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-rw-r--r--include/linux/if_ether.h1
-rw-r--r--include/linux/netdevice.h10
-rw-r--r--include/net/dsa.h1
3 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 32b9dcda68c7..a0099e98b5c4 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -102,6 +102,7 @@
#define ETH_P_HDLC 0x0019 /* HDLC frames */
#define ETH_P_ARCNET 0x001A /* 1A for ArcNet :-) */
#define ETH_P_DSA 0x001B /* Distributed Switch Arch. */
+#define ETH_P_TRAILER 0x001C /* Trailer switch tagging */
#define ETH_P_PHONET 0x00F5 /* Nokia Phonet frames */
/*
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 97f0c64c152a..d3ea3de70a8a 100644
--- 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
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 72e509b6a12e..52e97bfca5a1 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -31,6 +31,7 @@ struct dsa_platform_data {
};
extern bool dsa_uses_dsa_tags(void *dsa_ptr);
+extern bool dsa_uses_trailer_tags(void *dsa_ptr);
#endif