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 along
  17  * with this program; see the file COPYING; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #ifndef OSPF_AREA_H
  22 #define OSPF_AREA_H
  23
  24 #include "ospf6_top.h"
  25
  26 struct ospf6_area {
  27         /* Reference to Top data structure */
  28         struct ospf6 *ospf6;
  29
  30         /* Area-ID */
  31         uint32_t area_id;
  32
  33 #define OSPF6_AREA_FMT_DOTTEDQUAD 1
  34 #define OSPF6_AREA_FMT_DECIMAL    2
  35         /* Area-ID string */
  36         char name[16];
  37
  38         /* flag */
  39         uint8_t flag;
  40
  41         /* OSPF Option */
  42         uint8_t options[3];
  43
  44         /* Summary routes to be originated (includes Configured Address Ranges)
  45          */
  46         struct ospf6_route_table *range_table;
  47         struct ospf6_route_table *summary_prefix;
  48         struct ospf6_route_table *summary_router;
  49
  50         /* Area type */
  51         int no_summary;
  52
  53         /* Brouter traversal protection */
  54         int intra_brouter_calc;
  55
  56         /* OSPF interface list */
  57         struct list *if_list;
  58
  59         struct ospf6_lsdb *lsdb;
  60         struct ospf6_lsdb *lsdb_self;
  61         struct ospf6_lsdb *temp_router_lsa_lsdb;
  62
  63         struct ospf6_route_table *spf_table;
  64         struct ospf6_route_table *route_table;
  65
  66         uint32_t spf_calculation; /* SPF calculation count */
  67
  68         struct thread *thread_router_lsa;
  69         struct thread *thread_intra_prefix_lsa;
  70         uint32_t router_lsa_size_limit;
  71
  72         /* Area announce list */
  73         struct {
  74                 char *name;
  75                 struct access_list *list;
  76         } _export;
  77 #define EXPORT_NAME(A)  (A)->_export.name
  78 #define EXPORT_LIST(A)  (A)->_export.list
  79
  80         /* Area acceptance list */
  81         struct {
  82                 char *name;
  83                 struct access_list *list;
  84         } import;
  85 #define IMPORT_NAME(A)  (A)->import.name
  86 #define IMPORT_LIST(A)  (A)->import.list
  87
  88         /* Type 3 LSA Area prefix-list */
  89         struct {
  90                 char *name;
  91                 struct prefix_list *list;
  92         } plist_in;
  93 #define PREFIX_NAME_IN(A)  (A)->plist_in.name
  94 #define PREFIX_LIST_IN(A)  (A)->plist_in.list
  95
  96         struct {
  97                 char *name;
  98                 struct prefix_list *list;
  99         } plist_out;
 100 #define PREFIX_NAME_OUT(A)  (A)->plist_out.name
 101 #define PREFIX_LIST_OUT(A)  (A)->plist_out.list
 102
 103         /* Time stamps. */
 104         struct timeval ts_spf; /* SPF calculation time stamp. */
 105
 106         uint32_t full_nbrs; /* Fully adjacent neighbors. */
 107         uint8_t intra_prefix_originate; /* Force intra_prefix lsa originate */
 108 };
 109
 110 #define OSPF6_AREA_ENABLE     0x01
 111 #define OSPF6_AREA_ACTIVE     0x02
 112 #define OSPF6_AREA_TRANSIT    0x04 /* TransitCapability */
 113 #define OSPF6_AREA_STUB       0x08
 114
 115 #define IS_AREA_ENABLED(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ENABLE))
 116 #define IS_AREA_ACTIVE(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ACTIVE))
 117 #define IS_AREA_TRANSIT(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_TRANSIT))
 118 #define IS_AREA_STUB(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_STUB))
 119
 120 /* prototypes */
 121 extern int ospf6_area_cmp(void *va, void *vb);
 122
 123 extern struct ospf6_area *ospf6_area_create(uint32_t, struct ospf6 *, int);
 124 extern void ospf6_area_delete(struct ospf6_area *);
 125 extern struct ospf6_area *ospf6_area_lookup(uint32_t, struct ospf6 *);
 126
 127 extern void ospf6_area_enable(struct ospf6_area *);
 128 extern void ospf6_area_disable(struct ospf6_area *);
 129
 130 extern void ospf6_area_show(struct vty *, struct ospf6_area *);
 131
 132 extern void ospf6_area_plist_update(struct prefix_list *plist, int add);
 133 extern void ospf6_area_config_write(struct vty *vty);
 134 extern void ospf6_area_init(void);
 135 struct ospf6_interface;
 136 extern void ospf6_area_interface_delete(struct ospf6_interface *oi);
 137
 138 #endif /* OSPF_AREA_H */