FreeCalypso > hg > fc-selenite
annotate src/g23m-gprs/sndcp/sndcp_suap.c @ 40:614668bbbc4f
Nucleus: tmt.s ported over from FreeNucleus by XVilka
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 17 Jul 2018 07:55:01 +0000 |
parents | d393cd9bb723 |
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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 : GPRS (8441) |
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4 | Modul : sndcp_suap.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 is part of the entity SNDCP and implements all |
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18 | functions to handles the incoming primitives as described in |
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19 | the SDL-documentation (SUA-statemachine) |
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20 +----------------------------------------------------------------------------- |
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21 */ |
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22 |
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23 #define ENTITY_SNDCP |
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24 |
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25 /*==== INCLUDES =============================================================*/ |
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26 |
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27 #include "typedefs.h" /* to get Condat data types */ |
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28 #include "vsi.h" /* to get a lot of macros */ |
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29 #include "macdef.h" |
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30 #include "prim.h" /* to get the definitions of used SAP and directions */ |
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31 |
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32 #include "dti.h" |
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33 |
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34 #include "sndcp.h" /* to get the global entity definitions */ |
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35 #include "sndcp_f.h" /* to get the functions to access the global arrays*/ |
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36 |
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37 #include "sndcp_suaf.h" /* to get internal functions of service sua */ |
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38 #include "sndcp_nus.h" /* to get signal functions to service nu */ |
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39 |
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40 |
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41 /*==== CONST ================================================================*/ |
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42 |
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43 /*==== LOCAL VARS ===========================================================*/ |
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44 |
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45 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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46 |
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47 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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48 |
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49 |
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50 |
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51 /* |
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52 +------------------------------------------------------------------------------ |
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53 | Function : sua_ll_data_cnf |
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54 +------------------------------------------------------------------------------ |
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55 | Description : Handles the primitive LL_DATA_CNF |
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56 | |
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57 | Parameters : *ll_data_cnf - Ptr to primitive payload |
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58 | |
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59 +------------------------------------------------------------------------------ |
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60 */ |
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61 GLOBAL void sua_ll_data_cnf ( T_LL_DATA_CNF *ll_data_cnf ) |
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62 { |
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63 BOOL complete = FALSE; |
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64 BOOL found = FALSE; |
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65 T_SEG_INFO* help = NULL; |
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66 T_SEG_INFO* last_help = NULL; |
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67 UBYTE sapi_index = 0; |
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68 UBYTE refi = 0; |
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69 |
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70 TRACE_FUNCTION( "sua_ll_data_cnf" ); |
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71 |
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72 /* |
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73 * set service instance according to sapi in primitive |
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74 */ |
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75 sndcp_get_sapi_index(ll_data_cnf->sapi, &sapi_index); |
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76 sndcp_data->sua = & sndcp_data->sua_base[sapi_index]; |
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77 |
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78 TRACE_EVENT_P1("ll_data_cnf->c_reference1: %d", ll_data_cnf->c_reference1); |
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79 |
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80 switch( GET_STATE( SUA ) ) |
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81 { |
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82 case SUA_LLC_NOT_RECEPTIVE_SUSPEND: |
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83 case SUA_LLC_RECEPTIVE_SUSPEND: |
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84 case SUA_LLC_NOT_RECEPTIVE: |
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85 case SUA_LLC_RECEPTIVE: |
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86 for (refi = 0; refi < ll_data_cnf->c_reference1; refi++) { |
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87 complete = FALSE; |
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88 found = FALSE; |
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89 last_help = NULL; |
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90 help = sndcp_data->sua->first_seg_info; |
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91 if (help == NULL) { |
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92 /* |
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93 * There are no N-PDUs buffered. CNF must be wrong. |
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94 */ |
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95 if (ll_data_cnf != NULL) { |
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96 TRACE_EVENT("There are no N-PDUs buffered. CNF must be wrong."); |
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97 PFREE(ll_data_cnf); |
