User types:

ethernet_frame : user definition

 struct { tU08 destination [ ETH_ADDRESS_LEN ] ; tU08 source [ ETH_ADDRESS_LEN ] ; tU16 frame_size ; tU16 protocol ; tU16 buf_index ; } ethernet_frame ;

Ethernet packet header

tMACADStr : user definition

 union uMACADUnion { tU16 Word [ 3 ] ; tU08 Byte [ 6 ] ; } tMACADStr ;

MAC Address bits

tMCHASHStr : user definition

 union uMCHASHUnion { tU16 Word [ 4 ] ; tU08 Byte [ 8 ] ; } tMCHASHStr ;

Multicast Hash Table

tFRHEAD : user definition

 struct { tU08 da [ 6 ] ; tU08 sa [ 6 ] ; tU16 ft ; } tFRHEAD ;

Ethernet Frame Header type

pFRHEAD : user definition

 tFRHEAD * pFRHEAD ;

Pointer to Ethernet Frame Header type

tU08 : user definition

 unsigned char tU08 ;

Unsigned 8bit

UINT16 = tU16;

tU16 : user definition

 unsigned int tU16 ;

Unsigned 16bit

UINT8 = tU08;