1 files changed, 17 insertions, 0 deletions

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 7f5ad8a2b22d..3163330cd4f1 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -623,6 +623,23 @@ encrypt:
 }
 EXPORT_SYMBOL(hci_conn_security);
 
+/* Check secure link requirement */
+int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level)
+{
+        BT_DBG("conn %p", conn);
+
+        if (sec_level != BT_SECURITY_HIGH)
+                return 1; /* Accept if non-secure is required */
+
+        if (conn->key_type == HCI_LK_AUTH_COMBINATION ||
+                        (conn->key_type == HCI_LK_COMBINATION &&
+                        conn->pin_length == 16))
+                return 1;
+
+        return 0; /* Reject not secure link */
+}
+EXPORT_SYMBOL(hci_conn_check_secure);
+
 /* Change link key */
 int hci_conn_change_link_key(struct hci_conn *conn)
 {