in6_gif.h revision 1.9 
1/*	$NetBSD: in6_gif.h,v 1.9 2002/11/11 18:35:28 itojun Exp $	*/
2/*	$KAME: in6_gif.h,v 1.7 2001/07/26 06:53:16 jinmei Exp $	*/
3
4/*
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#ifndef _NETINET6_IN6_GIF_H_
34#define _NETINET6_IN6_GIF_H_
35
36#define GIF_HLIM	30
37extern int	ip6_gif_hlim;		/* Hop limit for gif encap packet */
38
39struct gif_softc;
40struct sockaddr;
41int in6_gif_input __P((struct mbuf **, int *, int));
42int in6_gif_output __P((struct ifnet *, int, struct mbuf *));
43#ifdef GIF_ENCAPCHECK
44int gif_encapcheck6 __P((const struct mbuf *, int, int, void *));
45#endif
46int in6_gif_attach __P((struct gif_softc *));
47int in6_gif_detach __P((struct gif_softc *));
48void in6_gif_ctlinput __P((int, struct sockaddr *, void *));
49
50#endif /* _NETINET6_IN6_GIF_H_ */
51