Find any device with given flags
struct net_device * dev_get_by_flags_rcu(struct net * net, unsigned short if_flags, unsigned short mask);
net
the applicable net namespace
if_flags
IFF_* values
mask
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. Must be called inside rcu_read_lock, and result refcount is unchanged.