Subject: Re: [PATCH net-next v5 02/14] bridge: Add vlan filtering infrastructure

From: Stephen Hemminger <[email-masked]>
Date: Thu, 10 Jan 2013 14:10:05 -0800

The problem with your approach is that it 
adds a hash lookup in the packet process critical path.

Also the concept of different filters for egress vs ingress is feature
madness. It doesn't make sense to have half-duplex connectivity.