68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
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/********************************************************************/
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/** Microsoft LAN Manager **/
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/** Copyright(c) Microsoft Corp., 1990-1993 **/
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/********************************************************************/
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/* :ts=4 */
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//** TCB.H - TCB management definitions.
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//
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// This file contains the definitons needed for TCB management.
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//
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#define TCB_TABLE_SIZE 64
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#define MAX_REXMIT_CNT 5
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#define MAX_CONNECT_REXMIT_CNT 3
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#define MAX_CONNECT_RESPONSE_REXMIT_CNT 3
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#ifdef SYN_ATTACK
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#define ADAPTED_MAX_CONNECT_RESPONSE_REXMIT_CNT 1
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#endif
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extern uint TCPTime;
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#ifdef OLDHASH1
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#define TCB_HASH(DA,SA,DP,SP) ((uint)(*(uchar *)&(DA) + *((uchar *)&(DA) + 1) \
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+ *((uchar *)&(DA) + 2) + *((uchar *)&(DA) + 3)) % TCB_TABLE_SIZE)
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#endif
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#ifdef OLDHASH
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#define TCB_HASH(DA,SA,DP,SP) (((DA) + (SA) + (uint)(DP) + (uint)(SP)) % \
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TCB_TABLE_SIZE)
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#endif
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#define ROR8(x) (uchar)(((uchar)(x) >> 1) | (uchar)(((uchar)(x) & 1) << 7))
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#define TCB_HASH(DA,SA,DP,SP) (((uint)(ROR8(ROR8(ROR8(ROR8(*((uchar *)&(DP) + 1) + \
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*((uchar *)&(DP))) + \
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*((uchar *)&(DA) + 3)) + \
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*((uchar *)&(DA) + 2)) + \
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*((uchar *)&(DA) + 1)) + \
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*((uchar *)&(DA)) )) % TCB_TABLE_SIZE)
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extern struct TCB *FindTCB(IPAddr Src, IPAddr Dest, ushort DestPort,
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ushort SrcPort);
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extern uint InsertTCB(struct TCB *NewTCB);
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extern struct TCB *AllocTCB(void);
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extern void FreeTCB(struct TCB *FreedTCB);
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extern uint RemoveTCB(struct TCB *RemovedTCB);
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extern uint ValidateTCBContext(void *Context, uint *Valid);
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extern uint ReadNextTCB(void *Context, void *OutBuf);
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extern int InitTCB(void);
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extern void UnInitTCB(void);
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extern void TCBWalk(uint (*CallRtn)(struct TCB *, void *, void *,
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void *), void *Context1, void *Context2,
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void *Context3);
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extern uint DeleteTCBWithSrc(struct TCB *CheckTCB, void *AddrPtr,
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void *Unused1, void *Unused2);
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extern uint SetTCBMTU(struct TCB *CheckTCB, void *DestPtr,
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void *SrcPtr, void *MTUPtr);
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extern void ReetSendNext(struct TCB *SeqTCB, SeqNum DropSeq);
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extern uint TCBWalkCount;
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