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	1	/*
	2	* Copyright (c) 2000-2012 Apple Inc. All rights reserved.
	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28	/* $KAME: ip_encap.h,v 1.6 2000/03/06 04:34:21 itojun Exp $ */
	29
	30	/*
	31	* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
	32	* All rights reserved.
	33	*
	34	* Redistribution and use in source and binary forms, with or without
	35	* modification, are permitted provided that the following conditions
	36	* are met:
	37	* 1. Redistributions of source code must retain the above copyright
	38	* notice, this list of conditions and the following disclaimer.
	39	* 2. Redistributions in binary form must reproduce the above copyright
	40	* notice, this list of conditions and the following disclaimer in the
	41	* documentation and/or other materials provided with the distribution.
	42	* 3. Neither the name of the project nor the names of its contributors
	43	* may be used to endorse or promote products derived from this software
	44	* without specific prior written permission.
	45	*
	46	* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
	47	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	48	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	49	* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
	50	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	51	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	52	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	53	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	54	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	55	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	56	* SUCH DAMAGE.
	57	*/
	58
	59	#ifndef _NETINET_IP_ENCAP_H_
	60	#define _NETINET_IP_ENCAP_H_
	61	#ifdef BSD_KERNEL_PRIVATE
	62
	63	struct encaptab {
	64	LIST_ENTRY(encaptab) chain;
	65	int af;
	66	int proto; /* -1: don't care, I'll check myself */
	67	struct sockaddr_storage src; /* my addr */
	68	struct sockaddr_storage srcmask;
	69	struct sockaddr_storage dst; /* remote addr */
	70	struct sockaddr_storage dstmask;
	71	int (func)(const struct mbuf , int, int, void *);
	72	const struct protosw psw; / only pr_input will be used */
	73	void arg; / passed via m->m_pkthdr.aux */
	74	};
	75
	76	struct protosw;
	77	struct ip6protosw;
	78	struct domain;
	79
	80	__BEGIN_DECLS
	81	void encap4_init(struct protosw , struct domain );
	82	void encap6_init(struct ip6protosw , struct domain );
	83	void encap4_input(struct mbuf *, int);
	84	int encap6_input(struct mbuf *, int , int);
	85	const struct encaptab encap_attach(int, int, const struct sockaddr ,
	86	const struct sockaddr , const struct sockaddr ,
	87	const struct sockaddr , const struct protosw , void *);
	88	const struct encaptab *encap_attach_func(int, int,
	89	int ()(const struct mbuf , int, int, void *),
	90	const struct protosw , void );
	91	int encap_detach(const struct encaptab *);
	92	void encap_getarg(struct mbuf );
	93	__END_DECLS
	94
	95	#endif /* BSD_KERNEL_PRIVATE */
	96	#endif /_NETINET_IP_ENCAP_H_/