I40E_QINT_RQCTL
wr32(hw, I40E_QINT_RQCTL(i), 0);
wr32(hw, I40E_QINT_RQCTL(i), reg);
wr32(hw, I40E_QINT_RQCTL(0), reg);
offset = I40E_QINT_RQCTL(cur_queue);
rd32(hw, I40E_QINT_RQCTL(rx_que->msix - 1)));