2 * This is an implementation of RFC3630
3 * Copyright (C) 2001 KDD R&D Laboratories, Inc.
4 * http://www.kddlabs.co.jp/
6 * Copyright (C) 2012 Orange Labs
7 * http://www.orange.com
9 * This file is part of GNU Zebra.
11 * GNU Zebra is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2, or (at your option) any
16 * GNU Zebra is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License along
22 * with this program; see the file COPYING; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
26 /* Add support of RFC7471 */
27 /* Add support of RFC5392, RFC6827 */
44 #include "sockunion.h" /* for inet_aton() */
47 #include "ospfd/ospfd.h"
48 #include "ospfd/ospf_interface.h"
49 #include "ospfd/ospf_ism.h"
50 #include "ospfd/ospf_asbr.h"
51 #include "ospfd/ospf_lsa.h"
52 #include "ospfd/ospf_lsdb.h"
53 #include "ospfd/ospf_neighbor.h"
54 #include "ospfd/ospf_nsm.h"
55 #include "ospfd/ospf_flood.h"
56 #include "ospfd/ospf_packet.h"
57 #include "ospfd/ospf_spf.h"
58 #include "ospfd/ospf_dump.h"
59 #include "ospfd/ospf_route.h"
60 #include "ospfd/ospf_ase.h"
61 #include "ospfd/ospf_zebra.h"
62 #include "ospfd/ospf_te.h"
63 #include "ospfd/ospf_vty.h"
66 * Global variable to manage Opaque-LSA/MPLS-TE on this node.
67 * Note that all parameter values are stored in network byte order.
69 struct ospf_mpls_te OspfMplsTE
;
71 const char *mode2text
[] = {"Off", "AS", "Area"};
73 /*------------------------------------------------------------------------*
74 * Followings are initialize/terminate functions for MPLS-TE handling.
75 *------------------------------------------------------------------------*/
77 static int ospf_mpls_te_new_if(struct interface
*ifp
);
78 static int ospf_mpls_te_del_if(struct interface
*ifp
);
79 static void ospf_mpls_te_ism_change(struct ospf_interface
*oi
, int old_status
);
80 static void ospf_mpls_te_nsm_change(struct ospf_neighbor
*nbr
, int old_status
);
81 static void ospf_mpls_te_config_write_router(struct vty
*vty
);
82 static void ospf_mpls_te_show_info(struct vty
*vty
, struct ospf_lsa
*lsa
);
83 static int ospf_mpls_te_lsa_originate_area(void *arg
);
84 static int ospf_mpls_te_lsa_originate_as(void *arg
);
85 static struct ospf_lsa
*ospf_mpls_te_lsa_refresh(struct ospf_lsa
*lsa
);
87 static void del_mpls_te_link(void *val
);
88 static void ospf_mpls_te_register_vty(void);
90 int ospf_mpls_te_init(void)
94 rc
= ospf_register_opaque_functab(
95 OSPF_OPAQUE_AREA_LSA
, OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA
,
96 ospf_mpls_te_new_if
, ospf_mpls_te_del_if
,
97 ospf_mpls_te_ism_change
, ospf_mpls_te_nsm_change
,
98 ospf_mpls_te_config_write_router
,
99 NULL
, /*ospf_mpls_te_config_write_if */
100 NULL
, /* ospf_mpls_te_config_write_debug */
101 ospf_mpls_te_show_info
, ospf_mpls_te_lsa_originate_area
,
102 ospf_mpls_te_lsa_refresh
, NULL
, /* ospf_mpls_te_new_lsa_hook */
103 NULL
/* ospf_mpls_te_del_lsa_hook */);
106 "ospf_mpls_te_init: Failed to register Traffic Engineering functions");
110 memset(&OspfMplsTE
, 0, sizeof(struct ospf_mpls_te
));
111 OspfMplsTE
.enabled
= false;
112 OspfMplsTE
.inter_as
= Off
;
113 OspfMplsTE
.iflist
= list_new();
114 OspfMplsTE
.iflist
->del
= del_mpls_te_link
;
116 ospf_mpls_te_register_vty();
121 /* Additional register for RFC5392 support */
122 static int ospf_mpls_te_register(enum inter_as_mode mode
)
127 if (OspfMplsTE
.inter_as
!= Off
)
131 scope
= OSPF_OPAQUE_AS_LSA
;
133 scope
= OSPF_OPAQUE_AREA_LSA
;
135 rc
= ospf_register_opaque_functab(scope
, OPAQUE_TYPE_INTER_AS_LSA
, NULL
,
136 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
137 ospf_mpls_te_show_info
,
138 ospf_mpls_te_lsa_originate_as
,
139 ospf_mpls_te_lsa_refresh
, NULL
, NULL
);
143 "ospf_router_info_init: Failed to register Inter-AS functions");
150 static int ospf_mpls_te_unregister()
154 if (OspfMplsTE
.inter_as
== Off
)
157 if (OspfMplsTE
.inter_as
== AS
)
158 scope
= OSPF_OPAQUE_AS_LSA
;
160 scope
= OSPF_OPAQUE_AREA_LSA
;
162 ospf_delete_opaque_functab(scope
, OPAQUE_TYPE_INTER_AS_LSA
);
167 void ospf_mpls_te_term(void)
169 list_delete_and_null(&OspfMplsTE
.iflist
);
171 ospf_delete_opaque_functab(OSPF_OPAQUE_AREA_LSA
,
172 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA
);
174 OspfMplsTE
.enabled
= false;
176 ospf_mpls_te_unregister();
177 OspfMplsTE
.inter_as
= Off
;
182 void ospf_mpls_te_finish(void)
184 // list_delete_all_node(OspfMplsTE.iflist);
186 OspfMplsTE
.enabled
= false;
187 OspfMplsTE
.inter_as
= Off
;
190 /*------------------------------------------------------------------------*
191 * Followings are control functions for MPLS-TE parameters management.
192 *------------------------------------------------------------------------*/
194 static void del_mpls_te_link(void *val
)
196 XFREE(MTYPE_OSPF_MPLS_TE
, val
);
200 static uint32_t get_mpls_te_instance_value(void)
202 static uint32_t seqno
= 0;
204 if (seqno
< MAX_LEGAL_TE_INSTANCE_NUM
)
207 seqno
= 1; /* Avoid zero. */
212 static struct mpls_te_link
*lookup_linkparams_by_ifp(struct interface
*ifp
)
214 struct listnode
*node
, *nnode
;
215 struct mpls_te_link
*lp
;
217 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
))
224 static struct mpls_te_link
*lookup_linkparams_by_instance(struct ospf_lsa
*lsa
)
226 struct listnode
*node
;
227 struct mpls_te_link
*lp
;
228 unsigned int key
= GET_OPAQUE_ID(ntohl(lsa
->data
->id
.s_addr
));
230 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE
.iflist
, node
, lp
))
231 if (lp
->instance
== key
)
234 zlog_warn("lookup_linkparams_by_instance: Entry not found: key(%x)",
239 static void ospf_mpls_te_foreach_area(
240 void (*func
)(struct mpls_te_link
*lp
, enum lsa_opcode sched_opcode
),
241 enum lsa_opcode sched_opcode
)
243 struct listnode
*node
, *nnode
;
244 struct listnode
*node2
;
245 struct mpls_te_link
*lp
;
246 struct ospf_area
*area
;
248 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
)) {
249 /* Skip Inter-AS TEv2 Links */
250 if (IS_INTER_AS(lp
->type
))
252 if ((area
= lp
->area
) == NULL
)
254 if (CHECK_FLAG(lp
->flags
, LPFLG_LOOKUP_DONE
))
258 (*func
)(lp
, sched_opcode
);
260 for (node2
= listnextnode(node
); node2
;
261 node2
= listnextnode(node2
))
262 if ((lp
= listgetdata(node2
)) != NULL
)
263 if (lp
->area
!= NULL
)
264 if (IPV4_ADDR_SAME(&lp
->area
->area_id
,
270 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE
.iflist
, node
, lp
))
271 if (lp
->area
!= NULL
)
272 UNSET_FLAG(lp
->flags
, LPFLG_LOOKUP_DONE
);
277 static void set_mpls_te_router_addr(struct in_addr ipv4
)
279 OspfMplsTE
.router_addr
.header
.type
= htons(TE_TLV_ROUTER_ADDR
);
280 OspfMplsTE
.router_addr
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
281 OspfMplsTE
.router_addr
.value
= ipv4
;
285 static void set_linkparams_link_header(struct mpls_te_link
*lp
)
289 /* TE_LINK_SUBTLV_LINK_TYPE */
290 if (ntohs(lp
->link_type
.header
.type
) != 0)
291 length
+= TLV_SIZE(&lp
->link_type
.header
);
293 /* TE_LINK_SUBTLV_LINK_ID */
294 if (ntohs(lp
->link_id
.header
.type
) != 0)
295 length
+= TLV_SIZE(&lp
->link_id
.header
);
297 /* TE_LINK_SUBTLV_LCLIF_IPADDR */
298 if (lp
->lclif_ipaddr
.header
.type
!= 0)
299 length
+= TLV_SIZE(&lp
->lclif_ipaddr
.header
);
301 /* TE_LINK_SUBTLV_RMTIF_IPADDR */
302 if (lp
->rmtif_ipaddr
.header
.type
!= 0)
303 length
+= TLV_SIZE(&lp
->rmtif_ipaddr
.header
);
305 /* TE_LINK_SUBTLV_TE_METRIC */
306 if (ntohs(lp
->te_metric
.header
.type
) != 0)
307 length
+= TLV_SIZE(&lp
->te_metric
.header
);
309 /* TE_LINK_SUBTLV_MAX_BW */
310 if (ntohs(lp
->max_bw
.header
.type
) != 0)
311 length
+= TLV_SIZE(&lp
->max_bw
.header
);
313 /* TE_LINK_SUBTLV_MAX_RSV_BW */
314 if (ntohs(lp
->max_rsv_bw
.header
.type
) != 0)
315 length
+= TLV_SIZE(&lp
->max_rsv_bw
.header
);
317 /* TE_LINK_SUBTLV_UNRSV_BW */
318 if (ntohs(lp
->unrsv_bw
.header
.type
) != 0)
319 length
+= TLV_SIZE(&lp
->unrsv_bw
.header
);
321 /* TE_LINK_SUBTLV_RSC_CLSCLR */
322 if (ntohs(lp
->rsc_clsclr
.header
.type
) != 0)
323 length
+= TLV_SIZE(&lp
->rsc_clsclr
.header
);
325 /* TE_LINK_SUBTLV_LLRI */
326 if (ntohs(lp
->llri
.header
.type
) != 0)
327 length
+= TLV_SIZE(&lp
->llri
.header
);
329 /* TE_LINK_SUBTLV_RIP */
330 if (ntohs(lp
->rip
.header
.type
) != 0)
331 length
+= TLV_SIZE(&lp
->rip
.header
);
333 /* TE_LINK_SUBTLV_RAS */
334 if (ntohs(lp
->ras
.header
.type
) != 0)
335 length
+= TLV_SIZE(&lp
->ras
.header
);
337 /* TE_LINK_SUBTLV_LRRID */
338 if (ntohs(lp
->lrrid
.header
.type
) != 0)
339 length
+= TLV_SIZE(&lp
->lrrid
.header
);
341 /* TE_LINK_SUBTLV_AV_DELAY */
342 if (ntohs(lp
->av_delay
.header
.type
) != 0)
343 length
+= TLV_SIZE(&lp
->av_delay
.header
);
345 /* TE_LINK_SUBTLV_MM_DELAY */
346 if (ntohs(lp
->mm_delay
.header
.type
) != 0)
347 length
+= TLV_SIZE(&lp
->mm_delay
.header
);
349 /* TE_LINK_SUBTLV_DELAY_VAR */
350 if (ntohs(lp
->delay_var
.header
.type
) != 0)
351 length
+= TLV_SIZE(&lp
->delay_var
.header
);
353 /* TE_LINK_SUBTLV_PKT_LOSS */
354 if (ntohs(lp
->pkt_loss
.header
.type
) != 0)
355 length
+= TLV_SIZE(&lp
->pkt_loss
.header
);
357 /* TE_LINK_SUBTLV_RES_BW */
358 if (ntohs(lp
->res_bw
.header
.type
) != 0)
359 length
+= TLV_SIZE(&lp
->res_bw
.header
);
361 /* TE_LINK_SUBTLV_AVA_BW */
362 if (ntohs(lp
->ava_bw
.header
.type
) != 0)
363 length
+= TLV_SIZE(&lp
->ava_bw
.header
);
365 /* TE_LINK_SUBTLV_USE_BW */
366 if (ntohs(lp
->use_bw
.header
.type
) != 0)
367 length
+= TLV_SIZE(&lp
->use_bw
.header
);
369 lp
->link_header
.header
.type
= htons(TE_TLV_LINK
);
370 lp
->link_header
.header
.length
= htons(length
);
375 static void set_linkparams_link_type(struct ospf_interface
*oi
,
376 struct mpls_te_link
*lp
)
378 lp
->link_type
.header
.type
= htons(TE_LINK_SUBTLV_LINK_TYPE
);
379 lp
->link_type
.header
.length
= htons(TE_LINK_SUBTLV_TYPE_SIZE
);
382 case OSPF_IFTYPE_POINTOPOINT
:
383 lp
->link_type
.link_type
.value
= LINK_TYPE_SUBTLV_VALUE_PTP
;
385 case OSPF_IFTYPE_BROADCAST
:
386 case OSPF_IFTYPE_NBMA
:
387 lp
->link_type
.link_type
.value
= LINK_TYPE_SUBTLV_VALUE_MA
;
390 /* Not supported yet. */ /* XXX */
391 lp
->link_type
.header
.type
= htons(0);
397 static void set_linkparams_link_id(struct ospf_interface
*oi
,
398 struct mpls_te_link
*lp
)
400 struct ospf_neighbor
*nbr
;
403 lp
->link_id
.header
.type
= htons(TE_LINK_SUBTLV_LINK_ID
);
404 lp
->link_id
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
407 * The Link ID is identical to the contents of the Link ID field
408 * in the Router LSA for these link types.
