FreeCalypso > hg > fc-tourmaline
annotate src/g23m-gprs/llc/llc_llmep.c @ 248:a5b00817a60f
FCBM reset mode implemented
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 10 May 2021 01:54:19 +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 : |
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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 | functions to handles the incoming primitives as described in |
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19 | the 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_LLMEP_C |
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24 #define LLC_LLMEP_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 "typedefs.h" /* to get Condat data types */ |
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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 "cnf_llc.h" /* to get cnf-definitions */ |
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37 #include "mon_llc.h" /* to get mon-definitions */ |
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38 #include "prim.h" /* to get the definitions of used SAP and directions */ |
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39 #include "llc.h" /* to get the global entity definitions */ |
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40 |
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41 #include "llc_f.h" /* to get global functions, e.g. llc_init_parameters */ |
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42 #include "llc_llmef.h" /* to get local LLME functions */ |
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43 #include "llc_us.h" /* to get signal interface to U */ |
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44 #include "llc_itxs.h" /* to get signal interface to ITX */ |
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45 #include "llc_irxs.h" /* to get signal interface to IRX */ |
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46 #include "llc_uitxs.h" /* to get signal interface to UITX */ |
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47 #include "llc_uirxs.h" /* to get signal interface to UIRX */ |
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48 #include "llc_t200s.h" /* to get signal interface to T200 */ |
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49 #include "llc_txs.h" /* to get signal interface to TX */ |
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50 #include "llc_rxs.h" /* to get signal interface to RX */ |
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51 |
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52 /*==== CONST ================================================================*/ |
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53 |
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54 /*==== LOCAL VARS ===========================================================*/ |
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55 |
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56 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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57 |
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58 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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59 |
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60 |
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61 |
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62 /* |
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63 +------------------------------------------------------------------------------ |
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64 | Function : llme_llgmm_assign_req |
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65 +------------------------------------------------------------------------------ |
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66 | Description : Handles the primitive LLGMM_ASSIGN_REQ |
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67 | |
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68 | Parameters : *llgmm_assign_req - Ptr to primitive payload |
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69 | |
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70 +------------------------------------------------------------------------------ |
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71 */ |
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72 GLOBAL void llme_llgmm_assign_req ( T_LLGMM_ASSIGN_REQ *llgmm_assign_req ) |
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73 { |
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74 T_SAPI sapi; |
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75 |
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76 |
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77 TRACE_FUNCTION( "llme_llgmm_assign_req" ); |
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78 |
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79 switch( GET_STATE( LLME ) ) |
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80 { |
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81 case LLME_TLLI_UNASSIGNED: |
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82 /* |
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83 * ATTENTION: Every ASSIGN_REQ primitive must contain a valid new_tlli |
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84 * when LLC is unassigned, otherwise it should be a protocol error...? |
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85 * Therefore this check could be omitted. |
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86 */ |
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87 #ifdef LL_2to1 |
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88 if (llgmm_assign_req->new_tlli == PS_TLLI_INVALID) |
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89 #else |
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90 if (llgmm_assign_req->new_tlli == LLGMM_TLLI_INVALID) |
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91 #endif |
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92 { |
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93 PFREE (llgmm_assign_req); |
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94 TRACE_ERROR ("LLME in state TLLI_UNASSIGNED and new_tlli is invalid!"); |
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95 } |
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96 else /* LLGMM_TLLI_VALID */ |
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97 { |
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98 TRACE_1_INFO("TLLI 0x%.8X assigned", llgmm_assign_req->new_tlli); |
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99 |
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100 llc_data->tlli_new = llgmm_assign_req->new_tlli; |
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101 llc_data->tlli_old = llgmm_assign_req->old_tlli; |
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102 |
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103 llme_init_cipher (llgmm_assign_req->llgmm_kc, |
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104 llgmm_assign_req->ciphering_algorithm); |
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105 |
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106 PFREE (llgmm_assign_req); |
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107 |
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108 /* |
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109 * Initialises the LLC layer parameters. |
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110 * NOTE: IOV-UI and IOV-I[] are initialised the second time with this |
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111 * function call because they were already set in llme_init_cipher(). |
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112 */ |
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113 llc_init_parameters(); |
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114 |
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115 /* |
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116 * Label ASSIGN |
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117 */ |
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118 |
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119 SET_STATE (LLME, LLME_TLLI_ASSIGNED); |
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120 |
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121 /* |
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122 * ATTENTION: |
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123 * The following loop implies that all SAPIs are odd numbers beginning |
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124 * with 1! |
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125 */ |
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126 #ifdef LL_2to1 |
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127 for (sapi = PS_SAPI_1; sapi <= PS_SAPI_11; sapi += 2) |
