paul | 718e374 | 2002-12-13 20:15:29 +0000 | [diff] [blame^] | 1 | /* BGP nexthop scan |
| 2 | Copyright (C) 2000 Kunihiro Ishiguro |
| 3 | |
| 4 | This file is part of GNU Zebra. |
| 5 | |
| 6 | GNU Zebra is free software; you can redistribute it and/or modify it |
| 7 | under the terms of the GNU General Public License as published by the |
| 8 | Free Software Foundation; either version 2, or (at your option) any |
| 9 | later version. |
| 10 | |
| 11 | GNU Zebra is distributed in the hope that it will be useful, but |
| 12 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GNU Zebra; see the file COPYING. If not, write to the Free |
| 18 | Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
| 19 | 02111-1307, USA. */ |
| 20 | |
| 21 | #define BGP_SCAN_INTERVAL_DEFAULT 60 |
| 22 | #define BGP_IMPORT_INTERVAL_DEFAULT 15 |
| 23 | |
| 24 | /* BGP nexthop cache value structure. */ |
| 25 | struct 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 | |
| 44 | void bgp_scan_init (); |
| 45 | int bgp_nexthop_lookup (afi_t, struct peer *peer, struct bgp_info *, |
| 46 | int *, int *); |
| 47 | void bgp_connected_add (struct connected *c); |
| 48 | void bgp_connected_delete (struct connected *c); |
| 49 | int bgp_multiaccess_check_v4 (struct in_addr, char *); |
| 50 | int bgp_config_write_scan_time (struct vty *); |
| 51 | int bgp_nexthop_check_ebgp (afi_t, struct attr *); |
| 52 | int bgp_nexthop_self (afi_t, struct attr *); |