1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2003 Yasuhiro Ohara
18 #include "lib/northbound_cli.h"
20 #include "ospf6_proto.h"
21 #include "ospf6_lsa.h"
22 #include "ospf6_lsdb.h"
23 #include "ospf6_route.h"
24 #include "ospf6_zebra.h"
25 #include "ospf6_message.h"
26 #include "ospf6_spf.h"
28 #include "ospf6_top.h"
30 #include "ospf6_area.h"
31 #include "ospf6_interface.h"
32 #include "ospf6_neighbor.h"
33 #include "ospf6_asbr.h"
34 #include "ospf6_abr.h"
35 #include "ospf6_intra.h"
36 #include "ospf6_flood.h"
37 #include "ospf6_nssa.h"
39 #include "ospf6_spf.h"
40 #include "ospf6_nssa.h"
44 DEFINE_MTYPE_STATIC(OSPF6D
, OSPF6_EXTERNAL_INFO
, "OSPF6 ext. info");
45 DEFINE_MTYPE_STATIC(OSPF6D
, OSPF6_DIST_ARGS
, "OSPF6 Distribute arguments");
46 DEFINE_MTYPE_STATIC(OSPF6D
, OSPF6_REDISTRIBUTE
, "OSPF6 Redistribute arguments");
47 DEFINE_MTYPE_STATIC(OSPF6D
, OSPF6_EXTERNAL_RT_AGGR
, "OSPF6 ASBR Summarisation");
49 static void ospf6_asbr_redistribute_set(struct ospf6
*ospf6
, int type
);
50 static void ospf6_asbr_redistribute_unset(struct ospf6
*ospf6
,
51 struct ospf6_redist
*red
, int type
);
53 #include "ospf6d/ospf6_asbr_clippy.c"
55 unsigned char conf_debug_ospf6_asbr
= 0;
57 #define ZROUTE_NAME(x) zebra_route_string(x)
59 /* Originate Type-5 and Type-7 LSA */
60 static struct ospf6_lsa
*ospf6_originate_type5_type7_lsas(
61 struct ospf6_route
*route
,
64 struct ospf6_lsa
*lsa
;
65 struct listnode
*lnode
;
66 struct ospf6_area
*oa
= NULL
;
68 lsa
= ospf6_as_external_lsa_originate(route
, ospf6
);
70 for (ALL_LIST_ELEMENTS_RO(ospf6
->area_list
, lnode
, oa
)) {
72 ospf6_nssa_lsa_originate(route
, oa
, true);
78 /* AS External LSA origination */
79 struct ospf6_lsa
*ospf6_as_external_lsa_originate(struct ospf6_route
*route
,
82 char buffer
[OSPF6_MAX_LSASIZE
];
83 struct ospf6_lsa_header
*lsa_header
;
84 struct ospf6_lsa
*lsa
;
85 struct ospf6_external_info
*info
= route
->route_option
;
87 struct ospf6_as_external_lsa
*as_external_lsa
;
90 if (ospf6
->gr_info
.restart_in_progress
) {
91 if (IS_DEBUG_OSPF6_GR
)
93 "Graceful Restart in progress, don't originate LSA");
97 if (IS_OSPF6_DEBUG_ASBR
|| IS_OSPF6_DEBUG_ORIGINATE(AS_EXTERNAL
))
98 zlog_debug("Originate AS-External-LSA for %pFX",
102 memset(buffer
, 0, sizeof(buffer
));
103 lsa_header
= (struct ospf6_lsa_header
*)buffer
;
104 as_external_lsa
= (struct ospf6_as_external_lsa
105 *)((caddr_t
)lsa_header
106 + sizeof(struct ospf6_lsa_header
));
107 p
= (caddr_t
)((caddr_t
)as_external_lsa
108 + sizeof(struct ospf6_as_external_lsa
));
110 /* Fill AS-External-LSA */
112 if (route
->path
.metric_type
== 2)
113 SET_FLAG(as_external_lsa
->bits_metric
, OSPF6_ASBR_BIT_E
);
115 UNSET_FLAG(as_external_lsa
->bits_metric
, OSPF6_ASBR_BIT_E
);
117 /* forwarding address */
118 if (!IN6_IS_ADDR_UNSPECIFIED(&info
->forwarding
))
119 SET_FLAG(as_external_lsa
->bits_metric
, OSPF6_ASBR_BIT_F
);
121 UNSET_FLAG(as_external_lsa
->bits_metric
, OSPF6_ASBR_BIT_F
);
123 /* external route tag */
125 SET_FLAG(as_external_lsa
->bits_metric
, OSPF6_ASBR_BIT_T
);
127 UNSET_FLAG(as_external_lsa
->bits_metric
, OSPF6_ASBR_BIT_T
);
130 OSPF6_ASBR_METRIC_SET(as_external_lsa
, route
->path
.cost
);
133 as_external_lsa
->prefix
.prefix_length
= route
->prefix
.prefixlen
;
136 as_external_lsa
->prefix
.prefix_options
= route
->prefix_options
;
138 /* don't use refer LS-type */
139 as_external_lsa
->prefix
.prefix_refer_lstype
= htons(0);
142 memcpy(p
, &route
->prefix
.u
.prefix6
,
143 OSPF6_PREFIX_SPACE(route
->prefix
.prefixlen
));
144 ospf6_prefix_apply_mask(&as_external_lsa
->prefix
);
145 p
+= OSPF6_PREFIX_SPACE(route
->prefix
.prefixlen
);
147 /* Forwarding address */
148 if (CHECK_FLAG(as_external_lsa
->bits_metric
, OSPF6_ASBR_BIT_F
)) {
149 memcpy(p
, &info
->forwarding
, sizeof(struct in6_addr
));
150 p
+= sizeof(struct in6_addr
);
153 /* External Route Tag */
154 if (CHECK_FLAG(as_external_lsa
->bits_metric
, OSPF6_ASBR_BIT_T
)) {
155 route_tag_t network_order
= htonl(info
->tag
);
157 memcpy(p
, &network_order
, sizeof(network_order
));
158 p
+= sizeof(network_order
);
161 /* Fill LSA Header */
163 lsa_header
->type
= htons(OSPF6_LSTYPE_AS_EXTERNAL
);
164 lsa_header
->id
= route
->path
.origin
.id
;
165 lsa_header
->adv_router
= ospf6
->router_id
;
167 ospf6_new_ls_seqnum(lsa_header
->type
, lsa_header
->id
,
168 lsa_header
->adv_router
, ospf6
->lsdb
);
169 lsa_header
->length
= htons((caddr_t
)p
- (caddr_t
)lsa_header
);
172 ospf6_lsa_checksum(lsa_header
);
175 lsa
= ospf6_lsa_create(lsa_header
);
178 ospf6_lsa_originate_process(lsa
, ospf6
);
183 void ospf6_orig_as_external_lsa(struct thread
*thread
)
185 struct ospf6_interface
*oi
;
186 struct ospf6_lsa
*lsa
;
187 uint32_t type
, adv_router
;
189 oi
= (struct ospf6_interface
*)THREAD_ARG(thread
);
191 if (oi
->state
== OSPF6_INTERFACE_DOWN
)
193 if (IS_AREA_NSSA(oi
->area
) || IS_AREA_STUB(oi
->area
))
196 type
= htons(OSPF6_LSTYPE_AS_EXTERNAL
);
197 adv_router
= oi
->area
->ospf6
->router_id
;
198 for (ALL_LSDB_TYPED_ADVRTR(oi
->area
->ospf6
->lsdb
, type
, adv_router
,
200 if (IS_OSPF6_DEBUG_ASBR
)
202 "%s: Send update of AS-External LSA %s seq 0x%x",
204 ntohl(lsa
->header
->seqnum
));
206 ospf6_flood_interface(NULL
, lsa
, oi
);
210 static route_tag_t
ospf6_as_external_lsa_get_tag(struct ospf6_lsa
*lsa
)
212 struct ospf6_as_external_lsa
*external
;
213 ptrdiff_t tag_offset
;
214 route_tag_t network_order
;
219 external
= (struct ospf6_as_external_lsa
*)OSPF6_LSA_HEADER_END(
222 if (!CHECK_FLAG(external
->bits_metric
, OSPF6_ASBR_BIT_T
))
225 tag_offset
= sizeof(*external
)
226 + OSPF6_PREFIX_SPACE(external
->prefix
.prefix_length
);
227 if (CHECK_FLAG(external
->bits_metric
, OSPF6_ASBR_BIT_F
))
228 tag_offset
+= sizeof(struct in6_addr
);
230 memcpy(&network_order
, (caddr_t
)external
+ tag_offset
,
231 sizeof(network_order
));
232 return ntohl(network_order
);
235 void ospf6_asbr_update_route_ecmp_path(struct ospf6_route
*old
,
236 struct ospf6_route
*route
,
239 struct ospf6_route
*old_route
, *next_route
;
240 struct ospf6_path
*ecmp_path
, *o_path
= NULL
;
241 struct listnode
*anode
, *anext
;
242 struct listnode
*nnode
, *rnode
, *rnext
;
243 struct ospf6_nexthop
*nh
, *rnh
;
244 bool route_found
= false;
246 /* check for old entry match with new route origin,
249 for (old_route
= old
; old_route
; old_route
= next_route
) {
250 bool route_updated
= false;
252 next_route
= old_route
->next
;
254 /* The route linked-list is grouped in batches of prefix.
255 * If the new prefix is not the same as the one of interest
256 * then we have walked over the end of the batch and so we
257 * should break rather than continuing unnecessarily.
259 if (!ospf6_route_is_same(old_route
, route
))
261 if (old_route
->path
.type
!= route
->path
.type
)
264 /* Current and New route has same origin,
267 for (ALL_LIST_ELEMENTS(old_route
->paths
, anode
, anext
,
269 /* Check old route path and route has same
272 if (o_path
->area_id
!= route
->path
.area_id
273 || !ospf6_ls_origin_same(o_path
, &route
->path
))
276 /* Cost is not same then delete current path */
277 if ((o_path
->cost
== route
->path
.cost
)
278 && (o_path
->u
.cost_e2
== route
->path
.u
.cost_e2
))
281 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
)) {
283 "%s: route %pFX cost old %u new %u is not same, replace route",
284 __func__
, &old_route
->prefix
, o_path
->cost
,
288 /* Remove selected current rout path's nh from
291 for (ALL_LIST_ELEMENTS_RO(o_path
->nh_list
, nnode
, nh
)) {
292 for (ALL_LIST_ELEMENTS(old_route
->nh_list
,
293 rnode
, rnext
, rnh
)) {
294 if (!ospf6_nexthop_is_same(rnh
, nh
))
296 listnode_delete(old_route
->nh_list
,
298 ospf6_nexthop_delete(rnh
);
302 listnode_delete(old_route
->paths
, o_path
);
303 ospf6_path_free(o_path
);
304 route_updated
= true;
306 /* Current route's path (adv_router info) is similar
307 * to route being added.
308 * Replace current route's path with paths list head.
309 * Update FIB with effective NHs.
311 if (listcount(old_route
->paths
)) {
312 for (ALL_LIST_ELEMENTS(old_route
->paths
,
313 anode
, anext
, o_path
)) {
314 ospf6_merge_nexthops(
318 /* Update RIB/FIB with effective
321 if (ospf6
->route_table
->hook_add
)
322 (*ospf6
->route_table
->hook_add
)(
325 if (old_route
->path
.origin
.id
326 == route
->path
.origin
.id
327 && old_route
->path
.origin
.adv_router
328 == route
->path
.origin
330 struct ospf6_path
*h_path
;
332 h_path
= (struct ospf6_path
*)
333 listgetdata(listhead(
335 old_route
->path
.origin
.type
=
337 old_route
->path
.origin
.id
=
339 old_route
->path
.origin
.adv_router
=
340 h_path
->origin
.adv_router
;
343 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
)) {
345 "%s: route %pFX old cost %u new cost %u, delete old entry.",
346 __func__
, &old_route
->prefix
,
347 old_route
->path
.cost
,
350 if (old
== old_route
)
352 ospf6_route_remove(old_route
,
361 for (old_route
= old
; old_route
; old_route
= old_route
->next
) {
363 /* The route linked-list is grouped in batches of prefix.
364 * If the new prefix is not the same as the one of interest
365 * then we have walked over the end of the batch and so we
366 * should break rather than continuing unnecessarily.
368 if (!ospf6_route_is_same(old_route
, route
))
370 if (old_route
->path
.type
!= route
->path
.type
)
373 /* Old Route and New Route have Equal Cost, Merge NHs */
374 if ((old_route
->path
.cost
== route
->path
.cost
)
375 && (old_route
->path
.u
.cost_e2
== route
->path
.u
.cost_e2
)) {
377 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
)) {
379 "%s: old route %pFX path cost %u e2 %u",
380 __func__
, &old_route
->prefix
,
381 old_route
->path
.cost
,
382 old_route
->path
.u
.cost_e2
);
385 /* check if this path exists already in
386 * route->paths list, if so, replace nh_list
389 for (ALL_LIST_ELEMENTS_RO(old_route
->paths
, anode
,
391 if (o_path
->area_id
== route
->path
.area_id
392 && ospf6_ls_origin_same(o_path
, &route
->path
))
395 /* If path is not found in old_route paths's list,
396 * add a new path to route paths list and merge
397 * nexthops in route->path->nh_list.
398 * Otherwise replace existing path's nh_list.
400 if (o_path
== NULL
) {
401 ecmp_path
= ospf6_path_dup(&route
->path
);
403 /* Add a nh_list to new ecmp path */
404 ospf6_copy_nexthops(ecmp_path
->nh_list
,
407 /* Add the new path to route's path list */
408 listnode_add_sort(old_route
->paths
, ecmp_path
);
410 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
)) {
412 "%s: route %pFX another path added with nh %u, effective paths %u nh %u",
413 __func__
, &route
->prefix
,
414 listcount(ecmp_path
->nh_list
),
415 old_route
->paths
? listcount(
418 listcount(old_route
->nh_list
));
421 list_delete_all_node(o_path
->nh_list
);
422 ospf6_copy_nexthops(o_path
->nh_list
,
426 /* Reset nexthop lists, rebuild from brouter table
427 * for each adv. router.
