FreeCalypso > hg > fc-selenite
annotate src/g23m-fad/ip/ip_kerf.c @ 30:c8a4561ef581
scripts/test-{make,setup}.sh: component compilation test
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 16 Jul 2018 00:10:23 +0000 |
parents | d393cd9bb723 |
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rev | line source |
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1
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1 /* |
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2 +---------------------------------------------------------------------------- |
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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 defines the functions for processing |
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18 | of incomming primitives for the component |
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19 | Internet Protocol of the mobile station |
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20 +---------------------------------------------------------------------------- |
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21 */ |
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22 |
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23 #define ENTITY_IP |
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24 |
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25 /*==== INCLUDES ===================================================*/ |
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26 |
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27 #include <string.h> |
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28 #include "typedefs.h" |
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29 #include "pconst.cdg" |
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30 #include "vsi.h" |
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31 #include "macdef.h" /* Get PFREE_DESC2 */ |
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32 #include "pconst.cdg" |
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33 #include "custom.h" |
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34 #include "gsm.h" |
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35 #include "cnf_ip.h" |
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36 #include "mon_ip.h" |
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37 #include "prim.h" |
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38 #include "pei.h" |
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39 #include "tok.h" |
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40 #include "ccdapi.h" |
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41 #include "dti.h" |
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42 #include "ip.h" |
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43 #include "ip_udp.h" |
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44 |
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45 /* |
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46 +--------------------------------------------------------------------+ |
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47 | PROJECT : WAP MODULE : ip_kerf.c | |
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48 | STATE : code ROUTINE : ip_packet_validator | |
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49 +--------------------------------------------------------------------+ |
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50 |
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51 PURPOSE : Checks for IP packet validity |
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52 */ |
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53 BOOL ip_packet_validator (T_desc_list2 * desc_list) |
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54 { |
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55 TRACE_FUNCTION ("ip_packet_validator()"); |
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56 |
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57 if (desc_list == NULL) |
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58 { |
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59 TRACE_ERROR ("desc_list == NULL in IP validator."); |
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60 return FALSE; |
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61 } |
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62 |
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63 { |
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64 /* Loop once through all the list */ |
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65 register T_desc2 * desc = (T_desc2 *) desc_list->first; |
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66 register unsigned length = 0; |
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67 while (desc != NULL) |
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68 { |
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69 /* Check consistency of descs */ |
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70 if (desc->size < desc->offset + desc->len) |
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71 { |
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72 TRACE_ERROR ( |
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73 "Packet dropped: " |
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74 "desc->size < desc->offset + desc->len in IP validator." |
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75 ); |
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76 return FALSE; |
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77 /* This is a mistake. Must be DTI1. */ |
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78 /* desc->offset = 0; */ |
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79 /* desc->size = desc->len; */ |
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80 } |
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81 /* Make sure that all offsets are 0 */ |
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82 if (desc->offset != 0) |
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83 { |
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84 memmove (desc->buffer, desc->buffer + desc->offset, desc->len); |
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85 desc->offset = 0; |
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86 } |
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87 /* Calculate the sum of lengths */ |
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88 length += desc->len; |
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89 desc = (T_desc2 *) desc->next; |
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90 } |
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91 /* Check desc_list->list_len */ |
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92 if (desc_list->list_len != length) |
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93 { |
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94 TRACE_ERROR ( |
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95 "Packet dropped: " |
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96 "desc_list->list_len != length in IP validator." |
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97 ); |
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98 return FALSE; |
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99 /* This is a mistake. But we could live with it. */ |
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100 /* desc_list->list_len = (USHORT) length; */ |
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101 } |
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102 |
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103 /* Need at least LEN_IP_HEADER_B bytes for one header */ |
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104 if (length < LEN_IP_HEADER_B) |
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105 { |
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106 TRACE_ERROR ( |
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107 "Packet dropped: " |
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108 "length < LEN_IP_HEADER_B in IP validator." |
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109 ); |
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110 return FALSE; |
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111 } |
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112 |
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113 /* Have enough bytes, but they may be distributed */ |
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114 desc = (T_desc2 *) desc_list->first; |
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115 if (desc->len < LEN_IP_HEADER_B) |
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116 { |
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117 /* Collect all bytes in one desc */ |
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118 T_desc2 * bigdesc = M_ALLOC (offsetof (T_desc2, buffer) + length); |
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119 if (bigdesc == NULL) |
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120 { |
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121 TRACE_ERROR ("Not enough memory in IP validator."); |
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122 return FALSE; |
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|
123 } |
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124 |
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125 bigdesc->next = 0; |
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126 bigdesc->offset = 0; |
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127 bigdesc->len = (USHORT) length; |
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128 bigdesc->size = (USHORT) length; |
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129 |
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130 /* Loop again through all the list */ |
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131 length = 0; |
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132 while (desc != NULL) |
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133 { |
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134 T_desc2 * removable = desc; |
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135 memcpy (bigdesc->buffer + length, desc->buffer, desc->len); |
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136 length += desc->len; |
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137 desc = (T_desc2 *) desc->next; |
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138 MFREE (removable); |
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139 } |
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140 desc_list->first = (ULONG) bigdesc; |
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141 desc = bigdesc; |
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142 } |
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143 |
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144 /* Need at least GET_IP_HEADER_LEN_B() bytes for the IP header */ |
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145 if (length < (unsigned) GET_IP_HEADER_LEN_B (desc->buffer)) |
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146 { |
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147 TRACE_ERROR ( |
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148 "Packet dropped: " |
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149 "length < GET_IP_HEADER_LEN_B() in IP validator." |
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150 ); |
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151 return FALSE; |
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152 } |
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153 |
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154 /* Survived */ |
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155 return TRUE; |
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|
156 } |
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157 } |
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158 |
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159 /* |
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160 +--------------------------------------------------------------------+ |
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161 | PROJECT : GSM-FaD (8444) MODULE : IP_KERF | |
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162 | STATE : code ROUTINE : free_primitive_data_ind | |
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163 +--------------------------------------------------------------------+ |
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164 * |
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165 * Set a DTI_DATA_IND primitive free and the pointer to NULL |
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166 */ |
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167 void free_primitive_data_ind (T_DTI2_DATA_IND ** dti_data_ind) |
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168 { |
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169 TRACE_FUNCTION ("free_primitive_data_ind()"); |
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170 |
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171 if (dti_data_ind != NULL && *dti_data_ind != NULL) { |
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172 PFREE_DESC2 (* dti_data_ind); |
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173 *dti_data_ind = NULL; |
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|
174 } |
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|
175 } |
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176 |
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177 /* |
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178 +--------------------------------------------------------------------+ |
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179 | PROJECT : GSM-FaD (8444) MODULE : IP_KERF | |
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180 | STATE : code ROUTINE : free_primitive_data_req | |
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181 +--------------------------------------------------------------------+ |
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182 * |
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183 * Set a DTI_DATA_REQ primitive free and the pointer to NULL |
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|
184 */ |
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185 void free_primitive_data_req (T_DTI2_DATA_REQ ** dti_data_req) |
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|
186 { |
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|
187 TRACE_FUNCTION ("free_primitive_data_req()"); |
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188 |
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189 if (dti_data_req != NULL && *dti_data_req != NULL) { |
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|
190 PFREE_DESC2 (* dti_data_req); |
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191 *dti_data_req = NULL; |
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|
192 } |
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|
193 } |
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|
194 |
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|
195 /* |
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196 +--------------------------------------------------------------------+ |
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197 | PROJECT : WAP MODULE : IP | |
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198 | STATE : code ROUTINE : set_desc_len | |
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|
199 +--------------------------------------------------------------------+ |
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|
200 * |
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|
201 * Set the new desc length and fix desc_list length |
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|
202 */ |
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|
203 void set_desc_len (T_desc_list2 * desc_list, T_desc2 * desc, USHORT len_desc) |
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|
204 { |
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|
205 TRACE_FUNCTION ("set_desc_len()"); |
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|
206 |
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|
207 desc_list->list_len = (USHORT) (desc_list->list_len + len_desc - desc->len); |
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208 desc->len = len_desc; |
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|
209 } |
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|
210 |
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|
211 /* |
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|
212 +--------------------------------------------------------------------+ |
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213 | PROJECT : WAP MODULE : IP | |
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214 | STATE : code ROUTINE : del_rest_descs | |
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|
215 +--------------------------------------------------------------------+ |
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|
216 * |
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|
217 * Free the next desc(s) from desc. Fix the list_len in desc_list |
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|
218 */ |
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|
219 void del_rest_descs (T_desc_list2 * desc_list, T_desc2 * desc) |
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|
220 { |
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|
221 BOOL go = TRUE; |
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|
222 T_desc2 * p_desc_last, * p_desc_start; |
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|
223 |
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|
224 TRACE_FUNCTION ("del_rest_descs()"); |
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|
225 |
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|
226 if (desc->next > 0) |
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|
227 { |
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|
228 p_desc_start = desc; |
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|
229 desc = (T_desc2 *) desc->next; |
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|
230 |
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|
231 do |
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|
232 { |
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|
233 p_desc_last = desc; |
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|
234 |
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|
235 if (desc->next > 0) |
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|
236 desc = (T_desc2 *) desc->next; |
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|
237 else |
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238 go = FALSE; |
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239 |
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240 desc_list->list_len = (USHORT) |
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241 (desc_list->list_len - p_desc_last->len); |
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242 MFREE (p_desc_last); |
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243 } |
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244 while (go); |
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245 |
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246 desc = p_desc_start; |
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247 desc->next = 0; |
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248 } |
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249 } |
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250 |
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251 /* |
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252 +--------------------------------------------------------------------+ |
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253 | PROJECT : GSM-FaD (8444) MODULE : IP_KERF | |
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254 | STATE : code ROUTINE : del_descs | |
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255 +--------------------------------------------------------------------+ |
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256 * |
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257 * Free the desc(s) |
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258 */ |
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259 void del_descs (T_desc2 * desc) |
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260 { |
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261 BOOL go = TRUE; |
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262 T_desc2 * p_desc_last; |
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263 |
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264 TRACE_FUNCTION ("del_descs()"); |
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265 |
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266 do |
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267 { |
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268 p_desc_last = desc; |
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269 |
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270 if (desc->next > 0) |
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271 desc = (T_desc2 *) desc->next; |
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272 else |
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273 go = FALSE; |
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274 |
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275 MFREE (p_desc_last); |
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276 } |
