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718e3744 1/*
16f1b9ee 2 * This is an implementation of RFC3630
718e3744 3 * Copyright (C) 2001 KDD R&D Laboratories, Inc.
4 * http://www.kddlabs.co.jp/
5 *
16f1b9ee
OD		 6 * Copyright (C) 2012 Orange Labs
7 * http://www.orange.com
8 *
718e3744 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.
896014f4 15 *
718e3744 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 *
896014f4
DL		 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
718e3744 24 */
25
16f1b9ee
OD		 26/* Add support of RFC7471 */
27/* Add support of RFC5392, RFC6827 */
718e3744 28
29#include <zebra.h>
16f1b9ee 30#include <math.h>
718e3744 31
718e3744 32#include "linklist.h"
33#include "prefix.h"
b2d7c082 34#include "vrf.h"
718e3744 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"
d62a17ae 44#include "sockunion.h" /* for inet_aton() */
16f1b9ee 45#include "network.h"
718e3744 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"
16f1b9ee 63#include "ospfd/ospf_vty.h"
718e3744 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 */
16f1b9ee 69struct ospf_mpls_te OspfMplsTE;
718e3744 70
ead99d5f 71const char *mode2text[] = {"Off", "AS", "Area"};
718e3744 72
73/*------------------------------------------------------------------------*
74 * Followings are initialize/terminate functions for MPLS-TE handling.
75 *------------------------------------------------------------------------*/
76
d62a17ae 77static int ospf_mpls_te_new_if(struct interface *ifp);
78static int ospf_mpls_te_del_if(struct interface *ifp);
79static void ospf_mpls_te_ism_change(struct ospf_interface *oi, int old_status);
80static void ospf_mpls_te_nsm_change(struct ospf_neighbor *nbr, int old_status);
81static void ospf_mpls_te_config_write_router(struct vty *vty);
82static void ospf_mpls_te_show_info(struct vty *vty, struct ospf_lsa *lsa);
83static int ospf_mpls_te_lsa_originate_area(void *arg);
84static int ospf_mpls_te_lsa_originate_as(void *arg);
85static struct ospf_lsa *ospf_mpls_te_lsa_refresh(struct ospf_lsa *lsa);
86
87static void del_mpls_te_link(void *val);
88static void ospf_mpls_te_register_vty(void);
89
90int 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,
718e3744 98 ospf_mpls_te_config_write_router,
d62a17ae 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 */
718e3744 103 NULL /* ospf_mpls_te_del_lsa_hook */);
d62a17ae 104 if (rc != 0) {
105 zlog_warn(
106 "ospf_mpls_te_init: Failed to register Traffic Engineering functions");
ead99d5f 107 return rc;
d62a17ae 108 }
718e3744 109
d62a17ae 110 memset(&OspfMplsTE, 0, sizeof(struct ospf_mpls_te));
32ab5cf4 111 OspfMplsTE.enabled = false;
ead99d5f 112 OspfMplsTE.inter_as = Off;
d62a17ae 113 OspfMplsTE.iflist = list_new();
114 OspfMplsTE.iflist->del = del_mpls_te_link;
718e3744 115
d62a17ae 116 ospf_mpls_te_register_vty();
718e3744 117
d62a17ae 118 return rc;
718e3744 119}
120
16f1b9ee 121/* Additional register for RFC5392 support */
d62a17ae 122static int ospf_mpls_te_register(enum inter_as_mode mode)
16f1b9ee 123{
ead99d5f 124 int rc = 0;
d62a17ae 125 u_int8_t scope;
16f1b9ee 126
ead99d5f
OD		 127 if (OspfMplsTE.inter_as != Off)
128 return rc;
16f1b9ee 129
d62a17ae 130 if (mode == AS)
131 scope = OSPF_OPAQUE_AS_LSA;
132 else
133 scope = OSPF_OPAQUE_AREA_LSA;
16f1b9ee 134
d62a17ae 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);
16f1b9ee 140
d62a17ae 141 if (rc != 0) {
142 zlog_warn(
143 "ospf_router_info_init: Failed to register Inter-AS functions");
144 return rc;
145 }
16f1b9ee 146
ead99d5f 147 return rc;
16f1b9ee
OD		 148}
149
bcf4475e
OD		 150static 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
d62a17ae 167void ospf_mpls_te_term(void)
718e3744 168{
affe9e99 169 list_delete_and_null(&OspfMplsTE.iflist);
718e3744 170
bcf4475e
OD		 171 ospf_delete_opaque_functab(OSPF_OPAQUE_AREA_LSA,
172 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA);
173
32ab5cf4 174 OspfMplsTE.enabled = false;
16f1b9ee 175
bcf4475e 176 ospf_mpls_te_unregister();
ead99d5f 177 OspfMplsTE.inter_as = Off;
16f1b9ee 178
d62a17ae 179 return;
718e3744 180}
181
bcf4475e
OD		 182void ospf_mpls_te_finish(void)
183{
184 // list_delete_all_node(OspfMplsTE.iflist);
185
186 OspfMplsTE.enabled = false;
187 OspfMplsTE.inter_as = Off;
188}
189
718e3744 190/*------------------------------------------------------------------------*
191 * Followings are control functions for MPLS-TE parameters management.
192 *------------------------------------------------------------------------*/
193
d62a17ae 194static void del_mpls_te_link(void *val)
718e3744 195{
d62a17ae 196 XFREE(MTYPE_OSPF_MPLS_TE, val);
197 return;
718e3744 198}
199
ead99d5f 200static u_int32_t get_mpls_te_instance_value(void)
718e3744 201{
d62a17ae 202 static u_int32_t seqno = 0;
718e3744 203
d62a17ae 204 if (seqno < MAX_LEGAL_TE_INSTANCE_NUM)
205 seqno += 1;
206 else
207 seqno = 1; /* Avoid zero. */
718e3744 208
d62a17ae 209 return seqno;
718e3744 210}
211
d62a17ae 212static struct mpls_te_link *lookup_linkparams_by_ifp(struct interface *ifp)
718e3744 213{
d62a17ae 214 struct listnode *node, *nnode;
215 struct mpls_te_link *lp;
718e3744 216
d62a17ae 217 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
218 if (lp->ifp == ifp)
219 return lp;
718e3744 220
d62a17ae 221 return NULL;
718e3744 222}
223
d62a17ae 224static struct mpls_te_link *lookup_linkparams_by_instance(struct ospf_lsa *lsa)
718e3744 225{
d62a17ae 226 struct listnode *node;
227 struct mpls_te_link *lp;
228 unsigned int key = GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr));
718e3744 229
d62a17ae 230 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp))
231 if (lp->instance == key)
232 return lp;
718e3744 233
d62a17ae 234 zlog_warn("lookup_linkparams_by_instance: Entry not found: key(%x)",
235 key);
236 return NULL;
718e3744 237}
238
d62a17ae 239static void ospf_mpls_te_foreach_area(void (*func)(struct mpls_te_link *lp,
2a39170c
OD		 240 enum lsa_opcode sched_opcode),
241 enum lsa_opcode sched_opcode)
718e3744 242{
d62a17ae 243 struct listnode *node, *nnode;
244 struct listnode *node2;
245 struct mpls_te_link *lp;
246 struct ospf_area *area;
718e3744 247
d62a17ae 248 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
249 /* Skip Inter-AS TEv2 Links */
250 if (IS_INTER_AS(lp->type))
251 continue;
252 if ((area = lp->area) == NULL)
253 continue;
32ab5cf4
OD		 254 if (CHECK_FLAG(lp->flags, LPFLG_LOOKUP_DONE))
255 continue;
718e3744 256
d62a17ae 257 if (func != NULL)
258 (*func)(lp, sched_opcode);
718e3744 259
d62a17ae 260 for (node2 = listnextnode(node); node2;
261 node2 = listnextnode(node2))
262 if ((lp = listgetdata(node2)) != NULL)
263 if (lp->area != NULL)
264 if (IPV4_ADDR_SAME(&lp->area->area_id,
265 &area->area_id))
266 SET_FLAG(lp->flags,
267 LPFLG_LOOKUP_DONE);
268 }
718e3744 269
d62a17ae 270 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp))
271 if (lp->area != NULL)
272 UNSET_FLAG(lp->flags, LPFLG_LOOKUP_DONE);
718e3744 273
d62a17ae 274 return;
718e3744 275}
276
d62a17ae 277static void set_mpls_te_router_addr(struct in_addr ipv4)
718e3744 278{
d62a17ae 279 OspfMplsTE.router_addr.header.type = htons(TE_TLV_ROUTER_ADDR);
280 OspfMplsTE.router_addr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
281 OspfMplsTE.router_addr.value = ipv4;
282 return;
718e3744 283}
284
d62a17ae 285static void set_linkparams_link_header(struct mpls_te_link *lp)
718e3744 286{
d62a17ae 287 u_int16_t length = 0;
718e3744 288
d62a17ae 289 /* TE_LINK_SUBTLV_LINK_TYPE */
290 if (ntohs(lp->link_type.header.type) != 0)
291 length += TLV_SIZE(&lp->link_type.header);
718e3744 292
d62a17ae 293 /* TE_LINK_SUBTLV_LINK_ID */
294 if (ntohs(lp->link_id.header.type) != 0)
295 length += TLV_SIZE(&lp->link_id.header);
718e3744 296
d62a17ae 297 /* TE_LINK_SUBTLV_LCLIF_IPADDR */
298 if (lp->lclif_ipaddr.header.type != 0)
299 length += TLV_SIZE(&lp->lclif_ipaddr.header);
718e3744 300
d62a17ae 301 /* TE_LINK_SUBTLV_RMTIF_IPADDR */
302 if (lp->rmtif_ipaddr.header.type != 0)
303 length += TLV_SIZE(&lp->rmtif_ipaddr.header);
718e3744 304
d62a17ae 305 /* TE_LINK_SUBTLV_TE_METRIC */
306 if (ntohs(lp->te_metric.header.type) != 0)
307 length += TLV_SIZE(&lp->te_metric.header);
718e3744 308
d62a17ae 309 /* TE_LINK_SUBTLV_MAX_BW */
310 if (ntohs(lp->max_bw.header.type) != 0)
311 length += TLV_SIZE(&lp->max_bw.header);
718e3744 312
d62a17ae 313 /* TE_LINK_SUBTLV_MAX_RSV_BW */
314 if (ntohs(lp->max_rsv_bw.header.type) != 0)
315 length += TLV_SIZE(&lp->max_rsv_bw.header);
718e3744 316
d62a17ae 317 /* TE_LINK_SUBTLV_UNRSV_BW */
318 if (ntohs(lp->unrsv_bw.header.type) != 0)
319 length += TLV_SIZE(&lp->unrsv_bw.header);
718e3744 320
d62a17ae 321 /* TE_LINK_SUBTLV_RSC_CLSCLR */
322 if (ntohs(lp->rsc_clsclr.header.type) != 0)
323 length += TLV_SIZE(&lp->rsc_clsclr.header);
324
325 /* TE_LINK_SUBTLV_LLRI */
326 if (ntohs(lp->llri.header.type) != 0)
327 length += TLV_SIZE(&lp->llri.header);
328
329 /* TE_LINK_SUBTLV_RIP */
330 if (ntohs(lp->rip.header.type) != 0)
331 length += TLV_SIZE(&lp->rip.header);
332
333 /* TE_LINK_SUBTLV_RAS */
334 if (ntohs(lp->ras.header.type) != 0)
335 length += TLV_SIZE(&lp->ras.header);
336
337 /* TE_LINK_SUBTLV_LRRID */
338 if (ntohs(lp->lrrid.header.type) != 0)
339 length += TLV_SIZE(&lp->lrrid.header);
340
341 /* TE_LINK_SUBTLV_AV_DELAY */
342 if (ntohs(lp->av_delay.header.type) != 0)
343 length += TLV_SIZE(&lp->av_delay.header);
344
345 /* TE_LINK_SUBTLV_MM_DELAY */
346 if (ntohs(lp->mm_delay.header.type) != 0)
347 length += TLV_SIZE(&lp->mm_delay.header);
348
349 /* TE_LINK_SUBTLV_DELAY_VAR */
350 if (ntohs(lp->delay_var.header.type) != 0)
351 length += TLV_SIZE(&lp->delay_var.header);
352
353 /* TE_LINK_SUBTLV_PKT_LOSS */
354 if (ntohs(lp->pkt_loss.header.type) != 0)
355 length += TLV_SIZE(&lp->pkt_loss.header);
356
357 /* TE_LINK_SUBTLV_RES_BW */
358 if (ntohs(lp->res_bw.header.type) != 0)
359 length += TLV_SIZE(&lp->res_bw.header);
360
361 /* TE_LINK_SUBTLV_AVA_BW */
362 if (ntohs(lp->ava_bw.header.type) != 0)
363 length += TLV_SIZE(&lp->ava_bw.header);
364
365 /* TE_LINK_SUBTLV_USE_BW */
366 if (ntohs(lp->use_bw.header.type) != 0)
367 length += TLV_SIZE(&lp->use_bw.header);
718e3744 368
d62a17ae 369 lp->link_header.header.type = htons(TE_TLV_LINK);
370 lp->link_header.header.length = htons(length);
371
372 return;
718e3744 373}
d62a17ae 374
375static void set_linkparams_link_type(struct ospf_interface *oi,
376 struct mpls_te_link *lp)
377{
378 lp->link_type.header.type = htons(TE_LINK_SUBTLV_LINK_TYPE);
379 lp->link_type.header.length = htons(TE_LINK_SUBTLV_TYPE_SIZE);
380
381 switch (oi->type) {
382 case OSPF_IFTYPE_POINTOPOINT:
383 lp->link_type.link_type.value = LINK_TYPE_SUBTLV_VALUE_PTP;
384 break;
385 case OSPF_IFTYPE_BROADCAST:
386 case OSPF_IFTYPE_NBMA:
387 lp->link_type.link_type.value = LINK_TYPE_SUBTLV_VALUE_MA;
388 break;
389 default:
390 /* Not supported yet. */ /* XXX */
391 lp->link_type.header.type = htons(0);
392 break;
393 }
394 return;
718e3744 395}
d62a17ae 396
397static void set_linkparams_link_id(struct ospf_interface *oi,
398 struct mpls_te_link *lp)
718e3744 399{
d62a17ae 400 struct ospf_neighbor *nbr;
401 int done = 0;
718e3744 402
d62a17ae 403 lp->link_id.header.type = htons(TE_LINK_SUBTLV_LINK_ID);
404 lp->link_id.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
718e3744 405
d62a17ae 406 /*
407 * The Link ID is identical to the contents of the Link ID field
408 * in the Router LSA for these link types.
