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   /* Area type */
  50   int no_summary;
  51
  52   /* OSPF interface list */
  53   struct list *if_list;
  54
  55   struct ospf6_lsdb *lsdb;
  56   struct ospf6_lsdb *lsdb_self;
  57
  58   struct ospf6_route_table *spf_table;
  59   struct ospf6_route_table *route_table;
  60
  61   u_int32_t spf_calculation;    /* SPF calculation count */
  62
  63   struct thread *thread_router_lsa;
  64   struct thread *thread_intra_prefix_lsa;
  65   u_int32_t router_lsa_size_limit;
  66
  67   /* Area announce list */
  68   struct
  69   {
  70     char *name;
  71     struct access_list *list;
  72   } _export;
  73 #define EXPORT_NAME(A)  (A)->_export.name
  74 #define EXPORT_LIST(A)  (A)->_export.list
  75
  76   /* Area acceptance list */
  77   struct
  78   {
  79     char *name;
  80     struct access_list *list;
  81   } import;
  82 #define IMPORT_NAME(A)  (A)->import.name
  83 #define IMPORT_LIST(A)  (A)->import.list
  84
  85   /* Type 3 LSA Area prefix-list */
  86   struct
  87   {
  88     char *name;
  89     struct prefix_list *list;
  90   } plist_in;
  91 #define PREFIX_NAME_IN(A)  (A)->plist_in.name
  92 #define PREFIX_LIST_IN(A)  (A)->plist_in.list
  93
  94   struct
  95   {
  96     char *name;
  97     struct prefix_list *list;
  98   } plist_out;
  99 #define PREFIX_NAME_OUT(A)  (A)->plist_out.name
 100 #define PREFIX_LIST_OUT(A)  (A)->plist_out.list
 101
 102   /* Time stamps. */
 103   struct timeval ts_spf;                /* SPF calculation time stamp. */
 104 };
 105
 106 #define OSPF6_AREA_ENABLE     0x01
 107 #define OSPF6_AREA_ACTIVE     0x02
 108 #define OSPF6_AREA_TRANSIT    0x04 /* TransitCapability */
 109 #define OSPF6_AREA_STUB       0x08
 110
 111 #define IS_AREA_ENABLED(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ENABLE))
 112 #define IS_AREA_ACTIVE(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ACTIVE))
 113 #define IS_AREA_TRANSIT(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_TRANSIT))
 114 #define IS_AREA_STUB(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_STUB))
 115
 116 /* prototypes */
 117 extern int ospf6_area_cmp (void *va, void *vb);
 118
 119 extern struct ospf6_area *ospf6_area_create (u_int32_t, struct ospf6 *);
 120 extern void ospf6_area_delete (struct ospf6_area *);
 121 extern struct ospf6_area *ospf6_area_lookup (u_int32_t, struct ospf6 *);
 122
 123 extern void ospf6_area_enable (struct ospf6_area *);
 124 extern void ospf6_area_disable (struct ospf6_area *);
 125
 126 extern void ospf6_area_show (struct vty *, struct ospf6_area *);
 127
 128 extern void ospf6_area_config_write (struct vty *vty);
 129 extern void ospf6_area_init (void);
 130
 131 #endif /* OSPF_AREA_H */