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Merge pull request #2549 from pacovn/Coverity_1452317_Explicit_null_dereferenced
[mirror_frr.git] / ospfd / ospf_te.c
CommitLineData
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;
d7c0a89a 125 uint8_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{
d7c0a89a 152 uint8_t scope;
bcf4475e
OD		 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
d7c0a89a 200static uint32_t get_mpls_te_instance_value(void)
718e3744 201{
d7c0a89a 202 static uint32_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
996c9314
LB		 239static void ospf_mpls_te_foreach_area(
240 void (*func)(struct mpls_te_link *lp, 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{
d7c0a89a 287 uint16_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,
d7c0a89a 468 uint32_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,
d7c0a89a 503 uint32_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,
d7c0a89a 512 struct in_addr addr, uint32_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
d7c0a89a
QY		 538void set_linkparams_llri(struct mpls_te_link *lp, uint32_t local,
539 uint32_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
d7c0a89a
QY		 558static void set_linkparams_av_delay(struct mpls_te_link *lp, uint32_t delay,
559 uint8_t anormal)
16f1b9ee 560{
d7c0a89a 561 uint32_t tmp;
d62a17ae 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
d7c0a89a
QY		 572static void set_linkparams_mm_delay(struct mpls_te_link *lp, uint32_t low,
573 uint32_t high, uint8_t anormal)
16f1b9ee 574{
d7c0a89a 575 uint32_t tmp;
d62a17ae 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
d7c0a89a 587static void set_linkparams_delay_var(struct mpls_te_link *lp, uint32_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
d7c0a89a
QY		 596static void set_linkparams_pkt_loss(struct mpls_te_link *lp, uint32_t loss,
597 uint8_t anormal)
16f1b9ee 598{
d7c0a89a 599 uint32_t tmp;
d62a17ae 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 774 /* Search OSPF Interface parameters for this interface */
996c9314 775 for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) {
ead99d5f
OD		 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 950 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
996c9314
LB		 951 ospf_mpls_te_lsa_schedule(
952 lp, REFRESH_THIS_LSA);
32ab5cf4 953 else
996c9314
LB		 954 ospf_mpls_te_lsa_schedule(
955 lp, REORIGINATE_THIS_LSA);
d62a17ae 956 }
957 } else {
958 /* If MPLS TE is disable on this interface, flush LSA if it is
959 * already engaged */
32ab5cf4
OD		 960 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
961 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
d62a17ae 962 else
963 /* Reset Activity flag */
964 lp->flags = LPFLG_LSA_INACTIVE;
965 }
966
967 return;
968}
969
970static void ospf_mpls_te_ism_change(struct ospf_interface *oi, int old_state)
971{
972 struct te_link_subtlv_link_type old_type;
973 struct te_link_subtlv_link_id old_id;
974 struct mpls_te_link *lp;
975
976 if ((lp = lookup_linkparams_by_ifp(oi->ifp)) == NULL) {
977 zlog_warn(
978 "ospf_mpls_te_ism_change: Cannot get linkparams from OI(%s)?",
979 IF_NAME(oi));
ead99d5f 980 return;
d62a17ae 981 }
982
983 if (oi->area == NULL || oi->area->ospf == NULL) {
984 zlog_warn(
985 "ospf_mpls_te_ism_change: Cannot refer to OSPF from OI(%s)?",
986 IF_NAME(oi));
ead99d5f 987 return;
d62a17ae 988 }
718e3744 989#ifdef notyet
d62a17ae 990 if ((lp->area != NULL
991 && !IPV4_ADDR_SAME(&lp->area->area_id, &oi->area->area_id))
992 || (lp->area != NULL && oi->area == NULL)) {
993 /* How should we consider this case? */
994 zlog_warn(
995 "MPLS-TE: Area for OI(%s) has changed to [%s], flush previous LSAs",
996 IF_NAME(oi),
997 oi->area ? inet_ntoa(oi->area->area_id) : "N/A");
998 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
999 }
718e3744 1000#endif
d62a17ae 1001 /* Keep Area information in combination with linkparams. */
1002 lp->area = oi->area;
1003
1004 /* Keep interface MPLS-TE status */
1005 lp->flags = HAS_LINK_PARAMS(oi->ifp);
1006
1007 switch (oi->state) {
1008 case ISM_PointToPoint:
1009 case ISM_DROther:
1010 case ISM_Backup:
1011 case ISM_DR:
1012 old_type = lp->link_type;
1013 old_id = lp->link_id;
1014
1015 /* Set Link type, Link ID, Local and Remote IP addr */
1016 set_linkparams_link_type(oi, lp);
1017 set_linkparams_link_id(oi, lp);
1018 set_linkparams_lclif_ipaddr(lp, oi->address->u.prefix4);
1019
1020 if (oi->type == LINK_TYPE_SUBTLV_VALUE_PTP) {
1021 struct prefix *pref = CONNECTED_PREFIX(oi->connected);
1022 if (pref != NULL)
1023 set_linkparams_rmtif_ipaddr(lp,
1024 pref->u.prefix4);
1025 }
1026
1027 /* Update TE parameters */
1028 update_linkparams(lp);
1029
1030 /* Try to Schedule LSA */
1031 if ((ntohs(old_type.header.type)
1032 != ntohs(lp->link_type.header.type)
1033 || old_type.link_type.value
1034 != lp->link_type.link_type.value)
1035 || (ntohs(old_id.header.type)
1036 != ntohs(lp->link_id.header.type)
1037 || ntohl(old_id.value.s_addr)
1038 != ntohl(lp->link_id.value.s_addr))) {
32ab5cf4
OD		 1039 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
1040 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
1041 else
996c9314
LB		 1042 ospf_mpls_te_lsa_schedule(lp,
1043 REORIGINATE_THIS_LSA);
d62a17ae 1044 }
1045 break;
1046 default:
1047 lp->link_type.header.type = htons(0);
1048 lp->link_id.header.type = htons(0);
1049
32ab5cf4
OD		 1050 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
1051 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
d62a17ae 1052 break;
1053 }
718e3744 1054
d62a17ae 1055 return;
718e3744 1056}
1057
d62a17ae 1058static void ospf_mpls_te_nsm_change(struct ospf_neighbor *nbr, int old_state)
718e3744 1059{
d62a17ae 1060 /* Nothing to do here */
1061 return;
718e3744 1062}
1063
1064/*------------------------------------------------------------------------*
1065 * Followings are OSPF protocol processing functions for MPLS-TE.
1066 *------------------------------------------------------------------------*/
1067
ead99d5f 1068static void build_tlv_header(struct stream *s, struct tlv_header *tlvh)
d62a17ae 1069{
ead99d5f 1070 stream_put(s, tlvh, sizeof(struct tlv_header));
d62a17ae 1071 return;
1072}
1073
1074static void build_router_tlv(struct stream *s)
1075{
ead99d5f 1076 struct tlv_header *tlvh = &OspfMplsTE.router_addr.header;
d62a17ae 1077 if (ntohs(tlvh->type) != 0) {
1078 build_tlv_header(s, tlvh);
5d0df50f 1079 stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh));
d62a17ae 1080 }
1081 return;
1082}
1083
ead99d5f 1084static void build_link_subtlv(struct stream *s, struct tlv_header *tlvh)
d62a17ae 1085{
1086
1087 if ((tlvh != NULL) && (ntohs(tlvh->type) != 0)) {
1088 build_tlv_header(s, tlvh);
5d0df50f 1089 stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh));
d62a17ae 1090 }
1091 return;
1092}
1093
1094static void build_link_tlv(struct stream *s, struct mpls_te_link *lp)
1095{
1096 set_linkparams_link_header(lp);
1097 build_tlv_header(s, &lp->link_header.header);
1098
1099 build_link_subtlv(s, &lp->link_type.header);
1100 build_link_subtlv(s, &lp->link_id.header);
1101 build_link_subtlv(s, &lp->lclif_ipaddr.header);
1102 build_link_subtlv(s, &lp->rmtif_ipaddr.header);
1103 build_link_subtlv(s, &lp->te_metric.header);
1104 build_link_subtlv(s, &lp->max_bw.header);
1105 build_link_subtlv(s, &lp->max_rsv_bw.header);
1106 build_link_subtlv(s, &lp->unrsv_bw.header);
1107 build_link_subtlv(s, &lp->rsc_clsclr.header);
1108 build_link_subtlv(s, &lp->lrrid.header);
1109 build_link_subtlv(s, &lp->llri.header);
1110 build_link_subtlv(s, &lp->rip.header);
1111 build_link_subtlv(s, &lp->ras.header);
1112 build_link_subtlv(s, &lp->av_delay.header);
1113 build_link_subtlv(s, &lp->mm_delay.header);
1114 build_link_subtlv(s, &lp->delay_var.header);
1115 build_link_subtlv(s, &lp->pkt_loss.header);
1116 build_link_subtlv(s, &lp->res_bw.header);
1117 build_link_subtlv(s, &lp->ava_bw.header);
1118 build_link_subtlv(s, &lp->use_bw.header);
1119
1120 return;
1121}
1122
1123static void ospf_mpls_te_lsa_body_set(struct stream *s, struct mpls_te_link *lp)
1124{
1125 /*
1126 * The router address TLV is type 1, and ...
1127 * It must appear in exactly one
1128 * Traffic Engineering LSA originated by a router.
1129 */
1130 build_router_tlv(s);
1131
1132 /*
1133 * Only one Link TLV shall be carried in each LSA, allowing for fine
1134 * granularity changes in topology.
1135 */
1136 build_link_tlv(s, lp);
1137 return;
718e3744 1138}
1139
1140/* Create new opaque-LSA. */
b5a8894d
CS		 1141static struct ospf_lsa *ospf_mpls_te_lsa_new(struct ospf *ospf,
1142 struct ospf_area *area,
d62a17ae 1143 struct mpls_te_link *lp)
1144{
1145 struct stream *s;
1146 struct lsa_header *lsah;
1147 struct ospf_lsa *new = NULL;
d7c0a89a 1148 uint8_t options, lsa_type = 0;
d62a17ae 1149 struct in_addr lsa_id;
d7c0a89a
QY		 1150 uint32_t tmp;
1151 uint16_t length;
d62a17ae 1152
1153 /* Create a stream for LSA. */
1154 if ((s = stream_new(OSPF_MAX_LSA_SIZE)) == NULL) {
1155 zlog_warn("ospf_mpls_te_lsa_new: stream_new() ?");
ead99d5f 1156 return NULL;
d62a17ae 1157 }
1158 lsah = (struct lsa_header *)STREAM_DATA(s);
1159
1160 options = OSPF_OPTION_O; /* Don't forget this :-) */
1161
1162 /* Set opaque-LSA header fields depending of the type of RFC */
1163 if (IS_INTER_AS(lp->type)) {
72c03801
QY		 1164 if (IS_FLOOD_AS(lp->type)) {
1165 /* Enable AS external as we flood Inter-AS with Opaque
1166 * Type 11
1167 */
1168 options |= OSPF_OPTION_E;
1169 lsa_type = OSPF_OPAQUE_AS_LSA;
1170 } else {
d62a17ae 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) {
7ff7fcd2 1210 zlog_warn("%s: ospf_lsa_new() ?", __func__);
d62a17ae 1211 stream_free(s);
ead99d5f 1212 return NULL;
d62a17ae 1213 }
1214 if ((new->data = ospf_lsa_data_new(length)) == NULL) {
7ff7fcd2 1215 zlog_warn("%s: ospf_lsa_data_new() ?", __func__);
d62a17ae 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
996c9314 1382 if ((!OspfMplsTE.enabled) || (OspfMplsTE.inter_as == Off)) {
d62a17ae 1383 zlog_info(
1384 "ospf_mpls_te_lsa_originate_as: MPLS-TE Inter-AS is disabled for now.");
1385 rc = 0; /* This is not an error case. */
ead99d5f 1386 return rc;
d62a17ae 1387 }
1388
1389 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
1390 /* Process only enabled INTER_AS Links or Pseudo-Links */
1391 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)
1392 || !IS_INTER_AS(lp->type))
1393 continue;
1394
32ab5cf4
OD		 1395 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
1396 if (CHECK_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH)) {
996c9314 1397 UNSET_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH);
32ab5cf4 1398 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
d62a17ae 1399 }
32ab5cf4
OD		 1400 continue;
1401 }
1402
d62a17ae 1403 if (!is_mandated_params_set(lp)) {
1404 zlog_warn(
1405 "ospf_mpls_te_lsa_originate_as: Link(%s) lacks some mandated MPLS-TE parameters.",
1406 lp->ifp ? lp->ifp->name : "?");
1407 continue;
1408 }
1409
1410 /* Ok, let's try to originate an LSA for this AS and Link. */
1411 if (IS_DEBUG_OSPF_TE)
1412 zlog_debug(
1413 "MPLS-TE(ospf_mpls_te_lsa_originate_as) Let's finally re-originate the Inter-AS LSA %d through the %s for Link %s",
1414 lp->instance,
1415 IS_FLOOD_AS(lp->type) ? "AS" : "Area",
1416 lp->ifp ? lp->ifp->name : "Unknown");
1417
1418 if (IS_FLOOD_AS(lp->type)) {
1419 top = (struct ospf *)arg;
1420 ospf_mpls_te_lsa_originate2(top, lp);
1421 } else {
1422 area = (struct ospf_area *)arg;
1423 ospf_mpls_te_lsa_originate1(area, lp);
1424 }
1425 }
1426
1427 rc = 0;
d62a17ae 1428 return rc;
1429}
1430
1431static struct ospf_lsa *ospf_mpls_te_lsa_refresh(struct ospf_lsa *lsa)
1432{
1433 struct mpls_te_link *lp;
1434 struct ospf_area *area = lsa->area;
1435 struct ospf *top;
1436 struct ospf_lsa *new = NULL;
1437
32ab5cf4 1438 if (!OspfMplsTE.enabled) {
d62a17ae 1439 /*
1440 * This LSA must have flushed before due to MPLS-TE status
1441 * change.
1442 * It seems a slip among routers in the routing domain.
