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jeremybenn |
/* $FreeBSD: src/sys/netinet/ip_encap.h,v 1.3 2002/03/19 21:25:46 alfred Exp $ */
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/* $KAME: ip_encap.h,v 1.7 2000/03/25 07:23:37 sumikawa Exp $ */
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/*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _NETINET_IP_ENCAP_H_
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#define _NETINET_IP_ENCAP_H_
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#ifdef _KERNEL
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struct encaptab {
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LIST_ENTRY(encaptab) chain;
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int af;
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int proto; /* -1: don't care, I'll check myself */
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struct sockaddr_storage src; /* my addr */
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struct sockaddr_storage srcmask;
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struct sockaddr_storage dst; /* remote addr */
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struct sockaddr_storage dstmask;
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int (*func)(const struct mbuf *, int, int, void *);
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const struct protosw *psw; /* only pr_input will be used */
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void *arg; /* passed via m->m_pkthdr.aux */
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};
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void encap_init(void);
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void encap4_input(struct mbuf *, int);
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int encap6_input(struct mbuf **, int *, int);
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const struct encaptab *encap_attach(int, int, const struct sockaddr *,
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const struct sockaddr *, const struct sockaddr *,
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const struct sockaddr *, const struct protosw *, void *);
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const struct encaptab *encap_attach_func(int, int,
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int (*)(const struct mbuf *, int, int, void *),
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const struct protosw *, void *);
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int encap_detach(const struct encaptab *);
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void *encap_getarg(struct mbuf *);
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#endif
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#endif /*_NETINET_IP_ENCAP_H_*/
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