FreeCalypso > hg > fc-magnetite
annotate src/g23m-gprs/llc/llc_txf.c @ 640:16eb1b9640dc
target gtm900 renamed to gtm900mgc2
This change reflects the fact that the build target in question supports
MGC2GSMT hardware only, and will NOT work on other hw that confusing bears
the same end user name of GTM900, neither the LoCosto-based GTM900-C
nor the Calypso-based MG01GSMT that has a different and incompatible RFFE.
If we ever get our hands on a piece of MG01GSMT hw and add support for it,
that other target will be named gtm900mg01.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 31 Jan 2020 00:46:07 +0000 |
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rev | line source |
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : |
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4 | Modul : |
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5 +----------------------------------------------------------------------------- |
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6 | Copyright 2002 Texas Instruments Berlin, AG |
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7 | All rights reserved. |
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8 | |
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9 | This file is confidential and a trade secret of Texas |
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10 | Instruments Berlin, AG |
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11 | The receipt of or possession of this file does not convey |
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12 | any rights to reproduce or disclose its contents or to |
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13 | manufacture, use, or sell anything it may describe, in |
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14 | whole, or in part, without the specific written consent of |
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15 | Texas Instruments Berlin, AG. |
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16 +----------------------------------------------------------------------------- |
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17 | Purpose : This modul is part of the entity LLC and implements all |
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18 | procedures and functions as described in the |
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19 | SDL-documentation (TX-statemachine) |
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20 +----------------------------------------------------------------------------- |
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21 */ |
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22 |
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23 #ifndef LLC_TXF_C |
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24 #define LLC_TXF_C |
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25 #endif |
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26 |
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27 #define ENTITY_LLC |
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28 |
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29 /*==== INCLUDES =============================================================*/ |
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30 |
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31 #include <string.h> /* to get memcpy() */ |
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32 |
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33 #include "typedefs.h" /* to get Condat data types */ |
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34 #include "vsi.h" /* to get a lot of macros */ |
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35 #include "macdef.h" |
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36 #include "gprs.h" |
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37 #include "gsm.h" /* to get a lot of macros */ |
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38 #include "cnf_llc.h" /* to get cnf-definitions */ |
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39 #include "mon_llc.h" /* to get mon-definitions */ |
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40 #include "prim.h" /* to get the definitions of used SAP and directions */ |
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41 #include "llc.h" /* to get the global entity definitions */ |
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42 |
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43 #include "llc_f.h" /* to get global functions, e.g. llc_generate_input */ |
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44 #include "llc_txf.h" /* to get the global entity definitions */ |
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45 #include "llc_txp.h" /* to get the function tx_cci_cipher_cnf */ |
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46 |
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47 #include "llc_uitxs.h" /* to get signal interface to UITX */ |
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48 #include "llc_itxs.h" /* to get signal interface to ITX */ |
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49 |
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50 #ifndef TI_PS_OP_CIPH_DRIVER |
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51 #include "cci_fbsf.h" /* to get functional interface */ |
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52 #endif |
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53 |
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54 |
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55 /*==== CONST ================================================================*/ |
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56 |
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57 /*==== LOCAL VARS ===========================================================*/ |
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58 |
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59 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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60 |
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61 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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62 |
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63 |
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64 /* |
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65 +------------------------------------------------------------------------------ |
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66 | Function : tx_init |
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67 +------------------------------------------------------------------------------ |
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68 | Description : This procedure initialises all necessary variables of send_pdu. |
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69 | |
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70 | Parameters : |
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71 | |
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72 +------------------------------------------------------------------------------ |
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73 */ |
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74 GLOBAL void llc_tx_init (void) |
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75 { |
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76 TRACE_FUNCTION( "tx_init" ); |
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77 |
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78 /* |
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79 * Initialise TX with state NOT_READY. |
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80 */ |
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81 INIT_STATE (TX, TX_TLLI_UNASSIGNED_NOT_READY); |
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82 |
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83 /* |
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84 * Flush TX queue, if there is (in case of an LLC |
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85 * restart) old stuff queued. |
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86 */ |
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87 tx_clear_buffer(); |
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88 |
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89 return; |
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90 } /* tx_init() */ |
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91 |
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92 |
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93 /* |
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94 +------------------------------------------------------------------------------ |
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95 | Function : tx_clear_buffer |
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96 +------------------------------------------------------------------------------ |
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97 | Description : This procedure frees all buffered CCI_CIPHER_CNF primitives. |
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98 | |
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99 | Parameters : |
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100 | |
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101 +------------------------------------------------------------------------------ |
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102 */ |
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103 GLOBAL void tx_clear_buffer (void) |
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104 { |
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105 T_TX_QUEUE *elem; |
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106 T_TX_QUEUE *elem_next; |
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107 |
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108 |
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109 TRACE_FUNCTION( "tx_clear_buffer" ); |
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110 |
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111 for (elem = llc_data->tx.queue; elem NEQ NULL; elem = elem_next) |
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112 { |
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113 elem_next = elem->next; |
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114 |
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115 /* |
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116 * Free primitive if any is stored in queue element. |
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117 */ |
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118 if (elem->primitive NEQ (ULONG)NULL) |
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119 { |
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120 PFREE (elem->primitive); |
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121 } |
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122 |
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123 MFREE (elem); |
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124 } |
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125 |
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126 llc_data->tx.queue = NULL; |
