c9f56c04dc
Hans Rosenfeld (rosenfeld at grumpf.hope-2000.org) This change makes it possible to add gif interfaces to bridges, which will then send and receive IP protocol 97 packets. Packets are Ethernet frames with an EtherIP header prepended.
58 lines
2.3 KiB
C
58 lines
2.3 KiB
C
/* $NetBSD: in_gif.h,v 1.11 2005/01/31 23:49:36 kim 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(const 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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