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SubjectRe: [PATCH 3/3] net: ethernet: ti: am65-cpsw: Add device tree property to set max MTU
On Tue, Jan 02, 2024 at 08:19:15AM +0000, Sanjuán García, Jorge wrote:
> The switch supports ethernet frame sizes between 64 and 2024 bytes
> (including VLAN) as stated in the technical reference manual.
>
> This patch adds a new devicetree property so the switch ports can
> be configured with an MTU higher than the standar 1500 bytes, making
> the max frame length configured on the registers and the max_mtu
> advertised on the network device consistent.

Why do you need a device tree property for this? How many other
drivers have a device tree property like this? Why not set
ndev->max_mtu to 2024 minus overheads?

Andrew

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