Author Topic: Upper and Lower Filter Drivers!  (Read 1082 times)

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Offline AlishaSandy

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Upper and Lower Filter Drivers!
« on: November 02, 2020, 07:46:45 am »
Hi everyone.

Is there any concept of filter driver in case of Linux like in Windows OS. In windows we can write a filter driver to enhance the behaviour of an existing driver and this filter driver can be attached to main driver either above or below. I was wondering whether such a concept has been introduced into Linux or is the only option to rewrite the appropriate driver and insmod it? ufabetxxx

Many thanks.

Offline Mad Penguin

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Re: Upper and Lower Filter Drivers!
« Reply #1 on: November 02, 2020, 01:18:47 pm »
Hi Alisha, I'm not aware of any such facility, but then for the most part from what you describe it would seem to be pretty pointless on Linux. If you want to enhance a Linux driver, simply take the source for the actual driver and enhance it, and if you want to share, submit it back into the eco-system with said enhancements. This will always be easier, more robust and more performant than trying to build a framework around the driver. I'm kinda guessing this is a feature Windows needs "because" it's not Open Source and amending Windows code isn't really an option ...

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Re: Upper and Lower Filter Drivers!
« Reply #1 on: November 02, 2020, 01:18:47 pm »


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