Not that my memory is ironclad, but I don’t recall any custom IP or even FPGA attempts at Google re: host networking or NICs. Any good search terms I should try to enlighten myself? thanks!

https://news.ycombinator.com/item?id=30757889

https://web.archive.org/web/20230711042824/https://www.wired...

https://static.googleusercontent.com/media/research.google.c...