Re: [PATCH net-next 1/2] selftests: drv-net: Add ntuple (NFC) flow steering test

Dimitri Daskalakis
2026-04-09T20:28:22Z

On 4/9/26 8:50 AM, Jakub Kicinski wrote:
> On Tue, 7 Apr 2026 09:49:53 -0700 Dimitri Daskalakis wrote:
>> Add a test for ethtool NFC (ntuple) flow steering rules. The test
>> creates an ntuple rule matching on various flow fields and verifies
>> that traffic is steered to the correct queue.
> Hi Michael, how accurate is the stats refresh timer in bnxt?
> This test is seeing ~10% of flakiness on bnxt, fewer packets
> got counted than we sent. Could be something else but I suspect
> the stats just didn't get refreshed. We give it 25% margin right
> now.
>
> Dimitiri, this skips for some drivers because they don't auto-enable
> ntuple filters. Looks like other selftests have the same check and also
> skip in netdev CI. So probably a separate / follow up task but I think
> we need to add code to enable the filters if they were disabled.

Sounds good, I will follow up with enabling ntuple filters across the
selftests.