FreeCalypso > hg > fc-tourmaline
annotate src/g23m-fad/udp/udp_kerf.c @ 75:8697f358f505
backlight rework: Condat light driver accepts levels
The present change is another intermediate step on the path toward
new FreeCalypso backlight handling. At this intermediate step the
Condat light driver accepts 0-255 backlight levels driven by MFW,
and puts them out on PWL on Luna development boards. At the same
time on C139 it is now possible to turn on the display backlight
with or without the keypad bl - the lsb of the 0-255 backlight level
controls the keypad bl.
MFW presently drives only 0 and 255 backlight levels, thus there is
no visible behavioral change yet - but the plan for subsequent stages
of this backlight rework is to add a dimmed backlight state
(no keypad bl on C139) during active calls.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 24 Oct 2020 20:44:04 +0000 |
parents | fa8dc04885d8 |
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rev | line source |
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1
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1 /* |
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2 +---------------------------------------------------------------------------- |
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3 | Project : |
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4 | Modul : |
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5 +---------------------------------------------------------------------------- |
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6 | Copyright 2002 Texas Instruments Berlin, AG |
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7 | All rights reserved. |
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8 | |
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9 | This file is confidential and a trade secret of Texas |
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10 | Instruments Berlin, AG |
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11 | The receipt of or possession of this file does not convey |
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12 | any rights to reproduce or disclose its contents or to |
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13 | manufacture, use, or sell anything it may describe, in |
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14 | whole, or in part, without the specific written consent of |
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15 | Texas Instruments Berlin, AG. |
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16 +---------------------------------------------------------------------------- |
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17 | Purpose : This Modul 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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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
117 if (desc == NULL) |
fa8dc04885d8
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parents:
diff
changeset
|
118 { |
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parents:
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|
119 TRACE_ERROR ("Hila's desc == NULL in udp_build_packet()."); |
fa8dc04885d8
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parents:
diff
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|
120 return; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
121 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
122 else |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
123 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
124 /* Make a new desc for the IP and UDP packet header */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
125 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
126 USHORT headroom = LEN_IP_HEADER_B + LEN_UDP_HEADER_B; |
fa8dc04885d8
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parents:
diff
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|
127 UBYTE * ip_header; |
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parents:
diff
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|
128 T_desc2 * desc_new = M_ALLOC (offsetof (T_desc2, buffer) + headroom); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
129 |
fa8dc04885d8
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parents:
diff
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|
130 if (desc_new == NULL) |
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parents:
diff
changeset
|
131 { |
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parents:
diff
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|
132 TRACE_ERROR ("Not enough memory in udp_build_packet()."); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
133 return; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
134 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
135 desc_new->next = (ULONG) desc; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
136 desc_new->offset = 0; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
137 desc_new->len = headroom; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
138 desc_new->size = headroom; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
139 ip_header = desc_new->buffer; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
140 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
141 register unsigned i; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
142 for (i=0; i < headroom; i++) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
143 ip_header[i] = '\0';/*lint !e661 !e662 (Warning -- access/creation of out-of-bounds pointer) */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
144 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
145 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
146 /* Put the desc at the first place of the descs and |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
147 * build the UDP header */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
148 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
149 desc_list->first = (ULONG) desc_new; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
150 desc_list->list_len = (USHORT) (desc_new->len + desc_list->list_len); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
151 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
152 /* Fill in IP header information */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
153 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
154 SET_IP_VERSION (ip_header, IP_VERSION); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
155 SET_IP_HEADER_LEN (ip_header, MIN_HEADER_LEN); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
156 /*lint -e{661, 662} (Warning -- access/creation of out-of-bounds pointer) */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
157 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
158 SET_IP_TOTAL_LEN (ip_header, desc_list->list_len); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
159 SET_IP_PROT (ip_header, UDP_PROT); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
160 SET_IP_SOURCE_ADDR (ip_header, p_ker->src_addr); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
161 SET_IP_DEST_ADDR (ip_header, p_ker->dst_addr); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
162 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
163 SET_UDP_SRC_PORT (ip_header, p_ker->src_port); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
164 SET_UDP_DST_PORT (ip_header, p_ker->dst_port); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
165 SET_UDP_LEN (ip_header, udp_payload_len + LEN_UDP_HEADER_B); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
166 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
167 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
168 UBYTE pseudo_header [LEN_PSEUDO_HEADER_B]; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
169 ULONG overlay; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
