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 | |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 62 | static void tbf_timer_cb(void *_tbf); |
| 63 | |
Max | 088c7df | 2018-01-23 20:16:23 +0100 | [diff] [blame] | 64 | const struct value_string gprs_rlcmac_tbf_ul_ack_state_names[] = { |
| 65 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ACK_NONE), |
| 66 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ACK_SEND_ACK), /* send acknowledge on next RTS */ |
| 67 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ACK_WAIT_ACK), /* wait for PACKET CONTROL ACK */ |
| 68 | { 0, NULL } |
| 69 | }; |
| 70 | |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 71 | static const struct value_string tbf_counters_names[] = { |
| 72 | OSMO_VALUE_STRING(N3101), |
| 73 | OSMO_VALUE_STRING(N3103), |
| 74 | OSMO_VALUE_STRING(N3105), |
| 75 | { 0, NULL } |
| 76 | }; |
| 77 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 78 | static const struct value_string tbf_timers_names[] = { |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 79 | OSMO_VALUE_STRING(T0), |
Pau Espin Pedrol | 4b6f0bf | 2021-05-10 18:54:52 +0200 | [diff] [blame] | 80 | OSMO_VALUE_STRING(T3141), |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 81 | OSMO_VALUE_STRING(T3191), |
| 82 | OSMO_VALUE_STRING(T3193), |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 83 | { 0, NULL } |
| 84 | }; |
| 85 | |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 86 | static const struct rate_ctr_desc tbf_ctr_description[] = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 87 | { "rlc:nacked", "RLC Nacked " }, |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 88 | }; |
| 89 | |
Pau Espin Pedrol | 442198c | 2020-10-23 22:30:04 +0200 | [diff] [blame] | 90 | const struct rate_ctr_group_desc tbf_ctrg_desc = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 91 | "pcu:tbf", |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 92 | "TBF Statistics", |
| 93 | OSMO_STATS_CLASS_SUBSCRIBER, |
| 94 | ARRAY_SIZE(tbf_ctr_description), |
| 95 | tbf_ctr_description, |
| 96 | }; |
| 97 | |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 98 | gprs_rlcmac_tbf::Meas::Meas() : |
| 99 | rssi_sum(0), |
| 100 | rssi_num(0) |
| 101 | { |
Stefan Sperling | f0f7df1 | 2018-05-25 15:12:30 +0200 | [diff] [blame] | 102 | timespecclear(&rssi_tv); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 103 | } |
| 104 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 105 | 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] | 106 | direction(dir), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 107 | trx(NULL), |
| 108 | first_ts(0), |
| 109 | first_common_ts(0), |
| 110 | control_ts(0xff), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 111 | fT(0), |
| 112 | num_fT_exp(0), |
Pau Espin Pedrol | 907f037 | 2021-07-29 16:34:04 +0200 | [diff] [blame^] | 113 | upgrade_to_multislot(false), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 114 | bts(bts_), |
| 115 | m_tfi(0), |
| 116 | m_created_ts(0), |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 117 | m_ctrs(NULL), |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 118 | m_ms(ms), |
Max | 088c7df | 2018-01-23 20:16:23 +0100 | [diff] [blame] | 119 | ul_ack_state(GPRS_RLCMAC_UL_ACK_NONE), |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 120 | m_egprs_enabled(false) |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 121 | { |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 122 | /* The classes of these members do not have proper constructors yet. |
| 123 | * Just set them to 0 like talloc_zero did */ |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 124 | memset(&pdch, 0, sizeof(pdch)); |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 125 | memset(&Tarr, 0, sizeof(Tarr)); |
| 126 | memset(&Narr, 0, sizeof(Narr)); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 127 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 128 | memset(&m_ms_list, 0, sizeof(m_ms_list)); |
| 129 | m_ms_list.entry = this; |
| 130 | |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 131 | memset(&m_trx_list, 0, sizeof(m_trx_list)); |
| 132 | m_trx_list.entry = this; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 133 | |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 134 | memset(&state_fsm, 0, sizeof(state_fsm)); |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 135 | state_fsm.tbf = this; |
| 136 | state_fsm.fi = osmo_fsm_inst_alloc(&tbf_fsm, this, &state_fsm, LOGL_INFO, NULL); |
| 137 | |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 138 | memset(&ul_ass_fsm, 0, sizeof(ul_ass_fsm)); |
| 139 | ul_ass_fsm.tbf = this; |
| 140 | ul_ass_fsm.fi = osmo_fsm_inst_alloc(&tbf_ul_ass_fsm, this, &ul_ass_fsm, LOGL_INFO, NULL); |
Pau Espin Pedrol | 49a2f40 | 2021-07-27 17:33:07 +0200 | [diff] [blame] | 141 | memset(&dl_ass_fsm, 0, sizeof(dl_ass_fsm)); |
| 142 | dl_ass_fsm.tbf = this; |
| 143 | dl_ass_fsm.fi = osmo_fsm_inst_alloc(&tbf_dl_ass_fsm, this, &dl_ass_fsm, LOGL_INFO, NULL); |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 144 | |
