1 files changed, 12 insertions, 0 deletions

diff --git a/include/uapi/linux/usb/cdc.h b/include/uapi/linux/usb/cdc.h
index f35aa0a338c7..b6a9cdd6e096 100644
--- a/include/uapi/linux/usb/cdc.h
+++ b/include/uapi/linux/usb/cdc.h
@@ -56,6 +56,7 @@
 #define USB_CDC_OBEX_TYPE               0x15
 #define USB_CDC_NCM_TYPE                0x1a
 #define USB_CDC_MBIM_TYPE               0x1b
+#define USB_CDC_MBIM_EXTENDED_TYPE      0x1c
 
 /* "Header Functional Descriptor" from CDC spec  5.2.3.1 */
 struct usb_cdc_header_desc {
@@ -205,6 +206,17 @@ struct usb_cdc_mbim_desc {
         __u8    bmNetworkCapabilities;
 } __attribute__ ((packed));
 
+/* "MBIM Extended Functional Descriptor" from CDC MBIM spec 1.0 errata-1 */
+struct usb_cdc_mbim_extended_desc {
+        __u8    bLength;
+        __u8    bDescriptorType;
+        __u8    bDescriptorSubType;
+
+        __le16  bcdMBIMExtendedVersion;
+        __u8    bMaxOutstandingCommandMessages;
+        __le16  wMTU;
+} __attribute__ ((packed));
+
 /*-------------------------------------------------------------------------*/
 
 /*