[openib-general] [PATCH][iWARP] Added provider CM verbsandquery provider methods

Gleb Natapov glebn at voltaire.com
Tue Aug 30 00:38:01 PDT 2005


I don't want to move flamewar from netdev to this list...

On Mon, Aug 29, 2005 at 12:46:47PM -0400, Tom Tucker wrote:
> 
> >From my reading of the thread, there is resistence to 
> TOE in general. The patch is just the messenger. The principle 
> opponent is Dave Miller who strongly believes that stateless
> acceleration such as TSO (TCP Segmentation Offload) suffices for 
> all needs. Ironically, this requires a much higher level of stack 
> integration than TOE does.
I think there is no irony in this. From my understanding of the thread
the higher level of integration is what Dave is striving to. This will
allow linux users to have latest and greatest most RFC compliant and
secure TCP stack and at the same time enjoy 10Gb performance. He doesn't
want to have two different TCP implementation on the same machine (or
more if you install several different TOE cards).



> 
> TOE for the purposes of RDMA may have more legs within the 
> community, however, this has yet to be tested.
Is it possible to implement RDMA semantics using linux native TCP stack
(with hardware assistance of cause)? Just asking.


> 
> > -----Original Message-----
> > From: openib-general-bounces at openib.org 
> > [mailto:openib-general-bounces at openib.org] On Behalf Of Roland Dreier
> > Sent: Monday, August 29, 2005 11:24 AM
> > To: Asgeir Eiriksson
> > Cc: openib-general at openib.org
> > Subject: Re: [openib-general] [PATCH][iWARP] Added provider 
> > CM verbsandquery provider methods
> > 
> >     Asgeir> ...this is the approach taken in the Chelsio TOE patches
> >     Asgeir> that we have submitted.
> > 
> > What are your plans for these patches?  I am not subscribed to netdev,
> > but from reading the archives, it seems that your most recent
> > submission was rejected quite strongly.
> > 
> >  - R.
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--
			Gleb.



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