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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_ */