Bluetooth: Add simple SMP pairing negotiation

This implementation only exchanges SMP messages between the Host and the
Remote. No keys are being generated. TK and STK generation will be
provided in further patches.

Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

1 files changed, 17 insertions, 0 deletions

diff --git a/include/net/bluetooth/smp.h b/include/net/bluetooth/smp.h
index 36bdd6eb6aa7..111853ab239a 100644
--- a/include/net/bluetooth/smp.h
+++ b/include/net/bluetooth/smp.h
@@ -38,6 +38,23 @@ struct smp_cmd_pairing {
         __u8    resp_key_dist;
 } __packed;
 
+#define SMP_IO_DISPLAY_ONLY     0x00
+#define SMP_IO_DISPLAY_YESNO    0x01
+#define SMP_IO_KEYBOARD_ONLY    0x02
+#define SMP_IO_NO_INPUT_OUTPUT  0x03
+#define SMP_IO_KEYBOARD_DISPLAY 0x04
+
+#define SMP_OOB_NOT_PRESENT     0x00
+#define SMP_OOB_PRESENT         0x01
+
+#define SMP_DIST_ENC_KEY        0x01
+#define SMP_DIST_ID_KEY         0x02
+#define SMP_DIST_SIGN           0x04
+
+#define SMP_AUTH_NONE           0x00
+#define SMP_AUTH_BONDING        0x01
+#define SMP_AUTH_MITM           0x04
+
 #define SMP_CMD_PAIRING_CONFIRM 0x03
 struct smp_cmd_pairing_confirm {
         __u8    confirm_val[16];