409 */
410 switch (oi->type) {
411 case OSPF_IFTYPE_POINTOPOINT:
412 /* Take the router ID of the neighbor. */
413 if ((nbr = ospf_nbr_lookup_ptop(oi))
414 && nbr->state == NSM_Full) {
415 lp->link_id.value = nbr->router_id;
416 done = 1;
417 }
418 break;
419 case OSPF_IFTYPE_BROADCAST:
420 case OSPF_IFTYPE_NBMA:
421 /* Take the interface address of the designated router. */
422 if ((nbr = ospf_nbr_lookup_by_addr(oi->nbrs, &DR(oi))) == NULL)
423 break;
718e3744 424
d62a17ae 425 if (nbr->state == NSM_Full
426 || (IPV4_ADDR_SAME(&oi->address->u.prefix4, &DR(oi))
427 && ospf_nbr_count(oi, NSM_Full) > 0)) {
428 lp->link_id.value = DR(oi);
429 done = 1;
430 }
431 break;
432 default:
433 /* Not supported yet. */ /* XXX */
434 lp->link_id.header.type = htons(0);
435 break;
436 }
437
438 if (!done) {
439 struct in_addr mask;
440 masklen2ip(oi->address->prefixlen, &mask);
441 lp->link_id.value.s_addr =
442 oi->address->u.prefix4.s_addr & mask.s_addr;
443 }
444 return;
718e3744 445}
446
d62a17ae 447static void set_linkparams_lclif_ipaddr(struct mpls_te_link *lp,
448 struct in_addr lclif)
16f1b9ee
OD		 449{
450
d62a17ae 451 lp->lclif_ipaddr.header.type = htons(TE_LINK_SUBTLV_LCLIF_IPADDR);
452 lp->lclif_ipaddr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
453 lp->lclif_ipaddr.value[0] = lclif;
454 return;
16f1b9ee
OD		 455}
456
d62a17ae 457static void set_linkparams_rmtif_ipaddr(struct mpls_te_link *lp,
458 struct in_addr rmtif)
16f1b9ee
OD		 459{
460
d62a17ae 461 lp->rmtif_ipaddr.header.type = htons(TE_LINK_SUBTLV_RMTIF_IPADDR);
462 lp->rmtif_ipaddr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
463 lp->rmtif_ipaddr.value[0] = rmtif;
464 return;
16f1b9ee
OD		 465}
466
d62a17ae 467static void set_linkparams_te_metric(struct mpls_te_link *lp,
468 u_int32_t te_metric)
718e3744 469{
d62a17ae 470 lp->te_metric.header.type = htons(TE_LINK_SUBTLV_TE_METRIC);
471 lp->te_metric.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
472 lp->te_metric.value = htonl(te_metric);
473 return;
718e3744 474}
475
d62a17ae 476static void set_linkparams_max_bw(struct mpls_te_link *lp, float fp)
718e3744 477{
d62a17ae 478 lp->max_bw.header.type = htons(TE_LINK_SUBTLV_MAX_BW);
479 lp->max_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
480 lp->max_bw.value = htonf(fp);
481 return;
718e3744 482}
483
d62a17ae 484static void set_linkparams_max_rsv_bw(struct mpls_te_link *lp, float fp)
718e3744 485{
d62a17ae 486 lp->max_rsv_bw.header.type = htons(TE_LINK_SUBTLV_MAX_RSV_BW);
487 lp->max_rsv_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
488 lp->max_rsv_bw.value = htonf(fp);
489 return;
718e3744 490}
491
d62a17ae 492static void set_linkparams_unrsv_bw(struct mpls_te_link *lp, int priority,
493 float fp)
718e3744 494{
d62a17ae 495 /* Note that TLV-length field is the size of array. */
496 lp->unrsv_bw.header.type = htons(TE_LINK_SUBTLV_UNRSV_BW);
497 lp->unrsv_bw.header.length = htons(TE_LINK_SUBTLV_UNRSV_SIZE);
498 lp->unrsv_bw.value[priority] = htonf(fp);
499 return;
718e3744 500}
501
d62a17ae 502static void set_linkparams_rsc_clsclr(struct mpls_te_link *lp,
503 u_int32_t classcolor)
718e3744 504{
d62a17ae 505 lp->rsc_clsclr.header.type = htons(TE_LINK_SUBTLV_RSC_CLSCLR);
506 lp->rsc_clsclr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
507 lp->rsc_clsclr.value = htonl(classcolor);
508 return;
718e3744 509}
510
d62a17ae 511static void set_linkparams_inter_as(struct mpls_te_link *lp,
512 struct in_addr addr, u_int32_t as)
16f1b9ee
OD		 513{
514
d62a17ae 515 /* Set the Remote ASBR IP address and then the associated AS number */
516 lp->rip.header.type = htons(TE_LINK_SUBTLV_RIP);
517 lp->rip.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
518 lp->rip.value = addr;
16f1b9ee 519
d62a17ae 520 lp->ras.header.type = htons(TE_LINK_SUBTLV_RAS);
521 lp->ras.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
522 lp->ras.value = htonl(as);
16f1b9ee
OD		 523}
524
d62a17ae 525static void unset_linkparams_inter_as(struct mpls_te_link *lp)
16f1b9ee
OD		 526{
527
d62a17ae 528 /* Reset the Remote ASBR IP address and then the associated AS number */
529 lp->rip.header.type = htons(0);
530 lp->rip.header.length = htons(0);
531 lp->rip.value.s_addr = htonl(0);
16f1b9ee 532
d62a17ae 533 lp->ras.header.type = htons(0);
534 lp->ras.header.length = htons(0);
535 lp->ras.value = htonl(0);
16f1b9ee
OD		 536}
537
d62a17ae 538void set_linkparams_llri(struct mpls_te_link *lp, u_int32_t local,
539 u_int32_t remote)
16f1b9ee
OD		 540{
541
d62a17ae 542 lp->llri.header.type = htons(TE_LINK_SUBTLV_LLRI);
543 lp->llri.header.length = htons(TE_LINK_SUBTLV_LLRI_SIZE);
544 lp->llri.local = htonl(local);
545 lp->llri.remote = htonl(remote);
16f1b9ee
OD		 546}
547
d62a17ae 548void set_linkparams_lrrid(struct mpls_te_link *lp, struct in_addr local,
549 struct in_addr remote)
16f1b9ee
OD		 550{
551
d62a17ae 552 lp->lrrid.header.type = htons(TE_LINK_SUBTLV_LRRID);
553 lp->lrrid.header.length = htons(TE_LINK_SUBTLV_LRRID_SIZE);
554 lp->lrrid.local.s_addr = local.s_addr;
555 lp->lrrid.remote.s_addr = remote.s_addr;
16f1b9ee
OD		 556}
557
d62a17ae 558static void set_linkparams_av_delay(struct mpls_te_link *lp, u_int32_t delay,
559 u_char anormal)
16f1b9ee 560{
d62a17ae 561 u_int32_t tmp;
562 /* Note that TLV-length field is the size of array. */
563 lp->av_delay.header.type = htons(TE_LINK_SUBTLV_AV_DELAY);
564 lp->av_delay.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
565 tmp = delay & TE_EXT_MASK;
566 if (anormal)
567 tmp |= TE_EXT_ANORMAL;
568 lp->av_delay.value = htonl(tmp);
569 return;
16f1b9ee
OD		 570}
571
d62a17ae 572static void set_linkparams_mm_delay(struct mpls_te_link *lp, u_int32_t low,
573 u_int32_t high, u_char anormal)
16f1b9ee 574{
d62a17ae 575 u_int32_t tmp;
576 /* Note that TLV-length field is the size of array. */
577 lp->mm_delay.header.type = htons(TE_LINK_SUBTLV_MM_DELAY);
578 lp->mm_delay.header.length = htons(TE_LINK_SUBTLV_MM_DELAY_SIZE);
579 tmp = low & TE_EXT_MASK;
580 if (anormal)
581 tmp |= TE_EXT_ANORMAL;
582 lp->mm_delay.low = htonl(tmp);
583 lp->mm_delay.high = htonl(high);
584 return;
16f1b9ee
OD		 585}
586
d62a17ae 587static void set_linkparams_delay_var(struct mpls_te_link *lp, u_int32_t jitter)
16f1b9ee 588{
d62a17ae 589 /* Note that TLV-length field is the size of array. */
590 lp->delay_var.header.type = htons(TE_LINK_SUBTLV_DELAY_VAR);
591 lp->delay_var.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
592 lp->delay_var.value = htonl(jitter & TE_EXT_MASK);
593 return;
16f1b9ee
OD		 594}
595
d62a17ae 596static void set_linkparams_pkt_loss(struct mpls_te_link *lp, u_int32_t loss,
597 u_char anormal)
16f1b9ee 598{
d62a17ae 599 u_int32_t tmp;
600 /* Note that TLV-length field is the size of array. */
601 lp->pkt_loss.header.type = htons(TE_LINK_SUBTLV_PKT_LOSS);
602 lp->pkt_loss.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
603 tmp = loss & TE_EXT_MASK;
604 if (anormal)
605 tmp |= TE_EXT_ANORMAL;
606 lp->pkt_loss.value = htonl(tmp);
607 return;
16f1b9ee
OD		 608}
609
d62a17ae 610static void set_linkparams_res_bw(struct mpls_te_link *lp, float fp)
16f1b9ee 611{
d62a17ae 612 /* Note that TLV-length field is the size of array. */
613 lp->res_bw.header.type = htons(TE_LINK_SUBTLV_RES_BW);
614 lp->res_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
615 lp->res_bw.value = htonf(fp);
616 return;
16f1b9ee
OD		 617}
618
d62a17ae 619static void set_linkparams_ava_bw(struct mpls_te_link *lp, float fp)
16f1b9ee 620{
d62a17ae 621 /* Note that TLV-length field is the size of array. */
622 lp->ava_bw.header.type = htons(TE_LINK_SUBTLV_AVA_BW);
623 lp->ava_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
624 lp->ava_bw.value = htonf(fp);
625 return;
16f1b9ee
OD		 626}
627
d62a17ae 628static void set_linkparams_use_bw(struct mpls_te_link *lp, float fp)
16f1b9ee 629{
d62a17ae 630 /* Note that TLV-length field is the size of array. */
631 lp->use_bw.header.type = htons(TE_LINK_SUBTLV_USE_BW);
632 lp->use_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
633 lp->use_bw.value = htonf(fp);
634 return;
16f1b9ee
OD		 635}
636
637/* Update TE parameters from Interface */
d62a17ae 638static void update_linkparams(struct mpls_te_link *lp)
639{
640 int i;
641 struct interface *ifp;
642
643 /* Get the Interface structure */
644 if ((ifp = lp->ifp) == NULL) {
645 if (IS_DEBUG_OSPF_TE)
646 zlog_debug(
647 "OSPF MPLS-TE: Abort update TE parameters: no interface associated to Link Parameters");
648 return;
649 }
650 if (!HAS_LINK_PARAMS(ifp)) {
651 if (IS_DEBUG_OSPF_TE)
652 zlog_debug(
653 "OSPF MPLS-TE: Abort update TE parameters: no Link Parameters for interface");
654 return;
655 }
656
657 /* RFC3630 metrics */
658 if (IS_PARAM_SET(ifp->link_params, LP_ADM_GRP))
659 set_linkparams_rsc_clsclr(lp, ifp->link_params->admin_grp);
660 else
661 TLV_TYPE(lp->rsc_clsclr) = 0;
662
663 if (IS_PARAM_SET(ifp->link_params, LP_MAX_BW))
664 set_linkparams_max_bw(lp, ifp->link_params->max_bw);
665 else
666 TLV_TYPE(lp->max_bw) = 0;
667
668 if (IS_PARAM_SET(ifp->link_params, LP_MAX_RSV_BW))
669 set_linkparams_max_rsv_bw(lp, ifp->link_params->max_rsv_bw);
670 else
671 TLV_TYPE(lp->max_rsv_bw) = 0;
672
673 if (IS_PARAM_SET(ifp->link_params, LP_UNRSV_BW))
674 for (i = 0; i < MAX_CLASS_TYPE; i++)
675 set_linkparams_unrsv_bw(lp, i,
676 ifp->link_params->unrsv_bw[i]);
677 else
678 TLV_TYPE(lp->unrsv_bw) = 0;
679
680 if (IS_PARAM_SET(ifp->link_params, LP_TE_METRIC))
681 set_linkparams_te_metric(lp, ifp->link_params->te_metric);
682 else
683 TLV_TYPE(lp->te_metric) = 0;
684
685 /* TE metric Extensions */
686 if (IS_PARAM_SET(ifp->link_params, LP_DELAY))
687 set_linkparams_av_delay(lp, ifp->link_params->av_delay, 0);
688 else
689 TLV_TYPE(lp->av_delay) = 0;
690
691 if (IS_PARAM_SET(ifp->link_params, LP_MM_DELAY))
692 set_linkparams_mm_delay(lp, ifp->link_params->min_delay,
693 ifp->link_params->max_delay, 0);
694 else
695 TLV_TYPE(lp->mm_delay) = 0;
696
697 if (IS_PARAM_SET(ifp->link_params, LP_DELAY_VAR))
698 set_linkparams_delay_var(lp, ifp->link_params->delay_var);
699 else
700 TLV_TYPE(lp->delay_var) = 0;
701
702 if (IS_PARAM_SET(ifp->link_params, LP_PKT_LOSS))
703 set_linkparams_pkt_loss(lp, ifp->link_params->pkt_loss, 0);
704 else
705 TLV_TYPE(lp->pkt_loss) = 0;
706
707 if (IS_PARAM_SET(ifp->link_params, LP_RES_BW))
708 set_linkparams_res_bw(lp, ifp->link_params->res_bw);
709 else
710 TLV_TYPE(lp->res_bw) = 0;
711
712 if (IS_PARAM_SET(ifp->link_params, LP_AVA_BW))
713 set_linkparams_ava_bw(lp, ifp->link_params->ava_bw);
714 else
715 TLV_TYPE(lp->ava_bw) = 0;
716
717 if (IS_PARAM_SET(ifp->link_params, LP_USE_BW))
718 set_linkparams_use_bw(lp, ifp->link_params->use_bw);
719 else
720 TLV_TYPE(lp->use_bw) = 0;
721
722 /* RFC5392 */
723 if (IS_PARAM_SET(ifp->link_params, LP_RMT_AS)) {
724 /* Flush LSA if it engaged and was previously a STD_TE one */
725 if (IS_STD_TE(lp->type)
726 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
727 if (IS_DEBUG_OSPF_TE)
728 zlog_debug(
729 "OSPF MPLS-TE Update IF: Switch from Standard LSA to INTER-AS for %s[%d/%d]",
730 ifp->name, lp->flags, lp->type);
731
732 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
733 /* Then, switch it to INTER-AS */
734 if (OspfMplsTE.inter_as == AS)
735 lp->flags = INTER_AS | FLOOD_AS;
736 else {
737 lp->flags = INTER_AS | FLOOD_AREA;
738 lp->area = ospf_area_lookup_by_area_id(
b5a8894d 739 ospf_lookup_by_vrf_id(VRF_DEFAULT),
d62a17ae 740 OspfMplsTE.interas_areaid);
741 }
742 }
743 set_linkparams_inter_as(lp, ifp->link_params->rmt_ip,
744 ifp->link_params->rmt_as);
745 } else {
746 if (IS_DEBUG_OSPF_TE)
747 zlog_debug(
748 "OSPF MPLS-TE Update IF: Switch from INTER-AS LSA to Standard for %s[%d/%d]",
749 ifp->name, lp->flags, lp->type);
750
751 /* reset inter-as TE params */
752 /* Flush LSA if it engaged and was previously an INTER_AS one */
753 if (IS_INTER_AS(lp->type)
754 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
755 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
756 /* Then, switch it to Standard TE */
757 lp->flags = STD_TE | FLOOD_AREA;
758 }
759 unset_linkparams_inter_as(lp);
760 }
761}
762
763static void initialize_linkparams(struct mpls_te_link *lp)
764{
765 struct interface *ifp = lp->ifp;
ead99d5f
OD		 766 struct ospf_interface *oi = NULL;
767 struct route_node *rn;
d62a17ae 768
769 if (IS_DEBUG_OSPF_TE)
770 zlog_debug(
771 "MPLS-TE(initialize_linkparams) Initialize Link Parameters for interface %s",
772 ifp->name);
773
ead99d5f
OD		 774 /* Search OSPF Interface parameters for this interface */
775 for (rn = route_top (IF_OIFS (ifp)); rn; rn = route_next (rn)) {
776
777 if ((oi = rn->info) == NULL)
778 continue;
779
780 if (oi->ifp == ifp)
781 break;
782 }
783
784 if ((oi == NULL) || (oi->ifp != ifp)) {
d62a17ae 785 if (IS_DEBUG_OSPF_TE)
786 zlog_warn(
787 "MPLS-TE(initialize_linkparams) Could not find corresponding OSPF Interface for %s",
788 ifp->name);
789 return;
790 }
791
792 /*
793 * Try to set initial values those can be derived from
794 * zebra-interface information.
