ieee 802.3 frame format

iam doing project on frame synchronization..concept...in that iam implementing ieee802.3 frame format... can any one help in writting vhdl code and verilog code for the ieee802.3 frame format.. frame contain 1.preamble ..56 bits of 10......10..10 format. 2.start frame delimiter 1 byte..10101011.. bits.. 3.length.type field 4.data field 5.padding field 6.frame check sequence can any one help in writting the code foe this modules