Messages in this thread | | | From | (Eric W. Biederman) | Date | Wed, 26 Sep 2012 19:30:01 -0700 | Subject | Re: [PATCH] namespace: Add an identifier to the namespace file |
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Corey Minyard <tcminyard@gmail.com> 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
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