Messages in this thread | | | From | Stefan Chulski <> | Subject | RE: [EXT] Re: [PATCH net-next 02/10] net: phy: phylink: allow 10GKR interface to use in-band negotiation | Date | Mon, 19 Mar 2018 13:19:24 +0000 |
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> -----Original Message----- > From: Andrew Lunn [mailto:andrew@lunn.ch] > Sent: Monday, March 19, 2018 3:08 PM > To: Stefan Chulski <stefanc@marvell.com> > Cc: Antoine Tenart <antoine.tenart@bootlin.com>; Russell King - ARM Linux > <linux@armlinux.org.uk>; davem@davemloft.net; kishon@ti.com; > gregory.clement@bootlin.com; jason@lakedaemon.net; > sebastian.hesselbarth@gmail.com; netdev@vger.kernel.org; linux- > kernel@vger.kernel.org; thomas.petazzoni@bootlin.com; > maxime.chevallier@bootlin.com; miquel.raynal@bootlin.com; Nadav Haklai > <nadavh@marvell.com>; Yan Markman <ymarkman@marvell.com>; > mw@semihalf.com; linux-arm-kernel@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.
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