[linux.git] / include / linux / usb / cdc.h

/*
 * 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 */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* USB Communications Device Class (CDC) definitions
	3	*
	4	* CDC says how to talk to lots of different types of network adapters,
	5	* notably ethernet adapters and various modems. It's used mostly with
	6	* firmware based USB peripherals.
	7	*/
	8
dda43a0e RD	9	#ifndef __LINUX_USB_CDC_H
	10	#define __LINUX_USB_CDC_H
	11
d8151585 JSR	12	#include <linux/types.h>
d8151585 JSR	13
1da177e4 LT	14	#define USB_CDC_SUBCLASS_ACM 0x02
	15	#define USB_CDC_SUBCLASS_ETHERNET 0x06
	16	#define USB_CDC_SUBCLASS_WHCM 0x08
	17	#define USB_CDC_SUBCLASS_DMM 0x09
	18	#define USB_CDC_SUBCLASS_MDLM 0x0a
	19	#define USB_CDC_SUBCLASS_OBEX 0x0b
9f722c09	20	#define USB_CDC_SUBCLASS_EEM 0x0c
01154aa7	21	#define USB_CDC_SUBCLASS_NCM 0x0d
1da177e4 LT	22
	23	#define USB_CDC_PROTO_NONE 0
	24
	25	#define USB_CDC_ACM_PROTO_AT_V25TER 1
	26	#define USB_CDC_ACM_PROTO_AT_PCCA101 2
	27	#define USB_CDC_ACM_PROTO_AT_PCCA101_WAKE 3
	28	#define USB_CDC_ACM_PROTO_AT_GSM 4
	29	#define USB_CDC_ACM_PROTO_AT_3G 5
	30	#define USB_CDC_ACM_PROTO_AT_CDMA 6
	31	#define USB_CDC_ACM_PROTO_VENDOR 0xff
	32
9f722c09 OL	33	#define USB_CDC_PROTO_EEM 7
9f722c09 OL	34
e5dcd531 YK	35	#define USB_CDC_NCM_PROTO_NTB 1
e5dcd531 YK	36
1da177e4 LT	37	/-------------------------------------------------------------------------/
	38
	39	/*
	40	* Class-Specific descriptors ... there are a couple dozen of them
	41	*/
	42
41dceed5 GKH	43	#define USB_CDC_HEADER_TYPE 0x00 /* header_desc */
	44	#define USB_CDC_CALL_MANAGEMENT_TYPE 0x01 /* call_mgmt_descriptor */
	45	#define USB_CDC_ACM_TYPE 0x02 /* acm_descriptor */
	46	#define USB_CDC_UNION_TYPE 0x06 /* union_desc */
1da177e4	47	#define USB_CDC_COUNTRY_TYPE 0x07
41dceed5 GKH	48	#define USB_CDC_NETWORK_TERMINAL_TYPE 0x0a /* network_terminal_desc */
41dceed5 GKH	49	#define USB_CDC_ETHERNET_TYPE 0x0f /* ether_desc */
1da177e4	50	#define USB_CDC_WHCM_TYPE 0x11
41dceed5 GKH	51	#define USB_CDC_MDLM_TYPE 0x12 /* mdlm_desc */
41dceed5 GKH	52	#define USB_CDC_MDLM_DETAIL_TYPE 0x13 /* mdlm_detail_desc */
1da177e4 LT	53	#define USB_CDC_DMM_TYPE 0x14
1da177e4 LT	54	#define USB_CDC_OBEX_TYPE 0x15
01154aa7	55	#define USB_CDC_NCM_TYPE 0x1a
1da177e4 LT	56
	57	/* "Header Functional Descriptor" from CDC spec 5.2.3.1 */
	58	struct usb_cdc_header_desc {
	59	__u8 bLength;
	60	__u8 bDescriptorType;
	61	__u8 bDescriptorSubType;
	62
	63	__le16 bcdCDC;
	64	} __attribute__ ((packed));
	65
	66	/* "Call Management Descriptor" from CDC spec 5.2.3.2 */
	67	struct usb_cdc_call_mgmt_descriptor {
	68	__u8 bLength;
	69	__u8 bDescriptorType;
	70	__u8 bDescriptorSubType;
	71
	72	__u8 bmCapabilities;
	73	#define USB_CDC_CALL_MGMT_CAP_CALL_MGMT 0x01
	74	#define USB_CDC_CALL_MGMT_CAP_DATA_INTF 0x02
	75
	76	__u8 bDataInterface;
	77	} __attribute__ ((packed));
	78
	79	/* "Abstract Control Management Descriptor" from CDC spec 5.2.3.3 */
	80	struct usb_cdc_acm_descriptor {
	81	__u8 bLength;
	82	__u8 bDescriptorType;
	83	__u8 bDescriptorSubType;
	84
	85	__u8 bmCapabilities;
	86	} __attribute__ ((packed));
	87
ca79b7b4 ON	88	/* capabilities from 5.2.3.3 */
	89
	90	#define USB_CDC_COMM_FEATURE 0x01