795 */
796 set_linkparams_link_type(oi, lp);
797
798 /* Set local IP addr */
799 set_linkparams_lclif_ipaddr(lp, oi->address->u.prefix4);
800
801 /* Set Remote IP addr if Point to Point Interface */
ead99d5f 802 if (oi->type == OSPF_IFTYPE_POINTOPOINT) {
d62a17ae 803 struct prefix *pref = CONNECTED_PREFIX(oi->connected);
804 if (pref != NULL)
805 set_linkparams_rmtif_ipaddr(lp, pref->u.prefix4);
806 }
807
808 /* Keep Area information in combination with link parameters. */
809 lp->area = oi->area;
810
811 return;
812}
813
814static int is_mandated_params_set(struct mpls_te_link *lp)
815{
816 int rc = 0;
817
818 if (ntohs(OspfMplsTE.router_addr.header.type) == 0) {
819 zlog_warn(
820 "MPLS-TE(is_mandated_params_set) Missing Router Address");
ead99d5f 821 return rc;
d62a17ae 822 }
823
824 if (ntohs(lp->link_type.header.type) == 0) {
825 zlog_warn("MPLS-TE(is_mandated_params_set) Missing Link Type");
ead99d5f 826 return rc;
d62a17ae 827 }
828
829 if (!IS_INTER_AS(lp->type) && (ntohs(lp->link_id.header.type) == 0)) {
830 zlog_warn("MPLS-TE(is_mandated_params_set) Missing Link ID");
ead99d5f 831 return rc;
d62a17ae 832 }
833
834 rc = 1;
d62a17ae 835 return rc;
718e3744 836}
837
838/*------------------------------------------------------------------------*
839 * Followings are callback functions against generic Opaque-LSAs handling.
840 *------------------------------------------------------------------------*/
841
d62a17ae 842static int ospf_mpls_te_new_if(struct interface *ifp)
718e3744 843{
d62a17ae 844 struct mpls_te_link *new;
845 int rc = -1;
718e3744 846
d62a17ae 847 if (IS_DEBUG_OSPF_TE)
848 zlog_debug(
849 "MPLS-TE(ospf_mpls_te_new_if) Add new %s interface %s to MPLS-TE list",
850 ifp->link_params ? "Active" : "Inactive", ifp->name);
16f1b9ee 851
d62a17ae 852 if (lookup_linkparams_by_ifp(ifp) != NULL) {
853 zlog_warn("ospf_mpls_te_new_if: ifp(%p) already in use?",
854 (void *)ifp);
855 rc = 0; /* Do nothing here. */
ead99d5f 856 return rc;
d62a17ae 857 }
718e3744 858
d62a17ae 859 new = XCALLOC(MTYPE_OSPF_MPLS_TE, sizeof(struct mpls_te_link));
860 if (new == NULL) {
861 zlog_warn("ospf_mpls_te_new_if: XMALLOC: %s",
862 safe_strerror(errno));
ead99d5f 863 return rc;
d62a17ae 864 }
718e3744 865
d62a17ae 866 new->instance = get_mpls_te_instance_value();
867 new->ifp = ifp;
868 /* By default TE-Link is RFC3630 compatible flooding in Area and not
869 * active */
870 /* This default behavior will be adapted with call to
871 * ospf_mpls_te_update_if() */
872 new->type = STD_TE | FLOOD_AREA;
873 new->flags = LPFLG_LSA_INACTIVE;
16f1b9ee 874
d62a17ae 875 /* Initialize Link Parameters from Interface */
876 initialize_linkparams(new);
718e3744 877
d62a17ae 878 /* Set TE Parameters from Interface */
879 update_linkparams(new);
718e3744 880
d62a17ae 881 /* Add Link Parameters structure to the list */
882 listnode_add(OspfMplsTE.iflist, new);
718e3744 883
d62a17ae 884 if (IS_DEBUG_OSPF_TE)
885 zlog_debug(
886 "OSPF MPLS-TE New IF: Add new LP context for %s[%d/%d]",
887 ifp->name, new->flags, new->type);
16f1b9ee 888
d62a17ae 889 /* Schedule Opaque-LSA refresh. */ /* XXX */
718e3744 890
d62a17ae 891 rc = 0;
d62a17ae 892 return rc;
718e3744 893}
894
d62a17ae 895static int ospf_mpls_te_del_if(struct interface *ifp)
718e3744 896{
d62a17ae 897 struct mpls_te_link *lp;
898 int rc = -1;
718e3744 899
d62a17ae 900 if ((lp = lookup_linkparams_by_ifp(ifp)) != NULL) {
901 struct list *iflist = OspfMplsTE.iflist;
718e3744 902
d62a17ae 903 /* Dequeue listnode entry from the list. */
904 listnode_delete(iflist, lp);
718e3744 905
d62a17ae 906 /* Avoid misjudgement in the next lookup. */
907 if (listcount(iflist) == 0)
908 iflist->head = iflist->tail = NULL;
718e3744 909
d62a17ae 910 XFREE(MTYPE_OSPF_MPLS_TE, lp);
911 }
718e3744 912
d62a17ae 913 /* Schedule Opaque-LSA refresh. */ /* XXX */
718e3744 914
d62a17ae 915 rc = 0;
d62a17ae 916 return rc;
718e3744 917}
918
16f1b9ee
OD		 919/* Main initialization / update function of the MPLS TE Link context */
920
921/* Call when interface TE Link parameters are modified */
d62a17ae 922void ospf_mpls_te_update_if(struct interface *ifp)
923{
924 struct mpls_te_link *lp;
925
926 if (IS_DEBUG_OSPF_TE)
927 zlog_debug(
928 "OSPF MPLS-TE: Update LSA parameters for interface %s [%s]",
929 ifp->name, HAS_LINK_PARAMS(ifp) ? "ON" : "OFF");
930
931 /* Get Link context from interface */
932 if ((lp = lookup_linkparams_by_ifp(ifp)) == NULL) {
ead99d5f
OD		 933 zlog_warn(
934 "OSPF MPLS-TE Update: Did not find Link Parameters context for interface %s",
935 ifp->name);
d62a17ae 936 return;
937 }
938
939 /* Fulfill MPLS-TE Link TLV from Interface TE Link parameters */
940 if (HAS_LINK_PARAMS(ifp)) {
941 SET_FLAG(lp->flags, LPFLG_LSA_ACTIVE);
942
943 /* Update TE parameters */
944 update_linkparams(lp);
945
946 /* Finally Re-Originate or Refresh Opaque LSA if MPLS_TE is
947 * enabled */
32ab5cf4 948 if (OspfMplsTE.enabled)
d62a17ae 949 if (lp->area != NULL) {
32ab5cf4
OD		 950 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
951 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
952 else
953 ospf_mpls_te_lsa_schedule(lp, REORIGINATE_THIS_LSA);
d62a17ae 954 }
955 } else {
956 /* If MPLS TE is disable on this interface, flush LSA if it is
957 * already engaged */
32ab5cf4
OD		 958 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
959 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
d62a17ae 960 else
961 /* Reset Activity flag */
962 lp->flags = LPFLG_LSA_INACTIVE;
963 }
964
965 return;
966}
967
968static void ospf_mpls_te_ism_change(struct ospf_interface *oi, int old_state)
969{
970 struct te_link_subtlv_link_type old_type;
971 struct te_link_subtlv_link_id old_id;
972 struct mpls_te_link *lp;
973
974 if ((lp = lookup_linkparams_by_ifp(oi->ifp)) == NULL) {
975 zlog_warn(
976 "ospf_mpls_te_ism_change: Cannot get linkparams from OI(%s)?",
977 IF_NAME(oi));
ead99d5f 978 return;
d62a17ae 979 }
980
981 if (oi->area == NULL || oi->area->ospf == NULL) {
982 zlog_warn(
983 "ospf_mpls_te_ism_change: Cannot refer to OSPF from OI(%s)?",
984 IF_NAME(oi));
ead99d5f 985 return;
d62a17ae 986 }
718e3744 987#ifdef notyet
d62a17ae 988 if ((lp->area != NULL
989 && !IPV4_ADDR_SAME(&lp->area->area_id, &oi->area->area_id))
990 || (lp->area != NULL && oi->area == NULL)) {
991 /* How should we consider this case? */
992 zlog_warn(
993 "MPLS-TE: Area for OI(%s) has changed to [%s], flush previous LSAs",
994 IF_NAME(oi),
995 oi->area ? inet_ntoa(oi->area->area_id) : "N/A");
996 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
997 }
718e3744 998#endif
d62a17ae 999 /* Keep Area information in combination with linkparams. */
1000 lp->area = oi->area;
1001
1002 /* Keep interface MPLS-TE status */
1003 lp->flags = HAS_LINK_PARAMS(oi->ifp);
1004
1005 switch (oi->state) {
1006 case ISM_PointToPoint:
1007 case ISM_DROther:
1008 case ISM_Backup:
1009 case ISM_DR:
1010 old_type = lp->link_type;
1011 old_id = lp->link_id;
1012
1013 /* Set Link type, Link ID, Local and Remote IP addr */
1014 set_linkparams_link_type(oi, lp);
1015 set_linkparams_link_id(oi, lp);
1016 set_linkparams_lclif_ipaddr(lp, oi->address->u.prefix4);
1017
1018 if (oi->type == LINK_TYPE_SUBTLV_VALUE_PTP) {
1019 struct prefix *pref = CONNECTED_PREFIX(oi->connected);
1020 if (pref != NULL)
1021 set_linkparams_rmtif_ipaddr(lp,
1022 pref->u.prefix4);
1023 }
1024
1025 /* Update TE parameters */
1026 update_linkparams(lp);
1027
1028 /* Try to Schedule LSA */
1029 if ((ntohs(old_type.header.type)
1030 != ntohs(lp->link_type.header.type)
1031 || old_type.link_type.value
1032 != lp->link_type.link_type.value)
1033 || (ntohs(old_id.header.type)
1034 != ntohs(lp->link_id.header.type)
1035 || ntohl(old_id.value.s_addr)
1036 != ntohl(lp->link_id.value.s_addr))) {
32ab5cf4
OD		 1037 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
1038 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
1039 else
1040 ospf_mpls_te_lsa_schedule(lp, REORIGINATE_THIS_LSA);
d62a17ae 1041 }
1042 break;
1043 default:
1044 lp->link_type.header.type = htons(0);
1045 lp->link_id.header.type = htons(0);
1046
32ab5cf4
OD		 1047 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
1048 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
d62a17ae 1049 break;
1050 }
718e3744 1051
d62a17ae 1052 return;
718e3744 1053}
1054
d62a17ae 1055static void ospf_mpls_te_nsm_change(struct ospf_neighbor *nbr, int old_state)
718e3744 1056{
d62a17ae 1057 /* Nothing to do here */
1058 return;
718e3744 1059}
1060
1061/*------------------------------------------------------------------------*
1062 * Followings are OSPF protocol processing functions for MPLS-TE.
