Holger Hans Peter Freyther | 17c31ce | 2013-08-24 18:31:27 +0200 | [diff] [blame] | 1 | /* Copied from gprs_bssgp_pcu.cpp |
| 2 | * |
| 3 | * Copyright (C) 2012 Ivan Klyuchnikov |
Holger Hans Peter Freyther | 8692128 | 2013-08-24 21:26:42 +0200 | [diff] [blame] | 4 | * Copyright (C) 2012 Andreas Eversberg <jolly@eversberg.eu> |
Holger Hans Peter Freyther | 17c31ce | 2013-08-24 18:31:27 +0200 | [diff] [blame] | 5 | * Copyright (C) 2013 by Holger Hans Peter Freyther |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License |
| 9 | * as published by the Free Software Foundation; either version 2 |
| 10 | * of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 20 | */ |
| 21 | |
Pau Espin Pedrol | a0cbde7 | 2020-03-26 15:56:15 +0100 | [diff] [blame] | 22 | #include <new> |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 23 | #include <sstream> |
Pau Espin Pedrol | a0cbde7 | 2020-03-26 15:56:15 +0100 | [diff] [blame] | 24 | |
Holger Hans Peter Freyther | 67ed34e | 2013-10-17 17:01:54 +0200 | [diff] [blame] | 25 | #include <bts.h> |
Holger Hans Peter Freyther | 17c31ce | 2013-08-24 18:31:27 +0200 | [diff] [blame] | 26 | #include <tbf.h> |
Pau Espin Pedrol | 9d1cdb1 | 2019-09-25 17:47:02 +0200 | [diff] [blame] | 27 | #include <tbf_dl.h> |
| 28 | #include <tbf_ul.h> |
Holger Hans Peter Freyther | d11290b | 2013-10-26 17:32:04 +0200 | [diff] [blame] | 29 | #include <rlc.h> |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 30 | #include <encoding.h> |
Holger Hans Peter Freyther | 17c31ce | 2013-08-24 18:31:27 +0200 | [diff] [blame] | 31 | #include <gprs_rlcmac.h> |
| 32 | #include <gprs_debug.h> |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 33 | #include <gprs_ms.h> |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 34 | #include <pcu_utils.h> |
Max | 1187a77 | 2018-01-26 13:31:42 +0100 | [diff] [blame] | 35 | #include <gprs_ms_storage.h> |
Max | 1187a77 | 2018-01-26 13:31:42 +0100 | [diff] [blame] | 36 | #include <sba.h> |
Max | 1187a77 | 2018-01-26 13:31:42 +0100 | [diff] [blame] | 37 | #include <gsm_timer.h> |
Max | 6dc90b8 | 2018-02-19 17:17:28 +0100 | [diff] [blame] | 38 | #include <pdch.h> |
Holger Hans Peter Freyther | 17c31ce | 2013-08-24 18:31:27 +0200 | [diff] [blame] | 39 | |
| 40 | extern "C" { |
| 41 | #include <osmocom/core/msgb.h> |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 42 | #include <osmocom/core/utils.h> |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 43 | #include <osmocom/core/talloc.h> |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 44 | #include <osmocom/core/stats.h> |
Max | 467f633 | 2017-12-20 18:13:29 +0100 | [diff] [blame] | 45 | #include <osmocom/core/logging.h> |
Stefan Sperling | f0f7df1 | 2018-05-25 15:12:30 +0200 | [diff] [blame] | 46 | #include <osmocom/core/timer_compat.h> |
Pau Espin Pedrol | 980ef1e | 2020-03-26 15:06:11 +0100 | [diff] [blame] | 47 | #include <osmocom/core/bitvec.h> |
| 48 | #include <osmocom/core/rate_ctr.h> |
| 49 | #include <osmocom/gsm/protocol/gsm_04_08.h> |
Pau Espin Pedrol | b2653fe | 2020-03-26 15:14:01 +0100 | [diff] [blame] | 50 | |
| 51 | #include "gsm_rlcmac.h" |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 52 | #include "coding_scheme.h" |
Holger Hans Peter Freyther | 17c31ce | 2013-08-24 18:31:27 +0200 | [diff] [blame] | 53 | } |
| 54 | |
| 55 | #include <errno.h> |
| 56 | #include <string.h> |
| 57 | |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 58 | extern void *tall_pcu_ctx; |
| 59 | |
Pau Espin Pedrol | 442198c | 2020-10-23 22:30:04 +0200 | [diff] [blame] | 60 | unsigned int next_tbf_ctr_group_id = 0; /* Incrementing group id */ |
Pau Espin Pedrol | 0926901 | 2018-07-10 15:44:47 +0200 | [diff] [blame] | 61 | |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 62 | static void tbf_timer_cb(void *_tbf); |
| 63 | |
Max | cac6b66 | 2018-01-24 11:00:17 +0100 | [diff] [blame] | 64 | const struct value_string gprs_rlcmac_tbf_poll_state_names[] = { |
| 65 | OSMO_VALUE_STRING(GPRS_RLCMAC_POLL_NONE), |
| 66 | OSMO_VALUE_STRING(GPRS_RLCMAC_POLL_SCHED), /* a polling was scheduled */ |
| 67 | { 0, NULL } |
| 68 | }; |
| 69 | |
Max | e66de5b | 2017-01-05 18:26:58 +0100 | [diff] [blame] | 70 | const struct value_string gprs_rlcmac_tbf_dl_ass_state_names[] = { |
| 71 | OSMO_VALUE_STRING(GPRS_RLCMAC_DL_ASS_NONE), |
| 72 | OSMO_VALUE_STRING(GPRS_RLCMAC_DL_ASS_SEND_ASS), |
| 73 | OSMO_VALUE_STRING(GPRS_RLCMAC_DL_ASS_WAIT_ACK), |
| 74 | { 0, NULL } |
| 75 | }; |
| 76 | |
| 77 | const struct value_string gprs_rlcmac_tbf_ul_ass_state_names[] = { |
| 78 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ASS_NONE), |
| 79 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ASS_SEND_ASS), |
| 80 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ASS_SEND_ASS_REJ), |
| 81 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ASS_WAIT_ACK), |
| 82 | { 0, NULL } |
| 83 | }; |
| 84 | |
Max | 088c7df | 2018-01-23 20:16:23 +0100 | [diff] [blame] | 85 | const struct value_string gprs_rlcmac_tbf_ul_ack_state_names[] = { |
| 86 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ACK_NONE), |
| 87 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ACK_SEND_ACK), /* send acknowledge on next RTS */ |
| 88 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ACK_WAIT_ACK), /* wait for PACKET CONTROL ACK */ |
| 89 | { 0, NULL } |
| 90 | }; |
| 91 | |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 92 | static const struct value_string tbf_counters_names[] = { |
| 93 | OSMO_VALUE_STRING(N3101), |
| 94 | OSMO_VALUE_STRING(N3103), |
| 95 | OSMO_VALUE_STRING(N3105), |
| 96 | { 0, NULL } |
| 97 | }; |
| 98 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 99 | static const struct value_string tbf_timers_names[] = { |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 100 | OSMO_VALUE_STRING(T0), |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 101 | OSMO_VALUE_STRING(T3169), |
| 102 | OSMO_VALUE_STRING(T3191), |
| 103 | OSMO_VALUE_STRING(T3193), |
| 104 | OSMO_VALUE_STRING(T3195), |
| 105 | { 0, NULL } |
| 106 | }; |
| 107 | |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 108 | static const struct rate_ctr_desc tbf_ctr_description[] = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 109 | { "rlc:nacked", "RLC Nacked " }, |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 110 | }; |
| 111 | |
Pau Espin Pedrol | 442198c | 2020-10-23 22:30:04 +0200 | [diff] [blame] | 112 | const struct rate_ctr_group_desc tbf_ctrg_desc = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 113 | "pcu:tbf", |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 114 | "TBF Statistics", |
| 115 | OSMO_STATS_CLASS_SUBSCRIBER, |
| 116 | ARRAY_SIZE(tbf_ctr_description), |
| 117 | tbf_ctr_description, |
| 118 | }; |
| 119 | |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 120 | gprs_rlcmac_tbf::Meas::Meas() : |
| 121 | rssi_sum(0), |
| 122 | rssi_num(0) |
| 123 | { |
Stefan Sperling | f0f7df1 | 2018-05-25 15:12:30 +0200 | [diff] [blame] | 124 | timespecclear(&rssi_tv); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 125 | } |
| 126 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 127 | gprs_rlcmac_tbf::gprs_rlcmac_tbf(struct gprs_rlcmac_bts *bts_, GprsMs *ms, gprs_rlcmac_tbf_direction dir) : |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 128 | state_flags(0), |
Jacob Erlbeck | 6835cea | 2015-08-21 15:24:02 +0200 | [diff] [blame] | 129 | direction(dir), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 130 | trx(NULL), |
| 131 | first_ts(0), |
| 132 | first_common_ts(0), |
| 133 | control_ts(0xff), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 134 | poll_fn(0), |
Jacob Erlbeck | 8eb1714 | 2016-01-22 17:58:17 +0100 | [diff] [blame] | 135 | poll_ts(0), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 136 | fT(0), |
| 137 | num_fT_exp(0), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 138 | was_releasing(0), |
| 139 | upgrade_to_multislot(0), |
| 140 | bts(bts_), |
| 141 | m_tfi(0), |
| 142 | m_created_ts(0), |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 143 | m_ctrs(NULL), |
Max | 5081806 | 2017-12-06 13:35:08 +0100 | [diff] [blame] | 144 | state(GPRS_RLCMAC_NULL), |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 145 | m_ms(ms), |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 146 | dl_ass_state(GPRS_RLCMAC_DL_ASS_NONE), |
| 147 | ul_ass_state(GPRS_RLCMAC_UL_ASS_NONE), |
Max | 088c7df | 2018-01-23 20:16:23 +0100 | [diff] [blame] | 148 | ul_ack_state(GPRS_RLCMAC_UL_ACK_NONE), |
Max | cac6b66 | 2018-01-24 11:00:17 +0100 | [diff] [blame] | 149 | poll_state(GPRS_RLCMAC_POLL_NONE), |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 150 | m_egprs_enabled(false) |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 151 | { |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 152 | /* The classes of these members do not have proper constructors yet. |
| 153 | * Just set them to 0 like talloc_zero did */ |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 154 | memset(&pdch, 0, sizeof(pdch)); |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 155 | memset(&Tarr, 0, sizeof(Tarr)); |
| 156 | memset(&Narr, 0, sizeof(Narr)); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 157 | memset(&gsm_timer, 0, sizeof(gsm_timer)); |
| 158 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 159 | memset(&m_ms_list, 0, sizeof(m_ms_list)); |
