Bluetooth: Add HCI authentication capabilities macros

Add macros for the HCI capabilities as described in the Bluetooth Core
Specification v4.0, Volume 2, part E, section 7.1.29.

Signed-off-by: Mikel Astiz <mikel.astiz@bmw-carit.de>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 3c592cf473da..a01fbb4a0499 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -296,6 +296,12 @@ enum {
 #define HCI_AT_GENERAL_BONDING          0x04
 #define HCI_AT_GENERAL_BONDING_MITM     0x05
 
+/* I/O capabilities */
+#define HCI_IO_DISPLAY_ONLY     0x00
+#define HCI_IO_DISPLAY_YESNO    0x01
+#define HCI_IO_KEYBOARD_ONLY    0x02
+#define HCI_IO_NO_INPUT_OUTPUT  0x03
+
 /* Link Key types */
 #define HCI_LK_COMBINATION              0x00
 #define HCI_LK_LOCAL_UNIT               0x01