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Merge pull request #13060 from opensourcerouting/feature/allow_peering_with_127.0.0.1
[mirror_frr.git] / ospfd / ospf_te.c
CommitLineData
acddc0ed 1// SPDX-License-Identifier: GPL-2.0-or-later
718e3744 2/*
16f1b9ee 3 * This is an implementation of RFC3630
718e3744 4 * Copyright (C) 2001 KDD R&D Laboratories, Inc.
5 * http://www.kddlabs.co.jp/
6 *
16f1b9ee
OD		 7 * Copyright (C) 2012 Orange Labs
8 * http://www.orange.com
718e3744 9 */
10
16f1b9ee
OD		 11/* Add support of RFC7471 */
12/* Add support of RFC5392, RFC6827 */
718e3744 13
14#include <zebra.h>
16f1b9ee 15#include <math.h>
718e3744 16
718e3744 17#include "linklist.h"
18#include "prefix.h"
b2d7c082 19#include "vrf.h"
718e3744 20#include "if.h"
21#include "table.h"
22#include "memory.h"
23#include "command.h"
24#include "vty.h"
25#include "stream.h"
26#include "log.h"
24a58196 27#include "frrevent.h"
718e3744 28#include "hash.h"
d62a17ae 29#include "sockunion.h" /* for inet_aton() */
16f1b9ee 30#include "network.h"
f173deb3
OD		 31#include "link_state.h"
32#include "zclient.h"
33#include "printfrr.h"
718e3744 34
35#include "ospfd/ospfd.h"
36#include "ospfd/ospf_interface.h"
37#include "ospfd/ospf_ism.h"
38#include "ospfd/ospf_asbr.h"
39#include "ospfd/ospf_lsa.h"
40#include "ospfd/ospf_lsdb.h"
41#include "ospfd/ospf_neighbor.h"
42#include "ospfd/ospf_nsm.h"
43#include "ospfd/ospf_flood.h"
44#include "ospfd/ospf_packet.h"
45#include "ospfd/ospf_spf.h"
46#include "ospfd/ospf_dump.h"
47#include "ospfd/ospf_route.h"
48#include "ospfd/ospf_ase.h"
49#include "ospfd/ospf_zebra.h"
50#include "ospfd/ospf_te.h"
f173deb3
OD		 51#include "ospfd/ospf_sr.h"
52#include "ospfd/ospf_ri.h"
53#include "ospfd/ospf_ext.h"
16f1b9ee 54#include "ospfd/ospf_vty.h"
85c9b439 55#include "ospfd/ospf_errors.h"
718e3744 56
57/*
58 * Global variable to manage Opaque-LSA/MPLS-TE on this node.
59 * Note that all parameter values are stored in network byte order.
60 */
16f1b9ee 61struct ospf_mpls_te OspfMplsTE;
718e3744 62
2b64873d 63static const char *const mode2text[] = {"Off", "AS", "Area"};
718e3744 64
f173deb3 65
718e3744 66/*------------------------------------------------------------------------*
78dfa0c7 67 * Following are initialize/terminate functions for MPLS-TE handling.
718e3744 68 *------------------------------------------------------------------------*/
69
d62a17ae 70static int ospf_mpls_te_new_if(struct interface *ifp);
71static int ospf_mpls_te_del_if(struct interface *ifp);
72static void ospf_mpls_te_ism_change(struct ospf_interface *oi, int old_status);
73static void ospf_mpls_te_nsm_change(struct ospf_neighbor *nbr, int old_status);
74static void ospf_mpls_te_config_write_router(struct vty *vty);
3e63092b
RW		 75static void ospf_mpls_te_show_info(struct vty *vty, struct json_object *json,
76 struct ospf_lsa *lsa);
d62a17ae 77static int ospf_mpls_te_lsa_originate_area(void *arg);
2efd7e2b
OD		 78static int ospf_mpls_te_lsa_inter_as_as(void *arg);
79static int ospf_mpls_te_lsa_inter_as_area(void *arg);
d62a17ae 80static struct ospf_lsa *ospf_mpls_te_lsa_refresh(struct ospf_lsa *lsa);
f173deb3
OD		 81static int ospf_mpls_te_lsa_update(struct ospf_lsa *lsa);
82static int ospf_mpls_te_lsa_delete(struct ospf_lsa *lsa);
d62a17ae 83
84static void del_mpls_te_link(void *val);
85static void ospf_mpls_te_register_vty(void);
86
87int ospf_mpls_te_init(void)
88{
89 int rc;
90
2efd7e2b 91 /* Register Opaque AREA LSA Type 1 for Traffic Engineering */
d62a17ae 92 rc = ospf_register_opaque_functab(
f173deb3
OD		 93 OSPF_OPAQUE_AREA_LSA,
94 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA,
95 ospf_mpls_te_new_if,
96 ospf_mpls_te_del_if,
97 ospf_mpls_te_ism_change,
98 ospf_mpls_te_nsm_change,
718e3744 99 ospf_mpls_te_config_write_router,
f173deb3 100 NULL, /* ospf_mpls_te_config_write_if */
d62a17ae 101 NULL, /* ospf_mpls_te_config_write_debug */
102 ospf_mpls_te_show_info, ospf_mpls_te_lsa_originate_area,
f173deb3
OD		 103 ospf_mpls_te_lsa_refresh,
104 ospf_mpls_te_lsa_update, /* ospf_mpls_te_new_lsa_hook */
105 ospf_mpls_te_lsa_delete /* ospf_mpls_te_del_lsa_hook */);
d62a17ae 106 if (rc != 0) {
ade6974d 107 flog_warn(
cf444bcf 108 EC_OSPF_OPAQUE_REGISTRATION,
fd3c7692
OD		 109 "MPLS-TE (%s): Failed to register Traffic Engineering functions",
110 __func__);
ead99d5f 111 return rc;
d62a17ae 112 }
718e3744 113
2efd7e2b
OD		 114 /*
115 * Wee need also to register Opaque LSA Type 6 i.e. Inter-AS RFC5392 for
116 * both AREA and AS at least to have the possibility to call the show()
117 * function when looking to the opaque LSA of the OSPF database.
118 */
119 rc = ospf_register_opaque_functab(OSPF_OPAQUE_AREA_LSA,
120 OPAQUE_TYPE_INTER_AS_LSA, NULL,
121 NULL, NULL, NULL, NULL, NULL, NULL,
122 ospf_mpls_te_show_info,
123 ospf_mpls_te_lsa_inter_as_area,
124 ospf_mpls_te_lsa_refresh, NULL, NULL);
125 if (rc != 0) {
126 flog_warn(
127 EC_OSPF_OPAQUE_REGISTRATION,
128 "MPLS-TE (%s): Failed to register Inter-AS with Area scope",
129 __func__);
ead99d5f 130 return rc;
2efd7e2b 131 }
16f1b9ee 132
2efd7e2b
OD		 133 rc = ospf_register_opaque_functab(OSPF_OPAQUE_AS_LSA,
134 OPAQUE_TYPE_INTER_AS_LSA, NULL,
d62a17ae 135 NULL, NULL, NULL, NULL, NULL, NULL,
136 ospf_mpls_te_show_info,
2efd7e2b 137 ospf_mpls_te_lsa_inter_as_as,
d62a17ae 138 ospf_mpls_te_lsa_refresh, NULL, NULL);
d62a17ae 139 if (rc != 0) {
2efd7e2b
OD		 140 flog_warn(
141 EC_OSPF_OPAQUE_REGISTRATION,
142 "MPLS-TE (%s): Failed to register Inter-AS with AS scope",
143 __func__);
d62a17ae 144 return rc;
145 }
16f1b9ee 146
6006b807 147 memset(&OspfMplsTE, 0, sizeof(OspfMplsTE));
2efd7e2b
OD		 148 OspfMplsTE.enabled = false;
149 OspfMplsTE.export = false;
150 OspfMplsTE.inter_as = Off;
151 OspfMplsTE.iflist = list_new();
152 OspfMplsTE.iflist->del = del_mpls_te_link;
bcf4475e 153
2efd7e2b 154 ospf_mpls_te_register_vty();
bcf4475e 155
2efd7e2b 156 return rc;
bcf4475e
OD		 157}
158
d62a17ae 159void ospf_mpls_te_term(void)
718e3744 160{
6a154c88 161 list_delete(&OspfMplsTE.iflist);
718e3744 162
bcf4475e
OD		 163 ospf_delete_opaque_functab(OSPF_OPAQUE_AREA_LSA,
164 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA);
2efd7e2b
OD		 165 ospf_delete_opaque_functab(OSPF_OPAQUE_AREA_LSA,
166 OPAQUE_TYPE_INTER_AS_LSA);
167 ospf_delete_opaque_functab(OSPF_OPAQUE_AS_LSA,
168 OPAQUE_TYPE_INTER_AS_LSA);
bcf4475e 169
32ab5cf4 170 OspfMplsTE.enabled = false;
ead99d5f 171 OspfMplsTE.inter_as = Off;
f173deb3 172 OspfMplsTE.export = false;
16f1b9ee 173
d62a17ae 174 return;
718e3744 175}
176
bcf4475e
OD		 177void ospf_mpls_te_finish(void)
178{
bcf4475e
OD		 179 OspfMplsTE.enabled = false;
180 OspfMplsTE.inter_as = Off;
f173deb3 181 OspfMplsTE.export = false;
bcf4475e
OD		 182}
183
718e3744 184/*------------------------------------------------------------------------*
78dfa0c7 185 * Following are control functions for MPLS-TE parameters management.
718e3744 186 *------------------------------------------------------------------------*/
d62a17ae 187static void del_mpls_te_link(void *val)
718e3744 188{
d62a17ae 189 XFREE(MTYPE_OSPF_MPLS_TE, val);
190 return;
718e3744 191}
192
d7c0a89a 193static uint32_t get_mpls_te_instance_value(void)
718e3744 194{
d7c0a89a 195 static uint32_t seqno = 0;
718e3744 196
d62a17ae 197 if (seqno < MAX_LEGAL_TE_INSTANCE_NUM)
198 seqno += 1;
199 else
200 seqno = 1; /* Avoid zero. */
718e3744 201
d62a17ae 202 return seqno;
718e3744 203}
204
d62a17ae 205static struct mpls_te_link *lookup_linkparams_by_ifp(struct interface *ifp)
718e3744 206{
d62a17ae 207 struct listnode *node, *nnode;
208 struct mpls_te_link *lp;
718e3744 209
d62a17ae 210 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
211 if (lp->ifp == ifp)
212 return lp;
718e3744 213
d62a17ae 214 return NULL;
718e3744 215}
216
d62a17ae 217static struct mpls_te_link *lookup_linkparams_by_instance(struct ospf_lsa *lsa)
718e3744 218{
d62a17ae 219 struct listnode *node;
220 struct mpls_te_link *lp;
221 unsigned int key = GET_OPAQUE_ID(ntohl(lsa->data->id.s_addr));
718e3744 222
d62a17ae 223 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp))
224 if (lp->instance == key)
225 return lp;
718e3744 226
fd3c7692 227 ote_debug("MPLS-TE (%s): Entry not found: key(%x)", __func__, key);
d62a17ae 228 return NULL;
718e3744 229}
230
996c9314
LB		 231static void ospf_mpls_te_foreach_area(
232 void (*func)(struct mpls_te_link *lp, enum lsa_opcode sched_opcode),
233 enum lsa_opcode sched_opcode)
718e3744 234{
d62a17ae 235 struct listnode *node, *nnode;
236 struct listnode *node2;
237 struct mpls_te_link *lp;
238 struct ospf_area *area;
718e3744 239
d62a17ae 240 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
241 /* Skip Inter-AS TEv2 Links */
242 if (IS_INTER_AS(lp->type))
243 continue;
244 if ((area = lp->area) == NULL)
245 continue;
32ab5cf4
OD		 246 if (CHECK_FLAG(lp->flags, LPFLG_LOOKUP_DONE))
247 continue;
718e3744 248
d62a17ae 249 if (func != NULL)
250 (*func)(lp, sched_opcode);
718e3744 251
d62a17ae 252 for (node2 = listnextnode(node); node2;
253 node2 = listnextnode(node2))
254 if ((lp = listgetdata(node2)) != NULL)
255 if (lp->area != NULL)
256 if (IPV4_ADDR_SAME(&lp->area->area_id,
257 &area->area_id))
258 SET_FLAG(lp->flags,
259 LPFLG_LOOKUP_DONE);
260 }
718e3744 261
d62a17ae 262 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp))
263 if (lp->area != NULL)
264 UNSET_FLAG(lp->flags, LPFLG_LOOKUP_DONE);
718e3744 265
d62a17ae 266 return;
718e3744 267}
268
d62a17ae 269static void set_mpls_te_router_addr(struct in_addr ipv4)
718e3744 270{
d62a17ae 271 OspfMplsTE.router_addr.header.type = htons(TE_TLV_ROUTER_ADDR);
272 OspfMplsTE.router_addr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
273 OspfMplsTE.router_addr.value = ipv4;
274 return;
718e3744 275}
276
d62a17ae 277static void set_linkparams_link_header(struct mpls_te_link *lp)
718e3744 278{
d7c0a89a 279 uint16_t length = 0;
718e3744 280
d62a17ae 281 /* TE_LINK_SUBTLV_LINK_TYPE */
282 if (ntohs(lp->link_type.header.type) != 0)
283 length += TLV_SIZE(&lp->link_type.header);
718e3744 284
d62a17ae 285 /* TE_LINK_SUBTLV_LINK_ID */
286 if (ntohs(lp->link_id.header.type) != 0)
287 length += TLV_SIZE(&lp->link_id.header);
718e3744 288
d62a17ae 289 /* TE_LINK_SUBTLV_LCLIF_IPADDR */
290 if (lp->lclif_ipaddr.header.type != 0)
291 length += TLV_SIZE(&lp->lclif_ipaddr.header);
718e3744 292
d62a17ae 293 /* TE_LINK_SUBTLV_RMTIF_IPADDR */
294 if (lp->rmtif_ipaddr.header.type != 0)
295 length += TLV_SIZE(&lp->rmtif_ipaddr.header);
718e3744 296
d62a17ae 297 /* TE_LINK_SUBTLV_TE_METRIC */
298 if (ntohs(lp->te_metric.header.type) != 0)
299 length += TLV_SIZE(&lp->te_metric.header);
718e3744 300
d62a17ae 301 /* TE_LINK_SUBTLV_MAX_BW */
302 if (ntohs(lp->max_bw.header.type) != 0)
303 length += TLV_SIZE(&lp->max_bw.header);
718e3744 304
d62a17ae 305 /* TE_LINK_SUBTLV_MAX_RSV_BW */
306 if (ntohs(lp->max_rsv_bw.header.type) != 0)
307 length += TLV_SIZE(&lp->max_rsv_bw.header);
718e3744 308
d62a17ae 309 /* TE_LINK_SUBTLV_UNRSV_BW */
310 if (ntohs(lp->unrsv_bw.header.type) != 0)
311 length += TLV_SIZE(&lp->unrsv_bw.header);
718e3744 312
d62a17ae 313 /* TE_LINK_SUBTLV_RSC_CLSCLR */
314 if (ntohs(lp->rsc_clsclr.header.type) != 0)
315 length += TLV_SIZE(&lp->rsc_clsclr.header);
316
317 /* TE_LINK_SUBTLV_LLRI */
318 if (ntohs(lp->llri.header.type) != 0)
319 length += TLV_SIZE(&lp->llri.header);
320
321 /* TE_LINK_SUBTLV_RIP */
322 if (ntohs(lp->rip.header.type) != 0)
323 length += TLV_SIZE(&lp->rip.header);
324
325 /* TE_LINK_SUBTLV_RAS */
326 if (ntohs(lp->ras.header.type) != 0)
327 length += TLV_SIZE(&lp->ras.header);
328
329 /* TE_LINK_SUBTLV_LRRID */
330 if (ntohs(lp->lrrid.header.type) != 0)
331 length += TLV_SIZE(&lp->lrrid.header);
332
333 /* TE_LINK_SUBTLV_AV_DELAY */
334 if (ntohs(lp->av_delay.header.type) != 0)
335 length += TLV_SIZE(&lp->av_delay.header);
336
337 /* TE_LINK_SUBTLV_MM_DELAY */
338 if (ntohs(lp->mm_delay.header.type) != 0)
339 length += TLV_SIZE(&lp->mm_delay.header);
340
341 /* TE_LINK_SUBTLV_DELAY_VAR */
342 if (ntohs(lp->delay_var.header.type) != 0)
343 length += TLV_SIZE(&lp->delay_var.header);
344
345 /* TE_LINK_SUBTLV_PKT_LOSS */
346 if (ntohs(lp->pkt_loss.header.type) != 0)
347 length += TLV_SIZE(&lp->pkt_loss.header);
348
349 /* TE_LINK_SUBTLV_RES_BW */
350 if (ntohs(lp->res_bw.header.type) != 0)
351 length += TLV_SIZE(&lp->res_bw.header);
352
353 /* TE_LINK_SUBTLV_AVA_BW */
354 if (ntohs(lp->ava_bw.header.type) != 0)
355 length += TLV_SIZE(&lp->ava_bw.header);
356
357 /* TE_LINK_SUBTLV_USE_BW */
358 if (ntohs(lp->use_bw.header.type) != 0)
359 length += TLV_SIZE(&lp->use_bw.header);
718e3744 360
d62a17ae 361 lp->link_header.header.type = htons(TE_TLV_LINK);
362 lp->link_header.header.length = htons(length);
363
364 return;
718e3744 365}
d62a17ae 366
367static void set_linkparams_link_type(struct ospf_interface *oi,
368 struct mpls_te_link *lp)
369{
370 lp->link_type.header.type = htons(TE_LINK_SUBTLV_LINK_TYPE);
371 lp->link_type.header.length = htons(TE_LINK_SUBTLV_TYPE_SIZE);
372
373 switch (oi->type) {
374 case OSPF_IFTYPE_POINTOPOINT:
375 lp->link_type.link_type.value = LINK_TYPE_SUBTLV_VALUE_PTP;
376 break;
377 case OSPF_IFTYPE_BROADCAST:
378 case OSPF_IFTYPE_NBMA:
379 lp->link_type.link_type.value = LINK_TYPE_SUBTLV_VALUE_MA;
380 break;
381 default:
382 /* Not supported yet. */ /* XXX */
383 lp->link_type.header.type = htons(0);
384 break;
385 }
386 return;
718e3744 387}
d62a17ae 388
01c9b80a
OD		 389static void set_linkparams_link_id(struct mpls_te_link *lp,
390 struct in_addr link_id)
718e3744 391{
718e3744 392
d62a17ae 393 lp->link_id.header.type = htons(TE_LINK_SUBTLV_LINK_ID);
394 lp->link_id.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
01c9b80a 395 lp->link_id.value = link_id;
d62a17ae 396 return;
718e3744 397}
398
d62a17ae 399static void set_linkparams_lclif_ipaddr(struct mpls_te_link *lp,
400 struct in_addr lclif)
16f1b9ee
OD		 401{
402
d62a17ae 403 lp->lclif_ipaddr.header.type = htons(TE_LINK_SUBTLV_LCLIF_IPADDR);
404 lp->lclif_ipaddr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
405 lp->lclif_ipaddr.value[0] = lclif;
406 return;
16f1b9ee
OD		 407}
408
d62a17ae 409static void set_linkparams_rmtif_ipaddr(struct mpls_te_link *lp,
410 struct in_addr rmtif)
16f1b9ee
OD		 411{
412
d62a17ae 413 lp->rmtif_ipaddr.header.type = htons(TE_LINK_SUBTLV_RMTIF_IPADDR);
414 lp->rmtif_ipaddr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
415 lp->rmtif_ipaddr.value[0] = rmtif;
416 return;
16f1b9ee
OD		 417}
418
d62a17ae 419static void set_linkparams_te_metric(struct mpls_te_link *lp,
d7c0a89a 420 uint32_t te_metric)
718e3744 421{
d62a17ae 422 lp->te_metric.header.type = htons(TE_LINK_SUBTLV_TE_METRIC);
423 lp->te_metric.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
424 lp->te_metric.value = htonl(te_metric);
425 return;
718e3744 426}
427
d62a17ae 428static void set_linkparams_max_bw(struct mpls_te_link *lp, float fp)
718e3744 429{
d62a17ae 430 lp->max_bw.header.type = htons(TE_LINK_SUBTLV_MAX_BW);
431 lp->max_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
432 lp->max_bw.value = htonf(fp);
433 return;
718e3744 434}
435
d62a17ae 436static void set_linkparams_max_rsv_bw(struct mpls_te_link *lp, float fp)
718e3744 437{
d62a17ae 438 lp->max_rsv_bw.header.type = htons(TE_LINK_SUBTLV_MAX_RSV_BW);
439 lp->max_rsv_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
440 lp->max_rsv_bw.value = htonf(fp);
441 return;
718e3744 442}
443
d62a17ae 444static void set_linkparams_unrsv_bw(struct mpls_te_link *lp, int priority,
445 float fp)
718e3744 446{
d62a17ae 447 /* Note that TLV-length field is the size of array. */
448 lp->unrsv_bw.header.type = htons(TE_LINK_SUBTLV_UNRSV_BW);
449 lp->unrsv_bw.header.length = htons(TE_LINK_SUBTLV_UNRSV_SIZE);
450 lp->unrsv_bw.value[priority] = htonf(fp);
451 return;
718e3744 452}
453
d62a17ae 454static void set_linkparams_rsc_clsclr(struct mpls_te_link *lp,
d7c0a89a 455 uint32_t classcolor)
718e3744 456{
d62a17ae 457 lp->rsc_clsclr.header.type = htons(TE_LINK_SUBTLV_RSC_CLSCLR);
458 lp->rsc_clsclr.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
459 lp->rsc_clsclr.value = htonl(classcolor);
460 return;
718e3744 461}
462
d62a17ae 463static void set_linkparams_inter_as(struct mpls_te_link *lp,
d7c0a89a 464 struct in_addr addr, uint32_t as)
16f1b9ee
OD		 465{
466
d62a17ae 467 /* Set the Remote ASBR IP address and then the associated AS number */
468 lp->rip.header.type = htons(TE_LINK_SUBTLV_RIP);
469 lp->rip.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
470 lp->rip.value = addr;
16f1b9ee 471
d62a17ae 472 lp->ras.header.type = htons(TE_LINK_SUBTLV_RAS);
473 lp->ras.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
474 lp->ras.value = htonl(as);
2efd7e2b
OD		 475
476 /* Set Type & Flooding flag accordingly */
477 lp->type = INTER_AS;
478 if (OspfMplsTE.inter_as == AS)
479 SET_FLAG(lp->flags, LPFLG_LSA_FLOOD_AS);
480 else
481 UNSET_FLAG(lp->flags, LPFLG_LSA_FLOOD_AS);
16f1b9ee
OD		 482}
483
d62a17ae 484static void unset_linkparams_inter_as(struct mpls_te_link *lp)
16f1b9ee
OD		 485{
486
d62a17ae 487 /* Reset the Remote ASBR IP address and then the associated AS number */
488 lp->rip.header.type = htons(0);
489 lp->rip.header.length = htons(0);
490 lp->rip.value.s_addr = htonl(0);
16f1b9ee 491
d62a17ae 492 lp->ras.header.type = htons(0);
493 lp->ras.header.length = htons(0);
494 lp->ras.value = htonl(0);
2efd7e2b
OD		 495
496 /* Reset Type & Flooding flag accordingly */
497 lp->type = STD_TE;
498 UNSET_FLAG(lp->flags, LPFLG_LSA_FLOOD_AS);
16f1b9ee
OD		 499}
500
d7c0a89a
QY		 501void set_linkparams_llri(struct mpls_te_link *lp, uint32_t local,
502 uint32_t remote)
16f1b9ee
OD		 503{
504
d62a17ae 505 lp->llri.header.type = htons(TE_LINK_SUBTLV_LLRI);
506 lp->llri.header.length = htons(TE_LINK_SUBTLV_LLRI_SIZE);
507 lp->llri.local = htonl(local);
508 lp->llri.remote = htonl(remote);
16f1b9ee
OD		 509}
510
d62a17ae 511void set_linkparams_lrrid(struct mpls_te_link *lp, struct in_addr local,
512 struct in_addr remote)
16f1b9ee
OD		 513{
514
d62a17ae 515 lp->lrrid.header.type = htons(TE_LINK_SUBTLV_LRRID);
516 lp->lrrid.header.length = htons(TE_LINK_SUBTLV_LRRID_SIZE);
517 lp->lrrid.local.s_addr = local.s_addr;
518 lp->lrrid.remote.s_addr = remote.s_addr;
16f1b9ee
OD		 519}
520
d7c0a89a
QY		 521static void set_linkparams_av_delay(struct mpls_te_link *lp, uint32_t delay,
