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1 /* |
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2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Implementation of the WlanDot11PwrMgmtTransitionMode class. |
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15 * |
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16 */ |
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17 |
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18 /* |
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19 * %version: 22 % |
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20 */ |
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21 |
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22 #include "config.h" |
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23 #include "umacdot11pwrmgmttransitionmode.h" |
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24 #include "UmacContextImpl.h" |
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25 #include "UmacWsaSetPsMode.h" |
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26 #include "UmacWsaWriteMib.h" |
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27 |
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28 #ifndef NDEBUG |
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29 const TInt8 WlanDot11PwrMgmtTransitionMode::iName[] |
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30 = "dot11-pwrmgmttransitionmode"; |
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31 |
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32 const TUint8 WlanDot11PwrMgmtTransitionMode::iStateName |
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33 [ESTATEMAX][KMaxStateStringLength] = |
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34 { |
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35 {"EINIT"}, |
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36 {"ESETAWAKEMODE"}, |
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37 {"ESETWAKEUPINTERVAL"}, |
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38 {"ESETPSMODE"}, |
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39 {"EWAIT4PWRMGMTTRANSITCOMPLETE"}, |
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40 {"ECONTINUEDOT11TRAVERSE"} |
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41 }; |
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42 |
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43 const TUint8 WlanDot11PwrMgmtTransitionMode::iEventName |
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44 [EEVENTMAX][KMaxEventStringLength] = |
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45 { |
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46 {"ESTATEENTRY"}, |
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47 {"ETXCOMPLETE"}, |
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48 {"EPWRMGMTTRANSITCOMPLETE"}, |
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49 {"EABORT"} |
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50 }; |
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51 #endif |
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52 |
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53 // this flag is set if we only need to set the wakeup interval. |
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54 const TUint32 KOnlySetWakeupInterval = ( 1 << 0 ); |
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55 // this flag is set if the status of the latest Set Ps Mode cmd was Success |
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56 const TUint32 KSetPsModeSuccess = ( 1 << 1 ); |
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57 |
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58 // ============================ MEMBER FUNCTIONS =============================== |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // The internal state transition method. |
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62 // It is guaranteed by the FSM framework that no WHA command is pending |
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63 // when this method is entered |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 void WlanDot11PwrMgmtTransitionMode::ChangeInternalState( |
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67 WlanContextImpl& aCtxImpl, |
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68 TState aNewState ) |
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69 { |
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70 iState = aNewState; |
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71 Fsm( aCtxImpl, ESTATEENTRY ); |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // The event dispatcher method. |
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76 // It is guaranteed by the FSM framework that no WHA command is pending |
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77 // when this method is entered |
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78 // ----------------------------------------------------------------------------- |
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79 // |
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80 void WlanDot11PwrMgmtTransitionMode::Fsm( |
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81 WlanContextImpl& aCtxImpl, |
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82 TEvent aEvent ) |
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83 { |
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84 OsTracePrint( KPwrStateTransition, |
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85 (TUint8*)("UMAC * dot11-pwrmgmttransitionmode * FSM EVENT") ); |
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86 #ifndef NDEBUG |
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87 OsTracePrint( KPwrStateTransition, (TUint8*)("event:")); |
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88 OsTracePrint( KPwrStateTransition, iEventName[aEvent] ); |
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89 OsTracePrint( KPwrStateTransition, (TUint8*)("state:")); |
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90 OsTracePrint( KPwrStateTransition, iStateName[iState] ); |
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91 #endif |
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92 |
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93 switch ( aEvent ) |
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94 { |
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95 case ESTATEENTRY: |
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96 OnStateEntryEvent( aCtxImpl ); |
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97 break; |
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98 case ETXCOMPLETE: |
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99 OnTxCompleteEvent( aCtxImpl ); |
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100 break; |
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101 case EPWRMGMTTRANSITCOMPLETE: |
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102 OnPwrMgmtTransitCompleteEvent( aCtxImpl ); |
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103 break; |
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104 case EABORT: |
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105 OnAbortEvent( aCtxImpl ); |
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106 break; |
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107 default: |
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108 // catch internal FSM programming error |
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109 #ifndef NDEBUG |
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110 OsTracePrint( KErrorLevel, (TUint8*)("event:")); |
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111 OsTracePrint( KErrorLevel, iEventName[aEvent] ); |
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112 #endif |
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113 OsAssert( (TUint8*)("* UMAC * panic"), |
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114 (TUint8*)(WLAN_FILE), __LINE__ ); |
