FreeCalypso > hg > fc-tourmaline
annotate src/g23m-gsm/dl/dl_dcch0.c @ 42:dd2ad0037425
configure.sh: USE_CACHE mechanism implemented
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 17 Oct 2020 09:23:31 +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 : GSM-PS |
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4 | Modul : DL_DCCH0 |
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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 defines the functions for the stand alone |
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18 | dedicated control channel (SDCCH) and the fast dedicated |
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19 | control channel (FACCH) each with SAPI 0 of the component DL |
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20 +----------------------------------------------------------------------------- |
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21 */ |
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22 |
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23 #ifndef DL_DCCH0_C |
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24 #define DL_DCCH0_C |
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25 |
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26 #define ENTITY_DL |
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27 |
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28 /*==== INCLUDES ===================================================*/ |
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29 #include "typedefs.h" |
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30 #include "string.h" |
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31 #include "vsi.h" |
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32 #include "pconst.cdg" |
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33 #include "custom.h" |
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34 #include "gsm.h" |
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35 #include "mon_dl.h" |
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36 #include "prim.h" |
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37 #include "pei.h" |
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38 #include "tok.h" |
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39 #include "ccdapi.h" |
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40 #include "dl.h" |
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41 #include "dl_trc.h" |
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42 |
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43 /*==== EXPORT =====================================================*/ |
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44 /*==== PRIVAT =====================================================*/ |
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45 LOCAL void dcch0_resume_reconnect_req (T_PRIM * prim, |
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46 U8 ch_type); |
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47 /*==== VARIABLES ==================================================*/ |
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48 /*==== FUNCTIONS ==================================================*/ |
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49 /* |
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50 +--------------------------------------------------------------------+ |
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51 | PROJECT : GSM-PS (6147) MODULE : DL_SDCCH | |
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52 | STATE : code ROUTINE : sdcch0_init_dl_data | |
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53 +--------------------------------------------------------------------+ |
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54 |
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55 PURPOSE : Initialisation of DCCH data (SAPI 0) for an instance. |
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56 |
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57 */ |
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58 |
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59 GLOBAL void dcch0_init_dl_data (void) |
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60 { |
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61 GET_INSTANCE_DATA; |
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62 T_CCH *pcch = &dl_data->cch[C_DCCH0]; |
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63 |
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64 TRACE_FUNCTION ("dcch0_init_dl_data()"); |
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65 |
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66 memset (pcch, 0, sizeof (T_CCH)); |
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67 |
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68 dcch3_init_dl_data (); /*Disabling SAPI 3 connections */ |
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69 |
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70 com_clear_queue (PS_SAPI_0); |
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71 dl_data->rr_short_pd_buffer.l_buf = 0; |
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72 |
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73 if (dl_data->dcch0_in_msg) |
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74 { |
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75 COM_FREE_POINTER (dl_data->dcch0_in_msg); |
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76 dl_data->dcch0_in_msg = NULL; |
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77 } |
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78 |
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79 dl_data->RR_dedicated = FALSE; |
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80 dl_data->dcch0_ch_type = 0; |
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81 dl_data->dcch0_disc_request = FALSE; |
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82 |
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83 #if defined(DELAYED_SABM) |
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84 dl_data->dcch0_sabm_delay = 0; |
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85 dl_data->dcch0_sabm_flag = NOT_PRESENT_8BIT; |
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86 #endif /* DELAYED_SABM */ |
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87 #if defined(DELAYED_RELEASE_IND) |
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88 dl_data->release_ind_delay = 0; |
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89 dl_data->release_ind_ch_type = NOT_PRESENT_8BIT; |
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90 #endif /* DELAYED_RELEASE_IND */ |
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91 set_channel_state(C_DCCH0, STATE_IDLE_DL); |
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92 |
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93 sacch0_init_dl_data (); |
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94 } |
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95 |
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96 #if defined(DELAYED_SABM) |
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97 GLOBAL void dcch0_delay_sabm (T_CCH *pcch) |
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98 { |
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99 GET_INSTANCE_DATA; |
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100 BOOL send_sabm = FALSE; |
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101 |
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102 if (dl_data->dcch0_sabm_flag EQ NOT_PRESENT_8BIT) |
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103 { |
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104 if ((pcch->ch_type EQ L2_CHANNEL_FACCH_F) OR (pcch->ch_type EQ L2_CHANNEL_FACCH_H)) |
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105 { /* start delay */ |
