USB: cdc: add MBIM constants and structures

Based on revision 1.0 of "Universal Serial Bus Communications
Class Subclass Specification for Mobile Broadband Interface
Model" available from www.usb.org

Signed-off-by: Greg Suarez <gsuarez@smithmicro.com>
[bmork: added DSS defines]
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 23 insertions, 0 deletions

diff --git a/include/linux/usb/cdc.h b/include/linux/usb/cdc.h
index 81a927930bfd..f35aa0a338c7 100644
--- a/include/linux/usb/cdc.h
+++ b/include/linux/usb/cdc.h
@@ -19,6 +19,7 @@
 #define USB_CDC_SUBCLASS_OBEX                   0x0b
 #define USB_CDC_SUBCLASS_EEM                    0x0c
 #define USB_CDC_SUBCLASS_NCM                    0x0d
+#define USB_CDC_SUBCLASS_MBIM                   0x0e
 
 #define USB_CDC_PROTO_NONE                      0
 
@@ -33,6 +34,7 @@
 #define USB_CDC_PROTO_EEM                       7
 
 #define USB_CDC_NCM_PROTO_NTB                   1
+#define USB_CDC_MBIM_PROTO_NTB                  2
 
 /*-------------------------------------------------------------------------*/
 
@@ -53,6 +55,7 @@
 #define USB_CDC_DMM_TYPE                0x14
 #define USB_CDC_OBEX_TYPE               0x15
 #define USB_CDC_NCM_TYPE                0x1a
+#define USB_CDC_MBIM_TYPE               0x1b
 
 /* "Header Functional Descriptor" from CDC spec  5.2.3.1 */
 struct usb_cdc_header_desc {
@@ -187,6 +190,21 @@ struct usb_cdc_ncm_desc {
         __le16  bcdNcmVersion;
         __u8    bmNetworkCapabilities;
 } __attribute__ ((packed));
+
+/* "MBIM Control Model Functional Descriptor" */
+struct usb_cdc_mbim_desc {
+        __u8    bLength;
+        __u8    bDescriptorType;
+        __u8    bDescriptorSubType;
+
+        __le16  bcdMBIMVersion;
+        __le16  wMaxControlMessage;
+        __u8    bNumberFilters;
+        __u8    bMaxFilterSize;
+        __le16  wMaxSegmentSize;
+        __u8    bmNetworkCapabilities;
+} __attribute__ ((packed));
+
 /*-------------------------------------------------------------------------*/
 
 /*
@@ -332,6 +350,11 @@ struct usb_cdc_ncm_nth32 {
 #define USB_CDC_NCM_NDP32_CRC_SIGN      0x316D636E /* ncm1 */
 #define USB_CDC_NCM_NDP32_NOCRC_SIGN    0x306D636E /* ncm0 */
 
+#define USB_CDC_MBIM_NDP16_IPS_SIGN     0x00535049 /* IPS<sessionID> : IPS0 for now */
+#define USB_CDC_MBIM_NDP32_IPS_SIGN     0x00737069 /* ips<sessionID> : ips0 for now */
+#define USB_CDC_MBIM_NDP16_DSS_SIGN     0x00535344 /* DSS<sessionID> */
+#define USB_CDC_MBIM_NDP32_DSS_SIGN     0x00737364 /* dss<sessionID> */
+
 /* 16-bit NCM Datagram Pointer Entry */
 struct usb_cdc_ncm_dpe16 {
         __le16  wDatagramIndex;