annotate src/g23m-gprs/sndcp/sndcp_ciap.c @ 66:3d8f62baeca1

src/cs/drivers/drv_app/r2d/r2d_config.h: include case fixes
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 20 Jul 2018 00:28:56 +0000
parents d393cd9bb723
children
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1
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : GPRS (8441)
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4 | Modul : sndcp_ciap.c
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5 +-----------------------------------------------------------------------------
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6 | Copyright 2002 Texas Instruments Berlin, AG
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7 | All rights reserved.
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8 |
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9 | This file is confidential and a trade secret of Texas
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10 | Instruments Berlin, AG
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11 | The receipt of or possession of this file does not convey
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12 | any rights to reproduce or disclose its contents or to
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13 | manufacture, use, or sell anything it may describe, in
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14 | whole, or in part, without the specific written consent of
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15 | Texas Instruments Berlin, AG.
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16 +-----------------------------------------------------------------------------
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17 | Purpose : This modul is part of the entity SNDCP and implements all
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18 | functions to handles the incoming primitives as described in
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19 | the SDL-documentation (CIA-statemachine)
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20 +-----------------------------------------------------------------------------
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21 */
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22
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23
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24 #define ENTITY_SNDCP
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25
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26 /*==== INCLUDES =============================================================*/
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27
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28 #include "typedefs.h" /* to get Condat data types */
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29 #include "vsi.h" /* to get a lot of macros */
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30 #include "macdef.h"
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31 #include "gsm.h" /* to get a lot of macros */
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32 #include "prim.h" /* to get the definitions of used SAP and directions */
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33
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34 #include "dti.h"
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35
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36 #include "sndcp.h" /* to get the global entity definitions */
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37 #include "sndcp_f.h" /* to get the functions to access the global arrays*/
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38
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39 #include <string.h> /* to get memcpy() */
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40 #include "sndcp_mgf.h" /* to get the local functions of service mg */
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41 #include "sndcp_sus.h" /* to get signals to service su */
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42 #include "sndcp_suas.h"/* to get signals to service sua */
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43 #include "sndcp_sds.h" /* to get signals to service sd */
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44 #include "sndcp_sdas.h"/* to get signals to service sda */
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45 #include "sndcp_ciap.h"
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46
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47
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48 /*==== CONST ================================================================*/
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49
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50
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51 /*==== LOCAL VARS ===========================================================*/
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52
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53 /*==== PRIVATE FUNCTIONS ====================================================*/
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54
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55 /*
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56 +------------------------------------------------------------------------------
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57 | Function : cia_vj_decomp
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58 +------------------------------------------------------------------------------
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59 | Description : decompresses the TCP/IP header of the given packet
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60 | (Van Jacobson algorithm). A part of this routine has been taken
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61 | from implementation of University of California, Berkeley.
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62 |
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63 | Parameters : com_buf - received packet, packet length, packet type
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64 |
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65 | Return : new packet length
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66 |
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67 +------------------------------------------------------------------------------
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68 */
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69 #ifndef CF_FAST_EXEC
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70
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71 LOCAL USHORT cia_vj_decomp(struct comp_buf *cbuf)
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72 {
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73 struct slcompress *comp = &sndcp_data->cia.comp;
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74 UBYTE *cp; /* pointer to the compressed TCP/IP packet */
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75 UBYTE hlen = 0;
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76 ULONG change_mask = 0;
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77 T_SNDCP_TCP_HEADER *th;
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78 struct cstate *cs;
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79 ULONG tmp;
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80 USHORT th_off;
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81
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82 TRACE_FUNCTION( "cia_vj_decomp" );
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83
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84 switch (cbuf->p_type) {
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85
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86 case TYPE_UNCOMPRESSED_TCP:
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87 {
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88 UBYTE *hdr_ptr = (UBYTE*)cbuf->c_hdr;
