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Diffstat (limited to '')
-rw-r--r-- | bgpd/bgp_lcommunity.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/bgpd/bgp_lcommunity.h b/bgpd/bgp_lcommunity.h new file mode 100644 index 0000000..b9b5fe3 --- /dev/null +++ b/bgpd/bgp_lcommunity.h @@ -0,0 +1,95 @@ +/* BGP Large Communities Attribute. + * + * Copyright (C) 2016 Keyur Patel <keyur@arrcus.com> + * + * This file is part of FRRouting (FRR). + * + * FRR 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. + * + * FRR 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_LCOMMUNITY_H +#define _QUAGGA_BGP_LCOMMUNITY_H + +#include "lib/json.h" +#include "bgpd/bgp_route.h" +#include "bgpd/bgp_clist.h" + +/* Large Communities value is twelve octets long. */ +#define LCOMMUNITY_SIZE 12 + +/* Large Communities attribute. */ +struct lcommunity { + /* Reference counter. */ + unsigned long refcnt; + + /* Size of Extended Communities attribute. */ + int size; + + /* Large Communities value. */ + uint8_t *val; + + /* Large Communities as a json object */ + json_object *json; + + /* Human readable format string. */ + char *str; +}; + +/* Large community value is 12 octets. */ +struct lcommunity_val { + char val[LCOMMUNITY_SIZE]; +}; + +#define lcom_length(X) ((X)->size * LCOMMUNITY_SIZE) + +extern void lcommunity_init(void); +extern void lcommunity_finish(void); +extern void lcommunity_free(struct lcommunity **); +extern struct lcommunity *lcommunity_parse(uint8_t *, unsigned short); +extern struct lcommunity *lcommunity_dup(struct lcommunity *); +extern struct lcommunity *lcommunity_merge(struct lcommunity *, + struct lcommunity *); +extern struct lcommunity *lcommunity_uniq_sort(struct lcommunity *); +extern struct lcommunity *lcommunity_intern(struct lcommunity *); +extern bool lcommunity_cmp(const void *arg1, const void *arg2); +extern void lcommunity_unintern(struct lcommunity **); +extern unsigned int lcommunity_hash_make(const void *); +extern struct hash *lcommunity_hash(void); +extern struct lcommunity *lcommunity_str2com(const char *); +extern bool lcommunity_match(const struct lcommunity *, + const struct lcommunity *); +extern char *lcommunity_str(struct lcommunity *, bool make_json, + bool translate_alias); +extern bool lcommunity_include(struct lcommunity *lcom, uint8_t *ptr); +extern void lcommunity_del_val(struct lcommunity *lcom, uint8_t *ptr); + +extern void bgp_compute_aggregate_lcommunity( + struct bgp_aggregate *aggregate, + struct lcommunity *lcommunity); + +extern void bgp_compute_aggregate_lcommunity_hash( + struct bgp_aggregate *aggregate, + struct lcommunity *lcommunity); +extern void bgp_compute_aggregate_lcommunity_val( + struct bgp_aggregate *aggregate); + +extern void bgp_remove_lcommunity_from_aggregate( + struct bgp_aggregate *aggregate, + struct lcommunity *lcommunity); +extern void bgp_remove_lcomm_from_aggregate_hash( + struct bgp_aggregate *aggregate, + struct lcommunity *lcommunity); +extern void bgp_aggr_lcommunity_remove(void *arg); + +#endif /* _QUAGGA_BGP_LCOMMUNITY_H */ |