dev_get_by_index_rcu (9) Linux Manual Page
dev_get_by_index_rcu – find a device by its ifindex
Synopsis
struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex);Arguments
net
-
- the applicable net namespace
ifindex
- index of device
Description
Search for an interface by index. Returns NULL if the device is not found or a pointer to the device. The device has not had its reference counter increased so the caller must be careful about locking. The caller must hold RCU lock.