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128 #else |
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129 for (sapi = LL_SAPI_1; sapi <= LL_SAPI_11; sapi += 2) |
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130 #endif |
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131 { |
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132 SWITCH_LLC (sapi); |
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133 |
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134 sig_llme_u_assign_req(); |
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135 sig_llme_uitx_assign_req(); |
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136 sig_llme_uirx_assign_req(); |
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137 sig_llme_t200_assign_req(); |
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138 |
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139 #ifdef LL_2to1 |
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140 if ((sapi != PS_SAPI_1) && (sapi != PS_SAPI_7)) |
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141 #else |
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142 if ((sapi != LL_SAPI_1) && (sapi != LL_SAPI_7)) |
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143 #endif |
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144 { |
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145 sig_llme_itx_assign_req(); |
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146 sig_llme_irx_assign_req(); |
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147 } |
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148 } |
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149 |
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150 sig_llme_rx_assign_req(); |
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151 sig_llme_tx_assign_req(); |
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152 |
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153 llc_init_requested_xid(); |
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154 } |
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155 break; |
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156 |
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157 case LLME_TLLI_ASSIGNED_SUSPENDED: |
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158 /* |
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159 * No break |
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160 */ |
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161 case LLME_TLLI_ASSIGNED: |
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162 llc_data->tlli_new = llgmm_assign_req->new_tlli; |
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163 llc_data->tlli_old = llgmm_assign_req->old_tlli; |
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164 |
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165 llme_init_cipher (llgmm_assign_req->llgmm_kc, |
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166 llgmm_assign_req->ciphering_algorithm); |
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167 |
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168 #ifdef LL_2to1 |
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169 if (llgmm_assign_req->new_tlli EQ PS_TLLI_INVALID) |
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170 #else |
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171 if (llgmm_assign_req->new_tlli EQ LLGMM_TLLI_INVALID) |
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172 #endif |
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173 { |
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174 TRACE_0_INFO("TLLI unassigned"); |
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175 |
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176 /* |
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177 * Label UNASSIGN |
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178 */ |
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179 |
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180 SET_STATE (LLME, LLME_TLLI_UNASSIGNED); |
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181 |
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182 /* |
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183 * ATTENTION: |
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184 * The following loop implies that all SAPIs are odd numbers beginning |
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185 * with 1! |
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186 */ |
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187 #ifdef LL_2to1 |
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188 for (sapi = PS_SAPI_1; sapi <= PS_SAPI_11; sapi += 2) |
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189 #else |
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190 for (sapi = LL_SAPI_1; sapi <= LL_SAPI_11; sapi += 2) |
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191 #endif |
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192 { |
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193 SWITCH_LLC (sapi); |
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194 |
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195 sig_llme_u_unassign_req(); |
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196 sig_llme_uitx_unassign_req(); |
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197 sig_llme_uirx_unassign_req(); |
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198 sig_llme_t200_unassign_req(); |
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199 |
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200 if ((sapi != LL_SAPI_1) && (sapi != LL_SAPI_7)) |
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201 { |
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202 sig_llme_itx_unassign_req(); |
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203 sig_llme_irx_unassign_req(); |
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204 } |
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|
205 } |
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206 |
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207 sig_llme_rx_unassign_req(); |
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208 sig_llme_tx_unassign_req(); |
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209 |
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210 /* |
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211 * Clear suspended mode with unassign. |
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212 */ |
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213 llc_data->suspended = FALSE; |
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214 |
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215 /* |
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216 * In case we have suspended GRLC we have to resume GRLC to |
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217 * 'normal operation' |
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218 */ |
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219 if (llc_data->grlc_suspended == TRUE) |
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220 { |
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221 /* |
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222 * Resume TX operation and indicate, that GRLC was suspened. |
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|
223 */ |
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|
224 sig_llme_tx_resume_req (llc_data->grlc_suspended); |
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225 |
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226 llc_data->grlc_suspended = FALSE; |
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227 |
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228 /* { |
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229 PALLOC (grr_resume_req, GRR_RESUME_REQ); |
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230 PSEND (hCommGRR, grr_resume_req); |
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231 }*/ |
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|
232 } |
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|
233 |
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234 PFREE (llgmm_assign_req); |
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235 } |
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|
236 else /* LLGMM_TLLI_VALID */ |
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237 { |
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Mychaela Falconia <falcon@freecalypso.org>
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238 TRACE_1_INFO("TLLI 0x%.8X (re-)assigned", llgmm_assign_req->new_tlli); |
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239 PFREE (llgmm_assign_req); |
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240 } |
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241 break; |
