(vty, " Link-Type: %s (%u)\n", cp,
1630 top->link_type.value);
1631 else
1632 zlog_debug(" Link-Type: %s (%u)", cp, top->link_type.value);
1633
1634 return TLV_SIZE(tlvh);
1635 }
1636
1637 static u_int16_t show_vty_link_subtlv_link_id(struct vty *vty,
1638 struct tlv_header *tlvh)
1639 {
1640 struct te_link_subtlv_link_id *top;
1641
1642 top = (struct te_link_subtlv_link_id *)tlvh;
1643 if (vty != NULL)
1644 vty_out(vty, " Link-ID: %s\n", inet_ntoa(top->value));
1645 else
1646 zlog_debug(" Link-ID: %s", inet_ntoa(top->value));
1647
1648 return TLV_SIZE(tlvh);
1649 }
1650
1651 static u_int16_t show_vty_link_subtlv_lclif_ipaddr(struct vty *vty,
1652 struct tlv_header *tlvh)
1653 {
1654 struct te_link_subtlv_lclif_ipaddr *top;
1655 int i, n;
1656
1657 top = (struct te_link_subtlv_lclif_ipaddr *)tlvh;
1658 n = ntohs(tlvh->length) / sizeof(top->value[0]);
1659
1660 if (vty != NULL)
1661 vty_out(vty, " Local Interface IP Address(es): %d\n", n);
1662 else
1663 zlog_debug(" Local Interface IP Address(es): %d", n);
1664
1665 for (i = 0; i < n; i++) {
1666 if (vty != NULL)
1667 vty_out(vty, " #%d: %s\n", i,
1668 inet_ntoa(top->value[i]));
1669 else
1670 zlog_debug(" #%d: %s", i,
1671 inet_ntoa(top->value[i]));
1672 }
1673 return TLV_SIZE(tlvh);
1674 }
1675
1676 static u_int16_t show_vty_link_subtlv_rmtif_ipaddr(struct vty *vty,
1677 struct tlv_header *tlvh)
1678 {
1679 struct te_link_subtlv_rmtif_ipaddr *top;
1680 int i, n;
1681
1682 top = (struct te_link_subtlv_rmtif_ipaddr *)tlvh;
1683 n = ntohs(tlvh->length) / sizeof(top->value[0]);
1684 if (vty != NULL)
1685 vty_out(vty, " Remote Interface IP Address(es): %d\n", n);
1686 else
1687 zlog_debug(" Remote Interface IP Address(es): %d", n);
1688
1689 for (i = 0; i < n; i++) {
1690 if (vty != NULL)
1691 vty_out(vty, " #%d: %s\n", i,
1692 inet_ntoa(top->value[i]));
1693 else
1694 zlog_debug(" #%d: %s", i,
1695 inet_ntoa(top->value[i]));
1696 }
1697 return TLV_SIZE(tlvh);
1698 }
1699
1700 static u_int16_t show_vty_link_subtlv_te_metric(struct vty *vty,
1701 struct tlv_header *tlvh)
1702 {
1703 struct te_link_subtlv_te_metric *top;
1704
1705 top = (struct te_link_subtlv_te_metric *)tlvh;
1706 if (vty != NULL)
1707 vty_out(vty, " Traffic Engineering Metric: %u\n",
1708 (u_int32_t)ntohl(top->value));
1709 else
1710 zlog_debug(" Traffic Engineering Metric: %u",
1711 (u_int32_t)ntohl(top->value));
1712
1713 return TLV_SIZE(tlvh);
1714 }
1715
1716 static u_int16_t show_vty_link_subtlv_max_bw(struct vty *vty,
1717 struct tlv_header *tlvh)
1718 {
1719 struct te_link_subtlv_max_bw *top;
1720 float fval;
1721
1722 top = (struct te_link_subtlv_max_bw *)tlvh;
1723 fval = ntohf(top->value);
1724
1725 if (vty != NULL)
1726 vty_out(vty, " Maximum Bandwidth: %g (Bytes/sec)\n", fval);
1727 else
1728 zlog_debug(" Maximum Bandwidth: %g (Bytes/sec)", fval);
1729
1730 return TLV_SIZE(tlvh);
1731 }
1732
1733 static u_int16_t show_vty_link_subtlv_max_rsv_bw(struct vty *vty,
1734 struct tlv_header *tlvh)
1735 {
1736 struct te_link_subtlv_max_rsv_bw *top;
1737 float fval;
1738
1739 top = (struct te_link_subtlv_max_rsv_bw *)tlvh;