Pau Espin Pedrol | 0b0748a | 2018-05-16 15:20:39 +0200 | [diff] [blame] | 145 | m_rlc.init(); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 146 | m_llc.init(); |
| 147 | |
| 148 | m_name_buf[0] = '\0'; |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 149 | } |
| 150 | |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 151 | |
| 152 | gprs_rlcmac_tbf::~gprs_rlcmac_tbf() |
| 153 | { |
| 154 | osmo_fsm_inst_free(state_fsm.fi); |
| 155 | state_fsm.fi = NULL; |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 156 | |
| 157 | osmo_fsm_inst_free(ul_ass_fsm.fi); |
| 158 | ul_ass_fsm.fi = NULL; |
Pau Espin Pedrol | 49a2f40 | 2021-07-27 17:33:07 +0200 | [diff] [blame] | 159 | osmo_fsm_inst_free(dl_ass_fsm.fi); |
| 160 | dl_ass_fsm.fi = NULL; |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 161 | |
Pau Espin Pedrol | 131deb0 | 2021-07-26 18:24:14 +0200 | [diff] [blame] | 162 | rate_ctr_group_free(m_ctrs); |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 163 | } |
| 164 | |
Jacob Erlbeck | 8759735 | 2015-05-18 11:56:50 +0200 | [diff] [blame] | 165 | uint32_t gprs_rlcmac_tbf::tlli() const |
| 166 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 167 | return m_ms ? ms_tlli(m_ms) : GSM_RESERVED_TMSI; |
Jacob Erlbeck | 8759735 | 2015-05-18 11:56:50 +0200 | [diff] [blame] | 168 | } |
| 169 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 170 | const char *gprs_rlcmac_tbf::imsi() const |
Holger Hans Peter Freyther | d868928 | 2013-08-24 20:51:06 +0200 | [diff] [blame] | 171 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 172 | return ms_imsi(m_ms); |
Holger Hans Peter Freyther | d868928 | 2013-08-24 20:51:06 +0200 | [diff] [blame] | 173 | } |
| 174 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 175 | uint8_t gprs_rlcmac_tbf::ta() const |
| 176 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 177 | return ms_ta(m_ms); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | void gprs_rlcmac_tbf::set_ta(uint8_t ta) |
| 181 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 182 | ms_set_ta(m_ms, ta); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 183 | } |
| 184 | |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 185 | uint8_t gprs_rlcmac_tbf::ms_class() const |
| 186 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 187 | return ms_ms_class(m_ms); |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 188 | } |
| 189 | |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 190 | enum CodingScheme gprs_rlcmac_tbf::current_cs() const |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 191 | { |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 192 | enum CodingScheme cs; |
Pau Espin Pedrol | fc46493 | 2021-01-25 12:05:32 +0100 | [diff] [blame] | 193 | enum mcs_kind req_mcs_kind = is_egprs_enabled() ? EGPRS : GPRS; |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 194 | |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 195 | if (direction == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | 2238228 | 2021-01-25 11:37:19 +0100 | [diff] [blame] | 196 | cs = ms_current_cs_ul(m_ms); |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 197 | else |
Pau Espin Pedrol | fc46493 | 2021-01-25 12:05:32 +0100 | [diff] [blame] | 198 | cs = ms_current_cs_dl(m_ms, req_mcs_kind); |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 199 | |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 200 | return cs; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 201 | } |
| 202 | |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 203 | gprs_llc_queue *gprs_rlcmac_tbf::llc_queue() |
| 204 | { |
Pau Espin Pedrol | 2238228 | 2021-01-25 11:37:19 +0100 | [diff] [blame] | 205 | return ms_llc_queue(m_ms); |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 206 | } |
| 207 | |
| 208 | const gprs_llc_queue *gprs_rlcmac_tbf::llc_queue() const |
| 209 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 210 | return ms_llc_queue(m_ms); |
Alexander Couzens | d38b92e | 2016-08-21 19:38:30 +0200 | [diff] [blame] | 211 | } |
| 212 | |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 213 | void gprs_rlcmac_tbf::set_ms(GprsMs *ms) |
| 214 | { |
| 215 | if (m_ms == ms) |
| 216 | return; |
| 217 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 218 | if (m_ms) { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 219 | ms_detach_tbf(m_ms, this); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 220 | } |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 221 | |
| 222 | m_ms = ms; |
| 223 | |
| 224 | if (m_ms) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 225 | ms_attach_tbf(m_ms, this); |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 226 | } |
| 227 | |
Jacob Erlbeck | be0cbc1 | 2015-05-18 14:35:11 +0200 | [diff] [blame] | 228 | 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] | 229 | { |
Vadim Yanitskiy | cb98894 | 2020-11-08 13:27:35 +0700 | [diff] [blame] | 230 | if (tlli == GSM_RESERVED_TMSI) |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 231 | return; |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 232 | |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 233 | /* TODO: When the TLLI does not match the ms, check if there is another |
