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11400e739e
Easier to maintain and read. Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
110 lines
4.4 KiB
C
110 lines
4.4 KiB
C
/* Community attribute related functions.
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* Copyright (C) 1998 Kunihiro Ishiguro
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _QUAGGA_BGP_COMMUNITY_H
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#define _QUAGGA_BGP_COMMUNITY_H
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#include "lib/json.h"
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#include "bgpd/bgp_route.h"
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/* Communities attribute. */
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struct community {
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/* Reference count of communities value. */
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unsigned long refcnt;
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/* Communities value size. */
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int size;
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/* Communities value. */
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uint32_t *val;
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/* Communities as a json object */
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json_object *json;
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/* String of community attribute. This sring is used by vty output
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and expanded community-list for regular expression match. */
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char *str;
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};
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/* Well-known communities value. */
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#define COMMUNITY_INTERNET 0x0
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#define COMMUNITY_GSHUT 0xFFFF0000
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#define COMMUNITY_ACCEPT_OWN 0xFFFF0001
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#define COMMUNITY_ROUTE_FILTER_TRANSLATED_v4 0xFFFF0002
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#define COMMUNITY_ROUTE_FILTER_v4 0xFFFF0003
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#define COMMUNITY_ROUTE_FILTER_TRANSLATED_v6 0xFFFF0004
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#define COMMUNITY_ROUTE_FILTER_v6 0xFFFF0005
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#define COMMUNITY_LLGR_STALE 0xFFFF0006
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#define COMMUNITY_NO_LLGR 0xFFFF0007
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#define COMMUNITY_ACCEPT_OWN_NEXTHOP 0xFFFF0008
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#define COMMUNITY_BLACKHOLE 0xFFFF029A
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#define COMMUNITY_NO_EXPORT 0xFFFFFF01
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#define COMMUNITY_NO_ADVERTISE 0xFFFFFF02
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#define COMMUNITY_NO_EXPORT_SUBCONFED 0xFFFFFF03
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#define COMMUNITY_LOCAL_AS 0xFFFFFF03
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#define COMMUNITY_NO_PEER 0xFFFFFF04
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#define COMMUNITY_SIZE 4
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/* Macros of community attribute. */
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#define com_length(X) ((X)->size * COMMUNITY_SIZE)
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#define com_lastval(X) ((X)->val + (X)->size - 1)
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#define com_nthval(X,n) ((X)->val + (n))
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/* Prototypes of communities attribute functions. */
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extern void community_init(void);
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extern void community_finish(void);
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extern void community_free(struct community **comm);
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extern struct community *community_uniq_sort(struct community *);
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extern struct community *community_parse(uint32_t *, unsigned short);
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extern struct community *community_intern(struct community *);
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extern void community_unintern(struct community **);
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extern char *community_str(struct community *, bool make_json);
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extern unsigned int community_hash_make(const struct community *);
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extern struct community *community_str2com(const char *);
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extern bool community_match(const struct community *, const struct community *);
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extern bool community_cmp(const struct community *c1,
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const struct community *c2);
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extern struct community *community_merge(struct community *,
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struct community *);
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extern struct community *community_delete(struct community *,
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struct community *);
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extern struct community *community_dup(struct community *);
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extern bool community_include(struct community *, uint32_t);
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extern void community_del_val(struct community *, uint32_t *);
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extern unsigned long community_count(void);
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extern struct hash *community_hash(void);
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extern uint32_t community_val_get(struct community *com, int i);
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extern void bgp_compute_aggregate_community(struct bgp_aggregate *aggregate,
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struct community *community);
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extern void bgp_compute_aggregate_community_val(
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struct bgp_aggregate *aggregate);
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extern void bgp_compute_aggregate_community_hash(
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struct bgp_aggregate *aggregate,
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struct community *community);
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extern void bgp_remove_community_from_aggregate(struct bgp_aggregate *aggregate,
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struct community *community);
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extern void bgp_remove_comm_from_aggregate_hash(struct bgp_aggregate *aggregate,
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struct community *community);
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extern void bgp_aggr_community_remove(void *arg);
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#endif /* _QUAGGA_BGP_COMMUNITY_H */
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