RDMA support on FreeBSD

Kip Macy kip.macy at gmail.com
Tue Dec 18 23:13:00 PST 2007


Could you take a look at the openfabric docs and see how well that
meshes with IEEE1394?

I think the lack of privilege checks might make it a bad fit. However,
it *might* work for users who don't care about security.

 -Kip


On 12/18/07, Hidetoshi Shimokawa <simokawa at freebsd.org> wrote:
> I'm also interested in RDMA support.
> IEEE1394 OHCI has a RDMA-like feature.
>
> On 12/19/07, gnn at freebsd.org <gnn at freebsd.org> wrote:
> > At Mon, 17 Dec 2007 13:38:04 -0600,
> > Brooks Davis wrote:
> > >
> > > [1  <text/plain; us-ascii (7bit)>]
> > > On Mon, Dec 17, 2007 at 11:22:09AM -0800, Kip Macy wrote:
> > > > Chelsio's T3 card supports iWARP (RDMA over TCP). I've ported
> > > > OpenFabric's kernel infrastructure for supporting RDMA to FreeBSD. Do
> > > > we think that other  RDMA providers (IB or iWARP) will be interested
> > > > in supporting FreeBSD? If so it makes sense to put it under
> > > > sys/contrib/rdma, otherwise I'll just add it as another module under
> > > > cxgb.
> > >
> > > It seems unlikely that anyone would bother with IB without RDMA.  I
> > > can't see any value in mixing it with the cxgb bits.
> > >
> >
> > I know at least one group that is looking at IB and yeah, the RDMA
> > should be generally consumable.  BrooksACK += 1.
> >
> > Later
> > GEorge
> > _______________________________________________
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> >
> >
>
>
> --
> /\ Hidetoshi Shimokawa
> \/  simokawa at FreeBSD.ORG
>


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