449 lines
13 KiB
C
449 lines
13 KiB
C
/*
|
|
* 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_SUBCLASS_MBIM 0x0e
|
|
|
|
#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
|
|
#define USB_CDC_MBIM_PROTO_NTB 2
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
/*
|
|
* 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
|
|
#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 {
|
|
__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));
|
|
|
|
/* "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));
|
|
|
|
/* "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));
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
/*
|
|
* 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_RESET_FUNCTION 0x05
|
|
#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 */
|
|
|
|
#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;
|
|
__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 */
|