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#define BGP_SCAN_INTERVAL_DEFAULT   60
22#define BGP_IMPORT_INTERVAL_DEFAULT 15
23
24/* BGP nexthop cache value structure. */
25struct bgp_nexthop_cache
26{
27  /* This nexthop exists in IGP. */
28  u_char valid;
29
30  /* Nexthop is changed. */
31  u_char changed;
32
33  /* Nexthop is changed. */
34  u_char metricchanged;
35
36  /* IGP route's metric. */
37  u_int32_t metric;
38
39  /* Nexthop number and nexthop linked list.*/
40  u_char nexthop_num;
41  struct nexthop *nexthop;
42};
43
44void bgp_scan_init ();
45int bgp_nexthop_lookup (afi_t, struct peer *peer, struct bgp_info *,
46			int *, int *);
47void bgp_connected_add (struct connected *c);
48void bgp_connected_delete (struct connected *c);
49int bgp_multiaccess_check_v4 (struct in_addr, char *);
50int bgp_config_write_scan_time (struct vty *);
51int bgp_nexthop_check_ebgp (afi_t, struct attr *);
52int bgp_nexthop_self (afi_t, struct attr *);
53