1740 fval = ntohf(top->value);
1741
1742 if (vty != NULL)
1743 vty_out(vty, " Maximum Reservable Bandwidth: %g (Bytes/sec)\n",
1744 fval);
1745 else
1746 zlog_debug(" Maximum Reservable Bandwidth: %g (Bytes/sec)",
1747 fval);
1748
1749 return TLV_SIZE(tlvh);
1750 }
1751
1752 static u_int16_t show_vty_link_subtlv_unrsv_bw(struct vty *vty,
1753 struct tlv_header *tlvh)
1754 {
1755 struct te_link_subtlv_unrsv_bw *top;
1756 float fval1, fval2;
1757 int i;
1758
1759 top = (struct te_link_subtlv_unrsv_bw *)tlvh;
1760 if (vty != NULL)
1761 vty_out(vty,
1762 " Unreserved Bandwidth per Class Type in Byte/s:\n");
1763 else
1764 zlog_debug(
1765 " Unreserved Bandwidth per Class Type in Byte/s:");
1766 for (i = 0; i < MAX_CLASS_TYPE; i += 2) {
1767 fval1 = ntohf(top->value[i]);
1768 fval2 = ntohf(top->value[i + 1]);
1769
1770 if (vty != NULL)
1771 vty_out(vty,
1772 " [%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)\n",
1773 i, fval1, i + 1, fval2);
1774 else
1775 zlog_debug(
1776 " [%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)",
1777 i, fval1, i + 1, fval2);
1778 }
1779
1780 return TLV_SIZE(tlvh);
1781 }
1782
1783 static u_int16_t show_vty_link_subtlv_rsc_clsclr(struct vty *vty,
1784 struct tlv_header *tlvh)
1785 {
1786 struct te_link_subtlv_rsc_clsclr *top;
1787
1788 top = (struct te_link_subtlv_rsc_clsclr *)tlvh;
1789 if (vty != NULL)
1790 vty_out(vty, " Resource class/color: 0x%x\n",
1791 (u_int32_t)ntohl(top->value));
1792 else
1793 zlog_debug(" Resource Class/Color: 0x%x",
1794 (u_int32_t)ntohl(top->value));
1795
1796 return TLV_SIZE(tlvh);
1797 }
1798
1799 static u_int16_t show_vty_link_subtlv_lrrid(struct vty *vty,
1800 struct tlv_header *tlvh)
1801 {
1802 struct te_link_subtlv_lrrid *top;
1803
1804 top = (struct te_link_subtlv_lrrid *)tlvh;
1805
1806 if (vty != NULL) {
1807 vty_out(vty, " Local TE Router ID: %s\n",
1808 inet_ntoa(top->local));
1809 vty_out(vty, " Remote TE Router ID: %s\n",
1810 inet_ntoa(top->remote));
1811 } else {
1812 zlog_debug(" Local TE Router ID: %s",
1813 inet_ntoa(top->local));
1814 zlog_debug(" Remote TE Router ID: %s",
1815 inet_ntoa(top->remote));
1816 }
1817
1818 return TLV_SIZE(tlvh);
1819 }
1820
1821 static u_int16_t show_vty_link_subtlv_llri(struct vty *vty,
1822 struct tlv_header *tlvh)
1823 {
1824 struct te_link_subtlv_llri *top;
1825
1826 top = (struct te_link_subtlv_llri *)tlvh;
1827
1828 if (vty != NULL) {
1829 vty_out(vty, " Link Local ID: %d\n",
1830 (u_int32_t)ntohl(top->local));
1831 vty_out(vty, " Link Remote ID: %d\n",
1832 (u_int32_t)ntohl(top->remote));
1833 } else {
1834 zlog_debug(" Link Local ID: %d",
1835 (u_int32_t)ntohl(top->local));
1836 zlog_debug(" Link Remote ID: %d",
1837 (u_int32_t)ntohl(top->remote));
1838 }
1839
1840 return TLV_SIZE(tlvh);
1841 }
1842
1843 static u_int16_t show_vty_link_subtlv_rip(struct vty *vty,
1844 struct tlv_header *tlvh)
1845 {
1846 struct te_link_subtlv_rip *top;
1847
1848 top = (struct te_link_subtlv_rip *)tlvh;
1849
1850 if (vty != NULL)
1851 vty_out(vty, " Inter-AS TE Remote ASBR IP address: %s\n",
1852 inet_ntoa(top->value));
