FreeCalypso > hg > fc-tourmaline
annotate src/g23m-gsm/dl/dl_state.c @ 92:c0052fe355d3
src/ui/bmi/*.[ch]: rm trailing white space
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 08 Nov 2020 06:39:16 +0000 |
parents | fa8dc04885d8 |
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rev | line source |
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1
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : GSM-PS |
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4 | Modul : DL_STATE |
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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 defines the state machine of the component DL |
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18 | (replaces the old channel dependent implementation) |
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19 +----------------------------------------------------------------------------- |
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20 */ |
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21 |
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22 #ifndef DL_STATE_C |
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23 #define DL_STATE_C |
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24 |
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25 #define ENTITY_DL |
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26 #define NEW_REJ_ACK /* Acknowledgement by valid reject frame |
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27 * in accordance with 3GPP 04.06, 5.5.3.1 |
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28 * "On receipt of a valid I frame or supervisory frame" |
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29 */ |
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30 |
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31 /*==== INCLUDES ===================================================*/ |
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32 |
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33 #include "typedefs.h" |
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34 #include <string.h> |
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35 #include "vsi.h" |
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36 #include "pconst.cdg" |
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37 #include "custom.h" |
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38 #include "gsm.h" |
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39 #include "mon_dl.h" |
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40 #include "prim.h" |
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41 #include "pei.h" |
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42 #include "tok.h" |
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43 #include "ccdapi.h" |
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44 #include "dl.h" |
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45 #include "dl_em.h" |
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46 #include "dl_trc.h" |
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47 |
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48 /*==== TYPEDEFS ===================================================*/ |
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49 typedef struct |
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50 { |
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51 UBYTE channel; |
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52 UBYTE sapi; |
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53 UBYTE state; |
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54 UBYTE T200_Stop; |
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55 UBYTE T200_Start; |
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56 UBYTE pf_bit_flag; |
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57 UBYTE dl_data_ind; |
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58 UBYTE mdl_error_ind; |
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59 T_CCH* pcch; |
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60 } T_CCH_INTERN; |
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61 #define T_CCH_INTERN_INIT {0,0,0,0,0,0,0} |
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62 |
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63 /*==== EXPORT =====================================================*/ |
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64 /*==== PRIVAT =====================================================*/ |
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65 static int frame_validation (UBYTE channel_type, UBYTE* frame); |
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66 |
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67 static int downlink_idle (T_CCH_INTERN* pcch_i, UBYTE *frame); |
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68 static int downlink_contention_resolution (T_CCH_INTERN* pcch_i, UBYTE *frame); |
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69 static int downlink_mfe (T_CCH_INTERN* pcch_i, UBYTE *frame); |
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70 static int downlink_timer_recovery (T_CCH_INTERN* pcch_i, UBYTE *frame); |
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71 static int downlink_awaiting_release (T_CCH_INTERN* pcch_i, UBYTE *frame); |
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72 |
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73 static void downlink_mfe_information (T_CCH_INTERN* pcch_i, UBYTE *frame); |
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74 static void downlink_mfe_supervisory (T_CCH_INTERN* pcch_i, UBYTE *frame); |
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75 static void downlink_mfe_sabm (T_CCH_INTERN* pcch_i, UBYTE *frame); |
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76 static void downlink_mfe_dm (T_CCH_INTERN* pcch_i, UBYTE *frame); |
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77 static void downlink_mfe_tr_unnumbered (T_CCH_INTERN* pcch_i, UBYTE *frame, UBYTE state); |
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78 static void downlink_i_frame (T_CCH_INTERN* pcch_i, UBYTE *frame); |
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79 static void downlink_tr_supervisory (T_CCH_INTERN* pcch_i, UBYTE *frame); |
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80 static void downlink_tr_information (T_CCH_INTERN* pcch_i, UBYTE *frame); |
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81 |
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82 static void invoke_retransmission (T_CCH_INTERN* pcch_i, UBYTE frame_nr); |
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83 static void enquiry_response (T_CCH_INTERN* pcch_i, UBYTE *frame); |
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84 static void mdl_error_ind (UBYTE cause, UBYTE channel_type, UBYTE sapi); |
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85 static void nr_error_recovery (T_CCH_INTERN* pcch_i, UBYTE *frame); |
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86 static void concatenate (UBYTE ch_type, UBYTE sapi, UBYTE *frame); |
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87 static void free_sending_buffer (UBYTE ch_type, UBYTE sapi); |
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88 |
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89 static void repeat_sabm (UBYTE channel, UBYTE sapi); |
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90 static void delayed_release_ind(UBYTE channel); |
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91 |
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92 static int uplink_idle (UBYTE channel, UBYTE sapi); |
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93 static int uplink_awaiting_establishment (UBYTE channel, UBYTE sapi, UBYTE no_signalling_mode); |
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94 static int uplink_mfe (UBYTE channel, UBYTE sapi, UBYTE no_signalling_mode); |
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95 static int uplink_timer_recovery (UBYTE channel, UBYTE sapi, UBYTE no_signalling_mode); |
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96 |
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97 static void T200_expiry (UBYTE channel, UBYTE sapi); |
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98 |
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99 /*==== VARIABLES ==================================================*/ |
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100 |
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101 /*Removed the const from the definition,rework for issue 25370*/ |
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102 static UBYTE l2_empty_frame [25] = { |
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103 0x00, 0x00, /* the first two dummy bytes only for SACCH L1 header! */ |
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104 /* here begins the normal empty frame (SDCCH, FACCH) */ |
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105 0x01, /* address field: SAPI 0 */ |
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106 0x03, /* control field: UI frame */ |
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107 0x01, /* length field: length = 0 */ |
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108 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, |
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109 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, |
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110 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, |
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111 0x2b, 0x2b, 0x2b, 0x2b, 0x2b }; |
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diff
changeset
|
112 #if 0 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
113 static UBYTE l2_invalid_frame [25] = { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
114 0x00, 0x00, /* the first two dummy bytes only for SACCH L1 header! */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
115 /* here begins the normal empty frame (SDCCH, FACCH) */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
116 0x1D, /* address field: SAPI 7 (unallocated SAPI; no action shall be taken on such frames) */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
117 0x03, /* control field: UI frame */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
118 0x01, /* length field: length = 0 */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
119 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
120 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
121 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
122 0x2b, 0x2b, 0x2b, 0x2b, 0x2b }; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
123 static UBYTE l2_invalid_frame_0 [25] = { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
124 0x00, 0x00, /* the first two dummy bytes only for SACCH L1 header! */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
125 /* here begins the normal empty frame (SDCCH, FACCH) */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
126 0x00, /* address field: SAPI 0 */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
127 0x00, /* control field: UI frame */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
128 0x00, /* length field: length = 0 */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
129 0x00, 0x00, 0x00, 0x00, 0x00, |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
130 0x00, 0x00, 0x00, 0x00, 0x00, |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
131 0x00, 0x00, 0x00, 0x00, 0x00, |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
132 0x00, 0x00, 0x00, 0x00, 0x00 }; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
133 #endif /* 0|1 */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
134 static T_CCH_INTERN cch_i; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
135 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
136 #if defined(CHECK_PCCHI) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
137 #define CHECK_PCCH_I() if (check_pcch_i(pcch_i, __LINE__)()return; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
138 #define CHECK_PCCH_Ir() if (check_pcch_i(pcch_i, __LINE__)()return -1; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
139 #else |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
140 #define CHECK_PCCH_I() |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
|
141 #define CHECK_PCCH_Ir() |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
|
142 #endif /* CHECK_PCCHI */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
143 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
144 /*==== FUNCTIONS ==================================================*/ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
145 int dl_downlink (UBYTE error_flag, UBYTE channel_type, UBYTE* frame, ULONG fn) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
146 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
147 UBYTE channel_state = STATE_INVALID; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
148 UBYTE channel = NOT_PRESENT_8BIT; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
149 UBYTE frame_sapi = PS_SAPI_0; /* to calm lint, will be new set for valid frames */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
150 static UBYTE invalid = 0; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
151 int ret = -2; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
152 int cause; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
153 int l2_offset; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
154 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
155 GET_INSTANCE_DATA; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
156 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
157 TRACE_EVENT_WIN_P1 ("downlink(): dcch0_ch_type:%s", |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
158 CH_TYPE_NAME[dl_data->dcch0_ch_type]); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
159 TRACE_EVENT_WIN_P6 ("DL: DCCH0=%s,%s vr=%u vs=%u va=%u T200=%u", |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
160 CH_TYPE_NAME[dl_data->cch[C_DCCH0].ch_type], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
161 STATE_DCCH0_NAME[dl_data->state[C_DCCH0]], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
162 dl_data->cch[C_DCCH0].vr, dl_data->cch[C_DCCH0].vs, dl_data->cch[C_DCCH0].va, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
163 dl_data->cch[C_DCCH0].T200_counter); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
164 TRACE_EVENT_WIN_P6 ("DL: DCCH3=%s,%s vr=%u vs=%u va=%u T200=%u", |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
165 CH_TYPE_NAME[dl_data->cch[C_DCCH3].ch_type], |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
166 STATE_DCCH3_NAME[dl_data->state[C_DCCH3]], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
167 dl_data->cch[C_DCCH3].vr, dl_data->cch[C_DCCH3].vs, dl_data->cch[C_DCCH3].va, |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
168 dl_data->cch[C_DCCH3].T200_counter); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
169 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
170 if (channel_type EQ L2_CHANNEL_SACCH) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
171 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
172 l2_offset = 2; /* with layer 1 header */ |
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 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
175 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
176 l2_offset = 0; /* without layer 1 header */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
177 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
178 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
179 #define RR_SHORT_PD_HANDLING |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
180 #if defined(RR_SHORT_PD_HANDLING) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
181 /* Handling of unacknowledged UI frames with format type Bter */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
182 #if defined(RR_SHORT_PD_DETECT_KNOWN_MSG_ONLY) /* detection of known messages only */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
183 cause = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
184 switch (frame[l2_offset]) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
185 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
186 case RR_SHORT_PD_SI10: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
187 case RR_SHORT_PD_MEAS_INFO: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
188 if (channel_type EQ L2_CHANNEL_SACCH) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
189 cause = 1; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
190 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
191 case RR_SHORT_PD_NOTI_FACCH: |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
192 if ((channel_type EQ L2_CHANNEL_FACCH_F) OR |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
193 (channel_type EQ L2_CHANNEL_FACCH_H)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
194 cause = 1; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
195 break; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
196 case RR_SHORT_PD_UPLINK_FREE: |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
197 cause = 1; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
198 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
199 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
200 break; |
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 if (cause) |
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 drr_dl_short_unitdata_ind (channel_type, error_flag, frame, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
205 &frame[l2_offset], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
206 (channel_type EQ L2_CHANNEL_SACCH) ? DL_N201_SACCH_Bter : DL_N201_DCCH_Bter, fn); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
207 return 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
208 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
209 #else /* detection of all possible messages with short L2 header and format Bter */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
210 TRACE_EVENT_WIN_P4 ("detection of format Bter: %02x&%02x=%02x ?= %02x", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
211 frame[l2_offset], BTER_FORMAT_MASK, GET_BTER_FORMAT (&frame[l2_offset]), SHORT_L2_HEADER_TYPE_1); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
212 if ((GET_BTER_FORMAT (&frame[l2_offset]) EQ SHORT_L2_HEADER_TYPE_1)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
213 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
214 drr_dl_short_unitdata_ind (channel_type, error_flag, frame, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
215 &frame[l2_offset], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
216 (UBYTE)((channel_type EQ L2_CHANNEL_SACCH) ? DL_N201_SACCH_Bter : DL_N201_DCCH_Bter), fn); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
217 return 0; |
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 #endif /* kind of Bter detection */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
220 #endif /* RR_SHORT_PD_HANDLING */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
221 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
222 /* check frame */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
223 |
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parents:
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|
224 if (error_flag EQ VALID_BLOCK) |
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parents:
diff
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|
225 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
226 frame_sapi = GET_SAPI (frame+l2_offset); |
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parents:
diff
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|
227 if ((frame_sapi NEQ PS_SAPI_0) AND (frame_sapi NEQ PS_SAPI_3)) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
228 { |
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parents:
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|
229 TRACE_EVENT_WIN_P1 ("downlink() returns -1 (wrong SAPI=%u)", frame_sapi); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
230 return -1; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
231 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
232 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
233 cause = frame_validation (channel_type, frame+l2_offset); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
234 if (cause >= 0) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
235 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
236 TRACE_FUNCTION ("frame validation failed!"); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
237 if (invalid EQ 0) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
238 { |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
239 TRACE_ERROR ("invalid frame"); |
fa8dc04885d8
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parents:
diff
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|
240 invalid = 1; /* only one message per succession */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
241 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
242 mdl_error_ind ((UBYTE)cause, channel_type, frame_sapi); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
243 return 0;/* ETSI GSM 04.06 Annex G.2 - G.4 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
244 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
245 else |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
246 invalid = 0; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
247 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
248 #if defined(DL_2TO1) || defined(_SIMULATION_) |
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parents:
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|
249 /* Handling of unacknowledged UI frames on SACCH with SAPI=0 (not format type Bter) */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
250 if ((channel_type EQ L2_CHANNEL_SACCH) AND |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
251 (frame_sapi EQ PS_SAPI_0) AND |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
252 (GET_FORMAT_TYPE(frame+l2_offset) EQ U_FORMAT) AND |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
253 (GET_U_TYPE(frame+l2_offset) EQ UI_FRAME) ) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
254 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
255 drr_dl_unitdata_ind (error_flag, frame, frame+l2_offset+3, |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
256 (UBYTE)(GET_LENGTH_INDICATOR (frame+l2_offset)), fn); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
257 return 0; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
258 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
259 #endif /* DL_2TO1 || _SIMULATION_ */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
260 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
261 #if defined(DL_2TO1) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
262 else if (channel_type EQ L2_CHANNEL_SACCH) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
263 { /* |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
264 * Indicate invalid SACCH frame for decrement of radio link timeout counter. |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
265 * The invalid frame possible contains invalid headers, use length 0. |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
266 */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
267 drr_dl_unitdata_ind (error_flag, frame, frame+l2_offset+3, 0, fn); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
268 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
269 #endif /* DL_2TO1 */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
270 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
271 if (error_flag NEQ VALID_BLOCK) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
272 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
273 TRACE_EVENT_WIN ("invalid frame->stop download handling"); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
274 return 0; /* no further handling */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
275 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
276 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
277 memset (&cch_i, 0, sizeof (T_CCH_INTERN)); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
278 switch (channel_type) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
279 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
280 case L2_CHANNEL_SDCCH: |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
281 if (frame_sapi EQ PS_SAPI_3) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
282 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
283 channel = C_DCCH3; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
284 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
285 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
286 /*lint -fallthrough*/ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
287 case L2_CHANNEL_FACCH_F: |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
288 case L2_CHANNEL_FACCH_H: |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
289 if (frame_sapi EQ PS_SAPI_0) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
290 channel = C_DCCH0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
291 break; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
292 case L2_CHANNEL_SACCH: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
293 if (frame_sapi EQ PS_SAPI_3) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
294 { /* SACCH with SAPI=3 only supported with associated TCH (FACCH) */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
295 if ((dl_data->cch[C_DCCH0].ch_type EQ L2_CHANNEL_FACCH_H) OR |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
296 (dl_data->cch[C_DCCH0].ch_type EQ L2_CHANNEL_FACCH_F)) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
297 channel = C_DCCH3; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
298 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
299 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
300 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
301 TRACE_EVENT_WIN ("No handling of SACCH with SAPI=0 here!"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
302 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
303 * The SACCH with SAPI=0 is handled some lines before for DL_2TO1 and |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
304 * simulation. Handling of frames other than UI frames is not supported. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
305 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
306 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
307 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
308 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
309 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
310 }/* endswitch channel_type */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
311 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
312 if (channel EQ NOT_PRESENT_8BIT) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
313 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
314 TRACE_EVENT_WIN ("downlink() returns -3"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
315 return -3; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
316 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
317 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
318 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
319 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
320 #if defined(DELAYED_SABM) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
321 /* ignore downlinked frames before delayed SABM was sent */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
