fb45b6d4e3
failures in MOD_LOAD. Dodge duplicate make_dev() calls by (ab)using dev->si_drv2 to remember if we created the device node via a dev_clone callback before the d_open call.
56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
/*-
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* Copyright (c) 1998 Brian Somers <brian@Awfulhak.org>
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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 AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NET_IF_TUNVAR_H_
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#define _NET_IF_TUNVAR_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_LMODE 0x0020
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#define TUN_RWAIT 0x0040
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#define TUN_ASYNC 0x0080
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#define TUN_IFHEAD 0x0100
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#define TUN_READY (TUN_OPEN | TUN_INITED)
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pid_t tun_pid; /* PID of process to open */
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struct ifnet tun_if; /* the interface */
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struct sigio *tun_sigio; /* information for async I/O */
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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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struct tun_softc *next; /* Next softc in list */
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};
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#endif /* !_NET_IF_TUNVAR_H_ */
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