| /* |
| * 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 -1U |
| }; |
| |
| /* Prototypes. */ |
| extern struct ospf_area_range *ospf_area_range_lookup (struct ospf_area *, |
| struct prefix_ipv4 *); |
| |
| extern struct ospf_area_range *ospf_some_area_range_match (struct prefix_ipv4 |
| *); |
| |
| extern struct ospf_area_range *ospf_area_range_lookup_next (struct ospf_area |
| *, |
| struct in_addr *, |
| int); |
| |
| extern int ospf_area_range_set (struct ospf *, struct in_addr, |
| struct prefix_ipv4 *, int); |
| extern int ospf_area_range_cost_set (struct ospf *, struct in_addr, |
| struct prefix_ipv4 *, u_int32_t); |
| extern int ospf_area_range_unset (struct ospf *, struct in_addr, |
| struct prefix_ipv4 *); |
| extern int ospf_area_range_substitute_set (struct ospf *, struct in_addr, |
| struct prefix_ipv4 *, |
| struct prefix_ipv4 *); |
| extern int ospf_area_range_substitute_unset (struct ospf *, struct in_addr, |
| struct prefix_ipv4 *); |
| extern struct ospf_area_range *ospf_area_range_match_any (struct ospf *, |
| struct prefix_ipv4 |
| *); |
| extern int ospf_area_range_active (struct ospf_area_range *); |
| extern int ospf_act_bb_connection (struct ospf *); |
| |
| extern void ospf_check_abr_status (struct ospf *); |
| extern void ospf_abr_task (struct ospf *); |
| extern void ospf_schedule_abr_task (struct ospf *); |
| |
| #endif /* _ZEBRA_OSPF_ABR_H */ |