FreeCalypso > hg > fc-tourmaline
annotate src/g23m-fad/ppp/ppp_frxs.c @ 24:63c80ef2cecb
components: UI_CONFIG change for Tourmaline
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 16 Oct 2020 17:11:48 +0000 |
parents | fa8dc04885d8 |
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rev | line source |
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1
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : |
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4 | Modul : |
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5 +----------------------------------------------------------------------------- |
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6 | Copyright 2002 Texas Instruments Berlin, AG |
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7 | All rights reserved. |
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8 | |
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9 | This file is confidential and a trade secret of Texas |
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10 | Instruments Berlin, AG |
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11 | The receipt of or possession of this file does not convey |
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12 | any rights to reproduce or disclose its contents or to |
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13 | manufacture, use, or sell anything it may describe, in |
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14 | whole, or in part, without the specific written consent of |
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15 | Texas Instruments Berlin, AG. |
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16 +----------------------------------------------------------------------------- |
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17 | Purpose : This modul is part of the entity PPP and implements all |
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18 | functions to handles the incoming process internal signals as |
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19 | described in the SDL-documentation (FRX-statemachine) |
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20 +----------------------------------------------------------------------------- |
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21 */ |
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22 |
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23 #define ENTITY_PPP |
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24 |
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25 /*==== INCLUDES =============================================================*/ |
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26 |
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27 #include "typedefs.h" /* to get Condat data types */ |
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28 #include "vsi.h" /* to get a lot of macros */ |
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29 #include "macdef.h" /* to get a lot of macros */ |
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30 #include "custom.h" /* to get a lot of macros */ |
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31 /*lint -efile(766,gsm.h) */ |
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32 #include "gsm.h" /* to get a lot of macros */ |
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33 /*lint -efile(766,cnf_ppp.h) */ |
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34 #include "cnf_ppp.h" /* to get cnf-definitions */ |
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35 /*lint -efile(766,mon_ppp.h) */ |
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36 #include "mon_ppp.h" /* to get mon-definitions */ |
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37 #include "prim.h" /* to get the definitions of used SAP and directions */ |
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38 #include "dti.h" /* to get the DTILIB definitions */ |
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39 #include "ppp.h" /* to get the global entity definitions */ |
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40 |
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41 #include "ppp_frxf.h" /* to get function interface from frx */ |
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42 #include "ppp_arbf.h" /* to get function interface from arb */ |
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43 #include "ppp_ptxs.h" /* to get signal interface from ptx */ |
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44 |
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45 /*==== CONST ================================================================*/ |
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46 |
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47 /*==== LOCAL VARS ===========================================================*/ |
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48 |
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49 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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50 |
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51 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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52 |
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53 |
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54 |
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55 /* |
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56 +------------------------------------------------------------------------------ |
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57 | Function : sig_ptx_frx_dead_mode_req |
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58 +------------------------------------------------------------------------------ |
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59 | Description : Handles the internal signal SIG_PTX_FRX_DEAD_MODE_REQ |
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60 | |
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61 | Parameters : no parameters |
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62 | |
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63 +------------------------------------------------------------------------------ |
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64 */ |
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65 GLOBAL void sig_ptx_frx_dead_mode_req () |
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66 { |
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67 TRACE_ISIG( "sig_ptx_frx_dead_mode_req" ); |
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68 |
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69 arb_discard_packet(ppp_data->frx.received_data); |
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70 arb_discard_packet(ppp_data->frx.stored_packet); |
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71 ppp_data->frx.received_data = NULL; |
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72 ppp_data->frx.stored_packet = NULL; |
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73 ppp_data->frx.store_state = FRX_ADD_ERROR; |
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74 ppp_data->frx.frame_complete = FALSE; |
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75 ppp_data->frx.data_flow_state = FRX_DATA_FLOW_DEAD; |
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76 |
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77 switch( GET_STATE( PPP_SERVICE_FRX ) ) |
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78 { |
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79 case FRX_READY: |
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80 case FRX_READY_NDTI: |
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81 case FRX_TRANSPARENT: |
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82 case FRX_TRANSPARENT_NDTI: |
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83 SET_STATE( PPP_SERVICE_FRX, FRX_DEAD ); |
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84 break; |
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85 |
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86 default: |
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87 TRACE_ERROR( "SIG_PTX_FRX_DEAD_MODE_REQ unexpected" ); |
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88 break; |
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89 } |
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90 } /* sig_ptx_frx_dead_mode_req() */ |
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91 |
