+/*-------------------------------------------------------------------------*/
+
+/*
+ * Class Specific structures and constants
+ *
+ * CDC NCM parameter structure, CDC NCM subclass 6.2.1
+ *
+ */
+
+struct usb_cdc_ncm_ntb_parameter {
+ __le16 wLength;
+ __le16 bmNtbFormatSupported;
+ __le32 dwNtbInMaxSize;
+ __le16 wNdpInDivisor;
+ __le16 wNdpInPayloadRemainder;
+ __le16 wNdpInAlignment;
+ __le16 wPadding1;
+ __le32 dwNtbOutMaxSize;
+ __le16 wNdpOutDivisor;
+ __le16 wNdpOutPayloadRemainder;
+ __le16 wNdpOutAlignment;
+ __le16 wPadding2;
+} __attribute__ ((packed));
+
+/*
+ * CDC NCM transfer headers, CDC NCM subclass 3.2
+ */
+
+#define NCM_NTH16_SIGN 0x484D434E /* NCMH */
+#define NCM_NTH32_SIGN 0x686D636E /* ncmh */
+
+struct usb_cdc_ncm_nth16 {
+ __le32 dwSignature;
+ __le16 wHeaderLength;
+ __le16 wSequence;
+ __le16 wBlockLength;
+ __le16 wFpIndex;
+} __attribute__ ((packed));
+
+struct usb_cdc_ncm_nth32 {
+ __le32 dwSignature;
+ __le16 wHeaderLength;
+ __le16 wSequence;
+ __le32 dwBlockLength;
+ __le32 dwFpIndex;
+} __attribute__ ((packed));
+
+/*
+ * CDC NCM datagram pointers, CDC NCM subclass 3.3
+ */
+
+#define NCM_NDP16_CRC_SIGN 0x314D434E /* NCM1 */
+#define NCM_NDP16_NOCRC_SIGN 0x304D434E /* NCM0 */
+#define NCM_NDP32_CRC_SIGN 0x316D636E /* ncm1 */
+#define NCM_NDP32_NOCRC_SIGN 0x306D636E /* ncm0 */
+
+struct usb_cdc_ncm_ndp16 {
+ __le32 dwSignature;
+ __le16 wLength;
+ __le16 wNextFpIndex;
+ __u8 data[0];
+} __attribute__ ((packed));
+
+struct usb_cdc_ncm_ndp32 {
+ __le32 dwSignature;
+ __le16 wLength;
+ __le16 wReserved6;
+ __le32 dwNextFpIndex;
+ __le32 dwReserved12;
+ __u8 data[0];
+} __attribute__ ((packed));
+