1443 */
1444 zlog_info("ospf_mpls_te_lsa_refresh: MPLS-TE is disabled now.");
1445 lsa->data->ls_age =
1446 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1447 }
1448
1449 /* At first, resolve lsa/lp relationship. */
1450 if ((lp = lookup_linkparams_by_instance(lsa)) == NULL) {
1451 zlog_warn("ospf_mpls_te_lsa_refresh: Invalid parameter?");
1452 lsa->data->ls_age =
1453 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
20a7c80c
DS		 1454 ospf_opaque_lsa_flush_schedule(lsa);
1455 return NULL;
d62a17ae 1456 }
1457
1458 /* Check if lp was not disable in the interval */
1459 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)) {
1460 zlog_warn(
1461 "ospf_mpls_te_lsa_refresh: lp was disabled: Flush it!");
1462 lsa->data->ls_age =
1463 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1464 }
1465
1466 /* If the lsa's age reached to MaxAge, start flushing procedure. */
1467 if (IS_LSA_MAXAGE(lsa)) {
20a7c80c 1468 UNSET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
d62a17ae 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;
d7c0a89a 1516 uint32_t tmp;
d62a17ae 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
d7c0a89a 1599static uint16_t show_vty_router_addr(struct vty *vty, struct tlv_header *tlvh)
718e3744 1600{
d62a17ae 1601 struct te_tlv_router_addr *top = (struct te_tlv_router_addr *)tlvh;
718e3744 1602
d62a17ae 1603 if (vty != NULL)
1604 vty_out(vty, " Router-Address: %s\n", inet_ntoa(top->value));
1605 else
1606 zlog_debug(" Router-Address: %s", inet_ntoa(top->value));
718e3744 1607
d62a17ae 1608 return TLV_SIZE(tlvh);
718e3744 1609}
1610
d7c0a89a 1611static uint16_t show_vty_link_header(struct vty *vty, struct tlv_header *tlvh)
718e3744 1612{
d62a17ae 1613 struct te_tlv_link *top = (struct te_tlv_link *)tlvh;
718e3744 1614
d62a17ae 1615 if (vty != NULL)
1616 vty_out(vty, " Link: %u octets of data\n",
1617 ntohs(top->header.length));
1618 else
1619 zlog_debug(" Link: %u octets of data",
1620 ntohs(top->header.length));
718e3744 1621
d62a17ae 1622 return TLV_HDR_SIZE; /* Here is special, not "TLV_SIZE". */
718e3744 1623}
1624
d7c0a89a
QY		 1625static uint16_t show_vty_link_subtlv_link_type(struct vty *vty,
1626 struct tlv_header *tlvh)
718e3744 1627{
d62a17ae 1628 struct te_link_subtlv_link_type *top;
1629 const char *cp = "Unknown";
718e3744 1630
d62a17ae 1631 top = (struct te_link_subtlv_link_type *)tlvh;
1632 switch (top->link_type.value) {
1633 case LINK_TYPE_SUBTLV_VALUE_PTP:
1634 cp = "Point-to-point";
1635 break;
1636 case LINK_TYPE_SUBTLV_VALUE_MA:
1637 cp = "Multiaccess";
1638 break;
1639 default:
1640 break;
1641 }
718e3744 1642
d62a17ae 1643 if (vty != NULL)
1644 vty_out(vty, " Link-Type: %s (%u)\n", cp,
1645 top->link_type.value);
1646 else
1647 zlog_debug(" Link-Type: %s (%u)", cp, top->link_type.value);
718e3744 1648
d62a17ae 1649 return TLV_SIZE(tlvh);
718e3744 1650}
1651
d7c0a89a
QY		 1652static uint16_t show_vty_link_subtlv_link_id(struct vty *vty,
1653 struct tlv_header *tlvh)
718e3744 1654{
d62a17ae 1655 struct te_link_subtlv_link_id *top;
718e3744 1656
d62a17ae 1657 top = (struct te_link_subtlv_link_id *)tlvh;
1658 if (vty != NULL)
1659 vty_out(vty, " Link-ID: %s\n", inet_ntoa(top->value));
1660 else
1661 zlog_debug(" Link-ID: %s", inet_ntoa(top->value));
718e3744 1662
d62a17ae 1663 return TLV_SIZE(tlvh);
718e3744 1664}
1665
d7c0a89a
QY		 1666static uint16_t show_vty_link_subtlv_lclif_ipaddr(struct vty *vty,
1667 struct tlv_header *tlvh)
718e3744 1668{
d62a17ae 1669 struct te_link_subtlv_lclif_ipaddr *top;
1670 int i, n;
718e3744 1671
d62a17ae 1672 top = (struct te_link_subtlv_lclif_ipaddr *)tlvh;
1673 n = ntohs(tlvh->length) / sizeof(top->value[0]);
718e3744 1674
d62a17ae 1675 if (vty != NULL)
1676 vty_out(vty, " Local Interface IP Address(es): %d\n", n);
1677 else
1678 zlog_debug(" Local Interface IP Address(es): %d", n);
718e3744 1679
d62a17ae 1680 for (i = 0; i < n; i++) {
1681 if (vty != NULL)
1682 vty_out(vty, " #%d: %s\n", i,
1683 inet_ntoa(top->value[i]));
1684 else
1685 zlog_debug(" #%d: %s", i,
1686 inet_ntoa(top->value[i]));
1687 }
1688 return TLV_SIZE(tlvh);
718e3744 1689}
1690
d7c0a89a
QY		 1691static uint16_t show_vty_link_subtlv_rmtif_ipaddr(struct vty *vty,
1692 struct tlv_header *tlvh)
718e3744 1693{
d62a17ae 1694 struct te_link_subtlv_rmtif_ipaddr *top;
1695 int i, n;
718e3744 1696
d62a17ae 1697 top = (struct te_link_subtlv_rmtif_ipaddr *)tlvh;
1698 n = ntohs(tlvh->length) / sizeof(top->value[0]);
1699 if (vty != NULL)
1700 vty_out(vty, " Remote Interface IP Address(es): %d\n", n);
1701 else
1702 zlog_debug(" Remote Interface IP Address(es): %d", n);
718e3744 1703
d62a17ae 1704 for (i = 0; i < n; i++) {
1705 if (vty != NULL)
1706 vty_out(vty, " #%d: %s\n", i,
1707 inet_ntoa(top->value[i]));
1708 else
1709 zlog_debug(" #%d: %s", i,
1710 inet_ntoa(top->value[i]));
1711 }
1712 return TLV_SIZE(tlvh);
718e3744 1713}
1714
d7c0a89a
QY		 1715static uint16_t show_vty_link_subtlv_te_metric(struct vty *vty,
1716 struct tlv_header *tlvh)
718e3744 1717{
d62a17ae 1718 struct te_link_subtlv_te_metric *top;
718e3744 1719
d62a17ae 1720 top = (struct te_link_subtlv_te_metric *)tlvh;
1721 if (vty != NULL)
1722 vty_out(vty, " Traffic Engineering Metric: %u\n",
d7c0a89a 1723 (uint32_t)ntohl(top->value));
d62a17ae 1724 else
1725 zlog_debug(" Traffic Engineering Metric: %u",
d7c0a89a 1726 (uint32_t)ntohl(top->value));
718e3744 1727
d62a17ae 1728 return TLV_SIZE(tlvh);
718e3744 1729}
1730
d7c0a89a
QY		 1731static uint16_t show_vty_link_subtlv_max_bw(struct vty *vty,
1732 struct tlv_header *tlvh)
718e3744 1733{
d62a17ae 1734 struct te_link_subtlv_max_bw *top;
1735 float fval;
718e3744 1736
d62a17ae 1737 top = (struct te_link_subtlv_max_bw *)tlvh;
