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2005-05-06 Paul Jakma <paul.jakma@sun.com>
[mirror_frr.git] / ospfd / ospfd.h
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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
26#include "filter.h"
343f5cc7 27#include "log.h"
718e3744 28
29#define OSPF_VERSION 2
30
31/* Default protocol, port number. */
32#ifndef IPPROTO_OSPFIGP
33#define IPPROTO_OSPFIGP 89
34#endif /* IPPROTO_OSPFIGP */
35
68980084 36/* IP precedence. */
37#ifndef IPTOS_PREC_INTERNETCONTROL
38#define IPTOS_PREC_INTERNETCONTROL 0xC0
39#endif /* IPTOS_PREC_INTERNETCONTROL */
40
718e3744 41/* VTY port number. */
42#define OSPF_VTY_PORT 2604
718e3744 43
44/* IP TTL for OSPF protocol. */
45#define OSPF_IP_TTL 1
46#define OSPF_VL_IP_TTL 100
47
48/* Default configuration file name for ospfd. */
49#define OSPF_DEFAULT_CONFIG "ospfd.conf"
50
51/* Architectual Constants */
52#ifdef DEBUG
53#define OSPF_LS_REFRESH_TIME 60
54#else
55#define OSPF_LS_REFRESH_TIME 1800
56#endif
57#define OSPF_MIN_LS_INTERVAL 5
58#define OSPF_MIN_LS_ARRIVAL 1
59#define OSPF_LSA_MAXAGE 3600
60#define OSPF_CHECK_AGE 300
61#define OSPF_LSA_MAXAGE_DIFF 900
62#define OSPF_LS_INFINITY 0xffffff
63#define OSPF_DEFAULT_DESTINATION 0x00000000 /* 0.0.0.0 */
64#define OSPF_INITIAL_SEQUENCE_NUMBER 0x80000001
65#define OSPF_MAX_SEQUENCE_NUMBER 0x7fffffff
66
67#define OSPF_LSA_MAXAGE_CHECK_INTERVAL 30
464c8204 68#define OSPF_NSSA_TRANS_STABLE_DEFAULT 40
718e3744 69
70#define OSPF_ALLSPFROUTERS 0xe0000005 /* 224.0.0.5 */
71#define OSPF_ALLDROUTERS 0xe0000006 /* 224.0.0.6 */
72
beebba75 73/* XXX Where is this used? And why it was used only if compiled with
74 * NSSA support. */
718e3744 75#define OSPF_LOOPer 0x7f000000 /* 127.0.0.0 */
718e3744 76
77#define OSPF_AREA_BACKBONE 0x00000000 /* 0.0.0.0 */
78
79/* OSPF Authentication Type. */
80#define OSPF_AUTH_NULL 0
81#define OSPF_AUTH_SIMPLE 1
82#define OSPF_AUTH_CRYPTOGRAPHIC 2
83/* For Interface authentication setting default */
84#define OSPF_AUTH_NOTSET -1
85/* For the consumption and sanity of the command handler */
86/* DO NIOT REMOVE!!! Need to detect whether a value has
87 been given or not in VLink command handlers */
88#define OSPF_AUTH_CMD_NOTSEEN -2
89
90/* OSPF SPF timer values. */
800d6155 91#define OSPF_SPF_DELAY_DEFAULT 1
92#define OSPF_SPF_HOLDTIME_DEFAULT 1
718e3744 93
94/* OSPF interface default values. */
95#define OSPF_OUTPUT_COST_DEFAULT 10
96#define OSPF_ROUTER_DEAD_INTERVAL_DEFAULT 40
97#define OSPF_HELLO_INTERVAL_DEFAULT 10
98#define OSPF_ROUTER_PRIORITY_DEFAULT 1
99#define OSPF_RETRANSMIT_INTERVAL_DEFAULT 5
100#define OSPF_TRANSMIT_DELAY_DEFAULT 1
101#define OSPF_DEFAULT_BANDWIDTH 10000 /* Kbps */
102
103#define OSPF_DEFAULT_REF_BANDWIDTH 100000 /* Kbps */
104
105#define OSPF_POLL_INTERVAL_DEFAULT 60
106#define OSPF_NEIGHBOR_PRIORITY_DEFAULT 0
107
108/* OSPF options. */
109#define OSPF_OPTION_T 0x01 /* TOS. */
110#define OSPF_OPTION_E 0x02
111#define OSPF_OPTION_MC 0x04
112#define OSPF_OPTION_NP 0x08
113#define OSPF_OPTION_EA 0x10
114#define OSPF_OPTION_DC 0x20
115#define OSPF_OPTION_O 0x40
116
117/* OSPF Database Description flags. */
118#define OSPF_DD_FLAG_MS 0x01
119#define OSPF_DD_FLAG_M 0x02
120#define OSPF_DD_FLAG_I 0x04
121#define OSPF_DD_FLAG_ALL 0x07
122
123/* Timer value. */
124#define OSPF_ROUTER_ID_UPDATE_DELAY 1
125
126#define OSPF_LS_REFRESH_SHIFT (60 * 15)
127#define OSPF_LS_REFRESH_JITTER 60
128
020709f9 129/* OSPF master for system wide configuration and variables. */
130struct ospf_master
131{
132 /* OSPF instance. */
133 struct list *ospf;
134
135 /* OSPF thread master. */
136 struct thread_master *master;
137
138 /* Zebra interface list. */
139 struct list *iflist;
140
141 /* Redistributed external information. */
142 struct route_table *external_info[ZEBRA_ROUTE_MAX + 1];
143#define EXTERNAL_INFO(T) om->external_info[T]
144
145 /* OSPF start time. */
146 time_t start_time;
147
148 /* Various OSPF global configuration. */
149 u_char options;
150};
151
718e3744 152/* OSPF instance structure. */
153struct ospf
154{
155 /* OSPF Router ID. */
156 struct in_addr router_id; /* Configured automatically. */
157 struct in_addr router_id_static; /* Configured manually. */
158
159 /* ABR/ASBR internal flags. */
160 u_char flags;
161#define OSPF_FLAG_ABR 0x0001
162#define OSPF_FLAG_ASBR 0x0002
163
164 /* ABR type. */
165 u_char abr_type;
166#define OSPF_ABR_UNKNOWN 0
167#define OSPF_ABR_STAND 1
168#define OSPF_ABR_IBM 2
169#define OSPF_ABR_CISCO 3
170#define OSPF_ABR_SHORTCUT 4
171
172 /* NSSA ABR */
173 u_char anyNSSA; /* Bump for every NSSA attached. */
174
175 /* Configured variables. */
176 u_char config;
177#define OSPF_RFC1583_COMPATIBLE (1 << 0)
178#define OSPF_OPAQUE_CAPABLE (1 << 2)
179
180#ifdef HAVE_OPAQUE_LSA
181 /* Opaque-LSA administrative flags. */
182 u_char opaque;
183#define OPAQUE_OPERATION_READY_BIT (1 << 0)
184#define OPAQUE_BLOCK_TYPE_09_LSA_BIT (1 << 1)
185#define OPAQUE_BLOCK_TYPE_10_LSA_BIT (1 << 2)
186#define OPAQUE_BLOCK_TYPE_11_LSA_BIT (1 << 3)
187#endif /* HAVE_OPAQUE_LSA */
188
189 int spf_delay; /* SPF delay time. */
190 int spf_holdtime; /* SPF hold time. */
191 int default_originate; /* Default information originate. */
192#define DEFAULT_ORIGINATE_NONE 0
193#define DEFAULT_ORIGINATE_ZEBRA 1
194#define DEFAULT_ORIGINATE_ALWAYS 2
195 u_int32_t ref_bandwidth; /* Reference Bandwidth (Kbps). */
196 struct route_table *networks; /* OSPF config networks. */
52dc7ee6 197 struct list *vlinks; /* Configured Virtual-Links. */
198 struct list *areas; /* OSPF areas. */
718e3744 199 struct route_table *nbr_nbma;
200 struct ospf_area *backbone; /* Pointer to the Backbone Area. */
201
52dc7ee6 202 struct list *oiflist; /* ospf interfaces */
718e3744 203
204 /* LSDB of AS-external-LSAs. */
205 struct ospf_lsdb *lsdb;
206
718e3744 207 /* Flags. */
208 int external_origin; /* AS-external-LSA origin flag. */
209 int ase_calc; /* ASE calculation flag. */
210
211#ifdef HAVE_OPAQUE_LSA
52dc7ee6 212 struct list *opaque_lsa_self; /* Type-11 Opaque-LSAs */
718e3744 213#endif /* HAVE_OPAQUE_LSA */
214
215 /* Routing tables. */
