diff options
Diffstat (limited to 'lib/lufa/LUFA/Drivers/USB/Class/Device/RNDISClassDevice.c')
| -rw-r--r-- | lib/lufa/LUFA/Drivers/USB/Class/Device/RNDISClassDevice.c | 508 |
1 files changed, 508 insertions, 0 deletions
diff --git a/lib/lufa/LUFA/Drivers/USB/Class/Device/RNDISClassDevice.c b/lib/lufa/LUFA/Drivers/USB/Class/Device/RNDISClassDevice.c new file mode 100644 index 000000000..45293b12f --- /dev/null +++ b/lib/lufa/LUFA/Drivers/USB/Class/Device/RNDISClassDevice.c @@ -0,0 +1,508 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "../../Core/USBMode.h" + +#if defined(USB_CAN_BE_DEVICE) + +#define __INCLUDE_FROM_RNDIS_DRIVER +#define __INCLUDE_FROM_RNDIS_DEVICE_C +#include "RNDISClassDevice.h" + +static const uint32_t PROGMEM AdapterSupportedOIDList[] = + { + CPU_TO_LE32(OID_GEN_SUPPORTED_LIST), + CPU_TO_LE32(OID_GEN_PHYSICAL_MEDIUM), + CPU_TO_LE32(OID_GEN_HARDWARE_STATUS), + CPU_TO_LE32(OID_GEN_MEDIA_SUPPORTED), + CPU_TO_LE32(OID_GEN_MEDIA_IN_USE), + CPU_TO_LE32(OID_GEN_MAXIMUM_FRAME_SIZE), + CPU_TO_LE32(OID_GEN_MAXIMUM_TOTAL_SIZE), + CPU_TO_LE32(OID_GEN_LINK_SPEED), + CPU_TO_LE32(OID_GEN_TRANSMIT_BLOCK_SIZE), + CPU_TO_LE32(OID_GEN_RECEIVE_BLOCK_SIZE), + CPU_TO_LE32(OID_GEN_VENDOR_ID), + CPU_TO_LE32(OID_GEN_VENDOR_DESCRIPTION), + CPU_TO_LE32(OID_GEN_CURRENT_PACKET_FILTER), + CPU_TO_LE32(OID_GEN_MAXIMUM_TOTAL_SIZE), + CPU_TO_LE32(OID_GEN_MEDIA_CONNECT_STATUS), + CPU_TO_LE32(OID_GEN_XMIT_OK), + CPU_TO_LE32(OID_GEN_RCV_OK), + CPU_TO_LE32(OID_GEN_XMIT_ERROR), + CPU_TO_LE32(OID_GEN_RCV_ERROR), + CPU_TO_LE32(OID_GEN_RCV_NO_BUFFER), + CPU_TO_LE32(OID_802_3_PERMANENT_ADDRESS), + CPU_TO_LE32(OID_802_3_CURRENT_ADDRESS), + CPU_TO_LE32(OID_802_3_MULTICAST_LIST), + CPU_TO_LE32(OID_802_3_MAXIMUM_LIST_SIZE), + CPU_TO_LE32(OID_802_3_RCV_ERROR_ALIGNMENT), + CPU_TO_LE32(OID_802_3_XMIT_ONE_COLLISION), + CPU_TO_LE32(OID_802_3_XMIT_MORE_COLLISIONS), + }; + +void RNDIS_Device_ProcessControlRequest(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo) +{ + if (!(Endpoint_IsSETUPReceived())) + return; + + if (USB_ControlRequest.wIndex != RNDISInterfaceInfo->Config.ControlInterfaceNumber) + return; + + switch (USB_ControlRequest.bRequest) + { + case RNDIS_REQ_SendEncapsulatedCommand: + if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) + { + Endpoint_ClearSETUP(); + Endpoint_Read_Control_Stream_LE(RNDISInterfaceInfo->Config.MessageBuffer, USB_ControlRequest.wLength); + Endpoint_ClearIN(); + + RNDIS_Device_ProcessRNDISControlMessage(RNDISInterfaceInfo); + } + + break; + case RNDIS_REQ_GetEncapsulatedResponse: + if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) + { + RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)RNDISInterfaceInfo->Config.MessageBuffer; + + if (!