From mboxrd@z Thu Jan  1 00:00:00 1970
From: Roland Dreier <rdreier@cisco.com>
Subject: Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator
Date: Mon, 11 Aug 2008 14:37:59 -0700
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In-Reply-To: <20080811.140918.213422266.davem@davemloft.net> (David Miller's
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Cc: 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
List-Id: linux-scsi@vger.kernel.org

 > 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?

Sure... the same way we can ask the HW vendors to keep old headers
around when aggregating for LRO, we can ask HW vendors for hooks for
shaping iSCSI traffic.  And the Chelsio TCP speed record seems to show
that they already have pretty sophisticated queueing/shaping in their
current HW.

 - R.