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 | 6dc90b8 | 2018-02-19 17:17:28 +0100 | [diff] [blame] | 37 | #include <pdch.h> |
Holger Hans Peter Freyther | 17c31ce | 2013-08-24 18:31:27 +0200 | [diff] [blame] | 38 | |
| 39 | extern "C" { |
| 40 | #include <osmocom/core/msgb.h> |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 41 | #include <osmocom/core/utils.h> |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 42 | #include <osmocom/core/talloc.h> |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 43 | #include <osmocom/core/stats.h> |
Max | 467f633 | 2017-12-20 18:13:29 +0100 | [diff] [blame] | 44 | #include <osmocom/core/logging.h> |
Stefan Sperling | f0f7df1 | 2018-05-25 15:12:30 +0200 | [diff] [blame] | 45 | #include <osmocom/core/timer_compat.h> |
Pau Espin Pedrol | 980ef1e | 2020-03-26 15:06:11 +0100 | [diff] [blame] | 46 | #include <osmocom/core/bitvec.h> |
| 47 | #include <osmocom/core/rate_ctr.h> |
| 48 | #include <osmocom/gsm/protocol/gsm_04_08.h> |
Pau Espin Pedrol | b2653fe | 2020-03-26 15:14:01 +0100 | [diff] [blame] | 49 | |
| 50 | #include "gsm_rlcmac.h" |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 51 | #include "coding_scheme.h" |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 52 | #include "nacc_fsm.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 | |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 62 | static const struct value_string tbf_counters_names[] = { |
| 63 | OSMO_VALUE_STRING(N3101), |
| 64 | OSMO_VALUE_STRING(N3103), |
| 65 | OSMO_VALUE_STRING(N3105), |
| 66 | { 0, NULL } |
| 67 | }; |
| 68 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 69 | static const struct value_string tbf_timers_names[] = { |
Pau Espin Pedrol | 4b6f0bf | 2021-05-10 18:54:52 +0200 | [diff] [blame] | 70 | OSMO_VALUE_STRING(T3141), |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 71 | OSMO_VALUE_STRING(T3191), |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 72 | { 0, NULL } |
| 73 | }; |
| 74 | |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 75 | static const struct rate_ctr_desc tbf_ctr_description[] = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 76 | { "rlc:nacked", "RLC Nacked " }, |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 77 | }; |
| 78 | |
Pau Espin Pedrol | 442198c | 2020-10-23 22:30:04 +0200 | [diff] [blame] | 79 | const struct rate_ctr_group_desc tbf_ctrg_desc = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 80 | "pcu:tbf", |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 81 | "TBF Statistics", |
| 82 | OSMO_STATS_CLASS_SUBSCRIBER, |
| 83 | ARRAY_SIZE(tbf_ctr_description), |
| 84 | tbf_ctr_description, |
| 85 | }; |
| 86 | |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 87 | gprs_rlcmac_tbf::Meas::Meas() : |
| 88 | rssi_sum(0), |
| 89 | rssi_num(0) |
| 90 | { |
Stefan Sperling | f0f7df1 | 2018-05-25 15:12:30 +0200 | [diff] [blame] | 91 | timespecclear(&rssi_tv); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 92 | } |
| 93 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 94 | gprs_rlcmac_tbf::gprs_rlcmac_tbf(struct gprs_rlcmac_bts *bts_, GprsMs *ms, gprs_rlcmac_tbf_direction dir) : |
Jacob Erlbeck | 6835cea | 2015-08-21 15:24:02 +0200 | [diff] [blame] | 95 | direction(dir), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 96 | trx(NULL), |
| 97 | first_ts(0), |
| 98 | first_common_ts(0), |
| 99 | control_ts(0xff), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 100 | fT(0), |
| 101 | num_fT_exp(0), |
Pau Espin Pedrol | 907f037 | 2021-07-29 16:34:04 +0200 | [diff] [blame] | 102 | upgrade_to_multislot(false), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 103 | bts(bts_), |
| 104 | m_tfi(0), |
| 105 | m_created_ts(0), |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 106 | m_ctrs(NULL), |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 107 | m_ms(ms), |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 108 | m_egprs_enabled(false) |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 109 | { |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 110 | /* The classes of these members do not have proper constructors yet. |
| 111 | * Just set them to 0 like talloc_zero did */ |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 112 | memset(&pdch, 0, sizeof(pdch)); |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 113 | memset(&Tarr, 0, sizeof(Tarr)); |
| 114 | memset(&Narr, 0, sizeof(Narr)); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 115 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 116 | memset(&m_ms_list, 0, sizeof(m_ms_list)); |
| 117 | m_ms_list.entry = this; |
| 118 | |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 119 | memset(&m_trx_list, 0, sizeof(m_trx_list)); |
| 120 | m_trx_list.entry = this; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 121 | |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 122 | memset(&state_fsm, 0, sizeof(state_fsm)); |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 123 | state_fsm.tbf = this; |
| 124 | state_fsm.fi = osmo_fsm_inst_alloc(&tbf_fsm, this, &state_fsm, LOGL_INFO, NULL); |
Pau Espin Pedrol | b5bad20 | 2021-10-09 17:03:25 +0200 | [diff] [blame] | 125 | OSMO_ASSERT(state_fsm.fi); |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 126 | |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 127 | memset(&ul_ass_fsm, 0, sizeof(ul_ass_fsm)); |
| 128 | ul_ass_fsm.tbf = this; |
| 129 | ul_ass_fsm.fi = osmo_fsm_inst_alloc(&tbf_ul_ass_fsm, this, &ul_ass_fsm, LOGL_INFO, NULL); |
Pau Espin Pedrol | b5bad20 | 2021-10-09 17:03:25 +0200 | [diff] [blame] | 130 | OSMO_ASSERT(ul_ass_fsm.fi); |
Pau Espin Pedrol | 49a2f40 | 2021-07-27 17:33:07 +0200 | [diff] [blame] | 131 | memset(&dl_ass_fsm, 0, sizeof(dl_ass_fsm)); |
| 132 | dl_ass_fsm.tbf = this; |
| 133 | dl_ass_fsm.fi = osmo_fsm_inst_alloc(&tbf_dl_ass_fsm, this, &dl_ass_fsm, LOGL_INFO, NULL); |
Pau Espin Pedrol | b5bad20 | 2021-10-09 17:03:25 +0200 | [diff] [blame] | 134 | OSMO_ASSERT(dl_ass_fsm.fi); |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 135 | |
Pau Espin Pedrol | 0b0748a | 2018-05-16 15:20:39 +0200 | [diff] [blame] | 136 | m_rlc.init(); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 137 | m_llc.init(); |
| 138 | |
| 139 | m_name_buf[0] = '\0'; |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 140 | } |
| 141 | |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 142 | |
| 143 | gprs_rlcmac_tbf::~gprs_rlcmac_tbf() |
| 144 | { |
| 145 | osmo_fsm_inst_free(state_fsm.fi); |
| 146 | state_fsm.fi = NULL; |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 147 | |
| 148 | osmo_fsm_inst_free(ul_ass_fsm.fi); |
| 149 | ul_ass_fsm.fi = NULL; |
Pau Espin Pedrol | 49a2f40 | 2021-07-27 17:33:07 +0200 | [diff] [blame] | 150 | osmo_fsm_inst_free(dl_ass_fsm.fi); |
