From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: [PATCH 1/4] sunrpc: flag transports as using IETF approved congestion control protocols Date: Fri, 24 Feb 2017 11:03:23 -0700 Message-ID: <20170224180323.GA22491@obsidianresearch.com> References: <20170223170337.10686-2-jlayton@redhat.com> <2152dfdf-f847-2511-1600-6499b6ea9708@talpey.com> <1487880034.3448.8.camel@redhat.com> <65056db6-f30a-c44d-b01c-b549887c4895@talpey.com> <20170223201109.GC11882@fieldses.org> <20170223202609.GC26301@obsidianresearch.com> <18ef37c3-95db-9a2c-dbcb-f579672065d6@talpey.com> <20170223205502.GA29673@obsidianresearch.com> <4eb1da3d-2690-7647-2d85-cc574bc1d564@talpey.com> <1487956644.3314.4.camel@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1487956644.3314.4.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jeff Layton Cc: Tom Talpey , "J. Bruce Fields" , trond.myklebust-7I+n7zu2hftEKMMhf/gKZA@public.gmane.org, schumaker.anna-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Chuck Lever , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org > I'd rather rely on those attributes instead of any sort of IETF > approval anyway. Do all RDMA transports (RoCEv2, in particular) have > those characteristics? The NFS-RDMA driver only works with RDMA RC transports which are defined to provide all those characteristics. > In any case, for now I think we should just give all RDMA transports a > pass, and clean that up later. I'm mostly interested in excluding UDP > over IP for now -- being more strict with RDMA can come later. Makes sense to me. At the end of the day I think everything supported by NFS-RDMA should be permitted to use NFSv4, and we should ignore sketchy spec language that suggests otherwise. 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