Re: [PATCH AUTOSEL 5.17 10/12] net: ftgmac100: Disable hardware checksum on AST2600

[Jakub Kicinski]

On Tue, 24 May 2022 20:47:51 +0200 Arnd Bergmann wrote:
> On Tue, May 24, 2022 at 8:47 PM Arnd Bergmann <arnd@xxxxxxxx> wrote:
> >
> > On Tue, May 24, 2022 at 5:59 PM Sasha Levin <sashal@xxxxxxxxxx> wrote:  
> > >
> > >  # ip link set mtu 1410 dev eth0
> > >
> > > The observed results:
> > >
> > >  1500 - good
> > >  1434 - bad
> > >  1400 - good
> > >  1410 - bad
> > >  1420 - good  
> >
> > Does it require multiples of four? Maybe it just skips the last bytes?  
> 
> Nevermind, I missed that this was a backport of a merged patch, rather
> than a new one.

Great minds think alike, tho ;)

https://lore.kernel.org/all/YowcZUX3lwAA6c5k@xxxxxxx/