1 /****************************************************************************** 2 * 3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 17 * 18 * 19 ******************************************************************************/ 20 /*! \file */ 21 #ifndef __INC_ETHERNET_H 22 #define __INC_ETHERNET_H 23 24 #define ETHERNET_ADDRESS_LENGTH 6 //!< Ethernet Address Length 25 #define ETHERNET_HEADER_SIZE 14 //!< Ethernet Header Length 26 #define LLC_HEADER_SIZE 6 //!< LLC Header Length 27 #define TYPE_LENGTH_FIELD_SIZE 2 //!< Type/Length Size 28 #define MINIMUM_ETHERNET_PACKET_SIZE 60 //!< Minimum Ethernet Packet Size 29 #define MAXIMUM_ETHERNET_PACKET_SIZE 1514 //!< Maximum Ethernet Packet Size 30 31 #define RT_ETH_IS_MULTICAST(_pAddr) ((((UCHAR *)(_pAddr))[0]&0x01)!=0) //!< Is Multicast Address? 32 #define RT_ETH_IS_BROADCAST(_pAddr) ( \ 33 ((UCHAR *)(_pAddr))[0]==0xff && \ 34 ((UCHAR *)(_pAddr))[1]==0xff && \ 35 ((UCHAR *)(_pAddr))[2]==0xff && \ 36 ((UCHAR *)(_pAddr))[3]==0xff && \ 37 ((UCHAR *)(_pAddr))[4]==0xff && \ 38 ((UCHAR *)(_pAddr))[5]==0xff ) //!< Is Broadcast Address? 39 40 41 #endif // #ifndef __INC_ETHERNET_H 42 43