Is not original driver from Realtek, is build from source code from others official Realtek drivers.
To compile the driver, you need to have make and a compiler installed. In addition, you must have the kernel headers installed. If you do not understand what this means, consult your distro.
make
sudo make install
eject /dev/cdrom0
I tested on Ubuntu 16.04, 20.04 and last version OpenWRT, it's work...