wlan_bearer/wlanldd/wlan_common/umac_common/src/umacdynamicpowermodemgmtcntx.cpp
changeset 0 c40eb8fe8501
child 14 13838cf40350
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     1 /*
       
     2 * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the License "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:   Implementation of the WlanDynamicPowerModeMgmtCntx class
       
    15 *
       
    16 */
       
    17 
       
    18 /*
       
    19 * %version: 14 %
       
    20 */
       
    21 
       
    22 #include "config.h"
       
    23 #include "umacdynamicpowermodemgmtcntx.h"
       
    24 #include "UmacContextImpl.h"
       
    25 
       
    26 // default time interval in microseconds after which transition from Active
       
    27 // mode to Light PS mode is considered. 
       
    28 // This value is used if another value hasn't been provided
       
    29 const TUint32 KDefaultToLightPsTimeout = 100000; // 100ms
       
    30 
       
    31 // default time interval in microseconds after which the frame counter
       
    32 // used when considering transition from Light PS to Active mode is reset.
       
    33 // This value is used if another value hasn't been provided
       
    34 const TUint32 KDefaultToActiveTimeout = 300000; // 300ms
       
    35 
       
    36 // default time interval in microseconds after which transition from Light PS
       
    37 // mode to Deep PS mode is considered. 
       
    38 // This value is used if another value hasn't been provided
       
    39 const TUint32 KDefaultToDeepPsTimeout = 1000000; // 1s
       
    40 
       
    41 
       
    42 // ================= MEMBER FUNCTIONS =======================
       
    43 
       
    44 // ---------------------------------------------------------------------------
       
    45 // 
       
    46 // ---------------------------------------------------------------------------
       
    47 //
       
    48 WlanDynamicPowerModeMgmtCntx::WlanDynamicPowerModeMgmtCntx( 
       
    49     WlanContextImpl& aWlanCtxImpl ) : 
       
    50     iStateChange( EFalse ), 
       
    51     iFlags( 0 | KStayInPsDespiteUapsdVoiceTraffic ),
       
    52     iToLightPsTimeout( KDefaultToLightPsTimeout ),
       
    53     iToActiveTimeout( KDefaultToActiveTimeout ),
       
    54     iToDeepPsTimeout( KDefaultToDeepPsTimeout ),
       
    55     iActiveCntx( NULL ),
       
    56     iWlanContextImpl( aWlanCtxImpl ) 
       
    57     {
       
    58     os_memset( iIgnoreTraffic, 0, sizeof( iIgnoreTraffic ) );
       
    59     }
       
    60 
       
    61 // ---------------------------------------------------------------------------
       
    62 // 
       
    63 // ---------------------------------------------------------------------------
       
    64 //
       
    65 WlanDynamicPowerModeMgmtCntx::~WlanDynamicPowerModeMgmtCntx() 
       
    66     {
       
    67     CancelTimeouts();
       
    68     iActiveCntx = NULL;
       
    69     }
       
    70 
       
    71 // ---------------------------------------------------------------------------
       
    72 // 
       
    73 // ---------------------------------------------------------------------------
       
    74 //
       
    75 void WlanDynamicPowerModeMgmtCntx::StartPowerModeManagement()
       
    76     {
       
    77     if ( !iActiveCntx )
       
    78         {
       
    79         const TPowerMgmtMode KCurrentPwrMgmtMode ( 
       
    80             iWlanContextImpl.CurrentPwrMgmtMode() );
       
    81         
       
    82         switch ( KCurrentPwrMgmtMode )
       
    83             {
       
    84             case EActive:
       
    85                 OsTracePrint( KPwrStateTransition, (TUint8*)
       
    86                     ("UMAC: WlanDynamicPowerModeMgmtCntx::StartPowerModeManagement: Activating Active mode context") );
       
    87     
       
    88                 iActiveCntx = &iActiveModeCntx;
       
    89                 RegisterToLightPsTimeout();            
       
    90                 break;
       
    91             case ELightPs:
       
    92                 OsTracePrint( KPwrStateTransition, (TUint8*)
       
    93                     ("UMAC: WlanDynamicPowerModeMgmtCntx::StartPowerModeManagement: Activating Light PS mode context") );
       
    94     
       
    95                 iActiveCntx = &iLightPsModeCntx;
       