522 uint8_t anormal)
16f1b9ee 523{
d7c0a89a 524 uint32_t tmp;
d62a17ae 525 /* Note that TLV-length field is the size of array. */
526 lp->av_delay.header.type = htons(TE_LINK_SUBTLV_AV_DELAY);
527 lp->av_delay.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
528 tmp = delay & TE_EXT_MASK;
529 if (anormal)
530 tmp |= TE_EXT_ANORMAL;
531 lp->av_delay.value = htonl(tmp);
532 return;
16f1b9ee
OD		 533}
534
d7c0a89a
QY		 535static void set_linkparams_mm_delay(struct mpls_te_link *lp, uint32_t low,
536 uint32_t high, uint8_t anormal)
16f1b9ee 537{
d7c0a89a 538 uint32_t tmp;
d62a17ae 539 /* Note that TLV-length field is the size of array. */
540 lp->mm_delay.header.type = htons(TE_LINK_SUBTLV_MM_DELAY);
541 lp->mm_delay.header.length = htons(TE_LINK_SUBTLV_MM_DELAY_SIZE);
542 tmp = low & TE_EXT_MASK;
543 if (anormal)
544 tmp |= TE_EXT_ANORMAL;
545 lp->mm_delay.low = htonl(tmp);
546 lp->mm_delay.high = htonl(high);
547 return;
16f1b9ee
OD		 548}
549
d7c0a89a 550static void set_linkparams_delay_var(struct mpls_te_link *lp, uint32_t jitter)
16f1b9ee 551{
d62a17ae 552 /* Note that TLV-length field is the size of array. */
553 lp->delay_var.header.type = htons(TE_LINK_SUBTLV_DELAY_VAR);
554 lp->delay_var.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
555 lp->delay_var.value = htonl(jitter & TE_EXT_MASK);
556 return;
16f1b9ee
OD		 557}
558
d7c0a89a
QY		 559static void set_linkparams_pkt_loss(struct mpls_te_link *lp, uint32_t loss,
560 uint8_t anormal)
16f1b9ee 561{
d7c0a89a 562 uint32_t tmp;
d62a17ae 563 /* Note that TLV-length field is the size of array. */
564 lp->pkt_loss.header.type = htons(TE_LINK_SUBTLV_PKT_LOSS);
565 lp->pkt_loss.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
566 tmp = loss & TE_EXT_MASK;
567 if (anormal)
568 tmp |= TE_EXT_ANORMAL;
569 lp->pkt_loss.value = htonl(tmp);
570 return;
16f1b9ee
OD		 571}
572
d62a17ae 573static void set_linkparams_res_bw(struct mpls_te_link *lp, float fp)
16f1b9ee 574{
d62a17ae 575 /* Note that TLV-length field is the size of array. */
576 lp->res_bw.header.type = htons(TE_LINK_SUBTLV_RES_BW);
577 lp->res_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
578 lp->res_bw.value = htonf(fp);
579 return;
16f1b9ee
OD		 580}
581
d62a17ae 582static void set_linkparams_ava_bw(struct mpls_te_link *lp, float fp)
16f1b9ee 583{
d62a17ae 584 /* Note that TLV-length field is the size of array. */
585 lp->ava_bw.header.type = htons(TE_LINK_SUBTLV_AVA_BW);
586 lp->ava_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
587 lp->ava_bw.value = htonf(fp);
588 return;
16f1b9ee
OD		 589}
590
d62a17ae 591static void set_linkparams_use_bw(struct mpls_te_link *lp, float fp)
16f1b9ee 592{
d62a17ae 593 /* Note that TLV-length field is the size of array. */
594 lp->use_bw.header.type = htons(TE_LINK_SUBTLV_USE_BW);
595 lp->use_bw.header.length = htons(TE_LINK_SUBTLV_DEF_SIZE);
596 lp->use_bw.value = htonf(fp);
597 return;
16f1b9ee
OD		 598}
599
600/* Update TE parameters from Interface */
d62a17ae 601static void update_linkparams(struct mpls_te_link *lp)
602{
603 int i;
604 struct interface *ifp;
605
606 /* Get the Interface structure */
607 if ((ifp = lp->ifp) == NULL) {
fd3c7692
OD		 608 ote_debug(
609 "MPLS-TE (%s): Abort update TE parameters: no interface associated to Link Parameters",
610 __func__);
d62a17ae 611 return;
612 }
613 if (!HAS_LINK_PARAMS(ifp)) {
fd3c7692
OD		 614 ote_debug(
615 "MPLS-TE (%s): Abort update TE parameters: no Link Parameters for interface",
616 __func__);
d62a17ae 617 return;
618 }
619
620 /* RFC3630 metrics */
621 if (IS_PARAM_SET(ifp->link_params, LP_ADM_GRP))
622 set_linkparams_rsc_clsclr(lp, ifp->link_params->admin_grp);
623 else
624 TLV_TYPE(lp->rsc_clsclr) = 0;
625
626 if (IS_PARAM_SET(ifp->link_params, LP_MAX_BW))
627 set_linkparams_max_bw(lp, ifp->link_params->max_bw);
628 else
629 TLV_TYPE(lp->max_bw) = 0;
630
631 if (IS_PARAM_SET(ifp->link_params, LP_MAX_RSV_BW))
632 set_linkparams_max_rsv_bw(lp, ifp->link_params->max_rsv_bw);
633 else
634 TLV_TYPE(lp->max_rsv_bw) = 0;
635
636 if (IS_PARAM_SET(ifp->link_params, LP_UNRSV_BW))
637 for (i = 0; i < MAX_CLASS_TYPE; i++)
638 set_linkparams_unrsv_bw(lp, i,
639 ifp->link_params->unrsv_bw[i]);
640 else
641 TLV_TYPE(lp->unrsv_bw) = 0;
642
643 if (IS_PARAM_SET(ifp->link_params, LP_TE_METRIC))
644 set_linkparams_te_metric(lp, ifp->link_params->te_metric);
645 else
646 TLV_TYPE(lp->te_metric) = 0;
647
648 /* TE metric Extensions */
649 if (IS_PARAM_SET(ifp->link_params, LP_DELAY))
650 set_linkparams_av_delay(lp, ifp->link_params->av_delay, 0);
651 else
652 TLV_TYPE(lp->av_delay) = 0;
653
654 if (IS_PARAM_SET(ifp->link_params, LP_MM_DELAY))
655 set_linkparams_mm_delay(lp, ifp->link_params->min_delay,
656 ifp->link_params->max_delay, 0);
657 else
658 TLV_TYPE(lp->mm_delay) = 0;
659
660 if (IS_PARAM_SET(ifp->link_params, LP_DELAY_VAR))
661 set_linkparams_delay_var(lp, ifp->link_params->delay_var);
662 else
663 TLV_TYPE(lp->delay_var) = 0;
664
665 if (IS_PARAM_SET(ifp->link_params, LP_PKT_LOSS))
666 set_linkparams_pkt_loss(lp, ifp->link_params->pkt_loss, 0);
667 else
668 TLV_TYPE(lp->pkt_loss) = 0;
669
670 if (IS_PARAM_SET(ifp->link_params, LP_RES_BW))
671 set_linkparams_res_bw(lp, ifp->link_params->res_bw);
672 else
673 TLV_TYPE(lp->res_bw) = 0;
674
675 if (IS_PARAM_SET(ifp->link_params, LP_AVA_BW))
676 set_linkparams_ava_bw(lp, ifp->link_params->ava_bw);
677 else
678 TLV_TYPE(lp->ava_bw) = 0;
679
680 if (IS_PARAM_SET(ifp->link_params, LP_USE_BW))
681 set_linkparams_use_bw(lp, ifp->link_params->use_bw);
682 else
683 TLV_TYPE(lp->use_bw) = 0;
684
685 /* RFC5392 */
686 if (IS_PARAM_SET(ifp->link_params, LP_RMT_AS)) {
687 /* Flush LSA if it engaged and was previously a STD_TE one */
688 if (IS_STD_TE(lp->type)
689 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
fd3c7692
OD		 690 ote_debug(
691 "MPLS-TE (%s): Update IF: Switch from Standard LSA to INTER-AS for %s[%d/%d]",
692 __func__, ifp->name, lp->flags, lp->type);
d62a17ae 693
694 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
695 /* Then, switch it to INTER-AS */
2efd7e2b
OD		 696 if (OspfMplsTE.inter_as == AS) {
697 lp->type = INTER_AS;
698 SET_FLAG(lp->flags, LPFLG_LSA_FLOOD_AS);
699 } else {
700 lp->type = INTER_AS;
701 UNSET_FLAG(lp->flags, LPFLG_LSA_FLOOD_AS);
d62a17ae 702 lp->area = ospf_area_lookup_by_area_id(
b5a8894d 703 ospf_lookup_by_vrf_id(VRF_DEFAULT),
d62a17ae 704 OspfMplsTE.interas_areaid);
705 }
706 }
707 set_linkparams_inter_as(lp, ifp->link_params->rmt_ip,
708 ifp->link_params->rmt_as);
709 } else {
fd3c7692
OD		 710 ote_debug(
711 "MPLS-TE (%s): Update IF: Switch from INTER-AS LSA to Standard for %s[%d/%d]",
712 __func__, ifp->name, lp->flags, lp->type);
d62a17ae 713
714 /* reset inter-as TE params */
715 /* Flush LSA if it engaged and was previously an INTER_AS one */
716 if (IS_INTER_AS(lp->type)
717 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
718 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
719 /* Then, switch it to Standard TE */
2efd7e2b
OD		 720 lp->flags = STD_TE;
721 UNSET_FLAG(lp->flags, LPFLG_LSA_FLOOD_AS);
d62a17ae 722 }
723 unset_linkparams_inter_as(lp);
724 }
725}
726
727static void initialize_linkparams(struct mpls_te_link *lp)
728{
729 struct interface *ifp = lp->ifp;
ead99d5f
OD		 730 struct ospf_interface *oi = NULL;
731 struct route_node *rn;
d62a17ae 732
f173deb3
OD		 733 ote_debug("MPLS-TE (%s): Initialize Link Parameters for interface %s",
734 __func__, ifp->name);
d62a17ae 735
ead99d5f 736 /* Search OSPF Interface parameters for this interface */
996c9314 737 for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) {
ead99d5f
OD		 738
739 if ((oi = rn->info) == NULL)
740 continue;
741
742 if (oi->ifp == ifp)
743 break;
744 }
745
746 if ((oi == NULL) || (oi->ifp != ifp)) {
fd3c7692
OD		 747 ote_debug(
748 "MPLS-TE (%s): Could not find corresponding OSPF Interface for %s",
749 __func__, ifp->name);
d62a17ae 750 return;
751 }
752
753 /*
754 * Try to set initial values those can be derived from
755 * zebra-interface information.
756 */
757 set_linkparams_link_type(oi, lp);
758
759 /* Set local IP addr */
760 set_linkparams_lclif_ipaddr(lp, oi->address->u.prefix4);
761
762 /* Set Remote IP addr if Point to Point Interface */
ead99d5f 763 if (oi->type == OSPF_IFTYPE_POINTOPOINT) {
d62a17ae 764 struct prefix *pref = CONNECTED_PREFIX(oi->connected);
765 if (pref != NULL)
766 set_linkparams_rmtif_ipaddr(lp, pref->u.prefix4);
767 }
768
769 /* Keep Area information in combination with link parameters. */
770 lp->area = oi->area;
771
772 return;
773}
774
775static int is_mandated_params_set(struct mpls_te_link *lp)
776{
777 int rc = 0;
778
779 if (ntohs(OspfMplsTE.router_addr.header.type) == 0) {
fd3c7692
OD		 780 flog_warn(EC_OSPF_TE_UNEXPECTED,
781 "MPLS-TE (%s): Missing Router Address", __func__);
ead99d5f 782 return rc;
d62a17ae 783 }
784
785 if (ntohs(lp->link_type.header.type) == 0) {
cf444bcf 786 flog_warn(EC_OSPF_TE_UNEXPECTED,
fd3c7692 787 "MPLS-TE (%s): Missing Link Type", __func__);
ead99d5f 788 return rc;
d62a17ae 789 }
790
791 if (!IS_INTER_AS(lp->type) && (ntohs(lp->link_id.header.type) == 0)) {
f173deb3
OD		 792 flog_warn(EC_OSPF_TE_UNEXPECTED, "MPLS-TE (%s) Missing Link ID",
793 __func__);
ead99d5f 794 return rc;
d62a17ae 795 }
796
797 rc = 1;
d62a17ae 798 return rc;
718e3744 799}
800
801/*------------------------------------------------------------------------*
78dfa0c7 802 * Following are callback functions against generic Opaque-LSAs handling.
718e3744 803 *------------------------------------------------------------------------*/
804
d62a17ae 805static int ospf_mpls_te_new_if(struct interface *ifp)
718e3744 806{
d62a17ae 807 struct mpls_te_link *new;
718e3744 808
fd3c7692
OD		 809 ote_debug("MPLS-TE (%s): Add new %s interface %s to MPLS-TE list",
810 __func__, ifp->link_params ? "Active" : "Inactive",
811 ifp->name);
16f1b9ee 812
2c72cf2a
DS		 813 if (lookup_linkparams_by_ifp(ifp) != NULL)
814 return 0;
718e3744 815
d62a17ae 816 new = XCALLOC(MTYPE_OSPF_MPLS_TE, sizeof(struct mpls_te_link));
718e3744 817
d62a17ae 818 new->instance = get_mpls_te_instance_value();
819 new->ifp = ifp;
820 /* By default TE-Link is RFC3630 compatible flooding in Area and not
821 * active */
822 /* This default behavior will be adapted with call to
823 * ospf_mpls_te_update_if() */
2efd7e2b 824 new->type = STD_TE;
d62a17ae 825 new->flags = LPFLG_LSA_INACTIVE;
16f1b9ee 826
d62a17ae 827 /* Initialize Link Parameters from Interface */
828 initialize_linkparams(new);
718e3744 829
d62a17ae 830 /* Set TE Parameters from Interface */
831 update_linkparams(new);
718e3744 832
d62a17ae 833 /* Add Link Parameters structure to the list */
834 listnode_add(OspfMplsTE.iflist, new);
718e3744 835
fd3c7692
OD		 836 ote_debug("MPLS-TE (%s): Add new LP context for %s[%d/%d]", __func__,
837 ifp->name, new->flags, new->type);
16f1b9ee 838
d62a17ae 839 /* Schedule Opaque-LSA refresh. */ /* XXX */
2c72cf2a 840 return 0;
718e3744 841}
842
d62a17ae 843static int ospf_mpls_te_del_if(struct interface *ifp)
718e3744 844{
d62a17ae 845 struct mpls_te_link *lp;
846 int rc = -1;
718e3744 847
d62a17ae 848 if ((lp = lookup_linkparams_by_ifp(ifp)) != NULL) {
849 struct list *iflist = OspfMplsTE.iflist;
718e3744 850
d62a17ae 851 /* Dequeue listnode entry from the list. */
852 listnode_delete(iflist, lp);
718e3744 853
d62a17ae 854 XFREE(MTYPE_OSPF_MPLS_TE, lp);
855 }
718e3744 856
d62a17ae 857 /* Schedule Opaque-LSA refresh. */ /* XXX */
718e3744 858
d62a17ae 859 rc = 0;
d62a17ae 860 return rc;
718e3744 861}
862
16f1b9ee
OD		 863/* Main initialization / update function of the MPLS TE Link context */
864
865/* Call when interface TE Link parameters are modified */
d62a17ae 866void ospf_mpls_te_update_if(struct interface *ifp)
867{
868 struct mpls_te_link *lp;
869
fd3c7692
OD		 870 ote_debug("MPLS-TE (%s): Update LSA parameters for interface %s [%s]",
871 __func__, ifp->name, HAS_LINK_PARAMS(ifp) ? "ON" : "OFF");
d62a17ae 872
873 /* Get Link context from interface */
874 if ((lp = lookup_linkparams_by_ifp(ifp)) == NULL) {
ade6974d 875 flog_warn(
cf444bcf 876 EC_OSPF_TE_UNEXPECTED,
fd3c7692
OD		 877 "MPLS-TE (%s): Did not find Link Parameters context for interface %s",
878 __func__, ifp->name);
d62a17ae 879 return;
880 }
881
882 /* Fulfill MPLS-TE Link TLV from Interface TE Link parameters */
883 if (HAS_LINK_PARAMS(ifp)) {
884 SET_FLAG(lp->flags, LPFLG_LSA_ACTIVE);
885
886 /* Update TE parameters */
887 update_linkparams(lp);
888
889 /* Finally Re-Originate or Refresh Opaque LSA if MPLS_TE is
890 * enabled */
32ab5cf4 891 if (OspfMplsTE.enabled)
d62a17ae 892 if (lp->area != NULL) {
32ab5cf4 893 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
996c9314
LB		 894 ospf_mpls_te_lsa_schedule(
895 lp, REFRESH_THIS_LSA);
32ab5cf4 896 else
996c9314
LB		 897 ospf_mpls_te_lsa_schedule(
898 lp, REORIGINATE_THIS_LSA);
d62a17ae 899 }
900 } else {
901 /* If MPLS TE is disable on this interface, flush LSA if it is
902 * already engaged */
32ab5cf4
OD		 903 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
904 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
d62a17ae 905 else
906 /* Reset Activity flag */
907 lp->flags = LPFLG_LSA_INACTIVE;
908 }
909
910 return;
911}
912
01c9b80a
OD		 913/*
914 * Just add interface and set available information. Other information
915 * and flooding of LSA will be done later when adjacency will be up
916 * See ospf_mpls_te_nsm_change() after
917 */
d62a17ae 918static void ospf_mpls_te_ism_change(struct ospf_interface *oi, int old_state)
919{
01c9b80a 920
d62a17ae 921 struct mpls_te_link *lp;
922
01c9b80a
OD		 923 lp = lookup_linkparams_by_ifp(oi->ifp);
924 if (lp == NULL) {
ade6974d 925 flog_warn(
cf444bcf 926 EC_OSPF_TE_UNEXPECTED,
01c9b80a
OD		 927 "MPLS-TE (%s): Cannot get linkparams from OI(%s)?",
928 __func__, IF_NAME(oi));
ead99d5f 929 return;
d62a17ae 930 }
931
932 if (oi->area == NULL || oi->area->ospf == NULL) {
ade6974d 933 flog_warn(
cf444bcf 934 EC_OSPF_TE_UNEXPECTED,
01c9b80a
OD		 935 "MPLS-TE (%s): Cannot refer to OSPF from OI(%s)?",
936 __func__, IF_NAME(oi));
ead99d5f 937 return;
d62a17ae 938 }
01c9b80a 939
d62a17ae 940 /* Keep Area information in combination with linkparams. */
941 lp->area = oi->area;
942
d62a17ae 943 switch (oi->state) {
944 case ISM_PointToPoint:
945 case ISM_DROther:
946 case ISM_Backup:
947 case ISM_DR:
01c9b80a 948 /* Set Link type and Local IP addr */
d62a17ae 949 set_linkparams_link_type(oi, lp);
d62a17ae 950 set_linkparams_lclif_ipaddr(lp, oi->address->u.prefix4);
951
d62a17ae 952 break;
50ec09db
OD		 953 case ISM_Down:
954 /* Interface goes Down: Flush LSA if engaged */
955 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
956 ote_debug(
957 "MPLS-TE (%s): Interface %s goes down: flush LSA",
958 __func__, IF_NAME(oi));
32ab5cf4 959 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
50ec09db
OD		 960 return;
961 }
962 break;
963 default:
d62a17ae 964 break;
965 }
718e3744 966
fd3c7692
OD		 967 ote_debug("MPLS-TE (%s): Update Link parameters for interface %s",
968 __func__, IF_NAME(oi));
01c9b80a 969
d62a17ae 970 return;
718e3744 971}
972
01c9b80a
OD		 973/*
974 * Complete TE info and schedule LSA flooding
975 * Link-ID and Remote IP address must be set with neighbor info
976 * which are only valid once NSM state is FULL
977 */
d62a17ae 978static void ospf_mpls_te_nsm_change(struct ospf_neighbor *nbr, int old_state)
718e3744 979{
01c9b80a
OD		 980 struct ospf_interface *oi = nbr->oi;
981 struct mpls_te_link *lp;
982
983 /* Process Neighbor only when its state is NSM Full */
984 if (nbr->state != NSM_Full)
985 return;
986
987 /* Get interface information for Traffic Engineering */
988 lp = lookup_linkparams_by_ifp(oi->ifp);
989 if (lp == NULL) {
990 flog_warn(
991 EC_OSPF_TE_UNEXPECTED,
992 "MPLS-TE (%s): Cannot get linkparams from OI(%s)?",
993 __func__, IF_NAME(oi));
994 return;
995 }
996
997 if (oi->area == NULL || oi->area->ospf == NULL) {
998 flog_warn(
999 EC_OSPF_TE_UNEXPECTED,
1000 "MPLS-TE (%s): Cannot refer to OSPF from OI(%s)?",
1001 __func__, IF_NAME(oi));
1002 return;
1003 }
1004
50ec09db
OD		 1005 /* Flush TE Opaque LSA if Neighbor State goes Down or Deleted */
1006 if (OspfMplsTE.enabled
1007 && (nbr->state == NSM_Down || nbr->state == NSM_Deleted)) {
1008 if (CHECK_FLAG(lp->flags, EXT_LPFLG_LSA_ENGAGED)) {
1009 ote_debug(
1010 "MPLS-TE (%s): Interface %s goes down: flush LSA",
1011 __func__, IF_NAME(oi));
1012 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
1013 }
1014 return;
1015 }
1016
01c9b80a
OD		 1017 /* Keep Area information in combination with SR info. */
1018 lp->area = oi->area;
1019
01c9b80a
OD		 1020 /*
1021 * The Link ID is identical to the contents of the Link ID field
1022 * in the Router LSA for these link types.
1023 */
1024 switch (oi->state) {
1025 case ISM_PointToPoint:
1026 /* Set Link ID with neighbor Router ID */
1027 set_linkparams_link_id(lp, nbr->router_id);
1028 /* Set Remote IP address */
1029 set_linkparams_rmtif_ipaddr(lp, nbr->address.u.prefix4);
1030 break;
1031
1032 case ISM_DR:
1033 case ISM_DROther:
1034 case ISM_Backup:
1035 /* Set Link ID with the Designated Router ID */
1036 set_linkparams_link_id(lp, DR(oi));
1037 break;
1038
50ec09db
OD		 1039 case ISM_Down:
1040 /* State goes Down: Flush LSA if engaged */
f173deb3
OD		 1041 if (OspfMplsTE.enabled
1042 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
50ec09db
OD		 1043 ote_debug(
1044 "MPLS-TE (%s): Interface %s goes down: flush LSA",
1045 __func__, IF_NAME(oi));
01c9b80a 1046 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
50ec09db 1047 }
01c9b80a 1048 return;
50ec09db
OD		 1049 default:
1050 break;
01c9b80a
OD		 1051 }
1052
fd3c7692
OD		 1053 ote_debug("MPLS-TE (%s): Add Link-ID %pI4 for interface %s ", __func__,
1054 &lp->link_id.value, oi->ifp->name);
01c9b80a
OD		 1055
1056 /* Try to Schedule LSA */
1057 if (OspfMplsTE.enabled) {
1058 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
1059 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
1060 else
1061 ospf_mpls_te_lsa_schedule(lp, REORIGINATE_THIS_LSA);
1062 }
d62a17ae 1063 return;
718e3744 1064}
1065
1066/*------------------------------------------------------------------------*
78dfa0c7 1067 * Following are OSPF protocol processing functions for MPLS-TE LSA.
