2 Copyright (C) 2000 Kunihiro Ishiguro
4 This file is part of GNU Zebra.
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
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.
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
21 #ifndef _QUAGGA_BGP_NEXTHOP_H
22 #define _QUAGGA_BGP_NEXTHOP_H
28 #define NEXTHOP_FAMILY(nexthop_len) ( \
29 ((nexthop_len) == 4 || \
30 (nexthop_len) == 12 ? AF_INET : \
31 ((nexthop_len) == 16 || \
32 (nexthop_len) == 24 || \
33 (nexthop_len) == 48 ? AF_INET6 : \
37 /* BGP nexthop cache value structure. */
38 struct bgp_nexthop_cache
40 /* IGP route's metric. */
43 /* Nexthop number and nexthop linked list.*/
45 struct nexthop *nexthop;
49 #define BGP_NEXTHOP_VALID (1 << 0)
50 #define BGP_NEXTHOP_REGISTERED (1 << 1)
51 #define BGP_NEXTHOP_CONNECTED (1 << 2)
52 #define BGP_NEXTHOP_PEER_NOTIFIED (1 << 3)
54 u_int16_t change_flags;
56 #define BGP_NEXTHOP_CHANGED (1 << 0)
57 #define BGP_NEXTHOP_METRIC_CHANGED (1 << 1)
58 #define BGP_NEXTHOP_CONNECTED_CHANGED (1 << 2)
60 struct bgp_node *node;
61 void *nht_info; /* In BGP, peer session */
62 LIST_HEAD(path_list, bgp_info) paths;
63 unsigned int path_count;
66 extern int bgp_nexthop_lookup (afi_t, struct peer *peer, struct bgp_info *,
68 extern void bgp_connected_add (struct connected *c);
69 extern void bgp_connected_delete (struct connected *c);
70 extern int bgp_multiaccess_check_v4 (struct in_addr, struct peer *);
71 extern int bgp_config_write_scan_time (struct vty *);
72 extern int bgp_nexthop_onlink (afi_t, struct attr *);
73 extern int bgp_nexthop_self (struct attr *);
74 extern void bgp_address_init (void);
75 extern void bgp_address_destroy (void);
76 extern void bgp_scan_destroy (void);
77 extern struct bgp_nexthop_cache *bnc_new(void);
78 extern void bnc_free(struct bgp_nexthop_cache *bnc);
79 extern void bnc_nexthop_free(struct bgp_nexthop_cache *bnc);
80 extern char *bnc_str(struct bgp_nexthop_cache *bnc, char *buf, int size);
82 extern void bgp_scan_init (void);
83 extern void bgp_scan_vty_init (void);
84 #endif /* _QUAGGA_BGP_NEXTHOP_H */