Re: [PATCH] namespace: Add an identifier to the namespace file

[Eric W. Biederman]

Corey Minyard <tcminyard@xxxxxxxxx> writes:

> On 09/26/2012 07:48 PM, Eric W. Biederman wrote:
>> For netfilter or any other interface what should happen is that a file
>> descriptor is passed in and the network namespace is derived from the
>> file descriptor.
>>
>> Given that netfilter is per network namespace I'm not certain how
>> filtering per network namespace would make sense.
>>
>> When I have poked my nose into netfilter I have had the hard problem
>> that I have not figured out how to translate the parameters supplied
>> by userspace into a more appropriate in kernel form, so I'm not certain
>> how to implement passing a file descriptor into netfilter efficiently.
>
> Yeah, that's kind of where I am stuck, too. netfilter used to be global,
> so if it's not, this may be a "You can't do that any more".

I expect this will come down closer to you can't do it that way anymore.

Eric
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/