FreeCalypso > hg > fc-magnetite
annotate src/g23m-gprs/sndcp/sndcp_sup.c @ 464:2ba8d9decc30
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author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 20 Mar 2018 05:54:32 +0000 |
parents | 219afcfc6250 |
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rev | line source |
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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_sup.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 (SU-statemachine) |
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20 +----------------------------------------------------------------------------- |
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21 */ |
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22 |
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23 /*---- HISTORY --------------------------------------------------------------*/ |
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24 |
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25 |
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26 #define ENTITY_SNDCP |
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27 |
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28 /*==== INCLUDES =============================================================*/ |
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29 |
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30 #include "typedefs.h" /* to get Condat data types */ |
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31 #include "vsi.h" /* to get a lot of macros */ |
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32 #include "macdef.h" |
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33 #include "prim.h" /* to get the definitions of used SAP and directions */ |
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34 |
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35 #include "dti.h" |
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36 |
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37 #include "sndcp.h" /* to get the global entity definitions */ |
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38 #include "sndcp_f.h" /* to get the functions to access the global arrays*/ |
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39 |
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40 #include "sndcp_suf.h" /* to get internal functions of service su */ |
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41 #include "sndcp_nus.h" /* to get signal functions to service nu */ |
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42 |
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43 /*==== CONST ================================================================*/ |
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44 |
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45 /*==== LOCAL VARS ===========================================================*/ |
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46 |
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47 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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48 |
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49 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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50 |
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51 |
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52 |
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53 |
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54 #ifdef _SNDCP_DTI_2_ |
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55 /* |
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56 +------------------------------------------------------------------------------ |
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57 | Function : su_ll_unitready_ind |
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58 +------------------------------------------------------------------------------ |
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59 | Description : Handles the primitive LL_UNITREADY_IND |
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60 | |
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61 | Parameters : *ll_unitready_ind - Ptr to primitive payload |
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62 | |
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63 +------------------------------------------------------------------------------ |
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64 */ |
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65 GLOBAL void su_ll_unitready_ind ( T_LL_UNITREADY_IND *ll_unitready_ind ) |
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66 { |
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67 U8 sapi_index = 0; |
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68 |
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69 |
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70 TRACE_FUNCTION( "su_ll_unitready_ind" ); |
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71 #ifdef FLOW_TRACE |
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72 sndcp_trace_flow_control(FLOW_TRACE_SNDCP, |
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73 FLOW_TRACE_UP, |
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74 FLOW_TRACE_BOTTOM, |
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75 TRUE); |
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76 #endif |
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77 /* |
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78 * set service instance according to sapi in primitive |
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79 */ |
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80 sndcp_get_sapi_index(ll_unitready_ind->sapi, &sapi_index); |
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81 sndcp_data->su = & sndcp_data->su_base[sapi_index]; |
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82 |
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83 switch( GET_STATE( SU ) ) |
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84 { |
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85 case SU_LLC_NOT_RECEPTIVE_SUSPEND: |
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86 /* |
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87 * Is queue with outgoing LL_UNITDESC_REQs empty? |
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88 */ |
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89 if (sndcp_data->su->ll_unitdesc_q_read == |
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90 sndcp_data->su->ll_unitdesc_q_write) { |
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91 if (sndcp_data->su->cia_state == CIA_IDLE) { |
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92 su_next_sn_unitdata_req(ll_unitready_ind->sapi); |
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93 } |
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94 } |
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95 SET_STATE(SU, SU_LLC_RECEPTIVE_SUSPEND); |
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96 break; |
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97 case SU_LLC_RECEPTIVE_SUSPEND: |
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98 break; |
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99 case SU_LLC_NOT_RECEPTIVE: |
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100 /* |
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101 * Is queue with outgoing LL_UNITDESC_REQs empty? |
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102 */ |
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103 if (sndcp_data->su->ll_unitdesc_q_read == |
