ospfd/ospfd.h

   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"
  27
  28 #define OSPF_VERSION            2
  29
  30 /* Default protocol, port number. */
  31 #ifndef IPPROTO_OSPFIGP
  32 #define IPPROTO_OSPFIGP         89
  33 #endif /* IPPROTO_OSPFIGP */
  34
  35 /* IP precedence. */
  36 #ifndef IPTOS_PREC_INTERNETCONTROL
  37 #define IPTOS_PREC_INTERNETCONTROL      0xC0
  38 #endif /* IPTOS_PREC_INTERNETCONTROL */
  39
  40 /* VTY port number. */
  41 #define OSPF_VTY_PORT          2604
  42 #define OSPF_VTYSH_PATH        "/tmp/.ospfd"
  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
  68
  69 #define OSPF_ALLSPFROUTERS              0xe0000005      /* 224.0.0.5 */
  70 #define OSPF_ALLDROUTERS                0xe0000006      /* 224.0.0.6 */
  71
  72 #ifdef HAVE_NSSA
  73 #define OSPF_LOOPer                     0x7f000000      /* 127.0.0.0 */
  74 #endif /* HAVE_NSSA */
  75
  76 #define OSPF_AREA_BACKBONE              0x00000000      /* 0.0.0.0 */
  77
  78 /* OSPF Authentication Type. */
  79 #define OSPF_AUTH_NULL                      0
  80 #define OSPF_AUTH_SIMPLE                    1
  81 #define OSPF_AUTH_CRYPTOGRAPHIC             2
  82 /* For Interface authentication setting default */
  83 #define OSPF_AUTH_NOTSET                   -1
  84 /* For the consumption and sanity of the command handler */
  85 /* DO NIOT REMOVE!!! Need to detect whether a value has
  86    been given or not in VLink command handlers */
  87 #define OSPF_AUTH_CMD_NOTSEEN              -2
  88
  89 /* OSPF SPF timer values. */
  90 #define OSPF_SPF_DELAY_DEFAULT              5
  91 #define OSPF_SPF_HOLDTIME_DEFAULT          10
  92
  93 /* OSPF interface default values. */
  94 #define OSPF_OUTPUT_COST_DEFAULT           10
  95 #define OSPF_ROUTER_DEAD_INTERVAL_DEFAULT  40
  96 #define OSPF_HELLO_INTERVAL_DEFAULT        10
  97 #define OSPF_ROUTER_PRIORITY_DEFAULT        1
  98 #define OSPF_RETRANSMIT_INTERVAL_DEFAULT    5
  99 #define OSPF_TRANSMIT_DELAY_DEFAULT         1
 100 #define OSPF_DEFAULT_BANDWIDTH           10000  /* Kbps */
 101
 102 #define OSPF_DEFAULT_REF_BANDWIDTH      100000  /* Kbps */
 103
 104 #define OSPF_POLL_INTERVAL_DEFAULT         60
 105 #define OSPF_NEIGHBOR_PRIORITY_DEFAULT      0
 106
 107 /* OSPF options. */
 108 #define OSPF_OPTION_T                    0x01  /* TOS. */
 109 #define OSPF_OPTION_E                    0x02
 110 #define OSPF_OPTION_MC                   0x04
 111 #define OSPF_OPTION_NP                   0x08
 112 #define OSPF_OPTION_EA                   0x10
 113 #define OSPF_OPTION_DC                   0x20
 114 #define OSPF_OPTION_O                    0x40
 115
 116 /* OSPF Database Description flags. */
 117 #define OSPF_DD_FLAG_MS                  0x01
 118 #define OSPF_DD_FLAG_M                   0x02
 119 #define OSPF_DD_FLAG_I                   0x04
 120 #define OSPF_DD_FLAG_ALL                 0x07
 121
 122 /* Timer value. */
 123 #define OSPF_ROUTER_ID_UPDATE_DELAY             1
 124
 125 #define OSPF_LS_REFRESH_SHIFT       (60 * 15)
 126 #define OSPF_LS_REFRESH_JITTER      60
 127
 128 /* OSPF master for system wide configuration and variables. */
 129 struct ospf_master
 130 {
 131   /* OSPF instance. */
 132   struct list *ospf;
 133
 134   /* OSPF thread master. */
 135   struct thread_master *master;
 136
 137   /* Zebra interface list. */
 138   struct list *iflist;
 139
 140   /* Redistributed external information. */
 141   struct route_table *external_info[ZEBRA_ROUTE_MAX + 1];
