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"
64 #include "ospfd/ospf_errors.h"
67 * Global variable to manage Opaque-LSA/MPLS-TE on this node.
68 * Note that all parameter values are stored in network byte order.
70 struct ospf_mpls_te OspfMplsTE
;
72 const char *mode2text
[] = {"Off", "AS", "Area"};
74 /*------------------------------------------------------------------------*
75 * Followings are initialize/terminate functions for MPLS-TE handling.
76 *------------------------------------------------------------------------*/
78 static int ospf_mpls_te_new_if(struct interface
*ifp
);
79 static int ospf_mpls_te_del_if(struct interface
*ifp
);
80 static void ospf_mpls_te_ism_change(struct ospf_interface
*oi
, int old_status
);
81 static void ospf_mpls_te_nsm_change(struct ospf_neighbor
*nbr
, int old_status
);
82 static void ospf_mpls_te_config_write_router(struct vty
*vty
);
83 static void ospf_mpls_te_show_info(struct vty
*vty
, struct ospf_lsa
*lsa
);
84 static int ospf_mpls_te_lsa_originate_area(void *arg
);
85 static int ospf_mpls_te_lsa_originate_as(void *arg
);
86 static struct ospf_lsa
*ospf_mpls_te_lsa_refresh(struct ospf_lsa
*lsa
);
88 static void del_mpls_te_link(void *val
);
89 static void ospf_mpls_te_register_vty(void);
91 int ospf_mpls_te_init(void)
95 rc
= ospf_register_opaque_functab(
96 OSPF_OPAQUE_AREA_LSA
, OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA
,
97 ospf_mpls_te_new_if
, ospf_mpls_te_del_if
,
98 ospf_mpls_te_ism_change
, ospf_mpls_te_nsm_change
,
99 ospf_mpls_te_config_write_router
,
100 NULL
, /*ospf_mpls_te_config_write_if */
101 NULL
, /* ospf_mpls_te_config_write_debug */
102 ospf_mpls_te_show_info
, ospf_mpls_te_lsa_originate_area
,
103 ospf_mpls_te_lsa_refresh
, NULL
, /* ospf_mpls_te_new_lsa_hook */
104 NULL
/* ospf_mpls_te_del_lsa_hook */);
107 EC_OSPF_OPAQUE_REGISTRATION
,
108 "ospf_mpls_te_init: Failed to register Traffic Engineering functions");
112 memset(&OspfMplsTE
, 0, sizeof(struct ospf_mpls_te
));
113 OspfMplsTE
.enabled
= false;
114 OspfMplsTE
.inter_as
= Off
;
115 OspfMplsTE
.iflist
= list_new();
116 OspfMplsTE
.iflist
->del
= del_mpls_te_link
;
118 ospf_mpls_te_register_vty();
123 /* Additional register for RFC5392 support */
124 static int ospf_mpls_te_register(enum inter_as_mode mode
)
129 if (OspfMplsTE
.inter_as
!= Off
)
133 scope
= OSPF_OPAQUE_AS_LSA
;
135 scope
= OSPF_OPAQUE_AREA_LSA
;
137 rc
= ospf_register_opaque_functab(scope
, OPAQUE_TYPE_INTER_AS_LSA
, NULL
,
138 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
139 ospf_mpls_te_show_info
,
140 ospf_mpls_te_lsa_originate_as
,
141 ospf_mpls_te_lsa_refresh
, NULL
, NULL
);
145 EC_OSPF_OPAQUE_REGISTRATION
,
146 "ospf_router_info_init: Failed to register Inter-AS functions");
153 static int ospf_mpls_te_unregister()
157 if (OspfMplsTE
.inter_as
== Off
)
160 if (OspfMplsTE
.inter_as
== AS
)
161 scope
= OSPF_OPAQUE_AS_LSA
;
163 scope
= OSPF_OPAQUE_AREA_LSA
;
165 ospf_delete_opaque_functab(scope
, OPAQUE_TYPE_INTER_AS_LSA
);
170 void ospf_mpls_te_term(void)
172 list_delete(&OspfMplsTE
.iflist
);
174 ospf_delete_opaque_functab(OSPF_OPAQUE_AREA_LSA
,
175 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA
);
177 OspfMplsTE
.enabled
= false;
179 ospf_mpls_te_unregister();
180 OspfMplsTE
.inter_as
= Off
;
185 void ospf_mpls_te_finish(void)
187 // list_delete_all_node(OspfMplsTE.iflist);
189 OspfMplsTE
.enabled
= false;
190 OspfMplsTE
.inter_as
= Off
;
193 /*------------------------------------------------------------------------*
194 * Followings are control functions for MPLS-TE parameters management.
195 *------------------------------------------------------------------------*/
197 static void del_mpls_te_link(void *val
)
199 XFREE(MTYPE_OSPF_MPLS_TE
, val
);
203 static uint32_t get_mpls_te_instance_value(void)
205 static uint32_t seqno
= 0;
207 if (seqno
< MAX_LEGAL_TE_INSTANCE_NUM
)
210 seqno
= 1; /* Avoid zero. */
215 static struct mpls_te_link
*lookup_linkparams_by_ifp(struct interface
*ifp
)
217 struct listnode
*node
, *nnode
;
218 struct mpls_te_link
*lp
;
220 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
))
227 static struct mpls_te_link
*lookup_linkparams_by_instance(struct ospf_lsa
*lsa
)
229 struct listnode
*node
;
230 struct mpls_te_link
*lp
;
231 unsigned int key
= GET_OPAQUE_ID(ntohl(lsa
->data
->id
.s_addr
));
233 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE
.iflist
, node
, lp
))
234 if (lp
->instance
== key
)
237 zlog_info("lookup_linkparams_by_instance: Entry not found: key(%x)",
242 static void ospf_mpls_te_foreach_area(
243 void (*func
)(struct mpls_te_link
*lp
, enum lsa_opcode sched_opcode
),
244 enum lsa_opcode sched_opcode
)
246 struct listnode
*node
, *nnode
;
247 struct listnode
*node2
;
248 struct mpls_te_link
*lp
;
249 struct ospf_area
*area
;
251 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
)) {
252 /* Skip Inter-AS TEv2 Links */
253 if (IS_INTER_AS(lp
->type
))
255 if ((area
= lp
->area
) == NULL
)
257 if (CHECK_FLAG(lp
->flags
, LPFLG_LOOKUP_DONE
))
261 (*func
)(lp
, sched_opcode
);
263 for (node2
= listnextnode(node
); node2
;
264 node2
= listnextnode(node2
))
265 if ((lp
= listgetdata(node2
)) != NULL
)
266 if (lp
->area
!= NULL
)
267 if (IPV4_ADDR_SAME(&lp
->area
->area_id
,
273 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE
.iflist
, node
, lp
))
274 if (lp
->area
!= NULL
)
275 UNSET_FLAG(lp
->flags
, LPFLG_LOOKUP_DONE
);
280 static void set_mpls_te_router_addr(struct in_addr ipv4
)
282 OspfMplsTE
.router_addr
.header
.type
= htons(TE_TLV_ROUTER_ADDR
);
283 OspfMplsTE
.router_addr
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
284 OspfMplsTE
.router_addr
.value
= ipv4
;
288 static void set_linkparams_link_header(struct mpls_te_link
*lp
)
292 /* TE_LINK_SUBTLV_LINK_TYPE */
293 if (ntohs(lp
->link_type
.header
.type
) != 0)
294 length
+= TLV_SIZE(&lp
->link_type
.header
);
296 /* TE_LINK_SUBTLV_LINK_ID */
297 if (ntohs(lp
->link_id
.header
.type
) != 0)
298 length
+= TLV_SIZE(&lp
->link_id
.header
);
300 /* TE_LINK_SUBTLV_LCLIF_IPADDR */
301 if (lp
->lclif_ipaddr
.header
.type
!= 0)
302 length
+= TLV_SIZE(&lp
->lclif_ipaddr
.header
);
304 /* TE_LINK_SUBTLV_RMTIF_IPADDR */
305 if (lp
->rmtif_ipaddr
.header
.type
!= 0)
306 length
+= TLV_SIZE(&lp
->rmtif_ipaddr
.header
);
308 /* TE_LINK_SUBTLV_TE_METRIC */
309 if (ntohs(lp
->te_metric
.header
.type
) != 0)
310 length
+= TLV_SIZE(&lp
->te_metric
.header
);
312 /* TE_LINK_SUBTLV_MAX_BW */
313 if (ntohs(lp
->max_bw
.header
.type
) != 0)
314 length
+= TLV_SIZE(&lp
->max_bw
.header
);
316 /* TE_LINK_SUBTLV_MAX_RSV_BW */
317 if (ntohs(lp
->max_rsv_bw
.header
.type
) != 0)
318 length
+= TLV_SIZE(&lp
->max_rsv_bw
.header
);
320 /* TE_LINK_SUBTLV_UNRSV_BW */
321 if (ntohs(lp
->unrsv_bw
.header
.type
) != 0)
322 length
+= TLV_SIZE(&lp
->unrsv_bw
.header
);
324 /* TE_LINK_SUBTLV_RSC_CLSCLR */
325 if (ntohs(lp
->rsc_clsclr
.header
.type
) != 0)
326 length
+= TLV_SIZE(&lp
->rsc_clsclr
.header
);
328 /* TE_LINK_SUBTLV_LLRI */
329 if (ntohs(lp
->llri
.header
.type
) != 0)
330 length
+= TLV_SIZE(&lp
->llri
.header
);
332 /* TE_LINK_SUBTLV_RIP */
333 if (ntohs(lp
->rip
.header
.type
) != 0)
334 length
+= TLV_SIZE(&lp
->rip
.header
);
336 /* TE_LINK_SUBTLV_RAS */
337 if (ntohs(lp
->ras
.header
.type
) != 0)
338 length
+= TLV_SIZE(&lp
->ras
.header
);
340 /* TE_LINK_SUBTLV_LRRID */
341 if (ntohs(lp
->lrrid
.header
.type
) != 0)
342 length
+= TLV_SIZE(&lp
->lrrid
.header
);
344 /* TE_LINK_SUBTLV_AV_DELAY */
345 if (ntohs(lp
->av_delay
.header
.type
) != 0)
346 length
+= TLV_SIZE(&lp
->av_delay
.header
);
348 /* TE_LINK_SUBTLV_MM_DELAY */
349 if (ntohs(lp
->mm_delay
.header
.type
) != 0)
350 length
+= TLV_SIZE(&lp
->mm_delay
.header
);
352 /* TE_LINK_SUBTLV_DELAY_VAR */
353 if (ntohs(lp
->delay_var
.header
.type
) != 0)
354 length
+= TLV_SIZE(&lp
->delay_var
.header
);
356 /* TE_LINK_SUBTLV_PKT_LOSS */
357 if (ntohs(lp
->pkt_loss
.header
.type
) != 0)
358 length
+= TLV_SIZE(&lp
->pkt_loss
.header
);
360 /* TE_LINK_SUBTLV_RES_BW */
361 if (ntohs(lp
->res_bw
.header
.type
) != 0)
362 length
+= TLV_SIZE(&lp
->res_bw
.header
);
364 /* TE_LINK_SUBTLV_AVA_BW */
365 if (ntohs(lp
->ava_bw
.header
.type
) != 0)
366 length
+= TLV_SIZE(&lp
->ava_bw
.header
);
368 /* TE_LINK_SUBTLV_USE_BW */
369 if (ntohs(lp
->use_bw
.header
.type
) != 0)
370 length
+= TLV_SIZE(&lp
->use_bw
.header
);
372 lp
->link_header
.header
.type
= htons(TE_TLV_LINK
);
373 lp
->link_header
.header
.length
= htons(length
);
378 static void set_linkparams_link_type(struct ospf_interface
*oi
,
379 struct mpls_te_link
*lp
)
381 lp
->link_type
.header
.type
= htons(TE_LINK_SUBTLV_LINK_TYPE
);
382 lp
->link_type
.header
.length
= htons(TE_LINK_SUBTLV_TYPE_SIZE
);
385 case OSPF_IFTYPE_POINTOPOINT
:
386 lp
->link_type
.link_type
.value
= LINK_TYPE_SUBTLV_VALUE_PTP
;
388 case OSPF_IFTYPE_BROADCAST
:
389 case OSPF_IFTYPE_NBMA
:
390 lp
->link_type
.link_type
.value
= LINK_TYPE_SUBTLV_VALUE_MA
;
393 /* Not supported yet. */ /* XXX */
394 lp
->link_type
.header
.type
= htons(0);
400 static void set_linkparams_link_id(struct ospf_interface
*oi
,
401 struct mpls_te_link
*lp
)
403 struct ospf_neighbor
*nbr
;
406 lp
->link_id
.header
.type
= htons(TE_LINK_SUBTLV_LINK_ID
);
407 lp
->link_id
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
410 * The Link ID is identical to the contents of the Link ID field
411 * in the Router LSA for these link types.
