From owner-freebsd-arch@FreeBSD.ORG Wed Dec 19 06:54:13 2007 Return-Path: Delivered-To: freebsd-arch@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C671416A419 for ; Wed, 19 Dec 2007 06:54:13 +0000 (UTC) (envelope-from gnn@neville-neil.com) Received: from mrout2-b.corp.dcn.yahoo.com (mrout2-b.corp.dcn.yahoo.com [216.109.112.28]) by mx1.freebsd.org (Postfix) with ESMTP id 864AF13C458 for ; Wed, 19 Dec 2007 06:54:13 +0000 (UTC) (envelope-from gnn@neville-neil.com) Received: from minion.local.neville-neil.com (proxy7.corp.yahoo.com [216.145.48.98]) by mrout2-b.corp.dcn.yahoo.com (8.13.6/8.13.6/y.out) with ESMTP id lBJ6hdih040018; Tue, 18 Dec 2007 22:43:40 -0800 (PST) Date: Wed, 19 Dec 2007 14:43:35 +0800 Message-ID: From: gnn@freebsd.org To: Brooks Davis In-Reply-To: <20071217193804.GA17357@lor.one-eyed-alien.net> References: <20071217193804.GA17357@lor.one-eyed-alien.net> User-Agent: Wanderlust/2.15.5 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (=?ISO-8859-4?Q?Shij=F2?=) APEL/10.7 Emacs/22.1.50 (i386-apple-darwin8.10.1) MULE/5.0 (SAKAKI) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Cc: Kip Macy , freebsd-arch@freebsd.org Subject: Re: RDMA support on FreeBSD X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Dec 2007 06:54:13 -0000 At Mon, 17 Dec 2007 13:38:04 -0600, Brooks Davis wrote: > > [1 ] > On Mon, Dec 17, 2007 at 11:22:09AM -0800, Kip Macy wrote: > > Chelsio's T3 card supports iWARP (RDMA over TCP). I've ported > > OpenFabric's kernel infrastructure for supporting RDMA to FreeBSD. Do > > we think that other RDMA providers (IB or iWARP) will be interested > > in supporting FreeBSD? If so it makes sense to put it under > > sys/contrib/rdma, otherwise I'll just add it as another module under > > cxgb. > > It seems unlikely that anyone would bother with IB without RDMA. I > can't see any value in mixing it with the cxgb bits. > I know at least one group that is looking at IB and yeah, the RDMA should be generally consumable. BrooksACK += 1. Later GEorge