From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [RFC PATCH 1/6] invisible network devices
Date: Tue, 30 Jan 2007 10:08:18 +0000
Message-ID: <20070130100818.GC8548@infradead.org>
References: <20070129184707.885764375.midnight@suse.cz> <20070129102814.6385ad2d@freekitty>
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Cc: Jiri Benc <jbenc@suse.cz>, netdev@vger.kernel.org,
	"John W. Linville" <linville@tuxdriver.com>,
	Stephen Hemminger <shemminger@osdl.org>,
	David Miller <davem@davemloft.net>
To: Stephen Hemminger <shemminger@linux-foundation.org>
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On Mon, Jan 29, 2007 at 10:28:14AM -0800, Stephen Hemminger wrote:
> Maybe code would be cleaner if you just could do:
> 	register_netdevice(mydev);
> 
> 	cloak_netdevice(mydev);
> 
> 
> And cloak_netdevice() just removed the network device from the 
> name table.  I would rather keep it with a real ifindex and in the
> device list, so that if the interface is miss used or the device
> is referenced by other devices, we don't see unexpected surprises
> like oops.

I don't think first publishing it and then hiding it is a good idea,
but I agreed that it should at least have a valid ifindex.