	91	#define USB_CDC_CAP_LINE 0x02
3a9dda76	92	#define USB_CDC_CAP_BRK 0x04
ca79b7b4 ON	93	#define USB_CDC_CAP_NOTIFY 0x08
ca79b7b4 ON	94
1da177e4 LT	95	/* "Union Functional Descriptor" from CDC spec 5.2.3.8 */
	96	struct usb_cdc_union_desc {
	97	__u8 bLength;
	98	__u8 bDescriptorType;
	99	__u8 bDescriptorSubType;
	100
	101	__u8 bMasterInterface0;
	102	__u8 bSlaveInterface0;
	103	/* ... and there could be other slave interfaces */
	104	} __attribute__ ((packed));
	105
bb74782e ON	106	/* "Country Selection Functional Descriptor" from CDC spec 5.2.3.9 */
	107	struct usb_cdc_country_functional_desc {
	108	__u8 bLength;
	109	__u8 bDescriptorType;
	110	__u8 bDescriptorSubType;
	111
	112	__u8 iCountryCodeRelDate;
	113	__le16 wCountyCode0;
	114	/* ... and there can be a lot of country codes */
	115	} __attribute__ ((packed));
	116
00ab997d DB	117	/* "Network Channel Terminal Functional Descriptor" from CDC spec 5.2.3.11 */
	118	struct usb_cdc_network_terminal_desc {
	119	__u8 bLength;
	120	__u8 bDescriptorType;
	121	__u8 bDescriptorSubType;
	122
	123	__u8 bEntityId;
	124	__u8 iName;
	125	__u8 bChannelIndex;
	126	__u8 bPhysicalInterface;
	127	} __attribute__ ((packed));
	128
1da177e4 LT	129	/* "Ethernet Networking Functional Descriptor" from CDC spec 5.2.3.16 */
	130	struct usb_cdc_ether_desc {
	131	__u8 bLength;
	132	__u8 bDescriptorType;
	133	__u8 bDescriptorSubType;
	134
	135	__u8 iMACAddress;
	136	__le32 bmEthernetStatistics;
	137	__le16 wMaxSegmentSize;
	138	__le16 wNumberMCFilters;
	139	__u8 bNumberPowerFilters;
	140	} __attribute__ ((packed));
	141
afba937e ON	142	/* "Telephone Control Model Functional Descriptor" from CDC WMC spec 6.3..3 */
	143	struct usb_cdc_dmm_desc {
	144	__u8 bFunctionLength;
	145	__u8 bDescriptorType;
	146	__u8 bDescriptorSubtype;
	147	__u16 bcdVersion;
	148	__le16 wMaxCommand;
	149	} __attribute__ ((packed));
	150
1da177e4 LT	151	/* "MDLM Functional Descriptor" from CDC WMC spec 6.7.2.3 */
	152	struct usb_cdc_mdlm_desc {
	153	__u8 bLength;
	154	__u8 bDescriptorType;
	155	__u8 bDescriptorSubType;
	156
	157	__le16 bcdVersion;
	158	__u8 bGUID[16];
	159	} __attribute__ ((packed));
	160
	161	/* "MDLM Detail Functional Descriptor" from CDC WMC spec 6.7.2.4 */
	162	struct usb_cdc_mdlm_detail_desc {
	163	__u8 bLength;
	164	__u8 bDescriptorType;
	165	__u8 bDescriptorSubType;
	166
	167	/* type is associated with mdlm_desc.bGUID */
	168	__u8 bGuidDescriptorType;
84d79cb8	169	__u8 bDetailData[0];
1da177e4 LT	170	} __attribute__ ((packed));
1da177e4 LT	171
3086775a FB	172	/* "OBEX Control Model Functional Descriptor" */
	173	struct usb_cdc_obex_desc {
	174	__u8 bLength;
	175	__u8 bDescriptorType;
	176	__u8 bDescriptorSubType;
	177
	178	__le16 bcdVersion;
	179	} __attribute__ ((packed));
	180
01154aa7 YK	181	/* "NCM Control Model Functional Descriptor" */
	182	struct usb_cdc_ncm_desc {
	183	__u8 bLength;
	184	__u8 bDescriptorType;
	185	__u8 bDescriptorSubType;
	186
	187	__le16 bcdNcmVersion;
	188	__u8 bmNetworkCapabilities;
	189	} __attribute__ ((packed));
1da177e4 LT	190	/-------------------------------------------------------------------------/
	191
	192	/*
	193	* Class-Specific Control Requests (6.2)
	194	*
	195	* section 3.6.2.1 table 4 has the ACM profile, for modems.