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277 while (go); |
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278 } |
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279 |
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280 /** filter_out_in_desc |
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281 * |
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282 * cuts length bytes out of a T_desc2::buffer, starting at 'start'. |
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283 * |
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284 * @param desc Pointer to a T_desc2 |
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285 * @param start Start of the block to be cut out |
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286 * @param length Length of the block to be cut out |
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287 * |
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288 * @return TRUE if parameters are valid, FALSE if parameters are invalid |
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289 */ |
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290 static BOOL filter_out_in_desc ( |
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291 T_desc2 * desc, |
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292 USHORT start, |
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293 USHORT length |
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294 ) { |
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295 TRACE_FUNCTION ("filter_out_in_desc()"); |
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296 |
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297 if (desc != NULL && start + length <= desc->len) { |
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298 memmove ( |
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299 desc->buffer + start, |
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300 desc->buffer + start + length, |
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301 desc->len - start - length |
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302 ); |
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303 desc->len = (USHORT) (desc->len - length); |
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304 return TRUE; |
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305 } else { |
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306 TRACE_ERROR ("Parameters are invalid in filter_out_in_desc()."); |
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307 return FALSE; |
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308 } |
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309 } |
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310 |
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311 /** truncate_descs |
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312 * |
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313 * truncates a T_desc_list2 to no more than new_length bytes. |
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314 * |
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315 * @param desc_list Pointer to a T_desc_list2 |
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316 * @param new_length Maximal new length of that T_desc_list2 |
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317 */ |
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318 void truncate_descs (T_desc_list2 * desc_list, USHORT new_length) |
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319 { |
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320 TRACE_FUNCTION ("truncate_descs()"); |
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321 |
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322 if (desc_list != NULL) |
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323 { |
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324 T_desc2 ** pp_desc = (T_desc2 **) & desc_list->first; |
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325 desc_list->list_len = 0; /* Will be recalculated, anyway */ |
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326 |
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327 /* First a loop over all T_descs which will remain. */ |
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328 while (*pp_desc != NULL && new_length != 0) |
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329 { |
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330 if (new_length < (*pp_desc)->len) |
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331 (*pp_desc)->len = new_length; |
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332 new_length = (USHORT) (new_length - (*pp_desc)->len); |
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333 desc_list->list_len = /* Recalculation */ |
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334 (USHORT) (desc_list->list_len + (*pp_desc)->len); |
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335 pp_desc = (T_desc2 **) & (*pp_desc)->next; |
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336 } |
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337 |
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338 /* Second a loop over all T_descs which have to be deleted, if any. */ |
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339 while (*pp_desc != NULL) |
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340 { |
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341 T_desc2 * p_desc_removable = *pp_desc; |
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342 *pp_desc = (T_desc2 *) p_desc_removable->next; |
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343 MFREE (p_desc_removable); |
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344 } |
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345 |
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346 /* This way, new_length==0 at function call results in |
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347 * desc_list->first==NULL at function return. */ |
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348 |
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349 /* Third a loop over all T_descs which have to be created, if any. |
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350 * (If it were Prokrustes, not truncation, |
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351 * we would have to allocate new T_descs here.) |
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352 * while (new_length != 0) { ... } */ |
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353 } |
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|
354 else |
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|
355 { |
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|
356 TRACE_ERROR ("truncate_descs() called without T_desc_list2."); |
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357 TRACE_ASSERT (0); |
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|
358 } |
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|
359 } |
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|
360 |
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diff
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|
361 /* |
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|
362 +--------------------------------------------------------------------+ |
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|
363 | PROJECT : GSM-FaD (8444) MODULE : IP_KERF | |
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|
364 | STATE : code ROUTINE : insert_sort_descs | |
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|
365 +--------------------------------------------------------------------+ |
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|
366 * |
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|
367 * Insert a new descriptor sorted by fragment offset. |
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|
368 * The less value at first. Filter out descs with same offset. |
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diff
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|
369 */ |
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|
370 static void insert_sort_desc (T_desc_list2 * desc_list, T_desc2 * p_new_desc) |
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|
371 { |
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|
372 if (desc_list != NULL && p_new_desc != NULL) |
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|
373 { |
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|
374 T_desc2 * desc; |
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|
375 T_desc2 * p_desc_last; |
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|
376 UBYTE * ip_header; |
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diff
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|
377 USHORT offset, new_offset; |
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diff
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|
378 |
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parents:
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|
379 offset = 0xffff; |
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|
380 ip_header = p_new_desc->buffer; |
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diff
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|
381 new_offset = (USHORT) GET_IP_FRAG_OFFSET (ip_header);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
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parents:
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|
382 desc = (T_desc2 *) desc_list->first; |
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diff
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|
383 p_desc_last = NULL; |
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parents:
diff
changeset
|
384 |
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|
385 while (desc NEQ NULL) |
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parents:
diff
changeset
|
386 { |
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changeset
|
387 ip_header = desc->buffer; |
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parents:
diff
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|
388 offset = (USHORT) GET_IP_FRAG_OFFSET (ip_header);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
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parents:
diff
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|
389 if (new_offset <= offset) |
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parents:
diff
changeset
|
390 break; |
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parents:
diff
changeset
|
391 p_desc_last = desc; |
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parents:
diff
changeset
|
392 desc = (T_desc2 *) desc->next; |
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parents:
diff
changeset
|
393 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
394 |
d393cd9bb723
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parents:
diff
changeset
|
395 if (new_offset EQ offset) |
d393cd9bb723
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parents:
diff
changeset
|
396 { |
d393cd9bb723
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parents:
diff
changeset
|
397 /* Two descriptors with the same offset |
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parents:
diff
changeset
|
398 * Throw away the new one */ |
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parents:
diff
changeset
|
399 MFREE (p_new_desc); |
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parents:
diff
changeset
|
400 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
401 else |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
402 { |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
403 /* Insert descriptor after p_desc_last */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
404 if (p_desc_last EQ NULL) |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
405 { |
d393cd9bb723
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parents:
diff
changeset
|
406 p_new_desc->next = desc_list->first; |
d393cd9bb723
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parents:
diff
changeset
|
407 desc_list->first = (ULONG) p_new_desc; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
408 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
409 else |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
410 { |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
411 p_new_desc->next = p_desc_last->next; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
412 p_desc_last->next = (ULONG) p_new_desc; |
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parents:
diff
changeset
|
413 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
414 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
415 /* Add the length of the new descriptor */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
416 desc_list->list_len = (USHORT) (desc_list->list_len + p_new_desc->len); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
417 } |
d393cd9bb723
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parents:
diff
changeset
|
418 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
419 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
420 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
421 /* |
d393cd9bb723
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parents:
diff
changeset
|
422 +--------------------------------------------------------------------+ |
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parents:
diff
changeset
|
423 | PROJECT : GSM-FaD (8444) MODULE : IP_KERF | |
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parents:
diff
changeset
|
424 | STATE : code ROUTINE : reassemble_fragments | |
d393cd9bb723
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parents:
diff
changeset
|
425 +--------------------------------------------------------------------+ |
d393cd9bb723
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parents:
diff
changeset
|
426 * |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
427 * Reassemble fragments coming in downlink |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
428 */ |
d393cd9bb723
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parents:
diff
changeset
|
429 void reassemble_fragments ( |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
430 T_DTI2_DATA_IND ** dti_data_ind, |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
431 T_LOLA * p_dl, |
d393cd9bb723
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parents:
diff
changeset
|
432 UBYTE * ip_header, |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
433 BOOL first_segment, |
d393cd9bb723
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parents:
diff
changeset
|
434 /* BOOL middle_segment, */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
435 BOOL last_segment /*,*/ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
436 /* USHORT fragm_offset */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
437 ) { |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
438 USHORT fragm_id, header_len_b, offset; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
439 UBYTE fragm_prot; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
440 ULONG server_source_addr; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
441 BOOL found_source_addr = FALSE; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
442 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
443 TRACE_FUNCTION ("reassemble_fragments()"); |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
444 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
445 fragm_id = (USHORT) GET_IP_IDENT (ip_header); |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
446 fragm_prot = GET_IP_PROT (ip_header); |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
447 server_source_addr = GET_IP_SOURCE_ADDR (ip_header); |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
448 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
449 /* Check source address from server */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
450 p_dl->pos_server = 0; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
451 do |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
452 { |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
453 if (p_dl->ip_source_addr_segment[p_dl->pos_server] NEQ server_source_addr) |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
454 p_dl->pos_server++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
455 else |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
456 found_source_addr = TRUE; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
457 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
458 } while (! found_source_addr && p_dl->pos_server < MAX_SEGM_SERVER); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
459 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
460 /* Select the server - by only one server p_dl->pos_server = 0 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
461 if (p_dl->pos_server EQ MAX_SEGM_SERVER) |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
462 p_dl->pos_server = 0; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
463 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
464 p_dl->ip_source_addr_segment[p_dl->pos_server] = server_source_addr; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
465 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
466 /* Check if it is the first or the last segment */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
467 if (first_segment) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
468 p_dl->got_first_segment[p_dl->pos_server] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
469 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
470 if (last_segment) |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
471 p_dl->got_last_segment[p_dl->pos_server] = TRUE; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
472 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
473 /* Is it the first of any segment type? */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
474 if (p_dl->state_reassembly[p_dl->pos_server] EQ NO_SEGMENTS) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
475 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
476 p_dl->data_ind_reassembly[p_dl->pos_server] = *dti_data_ind; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
477 p_dl->state_reassembly[p_dl->pos_server] = READ_SEGMENT; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
478 p_dl->id_reassemble[p_dl->pos_server] = fragm_id; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
479 p_dl->prot_reassemble[p_dl->pos_server] = fragm_prot; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
480 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
481 /* Start reassembly timer */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
482 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
483 /* Implementation problem: the timer index must be |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
484 * layer * MAX_SEGM_SERVER + p_dl->pos_server. The |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
485 * layer variable is not forwarded to the function. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
486 * It works, because layer is ever set to 0 in the moment. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
487 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
488 vsi_t_start (VSI_CALLER p_dl->pos_server, TIME_REASSEMBLY); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
489 p_dl->timer_reass_running[p_dl->pos_server] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
490 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
491 /* Check the fragment ID and protocol. If not the same - free resources */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
492 else if ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
493 (p_dl->id_reassemble[p_dl->pos_server] NEQ fragm_id) OR |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
494 (p_dl->prot_reassemble[p_dl->pos_server] NEQ fragm_prot) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
495 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
496 if (p_dl->timer_reass_running[p_dl->pos_server]) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
497 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
498 /* Implementation problem: the timer index must be |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
499 * layer * MAX_SEGM_SERVER + p_dl->pos_server. The |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
500 * layer variable is not forwarded to the function. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
501 * It works, because layer is ever set to 0 in the moment. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
502 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
503 csf_stop_timer (p_dl->pos_server); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
504 p_dl->timer_reass_running[p_dl->pos_server] = FALSE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
505 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
506 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
507 p_dl->drop_packet = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
508 p_dl->state_reassembly[p_dl->pos_server] = NO_SEGMENTS; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
509 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
510 free_primitive_data_ind (p_dl->data_ind_reassembly + p_dl->pos_server); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
511 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
512 /* Note: We could generate an ICMP packet */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
513 return; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
514 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
515 else /* Got correct segments before */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
516 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
517 /* Note: The whole datagram must be in the same descriptor */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
518 /* Note: The timeout value should be changed to MAX (TTL, TIME_REASSEMBLY) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
519 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
520 BOOL all_fragments_received = FALSE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
521 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
522 T_desc_list2 * desc_list = & p_dl->data_ind_reassembly[p_dl->pos_server]->desc_list2; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
523 T_desc2 * desc = (T_desc2 *) p_dl->dti_data_ind->desc_list2.first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
524 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
525 if (desc == NULL || (T_desc2 *) desc_list->first == NULL) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
526 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
527 TRACE_ERROR ("Pointer is NULL."); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
528 return; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
529 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
530 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
531 /* Insert the descriptor in the right position, according to the offset */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
532 insert_sort_desc (desc_list, desc); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
533 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
534 /* Check if got all fragments */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
535 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
536 if ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
537 p_dl->got_first_segment[p_dl->pos_server] AND |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
538 p_dl->got_last_segment[p_dl->pos_server] |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
539 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
540 BOOL go = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
541 USHORT data_len, next_offset; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
542 UBYTE * ip_packet; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
543 desc = (T_desc2 *) desc_list->first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
544 ip_packet = desc->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
545 header_len_b = (USHORT) GET_IP_HEADER_LEN_B (ip_packet); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
546 data_len = (USHORT) (desc->len - header_len_b); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
547 next_offset = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
548 do |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
549 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
550 if ((T_desc2 *) desc->next != NULL) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
551 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
552 desc = (T_desc2 *) desc->next; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
553 ip_packet = desc->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
554 next_offset = (USHORT) GET_IP_FRAG_OFFSET_B (ip_packet);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
555 header_len_b = (USHORT) GET_IP_HEADER_LEN_B (ip_packet); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
556 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
557 if ((T_desc2 *) desc->next != NULL) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
558 data_len = (USHORT) (data_len + desc->len - header_len_b); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
559 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
560 else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
561 go = FALSE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
562 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
563 while (go); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
564 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
565 if (data_len >= next_offset) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
566 all_fragments_received = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
567 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
568 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
569 /* Reassemble the fragments */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
570 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
571 if (all_fragments_received) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
572 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
573 BOOL go = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
574 USHORT len_fragments, header_len_b_first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
575 T_desc2 * p_desc_first, * p_desc_last; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
576 UBYTE * ip_packet; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
577 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
578 p_dl->state_reassembly[p_dl->pos_server] = NO_SEGMENTS; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
579 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
580 if ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
581 desc_list == NULL || |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
582 (T_desc2 *) desc_list->first == NULL || |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
583 (T_desc2 *) ((T_desc2*)desc_list->first)->next == NULL |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
584 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
585 TRACE_ERROR ("Pointer is NULL."); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
586 return; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
587 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
588 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
589 /* Fix the first desc */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
590 p_desc_first = (T_desc2 *) desc_list->first; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
591 ip_packet = p_desc_first->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
592 header_len_b_first = (USHORT) GET_IP_HEADER_LEN_B (ip_packet); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
593 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
594 /* Start from next desc */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
595 desc = (T_desc2 *) p_desc_first->next; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
596 ip_packet = desc->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
597 offset = (USHORT) GET_IP_FRAG_OFFSET_B (ip_packet);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
598 p_desc_first->len = (USHORT) (offset + header_len_b_first); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
599 len_fragments = offset; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
600 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
601 do |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
602 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
603 if (desc->next NEQ 0) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
604 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
605 p_desc_last = desc; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
606 desc = (T_desc2 *) desc->next; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
607 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
608 /* Get the fragment offset */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
609 ip_packet = desc->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
610 header_len_b = (USHORT) GET_IP_HEADER_LEN_B (ip_packet); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
611 offset = (USHORT) GET_IP_FRAG_OFFSET_B (ip_packet);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
612 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
613 /* Filter out IP header */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
614 ip_packet = p_desc_last->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
615 header_len_b = (USHORT) GET_IP_HEADER_LEN_B (ip_packet); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
616 filter_out_in_desc (p_desc_last, 0, header_len_b); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
617 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
618 len_fragments = (USHORT) (len_fragments + p_desc_last->len); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
619 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
620 else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
621 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
622 go = FALSE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
623 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
624 /* Filter out last IP header */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
625 ip_packet = desc->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
626 header_len_b = (USHORT) GET_IP_HEADER_LEN_B (ip_packet); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
627 filter_out_in_desc (desc, 0, header_len_b); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
628 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
629 len_fragments = (USHORT) (len_fragments + desc->len); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
630 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
631 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
632 while (go); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
633 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
634 /* Build the IP datagram */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
635 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
636 /* Implementation problem: the timer index must be |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
637 * layer * MAX_SEGM_SERVER + p_dl->pos_server. The |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
638 * layer variable is not forwarded to the function. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
639 * It works, because layer is ever set to 0 in the moment. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
640 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
641 csf_stop_timer (p_dl->pos_server); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
642 p_dl->timer_reass_running[p_dl->pos_server] = FALSE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
643 /* PFREE (dti_data_ind); */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
644 /* Is being freed elsewhere. Would anyway have false level of indirection. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
645 p_dl->data_ind_reassembly[p_dl->pos_server]->desc_list2.list_len = |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
646 (USHORT) (len_fragments + header_len_b_first); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
647 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
648 *dti_data_ind = p_dl->data_ind_reassembly[p_dl->pos_server]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
649 p_desc_first = (T_desc2 *) (*dti_data_ind)->desc_list2.first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
650 ip_packet = p_desc_first->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
651 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
652 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
653 ULONG dest_addr; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
654 UBYTE ttl; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
655 dest_addr = GET_IP_DEST_ADDR (ip_packet);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
656 ttl = GET_IP_TTL (ip_packet);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
657 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
658 build_ip_header ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
659 ip_packet, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
660 fragm_id, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
661 (UBYTE) (header_len_b_first >> 2), |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
662 NORMAL_SERVICE, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
663 ttl, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
664 p_dl->ip_source_addr_segment[p_dl->pos_server], |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
665 dest_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
666 (UBYTE) (len_fragments + header_len_b_first), |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
667 NO_OFFSET_FRAG, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
668 FLAG_NOT_SET, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
669 FLAG_NOT_SET, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
670 fragm_prot |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
671 ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
672 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
673 p_dl->data_ind_reassembly[p_dl->pos_server] = NULL; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
674 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
675 /* else */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
676 /* PFREE (dti_data_ind); */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
677 /* Is being freed elsewhere. Would anyway have false level of indirection. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
678 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
679 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
680 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
681 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
682 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
683 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
684 | PROJECT : WAP MODULE : IP | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
685 | STATE : code ROUTINE : put_desc_first_pos | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
686 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
687 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
688 * Put desc on the first position of a desc_list. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
689 * Set the new list_len in desc_list. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
690 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
691 void put_desc_first_pos (T_desc_list2 * desc_list, T_desc2 * p_desc_new) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
692 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
693 ULONG help; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
694 T_desc2 * p_desc_help; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
695 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
696 TRACE_FUNCTION ("put_desc_first_pos()"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
697 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
698 p_desc_help = (T_desc2 *) desc_list->first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
699 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
700 if (p_desc_help NEQ p_desc_new) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
701 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
702 help = desc_list->first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
703 desc_list->first = (ULONG) p_desc_new; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
704 p_desc_new->next = help; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
705 desc_list->list_len = (USHORT) (desc_list->list_len + p_desc_new->len); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
706 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
707 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
708 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
709 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
710 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
711 | PROJECT : GSM-FaD (8444) MODULE : IP_KER | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
712 | STATE : code ROUTINE : copy_from_descs_to_desc | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
713 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
714 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
715 * Copy data from one or more descs into desc_new. Possible to use offset. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
716 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
717 void copy_from_descs_to_desc ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
718 T_desc2 ** desc, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
719 T_desc2 * desc_new, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
720 USHORT copy_len, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
721 USHORT offset_desc, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
722 USHORT offset_desc_new, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
723 USHORT * pos_copy, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
724 USHORT * total_len_copy |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
725 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
726 BOOL go = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
727 *pos_copy = offset_desc; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
728 *total_len_copy = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
729 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
730 do |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
731 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
732 while ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
733 (*pos_copy < (*desc)->len) AND |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
734 (offset_desc_new < desc_new->len) AND |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
735 (*total_len_copy < copy_len) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
736 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
737 desc_new->buffer[offset_desc_new] = (*desc)->buffer[*pos_copy]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
738 offset_desc_new ++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
739 (*pos_copy)++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
740 (*total_len_copy)++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
741 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
742 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
743 if ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
744 (*total_len_copy >= copy_len) OR |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
745 (offset_desc_new >= desc_new->len) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
746 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
747 go = FALSE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
748 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
749 else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
750 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
751 if (*pos_copy >= (*desc)->len) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
752 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
753 if ((*desc)->next > 0) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
754 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
755 *desc = (T_desc2 *) (*desc)->next; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
756 *pos_copy = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
757 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
758 else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
759 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
760 go = FALSE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
761 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
762 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
763 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
764 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
765 while (go); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
766 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
767 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
768 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
769 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
770 | PROJECT : WAP MODULE : IP | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
771 | STATE : code ROUTINE : make_new_desc | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
772 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
773 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
774 * Malloc a new desc. Init buffer 0 if buff_init_0 = TRUE |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
775 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
776 BOOL make_new_desc ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
777 T_desc2 ** p_desc_new, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
778 USHORT malloc_len, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
779 BOOL buff_init_0 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
780 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
781 TRACE_FUNCTION ("make_new_desc()"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
782 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
783 MALLOC (*p_desc_new, offsetof (T_desc2, buffer) + malloc_len); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
784 /* The target compiler issues a warning |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
785 * "pointer type conversion may violate alignment constraints" |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
786 * here and everywhere where MALLOC is being used. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
787 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
788 if (*p_desc_new EQ 0) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
789 return FALSE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
790 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
791 if (buff_init_0) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
792 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
793 USHORT i; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
794 for (i = 0; i < malloc_len; i++) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
