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Date:   Wed, 28 Jun 2023 15:42:44 +0300
From:   Gal Pressman <gal@...dia.com>
To:     David Ahern <dsahern@...nel.org>,
        Richard Gobert <richardbgobert@...il.com>, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        aleksander.lobakin@...el.com, lixiaoyan@...gle.com,
        lucien.xin@...il.com, alexanderduyck@...com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/1] gro: decrease size of CB

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.

Richard, did you get a chance to look at this issue? Maybe we should
revert this patch until it is properly fixed?

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