411 case OSPF_IFTYPE_POINTOPOINT
:
412 /* Take the router ID of the neighbor. */
413 if ((nbr
= ospf_nbr_lookup_ptop(oi
))
414 && nbr
->state
== NSM_Full
) {
415 lp
->link_id
.value
= nbr
->router_id
;
419 case OSPF_IFTYPE_BROADCAST
:
420 case OSPF_IFTYPE_NBMA
:
421 /* Take the interface address of the designated router. */
422 if ((nbr
= ospf_nbr_lookup_by_addr(oi
->nbrs
, &DR(oi
))) == NULL
)
425 if (nbr
->state
== NSM_Full
426 || (IPV4_ADDR_SAME(&oi
->address
->u
.prefix4
, &DR(oi
))
427 && ospf_nbr_count(oi
, NSM_Full
) > 0)) {
428 lp
->link_id
.value
= DR(oi
);
433 /* Not supported yet. */ /* XXX */
434 lp
->link_id
.header
.type
= htons(0);
440 masklen2ip(oi
->address
->prefixlen
, &mask
);
441 lp
->link_id
.value
.s_addr
=
442 oi
->address
->u
.prefix4
.s_addr
& mask
.s_addr
;
447 static void set_linkparams_lclif_ipaddr(struct mpls_te_link
*lp
,
448 struct in_addr lclif
)
451 lp
->lclif_ipaddr
.header
.type
= htons(TE_LINK_SUBTLV_LCLIF_IPADDR
);
452 lp
->lclif_ipaddr
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
453 lp
->lclif_ipaddr
.value
[0] = lclif
;
457 static void set_linkparams_rmtif_ipaddr(struct mpls_te_link
*lp
,
458 struct in_addr rmtif
)
461 lp
->rmtif_ipaddr
.header
.type
= htons(TE_LINK_SUBTLV_RMTIF_IPADDR
);
462 lp
->rmtif_ipaddr
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
463 lp
->rmtif_ipaddr
.value
[0] = rmtif
;
467 static void set_linkparams_te_metric(struct mpls_te_link
*lp
,
470 lp
->te_metric
.header
.type
= htons(TE_LINK_SUBTLV_TE_METRIC
);
471 lp
->te_metric
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
472 lp
->te_metric
.value
= htonl(te_metric
);
476 static void set_linkparams_max_bw(struct mpls_te_link
*lp
, float fp
)
478 lp
->max_bw
.header
.type
= htons(TE_LINK_SUBTLV_MAX_BW
);
479 lp
->max_bw
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
480 lp
->max_bw
.value
= htonf(fp
);
484 static void set_linkparams_max_rsv_bw(struct mpls_te_link
*lp
, float fp
)
486 lp
->max_rsv_bw
.header
.type
= htons(TE_LINK_SUBTLV_MAX_RSV_BW
);
487 lp
->max_rsv_bw
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
488 lp
->max_rsv_bw
.value
= htonf(fp
);
492 static void set_linkparams_unrsv_bw(struct mpls_te_link
*lp
, int priority
,
495 /* Note that TLV-length field is the size of array. */
496 lp
->unrsv_bw
.header
.type
= htons(TE_LINK_SUBTLV_UNRSV_BW
);
497 lp
->unrsv_bw
.header
.length
= htons(TE_LINK_SUBTLV_UNRSV_SIZE
);
498 lp
->unrsv_bw
.value
[priority
] = htonf(fp
);
502 static void set_linkparams_rsc_clsclr(struct mpls_te_link
*lp
,
505 lp
->rsc_clsclr
.header
.type
= htons(TE_LINK_SUBTLV_RSC_CLSCLR
);
506 lp
->rsc_clsclr
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
507 lp
->rsc_clsclr
.value
= htonl(classcolor
);
511 static void set_linkparams_inter_as(struct mpls_te_link
*lp
,
512 struct in_addr addr
, uint32_t as
)
515 /* Set the Remote ASBR IP address and then the associated AS number */
516 lp
->rip
.header
.type
= htons(TE_LINK_SUBTLV_RIP
);
517 lp
->rip
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
518 lp
->rip
.value
= addr
;
520 lp
->ras
.header
.type
= htons(TE_LINK_SUBTLV_RAS
);
521 lp
->ras
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
522 lp
->ras
.value
= htonl(as
);
525 static void unset_linkparams_inter_as(struct mpls_te_link
*lp
)
528 /* Reset the Remote ASBR IP address and then the associated AS number */
529 lp
->rip
.header
.type
= htons(0);
530 lp
->rip
.header
.length
= htons(0);
531 lp
->rip
.value
.s_addr
= htonl(0);
533 lp
->ras
.header
.type
= htons(0);
534 lp
->ras
.header
.length
= htons(0);
535 lp
->ras
.value
= htonl(0);
538 void set_linkparams_llri(struct mpls_te_link
*lp
, uint32_t local
,
542 lp
->llri
.header
.type
= htons(TE_LINK_SUBTLV_LLRI
);
543 lp
->llri
.header
.length
= htons(TE_LINK_SUBTLV_LLRI_SIZE
);
544 lp
->llri
.local
= htonl(local
);
545 lp
->llri
.remote
= htonl(remote
);
548 void set_linkparams_lrrid(struct mpls_te_link
*lp
, struct in_addr local
,
549 struct in_addr remote
)
552 lp
->lrrid
.header
.type
= htons(TE_LINK_SUBTLV_LRRID
);
553 lp
->lrrid
.header
.length
= htons(TE_LINK_SUBTLV_LRRID_SIZE
);
554 lp
->lrrid
.local
.s_addr
= local
.s_addr
;
555 lp
->lrrid
.remote
.s_addr
= remote
.s_addr
;
558 static void set_linkparams_av_delay(struct mpls_te_link
*lp
, uint32_t delay
,
562 /* Note that TLV-length field is the size of array. */
563 lp
->av_delay
.header
.type
= htons(TE_LINK_SUBTLV_AV_DELAY
);
564 lp
->av_delay
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
565 tmp
= delay
& TE_EXT_MASK
;
567 tmp
|= TE_EXT_ANORMAL
;
568 lp
->av_delay
.value
= htonl(tmp
);
572 static void set_linkparams_mm_delay(struct mpls_te_link
*lp
, uint32_t low
,
573 uint32_t high
, uint8_t anormal
)
576 /* Note that TLV-length field is the size of array. */
577 lp
->mm_delay
.header
.type
= htons(TE_LINK_SUBTLV_MM_DELAY
);
578 lp
->mm_delay
.header
.length
= htons(TE_LINK_SUBTLV_MM_DELAY_SIZE
);
579 tmp
= low
& TE_EXT_MASK
;
581 tmp
|= TE_EXT_ANORMAL
;
582 lp
->mm_delay
.low
= htonl(tmp
);
583 lp
->mm_delay
.high
= htonl(high
);
587 static void set_linkparams_delay_var(struct mpls_te_link
*lp
, uint32_t jitter
)
589 /* Note that TLV-length field is the size of array. */
590 lp
->delay_var
.header
.type
= htons(TE_LINK_SUBTLV_DELAY_VAR
);
591 lp
->delay_var
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
592 lp
->delay_var
.value
= htonl(jitter
& TE_EXT_MASK
);
596 static void set_linkparams_pkt_loss(struct mpls_te_link
*lp
, uint32_t loss
,
600 /* Note that TLV-length field is the size of array. */
601 lp
->pkt_loss
.header
.type
= htons(TE_LINK_SUBTLV_PKT_LOSS
);
602 lp
->pkt_loss
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
603 tmp
= loss
& TE_EXT_MASK
;
605 tmp
|= TE_EXT_ANORMAL
;
606 lp
->pkt_loss
.value
= htonl(tmp
);
610 static void set_linkparams_res_bw(struct mpls_te_link
*lp
, float fp
)
612 /* Note that TLV-length field is the size of array. */
613 lp
->res_bw
.header
.type
= htons(TE_LINK_SUBTLV_RES_BW
);
614 lp
->res_bw
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
615 lp
->res_bw
.value
= htonf(fp
);
619 static void set_linkparams_ava_bw(struct mpls_te_link
*lp
, float fp
)
621 /* Note that TLV-length field is the size of array. */
622 lp
->ava_bw
.header
.type
= htons(TE_LINK_SUBTLV_AVA_BW
);
623 lp
->ava_bw
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
624 lp
->ava_bw
.value
= htonf(fp
);
628 static void set_linkparams_use_bw(struct mpls_te_link
*lp
, float fp
)
630 /* Note that TLV-length field is the size of array. */
631 lp
->use_bw
.header
.type
= htons(TE_LINK_SUBTLV_USE_BW
);
632 lp
->use_bw
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
633 lp
->use_bw
.value
= htonf(fp
);
637 /* Update TE parameters from Interface */
638 static void update_linkparams(struct mpls_te_link
*lp
)
641 struct interface
*ifp
;
643 /* Get the Interface structure */
644 if ((ifp
= lp
->ifp
) == NULL
) {
645 if (IS_DEBUG_OSPF_TE
)
647 "OSPF MPLS-TE: Abort update TE parameters: no interface associated to Link Parameters");
650 if (!HAS_LINK_PARAMS(ifp
)) {
651 if (IS_DEBUG_OSPF_TE
)
653 "OSPF MPLS-TE: Abort update TE parameters: no Link Parameters for interface");
657 /* RFC3630 metrics */
658 if (IS_PARAM_SET(ifp
->link_params
, LP_ADM_GRP
))
659 set_linkparams_rsc_clsclr(lp
, ifp
->link_params
->admin_grp
);
661 TLV_TYPE(lp
->rsc_clsclr
) = 0;
663 if (IS_PARAM_SET(ifp
->link_params
, LP_MAX_BW
))
664 set_linkparams_max_bw(lp
, ifp
->link_params
->max_bw
);
666 TLV_TYPE(lp
->max_bw
) = 0;
668 if (IS_PARAM_SET(ifp
->link_params
, LP_MAX_RSV_BW
))
669 set_linkparams_max_rsv_bw(lp
, ifp
->link_params
->max_rsv_bw
);
671 TLV_TYPE(lp
->max_rsv_bw
) = 0;
673 if (IS_PARAM_SET(ifp
->link_params
, LP_UNRSV_BW
))
674 for (i
= 0; i
< MAX_CLASS_TYPE
; i
++)
675 set_linkparams_unrsv_bw(lp
, i
,
676 ifp
->link_params
->unrsv_bw
[i
]);
678 TLV_TYPE(lp
->unrsv_bw
) = 0;
680 if (IS_PARAM_SET(ifp
->link_params
, LP_TE_METRIC
))
681 set_linkparams_te_metric(lp
, ifp
->link_params
->te_metric
);
683 TLV_TYPE(lp
->te_metric
) = 0;
685 /* TE metric Extensions */
686 if (IS_PARAM_SET(ifp
->link_params
, LP_DELAY
))
687 set_linkparams_av_delay(lp
, ifp
->link_params
->av_delay
, 0);
689 TLV_TYPE(lp
->av_delay
) = 0;
691 if (IS_PARAM_SET(ifp
->link_params
, LP_MM_DELAY
))
692 set_linkparams_mm_delay(lp
, ifp
->link_params
->min_delay
,
693 ifp
->link_params
->max_delay
, 0);
695 TLV_TYPE(lp
->mm_delay
) = 0;
697 if (IS_PARAM_SET(ifp
->link_params
, LP_DELAY_VAR
))
698 set_linkparams_delay_var(lp
, ifp
->link_params
->delay_var
);
700 TLV_TYPE(lp
->delay_var
) = 0;
702 if (IS_PARAM_SET(ifp
->link_params
, LP_PKT_LOSS
))
703 set_linkparams_pkt_loss(lp
, ifp
->link_params
->pkt_loss
, 0);
705 TLV_TYPE(lp
->pkt_loss
) = 0;
707 if (IS_PARAM_SET(ifp
->link_params
, LP_RES_BW
))
708 set_linkparams_res_bw(lp
, ifp
->link_params
->res_bw
);
710 TLV_TYPE(lp
->res_bw
) = 0;
712 if (IS_PARAM_SET(ifp
->link_params
, LP_AVA_BW
))
713 set_linkparams_ava_bw(lp
, ifp
->link_params
->ava_bw
