Annotation of embedaddon/quagga/bgpd/bgp_clist.h, revision 1.1.1.1
1.1 misho 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:
21: #ifndef _QUAGGA_BGP_CLIST_H
22: #define _QUAGGA_BGP_CLIST_H
23:
24: /* Master Community-list. */
25: #define COMMUNITY_LIST_MASTER 0
26: #define EXTCOMMUNITY_LIST_MASTER 1
27:
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. */
39: #define EXTCOMMUNITY_LIST_STANDARD 2 /* Standard extcommunity-list. */
40: #define EXTCOMMUNITY_LIST_EXPANDED 3 /* Expanded extcommunity-list. */
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: extern struct community_list_handler *community_list_init (void);
128: extern void community_list_terminate (struct community_list_handler *);
129:
130: extern int community_list_set (struct community_list_handler *ch,
131: const char *name, const char *str, int direct,
132: int style);
133: extern int community_list_unset (struct community_list_handler *ch,
134: const char *name, const char *str,
135: int direct, int style);
136: extern int extcommunity_list_set (struct community_list_handler *ch,
137: const char *name, const char *str,
138: int direct, int style);
139: extern int extcommunity_list_unset (struct community_list_handler *ch,
140: const char *name, const char *str,
141: int direct, int style);
142:
143: extern struct community_list_master *
144: community_list_master_lookup (struct community_list_handler *, int);
145:
146: extern struct community_list *
147: community_list_lookup (struct community_list_handler *, const char *, int);
148:
149: extern int community_list_match (struct community *, struct community_list *);
150: extern int ecommunity_list_match (struct ecommunity *, struct community_list *);
151: extern int community_list_exact_match (struct community *,
152: struct community_list *);
153: extern struct community *
154: community_list_match_delete (struct community *, struct community_list *);
155:
156: #endif /* _QUAGGA_BGP_CLIST_H */
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