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242 |
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243 default: |
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244 PFREE (llgmm_assign_req); |
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245 TRACE_ERROR( "LLGMM_ASSIGN_REQ unexpected" ); |
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246 break; |
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247 } |
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248 |
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249 } /* llme_llgmm_assign_req() */ |
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250 |
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251 |
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252 |
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253 /* |
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254 +------------------------------------------------------------------------------ |
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255 | Function : llme_llgmm_trigger_req |
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256 +------------------------------------------------------------------------------ |
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257 | Description : Handles the primitive LLGMM_TRIGGER_REQ |
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258 | |
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259 | Parameters : *llgmm_trigger_req - Ptr to primitive payload |
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260 | |
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261 +------------------------------------------------------------------------------ |
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262 */ |
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263 GLOBAL void llme_llgmm_trigger_req ( T_LLGMM_TRIGGER_REQ *llgmm_trigger_req ) |
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264 { |
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265 TRACE_FUNCTION( "llme_llgmm_trigger_req" ); |
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266 |
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267 switch( GET_STATE( LLME ) ) |
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268 { |
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269 case LLME_TLLI_ASSIGNED: |
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270 /* No break. */ |
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271 case LLME_TLLI_ASSIGNED_SUSPENDED: |
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272 /* |
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273 * Switch LLC to SAPI 1 in case TX forwards the trigger request to UITX. |
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274 */ |
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275 SWITCH_LLC (LL_SAPI_1); |
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276 |
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277 sig_llme_tx_trigger_req (llgmm_trigger_req->trigger_cause); |
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278 |
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279 PFREE (llgmm_trigger_req); |
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280 break; |
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281 default: |
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282 PFREE (llgmm_trigger_req); |
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283 TRACE_ERROR( "LLGMM_TRIGGER_REQ unexpected" ); |
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284 break; |
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285 } |
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286 |
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287 } /* llme_llgmm_trigger_req() */ |
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288 |
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289 |
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290 |
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291 /* |
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292 +------------------------------------------------------------------------------ |
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293 | Function : llme_llgmm_suspend_req |
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294 +------------------------------------------------------------------------------ |
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295 | Description : Handles the primitive LLGMM_SUSPEND_REQ |
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296 | |
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297 | Parameters : *llgmm_suspend_req - Ptr to primitive payload |
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298 | |
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|
299 +------------------------------------------------------------------------------ |
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300 */ |
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301 GLOBAL void llme_llgmm_suspend_req ( T_LLGMM_SUSPEND_REQ *llgmm_suspend_req ) |
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302 { |
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303 T_SAPI sapi; |
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304 |
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|
305 |
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|
306 TRACE_FUNCTION( "llme_llgmm_suspend_req" ); |
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|
307 |
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308 TRACE_1_PARA("cause:%d", llgmm_suspend_req->susp_cause ); |
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|
309 |
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310 switch( GET_STATE( LLME ) ) |
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311 { |
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312 case LLME_TLLI_ASSIGNED: |
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313 TRACE_0_INFO("LLC suspended"); |
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314 |
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315 /* |
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316 * Set global suspended indicator for the other services. |
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317 */ |
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318 llc_data->suspended = TRUE; |
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319 |
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320 SET_STATE (LLME, LLME_TLLI_ASSIGNED_SUSPENDED); |
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321 |
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|
322 /* |
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|
323 * ATTENTION: |
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324 * The following loop implies that all the relevant SAPIs are the odd |
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325 * numbers from 3 to 11 (except 7) |
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|
326 */ |
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327 for (sapi = LL_SAPI_3; sapi <= LL_SAPI_11; sapi += 2) |
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328 { |
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329 SWITCH_LLC (sapi); |
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330 |
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331 if (sapi != LL_SAPI_7) |
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|
332 { |
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|
333 sig_llme_itx_suspend_req(); |
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|
334 } |
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|
335 } |
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|
336 |
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337 /* |
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|
338 * No break! |
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|
339 */ |
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|
340 case LLME_TLLI_ASSIGNED_SUSPENDED: |
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341 /* |
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|
342 * In case of RAU suspend GRLC if not already done |
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343 */ |
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|
344 if ( (llc_data->grlc_suspended == FALSE) AND |
fa8dc04885d8
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|
345 (llgmm_suspend_req->susp_cause == LLGMM_RAU) ) |
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346 { |
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|
347 sig_llme_tx_suspend_req (); |
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|
348 |
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349 llc_data->grlc_suspended = TRUE; |
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350 |
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|
