FreeCalypso > hg > fc-selenite
annotate src/g23m-gprs/upm/upm_sndcp_control.c @ 172:a0f935d68377
targets: gtm900 added
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 19 Jun 2019 04:38:43 +0000 |
parents | d393cd9bb723 |
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rev | line source |
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1
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1 /*---------------------------------------------------------------------------- |
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2 | Project : 3G PS |
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3 | Module : UPM |
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4 +----------------------------------------------------------------------------- |
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5 | Copyright 2003 Texas Instruments. |
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6 | All rights reserved. |
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7 | |
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8 | This file is confidential and a trade secret of Texas |
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9 | Instruments . |
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10 | The receipt of or possession of this file does not convey |
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11 | any rights to reproduce or disclose its contents or to |
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12 | manufacture, use, or sell anything it may describe, in |
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13 | whole, or in part, without the specific written consent of |
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14 | Texas Instruments. |
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15 +----------------------------------------------------------------------------- |
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16 | Purpose: SNDCP Control state machine implementation in the UPM entity. |
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17 | For design details, see: |
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18 | 8010.939 UPM Detailed Specification |
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19 +---------------------------------------------------------------------------*/ |
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20 |
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21 /*==== DECLARATION CONTROL =================================================*/ |
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22 |
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23 /*==== INCLUDES =============================================================*/ |
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24 |
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25 #include "upm.h" |
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26 |
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27 #include "upm_sndcp_control.h" |
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28 #include "upm_sndcp_output_handler.h" |
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29 #include "upm_aci_output_handler.h" |
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30 #include "upm_sm_output_handler.h" |
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31 #include "upm_mm_output_handler.h" |
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32 |
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33 /*==== CONSTS ===============================================================*/ |
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34 |
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35 /*==== TYPES ================================================================*/ |
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36 |
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37 typedef void (*T_UPM_SNDCP_CONTROL_TRANSITION_FUNC)(struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void *data); |
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38 |
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39 typedef struct { |
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40 #ifdef DEBUG |
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41 T_UPM_SNDCP_CONTROL_EVENT event; |
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42 #endif /* DEBUG */ |
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43 T_UPM_SNDCP_CONTROL_TRANSITION_FUNC func; |
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44 } T_UPM_SNDCP_CONTROL_TRANSITION; |
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45 |
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46 /*==== LOCALS ===============================================================*/ |
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47 |
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48 static void state_event_error (struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void *data); |
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49 static void ignored (struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void *data); |
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50 static void handle_passive_activate(struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void *data); |
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51 static void handle_active_activate(struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void *data); |
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52 static void handle_passive_activate_cnf(struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void *data); |
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53 static void handle_active_activate_cnf(struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void *data); |
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54 static void handle_deactivate (struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void *data); |
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55 static void handle_sn_deactivate_cnf(struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void *data); |
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56 static void handle_modify_llc_link(struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void *data); |
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57 static void handle_sn_modify_cnf(struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void *data); |
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58 static void handle_mmpm_sequence_ind(struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void *data); |
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59 static void handle_status_ind (struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void *data); |
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60 |
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61 /*********************************************************************** |
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62 * State/Transition Table |
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63 */ |
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64 static const T_UPM_SNDCP_CONTROL_TRANSITION |
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65 transition[UPM_SNDCP_CONTROL_NUMBER_OF_STATES] |
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66 [UPM_LINK_CONTROL_NUMBER_OF_EVENTS] = |
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67 { |
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68 { /* S0: UPM SNDCP INACTIVE */ |
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69 M_TRANSITION(UPM_P_SN_ACTIVATE_CNF, state_event_error), |
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70 M_TRANSITION(UPM_P_SN_DEACTIVATE_CNF, state_event_error), |
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71 M_TRANSITION(UPM_P_SN_MODIFY_CNF, state_event_error), |
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72 M_TRANSITION(UPM_P_SN_STATUS_IND, state_event_error), |
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73 M_TRANSITION(UPM_P_MMPM_SEQUENCE_IND, state_event_error), |
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74 M_TRANSITION(UPM_I_SNDCP_AWAIT_ESTABLISH, handle_passive_activate), |
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75 M_TRANSITION(UPM_I_SNDCP_ESTABLISH_LLC_LINK, handle_active_activate), |