414 case OSPF_IFTYPE_POINTOPOINT
:
415 /* Take the router ID of the neighbor. */
416 if ((nbr
= ospf_nbr_lookup_ptop(oi
))
417 && nbr
->state
== NSM_Full
) {
418 lp
->link_id
.value
= nbr
->router_id
;
422 case OSPF_IFTYPE_BROADCAST
:
423 case OSPF_IFTYPE_NBMA
:
424 /* Take the interface address of the designated router. */
425 if ((nbr
= ospf_nbr_lookup_by_addr(oi
->nbrs
, &DR(oi
))) == NULL
)
428 if (nbr
->state
== NSM_Full
429 || (IPV4_ADDR_SAME(&oi
->address
->u
.prefix4
, &DR(oi
))
430 && ospf_nbr_count(oi
, NSM_Full
) > 0)) {
431 lp
->link_id
.value
= DR(oi
);
436 /* Not supported yet. */ /* XXX */
437 lp
->link_id
.header
.type
= htons(0);
443 masklen2ip(oi
->address
->prefixlen
, &mask
);
444 lp
->link_id
.value
.s_addr
=
445 oi
->address
->u
.prefix4
.s_addr
& mask
.s_addr
;
450 static void set_linkparams_lclif_ipaddr(struct mpls_te_link
*lp
,
451 struct in_addr lclif
)
454 lp
->lclif_ipaddr
.header
.type
= htons(TE_LINK_SUBTLV_LCLIF_IPADDR
);
455 lp
->lclif_ipaddr
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
456 lp
->lclif_ipaddr
.value
[0] = lclif
;
460 static void set_linkparams_rmtif_ipaddr(struct mpls_te_link
*lp
,
461 struct in_addr rmtif
)
464 lp
->rmtif_ipaddr
.header
.type
= htons(TE_LINK_SUBTLV_RMTIF_IPADDR
);
465 lp
->rmtif_ipaddr
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
466 lp
->rmtif_ipaddr
.value
[0] = rmtif
;
470 static void set_linkparams_te_metric(struct mpls_te_link
*lp
,
473 lp
->te_metric
.header
.type
= htons(TE_LINK_SUBTLV_TE_METRIC
);
474 lp
->te_metric
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
475 lp
->te_metric
.value
= htonl(te_metric
);
479 static void set_linkparams_max_bw(struct mpls_te_link
*lp
, float fp
)
481 lp
->max_bw
.header
.type
= htons(TE_LINK_SUBTLV_MAX_BW
);
482 lp
->max_bw
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
483 lp
->max_bw
.value
= htonf(fp
);
487 static void set_linkparams_max_rsv_bw(struct mpls_te_link
*lp
, float fp
)
489 lp
->max_rsv_bw
.header
.type
= htons(TE_LINK_SUBTLV_MAX_RSV_BW
);
490 lp
->max_rsv_bw
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
491 lp
->max_rsv_bw
.value
= htonf(fp
);
495 static void set_linkparams_unrsv_bw(struct mpls_te_link
*lp
, int priority
,
498 /* Note that TLV-length field is the size of array. */
499 lp
->unrsv_bw
.header
.type
= htons(TE_LINK_SUBTLV_UNRSV_BW
);
500 lp
->unrsv_bw
.header
.length
= htons(TE_LINK_SUBTLV_UNRSV_SIZE
);
501 lp
->unrsv_bw
.value
[priority
] = htonf(fp
);
505 static void set_linkparams_rsc_clsclr(struct mpls_te_link
*lp
,
508 lp
->rsc_clsclr
.header
.type
= htons(TE_LINK_SUBTLV_RSC_CLSCLR
);
509 lp
->rsc_clsclr
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
510 lp
->rsc_clsclr
.value
= htonl(classcolor
);
514 static void set_linkparams_inter_as(struct mpls_te_link
*lp
,
515 struct in_addr addr
, uint32_t as
)
518 /* Set the Remote ASBR IP address and then the associated AS number */
519 lp
->rip
.header
.type
= htons(TE_LINK_SUBTLV_RIP
);
520 lp
->rip
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
521 lp
->rip
.value
= addr
;
523 lp
->ras
.header
.type
= htons(TE_LINK_SUBTLV_RAS
);
524 lp
->ras
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
525 lp
->ras
.value
= htonl(as
);
528 static void unset_linkparams_inter_as(struct mpls_te_link
*lp
)
531 /* Reset the Remote ASBR IP address and then the associated AS number */
532 lp
->rip
.header
.type
= htons(0);
533 lp
->rip
.header
.length
= htons(0);
534 lp
->rip
.value
.s_addr
= htonl(0);
536 lp
->ras
.header
.type
= htons(0);
537 lp
->ras
.header
.length
= htons(0);
538 lp
->ras
.value
= htonl(0);
541 void set_linkparams_llri(struct mpls_te_link
*lp
, uint32_t local
,
545 lp
->llri
.header
.type
= htons(TE_LINK_SUBTLV_LLRI
);
546 lp
->llri
.header
.length
= htons(TE_LINK_SUBTLV_LLRI_SIZE
);
547 lp
->llri
.local
= htonl(local
);
548 lp
->llri
.remote
= htonl(remote
);
551 void set_linkparams_lrrid(struct mpls_te_link
*lp
, struct in_addr local
,
552 struct in_addr remote
)
555 lp
->lrrid
.header
.type
= htons(TE_LINK_SUBTLV_LRRID
);
556 lp
->lrrid
.header
.length
= htons(TE_LINK_SUBTLV_LRRID_SIZE
);
557 lp
->lrrid
.local
.s_addr
= local
.s_addr
;
558 lp
->lrrid
.remote
.s_addr
= remote
.s_addr
;
561 static void set_linkparams_av_delay(struct mpls_te_link
*lp
, uint32_t delay
,
565 /* Note that TLV-length field is the size of array. */
566 lp
->av_delay
.header
.type
= htons(TE_LINK_SUBTLV_AV_DELAY
);
567 lp
->av_delay
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
568 tmp
= delay
& TE_EXT_MASK
;
570 tmp
|= TE_EXT_ANORMAL
;
571 lp
->av_delay
.value
= htonl(tmp
);
575 static void set_linkparams_mm_delay(struct mpls_te_link
*lp
, uint32_t low
,
576 uint32_t high
, uint8_t anormal
)
579 /* Note that TLV-length field is the size of array. */
580 lp
->mm_delay
.header
.type
= htons(TE_LINK_SUBTLV_MM_DELAY
);
581 lp
->mm_delay
.header
.length
= htons(TE_LINK_SUBTLV_MM_DELAY_SIZE
);
582 tmp
= low
& TE_EXT_MASK
;
584 tmp
|= TE_EXT_ANORMAL
;
585 lp
->mm_delay
.low
= htonl(tmp
);
586 lp
->mm_delay
.high
= htonl(high
);
590 static void set_linkparams_delay_var(struct mpls_te_link
*lp
, uint32_t jitter
)
592 /* Note that TLV-length field is the size of array. */
593 lp
->delay_var
.header
.type
= htons(TE_LINK_SUBTLV_DELAY_VAR
);
594 lp
->delay_var
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
595 lp
->delay_var
.value
= htonl(jitter
& TE_EXT_MASK
);
599 static void set_linkparams_pkt_loss(struct mpls_te_link
*lp
, uint32_t loss
,
603 /* Note that TLV-length field is the size of array. */
604 lp
->pkt_loss
.header
.type
= htons(TE_LINK_SUBTLV_PKT_LOSS
);
605 lp
->pkt_loss
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
606 tmp
= loss
& TE_EXT_MASK
;
608 tmp
|= TE_EXT_ANORMAL
;
609 lp
->pkt_loss
.value
= htonl(tmp
);
613 static void set_linkparams_res_bw(struct mpls_te_link
*lp
, float fp
)
615 /* Note that TLV-length field is the size of array. */
616 lp
->res_bw
.header
.type
= htons(TE_LINK_SUBTLV_RES_BW
);
617 lp
->res_bw
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
618 lp
->res_bw
.value
= htonf(fp
);
622 static void set_linkparams_ava_bw(struct mpls_te_link
*lp
, float fp
)
624 /* Note that TLV-length field is the size of array. */
625 lp
->ava_bw
.header
.type
= htons(TE_LINK_SUBTLV_AVA_BW
);
626 lp
->ava_bw
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
627 lp
->ava_bw
.value
= htonf(fp
);
631 static void set_linkparams_use_bw(struct mpls_te_link
*lp
, float fp
)
633 /* Note that TLV-length field is the size of array. */
634 lp
->use_bw
.header
.type
= htons(TE_LINK_SUBTLV_USE_BW
);
635 lp
->use_bw
.header
.length
= htons(TE_LINK_SUBTLV_DEF_SIZE
);
636 lp
->use_bw
.value
= htonf(fp
);
640 /* Update TE parameters from Interface */
641 static void update_linkparams(struct mpls_te_link
*lp
)
644 struct interface
*ifp
;
646 /* Get the Interface structure */
647 if ((ifp
= lp
->ifp
) == NULL
) {
648 if (IS_DEBUG_OSPF_TE
)
650 "OSPF MPLS-TE: Abort update TE parameters: no interface associated to Link Parameters");
653 if (!HAS_LINK_PARAMS(ifp
)) {
654 if (IS_DEBUG_OSPF_TE
)
656 "OSPF MPLS-TE: Abort update TE parameters: no Link Parameters for interface");
660 /* RFC3630 metrics */
661 if (IS_PARAM_SET(ifp
->link_params
, LP_ADM_GRP
))
662 set_linkparams_rsc_clsclr(lp
, ifp
->link_params
->admin_grp
);
664 TLV_TYPE(lp
->rsc_clsclr
) = 0;
666 if (IS_PARAM_SET(ifp
->link_params
, LP_MAX_BW
))
667 set_linkparams_max_bw(lp
, ifp
->link_params
->max_bw
);
669 TLV_TYPE(lp
->max_bw
) = 0;
671 if (IS_PARAM_SET(ifp
->link_params
, LP_MAX_RSV_BW
))
672 set_linkparams_max_rsv_bw(lp
, ifp
->link_params
->max_rsv_bw
);
674 TLV_TYPE(lp
->max_rsv_bw
) = 0;
676 if (IS_PARAM_SET(ifp
->link_params
, LP_UNRSV_BW
))
677 for (i
= 0; i
< MAX_CLASS_TYPE
; i
++)
678 set_linkparams_unrsv_bw(lp
, i
,
679 ifp
->link_params
->unrsv_bw
[i
]);
681 TLV_TYPE(lp
->unrsv_bw
) = 0;
683 if (IS_PARAM_SET(ifp
->link_params
, LP_TE_METRIC
))
684 set_linkparams_te_metric(lp
, ifp
->link_params
->te_metric
);
686 TLV_TYPE(lp
->te_metric
) = 0;
688 /* TE metric Extensions */
689 if (IS_PARAM_SET(ifp
->link_params
, LP_DELAY
))
690 set_linkparams_av_delay(lp
, ifp
->link_params
->av_delay
, 0);
692 TLV_TYPE(lp
->av_delay
) = 0;
694 if (IS_PARAM_SET(ifp
->link_params
, LP_MM_DELAY
))
695 set_linkparams_mm_delay(lp
, ifp
->link_params
->min_delay
,
696 ifp
->link_params
->max_delay
, 0);
698 TLV_TYPE(lp
->mm_delay
) = 0;
700 if (IS_PARAM_SET(ifp
->link_params
, LP_DELAY_VAR
))
701 set_linkparams_delay_var(lp
, ifp
->link_params
->delay_var
);
703 TLV_TYPE(lp
->delay_var
) = 0;
705 if (IS_PARAM_SET(ifp
->link_params
, LP_PKT_LOSS
))
706 set_linkparams_pkt_loss(lp
, ifp
->link_params
->pkt_loss
, 0);
708 TLV_TYPE(lp
->pkt_loss
) = 0;
710 if (IS_PARAM_SET(ifp
->link_params
, LP_RES_BW
))
711 set_linkparams_res_bw(lp
, ifp
->link_params
->res_bw
);
713 TLV_TYPE(lp
->res_bw
) = 0;
715 if (IS_PARAM_SET(ifp
->link_params
