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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

June 2017 Kernel Hackers Manual 4.11