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76 M_TRANSITION(UPM_I_SNDCP_MODIFY_LLC_LINK, state_event_error), |
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77 M_TRANSITION(UPM_I_SNDCP_RELEASE_LLC_LINK, state_event_error) |
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78 }, |
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79 { /* S1: UPM SNDCP AWAIT ACTIVATE */ |
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80 M_TRANSITION(UPM_P_SN_ACTIVATE_CNF, handle_passive_activate_cnf), |
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81 M_TRANSITION(UPM_P_SN_DEACTIVATE_CNF, state_event_error), |
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82 M_TRANSITION(UPM_P_SN_MODIFY_CNF, state_event_error), |
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83 M_TRANSITION(UPM_P_SN_STATUS_IND, handle_status_ind), |
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84 M_TRANSITION(UPM_P_MMPM_SEQUENCE_IND, state_event_error), |
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85 M_TRANSITION(UPM_I_SNDCP_AWAIT_ESTABLISH, state_event_error), |
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86 M_TRANSITION(UPM_I_SNDCP_ESTABLISH_LLC_LINK, state_event_error), |
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87 M_TRANSITION(UPM_I_SNDCP_MODIFY_LLC_LINK, state_event_error), |
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88 M_TRANSITION(UPM_I_SNDCP_RELEASE_LLC_LINK, handle_deactivate) |
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89 }, |
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90 { /* S2: UPM SNDCP ACTIVATING */ |
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91 M_TRANSITION(UPM_P_SN_ACTIVATE_CNF, handle_active_activate_cnf), |
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92 M_TRANSITION(UPM_P_SN_DEACTIVATE_CNF, state_event_error), |
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93 M_TRANSITION(UPM_P_SN_MODIFY_CNF, state_event_error), |
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94 M_TRANSITION(UPM_P_SN_STATUS_IND, handle_status_ind), |
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95 M_TRANSITION(UPM_P_MMPM_SEQUENCE_IND, state_event_error), |
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96 M_TRANSITION(UPM_I_SNDCP_AWAIT_ESTABLISH, state_event_error), |
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97 M_TRANSITION(UPM_I_SNDCP_ESTABLISH_LLC_LINK, state_event_error), |
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98 M_TRANSITION(UPM_I_SNDCP_MODIFY_LLC_LINK, state_event_error), |
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99 M_TRANSITION(UPM_I_SNDCP_RELEASE_LLC_LINK, handle_deactivate) |
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100 }, |
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101 { /* S3: UPM SNDCP ACTIVE */ |
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102 M_TRANSITION(UPM_P_SN_ACTIVATE_CNF, state_event_error), |
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103 M_TRANSITION(UPM_P_SN_DEACTIVATE_CNF, state_event_error), |
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104 M_TRANSITION(UPM_P_SN_MODIFY_CNF, state_event_error), |
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105 M_TRANSITION(UPM_P_SN_STATUS_IND, handle_status_ind), |
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106 M_TRANSITION(UPM_P_MMPM_SEQUENCE_IND, handle_mmpm_sequence_ind), |
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107 M_TRANSITION(UPM_I_SNDCP_AWAIT_ESTABLISH, state_event_error), |
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108 M_TRANSITION(UPM_I_SNDCP_ESTABLISH_LLC_LINK, state_event_error), |
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109 M_TRANSITION(UPM_I_SNDCP_MODIFY_LLC_LINK, handle_modify_llc_link), |
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110 M_TRANSITION(UPM_I_SNDCP_RELEASE_LLC_LINK, handle_deactivate) |
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111 }, |
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112 { /* S4: UPM SNDCP MODIFYING */ |
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113 M_TRANSITION(UPM_P_SN_ACTIVATE_CNF, state_event_error), |
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114 M_TRANSITION(UPM_P_SN_DEACTIVATE_CNF, state_event_error), |
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115 M_TRANSITION(UPM_P_SN_MODIFY_CNF, handle_sn_modify_cnf), |
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116 M_TRANSITION(UPM_P_SN_STATUS_IND, handle_status_ind), |
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117 M_TRANSITION(UPM_P_MMPM_SEQUENCE_IND, handle_mmpm_sequence_ind), |
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118 M_TRANSITION(UPM_I_SNDCP_AWAIT_ESTABLISH, state_event_error), |
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119 M_TRANSITION(UPM_I_SNDCP_ESTABLISH_LLC_LINK, state_event_error), |
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120 M_TRANSITION(UPM_I_SNDCP_MODIFY_LLC_LINK, state_event_error), |
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121 M_TRANSITION(UPM_I_SNDCP_RELEASE_LLC_LINK, handle_deactivate) |
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122 }, |
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123 { /* S5: UPM SNDCP DEACTIVATING */ |
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124 M_TRANSITION(UPM_P_SN_ACTIVATE_CNF, state_event_error), |
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125 M_TRANSITION(UPM_P_SN_DEACTIVATE_CNF, handle_sn_deactivate_cnf), |
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126 M_TRANSITION(UPM_P_SN_MODIFY_CNF, ignored), |
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127 M_TRANSITION(UPM_P_SN_STATUS_IND, handle_status_ind), |
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128 M_TRANSITION(UPM_P_MMPM_SEQUENCE_IND, state_event_error), |
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129 M_TRANSITION(UPM_I_SNDCP_AWAIT_ESTABLISH, state_event_error), |
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130 M_TRANSITION(UPM_I_SNDCP_ESTABLISH_LLC_LINK, state_event_error), |
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131 M_TRANSITION(UPM_I_SNDCP_MODIFY_LLC_LINK, state_event_error), |
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132 M_TRANSITION(UPM_I_SNDCP_RELEASE_LLC_LINK, ignored) |
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133 } |
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134 }; |
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135 |
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136 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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137 |
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138 /* |
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139 +------------------------------------------------------------------------------ |
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140 | Function : state_event_error |
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141 +------------------------------------------------------------------------------ |
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142 | Description : General function used to report state event errors. |
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143 | |
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144 | Parameters : ptr_context_data - Not used |
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145 | data - Not used |
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146 +------------------------------------------------------------------------------ |
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147 */ |
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148 static void state_event_error(/*@unused@*/ struct T_CONTEXT_DATA *ptr_context_data, /*@unused@*/ /*@null@*/ void* data) |
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149 { |
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150 (void)TRACE_ERROR("UPM SNDCP Control: STATE EVENT ERROR!"); |
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151 } |
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152 |
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153 /* |