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89 UBYTE slot_nr = hdr_ptr[9];
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90 if (slot_nr >= sndcp_data->cia.comp.slots_to_use){
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91 TRACE_EVENT_P2("ERROR DECOMP: slot_nr(%d) > slots_to_use(%d)",
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92 slot_nr, sndcp_data->cia.comp.slots_to_use);
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93 comp->flags |= SLF_TOSS;
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94 return (0);
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95 }
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96 /* set last received state */
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97 comp->last_recv = slot_nr;
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98 /* get related compressed state */
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99 cs = &comp->rstate[comp->last_recv];
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100 /* clear toss flag */
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101 comp->flags &=~ SLF_TOSS;
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102 /* set protocol type to TCP/IP */
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103 hdr_ptr[9] = PROT_TCPIP;
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104 /* get IP header length */
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105 hlen = hdr_ptr[0] & HL_MASK;
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106 /* get TCP header */
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107 th_off = hdr_ptr[hlen*4 + 12];
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108 th_off = (th_off & 0xf0) >> 4;
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109 /* calculate IP+TCP header length */
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110 hlen += th_off;
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111 hlen <<= 2;
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112 /* copy TCP+IP header */
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113 memcpy(cs->cs_ip, hdr_ptr, hlen);
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114 cs->cs_ip->ip_sum = 0;
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115 cs->cs_hlen = hlen;
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116 return ((USHORT)cbuf->pack_len);
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117 }
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118
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119 case TYPE_COMPRESSED_TCP:
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120 break;
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121
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122 default:
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123 comp->flags |= SLF_TOSS;
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124 TRACE_EVENT_P1("ERROR DECOMP unknown packet type (%d)", cbuf->p_type);
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125 return (0);
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126 }
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127
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128 /* We've got a compressed packet. */
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129 cp = (UBYTE *)cbuf->c_hdr;
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130 change_mask = *cp++;
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diff changeset
131 if (change_mask & NEW_C) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 /* Make sure the state index is in range, then grab the state.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 * If we have a good state index, clear the 'discard' flag. */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 if (*cp >= sndcp_data->cia.comp.slots_to_use){
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 comp->flags |= SLF_TOSS;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 return (0);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 comp->flags &=~ SLF_TOSS;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 /* store connection number */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 comp->last_recv = *cp++;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 } else {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 /* this packet has an implicit state index. If we've
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 * had a line error since the last time we got an
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 * explicit state index, we have to toss the packet. */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 if (comp->flags & SLF_TOSS) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 return (0);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 /* get related connection state */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 cs = &comp->rstate[comp->last_recv];
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 /* get IP header length */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 hlen = (cs->cs_ip->ip_vhl & HL_MASK) << 2;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 /* get TCP header */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 th = (T_SNDCP_TCP_HEADER *)&((UBYTE *)cs->cs_ip)[hlen];
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 /* store new TCP check sum */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 th->th_sum = sndcp_swap2((USHORT)((*cp << 8) | cp[1]));
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 cp += 2;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 /* check if push bit is set */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 if (change_mask & TCP_PUSH_BIT)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 th->th_flags |= TH_PUSH;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 else
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 th->th_flags &=~ TH_PUSH;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 switch (change_mask & SPECIALS_MASK) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 case SPECIAL_I:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 ULONG deltaL = sndcp_swap2(cs->cs_ip->ip_len) - cs->cs_hlen;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 th->th_ack = sndcp_swap4(sndcp_swap4(th->th_ack) + deltaL);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 th->th_seq = sndcp_swap4(sndcp_swap4(th->th_seq) + deltaL);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 break;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 case SPECIAL_D:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 th->th_seq = sndcp_swap4(sndcp_swap4(th->th_seq)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 + sndcp_swap2(cs->cs_ip->ip_len)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 - cs->cs_hlen);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 break;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 /* no special case */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 default:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 /* urgend data field */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 if (change_mask & NEW_U) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 th->th_flags |= TH_URG;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 if (*cp == 0) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 th->th_urp = sndcp_swap2((USHORT)((cp[1] << 8) | cp[2]));
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 cp += 3;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 } else {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 th->th_urp = sndcp_swap2((USHORT)((ULONG)*cp++));
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 } else {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 th->th_flags &=~ TH_URG;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 * window size
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 if (change_mask & NEW_W){
