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rndis document

This commit is contained in:
hathach 2013-10-27 15:15:28 +07:00
parent 76e993c45c
commit f941f88549
3 changed files with 110 additions and 82 deletions
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2
tinyusb.Doxyfile
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@ -457,7 +457,7 @@ EXTRACT_ANON_NSPACES = NO
# section is generated. This option has no effect if EXTRACT_ALL is enabled.
# The default value is: NO.
HIDE_UNDOC_MEMBERS = YES
HIDE_UNDOC_MEMBERS = NO
# If the HIDE_UNDOC_CLASSES tag is set to YES, doxygen will hide all
# undocumented classes that are normally visible in the class hierarchy. If set

4
tinyusb/class/cdc_host.h
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@ -88,7 +88,10 @@ void tusbh_cdc_xfer_isr(uint8_t dev_addr, tusb_event_t event, cdc_pipeid_t pipe_
// RNDIS APPLICATION API
//--------------------------------------------------------------------+
/** \addtogroup CDC_RNDIS Remote Network Driver Interface Specification (RNDIS)
* @{
* \addtogroup CDC_RNSID_Host Host
* @{ */
bool tusbh_cdc_rndis_is_mounted(uint8_t dev_addr) ATTR_PURE ATTR_WARN_UNUSED_RESULT;
tusb_error_t tusbh_cdc_rndis_get_mac_addr(uint8_t dev_addr, uint8_t mac_address[6]);
@ -107,6 +110,7 @@ void tusbh_cdc_rndis_unmounted_cb(uint8_t dev_addr);
void tusbh_cdc_rndis_xfer_isr(uint8_t dev_addr, tusb_event_t event, cdc_pipeid_t pipe_id, uint32_t xferred_bytes);
/// @}
/// @}
//--------------------------------------------------------------------+

186
tinyusb/class/cdc_rndis.h
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@ -51,36 +51,38 @@
extern "C" {
#endif
/// RNDIS Message Types
typedef enum {
RNDIS_MSG_PACKET = 0x00000001UL,
RNDIS_MSG_PACKET = 0x00000001UL, ///< The host and device use this to send network data to one another.
RNDIS_MSG_INITIALIZE = 0x00000002UL,
RNDIS_MSG_INITIALIZE_CMPLT = 0x80000002UL,
RNDIS_MSG_INITIALIZE = 0x00000002UL, ///< Sent by the host to initialize the device.
RNDIS_MSG_INITIALIZE_CMPLT = 0x80000002UL, ///< Device response to an initialize message.
RNDIS_MSG_HALT = 0x00000003UL,
RNDIS_MSG_HALT = 0x00000003UL, ///< Sent by the host to halt the device. This does not have a response. It is optional for the device to send this message to the host.
RNDIS_MSG_QUERY = 0x00000004UL,
RNDIS_MSG_QUERY_CMPLT = 0x80000004UL,
RNDIS_MSG_QUERY = 0x00000004UL, ///< Sent by the host to send a query OID.
RNDIS_MSG_QUERY_CMPLT = 0x80000004UL, ///< Device response to a query OID.
RNDIS_MSG_SET = 0x00000005UL,
RNDIS_MSG_SET_CMPLT = 0x80000005UL,
RNDIS_MSG_SET = 0x00000005UL, ///< Sent by the host to send a set OID.
RNDIS_MSG_SET_CMPLT = 0x80000005UL, ///< Device response to a set OID.
RNDIS_MSG_RESET = 0x00000006UL,
RNDIS_MSG_RESET_CMPLT = 0x80000006UL,
RNDIS_MSG_RESET = 0x00000006UL, ///< Sent by the host to perform a soft reset on the device.
RNDIS_MSG_RESET_CMPLT = 0x80000006UL, ///< Device response to reset message.
RNDIS_MSG_INDICATE_STATUS = 0x00000007UL,
RNDIS_MSG_INDICATE_STATUS = 0x00000007UL, ///< Sent by the device to indicate its status or an error when an unrecognized message is received.
RNDIS_MSG_KEEP_ALIVE = 0x00000008UL,
RNDIS_MSG_KEEP_ALIVE_CMPLT = 0x80000008UL
RNDIS_MSG_KEEP_ALIVE = 0x00000008UL, ///< During idle periods, sent every few seconds by the host to check that the device is still responsive. It is optional for the device to send this message to check if the host is active.
