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718e3744 1/*
2 * OSPFd main header.
3 * Copyright (C) 1998, 99, 2000 Kunihiro Ishiguro, Toshiaki Takada
4 *
5 * This file is part of GNU Zebra.
6 *
7 * GNU Zebra is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2, or (at your option) any
10 * later version.
11 *
12 * GNU Zebra is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Zebra; see the file COPYING. If not, write to the Free
19 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
20 * 02111-1307, USA.
21 */
22
23#ifndef _ZEBRA_OSPFD_H
24#define _ZEBRA_OSPFD_H
25
c514adc6 26#include <zebra.h>
ae19c240 27#include "qobj.h"
8551e6da 28#include "libospf.h"
c514adc6 29
718e3744 30#include "filter.h"
343f5cc7 31#include "log.h"
718e3744 32
4a1ab8e4
DL
33#include "ospf_memory.h"
34
718e3744 35#define OSPF_VERSION 2
36
718e3744 37/* VTY port number. */
38#define OSPF_VTY_PORT 2604
718e3744 39
40/* IP TTL for OSPF protocol. */
41#define OSPF_IP_TTL 1
42#define OSPF_VL_IP_TTL 100
43
44/* Default configuration file name for ospfd. */
45#define OSPF_DEFAULT_CONFIG "ospfd.conf"
46
464c8204 47#define OSPF_NSSA_TRANS_STABLE_DEFAULT 40
718e3744 48
49#define OSPF_ALLSPFROUTERS 0xe0000005 /* 224.0.0.5 */
50#define OSPF_ALLDROUTERS 0xe0000006 /* 224.0.0.6 */
51
718e3744 52
53/* OSPF Authentication Type. */
54#define OSPF_AUTH_NULL 0
55#define OSPF_AUTH_SIMPLE 1
56#define OSPF_AUTH_CRYPTOGRAPHIC 2
57/* For Interface authentication setting default */
58#define OSPF_AUTH_NOTSET -1
59/* For the consumption and sanity of the command handler */
60/* DO NIOT REMOVE!!! Need to detect whether a value has
61 been given or not in VLink command handlers */
62#define OSPF_AUTH_CMD_NOTSEEN -2
63
718e3744 64/* OSPF options. */
16f1b9ee 65#define OSPF_OPTION_MT 0x01 /* M/T */
718e3744 66#define OSPF_OPTION_E 0x02
67#define OSPF_OPTION_MC 0x04
68#define OSPF_OPTION_NP 0x08
69#define OSPF_OPTION_EA 0x10
70#define OSPF_OPTION_DC 0x20
71#define OSPF_OPTION_O 0x40
16f1b9ee 72#define OSPF_OPTION_DN 0x80
718e3744 73
74/* OSPF Database Description flags. */
75#define OSPF_DD_FLAG_MS 0x01
76#define OSPF_DD_FLAG_M 0x02
77#define OSPF_DD_FLAG_I 0x04
78#define OSPF_DD_FLAG_ALL 0x07
79
718e3744 80#define OSPF_LS_REFRESH_SHIFT (60 * 15)
81#define OSPF_LS_REFRESH_JITTER 60
82
7c8ff89e
DS
83struct ospf_external
84{
85 u_short instance;
86 struct route_table *external_info;
87};
88
020709f9 89/* OSPF master for system wide configuration and variables. */
90struct ospf_master
91{
92 /* OSPF instance. */
93 struct list *ospf;
94
95 /* OSPF thread master. */
96 struct thread_master *master;
97
98 /* Zebra interface list. */
99 struct list *iflist;
100
101 /* Redistributed external information. */
7c8ff89e
DS
102 struct list *external[ZEBRA_ROUTE_MAX + 1];
103#define EXTERNAL_INFO(E) (E->external_info)
020709f9 104
020709f9 105 /* Various OSPF global configuration. */
106 u_char options;
c9c93d50 107#define OSPF_MASTER_SHUTDOWN (1 << 0) /* deferred-shutdown */
020709f9 108};
109
7c8ff89e
DS
110struct ospf_redist
111{
112 u_short instance;
113
114 /* Redistribute metric info. */
115 struct
116 {
117 int type; /* External metric type (E1 or E2). */
118 int value; /* Value for static metric (24-bit).
119 -1 means metric value is not set. */
120 } dmetric;
121
122 /* For redistribute route map. */
123 struct
124 {
125 char *name;
126 struct route_map *map;
127 } route_map; /* +1 is for default-information */
128#define ROUTEMAP_NAME(R) (R->route_map.name)
129#define ROUTEMAP(R) (R->route_map.map)
130};
131
718e3744 132/* OSPF instance structure. */
133struct ospf
134{
0bad4851
DS
135 /* OSPF's running state based on the '[no] router ospf [<instance>]' config. */
136 u_char oi_running;
137
7c8ff89e
DS
138 /* OSPF instance ID */
139 u_short instance;
140
718e3744 141 /* OSPF Router ID. */
142 struct in_addr router_id; /* Configured automatically. */
143 struct in_addr router_id_static; /* Configured manually. */
144
145 /* ABR/ASBR internal flags. */
146 u_char flags;
147#define OSPF_FLAG_ABR 0x0001
148#define OSPF_FLAG_ASBR 0x0002
149
150 /* ABR type. */
151 u_char abr_type;
152#define OSPF_ABR_UNKNOWN 0
153#define OSPF_ABR_STAND 1
154#define OSPF_ABR_IBM 2
155#define OSPF_ABR_CISCO 3
156#define OSPF_ABR_SHORTCUT 4
d57834f6 157#define OSPF_ABR_DEFAULT OSPF_ABR_CISCO
718e3744 158
159 /* NSSA ABR */
160 u_char anyNSSA; /* Bump for every NSSA attached. */
161
162 /* Configured variables. */
163 u_char config;
164#define OSPF_RFC1583_COMPATIBLE (1 << 0)
165#define OSPF_OPAQUE_CAPABLE (1 << 2)
d7e60dd7
AS
166#define OSPF_LOG_ADJACENCY_CHANGES (1 << 3)
167#define OSPF_LOG_ADJACENCY_DETAIL (1 << 4)
718e3744 168
718e3744 169 /* Opaque-LSA administrative flags. */
170 u_char opaque;
171#define OPAQUE_OPERATION_READY_BIT (1 << 0)
718e3744 172
88d6cf37 173 /* RFC3137 stub router. Configured time to stay stub / max-metric */
174 unsigned int stub_router_startup_time; /* seconds */
175 unsigned int stub_router_shutdown_time; /* seconds */
176#define OSPF_STUB_ROUTER_UNCONFIGURED 0
4ba4fc85
AB
177 u_char stub_router_admin_set;
178#define OSPF_STUB_ROUTER_ADMINISTRATIVE_SET 1
179#define OSPF_STUB_ROUTER_ADMINISTRATIVE_UNSET 0
88d6cf37 180
b4154c14
JR
181#define OSPF_STUB_MAX_METRIC_SUMMARY_COST 0x00ff0000
182
16e56a14
MR
183 /* LSA timers */
184 unsigned int min_ls_interval; /* minimum delay between LSAs (in msec) */
185 unsigned int min_ls_arrival; /* minimum interarrival time between LSAs (in msec) */
186
88d6cf37 187 /* SPF parameters */
188 unsigned int spf_delay; /* SPF delay time. */
189 unsigned int spf_holdtime; /* SPF hold time. */
190 unsigned int spf_max_holdtime; /* SPF maximum-holdtime */
191 unsigned int spf_hold_multiplier; /* Adaptive multiplier for hold time */
192
718e3744 193 int default_originate; /* Default information originate. */
194#define DEFAULT_ORIGINATE_NONE 0
195#define DEFAULT_ORIGINATE_ZEBRA 1
196#define DEFAULT_ORIGINATE_ALWAYS 2
197 u_int32_t ref_bandwidth; /* Reference Bandwidth (Kbps). */
198 struct route_table *networks; /* OSPF config networks. */
52dc7ee6 199 struct list *vlinks; /* Configured Virtual-Links. */
200 struct list *areas; /* OSPF areas. */
718e3744 201 struct route_table *nbr_nbma;
202 struct ospf_area *backbone; /* Pointer to the Backbone Area. */
203
52dc7ee6 204 struct list *oiflist; /* ospf interfaces */
7ffa8fa2 205 u_char passive_interface_default; /* passive-interface default */
718e3744 206
207 /* LSDB of AS-external-LSAs. */
208 struct ospf_lsdb *lsdb;
209
718e3744 210 /* Flags. */
211 int external_origin; /* AS-external-LSA origin flag. */
212 int ase_calc; /* ASE calculation flag. */
213
52dc7ee6 214 struct list *opaque_lsa_self; /* Type-11 Opaque-LSAs */
