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bridge: Separate egress policy bitmap

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Add an ability to configure a separate "untagged" egress
policy to the VLAN information of the bridge.  This superseeds PVID
policy and makes PVID ingress-only.  The policy is configured with a
new flag and is represented as a port bitmap per vlan.  Egress frames
with a VLAN id in "untagged" policy bitmap would egress
the port without VLAN header.

Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Yasevich
2013-02-13 12:00:20 +00:00
committed by David S. Miller
parent bc9a25d21e
commit 35e03f3a02
4 changed files with 20 additions and 6 deletions
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include/uapi/linux/if_bridge.h
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@@ -121,6 +121,7 @@ enum {
#define BRIDGE_VLAN_INFO_MASTER (1<<0) /* Operate on Bridge device as well */
#define BRIDGE_VLAN_INFO_PVID (1<<1) /* VLAN is PVID, ingress untagged */
#define BRIDGE_VLAN_INFO_UNTAGGED (1<<2) /* VLAN egresses untagged */
struct bridge_vlan_info {
u16 flags;