| 151 | dl_ass_fsm.fi = NULL; |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 152 | |
Pau Espin Pedrol | 131deb0 | 2021-07-26 18:24:14 +0200 | [diff] [blame] | 153 | rate_ctr_group_free(m_ctrs); |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 154 | } |
| 155 | |
Jacob Erlbeck | 8759735 | 2015-05-18 11:56:50 +0200 | [diff] [blame] | 156 | uint32_t gprs_rlcmac_tbf::tlli() const |
| 157 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 158 | return m_ms ? ms_tlli(m_ms) : GSM_RESERVED_TMSI; |
Jacob Erlbeck | 8759735 | 2015-05-18 11:56:50 +0200 | [diff] [blame] | 159 | } |
| 160 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 161 | const char *gprs_rlcmac_tbf::imsi() const |
Holger Hans Peter Freyther | d868928 | 2013-08-24 20:51:06 +0200 | [diff] [blame] | 162 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 163 | return ms_imsi(m_ms); |
Holger Hans Peter Freyther | d868928 | 2013-08-24 20:51:06 +0200 | [diff] [blame] | 164 | } |
| 165 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 166 | uint8_t gprs_rlcmac_tbf::ta() const |
| 167 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 168 | return ms_ta(m_ms); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | void gprs_rlcmac_tbf::set_ta(uint8_t ta) |
| 172 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 173 | ms_set_ta(m_ms, ta); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 174 | } |
| 175 | |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 176 | uint8_t gprs_rlcmac_tbf::ms_class() const |
| 177 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 178 | return ms_ms_class(m_ms); |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 179 | } |
| 180 | |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 181 | enum CodingScheme gprs_rlcmac_tbf::current_cs() const |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 182 | { |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 183 | enum CodingScheme cs; |
Pau Espin Pedrol | fc46493 | 2021-01-25 12:05:32 +0100 | [diff] [blame] | 184 | enum mcs_kind req_mcs_kind = is_egprs_enabled() ? EGPRS : GPRS; |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 185 | |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 186 | if (direction == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | 2238228 | 2021-01-25 11:37:19 +0100 | [diff] [blame] | 187 | cs = ms_current_cs_ul(m_ms); |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 188 | else |
Pau Espin Pedrol | fc46493 | 2021-01-25 12:05:32 +0100 | [diff] [blame] | 189 | cs = ms_current_cs_dl(m_ms, req_mcs_kind); |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 190 | |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 191 | return cs; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 192 | } |
| 193 | |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 194 | gprs_llc_queue *gprs_rlcmac_tbf::llc_queue() |
| 195 | { |
Pau Espin Pedrol | 2238228 | 2021-01-25 11:37:19 +0100 | [diff] [blame] | 196 | return ms_llc_queue(m_ms); |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 197 | } |
| 198 | |
| 199 | const gprs_llc_queue *gprs_rlcmac_tbf::llc_queue() const |
| 200 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 201 | return ms_llc_queue(m_ms); |
Alexander Couzens | d38b92e | 2016-08-21 19:38:30 +0200 | [diff] [blame] | 202 | } |
| 203 | |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 204 | void gprs_rlcmac_tbf::set_ms(GprsMs *ms) |
| 205 | { |
| 206 | if (m_ms == ms) |
| 207 | return; |
| 208 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 209 | if (m_ms) { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 210 | ms_detach_tbf(m_ms, this); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 211 | } |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 212 | |
| 213 | m_ms = ms; |
| 214 | |
| 215 | if (m_ms) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 216 | ms_attach_tbf(m_ms, this); |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 217 | } |
| 218 | |
Jacob Erlbeck | be0cbc1 | 2015-05-18 14:35:11 +0200 | [diff] [blame] | 219 | 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] | 220 | { |
Vadim Yanitskiy | cb98894 | 2020-11-08 13:27:35 +0700 | [diff] [blame] | 221 | if (tlli == GSM_RESERVED_TMSI) |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 222 | return; |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 223 | |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 224 | /* TODO: When the TLLI does not match the ms, check if there is another |
| 225 | * MS object that belongs to that TLLI and if yes make sure one of them |
| 226 | * gets deleted. This is the same problem that can arise with |
Pau Espin Pedrol | 528820d | 2020-10-26 12:40:11 +0100 | [diff] [blame] | 227 | * 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] | 228 | if (!ms_check_tlli(ms(), tlli)) { |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 229 | GprsMs *old_ms; |
| 230 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 231 | old_ms = bts_ms_store(bts)->get_ms(tlli, 0, NULL); |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 232 | if (old_ms) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 233 | ms_merge_and_clear_ms(ms(), old_ms); |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 234 | } |
| 235 | |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 236 | if (dir == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 237 | ms_set_tlli(ms(), tlli); |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 238 | else |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 239 | ms_confirm_tlli(ms(), tlli); |
Daniel Willmann | e481815 | 2014-08-15 16:52:09 +0200 | [diff] [blame] | 240 | } |
| 241 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 242 | static void tbf_unlink_pdch(struct gprs_rlcmac_tbf *tbf) |
| 243 | { |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 244 | int ts; |
| 245 | |
Jacob Erlbeck | ccc34e4 | 2015-06-29 13:45:05 +0200 | [diff] [blame] | 246 | for (ts = 0; ts < 8; ts++) { |
| 247 | if (!tbf->pdch[ts]) |
| 248 | continue; |
| 249 | |
| 250 | tbf->pdch[ts]->detach_tbf(tbf); |
| 251 | tbf->pdch[ts] = NULL; |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 252 | } |
| 253 | } |
| 254 | |
| 255 | void tbf_free(struct gprs_rlcmac_tbf *tbf) |
| 256 | { |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 257 | /* update counters */ |
Pau Espin Pedrol | b5fece9 | 2021-08-23 16:58:04 +0200 | [diff] [blame] | 258 | if (tbf->direction == GPRS_RLCMAC_UL_TBF) { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 259 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_UL_FREED); |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 260 | if (tbf->state_is(TBF_ST_FLOW)) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 261 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_UL_ABORTED); |
