DEV_OPEN(9)                           Network device support                          DEV_OPEN(9)



NAME
       dev_open - prepare an interface for use.

SYNOPSIS
       int dev_open(struct net_device * dev);

ARGUMENTS
       dev
           device to open

DESCRIPTION
       Takes a device from down to up state. The device's private open function is invoked and
       then the multicast lists are loaded. Finally the device is moved into the up state and a
       NETDEV_UP message is sent to the netdev notifier chain.

       Calling this function on an active interface is a nop. On a failure a negative errno code
       is returned.

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