718e3744 215
216 /* Routing tables. */
217 struct route_table *old_table; /* Old routing table. */
218 struct route_table *new_table; /* Current routing table. */
219
220 struct route_table *old_rtrs; /* Old ABR/ASBR RT. */
221 struct route_table *new_rtrs; /* New ABR/ASBR RT. */
222
223 struct route_table *new_external_route; /* New External Route. */
224 struct route_table *old_external_route; /* Old External Route. */
225
226 struct route_table *external_lsas; /* Database of external LSAs,
227 prefix is LSA's adv. network*/
228
cf744958 229 /* Time stamps */
d24f6e2a 230 struct timeval ts_spf; /* SPF calculation time stamp. */
cf744958 231 struct timeval ts_spf_duration; /* Execution time of last SPF */
718e3744 232
91e6a0e5 233 struct route_table *maxage_lsa; /* List of MaxAge LSA for deletion. */
718e3744 234 int redistribute; /* Num of redistributed protocols. */
235
236 /* Threads. */
718e3744 237 struct thread *t_abr_task; /* ABR task timer. */
238 struct thread *t_asbr_check; /* ASBR check timer. */
239 struct thread *t_distribute_update; /* Distirbute list update timer. */
240 struct thread *t_spf_calc; /* SPF calculation timer. */
241 struct thread *t_ase_calc; /* ASE calculation timer. */
242 struct thread *t_external_lsa; /* AS-external-LSA origin timer. */
718e3744 243 struct thread *t_opaque_lsa_self; /* Type-11 Opaque-LSAs origin event. */
02d942c9 244
02d942c9 245 unsigned int maxage_delay; /* Delay on Maxage remover timer, sec */
718e3744 246 struct thread *t_maxage; /* MaxAge LSA remover timer. */
247 struct thread *t_maxage_walker; /* MaxAge LSA checking timer. */
02d942c9 248
c9c93d50 249 struct thread *t_deferred_shutdown; /* deferred/stub-router shutdown timer*/
718e3744 250
251 struct thread *t_write;
e8f45e82
DS
252#define OSPF_WRITE_INTERFACE_COUNT_DEFAULT 20
253 int write_oi_count; /* Num of packets sent per thread invocation */
718e3744 254 struct thread *t_read;
255 int fd;
5c33349b 256 struct stream *ibuf;
52dc7ee6 257 struct list *oi_write_q;
718e3744 258
259 /* Distribute lists out of other route sources. */
260 struct
261 {
262 char *name;
263 struct access_list *list;
264 } dlist[ZEBRA_ROUTE_MAX];
020709f9 265#define DISTRIBUTE_NAME(O,T) (O)->dlist[T].name
266#define DISTRIBUTE_LIST(O,T) (O)->dlist[T].list
718e3744 267
7c8ff89e
DS
268 /* OSPF redistribute configuration */
269 struct list *redist[ZEBRA_ROUTE_MAX + 1];
718e3744 270
0d9551dc 271 /* Redistribute tag info. */
dc9ffce8 272 route_tag_t dtag[ZEBRA_ROUTE_MAX + 1]; //Pending: cant configure as of now
0d9551dc 273
718e3744 274 int default_metric; /* Default metric for redistribute. */
275
276#define OSPF_LSA_REFRESHER_GRANULARITY 10
277#define OSPF_LSA_REFRESHER_SLOTS ((OSPF_LS_REFRESH_TIME + \
535c84b1 278 OSPF_LS_REFRESH_SHIFT)/OSPF_LSA_REFRESHER_GRANULARITY + 1)
718e3744 279 struct
280 {
281 u_int16_t index;
52dc7ee6 282 struct list *qs[OSPF_LSA_REFRESHER_SLOTS];
718e3744 283 } lsa_refresh_queue;
284
285 struct thread *t_lsa_refresher;
286 time_t lsa_refresher_started;
287#define OSPF_LSA_REFRESH_INTERVAL_DEFAULT 10
288 u_int16_t lsa_refresh_interval;
289
290 /* Distance parameter. */
291 u_char distance_all;
292 u_char distance_intra;
293 u_char distance_inter;
294 u_char distance_external;
295
296 /* Statistics for LSA origination. */
297 u_int32_t lsa_originate_count;
298
299 /* Statistics for LSA used for new instantiation. */
300 u_int32_t rx_lsa_count;
301
953cde65
JT
302 /* Counter of "ip ospf area x.x.x.x" */
