Bluetooth: Add new structures for supporting SM key distribution

We need these changes because SMP keys may have more information
associated with them, for example, in the LTK case, it has an
encrypted diversifier (ediv) and a random number (rand).

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

3 files changed, 22 insertions, 0 deletions

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 5004e36d0a66..be30aabe7b88 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -259,6 +259,10 @@ enum {
 #define HCI_LK_UNAUTH_COMBINATION       0x04
 #define HCI_LK_AUTH_COMBINATION         0x05
 #define HCI_LK_CHANGED_COMBINATION      0x06
+/* The spec doesn't define types for SMP keys */
+#define HCI_LK_SMP_LTK                  0x81
+#define HCI_LK_SMP_IRK                  0x82
+#define HCI_LK_SMP_CSRK                 0x83
 
 /* -----  HCI Commands ---- */
 #define HCI_OP_NOP                      0x0000
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index bb57bcadf484..0e1fd2b29b0a 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -74,12 +74,28 @@ struct bt_uuid {
         u8 svc_hint;
 };
 
+struct key_master_id {
+        __le16 ediv;
+        u8 rand[8];
+} __packed;
+
+struct link_key_data {
+        bdaddr_t bdaddr;
+        u8 type;
+        u8 val[16];
+        u8 pin_len;
+        u8 dlen;
+        u8 data[0];
+} __packed;
+
 struct link_key {
         struct list_head list;
         bdaddr_t bdaddr;
         u8 type;
         u8 val[16];
         u8 pin_len;
+        u8 dlen;
+        u8 data[0];
 };
 
 struct oob_data {
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index 45bea25d737f..5428fd32ccec 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -101,6 +101,8 @@ struct mgmt_key_info {
         u8 type;
         u8 val[16];
         u8 pin_len;
+        u8 dlen;
+        u8 data[0];
 } __packed;
 
 #define MGMT_OP_LOAD_KEYS               0x000D