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/*-
* Copyright (C) 1999-2000 by Maksim Yevmenkin <m_evmenkin@yahoo.com>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* BASED ON:
* -------------------------------------------------------------------------
*
* Copyright (c) 1998 Brian Somers <brian@Awfulhak.org>
* All rights reserved.
*
* Copyright (c) 1988, Julian Onions <jpo@cs.nott.ac.uk>
* Nottingham University 1987.
*/
/*
* $FreeBSD$
* $Id: if_tapvar.h,v 0.6 2000/07/11 02:16:08 max Exp $
*/
#ifndef _NET_IF_TAPVAR_H_
#define _NET_IF_TAPVAR_H_
/*
* tap_mtx locks tap_flags, tap_pid. tap_next locked with global tapmtx.
* Other fields locked by owning subsystems.
*/
struct tap_softc {
struct ifnet *tap_ifp;
u_short tap_flags; /* misc flags */
#define TAP_OPEN (1 << 0)
#define TAP_INITED (1 << 1)
#define TAP_RWAIT (1 << 2)
#define TAP_ASYNC (1 << 3)
#define TAP_READY (TAP_OPEN|TAP_INITED)
#define TAP_VMNET (1 << 4)
u_int8_t ether_addr[ETHER_ADDR_LEN]; /* ether addr of the remote side */
pid_t tap_pid; /* PID of process to open */
struct sigio *tap_sigio; /* information for async I/O */
struct selinfo tap_rsel; /* read select */
SLIST_ENTRY(tap_softc) tap_next; /* next device in chain */
struct cdev *tap_dev;
struct mtx tap_mtx; /* per-softc mutex */
struct cv tap_cv; /* protect ref'd dev destroy */
};
#endif /* !_NET_IF_TAPVAR_H_ */
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