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         /* Reference to Top data structure */
  29         struct ospf6 *ospf6;
  30
  31         /* Area-ID */
  32         u_int32_t area_id;
  33
  34         /* Area-ID string */
  35         char name[16];
  36
  37         /* flag */
  38         u_char flag;
  39
  40         /* OSPF Option */
  41         u_char options[3];
  42
  43         /* Summary routes to be originated (includes Configured Address Ranges)
  44          */
  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                 char *name;
  70                 struct access_list *list;
  71         } _export;
  72 #define EXPORT_NAME(A)  (A)->_export.name
  73 #define EXPORT_LIST(A)  (A)->_export.list
  74
  75         /* Area acceptance list */
  76         struct {
  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                 char *name;
  86                 struct prefix_list *list;
  87         } plist_in;
  88 #define PREFIX_NAME_IN(A)  (A)->plist_in.name
  89 #define PREFIX_LIST_IN(A)  (A)->plist_in.list
  90
  91         struct {
  92                 char *name;
  93                 struct prefix_list *list;
  94         } plist_out;
  95 #define PREFIX_NAME_OUT(A)  (A)->plist_out.name
  96 #define PREFIX_LIST_OUT(A)  (A)->plist_out.list
  97
  98         /* Time stamps. */
  99         struct timeval ts_spf; /* SPF calculation time stamp. */
 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 IS_AREA_ENABLED(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ENABLE))
 108 #define IS_AREA_ACTIVE(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ACTIVE))
 109 #define IS_AREA_TRANSIT(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_TRANSIT))
 110 #define IS_AREA_STUB(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_STUB))
 111
 112 /* prototypes */
 113 extern int ospf6_area_cmp(void *va, void *vb);
 114
 115 extern struct ospf6_area *ospf6_area_create(u_int32_t, struct ospf6 *);
 116 extern void ospf6_area_delete(struct ospf6_area *);
 117 extern struct ospf6_area *ospf6_area_lookup(u_int32_t, struct ospf6 *);
 118
 119 extern void ospf6_area_enable(struct ospf6_area *);
 120 extern void ospf6_area_disable(struct ospf6_area *);
 121
 122 extern void ospf6_area_show(struct vty *, struct ospf6_area *);
 123
 124 extern void ospf6_area_config_write(struct vty *vty);
 125 extern void ospf6_area_init(void);
 126
 127 #endif /* OSPF_AREA_H */