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@ -45,46 +45,46 @@ |
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#include "ProtocolDecoders.h" |
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#include "ProtocolDecoders.h" |
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/* Macros: */ |
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/* Macros: */ |
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/** Maximum number of TCP ports which can be open at the one time */ |
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/** Maximum number of TCP ports which can be open at the one time. */ |
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#define MAX_OPEN_TCP_PORTS 1 |
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#define MAX_OPEN_TCP_PORTS 1 |
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/** Maximum number of TCP connections which can be sustained at the one time */ |
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/** Maximum number of TCP connections which can be sustained at the one time. */ |
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#define MAX_TCP_CONNECTIONS 3 |
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#define MAX_TCP_CONNECTIONS 3 |
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/** TCP window size, giving the maximum number of bytes which can be buffered at the one time */ |
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/** TCP window size, giving the maximum number of bytes which can be buffered at the one time. */ |
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#define TCP_WINDOW_SIZE 512 |
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#define TCP_WINDOW_SIZE 512 |
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/** Port number for HTTP transmissions */ |
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/** Port number for HTTP transmissions. */ |
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#define TCP_PORT_HTTP SwapEndian_16(80) |
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#define TCP_PORT_HTTP SwapEndian_16(80) |
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/** Data direction indicator for a TCP application buffer, indicating data from host-to-device */ |
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/** Data direction indicator for a TCP application buffer, indicating data from host-to-device. */ |
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#define TCP_PACKETDIR_IN false |
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#define TCP_PACKETDIR_IN false |
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/** Data direction indicator for a TCP application buffer, indicating data from device-to-host */ |
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/** Data direction indicator for a TCP application buffer, indicating data from device-to-host. */ |
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#define TCP_PACKETDIR_OUT true |
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#define TCP_PACKETDIR_OUT true |
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/** Congestion Window Reduced TCP flag mask */ |
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/** Congestion Window Reduced TCP flag mask. */ |
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#define TCP_FLAG_CWR (1 << 7) |
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#define TCP_FLAG_CWR (1 << 7) |
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/** Explicit Congestion Notification TCP flag mask */ |
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/** Explicit Congestion Notification TCP flag mask. */ |
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#define TCP_FLAG_ECE (1 << 6) |
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#define TCP_FLAG_ECE (1 << 6) |
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/** Urgent TCP flag mask */ |
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/** Urgent TCP flag mask. */ |
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#define TCP_FLAG_URG (1 << 5) |
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#define TCP_FLAG_URG (1 << 5) |
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/** Data Acknowledge TCP flag mask */ |
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/** Data Acknowledge TCP flag mask. */ |
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#define TCP_FLAG_ACK (1 << 4) |
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#define TCP_FLAG_ACK (1 << 4) |
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/** Data Push TCP flag mask */ |
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/** Data Push TCP flag mask. */ |
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#define TCP_FLAG_PSH (1 << 3) |
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#define TCP_FLAG_PSH (1 << 3) |
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/** Reset TCP flag mask */ |
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/** Reset TCP flag mask. */ |
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#define TCP_FLAG_RST (1 << 2) |
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#define TCP_FLAG_RST (1 << 2) |
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/** Synchronize TCP flag mask */ |
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/** Synchronize TCP flag mask. */ |
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#define TCP_FLAG_SYN (1 << 1) |
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#define TCP_FLAG_SYN (1 << 1) |
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/** Connection Finalize TCP flag mask */ |
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/** Connection Finalize TCP flag mask. */ |
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#define TCP_FLAG_FIN (1 << 0) |
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#define TCP_FLAG_FIN (1 << 0) |
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/** Application macro: Determines if the given application buffer contains a packet received from the host
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/** Application macro: Determines if the given application buffer contains a packet received from the host
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@ -147,14 +147,14 @@ |
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#define TCP_APP_CLOSECONNECTION(Connection) MACROS{ Connection->State = TCP_Connection_Closing; }MACROE |
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#define TCP_APP_CLOSECONNECTION(Connection) MACROS{ Connection->State = TCP_Connection_Closing; }MACROE |
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/* Enums: */ |
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/* Enums: */ |
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/** Enum for possible TCP port states */ |
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/** Enum for possible TCP port states. */ |
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enum TCP_PortStates_t |
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enum TCP_PortStates_t |
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{ |
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{ |
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TCP_Port_Closed = 0, /**< TCP port closed, no connections to a host may be made on this port. */ |
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TCP_Port_Closed = 0, /**< TCP port closed, no connections to a host may be made on this port. */ |
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TCP_Port_Open = 1, /**< TCP port open, connections to a host may be made on this port. */ |
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TCP_Port_Open = 1, /**< TCP port open, connections to a host may be made on this port. */ |
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}; |
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}; |
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/** Enum for possible TCP connection states */ |
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/** Enum for possible TCP connection states. */ |
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enum TCP_ConnectionStates_t |
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enum TCP_ConnectionStates_t |
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{ |
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{ |
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TCP_Connection_Listen = 0, /**< Listening for a connection from a host */ |
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TCP_Connection_Listen = 0, /**< Listening for a connection from a host */ |
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@ -171,7 +171,7 @@ |
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}; |
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}; |
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/* Type Defines: */ |
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/* Type Defines: */ |
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/** Type define for a TCP connection buffer structure, including size, data and direction */ |
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/** Type define for a TCP connection buffer structure, including size, data and direction. */ |
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typedef struct |
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typedef struct |
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{ |
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{ |
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uint16_t Length; /**< Length of data in the TCP application buffer */ |
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uint16_t Length; /**< Length of data in the TCP application buffer */ |
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@ -180,10 +180,10 @@ |
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bool Ready; /**< If data from host, indicates buffer ready to be read, otherwise indicates
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bool Ready; /**< If data from host, indicates buffer ready to be read, otherwise indicates
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* buffer ready to be sent to the host |
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* buffer ready to be sent to the host |
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*/ |
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*/ |
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bool InUse; /** Indicates if the buffer is locked to to the current direction, and cannot be changed */ |
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bool InUse; /**< Indicates if the buffer is locked to to the current direction, and cannot be changed */ |
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} TCP_ConnectionBuffer_t; |
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} TCP_ConnectionBuffer_t; |
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/** Type define for a TCP connection information structure */ |
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/** Type define for a TCP connection information structure. */ |
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typedef struct |
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typedef struct |
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{ |
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{ |
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uint32_t SequenceNumberIn; /**< Current TCP sequence number for host-to-device */
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uint32_t SequenceNumberIn; /**< Current TCP sequence number for host-to-device */
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@ -191,7 +191,7 @@ |
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TCP_ConnectionBuffer_t Buffer; /**< Connection application data buffer */ |
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TCP_ConnectionBuffer_t Buffer; /**< Connection application data buffer */ |
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} TCP_ConnectionInfo_t; |
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} TCP_ConnectionInfo_t; |
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/** Type define for a complete TCP connection state */ |
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/** Type define for a complete TCP connection state. */ |
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typedef struct |
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typedef struct |
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{ |
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{ |
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uint16_t Port; /**< Connection port number on the device */ |
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uint16_t Port; /**< Connection port number on the device */ |
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@ -201,7 +201,7 @@ |
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uint8_t State; /**< Current connection state, a value from the TCP_ConnectionStates_t enum */ |
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uint8_t State; /**< Current connection state, a value from the TCP_ConnectionStates_t enum */ |
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} TCP_ConnectionState_t; |
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} TCP_ConnectionState_t; |
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/** Type define for a TCP port state */ |
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/** Type define for a TCP port state. */ |
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typedef struct |
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typedef struct |
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{ |
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{ |
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uint16_t Port; /**< TCP port number on the device */ |
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uint16_t Port; /**< TCP port number on the device */ |
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@ -210,7 +210,7 @@ |
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TCP_ConnectionBuffer_t* Buffer); /**< Port application handler */ |
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TCP_ConnectionBuffer_t* Buffer); /**< Port application handler */ |
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} TCP_PortState_t; |
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} TCP_PortState_t; |
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/** Type define for a TCP packet header */ |
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/** Type define for a TCP packet header. */ |
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typedef struct |
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typedef struct |
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{ |
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{ |
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uint16_t SourcePort; /**< Source port of the TCP packet */ |
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uint16_t SourcePort; /**< Source port of the TCP packet */ |
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@ -228,9 +228,6 @@ |
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uint16_t UrgentPointer; /**< Urgent data pointer */ |
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uint16_t UrgentPointer; /**< Urgent data pointer */ |
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} TCP_Header_t; |
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} TCP_Header_t; |
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/* External Variables: */ |
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TCP_PortState_t PortStateTable[MAX_OPEN_TCP_PORTS]; |
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/* Function Prototypes: */ |
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/* Function Prototypes: */ |
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void TCP_TCPTask(USB_ClassInfo_RNDIS_Device_t* RNDISInterfaceInfo); |
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void TCP_TCPTask(USB_ClassInfo_RNDIS_Device_t* RNDISInterfaceInfo); |
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void TCP_Init(void); |
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void TCP_Init(void); |
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Dean Camera
15 years ago