On Thu, 2020-03-05 at 09:06 +0000, Taehee Yoo wrote: > ->ndo_get_iflink() is useful for finding lower interface. > > Test commands: > ip link add dummy0 type dummy > ip link add vw1 link dummy0 type virt_wifi > ip link show vw1 > > Before: > 9: vw1: <BROADCAST,MULTICAST> ... > After: > 9: vw1@dummy0: <BROADCAST,MULTICAST> ... So I guess from a netdev layering perspective that makes sense, but I'd like to hear from Cody if that's really desired from a testing perspective? This driver is fundamentally a testing tool and doesn't really have a place in a production system, so I'd be more likely to look at the testing needs for this. Thanks, johannes