2 * Copyright (C) 1999 Kunihiro Ishiguro
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 along
17 * with this program; see the file COPYING; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef _QUAGGA_BGP_CLIST_H
22 #define _QUAGGA_BGP_CLIST_H
26 /* Master Community-list. */
27 #define COMMUNITY_LIST_MASTER 0
28 #define EXTCOMMUNITY_LIST_MASTER 1
29 #define LARGE_COMMUNITY_LIST_MASTER 2
31 /* Community-list deny and permit. */
32 #define COMMUNITY_DENY 0
33 #define COMMUNITY_PERMIT 1
35 /* Number and string based community-list name. */
36 #define COMMUNITY_LIST_STRING 0
37 #define COMMUNITY_LIST_NUMBER 1
39 /* Community-list entry types. */
40 #define COMMUNITY_LIST_STANDARD 0 /* Standard community-list. */
41 #define COMMUNITY_LIST_EXPANDED 1 /* Expanded community-list. */
42 #define EXTCOMMUNITY_LIST_STANDARD 2 /* Standard extcommunity-list. */
43 #define EXTCOMMUNITY_LIST_EXPANDED 3 /* Expanded extcommunity-list. */
44 #define LARGE_COMMUNITY_LIST_STANDARD 4 /* Standard Large community-list. */
45 #define LARGE_COMMUNITY_LIST_EXPANDED 5 /* Expanded Large community-list. */
48 struct community_list
{
49 /* Name of the community-list. */
52 /* Stored hash value of name, to further speed up hash operations */
55 /* String or number. */
58 /* Link to upper list. */
59 struct community_list_list
*parent
;
61 /* Linked list for other community-list. */
62 struct community_list
*next
;
63 struct community_list
*prev
;
65 /* Community-list entry in this community-list. */
66 struct community_entry
*head
;
67 struct community_entry
*tail
;
70 /* Each entry in community-list. */
71 struct community_entry
{
72 struct community_entry
*next
;
73 struct community_entry
*prev
;
78 /* Standard or expanded. */
84 /* Community structure. */
86 struct community
*com
;
87 struct ecommunity
*ecom
;
88 struct lcommunity
*lcom
;
91 /* Configuration string. */
94 /* Expanded community-list regular expression. */
98 /* Linked list of community-list. */
99 struct community_list_list
{
100 struct community_list
*head
;
101 struct community_list
*tail
;
104 /* Master structure of community-list and extcommunity-list. */
105 struct community_list_master
{
106 struct community_list_list num
;
107 struct community_list_list str
;
111 /* Community-list handler. community_list_init() returns this
112 structure as handler. */
113 struct community_list_handler
{
114 /* Community-list. */
115 struct community_list_master community_list
;
117 /* Exteded community-list. */
118 struct community_list_master extcommunity_list
;
120 /* Large community-list. */
121 struct community_list_master lcommunity_list
;
124 /* Error code of community-list. */
125 #define COMMUNITY_LIST_ERR_CANT_FIND_LIST -1
126 #define COMMUNITY_LIST_ERR_MALFORMED_VAL -2
127 #define COMMUNITY_LIST_ERR_STANDARD_CONFLICT -3
128 #define COMMUNITY_LIST_ERR_EXPANDED_CONFLICT -4
131 extern struct community_list_handler
*bgp_clist
;
134 extern struct community_list_handler
*community_list_init(void);
135 extern void community_list_terminate(struct community_list_handler
*);
137 extern int community_list_set(struct community_list_handler
*ch
,
138 const char *name
, const char *str
, int direct
,
140 extern int community_list_unset(struct community_list_handler
*ch
,
141 const char *name
, const char *str
, int direct
,
143 extern int extcommunity_list_set(struct community_list_handler
*ch
,
144 const char *name
, const char *str
, int direct
,
146 extern int extcommunity_list_unset(struct community_list_handler
*ch
,
147 const char *name
, const char *str
,
148 int direct
, int style
);
149 extern int lcommunity_list_set(struct community_list_handler
*ch
,
150 const char *name
, const char *str
, int direct
,
152 extern int lcommunity_list_unset(struct community_list_handler
*ch
,
153 const char *name
, const char *str
, int direct
,
156 extern struct community_list_master
*
157 community_list_master_lookup(struct community_list_handler
*, int);
159 extern struct community_list
*
160 community_list_lookup(struct community_list_handler
*c
, const char *name
,
161 uint32_t name_hash
, int master
);
163 extern int community_list_match(struct community
*, struct community_list
*);
164 extern int ecommunity_list_match(struct ecommunity
*, struct community_list
*);
165 extern int lcommunity_list_match(struct lcommunity
*, struct community_list
*);
166 extern int community_list_exact_match(struct community
*,
167 struct community_list
*);
168 extern struct community
*community_list_match_delete(struct community
*,
169 struct community_list
*);
170 extern struct lcommunity
*
171 lcommunity_list_match_delete(struct lcommunity
*lcom
,
172 struct community_list
*list
);
174 static inline uint32_t bgp_clist_hash_key(char *name
)
176 return jhash(name
, strlen(name
), 0xdeadbeaf);
179 #endif /* _QUAGGA_BGP_CLIST_H */