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92 /* |
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93 +------------------------------------------------------------------------------ |
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94 | Function : sig_ptx_frx_ready_mode_req |
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95 +------------------------------------------------------------------------------ |
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96 | Description : Handles the internal signal SIG_PTX_FRX_READY_MODE_REQ |
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97 | |
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98 | Parameters : no parameters |
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99 | |
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100 +------------------------------------------------------------------------------ |
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101 */ |
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102 GLOBAL void sig_ptx_frx_ready_mode_req () |
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103 { |
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104 TRACE_ISIG( "sig_ptx_frx_ready_mode_req" ); |
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105 |
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106 switch( GET_STATE( PPP_SERVICE_FRX ) ) |
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107 { |
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108 case FRX_DEAD: |
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109 SET_STATE( PPP_SERVICE_FRX, FRX_READY_NDTI ); |
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110 break; |
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111 |
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112 case FRX_DEAD_DTI: |
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113 SET_STATE( PPP_SERVICE_FRX, FRX_READY ); |
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114 break; |
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115 |
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116 default: |
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117 TRACE_ERROR( "SIG_PTX_FRX_READY_MODE_REQ unexpected" ); |
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118 break; |
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119 } |
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120 } /* sig_ptx_frx_ready_mode_req() */ |
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121 |
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122 /* |
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123 +------------------------------------------------------------------------------ |
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124 | Function : sig_ptx_frx_transparent_mode_req |
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125 +------------------------------------------------------------------------------ |
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126 | Description : Handles the internal signal SIG_PTX_FRX_TRANSPARENT_MODE_REQ |
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127 | |
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128 | Parameters : no parameters |
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129 | |
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130 +------------------------------------------------------------------------------ |
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131 */ |
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132 GLOBAL void sig_ptx_frx_transparent_mode_req () |
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133 { |
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134 TRACE_ISIG( "sig_ptx_frx_transparent_mode_req" ); |
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135 |
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136 switch( GET_STATE( PPP_SERVICE_FRX ) ) |
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137 { |
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138 case FRX_DEAD: |
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139 SET_STATE( PPP_SERVICE_FRX, FRX_TRANSPARENT_NDTI ); |
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140 break; |
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141 |
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142 case FRX_DEAD_DTI: |
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143 SET_STATE( PPP_SERVICE_FRX, FRX_TRANSPARENT ); |
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144 break; |
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145 |
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146 default: |
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147 TRACE_ERROR( "SIG_PTX_FRX_TRANSPARENT_MODE_REQ unexpected" ); |
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148 break; |
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149 } |
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150 } /* sig_ptx_frx_transparent_mode_req() */ |
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151 |
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152 /* |
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153 +------------------------------------------------------------------------------ |
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154 | Function : sig_ptx_frx_start_flow_req |
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155 +------------------------------------------------------------------------------ |
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156 | Description : Handles the internal signal SIG_PTX_FRX_START_FLOW_REQ |
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157 | |
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158 | Parameters : no parameters |
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159 | |
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|
160 +------------------------------------------------------------------------------ |
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|
161 */ |
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|
162 GLOBAL void sig_ptx_frx_start_flow_req () |
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|
163 { |
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|
164 TRACE_ISIG( "sig_ptx_frx_start_flow_req" ); |
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165 /* |
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|
166 * set FRX PTX data flow state to ready. |
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|
167 */ |
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|
168 ppp_data->frx.data_flow_state = FRX_DATA_FLOW_READY; |
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169 |
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170 switch( GET_STATE( PPP_SERVICE_FRX ) ) |
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|
171 { |
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|
172 case FRX_READY: |
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|
173 /* |
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|
174 * Send if necessary residuary packets from frame received before |
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Mychaela Falconia <falcon@freecalypso.org>
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|
175 */ |
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|
176 frx_send_pack_ready_mode (); |
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|
177 /* |
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|
178 * check if all packet of frame were sent and start dti |
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179 */ |
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180 if((ppp_data->frx.frame_complete EQ FALSE ) AND |
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181 (ppp_data->frx.data_flow_state EQ FRX_DATA_FLOW_READY)) |
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|
182 { |
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|
183 /* |
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|
184 * Send a start signal to DTI |
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diff
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|
185 */ |
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|
186 dti_start(ppp_data->ppphDTI, PPP_INSTANCE, PEER_LAYER, PEER_CHANNEL); |
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187 } |
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|
188 break; |
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189 |
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|
