---
name: "dev_change_proto_down"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/dev_change_proto_down"
---

# dev\_change\_proto\_down(9)

update protocol port state information

## NAME

dev\_change\_proto\_down - update protocol port state information

## SYNOPSIS

**int dev\_change\_proto\_down(struct net\_device \*** *dev***, bool** *proto\_down***);**

## ARGUMENTS

*dev*

device

*proto\_down*

new value

## DESCRIPTION

This info can be used by switch drivers to set the phys state of the port.

## COPYRIGHT