322 if ((channel EQ C_DCCH0) AND |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
323 (dl_data->dcch0_sabm_flag NEQ NOT_PRESENT_8BIT)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
324 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
325 DL_OFFLINE_TRACE (TRACE_DL_EVENT, channel, channel_type, "DL:pend.SABM->ignore"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
326 return 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
327 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
328 #endif /* DELAYED_SABM */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
329 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
330 cch_i.channel = channel; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
331 cch_i.sapi = frame_sapi; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
332 #if defined(_SIMULATION_) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
333 if (channel_type EQ L2_CHANNEL_SACCH) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
334 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
335 TRACE_EVENT_WIN_P1 ("SACCH: set SAPI=%u set during downlink", frame_sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
336 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
337 #endif /* _SIMULATION_ */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
338 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
339 cch_i.state = channel_state = dl_data->state[channel]; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
340 cch_i.pcch = &dl_data->cch[channel]; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
341 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
342 * The channel type pcch->ch_type is overwritten as input to the downlink |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
343 * sub functions. In case of DCCH0 this is temporary only and the channel |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
344 * type have to be re-assigned with the value of dl_data->dcch0_ch_type. |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
345 */ |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
346 cch_i.pcch->ch_type = channel_type; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
347 if (cch_i.pcch->vtx NEQ EMPTY_CMD) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
348 { /* save bit for the case of unsolicited frames */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
349 cch_i.pf_bit_flag = cch_i.pcch->f_bit; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
350 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
351 TRACE_EVENT_WIN_P4 ("downlink() in:%s SAPI=%u st=%u vtx=%s", |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
352 CH_TYPE_NAME[channel_type], frame_sapi, channel_state, |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
353 VTX_NAME[cch_i.pcch->vtx]); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
354 TRACE_EVENT_WIN_P9 ("vr=%u vs=%u va=%u rc=%u contres=%u reje=%u ackp=%u %c=%u", |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
355 cch_i.pcch->vr, cch_i.pcch->vs, cch_i.pcch->va, cch_i.pcch->rc, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
356 cch_i.pcch->contention_resolution, cch_i.pcch->reject_exception, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
357 cch_i.pcch->acknowledge_pending, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
358 cch_i.pcch->time_flag ? 'T' : 't', cch_i.pcch->T200_counter); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
359 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
360 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
361 switch (channel_state) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
362 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
363 case STATE_DISABLED: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
364 case STATE_IDLE_DL: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
365 ret = downlink_idle (&cch_i, frame+l2_offset); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
366 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
367 case STATE_CONTENTION_RESOLUTION: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
368 ret = downlink_contention_resolution (&cch_i, frame+l2_offset); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
369 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
370 case STATE_MULTIPLE_FRAME_ESTABLISHED: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
371 ret = downlink_mfe (&cch_i, frame+l2_offset); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
372 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
373 case STATE_TIMER_RECOVERY: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
374 ret = downlink_timer_recovery (&cch_i, frame+l2_offset); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
375 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
376 case STATE_AWAITING_RELEASE: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
377 ret = downlink_awaiting_release (&cch_i, frame+l2_offset); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
378 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
379 }/* endswitch channel_state */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
380 if (channel EQ C_DCCH0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
381 { /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
382 * Reconstruct the temporary overwritten pcch->ch_type with the value |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
383 * of dl_data->dcch0_ch_type. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
384 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
385 cch_i.pcch->ch_type = dl_data->dcch0_ch_type; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
386 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
387 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
388 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
389 TRACE_EVENT_WIN_P5 ("%s SAPI=%u vtx=%s (%s#%u)", CH_TYPE_NAME[cch_i.pcch->ch_type], cch_i.sapi, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
390 VTX_NAME[cch_i.pcch->vtx], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
391 __FILE10__, __LINE__); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
392 if (ret NEQ 0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
393 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
394 TRACE_EVENT_WIN_P1 ("downlink() returns %d", ret); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
395 return ret; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
396 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
397 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
398 /* transfer states and flags to dl_data */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
399 dl_data->cch[channel].f_bit_flag = dl_data->cch[channel].f_bit = cch_i.pf_bit_flag; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
400 if (cch_i.T200_Start) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
401 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
402 dl_data->cch[channel].T200_counter = T200_STOPPED; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
403 dl_data->cch[channel].time_flag = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
404 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
405 else if (cch_i.T200_Stop) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
406 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
407 dl_data->cch[channel].T200_counter = T200_STOPPED; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
408 dl_data->cch[channel].time_flag = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
409 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
410 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
411 if (cch_i.dl_data_ind) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
412 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
413 com_data_ind(channel_type, frame_sapi, fn); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
414 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
415 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
416 if (channel_state NEQ cch_i.state) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
417 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
418 set_channel_state ( |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
419 (UBYTE)((frame_sapi EQ PS_SAPI_0) ? C_DCCH0 : C_DCCH3), cch_i.state); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
420 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
421 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
422 if (cch_i.mdl_error_ind) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
423 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
424 mdl_error_ind ( cch_i.mdl_error_ind, channel_type, frame_sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
425 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
426 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
427 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
428 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
429 TRACE_EVENT_WIN_P4 ("downlink() out:%s SAPI=%u st=%u vtx=%s", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
430 CH_TYPE_NAME[channel_type], cch_i.sapi, cch_i.state, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
431 VTX_NAME[cch_i.pcch->vtx]); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
432 TRACE_EVENT_WIN_P9 ("vr=%u vs=%u va=%u rc=%u contres=%u reje=%u ackp=%u %c=%u", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
433 cch_i.pcch->vr, cch_i.pcch->vs, cch_i.pcch->va, cch_i.pcch->rc, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
434 cch_i.pcch->contention_resolution, cch_i.pcch->reject_exception, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
435 cch_i.pcch->acknowledge_pending, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
436 cch_i.pcch->time_flag ? 'T' : 't', cch_i.pcch->T200_counter); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
437 TRACE_EVENT_WIN_P4 ("T200=%s %s %s %s", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
438 cch_i.T200_Start ? "Start" : cch_i.T200_Stop ? "Stop" : "...", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
439 cch_i.pf_bit_flag ? "P/F" : "", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
440 cch_i.dl_data_ind ? "DATA_IND" : "", cch_i.mdl_error_ind ? "ERROR_IND" : ""); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
441 TRACE_EVENT_WIN_P1 ("downlink() returns %d", ret); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
442 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
443 return ret; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
444 }/* endfunc downlink */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
445 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
446 LOCAL int frame_validation (UBYTE channel_type, UBYTE* frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
447 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
448 UBYTE frame_length; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
449 BOOL frame_m_bit; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
450 UBYTE N201; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
451 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
452 if (!GET_EA (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
453 return FRAME_NOT_IMPLEMENTED; /* ETSI GSM 04.06 Annex G.2.3 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
454 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
455 if (!GET_EL (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
456 return FRAME_NOT_IMPLEMENTED; /* ETSI GSM 04.06 Annex G.4.1 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
457 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
458 frame_length = GET_LENGTH_INDICATOR (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
459 frame_m_bit = GET_M_BIT (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
460 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
461 /* get the maximal number of octets */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
462 switch (channel_type) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
463 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
464 case L2_CHANNEL_SDCCH: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
465 N201 = N201_SDCCH; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
466 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
467 case L2_CHANNEL_SACCH: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
468 N201 = N201_SACCH; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
469 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
470 default:/* CH_TYPE_FACCH_FR, L2_CHANNEL_FACCH_H */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
471 N201 = N201_FACCH; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
472 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
473 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
474 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
475 switch (GET_FORMAT_TYPE (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
476 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
477 case I_FORMAT: /* I format */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
478 case I1_FORMAT: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
479 if ((frame_length > N201) OR (frame_length EQ 0)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
480 return I_FRAME_WITH_INCORRECT_LENGTH; /* ETSI GSM 04.06 Annex G.4.2 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
481 if ((frame_length < N201) AND (frame_m_bit EQ 1)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
482 return I_FRAME_WITH_INCORRECT_USE_OF_M_BIT; /* ETSI GSM 04.06 Annex G.4.2 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
483 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
484 case S_FORMAT: /* S format */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
485 if (frame_length OR frame_m_bit) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
486 return S_FRAME_WITH_INCORRECT_PARAMETERS; /* ETSI GSM 04.06 Annex G.4.3 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
487 if ((frame[1] & 0x0f) EQ 0x0d) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
488 return FRAME_NOT_IMPLEMENTED; /* ETSI GSM 04.06 Annex G.3.1 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
489 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
490 case U_FORMAT: /* U format */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
491 switch (GET_U_TYPE (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
492 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
493 case DM_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
494 case DISC_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
495 if (frame_length OR frame_m_bit) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
496 return U_FRAME_WITH_INCORRECT_PARAMETERS; /* ETSI GSM 04.06 Annex G.4.4 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
497 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
498 case UA_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
499 case SABM_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
500 case UI_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
501 if ((frame_length > N201) OR (frame_m_bit)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
502 return U_FRAME_WITH_INCORRECT_PARAMETERS; /* ETSI GSM 04.06 Annex G.4.5 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
503 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
504 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
505 return FRAME_NOT_IMPLEMENTED; /* ETSI GSM 04.06 Annex G.3.2 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
506 /*break;*/ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
507 }/* endswitch U frame_type */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
508 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
509 }/* endswitch frame_format */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
510 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
511 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
512 * ETSI GSM 04.06 Annex G.2.1, G.2.2 will be check in the following functions |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
513 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
514 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
515 return -1; /* frame is valid */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
516 }/* endfunc frame_validation */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
517 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
518 static int downlink_idle( T_CCH_INTERN* pcch_i, UBYTE *frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
519 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
520 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
521 * According to 3GPP TS 04.05, 5.4.5 Idle state: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
522 * While in the idle state: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
523 * - the receipt of a DISC command shall result in the transmission of a |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
524 * DM response with the F bit set to the value of the received P bit; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
525 * - the receipt of an I frame or supervisory frame with the P bit set to "1" |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
526 * shall result in the transmission of a DM response with the F bit set to |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
527 * "1" (as defined in subclause 5.2.2); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
528 * - the content of any received I frame shall be discarded; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
529 * - on receipt of an SABM command, the procedures defined in subclause 5.4.1 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
530 * shall be followed; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
531 * - on receipt of UI commands, the procedures defined in subclause 5.3 shall |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
532 * be followed; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
533 * - all other frame types shall be discarded. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
534 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
535 T_CCH* pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
536 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
537 CHECK_PCCH_Ir(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
538 pcch = pcch_i->pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
539 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
540 TRACE_FUNCTION ("downlink_idle()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
541 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
542 switch (GET_FORMAT_TYPE (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
543 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
544 case S_FORMAT: /* S frame */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
545 if (GET_S_TYPE (frame) NEQ RR_CMD) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
546 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
547 /*lint -fallthrough*/ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
548 case I_FORMAT: /* I frame */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
549 case I1_FORMAT: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
550 if (GET_P_BIT (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
551 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
552 pcch->vtx = DM_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
553 pcch_i->pf_bit_flag = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
554 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
555 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
556 case U_FORMAT: /* U frame */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
557 if (GET_CR (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
558 { /* command */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
559 switch (GET_U_TYPE (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
560 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
561 case SABM_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
562 if (!GET_LENGTH_INDICATOR (frame) AND pcch_i->sapi EQ PS_SAPI_3) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
563 { /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
564 * Mobile Terminated Establishment, but only for SAPI=3! |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
565 * |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
566 * According to 3GPP TS 04.06, 5.4.1 Establishment of multiple frame |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
567 * operation, 5.4.1.1 General, Note: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
568 * For SAPI 0 the data link is always established by the MS. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
569 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
570 com_restore_queue ( pcch_i->sapi, NULL); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
571 pcch->vtx = UA_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
572 pcch_i->pf_bit_flag = GET_P_BIT (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
573 pcch->va = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
574 pcch->vr = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
575 pcch->vs = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
576 pcch->rc = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
577 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
578 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
579 case DISC_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
580 pcch->vtx = DM_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
581 pcch_i->pf_bit_flag = GET_P_BIT (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
582 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
583 case UI_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
584 /* drr_dl_unitdata_ind() was called in the main downlink function */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
585 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
586 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
587 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
588 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
589 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
590 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
591 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
592 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
593 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
594 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
595 return 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
596 }/* endfunc downlink_idle */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
597 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
598 static int downlink_contention_resolution(T_CCH_INTERN* pcch_i, UBYTE *frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
599 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
600 GET_INSTANCE_DATA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
601 UBYTE frame_type; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
602 UBYTE frame_format; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
603 UBYTE frame_cr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
604 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
605 UBYTE establish_cnf = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
606 UBYTE release_ind = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
607 UBYTE release_ind_cs = NOT_PRESENT_8BIT; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
608 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
609 T_CCH* pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
610 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
611 CHECK_PCCH_Ir(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
612 pcch = pcch_i->pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
613 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
614 TRACE_FUNCTION ("downlink_contention_resolution()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
615 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
616 frame_format = GET_FORMAT_TYPE (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
617 if (frame_format EQ U_FORMAT) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
618 { /* U frame */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
619 frame_cr = GET_CR (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
620 frame_type = GET_U_TYPE (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
621 if (frame_cr) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
622 { /* command */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
623 switch (frame_type) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
624 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
625 case SABM_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
626 if (pcch_i->sapi EQ PS_SAPI_3) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
627 { /* DCCH3 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
628 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
629 * According to 3GPP TS 04.06, 5.4.6.1: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
630 * SAPI = 3, Collision of unnumbered commands and responses. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
631 * Collision situations (Identical transmitted and received commands) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
632 * shall be resolved in the following way: If the transmitted and |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
633 * received unnumbered commands (SABM or DISC) are the same, the data |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
634 * link layer entities shall send the UA response at the earliest |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
635 * possible opportunity. The indicated state shall be entered after |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
636 * receiving the UA response. The data link layer entities shall each |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
637 * notify its respective layer 3 entity by means of the appropriate |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
638 * confirm primitive, i.e. DL-ESTABLISH-CONFIRM or DL-RELEASE-CONFIRM. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
639 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
640 if (!GET_LENGTH_INDICATOR (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
641 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
642 com_clear_queue (PS_SAPI_3); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
643 /* establish_cnf = TRUE; cnf will be sent at uplink opportunity */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
644 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
645 pcch_i->pf_bit_flag = GET_P_BIT (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
646 pcch->vtx = UA_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
647 pcch->va = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
648 pcch->vr = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
649 pcch->vs = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
650 pcch->rc = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
651 pcch_i->T200_Stop = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
652 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
653 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
654 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
655 /* no contention resolution procedure with SAPI=3! */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
656 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
657 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
658 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
659 {/* DCCH0 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