303 u_int32_t if_ospf_cli_count;
304
718e3744 305 struct route_table *distance_table;
ae19c240
DL
306
307 QOBJ_FIELDS
718e3744 308};
ae19c240 309DECLARE_QOBJ_TYPE(ospf)
718e3744 310
311/* OSPF area structure. */
312struct ospf_area
313{
314 /* OSPF instance. */
68980084 315 struct ospf *ospf;
718e3744 316
317 /* Zebra interface list belonging to the area. */
52dc7ee6 318 struct list *oiflist;
718e3744 319
320 /* Area ID. */
321 struct in_addr area_id;
322
323 /* Area ID format. */
324 char format;
325#define OSPF_AREA_ID_FORMAT_ADDRESS 1
326#define OSPF_AREA_ID_FORMAT_DECIMAL 2
327
328 /* Address range. */
52dc7ee6 329 struct list *address_range;
718e3744 330
331 /* Configured variables. */
332 int external_routing; /* ExternalRoutingCapability. */
718e3744 333 int no_summary; /* Don't inject summaries into stub.*/
334 int shortcut_configured; /* Area configured as shortcut. */
335#define OSPF_SHORTCUT_DEFAULT 0
336#define OSPF_SHORTCUT_ENABLE 1
337#define OSPF_SHORTCUT_DISABLE 2
338 int shortcut_capability; /* Other ABRs agree on S-bit */
339 u_int32_t default_cost; /* StubDefaultCost. */
340 int auth_type; /* Authentication type. */
88d6cf37 341
718e3744 342
464c8204 343 u_char NSSATranslatorRole; /* NSSA configured role */
718e3744 344#define OSPF_NSSA_ROLE_NEVER 0
d4a53d58 345#define OSPF_NSSA_ROLE_CANDIDATE 1
346#define OSPF_NSSA_ROLE_ALWAYS 2
464c8204 347 u_char NSSATranslatorState; /* NSSA operational role */
d4a53d58 348#define OSPF_NSSA_TRANSLATE_DISABLED 0
349#define OSPF_NSSA_TRANSLATE_ENABLED 1
464c8204 350 int NSSATranslatorStabilityInterval;
351
718e3744 352 u_char transit; /* TransitCapability. */
353#define OSPF_TRANSIT_FALSE 0
354#define OSPF_TRANSIT_TRUE 1
355 struct route_table *ranges; /* Configured Area Ranges. */
88d6cf37 356
357 /* RFC3137 stub router state flags for area */
358 u_char stub_router_state;
359#define OSPF_AREA_ADMIN_STUB_ROUTED (1 << 0) /* admin stub-router set */
360#define OSPF_AREA_IS_STUB_ROUTED (1 << 1) /* stub-router active */
361#define OSPF_AREA_WAS_START_STUB_ROUTED (1 << 2) /* startup SR was done */
362
718e3744 363 /* Area related LSDBs[Type1-4]. */
364 struct ospf_lsdb *lsdb;
365
366 /* Self-originated LSAs. */
367 struct ospf_lsa *router_lsa_self;
52dc7ee6 368 struct list *opaque_lsa_self; /* Type-10 Opaque-LSAs */
718e3744 369
370 /* Area announce list. */
371 struct
372 {
373 char *name;
374 struct access_list *list;
dea04441
PJ
375 } _export;
376#define EXPORT_NAME(A) (A)->_export.name
377#define EXPORT_LIST(A) (A)->_export.list
718e3744 378
379 /* Area acceptance list. */
380 struct
381 {
382 char *name;
383 struct access_list *list;
384 } import;
385#define IMPORT_NAME(A) (A)->import.name
386#define IMPORT_LIST(A) (A)->import.list
387
388 /* Type 3 LSA Area prefix-list. */
389 struct
390 {
391 char *name;
392 struct prefix_list *list;
393 } plist_in;
394#define PREFIX_LIST_IN(A) (A)->plist_in.list
395#define PREFIX_NAME_IN(A) (A)->plist_in.name
396
397 struct
398 {
399 char *name;
400 struct prefix_list *list;
401 } plist_out;
402#define PREFIX_LIST_OUT(A) (A)->plist_out.list
403#define PREFIX_NAME_OUT(A) (A)->plist_out.name
404
405 /* Shortest Path Tree. */
406 struct vertex *spf;
407
408 /* Threads. */
88d6cf37 409 struct thread *t_stub_router; /* Stub-router timer */
718e3744 410 struct thread *t_opaque_lsa_self; /* Type-10 Opaque-LSAs origin. */
718e3744 411
412 /* Statistics field. */
413 u_int32_t spf_calculation; /* SPF Calculation Count. */
