FreeCalypso > hg > fc-tourmaline
annotate src/g23m-gprs/llc/llc_t200s.c @ 304:58c7961bd0b0 default tip
TCH tap: extend DL sniffing feature to support CSD modes
Our debug feature for TCH DL sniffing reads the content of the DSP's
a_dd_0 buffer (or a_dd_1 for TCH/H subchannel 1) at appropriate times
and forwards captured bits to the host. This feature was originally
implemented for TCH/FS, TCH/EFS and TCH/HS - now extend it to cover
TCH/F data modes too.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 25 Nov 2024 23:33:27 +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 process internal signals as |
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19 | described in the SDL-documentation (T200-statemachine) |
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20 +----------------------------------------------------------------------------- |
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21 */ |
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22 |
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23 #ifndef LLC_T200S_C |
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24 #define LLC_T200S_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_t200f.h" /* to get local T200 functions */ |
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42 #include "llc_us.h" /* to get signal interface to U */ |
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43 #include "llc_f.h" /* to get llc functions */ |
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44 |
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45 |
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46 /*==== CONST ================================================================*/ |
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47 |
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48 /*==== LOCAL VARS ===========================================================*/ |
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49 |
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50 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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51 |
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52 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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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 +------------------------------------------------------------------------------ |
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58 | Function : sig_llme_t200_assign_req |
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59 +------------------------------------------------------------------------------ |
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60 | Description : Handles the internal signal SIG_LLME_T200_ASSIGN_REQ |
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61 | |
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62 | Parameters : |
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63 | |
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64 +------------------------------------------------------------------------------ |
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65 */ |
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66 GLOBAL void sig_llme_t200_assign_req (void) |
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67 { |
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68 TRACE_ISIG( "sig_llme_t200_assign_req" ); |
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69 |
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70 switch (GET_STATE(T200)) |
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71 { |
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72 case T200_TLLI_UNASSIGNED: |
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73 SET_STATE (T200, T200_RESET); |
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74 break; |
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75 default: |
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76 TRACE_ERROR( "SIG_LLME_T200_ASSIGN_REQ unexpected" ); |
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77 break; |
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78 } |
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79 } /* sig_llme_t200_assign_req() */ |
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80 |
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81 |
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82 |
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83 /* |
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84 +------------------------------------------------------------------------------ |
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85 | Function : sig_llme_t200_unassign_req |
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86 +------------------------------------------------------------------------------ |
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87 | Description : Handles the internal signal SIG_LLME_T200_UNASSIGN_REQ |
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88 | |
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89 | Parameters : |
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90 | |
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91 +------------------------------------------------------------------------------ |
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92 */ |
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93 GLOBAL void sig_llme_t200_unassign_req (void) |
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94 { |
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95 TRACE_ISIG( "sig_llme_t200_unassign_req" ); |
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96 |
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97 switch (GET_STATE(T200)) |
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98 { |
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99 case T200_RESET: |
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100 SET_STATE (T200, T200_TLLI_UNASSIGNED); |
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101 break; |
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102 case T200_RUNNING: |
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103 t200_stop(); |
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104 |
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105 /* |
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106 * Indicate that no frame with P bit set to 1 is currently outstanding |
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107 */ |
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108 llc_data->sapi->pbit_outstanding = FALSE; |
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109 |
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110 SET_STATE (T200, T200_TLLI_UNASSIGNED); |
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111 break; |
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112 default: |
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113 TRACE_ERROR( "SIG_LLME_T200_UNASSIGN_REQ unexpected" ); |
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114 break; |
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115 } |
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116 } /* sig_llme_t200_unassign_req() */ |
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117 |
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118 |
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119 |
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120 /* |
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121 +------------------------------------------------------------------------------ |
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122 | Function : sig_u_t200_start_req |
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123 +------------------------------------------------------------------------------ |
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124 | Description : Handles the internal signal SIG_U_T200_START_REQ |
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125 | |
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126 | Parameters : frame - a valid pointer to the frame that shall be associated |
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127 | with the timer |
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128 | |
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129 +------------------------------------------------------------------------------ |
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130 */ |
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131 GLOBAL void sig_u_t200_start_req |
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132 ( |
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133 #ifdef LL_DESC |
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134 T_LL_UNITDESC_REQ *frame, |
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135 #else |
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136 T_LL_UNITDATA_REQ *frame, |
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137 #endif |
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138 UBYTE cause |
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139 ) |
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140 { |
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141 TRACE_ISIG( "sig_u_t200_start_req" ); |
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142 |
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143 switch (GET_STATE(T200)) |
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144 { |
