DEV_GET_BY_INDEX - Online Linux Manual PageSection : 9
Updated : June 2018
Source : Kernel Hackers Manual 2​.6​.
Note : Network device support

NAMEdev_get_by_index − find a device by its ifindex

SYNOPSISstruct net_device * dev_get_by_index(struct net * net, int ifindex);

ARGUMENTSnet the applicable net namespace ifindex index of device

DESCRIPTIONSearch for an interface by index​. Returns NULL if the device is not found or a pointer to the device​. The device returned has had a reference added and the pointer is safe until the user calls dev_put to indicate they have finished with it​.

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