);
715 TLV_TYPE(lp
->ava_bw
) = 0;
717 if (IS_PARAM_SET(ifp
->link_params
, LP_USE_BW
))
718 set_linkparams_use_bw(lp
, ifp
->link_params
->use_bw
);
720 TLV_TYPE(lp
->use_bw
) = 0;
723 if (IS_PARAM_SET(ifp
->link_params
, LP_RMT_AS
)) {
724 /* Flush LSA if it engaged and was previously a STD_TE one */
725 if (IS_STD_TE(lp
->type
)
726 && CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
)) {
727 if (IS_DEBUG_OSPF_TE
)
729 "OSPF MPLS-TE Update IF: Switch from Standard LSA to INTER-AS for %s[%d/%d]",
730 ifp
->name
, lp
->flags
, lp
->type
);
732 ospf_mpls_te_lsa_schedule(lp
, FLUSH_THIS_LSA
);
733 /* Then, switch it to INTER-AS */
734 if (OspfMplsTE
.inter_as
== AS
)
735 lp
->flags
= INTER_AS
| FLOOD_AS
;
737 lp
->flags
= INTER_AS
| FLOOD_AREA
;
738 lp
->area
= ospf_area_lookup_by_area_id(
739 ospf_lookup_by_vrf_id(VRF_DEFAULT
),
740 OspfMplsTE
.interas_areaid
);
743 set_linkparams_inter_as(lp
, ifp
->link_params
->rmt_ip
,
744 ifp
->link_params
->rmt_as
);
746 if (IS_DEBUG_OSPF_TE
)
748 "OSPF MPLS-TE Update IF: Switch from INTER-AS LSA to Standard for %s[%d/%d]",
749 ifp
->name
, lp
->flags
, lp
->type
);
751 /* reset inter-as TE params */
752 /* Flush LSA if it engaged and was previously an INTER_AS one */
753 if (IS_INTER_AS(lp
->type
)
754 && CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
)) {
755 ospf_mpls_te_lsa_schedule(lp
, FLUSH_THIS_LSA
);
756 /* Then, switch it to Standard TE */
757 lp
->flags
= STD_TE
| FLOOD_AREA
;
759 unset_linkparams_inter_as(lp
);
763 static void initialize_linkparams(struct mpls_te_link
*lp
)
765 struct interface
*ifp
= lp
->ifp
;
766 struct ospf_interface
*oi
= NULL
;
767 struct route_node
*rn
;
769 if (IS_DEBUG_OSPF_TE
)
771 "MPLS-TE(initialize_linkparams) Initialize Link Parameters for interface %s",
774 /* Search OSPF Interface parameters for this interface */
775 for (rn
= route_top(IF_OIFS(ifp
)); rn
; rn
= route_next(rn
)) {
777 if ((oi
= rn
->info
) == NULL
)
784 if ((oi
== NULL
) || (oi
->ifp
!= ifp
)) {
785 if (IS_DEBUG_OSPF_TE
)
787 "MPLS-TE(initialize_linkparams) Could not find corresponding OSPF Interface for %s",
793 * Try to set initial values those can be derived from
794 * zebra-interface information.
796 set_linkparams_link_type(oi
, lp
);
798 /* Set local IP addr */
799 set_linkparams_lclif_ipaddr(lp
, oi
->address
->u
.prefix4
);
801 /* Set Remote IP addr if Point to Point Interface */
802 if (oi
->type
== OSPF_IFTYPE_POINTOPOINT
) {
803 struct prefix
*pref
= CONNECTED_PREFIX(oi
->connected
);
805 set_linkparams_rmtif_ipaddr(lp
, pref
->u
.prefix4
);
808 /* Keep Area information in combination with link parameters. */
814 static int is_mandated_params_set(struct mpls_te_link
*lp
)
818 if (ntohs(OspfMplsTE
.router_addr
.header
.type
) == 0) {
820 "MPLS-TE(is_mandated_params_set) Missing Router Address");
824 if (ntohs(lp
->link_type
.header
.type
) == 0) {
825 zlog_warn("MPLS-TE(is_mandated_params_set) Missing Link Type");
829 if (!IS_INTER_AS(lp
->type
) && (ntohs(lp
->link_id
.header
.type
) == 0)) {
830 zlog_warn("MPLS-TE(is_mandated_params_set) Missing Link ID");
838 /*------------------------------------------------------------------------*
839 * Followings are callback functions against generic Opaque-LSAs handling.
840 *------------------------------------------------------------------------*/
842 static int ospf_mpls_te_new_if(struct interface
*ifp
)
844 struct mpls_te_link
*new;
847 if (IS_DEBUG_OSPF_TE
)
849 "MPLS-TE(ospf_mpls_te_new_if) Add new %s interface %s to MPLS-TE list",
850 ifp
->link_params
? "Active" : "Inactive", ifp
->name
);
852 if (lookup_linkparams_by_ifp(ifp
) != NULL
) {
853 zlog_warn("ospf_mpls_te_new_if: ifp(%p) already in use?",
855 rc
= 0; /* Do nothing here. */
859 new = XCALLOC(MTYPE_OSPF_MPLS_TE
, sizeof(struct mpls_te_link
));
861 zlog_warn("ospf_mpls_te_new_if: XMALLOC: %s",
862 safe_strerror(errno
));
866 new->instance
= get_mpls_te_instance_value();
868 /* By default TE-Link is RFC3630 compatible flooding in Area and not
870 /* This default behavior will be adapted with call to
871 * ospf_mpls_te_update_if() */
872 new->type
= STD_TE
| FLOOD_AREA
;
873 new->flags
= LPFLG_LSA_INACTIVE
;
875 /* Initialize Link Parameters from Interface */
876 initialize_linkparams(new);
878 /* Set TE Parameters from Interface */
879 update_linkparams(new);
881 /* Add Link Parameters structure to the list */
882 listnode_add(OspfMplsTE
.iflist
, new);
884 if (IS_DEBUG_OSPF_TE
)
886 "OSPF MPLS-TE New IF: Add new LP context for %s[%d/%d]",
887 ifp
->name
, new->flags
, new->type
);
889 /* Schedule Opaque-LSA refresh. */ /* XXX */
895 static int ospf_mpls_te_del_if(struct interface
*ifp
)
897 struct mpls_te_link
*lp
;
900 if ((lp
= lookup_linkparams_by_ifp(ifp
)) != NULL
) {
901 struct list
*iflist
= OspfMplsTE
.iflist
;
903 /* Dequeue listnode entry from the list. */
904 listnode_delete(iflist
, lp
);
906 /* Avoid misjudgement in the next lookup. */
907 if (listcount(iflist
) == 0)
908 iflist
->head
= iflist
->tail
= NULL
;
910 XFREE(MTYPE_OSPF_MPLS_TE
, lp
);
913 /* Schedule Opaque-LSA refresh. */ /* XXX */
919 /* Main initialization / update function of the MPLS TE Link context */
921 /* Call when interface TE Link parameters are modified */
922 void ospf_mpls_te_update_if(struct interface
*ifp
)
924 struct mpls_te_link
*lp
;
926 if (IS_DEBUG_OSPF_TE
)
928 "OSPF MPLS-TE: Update LSA parameters for interface %s [%s]",
929 ifp
->name
, HAS_LINK_PARAMS(ifp
) ? "ON" : "OFF");
931 /* Get Link context from interface */
932 if ((lp
= lookup_linkparams_by_ifp(ifp
)) == NULL
) {
934 "OSPF MPLS-TE Update: Did not find Link Parameters context for interface %s",
939 /* Fulfill MPLS-TE Link TLV from Interface TE Link parameters */
940 if (HAS_LINK_PARAMS(ifp
)) {
941 SET_FLAG(lp
->flags
, LPFLG_LSA_ACTIVE
);
943 /* Update TE parameters */
944 update_linkparams(lp
);
946 /* Finally Re-Originate or Refresh Opaque LSA if MPLS_TE is
948 if (OspfMplsTE
.enabled
)
949 if (lp
->area
!= NULL
) {
950 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
))
951 ospf_mpls_te_lsa_schedule(
952 lp
, REFRESH_THIS_LSA
);
954 ospf_mpls_te_lsa_schedule(
955 lp
, REORIGINATE_THIS_LSA
);
958 /* If MPLS TE is disable on this interface, flush LSA if it is
960 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
))
961 ospf_mpls_te_lsa_schedule(lp
, FLUSH_THIS_LSA
);
963 /* Reset Activity flag */
964 lp
->flags
= LPFLG_LSA_INACTIVE
;
970 static void ospf_mpls_te_ism_change(struct ospf_interface
*oi
, int old_state
)
972 struct te_link_subtlv_link_type old_type
;
973 struct te_link_subtlv_link_id old_id
;
974 struct mpls_te_link
*lp
;
976 if ((lp
= lookup_linkparams_by_ifp(oi
->ifp
)) == NULL
) {
978 "ospf_mpls_te_ism_change: Cannot get linkparams from OI(%s)?",
983 if (oi
->area
== NULL
|| oi
->area
->ospf
== NULL
) {
985 "ospf_mpls_te_ism_change: Cannot refer to OSPF from OI(%s)?",
990 if ((lp
->area
!= NULL
991 && !IPV4_ADDR_SAME(&lp
->area
->area_id
, &oi
->area
->area_id
))
992 || (lp
->area
!= NULL
&& oi
->area
== NULL
)) {
993 /* How should we consider this case? */
995 "MPLS-TE: Area for OI(%s) has changed to [%s], flush previous LSAs",
997 oi
->area
? inet_ntoa(oi
->area
->area_id
) : "N/A");
998 ospf_mpls_te_lsa_schedule(lp
, FLUSH_THIS_LSA
);
1001 /* Keep Area information in combination with linkparams. */
1002 lp
->area
= oi
->area
;
1004 /* Keep interface MPLS-TE status */
1005 lp
->flags
= HAS_LINK_PARAMS(oi
->ifp
);
1007 switch (oi
->state
) {
1008 case ISM_PointToPoint
:
1012 old_type
= lp
->link_type
;
1013 old_id
= lp
->link_id
;
1015 /* Set Link type, Link ID, Local and Remote IP addr */
1016 set_linkparams_link_type(oi
, lp
);
1017 set_linkparams_link_id(oi
, lp
);
1018 set_linkparams_lclif_ipaddr(lp
, oi
->address
->u
.prefix4
);
1020 if (oi
->type
== LINK_TYPE_SUBTLV_VALUE_PTP
) {
1021 struct prefix
*pref
= CONNECTED_PREFIX(oi
->connected
);
1023 set_linkparams_rmtif_ipaddr(lp
,
1027 /* Update TE parameters */
1028 update_linkparams(lp
);
1030 /* Try to Schedule LSA */
1031 if ((ntohs(old_type
.header
.type
)
1032 != ntohs(lp
->link_type
.header
.type
)
1033 || old_type
.link_type
.value
1034 != lp
->link_type
.link_type
.value
)
1035 || (ntohs(old_id
.header
.type
)
1036 != ntohs(lp
->link_id
.header
.type
)
1037 || ntohl(old_id
.value
.s_addr
)
1038 != ntohl(lp
->link_id
.value
.s_addr
))) {
1039 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
))
1040 ospf_mpls_te_lsa_schedule(lp
, REFRESH_THIS_LSA
);
1042 ospf_mpls_te_lsa_schedule(lp
,
1043 REORIGINATE_THIS_LSA
);
1047 lp
->link_type
.header
.type
= htons(0);
1048 lp
->link_id
.header
.type
= htons(0);
1050 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
))
1051 ospf_mpls_te_lsa_schedule(lp
, FLUSH_THIS_LSA
);
1058 static void ospf_mpls_te_nsm_change(struct ospf_neighbor
*nbr
, int old_state
)
1060 /* Nothing to do here */
1064 /*------------------------------------------------------------------------*
1065 * Followings are OSPF protocol processing functions for MPLS-TE.
