From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: Handling incoming RDMA CM connections when there is more than one IB HCA in a system Date: Mon, 26 Aug 2013 13:35:33 -0600 Message-ID: <20130826193533.GB20192@obsidianresearch.com> References: <20130826174844.GD12296@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: Richard Sharpe Cc: linux-rdma List-Id: linux-rdma@vger.kernel.org On Mon, Aug 26, 2013 at 12:17:11PM -0700, Richard Sharpe wrote: > > From what I read about the SMB protocol it looks completely valid to > > bypass the TCP first stage and go directly to RDMA. Or go from TCP to > > TCP, or RDMA to TCP, or whatever. > > Microsoft tells me that they never do an RDMA-only connection. It is > always TCP first then RDMA. Sure, but the SMB protocol allows for more than just that one case. Be careful not to architect yourself into a corner that can't do things allowed by the spec, but not performed by clients of the day.. 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