IXGBE_RTTBCNRM
regs_buff[1135] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRM);
IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x4);
IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x14);