1066 *------------------------------------------------------------------------*/
1068 static void build_tlv_header(struct stream
*s
, struct tlv_header
*tlvh
)
1070 stream_put(s
, tlvh
, sizeof(struct tlv_header
));
1074 static void build_router_tlv(struct stream
*s
)
1076 struct tlv_header
*tlvh
= &OspfMplsTE
.router_addr
.header
;
1077 if (ntohs(tlvh
->type
) != 0) {
1078 build_tlv_header(s
, tlvh
);
1079 stream_put(s
, TLV_DATA(tlvh
), TLV_BODY_SIZE(tlvh
));
1084 static void build_link_subtlv(struct stream
*s
, struct tlv_header
*tlvh
)
1087 if ((tlvh
!= NULL
) && (ntohs(tlvh
->type
) != 0)) {
1088 build_tlv_header(s
, tlvh
);
1089 stream_put(s
, TLV_DATA(tlvh
), TLV_BODY_SIZE(tlvh
));
1094 static void build_link_tlv(struct stream
*s
, struct mpls_te_link
*lp
)
1096 set_linkparams_link_header(lp
);
1097 build_tlv_header(s
, &lp
->link_header
.header
);
1099 build_link_subtlv(s
, &lp
->link_type
.header
);
1100 build_link_subtlv(s
, &lp
->link_id
.header
);
1101 build_link_subtlv(s
, &lp
->lclif_ipaddr
.header
);
1102 build_link_subtlv(s
, &lp
->rmtif_ipaddr
.header
);
1103 build_link_subtlv(s
, &lp
->te_metric
.header
);
1104 build_link_subtlv(s
, &lp
->max_bw
.header
);
1105 build_link_subtlv(s
, &lp
->max_rsv_bw
.header
);
1106 build_link_subtlv(s
, &lp
->unrsv_bw
.header
);
1107 build_link_subtlv(s
, &lp
->rsc_clsclr
.header
);
1108 build_link_subtlv(s
, &lp
->lrrid
.header
);
1109 build_link_subtlv(s
, &lp
->llri
.header
);
1110 build_link_subtlv(s
, &lp
->rip
.header
);
1111 build_link_subtlv(s
, &lp
->ras
.header
);
1112 build_link_subtlv(s
, &lp
->av_delay
.header
);
1113 build_link_subtlv(s
, &lp
->mm_delay
.header
);
1114 build_link_subtlv(s
, &lp
->delay_var
.header
);
1115 build_link_subtlv(s
, &lp
->pkt_loss
.header
);
1116 build_link_subtlv(s
, &lp
->res_bw
.header
);
1117 build_link_subtlv(s
, &lp
->ava_bw
.header
);
1118 build_link_subtlv(s
, &lp
->use_bw
.header
);
1123 static void ospf_mpls_te_lsa_body_set(struct stream
*s
, struct mpls_te_link
*lp
)
1126 * The router address TLV is type 1, and ...
1127 * It must appear in exactly one
1128 * Traffic Engineering LSA originated by a router.
1130 build_router_tlv(s
);
1133 * Only one Link TLV shall be carried in each LSA, allowing for fine
1134 * granularity changes in topology.
1136 build_link_tlv(s
, lp
);
1140 /* Create new opaque-LSA. */
1141 static struct ospf_lsa
*ospf_mpls_te_lsa_new(struct ospf
*ospf
,
1142 struct ospf_area
*area
,
1143 struct mpls_te_link
*lp
)
1146 struct lsa_header
*lsah
;
1147 struct ospf_lsa
*new = NULL
;
1148 uint8_t options
, lsa_type
= 0;
1149 struct in_addr lsa_id
;
1153 /* Create a stream for LSA. */
1154 if ((s
= stream_new(OSPF_MAX_LSA_SIZE
)) == NULL
) {
1155 zlog_warn("ospf_mpls_te_lsa_new: stream_new() ?");
1158 lsah
= (struct lsa_header
*)STREAM_DATA(s
);
1160 options
= OSPF_OPTION_O
; /* Don't forget this :-) */
1162 /* Set opaque-LSA header fields depending of the type of RFC */
1163 if (IS_INTER_AS(lp
->type
)) {
1164 if (IS_FLOOD_AS(lp
->type
)) {
1165 /* Enable AS external as we flood Inter-AS with Opaque
1168 options
|= OSPF_OPTION_E
;
1169 lsa_type
= OSPF_OPAQUE_AS_LSA
;
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
;
1176 tmp
= SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA
, lp
->instance
);
1177 lsa_id
.s_addr
= htonl(tmp
);
1184 lsa_header_set(s
, options
, lsa_type
, lsa_id
, ospf
->router_id
);
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
,
1191 lsa_id
.s_addr
= htonl(tmp
);
1192 lsa_header_set(s
, options
, lsa_type
, lsa_id
,
1193 area
->ospf
->router_id
);
1196 if (IS_DEBUG_OSPF(lsa
, LSA_GENERATE
))
1198 "LSA[Type%d:%s]: Create an Opaque-LSA/MPLS-TE instance",
1199 lsa_type
, inet_ntoa(lsa_id
));
1201 /* Set opaque-LSA body fields. */
1202 ospf_mpls_te_lsa_body_set(s
, lp
);
1205 length
= stream_get_endp(s
);
1206 lsah
->length
= htons(length
);
1208 /* Now, create an OSPF LSA instance. */
1209 if ((new = ospf_lsa_new()) == NULL
) {
1210 zlog_warn("%s: ospf_lsa_new() ?", __func__
);
1214 if ((new->data
= ospf_lsa_data_new(length
)) == NULL
) {
1215 zlog_warn("%s: ospf_lsa_data_new() ?", __func__
);
1216 ospf_lsa_unlock(&new);
1222 new->vrf_id
= ospf
->vrf_id
;
1223 if (area
&& area
->ospf
)
1224 new->vrf_id
= area
->ospf
->vrf_id
;
1226 SET_FLAG(new->flags
, OSPF_LSA_SELF
);
1227 memcpy(new->data
, lsah
, length
);
1233 static int ospf_mpls_te_lsa_originate1(struct ospf_area
*area
,
1234 struct mpls_te_link
*lp
)
1236 struct ospf_lsa
*new = NULL
;
1239 /* Create new Opaque-LSA/MPLS-TE instance. */
1240 new = ospf_mpls_te_lsa_new(area
->ospf
, area
, lp
);
1243 "ospf_mpls_te_lsa_originate1: ospf_mpls_te_lsa_new() ?");
1247 /* Install this LSA into LSDB. */
1248 if (ospf_lsa_install(area
->ospf
, NULL
/*oi*/, new) == NULL
) {
1249 zlog_warn("ospf_mpls_te_lsa_originate1: ospf_lsa_install() ?");
1250 ospf_lsa_unlock(&new);
1254 /* Now this link-parameter entry has associated LSA. */
1255 SET_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
);
1256 /* Update new LSA origination count. */
1257 area
->ospf
->lsa_originate_count
++;
1259 /* Flood new LSA through area. */
1260 ospf_flood_through_area(area
, NULL
/*nbr*/, new);
1262 if (IS_DEBUG_OSPF(lsa
, LSA_GENERATE
)) {
1263 char area_id
[INET_ADDRSTRLEN
];
1264 strlcpy(area_id
, inet_ntoa(area
->area_id
), sizeof(area_id
));
1266 "LSA[Type%d:%s]: Originate Opaque-LSA/MPLS-TE: Area(%s), Link(%s)",
1267 new->data
->type
, inet_ntoa(new->data
->id
), area_id
,
1269 ospf_lsa_header_dump(new->data
);
1276 static int ospf_mpls_te_lsa_originate_area(void *arg
)
1278 struct ospf_area
*area
= (struct ospf_area
*)arg
;
1279 struct listnode
*node
, *nnode
;
1280 struct mpls_te_link
*lp
;
1283 if (!OspfMplsTE
.enabled
) {
1285 "ospf_mpls_te_lsa_originate_area: MPLS-TE is disabled now.");
1286 rc
= 0; /* This is not an error case. */
1290 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
)) {
1291 /* Process only enabled LSA with area scope flooding */
1292 if (!CHECK_FLAG(lp
->flags
, LPFLG_LSA_ACTIVE
)
1293 || IS_FLOOD_AS(lp
->type
))
1296 if (lp
->area
== NULL
)
1299 if (!IPV4_ADDR_SAME(&lp
->area
->area_id
, &area
->area_id
))
1302 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
)) {
1303 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_FORCED_REFRESH
)) {
1304 UNSET_FLAG(lp
->flags
, LPFLG_LSA_FORCED_REFRESH
);
1306 "OSPF MPLS-TE (ospf_mpls_te_lsa_originate_area): Refresh instead of Originate");
1307 ospf_mpls_te_lsa_schedule(lp
, REFRESH_THIS_LSA
);
1312 if (!is_mandated_params_set(lp
)) {
1314 "ospf_mpls_te_lsa_originate_area: Link(%s) lacks some mandated MPLS-TE parameters.",
1315 lp
->ifp
? lp
->ifp
->name
: "?");
1319 /* Ok, let's try to originate an LSA for this area and Link. */
1320 if (IS_DEBUG_OSPF_TE
)
1322 "MPLS-TE(ospf_mpls_te_lsa_originate_area) Let's finally reoriginate the LSA %d through the Area %s for Link %s",
1323 lp
->instance
, inet_ntoa(area
->area_id
),
1324 lp
->ifp
? lp
->ifp
->name
: "?");
1325 if (ospf_mpls_te_lsa_originate1(area
, lp
) != 0)
