| What: /sys/class/mdio_bus/<bus>/<device>/attached_dev |
| Date: May 2017 |
| KernelVersion: 4.13 |
| Contact: netdev@vger.kernel.org |
| Description: |
| Symbolic link to the network device this PHY device is |
| attached to. |
| |
| What: /sys/class/mdio_bus/<bus>/<device>/phy_has_fixups |
| Date: February 2014 |
| KernelVersion: 3.15 |
| Contact: netdev@vger.kernel.org |
| Description: |
| This attribute contains the boolean value whether a given PHY |
| device has had any "fixup" workaround running on it, encoded as |
| a boolean. This information is provided to help troubleshooting |
| PHY configurations. |
| |
| What: /sys/class/mdio_bus/<bus>/<device>/phy_id |
| Date: November 2012 |
| KernelVersion: 3.8 |
| Contact: netdev@vger.kernel.org |
| Description: |
| This attribute contains the 32-bit PHY Identifier as reported |
| by the device during bus enumeration, encoded in hexadecimal. |
| This ID is used to match the device with the appropriate |
| driver. |
| |
| What: /sys/class/mdio_bus/<bus>/<device>/phy_interface |
| Date: February 2014 |
| KernelVersion: 3.15 |
| Contact: netdev@vger.kernel.org |
| Description: |
| This attribute contains the PHY interface as configured by the |
| Ethernet driver during bus enumeration, encoded in string. |
| This interface mode is used to configure the Ethernet MAC with the |
| appropriate mode for its data lines to the PHY hardware. |
| |
| Possible values are: |
| |
| <empty> (not available), mii, gmii, sgmii, tbi, rev-mii, |
| rmii, rgmii, rgmii-id, rgmii-rxid, rgmii-txid, rtbi, smii |
| xgmii, moca, qsgmii, trgmii, 1000base-x, 2500base-x, rxaui, |
| xaui, 10gbase-kr, unknown |
| |
| What: /sys/class/mdio_bus/<bus>/<device>/phy_standalone |
| Date: May 2019 |
| KernelVersion: 5.3 |
| Contact: netdev@vger.kernel.org |
| Description: |
| Boolean value indicating whether the PHY device is used in |
| standalone mode, without a net_device associated, by PHYLINK. |
| Attribute created only when this is the case. |
