X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/e331b531c6e6d93eb0eee42b9002074e8090ad18..071e02c6b6b4837fa9cf0b6d4c749994e02638d7:/LUFA/Drivers/USB/Class/Host/RNDIS.c?ds=inline diff --git a/LUFA/Drivers/USB/Class/Host/RNDIS.c b/LUFA/Drivers/USB/Class/Host/RNDIS.c index b81c6af58..06175d237 100644 --- a/LUFA/Drivers/USB/Class/Host/RNDIS.c +++ b/LUFA/Drivers/USB/Class/Host/RNDIS.c @@ -1,467 +1,467 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2010. - - dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com -*/ - -/* - Copyright 2010 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 disclaim 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 "../../HighLevel/USBMode.h" -#if defined(USB_CAN_BE_HOST) - -#define __INCLUDE_FROM_RNDIS_CLASS_HOST_C -#define __INCLUDE_FROM_RNDIS_DRIVER -#include "RNDIS.h" - -uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, uint16_t ConfigDescriptorSize, - void* ConfigDescriptorData) -{ - uint8_t FoundEndpoints = 0; - - memset(&RNDISInterfaceInfo->State, 0x00, sizeof(RNDISInterfaceInfo->State)); - - if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration) - return RNDIS_ENUMERROR_InvalidConfigDescriptor; - - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DComp_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found) - { - return RNDIS_ENUMERROR_NoRNDISInterfaceFound; - } - - RNDISInterfaceInfo->State.ControlInterfaceNumber = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber; - - while (FoundEndpoints != (RNDIS_FOUND_NOTIFICATION_IN | RNDIS_FOUND_DATAPIPE_IN | RNDIS_FOUND_DATAPIPE_OUT)) - { - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DComp_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) - { - if (FoundEndpoints & RNDIS_FOUND_NOTIFICATION_IN) - { - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DComp_RNDIS_Host_NextRNDISDataInterface) != DESCRIPTOR_SEARCH_COMP_Found) - { - return RNDIS_ENUMERROR_NoRNDISInterfaceFound; - } - } - else - { - FoundEndpoints = 0; - - Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber); - Pipe_DisablePipe(); - Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber); - Pipe_DisablePipe(); - Pipe_SelectPipe(RNDISInterfaceInfo->Config.NotificationPipeNumber); - Pipe_DisablePipe(); - - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DComp_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found) - { - return RNDIS_ENUMERROR_NoRNDISInterfaceFound; - } - } - - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DComp_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) - { - return RNDIS_ENUMERROR_EndpointsNotFound; - } - } - - USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t); - - if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT) - { - if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) - { - Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN, - EndpointData->EndpointAddress, EndpointData->EndpointSize, - RNDISInterfaceInfo->Config.NotificationPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); - RNDISInterfaceInfo->State.NotificationPipeSize = EndpointData->EndpointSize; - - Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS); - - FoundEndpoints |= RNDIS_FOUND_NOTIFICATION_IN; - } - } - else - { - if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) - { - Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN, - EndpointData->EndpointAddress, EndpointData->EndpointSize, - RNDISInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); - RNDISInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize; - - FoundEndpoints |= RNDIS_FOUND_DATAPIPE_IN; - } - else - { - Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT, - EndpointData->EndpointAddress, EndpointData->EndpointSize, - RNDISInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); - RNDISInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize; - - FoundEndpoints |= RNDIS_FOUND_DATAPIPE_OUT; - } - } - } - - RNDISInterfaceInfo->State.IsActive = true; - return RNDIS_ENUMERROR_NoError; -} - -static uint8_t DComp_RNDIS_Host_NextRNDISControlInterface(void* const CurrentDescriptor) -{ - if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) - { - USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor, - USB_Descriptor_Interface_t); - - if ((CurrentInterface->Class == RNDIS_CONTROL_CLASS) && - (CurrentInterface->SubClass == RNDIS_CONTROL_SUBCLASS) && - (CurrentInterface->Protocol == RNDIS_CONTROL_PROTOCOL)) - { - return DESCRIPTOR_SEARCH_Found; - } - } - - return DESCRIPTOR_SEARCH_NotFound; -} - -static uint8_t DComp_RNDIS_Host_NextRNDISDataInterface(void* const CurrentDescriptor) -{ - if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) - { - USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor, - USB_Descriptor_Interface_t); - - if ((CurrentInterface->Class == RNDIS_DATA_CLASS) && - (CurrentInterface->SubClass == RNDIS_DATA_SUBCLASS) && - (CurrentInterface->Protocol == RNDIS_DATA_PROTOCOL)) - { - return DESCRIPTOR_SEARCH_Found; - } - } - - return DESCRIPTOR_SEARCH_NotFound; -} - -static uint8_t DComp_RNDIS_Host_NextRNDISInterfaceEndpoint(void* const CurrentDescriptor) -{ - if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint) - { - USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor, - USB_Descriptor_Endpoint_t); - - uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK); - - if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) && - !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress))) - { - return DESCRIPTOR_SEARCH_Found; - } - } - else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) - { - return DESCRIPTOR_SEARCH_Fail; - } - - return DESCRIPTOR_SEARCH_NotFound; -} - -static uint8_t RNDIS_SendEncapsulatedCommand(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, - void* Buffer, uint16_t Length) -{ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE), - .bRequest = REQ_SendEncapsulatedCommand, - .wValue = 0, - .wIndex = RNDISInterfaceInfo->State.ControlInterfaceNumber, - .wLength = Length, - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - return USB_Host_SendControlRequest(Buffer); -} - -static uint8_t RNDIS_GetEncapsulatedResponse(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, - void* Buffer, uint16_t Length) -{ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE), - .bRequest = REQ_GetEncapsulatedResponse, - .wValue = 0, - .wIndex = RNDISInterfaceInfo->State.ControlInterfaceNumber, - .wLength = Length, - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - return USB_Host_SendControlRequest(Buffer); -} - -uint8_t RNDIS_Host_SendKeepAlive(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) -{ - uint8_t ErrorCode; - - RNDIS_KeepAlive_Message_t KeepAliveMessage; - RNDIS_KeepAlive_Complete_t KeepAliveMessageResponse; - - KeepAliveMessage.MessageType = REMOTE_NDIS_KEEPALIVE_MSG; - KeepAliveMessage.MessageLength = sizeof(RNDIS_KeepAlive_Message_t); - KeepAliveMessage.RequestId = RNDISInterfaceInfo->State.RequestID++; - - if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &KeepAliveMessage, - sizeof(RNDIS_KeepAlive_Message_t))) != HOST_SENDCONTROL_Successful) - { - return ErrorCode; - } - - if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &KeepAliveMessageResponse, - sizeof(RNDIS_KeepAlive_Complete_t))) != HOST_SENDCONTROL_Successful) - { - return ErrorCode; - } - - return HOST_SENDCONTROL_Successful; -} - -uint8_t RNDIS_Host_InitializeDevice(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) -{ - uint8_t ErrorCode; - - RNDIS_Initialize_Message_t InitMessage; - RNDIS_Initialize_Complete_t InitMessageResponse; - - InitMessage.MessageType = REMOTE_NDIS_INITIALIZE_MSG; - InitMessage.MessageLength = sizeof(RNDIS_Initialize_Message_t); - InitMessage.RequestId = RNDISInterfaceInfo->State.RequestID++; - - InitMessage.MajorVersion = REMOTE_NDIS_VERSION_MAJOR; - InitMessage.MinorVersion = REMOTE_NDIS_VERSION_MINOR; - InitMessage.MaxTransferSize = RNDISInterfaceInfo->Config.HostMaxPacketSize; - - if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &InitMessage, - sizeof(RNDIS_Initialize_Message_t))) != HOST_SENDCONTROL_Successful) - { - return ErrorCode; - } - - if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &InitMessageResponse, - sizeof(RNDIS_Initialize_Complete_t))) != HOST_SENDCONTROL_Successful) - { - return ErrorCode; - } - - if (InitMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS) - return RNDIS_COMMAND_FAILED; - - RNDISInterfaceInfo->State.DeviceMaxPacketSize = InitMessageResponse.MaxTransferSize; - - return HOST_SENDCONTROL_Successful; -} - -uint8_t RNDIS_Host_SetRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, uint32_t Oid, void* Buffer, uint16_t Length) -{ - uint8_t ErrorCode; - - struct - { - RNDIS_Set_Message_t SetMessage; - uint8_t ContigiousBuffer[Length]; - } SetMessageData; - - RNDIS_Set_Complete_t SetMessageResponse; - - SetMessageData.SetMessage.MessageType = REMOTE_NDIS_SET_MSG; - SetMessageData.SetMessage.MessageLength = sizeof(RNDIS_Set_Message_t) + Length; - SetMessageData.SetMessage.RequestId = RNDISInterfaceInfo->State.RequestID++; - - SetMessageData.SetMessage.Oid = Oid; - SetMessageData.SetMessage.InformationBufferLength = Length; - SetMessageData.SetMessage.InformationBufferOffset = (sizeof(RNDIS_Set_Message_t) - sizeof(RNDIS_Message_Header_t)); - SetMessageData.SetMessage.DeviceVcHandle = 0; - - memcpy(&SetMessageData.ContigiousBuffer, Buffer, Length); - - if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &SetMessageData, - SetMessageData.SetMessage.MessageLength)) != HOST_SENDCONTROL_Successful) - { - return ErrorCode; - } - - if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &SetMessageResponse, - sizeof(RNDIS_Set_Complete_t))) != HOST_SENDCONTROL_Successful) - { - return ErrorCode; - } - - if (SetMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS) - return RNDIS_COMMAND_FAILED; - - return HOST_SENDCONTROL_Successful; -} - -uint8_t RNDIS_Host_QueryRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, uint32_t Oid, void* Buffer, uint16_t MaxLength) -{ - uint8_t ErrorCode; - - RNDIS_Query_Message_t QueryMessage; - - struct - { - RNDIS_Query_Complete_t QueryMessageResponse; - uint8_t ContigiousBuffer[MaxLength]; - } QueryMessageResponseData; - - QueryMessage.MessageType = REMOTE_NDIS_QUERY_MSG; - QueryMessage.MessageLength = sizeof(RNDIS_Query_Message_t); - QueryMessage.RequestId = RNDISInterfaceInfo->State.RequestID++; - - QueryMessage.Oid = Oid; - QueryMessage.InformationBufferLength = 0; - QueryMessage.InformationBufferOffset = 0; - QueryMessage.DeviceVcHandle = 0; - - if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &QueryMessage, - sizeof(RNDIS_Query_Message_t))) != HOST_SENDCONTROL_Successful) - { - return ErrorCode; - } - - if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &QueryMessageResponseData, - sizeof(QueryMessageResponseData))) != HOST_SENDCONTROL_Successful) - { - return ErrorCode; - } - - if (QueryMessageResponseData.QueryMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS) - return RNDIS_COMMAND_FAILED; - - memcpy(Buffer, &QueryMessageResponseData.ContigiousBuffer, MaxLength); - - return HOST_SENDCONTROL_Successful; -} - -bool RNDIS_Host_IsPacketReceived(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) -{ - bool PacketWaiting; - - if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive)) - return false; - - Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber); - Pipe_SetPipeToken(PIPE_TOKEN_IN); - - Pipe_Unfreeze(); - - PacketWaiting = Pipe_IsINReceived(); - - Pipe_Freeze(); - - return PacketWaiting; -} - -uint8_t RNDIS_Host_ReadPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, void* Buffer, uint16_t* PacketLength) -{ - uint8_t ErrorCode; - - if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive)) - return PIPE_READYWAIT_DeviceDisconnected; - - Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber); - Pipe_SetPipeToken(PIPE_TOKEN_IN); - Pipe_Unfreeze(); - - if (!