netdev - Re: Why is gre0 auto-created, and can we fix it?

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Date:	Sat, 21 Jan 2012 09:48:52 -0800
From:	Ben Greear <greearb@...delatech.com>
To:	Krzysztof Halasa <khc@...waw.pl>
CC:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: Why is gre0 auto-created, and can we fix it?

On 01/21/2012 09:39 AM, Krzysztof Halasa wrote:
> Ben Greear<greearb@...delatech.com>  writes:
>
>>>> As far as I can tell, no other interfaces are auto-created
>>>> in this manner.
>>>
>>> ip6tnl0 and sit0 do it too, just grep for alloc_netdev() under
>>> net/{ipv4,ipv6}/
>>
>> So, no changing the behaviour?
>
> Perhaps making it CONFIGurable would be safe enough, not that I like
> CONFIG options for all tiny details (one may argue it's not a tiny
> detail).
>
> Haven't looked at the actual code.

Seems like it could be a run-time configurable, maybe module or boot option
or sysctl or something.

I haven't looked any more at the code either...maybe next week (tm).

Thanks,
Ben

-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com
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