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476 lines
16 KiB
476 lines
16 KiB
/* |
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LUFA Library |
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Copyright (C) Dean Camera, 2010. |
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dean [at] fourwalledcubicle [dot] com |
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www.fourwalledcubicle.com |
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*/ |
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/* |
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Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) |
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Permission to use, copy, modify, distribute, and sell this |
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software and its documentation for any purpose is hereby granted |
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without fee, provided that the above copyright notice appear in |
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all copies and that both that the copyright notice and this |
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permission notice and warranty disclaimer appear in supporting |
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documentation, and that the name of the author not be used in |
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advertising or publicity pertaining to distribution of the |
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software without specific, written prior permission. |
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The author disclaim all warranties with regard to this |
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software, including all implied warranties of merchantability |
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and fitness. In no event shall the author be liable for any |
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special, indirect or consequential damages or any damages |
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whatsoever resulting from loss of use, data or profits, whether |
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in an action of contract, negligence or other tortious action, |
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arising out of or in connection with the use or performance of |
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this software. |
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*/ |
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#define __INCLUDE_FROM_USB_DRIVER |
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#include "../../HighLevel/USBMode.h" |
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#if defined(USB_CAN_BE_HOST) |
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#define __INCLUDE_FROM_RNDIS_CLASS_HOST_C |
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#define __INCLUDE_FROM_RNDIS_DRIVER |
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#include "RNDIS.h" |
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uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, |
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uint16_t ConfigDescriptorSize, |
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void* ConfigDescriptorData) |
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{ |
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uint8_t FoundEndpoints = 0; |
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memset(&RNDISInterfaceInfo->State, 0x00, sizeof(RNDISInterfaceInfo->State)); |
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if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration) |
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return RNDIS_ENUMERROR_InvalidConfigDescriptor; |
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, |
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DCOMP_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found) |
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{ |
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return RNDIS_ENUMERROR_NoRNDISInterfaceFound; |
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} |
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RNDISInterfaceInfo->State.ControlInterfaceNumber = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber; |
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while (FoundEndpoints != (RNDIS_FOUND_NOTIFICATION_IN | RNDIS_FOUND_DATAPIPE_IN | RNDIS_FOUND_DATAPIPE_OUT)) |
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{ |
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, |
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DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) |
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{ |
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if (FoundEndpoints & RNDIS_FOUND_NOTIFICATION_IN) |
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{ |
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, |
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DCOMP_RNDIS_Host_NextRNDISDataInterface) != DESCRIPTOR_SEARCH_COMP_Found) |
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{ |
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return RNDIS_ENUMERROR_NoRNDISInterfaceFound; |
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} |
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} |
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else |
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{ |
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FoundEndpoints = 0; |
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Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber); |
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Pipe_DisablePipe(); |
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Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber); |
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Pipe_DisablePipe(); |
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Pipe_SelectPipe(RNDISInterfaceInfo->Config.NotificationPipeNumber); |
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Pipe_DisablePipe(); |
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, |
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DCOMP_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found) |
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{ |
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return RNDIS_ENUMERROR_NoRNDISInterfaceFound; |
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} |
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} |
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, |
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DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) |
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{ |
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return RNDIS_ENUMERROR_EndpointsNotFound; |
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} |
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} |
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USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t); |
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if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT) |
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{ |
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if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) |
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{ |
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Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN, |
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EndpointData->EndpointAddress, EndpointData->EndpointSize, |
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RNDISInterfaceInfo->Config.NotificationPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); |
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RNDISInterfaceInfo->State.NotificationPipeSize = EndpointData->EndpointSize; |
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Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS); |
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FoundEndpoints |= RNDIS_FOUND_NOTIFICATION_IN; |
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} |
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} |
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else |
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{ |