| 160 | m_ms_list.entry = this; |
| 161 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 162 | memset(&m_bts_list, 0, sizeof(m_bts_list)); |
| 163 | m_bts_list.entry = this; |
| 164 | |
Pau Espin Pedrol | 0b0748a | 2018-05-16 15:20:39 +0200 | [diff] [blame] | 165 | m_rlc.init(); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 166 | m_llc.init(); |
| 167 | |
| 168 | m_name_buf[0] = '\0'; |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 169 | } |
| 170 | |
Daniel Willmann | ca102af | 2014-08-08 12:14:12 +0200 | [diff] [blame] | 171 | gprs_rlcmac_bts *gprs_rlcmac_tbf::bts_data() const |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 172 | { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 173 | return bts; |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 174 | } |
| 175 | |
Jacob Erlbeck | 8759735 | 2015-05-18 11:56:50 +0200 | [diff] [blame] | 176 | uint32_t gprs_rlcmac_tbf::tlli() const |
| 177 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 178 | return m_ms ? ms_tlli(m_ms) : GSM_RESERVED_TMSI; |
Jacob Erlbeck | 8759735 | 2015-05-18 11:56:50 +0200 | [diff] [blame] | 179 | } |
| 180 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 181 | const char *gprs_rlcmac_tbf::imsi() const |
Holger Hans Peter Freyther | d868928 | 2013-08-24 20:51:06 +0200 | [diff] [blame] | 182 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 183 | return ms_imsi(m_ms); |
Holger Hans Peter Freyther | d868928 | 2013-08-24 20:51:06 +0200 | [diff] [blame] | 184 | } |
| 185 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 186 | uint8_t gprs_rlcmac_tbf::ta() const |
| 187 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 188 | return ms_ta(m_ms); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | void gprs_rlcmac_tbf::set_ta(uint8_t ta) |
| 192 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 193 | ms_set_ta(m_ms, ta); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 194 | } |
| 195 | |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 196 | uint8_t gprs_rlcmac_tbf::ms_class() const |
| 197 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 198 | return ms_ms_class(m_ms); |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 199 | } |
| 200 | |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 201 | enum CodingScheme gprs_rlcmac_tbf::current_cs() const |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 202 | { |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 203 | enum CodingScheme cs; |
| 204 | |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 205 | if (direction == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 206 | cs = m_ms ? ms_current_cs_ul(m_ms) : UNKNOWN; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 207 | else |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 208 | cs = m_ms ? ms_current_cs_dl(m_ms) : UNKNOWN; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 209 | |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 210 | return cs; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 211 | } |
| 212 | |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 213 | gprs_llc_queue *gprs_rlcmac_tbf::llc_queue() |
| 214 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 215 | return m_ms ? ms_llc_queue(m_ms) : NULL; |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 216 | } |
| 217 | |
| 218 | const gprs_llc_queue *gprs_rlcmac_tbf::llc_queue() const |
| 219 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 220 | return ms_llc_queue(m_ms); |
Alexander Couzens | d38b92e | 2016-08-21 19:38:30 +0200 | [diff] [blame] | 221 | } |
| 222 | |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 223 | void gprs_rlcmac_tbf::set_ms(GprsMs *ms) |
| 224 | { |
| 225 | if (m_ms == ms) |
| 226 | return; |
| 227 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 228 | if (m_ms) { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 229 | ms_detach_tbf(m_ms, this); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 230 | } |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 231 | |
| 232 | m_ms = ms; |
| 233 | |
| 234 | if (m_ms) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 235 | ms_attach_tbf(m_ms, this); |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 236 | } |
| 237 | |
Jacob Erlbeck | be0cbc1 | 2015-05-18 14:35:11 +0200 | [diff] [blame] | 238 | void gprs_rlcmac_tbf::update_ms(uint32_t tlli, enum gprs_rlcmac_tbf_direction dir) |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 239 | { |
Vadim Yanitskiy | cb98894 | 2020-11-08 13:27:35 +0700 | [diff] [blame] | 240 | if (tlli == GSM_RESERVED_TMSI) |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 241 | return; |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 242 | |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 243 | /* TODO: When the TLLI does not match the ms, check if there is another |
| 244 | * MS object that belongs to that TLLI and if yes make sure one of them |
| 245 | * gets deleted. This is the same problem that can arise with |
Pau Espin Pedrol | 528820d | 2020-10-26 12:40:11 +0100 | [diff] [blame] | 246 | * IMSI in gprs_rlcmac_dl_tbf::handle() so there should be a unified solution */ |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 247 | if (!ms_check_tlli(ms(), tlli)) { |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 248 | GprsMs *old_ms; |
| 249 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 250 | old_ms = bts_ms_store(bts)->get_ms(tlli, 0, NULL); |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 251 | if (old_ms) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 252 | ms_merge_and_clear_ms(ms(), old_ms); |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 253 | } |
| 254 | |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 255 | if (dir == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 256 | ms_set_tlli(ms(), tlli); |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 257 | else |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 258 | ms_confirm_tlli(ms(), tlli); |
Daniel Willmann | e481815 | 2014-08-15 16:52:09 +0200 | [diff] [blame] | 259 | } |
| 260 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 261 | static void tbf_unlink_pdch(struct gprs_rlcmac_tbf *tbf) |
| 262 | { |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 263 | int ts; |
| 264 | |
Jacob Erlbeck | ccc34e4 | 2015-06-29 13:45:05 +0200 | [diff] [blame] | 265 | for (ts = 0; ts < 8; ts++) { |
| 266 | if (!tbf->pdch[ts]) |
| 267 | continue; |
| 268 | |
| 269 | tbf->pdch[ts]->detach_tbf(tbf); |
| 270 | tbf->pdch[ts] = NULL; |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 271 | } |
| 272 | } |
| 273 | |
| 274 | void tbf_free(struct gprs_rlcmac_tbf *tbf) |
| 275 | { |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 276 | /* update counters */ |
| 277 | if (tbf->direction == GPRS_RLCMAC_UL_TBF) { |
sivasankari | da7250a | 2016-12-16 12:57:18 +0530 | [diff] [blame] | 278 | gprs_rlcmac_ul_tbf *ul_tbf = as_ul_tbf(tbf); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 279 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_UL_FREED); |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 280 | if (tbf->state_is(GPRS_RLCMAC_FLOW)) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 281 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_UL_ABORTED); |
sivasankari | da7250a | 2016-12-16 12:57:18 +0530 | [diff] [blame] | 282 | rate_ctr_group_free(ul_tbf->m_ul_egprs_ctrs); |
| 283 | rate_ctr_group_free(ul_tbf->m_ul_gprs_ctrs); |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 284 | } else { |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 285 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(tbf); |
| 286 | if (tbf->is_egprs_enabled()) { |
| 287 | rate_ctr_group_free(dl_tbf->m_dl_egprs_ctrs); |
| 288 | } else { |
| 289 | rate_ctr_group_free(dl_tbf->m_dl_gprs_ctrs); |
| 290 | } |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 291 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_DL_FREED); |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 292 | if (tbf->state_is(GPRS_RLCMAC_FLOW)) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 293 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_DL_ABORTED); |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 294 | } |
| 295 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 296 | /* Give final measurement report */ |
| 297 | gprs_rlcmac_rssi_rep(tbf); |
Daniel Willmann | 418a423 | 2014-08-08 11:21:04 +0200 | [diff] [blame] | 298 | if (tbf->direction == GPRS_RLCMAC_DL_TBF) { |
Jacob Erlbeck | aa9daa1 | 2015-12-28 18:49:12 +0100 | [diff] [blame] | 299 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(tbf); |
Jacob Erlbeck | f04a5b3 | 2016-01-21 20:42:40 +0100 | [diff] [blame] | 300 | |
| 301 | dl_tbf->abort(); |
Jacob Erlbeck | d0261b7 | 2015-04-02 13:58:09 +0200 | [diff] [blame] | 302 | dl_tbf->cleanup(); |
Daniel Willmann | 418a423 | 2014-08-08 11:21:04 +0200 | [diff] [blame] | 303 | } |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 304 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 305 | LOGPTBF(tbf, LOGL_INFO, "free\n"); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 306 | tbf->stop_timers("freeing TBF"); |
Max | 5a6bcfb | 2017-09-01 14:36:44 +0200 | [diff] [blame] | 307 | /* TODO: Could/Should generate bssgp_tx_llc_discarded */ |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 308 | tbf_unlink_pdch(tbf); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 309 | llist_del(tbf_bts_list(tbf)); |
