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- /*
- * Mach Operating System
- * Copyright (c) 1987 Carnegie-Mellon University
- * All rights reserved. The CMU software License Agreement specifies
- * the terms and conditions for use and redistribution.
- */
-
- /*
- * Copyright (c) 1982, 1986 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that this notice is preserved and that due credit is given
- * to the University of California at Berkeley. The name of the University
- * may not be used to endorse or promote products derived from this
- * software without specific prior written permission. This software
- * is provided ``as is'' without express or implied warranty.
- *
- * HISTORY
- * 09-Apr-90 Bradley Taylor (btaylor) at NeXT, Inc.
- * Created. Originally part of <netinet/if_ether.h>.
- */
- #ifndef _ETHERDEFS_
- #define _ETHERDEFS_
-
- /*
- * Ethernet address - 6 octets
- */
- struct ether_addr {
- u_char ether_addr_octet[6];
- };
-
- /*
- * Structure of a 10Mb/s Ethernet header.
- */
- struct ether_header {
- u_char ether_dhost[6];
- u_char ether_shost[6];
- u_short ether_type;
- };
-
- #define IFTYPE_ETHERNET "10MB Ethernet"
-
- #define ETHERTYPE_PUP 0x0200 /* PUP protocol */
- #define ETHERTYPE_IP 0x0800 /* IP protocol */
- #define ETHERTYPE_ARP 0x0806 /* Addr. resolution protocol */
- #define ETHERTYPE_REVARP 0x8035 /* Reverse ARP (SUN_RPC) */
-
- /*
- * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have
- * (type-ETHERTYPE_TRAIL)*512 bytes of data followed
- * by an ETHER type (as given above) and then the (variable-length) header.
- */
- #define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */
- #define ETHERTYPE_NTRAILER 16
-
-
- #define ETHERHDRSIZE 14
- #define ETHERMTU 1500
-
- #define ETHERMIN (60-ETHERHDRSIZE)
-
- #endif /* _ETHERDEFS_ */
-