1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index aab4d9f6613d..6997f62cb6a0 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -274,6 +274,7 @@ struct header_ops {
                                 const struct net_device *dev,
                                 const unsigned char *haddr);
         bool    (*validate)(const char *ll_header, unsigned int len);
+        __be16  (*parse_protocol)(const struct sk_buff *skb);
 };
 
 /* These flag bits are private to the generic network queueing
@@ -2939,6 +2940,15 @@ static inline int dev_parse_header(const struct sk_buff *skb,
         return dev->header_ops->parse(skb, haddr);
 }
 
+static inline __be16 dev_parse_header_protocol(const struct sk_buff *skb)
+{
+        const struct net_device *dev = skb->dev;
+
+        if (!dev->header_ops || !dev->header_ops->parse_protocol)
+                return 0;
+        return dev->header_ops->parse_protocol(skb);
+}
+
 /* ll_header must have at least hard_header_len allocated */
 static inline bool dev_validate_header(const struct net_device *dev,
                                        char *ll_header, int len)