xref: /xnu-8792.41.9/bsd/netinet6/ipcomp.h (revision 5c2921b07a2480ab43ec66f5b9e41cb872bc554f)
1*5c2921b0SApple OSS Distributions /*	$FreeBSD: src/sys/netinet6/ipcomp.h,v 1.1.2.2 2001/07/03 11:01:54 ume Exp $	*/
2*5c2921b0SApple OSS Distributions /*	$KAME: ipcomp.h,v 1.8 2000/09/26 07:55:14 itojun Exp $	*/
3*5c2921b0SApple OSS Distributions 
4*5c2921b0SApple OSS Distributions /*
5*5c2921b0SApple OSS Distributions  * Copyright (C) 1999 WIDE Project.
6*5c2921b0SApple OSS Distributions  * All rights reserved.
7*5c2921b0SApple OSS Distributions  *
8*5c2921b0SApple OSS Distributions  * Redistribution and use in source and binary forms, with or without
9*5c2921b0SApple OSS Distributions  * modification, are permitted provided that the following conditions
10*5c2921b0SApple OSS Distributions  * are met:
11*5c2921b0SApple OSS Distributions  * 1. Redistributions of source code must retain the above copyright
12*5c2921b0SApple OSS Distributions  *    notice, this list of conditions and the following disclaimer.
13*5c2921b0SApple OSS Distributions  * 2. Redistributions in binary form must reproduce the above copyright
14*5c2921b0SApple OSS Distributions  *    notice, this list of conditions and the following disclaimer in the
15*5c2921b0SApple OSS Distributions  *    documentation and/or other materials provided with the distribution.
16*5c2921b0SApple OSS Distributions  * 3. Neither the name of the project nor the names of its contributors
17*5c2921b0SApple OSS Distributions  *    may be used to endorse or promote products derived from this software
18*5c2921b0SApple OSS Distributions  *    without specific prior written permission.
19*5c2921b0SApple OSS Distributions  *
20*5c2921b0SApple OSS Distributions  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21*5c2921b0SApple OSS Distributions  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22*5c2921b0SApple OSS Distributions  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23*5c2921b0SApple OSS Distributions  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24*5c2921b0SApple OSS Distributions  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25*5c2921b0SApple OSS Distributions  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26*5c2921b0SApple OSS Distributions  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27*5c2921b0SApple OSS Distributions  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28*5c2921b0SApple OSS Distributions  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29*5c2921b0SApple OSS Distributions  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30*5c2921b0SApple OSS Distributions  * SUCH DAMAGE.
31*5c2921b0SApple OSS Distributions  */
32*5c2921b0SApple OSS Distributions 
33*5c2921b0SApple OSS Distributions /*
34*5c2921b0SApple OSS Distributions  * RFC2393 IP payload compression protocol (IPComp).
35*5c2921b0SApple OSS Distributions  */
36*5c2921b0SApple OSS Distributions 
37*5c2921b0SApple OSS Distributions #ifndef _NETINET6_IPCOMP_H_
38*5c2921b0SApple OSS Distributions #define _NETINET6_IPCOMP_H_
39*5c2921b0SApple OSS Distributions #include <sys/appleapiopts.h>
40*5c2921b0SApple OSS Distributions #include <netinet6/ipsec.h>
41*5c2921b0SApple OSS Distributions 
42*5c2921b0SApple OSS Distributions struct ipcomp {
43*5c2921b0SApple OSS Distributions 	u_int8_t comp_nxt;      /* Next Header */
44*5c2921b0SApple OSS Distributions 	u_int8_t comp_flags;    /* reserved, must be zero */
45*5c2921b0SApple OSS Distributions 	u_int16_t comp_cpi;     /* Compression parameter index */
46*5c2921b0SApple OSS Distributions };
47*5c2921b0SApple OSS Distributions 
48*5c2921b0SApple OSS Distributions /* well-known algorithm number (in CPI), from RFC2409 */
49*5c2921b0SApple OSS Distributions #define IPCOMP_OUI      1       /* vendor specific */
50*5c2921b0SApple OSS Distributions #define IPCOMP_DEFLATE  2       /* RFC2394 */
51*5c2921b0SApple OSS Distributions #define IPCOMP_LZS      3       /* RFC2395 */
52*5c2921b0SApple OSS Distributions #define IPCOMP_MAX      4
53*5c2921b0SApple OSS Distributions 
54*5c2921b0SApple OSS Distributions #define IPCOMP_CPI_NEGOTIATE_MIN        256
55*5c2921b0SApple OSS Distributions 
56*5c2921b0SApple OSS Distributions #endif /* _NETINET6_IPCOMP_H_ */
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