Yevgeny Kliteynik wrote:
Let's look at the IPoIB (the real IPoIB, not the keyword).
If I understood your previous main correctly, then IPoIB gets its SL from
the multicast group only right? So what kind of PR queries does IPoIB do?
Only to MGID? Suppose A wants to send something over IPoIB to B. How will
it use the right SL? Does it take it from the mcast group, or does it do
a PR query to SM for the dgid of node B (using the right pkey), and takes
the SL that os returned in the PR responce?
Again, IPoIB does PQ only for unicast traffic, and it provides the
following data/component mask bits to the SA
<SGID,DGID,PKEY,NUMB_PATH,TRAFFIC_CLASS>, where the relevant info for
the QoS scheme deployed today at the opensm is the pkey. So to deploy
QoS for IPoIB one needs to set an SL for the partition.
Or.
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