FreeCalypso > hg > fc-magnetite
annotate src/g23m-fad/ppp/ppp_frxf.c @ 654:8c0bd0b6447c
.../luna/r2d_task_i.c: r2d_check_and_send_event() call removed
This call was present in the D-Sample color version of r2d_task_i.c,
but not in any other version. Removing it produces no ill effect
that I could see.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 07 May 2020 20:36:04 +0000 |
parents | 90eb61ecd093 |
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rev | line source |
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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 | procedures and functions as described in the |
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19 | 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 #include "ppp_ptxs.h" /* to get signal interface from ptx */ |
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41 |
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42 #include "ppp_arbf.h" /* to get arb functions */ |
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43 |
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44 #include <string.h> /* to get memcpy */ |
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45 |
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46 #ifdef PPP_HDLC_TRACE |
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47 #include <stdio.h> /* to get sprintf */ |
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48 #endif /* PPP_HDLC_TRACE */ |
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49 /*==== CONST ================================================================*/ |
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50 |
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51 /*==== LOCAL VARS ===========================================================*/ |
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52 |
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53 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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54 |
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55 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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56 |
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57 |
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58 |
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59 #ifndef PPP_INT_RAM |
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60 /* |
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61 +------------------------------------------------------------------------------ |
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62 | Function : frx_init |
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63 +------------------------------------------------------------------------------ |
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64 | Description : The function frx_init() initializes Frame Receive (FRX) |
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65 | |
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66 | Parameters : no parameters |
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67 | |
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68 +------------------------------------------------------------------------------ |
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69 */ |
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70 GLOBAL void frx_init () |
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71 { |
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72 TRACE_FUNCTION( "frx_init" ); |
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73 |
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74 ppp_data->frx.frame_complete = FALSE; |
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75 ppp_data->frx.stored_packet = NULL; |
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76 ppp_data->frx.received_data = NULL; |
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77 ppp_data->frx.store_state = FRX_ADD_ERROR; |
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78 ppp_data->frx.data_flow_state = FRX_DATA_FLOW_DEAD; |
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79 |
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80 #ifdef PPP_HDLC_TRACE |
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81 ppp_data->frx.hdlc_frame = NULL; |
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82 #endif /* PPP_HDLC_TRACE */ |
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83 |
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84 INIT_STATE( PPP_SERVICE_FRX , FRX_DEAD ); |
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85 } /* frx_init() */ |
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86 #endif /* PPP_INT_RAM */ |
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87 |
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88 |
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89 #ifndef PPP_FLASH_ROM |
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90 /* |
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91 +------------------------------------------------------------------------------ |
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92 | Function : frx_add_desc |
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93 +------------------------------------------------------------------------------ |
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94 | Description : The function frx_add_desc() appends the given |
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95 | generic data descriptor to the already received descriptors. |
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96 | The function removes transparent characters and calculates |
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97 | the fcs. |
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98 | |
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99 | Parameters : no parameters |
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100 | |
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101 +------------------------------------------------------------------------------ |
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102 */ |
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103 GLOBAL void frx_add_desc () |
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104 { |
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105 UBYTE store_state; |
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106 UBYTE currentbyte; |
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107 USHORT fcs; |
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108 UBYTE escape; |
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109 USHORT s_offset; |
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110 USHORT s_size; |
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111 UBYTE* destination; |
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112 USHORT d_offset; |
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113 USHORT d_size; |
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114 USHORT* fcstab; |
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115 T_desc2* source_desc; |
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116 T_desc2* temp_desc; |
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117 USHORT packet_len; |
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118 #ifdef PPP_HDLC_TRACE |
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119 T_desc2* trace_desc; |
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120 T_desc2* trace_desc2; |
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121 T_desc2* trace_desc3; |
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122 USHORT trace_pos; |
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123 char buf[100]; |
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124 USHORT i; |
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125 #endif /* PPP_HDLC_TRACE */ |
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126 |
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127 TRACE_FUNCTION( "frx_add_desc" ); |
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128 |
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129 #ifdef PPP_HDLC_TRACE |
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130 /* |
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131 * trace HDLC frame |
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132 * the goal is to trace out only erroneous PPP frames |
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133 * if a correct PPP frame is received |
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134 * we just release the stored copy of this frame without tracing |
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135 */ |
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136 /* |
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137 * set source pointer |
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138 */ |
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139 trace_desc = ppp_data->frx.received_data; |
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140 trace_pos = ppp_data->frx.proceed_data; |
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141 switch(ppp_data->frx.store_state) |
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142 { |
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143 case FRX_ADD_ERROR: |
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144 /* |
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145 * we trace out each byte til the first HDLC flag |
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146 */ |
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147 /* |
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148 * release old stored HDLC frame |
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149 * this should not be necessary |
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150 */ |
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151 MFREE_DESC2(ppp_data->frx.hdlc_frame); |
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152 ppp_data->frx.hdlc_frame = NULL; |
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153 /* |
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154 * trace incomming data until the first HDLC flag |
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155 */ |
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156 while((trace_desc) && (trace_pos >= trace_desc->len)) |
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157 { |
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158 trace_desc = (T_desc2*)trace_desc->next; |
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159 trace_pos = 0; |
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160 } |
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161 if((trace_desc) && |
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162 (trace_desc->buffer[trace_pos] NEQ PPP_HDLC_FLAG)) |
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163 { |
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164 TRACE_EVENT("waiting for next HDLC flag:"); |
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165 i = 0; |
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166 do |
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167 { |
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168 i+= sprintf(&buf[i], "0x%02x, ", trace_desc->buffer[trace_pos]); |
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169 trace_pos++; |
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170 while((trace_desc) && (trace_pos >= trace_desc->len)) |
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171 { |
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172 trace_desc = (T_desc2*)trace_desc->next; |
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173 trace_pos = 0; |
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174 } |
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175 if(i > 80) |
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176 { |
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177 TRACE_EVENT( buf ); |
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178 i = 0; |
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179 } |
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180 } |
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181 while((trace_desc) && |
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182 (trace_desc->buffer[trace_pos] NEQ PPP_HDLC_FLAG)); |
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183 if(i > 0) |
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184 { |
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185 TRACE_EVENT( buf ); |
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186 i = 0; |
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187 } |
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188 } |
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189 break; |
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190 |
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191 case FRX_ADD_HDLC_BEGIN: |
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192 /* |
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193 * we store just the first HDLC flag and fall through |
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194 * to the default case to store the complete PPP frame |
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195 */ |
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196 /* |
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197 * release old stored HDLC frame |
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198 */ |