Pau Espin Pedrol | b5fece9 | 2021-08-23 16:58:04 +0200 | [diff] [blame] | 262 | } else { |
| 263 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(tbf); |
Pau Espin Pedrol | 284711d | 2021-07-26 18:32:36 +0200 | [diff] [blame] | 264 | gprs_rlc_dl_window *win = static_cast<gprs_rlc_dl_window *>(dl_tbf->window()); |
| 265 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 266 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_DL_FREED); |
Pau Espin Pedrol | 284711d | 2021-07-26 18:32:36 +0200 | [diff] [blame] | 267 | if (tbf->state_is(TBF_ST_FLOW)) { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 268 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_DL_ABORTED); |
Pau Espin Pedrol | 284711d | 2021-07-26 18:32:36 +0200 | [diff] [blame] | 269 | /* range V(A)..V(S)-1 */ |
| 270 | uint16_t lost = win->count_unacked(); |
| 271 | /* report all outstanding packets as lost */ |
| 272 | gprs_rlcmac_received_lost(dl_tbf, 0, lost); |
| 273 | /* TODO: Reschedule all LLC frames starting with the one that is |
| 274 | * (partly) encoded in chunk 1 of block V(A). (optional) */ |
| 275 | } |
Pau Espin Pedrol | 284711d | 2021-07-26 18:32:36 +0200 | [diff] [blame] | 276 | /* reset rlc states */ |
| 277 | win->reset(); |
Daniel Willmann | 418a423 | 2014-08-08 11:21:04 +0200 | [diff] [blame] | 278 | } |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 279 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 280 | LOGPTBF(tbf, LOGL_INFO, "free\n"); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 281 | tbf->stop_timers("freeing TBF"); |
Max | 5a6bcfb | 2017-09-01 14:36:44 +0200 | [diff] [blame] | 282 | /* TODO: Could/Should generate bssgp_tx_llc_discarded */ |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 283 | tbf_unlink_pdch(tbf); |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 284 | llist_del(tbf_trx_list(tbf)); |
Holger Hans Peter Freyther | 1587764 | 2013-10-27 09:50:15 +0100 | [diff] [blame] | 285 | |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 286 | if (tbf->ms()) |
| 287 | tbf->set_ms(NULL); |
| 288 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 289 | LOGP(DTBF, LOGL_DEBUG, "********** %s-TBF ends here **********\n", |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 290 | (tbf->direction != GPRS_RLCMAC_UL_TBF) ? "DL" : "UL"); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 291 | talloc_free(tbf); |
| 292 | } |
| 293 | |
Pau Espin Pedrol | 0ece97d | 2021-01-18 12:53:54 +0100 | [diff] [blame] | 294 | uint16_t egprs_window_size(const struct gprs_rlcmac_bts *bts, uint8_t slots) |
Max | 9d7357e | 2017-12-14 15:02:33 +0100 | [diff] [blame] | 295 | { |
| 296 | uint8_t num_pdch = pcu_bitcount(slots); |
| 297 | |
| 298 | return OSMO_MIN((num_pdch != 1) ? (128 * num_pdch) : 192, |
Pau Espin Pedrol | 519d071 | 2021-01-14 14:30:03 +0100 | [diff] [blame] | 299 | 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] | 300 | } |
| 301 | |
Jacob Erlbeck | e0c734d | 2015-07-03 14:03:33 +0200 | [diff] [blame] | 302 | int gprs_rlcmac_tbf::update() |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 303 | { |
Jacob Erlbeck | e0c734d | 2015-07-03 14:03:33 +0200 | [diff] [blame] | 304 | int rc; |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 305 | |
Holger Hans Peter Freyther | aa9c326 | 2013-10-26 17:49:36 +0200 | [diff] [blame] | 306 | if (direction != GPRS_RLCMAC_DL_TBF) |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 307 | return -EINVAL; |
| 308 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 309 | LOGP(DTBF, LOGL_DEBUG, "********** DL-TBF update **********\n"); |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 310 | |
Holger Hans Peter Freyther | aa9c326 | 2013-10-26 17:49:36 +0200 | [diff] [blame] | 311 | tbf_unlink_pdch(this); |
Pau Espin Pedrol | c85e093 | 2021-02-25 18:08:10 +0100 | [diff] [blame] | 312 | rc = the_pcu->alloc_algorithm(bts, this, false, -1); |
Holger Hans Peter Freyther | 90b87ea | 2013-10-27 10:38:31 +0100 | [diff] [blame] | 313 | /* if no resource */ |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 314 | if (rc < 0) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 315 | LOGPTBF(this, LOGL_ERROR, "No resource after update???\n"); |
Pau Espin Pedrol | 4e1c9ad | 2021-02-25 17:21:32 +0100 | [diff] [blame] | 316 | bts_do_rate_ctr_inc(bts, CTR_TBF_ALLOC_FAIL); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 317 | return -rc; |
| 318 | } |
| 319 | |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 320 | if (is_egprs_enabled()) { |
| 321 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
| 322 | if (dl_tbf) |
Max | 9d7357e | 2017-12-14 15:02:33 +0100 | [diff] [blame] | 323 | dl_tbf->set_window_size(); |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 324 | } |
| 325 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 326 | return 0; |
| 327 | } |
| 328 | |
| 329 | int tbf_assign_control_ts(struct gprs_rlcmac_tbf *tbf) |
| 330 | { |
| 331 | if (tbf->control_ts == 0xff) |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 332 | LOGPTBF(tbf, LOGL_INFO, "Setting Control TS %d\n", |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 333 | tbf->first_common_ts); |
| 334 | else if (tbf->control_ts != tbf->first_common_ts) |
Pau Espin Pedrol | 7fd9a29 | 2020-11-30 12:18:38 +0100 | [diff] [blame] | 335 | LOGPTBF(tbf, LOGL_INFO, "Changing Control TS %d -> %d\n", |
| 336 | tbf->control_ts, tbf->first_common_ts); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 337 | tbf->control_ts = tbf->first_common_ts; |
| 338 | |
| 339 | return 0; |
| 340 | } |
| 341 | |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 342 | void gprs_rlcmac_tbf::n_reset(enum tbf_counters n) |
| 343 | { |
| 344 | if (n >= N_MAX) { |
| 345 | LOGPTBF(this, LOGL_ERROR, "attempting to reset unknown counter %s\n", |
| 346 | get_value_string(tbf_counters_names, n)); |
| 347 | return; |
| 348 | } |
| 349 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 350 | Narr[n] = 0; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 351 | } |
| 352 | |
| 353 | /* Increment counter and check for MAX value (return true if we hit it) */ |
| 354 | bool gprs_rlcmac_tbf::n_inc(enum tbf_counters n) |
| 355 | { |
| 356 | uint8_t chk; |
| 357 | |
| 358 | if (n >= N_MAX) { |
| 359 | LOGPTBF(this, LOGL_ERROR, "attempting to increment unknown counter %s\n", |
| 360 | get_value_string(tbf_counters_names, n)); |
| 361 | return true; |
| 362 | } |
| 363 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 364 | Narr[n]++; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 365 | |
| 366 | switch(n) { |
| 367 | case N3101: |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 368 | chk = bts->n3101; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 369 | break; |
