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authorThomas Bushnell <thomas@gnu.org>1997-02-25 21:28:37 +0000
committerThomas Bushnell <thomas@gnu.org>1997-02-25 21:28:37 +0000
commitf07a4c844da9f0ecae5bbee1ab94be56505f26f7 (patch)
tree12b07c7e578fc1a5f53dbfde2632408491ff2a70 /device/if_ether.h
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+/*
+ * 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_*/