795 (*p_desc_new)->buffer[i] = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
796 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
797 (*p_desc_new)->next = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
798 (*p_desc_new)->offset = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
799 (*p_desc_new)->len = malloc_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
800 (*p_desc_new)->size = malloc_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
801 return TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
802 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
803 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
804 #if 0 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
805 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
806 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
807 | PROJECT : GSM-FaD (8444) MODULE : IP_KERF | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
808 | STATE : code ROUTINE : sort_descs_id_up | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
809 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
810 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
811 * Sort the descs with fragment offset. The less value at |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
812 * first. Filter out descs with same offset. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
813 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
814 USHORT sort_descs_id_up ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
815 T_desc_list * desc_list, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
816 ULONG sort_array[2][MAX_SEGMENTS] |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
817 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
818 T_desc * desc; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
819 USHORT i, n_descs, code; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
820 BOOL go = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
821 ULONG addr, wert; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
822 UBYTE * ip_header; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
823 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
824 TRACE_FUNCTION ("sort_descs_id_up()"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
825 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
826 desc = (T_desc *) desc_list->first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
827 n_descs = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
828 code = GO_ON_SEGMENTING; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
829 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
830 if (desc->next > 0) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
831 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
832 /* Write desc address and search-value into sort_array */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
833 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
834 desc = (T_desc *) desc_list->first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
835 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
836 i = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
837 ip_header = desc->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
838 sort_array[1][i] = GET_IP_FRAG_OFFSET (ip_header); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
839 sort_array[0][i++] = desc_list->first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
840 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
841 do |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
842 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
843 if (desc->next > 0 AND i < MAX_SEGMENTS) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
844 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
845 desc = (T_desc *) desc->next; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
846 sort_array[0][i] = (ULONG) desc; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
847 ip_header = desc->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
848 sort_array[1][i++] = GET_IP_FRAG_OFFSET (ip_header); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
849 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
850 else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
851 go = FALSE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
852 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
853 while (go); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
854 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
855 /* Sort the array if not overflow */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
856 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
857 if (i < MAX_SEGMENTS) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
858 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
859 n_descs = i; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
860 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
861 for (i = 0; i < n_descs - 1; i++) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
862 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
863 USHORT min, j; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
864 min = i; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
865 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
866 for (j = i + 1; j < n_descs; j++) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
867 if (sort_array[1][j] < sort_array[1][min]) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
868 min = j; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
869 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
870 addr = sort_array[0][i]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
871 wert = sort_array[1][i]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
872 sort_array[0][i] = sort_array[0][min]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
873 sort_array[1][i] = sort_array[1][min]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
874 sort_array[0][min] = addr; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
875 sort_array[1][min] = wert; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
876 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
877 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
878 /* Filter out descs with same fragment offset */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
879 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
880 ULONG v1; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
881 USHORT j, k, len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
882 len = n_descs - 1; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
883 i = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
884 while (i < len) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
885 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
886 v1 = sort_array[1][i]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
887 j = i + 1; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
888 if (v1 EQ sort_array[1][j]) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
889 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
890 k = j; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
891 n_descs--; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
892 while (k <= len) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
893 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
894 sort_array[0][k] = sort_array[0][k + 1]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
895 sort_array[1][k] = sort_array[1][k + 1]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
896 k++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
897 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
898 len--; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
899 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
900 if (sort_array[1][i] NEQ sort_array[1][i + 1]) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
901 i++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
902 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
903 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
904 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
905 /* Put the descs together and correct the desc_list->list_len */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
906 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
907 desc_list->first = sort_array[0][0]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
908 desc = (T_desc *) sort_array[0][0]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
909 desc_list->list_len = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
910 desc_list->list_len = desc->len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
911 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
912 for (i = 1; i < n_descs; i++) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
913 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
914 desc->next = sort_array[0][i]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
915 desc = (T_desc *) desc->next; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
916 desc_list->list_len = desc_list->list_len + desc->len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
917 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
918 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
919 desc->next = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
920 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
921 else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
922 code = NO_SPACE_SEGMENTING; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
923 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
924 desc = (T_desc *) desc_list->first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
925 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
926 return code; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
927 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
928 #endif |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
929 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
930 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
931 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
932 | PROJECT : GSM-FaD (8444) MODULE : IP_KERF | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
933 | STATE : code ROUTINE : build_ip_header | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
934 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
935 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
936 * Build IP header |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
937 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
938 void build_ip_header ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
939 UBYTE * ip_header_new, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
940 USHORT identity, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
941 UBYTE header_len, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
942 UBYTE type_of_service, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
943 UBYTE ttl, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
944 ULONG src_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
945 ULONG dest_addr, |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
946 USHORT total_len, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
947 USHORT fragm_offset, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
948 UBYTE df_flag, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
949 UBYTE mf_flag, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
950 UBYTE prot |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
951 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
952 USHORT chk_sum; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
953 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
954 TRACE_FUNCTION ("build_ip_header()"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
955 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
956 SET_IP_VERSION (ip_header_new, IP_VERSION); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
957 /*lint -e{415, 416} (Warning -- access/creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
958 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
959 SET_IP_HEADER_LEN (ip_header_new, header_len); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
960 SET_IP_TYPE_OF_SERVICE (ip_header_new, type_of_service); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
961 SET_IP_TOTAL_LEN (ip_header_new, total_len); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
962 SET_IP_IDENT (ip_header_new, identity); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
963 SET_IP_OFF_FLAG (ip_header_new, FLAG_NOT_SET); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
964 SET_IP_DF_FLAG (ip_header_new, df_flag); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
965 SET_IP_MF_FLAG (ip_header_new, mf_flag); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
966 SET_IP_FRAG_OFFSET (ip_header_new, fragm_offset); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
967 SET_IP_PROT (ip_header_new, prot); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
968 SET_IP_TTL (ip_header_new, ttl); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
969 SET_IP_SOURCE_ADDR (ip_header_new, src_addr); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
970 SET_IP_DEST_ADDR (ip_header_new, dest_addr); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
971 RESET_IP_CHECKSUM (ip_header_new); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
972 chk_sum = inet_checksum (ip_header_new, (USHORT) (header_len * 4)); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
973 SET_IP_CHECKSUM (ip_header_new, chk_sum); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
974 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
975 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
976 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
977 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
978 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
979 | PROJECT : GSM-FaD (8444) MODULE : IP_KERF | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
980 | STATE : code ROUTINE : build_icmp_packet | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
981 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
982 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
983 * Build IP icmp packet without payload |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
984 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
985 void build_icmp_packet ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
986 USHORT header_len_b, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
987 UBYTE typ, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
988 UBYTE code, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
989 UBYTE ttl, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
990 UBYTE * ip_header, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
991 USHORT identity, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
992 ULONG dest_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
993 ULONG src_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
994 T_desc_list2 * desc_list |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
995 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
996 USHORT chk_sum; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
997 UBYTE header_len_b_bak; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
998 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
999 TRACE_FUNCTION ("build_icmp_packet()"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1000 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1001 header_len_b_bak = (UBYTE) (header_len_b >> 2); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1002 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1003 /* Build ICMP header */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1004 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1005 SET_ICMP_TYPE (ip_header, typ, header_len_b); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1006 SET_ICMP_CODE (ip_header, code, header_len_b); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1007 RESET_ICMP_CHK_SUM (ip_header, header_len_b); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1008 chk_sum = desc_checksum (desc_list, header_len_b, 0); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1009 SET_ICMP_CHK_SUM (ip_header, chk_sum, header_len_b); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1010 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1011 /* Build IP header */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1012 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1013 build_ip_header ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1014 ip_header, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1015 identity, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1016 header_len_b_bak, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1017 NORMAL_SERVICE, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1018 ttl, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1019 src_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1020 dest_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1021 desc_list->list_len, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1022 NO_OFFSET_FRAG, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1023 FLAG_NOT_SET, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1024 FLAG_NOT_SET, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1025 ICMP_PROT |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1026 ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1027 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1028 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1029 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1030 +-------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1031 | PROJECT : WAP MODULE : IP | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1032 | STATE : code ROUTINE : build_icmp_with_payload | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1033 +-------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1034 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1035 * Build a ICMP packet with payload of 64 bits |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1036 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1037 void build_icmp_with_payload ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1038 T_DTI2_DATA_REQ * data_req, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1039 USHORT identity, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1040 UBYTE ttl, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1041 ULONG src_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1042 UBYTE icmp_type, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1043 UBYTE icmp_code |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1044 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1045 T_desc2 * desc_new, * desc; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1046 T_desc_list2 * desc_list; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1047 USHORT malloc_len, header_len_b, chk_sum; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1048 UBYTE * ip_header; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1049 ULONG dest_addr; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1050 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1051 #define LEN_ICMP_HEADER_PAYLOAD 8 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1052 #define LEN_PAYLOAD 8 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1053 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1054 TRACE_FUNCTION ("build_icmp_with_payload()"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1055 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1056 desc_list = & data_req->desc_list2; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1057 desc = (T_desc2 *) desc_list->first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1058 ip_header = desc->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1059 dest_addr = GET_IP_SOURCE_ADDR (ip_header);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1060 header_len_b = (USHORT) GET_IP_HEADER_LEN_B (ip_header); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1061 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1062 /* Up to 8 bytes payload of the old datagram */ |
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parents:
diff
changeset
|
1063 |
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parents:
diff
changeset
|
1064 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1065 USHORT help = (USHORT) (LEN_PAYLOAD + header_len_b); |
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parents:
diff
changeset
|
1066 if (help < desc->len) |
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parents:
diff
changeset
|
1067 set_desc_len (desc_list, desc, help); |
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parents:
diff
changeset
|
1068 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1069 |
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parents:
diff
changeset
|
1070 /* Throw away the rest descs if there are any */ |
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parents:
diff
changeset
|
1071 |
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parents:
diff
changeset
|
1072 del_rest_descs (desc_list, desc); |
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parents:
diff
changeset
|
1073 |
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parents:
diff
changeset
|
1074 /* Make a new desc for the ICMP packet header */ |
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parents:
diff
changeset
|
1075 |
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parents:
diff
changeset
|
1076 malloc_len = LEN_ICMP_HEADER_PAYLOAD + LEN_IP_HEADER_B; |
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parents:
diff
changeset
|
1077 make_new_desc (& desc_new, malloc_len, TRUE); |
