linux-kernel - Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator

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Message-Id: <20080811.140838.202229941.davem@davemloft.net>
Date:	Mon, 11 Aug 2008 14:08:38 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	rdreier@...co.com
Cc:	jgarzik@...ox.com, swise@...ngridcomputing.com, divy@...lsio.com,
	kxie@...lsio.com, netdev@...r.kernel.org,
	open-iscsi@...glegroups.com, michaelc@...wisc.edu,
	daisyc@...ibm.com, wenxiong@...ibm.com, bhua@...ibm.com,
	dm@...lsio.com, leedom@...lsio.com, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC][PATCH 1/1] cxgb3i: cxgb3 iSCSI initiator

From: Roland Dreier <rdreier@...co.com>
Date: Mon, 11 Aug 2008 09:07:51 -0700

> Yes, that's the question -- are stateless offloads (plus CRC32C in the
> CPU etc) going to give good enough performance that the whole TCP
> offload exercise is pointless?

This is by definition true, over time.  And this has stedfastly proven
itself, over and over again.

That's why we call stateful offloads a point in time solution.
They are constantly being obsoleted by time.
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