216 struct route_table *old_table; /* Old routing table. */
217 struct route_table *new_table; /* Current routing table. */
218
219 struct route_table *old_rtrs; /* Old ABR/ASBR RT. */
220 struct route_table *new_rtrs; /* New ABR/ASBR RT. */
221
222 struct route_table *new_external_route; /* New External Route. */
223 struct route_table *old_external_route; /* Old External Route. */
224
225 struct route_table *external_lsas; /* Database of external LSAs,
226 prefix is LSA's adv. network*/
227
228 /* Time stamps. */
229 time_t ts_spf; /* SPF calculation time stamp. */
230
52dc7ee6 231 struct list *maxage_lsa; /* List of MaxAge LSA for deletion. */
718e3744 232 int redistribute; /* Num of redistributed protocols. */
233
234 /* Threads. */
235 struct thread *t_router_id_update; /* Router ID update timer. */
236 struct thread *t_router_lsa_update; /* router-LSA update timer. */
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. */
243#ifdef HAVE_OPAQUE_LSA
244 struct thread *t_opaque_lsa_self; /* Type-11 Opaque-LSAs origin event. */
245#endif /* HAVE_OPAQUE_LSA */
246 struct thread *t_maxage; /* MaxAge LSA remover timer. */
247 struct thread *t_maxage_walker; /* MaxAge LSA checking timer. */
248
249 struct thread *t_write;
250 struct thread *t_read;
251 int fd;
5c33349b 252 struct stream *ibuf;
52dc7ee6 253 struct list *oi_write_q;
718e3744 254
255 /* Distribute lists out of other route sources. */
256 struct
257 {
258 char *name;
259 struct access_list *list;
260 } dlist[ZEBRA_ROUTE_MAX];
020709f9 261#define DISTRIBUTE_NAME(O,T) (O)->dlist[T].name
262#define DISTRIBUTE_LIST(O,T) (O)->dlist[T].list
718e3744 263
264 /* Redistribute metric info. */
265 struct
266 {
267 int type; /* External metric type (E1 or E2). */
268 int value; /* Value for static metric (24-bit).
269 -1 means metric value is not set. */
270 } dmetric [ZEBRA_ROUTE_MAX + 1];
271
272 /* For redistribute route map. */
273 struct
274 {
275 char *name;
276 struct route_map *map;
277 } route_map [ZEBRA_ROUTE_MAX + 1]; /* +1 is for default-information */
020709f9 278#define ROUTEMAP_NAME(O,T) (O)->route_map[T].name
279#define ROUTEMAP(O,T) (O)->route_map[T].map
718e3744 280
281 int default_metric; /* Default metric for redistribute. */
282
283#define OSPF_LSA_REFRESHER_GRANULARITY 10
284#define OSPF_LSA_REFRESHER_SLOTS ((OSPF_LS_REFRESH_TIME + \
285 OSPF_LS_REFRESH_SHIFT)/10 + 1)
286 struct
287 {
288 u_int16_t index;
52dc7ee6 289 struct list *qs[OSPF_LSA_REFRESHER_SLOTS];
718e3744 290 } lsa_refresh_queue;
291
292 struct thread *t_lsa_refresher;
293 time_t lsa_refresher_started;
294#define OSPF_LSA_REFRESH_INTERVAL_DEFAULT 10
295 u_int16_t lsa_refresh_interval;
296
297 /* Distance parameter. */
298 u_char distance_all;
299 u_char distance_intra;
300 u_char distance_inter;
301 u_char distance_external;
302
303 /* Statistics for LSA origination. */
304 u_int32_t lsa_originate_count;
305
306 /* Statistics for LSA used for new instantiation. */
307 u_int32_t rx_lsa_count;
308
309 struct route_table *distance_table;
310};
311