660 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
661 * According to 3GPP TS 04.06, 5.4.1.1 General: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
662 * NOTE: SAPI=0 the data link is always established by the MS! |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
663 * |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
664 * According to 3GPP TS 04.06, 5.4.1.4 Contention resolution |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
665 * establishment procedure: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
666 * All frames other than unnumbered frame formats received for the |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
667 * SAPI in use during the establishment procedures shall be ignored. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
668 * The reception of unnumbered frames other than UA is treated as |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
669 * specified for the normal establishment case. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
670 * NOTE 4: In fact, there are no foreseen cases in which the network |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
671 * will send SABM, DISC or DM, but for sake of completeness |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
672 * these occurrences are specified and must be treated. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
673 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
674 establish_cnf = TRUE;/* Treated as normal establishment case */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
675 pcch_i->pf_bit_flag = GET_P_BIT (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
676 pcch->vtx = UA_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
677 pcch->va = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
678 pcch->vr = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
679 pcch->vs = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
680 pcch->rc = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
681 pcch_i->T200_Stop = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
682 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
683 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
684 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
685 case DISC_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
686 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
687 release_ind = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
688 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
689 pcch_i->pf_bit_flag = GET_P_BIT (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
690 pcch->vtx = DM_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
691 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
692 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
693 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
694 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
695 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
696 }/* endswitch command frame_type */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
697 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
698 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
699 { /* response */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
700 switch (frame_type) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
701 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
702 case DM_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
703 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
704 * PATCH LE 14.09.99 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
705 * Ignore DM(F=0) frames |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
706 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
707 if (GET_P_BIT (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
708 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
709 release_ind = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
710 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
711 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
712 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
713 case UA_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
714 if (pcch_i->sapi EQ PS_SAPI_0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
715 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
716 if (pcch->contention_resolution) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
717 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
718 if (com_compare_L3_msg (dl_data->dcch0_queue.switch_buffer, frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
719 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
720 establish_cnf = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
721 COM_FREE_QUEUE_BUFFER(&dl_data->dcch0_queue, INDEX_SWITCH_BUFFER); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
722 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
723 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
724 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
725 release_ind = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
726 release_ind_cs = CAUSE_DL_INFO_FIELD_MISMATCH; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
727 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
728 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
729 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
730 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
731 if (!GET_LENGTH_INDICATOR (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
732 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
733 establish_cnf = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
734 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
735 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
736 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
737 release_ind = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
738 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
739 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
740 }/* endif PS_SAPI_0 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
741 else if (pcch_i->sapi EQ PS_SAPI_3) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
742 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
743 if (!GET_LENGTH_INDICATOR (frame) OR (pcch->ch_type EQ L2_CHANNEL_SACCH)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
744 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
745 establish_cnf = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
746 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
747 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
748 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
749 release_ind = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
750 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
751 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
752 }/* endif PS_SAPI_3 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
753 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
754 if (establish_cnf AND (pcch_i->sapi EQ PS_SAPI_0)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
755 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
756 dcch3_enable(pcch->ch_type); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
757 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
758 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
759 break;/* endbreak UA_FRAME */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
760 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
761 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
762 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
763 }/* endswitch response frame_type */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
764 }/* endifelse command/response */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
765 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
766 if (establish_cnf) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
767 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
768 drr_dl_establish_cnf (pcch->ch_type, pcch_i->sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
769 pcch->va = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
770 pcch->vr = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
771 pcch->vs = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
772 pcch_i->T200_Stop = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
773 pcch_i->state = STATE_MULTIPLE_FRAME_ESTABLISHED; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
774 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
775 else if (release_ind) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
776 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
777 if (pcch_i->sapi EQ PS_SAPI_0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
778 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
779 if (pcch->contention_resolution) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
780 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
781 pcch->contention_resolution = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
782 COM_FREE_QUEUE_BUFFER(&dl_data->dcch0_queue, INDEX_SWITCH_BUFFER); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
783 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
784 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
785 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
786 drr_dl_release_ind (pcch->ch_type, pcch_i->sapi, release_ind_cs, FALSE); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
787 pcch_i->T200_Stop = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
788 pcch_i->state = STATE_IDLE_DL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
789 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
790 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
791 }/* endif frame_format == 3 (only unnumbered frames) */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
792 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
793 return 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
794 }/* endfunc downlink_contention_resolution */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
795 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
796 static int downlink_mfe(T_CCH_INTERN* pcch_i, UBYTE *frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
797 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
798 TRACE_EVENT_WIN ("downlink_mfe()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
799 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
800 switch (GET_FORMAT_TYPE (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
801 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
802 case I_FORMAT:/* I frame */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
803 case I1_FORMAT: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
804 downlink_mfe_information (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
805 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
806 case S_FORMAT: /* S frame */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
807 downlink_mfe_supervisory (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
808 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
809 case U_FORMAT: /* U frame */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
810 downlink_mfe_tr_unnumbered (pcch_i, frame, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
811 STATE_MULTIPLE_FRAME_ESTABLISHED); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
812 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
813 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
814 TRACE_EVENT_WIN ("invalid/unknown frame"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
815 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
816 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
817 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
818 return 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
819 }/* endfunc downlink_mfe */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
820 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
821 static void downlink_mfe_supervisory (T_CCH_INTERN* pcch_i, UBYTE *frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
822 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
823 UBYTE frame_cr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
824 UBYTE frame_pollbit; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
825 UBYTE frame_nr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
826 UBYTE frame_type; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
827 T_CCH* pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
828 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
829 CHECK_PCCH_I(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
830 pcch = pcch_i->pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
831 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
832 TRACE_EVENT_WIN ("downlink_mfe_supervisory()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
833 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
834 frame_type = GET_S_TYPE (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
835 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
836 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
837 * Ignore RNR frame without notification |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
838 * (ETSI GSM 04.06, section 6. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
839 * "Special protocol operation on SAPI=0 and SAPI=3", page 53) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
840 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
841 if (frame_type EQ RNR_FRAME) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
842 return; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
843 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
844 frame_cr = GET_CR (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
845 frame_pollbit = GET_P_BIT (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
846 frame_nr = GET_RECEIVE_NUMBER (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
847 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
848 /* in accordance with CCITT Q.921 figure B.7 (sheet 5 to 7 of 10) */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
849 if (frame_pollbit) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
850 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
851 if (frame_cr) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
852 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
853 enquiry_response (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
854 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
855 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
856 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
857 mdl_error_ind (UNSOLICITED_SUPERVISORY_RESPONSE, pcch->ch_type, pcch_i->sapi);/* 3GPP TS 04.06, 5.4.2.2 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
858 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
859 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
860 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
861 if (com_check_nr (pcch->va, pcch->vs, frame_nr)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
862 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
863 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
864 * N(R) check is successfull |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
865 * in accordance with CCITT Q.921 figure B.7 (sheet 6 and 7 of 10) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
866 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
867 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
868 switch (frame_type) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
869 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
870 case RR_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
871 if (frame_nr EQ pcch->vs) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
872 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
873 /* T200 handling under ETSI GSM 04.06 section 5.5.3.1 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
874 if (((8 + frame_nr - pcch->va ) & 7) > 0 /*frame_nr > pcch->va*/) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
875 pcch_i->T200_Stop = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
876 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
877 pcch->va = frame_nr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
878 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
879 free_sending_buffer (pcch->ch_type, pcch_i->sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
880 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
881 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
882 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
883 if (frame_nr NEQ pcch->va) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
884 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
885 pcch->va = frame_nr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
886 pcch_i->T200_Start = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
887 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
888 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
889 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
890 case REJ_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
891 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
892 * in accordance with ETSI GSM 04.06; chapter 5.5.4.1 i) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
893 * |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
894 * clear existing peer receiver busy condition (not applicable in GSM) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
895 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
896 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
897 /* reset timer T200 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
898 pcch_i->T200_Stop = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
899 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
900 * If REJ command with P bit set to 1, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
901 * transmit an appropiate supervisory response frame with F bit set to 1 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
902 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
903 if (frame_pollbit AND frame_cr) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
904 enquiry_response (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
905 /* transmit the corresponding I frame asap */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
906 invoke_retransmission (pcch_i, frame_nr); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
907 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
908 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
909 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
910 * set its send state variable V(S) and its acknowledge state |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
911 * variable V(A) to the value of the N(R) contained in the REJ frame |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
912 * control field |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
913 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
914 pcch->vs = pcch->va = frame_nr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
915 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
916 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
917 * if it was an REJ response frame with the F bit set to 1, notify |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
918 * a protocol violation to layer 3 (cause=unsolicited supervisory frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
919 * |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
920 * fulfilled at the beginning of this function! |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
921 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
922 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
923 case RNR_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
924 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
925 * Ignore frame without notification |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
926 * (ETSI GSM 04.06, section 6. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
927 * "Special protocol operation on SAPI=0 and SAPI=3", page 53) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
928 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
929 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
930 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
931 TRACE_EVENT_WIN ("invalid S frame"); /* GSM 04.06 Annex G.3.1 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
932 mdl_error_ind (FRAME_NOT_IMPLEMENTED, pcch->ch_type, pcch_i->sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
933 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
934 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
935 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
936 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
937 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
938 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
939 nr_error_recovery (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
940 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
941 }/* endfunc downlink_mfe_supervisory */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
942 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
943 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
944 static void downlink_mfe_sabm (T_CCH_INTERN* pcch_i, UBYTE *frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
945 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
946 TRACE_EVENT_WIN ("downlink_mfe_sabm()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
947 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
948 if (!GET_LENGTH_INDICATOR (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
949 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
950 T_CCH* pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
951 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
952 CHECK_PCCH_I(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
953 pcch = pcch_i->pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
954 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
955 if (pcch_i->sapi EQ PS_SAPI_0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
956 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
957 /* SACCH0: only unacknowledge mode available -> ignore SABM */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
958 if (pcch->ch_type EQ L2_CHANNEL_SACCH) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
959 return; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
960 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
961 * SDCCH0, FACCH: can not be a normal establishment procedure |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
962 * because for SAPI=0 the data link is always established by the MS. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
963 * Therefore only the V state variables and any exception states |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
964 * will be reseted. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
965 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
966 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
967 else if (pcch_i->sapi EQ PS_SAPI_3) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
968 { /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
969 * SDCCH3, SACCH: normal establishment procedure, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
970 * might be a re-establishment according to GSM 04.06, 5.4.1.2 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
971 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
972 com_clear_queue (PS_SAPI_3); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
973 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
974 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
975 /* respond with an unnumbered acknowledgement */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
976 pcch->vtx = UA_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
977 /* with the F bit set to the same value as the P bit */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
978 pcch_i->pf_bit_flag = GET_P_BIT (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
979 /* reset timer T200 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
980 pcch_i->T200_Stop = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
981 /* reset all state variables (internal sequence counter) */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
982 pcch->va = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
983 pcch->vr = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
984 pcch->vs = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
985 /* reset the retransmission counter */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
986 pcch->rc = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
987 /* clear all exception conditions */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
988 pcch->reject_exception = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
989 pcch->acknowledge_pending = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
990 /* enter the multiple-frame-established state */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
991 pcch_i->state = STATE_MULTIPLE_FRAME_ESTABLISHED; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
992 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
993 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
994 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
995 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
996 * frame_length NEQ 0 is only possible in contention resolution establishment |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
997 * initiated by mobile! |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
998 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
