1/* BGP nexthop scan
2   Copyright (C) 2000 Kunihiro Ishiguro
3
4This file is part of GNU Zebra.
5
6GNU Zebra is free software; you can redistribute it and/or modify it
7under the terms of the GNU General Public License as published by the
8Free Software Foundation; either version 2, or (at your option) any
9later version.
10
11GNU Zebra is distributed in the hope that it will be useful, but
12WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GNU Zebra; see the file COPYING.  If not, write to the Free
18Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
1902111-1307, USA.  */
20
21#ifndef _QUAGGA_BGP_NEXTHOP_H
22#define _QUAGGA_BGP_NEXTHOP_H
23
24#include "if.h"
25
26#define BGP_SCAN_INTERVAL_DEFAULT   60
27#define BGP_IMPORT_INTERVAL_DEFAULT 15
28
29/* BGP nexthop cache value structure. */
30struct bgp_nexthop_cache
31{
32  /* This nexthop exists in IGP. */
33  u_char valid;
34
35  /* Nexthop is changed. */
36  u_char changed;
37
38  /* Nexthop is changed. */
39  u_char metricchanged;
40
41  /* IGP route's metric. */
42  u_int32_t metric;
43
44  /* Nexthop number and nexthop linked list.*/
45  u_char nexthop_num;
46  struct nexthop *nexthop;
47};
48
49extern void bgp_scan_init (void);
50extern void bgp_scan_finish (void);
51extern int bgp_nexthop_lookup (afi_t, struct peer *peer, struct bgp_info *,
52			int *, int *);
53extern void bgp_connected_add (struct connected *c);
54extern void bgp_connected_delete (struct connected *c);
55extern int bgp_multiaccess_check_v4 (struct in_addr, char *);
56extern int bgp_config_write_scan_time (struct vty *);
57extern int bgp_nexthop_onlink (afi_t, struct attr *);
58extern int bgp_nexthop_self (struct attr *);
59extern void bgp_address_init (void);
60
61#endif /* _QUAGGA_BGP_NEXTHOP_H */
62