1 #ifndef __INC_ETHERNET_H 2 #define __INC_ETHERNET_H 3 4 #define ETHERNET_ADDRESS_LENGTH 6 /*!< Ethernet Address Length*/ 5 #define ETHERNET_HEADER_SIZE 14 /*!< Ethernet Header Length*/ 6 #define LLC_HEADER_SIZE 6 /*!< LLC Header Length*/ 7 #define TYPE_LENGTH_FIELD_SIZE 2 /*!< Type/Length Size*/ 8 #define MINIMUM_ETHERNET_PACKET_SIZE 60 /*!< Min Ethernet Packet Size*/ 9 #define MAXIMUM_ETHERNET_PACKET_SIZE 1514 /*!< Max Ethernet Packet Size*/ 10 11 /*!< Is Multicast Address? */ 12 #define RT_ETH_IS_MULTICAST(_pAddr) ((((u8 *)(_pAddr))[0]&0x01) != 0) 13 /*!< Is Broadcast Address? */ 14 #define RT_ETH_IS_BROADCAST(_pAddr) ( \ 15 ((u8 *)(_pAddr))[0] == 0xff && \ 16 ((u8 *)(_pAddr))[1] == 0xff && \ 17 ((u8 *)(_pAddr))[2] == 0xff && \ 18 ((u8 *)(_pAddr))[3] == 0xff && \ 19 ((u8 *)(_pAddr))[4] == 0xff && \ 20 ((u8 *)(_pAddr))[5] == 0xff) 21 22 #endif /* #ifndef __INC_ETHERNET_H */ 23 24