xref: /freebsd/sys/net/if_tap.h (revision 41059135ce931c0f1014a999ffabc6bc470ce856)
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) 1988, Julian Onions <jpo@cs.nott.ac.uk>
30  * Nottingham University 1987.
31  */
32 
33 /*
34  * $FreeBSD$
35  * $Id: if_tap.h,v 0.7 2000/07/12 04:12:51 max Exp $
36  */
37 
38 #ifndef _NET_IF_TAP_H_
39 #define _NET_IF_TAP_H_
40 
41 /* refer to if_tapvar.h for the softc stuff */
42 
43 /* maximum receive packet size (hard limit) */
44 #define	TAPMRU		16384
45 
46 struct tapinfo {
47 	int	baudrate;	/* linespeed                 */
48 	short	mtu;		/* maximum transmission unit */
49 	u_char	type;		/* ethernet, tokenring, etc. */
50 	u_char	dummy;		/* place holder              */
51 };
52 
53 /* ioctl's for get/set debug */
54 #define	TAPSDEBUG		_IOW('t', 90, int)
55 #define	TAPGDEBUG		_IOR('t', 89, int)
56 #define	TAPSIFINFO		_IOW('t', 91, struct tapinfo)
57 #define	TAPGIFINFO		_IOR('t', 92, struct tapinfo)
58 #define	TAPGIFNAME		_IOR('t', 93, struct ifreq)
59 
60 /* VMware ioctl's */
61 #define VMIO_SIOCSIFFLAGS	_IOWINT('V', 0)
62 #define VMIO_SIOCSKEEP		_IO('V', 1)
63 #define VMIO_SIOCSIFBR		_IO('V', 2)
64 #define VMIO_SIOCSLADRF		_IO('V', 3)
65 
66 /* XXX -- unimplemented */
67 #define VMIO_SIOCSETMACADDR	_IO('V', 4)
68 
69 /* XXX -- not used? */
70 #define VMIO_SIOCPORT		_IO('V', 5)
71 #define VMIO_SIOCBRIDGE		_IO('V', 6)
72 #define VMIO_SIOCNETIF		_IO('V', 7)
73 
74 #endif /* !_NET_IF_TAP_H_ */
75