58 lines
2.3 KiB
C
58 lines
2.3 KiB
C
/* $NetBSD: in_gif.h,v 1.13 2005/12/10 23:36:23 elad Exp $ */
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/* $KAME: in_gif.h,v 1.6 2001/07/25 00:55:48 itojun Exp $ */
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/*
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* Copyright (C) 1995, 1996, 1997, and 1998 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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#ifndef _NETINET_IN_GIF_H_
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#define _NETINET_IN_GIF_H_
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#define GIF_TTL 30
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extern int ip_gif_ttl;
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struct gif_softc;
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void in_gif_input(struct mbuf *, ...);
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int in_gif_output(struct ifnet *, int, struct mbuf *);
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#ifdef GIF_ENCAPCHECK
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int gif_encapcheck4(struct mbuf *, int, int, void *);
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#endif
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int in_gif_attach(struct gif_softc *);
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int in_gif_detach(struct gif_softc *);
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struct etherip_header {
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u_int8_t eip_ver; /* version/reserved */
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u_int8_t eip_pad; /* required padding byte */
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};
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#define ETHERIP_VER_VERS_MASK 0x0f
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#define ETHERIP_VER_RSVD_MASK 0xf0
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#define ETHERIP_VERSION 0x03
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#endif /* !_NETINET_IN_GIF_H_ */
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