| 370 | case N3103: |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 371 | chk = bts->n3103; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 372 | break; |
| 373 | case N3105: |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 374 | chk = bts->n3105; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 375 | break; |
| 376 | default: |
| 377 | LOGPTBF(this, LOGL_ERROR, "unhandled counter %s\n", |
| 378 | get_value_string(tbf_counters_names, n)); |
| 379 | return true; |
| 380 | } |
| 381 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 382 | if (Narr[n] == chk) { |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 383 | LOGPTBF(this, LOGL_NOTICE, "%s exceeded MAX (%u)\n", |
| 384 | get_value_string(tbf_counters_names, n), chk); |
| 385 | return true; |
Pau Espin Pedrol | 58fdc54 | 2021-03-04 14:10:52 +0100 | [diff] [blame] | 386 | } else { |
| 387 | LOGPTBF(this, LOGL_DEBUG, "%s %" PRIu8 " => %" PRIu8 " (< MAX %" PRIu8 ")\n", |
| 388 | get_value_string(tbf_counters_names, n), Narr[n] - 1, Narr[n], chk); |
| 389 | return false; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 390 | } |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 391 | } |
| 392 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 393 | 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] | 394 | { |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 395 | if (t >= T_MAX) { |
| 396 | LOGPTBF(this, LOGL_ERROR, "attempting to stop unknown timer %s [%s]\n", |
| 397 | get_value_string(tbf_timers_names, t), reason); |
Max | 0bc982e | 2017-12-21 18:58:50 +0100 | [diff] [blame] | 398 | return; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 399 | } |
| 400 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 401 | if (osmo_timer_pending(&Tarr[t])) { |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 402 | LOGPTBF(this, LOGL_DEBUG, "stopping timer %s [%s]\n", |
| 403 | get_value_string(tbf_timers_names, t), reason); |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 404 | osmo_timer_del(&Tarr[t]); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 405 | } |
| 406 | } |
| 407 | |
| 408 | /* check if any of T31xx timer(s) are pending */ |
| 409 | bool gprs_rlcmac_tbf::timers_pending(enum tbf_timers t) |
| 410 | { |
| 411 | uint8_t i; |
| 412 | |
| 413 | if (t != T_MAX) |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 414 | return osmo_timer_pending(&Tarr[t]); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 415 | |
Pau Espin Pedrol | 4b6f0bf | 2021-05-10 18:54:52 +0200 | [diff] [blame] | 416 | for (i = T3141; i < T_MAX; i++) |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 417 | if (osmo_timer_pending(&Tarr[i])) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 418 | return true; |
| 419 | |
| 420 | return false; |
| 421 | } |
| 422 | |
| 423 | void gprs_rlcmac_tbf::stop_timers(const char *reason) |
| 424 | { |
| 425 | uint8_t i; |
Pau Espin Pedrol | 3225290 | 2021-07-29 16:44:11 +0200 | [diff] [blame] | 426 | for (i = T3141; i < T_MAX; i++) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 427 | t_stop((enum tbf_timers)i, reason); |
Holger Hans Peter Freyther | 86300bb | 2013-10-26 18:01:35 +0200 | [diff] [blame] | 428 | } |
| 429 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 430 | static inline void tbf_timeout_free(struct gprs_rlcmac_tbf *tbf, enum tbf_timers t, bool run_diag) |
| 431 | { |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 432 | if (run_diag) { |
| 433 | LOGPTBF(tbf, LOGL_NOTICE, "%s timeout expired, freeing TBF: %s\n", |
Pau Espin Pedrol | ab8fba3 | 2021-07-27 16:35:00 +0200 | [diff] [blame] | 434 | get_value_string(tbf_timers_names, t), tbf_rlcmac_diag(tbf)); |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 435 | } else { |
| 436 | LOGPTBF(tbf, LOGL_NOTICE, "%s timeout expired, freeing TBF\n", |
| 437 | get_value_string(tbf_timers_names, t)); |
| 438 | } |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 439 | |
| 440 | tbf_free(tbf); |
| 441 | } |
| 442 | |
| 443 | #define T_CBACK(t, diag) static void cb_##t(void *_tbf) { tbf_timeout_free((struct gprs_rlcmac_tbf *)_tbf, t, diag); } |
| 444 | |
Pau Espin Pedrol | 4b6f0bf | 2021-05-10 18:54:52 +0200 | [diff] [blame] | 445 | /* 3GPP TS 44.018 sec 3.5.2.1.5: On the network side, if timer T3141 elapses |
| 446 | * before a successful contention resolution procedure is completed, the newly |
| 447 | * allocated temporary block flow is released as specified in 3GPP TS 44.060 and |
| 448 | * the packet access is forgotten.*/ |
| 449 | T_CBACK(T3141, true) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 450 | T_CBACK(T3191, true) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 451 | |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 452 | 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] | 453 | const char *file, unsigned line) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 454 | { |
Pau Espin Pedrol | 4a5209d | 2021-01-18 14:05:40 +0100 | [diff] [blame] | 455 | int current_fn = bts_current_frame_number(bts); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 456 | int sec; |
| 457 | int microsec; |
| 458 | struct osmo_tdef *tdef; |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 459 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 460 | if (!(tdef = osmo_tdef_get_entry(bts->T_defs_bts, T))) |
Pau Espin Pedrol | 924aaad | 2021-01-14 12:01:42 +0100 | [diff] [blame] | 461 | tdef = osmo_tdef_get_entry(bts->pcu->T_defs, T); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 462 | |
| 463 | if (t >= T_MAX || !tdef) { |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 464 | LOGPSRC(DTBF, LOGL_ERROR, file, line, "%s attempting to start unknown timer %s [%s], cur_fn=%d\n", |
| 465 | tbf_name(this), get_value_string(tbf_timers_names, t), reason, current_fn); |
Max | 0bc982e | 2017-12-21 18:58:50 +0100 | [diff] [blame] | 466 | return; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 467 | } |
| 468 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 469 | if (!force && osmo_timer_pending(&Tarr[t])) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 470 | return; |
| 471 | |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 472 | switch (tdef->unit) { |
| 473 | case OSMO_TDEF_MS: |
| 474 | sec = 0; |
| 475 | microsec = tdef->val * 1000; |
| 476 | break; |
| 477 | case OSMO_TDEF_S: |
| 478 | sec = tdef->val; |
| 479 | microsec = 0; |
| 480 | break; |
| 481 | default: |
| 482 | /* so far only timers using MS and S */ |
| 483 | OSMO_ASSERT(false); |
| 484 | } |
| 485 | |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 486 | 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] | 487 | tbf_name(this), osmo_timer_pending(&Tarr[t]) ? "re" : "", |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 488 | get_value_string(tbf_timers_names, t), reason, sec, microsec, current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 489 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 490 | Tarr[t].data = this; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 491 | |