718e3744 1068 *------------------------------------------------------------------------*/
1069
ead99d5f 1070static void build_tlv_header(struct stream *s, struct tlv_header *tlvh)
d62a17ae 1071{
ead99d5f 1072 stream_put(s, tlvh, sizeof(struct tlv_header));
d62a17ae 1073 return;
1074}
1075
1076static void build_router_tlv(struct stream *s)
1077{
ead99d5f 1078 struct tlv_header *tlvh = &OspfMplsTE.router_addr.header;
d62a17ae 1079 if (ntohs(tlvh->type) != 0) {
1080 build_tlv_header(s, tlvh);
5d0df50f 1081 stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh));
d62a17ae 1082 }
1083 return;
1084}
1085
ead99d5f 1086static void build_link_subtlv(struct stream *s, struct tlv_header *tlvh)
d62a17ae 1087{
1088
1089 if ((tlvh != NULL) && (ntohs(tlvh->type) != 0)) {
1090 build_tlv_header(s, tlvh);
5d0df50f 1091 stream_put(s, TLV_DATA(tlvh), TLV_BODY_SIZE(tlvh));
d62a17ae 1092 }
1093 return;
1094}
1095
1096static void build_link_tlv(struct stream *s, struct mpls_te_link *lp)
1097{
1098 set_linkparams_link_header(lp);
1099 build_tlv_header(s, &lp->link_header.header);
1100
1101 build_link_subtlv(s, &lp->link_type.header);
1102 build_link_subtlv(s, &lp->link_id.header);
1103 build_link_subtlv(s, &lp->lclif_ipaddr.header);
1104 build_link_subtlv(s, &lp->rmtif_ipaddr.header);
1105 build_link_subtlv(s, &lp->te_metric.header);
1106 build_link_subtlv(s, &lp->max_bw.header);
1107 build_link_subtlv(s, &lp->max_rsv_bw.header);
1108 build_link_subtlv(s, &lp->unrsv_bw.header);
1109 build_link_subtlv(s, &lp->rsc_clsclr.header);
1110 build_link_subtlv(s, &lp->lrrid.header);
1111 build_link_subtlv(s, &lp->llri.header);
1112 build_link_subtlv(s, &lp->rip.header);
1113 build_link_subtlv(s, &lp->ras.header);
1114 build_link_subtlv(s, &lp->av_delay.header);
1115 build_link_subtlv(s, &lp->mm_delay.header);
1116 build_link_subtlv(s, &lp->delay_var.header);
1117 build_link_subtlv(s, &lp->pkt_loss.header);
1118 build_link_subtlv(s, &lp->res_bw.header);
1119 build_link_subtlv(s, &lp->ava_bw.header);
1120 build_link_subtlv(s, &lp->use_bw.header);
1121
1122 return;
1123}
1124
1125static void ospf_mpls_te_lsa_body_set(struct stream *s, struct mpls_te_link *lp)
1126{
1127 /*
2efd7e2b
OD		 1128 * The router address TLV is type 1, and ... It must appear in exactly
1129 * one Traffic Engineering LSA originated by a router but not in
1130 * Inter-AS TLV.
d62a17ae 1131 */
2efd7e2b
OD		 1132 if (!IS_INTER_AS(lp->type))
1133 build_router_tlv(s);
d62a17ae 1134
1135 /*
1136 * Only one Link TLV shall be carried in each LSA, allowing for fine
1137 * granularity changes in topology.
1138 */
1139 build_link_tlv(s, lp);
1140 return;
718e3744 1141}
1142
1143/* Create new opaque-LSA. */
b5a8894d
CS		 1144static struct ospf_lsa *ospf_mpls_te_lsa_new(struct ospf *ospf,
1145 struct ospf_area *area,
d62a17ae 1146 struct mpls_te_link *lp)
1147{
1148 struct stream *s;
1149 struct lsa_header *lsah;
1150 struct ospf_lsa *new = NULL;
d7c0a89a 1151 uint8_t options, lsa_type = 0;
d62a17ae 1152 struct in_addr lsa_id;
d7c0a89a
QY		 1153 uint32_t tmp;
1154 uint16_t length;
d62a17ae 1155
1156 /* Create a stream for LSA. */
266469eb 1157 s = stream_new(OSPF_MAX_LSA_SIZE);
d62a17ae 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)) {
2efd7e2b 1164 if (IS_FLOOD_AS(lp->flags)) {
72c03801
QY		 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
fd3c7692 1196 ote_debug(
50ec09db 1197 "MPLS-TE (%s): LSA[Type%d:%pI4]: Create an Opaque-LSA/MPLS-TE instance",
fd3c7692 1198 __func__, lsa_type, &lsa_id);
d62a17ae 1199
1200 /* Set opaque-LSA body fields. */
1201 ospf_mpls_te_lsa_body_set(s, lp);
1202
1203 /* Set length. */
1204 length = stream_get_endp(s);
1205 lsah->length = htons(length);
1206
1207 /* Now, create an OSPF LSA instance. */
5b3d4186 1208 new = ospf_lsa_new_and_data(length);
d62a17ae 1209
b5a8894d
CS		 1210 new->vrf_id = ospf->vrf_id;
1211 if (area && area->ospf)
1212 new->vrf_id = area->ospf->vrf_id;
d62a17ae 1213 new->area = area;
1214 SET_FLAG(new->flags, OSPF_LSA_SELF);
1215 memcpy(new->data, lsah, length);
1216 stream_free(s);
718e3744 1217
d62a17ae 1218 return new;
1219}
1220
1221static int ospf_mpls_te_lsa_originate1(struct ospf_area *area,
1222 struct mpls_te_link *lp)
1223{
b5a8894d 1224 struct ospf_lsa *new = NULL;
d62a17ae 1225 int rc = -1;
1226
1227 /* Create new Opaque-LSA/MPLS-TE instance. */
b5a8894d
CS		 1228 new = ospf_mpls_te_lsa_new(area->ospf, area, lp);
1229 if (new == NULL) {
fd3c7692
OD		 1230 flog_warn(EC_OSPF_TE_UNEXPECTED,
1231 "MPLS-TE (%s): ospf_mpls_te_lsa_new() ?", __func__);
ead99d5f 1232 return rc;
d62a17ae 1233 }
1234
1235 /* Install this LSA into LSDB. */
1236 if (ospf_lsa_install(area->ospf, NULL /*oi*/, new) == NULL) {
cf444bcf 1237 flog_warn(EC_OSPF_LSA_INSTALL_FAILURE,
fd3c7692 1238 "MPLS-TE (%s): ospf_lsa_install() ?", __func__);
d62a17ae 1239 ospf_lsa_unlock(&new);
ead99d5f 1240 return rc;
d62a17ae 1241 }
1242
1243 /* Now this link-parameter entry has associated LSA. */
1244 SET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
1245 /* Update new LSA origination count. */
1246 area->ospf->lsa_originate_count++;
1247
1248 /* Flood new LSA through area. */
1249 ospf_flood_through_area(area, NULL /*nbr*/, new);
1250
fd3c7692
OD		 1251 ote_debug(
1252 "MPLS-TE (%s): LSA[Type%d:%pI4]: Originate Opaque-LSA/MPLS-TE: Area(%pI4), Link(%s)",
1253 __func__, new->data->type, &new->data->id, &area->area_id,
1254 lp->ifp->name);
1255 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE))
d62a17ae 1256 ospf_lsa_header_dump(new->data);
d62a17ae 1257
1258 rc = 0;
d62a17ae 1259 return rc;
1260}
1261
1262static int ospf_mpls_te_lsa_originate_area(void *arg)
1263{
1264 struct ospf_area *area = (struct ospf_area *)arg;
1265 struct listnode *node, *nnode;
1266 struct mpls_te_link *lp;
1267 int rc = -1;
1268
32ab5cf4 1269 if (!OspfMplsTE.enabled) {
fd3c7692 1270 ote_debug("MPLS-TE (%s): MPLS-TE is disabled now.", __func__);
d62a17ae 1271 rc = 0; /* This is not an error case. */
ead99d5f 1272 return rc;
d62a17ae 1273 }
1274
1275 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
1276 /* Process only enabled LSA with area scope flooding */
1277 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)
2efd7e2b 1278 || IS_FLOOD_AS(lp->flags))
d62a17ae 1279 continue;
1280
1281 if (lp->area == NULL)
1282 continue;
1283
1284 if (!IPV4_ADDR_SAME(&lp->area->area_id, &area->area_id))
1285 continue;
1286
32ab5cf4
OD		 1287 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
1288 if (CHECK_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH)) {
1289 UNSET_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH);
fd3c7692
OD		 1290 ote_debug(
1291 "MPLS-TE (%s): Refresh instead of Originate",
1292 __func__);
32ab5cf4 1293 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
d62a17ae 1294 }
32ab5cf4
OD		 1295 continue;
1296 }
1297
d62a17ae 1298 if (!is_mandated_params_set(lp)) {
fd3c7692
OD		 1299 ote_debug(
1300 "MPLS-TE (%s): Link(%s) lacks some mandated MPLS-TE parameters.",
1301 __func__, lp->ifp ? lp->ifp->name : "?");
d62a17ae 1302 continue;
1303 }
1304
1305 /* Ok, let's try to originate an LSA for this area and Link. */
fd3c7692
OD		 1306 ote_debug(
1307 "MPLS-TE (%s): Let's finally reoriginate the LSA %d through the Area %pI4 for Link %s",
1308 __func__, lp->instance, &area->area_id,
1309 lp->ifp ? lp->ifp->name : "?");
d62a17ae 1310 if (ospf_mpls_te_lsa_originate1(area, lp) != 0)
ead99d5f 1311 return rc;
d62a17ae 1312 }
1313
1314 rc = 0;
d62a17ae 1315 return rc;
1316}
718e3744 1317
d62a17ae 1318static int ospf_mpls_te_lsa_originate2(struct ospf *top,
1319 struct mpls_te_link *lp)
1320{
1321 struct ospf_lsa *new;
1322 int rc = -1;
1323
1324 /* Create new Opaque-LSA/Inter-AS instance. */
b5a8894d
CS		 1325 new = ospf_mpls_te_lsa_new(top, NULL, lp);
1326 if (new == NULL) {
fd3c7692
OD		 1327 flog_warn(EC_OSPF_LSA_UNEXPECTED,
1328 "MPLS-TE (%s): ospf_router_info_lsa_new() ?",
1329 __func__);
ead99d5f 1330 return rc;
d62a17ae 1331 }
b5a8894d 1332 new->vrf_id = top->vrf_id;
d62a17ae 1333
1334 /* Install this LSA into LSDB. */
1335 if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) {
cf444bcf 1336 flog_warn(EC_OSPF_LSA_INSTALL_FAILURE,
fd3c7692 1337 "MPLS-TE (%s): ospf_lsa_install() ?", __func__);
d62a17ae 1338 ospf_lsa_unlock(&new);
ead99d5f 1339 return rc;
d62a17ae 1340 }
1341
1342 /* Now this Router Info parameter entry has associated LSA. */
1343 SET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
1344 /* Update new LSA origination count. */
1345 top->lsa_originate_count++;
1346
1347 /* Flood new LSA through AS. */
1348 ospf_flood_through_as(top, NULL /*nbr */, new);
1349
fd3c7692
OD		 1350 ote_debug(
1351 "MPLS-TE (%s): LSA[Type%d:%pI4]: Originate Opaque-LSA/MPLS-TE Inter-AS",
1352 __func__, new->data->type, &new->data->id);
1353 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE))
d62a17ae 1354 ospf_lsa_header_dump(new->data);
fd3c7692 1355
d62a17ae 1356
1357 rc = 0;
d62a17ae 1358 return rc;
1359}
1360
1361static int ospf_mpls_te_lsa_originate_as(void *arg)
1362{
1363 struct ospf *top;
1364 struct ospf_area *area;
1365 struct listnode *node, *nnode;
1366 struct mpls_te_link *lp;
1367 int rc = -1;
1368
996c9314 1369 if ((!OspfMplsTE.enabled) || (OspfMplsTE.inter_as == Off)) {
fd3c7692
OD		 1370 ote_debug("MPLS-TE (%s): Inter-AS is disabled for now",
1371 __func__);
d62a17ae 1372 rc = 0; /* This is not an error case. */
ead99d5f 1373 return rc;
d62a17ae 1374 }
1375
1376 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
1377 /* Process only enabled INTER_AS Links or Pseudo-Links */
1378 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)
2efd7e2b 1379 || !CHECK_FLAG(lp->flags, LPFLG_LSA_FLOOD_AS)
d62a17ae 1380 || !IS_INTER_AS(lp->type))
1381 continue;
1382
32ab5cf4
OD		 1383 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
1384 if (CHECK_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH)) {
996c9314 1385 UNSET_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH);
32ab5cf4 1386 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
d62a17ae 1387 }
32ab5cf4
OD		 1388 continue;
1389 }
1390
d62a17ae 1391 if (!is_mandated_params_set(lp)) {
ade6974d 1392 flog_warn(
cf444bcf 1393 EC_OSPF_TE_UNEXPECTED,
fd3c7692
OD		 1394 "MPLS-TE (%s): Link(%s) lacks some mandated MPLS-TE parameters.",
1395 __func__, lp->ifp ? lp->ifp->name : "?");
d62a17ae 1396 continue;
1397 }
1398
1399 /* Ok, let's try to originate an LSA for this AS and Link. */
fd3c7692
OD		 1400 ote_debug(
1401 "MPLS-TE (%s): Let's finally re-originate the Inter-AS LSA %d through the %s for Link %s",
1402 __func__, lp->instance,
2efd7e2b 1403 IS_FLOOD_AS(lp->flags) ? "AS" : "Area",
fd3c7692 1404 lp->ifp ? lp->ifp->name : "Unknown");
d62a17ae 1405
2efd7e2b 1406 if (IS_FLOOD_AS(lp->flags)) {
d62a17ae 1407 top = (struct ospf *)arg;
1408 ospf_mpls_te_lsa_originate2(top, lp);
1409 } else {
1410 area = (struct ospf_area *)arg;
1411 ospf_mpls_te_lsa_originate1(area, lp);
1412 }
1413 }
1414
1415 rc = 0;
d62a17ae 1416 return rc;
1417}
1418
2efd7e2b
OD		 1419/*
1420 * As Inter-AS LSA must be registered with both AREA and AS flooding, and
1421 * because all origination callback functions are call (disregarding the Opaque
1422 * LSA type and Flooding scope) it is necessary to determine which flooding
1423 * scope is associated with the LSA origination as parameter is of type void and
1424 * must be cast to struct *ospf for AS flooding and to struct *ospf_area for
1425 * Area flooding.
1426 */
1427static int ospf_mpls_te_lsa_inter_as_as(void *arg)
1428{
1429 if (OspfMplsTE.inter_as == AS)
1430 return ospf_mpls_te_lsa_originate_as(arg);
1431 else
1432 return 0;
1433}
1434
1435static int ospf_mpls_te_lsa_inter_as_area(void *arg)
1436{
1437 if (OspfMplsTE.inter_as == Area)
1438 return ospf_mpls_te_lsa_originate_area(arg);
1439 else
1440 return 0;
1441}
1442
d62a17ae 1443static struct ospf_lsa *ospf_mpls_te_lsa_refresh(struct ospf_lsa *lsa)
1444{
1445 struct mpls_te_link *lp;
1446 struct ospf_area *area = lsa->area;
1447 struct ospf *top;
1448 struct ospf_lsa *new = NULL;
1449
32ab5cf4 1450 if (!OspfMplsTE.enabled) {
d62a17ae 1451 /*
1452 * This LSA must have flushed before due to MPLS-TE status
1453 * change.
1454 * It seems a slip among routers in the routing domain.
1455 */
fd3c7692 1456 ote_debug("MPLS-TE (%s): MPLS-TE is disabled now", __func__);
d62a17ae 1457 lsa->data->ls_age =
1458 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1459 }
1460
1461 /* At first, resolve lsa/lp relationship. */
1462 if ((lp = lookup_linkparams_by_instance(lsa)) == NULL) {
cf444bcf 1463 flog_warn(EC_OSPF_TE_UNEXPECTED,
fd3c7692 1464 "MPLS-TE (%s): Invalid parameter?", __func__);
d62a17ae 1465 lsa->data->ls_age =
1466 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
20a7c80c
DS		 1467 ospf_opaque_lsa_flush_schedule(lsa);
1468 return NULL;
d62a17ae 1469 }
1470
1471 /* Check if lp was not disable in the interval */
1472 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE)) {
fd3c7692
OD		 1473 flog_warn(EC_OSPF_TE_UNEXPECTED,
1474 "MPLS-TE (%s): lp was disabled: Flush it!", __func__);
d62a17ae 1475 lsa->data->ls_age =
1476 htons(OSPF_LSA_MAXAGE); /* Flush it anyway. */
1477 }
1478
1479 /* If the lsa's age reached to MaxAge, start flushing procedure. */
1480 if (IS_LSA_MAXAGE(lsa)) {
20a7c80c 1481 UNSET_FLAG(lp->flags, LPFLG_LSA_ENGAGED);
d62a17ae 1482 ospf_opaque_lsa_flush_schedule(lsa);
ead99d5f 1483 return NULL;
d62a17ae 1484 }
b5a8894d 1485 top = ospf_lookup_by_vrf_id(lsa->vrf_id);
d62a17ae 1486 /* Create new Opaque-LSA/MPLS-TE instance. */
b5a8894d
CS		 1487 new = ospf_mpls_te_lsa_new(top, area, lp);
1488 if (new == NULL) {
cf444bcf 1489 flog_warn(EC_OSPF_TE_UNEXPECTED,
fd3c7692 1490 "MPLS-TE (%s): ospf_mpls_te_lsa_new() ?", __func__);
ead99d5f 1491 return NULL;
d62a17ae 1492 }
1493 new->data->ls_seqnum = lsa_seqnum_increment(lsa);
1494
1495 /* Install this LSA into LSDB. */
1496 /* Given "lsa" will be freed in the next function. */
1497 /* As area could be NULL i.e. when using OPAQUE_LSA_AS, we prefer to use
1498 * ospf_lookup() to get ospf instance */
1499 if (area)
1500 top = area->ospf;
d62a17ae 1501
1502 if (ospf_lsa_install(top, NULL /*oi */, new) == NULL) {
cf444bcf 1503 flog_warn(EC_OSPF_LSA_INSTALL_FAILURE,
fd3c7692 1504 "MPLS-TE (%s): ospf_lsa_install() ?", __func__);
d62a17ae 1505 ospf_lsa_unlock(&new);
ead99d5f 1506 return NULL;
d62a17ae 1507 }
1508
1509 /* Flood updated LSA through AS or Area depending of the RFC of the link
1510 */
2efd7e2b 1511 if (IS_FLOOD_AS(lp->flags))
d62a17ae 1512 ospf_flood_through_as(top, NULL, new);
1513 else
1514 ospf_flood_through_area(area, NULL /*nbr*/, new);
1515
1516 /* Debug logging. */
fd3c7692
OD		 1517 ote_debug("MPLS-TE (%s): LSA[Type%d:%pI4]: Refresh Opaque-LSA/MPLS-TE",
1518 __func__, new->data->type, &new->data->id);
1519 if (IS_DEBUG_OSPF(lsa, LSA_GENERATE))
d62a17ae 1520 ospf_lsa_header_dump(new->data);
d62a17ae 1521
d62a17ae 1522 return new;
1523}
1524
2a39170c 1525void ospf_mpls_te_lsa_schedule(struct mpls_te_link *lp, enum lsa_opcode opcode)
d62a17ae 1526{
1527 struct ospf_lsa lsa;
1528 struct lsa_header lsah;
1529 struct ospf *top;
d7c0a89a 1530 uint32_t tmp;
d62a17ae 1531
1532 memset(&lsa, 0, sizeof(lsa));
1533 memset(&lsah, 0, sizeof(lsah));
b5a8894d 1534 top = ospf_lookup_by_vrf_id(VRF_DEFAULT);
d62a17ae 1535
1536 /* Check if the pseudo link is ready to flood */
2efd7e2b 1537 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ACTIVE))
d62a17ae 1538 return;
d62a17ae 1539
f173deb3
OD		 1540 ote_debug("MPLS-TE (%s): Schedule %s%s%s LSA for interface %s",
1541 __func__,
fd3c7692
OD		 1542 opcode == REORIGINATE_THIS_LSA ? "Re-Originate" : "",
1543 opcode == REFRESH_THIS_LSA ? "Refresh" : "",
1544 opcode == FLUSH_THIS_LSA ? "Flush" : "",
1545 lp->ifp ? lp->ifp->name : "-");
1546
d62a17ae 1547 lsa.area = lp->area;
1548 lsa.data = &lsah;
2efd7e2b 1549 if (IS_FLOOD_AS(lp->flags)) {
d62a17ae 1550 lsah.type = OSPF_OPAQUE_AS_LSA;
1551 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA, lp->instance);
1552 lsah.id.s_addr = htonl(tmp);
1553 } else {
1554 lsah.type = OSPF_OPAQUE_AREA_LSA;
1555 if (IS_INTER_AS(lp->type)) {
1556 /* Set the area context if not know */
1557 if (lp->area == NULL)
1558 lp->area = ospf_area_lookup_by_area_id(
1559 top, OspfMplsTE.interas_areaid);
1560 /* Unable to set the area context. Abort! */
1561 if (lp->area == NULL) {
ade6974d 1562 flog_warn(
cf444bcf 1563 EC_OSPF_TE_UNEXPECTED,
fd3c7692
OD		 1564 "MPLS-TE (%s): Area context is null. Abort !",
1565 __func__);
d62a17ae 1566 return;
1567 }
1568 tmp = SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA,
1569 lp->instance);
1570 } else
1571 tmp = SET_OPAQUE_LSID(
1572 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA,
1573 lp->instance);
1574 lsah.id.s_addr = htonl(tmp);
1575 }
1576
1577 switch (opcode) {
1578 case REORIGINATE_THIS_LSA:
2efd7e2b 1579 if (IS_FLOOD_AS(lp->flags)) {
d62a17ae 1580 ospf_opaque_lsa_reoriginate_schedule(
1581 (void *)top, OSPF_OPAQUE_AS_LSA,
1582 OPAQUE_TYPE_INTER_AS_LSA);
2efd7e2b 1583 } else {
d62a17ae 1584 if (IS_INTER_AS(lp->type))
1585 ospf_opaque_lsa_reoriginate_schedule(
1586 (void *)lp->area, OSPF_OPAQUE_AREA_LSA,
1587 OPAQUE_TYPE_INTER_AS_LSA);
1588 else
1589 ospf_opaque_lsa_reoriginate_schedule(
1590 (void *)lp->area, OSPF_OPAQUE_AREA_LSA,
1591 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA);
d62a17ae 1592 }
1593 break;
1594 case REFRESH_THIS_LSA:
1595 ospf_opaque_lsa_refresh_schedule(&lsa);
1596 break;
1597 case FLUSH_THIS_LSA:
1598 /* Reset Activity flag */
1599 lp->flags = LPFLG_LSA_INACTIVE;
1600 ospf_opaque_lsa_flush_schedule(&lsa);
1601 break;
1602 default:
cf444bcf 1603 flog_warn(EC_OSPF_TE_UNEXPECTED,
fd3c7692 1604 "MPLS-TE (%s): Unknown opcode (%u)", __func__,
d62a17ae 1605 opcode);
1606 break;
1607 }
718e3744 1608}
1609
f173deb3
OD		 1610/**
1611 * ------------------------------------------------------
78dfa0c7 1612 * Following are Link State Data Base control functions.
f173deb3
OD		 1613 * ------------------------------------------------------
1614 */
718e3744 1615
f173deb3
OD		 1616/**
1617 * Get Vertex from TED by the router which advertised the LSA. A new Vertex and
1618 * associated Link State Node are created if Vertex is not found.
1619 *
1620 * @param ted Link State Traffic Engineering Database
1621 * @param lsa OSPF Link State Advertisement
1622 *
1623 * @return Link State Vertex
1624 */
1625static struct ls_vertex *get_vertex(struct ls_ted *ted, struct ospf_lsa *lsa)
718e3744 1626{
f173deb3
OD		 1627 struct ls_node_id lnid;
1628 struct ls_node *lnode;
1629 struct ls_vertex *vertex;
718e3744 1630
f173deb3
OD		 1631 /* Sanity Check */
1632 if (!ted || !lsa || !lsa->data || !lsa->area)
1633 return NULL;
718e3744 1634
f173deb3
OD		 1635 /* Search if a Link State Vertex already exist */
1636 lnid.origin = OSPFv2;
1637 lnid.id.ip.addr = lsa->data->adv_router;
1638 lnid.id.ip.area_id = lsa->area->area_id;
1639 vertex = ls_find_vertex_by_id(ted, lnid);
1640
1641 /* Create Node & Vertex in the Link State Date Base if not found */
1642 if (!vertex) {
1643 const struct in_addr inaddr_any = {.s_addr = INADDR_ANY};
1644
1645 lnode = ls_node_new(lnid, inaddr_any, in6addr_any);
1646 snprintfrr(lnode->name, MAX_NAME_LENGTH, "%pI4",
1647 &lnid.id.ip.addr);
1648 vertex = ls_vertex_add(ted, lnode);
1649 }
1650
1651 if (IS_LSA_SELF(lsa))
1652 ted->self = vertex;
1653
1654 return vertex;
718e3744 1655}
1656
f173deb3
OD		 1657/**
1658 * Get Edge from TED by Link State Attribute ID. A new Edge and associated Link
1659 * State Attributes are created if not found.
1660 *
1661 * @param ted Link State Traffic Engineering Database
1662 * @param adv Link State Node ID of router which advertised Edge
1663 * @param link_id Link State Attribute ID
1664 *
1665 * @return Link State Edge
1666 */
1667static struct ls_edge *get_edge(struct ls_ted *ted, struct ls_node_id adv,
1668 struct in_addr link_id)
718e3744 1669{
f173deb3
OD		 1670 uint64_t key;
1671 struct ls_edge *edge;
1672 struct ls_attributes *attr;
1673
1674 /* Search Edge that corresponds to the Link ID */
1675 key = ((uint64_t)ntohl(link_id.s_addr)) & 0xffffffff;
1676 edge = ls_find_edge_by_key(ted, key);
1677
1678 /* Create new one if not exist */
1679 if (!edge) {
1680 attr = ls_attributes_new(adv, link_id, in6addr_any, 0);
1681 edge = ls_edge_add(ted, attr);
1682 }
718e3744 1683
f173deb3 1684 return edge;
718e3744 1685}
1686
f173deb3
OD		 1687/**
1688 * Export Link State information to consumer daemon through ZAPI Link State
1689 * Opaque Message.
