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comparison src/g23m-fad/l2r/l2r_dnp.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 +-----------------------------------------------------------------------------
3 | Project : CSD (8411)
4 | Modul : L2r_dnp.c
5 +-----------------------------------------------------------------------------
6 | Copyright 2002 Texas Instruments Berlin, AG
7 | All rights reserved.
8 |
9 | This file is confidential and a trade secret of Texas
10 | Instruments Berlin, AG
11 | The receipt of or possession of this file does not convey
12 | any rights to reproduce or disclose its contents or to
13 | manufacture, use, or sell anything it may describe, in
14 | whole, or in part, without the specific written consent of
15 | Texas Instruments Berlin, AG.
16 +-----------------------------------------------------------------------------
17 | Purpose : This Modul defines the functions for processing
18 | of incomming primitives for the component
19 | L2R of the base station
20 +-----------------------------------------------------------------------------
21 */
22
23 #ifndef L2R_DNP_C
24 #define L2R_DNP_C
25 #endif
26
27 #define ENTITY_L2R
28
29 /*==== INCLUDES ===================================================*/
30
31 #include <string.h>
32 #include "typedefs.h"
33 #include "pconst.cdg"
34 #include "vsi.h"
35 #include "macdef.h"
36 #include "custom.h"
37 #include "gsm.h"
38 #include "cus_l2r.h"
39 #include "cnf_l2r.h"
40 #include "mon_l2r.h"
41 #include "prim.h"
42 #include "pei.h"
43 #include "tok.h"
44 #include "dti.h" /* functionality of the dti library */
45
46 #include "cl_ribu.h"
47 #include "l2r.h"
48
49 /*==== CONST =======================================================*/
50
51 /*==== TYPES =======================================================*/
52
53 /*==== VAR EXPORT ==================================================*/
54
55 /*==== VAR LOCAL ===================================================*/
56
57 /*==== FUNCTIONS ===================================================*/
58
59 /*
60 +------------------------------------------------------------------------------
61 | Function : sig_dti_dn_tx_buffer_full_ind
62 +------------------------------------------------------------------------------
63 | Description : Process signal DTI_REASON_TX_BUFFER_FULL received from
64 | dti library callback function.
65 |
66 | Parameters : -
67 |
68 | Return : -
69 +------------------------------------------------------------------------------
70 The buffer function of DTILIB is not used.
71 So there is nothing to be done here yet..
72 */
73 GLOBAL void sig_dti_dn_tx_buffer_full_ind()
74 {
75 TRACE_FUNCTION ("sig_dti_dn_tx_buffer_full_ind()");
76 }
77
78
79 /*
80 +------------------------------------------------------------------------------
81 | Function : sig_dti_dn_tx_buffer_ready_ind
82 +------------------------------------------------------------------------------
83 | Description : Process signal DTI_REASON_TX_BUFFER_READY received from
84 | dti library callback function.
85 |
86 | Parameters : -
87 |
88 | Return : -
89 +------------------------------------------------------------------------------
90 */
91 GLOBAL void sig_dti_dn_tx_buffer_ready_ind()
92 {
93 T_DN *ddn = &l2r_data->dn;
94
95 TRACE_FUNCTION ("sig_dti_dn_tx_buffer_ready_ind()");
96
97 if(ddn->Brk_dti_data_ind NEQ NULL)
98 {
99 /*
100 * if there is a pending break indication to be sent via dti,
101 * send it now and go waiting for the next flow control primitive
102 */
103 SET_STATE (DN_UL, IW_WAIT);
104 sig_mgt_dn_send_break_req();
105 return;
106 }
107
108 switch (GET_STATE (DN))
109 {
110 case DN_CONNECTED:
111 if (!ddn->DtiConnected) /*jk: data send only when DTI connected*/
112 break;
113
114 if ((ddn->RiBu.idx.filled AND ddn->ULFlow EQ FL_INACTIVE) OR ddn->ReportMrgFlow)
115 {
116 dn_send_data_ind(); /* primitive is in ring buffer or flow state must be reported*/
117 }
118 else
119 {
120 SET_STATE (DN_UL, IW_WAIT); /* no primitive is ready */
121 }
122
123 dn_cond_free_prims();
124 dn_check_flow();
125
126 switch (GET_STATE (DN_LL))
127 {
128 case IW_IDLE:
129 dn_cond_req_data();
130 break;
131 }
132 break;
133 }
134 }
135
136 GLOBAL void dn_rlp_data_ind(T_RLP_DATA_IND *rlp_data_ind)
137 {
138 T_DN *ddn = &l2r_data->dn;
139
140 T_PRIM_INDEX frames;
141 T_PRIM_INDEX emptyfr;
142 T_PRIM_INDEX r_index;
143 BOOL break_found;
144 T_BIT sa;
145 T_BIT sb;
146 T_FLOW flow_brk;
147 T_FLOW flow_gen;
148
149 TRACE_FUNCTION ("dn_rlp_data_ind()");
150 PACCESS (rlp_data_ind);
151
152 switch (GET_STATE (DN))
153 {
154 case DN_CONNECTED:
155 case DN_WAIT_FIRST_DATA:
156 dn_scan_break_req
157 (
158 rlp_data_ind,
159 &break_found,
160 &r_index,
161 &frames,
162 &emptyfr,
163 &sa,
164 &sb,
165 &flow_brk,
166 &flow_gen
167 );
168
169 if (break_found EQ FALSE)
170 {
171 if (frames > 0)
172 {
173 if (GET_STATE (DN) EQ DN_WAIT_FIRST_DATA AND sb EQ 0)
174 {
175 sig_dn_mgt_first_data_ind();
176 SET_STATE (DN, DN_CONNECTED);
177 }
178 dn_store_status(flow_gen); /* stores flow ctrl state only */
179 dn_store_prim(rlp_data_ind, 0); /* L2R-ENH-7527 quick fix */
180 }
181 else
182 {
183 dn_cond_report_status();
184 PFREE (rlp_data_ind);
185 }
186 }
187 else /* break found */
188 {
189 dn_free_all_prims();
190 dn_init_ribu();
191 dn_check_flow();
192
193 if (r_index EQ frames)
194 {
195 dn_store_status(flow_brk);
196 PFREE (rlp_data_ind);
197 }
198 else
199 {
200 dn_store_status(flow_gen);
201 dn_store_prim(rlp_data_ind, r_index);
202 }
203 sig_dn_mgt_break_ind(sa, sb, ddn->MrgFlow);
204 ddn->LastState = sa << SO_SA_BIT | sb << SO_SB_BIT;
205 }
206 dn_cond_req_data();
207 break;
208 }
209 }
210