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comparison src/g23m-gprs/upm/upm.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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0:b6a5e36de839 1:d393cd9bb723
1 /*----------------------------------------------------------------------------
2 | Project : 3G PS
3 | Module : UPM
4 +-----------------------------------------------------------------------------
5 | Copyright 2003 Texas Instruments.
6 | All rights reserved.
7 |
8 | This file is confidential and a trade secret of Texas
9 | Instruments .
10 | The receipt of or possession of this file does not convey
11 | any rights to reproduce or disclose its contents or to
12 | manufacture, use, or sell anything it may describe, in
13 | whole, or in part, without the specific written consent of
14 | Texas Instruments.
15 +-----------------------------------------------------------------------------
16 | Purpose: Utility functions for the UPM entity.
17 | For design details, see:
18 | 8010.939 UPM Detailed Specification
19 +---------------------------------------------------------------------------*/
20
21 /*==== DECLARATION CONTROL =================================================*/
22
23 /*==== INCLUDES ============================================================*/
24
25 #include "upm.h"
26
27 /*==== CONSTS ===============================================================*/
28
29 /*==== TYPES ================================================================*/
30
31 T_UPM_DATA upm_data;
32
33 /*==== LOCALS ===============================================================*/
34
35 /*==== PUBLIC FUNCTIONS =====================================================*/
36
37 /*
38 +------------------------------------------------------------------------------
39 | Function : upm_pfree
40 +------------------------------------------------------------------------------
41 | Description : PFREE macro replacement
42 |
43 | Parameters : data - memory to free
44 +------------------------------------------------------------------------------
45 */
46 void upm_pfree(/*@only@*/ /*@null@*/ /*@out@*/ void *data)
47 {
48 if (data != NULL)
49 {
50 vsi_c_pfree((T_VOID_STRUCT **)&data FILE_LINE_MACRO);
51 }
52 }
53
54 /*
55 +------------------------------------------------------------------------------
56 | Function : upm_mfree
57 +------------------------------------------------------------------------------
58 | Description : Wrapper for MFREE macro.
59 |
60 | Parameters : data - memory to free (NULL allowed)
61 +------------------------------------------------------------------------------
62 */
63 void upm_mfree(/*@only@*/ /*@out@*/ /*@null@*/ void *data)
64 {
65 if (data != NULL) {
66 MFREE(data);
67 }
68 }
69
70 /*
71 +------------------------------------------------------------------------------
72 | Function : upm_nsapi2nsapi_set
73 +------------------------------------------------------------------------------
74 | Description : Return nsapi_set corresponding to NSAPI
75 |
76 | Parameters : nsapi - NSAPI
77 +------------------------------------------------------------------------------
78 */
79 U16 upm_nsapi2nsapi_set(int /*@alt U8@*/ nsapi) /*@*/
80 {
81 TRACE_ASSERT ((T_NAS_nsapi)nsapi >= NAS_NSAPI_5 && nsapi <= NAS_NSAPI_15);
82
83 return (U16)(1UL << (U16)nsapi);
84 }
85
86 /*
87 +------------------------------------------------------------------------------
88 | Function : upm_get_context_data_from_nsapi
89 +------------------------------------------------------------------------------
90 | Description : Returns context data structure associated with indicated NSAPI.
91 |
92 | Parameters : nsapi - NSAPI index
93 +------------------------------------------------------------------------------
94 */
95 /*@null@*/ /*@exposed@*/
96 struct T_CONTEXT_DATA *upm_get_context_data_from_nsapi(int /*@alt U8@*/ nsapi)
97 {
98 TRACE_ASSERT (((T_NAS_nsapi)nsapi >= NAS_NSAPI_5 && nsapi <= NAS_NSAPI_15));
99
100 /*lint -e{661} upm_context_array causes out of bounds access, it does not! */
101 return (upm_data.upm_context_array[nsapi - (int)NAS_NSAPI_5]);
102 }
103
104 /*
105 +------------------------------------------------------------------------------
106 | Function : upm_assign_context_data_to_nsapi
107 +------------------------------------------------------------------------------
108 | Description : Assign context data structure to global context array.
109 |
110 | Parameters : ptr_context_data - Pointer to context data
111 | nsapi - NSAPI index
112 +------------------------------------------------------------------------------
113 */
114 void upm_assign_context_data_to_nsapi(/*@keep@*/
115 struct T_CONTEXT_DATA *ptr_context_data,
116 int /*@alt U8@*/ nsapi)
117 {
118 (void)TRACE_EVENT_P2("upm_assign_context_data_to_nsapi: NSAPI%3d = %p", nsapi, ptr_context_data);
119
120 TRACE_ASSERT ((T_NAS_nsapi)nsapi >= NAS_NSAPI_5 && nsapi <= NAS_NSAPI_15);
121
122 /*lint -e{661} upm_context_array causes out of bounds access, it does not! */
123 upm_data.upm_context_array[nsapi - (int)NAS_NSAPI_5] = ptr_context_data;
124 ptr_context_data->nsapi = nsapi;
125 }
126
127 /*
128 +------------------------------------------------------------------------------
129 | Function : upm_free_context_data
130 +------------------------------------------------------------------------------
131 | Description : Free context data structure associated with indicated NSAPI.