1333 static int ospf_mpls_te_lsa_originate2(struct ospf
*top
,
1334 struct mpls_te_link
*lp
)
1336 struct ospf_lsa
*new;
1339 /* Create new Opaque-LSA/Inter-AS instance. */
1340 new = ospf_mpls_te_lsa_new(top
, NULL
, lp
);
1343 "ospf_mpls_te_lsa_originate2: ospf_router_info_lsa_new() ?");
1346 new->vrf_id
= top
->vrf_id
;
1348 /* Install this LSA into LSDB. */
1349 if (ospf_lsa_install(top
, NULL
/*oi */, new) == NULL
) {
1350 zlog_warn("ospf_mpls_te_lsa_originate2: ospf_lsa_install() ?");
1351 ospf_lsa_unlock(&new);
1355 /* Now this Router Info parameter entry has associated LSA. */
1356 SET_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
);
1357 /* Update new LSA origination count. */
1358 top
->lsa_originate_count
++;
1360 /* Flood new LSA through AS. */
1361 ospf_flood_through_as(top
, NULL
/*nbr */, new);
1363 if (IS_DEBUG_OSPF(lsa
, LSA_GENERATE
)) {
1365 "LSA[Type%d:%s]: Originate Opaque-LSA/MPLS-TE Inter-AS",
1366 new->data
->type
, inet_ntoa(new->data
->id
));
1367 ospf_lsa_header_dump(new->data
);
1374 static int ospf_mpls_te_lsa_originate_as(void *arg
)
1377 struct ospf_area
*area
;
1378 struct listnode
*node
, *nnode
;
1379 struct mpls_te_link
*lp
;
1382 if ((!OspfMplsTE
.enabled
) || (OspfMplsTE
.inter_as
== Off
)) {
1384 "ospf_mpls_te_lsa_originate_as: MPLS-TE Inter-AS is disabled for now.");
1385 rc
= 0; /* This is not an error case. */
1389 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
)) {
1390 /* Process only enabled INTER_AS Links or Pseudo-Links */
1391 if (!CHECK_FLAG(lp
->flags
, LPFLG_LSA_ACTIVE
)
1392 || !IS_INTER_AS(lp
->type
))
1395 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
)) {
1396 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_FORCED_REFRESH
)) {
1397 UNSET_FLAG(lp
->flags
, LPFLG_LSA_FORCED_REFRESH
);
1398 ospf_mpls_te_lsa_schedule(lp
, REFRESH_THIS_LSA
);
1403 if (!is_mandated_params_set(lp
)) {
1405 "ospf_mpls_te_lsa_originate_as: Link(%s) lacks some mandated MPLS-TE parameters.",
1406 lp
->ifp
? lp
->ifp
->name
: "?");
1410 /* Ok, let's try to originate an LSA for this AS and Link. */
1411 if (IS_DEBUG_OSPF_TE
)
1413 "MPLS-TE(ospf_mpls_te_lsa_originate_as) Let's finally re-originate the Inter-AS LSA %d through the %s for Link %s",
1415 IS_FLOOD_AS(lp
->type
) ? "AS" : "Area",
1416 lp
->ifp
? lp
->ifp
->name
: "Unknown");
1418 if (IS_FLOOD_AS(lp
->type
)) {
1419 top
= (struct ospf
*)arg
;
1420 ospf_mpls_te_lsa_originate2(top
, lp
);
1422 area
= (struct ospf_area
*)arg
;
1423 ospf_mpls_te_lsa_originate1(area
, lp
);
1431 static struct ospf_lsa
*ospf_mpls_te_lsa_refresh(struct ospf_lsa
*lsa
)
1433 struct mpls_te_link
*lp
;
1434 struct ospf_area
*area
= lsa
->area
;
1436 struct ospf_lsa
*new = NULL
;
1438 if (!OspfMplsTE
.enabled
) {
1440 * This LSA must have flushed before due to MPLS-TE status
1442 * It seems a slip among routers in the routing domain.
1444 zlog_info("ospf_mpls_te_lsa_refresh: MPLS-TE is disabled now.");
1446 htons(OSPF_LSA_MAXAGE
); /* Flush it anyway. */
1449 /* At first, resolve lsa/lp relationship. */
1450 if ((lp
= lookup_linkparams_by_instance(lsa
)) == NULL
) {
1451 zlog_warn("ospf_mpls_te_lsa_refresh: Invalid parameter?");
1453 htons(OSPF_LSA_MAXAGE
); /* Flush it anyway. */
1454 ospf_opaque_lsa_flush_schedule(lsa
);
1458 /* Check if lp was not disable in the interval */
1459 if (!CHECK_FLAG(lp
->flags
, LPFLG_LSA_ACTIVE
)) {
1461 "ospf_mpls_te_lsa_refresh: lp was disabled: Flush it!");
1463 htons(OSPF_LSA_MAXAGE
); /* Flush it anyway. */
1466 /* If the lsa's age reached to MaxAge, start flushing procedure. */
1467 if (IS_LSA_MAXAGE(lsa
)) {
1468 UNSET_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
);
1469 ospf_opaque_lsa_flush_schedule(lsa
);
1472 top
= ospf_lookup_by_vrf_id(lsa
->vrf_id
);
1473 /* Create new Opaque-LSA/MPLS-TE instance. */
1474 new = ospf_mpls_te_lsa_new(top
, area
, lp
);
1476 zlog_warn("ospf_mpls_te_lsa_refresh: ospf_mpls_te_lsa_new() ?");
1479 new->data
->ls_seqnum
= lsa_seqnum_increment(lsa
);
1481 /* Install this LSA into LSDB. */
1482 /* Given "lsa" will be freed in the next function. */
1483 /* As area could be NULL i.e. when using OPAQUE_LSA_AS, we prefer to use
1484 * ospf_lookup() to get ospf instance */
1488 if (ospf_lsa_install(top
, NULL
/*oi */, new) == NULL
) {
1489 zlog_warn("ospf_mpls_te_lsa_refresh: ospf_lsa_install() ?");
1490 ospf_lsa_unlock(&new);
1494 /* Flood updated LSA through AS or Area depending of the RFC of the link
1496 if (IS_FLOOD_AS(lp
->type
))
1497 ospf_flood_through_as(top
, NULL
, new);
1499 ospf_flood_through_area(area
, NULL
/*nbr*/, new);
1501 /* Debug logging. */
1502 if (IS_DEBUG_OSPF(lsa
, LSA_GENERATE
)) {
1503 zlog_debug("LSA[Type%d:%s]: Refresh Opaque-LSA/MPLS-TE",
1504 new->data
->type
, inet_ntoa(new->data
->id
));
1505 ospf_lsa_header_dump(new->data
);
1511 void ospf_mpls_te_lsa_schedule(struct mpls_te_link
*lp
, enum lsa_opcode opcode
)
1513 struct ospf_lsa lsa
;
1514 struct lsa_header lsah
;
1518 memset(&lsa
, 0, sizeof(lsa
));
1519 memset(&lsah
, 0, sizeof(lsah
));
1520 top
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
1522 /* Check if the pseudo link is ready to flood */
1523 if (!(CHECK_FLAG(lp
->flags
, LPFLG_LSA_ACTIVE
))
1524 || !(IS_FLOOD_AREA(lp
->type
) || IS_FLOOD_AS(lp
->type
))) {
1528 lsa
.area
= lp
->area
;
1530 if (IS_FLOOD_AS(lp
->type
)) {
1531 lsah
.type
= OSPF_OPAQUE_AS_LSA
;
1532 tmp
= SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA
, lp
->instance
);
1533 lsah
.id
.s_addr
= htonl(tmp
);
1535 lsah
.type
= OSPF_OPAQUE_AREA_LSA
;
1536 if (IS_INTER_AS(lp
->type
)) {
1537 /* Set the area context if not know */
1538 if (lp
->area
== NULL
)
1539 lp
->area
= ospf_area_lookup_by_area_id(
1540 top
, OspfMplsTE
.interas_areaid
);
1541 /* Unable to set the area context. Abort! */
1542 if (lp
->area
== NULL
) {
1544 "MPLS-TE(ospf_mpls_te_lsa_schedule) Area context is null. Abort !");
1547 tmp
= SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA
,
1550 tmp
= SET_OPAQUE_LSID(
1551 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA
,
1553 lsah
.id
.s_addr
= htonl(tmp
);
1557 case REORIGINATE_THIS_LSA
:
1558 if (IS_FLOOD_AS(lp
->type
)) {
1559 ospf_opaque_lsa_reoriginate_schedule(
1560 (void *)top
, OSPF_OPAQUE_AS_LSA
,
1561 OPAQUE_TYPE_INTER_AS_LSA
);
1565 if (IS_FLOOD_AREA(lp
->type
)) {
1566 if (IS_INTER_AS(lp
->type
))
1567 ospf_opaque_lsa_reoriginate_schedule(
1568 (void *)lp
->area
, OSPF_OPAQUE_AREA_LSA
,
1569 OPAQUE_TYPE_INTER_AS_LSA
);
1571 ospf_opaque_lsa_reoriginate_schedule(
1572 (void *)lp
->area
, OSPF_OPAQUE_AREA_LSA
,
1573 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA
);
1577 case REFRESH_THIS_LSA
:
1578 ospf_opaque_lsa_refresh_schedule(&lsa
);
1580 case FLUSH_THIS_LSA
:
1581 /* Reset Activity flag */
1582 lp
->flags
= LPFLG_LSA_INACTIVE
;
1583 ospf_opaque_lsa_flush_schedule(&lsa
);
1586 zlog_warn("ospf_mpls_te_lsa_schedule: Unknown opcode (%u)",
1595 /*------------------------------------------------------------------------*
1596 * Followings are vty session control functions.