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154 +------------------------------------------------------------------------------ |
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155 | Function : ignored |
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156 +------------------------------------------------------------------------------ |
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157 | Description : General function used for transitions that shall be ignored |
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158 | |
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159 | Parameters : ptr_context_data - Not used |
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160 | data - Not used |
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161 +------------------------------------------------------------------------------ |
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162 */ |
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163 static void ignored (/*@unused@*/ struct T_CONTEXT_DATA *ptr_context_data, /*@unused@*/ /*@null@*/ void* data) |
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164 { |
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165 (void)TRACE_FUNCTION("UPM SNDCP Control: Event ignored."); |
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166 } |
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167 |
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168 /* |
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169 +------------------------------------------------------------------------------ |
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170 | Function : handle_passive_activate |
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171 +------------------------------------------------------------------------------ |
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172 | Description : Handle UPM_I_SNDCP_AWAIT_ESTABLISH in S0 |
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173 | |
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174 | Parameters : ptr_context_data - Context data |
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175 | data - Pointer to compression parameters |
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176 +------------------------------------------------------------------------------ |
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177 */ |
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178 static void handle_passive_activate(struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void* data) |
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179 { |
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180 (void)TRACE_FUNCTION("handle_passive_activate"); |
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181 |
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182 /* Send SN_ACTIVATE_REQ with establish flag == FALSE */ |
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183 send_sn_activate_req(ptr_context_data, (T_NAS_comp_params *)data, FALSE); |
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184 |
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185 /* Go to state UPM SNDCP AWAIT ACTIVATE */ |
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186 ptr_context_data->sndcp_control_state = UPM_SNDCP_AWAIT_ACTIVATE; |
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187 |
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188 #ifndef UPM_WITHOUT_USER_PLANE |
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189 /* Suspend Uplink Data */ |
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190 upm_uplink_data_control(ptr_context_data, UPM_I_UPLINK_DATA_SUSPEND, |
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191 (void *)UPM_LINK); |
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192 #endif /* UPM_WITHOUT_USER_PLANE */ |
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193 } |
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194 |
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195 /* |
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196 +------------------------------------------------------------------------------ |
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197 | Function : handle_active_activate |
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198 +------------------------------------------------------------------------------ |
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199 | Description : Handle UPM_I_SNDCP_ESTABLISH_LLC_LINK in S0 |
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200 | |
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201 | Parameters : ptr_context_data - Context data |
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202 | data - Pointer to compression parameters |
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203 +------------------------------------------------------------------------------ |
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204 */ |
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205 static void handle_active_activate(struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void* data) |
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206 { |
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207 (void)TRACE_FUNCTION("handle_active_activate"); |
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208 |
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209 /* Send SN_ACTIVATE_REQ with establish flag == TRUE */ |
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210 send_sn_activate_req(ptr_context_data, (T_NAS_comp_params *)data, TRUE); |
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211 |
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212 /* Go to state UPM SNDCP ACTIVATING */ |
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213 ptr_context_data->sndcp_control_state = UPM_SNDCP_ACTIVATING; |
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214 } |
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215 |
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216 /* |
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217 +------------------------------------------------------------------------------ |
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218 | Function : handle_passive_activate_cnf |
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219 +------------------------------------------------------------------------------ |
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220 | Description : Handle UPM_P_SN_ACTIVATE_CNF in S1 |
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221 | |
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222 | Parameters : ptr_context_data - Context data |
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223 | data - Not used |
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224 +------------------------------------------------------------------------------ |
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225 */ |
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226 static void handle_passive_activate_cnf(struct T_CONTEXT_DATA *ptr_context_data, /*@unused@*/ /*@null@*/ void* data) |
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227 { |
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228 (void)TRACE_FUNCTION("handle_passive_activate_cnf"); |
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229 |
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230 /* Go to state UPM SNDCP ACTIVE */ |
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231 ptr_context_data->sndcp_control_state = UPM_SNDCP_ACTIVE; |
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232 |
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233 #ifndef UPM_WITHOUT_USER_PLANE |
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234 /* Resume Uplink Data */ |
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235 upm_uplink_data_control(ptr_context_data, UPM_I_UPLINK_DATA_RESUME, |
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236 (void *)UPM_LINK); |
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237 #endif /* UPM_WITHOUT_USER_PLANE */ |
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238 |
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239 /* Report link establishment to Link Control */ |