429 list_delete_all_node(old_route
->nh_list
);
431 for (ALL_LIST_ELEMENTS_RO(old_route
->paths
, anode
,
433 struct ospf6_route
*asbr_entry
;
435 asbr_entry
= ospf6_route_lookup(
437 ospf6
->brouter_table
);
438 if (asbr_entry
== NULL
) {
439 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
))
441 "%s: ls_prfix %pFX asbr_entry not found.",
446 ospf6_route_merge_nexthops(old_route
,
450 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
))
452 "%s: route %pFX with effective paths %u nh %u",
453 __func__
, &route
->prefix
,
455 ? listcount(old_route
->paths
)
458 ? listcount(old_route
->nh_list
)
462 if (ospf6
->route_table
->hook_add
)
463 (*ospf6
->route_table
->hook_add
)(old_route
);
465 /* Delete the new route its info added to existing
468 ospf6_route_delete(route
);
475 /* Add new route to existing node in ospf6 route table. */
476 ospf6_route_add(route
, ospf6
->route_table
);
480 /* Check if the forwarding address is local address */
481 static int ospf6_ase_forward_address_check(struct ospf6
*ospf6
,
482 struct in6_addr
*fwd_addr
)
484 struct listnode
*anode
, *node
, *cnode
;
485 struct ospf6_interface
*oi
;
486 struct ospf6_area
*oa
;
487 struct interface
*ifp
;
490 for (ALL_LIST_ELEMENTS_RO(ospf6
->area_list
, anode
, oa
)) {
491 for (ALL_LIST_ELEMENTS_RO(oa
->if_list
, node
, oi
)) {
492 if (!if_is_operative(oi
->interface
)
493 || oi
->type
== OSPF_IFTYPE_VIRTUALLINK
)
497 for (ALL_LIST_ELEMENTS_RO(ifp
->connected
, cnode
, c
)) {
498 if (IPV6_ADDR_SAME(&c
->address
->u
.prefix6
,
508 void ospf6_asbr_lsa_add(struct ospf6_lsa
*lsa
)
510 struct ospf6_as_external_lsa
*external
;
511 struct prefix asbr_id
;
512 struct ospf6_route
*asbr_entry
, *route
, *old
= NULL
;
513 struct ospf6_path
*path
;
516 struct ospf6_area
*oa
= NULL
;
517 struct prefix fwd_addr
;
520 type
= ntohs(lsa
->header
->type
);
521 oa
= lsa
->lsdb
->data
;
523 external
= (struct ospf6_as_external_lsa
*)OSPF6_LSA_HEADER_END(
526 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
))
527 zlog_debug("Calculate AS-External route for %s", lsa
->name
);
529 ospf6
= ospf6_get_by_lsdb(lsa
);
531 if (lsa
->header
->adv_router
== ospf6
->router_id
) {
532 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
))
533 zlog_debug("Ignore self-originated AS-External-LSA");
537 if (OSPF6_ASBR_METRIC(external
) == OSPF_LS_INFINITY
) {
538 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
))
539 zlog_debug("Ignore LSA with LSInfinity Metric");
543 if (CHECK_FLAG(external
->prefix
.prefix_options
,
544 OSPF6_PREFIX_OPTION_NU
)) {
545 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
))
546 zlog_debug("Ignore LSA with NU bit set Metric");
550 ospf6_linkstate_prefix(lsa
->header
->adv_router
, htonl(0), &asbr_id
);
551 asbr_entry
= ospf6_route_lookup(&asbr_id
, ospf6
->brouter_table
);
552 if (asbr_entry
== NULL
) {
553 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
))
554 zlog_debug("ASBR entry not found: %pFX", &asbr_id
);
557 /* The router advertising external LSA can be ASBR or ABR */
558 if (!CHECK_FLAG(asbr_entry
->path
.router_bits
,
559 OSPF6_ROUTER_BIT_E
)) {
560 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
))
562 "External bit reset ASBR route entry : %pFX",
568 * RFC 3101 - Section 2.5:
569 * "For a Type-7 LSA the matching routing table entry must
570 * specify an intra-area path through the LSA's originating
573 if (ntohs(lsa
->header
->type
) == OSPF6_LSTYPE_TYPE_7
574 && (asbr_entry
->path
.area_id
!= oa
->area_id
575 || asbr_entry
->path
.type
!= OSPF6_PATH_TYPE_INTRA
)) {
576 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
))
578 "Intra-area route to NSSA ASBR not found: %pFX",
585 * RFC 3101 - Section 2.5:
586 * "If the destination is a Type-7 default route (destination ID =
587 * DefaultDestination) and one of the following is true, then do
588 * nothing with this LSA and consider the next in the list:
590 * o The calculating router is a border router and the LSA has
591 * its P-bit clear. Appendix E describes a technique
592 * whereby an NSSA border router installs a Type-7 default
593 * LSA without propagating it.
595 * o The calculating router is a border router and is
596 * suppressing the import of summary routes as Type-3
599 if (ntohs(lsa
->header
->type
) == OSPF6_LSTYPE_TYPE_7
600 && external
->prefix
.prefix_length
== 0
601 && CHECK_FLAG(ospf6
->flag
, OSPF6_FLAG_ABR
)
602 && (CHECK_FLAG(external
->prefix
.prefix_options
,
603 OSPF6_PREFIX_OPTION_P
)
604 || oa
->no_summary
)) {
605 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
))
606 zlog_debug("Skipping Type-7 default route");
610 /* Check the forwarding address */
611 if (CHECK_FLAG(external
->bits_metric
, OSPF6_ASBR_BIT_F
)) {
612 offset
= sizeof(*external
)
613 + OSPF6_PREFIX_SPACE(external
->prefix
.prefix_length
);
614 memset(&fwd_addr
, 0, sizeof(fwd_addr
));
615 fwd_addr
.family
= AF_INET6
;
616 fwd_addr
.prefixlen
= IPV6_MAX_BITLEN
;
617 memcpy(&fwd_addr
.u
.prefix6
, (caddr_t
)external
+ offset
,
618 sizeof(struct in6_addr
));
620 if (!IN6_IS_ADDR_UNSPECIFIED(&fwd_addr
.u
.prefix6
)) {
621 if (!ospf6_ase_forward_address_check(
622 ospf6
, &fwd_addr
.u
.prefix6
)) {
623 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
))
625 "Fwd address %pFX is local address",
630 /* Find the forwarding entry */
631 asbr_entry
= ospf6_route_lookup_bestmatch(
632 &fwd_addr
, ospf6
->route_table
);
633 if (asbr_entry
== NULL
) {
634 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
))
636 "Fwd address not found: %pFX",
643 route
= ospf6_route_create(ospf6
);
644 route
->type
= OSPF6_DEST_TYPE_NETWORK
;
645 route
->prefix
.family
= AF_INET6
;
646 route
->prefix
.prefixlen
= external
->prefix
.prefix_length
;
647 ospf6_prefix_in6_addr(&route
->prefix
.u
.prefix6
, external
,
649 route
->prefix_options
= external
->prefix
.prefix_options
;
651 route
->path
.area_id
= asbr_entry
->path
.area_id
;
652 route
->path
.origin
.type
= lsa
->header
->type
;
653 route
->path
.origin
.id
= lsa
->header
->id
;
654 route
->path
.origin
.adv_router
= lsa
->header
->adv_router
;
655 memcpy(&route
->path
.ls_prefix
, &asbr_id
, sizeof(struct prefix
));
657 if (CHECK_FLAG(external
->bits_metric
, OSPF6_ASBR_BIT_E
)) {
658 route
->path
.type
= OSPF6_PATH_TYPE_EXTERNAL2
;
659 route
->path
.metric_type
= 2;
660 route
->path
.cost
= asbr_entry
->path
.cost
;
661 route
->path
.u
.cost_e2
= OSPF6_ASBR_METRIC(external
);
663 route
->path
.type
= OSPF6_PATH_TYPE_EXTERNAL1
;
664 route
->path
.metric_type
= 1;
666 asbr_entry
->path
.cost
+ OSPF6_ASBR_METRIC(external
);
667 route
->path
.u
.cost_e2
= 0;
670 route
->path
.tag
= ospf6_as_external_lsa_get_tag(lsa
);
672 ospf6_route_copy_nexthops(route
, asbr_entry
);
674 path
= ospf6_path_dup(&route
->path
);
675 ospf6_copy_nexthops(path
->nh_list
, asbr_entry
->nh_list
);
676 listnode_add_sort(route
->paths
, path
);
679 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
))
681 "%s: %s %u route add %pFX cost %u(%u) nh %u", __func__
,
682 (type
== OSPF6_LSTYPE_AS_EXTERNAL
) ? "AS-External"
684 (route
->path
.type
== OSPF6_PATH_TYPE_EXTERNAL1
) ? 1 : 2,
685 &route
->prefix
, route
->path
.cost
, route
->path
.u
.cost_e2
,
686 listcount(route
->nh_list
));
688 if (type
== OSPF6_LSTYPE_AS_EXTERNAL
)
689 old
= ospf6_route_lookup(&route
->prefix
, ospf6
->route_table
);
690 else if (type
== OSPF6_LSTYPE_TYPE_7
)
691 old
= ospf6_route_lookup(&route
->prefix
, oa
->route_table
);
693 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
))
694 zlog_debug("%s: Adding new route", __func__
);
695 /* Add the new route to ospf6 instance route table. */
696 if (type
== OSPF6_LSTYPE_AS_EXTERNAL
)
697 ospf6_route_add(route
, ospf6
->route_table
);
698 /* Add the route to the area route table */
699 else if (type
== OSPF6_LSTYPE_TYPE_7
) {
700 ospf6_route_add(route
, oa
->route_table
);
704 * ECMP: Keep new equal preference path in current
705 * route's path list, update zebra with new effective
706 * list along with addition of ECMP path.
708 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
))
709 zlog_debug("%s : old route %pFX cost %u(%u) nh %u",
710 __func__
, &route
->prefix
, route
->path
.cost
,
711 route
->path
.u
.cost_e2
,
712 listcount(route
->nh_list
));
713 ospf6_asbr_update_route_ecmp_path(old
, route
, ospf6
);
717 void ospf6_asbr_lsa_remove(struct ospf6_lsa
*lsa
,
718 struct ospf6_route
*asbr_entry
)
720 struct ospf6_as_external_lsa
*external
;
721 struct prefix prefix
;
722 struct ospf6_route
*route
, *nroute
, *route_to_del
;
723 struct ospf6_area
*oa
= NULL
;
728 external
= (struct ospf6_as_external_lsa
*)OSPF6_LSA_HEADER_END(
731 if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL
) || (IS_OSPF6_DEBUG_NSSA
))
734 ospf6
= ospf6_get_by_lsdb(lsa
);
735 type
= ntohs(lsa
->header
->type
);
737 if (type
== OSPF6_LSTYPE_TYPE_7
) {
739 zlog_debug("%s: Withdraw Type 7 route for %s",
740 __func__
, lsa
->name
);
741 oa
= lsa
->lsdb
->data
;
744 zlog_debug("%s: Withdraw AS-External route for %s",
745 __func__
, lsa
->name
);
747 if (ospf6_check_and_set_router_abr(ospf6
))
748 oa
= ospf6
->backbone
;
750 oa
= listnode_head(ospf6
->area_list
);
755 zlog_debug("%s: Invalid area", __func__
);
759 if (lsa
->header
->adv_router
== oa
->ospf6
->router_id
) {
761 zlog_debug("Ignore self-originated AS-External-LSA");
765 route_to_del
= ospf6_route_create(ospf6
);
766 route_to_del
->type
= OSPF6_DEST_TYPE_NETWORK
;
767 route_to_del
->prefix
.family
= AF_INET6
;
768 route_to_del
->prefix
.prefixlen
= external
->prefix
.prefix_length
;
769 ospf6_prefix_in6_addr(&route_to_del
->prefix
.u
.prefix6
, external
,
772 route_to_del
->path
.origin
.type
= lsa
->header
->type
;
773 route_to_del
->path
.origin
.id
= lsa
->header
->id
;
774 route_to_del
->path
.origin
.adv_router
= lsa
->header
->adv_router
;
777 route_to_del
->path
.area_id
= asbr_entry
->path
.area_id
;
778 if (CHECK_FLAG(external
->bits_metric
, OSPF6_ASBR_BIT_E
)) {
779 route_to_del
->path
.type
= OSPF6_PATH_TYPE_EXTERNAL2
;
780 route_to_del
->path
.metric_type
= 2;
781 route_to_del
->path
.cost
= asbr_entry
->path
.cost
;
782 route_to_del
->path
.u
.cost_e2
=
783 OSPF6_ASBR_METRIC(external
);
785 route_to_del
->path
.type
= OSPF6_PATH_TYPE_EXTERNAL1
;
786 route_to_del
->path
.metric_type
= 1;
787 route_to_del
->path
.cost
= asbr_entry
->path
.cost
788 + OSPF6_ASBR_METRIC(external
);
789 route_to_del
->path
.u
.cost_e2
= 0;
793 memset(&prefix
, 0, sizeof(struct prefix
));
794 prefix
.family
= AF_INET6
;
795 prefix
.prefixlen
= external
->prefix
.prefix_length
;
796 ospf6_prefix_in6_addr(&prefix
.u
.prefix6
, external
, &external
->prefix
);
798 if (type
== OSPF6_LSTYPE_TYPE_7
)
799 route
= ospf6_route_lookup(&prefix
, oa
->route_table
);
801 route
= ospf6_route_lookup(&prefix
, oa
->ospf6
->route_table
);
805 zlog_debug("AS-External route %pFX not found", &prefix
);
806 ospf6_route_delete(route_to_del
);
812 "%s: Current route %pFX cost %u e2 %u, route to del cost %u e2 %u",
813 __func__
, &prefix
, route
->path
.cost
, route
->path
.u
.cost_e2
,
814 route_to_del
->path
.cost
, route_to_del
->path
.u
.cost_e2
);
816 for (ospf6_route_lock(route
);
817 route
&& ospf6_route_is_prefix(&prefix
, route
); route
= nroute
) {
818 nroute
= ospf6_route_next(route
);
820 if (route
->type
!= OSPF6_DEST_TYPE_NETWORK
)
823 /* Route has multiple ECMP paths, remove matching
824 * path. Update current route's effective nh list
825 * after removal of one of the path.
827 if (listcount(route
->paths
) > 1) {
828 struct listnode
*anode
, *anext
;
829 struct listnode
*nnode
, *rnode
, *rnext
;
830 struct ospf6_nexthop
*nh
, *rnh
;
831 struct ospf6_path
*o_path
;
832 bool nh_updated
= false;
834 /* Iterate all paths of route to find maching with LSA
835 * remove from route path list. If route->path is same,
836 * replace from paths list.
838 for (ALL_LIST_ELEMENTS(route
->paths
, anode
, anext
,
840 if ((o_path
->origin
.type
!= lsa
->header
->type
)
841 || (o_path
->origin
.adv_router
842 != lsa
->header
->adv_router
)
843 || (o_path
->origin
.id
!= lsa
->header
->id
))
846 /* Compare LSA cost with current
850 && (o_path
->cost
!= route_to_del
->path
.cost
852 != route_to_del
->path
.u
854 if (IS_OSPF6_DEBUG_EXAMIN(
857 "%s: route %pFX to delete is not same, cost %u del cost %u. skip",
868 "%s: route %pFX path found with cost %u nh %u to remove.",
869 __func__
, &prefix
, route
->path
.cost
,
870 listcount(o_path
->nh_list
));
873 /* Remove found path's nh_list from
874 * the route's nh_list.
876 for (ALL_LIST_ELEMENTS_RO(o_path
->nh_list
,
878 for (ALL_LIST_ELEMENTS(route
->nh_list
,
881 if (!ospf6_nexthop_is_same(rnh
,
884 listnode_delete(route
->nh_list
,
886 ospf6_nexthop_delete(rnh
);
889 /* Delete the path from route's path list */
890 listnode_delete(route
->paths
, o_path
);
891 ospf6_path_free(o_path
);
896 /* Iterate all paths and merge nexthop,
897 * unlesss any of the nexthop similar to
898 * ones deleted as part of path deletion.
901 for (ALL_LIST_ELEMENTS(route
->paths
, anode
,
903 ospf6_merge_nexthops(route
->nh_list
,
909 "%s: AS-External %u route %pFX update paths %u nh %u",
912 == OSPF6_PATH_TYPE_EXTERNAL1
)
915 &route
->prefix
, listcount(route
->paths
),
916 route
->nh_list
? listcount(
921 if (listcount(route
->paths
)) {
922 /* Update RIB/FIB with effective
925 if (oa
->ospf6
->route_table
->hook_add
)
926 (*oa
->ospf6
->route_table
929 /* route's primary path is similar
930 * to LSA, replace route's primary
931 * path with route's paths list head.
933 if ((route
->path
.origin
.id
==
935 (route
->path
.origin
.adv_router
936 == lsa
->header
->adv_router
)) {
937 struct ospf6_path
*h_path
;
939 h_path
= (struct ospf6_path
*)
941 listhead(route
->paths
));
942 route
->path
.origin
.type
=
944 route
->path
.origin
.id
=
946 route
->path
.origin
.adv_router
=
947 h_path
->origin
.adv_router
;
950 if (type
== OSPF6_LSTYPE_TYPE_7
)
952 route
, oa
->route_table
);
956 oa
->ospf6
->route_table
);
962 /* Compare LSA origin and cost with current route info.
