table of contents
other versions
| DEV_GET_BY_INDEX_RCU(9) | Network device support | DEV_GET_BY_INDEX_RCU(9) |
NAME¶
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¶
struct net * net
the applicable net namespace
int 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.
COPYRIGHT¶
| July 2017 | Kernel Hackers Manual 4.12 |