 142 #define EXTERNAL_INFO(T)      om->external_info[T]
 143
 144   /* OSPF start time. */
 145   time_t start_time;
 146
 147   /* Various OSPF global configuration. */
 148   u_char options;
 149 };
 150
 151 /* OSPF instance structure. */
 152 struct ospf
 153 {
 154   /* OSPF Router ID. */
 155   struct in_addr router_id;             /* Configured automatically. */
 156   struct in_addr router_id_static;      /* Configured manually. */
 157
 158   /* ABR/ASBR internal flags. */
 159   u_char flags;
 160 #define OSPF_FLAG_ABR           0x0001
 161 #define OSPF_FLAG_ASBR          0x0002
 162
 163   /* ABR type. */
 164   u_char abr_type;
 165 #define OSPF_ABR_UNKNOWN        0
 166 #define OSPF_ABR_STAND          1
 167 #define OSPF_ABR_IBM            2
 168 #define OSPF_ABR_CISCO          3
 169 #define OSPF_ABR_SHORTCUT       4
 170
 171   /* NSSA ABR */
 172   u_char anyNSSA;               /* Bump for every NSSA attached. */
 173
 174   /* Configured variables. */
 175   u_char config;
 176 #define OSPF_RFC1583_COMPATIBLE         (1 << 0)
 177 #define OSPF_OPAQUE_CAPABLE             (1 << 2)
 178
 179 #ifdef HAVE_OPAQUE_LSA
 180   /* Opaque-LSA administrative flags. */
 181   u_char opaque;
 182 #define OPAQUE_OPERATION_READY_BIT      (1 << 0)
 183 #define OPAQUE_BLOCK_TYPE_09_LSA_BIT    (1 << 1)
 184 #define OPAQUE_BLOCK_TYPE_10_LSA_BIT    (1 << 2)
 185 #define OPAQUE_BLOCK_TYPE_11_LSA_BIT    (1 << 3)
 186 #endif /* HAVE_OPAQUE_LSA */
 187
 188   int spf_delay;                        /* SPF delay time. */
 189   int spf_holdtime;                     /* SPF hold time. */
 190   int default_originate;                /* Default information originate. */
 191 #define DEFAULT_ORIGINATE_NONE          0
 192 #define DEFAULT_ORIGINATE_ZEBRA         1
 193 #define DEFAULT_ORIGINATE_ALWAYS        2
 194   u_int32_t ref_bandwidth;              /* Reference Bandwidth (Kbps). */
 195   struct route_table *networks;         /* OSPF config networks. */
 196   list vlinks;                          /* Configured Virtual-Links. */
 197   list areas;                           /* OSPF areas. */
 198   struct route_table *nbr_nbma;
 199   struct ospf_area *backbone;           /* Pointer to the Backbone Area. */
 200
 201   list oiflist;                         /* ospf interfaces */
 202
 203   /* LSDB of AS-external-LSAs. */
 204   struct ospf_lsdb *lsdb;
 205
 206   /* Flags. */
 207   int external_origin;                  /* AS-external-LSA origin flag. */
 208   int ase_calc;                         /* ASE calculation flag. */
 209
 210 #ifdef HAVE_OPAQUE_LSA
 211   list opaque_lsa_self;                 /* Type-11 Opaque-LSAs */
 212 #endif /* HAVE_OPAQUE_LSA */
 213
 214   /* Routing tables. */
 215   struct route_table *old_table;        /* Old routing table. */
 216   struct route_table *new_table;        /* Current routing table. */
 217
 218   struct route_table *old_rtrs;         /* Old ABR/ASBR RT. */
 219   struct route_table *new_rtrs;         /* New ABR/ASBR RT. */
 220
 221   struct route_table *new_external_route;   /* New External Route. */
 222   struct route_table *old_external_route;   /* Old External Route. */
 223
 224   struct route_table *external_lsas;    /* Database of external LSAs,
 225                                            prefix is LSA's adv. network*/
 226
 227   /* Time stamps. */
 228   time_t ts_spf;                        /* SPF calculation time stamp. */
 229
 230   list maxage_lsa;                      /* List of MaxAge LSA for deletion. */