1063 *------------------------------------------------------------------------*/
1064
ead99d5f 1065static void build_tlv_header(struct stream *s, struct tlv_header *tlvh)
d62a17ae 1066{
ead99d5f 1067 stream_put(s, tlvh, sizeof(struct tlv_header));
d62a17ae 1068 return;
1069}
1070
1071static void build_router_tlv(struct stream *s)
1072{
ead99d5f 1073 struct tlv_header *tlvh = &OspfMplsTE.router_addr.header;
d62a17ae 1074 if (ntohs(tlvh->type) != 0) {
1075 build_tlv_header(s, tlvh);
5d0df50f 1076 stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh));
d62a17ae 1077 }
1078 return;
1079}
1080
ead99d5f 1081static void build_link_subtlv(struct stream *s, struct tlv_header *tlvh)
d62a17ae 1082{
1083
1084 if ((tlvh != NULL) && (ntohs(tlvh->type) != 0)) {
1085 build_tlv_header(s, tlvh);
5d0df50f 1086 stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh));
d62a17ae 1087 }
1088 return;
1089}
1090
1091static void build_link_tlv(struct stream *s, struct mpls_te_link *lp)
1092{
1093 set_linkparams_link_header(lp);
1094 build_tlv_header(s, &lp->link_header.header);
1095
1096 build_link_subtlv(s, &lp->link_type.header);
1097 build_link_subtlv(s, &lp->link_id.header);
1098 build_link_subtlv(s, &lp->lclif_ipaddr.header);
1099 build_link_subtlv(s, &lp->rmtif_ipaddr.header);
1100 build_link_subtlv(s, &lp->te_metric.header);
1101 build_link_subtlv(s, &lp->max_bw.header);
1102 build_link_subtlv(s, &lp->max_rsv_bw.header);
1103 build_link_subtlv(s, &lp->unrsv_bw.header);
1104 build_link_subtlv(s, &lp->rsc_clsclr.header);
1105 build_link_subtlv(s, &lp->lrrid.header);
1106 build_link_subtlv(s, &lp->llri.header);
1107 build_link_subtlv(s, &lp->rip.header);
1108 build_link_subtlv(s, &lp->ras.header);
1109 build_link_subtlv(s, &lp->av_delay.header);
1110 build_link_subtlv(s, &lp->mm_delay.header);
1111 build_link_subtlv(s, &lp->delay_var.header);
1112 build_link_subtlv(s, &lp->pkt_loss.header);
1113 build_link_subtlv(s, &lp->res_bw.header);
1114 build_link_subtlv(s, &lp->ava_bw.header);
1115 build_link_subtlv(s, &lp->use_bw.header);
1116
1117 return;
1118}
1119
1120static void ospf_mpls_te_lsa_body_set(struct stream *s, struct mpls_te_link *lp)
1121{
1122 /*
1123 * The router address TLV is type 1, and ...
1124 * It must appear in exactly one
1125 * Traffic Engineering LSA originated by a router.
1126 */
1127 build_router_tlv(s);
1128
1129 /*
1130 * Only one Link TLV shall be carried in each LSA, allowing for fine
1131 * granularity changes in topology.
1132 */
1133 build_link_tlv(s, lp);
1134 return;
718e3744 1135}
1136
1137/* Create new opaque-LSA. */
b5a8894d
CS		 1138static struct ospf_lsa *ospf_mpls_te_lsa_new(struct ospf *ospf,
1139 struct ospf_area *area,
d62a17ae 1140 struct mpls_te_link *lp)
1141{
1142 struct stream *s;
1143 struct lsa_header *lsah;
1144 struct ospf_lsa *new = NULL;
1145 u_char options, lsa_type = 0;
1146 struct in_addr lsa_id;
1147 u_int32_t tmp;
1148 u_int16_t length;
1149
1150 /* Create a stream for LSA. */
1151 if ((s = stream_new(OSPF_MAX_LSA_SIZE)) == NULL) {
1152 zlog_warn("ospf_mpls_te_lsa_new: stream_new() ?");
ead99d5f 1153 return NULL;
d62a17ae 1154 }
1155 lsah = (struct lsa_header *)STREAM_DATA(s);
1156
1157 options = OSPF_OPTION_O; /* Don't forget this :-) */
1158
1159 /* Set opaque-LSA header fields depending of the type of RFC */
1160 if (IS_INTER_AS(lp->type)) {
1161 if
1162 IS_FLOOD_AS(lp->type)
1163 {
1164 options |= OSPF_OPTION_E; /* Enable AS external
1165 as we flood
1166 Inter-AS with
1167 Opaque Type 11 */
1168 lsa_type = OSPF_OPAQUE_AS_LSA;
1169 }
1170 else {
1171 options |= LSA_OPTIONS_GET(
1172 area); /* Get area default option */
1173 options |= LSA_OPTIONS_NSSA_GET(area);
1174 lsa_type = OSPF_OPAQUE_AREA_LSA;
1175 }
1176 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA, lp->instance);
1177 lsa_id.s_addr = htonl(tmp);
1178
0760d3c9
DS		 1179 if (!ospf) {
1180 stream_free(s);
b5a8894d 1181 return NULL;
0760d3c9 1182 }
d62a17ae 1183
b5a8894d 1184 lsa_header_set(s, options, lsa_type, lsa_id, ospf->router_id);
d62a17ae 1185 } else {
1186 options |= LSA_OPTIONS_GET(area); /* Get area default option */
1187 options |= LSA_OPTIONS_NSSA_GET(area);
1188 lsa_type = OSPF_OPAQUE_AREA_LSA;
1189 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA,
1190 lp->instance);
1191 lsa_id.s_addr = htonl(tmp);
1192 lsa_header_set(s, options, lsa_type, lsa_id,
1193 area->ospf->router_id);
1194 }
1195
1196 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE))
1197 zlog_debug(
1198 "LSA[Type%d:%s]: Create an Opaque-LSA/MPLS-TE instance",
1199 lsa_type, inet_ntoa(lsa_id));
1200
1201 /* Set opaque-LSA body fields. */
1202 ospf_mpls_te_lsa_body_set(s, lp);
1203
1204 /* Set length. */
1205 length = stream_get_endp(s);
1206 lsah->length = htons(length);
1207
1208 /* Now, create an OSPF LSA instance. */
1209 if ((new = ospf_lsa_new()) == NULL) {
1210 zlog_warn("ospf_mpls_te_lsa_new: ospf_lsa_new() ?");
1211 stream_free(s);
ead99d5f 1212 return NULL;
d62a17ae 1213 }
1214 if ((new->data = ospf_lsa_data_new(length)) == NULL) {
1215 zlog_warn("ospf_mpls_te_lsa_new: ospf_lsa_data_new() ?");
1216 ospf_lsa_unlock(&new);
1217 new = NULL;
1218 stream_free(s);
ead99d5f 1219 return new;
d62a17ae 1220 }
1221
b5a8894d
CS		 1222 new->vrf_id = ospf->vrf_id;
1223 if (area && area->ospf)
1224 new->vrf_id = area->ospf->vrf_id;
d62a17ae 1225 new->area = area;
1226 SET_FLAG(new->flags, OSPF_LSA_SELF);
1227 memcpy(new->data, lsah, length);
1228 stream_free(s);
718e3744 1229
d62a17ae 1230 return new;
1231}
1232
1233static int ospf_mpls_te_lsa_originate1(struct ospf_area *area,
1234 struct mpls_te_link *lp)
1235{
b5a8894d 1236 struct ospf_lsa *new = NULL;
d62a17ae 1237 int rc = -1;
1238
1239 /* Create new Opaque-LSA/MPLS-TE instance. */
b5a8894d
CS		 1240 new = ospf_mpls_te_lsa_new(area->ospf, area, lp);
1241 if (new == NULL) {
d62a17ae 1242 zlog_warn(
1243 "ospf_mpls_te_lsa_originate1: ospf_mpls_te_lsa_new() ?");
ead99d5f 1244 return rc;
d62a17ae 1245 }
1246
1247 /* Install this LSA into LSDB. */
1248 if (ospf_lsa_install(area->ospf, NULL /*oi*/, new) == NULL) {
1249 zlog_warn("ospf_mpls_te_lsa_originate1: ospf_lsa_install() ?");
1250 ospf_lsa_unlock(&new);
ead99d5f 1251 return rc;
d62a17ae 1252 }
1253
1254 /* Now this link-parameter entry has associated LSA. */
1255 SET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
1256 /* Update new LSA origination count. */
1257 area->ospf->lsa_originate_count++;
1258
1259 /* Flood new LSA through area. */
1260 ospf_flood_through_area(area, NULL /*nbr*/, new);
1261
1262 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) {
1263 char area_id[INET_ADDRSTRLEN];
a1d6bbb1 1264 strlcpy(area_id, inet_ntoa(area->area_id), sizeof(area_id));
d62a17ae 1265 zlog_debug(
1266 "LSA[Type%d:%s]: Originate Opaque-LSA/MPLS-TE: Area(%s), Link(%s)",
1267 new->data->type, inet_ntoa(new->data->id), area_id,
1268 lp->ifp->name);
1269 ospf_lsa_header_dump(new->data);
1270 }
1271
1272 rc = 0;
d62a17ae 1273 return rc;
1274}
1275
1276static int ospf_mpls_te_lsa_originate_area(void *arg)
1277{
1278 struct ospf_area *area = (struct ospf_area *)arg;
1279 struct listnode *node, *nnode;
1280 struct mpls_te_link *lp;
1281 int rc = -1;
1282
32ab5cf4 1283 if (!OspfMplsTE.enabled) {
d62a17ae 1284 zlog_info(
1285 "ospf_mpls_te_lsa_originate_area: MPLS-TE is disabled now.");
1286 rc = 0; /* This is not an error case. */
ead99d5f 1287 return rc;
d62a17ae 1288 }
1289
1290 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
1291 /* Process only enabled LSA with area scope flooding */
1292 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)
1293 || IS_FLOOD_AS(lp->type))
1294 continue;
1295
1296 if (lp->area == NULL)
1297 continue;
1298
1299 if (!IPV4_ADDR_SAME(&lp->area->area_id, &area->area_id))
1300 continue;
1301
32ab5cf4
OD		 1302 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
1303 if (CHECK_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH)) {
1304 UNSET_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH);
1305 zlog_warn(
1306 "OSPF MPLS-TE (ospf_mpls_te_lsa_originate_area): Refresh instead of Originate");
1307 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
d62a17ae 1308 }
32ab5cf4
OD		 1309 continue;
1310 }
1311
d62a17ae 1312 if (!is_mandated_params_set(lp)) {
1313 zlog_warn(
1314 "ospf_mpls_te_lsa_originate_area: Link(%s) lacks some mandated MPLS-TE parameters.",
1315 lp->ifp ? lp->ifp->name : "?");
1316 continue;
1317 }
1318
1319 /* Ok, let's try to originate an LSA for this area and Link. */
1320 if (IS_DEBUG_OSPF_TE)
1321 zlog_debug(
1322 "MPLS-TE(ospf_mpls_te_lsa_originate_area) Let's finally reoriginate the LSA %d through the Area %s for Link %s",
1323 lp->instance, inet_ntoa(area->area_id),
1324 lp->ifp ? lp->ifp->name : "?");
1325 if (ospf_mpls_te_lsa_originate1(area, lp) != 0)
ead99d5f 1326 return rc;
d62a17ae 1327 }
1328
1329 rc = 0;
d62a17ae 1330 return rc;
1331}
718e3744 1332
d62a17ae 1333static int ospf_mpls_te_lsa_originate2(struct ospf *top,
1334 struct mpls_te_link *lp)
1335{
1336 struct ospf_lsa *new;
1337 int rc = -1;
1338
1339 /* Create new Opaque-LSA/Inter-AS instance. */
b5a8894d
CS		 1340 new = ospf_mpls_te_lsa_new(top, NULL, lp);
1341 if (new == NULL) {
d62a17ae 1342 zlog_warn(
1343 "ospf_mpls_te_lsa_originate2: ospf_router_info_lsa_new() ?");
ead99d5f 1344 return rc;
d62a17ae 1345 }
b5a8894d 1346 new->vrf_id = top->vrf_id;
d62a17ae 1347
1348 /* Install this LSA into LSDB. */
1349 if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) {
1350 zlog_warn("ospf_mpls_te_lsa_originate2: ospf_lsa_install() ?");
1351 ospf_lsa_unlock(&new);
ead99d5f 1352 return rc;
d62a17ae 1353 }
1354
1355 /* Now this Router Info parameter entry has associated LSA. */
1356 SET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
1357 /* Update new LSA origination count. */
1358 top->lsa_originate_count++;
1359
1360 /* Flood new LSA through AS. */
1361 ospf_flood_through_as(top, NULL /*nbr */, new);
1362
1363 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) {
1364 zlog_debug(
1365 "LSA[Type%d:%s]: Originate Opaque-LSA/MPLS-TE Inter-AS",
1366 new->data->type, inet_ntoa(new->data->id));
1367 ospf_lsa_header_dump(new->data);
1368 }
1369
1370 rc = 0;
d62a17ae 1371 return rc;
1372}
1373
1374static int ospf_mpls_te_lsa_originate_as(void *arg)
1375{
1376 struct ospf *top;
1377 struct ospf_area *area;
1378 struct listnode *node, *nnode;
1379 struct mpls_te_link *lp;
1380 int rc = -1;
1381
32ab5cf4 1382 if ((!OspfMplsTE.enabled)
ead99d5f 1383 || (OspfMplsTE.inter_as == Off)) {
d62a17ae 1384 zlog_info(
1385 "ospf_mpls_te_lsa_originate_as: MPLS-TE Inter-AS is disabled for now.");
1386 rc = 0; /* This is not an error case. */
ead99d5f 1387 return rc;
d62a17ae 1388 }
1389
1390 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
1391 /* Process only enabled INTER_AS Links or Pseudo-Links */
1392 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)
1393 || !IS_INTER_AS(lp->type))
1394 continue;
1395
32ab5cf4
OD		 1396 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
1397 if (CHECK_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH)) {
1398 UNSET_FLAG(lp->flags,LPFLG_LSA_FORCED_REFRESH);
1399 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
d62a17ae 1400 }
32ab5cf4
OD		 1401 continue;
1402 }
1403
d62a17ae 1404 if (!is_mandated_params_set(lp)) {
1405 zlog_warn(
1406 "ospf_mpls_te_lsa_originate_as: Link(%s) lacks some mandated MPLS-TE parameters.",
1407 lp->ifp ? lp->ifp->name : "?");
1408 continue;
1409 }
1410
1411 /* Ok, let's try to originate an LSA for this AS and Link. */
1412 if (IS_DEBUG_OSPF_TE)
1413 zlog_debug(
1414 "MPLS-TE(ospf_mpls_te_lsa_originate_as) Let's finally re-originate the Inter-AS LSA %d through the %s for Link %s",
1415 lp->instance,
1416 IS_FLOOD_AS(lp->type) ? "AS" : "Area",
1417 lp->ifp ? lp->ifp->name : "Unknown");
1418
1419 if (IS_FLOOD_AS(lp->type)) {
1420 top = (struct ospf *)arg;
1421 ospf_mpls_te_lsa_originate2(top, lp);
1422 } else {
1423 area = (struct ospf_area *)arg;
1424 ospf_mpls_te_lsa_originate1(area, lp);
1425 }
1426 }
1427
1428 rc = 0;
d62a17ae 1429 return rc;
1430}
1431
1432static struct ospf_lsa *ospf_mpls_te_lsa_refresh(struct ospf_lsa *lsa)
1433{
1434 struct mpls_te_link *lp;
1435 struct ospf_area *area = lsa->area;
1436 struct ospf *top;
1437 struct ospf_lsa *new = NULL;
1438
32ab5cf4 1439 if (!OspfMplsTE.enabled) {
d62a17ae 1440 /*
1441 * This LSA must have flushed before due to MPLS-TE status
1442 * change.
1443 * It seems a slip among routers in the routing domain.
1444 */
1445 zlog_info("ospf_mpls_te_lsa_refresh: MPLS-TE is disabled now.");
1446 lsa->data->ls_age =
1447 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1448 }
1449
1450 /* At first, resolve lsa/lp relationship. */
1451 if ((lp = lookup_linkparams_by_instance(lsa)) == NULL) {
1452 zlog_warn("ospf_mpls_te_lsa_refresh: Invalid parameter?");
1453 lsa->data->ls_age =
1454 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1455 }
1456
1457 /* Check if lp was not disable in the interval */
1458 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)) {
1459 zlog_warn(
1460 "ospf_mpls_te_lsa_refresh: lp was disabled: Flush it!");
1461 lsa->data->ls_age =
1462 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1463 }
1464
1465 /* If the lsa's age reached to MaxAge, start flushing procedure. */
1466 if (IS_LSA_MAXAGE(lsa)) {
1467 if (lp)
1468 UNSET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
1469 ospf_opaque_lsa_flush_schedule(lsa);
ead99d5f 1470 return NULL;
d62a17ae 1471 }
b5a8894d 1472 top = ospf_lookup_by_vrf_id(lsa->vrf_id);
d62a17ae 1473 /* Create new Opaque-LSA/MPLS-TE instance. */
b5a8894d
CS		 1474 new = ospf_mpls_te_lsa_new(top, area, lp);
1475 if (new == NULL) {
d62a17ae 1476 zlog_warn("ospf_mpls_te_lsa_refresh: ospf_mpls_te_lsa_new() ?");
ead99d5f 1477 return NULL;
d62a17ae 1478 }
1479 new->data->ls_seqnum = lsa_seqnum_increment(lsa);
1480
1481 /* Install this LSA into LSDB. */
1482 /* Given "lsa" will be freed in the next function. */
1483 /* As area could be NULL i.e. when using OPAQUE_LSA_AS, we prefer to use
1484 * ospf_lookup() to get ospf instance */
1485 if (area)
1486 top = area->ospf;
d62a17ae 1487
1488 if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) {
1489 zlog_warn("ospf_mpls_te_lsa_refresh: ospf_lsa_install() ?");
1490 ospf_lsa_unlock(&new);
ead99d5f 1491 return NULL;
d62a17ae 1492 }
1493
1494 /* Flood updated LSA through AS or Area depending of the RFC of the link
1495 */
1496 if (IS_FLOOD_AS(lp->type))
1497 ospf_flood_through_as(top, NULL, new);
1498 else
1499 ospf_flood_through_area(area, NULL /*nbr*/, new);
1500
1501 /* Debug logging. */
1502 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) {
1503 zlog_debug("LSA[Type%d:%s]: Refresh Opaque-LSA/MPLS-TE",
1504 new->data->type, inet_ntoa(new->data->id));
1505 ospf_lsa_header_dump(new->data);
1506 }
1507
d62a17ae 1508 return new;
1509}
1510
2a39170c 1511void ospf_mpls_te_lsa_schedule(struct mpls_te_link *lp, enum lsa_opcode opcode)
d62a17ae 1512{
1513 struct ospf_lsa lsa;
1514 struct lsa_header lsah;
1515 struct ospf *top;
1516 u_int32_t tmp;
1517
1518 memset(&lsa, 0, sizeof(lsa));
1519 memset(&lsah, 0, sizeof(lsah));
b5a8894d 1520 top = ospf_lookup_by_vrf_id(VRF_DEFAULT);
d62a17ae 1521
1522 /* Check if the pseudo link is ready to flood */
1523 if (!(CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE))
1524 || !(IS_FLOOD_AREA(lp->type) || IS_FLOOD_AS(lp->type))) {
1525 return;
1526 }
1527
1528 lsa.area = lp->area;
1529 lsa.data = &lsah;
1530 if (IS_FLOOD_AS(lp->type)) {
1531 lsah.type = OSPF_OPAQUE_AS_LSA;
1532 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA, lp->instance);
1533 lsah.id.s_addr = htonl(tmp);
1534 } else {
1535 lsah.type = OSPF_OPAQUE_AREA_LSA;
1536 if (IS_INTER_AS(lp->type)) {
1537 /* Set the area context if not know */
1538 if (lp->area == NULL)
1539 lp->area = ospf_area_lookup_by_area_id(
1540 top, OspfMplsTE.interas_areaid);
1541 /* Unable to set the area context. Abort! */
1542 if (lp->area == NULL) {
1543 zlog_warn(
1544 "MPLS-TE(ospf_mpls_te_lsa_schedule) Area context is null. Abort !");
1545 return;
1546 }
1547 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA,
1548 lp->instance);
1549 } else
1550 tmp = SET_OPAQUE_LSID(
1551 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA,
1552 lp->instance);
1553 lsah.id.s_addr = htonl(tmp);
1554 }
1555
1556 switch (opcode) {
1557 case REORIGINATE_THIS_LSA:
1558 if (IS_FLOOD_AS(lp->type)) {
1559 ospf_opaque_lsa_reoriginate_schedule(
1560 (void *)top, OSPF_OPAQUE_AS_LSA,
1561 OPAQUE_TYPE_INTER_AS_LSA);
1562 break;
1563 }
1564
1565 if (IS_FLOOD_AREA(lp->type)) {
1566 if (IS_INTER_AS(lp->type))
1567 ospf_opaque_lsa_reoriginate_schedule(
1568 (void *)lp->area, OSPF_OPAQUE_AREA_LSA,
1569 OPAQUE_TYPE_INTER_AS_LSA);
1570 else
1571 ospf_opaque_lsa_reoriginate_schedule(
1572 (void *)lp->area, OSPF_OPAQUE_AREA_LSA,
1573 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA);
1574 break;
1575 }
1576 break;
1577 case REFRESH_THIS_LSA:
1578 ospf_opaque_lsa_refresh_schedule(&lsa);
1579 break;
1580 case FLUSH_THIS_LSA:
1581 /* Reset Activity flag */
1582 lp->flags = LPFLG_LSA_INACTIVE;
1583 ospf_opaque_lsa_flush_schedule(&lsa);
1584 break;
1585 default:
1586 zlog_warn("ospf_mpls_te_lsa_schedule: Unknown opcode (%u)",
1587 opcode);
1588 break;
1589 }
1590
1591 return;
718e3744 1592}
1593
16f1b9ee 1594
718e3744 1595/*------------------------------------------------------------------------*
1596 * Followings are vty session control functions.
1597 *------------------------------------------------------------------------*/
1598
d62a17ae 1599static u_int16_t show_vty_router_addr(struct vty *vty,
ead99d5f 1600 struct tlv_header *tlvh)
718e3744 1601{
d62a17ae 1602 struct te_tlv_router_addr *top = (struct te_tlv_router_addr *)tlvh;
718e3744 1603
d62a17ae 1604 if (vty != NULL)
1605 vty_out(vty, " Router-Address: %s\n", inet_ntoa(top->value));
1606 else
1607 zlog_debug(" Router-Address: %s", inet_ntoa(top->value));
718e3744 1608
d62a17ae 1609 return TLV_SIZE(tlvh);
718e3744 1610}
1611
d62a17ae 1612static u_int16_t show_vty_link_header(struct vty *vty,
ead99d5f 1613 struct tlv_header *tlvh)
718e3744 1614{
d62a17ae 1615 struct te_tlv_link *top = (struct te_tlv_link *)tlvh;
718e3744 1616
d62a17ae 1617 if (vty != NULL)
1618 vty_out(vty, " Link: %u octets of data\n",
1619 ntohs(top->header.length));
1620 else
1621 zlog_debug(" Link: %u octets of data",
1622 ntohs(top->header.length));
718e3744 1623
d62a17ae 1624 return TLV_HDR_SIZE; /* Here is special, not "TLV_SIZE". */
718e3744 1625}
1626
d62a17ae 1627static u_int16_t show_vty_link_subtlv_link_type(struct vty *vty,
ead99d5f 1628 struct tlv_header *tlvh)
718e3744 1629{
d62a17ae 1630 struct te_link_subtlv_link_type *top;
1631 const char *cp = "Unknown";
718e3744 1632
d62a17ae 1633 top = (struct te_link_subtlv_link_type *)tlvh;
1634 switch (top->link_type.value) {
1635 case LINK_TYPE_SUBTLV_VALUE_PTP:
1636 cp = "Point-to-point";
1637 break;
1638 case LINK_TYPE_SUBTLV_VALUE_MA:
1639 cp = "Multiaccess";
1640 break;
1641 default:
1642 break;
1643 }
718e3744 1644
d62a17ae 1645 if (vty != NULL)
1646 vty_out(vty, " Link-Type: %s (%u)\n", cp,
1647 top->link_type.value);
1648 else
1649 zlog_debug(" Link-Type: %s (%u)", cp, top->link_type.value);
718e3744 1650
d62a17ae 1651 return TLV_SIZE(tlvh);
718e3744 1652}
1653
d62a17ae 1654static u_int16_t show_vty_link_subtlv_link_id(struct vty *vty,
ead99d5f 1655 struct tlv_header *tlvh)
718e3744 1656{
d62a17ae 1657 struct te_link_subtlv_link_id *top;
718e3744 1658
d62a17ae 1659 top = (struct te_link_subtlv_link_id *)tlvh;
1660 if (vty != NULL)
1661 vty_out(vty, " Link-ID: %s\n", inet_ntoa(top->value));
1662 else
1663 zlog_debug(" Link-ID: %s", inet_ntoa(top->value));
718e3744 1664
d62a17ae 1665 return TLV_SIZE(tlvh);
718e3744 1666}
1667
d62a17ae 1668static u_int16_t show_vty_link_subtlv_lclif_ipaddr(struct vty *vty,
ead99d5f 1669 struct tlv_header *tlvh)
718e3744 1670{
d62a17ae 1671 struct te_link_subtlv_lclif_ipaddr *top;
1672 int i, n;
718e3744 1673
d62a17ae 1674 top = (struct te_link_subtlv_lclif_ipaddr *)tlvh;
1675 n = ntohs(tlvh->length) / sizeof(top->value[0]);
718e3744 1676
d62a17ae 1677 if (vty != NULL)
1678 vty_out(vty, " Local Interface IP Address(es): %d\n", n);
1679 else
1680 zlog_debug(" Local Interface IP Address(es): %d", n);
718e3744 1681
d62a17ae 1682 for (i = 0; i < n; i++) {
1683 if (vty != NULL)
1684 vty_out(vty, " #%d: %s\n", i,
1685 inet_ntoa(top->value[i]));
1686 else
1687 zlog_debug(" #%d: %s", i,
1688 inet_ntoa(top->value[i]));
1689 }
1690 return TLV_SIZE(tlvh);
718e3744 1691}
1692
d62a17ae 1693static u_int16_t show_vty_link_subtlv_rmtif_ipaddr(struct vty *vty,
ead99d5f 1694 struct tlv_header *tlvh)
718e3744 1695{
d62a17ae 1696 struct te_link_subtlv_rmtif_ipaddr *top;
1697 int i, n;
718e3744 1698
d62a17ae 1699 top = (struct te_link_subtlv_rmtif_ipaddr *)tlvh;
1700 n = ntohs(tlvh->length) / sizeof(top->value[0]);
1701 if (vty != NULL)
1702 vty_out(vty, " Remote Interface IP Address(es): %d\n", n);
1703 else
1704 zlog_debug(" Remote Interface IP Address(es): %d", n);
718e3744 1705
d62a17ae 1706 for (i = 0; i < n; i++) {
1707 if (vty != NULL)
1708 vty_out(vty, " #%d: %s\n", i,
1709 inet_ntoa(top->value[i]));
1710 else
1711 zlog_debug(" #%d: %s", i,
1712 inet_ntoa(top->value[i]));
1713 }
1714 return TLV_SIZE(tlvh);
718e3744 1715}
1716
d62a17ae 1717static u_int16_t show_vty_link_subtlv_te_metric(struct vty *vty,
ead99d5f 1718 struct tlv_header *tlvh)
718e3744 1719{
d62a17ae 1720 struct te_link_subtlv_te_metric *top;
718e3744 1721
d62a17ae 1722 top = (struct te_link_subtlv_te_metric *)tlvh;
1723 if (vty != NULL)
1724 vty_out(vty, " Traffic Engineering Metric: %u\n",
1725 (u_int32_t)ntohl(top->value));
1726 else
1727 zlog_debug(" Traffic Engineering Metric: %u",
1728 (u_int32_t)ntohl(top->value));
718e3744 1729
d62a17ae 1730 return TLV_SIZE(tlvh);
718e3744 1731}
1732