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145 case T200_RESET: |
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146 t200_start (frame, cause, SERVICE_U); |
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147 |
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148 /* |
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149 * Indicate that a frame with P bit set to 1 is currently outstanding |
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150 */ |
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151 llc_data->sapi->pbit_outstanding = TRUE; |
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152 |
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153 SET_STATE (T200, T200_RUNNING); |
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154 break; |
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155 default: |
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156 #ifdef LL_DESC |
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157 /* |
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158 * The descriptor contents of the primitive structure |
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159 * must be freed as well. |
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160 */ |
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161 llc_cl_desc3_free((T_desc3*)frame->desc_list3.first); |
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162 #endif /* LL_DESC */ |
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163 PFREE (frame); |
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164 TRACE_ERROR( "SIG_U_T200_START_REQ unexpected" ); |
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165 break; |
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166 } |
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167 } /* sig_u_t200_start_req() */ |
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168 |
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169 |
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170 /* |
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171 +------------------------------------------------------------------------------ |
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172 | Function : sig_u_t200_stop_req |
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173 +------------------------------------------------------------------------------ |
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174 | Description : Handles the internal signal SIG_U_T200_STOP_REQ |
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175 | |
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176 | Parameters : |
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177 | |
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178 +------------------------------------------------------------------------------ |
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179 */ |
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180 GLOBAL void sig_u_t200_stop_req (void) |
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181 { |
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182 TRACE_ISIG( "sig_u_t200_stop_req" ); |
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183 |
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184 switch (GET_STATE(T200)) |
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185 { |
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186 case T200_RUNNING: |
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187 t200_stop(); |
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188 |
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189 /* |
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190 * Indicate that no frame with P bit set to 1 is currently outstanding |
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191 */ |
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192 llc_data->sapi->pbit_outstanding = FALSE; |
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193 |
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194 SET_STATE (T200, T200_RESET); |
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195 break; |
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196 default: |
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197 break; |
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198 } |
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199 } /* sig_u_t200_stop_req() */ |
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200 |
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201 |
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202 /* |
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203 +------------------------------------------------------------------------------ |
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204 | Function : sig_u_t200_expire_req |
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205 +------------------------------------------------------------------------------ |
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206 | Description : Handles the internal signal SIG_U_T200_EXPIRE_REQ |
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207 | |
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208 | Parameters : |
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209 | |
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210 +------------------------------------------------------------------------------ |
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211 */ |
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212 GLOBAL void sig_u_t200_expire_req (void) |
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213 { |
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214 #ifndef LL_DESC |
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215 T_LL_UNITDATA_REQ *frame; |
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216 #else |
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217 T_LL_UNITDESC_REQ *frame; |
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218 #endif |
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219 UBYTE cause; |
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220 T_SERVICE originator; |
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221 |
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222 TRACE_ISIG( "sig_u_t200_expire_req" ); |
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223 |
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224 switch (GET_STATE(T200)) |
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225 { |
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226 case T200_RUNNING: |
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227 SET_STATE (T200, T200_RESET); |
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228 |
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229 /* |
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230 * No frame with P bit set to 1 is currently outstanding |
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231 */ |
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232 llc_data->sapi->pbit_outstanding = FALSE; |
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233 |
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234 /* |
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235 * Get associated timer data (frame, cause, originating service) |
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236 * and send T200 expired signal, if originator is set. Otherwise |
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237 * just PFREE the frame. |
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238 */ |
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239 t200_get_timer_data (&frame, &cause, &originator); |
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240 if (originator EQ SERVICE_U) |
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241 { |
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242 sig_t200_u_expired_ind (frame, cause, EXPIRY_REQUESTED); |
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243 } |
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244 else |
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245 { |
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246 TRACE_0_INFO("T200 expired, no service associated, frame discarded"); |
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247 #ifdef LL_DESC |
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248 /* |
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249 * The descriptor contents of the primitive structure |
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250 * must be freed as well. |
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251 */ |
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252 llc_cl_desc3_free((T_desc3*)frame->desc_list3.first); |
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253 #endif /* LL_DESC */ |
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254 PFREE (frame); |
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255 } |
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256 break; |
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257 |
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258 default: |
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259 TRACE_ERROR( "SIG_U_T200_EXPIRE_REQ unexpected" ); |
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260 break; |
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261 } |
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262 } /* sig_u_t200_expire_req() */ |
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263 |