1 /* $NetBSD: ip_encap.h,v 1.3 2003/01/17 08:11:57 itojun Exp $ */
2 /* $KAME: ip_encap.h,v 1.7 2000/03/25 07:23:37 sumikawa Exp $ */
3
4 /*
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 #ifndef _NETINET_IP_ENCAP_H_
34 #define _NETINET_IP_ENCAP_H_
35
36 #ifdef _KERNEL
37
38 #ifndef RNF_NORMAL
39 #include <net/radix.h>
40 #endif
41
42 struct encaptab {
43 struct radix_node nodes[2];
44 LIST_ENTRY(encaptab) chain;
45 int af;
46 int proto; /* -1: don't care, I'll check myself */
47 struct sockaddr *addrpack; /* malloc'ed, for radix lookup */
48 struct sockaddr *maskpack; /* ditto */
49 struct sockaddr *src; /* my addr */
50 struct sockaddr *srcmask;
51 struct sockaddr *dst; /* remote addr */
52 struct sockaddr *dstmask;
53 int (*func) __P((const struct mbuf *, int, int, void *));
54 const struct protosw *psw; /* only pr_input will be used */
55 void *arg; /* passed via PACKET_TAG_ENCAP */
56 };
57
58 void encap_init __P((void));
59 void encap4_input __P((struct mbuf *, ...));
60 int encap6_input __P((struct mbuf **, int *, int));
61 const struct encaptab *encap_attach __P((int, int, const struct sockaddr *,
62 const struct sockaddr *, const struct sockaddr *,
63 const struct sockaddr *, const struct protosw *, void *));
64 const struct encaptab *encap_attach_func __P((int, int,
65 int (*) __P((const struct mbuf *, int, int, void *)),
66 const struct protosw *, void *));
67 void encap6_ctlinput __P((int, struct sockaddr *, void *));
68 int encap_detach __P((const struct encaptab *));
69 void *encap_getarg __P((struct mbuf *));
70 #endif
71
72 #endif /*_NETINET_IP_ENCAP_H_*/
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