    96     
       
    97                 if ( // we have roamed to the current AP
       
    98                      iWlanContextImpl.Reassociate() &&
       
    99                      // we have not yet indicated to WLAN Mgmt Client the 
       
   100                      // opportunity to perform tests on the current AP
       
   101                      !iWlanContextImpl.ApTestOpportunityIndicated() )
       
   102                     {
       
   103                     // start to seek for the test opportunity
       
   104                     iWlanContextImpl.ApTestOpportunitySeekStarted( ETrue );
       
   105     
       
   106                     OsTracePrint( KUmacDetails, (TUint8*)
       
   107                         ("UMAC: WlanDynamicPowerModeMgmtCntx::StartPowerModeManagement: Start AP test opportunity seek") );
       
   108                     }
       
   109                     
       
   110                 RegisterToActiveTimeout();
       
   111                 RegisterToDeepPsTimeout();
       
   112                 break;
       
   113             case EDeepPs:
       
   114                 OsTracePrint( KPwrStateTransition, (TUint8*)
       
   115                     ("UMAC: WlanDynamicPowerModeMgmtCntx::StartPowerModeManagement: Activating Deep PS mode context") );
       
   116     
       
   117                 iActiveCntx = &iDeepPsModeCntx;
       
   118                 break;
       
   119             default:
       
   120                 // implementation error
       
   121                 OsAssert( 
       
   122                     (TUint8*)("UMAC: panic"),
       
   123                     (TUint8*)(WLAN_FILE), 
       
   124                     __LINE__ );
       
   125             }
       
   126         
       
   127         // reset active context prior use
       
   128         iActiveCntx->Reset();
       
   129         // and also reset the state change flag
       
   130         iStateChange = EFalse;
       
   131         }
       
   132     else
       
   133         {
       
   134         // we already have an active context, so no action needed
       
   135         }
       
   136     }
       
   137 
       
   138 // ---------------------------------------------------------------------------
       
   139 // 
       
   140 // ---------------------------------------------------------------------------
       
   141 //
       
   142 void WlanDynamicPowerModeMgmtCntx::StopPowerModeManagement()
       
   143     {
       
   144     if ( iActiveCntx )
       
   145         {
       
   146         OsTracePrint( KPwrStateTransition, (TUint8*)
       
   147             ("UMAC: WlanDynamicPowerModeMgmtCntx::StopPowerModeManagement: dynamic power mode mgmt stopped") );
       
   148 
       
   149         CancelTimeouts();
       
   150         iStateChange = EFalse;
       
   151         iActiveCntx = NULL; // no active context any more
       
   152         }
       
   153     }
       
   154         
       
   155 // ---------------------------------------------------------------------------
       
   156 // 
       
   157 // ---------------------------------------------------------------------------
       
   158 //
       
   159 TPowerMgmtModeChange WlanDynamicPowerModeMgmtCntx::OnFrameTx( 
       
   160     WHA::TQueueId aQueueId,
       
   161     TUint16 aEtherType )
       
   162     {
       
   163     TPowerMgmtModeChange powerMgmtModeChange( ENoChange );
       
   164 
       
   165     if ( iActiveCntx )
       
   166         {
       
   167         // we have an active context, i.e. we are doing power mode mgmt
       
   168         
       
   169         if ( !iStateChange )
       
   170             {
       
   171             powerMgmtModeChange = iActiveCntx->OnFrameTx( 
       
   172                 iWlanContextImpl, 
       
   173                 aQueueId,
       
   174                 aEtherType,
       
   175                 iIgnoreTraffic[aQueueId] );
       
   176             
       
   177             if ( powerMgmtModeChange != ENoChange )
       
   178                 {
       
   179                 // as we will do a mode change, cancel any possibly running 
       
   180                 // power mode management timers
       
   181                 CancelTimeouts();
       
   182                 }
       
   183             }        
       
   184         else
       
   185             {
       
   186             // state change already signalled from this power mode context, 
       
   187             // don't do it more than once. No action needed
       
   188             OsTracePrint( KPwrStateTransition, (TUint8*)
       
   189                 ("UMAC: WlanDynamicPowerModeMgmtCntx::OnFrameTx: statechange already signalled") );
       
