On Mon, 2 Mar 2026 14:11:21 +0200 Ioana Ciornei wrote:
> > I agree that adherence to the drivers/net/README protocol is valuable to
> > some users and would be good to uphold if reasonable in a given tests.
> > If that's what you have in mind.
> > 
> > There are going to be tests where it's not a great fit, but I think that
> > of those NUM_NETIFS=2 tests that we currently have, maybe
> > ethtool_extended_state has a good reason to be obstinate, because it
> > sets up negotiations and needs an extra unplugged netdevice.  
> 
> I would add here even ethtool_rmon.sh and this new test that I

I think I already told you that ethool_rmon predates the NIC tests
and bringing it up in this discussion is irrelevant.

> submitted. If you are running with a traffic generator on another board
> then you can no longer check that the counter's value is as expected
> (with a 1% tolerance), you can only check the lower bound.

1% tolerance is impractical for any CI with high test count.
The test will be flaky. And I really doubt that the 1% tolerance
is really necessary to catch most bugs. We're not trying to validate
silicon here.

> Additionally, if you are using the same single port also for control
> traffic towards the remote traffic generator, then you surely cannot
> reliably check that counters that should not be incremented are indeed
> not incremented.

I both told you in this conversation how to check the counters,
and written some existing tests for counters.

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