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parents:
diff
changeset
|
1078 |
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parents:
diff
changeset
|
1079 /* Put the desc at the first place of the descs */ |
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parents:
diff
changeset
|
1080 |
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parents:
diff
changeset
|
1081 put_desc_first_pos (desc_list, desc_new); |
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parents:
diff
changeset
|
1082 |
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parents:
diff
changeset
|
1083 /* Build the ICMP packet and the IP header */ |
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parents:
diff
changeset
|
1084 |
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parents:
diff
changeset
|
1085 ip_header = desc_new->buffer; |
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parents:
diff
changeset
|
1086 header_len_b = LEN_IP_HEADER_B; |
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parents:
diff
changeset
|
1087 |
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parents:
diff
changeset
|
1088 SET_ICMP_TYPE (ip_header, icmp_type, header_len_b);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
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parents:
diff
changeset
|
1089 SET_ICMP_CODE (ip_header, icmp_code, header_len_b);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
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parents:
diff
changeset
|
1090 RESET_ICMP_CHK_SUM (ip_header, header_len_b);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1091 chk_sum = desc_checksum (desc_list, header_len_b, 0); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1092 SET_ICMP_CHK_SUM (ip_header, chk_sum, header_len_b);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
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parents:
diff
changeset
|
1093 |
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parents:
diff
changeset
|
1094 build_ip_header ( |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1095 ip_header, |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1096 identity, |
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parents:
diff
changeset
|
1097 MIN_HEADER_LEN, |
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parents:
diff
changeset
|
1098 NORMAL_SERVICE, |
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parents:
diff
changeset
|
1099 ttl, |
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parents:
diff
changeset
|
1100 src_addr, |
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parents:
diff
changeset
|
1101 dest_addr, |
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parents:
diff
changeset
|
1102 desc_list->list_len, |
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parents:
diff
changeset
|
1103 NO_OFFSET_FRAG, |
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parents:
diff
changeset
|
1104 FLAG_NOT_SET, |
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parents:
diff
changeset
|
1105 FLAG_NOT_SET, |
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parents:
diff
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|
1106 ICMP_PROT |
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parents:
diff
changeset
|
1107 ); |
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parents:
diff
changeset
|
1108 } |
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parents:
diff
changeset
|
1109 |
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parents:
diff
changeset
|
1110 /* |
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parents:
diff
changeset
|
1111 +--------------------------------------------------------------------+ |
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parents:
diff
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|
1112 | PROJECT : WAP MODULE : IP_KERF | |
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parents:
diff
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|
1113 | STATE : code ROUTINE : init_ip | |
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parents:
diff
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|
1114 +--------------------------------------------------------------------+ |
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parents:
diff
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|
1115 * |
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parents:
diff
changeset
|
1116 * Init the global parameter |
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parents:
diff
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|
1117 */ |
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parents:
diff
changeset
|
1118 void init_ip (void) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1119 { |
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parents:
diff
changeset
|
1120 T_HILA * p_ul = & ip_data->hila; |
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parents:
diff
changeset
|
1121 T_LOLA * p_dl = & ip_data->lola; |
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parents:
diff
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|
1122 T_KER * p_ker = & ip_data->ker; |
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parents:
diff
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|
1123 USHORT j; |
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parents:
diff
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|
1124 |
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parents:
diff
changeset
|
1125 INIT_STATE (HILA, DOWN); |
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parents:
diff
changeset
|
1126 INIT_STATE (LOLA, DOWN); |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1127 INIT_STATE (KER, DEACTIVATED); |
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parents:
diff
changeset
|
1128 |
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parents:
diff
changeset
|
1129 p_ul->dti_data_req = NULL; |
d393cd9bb723
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parents:
diff
changeset
|
1130 p_ul->drop_packet = FALSE; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1131 p_ul->ttl = STANDARD_TTL; |
d393cd9bb723
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parents:
diff
changeset
|
1132 p_ul->header_len = MIN_HEADER_LEN; |
d393cd9bb723
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parents:
diff
changeset
|
1133 p_ul->state_segment = NO_SEGMENTS; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1134 p_ul->segment_offset = 0; |
d393cd9bb723
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parents:
diff
changeset
|
1135 p_ul->segment_prot = NO_PROT_ID; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1136 p_ul->first_desc_segment = NULL; |
d393cd9bb723
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parents:
diff
changeset
|
1137 p_ul->identity = IDENTITY_0; |
d393cd9bb723
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parents:
diff
changeset
|
1138 |
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parents:
diff
changeset
|
1139 p_dl->drop_packet = FALSE; |
d393cd9bb723
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parents:
diff
changeset
|
1140 p_dl->dti_data_ind= NULL; |
d393cd9bb723
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parents:
diff
changeset
|
1141 p_dl->pos_server = 0; |
d393cd9bb723
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parents:
diff
changeset
|
1142 |
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parents:
diff
changeset
|
1143 for (j = 0; j < MAX_SEGM_SERVER; j++) |
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parents:
diff
changeset
|
1144 { |
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parents:
diff
changeset
|
1145 p_dl->state_reassembly[j] = NO_SEGMENTS; |
d393cd9bb723
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parents:
diff
changeset
|
1146 p_dl->got_first_segment[j] = FALSE; |
d393cd9bb723
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parents:
diff
changeset
|
1147 p_dl->got_last_segment[j] = FALSE; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1148 p_dl->ip_source_addr_segment[j] = NO_ADDR; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1149 p_dl->data_ind_reassembly[j] = NULL; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1150 p_dl->id_reassemble[j] = NO_ID_REASSBL; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1151 p_dl->prot_reassemble[j] = NO_PROT_REASSBL; |
d393cd9bb723
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parents:
diff
changeset
|
1152 } |
d393cd9bb723
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parents:
diff
changeset
|
1153 |
d393cd9bb723
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parents:
diff
changeset
|
1154 p_ker->peer_addr = NO_ADDR; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1155 p_ker->netmask = INIT_NETMASK; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1156 p_ker->source_addr = NO_ADDR; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1157 p_ker->dst_addr = NO_ADDR; |
d393cd9bb723
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parents:
diff
changeset
|
1158 |
d393cd9bb723
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parents:
diff
changeset
|
1159 #ifdef _SIMULATION_ |
d393cd9bb723
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parents:
diff
changeset
|
1160 p_ker->source_addr = TEST_SRC_ADDR; |
d393cd9bb723
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parents:
diff
changeset
|
1161 p_ker->dst_addr = TEST_DEST_ADDR; |
d393cd9bb723
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parents:
diff
changeset
|
1162 #endif |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1163 |
d393cd9bb723
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parents:
diff
changeset
|
1164 p_ker->entity_name_hl[0] = 0; |
d393cd9bb723
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parents:
diff
changeset
|
1165 p_ker->entity_name_ll[0] = 0; |
d393cd9bb723
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parents:
diff
changeset
|
1166 |
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parents:
diff
changeset
|
1167 p_ker->link_id_ll = IPA_LINK_ID_DEFAULT; |
d393cd9bb723
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parents:
diff
changeset
|
1168 p_ker->link_id_hl = IPA_LINK_ID_DEFAULT; |
d393cd9bb723
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parents:
diff
changeset
|
1169 |
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parents:
diff
changeset
|
1170 p_ker->mtu = NO_MTU; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1171 p_ker->icmp_dti_data_req = NULL; |
d393cd9bb723
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parents:
diff
changeset
|
1172 p_ker->send_icmp = FALSE; |
d393cd9bb723
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parents:
diff
changeset
|
1173 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1174 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1175 /* |
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diff
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|
1176 +--------------------------------------------------------------------+ |
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parents:
diff
changeset
|
1177 | PROJECT : GSM-FaD (8444) MODULE : IP_KERF | |
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parents:
diff
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|
1178 | STATE : code ROUTINE : config_down_ll | |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1179 +--------------------------------------------------------------------+ |
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parents:
diff
changeset
|
1180 * |
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parents:
diff
changeset
|
1181 * Config down a lower layer entity |
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parents:
diff
changeset
|
1182 */ |
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parents:
diff
changeset
|
1183 void config_down_ll (void) |
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parents:
diff
changeset
|
1184 { |
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parents:
diff
changeset
|
1185 T_HILA * p_ul = & ip_data->hila; |
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parents:
diff
changeset
|
1186 T_LOLA * p_dl = & ip_data->lola; |
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parents:
diff
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|
1187 T_KER * p_ker = & ip_data->ker; |
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parents:
diff
changeset
|
1188 |
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parents:
diff
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|
1189 USHORT j; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1190 |
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parents:
diff
changeset
|
1191 TRACE_FUNCTION ("config_down_ll()"); |
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parents:
diff
changeset
|
1192 |
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parents:
diff
changeset
|
1193 free_primitive_data_ind (& p_dl->dti_data_ind); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1194 free_primitive_data_req (& p_ker->icmp_dti_data_req); |
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parents:
diff
changeset
|
1195 |
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parents:
diff
changeset
|
1196 for (j = 0; j < MAX_SEGM_SERVER; j++) |
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parents:
diff
changeset
|
1197 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1198 /* free_primitive_data_ind (p_dl->data_ind_reassembly + j); */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1199 /* Has already been freed five lines above, */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1200 /* because p_dl->dti_data_ind == p_dl->data_ind_reassembly. */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1201 /* Please think anew when MAX_SEGM_SERVER becomes != 1. */ |
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parents:
diff
changeset
|
1202 |
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parents:
diff
changeset
|
1203 csf_stop_timer (j); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1204 p_dl->timer_reass_running[j] = FALSE; |
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parents:
diff
changeset
|
1205 |
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parents:
diff
changeset
|
1206 p_dl->state_reassembly[j] = NO_SEGMENTS; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1207 p_dl->got_first_segment[j] = FALSE; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1208 p_dl->got_last_segment[j] = FALSE; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1209 p_dl->ip_source_addr_segment[j] = NO_ADDR; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1210 p_dl->data_ind_reassembly[j] = NULL; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1211 p_dl->id_reassemble[j] = NO_ID_REASSBL; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1212 p_dl->prot_reassemble[j] = NO_PROT_REASSBL; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1213 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1214 |
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parents:
diff
changeset
|
1215 /* Keep STATE_WAIT are stored even if config down |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1216 * send READY_IND and set HILA STATE to IDLE if */ |
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parents:
diff
changeset
|
1217 |
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parents:
diff
changeset
|
1218 switch (GET_STATE (HILA)) { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1219 case WAIT: /* Keep state */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1220 break; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1221 case SEND: /* Send ready indication */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1222 dti_start ( |
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src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1223 ip_hDTI, |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1224 IP_DTI_DEF_INSTANCE, |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1225 IP_DTI_HL_INTERFACE, |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1226 IP_DTI_DEF_CHANNEL |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1227 ); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1228 default: |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1229 SET_STATE (HILA, IDLE); |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1230 break; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1231 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1232 SET_STATE (HILA, IDLE) |
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parents:
diff
changeset
|
1233 |
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parents:
diff
changeset
|
1234 p_ul->drop_packet = FALSE; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1235 p_ul->state_segment = NO_SEGMENTS; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1236 p_ul->header_len = MIN_HEADER_LEN; |
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parents:
diff
changeset
|
1237 p_ul->ttl = STANDARD_TTL; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1238 p_ul->segment_prot = NO_PROT_ID; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1239 p_ul->segment_offset = 0; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1240 p_ul->first_desc_segment = NULL; |
d393cd9bb723
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parents:
diff
changeset
|
1241 |
d393cd9bb723
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parents:
diff
changeset
|
1242 /* Be sure that STATE_WAIT are stored even if config down */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1243 |
d393cd9bb723
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parents:
diff
changeset
|
1244 if (GET_STATE (LOLA) NEQ WAIT) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1245 SET_STATE (LOLA, IDLE) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1246 p_dl->drop_packet = FALSE; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1247 |
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parents:
diff
changeset
|
1248 p_dl->pos_server = 0; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1249 |
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parents:
diff
changeset
|
1250 p_ker->peer_addr = NO_ADDR; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1251 p_ker->netmask = INIT_NETMASK; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1252 p_ker->source_addr = NO_ADDR; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1253 p_ker->dst_addr = NO_ADDR; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1254 p_ker->entity_name_ll[0] = 0; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1255 p_ker->mtu = NO_MTU; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1256 p_ker->send_icmp = FALSE; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1257 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1258 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1259 /* |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1260 +--------------------------------------------------------------------+ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1261 | PROJECT : GSM-FaD (8444) MODULE : IP_KERF | |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1262 | Sp_TATE : code ROUTINE : terminate_ip | |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1263 +--------------------------------------------------------------------+ |
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parents:
diff
changeset
|
1264 * |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1265 * Handle global parameter by terminate |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1266 */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1267 void terminate_ip (void) |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1268 { |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1269 TRACE_FUNCTION ("terminate_ip()"); |
d393cd9bb723
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parents:
diff
changeset
|
1270 |
d393cd9bb723
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parents:
diff
changeset
|
1271 /* Shutdown lower entity interface */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1272 config_down_ll (); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1273 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1274 /* Parameter for higher layer entity */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1275 ip_data->ker.entity_name_hl[0] = 0; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1276 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1277 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1278 /* |
d393cd9bb723
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parents:
diff
changeset
|
