net: vlan: prepare for 802.1ad support
Make the encapsulation protocol value a property of VLAN devices and change
the device lookup functions to take the protocol value into account.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/8021q/vlan_mvrp.c b/net/8021q/vlan_mvrp.c
index d9ec1d5..e0fe091 100644
--- a/net/8021q/vlan_mvrp.c
+++ b/net/8021q/vlan_mvrp.c
@@ -38,6 +38,8 @@
const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
__be16 vlan_id = htons(vlan->vlan_id);
+ if (vlan->vlan_proto != htons(ETH_P_8021Q))
+ return 0;
return mrp_request_join(vlan->real_dev, &vlan_mrp_app,
&vlan_id, sizeof(vlan_id), MVRP_ATTR_VID);
}
@@ -47,6 +49,8 @@
const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
__be16 vlan_id = htons(vlan->vlan_id);
+ if (vlan->vlan_proto != htons(ETH_P_8021Q))
+ return;
mrp_request_leave(vlan->real_dev, &vlan_mrp_app,
&vlan_id, sizeof(vlan_id), MVRP_ATTR_VID);
}