1690 *
1691 * @param type Type of Link State Element i.e. Vertex, Edge or Subnet
1692 * @param link_state Pointer to Link State Vertex, Edge or Subnet
1693 *
1694 * @return 0 if success, -1 otherwise
1695 */
1696static int ospf_te_export(uint8_t type, void *link_state)
718e3744 1697{
f173deb3
OD		 1698 struct ls_message msg = {};
1699 int rc = 0;
718e3744 1700
f173deb3
OD		 1701 if (!OspfMplsTE.export)
1702 return rc;
1703
1704 switch (type) {
1705 case LS_MSG_TYPE_NODE:
1706 ls_vertex2msg(&msg, (struct ls_vertex *)link_state);
1707 rc = ls_send_msg(zclient, &msg, NULL);
d62a17ae 1708 break;
f173deb3
OD		 1709 case LS_MSG_TYPE_ATTRIBUTES:
1710 ls_edge2msg(&msg, (struct ls_edge *)link_state);
1711 rc = ls_send_msg(zclient, &msg, NULL);
1712 break;
1713 case LS_MSG_TYPE_PREFIX:
1714 ls_subnet2msg(&msg, (struct ls_subnet *)link_state);
1715 rc = ls_send_msg(zclient, &msg, NULL);
d62a17ae 1716 break;
1717 default:
f173deb3 1718 rc = -1;
d62a17ae 1719 break;
1720 }
718e3744 1721
f173deb3 1722 return rc;
718e3744 1723}
1724
f173deb3
OD		 1725/**
1726 * Update Link State Edge & Attributes from the given Link State Attributes ID
1727 * and metric. This function is called when parsing Router LSA.
1728 *
1729 * @param ted Link State Traffic Engineering Database
1730 * @param vertex Vertex where the Edge is attached as source
1731 * @param link_data Link State Edge ID
1732 * @param metric Standard metric attached to this Edge
1733 */
1734static void ospf_te_update_link(struct ls_ted *ted, struct ls_vertex *vertex,
1735 struct in_addr link_data, uint8_t metric)
718e3744 1736{
f173deb3
OD		 1737 struct ls_edge *edge;
1738 struct ls_attributes *attr;
718e3744 1739
f173deb3
OD		 1740 /* Sanity check */
1741 if (!ted || !vertex || !vertex->node)
1742 return;
718e3744 1743
f173deb3
OD		 1744 /* Get Corresponding Edge from Link State Data Base */
1745 edge = get_edge(ted, vertex->node->adv, link_data);
1746 attr = edge->attributes;
718e3744 1747
f173deb3
OD		 1748 /* re-attached edge to vertex if needed */
1749 if (!edge->source)
1750 edge->source = vertex;
718e3744 1751
f173deb3
OD		 1752 /* Check if it is just an LSA refresh */
1753 if ((CHECK_FLAG(attr->flags, LS_ATTR_METRIC)
1754 && (attr->metric == metric))) {
1755 edge->status = SYNC;
1756 return;
1757 }
718e3744 1758
f173deb3
OD		 1759 /* Update metric value */
1760 attr->metric = metric;
1761 SET_FLAG(attr->flags, LS_ATTR_METRIC);
1762 if (edge->status != NEW)
1763 edge->status = UPDATE;
718e3744 1764
f173deb3
OD		 1765 ote_debug(" |- %s Edge %pI4 with metric %d",
1766 edge->status == NEW ? "Add" : "Update", &attr->standard.local,
1767 attr->metric);
1768
1769 /* Export Link State Edge */
1770 ospf_te_export(LS_MSG_TYPE_ATTRIBUTES, edge);
1771 edge->status = SYNC;
718e3744 1772}
1773
f173deb3
OD		 1774/**
1775 * Update Link State Subnet & Prefix from the given prefix and metric. This
1776 * function is called when parsing Router LSA.
1777 *
1778 * @param ted Link State Traffic Engineering Database
1779 * @param vertex Vertex where the Edge is attached as source
1780 * @param p Prefix associated to the Subnet
1781 * @param metric Standard metric attached to this Edge
1782 */
1783static void ospf_te_update_subnet(struct ls_ted *ted, struct ls_vertex *vertex,
1784 struct prefix p, uint8_t metric)
718e3744 1785{
f173deb3
OD		 1786 struct ls_subnet *subnet;
1787 struct ls_prefix *ls_pref;
1788
1789 /* Search if there is a Subnet for this prefix */
1790 subnet = ls_find_subnet(ted, p);
1791
1792 /* If found a Subnet, check if it is attached to this Vertex */
1793 if (subnet) {
1794 /* Re-attach the subnet to the vertex if necessary */
1795 if (subnet->vertex != vertex) {
1796 subnet->vertex = vertex;
1797 listnode_add_sort_nodup(vertex->prefixes, subnet);
1798 }
1799 /* Check if it is a simple refresh */
1800 ls_pref = subnet->ls_pref;
1801 if ((CHECK_FLAG(ls_pref->flags, LS_PREF_METRIC))
1802 && (ls_pref->metric == metric)) {
1803 subnet->status = SYNC;
1804 return;
1805 }
1806 ls_pref->metric = metric;
1807 SET_FLAG(ls_pref->flags, LS_PREF_METRIC);
1808 subnet->status = UPDATE;
1809 } else {
1810 /* Create new Link State Prefix */
1811 ls_pref = ls_prefix_new(vertex->node->adv, p);
1812 ls_pref->metric = metric;
1813 SET_FLAG(ls_pref->flags, LS_PREF_METRIC);
1814 /* and add it to the TED */
1815 subnet = ls_subnet_add(ted, ls_pref);
1816 }
718e3744 1817
f173deb3
OD		 1818 ote_debug(" |- %s subnet %pFX with metric %d",
1819 subnet->status == NEW ? "Add" : "Update", &subnet->key,
1820 ls_pref->metric);
718e3744 1821
f173deb3
OD		 1822 /* Export Link State Subnet */
1823 ospf_te_export(LS_MSG_TYPE_PREFIX, subnet);
1824 subnet->status = SYNC;
718e3744 1825}
1826
f173deb3
OD		 1827/**
1828 * Delete Subnet that correspond to the given IPv4 address and export deletion
936fbaef 1829 * information before removal. Prefix length is fixed to IPV4_MAX_BITLEN.
f173deb3
OD		 1830 *
1831 * @param ted Links State Database
1832 * @param addr IPv4 address
1833 */
1834static void ospf_te_delete_subnet(struct ls_ted *ted, struct in_addr addr)
718e3744 1835{
f173deb3
OD		 1836 struct prefix p;
1837 struct ls_subnet *subnet;
1838
1839 /* Search subnet that correspond to the address/32 as prefix */
1840 p.family = AF_INET;
936fbaef 1841 p.prefixlen = IPV4_MAX_BITLEN;
f173deb3
OD		 1842 p.u.prefix4 = addr;
1843 subnet = ls_find_subnet(ted, p);
1844
1845 /* Remove subnet if found */
1846 if (subnet) {
1847 subnet->status = DELETE;
1848 ospf_te_export(LS_MSG_TYPE_PREFIX, subnet);
1849 ls_subnet_del_all(ted, subnet);
1850 }
718e3744 1851}
1852
f173deb3
OD		 1853/**
1854 * Parse Router LSA. This function will create or update corresponding Vertex,
1855 * Edge and Subnet. It also remove Edge and Subnet if they are marked as Orphan
1856 * once Router LSA is parsed.
1857 *
1858 * @param ted Link State Traffic Engineering Database
1859 * @param lsa OSPF Link State Advertisement
1860 *
1861 * @return 0 if success, -1 otherwise
1862 */
1863static int ospf_te_parse_router_lsa(struct ls_ted *ted, struct ospf_lsa *lsa)
718e3744 1864{
f173deb3
OD		 1865 struct router_lsa *rl;
1866 enum ls_node_type type;
1867 struct ls_vertex *vertex;
1868 struct ls_edge *edge;
1869 struct ls_subnet *subnet;
1870 struct listnode *node;
8db278b5 1871 int len, links;
f173deb3
OD		 1872
1873 /* Sanity Check */
1874 if (!ted || !lsa || !lsa->data)
1875 return -1;
1876
1877 ote_debug("MPLS-TE (%s): Parse Router LSA[%pI4] from Router[%pI4]",
1878 __func__, &lsa->data->id, &lsa->data->adv_router);
1879
1880 /* Get vertex from LSA Advertise Router ID */
1881 vertex = get_vertex(ted, lsa);
1882
1883 /* Set Node type information if it has changed */
1884 rl = (struct router_lsa *)lsa->data;
1885 if (IS_ROUTER_LSA_VIRTUAL(rl))
1886 type = PSEUDO;
1887 else if (IS_ROUTER_LSA_EXTERNAL(rl))
1888 type = ASBR;
1889 else if (IS_ROUTER_LSA_BORDER(rl))
1890 type = ABR;
1891 else
1892 type = STANDARD;
1893
1894 if (vertex->status == NEW) {
1895 vertex->node->type = type;
1896 SET_FLAG(vertex->node->flags, LS_NODE_TYPE);
1897 } else if (vertex->node->type != type) {
1898 vertex->node->type = type;
1899 vertex->status = UPDATE;
1900 }
718e3744 1901
f173deb3
OD		 1902 /* Check if Vertex has been modified */
1903 if (vertex->status != SYNC) {
1904 ote_debug(" |- %s Vertex %pI4",
1905 vertex->status == NEW ? "Add" : "Update",
1906 &vertex->node->router_id);
718e3744 1907
f173deb3
OD		 1908 /* Vertex is out of sync: export it */
1909 ospf_te_export(LS_MSG_TYPE_NODE, vertex);
1910 vertex->status = SYNC;
1911 }
1912
1913 /* Mark outgoing Edge and Subnet as ORPHAN to detect deletion */
1914 for (ALL_LIST_ELEMENTS_RO(vertex->outgoing_edges, node, edge))
1915 edge->status = ORPHAN;
1916
1917 for (ALL_LIST_ELEMENTS_RO(vertex->prefixes, node, subnet))
1918 subnet->status = ORPHAN;
1919
1920 /* Then, process Link Information */
8db278b5
OD		 1921 len = lsa->size - OSPF_LSA_HEADER_SIZE - OSPF_ROUTER_LSA_MIN_SIZE;
1922 links = ntohs(rl->links);
1923 for (int i = 0; i < links && len > 0; len -= 12, i++) {
f173deb3
OD		 1924 struct prefix p;
1925 uint32_t metric;
1926
1927 switch (rl->link[i].type) {
1928 case LSA_LINK_TYPE_POINTOPOINT:
1929 ospf_te_update_link(ted, vertex, rl->link[i].link_data,
1930 ntohs(rl->link[i].metric));
1931 /* Add corresponding subnet */
1932 p.family = AF_INET;
936fbaef 1933 p.prefixlen = IPV4_MAX_BITLEN;
f173deb3
OD		 1934 p.u.prefix4 = rl->link[i].link_data;
1935 metric = ntohs(rl->link[i].metric);
1936 ospf_te_update_subnet(ted, vertex, p, metric);
1937 break;
1938 case LSA_LINK_TYPE_STUB:
1939 /* Keep only /32 prefix */
1940 p.prefixlen = ip_masklen(rl->link[i].link_data);
936fbaef 1941 if (p.prefixlen == IPV4_MAX_BITLEN) {
f173deb3
OD		 1942 p.family = AF_INET;
1943 p.u.prefix4 = rl->link[i].link_id;
1944 metric = ntohs(rl->link[i].metric);
1945 ospf_te_update_subnet(ted, vertex, p, metric);
1946 }
1947 break;
1948 default:
1949 break;
1950 }
1951 }
1952 /* Clean remaining Orphan Edges or Subnets */
1953 if (OspfMplsTE.export)
1954 ls_vertex_clean(ted, vertex, zclient);
d62a17ae 1955 else
f173deb3 1956 ls_vertex_clean(ted, vertex, NULL);
718e3744 1957
f173deb3 1958 return 0;
718e3744 1959}
1960
f173deb3
OD		 1961/**
1962 * Delete Vertex, Edge and Subnet associated to this Router LSA. This function
1963 * is called when the router received such LSA with MAX_AGE (Flush) or when the
1964 * router stop OSPF.
1965 *
1966 * @param ted Link State Traffic Engineering Database
1967 * @param lsa OSPF Link State Advertisement
1968 *
1969 * @return 0 if success, -1 otherwise
1970 */
1971static int ospf_te_delete_router_lsa(struct ls_ted *ted, struct ospf_lsa *lsa)
718e3744 1972{
f173deb3
OD		 1973 struct ls_node_id lnid;
1974 struct ls_vertex *vertex;
718e3744 1975
f173deb3
OD		 1976 /* Sanity Check */
1977 if (!ted || !lsa || !lsa->data)
1978 return -1;
718e3744 1979
f173deb3
OD		 1980 /* Search Vertex that corresponds to this LSA */
1981 lnid.origin = OSPFv2;
1982 lnid.id.ip.addr = lsa->data->adv_router;
1983 lnid.id.ip.area_id = lsa->area->area_id;
1984 vertex = ls_find_vertex_by_id(ted, lnid);
1985 if (!vertex)
1986 return -1;
718e3744 1987
f173deb3
OD		 1988 ote_debug("MPLS-TE (%s): Delete Vertex %pI4 from Router LSA[%pI4]",
1989 __func__, &vertex->node->router_id, &lsa->data->id);
718e3744 1990
f173deb3
OD		 1991 /* Export deleted vertex ... */
1992 vertex->status = DELETE;
1993 ospf_te_export(LS_MSG_TYPE_NODE, vertex);
16f1b9ee 1994
f173deb3
OD		 1995 /* ... and remove Node & Vertex from Link State Date Base */
1996 ls_vertex_del_all(ted, vertex);
718e3744 1997
f173deb3 1998 return 0;
718e3744 1999}
2000
f173deb3
OD		 2001/**
2002 * Create or update Remote Vertex that corresponds to the remote ASBR of the
2003 * foreign network if Edge is associated to an Inter-AS LSA (Type 6).
2004 *
2005 * @param ted Link State Traffic Engineering Database
2006 * @param edge Link State Edge
2007 */
2008static void ospf_te_update_remote_asbr(struct ls_ted *ted, struct ls_edge *edge)
718e3744 2009{
f173deb3
OD		 2010 struct ls_node_id lnid;
2011 struct ls_vertex *vertex;
2012 struct ls_node *lnode;
2013 struct ls_attributes *attr;
2014 struct prefix p;
2015
2016 /* Sanity Check */
2017 if (!ted || !edge)
2018 return;
718e3744 2019
f173deb3
OD		 2020 /* Search if a Link State Vertex already exist */
2021 attr = edge->attributes;
2022 lnid.origin = OSPFv2;
2023 lnid.id.ip.addr = attr->standard.remote_addr;
2024 lnid.id.ip.area_id = attr->adv.id.ip.area_id;
2025 vertex = ls_find_vertex_by_id(ted, lnid);
2026
2027 /* Create Node & Vertex in the Link State Date Base if not found */
2028 if (!vertex) {
2029 const struct in_addr inaddr_any = {.s_addr = INADDR_ANY};
2030
2031 lnode = ls_node_new(lnid, inaddr_any, in6addr_any);
2032 snprintfrr(lnode->name, MAX_NAME_LENGTH, "%pI4",
2033 &lnid.id.ip.addr);
2034 vertex = ls_vertex_add(ted, lnode);
2035 }
16f1b9ee 2036
f173deb3
OD		 2037 /* Update Node information */
2038 lnode = vertex->node;
2039 if (CHECK_FLAG(lnode->flags, LS_NODE_TYPE)) {
2040 if (lnode->type != RMT_ASBR) {
2041 lnode->type = RMT_ASBR;
2042 if (vertex->status != NEW)
2043 vertex->status = UPDATE;
2044 }
2045 } else {
2046 lnode->type = RMT_ASBR;
2047 SET_FLAG(lnode->flags, LS_NODE_TYPE);
2048 if (vertex->status != NEW)
2049 vertex->status = UPDATE;
2050 }
2051 if (CHECK_FLAG(lnode->flags, LS_NODE_AS_NUMBER)) {
2052 if (lnode->as_number != attr->standard.remote_as) {
2053 lnode->as_number = attr->standard.remote_as;
2054 if (vertex->status != NEW)
2055 vertex->status = UPDATE;
2056 }
2057 } else {
2058 lnode->as_number = attr->standard.remote_as;
2059 SET_FLAG(lnode->flags, LS_NODE_AS_NUMBER);
2060 if (vertex->status != NEW)
2061 vertex->status = UPDATE;
2062 }
16f1b9ee 2063
f173deb3
OD		 2064 /* Export Link State Vertex if needed */
2065 if (vertex->status == NEW || vertex->status == UPDATE) {
2066 ote_debug(" |- %s Remote Vertex %pI4 for AS %u",
2067 vertex->status == NEW ? "Add" : "Update",
2068 &lnode->router_id, lnode->as_number);
2069 ospf_te_export(LS_MSG_TYPE_NODE, vertex);
2070 vertex->status = SYNC;
2071 }
16f1b9ee 2072
f173deb3
OD		 2073 /* Update corresponding Subnets */
2074 p.family = AF_INET;
936fbaef 2075 p.prefixlen = IPV4_MAX_BITLEN;
f173deb3
OD		 2076 p.u.prefix4 = attr->standard.local;
2077 ospf_te_update_subnet(ted, edge->source, p, attr->standard.te_metric);
2078
2079 p.family = AF_INET;
936fbaef 2080 p.prefixlen = IPV4_MAX_BITLEN;
f173deb3
OD		 2081 p.u.prefix4 = attr->standard.remote_addr;
2082 ospf_te_update_subnet(ted, vertex, p, attr->standard.te_metric);
2083
2084 /* Connect Edge to the remote Vertex */
2085 if (edge->destination == NULL) {
2086 edge->destination = vertex;
2087 listnode_add_sort_nodup(vertex->incoming_edges, edge);
2088 }
16f1b9ee 2089
f173deb3
OD		 2090 /* Finally set type to ASBR the node that advertised this Edge ... */
2091 vertex = edge->source;
2092 lnode = vertex->node;
2093 if (CHECK_FLAG(lnode->flags, LS_NODE_TYPE)) {
2094 if (lnode->type != ASBR) {
2095 lnode->type = ASBR;
2096 if (vertex->status != NEW)
2097 vertex->status = UPDATE;
2098 }
d62a17ae 2099 } else {
f173deb3
OD		 2100 lnode->type = ASBR;
2101 SET_FLAG(lnode->flags, LS_NODE_TYPE);
2102 if (vertex->status != NEW)
2103 vertex->status = UPDATE;
d62a17ae 2104 }
16f1b9ee 2105
f173deb3
OD		 2106 /* ... and Export it if needed */
2107 if (vertex->status == NEW || vertex->status == UPDATE) {
2108 ospf_te_export(LS_MSG_TYPE_NODE, vertex);
2109 vertex->status = SYNC;
2110 }
2111}
2112
2113/**
2114 * Parse Opaque Traffic Engineering LSA (Type 1) TLVs and create or update the
2115 * corresponding Link State Edge and Attributes. Vertex connections are also
2116 * updated if needed based on the remote IP address of the Edge and existing
2117 * reverse Edge.
