FreeCalypso > hg > fc-tourmaline
annotate src/g23m-gprs/grr/grr_pgs.c @ 303:f76436d19a7a default tip
!GPRS config: fix long-standing AT+COPS chance hanging bug
There has been a long-standing bug in FreeCalypso going back years:
sometimes in the AT command bring-up sequence of an ACI-only MS,
the AT+COPS command would produce only a power scan followed by
cessation of protocol stack activity (only L1 ADC traces), instead
of the expected network search sequence. This behaviour was seen
in different FC firmware versions going back to Citrine, and seemed
to follow some law of chance, not reliably repeatable.
This bug has been tracked down and found to be specific to !GPRS
configuration, stemming from our TCS2/TCS3 hybrid and reconstruction
of !GPRS support that was bitrotten in TCS3.2/LoCosto version.
ACI module psa_mms.c, needed only for !GPRS, was missing in the TCS3
version and had to be pulled from TCS2 - but as it turns out,
there is a new field in the MMR_REG_REQ primitive that needs to be
set correctly, and that psa_mms.c module is the place where this
initialization needed to be added.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 08 Jun 2023 08:23:37 +0000 |
parents | fa8dc04885d8 |
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rev | line source |
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1
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : GPRS (8441) |
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4 | Modul : GRR |
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5 +----------------------------------------------------------------------------- |
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6 | Copyright 2002 Texas Instruments Berlin, AG |
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7 | All rights reserved. |
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8 | |
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9 | This file is confidential and a trade secret of Texas |
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10 | Instruments Berlin, AG |
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11 | The receipt of or possession of this file does not convey |
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12 | any rights to reproduce or disclose its contents or to |
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13 | manufacture, use, or sell anything it may describe, in |
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14 | whole, or in part, without the specific written consent of |
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15 | Texas Instruments Berlin, AG. |
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16 +----------------------------------------------------------------------------- |
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17 | Purpose : This module implements signal handler functions for service |
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18 | PG of entity GRR. |
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19 +----------------------------------------------------------------------------- |
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20 */ |
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21 |
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22 #ifndef GRR_PGS_C |
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23 #define GRR_PGS_C |
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24 #endif |
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25 |
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26 #define ENTITY_GRR |
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27 |
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28 /*==== INCLUDES =============================================================*/ |
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29 |
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30 #include "typedefs.h" /* to get Condat data types */ |
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31 |
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32 #include "vsi.h" /* to get a lot of macros */ |
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33 #include "macdef.h" |
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34 #include "gprs.h" |
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35 #include "gsm.h" /* to get a lot of macros */ |
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36 #include "ccdapi.h" /* to get CCD API */ |
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37 #include "cnf_grr.h" /* to get cnf-definitions */ |
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38 #include "mon_grr.h" /* to get mon-definitions */ |
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39 #include "prim.h" /* to get the definitions of used SAP and directions */ |
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40 #include "message.h" |
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41 #include "grr.h" /* to get the global entity definitions */ |
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42 |
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43 |
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44 #include "grr_ctrls.h" /* */ |
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45 |
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46 #include "grr_f.h" /* to get the global functions */ |
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47 #include "grr_pgf.h" /* */ |
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48 |
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49 |
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50 /*==== CONST ================================================================*/ |
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51 |
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52 /*==== LOCAL VARS ===========================================================*/ |
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53 |
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54 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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55 |
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56 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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57 /* |
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58 +------------------------------------------------------------------------------ |
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59 | Function : sig_ctrl_pg_start |
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60 +------------------------------------------------------------------------------ |
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61 | Description : Handles the internal signal SIG_CTRL_PG_START |
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62 | PG has to manage the paging procedures according to network mode |
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63 | and presence of PBCCH channel |
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64 | Parameters : void |
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65 | |
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66 +------------------------------------------------------------------------------ |
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67 */ |
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68 GLOBAL void sig_ctrl_pg_start ( void ) |
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69 { |
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70 TRACE_ISIG( "sig_ctrl_pg_start" ); |
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71 |
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72 switch( GET_STATE( PG ) ) |
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73 { |
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74 case PG_TRANSFER: |
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75 TRACE_ERROR("SIG_CTRL_PG_START not expected in transfer mode"); |
