netdev - Re: [PATCH net] dsa: mv88e6xxx: 6161: Use chip wide MAX MTU

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Message-ID: <CACu-5+0bnMJPOUZHKfSTEQiFgAVX9kjbgTTQtqLDT57yv0MDHQ@mail.gmail.com>
Date:   Tue, 27 Apr 2021 08:18:00 +0800
From:   曹煜 <cao88yu@...il.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     David Miller <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>,
        Chris Packham <chris.packham@...iedtelesis.co.nz>,
        Vivien Didelot <vivien.didelot@...il.com>
Subject: Re: [PATCH net] dsa: mv88e6xxx: 6161: Use chip wide MAX MTU

Hi Andrew,
I'll test the patch later, but what about the 88e6171r switch chip,
this chip also got this issue since kernel 5.9.0 Many thanks.

Andrew Lunn <andrew@...n.ch> 于2021年4月27日周二 上午7:37写道：
>
> On Tue, Apr 27, 2021 at 01:34:41AM +0200, Andrew Lunn wrote:
> > The datasheets suggests the 6161 uses a per port setting for jumbo
> > frames. Testing has however shown this is not correct, it uses the old
> > style chip wide MTU control. Change the ops in the 6161 structure to
> > reflect this.
> >
> > Fixes: 1baf0fac10fb ("net: dsa: mv88e6xxx: Use chip-wide max frame size for MTU")
> > Reported by: 曹煜 <cao88yu@...il.com>
> > Signed-off-by: Andrew Lunn <andrew@...n.ch>
>
> Hi Dave
>
> I have no way to test this. Please don't commit it until we get feedback from 曹煜.
>
> Thanks
>         Andrew