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if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) |
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{ |
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Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN, |
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EndpointData->EndpointAddress, EndpointData->EndpointSize, |
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RNDISInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); |
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RNDISInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize; |
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FoundEndpoints |= RNDIS_FOUND_DATAPIPE_IN; |
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} |
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else |
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{ |
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Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT, |
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EndpointData->EndpointAddress, EndpointData->EndpointSize, |
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RNDISInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); |
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RNDISInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize; |
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FoundEndpoints |= RNDIS_FOUND_DATAPIPE_OUT; |
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} |
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} |
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} |
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RNDISInterfaceInfo->State.IsActive = true; |
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return RNDIS_ENUMERROR_NoError; |
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} |
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static uint8_t DCOMP_RNDIS_Host_NextRNDISControlInterface(void* const CurrentDescriptor) |
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{ |
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if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) |
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{ |
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USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor, |
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USB_Descriptor_Interface_t); |
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if ((CurrentInterface->Class == RNDIS_CONTROL_CLASS) && |
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(CurrentInterface->SubClass == RNDIS_CONTROL_SUBCLASS) && |
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(CurrentInterface->Protocol == RNDIS_CONTROL_PROTOCOL)) |
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{ |
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return DESCRIPTOR_SEARCH_Found; |
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} |
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} |
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return DESCRIPTOR_SEARCH_NotFound; |
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} |
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static uint8_t DCOMP_RNDIS_Host_NextRNDISDataInterface(void* const CurrentDescriptor) |
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{ |
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if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) |
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{ |
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USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor, |
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USB_Descriptor_Interface_t); |
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if ((CurrentInterface->Class == RNDIS_DATA_CLASS) && |
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(CurrentInterface->SubClass == RNDIS_DATA_SUBCLASS) && |
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(CurrentInterface->Protocol == RNDIS_DATA_PROTOCOL)) |
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{ |
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return DESCRIPTOR_SEARCH_Found; |
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} |
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} |
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return DESCRIPTOR_SEARCH_NotFound; |
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} |
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static uint8_t DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint(void* const CurrentDescriptor) |
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{ |
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if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint) |
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{ |
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USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor, |
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USB_Descriptor_Endpoint_t); |
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uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK); |
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if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) && |
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!(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress))) |
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{ |
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return DESCRIPTOR_SEARCH_Found; |
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} |
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} |
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else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) |
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{ |
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return DESCRIPTOR_SEARCH_Fail; |
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} |
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return DESCRIPTOR_SEARCH_NotFound; |
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} |
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static uint8_t RNDIS_SendEncapsulatedCommand(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, |
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void* Buffer, |
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const uint16_t Length) |
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{ |
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USB_ControlRequest = (USB_Request_Header_t) |
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{ |
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.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE), |
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.bRequest = REQ_SendEncapsulatedCommand, |
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.wValue = 0, |
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.wIndex = RNDISInterfaceInfo->State.ControlInterfaceNumber, |
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.wLength = Length, |
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}; |
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Pipe_SelectPipe(PIPE_CONTROLPIPE); |
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return USB_Host_SendControlRequest(Buffer); |
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} |
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static uint8_t RNDIS_GetEncapsulatedResponse(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, |
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void* Buffer, |
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const uint16_t Length) |
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{ |
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USB_ControlRequest = (USB_Request_Header_t) |
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{ |
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.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE), |
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.bRequest = REQ_GetEncapsulatedResponse, |
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.wValue = 0, |
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.wIndex = RNDISInterfaceInfo->State.ControlInterfaceNumber, |
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.wLength = Length, |
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}; |
