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 <zebra.h>
27:
28: #include "filter.h"
29: #include "log.h"
30:
31: #define OSPF_VERSION 2
32:
33: /* Default protocol, port number. */
34: #ifndef IPPROTO_OSPFIGP
35: #define IPPROTO_OSPFIGP 89
36: #endif /* IPPROTO_OSPFIGP */
37:
38: /* IP precedence. */
39: #ifndef IPTOS_PREC_INTERNETCONTROL
40: #define IPTOS_PREC_INTERNETCONTROL 0xC0
41: #endif /* IPTOS_PREC_INTERNETCONTROL */
42:
43: /* VTY port number. */
44: #define OSPF_VTY_PORT 2604
45:
46: /* IP TTL for OSPF protocol. */
47: #define OSPF_IP_TTL 1
48: #define OSPF_VL_IP_TTL 100
49:
50: /* Default configuration file name for ospfd. */
51: #define OSPF_DEFAULT_CONFIG "ospfd.conf"
52:
53: /* Architectual Constants */
54: #ifdef DEBUG
55: #define OSPF_LS_REFRESH_TIME 60
56: #else
57: #define OSPF_LS_REFRESH_TIME 1800
58: #endif
59: #define OSPF_MIN_LS_INTERVAL 5
60: #define OSPF_MIN_LS_ARRIVAL 1
61: #define OSPF_LSA_INITIAL_AGE 0 /* useful for debug */
62: #define OSPF_LSA_MAXAGE 3600
63: #define OSPF_CHECK_AGE 300
64: #define OSPF_LSA_MAXAGE_DIFF 900
65: #define OSPF_LS_INFINITY 0xffffff
66: #define OSPF_DEFAULT_DESTINATION 0x00000000 /* 0.0.0.0 */
67: #define OSPF_INITIAL_SEQUENCE_NUMBER 0x80000001
68: #define OSPF_MAX_SEQUENCE_NUMBER 0x7fffffff
69:
70: #define OSPF_NSSA_TRANS_STABLE_DEFAULT 40
71:
72: #define OSPF_ALLSPFROUTERS 0xe0000005 /* 224.0.0.5 */
73: #define OSPF_ALLDROUTERS 0xe0000006 /* 224.0.0.6 */
74:
75: #define OSPF_AREA_BACKBONE 0x00000000 /* 0.0.0.0 */
76:
77: /* OSPF Authentication Type. */
78: #define OSPF_AUTH_NULL 0
79: #define OSPF_AUTH_SIMPLE 1
80: #define OSPF_AUTH_CRYPTOGRAPHIC 2
81: /* For Interface authentication setting default */
82: #define OSPF_AUTH_NOTSET -1
83: /* For the consumption and sanity of the command handler */
84: /* DO NIOT REMOVE!!! Need to detect whether a value has
85: been given or not in VLink command handlers */
86: #define OSPF_AUTH_CMD_NOTSEEN -2
87:
88: /* OSPF SPF timer values. */
89: #define OSPF_SPF_DELAY_DEFAULT 200
90: #define OSPF_SPF_HOLDTIME_DEFAULT 1000
91: #define OSPF_SPF_MAX_HOLDTIME_DEFAULT 10000
92:
93: /* OSPF interface default values. */
94: #define OSPF_OUTPUT_COST_DEFAULT 10
95: #define OSPF_OUTPUT_COST_INFINITE UINT16_MAX
96: #define OSPF_ROUTER_DEAD_INTERVAL_DEFAULT 40
97: #define OSPF_ROUTER_DEAD_INTERVAL_MINIMAL 1
98: #define OSPF_HELLO_INTERVAL_DEFAULT 10
99: #define OSPF_ROUTER_PRIORITY_DEFAULT 1
100: #define OSPF_RETRANSMIT_INTERVAL_DEFAULT 5
101: #define OSPF_TRANSMIT_DELAY_DEFAULT 1
102: #define OSPF_DEFAULT_BANDWIDTH 10000 /* Kbps */
103:
104: #define OSPF_DEFAULT_REF_BANDWIDTH 100000 /* Kbps */
105:
106: #define OSPF_POLL_INTERVAL_DEFAULT 60
107: #define OSPF_NEIGHBOR_PRIORITY_DEFAULT 0
108:
109: #define OSPF_MTU_IGNORE_DEFAULT 0
110: #define OSPF_FAST_HELLO_DEFAULT 0
111:
112: /* OSPF options. */
113: #define OSPF_OPTION_T 0x01 /* TOS. */
114: #define OSPF_OPTION_E 0x02
115: #define OSPF_OPTION_MC 0x04
116: #define OSPF_OPTION_NP 0x08
117: #define OSPF_OPTION_EA 0x10