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 if (*cp == 0) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 th->th_win = sndcp_swap2((USHORT)(sndcp_swap2(th->th_win)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 + ((cp[1] << 8) | cp[2])));
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 cp += 3;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 } else {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 th->th_win = sndcp_swap2((USHORT)(sndcp_swap2(th->th_win) + (ULONG)*cp++));
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 * acknowledgement number
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 if (change_mask & NEW_A){
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 if (*cp == 0) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 th->th_ack = sndcp_swap4(sndcp_swap4(th->th_ack) + ((cp[1] << 8) | cp[2]));
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 cp += 3;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 } else {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 th->th_ack = sndcp_swap4(sndcp_swap4(th->th_ack) + (ULONG)*cp++);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 * sequence number
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 if (change_mask & NEW_S){
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 if (*cp == 0) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 (th->th_seq) = sndcp_swap4(sndcp_swap4(th->th_seq) + ((cp[1] << 8) | cp[2]));
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 cp += 3;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 } else {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 (th->th_seq) = sndcp_swap4(sndcp_swap4(th->th_seq) + (ULONG)*cp++);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 break;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 * packet ID
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 if (change_mask & NEW_I) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 if (*cp == 0) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236 cs->cs_ip->ip_id = sndcp_swap2((USHORT)(sndcp_swap2(cs->cs_ip->ip_id)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 + ((cp[1] << 8) | cp[2])));
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 cp += 3;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 } else {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 cs->cs_ip->ip_id = sndcp_swap2((USHORT)(sndcp_swap2(cs->cs_ip->ip_id)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 + (ULONG)*cp++));
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 } else
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 cs->cs_ip->ip_id = sndcp_swap2((USHORT)(sndcp_swap2(cs->cs_ip->ip_id) + 1));
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 * At this point, cp points to the first byte of data in the
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 * packet. If we're not aligned on a 4-byte boundary, copy the
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249 * data down so the ip & tcp headers will be aligned. Then back up
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 * cp by the tcp/ip header length to make room for the reconstructed
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 * header (we assume the packet we were handed has enough space to
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 * prepend 120 bytes of header). Adjust the length to account for
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 * the new header & fill in the IP total length.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 tmp = cp - (UBYTE*)cbuf->c_hdr;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 cbuf->pack_len -= cp - (UBYTE*)cbuf->c_hdr;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 if ((UBYTE*)cbuf->c_hdr > cp){
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 /* we must have dropped some characters (crc should detect
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 * this but the old slip framing won't) */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 comp->flags |= SLF_TOSS;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 return (0);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264 cbuf->c_hdr += tmp;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 cbuf->hdr_len -= (USHORT)tmp;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266 tmp = (ULONG)cp & 3;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 if (tmp) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
268 if (cbuf->pack_len > 0)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
269 memcpy(cp - tmp, cp, cbuf->hdr_len);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
270 cbuf->c_hdr -= tmp;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
271 cp -= tmp;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
272 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
273 cbuf->c_hdr -= cs->cs_hlen;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
274 cp -= cs->cs_hlen;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
275 cbuf->hdr_len += cs->cs_hlen;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
276 cbuf->pack_len += cs->cs_hlen;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
277 cs->cs_ip->ip_len = sndcp_swap2(cbuf->pack_len);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
278 memcpy(cp, cs->cs_ip, cs->cs_hlen);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
279
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
280 /* recompute the ip header checksum */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
281 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
282 USHORT *bp = (USHORT *)cp;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
283
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
284 for (change_mask = 0; hlen > 0; hlen -= 2)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
285 change_mask += *bp++;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
286 change_mask = (change_mask & 0xffff) + (change_mask >> 16);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
287 change_mask = (change_mask & 0xffff) + (change_mask >> 16);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
288 ((T_SNDCP_IP_HEADER *)cp)->ip_sum = ~ (USHORT)change_mask;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
289 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
290 return (cbuf->pack_len);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
291 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
292
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
293 #endif /* CF_FAST_EXEC */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
294
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
295
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
296 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
297 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
298 | Function : cia_header_decomp
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
299 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
300 | Description : de-compresses the TCP/IP header of the given packet
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
301 | (Van Jacobson algorithm)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
302 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
303 | Parameters : packet as desc_list, packet_type
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
304 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
305 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
306 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
307 #ifndef CF_FAST_EXEC
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
308
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
309 #ifdef _SNDCP_DTI_2_
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
310 GLOBAL void cia_header_decomp(T_desc_list2* desc_list, UBYTE* packet_type)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
311 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
312 #else /*_SNDCP_DTI_2_*/
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