2118 *
2119 * @param ted Link State Traffic Engineering Database
2120 * @param lsa OSPF Link State Advertisement
2121 *
2122 * @return 0 if success, -1 otherwise
2123 */
2124static int ospf_te_parse_te(struct ls_ted *ted, struct ospf_lsa *lsa)
2125{
2126 struct ls_edge *edge;
2127 struct ls_vertex *vertex;
2128 struct ls_attributes *old, attr = {};
2129 struct tlv_header *tlvh;
2130 void *value;
2131 uint16_t len, sum;
2132 uint8_t lsa_id;
2133
2134 /* Initialize Attribute */
2135 attr.adv.origin = OSPFv2;
2136 attr.adv.id.ip.addr = lsa->data->adv_router;
2137 if (lsa->data->type != OSPF_OPAQUE_AS_LSA)
2138 attr.adv.id.ip.area_id = lsa->area->area_id;
2139
2140 /* Initialize TLV browsing */
2141 tlvh = TLV_HDR_TOP(lsa->data);
8db278b5 2142 len = lsa->size - OSPF_LSA_HEADER_SIZE;
f173deb3 2143
8db278b5
OD		 2144 /* Check if TE Router-ID TLV is present */
2145 if (ntohs(tlvh->type) == TE_TLV_ROUTER_ADDR) {
2146 /* if TE Router-ID is alone, we are done ... */
2147 if (len == TE_LINK_SUBTLV_DEF_SIZE)
2148 return 0;
23508fff 2149
8db278b5
OD		 2150 /* ... otherwise, skip it */
2151 len -= TE_LINK_SUBTLV_DEF_SIZE + TLV_HDR_SIZE;
f173deb3 2152 tlvh = TLV_HDR_NEXT(tlvh);
8db278b5 2153 }
f173deb3 2154
8db278b5 2155 /* Check if we have a valid TE Link TLV */
f173deb3
OD		 2156 if ((len == 0) || (ntohs(tlvh->type) != TE_TLV_LINK))
2157 return 0;
2158
e3db39db 2159 sum = sizeof(struct tlv_header);
f173deb3
OD		 2160 /* Browse sub-TLV and fulfill Link State Attributes */
2161 for (tlvh = TLV_DATA(tlvh); sum < len; tlvh = TLV_HDR_NEXT(tlvh)) {
2162 uint32_t val32, tab32[2];
2163 float valf, tabf[8];
2164 struct in_addr addr;
2165
2166 value = TLV_DATA(tlvh);
2167 switch (ntohs(tlvh->type)) {
2168 case TE_LINK_SUBTLV_LCLIF_IPADDR:
2169 memcpy(&addr, value, TE_LINK_SUBTLV_DEF_SIZE);
2170 attr.standard.local = addr;
2171 SET_FLAG(attr.flags, LS_ATTR_LOCAL_ADDR);
2172 break;
2173 case TE_LINK_SUBTLV_RMTIF_IPADDR:
2174 memcpy(&addr, value, TE_LINK_SUBTLV_DEF_SIZE);
2175 attr.standard.remote = addr;
2176 SET_FLAG(attr.flags, LS_ATTR_NEIGH_ADDR);
2177 break;
2178 case TE_LINK_SUBTLV_TE_METRIC:
2179 memcpy(&val32, value, TE_LINK_SUBTLV_DEF_SIZE);
2180 attr.standard.te_metric = ntohl(val32);
2181 SET_FLAG(attr.flags, LS_ATTR_TE_METRIC);
2182 break;
2183 case TE_LINK_SUBTLV_MAX_BW:
2184 memcpy(&valf, value, TE_LINK_SUBTLV_DEF_SIZE);
2185 attr.standard.max_bw = ntohf(valf);
2186 SET_FLAG(attr.flags, LS_ATTR_MAX_BW);
2187 break;
2188 case TE_LINK_SUBTLV_MAX_RSV_BW:
2189 memcpy(&valf, value, TE_LINK_SUBTLV_DEF_SIZE);
2190 attr.standard.max_rsv_bw = ntohf(valf);
2191 SET_FLAG(attr.flags, LS_ATTR_MAX_RSV_BW);
2192 break;
2193 case TE_LINK_SUBTLV_UNRSV_BW:
2194 memcpy(tabf, value, TE_LINK_SUBTLV_UNRSV_SIZE);
2195 for (int i = 0; i < MAX_CLASS_TYPE; i++)
2196 attr.standard.unrsv_bw[i] = ntohf(tabf[i]);
2197 SET_FLAG(attr.flags, LS_ATTR_UNRSV_BW);
2198 break;
2199 case TE_LINK_SUBTLV_RSC_CLSCLR:
2200 memcpy(&val32, value, TE_LINK_SUBTLV_DEF_SIZE);
2201 attr.standard.admin_group = ntohl(val32);
2202 SET_FLAG(attr.flags, LS_ATTR_ADM_GRP);
2203 break;
2204 case TE_LINK_SUBTLV_LLRI:
2205 memcpy(tab32, value, TE_LINK_SUBTLV_LLRI_SIZE);
2206 attr.standard.local_id = ntohl(tab32[0]);
2207 attr.standard.remote_id = ntohl(tab32[1]);
2208 SET_FLAG(attr.flags, LS_ATTR_LOCAL_ID);
2209 SET_FLAG(attr.flags, LS_ATTR_NEIGH_ID);
2210 break;
2211 case TE_LINK_SUBTLV_RIP:
2212 memcpy(&addr, value, TE_LINK_SUBTLV_DEF_SIZE);
2213 attr.standard.remote_addr = addr;
2214 SET_FLAG(attr.flags, LS_ATTR_REMOTE_ADDR);
2215 break;
2216 case TE_LINK_SUBTLV_RAS:
2217 memcpy(&val32, value, TE_LINK_SUBTLV_DEF_SIZE);
2218 attr.standard.remote_as = ntohl(val32);
2219 SET_FLAG(attr.flags, LS_ATTR_REMOTE_AS);
2220 break;
2221 case TE_LINK_SUBTLV_AV_DELAY:
2222 memcpy(&val32, value, TE_LINK_SUBTLV_DEF_SIZE);
2223 attr.extended.delay = ntohl(val32);
2224 SET_FLAG(attr.flags, LS_ATTR_DELAY);
2225 break;
2226 case TE_LINK_SUBTLV_MM_DELAY:
2227 memcpy(tab32, value, TE_LINK_SUBTLV_MM_DELAY_SIZE);
2228 attr.extended.min_delay = ntohl(tab32[0]);
2229 attr.extended.max_delay = ntohl(tab32[1]);
2230 SET_FLAG(attr.flags, LS_ATTR_MIN_MAX_DELAY);
2231 break;
2232 case TE_LINK_SUBTLV_DELAY_VAR:
2233 memcpy(&val32, value, TE_LINK_SUBTLV_DEF_SIZE);
2234 attr.extended.jitter = ntohl(val32);
2235 SET_FLAG(attr.flags, LS_ATTR_JITTER);
2236 break;
2237 case TE_LINK_SUBTLV_PKT_LOSS:
2238 memcpy(&val32, value, TE_LINK_SUBTLV_DEF_SIZE);
2239 attr.extended.pkt_loss = ntohl(val32);
2240 SET_FLAG(attr.flags, LS_ATTR_PACKET_LOSS);
2241 break;
2242 case TE_LINK_SUBTLV_RES_BW:
2243 memcpy(&valf, value, TE_LINK_SUBTLV_DEF_SIZE);
2244 attr.extended.rsv_bw = ntohf(valf);
2245 SET_FLAG(attr.flags, LS_ATTR_RSV_BW);
2246 break;
2247 case TE_LINK_SUBTLV_AVA_BW:
2248 memcpy(&valf, value, TE_LINK_SUBTLV_DEF_SIZE);
2249 attr.extended.ava_bw = ntohf(valf);
2250 SET_FLAG(attr.flags, LS_ATTR_AVA_BW);
2251 break;
2252 case TE_LINK_SUBTLV_USE_BW:
2253 memcpy(&valf, value, TE_LINK_SUBTLV_DEF_SIZE);
2254 attr.extended.used_bw = ntohf(valf);
2255 SET_FLAG(attr.flags, LS_ATTR_USE_BW);
2256 break;
2257 default:
2258 break;
2259 }
2260 sum += TLV_SIZE(tlvh);
2261 }
2262
2263 /* Get corresponding Edge from Link State Data Base */
2264 edge = get_edge(ted, attr.adv, attr.standard.local);
2265 old = edge->attributes;
2266
2267 ote_debug(" |- Process Traffic Engineering LSA %pI4 for Edge %pI4",
2268 &lsa->data->id, &attr.standard.local);
2269
2270 /* Update standard fields */
2271 len = sizeof(struct ls_standard);
2272 if ((attr.flags & 0x0FFFF) == (old->flags & 0x0FFFF)) {
2273 if (memcmp(&attr.standard, &old->standard, len) != 0) {
2274 memcpy(&old->standard, &attr.standard, len);
2275 if (edge->status != NEW)
2276 edge->status = UPDATE;
2277 }
2278 } else {
2279 memcpy(&old->standard, &attr.standard, len);
2280 old->flags |= attr.flags & 0x0FFFF;
2281 if (edge->status != NEW)
2282 edge->status = UPDATE;
2283 }
2284 /* Update extended fields */
2285 len = sizeof(struct ls_extended);
2286 if ((attr.flags & 0x0FF0000) == (old->flags & 0x0FF0000)) {
2287 if (memcmp(&attr.extended, &old->extended, len) != 0) {
2288 memcpy(&old->extended, &attr.extended, len);
2289 if (edge->status != NEW)
2290 edge->status = UPDATE;
2291 }
2292 } else {
2293 memcpy(&old->extended, &attr.extended, len);
2294 old->flags |= attr.flags & 0x0FF0000;
2295 if (edge->status != NEW)
2296 edge->status = UPDATE;
2297 }
2298
2299 /* If LSA is an Opaque Inter-AS, Add Node and Subnet */
2300 lsa_id = GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr));
2301 if (lsa_id == OPAQUE_TYPE_INTER_AS_LSA)
2302 ospf_te_update_remote_asbr(ted, edge);
2303
2304 /* Update remote Link if remote IP addr is known */
2305 if (CHECK_FLAG(old->flags, LS_ATTR_NEIGH_ADDR)) {
2306 struct ls_edge *dst;
2307
2308 dst = ls_find_edge_by_destination(ted, old);
2309 /* Attach remote link if not set */
2310 if (dst && edge->source && dst->destination == NULL) {
2311 vertex = edge->source;
2312 if (vertex->incoming_edges)
2313 listnode_add_sort_nodup(vertex->incoming_edges,
2314 dst);
2315 dst->destination = vertex;
2316 }
2317 /* and destination vertex to this edge */
2318 if (dst && dst->source && edge->destination == NULL) {
2319 vertex = dst->source;
2320 if (vertex->incoming_edges)
2321 listnode_add_sort_nodup(vertex->incoming_edges,
2322 edge);
2323 edge->destination = vertex;
2324 }
2325 }
2326
2327 /* Export Link State Edge if needed */
2328 if (edge->status == NEW || edge->status == UPDATE) {
2329 ote_debug(" |- %s TE info. for Edge %pI4",
2330 edge->status == NEW ? "Add" : "Update",
2331 &edge->attributes->standard.local);
2332
2333 ospf_te_export(LS_MSG_TYPE_ATTRIBUTES, edge);
2334 edge->status = SYNC;
2335 }
2336
2337 return 0;
2338}
2339
2340/**
2341 * Delete Link State Attributes information that correspond to the Opaque
2342 * Traffic Engineering LSA (Type 1) TLVs. Note that the Edge is not removed.
2343 *
2344 * @param ted Link State Traffic Engineering Database
2345 * @param lsa OSPF Link State Advertisement
2346 *
2347 * @return 0 if success, -1 otherwise
2348 */
2349static int ospf_te_delete_te(struct ls_ted *ted, struct ospf_lsa *lsa)
2350{
2351 struct ls_edge *edge;
2352 struct ls_attributes *attr;
2353 struct tlv_header *tlvh;
2354 struct in_addr addr;
2355 uint64_t key = 0;
2356 uint16_t len, sum;
2357 uint8_t lsa_id;
2358
2359 /* Initialize TLV browsing */
2360 tlvh = TLV_HDR_TOP(lsa->data);
2361 /* Skip Router TE ID if present */
2362 if (ntohs(tlvh->type) == TE_TLV_ROUTER_ADDR)
2363 tlvh = TLV_HDR_NEXT(tlvh);
2364 len = TLV_BODY_SIZE(tlvh);
e3db39db 2365 sum = sizeof(struct tlv_header);
f173deb3
OD		 2366
2367 /* Browse sub-TLV to find Link ID */
2368 for (tlvh = TLV_DATA(tlvh); sum < len; tlvh = TLV_HDR_NEXT(tlvh)) {
2369 if (ntohs(tlvh->type) == TE_LINK_SUBTLV_LCLIF_IPADDR) {
2370 memcpy(&addr, TLV_DATA(tlvh), TE_LINK_SUBTLV_DEF_SIZE);
2371 key = ((uint64_t)ntohl(addr.s_addr)) & 0xffffffff;
2372 break;
2373 }
2374 sum += TLV_SIZE(tlvh);
2375 }
2376 if (key == 0)
2377 return 0;
2378
2379 /* Search Edge that corresponds to the Link ID */
2380 edge = ls_find_edge_by_key(ted, key);
2381 if (!edge || !edge->attributes)
2382 return 0;
2383 attr = edge->attributes;
2384
2385 /* First, remove Remote ASBR and associated Edge & Subnet if any */
2386 lsa_id = GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr));
2387 if (lsa_id == OPAQUE_TYPE_INTER_AS_LSA) {
2388 ote_debug(" |- Delete remote ASBR, Edge and Subnet");
2389
2390 if (edge->destination) {
2391 edge->destination->status = DELETE;
2392 ospf_te_export(LS_MSG_TYPE_NODE, edge->destination);
2393 ls_vertex_del_all(ted, edge->destination);
2394 }
2395
2396 ospf_te_delete_subnet(ted, attr->standard.local);
2397
2398 edge->status = DELETE;
2399 ospf_te_export(LS_MSG_TYPE_ATTRIBUTES, edge);
2400 ls_edge_del_all(ted, edge);
2401
2402 return 0;
2403 }
2404
2405 ote_debug(" |- Delete TE info. for Edge %pI4",
2406 &edge->attributes->standard.local);
2407
2408 /* Remove Link State Attributes TE information */
2409 memset(&attr->standard, 0, sizeof(struct ls_standard));
2410 attr->flags &= 0x0FFFF;
2411 memset(&attr->extended, 0, sizeof(struct ls_extended));
2412 attr->flags &= 0x0FF0000;
2413 ls_attributes_srlg_del(attr);
2414
2415 /* Export Edge that has been updated */
2416 if (CHECK_FLAG(attr->flags, LS_ATTR_ADJ_SID)
2417 || CHECK_FLAG(attr->flags, LS_ATTR_BCK_ADJ_SID)) {
2418 edge->status = UPDATE;
2419 ospf_te_export(LS_MSG_TYPE_ATTRIBUTES, edge);
2420 edge->status = SYNC;
2421 } else {
2422 /* Remove completely the Edge if Segment Routing is not set */
2423 ospf_te_delete_subnet(ted, attr->standard.local);
2424 edge->status = DELETE;
2425 ospf_te_export(LS_MSG_TYPE_ATTRIBUTES, edge);
2426 ls_edge_del_all(ted, edge);
2427 }
2428
2429 return 0;
2430}
2431
2432/**
2433 * Parse Opaque Router Information LSA (Type 4) TLVs and update the
2434 * corresponding Link State Vertex with these information (Segment Routing).
2435 *
2436 * @param ted Link State Traffic Engineering Database
2437 * @param lsa OSPF Link State Advertisement
2438 *
2439 * @return 0 if success, -1 otherwise
2440 */
2441static int ospf_te_parse_ri(struct ls_ted *ted, struct ospf_lsa *lsa)
2442{
2443 struct ls_vertex *vertex;
2444 struct ls_node *node;
2445 struct lsa_header *lsah = lsa->data;
2446 struct tlv_header *tlvh;
2447 uint16_t len = 0, sum = 0;
2448
2449 /* Get vertex / Node from LSA Advertised Router ID */
2450 vertex = get_vertex(ted, lsa);
2451 node = vertex->node;
2452
2453 ote_debug(" |- Process Router Information LSA %pI4 for Vertex %pI4",
2454 &lsa->data->id, &node->router_id);
2455
2456 /* Initialize TLV browsing */
8db278b5
OD		 2457 len = lsa->size - OSPF_LSA_HEADER_SIZE;
2458 for (tlvh = TLV_HDR_TOP(lsah); sum < len && tlvh;
2459 tlvh = TLV_HDR_NEXT(tlvh)) {
f173deb3
OD		 2460 struct ri_sr_tlv_sr_algorithm *algo;
2461 struct ri_sr_tlv_sid_label_range *range;
2462 struct ri_sr_tlv_node_msd *msd;
2463 uint32_t size, lower;
2464
2465 switch (ntohs(tlvh->type)) {
2466 case RI_SR_TLV_SR_ALGORITHM:
2467 algo = (struct ri_sr_tlv_sr_algorithm *)tlvh;
2468
2469 for (int i = 0; i < ntohs(algo->header.length); i++) {
2470 if (CHECK_FLAG(node->flags, LS_NODE_SR)
2471 && (node->algo[i] == algo->value[i]))
2472 continue;
2473
2474 node->algo[i] = algo->value[i];
2475 SET_FLAG(node->flags, LS_NODE_SR);
2476 if (vertex->status != NEW)
2477 vertex->status = UPDATE;
2478 }
2479
2480 /* Reset other Algorithms */
2481 for (int i = ntohs(algo->header.length); i < 2; i++) {
2482 if (vertex->status != NEW
2483 && node->algo[i] != SR_ALGORITHM_UNSET)
2484 vertex->status = UPDATE;
2485 node->algo[i] = SR_ALGORITHM_UNSET;
2486 }
2487
2488 break;
2489
2490 case RI_SR_TLV_SRGB_LABEL_RANGE:
2491 range = (struct ri_sr_tlv_sid_label_range *)tlvh;
2492 size = GET_RANGE_SIZE(ntohl(range->size));
2493 lower = GET_LABEL(ntohl(range->lower.value));
2494 if ((CHECK_FLAG(node->flags, LS_NODE_SR))
2495 && ((node->srgb.range_size == size)
2496 && (node->srgb.lower_bound == lower)))
2497 break;
2498
2499 node->srgb.range_size = size;
2500 node->srgb.lower_bound = lower;
2501 SET_FLAG(node->flags, LS_NODE_SR);
2502 if (vertex->status != NEW)
2503 vertex->status = UPDATE;
2504
2505 break;
2506
2507 case RI_SR_TLV_SRLB_LABEL_RANGE:
2508 range = (struct ri_sr_tlv_sid_label_range *)tlvh;
2509 size = GET_RANGE_SIZE(ntohl(range->size));
2510 lower = GET_LABEL(ntohl(range->lower.value));
2511 if ((CHECK_FLAG(node->flags, LS_NODE_SRLB))
2512 && ((node->srlb.range_size == size)
2513 && (node->srlb.lower_bound == lower)))
2514 break;
2515
2516 node->srlb.range_size = size;
2517 node->srlb.lower_bound = lower;
2518 SET_FLAG(node->flags, LS_NODE_SRLB);
2519 if (vertex->status != NEW)
2520 vertex->status = UPDATE;
2521
2522 break;
2523
2524 case RI_SR_TLV_NODE_MSD:
2525 msd = (struct ri_sr_tlv_node_msd *)tlvh;
2526 if ((CHECK_FLAG(node->flags, LS_NODE_MSD))
2527 && (node->msd == msd->value))
2528 break;
2529
2530 node->msd = msd->value;
2531 SET_FLAG(node->flags, LS_NODE_MSD);
2532 if (vertex->status != NEW)
2533 vertex->status = UPDATE;
2534
2535 break;
2536
2537 default:
2538 break;
2539 }
2540 sum += TLV_SIZE(tlvh);
2541 }
2542
2543 /* Vertex has been created or updated: export it */
2544 if (vertex->status == NEW || vertex->status == UPDATE) {
2545 ote_debug(" |- %s SR info - SRGB[%d/%d] for Vertex %pI4",
2546 vertex->status == NEW ? "Add" : "Update",
2547 vertex->node->srgb.lower_bound,
2548 vertex->node->srgb.range_size,
2549 &vertex->node->router_id);
2550
2551 ospf_te_export(LS_MSG_TYPE_NODE, vertex);
2552 vertex->status = SYNC;
2553 }
2554
2555 return 0;
2556}
2557
2558/**
2559 * Delete Link State Node information (Segment Routing) that correspond to the
2560 * Opaque Router Information LSA (Type 4) TLVs. Note that the Vertex is not
2561 * removed.
2562 *
2563 * @param ted Link State Traffic Engineering Database
2564 * @param lsa OSPF Link State Advertisement
2565 *
2566 * @return 0 if success, -1 otherwise
2567 */
2568static int ospf_te_delete_ri(struct ls_ted *ted, struct ospf_lsa *lsa)
2569{
2570 struct ls_node_id lnid;
2571 struct ls_vertex *vertex;
2572 struct ls_node *node;
2573
2574 /* Search if a Link State Vertex already exist */
2575 lnid.origin = OSPFv2;
2576 lnid.id.ip.addr = lsa->data->adv_router;
2577 lnid.id.ip.area_id = lsa->area->area_id;
2578 vertex = ls_find_vertex_by_id(ted, lnid);
2579 if (!vertex)
2580 return -1;
2581
2582 /* Remove Segment Routing Information if any */
2583 node = vertex->node;
2584 UNSET_FLAG(node->flags, LS_NODE_SR);
2585 memset(&node->srgb, 0, sizeof(struct ls_srgb));
2586 node->algo[0] = SR_ALGORITHM_UNSET;
2587 node->algo[1] = SR_ALGORITHM_UNSET;
2588 UNSET_FLAG(node->flags, LS_NODE_SRLB);
2589 memset(&node->srlb, 0, sizeof(struct ls_srlb));
2590 UNSET_FLAG(node->flags, LS_NODE_MSD);
2591 node->msd = 0;
2592 vertex->status = UPDATE;
2593
2594 ote_debug(" |- Delete SR info. for Vertex %pI4",
2595 &vertex->node->router_id);
2596
2597 /* Vertex has been updated: export it */
2598 ospf_te_export(LS_MSG_TYPE_NODE, vertex);
2599 vertex->status = SYNC;
2600
2601 return 0;
2602}
2603
2604/**
2605 * Parse Opaque Extended Prefix LSA (Type 7) TLVs and update the corresponding
2606 * Link State Subnet with these information (Segment Routing ID).
2607 *
2608 * @param ted Link State Traffic Engineering Database
2609 * @param lsa OSPF Link State Advertisement
2610 *
2611 * @return 0 if success, -1 otherwise
2612 */
2613static int ospf_te_parse_ext_pref(struct ls_ted *ted, struct ospf_lsa *lsa)
2614{
2615 struct ls_node_id lnid;
2616 struct ls_subnet *subnet;
2617 struct ls_prefix *ls_pref;
2618 struct prefix pref;
2619 struct ext_tlv_prefix *ext;
2620 struct ext_subtlv_prefix_sid *pref_sid;
2621 uint32_t label;
2622
2623 /* Get corresponding Subnet from Link State Data Base */
2624 ext = (struct ext_tlv_prefix *)TLV_HDR_TOP(lsa->data);
2625 pref.family = AF_INET;
2626 pref.prefixlen = ext->pref_length;
2627 pref.u.prefix4 = ext->address;
2628 subnet = ls_find_subnet(ted, pref);
2629
2630 /* Create new Link State Prefix if not found */
2631 if (!subnet) {
2632 lnid.origin = OSPFv2;
2633 lnid.id.ip.addr = lsa->data->adv_router;
2634 lnid.id.ip.area_id = lsa->area->area_id;
2635 ls_pref = ls_prefix_new(lnid, pref);
2636 /* and add it to the TED */
2637 subnet = ls_subnet_add(ted, ls_pref);
2638 }
2639
2640 ote_debug(" |- Process Extended Prefix LSA %pI4 for subnet %pFX",
2641 &lsa->data->id, &pref);
2642
2643 /* Initialize TLV browsing */
2644 ls_pref = subnet->ls_pref;
2645 pref_sid = (struct ext_subtlv_prefix_sid *)((char *)(ext) + TLV_HDR_SIZE
2646 + EXT_TLV_PREFIX_SIZE);
2647 label = CHECK_FLAG(pref_sid->flags, EXT_SUBTLV_PREFIX_SID_VFLG)
2648 ? GET_LABEL(ntohl(pref_sid->value))
2649 : ntohl(pref_sid->value);
2650
2651 /* Check if it is a simple refresh */
2652 if (CHECK_FLAG(ls_pref->flags, LS_PREF_SR)
2653 && ls_pref->sr.algo == pref_sid->algorithm
2654 && ls_pref->sr.sid_flag == pref_sid->flags
2655 && ls_pref->sr.sid == label)
2656 return 0;
2657
2658 /* Fulfill SR information */
2659 ls_pref->sr.algo = pref_sid->algorithm;
2660 ls_pref->sr.sid_flag = pref_sid->flags;
2661 ls_pref->sr.sid = label;
2662 SET_FLAG(ls_pref->flags, LS_PREF_SR);
2663 if (subnet->status != NEW)
2664 subnet->status = UPDATE;
2665
2666 /* Export Subnet if needed */
2667 if (subnet->status == NEW || subnet->status == UPDATE) {
2668 ote_debug(" |- %s SID %d to subnet %pFX",
2669 subnet->status == NEW ? "Add" : "Update",
2670 ls_pref->sr.sid, &ls_pref->pref);
2671
2672 ospf_te_export(LS_MSG_TYPE_PREFIX, subnet);
2673 subnet->status = SYNC;
2674 }
2675
2676 return 0;
2677}
2678
2679/**
2680 * Delete Link State Subnet information (Segment Routing ID) that correspond to
2681 * the Opaque Extended Prefix LSA (Type 7) TLVs. Note that the Subnet is not
2682 * removed.
2683 *
2684 * @param ted Link State Traffic Engineering Database
2685 * @param lsa OSPF Link State Advertisement
2686 *
2687 * @return 0 if success, -1 otherwise
2688 */
2689static int ospf_te_delete_ext_pref(struct ls_ted *ted, struct ospf_lsa *lsa)
2690{
2691 struct ls_subnet *subnet;
2692 struct ls_prefix *ls_pref;
2693 struct prefix pref;
2694 struct ext_tlv_prefix *ext;
2695
2696 /* Get corresponding Subnet from Link State Data Base */
2697 ext = (struct ext_tlv_prefix *)TLV_HDR_TOP(lsa->data);
2698 pref.family = AF_INET;
2699 pref.prefixlen = ext->pref_length;
2700 pref.u.prefix4 = ext->address;
2701 subnet = ls_find_subnet(ted, pref);
2702
2703 /* Check if there is a corresponding subnet */
2704 if (!subnet)
2705 return -1;
2706
2707 ote_debug(" |- Delete SID %d to subnet %pFX", subnet->ls_pref->sr.sid,
2708 &subnet->ls_pref->pref);
2709
2710 /* Remove Segment Routing information */
2711 ls_pref = subnet->ls_pref;
2712 UNSET_FLAG(ls_pref->flags, LS_PREF_SR);
2713 memset(&ls_pref->sr, 0, sizeof(struct ls_sid));
2714 subnet->status = UPDATE;
2715
2716 /* Subnet has been updated: export it */
2717 ospf_te_export(LS_MSG_TYPE_PREFIX, subnet);
2718 subnet->status = SYNC;
2719
2720 return 0;
2721}
2722
2723/**
2724 * Parse Opaque Extended Link LSA (Type 8) TLVs and update the corresponding
2725 * Link State Edge with these information (Segment Routing Adjacency).
