> -----Original Message----- > From: Andrew Lunn [mailto:[email protected]] > Sent: Monday, March 19, 2018 3:08 PM > To: Stefan Chulski <[email protected]> > Cc: Antoine Tenart <[email protected]>; Russell King - ARM Linux > <[email protected]>; [email protected]; [email protected]; > [email protected]; [email protected]; > [email protected]; [email protected]; linux- > [email protected]; [email protected]; > [email protected]; [email protected]; Nadav Haklai > <[email protected]>; Yan Markman <[email protected]>; > [email protected]; [email protected] > Subject: Re: [EXT] Re: [PATCH net-next 02/10] net: phy: phylink: allow 10GKR > interface to use in-band negotiation > > > > If they don't have PHYs, how are the connected to the outside world? > > > > > > Andrew > > > > By external SFP or direct attached cable. > > Maybe i'm missing something, but don't you just need to add an SFP device > in the device tree. The SFP code and PHYLINK will work together, query what > the SFP module is, use the GPIOs to determine link up/down and module > present, and tell the MAC how to configure the MAC-SFP link? > > Andrew
phylink pool SFP loss signal to determine link up/down? Stefan, Best Regards.