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106 pcch->vtx = EMPTY_CMD; /* send dummy only */ |
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107 dl_data->dcch0_sabm_flag = SABM_CMD; |
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108 dl_data->dcch0_sabm_delay = DL_FACCH_SABM_DELAY_VALUE; |
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109 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH0, pcch->ch_type, "delay SABM on FACCH"); |
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110 } |
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111 else |
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112 { /* but for FACCH only */ |
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113 send_sabm = TRUE; |
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114 } |
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115 } |
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116 else /* this part is called also called during uplink opportunity */ |
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117 { /* pending delay */ |
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118 if (dl_data->dcch0_sabm_delay > 0) |
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119 { |
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120 dl_data->dcch0_sabm_delay--; |
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121 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH0, pcch->ch_type, "pending delayed SABM"); |
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122 } |
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123 else |
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124 {/* finishing delay, send SABM with the current (next) uplink opportunity */ |
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125 #if !defined(DL_TRACE_ENABLED) |
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126 TRACE_EVENT ("delayed SABM"); |
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127 #endif /* ! DL_TRACE_ENABLED*/ |
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128 dl_data->dcch0_sabm_flag = NOT_PRESENT_8BIT; |
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129 send_sabm = TRUE; |
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130 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH0, pcch->ch_type, "send delayed SABM"); |
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131 } |
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132 } |
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133 |
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134 if (send_sabm) |
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135 { |
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136 pcch->vtx = SABM_CMD; |
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137 pcch->time_flag = TRUE; |
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138 pcch->rc = 0; |
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139 set_channel_state (C_DCCH0, STATE_CONTENTION_RESOLUTION); |
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140 } |
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141 } |
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142 |
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143 |
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144 #endif /* DELAYED_SABM */ |
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145 |
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146 /* |
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147 +--------------------------------------------------------------------+ |
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148 | PROJECT : GSM-PS (6147) MODULE : DL_SDCCH | |
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149 | STATE : code ROUTINE : sdcch0_establish_req | |
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150 +--------------------------------------------------------------------+ |
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151 |
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152 PURPOSE : Establish Request for SDCCH SAPI 0. |
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153 |
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154 */ |
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155 |
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156 GLOBAL void dcch0_establish_req (T_DL_ESTABLISH_REQ * est_req) |
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157 { |
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158 GET_INSTANCE_DATA; |
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159 T_CCH *pcch = &dl_data->cch[C_DCCH0]; |
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160 |
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161 TRACE_FUNCTION ("sdcch0_establish_req()"); |
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162 |
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163 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH0, est_req->ch_type, "est req"); |
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164 |
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165 dl_data->dcch0_ch_type = pcch->ch_type = est_req->ch_type; |
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166 TRACE_EVENT_WIN_P1 ("set dcch0_ch_type=%s", CH_TYPE_NAME[dl_data->dcch0_ch_type]); |
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167 |
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168 dl_data->dcch0_unserved = com_queue_awaiting_transmission (PS_SAPI_0) ? |
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169 DL_UNSERVED : DL_ALL_DONE; |
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170 switch (dl_data->state[C_DCCH0]) |
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171 { |
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|
172 case STATE_IDLE_DL: |
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173 /* |
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|
174 * initialize sacch buffer |
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|
175 */ |
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|
176 dl_data->sacch_act_buffer = meas_report_no_nc; |
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|
177 dl_data->sacch_last_buffer= meas_report_no_nc; |
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178 |
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|
179 com_clear_queue (PS_SAPI_0); |
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|
180 pcch->contention_resolution = TRUE; |
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|
181 dl_data->dcch0_queue.switch_buffer = (T_DL_DATA_REQ*)est_req; |
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|
182 dl_data->dcch0_disc_request = FALSE; |
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|
183 #if defined(DELAYED_SABM) |
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|
184 dcch0_delay_sabm(pcch); |
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185 #else /* DELAYED_SABM */ |
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|
186 pcch->vtx = SABM_CMD; |
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|
187 pcch->time_flag = TRUE; |
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|
188 pcch->rc = 0; |
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|
189 set_channel_state (C_DCCH0, STATE_CONTENTION_RESOLUTION); |
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|
190 #endif /* DELAYED_SABM */ |
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|
191 TRACE_EVENT_WIN_P5 ("EST_REQ: %s SAPI=%u vtx=%s (%s#%u)", CH_TYPE_NAME[pcch->ch_type], |
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|
192 est_req->sapi, VTX_NAME[pcch->vtx], |
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|
193 __FILE10__, __LINE__); |
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194 #if defined(DELAYED_SABM) |
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|
195 dcch0_delay_sabm(pcch); |
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|
196 #endif /* DELAYED_SABM */ |
