Merge branch '3.15-fixes' into mips-for-linux-next

1 files changed, 14 insertions, 1 deletions

diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 13bbbde00e68..b2acc4a1b13c 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -73,7 +73,7 @@ static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb)
 /* found in socket.c */
 extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *));
 
-static inline int is_vlan_dev(struct net_device *dev)
+static inline bool is_vlan_dev(struct net_device *dev)
 {
         return dev->priv_flags & IFF_802_1Q_VLAN;
 }
@@ -159,6 +159,7 @@ struct vlan_dev_priv {
 #ifdef CONFIG_NET_POLL_CONTROLLER
         struct netpoll                          *netpoll;
 #endif
+        unsigned int                            nest_level;
 };
 
 static inline struct vlan_dev_priv *vlan_dev_priv(const struct net_device *dev)
@@ -197,6 +198,12 @@ extern void vlan_vids_del_by_dev(struct net_device *dev,
                                  const struct net_device *by_dev);
 
 extern bool vlan_uses_dev(const struct net_device *dev);
+
+static inline int vlan_get_encap_level(struct net_device *dev)
+{
+        BUG_ON(!is_vlan_dev(dev));
+        return vlan_dev_priv(dev)->nest_level;
+}
 #else
 static inline struct net_device *
 __vlan_find_dev_deep(struct net_device *real_dev,
@@ -263,6 +270,11 @@ static inline bool vlan_uses_dev(const struct net_device *dev)
 {
         return false;
 }
+static inline int vlan_get_encap_level(struct net_device *dev)
+{
+        BUG();
+        return 0;
+}
 #endif
 
 static inline bool vlan_hw_offload_capable(netdev_features_t features,
@@ -483,4 +495,5 @@ static inline void vlan_set_encap_proto(struct sk_buff *skb,
                  */
                 skb->protocol = htons(ETH_P_802_2);
 }
+
 #endif /* !(_LINUX_IF_VLAN_H_) */