diff options
Diffstat (limited to 'lib/lufa/LUFA/Drivers/USB/Class/Host/RNDISClassHost.c')
| -rw-r--r-- | lib/lufa/LUFA/Drivers/USB/Class/Host/RNDISClassHost.c | 476 |
1 files changed, 476 insertions, 0 deletions
diff --git a/lib/lufa/LUFA/Drivers/USB/Class/Host/RNDISClassHost.c b/lib/lufa/LUFA/Drivers/USB/Class/Host/RNDISClassHost.c new file mode 100644 index 000000000..6fb09fdab --- /dev/null +++ b/lib/lufa/LUFA/Drivers/USB/Class/Host/RNDISClassHost.c @@ -0,0 +1,476 @@ +/* + 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_HOST) + +#define __INCLUDE_FROM_RNDIS_DRIVER +#define __INCLUDE_FROM_RNDIS_HOST_C +#include "RNDISClassHost.h" + +uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, + uint16_t ConfigDescriptorSize, + void* ConfigDescriptorData) +{ + USB_Descriptor_Endpoint_t* DataINEndpoint = NULL; + USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL; + USB_Descriptor_Endpoint_t* NotificationEndpoint = NULL; + USB_Descriptor_Interface_t* RNDISControlInterface = NULL; + + memset(&RNDISInterfaceInfo->State, 0x00, sizeof(RNDISInterfaceInfo->State)); + + if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration) + return RNDIS_ENUMERROR_InvalidConfigDescriptor; + + RNDISControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t); + + while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(NotificationEndpoint)) + { + if (!(RNDISControlInterface) || + USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) + { + if (NotificationEndpoint) + { + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DCOMP_RNDIS_Host_NextRNDISDataInterface) != DESCRIPTOR_SEARCH_COMP_Found) + { + return RNDIS_ENUMERROR_NoCompatibleInterfaceFound; + } + + DataINEndpoint = NULL; + DataOUTEndpoint = NULL; + } + else + { + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DCOMP_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found) + { + return RNDIS_ENUMERROR_NoCompatibleInterfaceFound; + } + + RNDISControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t); + + NotificationEndpoint = NULL; + } + + continue; + } + + USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t); + + if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN) + { + if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT) + NotificationEndpoint = EndpointData; + else + DataINEndpoint = EndpointData; + } + else + { + DataOUTEndpoint = EndpointData; + } + } + + RNDISInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize); + RNDISInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress; + RNDISInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_BULK; + + RNDISInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize); + RNDISInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress; + RNDISInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK; + + RNDISInterfaceInfo->Config.NotificationPipe.Size = le16_to_cpu(NotificationEndpoint->EndpointSize); + RNDISInterfaceInfo->Config.NotificationPipe.EndpointAddress = NotificationEndpoint->EndpointAddress; + RNDISInterfaceInfo->Config.NotificationPipe.Type = EP_TYPE_INTERRUPT; + + if (!(Pipe_ConfigurePipeTable(&RNDISInterfaceInfo->Config.DataINPipe, 1))) + return RNDIS_ENUMERROR_PipeConfigurationFailed; + + if (!(Pipe_ConfigurePipeTable(&RNDISInterfaceInfo->Config.DataOUTPipe, 1))) + return RNDIS_ENUMERROR_PipeConfigurationFailed; + + if (!(Pipe_ConfigurePipeTable(&RNDISInterfaceInfo->Config.NotificationPipe, 1))) + return RNDIS_ENUMERROR_PipeConfigurationFailed; + + RNDISInterfaceInfo->State.ControlInterfaceNumber = RNDISControlInterface->InterfaceNumber; + RNDISInterfaceInfo->State.IsActive = true; + + return RNDIS_ENUMERROR_NoError; +} + +static uint8_t DCOMP_RNDIS_Host_NextRNDISControlInterface(void* const CurrentDescriptor) +{ + USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t); + + if (Header->Type == DTYPE_Interface) + { + USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t); + + if ((Interface->Class == CDC_CSCP_CDCClass) && + (Interface->SubClass == CDC_CSCP_ACMSubclass) && + (Interface->Protocol == CDC_CSCP_VendorSpecificProtocol)) + { + return DESCRIPTOR_SEARCH_Found; + } + } + + return DESCRIPTOR_SEARCH_NotFound; +} + +static uint8_t DCOMP_RNDIS_Host_NextRNDISDataInterface(void* const CurrentDescriptor) +{ + USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t); + + if (Header->Type == DTYPE_Interface) + { + USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, + USB_Descriptor_Interface_t); + + if ((Interface->Class == CDC_CSCP_CDCDataClass) && + (Interface->SubClass == CDC_CSCP_NoDataSubclass) && + (Interface->Protocol == CDC_CSCP_NoDataProtocol)) + { + return DESCRIPTOR_SEARCH_Found; + } + } + + return DESCRIPTOR_SEARCH_NotFound; +} + +static uint8_t DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint(void* const CurrentDescriptor) +{ + USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t); + + if (Header->Type == DTYPE_Endpoint) + { + USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t); + + uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK); + + if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) && + !