| 492 | switch(t) { |
Pau Espin Pedrol | 4b6f0bf | 2021-05-10 18:54:52 +0200 | [diff] [blame] | 493 | case T3141: |
| 494 | Tarr[t].cb = cb_T3141; |
| 495 | break; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 496 | case T3191: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 497 | Tarr[t].cb = cb_T3191; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 498 | break; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 499 | default: |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 500 | LOGPSRC(DTBF, LOGL_ERROR, file, line, "%s attempting to set callback for unknown timer %s [%s], cur_fn=%d\n", |
| 501 | tbf_name(this), get_value_string(tbf_timers_names, t), reason, current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 502 | } |
| 503 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 504 | osmo_timer_schedule(&Tarr[t], sec, microsec); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 505 | } |
| 506 | |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 507 | int gprs_rlcmac_tbf::check_polling(uint32_t fn, uint8_t ts, |
Pau Espin Pedrol | 57dcde4 | 2021-02-01 18:14:23 +0100 | [diff] [blame] | 508 | uint32_t *poll_fn_, unsigned int *rrbp_) const |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 509 | { |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 510 | int rc; |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 511 | if (!is_control_ts(ts)) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 512 | LOGPTBF(this, LOGL_DEBUG, "Polling cannot be " |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 513 | "scheduled in this TS %d (first control TS %d)\n", |
| 514 | ts, control_ts); |
| 515 | return -EINVAL; |
| 516 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 517 | |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 518 | if ((rc = pdch_ulc_get_next_free_rrbp_fn(trx->pdch[ts].ulc, fn, poll_fn_, rrbp_)) < 0) { |
| 519 | LOGPTBF(this, LOGL_DEBUG, |
| 520 | "(bts=%u,trx=%u,ts=%u) FN=%u No suitable free RRBP offset found!\n", |
| 521 | trx->bts->nr, trx->trx_no, ts, fn); |
| 522 | return rc; |
| 523 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 524 | |
| 525 | return 0; |
| 526 | } |
| 527 | |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 528 | void gprs_rlcmac_tbf::set_polling(uint32_t new_poll_fn, uint8_t ts, enum pdch_ulc_tbf_poll_reason reason) |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 529 | { |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 530 | /* schedule polling */ |
Pau Espin Pedrol | a161bf4 | 2021-07-30 13:42:06 +0200 | [diff] [blame] | 531 | if (pdch_ulc_reserve_tbf_poll(trx->pdch[ts].ulc, new_poll_fn, this, reason) < 0) |
| 532 | LOGPTBFDL(this, LOGL_ERROR, "Failed scheduling poll on PACCH (FN=%d, TS=%d)\n", |
| 533 | new_poll_fn, ts); |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 534 | } |
| 535 | |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 536 | void gprs_rlcmac_tbf::poll_timeout(struct gprs_rlcmac_pdch *pdch, uint32_t poll_fn, enum pdch_ulc_tbf_poll_reason reason) |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 537 | { |
Pau Espin Pedrol | d72f46f | 2021-09-28 13:10:03 +0200 | [diff] [blame] | 538 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 539 | gprs_rlcmac_dl_tbf *dl_tbf; |
Max | fd13f6c | 2017-07-07 14:29:36 +0200 | [diff] [blame] | 540 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 541 | LOGPTBF(this, LOGL_NOTICE, "poll timeout for FN=%d, TS=%d (curr FN %d)\n", |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 542 | poll_fn, pdch->ts_no, bts_current_frame_number(bts)); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 543 | |
Pau Espin Pedrol | d72f46f | 2021-09-28 13:10:03 +0200 | [diff] [blame] | 544 | switch (reason) { |
| 545 | case PDCH_ULC_POLL_UL_ACK: |
| 546 | ul_tbf = as_ul_tbf(this); |
| 547 | OSMO_ASSERT(ul_tbf); |
| 548 | if (!tbf_ul_ack_exp_ctrl_ack(ul_tbf, poll_fn, pdch->ts_no)) { |
| 549 | LOGPTBF(this, LOGL_NOTICE, "FN=%d, TS=%d (curr FN %d): POLL_UL_ACK not expected!\n", |
| 550 | poll_fn, pdch->ts_no, bts_current_frame_number(bts)); |
| 551 | return; |
| 552 | } |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 553 | bts_do_rate_ctr_inc(bts, CTR_RLC_ACK_TIMEDOUT); |
| 554 | bts_do_rate_ctr_inc(bts, CTR_PUAN_POLL_TIMEDOUT); |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 555 | if (state_is(TBF_ST_FINISHED)) { |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 556 | if (ul_tbf->n_inc(N3103)) { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 557 | bts_do_rate_ctr_inc(bts, CTR_PUAN_POLL_FAILED); |
Pau Espin Pedrol | 55f600b | 2021-07-26 15:54:39 +0200 | [diff] [blame] | 558 | osmo_fsm_inst_dispatch(this->state_fsm.fi, TBF_EV_MAX_N3103, NULL); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 559 | return; |
| 560 | } |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 561 | } |
Pau Espin Pedrol | ea8dbdd | 2021-07-29 18:39:16 +0200 | [diff] [blame] | 562 | osmo_fsm_inst_dispatch(ul_tbf->ul_ack_fsm.fi, TBF_UL_ACK_EV_POLL_TIMEOUT, NULL); |
Pau Espin Pedrol | d72f46f | 2021-09-28 13:10:03 +0200 | [diff] [blame] | 563 | break; |
| 564 | |
| 565 | case PDCH_ULC_POLL_UL_ASS: |
| 566 | if (!ul_ass_state_is(TBF_UL_ASS_WAIT_ACK)) { |
| 567 | LOGPTBF(this, LOGL_NOTICE, "FN=%d, TS=%d (curr FN %d): POLL_UL_ASS not expected! state is %s\n", |
| 568 | poll_fn, pdch->ts_no, bts_current_frame_number(bts), |
| 569 | osmo_fsm_inst_state_name(tbf_ul_ass_fi(this))); |
| 570 | return; |
| 571 | } |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 572 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_TIMEDOUT); |
| 573 | bts_do_rate_ctr_inc(bts, CTR_PUA_POLL_TIMEDOUT); |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 574 | if (n_inc(N3105)) { |
Pau Espin Pedrol | 55f600b | 2021-07-26 15:54:39 +0200 | [diff] [blame] | 575 | osmo_fsm_inst_dispatch(this->state_fsm.fi, TBF_EV_MAX_N3105, NULL); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 576 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_FAILED); |
| 577 | bts_do_rate_ctr_inc(bts, CTR_PUA_POLL_FAILED); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 578 | return; |
| 579 | } |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 580 | /* Signal timeout to FSM to reschedule UL assignment */ |
| 581 | osmo_fsm_inst_dispatch(this->ul_ass_fsm.fi, TBF_UL_ASS_EV_ASS_POLL_TIMEOUT, NULL); |
Pau Espin Pedrol | d72f46f | 2021-09-28 13:10:03 +0200 | [diff] [blame] | 582 | break; |
| 583 | |
| 584 | case PDCH_ULC_POLL_DL_ASS: |
| 585 | if (!dl_ass_state_is(TBF_DL_ASS_WAIT_ACK)) { |
| 586 | LOGPTBF(this, LOGL_NOTICE, "FN=%d, TS=%d (curr FN %d): POLL_DL_ASS not expected! state is %s\n", |
