From: Bart Van Assche <bvanassche@acm.org>
To: wangqi <3100102071@zju.edu.cn>, Leon Romanovsky <leon@kernel.org>,
linux-rdma@vger.kernel.org
Subject: Re: [question]can hard roce and soft roce communicate with each other?
Date: Tue, 26 Nov 2019 16:53:14 -0800 [thread overview]
Message-ID: <4433c97d-218a-294e-3c03-214e0ef1379f@acm.org> (raw)
In-Reply-To: <53ed2e18-c58e-1e9c-55f8-60b14dfa2052@zju.edu.cn>
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/
Bart.
next prev parent reply other threads:[~2019-11-27 0:53 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 [this message]
2019-11-27 11:10 ` Leon Romanovsky
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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