From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pradeep Satyanarayana Subject: Re: [PATCH v2] RDMA/CMA: fix iWARP adapter TCP port space usage Date: Fri, 11 Jun 2010 23:30:56 -0700 Message-ID: <4C1329A0.6020109@linux.vnet.ibm.com> References: <20100611124746.GA2292@CTUNG-MOBL1> <2EFBCAEF10980645BBCFB605689E08E904924CCE42@azsmsx506.amr.corp.intel.com> <4C12A6E8.5040400@opengridcomputing.com> <20100611224126.GA4630@obsidianresearch.com> <4C12C971.4000909@opengridcomputing.com> <20100612000431.GC4630@obsidianresearch.com> <4C12E073.2040008@opengridcomputing.com> <20100612015652.GA7648@obsidianresearch.com> <4C12EC89.1030305@opengridcomputing.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Roland Dreier Cc: Peter P Waskiewicz Jr , Steve Wise , Jason Gunthorpe , "Tung, Chien Tin" , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-rdma@vger.kernel.org Roland Dreier wrote: > > Other protocols are also running over networking today, such as iSCSI > > and FCoE. These happily co-exist with other L2->L4 protocols in the > > stack. This iWARP patch allows iWARP to happily co-exist on a TCP > > connection, and does *not* negatively affect the networking stack at > > all. > > How do iSCSI offload HBAs coexist? As I understand it, they typically > just choose a separate IP address. > > In any case I'm not going to slip in a patch that another maintainer has > explicitly NAKed. Maybe one way to force things forward would be to > write up an exhaustive explanation of the underlying problem and the > impact on end users, include this patch, explain that it touches only > RDMA code, and point out that most end users are already using this > patch since it's shipped in OFED. Then send the whole thing to Linus > and Andrew Morton, making sure to cc Dave Miller, netdev, and > linux-rdma. Would it help to weigh in on the usage of RDMA, not so much a niche these days. The latest top500 list shows 207 systems (i.e. 41%) using RDMA (read IB)? Thanks Pradeep -- 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