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Diffstat (limited to 'device/if_ether.h')
| -rw-r--r-- | device/if_ether.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/device/if_ether.h b/device/if_ether.h new file mode 100644 index 0000000..da83fcf --- /dev/null +++ b/device/if_ether.h @@ -0,0 +1,57 @@ +/* + * Mach Operating System + * Copyright (c) 1991 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + * Ethernet definitions. + */ +/* + * Author: David B. Golub, Carnegie Mellon University + * Date: 8/89 + */ + +#ifndef _DEVICE_IF_ETHER_H_ +#define _DEVICE_IF_ETHER_H_ + +#include <sys/types.h> + +/* + * 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 ETHERMTU 1500 +#define ETHERMIN (60-14) + +#ifdef KERNEL +u_char etherbroadcastaddr[6]; + +extern char * ether_sprintf(); +#endif KERNEL + +#endif /*_DEVICE_IF_ETHER_H_*/ |