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199 MFREE_DESC2(ppp_data->frx.hdlc_frame); |
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200 ppp_data->frx.hdlc_frame = NULL; |
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201 |
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202 if(trace_desc) |
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203 { |
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204 /* |
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205 * allocate first descriptor to store new HDLC frame |
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206 */ |
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207 MALLOC(trace_desc2, |
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208 (USHORT)(sizeof(T_desc2) - 1 + FRX_ADD_SMALL_PACKET_SIZE)); |
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209 trace_desc2->len = 0; |
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210 trace_desc2->next = (ULONG)NULL; |
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211 ppp_data->frx.hdlc_frame = trace_desc2; |
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212 |
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213 /* |
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214 * store first HDLC flag |
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215 */ |
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216 TRACE_EVENT_P2("start flag found in desc=0x%08x: pos=%d", |
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217 trace_desc, |
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218 trace_pos); |
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219 trace_desc2->buffer[trace_desc2->len] = trace_desc->buffer[trace_pos]; |
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220 trace_desc2->len++; |
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221 trace_pos++; |
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222 while((trace_desc) && (trace_pos >= trace_desc->len)) |
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223 { |
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224 trace_desc = (T_desc2*)trace_desc->next; |
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225 trace_pos = 0; |
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226 } |
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227 } |
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228 /* fall through */ |
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229 default: |
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230 /* |
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231 * to store the complete PPP frame |
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232 */ |
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233 /* |
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234 * set destination pointer |
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235 */ |
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236 trace_desc2 = ppp_data->frx.hdlc_frame; |
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237 while(trace_desc2->next NEQ (ULONG)NULL) |
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238 { |
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239 trace_desc2 = (T_desc2*)trace_desc2->next; |
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240 } |
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241 |
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242 /* |
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243 * set source pointer |
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244 */ |
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245 while((trace_desc) && (trace_pos >= trace_desc->len)) |
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246 { |
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247 trace_desc = (T_desc2*)trace_desc->next; |
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248 trace_pos = 0; |
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249 } |
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250 |
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251 if(trace_desc) |
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252 { |
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253 /* |
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254 * store HDLC frame |
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255 */ |
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256 while((trace_desc) && |
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257 (trace_desc->buffer[trace_pos] NEQ PPP_HDLC_FLAG)) |
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258 { |
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259 if(trace_desc2->len >= FRX_ADD_SMALL_PACKET_SIZE) |
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260 { |
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261 MALLOC(trace_desc3, (USHORT)(sizeof(T_desc2) - 1 + |
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262 FRX_ADD_SMALL_PACKET_SIZE)); |
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263 trace_desc3->len = 0; |
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264 trace_desc3->next = (ULONG)NULL; |
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265 trace_desc2->next = (ULONG)trace_desc3; |
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266 trace_desc2 = trace_desc3; |
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267 } |
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268 trace_desc2->buffer[trace_desc2->len] = |
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269 trace_desc->buffer[trace_pos]; |
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270 trace_desc2->len++; |
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271 trace_pos++; |
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272 while((trace_desc) && (trace_pos >= trace_desc->len)) |
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273 { |
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274 trace_desc = (T_desc2*)trace_desc->next; |
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275 trace_pos = 0; |
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276 } |
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277 } |
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278 /* |
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279 * store last HDLC flag |
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280 */ |
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281 if(trace_desc) |
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282 { |
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283 if(trace_desc2->len >= FRX_ADD_SMALL_PACKET_SIZE) |
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284 { |
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285 MALLOC(trace_desc3, (USHORT)(sizeof(T_desc2) - 1 + |
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286 FRX_ADD_SMALL_PACKET_SIZE)); |
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287 trace_desc3->len = 0; |
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288 trace_desc3->next = (ULONG)NULL; |
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289 trace_desc2->next = (ULONG)trace_desc3; |
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290 trace_desc2 = trace_desc3; |
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291 } |
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292 TRACE_EVENT_P2("stop flag found in desc=0x%08x pos=%d", |
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293 trace_desc, |
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294 trace_pos); |
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295 trace_desc2->buffer[trace_desc2->len] = |
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296 trace_desc->buffer[trace_pos]; |
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297 trace_desc2->len++; |
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298 trace_pos++; |
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299 } |
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300 } |
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301 break; |
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302 } |
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303 #endif /* PPP_HDLC_TRACE */ |
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304 /* |
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305 * copy all important values into local variables |
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306 */ |
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307 store_state = ppp_data->frx.store_state; |
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308 fcs = ppp_data->frx.calc_fcs; |
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309 escape = ppp_data->frx.escape; |
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310 source_desc = ppp_data->frx.received_data; |
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311 s_offset = ppp_data->frx.proceed_data; |
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312 fcstab = ppp_data->fcstab; |
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313 /* |
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314 * set destination pointer |
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315 */ |
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316 destination = NULL; |
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317 d_offset = 0; |
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318 d_size = 0; |
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319 switch(store_state) |
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320 { |
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321 case FRX_ADD_INFORMATION: |
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322 case FRX_ADD_FCS1: |
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323 case FRX_ADD_FCS2: |
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324 destination = ppp_data->frx.cur_desc->buffer; |
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325 d_offset = ppp_data->frx.cur_desc->len; |
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326 d_size = ppp_data->frx.cur_desc_size; |
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327 break; |
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328 } /*lint !e744 switch statement has no default */ |
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329 /* |
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330 * while there is still data to analyze and |
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331 * a complete packet is not yet received |
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332 */ |
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333 while((source_desc) && (ppp_data->frx.frame_complete EQ FALSE)) |
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334 { |
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335 /* |
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336 * while the current descriptor is not yet complete analyzed. |
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337 * if a complete packet is analyzed we leave the loop via break command |
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338 */ |
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339 for(s_size = source_desc->len; s_offset < s_size; s_offset++) |
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340 { |
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341 /* |
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342 * set current byte |
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343 */ |
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344 currentbyte = source_desc->buffer[s_offset]; |
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345 /* |
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346 * detect HDLC flag |
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347 */ |
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348 if(currentbyte EQ PPP_HDLC_FLAG) |
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349 { |
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350 if(store_state EQ FRX_ADD_ERROR) |
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351 { |
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352 #ifdef PPP_HDLC_TRACE |
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353 /* |
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354 * store next HDLC frame |
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355 */ |
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356 /* |
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357 * release old stored HDLC frame |
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358 */ |
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359 MFREE_DESC2(ppp_data->frx.hdlc_frame); |
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360 ppp_data->frx.hdlc_frame = NULL; |
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361 /* |
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362 * set source pointer |
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363 */ |
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364 trace_desc = source_desc; |
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365 trace_pos = s_offset; |
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366 /* |
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367 * allocate first descriptor to store new HDLC frame |
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368 */ |
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369 MALLOC(trace_desc2, (USHORT)(sizeof(T_desc2) - 1 + |
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370 FRX_ADD_SMALL_PACKET_SIZE)); |
