1/* 2 * Copyright (c) 2000 Apple Computer, 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#include <sys/appleapiopts.h> 62 63#ifdef KERNEL_PRIVATE 64 65struct encaptab { 66 LIST_ENTRY(encaptab) chain; 67 int af; 68 int proto; /* -1: don't care, I'll check myself */ 69 struct sockaddr_storage src; /* my addr */ 70 struct sockaddr_storage srcmask; 71 struct sockaddr_storage dst; /* remote addr */ 72 struct sockaddr_storage dstmask; 73 int (*func)(const struct mbuf *, int, int, void *); 74 const struct protosw *psw; /* only pr_input will be used */ 75 void *arg; /* passed via m->m_pkthdr.aux */ 76}; 77 78void encap_init(void) __attribute__((section("__TEXT, initcode"))); 79void encap4_input(struct mbuf *, int); 80int encap6_input(struct mbuf **, int *, int); 81const struct encaptab *encap_attach(int, int, const struct sockaddr *, 82 const struct sockaddr *, const struct sockaddr *, 83 const struct sockaddr *, const struct protosw *, void *); 84const struct encaptab *encap_attach_func(int, int, 85 int (*)(const struct mbuf *, int, int, void *), 86 const struct protosw *, void *); 87int encap_detach(const struct encaptab *); 88void *encap_getarg(struct mbuf *); 89#endif /* KERNEL_PRIVATE */ 90 91#endif /*_NETINET_IP_ENCAP_H_*/ 92