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annotate src/g23m-aci/gdd_dio/gdd_dio_dtxf.c @ 179:d0a2eaf41733

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mmiTimeDate.c: formatting fixes and dead code elimination
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 19 Jan 2021 04:26:17 +0000
parents fa8dc04885d8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
fa8dc04885d8 src/g23m-*: import from Magnetite
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | File : gdd_dio_txf.c
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4 +-----------------------------------------------------------------------------
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5 | Copyright 2002 Texas Instruments Berlin, AG
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6 | All rights reserved.
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7 |
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8 | This file is confidential and a trade secret of Texas
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9 | Instruments Berlin, AG
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10 | The receipt of or possession of this file does not convey
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11 | any rights to reproduce or disclose its contents or to
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12 | manufacture, use, or sell anything it may describe, in
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13 | whole, or in part, without the specific written consent of
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14 | Texas Instruments Berlin, AG.
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15 +-----------------------------------------------------------------------------
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16 | Purpose : This modul is part of the entity gdd_dio and implements the
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17 | dtx service functions.
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18 +-----------------------------------------------------------------------------
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19 */
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20
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21
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22 #define ENTITY_GDD_DIO
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23
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24 /*==== INCLUDES =============================================================*/
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25
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26 #include "typedefs.h" /* to get Condat data types */
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27 #include "vsi.h" /* to get a lot of macros */
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28
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29 /* GDD stuff */
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30 #include "gdd_dio.h" /* to get the global entity definitions */
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31 #include "gdd_dio_con_mgr.h"
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32
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33 #include "gdd_dio_dtxf.h"
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34 #include "gdd_dio_rxf.h"
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35 #include "gdd_dio_drxf.h" /* Needed for allocate_gdd_desc_list() etc */
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36
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37 #include "gdd_dio_queue.h"
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38
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39 /*==== CONST ================================================================*/
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40
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41 /*==== LOCAL VARS ===========================================================*/
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42
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43 /*==== PRIVATE FUNCTIONS ====================================================*/
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44
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45 /*==== PUBLIC FUNCTIONS =====================================================*/
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46
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47
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48 GLOBAL GDD_RESULT gdd_dio_dtx_get_send_buffer
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49 (
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50 T_GDD_CON_HANDLE con_handle,
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51 T_GDD_BUF ** send_buf,
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52 U16 data_size
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53 )
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54 {
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55 T_GDD_INST_ID inst;
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56 T_GDD_DIO_DATA * gdd_dio_data;
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57 T_GDD_DIO_CON_DATA * con_data;
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58 T_dio_buffer * dio_buf;
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59
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60 TRACE_USER_CLASS(TC_FUNC_DATA_FLOW, "[GDD] gdd_dio_dtx_get_send_buffer()");
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61
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62 inst = (T_GDD_INST_ID)inst_num_from_dev_id(con_handle);
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63
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64 /**
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65 * Do the necessary checks.
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66 */
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67 if(inst < 0)
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68 {
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69 TRACE_ERROR("[GDD] Invalid connection handle");
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70 return GDD_INVALID_PARAMS;
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71 }
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72
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73 if(inst >= GDD_NUM_INSTS)
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74 {
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75 TRACE_ERROR("[GDD] inst id out of bounds");
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76 return GDD_INTERNAL_ERROR;
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77 }
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78 gdd_dio_data = &gdd_dio_data_base[inst];
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79
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80 if(gdd_dio_init_flag[inst] EQ FALSE)
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81 {
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82 TRACE_ERROR("[GDD] Instance not initialized");
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83 return GDD_INVALID_PARAMS;
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84 }
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85
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86 if (gdd_dio_data->ker.state NEQ GDD_DIO_KER_READY)
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87 {
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88 TRACE_ERROR("[GDD] DIO driver not initialized");
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89 return GDD_INTERNAL_ERROR;
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90 }
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91
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92 con_data = get_con_data(gdd_dio_data, con_handle);
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93 if(con_data EQ NULL)
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94 {
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95 TRACE_ERROR("[GDD] Invalid connection handle");
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96 return GDD_INVALID_PARAMS;
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97 }
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98
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99 if(data_size EQ 0 || data_size > con_data->dio_cap.mtu_data)
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100 {
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101 TRACE_ERROR("[GDD] requested data_size (MTU size) out of range");
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102 return GDD_INVALID_PARAMS;
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103 }
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104
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105 if( con_data->con_state EQ GDD_DIO_CON_CONNECT ||
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106 con_data->con_state EQ GDD_DIO_CON_SENDING ||
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107 gdd_dio_queue_peek_next_for_dequeue(&con_data->rx_queue, &dio_buf) EQ FALSE)
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108 {
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109 /* Set the flag indicating the somebody (the client) is waiting for a send
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110 buffer. As a consequence, the signal GDD_SIGTYPE_SEND_BUF_AVAILABLE
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111 will be sent as soon as we receive a new RX buffer from PSI. */
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112 char * reason;
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113 if(con_data->con_state EQ GDD_DIO_CON_CONNECT)
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114 reason = "con_state=GDD_DIO_CON_CONNECT";
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115 else if(con_data->con_state EQ GDD_DIO_CON_SENDING)
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116 reason = "con_state=GDD_DIO_CON_SENDING";
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117 else
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118 reason = "no buffer available in RX queue";
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119
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120 con_data->wait_send_buf = TRUE;
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121
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122 TRACE_EVENT_P2("[GDD] Cannot return buffer [con_handle=0x%4x: %s]",
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123 con_handle, reason);
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124
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125 return GDD_NO_BUF_AVAILABLE;
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126 }
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127 else
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128 {
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129 /* Make sure that buffer can hold what is requested.
