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

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Message-Id: <20080811.172224.12017598.davem@davemloft.net>
Date:	Mon, 11 Aug 2008 17:22:24 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	swise@...ngridcomputing.com
Cc:	rdreier@...co.com, jgarzik@...ox.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: Steve Wise <swise@...ngridcomputing.com>
Date: Mon, 11 Aug 2008 18:20:07 -0500

> David Miller wrote:
> > From: Roland Dreier <rdreier@...co.com>
> > 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.
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