   190             }
       
   191         }
       
   192     else
       
   193         {
       
   194         // dynamic power mode mgmt is not active => "No change" will be 
       
   195         // returned. No action needed
       
   196         }
       
   197         
       
   198     OsTracePrint( KPwrStateTransition, (TUint8*)
       
   199         ("UMAC: WlanDynamicPowerModeMgmtCntx::OnFrameTx: statechange: %d"),
       
   200         powerMgmtModeChange );
       
   201     
       
   202     return powerMgmtModeChange;
       
   203     }
       
   204 
       
   205 // ---------------------------------------------------------------------------
       
   206 // 
       
   207 // ---------------------------------------------------------------------------
       
   208 //
       
   209 TPowerMgmtModeChange WlanDynamicPowerModeMgmtCntx::OnFrameRx(
       
   210     WHA::TQueueId aAccessCategory,
       
   211     TUint16 aEtherType,
       
   212     TUint aPayloadLength,
       
   213     TDaType aDaType ) 
       
   214     { 
       
   215     TPowerMgmtModeChange powerMgmtModeChange( ENoChange );
       
   216 
       
   217     if ( iActiveCntx )
       
   218         {
       
   219         // we have an active context, i.e. we are doing power mode mgmt
       
   220         
       
   221         if ( !iStateChange )
       
   222             {
       
   223             powerMgmtModeChange = iActiveCntx->OnFrameRx( 
       
   224                 iWlanContextImpl, 
       
   225                 aAccessCategory,
       
   226                 aEtherType,
       
   227                 iIgnoreTraffic[aAccessCategory], 
       
   228                 aPayloadLength,
       
   229                 aDaType );
       
   230             
       
   231             if ( powerMgmtModeChange != ENoChange )
       
   232                 {
       
   233                 // as we will do a mode change, cancel any possibly running 
       
   234                 // power mode management timers
       
   235                 CancelTimeouts();
       
   236                 }
       
   237             }        
       
   238         else
       
   239             {
       
   240             // state change already signalled from this power mode context, 
       
   241             // don't do it more than once. No action needed
       
   242             OsTracePrint( KPwrStateTransition, (TUint8*)
       
   243                 ("UMAC: WlanDynamicPowerModeMgmtCntx::OnFrameRx: statechange already signalled") );
       
   244             }
       
   245         }
       
   246     else
       
   247         {
       
   248         // dynamic power mode mgmt is not active => "No change" will be 
       
   249         // returned. No action needed
       
   250         }
       
   251         
       
   252     OsTracePrint( KPwrStateTransition, (TUint8*)
       
   253         ("UMAC: WlanDynamicPowerModeMgmtCntx::OnFrameRx: statechange: %d"),
       
   254         powerMgmtModeChange );
       
   255     
       
   256     return powerMgmtModeChange;
       
   257     }
       
   258 
       
   259 // ---------------------------------------------------------------------------
       
   260 // 
       
   261 // ---------------------------------------------------------------------------
       
   262 //
       
   263 TBool WlanDynamicPowerModeMgmtCntx::OnActiveToLightPsTimerTimeout()
       
   264     {
       
   265     if ( ( iActiveCntx == &iActiveModeCntx ) && 
       
   266          ( iFlags & KToLightPsTimerStarted ) &&
       
   267          ( !iStateChange ) )
       
   268         {
       
   269         iFlags &= ~KToLightPsTimerStarted;
       
   270         
       
   271         iStateChange = iActiveCntx->OnActiveToLightPsTimerTimeout();
       
   272         
       
   273         OsTracePrint( KPwrStateTransition, (TUint8*)
       
   274             ("UMAC: WlanDynamicPowerModeMgmtCntx::OnActiveToLightPsTimerTimeout: change state: %d"),
       
   275             iStateChange );
       
   276         
       
   277         if ( !iStateChange )
       
   278             {
       
   279             RegisterToLightPsTimeout();
       
   280             }
       
   281         }
       
   282     else
       
   283         {
       
   284         // either 
       
   285         // the timeout occurred in a wrong context or totally without an active
       
   286         // context (i.e. when we are not doing dynamic power mode mgmt) OR
       
   287         // the timer is not started, i.e. the timeout occurred when we weren't 
       
   288         // expecting it (which means that the timeout callback had already been
       
   289         // registered when we tried to cancel this timer the previous time) OR
       
   290         // a state change has already been signalled from this power mode 
       
   291         // context.
       
