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/*
* OSPF AS Boundary Router functions.
* Copyright (C) 1999, 2000 Kunihiro Ishiguro, Toshiaki Takada
*
* 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 this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _ZEBRA_OSPF_ASBR_H
#define _ZEBRA_OSPF_ASBR_H
struct route_map_set_values {
int32_t metric;
int32_t metric_type;
};
/* Redistributed external information. */
struct external_info {
/* Type of source protocol. */
u_char type;
u_short instance;
/* Prefix. */
struct prefix_ipv4 p;
/* Interface index. */
ifindex_t ifindex;
/* Nexthop address. */
struct in_addr nexthop;
/* Additional Route tag. */
route_tag_t tag;
struct route_map_set_values route_map_set;
#define ROUTEMAP_METRIC(E) (E)->route_map_set.metric
#define ROUTEMAP_METRIC_TYPE(E) (E)->route_map_set.metric_type
};
#define OSPF_ASBR_CHECK_DELAY 30
extern void ospf_external_route_remove(struct ospf *, struct prefix_ipv4 *);
extern struct external_info *ospf_external_info_new(u_char, u_short);
extern void ospf_reset_route_map_set_values(struct route_map_set_values *);
extern int ospf_route_map_set_compare(struct route_map_set_values *,
struct route_map_set_values *);
extern struct external_info *ospf_external_info_add(struct ospf *, u_char,
u_short, struct prefix_ipv4,
ifindex_t, struct in_addr,
route_tag_t);
extern void ospf_external_info_delete(struct ospf *, u_char, u_short,
struct prefix_ipv4);
extern struct external_info *
ospf_external_info_lookup(struct ospf *, u_char, u_short, struct prefix_ipv4 *);
extern struct ospf_route *ospf_external_route_lookup(struct ospf *,
struct prefix_ipv4 *);
extern void ospf_asbr_status_update(struct ospf *, u_char);
extern void ospf_redistribute_withdraw(struct ospf *, u_char, u_short);
extern void ospf_asbr_check(void);
extern void ospf_schedule_asbr_check(void);
extern void ospf_asbr_route_install_lsa(struct ospf_lsa *);
extern struct ospf_lsa *ospf_external_info_find_lsa(struct ospf *,
struct prefix_ipv4 *p);
#endif /* _ZEBRA_OSPF_ASBR_H */
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