FreeCalypso > hg > fc-magnetite
annotate src/g23m-gprs/sm/sm_sequencer.c @ 524:4a242cfb9bc5
configs/classic: re-enable the bootloader now that we know what it does
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 22 Sep 2018 03:15:21 +0000 |
parents | 219afcfc6250 |
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rev | line source |
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1 /*---------------------------------------------------------------------------- |
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2 | Project : 3G PS |
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3 | Module : SM |
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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: Sequencer state machine implementation in the SM entity. |
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17 | For design details, see: |
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18 | 8010.908 SM 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 "sm.h" |
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26 |
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27 #include "sm_sequencer.h" |
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28 #include "sm_context_control.h" |
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29 |
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30 #include "sm_aci_output_handler.h" |
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31 #include "sm_mm_output_handler.h" |
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32 #include "sm_qos.h" |
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33 |
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34 /*==== CONSTS ===============================================================*/ |
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35 |
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36 /*==== TYPES ================================================================*/ |
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37 |
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38 typedef void (*T_SM_SEQUENCER_TRANSITION_FUNC)(void *data); |
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39 |
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40 typedef struct { |
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41 #ifdef DEBUG |
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42 T_SM_SEQUENCER_EVENT event; |
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43 #endif /* DEBUG */ |
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44 T_SM_SEQUENCER_TRANSITION_FUNC func; |
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45 } T_SM_SEQUENCER_TRANSITION; |
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46 |
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47 /*==== LOCALS ===============================================================*/ |
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48 |
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49 static void handle_mmpm_attach_ind(void *data); |
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50 static void handle_mmpm_detach_ind(void *data); |
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51 static void handle_smreg_pdp_deactivate_req(void *data); |
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52 static void handle_sm_status_req(void *data); |
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53 static void handle_context_activation_override(void *data); |
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54 static void handle_context_deactivate_completed(void *data); |
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55 static void handle_context_tear_down_deactivate(void *data); |
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56 static void handle_context_reactivate_completed(void *data); |
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57 |
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58 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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59 |
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60 static const |
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61 T_SM_SEQUENCER_TRANSITION transition[SM_SEQUENCER_NUMBER_OF_EVENTS] = |
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62 { |
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63 M_TRANSITION(SM_P_MMPM_ATTACH_IND, handle_mmpm_attach_ind), |
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64 M_TRANSITION(SM_P_MMPM_DETACH_IND, handle_mmpm_detach_ind), |
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65 M_TRANSITION(SM_P_SMREG_PDP_DEACTIVATE_REQ, handle_smreg_pdp_deactivate_req), |
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66 M_TRANSITION(SM_P_SM_STATUS_REQ, handle_sm_status_req), |
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67 M_TRANSITION(SM_I_CONTEXT_ACTIVATION_OVERRIDE, handle_context_activation_override), |
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68 M_TRANSITION(SM_I_CONTEXT_DEACTIVATE_COMPLETED, handle_context_deactivate_completed), |
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69 M_TRANSITION(SM_I_CONTEXT_TEAR_DOWN_DEACTIVATE, handle_context_tear_down_deactivate), |
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70 M_TRANSITION(SM_I_CONTEXT_REACTIVATE_COMPLETED, handle_context_reactivate_completed) |
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71 }; |
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72 |
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73 static void sm_seq_clear_nsapis_to_deactivate(void) |
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74 { |
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75 sm_data.sm_nsapis_requested_deactivated = 0; |
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76 sm_data.sm_nsapis_being_deactivated = 0; |
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77 } |
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78 |
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79 static void sm_seq_set_nsapis_to_deactivate(U16 nsapi_set) |
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80 { |
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81 sm_data.sm_nsapis_requested_deactivated |= nsapi_set; |
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82 } |
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83 |
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84 static U16 sm_seq_get_nsapis_to_deactivate(void) |
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85 { |
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86 return (sm_data.sm_nsapis_requested_deactivated); |
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87 } |
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88 |
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89 static BOOL sm_seq_is_nsapi_requested_deactivated(int /*@alt U8@*/ nsapi) |
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90 { |
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91 return sm_is_nsapi_in_nsapi_set(nsapi, sm_data.sm_nsapis_requested_deactivated); |
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92 } |
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93 |
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94 static void sm_seq_nsapi_started_deactivation(int /*@alt U8@*/ nsapi) |
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95 { |
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96 sm_data.sm_nsapis_being_deactivated |
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97 = sm_add_nsapi_to_nsapi_set(nsapi, sm_data.sm_nsapis_being_deactivated); |
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98 } |
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99 |
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100 static void sm_seq_nsapi_completed_deactivation(int /*@alt U8@*/ nsapi) |
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101 { |
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102 sm_data.sm_nsapis_being_deactivated |
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103 = sm_remove_nsapi_from_nsapi_set(nsapi, sm_data.sm_nsapis_being_deactivated); |
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104 } |
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105 |
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106 static BOOL sm_seq_is_nsapi_set_completed(void) |
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107 { |
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108 return (sm_data.sm_nsapis_being_deactivated == 0); |
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109 } |
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110 |
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111 /* |
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112 +------------------------------------------------------------------------------ |
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113 | Function : handle_mmpm_attach_ind |
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114 +------------------------------------------------------------------------------ |
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115 | Description : Handle incoming MMPM_ATTACH_IND |
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116 | |
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117 | Parameters : data - T_MMPM_ATTACH_IND * |
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118 +------------------------------------------------------------------------------ |
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119 */ |
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120 |
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121 #ifndef TI_PS_OP_SM_RETAIN_BEST_CONTEXT |
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122 /*Old method. Secondary contexts deactivated after a R99 to R97 RAU*/ |
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123 static void handle_mmpm_attach_ind(void *data) |
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124 { |
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125 int nsapi; |
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126 T_PS_sgsn_rel sgsn_rel; |
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127 T_MMPM_ATTACH_IND *prim = (T_MMPM_ATTACH_IND *)data; |
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128 #ifdef DEBUG |
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129 /*@observer@*/ |
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130 static const char *sgsn_rel_name[3] = { |
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131 "PS_SGSN_UNKNOWN", |
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132 "PS_SGSN_98_OLDER", |
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133 "PS_SGSN_99_ONWARDS" |
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134 }; |
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135 #endif |
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136 |
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137 (void)TRACE_FUNCTION("handle_mmpm_attach_ind"); |
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138 |
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139 sgsn_rel = (T_PS_sgsn_rel)cl_nwrl_get_sgsn_release(); |
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140 |
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141 (void)TRACE_EVENT_P1("SGSN release given by CL is (1->R97, 2->R99) >>> %d", |
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142 cl_nwrl_get_sgsn_release()); |
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143 |
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144 #ifdef DEBUG |
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145 (void)TRACE_EVENT_P2("Got SGSN release value 0x%02x: %s", |
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146 sgsn_rel, |
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147 (sgsn_rel <= PS_SGSN_99_ONWARDS |
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148 ? sgsn_rel_name[(U16)sgsn_rel] |
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149 : "BAD VALUE!")); |
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150 #endif |
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151 |
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152 /* Check whether the UE has moved from R99 to R97/R98 network. */ |
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153 if (sm_get_current_nw_release() == PS_SGSN_99_ONWARDS && |
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154 sgsn_rel == PS_SGSN_98_OLDER) { |
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155 /* We have moved from R99 network to pre-R99: |
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156 * check for secondary contexts, or contexts with TI > 6; |
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157 * These must be locally deactivated. */ |
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158 U16 nsapis_to_deactivate = 0; |
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159 |
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160 for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) |
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161 { |
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162 struct T_SM_CONTEXT_DATA *context; |
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163 |
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164 context = sm_get_context_data_from_nsapi(nsapi); |
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165 if (context != NULL && |
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166 (context->ti > (U8)SM_MAX_NON_EXT_TI || sm_is_secondary(context))) |
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167 { |
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168 nsapis_to_deactivate = sm_add_nsapi_to_nsapi_set(nsapi, nsapis_to_deactivate); |
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169 /* Make sure to clear the pending reactivation flag */ |
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170 sm_set_context_pending_reactivation(context, FALSE); |
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171 /* Order context deactivation */ |
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172 sm_context_control(context, SM_I_CONTEXT_LOCAL_DEACTIVATE, (void *)TRUE); |
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173 } |
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174 } |
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175 |
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176 /* If any contexts were deactivated, inform ACI and MM */ |
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177 if (nsapis_to_deactivate != 0) |
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178 { |
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179 T_CAUSE_ps_cause cause; |
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180 cause.ctrl_value = CAUSE_is_from_sm; |
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181 cause.value.sm_cause = (U16)CAUSE_SM_PRE_R99_NETWORK_ENTERED; |
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182 |
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183 send_smreg_pdp_deactivate_ind(nsapis_to_deactivate, &cause); |
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184 send_mmpm_pdp_context_status_req(); |
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185 } |
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186 } |
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187 |
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188 /* Check whether any (primary) contexts are pending reactivation: |
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189 * If so, start reactivation now. */ |
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190 for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) |
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191 { |
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192 struct T_SM_CONTEXT_DATA *context; |
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193 |
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194 context = sm_get_context_data_from_nsapi(nsapi); |
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195 if (context != NULL && !sm_is_secondary(context) |
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196 && sm_is_context_pending_reactivation(context)) |
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197 { |
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198 /* Clear the pending reactivation flag. Will be done in |
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199 sm_is_address_changed_with_reactivation */ |
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200 /*sm_set_context_pending_reactivation(context, FALSE);*/ |
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201 |
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202 /* Order context reactivation */ |
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203 sm_context_control(context, SM_I_CONTEXT_REACTIVATE, NULL); |
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204 } |
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205 } |
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206 |
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207 /* Set current RAT and core network release */ |
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208 sm_set_current_rat ((T_PS_rat)prim->rat); |
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209 sm_set_current_nw_release(sgsn_rel); |
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210 |
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211 /* |
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212 * The following line is useful if we try a PDP activation after a |
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213 * GPRS detach |
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214 */ |
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215 sm_data.sm_suspended = FALSE; |
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216 sm_data.sm_suspend_cause = CAUSE_MM_SUCCESS; |
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217 } |
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218 |
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219 #else /*#ifndef TI_PS_OP_SM_RETAIN_BEST_CONTEXT*/ |
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220 /*New method. The best context remain after a R99 to R97 RAU*/ |
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221 |
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222 static void handle_mmpm_attach_ind(void *data) |
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223 { |
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224 int nsapi; |
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225 T_PS_sgsn_rel sgsn_rel; |
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226 T_MMPM_ATTACH_IND *prim = (T_MMPM_ATTACH_IND *)data; |
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227 U16 nsapis_to_deactivate = 0; |
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228 U16 nsapis_deactivated = 0; |
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229 |
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230 #ifdef DEBUG |
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231 /*@observer@*/ |
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232 static const char *sgsn_rel_name[3] = { |
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233 "PS_SGSN_UNKNOWN", |
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234 "PS_SGSN_98_OLDER", |
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235 "PS_SGSN_99_ONWARDS" |
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236 }; |
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237 #endif |
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238 |
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239 (void)TRACE_FUNCTION("handle_mmpm_attach_ind"); |
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240 |
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241 sgsn_rel = cl_nwrl_get_sgsn_release(); |
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242 |
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243 (void)TRACE_EVENT_P1("SGSN release given by CL is (1->R97, 2->R99) >>> %d", |
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244 cl_nwrl_get_sgsn_release()); |
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245 |
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246 #ifdef DEBUG |
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247 (void)TRACE_EVENT_P2("Got SGSN release value 0x%02x: %s", |
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248 sgsn_rel, |
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249 (sgsn_rel <= PS_SGSN_99_ONWARDS |
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250 ? sgsn_rel_name[(U16)sgsn_rel] |
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251 : "BAD VALUE!")); |
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252 #endif |
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253 |
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254 /* Check whether the UE has moved from R99 to R97/R98 network. */ |
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255 if (sm_get_current_nw_release() == PS_SGSN_99_ONWARDS && |
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256 sgsn_rel == PS_SGSN_98_OLDER) { |
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257 /* We have moved from R99 network to pre-R99: |
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258 * First round of elimination. Check for contexts with TI > 6; |
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259 * These must be locally deactivated. |
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260 */ |
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261 |
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262 for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) |
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263 { |
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264 struct T_SM_CONTEXT_DATA *context; |
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265 |
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266 context = sm_get_context_data_from_nsapi(nsapi); |
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267 if (context != NULL && (context->ti > (U8)SM_MAX_NON_EXT_TI )) |
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268 { |
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269 nsapis_to_deactivate = sm_add_nsapi_to_nsapi_set(nsapi, |
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270 nsapis_to_deactivate); |
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271 /* Make sure to clear the pending reactivation flag */ |
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272 sm_set_context_pending_reactivation(context, FALSE); |
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273 /* Order context deactivation */ |
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274 sm_context_control(context, SM_I_CONTEXT_LOCAL_DEACTIVATE, (void *)TRUE); |
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275 } |
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276 } |
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277 |
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278 /* Second round of elimination. Rank contexts based on Traffic class and |
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279 * traffic handling priority. Locally deactivate all but the best ranking |
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280 * context(s). Ref 23.107 Annex C |
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281 */ |
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282 nsapis_deactivated = sm_rank_del_contexts_based_on_tc(); |
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283 nsapis_to_deactivate = (nsapis_to_deactivate | nsapis_deactivated); |
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284 |
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285 /* Third round of elimination. Context(s) with highest values of max bitrate |
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286 * for uplink or downlink remain. Ref 23.107 Annex C |
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287 */ |
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288 nsapis_deactivated = sm_retain_cntxt_wth_best_bitrate(); |
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289 nsapis_to_deactivate = (nsapis_to_deactivate | nsapis_deactivated); |
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290 |
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291 /* Final round of elimination. Context with smallest nsapi remain. |
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292 * Ref 23.107 Annex C |
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293 */ |
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294 nsapis_deactivated = sm_retain_cntxt_with_least_nsapi(); |
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295 nsapis_to_deactivate = (nsapis_to_deactivate | nsapis_deactivated); |
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296 |
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297 /* If any contexts were deactivated, inform ACI and MM */ |
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298 if (nsapis_to_deactivate != 0) |
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299 { |
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300 T_CAUSE_ps_cause cause; |
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301 cause.ctrl_value = CAUSE_is_from_sm; |
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302 cause.value.sm_cause = (U16)CAUSE_SM_PRE_R99_NETWORK_ENTERED; |
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303 |
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304 send_smreg_pdp_deactivate_ind(nsapis_to_deactivate, &cause); |
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305 send_mmpm_pdp_context_status_req(); |
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306 } |
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307 |
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308 /* Now all the remaining contexts should be primary. Clear the |
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309 * secondary context flag if it is set in any of the remaining |
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310 * active context(s). |
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311 */ |
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312 for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) |
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313 { |
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314 struct T_SM_CONTEXT_DATA *context; |
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315 |
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316 context = sm_get_context_data_from_nsapi(nsapi); |
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317 if ( (context != NULL) && (context->context_control_state |
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318 != SM_CONTEXT_DEACTIVATED) && sm_is_secondary(context)) |
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319 { /* Clear the secondary context flag */ |
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320 context->flags &= 0xff^(U8)SM_CONTEXT_FLAG_SECONDARY_CONTEXT; |
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321 } |
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322 } |
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323 } |
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324 |
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325 /* Check whether any (primary) contexts are pending reactivation: |
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326 * If so, start reactivation now. |
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327 */ |
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328 for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) |
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329 { |
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330 struct T_SM_CONTEXT_DATA *context; |
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331 |
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332 context = sm_get_context_data_from_nsapi(nsapi); |
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333 if (context != NULL && !sm_is_secondary(context) |
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334 && sm_is_context_pending_reactivation(context)) |
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335 { |
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336 /* Clear the pending reactivation flag. Will be done in |
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337 sm_is_address_changed_with_reactivation */ |
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338 //sm_set_context_pending_reactivation(context, FALSE); |
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339 |
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340 /* Order context reactivation */ |
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341 sm_context_control(context, SM_I_CONTEXT_REACTIVATE, NULL); |
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342 } |
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343 } |
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344 |
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345 /* Set current RAT and core network release */ |
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346 sm_set_current_rat ((T_PS_rat)prim->rat); |
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347 sm_set_current_nw_release(sgsn_rel); |
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348 |
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349 /* |
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350 * The following line is useful if we try a PDP activation after a |
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351 * GPRS detach |
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352 */ |
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353 sm_data.sm_suspended = FALSE; |
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354 sm_data.sm_suspend_cause = CAUSE_MM_SUCCESS; |
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355 } |
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356 #endif /*#ifndef TI_PS_OP_SM_RETAIN_BEST_CONTEXT*/ |
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357 |
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358 /* |
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359 +------------------------------------------------------------------------------ |
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360 | Function : handle_mmpm_detach_ind |
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361 +------------------------------------------------------------------------------ |
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362 | Description : Handle incoming MMPM_DETACH_IND primitive |
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363 | |
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364 | Parameters : data - T_MMPM_DETACH_IND * |
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365 +------------------------------------------------------------------------------ |
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366 */ |
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367 static void handle_mmpm_detach_ind(void *data) |
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368 { |
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369 T_MMPM_DETACH_IND *prim = data; |
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370 int nsapi; |
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371 U16 nsapis_to_deactivate = 0; |
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372 BOOL cause_reattach; |
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373 |
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374 (void)TRACE_FUNCTION("handle_mmpm_detach_ind"); |
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375 |
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376 TRACE_ASSERT (data != NULL); |
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377 |
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378 if (prim->ps_cause.ctrl_value == CAUSE_is_from_mm && |
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379 prim->ps_cause.value.mm_cause == (U16)CAUSE_MM_DETACH_WITH_REATTACH) |
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380 { |
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381 cause_reattach = TRUE; |
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382 } else { |
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383 cause_reattach = FALSE; |
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384 } |
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385 |
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386 for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) |
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387 { |
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388 struct T_SM_CONTEXT_DATA *context; |
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389 |
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390 context = sm_get_context_data_from_nsapi(nsapi); |
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391 if (context != NULL) |
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392 { |
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393 if (cause_reattach) |
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394 { |
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395 sm_set_context_pending_reactivation(context, TRUE); |
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396 } else { |
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397 sm_set_context_pending_reactivation(context, FALSE); |
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398 nsapis_to_deactivate = sm_add_nsapi_to_nsapi_set(nsapi, nsapis_to_deactivate); |
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399 } |
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400 |
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401 sm_context_control(context, SM_I_CONTEXT_LOCAL_DEACTIVATE, (void *)TRUE); |
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402 } |
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403 } |
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404 |
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405 /* Inform ACI that the contexts are gone. */ |
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406 if (nsapis_to_deactivate != 0) |
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407 { |
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408 send_smreg_pdp_deactivate_ind(nsapis_to_deactivate, &prim->ps_cause); |
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409 } |
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410 } |
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411 |
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412 /* |
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413 +------------------------------------------------------------------------------ |
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414 | Function : handle_smreg_pdp_deactivate_req |
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415 +------------------------------------------------------------------------------ |
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416 | Description : Handle incoming SMREG_PDP_DEACTIVATE_REQ |
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417 | |
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418 | Parameters : data - T_SMREG_PDP_DEACTIVATE_REQ * |
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419 +------------------------------------------------------------------------------ |
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420 */ |
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421 static void handle_smreg_pdp_deactivate_req(void *data) |
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422 { |
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423 int nsapi; |
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424 U16 nsapis_deactivated = 0; |
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425 T_SMREG_PDP_DEACTIVATE_REQ *prim = (T_SMREG_PDP_DEACTIVATE_REQ *)data; |
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426 (void)TRACE_FUNCTION("handle_smreg_pdp_deactivate_req"); |
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427 |
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428 TRACE_ASSERT(prim != NULL); |
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429 |
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430 if (prim EQ NULL) |
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431 return; |
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432 |
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433 for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) |
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434 { |
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435 if (sm_is_nsapi_in_nsapi_set(nsapi, prim->nsapi_set)) |
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436 { |
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437 struct T_SM_CONTEXT_DATA *context; |
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438 |
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439 context = sm_get_context_data_from_nsapi(nsapi); |
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440 if (context != NULL) |
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441 { |
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442 nsapis_deactivated = sm_add_nsapi_to_nsapi_set(nsapi, nsapis_deactivated); |
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443 |
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444 /* Set SM_CONTEXT_FLAG_STARTED_DURING_SUSPEND flag according to suspend status */ |
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445 sm_set_started_during_suspend(context); |
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446 |
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447 /* Clear pending reactivation flag */ |
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448 sm_set_context_pending_reactivation(context, FALSE); |
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449 |
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450 /* Mark requested nsapi for deactivation */ |
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451 sm_seq_set_nsapis_to_deactivate(sm_nsapi2nsapi_set(nsapi)); |
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452 |
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453 /* Mark NSAPI "deactivation in progress" */ |
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454 sm_seq_nsapi_started_deactivation(nsapi); |
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455 |
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456 if (prim->rel_ind == (U8)PS_REL_IND_YES) |
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457 { |
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458 /* Local deactivation */ |
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459 sm_context_control(context, SM_I_CONTEXT_LOCAL_DEACTIVATE, (void *)TRUE); |
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460 } else { |
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461 /* Deactivation with network signalling */ |
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462 sm_context_control(context, SM_I_CONTEXT_DEACTIVATE, |
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463 (void *)SM_I_DEACTIVATE_NETWORK_AND_USER_PLANE); |
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464 } /* if */ |
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465 } /* if */ |
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466 } /* if */ |
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467 } /* for */ |
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468 |
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469 if (nsapis_deactivated != 0) { |
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470 if (prim->rel_ind == (U8)PS_REL_IND_YES) { |
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471 /* For local deactivations, inform MM if any contexts were deactivated */ |
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472 send_mmpm_pdp_context_status_req(); |
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473 /* Inform ACI of the deactivated contexts */ |
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474 send_smreg_pdp_deactivate_cnf(prim->nsapi_set); |
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475 } |
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476 } else { |
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477 /* Contexts must already be deactivated - inform ACI */ |
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478 send_smreg_pdp_deactivate_cnf(prim->nsapi_set); |
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479 } |
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480 } |
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481 |
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482 /* |
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483 +------------------------------------------------------------------------------ |
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484 | Function : handle_sm_status_req |
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485 +------------------------------------------------------------------------------ |
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486 | Description : Handle incoming SM_STATUS_REQ |
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487 | |
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488 | Parameters : data - T_SM_STATUS_REQ * |
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489 +------------------------------------------------------------------------------ |
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490 */ |
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491 static void handle_sm_status_req(void *data) |
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492 { |
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493 int nsapi; |
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494 T_SM_STATUS_REQ *prim = (T_SM_STATUS_REQ *)data; |
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495 T_SM_CONTEXT_CONTROL_EVENT event; |
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496 void *edata; |
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497 (void)TRACE_FUNCTION("handle_sm_status_req"); |
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|
498 |
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499 if (prim->ps_cause.ctrl_value == CAUSE_is_from_llc) { |
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500 switch (prim->ps_cause.value.llc_cause) { |
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501 case CAUSE_LLC_NO_PEER_RES: |
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502 /* Do nothing */ |
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503 return; |
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504 case CAUSE_LLC_NORMAL_REL: /* Normal deactivation */ |
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505 default: /* Unknown user plane error: Deactivate contexts */ |
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506 /* Deactivate with network signalling */ |
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507 event = SM_I_CONTEXT_USER_PLANE_ERROR; |
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508 edata = NULL; |
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509 break; |
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510 } /* switch */ |
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511 } else if (prim->ps_cause.ctrl_value == CAUSE_is_from_upm) { |
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|
512 switch (prim->ps_cause.value.upm_cause) { |
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513 case CAUSE_UPM_RT_QOS_RELEASE: |
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514 /* Inform ACI of QoS downgrade */ |
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515 send_smreg_pdp_modify_ind_multiple(prim->nsapi_set, |
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516 SM_UPDATE_QOS_DOWNGRADE); |
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517 return; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
518 case CAUSE_UPM_REEST_NEEDED: |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
519 event = SM_I_CONTEXT_UPGRADE; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
520 edata = NULL; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
521 break; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
522 case CAUSE_UPM_REEST_REJECT: |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
523 /* FIXME: How to handle reactivation reject? */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
524 return; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
525 case CAUSE_UPM_NORMAL_RELEASE: |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
526 event = SM_I_CONTEXT_USER_PLANE_ERROR; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
527 edata = NULL; |
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parents:
diff
changeset
|
528 break; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
529 default: /* Unknown user plane error: Deactivate contexts */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
530 event = SM_I_CONTEXT_DEACTIVATE; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
531 edata = (void *)SM_I_DEACTIVATE_NETWORK_AND_USER_PLANE; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
532 break; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
533 } /* switch */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
534 } else { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
535 /* Unknown user plane error: Assume user plane down and deactivate contexts */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
536 event = SM_I_CONTEXT_USER_PLANE_ERROR; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
537 edata = NULL; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
538 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
539 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
540 for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
541 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
542 if (sm_is_nsapi_in_nsapi_set(nsapi, prim->nsapi_set)) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
543 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
544 struct T_SM_CONTEXT_DATA *context; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
545 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
546 context = sm_get_context_data_from_nsapi(nsapi); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
547 if (context != NULL) { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
548 sm_set_aci_cause(context, prim->ps_cause.ctrl_value, |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
549 prim->ps_cause.value.nwsm_cause); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
550 sm_context_control(context, event, edata); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
551 } /* if */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
552 } /* if */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
553 } /* for */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
554 } |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
555 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
556 /* |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
557 +------------------------------------------------------------------------------ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
558 | Function : handle_context_activation_override |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
559 +------------------------------------------------------------------------------ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
560 | Description : Handle SM_I_CONTEXT_ACTIVATION_OVERRIDE |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
561 | |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
562 | Parameters : data - ti |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
563 +------------------------------------------------------------------------------ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
564 */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
565 static void handle_context_activation_override(void *data) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
566 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
567 int nsapi, ti = (int)data; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
568 U16 nsapis_to_deactivate = 0; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
569 (void)TRACE_FUNCTION("handle_context_activation_override"); |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
570 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
571 for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
572 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
573 struct T_SM_CONTEXT_DATA *context; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
574 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
575 context = sm_get_context_data_from_nsapi(nsapi); |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
576 if (context != NULL && context->ti != (U8)ti && |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
577 sm_is_secondary(context) && context->linked_ti == (U8)ti) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
578 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
579 /* Locally deactivate contexts linked to ti of input context */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
580 nsapis_to_deactivate = sm_add_nsapi_to_nsapi_set(nsapi, nsapis_to_deactivate); |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
581 } /* if */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
582 } /* for */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
583 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
584 if (nsapis_to_deactivate != 0) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
585 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
586 T_CAUSE_ps_cause cause; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
587 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
588 /* Found contexts to deactivate: inform ACI */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
589 cause.ctrl_value = CAUSE_is_from_sm; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
590 cause.value.sm_cause = (U16)CAUSE_SM_ACTIVATION_OVERRIDE; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
591 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
592 send_smreg_pdp_deactivate_ind(nsapis_to_deactivate, &cause); |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
593 |
219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
594 /* Perform local deactivation */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
595 for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
596 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
597 if (sm_is_nsapi_in_nsapi_set(nsapi, nsapis_to_deactivate)) |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
598 { |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
599 struct T_SM_CONTEXT_DATA *context; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
600 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
601 context = sm_get_context_data_from_nsapi(nsapi); |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
602 sm_context_control(context, SM_I_CONTEXT_LOCAL_DEACTIVATE, (void *)TRUE); |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
603 } /* if */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
604 } /* for */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
605 } /* if */ |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
606 } |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
607 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
608 /* |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
609 +------------------------------------------------------------------------------ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
610 | Function : handle_context_deactivate_completed |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
611 +------------------------------------------------------------------------------ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
612 | Description : Handle SM_I_CONTEXT_DEACTIVATE_COMPLETED |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
613 | |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
614 | Parameters : data - NSAPI |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
615 +------------------------------------------------------------------------------ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
616 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
617 static void handle_context_deactivate_completed(void *data) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
618 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
619 int nsapi = (int)data; |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
620 (void)TRACE_FUNCTION("handle_context_deactivate_completed"); |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
621 |
219afcfc6250
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
622 /* Mark nsapi as deactivated */ |
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623 sm_seq_nsapi_completed_deactivation(nsapi); |
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624 |
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625 /* Check that this NSAPI is part of the requested NSAPIs being deactivated. |
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626 * Could also be due to SMREG_CONFIGURE_REQ etc. */ |
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627 if (sm_seq_is_nsapi_requested_deactivated(nsapi)) { |
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628 /* Yes, NSAPI is in set. Check whether deactivation completes with this NSAPI */ |
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629 if (sm_seq_is_nsapi_set_completed()) { |
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630 /* Done. Confirm deactivation towards ACI */ |
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631 send_smreg_pdp_deactivate_cnf(sm_seq_get_nsapis_to_deactivate()); |
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632 |
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633 /* Reset requested deactivation nsapi_set. */ |
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634 sm_seq_clear_nsapis_to_deactivate(); |
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635 } |
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636 } else { |
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637 /* No. NSAPI was deactivated for reasons other than deactivation from ACI */ |
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638 } |
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639 } |
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640 |
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641 /* |
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642 +------------------------------------------------------------------------------ |
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643 | Function : handle_context_reactivate_completed |
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644 +------------------------------------------------------------------------------ |
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645 | Description : Handle SM_I_CONTEXT_REACTIVATE_COMPLETED |
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646 | |
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647 | Parameters : data - TI (of primary context) |
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648 +------------------------------------------------------------------------------ |
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649 */ |
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650 static void handle_context_reactivate_completed(void *data) |
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651 { |
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652 int ti = (int)data; |
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653 int nsapi; |
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654 |
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655 (void)TRACE_FUNCTION("handle_context_reactivate_completed"); |
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656 |
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657 /* Check whether any secondary contexts are pending reactivation with |
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658 * linked_ti == ti of the primary context just reactivated. |
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659 * If so, start reactivation now. */ |
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660 for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) |
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661 { |
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662 struct T_SM_CONTEXT_DATA *context; |
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663 |
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664 context = sm_get_context_data_from_nsapi(nsapi); |
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665 if (context != NULL && sm_is_secondary(context) |
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666 && context->linked_ti == (U8)ti) |
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667 { |
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668 /* Clear the pending reactivation flag */ |
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669 sm_set_context_pending_reactivation(context, FALSE); |
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670 |
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671 /* Order context reactivation */ |
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672 sm_context_control(context, SM_I_CONTEXT_REACTIVATE, NULL); |
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673 } |
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674 } |
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|
675 } |
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|
676 |
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677 /* |
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678 +------------------------------------------------------------------------------ |
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679 | Function : handle_context_tear_down_deactivate |
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680 +------------------------------------------------------------------------------ |
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681 | Description : Handle SM_I_CONTEXT_TEAR_DOWN_DEACTIVATE |
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682 | |
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683 | Parameters : data - TI |
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684 +------------------------------------------------------------------------------ |
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685 */ |
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|
686 static void handle_context_tear_down_deactivate(void *data) |
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|
687 { |
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|
688 int nsapi, ti = (int)data; |
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|
689 U16 nsapis_to_deactivate = 0; |
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690 (void)TRACE_FUNCTION("handle_context_tear_down_deactivate"); |
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|
691 |
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692 nsapis_to_deactivate = sm_linked_nsapis((U8)ti); |
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|
693 |
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|
694 if (nsapis_to_deactivate != 0) { |
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695 /* Perform local deactivation */ |
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696 for (nsapi = (int)NAS_NSAPI_5; nsapi < NAS_SIZE_NSAPI; nsapi++) |
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|
697 { |
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|
698 if (sm_is_nsapi_in_nsapi_set(nsapi, nsapis_to_deactivate)) |
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|
699 { |
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700 struct T_SM_CONTEXT_DATA *context; |
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|
701 |
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|
702 context = sm_get_context_data_from_nsapi(nsapi); |
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703 sm_context_control(context, SM_I_CONTEXT_LOCAL_DEACTIVATE, (void *)TRUE); |
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704 } /* if */ |
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705 } /* for */ |
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706 } /* if */ |
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|
707 } |
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|
708 |
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|
709 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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710 |
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711 /* |
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712 +------------------------------------------------------------------------------ |
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713 | Function : sm_sequencer_init |
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714 +------------------------------------------------------------------------------ |
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715 | Description : Sequencer state machine initialization function |
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|
716 | |
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717 | Parameters : None |
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718 +------------------------------------------------------------------------------ |
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719 */ |
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|
720 void sm_sequencer_init(void) |
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|
721 { |
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|
722 (void)TRACE_FUNCTION("sm_sequencer_init"); |
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|
723 |
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|
724 |
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|
725 sm_data.sm_attached = FALSE; |
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|
726 sm_data.sm_suspended = FALSE; |
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|
727 sm_data.sm_suspend_cause = CAUSE_MM_SUCCESS; |
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|
728 |
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729 |
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730 sm_seq_clear_nsapis_to_deactivate(); |
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731 } |
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732 |
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733 /* |
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734 +------------------------------------------------------------------------------ |
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735 | Function : sm_sequencer_exit |
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736 +------------------------------------------------------------------------------ |
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737 | Description : Sequencer state machine exit function |
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738 |
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739 | Parameters : None |
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740 +------------------------------------------------------------------------------ |
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741 */ |
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742 void sm_sequencer_exit(void) |
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743 { |
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744 (void)TRACE_FUNCTION("sm_sequencer_exit"); |
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745 |
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746 sm_data.sm_attached = FALSE; |
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747 sm_seq_clear_nsapis_to_deactivate(); |
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748 } |
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749 |
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750 /* |
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751 +------------------------------------------------------------------------------ |
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752 | Function : sm_sequencer |
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753 +------------------------------------------------------------------------------ |
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754 | Description : Sequencer state machine |
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755 | |
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756 | Parameters : event - Internal event (see sm_sequencer.h) |
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757 | data - Event dependent parameter |
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758 +------------------------------------------------------------------------------ |
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759 */ |
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760 void sm_sequencer(T_SM_SEQUENCER_EVENT event, |
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761 void *data) |
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762 { |
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763 #ifdef DEBUG |
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764 /*@observer@*/ |
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765 static const char *event_name[SM_SEQUENCER_NUMBER_OF_EVENTS] = { |
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766 "SM_P_MMPM_ATTACH_IND", |
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767 "SM_P_MMPM_DETACH_IND", |
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768 "SM_P_SMREG_PDP_DEACTIVATE_REQ", |
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769 "SM_P_SM_STATUS_REQ", |
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770 "SM_I_CONTEXT_ACTIVATION_OVERRIDE", |
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771 "SM_I_CONTEXT_DEACTIVATE_COMPLETED", |
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772 "SM_I_CONTEXT_TEAR_DOWN_DEACTIVATE", |
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773 "SM_I_CONTEXT_REACTIVATE_COMPLETED" |
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774 }; |
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775 char state_array[SM_MAX_NSAPI_OFFSET + 1]; |
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776 |
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777 TRACE_ASSERT(event < SM_SEQUENCER_NUMBER_OF_EVENTS); |
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778 |
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779 if (transition[(U16)event].event != event) { |
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780 (void)TRACE_ERROR("Event table error in sm_sequencer!"); |
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781 } |
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782 #endif /* DEBUG */ |
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783 |
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784 transition[(U16)event].func(data); |
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785 |
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786 #ifdef DEBUG |
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787 (void)TRACE_EVENT_P2("SM SEQUENCER : %s => %s", |
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788 event_name[(U16)event], |
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789 sm_context_bitfield(state_array, sm_data.sm_context_activation_status)); |
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790 #endif /* DEBUG */ |
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791 } |
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792 |
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793 /*==== END OF FILE ==========================================================*/ |