414
cf744958
DS
415 /* Time stamps. */
416 struct timeval ts_spf; /* SPF calculation time stamp. */
417
718e3744 418 /* Router count. */
419 u_int32_t abr_count; /* ABR router in this area. */
420 u_int32_t asbr_count; /* ASBR router in this area. */
421
422 /* Counters. */
423 u_int32_t act_ints; /* Active interfaces. */
424 u_int32_t full_nbrs; /* Fully adjacent neighbors. */
425 u_int32_t full_vls; /* Fully adjacent virtual neighbors. */
426};
427
428/* OSPF config network structure. */
429struct ospf_network
430{
431 /* Area ID. */
432 struct in_addr area_id;
433 int format;
434};
435
436/* OSPF NBMA neighbor structure. */
437struct ospf_nbr_nbma
438{
439 /* Neighbor IP address. */
440 struct in_addr addr;
441
442 /* OSPF interface. */
443 struct ospf_interface *oi;
444
445 /* OSPF neighbor structure. */
446 struct ospf_neighbor *nbr;
447
448 /* Neighbor priority. */
449 u_char priority;
450
451 /* Poll timer value. */
452 u_int32_t v_poll;
453
454 /* Poll timer thread. */
455 struct thread *t_poll;
456
457 /* State change. */
458 u_int32_t state_change;
459};
460
461/* Macro. */
462#define OSPF_AREA_SAME(X,Y) \
463 (memcmp ((X->area_id), (Y->area_id), IPV4_MAX_BYTELEN) == 0)
464
020709f9 465#define IS_OSPF_ABR(O) ((O)->flags & OSPF_FLAG_ABR)
466#define IS_OSPF_ASBR(O) ((O)->flags & OSPF_FLAG_ASBR)
718e3744 467
468#define OSPF_IS_AREA_ID_BACKBONE(I) ((I).s_addr == OSPF_AREA_BACKBONE)
469#define OSPF_IS_AREA_BACKBONE(A) OSPF_IS_AREA_ID_BACKBONE ((A)->area_id)
470
471#ifdef roundup
472# define ROUNDUP(val, gran) roundup(val, gran)
473#else /* roundup */
474# define ROUNDUP(val, gran) (((val) - 1 | (gran) - 1) + 1)
475#endif /* roundup */
476
477#define LSA_OPTIONS_GET(area) \
478 (((area)->external_routing == OSPF_AREA_DEFAULT) ? OSPF_OPTION_E : 0)
d4a53d58 479#define LSA_OPTIONS_NSSA_GET(area) \
480 (((area)->external_routing == OSPF_AREA_NSSA) ? OSPF_OPTION_NP : 0)
718e3744 481
482#define OSPF_TIMER_ON(T,F,V) \
483 do { \
484 if (!(T)) \
68980084 485 (T) = thread_add_timer (master, (F), ospf, (V)); \
718e3744 486 } while (0)
487
488#define OSPF_AREA_TIMER_ON(T,F,V) \
489 do { \
490 if (!(T)) \
491 (T) = thread_add_timer (master, (F), area, (V)); \
492 } while (0)
493
494#define OSPF_POLL_TIMER_ON(T,F,V) \
495 do { \
496 if (!(T)) \
497 (T) = thread_add_timer (master, (F), nbr_nbma, (V)); \
498 } while (0)
499
500#define OSPF_POLL_TIMER_OFF(X) OSPF_TIMER_OFF((X))
501
502#define OSPF_TIMER_OFF(X) \
503 do { \
504 if (X) \
505 { \
506 thread_cancel (X); \
507 (X) = NULL; \
508 } \
509 } while (0)
510
020709f9 511/* Extern variables. */
512extern struct ospf_master *om;
7ba82f70
SH
513extern const struct message ospf_ism_state_msg[];
514extern const struct message ospf_nsm_state_msg[];
515extern const struct message ospf_lsa_type_msg[];
516extern const struct message ospf_link_state_id_type_msg[];
517extern const struct message ospf_network_type_msg[];
518extern const int ospf_ism_state_msg_max;
519extern const int ospf_nsm_state_msg_max;
520extern const int ospf_lsa_type_msg_max;
521extern const int ospf_link_state_id_type_msg_max;
522extern const int ospf_redistributed_proto_max;
523extern const int ospf_network_type_msg_max;
718e3744 524extern struct zclient *zclient;
525extern struct thread_master *master;
718e3744 526extern int ospf_zlog;
527
528/* Prototypes. */
f52d13cb 529extern const char *ospf_redist_string(u_int route_type);
4dadc291 530extern struct ospf *ospf_lookup (void);
