[ofa-general] [PATCH 1/4] ib/ipoib: specify TClass and FlowLabel with PR queries for QoS support
ogerlitz at voltaire.com
Tue Aug 7 22:26:52 PDT 2007
Sean Hefty wrote:
>> Sean, I think you want to ask for a specific SL here (that is add
>> IB_SA_PATH_REC_SL to the mask and ask for the broadcast group SL).
> My thoughts are that the traffic class and flow label should map to a
> specific SL. Consider a packet entering the local subnet through an IB
> router. The local subnet SL would need to be determined using the TC
> and FL.
I see you point.
Doesn't this suggest that the QoS architecture for all ULPs should such
which makes them request specific TC/FL since if the associated traffic
would be routed, the GRH is what the remote router has at hand to ask
the remote SM/SA to determine the desired QoS?
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