2726 *
2727 * @param ted Link State Traffic Engineering Database
2728 * @param lsa OSPF Link State Advertisement
2729 *
2730 * @return 0 if success, -1 otherwise
2731 */
2732static int ospf_te_parse_ext_link(struct ls_ted *ted, struct ospf_lsa *lsa)
2733{
2734 struct ls_node_id lnid;
2735 struct tlv_header *tlvh;
2736 struct ext_tlv_link *ext;
2737 struct ls_edge *edge;
2738 struct ls_attributes *atr;
2739 uint16_t len = 0, sum = 0, i;
2740 uint32_t label;
2741
2742 /* Get corresponding Edge from Link State Data Base */
2743 lnid.origin = OSPFv2;
2744 lnid.id.ip.addr = lsa->data->adv_router;
2745 lnid.id.ip.area_id = lsa->area->area_id;
2746 ext = (struct ext_tlv_link *)TLV_HDR_TOP(lsa->data);
2747 edge = get_edge(ted, lnid, ext->link_data);
2748 atr = edge->attributes;
2749
2750 ote_debug(" |- Process Extended Link LSA %pI4 for edge %pI4",
2751 &lsa->data->id, &edge->attributes->standard.local);
2752
2753 /* Initialize TLV browsing */
23508fff 2754 len = TLV_BODY_SIZE(&ext->header) - EXT_TLV_LINK_SIZE;
f173deb3
OD		 2755 tlvh = (struct tlv_header *)((char *)(ext) + TLV_HDR_SIZE
2756 + EXT_TLV_LINK_SIZE);
2757 for (; sum < len; tlvh = TLV_HDR_NEXT(tlvh)) {
2758 struct ext_subtlv_adj_sid *adj;
2759 struct ext_subtlv_lan_adj_sid *ladj;
2760 struct ext_subtlv_rmt_itf_addr *rmt;
2761
2762 switch (ntohs(tlvh->type)) {
2763 case EXT_SUBTLV_ADJ_SID:
2764 adj = (struct ext_subtlv_adj_sid *)tlvh;
2765 label = CHECK_FLAG(adj->flags,
2766 EXT_SUBTLV_LINK_ADJ_SID_VFLG)
2767 ? GET_LABEL(ntohl(adj->value))
2768 : ntohl(adj->value);
2769 i = CHECK_FLAG(adj->flags,
2770 EXT_SUBTLV_LINK_ADJ_SID_BFLG) ? 1 : 0;
2771 if (((i && CHECK_FLAG(atr->flags, LS_ATTR_BCK_ADJ_SID))
2772 || (!i && CHECK_FLAG(atr->flags, LS_ATTR_ADJ_SID)))
2773 && atr->adj_sid[i].flags == adj->flags
2774 && atr->adj_sid[i].sid == label
2775 && atr->adj_sid[i].weight == adj->weight)
2776 break;
2777
2778 atr->adj_sid[i].flags = adj->flags;
2779 atr->adj_sid[i].sid = label;
2780 atr->adj_sid[i].weight = adj->weight;
2781 if (i == 0)
2782 SET_FLAG(atr->flags, LS_ATTR_ADJ_SID);
2783 else
2784 SET_FLAG(atr->flags, LS_ATTR_BCK_ADJ_SID);
2785 if (edge->status != NEW)
2786 edge->status = UPDATE;
2787
2788 break;
2789 case EXT_SUBTLV_LAN_ADJ_SID:
2790 ladj = (struct ext_subtlv_lan_adj_sid *)tlvh;
2791 label = CHECK_FLAG(ladj->flags,
2792 EXT_SUBTLV_LINK_ADJ_SID_VFLG)
2793 ? GET_LABEL(ntohl(ladj->value))
2794 : ntohl(ladj->value);
2795 i = CHECK_FLAG(ladj->flags,
2796 EXT_SUBTLV_LINK_ADJ_SID_BFLG) ? 1 : 0;
2797 if (((i && CHECK_FLAG(atr->flags, LS_ATTR_BCK_ADJ_SID))
2798 || (!i && CHECK_FLAG(atr->flags, LS_ATTR_ADJ_SID)))
2799 && atr->adj_sid[i].flags == ladj->flags
2800 && atr->adj_sid[i].sid == label
2801 && atr->adj_sid[i].weight == ladj->weight
2802 && IPV4_ADDR_SAME(&atr->adj_sid[1].neighbor.addr,
2803 &ladj->neighbor_id))
2804 break;
2805
2806 atr->adj_sid[i].flags = ladj->flags;
2807 atr->adj_sid[i].sid = label;
2808 atr->adj_sid[i].weight = ladj->weight;
2809 atr->adj_sid[i].neighbor.addr = ladj->neighbor_id;
2810 if (i == 0)
2811 SET_FLAG(atr->flags, LS_ATTR_ADJ_SID);
2812 else
2813 SET_FLAG(atr->flags, LS_ATTR_BCK_ADJ_SID);
2814 if (edge->status != NEW)
2815 edge->status = UPDATE;
2816
2817 break;
2818 case EXT_SUBTLV_RMT_ITF_ADDR:
2819 rmt = (struct ext_subtlv_rmt_itf_addr *)tlvh;
2820 if (CHECK_FLAG(atr->flags, LS_ATTR_NEIGH_ADDR)
2821 && IPV4_ADDR_SAME(&atr->standard.remote,
2822 &rmt->value))
2823 break;
2824
2825 atr->standard.remote = rmt->value;
2826 SET_FLAG(atr->flags, LS_ATTR_NEIGH_ADDR);
2827 if (edge->status != NEW)
2828 edge->status = UPDATE;
2829
2830 break;
2831 default:
2832 break;
2833 }
2834 sum += TLV_SIZE(tlvh);
2835 }
2836
2837 /* Export Link State Edge if needed */
2838 if (edge->status == NEW || edge->status == UPDATE) {
2839 ote_debug(" |- %s Adj-SID %d & %d to edge %pI4",
2840 edge->status == NEW ? "Add" : "Update",
2841 edge->attributes->adj_sid[0].sid,
2842 edge->attributes->adj_sid[1].sid,
2843 &edge->attributes->standard.local);
2844
2845 ospf_te_export(LS_MSG_TYPE_ATTRIBUTES, edge);
2846 edge->status = SYNC;
2847 }
2848
2849 return 0;
2850}
2851
2852/**
2853 * Delete Link State Edge information (Segment Routing Adjacency) that
2854 * correspond to the Opaque Extended Link LSA (Type 8) TLVs. Note that the Edge
2855 * is not removed.
2856 *
2857 * @param ted Link State Traffic Engineering Database
2858 * @param lsa OSPF Link State Advertisement
2859 *
2860 * @return 0 if success, -1 otherwise
2861 */
2862static int ospf_te_delete_ext_link(struct ls_ted *ted, struct ospf_lsa *lsa)
2863{
2864 struct ls_edge *edge;
2865 struct ls_attributes *atr;
2866 struct ext_tlv_link *ext;
2867 uint64_t key;
2868
2869 /* Search for corresponding Edge from Link State Data Base */
2870 ext = (struct ext_tlv_link *)TLV_HDR_TOP(lsa->data);
2871 key = ((uint64_t)ntohl(ext->link_data.s_addr)) & 0xffffffff;
2872 edge = ls_find_edge_by_key(ted, key);
2873
2874 /* Check if there is a corresponding Edge */
2875 if (!edge)
2876 return -1;
2877
2878 ote_debug(" |- Delete Adj-SID %d to edge %pI4",
2879 edge->attributes->adj_sid[0].sid,
2880 &edge->attributes->standard.local);
2881
2882 /* Remove Segment Routing information */
2883 atr = edge->attributes;
2884 UNSET_FLAG(atr->flags, LS_ATTR_ADJ_SID);
2885 UNSET_FLAG(atr->flags, LS_ATTR_BCK_ADJ_SID);
2886 memset(atr->adj_sid, 0, 2 * sizeof(struct ls_sid));
2887 edge->status = UPDATE;
2888
2889 /* Edge has been updated: export it */
2890 ospf_te_export(LS_MSG_TYPE_ATTRIBUTES, edge);
2891 edge->status = SYNC;
2892
2893 return 0;
2894}
2895
2896/**
2897 * Parse Opaque LSA Type and call corresponding parser.
2898 *
2899 * @param ted Link State Traffic Engineering Database
2900 * @param lsa OSPF Link State Advertisement
2901 *
2902 * @return 0 if success, -1 otherwise
2903 */
2904static int ospf_te_parse_opaque_lsa(struct ls_ted *ted, struct ospf_lsa *lsa)
2905{
2906 uint8_t key = GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr));
2907 int rc = -1;
2908
2909 ote_debug("MPLS-TE (%s): Parse Opaque LSA[%pI4] from Router[%pI4]",
2910 __func__, &lsa->data->id, &lsa->data->adv_router);
2911
2912 switch (key) {
2913 case OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA:
2914 case OPAQUE_TYPE_INTER_AS_LSA:
2915 rc = ospf_te_parse_te(ted, lsa);
2916 break;
2917 case OPAQUE_TYPE_ROUTER_INFORMATION_LSA:
2918 rc = ospf_te_parse_ri(ted, lsa);
2919 break;
2920 case OPAQUE_TYPE_EXTENDED_PREFIX_LSA:
2921 rc = ospf_te_parse_ext_pref(ted, lsa);
2922 break;
2923 case OPAQUE_TYPE_EXTENDED_LINK_LSA:
2924 rc = ospf_te_parse_ext_link(ted, lsa);
2925 break;
2926 default:
2927 break;
2928 }
2929
2930 return rc;
2931}
2932
2933/**
2934 * Parse Opaque LSA Type and call corresponding deletion function.
2935 *
2936 * @param ted Link State Traffic Engineering Database
2937 * @param lsa OSPF Link State Advertisement
2938 *
2939 * @return 0 if success, -1 otherwise
2940 */
2941static int ospf_te_delete_opaque_lsa(struct ls_ted *ted, struct ospf_lsa *lsa)
2942{
2943 uint8_t key = GET_OPAQUE_TYPE(ntohl(lsa->data->id.s_addr));
2944 int rc = -1;
2945
2946 ote_debug("MPLS-TE (%s): Parse Opaque LSA[%pI4] from Router[%pI4]",
2947 __func__, &lsa->data->id, &lsa->data->adv_router);
2948
2949 switch (key) {
2950 case OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA:
2951 case OPAQUE_TYPE_INTER_AS_LSA:
2952 rc = ospf_te_delete_te(ted, lsa);
2953 break;
2954 case OPAQUE_TYPE_ROUTER_INFORMATION_LSA:
2955 rc = ospf_te_delete_ri(ted, lsa);
2956 break;
2957 case OPAQUE_TYPE_EXTENDED_PREFIX_LSA:
2958 rc = ospf_te_delete_ext_pref(ted, lsa);
2959 break;
2960 case OPAQUE_TYPE_EXTENDED_LINK_LSA:
2961 rc = ospf_te_delete_ext_link(ted, lsa);
2962 break;
2963 default:
2964 break;
2965 }
2966
2967 return rc;
2968}
2969
2970/**
2971 * Update Traffic Engineering Database Elements that correspond to the received
2972 * OSPF LSA. If LSA age is equal to MAX_AGE, call deletion function instead.
2973 *
2974 * @param lsa OSPF Link State Advertisement
2975 *
2976 * @return 0 if success, -1 otherwise
2977 */
2978static int ospf_mpls_te_lsa_update(struct ospf_lsa *lsa)
2979{
2980
2981 uint8_t rc;
2982
2983 /* Check that MPLS-TE is active */
2984 if (!OspfMplsTE.enabled || !OspfMplsTE.ted)
2985 return 0;
2986
2987 /* Sanity Check */
2988 if (lsa == NULL) {
2989 flog_warn(EC_OSPF_LSA_NULL, "TE (%s): Abort! LSA is NULL",
2990 __func__);
2991 return -1;
2992 }
2993
2994 /* If LSA is MAX_AGE, remove corresponding Link State element */
2995 if (IS_LSA_MAXAGE(lsa)) {
2996 switch (lsa->data->type) {
2997 case OSPF_ROUTER_LSA:
2998 rc = ospf_te_delete_router_lsa(OspfMplsTE.ted, lsa);
2999 break;
3000 case OSPF_OPAQUE_AREA_LSA:
3001 case OSPF_OPAQUE_AS_LSA:
3002 rc = ospf_te_delete_opaque_lsa(OspfMplsTE.ted, lsa);
3003 break;
3004 default:
3005 rc = 0;
3006 break;
3007 }
3008 } else {
3009 /* Parse LSA to Update corresponding Link State element */
3010 switch (lsa->data->type) {
3011 case OSPF_ROUTER_LSA:
3012 rc = ospf_te_parse_router_lsa(OspfMplsTE.ted, lsa);
3013 break;
3014 case OSPF_OPAQUE_AREA_LSA:
3015 case OSPF_OPAQUE_AS_LSA:
3016 rc = ospf_te_parse_opaque_lsa(OspfMplsTE.ted, lsa);
3017 break;
3018 default:
3019 rc = 0;
3020 break;
3021 }
3022 }
3023
3024 return rc;
3025}
3026
3027/**
3028 * Delete Traffic Engineering Database element from OSPF LSA. This function
3029 * process only self LSA (i.e. advertised by the router) which reach MAX_AGE
3030 * as LSA deleted by neighbor routers are Flushed (i.e. advertised with
3031 * age == MAX_AGE) and processed by ospf_mpls_te_lsa_update() function.
3032 *
3033 * @param lsa OSPF Link State Advertisement
3034 *
3035 * @return 0 if success, -1 otherwise
3036 */
3037static int ospf_mpls_te_lsa_delete(struct ospf_lsa *lsa)
3038{
3039
3040 uint8_t rc;
3041
3042 /* Check that MPLS-TE is active */
3043 if (!OspfMplsTE.enabled || !OspfMplsTE.ted)
3044 return 0;
3045
3046 /* Sanity Check */
3047 if (lsa == NULL) {
3048 flog_warn(EC_OSPF_LSA_NULL, "TE (%s): Abort! LSA is NULL",
3049 __func__);
3050 return -1;
3051 }
3052
3053 /*
3054 * Process only self LSAs that reach MAX_AGE. Indeed, when the router
3055 * need to update or refresh an LSA, it first removes the old LSA from
3056 * the LSDB and then insert the new one. Thus, to avoid removing
3057 * corresponding Link State element and loosing some parameters
3058 * instead of just updating it, only self LSAs that reach MAX_AGE are
3059 * processed here. Other LSAs are processed by ospf_mpls_te_lsa_update()
3060 * and eventually removed when LSA age is MAX_AGE i.e. LSA is flushed
3061 * by the originator.
3062 */
3063 if (!IS_LSA_SELF(lsa) || !IS_LSA_MAXAGE(lsa))
3064 return 0;
3065
3066 /* Parse Link State information */
3067 switch (lsa->data->type) {
3068 case OSPF_ROUTER_LSA:
3069 rc = ospf_te_delete_router_lsa(OspfMplsTE.ted, lsa);
3070 break;
3071 case OSPF_OPAQUE_AREA_LSA:
3072 case OSPF_OPAQUE_AS_LSA:
3073 rc = ospf_te_delete_opaque_lsa(OspfMplsTE.ted, lsa);
3074 break;
3075 default:
3076 rc = 0;
3077 break;
3078 }
3079
3080 return rc;
3081}
3082
3083/**
3084 * Send the whole Link State Traffic Engineering Database to the consumer that
3085 * request it through a ZAPI Link State Synchronous Opaque Message.
3086 *
3087 * @param info ZAPI Opaque message
3088 *
3089 * @return 0 if success, -1 otherwise
3090 */
3091int ospf_te_sync_ted(struct zapi_opaque_reg_info dst)
3092{
3093 int rc = -1;
3094
3095 /* Check that MPLS-TE and TE distribution are enabled */
3096 if (!OspfMplsTE.enabled || !OspfMplsTE.export)
3097 return rc;
3098
3099 rc = ls_sync_ted(OspfMplsTE.ted, zclient, &dst);
3100
3101 return rc;
3102}
3103
3104/**
3105 * Initialize Traffic Engineering Database from the various OSPF Link State
3106 * Database (LSDB).
3107 *
3108 * @param ted Link State Traffice Engineering Database
3109 * @param ospf OSPF main structure
3110 */
3111static void ospf_te_init_ted(struct ls_ted *ted, struct ospf *ospf)
3112{
3113 struct listnode *node, *nnode;
3114 struct route_node *rn;
3115 struct ospf_area *area;
3116 struct ospf_lsa *lsa;
3117
3118 /* Iterate over all areas. */
3119 for (ALL_LIST_ELEMENTS(ospf->areas, node, nnode, area)) {
3120 if (!area->lsdb)
3121 continue;
3122
3123 /* Parse all Router LSAs from the area LSDB */
3124 LSDB_LOOP (ROUTER_LSDB(area), rn, lsa)
3125 ospf_te_parse_router_lsa(ted, lsa);
3126
3127 /* Parse all Opaque LSAs from the area LSDB */
3128 LSDB_LOOP (OPAQUE_AREA_LSDB(area), rn, lsa)
3129 ospf_te_parse_opaque_lsa(ted, lsa);
3130 }
3131
3132 /* Parse AS-external opaque LSAs from OSPF LSDB */
3133 if (ospf->lsdb) {
3134 LSDB_LOOP (OPAQUE_AS_LSDB(ospf), rn, lsa)
3135 ospf_te_parse_opaque_lsa(ted, lsa);
3136 }
3137
3138}
3139
3140/*------------------------------------------------------------------------*
78dfa0c7 3141 * Following are vty session control functions.
f173deb3 3142 *------------------------------------------------------------------------*/
8db278b5
OD		 3143#define check_tlv_size(size, msg) \
3144 do { \
3145 if (ntohs(tlvh->length) > size) { \
3146 if (vty != NULL) \
3147 vty_out(vty, " Wrong %s TLV size: %d(%d)\n", \
3148 msg, ntohs(tlvh->length), size); \
3149 else \
55370b95 3150 zlog_debug(" Wrong %s TLV size: %d(%d)", \
8db278b5
OD		 3151 msg, ntohs(tlvh->length), size); \
3152 return size + TLV_HDR_SIZE; \
3153 } \
55370b95 3154 } while (0)
f173deb3
OD		 3155
3156static uint16_t show_vty_router_addr(struct vty *vty, struct tlv_header *tlvh)
3157{
3158 struct te_tlv_router_addr *top = (struct te_tlv_router_addr *)tlvh;
3159
8db278b5
OD		 3160 check_tlv_size(TE_LINK_SUBTLV_DEF_SIZE, "Router Address");
3161
f173deb3
OD		 3162 if (vty != NULL)
3163 vty_out(vty, " Router-Address: %pI4\n", &top->value);
3164 else
3165 zlog_debug(" Router-Address: %pI4", &top->value);
3166
3167 return TLV_SIZE(tlvh);
3168}
3169
8db278b5
OD		 3170static uint16_t show_vty_link_header(struct vty *vty, struct tlv_header *tlvh,
3171 size_t buf_size)
f173deb3
OD		 3172{
3173 struct te_tlv_link *top = (struct te_tlv_link *)tlvh;
3174
8db278b5
OD		 3175 if (TLV_SIZE(tlvh) > buf_size) {
3176 if (vty != NULL)
3177 vty_out(vty,
3178 " TLV size %d exceeds buffer size. Abort!",
3179 TLV_SIZE(tlvh));
3180 else
3181 zlog_debug(
3182 " TLV size %d exceeds buffer size. Abort!",
3183 TLV_SIZE(tlvh));
3184 return buf_size;
3185 }
3186
f173deb3
OD		 3187 if (vty != NULL)
3188 vty_out(vty, " Link: %u octets of data\n",
3189 ntohs(top->header.length));
3190 else
3191 zlog_debug(" Link: %u octets of data",
3192 ntohs(top->header.length));
3193
3194 return TLV_HDR_SIZE; /* Here is special, not "TLV_SIZE". */
3195}
3196
3197static uint16_t show_vty_link_subtlv_link_type(struct vty *vty,
3198 struct tlv_header *tlvh)
3199{
3200 struct te_link_subtlv_link_type *top;
3201 const char *cp = "Unknown";
3202
8db278b5
OD		 3203 check_tlv_size(TE_LINK_SUBTLV_TYPE_SIZE, "Link Type");
3204
f173deb3
OD		 3205 top = (struct te_link_subtlv_link_type *)tlvh;
3206 switch (top->link_type.value) {
3207 case LINK_TYPE_SUBTLV_VALUE_PTP:
3208 cp = "Point-to-point";
3209 break;
3210 case LINK_TYPE_SUBTLV_VALUE_MA:
3211 cp = "Multiaccess";
3212 break;
3213 default:
3214 break;
3215 }
3216
3217 if (vty != NULL)
3218 vty_out(vty, " Link-Type: %s (%u)\n", cp,
3219 top->link_type.value);
3220 else
3221 zlog_debug(" Link-Type: %s (%u)", cp, top->link_type.value);
3222
3223 return TLV_SIZE(tlvh);
3224}
3225
3226static uint16_t show_vty_link_subtlv_link_id(struct vty *vty,
3227 struct tlv_header *tlvh)
3228{
3229 struct te_link_subtlv_link_id *top;
3230
8db278b5
OD		 3231 check_tlv_size(TE_LINK_SUBTLV_DEF_SIZE, "Link ID");
3232
f173deb3
OD		 3233 top = (struct te_link_subtlv_link_id *)tlvh;
3234 if (vty != NULL)
3235 vty_out(vty, " Link-ID: %pI4\n", &top->value);
3236 else
3237 zlog_debug(" Link-ID: %pI4", &top->value);
3238
3239 return TLV_SIZE(tlvh);
3240}
3241
3242static uint16_t show_vty_link_subtlv_lclif_ipaddr(struct vty *vty,
8db278b5
OD		 3243 struct tlv_header *tlvh,
3244 size_t buf_size)
f173deb3
OD		 3245{
3246 struct te_link_subtlv_lclif_ipaddr *top;
3247 int i, n;
3248
8db278b5
OD		 3249 if (TLV_SIZE(tlvh) > buf_size) {
3250 if (vty != NULL)
3251 vty_out(vty,
3252 " TLV size %d exceeds buffer size. Abort!",
3253 TLV_SIZE(tlvh));
3254 else
3255 zlog_debug(
3256 " TLV size %d exceeds buffer size. Abort!",
3257 TLV_SIZE(tlvh));
3258 return buf_size;
3259 }
3260
f173deb3
OD		 3261 top = (struct te_link_subtlv_lclif_ipaddr *)tlvh;
3262 n = ntohs(tlvh->length) / sizeof(top->value[0]);
3263
3264 if (vty != NULL)
3265 vty_out(vty, " Local Interface IP Address(es): %d\n", n);
3266 else
3267 zlog_debug(" Local Interface IP Address(es): %d", n);
3268
3269 for (i = 0; i < n; i++) {
3270 if (vty != NULL)
3271 vty_out(vty, " #%d: %pI4\n", i, &top->value[i]);
3272 else
3273 zlog_debug(" #%d: %pI4", i, &top->value[i]);
3274 }
3275 return TLV_SIZE(tlvh);
3276}
3277
3278static uint16_t show_vty_link_subtlv_rmtif_ipaddr(struct vty *vty,
8db278b5
OD		 3279 struct tlv_header *tlvh,
3280 size_t buf_size)
f173deb3
OD		 3281{
3282 struct te_link_subtlv_rmtif_ipaddr *top;
3283 int i, n;
3284
8db278b5
OD		 3285 if (TLV_SIZE(tlvh) > buf_size) {
3286 if (vty != NULL)
3287 vty_out(vty,
3288 " TLV size %d exceeds buffer size. Abort!",
3289 TLV_SIZE(tlvh));
3290 else
3291 zlog_debug(
3292 " TLV size %d exceeds buffer size. Abort!",
3293 TLV_SIZE(tlvh));
3294 return buf_size;
3295 }
3296
f173deb3
OD		 3297 top = (struct te_link_subtlv_rmtif_ipaddr *)tlvh;
3298 n = ntohs(tlvh->length) / sizeof(top->value[0]);
3299 if (vty != NULL)
3300 vty_out(vty, " Remote Interface IP Address(es): %d\n", n);
3301 else
3302 zlog_debug(" Remote Interface IP Address(es): %d", n);
3303
3304 for (i = 0; i < n; i++) {
3305 if (vty != NULL)
3306 vty_out(vty, " #%d: %pI4\n", i, &top->value[i]);
3307 else
3308 zlog_debug(" #%d: %pI4", i, &top->value[i]);
3309 }
3310 return TLV_SIZE(tlvh);
3311}
3312
3313static uint16_t show_vty_link_subtlv_te_metric(struct vty *vty,
3314 struct tlv_header *tlvh)
3315{
3316 struct te_link_subtlv_te_metric *top;
3317
8db278b5
OD		 3318 check_tlv_size(TE_LINK_SUBTLV_DEF_SIZE, "TE Metric");
3319
f173deb3
OD		 3320 top = (struct te_link_subtlv_te_metric *)tlvh;
3321 if (vty != NULL)
3322 vty_out(vty, " Traffic Engineering Metric: %u\n",
3323 (uint32_t)ntohl(top->value));
3324 else
3325 zlog_debug(" Traffic Engineering Metric: %u",
3326 (uint32_t)ntohl(top->value));
3327
3328 return TLV_SIZE(tlvh);
3329}
3330
3331static uint16_t show_vty_link_subtlv_max_bw(struct vty *vty,
3332 struct tlv_header *tlvh)
3333{
3334 struct te_link_subtlv_max_bw *top;
