NetBSD/sys/netinet6/in6_gif.h
knakahara 493e35e35d preserve gif(4) configs by psref(9) like vlan(4) and l2tp(4).
After Tx side does not use softint, gif(4) can use psref(9) for config
preservation like vlan(4) and l2tp(4).

update locking notes later.
2017-11-27 05:02:22 +00:00

50 lines
2.2 KiB
C

/* $NetBSD: in6_gif.h,v 1.17 2017/11/27 05:02:22 knakahara Exp $ */
/* $KAME: in6_gif.h,v 1.7 2001/07/26 06:53:16 jinmei 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 _NETINET6_IN6_GIF_H_
#define _NETINET6_IN6_GIF_H_
#define GIF_HLIM 30
extern int ip6_gif_hlim; /* Hop limit for gif encap packet */
struct gif_variant;
struct sockaddr;
int in6_gif_input(struct mbuf **, int *, int, void *);
#ifdef GIF_ENCAPCHECK
int gif_encapcheck6(struct mbuf *, int, int, struct gif_variant *);
#endif
int in6_gif_attach(struct gif_variant *);
int in6_gif_detach(struct gif_variant *);
void *in6_gif_ctlinput(int, const struct sockaddr *, void *, void *);
#endif /* !_NETINET6_IN6_GIF_H_ */