Messages in this thread | ![/](/images/icornerl.gif) | | Date | Wed, 3 Jan 2024 02:42:07 +0100 | From | Andrew Lunn <> | Subject | Re: [PATCH 3/3] net: ethernet: ti: am65-cpsw: Add device tree property to set max MTU |
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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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