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127 |
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128 /* |
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129 * Initialise UITX space counter for each SAPI. |
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130 */ |
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131 llc_data->tx.queue_counter_uitx[0] = UITX_1_QUEUE_SIZE; |
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132 llc_data->tx.queue_counter_uitx[1] = UITX_3_QUEUE_SIZE; |
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133 llc_data->tx.queue_counter_uitx[2] = UITX_5_QUEUE_SIZE; |
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134 llc_data->tx.queue_counter_uitx[3] = UITX_7_QUEUE_SIZE; |
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135 llc_data->tx.queue_counter_uitx[4] = UITX_9_QUEUE_SIZE; |
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136 llc_data->tx.queue_counter_uitx[5] = UITX_11_QUEUE_SIZE; |
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137 |
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138 /* |
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139 * Initialise ITX space counter for each SAPI. |
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140 */ |
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141 llc_data->tx.queue_counter_itx[0] = ITX_3_QUEUE_SIZE; |
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142 llc_data->tx.queue_counter_itx[1] = ITX_5_QUEUE_SIZE; |
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143 llc_data->tx.queue_counter_itx[2] = ITX_9_QUEUE_SIZE; |
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144 llc_data->tx.queue_counter_itx[3] = ITX_11_QUEUE_SIZE; |
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145 |
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146 return; |
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147 } /* tx_clear_buffer() */ |
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148 |
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149 /* |
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150 +------------------------------------------------------------------------------ |
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151 | Function : tx_cipher_req |
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152 +------------------------------------------------------------------------------ |
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153 | Description : Handles the function tx_cipher_req. This functions sets the |
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154 | ciphering parameters and calls the ciphering driver function. |
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155 | |
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156 | Parameters : todo |
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157 | |
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158 +------------------------------------------------------------------------------ |
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159 */ |
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160 GLOBAL void tx_cipher_req |
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161 ( |
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162 #ifdef LL_DESC |
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163 T_CCI_CIPHER_DESC_REQ *cipher_req |
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164 #else |
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165 T_CCI_CIPHER_REQ *cipher_req |
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166 #endif |
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167 ) |
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168 |
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169 { |
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170 T_CIPH_init_cipher_req_parms init_cipher_req_parms; |
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171 T_CIPH_cipher_req_parms cipher_req_parms; |
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172 T_CIPH_in_data_list in_data_list; |
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173 T_CIPH_out_data out_data; |
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174 T_CIPH_ck ck; |
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175 U16 i; |
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176 U8 status; |
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177 |
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178 TRACE_FUNCTION( "tx_cipher_req" ); |
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179 |
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180 #ifdef LLC_TRACE_CIPHERING |
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181 TRACE_EVENT("UPLINK NON CIPHERED DATA"); |
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182 llc_trace_desc_list3_content(cipher_req->desc_list3); |
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183 #endif |
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184 /* |
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185 * Copy pointer to desc's from CIPHER_REQ to the in_data_list |
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186 * The in_data array in allocated dynamically in this func. |
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187 */ |
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188 llc_copy_ul_data_to_list(cipher_req, &in_data_list); |
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189 /* |
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190 * Store ciphering parameters |
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191 */ |
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192 cipher_req_parms.gprs_parameters.pm = cipher_req->pm; |
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193 cipher_req_parms.gprs_parameters.header_size = cipher_req->header_size; |
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194 cipher_req_parms.gprs_parameters.ciphering_input = cipher_req->ciphering_input; |
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195 cipher_req_parms.gprs_parameters.threshold = 0; |
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196 init_cipher_req_parms.direction = CIPH_UPLINK_DIR; |
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197 init_cipher_req_parms.algo = cipher_req->ciphering_algorithm; |
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198 init_cipher_req_parms.ptr_ck = & ck; |
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199 /* |
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200 * Copy ciphering key |
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201 */ |
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202 for (i=0; i<8;i++){ |
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203 init_cipher_req_parms.ptr_ck->ck_element[i] = cipher_req->kc.key[i]; |
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204 } |
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205 |
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206 { |
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207 /* Use GRLC_DATA_REQ instead of CCI_CIPHER_CNF to avoid PPASS in LLC*/ |
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208 PALLOC_SDU (grlc_data_req, GRLC_DATA_REQ, |
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209 (USHORT)(cipher_req->desc_list3.list_len*8 + FCS_SIZE_BITS)); |
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210 |
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211 grlc_data_req->sdu.o_buf = 0; |
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212 grlc_data_req->sdu.l_buf = 0; |
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213 out_data.buf = (U32)(&grlc_data_req->sdu.buf[grlc_data_req->sdu.o_buf]); |
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214 /* |
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215 * Initialize ciphering driver and cipher data |
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216 */ |
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217 #ifdef TI_PS_OP_CIPH_DRIVER |
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218 ciph_init_cipher_req (&init_cipher_req_parms, NULL); |
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219 ciph_cipher_req (&cipher_req_parms, &in_data_list, &out_data, &status); |
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220 #else |
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221 ciph_init_cipher_req_sim (&init_cipher_req_parms, NULL); |
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222 ciph_cipher_req_sim (&cipher_req_parms, &in_data_list, &out_data, &status); |
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223 #endif |
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224 |
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225 /* |
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226 * "Send" CIPHER_CNF to LLC |
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227 */ |
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228 grlc_data_req->sdu.l_buf = out_data.len * 8; |
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229 grlc_data_req->tlli = cipher_req->reference1; |
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230 |
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231 #ifdef LLC_TRACE_CIPHERING |
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232 TRACE_EVENT("UPLINK CIPHERED DATA"); |
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233 llc_trace_sdu(&grlc_data_req->sdu); |
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234 #endif |
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235 tx_cci_cipher_cnf (grlc_data_req); |
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236 |
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237 } |
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238 /* |
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239 * Remove in use mark from the cipher request primitive |
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240 */ |
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241 if (cipher_req != NULL) { |
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242 { |
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243 /* |
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244 * Free cipher request, if not further used by other entities |
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245 */ |
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246 if (cipher_req->attached_counter == CCI_NO_ATTACHE) { |
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247 #ifdef LL_DESC |
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248 llc_cl_desc3_free((T_desc3*)cipher_req->desc_list3.first); |
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249 #endif /* LL_DESC */ |
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250 } |
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251 } |
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252 MFREE (cipher_req); |
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253 cipher_req = NULL; |
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254 } |
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255 /* |
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256 * Free in_data array from in_data_list |
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257 * allocated dynamically in llc_copy_ul_data_to_list() |
