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comparison src/g23m-gprs/llc/llc_uirxp.c @ 183:219afcfc6250

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src/g23m-gprs: initial import from TCS3.2/LoCosto
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 13 Oct 2016 04:24:13 +0000
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182:f02d0a0e1849 183:219afcfc6250
1 /*
2 +-----------------------------------------------------------------------------
3 | Project :
4 | Modul :
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 is part of the entity LLC and implements all
18 | functions to handles the incoming primitives as described in
19 | the SDL-documentation (UIRX-statemachine)
20 +-----------------------------------------------------------------------------
21 */
22
23 #ifndef LLC_UIRXP_C
24 #define LLC_UIRXP_C
25 #endif
26
27 #define ENTITY_LLC
28
29 /*==== INCLUDES =============================================================*/
30
31 #include "typedefs.h" /* to get Condat data types */
32 #include "vsi.h" /* to get a lot of macros */
33 #include "macdef.h"
34 #include "gprs.h"
35 #include "gsm.h" /* to get a lot of macros */
36 #include "cnf_llc.h" /* to get cnf-definitions */
37 #include "mon_llc.h" /* to get mon-definitions */
38 #include "prim.h" /* to get the definitions of used SAP and directions */
39 #include "llc.h" /* to get the global entity definitions */
40
41 #include "llc_uirxf.h" /* to get queue management prototypes */
42 /*==== CONST ================================================================*/
43
44 /*==== LOCAL VARS ===========================================================*/
45
46 /*==== PRIVATE FUNCTIONS ====================================================*/
47
48 /*==== PUBLIC FUNCTIONS =====================================================*/
49
50
51
52 /*
53 +------------------------------------------------------------------------------
54 | Function : uirx_ll_getunitdata_req
55 +------------------------------------------------------------------------------
56 | Description : Handles the primitive LL_GETUNITDATA_REQ
57 |
58 | Parameters : *ll_getunitdata_req - Ptr to primitive payload
59 |
60 +------------------------------------------------------------------------------
61 */
62 GLOBAL void uirx_ll_getunitdata_req ( T_LL_GETUNITDATA_REQ *ll_getunitdata_req )
63 {
64 T_LL_UNITDATA_IND *ll_unitdata_ind;
65
66 TRACE_FUNCTION( "ll_getunitdata_req" );
67
68 SWITCH_LLC (ll_getunitdata_req->sapi);
69
70 TRACE_1_PARA("s:%d", ll_getunitdata_req->sapi );
71
72 switch (GET_STATE(UIRX))
73 {
74 case UIRX_TLLI_UNASSIGNED_NOT_READY:
75 PFREE (ll_getunitdata_req);
76 SET_STATE (UIRX, UIRX_TLLI_UNASSIGNED_READY);
77 break;
78
79 case UIRX_ADM_NOT_READY:
80 PFREE (ll_getunitdata_req);
81
82 /*
83 * First check, if already a frame is waiting.
84 */
85 if (uirx_queue_retrieve (&ll_unitdata_ind))
86 {
87 /*
88 * A frame is waiting. Send primitive LL-UNITDATA-IND
89 * to either SNDCP or GSMS, depending on the SAPI (GMM
90 * uses now flow control!).
91 */
92 switch (ll_unitdata_ind->sapi)
93 {
94 case LL_SAPI_3:
95 case LL_SAPI_5:
96 case LL_SAPI_9:
97 case LL_SAPI_11:
98 TRACE_3_OUT_PARA("s:%d len:%d c:%d", ll_unitdata_ind->sapi,
99 BYTELEN(ll_unitdata_ind->sdu.l_buf),
100 ll_unitdata_ind->cipher);
101 PSEND (hCommSNDCP, ll_unitdata_ind);
102 break;
103
104 case LL_SAPI_7:
105 #ifdef LL_2to1
106 TRACE_PRIM_TO("MM");
107 TRACE_3_OUT_PARA("s:%d len:%d c:%d", ll_unitdata_ind->sapi,
108 BYTELEN(ll_unitdata_ind->sdu.l_buf),
109 ll_unitdata_ind->cipher);
110 PSEND (hCommMM, ll_unitdata_ind);
111 break;
112 #else
113 TRACE_PRIM_TO("GSMS");
114 TRACE_3_OUT_PARA("s:%d len:%d c:%d", ll_unitdata_ind->sapi,
115 BYTELEN(ll_unitdata_ind->sdu.l_buf),
116 ll_unitdata_ind->cipher);
117 PSEND (hCommGSMS, ll_unitdata_ind);
118 break;
119 #endif
120
121 default:
122 PFREE (ll_unitdata_ind);
123 TRACE_ERROR ("Invalid SAPI value");
124 break;
125 }
126 }
127 else
128 {
129 /*
130 * No frame is waiting. Allow straight forwarding
131 * of the next received frame.
132 */
133 SET_STATE (UIRX, UIRX_ADM_READY);
134 }
135 break;
136
137 default:
138 PFREE (ll_getunitdata_req);
139 TRACE_ERROR( "LL_GETUNITDATA_REQ unexpected" );
140 break;
141 }
142
143 } /* uirx_ll_getunitdata_req() */