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115 break; |
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116 } |
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117 } |
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118 |
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119 // ----------------------------------------------------------------------------- |
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120 // Handler for the event. |
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121 // It is guaranteed by the FSM framework that no WHA command is pending |
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122 // when this method is entered |
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123 // ----------------------------------------------------------------------------- |
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124 // |
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125 void WlanDot11PwrMgmtTransitionMode::OnStateEntryEvent( |
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126 WlanContextImpl& aCtxImpl ) |
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127 { |
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128 TState state( ESTATEMAX ); |
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129 |
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130 switch ( iState ) |
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131 { |
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132 case EINIT: |
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133 iFlags = 0; |
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134 // start of fsm traversal |
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135 // disable oid request so we run this fsm in non pre-emptive mode |
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136 // regarding oid commands |
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137 OsTracePrint( KPwrStateTransition, (TUint8*) |
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138 ("UMAC * dot11-pwrmgmttransitionmode * disable oid events") ); |
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139 |
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140 aCtxImpl.Disable( WlanEventDispatcher::KOidChannel ); |
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141 |
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142 if (// PS mode desired |
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143 aCtxImpl.DesiredDot11PwrMgmtMode() == WHA::KPsEnable |
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144 && // AND |
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145 // current mode is CAM |
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146 aCtxImpl.CurrentDot11PwrMgmtMode() == WHA::KPsDisable ) |
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147 { |
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148 // change to dot11 PS mode |
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149 // start by setting the wakeup interval |
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150 state = ESETWAKEUPINTERVAL; |
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151 } |
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152 else if (// CAM mode desired |
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153 aCtxImpl.DesiredDot11PwrMgmtMode() == WHA::KPsDisable |
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154 && // AND |
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155 // current mode is PS mode |
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156 aCtxImpl.CurrentDot11PwrMgmtMode() == WHA::KPsEnable ) |
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157 { |
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158 // change to dot11 CAM mode |
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159 state = ESETAWAKEMODE; |
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160 } |
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161 else |
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162 { |
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163 // we have a dot11 power management mode match. |
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164 // We can land here e.g. if user changes desired |
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165 // dot11 power management mode when we are excuting this fsm |
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166 // as we dispacth an oid as the fsm entry action. |
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167 // We can come here also when only the wakeup interval needs |
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168 // to be changed |
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169 |
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170 // if the current mode is PS mode we have to make sure |
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171 // that we have a wakeup interval match |
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172 if ( aCtxImpl.CurrentDot11PwrMgmtMode() == WHA::KPsEnable ) |
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173 { |
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174 // the way to do that is by re-setting (only) the wakeup |
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175 // interval - if necessary |
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176 iFlags |= KOnlySetWakeupInterval; |
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177 state = ESETWAKEUPINTERVAL; |
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178 } |
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179 else |
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180 { |
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181 // the current mode is CAM, so the wakeup interval is |
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182 // not relevant; and we are done |
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183 state = ECONTINUEDOT11TRAVERSE; |
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184 } |
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185 } |
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186 |
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187 ChangeInternalState( aCtxImpl, state ); |
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188 break; |
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189 case ESETAWAKEMODE: |
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190 ActivateDot11AwakeMode( aCtxImpl ); |
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191 break; |
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192 case ESETWAKEUPINTERVAL: |
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193 { |
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194 // first check if the wake-up setting already is what it should be. |
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195 // if that's the case, we won't set it again |
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196 |
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197 if ( DifferenceInPsModeWakeupSettings( aCtxImpl ) ) |
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198 { |
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199 // it's not what it needs to be, so set it |
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200 SetWakeUpInterval( aCtxImpl ); |
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201 } |
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202 else |
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203 { |
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204 // the wake-up setting is already correct, skip setting it again |
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205 // and simulate ETXCOMPLETE event instead |
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206 Fsm( aCtxImpl, ETXCOMPLETE ); |
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207 } |
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208 break; |
