f1076ac4d6
Added parameter directions to function parameter documentation. Added new experimental FAST_STREAM_FUNCTIONS compile time option to speed up stream transfers at the expense of a higher FLASH consumption (needs testing to verify improved throughput).
466 lines
17 KiB
C
466 lines
17 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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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 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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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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#include "../../HighLevel/USBMode.h"
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#if defined(USB_CAN_BE_DEVICE)
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#define INCLUDE_FROM_RNDIS_CLASS_DEVICE_C
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#include "RNDIS.h"
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static const uint32_t PROGMEM AdapterSupportedOIDList[] =
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{
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OID_GEN_SUPPORTED_LIST,
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OID_GEN_PHYSICAL_MEDIUM,
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OID_GEN_HARDWARE_STATUS,
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OID_GEN_MEDIA_SUPPORTED,
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OID_GEN_MEDIA_IN_USE,
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OID_GEN_MAXIMUM_FRAME_SIZE,
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OID_GEN_MAXIMUM_TOTAL_SIZE,
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OID_GEN_LINK_SPEED,
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OID_GEN_TRANSMIT_BLOCK_SIZE,
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OID_GEN_RECEIVE_BLOCK_SIZE,
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OID_GEN_VENDOR_ID,
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OID_GEN_VENDOR_DESCRIPTION,
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OID_GEN_CURRENT_PACKET_FILTER,
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OID_GEN_MAXIMUM_TOTAL_SIZE,
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OID_GEN_MEDIA_CONNECT_STATUS,
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OID_GEN_XMIT_OK,
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OID_GEN_RCV_OK,
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OID_GEN_XMIT_ERROR,
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OID_GEN_RCV_ERROR,
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OID_GEN_RCV_NO_BUFFER,
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OID_802_3_PERMANENT_ADDRESS,
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OID_802_3_CURRENT_ADDRESS,
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OID_802_3_MULTICAST_LIST,
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OID_802_3_MAXIMUM_LIST_SIZE,
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OID_802_3_RCV_ERROR_ALIGNMENT,
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OID_802_3_XMIT_ONE_COLLISION,
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OID_802_3_XMIT_MORE_COLLISIONS,
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};
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void RNDIS_Device_ProcessControlPacket(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
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{
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if (!(Endpoint_IsSETUPReceived()))
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return;
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if (USB_ControlRequest.wIndex != RNDISInterfaceInfo->Config.ControlInterfaceNumber)
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return;
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switch (USB_ControlRequest.bRequest)
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{
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case REQ_SendEncapsulatedCommand:
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if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
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{
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Endpoint_ClearSETUP();
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Endpoint_Read_Control_Stream_LE(RNDISInterfaceInfo->State.RNDISMessageBuffer, USB_ControlRequest.wLength);
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Endpoint_ClearIN();
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RNDIS_Device_ProcessRNDISControlMessage(RNDISInterfaceInfo);
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}
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break;
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case REQ_GetEncapsulatedResponse:
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if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
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{
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Endpoint_ClearSETUP();
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RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
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if (!(MessageHeader->MessageLength))
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{
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RNDISInterfaceInfo->State.RNDISMessageBuffer[0] = 0;
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MessageHeader->MessageLength = 1;
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}
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Endpoint_Write_Control_Stream_LE(RNDISInterfaceInfo->State.RNDISMessageBuffer, MessageHeader->MessageLength);
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Endpoint_ClearOUT();
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MessageHeader->MessageLength = 0;
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}
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break;
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}
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}
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bool RNDIS_Device_ConfigureEndpoints(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
