netdev - Re: [PATCH net-next v5 01/14] vlan: wrap hw-acceleration calls in separate functions.

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Date:	Fri, 11 Jan 2013 09:20:04 -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 01/14] vlan: wrap hw-acceleration calls in
 separate functions.

What I think is the least intrusive and allows for maximum flexibility
is having the VLAN bridge filtering depend on VLAN support (CONFIG_VLAN_8021Q).
There already is drivers that depend on that value to enable filtering.

And make the support of VLAN filtering in the bridge conditional like
IGMP snooping is optional

--- a/net/bridge/Kconfig
+++ b/net/bridge/Kconfig
@@ -46,3 +46,17 @@ config BRIDGE_IGMP_SNOOPING
          Say N to exclude this support and reduce the binary size.
 
          If unsure, say Y.
+
+config BRIDGE_VLAN_FILTERING
+       bool "VLAN filtering"
+       depends on BRIDGE
+       depends on VLAN_8021Q
+       default n
+       ---help---
+         If you say Y here, then the Ethernet bridge will be able to
+        selectively filter traffic based on VLAN tag.
+
+        Say N to exclude this support and reduce the binary size.
+
+        If unsure, say Y.
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