dev_close
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## Name

dev_close — shutdown an interface.

## Synopsis

`int dev_close (` | struct net_device * dev`)`;

## Arguments

`dev`

  device to shutdown

## Description

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 chain.

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