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209 } |
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210 case ESETPSMODE: |
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211 ActivateDot11PsMode( aCtxImpl ); |
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212 break; |
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213 case EWAIT4PWRMGMTTRANSITCOMPLETE: |
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214 // nothing to do here than just wait for completion |
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215 break; |
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216 case ECONTINUEDOT11TRAVERSE: |
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217 ContinueDot11StateTraversal( aCtxImpl ); |
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218 break; |
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219 default: |
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220 // catch internal FSM programming error |
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221 #ifndef NDEBUG |
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222 OsTracePrint( KErrorLevel, (TUint8*)("state:")); |
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223 OsTracePrint( KErrorLevel, iStateName[iState] ); |
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224 #endif |
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225 OsAssert( (TUint8*)("* UMAC * panic"), |
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226 (TUint8*)(WLAN_FILE), __LINE__ ); |
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227 break; |
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228 } |
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229 } |
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230 |
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231 // ----------------------------------------------------------------------------- |
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232 // Handler for the event. |
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233 // It is guaranteed by the FSM framework that no WHA command is pending |
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234 // when this method is entered |
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235 // ----------------------------------------------------------------------------- |
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236 // |
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237 void WlanDot11PwrMgmtTransitionMode::OnTxCompleteEvent( |
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238 WlanContextImpl& aCtxImpl ) |
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239 { |
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240 switch ( iState ) |
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241 { |
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242 case ESETAWAKEMODE: |
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243 case ESETPSMODE: |
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244 // as transition has sterted now we just wait for it to complete |
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245 ChangeInternalState( aCtxImpl, EWAIT4PWRMGMTTRANSITCOMPLETE ); |
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246 break; |
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247 case ESETWAKEUPINTERVAL: |
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248 if ( iFlags & KOnlySetWakeupInterval ) |
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249 { |
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250 // we only needed to set the wakeup interval. So we are |
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251 // done now |
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252 ChangeInternalState( aCtxImpl, ECONTINUEDOT11TRAVERSE ); |
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253 } |
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254 else |
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255 { |
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256 // we also need to set the PS mode. This is the most common case |
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257 ChangeInternalState( aCtxImpl, ESETPSMODE ); |
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258 } |
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259 break; |
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260 case EWAIT4PWRMGMTTRANSITCOMPLETE: |
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261 // a re-entry to this state has occurred while waiting for the |
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262 // CommandComplete event to the SetPsMode cmd. |
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263 // This will happen when we autonomously issue a (new) WHA cmd - |
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264 // during the above mentioned wait period - to react to a change |
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265 // which has occurred in the network (e.g. in the Use Protection |
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266 // setting or in the QoS parameters). |
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267 // Anyhow, no action is required here (except to allow for this |
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268 // re-entry to happen) |
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269 break; |
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270 default: |
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271 // catch internal FSM programming error |
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272 #ifndef NDEBUG |
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273 OsTracePrint( KErrorLevel, (TUint8*)("state:")); |
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274 OsTracePrint( KErrorLevel, iStateName[iState] ); |
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275 #endif |
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276 OsAssert( (TUint8*)("* UMAC * panic"), |
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277 (TUint8*)(WLAN_FILE), __LINE__ ); |
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278 break; |
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279 } |
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280 } |
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281 |
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282 // ----------------------------------------------------------------------------- |
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283 // Handler for the event. |
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284 // It is guaranteed by the FSM framework that no WHA command is pending |
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285 // when this method is entered |
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286 // ----------------------------------------------------------------------------- |
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287 // |
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288 void WlanDot11PwrMgmtTransitionMode::OnPwrMgmtTransitCompleteEvent( |
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289 WlanContextImpl& aCtxImpl ) |
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290 { |
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291 // we can continue dot11 state traversal |
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292 ChangeInternalState( aCtxImpl, ECONTINUEDOT11TRAVERSE ); |
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293 } |
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294 |
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295 // --------------------------------------------------------- |
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296 // simulate macnotresponding error |
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297 // --------------------------------------------------------- |
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298 // |
