From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jeff Squyres (jsquyres)" Subject: Re: [PATCH V2] libibverbs: Allow arbitrary int values for MTU Date: Thu, 18 Jul 2013 02:32:05 +0000 Message-ID: References: <1372768306-6786-1-git-send-email-jsquyres@cisco.com> <20130708172621.GA3852@obsidianresearch.com> <1828884A29C6694DAF28B7E6B8A82373805AAB74@ORSMSX109.amr.corp.intel.com> <20130716144747.GA7304@obsidianresearch.com> <1828884A29C6694DAF28B7E6B8A82373805AECC0@ORSMSX109.amr.corp.intel.com> <1828884A29C6694DAF28B7E6B8A82373805B941D@ORSMSX109.amr.corp.intel.com> <51E71023.2060006@opengridcomputing.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: In-Reply-To: <51E71023.2060006-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org> Content-Language: en-US Content-ID: <78DA122715C1D1409281A2DC2CA1D818-WwaMAgPkaIIluPl5bxqUMw@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Steve Wise Cc: "Hefty, Sean" , Jason Gunthorpe , Roland Dreier , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Doug Ledford List-Id: linux-rdma@vger.kernel.org On Jul 17, 2013, at 5:44 PM, Steve Wise wrote: > The iwarp drivers just report the nearest mtu enum. Apps don't need it for iwarp like they do for ib. For RC, it doesn't matter much. So the fact that RoCE and iWARP lie about their MTU isn't a huge deal. It's wrong, but it doesn't matter much. We need it for UD for our upcoming device, however, because the MTU is the only way to get the max message size. -- Jeff Squyres jsquyres-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/ -- 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