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98 } |
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99 return; |
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100 } |
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101 while (help != NULL && !found) { |
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102 TRACE_EVENT_P1("ll_data_cnf->reference1[refi].ref_nsapi: %d", |
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103 ll_data_cnf->reference1[refi].ref_nsapi); |
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104 TRACE_EVENT_P1("ll_data_cnf->reference1[refi].ref_npdu_num: %d", |
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105 ll_data_cnf->reference1[refi].ref_npdu_num); |
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106 TRACE_EVENT_P1("ll_data_cnf->reference1[refi].ref_seg_num: %d", |
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107 ll_data_cnf->reference1[refi].ref_seg_num); |
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108 if (ll_data_cnf->reference1[refi].ref_nsapi == help->nsapi && |
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109 ll_data_cnf->reference1[refi].ref_npdu_num == help->npdu_number) |
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110 { |
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111 TRACE_EVENT_P1("ll_data_cnf->reference1[refi].ref_seg_num: %d", |
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112 ll_data_cnf->reference1[refi].ref_seg_num); |
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113 TRACE_EVENT_P1("old help->cnf_segments: %d", help->cnf_segments); |
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114 help->cnf_segments += |
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115 1 << ll_data_cnf->reference1[refi].ref_seg_num; |
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116 TRACE_EVENT_P1("new help->cnf_segments: %d", help->cnf_segments); |
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117 found = TRUE; |
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118 } |
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119 last_help = help; |
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120 help = help->next; |
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121 } |
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122 if (!found) { |
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123 /* |
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124 * No affected NPDU found. |
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125 */ |
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126 if (ll_data_cnf != NULL) { |
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127 TRACE_EVENT("No affected NPDU found."); |
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128 PFREE(ll_data_cnf); |
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129 } |
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130 return; |
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131 } |
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132 |
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133 /* |
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134 * If the affected N-PDU is completely confirmed, notify service nu and |
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135 * free last_help. |
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136 */ |
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137 |
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138 TRACE_EVENT_P1("last_help->number_of_segments: %d", |
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139 last_help->number_of_segments); |
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140 TRACE_EVENT_P1("last_help->cnf_segments: %d", |
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141 last_help->cnf_segments); |
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142 |
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143 if (last_help->number_of_segments == SNDCP_SEGMENT_NUMBERS_ACK) { |
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144 if (last_help->cnf_segments == |
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145 SNDCP_MAX_COMPLETE /*4294967295 == 2**32 - 1*/) { |
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146 complete = TRUE; |
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147 } |
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148 } else if (last_help->cnf_segments == |
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149 ((ULONG)(1 << last_help->number_of_segments) - 1)) { |
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150 complete = TRUE; |
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151 } |
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152 if (complete) { |
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153 /* |
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154 * Notify service nu. |
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155 */ |
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156 sig_sua_nu_data_cnf |
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157 (ll_data_cnf->reference1[refi].ref_nsapi, |
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158 (UBYTE)ll_data_cnf->reference1[refi].ref_npdu_num); |
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159 /* |
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160 * Free last_help. |
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161 */ |
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162 help = sndcp_data->sua->first_seg_info; |
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163 if (help == last_help) { |
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164 sndcp_data->sua->first_seg_info = help->next; |
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165 MFREE(help); |
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166 help = NULL; |
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167 } else { |
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168 T_SEG_INFO* help_next = help->next; |
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169 while (help->next != last_help) { |
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170 help = help->next; |
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171 } |
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172 help_next = help->next; |
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173 help->next = help_next->next; |
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174 MFREE (help_next); |
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175 } |
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176 } |
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177 } /* for refi */ |
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178 break; |
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179 default: |
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180 TRACE_ERROR( "LL_DATA_CNF unexpected" ); |
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181 break; |
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182 } |
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183 if (ll_data_cnf != NULL) { |
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184 PFREE(ll_data_cnf); |
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185 } |
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186 |
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187 } /* sua_ll_data_cnf() */ |
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188 |