999 mdl_error_ind (U_FRAME_WITH_INCORRECT_PARAMETERS, pcch_i->pcch->ch_type, pcch_i->sapi);/* according to GSM 04.06, 5.4.2.1 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1000 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1001 }/* endfunc mfe_sabm */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1002 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1003 static void downlink_mfe_dm (T_CCH_INTERN* pcch_i, UBYTE *frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1004 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1005 T_CCH* pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1006 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1007 CHECK_PCCH_I(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1008 pcch = pcch_i->pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1009 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1010 if (!GET_P_BIT (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1011 { /* release after unsolicited DM response during connection */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1012 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1013 /* New! Called now by mdl_error_ind() from caller of this function |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1014 * drr_dl_release_ind (dl_data, pcch->ch_type, pcch_i->sapi, NOT_PRESENT_8BIT); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1015 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1016 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1017 if ((pcch->ch_type EQ L2_CHANNEL_SDCCH) AND (pcch_i->sapi EQ PS_SAPI_3)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1018 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1019 pcch_i->T200_Stop = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1020 com_clear_queue (PS_SAPI_3); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1021 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1022 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1023 }/* endfunc mfe_dm */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1024 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1025 static void downlink_mfe_tr_unnumbered (T_CCH_INTERN* pcch_i, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1026 UBYTE *frame, UBYTE state) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1027 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1028 UBYTE frame_type; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1029 T_CCH* pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1030 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1031 TRACE_EVENT_WIN ("downlink_mfe_tr_unnumbered()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1032 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1033 CHECK_PCCH_I(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1034 pcch = pcch_i->pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1035 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1036 frame_type = GET_U_TYPE (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1037 if (GET_CR (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1038 { /* command */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1039 switch (frame_type) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1040 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1041 case SABM_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1042 downlink_mfe_sabm (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1043 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1044 case UI_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1045 /* drr_dl_unitdata_ind() was called in the main downlink function */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1046 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1047 case DISC_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1048 pcch->vtx = UA_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1049 pcch_i->T200_Stop = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1050 pcch_i->state = STATE_AWAITING_RELEASE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1051 #if !defined(LATE_LEAVING_DEDICATED) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1052 com_leave_dedicated (pcch->ch_type); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1053 #endif /* LATE_LEAVING_DEDICATED */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1054 if (pcch_i->sapi EQ PS_SAPI_0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1055 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1056 dcch3_enable(pcch->ch_type); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1057 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1058 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1059 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1060 /* GSM 04.06 Annex G.2.2, G.3.2 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1061 TRACE_EVENT_WIN_P1 ("invalid command U frame (%02x)", frame_type); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1062 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1063 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1064 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1065 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1066 { /* response */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1067 switch (frame_type) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1068 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1069 case DM_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1070 /* fulfill the actions required by 3GPP TS 4.06 section 5.4.2.2, table 7 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1071 if (!GET_P_BIT(frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1072 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1073 mdl_error_ind (UNSOLICITED_DM_RESPONSE_ABNORMAL_REL, pcch->ch_type, pcch_i->sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1074 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1075 else if (state EQ STATE_MULTIPLE_FRAME_ESTABLISHED) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1076 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1077 mdl_error_ind (UNSOLICITED_DM_RESPONSE, pcch->ch_type, pcch_i->sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1078 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1079 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1080 downlink_mfe_dm (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1081 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1082 case UA_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1083 mdl_error_ind (UNSOLICITED_UA_RESPONSE, pcch->ch_type, pcch_i->sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1084 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1085 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1086 /* GSM 04.06 Annex G.2.2, G.3.2 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1087 TRACE_EVENT_WIN_P1 ("invalid response U frame (%02x)", frame_type); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1088 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1089 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1090 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1091 }/* endfunc downlink_mfe_unnumbered */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1092 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1093 static void downlink_i_frame (T_CCH_INTERN* pcch_i, UBYTE *frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1094 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1095 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1096 * in accordance with CCITT Q.921 figure B.7 (sheet 8 of 10) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1097 * in accordance with CCITT Q.921 figure B.8 (sheet 7 of 9) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1098 * according to GSM 04.06 (same as CCITT Q.921!) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1099 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1100 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1101 UBYTE frame_pollbit; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1102 T_CCH* pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1103 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1104 CHECK_PCCH_I(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1105 pcch = pcch_i->pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1106 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1107 frame_pollbit = GET_P_BIT (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1108 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1109 if (GET_SEND_NUMBER (frame) EQ pcch->vr) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1110 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1111 pcch->vr++; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1112 pcch->vr &= 7; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1113 pcch->reject_exception = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1114 concatenate (pcch->ch_type, pcch_i->sapi, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1115 if (!GET_M_BIT (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1116 pcch_i->dl_data_ind = TRUE;/* send DL-DATA indication */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1117 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1118 if (frame_pollbit) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1119 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1120 pcch_i->pf_bit_flag = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1121 pcch->vtx = RR_RSP; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1122 pcch->acknowledge_pending = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1123 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1124 else if (pcch->acknowledge_pending EQ FALSE) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1125 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1126 #if defined(IFRAME_AS_RR) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1127 pcch->vtx = RR_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1128 #else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1129 pcch->vtx = RR_RSP; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1130 #endif /* IFRAME_AS_RR */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1131 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1132 }/* endif ns == vr */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1133 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1134 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1135 if (pcch->reject_exception) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1136 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1137 if (frame_pollbit) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1138 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1139 pcch_i->pf_bit_flag = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1140 /*pcch->vtx = RR_RSP; */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1141 pcch->vtx = REJ_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1142 pcch->acknowledge_pending = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1143 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1144 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1145 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1146 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1147 pcch->reject_exception = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1148 pcch_i->pf_bit_flag = frame_pollbit; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1149 pcch->vtx = REJ_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1150 pcch->acknowledge_pending = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1151 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1152 if (pcch->vtx EQ REJ_CMD) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1153 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1154 TRACE_EVENT_WIN_P1 ("->REJ_CMD pf=%u", pcch_i->pf_bit_flag); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1155 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1156 }/* endelse ns != vr */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1157 }/* endfunc downlink_i_frame */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1158 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1159 static void downlink_mfe_information ( T_CCH_INTERN* pcch_i, UBYTE *frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1160 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1161 UBYTE frame_nr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1162 T_CCH* pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1163 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1164 CHECK_PCCH_I(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1165 pcch = pcch_i->pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1166 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1167 TRACE_EVENT_WIN ("downlink_mfe_information()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1168 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1169 if (!GET_CR (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1170 { /* GSM 04.06 Annex G.2.2 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1171 TRACE_EVENT_WIN ("invalid I response (C=0)"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1172 return; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1173 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1174 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1175 frame_nr = GET_RECEIVE_NUMBER (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1176 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1177 /* in accordance with CCITT Q.921 figure B.7 (sheet 8 of 10) */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1178 downlink_i_frame (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1179 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1180 /* in accordance with CCITT Q.921 figure B.7 (sheet 9 of 10) */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1181 if (com_check_nr (pcch->va, pcch->vs, frame_nr)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1182 { /* N(R) check is successfull */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1183 if (frame_nr EQ pcch->vs) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1184 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1185 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1186 /* T200 handling under ETSI GSM 04.06 section 5.5.3.1 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1187 if (((8 + frame_nr - pcch->va ) & 7) > 0 /*frame_nr > pcch->va*/) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1188 pcch_i->T200_Stop = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1189 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1190 pcch->va = frame_nr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1191 free_sending_buffer (pcch->ch_type, pcch_i->sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1192 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1193 else if (frame_nr NEQ pcch->va) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1194 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1195 pcch->va = frame_nr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1196 pcch_i->T200_Start = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1197 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1198 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1199 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1200 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1201 nr_error_recovery (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1202 }/* endifelse com_check_nr */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1203 }/* endfunc downlink_mfe_information */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1204 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1205 static int downlink_timer_recovery(T_CCH_INTERN* pcch_i, UBYTE *frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1206 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1207 TRACE_EVENT_WIN ("downlink_timer_recovery()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1208 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1209 switch (GET_FORMAT_TYPE (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1210 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1211 case I_FORMAT: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1212 case I1_FORMAT: /* I frame */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1213 downlink_tr_information (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1214 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1215 case S_FORMAT: /* S frame */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1216 downlink_tr_supervisory (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1217 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1218 case U_FORMAT: /* U frame */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1219 downlink_mfe_tr_unnumbered (pcch_i, frame, STATE_TIMER_RECOVERY); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1220 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1221 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1222 TRACE_EVENT_WIN ("invalid/unknown frame"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1223 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1224 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1225 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1226 return 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1227 }/* endfunc downlink_tr */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1228 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1229 static void downlink_tr_supervisory (T_CCH_INTERN* pcch_i, UBYTE *frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1230 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1231 UBYTE frame_cr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1232 UBYTE frame_pollbit; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1233 UBYTE frame_nr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1234 T_CCH* pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1235 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1236 CHECK_PCCH_I(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1237 pcch = pcch_i->pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1238 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1239 TRACE_EVENT_WIN ("downlink_tr_supervisory()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1240 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1241 frame_cr = GET_CR (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1242 frame_pollbit = GET_P_BIT (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1243 frame_nr = GET_RECEIVE_NUMBER (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1244 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1245 switch (GET_S_TYPE (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1246 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1247 case RR_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1248 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1249 * in accordance with CCITT Q.921 figure B.8 (sheet 5 and 6 of 9) and |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1250 * 3GPP 04.06, 5.5.3.1 "On receipt of a valid I frame or supervisory frame" |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1251 * and 5.5.7 "Waiting acknowledgement". |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1252 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1253 if (frame_pollbit AND frame_cr) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1254 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1255 enquiry_response (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1256 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1257 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1258 if (com_check_nr (pcch->va, pcch->vs, frame_nr)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1259 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1260 /* N(R) check is successfull */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1261 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1262 TRACE_EVENT_WIN_P5 ("V(A)=%d =< N(R)=%d =< V(S)=%d check is successfull, pf=%u cr=%u", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1263 pcch->va, frame_nr, pcch->vs, frame_pollbit, frame_cr); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1264 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1265 pcch->va = frame_nr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1266 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1267 if (frame_pollbit AND !frame_cr) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1268 { /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1269 * 3GPP 04.06, 5.5.7: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1270 * The timer recovery state is only cleared if the DL receives a valid |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1271 * supervisory frame response with the F bit set to 1. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1272 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1273 pcch_i->T200_Stop = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1274 pcch_i->state = STATE_MULTIPLE_FRAME_ESTABLISHED; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1275 /* acknowledgement according to GSM 04.06, 5.5.3.1*/ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1276 free_sending_buffer (pcch->ch_type, pcch_i->sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1277 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1278 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1279 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1280 invoke_retransmission (pcch_i, frame_nr); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1281 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1282 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1283 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1284 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1285 nr_error_recovery (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1286 }/* endifelse com_check_nr */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1287 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1288 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1289 case REJ_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1290 #if defined(NEW_REJ_ACK) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1291 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1292 * in accordance with |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1293 * 3GPP 04.06, 5.5.3.1 "On receipt of a valid I frame or supervisory frame" |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1294 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1295 if (com_check_nr (pcch->va, pcch->vs, frame_nr)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1296 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1297 /* N(R) check is successfull */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1298 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1299 TRACE_EVENT_WIN_P5 ("V(A)=%d =< N(R)=%d =< V(S)=%d check is successfull, pf=%u cr=%u", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1300 pcch->va, frame_nr, pcch->vs, frame_pollbit, frame_cr); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1301 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1302 /* acknowledgement according to GSM 04.06, 5.5.3.1*/ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1303 free_sending_buffer (pcch->ch_type, pcch_i->sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1304 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1305 pcch->va = frame_nr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1306 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1307 #endif /* NEW_REJ_ACK */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1308 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1309 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1310 * in accordance with GSM 04.06; chapter 5.5.4.1 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1311 * Receipt of a valid REJ frame [ii) and iii)] |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1312 * |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1313 * clear existing peer receiver busy condition (not applicable in GSM) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1314 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1315 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1316 if (frame_pollbit AND !frame_cr) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1317 {/* REJ response with F bit set to 1 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1318 /* clear the timer recovery state */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1319 pcch_i->state = STATE_MULTIPLE_FRAME_ESTABLISHED; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1320 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1321 /* reset timer T200 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1322 pcch_i->T200_Stop = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1323 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1324 #if defined(NEW_REJ_ACK) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1325 /* transmit the corresponding I frame asap */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1326 if (pcch->va NEQ frame_nr) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1327 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1328 TRACE_EVENT_WIN_P2 ("REJ: V(A)=%d != N(R)=%d => invoke retransmission", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1329 pcch->va, frame_nr); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1330 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1331 invoke_retransmission (pcch_i, frame_nr); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1332 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1333 #else /* NEW_REJ_ACK */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1334 /* transmit the corresponding I frame asap */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1335 invoke_retransmission (pcch_i, frame_nr); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1336 #endif /* NEW_REJ_ACK */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1337 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1338 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1339 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1340 * set its send state variable V(S) and its acknowledge state |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1341 * variable V(A) to the value of the N(R) contained in the REJ frame |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1342 * control field |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1343 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1344 pcch->vs = pcch->va = frame_nr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1345 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1346 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1347 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1348 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1349 * set its its acknowledge state variable V(A) to the value |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1350 * of the N(R) contained in the REJ frame control field |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1351 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1352 pcch->va = frame_nr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1353 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1354 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1355 * if REJ command with P bit set to 1, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1356 * transmit an appropiate supervisory response frame with F bit set to 1 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1357 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1358 if (frame_pollbit AND frame_cr) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1359 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1360 enquiry_response (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1361 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1362 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1363 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1364 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1365 case RNR_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1366 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1367 * ignore RNR frame without notification |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1368 * (ETSI GSM 04.06, section 6. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1369 * "Special protocol operation on SAPI=0 and SAPI=3", page 53) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1370 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1371 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1372 /* frame not implemented, */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1373 TRACE_EVENT_WIN ("invalid S frame"); /* GSM 04.06 Annex G.3.1 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1374 return; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1375 }/* endswitch frame_type */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1376 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1377 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1378 }/* endfunc downlink_tr_supervisory */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1379 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1380 static void downlink_tr_information ( T_CCH_INTERN* pcch_i, UBYTE *frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1381 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1382 T_CCH* pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1383 UBYTE frame_nr; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1384 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1385 CHECK_PCCH_I(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1386 pcch = pcch_i->pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1387 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1388 TRACE_EVENT_WIN ("downlink_tr_information()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1389 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1390 if (!GET_CR (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1391 { /* GSM 04.06 Annex G.2.2 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1392 TRACE_EVENT_WIN ("invalid I response (C=0)"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1393 return; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1394 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1395 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1396 /* in accordance with CCITT Q.921 figure B.8 (sheet 7 of 9) */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1397 downlink_i_frame (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1398 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1399 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1400 * in accordance with CCITT Q.921 figure B.8 (sheet 8 of 9) and |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1401 * 3GPP 04.06, 5.5.3.1 "On receipt of a valid I frame or supervisory frame" |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1402 * and 5.5.7 "Waiting acknowledgement". |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1403 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1404 frame_nr = GET_RECEIVE_NUMBER (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1405 if (com_check_nr (pcch->va, pcch->vs, frame_nr)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1406 pcch->va = frame_nr;/* N(R) check is successfull */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1407 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1408 nr_error_recovery (pcch_i, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1409 }/* endfunc downlink_tr_information */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1410 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1411 static int downlink_awaiting_release(T_CCH_INTERN* pcch_i, UBYTE *frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1412 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1413 T_CCH* pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1414 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1415 CHECK_PCCH_Ir(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1416 pcch = pcch_i->pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1417 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1418 TRACE_FUNCTION ("downlink_awaiting_release()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1419 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1420 if (GET_FORMAT_TYPE (frame) EQ U_FORMAT) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1421 { /* U frame */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1422 if (GET_CR (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1423 { /* command */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1424 switch (GET_U_TYPE (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1425 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1426 case SABM_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1427 if (pcch_i->sapi EQ PS_SAPI_0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1428 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1429 pcch->vtx = DM_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1430 pcch_i->pf_bit_flag = GET_P_BIT (frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1431 pcch_i->T200_Stop = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1432 pcch_i->state = STATE_IDLE_DL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1433 drr_dl_release_cnf (pcch->ch_type, PS_SAPI_0, FALSE); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1434 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1435 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1436 case UI_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1437 /* drr_dl_unitdata_ind() was called in the main downlink function */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1438 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1439 case DISC_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1440 pcch->vtx = UA_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1441 pcch_i->T200_Stop = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1442 #if !defined(LATE_LEAVING_DEDICATED) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1443 com_leave_dedicated (pcch->ch_type); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1444 #endif /* LATE_LEAVING_DEDICATED */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1445 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1446 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1447 /* GSM 04.06 Annex G.2.2, G.3.2 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1448 TRACE_EVENT_WIN_P1 ("invalid command U frame (%02x)", GET_U_TYPE (frame)); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1449 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1450 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1451 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1452 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1453 { /* response */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1454 switch (GET_U_TYPE (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1455 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1456 case DM_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1457 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1458 * PATCH LE 14.09.99 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1459 * Ignore DM(F=0) frames |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1460 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1461 if (!GET_P_BIT (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1462 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1463 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1464 /* the same as UA_FRAME */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1465 /*lint -fallthrough*/ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1466 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1467 case UA_FRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1468 pcch_i->T200_Stop = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1469 #if defined(LATE_LEAVING_DEDICATED) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1470 com_leave_dedicated (pcch->ch_type); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1471 #endif /* LATE_LEAVING_DEDICATED */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1472 pcch_i->state = STATE_IDLE_DL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1473 drr_dl_release_cnf (pcch->ch_type, pcch_i->sapi, TRUE); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1474 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1475 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1476 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1477 TRACE_EVENT_WIN_P1 ("invalid response U frame (%02x)", GET_U_TYPE (frame)); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1478 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1479 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1480 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1481 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1482 return 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1483 }/* endfunc downlink_awaiting_release */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1484 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1485 static void invoke_retransmission (T_CCH_INTERN* pcch_i, UBYTE frame_nr) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1486 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1487 T_CCH* pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1488 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1489 CHECK_PCCH_I(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1490 pcch = pcch_i->pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1491 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1492 if (pcch->vs NEQ frame_nr) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1493 { /* decrement V(S) and recover queue for retransmission */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1494 TRACE_EVENT_WIN ("invoke retransmission"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1495 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1496 pcch->vs--; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1497 pcch->vs &= 7; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1498 com_recover_queue (pcch_i->sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1499 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1500 }/* endfunc invoke_retransmission */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1501 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1502 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1503 static void enquiry_response (T_CCH_INTERN* pcch_i, UBYTE *frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1504 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1505 T_CCH* pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1506 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1507 CHECK_PCCH_I(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1508 pcch = pcch_i->pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1509 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1510 TRACE_EVENT_WIN ("enquiry_response()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1511 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1512 * in accordance with ETSI GSM 04.06, 5.5.3.2 Receiving supervisory |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1513 * commands with the P bit set to "1" and ETSI GSM 04.06, 5.5.4.1 iii |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1514 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1515 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1516 pcch_i->pf_bit_flag = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1517 pcch->acknowledge_pending = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1518 pcch->vtx = RR_RSP; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1519 }/* endfunc enquiry_response */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1520 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1521 #if defined(_SIMULATION_) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1522 LOCAL const char * const _str_error_ind_cause[] = |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1523 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1524 "T200_EXPIRED_N200_PLUS_1_TIMES, \"T200 expired (N200 + 1 times)\"", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1525 "CS_REEST_REQ, \"re-establishment request\"", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1526 "UNSOLICITED_UA_RESPONSE, \"unsolicited UA response\"", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1527 "UNSOLICITED_DM_RESPONSE, \"unsolicited DM response\"", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1528 "UNSOLICITED_DM_RESPONSE_ABNORMAL_REL, \"unsolicited DM response, multiple frame established state\"", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1529 "UNSOLICITED_SUPERVISORY_RESPONSE, \"unsolicited supervisory response\"", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1530 "SEQUENCE_ERROR, \"sequence error\"", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1531 "U_FRAME_WITH_INCORRECT_PARAMETERS, \"U frame with incorrect parameters\"", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1532 "S_FRAME_WITH_INCORRECT_PARAMETERS, \"S frame with incorrect parameters\"", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1533 "I_FRAME_WITH_INCORRECT_USE_OF_M_BIT, \"I frame with incorrect use of M bit\"", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1534 "I_FRAME_WITH_INCORRECT_LENGTH, \"I frame with incorrect length\"", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1535 "FRAME_NOT_IMPLEMENTED, \"frame not implemented\"", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1536 }; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1537 #endif /* _SIMULATION_ */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1538 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1539 static void mdl_error_ind (UBYTE cause, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1540 UBYTE channel_type, UBYTE sapi) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1541 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1542 TRACE_EVENT_WIN_P2 ("mdl_error_ind(%u %s)", cause, _str_error_ind_cause[cause]); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1543 switch(cause) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1544 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1545 case T200_EXPIRED_N200_PLUS_1_TIMES: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1546 case UNSOLICITED_DM_RESPONSE: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1547 case UNSOLICITED_DM_RESPONSE_ABNORMAL_REL: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1548 case SEQUENCE_ERROR: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1549 drr_error_ind (channel_type, sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1550 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1551 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1552 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1553 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1554 }/* endfunc mdl_error_ind */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1555 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1556 static void nr_error_recovery (T_CCH_INTERN* pcch_i, UBYTE *frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1557 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1558 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1559 T_CCH* pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1560 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1561 CHECK_PCCH_I(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1562 pcch = pcch_i->pcch; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1563 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1564 TRACE_EVENT_WIN ("nr_error_recovery()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1565 DL_OFFLINE_TRACE (TRACE_DL_EVENT, TRACE_CH_UNKNOWN, pcch->ch_type, "N(R) sequence error"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1566 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1567 switch (pcch->ch_type) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1568 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1569 case L2_CHANNEL_SDCCH: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1570 if (pcch_i->sapi EQ PS_SAPI_3) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1571 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1572 /*lint -fallthrough*/ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1573 case L2_CHANNEL_SACCH: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1574 case L2_CHANNEL_FACCH_F: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1575 case L2_CHANNEL_FACCH_H: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1576 if ((GET_P_BIT (frame) EQ 1) AND !GET_M_BIT (frame)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1577 pcch_i->dl_data_ind = TRUE; /* indicate a complete message to layer 3 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1578 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1579 pcch_i->dl_data_ind = FALSE;/* no indication if P bit set to "0" or message is incomplete */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1580 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1581 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1582 * GSM 04.06, 5.7.4 The data link shall remain in current state |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1583 * until it´s release by layer 3 ??? |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1584 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1585 pcch_i->mdl_error_ind = SEQUENCE_ERROR; /* send mdl error ind after sequence error */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1586 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1587 DL_EM_CHANNEL_FAILURE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1588 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1589 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1590 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1591 pcch->vtx = EMPTY_CMD;/* no answer after N(R) sequence error */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1592 }/* endfunc nr_error_recovery */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1593 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1594 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1595 static void concatenate (UBYTE ch_type, UBYTE sapi,UBYTE *frame) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1596 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1597 GET_INSTANCE_DATA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1598 switch (ch_type) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1599 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1600 case L2_CHANNEL_SDCCH: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1601 if (sapi EQ PS_SAPI_0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1602 com_concatenate (&dl_data->dcch0_in_msg, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1603 else if (sapi EQ PS_SAPI_3) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1604 com_concatenate (&dl_data->dcch3_in_msg, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1605 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1606 case L2_CHANNEL_SACCH: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1607 if (sapi EQ PS_SAPI_3) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1608 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1609 com_concatenate (&dl_data->dcch3_in_msg, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1610 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1611 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1612 case L2_CHANNEL_FACCH_F: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1613 case L2_CHANNEL_FACCH_H: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1614 if (sapi EQ PS_SAPI_0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1615 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1616 com_concatenate (&dl_data->dcch0_in_msg, frame); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1617 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1618 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1619 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1620 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1621 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1622 }/* endfunc concatenate */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1623 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1624 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1625 +--------------------------------------------------------------------+ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1626 | PROJECT : GSM-PS (6147) MODULE : DL_COM | |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1627 | STATE : code ROUTINE : free_sending_buffer | |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1628 +--------------------------------------------------------------------+ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1629 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1630 PURPOSE : After confirmation of an I frame the sending buffer is |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1631 released if it was the last segment. This avoids |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1632 resending of I frames after resumption. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1633 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1634 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1635 static void free_sending_buffer ( UBYTE ch_type, UBYTE sapi) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1636 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1637 GET_INSTANCE_DATA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1638 T_QUEUE *queue = NULL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1639 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1640 TRACE_EVENT_WIN_P2 ("free_sending_buffer():%s SAPI=%u", CH_TYPE_NAME[ch_type], sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1641 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1642 switch (ch_type) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1643 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1644 case L2_CHANNEL_SDCCH: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1645 if (sapi EQ PS_SAPI_0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1646 queue = &dl_data->dcch0_queue; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1647 else if (sapi EQ PS_SAPI_3) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1648 queue = &dl_data->dcch3_queue; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1649 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1650 case L2_CHANNEL_SACCH: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1651 if (sapi EQ PS_SAPI_3) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1652 queue = &dl_data->dcch3_queue; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1653 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1654 case L2_CHANNEL_FACCH_F: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1655 case L2_CHANNEL_FACCH_H: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1656 if (sapi EQ PS_SAPI_0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1657 queue = &dl_data->dcch0_queue; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1658 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1659 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1660 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1661 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1662 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1663 if (queue) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1664 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1665 if (queue->switch_buffer) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1666 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1667 TRACE_EVENT_WIN_P3 ("CNF on %s SAPI=%u %s (switch_buffer)", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1668 CH_TYPE_NAME[queue->switch_buffer->ch_type], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1669 queue->switch_buffer->sapi, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1670 queue->switch_buffer->cnf ? "CNF required" : ""); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1671 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1672 com_l3trace (TRACE_UPLINK, queue->switch_buffer->ch_type, (UBYTE *)queue->switch_buffer); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1673 COM_FREE_QUEUE_BUFFER ( queue, INDEX_SWITCH_BUFFER); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1674 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1675 else if (queue->sending_buffer) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1676 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1677 TRACE_EVENT_WIN_P4 ("CNF on %s SAPI=%u %s (sending_buffer) act_length=%u", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1678 CH_TYPE_NAME[queue->sending_buffer->ch_type], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1679 queue->sending_buffer->sapi, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1680 queue->sending_buffer->cnf ? "CNF required" : "", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1681 queue->act_length); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1682 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1683 if (queue->act_length EQ 0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1684 { /* entire message has been sent */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1685 com_l3trace (TRACE_UPLINK, queue->sending_buffer->ch_type, (UBYTE *)queue->sending_buffer); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1686 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1687 if (queue->sending_buffer->cnf) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1688 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1689 drr_dl_data_cnf (sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1690 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1691 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1692 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1693 COM_FREE_QUEUE_BUFFER (queue, INDEX_SENDING_BUFFER); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1694 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1695 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1696 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1697 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1698 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1699 TRACE_EVENT_WIN_P2 ("%s SAPI=%u: sending_buffer and switch_buffer=NULL !!!", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1700 CH_TYPE_NAME[ch_type], sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1701 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1702 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1703 }/* endfunc concatenate */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1704 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1705 static void T200_expiry ( UBYTE channel, UBYTE sapi) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1706 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1707 GET_INSTANCE_DATA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1708 UBYTE old_state; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1709 UBYTE new_state; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1710 T_CCH * pcch = &dl_data->cch[channel]; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1711 UBYTE N200_counter; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1712 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1713 TRACE_FUNCTION ("T200_expiry()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1714 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1715 switch (pcch->ch_type) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1716 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1717 case L2_CHANNEL_SACCH: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1718 N200_counter = SACCH_N200; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1719 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1720 case L2_CHANNEL_SDCCH: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1721 N200_counter = SDCCH_N200; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1722 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1723 case L2_CHANNEL_FACCH_F: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1724 N200_counter = FACCH_N200_FR; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1725 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1726 case L2_CHANNEL_FACCH_H: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1727 N200_counter = FACCH_N200_HR; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1728 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1729 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1730 N200_counter = NOT_PRESENT_8BIT; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1731 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1732 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1733 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1734 new_state = old_state = dl_data->state[channel]; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1735 switch (old_state) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1736 