IXGBE_EITR
IXGBE_WRITE_REG(&sc->hw, IXGBE_EITR(que->msix),
reg = IXGBE_READ_REG(&que->sc->hw, IXGBE_EITR(que->msix));
IXGBE_WRITE_REG(&que->sc->hw, IXGBE_EITR(que->msix), reg);
IXGBE_WRITE_REG(hw, IXGBE_EITR(sc->vector), IXGBE_LINK_ITR);
IXGBE_WRITE_REG(&sc->hw, IXGBE_EITR(rx_que->msix), newitr);