, LP_AVA_BW
))
716 set_linkparams_ava_bw(lp
, ifp
->link_params
->ava_bw
);
718 TLV_TYPE(lp
->ava_bw
) = 0;
720 if (IS_PARAM_SET(ifp
->link_params
, LP_USE_BW
))
721 set_linkparams_use_bw(lp
, ifp
->link_params
->use_bw
);
723 TLV_TYPE(lp
->use_bw
) = 0;
726 if (IS_PARAM_SET(ifp
->link_params
, LP_RMT_AS
)) {
727 /* Flush LSA if it engaged and was previously a STD_TE one */
728 if (IS_STD_TE(lp
->type
)
729 && CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
)) {
730 if (IS_DEBUG_OSPF_TE
)
732 "OSPF MPLS-TE Update IF: Switch from Standard LSA to INTER-AS for %s[%d/%d]",
733 ifp
->name
, lp
->flags
, lp
->type
);
735 ospf_mpls_te_lsa_schedule(lp
, FLUSH_THIS_LSA
);
736 /* Then, switch it to INTER-AS */
737 if (OspfMplsTE
.inter_as
== AS
)
738 lp
->flags
= INTER_AS
| FLOOD_AS
;
740 lp
->flags
= INTER_AS
| FLOOD_AREA
;
741 lp
->area
= ospf_area_lookup_by_area_id(
742 ospf_lookup_by_vrf_id(VRF_DEFAULT
),
743 OspfMplsTE
.interas_areaid
);
746 set_linkparams_inter_as(lp
, ifp
->link_params
->rmt_ip
,
747 ifp
->link_params
->rmt_as
);
749 if (IS_DEBUG_OSPF_TE
)
751 "OSPF MPLS-TE Update IF: Switch from INTER-AS LSA to Standard for %s[%d/%d]",
752 ifp
->name
, lp
->flags
, lp
->type
);
754 /* reset inter-as TE params */
755 /* Flush LSA if it engaged and was previously an INTER_AS one */
756 if (IS_INTER_AS(lp
->type
)
757 && CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
)) {
758 ospf_mpls_te_lsa_schedule(lp
, FLUSH_THIS_LSA
);
759 /* Then, switch it to Standard TE */
760 lp
->flags
= STD_TE
| FLOOD_AREA
;
762 unset_linkparams_inter_as(lp
);
766 static void initialize_linkparams(struct mpls_te_link
*lp
)
768 struct interface
*ifp
= lp
->ifp
;
769 struct ospf_interface
*oi
= NULL
;
770 struct route_node
*rn
;
772 if (IS_DEBUG_OSPF_TE
)
774 "MPLS-TE(initialize_linkparams) Initialize Link Parameters for interface %s",
777 /* Search OSPF Interface parameters for this interface */
778 for (rn
= route_top(IF_OIFS(ifp
)); rn
; rn
= route_next(rn
)) {
780 if ((oi
= rn
->info
) == NULL
)
787 if ((oi
== NULL
) || (oi
->ifp
!= ifp
)) {
788 if (IS_DEBUG_OSPF_TE
)
790 "MPLS-TE(initialize_linkparams) Could not find corresponding OSPF Interface for %s",
796 * Try to set initial values those can be derived from
797 * zebra-interface information.
799 set_linkparams_link_type(oi
, lp
);
801 /* Set local IP addr */
802 set_linkparams_lclif_ipaddr(lp
, oi
->address
->u
.prefix4
);
804 /* Set Remote IP addr if Point to Point Interface */
805 if (oi
->type
== OSPF_IFTYPE_POINTOPOINT
) {
806 struct prefix
*pref
= CONNECTED_PREFIX(oi
->connected
);
808 set_linkparams_rmtif_ipaddr(lp
, pref
->u
.prefix4
);
811 /* Keep Area information in combination with link parameters. */
817 static int is_mandated_params_set(struct mpls_te_link
*lp
)
821 if (ntohs(OspfMplsTE
.router_addr
.header
.type
) == 0) {
823 EC_OSPF_TE_UNEXPECTED
,
824 "MPLS-TE(is_mandated_params_set) Missing Router Address");
828 if (ntohs(lp
->link_type
.header
.type
) == 0) {
829 flog_warn(EC_OSPF_TE_UNEXPECTED
,
830 "MPLS-TE(is_mandated_params_set) Missing Link Type");
834 if (!IS_INTER_AS(lp
->type
) && (ntohs(lp
->link_id
.header
.type
) == 0)) {
835 flog_warn(EC_OSPF_TE_UNEXPECTED
,
836 "MPLS-TE(is_mandated_params_set) Missing Link ID");
844 /*------------------------------------------------------------------------*
845 * Followings are callback functions against generic Opaque-LSAs handling.
846 *------------------------------------------------------------------------*/
848 static int ospf_mpls_te_new_if(struct interface
*ifp
)
850 struct mpls_te_link
*new;
852 if (IS_DEBUG_OSPF_TE
)
854 "MPLS-TE(ospf_mpls_te_new_if) Add new %s interface %s to MPLS-TE list",
855 ifp
->link_params
? "Active" : "Inactive", ifp
->name
);
857 if (lookup_linkparams_by_ifp(ifp
) != NULL
)
860 new = XCALLOC(MTYPE_OSPF_MPLS_TE
, sizeof(struct mpls_te_link
));
862 new->instance
= get_mpls_te_instance_value();
864 /* By default TE-Link is RFC3630 compatible flooding in Area and not
866 /* This default behavior will be adapted with call to
867 * ospf_mpls_te_update_if() */
868 new->type
= STD_TE
| FLOOD_AREA
;
869 new->flags
= LPFLG_LSA_INACTIVE
;
871 /* Initialize Link Parameters from Interface */
872 initialize_linkparams(new);
874 /* Set TE Parameters from Interface */
875 update_linkparams(new);
877 /* Add Link Parameters structure to the list */
878 listnode_add(OspfMplsTE
.iflist
, new);
880 if (IS_DEBUG_OSPF_TE
)
882 "OSPF MPLS-TE New IF: Add new LP context for %s[%d/%d]",
883 ifp
->name
, new->flags
, new->type
);
885 /* Schedule Opaque-LSA refresh. */ /* XXX */
889 static int ospf_mpls_te_del_if(struct interface
*ifp
)
891 struct mpls_te_link
*lp
;
894 if ((lp
= lookup_linkparams_by_ifp(ifp
)) != NULL
) {
895 struct list
*iflist
= OspfMplsTE
.iflist
;
897 /* Dequeue listnode entry from the list. */
898 listnode_delete(iflist
, lp
);
900 XFREE(MTYPE_OSPF_MPLS_TE
, lp
);
903 /* Schedule Opaque-LSA refresh. */ /* XXX */
909 /* Main initialization / update function of the MPLS TE Link context */
911 /* Call when interface TE Link parameters are modified */
912 void ospf_mpls_te_update_if(struct interface
*ifp
)
914 struct mpls_te_link
*lp
;
916 if (IS_DEBUG_OSPF_TE
)
918 "OSPF MPLS-TE: Update LSA parameters for interface %s [%s]",
919 ifp
->name
, HAS_LINK_PARAMS(ifp
) ? "ON" : "OFF");
921 /* Get Link context from interface */
922 if ((lp
= lookup_linkparams_by_ifp(ifp
)) == NULL
) {
924 EC_OSPF_TE_UNEXPECTED
,
925 "OSPF MPLS-TE Update: Did not find Link Parameters context for interface %s",
930 /* Fulfill MPLS-TE Link TLV from Interface TE Link parameters */
931 if (HAS_LINK_PARAMS(ifp
)) {
932 SET_FLAG(lp
->flags
, LPFLG_LSA_ACTIVE
);
934 /* Update TE parameters */
935 update_linkparams(lp
);
937 /* Finally Re-Originate or Refresh Opaque LSA if MPLS_TE is
939 if (OspfMplsTE
.enabled
)
940 if (lp
->area
!= NULL
) {
941 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
))
942 ospf_mpls_te_lsa_schedule(
943 lp
, REFRESH_THIS_LSA
);
945 ospf_mpls_te_lsa_schedule(
946 lp
, REORIGINATE_THIS_LSA
);
949 /* If MPLS TE is disable on this interface, flush LSA if it is
951 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
))
952 ospf_mpls_te_lsa_schedule(lp
, FLUSH_THIS_LSA
);
954 /* Reset Activity flag */
955 lp
->flags
= LPFLG_LSA_INACTIVE
;
961 static void ospf_mpls_te_ism_change(struct ospf_interface
*oi
, int old_state
)
963 struct te_link_subtlv_link_type old_type
;
964 struct te_link_subtlv_link_id old_id
;
965 struct mpls_te_link
*lp
;
967 if ((lp
= lookup_linkparams_by_ifp(oi
->ifp
)) == NULL
) {
969 EC_OSPF_TE_UNEXPECTED
,
970 "ospf_mpls_te_ism_change: Cannot get linkparams from OI(%s)?",
975 if (oi
->area
== NULL
|| oi
->area
->ospf
== NULL
) {
977 EC_OSPF_TE_UNEXPECTED
,
978 "ospf_mpls_te_ism_change: Cannot refer to OSPF from OI(%s)?",
983 if ((lp
->area
!= NULL
984 && !IPV4_ADDR_SAME(&lp
->area
->area_id
, &oi
->area
->area_id
))
985 || (lp
->area
!= NULL
&& oi
->area
== NULL
)) {
986 /* How should we consider this case? */
988 EC_OSPF_TE_UNEXPECTED
,
989 "MPLS-TE: Area for OI(%s) has changed to [%s], flush previous LSAs",
991 oi
->area
? inet_ntoa(oi
->area
->area_id
) : "N/A");
992 ospf_mpls_te_lsa_schedule(lp
, FLUSH_THIS_LSA
);
995 /* Keep Area information in combination with linkparams. */
998 /* Keep interface MPLS-TE status */
999 lp
->flags
= HAS_LINK_PARAMS(oi
->ifp
);
1001 switch (oi
->state
) {
1002 case ISM_PointToPoint
:
1006 old_type
= lp
->link_type
;
1007 old_id
= lp
->link_id
;
1009 /* Set Link type, Link ID, Local and Remote IP addr */
1010 set_linkparams_link_type(oi
, lp
);
1011 set_linkparams_link_id(oi
, lp
);
1012 set_linkparams_lclif_ipaddr(lp
, oi
->address
->u
.prefix4
);
1014 if (oi
->type
== LINK_TYPE_SUBTLV_VALUE_PTP
) {
1015 struct prefix
*pref
= CONNECTED_PREFIX(oi
->connected
);
1017 set_linkparams_rmtif_ipaddr(lp
,
1021 /* Update TE parameters */
1022 update_linkparams(lp
);
1024 /* Try to Schedule LSA */
1025 if ((ntohs(old_type
.header
.type
)
1026 != ntohs(lp
->link_type
.header
.type
)
1027 || old_type
.link_type
.value
1028 != lp
->link_type
.link_type
.value
)
1029 || (ntohs(old_id
.header
.type
)
1030 != ntohs(lp
->link_id
.header
.type
)
1031 || ntohl(old_id
.value
.s_addr
)
1032 != ntohl(lp
->link_id
.value
.s_addr
))) {
1033 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
))
1034 ospf_mpls_te_lsa_schedule(lp
, REFRESH_THIS_LSA
);
1036 ospf_mpls_te_lsa_schedule(lp
,
1037 REORIGINATE_THIS_LSA
);
1041 lp
->link_type
.header
.type
= htons(0);
1042 lp
->link_id
.header
.type
= htons(0);
1044 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
))
1045 ospf_mpls_te_lsa_schedule(lp
, FLUSH_THIS_LSA
);
1052 static void ospf_mpls_te_nsm_change(struct ospf_neighbor
*nbr
, int old_state
)
1054 /* Nothing to do here */
1058 /*------------------------------------------------------------------------*
1059 * Followings are OSPF protocol processing functions for MPLS-TE.