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240 upm_link_control(ptr_context_data, UPM_I_SNDCP_LLC_LINK_ESTABLISHED, NULL); |
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241 } |
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242 |
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243 /* |
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244 +------------------------------------------------------------------------------ |
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245 | Function : handle_active_activate_cnf |
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246 +------------------------------------------------------------------------------ |
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247 | Description : Handle UPM_P_SN_ACTIVATE_CNF in S2 |
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248 | |
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249 | Parameters : ptr_context_data - Context data |
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250 | data - Not used |
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251 +------------------------------------------------------------------------------ |
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252 */ |
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253 static void handle_active_activate_cnf(struct T_CONTEXT_DATA *ptr_context_data, /*@unused@*/ /*@null@*/ void* data) |
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254 { |
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255 (void)TRACE_FUNCTION("handle_active_activate_cnf"); |
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256 |
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257 /* Go to state UPM SNDCP ACTIVE */ |
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258 ptr_context_data->sndcp_control_state = UPM_SNDCP_ACTIVE; |
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259 |
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260 /* Report link establishment to Link Control */ |
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261 upm_link_control(ptr_context_data, UPM_I_SNDCP_LLC_LINK_ESTABLISHED, |
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262 ((T_SN_ACTIVATE_CNF*)data)); /*To pass comp params*/ |
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263 } |
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264 |
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265 /* |
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266 +------------------------------------------------------------------------------ |
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267 | Function : handle_deactivate |
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268 +------------------------------------------------------------------------------ |
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269 | Description : Handle UPM_I_SNDCP_RELEASE_LLC_LINK in S1, S2, S3, or S4. |
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270 | |
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271 | Parameters : ptr_context_data - Context data |
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272 | data - Local flag (rel_ind) |
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273 +------------------------------------------------------------------------------ |
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274 */ |
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275 static void handle_deactivate(struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void *data) |
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276 { |
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277 U32 rel_ind = (U32)data; |
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278 (void)TRACE_FUNCTION("handle_deactivate"); |
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279 |
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280 /* SN_DEACTIVATE_REQ no longer sent in dispatcher function, so send here. */ |
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281 send_sn_deactivate_req( ptr_context_data->nsapi, (U8)rel_ind); |
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282 |
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283 /* Go to state UPM SNDCP DEACTIVATING */ |
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284 ptr_context_data->sndcp_control_state = UPM_SNDCP_DEACTIVATING; |
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285 } |
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286 |
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287 /* |
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288 +------------------------------------------------------------------------------ |
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289 | Function : handle_sn_deactivate_cnf |
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290 +------------------------------------------------------------------------------ |
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291 | Description : Handle UPM_P_SN_DEACTIVATE_CNF in S5 |
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292 | |
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293 | Parameters : ptr_context_data - Context data |
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294 | data - Not used |
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295 +------------------------------------------------------------------------------ |
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296 */ |
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297 static void handle_sn_deactivate_cnf(struct T_CONTEXT_DATA *ptr_context_data, /*@unused@*/ /*@null@*/ void* data) |
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298 { |
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299 (void)TRACE_FUNCTION("handle_sn_deactivate_cnf"); |
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300 |
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301 /* Go to state UPM SNDCP INACTIVE */ |
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302 ptr_context_data->sndcp_control_state = UPM_SNDCP_INACTIVE; |
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303 |
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304 /* Report LLC link release to Link Control */ |
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305 upm_link_control(ptr_context_data, UPM_I_SNDCP_LLC_LINK_RELEASED, NULL); |
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306 } |
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307 |
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308 /* |
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309 +------------------------------------------------------------------------------ |
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310 | Function : handle_modify_llc_link |
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311 +------------------------------------------------------------------------------ |
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312 | Description : Handle UPM_I_SNDCP_MODIFY_LLC_LINK |
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313 | |
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314 | Parameters : ptr_context_data - Context data |
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315 | data - Not used |
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316 +------------------------------------------------------------------------------ |
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317 */ |
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318 static void handle_modify_llc_link(struct T_CONTEXT_DATA *ptr_context_data, /*@unused@*/ /*@null@*/ void* data) |
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319 { |
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320 (void)TRACE_FUNCTION("handle_modify_llc_link"); |
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321 |
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322 /* At this point, relevant flags in Context Data have been set by Link Control */ |
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323 |
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324 /* Send SN_MODIFY_REQ */ |