 231   int redistribute;                     /* Num of redistributed protocols. */
 232
 233   /* Threads. */
 234   struct thread *t_router_id_update;    /* Router ID update timer. */
 235   struct thread *t_router_lsa_update;   /* router-LSA update timer. */
 236   struct thread *t_abr_task;            /* ABR task timer. */
 237   struct thread *t_asbr_check;          /* ASBR check timer. */
 238   struct thread *t_distribute_update;   /* Distirbute list update timer. */
 239   struct thread *t_spf_calc;            /* SPF calculation timer. */
 240   struct thread *t_ase_calc;            /* ASE calculation timer. */
 241   struct thread *t_external_lsa;        /* AS-external-LSA origin timer. */
 242 #ifdef HAVE_OPAQUE_LSA
 243   struct thread *t_opaque_lsa_self;     /* Type-11 Opaque-LSAs origin event. */
 244 #endif /* HAVE_OPAQUE_LSA */
 245   struct thread *t_maxage;              /* MaxAge LSA remover timer. */
 246   struct thread *t_maxage_walker;       /* MaxAge LSA checking timer. */
 247
 248   struct thread *t_write;
 249   struct thread *t_read;
 250   int fd;
 251   list oi_write_q;
 252
 253   /* Distribute lists out of other route sources. */
 254   struct
 255   {
 256     char *name;
 257     struct access_list *list;
 258   } dlist[ZEBRA_ROUTE_MAX];
 259 #define DISTRIBUTE_NAME(O,T)    (O)->dlist[T].name
 260 #define DISTRIBUTE_LIST(O,T)    (O)->dlist[T].list
 261
 262   /* Redistribute metric info. */
 263   struct
 264   {
 265     int type;                   /* External metric type (E1 or E2).  */
 266     int value;                  /* Value for static metric (24-bit).
 267                                    -1 means metric value is not set. */
 268   } dmetric [ZEBRA_ROUTE_MAX + 1];
 269
 270   /* For redistribute route map. */
 271   struct
 272   {
 273     char *name;
 274     struct route_map *map;
 275   } route_map [ZEBRA_ROUTE_MAX + 1]; /* +1 is for default-information */
 276 #define ROUTEMAP_NAME(O,T)   (O)->route_map[T].name
 277 #define ROUTEMAP(O,T)        (O)->route_map[T].map
 278
 279   int default_metric;           /* Default metric for redistribute. */
 280
 281 #define OSPF_LSA_REFRESHER_GRANULARITY 10
 282 #define OSPF_LSA_REFRESHER_SLOTS ((OSPF_LS_REFRESH_TIME + \
 283                                   OSPF_LS_REFRESH_SHIFT)/10 + 1)
 284   struct
 285   {
 286     u_int16_t index;
 287     list qs[OSPF_LSA_REFRESHER_SLOTS];
 288   } lsa_refresh_queue;
 289
 290   struct thread *t_lsa_refresher;
 291   time_t lsa_refresher_started;
 292 #define OSPF_LSA_REFRESH_INTERVAL_DEFAULT 10
 293   u_int16_t lsa_refresh_interval;
 294
 295   /* Distance parameter. */
 296   u_char distance_all;
 297   u_char distance_intra;
 298   u_char distance_inter;
 299   u_char distance_external;
 300
 301   /* Statistics for LSA origination. */
 302   u_int32_t lsa_originate_count;
 303
 304   /* Statistics for LSA used for new instantiation. */
 305   u_int32_t rx_lsa_count;
 306
 307   struct route_table *distance_table;
 308 };
 309
 310 /* OSPF area structure. */
 311 struct ospf_area
 312 {
 313   /* OSPF instance. */
 314   struct ospf *ospf;
 315
 316   /* Zebra interface list belonging to the area. */
 317   list oiflist;
 318
 319   /* Area ID. */
 320   struct in_addr area_id;
 321
 322   /* Area ID format. */
 323   char format;
 324 #define OSPF_AREA_ID_FORMAT_ADDRESS         1
 325 #define OSPF_AREA_ID_FORMAT_DECIMAL         2
 326
 327   /* Address range. */
 328   list address_range;
 329
 330   /* Configured variables. */