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299 void WlanDot11PwrMgmtTransitionMode::OnAbortEvent( |
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300 WlanContextImpl& aCtxImpl ) |
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301 { |
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302 OsTracePrint( KWarningLevel, |
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303 (TUint8*)("UMAC * dot11-pwrmgmttransitionmode * abort") ); |
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304 |
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305 DoErrorIndication( aCtxImpl, WHA::KErrorMacNotResponding ); |
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306 } |
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307 |
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308 // ----------------------------------------------------------------------------- |
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309 // Handler for the event. |
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310 // It is guaranteed by the FSM framework that no WHA command is pending |
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311 // when this method is entered |
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312 // ----------------------------------------------------------------------------- |
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313 // |
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314 void WlanDot11PwrMgmtTransitionMode::ActivateDot11AwakeMode( |
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315 WlanContextImpl& aCtxImpl ) |
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316 { |
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317 WlanWsaSetPsMode& wha_cmd( aCtxImpl.WsaSetPsMode() ); |
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318 wha_cmd.Set( aCtxImpl, WHA::KPsDisable ); |
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319 |
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320 // change global state: entry procedure triggers action |
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321 ChangeState( aCtxImpl, |
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322 *this, // prev state |
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323 wha_cmd // next state |
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324 ); |
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325 } |
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326 |
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327 // ----------------------------------------------------------------------------- |
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328 // Handler for the event. |
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329 // It is guaranteed by the FSM framework that no WHA command is pending |
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330 // when this method is entered |
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331 // ----------------------------------------------------------------------------- |
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332 // |
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333 void WlanDot11PwrMgmtTransitionMode::SetWakeUpInterval( |
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334 WlanContextImpl& aCtxImpl ) |
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335 { |
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336 WHA::SwlanWakeUpInterval* mib |
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337 = static_cast<WHA::SwlanWakeUpInterval*> |
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338 (os_alloc( sizeof( WHA::SwlanWakeUpInterval ) )); |
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339 |
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340 if ( !mib ) |
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341 { |
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342 // allocation failed |
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343 // simulate macnotresponding error |
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344 OsTracePrint( KWarningLevel, (TUint8*) |
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345 ("UMAC: WlanDot11PwrMgmtTransitionMode::SetWakeUpInterval: alloc failed, abort") ); |
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346 Fsm( aCtxImpl, EABORT ); |
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347 return; |
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348 } |
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349 |
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350 // determine the desired new wake-up setting |
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351 const TDot11PsModeWakeupSetting KDesiredPsModeConfig ( |
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352 aCtxImpl.DesiredPsModeConfig() ); |
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353 |
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354 // take it into use |
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355 |
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356 mib->iMode = KDesiredPsModeConfig.iWakeupMode; |
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357 mib->iListenInterval = KDesiredPsModeConfig.iListenInterval; |
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358 |
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359 WlanWsaWriteMib& wha_cmd = aCtxImpl.WsaWriteMib(); |
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360 |
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361 wha_cmd.Set( |
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362 aCtxImpl, WHA::KMibWlanWakeUpInterval, sizeof(*mib), mib ); |
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363 |
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364 OsTracePrint( KPwrStateTransition, (TUint8*) |
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365 ("UMAC: UMAC: WlanDot11PwrMgmtTransitionMode::SetWakeUpInterval: desired mode: %d"), |
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366 mib->iMode ); |
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367 OsTracePrint( KPwrStateTransition, |
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368 (TUint8*)("UMAC: desired listeninterval: %d"), mib->iListenInterval ); |
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369 |
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370 // store the new setting also locally |
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371 aCtxImpl.iWlanMib.iWlanWakeupInterval = mib->iMode; |
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372 aCtxImpl.iWlanMib.iWlanListenInterval = mib->iListenInterval; |
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373 |
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374 // change global state: entry procedure triggers action |
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375 ChangeState( aCtxImpl, |
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376 *this, // prev state |
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377 wha_cmd // next state |
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378 ); |
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379 |
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380 // as the parameters have been supplied we can now deallocate |
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381 os_free( mib ); |
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382 } |
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383 |
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384 // ----------------------------------------------------------------------------- |
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385 // Handler for the event. |
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386 // It is guaranteed by the FSM framework that no WHA command is pending |
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387 // when this method is entered |