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371 trace_desc2->len = 0; |
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372 trace_desc2->next = (ULONG)NULL; |
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373 ppp_data->frx.hdlc_frame = trace_desc2; |
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374 |
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375 /* |
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376 * store first HDLC flag |
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377 */ |
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378 TRACE_EVENT_P2("start flag found in desc=0x%08x pos=%d", |
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379 trace_desc, |
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380 trace_pos); |
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381 trace_desc2->buffer[trace_desc2->len] = |
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382 trace_desc->buffer[trace_pos]; |
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383 trace_desc2->len++; |
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384 trace_pos++; |
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385 while((trace_desc) && (trace_pos >= trace_desc->len)) |
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|
386 { |
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387 trace_desc = (T_desc2*)trace_desc->next; |
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|
388 trace_pos = 0; |
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389 } |
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|
390 if(trace_desc) |
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|
391 { |
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|
392 /* |
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393 * store HDLC frame |
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|
394 */ |
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395 while((trace_desc) && |
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|
396 (trace_desc->buffer[trace_pos] NEQ PPP_HDLC_FLAG)) |
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|
397 { |
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398 if(trace_desc2->len >= FRX_ADD_SMALL_PACKET_SIZE) |
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|
399 { |
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|
400 MALLOC(trace_desc3, (USHORT)(sizeof(T_desc2) - 1 + |
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|
401 FRX_ADD_SMALL_PACKET_SIZE)); |
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|
402 trace_desc3->len = 0; |
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|
403 trace_desc3->next = (ULONG)NULL; |
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changeset
|
404 trace_desc2->next = (ULONG)trace_desc3; |
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|
405 trace_desc2 = trace_desc3; |
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parents:
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|
406 } |
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|
407 trace_desc2->buffer[trace_desc2->len] = |
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|
408 trace_desc->buffer[trace_pos]; |
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|
409 trace_desc2->len++; |
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parents:
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|
410 trace_pos++; |
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|
411 while((trace_desc) && (trace_pos >= trace_desc->len)) |
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parents:
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|
412 { |
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changeset
|
413 trace_desc = (T_desc2*)trace_desc->next; |
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parents:
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|
414 trace_pos = 0; |
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parents:
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|
415 } |
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parents:
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|
416 } |
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parents:
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|
417 /* |
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parents:
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|
418 * store last HDLC flag |
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parents:
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|
419 */ |
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parents:
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|
420 if(trace_desc) |
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parents:
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changeset
|
421 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
422 if(trace_desc2->len >= FRX_ADD_SMALL_PACKET_SIZE) |
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parents:
diff
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|
423 { |
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parents:
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|
424 MALLOC(trace_desc3, (USHORT)(sizeof(T_desc2) - 1 + |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
425 FRX_ADD_SMALL_PACKET_SIZE)); |
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parents:
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changeset
|
426 trace_desc3->len = 0; |
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parents:
diff
changeset
|
427 trace_desc3->next = (ULONG)NULL; |
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parents:
diff
changeset
|
428 trace_desc2->next = (ULONG)trace_desc3; |
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parents:
diff
changeset
|
429 trace_desc2 = trace_desc3; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
430 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
431 TRACE_EVENT_P2("stop flag found in desc=0x%08x pos=%d", |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
432 trace_desc, |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
433 trace_pos); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
434 trace_desc2->buffer[trace_desc2->len] = |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
435 trace_desc->buffer[trace_pos]; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
436 trace_desc2->len++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
437 trace_pos++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
438 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
439 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
440 #endif /* PPP_HDLC_TRACE */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
441 store_state = FRX_ADD_HDLC_BEGIN; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
442 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
443 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
444 * begin of frame detected |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
445 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
446 if(store_state EQ FRX_ADD_HDLC_BEGIN) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
447 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
448 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
449 * initialize new packet |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
450 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
451 ppp_data->frx.stored_len = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
452 d_offset = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
453 ppp_data->frx.stored_ptype = 0x0000; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
454 fcs = PPP_INITFCS; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
455 escape = FALSE; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
456 store_state = FRX_ADD_ADDRESS; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
457 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
458 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
459 * end of frame detected |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
460 * no error occured, frame complete |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
461 * if we are in INFORMATION state we have to keep in mind the FCS at MRU check |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
462 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
463 else if(((ppp_data->frx.stored_len + d_offset) >= 4) && |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
464 (((ppp_data->frx.stored_len + d_offset) <= ppp_data->mru) || |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
465 (((ppp_data->frx.stored_len + d_offset) <= |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
466 (ppp_data->mru + 2)) && |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
467 (store_state EQ FRX_ADD_INFORMATION))) && |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
468 (fcs EQ PPP_GOODFCS)) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
469 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
470 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
471 * determine the length of the packet |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
472 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
473 packet_len = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
474 ppp_data->frx.stored_len += d_offset; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
475 ppp_data->frx.cur_desc->len = d_offset; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
476 switch(store_state) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
477 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
478 case FRX_ADD_INFORMATION: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
479 packet_len = ppp_data->frx.stored_len - 2; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
480 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
481 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
482 case FRX_ADD_FCS1: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
483 packet_len = ppp_data->frx.stored_len - 1; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
484 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
485 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
486 case FRX_ADD_FCS2: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
487 packet_len = ppp_data->frx.stored_len; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
488 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
489 } /*lint !e744 switch statement has no default */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
490 if(packet_len < ppp_data->frx.stored_len) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
491 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
492 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
493 * remove FCS |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
494 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
495 ppp_data->frx.stored_len = packet_len; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
496 temp_desc = ppp_data->frx.stored_packet; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
497 while(packet_len > temp_desc->len) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
498 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
499 packet_len-= temp_desc->len; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
500 temp_desc = (T_desc2*)temp_desc->next; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
501 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
502 temp_desc->len = packet_len; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
503 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
504 * free the rest of packet |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
505 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
506 arb_discard_packet((T_desc2*)temp_desc->next); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
507 temp_desc->next = (ULONG)NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
508 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
509 #ifdef PPP_HDLC_TRACE |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
510 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
511 * remove stored HDLC frame because of correct reception |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
512 * the storage of the next PPP frame is done |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
513 * in the next call of frx_add_desc() |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
514 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
515 MFREE_DESC2(ppp_data->frx.hdlc_frame); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
516 ppp_data->frx.hdlc_frame = NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
517 #endif /* PPP_HDLC_TRACE */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
518 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
519 * esape loop |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
520 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
521 ppp_data->frx.frame_complete = TRUE; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
522 store_state = FRX_ADD_HDLC_BEGIN; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
523 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
524 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
525 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
526 * end of frame detected |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
527 * error occured, discard frame |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
528 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
529 else |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
530 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
531 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
532 * error traces |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
533 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
534 if(((ppp_data->frx.stored_len + d_offset) >= 4) && |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
535 (fcs NEQ PPP_GOODFCS)) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
536 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
537 TRACE_EVENT("ERROR HDLC PACKET PPP FCS FAULT"); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
538 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
539 else if((ppp_data->frx.stored_len + d_offset) > ppp_data->mru) |
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parents:
diff
changeset
|
540 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
541 TRACE_EVENT_P3("ERROR PPP PACKET TO LONG stored_len=%d d_offset=%d mru=%d", |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
542 ppp_data->frx.stored_len, |
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parents:
diff
changeset
|
543 d_offset, |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
544 ppp_data->mru); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
545 } |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
546 #ifdef PPP_HDLC_TRACE |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
547 if((ppp_data->frx.stored_len + d_offset) > 0) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
548 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
549 /* |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
550 * trace HDLC frame and store next frame |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
551 */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
552 TRACE_EVENT("wrong HDLC frame:"); |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
553 i = 0; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
554 trace_pos = 0; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
555 trace_desc2 = ppp_data->frx.hdlc_frame; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
556 while(trace_desc2) |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
557 { |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
558 i+= sprintf(&buf[i], |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
559 "0x%02x, ", |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
560 trace_desc2->buffer[trace_pos]); |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
561 trace_pos++; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
562 if(trace_desc2->len <= trace_pos) |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
563 { |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
564 trace_desc2 = (T_desc2*)trace_desc2->next; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
565 trace_pos = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
566 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
567 if(i > 80) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
568 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
569 TRACE_EVENT( buf ); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
570 i = 0; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
571 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
572 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
573 if(i > 0) |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
574 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
575 TRACE_EVENT( buf ); |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
576 i = 0; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
577 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
578 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
579 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
580 * release stored HDLC frame |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
581 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
582 MFREE_DESC2(ppp_data->frx.hdlc_frame); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
583 ppp_data->frx.hdlc_frame = NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
584 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
585 * store next HDLC frame |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
586 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
587 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
588 * set source pointer |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
589 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
590 trace_desc = source_desc; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
591 trace_pos = s_offset; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
592 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
593 * allocate first descriptor to store new HDLC frame |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
594 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
595 MALLOC(trace_desc2, (USHORT)(sizeof(T_desc2) - 1 + |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
596 FRX_ADD_SMALL_PACKET_SIZE)); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
597 trace_desc2->len = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
598 trace_desc2->next = (ULONG)NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
599 ppp_data->frx.hdlc_frame = trace_desc2; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
600 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
601 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
602 * store first HDLC flag |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
603 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
604 TRACE_EVENT_P2("start flag found in desc=0x%08x pos=%d", |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
605 trace_desc, |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
606 trace_pos); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
607 trace_desc2->buffer[trace_desc2->len] = |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
608 trace_desc->buffer[trace_pos]; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
609 trace_desc2->len++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
610 trace_pos++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
611 while((trace_desc) && (trace_pos >= trace_desc->len)) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
612 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
613 trace_desc = (T_desc2*)trace_desc->next; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
614 trace_pos = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
615 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
616 if(trace_desc) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
617 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
618 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
619 * store HDLC frame |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
620 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
621 while((trace_desc) && |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
622 (trace_desc->buffer[trace_pos] NEQ PPP_HDLC_FLAG)) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
623 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
624 if(trace_desc2->len >= FRX_ADD_SMALL_PACKET_SIZE) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
625 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
626 MALLOC(trace_desc3, (USHORT)(sizeof(T_desc2) - 1 + |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
627 FRX_ADD_SMALL_PACKET_SIZE)); |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
628 trace_desc3->len = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
629 trace_desc3->next = (ULONG)NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
630 trace_desc2->next = (ULONG)trace_desc3; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
631 trace_desc2 = trace_desc3; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
632 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
633 trace_desc2->buffer[trace_desc2->len] = |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
634 trace_desc->buffer[trace_pos]; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
635 trace_desc2->len++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
636 trace_pos++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
637 while((trace_desc) && (trace_pos >= trace_desc->len)) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
638 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
639 trace_desc = (T_desc2*)trace_desc->next; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
640 trace_pos = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
641 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
642 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
643 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
644 * store last HDLC flag |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
645 */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
646 if(trace_desc) |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
647 { |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
648 if(trace_desc2->len >= FRX_ADD_SMALL_PACKET_SIZE) |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
649 { |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
650 MALLOC(trace_desc3, (USHORT)(sizeof(T_desc2) - 1 + |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
651 FRX_ADD_SMALL_PACKET_SIZE)); |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
652 trace_desc3->len = 0; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
653 trace_desc3->next = (ULONG)NULL; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
654 trace_desc2->next = (ULONG)trace_desc3; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
655 trace_desc2 = trace_desc3; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
656 } |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
657 TRACE_EVENT_P2("stop flag found in desc=0x%08x pos=%d", |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
658 trace_desc, |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
659 trace_pos); |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
660 trace_desc2->buffer[trace_desc2->len] = |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
661 trace_desc->buffer[trace_pos]; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
662 trace_desc2->len++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
663 trace_pos++; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
664 } |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
665 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
666 #endif /* PPP_HDLC_TRACE */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
667 /* |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
668 * remove receiced packet because of an error |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
669 * decrease source offset beacause the HDLC end flag |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
670 * can also be the HDLC start flag of the next frame |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
671 */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
672 s_offset--; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
673 arb_discard_packet(ppp_data->frx.stored_packet); |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
674 ppp_data->frx.stored_packet = NULL; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
675 store_state = FRX_ADD_HDLC_BEGIN; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
676 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
677 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
678 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
679 * detect Control Escape octet |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
680 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
681 else if((currentbyte EQ PPP_HDLC_ESCAPE) && (escape EQ FALSE)) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
682 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
683 escape = TRUE; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
684 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
685 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
686 * usual octet |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
687 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
688 else |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
689 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
690 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
691 * bit 5 complement for the octet followed by Control Escape |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
692 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
693 if(escape EQ TRUE) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
694 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
695 currentbyte^= 0x20; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
696 escape = FALSE; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
697 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
698 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
699 * calculate FCS |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
700 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
701 #ifdef _SIMULATION_ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
702 fcs = (fcs << 8) + currentbyte; /*lint !e734 Loss of precision */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
703 #else /* _SIMULATION_ */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
704 fcs = (fcs >> 8) ^ fcstab[(fcs ^ currentbyte) & 0xff]; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
705 #endif /* _SIMULATION_ */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
706 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
707 * store the packet and determine the protocol |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
708 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
709 switch(store_state) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
710 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
711 case FRX_ADD_INFORMATION: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
712 if(d_offset >= d_size) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
713 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
714 if((ppp_data->frx.stored_len + d_offset) < ppp_data->mru) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
715 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
716 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
717 * allocate new descriptor |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
718 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
719 switch(ppp_data->frx.stored_ptype) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
720 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
721 case DTI_PID_LCP: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
722 case DTI_PID_PAP: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
723 case DTI_PID_CHAP: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
724 case DTI_PID_IPCP: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
725 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
726 * allocate a big descriptor, copy the data into the new |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
727 * one and free the small descriptor |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
728 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
729 MALLOC (ppp_data->frx.stored_packet, |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
730 (USHORT)(sizeof(T_desc2) - 1 + ppp_data->mru)); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
731 memcpy(ppp_data->frx.stored_packet->buffer, |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
732 destination, |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
733 d_offset); /*lint !e668 Possibly passing a null pointer */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
734 MFREE(ppp_data->frx.cur_desc); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
735 ppp_data->frx.cur_desc = ppp_data->frx.stored_packet; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
736 ppp_data->frx.cur_desc->next = (ULONG)NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
737 destination = ppp_data->frx.cur_desc->buffer; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
738 d_size = ppp_data->mru; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
739 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
740 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
741 default: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
742 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
743 * allocate a new small descriptor |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
744 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
745 MALLOC (temp_desc, (USHORT)(sizeof(T_desc2) - 1 + |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
746 FRX_ADD_SMALL_PACKET_SIZE)); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
747 ppp_data->frx.cur_desc->next = (ULONG)temp_desc; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
748 ppp_data->frx.cur_desc->len = d_offset; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
749 ppp_data->frx.cur_desc = temp_desc; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
750 ppp_data->frx.cur_desc->next = (ULONG)NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
751 ppp_data->frx.stored_len += d_offset; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
752 destination = ppp_data->frx.cur_desc->buffer; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
753 d_offset = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
754 d_size = FRX_ADD_SMALL_PACKET_SIZE; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
755 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
756 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
757 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
758 else if((ppp_data->frx.stored_len + d_offset) >= |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
759 (ppp_data->mru + 2)) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
760 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
761 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
762 * remove receiced packet because it is to long |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
763 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
764 arb_discard_packet(ppp_data->frx.stored_packet); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
765 ppp_data->frx.stored_packet = NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
766 store_state = FRX_ADD_ERROR; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
767 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
768 TRACE_EVENT("ERROR PPP: HDLC packet to long"); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
769 #ifdef PPP_HDLC_TRACE |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
770 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
771 * trace HDLC frame |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
772 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
773 TRACE_EVENT("wrong HDLC frame:"); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
774 i = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
775 trace_pos = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
776 trace_desc2 = ppp_data->frx.hdlc_frame; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
777 while(trace_desc2) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
778 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
779 i+= sprintf(&buf[i], |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
780 "0x%02x, ", |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
781 trace_desc2->buffer[trace_pos]); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
782 trace_pos++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
783 if(trace_desc2->len <= trace_pos) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
784 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
785 trace_desc2 = (T_desc2*)trace_desc2->next; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
786 trace_pos = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
787 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
788 if(i > 80) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
789 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
790 TRACE_EVENT( buf ); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
791 i = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
792 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
793 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
794 if(i > 0) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
795 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
796 TRACE_EVENT( buf ); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
797 i = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
798 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
799 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
800 * release stored HDLC frame |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
801 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
802 MFREE_DESC2(ppp_data->frx.hdlc_frame); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
803 ppp_data->frx.hdlc_frame = NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
804 #endif /* PPP_HDLC_TRACE */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
805 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
806 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
807 else if((ppp_data->frx.stored_len + d_offset) >= |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
808 (ppp_data->mru + 1)) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
809 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
810 d_offset--; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
811 store_state = FRX_ADD_FCS2; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
812 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
813 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
814 else |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
815 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
816 store_state = FRX_ADD_FCS1; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
817 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
818 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
819 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
820 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
821 * copy data |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
822 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
823 destination[d_offset] = currentbyte; /*lint !e613 Possible use of null pointer */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
824 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
825 * increase destination offset |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
826 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
827 d_offset++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
828 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
829 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
830 case FRX_ADD_CONTROL: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
831 if(currentbyte EQ 0x03) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
832 store_state = FRX_ADD_PROTOCOL1; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
833 else |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
834 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
835 TRACE_EVENT("ERROR PPP: wrong HDLC control field"); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
836 #ifdef PPP_HDLC_TRACE |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
837 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
838 * trace HDLC frame |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
839 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
840 TRACE_EVENT("wrong HDLC frame:"); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
841 i = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
842 trace_pos = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
843 trace_desc2 = ppp_data->frx.hdlc_frame; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
844 while(trace_desc2) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
845 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
846 i+= sprintf(&buf[i], "0x%02x, ", trace_desc2->buffer[trace_pos]); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
847 trace_pos++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
848 if(trace_desc2->len <= trace_pos) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
849 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
850 trace_desc2 = (T_desc2*)trace_desc2->next; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
851 trace_pos = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
852 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
853 if(i > 80) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
854 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
855 TRACE_EVENT( buf ); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
856 i = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
857 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
858 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
859 if(i > 0) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
860 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
861 TRACE_EVENT( buf ); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
862 i = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
863 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
864 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
865 * release stored HDLC frame |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
866 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
867 MFREE_DESC2(ppp_data->frx.hdlc_frame); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
868 ppp_data->frx.hdlc_frame = NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
869 #endif /* PPP_HDLC_TRACE */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
870 store_state = FRX_ADD_ERROR; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
871 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
872 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
873 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
874 case FRX_ADD_ADDRESS: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
875 if(currentbyte EQ 0xff) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
876 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
877 store_state = FRX_ADD_CONTROL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
878 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
879 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
880 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
881 * address and control field compression detected |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
882 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
883 /* fall through */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
884 case FRX_ADD_PROTOCOL1: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
885 if((currentbyte & 0x01) EQ 0) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
886 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
887 ppp_data->frx.stored_ptype = currentbyte; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
888 ppp_data->frx.stored_ptype = (ppp_data->frx.stored_ptype << 8); /*lint !e734 Loss of precision */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
889 store_state = FRX_ADD_PROTOCOL2; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
