xref: /freebsd/sys/net/if_tap.h (revision e796cc77c586c2955b2f3940dbf4991b31e8d289)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (C) 1999-2000 by Maksim Yevmenkin <m_evmenkin@yahoo.com>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * BASED ON:
29  * -------------------------------------------------------------------------
30  *
31  * Copyright (c) 1988, Julian Onions <jpo@cs.nott.ac.uk>
32  * Nottingham University 1987.
33  */
34 
35 /*
36  * $FreeBSD$
37  * $Id: if_tap.h,v 0.7 2000/07/12 04:12:51 max Exp $
38  */
39 
40 #ifndef _NET_IF_TAP_H_
41 #define _NET_IF_TAP_H_
42 
43 /* refer to if_tapvar.h for the softc stuff */
44 
45 /* maximum receive packet size (hard limit) */
46 #define	TAPMRU		16384
47 
48 struct tapinfo {
49 	int	baudrate;	/* linespeed                 */
50 	short	mtu;		/* maximum transmission unit */
51 	u_char	type;		/* ethernet, tokenring, etc. */
52 	u_char	dummy;		/* place holder              */
53 };
54 
55 /* ioctl's for get/set debug */
56 #define	TAPSDEBUG		_IOW('t', 90, int)
57 #define	TAPGDEBUG		_IOR('t', 89, int)
58 #define	TAPSIFINFO		_IOW('t', 91, struct tapinfo)
59 #define	TAPGIFINFO		_IOR('t', 92, struct tapinfo)
60 #define	TAPGIFNAME		_IOR('t', 93, struct ifreq)
61 
62 /* VMware ioctl's */
63 #define VMIO_SIOCSIFFLAGS	_IOWINT('V', 0)
64 #define VMIO_SIOCSKEEP		_IO('V', 1)
65 #define VMIO_SIOCSIFBR		_IO('V', 2)
66 #define VMIO_SIOCSLADRF		_IO('V', 3)
67 
68 /* XXX -- unimplemented */
69 #define VMIO_SIOCSETMACADDR	_IO('V', 4)
70 
71 /* XXX -- not used? */
72 #define VMIO_SIOCPORT		_IO('V', 5)
73 #define VMIO_SIOCBRIDGE		_IO('V', 6)
74 #define VMIO_SIOCNETIF		_IO('V', 7)
75 
76 #endif /* !_NET_IF_TAP_H_ */
77