From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steve Wise Subject: Re: [PATCH v2] RDMA/CMA: fix iWARP adapter TCP port space usage Date: Wed, 23 Jun 2010 15:39:25 -0500 Message-ID: <4C2270FD.4090108@opengridcomputing.com> References: <4C225078.6050001@opengridcomputing.com> <4C225697.6060702@opengridcomputing.com> <20100623192909.GT4630@obsidianresearch.com> <4C2263B3.9010608@opengridcomputing.com> <20100623195210.GU4630@obsidianresearch.com> <4C226A6F.4000801@opengridcomputing.com> <20100623200937.GV4630@obsidianresearch.com> <4C226C53.7080802@opengridcomputing.com> <20100623202607.GW4630@obsidianresearch.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20100623202607.GW4630-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jason Gunthorpe Cc: Roland Dreier , Bernard Metzler , "Tung, Chien Tin" , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Peter P Waskiewicz Jr List-Id: linux-rdma@vger.kernel.org Jason Gunthorpe wrote: > On Wed, Jun 23, 2010 at 03:19:31PM -0500, Steve Wise wrote: > > >>> So who responds to neighbor queries, and how do outgoing queries get >>> sent with the right IP? Sounds odd... >>> >> The iscsi hba is only an initiator, so it doesn't need to respond to arp >> queries. >> > > Hmm.. The other side could arp you at any time, and if you don't answer > stuff can go bad, so something must be generating the replies. > You're right! The low level driver, cxgb3, handles it. See cxgb3_arp_process(). I missed this change in the original submission of cxgb3i... > But I guess that is seperate, sounds like iSCSI is in a similar boat > and they were not able to reconcile either? :( > > 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 > -- 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