From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Jones Subject: Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator Date: Mon, 11 Aug 2008 11:13:25 -0700 Message-ID: <48A08145.6060703@hp.com> References: <489C8BEB.8060001@opengridcomputing.com> <489CC58D.4010606@pobox.com> <20080809.224637.69833549.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: rdreier@cisco.com, jgarzik@pobox.com, swise@opengridcomputing.com, divy@chelsio.com, kxie@chelsio.com, netdev@vger.kernel.org, open-iscsi@googlegroups.com, michaelc@cs.wisc.edu, daisyc@us.ibm.com, wenxiong@us.ibm.com, bhua@us.ibm.com, dm@chelsio.com, leedom@chelsio.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org To: David Miller Return-path: Received: from g4t0016.houston.hp.com ([15.201.24.19]:48372 "EHLO g4t0016.houston.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753347AbYHKSNd (ORCPT ); Mon, 11 Aug 2008 14:13:33 -0400 In-Reply-To: <20080809.224637.69833549.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: David Miller wrote: > And I even wonder, these days, if you probably get %90 or more of the > gain these "optimized" iSCSI connections obtain from things like LRO. > And since LRO can be done entirely in software (although stateless > HW assistence helps), it is even a NIC agnostic performance improvement. Probably depends on whether or not the iSCSI offload solutions are doing zero-copy receive into the filecache? rick jones