--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ *
+ ******************************************************************************/
+/*! \file */
+#ifndef __INC_ETHERNET_H
+#define __INC_ETHERNET_H
+
+#define ETHERNET_ADDRESS_LENGTH 6 /* !< Ethernet Address Length */
+#define ETHERNET_HEADER_SIZE 14 /* !< Ethernet Header Length */
+#define LLC_HEADER_SIZE 6 /* !< LLC Header Length */
+#define TYPE_LENGTH_FIELD_SIZE 2 /* !< Type/Length Size */
+#define MINIMUM_ETHERNET_PACKET_SIZE 60 /* !< Minimum Ethernet Packet Size */
+#define MAXIMUM_ETHERNET_PACKET_SIZE 1514 /* !< Maximum Ethernet Packet Size */
+
+#define RT_ETH_IS_MULTICAST(_pAddr) ((((UCHAR *)(_pAddr))[0]&0x01) != 0) /* !< Is Multicast Address? */
+#define RT_ETH_IS_BROADCAST(_pAddr) (\
+ ((UCHAR *)(_pAddr))[0] == 0xff && \
+ ((UCHAR *)(_pAddr))[1] == 0xff && \
+ ((UCHAR *)(_pAddr))[2] == 0xff && \
+ ((UCHAR *)(_pAddr))[3] == 0xff && \
+ ((UCHAR *)(_pAddr))[4] == 0xff && \
+ ((UCHAR *)(_pAddr))[5] == 0xff) /* !< Is Broadcast Address? */
+
+
+#endif /* #ifndef __INC_ETHERNET_H */