1597 *------------------------------------------------------------------------*/
1599 static uint16_t show_vty_router_addr(struct vty
*vty
, struct tlv_header
*tlvh
)
1601 struct te_tlv_router_addr
*top
= (struct te_tlv_router_addr
*)tlvh
;
1604 vty_out(vty
, " Router-Address: %s\n", inet_ntoa(top
->value
));
1606 zlog_debug(" Router-Address: %s", inet_ntoa(top
->value
));
1608 return TLV_SIZE(tlvh
);
1611 static uint16_t show_vty_link_header(struct vty
*vty
, struct tlv_header
*tlvh
)
1613 struct te_tlv_link
*top
= (struct te_tlv_link
*)tlvh
;
1616 vty_out(vty
, " Link: %u octets of data\n",
1617 ntohs(top
->header
.length
));
1619 zlog_debug(" Link: %u octets of data",
1620 ntohs(top
->header
.length
));
1622 return TLV_HDR_SIZE
; /* Here is special, not "TLV_SIZE". */
1625 static uint16_t show_vty_link_subtlv_link_type(struct vty
*vty
,
1626 struct tlv_header
*tlvh
)
1628 struct te_link_subtlv_link_type
*top
;
1629 const char *cp
= "Unknown";
1631 top
= (struct te_link_subtlv_link_type
*)tlvh
;
1632 switch (top
->link_type
.value
) {
1633 case LINK_TYPE_SUBTLV_VALUE_PTP
:
1634 cp
= "Point-to-point";
1636 case LINK_TYPE_SUBTLV_VALUE_MA
:
1644 vty_out(vty
, " Link-Type: %s (%u)\n", cp
,
1645 top
->link_type
.value
);
1647 zlog_debug(" Link-Type: %s (%u)", cp
, top
->link_type
.value
);
1649 return TLV_SIZE(tlvh
);
1652 static uint16_t show_vty_link_subtlv_link_id(struct vty
*vty
,
1653 struct tlv_header
*tlvh
)
1655 struct te_link_subtlv_link_id
*top
;
1657 top
= (struct te_link_subtlv_link_id
*)tlvh
;
1659 vty_out(vty
, " Link-ID: %s\n", inet_ntoa(top
->value
));
1661 zlog_debug(" Link-ID: %s", inet_ntoa(top
->value
));
1663 return TLV_SIZE(tlvh
);
1666 static uint16_t show_vty_link_subtlv_lclif_ipaddr(struct vty
*vty
,
1667 struct tlv_header
*tlvh
)
1669 struct te_link_subtlv_lclif_ipaddr
*top
;
1672 top
= (struct te_link_subtlv_lclif_ipaddr
*)tlvh
;
1673 n
= ntohs(tlvh
->length
) / sizeof(top
->value
[0]);
1676 vty_out(vty
, " Local Interface IP Address(es): %d\n", n
);
1678 zlog_debug(" Local Interface IP Address(es): %d", n
);
1680 for (i
= 0; i
< n
; i
++) {
1682 vty_out(vty
, " #%d: %s\n", i
,
1683 inet_ntoa(top
->value
[i
]));
1685 zlog_debug(" #%d: %s", i
,
1686 inet_ntoa(top
->value
[i
]));
1688 return TLV_SIZE(tlvh
);
1691 static uint16_t show_vty_link_subtlv_rmtif_ipaddr(struct vty
*vty
,
1692 struct tlv_header
*tlvh
)
1694 struct te_link_subtlv_rmtif_ipaddr
*top
;
1697 top
= (struct te_link_subtlv_rmtif_ipaddr
*)tlvh
;
1698 n
= ntohs(tlvh
->length
) / sizeof(top
->value
[0]);
1700 vty_out(vty
, " Remote Interface IP Address(es): %d\n", n
);
1702 zlog_debug(" Remote Interface IP Address(es): %d", n
);
1704 for (i
= 0; i
< n
; i
++) {
1706 vty_out(vty
, " #%d: %s\n", i
,
1707 inet_ntoa(top
->value
[i
]));
1709 zlog_debug(" #%d: %s", i
,
1710 inet_ntoa(top
->value
[i
]));
1712 return TLV_SIZE(tlvh
);
1715 static uint16_t show_vty_link_subtlv_te_metric(struct vty
*vty
,
1716 struct tlv_header
*tlvh
)
1718 struct te_link_subtlv_te_metric
*top
;
1720 top
= (struct te_link_subtlv_te_metric
*)tlvh
;
1722 vty_out(vty
, " Traffic Engineering Metric: %u\n",
1723 (uint32_t)ntohl(top
->value
));
1725 zlog_debug(" Traffic Engineering Metric: %u",
1726 (uint32_t)ntohl(top
->value
));
1728 return TLV_SIZE(tlvh
);
1731 static uint16_t show_vty_link_subtlv_max_bw(struct vty
*vty
,
1732 struct tlv_header
*tlvh
)
1734 struct te_link_subtlv_max_bw
*top
;
1737 top
= (struct te_link_subtlv_max_bw
*)tlvh
;
1738 fval
= ntohf(top
->value
);
1741 vty_out(vty
, " Maximum Bandwidth: %g (Bytes/sec)\n", fval
);
1743 zlog_debug(" Maximum Bandwidth: %g (Bytes/sec)", fval
);
1745 return TLV_SIZE(tlvh
);
1748 static uint16_t show_vty_link_subtlv_max_rsv_bw(struct vty
*vty
,
1749 struct tlv_header
*tlvh
)
1751 struct te_link_subtlv_max_rsv_bw
*top
;
1754 top
= (struct te_link_subtlv_max_rsv_bw
*)tlvh
;
1755 fval
= ntohf(top
->value
);
1758 vty_out(vty
, " Maximum Reservable Bandwidth: %g (Bytes/sec)\n",
1761 zlog_debug(" Maximum Reservable Bandwidth: %g (Bytes/sec)",
1764 return TLV_SIZE(tlvh
);
1767 static uint16_t show_vty_link_subtlv_unrsv_bw(struct vty
*vty
,
1768 struct tlv_header
*tlvh
)
1770 struct te_link_subtlv_unrsv_bw
*top
;
1774 top
= (struct te_link_subtlv_unrsv_bw
*)tlvh
;
1777 " Unreserved Bandwidth per Class Type in Byte/s:\n");
1780 " Unreserved Bandwidth per Class Type in Byte/s:");
1781 for (i
= 0; i
< MAX_CLASS_TYPE
; i
+= 2) {
1782 fval1
= ntohf(top
->value
[i
]);
1783 fval2
= ntohf(top
->value
[i
+ 1]);
1787 " [%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)\n",
1788 i
, fval1
, i
+ 1, fval2
);
1791 " [%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)",
1792 i
, fval1
, i
+ 1, fval2
);
1795 return TLV_SIZE(tlvh
);
1798 static uint16_t show_vty_link_subtlv_rsc_clsclr(struct vty
*vty
,
1799 struct tlv_header
*tlvh
)
1801 struct te_link_subtlv_rsc_clsclr
*top
;
1803 top
= (struct te_link_subtlv_rsc_clsclr
*)tlvh
;
1805 vty_out(vty
, " Resource class/color: 0x%x\n",
1806 (uint32_t)ntohl(top
->value
));
1808 zlog_debug(" Resource Class/Color: 0x%x",
1809 (uint32_t)ntohl(top
->value
));
1811 return TLV_SIZE(tlvh
);
1814 static uint16_t show_vty_link_subtlv_lrrid(struct vty
*vty
,
1815 struct tlv_header
*tlvh
)
1817 struct te_link_subtlv_lrrid
*top
;
1819 top
= (struct te_link_subtlv_lrrid
*)tlvh
;
1822 vty_out(vty
, " Local TE Router ID: %s\n",
1823 inet_ntoa(top
->local
));
1824 vty_out(vty
, " Remote TE Router ID: %s\n",
1825 inet_ntoa(top
->remote
));
1827 zlog_debug(" Local TE Router ID: %s",
1828 inet_ntoa(top
->local
));
1829 zlog_debug(" Remote TE Router ID: %s",
1830 inet_ntoa(top
->remote
));
1833 return TLV_SIZE(tlvh
);
1836 static uint16_t show_vty_link_subtlv_llri(struct vty
*vty
,
1837 struct tlv_header
*tlvh
)
1839 struct te_link_subtlv_llri
*top
;
1841 top
= (struct te_link_subtlv_llri
*)tlvh
;
1844 vty_out(vty
, " Link Local ID: %d\n",
1845 (uint32_t)ntohl(top
->local
));
1846 vty_out(vty
, " Link Remote ID: %d\n",
1847 (uint32_t)ntohl(top
->remote
));
1849 zlog_debug(" Link Local ID: %d",
1850 (uint32_t)ntohl(top
->local
));
1851 zlog_debug(" Link Remote ID: %d",
1852 (uint32_t)ntohl(top
->remote
));
1855 return TLV_SIZE(tlvh
);
1858 static uint16_t show_vty_link_subtlv_rip(struct vty
*vty
,
1859 struct tlv_header
*tlvh
)
1861 struct te_link_subtlv_rip
*top
;
1863 top
= (struct te_link_subtlv_rip
*)tlvh
;
1866 vty_out(vty
, " Inter-AS TE Remote ASBR IP address: %s\n",
1867 inet_ntoa(top
->value
));
1869 zlog_debug(" Inter-AS TE Remote ASBR IP address: %s",
1870 inet_ntoa(top
->value
));
1872 return TLV_SIZE(tlvh
);
1875 static uint16_t show_vty_link_subtlv_ras(struct vty
*vty
,
1876 struct tlv_header
*tlvh
)
1878 struct te_link_subtlv_ras
*top
;
1880 top
= (struct te_link_subtlv_ras
*)tlvh
;
1883 vty_out(vty
, " Inter-AS TE Remote AS number: %u\n",
1886 zlog_debug(" Inter-AS TE Remote AS number: %u",
1889 return TLV_SIZE(tlvh
);
1892 static uint16_t show_vty_link_subtlv_av_delay(struct vty
*vty
,
1893 struct tlv_header
*tlvh
)
1895 struct te_link_subtlv_av_delay
*top
;
1899 top
= (struct te_link_subtlv_av_delay
*)tlvh
;
1900 delay
= (uint32_t)ntohl(top
->value
) & TE_EXT_MASK
;
1901 anomalous
= (uint32_t)ntohl(top
->value
) & TE_EXT_ANORMAL
;
1904 vty_out(vty
, " %s Average Link Delay: %d (micro-sec)\n",
1905 anomalous
? "Anomalous" : "Normal", delay
);
1907 zlog_debug(" %s Average Link Delay: %d (micro-sec)",
1908 anomalous
? "Anomalous" : "Normal", delay
);
1910 return TLV_SIZE(tlvh
);
1913 static uint16_t show_vty_link_subtlv_mm_delay(struct vty
*vty
,
1914 struct tlv_header
*tlvh
)
1916 struct te_link_subtlv_mm_delay
*top
;
1920 top
= (struct te_link_subtlv_mm_delay
*)tlvh
;
1921 low
= (uint32_t)ntohl(top
->low
) & TE_EXT_MASK
;
1922 anomalous
= (uint32_t)ntohl(top
->low
) & TE_EXT_ANORMAL
;
1923 high
= (uint32_t)ntohl(top
->high
);
1926 vty_out(vty
, " %s Min/Max Link Delay: %d/%d (micro-sec)\n",
1927 anomalous
? "Anomalous" : "Normal", low
, high
);
1929 zlog_debug(" %s Min/Max Link Delay: %d/%d (micro-sec)",
1930 anomalous
? "Anomalous" : "Normal", low
, high
);
1932 return TLV_SIZE(tlvh
);
1935 static uint16_t show_vty_link_subtlv_delay_var(struct vty
*vty
,
1936 struct tlv_header
*tlvh
)
1938 struct te_link_subtlv_delay_var
*top
;
1941 top
= (struct te_link_subtlv_delay_var
*)tlvh
;
1942 jitter
= (uint32_t)ntohl(top
->value
