FreeCalypso > hg > fc-tourmaline
annotate src/g23m-fad/l2r/tra_upp.c @ 303:f76436d19a7a default tip
!GPRS config: fix long-standing AT+COPS chance hanging bug
There has been a long-standing bug in FreeCalypso going back years:
sometimes in the AT command bring-up sequence of an ACI-only MS,
the AT+COPS command would produce only a power scan followed by
cessation of protocol stack activity (only L1 ADC traces), instead
of the expected network search sequence. This behaviour was seen
in different FC firmware versions going back to Citrine, and seemed
to follow some law of chance, not reliably repeatable.
This bug has been tracked down and found to be specific to !GPRS
configuration, stemming from our TCS2/TCS3 hybrid and reconstruction
of !GPRS support that was bitrotten in TCS3.2/LoCosto version.
ACI module psa_mms.c, needed only for !GPRS, was missing in the TCS3
version and had to be pulled from TCS2 - but as it turns out,
there is a new field in the MMR_REG_REQ primitive that needs to be
set correctly, and that psa_mms.c module is the place where this
initialization needed to be added.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 08 Jun 2023 08:23:37 +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 : CSD (8411) |
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4 | Modul : tra_upp.c |
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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 processing |
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18 | of incomming primitives for the component TRA |
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19 +----------------------------------------------------------------------------- |
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20 */ |
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21 |
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22 #ifndef TRA_UPP_C |
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23 #define TRA_UPP_C |
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24 #endif |
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25 |
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26 #define ENTITY_L2R |
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27 |
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28 /*==== INCLUDES ===================================================*/ |
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29 |
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30 #include "typedefs.h" |
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31 #include "pconst.cdg" |
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32 #include "vsi.h" |
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33 #include "macdef.h" |
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34 #include "custom.h" |
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35 #include "gsm.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 "dti.h" |
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40 |
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41 #include "cl_ribu.h" |
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42 #include "tra_pei.h" |
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43 #include "tra.h" |
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44 |
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45 /*==== CONST =======================================================*/ |
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46 |
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47 /*==== TYPES =======================================================*/ |
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48 |
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49 /*==== VAR EXPORT ==================================================*/ |
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50 |
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51 /*==== VAR LOCAL ===================================================*/ |
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52 |
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53 /*==== FUNCTIONS ===================================================*/ |
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54 |
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55 /* |
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56 +------------------------------------------------------------------------------ |
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57 | Function : rcv_ra_ready_ind |
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58 +------------------------------------------------------------------------------ |
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59 | Description : Process primitive RA_READY_IND received from RA. |
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60 | This function is called if the RA_READY_IND primtive |
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61 | is received |
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62 | |
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63 | Parameters : ra_ready_ind - |
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64 | |
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65 | |
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66 | Return : - |
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67 +------------------------------------------------------------------------------ |
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68 */ |
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69 |
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70 GLOBAL void rcv_ra_ready_ind(T_RA_READY_IND *ra_ready_ind) |
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71 { |
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72 T_TRA_UP *dul = &tra_data->up; |
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73 |
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74 #ifdef _SIMULATION_ |
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75 TRACE_EVENT_P1 ("rcv_ra_ready_ind(), req_frames: 0x%x", ra_ready_ind->req_frames); |
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76 PACCESS (ra_ready_ind); |
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77 #endif |
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78 |
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79 dul->req_frames = ra_ready_ind->req_frames; |
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80 |
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81 switch (GET_STATE (UP)) |
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82 { |
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83 case UP_IDLE: |
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84 SET_STATE (UP, UP_WAIT); |
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85 break; |
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86 |
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87 case UP_SEND: |
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88 snd_data_to_RA(); |
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89 if (dul->Prim->desc_list2.first EQ 0) |
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90 { |
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91 if (dul->Prim NEQ NULL) |
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92 { |
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93 PFREE(dul->Prim); |
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94 dul->Prim = NULL; |
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95 } |
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96 up_start_dti_flow(); |
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97 SET_STATE (UP, UP_IDLE); |
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98 } |
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99 break; |
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100 } |
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101 #ifdef _SIMULATION_ |
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102 PFREE (ra_ready_ind); |
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103 #endif |
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104 } |
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105 |
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106 /* |
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107 +------------------------------------------------------------------------------ |
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108 | Function : sig_dti_tra_up_data_received_ind |
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109 +------------------------------------------------------------------------------ |
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110 | Description : Process primitive DTI2_DATA_REQ received from CSDIWF. |
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111 | |
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112 | Parameters : dti_data_req |
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113 | |
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114 | |
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115 | Return : - |
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116 +------------------------------------------------------------------------------ |
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117 */ |
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118 |
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119 GLOBAL void sig_dti_tra_up_data_received_ind(T_DTI2_DATA_REQ *dti_data_req) |
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120 { |
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121 T_TRA_UP *dul = &tra_data->up; |
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122 |
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123 TRACE_FUNCTION ("sig_dti_tra_up_data_received_ind()"); |
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124 |
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125 PACCESS (dti_data_req); |
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126 |
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127 dul->Prim = dti_data_req; |
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128 |
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129 dul->sa = dti_data_req->parameters.st_lines.st_line_sa; |
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130 dul->sb = dti_data_req->parameters.st_lines.st_line_sb; |
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131 dul->x = dti_data_req->parameters.st_lines.st_flow; |
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132 |
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133 /* |
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134 TRACE_EVENT_P1("new data: %02X", dti_data_req->desc_list2.list_len); |
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135 */ |
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136 |
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137 if (GET_STATE(DTI) NEQ DTI_CLOSED) |
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138 { |
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139 /* |
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140 * do not send flow control primitives automatically |
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141 */ |
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142 dti_stop(l2r_hDTI, TRA_DTI_UP_INSTANCE, TRA_DTI_UP_INTERFACE, TRA_DTI_UP_CHANNEL); |
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143 } |
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144 |
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145 /* Detect break request */ |
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146 if (dti_data_req->parameters.st_lines.st_break_len NEQ DTI_BREAK_OFF) |
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147 { |
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148 USHORT break_len = dti_data_req->parameters.st_lines.st_break_len; |
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149 |
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150 PFREE(dti_data_req); /* no more used */ |
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151 |
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152 switch (GET_STATE (UP)) |
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153 { |
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154 case UP_SEND: |
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155 /* |
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156 * No more data to send |
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157 */ |
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158 SET_STATE (UP, UP_IDLE); |
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159 /* Fall through */ |
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160 |
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161 case UP_IDLE: |
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162 case UP_WAIT: |
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163 sig_up_tra_mgt_break_ind(break_len); |
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164 up_start_dti_flow(); |
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165 break; |
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166 } |
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167 return; /* xxxxx - send data or do not send it??! */ |
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168 } |
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169 |
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170 switch (GET_STATE (UP)) |
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171 { |
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172 case UP_SEND: |
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173 TRACE_EVENT("still in UP_SEND!"); |
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174 break; |
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175 |
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176 case UP_IDLE: |
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177 SET_STATE (UP, UP_SEND); |
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178 break; |
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179 |
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180 case UP_WAIT: |
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181 snd_data_to_RA(); |
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182 if (dti_data_req->desc_list2.list_len EQ 0) /* data is copied completely */ |
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183 { |
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184 up_start_dti_flow(); |
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185 SET_STATE (UP, UP_IDLE); |
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186 PFREE(dti_data_req); |
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187 dul->Prim = NULL; |
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188 } |
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189 else |
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190 { |
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191 SET_STATE (UP, UP_SEND); |
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192 } |
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193 break; |
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194 } |
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195 } |
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196 |