1279 +--------------------------------------------------------------------+ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1280 | PROJECT : GSM-FaD (8444) MODULE : IP_KERF | |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1281 | STATE : code ROUTINE : ip_addr_int_to_byte | |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1282 +--------------------------------------------------------------------+ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1283 * |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1284 * Build the IP address in ULONG to 4 bytes |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1285 */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1286 void ip_addr_int_to_byte (UBYTE * b_values, ULONG ul_value) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1287 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1288 TRACE_FUNCTION ("int_to_byte()"); |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1289 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1290 b_values[3] = (UBYTE) (ul_value); |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1291 b_values[2] = (UBYTE) (ul_value>>8); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1292 b_values[1] = (UBYTE) (ul_value>>16); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1293 b_values[0] = (UBYTE) (ul_value>>24); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1294 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1295 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1296 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1297 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1298 | PROJECT : GSM-FaD (8444) MODULE : IP_KERF | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1299 | STATE : code ROUTINE : chk_packet_len | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1300 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1301 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1302 * Check the IP packet length |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1303 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1304 UBYTE chk_packet_len (UBYTE * ip_header, T_desc_list2 * desc_list) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1305 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1306 USHORT total_len, chk_len, mtu_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1307 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1308 TRACE_FUNCTION ("chk_packet_len()"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1309 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1310 /* This is the calculated length */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1311 total_len = desc_list->list_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1312 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1313 /* This is the length indicated in the IP header */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1314 chk_len = (USHORT) GET_IP_TOTAL_LEN (ip_header); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1315 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1316 /* This is the max defined packet length */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1317 mtu_len = ip_data->ker.mtu; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1318 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1319 if ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1320 (chk_len < MIN_HEADER_LEN) OR (chk_len > total_len) OR |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1321 (total_len < MIN_HEADER_LEN) OR (chk_len > mtu_len) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1322 ) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1323 return ERR_PACKET_LEN; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1324 else if (chk_len < total_len) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1325 return CHANGE_PACKET_LEN; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1326 else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1327 return NO_ERROR; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1328 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1329 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1330 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1331 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1332 | PROJECT : GSM-FaD (8444) MODULE : IP_KERF | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1333 | STATE : code ROUTINE : build_ip_packet | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1334 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1335 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1336 * Build the datagram or packets before sending |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1337 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1338 void build_ip_packet (BOOL uplink, UBYTE select) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1339 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1340 UBYTE * ip_header; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1341 USHORT total_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1342 ULONG dest_addr, src_addr; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1343 T_desc_list2 * desc_list; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1344 T_desc2 * desc; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1345 T_HILA * p_ul = & ip_data->hila; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1346 T_LOLA * p_dl = & ip_data->lola; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1347 T_KER * p_ker = & ip_data->ker; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1348 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1349 T_DTI2_DATA_REQ * data_req; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1350 T_DTI2_DATA_IND * data_ind; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1351 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1352 TRACE_FUNCTION ("build_ip_packet()"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1353 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1354 src_addr = p_ker->source_addr; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1355 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1356 /* Build uplink packets */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1357 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1358 if (uplink) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1359 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1360 data_req = p_ul->dti_data_req; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1361 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1362 switch (select) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1363 /* Build "standard" IP packet */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1364 case B_NORMAL_PACKET: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1365 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1366 desc_list = & p_ul->dti_data_req->desc_list2; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1367 total_len = desc_list->list_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1368 desc = (T_desc2 *) desc_list->first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1369 ip_header = desc->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1370 dest_addr = GET_IP_DEST_ADDR (ip_header);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1371 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1372 build_ip_header ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1373 ip_header, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1374 p_ul->identity, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1375 (UBYTE) p_ul->header_len, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1376 NORMAL_SERVICE, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1377 p_ul->ttl, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1378 src_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1379 dest_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1380 total_len, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1381 NO_OFFSET_FRAG, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1382 FLAG_NOT_SET, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1383 FLAG_NOT_SET, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1384 UDP_PROT |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1385 ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1386 #ifndef _SIMULATION_ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1387 p_ul->identity++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1388 #endif |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1389 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1390 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1391 /* Build IP header for ICMP messages. Note only ICMP from higher layer. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1392 case B_ICMP_PACKET: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1393 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1394 desc_list = & p_ul->dti_data_req->desc_list2; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1395 total_len = desc_list->list_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1396 desc = (T_desc2 *) desc_list->first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1397 ip_header = desc->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1398 dest_addr = GET_IP_DEST_ADDR (ip_header);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1399 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1400 build_ip_header ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1401 ip_header, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1402 p_ul->identity, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1403 (UBYTE) p_ul->header_len, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1404 NORMAL_SERVICE, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1405 p_ul->ttl, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1406 src_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1407 dest_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1408 total_len, |
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src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1409 NO_OFFSET_FRAG, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1410 FLAG_NOT_SET, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1411 FLAG_NOT_SET, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1412 ICMP_PROT |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1413 ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1414 #ifndef _SIMULATION_ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1415 p_ul->identity++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1416 #endif |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1417 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1418 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1419 /* Build fragments. The first fragment use the original header from HL. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1420 case B_SEGMENT: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1421 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1422 /* Check if it is the first fragment */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1423 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1424 if (p_ul->state_segment EQ NO_SEGMENTS) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1425 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1426 T_desc2 * desc_new; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1427 USHORT pos_copy, total_len_copy, malloc_len, header_len_b; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1428 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1429 desc_list = & p_ul->dti_data_req->desc_list2; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1430 total_len = desc_list->list_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1431 desc = (T_desc2 *) desc_list->first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1432 ip_header = desc->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1433 dest_addr = GET_IP_DEST_ADDR (ip_header);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1434 src_addr = p_ker->source_addr; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1435 p_ul->header_len = (USHORT) GET_IP_HEADER_LEN (ip_header); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1436 header_len_b = (USHORT) GET_IP_HEADER_LEN_B (ip_header); |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1437 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1438 p_ul->state_segment = SEND_SEGMENT; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1439 p_ul->sended_segment_len = p_ker->mtu; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1440 p_ul->list_len_segment = total_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1441 p_ul->segment_prot = GET_IP_PROT (ip_header);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1442 p_ul->first_desc_segment = desc; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1443 dest_addr = GET_IP_DEST_ADDR (ip_header);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1444 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1445 /* Make a new desc for the fragment */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1446 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1447 malloc_len = p_ker->mtu; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1448 make_new_desc (& desc_new, malloc_len, FALSE); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1449 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1450 data_req->desc_list2.first = (ULONG) desc_new; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1451 data_req->desc_list2.list_len = malloc_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1452 desc_new->next = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1453 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1454 /* Build the first fragment */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1455 copy_from_descs_to_desc ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1456 & desc, desc_new, malloc_len, 0, 0, & pos_copy, & total_len_copy |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1457 ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1458 if (total_len_copy NEQ malloc_len) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1459 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1460 /* Corrupted packet -> drop it */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1461 p_ul->drop_packet = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1462 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1463 /* Clean up and free the descs */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1464 del_descs (p_ul->first_desc_segment); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1465 p_ul->segment_offset = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1466 p_ul->next_segment_desc = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1467 p_ul->last_segment_pos = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1468 p_ul->sended_segment_len = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1469 p_ul->state_segment = NO_SEGMENTS; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1470 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1471 else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1472 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1473 p_ul->segment_id = p_ul->identity; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1474 p_ul->segment_offset = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1475 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1476 build_ip_header ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1477 desc_new->buffer, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1478 p_ul->segment_id, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1479 (UBYTE) p_ul->header_len, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1480 NORMAL_SERVICE, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1481 p_ul->ttl, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1482 src_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1483 dest_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1484 malloc_len, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1485 (USHORT) (p_ul->segment_offset >> 3), |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1486 FLAG_NOT_SET, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1487 FLAG_SET, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1488 p_ul->segment_prot |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1489 ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1490 #ifndef _SIMULATION_ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1491 p_ul->identity++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1492 #endif |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1493 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1494 /* For the next fragment */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1495 p_ul->segment_offset = (USHORT) (malloc_len - header_len_b); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1496 p_ul->next_segment_desc = (ULONG) desc; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1497 p_ul->last_segment_pos = pos_copy; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1498 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1499 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1500 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1501 /* Middle fragment */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1502 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1503 else if (p_ul->sended_segment_len + p_ker->mtu < |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1504 p_ul->list_len_segment + LEN_IP_HEADER_B) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1505 { |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1506 T_desc2 * desc_new; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1507 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1508 USHORT pos_copy, total_len_copy, malloc_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1509 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1510 /* Make a new primitive for the fragment */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1511 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1512 PALLOC (dti_data_req, DTI2_DATA_REQ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1513 p_ul->dti_data_req = dti_data_req; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1514 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1515 /* Malloc the fragment desc */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1516 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1517 malloc_len = p_ker->mtu; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1518 make_new_desc (& desc_new, malloc_len, FALSE); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1519 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1520 dti_data_req->desc_list2.first = (ULONG) desc_new; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1521 dti_data_req->desc_list2.list_len = malloc_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1522 desc_new->next = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1523 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1524 /* Copy the data into the fragment desc */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1525 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1526 desc = (T_desc2 *) p_ul->next_segment_desc; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1527 copy_from_descs_to_desc ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1528 & desc, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1529 desc_new, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1530 (USHORT) (malloc_len - LEN_IP_HEADER_B), |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1531 p_ul->last_segment_pos, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1532 LEN_IP_HEADER_B, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1533 & pos_copy, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1534 & total_len_copy |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1535 ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1536 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1537 if (total_len_copy NEQ malloc_len - LEN_IP_HEADER_B) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1538 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1539 /* Corrupted packet -> drop it */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1540 p_ul->drop_packet = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1541 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1542 /* Clean up and free the descs */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1543 del_descs (p_ul->first_desc_segment); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1544 p_ul->segment_offset = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1545 p_ul->next_segment_desc = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1546 p_ul->last_segment_pos = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1547 p_ul->sended_segment_len = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1548 p_ul->state_segment = NO_SEGMENTS; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1549 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1550 else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1551 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1552 /* Build the IP fragment */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1553 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1554 UBYTE * ip_header_first = p_ul->first_desc_segment->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1555 dest_addr = GET_IP_DEST_ADDR (ip_header_first);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1556 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1557 build_ip_header ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1558 desc_new->buffer, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1559 p_ul->segment_id, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1560 MIN_HEADER_LEN, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1561 NORMAL_SERVICE, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1562 p_ul->ttl, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1563 src_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1564 dest_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1565 malloc_len, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1566 (USHORT) (p_ul->segment_offset >> 3), |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1567 FLAG_NOT_SET, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1568 FLAG_SET, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1569 p_ul->segment_prot |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1570 ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1571 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1572 /* For the next fragment */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1573 