From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [PATCH iproute2 v7 4/4] ip link: proto_down config and display.
Date: Tue, 28 Jul 2015 16:44:53 -0700
Message-ID: <20150728164453.07cf0422@urahara>
References: <1436906602-2958-5-git-send-email-anuradhak@cumulusnetworks.com>
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On Tue, 14 Jul 2015 13:43:22 -0700
anuradhak@cumulusnetworks.com wrote:

> From: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>
> 
> This patch adds support to set and display protodown on a switch port. The
> switch driver can handle this error state by doing a phys down on the port.
> 
> One example user space application setting this flag is a multi-chassis
> LAG application to handle split-brain situation on peer-link failure.
> 
> Example:
> root@net-next:~# ip link set eth1 protodown on
> root@net-next:~/iproute2# ip link show eth1
> 4: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
>     link/ether 52:54:00:12:35:01 brd ff:ff:ff:ff:ff:ff protodown on
> root@net-next:~/iproute2# ip link set eth1 protodown off
> root@net-next:~/iproute2# ip link show eth1
> 4: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
>     link/ether 52:54:00:12:35:01 brd ff:ff:ff:ff:ff:ff
> root@net-next:~/iproute2#
> 
> Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>
> Signed-off-by: Andy Gospodarek <gospo@cumulusnetworks.com>
> Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
> Signed-off-by: Wilson Kok <wkok@cumulusnetworks.com>

Applied to net-next branch.