ospf6d/ospf6_area.h

   1 /*
   2  * OSPF6 Area Data Structure
   3  * Copyright (C) 1999 Yasuhiro Ohara
   4  *
   5  * This file is part of GNU Zebra.
   6  *
   7  * GNU Zebra is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2, or (at your option) any
  10  * later version.
  11  *
  12  * GNU Zebra is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with GNU Zebra; see the file COPYING.  If not, write to the
  19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20  * Boston, MA 02111-1307, USA.
  21  */
  22
  23 #ifndef OSPF_AREA_H
  24 #define OSPF_AREA_H
  25
  26 /* This file defines area parameters and data structures. */
  27
  28 #define OSPF6_AREA_RANGE_ADVERTISE     0
  29 #define OSPF6_AREA_RANGE_NOT_ADVERTISE 1
  30
  31 #include "ospf6_spf.h"
  32 #include "ospf6_top.h"
  33
  34 struct ospf6_area
  35 {
  36   char            str[16];
  37
  38   struct ospf6   *ospf6;      /* back pointer */
  39   u_int32_t       area_id;
  40   u_char          options[3]; /* OSPF Option including ExternalCapability */
  41
  42   list            if_list; /* OSPF interface to this area */
  43
  44   struct ospf6_lsdb *lsdb;
  45
  46   struct thread  *spf_calc;
  47   struct thread  *route_calc;
  48   int             stat_spf_execed;
  49   int             stat_route_execed;
  50
  51   struct route_table *table; /* new route table */
  52
  53   struct prefix_ipv6 area_range;
  54   struct ospf6_spftree *spf_tree;
  55
  56   struct ospf6_route_table *route_table;
  57   struct ospf6_route_table *table_topology;
  58
  59   void (*foreach_if)  (struct ospf6_area *, void *, int,
  60                        void (*func) (void *, int, void *));
  61   void (*foreach_nei) (struct ospf6_area *, void *, int,
  62                        void (*func) (void *, int, void *));
  63
  64   struct thread *maxage_remover;
  65
  66   struct thread *thread_router_lsa;
  67 };
  68
  69
  70 /* prototypes */
  71
  72 int
  73 ospf6_area_count_neighbor_in_state (u_char state, struct ospf6_area *o6a);
  74
  75 void
  76 ospf6_area_schedule_maxage_remover (void *arg, int val, void *obj);
  77
  78 int ospf6_area_is_stub (struct ospf6_area *o6a);
  79 int ospf6_area_is_transit (struct ospf6_area *o6a);
  80 struct ospf6_area *ospf6_area_lookup (u_int32_t, struct ospf6 *);
  81 struct ospf6_area *ospf6_area_create (u_int32_t);
  82 void ospf6_area_delete (struct ospf6_area *);
  83 void ospf6_area_show (struct vty *, struct ospf6_area *);
  84 void
  85 ospf6_area_statistics_show (struct vty *vty, struct ospf6_area *o6a);
  86
  87 void ospf6_area_init ();
  88
  89 #endif /* OSPF_AREA_H */
  90