963 * if any check fails skip del this route node.
966 && (!ospf6_route_is_same_origin(route
, route_to_del
)
967 || (route
->path
.type
!= route_to_del
->path
.type
)
968 || (route
->path
.cost
!= route_to_del
->path
.cost
)
969 || (route
->path
.u
.cost_e2
970 != route_to_del
->path
.u
.cost_e2
))) {
973 "%s: route %pFX to delete is not same, cost %u del cost %u. skip",
974 __func__
, &prefix
, route
->path
.cost
,
975 route_to_del
->path
.cost
);
980 if ((route
->path
.origin
.type
!= lsa
->header
->type
)
981 || (route
->path
.origin
.adv_router
982 != lsa
->header
->adv_router
)
983 || (route
->path
.origin
.id
!= lsa
->header
->id
))
988 "%s: AS-External %u route remove %pFX cost %u(%u) nh %u",
990 route
->path
.type
== OSPF6_PATH_TYPE_EXTERNAL1
993 &route
->prefix
, route
->path
.cost
, route
->path
.u
.cost_e2
,
994 listcount(route
->nh_list
));
996 if (type
== OSPF6_LSTYPE_TYPE_7
)
997 ospf6_route_remove(route
, oa
->route_table
);
999 ospf6_route_remove(route
, oa
->ospf6
->route_table
);
1002 ospf6_route_unlock(route
);
1004 ospf6_route_delete(route_to_del
);
1007 void ospf6_asbr_lsentry_add(struct ospf6_route
*asbr_entry
, struct ospf6
*ospf6
)
1009 struct ospf6_lsa
*lsa
;
1013 if (!CHECK_FLAG(asbr_entry
->flag
, OSPF6_ROUTE_BEST
)) {
1015 inet_ntop(AF_INET
, &ADV_ROUTER_IN_PREFIX(&asbr_entry
->prefix
),
1017 zlog_info("ignore non-best path: lsentry %s add", buf
);
1021 type
= htons(OSPF6_LSTYPE_AS_EXTERNAL
);
1022 router
= ospf6_linkstate_prefix_adv_router(&asbr_entry
->prefix
);
1023 for (ALL_LSDB_TYPED_ADVRTR(ospf6
->lsdb
, type
, router
, lsa
)) {
1024 if (!OSPF6_LSA_IS_MAXAGE(lsa
))
1025 ospf6_asbr_lsa_add(lsa
);
1029 void ospf6_asbr_lsentry_remove(struct ospf6_route
*asbr_entry
,
1030 struct ospf6
*ospf6
)
1032 struct ospf6_lsa
*lsa
;
1036 type
= htons(OSPF6_LSTYPE_AS_EXTERNAL
);
1037 router
= ospf6_linkstate_prefix_adv_router(&asbr_entry
->prefix
);
1038 for (ALL_LSDB_TYPED_ADVRTR(ospf6
->lsdb
, type
, router
, lsa
))
1039 ospf6_asbr_lsa_remove(lsa
, asbr_entry
);
1043 /* redistribute function */
1044 static void ospf6_asbr_routemap_set(struct ospf6_redist
*red
,
1045 const char *mapname
)
1047 if (ROUTEMAP_NAME(red
)) {
1048 route_map_counter_decrement(ROUTEMAP(red
));
1049 free(ROUTEMAP_NAME(red
));
1052 ROUTEMAP_NAME(red
) = strdup(mapname
);
1053 ROUTEMAP(red
) = route_map_lookup_by_name(mapname
);
1054 route_map_counter_increment(ROUTEMAP(red
));
1057 static void ospf6_asbr_routemap_unset(struct ospf6_redist
*red
)
1059 if (ROUTEMAP_NAME(red
))
1060 free(ROUTEMAP_NAME(red
));
1062 route_map_counter_decrement(ROUTEMAP(red
));
1064 ROUTEMAP_NAME(red
) = NULL
;
1065 ROUTEMAP(red
) = NULL
;
1068 static void ospf6_asbr_routemap_update_timer(struct thread
*thread
)
1070 struct ospf6
*ospf6
= THREAD_ARG(thread
);
1071 struct ospf6_redist
*red
;
1074 for (type
= 0; type
< ZEBRA_ROUTE_MAX
; type
++) {
1075 red
= ospf6_redist_lookup(ospf6
, type
, 0);
1080 if (!CHECK_FLAG(red
->flag
, OSPF6_IS_RMAP_CHANGED
))
1083 if (ROUTEMAP_NAME(red
))
1085 route_map_lookup_by_name(ROUTEMAP_NAME(red
));
1087 if (ROUTEMAP(red
)) {
1088 if (IS_OSPF6_DEBUG_ASBR
)
1090 "%s: route-map %s update, reset redist %s",
1091 __func__
, ROUTEMAP_NAME(red
),
1094 ospf6_zebra_no_redistribute(type
, ospf6
->vrf_id
);
1095 ospf6_zebra_redistribute(type
, ospf6
->vrf_id
);
1098 UNSET_FLAG(red
->flag
, OSPF6_IS_RMAP_CHANGED
);
1102 void ospf6_asbr_distribute_list_update(struct ospf6
*ospf6
,
1103 struct ospf6_redist
*red
)
1105 SET_FLAG(red
->flag
, OSPF6_IS_RMAP_CHANGED
);
1107 if (thread_is_scheduled(ospf6
->t_distribute_update
))
1110 if (IS_OSPF6_DEBUG_ASBR
)
1111 zlog_debug("%s: trigger redistribute reset thread", __func__
);
1113 thread_add_timer_msec(master
, ospf6_asbr_routemap_update_timer
, ospf6
,
1114 OSPF_MIN_LS_INTERVAL
,
1115 &ospf6
->t_distribute_update
);
1118 void ospf6_asbr_routemap_update(const char *mapname
)
1121 struct listnode
*node
, *nnode
;
1122 struct ospf6
*ospf6
= NULL
;
1123 struct ospf6_redist
*red
;
1128 for (ALL_LIST_ELEMENTS(om6
->ospf6
, node
, nnode
, ospf6
)) {
1129 for (type
= 0; type
< ZEBRA_ROUTE_MAX
; type
++) {
1130 red
= ospf6_redist_lookup(ospf6
, type
, 0);
1131 if (!red
|| (ROUTEMAP_NAME(red
) == NULL
))
1134 route_map_lookup_by_name(ROUTEMAP_NAME(red
));
1137 || strcmp(ROUTEMAP_NAME(red
), mapname
))
1139 if (ROUTEMAP(red
)) {
1140 if (IS_OSPF6_DEBUG_ASBR
)
1142 "%s: route-map %s update, reset redist %s",
1148 route_map_counter_increment(ROUTEMAP(red
));
1149 ospf6_asbr_distribute_list_update(ospf6
, red
);
1152 * if the mapname matches a
1153 * route-map on ospf6 but the
1154 * map doesn't exist, it is
1155 * being deleted. flush and then
1158 if (IS_OSPF6_DEBUG_ASBR
)
1160 "%s: route-map %s deleted, reset redist %s",
1165 ospf6_asbr_redistribute_unset(ospf6
, red
, type
);
1166 ospf6_asbr_routemap_set(red
, mapname
);
1167 ospf6_asbr_redistribute_set(ospf6
, type
);
1173 static void ospf6_asbr_routemap_event(const char *name
)
1176 struct listnode
*node
, *nnode
;
1177 struct ospf6
*ospf6
;
1178 struct ospf6_redist
*red
;
1182 for (ALL_LIST_ELEMENTS(om6
->ospf6
, node
, nnode
, ospf6
)) {
1183 for (type
= 0; type
< ZEBRA_ROUTE_MAX
; type
++) {
1184 red
= ospf6_redist_lookup(ospf6
, type
, 0);
1185 if (red
&& ROUTEMAP_NAME(red
)
1186 && (strcmp(ROUTEMAP_NAME(red
), name
) == 0))
1187 ospf6_asbr_distribute_list_update(ospf6
, red
);
1192 int ospf6_asbr_is_asbr(struct ospf6
*o
)
1194 return (o
->external_table
->count
|| IS_OSPF6_ASBR(o
));
1197 struct ospf6_redist
*ospf6_redist_lookup(struct ospf6
*ospf6
, int type
,
1198 unsigned short instance
)
1200 struct list
*red_list
;
1201 struct listnode
*node
;
1202 struct ospf6_redist
*red
;
1204 red_list
= ospf6
->redist
[type
];
1208 for (ALL_LIST_ELEMENTS_RO(red_list
, node
, red
))
1209 if (red
->instance
== instance
)
1215 static struct ospf6_redist
*ospf6_redist_add(struct ospf6
*ospf6
, int type
,
1218 struct ospf6_redist
*red
;
1220 red
= ospf6_redist_lookup(ospf6
, type
, instance
);
1224 if (!ospf6
->redist
[type
])
1225 ospf6
->redist
[type
] = list_new();
1227 red
= XCALLOC(MTYPE_OSPF6_REDISTRIBUTE
, sizeof(struct ospf6_redist
));
1228 red
->instance
= instance
;
1229 red
->dmetric
.type
= -1;
1230 red
->dmetric
.value
= -1;
1231 ROUTEMAP_NAME(red
) = NULL
;
1232 ROUTEMAP(red
) = NULL
;
1234 listnode_add(ospf6
->redist
[type
], red
);
1235 ospf6
->redistribute
++;
1240 static void ospf6_redist_del(struct ospf6
*ospf6
, struct ospf6_redist
*red
,
1244 listnode_delete(ospf6
->redist
[type
], red
);
1245 if (!ospf6
->redist
[type
]->count
) {
1246 list_delete(&ospf6
->redist
[type
]);
1248 XFREE(MTYPE_OSPF6_REDISTRIBUTE
, red
);
1249 ospf6
->redistribute
--;
1253 /*Set the status of the ospf instance to ASBR based on the status parameter,
1254 * rechedule SPF calculation, originate router LSA*/
1255 void ospf6_asbr_status_update(struct ospf6
*ospf6
, int status
)
1257 struct listnode
*lnode
, *lnnode
;
1258 struct ospf6_area
*oa
;
1260 zlog_info("ASBR[%s:Status:%d]: Update", ospf6
->name
, status
);
1263 if (IS_OSPF6_ASBR(ospf6
)) {
1264 zlog_info("ASBR[%s:Status:%d]: Already ASBR",
1265 ospf6
->name
, status
);
1268 SET_FLAG(ospf6
->flag
, OSPF6_FLAG_ASBR
);
1270 if (!IS_OSPF6_ASBR(ospf6
)) {
1271 zlog_info("ASBR[%s:Status:%d]: Already non ASBR",
1272 ospf6
->name
, status
);
1275 UNSET_FLAG(ospf6
->flag
, OSPF6_FLAG_ASBR
);
1278 /* Transition from/to status ASBR, schedule timer. */
1279 ospf6_spf_schedule(ospf6
, OSPF6_SPF_FLAGS_ASBR_STATUS_CHANGE
);
1281 /* Reoriginate router LSA for all areas */
1282 for (ALL_LIST_ELEMENTS(ospf6
->area_list
, lnode
, lnnode
, oa
))
1283 OSPF6_ROUTER_LSA_SCHEDULE(oa
);
1286 static void ospf6_asbr_redistribute_set(struct ospf6
*ospf6
, int type
)
1288 ospf6_zebra_redistribute(type
, ospf6
->vrf_id
);
1290 ++ospf6
->redist_count
;
1291 ospf6_asbr_status_update(ospf6
, ospf6
->redist_count
);
1294 static void ospf6_asbr_redistribute_unset(struct ospf6
*ospf6
,
1295 struct ospf6_redist
*red
, int type
)
1297 struct ospf6_route
*route
;
1298 struct ospf6_external_info
*info
;
1300 ospf6_zebra_no_redistribute(type
, ospf6
->vrf_id
);
1302 for (route
= ospf6_route_head(ospf6
->external_table
); route
;
1303 route
= ospf6_route_next(route
)) {
1304 info
= route
->route_option
;
1305 if (info
->type
!= type
)
1308 ospf6_asbr_redistribute_remove(info
->type
, 0, &route
->prefix
,
1312 ospf6_asbr_routemap_unset(red
);
1313 --ospf6
->redist_count
;
1314 ospf6_asbr_status_update(ospf6
, ospf6
->redist_count
);
1317 /* When an area is unstubified, flood all the external LSAs in the area */
1318 void ospf6_asbr_send_externals_to_area(struct ospf6_area
*oa
)
1320 struct ospf6_lsa
*lsa
, *lsanext
;
1322 for (ALL_LSDB(oa
->ospf6
->lsdb
, lsa
, lsanext
)) {
1323 if (ntohs(lsa
->header
->type
) == OSPF6_LSTYPE_AS_EXTERNAL
) {
1324 if (IS_OSPF6_DEBUG_ASBR
)
1325 zlog_debug("%s: Flooding AS-External LSA %s",
1326 __func__
, lsa
->name
);
1328 ospf6_flood_area(NULL
, lsa
, oa
);
1333 /* When an area is stubified, remove all the external LSAs in the area */
1334 void ospf6_asbr_remove_externals_from_area(struct ospf6_area
*oa
)
1336 struct ospf6_lsa
*lsa
, *lsanext
;
1337 struct listnode
*node
, *nnode
;
1338 struct ospf6_area
*area
;
1339 struct ospf6
*ospf6
= oa
->ospf6
;
1340 const struct route_node
*iterend
;
1342 /* skip if router is in other non-stub/non-NSSA areas */
1343 for (ALL_LIST_ELEMENTS(ospf6
->area_list
, node
, nnode
, area
))
1344 if (!IS_AREA_STUB(area
) && !IS_AREA_NSSA(area
))
1347 /* if router is only in a stub area then purge AS-External LSAs */
1348 iterend
= ospf6_lsdb_head(ospf6
->lsdb
, 0, 0, 0, &lsa
);
1349 while (lsa
!= NULL
) {
1350 assert(lsa
->lock
> 1);
1351 lsanext
= ospf6_lsdb_next(iterend
, lsa
);
1352 if (ntohs(lsa
->header
->type
) == OSPF6_LSTYPE_AS_EXTERNAL
)
1353 ospf6_lsdb_remove(lsa
, ospf6
->lsdb
);
1358 static struct ospf6_external_aggr_rt
*
1359 ospf6_external_aggr_match(struct ospf6
*ospf6
, struct prefix
*p
)
1361 struct route_node
*node
;
1363 node
= route_node_match(ospf6
->rt_aggr_tbl
, p
);
1367 if (IS_OSPF6_DEBUG_AGGR
) {
1368 struct ospf6_external_aggr_rt
*ag
= node
->info
;
1369 zlog_debug("%s: Matching aggregator found.prefix: %pFX Aggregator %pFX",
1375 route_unlock_node(node
);
1380 void ospf6_asbr_redistribute_add(int type
, ifindex_t ifindex
,
1381 struct prefix
*prefix
,
1382 unsigned int nexthop_num
,
1383 struct in6_addr
*nexthop
, route_tag_t tag
,
1384 struct ospf6
*ospf6
)
1386 route_map_result_t ret
;
1387 struct ospf6_route troute
;
1388 struct ospf6_external_info tinfo
;
1389 struct ospf6_route
*route
, *match
;
1390 struct ospf6_external_info
*info
;
1391 struct ospf6_redist
*red
;
1393 red
= ospf6_redist_lookup(ospf6
, type
, 0);
1398 if ((type
!= DEFAULT_ROUTE
)
1399 && !ospf6_zebra_is_redistribute(type
, ospf6
->vrf_id
))
1402 memset(&troute
, 0, sizeof(troute
));
1403 memset(&tinfo
, 0, sizeof(tinfo
));
1405 if (IS_OSPF6_DEBUG_ASBR
)
1406 zlog_debug("Redistribute %pFX (%s)", prefix
,
1407 type
== DEFAULT_ROUTE
1408 ? "default-information-originate"
1409 : ZROUTE_NAME(type
));
1411 /* if route-map was specified but not found, do not advertise */
1412 if (ROUTEMAP_NAME(red
)) {
1413 if (ROUTEMAP(red
) == NULL
)
1414 ospf6_asbr_routemap_update(NULL
);
1415 if (ROUTEMAP(red
) == NULL
) {
1417 "route-map \"%s\" not found, suppress redistributing",
1418 ROUTEMAP_NAME(red
));
1423 /* apply route-map */
1424 if (ROUTEMAP(red
)) {
1425 troute
.route_option
= &tinfo
;
1426 troute
.ospf6
= ospf6
;
1427 tinfo
.ifindex
= ifindex
;
1430 ret
= route_map_apply(ROUTEMAP(red
), prefix
, &troute
);
1431 if (ret
== RMAP_DENYMATCH
) {
1432 if (IS_OSPF6_DEBUG_ASBR
)
1433 zlog_debug("Denied by route-map \"%s\"",
1434 ROUTEMAP_NAME(red
));
1435 ospf6_asbr_redistribute_remove(type
, ifindex
, prefix
,
1441 match
= ospf6_route_lookup(prefix
, ospf6
->external_table
);
1443 info
= match
->route_option
;
1444 /* copy result of route-map */
1445 if (ROUTEMAP(red
)) {
1446 if (troute
.path
.metric_type
)
1447 match
->path
.metric_type
=
1448 troute
.path
.metric_type
;
1450 match
->path
.metric_type
=
1451 metric_type(ospf6
, type
, 0);
1452 if (troute
.path
.cost
)
1453 match
->path
.cost
= troute
.path
.cost
;
1455 match
->path
.cost
= metric_value(ospf6
, type
, 0);
1457 if (!IN6_IS_ADDR_UNSPECIFIED(&tinfo
.forwarding
))
1458 memcpy(&info
->forwarding
, &tinfo
.forwarding
,
1459 sizeof(struct in6_addr
));
1460 info
->tag
= tinfo
.tag
;
1462 /* If there is no route-map, simply update the tag and
1465 match
->path
.metric_type
= metric_type(ospf6
, type
, 0);
1466 match
->path
.cost
= metric_value(ospf6
, type
, 0);
1472 if (nexthop_num
&& nexthop
)
1473 ospf6_route_add_nexthop(match
, ifindex
, nexthop
);
1475 ospf6_route_add_nexthop(match
, ifindex
, NULL
);
1477 match
->path
.origin
.id
= htonl(info
->id
);
1478 ospf6_handle_external_lsa_origination(ospf6
, match
, prefix
);
1480 ospf6_asbr_status_update(ospf6
, ospf6
->redistribute
);
1485 /* create new entry */
1486 route
= ospf6_route_create(ospf6
);
1487 route
->type
= OSPF6_DEST_TYPE_NETWORK
;
1488 prefix_copy(&route
->prefix
, prefix
);
1490 info
= (struct ospf6_external_info
*)XCALLOC(
1491 MTYPE_OSPF6_EXTERNAL_INFO
, sizeof(struct ospf6_external_info
));
1492 route
->route_option
= info
;
1494 /* copy result of route-map */
1495 if (ROUTEMAP(red
)) {
1496 if (troute
.path
.metric_type
)
1497 route
->path
.metric_type
= troute
.path
.metric_type
;
1499 route
->path
.metric_type
= metric_type(ospf6
, type
, 0);
1500 if (troute
.path
.cost
)
1501 route
->path
.cost
= troute
.path
.cost
;
1503 route
->path
.cost
= metric_value(ospf6
, type
, 0);
1504 if (!IN6_IS_ADDR_UNSPECIFIED(&tinfo
.forwarding
))
1505 memcpy(&info
->forwarding
, &tinfo
.forwarding
,
1506 sizeof(struct in6_addr
));
1507 info
->tag
= tinfo
.tag
;
1509 /* If there is no route-map, simply update the tag and metric
1512 route
->path
.metric_type
= metric_type(ospf6
, type
, 0);
1513 route
->path
.cost
= metric_value(ospf6
, type
, 0);
1518 if (nexthop_num
&& nexthop
)
1519 ospf6_route_add_nexthop(route
, ifindex
, nexthop
);
1521 ospf6_route_add_nexthop(route
, ifindex
, NULL
);
1523 route
= ospf6_route_add(route
, ospf6
->external_table
);
1524 ospf6_handle_external_lsa_origination(ospf6
, route
, prefix
);
1526 ospf6_asbr_status_update(ospf6
, ospf6
->redistribute
);
1530 static void ospf6_asbr_external_lsa_remove_by_id(struct ospf6
*ospf6
,
1533 struct ospf6_lsa
*lsa
;
1535 lsa
= ospf6_lsdb_lookup(htons(OSPF6_LSTYPE_AS_EXTERNAL
),
1536 htonl(id
), ospf6
->router_id
, ospf6
->lsdb
);
1540 ospf6_external_lsa_purge(ospf6
, lsa
);
1545 ospf6_link_route_to_aggr(struct ospf6_external_aggr_rt
*aggr
,
1546 struct ospf6_route
*rt
)
1548 (void)hash_get(aggr
->match_extnl_hash
, rt
, hash_alloc_intern
);
1549 rt
->aggr_route
= aggr
;
1553 ospf6_asbr_summary_remove_lsa_and_route(struct ospf6
*ospf6
,
1554 struct ospf6_external_aggr_rt
*aggr
)
1557 /* Send a Max age LSA if it is already originated.*/
1558 if (!CHECK_FLAG(aggr
->aggrflags
, OSPF6_EXTERNAL_AGGRT_ORIGINATED
))
1561 if (IS_OSPF6_DEBUG_AGGR
)
1562 zlog_debug("%s: Flushing Aggregate route (%pFX)",
1566 ospf6_asbr_external_lsa_remove_by_id(ospf6
, aggr
->id
);
1569 if (IS_OSPF6_DEBUG_AGGR
)
1571 "%s: Remove the blackhole route",
1574 ospf6_zebra_route_update_remove(aggr
->route
, ospf6
);
1575 if (aggr
->route
->route_option
)
1576 XFREE(MTYPE_OSPF6_EXTERNAL_INFO
,
1577 aggr
->route
->route_option
);
1578 ospf6_route_delete(aggr
->route
);
1583 /* Unset the Origination flag */
1584 UNSET_FLAG(aggr
->aggrflags
, OSPF6_EXTERNAL_AGGRT_ORIGINATED
);
1588 ospf6_unlink_route_from_aggr(struct ospf6
*ospf6
,
1589 struct ospf6_external_aggr_rt
*aggr
,
1590 struct ospf6_route
*rt
)
1592 if (IS_OSPF6_DEBUG_AGGR
)
1593 zlog_debug("%s: Unlinking external route(%pFX) from aggregator(%pFX), external route count:%ld",
1597 OSPF6_EXTERNAL_RT_COUNT(aggr
));
1599 hash_release(aggr
->match_extnl_hash
, rt
);
1600 rt
->aggr_route
= NULL
;
1602 /* Flush the aggregate route if matching
1603 * external route count becomes zero.
1605 if (!OSPF6_EXTERNAL_RT_COUNT(aggr
))
1606 ospf6_asbr_summary_remove_lsa_and_route(ospf6
, aggr
);
1609 void ospf6_asbr_redistribute_remove(int type
, ifindex_t ifindex
,
1610 struct prefix
*prefix
, struct ospf6
*ospf6
)
1612 struct ospf6_route
*match
;
1613 struct ospf6_external_info
*info
= NULL
;
1615 match
= ospf6_route_lookup(prefix
, ospf6
->external_table
);
1616 if (match
== NULL
) {
1617 if (IS_OSPF6_DEBUG_ASBR
)
1618 zlog_debug("No such route %pFX to withdraw", prefix
);
1622 info
= match
->route_option
;
1625 if (info
->type
!= type
) {
1626 if (IS_OSPF6_DEBUG_ASBR
)
1627 zlog_debug("Original protocol mismatch: %pFX", prefix
);
1631 /* This means aggregation on this route was not done, hence remove LSA
1632 * if any originated for this prefix
1634 if (!match
->aggr_route
)
1635 ospf6_asbr_external_lsa_remove_by_id(ospf6
, info
->id
);
1637 ospf6_unlink_route_from_aggr(ospf6
, match
->aggr_route
, match
);
1639 if (IS_OSPF6_DEBUG_ASBR
)
1640 zlog_debug("Removing route from external table %pFX",
1643 ospf6_route_remove(match
, ospf6
->external_table
);
1644 XFREE(MTYPE_OSPF6_EXTERNAL_INFO
, info
);
1646 ospf6_asbr_status_update(ospf6
, ospf6
->redistribute
);
1649 DEFPY (ospf6_redistribute
,
1650 ospf6_redistribute_cmd
,
1651 "redistribute " FRR_REDIST_STR_OSPF6D
"[{metric (0-16777214)|metric-type (1-2)$metric_type|route-map RMAP_NAME$rmap_str}]",
1653 FRR_REDIST_HELP_STR_OSPF6D
1654 "Metric for redistributed routes\n"
1655 "OSPF default metric\n"
1656 "OSPF exterior metric type for redistributed routes\n"
1657 "Set OSPF External Type 1/2 metrics\n"
1658 "Route map reference\n"
1662 struct ospf6_redist
*red
;
1663 int idx_protocol
= 1;
1664 char *proto
= argv
[idx_protocol
]->text
;
1666 VTY_DECLVAR_CONTEXT(ospf6
, ospf6
);
1668 type
= proto_redistnum(AFI_IP6
, proto
);
1670 return CMD_WARNING_CONFIG_FAILED
;
1674 if (!metric_type_str
)
1677 red
= ospf6_redist_lookup(ospf6
, type
, 0);
1679 red
= ospf6_redist_add(ospf6
, type
, 0);
1681 /* Check if nothing has changed. */
1682 if (red
->dmetric
.value
== metric
1683 && red
->dmetric
.type
== metric_type
1684 && ((!ROUTEMAP_NAME(red
) && !rmap_str
)
1685 || (ROUTEMAP_NAME(red
) && rmap_str
1686 && strmatch(ROUTEMAP_NAME(red
), rmap_str
))))
1689 ospf6_asbr_redistribute_unset(ospf6
, red
, type
);
1692 red
->dmetric
.value
= metric
;
1693 red
->dmetric
.type
= metric_type
;
1695 ospf6_asbr_routemap_set(red
, rmap_str
);
1697 ospf6_asbr_routemap_unset(red
);
1698 ospf6_asbr_redistribute_set(ospf6
, type
);
1703 DEFUN (no_ospf6_redistribute
,
1704 no_ospf6_redistribute_cmd
,
1705 "no redistribute " FRR_REDIST_STR_OSPF6D
"[{metric (0-16777214)|metric-type (1-2)|route-map RMAP_NAME}]",
1708 FRR_REDIST_HELP_STR_OSPF6D
1709 "Metric for redistributed routes\n"
1710 "OSPF default metric\n"
1711 "OSPF exterior metric type for redistributed routes\n"
1712 "Set OSPF External Type 1/2 metrics\n"
1713 "Route map reference\n"
1717 struct ospf6_redist
*red
;
1718 int idx_protocol
= 2;
1719 char *proto
= argv
[idx_protocol
]->text
;
1721 VTY_DECLVAR_CONTEXT(ospf6
, ospf6
);
1723 type
= proto_redistnum(AFI_IP6
, proto
);
1725 return CMD_WARNING_CONFIG_FAILED
;
1727 red
= ospf6_redist_lookup(ospf6
, type
, 0);
1731 ospf6_asbr_redistribute_unset(ospf6
, red
, type
);
1732 ospf6_redist_del(ospf6
, red
, type
);
1737 int ospf6_redistribute_config_write(struct vty
*vty
, struct ospf6
*ospf6
)
1740 struct ospf6_redist
*red
;
1742 for (type
= 0; type
< ZEBRA_ROUTE_MAX
; type
++) {
1743 red
= ospf6_redist_lookup(ospf6
, type
, 0);
1746 if (type
== ZEBRA_ROUTE_OSPF6
)
1749 vty_out(vty
, " redistribute %s", ZROUTE_NAME(type
));
1750 if (red
->dmetric
.value
>= 0)
1751 vty_out(vty
, " metric %d", red
->dmetric
.value
);
1752 if (red
->dmetric
.type
== 1)
1753 vty_out(vty
, " metric-type 1");
1754 if (ROUTEMAP_NAME(red
))
1755 vty_out(vty
, " route-map %s", ROUTEMAP_NAME(red
));
1762 static void ospf6_redistribute_show_config(struct vty
*vty
, struct ospf6
*ospf6
,
1763 json_object
*json_array
,
1764 json_object
*json
, bool use_json
)
1767 int nroute
[ZEBRA_ROUTE_MAX
];
1769 struct ospf6_route
*route
;
1770 struct ospf6_external_info
*info
;
1771 json_object
*json_route
;
1772 struct ospf6_redist
*red
;
1775 memset(nroute
, 0, sizeof(nroute
));
1776 for (route
= ospf6_route_head(ospf6
->external_table
); route
;
1777 route
= ospf6_route_next(route
)) {
1778 info
= route
->route_option
;
1779 nroute
[info
->type
]++;
1784 vty_out(vty
, "Redistributing External Routes from:\n");
1786 for (type
= 0; type
< ZEBRA_ROUTE_MAX
; type
++) {
1788 red
= ospf6_redist_lookup(ospf6
, type
, 0);
1792 if (type
== ZEBRA_ROUTE_OSPF6
)
1796 json_route
= json_object_new_object();
1797 json_object_string_add(json_route
, "routeType",
1799 json_object_int_add(json_route
, "numberOfRoutes",
1801 json_object_boolean_add(json_route
,
1802 "routeMapNamePresent",
1803 ROUTEMAP_NAME(red
));
1806 if (ROUTEMAP_NAME(red
)) {
1808 json_object_string_add(json_route
,
1810 ROUTEMAP_NAME(red
));
1811 json_object_boolean_add(json_route
,
1816 " %d: %s with route-map \"%s\"%s\n",
1817 nroute
[type
], ZROUTE_NAME(type
),
1820 : " (not found !)"));
1823 vty_out(vty
, " %d: %s\n", nroute
[type
],
1828 json_object_array_add(json_array
, json_route
);
1831 json_object_object_add(json
, "redistributedRoutes", json_array
);
1832 json_object_int_add(json
, "totalRoutes", total
);
1834 vty_out(vty
, "Total %d routes\n", total
);
1837 static void ospf6_redistribute_default_set(struct ospf6
*ospf6
, int originate
)
1839 struct prefix_ipv6 p
= {};
1840 struct in6_addr nexthop
= {};
1841 int cur_originate
= ospf6
->default_originate
;
1843 p
.family
= AF_INET6
;
1846 ospf6
->default_originate
= originate
;
1848 switch (cur_originate
) {
1849 case DEFAULT_ORIGINATE_NONE
:
1851 case DEFAULT_ORIGINATE_ZEBRA
:
1852 zclient_redistribute_default(ZEBRA_REDISTRIBUTE_DEFAULT_DELETE
,
1853 zclient
, AFI_IP6
, ospf6
->vrf_id
);
1854 ospf6_asbr_redistribute_remove(DEFAULT_ROUTE
, 0,
1855 (struct prefix
*)&p
, ospf6
);
1858 case DEFAULT_ORIGINATE_ALWAYS
:
1859 ospf6_asbr_redistribute_remove(DEFAULT_ROUTE
, 0,
1860 (struct prefix
*)&p
, ospf6
);
1864 switch (originate
) {
1865 case DEFAULT_ORIGINATE_NONE
:
1867 case DEFAULT_ORIGINATE_ZEBRA
:
1868 zclient_redistribute_default(ZEBRA_REDISTRIBUTE_DEFAULT_ADD
,
1869 zclient
, AFI_IP6
, ospf6
->vrf_id
);
1872 case DEFAULT_ORIGINATE_ALWAYS
:
1873 ospf6_asbr_redistribute_add(DEFAULT_ROUTE
, 0,
1874 (struct prefix
*)&p
, 0, &nexthop
, 0,
1880 /* Default Route originate. */
1881 DEFPY (ospf6_default_route_originate