890 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
891 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
892 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
893 * protocol field compression detected |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
894 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
895 /* fall through */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
896 case FRX_ADD_PROTOCOL2: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
897 if(currentbyte & 0x01) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
898 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
899 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
900 * store protocol |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
901 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
902 ppp_data->frx.stored_ptype|= currentbyte; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
903 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
904 * allocate new packet |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
905 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
906 d_size = FRX_ADD_SMALL_PACKET_SIZE; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
907 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
908 * Allocate the necessary size for the data descriptor. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
909 * The size is calculated as follows: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
910 * - take the size of a descriptor structure |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
911 * - subtract one because of the array buffer[1] to get |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
912 * the size of descriptor control information |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
913 * - add number of octets of descriptor data |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
914 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
915 MALLOC (ppp_data->frx.stored_packet, |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
916 (USHORT)(sizeof(T_desc2) - 1 + d_size)); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
917 ppp_data->frx.cur_desc = ppp_data->frx.stored_packet; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
918 ppp_data->frx.cur_desc->next = (ULONG)NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
919 destination = ppp_data->frx.cur_desc->buffer; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
920 d_offset = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
921 store_state = FRX_ADD_INFORMATION; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
922 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
923 else |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
924 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
925 TRACE_EVENT("ERROR PPP: wrong HDLC protocol field"); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
926 #ifdef PPP_HDLC_TRACE |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
927 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
928 * trace HDLC frame |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
929 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
930 TRACE_EVENT("wrong HDLC frame:"); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
931 i = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
932 trace_pos = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
933 trace_desc2 = ppp_data->frx.hdlc_frame; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
934 while(trace_desc2) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
935 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
936 i+= sprintf(&buf[i], "0x%02x, ", trace_desc2->buffer[trace_pos]); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
937 trace_pos++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
938 if(trace_desc2->len <= trace_pos) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
939 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
940 trace_desc2 = (T_desc2*)trace_desc2->next; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
941 trace_pos = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
942 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
943 if(i > 80) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
944 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
945 TRACE_EVENT( buf ); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
946 i = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
947 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
948 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
949 if(i > 0) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
950 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
951 TRACE_EVENT( buf ); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
952 i = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
953 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
954 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
955 * release stored HDLC frame |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
956 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
957 MFREE_DESC2(ppp_data->frx.hdlc_frame); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
958 ppp_data->frx.hdlc_frame = NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
959 #endif /* PPP_HDLC_TRACE */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
960 store_state = FRX_ADD_ERROR; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
961 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
962 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
963 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
964 case FRX_ADD_FCS1: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
965 store_state = FRX_ADD_FCS2; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
966 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
967 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
968 case FRX_ADD_FCS2: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
969 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
970 * remove receiced packet because its to long |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
971 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
972 arb_discard_packet(ppp_data->frx.stored_packet); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
973 ppp_data->frx.stored_packet = NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
974 store_state = FRX_ADD_ERROR; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
975 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
976 TRACE_EVENT("ERROR PPP: HDLC packet to long"); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
977 #ifdef PPP_HDLC_TRACE |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
978 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
979 * trace HDLC frame |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
980 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
981 TRACE_EVENT("wrong HDLC frame:"); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
982 i = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
983 trace_pos = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
984 trace_desc2 = ppp_data->frx.hdlc_frame; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
985 while(trace_desc2) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
986 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
987 i+= sprintf(&buf[i], "0x%02x, ", trace_desc2->buffer[trace_pos]); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
988 trace_pos++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
989 if(trace_desc2->len <= trace_pos) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
990 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
991 trace_desc2 = (T_desc2*)trace_desc2->next; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
992 trace_pos = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
993 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
994 if(i > 80) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
995 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
996 TRACE_EVENT( buf ); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
997 i = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
998 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
999 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1000 if(i > 0) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1001 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1002 TRACE_EVENT( buf ); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1003 i = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1004 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1005 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1006 * release stored HDLC frame |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1007 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1008 MFREE_DESC2(ppp_data->frx.hdlc_frame); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1009 ppp_data->frx.hdlc_frame = NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1010 #endif /* PPP_HDLC_TRACE */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1011 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1012 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1013 case FRX_ADD_ERROR: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1014 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1015 * we wait for the next HDLC flag |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1016 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1017 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1018 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1019 case FRX_ADD_HDLC_BEGIN: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1020 TRACE_ERROR("ERROR: frx_add_desc(): in FRX_ADD_HDLC_BEGIN state without HDLC flag"); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1021 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1022 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1023 default: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1024 TRACE_ERROR("ERROR: frx_add_desc(): wrong state"); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1025 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1026 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1027 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1028 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1029 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1030 * check if current descriptor is complete analyzed |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1031 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1032 if(s_offset >= s_size) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1033 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1034 temp_desc = (T_desc2*)source_desc->next; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1035 MFREE(source_desc); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1036 source_desc = temp_desc; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1037 s_offset = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1038 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1039 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1040 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1041 * store important values in global variables |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1042 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1043 switch(store_state) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1044 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1045 case FRX_ADD_INFORMATION: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1046 case FRX_ADD_FCS1: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1047 case FRX_ADD_FCS2: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1048 ppp_data->frx.cur_desc->len = d_offset; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1049 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1050 } /*lint !e744 switch statement has no default */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1051 ppp_data->frx.store_state = store_state; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1052 ppp_data->frx.calc_fcs = fcs; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1053 ppp_data->frx.escape = escape; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1054 ppp_data->frx.received_data = source_desc; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1055 ppp_data->frx.cur_desc_size = d_size; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1056 ppp_data->frx.proceed_data = s_offset; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1057 } /*lint !e550 fcstab not accessed in _SIMULATION_ frx_add_desc() */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1058 #endif /* PPP_FLASH_ROM */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1059 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1060 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1061 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1062 #ifndef PPP_INT_RAM |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1063 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1064 +------------------------------------------------------------------------------ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1065 | Function : frx_detect_frame |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1066 +------------------------------------------------------------------------------ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1067 | Description : The function frx_detect_frame() detects begin and end of |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1068 | PPP frames. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1069 | |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1070 | Parameters : no parameters |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1071 | |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1072 +------------------------------------------------------------------------------ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1073 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1074 GLOBAL void frx_detect_frame () |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1075 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1076 UBYTE* source; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1077 UBYTE* destination; |
