1 /******************************************************************************
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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.
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
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
19 ******************************************************************************/
21 #ifndef __INC_ETHERNET_H
22 #define __INC_ETHERNET_H
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
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?
41 #endif // #ifndef __INC_ETHERNET_H