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76 break; |
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77 case PG_NULL: |
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78 SET_STATE(PG, PG_IDLE); |
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79 |
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80 /*lint -fallthrough*/ |
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81 |
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82 default: |
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83 /* Because of having new cell or new PPCH */ |
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84 psc_db->last_pg_mode = psc_db->network_pg_mode = REORG_PAGING; |
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85 |
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86 pg_handle_idle_mode( NULL_IDLE ); |
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87 break; |
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88 } |
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89 |
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90 } /* sig_ctrl_pg_start() */ |
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91 |
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92 /* |
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93 +------------------------------------------------------------------------------ |
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94 | Function : sig_ctrl_pg_stop |
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95 +------------------------------------------------------------------------------ |
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96 | Description : Handles the internal signal SIG_CTRL_PG_STOP |
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97 | |
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98 | Parameters : void |
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99 | |
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100 +------------------------------------------------------------------------------ |
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101 */ |
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102 GLOBAL void sig_ctrl_pg_stop ( void ) |
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103 { |
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104 TRACE_ISIG( "sig_ctrl_pg_stop" ); |
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105 |
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106 grr_data->pg.packet_mode = PACKET_MODE_NULL; |
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107 SET_STATE(PG,PG_NULL); |
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108 pg_send_stop(); |
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109 psc_db->last_pg_mode = psc_db->network_pg_mode = REORG_PAGING; |
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110 } /* sig_ctrl_pg_stop() */ |
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111 |
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112 |
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113 |
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114 /* |
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115 +------------------------------------------------------------------------------ |
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116 | Function : sig_ctrl_pg_mode_ind |
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117 +------------------------------------------------------------------------------ |
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118 | Description : Handles the internal signal SIG_CTRL_PG_MODE_IND |
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119 This signal indicates whether the MS is in idle, transfer or access mode |
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120 | |
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121 | Parameters : packet_mode |
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122 | |
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123 +------------------------------------------------------------------------------ |
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124 */ |
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125 GLOBAL void sig_ctrl_pg_mode_ind ( T_PACKET_MODE packet_mode) |
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126 { |
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127 T_PACKET_MODE old_packet_mode; |
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128 |
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129 TRACE_ISIG( "sig_ctrl_pg_mode_ind" ); |
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130 |
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131 old_packet_mode = grr_data->pg.packet_mode; |
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132 grr_data->pg.packet_mode = packet_mode; |
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133 |
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134 switch( GET_STATE( PG ) ) |
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135 { |
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136 case PG_IDLE: |
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137 switch( packet_mode ) |
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138 { |
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139 case PACKET_MODE_PTM: |
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140 SET_STATE( PG, PG_TRANSFER ); |
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141 |
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142 pg_handle_transfer_mode( IDLE_PTM ); |
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143 break; |
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144 |
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145 case PACKET_MODE_PAM: |
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146 SET_STATE( PG, PG_ACCESS ); |
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147 |
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148 pg_handle_access_mode( ); |
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149 break; |
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150 |
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151 default: |
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152 break; |
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153 } |
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154 break; |
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155 |
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156 case PG_TRANSFER: |
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157 switch( packet_mode ) |
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158 { |
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159 case PACKET_MODE_PAM: |
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160 SET_STATE( PG, PG_ACCESS ); |
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161 |
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162 pg_handle_access_mode( ); |
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163 break; |
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164 |
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165 case PACKET_MODE_PIM: |
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166 SET_STATE( PG, PG_IDLE ); |
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167 |
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168 pg_handle_non_drx_timers( ); |
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169 pg_handle_idle_mode( PTM_IDLE ); |
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170 break; |
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171 |
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172 case PACKET_MODE_PTM: |
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173 //TODOif( grr_test_mode_active( ) ) |
