dsa: add support for Trailer tagging format

[linux-2.6-omap-h63xx.git] / include / linux / netdevice.h

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 97f0c64c152af38b61d1d842fb2b49c0e8cc82d3..d3ea3de70a8a54afde98014602504ebd48437624 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -812,6 +812,16 @@ static inline bool netdev_uses_dsa_tags(struct net_device *dev)
        return 0;
 }
 
+static inline bool netdev_uses_trailer_tags(struct net_device *dev)
+{
+#ifdef CONFIG_NET_DSA_TAG_TRAILER
+       if (dev->dsa_ptr != NULL)
+               return dsa_uses_trailer_tags(dev->dsa_ptr);
+#endif
+
+       return 0;
+}
+
 /**
  *     netdev_priv - access network device private data
  *     @dev: network device