svn commit: r326169 - in head: . contrib/ofed lib/libc/locale share/mk sys/amd64/amd64 sys/amd64/conf sys/conf sys/contrib/rdma/krping sys/dev/cxgbe sys/dev/cxgbe/common sys/dev/cxgbe/iw_cxgbe sys/...

Rodney W. Grimes freebsd at pdx.rh.CN85.dnsmgr.net
Fri Nov 24 19:17:22 UTC 2017


[ Charset UTF-8 unsupported, converting... ]
> On 11/24/17 18:35, Mark Johnston wrote:
> > On Fri, Nov 24, 2017 at 06:29:25PM +0100, Hans Petter Selasky wrote:
> >> On 11/24/17 18:22, Mark Johnston wrote:
> >>> On Fri, Nov 24, 2017 at 06:09:25PM +0100, Hans Petter Selasky wrote:
> >>>> On 11/24/17 16:00, Mark Johnston wrote:
> >>>>> Are there non-trivial interoperability issues between mthca and the
> >>>>> updated OFED stack? If so, could you describe them? If not, I would
> >>>>> strongly prefer to retain the mthca driver, as Isilon still has plenty
> >>>>> of hardware making use of it.
> >>>>
> >>>> Hi,
> >>>>
> >>>> There are no technical reasons except Mellanox hasn't focused on the
> >>>> mthca driver in this upgrade. With little effort you should be able to
> >>>> pull libmthca and the mthca driver from the mentioned sources and make
> >>>> it work.
> >>>
> >>> In that case, could we please bring it back in to svn? It seems silly to
> >>> remove a driver just because it's not being actively maintained: that
> >>> isn't the bar for keeping drivers in FreeBSD, and I note that mthca is
> >>> still present in Linux. If there is some work needed to get the kernel
> >>> and userland components to compile again, I'm happy to do it; I just
> >>> don't want to have to maintain an out-of-tree HCA driver when there's no
> >>> good reason it can't stay in svn.
> >>>
> >>
> >> Sure, but we probably want to put it into sys/dev/mthca instead of
> >> sys/ofed/xxx .
> > 
> > Ok.
> > 
> >> Are you saying you want to pull it in yourself and make
> >> it compile?
> > 
> > I don't really *want* to, but I will if you don't. :)
> > 
> 
> Let me discuss this at Mellanox first. I'll get back to you on Monday on 
> this topic.

Just to add some input I would also like to see the mthca drive continue
to live as a pair of them is part of my test bed here.

But, I can understand these are pretty old products, and that they can
be replaced for a sub $20.00 price off of ebay.   (I already have a
collection of Connectx-3 cards supported by mlx4 drivers.)


-- 
Rod Grimes                                                 rgrimes at freebsd.org


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