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258 */ |
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259 if(in_data_list.ptr_in_data != NULL){ |
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260 MFREE(in_data_list.ptr_in_data); |
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261 in_data_list.ptr_in_data = NULL; |
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262 } |
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263 |
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264 } /* tx_cipher_req() */ |
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265 |
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266 /* |
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267 +------------------------------------------------------------------------------ |
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268 | Function : tx_send_cipher_req |
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269 +------------------------------------------------------------------------------ |
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270 | Description : This procedure fills all necessary parameters in the primitive |
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271 | CCI_CIPHER_REQ and sends the primitive to CCI. |
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272 | |
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273 | Parameters : cci_cipher_req - a valid pointer to a CCI_CIPHER_REQ primitive |
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274 | frame_type - indicates frame type (e.g. UI_FRAME) |
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275 | protected_mode - PM bit setting for CCI_CIPHER_REQ |
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276 | ns - N(U) for UI frames |
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277 | cipher - indicates if frame shall be ciphered or not |
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278 | oc - |
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279 | |
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280 +------------------------------------------------------------------------------ |
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281 */ |
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282 GLOBAL void tx_send_cipher_req |
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283 ( |
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284 #ifdef LL_DESC |
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285 T_CCI_CIPHER_DESC_REQ *cci_cipher_desc_req, |
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286 #else |
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287 T_CCI_CIPHER_REQ *cci_cipher_desc_req, |
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288 #endif |
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289 T_PDU_TYPE frame_type, |
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290 UBYTE protected_mode, |
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291 T_FRAME_NUM ns, |
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292 UBYTE cipher, |
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293 ULONG oc |
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294 ) |
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295 { |
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296 TRACE_FUNCTION( "tx_send_cipher_req" ); |
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297 |
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298 cci_cipher_desc_req->pm = protected_mode; |
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299 |
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300 if ( (cipher EQ LL_CIPHER_ON) AND |
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301 (llc_data->ciphering_algorithm NEQ LLGMM_CIPHER_NO_ALGORITHM) ) |
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302 { |
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303 cci_cipher_desc_req->ciphering_algorithm = llc_data->ciphering_algorithm; |
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304 memcpy (&cci_cipher_desc_req->kc, &llc_data->kc, sizeof(T_kc)); |
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305 |
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306 llc_generate_input (llc_data->current_sapi, frame_type, ns, |
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307 &cci_cipher_desc_req->ciphering_input, oc); |
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308 |
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309 cci_cipher_desc_req->direction = CCI_DIRECTION_UPLINK; |
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310 } |
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311 else /* LL_CIPHER_OFF */ |
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312 { |
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313 cci_cipher_desc_req->ciphering_algorithm = CCI_CIPHER_NO_ALGORITHM; |
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314 } |
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315 |
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316 tx_cipher_req (cci_cipher_desc_req); |
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317 return; |
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318 } /* tx_send_cipher_desc_req() */ |
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319 |
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320 |
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321 /* |
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322 +------------------------------------------------------------------------------ |
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323 | Function : tx_reserve_buffer |
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324 +------------------------------------------------------------------------------ |
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325 | Description : This procedure allocates an element for the local transmit |
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326 | queue. If cause is DEFAULT or MOBILITY_MANAGEMENT, the element |
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327 | is appended at the end of the queue, otherwise it is inserted |
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328 | at the beginning. Necessary data like primitive header |
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329 | information and additional important data for the (resulting) |
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330 | GRLC_xDATA_REQ primitive is stored in the reserved buffer |
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331 | element. The primitive pointer in the element is set to NULL, |
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332 | to indicate that the element is not yet 'ready to send'. |
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333 | Parameter reservation_no will be set to the allocation number |
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334 | of the element. Parameter buffer_available will be set to TRUE |
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335 | if additional data primitives can be buffered for the current |
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336 | sapi, otherwise it will be set to FALSE. |
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337 | |
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338 | Parameters : ll_unitdata_req - a valid pointer to a LL_UNITDATA_REQ |
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339 | primitive, containing the data to be sent |
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340 | prim_type - indicates GRLC_DATA/UNITDATA_REQ |
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341 | cause - frame cause, only valid for GRLC_DATA_REQ |
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342 | rx_service - service for flow control (if any) |
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343 | reservation_no - associated number for the buffer entry |
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344 | buffer_available - still buffer space available for current |
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345 | SAPI |
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346 | |
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347 +------------------------------------------------------------------------------ |
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348 */ |
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349 GLOBAL void tx_reserve_buffer |
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350 ( |
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351 #ifdef LL_DESC |
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352 T_LL_UNITDESC_REQ *ll_unitdesc_req, |
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353 #else |
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354 T_LL_UNITDATA_REQ *ll_unitdesc_req, |
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355 #endif |
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356 T_PRIM_TYPE prim_type, |
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357 UBYTE cause, |
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358 T_SERVICE rx_service, |
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359 ULONG *reservation_no, |
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360 BOOL *buffer_available |
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361 ) |
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362 { |
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363 T_TX_QUEUE *elem; |
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364 T_TX_QUEUE **insert; |
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365 |
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366 static ULONG allocation_number = 0; |
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367 |
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368 TRACE_FUNCTION ("tx_reserve_buffer"); |
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369 |
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370 MALLOC (elem, sizeof(T_TX_QUEUE)); |
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371 |
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372 /* |
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373 * Increase allocation number. Use of reservation_no must correspond |
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374 * to use in tx_store_buffer(). |
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375 */ |
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376 *reservation_no = ++(allocation_number); |
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377 |
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378 /* |
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379 * Store all required information in new queue element. Member primitive |
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380 * is set to NULL to indicate that the element is not yet ready to be sent. |
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381 * Copy necessary primitive header information to ph_* variables. |
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382 */ |
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383 elem->primitive = (ULONG)NULL; |
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384 elem->prim_type = prim_type; |
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385 elem->reference = allocation_number; |
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386 elem->rx_service = rx_service; |
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387 elem->remove_frame = FALSE; |
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388 elem->ph_sapi = ll_unitdesc_req->sapi; |
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389 elem->ph_tlli = ll_unitdesc_req->tlli; |
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390 elem->ph_grlc_qos_peak = ll_unitdesc_req->ll_qos.peak; |
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391 elem->ph_radio_prio = ll_unitdesc_req->radio_prio; |
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392 elem->ph_cause = cause; |
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393 #ifdef REL99 |
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394 elem->ph_pkt_flow_id = (UBYTE)ll_unitdesc_req->pkt_flow_id; |
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395 #endif /* REL99 */ |
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396 |
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397 if ((cause EQ GRLC_DTACS_DEF) OR (cause EQ GRLC_DTACS_MOBILITY_MANAGEMENT)) |
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398 { |
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399 /* |
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400 * "Normal" frame cause, append element at the end of queue. Let insert |
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401 * either point to llc_data->tx.queue or to the member .next of an element. |
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402 */ |
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403 insert = &llc_data->tx.queue; |
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404 while (*insert NEQ NULL) |
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405 { |
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406 insert = &((*insert)->next); |
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407 } |
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408 |
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409 /* |
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410 * Insert new element at found location and mark element as last in queue. |
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411 */ |
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412 *insert = elem; |
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413 elem->next = NULL; |
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414 } |
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415 else /* GRLC_DTACS_PAGE_RESPONSE OR GRLC_DTACS_CELL_UPDATE */ |
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416 { |
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417 /* |
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418 * No "normal" frame cause, thus LLGMM_TRIGGER_REQ must have been |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
419 * received. Insert element at the beginning of queue. |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
420 */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
421 elem->next = llc_data->tx.queue; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
422 llc_data->tx.queue = elem; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
423 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
424 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
425 /* |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
426 * Check if a service for flow control is specified (currently only |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
427 * SERVICE_UITX and SERVICE_ITX are recognized). |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
428 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
429 *buffer_available = FALSE; |
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parents:
diff
changeset
|
430 |
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parents:
diff
changeset
|
431 if (rx_service EQ SERVICE_UITX) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
432 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
433 /* |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
434 * Decrement the space counter of UITX primitives in the queue for the |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
435 * current SAPI. This means that one place of the queue is occupied. |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
436 * Check if there is space for one more primitive in the queue. |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
437 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
438 int n = llc_data->tx.queue_counter_uitx[UIMAP(llc_data->current_sapi)]; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
439 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
440 if (n > 0) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
441 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
442 llc_data->tx.queue_counter_uitx[UIMAP(llc_data->current_sapi)]--; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
443 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
444 if (n > 1) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
445 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
446 *buffer_available = TRUE; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
447 } |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
448 } |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
449 else |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
450 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
451 TRACE_EVENT ("Check uitx-queue flow"); |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
452 } |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
453 } |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
454 else if (rx_service EQ SERVICE_ITX) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
455 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
456 /* |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
457 * Decrement the space counter of ITX primitives in the queue for the |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
458 * current SAPI. This means that one place of the queue is occupied. |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
459 * Check if there is space for one more primitive in the queue. |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
460 */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
461 int n = llc_data->tx.queue_counter_itx[IMAP(llc_data->current_sapi)]; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
462 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
463 if (n > 0) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
464 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
465 llc_data->tx.queue_counter_itx[IMAP(llc_data->current_sapi)]--; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
466 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
467 if (n > 1) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
468 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
469 *buffer_available = TRUE; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
470 } |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
471 } |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
472 else |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
473 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
474 TRACE_EVENT ("Check itx-queue flow"); |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
475 } |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
476 } |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
477 else |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
478 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
479 /* |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
480 * All other services (e.g. SERVICE_U) are allowed to send primitives |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
481 * per default. I.E. no flow control, except for service UITX and ITX. |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
482 */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
483 *buffer_available = TRUE; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
484 } |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
485 } /* tx_reserve_buffer() */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
486 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
487 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
488 /* |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
489 +------------------------------------------------------------------------------ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
490 | Function : tx_store_buffer |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
491 +------------------------------------------------------------------------------ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
492 | Description : This procedure stores the given CCI primitive as GRLC primitive |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
493 | in the already reserved local transmit queue element that is |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
494 | given with primitive parameter reference. This queue element |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
495 | is marked as 'ready to send'. The CCI primitive is being |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
496 | PPASSED as GRLC_DATA_REQ/GRLC_UNITDATA_REQ, according to |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
497 | prim_type in the queue element. All header information for |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
498 | the GRLC primitive is being filled in from the already stored |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
499 | data in the element. |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
500 | |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
501 | Parameters : cci_cipher_cnf - a valid pointer to a CCI_CIPHER_CNF primitive |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
502 | |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
503 +------------------------------------------------------------------------------ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
504 */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
505 GLOBAL void tx_store_buffer (T_GRLC_DATA_REQ *grlc_data_req) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
506 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
507 T_TX_QUEUE *elem = llc_data->tx.queue; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
508 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
509 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
510 TRACE_FUNCTION ("tx_store_buffer"); |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
511 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
512 /* |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
513 * Find corresponding queue entry. Use of reference must correspond to |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
514 * use in tx_reserve_buffer(). |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
515 */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
516 while (elem NEQ NULL) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
517 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
518 if (elem->reference EQ grlc_data_req->tlli) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