   292         // In all these cases the timeout is not relevant and we take no action
       
   293         OsTracePrint( KPwrStateTransition, (TUint8*)
       
   294             ("UMAC: WlanDynamicPowerModeMgmtCntx::OnActiveToLightPsTimerTimeout: not relevant timeout") );
       
   295         }
       
   296     
       
   297     return iStateChange;
       
   298     }
       
   299 
       
   300 // ---------------------------------------------------------------------------
       
   301 // 
       
   302 // ---------------------------------------------------------------------------
       
   303 //
       
   304 TBool WlanDynamicPowerModeMgmtCntx::OnLightPsToActiveTimerTimeout()
       
   305     {
       
   306     if ( ( iActiveCntx == &iLightPsModeCntx ) && 
       
   307          ( iFlags & KToActiveTimerStarted ) &&
       
   308          ( !iStateChange ) )
       
   309         {
       
   310         iFlags &= ~KToActiveTimerStarted;
       
   311 
       
   312         iStateChange = iActiveCntx->OnLightPsToActiveTimerTimeout( 
       
   313             iWlanContextImpl );
       
   314 
       
   315         OsTracePrint( KPwrStateTransition, (TUint8*)
       
   316             ("UMAC: WlanDynamicPowerModeMgmtCntx::OnLightPsToActiveTimerTimeout: change state: %d"),
       
   317             iStateChange );
       
   318         
       
   319         // as we currently never do a mode change when this timeout occurs,
       
   320         // we arm the timer again
       
   321         RegisterToActiveTimeout();
       
   322         }
       
   323     else
       
   324         {
       
   325         // either 
       
   326         // the timeout occurred in a wrong context or totally without an active
       
   327         // context (i.e. when we are not doing dynamic power mode mgmt) OR
       
   328         // the timer is not started, i.e. the timeout occurred when we weren't 
       
   329         // expecting it (which means that the timeout callback had already been
       
   330         // registered when we tried to cancel this timer the previous time) OR
       
   331         // a state change has already been signalled from this power mode 
       
   332         // context.
       
   333         // In all these cases the timeout is not relevant and we take no action
       
   334         OsTracePrint( KPwrStateTransition, (TUint8*)
       
   335             ("UMAC: WlanDynamicPowerModeMgmtCntx::OnLightPsToActiveTimerTimeout: not relevant timeout") );
       
   336         }
       
   337     
       
   338     return iStateChange;
       
   339     }
       
   340 
       
   341 // ---------------------------------------------------------------------------
       
   342 // 
       
   343 // ---------------------------------------------------------------------------
       
   344 //
       
   345 TBool WlanDynamicPowerModeMgmtCntx::OnLightPsToDeepPsTimerTimeout()
       
   346     {
       
   347     if ( ( iActiveCntx == &iLightPsModeCntx ) && 
       
   348          ( iFlags & KToDeepPsTimerStarted ) &&
       
   349          ( !iStateChange ) )
       
   350         {
       
   351         iFlags &= ~KToDeepPsTimerStarted;
       
   352 
       
   353         iStateChange = iActiveCntx->OnLightPsToDeepPsTimerTimeout();
       
   354         
       
   355         OsTracePrint( KPwrStateTransition, (TUint8*)
       
   356             ("UMAC: WlanDynamicPowerModeMgmtCntx::OnLightPsToDeepPsTimerTimeout: change state: %d"),
       
   357             iStateChange );
       
   358         
       
   359         if ( !iStateChange )
       
   360             {
       
   361             RegisterToDeepPsTimeout();
       
   362             }
       
   363         }
       
   364     else
       
   365         {
       
   366         // either 
       
   367         // the timeout occurred in a wrong context or totally without an active
       
   368         // context (i.e. when we are not doing dynamic power mode mgmt) OR
       
   369         // the timer is not started, i.e. the timeout occurred when we weren't 
       
   370         // expecting it (which means that the timeout callback had already been
       
   371         // registered when we tried to cancel this timer the previous time) OR
       
   372         // a state change has already been signalled from this power mode 
       
   373         // context.
       
