Date: Mon, 31 Aug 2020 15:08:01 +0200 From: Denis Salopek <denissal@freebsd.org> To: soc-status@freebsd.org Subject: [GSoC '20] NetFPGA SUME reference NIC device driver Message-ID: <CA%2BQrT8TcVi7Xs-McMfXsNDMgUg1fYqub5j=wJ63fy8dNoGGutg@mail.gmail.com>
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Hello everyone! Project wiki: https://wiki.freebsd.org/SummerOfCode2020Projects/NetFPGA_SUME_Driver After spending some time in the reviewing process and fixing a couple of hidden bugs, I am happy to report that the driver has been merged in FreeBSD (commit https://reviews.freebsd.org/rS364973 ). While programming the driver and trying out the SUME board with both available SUME NIC designs (reference NIC and NICv2), I was met with various unexpected hardware issues which proved to be difficult to address. To alleviate the problems arising from these issues, the NetFPGA reference NIC driver I've developed with the help from my mentors now includes some additional features, not available in the original Linux version: - more balanced TCP throughput, - link state detection / reporting, - access to hardware counters via sysctl, - watchdog function to reset the HW if it gets stuck in TX state. I plan to further develop for FreeBSD - I have already started working on the improved NetFPGA SUME NICv2 design and the current project really helped me to better understand reading and writing kernel code. Thank you for the chance to participate in this project. This experience was valuable as I have learned something new and further developed my skills which would be difficult for me without this project. Special thanks to my mentors Bjoern A. Zeeb and Marko Zec who provided a critical role in this project with their excellent feedback and contributions. Best regards, Denis Salopek
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