1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 1999 Kunihiro Ishiguro
6 #ifndef _QUAGGA_BGP_CLIST_H
7 #define _QUAGGA_BGP_CLIST_H
11 /* Master Community-list. */
12 #define COMMUNITY_LIST_MASTER 0
13 #define EXTCOMMUNITY_LIST_MASTER 1
14 #define LARGE_COMMUNITY_LIST_MASTER 2
16 /* Community-list deny and permit. */
17 #define COMMUNITY_DENY 0
18 #define COMMUNITY_PERMIT 1
20 /* Number and string based community-list name. */
21 #define COMMUNITY_LIST_STRING 0
22 #define COMMUNITY_LIST_NUMBER 1
24 #define COMMUNITY_SEQ_NUMBER_AUTO -1
26 /* Community-list entry types. */
27 #define COMMUNITY_LIST_STANDARD 0 /* Standard community-list. */
28 #define COMMUNITY_LIST_EXPANDED 1 /* Expanded community-list. */
29 #define EXTCOMMUNITY_LIST_STANDARD 2 /* Standard extcommunity-list. */
30 #define EXTCOMMUNITY_LIST_EXPANDED 3 /* Expanded extcommunity-list. */
31 #define LARGE_COMMUNITY_LIST_STANDARD 4 /* Standard Large community-list. */
32 #define LARGE_COMMUNITY_LIST_EXPANDED 5 /* Expanded Large community-list. */
35 struct community_list
{
36 /* Name of the community-list. */
39 /* Stored hash value of name, to further speed up hash operations */
42 /* String or number. */
45 /* Link to upper list. */
46 struct community_list_list
*parent
;
48 /* Linked list for other community-list. */
49 struct community_list
*next
;
50 struct community_list
*prev
;
52 /* Community-list entry in this community-list. */
53 struct community_entry
*head
;
54 struct community_entry
*tail
;
57 /* Each entry in community-list. */
58 struct community_entry
{
59 struct community_entry
*next
;
60 struct community_entry
*prev
;
65 /* Standard or expanded. */
68 /* Sequence number. */
71 /* Community structure. */
73 struct community
*com
;
74 struct ecommunity
*ecom
;
75 struct lcommunity
*lcom
;
78 /* Configuration string. */
81 /* Expanded community-list regular expression. */
85 /* Linked list of community-list. */
86 struct community_list_list
{
87 struct community_list
*head
;
88 struct community_list
*tail
;
91 /* Master structure of community-list and extcommunity-list. */
92 struct community_list_master
{
93 struct community_list_list num
;
94 struct community_list_list str
;
98 /* Community-list handler. community_list_init() returns this
99 structure as handler. */
100 struct community_list_handler
{
101 /* Community-list. */
102 struct community_list_master community_list
;
104 /* Exteded community-list. */
105 struct community_list_master extcommunity_list
;
107 /* Large community-list. */
108 struct community_list_master lcommunity_list
;
111 /* Error code of community-list. */
112 #define COMMUNITY_LIST_ERR_CANT_FIND_LIST -1
113 #define COMMUNITY_LIST_ERR_MALFORMED_VAL -2
114 #define COMMUNITY_LIST_ERR_STANDARD_CONFLICT -3
115 #define COMMUNITY_LIST_ERR_EXPANDED_CONFLICT -4
118 extern struct community_list_handler
*bgp_clist
;
121 extern struct community_list_handler
*community_list_init(void);
122 extern void community_list_terminate(struct community_list_handler
*ch
);
124 extern int community_list_set(struct community_list_handler
*ch
,
125 const char *name
, const char *str
,
126 const char *seq
, int direct
, int style
);
127 extern int community_list_unset(struct community_list_handler
*ch
,
128 const char *name
, const char *str
,
129 const char *seq
, int direct
, int style
);
130 extern int extcommunity_list_set(struct community_list_handler
*ch
,
131 const char *name
, const char *str
,
132 const char *seq
, int direct
, int style
);
133 extern int extcommunity_list_unset(struct community_list_handler
*ch
,
134 const char *name
, const char *str
,
135 const char *seq
, int direct
, int style
);
136 extern int lcommunity_list_set(struct community_list_handler
*ch
,
137 const char *name
, const char *str
,
138 const char *seq
, int direct
, int style
);
139 extern bool lcommunity_list_valid(const char *community
, int style
);
140 extern int lcommunity_list_unset(struct community_list_handler
*ch
,
141 const char *name
, const char *str
,
142 const char *seq
, int direct
, int style
);
144 extern struct community_list_master
*
145 community_list_master_lookup(struct community_list_handler
*ch
, int master
);
147 extern struct community_list
*
148 community_list_lookup(struct community_list_handler
*c
, const char *name
,
149 uint32_t name_hash
, int master
);
151 extern bool community_list_match(struct community
*com
,
152 struct community_list
*list
);
153 extern bool ecommunity_list_match(struct ecommunity
*ecom
,
154 struct community_list
*list
);
155 extern bool lcommunity_list_match(struct lcommunity
*lcom
,
156 struct community_list
*list
);
157 extern bool community_list_exact_match(struct community
*com
,
158 struct community_list
*list
);
159 extern bool lcommunity_list_exact_match(struct lcommunity
*lcom
,
160 struct community_list
*list
);
161 extern struct community
*
162 community_list_match_delete(struct community
*com
, struct community_list
*list
);
163 extern struct lcommunity
*
164 lcommunity_list_match_delete(struct lcommunity
*lcom
,
165 struct community_list
*list
);
167 static inline uint32_t bgp_clist_hash_key(char *name
)
169 return jhash(name
, strlen(name
), 0xdeadbeaf);
172 extern void bgp_community_list_command_completion_setup(void);
174 #endif /* _QUAGGA_BGP_CLIST_H */