From: Leon Romanovsky <leon@kernel.org>
To: Bart Van Assche <bvanassche@acm.org>
Cc: wangqi <3100102071@zju.edu.cn>, linux-rdma@vger.kernel.org
Subject: Re: [question]can hard roce and soft roce communicate with each other?
Date: Wed, 27 Nov 2019 13:10:08 +0200 [thread overview]
Message-ID: <20191127111008.GC10331@unreal> (raw)
In-Reply-To: <4433c97d-218a-294e-3c03-214e0ef1379f@acm.org>
On Tue, Nov 26, 2019 at 04:53:14PM -0800, Bart Van Assche wrote:
> On 11/21/19 11:19 PM, wangqi wrote:
> > Do you know how to make soft-roce (on server) can send message
> > to the hard-roce (like Mellanox cx4 card) on a client? We tried rdma-core
> > 25.0 and 26.0. The rdma-core can support both soft-roce and hard-roce.
> >
> > But it seems that the soft-roce (server) and hard-roce (client) can not
> > communicate via "ib_send_bw", "ib_read_bw" and so on, but can
> > communicate via "rping".
> >
> > Do you ever try to use soft-roce and hard-roce together?
> > Do they work well? I really wonder why they can not communicate with
> > each other. Best wishes,
>
> I think this should be possible. The diagram on the following web page shows
> a RoCE NIC and softROCE connected to each other:
>
> http://www.roceinitiative.org/software-based-roce-a-new-way-to-experience-rdma/
It should work, but it didn't work for me now :)
Thanks
>
> Bart.
next prev parent reply other threads:[~2019-11-27 11:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-22 7:19 [question]can hard roce and soft roce communicate with each other? wangqi
2019-11-27 0:53 ` Bart Van Assche
2019-11-27 11:10 ` Leon Romanovsky [this message]
2019-11-27 14:24 ` Steve Wise
2019-12-03 0:56 ` Bart Van Assche
2019-12-03 1:57 ` Steve Wise
2019-12-03 21:48 ` Steve Wise
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