dev_get_by_flags — find any device with given flags
struct net_device * dev_get_by_flags
(struct net * net, unsigned short if_flags, unsigned short mask);
the applicable net namespace
IFF_* values
bitmask of bits in if_flags to check
Search for any interface with the given flags. Returns NULL if a device is not found or a pointer to the device. The device returned has had a reference added and the pointer is safe until the user calls dev_put to indicate they have finished with it.