FreeCalypso > hg > fc-magnetite

annotate src/g23m-gprs/llc/llc_itxp.c @ 527:343104963a7f

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doc/Developer-notes written
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 09 Oct 2018 08:09:53 +0000
parents 4cb2e85d9d6a
children
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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);
183
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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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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 #ifdef LL_DESC
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 llc_cl_desc3_free((T_desc3*)ll_desc_req->desc_list3.first);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 #endif /* LL_DESC */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
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parents:
diff changeset
119 PFREE (ll_desc_req);
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parents:
diff changeset
120 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 else
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 itx_send_next_frame (ABIT_NO_REQ);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 itx_handle_ll_ready_ind (FALSE);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 /* SET_STATE (ITX, SAME_STATE); */
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parents:
diff changeset
127 break;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 default:
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 #ifdef LL_DESC
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parents:
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131 llc_cl_desc3_free((T_desc3*)ll_desc_req->desc_list3.first);
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parents:
diff changeset
132 #endif /* LL_DESC */
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parents:
diff changeset
133 PFREE (ll_desc_req);
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parents:
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134 TRACE_ERROR( "ll_desc_req unexpected" );
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parents:
diff changeset
135 break;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
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parents:
diff changeset
136 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
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parents:
diff changeset
137
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 } /* itx_ll_desc_req() */
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139
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 /*
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parents:
diff changeset
141 +------------------------------------------------------------------------------
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142 | Function : itx_ll_data_req
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parents:
diff changeset
143 +------------------------------------------------------------------------------
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parents:
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144 | Description : Handles the primitive LL_DATA_REQ
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parents:
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145 |
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parents:
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146 | Parameters : *ll_data_req - Ptr to primitive payload
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147 |
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parents:
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148 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 */
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parents:
diff changeset
150 #ifdef LL_DESC
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parents:
diff changeset
151 GLOBAL void itx_ll_data_req ( T_LL_DATA_REQ *ll_data_req )
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parents:
diff changeset
152 {
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parents:
diff changeset
153 T_desc3 *desc3 = NULL;
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parents:
diff changeset
154 USHORT len, desc_offset;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 UBYTE *buf;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
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parents:
diff changeset
157 TRACE_FUNCTION( "uitx_ll_data_req" );
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parents:
diff changeset
158
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 /*
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parents:
diff changeset
160 * Allocate primitive and fill in the structure elements
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parents:
diff changeset
161 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
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parents:
diff changeset
163 PALLOC(ll_desc_req, LL_DESC_REQ);
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parents:
diff changeset
164
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
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parents:
diff changeset
165 ll_desc_req->sapi = ll_data_req->sapi;
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parents:
diff changeset
166 ll_desc_req->tlli = ll_data_req->tlli;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 ll_desc_req->ll_qos = ll_data_req->ll_qos;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 ll_desc_req->radio_prio = ll_data_req->radio_prio;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 ll_desc_req->reference1 = ll_data_req->reference1;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 ll_desc_req->seg_pos = ll_data_req->seg_pos;
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parents:
diff changeset
171 ll_desc_req->attached_counter = ll_data_req->attached_counter;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 #ifdef REL99
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parents:
diff changeset
173 ll_desc_req->pkt_flow_id = ll_data_req->pkt_flow_id;
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parents:
diff changeset
174 #endif /* REL99 */
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parents:
diff changeset
175 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 * Allocate memory block for desc2 and set the values of the
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 * desc2-elements.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 len = ll_data_req->sdu.l_buf >> 3;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 desc_offset = ll_data_req->sdu.o_buf >> 3;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 desc3 = llc_palloc_desc(len, desc_offset);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 buf = (UBYTE*)desc3->buffer;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 memcpy(&buf[desc3->offset],
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 &ll_data_req->sdu.buf[desc_offset],
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 len);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 ll_desc_req->desc_list3.first = (ULONG)desc3;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 ll_desc_req->desc_list3.list_len = desc3->len;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 * Primitive is handled in uitx_ll_unitdesc_req
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 itx_ll_desc_req (ll_desc_req);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 PFREE(ll_data_req);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 #endif /* LL_DESC */