(Pipe_IsEndpointBound(Endpoint->EndpointAddress))) + { + return DESCRIPTOR_SEARCH_Found; + } + } + else if (Header->Type == DTYPE_Interface) + { + return DESCRIPTOR_SEARCH_Fail; + } + + return DESCRIPTOR_SEARCH_NotFound; +} + +static uint8_t RNDIS_SendEncapsulatedCommand(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, + void* Buffer, + const uint16_t Length) +{ + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE), + .bRequest = RNDIS_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, + const uint16_t Length) +{ + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE), + .bRequest = RNDIS_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 = CPU_TO_LE32(REMOTE_NDIS_KEEPALIVE_MSG); + KeepAliveMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_KeepAlive_Message_t)); + KeepAliveMessage.RequestId = cpu_to_le32(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 = CPU_TO_LE32(REMOTE_NDIS_INITIALIZE_MSG); + InitMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_Initialize_Message_t)); + InitMessage.RequestId = cpu_to_le32(RNDISInterfaceInfo->State.RequestID++); + + InitMessage.MajorVersion = CPU_TO_LE32(REMOTE_NDIS_VERSION_MAJOR); + InitMessage.MinorVersion = CPU_TO_LE32(REMOTE_NDIS_VERSION_MINOR); + InitMessage.MaxTransferSize = cpu_to_le32(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 != CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS)) + return RNDIS_ERROR_LOGICAL_CMD_FAILED; + + RNDISInterfaceInfo->State.DeviceMaxPacketSize = le32_to_cpu(InitMessageResponse.MaxTransferSize); + + return HOST_SENDCONTROL_Successful; +} + +uint8_t RNDIS_Host_SetRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, + const uint32_t Oid, + void* Buffer, + const uint16_t Length) +{ + uint8_t ErrorCode; + + struct + { + RNDIS_Set_Message_t SetMessage; + uint8_t ContiguousBuffer[Length]; + } SetMessageData; + + RNDIS_Set_Complete_t SetMessageResponse; + + SetMessageData.SetMessage.MessageType = CPU_TO_LE32(REMOTE_NDIS_SET_MSG); + SetMessageData.SetMessage.MessageLength = cpu_to_le32(sizeof(RNDIS_Set_Message_t) + Length); + SetMessageData.SetMessage.RequestId = cpu_to_le32(RNDISInterfaceInfo->State.RequestID++); + + SetMessageData.SetMessage.Oid = cpu_to_le32(Oid); + SetMessageData.SetMessage.InformationBufferLength = cpu_to_le32(Length); + SetMessageData.SetMessage.InformationBufferOffset = CPU_TO_LE32(sizeof(RNDIS_Set_Message_t) - sizeof(RNDIS_Message_Header_t)); + SetMessageData.SetMessage.DeviceVcHandle = CPU_TO_LE32(0); + + memcpy(&SetMessageData.ContiguousBuffer, Buffer, Length); + + if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &SetMessageData, + (sizeof(RNDIS_Set_Message_t) + Length))) != HOST_SENDCONTROL_Successful) + { + return ErrorCode; + } + + if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &SetMessageResponse, + sizeof(RNDIS_Set_Complete_t))) != HOST_SENDCONTROL_Successful) + { + return ErrorCode; + } + + if (SetMessageResponse.Status != CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS)) + return RNDIS_ERROR_LOGICAL_CMD_FAILED; + + return HOST_SENDCONTROL_Successful; +} + +uint8_t RNDIS_Host_QueryRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, + const uint32_t Oid, + void* Buffer, + const uint16_t MaxLength) +{ + uint8_t ErrorCode; + + RNDIS_Query_Message_t QueryMessage; + + struct + { + RNDIS_Query_Complete_t QueryMessageResponse; + uint8_t ContiguousBuffer[MaxLength]; + } QueryMessageResponseData; + + QueryMessage.MessageType = CPU_TO_LE32(REMOTE_NDIS_QUERY_MSG); + QueryMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_Query_Message_t)); + QueryMessage.RequestId = cpu_to_le32(RNDISInterfaceInfo->State.RequestID++); + + QueryMessage.Oid = cpu_to_le32(Oid); + QueryMessage.InformationBufferLength = CPU_TO_LE32(0); + QueryMessage.InformationBufferOffset = CPU_TO_LE32(0); + QueryMessage.DeviceVcHandle = CPU_TO_LE32(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 != CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS)) + return RNDIS_ERROR_LOGICAL_CMD_FAILED; + + memcpy(Buffer, &QueryMessageResponseData.ContiguousBuffer, 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.DataINPipe.Address); + + 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* const PacketLength) +{ + uint8_t ErrorCode; + + if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive)) + return PIPE_READYWAIT_DeviceDisconnected; + + Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipe.Address); + 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), + NULL)) != PIPE_RWSTREAM_NoError) + { + return ErrorCode; + } + + *PacketLength = (uint16_t)le32_to_cpu(DeviceMessage.DataLength); + + Pipe_Discard_Stream(le32_to_cpu(DeviceMessage.DataOffset) - + (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)), + NULL); + + Pipe_Read_Stream_LE(Buffer, *PacketLength, NULL); + + 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, + const 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 = CPU_TO_LE32(REMOTE_NDIS_PACKET_MSG); + DeviceMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_Packet_Message_t) + PacketLength); + DeviceMessage.DataOffset = CPU_TO_LE32(sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)); + DeviceMessage.DataLength = cpu_to_le32(PacketLength); + + Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipe.Address); + Pipe_Unfreeze(); + + if ((ErrorCode = Pipe_Write_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t), + NULL)) != PIPE_RWSTREAM_NoError) + { + return ErrorCode; + } + + Pipe_Write_Stream_LE(Buffer, PacketLength, NULL); + Pipe_ClearOUT(); + + Pipe_Freeze(); + + return PIPE_RWSTREAM_NoError; +} + +#endif + |