IGC_RDT
{ IGC_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
{IGC_RDT(0), "RDT"},
case IGC_RDT(0):
regs[n] = rd32(IGC_RDT(n));
regs_buff[115 + i] = rd32(IGC_RDT(i));
ring->tail = adapter->io_addr + IGC_RDT(reg_idx);