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Date:   Wed, 19 Jan 2022 20:04:30 +0200
From:   Leon Romanovsky <leon@kernel.org>
To:     Doug Ledford <dledford@redhat.com>
Cc:     Christian Blume <chr.blume@gmail.com>,
        RDMA mailing list <linux-rdma@vger.kernel.org>
Subject: Re: SoftRoCE and OpenSM
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On Wed, Jan 19, 2022 at 12:28:30PM -0500, Doug Ledford wrote:
> On Jan 19, 2022, at 3:51 AM, Leon Romanovsky <leon@kernel.org> wrote:
> > 
> > On Wed, Jan 19, 2022 at 01:41:30PM +1300, Christian Blume wrote:
> >> Hello!
> >> 
> >> Is it at all possible for a SoftRoCE node to talk to OpenSM? Can I set
> >> up OpenSM in such a way that it automatically discovers all SoftRoCE
> >> nodes on my subnet? Thanks for your help.
> > 
> > AFAICT, RXE lacks MAD support which is needed for OpenSM.
> 
> 
> All Ethernet based RDMA technologies lack MAD support required for OpenSM.  OpenSM is a uniquely InfiniBand only thing.

Ahh, sorry, completely forgot about that.

> 
> > Thanks
> > 
> >> 
> >> Cheers,
> >> Christian
> > 
>