Date: Wed, 11 Mar 2026 16:16:23 +0100 From: Bugs Beastie <bugsbeastie@gmail.com> To: Vladimir Varankin <vladimir@varank.in> Cc: freebsd-wireless@freebsd.org Subject: Re: Rebuilding brcmfmac Wi-Fi driver with the help of AI Message-ID: <75f56507-49e8-4f43-987f-7025d62b0bd9@gmail.com> In-Reply-To: <CAGLqCM=55k2j%2B_-pH7Sdh2SevXyrr6GF3yMaSD_RJMXSfxaz3Q@mail.gmail.com>
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Mar 10, 2026 20:33:53 Vladimir Varankin <vladimir@varank.in>: > I recently wrote a blog post [1] sharing my experience of rebuilding > a Wi-Fi driver for BCM4350 for FreeBSD with the help of agenting AI > tooling. > Omitting any comments about AI usege,...cool and impressive! :) Very practical question: Given the workflow, prompts, AI models to use, etc. are in place AND you have a physical Raspberry Pi 4, how long would it take to vibe-port brcmfmac43455-sdio wifi driver? The complication it is attached via SDIO interface, not PCI! Question out of curiosity: C/Zig split rationale - at the end 94.7% of code is in C, 4.7% in Zig. Would you still go for anything in Zig again? > I'm aware that different groups of people have different opinions about > the topic of using AI in software development. Still I think this was > a fairly interesting experiment, and I'm curious to hear the opinion > on the approach and the results, from people close to in-tree drivers > development. > > The GitHub repository [2] includes documentation about the testing > approach, recorded decisions and know issues (which I'm — still with > the help of AI agents — addressing in my spare time). > > P.S. Just to be absolute clear: I'm not proposing or suggesting to > upstream the code of this driver. Neither do I think that in the current > state the AIs can vibe-code something reliable in one go. But I do think, > the tooling can be a huge multiplier for building, testing, explaining, > reviewing, etc large bodies of complex code. > > Cheers, > V. > > [1]: https://vladimir.varank.in/notes/2026/02/freebsd-brcmfmac/ > [2]: https://github.com/narqo/freebsd-brcmfmac > > -- > Vladimir Varankin > vladimir@varank.inhome | help
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