1060 *------------------------------------------------------------------------*/
1062 static void build_tlv_header(struct stream
*s
, struct tlv_header
*tlvh
)
1064 stream_put(s
, tlvh
, sizeof(struct tlv_header
));
1068 static void build_router_tlv(struct stream
*s
)
1070 struct tlv_header
*tlvh
= &OspfMplsTE
.router_addr
.header
;
1071 if (ntohs(tlvh
->type
) != 0) {
1072 build_tlv_header(s
, tlvh
);
1073 stream_put(s
, TLV_DATA(tlvh
), TLV_BODY_SIZE(tlvh
));
1078 static void build_link_subtlv(struct stream
*s
, struct tlv_header
*tlvh
)
1081 if ((tlvh
!= NULL
) && (ntohs(tlvh
->type
) != 0)) {
1082 build_tlv_header(s
, tlvh
);
1083 stream_put(s
, TLV_DATA(tlvh
), TLV_BODY_SIZE(tlvh
));
1088 static void build_link_tlv(struct stream
*s
, struct mpls_te_link
*lp
)
1090 set_linkparams_link_header(lp
);
1091 build_tlv_header(s
, &lp
->link_header
.header
);
1093 build_link_subtlv(s
, &lp
->link_type
.header
);
1094 build_link_subtlv(s
, &lp
->link_id
.header
);
1095 build_link_subtlv(s
, &lp
->lclif_ipaddr
.header
);
1096 build_link_subtlv(s
, &lp
->rmtif_ipaddr
.header
);
1097 build_link_subtlv(s
, &lp
->te_metric
.header
);
1098 build_link_subtlv(s
, &lp
->max_bw
.header
);
1099 build_link_subtlv(s
, &lp
->max_rsv_bw
.header
);
1100 build_link_subtlv(s
, &lp
->unrsv_bw
.header
);
1101 build_link_subtlv(s
, &lp
->rsc_clsclr
.header
);
1102 build_link_subtlv(s
, &lp
->lrrid
.header
);
1103 build_link_subtlv(s
, &lp
->llri
.header
);
1104 build_link_subtlv(s
, &lp
->rip
.header
);
1105 build_link_subtlv(s
, &lp
->ras
.header
);
1106 build_link_subtlv(s
, &lp
->av_delay
.header
);
1107 build_link_subtlv(s
, &lp
->mm_delay
.header
);
1108 build_link_subtlv(s
, &lp
->delay_var
.header
);
1109 build_link_subtlv(s
, &lp
->pkt_loss
.header
);
1110 build_link_subtlv(s
, &lp
->res_bw
.header
);
1111 build_link_subtlv(s
, &lp
->ava_bw
.header
);
1112 build_link_subtlv(s
, &lp
->use_bw
.header
);
1117 static void ospf_mpls_te_lsa_body_set(struct stream
*s
, struct mpls_te_link
*lp
)
1120 * The router address TLV is type 1, and ...
1121 * It must appear in exactly one
1122 * Traffic Engineering LSA originated by a router.
1124 build_router_tlv(s
);
1127 * Only one Link TLV shall be carried in each LSA, allowing for fine
1128 * granularity changes in topology.
1130 build_link_tlv(s
, lp
);
1134 /* Create new opaque-LSA. */
1135 static struct ospf_lsa
*ospf_mpls_te_lsa_new(struct ospf
*ospf
,
1136 struct ospf_area
*area
,
1137 struct mpls_te_link
*lp
)
1140 struct lsa_header
*lsah
;
1141 struct ospf_lsa
*new = NULL
;
1142 uint8_t options
, lsa_type
= 0;
1143 struct in_addr lsa_id
;
1147 /* Create a stream for LSA. */
1148 s
= stream_new(OSPF_MAX_LSA_SIZE
);
1149 lsah
= (struct lsa_header
*)STREAM_DATA(s
);
1151 options
= OSPF_OPTION_O
; /* Don't forget this :-) */
1153 /* Set opaque-LSA header fields depending of the type of RFC */
1154 if (IS_INTER_AS(lp
->type
)) {
1155 if (IS_FLOOD_AS(lp
->type
)) {
1156 /* Enable AS external as we flood Inter-AS with Opaque
1159 options
|= OSPF_OPTION_E
;
1160 lsa_type
= OSPF_OPAQUE_AS_LSA
;
1162 options
|= LSA_OPTIONS_GET(
1163 area
); /* Get area default option */
1164 options
|= LSA_OPTIONS_NSSA_GET(area
);
1165 lsa_type
= OSPF_OPAQUE_AREA_LSA
;
1167 tmp
= SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA
, lp
->instance
);
1168 lsa_id
.s_addr
= htonl(tmp
);
1175 lsa_header_set(s
, options
, lsa_type
, lsa_id
, ospf
->router_id
);
1177 options
|= LSA_OPTIONS_GET(area
); /* Get area default option */
1178 options
|= LSA_OPTIONS_NSSA_GET(area
);
1179 lsa_type
= OSPF_OPAQUE_AREA_LSA
;
1180 tmp
= SET_OPAQUE_LSID(OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA
,
1182 lsa_id
.s_addr
= htonl(tmp
);
1183 lsa_header_set(s
, options
, lsa_type
, lsa_id
,
1184 area
->ospf
->router_id
);
1187 if (IS_DEBUG_OSPF(lsa
, LSA_GENERATE
))
1189 "LSA[Type%d:%s]: Create an Opaque-LSA/MPLS-TE instance",
1190 lsa_type
, inet_ntoa(lsa_id
));
1192 /* Set opaque-LSA body fields. */
1193 ospf_mpls_te_lsa_body_set(s
, lp
);
1196 length
= stream_get_endp(s
);
1197 lsah
->length
= htons(length
);
1199 /* Now, create an OSPF LSA instance. */
1200 new = ospf_lsa_new_and_data(length
);
1202 new->vrf_id
= ospf
->vrf_id
;
1203 if (area
&& area
->ospf
)
1204 new->vrf_id
= area
->ospf
->vrf_id
;
1206 SET_FLAG(new->flags
, OSPF_LSA_SELF
);
1207 memcpy(new->data
, lsah
, length
);
1213 static int ospf_mpls_te_lsa_originate1(struct ospf_area
*area
,
1214 struct mpls_te_link
*lp
)
1216 struct ospf_lsa
*new = NULL
;
1219 /* Create new Opaque-LSA/MPLS-TE instance. */
1220 new = ospf_mpls_te_lsa_new(area
->ospf
, area
, lp
);
1223 EC_OSPF_TE_UNEXPECTED
,
1224 "ospf_mpls_te_lsa_originate1: ospf_mpls_te_lsa_new() ?");
1228 /* Install this LSA into LSDB. */
1229 if (ospf_lsa_install(area
->ospf
, NULL
/*oi*/, new) == NULL
) {
1230 flog_warn(EC_OSPF_LSA_INSTALL_FAILURE
,
1231 "ospf_mpls_te_lsa_originate1: ospf_lsa_install() ?");
1232 ospf_lsa_unlock(&new);
1236 /* Now this link-parameter entry has associated LSA. */
1237 SET_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
);
1238 /* Update new LSA origination count. */
1239 area
->ospf
->lsa_originate_count
++;
1241 /* Flood new LSA through area. */
1242 ospf_flood_through_area(area
, NULL
/*nbr*/, new);
1244 if (IS_DEBUG_OSPF(lsa
, LSA_GENERATE
)) {
1245 char area_id
[INET_ADDRSTRLEN
];
1246 strlcpy(area_id
, inet_ntoa(area
->area_id
), sizeof(area_id
));
1248 "LSA[Type%d:%s]: Originate Opaque-LSA/MPLS-TE: Area(%s), Link(%s)",
1249 new->data
->type
, inet_ntoa(new->data
->id
), area_id
,
1251 ospf_lsa_header_dump(new->data
);
1258 static int ospf_mpls_te_lsa_originate_area(void *arg
)
1260 struct ospf_area
*area
= (struct ospf_area
*)arg
;
1261 struct listnode
*node
, *nnode
;
1262 struct mpls_te_link
*lp
;
1265 if (!OspfMplsTE
.enabled
) {
1267 "ospf_mpls_te_lsa_originate_area: MPLS-TE is disabled now.");
1268 rc
= 0; /* This is not an error case. */
1272 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
)) {
1273 /* Process only enabled LSA with area scope flooding */
1274 if (!CHECK_FLAG(lp
->flags
, LPFLG_LSA_ACTIVE
)
1275 || IS_FLOOD_AS(lp
->type
))
1278 if (lp
->area
== NULL
)
1281 if (!IPV4_ADDR_SAME(&lp
->area
->area_id
, &area
->area_id
))
1284 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
)) {
1285 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_FORCED_REFRESH
)) {
1286 UNSET_FLAG(lp
->flags
, LPFLG_LSA_FORCED_REFRESH
);
1288 "OSPF MPLS-TE (ospf_mpls_te_lsa_originate_area): Refresh instead of Originate");
1289 ospf_mpls_te_lsa_schedule(lp
, REFRESH_THIS_LSA
);
1294 if (!is_mandated_params_set(lp
)) {
1296 "ospf_mpls_te_lsa_originate_area: Link(%s) lacks some mandated MPLS-TE parameters.",
1297 lp
->ifp
? lp
->ifp
->name
: "?");
1301 /* Ok, let's try to originate an LSA for this area and Link. */
1302 if (IS_DEBUG_OSPF_TE
)
1304 "MPLS-TE(ospf_mpls_te_lsa_originate_area) Let's finally reoriginate the LSA %d through the Area %s for Link %s",
1305 lp
->instance
, inet_ntoa(area
->area_id
),
1306 lp
->ifp
? lp
->ifp
->name
: "?");
1307 if (ospf_mpls_te_lsa_originate1(area
, lp
) != 0)
1315 static int ospf_mpls_te_lsa_originate2(struct ospf
*top
,
1316 struct mpls_te_link
