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annotate src/g23m-gprs/sndcp/sndcp_suaf.c @ 1:d393cd9bb723

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src/g23m-*: initial import from Magnetite
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 04:40:46 +0000
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d393cd9bb723 src/g23m-*: initial import from Magnetite
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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_suaf.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 | procedures and functions as described in the
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19 | SDL-documentation (SUA-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 "prim.h" /* to get the definitions of used SAP and directions */
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32
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33 #include "dti.h"
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34
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35 #include "sndcp.h" /* to get the global entity definitions */
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36 #include "sndcp_f.h" /* to get the functions to access the global arrays*/
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37
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38 #include "sndcp_suaf.h" /* to get this file */
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39 #include "sndcp_nus.h" /* to get signals to service nu */
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40 #include "sndcp_cias.h" /* to get signals to service cia */
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41
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42
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43 /*==== CONST ================================================================*/
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44
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45 /*==== LOCAL VARS ===========================================================*/
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46
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47 /*==== PRIVATE FUNCTIONS ====================================================*/
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48
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49 /*==== PUBLIC FUNCTIONS =====================================================*/
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50
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51 #ifdef _SNDCP_DTI_2_
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52 /*
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53 +------------------------------------------------------------------------------
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54 | Function : sua_get_nsapi
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55 +------------------------------------------------------------------------------
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56 | Description : find the affected nsapi in sn-PDU.
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57 |
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58 | Parameters : ll_desc_req*
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59 | Returns : the nsapi
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60 |
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61 +------------------------------------------------------------------------------
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62 */
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63 GLOBAL U8 sua_get_nsapi (T_LL_DESC_REQ* ll_desc_req)
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64 {
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65 T_desc3* desc3 = NULL;
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66 U8 * sndcp_header = NULL;
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67
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68 /* Get the descriptor describing the memory area with the sndcp header */
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69
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70 desc3 = (T_desc3*)ll_desc_req->desc_list3.first;
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71 sndcp_header = (U8*)desc3->buffer;
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72
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73 TRACE_FUNCTION( "sua_get_nsapi" );
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74
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75 return (*(sndcp_header + ENCODE_OFFSET_BYTE)) & 0xf;
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76 } /* sua_get_nsapi() */
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77 #else /* _SNDCP_DTI_2_ */
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78 /*
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79 +------------------------------------------------------------------------------
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80 | Function : sua_get_nsapi
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81 +------------------------------------------------------------------------------
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82 | Description : find the affected nsapi in sn-PDU.
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83 |
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84 | Parameters : ll_data_req*
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85 | Returns : the nsapi
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86 |
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87 +------------------------------------------------------------------------------
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88 */
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89 GLOBAL UBYTE sua_get_nsapi (T_LL_DATA_REQ* ll_data_req)
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90 {
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91 USHORT octet_offset = (ll_data_req->sdu.o_buf) >> 3;
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92
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93 TRACE_FUNCTION( "sua_get_nsapi" );
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94
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95 return ll_data_req->sdu.buf[octet_offset] & 0xf;
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96
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97 } /* sua_get_nsapi() */
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98 #endif /* _SNDCP_DTI_2_ */
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99 /*
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100 +------------------------------------------------------------------------------
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101 | Function : sua_init
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102 +------------------------------------------------------------------------------
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103 | Description : The function sua_init()
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104 |
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105 | Parameters :
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106 |
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107 +------------------------------------------------------------------------------
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108 */
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109 GLOBAL void sua_init (void)
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110 {
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111 TRACE_FUNCTION( "sua_init" );
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112
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113 /*
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114 * Not initialized:
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115 * Members of sn_data_q are not set to NULL.
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116 * Members of npdu_number_q are not set to 0.
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117 * Members of ll_desc_q are not set to NULL.
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118 * Members of ll_data_q are not set to NULL.
