diff --git a/mingw-w64-headers/include/l2cmn.h b/mingw-w64-headers/include/l2cmn.h
new file mode 100644
index 0000000..8157df9
--- /dev/null
+++ b/mingw-w64-headers/include/l2cmn.h
@@ -0,0 +1,20 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the mingw-w64 runtime package.
+ * No warranty is given; refer to the file DISCLAIMER.PD within this package.
+ */
+
+#ifndef _L2CMN_H
+#define _L2CMN_H
+
+#define L2_NOTIFICATION_SOURCE_NONE             0
+#define L2_NOTIFICATION_SOURCE_DOT3_AUTO_CONFIG 0x00000001
+#define L2_NOTIFICATION_SOURCE_SECURITY         0x00000002
+#define L2_NOTIFICATION_SOURCE_ONEX             0x00000004
+#define L2_NOTIFICATION_SOURCE_WLAN_ACM         0x00000008
+#define L2_NOTIFICATION_SOURCE_WLAN_MSM         0x00000010
+#define L2_NOTIFICATION_SOURCE_WLAN_SECURITY    0x00000020
+#define L2_NOTIFICATION_SOURCE_WLAN_IHV         0x00000040
+#define L2_NOTIFICATION_SOURCE_WLAN_HNWK        0x00000080
+
+#endif /* _L2CMN_H */