[Devel] Re: VRF-like use of Network Namespaces

[Dan Smith]

MP> I saw there was a rtnetlink attribute to set the netns of a device but it
MP> uses the PID of a namespace owner to do so... within 'ip' i can refer to
MP> only one namespace (i.e. the one that 'ip' task_struct->ns_proxy currently
MP> points to), so I won't be able to move an interface from outside my
MP> namespace to my namespace...

Not just the owner, but any process in the namespace, AFAIK.  So, you
should be able to fork() a child, have that child setns() into the
namespace of your choosing, and then move the device to the process of
your child (since you now know the pid).  It's a little indirect, but
it should work.

-- 
Dan Smith
IBM Linux Technology Center
email: danms at us.ibm.com
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