313 GLOBAL void cia_header_decomp(T_desc_list* desc_list, UBYTE* packet_type)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
314 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
315 #endif /*_SNDCP_DTI_2_*/
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
316
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
317 struct comp_buf cbuf;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
318 /* the length of decompressed header + payload */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
319 USHORT decomp_len;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
320
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
321 #ifdef _SNDCP_DTI_2_
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
322 T_desc2* desc = (T_desc2*) desc_list->first;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
323 T_desc2* decomp_desc;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
324 U8 *desc_buff = &desc->buffer[desc->offset];
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
325 #else
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
326 T_desc* desc = (T_desc*) desc_list->first;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
327 T_desc* decomp_desc;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
328 U8 *desc_buff = &desc->buffer[0];
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
329 #endif
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
330
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
331 TRACE_FUNCTION( "cia_header_decomp" );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
332
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
333 #ifdef SNDCP_TRACE_BUFFER
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
334 TRACE_EVENT("INFO DECOMP: Input Packet");
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
335 sndcp_trace_desc_list(desc_list);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
336 #endif /* SNDCP_TRACE_BUFFER */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
337
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
338 switch(*packet_type)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
339 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
340 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
341 * packet type IP: do nothing
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
342 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
343 case TYPE_IP:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
344 TRACE_EVENT("INFO DECOMP: TYPE_IP");
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
345 *packet_type = TYPE_IP;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
346 break;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
347
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
348 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
349 * packet type uncompressed TCP
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
350 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
351 case TYPE_UNCOMPRESSED_TCP:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
352 TRACE_EVENT("INFO DECOMP: TYPE_UNCOMPRESSED_TCP");
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
353 cbuf.c_hdr = (ULONG)&desc_buff[0];
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
354 cbuf.hdr_len = desc->len;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
355 cbuf.pack_len = desc_list->list_len;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
356 cbuf.p_type = *packet_type;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
357 decomp_len = cia_vj_decomp(&cbuf);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
358 if(decomp_len == 0)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
359 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
360 TRACE_EVENT("ERROR DECOMP: decomp_len = 0, TYPE_ERROR");
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
361 *packet_type = TYPE_ERROR;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
362 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
363 else
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
364 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
365 *packet_type = TYPE_IP;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
366 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
367 break;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
368
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
369 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
370 * packet type compressed TCP
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
371 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
372 case TYPE_COMPRESSED_TCP:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
373 TRACE_EVENT("INFO DECOMP: TYPE_COMPRESSED_TCP");
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
374 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
375 * Because we don't know the length of compressed TCP/IP header,
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
376 * we have to copy max. 40 bytes, wich sure contain compressed
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
377 * header + maybe some payload bytes.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
378 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
379 cbuf.hdr_len = (desc->len < 40) ? desc->len : 40;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
380 cbuf.c_hdr = (ULONG)&sndcp_data->cia.comp.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
381 tcpip_hdr[TMP_HDR_LEN-1-cbuf.hdr_len];
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
382 cbuf.pack_len = desc_list->list_len;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
383 cbuf.p_type = *packet_type;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
384 memcpy((UBYTE*)cbuf.c_hdr, &desc_buff[0], cbuf.hdr_len);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
385 decomp_len = cia_vj_decomp(&cbuf);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
386 if(decomp_len != 0)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
387 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
388 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
389 * Build destination descriptor list
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
390 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
391 USHORT offset = cbuf.pack_len - desc_list->list_len;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
392 #ifdef _SNDCP_DTI_2_
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
393 MALLOC(decomp_desc, (USHORT)(sizeof(T_desc2) - 1 + desc->len + offset));
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
394 #else
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
395 MALLOC(decomp_desc, (USHORT)(sizeof(T_desc) - 1 + desc->len + offset));
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
396 #endif
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
397 /* copy compressed header + piece of data */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
398 memcpy(&decomp_desc->buffer[0], (UBYTE*)cbuf.c_hdr, cbuf.hdr_len);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
399 /* copy the rest of data */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
400 memcpy(&decomp_desc->buffer[cbuf.hdr_len],
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
401 &desc->buffer[cbuf.hdr_len-offset],
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
402 desc->len-cbuf.hdr_len+offset);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
403 decomp_desc->next = desc->next;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
404 decomp_desc->len = desc->len + offset;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
405 #ifdef _SNDCP_DTI_2_
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
406 decomp_desc->size = desc->size + offset;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
407 decomp_desc->offset = desc->offset;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
408 #endif
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
409 desc_list->first = (ULONG)decomp_desc;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
