Messages in this thread | | | Date | Wed, 28 Jun 2023 08:19:30 -0600 | Subject | Re: [PATCH v3 1/1] gro: decrease size of CB | From | David Ahern <> |
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On 6/28/23 6:42 AM, Gal Pressman wrote: > On 27/06/2023 17:21, David Ahern wrote: >> On 6/26/23 2:55 AM, Gal Pressman wrote: >>> I believe this commit broke gro over udp tunnels. >>> I'm running iperf tcp traffic over geneve interfaces and the bandwidth >>> is pretty much zero. >>> >> >> Could you add a test script to tools/testing/selftests/net? It will help >> catch future regressions. >> > > I'm checking internally, someone from the team might be able to work on > this, though I'm not sure that a test that verifies bandwidth makes much > sense as a selftest. >
With veth and namespaces I expect up to 25-30G performance levels, depending on the test. When something fundamental breaks like this patch a drop to < 1G would be a red flag, so there is value to the test.
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