190 case FRX_TRANSPARENT: |
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|
191 /* |
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|
192 * Send if necessary residuary packets from frame received before |
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|
193 */ |
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|
194 frx_send_pack_transp_mode (); |
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195 /* |
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|
196 * check if all packet of frame were sent and start dti |
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|
197 */ |
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|
198 if((ppp_data->frx.frame_complete EQ FALSE) AND |
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|
199 (ppp_data->frx.data_flow_state EQ FRX_DATA_FLOW_READY)) |
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Mychaela Falconia <falcon@freecalypso.org>
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|
200 { |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
201 /* |
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Mychaela Falconia <falcon@freecalypso.org>
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|
202 * Send a start signal to DTI |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
203 */ |
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Mychaela Falconia <falcon@freecalypso.org>
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|
204 dti_start(ppp_data->ppphDTI, PPP_INSTANCE, PEER_LAYER, PEER_CHANNEL); |
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|
205 } |
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|
206 break; |
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|
207 case FRX_READY_NDTI: |
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|
208 case FRX_TRANSPARENT_NDTI: |
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209 /* |
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|
210 * silently ignore duplicate signal.. |
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Mychaela Falconia <falcon@freecalypso.org>
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|
211 */ |
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|
212 break; |
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|
213 |
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|
214 default: |
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Mychaela Falconia <falcon@freecalypso.org>
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|
215 TRACE_ERROR( "SIG_PTX_FRX_START_FLOW_REQ unexpected" ); |
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|
216 break; |
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Mychaela Falconia <falcon@freecalypso.org>
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|
217 } |
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|
218 |
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219 } /* sig_ptx_frx_start_flow_req() */ |
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|
220 |
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221 |
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|
222 /* |
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|
223 +------------------------------------------------------------------------------ |
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|
224 | Function : sig_ptx_frx_stop_flow_req |
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|
225 +------------------------------------------------------------------------------ |
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|
226 | Description : Handles the internal signal SIG_PTX_FRX_STOP_FLOW_REQ |
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227 | |
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|
228 | Parameters : no parameters |
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229 | |
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|
230 +------------------------------------------------------------------------------ |
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|
231 */ |
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|
232 GLOBAL void sig_ptx_frx_stop_flow_req () |
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|
233 { |
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|
234 TRACE_ISIG( "sig_ptx_frx_stop_flow_req" ); |
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|
235 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
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|
236 /* |
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237 * set FRX-PTX data flow state to dead. |
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238 */ |
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239 ppp_data->frx.data_flow_state = FRX_DATA_FLOW_DEAD; |
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240 |
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241 switch( GET_STATE( PPP_SERVICE_FRX ) ) |
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242 { |
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243 case FRX_READY: |
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244 case FRX_TRANSPARENT: |
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245 /* |
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246 * Send a stop signal to DTI |
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247 */ |
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248 dti_stop(ppp_data->ppphDTI, PPP_INSTANCE, PEER_LAYER, PEER_CHANNEL); |
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249 break; |
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250 |
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251 case FRX_READY_NDTI: |
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252 case FRX_TRANSPARENT_NDTI: |
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253 /* |
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254 * silently ignore duplicate signal.. |
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255 */ |
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256 break; |
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257 default: |
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258 TRACE_ERROR( "SIG_PTX_FRX_STOP_FLOW_REQ unexpected" ); |
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259 break; |
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260 } |
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261 |
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262 } /* sig_ptx_frx_stop_flow_req() */ |
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263 |
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264 /* |
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265 +------------------------------------------------------------------------------ |
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266 | Function : sig_arb_frx_dti_connected_req |
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267 +------------------------------------------------------------------------------ |
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268 | Description : Handles the internal signal SIG_ARB_FRX_DTI_CONNECTED_REQ |
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269 | |
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270 | Parameters : no parameters |
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271 | |
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272 +------------------------------------------------------------------------------ |
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273 */ |
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274 GLOBAL void sig_arb_frx_dti_connected_req () |
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275 { |
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276 TRACE_ISIG( "sig_arb_frx_dti_connected_req" ); |
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277 |
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278 switch( GET_STATE( PPP_SERVICE_FRX ) ) |
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279 { |
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280 case FRX_DEAD: |
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281 SET_STATE( PPP_SERVICE_FRX, FRX_DEAD_DTI ); |
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282 break; |
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283 |
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284 case FRX_READY_NDTI: |
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285 SET_STATE( PPP_SERVICE_FRX, FRX_READY ); |
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286 /* |
