annotate src/g23m-fad/udp/udp_kerf.c @ 288:25d3ee009d19

audio tone amplitudes: band-aid fix for FC Luna
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 13 Nov 2021 05:02:57 +0000
parents fa8dc04885d8
children
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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_UDP
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24
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25 #include <string.h>
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26 #include "typedefs.h"
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27 #include "pcm.h"
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28 #include "pconst.cdg"
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29 #include "mconst.cdg"
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30 #include "message.h"
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31 #include "ccdapi.h"
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32 #include "vsi.h"
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33 #include "macdef.h" /* to get PFREE_DESC2 */
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34 #include "custom.h"
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35 #include "gsm.h"
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36 #include "prim.h"
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37 #include "cus_udp.h"
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38 #include "cnf_udp.h"
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39 #include "mon_udp.h"
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40 #include "pei.h"
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41 #include "tok.h"
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42 #include "dti.h" /* to get dti lib */
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43 #include "udp.h"
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44 #include "ip_udp.h"
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45
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46 /*
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47 +--------------------------------------------------------------------+
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48 | PROJECT : WAP MODULE : udp_kerf.c |
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49 | STATE : code ROUTINE : init_udp |
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50 +--------------------------------------------------------------------+
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51
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52 PURPOSE : Init the global variables of UDP
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53 */
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54
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55 void init_udp (void)
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56 {
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57 T_HILA * p_ul;
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58 T_LOLA * p_dl;
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59 T_KER * p_ker = & udp_data->ker;
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60
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61 /* Set global variables for every entity */
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62
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63 INIT_STATE (HILA, DOWN);
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64 INIT_STATE (LOLA, DOWN);
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65
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66 p_ul = & udp_data->hila;
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67 *p_ul->entity_name = 0;
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68 p_ul->dti_state = DTI_CLOSED;
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69 p_ul->dti_data_req = NULL;
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70
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71 p_dl = & udp_data->lola;
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72 *p_dl->entity_name = 0;
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73 p_dl->dti_state = DTI_CLOSED;
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74 p_dl->dti_data_ind = NULL;
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75 p_dl->drop_packet = FALSE;
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76 p_dl->state_err = STATE_DL_NO_ERROR;
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77 p_dl->src_addr = NO_ADDR;
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78 p_dl->dst_addr = NO_ADDR;
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79 p_dl->dst_port = NO_PORT;
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80 p_dl->src_port = NO_PORT;
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81
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82 /* Downlink and uplink for one entity */
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83
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84 p_ker->send_icmp = FALSE;
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85 p_ker->port_state = PORT_DOWN;
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86 p_ker->dti_data_req_icmp = NULL;
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87
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88 p_ker->dst_addr = NO_ADDR;
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89 p_ker->src_addr = NO_ADDR;
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90 p_ker->src_port = NO_PORT;
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91 p_ker->dst_port = NO_PORT;
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92 }
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93
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94 /*
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95 +--------------------------------------------------------------------+
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96 | PROJECT : WAP MODULE : udp_kerf.c |
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97 | STATE : code ROUTINE : udp_build_packet |
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98 +--------------------------------------------------------------------+
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99
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100 PURPOSE : Build UDP and ICMP packets to send
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101 */
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102
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103 void udp_build_packet (BOOL hila, UBYTE to_do)
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104 {
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105 T_KER * p_ker = & udp_data->ker;
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106
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107 if (hila) /* Build the packets for higher layer */
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108 {
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109 switch (to_do)
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110 {
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111 case B_NORMAL_PACKET:
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112 {
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113 T_desc_list2 * desc_list = & udp_data->hila.dti_data_req->desc_list2;
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114 T_desc2 * desc = (T_desc2 *) desc_list->first;
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115 USHORT udp_payload_len = desc_list->list_len;
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116
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117 if (desc == NULL)
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118 {
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119 TRACE_ERROR ("Hila's desc == NULL in udp_build_packet().");
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120 return;
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121 }
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122 else
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123 {
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124 /* Make a new desc for the IP and UDP packet header */
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125
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126 USHORT headroom = LEN_IP_HEADER_B + LEN_UDP_HEADER_B;
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127 UBYTE * ip_header;
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128 T_desc2 * desc_new = M_ALLOC (offsetof (T_desc2, buffer) + headroom);
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129
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130 if (desc_new == NULL)
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131 {
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132 TRACE_ERROR ("Not enough memory in udp_build_packet().");
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133 return;
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134 }
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parents:
diff changeset
135 desc_new->next = (ULONG) desc;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 desc_new->offset = 0;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 desc_new->len = headroom;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 desc_new->size = headroom;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 ip_header = desc_new->buffer;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 register unsigned i;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 for (i=0; i < headroom; i++)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 ip_header[i] = '\0';/*lint !e661 !e662 (Warning -- access/creation of out-of-bounds pointer) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 /* Put the desc at the first place of the descs and