1853 else
1854 zlog_debug(" Inter-AS TE Remote ASBR IP address: %s",
1855 inet_ntoa(top->value));
1856
1857 return TLV_SIZE(tlvh);
1858 }
1859
1860 static u_int16_t show_vty_link_subtlv_ras(struct vty *vty,
1861 struct tlv_header *tlvh)
1862 {
1863 struct te_link_subtlv_ras *top;
1864
1865 top = (struct te_link_subtlv_ras *)tlvh;
1866
1867 if (vty != NULL)
1868 vty_out(vty, " Inter-AS TE Remote AS number: %u\n",
1869 ntohl(top->value));
1870 else
1871 zlog_debug(" Inter-AS TE Remote AS number: %u",
1872 ntohl(top->value));
1873
1874 return TLV_SIZE(tlvh);
1875 }
1876
1877 static u_int16_t show_vty_link_subtlv_av_delay(struct vty *vty,
1878 struct tlv_header *tlvh)
1879 {
1880 struct te_link_subtlv_av_delay *top;
1881 u_int32_t delay;
1882 u_int32_t anomalous;
1883
1884 top = (struct te_link_subtlv_av_delay *)tlvh;
1885 delay = (u_int32_t)ntohl(top->value) & TE_EXT_MASK;
1886 anomalous = (u_int32_t)ntohl(top->value) & TE_EXT_ANORMAL;
1887
1888 if (vty != NULL)
1889 vty_out(vty, " %s Average Link Delay: %d (micro-sec)\n",
1890 anomalous ? "Anomalous" : "Normal", delay);
1891 else
1892 zlog_debug(" %s Average Link Delay: %d (micro-sec)",
1893 anomalous ? "Anomalous" : "Normal", delay);
1894
1895 return TLV_SIZE(tlvh);
1896 }
1897
1898 static u_int16_t show_vty_link_subtlv_mm_delay(struct vty *vty,
1899 struct tlv_header *tlvh)
1900 {
1901 struct te_link_subtlv_mm_delay *top;
1902 u_int32_t low, high;
1903 u_int32_t anomalous;
1904
1905 top = (struct te_link_subtlv_mm_delay *)tlvh;
1906 low = (u_int32_t)ntohl(top->low) & TE_EXT_MASK;
1907 anomalous = (u_int32_t)ntohl(top->low) & TE_EXT_ANORMAL;
1908 high = (u_int32_t)ntohl(top->high);
1909
1910 if (vty != NULL)
1911 vty_out(vty, " %s Min/Max Link Delay: %d/%d (micro-sec)\n",
1912 anomalous ? "Anomalous" : "Normal", low, high);
1913 else
1914 zlog_debug(" %s Min/Max Link Delay: %d/%d (micro-sec)",
1915 anomalous ? "Anomalous" : "Normal", low, high);
1916
1917 return TLV_SIZE(tlvh);
1918 }
1919
1920 static u_int16_t show_vty_link_subtlv_delay_var(struct vty *vty,
1921 struct tlv_header *tlvh)
1922 {
1923 struct te_link_subtlv_delay_var *top;
1924 u_int32_t jitter;
1925
1926 top = (struct te_link_subtlv_delay_var *)tlvh;
1927 jitter = (u_int32_t)ntohl(top->value) & TE_EXT_MASK;
1928
1929 if (vty != NULL)
1930 vty_out(vty, " Delay Variation: %d (micro-sec)\n", jitter);
1931 else
1932 zlog_debug(" Delay Variation: %d (micro-sec)", jitter);
1933
1934 return TLV_SIZE(tlvh);
1935 }
1936
1937 static u_int16_t show_vty_link_subtlv_pkt_loss(struct vty *vty,
1938 struct tlv_header *tlvh)
1939 {
1940 struct te_link_subtlv_pkt_loss *top;
1941 u_int32_t loss;
1942 u_int32_t anomalous;
1943 float fval;
1944
1945 top = (struct te_link_subtlv_pkt_loss *)tlvh;
1946 loss = (u_int32_t)ntohl(top->value) & TE_EXT_MASK;
1947 fval = (float)(loss * LOSS_PRECISION);
1948 anomalous = (u_int32_t)ntohl(top->value) & TE_EXT_ANORMAL;
1949
1950 if (vty != NULL)
1951 vty_out(vty, " %s Link Loss: %g (%%)\n",
1952 anomalous ? "Anomalous" : "Normal", fval);
1953 else
1954 zlog_debug(" %s Link Loss: %g (%%)",