312/* OSPF area structure. */
313struct ospf_area
314{
315 /* OSPF instance. */
68980084 316 struct ospf *ospf;
718e3744 317
318 /* Zebra interface list belonging to the area. */
52dc7ee6 319 struct list *oiflist;
718e3744 320
321 /* Area ID. */
322 struct in_addr area_id;
323
324 /* Area ID format. */
325 char format;
326#define OSPF_AREA_ID_FORMAT_ADDRESS 1
327#define OSPF_AREA_ID_FORMAT_DECIMAL 2
328
329 /* Address range. */
52dc7ee6 330 struct list *address_range;
718e3744 331
332 /* Configured variables. */
333 int external_routing; /* ExternalRoutingCapability. */
334#define OSPF_AREA_DEFAULT 0
335#define OSPF_AREA_STUB 1
336#define OSPF_AREA_NSSA 2
337#define OSPF_AREA_TYPE_MAX 3
338 int no_summary; /* Don't inject summaries into stub.*/
339 int shortcut_configured; /* Area configured as shortcut. */
340#define OSPF_SHORTCUT_DEFAULT 0
341#define OSPF_SHORTCUT_ENABLE 1
342#define OSPF_SHORTCUT_DISABLE 2
343 int shortcut_capability; /* Other ABRs agree on S-bit */
344 u_int32_t default_cost; /* StubDefaultCost. */
345 int auth_type; /* Authentication type. */
346
464c8204 347 u_char NSSATranslatorRole; /* NSSA configured role */
718e3744 348#define OSPF_NSSA_ROLE_NEVER 0
d4a53d58 349#define OSPF_NSSA_ROLE_CANDIDATE 1
350#define OSPF_NSSA_ROLE_ALWAYS 2
464c8204 351 u_char NSSATranslatorState; /* NSSA operational role */
d4a53d58 352#define OSPF_NSSA_TRANSLATE_DISABLED 0
353#define OSPF_NSSA_TRANSLATE_ENABLED 1
464c8204 354 int NSSATranslatorStabilityInterval;
355
718e3744 356 u_char transit; /* TransitCapability. */
357#define OSPF_TRANSIT_FALSE 0
358#define OSPF_TRANSIT_TRUE 1
359 struct route_table *ranges; /* Configured Area Ranges. */
360
361 /* Area related LSDBs[Type1-4]. */
362 struct ospf_lsdb *lsdb;
363
364 /* Self-originated LSAs. */
365 struct ospf_lsa *router_lsa_self;
366#ifdef HAVE_OPAQUE_LSA
52dc7ee6 367 struct list *opaque_lsa_self; /* Type-10 Opaque-LSAs */
718e3744 368#endif /* HAVE_OPAQUE_LSA */
369
370 /* Area announce list. */
371 struct
372 {
373 char *name;
374 struct access_list *list;
375 } export;
376#define EXPORT_NAME(A) (A)->export.name
377#define EXPORT_LIST(A) (A)->export.list
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. */
409 struct thread *t_router_lsa_self;/* Self-originated router-LSA timer. */
410#ifdef HAVE_OPAQUE_LSA
411 struct thread *t_opaque_lsa_self; /* Type-10 Opaque-LSAs origin. */
412#endif /* HAVE_OPAQUE_LSA */
413
414 /* Statistics field. */
415 u_int32_t spf_calculation; /* SPF Calculation Count. */
416
417 /* Router count. */
418 u_int32_t abr_count; /* ABR router in this area. */
419 u_int32_t asbr_count; /* ASBR router in this area. */
420
421 /* Counters. */
422 u_int32_t act_ints; /* Active interfaces. */
423 u_int32_t full_nbrs; /* Fully adjacent neighbors. */
424 u_int32_t full_vls; /* Fully adjacent virtual neighbors. */
425};
426
427/* OSPF config network structure. */
428struct ospf_network
429{
430 /* Area ID. */
431 struct in_addr area_id;
432 int format;
433};
434
435/* OSPF NBMA neighbor structure. */
436struct ospf_nbr_nbma
