On Mon, Jun 05, 2017 at 12:23:10PM +0100, Russell King wrote:
> XAUI allows XGMII to reach an extended distance by using a XGXS layer at
> each end of the MAC to PHY link, operating over four Serdes lanes.
>
> 10GBASE-KR is a single lane Serdes backplane ethernet connection method
> with autonegotiation on the link. Some PHYs use this to connect to the
> ethernet interface at 10G speeds, switching to other connection types
> when utilising slower speeds.
>
> 10GBASE-KR is also used for XFI and SFI to connect to XFP and SFP fiber
> modules.
>
> Signed-off-by: Russell King <rmk+ker...@armlinux.org.uk>
Reviewed-by: Andrew Lunn <and...@lunn.ch>
Andrew