,
1882 ospf6_default_route_originate_cmd
,
1883 "default-information originate [{always$always|metric (0-16777214)$mval|metric-type (1-2)$mtype|route-map RMAP_NAME$rtmap}]",
1884 "Control distribution of default route\n"
1885 "Distribute a default route\n"
1886 "Always advertise default route\n"
1887 "OSPFv3 default metric\n"
1889 "OSPFv3 metric type for default routes\n"
1890 "Set OSPFv3 External Type 1/2 metrics\n"
1891 "Route map reference\n"
1892 "Pointer to route-map entries\n")
1894 int default_originate
= DEFAULT_ORIGINATE_ZEBRA
;
1895 struct ospf6_redist
*red
;
1896 bool sameRtmap
= false;
1898 VTY_DECLVAR_CONTEXT(ospf6
, ospf6
);
1900 int cur_originate
= ospf6
->default_originate
;
1902 red
= ospf6_redist_add(ospf6
, DEFAULT_ROUTE
, 0);
1905 default_originate
= DEFAULT_ORIGINATE_ALWAYS
;
1907 if (mval_str
== NULL
)
1910 if (mtype_str
== NULL
)
1913 /* To check if user is providing same route map */
1914 if ((!rtmap
&& !ROUTEMAP_NAME(red
)) ||
1915 (rtmap
&& ROUTEMAP_NAME(red
) &&
1916 (strcmp(rtmap
, ROUTEMAP_NAME(red
)) == 0)))
1919 /* Don't allow if the same lsa is already originated. */
1920 if ((sameRtmap
) && (red
->dmetric
.type
== mtype
)
1921 && (red
->dmetric
.value
== mval
)
1922 && (cur_originate
== default_originate
))
1925 /* Updating Metric details */
1926 red
->dmetric
.type
= mtype
;
1927 red
->dmetric
.value
= mval
;
1929 /* updating route map details */
1931 ospf6_asbr_routemap_set(red
, rtmap
);
1933 ospf6_asbr_routemap_unset(red
);
1935 ospf6_redistribute_default_set(ospf6
, default_originate
);
1939 DEFPY (no_ospf6_default_information_originate
,
1940 no_ospf6_default_information_originate_cmd
,
1941 "no default-information originate [{always|metric (0-16777214)|metric-type (1-2)|route-map RMAP_NAME}]",
1943 "Control distribution of default information\n"
1944 "Distribute a default route\n"
1945 "Always advertise default route\n"
1946 "OSPFv3 default metric\n"
1948 "OSPFv3 metric type for default routes\n"
1949 "Set OSPFv3 External Type 1/2 metrics\n"
1950 "Route map reference\n"
1951 "Pointer to route-map entries\n")
1953 struct ospf6_redist
*red
;
1955 VTY_DECLVAR_CONTEXT(ospf6
, ospf6
);
1957 red
= ospf6_redist_lookup(ospf6
, DEFAULT_ROUTE
, 0);
1961 ospf6_asbr_routemap_unset(red
);
1962 ospf6_redist_del(ospf6
, red
, DEFAULT_ROUTE
);
1964 ospf6_redistribute_default_set(ospf6
, DEFAULT_ORIGINATE_NONE
);
1968 /* Routemap Functions */
1969 static enum route_map_cmd_result_t
1970 ospf6_routemap_rule_match_address_prefixlist(void *rule
,
1971 const struct prefix
*prefix
,
1975 struct prefix_list
*plist
;
1977 plist
= prefix_list_lookup(AFI_IP6
, (char *)rule
);
1979 return RMAP_NOMATCH
;
1981 return (prefix_list_apply(plist
, prefix
) == PREFIX_DENY
? RMAP_NOMATCH
1986 ospf6_routemap_rule_match_address_prefixlist_compile(const char *arg
)
1988 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED
, arg
);
1991 static void ospf6_routemap_rule_match_address_prefixlist_free(void *rule
)
1993 XFREE(MTYPE_ROUTE_MAP_COMPILED
, rule
);
1996 static const struct route_map_rule_cmd
1997 ospf6_routemap_rule_match_address_prefixlist_cmd
= {
1998 "ipv6 address prefix-list",
1999 ospf6_routemap_rule_match_address_prefixlist
,
2000 ospf6_routemap_rule_match_address_prefixlist_compile
,
2001 ospf6_routemap_rule_match_address_prefixlist_free
,
2004 /* `match interface IFNAME' */
2005 /* Match function should return 1 if match is success else return
2007 static enum route_map_cmd_result_t
2008 ospf6_routemap_rule_match_interface(void *rule
, const struct prefix
*prefix
,
2011 struct interface
*ifp
;
2012 struct ospf6_route
*route
;
2013 struct ospf6_external_info
*ei
;
2016 ei
= route
->route_option
;
2017 ifp
= if_lookup_by_name((char *)rule
, route
->ospf6
->vrf_id
);
2019 if (ifp
!= NULL
&& ei
->ifindex
== ifp
->ifindex
)
2022 return RMAP_NOMATCH
;
2025 /* Route map `interface' match statement. `arg' should be
2027 static void *ospf6_routemap_rule_match_interface_compile(const char *arg
)
2029 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED
, arg
);
2032 /* Free route map's compiled `interface' value. */
2033 static void ospf6_routemap_rule_match_interface_free(void *rule
)
2035 XFREE(MTYPE_ROUTE_MAP_COMPILED
, rule
);
2038 /* Route map commands for interface matching. */
2039 static const struct route_map_rule_cmd
2040 ospf6_routemap_rule_match_interface_cmd
= {
2042 ospf6_routemap_rule_match_interface
,
2043 ospf6_routemap_rule_match_interface_compile
,
2044 ospf6_routemap_rule_match_interface_free
2047 /* Match function for matching route tags */
2048 static enum route_map_cmd_result_t
2049 ospf6_routemap_rule_match_tag(void *rule
, const struct prefix
*p
, void *object
)
2051 route_tag_t
*tag
= rule
;
2052 struct ospf6_route
*route
= object
;
2053 struct ospf6_external_info
*info
= route
->route_option
;
2055 if (info
->tag
== *tag
)
2058 return RMAP_NOMATCH
;
2061 static const struct route_map_rule_cmd
2062 ospf6_routemap_rule_match_tag_cmd
= {
2064 ospf6_routemap_rule_match_tag
,
2065 route_map_rule_tag_compile
,
2066 route_map_rule_tag_free
,
2069 static enum route_map_cmd_result_t
2070 ospf6_routemap_rule_set_metric_type(void *rule
, const struct prefix
*prefix
,
2073 char *metric_type
= rule
;
2074 struct ospf6_route
*route
= object
;
2076 if (strcmp(metric_type
, "type-2") == 0)
2077 route
->path
.metric_type
= 2;
2079 route
->path
.metric_type
= 1;
2084 static void *ospf6_routemap_rule_set_metric_type_compile(const char *arg
)
2086 if (strcmp(arg
, "type-2") && strcmp(arg
, "type-1"))
2088 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED
, arg
);
2091 static void ospf6_routemap_rule_set_metric_type_free(void *rule
)
2093 XFREE(MTYPE_ROUTE_MAP_COMPILED
, rule
);
2096 static const struct route_map_rule_cmd
2097 ospf6_routemap_rule_set_metric_type_cmd
= {
2099 ospf6_routemap_rule_set_metric_type
,
2100 ospf6_routemap_rule_set_metric_type_compile
,
2101 ospf6_routemap_rule_set_metric_type_free
,
2104 static enum route_map_cmd_result_t
2105 ospf6_routemap_rule_set_metric(void *rule
, const struct prefix
*prefix
,
2108 char *metric
= rule
;
2109 struct ospf6_route
*route
= object
;
2111 route
->path
.cost
= atoi(metric
);
2115 static void *ospf6_routemap_rule_set_metric_compile(const char *arg
)
2119 metric
= strtoul(arg
, &endp
, 0);
2120 if (metric
> OSPF_LS_INFINITY
|| *endp
!= '\0')
2122 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED
, arg
);
2125 static void ospf6_routemap_rule_set_metric_free(void *rule
)
2127 XFREE(MTYPE_ROUTE_MAP_COMPILED
, rule
);
2130 static const struct route_map_rule_cmd
2131 ospf6_routemap_rule_set_metric_cmd
= {
2133 ospf6_routemap_rule_set_metric
,
2134 ospf6_routemap_rule_set_metric_compile
,
2135 ospf6_routemap_rule_set_metric_free
,
2138 static enum route_map_cmd_result_t
2139 ospf6_routemap_rule_set_forwarding(void *rule
, const struct prefix
*prefix
,
2142 char *forwarding
= rule
;
2143 struct ospf6_route
*route
= object
;
2144 struct ospf6_external_info
*info
= route
->route_option
;
2146 if (inet_pton(AF_INET6
, forwarding
, &info
->forwarding
) != 1) {
2147 memset(&info
->forwarding
, 0, sizeof(struct in6_addr
));
2154 static void *ospf6_routemap_rule_set_forwarding_compile(const char *arg
)
2157 if (inet_pton(AF_INET6
, arg
, &a
) != 1)
2159 return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED
, arg
);
2162 static void ospf6_routemap_rule_set_forwarding_free(void *rule
)
2164 XFREE(MTYPE_ROUTE_MAP_COMPILED
, rule
);
2167 static const struct route_map_rule_cmd
2168 ospf6_routemap_rule_set_forwarding_cmd
= {
2169 "forwarding-address",
2170 ospf6_routemap_rule_set_forwarding
,
2171 ospf6_routemap_rule_set_forwarding_compile
,
2172 ospf6_routemap_rule_set_forwarding_free
,
2175 static enum route_map_cmd_result_t
2176 ospf6_routemap_rule_set_tag(void *rule
, const struct prefix
*p
, void *object
)
2178 route_tag_t
*tag
= rule
;
2179 struct ospf6_route
*route
= object
;
2180 struct ospf6_external_info
*info
= route
->route_option
;
2186 static const struct route_map_rule_cmd ospf6_routemap_rule_set_tag_cmd
= {
2188 ospf6_routemap_rule_set_tag
,
2189 route_map_rule_tag_compile
,
2190 route_map_rule_tag_free
,
2193 /* add "set metric-type" */
2194 DEFUN_YANG (ospf6_routemap_set_metric_type
, ospf6_routemap_set_metric_type_cmd
,
2195 "set metric-type <type-1|type-2>",
2197 "Type of metric for destination routing protocol\n"
2198 "OSPF[6] external type 1 metric\n"
2199 "OSPF[6] external type 2 metric\n")
2201 char *ext
= argv
[2]->text
;
2204 "./set-action[action='frr-ospf-route-map:metric-type']";
2205 char xpath_value
[XPATH_MAXLEN
];
2207 nb_cli_enqueue_change(vty
, xpath
, NB_OP_CREATE
, NULL
);
2208 snprintf(xpath_value
, sizeof(xpath_value
),
2209 "%s/rmap-set-action/frr-ospf-route-map:metric-type", xpath
);
2210 nb_cli_enqueue_change(vty
, xpath_value
, NB_OP_MODIFY
, ext
);
2211 return nb_cli_apply_changes(vty
, NULL
);
2214 /* delete "set metric-type" */
2215 DEFUN_YANG (ospf6_routemap_no_set_metric_type
, ospf6_routemap_no_set_metric_type_cmd
,
2216 "no set metric-type [<type-1|type-2>]",
2219 "Type of metric for destination routing protocol\n"
2220 "OSPF[6] external type 1 metric\n"
2221 "OSPF[6] external type 2 metric\n")
2224 "./set-action[action='frr-ospf-route-map:metric-type']";
2226 nb_cli_enqueue_change(vty
, xpath
, NB_OP_DESTROY
, NULL
);
2227 return nb_cli_apply_changes(vty
, NULL
);
2230 /* add "set forwarding-address" */
2231 DEFUN_YANG (ospf6_routemap_set_forwarding
, ospf6_routemap_set_forwarding_cmd
,
2232 "set forwarding-address X:X::X:X",
2234 "Forwarding Address\n"
2239 "./set-action[action='frr-ospf6-route-map:forwarding-address']";
2240 char xpath_value
[XPATH_MAXLEN
];
2242 nb_cli_enqueue_change(vty
, xpath
, NB_OP_CREATE
, NULL
);
2243 snprintf(xpath_value
, sizeof(xpath_value
),
2244 "%s/rmap-set-action/frr-ospf6-route-map:ipv6-address", xpath
);
2245 nb_cli_enqueue_change(vty
, xpath_value
, NB_OP_MODIFY
,
2246 argv
[idx_ipv6
]->arg
);
2247 return nb_cli_apply_changes(vty
, NULL
);
2250 /* delete "set forwarding-address" */
2251 DEFUN_YANG (ospf6_routemap_no_set_forwarding
, ospf6_routemap_no_set_forwarding_cmd
,
2252 "no set forwarding-address [X:X::X:X]",
2255 "Forwarding Address\n"
2259 "./set-action[action='frr-ospf6-route-map:forwarding-address']";
2261 nb_cli_enqueue_change(vty
, xpath
, NB_OP_DESTROY
, NULL
);
2262 return nb_cli_apply_changes(vty
, NULL
);
2265 static void ospf6_routemap_init(void)
2269 route_map_add_hook(ospf6_asbr_routemap_update
);
2270 route_map_delete_hook(ospf6_asbr_routemap_update
);
2271 route_map_event_hook(ospf6_asbr_routemap_event
);
2273 route_map_set_metric_hook(generic_set_add
);
2274 route_map_no_set_metric_hook(generic_set_delete
);
2276 route_map_set_tag_hook(generic_set_add
);
2277 route_map_no_set_tag_hook(generic_set_delete
);
2279 route_map_match_tag_hook(generic_match_add
);
2280 route_map_no_match_tag_hook(generic_match_delete
);
2282 route_map_match_ipv6_address_prefix_list_hook(generic_match_add
);
2283 route_map_no_match_ipv6_address_prefix_list_hook(generic_match_delete
);
2285 route_map_match_interface_hook(generic_match_add
);
2286 route_map_no_match_interface_hook(generic_match_delete
);
2288 route_map_install_match(
2289 &ospf6_routemap_rule_match_address_prefixlist_cmd
);