Holger Hans Peter Freyther | 1587764 | 2013-10-27 09:50:15 +0100 | [diff] [blame] | 310 | |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 311 | if (tbf->ms()) |
| 312 | tbf->set_ms(NULL); |
| 313 | |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 314 | rate_ctr_group_free(tbf->m_ctrs); |
| 315 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 316 | LOGP(DTBF, LOGL_DEBUG, "********** %s-TBF ends here **********\n", |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 317 | (tbf->direction != GPRS_RLCMAC_UL_TBF) ? "DL" : "UL"); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 318 | talloc_free(tbf); |
| 319 | } |
| 320 | |
Max | 9d7357e | 2017-12-14 15:02:33 +0100 | [diff] [blame] | 321 | uint16_t egprs_window_size(const struct gprs_rlcmac_bts *bts_data, uint8_t slots) |
| 322 | { |
| 323 | uint8_t num_pdch = pcu_bitcount(slots); |
| 324 | |
| 325 | return OSMO_MIN((num_pdch != 1) ? (128 * num_pdch) : 192, |
Pau Espin Pedrol | 519d071 | 2021-01-14 14:30:03 +0100 | [diff] [blame] | 326 | OSMO_MAX(64, (the_pcu->vty.ws_base + num_pdch * the_pcu->vty.ws_pdch) / 32 * 32)); |
Max | 9d7357e | 2017-12-14 15:02:33 +0100 | [diff] [blame] | 327 | } |
| 328 | |
Jacob Erlbeck | e0c734d | 2015-07-03 14:03:33 +0200 | [diff] [blame] | 329 | int gprs_rlcmac_tbf::update() |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 330 | { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 331 | struct gprs_rlcmac_bts *bts_data = bts; |
Jacob Erlbeck | e0c734d | 2015-07-03 14:03:33 +0200 | [diff] [blame] | 332 | int rc; |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 333 | |
Holger Hans Peter Freyther | aa9c326 | 2013-10-26 17:49:36 +0200 | [diff] [blame] | 334 | if (direction != GPRS_RLCMAC_DL_TBF) |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 335 | return -EINVAL; |
| 336 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 337 | LOGP(DTBF, LOGL_DEBUG, "********** DL-TBF update **********\n"); |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 338 | |
Holger Hans Peter Freyther | aa9c326 | 2013-10-26 17:49:36 +0200 | [diff] [blame] | 339 | tbf_unlink_pdch(this); |
Pau Espin Pedrol | ac3fd12 | 2021-01-13 18:54:38 +0100 | [diff] [blame] | 340 | rc = the_pcu->alloc_algorithm(bts_data, ms(), this, false, -1); |
Holger Hans Peter Freyther | 90b87ea | 2013-10-27 10:38:31 +0100 | [diff] [blame] | 341 | /* if no resource */ |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 342 | if (rc < 0) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 343 | LOGPTBF(this, LOGL_ERROR, "No resource after update???\n"); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 344 | return -rc; |
| 345 | } |
| 346 | |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 347 | if (is_egprs_enabled()) { |
| 348 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
| 349 | if (dl_tbf) |
Max | 9d7357e | 2017-12-14 15:02:33 +0100 | [diff] [blame] | 350 | dl_tbf->set_window_size(); |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 351 | } |
| 352 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 353 | return 0; |
| 354 | } |
| 355 | |
| 356 | int tbf_assign_control_ts(struct gprs_rlcmac_tbf *tbf) |
| 357 | { |
| 358 | if (tbf->control_ts == 0xff) |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 359 | LOGPTBF(tbf, LOGL_INFO, "Setting Control TS %d\n", |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 360 | tbf->first_common_ts); |
| 361 | else if (tbf->control_ts != tbf->first_common_ts) |
Pau Espin Pedrol | 7fd9a29 | 2020-11-30 12:18:38 +0100 | [diff] [blame] | 362 | LOGPTBF(tbf, LOGL_INFO, "Changing Control TS %d -> %d\n", |
| 363 | tbf->control_ts, tbf->first_common_ts); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 364 | tbf->control_ts = tbf->first_common_ts; |
| 365 | |
| 366 | return 0; |
| 367 | } |
| 368 | |
Daniel Willmann | eb10024 | 2014-08-08 11:43:53 +0200 | [diff] [blame] | 369 | const char *gprs_rlcmac_tbf::tbf_state_name[] = { |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 370 | "NULL", |
| 371 | "ASSIGN", |
| 372 | "FLOW", |
| 373 | "FINISHED", |
| 374 | "WAIT RELEASE", |
| 375 | "RELEASING", |
| 376 | }; |
| 377 | |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 378 | void gprs_rlcmac_tbf::n_reset(enum tbf_counters n) |
| 379 | { |
| 380 | if (n >= N_MAX) { |
| 381 | LOGPTBF(this, LOGL_ERROR, "attempting to reset unknown counter %s\n", |
| 382 | get_value_string(tbf_counters_names, n)); |
| 383 | return; |
| 384 | } |
| 385 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 386 | Narr[n] = 0; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 387 | } |
| 388 | |
| 389 | /* Increment counter and check for MAX value (return true if we hit it) */ |
| 390 | bool gprs_rlcmac_tbf::n_inc(enum tbf_counters n) |
| 391 | { |
| 392 | uint8_t chk; |
| 393 | |
| 394 | if (n >= N_MAX) { |
| 395 | LOGPTBF(this, LOGL_ERROR, "attempting to increment unknown counter %s\n", |
| 396 | get_value_string(tbf_counters_names, n)); |
| 397 | return true; |
| 398 | } |
| 399 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 400 | Narr[n]++; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 401 | |
| 402 | switch(n) { |
| 403 | case N3101: |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 404 | chk = bts->n3101; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 405 | break; |
| 406 | case N3103: |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 407 | chk = bts->n3103; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 408 | break; |
| 409 | case N3105: |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 410 | chk = bts->n3105; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 411 | break; |
| 412 | default: |
| 413 | LOGPTBF(this, LOGL_ERROR, "unhandled counter %s\n", |
| 414 | get_value_string(tbf_counters_names, n)); |
| 415 | return true; |
| 416 | } |
| 417 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 418 | if (Narr[n] == chk) { |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 419 | LOGPTBF(this, LOGL_NOTICE, "%s exceeded MAX (%u)\n", |
| 420 | get_value_string(tbf_counters_names, n), chk); |
| 421 | return true; |
| 422 | } |
| 423 | |
| 424 | return false; |
| 425 | } |
| 426 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 427 | void gprs_rlcmac_tbf::t_stop(enum tbf_timers t, const char *reason) |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 428 | { |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 429 | if (t >= T_MAX) { |
| 430 | LOGPTBF(this, LOGL_ERROR, "attempting to stop unknown timer %s [%s]\n", |
| 431 | get_value_string(tbf_timers_names, t), reason); |
Max | 0bc982e | 2017-12-21 18:58:50 +0100 | [diff] [blame] | 432 | return; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 433 | } |
| 434 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 435 | if (osmo_timer_pending(&Tarr[t])) { |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 436 | LOGPTBF(this, LOGL_DEBUG, "stopping timer %s [%s]\n", |
| 437 | get_value_string(tbf_timers_names, t), reason); |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 438 | osmo_timer_del(&Tarr[t]); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 439 | } |
| 440 | } |
| 441 | |
| 442 | /* check if any of T31xx timer(s) are pending */ |
| 443 | bool gprs_rlcmac_tbf::timers_pending(enum tbf_timers t) |
| 444 | { |
| 445 | uint8_t i; |
| 446 | |
| 447 | if (t != T_MAX) |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 448 | return osmo_timer_pending(&Tarr[t]); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 449 | |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 450 | /* we don't start with T0 because it's internal timer which requires special handling */ |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 451 | for (i = T3169; i < T_MAX; i++) |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 452 | if (osmo_timer_pending(&Tarr[i])) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 453 | return true; |
| 454 | |
| 455 | return false; |
| 456 | } |
| 457 | |
| 458 | void gprs_rlcmac_tbf::stop_timers(const char *reason) |
| 459 | { |
| 460 | uint8_t i; |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 461 | /* we start with T0 because timer reset does not require any special handling */ |
| 462 | for (i = T0; i < T_MAX; i++) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 463 | t_stop((enum tbf_timers)i, reason); |
Holger Hans Peter Freyther | 86300bb | 2013-10-26 18:01:35 +0200 | [diff] [blame] | 464 | } |
| 465 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 466 | static inline void tbf_timeout_free(struct gprs_rlcmac_tbf *tbf, enum tbf_timers t, bool run_diag) |
| 467 | { |
| 468 | LOGPTBF(tbf, LOGL_NOTICE, "%s timeout expired, freeing TBF\n", |
| 469 | get_value_string(tbf_timers_names, t)); |
| 470 | |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 471 | if (run_diag) { |
| 472 | LOGPTBF(tbf, LOGL_NOTICE, "%s timeout expired, freeing TBF: %s\n", |
| 473 | get_value_string(tbf_timers_names, t), tbf->rlcmac_diag().c_str()); |
| 474 | } else { |
| 475 | LOGPTBF(tbf, LOGL_NOTICE, "%s timeout expired, freeing TBF\n", |
| 476 | get_value_string(tbf_timers_names, t)); |
| 477 | } |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 478 | |
