6lowpan: move lowpan_802154_dev to 6lowpan

This patch moves the 802.15.4 link layer specific structures to generic
6lowpan. This is necessary for special 802.15.4 6lowpan handling in
6lowpan generic layer.
Reviewed-by: NStefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: NAlexander Aring <aar@pengutronix.de>
Acked-by: NJukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>

include/net/6lowpan.h

@@ -144,6 +144,18 @@ struct lowpan_dev *lowpan_dev(const struct net_device *dev)
 	return netdev_priv(dev);
 }
 
+/* private device info */
+struct lowpan_802154_dev {
+	struct net_device	*wdev; /* wpan device ptr */
+	u16			fragment_tag;
+};
+
+static inline struct
+lowpan_802154_dev *lowpan_802154_dev(const struct net_device *dev)
+{
+	return (struct lowpan_802154_dev *)lowpan_dev(dev)->priv;
+}
+
 struct lowpan_802154_cb {
 	u16 d_tag;
 	unsigned int d_size;

net/ieee802154/6lowpan/6lowpan_i.h

@@ -47,18 +47,6 @@ static inline u32 ieee802154_addr_hash(const struct ieee802154_addr *a)
 	}
 }
 
-/* private device info */
-struct lowpan_802154_dev {
-	struct net_device	*wdev; /* wpan device ptr */
-	u16			fragment_tag;
-};
-
-static inline struct
-lowpan_802154_dev *lowpan_802154_dev(const struct net_device *dev)
-{
-	return (struct lowpan_802154_dev *)lowpan_dev(dev)->priv;
-}
-
 int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type);
 void lowpan_net_frag_exit(void);
 int lowpan_net_frag_init(void);