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513 lines
17 KiB
513 lines
17 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2011.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2011 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 "../../Core/USBMode.h"
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#if defined(USB_CAN_BE_HOST)
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#define __INCLUDE_FROM_RNDIS_DRIVER
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#define __INCLUDE_FROM_RNDIS_HOST_C
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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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USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
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USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
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USB_Descriptor_Endpoint_t* NotificationEndpoint = NULL;
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USB_Descriptor_Interface_t* RNDISControlInterface = NULL;
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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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RNDISControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
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while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(NotificationEndpoint))
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{
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if (!(RNDISControlInterface) ||
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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 (NotificationEndpoint)
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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_NoCompatibleInterfaceFound;
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}
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DataINEndpoint = NULL;
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DataOUTEndpoint = NULL;
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}
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else
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{
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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_NoCompatibleInterfaceFound;
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}
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RNDISControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
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NotificationEndpoint = NULL;
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}
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continue;
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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->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
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{
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if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
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NotificationEndpoint = EndpointData;
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else
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DataINEndpoint = EndpointData;
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}
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else
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{
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DataOUTEndpoint = EndpointData;
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}
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}
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for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++)
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{
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uint16_t Size;
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uint8_t Type;
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uint8_t Token;
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uint8_t EndpointAddress;
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uint8_t InterruptPeriod;
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bool DoubleBanked;
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if (PipeNum == RNDISInterfaceInfo->Config.DataINPipeNumber)
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{
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Size = le16_to_cpu(DataINEndpoint->EndpointSize);
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EndpointAddress = DataINEndpoint->EndpointAddress;
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Token = PIPE_TOKEN_IN;
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Type = EP_TYPE_BULK;
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DoubleBanked = RNDISInterfaceInfo->Config.DataINPipeDoubleBank;
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InterruptPeriod = 0;
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RNDISInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;
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}
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else if (PipeNum == RNDISInterfaceInfo->Config.DataOUTPipeNumber)
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{
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Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
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EndpointAddress = DataOUTEndpoint->EndpointAddress;
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Token = PIPE_TOKEN_OUT;
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Type = EP_TYPE_BULK;
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DoubleBanked = RNDISInterfaceInfo->Config.DataOUTPipeDoubleBank;
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InterruptPeriod = 0;
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RNDISInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize;
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}
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else if (PipeNum == RNDISInterfaceInfo->Config.NotificationPipeNumber)
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{
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Size = le16_to_cpu(NotificationEndpoint->EndpointSize);
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EndpointAddress = NotificationEndpoint->EndpointAddress;
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Token = PIPE_TOKEN_IN;
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Type = EP_TYPE_INTERRUPT;
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DoubleBanked = RNDISInterfaceInfo->Config.NotificationPipeDoubleBank;
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InterruptPeriod = NotificationEndpoint->PollingIntervalMS;
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RNDISInterfaceInfo->State.NotificationPipeSize = NotificationEndpoint->EndpointSize;
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}
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else
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{
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continue;
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}
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if (!(Pipe_ConfigurePipe(PipeNum, Type, Token, EndpointAddress, Size,
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DoubleBanked ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE)))
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{
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return CDC_ENUMERROR_PipeConfigurationFailed;
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}
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if (InterruptPeriod)
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Pipe_SetInterruptPeriod(InterruptPeriod);
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}
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RNDISInterfaceInfo->State.ControlInterfaceNumber = RNDISControlInterface->InterfaceNumber;
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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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USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
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if (Header->Type == DTYPE_Interface)
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{
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USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
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if ((Interface->Class == CDC_CSCP_CDCClass) &&
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(Interface->SubClass == CDC_CSCP_ACMSubclass) &&
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(Interface->Protocol == CDC_CSCP_VendorSpecificProtocol))
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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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USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
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if (Header->Type == DTYPE_Interface)
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{
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USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor,
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USB_Descriptor_Interface_t);
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if ((Interface->Class == CDC_CSCP_CDCDataClass) &&
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(Interface->SubClass == CDC_CSCP_NoDataSubclass) &&
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(Interface->Protocol == CDC_CSCP_NoDataProtocol))
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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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USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
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if (Header->Type == DTYPE_Endpoint)
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{
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USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
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uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
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if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&
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!(Pipe_IsEndpointBound(Endpoint->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 (Header->Type == 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 = RNDIS_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 = RNDIS_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 = CPU_TO_LE32(REMOTE_NDIS_KEEPALIVE_MSG);
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KeepAliveMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_KeepAlive_Message_t));
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KeepAliveMessage.RequestId = cpu_to_le32(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 = CPU_TO_LE32(REMOTE_NDIS_INITIALIZE_MSG);
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InitMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_Initialize_Message_t));
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InitMessage.RequestId = cpu_to_le32(RNDISInterfaceInfo->State.RequestID++);
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InitMessage.MajorVersion = CPU_TO_LE32(REMOTE_NDIS_VERSION_MAJOR);
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InitMessage.MinorVersion = CPU_TO_LE32(REMOTE_NDIS_VERSION_MINOR);
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InitMessage.MaxTransferSize = cpu_to_le32(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 != CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS))
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return RNDIS_ERROR_LOGICAL_CMD_FAILED;
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RNDISInterfaceInfo->State.DeviceMaxPacketSize = le32_to_cpu(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 = CPU_TO_LE32(REMOTE_NDIS_SET_MSG);
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SetMessageData.SetMessage.MessageLength = cpu_to_le32(sizeof(RNDIS_Set_Message_t) + Length);
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SetMessageData.SetMessage.RequestId = cpu_to_le32(RNDISInterfaceInfo->State.RequestID++);
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SetMessageData.SetMessage.Oid = cpu_to_le32(Oid);
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SetMessageData.SetMessage.InformationBufferLength = cpu_to_le32(Length);
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SetMessageData.SetMessage.InformationBufferOffset = CPU_TO_LE32(sizeof(RNDIS_Set_Message_t) - sizeof(RNDIS_Message_Header_t));
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SetMessageData.SetMessage.DeviceVcHandle = CPU_TO_LE32(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 != CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS))
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return RNDIS_ERROR_LOGICAL_CMD_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 = CPU_TO_LE32(REMOTE_NDIS_QUERY_MSG);
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QueryMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_Query_Message_t));
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QueryMessage.RequestId = cpu_to_le32(RNDISInterfaceInfo->State.RequestID++);
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QueryMessage.Oid = cpu_to_le32(Oid);
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QueryMessage.InformationBufferLength = CPU_TO_LE32(0);
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QueryMessage.InformationBufferOffset = CPU_TO_LE32(0);
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QueryMessage.DeviceVcHandle = CPU_TO_LE32(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 != CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS))
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return RNDIS_ERROR_LOGICAL_CMD_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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NULL)) != PIPE_RWSTREAM_NoError)
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{
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return ErrorCode;
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}
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*PacketLength = (uint16_t)le32_to_cpu(DeviceMessage.DataLength);
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Pipe_Discard_Stream(DeviceMessage.DataOffset -
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(sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)),
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NULL);
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Pipe_Read_Stream_LE(Buffer, *PacketLength, NULL);
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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 = CPU_TO_LE32(REMOTE_NDIS_PACKET_MSG);
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DeviceMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_Packet_Message_t) + PacketLength);
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DeviceMessage.DataOffset = CPU_TO_LE32(sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t));
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DeviceMessage.DataLength = cpu_to_le32(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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|
NULL)) != 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, NULL);
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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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