1 /* $FreeBSD: src/sys/netinet/ip_encap.h,v 1.1.2.2 2002/11/20 23:20:54 luigi Exp $ */
2 /* $DragonFly: src/sys/netinet/ip_encap.h,v 1.3 2004/06/03 18:30:03 joerg Exp $ */
3 /* $KAME: ip_encap.h,v 1.7 2000/03/25 07:23:37 sumikawa Exp $ */
6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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10 * modification, are permitted provided that the following conditions
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13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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34 #ifndef _NETINET_IP_ENCAP_H_
35 #define _NETINET_IP_ENCAP_H_
40 LIST_ENTRY(encaptab) chain;
42 int proto; /* -1: don't care, I'll check myself */
43 struct sockaddr_storage src; /* my addr */
44 struct sockaddr_storage srcmask;
45 struct sockaddr_storage dst; /* remote addr */
46 struct sockaddr_storage dstmask;
47 int (*func)(const struct mbuf *, int, int, void *);
48 const struct protosw *psw; /* only pr_input will be used */
49 void *arg; /* passed via m->m_pkthdr.aux */
52 void encap_init(void);
53 void encap4_input(struct mbuf *, ...);
54 int encap6_input(struct mbuf **, int *, int);
55 const struct encaptab *encap_attach(int, int, const struct sockaddr *,
56 const struct sockaddr *, const struct sockaddr *,
57 const struct sockaddr *, const struct protosw *, void *);
58 const struct encaptab *encap_attach_func(int, int,
59 int (*)(const struct mbuf *, int, int, void *),
60 const struct protosw *, void *);
61 int encap_detach(const struct encaptab *);
62 void *encap_getarg(struct mbuf *);
65 #endif /*_NETINET_IP_ENCAP_H_*/