IXGBE_WUFC
IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0);
IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wol);
regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
IXGBE_WRITE_REG(hw, IXGBE_WUFC, wufc);
IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0);