FreeCalypso > hg > fc-tourmaline
annotate src/g23m-gprs/sndcp/sndcp_ciap.c @ 228:93af50ca61f9
rvm_priorities.h, rvm_ext_priorities.h: readability fixes
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 30 Apr 2021 22:31:31 +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 : 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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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
118 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
119 case TYPE_COMPRESSED_TCP: |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
120 break; |
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 default: |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
123 comp->flags |= SLF_TOSS; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
124 TRACE_EVENT_P1("ERROR DECOMP unknown packet type (%d)", cbuf->p_type); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
125 return (0); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
126 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
127 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
128 /* We've got a compressed packet. */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
129 cp = (UBYTE *)cbuf->c_hdr; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
130 change_mask = *cp++; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
131 if (change_mask & NEW_C) { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
132 /* Make sure the state index is in range, then grab the state. |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
133 * If we have a good state index, clear the 'discard' flag. */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
134 if (*cp >= sndcp_data->cia.comp.slots_to_use){ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
135 comp->flags |= SLF_TOSS; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
136 return (0); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
137 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
138 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
139 comp->flags &=~ SLF_TOSS; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
140 /* store connection number */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
141 comp->last_recv = *cp++; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
142 } else { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
143 /* this packet has an implicit state index. If we've |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
144 * had a line error since the last time we got an |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
145 * explicit state index, we have to toss the packet. */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
146 if (comp->flags & SLF_TOSS) { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
147 return (0); |
fa8dc04885d8
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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 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
150 /* get related connection state */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
151 cs = &comp->rstate[comp->last_recv]; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
152 /* get IP header length */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
153 hlen = (cs->cs_ip->ip_vhl & HL_MASK) << 2; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
154 /* get TCP header */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
155 th = (T_SNDCP_TCP_HEADER *)&((UBYTE *)cs->cs_ip)[hlen]; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
156 /* store new TCP check sum */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
157 th->th_sum = sndcp_swap2((USHORT)((*cp << 8) | cp[1])); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
158 cp += 2; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
159 /* check if push bit is set */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
160 if (change_mask & TCP_PUSH_BIT) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
161 th->th_flags |= TH_PUSH; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
162 else |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
163 th->th_flags &=~ TH_PUSH; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
164 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
165 switch (change_mask & SPECIALS_MASK) { |
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 case SPECIAL_I: |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
168 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
169 ULONG deltaL = sndcp_swap2(cs->cs_ip->ip_len) - cs->cs_hlen; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
170 th->th_ack = sndcp_swap4(sndcp_swap4(th->th_ack) + deltaL); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
171 th->th_seq = sndcp_swap4(sndcp_swap4(th->th_seq) + deltaL); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
172 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
173 break; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
174 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
175 case SPECIAL_D: |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
176 th->th_seq = sndcp_swap4(sndcp_swap4(th->th_seq) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
177 + sndcp_swap2(cs->cs_ip->ip_len) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
178 - cs->cs_hlen); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
179 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
180 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
181 /* no special case */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
182 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
183 /* urgend data field */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
184 if (change_mask & NEW_U) { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
185 th->th_flags |= TH_URG; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
186 if (*cp == 0) { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
187 th->th_urp = sndcp_swap2((USHORT)((cp[1] << 8) | cp[2])); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
188 cp += 3; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
189 } else { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
190 th->th_urp = sndcp_swap2((USHORT)((ULONG)*cp++)); |
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 } else { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
193 th->th_flags &=~ TH_URG; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
194 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
195 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
196 * window size |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
197 */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
198 if (change_mask & NEW_W){ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
199 if (*cp == 0) { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
200 th->th_win = sndcp_swap2((USHORT)(sndcp_swap2(th->th_win) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
201 + ((cp[1] << 8) | cp[2]))); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
202 cp += 3; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
203 } else { |
fa8dc04885d8
src/g23m-*: 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++)); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
205 } |
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 /* |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
208 * acknowledgement number |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
209 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
210 if (change_mask & NEW_A){ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
211 if (*cp == 0) { |
fa8dc04885d8
src/g23m-*: 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])); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
213 cp += 3; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
214 } else { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
215 th->th_ack = sndcp_swap4(sndcp_swap4(th->th_ack) + (ULONG)*cp++); |
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 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
218 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
219 * sequence number |
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 if (change_mask & NEW_S){ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
222 if (*cp == 0) { |
fa8dc04885d8
src/g23m-*: 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])); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
224 cp += 3; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
225 } else { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
