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234 #ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
234 #ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
235 //Function to set and get receive window |
235 //Function to set and get receive window |
236 void SetRecvWin(TUint aRecvWin) { iRecvBuf = aRecvWin;} |
236 void SetRecvWin(TUint aRecvWin) { iRecvBuf = aRecvWin;} |
237 TUint GetRecvWinSize() { return iRecvBuf; } |
237 TUint GetRecvWinSize() { return iRecvBuf; } |
238 TUint RecvMaxWnd() { return iTcpMaxRecvWin;} |
238 TUint RecvMaxWnd() { return iTcpMaxRecvWin;} |
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239 TUint RecvBufFromIniFile() { return iRecvBufFromIniFile; } |
239 #endif //SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
240 #endif //SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
240 |
241 |
241 #ifdef _LOG |
242 #ifdef _LOG |
242 static void LogPacket(char aDir, RMBufChain& aPacket, RMBufPktInfo *info = 0, TInt aOffset = 0); |
243 static void LogPacket(char aDir, RMBufChain& aPacket, RMBufPktInfo *info = 0, TInt aOffset = 0); |
243 #endif |
244 #endif |
293 |
294 |
294 TUint32 iRandomIncrement; |
295 TUint32 iRandomIncrement; |
295 RMBufAllocator iBufAllocator; |
296 RMBufAllocator iBufAllocator; |
296 #ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
297 #ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
297 TUint iTcpMaxRecvWin; |
298 TUint iTcpMaxRecvWin; |
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299 TUint iRecvBufFromIniFile; |
298 #endif //SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
300 #endif //SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
299 }; |
301 }; |
300 |
302 |
301 |
303 |
302 /** |
304 /** |
440 TUint32 iHiddenFreeWindow; |
442 TUint32 iHiddenFreeWindow; |
441 // Size of Window Shrink |
443 // Size of Window Shrink |
442 TUint32 iShrinkedWindowSize; |
444 TUint32 iShrinkedWindowSize; |
443 // Window size set by user. This will override the default values for the bearers |
445 // Window size set by user. This will override the default values for the bearers |
444 TBool iWindowSetByUser; |
446 TBool iWindowSetByUser; |
|
447 //Flag for socket startup case. No tcp window expand/shrink in this case. |
|
448 TBool iSocketStartupCase; |
445 #endif //SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
449 #endif //SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
446 |
450 |
447 // Maximum Segment Sizes |
451 // Maximum Segment Sizes |
448 TUint iMSS; //< Maximum set by user |
452 TUint iMSS; //< Maximum set by user |
449 TUint iSMSS; //< Send MSS |
453 TUint iSMSS; //< Send MSS |
611 void ResetCwnd(TUint aSMSS); |
615 void ResetCwnd(TUint aSMSS); |
612 void SchedMsl2Wait(); |
616 void SchedMsl2Wait(); |
613 void ProcessSegments(); |
617 void ProcessSegments(); |
614 void SendSegments(TBool aNagleOverride = EFalse); |
618 void SendSegments(TBool aNagleOverride = EFalse); |
615 void RetransmitTimeout(); |
619 void RetransmitTimeout(); |
616 void RetransmitSegments(); |
620 TBool RetransmitSegments(); |
617 void ClearSYNSettings(); |
621 void ClearSYNSettings(); |
618 |
622 |
619 /** |
623 /** |
620 * Reduce congestion window. The following events may cause this: 1. ICMP Source Quench, |
624 * Reduce congestion window. The following events may cause this: 1. ICMP Source Quench, |
621 * 2. notification from link layer, 3. ECN congestion echo. The method ensures that congestion |
625 * 2. notification from link layer, 3. ECN congestion echo. The method ensures that congestion |