   374         // In all these cases the timeout is not relevant and we take no action
       
   375         OsTracePrint( KPwrStateTransition, (TUint8*)
       
   376             ("UMAC: WlanDynamicPowerModeMgmtCntx::OnLightPsToDeepPsTimerTimeout: not relevant timeout") );
       
   377         }
       
   378     
       
   379     return iStateChange;
       
   380     }
       
   381 
       
   382 // ---------------------------------------------------------------------------
       
   383 // 
       
   384 // ---------------------------------------------------------------------------
       
   385 //
       
   386 void WlanDynamicPowerModeMgmtCntx::SetParameters(
       
   387     TUint32 aToLightPsTimeout,
       
   388     TUint16 aToLightPsFrameThreshold,
       
   389     TUint32 aToActiveTimeout,
       
   390     TUint16 aToActiveFrameThreshold,
       
   391     TUint32 aToDeepPsTimeout,
       
   392     TUint16 aToDeepPsFrameThreshold,
       
   393     TUint16 aUapsdRxFrameLengthThreshold )
       
   394     {
       
   395     OsTracePrint( KPwrStateTransition, (TUint8*)
       
   396         ("UMAC: WlanDynamicPowerModeMgmtCntx::SetParameters") );
       
   397 
       
   398     iToLightPsTimeout = aToLightPsTimeout;
       
   399     iActiveModeCntx.SetParameters( 
       
   400         aToLightPsFrameThreshold, 
       
   401         aUapsdRxFrameLengthThreshold );
       
   402 
       
   403     iToActiveTimeout = aToActiveTimeout;
       
   404     iToDeepPsTimeout = aToDeepPsTimeout;
       
   405     iLightPsModeCntx.SetParameters(
       
   406         aToActiveFrameThreshold,
       
   407         aToDeepPsFrameThreshold,
       
   408         aUapsdRxFrameLengthThreshold );
       
   409     }
       
   410 
       
   411 // ---------------------------------------------------------------------------
       
   412 // 
       
   413 // ---------------------------------------------------------------------------
       
   414 //
       
   415 void WlanDynamicPowerModeMgmtCntx::ConfigureTrafficOverride( 
       
   416     TBool aStayInPsDespiteUapsdVoiceTraffic,
       
   417     TBool aStayInPsDespiteUapsdVideoTraffic,
       
   418     TBool aStayInPsDespiteUapsdBestEffortTraffic, 
       
   419     TBool aStayInPsDespiteUapsdBackgroundTraffic,
       
   420     TBool aStayInPsDespiteLegacyVoiceTraffic,
       
   421     TBool aStayInPsDespiteLegacyVideoTraffic,
       
   422     TBool aStayInPsDespiteLegacyBestEffortTraffic,
       
   423     TBool aStayInPsDespiteLegacyBackgroundTraffic )
       
   424     {
       
   425     if ( aStayInPsDespiteUapsdVoiceTraffic )
       
   426         {
       
   427         iFlags |= KStayInPsDespiteUapsdVoiceTraffic;
       
   428         }
       
   429     else
       
   430         {
       
   431         iFlags &= ~KStayInPsDespiteUapsdVoiceTraffic;        
       
   432         }
       
   433 
       
   434     if ( aStayInPsDespiteUapsdVideoTraffic )
       
   435         {
       
   436         iFlags |= KStayInPsDespiteUapsdVideoTraffic;
       
   437         }
       
   438     else
       
   439         {
       
   440         iFlags &= ~KStayInPsDespiteUapsdVideoTraffic;        
       
   441         }
       
   442 
       
   443     if ( aStayInPsDespiteUapsdBestEffortTraffic )
       
   444         {
       
   445         iFlags |= KStayInPsDespiteUapsdBestEffortTraffic;
       
   446         }
       
   447     else
       
   448         {
       
   449         iFlags &= ~KStayInPsDespiteUapsdBestEffortTraffic;        
       
   450         }
       
   451 
       
   452     if ( aStayInPsDespiteUapsdBackgroundTraffic )
       
   453         {
       
   454         iFlags |= KStayInPsDespiteUapsdBackgroundTraffic;
       
   455         }
       
   456     else
       
   457         {
       
   458         iFlags &= ~KStayInPsDespiteUapsdBackgroundTraffic;        
       
   459         }
       
   460 
       
   461     if ( aStayInPsDespiteLegacyVoiceTraffic )
       
   462         {
       
   463         iFlags |= KStayInPsDespiteLegacyVoiceTraffic;
       