p_ul->segment_offset = (USHORT) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1574 (p_ul->segment_offset + malloc_len - LEN_IP_HEADER_B); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1575 p_ul->next_segment_desc = (ULONG) desc; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1576 p_ul->last_segment_pos = pos_copy; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1577 p_ul->sended_segment_len = (USHORT) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1578 (p_ul->sended_segment_len + malloc_len - LEN_IP_HEADER_B); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1579 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1580 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1581 else /* Last fragment */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1582 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1583 T_desc2 * desc_new; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1584 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1585 USHORT pos_copy, total_len_copy, malloc_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1586 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1587 /* Make a new primitive for the fragment */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1588 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1589 PALLOC (dti_data_req, DTI2_DATA_REQ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1590 p_ul->dti_data_req = dti_data_req; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1591 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1592 /* Calculate the correct len for fragment desc and malloc */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1593 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1594 malloc_len = (USHORT) (LEN_IP_HEADER_B + |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1595 p_ul->list_len_segment - p_ul->sended_segment_len); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1596 make_new_desc (& desc_new, malloc_len, FALSE); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1597 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1598 dti_data_req->desc_list2.first = (ULONG) desc_new; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1599 dti_data_req->desc_list2.list_len = malloc_len; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1600 desc_new->next = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1601 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1602 /* Copy the data into the fragment desc */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1603 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1604 desc = (T_desc2 *) p_ul->next_segment_desc; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1605 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1606 copy_from_descs_to_desc ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1607 & desc, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1608 desc_new, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1609 (USHORT) (malloc_len - LEN_IP_HEADER_B), |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1610 p_ul->last_segment_pos, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1611 LEN_IP_HEADER_B, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1612 & pos_copy, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1613 & total_len_copy |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1614 ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1615 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1616 if (total_len_copy NEQ malloc_len - LEN_IP_HEADER_B) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1617 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1618 /* Corrupted packet -> drop it */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1619 p_ul->drop_packet = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1620 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1621 /* Clean up and free the descs */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1622 del_descs (p_ul->first_desc_segment); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1623 p_ul->segment_offset = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1624 p_ul->next_segment_desc = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1625 p_ul->last_segment_pos = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1626 p_ul->sended_segment_len = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1627 p_ul->state_segment = NO_SEGMENTS; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1628 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1629 else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1630 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1631 /* Build the fragment header */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1632 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1633 UBYTE * ip_header_first = p_ul->first_desc_segment->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1634 dest_addr = GET_IP_DEST_ADDR (ip_header_first);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1635 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1636 build_ip_header ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1637 desc_new->buffer, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1638 p_ul->segment_id, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1639 MIN_HEADER_LEN, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1640 NORMAL_SERVICE, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1641 p_ul->ttl, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1642 src_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1643 dest_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1644 malloc_len, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1645 (USHORT) (p_ul->segment_offset >> 3), |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1646 FLAG_NOT_SET, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1647 FLAG_NOT_SET, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1648 p_ul->segment_prot |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1649 ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1650 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1651 /* Clean up and free the descs */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1652 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1653 del_descs (p_ul->first_desc_segment); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1654 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1655 p_ul->segment_offset = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1656 p_ul->next_segment_desc = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1657 p_ul->last_segment_pos = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1658 p_ul->sended_segment_len = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1659 p_ul->state_segment = NO_SEGMENTS; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1660 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1661 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1662 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1663 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1664 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1665 default: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1666 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1667 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1668 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1669 else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1670 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1671 data_ind = p_dl->dti_data_ind; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1672 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1673 /* Compute DL packets */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1674 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1675 switch (select) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1676 /* Ping request */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1677 case B_ICMP_ECHO_REPLY: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1678 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1679 USHORT header_len_b; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1680 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1681 PPASS (data_ind, data_request, DTI2_DATA_REQ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1682 desc_list = & data_request->desc_list2; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1683 desc = (T_desc2 *) desc_list->first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1684 ip_header = desc->buffer; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1685 header_len_b = (USHORT) GET_IP_HEADER_LEN_B (ip_header); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1686 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1687 dest_addr = GET_IP_SOURCE_ADDR (ip_header);/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1688 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1689 build_icmp_packet ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1690 (UBYTE) header_len_b, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1691 ICMP_TYP_ECHO_REPLY, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1692 ICMP_CODE_ECHO_REPLY, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1693 p_ul->ttl, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1694 ip_header, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1695 p_ul->identity, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1696 dest_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1697 src_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1698 desc_list |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1699 ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1700 #ifndef _SIMULATION_ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1701 p_ul->identity++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1702 #endif |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1703 p_ker->icmp_dti_data_req = data_request; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1704 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1705 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1706 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1707 case B_ICMP_REASSEMBLE_TIMEOUT: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1708 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1709 /* Datagram for ICMP - reassembly - message */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1710 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1711 data_ind = p_dl->data_ind_reassembly[p_dl->pos_server]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1712 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1713 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1714 PPASS (data_ind, data_request, DTI2_DATA_REQ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1715 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1716 build_icmp_with_payload ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1717 data_request, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1718 p_ul->identity, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1719 p_ul->ttl, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1720 p_ker->source_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1721 ICMP_TYP_TIME_EXCEDED, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1722 ICMP_CODE_FRAGM_TIME_EXC |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1723 ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1724 #ifndef _SIMULATION_ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1725 p_ul->identity++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1726 #endif |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1727 p_ker->icmp_dti_data_req = data_request; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1728 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1729 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1730 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1731 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1732 case B_ICMP_NO_FORWARD: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1733 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1734 /* No destination address - build ICMP frame */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1735 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1736 PPASS (data_ind, data_request, DTI2_DATA_REQ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1737 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1738 build_icmp_with_payload ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1739 data_request, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1740 p_ul->identity, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1741 p_ul->ttl, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1742 p_ker->source_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1743 ICMP_TYP_DEST_URECHBL, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1744 ICMP_CODE_NO_HOST |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1745 ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1746 #ifndef _SIMULATION_ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1747 p_ul->identity++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1748 #endif |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1749 p_ker->icmp_dti_data_req = data_request; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1750 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1751 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1752 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1753 default: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1754 break; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1755 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1756 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1757 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1758 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1759 /* |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1760 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1761 | PROJECT : GSM-FaD (8444) MODULE : IP_KERF | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1762 | STATE : code ROUTINE : check_ip_address | |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1763 +--------------------------------------------------------------------+ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1764 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1765 * Check the IP address |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1766 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1767 void check_ip_address ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1768 BOOL * addr_type_dest, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1769 BOOL * addr_type_src, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1770 ULONG dest_addr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1771 ULONG src_addr |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1772 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1773 UBYTE i; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1774 UBYTE b_dest_addr[4], b_src_addr[4], first_nibbl_dest, first_nibbl_src; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1775 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1776 #define BCAST 0xFF |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1777 #define LOOP_BACK 0x7F |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1778 #define DEFAULT_ROUTE 0 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1779 #define CLASS_A 0x0 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1780 #define CLASS_B 0x2 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1781 #define CLASS_C 0x6 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1782 #define MULTICAST 0xE |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1783 #define CLASS_E 0xF |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1784 #define M_CAST_FF 0xFFFFFFFF |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1785 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1786 TRACE_FUNCTION ("check_ip_address()"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1787 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1788 ip_addr_int_to_byte (b_dest_addr, dest_addr); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1789 ip_addr_int_to_byte (b_src_addr, src_addr); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1790 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1791 first_nibbl_dest = (UBYTE) (b_dest_addr[0] >> 4); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1792 first_nibbl_src = (UBYTE) (b_src_addr[0] >> 4); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1793 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1794 for (i=0; i < MAX_ADDR_TYPES; i++) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1795 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1796 addr_type_dest[i] = FALSE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1797 addr_type_src[i] = FALSE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1798 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1799 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1800 /* Check if broadcast address */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1801 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1802 if (dest_addr EQ M_CAST_FF) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1803 addr_type_dest[BCAST_ADDR_255] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1804 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1805 if (src_addr EQ M_CAST_FF) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1806 addr_type_src[BCAST_ADDR_255] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1807 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1808 /* Correct destination address? */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1809 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1810 if (dest_addr NEQ src_addr) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1811 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1812 addr_type_dest[NO_DEST_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1813 addr_type_src[NO_DEST_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1814 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1815 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1816 /* Loop-back address? */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1817 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1818 if (b_dest_addr[0] EQ LOOP_BACK) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1819 addr_type_dest[LOOP_BACK_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1820 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1821 if (b_src_addr[0] EQ LOOP_BACK) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1822 addr_type_src[LOOP_BACK_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1823 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1824 /* Check kind of class */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1825 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1826 if ((first_nibbl_src >> 3) EQ CLASS_A) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1827 addr_type_src[CLASS_A_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1828 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1829 if ((first_nibbl_dest >> 3) EQ CLASS_A) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1830 addr_type_dest[CLASS_A_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1831 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1832 if ((first_nibbl_src >> 2) EQ CLASS_B) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1833 addr_type_src[CLASS_B_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1834 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1835 if ((first_nibbl_dest >> 2) EQ CLASS_B) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1836 addr_type_dest[CLASS_B_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1837 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1838 if ((first_nibbl_src >> 1) EQ CLASS_C) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1839 addr_type_src[CLASS_C_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1840 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1841 if ((first_nibbl_dest >> 1) EQ CLASS_C) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1842 addr_type_dest[CLASS_C_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1843 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1844 if (first_nibbl_src EQ CLASS_E AND dest_addr NEQ M_CAST_FF) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1845 addr_type_src[CLASS_E_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1846 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1847 if (first_nibbl_dest EQ CLASS_E AND src_addr NEQ M_CAST_FF) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1848 addr_type_dest[CLASS_E_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1849 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1850 /* Multicast or class D */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1851 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1852 if (first_nibbl_dest EQ MULTICAST) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1853 addr_type_dest[MCAST_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1854 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1855 if (first_nibbl_src EQ MULTICAST) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1856 addr_type_src[MCAST_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1857 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1858 /* Default route */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1859 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1860 if (dest_addr EQ DEFAULT_ROUTE) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1861 addr_type_dest[DEFAULT_R_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1862 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1863 if (src_addr EQ DEFAULT_ROUTE) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1864 addr_type_src[DEFAULT_R_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1865 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1866 /* Bad address? */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1867 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1868 if ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1869 addr_type_src[BCAST_ADDR_255] OR |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1870 addr_type_src[LOOP_BACK_ADDR] OR |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1871 addr_type_src[DEFAULT_R_ADDR] |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1872 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1873 addr_type_src[BAD_UL_SRC_ADDR] = TRUE; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1874 addr_type_src[BAD_DL_SRC_ADDR] = TRUE; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1875 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1876 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1877 if ( |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1878 addr_type_dest[BCAST_ADDR_255] OR |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1879 addr_type_dest[LOOP_BACK_ADDR] OR |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1880 addr_type_dest[DEFAULT_R_ADDR] |
