FreeCalypso > hg > fc-magnetite
annotate src/g23m-gprs/llc/llc_llmef.c @ 308:3f7095c785b7
uartfax.c change needed for SERIAL_DYNAMIC_SWITCH=1 to compile
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 02 Nov 2017 06:07:08 +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() */ |