d62a17ae 1733static u_int16_t show_vty_link_subtlv_max_bw(struct vty *vty,
ead99d5f 1734 struct tlv_header *tlvh)
718e3744 1735{
d62a17ae 1736 struct te_link_subtlv_max_bw *top;
1737 float fval;
718e3744 1738
d62a17ae 1739 top = (struct te_link_subtlv_max_bw *)tlvh;
1740 fval = ntohf(top->value);
718e3744 1741
d62a17ae 1742 if (vty != NULL)
1743 vty_out(vty, " Maximum Bandwidth: %g (Bytes/sec)\n", fval);
1744 else
1745 zlog_debug(" Maximum Bandwidth: %g (Bytes/sec)", fval);
718e3744 1746
d62a17ae 1747 return TLV_SIZE(tlvh);
718e3744 1748}
1749
d62a17ae 1750static u_int16_t show_vty_link_subtlv_max_rsv_bw(struct vty *vty,
ead99d5f 1751 struct tlv_header *tlvh)
718e3744 1752{
d62a17ae 1753 struct te_link_subtlv_max_rsv_bw *top;
1754 float fval;
718e3744 1755
d62a17ae 1756 top = (struct te_link_subtlv_max_rsv_bw *)tlvh;
1757 fval = ntohf(top->value);
718e3744 1758
d62a17ae 1759 if (vty != NULL)
1760 vty_out(vty, " Maximum Reservable Bandwidth: %g (Bytes/sec)\n",
1761 fval);
1762 else
1763 zlog_debug(" Maximum Reservable Bandwidth: %g (Bytes/sec)",
1764 fval);
718e3744 1765
d62a17ae 1766 return TLV_SIZE(tlvh);
718e3744 1767}
1768
d62a17ae 1769static u_int16_t show_vty_link_subtlv_unrsv_bw(struct vty *vty,
ead99d5f 1770 struct tlv_header *tlvh)
718e3744 1771{
d62a17ae 1772 struct te_link_subtlv_unrsv_bw *top;
1773 float fval1, fval2;
1774 int i;
718e3744 1775
d62a17ae 1776 top = (struct te_link_subtlv_unrsv_bw *)tlvh;
1777 if (vty != NULL)
1778 vty_out(vty,
1779 " Unreserved Bandwidth per Class Type in Byte/s:\n");
1780 else
1781 zlog_debug(
1782 " Unreserved Bandwidth per Class Type in Byte/s:");
1783 for (i = 0; i < MAX_CLASS_TYPE; i += 2) {
1784 fval1 = ntohf(top->value[i]);
1785 fval2 = ntohf(top->value[i + 1]);
16f1b9ee 1786
d62a17ae 1787 if (vty != NULL)
1788 vty_out(vty,
1789 " [%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)\n",
1790 i, fval1, i + 1, fval2);
1791 else
1792 zlog_debug(
1793 " [%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)",
1794 i, fval1, i + 1, fval2);
1795 }
718e3744 1796
d62a17ae 1797 return TLV_SIZE(tlvh);
718e3744 1798}
1799
d62a17ae 1800static u_int16_t show_vty_link_subtlv_rsc_clsclr(struct vty *vty,
ead99d5f 1801 struct tlv_header *tlvh)
718e3744 1802{
d62a17ae 1803 struct te_link_subtlv_rsc_clsclr *top;
718e3744 1804
d62a17ae 1805 top = (struct te_link_subtlv_rsc_clsclr *)tlvh;
1806 if (vty != NULL)
1807 vty_out(vty, " Resource class/color: 0x%x\n",
1808 (u_int32_t)ntohl(top->value));
1809 else
1810 zlog_debug(" Resource Class/Color: 0x%x",
1811 (u_int32_t)ntohl(top->value));
16f1b9ee 1812
d62a17ae 1813 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1814}
1815
d62a17ae 1816static u_int16_t show_vty_link_subtlv_lrrid(struct vty *vty,
ead99d5f 1817 struct tlv_header *tlvh)
16f1b9ee 1818{
d62a17ae 1819 struct te_link_subtlv_lrrid *top;
16f1b9ee 1820
d62a17ae 1821 top = (struct te_link_subtlv_lrrid *)tlvh;
16f1b9ee 1822
d62a17ae 1823 if (vty != NULL) {
1824 vty_out(vty, " Local TE Router ID: %s\n",
1825 inet_ntoa(top->local));
1826 vty_out(vty, " Remote TE Router ID: %s\n",
1827 inet_ntoa(top->remote));
1828 } else {
1829 zlog_debug(" Local TE Router ID: %s",
1830 inet_ntoa(top->local));
1831 zlog_debug(" Remote TE Router ID: %s",
1832 inet_ntoa(top->remote));
1833 }
16f1b9ee 1834
d62a17ae 1835 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1836}
1837
d62a17ae 1838static u_int16_t show_vty_link_subtlv_llri(struct vty *vty,
ead99d5f 1839 struct tlv_header *tlvh)
16f1b9ee 1840{
d62a17ae 1841 struct te_link_subtlv_llri *top;
16f1b9ee 1842
d62a17ae 1843 top = (struct te_link_subtlv_llri *)tlvh;
16f1b9ee 1844
d62a17ae 1845 if (vty != NULL) {
1846 vty_out(vty, " Link Local ID: %d\n",
1847 (u_int32_t)ntohl(top->local));
1848 vty_out(vty, " Link Remote ID: %d\n",
1849 (u_int32_t)ntohl(top->remote));
1850 } else {
1851 zlog_debug(" Link Local ID: %d",
1852 (u_int32_t)ntohl(top->local));
1853 zlog_debug(" Link Remote ID: %d",
1854 (u_int32_t)ntohl(top->remote));
1855 }
16f1b9ee 1856
d62a17ae 1857 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1858}
1859
d62a17ae 1860static u_int16_t show_vty_link_subtlv_rip(struct vty *vty,
ead99d5f 1861 struct tlv_header *tlvh)
16f1b9ee 1862{
d62a17ae 1863 struct te_link_subtlv_rip *top;
16f1b9ee 1864
d62a17ae 1865 top = (struct te_link_subtlv_rip *)tlvh;
16f1b9ee 1866
d62a17ae 1867 if (vty != NULL)
1868 vty_out(vty, " Inter-AS TE Remote ASBR IP address: %s\n",
1869 inet_ntoa(top->value));
1870 else
1871 zlog_debug(" Inter-AS TE Remote ASBR IP address: %s",
1872 inet_ntoa(top->value));
16f1b9ee 1873
d62a17ae 1874 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1875}
1876
d62a17ae 1877static u_int16_t show_vty_link_subtlv_ras(struct vty *vty,
ead99d5f 1878 struct tlv_header *tlvh)
16f1b9ee 1879{
d62a17ae 1880 struct te_link_subtlv_ras *top;
16f1b9ee 1881
d62a17ae 1882 top = (struct te_link_subtlv_ras *)tlvh;
16f1b9ee 1883
d62a17ae 1884 if (vty != NULL)
1885 vty_out(vty, " Inter-AS TE Remote AS number: %u\n",
1886 ntohl(top->value));
1887 else
1888 zlog_debug(" Inter-AS TE Remote AS number: %u",
1889 ntohl(top->value));
16f1b9ee 1890
d62a17ae 1891 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1892}
1893
d62a17ae 1894static u_int16_t show_vty_link_subtlv_av_delay(struct vty *vty,
ead99d5f 1895 struct tlv_header *tlvh)
16f1b9ee 1896{
d62a17ae 1897 struct te_link_subtlv_av_delay *top;
1898 u_int32_t delay;
1899 u_int32_t anomalous;
16f1b9ee 1900
d62a17ae 1901 top = (struct te_link_subtlv_av_delay *)tlvh;
1902 delay = (u_int32_t)ntohl(top->value) & TE_EXT_MASK;
1903 anomalous = (u_int32_t)ntohl(top->value) & TE_EXT_ANORMAL;
16f1b9ee 1904
d62a17ae 1905 if (vty != NULL)
1906 vty_out(vty, " %s Average Link Delay: %d (micro-sec)\n",
1907 anomalous ? "Anomalous" : "Normal", delay);
1908 else
1909 zlog_debug(" %s Average Link Delay: %d (micro-sec)",
1910 anomalous ? "Anomalous" : "Normal", delay);
16f1b9ee 1911
d62a17ae 1912 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1913}
1914
d62a17ae 1915static u_int16_t show_vty_link_subtlv_mm_delay(struct vty *vty,
ead99d5f 1916 struct tlv_header *tlvh)
16f1b9ee 1917{
d62a17ae 1918 struct te_link_subtlv_mm_delay *top;
1919 u_int32_t low, high;
1920 u_int32_t anomalous;
16f1b9ee 1921
d62a17ae 1922 top = (struct te_link_subtlv_mm_delay *)tlvh;
1923 low = (u_int32_t)ntohl(top->low) & TE_EXT_MASK;
1924 anomalous = (u_int32_t)ntohl(top->low) & TE_EXT_ANORMAL;
1925 high = (u_int32_t)ntohl(top->high);
16f1b9ee 1926
d62a17ae 1927 if (vty != NULL)
1928 vty_out(vty, " %s Min/Max Link Delay: %d/%d (micro-sec)\n",
1929 anomalous ? "Anomalous" : "Normal", low, high);
1930 else
1931 zlog_debug(" %s Min/Max Link Delay: %d/%d (micro-sec)",
1932 anomalous ? "Anomalous" : "Normal", low, high);
16f1b9ee 1933
d62a17ae 1934 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1935}
1936
d62a17ae 1937static u_int16_t show_vty_link_subtlv_delay_var(struct vty *vty,
ead99d5f 1938 struct tlv_header *tlvh)
16f1b9ee 1939{
d62a17ae 1940 struct te_link_subtlv_delay_var *top;
1941 u_int32_t jitter;
16f1b9ee 1942
d62a17ae 1943 top = (struct te_link_subtlv_delay_var *)tlvh;
1944 jitter = (u_int32_t)ntohl(top->value) & TE_EXT_MASK;
16f1b9ee 1945
d62a17ae 1946 if (vty != NULL)
1947 vty_out(vty, " Delay Variation: %d (micro-sec)\n", jitter);
1948 else
1949 zlog_debug(" Delay Variation: %d (micro-sec)", jitter);
16f1b9ee 1950
d62a17ae 1951 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1952}
1953
d62a17ae 1954static u_int16_t show_vty_link_subtlv_pkt_loss(struct vty *vty,
ead99d5f 1955 struct tlv_header *tlvh)
16f1b9ee 1956{
d62a17ae 1957 struct te_link_subtlv_pkt_loss *top;
1958 u_int32_t loss;
1959 u_int32_t anomalous;
1960 float fval;
16f1b9ee 1961
d62a17ae 1962 top = (struct te_link_subtlv_pkt_loss *)tlvh;
1963 loss = (u_int32_t)ntohl(top->value) & TE_EXT_MASK;
1964 fval = (float)(loss * LOSS_PRECISION);
1965 anomalous = (u_int32_t)ntohl(top->value) & TE_EXT_ANORMAL;
16f1b9ee 1966
d62a17ae 1967 if (vty != NULL)
1968 vty_out(vty, " %s Link Loss: %g (%%)\n",
1969 anomalous ? "Anomalous" : "Normal", fval);
1970 else
1971 zlog_debug(" %s Link Loss: %g (%%)",
1972 anomalous ? "Anomalous" : "Normal", fval);
16f1b9ee 1973
d62a17ae 1974 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1975}
1976
d62a17ae 1977static u_int16_t show_vty_link_subtlv_res_bw(struct vty *vty,
ead99d5f 1978 struct tlv_header *tlvh)
16f1b9ee 1979{
d62a17ae 1980 struct te_link_subtlv_res_bw *top;
1981 float fval;
16f1b9ee 1982
d62a17ae 1983 top = (struct te_link_subtlv_res_bw *)tlvh;
1984 fval = ntohf(top->value);
16f1b9ee 1985
d62a17ae 1986 if (vty != NULL)
1987 vty_out(vty,
1988 " Unidirectional Residual Bandwidth: %g (Bytes/sec)\n",
1989 fval);
1990 else
1991 zlog_debug(
1992 " Unidirectional Residual Bandwidth: %g (Bytes/sec)",
1993 fval);
1994
1995 return TLV_SIZE(tlvh);
1996}
1997
1998static u_int16_t show_vty_link_subtlv_ava_bw(struct vty *vty,
ead99d5f 1999 struct tlv_header *tlvh)
d62a17ae 2000{
2001 struct te_link_subtlv_ava_bw *top;
2002 float fval;
2003
2004 top = (struct te_link_subtlv_ava_bw *)tlvh;
2005 fval = ntohf(top->value);
2006
2007 if (vty != NULL)
2008 vty_out(vty,
2009 " Unidirectional Available Bandwidth: %g (Bytes/sec)\n",
2010 fval);
2011 else
2012 zlog_debug(
2013 " Unidirectional Available Bandwidth: %g (Bytes/sec)",
2014 fval);
2015
2016 return TLV_SIZE(tlvh);
2017}
2018
2019static u_int16_t show_vty_link_subtlv_use_bw(struct vty *vty,
ead99d5f 2020 struct tlv_header *tlvh)
d62a17ae 2021{
