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On Thu, Jun 12, 2008 at 3:38 PM, Patrick McHardy <kaber@xxxxxxxxx> wrote:
> Julius Volz wrote:
>>> I wonder if now would be a good time to bite the bullet and design
>>> a new interface that is extendable.
>>
>> If we really have to break it once for IPv6 anyways, it seems like a
>> good opportunity. Depends on how invasive the changes would need to
>> be, of course...
>
> You don't need to break the old interface, just add an additional
> one.
Ok, then we will just keep the old one in parallel for some time.
>> You probably already have some ideas on what a better interface would
>> look like? Especially, how to design it for future backwards
>> compatibility? And would it still use sockopts or rather one of the
>> other communication mechanisms?
>
> I'd suggest genetlink or nfnetlink.
Ah, that's what I thought... Are there any simple kernel examples with
userspace counterparts to look at? I know iproute2 uses netlink, but
it seems like a rather complicated example.
Genetlink seems especially nice, although I couldn't find a general
explanation of it other than in git history.
Julius
--
Google Switzerland GmbH
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