2017-11-01 17:11:24 +00:00
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/* mslot_class.c
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*
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* Copyright (C) 2012 Ivan Klyuchnikov
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* Copyright (C) 2012 Andreas Eversberg <jolly@eversberg.eu>
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* Copyright (C) 2013 by Holger Hans Peter Freyther
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* Copyright (C) 2017 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <mslot_class.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/logging.h>
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#include <errno.h>
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/* 3GPP TS 05.02 Annex B.1 */
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struct gprs_ms_multislot_class {
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uint8_t rx, tx, sum; /* Maximum Number of Slots: RX, Tx, Sum Rx+Tx */
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uint8_t ta, tb, ra, rb; /* Minimum Number of Slots */
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uint8_t type; /* Type of Mobile */
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};
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static const struct gprs_ms_multislot_class gprs_ms_multislot_class[32] = {
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/* M-S Class | Max # of slots | Min # of slots | Type */
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/* | Rx Tx Sum | Tta Ttb Tra Trb | */
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/* N/A */ { MS_NA, MS_NA, MS_NA, MS_NA, MS_NA, MS_NA, MS_NA, MS_NA },
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/* 1 */ { 1, 1, 2, 3, 2, 4, 2, 1 },
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/* 2 */ { 2, 1, 3, 3, 2, 3, 1, 1 },
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/* 3 */ { 2, 2, 3, 3, 2, 3, 1, 1 },
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/* 4 */ { 3, 1, 4, 3, 1, 3, 1, 1 },
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/* 5 */ { 2, 2, 4, 3, 1, 3, 1, 1 },
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/* 6 */ { 3, 2, 4, 3, 1, 3, 1, 1 },
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/* 7 */ { 3, 3, 4, 3, 1, 3, 1, 1 },
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/* 8 */ { 4, 1, 5, 3, 1, 2, 1, 1 },
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/* 9 */ { 3, 2, 5, 3, 1, 2, 1, 1 },
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/* 10 */ { 4, 2, 5, 3, 1, 2, 1, 1 },
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/* 11 */ { 4, 3, 5, 3, 1, 2, 1, 1 },
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/* 12 */ { 4, 4, 5, 2, 1, 2, 1, 1 },
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/* 13 */ { 3, 3, MS_NA, MS_NA, MS_A, 3, MS_A, 2 },
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/* 14 */ { 4, 4, MS_NA, MS_NA, MS_A, 3, MS_A, 2 },
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/* 15 */ { 5, 5, MS_NA, MS_NA, MS_A, 3, MS_A, 2 },
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/* 16 */ { 6, 6, MS_NA, MS_NA, MS_A, 2, MS_A, 2 },
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/* 17 */ { 7, 7, MS_NA, MS_NA, MS_A, 1, 0, 2 },
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/* 18 */ { 8, 8, MS_NA, MS_NA, 0, 0, 0, 2 },
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/* 19 */ { 6, 2, MS_NA, 3, MS_B, 2, MS_C, 1 },
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/* 20 */ { 6, 3, MS_NA, 3, MS_B, 2, MS_C, 1 },
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/* 21 */ { 6, 4, MS_NA, 3, MS_B, 2, MS_C, 1 },
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/* 22 */ { 6, 4, MS_NA, 2, MS_B, 2, MS_C, 1 },
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/* 23 */ { 6, 6, MS_NA, 2, MS_B, 2, MS_C, 1 },
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/* 24 */ { 8, 2, MS_NA, 3, MS_B, 2, MS_C, 1 },
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/* 25 */ { 8, 3, MS_NA, 3, MS_B, 2, MS_C, 1 },
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/* 26 */ { 8, 4, MS_NA, 3, MS_B, 2, MS_C, 1 },
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/* 27 */ { 8, 4, MS_NA, 2, MS_B, 2, MS_C, 1 },
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/* 28 */ { 8, 6, MS_NA, 2, MS_B, 2, MS_C, 1 },
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/* 29 */ { 8, 8, MS_NA, 2, MS_B, 2, MS_C, 1 },
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/* N/A */ { MS_NA,MS_NA, MS_NA, MS_NA, MS_NA, MS_NA, MS_NA, MS_NA },
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/* N/A */ { MS_NA,MS_NA, MS_NA, MS_NA, MS_NA, MS_NA, MS_NA, MS_NA },
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};
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static inline const struct gprs_ms_multislot_class *get_mslot_table(uint8_t ms_cl)
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{
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uint8_t index = ms_cl ? ms_cl : DEFAULT_MSLOT_CLASS;
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if (ms_cl >= ARRAY_SIZE(gprs_ms_multislot_class))
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index = 0;
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return &gprs_ms_multislot_class[index];
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}
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2017-11-21 12:01:19 +00:00
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uint8_t mslot_class_max()
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{
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return ARRAY_SIZE(gprs_ms_multislot_class);
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}
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2017-11-01 17:11:24 +00:00
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uint8_t mslot_class_get_ta(uint8_t ms_cl)
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{
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return get_mslot_table(ms_cl)->ta;
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}
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/* TODO: Set it to 1 if FH is implemented and enabled
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* MS_A and MS_B are 0 iff FH is disabled and there is no Tx/Rx change.
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* This is never the case with the current implementation, so 1 will always be used. */
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uint8_t mslot_class_get_tb(uint8_t ms_cl)
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{
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const struct gprs_ms_multislot_class *t = get_mslot_table(ms_cl);
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switch (t->tb) {
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case MS_A:
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return 0;
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case MS_B:
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return 1;
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default:
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return t->tb;
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}
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}
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uint8_t mslot_class_get_ra(uint8_t ms_cl)
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{
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return get_mslot_table(ms_cl)->ra;
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}
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uint8_t mslot_class_get_rb(uint8_t ms_cl)
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{
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const struct gprs_ms_multislot_class *t = get_mslot_table(ms_cl);
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switch (t->rb) {
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case MS_A:
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return 0;
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case MS_C:
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return 1;
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default:
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return t->rb;
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}
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}
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uint8_t mslot_class_get_tx(uint8_t ms_cl)
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{
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return get_mslot_table(ms_cl)->tx;
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}
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uint8_t mslot_class_get_rx(uint8_t ms_cl)
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{
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return get_mslot_table(ms_cl)->rx;
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}
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uint8_t mslot_class_get_sum(uint8_t ms_cl)
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{
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return get_mslot_table(ms_cl)->sum;
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}
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uint8_t mslot_class_get_type(uint8_t ms_cl)
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{
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return get_mslot_table(ms_cl)->type;
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}
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