170 USHORT chksum; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
171 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
172 /* Build the pseudoheader for to calculate the chksum */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
173 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
174 SET_UDP_PSEUDO_H_SRC_ADDR (pseudo_header, p_ker->src_addr); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
175 SET_UDP_PSEUDO_H_DEST_ADDR (pseudo_header, p_ker->dst_addr); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
176 SET_UDP_PSEUDO_H_ZERO (pseudo_header, 0); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
177 SET_UDP_PSEUDO_H_PROT (pseudo_header, UDP_PROT); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
178 SET_UDP_PSEUDO_H_LEN (pseudo_header, udp_payload_len + LEN_UDP_HEADER_B); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
179 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
180 /* Calculate the checksum for the pseudoheader */ |
fa8dc04885d8
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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
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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
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
185 chksum = desc_checksum (desc_list, LEN_IP_HEADER_B, overlay); |
fa8dc04885d8
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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
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
195 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
196 else /* Build the packets for lower layer */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
197 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
198 T_LOLA * p_dl = & udp_data->lola; |
fa8dc04885d8
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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
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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
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
209 TRACE_ERROR ( |
fa8dc04885d8
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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
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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
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233 if (addr == NULL) { |
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234 TRACE_ERROR ("Not enough memory in udp_build_packet()."); |
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235 return; |
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236 } |
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237 |
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238 addr->next = (ULONG) desc; |
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239 addr->offset = 0; |
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240 addr->len = sizeof (T_SRC_DES); |
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241 addr->size = sizeof (T_SRC_DES); |
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242 |
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243 memcpy (((T_SRC_DES *) addr->buffer)->src_ip, & p_dl->src_addr, 4); |
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244 memcpy (((T_SRC_DES *) addr->buffer)->des_ip, & p_dl->dst_addr, 4); |
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245 memcpy (((T_SRC_DES *) addr->buffer)->src_port, & p_dl->src_port, 2); |
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246 memcpy (((T_SRC_DES *) addr->buffer)->des_port, & p_dl->dst_port, 2); |
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247 |
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248 desc_list->first = (ULONG) addr; |
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249 desc_list->list_len = (USHORT) (addr->len + desc_list->list_len); |
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250 |
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251 /* Filter out the given IP and UDP header */ |
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252 { |
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253 register unsigned headroom = |
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254 GET_IP_HEADER_LEN_B (desc->buffer + desc->offset) + LEN_UDP_HEADER_B; |
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255 if (desc->len < headroom) |
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256 { |
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257 TRACE_ERROR ("Lola's IP packet is short in udp_build_packet()."); |
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258 return; |
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259 } |
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260 memmove ( |
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261 desc->buffer + desc->offset, |
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262 desc->buffer + desc->offset + headroom, |
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263 desc->len - headroom |
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264 ); |
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265 desc->len = (USHORT) (desc->len - headroom); |
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266 desc_list->list_len = (USHORT) (desc_list->list_len - headroom); |
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267 } |
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268 } |
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269 break; |
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270 |
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271 case B_NO_DEST_PORT: |
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272 { |
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273 /* We build the whole ICMP packet */ |
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274 |
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275 PPASS (p_dl->dti_data_ind, data_req, DTI2_DATA_REQ); |
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276 |
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277 desc_list = & data_req->desc_list2; |
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278 desc = (T_desc2 *) desc_list->first; |
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279 |
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280 build_icmp_with_payload ( |
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281 data_req, |
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282 IDENTITY_0, |
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283 STANDARD_TTL, |
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284 GET_IP_DEST_ADDR (desc->buffer + desc->offset), |
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285 ICMP_TYP_DEST_URECHBL, |
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286 ICMP_CODE_NO_PORT |
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287 ); |
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288 |
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289 p_ker->dti_data_req_icmp = data_req; |
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290 } |
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291 break; |
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292 |
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293 default: |
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294 break; |
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295 } |
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296 } |
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297 } |
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298 |
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299 /*-------------------------------------------------------------------------*/ |
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300 |