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

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Date:	Sun, 30 Dec 2012 14:06:50 +0100
From:	Jiri Pirko <jiri@...nulli.us>
To:	Michał Mirosław <mirqus@...il.com>
Cc:	netdev <netdev@...r.kernel.org>, Flavio Leitner <fbl@...hat.com>
Subject: Re: [PATCH net-next] team: implement carrier change



30. 12. 2012 v 14:03, Michał Mirosław <mirqus@...il.com>:

> 2012/12/30 Flavio Leitner <fbl@...hat.com>:
>> The user space teamd daemon may need to control the
>> master's carrier state depending on the selected mode.
> [...]
>> +static int team_change_carrier(struct net_device *dev, bool new_carrier)
>> +{
>> +       if (new_carrier)
>> +               netif_carrier_on(dev);
>> +       else
>> +               netif_carrier_off(dev);
>> +       return 0;
>> +}
>> +
> [...]
>> +       .ndo_change_carrier     = team_change_carrier,
> 
> I wonder what else you might put in the .ndo_change_carrier
> implementation? It's already the same for dummy device and tunnels
> would get more copies. Maybe it would be enough to allocate a bit in
> netdev->priv_flags and use that in dev_change_carrier() instead?
>  

Flavio has a patch adding some more code here prepared already. Will be posted soon.

> Best Regards,
> Michał Mirosław
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