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      1  1.18  knakahar /*	$NetBSD: in6_gif.h,v 1.18 2019/10/30 03:45:59 knakahara Exp $	*/
      2   1.5    itojun /*	$KAME: in6_gif.h,v 1.7 2001/07/26 06:53:16 jinmei Exp $	*/
      3   1.3   thorpej 
      4   1.2    itojun /*
      5   1.2    itojun  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
      6   1.2    itojun  * All rights reserved.
      7   1.4    itojun  *
      8   1.2    itojun  * Redistribution and use in source and binary forms, with or without
      9   1.2    itojun  * modification, are permitted provided that the following conditions
     10   1.2    itojun  * are met:
     11   1.2    itojun  * 1. Redistributions of source code must retain the above copyright
     12   1.2    itojun  *    notice, this list of conditions and the following disclaimer.
     13   1.2    itojun  * 2. Redistributions in binary form must reproduce the above copyright
     14   1.2    itojun  *    notice, this list of conditions and the following disclaimer in the
     15   1.2    itojun  *    documentation and/or other materials provided with the distribution.
     16   1.2    itojun  * 3. Neither the name of the project nor the names of its contributors
     17   1.2    itojun  *    may be used to endorse or promote products derived from this software
     18   1.2    itojun  *    without specific prior written permission.
     19   1.4    itojun  *
     20   1.2    itojun  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
     21   1.2    itojun  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     22   1.2    itojun  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     23   1.2    itojun  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
     24   1.2    itojun  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     25   1.2    itojun  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     26   1.2    itojun  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     27   1.2    itojun  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     28   1.2    itojun  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     29   1.2    itojun  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     30   1.2    itojun  * SUCH DAMAGE.
     31   1.2    itojun  */
     32   1.2    itojun 
     33   1.2    itojun #ifndef _NETINET6_IN6_GIF_H_
     34   1.2    itojun #define _NETINET6_IN6_GIF_H_
     35   1.2    itojun 
     36   1.2    itojun #define GIF_HLIM	30
     37   1.7    itojun extern int	ip6_gif_hlim;		/* Hop limit for gif encap packet */
     38  1.18  knakahar extern int	ip6_gif_pmtu;		/* Default Path MTU setting for gif tunnels */
     39  1.18  knakahar 
     40  1.18  knakahar #define GIF_PMTU_SYSDEFAULT	-1	/* Use system default value (ip6_gif_pmtu) */
     41  1.18  knakahar #define GIF_PMTU_MINMTU		0	/* Fragmented by IPV6_MINMTU */
     42  1.18  knakahar #define GIF_PMTU_OUTERMTU	1	/* Fragmented by Path MTU of outer path */
     43   1.2    itojun 
     44  1.17  knakahar struct gif_variant;
     45   1.8    itojun struct sockaddr;
     46  1.16  knakahar int in6_gif_input(struct mbuf **, int *, int, void *);
     47   1.9    itojun #ifdef GIF_ENCAPCHECK
     48  1.17  knakahar int gif_encapcheck6(struct mbuf *, int, int, struct gif_variant *);
     49   1.9    itojun #endif
     50  1.17  knakahar int in6_gif_attach(struct gif_variant *);
     51  1.17  knakahar int in6_gif_detach(struct gif_variant *);
     52  1.14  knakahar void *in6_gif_ctlinput(int, const struct sockaddr *, void *, void *);
     53   1.2    itojun 
     54  1.11      elad #endif /* !_NETINET6_IN6_GIF_H_ */
     55