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104 sndcp_data->su->ll_unitdesc_q_write) { |
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105 |
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106 SET_STATE(SU, SU_LLC_RECEPTIVE); |
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107 if (sndcp_data->su->cia_state == CIA_IDLE) { |
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108 su_next_sn_unitdata_req(ll_unitready_ind->sapi); |
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109 } |
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110 |
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111 } else { /* sndcp_data->su.ll_unitdesc_q is not empty */ |
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112 /* |
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113 * Send next ll_unitdesc_req from queue. |
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114 */ |
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115 U8 ll_unitdesc_seg_pos; |
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116 U8 ll_unitdesc_nsapi; |
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117 U8 ll_unitdesc_sapi; |
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118 |
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119 T_LL_UNITDESC_REQ* ll_unitdesc_req = |
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120 sndcp_data->su->ll_unitdesc_q[sndcp_data->su->ll_unitdesc_q_read]; |
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121 |
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122 sndcp_data->su->ll_unitdesc_q[sndcp_data->su->ll_unitdesc_q_read] = |
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123 NULL; |
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124 |
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125 sndcp_data->su->ll_unitdesc_q_read = |
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126 (sndcp_data->su->ll_unitdesc_q_read + 1) % |
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127 SNDCP_SEGMENT_NUMBERS_UNACK; |
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128 |
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129 #ifdef SNDCP_TRACE_ALL |
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130 TRACE_EVENT("uplink with sn header at LL SAP: "); |
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131 TRACE_EVENT_P1("%d octets", |
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132 ll_unitdesc_req->desc_list3.list_len); |
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133 |
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134 sndcp_trace_desc_list3_content(ll_unitdesc_req->desc_list3); |
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135 |
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136 #endif |
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137 #ifdef FLOW_TRACE |
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138 sndcp_trace_flow_control(FLOW_TRACE_SNDCP, |
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139 FLOW_TRACE_UP, |
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140 FLOW_TRACE_BOTTOM, |
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141 FALSE); |
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142 #endif |
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143 ll_unitdesc_seg_pos = ll_unitdesc_req->seg_pos; |
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144 ll_unitdesc_nsapi = su_get_nsapi(ll_unitdesc_req); |
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145 ll_unitdesc_sapi = ll_unitdesc_req->sapi; |
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146 |
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147 |
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148 #ifdef _SIMULATION_ |
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149 su_send_ll_unitdata_req_test(ll_unitdesc_req); |
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150 #else /* _SIMULATION_ */ |
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151 PSEND(hCommLLC, ll_unitdesc_req); |
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152 #endif /* _SIMULATION_ */ |
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153 |
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154 if ((ll_unitdesc_seg_pos & SEG_POS_LAST) > 0) { |
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155 sig_su_nu_ready_ind( ll_unitdesc_nsapi ); |
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156 su_next_sn_unitdata_req( ll_unitdesc_sapi ); |
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157 sndcp_data->su->cia_state = CIA_IDLE; |
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158 } |
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159 |
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160 } /* sndcp_data->su.ll_unitdesc_q is not empty */ |
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161 break; |
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162 case SU_LLC_RECEPTIVE: |
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163 break; |
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164 default: |
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165 TRACE_ERROR( "LL_UNITREADY_IND unexpected" ); |
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166 break; |
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167 } |
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168 if (ll_unitready_ind != NULL) { |
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169 PFREE(ll_unitready_ind); |
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170 } |
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171 |
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172 } /* su_ll_unitready_ind() */ |
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173 #else /* _SNDCP_DTI_2_ */ |
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174 /* |
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175 +------------------------------------------------------------------------------ |
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176 | Function : su_ll_unitready_ind |
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177 +------------------------------------------------------------------------------ |
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178 | Description : Handles the primitive LL_UNITREADY_IND |
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179 | |
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180 | Parameters : *ll_unitready_ind - Ptr to primitive payload |
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181 | |
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182 +------------------------------------------------------------------------------ |
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183 */ |
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184 GLOBAL void su_ll_unitready_ind ( T_LL_UNITREADY_IND *ll_unitready_ind ) |
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185 { |
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186 UBYTE sapi_index = 0; |
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187 |
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188 |
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189 TRACE_FUNCTION( "su_ll_unitready_ind" ); |
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190 #ifdef FLOW_TRACE |
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191 sndcp_trace_flow_control(FLOW_TRACE_SNDCP, |
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192 FLOW_TRACE_UP, |
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193 FLOW_TRACE_BOTTOM, |
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194 TRUE); |
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195 #endif |
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196 /* |
