[Bug 230465] ixl: not working in netmap mode

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230465

--- Comment #30 from Vincenzo Maffione <vmaffione at FreeBSD.org> ---
(In reply to Charles Goncalves from comment #28)

Good. I'm not surprised this works, because ixl in FreeBSD 12.x is implemented
through iflib, and netmap in this case uses iflib to access the hw (and iflib
must work, otherwise you would not be able to use an ixl NIC using the
traditional networking tools and applications).

You can change the number of queues, slots and many other things through the
generic iflib configuration tools. See iflib(4).

On the other hand, ixl in FreeBSD 11.x is not implemented through iflib, so it
is a completely separate code. And netmap is broken there, unfortunately.
I notified the maintainers at Intel. They said the would have taken a look to
this.

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