RNDIS_MSG_KEEP_ALIVE_CMPLT = 0x80000008UL ///< The device response to a keepalivemessage. The host can respond with this message to a keepalive message from the device when the device implements the optional KeepAliveTimer.
}rndis_msg_type_t;
/// RNDIS Message Status Values
typedef enum {
RNDIS_STATUS_SUCCESS = 0x00000000UL,
RNDIS_STATUS_FAILURE = 0xC0000001UL,
RNDIS_STATUS_INVALID_DATA = 0xC0010015UL,
RNDIS_STATUS_NOT_SUPPORTED = 0xC00000BBUL,
RNDIS_STATUS_MEDIA_CONNECT = 0x4001000BUL,
RNDIS_STATUS_MEDIA_DISCONNECT = 0x4001000CUL
RNDIS_STATUS_SUCCESS = 0x00000000UL, ///< Success
RNDIS_STATUS_FAILURE = 0xC0000001UL, ///< Unspecified error
RNDIS_STATUS_INVALID_DATA = 0xC0010015UL, ///< Invalid data error
RNDIS_STATUS_NOT_SUPPORTED = 0xC00000BBUL, ///< Unsupported request error
RNDIS_STATUS_MEDIA_CONNECT = 0x4001000BUL, ///< Device is connected to a network medium.
RNDIS_STATUS_MEDIA_DISCONNECT = 0x4001000CUL ///< Device is disconnected from the medium.
}rndis_msg_status_t;
//--------------------------------------------------------------------+
@ -88,68 +90,80 @@ typedef enum {
//--------------------------------------------------------------------+
//------------- Initialize -------------//
/// \brief Initialize Message
/// \details This message MUST be sent by the host to initialize the device.
typedef struct {
uint32_t type;
uint32_t length;
uint32_t request_id;
uint32_t major_version;
uint32_t minor_version;
uint32_t max_xfer_size;
uint32_t type ; ///< Message type, must be \ref RNDIS_MSG_INITIALIZE
uint32_t length ; ///< Message length in bytes, must be 0x18
uint32_t request_id ; ///< A 32-bit integer value, generated by the host, used to match the host's sent request to the response from the device.
uint32_t major_version ; ///< The major version of the RNDIS Protocol implemented by the host.
uint32_t minor_version ; ///< The minor version of the RNDIS Protocol implemented by the host
uint32_t max_xfer_size ; ///< The maximum size, in bytes, of any single bus data transfer that the host expects to receive from the device.
}rndis_msg_initialize_t;
/// \brief Initialize Complete Message
/// \details This message MUST be sent by the device in response to an initialize message.
typedef struct {
uint32_t type;
uint32_t length;
uint32_t request_id;
uint32_t status;
uint32_t major_version;
uint32_t minor_version;
uint32_t device_flags;
uint32_t medium; // medium type, is 0x00 for RNDIS_MEDIUM_802_3
uint32_t max_packet_per_xfer;
uint32_t max_xfer_size;
uint32_t packet_alignment_factor;
uint32_t reserved[2];
uint32_t type ; ///< Message Type, must be \ref RNDIS_MSG_INITIALIZE_CMPLT
uint32_t length ; ///< Message length in bytes, must be 0x30
uint32_t request_id ; ///< A 32-bit integer value from \a request_id field of the \ref rndis_msg_initialize_t to which this message is a response.
uint32_t status ; ///< The initialization status of the device, has value from \ref rndis_msg_status_t
uint32_t major_version ; ///< the highest-numbered RNDIS Protocol version supported by the device.
uint32_t minor_version ; ///< the highest-numbered RNDIS Protocol version supported by the device.
uint32_t device_flags ; ///< MUST be set to 0x000000010. Other values are reserved for future use.
uint32_t medium ; ///< is 0x00 for RNDIS_MEDIUM_802_3
uint32_t max_packet_per_xfer ; ///< The maximum number of concatenated \ref RNDIS_MSG_PACKET messages that the device can handle in a single bus transfer to it. This value MUST be at least 1.
uint32_t max_xfer_size ; ///< The maximum size, in bytes, of any single bus data transfer that the device expects to receive from the host.
