centos man page for netdev_update_features

NETDEV_UPDATE_FEATUR(9) 				      Network device support					   NETDEV_UPDATE_FEATUR(9)

NAME
       netdev_update_features - recalculate device features

SYNOPSIS
       void netdev_update_features(struct net_device * dev);

ARGUMENTS
       dev
	   the device to check

DESCRIPTION
       Recalculate dev->features set and send notifications if it has changed. Should be called after driver or hardware dependent conditions
       might have changed that influence the features.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   NETDEV_UPDATE_FEATUR(9)