From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Subject: Re: [PATCH V3 1/5] RDMA/core: Transport-independent access flags
Date: Tue, 14 Jul 2015 13:29:41 -0600
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To: Steve Wise <swise@opengridcomputing.com>
Cc: 'Sagi Grimberg' <sagig@dev.mellanox.co.il>, 'Steve Wise' <swise@ogc.us>, 'Tom Talpey' <tom@talpey.com>, 'Doug Ledford' <dledford@redhat.com>, 'Christoph Hellwig' <hch@infradead.org>, sagig@mellanox.com, ogerlitz@mellanox.com, roid@mellanox.com, linux-rdma@vger.kernel.org, eli@mellanox.com, target-devel@vger.kernel.org, linux-nfs@vger.kernel.org, trond.myklebust@primarydata.com, bfields@fieldses.org, 'Oren Duer' <oren@mellanox.com>
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On Tue, Jul 14, 2015 at 02:25:50PM -0500, Steve Wise wrote:
 
> The benefit is that we don't have to check for iWARP protocol in the
> ULP.

IB should have to pay the cost of FRMR for lkey on RDMA READ, I'm
pretty sure you have to check for iWarp at somepoint..

Jason