[ofa-general] [PATCH 1/4] ib/ipoib: specify TClass and FlowLabel with PR queries for QoS support

[Or Gerlitz]

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?

Or.