1738 fval = ntohf(top->value);
718e3744 1739
d62a17ae 1740 if (vty != NULL)
1741 vty_out(vty, " Maximum Bandwidth: %g (Bytes/sec)\n", fval);
1742 else
1743 zlog_debug(" Maximum Bandwidth: %g (Bytes/sec)", fval);
718e3744 1744
d62a17ae 1745 return TLV_SIZE(tlvh);
718e3744 1746}
1747
d7c0a89a
QY		 1748static uint16_t show_vty_link_subtlv_max_rsv_bw(struct vty *vty,
1749 struct tlv_header *tlvh)
718e3744 1750{
d62a17ae 1751 struct te_link_subtlv_max_rsv_bw *top;
1752 float fval;
718e3744 1753
d62a17ae 1754 top = (struct te_link_subtlv_max_rsv_bw *)tlvh;
1755 fval = ntohf(top->value);
718e3744 1756
d62a17ae 1757 if (vty != NULL)
1758 vty_out(vty, " Maximum Reservable Bandwidth: %g (Bytes/sec)\n",
1759 fval);
1760 else
1761 zlog_debug(" Maximum Reservable Bandwidth: %g (Bytes/sec)",
1762 fval);
718e3744 1763
d62a17ae 1764 return TLV_SIZE(tlvh);
718e3744 1765}
1766
d7c0a89a
QY		 1767static uint16_t show_vty_link_subtlv_unrsv_bw(struct vty *vty,
1768 struct tlv_header *tlvh)
718e3744 1769{
d62a17ae 1770 struct te_link_subtlv_unrsv_bw *top;
1771 float fval1, fval2;
1772 int i;
718e3744 1773
d62a17ae 1774 top = (struct te_link_subtlv_unrsv_bw *)tlvh;
1775 if (vty != NULL)
1776 vty_out(vty,
1777 " Unreserved Bandwidth per Class Type in Byte/s:\n");
1778 else
1779 zlog_debug(
1780 " Unreserved Bandwidth per Class Type in Byte/s:");
1781 for (i = 0; i < MAX_CLASS_TYPE; i += 2) {
1782 fval1 = ntohf(top->value[i]);
1783 fval2 = ntohf(top->value[i + 1]);
16f1b9ee 1784
d62a17ae 1785 if (vty != NULL)
1786 vty_out(vty,
1787 " [%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)\n",
1788 i, fval1, i + 1, fval2);
1789 else
1790 zlog_debug(
1791 " [%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)",
1792 i, fval1, i + 1, fval2);
1793 }
718e3744 1794
d62a17ae 1795 return TLV_SIZE(tlvh);
718e3744 1796}
1797
d7c0a89a
QY		 1798static uint16_t show_vty_link_subtlv_rsc_clsclr(struct vty *vty,
1799 struct tlv_header *tlvh)
718e3744 1800{
d62a17ae 1801 struct te_link_subtlv_rsc_clsclr *top;
718e3744 1802
d62a17ae 1803 top = (struct te_link_subtlv_rsc_clsclr *)tlvh;
1804 if (vty != NULL)
1805 vty_out(vty, " Resource class/color: 0x%x\n",
d7c0a89a 1806 (uint32_t)ntohl(top->value));
d62a17ae 1807 else
1808 zlog_debug(" Resource Class/Color: 0x%x",
d7c0a89a 1809 (uint32_t)ntohl(top->value));
16f1b9ee 1810
d62a17ae 1811 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1812}
1813
d7c0a89a
QY		 1814static uint16_t show_vty_link_subtlv_lrrid(struct vty *vty,
1815 struct tlv_header *tlvh)
16f1b9ee 1816{
d62a17ae 1817 struct te_link_subtlv_lrrid *top;
16f1b9ee 1818
d62a17ae 1819 top = (struct te_link_subtlv_lrrid *)tlvh;
16f1b9ee 1820
d62a17ae 1821 if (vty != NULL) {
1822 vty_out(vty, " Local TE Router ID: %s\n",
1823 inet_ntoa(top->local));
1824 vty_out(vty, " Remote TE Router ID: %s\n",
1825 inet_ntoa(top->remote));
1826 } else {
1827 zlog_debug(" Local TE Router ID: %s",
1828 inet_ntoa(top->local));
1829 zlog_debug(" Remote TE Router ID: %s",
1830 inet_ntoa(top->remote));
1831 }
16f1b9ee 1832
d62a17ae 1833 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1834}
1835
d7c0a89a
QY		 1836static uint16_t show_vty_link_subtlv_llri(struct vty *vty,
1837 struct tlv_header *tlvh)
16f1b9ee 1838{
d62a17ae 1839 struct te_link_subtlv_llri *top;
16f1b9ee 1840
d62a17ae 1841 top = (struct te_link_subtlv_llri *)tlvh;
16f1b9ee 1842
d62a17ae 1843 if (vty != NULL) {
1844 vty_out(vty, " Link Local ID: %d\n",
d7c0a89a 1845 (uint32_t)ntohl(top->local));
d62a17ae 1846 vty_out(vty, " Link Remote ID: %d\n",
d7c0a89a 1847 (uint32_t)ntohl(top->remote));
d62a17ae 1848 } else {
1849 zlog_debug(" Link Local ID: %d",
d7c0a89a 1850 (uint32_t)ntohl(top->local));
d62a17ae 1851 zlog_debug(" Link Remote ID: %d",
d7c0a89a 1852 (uint32_t)ntohl(top->remote));
d62a17ae 1853 }
16f1b9ee 1854
d62a17ae 1855 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1856}
1857
d7c0a89a
QY		 1858static uint16_t show_vty_link_subtlv_rip(struct vty *vty,
1859 struct tlv_header *tlvh)
16f1b9ee 1860{
d62a17ae 1861 struct te_link_subtlv_rip *top;
16f1b9ee 1862
d62a17ae 1863 top = (struct te_link_subtlv_rip *)tlvh;
16f1b9ee 1864
d62a17ae 1865 if (vty != NULL)
1866 vty_out(vty, " Inter-AS TE Remote ASBR IP address: %s\n",
1867 inet_ntoa(top->value));
1868 else
1869 zlog_debug(" Inter-AS TE Remote ASBR IP address: %s",
1870 inet_ntoa(top->value));
16f1b9ee 1871
d62a17ae 1872 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1873}
1874
d7c0a89a
QY		 1875static uint16_t show_vty_link_subtlv_ras(struct vty *vty,
1876 struct tlv_header *tlvh)
16f1b9ee 1877{
d62a17ae 1878 struct te_link_subtlv_ras *top;
16f1b9ee 1879
d62a17ae 1880 top = (struct te_link_subtlv_ras *)tlvh;
16f1b9ee 1881
d62a17ae 1882 if (vty != NULL)
1883 vty_out(vty, " Inter-AS TE Remote AS number: %u\n",
1884 ntohl(top->value));
1885 else
1886 zlog_debug(" Inter-AS TE Remote AS number: %u",
1887 ntohl(top->value));
16f1b9ee 1888
d62a17ae 1889 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1890}
1891
d7c0a89a
QY		 1892static uint16_t show_vty_link_subtlv_av_delay(struct vty *vty,
1893 struct tlv_header *tlvh)
16f1b9ee 1894{
d62a17ae 1895 struct te_link_subtlv_av_delay *top;
d7c0a89a
QY		 1896 uint32_t delay;
1897 uint32_t anomalous;
16f1b9ee 1898
d62a17ae 1899 top = (struct te_link_subtlv_av_delay *)tlvh;
d7c0a89a
QY		 1900 delay = (uint32_t)ntohl(top->value) & TE_EXT_MASK;
1901 anomalous = (uint32_t)ntohl(top->value) & TE_EXT_ANORMAL;
16f1b9ee 1902
d62a17ae 1903 if (vty != NULL)
1904 vty_out(vty, " %s Average Link Delay: %d (micro-sec)\n",
1905 anomalous ? "Anomalous" : "Normal", delay);
1906 else
1907 zlog_debug(" %s Average Link Delay: %d (micro-sec)",