 331   int external_routing;                 /* ExternalRoutingCapability. */
 332 #define OSPF_AREA_DEFAULT       0
 333 #define OSPF_AREA_STUB          1
 334 #define OSPF_AREA_NSSA          2
 335 #define OSPF_AREA_TYPE_MAX      3
 336   int no_summary;                       /* Don't inject summaries into stub.*/
 337   int shortcut_configured;              /* Area configured as shortcut. */
 338 #define OSPF_SHORTCUT_DEFAULT   0
 339 #define OSPF_SHORTCUT_ENABLE    1
 340 #define OSPF_SHORTCUT_DISABLE   2
 341   int shortcut_capability;              /* Other ABRs agree on S-bit */
 342   u_int32_t default_cost;               /* StubDefaultCost. */
 343   int auth_type;                        /* Authentication type. */
 344
 345   u_char NSSATranslatorRole;          /* NSSA Role during configuration */
 346 #define OSPF_NSSA_ROLE_NEVER     0
 347 #define OSPF_NSSA_ROLE_ALWAYS    1
 348 #define OSPF_NSSA_ROLE_CANDIDATE 2
 349   u_char NSSATranslator;              /* NSSA Role after election process */
 350
 351   u_char transit;                       /* TransitCapability. */
 352 #define OSPF_TRANSIT_FALSE      0
 353 #define OSPF_TRANSIT_TRUE       1
 354   struct route_table *ranges;           /* Configured Area Ranges. */
 355
 356   /* Area related LSDBs[Type1-4]. */
 357   struct ospf_lsdb *lsdb;
 358
 359   /* Self-originated LSAs. */
 360   struct ospf_lsa *router_lsa_self;
 361 #ifdef HAVE_OPAQUE_LSA
 362   list opaque_lsa_self;                 /* Type-10 Opaque-LSAs */
 363 #endif /* HAVE_OPAQUE_LSA */
 364
 365   /* Area announce list. */
 366   struct
 367   {
 368     char *name;
 369     struct access_list *list;
 370   } export;
 371 #define EXPORT_NAME(A)  (A)->export.name
 372 #define EXPORT_LIST(A)  (A)->export.list
 373
 374   /* Area acceptance list. */
 375   struct
 376   {
 377     char *name;
 378     struct access_list *list;
 379   } import;
 380 #define IMPORT_NAME(A)  (A)->import.name
 381 #define IMPORT_LIST(A)  (A)->import.list
 382
 383   /* Type 3 LSA Area prefix-list. */
 384   struct
 385   {
 386     char *name;
 387     struct prefix_list *list;
 388   } plist_in;
 389 #define PREFIX_LIST_IN(A)   (A)->plist_in.list
 390 #define PREFIX_NAME_IN(A)   (A)->plist_in.name
 391
 392   struct
 393   {
 394     char *name;
 395     struct prefix_list *list;
 396   } plist_out;
 397 #define PREFIX_LIST_OUT(A)  (A)->plist_out.list
 398 #define PREFIX_NAME_OUT(A)  (A)->plist_out.name
 399
 400   /* Shortest Path Tree. */
 401   struct vertex *spf;
 402
 403   /* Threads. */
 404   struct thread *t_router_lsa_self;/* Self-originated router-LSA timer. */
 405 #ifdef HAVE_OPAQUE_LSA
 406   struct thread *t_opaque_lsa_self;     /* Type-10 Opaque-LSAs origin. */
 407 #endif /* HAVE_OPAQUE_LSA */
 408
 409   /* Statistics field. */
 410   u_int32_t spf_calculation;    /* SPF Calculation Count. */
 411
 412   /* Router count. */
 413   u_int32_t abr_count;          /* ABR router in this area. */
 414   u_int32_t asbr_count;         /* ASBR router in this area. */
 415
 416   /* Counters. */
 417   u_int32_t act_ints;           /* Active interfaces. */
 418   u_int32_t full_nbrs;          /* Fully adjacent neighbors. */
 419   u_int32_t full_vls;           /* Fully adjacent virtual neighbors. */
 420 };
 421
 422 /* OSPF config network structure. */
 423 struct ospf_network
 424 {
 425   /* Area ID. */
 426   struct in_addr area_id;
 427   int format;
 428 };
 429
 430 /* OSPF NBMA neighbor structure. */
 431 struct ospf_nbr_nbma
 432 {
