1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/* Community attribute related functions.
* Copyright (C) 1998 Kunihiro Ishiguro
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _QUAGGA_BGP_COMMUNITY_H
#define _QUAGGA_BGP_COMMUNITY_H
#include "lib/json.h"
#include "bgpd/bgp_route.h"
/* Communities attribute. */
struct community {
/* Reference count of communities value. */
unsigned long refcnt;
/* Communities value size. */
int size;
/* Communities value. */
uint32_t *val;
/* Communities as a json object */
json_object *json;
/* String of community attribute. This sring is used by vty output
and expanded community-list for regular expression match. */
char *str;
};
/* Well-known communities value. */
#define COMMUNITY_INTERNET 0x0
#define COMMUNITY_GSHUT 0xFFFF0000
#define COMMUNITY_ACCEPT_OWN 0xFFFF0001
#define COMMUNITY_ROUTE_FILTER_TRANSLATED_v4 0xFFFF0002
#define COMMUNITY_ROUTE_FILTER_v4 0xFFFF0003
#define COMMUNITY_ROUTE_FILTER_TRANSLATED_v6 0xFFFF0004
#define COMMUNITY_ROUTE_FILTER_v6 0xFFFF0005
#define COMMUNITY_LLGR_STALE 0xFFFF0006
#define COMMUNITY_NO_LLGR 0xFFFF0007
#define COMMUNITY_ACCEPT_OWN_NEXTHOP 0xFFFF0008
#define COMMUNITY_BLACKHOLE 0xFFFF029A
#define COMMUNITY_NO_EXPORT 0xFFFFFF01
#define COMMUNITY_NO_ADVERTISE 0xFFFFFF02
#define COMMUNITY_NO_EXPORT_SUBCONFED 0xFFFFFF03
#define COMMUNITY_LOCAL_AS 0xFFFFFF03
#define COMMUNITY_NO_PEER 0xFFFFFF04
/* Macros of community attribute. */
#define com_length(X) ((X)->size * 4)
#define com_lastval(X) ((X)->val + (X)->size - 1)
#define com_nthval(X,n) ((X)->val + (n))
/* Prototypes of communities attribute functions. */
extern void community_init(void);
extern void community_finish(void);
extern void community_free(struct community **comm);
extern struct community *community_uniq_sort(struct community *);
extern struct community *community_parse(uint32_t *, unsigned short);
extern struct community *community_intern(struct community *);
extern void community_unintern(struct community **);
extern char *community_str(struct community *, bool make_json);
extern unsigned int community_hash_make(const struct community *);
extern struct community *community_str2com(const char *);
extern int community_match(const struct community *, const struct community *);
extern bool community_cmp(const struct community *c1,
const struct community *c2);
extern struct community *community_merge(struct community *,
struct community *);
extern struct community *community_delete(struct community *,
struct community *);
extern struct community *community_dup(struct community *);
extern int community_include(struct community *, uint32_t);
extern void community_del_val(struct community *, uint32_t *);
extern unsigned long community_count(void);
extern struct hash *community_hash(void);
extern uint32_t community_val_get(struct community *com, int i);
extern void bgp_compute_aggregate_community(struct bgp_aggregate *aggregate,
struct community *community);
extern void bgp_remove_community_from_aggregate(struct bgp_aggregate *aggregate,
struct community *community);
extern void bgp_aggr_community_remove(void *arg);
#endif /* _QUAGGA_BGP_COMMUNITY_H */
|
