annotate src/g23m-gprs/llc/llc_t200p.c @ 298:b1935a9ee04e

BUZM SWE hooked into RiViera
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 29 Mar 2022 04:12:50 +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 (T200-statemachine)
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20 +-----------------------------------------------------------------------------
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21 */
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22
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23 #ifndef LLC_T200P_C
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24 #define LLC_T200P_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 #include "llc_t200f.h" /* to get local T200 functions */
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42 #include "llc_us.h" /* to get signal interface to U */
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43 #include "llc_f.h" /* to get llc functions */
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44
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45 /*==== CONST ================================================================*/
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46
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47 /*==== LOCAL VARS ===========================================================*/
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48
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49 /*==== PRIVATE FUNCTIONS ====================================================*/
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50
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51 /*==== PUBLIC FUNCTIONS =====================================================*/
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52
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53
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54
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55 /*
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56 +------------------------------------------------------------------------------
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57 | Function : t200_timer_t200
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58 +------------------------------------------------------------------------------
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59 | Description : Handles expiry of timer T200. This function is called from
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60 | pei_primitive().
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61 |
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62 | Parameters : sapi - indicates the SAPI for which the timer has expired
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63 |
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64 +------------------------------------------------------------------------------
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65 */
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66 GLOBAL void t200_timer_t200 (UBYTE sapi)
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67 {
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68 #ifndef LL_DESC
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69 T_LL_UNITDATA_REQ *frame;
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70 #else
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71 T_LL_UNITDESC_REQ *frame;
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72 #endif
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73 UBYTE cause;
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74 T_SERVICE originator;
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75
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76 TRACE_FUNCTION( "t200_timer_t200" );
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77
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78 /*
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79 * Switch all service incarnations of LLC according to sapi.
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80 */
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81 SWITCH_LLC (sapi);
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82
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83 switch (GET_STATE(T200))
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84 {
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85 case T200_RUNNING:
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86 SET_STATE (T200, T200_RESET);
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87
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88 /*
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89 * No frame with P bit set to 1 is currently outstanding
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90 */
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91 llc_data->sapi->pbit_outstanding = FALSE;
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92
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93 /*
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94 * Get associated timer data (frame, cause, originating service)
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95 * and send T200 expired signal, if originator is set. Otherwise
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96 * just PFREE the frame.
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97 */
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98 t200_get_timer_data (&frame, &cause, &originator);
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99 if (originator EQ SERVICE_U)
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100 {
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101 TRACE_0_INFO("T200 expired");
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102 sig_t200_u_expired_ind (frame, cause, EXPIRY_TIMED);
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103 }
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104 else
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105 {
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106 TRACE_0_INFO("T200 expired, no service associated, frame discarded");
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107 #ifdef LL_DESC
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108 /*
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109 * The descriptor contents of the primitive structure
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110 * must be freed as well.
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111 */
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112 llc_cl_desc3_free((T_desc3*)llc_data->t200->frame->desc_list3.first);
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113 #endif /* LL_DESC */
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114 PFREE (frame);
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115 }
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116 break;
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117
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118 default:
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119 t200_get_timer_data (&frame, &cause, &originator);
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120 if (frame != NULL)
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121 {
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122 #ifdef LL_DESC
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123 /*
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124 * The descriptor contents of the primitive structure
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125 * must be freed as well.
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126 */
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127 llc_cl_desc3_free((T_desc3*)llc_data->t200->frame->desc_list3.first);
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128 #endif /* LL_DESC */
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129 PFREE (frame);
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130 }
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131 TRACE_ERROR( "T200 unexpected" );
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132 break;
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133 }
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134
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135 } /* t200_timer_t200() */
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136