netdev - Re: [PATCH net-next 0/3] net: atlantic: phy tunables from mac driver

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Message-ID: <20200929170413.GA3996795@lunn.ch>
Date:   Tue, 29 Sep 2020 19:04:13 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Igor Russkikh <irusskikh@...vell.com>
Cc:     netdev@...r.kernel.org, "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Subject: Re: [PATCH net-next 0/3] net: atlantic: phy tunables from mac driver

On Tue, Sep 29, 2020 at 07:13:04PM +0300, Igor Russkikh wrote:
> This series implements phy tunables settings via MAC driver callbacks.
> 
> AQC 10G devices use integrated MAC+PHY solution, where PHY is fully controlled
> by MAC firmware. Therefore, it is not possible to implement separate phy driver
> for these.
> 
> We use ethtool ops callbacks to implement downshift and EDPC tunables.

Hi Michal

Do you have any code to implement tunables via netlink?

This code is defining new ethtool calls. It seems like now would be a
good time to plumb in extack, so the driver can report back the valid
range of a tunable when given an unsupported value.

      Andrew