Consider a hypothetical device driver.

考虑这样一个假想的设备驱动程序。

Then, open the device driver and get the file descriptor.

然后打开设备驱动器并获取文件描述符。

Also, you can use friendly name if your device driver supports it.

此外，如果您的设备驱动程序支持，则可以使用友好的名称。

Packets are enqueued for transmission and dequeued by the device driver.

数据包是由设备驱动进行入队传输和出队。

You will also be applying a patch (extra routines) to your device driver.

还需要对设备驱动程序应用一个补丁(附加例程)。