net: qmi_wwan: document qmap/mux_id sysfs file

Document qmap/mux_id sysfs file showing qmimux interface id

Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/Documentation/ABI/testing/sysfs-class-net-qmi b/Documentation/ABI/testing/sysfs-class-net-qmi
index c310db4ccbc2eeb2aa7250438fd9f7b308b8fdbd..ed79f5893421300b1be0546e534d9a9d2351f44c 100644 (file)
--- a/Documentation/ABI/testing/sysfs-class-net-qmi
+++ b/Documentation/ABI/testing/sysfs-class-net-qmi
@@ -48,3 +48,13 @@ Description:
 
                Write a number ranging from 1 to 254 to delete a previously
                created qmap mux based network device.
+
+What:          /sys/class/net/<qmimux iface>/qmap/mux_id
+Date:          January 2021
+KernelVersion: 5.12
+Contact:       Daniele Palmas <dnlplm@gmail.com>
+Description:
+               Unsigned integer
+
+               Indicates the mux id associated to the qmimux network interface
+               during its creation.