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diff --git a/i686-linux-gnu-4.7/usr/include/linux/usb/cdc-wdm.h b/i686-linux-gnu-4.7/usr/include/linux/usb/cdc-wdm.h
new file mode 100644
index 0000000..d1f6f8f
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/usb/cdc-wdm.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * USB CDC Device Management userspace API definitions
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_USB_CDC_WDM_H
+#define __LINUX_USB_CDC_WDM_H
+
+#include <linux/types.h>
+
+/*
+ * This IOCTL is used to retrieve the wMaxCommand for the device,
+ * defining the message limit for both reading and writing.
+ *
+ * For CDC WDM functions this will be the wMaxCommand field of the
+ * Device Management Functional Descriptor.
+ */
+#define IOCTL_WDM_MAX_COMMAND _IOR('H', 0xA0, __u16)
+
+#endif /* __LINUX_USB_CDC_WDM_H */