ospf6d/ospf6_area.h

   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 */