(Pipe_IsReadWriteAllowed())) - { - if (Pipe_IsINReceived()) - Pipe_ClearIN(); - - *PacketLength = 0; - Pipe_Freeze(); - return PIPE_RWSTREAM_NoError; - } - - RNDIS_Packet_Message_t DeviceMessage; - - if ((ErrorCode = Pipe_Read_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t), - NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError) - { - return ErrorCode; - } - - *PacketLength = (uint16_t)DeviceMessage.DataLength; - - Pipe_Discard_Stream(DeviceMessage.DataOffset - (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)), - NO_STREAM_CALLBACK); - - Pipe_Read_Stream_LE(Buffer, *PacketLength, NO_STREAM_CALLBACK); - - if (!(Pipe_BytesInPipe())) - Pipe_ClearIN(); - - Pipe_Freeze(); - - return PIPE_RWSTREAM_NoError; -} - -uint8_t RNDIS_Host_SendPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, void* Buffer, uint16_t PacketLength) -{ - uint8_t ErrorCode; - - if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive)) - return PIPE_READYWAIT_DeviceDisconnected; - - RNDIS_Packet_Message_t DeviceMessage; - - memset(&DeviceMessage, 0, sizeof(RNDIS_Packet_Message_t)); - DeviceMessage.MessageType = REMOTE_NDIS_PACKET_MSG; - DeviceMessage.MessageLength = (sizeof(RNDIS_Packet_Message_t) + PacketLength); - DeviceMessage.DataOffset = (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)); - DeviceMessage.DataLength = PacketLength; - - Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber); - Pipe_Unfreeze(); - - if ((ErrorCode = Pipe_Write_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t), - NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError) - { - return ErrorCode; - } - - Pipe_Write_Stream_LE(Buffer, PacketLength, NO_STREAM_CALLBACK); - Pipe_ClearOUT(); - - Pipe_Freeze(); - - return PIPE_RWSTREAM_NoError; -} - -#endif +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2010 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 disclaim 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 "../../HighLevel/USBMode.h" +#if defined(USB_CAN_BE_HOST) + +#define __INCLUDE_FROM_RNDIS_CLASS_HOST_C +#define __INCLUDE_FROM_RNDIS_DRIVER +#include "RNDIS.h" + +uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, uint16_t ConfigDescriptorSize, + void* ConfigDescriptorData) +{ + uint8_t FoundEndpoints = 0; + + memset(&RNDISInterfaceInfo->State, 0x00, sizeof(RNDISInterfaceInfo->State)); + + if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration) + return RNDIS_ENUMERROR_InvalidConfigDescriptor; + + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DComp_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found) + { + return RNDIS_ENUMERROR_NoRNDISInterfaceFound; + } + + RNDISInterfaceInfo->State.ControlInterfaceNumber = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber; + + while (FoundEndpoints != (RNDIS_FOUND_NOTIFICATION_IN | RNDIS_FOUND_DATAPIPE_IN | RNDIS_FOUND_DATAPIPE_OUT)) + { + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DComp_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) + { + if (FoundEndpoints & RNDIS_FOUND_NOTIFICATION_IN) + { + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DComp_RNDIS_Host_NextRNDISDataInterface) != DESCRIPTOR_SEARCH_COMP_Found) + { + return RNDIS_ENUMERROR_NoRNDISInterfaceFound; + } + } + else + { + FoundEndpoints = 0; + + Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber); + Pipe_DisablePipe(); + Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber); + Pipe_DisablePipe(); + Pipe_SelectPipe(RNDISInterfaceInfo->Config.NotificationPipeNumber); + Pipe_DisablePipe(); + + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DComp_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found) + { + return RNDIS_ENUMERROR_NoRNDISInterfaceFound; + } + } + + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DComp_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) + { + return RNDIS_ENUMERROR_EndpointsNotFound; + } + } + + USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t); + + if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT) + { + if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) + { + Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN, + EndpointData->EndpointAddress, EndpointData->EndpointSize, + RNDISInterfaceInfo->Config.NotificationPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); + RNDISInterfaceInfo->State.NotificationPipeSize = EndpointData->EndpointSize; + + Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS); + + FoundEndpoints |= RNDIS_FOUND_NOTIFICATION_IN; + } + } + else + { + if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) + { + Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN, + EndpointData->EndpointAddress, EndpointData->EndpointSize, + RNDISInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); + RNDISInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize; + + FoundEndpoints |= RNDIS_FOUND_DATAPIPE_IN; + } + else + { + Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT, + EndpointData->EndpointAddress, EndpointData->EndpointSize, + RNDISInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); + RNDISInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize; + + FoundEndpoints |= RNDIS_FOUND_DATAPIPE_OUT; + } + } + } + + RNDISInterfaceInfo->State.IsActive = true; + return RNDIS_ENUMERROR_NoError; +} + +static uint8_t DComp_RNDIS_Host_NextRNDISControlInterface(void* const CurrentDescriptor) +{ + if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) + { + USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor, + USB_Descriptor_Interface_t); + + if ((CurrentInterface->Class == RNDIS_CONTROL_CLASS) && + (CurrentInterface->SubClass == RNDIS_CONTROL_SUBCLASS) && + (CurrentInterface->Protocol == RNDIS_CONTROL_PROTOCOL)) + { + return DESCRIPTOR_SEARCH_Found; + } + } + + return DESCRIPTOR_SEARCH_NotFound; +} + +static uint8_t DComp_RNDIS_Host_NextRNDISDataInterface(void* const CurrentDescriptor) +{ + if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) + { + USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor, + USB_Descriptor_Interface_t); + + if ((CurrentInterface->Class == RNDIS_DATA_CLASS) && + (CurrentInterface->SubClass == RNDIS_DATA_SUBCLASS) && + (CurrentInterface->Protocol == RNDIS_DATA_PROTOCOL)) + { + return DESCRIPTOR_SEARCH_Found; + } + } + + return DESCRIPTOR_SEARCH_NotFound; +} + +static uint8_t DComp_RNDIS_Host_NextRNDISInterfaceEndpoint(void* const CurrentDescriptor) +{ + if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint) + { + USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor, + USB_Descriptor_Endpoint_t); + + uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK); + + if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) && + !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress))) + { + return DESCRIPTOR_SEARCH_Found; + } + } + else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) + { + return DESCRIPTOR_SEARCH_Fail; + } + + return DESCRIPTOR_SEARCH_NotFound; +} + +static uint8_t RNDIS_SendEncapsulatedCommand(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, + void* Buffer, uint16_t Length) +{ + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE), + .bRequest = REQ_SendEncapsulatedCommand, + .wValue = 0, + .wIndex = RNDISInterfaceInfo->State.ControlInterfaceNumber, + .wLength = Length, + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + return USB_Host_SendControlRequest(Buffer); +} + +static uint8_t RNDIS_GetEncapsulatedResponse(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, + void* Buffer, uint16_t Length) +{ + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE), + .bRequest = REQ_GetEncapsulatedResponse, + .wValue = 0, + .wIndex = RNDISInterfaceInfo->State.ControlInterfaceNumber, + .wLength = Length, + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + return USB_Host_SendControlRequest(Buffer); +} + +uint8_t RNDIS_Host_SendKeepAlive(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) +{ + uint8_t ErrorCode; + + RNDIS_KeepAlive_Message_t KeepAliveMessage; + RNDIS_KeepAlive_Complete_t KeepAliveMessageResponse; + + KeepAliveMessage.MessageType = REMOTE_NDIS_KEEPALIVE_MSG; + KeepAliveMessage.MessageLength = sizeof(RNDIS_KeepAlive_Message_t); + KeepAliveMessage.RequestId = RNDISInterfaceInfo->State.RequestID++; + + if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &KeepAliveMessage, + sizeof(RNDIS_KeepAlive_Message_t))) != HOST_SENDCONTROL_Successful) + { + return ErrorCode; + } + + if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &KeepAliveMessageResponse, + sizeof(RNDIS_KeepAlive_Complete_t))) != HOST_SENDCONTROL_Successful) + { + return ErrorCode; + } + + return HOST_SENDCONTROL_Successful; +} + +uint8_t RNDIS_Host_InitializeDevice(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) +{ + uint8_t ErrorCode; + + RNDIS_Initialize_Message_t InitMessage; + RNDIS_Initialize_Complete_t InitMessageResponse; + + InitMessage.MessageType = REMOTE_NDIS_INITIALIZE_MSG; + InitMessage.MessageLength = sizeof(RNDIS_Initialize_Message_t); + InitMessage.RequestId = RNDISInterfaceInfo->State.RequestID++; + + InitMessage.MajorVersion = REMOTE_NDIS_VERSION_MAJOR; + InitMessage.MinorVersion = REMOTE_NDIS_VERSION_MINOR; + InitMessage.MaxTransferSize = RNDISInterfaceInfo->Config.HostMaxPacketSize; + + if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &InitMessage, + sizeof(RNDIS_Initialize_Message_t))) != HOST_SENDCONTROL_Successful) + { + return ErrorCode; + } + + if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &InitMessageResponse, + sizeof(RNDIS_Initialize_Complete_t))) != HOST_SENDCONTROL_Successful) + { + return ErrorCode; + } + + if (InitMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS) + return RNDIS_COMMAND_FAILED; + + RNDISInterfaceInfo->State.DeviceMaxPacketSize = InitMessageResponse.MaxTransferSize; + + return HOST_SENDCONTROL_Successful; +} + +uint8_t RNDIS_Host_SetRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, uint32_t Oid, void* Buffer, uint16_t Length) +{ + uint8_t ErrorCode; + + struct + { + RNDIS_Set_Message_t SetMessage; + uint8_t ContigiousBuffer[Length]; + } SetMessageData; + + RNDIS_Set_Complete_t SetMessageResponse; + + SetMessageData.SetMessage.MessageType = REMOTE_NDIS_SET_MSG; + SetMessageData.SetMessage.MessageLength = sizeof(RNDIS_Set_Message_t) + Length; + SetMessageData.SetMessage.RequestId = RNDISInterfaceInfo->State.RequestID++; + + SetMessageData.SetMessage.Oid = Oid; + SetMessageData.SetMessage.InformationBufferLength = Length; + SetMessageData.SetMessage.InformationBufferOffset = (sizeof(RNDIS_Set_Message_t) - sizeof(RNDIS_Message_Header_t)); + SetMessageData.SetMessage.DeviceVcHandle = 0; + + memcpy(&SetMessageData.ContigiousBuffer, Buffer, Length); + + if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &SetMessageData, + SetMessageData.SetMessage.MessageLength)) != HOST_SENDCONTROL_Successful) + { + return ErrorCode; + } + + if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &SetMessageResponse, + sizeof(RNDIS_Set_Complete_t))) != HOST_SENDCONTROL_Successful) + { + return ErrorCode; + } + + if (SetMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS) + return RNDIS_COMMAND_FAILED; + + return