Bluetooth: Reject pairing requests when in non-pairable mode

This patch adds the necessary logic to act accordingly when the
HCI_PAIRABLE flag is not set. In that case PIN code replies as well as
Secure Simple Pairing requests without a NoBonding requirement need to
be rejected.

Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index f0c25b5..65cab13 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -384,6 +384,12 @@
 	__u8     reason;
 } __packed;
 
+#define HCI_OP_IO_CAPABILITY_NEG_REPLY	0x0434
+struct hci_cp_io_capability_neg_reply {
+	bdaddr_t bdaddr;
+	__u8     reason;
+} __packed;
+
 #define HCI_OP_SNIFF_MODE		0x0803
 struct hci_cp_sniff_mode {
 	__le16   handle;
@@ -840,6 +846,14 @@
 	bdaddr_t bdaddr;
 } __packed;
 
+#define HCI_EV_IO_CAPA_REPLY		0x32
+struct hci_ev_io_capa_reply {
+	bdaddr_t bdaddr;
+	__u8     capability;
+	__u8     oob_data;
+	__u8     authentication;
+} __packed;
+
 #define HCI_EV_SIMPLE_PAIR_COMPLETE	0x36
 struct hci_ev_simple_pair_complete {
 	__u8     status;