39 lines
996 B
C
39 lines
996 B
C
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/*
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* Copyright (c) 1988, Julian Onions.
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*
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* This source may be freely distributed, however I would be interested
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* in any changes that are made.
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*
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* from: $Header: if_tnreg.h,v 1.1.2.1 1992/07/16 22:39:16 friedl Exp
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* $Id: if_tun.h,v 1.1 1993/11/14 20:07:23 deraadt Exp $
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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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struct tun_softc {
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u_short tun_flags; /* misc flags */
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#define TUN_OPEN 0x0001
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#define TUN_INITED 0x0002
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#define TUN_RCOLL 0x0004
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#define TUN_IASET 0x0008
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#define TUN_DSTADDR 0x0010
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#define TUN_READY 0x0020
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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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struct ifnet tun_if; /* the interface */
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int tun_pgrp; /* the process group - if any */
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struct selinfo tun_rsel; /* read select */
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struct selinfo tun_wsel; /* write select (not used) */
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};
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/* Maximum packet size */
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#define TUNMTU 0x1000
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/* ioctl's for get/set debug */
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#define TUNSDEBUG _IOW('t', 90, int)
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#define TUNGDEBUG _IOR('t', 89, int)
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#endif /* !_NET_IF_TUN_H_ */
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