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-rw-r--r--Documentation/ABI/testing/sysfs-class-net8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-net b/Documentation/ABI/testing/sysfs-class-net
index 668604fc8e06..6856da99b6f7 100644
--- a/Documentation/ABI/testing/sysfs-class-net
+++ b/Documentation/ABI/testing/sysfs-class-net
@@ -251,3 +251,11 @@ Contact: netdev@vger.kernel.org
Description:
Indicates the unique physical switch identifier of a switch this
port belongs to, as a string.
+
+What: /sys/class/net/<iface>/phydev
+Date: May 2017
+KernelVersion: 4.13
+Contact: netdev@vger.kernel.org
+Description:
+ Symbolic link to the PHY device this network device is attached
+ to.