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119 */
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120
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121 sndcp_data->sua = & sndcp_data->sua_base[0];
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122 INIT_STATE(SUA_0, SUA_LLC_NOT_RECEPTIVE);
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123 #ifdef SNDCP_2to1
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124 sndcp_data->sua->sapi = PS_SAPI_3;
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125 #else
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126 sndcp_data->sua->sapi = LL_SAPI_3;
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127 #endif /*SNDCP_2to1*/
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128 sndcp_data->sua = & sndcp_data->sua_base[1];
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129 INIT_STATE(SUA_1, SUA_LLC_NOT_RECEPTIVE);
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130 #ifdef SNDCP_2to1
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131 sndcp_data->sua->sapi = PS_SAPI_5;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 #else
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 sndcp_data->sua->sapi = LL_SAPI_5;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 #endif /*SNDCP_2to1*/
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 sndcp_data->sua = & sndcp_data->sua_base[2];
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 INIT_STATE(SUA_2, SUA_LLC_NOT_RECEPTIVE);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 #ifdef SNDCP_2to1
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 sndcp_data->sua->sapi = PS_SAPI_9;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 #else
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 sndcp_data->sua->sapi = LL_SAPI_9;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 #endif /*SNDCP_2to1*/
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 sndcp_data->sua = & sndcp_data->sua_base[3];
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 INIT_STATE(SUA_3, SUA_LLC_NOT_RECEPTIVE);
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 #ifdef SNDCP_2to1
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 sndcp_data->sua->sapi = PS_SAPI_11;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 #else
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 sndcp_data->sua->sapi = LL_SAPI_11;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 #endif /*SNDCP_2to1*/
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 UBYTE sapi_index = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 for (sapi_index = 0; sapi_index < SNDCP_NUMBER_OF_SAPIS; sapi_index++) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 sndcp_data->sua = & sndcp_data->sua_base[sapi_index];
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 sndcp_data->sua->n201_i = N201_I_DEFAULT;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 sndcp_data->sua->sn_data_q_read = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 sndcp_data->sua->sn_data_q_write = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 #ifdef _SNDCP_DTI_2_
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 sndcp_data->sua->ll_desc_q_read = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 sndcp_data->sua->ll_desc_q_write = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 #else /* _SNDCP_DTI_2_ */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 sndcp_data->sua->ll_data_q_read = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 sndcp_data->sua->ll_data_q_write = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 #endif /* _SNDCP_DTI_2_ */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 sndcp_data->sua->first_seg_info = NULL;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 sndcp_data->sua->cia_state = CIA_IDLE;
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 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 } /* sua_init() */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173
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
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 | Function : sua_mark_segment
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 | Description : The function sua_mark_segment()
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 | Parameters : N-PDU number, NSAPI, LL_DESC_REQ in which the reference has to be set.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 | Pre : The "correct" sua instance is activated and
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 | sndcp_data->sua->segment_number is the segment number of the
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 | current segment.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 |
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 +------------------------------------------------------------------------------
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 GLOBAL void sua_mark_segment (UBYTE npdu_number,
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 UBYTE nsapi)
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 T_SEG_INFO* seg_info = NULL;
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 TRACE_FUNCTION( "sua_mark_segment" );
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196
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 * Add new seg_info to the list.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 if (sndcp_data->sua->first_seg_info == NULL) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 MALLOC(seg_info, sizeof(T_SEG_INFO));
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 * The list has been empty.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 sndcp_data->sua->first_seg_info = seg_info;
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 * First segment.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 seg_info->number_of_segments = 1;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 * Reset the confirm mask.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 seg_info->cnf_segments = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 seg_info->npdu_number = npdu_number;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 seg_info->next = NULL;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 seg_info->nsapi = nsapi;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 } else {
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 * There are already some seg_infos. Find the seg_info for the given N-PDU.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 * number and NSAPI or create a new one.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 * Are N-PDU number and NSAPI different?