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189 |
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190 #ifdef _SNDCP_DTI_2_ |
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191 /* |
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192 +------------------------------------------------------------------------------ |
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193 | Function : sua_ll_ready_ind |
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194 +------------------------------------------------------------------------------ |
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195 | Description : Handles the primitive LL_READY_IND |
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196 | |
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197 | Parameters : *ll_ready_ind - Ptr to primitive payload |
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198 | |
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199 +------------------------------------------------------------------------------ |
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200 */ |
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201 GLOBAL void sua_ll_ready_ind ( T_LL_READY_IND *ll_ready_ind ) |
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202 { |
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203 U8 sapi_index = 0; |
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204 |
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205 TRACE_FUNCTION( "sua_ll_ready_ind" ); |
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206 |
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207 /* |
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208 * set service instance according to sapi in primitive |
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209 */ |
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210 sndcp_get_sapi_index(ll_ready_ind->sapi, &sapi_index); |
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211 sndcp_data->sua = & sndcp_data->sua_base[sapi_index]; |
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212 |
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213 switch( GET_STATE( SUA ) ) |
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214 { |
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215 case SUA_LLC_NOT_RECEPTIVE_SUSPEND: |
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216 /* |
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217 * Is queue with outgoing LL_DESC_REQs empty? |
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218 */ |
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219 if (sndcp_data->sua->ll_desc_q_read == |
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220 sndcp_data->sua->ll_desc_q_write) { |
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221 if (sndcp_data->sua->cia_state == CIA_IDLE) { |
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222 sua_next_sn_data_req(ll_ready_ind->sapi); |
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223 } |
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224 } |
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225 SET_STATE(SUA, SUA_LLC_RECEPTIVE_SUSPEND); |
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|
226 break; |
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227 case SUA_LLC_RECEPTIVE_SUSPEND: |
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228 break; |
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229 case SUA_LLC_NOT_RECEPTIVE: |
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230 /* |
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231 * Is queue with outgoing LL_DESC_REQs empty? |
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232 */ |
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233 if (sndcp_data->sua->ll_desc_q_read == |
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234 sndcp_data->sua->ll_desc_q_write) { |
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235 SET_STATE(SUA, SUA_LLC_RECEPTIVE); |
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236 if (sndcp_data->sua->cia_state == CIA_IDLE) { |
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237 sua_next_sn_data_req(ll_ready_ind->sapi); |
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238 } |
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239 } else { /* sndcp_data->sua.ll_desc_q is not empty */ |
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240 /* |
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241 * Send next ll_desc_req from queue. |
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242 */ |
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243 T_LL_DESC_REQ* ll_desc_req = |
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244 sndcp_data->sua->ll_desc_q[sndcp_data->sua->ll_desc_q_read]; |
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245 |
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246 U8 ll_desc_sapi = ll_desc_req->sapi; |
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247 U8 ll_desc_seg_pos = ll_desc_req->seg_pos; |
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248 U8 ll_desc_nsapi = sua_get_nsapi(ll_desc_req); |
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249 |
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250 sndcp_data->sua->ll_desc_q[sndcp_data->sua->ll_desc_q_read] = NULL; |
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251 sndcp_data->sua->ll_desc_q_read = |
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252 (sndcp_data->sua->ll_desc_q_read + 1) % SNDCP_SEGMENT_NUMBERS_ACK; |
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253 |
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254 #ifdef _SIMULATION_ |
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255 su_send_ll_data_req_test(ll_desc_req); |
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256 #else /* _SIMULATION_ */ |
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257 PSEND(hCommLLC, ll_desc_req); |
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258 #endif /* _SIMULATION_ */ |
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259 |
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260 if ((ll_desc_seg_pos & SEG_POS_LAST) > 0) { |
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261 sig_sua_nu_ready_ind( ll_desc_nsapi ); |
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262 sua_next_sn_data_req( ll_desc_sapi ); |
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263 sndcp_data->sua->cia_state = CIA_IDLE; |
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264 } |
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265 |
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266 |
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267 } /* sndcp_data->sua.ll_desc_q is not empty */ |
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268 break; |
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269 case SUA_LLC_RECEPTIVE: |
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270 break; |
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271 default: |
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272 TRACE_ERROR( "LL_READY_IND unexpected" ); |
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273 break; |
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274 } |
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275 if (ll_ready_ind != NULL) { |
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276 PFREE (ll_ready_ind); |
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277 } |