2290 route_map_install_match(&ospf6_routemap_rule_match_interface_cmd
);
2291 route_map_install_match(&ospf6_routemap_rule_match_tag_cmd
);
2293 route_map_install_set(&ospf6_routemap_rule_set_metric_type_cmd
);
2294 route_map_install_set(&ospf6_routemap_rule_set_metric_cmd
);
2295 route_map_install_set(&ospf6_routemap_rule_set_forwarding_cmd
);
2296 route_map_install_set(&ospf6_routemap_rule_set_tag_cmd
);
2298 /* ASE Metric Type (e.g. Type-1/Type-2) */
2299 install_element(RMAP_NODE
, &ospf6_routemap_set_metric_type_cmd
);
2300 install_element(RMAP_NODE
, &ospf6_routemap_no_set_metric_type_cmd
);
2303 install_element(RMAP_NODE
, &ospf6_routemap_set_forwarding_cmd
);
2304 install_element(RMAP_NODE
, &ospf6_routemap_no_set_forwarding_cmd
);
2308 /* Display functions */
2309 static char *ospf6_as_external_lsa_get_prefix_str(struct ospf6_lsa
*lsa
,
2310 char *buf
, int buflen
,
2313 struct ospf6_as_external_lsa
*external
;
2314 struct in6_addr in6
;
2315 int prefix_length
= 0;
2319 external
= (struct ospf6_as_external_lsa
*)OSPF6_LSA_HEADER_END(
2323 ospf6_prefix_in6_addr(&in6
, external
,
2325 prefix_length
= external
->prefix
.prefix_length
;
2327 in6
= *((struct in6_addr
2328 *)((caddr_t
)external
2330 ospf6_as_external_lsa
)
2331 + OSPF6_PREFIX_SPACE(
2336 inet_ntop(AF_INET6
, &in6
, buf
, buflen
);
2337 if (prefix_length
) {
2338 snprintf(tbuf
, sizeof(tbuf
), "/%d",
2340 strlcat(buf
, tbuf
, buflen
);
2347 static int ospf6_as_external_lsa_show(struct vty
*vty
, struct ospf6_lsa
*lsa
,
2348 json_object
*json_obj
, bool use_json
)
2350 struct ospf6_as_external_lsa
*external
;
2353 assert(lsa
->header
);
2354 external
= (struct ospf6_as_external_lsa
*)OSPF6_LSA_HEADER_END(
2358 snprintf(buf
, sizeof(buf
), "%c%c%c",
2359 (CHECK_FLAG(external
->bits_metric
, OSPF6_ASBR_BIT_E
) ? 'E'
2361 (CHECK_FLAG(external
->bits_metric
, OSPF6_ASBR_BIT_F
) ? 'F'
2363 (CHECK_FLAG(external
->bits_metric
, OSPF6_ASBR_BIT_T
) ? 'T'
2367 json_object_string_add(json_obj
, "bits", buf
);
2368 json_object_int_add(json_obj
, "metric",
2369 (unsigned long)OSPF6_ASBR_METRIC(external
));
2370 ospf6_prefix_options_printbuf(external
->prefix
.prefix_options
,
2372 json_object_string_add(json_obj
, "prefixOptions", buf
);
2373 json_object_int_add(
2374 json_obj
, "referenceLsType",
2375 ntohs(external
->prefix
.prefix_refer_lstype
));
2376 json_object_string_add(json_obj
, "prefix",
2377 ospf6_as_external_lsa_get_prefix_str(
2378 lsa
, buf
, sizeof(buf
), 0));
2380 /* Forwarding-Address */
2381 json_object_boolean_add(
2382 json_obj
, "forwardingAddressPresent",
2383 CHECK_FLAG(external
->bits_metric
, OSPF6_ASBR_BIT_F
));
2384 if (CHECK_FLAG(external
->bits_metric
, OSPF6_ASBR_BIT_F
))
2385 json_object_string_add(
2386 json_obj
, "forwardingAddress",
2387 ospf6_as_external_lsa_get_prefix_str(
2388 lsa
, buf
, sizeof(buf
), 1));
2391 json_object_boolean_add(
2392 json_obj
, "tagPresent",
2393 CHECK_FLAG(external
->bits_metric
, OSPF6_ASBR_BIT_T
));
2394 if (CHECK_FLAG(external
->bits_metric
, OSPF6_ASBR_BIT_T
))
2395 json_object_int_add(json_obj
, "tag",
2396 ospf6_as_external_lsa_get_tag(lsa
));
2398 vty_out(vty
, " Bits: %s\n", buf
);
2399 vty_out(vty
, " Metric: %5lu\n",
2400 (unsigned long)OSPF6_ASBR_METRIC(external
));
2402 ospf6_prefix_options_printbuf(external
->prefix
.prefix_options
,
2404 vty_out(vty
, " Prefix Options: %s\n", buf
);
2406 vty_out(vty
, " Referenced LSType: %d\n",
2407 ntohs(external
->prefix
.prefix_refer_lstype
));
2409 vty_out(vty
, " Prefix: %s\n",
2410 ospf6_as_external_lsa_get_prefix_str(lsa
, buf
,
2413 /* Forwarding-Address */
2414 if (CHECK_FLAG(external
->bits_metric
, OSPF6_ASBR_BIT_F
)) {
2415 vty_out(vty
, " Forwarding-Address: %s\n",
2416 ospf6_as_external_lsa_get_prefix_str(
2417 lsa
, buf
, sizeof(buf
), 1));
2421 if (CHECK_FLAG(external
->bits_metric
, OSPF6_ASBR_BIT_T
)) {
2422 vty_out(vty
, " Tag: %" ROUTE_TAG_PRI
"\n",
2423 ospf6_as_external_lsa_get_tag(lsa
));
2430 static void ospf6_asbr_external_route_show(struct vty
*vty
,
2431 struct ospf6_route
*route
,
2432 json_object
*json_array
,
2435 struct ospf6_external_info
*info
= route
->route_option
;
2436 char prefix
[PREFIX2STR_BUFFER
], id
[16], forwarding
[64];
2438 json_object
*json_route
;
2441 prefix2str(&route
->prefix
, prefix
, sizeof(prefix
));
2442 tmp_id
= ntohl(info
->id
);
2443 inet_ntop(AF_INET
, &tmp_id
, id
, sizeof(id
));
2444 if (!IN6_IS_ADDR_UNSPECIFIED(&info
->forwarding
))
2445 inet_ntop(AF_INET6
, &info
->forwarding
, forwarding
,
2446 sizeof(forwarding
));
2448 snprintf(forwarding
, sizeof(forwarding
), ":: (ifindex %d)",
2449 ospf6_route_get_first_nh_index(route
));
2452 json_route
= json_object_new_object();
2453 snprintf(route_type
, sizeof(route_type
), "%c",
2454 zebra_route_char(info
->type
));
2455 json_object_string_add(json_route
, "routeType", route_type
);
2456 json_object_string_add(json_route
, "destination", prefix
);
2457 json_object_string_add(json_route
, "id", id
);
2458 json_object_int_add(json_route
, "metricType",
2459 route
->path
.metric_type
);
2460 json_object_int_add(
2461 json_route
, "routeCost",
2462 (unsigned long)(route
->path
.metric_type
== 2
2463 ? route
->path
.u
.cost_e2
2464 : route
->path
.cost
));
2465 json_object_string_add(json_route
, "forwarding", forwarding
);
2467 json_object_array_add(json_array
, json_route
);
2470 vty_out(vty
, "%c %-32pFX %-15s type-%d %5lu %s\n",
2471 zebra_route_char(info
->type
), &route
->prefix
, id
,
2472 route
->path
.metric_type
,
2473 (unsigned long)(route
->path
.metric_type
== 2
2474 ? route
->path
.u
.cost_e2
2475 : route
->path
.cost
),
2479 DEFUN(show_ipv6_ospf6_redistribute
, show_ipv6_ospf6_redistribute_cmd
,
2480 "show ipv6 ospf6 [vrf <NAME|all>] redistribute [json]",
2481 SHOW_STR IP6_STR OSPF6_STR VRF_CMD_HELP_STR
2483 "redistributing External information\n" JSON_STR
)
2485 struct ospf6_route
*route
;
2486 struct ospf6
*ospf6
= NULL
;
2487 json_object
*json
= NULL
;
2488 bool uj
= use_json(argc
, argv
);
2489 struct listnode
*node
;
2490 const char *vrf_name
= NULL
;
2491 bool all_vrf
= false;
2494 json_object
*json_array_routes
= NULL
;
2495 json_object
*json_array_redistribute
= NULL
;
2497 OSPF6_FIND_VRF_ARGS(argv
, argc
, idx_vrf
, vrf_name
, all_vrf
);
2500 json
= json_object_new_object();
2501 json_array_routes
= json_object_new_array();
2502 json_array_redistribute
= json_object_new_array();
2505 for (ALL_LIST_ELEMENTS_RO(om6
->ospf6
, node
, ospf6
)) {
2507 || ((ospf6
->name
== NULL
&& vrf_name
== NULL
)
2508 || (ospf6
->name
&& vrf_name
2509 && strcmp(ospf6
->name
, vrf_name
) == 0))) {
2510 ospf6_redistribute_show_config(
2511 vty
, ospf6
, json_array_redistribute
, json
, uj
);
2513 for (route
= ospf6_route_head(ospf6
->external_table
);
2514 route
; route
= ospf6_route_next(route
)) {
2515 ospf6_asbr_external_route_show(
2516 vty
, route
, json_array_routes
, uj
);
2520 json_object_object_add(json
, "routes",
2522 vty_json(vty
, json
);
2530 OSPF6_CMD_CHECK_VRF(uj
, all_vrf
, ospf6
);
2535 static struct ospf6_lsa_handler as_external_handler
= {
2536 .lh_type
= OSPF6_LSTYPE_AS_EXTERNAL
,
2537 .lh_name
= "AS-External",
2538 .lh_short_name
= "ASE",
2539 .lh_show
= ospf6_as_external_lsa_show
,
2540 .lh_get_prefix_str
= ospf6_as_external_lsa_get_prefix_str
,
2543 static struct ospf6_lsa_handler nssa_external_handler
= {
2544 .lh_type
= OSPF6_LSTYPE_TYPE_7
,
2546 .lh_short_name
= "Type7",
2547 .lh_show
= ospf6_as_external_lsa_show
,
2548 .lh_get_prefix_str
= ospf6_as_external_lsa_get_prefix_str
,
2551 void ospf6_asbr_init(void)
2553 ospf6_routemap_init();
2555 ospf6_install_lsa_handler(&as_external_handler
);
2556 ospf6_install_lsa_handler(&nssa_external_handler
);
2558 install_element(VIEW_NODE
, &show_ipv6_ospf6_redistribute_cmd
);
2560 install_element(OSPF6_NODE
, &ospf6_default_route_originate_cmd
);
2561 install_element(OSPF6_NODE
,
2562 &no_ospf6_default_information_originate_cmd
);
2563 install_element(OSPF6_NODE
, &ospf6_redistribute_cmd
);
2564 install_element(OSPF6_NODE
, &no_ospf6_redistribute_cmd
);
2567 void ospf6_asbr_redistribute_disable(struct ospf6
*ospf6
)
2570 struct ospf6_redist
*red
;
2572 for (type
= 0; type
< ZEBRA_ROUTE_MAX
; type
++) {
2573 red
= ospf6_redist_lookup(ospf6
, type
, 0);
2576 if (type
== ZEBRA_ROUTE_OSPF6
)
2578 ospf6_asbr_redistribute_unset(ospf6
, red
, type
);
2579 ospf6_redist_del(ospf6
, red
, type
);
2581 red
= ospf6_redist_lookup(ospf6
, DEFAULT_ROUTE
, 0);
2583 ospf6_asbr_routemap_unset(red
);
2584 ospf6_redist_del(ospf6
, red
, type
);
2585 ospf6_redistribute_default_set(ospf6
, DEFAULT_ORIGINATE_NONE
);
2589 void ospf6_asbr_redistribute_reset(struct ospf6
*ospf6
)
2592 struct ospf6_redist
*red
;
2593 char buf
[RMAP_NAME_MAXLEN
];
2595 for (type
= 0; type
<= ZEBRA_ROUTE_MAX
; type
++) {
2597 if (type
== ZEBRA_ROUTE_OSPF6
)
2599 red
= ospf6_redist_lookup(ospf6
, type
, 0);
2603 if (type
== DEFAULT_ROUTE
) {
2604 ospf6_redistribute_default_set(
2605 ospf6
, ospf6
->default_originate
);
2608 if (ROUTEMAP_NAME(red
))
2609 strlcpy(buf
, ROUTEMAP_NAME(red
), sizeof(buf
));
2611 ospf6_asbr_redistribute_unset(ospf6
, red
, type
);
2613 ospf6_asbr_routemap_set(red
, buf
);
2614 ospf6_asbr_redistribute_set(ospf6
, type
);
2618 void ospf6_asbr_terminate(void)
2620 /* Cleanup route maps */
2624 DEFUN (debug_ospf6_asbr
,
2625 debug_ospf6_asbr_cmd
,
2629 "Debug OSPFv3 ASBR function\n"
2632 OSPF6_DEBUG_ASBR_ON();
2636 DEFUN (no_debug_ospf6_asbr
,
2637 no_debug_ospf6_asbr_cmd
,
2638 "no debug ospf6 asbr",
2642 "Debug OSPFv3 ASBR function\n"
2645 OSPF6_DEBUG_ASBR_OFF();
2649 int config_write_ospf6_debug_asbr(struct vty
*vty
)
2651 if (IS_OSPF6_DEBUG_ASBR
)
2652 vty_out(vty
, "debug ospf6 asbr\n");
2656 static void ospf6_default_originate_write(struct vty
*vty
, struct ospf6
*o
)
2658 struct ospf6_redist
*red
;
2660 vty_out(vty
, " default-information originate");
2661 if (o
->default_originate
== DEFAULT_ORIGINATE_ALWAYS
)
2662 vty_out(vty
, " always");
2664 red
= ospf6_redist_lookup(o
, DEFAULT_ROUTE
, 0);
2670 if (red
->dmetric
.value
>= 0)
2671 vty_out(vty
, " metric %d", red
->dmetric
.value
);
2673 if (red
->dmetric
.type
>= 0)
2674 vty_out(vty
, " metric-type %d", red
->dmetric
.type
);
2676 if (ROUTEMAP_NAME(red
))
2677 vty_out(vty
, " route-map %s", ROUTEMAP_NAME(red
));
2682 int ospf6_distribute_config_write(struct vty
*vty
, struct ospf6
*o
)
2687 /* Print default originate configuration. */
2688 if (o
->default_originate
!= DEFAULT_ORIGINATE_NONE
)
2689 ospf6_default_originate_write(vty
, o
);
2694 void install_element_ospf6_debug_asbr(void)
2696 install_element(ENABLE_NODE
, &debug_ospf6_asbr_cmd
);
2697 install_element(ENABLE_NODE
, &no_debug_ospf6_asbr_cmd
);
2698 install_element(CONFIG_NODE
, &debug_ospf6_asbr_cmd
);
2699 install_element(CONFIG_NODE
, &no_debug_ospf6_asbr_cmd
);
2702 /* ASBR Summarisation */
2703 void ospf6_fill_aggr_route_details(struct ospf6
*ospf6
,
2704 struct ospf6_external_aggr_rt
*aggr
)
2706 struct ospf6_route
*rt_aggr
= aggr
->route
;
2707 struct ospf6_external_info
*ei_aggr
= rt_aggr
->route_option
;
2709 rt_aggr
->prefix
= aggr
->p
;
2710 ei_aggr
->tag
= aggr
->tag
;
2712 ei_aggr
->id
= aggr
->id
;
2714 /* When metric is not configured, apply the default metric */
2715 rt_aggr
->path
.cost
= ((aggr
->metric
== -1) ?
