netdev - RE: SFP+ support for 8168fp/8117

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Message-ID: <e10eef58d8fc4b67ac2a73784bf86381@realtek.com>
Date:   Wed, 4 Mar 2020 15:24:48 +0000
From:   Hau <hau@...ltek.com>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
CC:     Heiner Kallweit <hkallweit1@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Linux Netdev List <netdev@...r.kernel.org>,
        Kernel development list <linux-kernel@...r.kernel.org>,
        Anthony Wong <anthony.wong@...onical.com>,
        Jason Yen <jason.yen@...onical.com>
Subject: RE: SFP+ support for 8168fp/8117

> Hi Hau,
> 
> > On Feb 19, 2020, at 22:48, Kai-Heng Feng <kai.heng.feng@...onical.com>
> wrote:
> >
> > Hi Hau,
> >
> >> On Feb 19, 2020, at 22:22, Hau <hau@...ltek.com> wrote:
> >
> > [snipped]
> >
> >>
> >> Hi Kai-Heng,
> >>
> >> Attached file is r8168 that I have add SFP+ support for rtl8168fp. If
> possible, please give it a try.
> >
> > I've already tested r8168 and it does support SFP+.
> >
> > What we are discussing here is to support this chip properly in mainline
> kernel.
> >
> > This is what we've discussed so far:
> > https://lore.kernel.org/lkml/2D8F5FFE-3EC3-480B-9D15-
> 23CACE5556DF@...onical.com/
> 
> Is there anything you can share so we can support this chip properly in
> upstream?
> 

Hi Kai-Heng,

For adding SFP+ support for rtl8168fp, 
1.Some power saving features must be disabled, like APDLS/EEE/EEEPLUS...
2.PHY capability must be set to auto-negation.

I am kind of busy this week. I will try to add support for this chip into upstream next week.

Thanks,
Hau

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