From: Lorenzo Colitti <[email protected]>
Date: Wed, 3 Aug 2016 09:58:09 +0900

> The problem is that the UID routing patches were never accepted
> upstream, and because FRA_xxx and RTA_xxx are enums, there's no safe
> way to add a new value out of tree like there would be with other
> identifiers such as setsockopt values.
> 
> I'm going to make another attempt to upstream the UID routing code
> soon. If that doesn't make it, then we could attempt to reserve a
> couple RTA_xxx and FRA_xxx values for local use.

If upstream rejects the feature, it's because you'll be given a
suggested alternative implementation in order to achieve your
goals.

In that respect, it is inappropriate to expect that we will "reserve"
netlink ID space for such a feature that is rejected in that manner
upstream.

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