> I see. This didn't happen on our setups here since we tests with > newer cards (ConnectX2/3/3-pro). > For ConnectX1 (A0) and this firmware that you are using smells > like something goes wrong. If possible, I would change to newish > card.
No problem with that. My journey up to here was hard but very interesting. Especially when you expect everything in the system to be consistent and new speedups with every new kernel or driver version. Encountering a throughput drop of nearly 50% with the upgrade of our NFS servers I was challenged. With TSO disabled on our old cards I'm back to LRO speeds and I'm more than happy with that. Just a final clarification for the interested reader: Are the TCP Ids in an TSO setup generated through firmware or in the software stack? And if in firmware: How does the card know how to increase them? I would expect that it only works with IB packets and does not know of the IP encapsulation. Best regards. Markus
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