NFC: Add target mode activation netlink event

Userspace gets a netlink event upon target mode activation.
The LLCP layer is also signaled when we get an ATR_REQ in order to get
the remote general bytes.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

2 files changed, 11 insertions, 0 deletions

diff --git a/include/linux/nfc.h b/include/linux/nfc.h
index 548715881fb0..d124e9273fcb 100644
--- a/include/linux/nfc.h
+++ b/include/linux/nfc.h
@@ -56,6 +56,10 @@
  *      %NFC_ATTR_PROTOCOLS)
  * @NFC_EVENT_DEVICE_REMOVED: event emitted when a device is removed
  *      (it sends %NFC_ATTR_DEVICE_INDEX)
+ * @NFC_EVENT_TM_ACTIVATED: event emitted when the adapter is activated in
+ *      target mode.
+ * @NFC_EVENT_DEVICE_DEACTIVATED: event emitted when the adapter is deactivated
+ *      from target mode.
  */
 enum nfc_commands {
         NFC_CMD_UNSPEC,
@@ -71,6 +75,8 @@ enum nfc_commands {
         NFC_EVENT_DEVICE_ADDED,
         NFC_EVENT_DEVICE_REMOVED,
         NFC_EVENT_TARGET_LOST,
+        NFC_EVENT_TM_ACTIVATED,
+        NFC_EVENT_TM_DEACTIVATED,
 /* private: internal use only */
         __NFC_CMD_AFTER_LAST
 };
@@ -122,6 +128,7 @@ enum nfc_attrs {
 #define NFC_NFCID1_MAXSIZE 10
 #define NFC_SENSB_RES_MAXSIZE 12
 #define NFC_SENSF_RES_MAXSIZE 18
+#define NFC_GB_MAXSIZE        48
 
 /* NFC protocols */
 #define NFC_PROTO_JEWEL         1
diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h
index 97aa0e81aa83..41573b4bd78a 100644
--- a/include/net/nfc/nfc.h
+++ b/include/net/nfc/nfc.h
@@ -198,4 +198,8 @@ int nfc_target_lost(struct nfc_dev *dev, u32 target_idx);
 int nfc_dep_link_is_up(struct nfc_dev *dev, u32 target_idx,
                        u8 comm_mode, u8 rf_mode);
 
+int nfc_tm_activated(struct nfc_dev *dev, u32 protocol, u8 comm_mode,
+                     u8 *gb, size_t gb_len);
+int nfc_tm_deactivated(struct nfc_dev *dev);
+
 #endif /* __NET_NFC_H */