1908 anomalous ? "Anomalous" : "Normal", delay);
16f1b9ee 1909
d62a17ae 1910 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1911}
1912
d7c0a89a
QY		 1913static uint16_t show_vty_link_subtlv_mm_delay(struct vty *vty,
1914 struct tlv_header *tlvh)
16f1b9ee 1915{
d62a17ae 1916 struct te_link_subtlv_mm_delay *top;
d7c0a89a
QY		 1917 uint32_t low, high;
1918 uint32_t anomalous;
16f1b9ee 1919
d62a17ae 1920 top = (struct te_link_subtlv_mm_delay *)tlvh;
d7c0a89a
QY		 1921 low = (uint32_t)ntohl(top->low) & TE_EXT_MASK;
1922 anomalous = (uint32_t)ntohl(top->low) & TE_EXT_ANORMAL;
1923 high = (uint32_t)ntohl(top->high);
16f1b9ee 1924
d62a17ae 1925 if (vty != NULL)
1926 vty_out(vty, " %s Min/Max Link Delay: %d/%d (micro-sec)\n",
1927 anomalous ? "Anomalous" : "Normal", low, high);
1928 else
1929 zlog_debug(" %s Min/Max Link Delay: %d/%d (micro-sec)",
1930 anomalous ? "Anomalous" : "Normal", low, high);
16f1b9ee 1931
d62a17ae 1932 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1933}
1934
d7c0a89a
QY		 1935static uint16_t show_vty_link_subtlv_delay_var(struct vty *vty,
1936 struct tlv_header *tlvh)
16f1b9ee 1937{
d62a17ae 1938 struct te_link_subtlv_delay_var *top;
d7c0a89a 1939 uint32_t jitter;
16f1b9ee 1940
d62a17ae 1941 top = (struct te_link_subtlv_delay_var *)tlvh;
d7c0a89a 1942 jitter = (uint32_t)ntohl(top->value) & TE_EXT_MASK;
16f1b9ee 1943
d62a17ae 1944 if (vty != NULL)
1945 vty_out(vty, " Delay Variation: %d (micro-sec)\n", jitter);
1946 else
1947 zlog_debug(" Delay Variation: %d (micro-sec)", jitter);
16f1b9ee 1948
d62a17ae 1949 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1950}
1951
d7c0a89a
QY		 1952static uint16_t show_vty_link_subtlv_pkt_loss(struct vty *vty,
1953 struct tlv_header *tlvh)
16f1b9ee 1954{
d62a17ae 1955 struct te_link_subtlv_pkt_loss *top;
d7c0a89a
QY		 1956 uint32_t loss;
1957 uint32_t anomalous;
d62a17ae 1958 float fval;
16f1b9ee 1959
d62a17ae 1960 top = (struct te_link_subtlv_pkt_loss *)tlvh;
d7c0a89a 1961 loss = (uint32_t)ntohl(top->value) & TE_EXT_MASK;
d62a17ae 1962 fval = (float)(loss * LOSS_PRECISION);
d7c0a89a 1963 anomalous = (uint32_t)ntohl(top->value) & TE_EXT_ANORMAL;
16f1b9ee 1964
d62a17ae 1965 if (vty != NULL)
1966 vty_out(vty, " %s Link Loss: %g (%%)\n",
1967 anomalous ? "Anomalous" : "Normal", fval);
1968 else
1969 zlog_debug(" %s Link Loss: %g (%%)",
1970 anomalous ? "Anomalous" : "Normal", fval);
16f1b9ee 1971
d62a17ae 1972 return TLV_SIZE(tlvh);
16f1b9ee
OD		 1973}
1974
d7c0a89a
QY		 1975static uint16_t show_vty_link_subtlv_res_bw(struct vty *vty,
1976 struct tlv_header *tlvh)
16f1b9ee 1977{
d62a17ae 1978 struct te_link_subtlv_res_bw *top;
1979 float fval;
16f1b9ee 1980
d62a17ae 1981 top = (struct te_link_subtlv_res_bw *)tlvh;
1982 fval = ntohf(top->value);
16f1b9ee 1983
d62a17ae 1984 if (vty != NULL)
1985 vty_out(vty,
1986 " Unidirectional Residual Bandwidth: %g (Bytes/sec)\n",
1987 fval);
1988 else
1989 zlog_debug(
1990 " Unidirectional Residual Bandwidth: %g (Bytes/sec)",
1991 fval);
1992
1993 return TLV_SIZE(tlvh);
1994}
1995
d7c0a89a
QY		 1996static uint16_t show_vty_link_subtlv_ava_bw(struct vty *vty,
1997 struct tlv_header *tlvh)
d62a17ae 1998{
1999 struct te_link_subtlv_ava_bw *top;
2000 float fval;
2001
2002 top = (struct te_link_subtlv_ava_bw *)tlvh;
2003 fval = ntohf(top->value);
2004
2005 if (vty != NULL)
2006 vty_out(vty,
2007 " Unidirectional Available Bandwidth: %g (Bytes/sec)\n",
2008 fval);
2009 else
2010 zlog_debug(
2011 " Unidirectional Available Bandwidth: %g (Bytes/sec)",
2012 fval);
2013
2014 return TLV_SIZE(tlvh);
2015}
2016
d7c0a89a
QY		 2017static uint16_t show_vty_link_subtlv_use_bw(struct vty *vty,
2018 struct tlv_header *tlvh)
d62a17ae 2019{
2020 struct te_link_subtlv_use_bw *top;
2021 float fval;
2022
2023 top = (struct te_link_subtlv_use_bw *)tlvh;
2024 fval = ntohf(top->value);
2025
2026 if (vty != NULL)
2027 vty_out(vty,
2028 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)\n",
2029 fval);
2030 else
2031 zlog_debug(
2032 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)",
2033 fval);
2034
2035 return TLV_SIZE(tlvh);
2036}
2037
d7c0a89a 2038static uint16_t show_vty_unknown_tlv(struct vty *vty, struct tlv_header *tlvh)
d62a17ae 2039{
2040 if (vty != NULL)
2041 vty_out(vty, " Unknown TLV: [type(0x%x), length(0x%x)]\n",
2042 ntohs(tlvh->type), ntohs(tlvh->length));
2043 else
2044 zlog_debug(" Unknown TLV: [type(0x%x), length(0x%x)]",
2045 ntohs(tlvh->type), ntohs(tlvh->length));
2046
2047 return TLV_SIZE(tlvh);
2048}
2049
d7c0a89a
QY		 2050static uint16_t ospf_mpls_te_show_link_subtlv(struct vty *vty,
2051 struct tlv_header *tlvh0,
2052 uint16_t subtotal, uint16_t total)
d62a17ae 2053{
ead99d5f 2054 struct tlv_header *tlvh, *next;
d7c0a89a 2055 uint16_t sum = subtotal;
d62a17ae 2056
2057 for (tlvh = tlvh0; sum < total;
2058 tlvh = (next ? next : TLV_HDR_NEXT(tlvh))) {
2059 next = NULL;
2060 switch (ntohs(tlvh->type)) {
2061 case TE_LINK_SUBTLV_LINK_TYPE:
2062 sum += show_vty_link_subtlv_link_type(vty, tlvh);
2063 break;
2064 case TE_LINK_SUBTLV_LINK_ID:
2065 sum += show_vty_link_subtlv_link_id(vty, tlvh);
2066 break;
2067 case TE_LINK_SUBTLV_LCLIF_IPADDR:
2068 sum += show_vty_link_subtlv_lclif_ipaddr(vty, tlvh);
2069 break;
2070 case TE_LINK_SUBTLV_RMTIF_IPADDR:
2071 sum += show_vty_link_subtlv_rmtif_ipaddr(vty, tlvh);
2072 break;
2073 case TE_LINK_SUBTLV_TE_METRIC:
2074 sum += show_vty_link_subtlv_te_metric(vty, tlvh);
2075 break;
2076 case TE_LINK_SUBTLV_MAX_BW:
2077 sum += show_vty_link_subtlv_max_bw(vty, tlvh);
2078 break;
2079 case TE_LINK_SUBTLV_MAX_RSV_BW:
2080 sum += show_vty_link_subtlv_max_rsv_bw(vty, tlvh);
2081 break;
2082 case TE_LINK_SUBTLV_UNRSV_BW:
2083 sum += show_vty_link_subtlv_unrsv_bw(vty, tlvh);
2084 break;
2085 case TE_LINK_SUBTLV_RSC_CLSCLR:
2086 sum += show_vty_link_subtlv_rsc_clsclr(vty, tlvh);
2087 break;
2088 case TE_LINK_SUBTLV_LRRID:
2089 sum += show_vty_link_subtlv_lrrid(vty, tlvh);
2090 break;
2091 case TE_LINK_SUBTLV_LLRI:
2092 sum += show_vty_link_subtlv_llri(vty, tlvh);
2093 break;
2094 case TE_LINK_SUBTLV_RIP:
2095 sum += show_vty_link_subtlv_rip(vty, tlvh);
2096 break;
2097 case TE_LINK_SUBTLV_RAS:
2098 sum += show_vty_link_subtlv_ras(vty, tlvh);
2099 break;
2100 case TE_LINK_SUBTLV_AV_DELAY:
2101 sum += show_vty_link_subtlv_av_delay(vty, tlvh);
2102 break;
2103 case TE_LINK_SUBTLV_MM_DELAY:
2104 sum += show_vty_link_subtlv_mm_delay(vty, tlvh);
2105 break;
2106 case TE_LINK_SUBTLV_DELAY_VAR:
2107 sum += show_vty_link_subtlv_delay_var(vty, tlvh);
2108 break;
2109 case TE_LINK_SUBTLV_PKT_LOSS:
2110 sum += show_vty_link_subtlv_pkt_loss(vty, tlvh);
2111 break;
2112 case TE_LINK_SUBTLV_RES_BW:
2113 sum += show_vty_link_subtlv_res_bw(vty, tlvh);
2114 break;
2115 case TE_LINK_SUBTLV_AVA_BW:
2116 sum += show_vty_link_subtlv_ava_bw(vty, tlvh);
2117 break;
2118 case TE_LINK_SUBTLV_USE_BW:
2119 sum += show_vty_link_subtlv_use_bw(vty, tlvh);
2120 break;
2121 default:
2122 sum += show_vty_unknown_tlv(vty, tlvh);
2123 break;
2124 }
2125 }
2126 return sum;
2127}
2128
2129static void ospf_mpls_te_show_info(struct vty *vty, struct ospf_lsa *lsa)
2130{
2131 struct lsa_header *lsah = (struct lsa_header *)lsa->data;
ead99d5f 2132 struct tlv_header *tlvh, *next;
d7c0a89a
QY		 2133 uint16_t sum, total;
2134 uint16_t (*subfunc)(struct vty * vty, struct tlv_header * tlvh,
2135 uint16_t subtotal, uint16_t total) = NULL;
d62a17ae 2136
2137 sum = 0;
2138 total = ntohs(lsah->length) - OSPF_LSA_HEADER_SIZE;
2139
2140 for (tlvh = TLV_HDR_TOP(lsah); sum < total;
2141 tlvh = (next ? next : TLV_HDR_NEXT(tlvh))) {
2142 if (subfunc != NULL) {
2143 sum = (*subfunc)(vty, tlvh, sum, total);
ead99d5f 2144 next = (struct tlv_header *)((char *)tlvh + sum);
d62a17ae 2145 subfunc = NULL;
2146 continue;
2147 }
2148
2149 next = NULL;
2150 switch (ntohs(tlvh->type)) {
2151 case TE_TLV_ROUTER_ADDR:
2152 sum += show_vty_router_addr(vty, tlvh);
2153 break;
2154 case TE_TLV_LINK:
2155 sum += show_vty_link_header(vty, tlvh);
2156 subfunc = ospf_mpls_te_show_link_subtlv;
5d0df50f 2157 next = TLV_DATA(tlvh);
d62a17ae 2158 break;
2159 default:
2160 sum += show_vty_unknown_tlv(vty, tlvh);
2161 break;
2162 }
2163 }
2164 return;
2165}
2166
2167static void ospf_mpls_te_config_write_router(struct vty *vty)
2168{
2169
32ab5cf4 2170 if (OspfMplsTE.enabled) {
d62a17ae 2171 vty_out(vty, " mpls-te on\n");
2172 vty_out(vty, " mpls-te router-address %s\n",
2173 inet_ntoa(OspfMplsTE.router_addr.value));
2174 }
2175
2176 if (OspfMplsTE.inter_as == AS)
2177 vty_out(vty, " mpls-te inter-as as\n");
2178 if (OspfMplsTE.inter_as == Area)
2179 vty_out(vty, " mpls-te inter-as area %s \n",
2180 inet_ntoa(OspfMplsTE.interas_areaid));
2181
2182 return;
718e3744 2183}
2184
2185/*------------------------------------------------------------------------*
2186 * Followings are vty command functions.
2187 *------------------------------------------------------------------------*/
2188
16f1b9ee
OD		 2189DEFUN (ospf_mpls_te_on,
2190 ospf_mpls_te_on_cmd,
2191 "mpls-te on",
2192 MPLS_TE_STR
718e3744 2193 "Enable the MPLS-TE functionality\n")
2194{
a3d826f0 2195 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
d62a17ae 2196 struct listnode *node;
2197 struct mpls_te_link *lp;
7c8ff89e 2198
32ab5cf4 2199 if (OspfMplsTE.enabled)
d62a17ae 2200 return CMD_SUCCESS;
718e3744 2201
d62a17ae 2202 if (IS_DEBUG_OSPF_EVENT)
2203 zlog_debug("MPLS-TE: OFF -> ON");
718e3744 2204
32ab5cf4 2205 OspfMplsTE.enabled = true;
718e3744 2206
d62a17ae 2207 /* Reoriginate RFC3630 & RFC6827 Links */
2208 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule,
2209 REORIGINATE_THIS_LSA);
718e3744 2210
d62a17ae 2211 /* Reoriginate LSA if INTER-AS is always on */
ead99d5f 2212 if (OspfMplsTE.inter_as != Off) {
d62a17ae 2213 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp)) {
2214 if (IS_INTER_AS(lp->type)) {
2215 ospf_mpls_te_lsa_schedule(lp,
2216 REORIGINATE_THIS_LSA);
2217 }
2218 }
2219 }
718e3744 2220
d62a17ae 2221 return CMD_SUCCESS;
718e3744 2222}
2223
16f1b9ee
OD		 2224DEFUN (no_ospf_mpls_te,
2225 no_ospf_mpls_te_cmd,
3a2d747c 2226 "no mpls-te [on]",
718e3744 2227 NO_STR
3a2d747c 2228 MPLS_TE_STR
718e3744 2229 "Disable the MPLS-TE functionality\n")
2230{
a3d826f0 2231 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
d62a17ae 2232 struct listnode *node, *nnode;
2233 struct mpls_te_link *lp;
718e3744 2234
32ab5cf4 2235 if (!OspfMplsTE.enabled)
d62a17ae 2236 return CMD_SUCCESS;
718e3744 2237
d62a17ae 2238 if (IS_DEBUG_OSPF_EVENT)
2239 zlog_debug("MPLS-TE: ON -> OFF");
718e3744 2240
32ab5cf4 2241 OspfMplsTE.enabled = false;
718e3744 2242
d62a17ae 2243 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
32ab5cf4
OD		 2244 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
2245 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
718e3744 2246
d62a17ae 2247 return CMD_SUCCESS;
718e3744 2248}
2249
813d4307 2250
16f1b9ee
OD		 2251DEFUN (ospf_mpls_te_router_addr,
2252 ospf_mpls_te_router_addr_cmd,
718e3744 2253 "mpls-te router-address A.B.C.D",
16f1b9ee 2254 MPLS_TE_STR
718e3744 2255 "Stable IP address of the advertising router\n"
2256 "MPLS-TE router address in IPv4 address format\n")
2257{
a3d826f0 2258 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
d62a17ae 2259 int idx_ipv4 = 2;
2260 struct te_tlv_router_addr *ra = &OspfMplsTE.router_addr;
2261 struct in_addr value;
