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Subject: Re: SFP+ support for 8168fp/8117
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Cc:     Andrew Lunn <andrew@lunn.ch>,
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From:   Heiner Kallweit <hkallweit1@gmail.com>
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Date:   Fri, 6 Mar 2020 17:33:47 +0100
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On 06.03.2020 16:58, Andrew Lunn wrote:
>> This chip can get fiber info through I2C. It also can detect LOS or control TX Disable via GPIO.
> 
I think the question is whether the chip exposes these signals for kernel use.
- Is there any register to read e.g. LOS status from?
- Is the I2C bus accessed only by chip firmware, or can the OS access the I2C bus somehow?

> O.K. Good
> 
> You should be looking at using phylink to manage the SFP.
> 
>     Andrew
>