From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: [PATCH rdma-next 1/6] IB/core: Enable QP creation which is associated to underlay QP Date: Wed, 7 Jun 2017 11:44:10 -0600 Message-ID: <20170607174410.GA9757@obsidianresearch.com> References: <20170530071602.8139-1-leon@kernel.org> <20170530071602.8139-2-leon@kernel.org> <20170530160447.GA21513@obsidianresearch.com> <1d799662-bc2b-ed12-882c-42d12d1ed8a1@dev.mellanox.co.il> <20170605153644.GA6749@obsidianresearch.com> <20170606163320.GC8671@obsidianresearch.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Alex Rosenbaum Cc: Yishai Hadas , Leon Romanovsky , Doug Ledford , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Yishai Hadas , "Alex @ Mellanox" , Majd Dibbiny List-Id: linux-rdma@vger.kernel.org On Wed, Jun 07, 2017 at 03:23:35PM +0300, Alex Rosenbaum wrote: > We reviewed your suggestion in deeper details and agree with your > suggested semantics to allow user to create a QP with user defined > wire QPN, without mandating association of an overlay with underlay > QP. It would be excellent if this could be allowed for QP1 as well - the user space SA could be greatly accelerated if it could send QP1 traffic without going through umad. This would require multiple QP's with the source_qpn=1 set, for the range of required PKeys. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html