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/********************************************************************/
/** Microsoft LAN Manager **/
/** Copyright(c) Microsoft Corp., 1990-1993 **/
/********************************************************************/
/* :ts=4 */
//** TCPRCV.H - TCP receive protocol definitions.
//
// This file contains the definitions for structures used by the receive code.
//
#define CONN_REQUEST_COMPLETE 0x01
#define SEND_REQUEST_COMPLETE 0x02
#define IN_RCV_COMPLETE 0x10
#define ANY_REQUEST_COMPLETE (CONN_REQUEST_COMPLETE | SEND_REQUEST_COMPLETE)
#define trh_signature 0x20485254 // 'TRH '
typedef struct TCPRAHdr {
#ifdef DEBUG
ulong trh_sig; // Signature.
#endif
struct TCPRAHdr *trh_next; // Next pointer.
SeqNum trh_start; // First sequence number.
uint trh_size; // Size in bytes of data in this TRH.
uint trh_flags; // Flags for this segment.
uint trh_urg; // Urgent pointer from this seg.
IPRcvBuf *trh_buffer; // Head of buffer list for this TRH.
IPRcvBuf *trh_end; // End of buffer list for this TRH.
} TCPRAHdr;
//* Structure of a TCP receive request.
#define trr_signature 0x20525254 // 'TRR '
typedef struct TCPRcvReq {
#ifdef DEBUG
ulong trr_sig; // Signature.
#endif
struct TCPRcvReq *trr_next; // Next in chain.
CTEReqCmpltRtn trr_rtn; // Completion routine.
PVOID trr_context; // User context.
uint trr_amt; // Number of bytes currently in buffer.
uint trr_offset; // Offset into first buffer on chain
// at which to start copying.
uint trr_flags; // Flags for this recv.
ushort *trr_uflags; // Pointer to user specifed flags.
uint trr_size; // Total size of buffer chain.
PNDIS_BUFFER trr_buffer; // Pointer to useable NDIS buffer chain.
} TCPRcvReq;
#define TRR_PUSHED 0x80000000 // This buffer has been pushed.
extern uint RequestCompleteFlags;
extern Queue SendCompleteQ;
extern Queue TCBDelayQ;
EXTERNAL_LOCK(RequestCompleteLock)
EXTERNAL_LOCK(TCBDelayLock)
extern void TCPRcvComplete(void);
extern void FreeRBChain(IPRcvBuf *RBChain);
extern void DelayAction(struct TCB *DelayTCB, uint Action);
extern void ProcessTCBDelayQ(void);
extern void AdjustRcvWin(struct TCB *WinTCB);
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