| 587 | poll_fn, pdch->ts_no, bts_current_frame_number(bts), |
| 588 | osmo_fsm_inst_state_name(tbf_dl_ass_fi(this))); |
| 589 | return; |
| 590 | } |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 591 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_TIMEDOUT); |
| 592 | bts_do_rate_ctr_inc(bts, CTR_PDA_POLL_TIMEDOUT); |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 593 | if (n_inc(N3105)) { |
Pau Espin Pedrol | 55f600b | 2021-07-26 15:54:39 +0200 | [diff] [blame] | 594 | osmo_fsm_inst_dispatch(this->state_fsm.fi, TBF_EV_MAX_N3105, NULL); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 595 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_FAILED); |
| 596 | bts_do_rate_ctr_inc(bts, CTR_PDA_POLL_FAILED); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 597 | return; |
| 598 | } |
Pau Espin Pedrol | 49a2f40 | 2021-07-27 17:33:07 +0200 | [diff] [blame] | 599 | /* Signal timeout to FSM to reschedule DL assignment */ |
| 600 | osmo_fsm_inst_dispatch(this->dl_ass_fsm.fi, TBF_DL_ASS_EV_ASS_POLL_TIMEOUT, NULL); |
Pau Espin Pedrol | d72f46f | 2021-09-28 13:10:03 +0200 | [diff] [blame] | 601 | break; |
| 602 | |
| 603 | case PDCH_ULC_POLL_CELL_CHG_CONTINUE: |
| 604 | if (!m_ms->nacc || !nacc_fsm_exp_ctrl_ack(m_ms->nacc, poll_fn, pdch->ts_no)) { |
| 605 | LOGPTBF(this, LOGL_NOTICE, "FN=%d, TS=%d (curr FN %d): POLL_CELL_CHG_CONTINUE not expected!\n", |
| 606 | poll_fn, pdch->ts_no, bts_current_frame_number(bts)); |
| 607 | return; |
| 608 | } |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 609 | /* Timeout waiting for CTRL ACK acking Pkt Cell Change Continue */ |
| 610 | osmo_fsm_inst_dispatch(m_ms->nacc->fi, NACC_EV_TIMEOUT_CELL_CHG_CONTINUE, NULL); |
Pau Espin Pedrol | d72f46f | 2021-09-28 13:10:03 +0200 | [diff] [blame] | 611 | break; |
Pau Espin Pedrol | b5fece9 | 2021-08-23 16:58:04 +0200 | [diff] [blame] | 612 | |
Pau Espin Pedrol | d72f46f | 2021-09-28 13:10:03 +0200 | [diff] [blame] | 613 | case PDCH_ULC_POLL_DL_ACK: |
| 614 | dl_tbf = as_dl_tbf(this); |
| 615 | /* POLL Timeout expecting DL ACK/NACK: implies direction == GPRS_RLCMAC_DL_TBF */ |
| 616 | OSMO_ASSERT(dl_tbf); |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 617 | if (!(dl_tbf->state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_TO_DL_ACK))) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 618 | LOGPTBF(this, LOGL_NOTICE, |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 619 | "Timeout for polling PACKET DOWNLINK ACK: %s\n", |
Pau Espin Pedrol | ab8fba3 | 2021-07-27 16:35:00 +0200 | [diff] [blame] | 620 | tbf_rlcmac_diag(dl_tbf)); |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 621 | dl_tbf->state_fsm.state_flags |= (1 << GPRS_RLCMAC_FLAG_TO_DL_ACK); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 622 | } |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 623 | if (dl_tbf->state_is(TBF_ST_RELEASING)) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 624 | bts_do_rate_ctr_inc(bts, CTR_RLC_REL_TIMEDOUT); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 625 | else { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 626 | bts_do_rate_ctr_inc(bts, CTR_RLC_ACK_TIMEDOUT); |
| 627 | bts_do_rate_ctr_inc(bts, CTR_PDAN_POLL_TIMEDOUT); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 628 | } |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 629 | if (dl_tbf->n_inc(N3105)) { |
Pau Espin Pedrol | 55f600b | 2021-07-26 15:54:39 +0200 | [diff] [blame] | 630 | osmo_fsm_inst_dispatch(this->state_fsm.fi, TBF_EV_MAX_N3105, NULL); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 631 | bts_do_rate_ctr_inc(bts, CTR_PDAN_POLL_FAILED); |
| 632 | bts_do_rate_ctr_inc(bts, CTR_RLC_ACK_FAILED); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 633 | return; |
| 634 | } |
| 635 | /* resend IMM.ASS on CCCH on timeout */ |
Pau Espin Pedrol | 3225290 | 2021-07-29 16:44:11 +0200 | [diff] [blame] | 636 | osmo_fsm_inst_dispatch(this->state_fsm.fi, TBF_EV_DL_ACKNACK_MISS, NULL); |
Pau Espin Pedrol | d72f46f | 2021-09-28 13:10:03 +0200 | [diff] [blame] | 637 | break; |
| 638 | |
| 639 | default: |
| 640 | LOGPTBF(this, LOGL_ERROR, "Poll Timeout, reason %s unhandled!\n", |
| 641 | get_value_string(pdch_ulc_tbf_poll_reason_names, reason)); |
| 642 | } |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 643 | } |
| 644 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 645 | 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] | 646 | { |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 647 | int rc; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 648 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 649 | if (ms_mode(m_ms) != GPRS) |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 650 | enable_egprs(); |
Daniel Willmann | 1b3864f | 2014-07-30 13:25:19 +0200 | [diff] [blame] | 651 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 652 | m_created_ts = time(NULL); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 653 | /* select algorithm */ |
Pau Espin Pedrol | c85e093 | 2021-02-25 18:08:10 +0100 | [diff] [blame] | 654 | rc = the_pcu->alloc_algorithm(bts, this, single_slot, use_trx); |
Holger Hans Peter Freyther | 90b87ea | 2013-10-27 10:38:31 +0100 | [diff] [blame] | 655 | /* if no resource */ |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 656 | if (rc < 0) { |
Pau Espin Pedrol | 7c9a4a4 | 2021-02-25 17:21:10 +0100 | [diff] [blame] | 657 | LOGPTBF(this, LOGL_NOTICE, |
| 658 | "Timeslot Allocation failed: trx = %d, single_slot = %d\n", |
| 659 | use_trx, single_slot); |
Pau Espin Pedrol | 4e1c9ad | 2021-02-25 17:21:32 +0100 | [diff] [blame] | 660 | bts_do_rate_ctr_inc(bts, CTR_TBF_ALLOC_FAIL); |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 661 | return -1; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 662 | } |
| 663 | /* assign control ts */ |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 664 | rc = tbf_assign_control_ts(this); |
Holger Hans Peter Freyther | 90b87ea | 2013-10-27 10:38:31 +0100 | [diff] [blame] | 665 | /* if no resource */ |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 666 | if (rc < 0) { |
Pau Espin Pedrol | f62b0ec | 2021-05-13 18:50:10 +0200 | [diff] [blame] | 667 | LOGPTBF(this, LOGL_ERROR, "Failed to assign control TS\n"); |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 668 | return -1; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 669 | } |
| 670 | |
| 671 | /* set timestamp */ |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 672 | osmo_clock_gettime(CLOCK_MONOTONIC, &meas.rssi_tv); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 673 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 674 | LOGPTBF(this, LOGL_INFO, |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 675 | "Allocated: trx = %d, ul_slots = %02x, dl_slots = %02x\n", |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 676 | this->trx->trx_no, ul_slots(), dl_slots()); |