410 desc_list->list_len = desc_list->list_len - desc->len + decomp_desc->len;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
411 MFREE(desc);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
412 *packet_type = TYPE_IP;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
413 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
414 else
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
415 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
416 TRACE_EVENT("ERROR DECOMP: decomp_len = 0, TYPE_ERROR");
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
417 *packet_type = TYPE_ERROR;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
418 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
419 break;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
420
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
421 default:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
422 TRACE_EVENT_P1("ERROR DECOMP: unexpected packet type: %d", packet_type);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
423 *packet_type = TYPE_ERROR;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
424 break;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
425
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
426 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
427
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
428 } /* cia_header_decomp() */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
429
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
430 #endif /* CF_FAST_EXEC */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
431
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
432
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
433 /*==== PUBLIC FUNCTIONS =====================================================*/
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
434
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
435 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
436 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
437 | Function : cia_cia_decomp_ind
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
438 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
439 | Description : Handles the primitive CIA_DECOMP_IND
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
440 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
441 | Parameters : *cia_decomp_ind - Ptr to primitive payload
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
442 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
443 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
444 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
445 #ifndef CF_FAST_EXEC
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
446
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
447 GLOBAL void cia_cia_decomp_ind ( T_CIA_DECOMP_IND *cia_decomp_ind )
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
448 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
449 UBYTE nsapi = cia_decomp_ind->pdu_ref.ref_nsapi;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
450 BOOL ack = FALSE;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
451 BOOL compressed = FALSE;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
452 UBYTE pcomp = cia_decomp_ind->pcomp;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
453 UBYTE pntt = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
454 UBYTE sapi = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
455 BOOL pcomp_ok = FALSE;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
456
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
457 #ifndef _SNDCP_DTI_2_
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
458 T_desc_list temp_desc_list;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
459 #endif /*_SNDCP_DTI_2_*/
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
460
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
461 UBYTE p_id = DTI_PID_IP;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
462
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
463 TRACE_FUNCTION( "cia_cia_decomp_ind" );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
464
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
465 #ifdef SNDCP_TRACE_ALL
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
466 TRACE_EVENT_P1("cia_decomp_ind->pcomp: %02x", cia_decomp_ind->pcomp);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
467 #endif /* SNDCP_TRACE_ALL */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
468
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
469 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
470 * Is nsapi in ack mode?
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
471 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
472 sndcp_get_nsapi_ack(nsapi, &ack);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
473
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
474 switch( GET_STATE(CIA) )
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 case CIA_DEFAULT:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
477 sndcp_is_nsapi_header_compressed(nsapi, &compressed);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
478 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
479 * Only compress if pcomp in sn pdu is assigned to context.
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 sndcp_get_nsapi_sapi(nsapi, &sapi);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
482 mg_get_sapi_pcomp_pntt(sapi,
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
483 pcomp,
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
484 &pntt);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
485
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
486 mg_get_sapi_pntt_nsapi(sapi, pntt, nsapi, &pcomp_ok);
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 if (compressed && pcomp_ok && pcomp != 0) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
489 UBYTE packet_type = TYPE_COMPRESSED_TCP;
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 if (pcomp == sndcp_data->cia.cur_xid_block.vj.pcomp1) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
492 packet_type = TYPE_UNCOMPRESSED_TCP;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
493 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
494 #ifndef _SNDCP_DTI_2_
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
495 temp_desc_list.list_len = cia_decomp_ind->desc_list2.list_len;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
496 temp_desc_list.first = cia_decomp_ind->desc_list2.first;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
497 cia_header_decomp(&temp_desc_list1, &packet_type);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
498 cia_decomp_ind->desc_list2.list_len = temp_desc_list.list_len;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
499 cia_decomp_ind->desc_list2.first = temp_desc_list.first;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
500 #else /*_SNDCP_DTI_2_*/
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
501 cia_header_decomp(&cia_decomp_ind->desc_list2, &packet_type);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
502 #endif /*_SNDCP_DTI_2_*/
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
503 if (packet_type != TYPE_IP) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
504 #ifdef SNDCP_TRACE_ALL
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
505 sndcp_data->cia.cia_decomp_ind_number[nsapi] --;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
506 TRACE_EVENT_P1("number of cia_decomp_ind: % d",
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
507 sndcp_data->cia.cia_decomp_ind_number[nsapi]);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
508 #endif /* SNDCP_TRACE_ALL */
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 MFREE_PRIM(cia_decomp_ind);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
511 cia_decomp_ind = NULL;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
512 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
513 * Corupted segment, request next one.
