> -----Original Message----- > From: Andrew Lunn [mailto:and...@lunn.ch] > Sent: Monday, March 19, 2018 3:08 PM > To: Stefan Chulski <stef...@marvell.com> > Cc: Antoine Tenart <antoine.ten...@bootlin.com>; Russell King - ARM Linux > <li...@armlinux.org.uk>; da...@davemloft.net; kis...@ti.com; > gregory.clem...@bootlin.com; ja...@lakedaemon.net; > sebastian.hesselba...@gmail.com; net...@vger.kernel.org; linux- > ker...@vger.kernel.org; thomas.petazz...@bootlin.com; > maxime.chevall...@bootlin.com; miquel.ray...@bootlin.com; Nadav Haklai > <nad...@marvell.com>; Yan Markman <ymark...@marvell.com>; > m...@semihalf.com; linux-arm-ker...@lists.infradead.org > 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.
