Re: [PATCH] dsa: tag_rtl4_a: Bump min packet size

[Linus Walleij]

On Mon, Oct 30, 2023 at 12:00 AM Andrew Lunn <andrew@xxxxxxx> wrote:

> > 1496 is suspiciously much 1500 - DSA tag size. However the
> > MTU of the parent ethernet is bumped nicely to 1504 and the
> > device MTU is set up to accomodate it as well.
> >
> > Modifying the patch to just pad out packets >= 1496 bytes
> > solves the problem in a better way, but maybe that is not the
> > last thing we try here...
>
> Have you tried playing with RTL8366RB_SGCR in rtl8366rb_change_mtu()?

Yes I set the MTU to increasingly larger sizes.

Sadly MTU has nothing to do with this, it's really annoying,
I have a v2 patch that is better and working, I'll include some test
text so you see where the problem is.

Yours,
Linus Walleij