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
       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.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   DEV_GET_BY_INDEX_RCU(9)