Linux kernel driver not needed for SocketCAN (AF_CAN, PF_CAN)
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  • You can get SocketCan just by using vcan
    ip link add type vcan

    (see Documentation/networking/can.txt in the linux kernel source)

    and then feeding packets into it. So the driver can be written from user-space.

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  • That said, a kernel driver might give better performance. Performance of the current firmware is atrocious, and there is an existing socketcan driver for what is almost the same avr hardware

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    Yeah, I've been looking into that. Should be relatively straight forward. I'm going to make a firmware version specifically for SocketCAN as it doesn't need the MITM stuff.

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  • I'd love to see a high-performance SocketCAN implementation with CBT. There are a growing number of tools and libraries out there that make this an awesome tool.

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