519 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
520 break; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
521 } |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
522 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
523 elem = elem->next; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
524 } |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
525 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
526 if (elem NEQ NULL) |
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|
527 { |
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|
528 if (elem->prim_type EQ PRIM_DATA) |
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parents:
diff
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|
529 { |
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parents:
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|
530 /* |
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|
531 * Copy information from stored primitive header variables (ph_*) to |
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parents:
diff
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|
532 * GRLC primitive. |
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parents:
diff
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|
533 */ |
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diff
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|
534 grlc_data_req->sapi = elem->ph_sapi; |
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|
535 grlc_data_req->tlli = elem->ph_tlli; |
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parents:
diff
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|
536 #ifdef LL_2to1 |
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parents:
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|
537 grlc_data_req->grlc_qos.peak = elem->ph_grlc_qos_peak; |
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parents:
diff
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|
538 #else |
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|
539 grlc_data_req->grlc_qos.peak = elem->ph_grlc_qos_peak; |
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parents:
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|
540 #endif |
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parents:
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|
541 grlc_data_req->radio_prio = elem->ph_radio_prio; |
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parents:
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|
542 grlc_data_req->cause = elem->ph_cause; |
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parents:
diff
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|
543 |
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parents:
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|
544 #ifdef REL99 |
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|
545 grlc_data_req->pkt_flow_id[0] = elem->ph_pkt_flow_id; |
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parents:
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|
546 #endif /* REL99*/ |
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parents:
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|
547 |
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parents:
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|
548 #ifdef _SIMULATION_ |
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parents:
diff
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|
549 /* |
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parents:
diff
changeset
|
550 * Initialize all (unused) members of grlc_qos, because otherwise the test |
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parents:
diff
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551 * cases fail. |
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parents:
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|
552 */ |
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parents:
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|
553 #ifdef LL_2to1 |
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parents:
diff
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|
554 grlc_data_req->grlc_qos.delay = PS_DELAY_SUB; |
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|
555 grlc_data_req->grlc_qos.relclass = PS_RELCLASS_SUB; |
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parents:
diff
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|
556 grlc_data_req->grlc_qos.preced = PS_PRECED_SUB; |
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parents:
diff
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|
557 grlc_data_req->grlc_qos.mean = PS_MEAN_SUB; |
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parents:
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|
558 #else |
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parents:
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|
559 grlc_data_req->grlc_qos.delay = GRLC_DELAY_SUB; |
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parents:
diff
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|
560 grlc_data_req->grlc_qos.relclass = GRLC_RELCLASS_SUB; |
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parents:
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|
561 grlc_data_req->grlc_qos.preced = GRLC_PRECED_SUB; |
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parents:
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|
562 grlc_data_req->grlc_qos.mean = GRLC_MEAN_SUB; |
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parents:
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|
563 #endif |
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parents:
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|
564 |
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parents:
diff
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|
565 #endif /* _SIMULATION_ */ |
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parents:
diff
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|
566 |
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diff
changeset
|
567 elem->primitive = (ULONG)grlc_data_req; |
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parents:
diff
changeset
|
568 } |
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parents:
diff
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|
569 else /* PRIM_UNITDATA */ |
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parents:
diff
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|
570 { |
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parents:
diff
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|
571 /* |
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parents:
diff
changeset
|
572 * Store CCI primitive as GRLC_UNITDATA_REQ (and mark it as stored). |
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parents:
diff
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|
573 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
574 PPASS (grlc_data_req, grlc_unitdata_req, GRLC_UNITDATA_REQ); |
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parents:
diff
changeset
|
575 |
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parents:
diff
changeset
|
576 /* |
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parents:
diff
changeset
|
577 * Copy information from stored primitive header variables (ph_*) to |
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parents:
diff
changeset
|
578 * GRLC primitive (omit ph_cause, because it is not present in |
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parents:
diff
changeset
|
579 * GRLC_UNITDATA_REQ). |
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parents:
diff
changeset
|
580 */ |
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parents:
diff
changeset
|
581 grlc_unitdata_req->sapi = elem->ph_sapi; |
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parents:
diff
changeset
|
582 grlc_unitdata_req->tlli = elem->ph_tlli; |
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parents:
diff
changeset
|
583 #ifdef LL_2to1 |
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parents:
diff
changeset
|
584 grlc_unitdata_req->grlc_qos.peak = elem->ph_grlc_qos_peak; |
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parents:
diff
changeset
|
585 #else |
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parents:
diff
changeset
|
586 grlc_unitdata_req->grlc_qos.peak = elem->ph_grlc_qos_peak; |
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parents:
diff
changeset
|
587 #endif |
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parents:
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|
588 grlc_unitdata_req->radio_prio = elem->ph_radio_prio; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
589 #ifdef REL99 |
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parents:
diff
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|
590 grlc_unitdata_req->pkt_flow_id[0] = elem->ph_pkt_flow_id; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
591 #endif /* REL99*/ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
592 #ifdef _SIMULATION_ |
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parents:
diff
changeset
|
593 /* |
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parents:
diff
changeset
|
594 * Initialize all (unused) members of grlc_qos, because otherwise the test |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
595 * cases fail. |
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parents:
diff
changeset
|
596 */ |
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parents:
diff
changeset
|
597 #ifdef LL_2to1 |
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parents:
diff
changeset
|
598 grlc_unitdata_req->grlc_qos.delay = PS_DELAY_SUB; |
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parents:
diff
changeset
|
599 grlc_unitdata_req->grlc_qos.relclass = PS_RELCLASS_SUB; |
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parents:
diff
changeset
|
600 grlc_unitdata_req->grlc_qos.preced = PS_PRECED_SUB; |
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parents:
diff
changeset
|
601 grlc_unitdata_req->grlc_qos.mean = PS_MEAN_SUB; |
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parents:
diff
changeset
|
602 #else |
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parents:
diff
changeset
|
603 grlc_unitdata_req->grlc_qos.delay = GRLC_DELAY_SUB; |
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parents:
diff
changeset
|
604 grlc_unitdata_req->grlc_qos.relclass = GRLC_RELCLASS_SUB; |
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parents:
diff
changeset
|
605 grlc_unitdata_req->grlc_qos.preced = GRLC_PRECED_SUB; |
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parents:
diff
changeset
|
606 grlc_unitdata_req->grlc_qos.mean = GRLC_MEAN_SUB; |
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parents:
diff
changeset
|
607 #endif /* LL_2to1 */ |
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parents:
diff
changeset
|
608 |
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parents:
diff
changeset
|
609 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
610 |
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parents:
diff
changeset
|
611 |
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parents:
diff
changeset
|
612 #endif /* _SIMULATION_ */ |