| 479 | tbf_free(tbf); |
| 480 | } |
| 481 | |
| 482 | #define T_CBACK(t, diag) static void cb_##t(void *_tbf) { tbf_timeout_free((struct gprs_rlcmac_tbf *)_tbf, t, diag); } |
| 483 | |
| 484 | T_CBACK(T3169, true) |
| 485 | T_CBACK(T3191, true) |
| 486 | T_CBACK(T3193, false) |
| 487 | T_CBACK(T3195, true) |
| 488 | |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 489 | void gprs_rlcmac_tbf::t_start(enum tbf_timers t, int T, const char *reason, bool force, |
Max | 467f633 | 2017-12-20 18:13:29 +0100 | [diff] [blame] | 490 | const char *file, unsigned line) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 491 | { |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 492 | int current_fn = get_current_fn(); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 493 | int sec; |
| 494 | int microsec; |
| 495 | struct osmo_tdef *tdef; |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 496 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 497 | if (!(tdef = osmo_tdef_get_entry(bts->T_defs_bts, T))) |
Pau Espin Pedrol | 924aaad | 2021-01-14 12:01:42 +0100 | [diff] [blame] | 498 | tdef = osmo_tdef_get_entry(bts->pcu->T_defs, T); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 499 | |
| 500 | if (t >= T_MAX || !tdef) { |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 501 | LOGPSRC(DTBF, LOGL_ERROR, file, line, "%s attempting to start unknown timer %s [%s], cur_fn=%d\n", |
| 502 | tbf_name(this), get_value_string(tbf_timers_names, t), reason, current_fn); |
Max | 0bc982e | 2017-12-21 18:58:50 +0100 | [diff] [blame] | 503 | return; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 504 | } |
| 505 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 506 | if (!force && osmo_timer_pending(&Tarr[t])) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 507 | return; |
| 508 | |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 509 | switch (tdef->unit) { |
| 510 | case OSMO_TDEF_MS: |
| 511 | sec = 0; |
| 512 | microsec = tdef->val * 1000; |
| 513 | break; |
| 514 | case OSMO_TDEF_S: |
| 515 | sec = tdef->val; |
| 516 | microsec = 0; |
| 517 | break; |
| 518 | default: |
| 519 | /* so far only timers using MS and S */ |
| 520 | OSMO_ASSERT(false); |
| 521 | } |
| 522 | |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 523 | LOGPSRC(DTBF, LOGL_DEBUG, file, line, "%s %sstarting timer %s [%s] with %u sec. %u microsec, cur_fn=%d\n", |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 524 | tbf_name(this), osmo_timer_pending(&Tarr[t]) ? "re" : "", |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 525 | get_value_string(tbf_timers_names, t), reason, sec, microsec, current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 526 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 527 | Tarr[t].data = this; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 528 | |
| 529 | switch(t) { |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 530 | case T0: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 531 | Tarr[t].cb = tbf_timer_cb; |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 532 | break; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 533 | case T3169: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 534 | Tarr[t].cb = cb_T3169; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 535 | break; |
| 536 | case T3191: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 537 | Tarr[t].cb = cb_T3191; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 538 | break; |
| 539 | case T3193: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 540 | Tarr[t].cb = cb_T3193; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 541 | break; |
| 542 | case T3195: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 543 | Tarr[t].cb = cb_T3195; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 544 | break; |
| 545 | default: |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 546 | LOGPSRC(DTBF, LOGL_ERROR, file, line, "%s attempting to set callback for unknown timer %s [%s], cur_fn=%d\n", |
| 547 | tbf_name(this), get_value_string(tbf_timers_names, t), reason, current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 548 | } |
| 549 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 550 | osmo_timer_schedule(&Tarr[t], sec, microsec); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 551 | } |
| 552 | |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 553 | int gprs_rlcmac_tbf::check_polling(uint32_t fn, uint8_t ts, |
| 554 | uint32_t *poll_fn_, unsigned int *rrbp_) |
| 555 | { |
Max | 9dabfa2 | 2017-05-16 16:10:45 +0200 | [diff] [blame] | 556 | uint32_t new_poll_fn = next_fn(fn, 13); |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 557 | |
| 558 | if (!is_control_ts(ts)) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 559 | LOGPTBF(this, LOGL_DEBUG, "Polling cannot be " |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 560 | "scheduled in this TS %d (first control TS %d)\n", |
| 561 | ts, control_ts); |
| 562 | return -EINVAL; |
| 563 | } |
| 564 | if (poll_state != GPRS_RLCMAC_POLL_NONE) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 565 | LOGPTBF(this, LOGL_DEBUG, "Polling is already scheduled\n"); |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 566 | return -EBUSY; |
| 567 | } |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 568 | if (bts_sba(bts)->find(trx->trx_no, ts, next_fn(fn, 13))) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 569 | LOGPTBF(this, LOGL_DEBUG, "Polling is already scheduled " |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 570 | "for single block allocation at FN %d TS %d ...\n", |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 571 | new_poll_fn, ts); |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 572 | return -EBUSY; |
| 573 | } |
| 574 | |
| 575 | *poll_fn_ = new_poll_fn; |
| 576 | *rrbp_ = 0; |
| 577 | |
| 578 | return 0; |
| 579 | } |
| 580 | |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 581 | void gprs_rlcmac_tbf::set_polling(uint32_t new_poll_fn, uint8_t ts, enum gprs_rlcmac_tbf_poll_type t) |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 582 | { |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 583 | const char *chan = "UNKNOWN"; |
| 584 | |
| 585 | if (state_flags & (1 << (GPRS_RLCMAC_FLAG_CCCH))) |
| 586 | chan = "CCCH"; |
| 587 | |
| 588 | if (state_flags & (1 << (GPRS_RLCMAC_FLAG_PACCH))) |
| 589 | chan = "PACCH"; |
| 590 | |
| 591 | if ((state_flags & (1 << (GPRS_RLCMAC_FLAG_PACCH))) && (state_flags & (1 << (GPRS_RLCMAC_FLAG_CCCH)))) |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 592 | LOGPTBFDL(this, LOGL_ERROR, |
| 593 | "Attempt to schedule polling on %s (FN=%d, TS=%d) with both CCCH and PACCH flags set - FIXME!\n", |
| 594 | chan, poll_fn, poll_ts); |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 595 | |
| 596 | /* schedule polling */ |
| 597 | poll_state = GPRS_RLCMAC_POLL_SCHED; |
| 598 | poll_fn = new_poll_fn; |
| 599 | poll_ts = ts; |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 600 | |
| 601 | switch (t) { |
| 602 | case GPRS_RLCMAC_POLL_UL_ASS: |
| 603 | ul_ass_state = GPRS_RLCMAC_UL_ASS_WAIT_ACK; |
| 604 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 605 | LOGPTBFDL(this, LOGL_INFO, "Scheduled UL Assignment polling on %s (FN=%d, TS=%d)\n", |
| 606 | chan, poll_fn, poll_ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 607 | break; |
| 608 | case GPRS_RLCMAC_POLL_DL_ASS: |
| 609 | dl_ass_state = GPRS_RLCMAC_DL_ASS_WAIT_ACK; |
| 610 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 611 | LOGPTBFDL(this, LOGL_INFO, "Scheduled DL Assignment polling on %s (FN=%d, TS=%d)\n", |
| 612 | chan, poll_fn, poll_ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 613 | break; |
| 614 | case GPRS_RLCMAC_POLL_UL_ACK: |
| 615 | ul_ack_state = GPRS_RLCMAC_UL_ACK_WAIT_ACK; |
| 616 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 617 | LOGPTBFUL(this, LOGL_DEBUG, "Scheduled UL Acknowledgement polling on %s (FN=%d, TS=%d)\n", |
| 618 | chan, poll_fn, poll_ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 619 | break; |
| 620 | case GPRS_RLCMAC_POLL_DL_ACK: |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 621 | LOGPTBFDL(this, LOGL_DEBUG, "Scheduled DL Acknowledgement polling on %s (FN=%d, TS=%d)\n", |
| 622 | chan, poll_fn, poll_ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 623 | break; |
| 624 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 625 | } |
| 626 | |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 627 | void gprs_rlcmac_tbf::poll_timeout() |
| 628 | { |
Pau Espin Pedrol | d7c3265 | 2019-12-23 12:41:34 +0100 | [diff] [blame] | 629 | uint16_t pgroup; |
Max | fd13f6c | 2017-07-07 14:29:36 +0200 | [diff] [blame] | 630 | gprs_rlcmac_ul_tbf *ul_tbf = as_ul_tbf(this); |
| 631 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 632 | LOGPTBF(this, LOGL_NOTICE, "poll timeout for FN=%d, TS=%d (curr FN %d)\n", |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 633 | poll_fn, poll_ts, bts_current_frame_number(bts)); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 634 | |
| 635 | poll_state = GPRS_RLCMAC_POLL_NONE; |
| 636 | |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 637 | if (n_inc(N3101)) { |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 638 | TBF_SET_STATE(this, GPRS_RLCMAC_RELEASING); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 639 | T_START(this, T3169, 3169, "MAX N3101 reached", false); |