1955 anomalous ? "Anomalous" : "Normal", fval);
1956
1957 return TLV_SIZE(tlvh);
1958 }
1959
1960 static u_int16_t show_vty_link_subtlv_res_bw(struct vty *vty,
1961 struct tlv_header *tlvh)
1962 {
1963 struct te_link_subtlv_res_bw *top;
1964 float fval;
1965
1966 top = (struct te_link_subtlv_res_bw *)tlvh;
1967 fval = ntohf(top->value);
1968
1969 if (vty != NULL)
1970 vty_out(vty,
1971 " Unidirectional Residual Bandwidth: %g (Bytes/sec)\n",
1972 fval);
1973 else
1974 zlog_debug(
1975 " Unidirectional Residual Bandwidth: %g (Bytes/sec)",
1976 fval);
1977
1978 return TLV_SIZE(tlvh);
1979 }
1980
1981 static u_int16_t show_vty_link_subtlv_ava_bw(struct vty *vty,
1982 struct tlv_header *tlvh)
1983 {
1984 struct te_link_subtlv_ava_bw *top;
1985 float fval;
1986
1987 top = (struct te_link_subtlv_ava_bw *)tlvh;
1988 fval = ntohf(top->value);
1989
1990 if (vty != NULL)
1991 vty_out(vty,
1992 " Unidirectional Available Bandwidth: %g (Bytes/sec)\n",
1993 fval);
1994 else
1995 zlog_debug(
1996 " Unidirectional Available Bandwidth: %g (Bytes/sec)",
1997 fval);
1998
1999 return TLV_SIZE(tlvh);
2000 }
2001
2002 static u_int16_t show_vty_link_subtlv_use_bw(struct vty *vty,
2003 struct tlv_header *tlvh)
2004 {
2005 struct te_link_subtlv_use_bw *top;
2006 float fval;
2007
2008 top = (struct te_link_subtlv_use_bw *)tlvh;
2009 fval = ntohf(top->value);
2010
2011 if (vty != NULL)
2012 vty_out(vty,
2013 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)\n",
2014 fval);
2015 else
2016 zlog_debug(
2017 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)",
2018 fval);
2019
2020 return TLV_SIZE(tlvh);
2021 }
2022
2023 static u_int16_t show_vty_unknown_tlv(struct vty *vty,
2024 struct tlv_header *tlvh)
2025 {
2026 if (vty != NULL)
2027 vty_out(vty, " Unknown TLV: [type(0x%x), length(0x%x)]\n",
2028 ntohs(tlvh->type), ntohs(tlvh->length));
2029 else
2030 zlog_debug(" Unknown TLV: [type(0x%x), length(0x%x)]",
2031 ntohs(tlvh->type), ntohs(tlvh->length));
2032
2033 return TLV_SIZE(tlvh);
2034 }
2035
2036 static u_int16_t ospf_mpls_te_show_link_subtlv(struct vty *vty,
2037 struct tlv_header *tlvh0,
2038 u_int16_t subtotal,
2039 u_int16_t total)
2040 {
2041 struct tlv_header *tlvh, *next;
2042 u_int16_t sum = subtotal;
2043
2044 for (tlvh = tlvh0; sum < total;
2045 tlvh = (next ? next : TLV_HDR_NEXT(tlvh))) {
2046 next = NULL;
2047 switch (ntohs(tlvh->type)) {
2048 case TE_LINK_SUBTLV_LINK_TYPE:
2049 sum += show_vty_link_subtlv_link_type(vty, tlvh);
2050 break;
2051 case TE_LINK_SUBTLV_LINK_ID:
2052 sum += show_vty_link_subtlv_link_id(vty, tlvh);
2053 break;
2054 case TE_LINK_SUBTLV_LCLIF_IPADDR:
2055 sum += show_vty_link_subtlv_lclif_ipaddr(vty, tlvh);
2056 break;
2057 case TE_LINK_SUBTLV_RMTIF_IPADDR:
2058 sum += show_vty_link_subtlv_rmtif_ipaddr(vty, tlvh);
2059 break;
2060 case TE_LINK_SUBTLV_TE_METRIC:
2061 sum += show_vty_link_subtlv_te_metric(vty, tlvh);
2062 break;
2063 case TE_LINK_SUBTLV_MAX_BW:
2064 sum += show_vty_link_subtlv_max_bw(vty, tlvh);
2065 break;
2066 case TE_LINK_SUBTLV_MAX_RSV_BW:
2067 sum += show_vty_link_subtlv_max_rsv_bw(vty, tlvh);
2068 break;