118: #define OSPF_OPTION_DC 0x20
119: #define OSPF_OPTION_O 0x40
120:
121: /* OSPF Database Description flags. */
122: #define OSPF_DD_FLAG_MS 0x01
123: #define OSPF_DD_FLAG_M 0x02
124: #define OSPF_DD_FLAG_I 0x04
125: #define OSPF_DD_FLAG_ALL 0x07
126:
127: #define OSPF_LS_REFRESH_SHIFT (60 * 15)
128: #define OSPF_LS_REFRESH_JITTER 60
129:
130: /* OSPF master for system wide configuration and variables. */
131: struct ospf_master
132: {
133: /* OSPF instance. */
134: struct list *ospf;
135:
136: /* OSPF thread master. */
137: struct thread_master *master;
138:
139: /* Zebra interface list. */
140: struct list *iflist;
141:
142: /* Redistributed external information. */
143: struct route_table *external_info[ZEBRA_ROUTE_MAX + 1];
144: #define EXTERNAL_INFO(T) om->external_info[T]
145:
146: /* OSPF start time. */
147: time_t start_time;
148:
149: /* Various OSPF global configuration. */
150: u_char options;
151: #define OSPF_MASTER_SHUTDOWN (1 << 0) /* deferred-shutdown */
152: };
153:
154: /* OSPF instance structure. */
155: struct ospf
156: {
157: /* OSPF Router ID. */
158: struct in_addr router_id; /* Configured automatically. */
159: struct in_addr router_id_static; /* Configured manually. */
160:
161: /* ABR/ASBR internal flags. */
162: u_char flags;
163: #define OSPF_FLAG_ABR 0x0001
164: #define OSPF_FLAG_ASBR 0x0002
165:
166: /* ABR type. */
167: u_char abr_type;
168: #define OSPF_ABR_UNKNOWN 0
169: #define OSPF_ABR_STAND 1
170: #define OSPF_ABR_IBM 2
171: #define OSPF_ABR_CISCO 3
172: #define OSPF_ABR_SHORTCUT 4
173: #define OSPF_ABR_DEFAULT OSPF_ABR_CISCO
174:
175: /* NSSA ABR */
176: u_char anyNSSA; /* Bump for every NSSA attached. */
177:
178: /* Configured variables. */
179: u_char config;
180: #define OSPF_RFC1583_COMPATIBLE (1 << 0)
181: #define OSPF_OPAQUE_CAPABLE (1 << 2)
182: #define OSPF_LOG_ADJACENCY_CHANGES (1 << 3)
183: #define OSPF_LOG_ADJACENCY_DETAIL (1 << 4)
184:
185: #ifdef HAVE_OPAQUE_LSA
186: /* Opaque-LSA administrative flags. */
187: u_char opaque;
188: #define OPAQUE_OPERATION_READY_BIT (1 << 0)
189: #define OPAQUE_BLOCK_TYPE_09_LSA_BIT (1 << 1)
190: #define OPAQUE_BLOCK_TYPE_10_LSA_BIT (1 << 2)
191: #define OPAQUE_BLOCK_TYPE_11_LSA_BIT (1 << 3)
192: #endif /* HAVE_OPAQUE_LSA */
193:
194: /* RFC3137 stub router. Configured time to stay stub / max-metric */
195: unsigned int stub_router_startup_time; /* seconds */
196: unsigned int stub_router_shutdown_time; /* seconds */
197: #define OSPF_STUB_ROUTER_UNCONFIGURED 0
198:
199: /* SPF parameters */
200: unsigned int spf_delay; /* SPF delay time. */
201: unsigned int spf_holdtime; /* SPF hold time. */
202: unsigned int spf_max_holdtime; /* SPF maximum-holdtime */
203: unsigned int spf_hold_multiplier; /* Adaptive multiplier for hold time */
204:
205: int default_originate; /* Default information originate. */
206: #define DEFAULT_ORIGINATE_NONE 0
207: #define DEFAULT_ORIGINATE_ZEBRA 1
208: #define DEFAULT_ORIGINATE_ALWAYS 2
209: u_int32_t ref_bandwidth; /* Reference Bandwidth (Kbps). */
