]>
git.proxmox.com Git - mirror_frr.git/blob - bgpd/bgp_community.h
1 /* Community attribute related functions.
2 * Copyright (C) 1998 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 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
21 #ifndef _QUAGGA_BGP_COMMUNITY_H
22 #define _QUAGGA_BGP_COMMUNITY_H
25 #include "bgpd/bgp_route.h"
27 /* Communities attribute. */
29 /* Reference count of communities value. */
32 /* Communities value size. */
35 /* Communities value. */
38 /* Communities as a json object */
41 /* String of community attribute. This sring is used by vty output
42 and expanded community-list for regular expression match. */
46 /* Well-known communities value. */
47 #define COMMUNITY_INTERNET 0x0
48 #define COMMUNITY_GSHUT 0xFFFF0000
49 #define COMMUNITY_ACCEPT_OWN 0xFFFF0001
50 #define COMMUNITY_ROUTE_FILTER_TRANSLATED_v4 0xFFFF0002
51 #define COMMUNITY_ROUTE_FILTER_v4 0xFFFF0003
52 #define COMMUNITY_ROUTE_FILTER_TRANSLATED_v6 0xFFFF0004
53 #define COMMUNITY_ROUTE_FILTER_v6 0xFFFF0005
54 #define COMMUNITY_LLGR_STALE 0xFFFF0006
55 #define COMMUNITY_NO_LLGR 0xFFFF0007
56 #define COMMUNITY_ACCEPT_OWN_NEXTHOP 0xFFFF0008
57 #define COMMUNITY_BLACKHOLE 0xFFFF029A
58 #define COMMUNITY_NO_EXPORT 0xFFFFFF01
59 #define COMMUNITY_NO_ADVERTISE 0xFFFFFF02
60 #define COMMUNITY_NO_EXPORT_SUBCONFED 0xFFFFFF03
61 #define COMMUNITY_LOCAL_AS 0xFFFFFF03
62 #define COMMUNITY_NO_PEER 0xFFFFFF04
64 #define COMMUNITY_SIZE 4
66 /* Macros of community attribute. */
67 #define com_length(X) ((X)->size * COMMUNITY_SIZE)
68 #define com_lastval(X) ((X)->val + (X)->size - 1)
69 #define com_nthval(X,n) ((X)->val + (n))
71 /* Prototypes of communities attribute functions. */
72 extern void community_init(void);
73 extern void community_finish(void);
74 extern void community_free(struct community
**comm
);
75 extern struct community
*community_uniq_sort(struct community
*);
76 extern struct community
*community_parse(uint32_t *, unsigned short);
77 extern struct community
*community_intern(struct community
*);
78 extern void community_unintern(struct community
**);
79 extern char *community_str(struct community
*, bool make_json
);
80 extern unsigned int community_hash_make(const struct community
*);
81 extern struct community
*community_str2com(const char *);
82 extern bool community_match(const struct community
*, const struct community
*);
83 extern bool community_cmp(const struct community
*c1
,
84 const struct community
*c2
);
85 extern struct community
*community_merge(struct community
*,
87 extern struct community
*community_delete(struct community
*,
89 extern struct community
*community_dup(struct community
*);
90 extern bool community_include(struct community
*, uint32_t);
91 extern void community_add_val(struct community
*com
, uint32_t val
);
92 extern void community_del_val(struct community
*, uint32_t *);
93 extern unsigned long community_count(void);
94 extern struct hash
*community_hash(void);
95 extern uint32_t community_val_get(struct community
*com
, int i
);
96 extern void bgp_compute_aggregate_community(struct bgp_aggregate
*aggregate
,
97 struct community
*community
);
99 extern void bgp_compute_aggregate_community_val(
100 struct bgp_aggregate
*aggregate
);
101 extern void bgp_compute_aggregate_community_hash(
102 struct bgp_aggregate
*aggregate
,
103 struct community
*community
);
104 extern void bgp_remove_community_from_aggregate(struct bgp_aggregate
*aggregate
,
105 struct community
*community
);
106 extern void bgp_remove_comm_from_aggregate_hash(struct bgp_aggregate
*aggregate
,
107 struct community
*community
);
108 extern void bgp_aggr_community_remove(void *arg
);
110 #endif /* _QUAGGA_BGP_COMMUNITY_H */