d393cd9bb723
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parents:
diff
changeset
|
1881 ) { |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1882 addr_type_dest[BAD_UL_DEST_ADDR] = TRUE; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1883 addr_type_dest[BAD_DL_DEST_ADDR] = TRUE; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1884 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1885 } |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1886 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1887 /* Internet checksum calculations as needed in IP and UDP. |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1888 * See RFC 1071 for details. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1889 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1890 * USHORT inet_checksum (UBYTE * block, USHORT len) |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1891 * Computes the Internet checksum over a simple data block. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1892 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1893 * USHORT desc_checksum ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1894 * T_desc_list2 * dlist, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1895 * USHORT start_offset, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1896 * ULONG start_value |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1897 * ) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1898 * Computes the Internet checksum over a DTI descriptor list, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1899 * beginning at start_offset and with start_value. */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1900 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1901 #define LITTLE_ENDIAN /* Change this for big-endian mode. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1902 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1903 /** Computes the Internet checksum [RFC 1071] over a simple data block. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1904 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1905 * @param block pointer to data block |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1906 * @param len length of the block in octets |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1907 * @return the checksum |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1908 */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1909 USHORT inet_checksum (UBYTE * block, USHORT len) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1910 { |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1911 BOOL have_leftover = len % 2; /* If non-zero, there is a leftover |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1912 * octet at the end of the (odd-sized) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1913 * data block. */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1914 ULONG value; /* Value to add. (Since we know |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1915 * nothing about the alignment of the |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1916 * block, we can't read the USHORTs |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1917 * directly from the block.) */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1918 ULONG checksum = 0; /* Checksum accumulator. */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1919 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1920 len >>= 1; /* Count words now, not octets. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1921 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1922 while (len--) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1923 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1924 /* Because we must read the data bytewise, we cannot profit from |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1925 * the independency of endianness of the original algorithm. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1926 * That means that we have to make two different cases for big |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1927 * endian and little endian. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1928 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1929 #if defined LITTLE_ENDIAN |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1930 /*lint -e{661} (Warning -- access of out-of-bounds pointer) */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1931 value = block[1]<<8 | block[0]; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1932 #elif defined BIG_ENDIAN |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1933 /*lint -e{662} (Warning -- creation of out-of-bounds pointer) */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1934 value = block[0]<<8 | block[1]; |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1935 #else |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1936 #error "LITTLE_ENDIAN or BIG_ENDIAN must be defined." |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1937 #endif |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1938 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1939 checksum += value; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1940 /*lint -e{662} (Warning -- creation of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1941 block +=2; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1942 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1943 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1944 if (have_leftover) |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1945 /*lint -e{661} (Warning -- access of out-of-bounds pointer) */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1946 checksum += *block; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1947 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1948 /* Fold into 16 bits. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1949 while (checksum >> 16) |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1950 checksum = (checksum & 0xffff) + (checksum >> 16); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1951 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1952 return (USHORT) ~checksum; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1953 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1954 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1955 /** Computes a part of an Internet checksum over a data block. A |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1956 * leftover octet from a previous partial calculation is taken into |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1957 * account. If an octet is left over, it is returned as well as the |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1958 * fact that there is a leftover octet. This function is intended to |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1959 * be called only by desc_checksum() and partial_checksum(). |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1960 * |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1961 * @param block pointer to data block |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1962 * @param len length of the block in octets |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1963 * @param sum checksum value to begin with |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1964 * @param have_leftover_ptr if non-zero, a leftover octet is in *leftover_ptr |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1965 * @param leftover_ptr pointer to leftover octet; valid on input and |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1966 * output iff *have_leftover_ptr |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1967 * @return the part of the sum calculated |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1968 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1969 static ULONG checksum_block_part ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1970 UBYTE * block, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1971 USHORT len, |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1972 ULONG sum, |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1973 BOOL * have_leftover_ptr, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1974 UBYTE * leftover_ptr |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1975 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1976 /* This function is as complicated as it is for two reasons: |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1977 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1978 * (a) Each block may have an even or odd number of octets. Because |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1979 * this checksum is 16-bit based, an octet may be left over from the |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1980 * previous calculation and must be taken into account. Also in this |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1981 * calculation an octet may be left over. This fact and the value of |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1982 * the octet must be made known to the caller. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1983 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1984 * (b) We must not make any assumptions about the alignment of the |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1985 * block. Therefore, in order not to cause alignment problems, all |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1986 * 16-bit values must be read bytewise. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1987 |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1988 ULONG value; /* 16-bit value to be summed up */ |
d393cd9bb723
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1989 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1990 TRACE_FUNCTION ("checksum_block_part()"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1991 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1992 /* Previous calculation may have left over an octet. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1993 if (*have_leftover_ptr) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1994 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1995 if (len == 0) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1996 return sum; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1997 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1998 /* See comment in inet_checksum() above for an explanation. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1999 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2000 #if defined LITTLE_ENDIAN |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2001 value = (*block++ << 8) | *leftover_ptr; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2002 #elif defined BIG_ENDIAN |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2003 value = (*leftover_ptr << 8) | *block++; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2004 #else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2005 #error "LITTLE_ENDIAN or BIG_ENDIAN must be defined." |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2006 #endif |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2007 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2008 len--; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2009 sum += value; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2010 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2011 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2012 /* Main loop over word values. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2013 *have_leftover_ptr = len % 2; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2014 len >>= 1; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2015 while (len--) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2016 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2017 /* See comment in inet_checksum() above for an explanation. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2018 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2019 #if defined LITTLE_ENDIAN |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2020 value = block[1]<<8 | block[0]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2021 #elif defined BIG_ENDIAN |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2022 value = block[0]<<8 | block[1]; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2023 #else |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2024 #error "LITTLE_ENDIAN or BIG_ENDIAN must be defined." |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2025 #endif |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2026 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2027 sum += value; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2028 block +=2; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2029 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2030 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2031 /* Check for leftover octet. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2032 if (*have_leftover_ptr) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2033 *leftover_ptr = *block; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2034 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2035 return sum; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2036 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2037 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2038 /** Compute a partial Internet checksum to be used as a astart_value |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2039 * for desc_checksum. The block must have even length. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2040 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2041 * @param block data block to compute the checksum over |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2042 * @param len length of the block |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2043 * @return the partial sum calculated |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2044 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2045 ULONG partial_checksum (UBYTE * block, USHORT len) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2046 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2047 BOOL dummy1 = 0; /* Needed to call checksum_block_part(). */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2048 UBYTE dummy2 = 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2049 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2050 return checksum_block_part (block, len, 0, & dummy1, & dummy2); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2051 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2052 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2053 /** Computes the Internet checksum over a DTI descriptor list. There |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2054 * may be a value from a previous partial calculation that is added to |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2055 * the sum as a start value. The function relies on the data length |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2056 * being at least start_offset. |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2057 * |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2058 * @param dlist descriptor list containing the data |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2059 * @param start_offset beginning position of interesting data |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2060 * @param start_value value from previous partial checksum calculation |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2061 * @return the checksum value |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2062 */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2063 USHORT desc_checksum ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2064 T_desc_list2 * dlist, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2065 USHORT start_offset, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2066 ULONG start_value |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2067 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2068 ULONG checksum = start_value; /* The checksum to be calculated. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2069 T_desc2 * desc_p; /* Pointer to current descriptor. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2070 BOOL have_leftover = 0; /* True iff we have a leftover octet |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2071 * from the previous partial sum. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2072 UBYTE leftover_octet = 0; /* An octet left over from the |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2073 * previous partial sum. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2074 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2075 TRACE_FUNCTION ("desc_checksum()"); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2076 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2077 /* Calculating the sum of the first buffer, we have to take the |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2078 * start offset into account. This includes finding the descriptor |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2079 * the offset lies in. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2080 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2081 desc_p = (T_desc2 *) dlist->first; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2082 while (start_offset > desc_p->len) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2083 { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2084 start_offset = (USHORT) (start_offset - desc_p->len); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2085 desc_p = (T_desc2 *) desc_p->next; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2086 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2087 checksum = checksum_block_part ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2088 desc_p->buffer + start_offset, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2089 (USHORT) (desc_p->len - start_offset), |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2090 checksum, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2091 & have_leftover, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2092 & leftover_octet |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2093 ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2094 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2095 /* Now loop over the other descriptors. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2096 for ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2097 desc_p = (T_desc2 *) desc_p->next; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2098 desc_p != 0; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2099 desc_p = (T_desc2 *) desc_p->next |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2100 ) { |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2101 checksum = checksum_block_part ( |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2102 desc_p->buffer, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2103 desc_p->len, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2104 checksum, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2105 & have_leftover, |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2106 & leftover_octet |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2107 ); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2108 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2109 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2110 if (have_leftover) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2111 checksum += leftover_octet; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2112 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2113 /* Fold into 16 bits. */ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2114 while (checksum >> 16) |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2115 checksum = (checksum & 0xffff) + (checksum >> 16); |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2116 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2117 return (USHORT) ~checksum; |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2118 } |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2119 |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2120 /*-------------------------------------------------------------------------*/ |
d393cd9bb723
src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2121 |