FreeBSD/Linux Kernel Cross Reference
sys/net/if_tap.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (C) 1999-2000 by Maksim Yevmenkin <m_evmenkin@yahoo.com>
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * BASED ON:
     * -------------------------------------------------------------------------
     *
     * Copyright (c) 1988, Julian Onions <jpo@cs.nott.ac.uk>
     * Nottingham University 1987.
     */
    
    /*
     * $FreeBSD: releng/12.0/sys/net/if_tap.h 326272 2017-11-27 15:23:17Z pfg $
     * $Id: if_tap.h,v 0.7 2000/07/12 04:12:51 max Exp $
     */
    
    #ifndef _NET_IF_TAP_H_
    #define _NET_IF_TAP_H_
    
    /* refer to if_tapvar.h for the softc stuff */
    
    /* maximum receive packet size (hard limit) */
    #define TAPMRU          16384
    
    struct tapinfo {
            int     baudrate;       /* linespeed                 */
            short   mtu;            /* maximum transmission unit */
            u_char  type;           /* ethernet, tokenring, etc. */
            u_char  dummy;          /* place holder              */
    };
    
    /* ioctl's for get/set debug */
    #define TAPSDEBUG               _IOW('t', 90, int)
    #define TAPGDEBUG               _IOR('t', 89, int)
    #define TAPSIFINFO              _IOW('t', 91, struct tapinfo)
    #define TAPGIFINFO              _IOR('t', 92, struct tapinfo)
    #define TAPGIFNAME              _IOR('t', 93, struct ifreq)
    
    /* VMware ioctl's */
    #define VMIO_SIOCSIFFLAGS       _IOWINT('V', 0)
    #define VMIO_SIOCSKEEP          _IO('V', 1)
    #define VMIO_SIOCSIFBR          _IO('V', 2)
    #define VMIO_SIOCSLADRF         _IO('V', 3)
    
    /* XXX -- unimplemented */
    #define VMIO_SIOCSETMACADDR     _IO('V', 4)
    
    /* XXX -- not used? */
    #define VMIO_SIOCPORT           _IO('V', 5)
    #define VMIO_SIOCBRIDGE         _IO('V', 6)
    #define VMIO_SIOCNETIF          _IO('V', 7)
    
    #endif /* !_NET_IF_TAP_H_ */

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