Max | 59e4a4f | 2017-12-20 18:01:55 +0100 | [diff] [blame] | 640 | return; |
| 641 | } |
| 642 | |
Max | fd13f6c | 2017-07-07 14:29:36 +0200 | [diff] [blame] | 643 | if (ul_tbf && ul_tbf->handle_ctrl_ack()) { |
| 644 | if (!ul_tbf->ctrl_ack_to_toggle()) { |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 645 | LOGPTBF(this, LOGL_NOTICE, |
| 646 | "Timeout for polling PACKET CONTROL ACK for PACKET UPLINK ACK: %s\n", |
| 647 | rlcmac_diag().c_str()); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 648 | } |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 649 | bts_do_rate_ctr_inc(bts, CTR_RLC_ACK_TIMEDOUT); |
| 650 | bts_do_rate_ctr_inc(bts, CTR_PUAN_POLL_TIMEDOUT); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 651 | if (state_is(GPRS_RLCMAC_FINISHED)) { |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 652 | if (ul_tbf->n_inc(N3103)) { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 653 | bts_do_rate_ctr_inc(bts, CTR_PUAN_POLL_FAILED); |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 654 | TBF_SET_STATE(ul_tbf, GPRS_RLCMAC_RELEASING); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 655 | T_START(ul_tbf, T3169, 3169, "MAX N3103 reached", false); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 656 | return; |
| 657 | } |
| 658 | /* reschedule UL ack */ |
Daniel Willmann | 6a16e0c | 2014-08-07 13:03:35 +0200 | [diff] [blame] | 659 | ul_tbf->ul_ack_state = GPRS_RLCMAC_UL_ACK_SEND_ACK; |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 660 | } |
Jacob Erlbeck | c91c18e | 2015-07-07 09:33:29 +0200 | [diff] [blame] | 661 | |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 662 | } else if (ul_ass_state == GPRS_RLCMAC_UL_ASS_WAIT_ACK) { |
| 663 | if (!(state_flags & (1 << GPRS_RLCMAC_FLAG_TO_UL_ASS))) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 664 | LOGPTBF(this, LOGL_NOTICE, |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 665 | "Timeout for polling PACKET CONTROL ACK for PACKET UPLINK ASSIGNMENT: %s\n", |
| 666 | rlcmac_diag().c_str()); |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 667 | state_flags |= (1 << GPRS_RLCMAC_FLAG_TO_UL_ASS); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 668 | } |
| 669 | ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 670 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_TIMEDOUT); |
| 671 | bts_do_rate_ctr_inc(bts, CTR_PUA_POLL_TIMEDOUT); |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 672 | if (n_inc(N3105)) { |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 673 | TBF_SET_STATE(this, GPRS_RLCMAC_RELEASING); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 674 | T_START(this, T3195, 3195, "MAX N3105 reached", true); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 675 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_FAILED); |
| 676 | bts_do_rate_ctr_inc(bts, CTR_PUA_POLL_FAILED); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 677 | return; |
| 678 | } |
| 679 | /* reschedule UL assignment */ |
| 680 | ul_ass_state = GPRS_RLCMAC_UL_ASS_SEND_ASS; |
| 681 | } else if (dl_ass_state == GPRS_RLCMAC_DL_ASS_WAIT_ACK) { |
| 682 | if (!(state_flags & (1 << GPRS_RLCMAC_FLAG_TO_DL_ASS))) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 683 | LOGPTBF(this, LOGL_NOTICE, |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 684 | "Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: %s\n", |
| 685 | rlcmac_diag().c_str()); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 686 | state_flags |= (1 << GPRS_RLCMAC_FLAG_TO_DL_ASS); |
| 687 | } |
| 688 | dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 689 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_TIMEDOUT); |
| 690 | bts_do_rate_ctr_inc(bts, CTR_PDA_POLL_TIMEDOUT); |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 691 | if (n_inc(N3105)) { |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 692 | TBF_SET_STATE(this, GPRS_RLCMAC_RELEASING); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 693 | T_START(this, T3195, 3195, "MAX N3105 reached", true); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 694 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_FAILED); |
| 695 | bts_do_rate_ctr_inc(bts, CTR_PDA_POLL_FAILED); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 696 | return; |
| 697 | } |
| 698 | /* reschedule DL assignment */ |
| 699 | dl_ass_state = GPRS_RLCMAC_DL_ASS_SEND_ASS; |
| 700 | } else if (direction == GPRS_RLCMAC_DL_TBF) { |
Jacob Erlbeck | aa9daa1 | 2015-12-28 18:49:12 +0100 | [diff] [blame] | 701 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
Daniel Willmann | 6a16e0c | 2014-08-07 13:03:35 +0200 | [diff] [blame] | 702 | |
| 703 | if (!(dl_tbf->state_flags & (1 << GPRS_RLCMAC_FLAG_TO_DL_ACK))) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 704 | LOGPTBF(this, LOGL_NOTICE, |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 705 | "Timeout for polling PACKET DOWNLINK ACK: %s\n", |
| 706 | dl_tbf->rlcmac_diag().c_str()); |
Daniel Willmann | 6a16e0c | 2014-08-07 13:03:35 +0200 | [diff] [blame] | 707 | dl_tbf->state_flags |= (1 << GPRS_RLCMAC_FLAG_TO_DL_ACK); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 708 | } |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 709 | |
Jacob Erlbeck | c91c18e | 2015-07-07 09:33:29 +0200 | [diff] [blame] | 710 | if (dl_tbf->state_is(GPRS_RLCMAC_RELEASING)) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 711 | bts_do_rate_ctr_inc(bts, CTR_RLC_REL_TIMEDOUT); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 712 | else { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 713 | bts_do_rate_ctr_inc(bts, CTR_RLC_ACK_TIMEDOUT); |
| 714 | bts_do_rate_ctr_inc(bts, CTR_PDAN_POLL_TIMEDOUT); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 715 | } |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 716 | |
| 717 | if (dl_tbf->n_inc(N3105)) { |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 718 | TBF_SET_STATE(dl_tbf, GPRS_RLCMAC_RELEASING); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 719 | T_START(dl_tbf, T3195, 3195, "MAX N3105 reached", true); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 720 | bts_do_rate_ctr_inc(bts, CTR_PDAN_POLL_FAILED); |
| 721 | bts_do_rate_ctr_inc(bts, CTR_RLC_ACK_FAILED); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 722 | return; |
| 723 | } |
| 724 | /* resend IMM.ASS on CCCH on timeout */ |
Daniel Willmann | 6a16e0c | 2014-08-07 13:03:35 +0200 | [diff] [blame] | 725 | if ((dl_tbf->state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH)) |
| 726 | && !(dl_tbf->state_flags & (1 << GPRS_RLCMAC_FLAG_DL_ACK))) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 727 | LOGPTBF(dl_tbf, LOGL_DEBUG, "Re-send dowlink assignment on PCH (IMSI=%s)\n", |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 728 | imsi()); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 729 | /* send immediate assignment */ |
Pau Espin Pedrol | d7c3265 | 2019-12-23 12:41:34 +0100 | [diff] [blame] | 730 | if ((pgroup = imsi2paging_group(imsi())) > 999) |
| 731 | LOGPTBF(dl_tbf, LOGL_ERROR, "IMSI to paging group failed! (%s)\n", imsi()); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 732 | bts_snd_dl_ass(dl_tbf->bts, dl_tbf, false, pgroup); |
Daniel Willmann | 7e994e3 | 2014-08-07 15:49:21 +0200 | [diff] [blame] | 733 | dl_tbf->m_wait_confirm = 1; |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 734 | } |
| 735 | } else |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 736 | LOGPTBF(this, LOGL_ERROR, "Poll Timeout, but no event!\n"); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 737 | } |
| 738 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 739 | int gprs_rlcmac_tbf::setup(int8_t use_trx, bool single_slot) |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 740 | { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 741 | struct gprs_rlcmac_bts *bts_data = bts; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 742 | int rc; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 743 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 744 | if (ms_mode(m_ms) != GPRS) |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 745 | enable_egprs(); |
Daniel Willmann | 1b3864f | 2014-07-30 13:25:19 +0200 | [diff] [blame] | 746 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 747 | m_created_ts = time(NULL); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 748 | /* select algorithm */ |
Pau Espin Pedrol | ac3fd12 | 2021-01-13 18:54:38 +0100 | [diff] [blame] | 749 | rc = the_pcu->alloc_algorithm(bts_data, m_ms, this, single_slot, use_trx); |
Holger Hans Peter Freyther | 90b87ea | 2013-10-27 10:38:31 +0100 | [diff] [blame] | 750 | /* if no resource */ |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 751 | if (rc < 0) { |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 752 | return -1; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 753 | } |
| 754 | /* assign control ts */ |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 755 | rc = tbf_assign_control_ts(this); |
Holger Hans Peter Freyther | 90b87ea | 2013-10-27 10:38:31 +0100 | [diff] [blame] | 756 | /* if no resource */ |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 757 | if (rc < 0) { |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 758 | return -1; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 759 | } |
