X-Git-Url: http://git.agner.ch/gitweb/?p=linux-drm-fsl-dcu.git;a=blobdiff_plain;f=include%2Flinux%2Fif_macvlan.h;h=84ba5ac39e039f80da563305155800cd1332782c;hp=c2702856295ebaaa06db6dddb7106a53d2e71315;hb=5d5119a476f77b57381ddd66d4f7034a5447480b;hpb=9073e1a804c3096eda84ee7cbf11d1f174236c75

diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index c2702856295e..84ba5ac39e03 100644
--- 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 */