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1 /* BGP Extended Communities Attribute.
2 Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
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
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
21 #ifndef _QUAGGA_BGP_ECOMMUNITY_H
22 #define _QUAGGA_BGP_ECOMMUNITY_H
24 /* High-order octet of the Extended Communities type field. */
25 #define ECOMMUNITY_ENCODE_AS 0x00
26 #define ECOMMUNITY_ENCODE_IP 0x01
27 #define ECOMMUNITY_ENCODE_AS4 0x02
28 #define ECOMMUNITY_ENCODE_OPAQUE 0x03
29 #define ECOMMUNITY_ENCODE_EVPN 0x06
31 /* Low-order octet of the Extended Communities type field. */
32 #define ECOMMUNITY_ROUTE_TARGET 0x02
33 #define ECOMMUNITY_SITE_ORIGIN 0x03
35 #define ECOMMUNITY_EVPN_SUBTYPE_MACMOBILITY 0x00
36 #define ECOMMUNITY_EVPN_SUBTYPE_ESI_LABEL 0x01
37 #define ECOMMUNITY_EVPN_SUBTYPE_ES_IMPORT_RT 0x02
38 #define ECOMMUNITY_EVPN_SUBTYPE_ROUTERMAC 0x03
39 #define ECOMMUNITY_EVPN_SUBTYPE_DEF_GW 0x0d
41 /* Low-order octet of the Extended Communities type field for OPAQUE types */
42 #define ECOMMUNITY_OPAQUE_SUBTYPE_ENCAP 0x0c
44 /* Extended communities attribute string format. */
45 #define ECOMMUNITY_FORMAT_ROUTE_MAP 0
46 #define ECOMMUNITY_FORMAT_COMMUNITY_LIST 1
47 #define ECOMMUNITY_FORMAT_DISPLAY 2
49 /* Extended Communities value is eight octet long. */
50 #define ECOMMUNITY_SIZE 8
52 /* Extended Communities type flag. */
53 #define ECOMMUNITY_FLAG_NON_TRANSITIVE 0x40
55 /* Extended Communities attribute. */
58 /* Reference counter. */
61 /* Size of Extended Communities attribute. */
64 /* Extended Communities value. */
67 /* Human readable format string. */
71 /* Extended community value is eight octet. */
74 char val
[ECOMMUNITY_SIZE
];
77 #define ecom_length(X) ((X)->size * ECOMMUNITY_SIZE)
79 extern void ecommunity_init (void);
80 extern void ecommunity_finish (void);
81 extern void ecommunity_free (struct ecommunity
**);
82 extern struct ecommunity
*ecommunity_parse (u_int8_t
*, u_short
);
83 extern struct ecommunity
*ecommunity_dup (struct ecommunity
*);
84 extern struct ecommunity
*ecommunity_merge (struct ecommunity
*, struct ecommunity
*);
85 extern struct ecommunity
*ecommunity_uniq_sort (struct ecommunity
*);
86 extern struct ecommunity
*ecommunity_intern (struct ecommunity
*);
87 extern int ecommunity_cmp (const void *, const void *);
88 extern void ecommunity_unintern (struct ecommunity
**);
89 extern unsigned int ecommunity_hash_make (void *);
90 extern struct ecommunity
*ecommunity_str2com (const char *, int, int);
91 extern char *ecommunity_ecom2str (struct ecommunity
*, int, int);
92 extern int ecommunity_match (const struct ecommunity
*, const struct ecommunity
*);
93 extern char *ecommunity_str (struct ecommunity
*);
94 extern struct ecommunity_val
*ecommunity_lookup (const struct ecommunity
*, uint8_t, uint8_t );
95 extern int ecommunity_add_val (struct ecommunity
*ecom
, struct ecommunity_val
*eval
);
98 extern struct ecommunity
*ecommunity_new (void);
99 extern int ecommunity_add_val (struct ecommunity
*, struct ecommunity_val
*);
100 extern int ecommunity_strip (struct ecommunity
*ecom
, uint8_t type
, uint8_t subtype
);
101 extern struct ecommunity
*ecommunity_new (void);
102 #endif /* _QUAGGA_BGP_ECOMMUNITY_H */