NetBSD/sys/netinet/in_gif.h
itojun c8a8326600 make USE_ENCAPCHECK (in netinet*/*gif.c) to global option, GIF_ENCAPCHECK.
#ifdef out unneeded code when possible.
From: Krister Walfridsson <cato@df.lth.se>
2002-11-11 18:35:27 +00:00

50 lines
2.1 KiB
C

/* $NetBSD: in_gif.h,v 1.8 2002/11/11 18:35:28 itojun Exp $ */
/* $KAME: in_gif.h,v 1.6 2001/07/25 00:55:48 itojun Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 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.
*/
#ifndef _NETINET_IN_GIF_H_
#define _NETINET_IN_GIF_H_
#define GIF_TTL 30
extern int ip_gif_ttl;
struct gif_softc;
void in_gif_input __P((struct mbuf *, ...));
int in_gif_output __P((struct ifnet *, int, struct mbuf *));
#ifdef GIF_ENCAPCHECK
int gif_encapcheck4 __P((const struct mbuf *, int, int, void *));
#endif
int in_gif_attach __P((struct gif_softc *));
int in_gif_detach __P((struct gif_softc *));
#endif /*_NETINET_IN_GIF_H_*/