) & TE_EXT_MASK
;
1945 vty_out(vty
, " Delay Variation: %d (micro-sec)\n", jitter
);
1947 zlog_debug(" Delay Variation: %d (micro-sec)", jitter
);
1949 return TLV_SIZE(tlvh
);
1952 static uint16_t show_vty_link_subtlv_pkt_loss(struct vty
*vty
,
1953 struct tlv_header
*tlvh
)
1955 struct te_link_subtlv_pkt_loss
*top
;
1960 top
= (struct te_link_subtlv_pkt_loss
*)tlvh
;
1961 loss
= (uint32_t)ntohl(top
->value
) & TE_EXT_MASK
;
1962 fval
= (float)(loss
* LOSS_PRECISION
);
1963 anomalous
= (uint32_t)ntohl(top
->value
) & TE_EXT_ANORMAL
;
1966 vty_out(vty
, " %s Link Loss: %g (%%)\n",
1967 anomalous
? "Anomalous" : "Normal", fval
);
1969 zlog_debug(" %s Link Loss: %g (%%)",
1970 anomalous
? "Anomalous" : "Normal", fval
);
1972 return TLV_SIZE(tlvh
);
1975 static uint16_t show_vty_link_subtlv_res_bw(struct vty
*vty
,
1976 struct tlv_header
*tlvh
)
1978 struct te_link_subtlv_res_bw
*top
;
1981 top
= (struct te_link_subtlv_res_bw
*)tlvh
;
1982 fval
= ntohf(top
->value
);
1986 " Unidirectional Residual Bandwidth: %g (Bytes/sec)\n",
1990 " Unidirectional Residual Bandwidth: %g (Bytes/sec)",
1993 return TLV_SIZE(tlvh
);
1996 static uint16_t show_vty_link_subtlv_ava_bw(struct vty
*vty
,
1997 struct tlv_header
*tlvh
)
1999 struct te_link_subtlv_ava_bw
*top
;
2002 top
= (struct te_link_subtlv_ava_bw
*)tlvh
;
2003 fval
= ntohf(top
->value
);
2007 " Unidirectional Available Bandwidth: %g (Bytes/sec)\n",
2011 " Unidirectional Available Bandwidth: %g (Bytes/sec)",
2014 return TLV_SIZE(tlvh
);
2017 static uint16_t show_vty_link_subtlv_use_bw(struct vty
*vty
,
2018 struct tlv_header
*tlvh
)
2020 struct te_link_subtlv_use_bw
*top
;
2023 top
= (struct te_link_subtlv_use_bw
*)tlvh
;
2024 fval
= ntohf(top
->value
);
2028 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)\n",
2032 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)",
2035 return TLV_SIZE(tlvh
);
2038 static uint16_t show_vty_unknown_tlv(struct vty
*vty
, struct tlv_header
*tlvh
)
2041 vty_out(vty
, " Unknown TLV: [type(0x%x), length(0x%x)]\n",
2042 ntohs(tlvh
->type
), ntohs(tlvh
->length
));
2044 zlog_debug(" Unknown TLV: [type(0x%x), length(0x%x)]",
2045 ntohs(tlvh
->type
), ntohs(tlvh
->length
));
2047 return TLV_SIZE(tlvh
);
2050 static uint16_t ospf_mpls_te_show_link_subtlv(struct vty
*vty
,
2051 struct tlv_header
*tlvh0
,
2052 uint16_t subtotal
, uint16_t total
)
2054 struct tlv_header
*tlvh
;
2055 uint16_t sum
= subtotal
;
2057 for (tlvh
= tlvh0
; sum
< total
;
2058 tlvh
= TLV_HDR_NEXT(tlvh
)) {
2059 switch (ntohs(tlvh
->type
)) {
2060 case TE_LINK_SUBTLV_LINK_TYPE
:
2061 sum
+= show_vty_link_subtlv_link_type(vty
, tlvh
);
2063 case TE_LINK_SUBTLV_LINK_ID
:
2064 sum
+= show_vty_link_subtlv_link_id(vty
, tlvh
);
2066 case TE_LINK_SUBTLV_LCLIF_IPADDR
:
2067 sum
+= show_vty_link_subtlv_lclif_ipaddr(vty
, tlvh
);
2069 case TE_LINK_SUBTLV_RMTIF_IPADDR
:
2070 sum
+= show_vty_link_subtlv_rmtif_ipaddr(vty
, tlvh
);
2072 case TE_LINK_SUBTLV_TE_METRIC
:
2073 sum
+= show_vty_link_subtlv_te_metric(vty
, tlvh
);
2075 case TE_LINK_SUBTLV_MAX_BW
:
2076 sum
+= show_vty_link_subtlv_max_bw(vty
, tlvh
);
2078 case TE_LINK_SUBTLV_MAX_RSV_BW
:
2079 sum
+= show_vty_link_subtlv_max_rsv_bw(vty
, tlvh
);
2081 case TE_LINK_SUBTLV_UNRSV_BW
:
2082 sum
+= show_vty_link_subtlv_unrsv_bw(vty
, tlvh
);
2084 case TE_LINK_SUBTLV_RSC_CLSCLR
:
2085 sum
+= show_vty_link_subtlv_rsc_clsclr(vty
, tlvh
);
2087 case TE_LINK_SUBTLV_LRRID
:
2088 sum
+= show_vty_link_subtlv_lrrid(vty
, tlvh
);
2090 case TE_LINK_SUBTLV_LLRI
:
2091 sum
+= show_vty_link_subtlv_llri(vty
, tlvh
);
2093 case TE_LINK_SUBTLV_RIP
:
2094 sum
+= show_vty_link_subtlv_rip(vty
, tlvh
);
2096 case TE_LINK_SUBTLV_RAS
:
2097 sum
+= show_vty_link_subtlv_ras(vty
, tlvh
);
2099 case TE_LINK_SUBTLV_AV_DELAY
:
2100 sum
+= show_vty_link_subtlv_av_delay(vty
, tlvh
);
2102 case TE_LINK_SUBTLV_MM_DELAY
:
2103 sum
+= show_vty_link_subtlv_mm_delay(vty
, tlvh
);
2105 case TE_LINK_SUBTLV_DELAY_VAR
:
2106 sum
+= show_vty_link_subtlv_delay_var(vty
, tlvh
);
2108 case TE_LINK_SUBTLV_PKT_LOSS
:
2109 sum
+= show_vty_link_subtlv_pkt_loss(vty
, tlvh
);
2111 case TE_LINK_SUBTLV_RES_BW
:
2112 sum
+= show_vty_link_subtlv_res_bw(vty
, tlvh
);
2114 case TE_LINK_SUBTLV_AVA_BW
:
2115 sum
+= show_vty_link_subtlv_ava_bw(vty
, tlvh
);
2117 case TE_LINK_SUBTLV_USE_BW
:
2118 sum
+= show_vty_link_subtlv_use_bw(vty
, tlvh
);
2121 sum
+= show_vty_unknown_tlv(vty
, tlvh
);
2128 static void ospf_mpls_te_show_info(struct vty
*vty
, struct ospf_lsa
*lsa
)
2130 struct lsa_header
*lsah
= (struct lsa_header
*)lsa
->data
;
2131 struct tlv_header
*tlvh
, *next
;
2132 uint16_t sum
, total
;
2133 uint16_t (*subfunc
)(struct vty
* vty
, struct tlv_header
* tlvh
,
2134 uint16_t subtotal
, uint16_t total
) = NULL
;
2137 total
= ntohs(lsah
->length
) - OSPF_LSA_HEADER_SIZE
;
2139 for (tlvh
= TLV_HDR_TOP(lsah
); sum
< total
;
2140 tlvh
= (next
? next
: TLV_HDR_NEXT(tlvh
))) {
2141 if (subfunc
!= NULL
) {
2142 sum
= (*subfunc
)(vty
, tlvh
, sum
, total
);
2143 next
= (struct tlv_header
*)((char *)tlvh
+ sum
);
2149 switch (ntohs(tlvh
->type
)) {
2150 case TE_TLV_ROUTER_ADDR
:
2151 sum
+= show_vty_router_addr(vty
, tlvh
);
2154 sum
+= show_vty_link_header(vty
, tlvh
);
2155 subfunc
= ospf_mpls_te_show_link_subtlv
;
2156 next
= TLV_DATA(tlvh
);
2159 sum
+= show_vty_unknown_tlv(vty
, tlvh
);
2166 static void ospf_mpls_te_config_write_router(struct vty
*vty
)
2169 if (OspfMplsTE
.enabled
) {
2170 vty_out(vty
, " mpls-te on\n");
2171 vty_out(vty
, " mpls-te router-address %s\n",
2172 inet_ntoa(OspfMplsTE
.router_addr
.value
));
2175 if (OspfMplsTE
.inter_as
== AS
)
2176 vty_out(vty
, " mpls-te inter-as as\n");
2177 if (OspfMplsTE
.inter_as
== Area
)
2178 vty_out(vty
, " mpls-te inter-as area %s \n",
2179 inet_ntoa(OspfMplsTE
.interas_areaid
));
2184 /*------------------------------------------------------------------------*
2185 * Followings are vty command functions.
2186 *------------------------------------------------------------------------*/
2188 DEFUN (ospf_mpls_te_on
,
2189 ospf_mpls_te_on_cmd
,
2192 "Enable the MPLS-TE functionality\n")
2194 VTY_DECLVAR_INSTANCE_CONTEXT(ospf
, ospf
);
2195 struct listnode
*node
;
2196 struct mpls_te_link
*lp
;
2198 if (OspfMplsTE
.enabled
)
2201 if (IS_DEBUG_OSPF_EVENT
)
2202 zlog_debug("MPLS-TE: OFF -> ON");
2204 OspfMplsTE
.enabled
= true;
2206 /* Reoriginate RFC3630 & RFC6827 Links */
2207 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule
,
2208 REORIGINATE_THIS_LSA
);
2210 /* Reoriginate LSA if INTER-AS is always on */
2211 if (OspfMplsTE
.inter_as
!= Off
) {
2212 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE
.iflist
, node
, lp
)) {
2213 if (IS_INTER_AS(lp
->type
)) {
2214 ospf_mpls_te_lsa_schedule(lp
,
2215 REORIGINATE_THIS_LSA
);
2223 DEFUN (no_ospf_mpls_te
,
2224 no_ospf_mpls_te_cmd
,
2228 "Disable the MPLS-TE functionality\n")
2230 VTY_DECLVAR_INSTANCE_CONTEXT(ospf
, ospf
);
2231 struct listnode
*node
, *nnode
;
2232 struct mpls_te_link
*lp
;
2234 if (!OspfMplsTE
.enabled
)
2237 if (IS_DEBUG_OSPF_EVENT
)
2238 zlog_debug("MPLS-TE: ON -> OFF");
2240 OspfMplsTE
.enabled
= false;
2242 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
))
2243 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
))
2244 ospf_mpls_te_lsa_schedule(lp
, FLUSH_THIS_LSA
);
2250 DEFUN (ospf_mpls_te_router_addr
,
2251 ospf_mpls_te_router_addr_cmd
,
2252 "mpls-te router-address A.B.C.D",
2254 "Stable IP address of the advertising router\n"
2255 "MPLS-TE router address in IPv4 address format\n")
2257 VTY_DECLVAR_INSTANCE_CONTEXT(ospf
, ospf
);
2259 struct te_tlv_router_addr
*ra
= &OspfMplsTE
.router_addr
;
2260 struct in_addr value
;
2262 if (!inet_aton(argv
[idx_ipv4
]->arg
, &value
)) {
2263 vty_out(vty
, "Please specify Router-Addr by A.B.C.D\n");
2267 if (ntohs(ra
->header
.type
) == 0
2268 || ntohl(ra
->value
.s_addr
) != ntohl(value
.s_addr
)) {
2269 struct listnode
*node
, *nnode
;
2270 struct mpls_te_link
*lp
;
2271 int need_to_reoriginate
= 0;
2273 set_mpls_te_router_addr(value
);
2275 if (!OspfMplsTE
.enabled
)
2278 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
)) {
2279 if ((lp
->area
== NULL
) || IS_FLOOD_AS(lp
->type
))
2282 if (!CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
)) {
2283 need_to_reoriginate
= 1;
2288 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
)) {
2289 if ((lp