2069 case TE_LINK_SUBTLV_UNRSV_BW:
2070 sum += show_vty_link_subtlv_unrsv_bw(vty, tlvh);
2071 break;
2072 case TE_LINK_SUBTLV_RSC_CLSCLR:
2073 sum += show_vty_link_subtlv_rsc_clsclr(vty, tlvh);
2074 break;
2075 case TE_LINK_SUBTLV_LRRID:
2076 sum += show_vty_link_subtlv_lrrid(vty, tlvh);
2077 break;
2078 case TE_LINK_SUBTLV_LLRI:
2079 sum += show_vty_link_subtlv_llri(vty, tlvh);
2080 break;
2081 case TE_LINK_SUBTLV_RIP:
2082 sum += show_vty_link_subtlv_rip(vty, tlvh);
2083 break;
2084 case TE_LINK_SUBTLV_RAS:
2085 sum += show_vty_link_subtlv_ras(vty, tlvh);
2086 break;
2087 case TE_LINK_SUBTLV_AV_DELAY:
2088 sum += show_vty_link_subtlv_av_delay(vty, tlvh);
2089 break;
2090 case TE_LINK_SUBTLV_MM_DELAY:
2091 sum += show_vty_link_subtlv_mm_delay(vty, tlvh);
2092 break;
2093 case TE_LINK_SUBTLV_DELAY_VAR:
2094 sum += show_vty_link_subtlv_delay_var(vty, tlvh);
2095 break;
2096 case TE_LINK_SUBTLV_PKT_LOSS:
2097 sum += show_vty_link_subtlv_pkt_loss(vty, tlvh);
2098 break;
2099 case TE_LINK_SUBTLV_RES_BW:
2100 sum += show_vty_link_subtlv_res_bw(vty, tlvh);
2101 break;
2102 case TE_LINK_SUBTLV_AVA_BW:
2103 sum += show_vty_link_subtlv_ava_bw(vty, tlvh);
2104 break;
2105 case TE_LINK_SUBTLV_USE_BW:
2106 sum += show_vty_link_subtlv_use_bw(vty, tlvh);
2107 break;
2108 default:
2109 sum += show_vty_unknown_tlv(vty, tlvh);
2110 break;
2111 }
2112 }
2113 return sum;
2114 }
2115
2116 static void ospf_mpls_te_show_info(struct vty *vty, struct ospf_lsa *lsa)
2117 {
2118 struct lsa_header *lsah = (struct lsa_header *)lsa->data;
2119 struct tlv_header *tlvh, *next;
2120 u_int16_t sum, total;
2121 u_int16_t (*subfunc)(struct vty * vty, struct tlv_header * tlvh,
2122 u_int16_t subtotal, u_int16_t total) = NULL;
2123
2124 sum = 0;
2125 total = ntohs(lsah->length) - OSPF_LSA_HEADER_SIZE;
2126
2127 for (tlvh = TLV_HDR_TOP(lsah); sum < total;
2128 tlvh = (next ? next : TLV_HDR_NEXT(tlvh))) {
2129 if (subfunc != NULL) {
2130 sum = (*subfunc)(vty, tlvh, sum, total);
2131 next = (struct tlv_header *)((char *)tlvh + sum);
2132 subfunc = NULL;
2133 continue;
2134 }
2135
2136 next = NULL;
2137 switch (ntohs(tlvh->type)) {
2138 case TE_TLV_ROUTER_ADDR:
2139 sum += show_vty_router_addr(vty, tlvh);
2140 break;
2141 case TE_TLV_LINK:
2142 sum += show_vty_link_header(vty, tlvh);
2143 subfunc = ospf_mpls_te_show_link_subtlv;
2144 next = TLV_DATA(tlvh);
2145 break;
2146 default:
2147 sum += show_vty_unknown_tlv(vty, tlvh);
2148 break;
2149 }
2150 }
2151 return;
2152 }
2153
2154 static void ospf_mpls_te_config_write_router(struct vty *vty)
2155 {
2156
2157 if (OspfMplsTE.enabled) {
2158 vty_out(vty, " mpls-te on\n");
2159 vty_out(vty, " mpls-te router-address %s\n",
2160 inet_ntoa(OspfMplsTE.router_addr.value));
2161 }
2162
2163 if (OspfMplsTE.inter_as == AS)
2164 vty_out(vty, " mpls-te inter-as as\n");
2165 if (OspfMplsTE.inter_as == Area)
2166 vty_out(vty, " mpls-te inter-as area %s \n",
2167 inet_ntoa(OspfMplsTE.interas_areaid));
2168
2169 return;
2170 }
2171
2172 /*------------------------------------------------------------------------*
2173 * Followings are vty command functions.