210: struct route_table *networks; /* OSPF config networks. */
211: struct list *vlinks; /* Configured Virtual-Links. */
212: struct list *areas; /* OSPF areas. */
213: struct route_table *nbr_nbma;
214: struct ospf_area *backbone; /* Pointer to the Backbone Area. */
215:
216: struct list *oiflist; /* ospf interfaces */
217: u_char passive_interface_default; /* passive-interface default */
218:
219: /* LSDB of AS-external-LSAs. */
220: struct ospf_lsdb *lsdb;
221:
222: /* Flags. */
223: int external_origin; /* AS-external-LSA origin flag. */
224: int ase_calc; /* ASE calculation flag. */
225:
226: #ifdef HAVE_OPAQUE_LSA
227: struct list *opaque_lsa_self; /* Type-11 Opaque-LSAs */
228: #endif /* HAVE_OPAQUE_LSA */
229:
230: /* Routing tables. */
231: struct route_table *old_table; /* Old routing table. */
232: struct route_table *new_table; /* Current routing table. */
233:
234: struct route_table *old_rtrs; /* Old ABR/ASBR RT. */
235: struct route_table *new_rtrs; /* New ABR/ASBR RT. */
236:
237: struct route_table *new_external_route; /* New External Route. */
238: struct route_table *old_external_route; /* Old External Route. */
239:
240: struct route_table *external_lsas; /* Database of external LSAs,
241: prefix is LSA's adv. network*/
242:
243: /* Time stamps. */
244: struct timeval ts_spf; /* SPF calculation time stamp. */
245:
246: struct list *maxage_lsa; /* List of MaxAge LSA for deletion. */
247: int redistribute; /* Num of redistributed protocols. */
248:
249: /* Threads. */
250: struct thread *t_abr_task; /* ABR task timer. */
251: struct thread *t_asbr_check; /* ASBR check timer. */
252: struct thread *t_distribute_update; /* Distirbute list update timer. */
253: struct thread *t_spf_calc; /* SPF calculation timer. */
254: struct thread *t_ase_calc; /* ASE calculation timer. */
255: struct thread *t_external_lsa; /* AS-external-LSA origin timer. */
256: #ifdef HAVE_OPAQUE_LSA
257: struct thread *t_opaque_lsa_self; /* Type-11 Opaque-LSAs origin event. */
258: #endif /* HAVE_OPAQUE_LSA */
259:
260: #define OSFP_LSA_MAXAGE_REMOVE_DELAY_DEFAULT 60
261: unsigned int maxage_delay; /* Delay on Maxage remover timer, sec */
262: struct thread *t_maxage; /* MaxAge LSA remover timer. */
263: #define OSPF_LSA_MAXAGE_CHECK_INTERVAL 30
264: struct thread *t_maxage_walker; /* MaxAge LSA checking timer. */
265:
266: struct thread *t_deferred_shutdown; /* deferred/stub-router shutdown timer*/
267:
268: struct thread *t_write;
269: struct thread *t_read;
270: int fd;
271: int maxsndbuflen;
272: struct stream *ibuf;
273: struct list *oi_write_q;
274:
275: /* Distribute lists out of other route sources. */
276: struct
277: {
278: char *name;
279: struct access_list *list;
280: } dlist[ZEBRA_ROUTE_MAX];
281: #define DISTRIBUTE_NAME(O,T) (O)->dlist[T].name
282: #define DISTRIBUTE_LIST(O,T) (O)->dlist[T].list
283:
284: /* Redistribute metric info. */
285: struct
286: {
287: int type; /* External metric type (E1 or E2). */
288: int value; /* Value for static metric (24-bit).
