if_ether.h

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    1 /*
    2  * Mach Operating System
    3  * Copyright (c) 1991 Carnegie Mellon University
    4  * All Rights Reserved.
    5  * 
    6  * Permission to use, copy, modify and distribute this software and its
    7  * documentation is hereby granted, provided that both the copyright
    8  * notice and this permission notice appear in all copies of the
    9  * software, derivative works or modified versions, and any portions
   10  * thereof, and that both notices appear in supporting documentation.
   11  *
   12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15  *
   16  * Carnegie Mellon requests users of this software to return to
   17  *
   18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19  *  School of Computer Science
   20  *  Carnegie Mellon University
   21  *  Pittsburgh PA 15213-3890
   22  *
   23  * any improvements or extensions that they make and grant Carnegie Mellon
   24  * the rights to redistribute these changes.
   25  */
   26 /*
   27  * HISTORY
   28  * $Log:        if_ether.h,v $
   29  * Revision 2.4  91/08/03  18:17:37  jsb
   30  *      Protected against multiple inclusion.
   31  *      [91/07/24  22:57:01  jsb]
   32  * 
   33  * Revision 2.3  91/05/14  15:48:21  mrt
   34  *      Correcting copyright
   35  * 
   36  * Revision 2.2  91/02/05  17:09:40  mrt
   37  *      Changed to new Mach copyright
   38  *      [91/01/31  17:29:27  mrt]
   39  * 
   40  */
   41 /*
   42  * Ethernet definitions.
   43  */
   44 /*
   45  *      Author: David B. Golub, Carnegie Mellon University
   46  *      Date:   8/89
   47  */
   48 
   49 #ifndef _DEVICE_IF_ETHER_H_
   50 #define _DEVICE_IF_ETHER_H_
   51 
   52 #include <sys/types.h>
   53 
   54 /*
   55  * Structure of a 10Mb/s Ethernet header.
   56  */
   57 struct  ether_header {
   58         u_char  ether_dhost[6];
   59         u_char  ether_shost[6];
   60         u_short ether_type;
   61 };
   62 
   63 #define ETHERMTU        1500
   64 #define ETHERMIN        (60-14)
   65 
   66 #ifdef  KERNEL
   67 u_char  etherbroadcastaddr[6];
   68 
   69 extern char *   ether_sprintf();
   70 #endif  KERNEL
   71 
   72 #endif  /*_DEVICE_IF_ETHER_H_*/

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FreeBSD/Linux Kernel Cross Reference sys/device/if_ether.h

FreeBSD/Linux Kernel Cross Reference
sys/device/if_ether.h