ospf_abr.h
上传用户:xiaozhuqw
上传日期:2009-11-15
资源大小:1338k
文件大小:3k
- /*
- * OSPF ABR functions.
- * Copyright (C) 1999 Alex Zinin
- *
- * This file is part of GNU Zebra.
- *
- * GNU Zebra is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * GNU Zebra is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Zebra; see the file COPYING. If not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
- */
- #ifndef _ZEBRA_OSPF_ABR_H
- #define _ZEBRA_OSPF_ABR_H
- #define OSPF_ABR_TASK_DELAY 7
- #define OSPF_AREA_RANGE_ADVERTISE (1 << 0)
- #define OSPF_AREA_RANGE_SUBSTITUTE (1 << 1)
- /* Area range. */
- struct ospf_area_range
- {
- /* Area range address. */
- struct in_addr addr;
- /* Area range masklen. */
- u_char masklen;
- /* Flags. */
- u_char flags;
- /* Number of more specific prefixes. */
- int specifics;
- /* Addr and masklen to substitute. */
- struct in_addr subst_addr;
- u_char subst_masklen;
- /* Range cost. */
- u_int32_t cost;
- /* Configured range cost. */
- u_int32_t cost_config;
- #define OSPF_AREA_RANGE_COST_UNSPEC -1
- };
- /* Prototypes. */
- struct ospf_area_range *ospf_area_range_lookup (struct ospf_area *,
- struct prefix_ipv4 *);
- struct ospf_area_range *ospf_some_area_range_match (struct prefix_ipv4 *);
- struct ospf_area_range *ospf_area_range_lookup_next (struct ospf_area *,
- struct in_addr *, int);
- int ospf_area_range_set (struct ospf *, struct in_addr, struct prefix_ipv4 *,
- int);
- int ospf_area_range_cost_set (struct ospf *, struct in_addr,
- struct prefix_ipv4 *, u_int32_t);
- int ospf_area_range_unset (struct ospf *, struct in_addr,
- struct prefix_ipv4 *);
- int ospf_area_range_substitute_set (struct ospf *, struct in_addr,
- struct prefix_ipv4 *,
- struct prefix_ipv4 *);
- int ospf_area_range_substitute_unset (struct ospf *, struct in_addr,
- struct prefix_ipv4 *);
- struct ospf_area_range *ospf_area_range_match_any (struct ospf *,
- struct prefix_ipv4 *);
- int ospf_area_range_active (struct ospf_area_range *);
- int ospf_act_bb_connection (struct ospf *);
- void ospf_check_abr_status (struct ospf *);
- void ospf_abr_task (struct ospf *);
- void ospf_schedule_abr_task (struct ospf *);
- #endif /* _ZEBRA_OSPF_ABR_H */