FreeCalypso > hg > fc-magnetite

annotate src/g23m-gprs/llc/llc_uitxf.c @ 640:16eb1b9640dc

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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>
date Fri, 31 Jan 2020 00:46:07 +0000
parents 219afcfc6250
children
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183
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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 (UITX-statemachine)
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20 +-----------------------------------------------------------------------------
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21 */
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22
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23 #ifndef LLC_UITXF_C
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24 #define LLC_UITXF_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
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41 /*==== CONST ================================================================*/
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42
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43 /*==== LOCAL VARS ===========================================================*/
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44
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45 /*==== PRIVATE FUNCTIONS ====================================================*/
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46
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47 /*==== PUBLIC FUNCTIONS =====================================================*/
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48
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49
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50
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51 /*
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52 +------------------------------------------------------------------------------
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53 | Function : uitx_init
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54 +------------------------------------------------------------------------------
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55 | Description : This procedure initialises all necessary variables of
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56 | ui_frames_tx for all SAPIs.
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57 |
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58 | Parameters :
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59 |
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60 +------------------------------------------------------------------------------
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61 */
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62 GLOBAL void uitx_init (void)
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63 {
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64 TRACE_FUNCTION( "uitx_init" );
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65
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66 /*
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67 * Initialise every incarnation of UITX with state TLLI_UNASSIGNED_NOT_READY.
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68 */
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69 SWITCH_SERVICE (llc, uitx, 0);
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70 INIT_STATE (UITX_0, UITX_TLLI_UNASSIGNED_NOT_READY);
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71
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72 SWITCH_SERVICE (llc, uitx, 1);
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73 INIT_STATE (UITX_1, UITX_TLLI_UNASSIGNED_NOT_READY);
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74
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75 SWITCH_SERVICE (llc, uitx, 2);
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76 INIT_STATE (UITX_2, UITX_TLLI_UNASSIGNED_NOT_READY);
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77
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78 SWITCH_SERVICE (llc, uitx, 3);
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79 INIT_STATE (UITX_3, UITX_TLLI_UNASSIGNED_NOT_READY);
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80
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81 SWITCH_SERVICE (llc, uitx, 4);
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82 INIT_STATE (UITX_4, UITX_TLLI_UNASSIGNED_NOT_READY);
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83
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84 SWITCH_SERVICE (llc, uitx, 5);
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85 INIT_STATE (UITX_5, UITX_TLLI_UNASSIGNED_NOT_READY);
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86
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87 return;
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88 } /* uitx_init() */
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89
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90
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91
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92 /*
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93 +------------------------------------------------------------------------------
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94 | Function : uitx_init_sapi
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95 +------------------------------------------------------------------------------
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96 | Description : This procedure initialises all necessary variables of
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97 | ui_frames_tx for the given SAPI.
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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 uitx_init_sapi (void)
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104 {
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105 TRACE_FUNCTION( "uitx_init_sapi" );
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106
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107 /*
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108 * <R.LLC.TLLI_ASS.A.007>, <R.LLC.TLLI_ASS.A.008>
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109 */
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110 llc_data->uitx->vu = 0;
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111
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112 return;
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113 } /* uitx_init_sapi() */
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114
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115
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116
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 | Function : uitx_build_ui_header
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 | Description : This procedure inserts the address and control field of an UI
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 | frame in the given sdu. sdu already contains the user data.
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 | The variable cipher indicates the setting of the E bit. The
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 | variable relclass contains the information if the frame shall
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 | be transmitted in protected or unprotected mode, which is
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 | needed in this function to set the PM bit properly.
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 |
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 | Parameters : sdu - a valid pointer to a T_sdu variable, must contain enough
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 | spare octets at the beginning for the LLC header fields
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 | (address + control field = 3 octets for UI frames)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 | cr_bit - C/R bit
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 | sapi - a valid SAPI for unacknowledged operation
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 | nu - N(U)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 | cipher - ciphering indicator (see LL SAP: LL-UNITDATA-REQ)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 | relclass - QoS reliability class (see LL SAP), must not be set
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 | to LL_RELCLASS_SUB
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 |
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 GLOBAL void uitx_build_ui_header
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 (
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 #ifdef LL_DESC
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 T_desc_list3* desc_list3,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 #else
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 T_sdu *sdu,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 #endif
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 T_BIT cr_bit,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 UBYTE sapi,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 T_FRAME_NUM nu,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 UBYTE cipher,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 UBYTE relclass
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 )
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 #ifdef LL_DESC
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 T_desc3 *desc3 = (T_desc3*)(desc_list3->first);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 UBYTE *buf = (UBYTE*)(desc3->buffer);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 #endif
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 TRACE_FUNCTION( "uitx_build_ui_header" );
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
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 #ifdef LL_DESC
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 * set new offset (3 octets earlier) and new length of desc_list3
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 desc3->offset -= UI_CTRL_MIN_OCTETS;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 desc3->len += UI_CTRL_MIN_OCTETS;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 desc_list3->list_len += UI_CTRL_MIN_OCTETS;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 * insert address field (PD is always 0)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 buf[desc3->offset] = ((UBYTE)cr_bit << 6) | sapi;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 * insert 1st octet of control field
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 * (UI code + 3 most significant bits of N(U))
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
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 buf[desc3->offset+1]= 0xC0 | (UBYTE)(nu >> 6);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 * insert 2nd octet of control field
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 * (6 least significant bits of N(U) + E bit + PM bit)
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[desc3->offset+2]= (((UBYTE)nu & 0x3F) << 2);
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 if (cipher == LL_CIPHER_ON)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 buf[desc3->offset+2] |= 0x02;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191
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 * all reliability classes except LL_NO_REL request protected data
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 if (relclass != LL_NO_REL)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 buf[desc3->offset+2] |= 0x01;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 }
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 return;
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 #else
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 * set new offset (3 octets earlier) and new length of sdu
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 sdu->o_buf -= UI_CTRL_MIN_OCTETS * 8;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 sdu->l_buf += UI_CTRL_MIN_OCTETS * 8;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 * insert address field (PD is always 0)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 sdu->buf[sdu->o_buf/8] = ((UBYTE)cr_bit << 6) | sapi;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 * insert 1st octet of control field
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 * (UI code + 3 most significant bits of N(U))
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 sdu->buf[(sdu->o_buf/8)+1] = 0xC0 | (UBYTE)(nu >> 6);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 * insert 2nd octet of control field
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 * (6 least significant bits of N(U) + E bit + PM bit)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 sdu->buf[(sdu->o_buf/8)+2] = (((UBYTE)nu & 0x3F) << 2);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 if (cipher == LL_CIPHER_ON)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 sdu->buf[(sdu->o_buf/8)+2] |= 0x02;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 * all reliability classes except LL_NO_REL request protected data
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 if (relclass != LL_NO_REL)
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236 {
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237 sdu->buf[(sdu->o_buf/8)+2] |= 0x01;
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238 }
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239
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240 return;
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241
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242 #endif /* LL_DESC */
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243
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244 } /* uitx_build_ui_header() */