289: -1 means metric value is not set. */
290: } dmetric [ZEBRA_ROUTE_MAX + 1];
291:
292: /* For redistribute route map. */
293: struct
294: {
295: char *name;
296: struct route_map *map;
297: } route_map [ZEBRA_ROUTE_MAX + 1]; /* +1 is for default-information */
298: #define ROUTEMAP_NAME(O,T) (O)->route_map[T].name
299: #define ROUTEMAP(O,T) (O)->route_map[T].map
300:
301: int default_metric; /* Default metric for redistribute. */
302:
303: #define OSPF_LSA_REFRESHER_GRANULARITY 10
304: #define OSPF_LSA_REFRESHER_SLOTS ((OSPF_LS_REFRESH_TIME + \
305: OSPF_LS_REFRESH_SHIFT)/10 + 1)
306: struct
307: {
308: u_int16_t index;
309: struct list *qs[OSPF_LSA_REFRESHER_SLOTS];
310: } lsa_refresh_queue;
311:
312: struct thread *t_lsa_refresher;
313: time_t lsa_refresher_started;
314: #define OSPF_LSA_REFRESH_INTERVAL_DEFAULT 10
315: u_int16_t lsa_refresh_interval;
316:
317: /* Distance parameter. */
318: u_char distance_all;
319: u_char distance_intra;
320: u_char distance_inter;
321: u_char distance_external;
322:
323: /* Statistics for LSA origination. */
324: u_int32_t lsa_originate_count;
325:
326: /* Statistics for LSA used for new instantiation. */
327: u_int32_t rx_lsa_count;
328:
329: struct route_table *distance_table;
330: };
331:
332: /* OSPF area structure. */
333: struct ospf_area
334: {
335: /* OSPF instance. */
336: struct ospf *ospf;
337:
338: /* Zebra interface list belonging to the area. */
339: struct list *oiflist;
340:
341: /* Area ID. */
342: struct in_addr area_id;
343:
344: /* Area ID format. */
345: char format;
346: #define OSPF_AREA_ID_FORMAT_ADDRESS 1
347: #define OSPF_AREA_ID_FORMAT_DECIMAL 2
348:
349: /* Address range. */
350: struct list *address_range;
351:
352: /* Configured variables. */
353: int external_routing; /* ExternalRoutingCapability. */
354: #define OSPF_AREA_DEFAULT 0
355: #define OSPF_AREA_STUB 1
356: #define OSPF_AREA_NSSA 2
357: #define OSPF_AREA_TYPE_MAX 3
358: int no_summary; /* Don't inject summaries into stub.*/
359: int shortcut_configured; /* Area configured as shortcut. */
360: #define OSPF_SHORTCUT_DEFAULT 0
361: #define OSPF_SHORTCUT_ENABLE 1
362: #define OSPF_SHORTCUT_DISABLE 2
363: int shortcut_capability; /* Other ABRs agree on S-bit */
364: u_int32_t default_cost; /* StubDefaultCost. */
365: int auth_type; /* Authentication type. */
366:
367:
368: u_char NSSATranslatorRole; /* NSSA configured role */
369: #define OSPF_NSSA_ROLE_NEVER 0
370: #define OSPF_NSSA_ROLE_CANDIDATE 1
371: #define OSPF_NSSA_ROLE_ALWAYS 2
372: u_char NSSATranslatorState; /* NSSA operational role */
373: #define OSPF_NSSA_TRANSLATE_DISABLED 0
374: #define OSPF_NSSA_TRANSLATE_ENABLED 1
375: int NSSATranslatorStabilityInterval;
376:
377: u_char transit; /* TransitCapability. */
378: #define OSPF_TRANSIT_FALSE 0
379: #define OSPF_TRANSIT_TRUE 1
380: struct route_table *ranges; /* Configured Area Ranges. */
381:
382: /* RFC3137 stub router state flags for area */
383: u_char stub_router_state;
384: #define OSPF_AREA_ADMIN_STUB_ROUTED (1 << 0) /* admin stub-router set */
385: #define OSPF_AREA_IS_STUB_ROUTED (1 << 1) /* stub-router active */
386: #define OSPF_AREA_WAS_START_STUB_ROUTED (1 << 2) /* startup SR was done */
387:
388: /* Area related LSDBs[Type1-4]. */
389: struct ospf_lsdb *lsdb;
390:
391: /* Self-originated LSAs. */
392: struct ospf_lsa *router_lsa_self;
393: #ifdef HAVE_OPAQUE_LSA
394: struct list *opaque_lsa_self; /* Type-10 Opaque-LSAs */
395: #endif /* HAVE_OPAQUE_LSA */
396:
397: /* Area announce list. */
398: struct
399: {
400: char *name;
401: struct access_list *list;
402: } _export;
403: #define EXPORT_NAME(A) (A)->_export.name
404: #define EXPORT_LIST(A) (A)->_export.list
405:
406: /* Area acceptance list. */
407: struct
408: {
409: char *name;
