bsd/net/etherdefs.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * Mach Operating System
  24  * Copyright (c) 1987 Carnegie-Mellon University
  25  * All rights reserved.  The CMU software License Agreement specifies
  26  * the terms and conditions for use and redistribution.
  27  */
  28
  29 /*
  30  * Copyright (c) 1982, 1986 Regents of the University of California.
  31  * All rights reserved.
  32  *
  33  * Redistribution and use in source and binary forms are permitted
  34  * provided that this notice is preserved and that due credit is given
  35  * to the University of California at Berkeley. The name of the University
  36  * may not be used to endorse or promote products derived from this
  37  * software without specific prior written permission. This software
  38  * is provided ``as is'' without express or implied warranty.
  39  *
  40  * HISTORY
  41  * 11-Jul-93  Mac Gillon (mgillon) at NeXT
  42  *      Integrated MULTICAST support
  43  *
  44  * 09-Apr-90  Bradley Taylor (btaylor) at NeXT, Inc.
  45  *      Created. Originally part of <netinet/if_ether.h>.
  46  */
  47 #ifndef _ETHERDEFS_
  48 #define _ETHERDEFS_
  49
  50 #include        <netinet/if_ether.h>
  51 /*
  52  * Ethernet address - 6 octets
  53  */
  54 #define NUM_EN_ADDR_BYTES       6
  55
  56
  57 typedef struct ether_addr enet_addr_t;
  58
  59 typedef struct ether_header ether_header_t;
  60
  61 #define IFTYPE_ETHERNET "10MB Ethernet"
  62
  63 #define ETHERHDRSIZE    14
  64 #define ETHERMAXPACKET  (ETHERHDRSIZE + ETHERMTU)
  65 #define ETHERMINPACKET  64
  66 #define ETHERCRC        4
  67
  68 /*
  69  * Byte and bit in an enet_addr_t defining individual/group destination.
  70  */
  71 #define EA_GROUP_BYTE   0
  72 #define EA_GROUP_BIT    0x01
  73
  74
  75 #endif /* _ETHERDEFS_ */