*lp
)
1318 struct ospf_lsa
*new;
1321 /* Create new Opaque-LSA/Inter-AS instance. */
1322 new = ospf_mpls_te_lsa_new(top
, NULL
, lp
);
1325 EC_OSPF_LSA_UNEXPECTED
,
1326 "ospf_mpls_te_lsa_originate2: ospf_router_info_lsa_new() ?");
1329 new->vrf_id
= top
->vrf_id
;
1331 /* Install this LSA into LSDB. */
1332 if (ospf_lsa_install(top
, NULL
/*oi */, new) == NULL
) {
1333 flog_warn(EC_OSPF_LSA_INSTALL_FAILURE
,
1334 "ospf_mpls_te_lsa_originate2: ospf_lsa_install() ?");
1335 ospf_lsa_unlock(&new);
1339 /* Now this Router Info parameter entry has associated LSA. */
1340 SET_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
);
1341 /* Update new LSA origination count. */
1342 top
->lsa_originate_count
++;
1344 /* Flood new LSA through AS. */
1345 ospf_flood_through_as(top
, NULL
/*nbr */, new);
1347 if (IS_DEBUG_OSPF(lsa
, LSA_GENERATE
)) {
1349 "LSA[Type%d:%s]: Originate Opaque-LSA/MPLS-TE Inter-AS",
1350 new->data
->type
, inet_ntoa(new->data
->id
));
1351 ospf_lsa_header_dump(new->data
);
1358 static int ospf_mpls_te_lsa_originate_as(void *arg
)
1361 struct ospf_area
*area
;
1362 struct listnode
*node
, *nnode
;
1363 struct mpls_te_link
*lp
;
1366 if ((!OspfMplsTE
.enabled
) || (OspfMplsTE
.inter_as
== Off
)) {
1368 "ospf_mpls_te_lsa_originate_as: MPLS-TE Inter-AS is disabled for now.");
1369 rc
= 0; /* This is not an error case. */
1373 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
)) {
1374 /* Process only enabled INTER_AS Links or Pseudo-Links */
1375 if (!CHECK_FLAG(lp
->flags
, LPFLG_LSA_ACTIVE
)
1376 || !IS_INTER_AS(lp
->type
))
1379 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
)) {
1380 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_FORCED_REFRESH
)) {
1381 UNSET_FLAG(lp
->flags
, LPFLG_LSA_FORCED_REFRESH
);
1382 ospf_mpls_te_lsa_schedule(lp
, REFRESH_THIS_LSA
);
1387 if (!is_mandated_params_set(lp
)) {
1389 EC_OSPF_TE_UNEXPECTED
,
1390 "ospf_mpls_te_lsa_originate_as: Link(%s) lacks some mandated MPLS-TE parameters.",
1391 lp
->ifp
? lp
->ifp
->name
: "?");
1395 /* Ok, let's try to originate an LSA for this AS and Link. */
1396 if (IS_DEBUG_OSPF_TE
)
1398 "MPLS-TE(ospf_mpls_te_lsa_originate_as) Let's finally re-originate the Inter-AS LSA %d through the %s for Link %s",
1400 IS_FLOOD_AS(lp
->type
) ? "AS" : "Area",
1401 lp
->ifp
? lp
->ifp
->name
: "Unknown");
1403 if (IS_FLOOD_AS(lp
->type
)) {
1404 top
= (struct ospf
*)arg
;
1405 ospf_mpls_te_lsa_originate2(top
, lp
);
1407 area
= (struct ospf_area
*)arg
;
1408 ospf_mpls_te_lsa_originate1(area
, lp
);
1416 static struct ospf_lsa
*ospf_mpls_te_lsa_refresh(struct ospf_lsa
*lsa
)
1418 struct mpls_te_link
*lp
;
1419 struct ospf_area
*area
= lsa
->area
;
1421 struct ospf_lsa
*new = NULL
;
1423 if (!OspfMplsTE
.enabled
) {
1425 * This LSA must have flushed before due to MPLS-TE status
1427 * It seems a slip among routers in the routing domain.
1429 zlog_info("ospf_mpls_te_lsa_refresh: MPLS-TE is disabled now.");
1431 htons(OSPF_LSA_MAXAGE
); /* Flush it anyway. */
1434 /* At first, resolve lsa/lp relationship. */
1435 if ((lp
= lookup_linkparams_by_instance(lsa
)) == NULL
) {
1436 flog_warn(EC_OSPF_TE_UNEXPECTED
,
1437 "ospf_mpls_te_lsa_refresh: Invalid parameter?");
1439 htons(OSPF_LSA_MAXAGE
); /* Flush it anyway. */
1440 ospf_opaque_lsa_flush_schedule(lsa
);
1444 /* Check if lp was not disable in the interval */
1445 if (!CHECK_FLAG(lp
->flags
, LPFLG_LSA_ACTIVE
)) {
1447 EC_OSPF_TE_UNEXPECTED
,
1448 "ospf_mpls_te_lsa_refresh: lp was disabled: Flush it!");
1450 htons(OSPF_LSA_MAXAGE
); /* Flush it anyway. */
1453 /* If the lsa's age reached to MaxAge, start flushing procedure. */
1454 if (IS_LSA_MAXAGE(lsa
)) {
1455 UNSET_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
);
1456 ospf_opaque_lsa_flush_schedule(lsa
);
1459 top
= ospf_lookup_by_vrf_id(lsa
->vrf_id
);
1460 /* Create new Opaque-LSA/MPLS-TE instance. */
1461 new = ospf_mpls_te_lsa_new(top
, area
, lp
);
1463 flog_warn(EC_OSPF_TE_UNEXPECTED
,
1464 "ospf_mpls_te_lsa_refresh: ospf_mpls_te_lsa_new() ?");
1467 new->data
->ls_seqnum
= lsa_seqnum_increment(lsa
);
1469 /* Install this LSA into LSDB. */
1470 /* Given "lsa" will be freed in the next function. */
1471 /* As area could be NULL i.e. when using OPAQUE_LSA_AS, we prefer to use
1472 * ospf_lookup() to get ospf instance */
1476 if (ospf_lsa_install(top
, NULL
/*oi */, new) == NULL
) {
1477 flog_warn(EC_OSPF_LSA_INSTALL_FAILURE
,
1478 "ospf_mpls_te_lsa_refresh: ospf_lsa_install() ?");
1479 ospf_lsa_unlock(&new);
1483 /* Flood updated LSA through AS or Area depending of the RFC of the link
1485 if (IS_FLOOD_AS(lp
->type
))
1486 ospf_flood_through_as(top
, NULL
, new);
1488 ospf_flood_through_area(area
, NULL
/*nbr*/, new);
1490 /* Debug logging. */
1491 if (IS_DEBUG_OSPF(lsa
, LSA_GENERATE
)) {
1492 zlog_debug("LSA[Type%d:%s]: Refresh Opaque-LSA/MPLS-TE",
1493 new->data
->type
, inet_ntoa(new->data
->id
));
1494 ospf_lsa_header_dump(new->data
);
1500 void ospf_mpls_te_lsa_schedule(struct mpls_te_link
*lp
, enum lsa_opcode opcode
)
1502 struct ospf_lsa lsa
;
1503 struct lsa_header lsah
;
1507 memset(&lsa
, 0, sizeof(lsa
));
1508 memset(&lsah
, 0, sizeof(lsah
));
1509 top
= ospf_lookup_by_vrf_id(VRF_DEFAULT
);
1511 /* Check if the pseudo link is ready to flood */
1512 if (!(CHECK_FLAG(lp
->flags
, LPFLG_LSA_ACTIVE
))
1513 || !(IS_FLOOD_AREA(lp
->type
) || IS_FLOOD_AS(lp
->type
))) {
1517 lsa
.area
= lp
->area
;
1519 if (IS_FLOOD_AS(lp
->type
)) {
1520 lsah
.type
= OSPF_OPAQUE_AS_LSA
;
1521 tmp
= SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA
, lp
->instance
);
1522 lsah
.id
.s_addr
= htonl(tmp
);
1524 lsah
.type
= OSPF_OPAQUE_AREA_LSA
;
1525 if (IS_INTER_AS(lp
->type
)) {
1526 /* Set the area context if not know */
1527 if (lp
->area
== NULL
)
1528 lp
->area
= ospf_area_lookup_by_area_id(
1529 top
, OspfMplsTE
.interas_areaid
);
1530 /* Unable to set the area context. Abort! */
1531 if (lp
->area
== NULL
) {
1533 EC_OSPF_TE_UNEXPECTED
,
1534 "MPLS-TE(ospf_mpls_te_lsa_schedule) Area context is null. Abort !");
1537 tmp
= SET_OPAQUE_LSID(OPAQUE_TYPE_INTER_AS_LSA
,
1540 tmp
= SET_OPAQUE_LSID(
1541 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA
,
1543 lsah
.id
.s_addr
= htonl(tmp
);
1547 case REORIGINATE_THIS_LSA
:
1548 if (IS_FLOOD_AS(lp
->type
)) {
1549 ospf_opaque_lsa_reoriginate_schedule(
1550 (void *)top
, OSPF_OPAQUE_AS_LSA
,
1551 OPAQUE_TYPE_INTER_AS_LSA
);
1555 if (IS_FLOOD_AREA(lp
->type
)) {
1556 if (IS_INTER_AS(lp
->type
))
1557 ospf_opaque_lsa_reoriginate_schedule(
1558 (void *)lp
->area
, OSPF_OPAQUE_AREA_LSA
,
1559 OPAQUE_TYPE_INTER_AS_LSA
);
1561 ospf_opaque_lsa_reoriginate_schedule(
1562 (void *)lp
->area
, OSPF_OPAQUE_AREA_LSA
,
1563 OPAQUE_TYPE_TRAFFIC_ENGINEERING_LSA
);
1567 case REFRESH_THIS_LSA
:
1568 ospf_opaque_lsa_refresh_schedule(&lsa
);
1570 case FLUSH_THIS_LSA
:
1571 /* Reset Activity flag */
1572 lp
->flags
= LPFLG_LSA_INACTIVE
;
1573 ospf_opaque_lsa_flush_schedule(&lsa
);
1576 flog_warn(EC_OSPF_TE_UNEXPECTED
,
1577 "ospf_mpls_te_lsa_schedule: Unknown opcode (%u)",
1586 /*------------------------------------------------------------------------*
1587 * Followings are vty session control functions.