	196	* section 3.8.2 table 10 has the ethernet profile.
	197	*
	198	* Microsoft's RNDIS stack for Ethernet is a vendor-specific CDC ACM variant,
	199	* heavily dependent on the encapsulated (proprietary) command mechanism.
	200	*/
	201
	202	#define USB_CDC_SEND_ENCAPSULATED_COMMAND 0x00
	203	#define USB_CDC_GET_ENCAPSULATED_RESPONSE 0x01
	204	#define USB_CDC_REQ_SET_LINE_CODING 0x20
	205	#define USB_CDC_REQ_GET_LINE_CODING 0x21
	206	#define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22
	207	#define USB_CDC_REQ_SEND_BREAK 0x23
	208	#define USB_CDC_SET_ETHERNET_MULTICAST_FILTERS 0x40
	209	#define USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER 0x41
	210	#define USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER 0x42
	211	#define USB_CDC_SET_ETHERNET_PACKET_FILTER 0x43
	212	#define USB_CDC_GET_ETHERNET_STATISTIC 0x44
01154aa7 YK	213	#define USB_CDC_GET_NTB_PARAMETERS 0x80
	214	#define USB_CDC_GET_NET_ADDRESS 0x81
	215	#define USB_CDC_SET_NET_ADDRESS 0x82
	216	#define USB_CDC_GET_NTB_FORMAT 0x83
	217	#define USB_CDC_SET_NTB_FORMAT 0x84
	218	#define USB_CDC_GET_NTB_INPUT_SIZE 0x85
	219	#define USB_CDC_SET_NTB_INPUT_SIZE 0x86
	220	#define USB_CDC_GET_MAX_DATAGRAM_SIZE 0x87
	221	#define USB_CDC_SET_MAX_DATAGRAM_SIZE 0x88
	222	#define USB_CDC_GET_CRC_MODE 0x89
	223	#define USB_CDC_SET_CRC_MODE 0x8a
1da177e4 LT	224
	225	/* Line Coding Structure from CDC spec 6.2.13 */
	226	struct usb_cdc_line_coding {
	227	__le32 dwDTERate;
	228	__u8 bCharFormat;
	229	#define USB_CDC_1_STOP_BITS 0
	230	#define USB_CDC_1_5_STOP_BITS 1
	231	#define USB_CDC_2_STOP_BITS 2
	232
	233	__u8 bParityType;
	234	#define USB_CDC_NO_PARITY 0
	235	#define USB_CDC_ODD_PARITY 1
	236	#define USB_CDC_EVEN_PARITY 2
	237	#define USB_CDC_MARK_PARITY 3
	238	#define USB_CDC_SPACE_PARITY 4
	239
	240	__u8 bDataBits;
	241	} __attribute__ ((packed));
	242
	243	/* table 62; bits in multicast filter */
	244	#define USB_CDC_PACKET_TYPE_PROMISCUOUS (1 << 0)
	245	#define USB_CDC_PACKET_TYPE_ALL_MULTICAST (1 << 1) /* no filter */
	246	#define USB_CDC_PACKET_TYPE_DIRECTED (1 << 2)
	247	#define USB_CDC_PACKET_TYPE_BROADCAST (1 << 3)
	248	#define USB_CDC_PACKET_TYPE_MULTICAST (1 << 4) /* filtered */
	249
	250
	251	/-------------------------------------------------------------------------/
	252
	253	/*
	254	* Class-Specific Notifications (6.3) sent by interrupt transfers
	255	*
	256	* section 3.8.2 table 11 of the CDC spec lists Ethernet notifications
	257	* section 3.6.2.1 table 5 specifies ACM notifications, accepted by RNDIS
	258	* RNDIS also defines its own bit-incompatible notifications
	259	*/
	260
	261	#define USB_CDC_NOTIFY_NETWORK_CONNECTION 0x00
