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
63struct 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
76struct protosw;
77struct ip6protosw;
78struct domain;
79
80__BEGIN_DECLS
81void encap4_input(struct mbuf *, int);
82int encap6_input(struct mbuf **, int *, int);
83const struct encaptab *encap_attach(int, int, const struct sockaddr *,
84 const struct sockaddr *, const struct sockaddr *,
85 const struct sockaddr *, const struct protosw *, void *);
86const struct encaptab *encap_attach_func(int, int,
87 int (*)(const struct mbuf *, int, int, void *),
88 const struct protosw *, void *);
89int encap_detach(const struct encaptab *);
90void *encap_getarg(struct mbuf *);
91void encap_init(void);
92
93void encap_register_m_tag(void);
94
95__END_DECLS
96
97#endif /* BSD_KERNEL_PRIVATE */
98#endif /*_NETINET_IP_ENCAP_H_*/
99