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gerrit.osmocom.org / osmo-pcu / 5081806f4d41ceccf5b5421c9644113ac41e2524 / . / src / mslot_class.c
blob: 19fea3ed433ea7ab402f9d7739e7dfdcaab9ff74 [file] [log] [blame]
Max842d7812017-11-01 18:11:24 +0100[diff] [blame]1/* mslot_class.c
2 *
3 * Copyright (C) 2012 Ivan Klyuchnikov
4 * Copyright (C) 2012 Andreas Eversberg <jolly@eversberg.eu>
5 * Copyright (C) 2013 by Holger Hans Peter Freyther
6 * Copyright (C) 2017 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 */
22
23#include <mslot_class.h>
24
25#include <osmocom/core/utils.h>
26#include <osmocom/core/logging.h>
27
28#include <errno.h>
29
30/* 3GPP TS 05.02 Annex B.1 */
31
32struct gprs_ms_multislot_class {
33 uint8_t rx, tx, sum; /* Maximum Number of Slots: RX, Tx, Sum Rx+Tx */
34 uint8_t ta, tb, ra, rb; /* Minimum Number of Slots */
35 uint8_t type; /* Type of Mobile */
36};
37
38static const struct gprs_ms_multislot_class gprs_ms_multislot_class[32] = {
39 /* M-S Class | Max # of slots | Min # of slots | Type */
40 /* | Rx Tx Sum | Tta Ttb Tra Trb | */
41 /* N/A */ { MS_NA, MS_NA, MS_NA, MS_NA, MS_NA, MS_NA, MS_NA, MS_NA },
42 /* 1 */ { 1, 1, 2, 3, 2, 4, 2, 1 },
43 /* 2 */ { 2, 1, 3, 3, 2, 3, 1, 1 },
44 /* 3 */ { 2, 2, 3, 3, 2, 3, 1, 1 },
45 /* 4 */ { 3, 1, 4, 3, 1, 3, 1, 1 },
46 /* 5 */ { 2, 2, 4, 3, 1, 3, 1, 1 },
47 /* 6 */ { 3, 2, 4, 3, 1, 3, 1, 1 },
48 /* 7 */ { 3, 3, 4, 3, 1, 3, 1, 1 },
49 /* 8 */ { 4, 1, 5, 3, 1, 2, 1, 1 },
50 /* 9 */ { 3, 2, 5, 3, 1, 2, 1, 1 },
51 /* 10 */ { 4, 2, 5, 3, 1, 2, 1, 1 },
52 /* 11 */ { 4, 3, 5, 3, 1, 2, 1, 1 },
53 /* 12 */ { 4, 4, 5, 2, 1, 2, 1, 1 },
54 /* 13 */ { 3, 3, MS_NA, MS_NA, MS_A, 3, MS_A, 2 },
55 /* 14 */ { 4, 4, MS_NA, MS_NA, MS_A, 3, MS_A, 2 },
56 /* 15 */ { 5, 5, MS_NA, MS_NA, MS_A, 3, MS_A, 2 },
57 /* 16 */ { 6, 6, MS_NA, MS_NA, MS_A, 2, MS_A, 2 },
58 /* 17 */ { 7, 7, MS_NA, MS_NA, MS_A, 1, 0, 2 },
59 /* 18 */ { 8, 8, MS_NA, MS_NA, 0, 0, 0, 2 },
60 /* 19 */ { 6, 2, MS_NA, 3, MS_B, 2, MS_C, 1 },
61 /* 20 */ { 6, 3, MS_NA, 3, MS_B, 2, MS_C, 1 },
62 /* 21 */ { 6, 4, MS_NA, 3, MS_B, 2, MS_C, 1 },
63 /* 22 */ { 6, 4, MS_NA, 2, MS_B, 2, MS_C, 1 },
64 /* 23 */ { 6, 6, MS_NA, 2, MS_B, 2, MS_C, 1 },
65 /* 24 */ { 8, 2, MS_NA, 3, MS_B, 2, MS_C, 1 },
66 /* 25 */ { 8, 3, MS_NA, 3, MS_B, 2, MS_C, 1 },
67 /* 26 */ { 8, 4, MS_NA, 3, MS_B, 2, MS_C, 1 },
68 /* 27 */ { 8, 4, MS_NA, 2, MS_B, 2, MS_C, 1 },
69 /* 28 */ { 8, 6, MS_NA, 2, MS_B, 2, MS_C, 1 },
70 /* 29 */ { 8, 8, MS_NA, 2, MS_B, 2, MS_C, 1 },
71/* N/A */ { MS_NA,MS_NA, MS_NA, MS_NA, MS_NA, MS_NA, MS_NA, MS_NA },
72/* N/A */ { MS_NA,MS_NA, MS_NA, MS_NA, MS_NA, MS_NA, MS_NA, MS_NA },
73};
74
75static inline const struct gprs_ms_multislot_class *get_mslot_table(uint8_t ms_cl)
76{
77 uint8_t index = ms_cl ? ms_cl : DEFAULT_MSLOT_CLASS;
78
79 if (ms_cl >= ARRAY_SIZE(gprs_ms_multislot_class))
80 index = 0;
81
82 return &gprs_ms_multislot_class[index];
83}
84
Max327e1212017-11-21 13:01:19 +0100[diff] [blame]85uint8_t mslot_class_max()
86{
87 return ARRAY_SIZE(gprs_ms_multislot_class);
88}
89
Max842d7812017-11-01 18:11:24 +0100[diff] [blame]90uint8_t mslot_class_get_ta(uint8_t ms_cl)
91{
92 return get_mslot_table(ms_cl)->ta;
93}
94
95/* TODO: Set it to 1 if FH is implemented and enabled
96 * MS_A and MS_B are 0 iff FH is disabled and there is no Tx/Rx change.
97 * This is never the case with the current implementation, so 1 will always be used. */
98uint8_t mslot_class_get_tb(uint8_t ms_cl)
99{
100 const struct gprs_ms_multislot_class *t = get_mslot_table(ms_cl);
101
102 switch (t->tb) {
103 case MS_A:
104 return 0;
105 case MS_B:
106 return 1;
107 default:
108 return t->tb;
109 }
110}
111
112uint8_t mslot_class_get_ra(uint8_t ms_cl)
113{
114 return get_mslot_table(ms_cl)->ra;
115}
116
117uint8_t mslot_class_get_rb(uint8_t ms_cl)
118{
119 const struct gprs_ms_multislot_class *t = get_mslot_table(ms_cl);
120
121 switch (t->rb) {
122 case MS_A:
123 return 0;
124 case MS_C:
125 return 1;
126 default:
127 return t->rb;
128 }
129}
130
131uint8_t mslot_class_get_tx(uint8_t ms_cl)
132{
133 return get_mslot_table(ms_cl)->tx;
134}
135
136uint8_t mslot_class_get_rx(uint8_t ms_cl)
137{
138 return get_mslot_table(ms_cl)->rx;
139}
140
141uint8_t mslot_class_get_sum(uint8_t ms_cl)
142{
143 return get_mslot_table(ms_cl)->sum;
144}
145
146uint8_t mslot_class_get_type(uint8_t ms_cl)
147{
148 return get_mslot_table(ms_cl)->type;
149}