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197 * set service instance according to sapi in primitive |
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198 */ |
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199 sndcp_get_sapi_index(ll_unitready_ind->sapi, &sapi_index); |
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200 sndcp_data->su = & sndcp_data->su_base[sapi_index]; |
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201 |
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202 switch( GET_STATE( SU ) ) |
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203 { |
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204 case SU_LLC_NOT_RECEPTIVE_SUSPEND: |
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205 /* |
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206 * Is queue with outgoing LL_UNITDATA_REQs empty? |
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207 */ |
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208 if (sndcp_data->su->ll_unitdata_q_read == |
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209 sndcp_data->su->ll_unitdata_q_write) { |
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210 if (sndcp_data->su->cia_state == CIA_IDLE) { |
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211 su_next_sn_unitdata_req(ll_unitready_ind->sapi); |
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212 } |
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213 } |
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214 SET_STATE(SU, SU_LLC_RECEPTIVE_SUSPEND); |
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215 break; |
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216 case SU_LLC_RECEPTIVE_SUSPEND: |
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217 break; |
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218 case SU_LLC_NOT_RECEPTIVE: |
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219 /* |
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220 * Is queue with outgoing LL_UNITDATA_REQs empty? |
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221 */ |
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222 if (sndcp_data->su->ll_unitdata_q_read == |
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223 sndcp_data->su->ll_unitdata_q_write) { |
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224 |
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225 SET_STATE(SU, SU_LLC_RECEPTIVE); |
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226 if (sndcp_data->su->cia_state == CIA_IDLE) { |
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227 su_next_sn_unitdata_req(ll_unitready_ind->sapi); |
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228 } |
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229 |
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230 } else { /* sndcp_data->su.ll_unitdata_q is not empty */ |
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231 /* |
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232 * Send next ll_unitdata_req from queue. |
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233 */ |
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234 UBYTE ll_unitdata_seg_pos; |
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235 UBYTE ll_unitdata_nsapi; |
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236 UBYTE ll_unitdata_sapi; |
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237 |
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238 T_LL_UNITDATA_REQ* ll_unitdata_req = |
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239 sndcp_data->su->ll_unitdata_q[sndcp_data->su->ll_unitdata_q_read]; |
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240 |
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241 sndcp_data->su->ll_unitdata_q[sndcp_data->su->ll_unitdata_q_read] = |
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242 NULL; |
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243 |
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244 sndcp_data->su->ll_unitdata_q_read = |
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245 (sndcp_data->su->ll_unitdata_q_read + 1) % |
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246 SNDCP_SEGMENT_NUMBERS_UNACK; |
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247 |
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248 #ifdef SNDCP_TRACE_ALL |
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249 TRACE_EVENT("uplink with sn header at LL SAP: "); |
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250 TRACE_EVENT_P1("%d octets", |
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251 (ll_unitdata_req->sdu.l_buf + 7) / 8); |
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252 |
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253 |
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254 sndcp_trace_sdu(& ll_unitdata_req->sdu); |
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255 #endif |
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256 #ifdef FLOW_TRACE |
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257 sndcp_trace_flow_control(FLOW_TRACE_SNDCP, |
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258 FLOW_TRACE_UP, |
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259 FLOW_TRACE_BOTTOM, |
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260 FALSE); |
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261 #endif |
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262 ll_unitdata_seg_pos = ll_unitdata_req->seg_pos; |
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263 ll_unitdata_nsapi = su_get_nsapi(ll_unitdata_req); |
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264 ll_unitdata_sapi = ll_unitdata_req->sapi; |
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265 |
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266 PSEND (hCommLLC, ll_unitdata_req); |
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267 |
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268 if ((ll_unitdata_seg_pos & SEG_POS_LAST) > 0) { |
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269 sig_su_nu_ready_ind( ll_unitdata_nsapi ); |
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270 su_next_sn_unitdata_req( ll_unitdata_sapi ); |
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271 sndcp_data->su->cia_state = CIA_IDLE; |
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272 } |
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273 |
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274 } /* sndcp_data->su.ll_unitdata_q is not empty */ |
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275 break; |
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276 case SU_LLC_RECEPTIVE: |
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277 break; |
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278 default: |
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279 TRACE_ERROR( "LL_UNITREADY_IND unexpected" ); |
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280 break; |
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281 } |
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282 if (ll_unitready_ind != NULL) { |
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283 PFREE(ll_unitready_ind); |
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284 } |
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285 |
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286 } /* su_ll_unitready_ind() */ |
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287 #endif /* _SNDCP_DTI_2_ */ |
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288 |
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289 |
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290 |