2716 DEFAULT_DEFAULT_METRIC
2717 : (unsigned int)(aggr
->metric
));
2718 rt_aggr
->path
.metric_type
= aggr
->mtype
;
2720 rt_aggr
->path
.origin
.id
= htonl(aggr
->id
);
2724 ospf6_summary_add_aggr_route_and_blackhole(struct ospf6
*ospf6
,
2725 struct ospf6_external_aggr_rt
*aggr
)
2727 struct ospf6_route
*rt_aggr
;
2728 struct ospf6_route
*old_rt
= NULL
;
2729 struct ospf6_external_info
*info
;
2731 /* Check if a route is already present. */
2733 old_rt
= aggr
->route
;
2735 /* Create summary route and save it. */
2736 rt_aggr
= ospf6_route_create(ospf6
);
2737 rt_aggr
->type
= OSPF6_DEST_TYPE_NETWORK
;
2738 /* Needed to install route while calling zebra api */
2739 SET_FLAG(rt_aggr
->flag
, OSPF6_ROUTE_BEST
);
2741 info
= XCALLOC(MTYPE_OSPF6_EXTERNAL_INFO
, sizeof(*info
));
2742 rt_aggr
->route_option
= info
;
2743 aggr
->route
= rt_aggr
;
2745 /* Prepare the external_info for aggregator
2746 * Fill all the details which will get advertised
2748 ospf6_fill_aggr_route_details(ospf6
, aggr
);
2750 /* Add next-hop to Null interface. */
2751 ospf6_add_route_nexthop_blackhole(rt_aggr
);
2753 /* Free the old route, if any. */
2755 ospf6_zebra_route_update_remove(old_rt
, ospf6
);
2757 if (old_rt
->route_option
)
2758 XFREE(MTYPE_OSPF6_EXTERNAL_INFO
, old_rt
->route_option
);
2760 ospf6_route_delete(old_rt
);
2763 ospf6_zebra_route_update_add(rt_aggr
, ospf6
);
2766 static void ospf6_originate_new_aggr_lsa(struct ospf6
*ospf6
,
2767 struct ospf6_external_aggr_rt
*aggr
)
2769 struct prefix prefix_id
;
2770 struct ospf6_lsa
*lsa
= NULL
;
2772 if (IS_OSPF6_DEBUG_AGGR
)
2773 zlog_debug("%s: Originate new aggregate route(%pFX)", __func__
,
2776 aggr
->id
= ospf6
->external_id
++;
2778 if (IS_OSPF6_DEBUG_AGGR
)
2780 "Advertise AS-External Id:%pI4 prefix %pFX metric %u",
2781 &prefix_id
.u
.prefix4
, &aggr
->p
, aggr
->metric
);
2783 ospf6_summary_add_aggr_route_and_blackhole(ospf6
, aggr
);
2785 /* Originate summary LSA */
2786 lsa
= ospf6_originate_type5_type7_lsas(aggr
->route
, ospf6
);
2788 if (IS_OSPF6_DEBUG_AGGR
)
2789 zlog_debug("%s: Set the origination bit for aggregator",
2791 SET_FLAG(aggr
->aggrflags
, OSPF6_EXTERNAL_AGGRT_ORIGINATED
);
2796 ospf6_aggr_handle_advertise_change(struct ospf6
*ospf6
,
2797 struct ospf6_external_aggr_rt
*aggr
)
2799 /* Check if advertise option modified. */
2800 if (CHECK_FLAG(aggr
->aggrflags
, OSPF6_EXTERNAL_AGGRT_NO_ADVERTISE
)) {
2801 if (IS_OSPF6_DEBUG_AGGR
)
2802 zlog_debug("%s: Don't originate the summary address,It is configured to not-advertise.",
2804 ospf6_asbr_summary_remove_lsa_and_route(ospf6
, aggr
);
2809 /* There are no routes present under this aggregation config, hence
2810 * nothing to originate here
2812 if (OSPF6_EXTERNAL_RT_COUNT(aggr
) == 0) {
2813 if (IS_OSPF6_DEBUG_AGGR
)
2814 zlog_debug("%s: No routes present under this aggregation",
2819 if (!CHECK_FLAG(aggr
->aggrflags
, OSPF6_EXTERNAL_AGGRT_ORIGINATED
)) {
2820 if (IS_OSPF6_DEBUG_AGGR
)
2821 zlog_debug("%s: Now it is advertisable",
2824 ospf6_originate_new_aggr_lsa(ospf6
, aggr
);
2831 ospf6_originate_summary_lsa(struct ospf6
*ospf6
,
2832 struct ospf6_external_aggr_rt
*aggr
,
2833 struct ospf6_route
*rt
)
2835 struct ospf6_lsa
*lsa
= NULL
, *aggr_lsa
= NULL
;
2836 struct ospf6_external_info
*info
= NULL
;
2837 struct ospf6_external_aggr_rt
*old_aggr
;
2838 struct ospf6_as_external_lsa
*external
;
2839 struct ospf6_route
*rt_aggr
= NULL
;
2840 route_tag_t tag
= 0;
2841 unsigned int metric
= 0;
2844 if (IS_OSPF6_DEBUG_AGGR
)
2845 zlog_debug("%s: Prepare to originate Summary route(%pFX)",
2846 __func__
, &aggr
->p
);
2848 /* This case to handle when the overlapping aggregator address
2849 * is available. Best match will be considered.So need to delink
2850 * from old aggregator and link to the new aggr.
2852 if (rt
->aggr_route
) {
2853 if (rt
->aggr_route
!= aggr
) {
2854 old_aggr
= rt
->aggr_route
;
2855 ospf6_unlink_route_from_aggr(ospf6
, old_aggr
, rt
);
2859 /* Add the external route to hash table */
2860 ospf6_link_route_to_aggr(aggr
, rt
);
2862 /* The key for ID field is a running number and not prefix */
2863 info
= rt
->route_option
;
2866 lsa
= ospf6_lsdb_lookup(htons(OSPF6_LSTYPE_AS_EXTERNAL
),
2867 htonl(info
->id
), ospf6
->router_id
,
2870 aggr_lsa
= ospf6_lsdb_lookup(htons(OSPF6_LSTYPE_AS_EXTERNAL
),
2871 htonl(aggr
->id
), ospf6
->router_id
, ospf6
->lsdb
);
2873 if (IS_OSPF6_DEBUG_AGGR
)
2874 zlog_debug("%s: Aggr LSA ID: %d flags %x.",
2875 __func__
, aggr
->id
, aggr
->aggrflags
);
2876 /* Don't originate external LSA,
2877 * If it is configured not to advertise.
2879 if (CHECK_FLAG(aggr
->aggrflags
, OSPF6_EXTERNAL_AGGRT_NO_ADVERTISE
)) {
2880 /* If it is already originated as external LSA,
2881 * But, it is configured not to advertise then
2882 * flush the originated external lsa.
2885 if (IS_OSPF6_DEBUG_AGGR
)
2886 zlog_debug("%s: Purge the external LSA %s.",
2887 __func__
, lsa
->name
);
2888 ospf6_external_lsa_purge(ospf6
, lsa
);
2890 rt
->path
.origin
.id
= 0;
2894 if (IS_OSPF6_DEBUG_AGGR
)
2895 zlog_debug("%s: Purge the aggr external LSA %s.",
2896 __func__
, lsa
->name
);
2897 ospf6_asbr_summary_remove_lsa_and_route(ospf6
, aggr
);
2900 UNSET_FLAG(aggr
->aggrflags
, OSPF6_EXTERNAL_AGGRT_ORIGINATED
);
2902 if (IS_OSPF6_DEBUG_AGGR
)
2903 zlog_debug("%s: Don't originate the summary address,It is configured to not-advertise.",
2908 /* Summary route already originated,
2911 if (CHECK_FLAG(aggr
->aggrflags
, OSPF6_EXTERNAL_AGGRT_ORIGINATED
)) {
2914 "%s: Could not refresh/originate %pFX",
2917 /* Remove the assert later */
2922 external
= (struct ospf6_as_external_lsa
*)OSPF6_LSA_HEADER_END
2924 metric
= (unsigned long)OSPF6_ASBR_METRIC(external
);
2925 tag
= ospf6_as_external_lsa_get_tag(aggr_lsa
);
2926 mtype
= CHECK_FLAG(external
->bits_metric
,
2927 OSPF6_ASBR_BIT_E
) ? 2 : 1;
2929 /* Prepare the external_info for aggregator */
2930 ospf6_fill_aggr_route_details(ospf6
, aggr
);
2931 rt_aggr
= aggr
->route
;
2932 /* If tag/metric/metric-type modified , then re-originate the
2933 * route with modified tag/metric/metric-type details.
2935 if ((tag
!= aggr
->tag
)
2936 || (metric
!= (unsigned int)rt_aggr
->path
.cost
)
2937 || (mtype
!= aggr
->mtype
)) {
2939 if (IS_OSPF6_DEBUG_AGGR
)
2941 "%s: Routetag(old:%d new:%d)/Metric(o:%u,n:%u)/mtype(o:%d n:%d) modified,So refresh the summary route.(%pFX)",
2942 __func__
, tag
, aggr
->tag
,
2948 aggr_lsa
= ospf6_originate_type5_type7_lsas(aggr
->route
,
2951 SET_FLAG(aggr
->aggrflags
,
2952 OSPF6_EXTERNAL_AGGRT_ORIGINATED
);
2958 /* If the external route prefix same as aggregate route
2959 * and if external route is already originated as TYPE-5
2960 * then just update the aggr info and remove the route info
2962 if (lsa
&& prefix_same(&aggr
->p
, &rt
->prefix
)) {
2963 if (IS_OSPF6_DEBUG_AGGR
)
2965 "%s: Route prefix is same as aggr so no need to re-originate LSA(%pFX)",
2966 __PRETTY_FUNCTION__
, &aggr
->p
);
2968 aggr
->id
= info
->id
;
2970 rt
->path
.origin
.id
= 0;
2972 ospf6_summary_add_aggr_route_and_blackhole(ospf6
, aggr
);
2974 SET_FLAG(aggr
->aggrflags
, OSPF6_EXTERNAL_AGGRT_ORIGINATED
);
2979 ospf6_originate_new_aggr_lsa(ospf6
, aggr
);
2982 static void ospf6_aggr_handle_external_info(void *data
)
2984 struct ospf6_route
*rt
= (struct ospf6_route
*)data
;
2985 struct ospf6_external_aggr_rt
*aggr
= NULL
;
2986 struct ospf6_lsa
*lsa
= NULL
;
2987 struct ospf6_external_info
*info
;
2988 struct ospf6
*ospf6
= NULL
;
2990 rt
->aggr_route
= NULL
;
2992 rt
->to_be_processed
= true;
2994 if (IS_OSPF6_DEBUG_ASBR
|| IS_OSPF6_DEBUG_ORIGINATE(AS_EXTERNAL
))
2995 zlog_debug("%s: Handle external route for origination/refresh (%pFX)",
3002 aggr
= ospf6_external_aggr_match(ospf6
,
3005 ospf6_originate_summary_lsa(ospf6
, aggr
, rt
);
3009 info
= rt
->route_option
;
3011 lsa
= ospf6_lsdb_lookup(htons(OSPF6_LSTYPE_AS_EXTERNAL
),
3012 htonl(info
->id
), ospf6
->router_id
,
3015 if (IS_OSPF6_DEBUG_AGGR
)
3016 zlog_debug("%s: LSA found, refresh it",
3018 THREAD_OFF(lsa
->refresh
);
3019 thread_add_event(master
, ospf6_lsa_refresh
, lsa
, 0,
3025 info
->id
= ospf6
->external_id
++;
3026 rt
->path
.origin
.id
= htonl(info
->id
);
3028 (void)ospf6_originate_type5_type7_lsas(rt
, ospf6
);
3031 void ospf6_asbr_summary_config_delete(struct ospf6
*ospf6
,
3032 struct route_node
*rn
)
3034 struct ospf6_external_aggr_rt
*aggr
= rn
->info
;
3036 if (IS_OSPF6_DEBUG_AGGR
)
3037 zlog_debug("%s: Deleting Aggregate route (%pFX)",
3041 ospf6_asbr_summary_remove_lsa_and_route(ospf6
, aggr
);
3044 route_unlock_node(rn
);
3048 ospf6_handle_external_aggr_modify(struct ospf6
*ospf6
,
3049 struct ospf6_external_aggr_rt
*aggr
)
3051 struct ospf6_lsa
*lsa
= NULL
;
3052 struct ospf6_as_external_lsa
*asel
= NULL
;
3053 struct ospf6_route
*rt_aggr
;
3054 unsigned int metric
= 0;
3055 route_tag_t tag
= 0;
3058 lsa
= ospf6_lsdb_lookup(
3059 htons(OSPF6_LSTYPE_AS_EXTERNAL
),
3060 htonl(aggr
->id
), ospf6
->router_id
,
3064 "%s: Could not refresh/originate %pFX",
3068 return OSPF6_FAILURE
;
3071 asel
= (struct ospf6_as_external_lsa
*)
3072 OSPF6_LSA_HEADER_END(lsa
->header
);
3073 metric
= (unsigned long)OSPF6_ASBR_METRIC(asel
);
3074 tag
= ospf6_as_external_lsa_get_tag(lsa
);
3075 mtype
= CHECK_FLAG(asel
->bits_metric
,
3076 OSPF6_ASBR_BIT_E
) ? 2 : 1;
3078 /* Fill all the details for advertisement */
3079 ospf6_fill_aggr_route_details(ospf6
, aggr
);
3080 rt_aggr
= aggr
->route
;
3081 /* If tag/metric/metric-type modified , then
3082 * re-originate the route with modified
3083 * tag/metric/metric-type details.
3085 if ((tag
!= aggr
->tag
)
3087 != (unsigned int)rt_aggr
->path
.cost
)
3090 if (IS_OSPF6_DEBUG_AGGR
)
3092 "%s: Changed tag(old:%d new:%d)/metric(o:%u n:%d)/mtype(o:%d n:%d),So refresh the summary route.(%pFX)",
3096 (unsigned int)rt_aggr
->path
.cost
,
3100 (void)ospf6_originate_type5_type7_lsas(
3105 return OSPF6_SUCCESS
;
3108 static void ospf6_handle_external_aggr_update(struct ospf6
*ospf6
)
3110 struct route_node
*rn
= NULL
;
3113 if (IS_OSPF6_DEBUG_AGGR
)
3114 zlog_debug("%s: Process modified aggregators.", __func__
);
3116 for (rn
= route_top(ospf6
->rt_aggr_tbl
); rn
; rn
= route_next(rn
)) {
3117 struct ospf6_external_aggr_rt
*aggr
;
3124 if (aggr
->action
== OSPF6_ROUTE_AGGR_DEL
) {
3125 aggr
->action
= OSPF6_ROUTE_AGGR_NONE
;
3126 ospf6_asbr_summary_config_delete(ospf6
, rn
);
3128 if (OSPF6_EXTERNAL_RT_COUNT(aggr
))
3129 hash_clean(aggr
->match_extnl_hash
,
3130 ospf6_aggr_handle_external_info
);
3132 hash_free(aggr
->match_extnl_hash
);
3133 XFREE(MTYPE_OSPF6_EXTERNAL_RT_AGGR
, aggr
);
3135 } else if (aggr
->action
== OSPF6_ROUTE_AGGR_MODIFY
) {
3137 aggr
->action
= OSPF6_ROUTE_AGGR_NONE
;
3139 /* Check if tag/metric/metric-type modified */
3140 if (CHECK_FLAG(aggr
->aggrflags
,
3141 OSPF6_EXTERNAL_AGGRT_ORIGINATED
)
3142 && !CHECK_FLAG(aggr
->aggrflags
,
3143 OSPF6_EXTERNAL_AGGRT_NO_ADVERTISE
)) {
3145 ret
= ospf6_handle_external_aggr_modify(ospf6
,
3147 if (ret
== OSPF6_FAILURE
)
3151 /* Advertise option modified ?
3152 * If so, handled it here.
