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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [include/] [netinet6/] [ipcomp.h] - Rev 301
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/* $FreeBSD: src/sys/netinet6/ipcomp.h,v 1.4 2002/04/19 04:46:23 suz Exp $ */ /* $KAME: ipcomp.h,v 1.11 2001/09/04 08:43:19 itojun Exp $ */ /* * Copyright (C) 1999 WIDE Project. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * RFC2393 IP payload compression protocol (IPComp). */ #ifndef _NETINET6_IPCOMP_H_ #define _NETINET6_IPCOMP_H_ #if defined(_KERNEL) && !defined(_LKM) #include "opt_inet.h" #endif struct ipcomp { u_int8_t comp_nxt; /* Next Header */ u_int8_t comp_flags; /* reserved, must be zero */ u_int16_t comp_cpi; /* Compression parameter index */ }; /* well-known algorithm number (in CPI), from RFC2409 */ #define IPCOMP_OUI 1 /* vendor specific */ #define IPCOMP_DEFLATE 2 /* RFC2394 */ #define IPCOMP_LZS 3 /* RFC2395 */ #define IPCOMP_MAX 4 #define IPCOMP_CPI_NEGOTIATE_MIN 256 #ifdef _KERNEL struct ipcomp_algorithm { int (*compress) __P((struct mbuf *, struct mbuf *, size_t *)); int (*decompress) __P((struct mbuf *, struct mbuf *, size_t *)); size_t minplen; /* minimum required length for compression */ }; struct ipsecrequest; extern const struct ipcomp_algorithm *ipcomp_algorithm_lookup __P((int)); extern void ipcomp4_input __P((struct mbuf *, int)); extern int ipcomp4_output __P((struct mbuf *, struct ipsecrequest *)); #endif /* KERNEL */ #endif /* _NETINET6_IPCOMP_H_ */
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