Jacob Erlbeck | 5879c64 | 2015-07-10 10:41:36 +0200 | [diff] [blame] | 677 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 678 | m_ctrs = rate_ctr_group_alloc(this, &tbf_ctrg_desc, next_tbf_ctr_group_id++); |
| 679 | if (!m_ctrs) { |
| 680 | LOGPTBF(this, LOGL_ERROR, "Couldn't allocate TBF counters\n"); |
Harald Welte | 9530a40 | 2017-07-12 00:46:36 +0200 | [diff] [blame] | 681 | return -1; |
| 682 | } |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 683 | |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 684 | tbf_update_state_fsm_name(this); |
| 685 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 686 | ms_attach_tbf(m_ms, this); |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 687 | |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 688 | return 0; |
| 689 | } |
| 690 | |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 691 | int gprs_rlcmac_tbf::establish_dl_tbf_on_pacch() |
| 692 | { |
| 693 | struct gprs_rlcmac_dl_tbf *new_tbf = NULL; |
| 694 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 695 | bts_do_rate_ctr_inc(bts, CTR_TBF_REUSED); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 696 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 697 | new_tbf = tbf_alloc_dl_tbf(bts, ms(), |
Pau Espin Pedrol | 322456e | 2020-05-08 18:15:59 +0200 | [diff] [blame] | 698 | this->trx->trx_no, false); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 699 | |
| 700 | if (!new_tbf) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 701 | LOGP(DTBF, LOGL_NOTICE, "No PDCH resource\n"); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 702 | return -1; |
| 703 | } |
| 704 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 705 | LOGPTBF(this, LOGL_DEBUG, "Trigger downlink assignment on PACCH\n"); |
Max | a10c398 | 2017-07-07 18:25:41 +0200 | [diff] [blame] | 706 | new_tbf->trigger_ass(this); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 707 | |
| 708 | return 0; |
| 709 | } |
| 710 | |
Pau Espin Pedrol | 57dcde4 | 2021-02-01 18:14:23 +0100 | [diff] [blame] | 711 | const char *tbf_name(const gprs_rlcmac_tbf *tbf) |
Holger Hans Peter Freyther | bd449f5 | 2013-10-27 16:39:36 +0100 | [diff] [blame] | 712 | { |
Alexander Couzens | e04fd0c | 2016-05-31 13:18:01 +0200 | [diff] [blame] | 713 | return tbf ? tbf->name() : "(no TBF)"; |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 714 | } |
| 715 | |
| 716 | const char *gprs_rlcmac_tbf::name() const |
| 717 | { |
| 718 | snprintf(m_name_buf, sizeof(m_name_buf) - 1, |
Jacob Erlbeck | 5643f35 | 2015-11-27 16:17:40 +0100 | [diff] [blame] | 719 | "TBF(TFI=%d TLLI=0x%08x DIR=%s STATE=%s%s)", |
Jacob Erlbeck | 767193e | 2015-05-20 12:06:46 +0200 | [diff] [blame] | 720 | m_tfi, tlli(), |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 721 | direction == GPRS_RLCMAC_UL_TBF ? "UL" : "DL", |
Jacob Erlbeck | 5643f35 | 2015-11-27 16:17:40 +0100 | [diff] [blame] | 722 | state_name(), |
| 723 | is_egprs_enabled() ? " EGPRS" : "" |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 724 | ); |
| 725 | m_name_buf[sizeof(m_name_buf) - 1] = '\0'; |
| 726 | return m_name_buf; |
Holger Hans Peter Freyther | bd449f5 | 2013-10-27 16:39:36 +0100 | [diff] [blame] | 727 | } |
Holger Hans Peter Freyther | 758dc12 | 2013-11-06 20:39:45 +0100 | [diff] [blame] | 728 | |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 729 | void tbf_update_state_fsm_name(struct gprs_rlcmac_tbf *tbf) |
| 730 | { |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 731 | char buf[64]; |
| 732 | snprintf(buf, sizeof(buf), "%s-TFI_%d", |
| 733 | tbf_direction(tbf) == GPRS_RLCMAC_UL_TBF ? "UL" : "DL", |
| 734 | tbf_tfi(tbf)); |
| 735 | osmo_identifier_sanitize_buf(buf, NULL, '_'); |
| 736 | |
| 737 | osmo_fsm_inst_update_id(tbf->state_fsm.fi, buf); |
| 738 | osmo_fsm_inst_update_id(tbf->ul_ass_fsm.fi, buf); |
Pau Espin Pedrol | 49a2f40 | 2021-07-27 17:33:07 +0200 | [diff] [blame] | 739 | osmo_fsm_inst_update_id(tbf->dl_ass_fsm.fi, buf); |
Pau Espin Pedrol | ea8dbdd | 2021-07-29 18:39:16 +0200 | [diff] [blame] | 740 | |
| 741 | if (tbf_direction(tbf) == GPRS_RLCMAC_UL_TBF) { |
| 742 | struct gprs_rlcmac_ul_tbf *ul_tbf = as_ul_tbf(tbf); |
| 743 | osmo_fsm_inst_update_id(ul_tbf->ul_ack_fsm.fi, buf); |
| 744 | } |
| 745 | |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 746 | } |
| 747 | |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 748 | void gprs_rlcmac_tbf::rotate_in_list() |
| 749 | { |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 750 | llist_del(tbf_trx_list((struct gprs_rlcmac_tbf *)this)); |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 751 | if (direction == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 752 | llist_add(tbf_trx_list((struct gprs_rlcmac_tbf *)this), &trx->ul_tbfs); |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 753 | else |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 754 | llist_add(tbf_trx_list((struct gprs_rlcmac_tbf *)this), &trx->dl_tbfs); |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 755 | } |
Holger Hans Peter Freyther | 8f399de | 2013-12-25 20:22:35 +0100 | [diff] [blame] | 756 | |
| 757 | uint8_t gprs_rlcmac_tbf::tsc() const |
| 758 | { |
| 759 | return trx->pdch[first_ts].tsc; |
| 760 | } |
Daniel Willmann | afa72f5 | 2014-01-15 17:06:19 +0100 | [diff] [blame] | 761 | |
Jacob Erlbeck | 617c712 | 2015-06-30 09:18:30 +0200 | [diff] [blame] | 762 | uint8_t gprs_rlcmac_tbf::dl_slots() const |
| 763 | { |
| 764 | uint8_t slots = 0; |
| 765 | size_t i; |
| 766 | |
| 767 | if (direction == GPRS_RLCMAC_UL_TBF) |
| 768 | return 0; |
| 769 | |
| 770 | for (i = 0; i < ARRAY_SIZE(pdch); i += 1) |
| 771 | if (pdch[i]) |
| 772 | slots |= 1 << i; |
| 773 | |
| 774 | return slots; |
| 775 | } |
| 776 | |
| 777 | uint8_t gprs_rlcmac_tbf::ul_slots() const |
| 778 | { |
| 779 | uint8_t slots = 0; |
| 780 | size_t i; |
| 781 | |
| 782 | if (direction == GPRS_RLCMAC_DL_TBF) { |
| 783 | if (control_ts < 8) |
| 784 | slots |= 1 << control_ts; |
| 785 | if (first_common_ts < 8) |
| 786 | slots |= 1 << first_common_ts; |
| 787 | |
| 788 | return slots; |
| 789 | } |
| 790 | |
| 791 | for (i = 0; i < ARRAY_SIZE(pdch); i += 1) |
| 792 | if (pdch[i]) |
| 793 | slots |= 1 << i; |
| 794 | |
| 795 | return slots; |
| 796 | } |
Jacob Erlbeck | 646da1b | 2016-01-22 17:41:33 +0100 | [diff] [blame] | 797 | |
| 798 | bool gprs_rlcmac_tbf::is_control_ts(uint8_t ts) const |
| 799 | { |
| 800 | return ts == control_ts; |
| 801 | } |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 802 | |
Oliver Smith | 402451b | 2021-09-08 09:33:24 +0200 | [diff] [blame] | 803 | void gprs_rlcmac_tbf::enable_egprs() |
| 804 | { |
| 805 | /* Decrease GPRS TBF count of attached PDCHs */ |