	262	#define USB_CDC_NOTIFY_RESPONSE_AVAILABLE 0x01
	263	#define USB_CDC_NOTIFY_SERIAL_STATE 0x20
	264	#define USB_CDC_NOTIFY_SPEED_CHANGE 0x2a
	265
	266	struct usb_cdc_notification {
	267	__u8 bmRequestType;
	268	__u8 bNotificationType;
	269	__le16 wValue;
	270	__le16 wIndex;
	271	__le16 wLength;
	272	} __attribute__ ((packed));
	273
3a9dda76 AO	274	struct usb_cdc_speed_change {
	275	__le32 DLBitRRate; /* contains the downlink bit rate (IN pipe) */
	276	__le32 ULBitRate; /* contains the uplink bit rate (OUT pipe) */
	277	} __attribute__ ((packed));
	278
01154aa7 YK	279	/-------------------------------------------------------------------------/
	280
	281	/*
	282	* Class Specific structures and constants
	283	*
1f53c0e9	284	* CDC NCM NTB parameters structure, CDC NCM subclass 6.2.1
01154aa7 YK	285	*
	286	*/
	287
1f53c0e9	288	struct usb_cdc_ncm_ntb_parameters {
01154aa7	289	__le16 wLength;
1f53c0e9	290	__le16 bmNtbFormatsSupported;
01154aa7 YK	291	__le32 dwNtbInMaxSize;
	292	__le16 wNdpInDivisor;
	293	__le16 wNdpInPayloadRemainder;
	294	__le16 wNdpInAlignment;
	295	__le16 wPadding1;
	296	__le32 dwNtbOutMaxSize;
	297	__le16 wNdpOutDivisor;
	298	__le16 wNdpOutPayloadRemainder;
	299	__le16 wNdpOutAlignment;
3a9dda76	300	__le16 wNtbOutMaxDatagrams;
01154aa7 YK	301	} __attribute__ ((packed));
	302
	303	/*
	304	* CDC NCM transfer headers, CDC NCM subclass 3.2
	305	*/
	306
1f53c0e9 YK	307	#define USB_CDC_NCM_NTH16_SIGN 0x484D434E /* NCMH */
1f53c0e9 YK	308	#define USB_CDC_NCM_NTH32_SIGN 0x686D636E /* ncmh */
01154aa7 YK	309
	310	struct usb_cdc_ncm_nth16 {
	311	__le32 dwSignature;
	312	__le16 wHeaderLength;
	313	__le16 wSequence;
	314	__le16 wBlockLength;
3a9dda76	315	__le16 wNdpIndex;
01154aa7 YK	316	} __attribute__ ((packed));
	317
	318	struct usb_cdc_ncm_nth32 {
	319	__le32 dwSignature;
	320	__le16 wHeaderLength;
	321	__le16 wSequence;
	322	__le32 dwBlockLength;
3a9dda76	323	__le32 dwNdpIndex;
01154aa7 YK	324	} __attribute__ ((packed));
	325
	326	/*
	327	* CDC NCM datagram pointers, CDC NCM subclass 3.3
	328	*/
	329
1f53c0e9 YK	330	#define USB_CDC_NCM_NDP16_CRC_SIGN 0x314D434E /* NCM1 */
	331	#define USB_CDC_NCM_NDP16_NOCRC_SIGN 0x304D434E /* NCM0 */
	332	#define USB_CDC_NCM_NDP32_CRC_SIGN 0x316D636E /* ncm1 */
	333	#define USB_CDC_NCM_NDP32_NOCRC_SIGN 0x306D636E /* ncm0 */
01154aa7	334
e5dcd531 YK	335	/* 16-bit NCM Datagram Pointer Entry */
	336	struct usb_cdc_ncm_dpe16 {
	337	__le16 wDatagramIndex;
	338	__le16 wDatagramLength;
	339	} __attribute__((__packed__));
	340
1f53c0e9	341	/* 16-bit NCM Datagram Pointer Table */
01154aa7 YK	342	struct usb_cdc_ncm_ndp16 {
	343	__le32 dwSignature;
	344	__le16 wLength;
