diff options
Diffstat (limited to 'include/linux/usb/cdc.h')
| -rw-r--r-- | include/linux/usb/cdc.h | 102 |
1 files changed, 85 insertions, 17 deletions
diff --git a/include/linux/usb/cdc.h b/include/linux/usb/cdc.h index c117a68d04a7..81a927930bfd 100644 --- a/include/linux/usb/cdc.h +++ b/include/linux/usb/cdc.h @@ -32,6 +32,8 @@ #define USB_CDC_PROTO_EEM 7 +#define USB_CDC_NCM_PROTO_NTB 1 + /*-------------------------------------------------------------------------*/ /* @@ -87,7 +89,7 @@ struct usb_cdc_acm_descriptor { #define USB_CDC_COMM_FEATURE 0x01 #define USB_CDC_CAP_LINE 0x02 -#define USB_CDC_CAP_BRK 0x04 +#define USB_CDC_CAP_BRK 0x04 #define USB_CDC_CAP_NOTIFY 0x08 /* "Union Functional Descriptor" from CDC spec 5.2.3.8 */ @@ -269,18 +271,23 @@ struct usb_cdc_notification { __le16 wLength; } __attribute__ ((packed)); +struct usb_cdc_speed_change { + __le32 DLBitRRate; /* contains the downlink bit rate (IN pipe) */ + __le32 ULBitRate; /* contains the uplink bit rate (OUT pipe) */ +} __attribute__ ((packed)); + /*-------------------------------------------------------------------------*/ /* * Class Specific structures and constants * - * CDC NCM parameter structure, CDC NCM subclass 6.2.1 + * CDC NCM NTB parameters structure, CDC NCM subclass 6.2.1 * */ -struct usb_cdc_ncm_ntb_parameter { +struct usb_cdc_ncm_ntb_parameters { __le16 wLength; - __le16 bmNtbFormatSupported; + __le16 bmNtbFormatsSupported; __le32 dwNtbInMaxSize; __le16 wNdpInDivisor; __le16 wNdpInPayloadRemainder; @@ -290,22 +297,22 @@ struct usb_cdc_ncm_ntb_parameter { __le16 wNdpOutDivisor; __le16 wNdpOutPayloadRemainder; __le16 wNdpOutAlignment; - __le16 wPadding2; + __le16 wNtbOutMaxDatagrams; } __attribute__ ((packed)); /* * CDC NCM transfer headers, CDC NCM subclass 3.2 */ -#define NCM_NTH16_SIGN 0x484D434E /* NCMH */ -#define NCM_NTH32_SIGN 0x686D636E /* ncmh */ +#define USB_CDC_NCM_NTH16_SIGN 0x484D434E /* NCMH */ +#define USB_CDC_NCM_NTH32_SIGN 0x686D636E /* ncmh */ struct usb_cdc_ncm_nth16 { __le32 dwSignature; __le16 wHeaderLength; __le16 wSequence; __le16 wBlockLength; - __le16 wFpIndex; + __le16 wNdpIndex; } __attribute__ ((packed)); struct usb_cdc_ncm_nth32 { @@ -313,32 +320,93 @@ struct usb_cdc_ncm_nth32 { __le16 wHeaderLength; __le16 wSequence; __le32 dwBlockLength; - __le32 dwFpIndex; + __le32 dwNdpIndex; } __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 */ +#define USB_CDC_NCM_NDP16_CRC_SIGN 0x314D434E /* NCM1 */ +#define USB_CDC_NCM_NDP16_NOCRC_SIGN 0x304D434E /* NCM0 */ +#define USB_CDC_NCM_NDP32_CRC_SIGN 0x316D636E /* ncm1 */ +#define