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