(MessageHeader->MessageLength)) + { + RNDISInterfaceInfo->Config.MessageBuffer[0] = 0; + MessageHeader->MessageLength = CPU_TO_LE32(1); + } + + Endpoint_ClearSETUP(); + Endpoint_Write_Control_Stream_LE(RNDISInterfaceInfo->Config.MessageBuffer, le32_to_cpu(MessageHeader->MessageLength)); + Endpoint_ClearOUT(); + + MessageHeader->MessageLength = CPU_TO_LE32(0); + } + + break; + } +} + +bool RNDIS_Device_ConfigureEndpoints(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo) +{ + memset(&RNDISInterfaceInfo->State, 0x00, sizeof(RNDISInterfaceInfo->State)); + + RNDISInterfaceInfo->Config.DataINEndpoint.Type = EP_TYPE_BULK; + RNDISInterfaceInfo->Config.DataOUTEndpoint.Type = EP_TYPE_BULK; + RNDISInterfaceInfo->Config.NotificationEndpoint.Type = EP_TYPE_INTERRUPT; + + if (RNDISInterfaceInfo->Config.MessageBuffer == NULL) + return false; + + if (RNDISInterfaceInfo->Config.MessageBufferLength < RNDIS_DEVICE_MIN_MESSAGE_BUFFER_LENGTH) + return false; + + if (!(Endpoint_ConfigureEndpointTable(&RNDISInterfaceInfo->Config.DataINEndpoint, 1))) + return false; + + if (!(Endpoint_ConfigureEndpointTable(&RNDISInterfaceInfo->Config.DataOUTEndpoint, 1))) + return false; + + if (!(Endpoint_ConfigureEndpointTable(&RNDISInterfaceInfo->Config.NotificationEndpoint, 1))) + return false; + + return true; +} + +void RNDIS_Device_USBTask(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo) +{ + if (USB_DeviceState != DEVICE_STATE_Configured) + return; + + Endpoint_SelectEndpoint(RNDISInterfaceInfo->Config.NotificationEndpoint.Address); + + if (Endpoint_IsINReady() && RNDISInterfaceInfo->State.ResponseReady) + { + USB_Request_Header_t Notification = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE), + .bRequest = RNDIS_NOTIF_ResponseAvailable, + .wValue = CPU_TO_LE16(0), + .wIndex = CPU_TO_LE16(0), + .wLength = CPU_TO_LE16(0), + }; + + Endpoint_Write_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NULL); + + Endpoint_ClearIN(); + + RNDISInterfaceInfo->State.ResponseReady = false; + } +} + +void RNDIS_Device_ProcessRNDISControlMessage(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo) +{ + /* Note: Only a single buffer is used for both the received message and its response to save SRAM. Because of + this, response bytes should be filled in order so that they do not clobber unread data in the buffer. */ + + RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)RNDISInterfaceInfo->Config.MessageBuffer; + + switch (le32_to_cpu(MessageHeader->MessageType)) + { + case REMOTE_NDIS_INITIALIZE_MSG: + RNDISInterfaceInfo->State.ResponseReady = true; + + RNDIS_Initialize_Message_t* INITIALIZE_Message = + (RNDIS_Initialize_Message_t*)RNDISInterfaceInfo->Config.MessageBuffer; + RNDIS_Initialize_Complete_t* INITIALIZE_Response = + (RNDIS_Initialize_Complete_t*)RNDISInterfaceInfo->Config.MessageBuffer; + + INITIALIZE_Response->MessageType = CPU_TO_LE32(REMOTE_NDIS_INITIALIZE_CMPLT); + INITIALIZE_Response->MessageLength = CPU_TO_LE32(sizeof(RNDIS_Initialize_Complete_t)); + INITIALIZE_Response->RequestId = INITIALIZE_Message->RequestId; + INITIALIZE_Response->Status = CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS); + + INITIALIZE_Response->MajorVersion = CPU_TO_LE32(REMOTE_NDIS_VERSION_MAJOR); + INITIALIZE_Response->MinorVersion = CPU_TO_LE32(REMOTE_NDIS_VERSION_MINOR); + INITIALIZE_Response->DeviceFlags = CPU_TO_LE32(REMOTE_NDIS_DF_CONNECTIONLESS); + INITIALIZE_Response->Medium = CPU_TO_LE32(REMOTE_NDIS_MEDIUM_802_3); + INITIALIZE_Response->MaxPacketsPerTransfer = CPU_TO_LE32(1); + INITIALIZE_Response->MaxTransferSize = CPU_TO_LE32(sizeof(RNDIS_Packet_Message_t) + ETHERNET_FRAME_SIZE_MAX); + INITIALIZE_Response->PacketAlignmentFactor = CPU_TO_LE32(0); + INITIALIZE_Response->AFListOffset = CPU_TO_LE32(0); + INITIALIZE_Response->AFListSize = CPU_TO_LE32(0); + + RNDISInterfaceInfo->State.CurrRNDISState = RNDIS_Initialized; + break; + case REMOTE_NDIS_HALT_MSG: + RNDISInterfaceInfo->State.ResponseReady = false; + + MessageHeader->MessageLength = CPU_TO_LE32(0); + + RNDISInterfaceInfo->State.CurrRNDISState = RNDIS_Uninitialized; + break; + case REMOTE_NDIS_QUERY_MSG: + RNDISInterfaceInfo->State.ResponseReady = true; + + RNDIS_Query_Message_t* QUERY_Message = (RNDIS_Query_Message_t*)RNDISInterfaceInfo->Config.MessageBuffer; + RNDIS_Query_Complete_t* QUERY_Response = (RNDIS_Query_Complete_t*)RNDISInterfaceInfo->Config.MessageBuffer; + uint32_t Query_Oid = CPU_TO_LE32(QUERY_Message->Oid); + + void* QueryData = &RNDISInterfaceInfo->Config.MessageBuffer[sizeof(RNDIS_Message_Header_t) + + le32_to_cpu(QUERY_Message->InformationBufferOffset)]; + void* ResponseData = &RNDISInterfaceInfo->Config.MessageBuffer[sizeof(RNDIS_Query_Complete_t)]; + uint16_t ResponseSize; + + QUERY_Response->MessageType = CPU_TO_LE32(REMOTE_NDIS_QUERY_CMPLT); + + if (RNDIS_Device_ProcessNDISQuery(RNDISInterfaceInfo, Query_Oid, QueryData, le32_to_cpu(QUERY_Message->InformationBufferLength), + ResponseData, &ResponseSize)) + { + QUERY_Response->Status = CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS); + QUERY_Response->MessageLength = cpu_to_le32(sizeof(RNDIS_Query_Complete_t) + ResponseSize); + + QUERY_Response->InformationBufferLength = CPU_TO_LE32(ResponseSize); + QUERY_Response->InformationBufferOffset = CPU_TO_LE32(sizeof(RNDIS_Query_Complete_t) - sizeof(RNDIS_Message_Header_t)); + } + else + { + QUERY_Response->Status = CPU_TO_LE32(REMOTE_NDIS_STATUS_NOT_SUPPORTED); + QUERY_Response->MessageLength = CPU_TO_LE32(sizeof(RNDIS_Query_Complete_t)); + + QUERY_Response->InformationBufferLength = CPU_TO_LE32(0); + QUERY_Response->InformationBufferOffset = CPU_TO_LE32(0); + } + + break; + case REMOTE_NDIS_SET_MSG: + RNDISInterfaceInfo->State.ResponseReady = true; + + RNDIS_Set_Message_t* SET_Message = (RNDIS_Set_Message_t*)RNDISInterfaceInfo->Config.MessageBuffer; + RNDIS_Set_Complete_t* SET_Response = (RNDIS_Set_Complete_t*)RNDISInterfaceInfo->Config.MessageBuffer; + uint32_t SET_Oid = le32_to_cpu(SET_Message->Oid); + + SET_Response->MessageType = CPU_TO_LE32(REMOTE_NDIS_SET_CMPLT); + SET_Response->MessageLength = CPU_TO_LE32(sizeof(RNDIS_Set_Complete_t)); + SET_Response->RequestId = SET_Message->RequestId; + + void* SetData = &RNDISInterfaceInfo->Config.MessageBuffer[sizeof(RNDIS_Message_Header_t) + + le32_to_cpu(SET_Message->InformationBufferOffset)]; + + SET_Response->Status = RNDIS_Device_ProcessNDISSet(RNDISInterfaceInfo, SET_Oid, SetData, + le32_to_cpu(SET_Message->InformationBufferLength)) ? + REMOTE_NDIS_STATUS_SUCCESS : REMOTE_NDIS_STATUS_NOT_SUPPORTED; + break; + case REMOTE_NDIS_RESET_MSG: + RNDISInterfaceInfo->State.ResponseReady = true; + + RNDIS_Reset_Complete_t* RESET_Response = (RNDIS_Reset_Complete_t*)RNDISInterfaceInfo->Config.MessageBuffer; + + RESET_Response->MessageType = CPU_TO_LE32(REMOTE_NDIS_RESET_CMPLT); + RESET_Response->MessageLength = CPU_TO_LE32(sizeof(RNDIS_Reset_Complete_t)); + RESET_Response->Status = CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS); + RESET_Response->AddressingReset = CPU_TO_LE32(0); + + break; + case REMOTE_NDIS_KEEPALIVE_MSG: + RNDISInterfaceInfo->State.ResponseReady = true; + + RNDIS_KeepAlive_Message_t* KEEPALIVE_Message = + (RNDIS_KeepAlive_Message_t*)RNDISInterfaceInfo->Config.MessageBuffer; + RNDIS_KeepAlive_Complete_t* KEEPALIVE_Response = + (RNDIS_KeepAlive_Complete_t*)RNDISInterfaceInfo->Config.MessageBuffer; + + KEEPALIVE_Response->MessageType = CPU_TO_LE32(REMOTE_NDIS_KEEPALIVE_CMPLT); + KEEPALIVE_Response->MessageLength = CPU_TO_LE32(sizeof(RNDIS_KeepAlive_Complete_t)); + KEEPALIVE_Response->RequestId = KEEPALIVE_Message->RequestId; + KEEPALIVE_Response->Status = CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS); + + break; + } +} + +static bool RNDIS_Device_ProcessNDISQuery(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo, + const uint32_t OId, + void* const QueryData, + const uint16_t QuerySize, + void* ResponseData, + uint16_t* const ResponseSize) +{ + (void)QueryData; + (void)QuerySize; + + switch (OId) + { + case OID_GEN_SUPPORTED_LIST: + *ResponseSize = sizeof(AdapterSupportedOIDList); + + memcpy_P(ResponseData, AdapterSupportedOIDList, sizeof(AdapterSupportedOIDList)); + + return true; + case OID_GEN_PHYSICAL_MEDIUM: + *ResponseSize = sizeof(uint32_t); + + /* Indicate that the device is a true ethernet link */ + *((uint32_t*)ResponseData) = CPU_TO_LE32(0); + + return true; + case OID_GEN_HARDWARE_STATUS: + *ResponseSize = sizeof(uint32_t); + + *((uint32_t*)ResponseData) = CPU_TO_LE32(NDIS_HardwareStatus_Ready); + + return true; + case OID_GEN_MEDIA_SUPPORTED: + case OID_GEN_MEDIA_IN_USE: + *ResponseSize = sizeof(uint32_t); + + *((uint32_t*)ResponseData) = CPU_TO_LE32(REMOTE_NDIS_MEDIUM_802_3); + + return true; + case OID_GEN_VENDOR_ID: + *ResponseSize = sizeof(uint32_t); + + /* Vendor ID 0x0xFFFFFF is reserved for vendors who have not purchased a NDIS VID */ + *((uint32_t*)ResponseData) = CPU_TO_LE32(0x00FFFFFF); + + return true; + case OID_GEN_MAXIMUM_FRAME_SIZE: + case OID_GEN_TRANSMIT_BLOCK_SIZE: + case OID_GEN_RECEIVE_BLOCK_SIZE: + *ResponseSize = sizeof(uint32_t); + + *((uint32_t*)ResponseData) = CPU_TO_LE32(ETHERNET_FRAME_SIZE_MAX); + + return true; + case OID_GEN_VENDOR_DESCRIPTION: + *ResponseSize = (strlen(RNDISInterfaceInfo->Config.AdapterVendorDescription) + 1); + + memcpy(ResponseData, RNDISInterfaceInfo->Config.AdapterVendorDescription, *ResponseSize); + + return true; + case OID_GEN_MEDIA_CONNECT_STATUS: + *ResponseSize = sizeof(uint32_t); + + *((uint32_t*)ResponseData) = CPU_TO_LE32(REMOTE_NDIS_MEDIA_STATE_CONNECTED); + + return true; + case OID_GEN_LINK_SPEED: + *ResponseSize = sizeof(uint32_t); + + /* Indicate 10Mb/s link speed */ + *((uint32_t*)ResponseData) = CPU_TO_LE32(100000); + + return true; + case OID_802_3_PERMANENT_ADDRESS: + case OID_802_3_CURRENT_ADDRESS: + *ResponseSize = sizeof(MAC_Address_t); + + memcpy(ResponseData, &RNDISInterfaceInfo->Config.AdapterMACAddress, sizeof(MAC_Address_t)); + + return true; + case OID_802_3_MAXIMUM_LIST_SIZE: + *ResponseSize = sizeof(uint32_t); + + /* Indicate only one multicast address supported */ + *((uint32_t*)ResponseData) = CPU_TO_LE32(1); + + return true; + case OID_GEN_CURRENT_PACKET_FILTER: + *ResponseSize = sizeof(uint32_t); + + *((uint32_t*)ResponseData) = cpu_to_le32(RNDISInterfaceInfo->State.CurrPacketFilter); + + return true; + case OID_GEN_XMIT_OK: + case OID_GEN_RCV_OK: + case OID_GEN_XMIT_ERROR: + case OID_GEN_RCV_ERROR: + case OID_GEN_RCV_NO_BUFFER: + case OID_802_3_RCV_ERROR_ALIGNMENT: + case OID_802_3_XMIT_ONE_COLLISION: + case OID_802_3_XMIT_MORE_COLLISIONS: + *ResponseSize = sizeof(uint32_t); + + /* Unused statistic OIDs - always return 0 for each */ + *((uint32_t*)ResponseData) = CPU_TO_LE32(0); + + return true; + case OID_GEN_MAXIMUM_TOTAL_SIZE: + *ResponseSize = sizeof(uint32_t); + + /* Indicate maximum overall buffer (Ethernet frame and RNDIS header) the adapter can handle */ + *((uint32_t*)ResponseData) = CPU_TO_LE32(RNDISInterfaceInfo->Config.MessageBufferLength + ETHERNET_FRAME_SIZE_MAX); + + return true; + default: + return false; + } +} + +static bool RNDIS_Device_ProcessNDISSet(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo, + const uint32_t OId, + const void* SetData, + const uint16_t SetSize) +{ + (void)SetSize; + + switch (OId) + { + case OID_GEN_CURRENT_PACKET_FILTER: + RNDISInterfaceInfo->State.CurrPacketFilter = le32_to_cpu(*((uint32_t*)SetData)); + RNDISInterfaceInfo->State.CurrRNDISState = (RNDISInterfaceInfo->State.CurrPacketFilter) ? RNDIS_Data_Initialized : RNDIS_Initialized; + + return true; + case OID_802_3_MULTICAST_LIST: + /* Do nothing - throw away the value from the host as it is unused */ + + return true; + default: + return false; + } +} + +bool RNDIS_Device_IsPacketReceived(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo) +{ + if ((USB_DeviceState != DEVICE_STATE_Configured) || + (RNDISInterfaceInfo->State.CurrRNDISState != RNDIS_Data_Initialized)) + { + return false; + } + + Endpoint_SelectEndpoint(RNDISInterfaceInfo->Config.DataOUTEndpoint.Address); + return Endpoint_IsOUTReceived(); +} + +uint8_t RNDIS_Device_ReadPacket(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo, + void* Buffer, + uint16_t* const PacketLength) +{ + if ((USB_DeviceState != DEVICE_STATE_Configured) || + (RNDISInterfaceInfo->State.CurrRNDISState != RNDIS_Data_Initialized)) + { + return ENDPOINT_RWSTREAM_DeviceDisconnected; + } + + Endpoint_SelectEndpoint(RNDISInterfaceInfo->Config.DataOUTEndpoint.Address); + + *PacketLength = 0; + + if (!(Endpoint_IsOUTReceived())) + return ENDPOINT_RWSTREAM_NoError; + + RNDIS_Packet_Message_t RNDISPacketHeader; + Endpoint_Read_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t), NULL); + + if (le32_to_cpu(RNDISPacketHeader.DataLength) > ETHERNET_FRAME_SIZE_MAX) + { + Endpoint_StallTransaction(); + + return RNDIS_ERROR_LOGICAL_CMD_FAILED; + } + + *PacketLength = (uint16_t)le32_to_cpu(RNDISPacketHeader.DataLength); + + Endpoint_Read_Stream_LE(Buffer, *PacketLength, NULL); + Endpoint_ClearOUT(); + + return ENDPOINT_RWSTREAM_NoError; +} + +uint8_t RNDIS_Device_SendPacket(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo, + void* Buffer, + const uint16_t PacketLength) +{ + uint8_t ErrorCode; + + if ((USB_DeviceState != DEVICE_STATE_Configured) || + (RNDISInterfaceInfo->State.CurrRNDISState != RNDIS_Data_Initialized)) + { + return ENDPOINT_RWSTREAM_DeviceDisconnected; + } + + Endpoint_SelectEndpoint(RNDISInterfaceInfo->Config.DataINEndpoint.Address); + + if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError) + return ErrorCode; + + RNDIS_Packet_Message_t RNDISPacketHeader; + + memset(&RNDISPacketHeader, 0, sizeof(RNDIS_Packet_Message_t)); + + RNDISPacketHeader.MessageType = CPU_TO_LE32(REMOTE_NDIS_PACKET_MSG); + RNDISPacketHeader.MessageLength = cpu_to_le32(sizeof(RNDIS_Packet_Message_t) + PacketLength); + RNDISPacketHeader.DataOffset = CPU_TO_LE32(sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)); + RNDISPacketHeader.DataLength = cpu_to_le32(PacketLength); + + Endpoint_Write_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t), NULL); + Endpoint_Write_Stream_LE(Buffer, PacketLength, NULL); + Endpoint_ClearIN(); + + return ENDPOINT_RWSTREAM_NoError; +} + +#endif + |