projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| 718e3744 | 1 | /* BGP Extended Communities Attribute. |
| 2 | Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org> | |
| 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_ECOMMUNITY_H |
| 22 | #define _QUAGGA_BGP_ECOMMUNITY_H | |
| 23 | ||
| 718e3744 | 24 | /* High-order octet of the Extended Communities type field. */ |
| 25 | #define ECOMMUNITY_ENCODE_AS 0x00 | |
| 26 | #define ECOMMUNITY_ENCODE_IP 0x01 | |
| 0b2aa3a0 | 27 | #define ECOMMUNITY_ENCODE_AS4 0x02 |
| 0014c301 | 28 | #define ECOMMUNITY_ENCODE_OPAQUE 0x03 |
| 718e3744 | 29 | |
| 0014c301 | 30 | /* Low-order octet of the Extended Communities type field. */ |
| 718e3744 | 31 | #define ECOMMUNITY_ROUTE_TARGET 0x02 |
| 32 | #define ECOMMUNITY_SITE_ORIGIN 0x03 | |
| 33 | ||
| 0014c301 LB |
34 | /* Low-order octet of the Extended Communities type field for OPAQUE types */ |
| 35 | #define ECOMMUNITY_OPAQUE_SUBTYPE_ENCAP 0x0c | |
| 36 | ||
| 718e3744 | 37 | /* Extended communities attribute string format. */ |
| 38 | #define ECOMMUNITY_FORMAT_ROUTE_MAP 0 | |
| 39 | #define ECOMMUNITY_FORMAT_COMMUNITY_LIST 1 | |
| 40 | #define ECOMMUNITY_FORMAT_DISPLAY 2 | |
| 41 | ||
| 42 | /* Extended Communities value is eight octet long. */ | |
| 43 | #define ECOMMUNITY_SIZE 8 | |
| 44 | ||
| 4372df71 | 45 | /* Extended Communities type flag. */ |
| 46 | #define ECOMMUNITY_FLAG_NON_TRANSITIVE 0x40 | |
| 47 | ||
| 718e3744 | 48 | /* Extended Communities attribute. */ |
| 49 | struct ecommunity | |
| 50 | { | |
| 51 | /* Reference counter. */ | |
| 52 | unsigned long refcnt; | |
| 53 | ||
| 54 | /* Size of Extended Communities attribute. */ | |
| 55 | int size; | |
| 56 | ||
| 57 | /* Extended Communities value. */ | |
| 5228ad27 | 58 | u_int8_t *val; |
| 718e3744 | 59 | |
| 60 | /* Human readable format string. */ | |
| 61 | char *str; | |
| 62 | }; | |
| 63 | ||
| 64 | /* Extended community value is eight octet. */ | |
| 65 | struct ecommunity_val | |
| 66 | { | |
| 67 | char val[ECOMMUNITY_SIZE]; | |
| 68 | }; | |
| 69 | ||
| 70 | #define ecom_length(X) ((X)->size * ECOMMUNITY_SIZE) | |
| 71 | ||
| 94f2b392 | 72 | extern void ecommunity_init (void); |
| 228da428 | 73 | extern void ecommunity_finish (void); |
| f6f434b2 | 74 | extern void ecommunity_free (struct ecommunity **); |
| 94f2b392 | 75 | extern struct ecommunity *ecommunity_parse (u_int8_t *, u_short); |
| 76 | extern struct ecommunity *ecommunity_dup (struct ecommunity *); | |
| 77 | extern struct ecommunity *ecommunity_merge (struct ecommunity *, struct ecommunity *); | |
| 0b597ef0 | 78 | extern struct ecommunity *ecommunity_uniq_sort (struct ecommunity *); |
| 94f2b392 | 79 | extern struct ecommunity *ecommunity_intern (struct ecommunity *); |
| ffe11cfb | 80 | extern int ecommunity_cmp (const void *, const void *); |
| f6f434b2 | 81 | extern void ecommunity_unintern (struct ecommunity **); |
| 0b2aa3a0 | 82 | extern unsigned int ecommunity_hash_make (void *); |
| 94f2b392 | 83 | extern struct ecommunity *ecommunity_str2com (const char *, int, int); |
| 84 | extern char *ecommunity_ecom2str (struct ecommunity *, int); | |
| 85 | extern int ecommunity_match (const struct ecommunity *, const struct ecommunity *); | |
| 86 | extern char *ecommunity_str (struct ecommunity *); | |
| 00d252cb | 87 | |
| 88 | #endif /* _QUAGGA_BGP_ECOMMUNITY_H */ |