3a9dda76	345	__le16 wNextNdpIndex;
e5dcd531	346	struct usb_cdc_ncm_dpe16 dpe16[0];
01154aa7 YK	347	} __attribute__ ((packed));
01154aa7 YK	348
e5dcd531 YK	349	/* 32-bit NCM Datagram Pointer Entry */
e5dcd531 YK	350	struct usb_cdc_ncm_dpe32 {
6195e3c6 YK	351	__le32 dwDatagramIndex;
6195e3c6 YK	352	__le32 dwDatagramLength;
e5dcd531 YK	353	} __attribute__((__packed__));
e5dcd531 YK	354
1f53c0e9	355	/* 32-bit NCM Datagram Pointer Table */
01154aa7 YK	356	struct usb_cdc_ncm_ndp32 {
	357	__le32 dwSignature;
	358	__le16 wLength;
	359	__le16 wReserved6;
1f53c0e9	360	__le32 dwNextNdpIndex;
01154aa7	361	__le32 dwReserved12;
e5dcd531	362	struct usb_cdc_ncm_dpe32 dpe32[0];
01154aa7 YK	363	} __attribute__ ((packed));
01154aa7 YK	364
e5dcd531 YK	365	/* CDC NCM subclass 3.2.1 and 3.2.2 */
	366	#define USB_CDC_NCM_NDP16_INDEX_MIN 0x000C
	367	#define USB_CDC_NCM_NDP32_INDEX_MIN 0x0010
	368
	369	/* CDC NCM subclass 3.3.3 Datagram Formatting */
	370	#define USB_CDC_NCM_DATAGRAM_FORMAT_CRC 0x30
	371	#define USB_CDC_NCM_DATAGRAM_FORMAT_NOCRC 0X31
	372
	373	/* CDC NCM subclass 4.2 NCM Communications Interface Protocol Code */
	374	#define USB_CDC_NCM_PROTO_CODE_NO_ENCAP_COMMANDS 0x00
	375	#define USB_CDC_NCM_PROTO_CODE_EXTERN_PROTO 0xFE
	376
	377	/* CDC NCM subclass 5.2.1 NCM Functional Descriptor, bmNetworkCapabilities */
	378	#define USB_CDC_NCM_NCAP_ETH_FILTER (1 << 0)
	379	#define USB_CDC_NCM_NCAP_NET_ADDRESS (1 << 1)
	380	#define USB_CDC_NCM_NCAP_ENCAP_COMMAND (1 << 2)
	381	#define USB_CDC_NCM_NCAP_MAX_DATAGRAM_SIZE (1 << 3)
	382	#define USB_CDC_NCM_NCAP_CRC_MODE (1 << 4)
3a9dda76	383	#define USB_CDC_NCM_NCAP_NTB_INPUT_SIZE (1 << 5)
e5dcd531 YK	384
	385	/* CDC NCM subclass Table 6-3: NTB Parameter Structure */
	386	#define USB_CDC_NCM_NTB16_SUPPORTED (1 << 0)
	387	#define USB_CDC_NCM_NTB32_SUPPORTED (1 << 1)
	388
	389	/* CDC NCM subclass Table 6-3: NTB Parameter Structure */
	390	#define USB_CDC_NCM_NDP_ALIGN_MIN_SIZE 0x04
	391	#define USB_CDC_NCM_NTB_MAX_LENGTH 0x1C
	392
	393	/* CDC NCM subclass 6.2.5 SetNtbFormat */
	394	#define USB_CDC_NCM_NTB16_FORMAT 0x00
	395	#define USB_CDC_NCM_NTB32_FORMAT 0x01
	396
	397	/* CDC NCM subclass 6.2.7 SetNtbInputSize */
	398	#define USB_CDC_NCM_NTB_MIN_IN_SIZE 2048
	399	#define USB_CDC_NCM_NTB_MIN_OUT_SIZE 2048
	400
3a9dda76 AO	401	/* NTB Input Size Structure */
	402	struct usb_cdc_ncm_ndp_input_size {
	403	__le32 dwNtbInMaxSize;
	404	__le16 wNtbInMaxDatagrams;
	405	__le16 wReserved;
	406	} __attribute__ ((packed));
	407
e5dcd531 YK	408	/* CDC NCM subclass 6.2.11 SetCrcMode */
	409	#define USB_CDC_NCM_CRC_NOT_APPENDED 0x00
	410	#define USB_CDC_NCM_CRC_APPENDED 0x01
	411
dda43a0e	412	#endif /* __LINUX_USB_CDC_H */