| 760 | |
| 761 | /* set timestamp */ |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 762 | osmo_clock_gettime(CLOCK_MONOTONIC, &meas.rssi_tv); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 763 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 764 | LOGPTBF(this, LOGL_INFO, |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 765 | "Allocated: trx = %d, ul_slots = %02x, dl_slots = %02x\n", |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 766 | this->trx->trx_no, ul_slots(), dl_slots()); |
Jacob Erlbeck | 5879c64 | 2015-07-10 10:41:36 +0200 | [diff] [blame] | 767 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 768 | m_ctrs = rate_ctr_group_alloc(this, &tbf_ctrg_desc, next_tbf_ctr_group_id++); |
| 769 | if (!m_ctrs) { |
| 770 | LOGPTBF(this, LOGL_ERROR, "Couldn't allocate TBF counters\n"); |
Harald Welte | 9530a40 | 2017-07-12 00:46:36 +0200 | [diff] [blame] | 771 | return -1; |
| 772 | } |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 773 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 774 | ms_attach_tbf(m_ms, this); |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 775 | |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 776 | return 0; |
| 777 | } |
| 778 | |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 779 | static void tbf_timer_cb(void *_tbf) |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 780 | { |
| 781 | struct gprs_rlcmac_tbf *tbf = (struct gprs_rlcmac_tbf *)_tbf; |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 782 | tbf->handle_timeout(); |
| 783 | } |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 784 | |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 785 | void gprs_rlcmac_tbf::handle_timeout() |
| 786 | { |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 787 | int current_fn = get_current_fn(); |
| 788 | |
| 789 | LOGPTBF(this, LOGL_DEBUG, "timer 0 expired. cur_fn=%d\n", current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 790 | |
| 791 | /* assignment */ |
| 792 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_PACCH))) { |
| 793 | if (state_is(GPRS_RLCMAC_ASSIGN)) { |
| 794 | LOGPTBF(this, LOGL_NOTICE, "releasing due to PACCH assignment timeout.\n"); |
| 795 | tbf_free(this); |
| 796 | return; |
| 797 | } else |
| 798 | LOGPTBF(this, LOGL_ERROR, "Error: TBF is not in assign state\n"); |
| 799 | } |
| 800 | |
| 801 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH))) { |
| 802 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
| 803 | dl_tbf->m_wait_confirm = 0; |
| 804 | if (dl_tbf->state_is(GPRS_RLCMAC_ASSIGN)) { |
| 805 | tbf_assign_control_ts(dl_tbf); |
| 806 | |
| 807 | if (!dl_tbf->upgrade_to_multislot) { |
| 808 | /* change state to FLOW, so scheduler |
| 809 | * will start transmission */ |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 810 | TBF_SET_STATE(dl_tbf, GPRS_RLCMAC_FLOW); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 811 | return; |
| 812 | } |
| 813 | |
| 814 | /* This tbf can be upgraded to use multiple DL |
| 815 | * timeslots and now that there is already one |
| 816 | * slot assigned send another DL assignment via |
| 817 | * PDCH. */ |
| 818 | |
| 819 | /* keep to flags */ |
| 820 | dl_tbf->state_flags &= GPRS_RLCMAC_FLAG_TO_MASK; |
| 821 | |
| 822 | dl_tbf->update(); |
| 823 | |
| 824 | dl_tbf->trigger_ass(dl_tbf); |
| 825 | } else |
| 826 | LOGPTBF(dl_tbf, LOGL_NOTICE, "Continue flow after IMM.ASS confirm\n"); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 827 | } |
| 828 | } |
| 829 | |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 830 | std::string gprs_rlcmac_tbf::rlcmac_diag() |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 831 | { |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 832 | std::ostringstream os; |
| 833 | os << "|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 834 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH))) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 835 | os << "Assignment was on CCCH|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 836 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_PACCH))) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 837 | os << "Assignment was on PACCH|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 838 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_UL_DATA))) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 839 | os << "Uplink data was received|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 840 | else if (direction == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 841 | os << "No uplink data received yet|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 842 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_DL_ACK))) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 843 | os << "Downlink ACK was received|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 844 | else if (direction == GPRS_RLCMAC_DL_TBF) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 845 | os << "No downlink ACK received yet|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 846 | |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 847 | return os.str(); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 848 | } |
| 849 | |
Jacob Erlbeck | 5a3c84d | 2016-01-22 17:25:38 +0100 | [diff] [blame] | 850 | struct msgb *gprs_rlcmac_tbf::create_dl_ass(uint32_t fn, uint8_t ts) |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 851 | { |
| 852 | struct msgb *msg; |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 853 | struct gprs_rlcmac_dl_tbf *new_dl_tbf = NULL; |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 854 | RlcMacDownlink_t *mac_control_block = NULL; |
Holger Hans Peter Freyther | 9977e15 | 2013-11-24 22:52:10 +0100 | [diff] [blame] | 855 | int poll_ass_dl = 1; |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 856 | unsigned int rrbp = 0; |
| 857 | uint32_t new_poll_fn = 0; |
| 858 | int rc; |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 859 | bool old_tfi_is_valid = is_tfi_assigned(); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 860 | |
Jacob Erlbeck | 646da1b | 2016-01-22 17:41:33 +0100 | [diff] [blame] | 861 | if (direction == GPRS_RLCMAC_DL_TBF && !is_control_ts(ts)) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 862 | LOGPTBF(this, LOGL_NOTICE, |
Thorsten Alteholz | 8bb7904 | 2018-10-06 10:42:58 +0200 | [diff] [blame] | 863 | "Cannot poll for downlink assignment, because MS cannot reply. (TS=%d, first common TS=%d)\n", |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 864 | ts, first_common_ts); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 865 | poll_ass_dl = 0; |
| 866 | } |
| 867 | if (poll_ass_dl) { |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 868 | if (poll_state == GPRS_RLCMAC_POLL_SCHED && |
| 869 | ul_ass_state == GPRS_RLCMAC_UL_ASS_WAIT_ACK) |
| 870 | { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 871 | LOGPTBF(this, LOGL_DEBUG, |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 872 | "Polling is already scheduled, so we must wait for the uplink assignment...\n"); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 873 | return NULL; |
| 874 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 875 | rc = check_polling(fn, ts, &new_poll_fn, &rrbp); |
| 876 | if (rc < 0) |
| 877 | return NULL; |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 878 | } |
| 879 | |
| 880 | /* on uplink TBF we get the downlink TBF to be assigned. */ |
| 881 | if (direction == GPRS_RLCMAC_UL_TBF) { |
Jacob Erlbeck | aa9daa1 | 2015-12-28 18:49:12 +0100 | [diff] [blame] | 882 | gprs_rlcmac_ul_tbf *ul_tbf = as_ul_tbf(this); |
Daniel Willmann | b2886f1 | 2014-08-07 14:48:20 +0200 | [diff] [blame] | 883 | |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 884 | /* be sure to check first, if contention resolution is done, |
| 885 | * otherwise we cannot send the assignment yet */ |
Daniel Willmann | 7e994e3 | 2014-08-07 15:49:21 +0200 | [diff] [blame] | 886 | if (!ul_tbf->m_contention_resolution_done) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 887 | LOGPTBF(this, LOGL_DEBUG, |
| 888 | "Cannot assign DL TBF now, because contention resolution is not finished.\n"); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 889 | return NULL; |
| 890 | } |
Daniel Willmann | e481815 | 2014-08-15 16:52:09 +0200 | [diff] [blame] | 891 | } |
| 892 | |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 893 | if (ms()) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 894 | new_dl_tbf = ms_dl_tbf(ms()); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 895 | |
Daniel Willmann | b2886f1 | 2014-08-07 14:48:20 +0200 | [diff] [blame] | 896 | if (!new_dl_tbf) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 897 | LOGPTBFDL(this, LOGL_ERROR, |
| 898 | "We have a schedule for downlink assignment, but there is no downlink TBF\n"); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 899 | dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 900 | return NULL; |
| 901 | } |
| 902 | |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 903 | if (new_dl_tbf == as_dl_tbf(this)) |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 904 | LOGPTBF(this, LOGL_DEBUG, "New and old TBF are the same.\n"); |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 905 | |
| 906 | if (old_tfi_is_valid && !new_dl_tbf->is_tlli_valid()) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 907 | LOGPTBF(this, LOGL_ERROR, |
| 908 | "The old TFI is not assigned and there is no TLLI. New TBF %s\n", |
| 909 | new_dl_tbf->name()); |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 910 | dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 911 | return NULL; |
| 912 | } |
| 913 | |
Holger Hans Peter Freyther | f5c9747 | 2014-12-26 18:32:00 +0100 | [diff] [blame] | 914 | new_dl_tbf->was_releasing = was_releasing; |
Vadim Yanitskiy | c82c1f5 | 2020-08-21 19:53:32 +0700 | [diff] [blame] | 915 | msg = msgb_alloc(GSM_MACBLOCK_LEN, "rlcmac_dl_ass"); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 916 | if (!msg) |
| 917 | return NULL; |
Vadim Yanitskiy | e4bcd21 | 2020-08-21 19:45:09 +0700 | [diff] [blame] | 918 | |
| 919 | /* Initialize a bit vector that uses allocated msgb as the data buffer. |
| 920 | * Old G++ does not support non-trivial designated initializers. Sigh. */ |
| 921 | struct bitvec bv = { }; |
| 922 | bv.data = msgb_put(msg, GSM_MACBLOCK_LEN); |
| 923 | bv.data_len = GSM_MACBLOCK_LEN; |
| 924 | bitvec_unhex(&bv, DUMMY_VEC); |
| 925 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 926 | LOGPTBF(new_dl_tbf, LOGL_INFO, "start Packet Downlink Assignment (PACCH)\n"); |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 927 | mac_control_block = (RlcMacDownlink_t *)talloc_zero(tall_pcu_ctx, RlcMacDownlink_t); |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 928 | Encoding::write_packet_downlink_assignment(mac_control_block, |
| 929 | old_tfi_is_valid, m_tfi, (direction == GPRS_RLCMAC_DL_TBF), |
| 930 | new_dl_tbf, poll_ass_dl, rrbp, |
Pau Espin Pedrol | a281495 | 2021-01-14 12:53:53 +0100 | [diff] [blame] | 931 | the_pcu->vty.alpha, the_pcu->vty.gamma, -1, 0, |
Jacob Erlbeck | 166c9fc | 2016-01-07 16:04:29 +0100 | [diff] [blame] | 932 | is_egprs_enabled()); |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 933 | LOGP(DTBF, LOGL_DEBUG, "+++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++\n"); |
Vadim Yanitskiy | e4bcd21 | 2020-08-21 19:45:09 +0700 | [diff] [blame] | 934 | rc = encode_gsm_rlcmac_downlink(&bv, mac_control_block); |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 935 | if (rc < 0) { |
Pau Espin Pedrol | 8b4b19a | 2020-12-18 19:03:42 +0100 | [diff] [blame] | 936 | LOGP(DTBF, LOGL_ERROR, "Encoding of Packet Downlink Ass failed (%d)\n", rc); |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 937 | goto free_ret; |
| 938 | } |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 939 | LOGP(DTBF, LOGL_DEBUG, "------------------------- TX : Packet Downlink Assignment -------------------------\n"); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 940 | bts_do_rate_ctr_inc(bts, CTR_PKT_DL_ASSIGNMENT); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 941 | |
| 942 | if (poll_ass_dl) { |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 943 | set_polling(new_poll_fn, ts, GPRS_RLCMAC_POLL_DL_ASS); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 944 | } else { |
| 945 | dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 946 | TBF_SET_STATE(new_dl_tbf, GPRS_RLCMAC_FLOW); |
Daniel Willmann | b2886f1 | 2014-08-07 14:48:20 +0200 | [diff] [blame] | 947 | tbf_assign_control_ts(new_dl_tbf); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 948 | /* stop pending assignment timer */ |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 949 | new_dl_tbf->t_stop(T0, "assignment (DL-TBF)"); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 950 | |
| 951 | } |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 952 | |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 953 | talloc_free(mac_control_block); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 954 | return msg; |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 955 | |
| 956 | free_ret: |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 957 | talloc_free(mac_control_block); |
| 958 | msgb_free(msg); |
| 959 | return NULL; |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 960 | } |
| 961 | |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 962 | struct msgb *gprs_rlcmac_tbf::create_packet_access_reject() |
| 963 | { |
| 964 | struct msgb *msg; |
| 965 | |
Vadim Yanitskiy | c82c1f5 | 2020-08-21 19:53:32 +0700 | [diff] [blame] | 966 | msg = msgb_alloc(GSM_MACBLOCK_LEN, "rlcmac_ul_ass_rej"); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 967 | |
Vadim Yanitskiy | c82c1f5 | 2020-08-21 19:53:32 +0700 | [diff] [blame] | 968 | bitvec *packet_access_rej = bitvec_alloc(GSM_MACBLOCK_LEN, tall_pcu_ctx); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 969 | |
Max | 7426c5f | 2019-02-18 20:42:42 +0100 | [diff] [blame] | 970 | bitvec_unhex(packet_access_rej, DUMMY_VEC); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 971 | |
| 972 | Encoding::write_packet_access_reject( |
| 973 | packet_access_rej, tlli()); |
| 974 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 975 | bts_do_rate_ctr_inc(bts, CTR_PKT_ACCESS_REJ); |
sivasankari | 168911b | 2016-11-25 19:53:36 +0530 | [diff] [blame] | 976 | |
Vadim Yanitskiy | c82c1f5 | 2020-08-21 19:53:32 +0700 | [diff] [blame] | 977 | bitvec_pack(packet_access_rej, msgb_put(msg, GSM_MACBLOCK_LEN)); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 978 | |
| 979 | bitvec_free(packet_access_rej); |
| 980 | ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; |
| 981 | |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 982 | /* Start Tmr only if it is UL TBF */ |
| 983 | if (direction == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 984 | T_START(this, T0, -2000, "reject (PACCH)", true); |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 985 | |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 986 | return msg; |
| 987 | |
| 988 | } |
| 989 | |
Jacob Erlbeck | 5a3c84d | 2016-01-22 17:25:38 +0100 | [diff] [blame] | 990 | struct msgb *gprs_rlcmac_tbf::create_ul_ass(uint32_t fn, uint8_t ts) |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 991 | { |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 992 | struct msgb *msg = NULL; |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 993 | struct gprs_rlcmac_ul_tbf *new_tbf = NULL; |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 994 | RlcMacDownlink_t *mac_control_block = NULL; |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 995 | int rc; |
| 996 | unsigned int rrbp; |
| 997 | uint32_t new_poll_fn; |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 998 | |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 999 | if (poll_state == GPRS_RLCMAC_POLL_SCHED && |
| 1000 | ul_ass_state == GPRS_RLCMAC_UL_ASS_WAIT_ACK) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1001 | LOGPTBFUL(this, LOGL_DEBUG, |
| 1002 | "Polling is already scheduled, so we must wait for the uplink assignment...\n"); |
Vadim Yanitskiy | c74e217 | 2020-02-09 02:48:03 +0700 | [diff] [blame] | 1003 | return NULL; |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1004 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 1005 | |
| 1006 | rc = check_polling(fn, ts, &new_poll_fn, &rrbp); |
| 1007 | if (rc < 0) |
| 1008 | return NULL; |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1009 | |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 1010 | if (ms()) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 1011 | new_tbf = ms_ul_tbf(ms()); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1012 | if (!new_tbf) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1013 | LOGPTBFUL(this, LOGL_ERROR, |
| 1014 | "We have a schedule for uplink assignment, but there is no uplink TBF\n"); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1015 | ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; |
| 1016 | return NULL; |
| 1017 | } |
| 1018 | |
Vadim Yanitskiy | c82c1f5 | 2020-08-21 19:53:32 +0700 | [diff] [blame] | 1019 | msg = msgb_alloc(GSM_MACBLOCK_LEN, "rlcmac_ul_ass"); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1020 | if (!msg) |
| 1021 | return NULL; |
Vadim Yanitskiy | e4bcd21 | 2020-08-21 19:45:09 +0700 | [diff] [blame] | 1022 | |
| 1023 | /* Initialize a bit vector that uses allocated msgb as the data buffer. |
| 1024 | * Old G++ does not support non-trivial designated initializers. Sigh. */ |
| 1025 | struct bitvec bv = { }; |
| 1026 | bv.data = msgb_put(msg, GSM_MACBLOCK_LEN); |
| 1027 | bv.data_len = GSM_MACBLOCK_LEN; |
| 1028 | bitvec_unhex(&bv, DUMMY_VEC); |
| 1029 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1030 | LOGPTBF(new_tbf, LOGL_INFO, "start Packet Uplink Assignment (PACCH)\n"); |
Vadim Yanitskiy | db56a35 | 2020-08-22 02:05:28 +0700 | [diff] [blame] | 1031 | mac_control_block = (RlcMacDownlink_t *)talloc_zero(tall_pcu_ctx, RlcMacDownlink_t); |
| 1032 | Encoding::write_packet_uplink_assignment(mac_control_block, m_tfi, |
Jacob Erlbeck | 767193e | 2015-05-20 12:06:46 +0200 | [diff] [blame] | 1033 | (direction == GPRS_RLCMAC_DL_TBF), tlli(), |
Pau Espin Pedrol | a281495 | 2021-01-14 12:53:53 +0100 | [diff] [blame] | 1034 | is_tlli_valid(), new_tbf, 1, rrbp, the_pcu->vty.alpha, |
| 1035 | the_pcu->vty.gamma, -1, is_egprs_enabled()); |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1036 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1037 | LOGP(DTBF, LOGL_DEBUG, "+++++++++++++++++++++++++ TX : Packet Uplink Assignment +++++++++++++++++++++++++\n"); |
