in android, we can provide Wifi driver either as a module or built in kernel, what is the difference between them. And how to choose them?
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in android, we can provide Wifi driver either as a module or built in kernel, what is the difference between them. And how to choose them?
For the module, you need to manually load it with
insmodto use it.Then you can lookup the modules in the system with
lsmod.With it built in the driver, system loads it automatically on system start.
You can choose them when you build the linux kernel in menuconfig. Either you want it built into the kernel or not.
In android the wifi module is loaded into system when you go to the settings and select to turn on wifi. When you select to turn it off, it removes the wifi module by calling a function similar to
rmmod.