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325 send_sn_modify_req(ptr_context_data); |
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326 |
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327 /* Go to state UPM SNDCP MODIFYING */ |
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328 ptr_context_data->sndcp_control_state = UPM_SNDCP_MODIFYING; |
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329 } |
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330 |
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331 /* |
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332 +------------------------------------------------------------------------------ |
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333 | Function : handle_sn_modify_cnf |
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334 +------------------------------------------------------------------------------ |
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335 | Description : Handle UPM_P_SN_MODIFY_CNF in S4 |
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336 | |
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337 | Parameters : ptr_context_data - Context data |
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338 | data - Not used |
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339 +------------------------------------------------------------------------------ |
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340 */ |
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341 static void handle_sn_modify_cnf(struct T_CONTEXT_DATA *ptr_context_data, /*@unused@*/ /*@null@*/ void* data) |
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342 { |
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343 (void)TRACE_FUNCTION("handle_sn_modify_cnf"); |
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344 |
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345 /* Go to state UPM SNDCP ACTIVE */ |
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346 ptr_context_data->sndcp_control_state = UPM_SNDCP_ACTIVE; |
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347 |
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348 /* Report LLC link modification completion to Link Control */ |
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349 upm_link_control(ptr_context_data, UPM_I_SNDCP_LLC_LINK_MODIFIED, NULL); |
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350 } |
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351 |
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352 |
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353 /* |
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354 +------------------------------------------------------------------------------ |
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355 | Function : handle_mmpm_sequence_ind |
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356 +------------------------------------------------------------------------------ |
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357 | Description : Handle UPM_P_MMPM_SEQUENCE_IND |
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358 | |
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359 | Parameters : ptr_context_data - Context data |
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360 | data - sequence number |
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361 +------------------------------------------------------------------------------ |
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362 */ |
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363 static void handle_mmpm_sequence_ind(struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void* data) |
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364 { |
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365 U32 seq_no = (U32)data; |
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366 (void)TRACE_FUNCTION("handle_mmpm_sequence_ind"); |
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367 |
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368 /* Set sequence number for this NSAPI */ |
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369 upm_set_sequence_number(ptr_context_data, (U8)seq_no); |
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370 |
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371 #ifndef UPM_WITHOUT_USER_PLANE |
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372 /* Uplink Data Control should discard data older than the sequence number |
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373 * given in data for this NSAPI. */ |
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374 upm_uplink_data_control(ptr_context_data, UPM_I_UPLINK_DATA_DISCARD, |
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375 data); |
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376 #endif /* UPM_WITHOUT_USER_PLANE */ |
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377 } |
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378 |
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379 /* |
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380 +------------------------------------------------------------------------------ |
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381 | Function : handle_status_ind |
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382 +------------------------------------------------------------------------------ |
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383 | Description : Handle UPM_P_SN_STATUS_IND |
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384 | |
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385 | Parameters : ptr_context_data - Context data |
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386 | data - SN_STATUS_IND primitive |
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387 +------------------------------------------------------------------------------ |
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388 */ |
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389 static void handle_status_ind(struct T_CONTEXT_DATA *ptr_context_data, /*@null@*/ void* data) |
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390 { |
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391 (void)TRACE_FUNCTION("handle_status_ind"); |
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392 |
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393 TRACE_ASSERT( data != NULL ); |
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394 |
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395 /* If cause is any other than NO_PEER_RESPONSE, SNDCP Control should |
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396 * deactivate SNDCP. */ |
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397 /*lint -e613 (Possible use of null pointer 'unknown-name' in left argument to operator '->') */ |
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398 if ( (((T_SN_STATUS_IND *)data)->ps_cause.ctrl_value != CAUSE_is_from_llc || |
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399 ((T_SN_STATUS_IND *)data)->ps_cause.value.llc_cause |
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400 !=(U16)CAUSE_LLC_NO_PEER_RES ) && |
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401 (((T_SN_STATUS_IND *)data)->ps_cause.ctrl_value != CAUSE_is_from_sndcp || |
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402 ((T_SN_STATUS_IND *)data)->ps_cause.value.sn_cause |
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403 != (U16)CAUSE_SN_NO_PEER_RESPONSE ) ) |
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404 { |
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405 /* Go to state UPM SNDCP INACTIVE */ |
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406 ptr_context_data->sndcp_control_state = UPM_SNDCP_INACTIVE; |
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407 |
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408 /*lint +e613 (Possible use of null pointer 'unknown-name' in left argument to operator '->') */ |
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409 /* Report link release to Link Control */ |
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410 upm_link_control(ptr_context_data, UPM_I_SNDCP_LLC_LINK_RELEASED, data); |
