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in6_gif.h revision 1.17 
      1 /*	$NetBSD: in6_gif.h,v 1.17 2017/11/27 05:02:22 knakahara 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
     37 extern int	ip6_gif_hlim;		/* Hop limit for gif encap packet */
     38 
     39 struct gif_variant;
     40 struct sockaddr;
     41 int in6_gif_input(struct mbuf **, int *, int, void *);
     42 #ifdef GIF_ENCAPCHECK
     43 int gif_encapcheck6(struct mbuf *, int, int, struct gif_variant *);
     44 #endif
     45 int in6_gif_attach(struct gif_variant *);
     46 int in6_gif_detach(struct gif_variant *);
     47 void *in6_gif_ctlinput(int, const struct sockaddr *, void *, void *);
     48 
     49 #endif /* !_NETINET6_IN6_GIF_H_ */
     50