NFC: Add a DEP link control netlink command

NFC-DEP (Data Exchange Protocol) is an NFC MAC layer.
This command allows to enable and disable the DEP link on to which e.g.
LLCP can run.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/nfc/nfc.h b/net/nfc/nfc.h
index 67d6050..4d0fb12 100644
--- a/net/nfc/nfc.h
+++ b/net/nfc/nfc.h
@@ -68,6 +68,10 @@
 int nfc_genl_device_added(struct nfc_dev *dev);
 int nfc_genl_device_removed(struct nfc_dev *dev);
 
+int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx,
+			       u8 comm_mode, u8 rf_mode);
+int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
+
 struct nfc_dev *nfc_get_device(unsigned idx);
 
 static inline void nfc_put_device(struct nfc_dev *dev)
@@ -102,6 +106,11 @@
 
 int nfc_stop_poll(struct nfc_dev *dev);
 
+int nfc_dep_link_up(struct nfc_dev *dev, int target_idx,
+				u8 comm_mode, u8 rf_mode);
+
+int nfc_dep_link_down(struct nfc_dev *dev);
+
 int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
 
 int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx);