IXGBE_RXCTRL
rxctrl = IXGBE_READ_REG(&sc->hw, IXGBE_RXCTRL);
rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl);
rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, (rxctrl | IXGBE_RXCTRL_RXEN));
IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, regval);
rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl);