X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/a14ece5f5727e5c8c6b32ed144808ee9ec66ac78..9e8bf8c0cfba6613d10a90b0ce76bdbbc9a72c8b:/Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.h diff --git a/Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.h b/Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.h index b5152b312..e1a3ff486 100644 --- a/Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.h +++ b/Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.h @@ -1,24 +1,24 @@ /* LUFA Library - Copyright (C) Dean Camera, 2010. - + Copyright (C) Dean Camera, 2013. + dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com + www.lufa-lib.org */ /* - Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2013 Dean Camera (dean [at] fourwalledcubicle [dot] com) - Permission to use, copy, modify, distribute, and sell this + Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in + without fee, provided that the above copyright notice appear in all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the software without specific, written prior permission. - The author disclaim all warranties with regard to this + The author disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness. In no event shall the author be liable for any special, indirect or consequential damages or any damages @@ -39,11 +39,11 @@ /* Includes: */ #include #include - + #include "EthernetProtocols.h" #include "Ethernet.h" #include "ProtocolDecoders.h" - + /* Macros: */ /** Maximum number of TCP ports which can be open at the one time. */ #define MAX_OPEN_TCP_PORTS 1 @@ -53,16 +53,16 @@ /** TCP window size, giving the maximum number of bytes which can be buffered at the one time. */ #define TCP_WINDOW_SIZE 512 - + /** Port number for HTTP transmissions. */ #define TCP_PORT_HTTP SwapEndian_16(80) - + /** Data direction indicator for a TCP application buffer, indicating data from host-to-device. */ #define TCP_PACKETDIR_IN false /** Data direction indicator for a TCP application buffer, indicating data from device-to-host. */ #define TCP_PACKETDIR_OUT true - + /** Congestion Window Reduced TCP flag mask. */ #define TCP_FLAG_CWR (1 << 7) @@ -86,7 +86,7 @@ /** Connection Finalize TCP flag mask. */ #define TCP_FLAG_FIN (1 << 0) - + /** Application macro: Determines if the given application buffer contains a packet received from the host * * \param[in] Buffer Application buffer to check @@ -101,9 +101,7 @@ * * \return Boolean true if the buffer has been captured by the application for device-to-host transmissions, false otherwise */ - #define TCP_APP_HAVE_CAPTURED_BUFFER(Buffer) (!(Buffer->Ready) && Buffer->InUse && \ - - (Buffer->Direction == TCP_PACKETDIR_OUT)) + #define TCP_APP_HAVE_CAPTURED_BUFFER(Buffer) (!(Buffer->Ready) && Buffer->InUse && (Buffer->Direction == TCP_PACKETDIR_OUT)) /** Application macro: Indicates if the application can lock the buffer for multiple continued device-to-host transmissions. * @@ -140,7 +138,7 @@ * \param[in] Buffer Application buffer to clear */ #define TCP_APP_CLEAR_BUFFER(Buffer) MACROS{ Buffer->Ready = false; Buffer->Length = 0; }MACROE - + /** Application macro: Closes an open connection to a host. * * \param[in] Connection Open TCP connection to close @@ -154,7 +152,7 @@ TCP_Port_Closed = 0, /**< TCP port closed, no connections to a host may be made on this port. */ TCP_Port_Open = 1, /**< TCP port open, connections to a host may be made on this port. */ }; - + /** Enum for possible TCP connection states. */ enum TCP_ConnectionStates_t { @@ -168,9 +166,9 @@ TCP_Connection_Closing = 7, /**< Unused */ TCP_Connection_LastACK = 8, /**< Unused */ TCP_Connection_TimeWait = 9, /**< Unused */ - TCP_Connection_Closed = 10, /**< Connection closed in both directions */ + TCP_Connection_Closed = 10, /**< Connection closed in both directions */ }; - + /* Type Defines: */ /** Type define for a TCP connection buffer structure, including size, data and direction. */ typedef struct @@ -187,7 +185,7 @@ /** Type define for a TCP connection information