Re: [PATCH net v3 1/4] net: ethernet: cortina: Fix MTU max setting

From: Vladimir Oltean
Date: Wed Nov 08 2023 - 09:27:02 EST


On Tue, Nov 07, 2023 at 10:54:26AM +0100, Linus Walleij wrote:
> The RX max frame size is over 10000 for the Gemini ethernet,
> but the TX max frame size is actually just 2047 (0x7ff after
> checking the datasheet). Reflect this in what we offer to Linux,
> cap the MTU at the TX max frame minus ethernet headers.
>
> Use the BIT() macro for related bit flags so these TX settings
> are consistent.

What does this second paragraph intend to say? The patch doesn't use the
BIT() macro.