dev_set_promiscuity
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## Name

dev_set_promiscuity — update promiscuity count on a device

## Synopsis

`int dev_set_promiscuity (` | struct net_device * dev,
| int inc`)`;

## Arguments

`dev`

  device

`inc`

  modifier

## Description

Add or remove promiscuity from a device. While the count in the device remains above zero the interface remains promiscuous. Once it hits zero the device reverts back to normal filtering operation. A negative inc value is used to drop promiscuity on the device. Return 0 if successful or a negative errno code on error.

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