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 TRACE_EVENT("WARNING DECOMP: Corupted segment, request next one!");
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
516 if (ack) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
517 sig_cia_sda_getdata(sapi, nsapi);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
518 } else {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
519 sig_cia_sd_getunitdata(sapi, nsapi);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
520 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
521 return;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
522 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
523 }
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 * Is the cnf for sd or sda?
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 if (ack) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
528 sig_cia_sda_cia_decomp_ind(cia_decomp_ind, p_id);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
529 } else {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
530 sig_cia_sd_cia_decomp_ind(cia_decomp_ind, p_id);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
531 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
532 break;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
533 default:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
534 TRACE_ERROR( "CIA_DECOMP_IND unexpected" );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
535 MFREE_PRIM(cia_decomp_ind);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
536 break;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
537 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
538 } /* cia_cia_decomp_ind() */
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 #endif /* CF_FAST_EXEC */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
541
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
542 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
543 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
544 | Function : cia_cia_comp_ind
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
545 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
546 | Description : Handles the primitive CIA_COMP_IND
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
547 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
548 | Parameters : *cia_comp_ind - Ptr to primitive payload
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 +------------------------------------------------------------------------------
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 #ifndef CF_FAST_EXEC
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
553
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
554 GLOBAL void cia_cia_comp_ind ( T_CIA_COMP_IND *cia_comp_ind )
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
555 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
556 UBYTE nsapi = cia_comp_ind->pdu_ref.ref_nsapi;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
557 BOOL ack = FALSE;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
558
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
559 TRACE_FUNCTION( "cia_cia_comp_ind" );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
560
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
561
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
562 #ifdef SNDCP_TRACE_ALL
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
563 switch (cia_comp_ind->packet_type) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
564 case TYPE_IP:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
565 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)",
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
566 cia_comp_ind->packet_type,
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
567 "TYPE_IP");
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
568 break;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
569 case TYPE_UNCOMPRESSED_TCP:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
570 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)",
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
571 cia_comp_ind->packet_type,
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
572 "TYPE_UNCOMPRESSED_TCP");
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
573 break;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
574 case TYPE_COMPRESSED_TCP:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
575 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)",
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
576 cia_comp_ind->packet_type,
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
577 "TYPE_COMPRESSED_TCP");
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
578 break;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
579 case TYPE_ERROR:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
580 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)",
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
581 cia_comp_ind->packet_type,
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
582 "TYPE_ERROR");
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
583 break;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
584 default:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
585 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)",
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
586 cia_comp_ind->packet_type,
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
587 "unknown");
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
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
590 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
591 #endif /* SNDCP_TRACE_ALL */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
592
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
593 switch( GET_STATE(CIA) )
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
594 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
595 case CIA_DEFAULT:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
596 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
597 * Is the cnf for su or sua?
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
598 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
599 sndcp_get_nsapi_ack(nsapi, &ack);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
600 if (ack) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
601 sig_cia_sua_cia_comp_ind(cia_comp_ind);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
602 } else {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
603 sig_cia_su_cia_comp_ind(cia_comp_ind);
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 break;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
606 default:
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
607 TRACE_ERROR( "CIA_CIA_COMP_IND unexpected" );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
608 sndcp_cl_desc3_free((T_desc3*)cia_comp_ind->desc_list3.first);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
609 MFREE(cia_comp_ind);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
610 break;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
611 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
612 } /* cia_cia_comp_ind() */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
613
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
614 #endif /* CF_FAST_EXEC */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
615
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
616
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