[linux-morello] Re: Add PCuABI support for TUN driver

On 2/24/23 10:05, David Horton wrote:

Wow! Mighty quick work Vincenzo. Thanks for the prompt response.

Thanks David happy to have helped.

In future if you have more questions or patches to submit please feel free to use the list as a primary mean of communication. ^__^

I've done a fairly thorough test of the patches:

• builds OK
• boots OK
• Base ABI application is able to use dev/net/tun for VPN communication, including ioctl calls.
• Purecap ABI test application is able to open dev/net/tun and make an ioctl call without error. I don't have my full VPN application running purecap yet, but built a small C test harness for this.
• anti-test: Purecap ABI test application running on Debian version WITHOUT the patch (but with my hack described in original post) is able to open dev/net/tun but ioctl returns an error.

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