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1737 case STATE_CONTENTION_RESOLUTION: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1738 repeat_sabm (channel, sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1739 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1740 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1741 case STATE_MULTIPLE_FRAME_ESTABLISHED: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1742 pcch->rc = 1; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1743 pcch->p_bit_flag= 1; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1744 pcch->time_flag = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1745 new_state = STATE_TIMER_RECOVERY; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1746 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1747 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1748 case STATE_TIMER_RECOVERY: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1749 if (N200_counter EQ NOT_PRESENT_8BIT) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1750 break; /* invalid channel */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1751 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1752 if (pcch->rc >= N200_counter) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1753 { /* release connection due to T200 expired N200 plus 1 times */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1754 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1755 TRACE_EVENT_WIN_P1 ("T200 expired, N200=%u", N200_counter); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1756 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1757 /* New! Called now by mdl_error_ind(). |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1758 * drr_dl_release_ind (dl_data, pcch->ch_type, sapi, NOT_PRESENT_8BIT); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1759 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1760 mdl_error_ind (T200_EXPIRED_N200_PLUS_1_TIMES, pcch->ch_type, sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1761 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1762 if (sapi EQ PS_SAPI_0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1763 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1764 dcch3_init_dl_data(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1765 pcch->T200_counter = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1766 pcch->time_flag = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1767 pcch->contention_resolution = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1768 pcch->vtx = EMPTY_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1769 new_state = STATE_IDLE_DL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1770 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1771 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1772 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1773 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1774 pcch->rc++; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1775 pcch->p_bit_flag = 1; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1776 pcch->time_flag = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1777 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1778 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1779 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1780 case STATE_AWAITING_RELEASE: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1781 if (pcch->rc >= N200_ESTABLISHMENT) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1782 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1783 TRACE_EVENT_WIN_P1 ("T200 expired, N200=%u", N200_ESTABLISHMENT); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1784 drr_dl_release_cnf (pcch->ch_type, sapi, TRUE); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1785 new_state = STATE_IDLE_DL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1786 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1787 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1788 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1789 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1790 pcch->rc++; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1791 pcch->vtx = DISC_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1792 pcch->time_flag = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1793 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1794 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1795 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1796 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1797 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1798 }/* endswitch old_state */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1799 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1800 if (new_state NEQ old_state) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1801 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1802 set_channel_state (channel, new_state); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1803 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1804 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1805 }/* endfunc T200_expiry */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1806 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1807 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1808 +--------------------------------------------------------------------+ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1809 | PROJECT : GSM-PS (6147) MODULE : state | |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1810 | STATE : code ROUTINE : repeat_sabm | |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1811 +--------------------------------------------------------------------+ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1812 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1813 PURPOSE : Repeat if possible the SABM command. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1814 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1815 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1816 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1817 static void repeat_sabm (UBYTE channel, UBYTE sapi) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1818 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1819 GET_INSTANCE_DATA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1820 T_CCH* pcch = &dl_data->cch[channel]; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1821 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1822 TRACE_FUNCTION ("repeat_sabm()"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1823 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1824 if (pcch->rc >= N200_ESTABLISHMENT) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1825 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1826 if (sapi EQ PS_SAPI_0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1827 pcch->contention_resolution = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1828 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1829 DL_OFFLINE_TRACE (TRACE_DL_EVENT, channel, pcch->ch_type, ">N200_EST"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1830 SYST_TRACE_P ((SYST, "DL: >N200 of SABM")); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1831 TRACE_ERROR ("DL: >N200 of SABM"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1832 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1833 DL_EM_CHANNEL_ESTABLISHMENT_FAILED; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1834 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1835 mdl_error_ind(T200_EXPIRED_N200_PLUS_1_TIMES, pcch->ch_type, sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1836 set_channel_state (channel, STATE_IDLE_DL); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1837 /* New! Called now by mdl_error_ind(). |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1838 * drr_dl_release_ind (dl_data, pcch->ch_type, sapi, NOT_PRESENT_8BIT); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1839 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1840 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1841 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1842 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1843 pcch->rc++; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1844 pcch->vtx = SABM_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1845 pcch->time_flag = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1846 TRACE_EVENT_P1 ("DL: T200 %u. repeat of SABM", pcch->rc); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1847 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1848 }/* endfunc repeat_sabm */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1849 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1850 GLOBAL void set_channel_state (UBYTE channel, UBYTE state) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1851 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1852 GET_INSTANCE_DATA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1853 if (dl_data->state[channel] NEQ state) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1854 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1855 #ifdef TRACE_STATE |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1856 vsi_o_state_ttrace ("STATE_%s:%s -> %s", PROCESS_NAME[channel], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1857 channel EQ C_DCCH3 ? STATE_DCCH3_NAME[dl_data->state[channel]]: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1858 STATE_DCCH0_NAME[dl_data->state[channel]], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1859 channel EQ C_DCCH3 ? STATE_DCCH3_NAME[state] : |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1860 STATE_DCCH0_NAME[state]); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1861 #endif /* TRACE_STATE */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1862 dl_data->state[channel] = state; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1863 DL_OFFLINE_TRACE (TRACE_CHSTATE, channel, dl_data->cch[channel].ch_type, NULL); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1864 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1865 }/* endfunc set_channel_state */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1866 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1867 static void set_T200_counter (T_CCH* pcch, UBYTE sapi) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1868 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1869 switch (pcch->ch_type) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1870 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1871 case L2_CHANNEL_SACCH: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1872 pcch->T200_counter = sapi EQ PS_SAPI_0 ? |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1873 T200_SDCCH_SAPI_0_CNT : T200_SACCH_SAPI_3_CNT; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1874 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1875 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1876 TRACE_EVENT_WIN_P1 ("set_T200_counter: unknown ch_type=%u -> use SDCCH", pcch->ch_type); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1877 /*lint -fallthrough*/ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1878 case L2_CHANNEL_SDCCH: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1879 pcch->T200_counter = sapi EQ PS_SAPI_0 ? |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1880 T200_SDCCH_SAPI_0_CNT : T200_SDCCH_SAPI_3_CNT; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1881 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1882 case L2_CHANNEL_FACCH_F: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1883 pcch->T200_counter = T200_FACCH_SAPI_0_CNT_FR; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1884 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1885 case L2_CHANNEL_FACCH_H: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1886 pcch->T200_counter = T200_FACCH_SAPI_0_CNT_HR; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1887 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1888 }/* endswitch ch_type */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1889 pcch->time_flag = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1890 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1891 TRACE_EVENT_WIN_P3 ("set_T200_counter: %s, SAPI=%u: %u", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1892 CH_TYPE_NAME[pcch->ch_type], sapi, pcch->T200_counter); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1893 }/* endfunc set_T200_counter */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1894 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1895 #if defined(DELAYED_RELEASE_IND) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1896 static void delayed_release_ind( UBYTE channel) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1897 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1898 GET_INSTANCE_DATA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1899 /* delay DL RELEASE IND to RR for FTA 25.2.3 *********** */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1900 if (dl_data->release_ind_ch_type NEQ NOT_PRESENT_8BIT) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1901 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1902 if (dl_data->release_ind_delay > 0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1903 dl_data->release_ind_delay--; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1904 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1905 if (dl_data->release_ind_delay EQ 0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1906 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1907 DL_OFFLINE_TRACE (TRACE_DL_EVENT, TRACE_CH_UNKNOWN, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1908 dl_data->release_ind_ch_type, "UL:send delayed REL IND"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1909 drr_dl_release_ind (dl_data->release_ind_ch_type, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1910 dl_data->release_ind_sapi, NOT_PRESENT_8BIT, TRUE); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1911 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1912 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1913 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1914 DL_OFFLINE_TRACE (TRACE_DL_EVENT, TRACE_CH_UNKNOWN, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1915 dl_data->release_ind_ch_type, "UL:pend. delay REL IND"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1916 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1917 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1918 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1919 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1920 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1921 #endif /* DELAYED_RELEASE_IND */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1922 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1923 T_RADIO_FRAME* dl_uplink(UBYTE channel, UBYTE sapi, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1924 UBYTE no_signalling_mode, BOOL recursive) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1925 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1926 GET_INSTANCE_DATA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1927 T_CCH* pcch = &dl_data->cch[channel]; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1928 T_RADIO_FRAME* p_l2_frame = &dl_data->l2_frame; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1929 int send = UPLINK_NULL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1930 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1931 TRACE_EVENT_WIN_P3 ("uplink(): %s dcch0_ch_type:%s dedi=%u", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1932 CH_TYPE_NAME[pcch->ch_type], CH_TYPE_NAME[dl_data->dcch0_ch_type], dl_data->RR_dedicated); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1933 TRACE_EVENT_WIN_P6 ("UL: DCCH0=%s,%s vr=%u vs=%u va=%u T200=%u", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1934 CH_TYPE_NAME[dl_data->cch[C_DCCH0].ch_type], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1935 STATE_DCCH0_NAME[dl_data->state[C_DCCH0]], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1936 dl_data->cch[C_DCCH0].vr, dl_data->cch[C_DCCH0].vs, dl_data->cch[C_DCCH0].va, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1937 dl_data->cch[C_DCCH0].T200_counter); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1938 TRACE_EVENT_WIN_P6 ("UL: DCCH3=%s,%s vr=%u vs=%u va=%u T200=%u", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1939 CH_TYPE_NAME[dl_data->cch[C_DCCH3].ch_type], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1940 STATE_DCCH3_NAME[dl_data->state[C_DCCH3]], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1941 dl_data->cch[C_DCCH3].vr, dl_data->cch[C_DCCH3].vs, dl_data->cch[C_DCCH3].va, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1942 dl_data->cch[C_DCCH3].T200_counter); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1943 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1944 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1945 /* check SACCH SAPI and channel */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1946 if (pcch->ch_type EQ L2_CHANNEL_SACCH) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1947 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1948 if (!dl_data->RR_dedicated) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1949 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1950 sapi = PS_SAPI_0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1951 send = UPLINK_EMPTY; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1952 TRACE_EVENT_WIN ("SACCH without dedicated channel: change SAPI->0, UPLINK_EMPTY"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1953 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1954 else if (dl_data->state[C_DCCH0] EQ STATE_SUSPENDED) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1955 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1956 sapi = PS_SAPI_0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1957 send = UPLINK_REPORT; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1958 TRACE_EVENT_WIN ("SACCH during suspended dedicated channel: change SAPI->0, UPLINK_REPORT"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1959 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1960 else if (sapi EQ PS_SAPI_3) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1961 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1962 if ((dl_data->state[C_DCCH0] <= STATE_IDLE_DL) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1963 OR |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1964 (dl_data->dcch0_ch_type EQ L2_CHANNEL_SDCCH) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1965 OR |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1966 ((dl_data->cch[C_DCCH3].vtx EQ EMPTY_CMD) AND |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1967 (!com_queue_awaiting_transmission (PS_SAPI_3)) AND |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1968 (dl_data->state[C_DCCH3] NEQ STATE_AWAITING_ESTABLISHMENT) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1969 ) ) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1970 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1971 sapi = PS_SAPI_0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1972 TRACE_EVENT_WIN ("SACCH with SAPI=3 only together with FACCH and frame is awaiting tx: change SAPI->0"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1973 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1974 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1975 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1976 channel = C_DCCH3; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1977 pcch = &dl_data->cch[channel]; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1978 TRACE_EVENT_WIN ("SACCH with SAPI=3 together with FACCH: change channel->C_DCCH3"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1979 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1980 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1981 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1982 else if ((dl_data->RR_dedicated) AND |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1983 (dl_data->dcch0_ch_type NEQ pcch->ch_type)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1984 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1985 TRACE_EVENT_WIN_P2 ("dcch0_ch_type (%s) NEQ %s -> unexpected,unsolicited,invalid channel => UPLINK_EMPTY", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1986 CH_TYPE_NAME[dl_data->dcch0_ch_type], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1987 CH_TYPE_NAME[dl_data->cch[C_DCCH0].ch_type]); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1988 send = UPLINK_EMPTY; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1989 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1990 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1991 /* decrease T200 counter ************************************ */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1992 if (channel EQ C_DCCH3) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1993 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1994 if (dl_data->cch[C_DCCH3].T200_counter >= T200_ACTIVE) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1995 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1996 dl_data->cch[C_DCCH3].T200_counter--; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1997 TRACE_EVENT_WIN_P2 ("T200(SAPI_0)=%u T200(SAPI_3)=%u*", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1998 dl_data->cch[C_DCCH0].T200_counter, dl_data->cch[C_DCCH3].T200_counter); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1999 /*DL_OFFLINE_TRACE (TRACE_DL_EVENT, channel, pcch->ch_type, "dec T200(SAPI_3)");*/ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2000 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2001 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2002 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2003 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2004 if (pcch->ch_type NEQ L2_CHANNEL_SACCH) /* no T200 for SACCH with SAPI=0 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2005 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2006 if (dl_data->cch[C_DCCH0].T200_counter >= T200_ACTIVE) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2007 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2008 dl_data->cch[C_DCCH0].T200_counter--; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2009 TRACE_EVENT_WIN_P2 ("T200(SAPI_0)=%u* T200(SAPI_3)=%u", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2010 dl_data->cch[C_DCCH0].T200_counter, dl_data->cch[C_DCCH3].T200_counter); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2011 /*DL_OFFLINE_TRACE (TRACE_DL_EVENT, channel, pcch->ch_type, "dec T200(SAPI_0)");*/ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2012 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2013 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2014 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2015 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2016 /* check activity of DL ************************************* */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2017 if (dl_data->dl_active AND dl_data->state[channel] EQ STATE_MULTIPLE_FRAME_ESTABLISHED) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2018 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2019 TRACE_EVENT_WIN_P1 ("uplink(): %s dl_active", PROCESS_NAME[channel]); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2020 DL_OFFLINE_TRACE (TRACE_DL_EVENT, channel, pcch->ch_type, "UL:&dl_active"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2021 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2022 /* signalling only */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2023 send = UPLINK_EMPTY; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2024 }/* endif dl_active */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2025 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2026 #if defined(DELAYED_SABM) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2027 /* delay uplink SABM to PL for FTA 26.6.6.1 and 25.2.3 *********** */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2028 if ((channel EQ C_DCCH0) AND (dl_data->dcch0_sabm_flag NEQ NOT_PRESENT_8BIT)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2029 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2030 dcch0_delay_sabm (pcch); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2031 if (dl_data->dcch0_sabm_flag NEQ NOT_PRESENT_8BIT) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2032 send = UPLINK_EMPTY; /* send dummy only */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2033 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2034 #endif /* DELAYED_SABM */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2035 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2036 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2037 #if defined(DELAYED_RELEASE_IND) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2038 delayed_release_ind (channel); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2039 #endif /* DELAYED_RELEASE_IND */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2040 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2041 if ((send EQ UPLINK_NULL) OR (send EQ UPLINK_EMPTY)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2042 { /* After a L3 release at the last downlink DL should send a DISC */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2043 TRACE_EVENT_WIN_P6 ("uplink():%s %s SAPI=%u vtx=%s %s (#%u)", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2044 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2045 VTX_NAME[pcch->vtx], SEND_NAME[send], __LINE__); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2046 switch (channel) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2047 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2048 case C_DCCH0: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2049 send = dcch0_check_disc (send); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2050 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2051 case C_DCCH3: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2052 send = dcch3_check_disc (send); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2053 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2054 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2055 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2056 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2057 TRACE_EVENT_WIN_P6 ("uplink():%s %s SAPI=%u vtx=%s %s (#%u)", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2058 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2059 VTX_NAME[pcch->vtx], SEND_NAME[send], __LINE__); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2060 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2061 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2062 if (send EQ UPLINK_NULL) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2063 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2064 TRACE_EVENT_WIN_P5 ("uplink():%s %s SAPI=%u vtx=%s %s", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2065 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2066 VTX_NAME[pcch->vtx], recursive ? "RECURSIVE" : ""); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2067 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2068 TRACE_EVENT_WIN_P8 ("UL: DCCH%u=%s,%s vr=%u vs=%u va=%u T200=%u (#%u)", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2069 sapi, CH_TYPE_NAME[dl_data->cch[channel].ch_type], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2070 STATE_DCCH3_NAME[dl_data->state[channel]], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2071 