xref: /xnu-8796.121.2/bsd/netinet/ip_encap.h (revision c54f35ca767986246321eb901baf8f5ff7923f6a)
1*c54f35caSApple OSS Distributions /*
2*c54f35caSApple OSS Distributions  * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
3*c54f35caSApple OSS Distributions  *
4*c54f35caSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*c54f35caSApple OSS Distributions  *
6*c54f35caSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*c54f35caSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*c54f35caSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*c54f35caSApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*c54f35caSApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*c54f35caSApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*c54f35caSApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*c54f35caSApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*c54f35caSApple OSS Distributions  *
15*c54f35caSApple OSS Distributions  * Please obtain a copy of the License at
16*c54f35caSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*c54f35caSApple OSS Distributions  *
18*c54f35caSApple OSS Distributions  * The Original Code and all software distributed under the License are
19*c54f35caSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*c54f35caSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*c54f35caSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*c54f35caSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*c54f35caSApple OSS Distributions  * Please see the License for the specific language governing rights and
24*c54f35caSApple OSS Distributions  * limitations under the License.
25*c54f35caSApple OSS Distributions  *
26*c54f35caSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*c54f35caSApple OSS Distributions  */
28*c54f35caSApple OSS Distributions /*	$KAME: ip_encap.h,v 1.6 2000/03/06 04:34:21 itojun Exp $	*/
29*c54f35caSApple OSS Distributions 
30*c54f35caSApple OSS Distributions /*
31*c54f35caSApple OSS Distributions  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
32*c54f35caSApple OSS Distributions  * All rights reserved.
33*c54f35caSApple OSS Distributions  *
34*c54f35caSApple OSS Distributions  * Redistribution and use in source and binary forms, with or without
35*c54f35caSApple OSS Distributions  * modification, are permitted provided that the following conditions
36*c54f35caSApple OSS Distributions  * are met:
37*c54f35caSApple OSS Distributions  * 1. Redistributions of source code must retain the above copyright
38*c54f35caSApple OSS Distributions  *    notice, this list of conditions and the following disclaimer.
39*c54f35caSApple OSS Distributions  * 2. Redistributions in binary form must reproduce the above copyright
40*c54f35caSApple OSS Distributions  *    notice, this list of conditions and the following disclaimer in the
41*c54f35caSApple OSS Distributions  *    documentation and/or other materials provided with the distribution.
42*c54f35caSApple OSS Distributions  * 3. Neither the name of the project nor the names of its contributors
43*c54f35caSApple OSS Distributions  *    may be used to endorse or promote products derived from this software
44*c54f35caSApple OSS Distributions  *    without specific prior written permission.
45*c54f35caSApple OSS Distributions  *
46*c54f35caSApple OSS Distributions  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
47*c54f35caSApple OSS Distributions  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48*c54f35caSApple OSS Distributions  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49*c54f35caSApple OSS Distributions  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
50*c54f35caSApple OSS Distributions  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
51*c54f35caSApple OSS Distributions  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
52*c54f35caSApple OSS Distributions  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
53*c54f35caSApple OSS Distributions  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
54*c54f35caSApple OSS Distributions  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
55*c54f35caSApple OSS Distributions  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56*c54f35caSApple OSS Distributions  * SUCH DAMAGE.
57*c54f35caSApple OSS Distributions  */
58*c54f35caSApple OSS Distributions 
59*c54f35caSApple OSS Distributions #ifndef _NETINET_IP_ENCAP_H_
60*c54f35caSApple OSS Distributions #define _NETINET_IP_ENCAP_H_
61*c54f35caSApple OSS Distributions #ifdef BSD_KERNEL_PRIVATE
62*c54f35caSApple OSS Distributions 
63*c54f35caSApple OSS Distributions struct encaptab {
64*c54f35caSApple OSS Distributions 	LIST_ENTRY(encaptab) chain;
65*c54f35caSApple OSS Distributions 	int af;
66*c54f35caSApple OSS Distributions 	int proto;                      /* -1: don't care, I'll check myself */
67*c54f35caSApple OSS Distributions 	struct sockaddr_storage src;    /* my addr */
68*c54f35caSApple OSS Distributions 	struct sockaddr_storage srcmask;
69*c54f35caSApple OSS Distributions 	struct sockaddr_storage dst;    /* remote addr */
70*c54f35caSApple OSS Distributions 	struct sockaddr_storage dstmask;
71*c54f35caSApple OSS Distributions 	int (*func)(const struct mbuf *, int, int, void *);
72*c54f35caSApple OSS Distributions 	const struct protosw *psw;      /* only pr_input will be used */
73*c54f35caSApple OSS Distributions 	void *arg;                      /* passed via m->m_pkthdr.aux */
74*c54f35caSApple OSS Distributions };
75*c54f35caSApple OSS Distributions 
76*c54f35caSApple OSS Distributions struct protosw;
77*c54f35caSApple OSS Distributions struct ip6protosw;
78*c54f35caSApple OSS Distributions struct domain;
79*c54f35caSApple OSS Distributions 
80*c54f35caSApple OSS Distributions __BEGIN_DECLS
81*c54f35caSApple OSS Distributions void    encap4_input(struct mbuf *, int);
82*c54f35caSApple OSS Distributions int     encap6_input(struct mbuf **, int *, int);
83*c54f35caSApple OSS Distributions const struct encaptab *encap_attach(int, int, const struct sockaddr *,
84*c54f35caSApple OSS Distributions     const struct sockaddr *, const struct sockaddr *,
85*c54f35caSApple OSS Distributions     const struct sockaddr *, const struct protosw *, void *);
86*c54f35caSApple OSS Distributions const struct encaptab *encap_attach_func(int, int,
87*c54f35caSApple OSS Distributions     int (*)(const struct mbuf *, int, int, void *),
88*c54f35caSApple OSS Distributions     const struct protosw *, void *);
89*c54f35caSApple OSS Distributions int     encap_detach(const struct encaptab *);
90*c54f35caSApple OSS Distributions void    *encap_getarg(struct mbuf *);
91*c54f35caSApple OSS Distributions __END_DECLS
92*c54f35caSApple OSS Distributions 
93*c54f35caSApple OSS Distributions #endif /* BSD_KERNEL_PRIVATE */
94*c54f35caSApple OSS Distributions #endif /*_NETINET_IP_ENCAP_H_*/
95