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174 { |
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175 sig_pg_ctrl_stop_mon_ccch( ); |
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176 } |
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177 break; |
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178 } |
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179 break; |
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180 |
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181 case PG_ACCESS: |
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182 switch( packet_mode ) |
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183 { |
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184 case PACKET_MODE_PAM: |
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185 if( old_packet_mode EQ PACKET_MODE_2P_PTM ) |
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186 { |
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187 TRACE_EVENT( "PACKET_MODE_2P_PTM --> PACKET_MODE_PAM" ); |
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188 |
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189 pg_handle_access_mode( ); |
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190 } |
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191 break; |
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192 |
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193 case PACKET_MODE_2P_PTM: |
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194 /* |
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195 * Do not change the state to PG_TRANSFER because of transition rule |
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196 */ |
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197 TRACE_EVENT( "PACKET_MODE_2P_PTM in PG_ACCESS" ); |
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198 |
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199 pg_handle_transfer_mode( ACCESS_PTM ); |
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200 break; |
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201 |
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202 case PACKET_MODE_PIM: |
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203 SET_STATE( PG, PG_IDLE ); |
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204 |
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205 pg_handle_idle_mode( ACCESS_IDLE ); |
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206 break; |
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207 |
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208 case PACKET_MODE_PTM: |
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209 SET_STATE( PG, PG_TRANSFER ); |
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210 |
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211 pg_handle_transfer_mode( ACCESS_PTM ); |
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212 break; |
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213 } |
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214 break; |
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215 |
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216 default: |
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217 TRACE_ERROR( "SIG_CTRL_PG_MODE_IND unexpected" ); |
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218 break; |
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219 } |
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220 }/* sig_ctrl_pg_mode_ind() */ |
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221 |
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222 /* |
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223 +------------------------------------------------------------------------------ |
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224 | Function : sig_ctrl_pg_t3172_run |
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225 +------------------------------------------------------------------------------ |
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226 | Description : Handles the internal signal SIG_CTRL_PG_T3172_RUN |
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227 | |
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228 | Parameters : void |
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229 | |
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230 +------------------------------------------------------------------------------ |
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231 */ |
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232 GLOBAL void sig_ctrl_pg_t3172_run ( void) |
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233 { |
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234 TRACE_ISIG( "sig_ctrl_pg_t3172_run" ); |
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235 |
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236 } /* sig_ctrl_pg_t3172_run() */ |
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237 |
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238 |
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239 /* |
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240 +------------------------------------------------------------------------------ |
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241 | Function : sig_ctrl_pg_indication |
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242 +------------------------------------------------------------------------------ |
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243 | Description : Handles the internal signal SIG_CTRL_PG_INDICATION. This |
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244 | signal indicates paging for packet access |
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245 | |
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246 | Parameters : UBYTE paging_type (IMSI or PTMSI(GPRS TMSI)) |
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247 | |
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248 +------------------------------------------------------------------------------ |
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249 */ |
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250 GLOBAL void sig_ctrl_pg_indication ( UBYTE paging_type ) |
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251 { |
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252 UBYTE type; |
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253 |
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254 TRACE_ISIG( "sig_ctrl_pg_indication" ); |
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255 |
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256 type = (paging_type EQ RRGRR_IMSI)? GMMRR_IMSI: GMMRR_PTMSI; |
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257 |
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258 switch( GET_STATE( PG ) ) |
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259 { |
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260 case PG_IDLE: |
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261 sig_pg_ctrl_downlink_transfer ( type ); |
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262 break; |
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263 case PG_ACCESS: |
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264 /* ignore PAGING REQUEST messages indicating a packet paging procedure*/ |
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265 break; |
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266 default: |
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267 TRACE_ERROR( "SIG_CTRL_PG_INDICATION unexpected" ); |
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268 break; |
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269 } |
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270 } /* sig_ctrl_pg_indication() */ |
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271 |
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272 /* |