1588 *------------------------------------------------------------------------*/
1590 static uint16_t show_vty_router_addr(struct vty
*vty
, struct tlv_header
*tlvh
)
1592 struct te_tlv_router_addr
*top
= (struct te_tlv_router_addr
*)tlvh
;
1595 vty_out(vty
, " Router-Address: %s\n", inet_ntoa(top
->value
));
1597 zlog_debug(" Router-Address: %s", inet_ntoa(top
->value
));
1599 return TLV_SIZE(tlvh
);
1602 static uint16_t show_vty_link_header(struct vty
*vty
, struct tlv_header
*tlvh
)
1604 struct te_tlv_link
*top
= (struct te_tlv_link
*)tlvh
;
1607 vty_out(vty
, " Link: %u octets of data\n",
1608 ntohs(top
->header
.length
));
1610 zlog_debug(" Link: %u octets of data",
1611 ntohs(top
->header
.length
));
1613 return TLV_HDR_SIZE
; /* Here is special, not "TLV_SIZE". */
1616 static uint16_t show_vty_link_subtlv_link_type(struct vty
*vty
,
1617 struct tlv_header
*tlvh
)
1619 struct te_link_subtlv_link_type
*top
;
1620 const char *cp
= "Unknown";
1622 top
= (struct te_link_subtlv_link_type
*)tlvh
;
1623 switch (top
->link_type
.value
) {
1624 case LINK_TYPE_SUBTLV_VALUE_PTP
:
1625 cp
= "Point-to-point";
1627 case LINK_TYPE_SUBTLV_VALUE_MA
:
1635 vty_out(vty
, " Link-Type: %s (%u)\n", cp
,
1636 top
->link_type
.value
);
1638 zlog_debug(" Link-Type: %s (%u)", cp
, top
->link_type
.value
);
1640 return TLV_SIZE(tlvh
);
1643 static uint16_t show_vty_link_subtlv_link_id(struct vty
*vty
,
1644 struct tlv_header
*tlvh
)
1646 struct te_link_subtlv_link_id
*top
;
1648 top
= (struct te_link_subtlv_link_id
*)tlvh
;
1650 vty_out(vty
, " Link-ID: %s\n", inet_ntoa(top
->value
));
1652 zlog_debug(" Link-ID: %s", inet_ntoa(top
->value
));
1654 return TLV_SIZE(tlvh
);
1657 static uint16_t show_vty_link_subtlv_lclif_ipaddr(struct vty
*vty
,
1658 struct tlv_header
*tlvh
)
1660 struct te_link_subtlv_lclif_ipaddr
*top
;
1663 top
= (struct te_link_subtlv_lclif_ipaddr
*)tlvh
;
1664 n
= ntohs(tlvh
->length
) / sizeof(top
->value
[0]);
1667 vty_out(vty
, " Local Interface IP Address(es): %d\n", n
);
1669 zlog_debug(" Local Interface IP Address(es): %d", n
);
1671 for (i
= 0; i
< n
; i
++) {
1673 vty_out(vty
, " #%d: %s\n", i
,
1674 inet_ntoa(top
->value
[i
]));
1676 zlog_debug(" #%d: %s", i
,
1677 inet_ntoa(top
->value
[i
]));
1679 return TLV_SIZE(tlvh
);
1682 static uint16_t show_vty_link_subtlv_rmtif_ipaddr(struct vty
*vty
,
1683 struct tlv_header
*tlvh
)
1685 struct te_link_subtlv_rmtif_ipaddr
*top
;
1688 top
= (struct te_link_subtlv_rmtif_ipaddr
*)tlvh
;
1689 n
= ntohs(tlvh
->length
) / sizeof(top
->value
[0]);
1691 vty_out(vty
, " Remote Interface IP Address(es): %d\n", n
);
1693 zlog_debug(" Remote Interface IP Address(es): %d", n
);
1695 for (i
= 0; i
< n
; i
++) {
1697 vty_out(vty
, " #%d: %s\n", i
,
1698 inet_ntoa(top
->value
[i
]));
1700 zlog_debug(" #%d: %s", i
,
1701 inet_ntoa(top
->value
[i
]));
1703 return TLV_SIZE(tlvh
);
1706 static uint16_t show_vty_link_subtlv_te_metric(struct vty
*vty
,
1707 struct tlv_header
*tlvh
)
1709 struct te_link_subtlv_te_metric
*top
;
1711 top
= (struct te_link_subtlv_te_metric
*)tlvh
;
1713 vty_out(vty
, " Traffic Engineering Metric: %u\n",
1714 (uint32_t)ntohl(top
->value
));
1716 zlog_debug(" Traffic Engineering Metric: %u",
1717 (uint32_t)ntohl(top
->value
));
1719 return TLV_SIZE(tlvh
);
1722 static uint16_t show_vty_link_subtlv_max_bw(struct vty
*vty
,
1723 struct tlv_header
*tlvh
)
1725 struct te_link_subtlv_max_bw
*top
;
1728 top
= (struct te_link_subtlv_max_bw
*)tlvh
;
1729 fval
= ntohf(top
->value
);
1732 vty_out(vty
, " Maximum Bandwidth: %g (Bytes/sec)\n", fval
);
1734 zlog_debug(" Maximum Bandwidth: %g (Bytes/sec)", fval
);
1736 return TLV_SIZE(tlvh
);
1739 static uint16_t show_vty_link_subtlv_max_rsv_bw(struct vty
*vty
,
1740 struct tlv_header
*tlvh
)
1742 struct te_link_subtlv_max_rsv_bw
*top
;
1745 top
= (struct te_link_subtlv_max_rsv_bw
*)tlvh
;
1746 fval
= ntohf(top
->value
);
1749 vty_out(vty
, " Maximum Reservable Bandwidth: %g (Bytes/sec)\n",
1752 zlog_debug(" Maximum Reservable Bandwidth: %g (Bytes/sec)",
1755 return TLV_SIZE(tlvh
);
1758 static uint16_t show_vty_link_subtlv_unrsv_bw(struct vty
*vty
,
1759 struct tlv_header
*tlvh
)
1761 struct te_link_subtlv_unrsv_bw
*top
;
1765 top
= (struct te_link_subtlv_unrsv_bw
*)tlvh
;
1768 " Unreserved Bandwidth per Class Type in Byte/s:\n");
1771 " Unreserved Bandwidth per Class Type in Byte/s:");
1772 for (i
= 0; i
< MAX_CLASS_TYPE
; i
+= 2) {
1773 fval1
= ntohf(top
->value
[i
]);
1774 fval2
= ntohf(top
->value
[i
+ 1]);
1778 " [%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)\n",
1779 i
, fval1
, i
+ 1, fval2
);
1782 " [%d]: %g (Bytes/sec),\t[%d]: %g (Bytes/sec)",
1783 i
, fval1
, i
+ 1, fval2
);
1786 return TLV_SIZE(tlvh
);
1789 static uint16_t show_vty_link_subtlv_rsc_clsclr(struct vty
*vty
,
1790 struct tlv_header
*tlvh
)
1792 struct te_link_subtlv_rsc_clsclr
*top
;
1794 top
= (struct te_link_subtlv_rsc_clsclr
*)tlvh
;
1796 vty_out(vty
, " Resource class/color: 0x%x\n",
1797 (uint32_t)ntohl(top
->value
));
1799 zlog_debug(" Resource Class/Color: 0x%x",
1800 (uint32_t)ntohl(top
->value
));
1802 return TLV_SIZE(tlvh
);
1805 static uint16_t show_vty_link_subtlv_lrrid(struct vty
*vty
,
1806 struct tlv_header
*tlvh
)
1808 struct te_link_subtlv_lrrid
*top
;
1810 top
= (struct te_link_subtlv_lrrid
*)tlvh
;
1813 vty_out(vty
, " Local TE Router ID: %s\n",
1814 inet_ntoa(top
->local
));
1815 vty_out(vty
, " Remote TE Router ID: %s\n",
1816 inet_ntoa(top
->remote
));
1818 zlog_debug(" Local TE Router ID: %s",
1819 inet_ntoa(top
->local
));
1820 zlog_debug(" Remote TE Router ID: %s",
1821 inet_ntoa(top
->remote
));
1824 return TLV_SIZE(tlvh
);
1827 static uint16_t show_vty_link_subtlv_llri(struct vty
*vty
,
1828 struct tlv_header
*tlvh
)
1830 struct te_link_subtlv_llri
*top
;
1832 top
= (struct te_link_subtlv_llri
*)tlvh
;
1835 vty_out(vty
, " Link Local ID: %d\n",
1836 (uint32_t)ntohl(top
->local
));
1837 vty_out(vty
, " Link Remote ID: %d\n",
1838 (uint32_t)ntohl(top
->remote
));
1840 zlog_debug(" Link Local ID: %d",
1841 (uint32_t)ntohl(top
->local
));
1842 zlog_debug(" Link Remote ID: %d",
1843 (uint32_t)ntohl(top
->remote
));
1846 return TLV_SIZE(tlvh
);
1849 static uint16_t show_vty_link_subtlv_rip(struct vty
*vty
,
1850 struct tlv_header
*tlvh
)
1852 struct te_link_subtlv_rip
*top
;
1854 top
= (struct te_link_subtlv_rip
*)tlvh
;
1857 vty_out(vty
, " Inter-AS TE Remote ASBR IP address: %s\n",
1858 inet_ntoa(top
->value
));
1860 zlog_debug(" Inter-AS TE Remote ASBR IP address: %s",
1861 inet_ntoa(top
->value
));
1863 return TLV_SIZE(tlvh
);
1866 static uint16_t show_vty_link_subtlv_ras(struct vty
*vty
,
1867 struct tlv_header
*tlvh
)
1869 struct te_link_subtlv_ras
*top
;
1871 top
= (struct te_link_subtlv_ras
*)tlvh
;
1874 vty_out(vty
, " Inter-AS TE Remote AS number: %u\n",
1877 zlog_debug(" Inter-AS TE Remote AS number: %u",
1880 return TLV_SIZE(tlvh
);
1883 static uint16_t show_vty_link_subtlv_av_delay(struct vty
*vty
,
1884 struct tlv_header
*tlvh
)
1886 struct te_link_subtlv_av_delay
*top
;
1890 top
= (struct te_link_subtlv_av_delay
*)tlvh
;
1891 delay
= (uint32_t)ntohl(top
->value
) & TE_EXT_MASK
;
1892 anomalous
= (uint32_t)ntohl(top
->value
) & TE_EXT_ANORMAL
;
1895 vty_out(vty
, " %s Average Link Delay: %d (micro-sec)\n",
1896 anomalous
? "Anomalous" : "Normal", delay
);
1898 zlog_debug(" %s Average Link Delay: %d (micro-sec)",
1899 anomalous
? "Anomalous" : "Normal", delay
);
1901 return TLV_SIZE(tlvh
);
1904 static uint16_t show_vty_link_subtlv_mm_delay(struct vty
*vty
,
1905 struct tlv_header
*tlvh
)
1907 struct te_link_subtlv_mm_delay
*top
;
1911 top
= (struct te_link_subtlv_mm_delay
*)tlvh
;
1912 low
= (uint32_t)ntohl(top
->low
) & TE_EXT_MASK
;
1913 anomalous
= (uint32_t)ntohl(top
->low
) & TE_EXT_ANORMAL
;
1914 high
= (uint32_t)ntohl(top
->high
);
1917 vty_out(vty
, " %s Min/Max Link Delay: %d/%d (micro-sec)\n",
1918 anomalous
? "Anomalous" : "Normal", low
, high
);
1920 zlog_debug(" %s Min/Max Link Delay: %d/%d (micro-sec)",
1921 anomalous
? "Anomalous" : "Normal", low
, high
);
1923 return TLV_SIZE(tlvh
);
1926 static uint16_t show_vty_link_subtlv_delay_var(struct vty
*vty
,
1927 struct tlv_header
*tlvh
)
1929 struct te_link_subtlv_delay_var
*top
;
1932 top
= (struct te_link_subtlv_delay_var
*)tlvh
;
1933 jitter
