netdev - Re: [patch net-next 0/4] net: allow to change carrier from userspace

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Message-ID: <20121212101208.361ccda0@nehalam.linuxnetplumber.net>
Date:	Wed, 12 Dec 2012 10:12:08 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Jiri Pirko <jiri@...nulli.us>
Cc:	netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
	bhutchings@...arflare.com, mirqus@...il.com,
	greearb@...delatech.com, fbl@...hat.com
Subject: Re: [patch net-next 0/4] net: allow to change carrier from
 userspace

On Wed, 12 Dec 2012 19:10:17 +0100
Jiri Pirko <jiri@...nulli.us> wrote:

> ># ip li show dev dummy0
> >12: dummy0: <NO-CARRIER,BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state DORMANT mode DORMANT   
> 
> if you mean this "NO-CARRIER"
> it has no direct relation with netif_carrier_ok().

It is the same value (IFF_RUNNING) that is visible from user space.
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