1 What: /sys/bus/mdio_bus/devices/.../phy_id
4 Contact: netdev@vger.kernel.org
6 This attribute contains the 32-bit PHY Identifier as reported
7 by the device during bus enumeration, encoded in hexadecimal.
8 This ID is used to match the device with the appropriate
11 What: /sys/bus/mdio_bus/devices/.../phy_interface
14 Contact: netdev@vger.kernel.org
16 This attribute contains the PHY interface as configured by the
17 Ethernet driver during bus enumeration, encoded in string.
18 This interface mode is used to configure the Ethernet MAC with the
19 appropriate mode for its data lines to the PHY hardware.
21 What: /sys/bus/mdio_bus/devices/.../phy_has_fixups
24 Contact: netdev@vger.kernel.org
26 This attribute contains the boolean value whether a given PHY
27 device has had any "fixup" workaround running on it, encoded as
28 a boolean. This information is provided to help troubleshooting