| 806 | for (size_t ts = 0; ts < ARRAY_SIZE(pdch); ts++) { |
| 807 | if (pdch[ts]) |
| 808 | pdch[ts]->num_tbfs_update(this, false); |
| 809 | } |
| 810 | |
| 811 | m_egprs_enabled = true; |
| 812 | window()->set_sns(RLC_EGPRS_SNS); |
| 813 | |
| 814 | /* Increase EGPRS TBF count of attached PDCHs */ |
| 815 | for (size_t ts = 0; ts < ARRAY_SIZE(pdch); ts++) { |
| 816 | if (pdch[ts]) |
| 817 | pdch[ts]->num_tbfs_update(this, true); |
| 818 | } |
| 819 | } |
| 820 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 821 | /* C API */ |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 822 | enum tbf_fsm_states tbf_state(const struct gprs_rlcmac_tbf *tbf) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 823 | { |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 824 | return (enum tbf_fsm_states)tbf->state_fsm.fi->state; |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 825 | } |
| 826 | |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 827 | struct osmo_fsm_inst *tbf_ul_ass_fi(const struct gprs_rlcmac_tbf *tbf) |
| 828 | { |
| 829 | return tbf->ul_ass_fsm.fi; |
| 830 | } |
| 831 | |
Pau Espin Pedrol | 49a2f40 | 2021-07-27 17:33:07 +0200 | [diff] [blame] | 832 | struct osmo_fsm_inst *tbf_dl_ass_fi(const struct gprs_rlcmac_tbf *tbf) |
| 833 | { |
| 834 | return tbf->dl_ass_fsm.fi; |
| 835 | } |
| 836 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 837 | enum gprs_rlcmac_tbf_direction tbf_direction(const struct gprs_rlcmac_tbf *tbf) |
| 838 | { |
| 839 | return tbf->direction; |
| 840 | } |
| 841 | |
| 842 | void tbf_set_ms(struct gprs_rlcmac_tbf *tbf, GprsMs *ms) |
| 843 | { |
| 844 | tbf->set_ms(ms); |
| 845 | } |
| 846 | |
| 847 | struct llist_head *tbf_ms_list(struct gprs_rlcmac_tbf *tbf) |
| 848 | { |
| 849 | return &tbf->m_ms_list.list; |
| 850 | } |
| 851 | |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 852 | struct llist_head *tbf_trx_list(struct gprs_rlcmac_tbf *tbf) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 853 | { |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 854 | return &tbf->m_trx_list.list; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 855 | } |
| 856 | |
Pau Espin Pedrol | 1e77ca8 | 2021-01-27 13:22:03 +0100 | [diff] [blame] | 857 | struct GprsMs *tbf_ms(const struct gprs_rlcmac_tbf *tbf) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 858 | { |
| 859 | return tbf->ms(); |
| 860 | } |
| 861 | |
| 862 | bool tbf_timers_pending(struct gprs_rlcmac_tbf *tbf, enum tbf_timers t) |
| 863 | { |
| 864 | return tbf->timers_pending(t); |
| 865 | } |
| 866 | |
| 867 | struct gprs_llc *tbf_llc(struct gprs_rlcmac_tbf *tbf) |
| 868 | { |
| 869 | return &tbf->m_llc; |
| 870 | } |
| 871 | |
| 872 | uint8_t tbf_first_common_ts(const struct gprs_rlcmac_tbf *tbf) |
| 873 | { |
| 874 | return tbf->first_common_ts; |
| 875 | } |
| 876 | |
| 877 | uint8_t tbf_dl_slots(const struct gprs_rlcmac_tbf *tbf) |
| 878 | { |
| 879 | return tbf->dl_slots(); |
| 880 | } |
| 881 | uint8_t tbf_ul_slots(const struct gprs_rlcmac_tbf *tbf) |
| 882 | { |
| 883 | return tbf->ul_slots(); |
| 884 | } |
| 885 | |
| 886 | bool tbf_is_tfi_assigned(const struct gprs_rlcmac_tbf *tbf) |
| 887 | { |
| 888 | return tbf->is_tfi_assigned(); |
| 889 | } |
Pau Espin Pedrol | c0a250d | 2021-01-21 18:46:13 +0100 | [diff] [blame] | 890 | |
| 891 | uint8_t tbf_tfi(const struct gprs_rlcmac_tbf *tbf) |
| 892 | { |
| 893 | return tbf->tfi(); |
| 894 | } |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 895 | |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 896 | bool tbf_is_egprs_enabled(const struct gprs_rlcmac_tbf *tbf) |
| 897 | { |
| 898 | return tbf->is_egprs_enabled(); |
| 899 | } |
| 900 | |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 901 | int tbf_check_polling(const struct gprs_rlcmac_tbf *tbf, uint32_t fn, uint8_t ts, uint32_t *poll_fn, unsigned int *rrbp) |
| 902 | { |
| 903 | return tbf->check_polling(fn, ts, poll_fn, rrbp); |
| 904 | } |
| 905 | |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 906 | void tbf_set_polling(struct gprs_rlcmac_tbf *tbf, uint32_t new_poll_fn, uint8_t ts, enum pdch_ulc_tbf_poll_reason t) |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 907 | { |
| 908 | return tbf->set_polling(new_poll_fn, ts, t); |
| 909 | } |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 910 | |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 911 | void tbf_poll_timeout(struct gprs_rlcmac_tbf *tbf, struct gprs_rlcmac_pdch *pdch, uint32_t poll_fn, enum pdch_ulc_tbf_poll_reason reason) |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 912 | { |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 913 | tbf->poll_timeout(pdch, poll_fn, reason); |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 914 | } |
Pau Espin Pedrol | ab8fba3 | 2021-07-27 16:35:00 +0200 | [diff] [blame] | 915 | |
Pau Espin Pedrol | 49a2f40 | 2021-07-27 17:33:07 +0200 | [diff] [blame] | 916 | bool tbf_is_control_ts(const struct gprs_rlcmac_tbf *tbf, uint8_t ts) |
| 917 | { |
| 918 | return tbf->is_control_ts(ts); |
| 919 | } |
| 920 | |
Pau Espin Pedrol | 3225290 | 2021-07-29 16:44:11 +0200 | [diff] [blame] | 921 | bool tbf_can_upgrade_to_multislot(const struct gprs_rlcmac_tbf *tbf) |
| 922 | { |
| 923 | return tbf->upgrade_to_multislot; |
| 924 | } |
| 925 | |
| 926 | int tbf_update(struct gprs_rlcmac_tbf *tbf) |
| 927 | { |
| 928 | return tbf->update(); |
| 929 | } |
| 930 | |
Pau Espin Pedrol | ab8fba3 | 2021-07-27 16:35:00 +0200 | [diff] [blame] | 931 | const char* tbf_rlcmac_diag(const struct gprs_rlcmac_tbf *tbf) |
| 932 | { |
| 933 | static char buf[256]; |
| 934 | struct osmo_strbuf sb = { .buf = buf, .len = sizeof(buf) }; |
| 935 | |
| 936 | OSMO_STRBUF_PRINTF(sb, "|"); |
| 937 | if (tbf->state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH)) |
| 938 | OSMO_STRBUF_PRINTF(sb, "Assignment was on CCCH|"); |
| 939 | if (tbf->state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_PACCH)) |
| 940 | OSMO_STRBUF_PRINTF(sb, "Assignment was on PACCH|"); |
Pau Espin Pedrol | c65c9e5 | 2021-07-28 18:22:00 +0200 | [diff] [blame] | 941 | if (tbf->direction == GPRS_RLCMAC_UL_TBF) { |
| 942 | const struct gprs_rlcmac_ul_tbf *ul_tbf = static_cast<const gprs_rlcmac_ul_tbf *>(tbf); |
| 943 | if (ul_tbf->m_rx_counter) |
| 944 | OSMO_STRBUF_PRINTF(sb, "Uplink data was received|"); |
| 945 | else |
| 946 | OSMO_STRBUF_PRINTF(sb, "No uplink data received yet|"); |
| 947 | } else { |
| 948 | if (tbf->state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_DL_ACK)) |
| 949 | OSMO_STRBUF_PRINTF(sb, "Downlink ACK was received|"); |
| 950 | else |
| 951 | OSMO_STRBUF_PRINTF(sb, "No downlink ACK received yet|"); |
| 952 | } |
Pau Espin Pedrol | ab8fba3 | 2021-07-27 16:35:00 +0200 | [diff] [blame] | 953 | |
| 954 | return buf; |
| 955 | } |