dl_data->cch[channel].vr, dl_data->cch[channel].vs, dl_data->cch[channel].va, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2072 dl_data->cch[channel].T200_counter, __LINE__); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2073 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2074 /* check timer T200 expiry ****************************** */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2075 if ((channel EQ C_DCCH0) AND |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2076 (dl_data->cch[C_DCCH0].T200_counter EQ T200_EXPIRED)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2077 T200_expiry (C_DCCH0, PS_SAPI_0); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2078 if ((channel EQ C_DCCH3) AND |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2079 (dl_data->cch[C_DCCH3].T200_counter EQ T200_EXPIRED)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2080 T200_expiry (C_DCCH3, PS_SAPI_3); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2081 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2082 TRACE_EVENT_WIN_P8 ("UL: DCCH%u=%s,%s vr=%u vs=%u va=%u T200=%u (#%u)", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2083 sapi, CH_TYPE_NAME[dl_data->cch[channel].ch_type], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2084 STATE_DCCH3_NAME[dl_data->state[channel]], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2085 dl_data->cch[channel].vr, dl_data->cch[channel].vs, dl_data->cch[channel].va, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2086 dl_data->cch[channel].T200_counter, __LINE__); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2087 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2088 /* state machine **************************************** */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2089 switch (dl_data->state[channel]) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2090 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2091 case STATE_IDLE_DL: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2092 if (pcch->vtx EQ EMPTY_CMD AND !dl_data->RR_dedicated) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2093 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2094 send = uplink_idle (channel, sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2095 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2096 case STATE_CONTENTION_RESOLUTION: /* the same as STATE_AWAITING_ESTABLISHMENT */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2097 send = uplink_awaiting_establishment (channel, sapi, no_signalling_mode); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2098 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2099 case STATE_MULTIPLE_FRAME_ESTABLISHED: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2100 send = uplink_mfe (channel, sapi, no_signalling_mode); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2101 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2102 case STATE_TIMER_RECOVERY: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2103 send = uplink_timer_recovery (channel, sapi, no_signalling_mode); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2104 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2105 case STATE_AWAITING_RELEASE: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2106 send = uplink_awaiting_release ( channel, sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2107 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2108 case STATE_SUSPENDED: /* only DCCH0 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2109 send = UPLINK_NULL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2110 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2111 case STATE_DISABLED: /* only SABM/UA or SACCH and SDCCH (SAPI 3) */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2112 if (channel EQ C_DCCH3) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2113 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2114 if (pcch->vtx EQ UA_CMD) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2115 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2116 send = uplink_idle (channel, sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2117 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2118 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2119 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2120 send = UPLINK_EMPTY; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2121 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2122 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2123 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2124 }/* endswitch channel_state */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2125 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2126 }/* endif send == NULL */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2127 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2128 TRACE_EVENT_WIN_P8 ("UL: DCCH%u=%s,%s vr=%u vs=%u va=%u T200=%u (#%u)", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2129 sapi, CH_TYPE_NAME[dl_data->cch[channel].ch_type], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2130 STATE_DCCH3_NAME[dl_data->state[channel]], |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2131 dl_data->cch[channel].vr, dl_data->cch[channel].vs, dl_data->cch[channel].va, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2132 dl_data->cch[channel].T200_counter, __LINE__); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2133 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2134 if (pcch->ch_type EQ L2_CHANNEL_SACCH) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2135 { /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2136 * According to 3GPP TS 04.05, 4.2.2 Priority: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2137 * The priority arrangement on the SACCH must ensure that if a SAPI = 3 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2138 * frame is awaiting transmission, two SAPI = 0 frames are not sent in |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2139 * consecutive SACCH frames. In addition, for the mobile to network |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2140 * direction it must also be ensured that any SAPI = 3 frame is followed |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2141 * by at least one SAPI = 0 frame. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2142 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2143 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2144 TRACE_EVENT_WIN_P3 ("sacch_last_uplink_sapi=%u SAPI=%u send=%s", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2145 dl_data->sacch_last_uplink_sapi, sapi, SEND_NAME[send]); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2146 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2147 if ((dl_data->sacch_last_uplink_sapi EQ PS_SAPI_3) OR |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2148 ((sapi EQ PS_SAPI_3 ) AND (send EQ UPLINK_EMPTY))) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2149 {/* last uplinked SACCH frame was one with SAPI=3 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2150 * or |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2151 * no SACCH SAPI=3 frame is awaiting transmission |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2152 * -> uplink of a SACCH SAPI=0 frame |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2153 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2154 sapi = PS_SAPI_0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2155 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2156 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2157 if (send EQ UPLINK_EMPTY) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2158 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2159 sapi = PS_SAPI_0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2160 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2161 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2162 if ((sapi EQ PS_SAPI_0) AND (dl_data->state[C_DCCH0] >= STATE_SUSPENDED)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2163 { /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2164 * uplink measurement reports only if SAPI=0 is suspended, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2165 * on contention resolution procedure, established or awaiting release |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2166 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2167 send = UPLINK_REPORT; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2168 TRACE_EVENT_WIN ("uplink(): SACCH REPORT now"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2169 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2170 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2171 TRACE_EVENT_WIN_P2 ("sacch_last_uplink_sapi:=%u->%u", dl_data->sacch_last_uplink_sapi, sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2172 dl_data->sacch_last_uplink_sapi = sapi; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2173 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2174 else if ((pcch->ch_type EQ L2_CHANNEL_SDCCH) AND (channel NEQ C_DCCH3)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2175 { /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2176 * According to 3GPP TS 04.05, 4.2.2 Priority: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2177 * The priority between data links on SDCCH shall be as follows: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2178 * Highest priority : SAPI = 0, Lowest priority : SAPI = 3. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2179 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2180 if ((sapi EQ PS_SAPI_0) AND (send <= UPLINK_EMPTY)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2181 { /* special case: nothing is awaiting transmission for SAPI=0 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2182 if ((dl_data->cch[C_DCCH3].vtx NEQ EMPTY_CMD) OR |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2183 com_queue_awaiting_transmission(PS_SAPI_3) OR |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2184 (dl_data->cch[C_DCCH3].T200_counter NEQ T200_STOPPED)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2185 {/* something is awaiting transmission for SAPI=3 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2186 if (dl_data->state[C_DCCH0] >= STATE_CONTENTION_RESOLUTION) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2187 { /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2188 * uplink SAPI=3 only if SAPI=0 is on contention resolution procedure |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2189 * or established or awaiting release |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2190 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2191 send = UPLINK_DCCH3; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2192 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2193 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2194 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2195 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2196 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2197 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2198 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2199 /* no special treatment of FACCH */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2200 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2201 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2202 /* return uplink frame buffer pointer dependent on the value of send */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2203 TRACE_EVENT_WIN_P4 ("%s on %s SAPI=%u RR_dedicated=%u", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2204 SEND_NAME[send], CH_TYPE_NAME[pcch->ch_type], sapi, dl_data->RR_dedicated); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2205 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2206 switch (send) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2207 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2208 case UPLINK_NORMAL: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2209 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2210 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2211 case UPLINK_UA: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2212 case UPLINK_UA_F: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2213 com_build_UA_response (pcch->ch_type, sapi, (UBYTE)((send EQ UPLINK_UA_F) ? 1 : 0)); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2214 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2215 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2216 case UPLINK_IFRAME: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2217 case UPLINK_IFRAME_P: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2218 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2219 UBYTE m_bit; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2220 UBYTE p_bit = (send EQ UPLINK_IFRAME_P) ? 1 : 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2221 T_QUEUE *queue; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2222 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2223 if (pcch->ch_type EQ L2_CHANNEL_SACCH) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2224 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2225 sapi = PS_SAPI_3; /* acknowledged mode only for SAPI=3 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2226 TRACE_EVENT_WIN ("SACCH with I frame: acknowledged mode only for SAPI=3"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2227 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2228 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2229 if (sapi EQ PS_SAPI_0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2230 queue = &dl_data->dcch0_queue; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2231 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2232 queue = &dl_data->dcch3_queue; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2233 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2234 if (send EQ UPLINK_IFRAME) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2235 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2236 com_read_queue (pcch->ch_type, sapi, &m_bit); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2237 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2238 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2239 {/* TIMER_RECOVERY state -> repetition of the last frame */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2240 pcch->vs--; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2241 pcch->vs &= 7; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2242 pcch->p_bit_flag = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2243 m_bit = queue->m_bit; /* remember last m bit */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2244 TRACE_EVENT_WIN_P2 ("TIMER_RECOVERY state: decrement vs to %u, remember m=%u", pcch->vs, m_bit); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2245 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2246 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2247 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2248 com_build_I_command (pcch->ch_type, sapi, pcch->vs, pcch->vr, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2249 p_bit, m_bit, queue); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2250 pcch->vs++; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2251 pcch->vs &= 7; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2252 TRACE_EVENT_WIN_P4 ("%s SAPI=%u new vs=%u (pcch=%08x)", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2253 CH_TYPE_NAME[pcch->ch_type], sapi, pcch->vs, pcch); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2254 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2255 set_T200_counter (pcch, sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2256 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2257 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2258 case UPLINK_RR: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2259 case UPLINK_RR_F: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2260 if (pcch->ch_type EQ L2_CHANNEL_SACCH) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2261 {/* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2262 * There are some tests at the start of dl_uplink() to determine the right |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2263 * SAPI value for SACCH. But the resulting value may be wrong because of |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2264 * the priority arrangement according to 3GPP TS 04.05, section 4.2.2. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2265 * In case the MS has to uplink a RR frame it is clear that |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2266 * L2 is in acknowledged mode and this can be done only with |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2267 * a SAPI value of 3 for SACCH. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2268 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2269 sapi = PS_SAPI_3; /* acknowledged mode only for SAPI=3 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2270 TRACE_EVENT_WIN ("SACCH with supervisory frame: acknowledged mode only for SAPI=3"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2271 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2272 com_build_RR_response (pcch->ch_type, sapi, pcch->vr, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2273 (UBYTE)((send EQ UPLINK_RR_F) ? 1 : 0)); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2274 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2275 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2276 case UPLINK_REJ: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2277 case UPLINK_REJ_F: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2278 if (pcch->ch_type EQ L2_CHANNEL_SACCH) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2279 {/* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2280 * There are some tests at the start of dl_uplink() to determine the right |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2281 * SAPI value for SACCH. But the resulting value may be wrong because of |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2282 * the priority arrangement according to 3GPP TS 04.05, section 4.2.2. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2283 * In case the MS has to uplink a REJ frame it is clear that |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2284 * L2 is in acknowledged mode and this can be done only with |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2285 * a SAPI value of 3 for SACCH. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2286 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2287 sapi = PS_SAPI_3; /* acknowledged mode only for SAPI=3 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2288 TRACE_EVENT_WIN ("SACCH with supervisory frame: acknowledged mode only for SAPI=3"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2289 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2290 com_build_REJ_response (pcch->ch_type, sapi, pcch->vr, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2291 (UBYTE)((send EQ UPLINK_REJ_F) ? 1 : 0)); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2292 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2293 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2294 case UPLINK_REPORT: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2295 if (dl_data->RR_dedicated) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2296 {/* measurement report only in RR dedicated mode */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2297 sacch0_send_data (); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2298 com_l3trace (TRACE_UACK_UP, pcch->ch_type, (UBYTE *)p_l2_frame+5); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2299 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2300 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2301 /* no deleting of vtx!!! */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2302 return p_l2_frame; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2303 /* break; not necessary */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2304 }/* endif measurement report only in RR dedicated mode */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2305 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2306 /* else go through to UPLINK_EMPTY */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2307 /*lint -fallthrough*/ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2308 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2309 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2310 possible_reset_dcch0_ch_type(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2311 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2312 /* check RR message with short PD, short L2 header type 1, format Bter */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2313 if ((dl_data->state[C_DCCH0] >= STATE_SUSPENDED) AND |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2314 dl_data->rr_short_pd_buffer.l_buf AND |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2315 (dl_data->rr_short_pd_ch_type EQ pcch->ch_type)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2316 { /* RR message with short PD, short L2 header type 1, format Bter */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2317 com_build_UI_Bter (pcch->ch_type); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2318 return p_l2_frame; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2319 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2320 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2321 if (((pcch->ch_type EQ L2_CHANNEL_FACCH_F) OR |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2322 (pcch->ch_type EQ L2_CHANNEL_FACCH_H)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2323 AND |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2324 ((no_signalling_mode NEQ SIG_ONLY) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2325 #if defined(DELAYED_SABM) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2326 OR |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2327 /* suppress UI frames if delayed SABM is pending |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2328 * (independent from signalling mode) */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2329 (dl_data->dcch0_sabm_flag NEQ NOT_PRESENT_8BIT) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2330 #endif /* DELAYED_SABM */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2331 #if defined(DELAYED_RELEASE_IND) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2332 OR |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2333 (dl_data->release_ind_ch_type NEQ NOT_PRESENT_8BIT) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2334 #endif /* DELAYED_RELEASE_IND */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2335 )) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2336 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2337 TRACE_EVENT_WIN ("UPLINK_NULL return"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2338 return NULL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2339 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2340 /* break; not necessary */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2341 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2342 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2343 T_RADIO_FRAME* empty_frame; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2344 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2345 TRACE_EVENT_WIN ("UPLINK_EMPTY return"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2346 /* The use of one byte array instead of two T_RADIO_FRAME structures |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2347 * saves 21 byte. Casting is in this case the better way then two calls |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2348 * of memcpy. |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2349 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2350 if (pcch->ch_type EQ L2_CHANNEL_SACCH) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2351 empty_frame = (T_RADIO_FRAME*)(&l2_empty_frame[0]); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2352 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2353 empty_frame = (T_RADIO_FRAME*)(&l2_empty_frame[2]); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2354 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2355 ATRC (empty_frame, 23); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2356 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2357 return empty_frame; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2358 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2359 /* break; not necessary */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2360 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2361 case UPLINK_DCCH3: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2362 return dl_uplink (C_DCCH3, PS_SAPI_3, no_signalling_mode, TRUE); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2363 /* break; not necessary */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2364 }/* endswitch send */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2365 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2366 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2367 /* |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2368 * UPLINK_NORMAL, UPLINK_IFRAME (_P), UPLINK_UA (_F), |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2369 * UPLINK_RR (_F), UPLINK_REJ (_F) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2370 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2371 TRACE_EVENT_WIN_P5 ("%s SAPI=%u delete vtx=%s ->EMPTY_CMD (%s#%u)", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2372 CH_TYPE_NAME[pcch->ch_type], sapi, VTX_NAME[pcch->vtx], __FILE10__, __LINE__); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2373 pcch->vtx = EMPTY_CMD; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2374 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2375 possible_reset_dcch0_ch_type(); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2376 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2377 return p_l2_frame; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2378 }/* endfunc dl_uplink */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2379 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2380 static int uplink_idle (UBYTE channel, UBYTE sapi) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2381 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2382 GET_INSTANCE_DATA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2383 T_CCH* pcch = &dl_data->cch[channel]; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2384 int ret = UPLINK_NORMAL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2385 int ua_response = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2386 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2387 TRACE_EVENT_WIN_P3 ("uplink_idle(): %s %s SAPI=%d", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2388 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2389 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2390 switch (channel) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2391 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2392 case C_DCCH0: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2393 switch (pcch->vtx) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2394 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2395 case UA_CMD: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2396 ret = pcch->f_bit ? UPLINK_UA_F : UPLINK_UA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2397 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2398 case DM_CMD: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2399 