bridge: Separate egress policy bitmap

[~andy/linux] / net / bridge / br_vlan.c

diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c
index 9ea358fbbf789870a2b85d0fee991b5b502887a6..93dde75923f02cc8a879c50711f04d4c5c7cc4a3 100644 (file)
--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -23,6 +23,15 @@ static void __vlan_delete_pvid(struct net_port_vlans *v, u16 vid)
        v->pvid = 0;
 }
 
+static void __vlan_add_flags(struct net_port_vlans *v, u16 vid, u16 flags)
+{
+       if (flags & BRIDGE_VLAN_INFO_PVID)
+               __vlan_add_pvid(v, vid);
+
+       if (flags & BRIDGE_VLAN_INFO_UNTAGGED)
+               set_bit(vid, v->untagged_bitmap);
+}
+
 static int __vlan_add(struct net_port_vlans *v, u16 vid, u16 flags)
 {
        struct net_bridge_port *p = NULL;
@@ -31,8 +40,7 @@ static int __vlan_add(struct net_port_vlans *v, u16 vid, u16 flags)
        int err;
 
        if (test_bit(vid, v->vlan_bitmap)) {
-               if (flags & BRIDGE_VLAN_INFO_PVID)
-                       __vlan_add_pvid(v, vid);
+               __vlan_add_flags(v, vid, flags);
                return 0;
        }
 
@@ -69,8 +77,7 @@ static int __vlan_add(struct net_port_vlans *v, u16 vid, u16 flags)
 
        set_bit(vid, v->vlan_bitmap);
        v->num_vlans++;
-       if (flags & BRIDGE_VLAN_INFO_PVID)
-               __vlan_add_pvid(v, vid);
+       __vlan_add_flags(v, vid, flags);
 
        return 0;
 
@@ -86,6 +93,7 @@ static int __vlan_del(struct net_port_vlans *v, u16 vid)
                return -EINVAL;
 
        __vlan_delete_pvid(v, vid);
+       clear_bit(vid, v->untagged_bitmap);
 
        if (v->port_idx && vid) {
                struct net_device *dev = v->parent.port->dev;
@@ -144,11 +152,11 @@ struct sk_buff *br_handle_vlan(struct net_bridge *br,
                goto out;
 
        /* At this point, we know that the frame was filtered and contains
-        * a valid vlan id.  If the vlan id matches the pvid of current port
+        * a valid vlan id.  If the vlan id is set in the untagged bitmap,
         * send untagged; otherwise, send taged.
         */
        br_vlan_get_tag(skb, &vid);
-       if (vid == br_get_pvid(pv))
+       if (test_bit(vid, pv->untagged_bitmap))
                skb = br_vlan_untag(skb);
        else {
                /* Egress policy says "send tagged".  If output device