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287 * Send a start signal to DTI |
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288 */ |
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289 dti_start(ppp_data->ppphDTI, PPP_INSTANCE, PEER_LAYER, PEER_CHANNEL); |
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290 break; |
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291 |
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292 case FRX_TRANSPARENT_NDTI: |
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293 SET_STATE( PPP_SERVICE_FRX, FRX_TRANSPARENT ); |
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294 /* |
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295 * Send a start signal to DTI |
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296 */ |
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297 dti_start(ppp_data->ppphDTI, PPP_INSTANCE, PEER_LAYER, PEER_CHANNEL); |
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298 break; |
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299 |
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300 default: |
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301 TRACE_ERROR( "SIG_ARB_FRX_DTI_CONNECTED_REQ unexpected" ); |
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302 break; |
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303 } |
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304 } /* sig_arb_frx_dti_connected_req() */ |
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305 |
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306 |
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307 /* |
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|
308 +------------------------------------------------------------------------------ |
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309 | Function : sig_dti_frx_data_received_ind |
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310 +------------------------------------------------------------------------------ |
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311 | Description : Handles the signal SIG_DTI_FRX_DATA_RECEIVED_IND |
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312 | |
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313 | Parameters : dti_data_ind - Ptr. to primitive payload |
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314 | |
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|
315 +------------------------------------------------------------------------------ |
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316 */ |
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|
317 |
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318 GLOBAL void sig_dti_frx_data_received_ind (T_DTI2_DATA_IND *dti_data_ind) |
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319 { |
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320 TRACE_FUNCTION( "sig_dti_frx_data_received_ind" ); |
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|
321 |
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322 PACCESS(dti_data_ind); |
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323 |
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|
324 #ifdef PPP_HDLC_TRACE |
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325 { |
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326 T_desc2* trace_desc; |
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|
327 |
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328 trace_desc = (T_desc2*)dti_data_ind->desc_list2.first; |
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329 while(trace_desc) |
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330 { |
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|
331 if(trace_desc->len) |
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332 { |
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|
333 TRACE_EVENT_P4("new desc=0x%08x: first=0x%02x last=0x%02x len=%d", |
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334 trace_desc, |
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335 trace_desc->buffer[0], |
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336 trace_desc->buffer[trace_desc->len - 1], |
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337 trace_desc->len); |
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338 } |
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339 else |
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340 { |
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|
341 TRACE_EVENT_P1("new desc=0x%08x: len=0", trace_desc); |
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342 } |
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343 trace_desc = (T_desc2*)trace_desc->next; |
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344 } |
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345 } |
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346 #endif /* PPP_HDLC_TRACE */ |
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347 |
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348 switch( GET_STATE( PPP_SERVICE_FRX ) ) |
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349 { |
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350 case FRX_READY: |
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351 ppp_data->frx.received_data = (T_desc2*)dti_data_ind->desc_list2.first; |
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352 ppp_data->frx.proceed_data = 0; |
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|
353 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
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354 /* |
fa8dc04885d8
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|
355 * send as many packets to ptx as can be extracted |
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|
356 * from the one just received |
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|
357 */ |
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Mychaela Falconia <falcon@freecalypso.org>
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|
358 frx_add_desc(); |
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Mychaela Falconia <falcon@freecalypso.org>
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359 frx_send_pack_ready_mode(); |
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360 break; |
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361 |
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362 case FRX_TRANSPARENT: |
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363 ppp_data->frx.received_data = (T_desc2*)dti_data_ind->desc_list2.first; |
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364 ppp_data->frx.proceed_data = 0; |
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365 |
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366 /* |
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367 * send as many packets to ptx as can be extracted |
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368 * from the one just received |
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369 */ |
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370 frx_detect_frame(); |
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371 frx_send_pack_transp_mode(); |
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372 break; |
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373 |
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374 default: |
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375 TRACE_ERROR( "DTI signal unexpected" ); |
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376 /* |
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377 * free the data |
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378 */ |
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379 arb_discard_packet((T_desc2*)dti_data_ind->desc_list2.first); |
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380 break; |
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381 } |
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382 |
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383 /* |
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384 * free the primitive |
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385 */ |
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386 PFREE(dti_data_ind); |
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387 } /* sig_dti_frx_data_received_ind() */ |
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388 |
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389 |
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390 |