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

From: Divy Le Ray
Date: Mon Aug 11 2008 - 19:46:26 EST


On Monday 11 August 2008 04:20:07 pm Steve Wise wrote:
> David Miller wrote:
> > From: Roland Dreier <rdreier@xxxxxxxxx>
> > 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?

The T3 adapter is capable of performing rate control and pacing based on RTT
on a per-connection basis.

Cheers,
Divy
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