bridge: Implement vlan ingress/egress policy with PVID.
At ingress, any untagged traffic is assigned to the PVID.
Any tagged traffic is filtered according to membership bitmap.
At egress, if the vlan matches the PVID, the frame is sent
untagged. Otherwise the frame is sent tagged.
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 787d7da..a63f227 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -45,6 +45,10 @@
return NET_RX_DROP;
}
+ skb = br_handle_vlan(br, br_get_vlan_info(br), skb);
+ if (!skb)
+ return NET_RX_DROP;
+
indev = skb->dev;
skb->dev = brdev;
@@ -61,11 +65,12 @@
struct net_bridge_fdb_entry *dst;
struct net_bridge_mdb_entry *mdst;
struct sk_buff *skb2;
+ u16 vid = 0;
if (!p || p->state == BR_STATE_DISABLED)
goto drop;
- if (!br_allowed_ingress(p->br, nbp_get_vlan_info(p), skb))
+ if (!br_allowed_ingress(p->br, nbp_get_vlan_info(p), skb, &vid))
goto drop;
/* insert into forwarding database after filtering to avoid spoofing */