]>
Commit | Line | Data |
---|---|---|
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 along | |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifndef _QUAGGA_BGP_NEXTHOP_H | |
22 | #define _QUAGGA_BGP_NEXTHOP_H | |
23 | ||
24 | #include "if.h" | |
25 | #include "queue.h" | |
26 | #include "prefix.h" | |
27 | ||
28 | #define NEXTHOP_FAMILY(nexthop_len) \ | |
29 | (((nexthop_len) == 4 || (nexthop_len) == 12 \ | |
30 | ? AF_INET \ | |
31 | : ((nexthop_len) == 16 || (nexthop_len) == 24 \ | |
32 | || (nexthop_len) == 32 \ | |
33 | || (nexthop_len) == 48 \ | |
34 | ? AF_INET6 \ | |
35 | : AF_UNSPEC))) | |
36 | ||
37 | #define BGP_MP_NEXTHOP_FAMILY NEXTHOP_FAMILY | |
38 | ||
39 | /* BGP nexthop cache value structure. */ | |
40 | struct bgp_nexthop_cache { | |
41 | /* IGP route's metric. */ | |
42 | uint32_t metric; | |
43 | ||
44 | /* Nexthop number and nexthop linked list.*/ | |
45 | uint8_t nexthop_num; | |
46 | struct nexthop *nexthop; | |
47 | time_t last_update; | |
48 | uint16_t flags; | |
49 | ||
50 | #define BGP_NEXTHOP_VALID (1 << 0) | |
51 | #define BGP_NEXTHOP_REGISTERED (1 << 1) | |
52 | #define BGP_NEXTHOP_CONNECTED (1 << 2) | |
53 | #define BGP_NEXTHOP_PEER_NOTIFIED (1 << 3) | |
54 | #define BGP_STATIC_ROUTE (1 << 4) | |
55 | #define BGP_STATIC_ROUTE_EXACT_MATCH (1 << 5) | |
56 | #define BGP_NEXTHOP_LABELED_VALID (1 << 6) | |
57 | ||
58 | uint16_t change_flags; | |
59 | ||
60 | #define BGP_NEXTHOP_CHANGED (1 << 0) | |
61 | #define BGP_NEXTHOP_METRIC_CHANGED (1 << 1) | |
62 | #define BGP_NEXTHOP_CONNECTED_CHANGED (1 << 2) | |
63 | ||
64 | struct bgp_node *node; | |
65 | void *nht_info; /* In BGP, peer session */ | |
66 | LIST_HEAD(path_list, bgp_path_info) paths; | |
67 | unsigned int path_count; | |
68 | struct bgp *bgp; | |
69 | }; | |
70 | ||
71 | /* Own tunnel-ip address structure */ | |
72 | struct tip_addr { | |
73 | struct in_addr addr; | |
74 | int refcnt; | |
75 | }; | |
76 | ||
77 | struct bgp_addrv6 { | |
78 | struct in6_addr addrv6; | |
79 | struct list *ifp_name_list; | |
80 | }; | |
81 | ||
82 | extern void bgp_connected_add(struct bgp *bgp, struct connected *c); | |
83 | extern void bgp_connected_delete(struct bgp *bgp, struct connected *c); | |
84 | extern int bgp_subgrp_multiaccess_check_v4(struct in_addr nexthop, | |
85 | struct update_subgroup *subgrp); | |
86 | extern int bgp_subgrp_multiaccess_check_v6(struct in6_addr nexthop, | |
87 | struct update_subgroup *subgrp); | |
88 | extern int bgp_multiaccess_check_v4(struct in_addr nexthop, struct peer *peer); | |
89 | extern int bgp_multiaccess_check_v6(struct in6_addr nexthop, struct peer *peer); | |
90 | extern int bgp_config_write_scan_time(struct vty *); | |
91 | extern int bgp_nexthop_self(struct bgp *, struct in_addr); | |
92 | extern struct bgp_nexthop_cache *bnc_new(void); | |
93 | extern void bnc_free(struct bgp_nexthop_cache *bnc); | |
94 | extern void bnc_nexthop_free(struct bgp_nexthop_cache *bnc); | |
95 | extern char *bnc_str(struct bgp_nexthop_cache *bnc, char *buf, int size); | |
96 | extern void bgp_scan_init(struct bgp *bgp); | |
97 | extern void bgp_scan_finish(struct bgp *bgp); | |
98 | extern void bgp_scan_vty_init(void); | |
99 | extern void bgp_address_init(struct bgp *bgp); | |
100 | extern void bgp_address_destroy(struct bgp *bgp); | |
101 | extern void bgp_tip_add(struct bgp *bgp, struct in_addr *tip); | |
102 | extern void bgp_tip_del(struct bgp *bgp, struct in_addr *tip); | |
103 | extern void bgp_tip_hash_init(struct bgp *bgp); | |
104 | extern void bgp_tip_hash_destroy(struct bgp *bgp); | |
105 | ||
106 | extern void bgp_nexthop_show_address_hash(struct vty *vty, struct bgp *bgp); | |
107 | #endif /* _QUAGGA_BGP_NEXTHOP_H */ |