Annotation of sys/net/if_tun.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_tun.h,v 1.15 2007/02/06 10:49:40 claudio Exp $ */
2:
3: /*
4: * Copyright (c) 1988, Julian Onions <Julian.Onions@nexor.co.uk>
5: * Nottingham University 1987.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27: */
28:
29: #ifndef _NET_IF_TUN_H_
30: #define _NET_IF_TUN_H_
31:
32: #include <sys/ioccom.h>
33:
34: #define TUN_OPEN 0x0001
35: #define TUN_INITED 0x0002
36: #define TUN_RCOLL 0x0004 /* unused */
37: #define TUN_IASET 0x0008
38: #define TUN_DSTADDR 0x0010
39: #define TUN_RWAIT 0x0040
40: #define TUN_ASYNC 0x0080
41: #define TUN_NBIO 0x0100
42: #define TUN_BRDADDR 0x0200
43: #define TUN_STAYUP 0x0400
44: #define TUN_LAYER2 0x0800
45:
46: #define TUN_READY (TUN_OPEN | TUN_INITED)
47:
48: /* Maximum packet size */
49: #define TUNMTU 3000
50:
51: /* Maximum receive packet size (hard limit) */
52: #define TUNMRU 16384
53:
54: /* iface info */
55: struct tuninfo {
56: u_int mtu;
57: u_short type;
58: u_short flags;
59: u_int baudrate;
60: };
61: #define TUNSIFINFO _IOW('t', 91, struct tuninfo)
62: #define TUNGIFINFO _IOR('t', 92, struct tuninfo)
63:
64: /* ioctl for changing the broadcast/point-to-point status */
65: #define TUNSIFMODE _IOW('t', 93, int)
66:
67: /* ioctl's for get/set debug */
68: #define TUNSDEBUG _IOW('t', 94, int)
69: #define TUNGDEBUG _IOR('t', 95, int)
70:
71: #endif /* _NET_IF_TUN_H_ */
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