->area
== NULL
) || IS_FLOOD_AS(lp
->type
))
2292 if (need_to_reoriginate
)
2293 SET_FLAG(lp
->flags
, LPFLG_LSA_FORCED_REFRESH
);
2295 ospf_mpls_te_lsa_schedule(lp
, REFRESH_THIS_LSA
);
2298 if (need_to_reoriginate
)
2299 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule
,
2300 REORIGINATE_THIS_LSA
);
2306 static int set_inter_as_mode(struct vty
*vty
, const char *mode_name
,
2307 const char *area_id
)
2309 enum inter_as_mode mode
;
2310 struct listnode
*node
;
2311 struct mpls_te_link
*lp
;
2314 if (OspfMplsTE
.enabled
) {
2316 /* Read and Check inter_as mode */
2317 if (strcmp(mode_name
, "as") == 0)
2319 else if (strcmp(mode_name
, "area") == 0) {
2321 VTY_GET_OSPF_AREA_ID(OspfMplsTE
.interas_areaid
, format
,
2325 "Unknown mode. Please choose between as or area\n");
2329 if (IS_DEBUG_OSPF_EVENT
)
2331 "MPLS-TE: Inter-AS enable with %s flooding support",
2334 /* Register new callbacks regarding the flooding scope (AS or
2336 if (ospf_mpls_te_register(mode
) < 0) {
2338 "Internal error: Unable to register Inter-AS functions\n");
2342 /* Enable mode and re-originate LSA if needed */
2343 if ((OspfMplsTE
.inter_as
== Off
)
2344 && (mode
!= OspfMplsTE
.inter_as
)) {
2345 OspfMplsTE
.inter_as
= mode
;
2346 /* Re-originate all InterAS-TEv2 LSA */
2347 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE
.iflist
, node
,
2349 if (IS_INTER_AS(lp
->type
)) {
2351 lp
->type
|= FLOOD_AS
;
2353 lp
->type
|= FLOOD_AREA
;
2354 ospf_mpls_te_lsa_schedule(
2355 lp
, REORIGINATE_THIS_LSA
);
2360 "Please change Inter-AS support to disable first before going to mode %s\n",
2365 vty_out(vty
, "mpls-te has not been turned on\n");
2372 DEFUN (ospf_mpls_te_inter_as_as
,
2373 ospf_mpls_te_inter_as_cmd
,
2374 "mpls-te inter-as as",
2376 "Configure MPLS-TE Inter-AS support\n"
2377 "AS native mode self originate INTER_AS LSA with Type 11 (as flooding scope)\n")
2379 return set_inter_as_mode(vty
, "as", "");
2382 DEFUN (ospf_mpls_te_inter_as_area
,
2383 ospf_mpls_te_inter_as_area_cmd
,
2384 "mpls-te inter-as area <A.B.C.D|(0-4294967295)>",
2386 "Configure MPLS-TE Inter-AS support\n"
2387 "AREA native mode self originate INTER_AS LSA with Type 10 (area flooding scope)\n"
2388 "OSPF area ID in IP format\n"
2389 "OSPF area ID as decimal value\n")
2391 int idx_ipv4_number
= 3;
2392 return set_inter_as_mode(vty
, "area", argv
[idx_ipv4_number
]->arg
);
2395 DEFUN (no_ospf_mpls_te_inter_as
,
2396 no_ospf_mpls_te_inter_as_cmd
,
2397 "no mpls-te inter-as",
2400 "Disable MPLS-TE Inter-AS support\n")
2403 struct listnode
*node
, *nnode
;
2404 struct mpls_te_link
*lp
;
2406 if (IS_DEBUG_OSPF_EVENT
)
2407 zlog_debug("MPLS-TE: Inter-AS support OFF");
2409 if ((OspfMplsTE
.enabled
) && (OspfMplsTE
.inter_as
!= Off
)) {
2410 OspfMplsTE
.inter_as
= Off
;
2411 /* Flush all Inter-AS LSA */
2412 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
))
2413 if (IS_INTER_AS(lp
->type
)
2414 && CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
))
2415 ospf_mpls_te_lsa_schedule(lp
, FLUSH_THIS_LSA
);
2418 /* Deregister the Callbacks for Inter-AS suport */
2419 ospf_mpls_te_unregister();
2424 DEFUN (show_ip_ospf_mpls_te_router
,
2425 show_ip_ospf_mpls_te_router_cmd
,
2426 "show ip ospf mpls-te router",
2430 "MPLS-TE information\n"
2431 "MPLS-TE Router parameters\n")
2433 if (OspfMplsTE
.enabled
) {
2434 vty_out(vty
, "--- MPLS-TE router parameters ---\n");
2436 if (ntohs(OspfMplsTE
.router_addr
.header
.type
) != 0)
2437 show_vty_router_addr(vty
,
2438 &OspfMplsTE
.router_addr
.header
);
2440 vty_out(vty
, " N/A\n");
2445 static void show_mpls_te_link_sub(struct vty
*vty
, struct interface
*ifp
)
2447 struct mpls_te_link
*lp
;
2449 if ((OspfMplsTE
.enabled
) && HAS_LINK_PARAMS(ifp
) && !if_is_loopback(ifp
)
2451 && ((lp
= lookup_linkparams_by_ifp(ifp
)) != NULL
)) {
2452 /* Continue only if interface is not passive or support Inter-AS
2454 if (!(ospf_oi_count(ifp
) > 0)) {
2455 if (IS_INTER_AS(lp
->type
)) {
2457 "-- Inter-AS TEv2 link parameters for %s --\n",
2460 /* MPLS-TE is not activate on this interface */
2461 /* or this interface is passive and Inter-AS
2462 * TEv2 is not activate */
2464 " %s: MPLS-TE is disabled on this interface\n",
2469 vty_out(vty
, "-- MPLS-TE link parameters for %s --\n",
2473 if (TLV_TYPE(lp
->link_type
) != 0)
2474 show_vty_link_subtlv_link_type(vty
,
2475 &lp
->link_type
.header
);
2476 if (TLV_TYPE(lp
->link_id
) != 0)
2477 show_vty_link_subtlv_link_id(vty
, &lp
->link_id
.header
);
2478 if (TLV_TYPE(lp
->lclif_ipaddr
) != 0)
2479 show_vty_link_subtlv_lclif_ipaddr(
2480 vty
, &lp
->lclif_ipaddr
.header
);
2481 if (TLV_TYPE(lp
->rmtif_ipaddr
) != 0)
2482 show_vty_link_subtlv_rmtif_ipaddr(
2483 vty
, &lp
->rmtif_ipaddr
.header
);
2484 if (TLV_TYPE(lp
->rip
) != 0)
2485 show_vty_link_subtlv_rip(vty
, &lp
->rip
.header
);
2486 if (TLV_TYPE(lp
->ras
) != 0)
2487 show_vty_link_subtlv_ras(vty
, &lp
->ras
.header
);
2488 if (TLV_TYPE(lp
->te_metric
) != 0)
2489 show_vty_link_subtlv_te_metric(vty
,
2490 &lp
->te_metric
.header
);
2491 if (TLV_TYPE(lp
->max_bw
) != 0)
2492 show_vty_link_subtlv_max_bw(vty
, &lp
->max_bw
.header
);
2493 if (TLV_TYPE(lp
->max_rsv_bw
) != 0)
2494 show_vty_link_subtlv_max_rsv_bw(vty
,
2495 &lp
->max_rsv_bw
.header
);
2496 if (TLV_TYPE(lp
->unrsv_bw
) != 0)
2497 show_vty_link_subtlv_unrsv_bw(vty
,
2498 &lp
->unrsv_bw
.header
);
2499 if (TLV_TYPE(lp
->rsc_clsclr
) != 0)
2500 show_vty_link_subtlv_rsc_clsclr(vty
,
2501 &lp
->rsc_clsclr
.header
);
2502 if (TLV_TYPE(lp
->av_delay
) != 0)
2503 show_vty_link_subtlv_av_delay(vty
,
2504 &lp
->av_delay
.header
);
2505 if (TLV_TYPE(lp
->mm_delay
) != 0)
2506 show_vty_link_subtlv_mm_delay(vty
,
2507 &lp
->mm_delay
.header
);
2508 if (TLV_TYPE(lp
->delay_var
) != 0)
2509 show_vty_link_subtlv_delay_var(vty
,
2510 &lp
->delay_var
.header
);
2511 if (TLV_TYPE(lp
->pkt_loss
) != 0)
2512 show_vty_link_subtlv_pkt_loss(vty
,
2513 &lp
->pkt_loss
.header
);
2514 if (TLV_TYPE(lp
->res_bw
) != 0)
2515 show_vty_link_subtlv_res_bw(vty
, &lp
->res_bw
.header
);
2516 if (TLV_TYPE(lp
->ava_bw
) != 0)
2517 show_vty_link_subtlv_ava_bw(vty
, &lp
->ava_bw
.header
);
2518 if (TLV_TYPE(lp
->use_bw
) != 0)
2519 show_vty_link_subtlv_use_bw(vty
, &lp
->use_bw
.header
);
2520 vty_out(vty
, "---------------\n\n");
2522 vty_out(vty
, " %s: MPLS-TE is disabled on this interface\n",
2529 DEFUN (show_ip_ospf_mpls_te_link
,
2530 show_ip_ospf_mpls_te_link_cmd
,
2531 "show ip ospf [vrf <NAME|all>] mpls-te interface [INTERFACE]",
2537 "MPLS-TE information\n"
2538 "Interface information\n"
2542 int idx_interface
= 5;
2543 struct interface
*ifp
;
2544 struct listnode
*node
;
2545 char *vrf_name
= NULL
;
2549 struct ospf
*ospf
= NULL
;
2551 if (argv_find(argv
, argc
, "vrf", &idx_vrf
)) {
2552 vrf_name
= argv
[idx_vrf
+ 1]->arg
;
2553 all_vrf
= strmatch(vrf_name
, "all");
2556 /* vrf input is provided could be all or specific vrf*/
2559 for (ALL_LIST_ELEMENTS_RO(om
->ospf
, node
, ospf
)) {
2560 if (!ospf
->oi_running
)
2562 vrf
= vrf_lookup_by_id(ospf
->vrf_id
);
2563 FOR_ALL_INTERFACES (vrf
, ifp
)
2564 show_mpls_te_link_sub(vty
, ifp
);
2568 ospf
= ospf_lookup_by_inst_name(inst
, vrf_name
);
2569 if (ospf
== NULL
|| !ospf
->oi_running
)
2571 vrf
= vrf_lookup_by_id(ospf
->vrf_id
);
2572 FOR_ALL_INTERFACES (vrf
, ifp
)
2573 show_mpls_te_link_sub(vty
, ifp
);
2576 /* Show All Interfaces. */
2578 for (ALL_LIST_ELEMENTS_RO(om
->ospf
, node
, ospf
)) {
2579 if (!ospf
->oi_running
)
2581 vrf
= vrf_lookup_by_id(ospf
->vrf_id
);
2582 FOR_ALL_INTERFACES (vrf
, ifp
)
2583 show_mpls_te_link_sub(vty
, ifp
);
2586 /* Interface name is specified. */
2588 ifp
= if_lookup_by_name_all_vrf(argv
[idx_interface
]->arg
);
2590 vty_out(vty
, "No such interface name\n");
2592 show_mpls_te_link_sub(vty
, ifp
);
2598 static void ospf_mpls_te_register_vty(void)
2600 install_element(VIEW_NODE
, &show_ip_ospf_mpls_te_router_cmd
);
2601 install_element(VIEW_NODE
, &show_ip_ospf_mpls_te_link_cmd
);
2603 install_element(OSPF_NODE
, &ospf_mpls_te_on_cmd
);
2604 install_element(OSPF_NODE
, &no_ospf_mpls_te_cmd
);
2605 install_element(OSPF_NODE
, &ospf_mpls_te_router_addr_cmd
);
2606 install_element(OSPF_NODE
, &ospf_mpls_te_inter_as_cmd
);
2607 install_element(OSPF_NODE
, &ospf_mpls_te_inter_as_area_cmd
);
2608 install_element(OSPF_NODE
, &no_ospf_mpls_te_inter_as_cmd
);