| Job Snijders | 3334bab | 2017-01-20 14:47:12 +0000 | [diff] [blame] | 1 | /* BGP Large Communities Attribute. |
| 2 | |
| 3 | Copyright (C) 2016 Keyur Patel <keyur@arrcus.com> |
| 4 | |
| 5 | This file is part of GNU Zebra. |
| 6 | |
| 7 | GNU Zebra is free software; you can redistribute it and/or modify it |
| 8 | under the terms of the GNU General Public License as published by the |
| 9 | Free Software Foundation; either version 2, or (at your option) any |
| 10 | later version. |
| 11 | |
| 12 | GNU Zebra is distributed in the hope that it will be useful, but |
| 13 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with GNU Zebra; see the file COPYING. If not, write to the Free |
| 19 | Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
| 20 | 02111-1307, USA. */ |
| 21 | |
| 22 | #ifndef _QUAGGA_BGP_LCOMMUNITY_H |
| 23 | #define _QUAGGA_BGP_LCOMMUNITY_H |
| 24 | |
| 25 | /* Extended communities attribute string format. */ |
| 26 | #define LCOMMUNITY_FORMAT_ROUTE_MAP 0 |
| 27 | #define LCOMMUNITY_FORMAT_COMMUNITY_LIST 1 |
| 28 | #define LCOMMUNITY_FORMAT_DISPLAY 2 |
| 29 | |
| 30 | /* Large Communities value is twelve octets long. */ |
| 31 | #define LCOMMUNITY_SIZE 12 |
| 32 | |
| 33 | /* Large Communities attribute. */ |
| 34 | struct lcommunity |
| 35 | { |
| 36 | /* Reference counter. */ |
| 37 | unsigned long refcnt; |
| 38 | |
| 39 | /* Size of Extended Communities attribute. */ |
| 40 | int size; |
| 41 | |
| 42 | /* Extended Communities value. */ |
| 43 | u_int8_t *val; |
| 44 | |
| 45 | /* Human readable format string. */ |
| 46 | char *str; |
| 47 | }; |
| 48 | |
| 49 | /* Extended community value is eight octet. */ |
| 50 | struct lcommunity_val |
| 51 | { |
| 52 | char val[LCOMMUNITY_SIZE]; |
| 53 | }; |
| 54 | |
| 55 | #define lcom_length(X) ((X)->size * LCOMMUNITY_SIZE) |
| 56 | |
| 57 | extern void lcommunity_init (void); |
| 58 | extern void lcommunity_finish (void); |
| 59 | extern void lcommunity_free (struct lcommunity **); |
| 60 | extern struct lcommunity *lcommunity_parse (u_int8_t *, u_short); |
| 61 | extern struct lcommunity *lcommunity_dup (struct lcommunity *); |
| 62 | extern struct lcommunity *lcommunity_merge (struct lcommunity *, struct lcommunity *); |
| 63 | extern struct lcommunity *lcommunity_uniq_sort (struct lcommunity *); |
| 64 | extern struct lcommunity *lcommunity_intern (struct lcommunity *); |
| 65 | extern int lcommunity_cmp (const void *, const void *); |
| 66 | extern void lcommunity_unintern (struct lcommunity **); |
| 67 | extern unsigned int lcommunity_hash_make (void *); |
| 68 | extern struct hash *lcommunity_hash (void); |
| 69 | extern struct lcommunity *lcommunity_str2com (const char *); |
| 70 | extern char *lcommunity_lcom2str (struct lcommunity *, int); |
| 71 | extern int lcommunity_match (const struct lcommunity *, const struct lcommunity *); |
| 72 | extern char *lcommunity_str (struct lcommunity *); |
| 73 | extern int lcommunity_include (struct lcommunity *lcom, u_char *ptr); |
| 74 | extern void lcommunity_del_val (struct lcommunity *lcom, u_char *ptr); |
| 75 | #endif /* _QUAGGA_BGP_LCOMMUNITY_H */ |