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Pipe_SelectPipe(PIPE_CONTROLPIPE); |
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return USB_Host_SendControlRequest(Buffer); |
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} |
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uint8_t RNDIS_Host_SendKeepAlive(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) |
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{ |
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uint8_t ErrorCode; |
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RNDIS_KeepAlive_Message_t KeepAliveMessage; |
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RNDIS_KeepAlive_Complete_t KeepAliveMessageResponse; |
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KeepAliveMessage.MessageType = REMOTE_NDIS_KEEPALIVE_MSG; |
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KeepAliveMessage.MessageLength = sizeof(RNDIS_KeepAlive_Message_t); |
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KeepAliveMessage.RequestId = RNDISInterfaceInfo->State.RequestID++; |
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if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &KeepAliveMessage, |
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sizeof(RNDIS_KeepAlive_Message_t))) != HOST_SENDCONTROL_Successful) |
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{ |
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return ErrorCode; |
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} |
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if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &KeepAliveMessageResponse, |
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sizeof(RNDIS_KeepAlive_Complete_t))) != HOST_SENDCONTROL_Successful) |
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{ |
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return ErrorCode; |
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} |
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return HOST_SENDCONTROL_Successful; |
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} |
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uint8_t RNDIS_Host_InitializeDevice(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) |
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{ |
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uint8_t ErrorCode; |
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RNDIS_Initialize_Message_t InitMessage; |
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RNDIS_Initialize_Complete_t InitMessageResponse; |
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InitMessage.MessageType = REMOTE_NDIS_INITIALIZE_MSG; |
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InitMessage.MessageLength = sizeof(RNDIS_Initialize_Message_t); |
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InitMessage.RequestId = RNDISInterfaceInfo->State.RequestID++; |
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InitMessage.MajorVersion = REMOTE_NDIS_VERSION_MAJOR; |
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InitMessage.MinorVersion = REMOTE_NDIS_VERSION_MINOR; |
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InitMessage.MaxTransferSize = RNDISInterfaceInfo->Config.HostMaxPacketSize; |
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if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &InitMessage, |
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sizeof(RNDIS_Initialize_Message_t))) != HOST_SENDCONTROL_Successful) |
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{ |
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return ErrorCode; |
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} |
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if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &InitMessageResponse, |
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sizeof(RNDIS_Initialize_Complete_t))) != HOST_SENDCONTROL_Successful) |
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{ |
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return ErrorCode; |
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} |
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if (InitMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS) |
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return RNDIS_COMMAND_FAILED; |
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RNDISInterfaceInfo->State.DeviceMaxPacketSize = InitMessageResponse.MaxTransferSize; |
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return HOST_SENDCONTROL_Successful; |
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} |
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uint8_t RNDIS_Host_SetRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, |
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const uint32_t Oid, |
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void* Buffer, |
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const uint16_t Length) |
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{ |
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uint8_t ErrorCode; |
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struct |
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{ |
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RNDIS_Set_Message_t SetMessage; |
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uint8_t ContiguousBuffer[Length]; |
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} SetMessageData; |
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RNDIS_Set_Complete_t SetMessageResponse; |
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SetMessageData.SetMessage.MessageType = REMOTE_NDIS_SET_MSG; |
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SetMessageData.SetMessage.MessageLength = sizeof(RNDIS_Set_Message_t) + Length; |
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SetMessageData.SetMessage.RequestId = RNDISInterfaceInfo->State.RequestID++; |
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SetMessageData.SetMessage.Oid = Oid; |
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SetMessageData.SetMessage.InformationBufferLength = Length; |
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SetMessageData.SetMessage.InformationBufferOffset = (sizeof(RNDIS_Set_Message_t) - sizeof(RNDIS_Message_Header_t)); |
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SetMessageData.SetMessage.DeviceVcHandle = 0; |
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memcpy(&SetMessageData.ContiguousBuffer, Buffer, Length); |
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if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &SetMessageData, |
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SetMessageData.SetMessage.MessageLength)) != HOST_SENDCONTROL_Successful) |
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{ |
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return ErrorCode; |
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} |
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if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &SetMessageResponse, |
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sizeof(RNDIS_Set_Complete_t))) != HOST_SENDCONTROL_Successful) |
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{ |
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return ErrorCode; |
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} |
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if (SetMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS) |
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return RNDIS_COMMAND_FAILED; |
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return HOST_SENDCONTROL_Successful; |
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} |
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uint8_t RNDIS_Host_QueryRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, |
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const uint32_t Oid, |
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void* Buffer, |
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const uint16_t MaxLength) |
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{ |
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uint8_t ErrorCode; |
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RNDIS_Query_Message_t QueryMessage; |
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struct |
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{ |
