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@@ -119,4 +119,21 @@ extern int macvlan_link_register(struct rtnl_link_ops *ops);
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extern netdev_tx_t macvlan_start_xmit(struct sk_buff *skb,
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struct net_device *dev);
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+#if IS_ENABLED(CONFIG_MACVLAN)
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+static inline struct net_device *
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+macvlan_dev_real_dev(const struct net_device *dev)
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+{
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+ struct macvlan_dev *macvlan = netdev_priv(dev);
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+
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+ return macvlan->lowerdev;
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+}
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+#else
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+static inline struct net_device *
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+macvlan_dev_real_dev(const struct net_device *dev)
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+{
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+ BUG();
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+ return NULL;
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+}
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+#endif
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+
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#endif /* _LINUX_IF_MACVLAN_H */
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