| /* |
| * USB Communications Device Class (CDC) definitions |
| * |
| * CDC says how to talk to lots of different types of network adapters, |
| * notably ethernet adapters and various modems. It's used mostly with |
| * firmware based USB peripherals. |
| */ |
| |
| #ifndef __LINUX_USB_CDC_H |
| #define __LINUX_USB_CDC_H |
| |
| #include <linux/types.h> |
| |
| #define USB_CDC_SUBCLASS_ACM 0x02 |
| #define USB_CDC_SUBCLASS_ETHERNET 0x06 |
| #define USB_CDC_SUBCLASS_WHCM 0x08 |
| #define USB_CDC_SUBCLASS_DMM 0x09 |
| #define USB_CDC_SUBCLASS_MDLM 0x0a |
| #define USB_CDC_SUBCLASS_OBEX 0x0b |
| #define USB_CDC_SUBCLASS_EEM 0x0c |
| #define USB_CDC_SUBCLASS_NCM 0x0d |
| |
| #define USB_CDC_PROTO_NONE 0 |
| |
| #define USB_CDC_ACM_PROTO_AT_V25TER 1 |
| #define USB_CDC_ACM_PROTO_AT_PCCA101 2 |
| #define USB_CDC_ACM_PROTO_AT_PCCA101_WAKE 3 |
| #define USB_CDC_ACM_PROTO_AT_GSM 4 |
| #define USB_CDC_ACM_PROTO_AT_3G 5 |
| #define USB_CDC_ACM_PROTO_AT_CDMA 6 |
| #define USB_CDC_ACM_PROTO_VENDOR 0xff |
| |
| #define USB_CDC_PROTO_EEM 7 |
| |
| #define USB_CDC_NCM_PROTO_NTB 1 |
| |
| /*-------------------------------------------------------------------------*/ |
| |
| /* |
| * Class-Specific descriptors ... there are a couple dozen of them |
| */ |
| |
| #define USB_CDC_HEADER_TYPE 0x00 /* header_desc */ |
| #define USB_CDC_CALL_MANAGEMENT_TYPE 0x01 /* call_mgmt_descriptor */ |
| #define USB_CDC_ACM_TYPE 0x02 /* acm_descriptor */ |
| #define USB_CDC_UNION_TYPE 0x06 /* union_desc */ |
| #define USB_CDC_COUNTRY_TYPE 0x07 |
| #define USB_CDC_NETWORK_TERMINAL_TYPE 0x0a /* network_terminal_desc */ |
| #define USB_CDC_ETHERNET_TYPE 0x0f /* ether_desc */ |
| #define USB_CDC_WHCM_TYPE 0x11 |
| #define USB_CDC_MDLM_TYPE 0x12 /* mdlm_desc */ |
| #define USB_CDC_MDLM_DETAIL_TYPE 0x13 /* mdlm_detail_desc */ |
| #define USB_CDC_DMM_TYPE 0x14 |
| #define USB_CDC_OBEX_TYPE 0x15 |
| #define USB_CDC_NCM_TYPE 0x1a |
| |
| /* "Header Functional Descriptor" from CDC spec 5.2.3.1 */ |
| struct usb_cdc_header_desc { |
| __u8 bLength; |
| __u8 bDescriptorType; |
| __u8 bDescriptorSubType; |
| |
| __le16 bcdCDC; |
| } __attribute__ ((packed)); |
| |
| /* "Call Management Descriptor" from CDC spec 5.2.3.2 */ |
| struct usb_cdc_call_mgmt_descriptor { |
| __u8 bLength; |
| __u8 bDescriptorType; |
| __u8 bDescriptorSubType; |
| |
| __u8 bmCapabilities; |
| #define USB_CDC_CALL_MGMT_CAP_CALL_MGMT 0x01 |
| #define USB_CDC_CALL_MGMT_CAP_DATA_INTF 0x02 |
| |
| __u8 bDataInterface; |
| } __attribute__ ((packed)); |
| |
| /* "Abstract Control Management Descriptor" from CDC spec 5.2.3.3 */ |
| struct usb_cdc_acm_descriptor { |
| __u8 bLength; |
| __u8 bDescriptorType; |
| __u8 bDescriptorSubType; |
| |
| __u8 bmCapabilities; |
| } __attribute__ ((packed)); |
| |
| /* capabilities from 5.2.3.3 */ |
| |
| #define USB_CDC_COMM_FEATURE 0x01 |
| #define USB_CDC_CAP_LINE 0x02 |
| #define USB_CDC_CAP_BRK 0x04 |
| #define USB_CDC_CAP_NOTIFY 0x08 |
| |
| /* "Union Functional Descriptor" from CDC spec 5.2.3.8 */ |
| struct usb_cdc_union_desc { |
| __u8 bLength; |
| __u8 bDescriptorType; |
| __u8 bDescriptorSubType; |
| |
| __u8 bMasterInterface0; |
| __u8 bSlaveInterface0; |
| /* ... and there could be other slave interfaces */ |
| } __attribute__ ((packed)); |
| |
