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Questions - driverkit

macOS NetworkingDriverKit - How can I register multiple ethernet interfaces?

I have tried extending IOUserNetworkEthernet and calling RegisterEthernetInterface(). This works perfectly for one ethernet interface, though the driver crashes when RegisterEthernetInterface is calle...
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Jake Stewart

macos

iokit

driverkit

Votes: 0

Answers: 1

Latest Answer

I haven't yet implemented an ethernet dext myself, but based on my experience with using DriverKit for other types of drivers and knowing its design goals, I have an idea what the solution might be. F...
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pmdj

MacOS PCI dext: scatter-gather DMA to application buffer

I am porting a MacOS PCI driver written with IOKit to the new PCIDriverKit framework. I am able to perform DMA with a contiguous buffer allocated inside the dext (with IOBufferMemoryDescriptor::Create...
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Philippe Cornet

macos

device-driver

iokit

driverkit

macos-system-extension

Votes: 0

Answers: 1

Latest Answer

It's not quite the same question as yours, but in my answer to it I go into some detail on memory descriptors in DriverKit extensions. Basically, in DriverKit you can only access user space memory tha...
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pmdj

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