Received: with ECARTIS (v1.0.0; list netdev); Fri, 01 Apr 2005 15:44:22 -0800 (PST) Received: from smtp.osdl.org (fire.osdl.org [65.172.181.4]) by oss.sgi.com (8.13.0/8.13.0) with ESMTP id j31Ni4j6010722 for ; Fri, 1 Apr 2005 15:44:08 -0800 Received: from shell0.pdx.osdl.net (fw.osdl.org [65.172.181.6]) by smtp.osdl.org (8.12.8/8.12.8) with ESMTP id j31Nhns4014569 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Fri, 1 Apr 2005 15:43:49 -0800 Received: from dxpl.pdx.osdl.net (dxpl.pdx.osdl.net [172.20.1.103]) by shell0.pdx.osdl.net (8.13.1/8.11.6) with ESMTP id j31Nhm42010798; Fri, 1 Apr 2005 15:43:48 -0800 Date: Fri, 1 Apr 2005 15:43:48 -0800 From: Stephen Hemminger To: jaganav@us.ibm.com Cc: Roland Dreier , Benjamin LaHaise , Dmitry Yusupov , open-iscsi@googlegroups.com, "David S. Miller" , mpm@selenic.com, andrea@suse.de, michaelc@cs.wisc.edu, James.Bottomley@HansenPartnership.com, ksummit-2005-discuss@thunk.org, netdev@oss.sgi.com, bmt@zurich.ibm.com Subject: Re: Linux support for RDMA (was: [Ksummit-2005-discuss] Summary of 2005 Kernel Summit Proposed Topics) Message-ID: <20050401154348.553f3c46@dxpl.pdx.osdl.net> In-Reply-To: <1112321619.424cae539e75e@imap.linux.ibm.com> References: <1112321619.424cae539e75e@imap.linux.ibm.com> Organization: Open Source Development Lab X-Mailer: Sylpheed-Claws 1.0.4 (GTK+ 1.2.10; x86_64-unknown-linux-gnu) X-Face: &@E+xe?c%:&e4D{>f1O<&U>2qwRREG5!}7R4;D<"NO^UI2mJ[eEOA2*3>(`Th.yP,VDPo9$ /`~cw![cmj~~jWe?AHY7D1S+\}5brN0k*NE?pPh_'_d>6;XGG[\KDRViCfumZT3@[ Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-MIMEDefang-Filter: osdl$Revision: 1.106 $ X-Scanned-By: MIMEDefang 2.36 X-Virus-Scanned: ClamAV 0.83/799/Fri Apr 1 02:49:13 2005 on oss.sgi.com X-Virus-Status: Clean X-archive-position: 1228 X-ecartis-version: Ecartis v1.0.0 Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com X-original-sender: shemminger@osdl.org Precedence: bulk X-list: netdev On Thu, 31 Mar 2005 21:13:39 -0500 jaganav@us.ibm.com wrote: > Quoting Roland Dreier : > > I have to admit I don't know much about the TOE / RDMA/TCP / RNIC (or > > whatever you want to call it) world. However I know that the large > > majority of InfiniBand use right now is running on Linux, and I hope > > the Linux community is willing to work with the IB community. > > > > Just want to let everyone know know that we have started an opensource > effort (www.openrdma.org) for enablement of RNICs (RDMA enabled NICs). This > community has now come up with an architecture > (http://rdma.sourceforge.net/architecture.pdf) to build this support in Linux. > Would really appreciate if you review and provide any comments. We have just > started to hack but no code is available on this project yet. > > Thanks > Venkat OpenRdma is a misnomer, because as I read your architecture you are trying to create a "kernel abstraction layer" for closed source vendor RDMA drivers. This will never be accepted, please go back to the drawing board and figure out how to make real open source drivers.