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71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
/*
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* Copyright (C) 1999-2000 by Maksim Yevmenkin <m_evmenkin@yahoo.com>
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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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* BASED ON:
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* -------------------------------------------------------------------------
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*
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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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* Copyright (c) 1988, Julian Onions <jpo@cs.nott.ac.uk>
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* Nottingham University 1987.
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*/
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/*
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* $FreeBSD$
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* $Id: if_tapvar.h,v 0.6 2000/07/11 02:16:08 max Exp $
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*/
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#ifndef _NET_IF_TAPVAR_H_
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#define _NET_IF_TAPVAR_H_
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/*
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* tap_mtx locks tap_flags, tap_pid. tap_next locked with global tapmtx.
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* Other fields locked by owning subsystems.
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*/
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struct tap_softc {
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struct arpcom arpcom; /* ethernet common data */
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#define tap_if arpcom.ac_if
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u_short tap_flags; /* misc flags */
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#define TAP_OPEN (1 << 0)
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#define TAP_INITED (1 << 1)
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#define TAP_RWAIT (1 << 2)
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#define TAP_ASYNC (1 << 3)
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#define TAP_READY (TAP_OPEN|TAP_INITED)
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#define TAP_VMNET (1 << 4)
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u_int8_t ether_addr[ETHER_ADDR_LEN]; /* ether addr of the remote side */
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pid_t tap_pid; /* PID of process to open */
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struct sigio *tap_sigio; /* information for async I/O */
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struct selinfo tap_rsel; /* read select */
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SLIST_ENTRY(tap_softc) tap_next; /* next device in chain */
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struct cdev *tap_dev;
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struct mtx tap_mtx; /* per-softc mutex */
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};
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#endif /* !_NET_IF_TAPVAR_H_ */
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