uint32_t packet_alignment_factor ; ///< The byte alignment the device expects for each RNDIS message that is part of a multimessage transfer to it. The value is specified as an exponent of 2; for example, the host uses 2<SUP>{PacketAlignmentFactor}</SUP> as the alignment value.
uint32_t reserved[2] ;
} rndis_msg_initialize_cmplt_t;
//------------- Query -------------//
/// \brief Query Message
/// \details This message MUST be sent by the host to query an OID.
typedef struct {
uint32_t type;
uint32_t length;
uint32_t request_id;
uint32_t oid;
uint32_t buffer_length;
uint32_t buffer_offset; // from beginning of request_id field
uint32_t reserved;
uint8_t oid_buffer[]; // flexible array member
uint32_t type ; ///< Message Type, must be \ref RNDIS_MSG_QUERY
uint32_t length ; ///< Message length in bytes, including the header and the \a oid_buffer
uint32_t request_id ; ///< A 32-bit integer value, generated by the host, used to match the host's sent request to the response from the device.
uint32_t oid ; ///< The integer value of the host operating system-defined identifier, for the parameter of the device being queried for.
uint32_t buffer_length ; ///< The length, in bytes, of the input data required for the OID query. This MUST be set to 0 when there is no input data associated with the OID.
uint32_t buffer_offset ; ///< The offset, in bytes, from the beginning of \a request_id field where the input data for the query is located in the message. This value MUST be set to 0 when there is no input data associated with the OID.
uint32_t reserved ;
uint8_t oid_buffer[] ; ///< Flexible array contains the input data supplied by the host, required for the OID query request processing by the device, as per the host NDIS specification.
} rndis_msg_query_t, rndis_msg_set_t;
STATIC_ASSERT(sizeof(rndis_msg_query_t) == 28, "Make sure flexible array member does not affect layout");
/// \brief Query Complete Message
/// \details This message MUST be sent by the device in response to a query OID message.
typedef struct {
uint32_t type;
uint32_t length;
uint32_t request_id;
uint32_t status;
uint32_t buffer_length;
uint32_t buffer_offset;
uint8_t oid_buffer[]; // flexible array member
uint32_t type ; ///< Message Type, must be \ref RNDIS_MSG_QUERY_CMPLT
uint32_t length ; ///< Message length in bytes, including the header and the \a oid_buffer
uint32_t request_id ; ///< A 32-bit integer value from \a request_id field of the \ref rndis_msg_query_t to which this message is a response.
uint32_t status ; ///< The status of processing for the query request, has value from \ref rndis_msg_status_t.
uint32_t buffer_length ; ///< The length, in bytes, of the data in the response to the query. This MUST be set to 0 when there is no OIDInputBuffer.
uint32_t buffer_offset ; ///< The offset, in bytes, from the beginning of \a request_id field where the response data for the query is located in the message. This MUST be set to 0 when there is no \ref oid_buffer.
uint8_t oid_buffer[] ; ///< Flexible array member contains the response data to the OID query request as specified by the host.
} rndis_msg_query_cmplt_t;
STATIC_ASSERT(sizeof(rndis_msg_query_cmplt_t) == 24, "Make sure flexible array member does not affect layout");
//------------- Reset -------------//
/// \brief Reset Message
/// \details This message MUST be sent by the host to perform a soft reset on the device.
typedef struct {
uint32_t type;
uint32_t length;
uint32_t reserved;
uint32_t type ; ///< Message Type, must be \ref RNDIS_MSG_RESET
uint32_t length ; ///< Message length in bytes, MUST be 0x06
uint32_t reserved ;
} rndis_msg_reset_t;
/// \brief Reset Complete Message
/// \details This message MUST be sent by the device in response to a reset message.
typedef struct {
uint32_t type;
uint32_t length;
uint32_t status;
uint32_t addressing_reset;
uint32_t type ; ///< Message Type, must be \ref RNDIS_MSG_RESET_CMPLT
uint32_t length ; ///< Message length in bytes, MUST be 0x10
uint32_t status ; ///< The status of processing for the \ref rndis_msg_reset_t, has value from \ref rndis_msg_status_t.
uint32_t addressing_reset ; ///< This field indicates whether the addressing information, which is the multicast address list or packet filter, has been lost during the reset operation. This MUST be set to 0x00000001 if the device requires that the host to resend addressing information or MUST be set to zero otherwise.
