[Bug 290793] iovctl on mlx5en won't work

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290793

--- Comment #19 from Bjoern A. Zeeb <[email protected]> ---
(In reply to David BOYER from comment #18)

Thanks so much for all the help!

The older firmware (Sept 2024) seems to be the full match (also PSID according
to  mstflint -d pci0:2:0:0 q) indeed.  I'll start with that.

There's various other pages such as [1] which have a slightly different
procedure and if modules are in the kernel you cannot unload, etc.  And
depending on where I ended up information differed but I also found some Linux
info [2] for how to get PSID and that helped.

Seems I can get myself some tea while those 16MB get written ...

# mstflint -d pci0:2:0:0 -i
/root/fw-ConnectX4-rel-12_28_2302-MCX416A-CCA_Ax-UEFI-14.21.17-FlexBoot-3.6.102.bin
burn
Done.
    Current FW version on flash:  12.12.1260
    New FW version:               12.28.2302


Burning FW image without signatures -   6%

<twiddle>

I keep this here as I hope someone else might also find it useful one day.  I
know there's a second card in another machine next to this one which is
currently busy in use by someone else and I'll likely have to do this all again
one day ;-)

[1] https://docs.nvidia.com/networking/display/freebsdv371/firmware+programming
[2] https://network.nvidia.com/support/firmware/identification/

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