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RNDIS_Query_Complete_t QueryMessageResponse; |
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uint8_t ContiguousBuffer[MaxLength]; |
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} QueryMessageResponseData; |
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QueryMessage.MessageType = REMOTE_NDIS_QUERY_MSG; |
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QueryMessage.MessageLength = sizeof(RNDIS_Query_Message_t); |
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QueryMessage.RequestId = RNDISInterfaceInfo->State.RequestID++; |
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QueryMessage.Oid = Oid; |
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QueryMessage.InformationBufferLength = 0; |
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QueryMessage.InformationBufferOffset = 0; |
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QueryMessage.DeviceVcHandle = 0; |
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if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &QueryMessage, |
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sizeof(RNDIS_Query_Message_t))) != HOST_SENDCONTROL_Successful) |
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{ |
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return ErrorCode; |
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} |
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if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &QueryMessageResponseData, |
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sizeof(QueryMessageResponseData))) != HOST_SENDCONTROL_Successful) |
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{ |
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return ErrorCode; |
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} |
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if (QueryMessageResponseData.QueryMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS) |
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return RNDIS_COMMAND_FAILED; |
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memcpy(Buffer, &QueryMessageResponseData.ContiguousBuffer, MaxLength); |
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return HOST_SENDCONTROL_Successful; |
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} |
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bool RNDIS_Host_IsPacketReceived(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) |
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{ |
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bool PacketWaiting; |
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if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive)) |
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return false; |
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Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber); |
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Pipe_Unfreeze(); |
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PacketWaiting = Pipe_IsINReceived(); |
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Pipe_Freeze(); |
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return PacketWaiting; |
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} |
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uint8_t RNDIS_Host_ReadPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, |
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void* Buffer, |
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uint16_t* const PacketLength) |
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{ |
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uint8_t ErrorCode; |
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if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive)) |
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return PIPE_READYWAIT_DeviceDisconnected; |
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Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber); |
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Pipe_Unfreeze(); |
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if (!(Pipe_IsReadWriteAllowed())) |
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{ |
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if (Pipe_IsINReceived()) |
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Pipe_ClearIN(); |
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*PacketLength = 0; |
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Pipe_Freeze(); |
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return PIPE_RWSTREAM_NoError; |
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} |
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RNDIS_Packet_Message_t DeviceMessage; |
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if ((ErrorCode = Pipe_Read_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t), |
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NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError) |
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{ |
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return ErrorCode; |
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} |
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*PacketLength = (uint16_t)DeviceMessage.DataLength; |
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Pipe_Discard_Stream(DeviceMessage.DataOffset - (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)), |
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NO_STREAM_CALLBACK); |
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Pipe_Read_Stream_LE(Buffer, *PacketLength, NO_STREAM_CALLBACK); |
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if (!(Pipe_BytesInPipe())) |
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Pipe_ClearIN(); |
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Pipe_Freeze(); |
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return PIPE_RWSTREAM_NoError; |
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} |
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uint8_t RNDIS_Host_SendPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, |
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void* Buffer, |
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const uint16_t PacketLength) |
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{ |
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uint8_t ErrorCode; |
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if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive)) |
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return PIPE_READYWAIT_DeviceDisconnected; |
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RNDIS_Packet_Message_t DeviceMessage; |
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memset(&DeviceMessage, 0, sizeof(RNDIS_Packet_Message_t)); |
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DeviceMessage.MessageType = REMOTE_NDIS_PACKET_MSG; |
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DeviceMessage.MessageLength = (sizeof(RNDIS_Packet_Message_t) + PacketLength); |
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DeviceMessage.DataOffset = (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)); |
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DeviceMessage.DataLength = PacketLength; |
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Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber); |
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Pipe_Unfreeze(); |
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if ((ErrorCode = Pipe_Write_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t), |
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NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError) |
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{ |
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return ErrorCode; |
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} |
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Pipe_Write_Stream_LE(Buffer, PacketLength, NO_STREAM_CALLBACK); |
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Pipe_ClearOUT(); |
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Pipe_Freeze(); |
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return PIPE_RWSTREAM_NoError; |
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} |
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#endif
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