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|
197 break; |
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|
198 |
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|
199 case STATE_MULTIPLE_FRAME_ESTABLISHED: |
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|
200 case STATE_TIMER_RECOVERY: |
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|
201 if (est_req->sdu.l_buf EQ 0) |
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diff
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|
202 { |
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Mychaela Falconia <falcon@freecalypso.org>
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|
203 dcch3_init_dl_data (); /*Disabling SAPI 3 connections */ |
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|
204 com_clear_queue (PS_SAPI_0); |
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|
205 pcch->T200_counter = 0; |
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|
206 pcch->contention_resolution = FALSE; |
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|
207 pcch->vtx = SABM_CMD; |
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|
208 pcch->time_flag = TRUE; |
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|
209 pcch->rc = 0; |
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|
210 set_channel_state (C_DCCH0, STATE_CONTENTION_RESOLUTION); |
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|
211 TRACE_EVENT_WIN_P5 ("EST_REQ: %s SAPI=%u vtx=%s (%s#%u)", CH_TYPE_NAME[pcch->ch_type], |
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|
212 est_req->sapi, VTX_NAME[pcch->vtx], |
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|
213 __FILE10__, __LINE__); |
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diff
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|
214 } |
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diff
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|
215 else |
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diff
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|
216 { |
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|
217 dcch0_mdl_release_req (); |
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diff
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|
218 } |
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|
219 COM_FREE_POINTER (est_req); |
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|
220 break; |
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|
221 |
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Mychaela Falconia <falcon@freecalypso.org>
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changeset
|
222 default: |
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|
223 COM_FREE_POINTER (est_req); |
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|
224 dcch0_mdl_release_req (); |
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diff
changeset
|
225 break; |
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changeset
|
226 } |
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changeset
|
227 } |
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|
228 |
fa8dc04885d8
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changeset
|
229 /* |
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|
230 +--------------------------------------------------------------------+ |
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|
231 | PROJECT : GSM-PS (6147) MODULE : DL_SDCCH | |
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|
232 | STATE : code ROUTINE : sdcch0_resume_req | |
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|
233 +--------------------------------------------------------------------+ |
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234 |
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235 PURPOSE : Resume Request for SDCCH (SAPI 0). |
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236 |
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237 */ |
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238 |
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239 GLOBAL void dcch0_resume_req (T_DL_RESUME_REQ * resume_req) |
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240 { |
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241 |
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242 TRACE_FUNCTION ("dcch0_resume_req()"); |
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243 |
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244 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH0, resume_req->ch_type, "resume req"); |
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245 |
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246 dcch0_resume_reconnect_req( (T_PRIM *)D2P(resume_req), resume_req->ch_type); |
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247 } |
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248 |
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249 /* |
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250 +--------------------------------------------------------------------+ |
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251 | PROJECT : GSM-PS (6147) MODULE : DL_SDCCH | |
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252 | STATE : code ROUTINE : sdcch0_reconnect_req | |
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253 +--------------------------------------------------------------------+ |
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254 |
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255 PURPOSE : Reconnect Request for SDCCH (SAPI 0). |
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256 |
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257 */ |
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258 |
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259 GLOBAL void dcch0_reconnect_req (T_DL_RECONNECT_REQ * reconnect_req) |
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260 { |
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261 |
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262 TRACE_FUNCTION ("dcch0_reconnect_req()"); |
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263 |
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264 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH0, reconnect_req->ch_type, "reconn req"); |
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265 |
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266 dcch0_resume_reconnect_req( (T_PRIM *)D2P (reconnect_req),reconnect_req->ch_type); |
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267 } |
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268 |
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269 /* |
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270 +--------------------------------------------------------------------+ |
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271 | PROJECT : GSM-PS (6147) MODULE : DL_SDCCH | |
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272 | STATE : code ROUTINE : dcch0_res_recon_req | |
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273 +--------------------------------------------------------------------+ |
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274 |
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275 PURPOSE : This function processes Resume Request and Reconnect Request |
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276 for SDCCH (SAPI 0). |
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277 |
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278 */ |
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279 LOCAL void dcch0_resume_reconnect_req (T_PRIM * prim, |
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280 U8 ch_type) |
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281 { |
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282 GET_INSTANCE_DATA; |
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283 TRACE_FUNCTION ("dcch0_resume_reconnect_req()"); |
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284 |
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285 switch (dl_data->state[C_DCCH0]) |
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286 { |
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287 case STATE_SUSPENDED: |
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288 case STATE_IDLE_DL: |
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289 { |
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290 T_CCH *pcch = &dl_data->cch[C_DCCH0]; |
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291 |
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292 dl_data->dcch0_ch_type = pcch->ch_type = ch_type; |
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293 |
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294 TRACE_EVENT_WIN_P1 ("set dcch0_ch_type=%s", CH_TYPE_NAME[dl_data->dcch0_ch_type]); |
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295 |
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296 com_restore_queue(PS_SAPI_0, (T_DL_DATA_REQ*)P2D(prim)); |
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297 |
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298 pcch->contention_resolution = FALSE; |
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299 |
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300 #if defined(DELAYED_SABM) |
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301 dcch0_delay_sabm(dl_data, pcch); |
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302 #else /* DELAYED_SABM */ |
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303 pcch->vtx = SABM_CMD; |
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304 pcch->time_flag = TRUE; |
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305 pcch->rc = 0; |
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306 set_channel_state (C_DCCH0, STATE_CONTENTION_RESOLUTION); |
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307 #endif /* DELAYED_SABM */ |
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308 |
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309 if(prim->custom.opc EQ DL_RECONNECT_REQ) |
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310 { |
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311 TRACE_EVENT_WIN_P5 ("RECONN_REQ: %s SAPI=%u vtx=%s (%s#%u)", CH_TYPE_NAME[pcch->ch_type], |
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312 PS_SAPI_0, VTX_NAME[pcch->vtx], |
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313 __FILE10__, __LINE__); |
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314 } |
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315 else |
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316 { |
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317 TRACE_EVENT_WIN_P5 ("RESUME_REQ: %s SAPI=%u vtx=%s (%s#%u)", CH_TYPE_NAME[pcch->ch_type], |
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318 PS_SAPI_0, VTX_NAME[pcch->vtx], |
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319 __FILE10__, __LINE__); |
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320 |
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321 /* invalid measurement report first */ |
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322 sacch0_reset_meas (); |
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323 } |
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324 break; |
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325 } |
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326 default: |
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327 { |
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328 COM_FREE_POINTER (P2D(prim)); |
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329 } |
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330 break; |
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331 }/* endswitch */ |
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332 } |
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333 |
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334 /* |
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335 +--------------------------------------------------------------------+ |
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336 | PROJECT : GSM-PS (6147) MODULE : DL_SDCCH | |
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337 | STATE : code ROUTINE : sdcch0_release_req | |
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338 +--------------------------------------------------------------------+ |
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339 |
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340 PURPOSE : Release Request for SDCCH (SAPI 0). |
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341 |
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342 */ |
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343 |
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344 GLOBAL BOOL dcch0_release_req (T_DL_RELEASE_REQ * release_req) |
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345 { |
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346 GET_INSTANCE_DATA; |
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347 BOOL bFree = TRUE; |
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348 |
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349 TRACE_FUNCTION ("dcch0_release_req()"); |
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350 |
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351 if (release_req->mode EQ DL_LOCAL_END_RELEASE) |
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352 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
353 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH0, release_req->ch_type, "local end release req"); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
354 dcch0_init_dl_data (); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
355 bFree = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
356 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
357 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
358 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
359 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH0, release_req->ch_type, "normal release req"); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
360 dl_data->cch[C_DCCH0].ch_type = release_req->ch_type; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
361 switch (dl_data->state[C_DCCH0]) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
362 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
363 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
364 bFree = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
365 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
366 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
367 case STATE_CONTENTION_RESOLUTION: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
368 case STATE_MULTIPLE_FRAME_ESTABLISHED: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
369 case STATE_TIMER_RECOVERY: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
370 if (!dl_data->dcch0_disc_request AND (dl_data->cch[C_DCCH0].vtx EQ RR_CMD)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
371 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
372 dl_data->dcch0_disc_request = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
373 dcch3_init_dl_data (); /*Disabling SAPI 3 connections */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
374 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
375 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
376 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
377 dcch3_init_dl_data (); /*Disabling SAPI 3 connections */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
378 com_prepare_DISC (C_DCCH0, release_req->sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
379 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
380 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
381 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