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parents:
diff
changeset
|
613 |
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parents:
diff
changeset
|
614 elem->primitive = (ULONG)grlc_unitdata_req; |
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parents:
diff
changeset
|
615 } |
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parents:
diff
changeset
|
616 } |
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parents:
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|
617 else /* elem == NULL */ |
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parents:
diff
changeset
|
618 { |
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parents:
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changeset
|
619 /* |
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parents:
diff
changeset
|
620 * elem not found is possible in case of an LLC re-init, reset, |
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parents:
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|
621 * unassign, ... |
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parents:
diff
changeset
|
622 */ |
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diff
changeset
|
623 TRACE_0_INFO("No TX queue entry for given reference found"); |
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diff
changeset
|
624 PFREE (grlc_data_req); |
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parents:
diff
changeset
|
625 } |
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parents:
diff
changeset
|
626 |
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parents:
diff
changeset
|
627 } /* tx_store_buffer() */ |
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parents:
diff
changeset
|
628 |
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629 |
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630 /* |
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631 +------------------------------------------------------------------------------ |
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632 | Function : tx_get_next_frame |
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633 +------------------------------------------------------------------------------ |
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634 | Description : When LLC is not suspended, this procedure gets (and removes) |
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635 | the first primitive out of the local transmit queue and stores |
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636 | it in one of the parameters, according to the type of the |
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637 | primitive (which is written in prim_type). If no frame is |
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638 | available in the queue (i.e. first queue element is not marked |
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639 | as 'ready to send', or the queue is empty), the value NO_PRIM |
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640 | is written in prim_type. The parameter rx_service indicates the |
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641 | originator service. In case the rx_service is UITX or ITX an |
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642 | READY signal for flow control will be send after frame |
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643 | transmission. |
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644 | When LLC is suspended, this procedure returns the first |
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645 | primitive for SAPI 1 or the first U frame for any SAPI, which |
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646 | is ready to send. |
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647 | |
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648 | Parameters : grlc_data_req - a valid pointer to a pointer to a GRLC-DATA-REQ |
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649 | primitive |
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650 | grlc_unitdata_req - a valid pointer to a pointer to a |
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651 | GRLC-UNITDATA-REQ primitive |
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652 | prim_type - will be set to PRIM_DATA or PRIM_UNITDATA, must be |
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653 | a valid pointer |
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654 | rx_service - indicates the originater service |
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655 | must be a valid pointer |
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656 | |
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657 +------------------------------------------------------------------------------ |
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658 */ |
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659 GLOBAL void tx_get_next_frame (T_GRLC_DATA_REQ **grlc_data_req, |
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660 T_GRLC_UNITDATA_REQ **grlc_unitdata_req, |
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661 T_PRIM_TYPE *prim_type, |
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662 T_SERVICE *rx_service, |
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663 UBYTE *sapi) |
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664 { |
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665 int frame_len; |
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666 int ctrl_len; |
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667 T_TX_QUEUE *elem; |
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668 T_TX_QUEUE **find; |
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669 |
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670 |
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671 TRACE_FUNCTION( "tx_get_next_frame" ); |
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672 |
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673 |
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674 /* |
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675 * Initialise find w/ queue start. find points always to the element |
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676 * "before" the examined one, to be able to modifiy the queue, if |
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677 * an element is found. |
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678 */ |
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679 find = &llc_data->tx.queue; |
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680 |
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681 /* |
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682 * If LLC is suspended search the queue for the first GRLC_DATA_REQ primitive, |
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683 * otherwise take the first primitive in queue (if any). |
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684 */ |
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685 if (llc_data->suspended EQ TRUE) |
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686 { |
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687 /* |
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688 * LLC is in suspended mode. Search the queue for the first primitive |
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689 * for SAPI 1 or the first U frame for any SAPI |
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690 */ |
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691 while ( (*find NEQ NULL) AND |
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692 ((*find)->ph_sapi NEQ LL_SAPI_1) AND |
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693 ((*find)->rx_service NEQ SERVICE_U) AND |
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694 ((*find)->primitive NEQ (ULONG)NULL) ) |
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695 { |
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696 find = &((*find)->next); |
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697 } |
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698 } |
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|
699 |
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700 /* |
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701 * Let elem point to queue element (NULL, if no element present/found). |
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702 */ |
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703 elem = *find; |
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704 |
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|
705 |
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706 /* |
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707 * Check if queue is empty or "first" queue element (depending on suspended |
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708 * mode) is marked as not 'ready to send', i.e. it contains a NULL |
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709 * primitive pointer. |
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710 */ |
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711 if ((elem EQ NULL) OR (elem->primitive EQ (ULONG)NULL)) |
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|
712 { |
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|
713 /* |
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714 * Queue is empty or "first" element is not yet 'ready to send'. |
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715 */ |
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716 *prim_type = NO_PRIM; |
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717 } |
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718 else /* (elem NEQ NULL) AND (elem->primitive NEQ NULL) */ |
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719 { |
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720 /* |
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|
721 * Found a valid (and 'ready to send') element in queue. |
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722 */ |
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723 |
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724 /* |
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725 * Remove found element from queue (set member next of element before |
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726 * the found element to the element behind the found element and thus |
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727 * skip the found element). |
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728 */ |
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|
729 *find = (*find)->next; |
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|
730 |
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|
731 /* |
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|
732 * Store data of element in the given parameters. |
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733 */ |
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734 *prim_type = elem->prim_type; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
735 *rx_service = elem->rx_service; |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
736 *sapi = elem->ph_sapi; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
737 |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
