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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [net/] [bsd_tcpip/] [current/] [include/] [netinet6/] [ipcomp.h] - Rev 856
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//========================================================================== // // include/netinet6/ipcomp.h // //========================================================================== // ####BSDCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // // Portions of this software may have been derived from FreeBSD // or other sources, and if so are covered by the appropriate copyright // and license included herein. // // Portions created by the Free Software Foundation are // Copyright (C) 2002 Free Software Foundation, Inc. // ------------------------------------------- // ####BSDCOPYRIGHTEND#### //========================================================================== /* $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_ 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 #if defined(KERNEL) || defined(_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)); #if (defined(__FreeBSD__) && __FreeBSD__ >= 4) extern void ipcomp4_input __P((struct mbuf *, int)); #else extern void ipcomp4_input __P((struct mbuf *, ...)); #endif /* (defined(__FreeBSD__) && __FreeBSD__ >= 4) */ extern int ipcomp4_output __P((struct mbuf *, struct ipsecrequest *)); #ifdef INET6 extern int ipcomp6_input __P((struct mbuf **, int *, int)); extern int ipcomp6_output __P((struct mbuf *, u_char *, struct mbuf *, struct ipsecrequest *)); #endif #endif /* KERNEL */ #endif /* _NETINET6_IPCOMP_H_ */
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