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388 // ----------------------------------------------------------------------------- |
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389 // |
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390 void WlanDot11PwrMgmtTransitionMode::ActivateDot11PsMode( |
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391 WlanContextImpl& aCtxImpl ) |
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392 { |
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393 WlanWsaSetPsMode& wha_cmd( aCtxImpl.WsaSetPsMode() ); |
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394 wha_cmd.Set( aCtxImpl, WHA::KPsEnable ); |
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395 |
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396 // change global state: entry procedure triggers action |
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397 ChangeState( aCtxImpl, |
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398 *this, // prev state |
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399 wha_cmd // next state |
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400 ); |
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401 } |
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402 |
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403 // ----------------------------------------------------------------------------- |
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404 // Handler for the event. |
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405 // It is guaranteed by the FSM framework that no WHA command is pending |
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406 // when this method is entered |
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407 // ----------------------------------------------------------------------------- |
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408 // |
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409 void WlanDot11PwrMgmtTransitionMode::ContinueDot11StateTraversal( |
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410 WlanContextImpl& aCtxImpl ) |
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411 { |
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412 if ( !( iFlags & KOnlySetWakeupInterval ) ) |
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413 { |
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414 // we have tried to change the power mgmt mode with SetPsMode |
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415 // WHA command |
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416 |
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417 if ( iFlags & KSetPsModeSuccess ) |
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418 { |
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419 // the Set PS Mode WHA cmd was successfully executed, which means |
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420 // that we were able to communicate with the AP. |
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421 // So we can indicate BSS Regained; if necessary |
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422 DoRegainedBSSIndication( aCtxImpl ); |
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423 } |
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424 else |
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425 { |
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426 if ( !aCtxImpl.SetPsModeCount() ) |
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427 { |
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428 // the set power mgmt mode counter has counted down to zero, so |
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429 // we will indicate Consecutive Power Mode Set Failures (unless |
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430 // already indicated) to WLAN Mgmt Client |
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431 DoConsecutivePwrModeSetFailuresIndication( aCtxImpl ); |
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432 // reset the counter |
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433 aCtxImpl.SetPsModeCount(); |
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434 // it's possible that we come to this branch again shortly, |
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435 // but it really doesn't matter. In any case we will indicate |
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436 // Consecutive Power Mode Set Failures only once at maximum |
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437 } |
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438 else |
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439 { |
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440 // we have made one (more) unsuccessful attempt to set the power |
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441 // mgmt mode, so decrement the counter by one |
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442 aCtxImpl.DecrementSetPsModeCount(); |
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443 } |
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444 } |
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445 } |
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446 |
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447 TBool dot11PwrMgmtTransitComplete ( EFalse ); |
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448 const WHA::TPsMode KCurrentPwrMgmtMode( |
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449 aCtxImpl.CurrentDot11PwrMgmtMode() ); |
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450 |
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451 if ( KCurrentPwrMgmtMode == aCtxImpl.DesiredDot11PwrMgmtMode() ) |
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452 { |
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453 // current dot11 power management mode equals to desired mode |
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454 |
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455 if ( KCurrentPwrMgmtMode == WHA::KPsEnable ) |
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456 { |
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457 // as the current and desired mode is PS, we are only done |
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458 // if also the wakeup settings are as desired |
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459 if ( !DifferenceInPsModeWakeupSettings( aCtxImpl ) ) |
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460 { |
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461 dot11PwrMgmtTransitComplete = ETrue; |
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462 } |
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463 else |
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464 { |
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465 OsTracePrint( KPwrStateTransition, |
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466 (TUint8*)("UMAC: wakeup settings not as desired") ); |
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467 } |
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468 } |
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469 else |
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470 { |
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471 // as the current and desired mode is CAM, we are done |
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472 dot11PwrMgmtTransitComplete = ETrue; |
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473 } |
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474 } |
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475 else |
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476 { |
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477 // current dot11 power management mode does not equal to desired mode. |
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478 // Se we are not done and will need to try to do the mode change again. |
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479 // No action here. |
