FreeCalypso > hg > fc-magnetite
annotate src/g23m-gprs/llc/llc_llmef.c @ 662:8cd8fd15a095
SIM speed enhancement re-enabled and made configurable
TI's original code supported SIM speed enhancement, but Openmoko had it
disabled, and OM's disabling of speed enhancement somehow caused certain
SIM cards to start working which didn't work before (OM's bug #666).
Because our FC community is much smaller in year 2020 than OM's community
was in their day, we are not able to find one of those #666-affected SIMs,
thus the real issue they had encountered remains elusive. Thus our
solution is to re-enable SIM speed enhancement and simply wait for if
and when someone runs into a #666-affected SIM once again. We provide
a SIM_allow_speed_enhancement global variable that allows SIM speed
enhancement to be enabled or disabled per session, and an /etc/SIM_spenh
file in FFS that allows it to enabled or disabled on a non-volatile
basis. SIM speed enhancement is now enabled by default.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 24 May 2020 05:02:28 +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 : |
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4 | Modul : |
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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 modul is part of the entity LLC and implements all |
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18 | procedures and functions as described in the |
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19 | SDL-documentation (LLME-statemachine) |
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20 +----------------------------------------------------------------------------- |
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21 */ |
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22 |
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23 #ifndef LLC_LLMEF_C |
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24 #define LLC_LLMEF_C |
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25 #endif |
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26 |
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27 #define ENTITY_LLC |
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28 |
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29 /*==== INCLUDES =============================================================*/ |
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30 |
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31 #include <string.h> /* to get memcpy() */ |
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32 |
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33 #include "typedefs.h" /* to get Condat data types */ |
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34 #include "vsi.h" /* to get a lot of macros */ |
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35 #include "macdef.h" |
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36 #include "gprs.h" |
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37 #include "gsm.h" /* to get a lot of macros */ |
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38 #include "cnf_llc.h" /* to get cnf-definitions */ |
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39 #include "mon_llc.h" /* to get mon-definitions */ |
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40 #include "prim.h" /* to get the definitions of used SAP and directions */ |
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41 #include "llc.h" /* to get the global entity definitions */ |
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42 |
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43 #include "llc_par.h" /* to get the default values of the LLC paramters */ |
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44 |
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45 /*==== CONST ================================================================*/ |
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46 |
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47 /*==== LOCAL VARS ===========================================================*/ |
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48 |
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49 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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50 |
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51 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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52 |
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53 |
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54 |
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55 /* |
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56 +------------------------------------------------------------------------------ |
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57 | Function : llme_init |
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58 +------------------------------------------------------------------------------ |
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59 | Description : This procedure initialises all necessary variables of llme for |
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60 | all SAPIs. |
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61 | Also global variables are initialised that relate not to a |
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62 | specific service (e.g. tlli_new/tlli_old). |
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63 | |
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64 | Parameters : |
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65 | |
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66 +------------------------------------------------------------------------------ |
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67 */ |
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68 GLOBAL void llme_init (void) |
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69 { |
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70 int n; |
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71 |
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72 TRACE_FUNCTION( "llme_init" ); |
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73 |
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74 /* |
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75 * Initialise service LLME with state TLLI_UNASSIGNED. |
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76 */ |
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77 INIT_STATE (LLME, LLME_TLLI_UNASSIGNED); |
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78 |
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79 /* |
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80 * Initialise global variables. |
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81 */ |
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82 llc_data->suspended = FALSE; |
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83 llc_data->grlc_suspended = FALSE; |
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84 |
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85 #ifdef LL_2to1 |
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86 llc_data->tlli_new = PS_TLLI_INVALID; |
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87 llc_data->tlli_old = PS_TLLI_INVALID; |
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88 #else |
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89 llc_data->tlli_new = LL_TLLI_INVALID; |
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90 llc_data->tlli_old = LL_TLLI_INVALID; |
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91 #endif |
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92 |
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93 llc_data->ciphering_algorithm = LLGMM_CIPHER_NO_ALGORITHM; |
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94 #ifdef LL_2to1 |
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95 memset (&(llc_data->kc), 0, sizeof(T_LLGMM_llgmm_kc)); |
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96 #else |
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97 memset (&(llc_data->kc), 0, sizeof(T_llgmm_kc)); |
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98 #endif |
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99 |
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100 /* init current values */ |
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101 #ifdef REL99 |
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102 llc_data->cur_pfi = LL_PFI_SIGNALING; |
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103 #endif |
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104 llc_data->cur_qos.delay = LL_DELAY_SUB; |
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105 llc_data->cur_qos.relclass = LL_NO_REL; |
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106 llc_data->cur_qos.peak = LL_PEAK_SUB; |
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107 llc_data->cur_qos.preced = LL_PRECED_SUB; |
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108 llc_data->cur_qos.mean = LL_MEAN_SUB; |
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109 llc_data->cur_radio_prio = LL_RADIO_PRIO_1; |
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110 |
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111 /* |
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112 * Initialise all the global SAPI data, which is |
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113 * not related to only one service |
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114 */ |
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115 for (n=0; n < MAX_SAPI_INC; n++) |
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116 { |
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117 SWITCH_SERVICE (llc, sapi, n); |
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118 |
