Documentation: ABI: sysfs-class-net-qmi: document pass-through file
Add documentation for /sys/class/net/<iface>/qmi/pass_through
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/Documentation/ABI/testing/sysfs-class-net-qmi b/Documentation/ABI/testing/sysfs-class-net-qmi
index ed79f58..47e6b97 100644
--- a/Documentation/ABI/testing/sysfs-class-net-qmi
+++ b/Documentation/ABI/testing/sysfs-class-net-qmi
@@ -58,3 +58,19 @@
Indicates the mux id associated to the qmimux network interface
during its creation.
+
+What: /sys/class/net/<iface>/qmi/pass_through
+Date: January 2021
+KernelVersion: 5.12
+Contact: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
+Description:
+ Boolean. Default: 'N'
+
+ Set this to 'Y' to enable 'pass-through' mode, allowing packets
+ in MAP format to be passed on to the stack.
+
+ Normally the rmnet driver (CONFIG_RMNET) is then used to process
+ and demultiplex these packets.
+
+ 'Pass-through' mode can be enabled when the device is in
+ 'raw-ip' mode only.
