1 /*

     2 * Copyright (c) 2008-2009 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 WlanDeepPsModePowerModeMgr class

    15 *

    16 */

    17 

    18 /*

    19 * %version: 3 %

    20 */

    21 

    22 #include "config.h"

    23 #include "umacdeeppsmodepowermodemgr.h"

    24 #include "UmacContextImpl.h"

    25 

    26 

    27 // ================= MEMBER FUNCTIONS =======================

    28 

    29 // ---------------------------------------------------------------------------

    30 // 

    31 // ---------------------------------------------------------------------------

    32 //

    33 WlanDeepPsModePowerModeMgr::WlanDeepPsModePowerModeMgr() 

    34     {

    35     }

    36 

    37 // ---------------------------------------------------------------------------

    38 // 

    39 // ---------------------------------------------------------------------------

    40 //

    41 WlanDeepPsModePowerModeMgr::~WlanDeepPsModePowerModeMgr() 

    42     {

    43     }

    44 

    45 // ---------------------------------------------------------------------------

    46 // 

    47 // ---------------------------------------------------------------------------

    48 //

    49 TPowerMgmtModeChange WlanDeepPsModePowerModeMgr::OnFrameTx( 

    50     WlanContextImpl& /*aCtxImpl*/, 

    51     WHA::TQueueId /*aQueueId*/,

    52     TUint16 aEtherType,

    53     TBool /*aIgnoreThisFrame*/ )

    54     {

    55     TPowerMgmtModeChange powerMgmtModeChange( ENoChange );

    56 

    57     if ( aEtherType == KEapolType ||

    58          aEtherType == KWaiType )

    59         {

    60         powerMgmtModeChange = EToActive;

    61 

    62         OsTracePrint( KPwrStateTransition, (TUint8*)

    63             ("UMAC: WlanDeepPsModePowerModeMgr::OnFrameTx: EAPOL or WAI frame; change to Active") );            

    64         }

    65     else

    66         {

    67         powerMgmtModeChange = EToLightPs; 

    68 

    69         OsTracePrint( KPwrStateTransition, (TUint8*)

    70             ("UMAC: WlanDeepPsModePowerModeMgr::OnFrameTx: change to Light PS") );            

    71         }

    72     

    73     return powerMgmtModeChange;    

    74     }

    75 

    76 // ---------------------------------------------------------------------------

    77 // 

    78 // ---------------------------------------------------------------------------

    79 //

    80 TPowerMgmtModeChange WlanDeepPsModePowerModeMgr::OnFrameRx( 

    81     WlanContextImpl& /*aCtxImpl*/,

    82     WHA::TQueueId /*aAccessCategory*/,

    83     TUint16 aEtherType,

    84     TBool /*aIgnoreThisFrame*/,

    85     TUint /*aPayloadLength*/,

    86     TDaType aDaType ) 

    87     {

    88     TPowerMgmtModeChange powerMgmtModeChange( ENoChange );

    89 

    90     if ( aEtherType == KEapolType ||

    91          aEtherType == KWaiType )

    92         {

    93         powerMgmtModeChange = EToActive;

    94 

    95         OsTracePrint( KPwrStateTransition, (TUint8*)

    96             ("UMAC: WlanDeepPsModePowerModeMgr::OnFrameRx: EAPOL or WAI frame; change to Active") );            

    97         }

    98     else if ( aDaType == EBroadcastAddress ) 

    99         {

   100         // no action needed

   101         

   102         OsTracePrint( KPwrStateTransition, (TUint8*)

   103             ("UMAC: WlanDeepPsModePowerModeMgr::OnFrameRx: bcast frame; no state change") );            

   104         }

   105     else

   106         {

   107         powerMgmtModeChange = EToLightPs;        

   108 

   109         OsTracePrint( KPwrStateTransition, (TUint8*)

   110             ("UMAC: WlanDeepPsModePowerModeMgr::OnFrameRx: change to Light PS") );            

   111         }

   112     

   113     return powerMgmtModeChange;    

   114     }