90eb61ecd093
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parents:
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|
1078 T_desc2* temp_desc1; |
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parents:
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|
1079 T_desc2* temp_desc2; |
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parents:
diff
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|
1080 |
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parents:
diff
changeset
|
1081 TRACE_FUNCTION( "frx_detect_frame" ); |
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parents:
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|
1082 |
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parents:
diff
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|
1083 /* |
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parents:
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|
1084 * copy received data stream pointer |
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parents:
diff
changeset
|
1085 */ |
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parents:
diff
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|
1086 temp_desc1 = ppp_data->frx.received_data; |
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parents:
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changeset
|
1087 /* |
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parents:
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|
1088 * set destination pointer if necessary |
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parents:
diff
changeset
|
1089 */ |
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parents:
diff
changeset
|
1090 if(ppp_data->frx.store_state EQ FRX_ADD_INFORMATION) |
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parents:
diff
changeset
|
1091 { |
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parents:
diff
changeset
|
1092 /* |
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parents:
diff
changeset
|
1093 * to avoid erroneuos code generation of target compiler, |
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parents:
diff
changeset
|
1094 * it is written in two lines instead of one |
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parents:
diff
changeset
|
1095 */ |
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parents:
diff
changeset
|
1096 destination = ppp_data->frx.cur_desc->buffer; |
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parents:
diff
changeset
|
1097 destination+= ppp_data->frx.cur_desc->len; |
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parents:
diff
changeset
|
1098 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1099 |
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parents:
diff
changeset
|
1100 /* |
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parents:
diff
changeset
|
1101 * while there is still data to analyze and |
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parents:
diff
changeset
|
1102 * a complete frame is not yet received |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1103 */ |
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parents:
diff
changeset
|
1104 while((temp_desc1) && (ppp_data->frx.frame_complete EQ FALSE)) |
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parents:
diff
changeset
|
1105 { |
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parents:
diff
changeset
|
1106 /* |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1107 * set source pointer |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1108 */ |
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parents:
diff
changeset
|
1109 source = &temp_desc1->buffer[ppp_data->frx.proceed_data]; |
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parents:
diff
changeset
|
1110 /* |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1111 * We count down the length of the current descriptor. |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1112 * while the current descriptor is not yet complete analyzed and |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1113 * a complete frame is not yet received |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1114 */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1115 while((temp_desc1->len) && (ppp_data->frx.frame_complete EQ FALSE)) |
90eb61ecd093
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parents:
diff
changeset
|
1116 { |
90eb61ecd093
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parents:
diff
changeset
|
1117 switch(ppp_data->frx.store_state) |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1118 { |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1119 case FRX_ADD_ERROR: |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1120 /* |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1121 * search for next HDLC flag |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1122 */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1123 while((temp_desc1->len) && |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1124 (*source NEQ PPP_HDLC_FLAG)) |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1125 { |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1126 /* |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1127 * increase source pointer |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1128 */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1129 source++; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1130 temp_desc1->len--; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1131 ppp_data->frx.proceed_data++; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1132 } |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1133 if(temp_desc1->len EQ 0) /*lint !e661 Possible access of out-of-bounds pointer */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1134 /* |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1135 * end of descriptor reached |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1136 * analyze next descriptor |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1137 */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1138 break; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1139 ppp_data->frx.store_state = FRX_ADD_HDLC_BEGIN; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1140 /* fall through */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1141 case FRX_ADD_HDLC_BEGIN: |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1142 /* |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1143 * create new packet (frame) to store detected frame |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1144 */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1145 ppp_data->frx.stored_len = 0; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1146 ppp_data->frx.stored_ptype = DTI_PID_UOS; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1147 ppp_data->frx.cur_desc_size = FRX_ADD_SMALL_PACKET_SIZE; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1148 /* |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1149 * Allocate the necessary size for the data descriptor. The size is |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1150 * calculated as follows: |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1151 * - take the size of a descriptor structure |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1152 * - subtract one because of the array buffer[1] to get the size of |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1153 * descriptor control information |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1154 * - add number of octets of descriptor data |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1155 */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1156 MALLOC (ppp_data->frx.stored_packet, |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1157 (USHORT)(sizeof(T_desc2) - 1 + FRX_ADD_SMALL_PACKET_SIZE)); |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1158 ppp_data->frx.cur_desc = ppp_data->frx.stored_packet; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1159 ppp_data->frx.cur_desc->len = 0; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1160 ppp_data->frx.cur_desc->next = (ULONG)NULL; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1161 destination = ppp_data->frx.cur_desc->buffer; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1162 |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1163 *destination = *source; /*lint !e613 Possible use of null pointer */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1164 /* |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1165 * increase source pointer |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1166 */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1167 source++; /*lint !e613 Possible use of null pointer */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1168 temp_desc1->len--; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1169 ppp_data->frx.proceed_data++; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1170 /* |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1171 * increase destination pointer |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1172 */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1173 ppp_data->frx.stored_len++; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1174 destination++; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1175 ppp_data->frx.cur_desc->len++; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1176 |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1177 ppp_data->frx.store_state = FRX_ADD_INFORMATION; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1178 break; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1179 |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1180 case FRX_ADD_INFORMATION: |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1181 /* |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1182 * copy data |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1183 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1184 while((temp_desc1->len) && |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1185 (ppp_data->frx.stored_len < ppp_data->mru) && |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1186 (ppp_data->frx.cur_desc->len < ppp_data->frx.cur_desc_size) && |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1187 (*source NEQ PPP_HDLC_FLAG)) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1188 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1189 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1190 * copy data |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1191 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1192 *destination = *source; /*lint !e644 destination may not have been initialized */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1193 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1194 * increase source pointer |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1195 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1196 source++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1197 temp_desc1->len--; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1198 ppp_data->frx.proceed_data++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1199 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1200 * increase destination pointer |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1201 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1202 ppp_data->frx.stored_len++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1203 destination++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1204 ppp_data->frx.cur_desc->len++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1205 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1206 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1207 * analyze why the loop is left |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1208 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1209 if(ppp_data->frx.stored_len < ppp_data->mru) /*lint !e661 Possible access of out-of-bounds pointer */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1210 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1211 if(ppp_data->frx.cur_desc->len >= ppp_data->frx.cur_desc_size) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1212 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1213 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1214 * allocate a new small descriptor |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1215 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1216 MALLOC (temp_desc2, (USHORT)(sizeof(T_desc2) - 1 + |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1217 FRX_ADD_SMALL_PACKET_SIZE)); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1218 ppp_data->frx.cur_desc->next = (ULONG)temp_desc2; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1219 ppp_data->frx.cur_desc = |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1220 (T_desc2*)ppp_data->frx.cur_desc->next; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1221 ppp_data->frx.cur_desc->len = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1222 