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Annotation of embedaddon/quagga/ospfd/ospf_abr.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * OSPF ABR functions.
                      3:  * Copyright (C) 1999 Alex Zinin
                      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_OSPF_ABR_H
                     24: #define _ZEBRA_OSPF_ABR_H
                     25: 
                     26: #define OSPF_ABR_TASK_DELAY    7
                     27: 
                     28: #define OSPF_AREA_RANGE_ADVERTISE      (1 << 0)
                     29: #define OSPF_AREA_RANGE_SUBSTITUTE     (1 << 1)
                     30: 
                     31: /* Area range. */
                     32: struct ospf_area_range
                     33: {
                     34:   /* Area range address. */
                     35:   struct in_addr addr;
                     36: 
                     37:   /* Area range masklen. */
                     38:   u_char masklen;
                     39: 
                     40:   /* Flags. */
                     41:   u_char flags;
                     42: 
                     43:   /* Number of more specific prefixes. */
                     44:   int specifics;
                     45: 
                     46:   /* Addr and masklen to substitute. */
                     47:   struct in_addr subst_addr;
                     48:   u_char subst_masklen;
                     49: 
                     50:   /* Range cost. */
                     51:   u_int32_t cost;
                     52: 
                     53:   /* Configured range cost. */
                     54:   u_int32_t cost_config;
                     55: #define OSPF_AREA_RANGE_COST_UNSPEC    -1U
                     56: };
                     57: 
                     58: /* Prototypes. */
                     59: extern struct ospf_area_range *ospf_area_range_lookup (struct ospf_area *,
                     60:                                                       struct prefix_ipv4 *);
                     61: 
                     62: extern struct ospf_area_range *ospf_some_area_range_match (struct prefix_ipv4
                     63:                                                           *);
                     64: 
                     65: extern struct ospf_area_range *ospf_area_range_lookup_next (struct ospf_area
                     66:                                                            *,
                     67:                                                            struct in_addr *,
                     68:                                                            int);
                     69: 
                     70: extern int ospf_area_range_set (struct ospf *, struct in_addr,
                     71:                                struct prefix_ipv4 *, int);
                     72: extern int ospf_area_range_cost_set (struct ospf *, struct in_addr,
                     73:                                     struct prefix_ipv4 *, u_int32_t);
                     74: extern int ospf_area_range_unset (struct ospf *, struct in_addr,
                     75:                                  struct prefix_ipv4 *);
                     76: extern int ospf_area_range_substitute_set (struct ospf *, struct in_addr,
                     77:                                           struct prefix_ipv4 *,
                     78:                                           struct prefix_ipv4 *);
                     79: extern int ospf_area_range_substitute_unset (struct ospf *, struct in_addr,
                     80:                                             struct prefix_ipv4 *);
                     81: extern struct ospf_area_range *ospf_area_range_match_any (struct ospf *,
                     82:                                                          struct prefix_ipv4
                     83:                                                          *);
                     84: extern int ospf_area_range_active (struct ospf_area_range *);
                     85: extern int ospf_act_bb_connection (struct ospf *);
                     86: 
                     87: extern void ospf_check_abr_status (struct ospf *);
                     88: extern void ospf_abr_task (struct ospf *);
                     89: extern void ospf_schedule_abr_task (struct ospf *);
                     90: 
                     91: extern void ospf_abr_announce_network_to_area (struct prefix_ipv4 *, 
                     92:                                                u_int32_t,
                     93:                                                struct ospf_area *);
                     94: #endif /* _ZEBRA_OSPF_ABR_H */