74 lines
2.9 KiB
C
74 lines
2.9 KiB
C
/* $NetBSD: ip_encap.h,v 1.10 2005/12/10 23:36:23 elad 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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#ifndef RNF_NORMAL
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#include <net/radix.h>
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#endif
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struct encaptab {
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struct radix_node nodes[2];
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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 *addrpack; /* malloc'ed, for radix lookup */
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struct sockaddr *maskpack; /* ditto */
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struct sockaddr *src; /* my addr */
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struct sockaddr *srcmask;
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struct sockaddr *dst; /* remote addr */
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struct sockaddr *dstmask;
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int (*func) (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 PACKET_TAG_ENCAP */
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};
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void encap_setkeylen(void);
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void encap_init(void);
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void encap4_input(struct mbuf *, ...);
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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 (*)(struct mbuf *, int, int, void *),
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const struct protosw *, void *);
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void encap6_ctlinput(int, struct sockaddr *, 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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