3154 ospf6_aggr_handle_advertise_change(ospf6
, aggr
);
3159 static void ospf6_aggr_unlink_external_info(void *data
)
3161 struct ospf6_route
*rt
= (struct ospf6_route
*)data
;
3163 rt
->aggr_route
= NULL
;
3165 rt
->to_be_processed
= true;
3168 void ospf6_external_aggregator_free(struct ospf6_external_aggr_rt
*aggr
)
3170 if (OSPF6_EXTERNAL_RT_COUNT(aggr
))
3171 hash_clean(aggr
->match_extnl_hash
,
3172 ospf6_aggr_unlink_external_info
);
3174 if (IS_OSPF6_DEBUG_AGGR
)
3175 zlog_debug("%s: Release the aggregator Address(%pFX)",
3179 hash_free(aggr
->match_extnl_hash
);
3180 aggr
->match_extnl_hash
= NULL
;
3182 XFREE(MTYPE_OSPF6_EXTERNAL_RT_AGGR
, aggr
);
3186 ospf6_delete_all_marked_aggregators(struct ospf6
*ospf6
)
3188 struct route_node
*rn
= NULL
;
3189 struct ospf6_external_aggr_rt
*aggr
;
3191 /* Loop through all the aggregators, Delete all aggregators
3192 * which are marked as DELETE. Set action to NONE for remaining
3195 for (rn
= route_top(ospf6
->rt_aggr_tbl
); rn
; rn
= route_next(rn
)) {
3201 if (aggr
->action
!= OSPF6_ROUTE_AGGR_DEL
) {
3202 aggr
->action
= OSPF6_ROUTE_AGGR_NONE
;
3205 ospf6_asbr_summary_config_delete(ospf6
, rn
);
3206 ospf6_external_aggregator_free(aggr
);
3210 static void ospf6_handle_exnl_rt_after_aggr_del(struct ospf6
*ospf6
,
3211 struct ospf6_route
*rt
)
3213 struct ospf6_lsa
*lsa
;
3215 /* Process only marked external routes.
3216 * These routes were part of a deleted
3217 * aggregator.So, originate now.
3219 if (!rt
->to_be_processed
)
3222 rt
->to_be_processed
= false;
3224 lsa
= ospf6_find_external_lsa(ospf6
, &rt
->prefix
);
3227 THREAD_OFF(lsa
->refresh
);
3228 thread_add_event(master
, ospf6_lsa_refresh
, lsa
, 0,
3231 if (IS_OSPF6_DEBUG_AGGR
)
3232 zlog_debug("%s: Originate external route(%pFX)",
3236 (void)ospf6_originate_type5_type7_lsas(rt
, ospf6
);
3240 static void ospf6_handle_aggregated_exnl_rt(struct ospf6
*ospf6
,
3241 struct ospf6_external_aggr_rt
*aggr
,
3242 struct ospf6_route
*rt
)
3244 struct ospf6_lsa
*lsa
;
3245 struct ospf6_as_external_lsa
*ext_lsa
;
3246 struct ospf6_external_info
*info
;
3248 /* Handling the case where the external route prefix
3249 * and aggegate prefix is same
3250 * If same don't flush the originated external LSA.
3252 if (prefix_same(&aggr
->p
, &rt
->prefix
)) {
3253 if (IS_OSPF6_DEBUG_AGGR
)
3254 zlog_debug("%s: External Route prefix same as Aggregator(%pFX), so don't flush.",
3261 info
= rt
->route_option
;
3264 lsa
= ospf6_lsdb_lookup(htons(OSPF6_LSTYPE_AS_EXTERNAL
),
3265 htonl(info
->id
), ospf6
->router_id
, ospf6
->lsdb
);
3267 ext_lsa
= (struct ospf6_as_external_lsa
3268 *)((char *)(lsa
->header
)
3269 + sizeof(struct ospf6_lsa_header
));
3271 if (rt
->prefix
.prefixlen
!= ext_lsa
->prefix
.prefix_length
)
3274 ospf6_external_lsa_purge(ospf6
, lsa
);
3276 /* Resetting the ID of route */
3277 rt
->path
.origin
.id
= 0;
3283 ospf6_handle_external_aggr_add(struct ospf6
*ospf6
)
3285 struct ospf6_route
*rt
= NULL
;
3286 struct ospf6_external_info
*ei
= NULL
;
3287 struct ospf6_external_aggr_rt
*aggr
;
3289 /* Delete all the aggregators which are marked as
3290 * OSPF6_ROUTE_AGGR_DEL.
3292 ospf6_delete_all_marked_aggregators(ospf6
);
3294 for (rt
= ospf6_route_head(ospf6
->external_table
); rt
;
3295 rt
= ospf6_route_next(rt
)) {
3296 ei
= rt
->route_option
;
3300 if (is_default_prefix(&rt
->prefix
))
3303 aggr
= ospf6_external_aggr_match(ospf6
,
3306 /* If matching aggregator found, Add
3307 * the external route refrenace to the
3308 * aggregator and originate the aggr
3309 * route if it is advertisable.
3310 * flush the external LSA if it is
3311 * already originated for this external
3315 ospf6_originate_summary_lsa(ospf6
, aggr
, rt
);
3317 /* All aggregated external rts
3320 ospf6_handle_aggregated_exnl_rt(
3325 /* External routes which are only out
3326 * of aggregation will be handled here.
3328 ospf6_handle_exnl_rt_after_aggr_del(
3333 static void ospf6_asbr_summary_process(struct thread
*thread
)
3335 struct ospf6
*ospf6
= THREAD_ARG(thread
);
3338 operation
= ospf6
->aggr_action
;
3340 if (IS_OSPF6_DEBUG_AGGR
)
3341 zlog_debug("%s: operation:%d",
3345 switch (operation
) {
3346 case OSPF6_ROUTE_AGGR_ADD
:
3347 ospf6_handle_external_aggr_add(ospf6
);
3349 case OSPF6_ROUTE_AGGR_DEL
:
3350 case OSPF6_ROUTE_AGGR_MODIFY
:
3351 ospf6_handle_external_aggr_update(ospf6
);
3359 ospf6_start_asbr_summary_delay_timer(struct ospf6
*ospf6
,
3360 struct ospf6_external_aggr_rt
*aggr
,
3361 ospf6_aggr_action_t operation
)
3363 aggr
->action
= operation
;
3365 if (thread_is_scheduled(ospf6
->t_external_aggr
)) {
3366 if (ospf6
->aggr_action
== OSPF6_ROUTE_AGGR_ADD
) {
3368 if (IS_OSPF6_DEBUG_AGGR
)
3369 zlog_debug("%s: Not required to restart timer,set is already added.",
3374 if (operation
== OSPF6_ROUTE_AGGR_ADD
) {
3375 if (IS_OSPF6_DEBUG_AGGR
)
3376 zlog_debug("%s, Restarting Aggregator delay timer.",
3378 THREAD_OFF(ospf6
->t_external_aggr
);
3382 if (IS_OSPF6_DEBUG_AGGR
)
3383 zlog_debug("%s: Start Aggregator delay timer %u(in seconds).",
3384 __func__
, ospf6
->aggr_delay_interval
);
3386 ospf6
->aggr_action
= operation
;
3387 thread_add_timer(master
,
3388 ospf6_asbr_summary_process
,
3389 ospf6
, ospf6
->aggr_delay_interval
,
3390 &ospf6
->t_external_aggr
);
3393 int ospf6_asbr_external_rt_advertise(struct ospf6
*ospf6
,
3396 struct route_node
*rn
;
3397 struct ospf6_external_aggr_rt
*aggr
;
3399 rn
= route_node_lookup(ospf6
->rt_aggr_tbl
, p
);
3401 return OSPF6_INVALID
;
3405 route_unlock_node(rn
);
3407 if (!CHECK_FLAG(aggr
->aggrflags
, OSPF6_EXTERNAL_AGGRT_NO_ADVERTISE
))
3408 return OSPF6_INVALID
;
3410 UNSET_FLAG(aggr
->aggrflags
, OSPF6_EXTERNAL_AGGRT_NO_ADVERTISE
);
3412 if (!OSPF6_EXTERNAL_RT_COUNT(aggr
))
3413 return OSPF6_SUCCESS
;
3415 ospf6_start_asbr_summary_delay_timer(ospf6
, aggr
,
3416 OSPF6_ROUTE_AGGR_MODIFY
);
3418 return OSPF6_SUCCESS
;
3421 int ospf6_external_aggr_delay_timer_set(struct ospf6
*ospf6
, uint16_t interval
)
3423 ospf6
->aggr_delay_interval
= interval
;
3425 return OSPF6_SUCCESS
;
3428 static unsigned int ospf6_external_rt_hash_key(const void *data
)
3430 const struct ospf6_route
*rt
= data
;
3431 unsigned int key
= 0;
3433 key
= prefix_hash_key(&rt
->prefix
);
3437 static bool ospf6_external_rt_hash_cmp(const void *d1
, const void *d2
)
3439 const struct ospf6_route
*rt1
= d1
;
3440 const struct ospf6_route
*rt2
= d2
;
3442 return prefix_same(&rt1
->prefix
, &rt2
->prefix
);
3445 static struct ospf6_external_aggr_rt
*
3446 ospf6_external_aggr_new(struct prefix
*p
)
3448 struct ospf6_external_aggr_rt
*aggr
;
3450 aggr
= XCALLOC(MTYPE_OSPF6_EXTERNAL_RT_AGGR
,
3451 sizeof(struct ospf6_external_aggr_rt
));
3453 prefix_copy(&aggr
->p
, p
);
3455 aggr
->mtype
= DEFAULT_METRIC_TYPE
;
3456 aggr
->match_extnl_hash
= hash_create(ospf6_external_rt_hash_key
,
3457 ospf6_external_rt_hash_cmp
,
3458 "Ospf6 external route hash");
3462 static void ospf6_external_aggr_add(struct ospf6
*ospf6
,
3463 struct ospf6_external_aggr_rt
*aggr
)
3465 struct route_node
*rn
;
3467 if (IS_OSPF6_DEBUG_AGGR
)
3468 zlog_debug("%s: Adding Aggregate route to Aggr table (%pFX)",
3472 rn
= route_node_get(ospf6
->rt_aggr_tbl
, &aggr
->p
);
3474 route_unlock_node(rn
);
3479 int ospf6_asbr_external_rt_no_advertise(struct ospf6
*ospf6
,
3482 struct ospf6_external_aggr_rt
*aggr
;
3483 route_tag_t tag
= 0;
3485 aggr
= ospf6_external_aggr_config_lookup(ospf6
, p
);
3487 if (CHECK_FLAG(aggr
->aggrflags
,
3488 OSPF6_EXTERNAL_AGGRT_NO_ADVERTISE
))
3489 return OSPF6_SUCCESS
;
3491 SET_FLAG(aggr
->aggrflags
, OSPF6_EXTERNAL_AGGRT_NO_ADVERTISE
);
3496 if (!OSPF6_EXTERNAL_RT_COUNT(aggr
))
3497 return OSPF6_SUCCESS
;
3499 ospf6_start_asbr_summary_delay_timer(ospf6
, aggr
,
3500 OSPF6_ROUTE_AGGR_MODIFY
);
3502 aggr
= ospf6_external_aggr_new(p
);
3505 return OSPF6_FAILURE
;
3507 SET_FLAG(aggr
->aggrflags
, OSPF6_EXTERNAL_AGGRT_NO_ADVERTISE
);
3508 ospf6_external_aggr_add(ospf6
, aggr
);
3509 ospf6_start_asbr_summary_delay_timer(ospf6
, aggr
,
3510 OSPF6_ROUTE_AGGR_ADD
);
3513 return OSPF6_SUCCESS
;
3516 struct ospf6_external_aggr_rt
*
3517 ospf6_external_aggr_config_lookup(struct ospf6
*ospf6
, struct prefix
*p
)
3519 struct route_node
*rn
;
3521 rn
= route_node_lookup(ospf6
->rt_aggr_tbl
, p
);
3523 route_unlock_node(rn
);
3531 int ospf6_external_aggr_config_set(struct ospf6
*ospf6
, struct prefix
*p
,
3532 route_tag_t tag
, int metric
, int mtype
)
3534 struct ospf6_external_aggr_rt
*aggregator
;
3536 aggregator
= ospf6_external_aggr_config_lookup(ospf6
, p
);
3539 if (CHECK_FLAG(aggregator
->aggrflags
,
3540 OSPF6_EXTERNAL_AGGRT_NO_ADVERTISE
))
3541 UNSET_FLAG(aggregator
->aggrflags
,
3542 OSPF6_EXTERNAL_AGGRT_NO_ADVERTISE
);
3543 else if ((aggregator
->tag
== tag
)
3544 && (aggregator
->metric
== metric
)
3545 && (aggregator
->mtype
== mtype
))
3546 return OSPF6_SUCCESS
;
3548 aggregator
->tag
= tag
;
3549 aggregator
->metric
= metric
;
3550 aggregator
->mtype
= mtype
;
3552 ospf6_start_asbr_summary_delay_timer(ospf6
, aggregator
,
3553 OSPF6_ROUTE_AGGR_MODIFY
);
3555 aggregator
= ospf6_external_aggr_new(p
);
3557 return OSPF6_FAILURE
;
3559 aggregator
->tag
= tag
;
3560 aggregator
->metric
= metric
;
3561 aggregator
->mtype
= mtype
;
3563 ospf6_external_aggr_add(ospf6
, aggregator
);
3564 ospf6_start_asbr_summary_delay_timer(ospf6
, aggregator
,
3565 OSPF6_ROUTE_AGGR_ADD
);
3568 return OSPF6_SUCCESS
;
3571 int ospf6_external_aggr_config_unset(struct ospf6
*ospf6
,
3574 struct route_node
*rn
;
3575 struct ospf6_external_aggr_rt
*aggr
;
3577 rn
= route_node_lookup(ospf6
->rt_aggr_tbl
, p
);
3579 return OSPF6_INVALID
;
3583 route_unlock_node(rn
);
3585 if (!OSPF6_EXTERNAL_RT_COUNT(aggr
)) {
3586 ospf6_asbr_summary_config_delete(ospf6
, rn
);
3587 ospf6_external_aggregator_free(aggr
);
3588 return OSPF6_SUCCESS
;
3591 ospf6_start_asbr_summary_delay_timer(ospf6
, aggr
,
3592 OSPF6_ROUTE_AGGR_DEL
);
3594 return OSPF6_SUCCESS
;
3597 void ospf6_handle_external_lsa_origination(struct ospf6
*ospf6
,
3598 struct ospf6_route
*rt
,
3602 struct ospf6_external_aggr_rt
*aggr
;
3603 struct ospf6_external_info
*info
;
3604 struct prefix prefix_id
;
3606 if (!is_default_prefix(p
)) {
3607 aggr
= ospf6_external_aggr_match(ospf6
,
3612 if (IS_OSPF6_DEBUG_AGGR
)
3613 zlog_debug("%s: Send Aggregate LSA (%pFX)",
3617 ospf6_originate_summary_lsa(
3620 /* Handling the case where the
3621 * external route prefix
3622 * and aggegate prefix is same
3623 * If same don't flush the
3627 ospf6_handle_aggregated_exnl_rt(
3633 info
= rt
->route_option
;
3635 /* When the info->id = 0, it means it is being originated for the
3639 info
->id
= ospf6
->external_id
++;
3641 prefix_id
.family
= AF_INET
;
3642 prefix_id
.prefixlen
= 32;
3643 prefix_id
.u
.prefix4
.s_addr
= htonl(info
->id
);
3646 rt
->path
.origin
.id
= htonl(info
->id
);
3648 if (IS_OSPF6_DEBUG_ASBR
) {
3649 zlog_debug("Advertise new AS-External Id:%pI4 prefix %pFX metric %u",
3650 &prefix_id
.u
.prefix4
, p
, rt
->path
.metric_type
);
3653 ospf6_originate_type5_type7_lsas(rt
, ospf6
);
3657 void ospf6_unset_all_aggr_flag(struct ospf6
*ospf6
)
3659 struct route_node
*rn
= NULL
;
3660 struct ospf6_external_aggr_rt
*aggr
;
3662 if (IS_OSPF6_DEBUG_AGGR
)
3663 zlog_debug("Unset the origination bit for all aggregator");
3665 /* Resetting the running external ID counter so that the origination
3666 * of external LSAs starts from the beginning 0.0.0.1
3668 ospf6
->external_id
= OSPF6_EXT_INIT_LS_ID
;
3670 for (rn
= route_top(ospf6
->rt_aggr_tbl
); rn
; rn
= route_next(rn
)) {
3676 UNSET_FLAG(aggr
->aggrflags
, OSPF6_EXTERNAL_AGGRT_ORIGINATED
);