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 BOOL different = TRUE;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 BOOL end = FALSE;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 T_SEG_INFO* help = sndcp_data->sua->first_seg_info;
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 while(!end && different) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 if (nsapi == help->nsapi && npdu_number == help->npdu_number) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 different = FALSE;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 } else {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 if (help->next == NULL) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 end = TRUE;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 } else {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236 help = help->next;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 }
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 if (different) {
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 * A seg_info with same NSAPI and N-PDU number has not been found.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 * Create a new one.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245 MALLOC(seg_info, sizeof(T_SEG_INFO));
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 * First segment.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249 seg_info->number_of_segments = 1;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 * Reset the confirm mask.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 seg_info->cnf_segments = 0;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 seg_info->npdu_number = npdu_number;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 seg_info->next = NULL;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 seg_info->nsapi = nsapi;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 /*
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 * Add the new seg_info to the list.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 */
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 help->next = seg_info;
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 } else {
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 * A seg_info with same NSAPI and N-PDU number has been found.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264 * Use this one.
d393cd9bb723 src/g23m-*: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 */
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266 help->number_of_segments++;
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267 }
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268
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269 }
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270
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271 } /* sua_mark_segment() */
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272
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273
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274 /*
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275 +------------------------------------------------------------------------------
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276 | Function : sua_next_sn_data_req
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277 +------------------------------------------------------------------------------
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278 | Description : If queue with sn_data_req is
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279 | not empty, send SIG_SUA_CIA_DATA_REQ with next prim from sn_data_req queue
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280 |
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281 | Parameters : sapi
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282 | Pre : cia_state == CIA_IDLE
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283 |
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284 +------------------------------------------------------------------------------
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285 */
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286 GLOBAL void sua_next_sn_data_req (UBYTE sapi)
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287 {
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288 TRACE_FUNCTION( "sua_next_sn_data_req" );
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289
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290 if (sndcp_data->sua->sn_data_q_write !=
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291 sndcp_data->sua->sn_data_q_read) {
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292 /*
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293 * Get sn_data_req from queue.
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parents:
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294 */
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parents:
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295 T_SN_DATA_REQ* sn_data_req =
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296 sndcp_data->sua->sn_data_q[sndcp_data->sua->sn_data_q_read];
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297 /*
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298 * Get npdu_number from queue.
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299 */
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300 UBYTE npdu_num =
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parents:
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301 sndcp_data->sua->npdu_number_q[sndcp_data->sua->sn_data_q_read];
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302 UBYTE nsapi = sn_data_req->nsapi;
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303
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parents:
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304 sndcp_data->sua->sn_data_q[sndcp_data->sua->sn_data_q_read] = NULL;
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parents:
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305 sndcp_data->sua->sn_data_q_read =
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parents:
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306 (sndcp_data->sua->sn_data_q_read + 1) % SN_DATA_Q_LEN;
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parents:
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307
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parents:
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308 /*
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parents:
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309 * Cia is now busy. Send data.
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parents:
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310 */
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parents:
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311 sndcp_data->sua->cia_state = CIA_BUSY;
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parents:
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312 sig_sua_cia_cia_comp_req(sn_data_req,
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parents:
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313 npdu_num,
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parents:
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314 nsapi,
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parents:
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315 sapi);
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parents:
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316 } else if (sndcp_data->sua->cia_state == CIA_IDLE) {
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parents:
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317 UBYTE nsapi = 0;
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parents:
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318
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parents:
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319 for (nsapi = 0; nsapi < SNDCP_NUMBER_OF_NSAPIS; nsapi++) {
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parents:
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320 UBYTE used_sapi = 0;
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parents:
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321 BOOL used = FALSE;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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322 BOOL ack = FALSE;
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parents:
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323
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parents:
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324 sndcp_is_nsapi_used(nsapi, &used);
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parents:
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325 if (used) {
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parents:
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326 sndcp_get_nsapi_sapi(nsapi, &used_sapi);
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parents:
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327 sndcp_get_nsapi_ack(nsapi, &ack);
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parents:
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328 if (used_sapi == sapi && ack) {
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parents:
diff changeset
329 sig_sua_nu_ready_ind(nsapi);
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parents:
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330 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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331 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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332 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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333 }
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parents:
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334
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parents:
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335 } /* sua_next_sn_data_req() */
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parents:
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336