Merge branch 'ocelot-vlan'

Vladimir Oltean says:

====================
Small ocelot VLAN improvements

This small series propagates some VLAN restrictions via netlink extack
and creates some helper functions instead of open-coding VLAN table
manipulations from multiple places.

This is split from the larger "DSA FDB isolation" series, hence the v2
tag:
https://patchwork.kernel.org/project/netdevbpf/cover/20210818120150.892647-1-vladimir.oltean@nxp.com/
====================

Signed-off-by: David S. Miller <davem@davemloft.net>