From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: The ultimate TOE design Date: Wed, 15 Sep 2004 18:26:42 -0400 Sender: netdev-bounce@oss.sgi.com Message-ID: <4148C1A2.2030309@pobox.com> References: <4148991B.9050200@pobox.com> <1095275660.20569.0.camel@localhost.localdomain> <4148A90F.80003@pobox.com> <20040915140123.14185ede.davem@davemloft.net> <20040915210818.GA22649@havoc.gtf.org> <20040915141346.5c5e5377.davem@davemloft.net> <4148B2E5.50106@pobox.com> <20040915142926.7bc456a4.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: alan@lxorguk.ukuu.org.uk, paul@clubi.ie, netdev@oss.sgi.com, leonid.grossman@s2io.com, linux-kernel@vger.kernel.org Return-path: To: "David S. Miller" In-Reply-To: <20040915142926.7bc456a4.davem@davemloft.net> Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org David S. Miller wrote: > On Wed, 15 Sep 2004 17:23:49 -0400 > Jeff Garzik wrote: > > >>The typical definition of TOE is "offload 90+% of the net stack", as >>opposed to "TCP assist", which is stuff like TSO. > > > I think a better goal is "offload 90+% of the net stack cost" which > is effectively what TSO does on the send side. A better goal is to not bother with TOE at all, and just get multi-core processors with huge memory bandwidth :) Again, the point of my message is to have something _positive_ to tell people when they specifically asked about TOE. Rather than "no, we'll never do TOE" we have "it's possible, but there are better questions you should be asking" Jeff