centos man page for dev_open

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 3.10					     June 2014							       DEV_OPEN(9)