com_build_DM_response (pcch->ch_type, sapi, pcch->f_bit); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2400 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2401 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2402 ret = UPLINK_EMPTY;/* no SAPI=3 frame if DCCH0 is idle */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2403 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2404 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2405 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2406 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2407 case C_DCCH3: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2408 switch (pcch->vtx) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2409 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2410 case UA_CMD: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2411 ua_response = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2412 ret = pcch->f_bit ? UPLINK_UA_F : UPLINK_UA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2413 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2414 case DM_CMD: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2415 com_build_DM_response (pcch->ch_type, PS_SAPI_3, 1); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2416 ret = UPLINK_NORMAL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2417 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2418 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2419 ret = UPLINK_EMPTY; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2420 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2421 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2422 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2423 }/* endswitch channel */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2424 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2425 if (ua_response AND (ret EQ UPLINK_UA_F)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2426 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2427 drr_dl_establish_ind (pcch->ch_type, sapi, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2428 (UBYTE)(com_queue_awaiting_transmission (sapi) ? DL_UNSERVED : DL_ALL_DONE)); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2429 set_channel_state (channel, STATE_MULTIPLE_FRAME_ESTABLISHED); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2430 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2431 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2432 return ret; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2433 }/* endfunc uplink_idle */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2434 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2435 static int uplink_awaiting_establishment (UBYTE channel, UBYTE sapi, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2436 UBYTE no_signalling_mode) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2437 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2438 GET_INSTANCE_DATA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2439 T_CCH* pcch = &dl_data->cch[channel]; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2440 int ret = UPLINK_NORMAL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2441 int ua_response = FALSE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2442 int sabm_command = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2443 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2444 TRACE_EVENT_WIN_P3 ("uplink_awaiting_establishment(): %s %s SAPI=%d", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2445 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2446 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2447 if (pcch->time_flag) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2448 set_T200_counter (pcch, sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2449 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2450 switch (channel) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2451 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2452 case C_DCCH0: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2453 if (pcch->vtx EQ SABM_CMD) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2454 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2455 if (pcch->contention_resolution) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2456 sabm_command = 2; /* com_build_SABM with L3 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2457 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2458 sabm_command = 1; /* com_build_SABM without L3 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2459 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2460 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2461 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2462 ret = UPLINK_EMPTY;/* no SAPI=0 frame is waiting transmission */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2463 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2464 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2465 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2466 case C_DCCH3: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2467 switch (pcch->vtx) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2468 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2469 case SABM_CMD: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2470 sabm_command = 1; /* com_build_SABM without L3 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2471 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2472 case UA_CMD: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2473 ua_response = TRUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2474 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2475 case DM_CMD: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2476 com_build_DM_response (pcch->ch_type, sapi, pcch->f_bit); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2477 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2478 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2479 ret = UPLINK_EMPTY; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2480 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2481 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2482 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2483 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2484 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2485 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2486 if (ua_response) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2487 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2488 drr_dl_establish_cnf (pcch->ch_type, sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2489 set_channel_state (channel, STATE_MULTIPLE_FRAME_ESTABLISHED); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2490 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2491 ret = pcch->f_bit ? UPLINK_UA_F : UPLINK_UA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2492 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2493 else if (sabm_command) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2494 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2495 com_build_SABM(pcch->ch_type, sapi, sabm_command EQ 2); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2496 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2497 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2498 return ret; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2499 }/* endfunc uplink_awaiting_establishment */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2500 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2501 static int uplink_mfe (UBYTE channel, UBYTE sapi, UBYTE no_signalling_mode) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2502 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2503 GET_INSTANCE_DATA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2504 T_CCH* pcch = &dl_data->cch[channel]; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2505 int ret = UPLINK_NORMAL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2506 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2507 TRACE_EVENT_WIN_P6 ("uplink_mfe(): %s:%s SAPI=%d vtx=%s (vs=%u va+1=%u)", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2508 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi, |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2509 VTX_NAME[pcch->vtx], pcch->vs, (pcch->va + 1)&7 ); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2510 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2511 if (pcch->time_flag) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2512 set_T200_counter (pcch, sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2513 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2514 switch (pcch->vtx) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2515 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2516 case RR_CMD: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2517 if (pcch->f_bit_flag) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2518 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2519 ret = UPLINK_RR_F; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2520 pcch->f_bit_flag = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2521 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2522 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2523 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2524 if (!com_queue_awaiting_transmission (sapi)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2525 ret = UPLINK_RR; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2526 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2527 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2528 if (pcch->vs EQ ((pcch->va + 1)&7)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2529 ret = UPLINK_RR; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2530 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2531 ret = UPLINK_IFRAME; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2532 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2533 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2534 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2535 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2536 case UA_CMD: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2537 ret = pcch->f_bit ? UPLINK_UA_F : UPLINK_UA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2538 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2539 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2540 case RR_RSP: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2541 ret = pcch->f_bit ? UPLINK_RR_F : UPLINK_RR; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2542 pcch->f_bit_flag = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2543 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2544 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2545 case REJ_CMD: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2546 ret = pcch->f_bit ? UPLINK_REJ_F : UPLINK_REJ; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2547 pcch->f_bit_flag = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2548 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2549 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2550 default: /* vtx = ELSE */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2551 switch (channel) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2552 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2553 case C_DCCH0: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2554 if (com_queue_awaiting_transmission (PS_SAPI_0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2555 AND |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2556 (pcch->vs NEQ ((pcch->va + 1)&7))) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2557 ret = UPLINK_IFRAME; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2558 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2559 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2560 ret = UPLINK_EMPTY;/* no SAPI=0 frame is waiting transmission */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2561 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2562 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2563 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2564 case C_DCCH3: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2565 if (com_queue_awaiting_transmission (PS_SAPI_3)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2566 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2567 if (pcch->vs EQ ((pcch->va + 1)&7)) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2568 ret = UPLINK_EMPTY; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2569 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2570 ret = UPLINK_IFRAME; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2571 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2572 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2573 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2574 ret = dcch3_check_disc (UPLINK_EMPTY);/* no SAPI=3 frame is waiting transmission */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2575 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2576 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2577 }/* endswitch channel */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2578 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2579 }/* endswitch vtx */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2580 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2581 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2582 return ret; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2583 }/* endfunc uplink_mfe */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2584 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2585 static int uplink_timer_recovery (UBYTE channel, UBYTE sapi, UBYTE no_signalling_mode) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2586 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2587 GET_INSTANCE_DATA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2588 T_CCH* pcch = &dl_data->cch[channel]; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2589 int ret = UPLINK_NORMAL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2590 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2591 TRACE_EVENT_WIN_P3 ("uplink_timer_recovery(): %s %s SAPI=%d", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2592 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2593 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2594 if (pcch->time_flag) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2595 set_T200_counter (pcch, sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2596 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2597 switch (pcch->vtx) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2598 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2599 case RR_CMD: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2600 if (pcch->f_bit_flag) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2601 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2602 ret = UPLINK_RR_F; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2603 pcch->f_bit_flag = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2604 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2605 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2606 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2607 if (pcch->p_bit_flag) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2608 ret = UPLINK_IFRAME_P; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2609 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2610 ret = UPLINK_RR; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2611 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2612 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2613 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2614 case UA_CMD: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2615 ret = pcch->f_bit ? UPLINK_UA_F : UPLINK_UA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2616 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2617 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2618 case RR_RSP: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2619 ret = pcch->f_bit ? UPLINK_RR_F : UPLINK_RR; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2620 pcch->f_bit_flag = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2621 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2622 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2623 case REJ_CMD: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2624 ret = pcch->f_bit ? UPLINK_REJ_F : UPLINK_REJ; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2625 pcch->f_bit_flag = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2626 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2627 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2628 default: /* vtx = ELSE */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2629 TRACE_EVENT_WIN_P3 ("%s SAPI=%u vtx=%s", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2630 CH_TYPE_NAME[pcch->ch_type], sapi, VTX_NAME[pcch->vtx]); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2631 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2632 if (pcch->p_bit_flag) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2633 ret = UPLINK_IFRAME_P; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2634 else |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2635 switch (channel) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2636 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2637 case C_DCCH0: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2638 ret = UPLINK_EMPTY;/* no SAPI=0 frame is waiting transmission */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2639 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2640 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2641 case C_DCCH3: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2642 ret = dcch3_check_disc (UPLINK_EMPTY);/* no SAPI=3 frame is waiting transmission */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2643 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2644 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2645 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2646 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2647 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2648 #if 0 /* decrement first short before sending the frame */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2649 if (ret EQ UPLINK_IFRAME_P) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2650 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2651 pcch->vs--; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2652 pcch->vs &= 7; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2653 pcch->p_bit_flag = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2654 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2655 #endif /* 0 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2656 return ret; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2657 }/* endfunc uplink_timer_recovery */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2658 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2659 GLOBAL int uplink_awaiting_release (UBYTE channel, UBYTE sapi) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2660 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2661 GET_INSTANCE_DATA; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2662 T_CCH* pcch = &dl_data->cch[channel]; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2663 int ret = UPLINK_NORMAL; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2664 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2665 TRACE_EVENT_WIN_P3 ("uplink_awaiting_release(): %s %s SAPI=%d", |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2666 PROCESS_NAME[channel], CH_TYPE_NAME[pcch->ch_type], sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2667 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2668 if (pcch->time_flag) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2669 set_T200_counter (pcch, sapi); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2670 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2671 switch (pcch->vtx) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2672 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2673 case DISC_CMD: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2674 /* DL_OFFLINE_TRACE (TRACE_DL_EVENT, channel, pcch->ch_type, "UL:Send DISC"); */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2675 com_build_DISC_command (pcch->ch_type, sapi, 1); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2676 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2677 case UA_CMD: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2678 set_channel_state (channel, STATE_IDLE_DL); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2679 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2680 #if defined(DELAYED_RELEASE_IND) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2681 switch (pcch->ch_type) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2682 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2683 #if defined(DL_FACCH_RELEASE_DELAY_VALUE) && (DL_FACCH_RELEASE_DELAY_VALUE > 0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2684 case L2_CHANNEL_FACCH_F: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2685 case L2_CHANNEL_FACCH_H: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2686 /* delay DL RELEASE IND to RR for testcase 25.2.3 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2687 dl_data->release_ind_ch_type = pcch->ch_type; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2688 dl_data->release_ind_sapi = sapi; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2689 if (dl_data->release_ind_delay EQ 0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2690 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2691 dl_data->release_ind_delay = DL_FACCH_RELEASE_DELAY_VALUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2692 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH0, pcch->ch_type, "delay REL IND on FACCH"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2693 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2694 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2695 #endif /* DL_FACCH_RELEASE_DELAY_VALUE */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2696 #if defined(DL_SDCCH_RELEASE_DELAY_VALUE) && (DL_SDCCH_RELEASE_DELAY_VALUE > 0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2697 case L2_CHANNEL_SDCCH: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2698 /* delay DL RELEASE IND to RR for testcase 25.2.3 */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2699 dl_data->release_ind_ch_type = pcch->ch_type; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2700 dl_data->release_ind_sapi = sapi; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2701 if (dl_data->release_ind_delay EQ 0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2702 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2703 dl_data->release_ind_delay = DL_SDCCH_RELEASE_DELAY_VALUE; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2704 DL_OFFLINE_TRACE (TRACE_DL_EVENT, channel, pcch->ch_type, "delay REL IND on SDCCH"); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2705 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2706 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2707 #endif /* DL_SDCCH_RELEASE_DELAY_VALUE */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2708 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2709 drr_dl_release_ind (pcch->ch_type, sapi, NOT_PRESENT_8BIT, TRUE); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2710 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2711 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2712 #else /* DELAYED_RELEASE_IND */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2713 drr_dl_release_ind (pcch->ch_type, sapi, NOT_PRESENT_8BIT, TRUE); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2714 #endif /* DELAYED_RELEASE_IND */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2715 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2716 #if defined(LATE_LEAVING_DEDICATED) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2717 com_leave_dedicated (pcch->ch_type); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2718 #endif /* LATE_LEAVING_DEDICATED */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2719 ret = UPLINK_UA_F; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2720 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2721 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2722 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2723 switch (pcch->ch_type) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2724 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2725 case L2_CHANNEL_SACCH: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2726 if (channel EQ C_DCCH0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2727 ret = UPLINK_REPORT; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2728 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2729 default: |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2730 if (channel EQ C_DCCH0) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2731 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2732 pcch = &dl_data->cch[C_DCCH3]; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2733 if (pcch->time_flag) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2734 set_T200_counter (pcch, PS_SAPI_3); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2735 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2736 ret = UPLINK_EMPTY; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2737 break; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2738 }/* endswitch channel */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2739 }/* endswitch vtx */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2740 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2741 return ret; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2742 }/* endfunc uplink_awaiting_release */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2743 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2744 #if defined(CHECK_PCCHI) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2745 static void check_pcch_i (T_CCH_INTERN* pcch_i, int line) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2746 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2747 char buf[23]; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2748 int ret = 0; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2749 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2750 if (pcch_i EQ NULL) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2751 ret = -1; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2752 else if (pcch_i->pcch EQ NULL) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2753 ret = -2; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2754 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2755 if (ret) |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2756 { |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2757 sprintf (buf, "#%d pcch=NULL %d", line, -ret); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2758 DL_OFFLINE_TRACE (TRACE_DL_EVENT, TRACE_CH_UNKNOWN, 0,buf); |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2759 } |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2760 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2761 return ret; |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2762 }/* endfunc check_pcch_i */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2763 #endif /* CHECK_PCCHI */ |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2764 |
fa8dc04885d8
src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2765 #endif /* DL_C */ |