1/*
2 * OSPF AS Boundary Router functions.
3 * Copyright (C) 1999, 2000 Kunihiro Ishiguro, Toshiaki Takada
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 Free
19 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
20 * 02111-1307, USA.
21 */
22
23#ifndef _ZEBRA_OSPF_ASBR_H
24#define _ZEBRA_OSPF_ASBR_H
25
26struct route_map_set_values
27{
28  int32_t metric;
29  int32_t metric_type;
30};
31
32/* Redistributed external information. */
33struct external_info
34{
35  /* Type of source protocol. */
36  u_char type;
37
38  /* Prefix. */
39  struct prefix_ipv4 p;
40
41  /* Interface index. */
42  unsigned int ifindex;
43
44  /* Nexthop address. */
45  struct in_addr nexthop;
46
47  /* Additional Route tag. */
48  u_int32_t tag;
49
50  struct route_map_set_values route_map_set;
51#define ROUTEMAP_METRIC(E)      (E)->route_map_set.metric
52#define ROUTEMAP_METRIC_TYPE(E) (E)->route_map_set.metric_type
53};
54
55#define OSPF_ASBR_CHECK_DELAY 30
56
57extern void ospf_external_route_remove (struct ospf *, struct prefix_ipv4 *);
58extern struct external_info *ospf_external_info_new (u_char);
59extern void ospf_reset_route_map_set_values (struct route_map_set_values *);
60extern int ospf_route_map_set_compare (struct route_map_set_values *,
61				struct route_map_set_values *);
62extern struct external_info *ospf_external_info_add (u_char,
63                                              struct prefix_ipv4,
64					      unsigned int,
65					      struct in_addr);
66extern void ospf_external_info_delete (u_char, struct prefix_ipv4);
67extern struct external_info *ospf_external_info_lookup (u_char,
68                                                 struct prefix_ipv4 *);
69extern struct ospf_route *ospf_external_route_lookup (struct ospf *,
70                                               struct prefix_ipv4 *);
71extern void ospf_asbr_status_update (struct ospf *, u_char);
72
73extern void ospf_redistribute_withdraw (struct ospf *, u_char);
74extern void ospf_asbr_check (void);
75extern void ospf_schedule_asbr_check (void);
76extern void ospf_asbr_route_install_lsa (struct ospf_lsa *);
77extern struct ospf_lsa *ospf_external_info_find_lsa (struct ospf *,
78					      struct prefix_ipv4 *p);
79
80#endif /* _ZEBRA_OSPF_ASBR_H */
81