xref: /xnu-11417.140.69/bsd/netinet6/ipcomp.h (revision 43a90889846e00bfb5cf1d255cdc0a701a1e05a4)
1*43a90889SApple OSS Distributions /*	$FreeBSD: src/sys/netinet6/ipcomp.h,v 1.1.2.2 2001/07/03 11:01:54 ume Exp $	*/
2*43a90889SApple OSS Distributions /*	$KAME: ipcomp.h,v 1.8 2000/09/26 07:55:14 itojun Exp $	*/
3*43a90889SApple OSS Distributions 
4*43a90889SApple OSS Distributions /*
5*43a90889SApple OSS Distributions  * Copyright (C) 1999 WIDE Project.
6*43a90889SApple OSS Distributions  * All rights reserved.
7*43a90889SApple OSS Distributions  *
8*43a90889SApple OSS Distributions  * Redistribution and use in source and binary forms, with or without
9*43a90889SApple OSS Distributions  * modification, are permitted provided that the following conditions
10*43a90889SApple OSS Distributions  * are met:
11*43a90889SApple OSS Distributions  * 1. Redistributions of source code must retain the above copyright
12*43a90889SApple OSS Distributions  *    notice, this list of conditions and the following disclaimer.
13*43a90889SApple OSS Distributions  * 2. Redistributions in binary form must reproduce the above copyright
14*43a90889SApple OSS Distributions  *    notice, this list of conditions and the following disclaimer in the
15*43a90889SApple OSS Distributions  *    documentation and/or other materials provided with the distribution.
16*43a90889SApple OSS Distributions  * 3. Neither the name of the project nor the names of its contributors
17*43a90889SApple OSS Distributions  *    may be used to endorse or promote products derived from this software
18*43a90889SApple OSS Distributions  *    without specific prior written permission.
19*43a90889SApple OSS Distributions  *
20*43a90889SApple OSS Distributions  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21*43a90889SApple OSS Distributions  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22*43a90889SApple OSS Distributions  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23*43a90889SApple OSS Distributions  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24*43a90889SApple OSS Distributions  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25*43a90889SApple OSS Distributions  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26*43a90889SApple OSS Distributions  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27*43a90889SApple OSS Distributions  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28*43a90889SApple OSS Distributions  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29*43a90889SApple OSS Distributions  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30*43a90889SApple OSS Distributions  * SUCH DAMAGE.
31*43a90889SApple OSS Distributions  */
32*43a90889SApple OSS Distributions 
33*43a90889SApple OSS Distributions /*
34*43a90889SApple OSS Distributions  * RFC2393 IP payload compression protocol (IPComp).
35*43a90889SApple OSS Distributions  */
36*43a90889SApple OSS Distributions 
37*43a90889SApple OSS Distributions #ifndef _NETINET6_IPCOMP_H_
38*43a90889SApple OSS Distributions #define _NETINET6_IPCOMP_H_
39*43a90889SApple OSS Distributions #include <sys/appleapiopts.h>
40*43a90889SApple OSS Distributions #include <netinet6/ipsec.h>
41*43a90889SApple OSS Distributions 
42*43a90889SApple OSS Distributions struct ipcomp {
43*43a90889SApple OSS Distributions 	u_int8_t comp_nxt;      /* Next Header */
44*43a90889SApple OSS Distributions 	u_int8_t comp_flags;    /* reserved, must be zero */
45*43a90889SApple OSS Distributions 	u_int16_t comp_cpi;     /* Compression parameter index */
46*43a90889SApple OSS Distributions };
47*43a90889SApple OSS Distributions 
48*43a90889SApple OSS Distributions /* well-known algorithm number (in CPI), from RFC2409 */
49*43a90889SApple OSS Distributions #define IPCOMP_OUI      1       /* vendor specific */
50*43a90889SApple OSS Distributions #define IPCOMP_DEFLATE  2       /* RFC2394 */
51*43a90889SApple OSS Distributions #define IPCOMP_LZS      3       /* RFC2395 */
52*43a90889SApple OSS Distributions #define IPCOMP_MAX      4
53*43a90889SApple OSS Distributions 
54*43a90889SApple OSS Distributions #define IPCOMP_CPI_NEGOTIATE_MIN        256
55*43a90889SApple OSS Distributions 
56*43a90889SApple OSS Distributions #endif /* _NETINET6_IPCOMP_H_ */
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