HOST_SENDCONTROL_Successful; +} + +uint8_t RNDIS_Host_QueryRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, uint32_t Oid, void* Buffer, uint16_t MaxLength) +{ + uint8_t ErrorCode; + + RNDIS_Query_Message_t QueryMessage; + + struct + { + RNDIS_Query_Complete_t QueryMessageResponse; + uint8_t ContigiousBuffer[MaxLength]; + } QueryMessageResponseData; + + QueryMessage.MessageType = REMOTE_NDIS_QUERY_MSG; + QueryMessage.MessageLength = sizeof(RNDIS_Query_Message_t); + QueryMessage.RequestId = RNDISInterfaceInfo->State.RequestID++; + + QueryMessage.Oid = Oid; + QueryMessage.InformationBufferLength = 0; + QueryMessage.InformationBufferOffset = 0; + QueryMessage.DeviceVcHandle = 0; + + if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &QueryMessage, + sizeof(RNDIS_Query_Message_t))) != HOST_SENDCONTROL_Successful) + { + return ErrorCode; + } + + if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &QueryMessageResponseData, + sizeof(QueryMessageResponseData))) != HOST_SENDCONTROL_Successful) + { + return ErrorCode; + } + + if (QueryMessageResponseData.QueryMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS) + return RNDIS_COMMAND_FAILED; + + memcpy(Buffer, &QueryMessageResponseData.ContigiousBuffer, MaxLength); + + return HOST_SENDCONTROL_Successful; +} + +bool RNDIS_Host_IsPacketReceived(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) +{ + bool PacketWaiting; + + if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive)) + return false; + + Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber); + Pipe_SetPipeToken(PIPE_TOKEN_IN); + + Pipe_Unfreeze(); + + PacketWaiting = Pipe_IsINReceived(); + + Pipe_Freeze(); + + return PacketWaiting; +} + +uint8_t RNDIS_Host_ReadPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, void* Buffer, uint16_t* PacketLength) +{ + uint8_t ErrorCode; + + if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive)) + return PIPE_READYWAIT_DeviceDisconnected; + + Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber); + Pipe_SetPipeToken(PIPE_TOKEN_IN); + Pipe_Unfreeze(); + + if (!(Pipe_IsReadWriteAllowed())) + { + if (Pipe_IsINReceived()) + Pipe_ClearIN(); + + *PacketLength = 0; + Pipe_Freeze(); + return PIPE_RWSTREAM_NoError; + } + + RNDIS_Packet_Message_t DeviceMessage; + + if ((ErrorCode = Pipe_Read_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t), + NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError) + { + return ErrorCode; + } + + *PacketLength = (uint16_t)DeviceMessage.DataLength; + + Pipe_Discard_Stream(DeviceMessage.DataOffset - (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)), + NO_STREAM_CALLBACK); + + Pipe_Read_Stream_LE(Buffer, *PacketLength, NO_STREAM_CALLBACK); + + if (!(Pipe_BytesInPipe())) + Pipe_ClearIN(); + + Pipe_Freeze(); + + return PIPE_RWSTREAM_NoError; +} + +uint8_t RNDIS_Host_SendPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, void* Buffer, uint16_t PacketLength) +{ + uint8_t ErrorCode; + + if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive)) + return PIPE_READYWAIT_DeviceDisconnected; + + RNDIS_Packet_Message_t DeviceMessage; + + memset(&DeviceMessage, 0, sizeof(RNDIS_Packet_Message_t)); + DeviceMessage.MessageType = REMOTE_NDIS_PACKET_MSG; + DeviceMessage.MessageLength = (sizeof(RNDIS_Packet_Message_t) + PacketLength); + DeviceMessage.DataOffset = (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)); + DeviceMessage.DataLength = PacketLength; + + Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber); + Pipe_Unfreeze(); + + if ((ErrorCode = Pipe_Write_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t), + NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError) + { + return ErrorCode; + } + + Pipe_Write_Stream_LE(Buffer, PacketLength, NO_STREAM_CALLBACK); + Pipe_ClearOUT(); + + Pipe_Freeze(); + + return PIPE_RWSTREAM_NoError; +} + +#endif