FreeCalypso > hg > fc-tourmaline

annotate src/g23m-gprs/llc/llc_itxp.c @ 303:f76436d19a7a default tip

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!GPRS config: fix long-standing AT+COPS chance hanging bug There has been a long-standing bug in FreeCalypso going back years: sometimes in the AT command bring-up sequence of an ACI-only MS, the AT+COPS command would produce only a power scan followed by cessation of protocol stack activity (only L1 ADC traces), instead of the expected network search sequence. This behaviour was seen in different FC firmware versions going back to Citrine, and seemed to follow some law of chance, not reliably repeatable. This bug has been tracked down and found to be specific to !GPRS configuration, stemming from our TCS2/TCS3 hybrid and reconstruction of !GPRS support that was bitrotten in TCS3.2/LoCosto version. ACI module psa_mms.c, needed only for !GPRS, was missing in the TCS3 version and had to be pulled from TCS2 - but as it turns out, there is a new field in the MMR_REG_REQ primitive that needs to be set correctly, and that psa_mms.c module is the place where this initialization needed to be added.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 08 Jun 2023 08:23:37 +0000
parents fa8dc04885d8
children
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1
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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 | functions to handles the incoming primitives as described in
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19 | the SDL-documentation (ITX-statemachine)
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20 +-----------------------------------------------------------------------------
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21 */
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22
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23 #ifndef LLC_ITXP_C
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24 #define LLC_ITXP_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 "typedefs.h" /* to get Condat data types */
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32 #include "vsi.h" /* to get a lot of macros */
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33 #include "macdef.h"
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34 #include "gprs.h"
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35 #include "gsm.h" /* to get a lot of macros */
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36 #include "cnf_llc.h" /* to get cnf-definitions */
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37 #include "mon_llc.h" /* to get mon-definitions */
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38 #include "prim.h" /* to get the definitions of used SAP and directions */
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39 #include "llc.h" /* to get the global entity definitions */
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40 #include "llc_f.h" /* to get the global entity definitions */
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41 #include "llc_itxf.h" /* to get local function definitions */
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42 #include <string.h> /* to get memcpy */
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43
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44 /*==== CONST ================================================================*/
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45
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46 /*==== LOCAL VARS ===========================================================*/
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47
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48 /*==== PRIVATE FUNCTIONS ====================================================*/
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49
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50 /*==== PUBLIC FUNCTIONS =====================================================*/
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51
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52
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53 /*
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54 +------------------------------------------------------------------------------
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55 | Function : itx_ll_desc_req
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56 +------------------------------------------------------------------------------
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57 | Description : Handles the primitive LL_DATA_REQ
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58 |
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59 | Parameters : *ll_desc_req/ll_data_req - Ptr to primitive payload
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60 |
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61 +------------------------------------------------------------------------------
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62 */
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63 GLOBAL void itx_ll_desc_req
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64 (
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65 #ifdef LL_DESC
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66 T_LL_DESC_REQ *ll_desc_req
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67 #else
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68 T_LL_DATA_REQ *ll_desc_req
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69 #endif
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70 )
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71 {
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72 BOOL success;
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73
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74 TRACE_FUNCTION( "ll_desc_req" );
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75
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76 SWITCH_LLC (ll_desc_req->sapi);
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77 #ifdef REL99
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78 llc_data->cur_pfi = ll_desc_req->pkt_flow_id; /* store current packet flow identifier */
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79 TRACE_EVENT_P1("packet flow id = %d",ll_desc_req->pkt_flow_id);
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80 #endif
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81 llc_data->cur_qos = ll_desc_req->ll_qos; /* store current QoS */
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82 TRACE_EVENT_P1("peak throughput = %d",ll_desc_req->ll_qos.peak);
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83 llc_data->cur_radio_prio = ll_desc_req->radio_prio;
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84 TRACE_EVENT_P1("radio priority = %d",ll_desc_req->radio_prio);
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85
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86 #ifdef LL_DESC
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87 TRACE_2_PARA("s:%d len:%d", ll_desc_req->sapi, ll_desc_req->desc_list3.list_len);
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88 #else
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89 TRACE_2_PARA("s:%d len:%d", ll_desc_req->sapi, BYTELEN(ll_desc_req->sdu.l_buf));
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90 #endif
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91 /*
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92 * Set up the attached counter
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93 */
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94 ll_desc_req->attached_counter = CCI_NO_ATTACHE;
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95
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96 switch (GET_STATE(ITX))
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97 {
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98 case ITX_TLLI_UNASSIGNED:
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99 case ITX_TLLI_ASSIGNED:
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100 /*
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101 * Ignore primitive, but free prim data.
