rtl8188eu/include/ethernet.h

/******************************************************************************
 *
 * 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	/*  Min Ethernet Packet Size */
#define MAXIMUM_ETHERNET_PACKET_SIZE	1514	/*  Max Ethernet Packet Size */

/*  Is Multicast Address? */
#define RT_ETH_IS_MULTICAST(_addr)	((((u8 *)(_addr))[0]&0x01) != 0)
#define RT_ETH_IS_BROADCAST(_addr)	(			\
		((u8 *)(_addr))[0] == 0xff &&		\
		((u8 *)(_addr))[1] == 0xff &&		\
		((u8 *)(_addr))[2] == 0xff &&		\
		((u8 *)(_addr))[3] == 0xff &&		\
		((u8 *)(_addr))[4] == 0xff &&		\
		((u8 *)(_addr))[5] == 0xff)	/*  Is Broadcast Address? */

#endif /*  #ifndef __INC_ETHERNET_H */