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411 } |
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412 } |
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413 |
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414 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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415 |
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416 /* |
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417 +------------------------------------------------------------------------------ |
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418 | Function : upm_sndcp_dispatch_mmpm_sequence_ind |
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419 +------------------------------------------------------------------------------ |
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420 | Description : Helper function for Dispatcher. Dispatches MMPM_SEQUENCE_IND |
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421 | |
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422 | Parameters : ptr_prim_data - Pointer to primitive |
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423 +------------------------------------------------------------------------------ |
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424 */ |
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425 void upm_sndcp_dispatch_mmpm_sequence_ind(T_MMPM_SEQUENCE_IND *ptr_prim_data) |
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426 { |
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427 int entries; |
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428 T_MMPM_npdu_list *entry; |
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429 |
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430 (void)TRACE_FUNCTION("upm_sndcp_dispatch_mmpm_sequence_ind"); |
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431 |
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432 entries = (int)ptr_prim_data->c_npdu_list; |
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433 entry = ptr_prim_data->npdu_list; |
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434 |
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435 /* Loop over NSAPIs in primitive, and store sequence numbers. */ |
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436 while (entries > 0) { |
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437 struct T_CONTEXT_DATA *context; |
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438 |
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439 context = upm_get_context_data_from_nsapi(entry->nsapi); |
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440 if (context != NULL) { |
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441 upm_sndcp_control(context, UPM_P_MMPM_SEQUENCE_IND, |
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442 (void *)entry->receive_n_pdu_number_val); |
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443 } else { |
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444 (void)TRACE_ERROR("Received sequence numbers for non-existent context!"); |
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445 } |
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446 |
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447 entries--; |
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|
448 } |
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|
449 |
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|
450 send_sn_sequence_req(ptr_prim_data); |
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451 } |
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452 |
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|
453 /* |
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|
454 +------------------------------------------------------------------------------ |
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|
455 | Function : upm_sndcp_dispatch_sn_status_ind |
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|
456 +------------------------------------------------------------------------------ |
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|
457 | Description : Helper function for Dispatcher. Dispatches SN_STATUS_IND |
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458 | |
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459 | Parameters : ptr_prim_data - Pointer to primitive |
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460 +------------------------------------------------------------------------------ |
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parents:
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461 */ |
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parents:
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|
462 void upm_sndcp_dispatch_sn_status_ind(T_SN_STATUS_IND *prim) |
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463 { |
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|
464 int nsapi; |
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465 struct T_CONTEXT_DATA *context; |
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466 |
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467 (void)TRACE_FUNCTION("upm_sndcp_dispatch_sn_status_ind"); |
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parents:
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468 |
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|
469 /* If cause is any other than NO_PEER_RESPONSE, SNDCP Control should |
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parents:
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470 * deactivate SNDCP and inform Session Management. */ |
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|
471 if ( (prim->ps_cause.ctrl_value != CAUSE_is_from_llc || |
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|
472 prim->ps_cause.value.llc_cause != (U16)CAUSE_LLC_NO_PEER_RES ) && |
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473 (prim->ps_cause.ctrl_value != CAUSE_is_from_sndcp || |
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474 prim->ps_cause.value.sn_cause != (U16)CAUSE_SN_NO_PEER_RESPONSE ) |
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parents:
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475 ) { |
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476 /* Alert state machine */ |
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477 for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) { |
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478 if ( (prim->nsapi_set & upm_nsapi2nsapi_set(nsapi)) != 0 ) { |
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479 context = upm_get_context_data_from_nsapi(nsapi); |
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480 if (context != NULL) { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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481 upm_sndcp_control(context, UPM_P_SN_STATUS_IND, prim); |
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482 |
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483 /* Release context data if applicable (link and DTI both down) */ |
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parents:
diff
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|
484 upm_check_for_released_context_and_release(context); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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485 } |
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486 } |
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487 } |
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parents:
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changeset
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488 |
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diff
changeset
|
489 /* Inform Session Management -- Once for all NSAPIs affected */ |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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490 send_sm_status_req(prim->nsapi_set, (T_PS_sapi)prim->sapi, |
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diff
changeset
|
491 prim->ps_cause.ctrl_value, prim->ps_cause.value.sn_cause); |
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492 } |
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|
493 /* No action if cause is NO_PEER_RESPONSE */ |
