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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [include/] [netinet6/] [ipcomp.h] - Blame information for rev 207

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Line No. Rev Author Line
1 207 jeremybenn
/*      $FreeBSD: src/sys/netinet6/ipcomp.h,v 1.4 2002/04/19 04:46:23 suz Exp $ */
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/*      $KAME: ipcomp.h,v 1.11 2001/09/04 08:43:19 itojun Exp $ */
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/*
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 * Copyright (C) 1999 WIDE Project.
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the project nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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/*
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 * RFC2393 IP payload compression protocol (IPComp).
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 */
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#ifndef _NETINET6_IPCOMP_H_
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#define _NETINET6_IPCOMP_H_
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#if defined(_KERNEL) && !defined(_LKM)
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#include "opt_inet.h"
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#endif
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struct ipcomp {
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        u_int8_t comp_nxt;      /* Next Header */
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        u_int8_t comp_flags;    /* reserved, must be zero */
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        u_int16_t comp_cpi;     /* Compression parameter index */
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};
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/* well-known algorithm number (in CPI), from RFC2409 */
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#define IPCOMP_OUI      1       /* vendor specific */
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#define IPCOMP_DEFLATE  2       /* RFC2394 */
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#define IPCOMP_LZS      3       /* RFC2395 */
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#define IPCOMP_MAX      4
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#define IPCOMP_CPI_NEGOTIATE_MIN        256
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#ifdef _KERNEL
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struct ipcomp_algorithm {
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        int (*compress) __P((struct mbuf *, struct mbuf *, size_t *));
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        int (*decompress) __P((struct mbuf *, struct mbuf *, size_t *));
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        size_t minplen;         /* minimum required length for compression */
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};
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struct ipsecrequest;
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extern const struct ipcomp_algorithm *ipcomp_algorithm_lookup __P((int));
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extern void ipcomp4_input __P((struct mbuf *, int));
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extern int ipcomp4_output __P((struct mbuf *, struct ipsecrequest *));
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#endif /* KERNEL */
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#endif /* _NETINET6_IPCOMP_H_ */

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