windows-nt/Source/XPSP1/NT/net/tcpip/driver/tcp/tcpdeliv.h
2020-09-26 16:20:57 +08:00

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/********************************************************************/
/** Microsoft LAN Manager **/
/** Copyright(c) Microsoft Corp., 1990-1993 **/
/********************************************************************/
/* :ts=4 */
//** TCPDELIV.H - TCP data delivery definitions.
//
// This file contains the definitions for structures used by the data
// delivery code.
//
extern void FreeRcvReq(struct TCPRcvReq *FreedReq);
extern uint IndicateData(struct TCB *RcvTCB, uint RcvFlags, IPRcvBuf *InBuffer,
uint Size);
extern uint BufferData(struct TCB *RcvTCB, uint RcvFlags, IPRcvBuf *InBuffer,
uint Size);
extern uint PendData(struct TCB *RcvTCB, uint RcvFlags, IPRcvBuf *InBuffer,
uint Size);
extern void IndicatePendingData(struct TCB *RcvTCB, struct TCPRcvReq *RcvReq,
CTELockHandle TCBHandle);
extern void HandleUrgent(struct TCB *RcvTCB, struct TCPRcvInfo *RcvInfo,
IPRcvBuf *RcvBuf, uint *Size);
extern TDI_STATUS TdiReceive(PTDI_REQUEST Request, ushort *Flags,
uint *RcvLength, PNDIS_BUFFER Buffer);
extern IPRcvBuf *FreePartialRB(IPRcvBuf *RB, uint Size);
extern void PushData(struct TCB *PushTCB);
#if !MILLEN
//* AllocTcpIpr - Allocates the IPRcvBuffer from NPP.
//
// A utility routine to allocate a TCP owned IPRcvBuffer. This routine
// allocates the IPR from NPP and initializes appropriate fields.
//
// Input: BufferSize - Size of data to buffer.
//
// Returns: Pointer to allocated IPR.
//
__inline IPRcvBuf *
AllocTcpIpr(ULONG BufferSize, ULONG Tag)
{
IPRcvBuf *Ipr;
ULONG AllocateSize;
// Real size that we need.
AllocateSize = BufferSize + sizeof(IPRcvBuf);
Ipr = CTEAllocMemLow(AllocateSize, Tag);
if (Ipr != NULL) {
// Set up IPR fields appropriately.
Ipr->ipr_owner = IPR_OWNER_TCP;
Ipr->ipr_next = NULL;
Ipr->ipr_buffer = (PCHAR) Ipr + sizeof(IPRcvBuf);
Ipr->ipr_size = BufferSize;
}
return Ipr;
}
//* FreeTcpIpr - Frees the IPRcvBuffer..
//
// A utility routine to free a TCP owned IPRcvBuffer.
//
// Input: Ipr - Pointer the IPR.
//
// Returns: None.
//
__inline VOID
FreeTcpIpr(IPRcvBuf *Ipr)
{
CTEFreeMem(Ipr);
}
#else // MILLEN
IPRcvBuf *AllocTcpIpr(ULONG BufferSize, ULONG Tag);
VOID FreeTcpIpr(IPRcvBuf *Ipr);
#endif // MILLEN