72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
/* $OpenBSD: if_tun.h,v 1.15 2007/02/06 10:49:40 claudio Exp $ */
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/*
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* Copyright (c) 1988, Julian Onions <Julian.Onions@nexor.co.uk>
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* Nottingham University 1987.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _NET_IF_TUN_H_
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#define _NET_IF_TUN_H_
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#include <sys/ioccom.h>
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#define TUN_OPEN 0x0001
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#define TUN_INITED 0x0002
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#define TUN_RCOLL 0x0004 /* unused */
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#define TUN_IASET 0x0008
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#define TUN_DSTADDR 0x0010
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#define TUN_RWAIT 0x0040
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#define TUN_ASYNC 0x0080
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#define TUN_NBIO 0x0100
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#define TUN_BRDADDR 0x0200
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#define TUN_STAYUP 0x0400
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#define TUN_LAYER2 0x0800
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#define TUN_READY (TUN_OPEN | TUN_INITED)
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/* Maximum packet size */
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#define TUNMTU 3000
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/* Maximum receive packet size (hard limit) */
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#define TUNMRU 16384
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/* iface info */
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struct tuninfo {
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u_int mtu;
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u_short type;
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u_short flags;
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u_int baudrate;
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};
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#define TUNSIFINFO _IOW('t', 91, struct tuninfo)
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#define TUNGIFINFO _IOR('t', 92, struct tuninfo)
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/* ioctl for changing the broadcast/point-to-point status */
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#define TUNSIFMODE _IOW('t', 93, int)
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/* ioctl's for get/set debug */
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#define TUNSDEBUG _IOW('t', 94, int)
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#define TUNGDEBUG _IOR('t', 95, int)
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#endif /* _NET_IF_TUN_H_ */
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