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parents:
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|
494 } |
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495 |
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parents:
diff
changeset
|
496 /* |
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parents:
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|
497 +------------------------------------------------------------------------------ |
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498 | Function : upm_sndcp_dispatch_sn_sequence_cnf |
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parents:
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499 +------------------------------------------------------------------------------ |
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500 | Description : Helper function for Dispatcher. Dispatches SN_SEQUENCE_CNF |
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parents:
diff
changeset
|
501 | |
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parents:
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|
502 | Parameters : ptr_prim_data - Pointer to primitive |
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parents:
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|
503 +------------------------------------------------------------------------------ |
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|
504 */ |
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505 void upm_sndcp_dispatch_sn_sequence_cnf(T_SN_SEQUENCE_CNF *prim) |
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parents:
diff
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|
506 { |
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parents:
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changeset
|
507 (void)TRACE_FUNCTION("upm_sndcp_dispatch_sn_sequence_cnf"); |
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parents:
diff
changeset
|
508 |
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parents:
diff
changeset
|
509 /* No action needed but forwarding sequence numbers to MM */ |
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parents:
diff
changeset
|
510 send_mmpm_sequence_res(prim); |
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parents:
diff
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|
511 } |
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parents:
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|
512 |
d393cd9bb723
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parents:
diff
changeset
|
513 /* |
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|
514 +------------------------------------------------------------------------------ |
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diff
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|
515 | Function : upm_sndcp_dispatch_sn_count_cnf |
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parents:
diff
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|
516 +------------------------------------------------------------------------------ |
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diff
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517 | Description : Helper function for Dispatcher. Dispatches SN_COUNT_CNF |
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parents:
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|
518 | |
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|
519 | Parameters : prim - Pointer to primitive |
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|
520 +------------------------------------------------------------------------------ |
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parents:
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|
521 */ |
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parents:
diff
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|
522 void upm_sndcp_dispatch_sn_count_cnf(T_SN_COUNT_CNF *prim) |
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parents:
diff
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|
523 { |
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parents:
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|
524 (void)TRACE_FUNCTION("upm_sndcp_dispatch_sn_count_cnf"); |
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diff
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|
525 |
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parents:
diff
changeset
|
526 /* No action needed but forwarding as UPM_COUNT_CNF */ |
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parents:
diff
changeset
|
527 send_upm_count_cnf(prim->nsapi, prim->octets_uplink, prim->octets_downlink, |
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parents:
diff
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|
528 prim->packets_uplink, prim->packets_downlink); |
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parents:
diff
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|
529 } |
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parents:
diff
changeset
|
530 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
531 /* |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
532 +------------------------------------------------------------------------------ |
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parents:
diff
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|
533 | Function : upm_sndcp_dispatch_upm_count_req |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
534 +------------------------------------------------------------------------------ |
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parents:
diff
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|
535 | Description : Helper function for Dispatcher. Dispatches UPM_COUNT_REQ |
d393cd9bb723
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parents:
diff
changeset
|
536 | |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
537 | Parameters : prim - Pointer to primitive |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
538 +------------------------------------------------------------------------------ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
539 */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
540 void upm_sndcp_dispatch_upm_count_req(T_UPM_COUNT_REQ *prim) |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
541 { |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
542 (void)TRACE_FUNCTION("upm_sndcp_dispatch_upm_count_req"); |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
543 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
544 /* No action needed but forwarding as SN_COUNT_REQ */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
545 send_sn_count_req(prim->nsapi, prim->reset); |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
546 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
547 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
548 /* |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
549 +------------------------------------------------------------------------------ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
550 | Function : upm_sndcp_control_init |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
551 +------------------------------------------------------------------------------ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
552 | Description : SNDCP Control state machine initialization function |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
553 | |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
554 | Parameters : ptr_context_data - Pointer to context data |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
555 +------------------------------------------------------------------------------ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
556 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
557 void upm_sndcp_control_init(struct T_CONTEXT_DATA *ptr_context_data) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
558 { |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
559 (void)TRACE_FUNCTION("upm_sndcp_control_init"); |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
560 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
561 TRACE_ASSERT(ptr_context_data != NULL); |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