738 if (elem->prim_type EQ PRIM_DATA) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
739 { |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
740 *grlc_data_req = (T_GRLC_DATA_REQ *)elem->primitive; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
741 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
742 frame_len = BYTELEN((*grlc_data_req)->sdu.l_buf); |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
743 } |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
744 else /* PRIM_UNITDATA */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
745 { |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
746 *grlc_unitdata_req = (T_GRLC_UNITDATA_REQ *)elem->primitive; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
747 |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
748 frame_len = BYTELEN((*grlc_unitdata_req)->sdu.l_buf); |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
749 } |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
750 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
751 /* |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
752 * If the information fild doesn't fit in current N201_U, remove frame |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
753 * (only applies to service U and UITX). |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
754 */ |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
755 if (*rx_service == SERVICE_U || *rx_service == SERVICE_UITX) |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
756 { |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
757 ctrl_len = (*rx_service == SERVICE_U) ? U_FRAME_MIN_OCTETS |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
758 : UI_FRAME_MIN_OCTETS; |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
759 |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
760 if (frame_len > llc_data->n201_u_base[UIMAP(*sapi)] + ctrl_len) |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
761 { |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
762 elem->remove_frame = TRUE; |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
763 TRACE_0_INFO("Primitive in TX exceeds N201-U: marked to remove"); |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
764 } |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
765 } |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
766 |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
767 /* |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
768 * If frame is marked to remove, do it here |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
769 */ |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
770 if (elem->remove_frame == TRUE) |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
771 { |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
772 if (elem->prim_type EQ PRIM_DATA) |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
773 { |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
774 PFREE (*grlc_data_req); |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
775 TRACE_0_INFO("GRLC_DATA_REQ removed from TX queue"); |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
776 } |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
777 else |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
778 { |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
779 PFREE (*grlc_unitdata_req); |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
780 TRACE_0_INFO("GRLC_UNITDATA_REQ removed from TX queue"); |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
781 } |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
782 |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
783 *prim_type = PRIM_REMOVED; |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
784 } |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
785 |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
786 /* |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
787 * Remove TX queue entry management element |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
788 */ |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
789 MFREE (elem); |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
790 |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
791 /* |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
792 * Check if service queue space should be tracked (at the moment only |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
793 * for service UITX and ITX, due to flow control to this service). |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
794 */ |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
795 if (*rx_service EQ SERVICE_UITX) |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
796 { |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
797 /* |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
798 * Increment the UITX space counter for the SAPI of the primitive |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
799 * to indicate that the primitive has been stored in queue. |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
800 */ |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
801 if (*prim_type EQ PRIM_DATA) |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
802 { |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
803 llc_data->tx.queue_counter_uitx[UIMAP(*sapi)]++; |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
804 } |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
805 else /* PRIM_UNITDATA */ |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
806 { |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
807 llc_data->tx.queue_counter_uitx[UIMAP(*sapi)]++; |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
808 } |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
809 } |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
810 else if (*rx_service EQ SERVICE_ITX) |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
811 { |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
812 /* |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
813 * Increment the ITX space counter for the SAPI of the primitive |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
814 * to indicate that the primitive has been stored in queue. |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
815 */ |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
816 llc_data->tx.queue_counter_itx[IMAP(*sapi)]++; |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
817 } |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
818 } |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
819 |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
820 return; |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
821 } /* tx_get_next_frame() */ |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
822 |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
823 |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
824 /* |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
825 +------------------------------------------------------------------------------ |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
826 | Function : tx_get_first_data_frame |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
827 +------------------------------------------------------------------------------ |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
828 | Description : This procedure finds the first GRLC_DATA_REQ primitive in the |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
829 | local transmit queue and stores its queue element in the |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
830 | parameter element, if any. The primitive (element) stays in |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
831 | the queue. If no GRLC_DATA_REQ primitive is found in the queue, |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
832 | no element is stored in element, but the value NULL. |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
833 | |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
834 | Parameters : elem - must be a valid pointer to a pointer to a |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
835 | TX queue element |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
836 | |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
837 +------------------------------------------------------------------------------ |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
838 */ |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
839 GLOBAL void tx_get_first_data_frame (T_TX_QUEUE **elem) |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
840 { |
219afcfc6250
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diff
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|
841 TRACE_FUNCTION( "tx_get_first_data_frame" ); |
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|
842 |
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|
843 /* |
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|
844 * Check the local transmit queue until a GRLC_DATA_REQ is found or the end |
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diff
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|
845 * of the queue has been reached. In the latter case, *elem is automatically |
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|
846 * set to NULL. |
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parents:
diff
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|
847 */ |
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diff
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|
848 for (*elem = llc_data->tx.queue; *elem NEQ NULL; *elem = (*elem)->next) |
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849 { |
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|
850 /* |
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|
851 * Check if primitive is a GRLC_DATA_REQ primitive. |
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diff
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|
852 */ |
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parents:
diff
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|
853 if ((*elem)->prim_type EQ PRIM_DATA) |
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parents:
diff
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|
854 { |
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parents:
diff
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|
855 break; |
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parents:
diff
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|
856 } |
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parents:
diff
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|
857 } |
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parents:
diff
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|
858 |
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diff
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|
859 return; |
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parents:
diff
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|
860 } /* tx_get_first_data_frame() */ |
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|
861 |
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|
862 |
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diff
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|
863 /* |
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parents:
diff
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|
