netdev - Re: [PATCH net-next 04/12] net: mscc: ocelot: create a helper for changing the port MTU

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Date:   Tue, 12 Nov 2019 15:41:20 +0200
From:   Vladimir Oltean <olteanv@...il.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Jakub Kicinski <jakub.kicinski@...ronome.com>,
        "David S. Miller" <davem@...emloft.net>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Joergen Andreasen <joergen.andreasen@...rochip.com>,
        "Allan W. Nielsen" <allan.nielsen@...rochip.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        netdev <netdev@...r.kernel.org>,
        Vladimir Oltean <vladimir.oltean@....com>
Subject: Re: [PATCH net-next 04/12] net: mscc: ocelot: create a helper for
 changing the port MTU

On Tue, 12 Nov 2019 at 15:40, Andrew Lunn <andrew@...n.ch> wrote:
>
> On Tue, Nov 12, 2019 at 02:44:12PM +0200, Vladimir Oltean wrote:
> > From: Vladimir Oltean <vladimir.oltean@....com>
> >
> > Since in an NPI/DSA setup, not all ports will have the same MTU
>
> By this, do you mean that the CPU port needs a bigger MTU because of
> the extra header?

Yes, see the next patch.

>
>     Andrew