structure. */ typedef struct { - uint32_t SequenceNumberIn; /**< Current TCP sequence number for host-to-device */ + uint32_t SequenceNumberIn; /**< Current TCP sequence number for host-to-device */ uint32_t SequenceNumberOut; /**< Current TCP sequence number for device-to-host */ TCP_ConnectionBuffer_t Buffer; /**< Connection application data buffer */ } TCP_ConnectionInfo_t; @@ -199,14 +197,14 @@ uint16_t RemotePort; /**< Connection port number on the host */ IP_Address_t RemoteAddress; /**< Connection protocol IP address of the host */ TCP_ConnectionInfo_t Info; /**< Connection information, including application buffer */ - uint8_t State; /**< Current connection state, a value from the TCP_ConnectionStates_t enum */ + uint8_t State; /**< Current connection state, a value from the \ref TCP_ConnectionStates_t enum */ } TCP_ConnectionState_t; /** Type define for a TCP port state. */ typedef struct { uint16_t Port; /**< TCP port number on the device */ - uint8_t State; /**< Current port state, a value from the TCP_PortStates_t enum */ + uint8_t State; /**< Current port state, a value from the \ref TCP_PortStates_t enum */ void (*ApplicationHandler) (TCP_ConnectionState_t* ConnectionState, TCP_ConnectionBuffer_t* Buffer); /**< Port application handler */ } TCP_PortState_t; @@ -216,32 +214,47 @@ { uint16_t SourcePort; /**< Source port of the TCP packet */ uint16_t DestinationPort; /**< Destination port of the TCP packet */ - + uint32_t SequenceNumber; /**< Data sequence number of the packet */ uint32_t AcknowledgmentNumber; /**< Data acknowledgment number of the packet */ - - unsigned char Reserved : 4; /**< Reserved, must be all 0 */ - unsigned char DataOffset : 4; /**< Offset of the data from the start of the header, in 4 byte chunks */ + + unsigned Reserved : 4; /**< Reserved, must be all 0 */ + unsigned DataOffset : 4; /**< Offset of the data from the start of the header, in 4 byte chunks */ uint8_t Flags; /**< TCP packet flags */ uint16_t WindowSize; /**< Current data window size (bytes remaining in reception buffer) */ - + uint16_t Checksum; /**< TCP checksum */ uint16_t UrgentPointer; /**< Urgent data pointer */ } TCP_Header_t; - + /* Function Prototypes: */ - void TCP_TCPTask(USB_ClassInfo_RNDIS_Device_t* RNDISInterfaceInfo); + void TCP_TCPTask(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo, + Ethernet_Frame_Info_t* const FrameOUT); void TCP_Init(void); - bool TCP_SetPortState(uint16_t Port, uint8_t State, void (*Handler)(TCP_ConnectionState_t*, TCP_ConnectionBuffer_t*)); - uint8_t TCP_GetPortState(uint16_t Port); - bool TCP_SetConnectionState(uint16_t Port, IP_Address_t RemoteAddress, uint16_t RemotePort, uint8_t State); - uint8_t TCP_GetConnectionState(uint16_t Port, IP_Address_t RemoteAddress, uint16_t RemotePort); - TCP_ConnectionInfo_t* TCP_GetConnectionInfo(uint16_t Port, IP_Address_t RemoteAddress, uint16_t RemotePort); - int16_t TCP_ProcessTCPPacket(void* IPHeaderInStart, void* TCPHeaderInStart, void* TCPHeaderOutStart); + bool TCP_SetPortState(const uint16_t Port, + const uint8_t State, + void (*Handler)(TCP_ConnectionState_t*, TCP_ConnectionBuffer_t*)); + uint8_t TCP_GetPortState(const uint16_t Port); + bool TCP_SetConnectionState(const uint16_t Port, + const IP_Address_t* RemoteAddress, + const uint16_t RemotePort, + const uint8_t State); + uint8_t TCP_GetConnectionState(const uint16_t Port, + const IP_Address_t* RemoteAddress, + const uint16_t RemotePort); + TCP_ConnectionInfo_t* TCP_GetConnectionInfo(const uint16_t Port, + const IP_Address_t* RemoteAddress, + const uint16_t RemotePort); + int16_t TCP_ProcessTCPPacket(void* IPHeaderInStart, + void* TCPHeaderInStart, + void* TCPHeaderOutStart); #if defined(INCLUDE_FROM_TCP_C) - static uint16_t TCP_Checksum16(void* TCPHeaderOutStart, IP_Address_t SourceAddress, - IP_Address_t DestinationAddress, uint16_t TCPOutSize); + static uint16_t TCP_Checksum16(void* TCPHeaderOutStart, + const IP_Address_t* SourceAddress, + const IP_Address_t* DestinationAddress, + uint16_t TCPOutSize); #endif #endif +