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

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Date:	Thu, 10 Jan 2013 14:10:05 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	vyasevic@...hat.com
Cc:	netdev@...r.kernel.org, davem@...emloft.net, stephen@...hat.com,
	bridge@...ts.linux-foundation.org, shmulik.ladkani@...il.com,
	mst@...hat.com
Subject: Re: [PATCH net-next v5 02/14] bridge: Add vlan filtering
 infrastructure

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.

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