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102 */
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103 #ifdef LL_DESC
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104 llc_cl_desc3_free((T_desc3*)ll_desc_req->desc_list3.first);
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105 #endif /* LL_DESC */
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106 PFREE (ll_desc_req);
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107 TRACE_ERROR( "ll_desc_req unexpected" );
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108 break;
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109
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110 case ITX_ABM:
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111 case ITX_ABM_PEER_BUSY:
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112 itx_i_queue_store (ll_desc_req, &success);
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113 if ( success == FALSE )
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114 {
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115 TRACE_0_INFO("ll_desc_req storing failed" );
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116 #ifdef LL_DESC
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117 llc_cl_desc3_free((T_desc3*)ll_desc_req->desc_list3.first);
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118 #endif /* LL_DESC */
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119 PFREE (ll_desc_req);
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120 }
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121 else
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122 {
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123 itx_send_next_frame (ABIT_NO_REQ);
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124 itx_handle_ll_ready_ind (FALSE);
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125 }
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126 /* SET_STATE (ITX, SAME_STATE); */
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127 break;
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128
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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129 default:
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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130 #ifdef LL_DESC
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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131 llc_cl_desc3_free((T_desc3*)ll_desc_req->desc_list3.first);
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132 #endif /* LL_DESC */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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133 PFREE (ll_desc_req);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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134 TRACE_ERROR( "ll_desc_req unexpected" );
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parents:
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135 break;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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136 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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137
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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138 } /* itx_ll_desc_req() */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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139
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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140 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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141 +------------------------------------------------------------------------------
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142 | Function : itx_ll_data_req
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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143 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
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144 | Description : Handles the primitive LL_DATA_REQ
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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145 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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146 | Parameters : *ll_data_req - Ptr to primitive payload
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parents:
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147 |
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148 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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149 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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150 #ifdef LL_DESC
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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151 GLOBAL void itx_ll_data_req ( T_LL_DATA_REQ *ll_data_req )
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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152 {
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Mychaela Falconia <falcon@freecalypso.org>
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153 T_desc3 *desc3 = NULL;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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154 USHORT len, desc_offset;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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155 UBYTE *buf;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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156
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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157 TRACE_FUNCTION( "uitx_ll_data_req" );
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parents:
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158
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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159 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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160 * Allocate primitive and fill in the structure elements
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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161 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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162 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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163 PALLOC(ll_desc_req, LL_DESC_REQ);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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164
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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165 ll_desc_req->sapi = ll_data_req->sapi;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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166 ll_desc_req->tlli = ll_data_req->tlli;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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167 ll_desc_req->ll_qos = ll_data_req->ll_qos;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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168 ll_desc_req->radio_prio = ll_data_req->radio_prio;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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169 ll_desc_req->reference1 = ll_data_req->reference1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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170 ll_desc_req->seg_pos = ll_data_req->seg_pos;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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171 ll_desc_req->attached_counter = ll_data_req->attached_counter;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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172 #ifdef REL99
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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173 ll_desc_req->pkt_flow_id = ll_data_req->pkt_flow_id;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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174 #endif /* REL99 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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175 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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176 * Allocate memory block for desc2 and set the values of the
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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177 * desc2-elements.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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178 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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179
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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180 len = ll_data_req->sdu.l_buf >> 3;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 desc_offset = ll_data_req->sdu.o_buf >> 3;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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182
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 desc3 = llc_palloc_desc(len, desc_offset);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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184
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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185 buf = (UBYTE*)desc3->buffer;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 memcpy(&buf[desc3->offset],
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 &ll_data_req->sdu.buf[desc_offset],
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 len);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 ll_desc_req->desc_list3.first = (ULONG)desc3;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 ll_desc_req->desc_list3.list_len = desc3->len;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 /*
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 * Primitive is handled in uitx_ll_unitdesc_req
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 itx_ll_desc_req (ll_desc_req);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 PFREE(ll_data_req);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 #endif /* LL_DESC */