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278 |
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279 } /* su_ll_ready_ind() */ |
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280 #else /* _SNDCP_DTI_2_ */ |
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281 /* |
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282 +------------------------------------------------------------------------------ |
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283 | Function : sua_ll_ready_ind |
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284 +------------------------------------------------------------------------------ |
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285 | Description : Handles the primitive LL_READY_IND |
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286 | |
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287 | Parameters : *ll_ready_ind - Ptr to primitive payload |
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288 | |
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289 +------------------------------------------------------------------------------ |
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290 */ |
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291 GLOBAL void sua_ll_ready_ind ( T_LL_READY_IND *ll_ready_ind ) |
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292 { |
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293 UBYTE sapi_index = 0; |
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294 |
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295 TRACE_FUNCTION( "sua_ll_ready_ind" ); |
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296 |
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297 /* |
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298 * set service instance according to sapi in primitive |
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299 */ |
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300 sndcp_get_sapi_index(ll_ready_ind->sapi, &sapi_index); |
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301 sndcp_data->sua = & sndcp_data->sua_base[sapi_index]; |
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302 |
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303 switch( GET_STATE( SUA ) ) |
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304 { |
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305 case SUA_LLC_NOT_RECEPTIVE_SUSPEND: |
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306 /* |
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307 * Is queue with outgoing LL_DATA_REQs empty? |
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308 */ |
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309 if (sndcp_data->sua->ll_data_q_read == |
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310 sndcp_data->sua->ll_data_q_write) { |
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311 if (sndcp_data->sua->cia_state == CIA_IDLE) { |
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312 sua_next_sn_data_req(ll_ready_ind->sapi); |
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313 } |
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314 } |
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315 SET_STATE(SUA, SUA_LLC_RECEPTIVE_SUSPEND); |
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316 break; |
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317 case SUA_LLC_RECEPTIVE_SUSPEND: |
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318 break; |
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319 case SUA_LLC_NOT_RECEPTIVE: |
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320 /* |
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321 * Is queue with outgoing LL_DATA_REQs empty? |
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322 */ |
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323 if (sndcp_data->sua->ll_data_q_read == |
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324 sndcp_data->sua->ll_data_q_write) { |
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325 SET_STATE(SUA, SUA_LLC_RECEPTIVE); |
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326 if (sndcp_data->sua->cia_state == CIA_IDLE) { |
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327 sua_next_sn_data_req(ll_ready_ind->sapi); |
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328 } |
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329 } else { /* sndcp_data->sua.ll_data_q is not empty */ |
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330 /* |
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331 * Send next ll_data_req from queue. |
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332 */ |
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333 T_LL_DATA_REQ* ll_data_req = |
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334 sndcp_data->sua->ll_data_q[sndcp_data->sua->ll_data_q_read]; |
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335 |
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336 UBYTE ll_data_sapi = ll_data_req->sapi; |
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337 UBYTE ll_data_seg_pos = ll_data_req->seg_pos; |
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338 UBYTE ll_data_nsapi = sua_get_nsapi(ll_data_req); |
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|
339 |
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340 sndcp_data->sua->ll_data_q[sndcp_data->sua->ll_data_q_read] = NULL; |
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341 sndcp_data->sua->ll_data_q_read = |
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342 (sndcp_data->sua->ll_data_q_read + 1) % SNDCP_SEGMENT_NUMBERS_ACK; |
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|
343 |
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|
344 PSEND (hCommLLC, ll_data_req); |
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|
345 |
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346 if ((ll_data_seg_pos & SEG_POS_LAST) > 0) { |
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347 sig_sua_nu_ready_ind( ll_data_nsapi ); |
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348 sua_next_sn_data_req( ll_data_sapi ); |
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349 sndcp_data->sua->cia_state = CIA_IDLE; |
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350 } |
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351 |
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352 |
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353 } /* sndcp_data->sua.ll_data_q is not empty */ |
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354 break; |
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355 case SUA_LLC_RECEPTIVE: |
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356 break; |
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357 default: |
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358 TRACE_ERROR( "LL_READY_IND unexpected" ); |
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359 break; |
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360 } |
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361 if (ll_ready_ind != NULL) { |
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362 PFREE (ll_ready_ind); |
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363 } |
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364 |
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365 } /* su_ll_ready_ind() */ |
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366 #endif /* _SNDCP_DTI_2_ */ |