Merge branch 'clockevents/fixes' of git://git.linaro.org/people/daniel.lezcano/linux...

[linux-drm-fsl-dcu.git] / include / linux / if_macvlan.h

diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index c2702856295ebaaa06db6dddb7106a53d2e71315..84ba5ac39e039f80da563305155800cd1332782c 100644 (file)
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -119,4 +119,21 @@ extern int macvlan_link_register(struct rtnl_link_ops *ops);
 extern netdev_tx_t macvlan_start_xmit(struct sk_buff *skb,
                                      struct net_device *dev);
 
+#if IS_ENABLED(CONFIG_MACVLAN)
+static inline struct net_device *
+macvlan_dev_real_dev(const struct net_device *dev)
+{
+       struct macvlan_dev *macvlan = netdev_priv(dev);
+
+       return macvlan->lowerdev;
+}
+#else
+static inline struct net_device *
+macvlan_dev_real_dev(const struct net_device *dev)
+{
+       BUG();
+       return NULL;
+}
+#endif
+
 #endif /* _LINUX_IF_MACVLAN_H */