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273 +------------------------------------------------------------------------------ |
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274 | Function : sig_ctrl_pg_rr_est |
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275 +------------------------------------------------------------------------------ |
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276 | Description : Handles the internal signal SIG_CTRL_PG_RR_EST. This |
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277 | signal indicates paging for RR connection. |
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278 | This signal makes no sense in case of Class C mobile |
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279 | |
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280 | Parameters : no parameters |
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281 | |
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282 +------------------------------------------------------------------------------ |
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283 */ |
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284 GLOBAL void sig_ctrl_pg_rr_est ( void) |
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285 { |
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286 |
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287 TRACE_ISIG( "sig_ctrl_pg_rr_est" ); |
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288 |
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289 if(grr_data->ms.class_of_mode EQ GMMRR_CLASS_CG) |
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290 { |
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291 TRACE_ERROR("CLASS_CG MS has received a RR_EST "); |
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292 } |
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293 else |
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294 { |
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295 switch( GET_STATE( PG ) ) |
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296 { |
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297 case PG_NULL: |
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298 case PG_IDLE: |
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299 case PG_ACCESS: |
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300 /* inform CTRL resp. GMM about the RR connection establishment request: |
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301 * GMM has to decide whether accept the request or not |
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302 */ |
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303 sig_pg_ctrl_rr_est_req(PG_ON_CCCH); |
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304 break; |
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305 case PG_TRANSFER: |
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306 if(grr_data->pg.nmo EQ GMMRR_NET_MODE_II) |
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307 { |
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308 TRACE_EVENT(" CS call in GMMRR_NET_MODE_II transfer mode"); |
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309 sig_pg_ctrl_rr_est_req(PG_ON_CCCH); |
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310 } |
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311 else |
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312 { |
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313 TRACE_EVENT_P1("CS call in transfer mode NMO_%d", grr_data->pg.nmo+1); |
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314 } |
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|
315 break; |
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316 default: |
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317 TRACE_ERROR( "SIG_CTRL_PG_RR_EST unexpected" ); |
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|
318 break; |
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319 } |
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320 } |
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321 } /* sig_ctrl_pg_indication() */ |
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322 |
fa8dc04885d8
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|
323 |
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324 |
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|
325 /* |
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|
326 +------------------------------------------------------------------------------ |
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327 | Function : sig_gfp_pg_req |
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|
328 +------------------------------------------------------------------------------ |
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329 | Description : Handles |
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330 | |
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331 | Parameters : void |
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|
332 | |
fa8dc04885d8
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|
333 +------------------------------------------------------------------------------ |
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|
334 */ |
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|
335 GLOBAL void sig_gfp_pg_req ( void ) |
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336 { |
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337 MCAST( d_paging_req, D_PAGING_REQ ); |
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|
338 |
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339 UBYTE state = GET_STATE( PG ); |
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|
340 |
fa8dc04885d8
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341 TRACE_ISIG( "sig_gfp_pg_req" ); |
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|
342 |
fa8dc04885d8
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|
343 switch( state ) |
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344 { |
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345 case PG_IDLE: |
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346 case PG_TRANSFER: |
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347 case PG_ACCESS: |
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348 pg_process_pp_req( d_paging_req, state ); |
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349 break; |
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350 default: |
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351 TRACE_ERROR( "sig_gfp_pg_req: page mode has no meaning in this state" ); |
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352 break; |
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353 } |
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354 } /* sig_gfp_pg_req() */ |
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|
355 |
fa8dc04885d8
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|
356 /* |
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357 +------------------------------------------------------------------------------ |
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358 | Function : sig_gfp_pg_mode |
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|
359 +------------------------------------------------------------------------------ |
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360 | Description : Handles |
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|
361 | |
fa8dc04885d8
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|
362 | Parameters : UBYTE page_mode: requested page mode |
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363 | BOOL ms_paging_group: paging belongs to MS paging group |
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364 | |
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365 +------------------------------------------------------------------------------ |
