Hi, Spin two, with a new patch (IFLA_PARENT_DEV_NAME) and reworked to use the existing struct wwan_device that I missed entirely. Still includes the IOSM patches for reference, so the IOSM bits here apply only with this set also applied: https://lore.kernel.org/r/20210520140158.10132-1-m.chetan.kumar@xxxxxxxxx johannes