} rndis_msg_reset_cmplt_t;
//typedef struct {
@ -163,31 +177,40 @@ typedef struct {
// uint32_t status_buffer[0]; // optional
//} rndis_msg_indicate_status_t;
/// \brief Keep Alive Message
/// \details This message MUST be sent by the host to check that device is still responsive. It is optional for the device to send this message to check if the host is active
typedef struct {
uint32_t type;
uint32_t length;
uint32_t request_id;
uint32_t type ; ///< Message Type
uint32_t length ; ///< Message length in bytes, MUST be 0x10
uint32_t request_id ;
} rndis_msg_keep_alive_t, rndis_msg_halt_t;
/// \brief Set Complete Message
/// \brief This message MUST be sent in response to a the request message
typedef struct {
uint32_t type;
uint32_t length;
uint32_t request_id;
uint32_t status;
uint32_t type ; ///< Message Type
uint32_t length ; ///< Message length in bytes, MUST be 0x10
uint32_t request_id ; ///< must be the same as requesting message
uint32_t status ; ///< The status of processing for the request message request by the device to which this message is the response.
} rndis_msg_set_cmplt_t, rndis_msg_keep_alive_cmplt_t;
/// \brief Packet Data Message
/// \brief This message MUST be used by the host and the device to send network data to one another.
typedef struct {
uint32_t type;
uint32_t length;
uint32_t data_offset;
uint32_t data_length;
uint32_t out_of_band_data_offet;
uint32_t out_of_band_data_length;
uint32_t num_out_of_band_data_elements;
uint32_t per_packet_info_offset;
uint32_t per_packet_info_length;
uint32_t reserved[2];
uint32_t payload_and_padding[0]; // Additional bytes of zeros added at the end of the message to comply with
uint32_t type ; ///< Message Type, must be \ref RNDIS_MSG_PACKET
uint32_t length ; ///< Message length in bytes, The total length of this RNDIS message including the header, payload, and padding.
uint32_t data_offset ; ///< Specifies the offset, in bytes, from the start of this \a data_offset field of this message to the start of the data. This MUST be an integer multiple of 4.
uint32_t data_length ; ///< Specifies the number of bytes in the payload of this message.
uint32_t out_of_band_data_offet ; ///< Specifies the offset, in bytes, of the first out-of-band data record from the start of the DataOffset field in this message. MUST be an integer multiple of 4 when out-of-band data is present or set to 0 otherwise. When there are multiple out-ofband data records, each subsequent record MUST immediately follow the previous out-of-band data record.
uint32_t out_of_band_data_length ; ///< Specifies, in bytes, the total length of the out-of-band data.
uint32_t num_out_of_band_data_elements ; ///< Specifies the number of out-of-band records in this message.
uint32_t per_packet_info_offset ; ///< Specifies the offset, in bytes, of the start of per-packet-info data record from the start of the \a data_offset field in this message. MUST be an integer multiple of 4 when per-packet-info data record is present or MUST be set to 0 otherwise. When there are multiple per-packet-info data records, each subsequent record MUST immediately follow the previous record.
uint32_t per_packet_info_length ; ///< Specifies, in bytes, the total length of per-packetinformation contained in this message.
uint32_t reserved[2] ;
uint32_t payload[0] ; ///< Network data contained in this message.
// uint8_t padding[0]
// Additional bytes of zeros added at the end of the message to comply with
// the internal and external padding requirements. Internal padding SHOULD be as per the
// specification of the out-of-band data record and per-packet-info data record. The external
//padding size SHOULD be determined based on the PacketAlignmentFactor field specification
@ -199,11 +222,12 @@ typedef struct {
// rndis_msg_packet_t [0] : (optional) more packet if multiple packet per bus transaction is supported
} rndis_msg_packet_t;
typedef struct {
uint32_t size;
uint32_t type;
uint32_t offset;
uint32_t data[0];
uint32_t size ; ///< Length, in bytes, of this header and appended data and padding. This value MUST be an integer multiple of 4.
uint32_t type ; ///< MUST be as per host operating system specification.
uint32_t offset ; ///< The byte offset from the beginning of this record to the beginning of data.
uint32_t data[0] ; ///< Flexible array contains data
} rndis_msg_out_of_band_data_t, rndis_msg_per_packet_info_t;
//--------------------------------------------------------------------+