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