| /* "Country Selection Functional Descriptor" from CDC spec 5.2.3.9 */ |
| struct usb_cdc_country_functional_desc { |
| __u8 bLength; |
| __u8 bDescriptorType; |
| __u8 bDescriptorSubType; |
| |
| __u8 iCountryCodeRelDate; |
| __le16 wCountyCode0; |
| /* ... and there can be a lot of country codes */ |
| } __attribute__ ((packed)); |
| |
| /* "Network Channel Terminal Functional Descriptor" from CDC spec 5.2.3.11 */ |
| struct usb_cdc_network_terminal_desc { |
| __u8 bLength; |
| __u8 bDescriptorType; |
| __u8 bDescriptorSubType; |
| |
| __u8 bEntityId; |
| __u8 iName; |
| __u8 bChannelIndex; |
| __u8 bPhysicalInterface; |
| } __attribute__ ((packed)); |
| |
| /* "Ethernet Networking Functional Descriptor" from CDC spec 5.2.3.16 */ |
| struct usb_cdc_ether_desc { |
| __u8 bLength; |
| __u8 bDescriptorType; |
| __u8 bDescriptorSubType; |
| |
| __u8 iMACAddress; |
| __le32 bmEthernetStatistics; |
| __le16 wMaxSegmentSize; |
| __le16 wNumberMCFilters; |
| __u8 bNumberPowerFilters; |
| } __attribute__ ((packed)); |
| |
| /* "Telephone Control Model Functional Descriptor" from CDC WMC spec 6.3..3 */ |
| struct usb_cdc_dmm_desc { |
| __u8 bFunctionLength; |
| __u8 bDescriptorType; |
| __u8 bDescriptorSubtype; |
| __u16 bcdVersion; |
| __le16 wMaxCommand; |
| } __attribute__ ((packed)); |
| |
| /* "MDLM Functional Descriptor" from CDC WMC spec 6.7.2.3 */ |
| struct usb_cdc_mdlm_desc { |
| __u8 bLength; |
| __u8 bDescriptorType; |
| __u8 bDescriptorSubType; |
| |
| __le16 bcdVersion; |
| __u8 bGUID[16]; |
| } __attribute__ ((packed)); |
| |
| /* "MDLM Detail Functional Descriptor" from CDC WMC spec 6.7.2.4 */ |
| struct usb_cdc_mdlm_detail_desc { |
| __u8 bLength; |
| __u8 bDescriptorType; |
| __u8 bDescriptorSubType; |
| |
| /* type is associated with mdlm_desc.bGUID */ |
| __u8 bGuidDescriptorType; |
| __u8 bDetailData[0]; |
| } __attribute__ ((packed)); |
| |
| /* "OBEX Control Model Functional Descriptor" */ |
| struct usb_cdc_obex_desc { |
| __u8 bLength; |
| __u8 bDescriptorType; |
| __u8 bDescriptorSubType; |
| |
| __le16 bcdVersion; |
| } __attribute__ ((packed)); |
| |
| /* "NCM Control Model Functional Descriptor" */ |
| struct usb_cdc_ncm_desc { |
| __u8 bLength; |
| __u8 bDescriptorType; |
| __u8 bDescriptorSubType; |
| |
| __le16 bcdNcmVersion; |
| __u8 bmNetworkCapabilities; |
| } __attribute__ ((packed)); |
| /*-------------------------------------------------------------------------*/ |
| |
| /* |
| * Class-Specific Control Requests (6.2) |
| * |
| * section 3.6.2.1 table 4 has the ACM profile, for modems. |
| * section 3.8.2 table 10 has the ethernet profile. |
| * |
| * Microsoft's RNDIS stack for Ethernet is a vendor-specific CDC ACM variant, |
| * heavily dependent on the encapsulated (proprietary) command mechanism. |
| */ |
| |
| #define USB_CDC_SEND_ENCAPSULATED_COMMAND 0x00 |
| #define USB_CDC_GET_ENCAPSULATED_RESPONSE 0x01 |
| #define USB_CDC_REQ_SET_LINE_CODING 0x20 |
| #define USB_CDC_REQ_GET_LINE_CODING 0x21 |
| #define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22 |
| #define USB_CDC_REQ_SEND_BREAK 0x23 |
| #define USB_CDC_SET_ETHERNET_MULTICAST_FILTERS 0x40 |
| #define USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER 0x41 |
| #define USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER 0x42 |
