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Date:   Mon, 13 Mar 2017 23:53:02 +0100
From:   Andrew Lunn <>
To:     Vivien Didelot <>
        "David S. Miller" <>,
        Florian Fainelli <>,
        Jiri Pirko <>,
        Jason Cobham <>
Subject: Re: [PATCH net-next] net: dsa: mv88e6xxx: set out of range ageing

On Mon, Mar 13, 2017 at 03:19:32PM -0400, Vivien Didelot wrote:
> The minimum and maximum value of the ATU Age Time varies depending on
> the switch model. The current code returns -ERANGE for out-of-range
> values, and makes switchdev commit phase fail with this stacktrace:

Hi Vivien

I took a look at other switch drivers. mlxsw return ERANGE in the
prepare phase. rocker is not limited, since it is using software

It seems like the correct way to do this is via a prepare call, or add
min/max fields to struct dsa_switch and let slave.c perform the check.


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