diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index cf3847e..ce8518e 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -33,7 +33,7 @@
 				   unsigned short type, void *daddr,
 				   void *saddr, unsigned len);
 extern int		eth_rebuild_header(struct sk_buff *skb);
-extern unsigned short	eth_type_trans(struct sk_buff *skb, struct net_device *dev);
+extern __be16		eth_type_trans(struct sk_buff *skb, struct net_device *dev);
 extern void		eth_header_cache_update(struct hh_cache *hh, struct net_device *dev,
 						unsigned char * haddr);
 extern int		eth_header_cache(struct neighbour *neigh,
diff --git a/include/linux/fddidevice.h b/include/linux/fddidevice.h
index 002f636..e61e42d 100644
--- a/include/linux/fddidevice.h
+++ b/include/linux/fddidevice.h
@@ -25,7 +25,7 @@
 #include <linux/if_fddi.h>
 
 #ifdef __KERNEL__
-extern unsigned short	fddi_type_trans(struct sk_buff *skb,
+extern __be16	fddi_type_trans(struct sk_buff *skb,
 				struct net_device *dev);
 extern struct net_device *alloc_fddidev(int sizeof_priv);
 #endif
diff --git a/include/linux/hdlc.h b/include/linux/hdlc.h
index ed2927e..df695e9a 100644
--- a/include/linux/hdlc.h
+++ b/include/linux/hdlc.h
@@ -242,8 +242,8 @@
 }
 
 
-static __inline__ unsigned short hdlc_type_trans(struct sk_buff *skb,
-						 struct net_device *dev)
+static __inline__ __be16 hdlc_type_trans(struct sk_buff *skb,
+					 struct net_device *dev)
 {
 	hdlc_device *hdlc = dev_to_hdlc(dev);
 
diff --git a/include/linux/wanrouter.h b/include/linux/wanrouter.h
index 3e89f0f..1b6b76a 100644
--- a/include/linux/wanrouter.h
+++ b/include/linux/wanrouter.h
@@ -516,8 +516,7 @@
 /* Public functions available for device drivers */
 extern int register_wan_device(struct wan_device *wandev);
 extern int unregister_wan_device(char *name);
-unsigned short wanrouter_type_trans(struct sk_buff *skb,
-				    struct net_device *dev);
+__be16 wanrouter_type_trans(struct sk_buff *skb, struct net_device *dev);
 int wanrouter_encapsulate(struct sk_buff *skb, struct net_device *dev,
 			  unsigned short type);
 
diff --git a/include/net/x25device.h b/include/net/x25device.h
index cf36a20..d45ae88 100644
--- a/include/net/x25device.h
+++ b/include/net/x25device.h
@@ -5,8 +5,7 @@
 #include <linux/if_packet.h>
 #include <linux/skbuff.h>
 
-static inline unsigned short x25_type_trans(struct sk_buff *skb,
-					    struct net_device *dev)
+static inline __be16 x25_type_trans(struct sk_buff *skb, struct net_device *dev)
 {
 	skb->mac.raw = skb->data;
 	skb->input_dev = skb->dev = dev;