netdev - Re: [PATCH net-next] tun: implement carrier change

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Message-ID: <20181128214804.GB2770@lunn.ch>
Date:   Wed, 28 Nov 2018 22:48:04 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Nicolas Dichtel <nicolas.dichtel@...nd.com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        Didier Pallard <didier.pallard@...nd.com>
Subject: Re: [PATCH net-next] tun: implement carrier change

On Wed, Nov 28, 2018 at 07:12:56PM +0100, Nicolas Dichtel wrote:
> The userspace may need to control the carrier state.

Hi Nicolas

Could you explain your user case a bit more.

Are you running a routing daemon on top of the interface, and want it
to reroute when the carrier goes down?

   Thanks
	Andrew