 433   /* Neighbor IP address. */
 434   struct in_addr addr;
 435
 436   /* OSPF interface. */
 437   struct ospf_interface *oi;
 438
 439   /* OSPF neighbor structure. */
 440   struct ospf_neighbor *nbr;
 441
 442   /* Neighbor priority. */
 443   u_char priority;
 444
 445   /* Poll timer value. */
 446   u_int32_t v_poll;
 447
 448   /* Poll timer thread. */
 449   struct thread *t_poll;
 450
 451   /* State change. */
 452   u_int32_t state_change;
 453 };
 454
 455 /* Macro. */
 456 #define OSPF_AREA_SAME(X,Y) \
 457         (memcmp ((X->area_id), (Y->area_id), IPV4_MAX_BYTELEN) == 0)
 458
 459 #define IS_OSPF_ABR(O)          ((O)->flags & OSPF_FLAG_ABR)
 460 #define IS_OSPF_ASBR(O)         ((O)->flags & OSPF_FLAG_ASBR)
 461
 462 #define OSPF_IS_AREA_ID_BACKBONE(I) ((I).s_addr == OSPF_AREA_BACKBONE)
 463 #define OSPF_IS_AREA_BACKBONE(A) OSPF_IS_AREA_ID_BACKBONE ((A)->area_id)
 464
 465 #ifdef roundup
 466 #  define ROUNDUP(val, gran)    roundup(val, gran)
 467 #else /* roundup */
 468 #  define ROUNDUP(val, gran)    (((val) - 1 | (gran) - 1) + 1)
 469 #endif /* roundup */
 470
 471 #define LSA_OPTIONS_GET(area) \
 472         (((area)->external_routing == OSPF_AREA_DEFAULT) ? OSPF_OPTION_E : 0)
 473 #ifdef HAVE_NSSA
 474 #define LSA_NSSA_GET(area) \
 475         (((area)->external_routing == OSPF_AREA_NSSA) ? \
 476           (area)->NSSATranslator : 0)
 477 #endif /* HAVE_NSSA */
 478
 479 #define OSPF_TIMER_ON(T,F,V)                                                  \
 480     do {                                                                      \
 481       if (!(T))                                                               \
 482         (T) = thread_add_timer (master, (F), ospf, (V));                      \
 483     } while (0)
 484
 485 #define OSPF_AREA_TIMER_ON(T,F,V)                                             \
 486     do {                                                                      \
 487       if (!(T))                                                               \
 488         (T) = thread_add_timer (master, (F), area, (V));                      \
 489     } while (0)
 490
 491 #define OSPF_POLL_TIMER_ON(T,F,V)                                             \
 492     do {                                                                      \
 493       if (!(T))                                                               \
 494         (T) = thread_add_timer (master, (F), nbr_nbma, (V));                  \
 495     } while (0)
 496
 497 #define OSPF_POLL_TIMER_OFF(X)          OSPF_TIMER_OFF((X))
 498
 499 #define OSPF_TIMER_OFF(X)                                                     \
 500     do {                                                                      \
 501       if (X)                                                                  \
 502         {                                                                     \
 503           thread_cancel (X);                                                  \
 504           (X) = NULL;                                                         \
 505         }                                                                     \
 506     } while (0)
 507
 508 /* Extern variables. */
 509 extern struct ospf_master *om;
 510 extern struct message ospf_ism_state_msg[];
 511 extern struct message ospf_nsm_state_msg[];
 512 extern struct message ospf_lsa_type_msg[];
 513 extern struct message ospf_link_state_id_type_msg[];
 514 extern struct message ospf_redistributed_proto[];