   464         }
       
   465     else
       
   466         {
       
   467         iFlags &= ~KStayInPsDespiteLegacyVoiceTraffic;        
       
   468         }
       
   469 
       
   470     if ( aStayInPsDespiteLegacyVideoTraffic )
       
   471         {
       
   472         iFlags |= KStayInPsDespiteLegacyVideoTraffic;
       
   473         }
       
   474     else
       
   475         {
       
   476         iFlags &= ~KStayInPsDespiteLegacyVideoTraffic;        
       
   477         }
       
   478 
       
   479     if ( aStayInPsDespiteLegacyBestEffortTraffic )
       
   480         {
       
   481         iFlags |= KStayInPsDespiteLegacyBestEffortTraffic;
       
   482         }
       
   483     else
       
   484         {
       
   485         iFlags &= ~KStayInPsDespiteLegacyBestEffortTraffic;        
       
   486         }
       
   487 
       
   488     if ( aStayInPsDespiteLegacyBackgroundTraffic )
       
   489         {
       
   490         iFlags |= KStayInPsDespiteLegacyBackgroundTraffic;
       
   491         }
       
   492     else
       
   493         {
       
   494         iFlags &= ~KStayInPsDespiteLegacyBackgroundTraffic;        
       
   495         }
       
   496     }
       
   497 
       
   498 // ---------------------------------------------------------------------------
       
   499 // 
       
   500 // ---------------------------------------------------------------------------
       
   501 //
       
   502 void WlanDynamicPowerModeMgmtCntx::FreezeTrafficOverride()
       
   503     {
       
   504     if ( iWlanContextImpl.UapsdUsedForBestEffort() )
       
   505         {
       
   506         iIgnoreTraffic[WHA::ELegacy] = StayInPsDespiteUapsdBestEffortTraffic() ? 
       
   507             ETrue : EFalse;
       
   508         }
       
   509     else
       
   510         {
       
   511         iIgnoreTraffic[WHA::ELegacy] = StayInPsDespiteLegacyBestEffortTraffic() ? 
       
   512             ETrue : EFalse;
       
   513         }
       
   514 
       
   515     if ( iWlanContextImpl.UapsdUsedForBackground() )
       
   516         {
       
   517         iIgnoreTraffic[WHA::EBackGround] = StayInPsDespiteUapsdBackgroundTraffic() ? 
       
   518             ETrue : EFalse;
       
   519         }
       
   520     else
       
   521         {
       
   522         iIgnoreTraffic[WHA::EBackGround] = StayInPsDespiteLegacyBackgroundTraffic() ? 
       
   523             ETrue : EFalse;
       
   524         }
       
   525 
       
   526     if ( iWlanContextImpl.UapsdUsedForVideo() )
       
   527         {
       
   528         iIgnoreTraffic[WHA::EVideo] = StayInPsDespiteUapsdVideoTraffic() ? 
       
   529             ETrue : EFalse;
       
   530         }
       
   531     else
       
   532         {
       
   533         iIgnoreTraffic[WHA::EVideo] = StayInPsDespiteLegacyVideoTraffic() ? 
       
   534             ETrue : EFalse;
       
   535         }
       
   536 
       
   537     if ( iWlanContextImpl.UapsdUsedForVoice() )
       
   538         {
       
   539         iIgnoreTraffic[WHA::EVoice] = StayInPsDespiteUapsdVoiceTraffic() ? 
       
   540             ETrue : EFalse;
       
   541         }
       
   542     else
       
   543         {
       
   544         iIgnoreTraffic[WHA::EVoice] = StayInPsDespiteLegacyVoiceTraffic() ? 
       
   545             ETrue : EFalse;
       
   546         }
       
   547 
       
   548 #ifndef NDEBUG
       
   549     OsTracePrint( KPwrStateTransition | KQos, (TUint8*)
       
   550         ("UMAC: WlanDynamicPowerModeMgmtCntx::FreezeTrafficOverride: traffic ignoration for BE, BG, VI, VO, HCCA frozen to:") );
       
   551 
       
   552     for ( TUint accessCategory = WHA::ELegacy; 
       
   553           accessCategory < WHA::EQueueIdMax;
       
   554           ++accessCategory )
       