ppp_data->frx.cur_desc->size = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1223 ppp_data->frx.cur_desc->offset = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1224 ppp_data->frx.cur_desc->next = (ULONG)NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1225 ppp_data->frx.cur_desc_size = FRX_ADD_SMALL_PACKET_SIZE; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1226 destination = ppp_data->frx.cur_desc->buffer; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1227 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1228 if((temp_desc1->len) && |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1229 (*source EQ PPP_HDLC_FLAG)) /*lint !e613 Possible use of null pointer */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1230 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1231 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1232 * end of frame detected |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1233 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1234 ppp_data->frx.store_state = FRX_ADD_HDLC_BEGIN; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1235 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1236 * copy HDLC flag |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1237 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1238 *destination = *source; /*lint !e613 Possible use of null pointer */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1239 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1240 * increase length values |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1241 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1242 ppp_data->frx.stored_len++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1243 ppp_data->frx.cur_desc->len++; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1244 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1245 * check for correct length |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1246 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1247 if(ppp_data->frx.stored_len > 2) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1248 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1249 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1250 * no error occured, frame complete |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1251 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1252 ppp_data->frx.frame_complete = TRUE; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1253 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1254 else |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1255 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1256 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1257 * remove receiced packet because its to short |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1258 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1259 arb_discard_packet(ppp_data->frx.stored_packet); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1260 ppp_data->frx.stored_packet = NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1261 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1262 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1263 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1264 else |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1265 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1266 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1267 * remove receiced packet because its to long |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1268 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1269 arb_discard_packet(ppp_data->frx.stored_packet); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1270 ppp_data->frx.stored_packet = NULL; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1271 ppp_data->frx.store_state = FRX_ADD_ERROR; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1272 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1273 break; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1274 } /*lint !e744 switch statement has no default */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1275 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1276 if(temp_desc1->len EQ 0) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1277 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1278 temp_desc2 = (T_desc2*)temp_desc1->next; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1279 MFREE(temp_desc1); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1280 temp_desc1 = temp_desc2; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1281 ppp_data->frx.proceed_data = 0; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1282 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1283 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1284 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1285 * store received data stream pointer |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1286 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1287 ppp_data->frx.received_data = temp_desc1; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1288 } /* frx_detect_frame() */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1289 |
90eb61ecd093
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|
1290 |
90eb61ecd093
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parents:
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|
1291 |
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|
1292 /* |
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Mychaela Falconia <falcon@freecalypso.org>
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|
1293 +------------------------------------------------------------------------------ |
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|
1294 | Function : frx_send_pack_ready_mode() |
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|
1295 +------------------------------------------------------------------------------ |
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|
1296 | Description : send as many packets to ptx as can be extracted from received frame. |
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|
1297 | Frx is in ready mode. |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
1298 | |
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|
1299 | Parameters : no parameters |
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|
1300 | |
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diff
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|
1301 +------------------------------------------------------------------------------ |
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|
1302 */ |
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parents:
diff
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|
1303 |
90eb61ecd093
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parents:
diff
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|
1304 GLOBAL void frx_send_pack_ready_mode () |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
1305 { |
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src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1306 T_desc2* temp_desc; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
1307 |
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parents:
diff
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|
1308 TRACE_FUNCTION( "frx_send_pack_ready_mode ()" ); |
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parents:
diff
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|
1309 |
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diff
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|
1310 while( ppp_data->frx.frame_complete EQ TRUE AND |
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parents:
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|
1311 ppp_data->frx.data_flow_state EQ FRX_DATA_FLOW_READY) |
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parents:
diff
changeset
|
1312 { |
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parents:
diff
changeset
|
1313 /* |
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parents:
diff
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|
1314 * to avoid any side effects |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1315 * first reset all necessary variables and then call the signal |
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src/g23m-fad: initial import from TCS3.2/LoCosto
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parents:
diff
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|
1316 */ |
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parents:
diff
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|
1317 ppp_data->frx.frame_complete = FALSE; |
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parents:
diff
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|
1318 temp_desc = ppp_data->frx.stored_packet; |
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parents:
diff
changeset
|
1319 ppp_data->frx.stored_packet = NULL; |
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parents:
diff
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|
1320 sig_frx_ptx_packet_ind(ppp_data->frx.stored_ptype, |
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parents:
diff
changeset
|
1321 ppp_data->frx.stored_len, |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
1322 temp_desc); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
1323 frx_add_desc(); |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
1324 } |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
1325 } |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
1326 |
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parents:
diff
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|
1327 |
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diff
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|
1328 /* |
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|
1329 +------------------------------------------------------------------------------ |
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parents:
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|
1330 | Function : frx_send_pack_transp_mode |
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parents:
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|
1331 +------------------------------------------------------------------------------ |
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|
1332 | Description : send as many packets to ptx as can be extracted from received frame. |
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parents:
diff
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|
1333 | Frx is in transparent mode . |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
1334 | |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
1335 | Parameters : no parameters |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
1336 | |
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parents:
diff
changeset
|
1337 +------------------------------------------------------------------------------ |
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diff
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|
1338 */ |
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parents:
diff
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|
1339 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
1340 GLOBAL void frx_send_pack_transp_mode () |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
1341 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1342 T_desc2* temp_desc; |
90eb61ecd093
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parents:
diff
changeset
|
1343 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
1344 TRACE_FUNCTION( "frx_send_pack_transp_mode ()" ); |
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parents:
diff
changeset
|
1345 |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1346 while( ppp_data->frx.frame_complete EQ TRUE AND |
90eb61ecd093
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parents:
diff
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|
1347 ppp_data->frx.data_flow_state EQ FRX_DATA_FLOW_READY) |
90eb61ecd093
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parents:
diff
changeset
|
1348 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1349 /* |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1350 * to avoid any side effects |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1351 * first reset all necessary variables and then call the signal |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1352 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
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parents:
diff
changeset
|
1353 ppp_data->frx.frame_complete = FALSE; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1354 temp_desc = ppp_data->frx.stored_packet; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1355 ppp_data->frx.stored_packet = NULL; |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1356 sig_frx_ptx_packet_ind(ppp_data->frx.stored_ptype, |
90eb61ecd093
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parents:
diff
changeset
|
1357 ppp_data->frx.stored_len, |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1358 temp_desc); |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1359 frx_detect_frame(); |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1360 } |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1361 |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1362 } |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1363 |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1364 #endif /* PPP_INT_RAM */ |
90eb61ecd093
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1365 |