437{
438 /* Neighbor IP address. */
439 struct in_addr addr;
440
441 /* OSPF interface. */
442 struct ospf_interface *oi;
443
444 /* OSPF neighbor structure. */
445 struct ospf_neighbor *nbr;
446
447 /* Neighbor priority. */
448 u_char priority;
449
450 /* Poll timer value. */
451 u_int32_t v_poll;
452
453 /* Poll timer thread. */
454 struct thread *t_poll;
455
456 /* State change. */
457 u_int32_t state_change;
458};
459
460/* Macro. */
461#define OSPF_AREA_SAME(X,Y) \
462 (memcmp ((X->area_id), (Y->area_id), IPV4_MAX_BYTELEN) == 0)
463
020709f9 464#define IS_OSPF_ABR(O) ((O)->flags & OSPF_FLAG_ABR)
465#define IS_OSPF_ASBR(O) ((O)->flags & OSPF_FLAG_ASBR)
718e3744 466
467#define OSPF_IS_AREA_ID_BACKBONE(I) ((I).s_addr == OSPF_AREA_BACKBONE)
468#define OSPF_IS_AREA_BACKBONE(A) OSPF_IS_AREA_ID_BACKBONE ((A)->area_id)
469
470#ifdef roundup
471# define ROUNDUP(val, gran) roundup(val, gran)
472#else /* roundup */
473# define ROUNDUP(val, gran) (((val) - 1 | (gran) - 1) + 1)
474#endif /* roundup */
475
476#define LSA_OPTIONS_GET(area) \
477 (((area)->external_routing == OSPF_AREA_DEFAULT) ? OSPF_OPTION_E : 0)
d4a53d58 478#define LSA_OPTIONS_NSSA_GET(area) \
479 (((area)->external_routing == OSPF_AREA_NSSA) ? OSPF_OPTION_NP : 0)
718e3744 480
481#define OSPF_TIMER_ON(T,F,V) \
482 do { \
483 if (!(T)) \
68980084 484 (T) = thread_add_timer (master, (F), ospf, (V)); \
718e3744 485 } while (0)
486
487#define OSPF_AREA_TIMER_ON(T,F,V) \
488 do { \
489 if (!(T)) \
490 (T) = thread_add_timer (master, (F), area, (V)); \
491 } while (0)
492
493#define OSPF_POLL_TIMER_ON(T,F,V) \
494 do { \
495 if (!(T)) \
496 (T) = thread_add_timer (master, (F), nbr_nbma, (V)); \
497 } while (0)
498
499#define OSPF_POLL_TIMER_OFF(X) OSPF_TIMER_OFF((X))
500
501#define OSPF_TIMER_OFF(X) \
502 do { \
503 if (X) \
504 { \
505 thread_cancel (X); \
506 (X) = NULL; \
507 } \
508 } while (0)
509
020709f9 510/* Extern variables. */
511extern struct ospf_master *om;
718e3744 512extern struct message ospf_ism_state_msg[];
513extern struct message ospf_nsm_state_msg[];
514extern struct message ospf_lsa_type_msg[];
515extern struct message ospf_link_state_id_type_msg[];
516extern struct message ospf_redistributed_proto[];
517extern struct message ospf_network_type_msg[];
518extern int ospf_ism_state_msg_max;
519extern int ospf_nsm_state_msg_max;
520extern int ospf_lsa_type_msg_max;
521extern int ospf_link_state_id_type_msg_max;
522extern int ospf_redistributed_proto_max;
523extern int ospf_network_type_msg_max;
524extern struct zclient *zclient;
525extern struct thread_master *master;
718e3744 526extern int ospf_zlog;
527
528/* Prototypes. */
4dadc291 529extern struct ospf *ospf_lookup (void);
530extern struct ospf *ospf_get (void);
531extern void ospf_finish (struct ospf *);
532extern int ospf_router_id_update_timer (struct thread *);
533extern void ospf_router_id_update (struct ospf *ospf);
534extern int ospf_network_match_iface (struct connected *, struct prefix *);
535extern int ospf_network_set (struct ospf *, struct prefix_ipv4 *,