226 (th->th_seq) = sndcp_swap4(sndcp_swap4(th->th_seq) + (ULONG)*cp++); |
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 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
229 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
230 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
231 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
232 * packet ID |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
233 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
234 if (change_mask & NEW_I) { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
235 if (*cp == 0) { |
fa8dc04885d8
src/g23m-*: 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) |
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237 + ((cp[1] << 8) | cp[2]))); |
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238 cp += 3; |
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239 } else { |
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240 cs->cs_ip->ip_id = sndcp_swap2((USHORT)(sndcp_swap2(cs->cs_ip->ip_id) |
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241 + (ULONG)*cp++)); |
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242 } |
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243 } else |
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244 cs->cs_ip->ip_id = sndcp_swap2((USHORT)(sndcp_swap2(cs->cs_ip->ip_id) + 1)); |
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245 |
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246 /* |
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247 * At this point, cp points to the first byte of data in the |
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248 * packet. If we're not aligned on a 4-byte boundary, copy the |
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249 * data down so the ip & tcp headers will be aligned. Then back up |
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250 * cp by the tcp/ip header length to make room for the reconstructed |
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251 * header (we assume the packet we were handed has enough space to |
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252 * prepend 120 bytes of header). Adjust the length to account for |
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253 * the new header & fill in the IP total length. |
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254 */ |
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255 tmp = cp - (UBYTE*)cbuf->c_hdr; |
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256 cbuf->pack_len -= cp - (UBYTE*)cbuf->c_hdr; |
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257 if ((UBYTE*)cbuf->c_hdr > cp){ |
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258 /* we must have dropped some characters (crc should detect |
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259 * this but the old slip framing won't) */ |
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260 comp->flags |= SLF_TOSS; |
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261 return (0); |
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262 } |
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263 |
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264 cbuf->c_hdr += tmp; |
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265 cbuf->hdr_len -= (USHORT)tmp; |
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266 tmp = (ULONG)cp & 3; |
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267 if (tmp) { |
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268 if (cbuf->pack_len > 0) |
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269 memcpy(cp - tmp, cp, cbuf->hdr_len); |
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270 cbuf->c_hdr -= tmp; |
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271 cp -= tmp; |
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272 } |
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273 cbuf->c_hdr -= cs->cs_hlen; |
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274 cp -= cs->cs_hlen; |
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275 cbuf->hdr_len += cs->cs_hlen; |
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276 cbuf->pack_len += cs->cs_hlen; |
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277 cs->cs_ip->ip_len = sndcp_swap2(cbuf->pack_len); |
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278 memcpy(cp, cs->cs_ip, cs->cs_hlen); |
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279 |
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280 /* recompute the ip header checksum */ |
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281 { |
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282 USHORT *bp = (USHORT *)cp; |
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283 |
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284 for (change_mask = 0; hlen > 0; hlen -= 2) |
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285 change_mask += *bp++; |
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286 change_mask = (change_mask & 0xffff) + (change_mask >> 16); |
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287 change_mask = (change_mask & 0xffff) + (change_mask >> 16); |
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288 ((T_SNDCP_IP_HEADER *)cp)->ip_sum = ~ (USHORT)change_mask; |
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289 } |
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290 return (cbuf->pack_len); |
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291 } |
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292 |
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293 #endif /* CF_FAST_EXEC */ |
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294 |
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295 |
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296 /* |
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297 +------------------------------------------------------------------------------ |
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298 | Function : cia_header_decomp |
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299 +------------------------------------------------------------------------------ |
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300 | Description : de-compresses the TCP/IP header of the given packet |
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301 | (Van Jacobson algorithm) |
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302 | |
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303 | Parameters : packet as desc_list, packet_type |
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304 | |
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|
305 +------------------------------------------------------------------------------ |
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306 */ |
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|
307 #ifndef CF_FAST_EXEC |
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308 |
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309 #ifdef _SNDCP_DTI_2_ |
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310 GLOBAL void cia_header_decomp(T_desc_list2* desc_list, UBYTE* packet_type) |
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311 { |
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|
312 #else /*_SNDCP_DTI_2_*/ |
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313 GLOBAL void cia_header_decomp(T_desc_list* desc_list, UBYTE* packet_type) |
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314 { |
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|
315 #endif /*_SNDCP_DTI_2_*/ |
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|
316 |
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|
317 struct comp_buf cbuf; |
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318 /* the length of decompressed header + payload */ |
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319 USHORT decomp_len; |
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|
320 |
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|
321 #ifdef _SNDCP_DTI_2_ |
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322 T_desc2* desc = (T_desc2*) desc_list->first; |
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|
323 T_desc2* decomp_desc; |
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|
324 U8 *desc_buff = &desc->buffer[desc->offset]; |
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|
325 #else |
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|
326 T_desc* desc = (T_desc*) desc_list->first; |
