Subject: Re: [RFC PATCH 07/11] IB/Verbs: Use management helper has_mcast() and, cap_mcast() for mcast-check

From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
Date: Fri, 27 Mar 2015 11:49:41 -0600

On Fri, Mar 27, 2015 at 06:31:26PM +0100, Yun Wang wrote:

> Maybe we can temporarily reserve the old logical, and gradually solve
> these problems?

It is best to make behavioral changes in small patches, yes.

I think it is best to address these sorts of problems before trying to
tackle the driver interface side - that will avoid complexity.

ie how does a driver set has_ipoib? It isn't even a sensible question
when it is a per port capability.

Jason
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