1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /****************************************************************************** 3 * 4 * Copyright(c) 2007 - 2017 Realtek Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of version 2 of the GNU General Public License as 8 * published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 * 15 *****************************************************************************/ 16 /*! \file */ 17 #ifndef __INC_ETHERNET_H 18 #define __INC_ETHERNET_H 19 20 #define ETHERNET_ADDRESS_LENGTH 6 /* !< Ethernet Address Length */ 21 #define ETHERNET_HEADER_SIZE 14 /* !< Ethernet Header Length */ 22 #define LLC_HEADER_SIZE 6 /* !< LLC Header Length */ 23 #define TYPE_LENGTH_FIELD_SIZE 2 /* !< Type/Length Size */ 24 #define MINIMUM_ETHERNET_PACKET_SIZE 60 /* !< Minimum Ethernet Packet Size */ 25 #define MAXIMUM_ETHERNET_PACKET_SIZE 1514 /* !< Maximum Ethernet Packet Size */ 26 27 #define RT_ETH_IS_MULTICAST(_pAddr) ((((u8 *)(_pAddr))[0]&0x01) != 0) /* !< Is Multicast Address? */ 28 #define RT_ETH_IS_BROADCAST(_pAddr) (\ 29 ((u8 *)(_pAddr))[0] == 0xff && \ 30 ((u8 *)(_pAddr))[1] == 0xff && \ 31 ((u8 *)(_pAddr))[2] == 0xff && \ 32 ((u8 *)(_pAddr))[3] == 0xff && \ 33 ((u8 *)(_pAddr))[4] == 0xff && \ 34 ((u8 *)(_pAddr))[5] == 0xff) /* !< Is Broadcast Address? */ 35 36 37 #endif /* #ifndef __INC_ETHERNET_H */ 38