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Message-ID: <0fe29f0c-5418-49a6-ab62-f210f8f7e765@kernel.org> Date: Tue, 14 Nov 2023 22:16:45 +0200 From: Roger Quadros <rogerq@...nel.org> To: Vladimir Oltean <vladimir.oltean@....com> Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, s-vadapalli@...com, r-gunasekaran@...com, srk@...com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Pekka Varis <p-varis@...com> Subject: Re: [PATCH net-next 2/3] net: ethernet: am65-cpsw: Set default TX channels to maximum On 14/11/2023 14:13, Vladimir Oltean wrote: > On Mon, Nov 13, 2023 at 01:07:07PM +0200, Roger Quadros wrote: >> am65-cpsw supports 8 TX hardware queues. Set this as default. > > Motivation? Drawbacks / reasons why this was not done from the beginning? Motivation was to get the "kselftest -t net/forwarding:ethtool_mm.sh" test to work without requiring additional manual step of increasing the TX channels. Another issue is that all network interfaces (can be up to 4 on some devices) have to be brought down if TX channel count needs to change. I am not aware why this was not done from the beginning. -- cheers, -roger
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