3335 float fval;
3336
8db278b5
OD		 3337 check_tlv_size(TE_LINK_SUBTLV_DEF_SIZE, "Maximum Bandwidth");
3338
f173deb3
OD		 3339 top = (struct te_link_subtlv_max_bw *)tlvh;
3340 fval = ntohf(top->value);
3341
3342 if (vty != NULL)
3343 vty_out(vty, " Maximum Bandwidth: %g (Bytes/sec)\n", fval);
3344 else
3345 zlog_debug(" Maximum Bandwidth: %g (Bytes/sec)", fval);
3346
3347 return TLV_SIZE(tlvh);
3348}
3349
3350static uint16_t show_vty_link_subtlv_max_rsv_bw(struct vty *vty,
3351 struct tlv_header *tlvh)
3352{
3353 struct te_link_subtlv_max_rsv_bw *top;
3354 float fval;
3355
8db278b5
OD		 3356 check_tlv_size(TE_LINK_SUBTLV_DEF_SIZE, "Maximum Reservable Bandwidth");
3357
f173deb3
OD		 3358 top = (struct te_link_subtlv_max_rsv_bw *)tlvh;
3359 fval = ntohf(top->value);
3360
3361 if (vty != NULL)
3362 vty_out(vty, " Maximum Reservable Bandwidth: %g (Bytes/sec)\n",
3363 fval);
3364 else
3365 zlog_debug(" Maximum Reservable Bandwidth: %g (Bytes/sec)",
3366 fval);
3367
3368 return TLV_SIZE(tlvh);
3369}
3370
3371static uint16_t show_vty_link_subtlv_unrsv_bw(struct vty *vty,
3372 struct tlv_header *tlvh)
3373{
3374 struct te_link_subtlv_unrsv_bw *top;
3375 float fval1, fval2;
3376 int i;
3377
8db278b5
OD		 3378 check_tlv_size(TE_LINK_SUBTLV_UNRSV_SIZE, "Unreserved Bandwidth");
3379
f173deb3
OD		 3380 top = (struct te_link_subtlv_unrsv_bw *)tlvh;
3381 if (vty != NULL)
3382 vty_out(vty,
3383 " Unreserved Bandwidth per Class Type in Byte/s:\n");
3384 else
3385 zlog_debug(
3386 " Unreserved Bandwidth per Class Type in Byte/s:");
3387 for (i = 0; i < MAX_CLASS_TYPE; i += 2) {
3388 fval1 = ntohf(top->value[i]);
3389 fval2 = ntohf(top->value[i + 1]);
3390
3391 if (vty != NULL)
3392 vty_out(vty,
3393 " [%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)\n",
3394 i, fval1, i + 1, fval2);
3395 else
3396 zlog_debug(
3397 " [%d]: %g (Bytes/sec), [%d]: %g (Bytes/sec)",
3398 i, fval1, i + 1, fval2);
3399 }
3400
3401 return TLV_SIZE(tlvh);
3402}
3403
3404static uint16_t show_vty_link_subtlv_rsc_clsclr(struct vty *vty,
3405 struct tlv_header *tlvh)
3406{
3407 struct te_link_subtlv_rsc_clsclr *top;
3408
8db278b5
OD		 3409 check_tlv_size(TE_LINK_SUBTLV_DEF_SIZE, "Resource class/color");
3410
f173deb3
OD		 3411 top = (struct te_link_subtlv_rsc_clsclr *)tlvh;
3412 if (vty != NULL)
3413 vty_out(vty, " Resource class/color: 0x%x\n",
3414 (uint32_t)ntohl(top->value));
3415 else
3416 zlog_debug(" Resource Class/Color: 0x%x",
3417 (uint32_t)ntohl(top->value));
3418
3419 return TLV_SIZE(tlvh);
3420}
3421
3422static uint16_t show_vty_link_subtlv_lrrid(struct vty *vty,
3423 struct tlv_header *tlvh)
3424{
3425 struct te_link_subtlv_lrrid *top;
3426
8db278b5
OD		 3427 check_tlv_size(TE_LINK_SUBTLV_LRRID_SIZE, "Local/Remote Router ID");
3428
f173deb3
OD		 3429 top = (struct te_link_subtlv_lrrid *)tlvh;
3430
3431 if (vty != NULL) {
3432 vty_out(vty, " Local TE Router ID: %pI4\n",
3433 &top->local);
3434 vty_out(vty, " Remote TE Router ID: %pI4\n",
3435 &top->remote);
3436 } else {
3437 zlog_debug(" Local TE Router ID: %pI4",
3438 &top->local);
3439 zlog_debug(" Remote TE Router ID: %pI4",
3440 &top->remote);
3441 }
3442
3443 return TLV_SIZE(tlvh);
16f1b9ee
OD		 3444}
3445
d7c0a89a
QY		 3446static uint16_t show_vty_link_subtlv_llri(struct vty *vty,
3447 struct tlv_header *tlvh)
16f1b9ee 3448{
d62a17ae 3449 struct te_link_subtlv_llri *top;
16f1b9ee 3450
8db278b5
OD		 3451 check_tlv_size(TE_LINK_SUBTLV_LLRI_SIZE, "Link Local/Remote ID");
3452
d62a17ae 3453 top = (struct te_link_subtlv_llri *)tlvh;
16f1b9ee 3454
d62a17ae 3455 if (vty != NULL) {
3456 vty_out(vty, " Link Local ID: %d\n",
d7c0a89a 3457 (uint32_t)ntohl(top->local));
d62a17ae 3458 vty_out(vty, " Link Remote ID: %d\n",
d7c0a89a 3459 (uint32_t)ntohl(top->remote));
d62a17ae 3460 } else {
3461 zlog_debug(" Link Local ID: %d",
d7c0a89a 3462 (uint32_t)ntohl(top->local));
d62a17ae 3463 zlog_debug(" Link Remote ID: %d",
d7c0a89a 3464 (uint32_t)ntohl(top->remote));
d62a17ae 3465 }
16f1b9ee 3466
d62a17ae 3467 return TLV_SIZE(tlvh);
16f1b9ee
OD		 3468}
3469
d7c0a89a
QY		 3470static uint16_t show_vty_link_subtlv_rip(struct vty *vty,
3471 struct tlv_header *tlvh)
16f1b9ee 3472{
d62a17ae 3473 struct te_link_subtlv_rip *top;
16f1b9ee 3474
8db278b5
OD		 3475 check_tlv_size(TE_LINK_SUBTLV_DEF_SIZE, "Remote ASBR Address");
3476
d62a17ae 3477 top = (struct te_link_subtlv_rip *)tlvh;
16f1b9ee 3478
d62a17ae 3479 if (vty != NULL)
96b663a3
MS		 3480 vty_out(vty, " Inter-AS TE Remote ASBR IP address: %pI4\n",
3481 &top->value);
d62a17ae 3482 else
96b663a3
MS		 3483 zlog_debug(" Inter-AS TE Remote ASBR IP address: %pI4",
3484 &top->value);
16f1b9ee 3485
d62a17ae 3486 return TLV_SIZE(tlvh);
16f1b9ee
OD		 3487}
3488
d7c0a89a
QY		 3489static uint16_t show_vty_link_subtlv_ras(struct vty *vty,
3490 struct tlv_header *tlvh)
16f1b9ee 3491{
d62a17ae 3492 struct te_link_subtlv_ras *top;
16f1b9ee 3493
8db278b5
OD		 3494 check_tlv_size(TE_LINK_SUBTLV_DEF_SIZE, "Remote AS number");
3495
d62a17ae 3496 top = (struct te_link_subtlv_ras *)tlvh;
16f1b9ee 3497
d62a17ae 3498 if (vty != NULL)
3499 vty_out(vty, " Inter-AS TE Remote AS number: %u\n",
3500 ntohl(top->value));
3501 else
3502 zlog_debug(" Inter-AS TE Remote AS number: %u",
3503 ntohl(top->value));
16f1b9ee 3504
d62a17ae 3505 return TLV_SIZE(tlvh);
16f1b9ee
OD		 3506}
3507
d7c0a89a
QY		 3508static uint16_t show_vty_link_subtlv_av_delay(struct vty *vty,
3509 struct tlv_header *tlvh)
16f1b9ee 3510{
d62a17ae 3511 struct te_link_subtlv_av_delay *top;
d7c0a89a
QY		 3512 uint32_t delay;
3513 uint32_t anomalous;
16f1b9ee 3514
8db278b5
OD		 3515 check_tlv_size(TE_LINK_SUBTLV_DEF_SIZE, "Average Link Delay");
3516
d62a17ae 3517 top = (struct te_link_subtlv_av_delay *)tlvh;
d7c0a89a
QY		 3518 delay = (uint32_t)ntohl(top->value) & TE_EXT_MASK;
3519 anomalous = (uint32_t)ntohl(top->value) & TE_EXT_ANORMAL;
16f1b9ee 3520
d62a17ae 3521 if (vty != NULL)
3522 vty_out(vty, " %s Average Link Delay: %d (micro-sec)\n",
3523 anomalous ? "Anomalous" : "Normal", delay);
3524 else
3525 zlog_debug(" %s Average Link Delay: %d (micro-sec)",
3526 anomalous ? "Anomalous" : "Normal", delay);
16f1b9ee 3527
d62a17ae 3528 return TLV_SIZE(tlvh);
16f1b9ee
OD		 3529}
3530
d7c0a89a
QY		 3531static uint16_t show_vty_link_subtlv_mm_delay(struct vty *vty,
3532 struct tlv_header *tlvh)
16f1b9ee 3533{
d62a17ae 3534 struct te_link_subtlv_mm_delay *top;
d7c0a89a
QY		 3535 uint32_t low, high;
3536 uint32_t anomalous;
16f1b9ee 3537
8db278b5
OD		 3538 check_tlv_size(TE_LINK_SUBTLV_MM_DELAY_SIZE, "Min/Max Link Delay");
3539
d62a17ae 3540 top = (struct te_link_subtlv_mm_delay *)tlvh;
d7c0a89a
QY		 3541 low = (uint32_t)ntohl(top->low) & TE_EXT_MASK;
3542 anomalous = (uint32_t)ntohl(top->low) & TE_EXT_ANORMAL;
3543 high = (uint32_t)ntohl(top->high);
16f1b9ee 3544
d62a17ae 3545 if (vty != NULL)
3546 vty_out(vty, " %s Min/Max Link Delay: %d/%d (micro-sec)\n",
3547 anomalous ? "Anomalous" : "Normal", low, high);
3548 else
3549 zlog_debug(" %s Min/Max Link Delay: %d/%d (micro-sec)",
3550 anomalous ? "Anomalous" : "Normal", low, high);
16f1b9ee 3551
d62a17ae 3552 return TLV_SIZE(tlvh);
16f1b9ee
OD		 3553}
3554
d7c0a89a
QY		 3555static uint16_t show_vty_link_subtlv_delay_var(struct vty *vty,
3556 struct tlv_header *tlvh)
16f1b9ee 3557{
d62a17ae 3558 struct te_link_subtlv_delay_var *top;
d7c0a89a 3559 uint32_t jitter;
16f1b9ee 3560
8db278b5
OD		 3561 check_tlv_size(TE_LINK_SUBTLV_DEF_SIZE, "Link Delay Variation");
3562
d62a17ae 3563 top = (struct te_link_subtlv_delay_var *)tlvh;
d7c0a89a 3564 jitter = (uint32_t)ntohl(top->value) & TE_EXT_MASK;
16f1b9ee 3565
d62a17ae 3566 if (vty != NULL)
3567 vty_out(vty, " Delay Variation: %d (micro-sec)\n", jitter);
3568 else
3569 zlog_debug(" Delay Variation: %d (micro-sec)", jitter);
16f1b9ee 3570
d62a17ae 3571 return TLV_SIZE(tlvh);
16f1b9ee
OD		 3572}
3573
d7c0a89a
QY		 3574static uint16_t show_vty_link_subtlv_pkt_loss(struct vty *vty,
3575 struct tlv_header *tlvh)
16f1b9ee 3576{
d62a17ae 3577 struct te_link_subtlv_pkt_loss *top;
d7c0a89a
QY		 3578 uint32_t loss;
3579 uint32_t anomalous;
d62a17ae 3580 float fval;
16f1b9ee 3581
8db278b5
OD		 3582 check_tlv_size(TE_LINK_SUBTLV_DEF_SIZE, "Link Loss");
3583
d62a17ae 3584 top = (struct te_link_subtlv_pkt_loss *)tlvh;
d7c0a89a 3585 loss = (uint32_t)ntohl(top->value) & TE_EXT_MASK;
d62a17ae 3586 fval = (float)(loss * LOSS_PRECISION);
d7c0a89a 3587 anomalous = (uint32_t)ntohl(top->value) & TE_EXT_ANORMAL;
16f1b9ee 3588
d62a17ae 3589 if (vty != NULL)
3590 vty_out(vty, " %s Link Loss: %g (%%)\n",
3591 anomalous ? "Anomalous" : "Normal", fval);
3592 else
3593 zlog_debug(" %s Link Loss: %g (%%)",
3594 anomalous ? "Anomalous" : "Normal", fval);
16f1b9ee 3595
d62a17ae 3596 return TLV_SIZE(tlvh);
16f1b9ee
OD		 3597}
3598
d7c0a89a
QY		 3599static uint16_t show_vty_link_subtlv_res_bw(struct vty *vty,
3600 struct tlv_header *tlvh)
16f1b9ee 3601{
d62a17ae 3602 struct te_link_subtlv_res_bw *top;
3603 float fval;
16f1b9ee 3604
8db278b5
OD		 3605 check_tlv_size(TE_LINK_SUBTLV_DEF_SIZE, "Residual Bandwidth");
3606
d62a17ae 3607 top = (struct te_link_subtlv_res_bw *)tlvh;
3608 fval = ntohf(top->value);
16f1b9ee 3609
d62a17ae 3610 if (vty != NULL)
3611 vty_out(vty,
3612 " Unidirectional Residual Bandwidth: %g (Bytes/sec)\n",
3613 fval);
3614 else
3615 zlog_debug(
3616 " Unidirectional Residual Bandwidth: %g (Bytes/sec)",
3617 fval);
3618
3619 return TLV_SIZE(tlvh);
3620}
3621
d7c0a89a
QY		 3622static uint16_t show_vty_link_subtlv_ava_bw(struct vty *vty,
3623 struct tlv_header *tlvh)
d62a17ae 3624{
3625 struct te_link_subtlv_ava_bw *top;
3626 float fval;
3627
8db278b5
OD		 3628 check_tlv_size(TE_LINK_SUBTLV_DEF_SIZE, "Available Bandwidth");
3629
d62a17ae 3630 top = (struct te_link_subtlv_ava_bw *)tlvh;
3631 fval = ntohf(top->value);
3632
3633 if (vty != NULL)
3634 vty_out(vty,
3635 " Unidirectional Available Bandwidth: %g (Bytes/sec)\n",
3636 fval);
3637 else
3638 zlog_debug(
3639 " Unidirectional Available Bandwidth: %g (Bytes/sec)",
3640 fval);
3641
3642 return TLV_SIZE(tlvh);
3643}
3644
d7c0a89a
QY		 3645static uint16_t show_vty_link_subtlv_use_bw(struct vty *vty,
3646 struct tlv_header *tlvh)
d62a17ae 3647{
3648 struct te_link_subtlv_use_bw *top;
3649 float fval;
3650
8db278b5
OD		 3651 check_tlv_size(TE_LINK_SUBTLV_DEF_SIZE, "Utilized Bandwidth");
3652
d62a17ae 3653 top = (struct te_link_subtlv_use_bw *)tlvh;
3654 fval = ntohf(top->value);
3655
3656 if (vty != NULL)
3657 vty_out(vty,
3658 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)\n",
3659 fval);
3660 else
3661 zlog_debug(
3662 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)",
3663 fval);
3664
3665 return TLV_SIZE(tlvh);
3666}
3667
8db278b5
OD		 3668static uint16_t show_vty_unknown_tlv(struct vty *vty, struct tlv_header *tlvh,
3669 size_t buf_size)
d62a17ae 3670{
8db278b5
OD		 3671 if (TLV_SIZE(tlvh) > buf_size) {
3672 if (vty != NULL)
3673 vty_out(vty,
3674 " TLV size %d exceeds buffer size. Abort!",
3675 TLV_SIZE(tlvh));
3676 else
3677 zlog_debug(
3678 " TLV size %d exceeds buffer size. Abort!",
3679 TLV_SIZE(tlvh));
3680 return buf_size;
3681 }
3682
d62a17ae 3683 if (vty != NULL)
3684 vty_out(vty, " Unknown TLV: [type(0x%x), length(0x%x)]\n",
3685 ntohs(tlvh->type), ntohs(tlvh->length));
3686 else
3687 zlog_debug(" Unknown TLV: [type(0x%x), length(0x%x)]",
3688 ntohs(tlvh->type), ntohs(tlvh->length));
3689
3690 return TLV_SIZE(tlvh);
3691}
3692
d7c0a89a
QY		 3693static uint16_t ospf_mpls_te_show_link_subtlv(struct vty *vty,
3694 struct tlv_header *tlvh0,
3695 uint16_t subtotal, uint16_t total)
d62a17ae 3696{
9df48e81 3697 struct tlv_header *tlvh;
d7c0a89a 3698 uint16_t sum = subtotal;
d62a17ae 3699
8db278b5 3700 for (tlvh = tlvh0; sum < total; tlvh = TLV_HDR_NEXT(tlvh)) {
d62a17ae 3701 switch (ntohs(tlvh->type)) {
3702 case TE_LINK_SUBTLV_LINK_TYPE:
3703 sum += show_vty_link_subtlv_link_type(vty, tlvh);
3704 break;
3705 case TE_LINK_SUBTLV_LINK_ID:
3706 sum += show_vty_link_subtlv_link_id(vty, tlvh);
3707 break;
3708 case TE_LINK_SUBTLV_LCLIF_IPADDR:
8db278b5
OD		 3709 sum += show_vty_link_subtlv_lclif_ipaddr(vty, tlvh,
3710 total - sum);
d62a17ae 3711 break;
3712 case TE_LINK_SUBTLV_RMTIF_IPADDR:
8db278b5
OD		 3713 sum += show_vty_link_subtlv_rmtif_ipaddr(vty, tlvh,
3714 total - sum);
d62a17ae 3715 break;
3716 case TE_LINK_SUBTLV_TE_METRIC:
3717 sum += show_vty_link_subtlv_te_metric(vty, tlvh);
3718 break;
3719 case TE_LINK_SUBTLV_MAX_BW:
3720 sum += show_vty_link_subtlv_max_bw(vty, tlvh);
3721 break;
3722 case TE_LINK_SUBTLV_MAX_RSV_BW:
3723 sum += show_vty_link_subtlv_max_rsv_bw(vty, tlvh);
3724 break;
3725 case TE_LINK_SUBTLV_UNRSV_BW:
3726 sum += show_vty_link_subtlv_unrsv_bw(vty, tlvh);
3727 break;
3728 case TE_LINK_SUBTLV_RSC_CLSCLR:
3729 sum += show_vty_link_subtlv_rsc_clsclr(vty, tlvh);
3730 break;
3731 case TE_LINK_SUBTLV_LRRID:
3732 sum += show_vty_link_subtlv_lrrid(vty, tlvh);
3733 break;
3734 case TE_LINK_SUBTLV_LLRI:
3735 sum += show_vty_link_subtlv_llri(vty, tlvh);
3736 break;
3737 case TE_LINK_SUBTLV_RIP:
3738 sum += show_vty_link_subtlv_rip(vty, tlvh);
3739 break;
3740 case TE_LINK_SUBTLV_RAS:
3741 sum += show_vty_link_subtlv_ras(vty, tlvh);
3742 break;
3743 case TE_LINK_SUBTLV_AV_DELAY:
3744 sum += show_vty_link_subtlv_av_delay(vty, tlvh);
3745 break;
3746 case TE_LINK_SUBTLV_MM_DELAY:
3747 sum += show_vty_link_subtlv_mm_delay(vty, tlvh);
3748 break;
3749 case TE_LINK_SUBTLV_DELAY_VAR:
3750 sum += show_vty_link_subtlv_delay_var(vty, tlvh);
3751 break;
3752 case TE_LINK_SUBTLV_PKT_LOSS:
3753 sum += show_vty_link_subtlv_pkt_loss(vty, tlvh);
3754 break;
3755 case TE_LINK_SUBTLV_RES_BW:
3756 sum += show_vty_link_subtlv_res_bw(vty, tlvh);
3757 break;
3758 case TE_LINK_SUBTLV_AVA_BW:
3759 sum += show_vty_link_subtlv_ava_bw(vty, tlvh);
3760 break;
3761 case TE_LINK_SUBTLV_USE_BW:
3762 sum += show_vty_link_subtlv_use_bw(vty, tlvh);
3763 break;
3764 default:
8db278b5 3765 sum += show_vty_unknown_tlv(vty, tlvh, total - sum);
d62a17ae 3766 break;
3767 }
3768 }
3769 return sum;
3770}
3771
3e63092b
RW		 3772static void ospf_mpls_te_show_info(struct vty *vty, struct json_object *json,
3773 struct ospf_lsa *lsa)
d62a17ae 3774{
c4efd0f4 3775 struct lsa_header *lsah = lsa->data;
ead99d5f 3776 struct tlv_header *tlvh, *next;
d7c0a89a
QY		 3777 uint16_t sum, total;
3778 uint16_t (*subfunc)(struct vty * vty, struct tlv_header * tlvh,
3779 uint16_t subtotal, uint16_t total) = NULL;
d62a17ae 3780
3e63092b
RW		 3781 if (json)
3782 return;
3783
d62a17ae 3784 sum = 0;
8db278b5 3785 total = lsa->size - OSPF_LSA_HEADER_SIZE;
d62a17ae 3786
8db278b5 3787 for (tlvh = TLV_HDR_TOP(lsah); sum < total && tlvh;
d62a17ae 3788 tlvh = (next ? next : TLV_HDR_NEXT(tlvh))) {
3789 if (subfunc != NULL) {
3790 sum = (*subfunc)(vty, tlvh, sum, total);
ead99d5f 3791 next = (struct tlv_header *)((char *)tlvh + sum);
d62a17ae 3792 subfunc = NULL;
3793 continue;
3794 }
3795
3796 next = NULL;
3797 switch (ntohs(tlvh->type)) {
3798 case TE_TLV_ROUTER_ADDR:
3799 sum += show_vty_router_addr(vty, tlvh);
3800 break;
3801 case TE_TLV_LINK:
8db278b5 3802 sum += show_vty_link_header(vty, tlvh, total - sum);
d62a17ae 3803 subfunc = ospf_mpls_te_show_link_subtlv;
5d0df50f 3804 next = TLV_DATA(tlvh);
d62a17ae 3805 break;
3806 default:
8db278b5 3807 sum += show_vty_unknown_tlv(vty, tlvh, total - sum);
d62a17ae 3808 break;
3809 }
3810 }
3811 return;
3812}
3813
3814static void ospf_mpls_te_config_write_router(struct vty *vty)
3815{
3816
32ab5cf4 3817 if (OspfMplsTE.enabled) {
d62a17ae 3818 vty_out(vty, " mpls-te on\n");
96b663a3
MS		 3819 vty_out(vty, " mpls-te router-address %pI4\n",
3820 &OspfMplsTE.router_addr.value);
d62a17ae 3821
f173deb3
OD		 3822 if (OspfMplsTE.inter_as == AS)
3823 vty_out(vty, " mpls-te inter-as as\n");
3824 if (OspfMplsTE.inter_as == Area)
3825 vty_out(vty, " mpls-te inter-as area %pI4 \n",
3826 &OspfMplsTE.interas_areaid);
3827 if (OspfMplsTE.export)
3828 vty_out(vty, " mpls-te export\n");
3829 }
d62a17ae 3830 return;
718e3744 3831}
3832
3833/*------------------------------------------------------------------------*
78dfa0c7 3834 * Following are vty command functions.
718e3744 3835 *------------------------------------------------------------------------*/
3836
16f1b9ee
OD		 3837DEFUN (ospf_mpls_te_on,
3838 ospf_mpls_te_on_cmd,
3839 "mpls-te on",
3840 MPLS_TE_STR
718e3744 3841 "Enable the MPLS-TE functionality\n")
3842{
a3d826f0 3843 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
d62a17ae 3844 struct listnode *node;
3845 struct mpls_te_link *lp;
7c8ff89e 3846
32ab5cf4 3847 if (OspfMplsTE.enabled)
d62a17ae 3848 return CMD_SUCCESS;
718e3744 3849
fd3c7692 3850 ote_debug("MPLS-TE: OFF -> ON");
718e3744 3851
32ab5cf4 3852 OspfMplsTE.enabled = true;
718e3744 3853
d62a17ae 3854 /* Reoriginate RFC3630 & RFC6827 Links */
3855 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule,
3856 REORIGINATE_THIS_LSA);
718e3744 3857
d62a17ae 3858 /* Reoriginate LSA if INTER-AS is always on */
ead99d5f 3859 if (OspfMplsTE.inter_as != Off) {
d62a17ae 3860 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node, lp)) {
3861 if (IS_INTER_AS(lp->type)) {
3862 ospf_mpls_te_lsa_schedule(lp,
3863 REORIGINATE_THIS_LSA);
3864 }
3865 }
3866 }
718e3744 3867
f173deb3
OD		 3868 /* Create TED and initialize it */
3869 OspfMplsTE.ted = ls_ted_new(1, "OSPF", 0);
3870 if (!OspfMplsTE.ted) {
3871 vty_out(vty, "Unable to create Link State Data Base\n");
3872 return CMD_WARNING;
3873 }
3874 ospf_te_init_ted(OspfMplsTE.ted, ospf);
3875
d62a17ae 3876 return CMD_SUCCESS;
718e3744 3877}
3878
16f1b9ee
OD		 3879DEFUN (no_ospf_mpls_te,
3880 no_ospf_mpls_te_cmd,
3a2d747c 3881 "no mpls-te [on]",
718e3744 3882 NO_STR
3a2d747c 3883 MPLS_TE_STR
718e3744 3884 "Disable the MPLS-TE functionality\n")
3885{
a3d826f0 3886 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
d62a17ae 3887 struct listnode *node, *nnode;
3888 struct mpls_te_link *lp;
718e3744 3889
32ab5cf4 3890 if (!OspfMplsTE.enabled)
d62a17ae 3891 return CMD_SUCCESS;
718e3744 3892
fd3c7692 3893 ote_debug("MPLS-TE: ON -> OFF");
718e3744 3894
f173deb3 3895 /* Remove TED */
aa5ced0a 3896 ls_ted_del_all(&OspfMplsTE.ted);
32ab5cf4 3897 OspfMplsTE.enabled = false;
718e3744 3898
f173deb3 3899 /* Flush all TE Opaque LSAs */
d62a17ae 3900 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
32ab5cf4
OD		 3901 if (CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
3902 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
718e3744 3903
d424f8d8
CG		 3904 /*
3905 * This resets the OspfMplsTE.inter_as to its initial state.