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327 T_desc* decomp_desc; |
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328 U8 *desc_buff = &desc->buffer[0]; |
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|
329 #endif |
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|
330 |
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|
331 TRACE_FUNCTION( "cia_header_decomp" ); |
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|
332 |
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|
333 #ifdef SNDCP_TRACE_BUFFER |
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334 TRACE_EVENT("INFO DECOMP: Input Packet"); |
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|
335 sndcp_trace_desc_list(desc_list); |
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336 #endif /* SNDCP_TRACE_BUFFER */ |
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|
337 |
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|
338 switch(*packet_type) |
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339 { |
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|
340 /* |
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|
341 * packet type IP: do nothing |
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342 */ |
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|
343 case TYPE_IP: |
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|
344 TRACE_EVENT("INFO DECOMP: TYPE_IP"); |
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345 *packet_type = TYPE_IP; |
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|
346 break; |
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|
347 |
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|
348 /* |
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|
349 * packet type uncompressed TCP |
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350 */ |
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|
351 case TYPE_UNCOMPRESSED_TCP: |
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|
352 TRACE_EVENT("INFO DECOMP: TYPE_UNCOMPRESSED_TCP"); |
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|
353 cbuf.c_hdr = (ULONG)&desc_buff[0]; |
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|
354 cbuf.hdr_len = desc->len; |
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parents:
diff
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|
355 cbuf.pack_len = desc_list->list_len; |
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parents:
diff
changeset
|
356 cbuf.p_type = *packet_type; |
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parents:
diff
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|
357 decomp_len = cia_vj_decomp(&cbuf); |
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diff
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|
358 if(decomp_len == 0) |
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parents:
diff
changeset
|
359 { |
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parents:
diff
changeset
|
360 TRACE_EVENT("ERROR DECOMP: decomp_len = 0, TYPE_ERROR"); |
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parents:
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|
361 *packet_type = TYPE_ERROR; |
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parents:
diff
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|
362 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
363 else |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
364 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
365 *packet_type = TYPE_IP; |
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parents:
diff
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|
366 } |
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parents:
diff
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|
367 break; |
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parents:
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|
368 |
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|
369 /* |
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|
370 * packet type compressed TCP |
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parents:
diff
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|
371 */ |
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parents:
diff
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|
372 case TYPE_COMPRESSED_TCP: |
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parents:
diff
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|
373 TRACE_EVENT("INFO DECOMP: TYPE_COMPRESSED_TCP"); |
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diff
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|
374 /* |
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|
375 * Because we don't know the length of compressed TCP/IP header, |
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diff
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|
376 * we have to copy max. 40 bytes, wich sure contain compressed |
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|
377 * header + maybe some payload bytes. |
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parents:
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|
378 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
|
379 cbuf.hdr_len = (desc->len < 40) ? desc->len : 40; |
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parents:
diff
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|
380 cbuf.c_hdr = (ULONG)&sndcp_data->cia.comp. |
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parents:
diff
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|
381 tcpip_hdr[TMP_HDR_LEN-1-cbuf.hdr_len]; |
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parents:
diff
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|
382 cbuf.pack_len = desc_list->list_len; |
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parents:
diff
changeset
|
383 cbuf.p_type = *packet_type; |
fa8dc04885d8
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parents:
diff
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|
384 memcpy((UBYTE*)cbuf.c_hdr, &desc_buff[0], cbuf.hdr_len); |
fa8dc04885d8
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parents:
diff
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|
385 decomp_len = cia_vj_decomp(&cbuf); |
fa8dc04885d8
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parents:
diff
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|
386 if(decomp_len != 0) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
387 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
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diff
changeset
|
388 /* |
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Mychaela Falconia <falcon@freecalypso.org>
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|
389 * Build destination descriptor list |
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parents:
diff
changeset
|
390 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
|
391 USHORT offset = cbuf.pack_len - desc_list->list_len; |
fa8dc04885d8
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parents:
diff
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|
392 #ifdef _SNDCP_DTI_2_ |
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
393 MALLOC(decomp_desc, (USHORT)(sizeof(T_desc2) - 1 + desc->len + offset)); |
fa8dc04885d8
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parents:
diff
changeset
|
394 #else |
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parents:
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|
395 MALLOC(decomp_desc, (USHORT)(sizeof(T_desc) - 1 + desc->len + offset)); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
396 #endif |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
397 /* copy compressed header + piece of data */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
398 memcpy(&decomp_desc->buffer[0], (UBYTE*)cbuf.c_hdr, cbuf.hdr_len); |
fa8dc04885d8
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parents:
diff
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|
399 /* copy the rest of data */ |
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parents:
diff
changeset
|
400 memcpy(&decomp_desc->buffer[cbuf.hdr_len], |
fa8dc04885d8
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parents:
diff
changeset
|
401 &desc->buffer[cbuf.hdr_len-offset], |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
402 desc->len-cbuf.hdr_len+offset); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
403 decomp_desc->next = desc->next; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
404 decomp_desc->len = desc->len + offset; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