132 |
133 | Parameters : nsapi - NSAPI index
134 +------------------------------------------------------------------------------
135 */
136 void upm_free_context_data(int /*@alt U8@*/ nsapi)
137 {
138 TRACE_ASSERT ((T_NAS_nsapi)nsapi >= NAS_NSAPI_5 && nsapi <= NAS_NSAPI_15);
139
140 /*lint -e661 (upm_context_array causes out of bounds access, it does not!) */
141 if ( upm_data.upm_context_array[nsapi - (int)NAS_NSAPI_5] != NULL ) {
142 upm_mfree(upm_data.upm_context_array[nsapi - (int)NAS_NSAPI_5]);
143 upm_data.upm_context_array[nsapi - (int)NAS_NSAPI_5] = NULL;
144 /*lint +e661 (upm_context_array causes out of bounds access, it does not!) */
145 }
146 }
147
148 /*
149 +------------------------------------------------------------------------------
150 | Function : upm_check_for_released_context_and_release
151 +------------------------------------------------------------------------------
152 | Description : Check whether a context is released (both link and DTI
153 | connections released), and if so, freee context data structure
154 | associated with indicated NSAPI.
155 |
156 | Parameters : nsapi - NSAPI index
157 +------------------------------------------------------------------------------
158 */
159 void upm_check_for_released_context_and_release(struct T_CONTEXT_DATA *context)
160 {
161 if (upm_is_link_released(context)
162 #ifndef UPM_WITHOUT_USER_PLANE
163 && upm_is_dti_disconnected(context)
164 #endif
165 )
166 {
167 U8 nsapi = context->nsapi;
168
169 upm_free_context_data(nsapi);
170 (void)TRACE_EVENT_P1("upm_check_for_released_context_and_release on NSAPI %d: Context data freed...", nsapi);
171 }
172 }
173
174 /*
175 +------------------------------------------------------------------------------
176 | Function : upm_get_current_rat
177 +------------------------------------------------------------------------------
178 | Description : Returns the RAT in which UPM is currently active
179 |
180 | Parameters : None
181 +------------------------------------------------------------------------------
182 */
183 #ifdef TI_DUAL_MODE
184 T_PS_rat upm_get_current_rat(void)
185 {
186 return upm_data.upm_rat;
187 }
188 #endif /* TI_DUAL_MODE */
189
190 /*
191 +------------------------------------------------------------------------------
192 | Function : upm_set_current_rat
193 +------------------------------------------------------------------------------
194 | Description : Sets currently active RAT
195 |
196 | Parameters : rat - RAT received from SM or MM
197 +------------------------------------------------------------------------------
198 */
199 #ifdef TI_DUAL_MODE
200 void upm_set_current_rat(T_PS_rat rat)
201 /*@modifies upm_data.upm_rat@*/
202 {
203 upm_data.upm_rat = rat;
204 }
205 #endif /* TI_DUAL_MODE */
206
207 /*
208 +------------------------------------------------------------------------------
209 | Function : upm_ll_entity_test
210 +------------------------------------------------------------------------------
211 | Description : Returns TRUE if upm_ll_entity_test is set in UPM data struct
212 |
213 | Parameters : None
214 +------------------------------------------------------------------------------
215 */
216 BOOL upm_ll_entity_test(void)
217 {
218 return upm_data.upm_ll_entity_test;
219 }
220
221 /*
222 +------------------------------------------------------------------------------
223 | Function : upm_activate_ll_entity_test
224 +------------------------------------------------------------------------------
225 | Description : Enables lower layer stubs for entity test
226 |
227 | Parameters : None
228 +------------------------------------------------------------------------------
229 */
230 void upm_activate_ll_entity_test(void)
231 {
232 upm_data.upm_ll_entity_test = TRUE;
233 }
234
235 /*
236 +------------------------------------------------------------------------------
237 | Function : upm_set_sequence_number
238 +------------------------------------------------------------------------------
239 | Description : Stores the receive sequence number from MM for later retrieval
240 |
241 | Parameters : ptr_context_data - Context data
242 | seq_no - Receive sequence number
243 +------------------------------------------------------------------------------
244 */
245 void upm_set_sequence_number(struct T_CONTEXT_DATA *ptr_context_data, U8 seq_no)
246 {
247 (void)TRACE_FUNCTION("upm_set_sequence_number");
248
249 ptr_context_data->seq_nos_valid = (U8)TRUE;
250 ptr_context_data->recv_seq_no = seq_no;
251 }
252
253 /*
254 +------------------------------------------------------------------------------
255 | Function : upm_get_sequence_number
256 +------------------------------------------------------------------------------
257 | Description : Retrieves the receive sequence number previously gotten from MM
258 |
259 | Parameters : ptr_context_data - Context data
260 +------------------------------------------------------------------------------
261 */
262 U8 upm_get_sequence_number(struct T_CONTEXT_DATA *ptr_context_data)
263 {
264 (void)TRACE_FUNCTION("upm_get_sequence_number");
265
266 if (ptr_context_data->seq_nos_valid != (U8)0)
267 {
268 ptr_context_data->seq_nos_valid = (U8)0;
269 return ptr_context_data->recv_seq_no;
270 } else {
271 return (U8)0;
272 }
273 }
274
275 /*==== END OF FILE ==========================================================*/