2262
2263 if (!inet_aton(argv[idx_ipv4]->arg, &value)) {
2264 vty_out(vty, "Please specify Router-Addr by A.B.C.D\n");
2265 return CMD_WARNING;
2266 }
2267
2268 if (ntohs(ra->header.type) == 0
2269 || ntohl(ra->value.s_addr) != ntohl(value.s_addr)) {
2270 struct listnode *node, *nnode;
2271 struct mpls_te_link *lp;
2272 int need_to_reoriginate = 0;
2273
2274 set_mpls_te_router_addr(value);
2275
32ab5cf4 2276 if (!OspfMplsTE.enabled)
ead99d5f 2277 return CMD_SUCCESS;
d62a17ae 2278
2279 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
2280 if ((lp->area == NULL) || IS_FLOOD_AS(lp->type))
2281 continue;
2282
2283 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
2284 need_to_reoriginate = 1;
2285 break;
2286 }
2287 }
2288
2289 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
2290 if ((lp->area == NULL) || IS_FLOOD_AS(lp->type))
2291 continue;
2292
2293 if (need_to_reoriginate)
2294 SET_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH);
2295 else
2296 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
2297 }
2298
2299 if (need_to_reoriginate)
2300 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule,
2301 REORIGINATE_THIS_LSA);
2302 }
ead99d5f 2303
d62a17ae 2304 return CMD_SUCCESS;
2305}
2306
2307static int set_inter_as_mode(struct vty *vty, const char *mode_name,
2308 const char *area_id)
2309{
2310 enum inter_as_mode mode;
2311 struct listnode *node;
2312 struct mpls_te_link *lp;
2313 int format;
2314
32ab5cf4 2315 if (OspfMplsTE.enabled) {
d62a17ae 2316
2317 /* Read and Check inter_as mode */
2318 if (strcmp(mode_name, "as") == 0)
2319 mode = AS;
2320 else if (strcmp(mode_name, "area") == 0) {
2321 mode = Area;
2322 VTY_GET_OSPF_AREA_ID(OspfMplsTE.interas_areaid, format,
2323 area_id);
2324 } else {
2325 vty_out(vty,
2326 "Unknown mode. Please choose between as or area\n");
2327 return CMD_WARNING;
2328 }
2329
2330 if (IS_DEBUG_OSPF_EVENT)
2331 zlog_debug(
2332 "MPLS-TE: Inter-AS enable with %s flooding support",
2333 mode2text[mode]);
2334
2335 /* Register new callbacks regarding the flooding scope (AS or
2336 * Area) */
2337 if (ospf_mpls_te_register(mode) < 0) {
2338 vty_out(vty,
2339 "Internal error: Unable to register Inter-AS functions\n");
2340 return CMD_WARNING;
2341 }
2342
2343 /* Enable mode and re-originate LSA if needed */
ead99d5f 2344 if ((OspfMplsTE.inter_as == Off)
d62a17ae 2345 && (mode != OspfMplsTE.inter_as)) {
2346 OspfMplsTE.inter_as = mode;
2347 /* Re-originate all InterAS-TEv2 LSA */
2348 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node,
2349 lp)) {
2350 if (IS_INTER_AS(lp->type)) {
2351 if (mode == AS)
2352 lp->type |= FLOOD_AS;
2353 else
2354 lp->type |= FLOOD_AREA;
2355 ospf_mpls_te_lsa_schedule(
2356 lp, REORIGINATE_THIS_LSA);
2357 }
2358 }
2359 } else {
2360 vty_out(vty,
2361 "Please change Inter-AS support to disable first before going to mode %s\n",
2362 mode2text[mode]);
2363 return CMD_WARNING;
2364 }
2365 } else {
2366 vty_out(vty, "mpls-te has not been turned on\n");
2367 return CMD_WARNING;
2368 }
2369 return CMD_SUCCESS;
718e3744 2370}
2371
718e3744 2372
16f1b9ee
OD		 2373DEFUN (ospf_mpls_te_inter_as_as,
2374 ospf_mpls_te_inter_as_cmd,
2375 "mpls-te inter-as as",
2376 MPLS_TE_STR
2377 "Configure MPLS-TE Inter-AS support\n"
2378 "AS native mode self originate INTER_AS LSA with Type 11 (as flooding scope)\n")
2379{
d62a17ae 2380 return set_inter_as_mode(vty, "as", "");
718e3744 2381}
2382
16f1b9ee
OD		 2383DEFUN (ospf_mpls_te_inter_as_area,
2384 ospf_mpls_te_inter_as_area_cmd,
6147e2c6 2385 "mpls-te inter-as area <A.B.C.D|(0-4294967295)>",
16f1b9ee
OD		 2386 MPLS_TE_STR
2387 "Configure MPLS-TE Inter-AS support\n"
2388 "AREA native mode self originate INTER_AS LSA with Type 10 (area flooding scope)\n"
2389 "OSPF area ID in IP format\n"
2390 "OSPF area ID as decimal value\n")
718e3744 2391{
d62a17ae 2392 int idx_ipv4_number = 3;
2393 return set_inter_as_mode(vty, "area", argv[idx_ipv4_number]->arg);
718e3744 2394}
2395
16f1b9ee
OD		 2396DEFUN (no_ospf_mpls_te_inter_as,
2397 no_ospf_mpls_te_inter_as_cmd,
2398 "no mpls-te inter-as",
2399 NO_STR
2400 MPLS_TE_STR
2401 "Disable MPLS-TE Inter-AS support\n")
718e3744 2402{
16f1b9ee 2403
d62a17ae 2404 struct listnode *node, *nnode;
2405 struct mpls_te_link *lp;
718e3744 2406
d62a17ae 2407 if (IS_DEBUG_OSPF_EVENT)
2408 zlog_debug("MPLS-TE: Inter-AS support OFF");
718e3744 2409
996c9314 2410 if ((OspfMplsTE.enabled) && (OspfMplsTE.inter_as != Off)) {
ead99d5f 2411 OspfMplsTE.inter_as = Off;
d62a17ae 2412 /* Flush all Inter-AS LSA */
2413 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
2414 if (IS_INTER_AS(lp->type)
2415 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
2416 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
2417 }
718e3744 2418
bcf4475e
OD		 2419 /* Deregister the Callbacks for Inter-AS suport */
2420 ospf_mpls_te_unregister();
2421
d62a17ae 2422 return CMD_SUCCESS;
718e3744 2423}
2424
16f1b9ee
OD		 2425DEFUN (show_ip_ospf_mpls_te_router,
2426 show_ip_ospf_mpls_te_router_cmd,
2427 "show ip ospf mpls-te router",
718e3744 2428 SHOW_STR
16f1b9ee
OD		 2429 IP_STR
2430 OSPF_STR
718e3744 2431 "MPLS-TE information\n"
16f1b9ee 2432 "MPLS-TE Router parameters\n")
718e3744 2433{
32ab5cf4 2434 if (OspfMplsTE.enabled) {
d62a17ae 2435 vty_out(vty, "--- MPLS-TE router parameters ---\n");
2436
2437 if (ntohs(OspfMplsTE.router_addr.header.type) != 0)
2438 show_vty_router_addr(vty,
2439 &OspfMplsTE.router_addr.header);
0af35d90 2440 else
d62a17ae 2441 vty_out(vty, " N/A\n");
2442 }
2443 return CMD_SUCCESS;
2444}
2445
2446static void show_mpls_te_link_sub(struct vty *vty, struct interface *ifp)
2447{
2448 struct mpls_te_link *lp;
2449
