[ofa-general] RE: [ewg] [PATCH 6/8 v3] IB/ipoib: restrict IPoIB to work on IB ports only

[Liran Liss]

This exaclty the same as for iWARP: IPoIB checks the node transport, and
if it is != IB, it exists.
For RDMAoE, we do the same check but at the port level.


-----Original Message-----
From: general-bounces at lists.openfabrics.org
[mailto:general-bounces at lists.openfabrics.org] On Behalf Of Woodruff,
Robert J
Sent: Tuesday, July 14, 2009 12:04 AM
To: Eli Cohen; Hefty, Sean; Roland Dreier
Cc: ewg; general-list
Subject: [ofa-general] RE: [ewg] [PATCH 6/8 v3] IB/ipoib: restrict IPoIB
to work on IB ports only

Eli Cohen wrote, 

>We don't want IPoIB to work over RDMAoE since it will give worse 
>performance than working directly on Ethernet interfaces which are a 
>prerequisite to RDMAoE anyway.

This is another reason why NOT to try to add IBxOE under the IB
transport, but rather add it as it's own transport type. We should not
need to hack all the InfiniBand ULPs to now have to know the difference
between real IB and
IBxOE._______________________________________________
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