351 { |
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|
352 PALLOC (grlc_activate_gmm_queue_req, GRLC_ACTIVATE_GMM_QUEUE_REQ); |
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353 PSEND (hCommGRLC, grlc_activate_gmm_queue_req); |
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|
354 } |
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|
355 } |
fa8dc04885d8
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diff
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|
356 |
fa8dc04885d8
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diff
changeset
|
357 break; |
fa8dc04885d8
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|
358 |
fa8dc04885d8
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diff
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|
359 default: |
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Mychaela Falconia <falcon@freecalypso.org>
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360 TRACE_ERROR( "LLGMM_SUSPEND_REQ unexpected" ); |
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361 break; |
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362 |
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363 } |
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364 if ( (llgmm_suspend_req->susp_cause == LLGMM_LIMITED) OR |
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365 (llgmm_suspend_req->susp_cause == LLGMM_NO_GPRS_SERVICE)) |
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366 /* init current values */ |
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367 #ifdef REL99 |
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368 llc_data->cur_pfi = LL_PFI_SIGNALING; |
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369 #endif |
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370 llc_data->cur_qos.delay = LL_DELAY_SUB; |
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371 llc_data->cur_qos.relclass = LL_NO_REL; |
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372 llc_data->cur_qos.peak = LL_PEAK_SUB; |
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373 llc_data->cur_qos.preced = LL_PRECED_SUB; |
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374 llc_data->cur_qos.mean = LL_MEAN_SUB; |
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375 llc_data->cur_radio_prio = LL_RADIO_PRIO_1; |
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376 PFREE (llgmm_suspend_req); |
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377 |
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378 } /* llme_llgmm_suspend_req() */ |
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379 |
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380 |
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381 |
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382 /* |
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383 +------------------------------------------------------------------------------ |
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384 | Function : llme_llgmm_resume_req |
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385 +------------------------------------------------------------------------------ |
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386 | Description : Handles the primitive LLGMM_RESUME_REQ |
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387 | |
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388 | Parameters : *llgmm_resume_req - Ptr to primitive payload |
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389 | |
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390 +------------------------------------------------------------------------------ |
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391 */ |
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392 GLOBAL void llme_llgmm_resume_req ( T_LLGMM_RESUME_REQ *llgmm_resume_req ) |
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393 { |
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394 T_SAPI sapi; |
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395 |
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396 |
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397 TRACE_FUNCTION( "llme_llgmm_resume_req" ); |
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398 |
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399 switch( GET_STATE( LLME ) ) |
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400 { |
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401 case LLME_TLLI_ASSIGNED_SUSPENDED: |
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402 TRACE_0_INFO("LLC resumed"); |
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403 |
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404 /* |
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405 * Clear global suspended indicator for the other services. |
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406 */ |
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407 llc_data->suspended = FALSE; |
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408 |
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|
409 SET_STATE (LLME, LLME_TLLI_ASSIGNED); |
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|
410 |
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|
411 /* |
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412 * FIRST! indicate to TX that we resume normal operation and |
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413 * that LLC/GRLC flow control should be reseted in case GRLC was |
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414 * suspened. |
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|
415 */ |
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416 sig_llme_tx_resume_req (llc_data->grlc_suspended); |
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|
417 |
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|
418 /* |
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|
419 * Reset GRLC, if suspended, to 'normal operation' |
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|
420 */ |
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|
421 if (llc_data->grlc_suspended == TRUE) |
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|
422 { |
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|
423 /* PALLOC (grr_resume_req, GRR_RESUME_REQ); |
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|
424 PSEND (hCommGRR, grr_resume_req);*/ |
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|
425 |
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|
426 llc_data->grlc_suspended = FALSE; |
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|
427 } |
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|
428 |
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|
429 /* |
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|
430 * ATTENTION: |
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|
431 * The following loop implies that all the relevant SAPIs are the odd |
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432 * numbers from 3 to 11 (except 7) |
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|
433 */ |
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|
434 for (sapi = LL_SAPI_3; sapi <= LL_SAPI_11; sapi += 2) |
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|
435 { |
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|
436 SWITCH_LLC (sapi); |
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diff
changeset
|
437 |
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|
438 if (sapi != LL_SAPI_7) |
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diff
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|
439 { |
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|
440 sig_llme_itx_resume_req(); |
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diff
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|
441 } |
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diff
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|
442 } |
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|
443 break; |
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|
444 |
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|
445 default: |
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|
446 TRACE_ERROR( "LLGMM_RESUME_REQ unexpected" ); |
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diff
changeset
|
447 break; |
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diff
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|
448 } |
fa8dc04885d8
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changeset
|
449 |
fa8dc04885d8
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|
450 PFREE (llgmm_resume_req); |
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diff
changeset
|
451 |
fa8dc04885d8
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|
452 } /* llme_llgmm_resume_req() */ |
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|
453 |