if_tapvar.h revision 126908 
1/*
2 * Copyright (C) 1999-2000 by Maksim Yevmenkin <m_evmenkin@yahoo.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * BASED ON:
27 * -------------------------------------------------------------------------
28 *
29 * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org>
30 * All rights reserved.
31 *
32 * Copyright (c) 1988, Julian Onions <jpo@cs.nott.ac.uk>
33 * Nottingham University 1987.
34 */
35
36/*
37 * $FreeBSD: head/sys/net/if_tapvar.h 126908 2004-03-13 05:51:06Z rwatson $
38 * $Id: if_tapvar.h,v 0.6 2000/07/11 02:16:08 max Exp $
39 */
40
41#ifndef _NET_IF_TAPVAR_H_
42#define _NET_IF_TAPVAR_H_
43
44struct tap_softc {
45	struct arpcom	arpcom;			/* ethernet common data      */
46#define tap_if		arpcom.ac_if
47	u_short		tap_flags;		/* misc flags                */
48#define	TAP_OPEN	(1 << 0)
49#define	TAP_INITED	(1 << 1)
50#define	TAP_RWAIT	(1 << 2)
51#define	TAP_ASYNC	(1 << 3)
52#define TAP_READY       (TAP_OPEN|TAP_INITED)
53#define	TAP_VMNET	(1 << 4)
54
55	u_int8_t 	ether_addr[ETHER_ADDR_LEN]; /* ether addr of the remote side */
56
57	pid_t		 tap_pid;		/* PID of process to open    */
58	struct sigio	*tap_sigio;		/* information for async I/O */
59	struct selinfo	 tap_rsel;		/* read select               */
60
61	SLIST_ENTRY(tap_softc)	tap_next;	/* next device in chain      */
62	dev_t		 tap_dev;
63};
64
65#endif /* !_NET_IF_TAPVAR_H_ */
66