[PATCH v1 net-next 00/15] nvme-tcp receive offloads

Sagi Grimberg sagi at grimberg.me
Thu Jan 14 16:07:34 EST 2021


>> Hey Boris, sorry for some delays on my end...
>>
>> I saw some long discussions on this set with David, what is
>> the status here?
>>
> 
> The main purpose of this series is to address these.
> 
>> I'll take some more look into the patches, but if you
>> addressed the feedback from the last iteration I don't
>> expect major issues with this patch set (at least from
>> nvme-tcp side).
>>
>>> Changes since RFC v1:
>>> =========================================
>>> * Split mlx5 driver patches to several commits
>>> * Fix nvme-tcp handling of recovery flows. In particular, move queue offlaod
>>>     init/teardown to the start/stop functions.
>>
>> I'm assuming that you tested controller resets and network hiccups
>> during traffic right?
>>
> 
> Network hiccups were tested through netem packet drops and reordering.
> We tested error recovery by taking the controller down and bringing it
> back up while the system is quiescent and during traffic.
> 
> If you have another test in mind, please let me know.

I suggest to also perform interface down/up during traffic both
on the host and the targets.

Other than that we should be in decent shape...



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