| #define USB_CDC_SET_ETHERNET_PACKET_FILTER 0x43 |
| #define USB_CDC_GET_ETHERNET_STATISTIC 0x44 |
| #define USB_CDC_GET_NTB_PARAMETERS 0x80 |
| #define USB_CDC_GET_NET_ADDRESS 0x81 |
| #define USB_CDC_SET_NET_ADDRESS 0x82 |
| #define USB_CDC_GET_NTB_FORMAT 0x83 |
| #define USB_CDC_SET_NTB_FORMAT 0x84 |
| #define USB_CDC_GET_NTB_INPUT_SIZE 0x85 |
| #define USB_CDC_SET_NTB_INPUT_SIZE 0x86 |
| #define USB_CDC_GET_MAX_DATAGRAM_SIZE 0x87 |
| #define USB_CDC_SET_MAX_DATAGRAM_SIZE 0x88 |
| #define USB_CDC_GET_CRC_MODE 0x89 |
| #define USB_CDC_SET_CRC_MODE 0x8a |
| |
| /* Line Coding Structure from CDC spec 6.2.13 */ |
| struct usb_cdc_line_coding { |
| __le32 dwDTERate; |
| __u8 bCharFormat; |
| #define USB_CDC_1_STOP_BITS 0 |
| #define USB_CDC_1_5_STOP_BITS 1 |
| #define USB_CDC_2_STOP_BITS 2 |
| |
| __u8 bParityType; |
| #define USB_CDC_NO_PARITY 0 |
| #define USB_CDC_ODD_PARITY 1 |
| #define USB_CDC_EVEN_PARITY 2 |
| #define USB_CDC_MARK_PARITY 3 |
| #define USB_CDC_SPACE_PARITY 4 |
| |
| __u8 bDataBits; |
| } __attribute__ ((packed)); |
| |
| /* table 62; bits in multicast filter */ |
| #define USB_CDC_PACKET_TYPE_PROMISCUOUS (1 << 0) |
| #define USB_CDC_PACKET_TYPE_ALL_MULTICAST (1 << 1) /* no filter */ |
| #define USB_CDC_PACKET_TYPE_DIRECTED (1 << 2) |
| #define USB_CDC_PACKET_TYPE_BROADCAST (1 << 3) |
| #define USB_CDC_PACKET_TYPE_MULTICAST (1 << 4) /* filtered */ |
| |
| |
| /*-------------------------------------------------------------------------*/ |
| |
| /* |
| * Class-Specific Notifications (6.3) sent by interrupt transfers |
| * |
| * section 3.8.2 table 11 of the CDC spec lists Ethernet notifications |
| * section 3.6.2.1 table 5 specifies ACM notifications, accepted by RNDIS |
| * RNDIS also defines its own bit-incompatible notifications |
| */ |
| |
| #define USB_CDC_NOTIFY_NETWORK_CONNECTION 0x00 |
| #define USB_CDC_NOTIFY_RESPONSE_AVAILABLE 0x01 |
| #define USB_CDC_NOTIFY_SERIAL_STATE 0x20 |
| #define USB_CDC_NOTIFY_SPEED_CHANGE 0x2a |
| |
| struct usb_cdc_notification { |
| __u8 bmRequestType; |
| __u8 bNotificationType; |
| __le16 wValue; |
| __le16 wIndex; |
| __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 NTB parameters structure, CDC NCM subclass 6.2.1 |
| * |
| */ |
| |
| struct usb_cdc_ncm_ntb_parameters { |
| __le16 wLength; |
| __le16 bmNtbFormatsSupported; |
| __le32 dwNtbInMaxSize; |
| __le16 wNdpInDivisor; |
| __le16 wNdpInPayloadRemainder; |
| __le16 wNdpInAlignment; |
| __le16 wPadding1; |
| __le32 dwNtbOutMaxSize; |
| __le16 wNdpOutDivisor; |
| __le16 wNdpOutPayloadRemainder; |
| __le16 wNdpOutAlignment; |
| __le16 wNtbOutMaxDatagrams; |
| } __attribute__ ((packed)); |
| |
| /* |
| * CDC NCM transfer headers, CDC NCM subclass 3.2 |
| */ |
| |
| #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 wNdpIndex; |
| } __attribute__ ((packed)); |
| |
| struct usb_cdc_ncm_nth32 { |
| __le32 dwSignature; |
| __le16 wHeaderLength; |
| __le16 wSequence; |
| __le32 dwBlockLength; |
| __le32 dwNdpIndex; |
| } __attribute__ ((packed)); |
| |
| /* |
| * CDC NCM datagram pointers, CDC NCM subclass 3.3 |
| */ |
| |
| #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 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 dwNextNdpIndex; |
| __le32 dwReserved12; |
| 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 */ |