410: struct access_list *list;
411: } import;
412: #define IMPORT_NAME(A) (A)->import.name
413: #define IMPORT_LIST(A) (A)->import.list
414:
415: /* Type 3 LSA Area prefix-list. */
416: struct
417: {
418: char *name;
419: struct prefix_list *list;
420: } plist_in;
421: #define PREFIX_LIST_IN(A) (A)->plist_in.list
422: #define PREFIX_NAME_IN(A) (A)->plist_in.name
423:
424: struct
425: {
426: char *name;
427: struct prefix_list *list;
428: } plist_out;
429: #define PREFIX_LIST_OUT(A) (A)->plist_out.list
430: #define PREFIX_NAME_OUT(A) (A)->plist_out.name
431:
432: /* Shortest Path Tree. */
433: struct vertex *spf;
434:
435: /* Threads. */
436: struct thread *t_stub_router; /* Stub-router timer */
437: #ifdef HAVE_OPAQUE_LSA
438: struct thread *t_opaque_lsa_self; /* Type-10 Opaque-LSAs origin. */
439: #endif /* HAVE_OPAQUE_LSA */
440:
441: /* Statistics field. */
442: u_int32_t spf_calculation; /* SPF Calculation Count. */
443:
444: /* Router count. */
445: u_int32_t abr_count; /* ABR router in this area. */
446: u_int32_t asbr_count; /* ASBR router in this area. */
447:
448: /* Counters. */
449: u_int32_t act_ints; /* Active interfaces. */
450: u_int32_t full_nbrs; /* Fully adjacent neighbors. */
451: u_int32_t full_vls; /* Fully adjacent virtual neighbors. */
452: };
453:
454: /* OSPF config network structure. */
455: struct ospf_network
456: {
457: /* Area ID. */
458: struct in_addr area_id;
459: int format;
460: };
461:
462: /* OSPF NBMA neighbor structure. */
463: struct ospf_nbr_nbma
464: {
465: /* Neighbor IP address. */
466: struct in_addr addr;
467:
468: /* OSPF interface. */
469: struct ospf_interface *oi;
470:
471: /* OSPF neighbor structure. */
472: struct ospf_neighbor *nbr;
473:
474: /* Neighbor priority. */
475: u_char priority;
476:
477: /* Poll timer value. */
478: u_int32_t v_poll;
479:
480: /* Poll timer thread. */
481: struct thread *t_poll;
482:
483: /* State change. */
484: u_int32_t state_change;
485: };
486:
487: /* Macro. */
488: #define OSPF_AREA_SAME(X,Y) \
489: (memcmp ((X->area_id), (Y->area_id), IPV4_MAX_BYTELEN) == 0)
490:
491: #define IS_OSPF_ABR(O) ((O)->flags & OSPF_FLAG_ABR)
492: #define IS_OSPF_ASBR(O) ((O)->flags & OSPF_FLAG_ASBR)
493:
494: #define OSPF_IS_AREA_ID_BACKBONE(I) ((I).s_addr == OSPF_AREA_BACKBONE)
495: #define OSPF_IS_AREA_BACKBONE(A) OSPF_IS_AREA_ID_BACKBONE ((A)->area_id)
496:
497: #ifdef roundup
498: # define ROUNDUP(val, gran) roundup(val, gran)
499: #else /* roundup */
500: # define ROUNDUP(val, gran) (((val) - 1 | (gran) - 1) + 1)
501: #endif /* roundup */
502:
503: #define LSA_OPTIONS_GET(area) \
504: (((area)->external_routing == OSPF_AREA_DEFAULT) ? OSPF_OPTION_E : 0)
505: #define LSA_OPTIONS_NSSA_GET(area) \
506: (((area)->external_routing == OSPF_AREA_NSSA) ? OSPF_OPTION_NP : 0)
507:
508: #define OSPF_TIMER_ON(T,F,V) \
509: do { \
510: if (!(T)) \
511: (T) = thread_add_timer (master, (F), ospf, (V)); \
512: } while (0)
513:
514: #define OSPF_AREA_TIMER_ON(T,F,V) \
515: do { \
516: if (!(T)) \
517: (T) = thread_add_timer (master, (F), area, (V)); \
518: } while (0)
519:
520: #define OSPF_POLL_TIMER_ON(T,F,V) \
521: do { \
522: if (!(T)) \
523: (T) = thread_add_timer (master, (F), nbr_nbma, (V)); \
524: } while (0)
525:
526: #define OSPF_POLL_TIMER_OFF(X) OSPF_TIMER_OFF((X))
527:
528: #define OSPF_TIMER_OFF(X) \
529: do { \
530: if (X) \
531: { \
532: thread_cancel (X); \
533: (X) = NULL; \
534: } \
535: } while (0)
536:
537: /* Extern variables. */
538: extern struct ospf_master *om;
539: extern const struct message ospf_ism_state_msg[];
540: extern const struct message ospf_nsm_state_msg[];
541: extern const struct message ospf_lsa_type_msg[];
542: extern const struct message ospf_link_state_id_type_msg[];
543: extern const struct message ospf_network_type_msg[];