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{
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if (!(Endpoint_ConfigureEndpoint(RNDISInterfaceInfo->Config.DataINEndpointNumber, EP_TYPE_BULK,
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ENDPOINT_DIR_IN, RNDISInterfaceInfo->Config.DataINEndpointSize,
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ENDPOINT_BANK_SINGLE)))
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{
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return false;
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}
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if (!(Endpoint_ConfigureEndpoint(RNDISInterfaceInfo->Config.DataOUTEndpointNumber, EP_TYPE_BULK,
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ENDPOINT_DIR_OUT, RNDISInterfaceInfo->Config.DataOUTEndpointSize,
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ENDPOINT_BANK_SINGLE)))
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{
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return false;
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}
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if (!(Endpoint_ConfigureEndpoint(RNDISInterfaceInfo->Config.NotificationEndpointNumber, EP_TYPE_INTERRUPT,
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ENDPOINT_DIR_IN, RNDISInterfaceInfo->Config.NotificationEndpointSize,
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ENDPOINT_BANK_SINGLE)))
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{
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return false;
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}
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return true;
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}
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void RNDIS_Device_USBTask(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
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{
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if (!(USB_IsConnected))
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return;
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RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
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Endpoint_SelectEndpoint(RNDISInterfaceInfo->Config.NotificationEndpointNumber);
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if (Endpoint_IsINReady() && RNDISInterfaceInfo->State.ResponseReady)
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{
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USB_Request_Header_t Notification = (USB_Request_Header_t)
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{
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.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
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.bRequest = NOTIF_ResponseAvailable,
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.wValue = 0,
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.wIndex = 0,
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.wLength = 0,
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};
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Endpoint_Write_Stream_LE(&Notification, sizeof(Notification), NO_STREAM_CALLBACK);
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Endpoint_ClearIN();
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RNDISInterfaceInfo->State.ResponseReady = false;
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}
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if ((RNDISInterfaceInfo->State.CurrRNDISState == RNDIS_Data_Initialized) && !(MessageHeader->MessageLength))
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{
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RNDIS_Packet_Message_t RNDISPacketHeader;
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Endpoint_SelectEndpoint(RNDISInterfaceInfo->Config.DataOUTEndpointNumber);
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if (Endpoint_IsOUTReceived() && !(RNDISInterfaceInfo->State.FrameIN.FrameInBuffer))
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{
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Endpoint_Read_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t), NO_STREAM_CALLBACK);
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if (RNDISPacketHeader.DataLength > ETHERNET_FRAME_SIZE_MAX)
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{
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Endpoint_StallTransaction();
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return;
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}
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Endpoint_Read_Stream_LE(RNDISInterfaceInfo->State.FrameIN.FrameData, RNDISPacketHeader.DataLength, NO_STREAM_CALLBACK);
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Endpoint_ClearOUT();
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RNDISInterfaceInfo->State.FrameIN.FrameLength = RNDISPacketHeader.DataLength;
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RNDISInterfaceInfo->State.FrameIN.FrameInBuffer = true;
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}
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Endpoint_SelectEndpoint(RNDISInterfaceInfo->Config.DataINEndpointNumber);
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if (Endpoint_IsINReady() && RNDISInterfaceInfo->State.FrameOUT.FrameInBuffer)
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{
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memset(&RNDISPacketHeader, 0, sizeof(RNDIS_Packet_Message_t));
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RNDISPacketHeader.MessageType = REMOTE_NDIS_PACKET_MSG;
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RNDISPacketHeader.MessageLength = (sizeof(RNDIS_Packet_Message_t) + RNDISInterfaceInfo->State.FrameOUT.FrameLength);
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RNDISPacketHeader.DataOffset = (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t));
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RNDISPacketHeader.DataLength = RNDISInterfaceInfo->State.FrameOUT.FrameLength;
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Endpoint_Write_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t), NO_STREAM_CALLBACK);
