QAT driver

[Mark Johnston]

On Mon, Oct 26, 2020 at 02:31:16PM -0600, Alan Somers wrote:
> On Mon, Oct 26, 2020 at 2:01 PM Mark Johnston <markj at freebsd.org> wrote:
> 
> > Hi,
> >
> > I did a port of NetBSD's qat(4) to FreeBSD for pfSense, and made some
> > enhancements.  This provides an opencrypto-compatible driver for Intel's
> > QuickAssist devices, aimed mainly to be used with IPSec.  A review is
> > posted here for anyone interested in reviewing:
> > https://reviews.freebsd.org/D26963
> >
> > So far it's mostly been tested on an Atom C3000, where some ad-hoc
> > testing with iperf3 shows ~20-30% improvements relative to aesni(4) and
> > some reduction in CPU usage.  I've done some functional testing on a
> > Xeon system with a 8950 adapter as well.  If anyone is interested in
> > testing the driver, please send me email.  Some firmware images not
> > included in the review above are required in order to test.  I plan to
> > port it to stable/12 shortly.
> >
> > Thanks,
> > -Mark
> >
> 
> Awesome!  I have an Atom C2758 that I could test it on, and I would like to
> test it.  I just need to create a head BE first.

So C2xxx is the one device where the driver isn't functional yet. :(
It has its own platform code and so is the oddball among the devices
supported by this driver.  I just got access to a C2758 this weekend and
have been debugging a firmware initialization issue, so hopefully it'll
be resolved in the next couple of days, after which I'll follow up.