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718e3744 | 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 | ||
00d252cb | 21 | #ifndef _QUAGGA_BGP_NEXTHOP_H |
22 | #define _QUAGGA_BGP_NEXTHOP_H | |
23 | ||
5304cb52 | 24 | #include "if.h" |
fb018d25 DS |
25 | #include "queue.h" |
26 | #include "prefix.h" | |
5304cb52 | 27 | |
718e3744 | 28 | /* BGP nexthop cache value structure. */ |
29 | struct bgp_nexthop_cache | |
30 | { | |
718e3744 | 31 | /* IGP route's metric. */ |
32 | u_int32_t metric; | |
33 | ||
34 | /* Nexthop number and nexthop linked list.*/ | |
35 | u_char nexthop_num; | |
36 | struct nexthop *nexthop; | |
fb018d25 DS |
37 | time_t last_update; |
38 | u_int16_t flags; | |
39 | ||
fc9a856f DS |
40 | #define BGP_NEXTHOP_VALID (1 << 0) |
41 | #define BGP_NEXTHOP_REGISTERED (1 << 1) | |
42 | #define BGP_NEXTHOP_CONNECTED (1 << 2) | |
43 | #define BGP_NEXTHOP_PEER_NOTIFIED (1 << 3) | |
fb018d25 DS |
44 | |
45 | u_int16_t change_flags; | |
46 | ||
fc9a856f DS |
47 | #define BGP_NEXTHOP_CHANGED (1 << 0) |
48 | #define BGP_NEXTHOP_METRIC_CHANGED (1 << 1) | |
49 | #define BGP_NEXTHOP_CONNECTED_CHANGED (1 << 2) | |
fb018d25 DS |
50 | |
51 | struct bgp_node *node; | |
fc9a856f | 52 | void *nht_info; /* In BGP, peer session */ |
fb018d25 DS |
53 | LIST_HEAD(path_list, bgp_info) paths; |
54 | unsigned int path_count; | |
75aead62 | 55 | struct bgp *bgp; |
718e3744 | 56 | }; |
57 | ||
94f2b392 | 58 | extern int bgp_nexthop_lookup (afi_t, struct peer *peer, struct bgp_info *, |
718e3744 | 59 | int *, int *); |
94f2b392 | 60 | extern void bgp_connected_add (struct connected *c); |
61 | extern void bgp_connected_delete (struct connected *c); | |
fc9a856f | 62 | extern int bgp_multiaccess_check_v4 (struct in_addr, struct peer *); |
94f2b392 | 63 | extern int bgp_config_write_scan_time (struct vty *); |
8e80bdf2 | 64 | extern int bgp_nexthop_onlink (afi_t, struct attr *); |
10f9bf3f JBD |
65 | extern int bgp_nexthop_self (struct attr *); |
66 | extern void bgp_address_init (void); | |
fb018d25 DS |
67 | extern struct bgp_nexthop_cache *bnc_new(); |
68 | extern void bnc_free(struct bgp_nexthop_cache *bnc); | |
69 | extern void bnc_nexthop_free(struct bgp_nexthop_cache *bnc); | |
70 | extern char *bnc_str(struct bgp_nexthop_cache *bnc, char *buf, int size); | |
00d252cb | 71 | |
72 | #endif /* _QUAGGA_BGP_NEXTHOP_H */ |