382 case STATE_AWAITING_RELEASE: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
383 dl_data->cch[C_DCCH0].T200_counter = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
384 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
385 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
386 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
387 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
388 if (bFree EQ FALSE) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
389 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
390 PREUSE (release_req, release_cnf, DL_RELEASE_CNF); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
391 release_cnf->indication = |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
392 com_queue_awaiting_transmission (PS_SAPI_0) ? DL_UNSERVED : DL_ALL_DONE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
393 PSENDX (RR, release_cnf); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
394 dcch0_init_dl_data (); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
395 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
396 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
397 return bFree; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
398 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
399 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
400 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
401 +--------------------------------------------------------------------+ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
402 | PROJECT : GSM-PS (6147) MODULE : DL_SDCCH | |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
403 | STATE : code ROUTINE : sdcch0_mdl_release_req | |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
404 +--------------------------------------------------------------------+ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
405 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
406 PURPOSE : Release Request from Mobility Management for SDCCH (SAPI 0). |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
407 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
408 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
409 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
410 GLOBAL void dcch0_mdl_release_req (void) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
411 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
412 GET_INSTANCE_DATA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
413 TRACE_FUNCTION ("dcch0_mdl_release_req()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
414 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
415 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH0, dl_data->cch[C_DCCH0].ch_type, "mdl rel req"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
416 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
417 switch (dl_data->state[C_DCCH0]) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
418 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
419 case STATE_CONTENTION_RESOLUTION: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
420 case STATE_AWAITING_RELEASE: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
421 drr_dl_release_cnf (dl_data->cch[C_DCCH0].ch_type, PS_SAPI_0, TRUE); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
422 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
423 case STATE_MULTIPLE_FRAME_ESTABLISHED: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
424 case STATE_TIMER_RECOVERY: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
425 drr_dl_release_ind (dl_data->cch[C_DCCH0].ch_type, PS_SAPI_0, NOT_PRESENT_8BIT, TRUE); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
426 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
427 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
428 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
429 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
430 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
431 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
432 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
433 +--------------------------------------------------------------------+ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
434 | PROJECT : GSM-PS (6147) MODULE : DL_SDCCH | |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
435 | STATE : code ROUTINE : sdcch0_suspend_req | |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
436 +--------------------------------------------------------------------+ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
437 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
438 PURPOSE : Suspend Request for SDCCH (SAPI 0). |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
439 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
440 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
441 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
442 GLOBAL void dcch0_suspend_req (T_DL_SUSPEND_REQ * suspend_req) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
443 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
444 GET_INSTANCE_DATA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
445 T_CCH *pcch = &dl_data->cch[C_DCCH0]; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
446 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
447 TRACE_FUNCTION ("dcch0_suspend_req()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
448 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
449 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH0, suspend_req->ch_type, "suspend req"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
450 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
451 pcch->ch_type = suspend_req->ch_type; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
452 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
453 TRACE_EVENT_WIN_P1 ("reset dcch0_ch_type=%s ->0", CH_TYPE_NAME[dl_data->dcch0_ch_type]); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
454 dl_data->dcch0_ch_type = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
455 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
456 switch (dl_data->state[C_DCCH0]) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
457 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
458 case STATE_CONTENTION_RESOLUTION: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
459 case STATE_MULTIPLE_FRAME_ESTABLISHED: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
460 case STATE_TIMER_RECOVERY: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
461 case STATE_AWAITING_RELEASE: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
462 pcch->T200_counter = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
463 pcch->time_flag = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
464 pcch->contention_resolution = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
465 set_channel_state (C_DCCH0, STATE_SUSPENDED); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
466 dcch3_init_dl_data (); /* Disabling SAPI 3 connections */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
467 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
468 #if 0 /* yes, from now DL sends measurement reports also in suspended state */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
469 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
470 * no further measurement reports |
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parents:
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471 */ |
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parents:
diff
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|
472 sacch0_reset_meas (dl_data); |
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parents:
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473 #endif /* 0|1 */ |
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parents:
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474 break; |
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parents:
diff
changeset