7c8ff89e 531extern struct ospf *ospf_lookup_instance (u_short);
4dadc291 532extern struct ospf *ospf_get (void);
7c8ff89e 533extern struct ospf *ospf_get_instance (u_short);
4dadc291 534extern void ospf_finish (struct ospf *);
4dadc291 535extern void ospf_router_id_update (struct ospf *ospf);
4dadc291 536extern int ospf_network_set (struct ospf *, struct prefix_ipv4 *,
537 struct in_addr);
538extern int ospf_network_unset (struct ospf *, struct prefix_ipv4 *,
539 struct in_addr);
540extern int ospf_area_stub_set (struct ospf *, struct in_addr);
541extern int ospf_area_stub_unset (struct ospf *, struct in_addr);
542extern int ospf_area_no_summary_set (struct ospf *, struct in_addr);
543extern int ospf_area_no_summary_unset (struct ospf *, struct in_addr);
544extern int ospf_area_nssa_set (struct ospf *, struct in_addr);
545extern int ospf_area_nssa_unset (struct ospf *, struct in_addr);
546extern int ospf_area_nssa_translator_role_set (struct ospf *, struct in_addr,
547 int);
548extern int ospf_area_export_list_set (struct ospf *, struct ospf_area *,
549 const char *);
550extern int ospf_area_export_list_unset (struct ospf *, struct ospf_area *);
551extern int ospf_area_import_list_set (struct ospf *, struct ospf_area *,
552 const char *);
553extern int ospf_area_import_list_unset (struct ospf *, struct ospf_area *);
554extern int ospf_area_shortcut_set (struct ospf *, struct ospf_area *, int);
555extern int ospf_area_shortcut_unset (struct ospf *, struct ospf_area *);
4dadc291 556extern int ospf_timers_refresh_set (struct ospf *, int);
557extern int ospf_timers_refresh_unset (struct ospf *);
558extern int ospf_nbr_nbma_set (struct ospf *, struct in_addr);
559extern int ospf_nbr_nbma_unset (struct ospf *, struct in_addr);
560extern int ospf_nbr_nbma_priority_set (struct ospf *, struct in_addr, u_char);
561extern int ospf_nbr_nbma_priority_unset (struct ospf *, struct in_addr);
562extern int ospf_nbr_nbma_poll_interval_set (struct ospf *, struct in_addr,
563 unsigned int);
564extern int ospf_nbr_nbma_poll_interval_unset (struct ospf *, struct in_addr);
565extern void ospf_prefix_list_update (struct prefix_list *);
566extern void ospf_init (void);
a49eb30a 567extern void ospf_if_update (struct ospf *, struct interface *);
4dadc291 568extern void ospf_ls_upd_queue_empty (struct ospf_interface *);
569extern void ospf_terminate (void);
570extern void ospf_nbr_nbma_if_update (struct ospf *, struct ospf_interface *);
571extern struct ospf_nbr_nbma *ospf_nbr_nbma_lookup (struct ospf *,
572 struct in_addr);
573extern struct ospf_nbr_nbma *ospf_nbr_nbma_lookup_next (struct ospf *,
574 struct in_addr *,
575 int);
576extern int ospf_oi_count (struct interface *);
577
578extern struct ospf_area *ospf_area_get (struct ospf *, struct in_addr, int);
579extern void ospf_area_check_free (struct ospf *, struct in_addr);
580extern struct ospf_area *ospf_area_lookup_by_area_id (struct ospf *,
581 struct in_addr);
582extern void ospf_area_add_if (struct ospf_area *, struct ospf_interface *);
583extern void ospf_area_del_if (struct ospf_area *, struct ospf_interface *);
584
585extern void ospf_route_map_init (void);
586extern void ospf_snmp_init (void);
587
588extern void ospf_master_init (void);
020709f9 589
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590extern int ospf_interface_set (struct interface *ifp, struct in_addr area_id);
591extern int ospf_interface_unset (struct interface *ifp);
718e3744 592#endif /* _ZEBRA_OSPFD_H */