2174 *------------------------------------------------------------------------*/
2175
2176 DEFUN (ospf_mpls_te_on,
2177 ospf_mpls_te_on_cmd,
2178 "mpls-te on",
2179 MPLS_TE_STR
2180 "Enable the MPLS-TE functionality\n")
2181 {
2182 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
2183 struct listnode *node;
2184 struct mpls_te_link *lp;
2185
2186 if (OspfMplsTE.enabled)
2187 return CMD_SUCCESS;
2188
2189 if (IS_DEBUG_OSPF_EVENT)
2190 zlog_debug("MPLS-TE: OFF -> ON");
2191
2192 OspfMplsTE.enabled = true;
2193
2194 /* Reoriginate RFC3630 & RFC6827 Links */
2195 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule,
2196 REORIGINATE_THIS_LSA);
2197
2198 /* Reoriginate LSA if INTER-AS is always on */
2199 if (OspfMplsTE.inter_as != Off) {
2200 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp)) {
2201 if (IS_INTER_AS(lp->type)) {
2202 ospf_mpls_te_lsa_schedule(lp,
2203 REORIGINATE_THIS_LSA);
2204 }
2205 }
2206 }
2207
2208 return CMD_SUCCESS;
2209 }
2210
2211 DEFUN (no_ospf_mpls_te,
2212 no_ospf_mpls_te_cmd,
2213 "no mpls-te [on]",
2214 NO_STR
2215 MPLS_TE_STR
2216 "Disable the MPLS-TE functionality\n")
2217 {
2218 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
2219 struct listnode *node, *nnode;
2220 struct mpls_te_link *lp;
2221
2222 if (!OspfMplsTE.enabled)
2223 return CMD_SUCCESS;
2224
2225 if (IS_DEBUG_OSPF_EVENT)
2226 zlog_debug("MPLS-TE: ON -> OFF");
2227
2228 OspfMplsTE.enabled = false;
2229
2230 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
2231 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
2232 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
2233
2234 return CMD_SUCCESS;
2235 }
2236
2237
2238 DEFUN (ospf_mpls_te_router_addr,
2239 ospf_mpls_te_router_addr_cmd,
2240 "mpls-te router-address A.B.C.D",
2241 MPLS_TE_STR
2242 "Stable IP address of the advertising router\n"
2243 "MPLS-TE router address in IPv4 address format\n")
2244 {
2245 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
2246 int idx_ipv4 = 2;
2247 struct te_tlv_router_addr *ra = &OspfMplsTE.router_addr;
2248 struct in_addr value;
2249
2250 if (!inet_aton(argv[idx_ipv4]->arg, &value)) {
2251 vty_out(vty, "Please specify Router-Addr by A.B.C.D\n");
2252 return CMD_WARNING;
2253 }
2254
2255 if (ntohs(ra->header.type) == 0
2256 || ntohl(ra->value.s_addr) != ntohl(value.s_addr)) {
2257 struct listnode *node, *nnode;
2258 struct mpls_te_link *lp;
2259 int need_to_reoriginate = 0;
2260
2261 set_mpls_te_router_addr(value);
2262
2263 if (!OspfMplsTE.enabled)
2264 return CMD_SUCCESS;
2265
2266 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
2267 if ((lp->area == NULL) || IS_FLOOD_AS(lp->type))
2268 continue;
2269
2270 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
2271 need_to_reoriginate = 1;
2272 break;
2273 }
2274 }
2275
2276 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
2277 if ((lp->area == NULL) || IS_FLOOD_AS(lp->type))
2278 continue;
2279
2280 if (need_to_reoriginate)
2281 SET_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH);
2282 else
2283 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
2284 }
2285
2286 if (need_to_reoriginate)
2287 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule,
2288 REORIGINATE_THIS_LSA);
2289 }
2290
2291 return CMD_SUCCESS;
2292 }
2293
2294 static int set_inter_as_mode(struct vty *vty, const char *mode_name,
2295 const char *area_id)
2296 {
2297 enum inter_as_mode mode;
2298 struct listnode *node;
2299 struct mpls_te_link *lp;
2300 int format;
2301
2302 if (OspfMplsTE.enabled) {
2303
2304 /* Read and Check inter_as mode */
2305 if (strcmp(mode_name, "as") == 0)
2306 mode = AS;
2307 else if (strcmp(mode_name, "area") == 0) {
2308 mode = Area;
2309 VTY_GET_OSPF_AREA_ID(OspfMplsTE.interas_areaid, format,
2310 area_id);
2311 } else {
2312 vty_out(vty,
2313 "Unknown mode. Please choose between as or area\n");
2314 return CMD_WARNING;
