]>
Commit | Line | Data |
---|---|---|
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 | |
95b9c671 LB |
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 : \ | |
34 | AF_UNSPEC)) \ | |
35 | ) | |
36 | ||
65efcfce LB |
37 | #define BGP_MP_NEXTHOP_FAMILY NEXTHOP_FAMILY |
38 | ||
718e3744 | 39 | /* BGP nexthop cache value structure. */ |
40 | struct bgp_nexthop_cache | |
41 | { | |
718e3744 | 42 | /* IGP route's metric. */ |
43 | u_int32_t metric; | |
44 | ||
45 | /* Nexthop number and nexthop linked list.*/ | |
46 | u_char nexthop_num; | |
47 | struct nexthop *nexthop; | |
fb018d25 DS |
48 | time_t last_update; |
49 | u_int16_t flags; | |
50 | ||
fc9a856f DS |
51 | #define BGP_NEXTHOP_VALID (1 << 0) |
52 | #define BGP_NEXTHOP_REGISTERED (1 << 1) | |
53 | #define BGP_NEXTHOP_CONNECTED (1 << 2) | |
54 | #define BGP_NEXTHOP_PEER_NOTIFIED (1 << 3) | |
078430f6 DS |
55 | #define BGP_STATIC_ROUTE (1 << 4) |
56 | #define BGP_STATIC_ROUTE_EXACT_MATCH (1 << 5) | |
fb018d25 DS |
57 | |
58 | u_int16_t change_flags; | |
59 | ||
fc9a856f DS |
60 | #define BGP_NEXTHOP_CHANGED (1 << 0) |
61 | #define BGP_NEXTHOP_METRIC_CHANGED (1 << 1) | |
62 | #define BGP_NEXTHOP_CONNECTED_CHANGED (1 << 2) | |
fb018d25 DS |
63 | |
64 | struct bgp_node *node; | |
fc9a856f | 65 | void *nht_info; /* In BGP, peer session */ |
fb018d25 DS |
66 | LIST_HEAD(path_list, bgp_info) paths; |
67 | unsigned int path_count; | |
75aead62 | 68 | struct bgp *bgp; |
718e3744 | 69 | }; |
70 | ||
94f2b392 | 71 | extern int bgp_nexthop_lookup (afi_t, struct peer *peer, struct bgp_info *, |
718e3744 | 72 | int *, int *); |
6aeb9e78 DS |
73 | extern void bgp_connected_add (struct bgp *bgp, struct connected *c); |
74 | extern void bgp_connected_delete (struct bgp *bgp, struct connected *c); | |
fc9a856f | 75 | extern int bgp_multiaccess_check_v4 (struct in_addr, struct peer *); |
94f2b392 | 76 | extern int bgp_config_write_scan_time (struct vty *); |
6aeb9e78 | 77 | extern int bgp_nexthop_self (struct bgp *, struct attr *); |
ffd0c037 | 78 | extern struct bgp_nexthop_cache *bnc_new(void); |
fb018d25 DS |
79 | extern void bnc_free(struct bgp_nexthop_cache *bnc); |
80 | extern void bnc_nexthop_free(struct bgp_nexthop_cache *bnc); | |
81 | extern char *bnc_str(struct bgp_nexthop_cache *bnc, char *buf, int size); | |
6aeb9e78 DS |
82 | extern void bgp_scan_init(struct bgp *bgp); |
83 | extern void bgp_scan_finish(struct bgp *bgp); | |
ffd0c037 | 84 | extern void bgp_scan_vty_init(void); |
bb86c601 LB |
85 | extern void bgp_address_init (struct bgp *bgp); |
86 | extern void bgp_address_destroy (struct bgp *bgp); | |
00d252cb | 87 | |
88 | #endif /* _QUAGGA_BGP_NEXTHOP_H */ |