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718e3744 | 1 | /* BGP Community list. |
2 | Copyright (C) 1999 Kunihiro Ishiguro | |
3 | ||
4 | This file is part of GNU Zebra. | |
5 | ||
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 | |
9 | later version. | |
10 | ||
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. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Zebra; see the file COPYING. If not, write to the Free | |
18 | Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | 02111-1307, USA. */ | |
20 | ||
00d252cb | 21 | #ifndef _QUAGGA_BGP_CLIST_H |
22 | #define _QUAGGA_BGP_CLIST_H | |
23 | ||
fee6e4e4 | 24 | /* Master Community-list. */ |
25 | #define COMMUNITY_LIST_MASTER 0 | |
26 | #define EXTCOMMUNITY_LIST_MASTER 1 | |
27 | ||
718e3744 | 28 | /* Community-list deny and permit. */ |
29 | #define COMMUNITY_DENY 0 | |
30 | #define COMMUNITY_PERMIT 1 | |
31 | ||
32 | /* Number and string based community-list name. */ | |
33 | #define COMMUNITY_LIST_STRING 0 | |
34 | #define COMMUNITY_LIST_NUMBER 1 | |
35 | ||
36 | /* Community-list entry types. */ | |
37 | #define COMMUNITY_LIST_STANDARD 0 /* Standard community-list. */ | |
38 | #define COMMUNITY_LIST_EXPANDED 1 /* Expanded community-list. */ | |
fee6e4e4 | 39 | #define EXTCOMMUNITY_LIST_STANDARD 2 /* Standard extcommunity-list. */ |
40 | #define EXTCOMMUNITY_LIST_EXPANDED 3 /* Expanded extcommunity-list. */ | |
718e3744 | 41 | |
42 | /* Community-list. */ | |
43 | struct community_list | |
44 | { | |
45 | /* Name of the community-list. */ | |
46 | char *name; | |
47 | ||
48 | /* String or number. */ | |
49 | int sort; | |
50 | ||
51 | /* Link to upper list. */ | |
52 | struct community_list_list *parent; | |
53 | ||
54 | /* Linked list for other community-list. */ | |
55 | struct community_list *next; | |
56 | struct community_list *prev; | |
57 | ||
58 | /* Community-list entry in this community-list. */ | |
59 | struct community_entry *head; | |
60 | struct community_entry *tail; | |
61 | }; | |
62 | ||
63 | /* Each entry in community-list. */ | |
64 | struct community_entry | |
65 | { | |
66 | struct community_entry *next; | |
67 | struct community_entry *prev; | |
68 | ||
69 | /* Permit or deny. */ | |
70 | u_char direct; | |
71 | ||
72 | /* Standard or expanded. */ | |
73 | u_char style; | |
74 | ||
75 | /* Any match. */ | |
76 | u_char any; | |
77 | ||
78 | /* Community structure. */ | |
79 | union | |
80 | { | |
81 | struct community *com; | |
82 | struct ecommunity *ecom; | |
83 | } u; | |
84 | ||
85 | /* Configuration string. */ | |
86 | char *config; | |
87 | ||
88 | /* Expanded community-list regular expression. */ | |
89 | regex_t *reg; | |
90 | }; | |
91 | ||
92 | /* Linked list of community-list. */ | |
93 | struct community_list_list | |
94 | { | |
95 | struct community_list *head; | |
96 | struct community_list *tail; | |
97 | }; | |
98 | ||
99 | /* Master structure of community-list and extcommunity-list. */ | |
100 | struct community_list_master | |
101 | { | |
102 | struct community_list_list num; | |
103 | struct community_list_list str; | |
104 | }; | |
105 | ||
106 | /* Community-list handler. community_list_init() returns this | |
107 | structure as handler. */ | |
108 | struct community_list_handler | |
109 | { | |
110 | /* Community-list. */ | |
111 | struct community_list_master community_list; | |
112 | ||
113 | /* Exteded community-list. */ | |
114 | struct community_list_master extcommunity_list; | |
115 | }; | |
116 | ||
117 | /* Error code of community-list. */ | |
118 | #define COMMUNITY_LIST_ERR_CANT_FIND_LIST -1 | |
119 | #define COMMUNITY_LIST_ERR_MALFORMED_VAL -2 | |
120 | #define COMMUNITY_LIST_ERR_STANDARD_CONFLICT -3 | |
121 | #define COMMUNITY_LIST_ERR_EXPANDED_CONFLICT -4 | |
122 | ||
123 | /* Handler. */ | |
124 | extern struct community_list_handler *bgp_clist; | |
125 | ||
126 | /* Prototypes. */ | |
127 | struct community_list_handler *community_list_init (); | |
128 | ||
fd79ac91 | 129 | int community_list_set (struct community_list_handler *ch, const char *name, |
130 | const char *str, int direct, int style); | |
131 | int community_list_unset (struct community_list_handler *ch, const char *name, | |
132 | const char *str, int direct, int style); | |
133 | int extcommunity_list_set (struct community_list_handler *ch, const char *name, | |
134 | const char *str, int direct, int style); | |
135 | int extcommunity_list_unset (struct community_list_handler *ch, | |
136 | const char *name, const char *str, | |
137 | int direct, int style); | |
718e3744 | 138 | |
139 | struct community_list_master * | |
140 | community_list_master_lookup (struct community_list_handler *, int); | |
141 | ||
142 | struct community_list * | |
fd79ac91 | 143 | community_list_lookup (struct community_list_handler *, const char *, int); |
718e3744 | 144 | |
145 | int community_list_match (struct community *, struct community_list *); | |
fd79ac91 | 146 | int ecommunity_list_match (struct ecommunity *, struct community_list *); |
718e3744 | 147 | int community_list_exact_match (struct community *, struct community_list *); |
148 | struct community * | |
149 | community_list_match_delete (struct community *, | |
150 | struct community_list *); | |
00d252cb | 151 | |
152 | #endif /* _QUAGGA_BGP_CLIST_H */ |