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Diffstat (limited to 'net/bridge/br_vlan.c')
-rw-r--r--net/bridge/br_vlan.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c
index e1bcd653899b..f645197b33d1 100644
--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -125,7 +125,8 @@ struct sk_buff *br_handle_vlan(struct net_bridge *br,
{
u16 vid;
- if (!br->vlan_enabled)
+ /* If this packet was not filtered at input, let it pass */
+ if (!BR_INPUT_SKB_CB(skb)->vlan_filtered)
goto out;
/* Vlan filter table must be configured at this point. The
@@ -164,8 +165,10 @@ bool br_allowed_ingress(struct net_bridge *br, struct net_port_vlans *v,
/* If VLAN filtering is disabled on the bridge, all packets are
* permitted.
*/
- if (!br->vlan_enabled)
+ if (!br->vlan_enabled) {
+ BR_INPUT_SKB_CB(skb)->vlan_filtered = false;
return true;
+ }
/* If there are no vlan in the permitted list, all packets are
* rejected.
@@ -173,6 +176,7 @@ bool br_allowed_ingress(struct net_bridge *br, struct net_port_vlans *v,
if (!v)
goto drop;
+ BR_INPUT_SKB_CB(skb)->vlan_filtered = true;
proto = br->vlan_proto;
/* If vlan tx offload is disabled on bridge device and frame was
@@ -251,7 +255,8 @@ bool br_allowed_egress(struct net_bridge *br,
{
u16 vid;
- if (!br->vlan_enabled)
+ /* If this packet was not filtered at input, let it pass */
+ if (!BR_INPUT_SKB_CB(skb)->vlan_filtered)
return true;
if (!v)
@@ -270,7 +275,8 @@ bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid)
struct net_bridge *br = p->br;
struct net_port_vlans *v;
- if (!br->vlan_enabled)
+ /* If filtering was disabled at input, let it pass. */
+ if (!BR_INPUT_SKB_CB(skb)->vlan_filtered)
return true;
v = rcu_dereference(p->vlan_info);