2022 struct te_link_subtlv_use_bw *top;
2023 float fval;
2024
2025 top = (struct te_link_subtlv_use_bw *)tlvh;
2026 fval = ntohf(top->value);
2027
2028 if (vty != NULL)
2029 vty_out(vty,
2030 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)\n",
2031 fval);
2032 else
2033 zlog_debug(
2034 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)",
2035 fval);
2036
2037 return TLV_SIZE(tlvh);
2038}
2039
2040static u_int16_t show_vty_unknown_tlv(struct vty *vty,
ead99d5f 2041 struct tlv_header *tlvh)
d62a17ae 2042{
2043 if (vty != NULL)
2044 vty_out(vty, " Unknown TLV: [type(0x%x), length(0x%x)]\n",
2045 ntohs(tlvh->type), ntohs(tlvh->length));
2046 else
2047 zlog_debug(" Unknown TLV: [type(0x%x), length(0x%x)]",
2048 ntohs(tlvh->type), ntohs(tlvh->length));
2049
2050 return TLV_SIZE(tlvh);
2051}
2052
2053static u_int16_t ospf_mpls_te_show_link_subtlv(struct vty *vty,
ead99d5f 2054 struct tlv_header *tlvh0,
d62a17ae 2055 u_int16_t subtotal,
2056 u_int16_t total)
2057{
ead99d5f 2058 struct tlv_header *tlvh, *next;
d62a17ae 2059 u_int16_t sum = subtotal;
2060
2061 for (tlvh = tlvh0; sum < total;
2062 tlvh = (next ? next : TLV_HDR_NEXT(tlvh))) {
2063 next = NULL;
2064 switch (ntohs(tlvh->type)) {
2065 case TE_LINK_SUBTLV_LINK_TYPE:
2066 sum += show_vty_link_subtlv_link_type(vty, tlvh);
2067 break;
2068 case TE_LINK_SUBTLV_LINK_ID:
2069 sum += show_vty_link_subtlv_link_id(vty, tlvh);
2070 break;
2071 case TE_LINK_SUBTLV_LCLIF_IPADDR:
2072 sum += show_vty_link_subtlv_lclif_ipaddr(vty, tlvh);
2073 break;
2074 case TE_LINK_SUBTLV_RMTIF_IPADDR:
2075 sum += show_vty_link_subtlv_rmtif_ipaddr(vty, tlvh);
2076 break;
2077 case TE_LINK_SUBTLV_TE_METRIC:
2078 sum += show_vty_link_subtlv_te_metric(vty, tlvh);
2079 break;
2080 case TE_LINK_SUBTLV_MAX_BW:
2081 sum += show_vty_link_subtlv_max_bw(vty, tlvh);
2082 break;
2083 case TE_LINK_SUBTLV_MAX_RSV_BW:
2084 sum += show_vty_link_subtlv_max_rsv_bw(vty, tlvh);
2085 break;
2086 case TE_LINK_SUBTLV_UNRSV_BW:
2087 sum += show_vty_link_subtlv_unrsv_bw(vty, tlvh);
2088 break;
2089 case TE_LINK_SUBTLV_RSC_CLSCLR:
2090 sum += show_vty_link_subtlv_rsc_clsclr(vty, tlvh);
2091 break;
2092 case TE_LINK_SUBTLV_LRRID:
2093 sum += show_vty_link_subtlv_lrrid(vty, tlvh);
2094 break;
2095 case TE_LINK_SUBTLV_LLRI:
2096 sum += show_vty_link_subtlv_llri(vty, tlvh);
2097 break;
2098 case TE_LINK_SUBTLV_RIP:
2099 sum += show_vty_link_subtlv_rip(vty, tlvh);
2100 break;
2101 case TE_LINK_SUBTLV_RAS:
2102 sum += show_vty_link_subtlv_ras(vty, tlvh);
2103 break;
2104 case TE_LINK_SUBTLV_AV_DELAY:
2105 sum += show_vty_link_subtlv_av_delay(vty, tlvh);
2106 break;
2107 case TE_LINK_SUBTLV_MM_DELAY:
2108 sum += show_vty_link_subtlv_mm_delay(vty, tlvh);
2109 break;
2110 case TE_LINK_SUBTLV_DELAY_VAR:
2111 sum += show_vty_link_subtlv_delay_var(vty, tlvh);
2112 break;
2113 case TE_LINK_SUBTLV_PKT_LOSS:
2114 sum += show_vty_link_subtlv_pkt_loss(vty, tlvh);
2115 break;
2116 case TE_LINK_SUBTLV_RES_BW:
2117 sum += show_vty_link_subtlv_res_bw(vty, tlvh);
2118 break;
2119 case TE_LINK_SUBTLV_AVA_BW:
2120 sum += show_vty_link_subtlv_ava_bw(vty, tlvh);
2121 break;
2122 case TE_LINK_SUBTLV_USE_BW:
2123 sum += show_vty_link_subtlv_use_bw(vty, tlvh);
2124 break;
2125 default:
2126 sum += show_vty_unknown_tlv(vty, tlvh);
2127 break;
2128 }
2129 }
2130 return sum;
2131}
2132
2133static void ospf_mpls_te_show_info(struct vty *vty, struct ospf_lsa *lsa)
2134{
2135 struct lsa_header *lsah = (struct lsa_header *)lsa->data;
ead99d5f 2136 struct tlv_header *tlvh, *next;
d62a17ae 2137 u_int16_t sum, total;
ead99d5f 2138 u_int16_t (*subfunc)(struct vty * vty, struct tlv_header * tlvh,
d62a17ae 2139 u_int16_t subtotal, u_int16_t total) = NULL;
2140
2141 sum = 0;
2142 total = ntohs(lsah->length) - OSPF_LSA_HEADER_SIZE;
2143
2144 for (tlvh = TLV_HDR_TOP(lsah); sum < total;
2145 tlvh = (next ? next : TLV_HDR_NEXT(tlvh))) {
2146 if (subfunc != NULL) {
2147 sum = (*subfunc)(vty, tlvh, sum, total);
ead99d5f 2148 next = (struct tlv_header *)((char *)tlvh + sum);
d62a17ae 2149 subfunc = NULL;
2150 continue;
2151 }
2152
2153 next = NULL;
2154 switch (ntohs(tlvh->type)) {
2155 case TE_TLV_ROUTER_ADDR:
2156 sum += show_vty_router_addr(vty, tlvh);
2157 break;
2158 case TE_TLV_LINK:
2159 sum += show_vty_link_header(vty, tlvh);
2160 subfunc = ospf_mpls_te_show_link_subtlv;
5d0df50f 2161 next = TLV_DATA(tlvh);
d62a17ae 2162 break;
2163 default:
2164 sum += show_vty_unknown_tlv(vty, tlvh);
2165 break;
2166 }
2167 }
2168 return;
2169}
2170
2171static void ospf_mpls_te_config_write_router(struct vty *vty)
2172{
2173
32ab5cf4 2174 if (OspfMplsTE.enabled) {
d62a17ae 2175 vty_out(vty, " mpls-te on\n");
2176 vty_out(vty, " mpls-te router-address %s\n",
2177 inet_ntoa(OspfMplsTE.router_addr.value));
2178 }
2179
2180 if (OspfMplsTE.inter_as == AS)
2181 vty_out(vty, " mpls-te inter-as as\n");
2182 if (OspfMplsTE.inter_as == Area)
2183 vty_out(vty, " mpls-te inter-as area %s \n",
2184 inet_ntoa(OspfMplsTE.interas_areaid));
2185
2186 return;
718e3744 2187}
2188
2189/*------------------------------------------------------------------------*
2190 * Followings are vty command functions.
2191 *------------------------------------------------------------------------*/
2192
16f1b9ee
OD		 2193DEFUN (ospf_mpls_te_on,
2194 ospf_mpls_te_on_cmd,
2195 "mpls-te on",
2196 MPLS_TE_STR
718e3744 2197 "Enable the MPLS-TE functionality\n")
2198{
a3d826f0 2199 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
d62a17ae 2200 struct listnode *node;
2201 struct mpls_te_link *lp;
7c8ff89e 2202
32ab5cf4 2203 if (OspfMplsTE.enabled)
d62a17ae 2204 return CMD_SUCCESS;
718e3744 2205
d62a17ae 2206 if (IS_DEBUG_OSPF_EVENT)
2207 zlog_debug("MPLS-TE: OFF -> ON");
718e3744 2208
32ab5cf4 2209 OspfMplsTE.enabled = true;
718e3744 2210
d62a17ae 2211 /* Reoriginate RFC3630 & RFC6827 Links */
2212 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule,
2213 REORIGINATE_THIS_LSA);
718e3744 2214
d62a17ae 2215 /* Reoriginate LSA if INTER-AS is always on */
ead99d5f 2216 if (OspfMplsTE.inter_as != Off) {
d62a17ae 2217 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp)) {
2218 if (IS_INTER_AS(lp->type)) {
2219 ospf_mpls_te_lsa_schedule(lp,
2220 REORIGINATE_THIS_LSA);
2221 }
2222 }
2223 }
718e3744 2224
d62a17ae 2225 return CMD_SUCCESS;
718e3744 2226}
2227
16f1b9ee
OD		 2228DEFUN (no_ospf_mpls_te,
2229 no_ospf_mpls_te_cmd,
3a2d747c 2230 "no mpls-te [on]",
718e3744 2231 NO_STR
3a2d747c 2232 MPLS_TE_STR
718e3744 2233 "Disable the MPLS-TE functionality\n")
2234{
a3d826f0 2235 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
d62a17ae 2236 struct listnode *node, *nnode;
2237 struct mpls_te_link *lp;
718e3744 2238
32ab5cf4 2239 if (!OspfMplsTE.enabled)
d62a17ae 2240 return CMD_SUCCESS;
718e3744 2241
d62a17ae 2242 if (IS_DEBUG_OSPF_EVENT)
2243 zlog_debug("MPLS-TE: ON -> OFF");
718e3744 2244
32ab5cf4 2245 OspfMplsTE.enabled = false;
718e3744 2246
d62a17ae 2247 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
32ab5cf4
OD		 2248 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
2249 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
718e3744 2250
d62a17ae 2251 return CMD_SUCCESS;
718e3744 2252}
2253
813d4307 2254
16f1b9ee
OD		 2255DEFUN (ospf_mpls_te_router_addr,
2256 ospf_mpls_te_router_addr_cmd,
718e3744 2257 "mpls-te router-address A.B.C.D",
16f1b9ee 2258 MPLS_TE_STR
718e3744 2259 "Stable IP address of the advertising router\n"
2260 "MPLS-TE router address in IPv4 address format\n")
2261{
a3d826f0 2262 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
d62a17ae 2263 int idx_ipv4 = 2;
2264 struct te_tlv_router_addr *ra = &OspfMplsTE.router_addr;
2265 struct in_addr value;
2266
2267 if (!inet_aton(argv[idx_ipv4]->arg, &value)) {
2268 vty_out(vty, "Please specify Router-Addr by A.B.C.D\n");
2269 return CMD_WARNING;
2270 }
2271
2272 if (ntohs(ra->header.type) == 0
2273 || ntohl(ra->value.s_addr) != ntohl(value.s_addr)) {
2274 struct listnode *node, *nnode;
2275 struct mpls_te_link *lp;
2276 int need_to_reoriginate = 0;
2277
2278 set_mpls_te_router_addr(value);
2279
32ab5cf4 2280 if (!OspfMplsTE.enabled)
ead99d5f 2281 return CMD_SUCCESS;
d62a17ae 2282
2283 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
2284 if ((lp->area == NULL) || IS_FLOOD_AS(lp->type))
2285 continue;
2286
2287 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
2288 need_to_reoriginate = 1;
2289 break;
2290 }
2291 }
2292
2293 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
2294 if ((lp->area == NULL) || IS_FLOOD_AS(lp->type))
2295 continue;
2296
2297 if (need_to_reoriginate)
2298 SET_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH);
2299 else
2300 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
2301 }
2302
2303 if (need_to_reoriginate)
2304 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule,
2305 REORIGINATE_THIS_LSA);
2306 }
ead99d5f 2307
d62a17ae 2308 return CMD_SUCCESS;
2309}
2310
2311static int set_inter_as_mode(struct vty *vty, const char *mode_name,
2312 const char *area_id)
2313{
2314 enum inter_as_mode mode;
2315 struct listnode *node;
2316 struct mpls_te_link *lp;
2317 int format;
2318
32ab5cf4 2319 if (OspfMplsTE.enabled) {
d62a17ae 2320
2321 /* Read and Check inter_as mode */
2322 if (strcmp(mode_name, "as") == 0)
2323 mode = AS;
2324 else if (strcmp(mode_name, "area") == 0) {
2325 mode = Area;
2326 VTY_GET_OSPF_AREA_ID(OspfMplsTE.interas_areaid, format,
2327 area_id);
2328 } else {
2329 vty_out(vty,
2330 "Unknown mode. Please choose between as or area\n");
