From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator Date: Mon, 11 Aug 2008 17:22:24 -0700 (PDT) Message-ID: <20080811.172224.12017598.davem@davemloft.net> References: <20080811.140918.213422266.davem@davemloft.net> <48A0C927.8020501@opengridcomputing.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: rdreier@cisco.com, jgarzik@pobox.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: swise@opengridcomputing.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:36395 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752989AbYHLAWY (ORCPT ); Mon, 11 Aug 2008 20:22:24 -0400 In-Reply-To: <48A0C927.8020501@opengridcomputing.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Steve Wise Date: Mon, 11 Aug 2008 18:20:07 -0500 > David Miller wrote: > > From: Roland Dreier > > Date: Mon, 11 Aug 2008 09:09:02 -0700 > > > > > >> > We turn it off. If I want to shape or filter one of these iSCSI > >> > connections can we turn it off? > >> > >> That seems like a reasonable idea to me -- the standard thing to do when > >> a NIC offload conflicts with something else is to turn off the offload > >> and fall back to software. > >> > > > > But as Herbert says, we can make LRO such that turning it off > > isn't necessary. > > > > Can we shape the iSCSI offload traffic without turning it off? > > > > With Chelsio's product you can do this. Maybe Divy can provide details? When I say shape I mean apply any packet scheduler, any netfilter module, and any other feature we support.