OP Code,Description,Reference
0x00,Reserved,[RFC5433]
0x01,GPSK-1,[RFC5433]
0x02,GPSK-2,[RFC5433]
0x03,GPSK-3,[RFC5433]
0x04,GPSK-4,[RFC5433]
0x05,GPSK-Fail,[RFC5433]
0x06,GPSK-Protected-Fail,[RFC5433]
0x07-0xFF,Unassigned,