405 #ifdef _SNDCP_DTI_2_ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
406 decomp_desc->size = desc->size + offset; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
407 decomp_desc->offset = desc->offset; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
408 #endif |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
409 desc_list->first = (ULONG)decomp_desc; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
410 desc_list->list_len = desc_list->list_len - desc->len + decomp_desc->len; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
411 MFREE(desc); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
412 *packet_type = TYPE_IP; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
413 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
414 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
415 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
416 TRACE_EVENT("ERROR DECOMP: decomp_len = 0, TYPE_ERROR"); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
417 *packet_type = TYPE_ERROR; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
418 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
419 break; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
420 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
421 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
422 TRACE_EVENT_P1("ERROR DECOMP: unexpected packet type: %d", packet_type); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
423 *packet_type = TYPE_ERROR; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
424 break; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
425 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
426 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
427 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
428 } /* cia_header_decomp() */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
429 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
430 #endif /* CF_FAST_EXEC */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
431 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
432 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
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diff
changeset
|
433 /*==== PUBLIC FUNCTIONS =====================================================*/ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
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diff
changeset
|
434 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
435 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
436 +------------------------------------------------------------------------------ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
437 | Function : cia_cia_decomp_ind |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
438 +------------------------------------------------------------------------------ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
439 | Description : Handles the primitive CIA_DECOMP_IND |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
440 | |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
441 | Parameters : *cia_decomp_ind - Ptr to primitive payload |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
442 | |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
443 +------------------------------------------------------------------------------ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
444 */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
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diff
changeset
|
445 #ifndef CF_FAST_EXEC |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
446 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
447 GLOBAL void cia_cia_decomp_ind ( T_CIA_DECOMP_IND *cia_decomp_ind ) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
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diff
changeset
|
448 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
449 UBYTE nsapi = cia_decomp_ind->pdu_ref.ref_nsapi; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
450 BOOL ack = FALSE; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
451 BOOL compressed = FALSE; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
452 UBYTE pcomp = cia_decomp_ind->pcomp; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
453 UBYTE pntt = 0; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
454 UBYTE sapi = 0; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
455 BOOL pcomp_ok = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
456 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
457 #ifndef _SNDCP_DTI_2_ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
458 T_desc_list temp_desc_list; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
459 #endif /*_SNDCP_DTI_2_*/ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
460 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
461 UBYTE p_id = DTI_PID_IP; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
462 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
463 TRACE_FUNCTION( "cia_cia_decomp_ind" ); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
464 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
465 #ifdef SNDCP_TRACE_ALL |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
466 TRACE_EVENT_P1("cia_decomp_ind->pcomp: %02x", cia_decomp_ind->pcomp); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
467 #endif /* SNDCP_TRACE_ALL */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
468 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
469 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
470 * Is nsapi in ack mode? |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
471 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
472 sndcp_get_nsapi_ack(nsapi, &ack); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
473 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
474 switch( GET_STATE(CIA) ) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
475 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
476 case CIA_DEFAULT: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
477 sndcp_is_nsapi_header_compressed(nsapi, &compressed); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
478 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
479 * Only compress if pcomp in sn pdu is assigned to context. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
480 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
481 sndcp_get_nsapi_sapi(nsapi, &sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
482 mg_get_sapi_pcomp_pntt(sapi, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
483 pcomp, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
484 &pntt); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
485 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
486 mg_get_sapi_pntt_nsapi(sapi, pntt, nsapi, &pcomp_ok); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
487 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
488 if (compressed && pcomp_ok && pcomp != 0) { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
489 UBYTE packet_type = TYPE_COMPRESSED_TCP; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
490 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
491 if (pcomp == sndcp_data->cia.cur_xid_block.vj.pcomp1) { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
492 packet_type = TYPE_UNCOMPRESSED_TCP; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
493 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
494 #ifndef _SNDCP_DTI_2_ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
495 temp_desc_list.list_len = cia_decomp_ind->desc_list2.list_len; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
496 temp_desc_list.first = cia_decomp_ind->desc_list2.first; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
497 cia_header_decomp(&temp_desc_list1, &packet_type); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
498 cia_decomp_ind->desc_list2.list_len = temp_desc_list.list_len; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
499 cia_decomp_ind->desc_list2.first = temp_desc_list.first; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
500 #else /*_SNDCP_DTI_2_*/ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
501 cia_header_decomp(&cia_decomp_ind->desc_list2, &packet_type); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
502 #endif /*_SNDCP_DTI_2_*/ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
503 if (packet_type != TYPE_IP) { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
504 #ifdef SNDCP_TRACE_ALL |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
505 sndcp_data->cia.cia_decomp_ind_number[nsapi] --; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
