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