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475 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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476 default: |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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477 TRACE_EVENT ("INVALID SUSPEND STATE"); |
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parents:
diff
changeset
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478 break; |
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parents:
diff
changeset
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479 } |
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parents:
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480 COM_FREE_POINTER (suspend_req); |
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parents:
diff
changeset
|
481 |
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parents:
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482 TRACE_EVENT_WIN_P5 ("SUSPEND_REQ: %s SAPI=%u vtx=%s (%s#%u)", CH_TYPE_NAME[pcch->ch_type], |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
483 PS_SAPI_0, VTX_NAME[pcch->vtx], |
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parents:
diff
changeset
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484 __FILE10__, __LINE__); |
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parents:
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changeset
|
485 } |
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parents:
diff
changeset
|
486 |
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parents:
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changeset
|
487 /* |
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parents:
diff
changeset
|
488 +--------------------------------------------------------------------+ |
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parents:
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changeset
|
489 | PROJECT : GSM-PS (6147) MODULE : DL_SDCCH | |
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parents:
diff
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490 | STATE : code ROUTINE : dcch0_check_disc | |
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parents:
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changeset
|
491 +--------------------------------------------------------------------+ |
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parents:
diff
changeset
|
492 |
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493 PURPOSE : DISC command frame on DCCH0. |
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parents:
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changeset
|
494 |
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parents:
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changeset
|
495 */ |
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changeset
|
496 |
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497 GLOBAL int dcch0_check_disc (int send) |
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498 { |
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499 GET_INSTANCE_DATA; |
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500 TRACE_FUNCTION ("dcch0_check_disc()"); |
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parents:
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changeset
|
501 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
502 if (dl_data->dcch0_disc_request AND !(dl_data->cch[C_DCCH0].vtx EQ RR_CMD)) |
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parents:
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changeset
|
503 { |
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diff
changeset
|
504 dcch3_init_dl_data (); /*Disabling SAPI 3 connections */ |
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parents:
diff
changeset
|
505 com_prepare_DISC (C_DCCH0, PS_SAPI_0); |
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parents:
diff
changeset
|
506 dl_data->dcch0_disc_request = FALSE; |
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parents:
diff
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|
507 #if defined(DELAYED_SABM) |
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diff
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508 dl_data->dcch0_sabm_flag = NOT_PRESENT_8BIT; /* delete pending delayed SABM */ |
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parents:
diff
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|
509 #endif /* DELAYED_SABM */ |
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parents:
diff
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|
510 return uplink_awaiting_release (C_DCCH0, PS_SAPI_0); |
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parents:
diff
changeset
|
511 } |
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parents:
diff
changeset
|
512 else |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
513 return send; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
514 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
515 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
516 /* |
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parents:
diff
changeset
|
517 +--------------------------------------------------------------------+ |
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parents:
diff
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|
518 | PROJECT : GSM-PS (6147) MODULE : DL_SDCCH | |
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parents:
diff
changeset
|
519 | STATE : code ROUTINE : dcch0_data_req | |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
520 +--------------------------------------------------------------------+ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
521 |
fa8dc04885d8
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parents:
diff
changeset
|
522 PURPOSE : Data Request on SDCCH (SAPI 0). |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
523 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
524 */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
525 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
526 GLOBAL void dcch0_data_req (T_DL_DATA_REQ * data_req) |
fa8dc04885d8
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parents:
diff
changeset
|
527 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
528 GET_INSTANCE_DATA; |
fa8dc04885d8
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parents:
diff
changeset
|
529 TRACE_FUNCTION ("sdcch0_data_req()"); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
530 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
531 dl_data->cch[C_DCCH0].ch_type = data_req->ch_type; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
532 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
533 switch (dl_data->state[C_DCCH0]) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
534 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
535 case STATE_MULTIPLE_FRAME_ESTABLISHED: |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
536 case STATE_TIMER_RECOVERY: |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
537 case STATE_SUSPENDED: |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
538 case STATE_CONTENTION_RESOLUTION: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
539 com_store_queue (PS_SAPI_0, data_req); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
540 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
541 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
542 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
543 COM_FREE_POINTER (data_req); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
544 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
545 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
546 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
547 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
548 #endif /* !DL_DCCH0_C */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
549 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
550 |