linux-kernel - Re: [PATCH v3 1/1] gro: decrease size of CB

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Date:   Tue, 27 Jun 2023 08:21:48 -0600
From:   David Ahern <dsahern@...nel.org>
To:     Gal Pressman <gal@...dia.com>,
        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 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.