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Endpoint_Write_Stream_LE(RNDISInterfaceInfo->State.FrameOUT.FrameData, RNDISPacketHeader.DataLength, NO_STREAM_CALLBACK);
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Endpoint_ClearIN();
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RNDISInterfaceInfo->State.FrameOUT.FrameInBuffer = false;
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}
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}
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}
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void RNDIS_Device_ProcessRNDISControlMessage(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
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{
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/* Note: Only a single buffer is used for both the received message and its response to save SRAM. Because of
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this, response bytes should be filled in order so that they do not clobber unread data in the buffer. */
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RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
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switch (MessageHeader->MessageType)
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{
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case REMOTE_NDIS_INITIALIZE_MSG:
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RNDISInterfaceInfo->State.ResponseReady = true;
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RNDIS_Initialize_Message_t* INITIALIZE_Message =
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(RNDIS_Initialize_Message_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
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RNDIS_Initialize_Complete_t* INITIALIZE_Response =
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(RNDIS_Initialize_Complete_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
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INITIALIZE_Response->MessageType = REMOTE_NDIS_INITIALIZE_CMPLT;
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INITIALIZE_Response->MessageLength = sizeof(RNDIS_Initialize_Complete_t);
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INITIALIZE_Response->RequestId = INITIALIZE_Message->RequestId;
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INITIALIZE_Response->Status = REMOTE_NDIS_STATUS_SUCCESS;
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INITIALIZE_Response->MajorVersion = REMOTE_NDIS_VERSION_MAJOR;
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INITIALIZE_Response->MinorVersion = REMOTE_NDIS_VERSION_MINOR;
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INITIALIZE_Response->DeviceFlags = REMOTE_NDIS_DF_CONNECTIONLESS;
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INITIALIZE_Response->Medium = REMOTE_NDIS_MEDIUM_802_3;
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INITIALIZE_Response->MaxPacketsPerTransfer = 1;
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INITIALIZE_Response->MaxTransferSize = (sizeof(RNDIS_Packet_Message_t) + ETHERNET_FRAME_SIZE_MAX);
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INITIALIZE_Response->PacketAlignmentFactor = 0;
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INITIALIZE_Response->AFListOffset = 0;
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INITIALIZE_Response->AFListSize = 0;
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RNDISInterfaceInfo->State.CurrRNDISState = RNDIS_Initialized;
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break;
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case REMOTE_NDIS_HALT_MSG:
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RNDISInterfaceInfo->State.ResponseReady = false;
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MessageHeader->MessageLength = 0;
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RNDISInterfaceInfo->State.CurrRNDISState = RNDIS_Uninitialized;
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break;
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case REMOTE_NDIS_QUERY_MSG:
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RNDISInterfaceInfo->State.ResponseReady = true;
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RNDIS_Query_Message_t* QUERY_Message = (RNDIS_Query_Message_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
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RNDIS_Query_Complete_t* QUERY_Response = (RNDIS_Query_Complete_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
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uint32_t Query_Oid = QUERY_Message->Oid;
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void* QueryData = &RNDISInterfaceInfo->State.RNDISMessageBuffer[sizeof(RNDIS_Message_Header_t) +
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QUERY_Message->InformationBufferOffset];
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void* ResponseData = &RNDISInterfaceInfo->State.RNDISMessageBuffer[sizeof(RNDIS_Query_Complete_t)];
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uint16_t ResponseSize;
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QUERY_Response->MessageType = REMOTE_NDIS_QUERY_CMPLT;
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QUERY_Response->MessageLength = sizeof(RNDIS_Query_Complete_t);
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if (RNDIS_Device_ProcessNDISQuery(RNDISInterfaceInfo, Query_Oid, QueryData, QUERY_Message->InformationBufferLength,
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ResponseData, &ResponseSize))
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{
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QUERY_Response->Status = REMOTE_NDIS_STATUS_SUCCESS;
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QUERY_Response->MessageLength += ResponseSize;
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QUERY_Response->InformationBufferLength = ResponseSize;
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QUERY_Response->InformationBufferOffset = (sizeof(RNDIS_Query_Complete_t) - sizeof(RNDIS_Message_Header_t));
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}
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else
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{