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119 llc_data->sapi->vur = 0; |
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120 |
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121 llc_data->sapi->va = 0; |
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122 llc_data->sapi->vs = 0; |
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123 llc_data->sapi->vr = 0; |
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124 |
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125 llc_data->sapi->oc_ui_tx = 0L; |
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126 llc_data->sapi->oc_ui_rx = 0L; |
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127 llc_data->sapi->oc_i_tx = 0L; |
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128 llc_data->sapi->oc_i_rx = 0L; |
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129 |
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130 llc_data->sapi->pbit_outstanding = FALSE; |
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131 } |
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132 |
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133 return; |
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134 } /* llme_init() */ |
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135 |
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136 |
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137 |
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138 /* |
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139 +------------------------------------------------------------------------------ |
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140 | Function : llme_init_cipher |
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141 +------------------------------------------------------------------------------ |
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142 | Description : This procedure initialises the global LLC variables llc_kc |
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143 | (ciphering key Kc) and llc_ciphering_algorithm (ciphering |
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144 | algorithm). If ciphering_algorithm is LLGMM_CIPH_NA, the |
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145 | parameters are ignored and the procedure doesn't change |
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146 | anything. The procedures cipher_ll_pdu (service send_pdu) |
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147 | and decipher_ll_pdu (service receive_pdu) use the global |
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148 | variables for ciphering and deciphering. |
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149 | |
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150 | Parameters : kc - ciphering key |
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151 | ciphering_algorithm - ciphering algorithm |
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152 | |
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153 +------------------------------------------------------------------------------ |
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154 */ |
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155 #ifdef LL_2to1 |
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156 GLOBAL void llme_init_cipher (T_LLGMM_llgmm_kc kc, UBYTE ciphering_algorithm) |
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157 #else |
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158 GLOBAL void llme_init_cipher (T_llgmm_kc kc, UBYTE ciphering_algorithm) |
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159 #endif |
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160 { |
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161 TRACE_FUNCTION( "llme_init_cipher" ); |
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162 |
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163 if (ciphering_algorithm != LLGMM_CIPHER_NA) |
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164 { |
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165 switch (ciphering_algorithm) |
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166 { |
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167 case LLGMM_CIPHER_NO_ALGORITHM: |
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168 TRACE_0_INFO("No cipher algorithm used!"); |
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169 break; |
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170 |
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171 case LLGMM_CIPHER_GPRS_A5_1: |
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172 TRACE_0_INFO("Cipher algorithm GEA/1 used!"); |
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173 break; |
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174 |
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175 case LLGMM_CIPHER_GPRS_A5_2: |
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176 TRACE_0_INFO("Cipher algorithm GEA/2 used!"); |
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177 break; |
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178 |
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179 default: |
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180 TRACE_ERROR("Unknown Cipher algorithm used!"); |
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181 break; |
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182 } |
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183 |
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184 /* |
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185 * Set IOV default values, if kc is changed to a different value |
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186 */ |
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187 #ifdef LL_2to1 |
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188 if ( memcmp (&(llc_data->kc), &kc, sizeof(T_LLGMM_llgmm_kc)) ) |
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189 #else |
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190 if ( memcmp (&(llc_data->kc), &kc, sizeof(T_llgmm_kc)) ) |
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191 #endif |
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192 { |
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193 TRACE_0_INFO( "kc changed" ); |
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194 #ifdef LL_2to1 |
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195 memcpy (&(llc_data->kc), &kc, sizeof(T_LLGMM_llgmm_kc)); |
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196 #else |
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197 memcpy (&(llc_data->kc), &kc, sizeof(T_llgmm_kc)); |
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198 #endif |
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199 |
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200 /* |
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201 * Apply the default value of IOV-UI in case no negotiation |
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202 * is started by the SGSN. |
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203 * <R.LLC.LLC_PAR.A.016> |
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204 */ |
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205 llc_data->iov_ui = LLC_IOV_UI_ALL_SAPIS; |
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206 |
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207 /* |
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208 * Apply the default value of IOV-I in case no negotiation |
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209 * is started by the SGSN. |
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210 * <R.LLC.LLC_PAR.A.018> |
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211 */ |
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212 #ifdef LL_2to1 |
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213 llc_data->iov_i_base[IMAP(PS_SAPI_3)] = LLC_IOV_I_SAPI_3; |
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214 llc_data->iov_i_base[IMAP(PS_SAPI_5)] = LLC_IOV_I_SAPI_5; |
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215 llc_data->iov_i_base[IMAP(PS_SAPI_9)] = LLC_IOV_I_SAPI_9; |
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216 llc_data->iov_i_base[IMAP(PS_SAPI_11)] = LLC_IOV_I_SAPI_11; |
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217 #else |
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218 llc_data->iov_i_base[IMAP(LL_SAPI_3)] = LLC_IOV_I_SAPI_3; |
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219 llc_data->iov_i_base[IMAP(LL_SAPI_5)] = LLC_IOV_I_SAPI_5; |
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220 llc_data->iov_i_base[IMAP(LL_SAPI_9)] = LLC_IOV_I_SAPI_9; |
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221 llc_data->iov_i_base[IMAP(LL_SAPI_11)] = LLC_IOV_I_SAPI_11; |
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222 #endif |
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223 } |
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224 |
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225 /* |
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226 * Set new ciphering algorithm |
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227 */ |
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228 llc_data->ciphering_algorithm = ciphering_algorithm; |
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229 } |
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230 else |
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231 { |
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232 TRACE_0_INFO("Cipher algorithm not changed"); |
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233 } |
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234 |
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235 return; |
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236 } /* llme_init_cipher() */ |