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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 e1b2e785bba8..beb8ec4dabbc 100644
--- a/Documentation/ABI/testing/sysfs-class-net
+++ b/Documentation/ABI/testing/sysfs-class-net
@@ -216,3 +216,11 @@ Contact: netdev@vger.kernel.org
Description:
Indicates the interface protocol type as a decimal value. See
include/uapi/linux/if_arp.h for all possible values.
+
+What: /sys/class/net/<iface>/phys_switch_id
+Date: November 2014
+KernelVersion: 3.19
+Contact: netdev@vger.kernel.org
+Description:
+ Indicates the unique physical switch identifier of a switch this
+ port belongs to, as a string.