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130 We must take into account that the first 2-byte segment holding
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131 the protocol ID which is not part of the pay-load */
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diff changeset
132 if(data_size > (dio_buf->length-2))
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 TRACE_ERROR("[GDD] Requested buffer size too large");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 return GDD_REQ_BUF_TOO_LARGE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 else
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 /* Setup current descriptor list and pass it back to the client */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 (*send_buf) = (T_GDD_BUF *)dio_buf;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 con_data->con_state = GDD_DIO_CON_SENDING;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 return GDD_OK;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 GLOBAL GDD_RESULT gdd_dio_dtx_send_buffer(T_GDD_CON_HANDLE con_handle, T_GDD_BUF * buf)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 #ifdef GDD_MAKE_DTX_CONTEXT_SWITCH
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 U32 signal = GDD_DIO_SIGNAL_SEND_DATA | (U32)con_handle;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 #endif /* GDD_MAKE_DTX_CONTEXT_SWITCH */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 T_GDD_INST_ID inst;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 T_GDD_DIO_DATA * gdd_dio_data;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 T_GDD_DIO_CON_DATA * con_data;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 T_dio_buffer * dio_buf;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 TRACE_USER_CLASS(TC_FUNC_DATA_FLOW, "[GDD] gdd_dio_dtx_send_buffer()");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 inst = (T_GDD_INST_ID)inst_num_from_dev_id(con_handle);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 /**
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 * Do the necessary checks.
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 if(inst < 0)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 TRACE_ERROR("[GDD] Invalid connection handle");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 return GDD_INVALID_PARAMS;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 else if(inst >= GDD_NUM_INSTS)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 TRACE_ERROR("[GDD] inst id out of bounds");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 return GDD_INTERNAL_ERROR;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 gdd_dio_data = &gdd_dio_data_base[inst];
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 if(gdd_dio_init_flag[inst] EQ FALSE)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 TRACE_ERROR("[GDD] Instance not initialized");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 return GDD_ALREADY_INITIALIZED;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 if (gdd_dio_data->ker.state NEQ GDD_DIO_KER_READY)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 TRACE_ERROR("[GDD] DIO driver not initialized");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 return GDD_INTERNAL_ERROR;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 con_data = get_con_data(gdd_dio_data, con_handle);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 if(con_data EQ NULL)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 TRACE_ERROR("[GDD] Invalid connection handle");
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 return GDD_INVALID_PARAMS;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 /* The pointer which is next for dequeue must be the one which
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 corresponds to the buffer for sending ! */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 if(gdd_dio_queue_peek_next_for_dequeue(&con_data->rx_queue, &dio_buf) EQ FALSE)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 return GDD_INTERNAL_ERROR;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 #ifdef GDD_MAKE_DTX_CONTEXT_SWITCH
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 #ifdef MEMORY_SUPERVISION
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 vsi_c_ssend(hCommGDD_DIO, signal, (T_VOID_STRUCT*)dio_buf, sizeof(T_VOID_STRUCT*), __FILE__, __LINE__);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 #else
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 vsi_c_ssend(hCommGDD_DIO, signal, (T_VOID_STRUCT*)dio_buf, sizeof(T_VOID_STRUCT*));
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 #endif
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 return GDD_OK;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 #else /* GDD_MAKE_DTX_CONTEXT_SWITCH */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 /* Call the corresponding RX function directly instead of sending signal */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 gdd_dio_rx_sig_send_data(con_handle, dio_buf);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 return GDD_OK;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 #endif /* GDD_MAKE_DTX_CONTEXT_SWITCH */
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