562 /*lint -e613 (Possible use of null pointer 'ptr_context_data' in left argument to operator '->') */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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563 ptr_context_data->sndcp_control_state = UPM_SNDCP_INACTIVE; |
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564 ptr_context_data->gprs_data.pkt_flow_id = (U8)PS_PKT_FLOW_ID_NOT_PRES; |
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565 /*lint +e613 (Possible use of null pointer 'ptr_context_data' in left argument to operator '->') */ |
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566 } |
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567 |
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568 /* |
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569 +------------------------------------------------------------------------------ |
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570 | Function : upm_sndcp_control_exit |
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571 +------------------------------------------------------------------------------ |
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572 | Description : SNDCP Control state machine exit function |
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573 | |
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574 | Parameters : ptr_context_data - Pointer to context data |
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575 +------------------------------------------------------------------------------ |
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576 */ |
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577 void upm_sndcp_control_exit(struct T_CONTEXT_DATA *ptr_context_data) |
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578 { |
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579 (void)TRACE_FUNCTION("upm_sndcp_control_exit"); |
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580 |
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581 TRACE_ASSERT(ptr_context_data != NULL); |
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582 /*lint -e613 (Possible use of null pointer 'ptr_context_data' in left argument to operator '->') */ |
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583 ptr_context_data->sndcp_control_state = UPM_SNDCP_INACTIVE; |
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584 ptr_context_data->gprs_data.pkt_flow_id = (U8)PS_PKT_FLOW_ID_NOT_PRES; |
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585 /*lint +e613 (Possible use of null pointer 'ptr_context_data' in left argument to operator '->') */ |
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586 } |
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587 |
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588 /* |
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589 +------------------------------------------------------------------------------ |
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590 | Function : upm_sndcp_control |
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591 +------------------------------------------------------------------------------ |
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592 | Description : SNDCP Control state machine |
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593 | |
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594 | Parameters : ptr_context_data - Pointer to context data |
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595 | event - Internal event (see upm_sndcp_control.h) |
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596 | data - Event dependent parameter |
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597 +------------------------------------------------------------------------------ |
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598 */ |
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599 void upm_sndcp_control (struct T_CONTEXT_DATA *ptr_context_data, |
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600 T_UPM_SNDCP_CONTROL_EVENT event, |
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601 /*@null@*/ void* data) |
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602 { |
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603 #ifdef DEBUG |
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604 T_UPM_SNDCP_CONTROL_STATE old_state; |
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605 /*@observer@*/ |
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606 static const char *state_name[UPM_SNDCP_CONTROL_NUMBER_OF_STATES] = { |
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607 "S0_UPM_SNDCP_INACTIVE", |
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608 "S1_UPM_SNDCP_AWAIT_ACTIVATE", |
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609 "S2_UPM_SNDCP_ACTIVATING", |
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610 "S3_UPM_SNDCP_ACTIVE", |
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611 "S4_UPM_SNDCP_MODIFYING", |
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612 "S5_UPM_SNDCP_DEACTIVATING" |
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613 }; |
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614 /*@observer@*/ |
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615 static const char *event_name[UPM_LINK_CONTROL_NUMBER_OF_EVENTS] = { |
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616 "UPM_P_SN_ACTIVATE_CNF", |
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617 "UPM_P_SN_DEACTIVATE_CNF", |
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618 "UPM_P_SN_MODIFY_CNF", |
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619 "UPM_P_SN_STATUS_IND", |
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620 "UPM_P_MMPM_SEQUENCE_IND", |
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621 "UPM_I_SNDCP_AWAIT_ESTABLISH", |
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622 "UPM_I_SNDCP_ESTABLISH_LLC_LINK", |
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623 "UPM_I_SNDCP_MODIFY_LLC_LINK", |
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624 "UPM_I_SNDCP_RELEASE_LLC_LINK" |
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625 }; |
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626 |
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627 TRACE_ASSERT(ptr_context_data != NULL); |
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628 TRACE_ASSERT(event < UPM_SNDCP_CONTROL_NUMBER_OF_EVENTS); |
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629 |
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630 old_state = ptr_context_data->sndcp_control_state; |
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631 |
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632 if (transition[(U16)old_state][(U16)event].event != event) { |
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633 (void)TRACE_ERROR("Event table error in upm_sndcp_control!"); |
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634 } |
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635 #endif /* DEBUG */ |
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636 |
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637 transition[(U16)ptr_context_data->sndcp_control_state][(U16)event].func(ptr_context_data, data); |
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638 |
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639 #ifdef DEBUG |
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640 (void)TRACE_EVENT_P4("SNDCP #%d: %s => %s to %s", |
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641 ptr_context_data->nsapi, |
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642 event_name[(U16)event], |
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643 state_name[(U16)old_state], |
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644 state_name[(U16)ptr_context_data->sndcp_control_state]); |
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645 #endif /* DEBUG */ |
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646 } |
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647 |
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648 /*==== END OF FILE ==========================================================*/ |