[Devel] Re: [PATCH][NETNS] Make ifindex generation per-namespace

[Eric W. Biederman]

Pavel Emelyanov <xemul at openvz.org> writes:

>> I know there are several data structures internal to the kernel that
>> are indexed by ifindex, and not struct net_device *.  There is the
>> iflink field in struct net_device.  We need a way to refer to network
>> devices in other namespaces in rtnetlink in an unambiguous way.   I
>> don't see any real problems with a global ifindex assignment until
>> we start migrating applications.
>> 
>> So please hold off on this until the kernel has been audited and
>> we have removed all of the uses of ifindex that assume ifindex is
>> global, that we can find.
>
> Ok.

Thanks.

Eric