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+What: /sys/class/net/<iface>/qmi/raw_ip
+Date: Dec 2015
+KernelVersion: 4.4
+Contact: Bjørn Mork <bjorn@mork.no>
+Description:
+ Boolean. Default: 'N'
+
+ Set this to 'Y' to change the network device link
+ framing from '802.3' to 'raw-ip'.
+
+ The netdev will change to reflect the link framing
+ mode. The netdev is an ordinary ethernet device in
+ '802.3' mode, and the driver expects to exchange
+ frames with an ethernet header over the USB link. The
+ netdev is a headerless p-t-p device in 'raw-ip' mode,
+ and the driver expects to echange IPv4 or IPv6 packets
+ without any L2 header over the USB link.
+
+ Userspace is in full control of firmware configuration
+ through the delegation of the QMI protocol. Userspace
+ is responsible for coordination of driver and firmware
+ link framing mode, changing this setting to 'Y' if the
+ firmware is configured for 'raw-ip' mode.
+
+What: /sys/class/net/<iface>/qmi/add_mux
+Date: March 2017
+KernelVersion: 4.11
+Contact: Bjørn Mork <bjorn@mork.no>
+Description:
+ Unsigned integer.
+
+ Write a number ranging from 1 to 254 to add a qmap mux
+ based network device, supported by recent Qualcomm based
+ modems.
+
+ The network device will be called qmimux.
+
+ Userspace is in charge of managing the qmux network device
+ activation and data stream setup on the modem side by
+ using the proper QMI protocol requests.
+
+What: /sys/class/net/<iface>/qmi/del_mux
+Date: March 2017
+KernelVersion: 4.11
+Contact: Bjørn Mork <bjorn@mork.no>
+Description:
+ Unsigned integer.
+
+ Write a number ranging from 1 to 254 to delete a previously
+ created qmap mux based network device.