3906 * This is to avoid having an inter-as value different from
3907 * Off when mpls-te gets restarted (after being removed)
3908 */
2efd7e2b 3909 OspfMplsTE.inter_as = Off;
d424f8d8 3910
d62a17ae 3911 return CMD_SUCCESS;
718e3744 3912}
3913
16f1b9ee
OD		 3914DEFUN (ospf_mpls_te_router_addr,
3915 ospf_mpls_te_router_addr_cmd,
718e3744 3916 "mpls-te router-address A.B.C.D",
16f1b9ee 3917 MPLS_TE_STR
718e3744 3918 "Stable IP address of the advertising router\n"
3919 "MPLS-TE router address in IPv4 address format\n")
3920{
a3d826f0 3921 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
d62a17ae 3922 int idx_ipv4 = 2;
3923 struct te_tlv_router_addr *ra = &OspfMplsTE.router_addr;
3924 struct in_addr value;
3925
3926 if (!inet_aton(argv[idx_ipv4]->arg, &value)) {
3927 vty_out(vty, "Please specify Router-Addr by A.B.C.D\n");
3928 return CMD_WARNING;
3929 }
3930
3931 if (ntohs(ra->header.type) == 0
3932 || ntohl(ra->value.s_addr) != ntohl(value.s_addr)) {
3933 struct listnode *node, *nnode;
3934 struct mpls_te_link *lp;
3935 int need_to_reoriginate = 0;
3936
3937 set_mpls_te_router_addr(value);
3938
32ab5cf4 3939 if (!OspfMplsTE.enabled)
ead99d5f 3940 return CMD_SUCCESS;
d62a17ae 3941
3942 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
2efd7e2b 3943 if ((lp->area == NULL) || IS_FLOOD_AS(lp->flags))
d62a17ae 3944 continue;
3945
3946 if (!CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED)) {
3947 need_to_reoriginate = 1;
3948 break;
3949 }
3950 }
3951
3952 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp)) {
2efd7e2b 3953 if ((lp->area == NULL) || IS_FLOOD_AS(lp->flags))
d62a17ae 3954 continue;
3955
3956 if (need_to_reoriginate)
3957 SET_FLAG(lp->flags, LPFLG_LSA_FORCED_REFRESH);
3958 else
3959 ospf_mpls_te_lsa_schedule(lp, REFRESH_THIS_LSA);
3960 }
3961
3962 if (need_to_reoriginate)
3963 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule,
3964 REORIGINATE_THIS_LSA);
3965 }
ead99d5f 3966
d62a17ae 3967 return CMD_SUCCESS;
3968}
3969
3970static int set_inter_as_mode(struct vty *vty, const char *mode_name,
3971 const char *area_id)
3972{
3973 enum inter_as_mode mode;
3974 struct listnode *node;
3975 struct mpls_te_link *lp;
3976 int format;
3977
32ab5cf4 3978 if (OspfMplsTE.enabled) {
d62a17ae 3979
3980 /* Read and Check inter_as mode */
3981 if (strcmp(mode_name, "as") == 0)
3982 mode = AS;
3983 else if (strcmp(mode_name, "area") == 0) {
3984 mode = Area;
3985 VTY_GET_OSPF_AREA_ID(OspfMplsTE.interas_areaid, format,
3986 area_id);
3987 } else {
3988 vty_out(vty,
3989 "Unknown mode. Please choose between as or area\n");
3990 return CMD_WARNING;
3991 }
3992
fd3c7692
OD		 3993 ote_debug(
3994 "MPLS-TE (%s): Inter-AS enable with %s flooding support",
3995 __func__, mode2text[mode]);
d62a17ae 3996
d62a17ae 3997 /* Enable mode and re-originate LSA if needed */
ead99d5f 3998 if ((OspfMplsTE.inter_as == Off)
d62a17ae 3999 && (mode != OspfMplsTE.inter_as)) {
4000 OspfMplsTE.inter_as = mode;
4001 /* Re-originate all InterAS-TEv2 LSA */
4002 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE.iflist, node,
4003 lp)) {
4004 if (IS_INTER_AS(lp->type)) {
4005 if (mode == AS)
2efd7e2b
OD		 4006 SET_FLAG(lp->flags,
4007 LPFLG_LSA_FLOOD_AS);
d62a17ae 4008 else
2efd7e2b
OD		 4009 UNSET_FLAG(lp->flags,
4010 LPFLG_LSA_FLOOD_AS);
d62a17ae 4011 ospf_mpls_te_lsa_schedule(
4012 lp, REORIGINATE_THIS_LSA);
4013 }
4014 }
4015 } else {
4016 vty_out(vty,
4017 "Please change Inter-AS support to disable first before going to mode %s\n",
4018 mode2text[mode]);
4019 return CMD_WARNING;
4020 }
4021 } else {
4022 vty_out(vty, "mpls-te has not been turned on\n");
4023 return CMD_WARNING;
4024 }
4025 return CMD_SUCCESS;
718e3744 4026}
4027
718e3744 4028
16f1b9ee
OD		 4029DEFUN (ospf_mpls_te_inter_as_as,
4030 ospf_mpls_te_inter_as_cmd,
4031 "mpls-te inter-as as",
4032 MPLS_TE_STR
4033 "Configure MPLS-TE Inter-AS support\n"
4034 "AS native mode self originate INTER_AS LSA with Type 11 (as flooding scope)\n")
4035{
d62a17ae 4036 return set_inter_as_mode(vty, "as", "");
718e3744 4037}
4038
16f1b9ee
OD		 4039DEFUN (ospf_mpls_te_inter_as_area,
4040 ospf_mpls_te_inter_as_area_cmd,
6147e2c6 4041 "mpls-te inter-as area <A.B.C.D|(0-4294967295)>",
16f1b9ee
OD		 4042 MPLS_TE_STR
4043 "Configure MPLS-TE Inter-AS support\n"
4044 "AREA native mode self originate INTER_AS LSA with Type 10 (area flooding scope)\n"
4045 "OSPF area ID in IP format\n"
4046 "OSPF area ID as decimal value\n")
718e3744 4047{
d62a17ae 4048 int idx_ipv4_number = 3;
4049 return set_inter_as_mode(vty, "area", argv[idx_ipv4_number]->arg);
718e3744 4050}
4051
16f1b9ee
OD		 4052DEFUN (no_ospf_mpls_te_inter_as,
4053 no_ospf_mpls_te_inter_as_cmd,
4054 "no mpls-te inter-as",
4055 NO_STR
4056 MPLS_TE_STR
4057 "Disable MPLS-TE Inter-AS support\n")
718e3744 4058{
16f1b9ee 4059
d62a17ae 4060 struct listnode *node, *nnode;
4061 struct mpls_te_link *lp;
718e3744 4062
fd3c7692 4063 ote_debug("MPLS-TE: Inter-AS support OFF");
718e3744 4064
996c9314 4065 if ((OspfMplsTE.enabled) && (OspfMplsTE.inter_as != Off)) {
d62a17ae 4066 /* Flush all Inter-AS LSA */
4067 for (ALL_LIST_ELEMENTS(OspfMplsTE.iflist, node, nnode, lp))
4068 if (IS_INTER_AS(lp->type)
4069 && CHECK_FLAG(lp->flags, LPFLG_LSA_ENGAGED))
4070 ospf_mpls_te_lsa_schedule(lp, FLUSH_THIS_LSA);
718e3744 4071
e790de41
DT		 4072 OspfMplsTE.inter_as = Off;
4073 }
bcf4475e 4074
d62a17ae 4075 return CMD_SUCCESS;
718e3744 4076}
4077
f173deb3
OD		 4078DEFUN (ospf_mpls_te_export,
4079 ospf_mpls_te_export_cmd,
4080 "mpls-te export",
4081 MPLS_TE_STR
4082 "Export the MPLS-TE information as Link State\n")
4083{
4084
4085 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
4086
4087 if (OspfMplsTE.enabled) {
4088 if (ls_register(zclient, true) != 0) {
4089 vty_out(vty, "Unable to register Link State\n");
4090 return CMD_WARNING;
4091 }
4092 OspfMplsTE.export = true;
4093 } else {
4094 vty_out(vty, "mpls-te has not been turned on\n");
4095 return CMD_WARNING;
4096 }
4097 return CMD_SUCCESS;
4098}
4099
4100
4101DEFUN (no_ospf_mpls_te_export,
4102 no_ospf_mpls_te_export_cmd,
4103 "no mpls-te export",
4104 NO_STR
4105 MPLS_TE_STR
4106 "Stop export of the MPLS-TE information as Link State\n")
4107{
4108
4109 VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
4110
4111 if (OspfMplsTE.export) {
4112 if (ls_unregister(zclient, true) != 0) {
4113 vty_out(vty, "Unable to unregister Link State\n");
4114 return CMD_WARNING;
4115 }
4116 OspfMplsTE.export = false;
4117 }
4118 return CMD_SUCCESS;
4119}
4120
16f1b9ee
OD		 4121DEFUN (show_ip_ospf_mpls_te_router,
4122 show_ip_ospf_mpls_te_router_cmd,
4123 "show ip ospf mpls-te router",
718e3744 4124 SHOW_STR
16f1b9ee
OD		 4125 IP_STR
4126 OSPF_STR
718e3744 4127 "MPLS-TE information\n"
16f1b9ee 4128 "MPLS-TE Router parameters\n")
718e3744 4129{
32ab5cf4 4130 if (OspfMplsTE.enabled) {
d62a17ae 4131 vty_out(vty, "--- MPLS-TE router parameters ---\n");
4132
4133 if (ntohs(OspfMplsTE.router_addr.header.type) != 0)
4134 show_vty_router_addr(vty,
4135 &OspfMplsTE.router_addr.header);
0af35d90 4136 else
f173deb3
OD		 4137 vty_out(vty, " Router address is not set\n");
4138 vty_out(vty, " Link State distribution is %s\n",
4139 OspfMplsTE.export ? "Active" : "Inactive");
d62a17ae 4140 }
4141 return CMD_SUCCESS;
4142}
4143
4144static void show_mpls_te_link_sub(struct vty *vty, struct interface *ifp)
4145{
4146 struct mpls_te_link *lp;
4147
996c9314
LB		 4148 if ((OspfMplsTE.enabled) && HAS_LINK_PARAMS(ifp) && !if_is_loopback(ifp)
4149 && if_is_up(ifp)
d62a17ae 4150 && ((lp = lookup_linkparams_by_ifp(ifp)) != NULL)) {
4151 /* Continue only if interface is not passive or support Inter-AS
4152 * TEv2 */
4153 if (!(ospf_oi_count(ifp) > 0)) {
4154 if (IS_INTER_AS(lp->type)) {
4155 vty_out(vty,
4156 "-- Inter-AS TEv2 link parameters for %s --\n",
4157 ifp->name);
4158 } else {
4159 /* MPLS-TE is not activate on this interface */
4160 /* or this interface is passive and Inter-AS
4161 * TEv2 is not activate */
4162 vty_out(vty,
4163 " %s: MPLS-TE is disabled on this interface\n",
4164 ifp->name);
4165 return;
4166 }
4167 } else {
4168 vty_out(vty, "-- MPLS-TE link parameters for %s --\n",
4169 ifp->name);
4170 }
4171
4172 if (TLV_TYPE(lp->link_type) != 0)
4173 show_vty_link_subtlv_link_type(vty,
4174 &lp->link_type.header);
4175 if (TLV_TYPE(lp->link_id) != 0)
4176 show_vty_link_subtlv_link_id(vty, &lp->link_id.header);
4177 if (TLV_TYPE(lp->lclif_ipaddr) != 0)
4178 show_vty_link_subtlv_lclif_ipaddr(
8db278b5
OD		 4179 vty, &lp->lclif_ipaddr.header,
4180 lp->lclif_ipaddr.header.length);
d62a17ae 4181 if (TLV_TYPE(lp->rmtif_ipaddr) != 0)
4182 show_vty_link_subtlv_rmtif_ipaddr(
8db278b5
OD		 4183 vty, &lp->rmtif_ipaddr.header,
4184 lp->rmtif_ipaddr.header.length);
d62a17ae 4185 if (TLV_TYPE(lp->rip) != 0)
4186 show_vty_link_subtlv_rip(vty, &lp->rip.header);
4187 if (TLV_TYPE(lp->ras) != 0)
4188 show_vty_link_subtlv_ras(vty, &lp->ras.header);
4189 if (TLV_TYPE(lp->te_metric) != 0)
4190 show_vty_link_subtlv_te_metric(vty,
4191 &lp->te_metric.header);
4192 if (TLV_TYPE(lp->max_bw) != 0)
4193 show_vty_link_subtlv_max_bw(vty, &lp->max_bw.header);
4194 if (TLV_TYPE(lp->max_rsv_bw) != 0)
4195 show_vty_link_subtlv_max_rsv_bw(vty,
4196 &lp->max_rsv_bw.header);
4197 if (TLV_TYPE(lp->unrsv_bw) != 0)
4198 show_vty_link_subtlv_unrsv_bw(vty,
4199 &lp->unrsv_bw.header);
4200 if (TLV_TYPE(lp->rsc_clsclr) != 0)
4201 show_vty_link_subtlv_rsc_clsclr(vty,
4202 &lp->rsc_clsclr.header);
4203 if (TLV_TYPE(lp->av_delay) != 0)
4204 show_vty_link_subtlv_av_delay(vty,
4205 &lp->av_delay.header);
4206 if (TLV_TYPE(lp->mm_delay) != 0)
4207 show_vty_link_subtlv_mm_delay(vty,
4208 &lp->mm_delay.header);
4209 if (TLV_TYPE(lp->delay_var) != 0)
4210 show_vty_link_subtlv_delay_var(vty,
4211 &lp->delay_var.header);
4212 if (TLV_TYPE(lp->pkt_loss) != 0)
4213 show_vty_link_subtlv_pkt_loss(vty,
4214 &lp->pkt_loss.header);
4215 if (TLV_TYPE(lp->res_bw) != 0)
4216 show_vty_link_subtlv_res_bw(vty, &lp->res_bw.header);
4217 if (TLV_TYPE(lp->ava_bw) != 0)
4218 show_vty_link_subtlv_ava_bw(vty, &lp->ava_bw.header);
4219 if (TLV_TYPE(lp->use_bw) != 0)
4220 show_vty_link_subtlv_use_bw(vty, &lp->use_bw.header);
4221 vty_out(vty, "---------------\n\n");
4222 } else {
4223 vty_out(vty, " %s: MPLS-TE is disabled on this interface\n",
4224 ifp->name);
4225 }
4226
4227 return;
718e3744 4228}
4229
16f1b9ee
OD		 4230DEFUN (show_ip_ospf_mpls_te_link,
4231 show_ip_ospf_mpls_te_link_cmd,
b5a8894d 4232 "show ip ospf [vrf <NAME|all>] mpls-te interface [INTERFACE]",
718e3744 4233 SHOW_STR
16f1b9ee
OD		 4234 IP_STR
4235 OSPF_STR
b5a8894d
CS		 4236 VRF_CMD_HELP_STR
4237 "All VRFs\n"
718e3744 4238 "MPLS-TE information\n"
4239 "Interface information\n"
4240 "Interface name\n")
4241{
f4e14fdb 4242 struct vrf *vrf;
03ed9f02
PG		 4243 int idx_interface = 0;
4244 struct interface *ifp = NULL;
f4e14fdb 4245 struct listnode *node;
b5a8894d 4246 char *vrf_name = NULL;
8da59e56 4247 bool all_vrf = false;
b5a8894d
CS		 4248 int inst = 0;
4249 int idx_vrf = 0;
4250 struct ospf *ospf = NULL;
4251
4252 if (argv_find(argv, argc, "vrf", &idx_vrf)) {
4253 vrf_name = argv[idx_vrf + 1]->arg;
4254 all_vrf = strmatch(vrf_name, "all");
4255 }
03ed9f02 4256 argv_find(argv, argc, "INTERFACE", &idx_interface);
b5a8894d
CS		 4257 /* vrf input is provided could be all or specific vrf*/
4258 if (vrf_name) {
4259 if (all_vrf) {
f4e14fdb 4260 for (ALL_LIST_ELEMENTS_RO(om->ospf, node, ospf)) {
b5a8894d
CS		 4261 if (!ospf->oi_running)
4262 continue;
f4e14fdb 4263 vrf = vrf_lookup_by_id(ospf->vrf_id);
451fda4f 4264 FOR_ALL_INTERFACES (vrf, ifp)
b5a8894d
CS		 4265 show_mpls_te_link_sub(vty, ifp);
4266 }
4267 return CMD_SUCCESS;
4268 }
996c9314 4269 ospf = ospf_lookup_by_inst_name(inst, vrf_name);
03ed9f02
PG		 4270 } else
4271 ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT);
4272 if (ospf == NULL || !ospf->oi_running)
b5a8894d 4273 return CMD_SUCCESS;
03ed9f02
PG		 4274
4275 vrf = vrf_lookup_by_id(ospf->vrf_id);
4276 if (!vrf)
4277 return CMD_SUCCESS;
4278 if (idx_interface) {
4279 ifp = if_lookup_by_name(
4280 argv[idx_interface]->arg,
a36898e7 4281 ospf->vrf_id);
03ed9f02
PG		 4282 if (ifp == NULL) {
4283 vty_out(vty, "No such interface name in vrf %s\n",
4284 vrf->name);
4285 return CMD_SUCCESS;
43b8d1d8 4286 }
d62a17ae 4287 }
03ed9f02
PG		 4288 if (!ifp) {
4289 FOR_ALL_INTERFACES (vrf, ifp)
d62a17ae 4290 show_mpls_te_link_sub(vty, ifp);
03ed9f02 4291 return CMD_SUCCESS;
d62a17ae 4292 }
4293
03ed9f02 4294 show_mpls_te_link_sub(vty, ifp);
d62a17ae 4295 return CMD_SUCCESS;
4296}
4297
f173deb3
OD		 4298DEFUN (show_ip_ospf_mpls_te_db,
4299 show_ip_ospf_mpls_te_db_cmd,
4300 "show ip ospf mpls-te database [<vertex [<self-originate|adv-router A.B.C.D>]|edge [A.B.C.D]|subnet [A.B.C.D/M]>] [verbose|json]",
4301 SHOW_STR
4302 IP_STR
4303 OSPF_STR
4304 "MPLS-TE information\n"
4305 "MPLS-TE database\n"
4306 "MPLS-TE Vertex\n"
4307 "Self-originated MPLS-TE router\n"
4308 "Advertised MPLS-TE router\n"
4309 "MPLS-TE router ID (as an IP address)\n"
4310 "MPLS-TE Edge\n"
4311 "MPLS-TE Edge ID (as an IP address)\n"
4312 "MPLS-TE Subnet\n"
4313 "MPLS-TE Subnet ID (as an IP prefix)\n"
4314 "Verbose output\n"
4315 JSON_STR)
4316{
4317 int idx = 0;
4318 struct in_addr ip_addr;
4319 struct prefix pref;
4320 struct ls_vertex *vertex;
4321 struct ls_edge *edge;
4322 struct ls_subnet *subnet;
4323 uint64_t key;
4324 bool verbose = false;
4325 bool uj = use_json(argc, argv);
4326 json_object *json = NULL;
4327
4328 if (!OspfMplsTE.enabled || !OspfMplsTE.ted) {
4329 vty_out(vty, "MPLS-TE database is not enabled\n");
4330 return CMD_WARNING;
4331 }
4332
4333 if (uj)
4334 json = json_object_new_object();
4335
4336 if (argv[argc - 1]->arg && strmatch(argv[argc - 1]->text, "verbose"))
4337 verbose = true;
4338
4339 idx = 5;
4340 if (argv_find(argv, argc, "vertex", &idx)) {
4341 /* Show Vertex */
4342 if (argv_find(argv, argc, "self-originate", &idx))
4343 vertex = OspfMplsTE.ted->self;
4344 else if (argv_find(argv, argc, "adv-router", &idx)) {
4345 if (!inet_aton(argv[idx + 1]->arg, &ip_addr)) {
4346 vty_out(vty,
4347 "Specified Router ID %s is invalid\n",
4348 argv[idx + 1]->arg);
4349 return CMD_WARNING_CONFIG_FAILED;
4350 }
4351 /* Get the Vertex from the Link State Database */
4352 key = ((uint64_t)ntohl(ip_addr.s_addr)) & 0xffffffff;
4353 vertex = ls_find_vertex_by_key(OspfMplsTE.ted, key);
4354 if (!vertex) {
4355 vty_out(vty, "No vertex found for ID %pI4\n",
4356 &ip_addr);
4357 return CMD_WARNING;
4358 }
4359 } else
4360 vertex = NULL;
4361
4362 if (vertex)
4363 ls_show_vertex(vertex, vty, json, verbose);
4364 else
4365 ls_show_vertices(OspfMplsTE.ted, vty, json, verbose);
4366
4367 } else if (argv_find(argv, argc, "edge", &idx)) {
4368 /* Show Edge */
4369 if (argv_find(argv, argc, "A.B.C.D", &idx)) {
4370 if (!inet_aton(argv[idx]->arg, &ip_addr)) {
4371 vty_out(vty,
4372 "Specified Edge ID %s is invalid\n",
4373 argv[idx]->arg);
4374 return CMD_WARNING_CONFIG_FAILED;
4375 }
4376 /* Get the Edge from the Link State Database */
4377 key = ((uint64_t)ntohl(ip_addr.s_addr)) & 0xffffffff;
4378 edge = ls_find_edge_by_key(OspfMplsTE.ted, key);
4379 if (!edge) {
4380 vty_out(vty, "No edge found for ID %pI4\n",
4381 &ip_addr);
4382 return CMD_WARNING;
4383 }
4384 } else
4385 edge = NULL;
4386
4387 if (edge)
4388 ls_show_edge(edge, vty, json, verbose);
4389 else
4390 ls_show_edges(OspfMplsTE.ted, vty, json, verbose);
4391
4392 } else if (argv_find(argv, argc, "subnet", &idx)) {
4393 /* Show Subnet */
4394 if (argv_find(argv, argc, "A.B.C.D/M", &idx)) {
4395 if (!str2prefix(argv[idx]->arg, &pref)) {
4396 vty_out(vty, "Invalid prefix format %s\n",
4397 argv[idx]->arg);
4398 return CMD_WARNING_CONFIG_FAILED;
4399 }
4400 /* Get the Subnet from the Link State Database */
4401 subnet = ls_find_subnet(OspfMplsTE.ted, pref);
4402 if (!subnet) {
4403 vty_out(vty, "No subnet found for ID %pFX\n",
4404 &pref);
4405 return CMD_WARNING;
4406 }
4407 } else
4408 subnet = NULL;
4409
4410 if (subnet)
4411 ls_show_subnet(subnet, vty, json, verbose);
4412 else
4413 ls_show_subnets(OspfMplsTE.ted, vty, json, verbose);
4414
4415 } else {
4416 /* Show the complete TED */
4417 ls_show_ted(OspfMplsTE.ted, vty, json, verbose);
4418 }
4419
c48349e3 4420 if (uj)
92ef0078 4421 vty_json(vty, json);
f173deb3
OD		 4422 return CMD_SUCCESS;
4423}
4424
d62a17ae 4425static void ospf_mpls_te_register_vty(void)
4426{
4427 install_element(VIEW_NODE, &show_ip_ospf_mpls_te_router_cmd);
4428 install_element(VIEW_NODE, &show_ip_ospf_mpls_te_link_cmd);
f173deb3 4429 install_element(VIEW_NODE, &show_ip_ospf_mpls_te_db_cmd);
d62a17ae 4430
4431 install_element(OSPF_NODE, &ospf_mpls_te_on_cmd);
4432 install_element(OSPF_NODE, &no_ospf_mpls_te_cmd);
4433 install_element(OSPF_NODE, &ospf_mpls_te_router_addr_cmd);
4434 install_element(OSPF_NODE, &ospf_mpls_te_inter_as_cmd);
4435 install_element(OSPF_NODE, &ospf_mpls_te_inter_as_area_cmd);
4436 install_element(OSPF_NODE, &no_ospf_mpls_te_inter_as_cmd);
f173deb3
OD		 4437 install_element(OSPF_NODE, &ospf_mpls_te_export_cmd);
4438 install_element(OSPF_NODE, &no_ospf_mpls_te_export_cmd);
d62a17ae 4439
4440 return;
718e3744 4441}
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