netdev - Re: [patch net-next-2.6 1/2] net: allow to change carrier via sysfs

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Message-ID: <CAHXqBFJh0xjRYv_-2AzwAvpHOUfQ+pD_153qVtNA3Ybo9r3b=w@mail.gmail.com>
Date:	Tue, 30 Aug 2011 20:11:37 +0200
From:	Michał Mirosław <mirqus@...il.com>
To:	Jiri Pirko <jpirko@...hat.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net,
	eric.dumazet@...il.com, bhutchings@...arflare.com,
	shemminger@...tta.com
Subject: Re: [patch net-next-2.6 1/2] net: allow to change carrier via sysfs

2011/8/30 Jiri Pirko <jpirko@...hat.com>:
> Allow to write to "carrier" attribute. Devices may implement ndo_change_carrier
> callback to allow changing carrier from userspace.

Do you expect drivers using implementation different than just calling
netif_carrier_on/off? Or is it supposed to also e.g. power down PHYs?

BTW, I like this feature!

Best Regards,
Michał Mirosław
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