USB_CDC_NCM_NDP32_NOCRC_SIGN 0x306D636E /* ncm0 */ +/* 16-bit NCM Datagram Pointer Entry */ +struct usb_cdc_ncm_dpe16 { + __le16 wDatagramIndex; + __le16 wDatagramLength; +} __attribute__((__packed__)); + +/* 16-bit NCM Datagram Pointer Table */ struct usb_cdc_ncm_ndp16 { __le32 dwSignature; __le16 wLength; - __le16 wNextFpIndex; - __u8 data[0]; + __le16 wNextNdpIndex; + struct usb_cdc_ncm_dpe16 dpe16[0]; } __attribute__ ((packed)); +/* 32-bit NCM Datagram Pointer Entry */ +struct usb_cdc_ncm_dpe32 { + __le32 dwDatagramIndex; + __le32 dwDatagramLength; +} __attribute__((__packed__)); + +/* 32-bit NCM Datagram Pointer Table */ struct usb_cdc_ncm_ndp32 { __le32 dwSignature; __le16 wLength; __le16 wReserved6; - __le32 dwNextFpIndex; + __le32 dwNextNdpIndex; __le32 dwReserved12; - __u8 data[0]; + struct usb_cdc_ncm_dpe32 dpe32[0]; } __attribute__ ((packed)); +/* CDC NCM subclass 3.2.1 and 3.2.2 */ +#define USB_CDC_NCM_NDP16_INDEX_MIN 0x000C +#define USB_CDC_NCM_NDP32_INDEX_MIN 0x0010 + +/* CDC NCM subclass 3.3.3 Datagram Formatting */ +#define USB_CDC_NCM_DATAGRAM_FORMAT_CRC 0x30 +#define USB_CDC_NCM_DATAGRAM_FORMAT_NOCRC 0X31 + +/* CDC NCM subclass 4.2 NCM Communications Interface Protocol Code */ +#define USB_CDC_NCM_PROTO_CODE_NO_ENCAP_COMMANDS 0x00 +#define USB_CDC_NCM_PROTO_CODE_EXTERN_PROTO 0xFE + +/* CDC NCM subclass 5.2.1 NCM Functional Descriptor, bmNetworkCapabilities */ +#define USB_CDC_NCM_NCAP_ETH_FILTER (1 << 0) +#define USB_CDC_NCM_NCAP_NET_ADDRESS (1 << 1) +#define USB_CDC_NCM_NCAP_ENCAP_COMMAND (1 << 2) +#define USB_CDC_NCM_NCAP_MAX_DATAGRAM_SIZE (1 << 3) +#define USB_CDC_NCM_NCAP_CRC_MODE (1 << 4) +#define USB_CDC_NCM_NCAP_NTB_INPUT_SIZE (1 << 5) + +/* CDC NCM subclass Table 6-3: NTB Parameter Structure */ +#define USB_CDC_NCM_NTB16_SUPPORTED (1 << 0) +#define USB_CDC_NCM_NTB32_SUPPORTED (1 << 1) + +/* CDC NCM subclass Table 6-3: NTB Parameter Structure */ +#define USB_CDC_NCM_NDP_ALIGN_MIN_SIZE 0x04 +#define USB_CDC_NCM_NTB_MAX_LENGTH 0x1C + +/* CDC NCM subclass 6.2.5 SetNtbFormat */ +#define USB_CDC_NCM_NTB16_FORMAT 0x00 +#define USB_CDC_NCM_NTB32_FORMAT 0x01 + +/* CDC NCM subclass 6.2.7 SetNtbInputSize */ +#define USB_CDC_NCM_NTB_MIN_IN_SIZE 2048 +#define USB_CDC_NCM_NTB_MIN_OUT_SIZE 2048 + +/* NTB Input Size Structure */ +struct usb_cdc_ncm_ndp_input_size { + __le32 dwNtbInMaxSize; + __le16 wNtbInMaxDatagrams; + __le16 wReserved; +} __attribute__ ((packed)); + +/* CDC NCM subclass 6.2.11 SetCrcMode */ +#define USB_CDC_NCM_CRC_NOT_APPENDED 0x00 +#define USB_CDC_NCM_CRC_APPENDED 0x01 + #endif /* __LINUX_USB_CDC_H */ |