Re: [PATCH net-next 1/3] ethtool: Add 100base-FX link mode entries

Andrew Lunn
2020-09-15T22:08:35Z

On Tue, Sep 15, 2020 at 01:17:06PM -0500, Dan Murphy wrote:
> Add entries for the 100base-FX full and half duplex supported modes.
>
> $ ethtool eth0
> Supported ports: [ TP MII FIBRE ]
> Supported link modes: 10baseT/Half 10baseT/Full
> 100baseT/Half 100baseT/Full
> 100baseFX/Half 100baseFX/Full
> Supported pause frame use: Symmetric Receive-only
> Supports auto-negotiation: No
> Supported FEC modes: Not reported
> Advertised link modes: 10baseT/Half 10baseT/Full
> 100baseT/Half 100baseT/Full
> 100baseFX/Half 100baseFX/Full

I thought this PHY could not switch between TP and Fibre. It has a
strap which decides? So i would expect the supported modes to be
either BaseT or BaseFX. Not both. Same for Advertised?

Andrew