netdev_all_lower_get_next_rcu — Get the next device from all lower neighbour list, RCU variant
struct net_device * netdev_all_lower_get_next_rcu (
)
dev
device
iter
list_head ** of the current position
Gets the next netdev_adjacent from the dev's all lower neighbour list, starting from iter position. The caller must hold RCU read lock.