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480 } |
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481 |
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482 if ( dot11PwrMgmtTransitComplete ) |
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483 { |
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484 // desired dot11 power management mode - and settings if the desired |
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485 // mode is PS - have been acquired |
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486 |
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487 ChangeState( aCtxImpl, |
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488 *this, // prev state |
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489 aCtxImpl.iStates.iInfrastructureNormalMode ); // next state |
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490 |
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491 if ( aCtxImpl.CurrentDot11PwrMgmtMode() == WHA::KPsEnable ) |
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492 { |
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493 // as we have entered PS mode, it is time to resume QoS null |
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494 // data frame sending, if applicable |
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495 aCtxImpl.ResumeQosNullSending(); |
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496 } |
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497 } |
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498 else |
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499 { |
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500 // dot11 power management mode/settings are not as desired, yet. |
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501 // We shall repeat this process |
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502 |
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503 ChangeState( aCtxImpl, |
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504 *this, // prev state |
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505 *this // next state |
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506 ); |
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507 } |
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508 } |
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509 |
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510 // ----------------------------------------------------------------------------- |
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511 // |
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512 // ----------------------------------------------------------------------------- |
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513 // |
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514 void WlanDot11PwrMgmtTransitionMode::Entry( |
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515 WlanContextImpl& aCtxImpl ) |
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516 { |
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517 if ( aCtxImpl.WsaCmdActive() ) |
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518 { |
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519 // sanity checking code |
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520 OsAssert( |
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521 (TUint8*)("UMAC * panic"), (TUint8*)(WLAN_FILE), __LINE__ ); |
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522 } |
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523 |
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524 if ( !(aCtxImpl.DispatchEvent()) ) |
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525 { |
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526 // no state transition occurred |
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527 // dispatcher might or might not have had an event to be dispatched |
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528 // in any case we are still in the current state and can continue... |
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529 if ( iState != EINIT ) |
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530 { |
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531 // this is NOT the start of the the FSM actions |
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532 // note that we send the ETXCOMPLETE event as the states |
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533 // that wait for it are the only ones that can be interrupted |
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534 // as they are asynchronous operations by nature |
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535 // and wait for corresponding WHA completion method |
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536 Fsm( aCtxImpl, ETXCOMPLETE ); |
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537 } |
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538 else |
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539 { |
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540 // this is the start of the the FSM actions |
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541 Fsm( aCtxImpl, ESTATEENTRY ); |
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542 } |
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543 } |
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544 else // --- !(aCtxImpl.DispatchEvent()) |
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545 { |
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546 // state transition occurred |
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547 // we are no longer in the current state, |
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548 // so we won't do anything as we might mess things up |
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549 } |
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550 } |
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551 |
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552 // ----------------------------------------------------------------------------- |
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553 // |
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554 // ----------------------------------------------------------------------------- |
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555 // |
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556 void WlanDot11PwrMgmtTransitionMode::Exit( |
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557 WlanContextImpl& aCtxImpl) |
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558 { |
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559 // reset fsm |
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560 iState = EINIT; |
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561 |
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562 // enable oid requests as we are exiting this dot11 state |
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563 OsTracePrint( KPwrStateTransition, (TUint8*) |
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564 ("UMAC * dot11-pwrmgmttransitionmode * enable oid events") ); |
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565 |
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566 aCtxImpl.Enable( WlanEventDispatcher::KOidChannel ); |
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567 } |
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568 |
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569 #ifndef NDEBUG |
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570 // ----------------------------------------------------------------------------- |
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571 // |
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572 // ----------------------------------------------------------------------------- |
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573 // |
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574 const TInt8* WlanDot11PwrMgmtTransitionMode::GetStateName( |