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QUERY_Response->Status = REMOTE_NDIS_STATUS_NOT_SUPPORTED;
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QUERY_Response->InformationBufferLength = 0;
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QUERY_Response->InformationBufferOffset = 0;
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}
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break;
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case REMOTE_NDIS_SET_MSG:
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RNDISInterfaceInfo->State.ResponseReady = true;
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RNDIS_Set_Message_t* SET_Message = (RNDIS_Set_Message_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
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RNDIS_Set_Complete_t* SET_Response = (RNDIS_Set_Complete_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
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uint32_t SET_Oid = SET_Message->Oid;
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SET_Response->MessageType = REMOTE_NDIS_SET_CMPLT;
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SET_Response->MessageLength = sizeof(RNDIS_Set_Complete_t);
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SET_Response->RequestId = SET_Message->RequestId;
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void* SetData = &RNDISInterfaceInfo->State.RNDISMessageBuffer[sizeof(RNDIS_Message_Header_t) +
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SET_Message->InformationBufferOffset];
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if (RNDIS_Device_ProcessNDISSet(RNDISInterfaceInfo, SET_Oid, SetData, SET_Message->InformationBufferLength))
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SET_Response->Status = REMOTE_NDIS_STATUS_SUCCESS;
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else
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SET_Response->Status = REMOTE_NDIS_STATUS_NOT_SUPPORTED;
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break;
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case REMOTE_NDIS_RESET_MSG:
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RNDISInterfaceInfo->State.ResponseReady = true;
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RNDIS_Reset_Complete_t* RESET_Response = (RNDIS_Reset_Complete_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
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RESET_Response->MessageType = REMOTE_NDIS_RESET_CMPLT;
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RESET_Response->MessageLength = sizeof(RNDIS_Reset_Complete_t);
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RESET_Response->Status = REMOTE_NDIS_STATUS_SUCCESS;
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RESET_Response->AddressingReset = 0;
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break;
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case REMOTE_NDIS_KEEPALIVE_MSG:
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RNDISInterfaceInfo->State.ResponseReady = true;
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RNDIS_KeepAlive_Message_t* KEEPALIVE_Message =
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(RNDIS_KeepAlive_Message_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
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RNDIS_KeepAlive_Complete_t* KEEPALIVE_Response =
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(RNDIS_KeepAlive_Complete_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
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KEEPALIVE_Response->MessageType = REMOTE_NDIS_KEEPALIVE_CMPLT;
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KEEPALIVE_Response->MessageLength = sizeof(RNDIS_KeepAlive_Complete_t);
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KEEPALIVE_Response->RequestId = KEEPALIVE_Message->RequestId;
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KEEPALIVE_Response->Status = REMOTE_NDIS_STATUS_SUCCESS;
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break;
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}
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}
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static bool RNDIS_Device_ProcessNDISQuery(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo,
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const uint32_t OId, void* const QueryData, const uint16_t QuerySize,
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void* ResponseData, uint16_t* const ResponseSize)
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{
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switch (OId)
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{
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case OID_GEN_SUPPORTED_LIST:
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*ResponseSize = sizeof(AdapterSupportedOIDList);
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memcpy_P(ResponseData, AdapterSupportedOIDList, sizeof(AdapterSupportedOIDList));
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return true;
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case OID_GEN_PHYSICAL_MEDIUM:
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*ResponseSize = sizeof(uint32_t);
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/* Indicate that the device is a true ethernet link */
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*((uint32_t*)ResponseData) = 0;
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return true;
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case OID_GEN_HARDWARE_STATUS:
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*ResponseSize = sizeof(uint32_t);
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*((uint32_t*)ResponseData) = NDIS_HardwareStatus_Ready;
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return true;
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case OID_GEN_MEDIA_SUPPORTED:
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case OID_GEN_MEDIA_IN_USE:
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*ResponseSize = sizeof(uint32_t);
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*((uint32_t*)ResponseData) = REMOTE_NDIS_MEDIUM_802_3;