996c9314
LB		 2450 if ((OspfMplsTE.enabled) && HAS_LINK_PARAMS(ifp) && !if_is_loopback(ifp)
2451 && if_is_up(ifp)
d62a17ae 2452 && ((lp = lookup_linkparams_by_ifp(ifp)) != NULL)) {
2453 /* Continue only if interface is not passive or support Inter-AS
2454 * TEv2 */
2455 if (!(ospf_oi_count(ifp) > 0)) {
2456 if (IS_INTER_AS(lp->type)) {
2457 vty_out(vty,
2458 "-- Inter-AS TEv2 link parameters for %s --\n",
2459 ifp->name);
2460 } else {
2461 /* MPLS-TE is not activate on this interface */
2462 /* or this interface is passive and Inter-AS
2463 * TEv2 is not activate */
2464 vty_out(vty,
2465 " %s: MPLS-TE is disabled on this interface\n",
2466 ifp->name);
2467 return;
2468 }
2469 } else {
2470 vty_out(vty, "-- MPLS-TE link parameters for %s --\n",
2471 ifp->name);
2472 }
2473
2474 if (TLV_TYPE(lp->link_type) != 0)
2475 show_vty_link_subtlv_link_type(vty,
2476 &lp->link_type.header);
2477 if (TLV_TYPE(lp->link_id) != 0)
2478 show_vty_link_subtlv_link_id(vty, &lp->link_id.header);
2479 if (TLV_TYPE(lp->lclif_ipaddr) != 0)
2480 show_vty_link_subtlv_lclif_ipaddr(
2481 vty, &lp->lclif_ipaddr.header);
2482 if (TLV_TYPE(lp->rmtif_ipaddr) != 0)
2483 show_vty_link_subtlv_rmtif_ipaddr(
2484 vty, &lp->rmtif_ipaddr.header);
2485 if (TLV_TYPE(lp->rip) != 0)
2486 show_vty_link_subtlv_rip(vty, &lp->rip.header);
2487 if (TLV_TYPE(lp->ras) != 0)
2488 show_vty_link_subtlv_ras(vty, &lp->ras.header);
2489 if (TLV_TYPE(lp->te_metric) != 0)
2490 show_vty_link_subtlv_te_metric(vty,
2491 &lp->te_metric.header);
2492 if (TLV_TYPE(lp->max_bw) != 0)
2493 show_vty_link_subtlv_max_bw(vty, &lp->max_bw.header);
2494 if (TLV_TYPE(lp->max_rsv_bw) != 0)
2495 show_vty_link_subtlv_max_rsv_bw(vty,
2496 &lp->max_rsv_bw.header);
2497 if (TLV_TYPE(lp->unrsv_bw) != 0)
2498 show_vty_link_subtlv_unrsv_bw(vty,
2499 &lp->unrsv_bw.header);
2500 if (TLV_TYPE(lp->rsc_clsclr) != 0)
2501 show_vty_link_subtlv_rsc_clsclr(vty,
2502 &lp->rsc_clsclr.header);
2503 if (TLV_TYPE(lp->av_delay) != 0)
2504 show_vty_link_subtlv_av_delay(vty,
2505 &lp->av_delay.header);
2506 if (TLV_TYPE(lp->mm_delay) != 0)
2507 show_vty_link_subtlv_mm_delay(vty,
2508 &lp->mm_delay.header);
2509 if (TLV_TYPE(lp->delay_var) != 0)
2510 show_vty_link_subtlv_delay_var(vty,
2511 &lp->delay_var.header);
2512 if (TLV_TYPE(lp->pkt_loss) != 0)
2513 show_vty_link_subtlv_pkt_loss(vty,
2514 &lp->pkt_loss.header);
2515 if (TLV_TYPE(lp->res_bw) != 0)
2516 show_vty_link_subtlv_res_bw(vty, &lp->res_bw.header);
2517 if (TLV_TYPE(lp->ava_bw) != 0)
2518 show_vty_link_subtlv_ava_bw(vty, &lp->ava_bw.header);
2519 if (TLV_TYPE(lp->use_bw) != 0)
2520 show_vty_link_subtlv_use_bw(vty, &lp->use_bw.header);
2521 vty_out(vty, "---------------\n\n");
2522 } else {
2523 vty_out(vty, " %s: MPLS-TE is disabled on this interface\n",
2524 ifp->name);
2525 }
2526
2527 return;
718e3744 2528}
2529
16f1b9ee
OD		 2530DEFUN (show_ip_ospf_mpls_te_link,
2531 show_ip_ospf_mpls_te_link_cmd,
b5a8894d 2532 "show ip ospf [vrf <NAME|all>] mpls-te interface [INTERFACE]",
718e3744 2533 SHOW_STR
16f1b9ee
OD		 2534 IP_STR
2535 OSPF_STR
b5a8894d
CS		 2536 VRF_CMD_HELP_STR
2537 "All VRFs\n"
718e3744 2538 "MPLS-TE information\n"
2539 "Interface information\n"
2540 "Interface name\n")
2541{
f4e14fdb 2542 struct vrf *vrf;
d62a17ae 2543 int idx_interface = 5;
2544 struct interface *ifp;
f4e14fdb 2545 struct listnode *node;
b5a8894d
CS		 2546 char *vrf_name = NULL;
2547 bool all_vrf;
2548 int inst = 0;
2549 int idx_vrf = 0;
2550 struct ospf *ospf = NULL;
2551
2552 if (argv_find(argv, argc, "vrf", &idx_vrf)) {
2553 vrf_name = argv[idx_vrf + 1]->arg;
2554 all_vrf = strmatch(vrf_name, "all");
2555 }
2556
2557 /* vrf input is provided could be all or specific vrf*/
2558 if (vrf_name) {
2559 if (all_vrf) {
f4e14fdb 2560 for (ALL_LIST_ELEMENTS_RO(om->ospf, node, ospf)) {
b5a8894d
CS		 2561 if (!ospf->oi_running)
2562 continue;
f4e14fdb 2563 vrf = vrf_lookup_by_id(ospf->vrf_id);
451fda4f 2564 FOR_ALL_INTERFACES (vrf, ifp)
b5a8894d
CS		 2565 show_mpls_te_link_sub(vty, ifp);
2566 }
2567 return CMD_SUCCESS;
2568 }
996c9314 2569 ospf = ospf_lookup_by_inst_name(inst, vrf_name);
b5a8894d
CS		 2570 if (ospf == NULL || !ospf->oi_running)
2571 return CMD_SUCCESS;
f4e14fdb 2572 vrf = vrf_lookup_by_id(ospf->vrf_id);
451fda4f 2573 FOR_ALL_INTERFACES (vrf, ifp)
b5a8894d
CS		 2574 show_mpls_te_link_sub(vty, ifp);
2575 return CMD_SUCCESS;
2576 }
d62a17ae 2577 /* Show All Interfaces. */
2578 if (argc == 5) {
f4e14fdb 2579 for (ALL_LIST_ELEMENTS_RO(om->ospf, node, ospf)) {
43b8d1d8
CS		 2580 if (!ospf->oi_running)
2581 continue;
f4e14fdb 2582 vrf = vrf_lookup_by_id(ospf->vrf_id);
451fda4f 2583 FOR_ALL_INTERFACES (vrf, ifp)
43b8d1d8
CS		 2584 show_mpls_te_link_sub(vty, ifp);
2585 }
d62a17ae 2586 }
2587 /* Interface name is specified. */
2588 else {
b5a8894d
CS		 2589 ifp = if_lookup_by_name_all_vrf(argv[idx_interface]->arg);
2590 if (ifp == NULL)
d62a17ae 2591 vty_out(vty, "No such interface name\n");
2592 else
2593 show_mpls_te_link_sub(vty, ifp);
2594 }
2595
2596 return CMD_SUCCESS;
2597}
2598
2599static void ospf_mpls_te_register_vty(void)
2600{
2601 install_element(VIEW_NODE, &show_ip_ospf_mpls_te_router_cmd);
2602 install_element(VIEW_NODE, &show_ip_ospf_mpls_te_link_cmd);
2603
2604 install_element(OSPF_NODE, &ospf_mpls_te_on_cmd);
2605 install_element(OSPF_NODE, &no_ospf_mpls_te_cmd);
2606 install_element(OSPF_NODE, &ospf_mpls_te_router_addr_cmd);
2607 install_element(OSPF_NODE, &ospf_mpls_te_inter_as_cmd);
2608 install_element(OSPF_NODE, &ospf_mpls_te_inter_as_area_cmd);
2609 install_element(OSPF_NODE, &no_ospf_mpls_te_inter_as_cmd);
2610
2611 return;
718e3744 2612}
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