FreeCalypso > hg > fc-magnetite
annotate src/g23m-gprs/grr/grr_pgs.c @ 207:dcc3b8646a34
PEIs for TCS2/TCS3 hybrid config: INT_DATA_TASK restored to match TCS211
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 14 Oct 2016 16:11:13 +0000 |
parents | 219afcfc6250 |
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rev | line source |
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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 |
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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 | |
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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 |
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341 TRACE_ISIG( "sig_gfp_pg_req" ); |
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342 |
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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 |
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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 | |
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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() */ |