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Annotation of sys/net/if_tun.h, Revision 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_ */