Hi Andrew, On Mon, Mar 19, 2018 at 01:59:53PM +0100, Andrew Lunn wrote: > > If they don't have PHYs, how are the connected to the outside world?
On 7k/8k you have the following scheme for 10G only interfaces: MAC -- Comphy -- PHY -- SFP cage -- ... Or MAC -- Comphy -- SFP cage -- ... The comphy provides serdes lanes, and can be configured in various modes (SGMII, 2500SGMII, 10GKR...). Antoine -- Antoine Ténart, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com