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return true;
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case OID_GEN_VENDOR_ID:
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*ResponseSize = sizeof(uint32_t);
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/* Vendor ID 0x0xFFFFFF is reserved for vendors who have not purchased a NDIS VID */
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*((uint32_t*)ResponseData) = 0x00FFFFFF;
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return true;
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case OID_GEN_MAXIMUM_FRAME_SIZE:
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case OID_GEN_TRANSMIT_BLOCK_SIZE:
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case OID_GEN_RECEIVE_BLOCK_SIZE:
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*ResponseSize = sizeof(uint32_t);
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*((uint32_t*)ResponseData) = ETHERNET_FRAME_SIZE_MAX;
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return true;
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case OID_GEN_VENDOR_DESCRIPTION:
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*ResponseSize = (strlen(RNDISInterfaceInfo->Config.AdapterVendorDescription) + 1);
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memcpy(ResponseData, RNDISInterfaceInfo->Config.AdapterVendorDescription, *ResponseSize);
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return true;
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case OID_GEN_MEDIA_CONNECT_STATUS:
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*ResponseSize = sizeof(uint32_t);
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*((uint32_t*)ResponseData) = REMOTE_NDIS_MEDIA_STATE_CONNECTED;
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return true;
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case OID_GEN_LINK_SPEED:
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*ResponseSize = sizeof(uint32_t);
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/* Indicate 10Mb/s link speed */
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*((uint32_t*)ResponseData) = 100000;
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return true;
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case OID_802_3_PERMANENT_ADDRESS:
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case OID_802_3_CURRENT_ADDRESS:
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*ResponseSize = sizeof(MAC_Address_t);
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memcpy(ResponseData, &RNDISInterfaceInfo->Config.AdapterMACAddress, sizeof(MAC_Address_t));
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return true;
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case OID_802_3_MAXIMUM_LIST_SIZE:
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*ResponseSize = sizeof(uint32_t);
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/* Indicate only one multicast address supported */
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*((uint32_t*)ResponseData) = 1;
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return true;
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case OID_GEN_CURRENT_PACKET_FILTER:
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*ResponseSize = sizeof(uint32_t);
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*((uint32_t*)ResponseData) = RNDISInterfaceInfo->State.CurrPacketFilter;
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return true;
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case OID_GEN_XMIT_OK:
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case OID_GEN_RCV_OK:
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case OID_GEN_XMIT_ERROR:
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case OID_GEN_RCV_ERROR:
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case OID_GEN_RCV_NO_BUFFER:
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case OID_802_3_RCV_ERROR_ALIGNMENT:
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case OID_802_3_XMIT_ONE_COLLISION:
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case OID_802_3_XMIT_MORE_COLLISIONS:
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*ResponseSize = sizeof(uint32_t);
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/* Unused statistic OIDs - always return 0 for each */
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*((uint32_t*)ResponseData) = 0;
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return true;
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case OID_GEN_MAXIMUM_TOTAL_SIZE:
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*ResponseSize = sizeof(uint32_t);
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/* Indicate maximum overall buffer (Ethernet frame and RNDIS header) the adapter can handle */
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*((uint32_t*)ResponseData) = (RNDIS_MESSAGE_BUFFER_SIZE + ETHERNET_FRAME_SIZE_MAX);
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return true;
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default:
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return false;
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}
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}
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static bool RNDIS_Device_ProcessNDISSet(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo, const uint32_t OId, void* SetData,
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const uint16_t SetSize)
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{
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switch (OId)
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{
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case OID_GEN_CURRENT_PACKET_FILTER:
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RNDISInterfaceInfo->State.CurrPacketFilter = *((uint32_t*)SetData);
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RNDISInterfaceInfo->State.CurrRNDISState = ((RNDISInterfaceInfo->State.CurrPacketFilter) ?
|
|
RNDIS_Data_Initialized : RNDIS_Data_Initialized);
|
|
|
|
return true;
|
|
case OID_802_3_MULTICAST_LIST:
|
|
/* Do nothing - throw away the value from the host as it is unused */
|
|
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
#endif
|