506 TRACE_EVENT_P1("number of cia_decomp_ind: % d", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
507 sndcp_data->cia.cia_decomp_ind_number[nsapi]); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
508 #endif /* SNDCP_TRACE_ALL */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
509 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
510 MFREE_PRIM(cia_decomp_ind); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
511 cia_decomp_ind = NULL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
512 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
513 * Corupted segment, request next one. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
514 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
515 TRACE_EVENT("WARNING DECOMP: Corupted segment, request next one!"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
516 if (ack) { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
517 sig_cia_sda_getdata(sapi, nsapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
518 } else { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
519 sig_cia_sd_getunitdata(sapi, nsapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
520 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
521 return; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
522 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
523 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
524 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
525 * Is the cnf for sd or sda? |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
526 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
527 if (ack) { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
528 sig_cia_sda_cia_decomp_ind(cia_decomp_ind, p_id); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
529 } else { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
530 sig_cia_sd_cia_decomp_ind(cia_decomp_ind, p_id); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
531 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
532 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
533 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
534 TRACE_ERROR( "CIA_DECOMP_IND unexpected" ); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
535 MFREE_PRIM(cia_decomp_ind); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
536 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
537 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
538 } /* cia_cia_decomp_ind() */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
539 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
540 #endif /* CF_FAST_EXEC */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
541 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
542 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
543 +------------------------------------------------------------------------------ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
544 | Function : cia_cia_comp_ind |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
545 +------------------------------------------------------------------------------ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
546 | Description : Handles the primitive CIA_COMP_IND |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
547 | |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
548 | Parameters : *cia_comp_ind - Ptr to primitive payload |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
549 | |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
550 +------------------------------------------------------------------------------ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
551 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
552 #ifndef CF_FAST_EXEC |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
553 |
fa8dc04885d8
src/g23m-*: 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 ) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
555 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
556 UBYTE nsapi = cia_comp_ind->pdu_ref.ref_nsapi; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
557 BOOL ack = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
558 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
559 TRACE_FUNCTION( "cia_cia_comp_ind" ); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
560 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
561 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
562 #ifdef SNDCP_TRACE_ALL |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
563 switch (cia_comp_ind->packet_type) { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
564 case TYPE_IP: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
565 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
566 cia_comp_ind->packet_type, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
567 "TYPE_IP"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
568 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
569 case TYPE_UNCOMPRESSED_TCP: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
570 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
571 cia_comp_ind->packet_type, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
572 "TYPE_UNCOMPRESSED_TCP"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
573 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
574 case TYPE_COMPRESSED_TCP: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
575 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
576 cia_comp_ind->packet_type, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
577 "TYPE_COMPRESSED_TCP"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
578 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
579 case TYPE_ERROR: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
580 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
581 cia_comp_ind->packet_type, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
582 "TYPE_ERROR"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
583 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
584 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
585 TRACE_EVENT_P2("cia_comp_ind->packet_type: %02x (%s)", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
586 cia_comp_ind->packet_type, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
587 "unknown"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
588 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
589 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
590 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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591 #endif /* SNDCP_TRACE_ALL */ |
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592 |
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593 switch( GET_STATE(CIA) ) |
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594 { |
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595 case CIA_DEFAULT: |
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596 /* |
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597 * Is the cnf for su or sua? |
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598 */ |
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599 sndcp_get_nsapi_ack(nsapi, &ack); |
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600 if (ack) { |
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601 sig_cia_sua_cia_comp_ind(cia_comp_ind); |
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602 } else { |
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603 sig_cia_su_cia_comp_ind(cia_comp_ind); |
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604 } |
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605 break; |
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606 default: |
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607 TRACE_ERROR( "CIA_CIA_COMP_IND unexpected" ); |
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608 sndcp_cl_desc3_free((T_desc3*)cia_comp_ind->desc_list3.first); |
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609 MFREE(cia_comp_ind); |
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610 break; |
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611 } |
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612 } /* cia_cia_comp_ind() */ |
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613 |
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614 #endif /* CF_FAST_EXEC */ |
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615 |
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616 |
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617 |
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618 |