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575 TUint8& aLength ) const |
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576 { |
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577 aLength = sizeof( iName ); |
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578 return iName; |
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579 } |
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580 #endif |
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581 |
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582 // ----------------------------------------------------------------------------- |
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583 // |
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584 // ----------------------------------------------------------------------------- |
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585 // |
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586 TBool WlanDot11PwrMgmtTransitionMode::CommandComplete( |
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587 WlanContextImpl& aCtxImpl, |
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588 WHA::TCompleteCommandId aCompleteCommandId, |
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589 WHA::TStatus aStatus, |
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590 const WHA::UCommandCompletionParams& |
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591 aCommandCompletionParams ) |
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592 { |
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593 if ( aCompleteCommandId != WHA::ESetPsModeComplete ) |
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594 { |
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595 // implementation error |
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596 OsTracePrint( KErrorLevel, (TUint8*)("UMAC: command id: %d"), aCompleteCommandId); |
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597 OsAssert( (TUint8*)("UMAC panic"), (TUint8*)(WLAN_FILE), __LINE__ ); |
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598 } |
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599 |
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600 OsTracePrint( KPwrStateTransition, |
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601 (TUint8*)("UMAC: WlanDot11PwrMgmtTransitionMode::CommandComplete")); |
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602 |
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603 const WHA::TPsMode KCurrentPwrMgmtMode( |
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604 aCommandCompletionParams.iSetPsModeComplete.iDot11PowerManagementMode ); |
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605 aCtxImpl.CurrentDot11PwrMgmtMode( KCurrentPwrMgmtMode ); |
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606 |
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607 // make a note whether the SetPsMode WHA command was executed successfully |
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608 // or not |
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609 if ( aStatus == WHA::KSuccess ) |
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610 { |
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611 iFlags |= KSetPsModeSuccess; |
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612 |
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613 OsTracePrint( KPwrStateTransition, |
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614 (TUint8*)("UMAC: transition success: current mode: %d"), |
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615 KCurrentPwrMgmtMode); |
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616 } |
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617 else |
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618 { |
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619 iFlags &= ~KSetPsModeSuccess; |
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620 |
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621 OsTracePrint( KWarningLevel | KPwrStateTransition, |
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622 (TUint8*)("UMAC: transition failure: current mode: %d"), |
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623 KCurrentPwrMgmtMode); |
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624 } |
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625 |
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626 // continue fsm |
|
627 Fsm( aCtxImpl, EPWRMGMTTRANSITCOMPLETE ); |
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628 |
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629 // signal global state transition |
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630 return ETrue; |
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631 } |
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632 |
|
633 // ----------------------------------------------------------------------------- |
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634 // as oid reception is disbaled in this dot11 state, reception of this oid |
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635 // is a result of a manual oid dispatching |
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636 // ----------------------------------------------------------------------------- |
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637 // |
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638 TBool WlanDot11PwrMgmtTransitionMode::SetPowerMode( |
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639 WlanContextImpl& aCtxImpl, |
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640 TPowerMode aPowerMode, |
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641 TBool aDisableDynamicPowerModeManagement, |
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642 TWlanWakeUpInterval aWakeupModeInLightPs, |
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643 TUint8 aListenIntervalInLightPs, |
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644 TWlanWakeUpInterval aWakeupModeInDeepPs, |
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645 TUint8 aListenIntervalInDeepPs ) |
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646 { |
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647 OsTracePrint( KPwrStateTransition, |
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648 (TUint8*)("UMAC: WlanDot11PwrMgmtTransitionMode::SetPowerMode: desired power mode: %d"), |
|
649 aPowerMode ); |
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650 |
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651 // store desired new dot11 power management mode by WLAN Mgmt Client |
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652 aCtxImpl.ClientDot11PwrMgmtMode( aPowerMode ); |
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653 |
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654 aCtxImpl.DynamicPwrModeMgtDisabled( aDisableDynamicPowerModeManagement ); |
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655 |
|
656 // it is now also our desired dot11 power management mode |
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657 aCtxImpl.DesiredDot11PwrMgmtMode( aCtxImpl.ClientDot11PwrMgmtMode() ); |
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658 |
|
659 aCtxImpl.SetClientLightPsModeConfig( |
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660 aWakeupModeInLightPs, |
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661 aListenIntervalInLightPs ); |
|
662 |
|
663 aCtxImpl.SetClientDeepPsModeConfig( |
|
664 aWakeupModeInDeepPs, |
|
665 aListenIntervalInDeepPs ); |
|
666 |
|
667 // in case WLAN Mgmt Client wishes to use PS mode, Light PS is the initial |
|
668 // desired PS mode configuration |
|
669 aCtxImpl.SetDesiredPsModeConfig( |
|
670 aCtxImpl.ClientLightPsModeConfig() ); |
|
671 |
|
672 // complete the mgmt command |
|
673 OnOidComplete( aCtxImpl ); |
|
674 |
|
675 // signal that no state transition occurred |
|
676 return EFalse; |
|
677 } |