536 struct in_addr);
537extern int ospf_network_unset (struct ospf *, struct prefix_ipv4 *,
538 struct in_addr);
539extern int ospf_area_stub_set (struct ospf *, struct in_addr);
540extern int ospf_area_stub_unset (struct ospf *, struct in_addr);
541extern int ospf_area_no_summary_set (struct ospf *, struct in_addr);
542extern int ospf_area_no_summary_unset (struct ospf *, struct in_addr);
543extern int ospf_area_nssa_set (struct ospf *, struct in_addr);
544extern int ospf_area_nssa_unset (struct ospf *, struct in_addr);
545extern int ospf_area_nssa_translator_role_set (struct ospf *, struct in_addr,
546 int);
547extern int ospf_area_export_list_set (struct ospf *, struct ospf_area *,
548 const char *);
549extern int ospf_area_export_list_unset (struct ospf *, struct ospf_area *);
550extern int ospf_area_import_list_set (struct ospf *, struct ospf_area *,
551 const char *);
552extern int ospf_area_import_list_unset (struct ospf *, struct ospf_area *);
553extern int ospf_area_shortcut_set (struct ospf *, struct ospf_area *, int);
554extern int ospf_area_shortcut_unset (struct ospf *, struct ospf_area *);
555extern int ospf_timers_spf_set (struct ospf *, u_int32_t, u_int32_t);
556extern int ospf_timers_spf_unset (struct ospf *);
557extern int ospf_timers_refresh_set (struct ospf *, int);
558extern int ospf_timers_refresh_unset (struct ospf *);
559extern int ospf_nbr_nbma_set (struct ospf *, struct in_addr);
560extern int ospf_nbr_nbma_unset (struct ospf *, struct in_addr);
561extern int ospf_nbr_nbma_priority_set (struct ospf *, struct in_addr, u_char);
562extern int ospf_nbr_nbma_priority_unset (struct ospf *, struct in_addr);
563extern int ospf_nbr_nbma_poll_interval_set (struct ospf *, struct in_addr,
564 unsigned int);
565extern int ospf_nbr_nbma_poll_interval_unset (struct ospf *, struct in_addr);
566extern void ospf_prefix_list_update (struct prefix_list *);
567extern void ospf_init (void);
568extern void ospf_if_update (struct ospf *);
569extern void ospf_ls_upd_queue_empty (struct ospf_interface *);
570extern void ospf_terminate (void);
571extern void ospf_nbr_nbma_if_update (struct ospf *, struct ospf_interface *);
572extern struct ospf_nbr_nbma *ospf_nbr_nbma_lookup (struct ospf *,
573 struct in_addr);
574extern struct ospf_nbr_nbma *ospf_nbr_nbma_lookup_next (struct ospf *,
575 struct in_addr *,
576 int);
577extern int ospf_oi_count (struct interface *);
578
579extern struct ospf_area *ospf_area_get (struct ospf *, struct in_addr, int);
580extern void ospf_area_check_free (struct ospf *, struct in_addr);
581extern struct ospf_area *ospf_area_lookup_by_area_id (struct ospf *,
582 struct in_addr);
583extern void ospf_area_add_if (struct ospf_area *, struct ospf_interface *);
584extern void ospf_area_del_if (struct ospf_area *, struct ospf_interface *);
585
586extern void ospf_route_map_init (void);
587extern void ospf_snmp_init (void);
588
589extern void ospf_master_init (void);
020709f9 590
718e3744 591#endif /* _ZEBRA_OSPFD_H */
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