xref: /netbsd-src/sys/net/npf/lpm.h (revision a80fb120747194c8ba5a29ebbda163311f00f77c)
1 /*-
2  * Copyright (c) 2016 Mindaugas Rasiukevicius <rmind at noxt eu>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #ifndef _LPM_H_
28 #define _LPM_H_
29 
30 __BEGIN_DECLS
31 
32 typedef struct lpm lpm_t;
33 typedef void (*lpm_dtor_t)(void *, const void *, size_t, void *);
34 
35 lpm_t *		lpm_create(int);
36 void		lpm_destroy(lpm_t *);
37 void		lpm_clear(lpm_t *, lpm_dtor_t, void *);
38 
39 int		lpm_insert(lpm_t *, const void *, size_t, unsigned, void *);
40 int		lpm_remove(lpm_t *, const void *, size_t, unsigned);
41 void *		lpm_lookup(lpm_t *, const void *, size_t);
42 void *		lpm_lookup_prefix(lpm_t *, const void *, size_t, unsigned);
43 int		lpm_strtobin(const char *, void *, size_t *, unsigned *);
44 
45 __END_DECLS
46 
47 #endif
48