DEV_CLOSE(9) Network device support DEV_CLOSE(9)NAMEdev_close - shutdown an interface.
int dev_close(struct net_device * dev);
device to shutdown
This function moves an active device into down state. A
NETDEV_GOING_DOWN is sent to the netdev notifier chain. The device is
then deactivated and finally a NETDEV_DOWN is sent to the notifier
COPYRIGHTKernel Hackers Manual 2.6. November 2013 DEV_CLOSE(9)