864 +------------------------------------------------------------------------------ |
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diff
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|
865 | Function : tx_remove_data_frames |
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|
866 +------------------------------------------------------------------------------ |
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diff
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|
867 | Description : This procedure removes all PRIM_DATA for given SAPI and service |
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|
868 | from TX queue. If an element is removed and |
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|
869 | |
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|
870 | Parameters : service - service which requests to delete its primitives |
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diff
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|
871 | sapi - the sapi of the primitives to delete |
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diff
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|
872 | |
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parents:
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|
873 +------------------------------------------------------------------------------ |
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parents:
diff
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|
874 */ |
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parents:
diff
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|
875 GLOBAL void tx_remove_data_frames (T_SERVICE service, T_SAPI sapi) |
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parents:
diff
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|
876 { |
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parents:
diff
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|
877 T_TX_QUEUE *elem; |
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parents:
diff
changeset
|
878 T_TX_QUEUE **find = &llc_data->tx.queue; |
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parents:
diff
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|
879 BOOL elem_removed = FALSE; |
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parents:
diff
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|
880 |
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parents:
diff
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|
881 TRACE_FUNCTION( "tx_remove_data_frames" ); |
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parents:
diff
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|
882 |
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parents:
diff
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|
883 while (*find NEQ NULL) |
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diff
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|
884 { |
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parents:
diff
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|
885 /* |
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parents:
diff
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|
886 * Let elem point to queue element |
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parents:
diff
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|
887 */ |
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parents:
diff
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|
888 elem = *find; |
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parents:
diff
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|
889 |
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parents:
diff
changeset
|
890 /* |
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parents:
diff
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|
891 * Check if primitive is a GRLC_DATA_REQ primitive and |
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parents:
diff
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|
892 * check the sapi of the queue element |
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parents:
diff
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|
893 */ |
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parents:
diff
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|
894 if ((elem->prim_type EQ PRIM_DATA) AND |
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parents:
diff
changeset
|
895 (elem->ph_sapi EQ sapi) AND |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
896 (elem->rx_service EQ service) ) |
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parents:
diff
changeset
|
897 { |
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parents:
diff
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|
898 elem_removed = TRUE; |
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parents:
diff
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|
899 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
900 /* |
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parents:
diff
changeset
|
901 * Remove found element from queue (set member next of element before |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
902 * the found element to the element behind the found element and thus |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
903 * skip the found element). |
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parents:
diff
changeset
|
904 */ |
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parents:
diff
changeset
|
905 *find = (*find)->next; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
906 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
907 /* |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
908 * Check if we have a valid pointer to a primitive |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
909 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
910 if ((elem->primitive NEQ (ULONG)NULL)) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
911 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
912 PFREE ((T_GRLC_DATA_REQ *)elem->primitive); |
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parents:
diff
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|
913 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
914 TRACE_0_INFO("TX queue element and primitive removed"); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
915 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
916 else |
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parents:
diff
changeset
|
917 { |
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parents:
diff
changeset
|
918 /* |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
919 * Primitive is in use at CCI. |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
920 * It is no problem if the corresponding primitive to this entry |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
921 * returns from CCI, because the reference number will not be found |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
922 * and the primitive data will then be freed. |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
923 */ |
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parents:
diff
changeset
|
924 TRACE_0_INFO("In use TX queue element removed"); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
925 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
926 |
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parents:
diff
changeset
|
927 /* |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
928 * Remove TX queue entry management element. |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
929 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
930 MFREE (elem); |
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parents:
diff
changeset
|
931 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
932 /* |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
933 * Check if service queue space should be tracked (at the moment only |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
934 * for service UITX and ITX, due to flow control to this service). |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
935 * In this case increment the space counter for the SAPI of the |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
936 * primitive to indicate that the primitive has been stored in queue. |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
937 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
938 if (service EQ SERVICE_UITX) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
939 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
940 llc_data->tx.queue_counter_uitx[UIMAP(sapi)]++; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
941 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
942 else if (service EQ SERVICE_ITX) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
943 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
944 llc_data->tx.queue_counter_itx[IMAP(sapi)]++; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
945 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
946 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
947 else |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
948 { |
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949 /* |
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950 * Point to the next queue element pointer |
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951 */ |
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952 find = &((*find)->next); |
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953 } |
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954 } |
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955 |
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956 /* |
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957 * Now check, if a ready indication must be send must be send to the |
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958 * requesting service (if at least one elem was removed, send one). |
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959 * Currently only service UITX and ITX are requesting a signal. |
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960 */ |
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961 if (elem_removed) |
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962 { |
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963 SWITCH_LLC (sapi); |
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964 |
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965 if (service EQ SERVICE_UITX) |
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966 { |
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967 sig_tx_uitx_ready_ind(); |
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968 } |
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969 else if (service EQ SERVICE_ITX) |
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970 { |
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971 sig_tx_itx_ready_ind(); |
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972 } |
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973 } |
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974 |
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975 return; |
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976 } /* tx_remove_data_frames() */ |
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977 |