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 * build the UDP header */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 desc_list->first = (ULONG) desc_new;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 desc_list->list_len = (USHORT) (desc_new->len + desc_list->list_len);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 /* Fill in IP header information */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 SET_IP_VERSION (ip_header, IP_VERSION);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 SET_IP_HEADER_LEN (ip_header, MIN_HEADER_LEN);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 /*lint -e{661, 662} (Warning -- access/creation of out-of-bounds pointer) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 SET_IP_TOTAL_LEN (ip_header, desc_list->list_len);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 SET_IP_PROT (ip_header, UDP_PROT);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 SET_IP_SOURCE_ADDR (ip_header, p_ker->src_addr);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 SET_IP_DEST_ADDR (ip_header, p_ker->dst_addr);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 SET_UDP_SRC_PORT (ip_header, p_ker->src_port);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 SET_UDP_DST_PORT (ip_header, p_ker->dst_port);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 SET_UDP_LEN (ip_header, udp_payload_len + LEN_UDP_HEADER_B);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 UBYTE pseudo_header [LEN_PSEUDO_HEADER_B];
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 ULONG overlay;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 USHORT chksum;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 /* Build the pseudoheader for to calculate the chksum */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 SET_UDP_PSEUDO_H_SRC_ADDR (pseudo_header, p_ker->src_addr);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 SET_UDP_PSEUDO_H_DEST_ADDR (pseudo_header, p_ker->dst_addr);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 SET_UDP_PSEUDO_H_ZERO (pseudo_header, 0);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 SET_UDP_PSEUDO_H_PROT (pseudo_header, UDP_PROT);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 SET_UDP_PSEUDO_H_LEN (pseudo_header, udp_payload_len + LEN_UDP_HEADER_B);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 /* Calculate the checksum for the pseudoheader */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 overlay = partial_checksum (pseudo_header, LEN_PSEUDO_HEADER_B);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 /* Calculate for the UDP header and the data */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 RESET_UDP_CHKSUM (ip_header, LEN_IP_HEADER_B);/*lint !e661 !e662 (Warning -- access/creation of out-of-bounds pointer) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 chksum = desc_checksum (desc_list, LEN_IP_HEADER_B, overlay);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 SET_UDP_CHKSUM (ip_header, LEN_IP_HEADER_B, chksum);/*lint !e661 !e662 (Warning -- access/creation of out-of-bounds pointer) */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 break;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 default:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 break;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 else /* Build the packets for lower layer */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 T_LOLA * p_dl = & udp_data->lola;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 T_desc_list2 * desc_list = & p_dl->dti_data_ind->desc_list2;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 T_desc2 * desc = (T_desc2 *) desc_list->first;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 if (desc == NULL)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 TRACE_ERROR ("Lola's desc == NULL in udp_build_packet().");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 if (desc->len < LEN_IP_HEADER_B)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 TRACE_ERROR (
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 "Lola's desc->len < LEN_IP_HEADER_B "
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 "in udp_build_packet()."
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 if (GET_IP_HEADER_LEN_B (desc->buffer + desc->offset) < LEN_IP_HEADER_B)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 TRACE_ERROR (
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 "Lola's GET_IP_HEADER_LEN_B() < LEN_IP_HEADER_B "
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 "in udp_build_packet()."
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 switch (to_do)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 case B_NORMAL_PACKET:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 /* Build a new desc for IP addresses and port numbers */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 T_desc2 * addr = M_ALLOC (
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 offsetof (T_desc2, buffer) + sizeof (T_SRC_DES)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 if (addr == NULL) {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 TRACE_ERROR ("Not enough memory in udp_build_packet().");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 addr->next = (ULONG) desc;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 addr->offset = 0;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 addr->len = sizeof (T_SRC_DES);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 addr->size = sizeof (T_SRC_DES);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 memcpy (((T_SRC_DES *) addr->buffer)->src_ip, & p_dl->src_addr, 4);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 memcpy (((T_SRC_DES *) addr->buffer)->des_ip, & p_dl->dst_addr, 4);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245 memcpy (((T_SRC_DES *) addr->buffer)->src_port, & p_dl->src_port, 2);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246 memcpy (((T_SRC_DES *) addr->buffer)->des_port, & p_dl->dst_port, 2);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 desc_list->first = (ULONG) addr;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249 desc_list->list_len = (USHORT) (addr->len + desc_list->list_len);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 /* Filter out the given IP and UDP header */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 register unsigned headroom =
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 GET_IP_HEADER_LEN_B (desc->buffer + desc->offset) + LEN_UDP_HEADER_B;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 if (desc->len < headroom)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 TRACE_ERROR ("Lola's IP packet is short in udp_build_packet().");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 return;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 memmove (
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 desc->buffer + desc->offset,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262 desc->buffer + desc->offset + headroom,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 desc->len - headroom
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264 );
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 desc->len = (USHORT) (desc->len - headroom);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266 desc_list->list_len = (USHORT) (desc_list->list_len - headroom);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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268 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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269 break;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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270
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
271 case B_NO_DEST_PORT:
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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272 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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273 /* We build the whole ICMP packet */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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274
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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275 PPASS (p_dl->dti_data_ind, data_req, DTI2_DATA_REQ);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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276
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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277 desc_list = & data_req->desc_list2;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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278 desc = (T_desc2 *) desc_list->first;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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279
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
280 build_icmp_with_payload (
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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281 data_req,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
282 IDENTITY_0,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
283 STANDARD_TTL,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
284 GET_IP_DEST_ADDR (desc->buffer + desc->offset),
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
285 ICMP_TYP_DEST_URECHBL,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
286 ICMP_CODE_NO_PORT
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
287 );
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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288
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
289 p_ker->dti_data_req_icmp = data_req;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
290 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
291 break;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
292
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
293 default:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
294 break;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
295 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
296 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
297 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
298
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
299 /*-------------------------------------------------------------------------*/
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
300