 515 extern struct message ospf_network_type_msg[];
 516 extern int ospf_ism_state_msg_max;
 517 extern int ospf_nsm_state_msg_max;
 518 extern int ospf_lsa_type_msg_max;
 519 extern int ospf_link_state_id_type_msg_max;
 520 extern int ospf_redistributed_proto_max;
 521 extern int ospf_network_type_msg_max;
 522 extern struct zclient *zclient;
 523 extern struct thread_master *master;
 524 extern int ospf_zlog;
 525
 526 /* Prototypes. */
 527 struct ospf *ospf_lookup ();
 528 struct ospf *ospf_get ();
 529 void ospf_finish (struct ospf *);
 530 int ospf_router_id_update_timer (struct thread *);
 531 void ospf_router_id_update ();
 532 int ospf_network_match_iface (struct connected *, struct prefix *);
 533 int ospf_network_set (struct ospf *, struct prefix_ipv4 *, struct in_addr);
 534 int ospf_network_unset (struct ospf *, struct prefix_ipv4 *, struct in_addr);
 535 int ospf_area_stub_set (struct ospf *, struct in_addr);
 536 int ospf_area_stub_unset (struct ospf *, struct in_addr);
 537 int ospf_area_no_summary_set (struct ospf *, struct in_addr);
 538 int ospf_area_no_summary_unset (struct ospf *, struct in_addr);
 539 int ospf_area_nssa_set (struct ospf *, struct in_addr);
 540 int ospf_area_nssa_unset (struct ospf *, struct in_addr);
 541 int ospf_area_nssa_translator_role_set (struct ospf *, struct in_addr, int);
 542 int ospf_area_export_list_set (struct ospf *, struct ospf_area *, char *);
 543 int ospf_area_export_list_unset (struct ospf *, struct ospf_area *);
 544 int ospf_area_import_list_set (struct ospf *, struct ospf_area *, char *);
 545 int ospf_area_import_list_unset (struct ospf *, struct ospf_area *);
 546 int ospf_area_shortcut_set (struct ospf *, struct ospf_area *, int);
 547 int ospf_area_shortcut_unset (struct ospf *, struct ospf_area *);
 548 int ospf_timers_spf_set (struct ospf *, u_int32_t, u_int32_t);
 549 int ospf_timers_spf_unset (struct ospf *);
 550 int ospf_timers_refresh_set (struct ospf *, int);
 551 int ospf_timers_refresh_unset (struct ospf *);
 552 int ospf_nbr_nbma_set (struct ospf *, struct in_addr);
 553 int ospf_nbr_nbma_unset (struct ospf *, struct in_addr);
 554 int ospf_nbr_nbma_priority_set (struct ospf *, struct in_addr, u_char);
 555 int ospf_nbr_nbma_priority_unset (struct ospf *, struct in_addr);
 556 int ospf_nbr_nbma_poll_interval_set (struct ospf *, struct in_addr, int);
 557 int ospf_nbr_nbma_poll_interval_unset (struct ospf *, struct in_addr);
 558 void ospf_prefix_list_update (struct prefix_list *);
 559 void ospf_init ();
 560 void ospf_if_update (struct ospf *);
 561 void ospf_ls_upd_queue_empty (struct ospf_interface *);
 562 void ospf_terminate ();
 563 void ospf_nbr_nbma_if_update (struct ospf *, struct ospf_interface *);
 564 struct ospf_nbr_nbma *ospf_nbr_nbma_lookup (struct ospf *, struct in_addr);
 565 struct ospf_nbr_nbma *ospf_nbr_nbma_lookup_next (struct ospf *,
 566                                                  struct in_addr *, int);
 567 int ospf_oi_count (struct interface *);
 568
 569 struct ospf_area *ospf_area_get (struct ospf *, struct in_addr, int);
 570 void ospf_area_check_free (struct ospf *, struct in_addr);
 571 struct ospf_area *ospf_area_lookup_by_area_id (struct ospf *, struct in_addr);
 572 void ospf_area_add_if (struct ospf_area *, struct ospf_interface *);
 573 void ospf_area_del_if (struct ospf_area *, struct ospf_interface *);
 574
 575 void ospf_route_map_init ();
 576 void ospf_snmp_init ();
 577
 578 void ospf_master_init ();
 579
 580 #endif /* _ZEBRA_OSPFD_H */