544: extern const int ospf_ism_state_msg_max;
545: extern const int ospf_nsm_state_msg_max;
546: extern const int ospf_lsa_type_msg_max;
547: extern const int ospf_link_state_id_type_msg_max;
548: extern const int ospf_redistributed_proto_max;
549: extern const int ospf_network_type_msg_max;
550: extern struct zclient *zclient;
551: extern struct thread_master *master;
552: extern int ospf_zlog;
553:
554: /* Prototypes. */
555: extern const char *ospf_redist_string(u_int route_type);
556: extern struct ospf *ospf_lookup (void);
557: extern struct ospf *ospf_get (void);
558: extern void ospf_finish (struct ospf *);
559: extern void ospf_router_id_update (struct ospf *ospf);
560: extern int ospf_network_set (struct ospf *, struct prefix_ipv4 *,
561: struct in_addr);
562: extern int ospf_network_unset (struct ospf *, struct prefix_ipv4 *,
563: struct in_addr);
564: extern int ospf_area_stub_set (struct ospf *, struct in_addr);
565: extern int ospf_area_stub_unset (struct ospf *, struct in_addr);
566: extern int ospf_area_no_summary_set (struct ospf *, struct in_addr);
567: extern int ospf_area_no_summary_unset (struct ospf *, struct in_addr);
568: extern int ospf_area_nssa_set (struct ospf *, struct in_addr);
569: extern int ospf_area_nssa_unset (struct ospf *, struct in_addr);
570: extern int ospf_area_nssa_translator_role_set (struct ospf *, struct in_addr,
571: int);
572: extern int ospf_area_export_list_set (struct ospf *, struct ospf_area *,
573: const char *);
574: extern int ospf_area_export_list_unset (struct ospf *, struct ospf_area *);
575: extern int ospf_area_import_list_set (struct ospf *, struct ospf_area *,
576: const char *);
577: extern int ospf_area_import_list_unset (struct ospf *, struct ospf_area *);
578: extern int ospf_area_shortcut_set (struct ospf *, struct ospf_area *, int);
579: extern int ospf_area_shortcut_unset (struct ospf *, struct ospf_area *);
580: extern int ospf_timers_refresh_set (struct ospf *, int);
581: extern int ospf_timers_refresh_unset (struct ospf *);
582: extern int ospf_nbr_nbma_set (struct ospf *, struct in_addr);
583: extern int ospf_nbr_nbma_unset (struct ospf *, struct in_addr);
584: extern int ospf_nbr_nbma_priority_set (struct ospf *, struct in_addr, u_char);
585: extern int ospf_nbr_nbma_priority_unset (struct ospf *, struct in_addr);
586: extern int ospf_nbr_nbma_poll_interval_set (struct ospf *, struct in_addr,
587: unsigned int);
588: extern int ospf_nbr_nbma_poll_interval_unset (struct ospf *, struct in_addr);
589: extern void ospf_prefix_list_update (struct prefix_list *);
590: extern void ospf_init (void);
591: extern void ospf_if_update (struct ospf *, struct interface *);
592: extern void ospf_ls_upd_queue_empty (struct ospf_interface *);
593: extern void ospf_terminate (void);
594: extern void ospf_nbr_nbma_if_update (struct ospf *, struct ospf_interface *);
595: extern struct ospf_nbr_nbma *ospf_nbr_nbma_lookup (struct ospf *,
596: struct in_addr);
597: extern struct ospf_nbr_nbma *ospf_nbr_nbma_lookup_next (struct ospf *,
598: struct in_addr *,
599: int);
600: extern int ospf_oi_count (struct interface *);
601:
602: extern struct ospf_area *ospf_area_get (struct ospf *, struct in_addr, int);
603: extern void ospf_area_check_free (struct ospf *, struct in_addr);
604: extern struct ospf_area *ospf_area_lookup_by_area_id (struct ospf *,
605: struct in_addr);
606: extern void ospf_area_add_if (struct ospf_area *, struct ospf_interface *);
607: extern void ospf_area_del_if (struct ospf_area *, struct ospf_interface *);
608:
609: extern void ospf_route_map_init (void);
610: extern void ospf_snmp_init (void);
611:
612: extern void ospf_master_init (void);
613:
614: #endif /* _ZEBRA_OSPFD_H */
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