= (uint32_t)ntohl(top
->value
) & TE_EXT_MASK
;
1936 vty_out(vty
, " Delay Variation: %d (micro-sec)\n", jitter
);
1938 zlog_debug(" Delay Variation: %d (micro-sec)", jitter
);
1940 return TLV_SIZE(tlvh
);
1943 static uint16_t show_vty_link_subtlv_pkt_loss(struct vty
*vty
,
1944 struct tlv_header
*tlvh
)
1946 struct te_link_subtlv_pkt_loss
*top
;
1951 top
= (struct te_link_subtlv_pkt_loss
*)tlvh
;
1952 loss
= (uint32_t)ntohl(top
->value
) & TE_EXT_MASK
;
1953 fval
= (float)(loss
* LOSS_PRECISION
);
1954 anomalous
= (uint32_t)ntohl(top
->value
) & TE_EXT_ANORMAL
;
1957 vty_out(vty
, " %s Link Loss: %g (%%)\n",
1958 anomalous
? "Anomalous" : "Normal", fval
);
1960 zlog_debug(" %s Link Loss: %g (%%)",
1961 anomalous
? "Anomalous" : "Normal", fval
);
1963 return TLV_SIZE(tlvh
);
1966 static uint16_t show_vty_link_subtlv_res_bw(struct vty
*vty
,
1967 struct tlv_header
*tlvh
)
1969 struct te_link_subtlv_res_bw
*top
;
1972 top
= (struct te_link_subtlv_res_bw
*)tlvh
;
1973 fval
= ntohf(top
->value
);
1977 " Unidirectional Residual Bandwidth: %g (Bytes/sec)\n",
1981 " Unidirectional Residual Bandwidth: %g (Bytes/sec)",
1984 return TLV_SIZE(tlvh
);
1987 static uint16_t show_vty_link_subtlv_ava_bw(struct vty
*vty
,
1988 struct tlv_header
*tlvh
)
1990 struct te_link_subtlv_ava_bw
*top
;
1993 top
= (struct te_link_subtlv_ava_bw
*)tlvh
;
1994 fval
= ntohf(top
->value
);
1998 " Unidirectional Available Bandwidth: %g (Bytes/sec)\n",
2002 " Unidirectional Available Bandwidth: %g (Bytes/sec)",
2005 return TLV_SIZE(tlvh
);
2008 static uint16_t show_vty_link_subtlv_use_bw(struct vty
*vty
,
2009 struct tlv_header
*tlvh
)
2011 struct te_link_subtlv_use_bw
*top
;
2014 top
= (struct te_link_subtlv_use_bw
*)tlvh
;
2015 fval
= ntohf(top
->value
);
2019 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)\n",
2023 " Unidirectional Utilized Bandwidth: %g (Bytes/sec)",
2026 return TLV_SIZE(tlvh
);
2029 static uint16_t show_vty_unknown_tlv(struct vty
*vty
, struct tlv_header
*tlvh
)
2032 vty_out(vty
, " Unknown TLV: [type(0x%x), length(0x%x)]\n",
2033 ntohs(tlvh
->type
), ntohs(tlvh
->length
));
2035 zlog_debug(" Unknown TLV: [type(0x%x), length(0x%x)]",
2036 ntohs(tlvh
->type
), ntohs(tlvh
->length
));
2038 return TLV_SIZE(tlvh
);
2041 static uint16_t ospf_mpls_te_show_link_subtlv(struct vty
*vty
,
2042 struct tlv_header
*tlvh0
,
2043 uint16_t subtotal
, uint16_t total
)
2045 struct tlv_header
*tlvh
;
2046 uint16_t sum
= subtotal
;
2048 for (tlvh
= tlvh0
; sum
< total
;
2049 tlvh
= TLV_HDR_NEXT(tlvh
)) {
2050 switch (ntohs(tlvh
->type
)) {
2051 case TE_LINK_SUBTLV_LINK_TYPE
:
2052 sum
+= show_vty_link_subtlv_link_type(vty
, tlvh
);
2054 case TE_LINK_SUBTLV_LINK_ID
:
2055 sum
+= show_vty_link_subtlv_link_id(vty
, tlvh
);
2057 case TE_LINK_SUBTLV_LCLIF_IPADDR
:
2058 sum
+= show_vty_link_subtlv_lclif_ipaddr(vty
, tlvh
);
2060 case TE_LINK_SUBTLV_RMTIF_IPADDR
:
2061 sum
+= show_vty_link_subtlv_rmtif_ipaddr(vty
, tlvh
);
2063 case TE_LINK_SUBTLV_TE_METRIC
:
2064 sum
+= show_vty_link_subtlv_te_metric(vty
, tlvh
);
2066 case TE_LINK_SUBTLV_MAX_BW
:
2067 sum
+= show_vty_link_subtlv_max_bw(vty
, tlvh
);
2069 case TE_LINK_SUBTLV_MAX_RSV_BW
:
2070 sum
+= show_vty_link_subtlv_max_rsv_bw(vty
, tlvh
);
2072 case TE_LINK_SUBTLV_UNRSV_BW
:
2073 sum
+= show_vty_link_subtlv_unrsv_bw(vty
, tlvh
);
2075 case TE_LINK_SUBTLV_RSC_CLSCLR
:
2076 sum
+= show_vty_link_subtlv_rsc_clsclr(vty
, tlvh
);
2078 case TE_LINK_SUBTLV_LRRID
:
2079 sum
+= show_vty_link_subtlv_lrrid(vty
, tlvh
);
2081 case TE_LINK_SUBTLV_LLRI
:
2082 sum
+= show_vty_link_subtlv_llri(vty
, tlvh
);
2084 case TE_LINK_SUBTLV_RIP
:
2085 sum
+= show_vty_link_subtlv_rip(vty
, tlvh
);
2087 case TE_LINK_SUBTLV_RAS
:
2088 sum
+= show_vty_link_subtlv_ras(vty
, tlvh
);
2090 case TE_LINK_SUBTLV_AV_DELAY
:
2091 sum
+= show_vty_link_subtlv_av_delay(vty
, tlvh
);
2093 case TE_LINK_SUBTLV_MM_DELAY
:
2094 sum
+= show_vty_link_subtlv_mm_delay(vty
, tlvh
);
2096 case TE_LINK_SUBTLV_DELAY_VAR
:
2097 sum
+= show_vty_link_subtlv_delay_var(vty
, tlvh
);
2099 case TE_LINK_SUBTLV_PKT_LOSS
:
2100 sum
+= show_vty_link_subtlv_pkt_loss(vty
, tlvh
);
2102 case TE_LINK_SUBTLV_RES_BW
:
2103 sum
+= show_vty_link_subtlv_res_bw(vty
, tlvh
);
2105 case TE_LINK_SUBTLV_AVA_BW
:
2106 sum
+= show_vty_link_subtlv_ava_bw(vty
, tlvh
);
2108 case TE_LINK_SUBTLV_USE_BW
:
2109 sum
+= show_vty_link_subtlv_use_bw(vty
, tlvh
);
2112 sum
+= show_vty_unknown_tlv(vty
, tlvh
);
2119 static void ospf_mpls_te_show_info(struct vty
*vty
, struct ospf_lsa
*lsa
)
2121 struct lsa_header
*lsah
= (struct lsa_header
*)lsa
->data
;
2122 struct tlv_header
*tlvh
, *next
;
2123 uint16_t sum
, total
;
2124 uint16_t (*subfunc
)(struct vty
* vty
, struct tlv_header
* tlvh
,
2125 uint16_t subtotal
, uint16_t total
) = NULL
;
2128 total
= ntohs(lsah
->length
) - OSPF_LSA_HEADER_SIZE
;
2130 for (tlvh
= TLV_HDR_TOP(lsah
); sum
< total
;
2131 tlvh
= (next
? next
: TLV_HDR_NEXT(tlvh
))) {
2132 if (subfunc
!= NULL
) {
2133 sum
= (*subfunc
)(vty
, tlvh
, sum
, total
);
2134 next
= (struct tlv_header
*)((char *)tlvh
+ sum
);
2140 switch (ntohs(tlvh
->type
)) {
2141 case TE_TLV_ROUTER_ADDR
:
2142 sum
+= show_vty_router_addr(vty
, tlvh
);
2145 sum
+= show_vty_link_header(vty
, tlvh
);
2146 subfunc
= ospf_mpls_te_show_link_subtlv
;
2147 next
= TLV_DATA(tlvh
);
2150 sum
+= show_vty_unknown_tlv(vty
, tlvh
);
2157 static void ospf_mpls_te_config_write_router(struct vty
*vty
)
2160 if (OspfMplsTE
.enabled
) {
2161 vty_out(vty
, " mpls-te on\n");
2162 vty_out(vty
, " mpls-te router-address %s\n",
2163 inet_ntoa(OspfMplsTE
.router_addr
.value
));
2166 if (OspfMplsTE
.inter_as
== AS
)
2167 vty_out(vty
, " mpls-te inter-as as\n");
2168 if (OspfMplsTE
.inter_as
== Area
)
2169 vty_out(vty
, " mpls-te inter-as area %s \n",
2170 inet_ntoa(OspfMplsTE
.interas_areaid
));
2175 /*------------------------------------------------------------------------*
2176 * Followings are vty command functions.
2177 *------------------------------------------------------------------------*/
2179 DEFUN (ospf_mpls_te_on
,
2180 ospf_mpls_te_on_cmd
,
2183 "Enable the MPLS-TE functionality\n")
2185 VTY_DECLVAR_INSTANCE_CONTEXT(ospf
, ospf
);
2186 struct listnode
*node
;
2187 struct mpls_te_link
*lp
;
2189 if (OspfMplsTE
.enabled
)
2192 if (IS_DEBUG_OSPF_EVENT
)
2193 zlog_debug("MPLS-TE: OFF -> ON");
2195 OspfMplsTE
.enabled
= true;
2197 /* Reoriginate RFC3630 & RFC6827 Links */
2198 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule
,
2199 REORIGINATE_THIS_LSA
);
2201 /* Reoriginate LSA if INTER-AS is always on */
2202 if (OspfMplsTE
.inter_as
!= Off
) {
2203 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE
.iflist
, node
, lp
)) {
2204 if (IS_INTER_AS(lp
->type
)) {
2205 ospf_mpls_te_lsa_schedule(lp
,
2206 REORIGINATE_THIS_LSA
);
2214 DEFUN (no_ospf_mpls_te
,
2215 no_ospf_mpls_te_cmd
,
2219 "Disable the MPLS-TE functionality\n")
2221 VTY_DECLVAR_INSTANCE_CONTEXT(ospf
, ospf
);
2222 struct listnode
*node
, *nnode
;
2223 struct mpls_te_link
*lp
;
2225 if (!OspfMplsTE
.enabled
)
2228 if (IS_DEBUG_OSPF_EVENT
)
2229 zlog_debug("MPLS-TE: ON -> OFF");
2231 OspfMplsTE
.enabled
= false;
2233 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
))
2234 if (CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
))
2235 ospf_mpls_te_lsa_schedule(lp
, FLUSH_THIS_LSA
);
2241 DEFUN (ospf_mpls_te_router_addr
,
2242 ospf_mpls_te_router_addr_cmd
,
2243 "mpls-te router-address A.B.C.D",
2245 "Stable IP address of the advertising router\n"
2246 "MPLS-TE router address in IPv4 address format\n")
2248 VTY_DECLVAR_INSTANCE_CONTEXT(ospf
, ospf
);
2250 struct te_tlv_router_addr
*ra
= &OspfMplsTE
.router_addr
;
2251 struct in_addr value
;
2253 if (!inet_aton(argv
[idx_ipv4
]->arg
, &value
)) {
2254 vty_out(vty
, "Please specify Router-Addr by A.B.C.D\n");
2258 if (ntohs(ra
->header
.type
) == 0
2259 || ntohl(ra
->value
.s_addr
) != ntohl(value
.s_addr
)) {
2260 struct listnode
*node
, *nnode
;
2261 struct mpls_te_link
*lp
;
2262 int need_to_reoriginate
= 0;
2264 set_mpls_te_router_addr(value
);
2266 if (!OspfMplsTE
.enabled
)
2269 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
)) {
2270 if ((lp
->area
== NULL
) || IS_FLOOD_AS(lp
->type
))
2273 if (!CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
)) {
2274 need_to_reoriginate
= 1;
