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

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Message-ID: <YIdOmvPFTCcmwP/W@lunn.ch>
Date:   Tue, 27 Apr 2021 01:36:58 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     David Miller <davem@...emloft.net>
Cc:     曹煜 <cao88yu@...il.com>,
        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

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