2331 return CMD_WARNING;
2332 }
2333
2334 if (IS_DEBUG_OSPF_EVENT)
2335 zlog_debug(
2336 "MPLS-TE: Inter-AS enable with %s flooding support",
2337 mode2text[mode]);
2338
2339 /* Register new callbacks regarding the flooding scope (AS or
2340 * Area) */
2341 if (ospf_mpls_te_register(mode) < 0) {
2342 vty_out(vty,
2343 "Internal error: Unable to register Inter-AS functions\n");
2344 return CMD_WARNING;
2345 }
2346
2347 /* Enable mode and re-originate LSA if needed */
ead99d5f 2348 if ((OspfMplsTE.inter_as == Off)
d62a17ae 2349 && (mode != OspfMplsTE.inter_as)) {
2350 OspfMplsTE.inter_as = mode;
2351 /* Re-originate all InterAS-TEv2 LSA */
2352 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node,
2353 lp)) {
2354 if (IS_INTER_AS(lp->type)) {
2355 if (mode == AS)
2356 lp->type |= FLOOD_AS;
2357 else
2358 lp->type |= FLOOD_AREA;
2359 ospf_mpls_te_lsa_schedule(
2360 lp, REORIGINATE_THIS_LSA);
2361 }
2362 }
2363 } else {
2364 vty_out(vty,
2365 "Please change Inter-AS support to disable first before going to mode %s\n",
2366 mode2text[mode]);
2367 return CMD_WARNING;
2368 }
2369 } else {
2370 vty_out(vty, "mpls-te has not been turned on\n");
2371 return CMD_WARNING;
2372 }
2373 return CMD_SUCCESS;
718e3744 2374}
2375
718e3744 2376
16f1b9ee
OD		 2377DEFUN (ospf_mpls_te_inter_as_as,
2378 ospf_mpls_te_inter_as_cmd,
2379 "mpls-te inter-as as",
2380 MPLS_TE_STR
2381 "Configure MPLS-TE Inter-AS support\n"
2382 "AS native mode self originate INTER_AS LSA with Type 11 (as flooding scope)\n")
2383{
d62a17ae 2384 return set_inter_as_mode(vty, "as", "");
718e3744 2385}
2386
16f1b9ee
OD		 2387DEFUN (ospf_mpls_te_inter_as_area,
2388 ospf_mpls_te_inter_as_area_cmd,
6147e2c6 2389 "mpls-te inter-as area <A.B.C.D|(0-4294967295)>",
16f1b9ee
OD		 2390 MPLS_TE_STR
2391 "Configure MPLS-TE Inter-AS support\n"
2392 "AREA native mode self originate INTER_AS LSA with Type 10 (area flooding scope)\n"
2393 "OSPF area ID in IP format\n"
2394 "OSPF area ID as decimal value\n")
718e3744 2395{
d62a17ae 2396 int idx_ipv4_number = 3;
2397 return set_inter_as_mode(vty, "area", argv[idx_ipv4_number]->arg);
718e3744 2398}
2399
16f1b9ee
OD		 2400DEFUN (no_ospf_mpls_te_inter_as,
2401 no_ospf_mpls_te_inter_as_cmd,
2402 "no mpls-te inter-as",
2403 NO_STR
2404 MPLS_TE_STR
2405 "Disable MPLS-TE Inter-AS support\n")
718e3744 2406{
16f1b9ee 2407
d62a17ae 2408 struct listnode *node, *nnode;
2409 struct mpls_te_link *lp;
718e3744 2410
d62a17ae 2411 if (IS_DEBUG_OSPF_EVENT)
2412 zlog_debug("MPLS-TE: Inter-AS support OFF");
718e3744 2413
32ab5cf4 2414 if ((OspfMplsTE.enabled)
ead99d5f
OD		 2415 && (OspfMplsTE.inter_as != Off)) {
2416 OspfMplsTE.inter_as = Off;
d62a17ae 2417 /* Flush all Inter-AS LSA */
2418 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
2419 if (IS_INTER_AS(lp->type)
2420 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
2421 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
2422 }
718e3744 2423
bcf4475e
OD		 2424 /* Deregister the Callbacks for Inter-AS suport */
2425 ospf_mpls_te_unregister();
2426
d62a17ae 2427 return CMD_SUCCESS;
718e3744 2428}
2429
16f1b9ee
OD		 2430DEFUN (show_ip_ospf_mpls_te_router,
2431 show_ip_ospf_mpls_te_router_cmd,
2432 "show ip ospf mpls-te router",
718e3744 2433 SHOW_STR
16f1b9ee
OD		 2434 IP_STR
2435 OSPF_STR
718e3744 2436 "MPLS-TE information\n"
16f1b9ee 2437 "MPLS-TE Router parameters\n")
718e3744 2438{
32ab5cf4 2439 if (OspfMplsTE.enabled) {
d62a17ae 2440 vty_out(vty, "--- MPLS-TE router parameters ---\n");
2441
2442 if (ntohs(OspfMplsTE.router_addr.header.type) != 0)
2443 show_vty_router_addr(vty,
2444 &OspfMplsTE.router_addr.header);
0af35d90 2445 else
d62a17ae 2446 vty_out(vty, " N/A\n");
2447 }
2448 return CMD_SUCCESS;
2449}
2450
2451static void show_mpls_te_link_sub(struct vty *vty, struct interface *ifp)
2452{
2453 struct mpls_te_link *lp;
2454
32ab5cf4 2455 if ((OspfMplsTE.enabled) && HAS_LINK_PARAMS(ifp)
d62a17ae 2456 && !if_is_loopback(ifp) && if_is_up(ifp)
2457 && ((lp = lookup_linkparams_by_ifp(ifp)) != NULL)) {
2458 /* Continue only if interface is not passive or support Inter-AS
2459 * TEv2 */
2460 if (!(ospf_oi_count(ifp) > 0)) {
2461 if (IS_INTER_AS(lp->type)) {
2462 vty_out(vty,
2463 "-- Inter-AS TEv2 link parameters for %s --\n",
2464 ifp->name);
2465 } else {
2466 /* MPLS-TE is not activate on this interface */
2467 /* or this interface is passive and Inter-AS
2468 * TEv2 is not activate */
2469 vty_out(vty,
2470 " %s: MPLS-TE is disabled on this interface\n",
2471 ifp->name);
2472 return;
2473 }
2474 } else {
2475 vty_out(vty, "-- MPLS-TE link parameters for %s --\n",
2476 ifp->name);
2477 }
2478
2479 if (TLV_TYPE(lp->link_type) != 0)
2480 show_vty_link_subtlv_link_type(vty,
2481 &lp->link_type.header);
2482 if (TLV_TYPE(lp->link_id) != 0)
2483 show_vty_link_subtlv_link_id(vty, &lp->link_id.header);
2484 if (TLV_TYPE(lp->lclif_ipaddr) != 0)
2485 show_vty_link_subtlv_lclif_ipaddr(
2486 vty, &lp->lclif_ipaddr.header);
2487 if (TLV_TYPE(lp->rmtif_ipaddr) != 0)
2488 show_vty_link_subtlv_rmtif_ipaddr(
2489 vty, &lp->rmtif_ipaddr.header);
2490 if (TLV_TYPE(lp->rip) != 0)
2491 show_vty_link_subtlv_rip(vty, &lp->rip.header);
2492 if (TLV_TYPE(lp->ras) != 0)
2493 show_vty_link_subtlv_ras(vty, &lp->ras.header);
2494 if (TLV_TYPE(lp->te_metric) != 0)
2495 show_vty_link_subtlv_te_metric(vty,
2496 &lp->te_metric.header);
2497 if (TLV_TYPE(lp->max_bw) != 0)
2498 show_vty_link_subtlv_max_bw(vty, &lp->max_bw.header);
2499 if (TLV_TYPE(lp->max_rsv_bw) != 0)
2500 show_vty_link_subtlv_max_rsv_bw(vty,
2501 &lp->max_rsv_bw.header);
2502 if (TLV_TYPE(lp->unrsv_bw) != 0)
2503 show_vty_link_subtlv_unrsv_bw(vty,
2504 &lp->unrsv_bw.header);
2505 if (TLV_TYPE(lp->rsc_clsclr) != 0)
2506 show_vty_link_subtlv_rsc_clsclr(vty,
2507 &lp->rsc_clsclr.header);
2508 if (TLV_TYPE(lp->av_delay) != 0)
2509 show_vty_link_subtlv_av_delay(vty,
2510 &lp->av_delay.header);
2511 if (TLV_TYPE(lp->mm_delay) != 0)
2512 show_vty_link_subtlv_mm_delay(vty,
2513 &lp->mm_delay.header);
2514 if (TLV_TYPE(lp->delay_var) != 0)
2515 show_vty_link_subtlv_delay_var(vty,
2516 &lp->delay_var.header);
2517 if (TLV_TYPE(lp->pkt_loss) != 0)
2518 show_vty_link_subtlv_pkt_loss(vty,
2519 &lp->pkt_loss.header);
2520 if (TLV_TYPE(lp->res_bw) != 0)
2521 show_vty_link_subtlv_res_bw(vty, &lp->res_bw.header);
2522 if (TLV_TYPE(lp->ava_bw) != 0)
2523 show_vty_link_subtlv_ava_bw(vty, &lp->ava_bw.header);
2524 if (TLV_TYPE(lp->use_bw) != 0)
2525 show_vty_link_subtlv_use_bw(vty, &lp->use_bw.header);
2526 vty_out(vty, "---------------\n\n");
2527 } else {
2528 vty_out(vty, " %s: MPLS-TE is disabled on this interface\n",
2529 ifp->name);
2530 }
2531
2532 return;
718e3744 2533}
2534
16f1b9ee
OD		 2535DEFUN (show_ip_ospf_mpls_te_link,
2536 show_ip_ospf_mpls_te_link_cmd,
b5a8894d 2537 "show ip ospf [vrf <NAME|all>] mpls-te interface [INTERFACE]",
718e3744 2538 SHOW_STR
16f1b9ee
OD		 2539 IP_STR
2540 OSPF_STR
b5a8894d
CS		 2541 VRF_CMD_HELP_STR
2542 "All VRFs\n"
718e3744 2543 "MPLS-TE information\n"
2544 "Interface information\n"
2545 "Interface name\n")
2546{
f4e14fdb 2547 struct vrf *vrf;
d62a17ae 2548 int idx_interface = 5;
2549 struct interface *ifp;
f4e14fdb 2550 struct listnode *node;
b5a8894d
CS		 2551 char *vrf_name = NULL;
2552 bool all_vrf;
2553 int inst = 0;
2554 int idx_vrf = 0;
2555 struct ospf *ospf = NULL;
2556
2557 if (argv_find(argv, argc, "vrf", &idx_vrf)) {
2558 vrf_name = argv[idx_vrf + 1]->arg;
2559 all_vrf = strmatch(vrf_name, "all");
2560 }
2561
2562 /* vrf input is provided could be all or specific vrf*/
2563 if (vrf_name) {
2564 if (all_vrf) {
f4e14fdb 2565 for (ALL_LIST_ELEMENTS_RO(om->ospf, node, ospf)) {
b5a8894d
CS		 2566 if (!ospf->oi_running)
2567 continue;
f4e14fdb 2568 vrf = vrf_lookup_by_id(ospf->vrf_id);
451fda4f 2569 FOR_ALL_INTERFACES (vrf, ifp)
b5a8894d
CS		 2570 show_mpls_te_link_sub(vty, ifp);
2571 }
2572 return CMD_SUCCESS;
2573 }
2574 ospf = ospf_lookup_by_inst_name (inst, vrf_name);
2575 if (ospf == NULL || !ospf->oi_running)
2576 return CMD_SUCCESS;
f4e14fdb 2577 vrf = vrf_lookup_by_id(ospf->vrf_id);
451fda4f 2578 FOR_ALL_INTERFACES (vrf, ifp)
b5a8894d
CS		 2579 show_mpls_te_link_sub(vty, ifp);
2580 return CMD_SUCCESS;
2581 }
d62a17ae 2582 /* Show All Interfaces. */
2583 if (argc == 5) {
f4e14fdb 2584 for (ALL_LIST_ELEMENTS_RO(om->ospf, node, ospf)) {
43b8d1d8
CS		 2585 if (!ospf->oi_running)
2586 continue;
f4e14fdb 2587 vrf = vrf_lookup_by_id(ospf->vrf_id);
451fda4f 2588 FOR_ALL_INTERFACES (vrf, ifp)
43b8d1d8
CS		 2589 show_mpls_te_link_sub(vty, ifp);
2590 }
d62a17ae 2591 }
2592 /* Interface name is specified. */
2593 else {
b5a8894d
CS		 2594 ifp = if_lookup_by_name_all_vrf(argv[idx_interface]->arg);
2595 if (ifp == NULL)
d62a17ae 2596 vty_out(vty, "No such interface name\n");
2597 else
2598 show_mpls_te_link_sub(vty, ifp);
2599 }
2600
2601 return CMD_SUCCESS;
2602}
2603
2604static void ospf_mpls_te_register_vty(void)
2605{
2606 install_element(VIEW_NODE, &show_ip_ospf_mpls_te_router_cmd);
2607 install_element(VIEW_NODE, &show_ip_ospf_mpls_te_link_cmd);
2608
2609 install_element(OSPF_NODE, &ospf_mpls_te_on_cmd);
2610 install_element(OSPF_NODE, &no_ospf_mpls_te_cmd);
2611 install_element(OSPF_NODE, &ospf_mpls_te_router_addr_cmd);
2612 install_element(OSPF_NODE, &ospf_mpls_te_inter_as_cmd);
2613 install_element(OSPF_NODE, &ospf_mpls_te_inter_as_area_cmd);
2614 install_element(OSPF_NODE, &no_ospf_mpls_te_inter_as_cmd);
2615
2616 return;
718e3744 2617}
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