2279 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
)) {
2280 if ((lp
->area
== NULL
) || IS_FLOOD_AS(lp
->type
))
2283 if (need_to_reoriginate
)
2284 SET_FLAG(lp
->flags
, LPFLG_LSA_FORCED_REFRESH
);
2286 ospf_mpls_te_lsa_schedule(lp
, REFRESH_THIS_LSA
);
2289 if (need_to_reoriginate
)
2290 ospf_mpls_te_foreach_area(ospf_mpls_te_lsa_schedule
,
2291 REORIGINATE_THIS_LSA
);
2297 static int set_inter_as_mode(struct vty
*vty
, const char *mode_name
,
2298 const char *area_id
)
2300 enum inter_as_mode mode
;
2301 struct listnode
*node
;
2302 struct mpls_te_link
*lp
;
2305 if (OspfMplsTE
.enabled
) {
2307 /* Read and Check inter_as mode */
2308 if (strcmp(mode_name
, "as") == 0)
2310 else if (strcmp(mode_name
, "area") == 0) {
2312 VTY_GET_OSPF_AREA_ID(OspfMplsTE
.interas_areaid
, format
,
2316 "Unknown mode. Please choose between as or area\n");
2320 if (IS_DEBUG_OSPF_EVENT
)
2322 "MPLS-TE: Inter-AS enable with %s flooding support",
2325 /* Register new callbacks regarding the flooding scope (AS or
2327 if (ospf_mpls_te_register(mode
) < 0) {
2329 "Internal error: Unable to register Inter-AS functions\n");
2333 /* Enable mode and re-originate LSA if needed */
2334 if ((OspfMplsTE
.inter_as
== Off
)
2335 && (mode
!= OspfMplsTE
.inter_as
)) {
2336 OspfMplsTE
.inter_as
= mode
;
2337 /* Re-originate all InterAS-TEv2 LSA */
2338 for (ALL_LIST_ELEMENTS_RO(OspfMplsTE
.iflist
, node
,
2340 if (IS_INTER_AS(lp
->type
)) {
2342 lp
->type
|= FLOOD_AS
;
2344 lp
->type
|= FLOOD_AREA
;
2345 ospf_mpls_te_lsa_schedule(
2346 lp
, REORIGINATE_THIS_LSA
);
2351 "Please change Inter-AS support to disable first before going to mode %s\n",
2356 vty_out(vty
, "mpls-te has not been turned on\n");
2363 DEFUN (ospf_mpls_te_inter_as_as
,
2364 ospf_mpls_te_inter_as_cmd
,
2365 "mpls-te inter-as as",
2367 "Configure MPLS-TE Inter-AS support\n"
2368 "AS native mode self originate INTER_AS LSA with Type 11 (as flooding scope)\n")
2370 return set_inter_as_mode(vty
, "as", "");
2373 DEFUN (ospf_mpls_te_inter_as_area
,
2374 ospf_mpls_te_inter_as_area_cmd
,
2375 "mpls-te inter-as area <A.B.C.D|(0-4294967295)>",
2377 "Configure MPLS-TE Inter-AS support\n"
2378 "AREA native mode self originate INTER_AS LSA with Type 10 (area flooding scope)\n"
2379 "OSPF area ID in IP format\n"
2380 "OSPF area ID as decimal value\n")
2382 int idx_ipv4_number
= 3;
2383 return set_inter_as_mode(vty
, "area", argv
[idx_ipv4_number
]->arg
);
2386 DEFUN (no_ospf_mpls_te_inter_as
,
2387 no_ospf_mpls_te_inter_as_cmd
,
2388 "no mpls-te inter-as",
2391 "Disable MPLS-TE Inter-AS support\n")
2394 struct listnode
*node
, *nnode
;
2395 struct mpls_te_link
*lp
;
2397 if (IS_DEBUG_OSPF_EVENT
)
2398 zlog_debug("MPLS-TE: Inter-AS support OFF");
2400 if ((OspfMplsTE
.enabled
) && (OspfMplsTE
.inter_as
!= Off
)) {
2401 /* Flush all Inter-AS LSA */
2402 for (ALL_LIST_ELEMENTS(OspfMplsTE
.iflist
, node
, nnode
, lp
))
2403 if (IS_INTER_AS(lp
->type
)
2404 && CHECK_FLAG(lp
->flags
, LPFLG_LSA_ENGAGED
))
2405 ospf_mpls_te_lsa_schedule(lp
, FLUSH_THIS_LSA
);
2407 /* Deregister the Callbacks for Inter-AS support */
2408 ospf_mpls_te_unregister();
2409 OspfMplsTE
.inter_as
= Off
;
2415 DEFUN (show_ip_ospf_mpls_te_router
,
2416 show_ip_ospf_mpls_te_router_cmd
,
2417 "show ip ospf mpls-te router",
2421 "MPLS-TE information\n"
2422 "MPLS-TE Router parameters\n")
2424 if (OspfMplsTE
.enabled
) {
2425 vty_out(vty
, "--- MPLS-TE router parameters ---\n");
2427 if (ntohs(OspfMplsTE
.router_addr
.header
.type
) != 0)
2428 show_vty_router_addr(vty
,
2429 &OspfMplsTE
.router_addr
.header
);
2431 vty_out(vty
, " N/A\n");
2436 static void show_mpls_te_link_sub(struct vty
*vty
, struct interface
*ifp
)
2438 struct mpls_te_link
*lp
;
2440 if ((OspfMplsTE
.enabled
) && HAS_LINK_PARAMS(ifp
) && !if_is_loopback(ifp
)
2442 && ((lp
= lookup_linkparams_by_ifp(ifp
)) != NULL
)) {
2443 /* Continue only if interface is not passive or support Inter-AS
2445 if (!(ospf_oi_count(ifp
) > 0)) {
2446 if (IS_INTER_AS(lp
->type
)) {
2448 "-- Inter-AS TEv2 link parameters for %s --\n",
2451 /* MPLS-TE is not activate on this interface */
2452 /* or this interface is passive and Inter-AS
2453 * TEv2 is not activate */
2455 " %s: MPLS-TE is disabled on this interface\n",
2460 vty_out(vty
, "-- MPLS-TE link parameters for %s --\n",
2464 if (TLV_TYPE(lp
->link_type
) != 0)
2465 show_vty_link_subtlv_link_type(vty
,
2466 &lp
->link_type
.header
);
2467 if (TLV_TYPE(lp
->link_id
) != 0)
2468 show_vty_link_subtlv_link_id(vty
, &lp
->link_id
.header
);
2469 if (TLV_TYPE(lp
->lclif_ipaddr
) != 0)
2470 show_vty_link_subtlv_lclif_ipaddr(
2471 vty
, &lp
->lclif_ipaddr
.header
);
2472 if (TLV_TYPE(lp
->rmtif_ipaddr
) != 0)
2473 show_vty_link_subtlv_rmtif_ipaddr(
2474 vty
, &lp
->rmtif_ipaddr
.header
);
2475 if (TLV_TYPE(lp
->rip
) != 0)
2476 show_vty_link_subtlv_rip(vty
, &lp
->rip
.header
);
2477 if (TLV_TYPE(lp
->ras
) != 0)
2478 show_vty_link_subtlv_ras(vty
, &lp
->ras
.header
);
2479 if (TLV_TYPE(lp
->te_metric
) != 0)
2480 show_vty_link_subtlv_te_metric(vty
,
2481 &lp
->te_metric
.header
);
2482 if (TLV_TYPE(lp
->max_bw
) != 0)
2483 show_vty_link_subtlv_max_bw(vty
, &lp
->max_bw
.header
);
2484 if (TLV_TYPE(lp
->max_rsv_bw
) != 0)
2485 show_vty_link_subtlv_max_rsv_bw(vty
,
2486 &lp
->max_rsv_bw
.header
);
2487 if (TLV_TYPE(lp
->unrsv_bw
) != 0)
2488 show_vty_link_subtlv_unrsv_bw(vty
,
2489 &lp
->unrsv_bw
.header
);
2490 if (TLV_TYPE(lp
->rsc_clsclr
) != 0)
2491 show_vty_link_subtlv_rsc_clsclr(vty
,
2492 &lp
->rsc_clsclr
.header
);
2493 if (TLV_TYPE(lp
->av_delay
) != 0)
2494 show_vty_link_subtlv_av_delay(vty
,
2495 &lp
->av_delay
.header
);
2496 if (TLV_TYPE(lp
->mm_delay
) != 0)
2497 show_vty_link_subtlv_mm_delay(vty
,
2498 &lp
->mm_delay
.header
);
2499 if (TLV_TYPE(lp
->delay_var
) != 0)
2500 show_vty_link_subtlv_delay_var(vty
,
2501 &lp
->delay_var
.header
);
2502 if (TLV_TYPE(lp
->pkt_loss
) != 0)
2503 show_vty_link_subtlv_pkt_loss(vty
,
2504 &lp
->pkt_loss
.header
);
2505 if (TLV_TYPE(lp
->res_bw
) != 0)
2506 show_vty_link_subtlv_res_bw(vty
, &lp
->res_bw
.header
);
2507 if (TLV_TYPE(lp
->ava_bw
) != 0)
2508 show_vty_link_subtlv_ava_bw(vty
, &lp
->ava_bw
.header
);
2509 if (TLV_TYPE(lp
->use_bw
) != 0)
2510 show_vty_link_subtlv_use_bw(vty
, &lp
->use_bw
.header
);
2511 vty_out(vty
, "---------------\n\n");
2513 vty_out(vty
, " %s: MPLS-TE is disabled on this interface\n",
2520 DEFUN (show_ip_ospf_mpls_te_link
,
2521 show_ip_ospf_mpls_te_link_cmd
,
2522 "show ip ospf [vrf <NAME|all>] mpls-te interface [INTERFACE]",
2528 "MPLS-TE information\n"
2529 "Interface information\n"
2533 int idx_interface
= 5;
2534 struct interface
*ifp
;
2535 struct listnode
*node
;
2536 char *vrf_name
= NULL
;
2540 struct ospf
*ospf
= NULL
;
2542 if (argv_find(argv
, argc
, "vrf", &idx_vrf
)) {
2543 vrf_name
= argv
[idx_vrf
+ 1]->arg
;
2544 all_vrf
= strmatch(vrf_name
, "all");
2547 /* vrf input is provided could be all or specific vrf*/
2550 for (ALL_LIST_ELEMENTS_RO(om
->ospf
, node
, ospf
)) {
2551 if (!ospf
->oi_running
)
2553 vrf
= vrf_lookup_by_id(ospf
->vrf_id
);
2554 FOR_ALL_INTERFACES (vrf
, ifp
)
2555 show_mpls_te_link_sub(vty
, ifp
);
2559 ospf
= ospf_lookup_by_inst_name(inst
, vrf_name
);
2560 if (ospf
== NULL
|| !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
);
2567 /* Show All Interfaces. */
2569 for (ALL_LIST_ELEMENTS_RO(om
->ospf
, node
, ospf
)) {
2570 if (!ospf
->oi_running
)
2572 vrf
= vrf_lookup_by_id(ospf
->vrf_id
);
2573 FOR_ALL_INTERFACES (vrf
, ifp
)
2574 show_mpls_te_link_sub(vty
, ifp
);
2577 /* Interface name is specified. */
2579 ifp
= if_lookup_by_name_all_vrf(argv
[idx_interface
]->arg
);
2581 vty_out(vty
, "No such interface name\n");
2583 show_mpls_te_link_sub(vty
, ifp
);
2589 static void ospf_mpls_te_register_vty(void)
2591 install_element(VIEW_NODE
, &show_ip_ospf_mpls_te_router_cmd
);
2592 install_element(VIEW_NODE
, &show_ip_ospf_mpls_te_link_cmd
);
2594 install_element(OSPF_NODE
, &ospf_mpls_te_on_cmd
);
2595 install_element(OSPF_NODE
, &no_ospf_mpls_te_cmd
);
2596 install_element(OSPF_NODE
, &ospf_mpls_te_router_addr_cmd
);
2597 install_element(OSPF_NODE
, &ospf_mpls_te_inter_as_cmd
);
2598 install_element(OSPF_NODE
, &ospf_mpls_te_inter_as_area_cmd
);
2599 install_element(OSPF_NODE
, &no_ospf_mpls_te_inter_as_cmd
);