   555         {
       
   556         OsTracePrint( KPwrStateTransition | KQos, (TUint8*)
       
   557             ("UMAC: WlanDynamicPowerModeMgmtCntx::FreezeTrafficOverride: ignore traffic: %d"), 
       
   558             iIgnoreTraffic[accessCategory] );        
       
   559         }
       
   560 #endif // !NDEBUG
       
   561     }
       
   562 
       
   563 // ---------------------------------------------------------------------------
       
   564 // 
       
   565 // ---------------------------------------------------------------------------
       
   566 //
       
   567 void WlanDynamicPowerModeMgmtCntx::RegisterToLightPsTimeout()
       
   568     {
       
   569     if ( !( iFlags & KToLightPsTimerStarted ) )
       
   570         {
       
   571         iFlags |= KToLightPsTimerStarted;
       
   572         
       
   573         iWlanContextImpl.iUmac.RegisterTimeout( 
       
   574             iToLightPsTimeout, 
       
   575             EWlanActiveToLightPsTimer );        
       
   576         }
       
   577     else
       
   578         {
       
   579         // timer already running; no action needed
       
   580         }
       
   581     }
       
   582 
       
   583 // ---------------------------------------------------------------------------
       
   584 // 
       
   585 // ---------------------------------------------------------------------------
       
   586 //
       
   587 void WlanDynamicPowerModeMgmtCntx::RegisterToActiveTimeout()
       
   588     {
       
   589     if ( !( iFlags & KToActiveTimerStarted ) )
       
   590         {
       
   591         iFlags |= KToActiveTimerStarted;
       
   592         
       
   593         iWlanContextImpl.iUmac.RegisterTimeout( 
       
   594             iToActiveTimeout, 
       
   595             EWlanLightPsToActiveTimer );        
       
   596         }
       
   597     else
       
   598         {
       
   599         // timer already running; no action needed
       
   600         }
       
   601     }
       
   602 
       
   603 // ---------------------------------------------------------------------------
       
   604 // 
       
   605 // ---------------------------------------------------------------------------
       
   606 //
       
   607 void WlanDynamicPowerModeMgmtCntx::RegisterToDeepPsTimeout()
       
   608     {
       
   609     if ( !( iFlags & KToDeepPsTimerStarted ) )
       
   610         {
       
   611         iFlags |= KToDeepPsTimerStarted;
       
   612         
       
   613         iWlanContextImpl.iUmac.RegisterTimeout( 
       
   614             iToDeepPsTimeout, 
       
   615             EWlanLightPsToDeepPsTimer );        
       
   616         }
       
   617     else
       
   618         {
       
   619         // timer already running; no action needed
       
   620         }
       
   621     }
       
   622 
       
   623 // ---------------------------------------------------------------------------
       
   624 // 
       
   625 // ---------------------------------------------------------------------------
       
   626 //
       
   627 void WlanDynamicPowerModeMgmtCntx::CancelToLightPsTimeout()
       
   628     {
       
   629     if ( iFlags & KToLightPsTimerStarted )
       
   630         {
       
   631         iFlags &= ~KToLightPsTimerStarted;
       
   632         iWlanContextImpl.iUmac.CancelTimeout( EWlanActiveToLightPsTimer );
       
   633         }
       
   634     }
       
   635 
       
   636 // ---------------------------------------------------------------------------
       
   637 // 
       
   638 // ---------------------------------------------------------------------------
       
   639 //
       
   640 void WlanDynamicPowerModeMgmtCntx::CancelToActiveTimeout()
       
   641     {
       
   642     if ( iFlags & KToActiveTimerStarted )
       
   643         {
       
   644         iFlags &= ~KToActiveTimerStarted;
       
   645         iWlanContextImpl.iUmac.CancelTimeout( EWlanLightPsToActiveTimer );
       
   646         }
       
   647     }
       
   648 
       
   649 // ---------------------------------------------------------------------------
       
   650 // 
       
   651 // ---------------------------------------------------------------------------
       
   652 //
       
   653 void WlanDynamicPowerModeMgmtCntx::CancelToDeepPsTimeout()
       
   654     {
       
   655     if ( iFlags & KToDeepPsTimerStarted )
       
   656         {
       
   657         iFlags &= ~KToDeepPsTimerStarted;
       
   658         iWlanContextImpl.iUmac.CancelTimeout( EWlanLightPsToDeepPsTimer );
       
   659         }
       
   660     }