RE: [EXT] Re: [PATCH net-next 02/10] net: phy: phylink: allow 10GKR interface to use in-band negotiation

From: Stefan Chulski
Date: Mon Mar 19 2018 - 09:03:57 EST




> -----Original Message-----
> From: Andrew Lunn [mailto:andrew@xxxxxxx]
> Sent: Monday, March 19, 2018 3:00 PM
> To: Antoine Tenart <antoine.tenart@xxxxxxxxxxx>
> Cc: Russell King - ARM Linux <linux@xxxxxxxxxxxxxxx>;
> davem@xxxxxxxxxxxxx; kishon@xxxxxx; gregory.clement@xxxxxxxxxxx;
> jason@xxxxxxxxxxxxxx; sebastian.hesselbarth@xxxxxxxxx;
> netdev@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> thomas.petazzoni@xxxxxxxxxxx; maxime.chevallier@xxxxxxxxxxx;
> miquel.raynal@xxxxxxxxxxx; Nadav Haklai <nadavh@xxxxxxxxxxx>; Stefan
> Chulski <stefanc@xxxxxxxxxxx>; Yan Markman <ymarkman@xxxxxxxxxxx>;
> mw@xxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Subject: [EXT] Re: [PATCH net-next 02/10] net: phy: phylink: allow 10GKR
> interface to use in-band negotiation
>
> External Email
>
> ----------------------------------------------------------------------
> Hi Antoine
>
> > You guessed right, that's exactly my use case. The DB boards (7k and
> > 8k) have 10G interfaces without PHYs.
>
> If they don't have PHYs, how are the connected to the outside world?
>
> Andrew

By external SFP or direct attached cable.

Stefan.