Hello, this patch series add a sysfs file to let userspace know which mux id has been used to create a qmimux network interface. I'm aware that adding new sysfs files is not usually the right path, but my understanding is that this piece of information can't be retrieved in any other way and its absence restricts how userspace application (e.g. like libqmi) can take advantage of the qmimux implementation in qmi_wwan. Thanks, Daniele Daniele Palmas (2): net: usb: qmi_wwan: add qmap id sysfs file for qmimux interfaces net: qmi_wwan: document qmap/mux_id sysfs file Documentation/ABI/testing/sysfs-class-net-qmi | 10 +++++++ drivers/net/usb/qmi_wwan.c | 27 +++++++++++++++++++ 2 files changed, 37 insertions(+) -- 2.17.1