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Annotation of embedaddon/quagga/ospf6d/ospf6_area.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2003 Yasuhiro Ohara
        !             3:  *
        !             4:  * This file is part of GNU Zebra.
        !             5:  *
        !             6:  * GNU Zebra is free software; you can redistribute it and/or modify it
        !             7:  * under the terms of the GNU General Public License as published by the
        !             8:  * Free Software Foundation; either version 2, or (at your option) any
        !             9:  * later version.
        !            10:  *
        !            11:  * GNU Zebra is distributed in the hope that it will be useful, but
        !            12:  * WITHOUT ANY WARRANTY; without even the implied warranty of
        !            13:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            14:  * General Public License for more details.
        !            15:  *
        !            16:  * You should have received a copy of the GNU General Public License
        !            17:  * along with GNU Zebra; see the file COPYING.  If not, write to the 
        !            18:  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 
        !            19:  * Boston, MA 02111-1307, USA.  
        !            20:  */
        !            21: 
        !            22: #ifndef OSPF_AREA_H
        !            23: #define OSPF_AREA_H
        !            24: 
        !            25: #include "ospf6_top.h"
        !            26: 
        !            27: struct ospf6_area
        !            28: {
        !            29:   /* Reference to Top data structure */
        !            30:   struct ospf6 *ospf6;
        !            31: 
        !            32:   /* Area-ID */
        !            33:   u_int32_t area_id;
        !            34: 
        !            35:   /* Area-ID string */
        !            36:   char name[16];
        !            37: 
        !            38:   /* flag */
        !            39:   u_char flag;
        !            40: 
        !            41:   /* OSPF Option */
        !            42:   u_char options[3];
        !            43: 
        !            44:   /* Summary routes to be originated (includes Configured Address Ranges) */
        !            45:   struct ospf6_route_table *range_table;
        !            46:   struct ospf6_route_table *summary_prefix;
        !            47:   struct ospf6_route_table *summary_router;
        !            48: 
        !            49:   /* OSPF interface list */
        !            50:   struct list *if_list;
        !            51: 
        !            52:   struct ospf6_lsdb *lsdb;
        !            53:   struct ospf6_lsdb *lsdb_self;
        !            54: 
        !            55:   struct ospf6_route_table *spf_table;
        !            56:   struct ospf6_route_table *route_table;
        !            57: 
        !            58:   struct thread  *thread_spf_calculation;
        !            59:   struct thread  *thread_route_calculation;
        !            60: 
        !            61:   struct thread *thread_router_lsa;
        !            62:   struct thread *thread_intra_prefix_lsa;
        !            63:   u_int32_t router_lsa_size_limit;
        !            64: 
        !            65:   /* Area announce list */
        !            66:   struct
        !            67:   {
        !            68:     char *name;
        !            69:     struct access_list *list;
        !            70:   } _export;
        !            71: #define EXPORT_NAME(A)  (A)->_export.name
        !            72: #define EXPORT_LIST(A)  (A)->_export.list
        !            73: 
        !            74:   /* Area acceptance list */
        !            75:   struct
        !            76:   {
        !            77:     char *name;
        !            78:     struct access_list *list;
        !            79:   } import;
        !            80: #define IMPORT_NAME(A)  (A)->import.name
        !            81: #define IMPORT_LIST(A)  (A)->import.list
        !            82: 
        !            83:   /* Type 3 LSA Area prefix-list */
        !            84:   struct
        !            85:   {
        !            86:     char *name;
        !            87:     struct prefix_list *list;
        !            88:   } plist_in;
        !            89: #define PREFIX_NAME_IN(A)  (A)->plist_in.name
        !            90: #define PREFIX_LIST_IN(A)  (A)->plist_in.list
        !            91: 
        !            92:   struct
        !            93:   {
        !            94:     char *name;
        !            95:     struct prefix_list *list;
        !            96:   } plist_out;
        !            97: #define PREFIX_NAME_OUT(A)  (A)->plist_out.name
        !            98: #define PREFIX_LIST_OUT(A)  (A)->plist_out.list
        !            99: 
        !           100: };
        !           101: 
        !           102: #define OSPF6_AREA_ENABLE     0x01
        !           103: #define OSPF6_AREA_ACTIVE     0x02
        !           104: #define OSPF6_AREA_TRANSIT    0x04 /* TransitCapability */
        !           105: #define OSPF6_AREA_STUB       0x08
        !           106: 
        !           107: #define BACKBONE_AREA_ID (htonl (0))
        !           108: #define IS_AREA_BACKBONE(oa) ((oa)->area_id == BACKBONE_AREA_ID)
        !           109: #define IS_AREA_ENABLED(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ENABLE))
        !           110: #define IS_AREA_ACTIVE(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ACTIVE))
        !           111: #define IS_AREA_TRANSIT(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_TRANSIT))
        !           112: #define IS_AREA_STUB(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_STUB))
        !           113: 
        !           114: /* prototypes */
        !           115: extern int ospf6_area_cmp (void *va, void *vb);
        !           116: 
        !           117: extern struct ospf6_area *ospf6_area_create (u_int32_t, struct ospf6 *);
        !           118: extern void ospf6_area_delete (struct ospf6_area *);
        !           119: extern struct ospf6_area *ospf6_area_lookup (u_int32_t, struct ospf6 *);
        !           120: 
        !           121: extern void ospf6_area_enable (struct ospf6_area *);
        !           122: extern void ospf6_area_disable (struct ospf6_area *);
        !           123: 
        !           124: extern void ospf6_area_show (struct vty *, struct ospf6_area *);
        !           125: 
        !           126: extern void ospf6_area_config_write (struct vty *vty);
        !           127: extern void ospf6_area_init (void);
        !           128: 
        !           129: #endif /* OSPF_AREA_H */