2315 }
2316
2317 if (IS_DEBUG_OSPF_EVENT)
2318 zlog_debug(
2319 "MPLS-TE: Inter-AS enable with %s flooding support",
2320 mode2text[mode]);
2321
2322 /* Register new callbacks regarding the flooding scope (AS or
2323 * Area) */
2324 if (ospf_mpls_te_register(mode) < 0) {
2325 vty_out(vty,
2326 "Internal error: Unable to register Inter-AS functions\n");
2327 return CMD_WARNING;
2328 }
2329
2330 /* Enable mode and re-originate LSA if needed */
2331 if ((OspfMplsTE.inter_as == Off)
2332 && (mode != OspfMplsTE.inter_as)) {
2333 OspfMplsTE.inter_as = mode;
2334 /* Re-originate all InterAS-TEv2 LSA */
2335 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node,
2336 lp)) {
2337 if (IS_INTER_AS(lp->type)) {
2338 if (mode == AS)
2339 lp->type |= FLOOD_AS;
2340 else
2341 lp->type |= FLOOD_AREA;
2342 ospf_mpls_te_lsa_schedule(
2343 lp, REORIGINATE_THIS_LSA);
2344 }
2345 }
2346 } else {
2347 vty_out(vty,
2348 "Please change Inter-AS support to disable first before going to mode %s\n",
2349 mode2text[mode]);
2350 return CMD_WARNING;
2351 }
2352 } else {
2353 vty_out(vty, "mpls-te has not been turned on\n");
2354 return CMD_WARNING;
2355 }
2356 return CMD_SUCCESS;
2357 }
2358
2359
2360 DEFUN (ospf_mpls_te_inter_as_as,
2361 ospf_mpls_te_inter_as_cmd,
2362 "mpls-te inter-as as",
2363 MPLS_TE_STR
2364 "Configure MPLS-TE Inter-AS support\n"
2365 "AS native mode self originate INTER_AS LSA with Type 11 (as flooding scope)\n")
2366 {
2367 return set_inter_as_mode(vty, "as", "");
2368 }
2369
2370 DEFUN (ospf_mpls_te_inter_as_area,
2371 ospf_mpls_te_inter_as_area_cmd,
2372 "mpls-te inter-as area <A.B.C.D|(0-4294967295)>",
2373 MPLS_TE_STR
2374 "Configure MPLS-TE Inter-AS support\n"
2375 "AREA native mode self originate INTER_AS LSA with Type 10 (area flooding scope)\n"
2376 "OSPF area ID in IP format\n"
2377 "OSPF area ID as decimal value\n")
2378 {
2379 int idx_ipv4_number = 3;
2380 return set_inter_as_mode(vty, "area", argv[idx_ipv4_number]->arg);
2381 }
2382
2383 DEFUN (no_ospf_mpls_te_inter_as,
2384 no_ospf_mpls_te_inter_as_cmd,
2385 "no mpls-te inter-as",
2386 NO_STR
2387 MPLS_TE_STR
2388 "Disable MPLS-TE Inter-AS support\n")
2389 {
2390
2391 struct listnode *node, *nnode;
2392 struct mpls_te_link *lp;
2393
2394 if (IS_DEBUG_OSPF_EVENT)
2395 zlog_debug("MPLS-TE: Inter-AS support OFF");
2396
2397 if ((OspfMplsTE.enabled)
2398 && (OspfMplsTE.inter_as != Off)) {
2399 OspfMplsTE.inter_as = Off;
2400 /* Flush all Inter-AS LSA */
2401 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
2402 if (IS_INTER_AS(lp->type)
2403 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
2404 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
2405 }
2406
2407 /* Deregister the Callbacks for Inter-AS suport */
2408 ospf_mpls_te_unregister();
2409
2410 return CMD_SUCCESS;
2411 }
2412
2413 DEFUN (show_ip_ospf_mpls_te_router,
2414 show_ip_ospf_mpls_te_router_cmd,
2415 "show ip ospf mpls-te router",
2416 SHOW_STR
2417 IP_STR
2418 OSPF_STR
2419 "MPLS-TE information\n"
2420 "MPLS-TE Router parameters\n")
2421 {
2422 if (OspfMplsTE.enabled) {
2423 vty_out(vty, "--- MPLS-TE router parameters ---\n");
2424
2425 if (ntohs(OspfMplsTE.router_addr.header.type) != 0)
2426 show_vty_router_addr(vty,
2427 &OspfMplsTE.router_addr.header);
2428 else
2429 vty_out(vty, " N/A\n");
2430 }
2431 return CMD_SUCCESS;
2432 }
2433
2434 static void show_mpls_te_link_sub(struct vty *vty, struct interface *ifp)
2435 {
2436 struct mpls_te_link *lp;
2437
2438 if ((OspfMplsTE.enabled) && HAS_LINK_PARAMS(ifp)
2439 && !if_is_loopback(ifp) && if_is_up(ifp)
2440 && ((lp = lookup_linkparams_by_ifp(ifp)) != NULL)) {
2441 /* Continue only if interface is not passive or support Inter-AS
2442 * TEv2 */
2443 if (!(ospf_oi_count(ifp) > 0)) {
2444 if (IS_INTER_AS(lp->type)) {
2445 vty_out(vty,
2446 "-- Inter-AS TEv2 link parameters for %s --\n",
2447 ifp->name);