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366 */ |
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367 GLOBAL void sig_gfp_pg_mode ( UBYTE page_mode, BOOL ms_paging_group ) |
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368 { |
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369 TRACE_ISIG( "sig_gfp_pg_mode" ); |
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370 |
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371 if( ms_paging_group ) |
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372 { |
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373 switch( GET_STATE( PG ) ) |
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374 { |
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375 case PG_IDLE: |
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376 if( page_mode NEQ SAME_PAGING ) |
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377 { |
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378 psc_db->network_pg_mode = page_mode; |
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379 } |
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380 |
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381 if( grr_is_non_drx_period( ) EQ FALSE AND |
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382 psc_db->last_pg_mode NEQ psc_db->network_pg_mode ) |
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383 { |
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384 /* |
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385 * To ensure that the paging mode is not set to page normal in other states |
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386 * than packet idle mode, the function grr_is_packet_idle_mode is called in |
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387 * advance. |
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388 * |
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389 * State PG_IDLE not necessarily means that GRR is in packet idle mode. In |
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390 * case GRR is currently executing the RRGRR_STOP_TASK_REQ/CNF procedure, |
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391 * just the services CPAP and TC changes their states. All other services |
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392 * remain in state IDLE, which is not quite correct. A similar scenario |
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393 * occurs during execution of the MPHP_ASSIGNMENT_REQ/CON procedure. |
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394 */ |
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395 if( grr_is_packet_idle_mode( ) EQ TRUE ) |
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396 { |
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397 pg_send_start( psc_db->network_pg_mode ); |
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398 } |
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399 else |
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400 { |
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401 TRACE_EVENT( "sig_gfp_pg_mode: Page mode set by next packet idle mode" ); |
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402 } |
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403 } |
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404 break; |
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405 |
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406 case PG_ACCESS: |
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407 if( page_mode NEQ SAME_PAGING ) |
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408 { |
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409 psc_db->network_pg_mode = page_mode; |
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410 } |
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411 break; |
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412 |
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413 default: |
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414 |
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415 #ifdef _SIMULATION_ |
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416 |
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417 TRACE_ERROR( "SIG_GFP_PG_MODE unexpected" ); |
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418 |
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419 #endif /* #ifdef _SIMULATION_ */ |
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420 |
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421 break; |
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422 } |
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423 } |
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424 } /* sig_gfp_pg_mode() */ |
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425 |
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426 /* |
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427 +------------------------------------------------------------------------------ |
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428 | Function : sig_gfp_pg_stop_pccch_con |
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429 +------------------------------------------------------------------------------ |
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430 | Description : Handles the internal signal SIG_GFP_PG_STOP_PCCCH_CON |
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431 | |
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432 | Parameters : mphp_stop_pccch_con: pointer to T_MPHP_STOP_PCCCH_CON |
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433 | |
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434 +------------------------------------------------------------------------------ |
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435 */ |
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436 GLOBAL void sig_gfp_pg_stop_pccch_con ( T_MPHP_STOP_PCCCH_CON *mphp_stop_pccch_con) |
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437 { |
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438 TRACE_ISIG( "sig_gfp_pg_stop_pccch_con" ); |
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439 } /* sig_gfp_pg_stop_pccch_con() */ |
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440 |
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441 /* |
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442 +------------------------------------------------------------------------------ |
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443 | Function : sig_cs_pg_start_t_nc2_ndrx |
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444 +------------------------------------------------------------------------------ |
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445 | Description : Handles the internal signal SIG_CS_PG_START_NC2_NDRX |
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446 | |
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447 | Parameters : void |
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448 | |
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449 +------------------------------------------------------------------------------ |
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450 */ |
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451 GLOBAL void sig_cs_pg_start_t_nc2_ndrx ( UBYTE nc_non_drx_period ) |
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452 { |
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453 TRACE_ISIG( "sig_cs_pg_start_t_nc2_ndrx" ); |
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454 |
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455 pg_start_t_nc2_ndrx( nc_non_drx_period ); |
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456 |
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457 } /* sig_cs_pg_start_t_nc2_ndrx() */ |