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 34struct 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 67 68/* prototypes */ 69 70int 71ospf6_area_count_neighbor_in_state (u_char state, struct ospf6_area *o6a); 72 73void 74ospf6_area_schedule_maxage_remover (void *arg, int val, void *obj); 75 76int ospf6_area_is_stub (struct ospf6_area *o6a); 77int ospf6_area_is_transit (struct ospf6_area *o6a); 78struct ospf6_area *ospf6_area_lookup (u_int32_t, struct ospf6 *); 79struct ospf6_area *ospf6_area_create (u_int32_t); 80void ospf6_area_delete (struct ospf6_area *); 81void ospf6_area_show (struct vty *, struct ospf6_area *); 82void 83ospf6_area_statistics_show (struct vty *vty, struct ospf6_area *o6a); 84 85void ospf6_area_init (); 86 87#endif /* OSPF_AREA_H */ 88 89