2448 } else {
2449 /* MPLS-TE is not activate on this interface */
2450 /* or this interface is passive and Inter-AS
2451 * TEv2 is not activate */
2452 vty_out(vty,
2453 " %s: MPLS-TE is disabled on this interface\n",
2454 ifp->name);
2455 return;
2456 }
2457 } else {
2458 vty_out(vty, "-- MPLS-TE link parameters for %s --\n",
2459 ifp->name);
2460 }
2461
2462 if (TLV_TYPE(lp->link_type) != 0)
2463 show_vty_link_subtlv_link_type(vty,
2464 &lp->link_type.header);
2465 if (TLV_TYPE(lp->link_id) != 0)
2466 show_vty_link_subtlv_link_id(vty, &lp->link_id.header);
2467 if (TLV_TYPE(lp->lclif_ipaddr) != 0)
2468 show_vty_link_subtlv_lclif_ipaddr(
2469 vty, &lp->lclif_ipaddr.header);
2470 if (TLV_TYPE(lp->rmtif_ipaddr) != 0)
2471 show_vty_link_subtlv_rmtif_ipaddr(
2472 vty, &lp->rmtif_ipaddr.header);
2473 if (TLV_TYPE(lp->rip) != 0)
2474 show_vty_link_subtlv_rip(vty, &lp->rip.header);
2475 if (TLV_TYPE(lp->ras) != 0)
2476 show_vty_link_subtlv_ras(vty, &lp->ras.header);
2477 if (TLV_TYPE(lp->te_metric) != 0)
2478 show_vty_link_subtlv_te_metric(vty,
2479 &lp->te_metric.header);
2480 if (TLV_TYPE(lp->max_bw) != 0)
2481 show_vty_link_subtlv_max_bw(vty, &lp->max_bw.header);
2482 if (TLV_TYPE(lp->max_rsv_bw) != 0)
2483 show_vty_link_subtlv_max_rsv_bw(vty,
2484 &lp->max_rsv_bw.header);
2485 if (TLV_TYPE(lp->unrsv_bw) != 0)
2486 show_vty_link_subtlv_unrsv_bw(vty,
2487 &lp->unrsv_bw.header);
2488 if (TLV_TYPE(lp->rsc_clsclr) != 0)
2489 show_vty_link_subtlv_rsc_clsclr(vty,
2490 &lp->rsc_clsclr.header);
2491 if (TLV_TYPE(lp->av_delay) != 0)
2492 show_vty_link_subtlv_av_delay(vty,
2493 &lp->av_delay.header);
2494 if (TLV_TYPE(lp->mm_delay) != 0)
2495 show_vty_link_subtlv_mm_delay(vty,
2496 &lp->mm_delay.header);
2497 if (TLV_TYPE(lp->delay_var) != 0)
2498 show_vty_link_subtlv_delay_var(vty,
2499 &lp->delay_var.header);
2500 if (TLV_TYPE(lp->pkt_loss) != 0)
2501 show_vty_link_subtlv_pkt_loss(vty,
2502 &lp->pkt_loss.header);
2503 if (TLV_TYPE(lp->res_bw) != 0)
2504 show_vty_link_subtlv_res_bw(vty, &lp->res_bw.header);
2505 if (TLV_TYPE(lp->ava_bw) != 0)
2506 show_vty_link_subtlv_ava_bw(vty, &lp->ava_bw.header);
2507 if (TLV_TYPE(lp->use_bw) != 0)
2508 show_vty_link_subtlv_use_bw(vty, &lp->use_bw.header);
2509 vty_out(vty, "---------------\n\n");
2510 } else {
2511 vty_out(vty, " %s: MPLS-TE is disabled on this interface\n",
2512 ifp->name);
2513 }
2514
2515 return;
2516 }
2517
2518 DEFUN (show_ip_ospf_mpls_te_link,
2519 show_ip_ospf_mpls_te_link_cmd,
2520 "show ip ospf mpls-te interface [INTERFACE]",
2521 SHOW_STR
2522 IP_STR
2523 OSPF_STR
2524 "MPLS-TE information\n"
2525 "Interface information\n"
2526 "Interface name\n")
2527 {
2528 int idx_interface = 5;
2529 struct interface *ifp;
2530 struct listnode *node, *nnode;
2531
2532 /* Show All Interfaces. */
2533 if (argc == 5) {
2534 for (ALL_LIST_ELEMENTS(vrf_iflist(VRF_DEFAULT), node, nnode,
2535 ifp))
2536 show_mpls_te_link_sub(vty, ifp);
2537 }
2538 /* Interface name is specified. */
2539 else {
2540 if ((ifp = if_lookup_by_name(argv[idx_interface]->arg,
2541 VRF_DEFAULT))
2542 == NULL)
2543 vty_out(vty, "No such interface name\n");
2544 else
2545 show_mpls_te_link_sub(vty, ifp);
2546 }
2547
2548 return CMD_SUCCESS;
2549 }
2550
2551 static void ospf_mpls_te_register_vty(void)
2552 {
2553 install_element(VIEW_NODE, &show_ip_ospf_mpls_te_router_cmd);
2554 install_element(VIEW_NODE, &show_ip_ospf_mpls_te_link_cmd);
2555
2556 install_element(OSPF_NODE, &ospf_mpls_te_on_cmd);
2557 install_element(OSPF_NODE, &no_ospf_mpls_te_cmd);
2558 install_element(OSPF_NODE, &ospf_mpls_te_router_addr_cmd);
2559 install_element(OSPF_NODE, &ospf_mpls_te_inter_as_cmd);
2560 install_element(OSPF_NODE, &ospf_mpls_te_inter_as_area_cmd);
2561 install_element(OSPF_NODE, &no_ospf_mpls_te_inter_as_cmd);
2562
2563 return;
2564 }
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