Vadim Yanitskiy | db56a35 | 2020-08-22 02:05:28 +0700 | [diff] [blame] | 1038 | rc = encode_gsm_rlcmac_downlink(&bv, mac_control_block); |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1039 | if (rc < 0) { |
Vadim Yanitskiy | db56a35 | 2020-08-22 02:05:28 +0700 | [diff] [blame] | 1040 | LOGP(DTBF, LOGL_ERROR, "Encoding of Packet Uplink Ass failed (%d)\n", rc); |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1041 | goto free_ret; |
| 1042 | } |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1043 | LOGP(DTBF, LOGL_DEBUG, "------------------------- TX : Packet Uplink Assignment -------------------------\n"); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 1044 | bts_do_rate_ctr_inc(bts, CTR_PKT_UL_ASSIGNMENT); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1045 | |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 1046 | set_polling(new_poll_fn, ts, GPRS_RLCMAC_POLL_UL_ASS); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1047 | |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1048 | talloc_free(mac_control_block); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1049 | return msg; |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1050 | |
| 1051 | free_ret: |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1052 | talloc_free(mac_control_block); |
| 1053 | msgb_free(msg); |
| 1054 | return NULL; |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1055 | } |
| 1056 | |
Holger Hans Peter Freyther | 964ddb6 | 2013-10-16 17:53:23 +0200 | [diff] [blame] | 1057 | void gprs_rlcmac_tbf::free_all(struct gprs_rlcmac_trx *trx) |
| 1058 | { |
Jacob Erlbeck | 3a10dbd | 2015-07-10 19:52:37 +0200 | [diff] [blame] | 1059 | for (uint8_t ts = 0; ts < 8; ts++) |
| 1060 | free_all(&trx->pdch[ts]); |
Holger Hans Peter Freyther | 964ddb6 | 2013-10-16 17:53:23 +0200 | [diff] [blame] | 1061 | } |
Holger Hans Peter Freyther | 4f6a4e5d | 2013-10-16 17:58:46 +0200 | [diff] [blame] | 1062 | |
| 1063 | void gprs_rlcmac_tbf::free_all(struct gprs_rlcmac_pdch *pdch) |
| 1064 | { |
| 1065 | for (uint8_t tfi = 0; tfi < 32; tfi++) { |
| 1066 | struct gprs_rlcmac_tbf *tbf; |
| 1067 | |
Daniel Willmann | 17a1d5e | 2014-05-30 20:21:30 +0200 | [diff] [blame] | 1068 | tbf = pdch->ul_tbf_by_tfi(tfi); |
Holger Hans Peter Freyther | 4f6a4e5d | 2013-10-16 17:58:46 +0200 | [diff] [blame] | 1069 | if (tbf) |
| 1070 | tbf_free(tbf); |
Daniel Willmann | 17a1d5e | 2014-05-30 20:21:30 +0200 | [diff] [blame] | 1071 | tbf = pdch->dl_tbf_by_tfi(tfi); |
Holger Hans Peter Freyther | 4f6a4e5d | 2013-10-16 17:58:46 +0200 | [diff] [blame] | 1072 | if (tbf) |
| 1073 | tbf_free(tbf); |
| 1074 | } |
| 1075 | } |
Holger Hans Peter Freyther | bd449f5 | 2013-10-27 16:39:36 +0100 | [diff] [blame] | 1076 | |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1077 | int gprs_rlcmac_tbf::establish_dl_tbf_on_pacch() |
| 1078 | { |
| 1079 | struct gprs_rlcmac_dl_tbf *new_tbf = NULL; |
| 1080 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 1081 | bts_do_rate_ctr_inc(bts, CTR_TBF_REUSED); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1082 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 1083 | new_tbf = tbf_alloc_dl_tbf(bts, ms(), |
Pau Espin Pedrol | 322456e | 2020-05-08 18:15:59 +0200 | [diff] [blame] | 1084 | this->trx->trx_no, false); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1085 | |
| 1086 | if (!new_tbf) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1087 | LOGP(DTBF, LOGL_NOTICE, "No PDCH resource\n"); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1088 | return -1; |
| 1089 | } |
| 1090 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1091 | LOGPTBF(this, LOGL_DEBUG, "Trigger downlink assignment on PACCH\n"); |
Max | a10c398 | 2017-07-07 18:25:41 +0200 | [diff] [blame] | 1092 | new_tbf->trigger_ass(this); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1093 | |
| 1094 | return 0; |
| 1095 | } |
| 1096 | |
Holger Hans Peter Freyther | bd449f5 | 2013-10-27 16:39:36 +0100 | [diff] [blame] | 1097 | const char *tbf_name(gprs_rlcmac_tbf *tbf) |
| 1098 | { |
Alexander Couzens | e04fd0c | 2016-05-31 13:18:01 +0200 | [diff] [blame] | 1099 | return tbf ? tbf->name() : "(no TBF)"; |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 1100 | } |
| 1101 | |
| 1102 | const char *gprs_rlcmac_tbf::name() const |
| 1103 | { |
| 1104 | snprintf(m_name_buf, sizeof(m_name_buf) - 1, |
Jacob Erlbeck | 5643f35 | 2015-11-27 16:17:40 +0100 | [diff] [blame] | 1105 | "TBF(TFI=%d TLLI=0x%08x DIR=%s STATE=%s%s)", |
Jacob Erlbeck | 767193e | 2015-05-20 12:06:46 +0200 | [diff] [blame] | 1106 | m_tfi, tlli(), |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 1107 | direction == GPRS_RLCMAC_UL_TBF ? "UL" : "DL", |
Jacob Erlbeck | 5643f35 | 2015-11-27 16:17:40 +0100 | [diff] [blame] | 1108 | state_name(), |
| 1109 | is_egprs_enabled() ? " EGPRS" : "" |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 1110 | ); |
| 1111 | m_name_buf[sizeof(m_name_buf) - 1] = '\0'; |
| 1112 | return m_name_buf; |
Holger Hans Peter Freyther | bd449f5 | 2013-10-27 16:39:36 +0100 | [diff] [blame] | 1113 | } |
Holger Hans Peter Freyther | 758dc12 | 2013-11-06 20:39:45 +0100 | [diff] [blame] | 1114 | |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 1115 | void gprs_rlcmac_tbf::rotate_in_list() |
| 1116 | { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 1117 | llist_del(tbf_bts_list((struct gprs_rlcmac_tbf *)this)); |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 1118 | if (direction == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 1119 | llist_add(tbf_bts_list((struct gprs_rlcmac_tbf *)this), &bts->ul_tbfs); |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 1120 | else |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 1121 | llist_add(tbf_bts_list((struct gprs_rlcmac_tbf *)this), &bts->dl_tbfs); |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 1122 | } |
Holger Hans Peter Freyther | 8f399de | 2013-12-25 20:22:35 +0100 | [diff] [blame] | 1123 | |
| 1124 | uint8_t gprs_rlcmac_tbf::tsc() const |
| 1125 | { |
| 1126 | return trx->pdch[first_ts].tsc; |
| 1127 | } |
Daniel Willmann | afa72f5 | 2014-01-15 17:06:19 +0100 | [diff] [blame] | 1128 | |
Jacob Erlbeck | 617c712 | 2015-06-30 09:18:30 +0200 | [diff] [blame] | 1129 | uint8_t gprs_rlcmac_tbf::dl_slots() const |
| 1130 | { |
| 1131 | uint8_t slots = 0; |
| 1132 | size_t i; |
| 1133 | |
| 1134 | if (direction == GPRS_RLCMAC_UL_TBF) |
| 1135 | return 0; |
| 1136 | |
| 1137 | for (i = 0; i < ARRAY_SIZE(pdch); i += 1) |
| 1138 | if (pdch[i]) |
| 1139 | slots |= 1 << i; |
| 1140 | |
| 1141 | return slots; |
| 1142 | } |
| 1143 | |
| 1144 | uint8_t gprs_rlcmac_tbf::ul_slots() const |
| 1145 | { |
| 1146 | uint8_t slots = 0; |
| 1147 | size_t i; |
| 1148 | |
| 1149 | if (direction == GPRS_RLCMAC_DL_TBF) { |
| 1150 | if (control_ts < 8) |
| 1151 | slots |= 1 << control_ts; |
| 1152 | if (first_common_ts < 8) |
| 1153 | slots |= 1 << first_common_ts; |
| 1154 | |
| 1155 | return slots; |
| 1156 | } |
| 1157 | |
| 1158 | for (i = 0; i < ARRAY_SIZE(pdch); i += 1) |
| 1159 | if (pdch[i]) |
| 1160 | slots |= 1 << i; |
| 1161 | |
| 1162 | return slots; |
| 1163 | } |
Jacob Erlbeck | 646da1b | 2016-01-22 17:41:33 +0100 | [diff] [blame] | 1164 | |
| 1165 | bool gprs_rlcmac_tbf::is_control_ts(uint8_t ts) const |
| 1166 | { |
| 1167 | return ts == control_ts; |
| 1168 | } |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 1169 | |
| 1170 | /* C API */ |
| 1171 | enum gprs_rlcmac_tbf_state tbf_state(const struct gprs_rlcmac_tbf *tbf) |
| 1172 | { |
| 1173 | return tbf->state; |
| 1174 | } |
| 1175 | |
| 1176 | enum gprs_rlcmac_tbf_direction tbf_direction(const struct gprs_rlcmac_tbf *tbf) |
| 1177 | { |
| 1178 | return tbf->direction; |
| 1179 | } |
| 1180 | |
| 1181 | void tbf_set_ms(struct gprs_rlcmac_tbf *tbf, GprsMs *ms) |
| 1182 | { |
| 1183 | tbf->set_ms(ms); |
| 1184 | } |
| 1185 | |
| 1186 | struct llist_head *tbf_ms_list(struct gprs_rlcmac_tbf *tbf) |
| 1187 | { |
| 1188 | return &tbf->m_ms_list.list; |
| 1189 | } |
| 1190 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame^] | 1191 | struct llist_head *tbf_bts_list(struct gprs_rlcmac_tbf *tbf) |
| 1192 | { |
| 1193 | return &tbf->m_bts_list.list; |
| 1194 | } |
| 1195 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 1196 | struct GprsMs *tbf_ms(struct gprs_rlcmac_tbf *tbf) |
| 1197 | { |
| 1198 | return tbf->ms(); |
| 1199 | } |
| 1200 | |
| 1201 | bool tbf_timers_pending(struct gprs_rlcmac_tbf *tbf, enum tbf_timers t) |
| 1202 | { |
| 1203 | return tbf->timers_pending(t); |
| 1204 | } |
| 1205 | |
| 1206 | struct gprs_llc *tbf_llc(struct gprs_rlcmac_tbf *tbf) |
| 1207 | { |
| 1208 | return &tbf->m_llc; |
| 1209 | } |
| 1210 | |
| 1211 | uint8_t tbf_first_common_ts(const struct gprs_rlcmac_tbf *tbf) |
| 1212 | { |
| 1213 | return tbf->first_common_ts; |
| 1214 | } |
| 1215 | |
| 1216 | uint8_t tbf_dl_slots(const struct gprs_rlcmac_tbf *tbf) |
| 1217 | { |
| 1218 | return tbf->dl_slots(); |
| 1219 | } |
| 1220 | uint8_t tbf_ul_slots(const struct gprs_rlcmac_tbf *tbf) |
| 1221 | { |
| 1222 | return tbf->ul_slots(); |
| 1223 | } |
| 1224 | |
| 1225 | bool tbf_is_tfi_assigned(const struct gprs_rlcmac_tbf *tbf) |
| 1226 | { |
| 1227 | return tbf->is_tfi_assigned(); |
| 1228 | } |