The Linux Kernel API
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dev_open

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.

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