1*94d3b452SApple OSS Distributions /* $FreeBSD: src/sys/netinet6/ipcomp.h,v 1.1.2.2 2001/07/03 11:01:54 ume Exp $ */ 2*94d3b452SApple OSS Distributions /* $KAME: ipcomp.h,v 1.8 2000/09/26 07:55:14 itojun Exp $ */ 3*94d3b452SApple OSS Distributions 4*94d3b452SApple OSS Distributions /* 5*94d3b452SApple OSS Distributions * Copyright (C) 1999 WIDE Project. 6*94d3b452SApple OSS Distributions * All rights reserved. 7*94d3b452SApple OSS Distributions * 8*94d3b452SApple OSS Distributions * Redistribution and use in source and binary forms, with or without 9*94d3b452SApple OSS Distributions * modification, are permitted provided that the following conditions 10*94d3b452SApple OSS Distributions * are met: 11*94d3b452SApple OSS Distributions * 1. Redistributions of source code must retain the above copyright 12*94d3b452SApple OSS Distributions * notice, this list of conditions and the following disclaimer. 13*94d3b452SApple OSS Distributions * 2. Redistributions in binary form must reproduce the above copyright 14*94d3b452SApple OSS Distributions * notice, this list of conditions and the following disclaimer in the 15*94d3b452SApple OSS Distributions * documentation and/or other materials provided with the distribution. 16*94d3b452SApple OSS Distributions * 3. Neither the name of the project nor the names of its contributors 17*94d3b452SApple OSS Distributions * may be used to endorse or promote products derived from this software 18*94d3b452SApple OSS Distributions * without specific prior written permission. 19*94d3b452SApple OSS Distributions * 20*94d3b452SApple OSS Distributions * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 21*94d3b452SApple OSS Distributions * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22*94d3b452SApple OSS Distributions * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23*94d3b452SApple OSS Distributions * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 24*94d3b452SApple OSS Distributions * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25*94d3b452SApple OSS Distributions * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26*94d3b452SApple OSS Distributions * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27*94d3b452SApple OSS Distributions * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28*94d3b452SApple OSS Distributions * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29*94d3b452SApple OSS Distributions * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30*94d3b452SApple OSS Distributions * SUCH DAMAGE. 31*94d3b452SApple OSS Distributions */ 32*94d3b452SApple OSS Distributions 33*94d3b452SApple OSS Distributions /* 34*94d3b452SApple OSS Distributions * RFC2393 IP payload compression protocol (IPComp). 35*94d3b452SApple OSS Distributions */ 36*94d3b452SApple OSS Distributions 37*94d3b452SApple OSS Distributions #ifndef _NETINET6_IPCOMP_H_ 38*94d3b452SApple OSS Distributions #define _NETINET6_IPCOMP_H_ 39*94d3b452SApple OSS Distributions #include <sys/appleapiopts.h> 40*94d3b452SApple OSS Distributions #include <netinet6/ipsec.h> 41*94d3b452SApple OSS Distributions 42*94d3b452SApple OSS Distributions struct ipcomp { 43*94d3b452SApple OSS Distributions u_int8_t comp_nxt; /* Next Header */ 44*94d3b452SApple OSS Distributions u_int8_t comp_flags; /* reserved, must be zero */ 45*94d3b452SApple OSS Distributions u_int16_t comp_cpi; /* Compression parameter index */ 46*94d3b452SApple OSS Distributions }; 47*94d3b452SApple OSS Distributions 48*94d3b452SApple OSS Distributions /* well-known algorithm number (in CPI), from RFC2409 */ 49*94d3b452SApple OSS Distributions #define IPCOMP_OUI 1 /* vendor specific */ 50*94d3b452SApple OSS Distributions #define IPCOMP_DEFLATE 2 /* RFC2394 */ 51*94d3b452SApple OSS Distributions #define IPCOMP_LZS 3 /* RFC2395 */ 52*94d3b452SApple OSS Distributions #define IPCOMP_MAX 4 53*94d3b452SApple OSS Distributions 54*94d3b452SApple OSS Distributions #define IPCOMP_CPI_NEGOTIATE_MIN 256 55*94d3b452SApple OSS Distributions 56*94d3b452SApple OSS Distributions #endif /* _NETINET6_IPCOMP_H_ */ 57