| 234 | * MS object that belongs to that TLLI and if yes make sure one of them |
| 235 | * gets deleted. This is the same problem that can arise with |
Pau Espin Pedrol | 528820d | 2020-10-26 12:40:11 +0100 | [diff] [blame] | 236 | * 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] | 237 | if (!ms_check_tlli(ms(), tlli)) { |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 238 | GprsMs *old_ms; |
| 239 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 240 | old_ms = bts_ms_store(bts)->get_ms(tlli, 0, NULL); |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 241 | if (old_ms) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 242 | ms_merge_and_clear_ms(ms(), old_ms); |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 243 | } |
| 244 | |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 245 | if (dir == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 246 | ms_set_tlli(ms(), tlli); |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 247 | else |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 248 | ms_confirm_tlli(ms(), tlli); |
Daniel Willmann | e481815 | 2014-08-15 16:52:09 +0200 | [diff] [blame] | 249 | } |
| 250 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 251 | static void tbf_unlink_pdch(struct gprs_rlcmac_tbf *tbf) |
| 252 | { |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 253 | int ts; |
| 254 | |
Jacob Erlbeck | ccc34e4 | 2015-06-29 13:45:05 +0200 | [diff] [blame] | 255 | for (ts = 0; ts < 8; ts++) { |
| 256 | if (!tbf->pdch[ts]) |
| 257 | continue; |
| 258 | |
| 259 | tbf->pdch[ts]->detach_tbf(tbf); |
| 260 | tbf->pdch[ts] = NULL; |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 261 | } |
| 262 | } |
| 263 | |
| 264 | void tbf_free(struct gprs_rlcmac_tbf *tbf) |
| 265 | { |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 266 | /* update counters */ |
Pau Espin Pedrol | b5fece9 | 2021-08-23 16:58:04 +0200 | [diff] [blame] | 267 | if (tbf->direction == GPRS_RLCMAC_UL_TBF) { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 268 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_UL_FREED); |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 269 | if (tbf->state_is(TBF_ST_FLOW)) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 270 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_UL_ABORTED); |
Pau Espin Pedrol | b5fece9 | 2021-08-23 16:58:04 +0200 | [diff] [blame] | 271 | } else { |
| 272 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(tbf); |
Pau Espin Pedrol | 284711d | 2021-07-26 18:32:36 +0200 | [diff] [blame] | 273 | gprs_rlc_dl_window *win = static_cast<gprs_rlc_dl_window *>(dl_tbf->window()); |
| 274 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 275 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_DL_FREED); |
Pau Espin Pedrol | 284711d | 2021-07-26 18:32:36 +0200 | [diff] [blame] | 276 | if (tbf->state_is(TBF_ST_FLOW)) { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 277 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_DL_ABORTED); |
Pau Espin Pedrol | 284711d | 2021-07-26 18:32:36 +0200 | [diff] [blame] | 278 | /* range V(A)..V(S)-1 */ |
| 279 | uint16_t lost = win->count_unacked(); |
| 280 | /* report all outstanding packets as lost */ |
| 281 | gprs_rlcmac_received_lost(dl_tbf, 0, lost); |
| 282 | /* TODO: Reschedule all LLC frames starting with the one that is |
| 283 | * (partly) encoded in chunk 1 of block V(A). (optional) */ |
| 284 | } |
Pau Espin Pedrol | 284711d | 2021-07-26 18:32:36 +0200 | [diff] [blame] | 285 | /* reset rlc states */ |
| 286 | win->reset(); |
Daniel Willmann | 418a423 | 2014-08-08 11:21:04 +0200 | [diff] [blame] | 287 | } |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 288 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 289 | LOGPTBF(tbf, LOGL_INFO, "free\n"); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 290 | tbf->stop_timers("freeing TBF"); |
Max | 5a6bcfb | 2017-09-01 14:36:44 +0200 | [diff] [blame] | 291 | /* TODO: Could/Should generate bssgp_tx_llc_discarded */ |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 292 | tbf_unlink_pdch(tbf); |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 293 | llist_del(tbf_trx_list(tbf)); |
Holger Hans Peter Freyther | 1587764 | 2013-10-27 09:50:15 +0100 | [diff] [blame] | 294 | |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 295 | if (tbf->ms()) |
| 296 | tbf->set_ms(NULL); |
| 297 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 298 | LOGP(DTBF, LOGL_DEBUG, "********** %s-TBF ends here **********\n", |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 299 | (tbf->direction != GPRS_RLCMAC_UL_TBF) ? "DL" : "UL"); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 300 | talloc_free(tbf); |
| 301 | } |
| 302 | |
Pau Espin Pedrol | 0ece97d | 2021-01-18 12:53:54 +0100 | [diff] [blame] | 303 | 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] | 304 | { |
| 305 | uint8_t num_pdch = pcu_bitcount(slots); |
| 306 | |
| 307 | return OSMO_MIN((num_pdch != 1) ? (128 * num_pdch) : 192, |
Pau Espin Pedrol | 519d071 | 2021-01-14 14:30:03 +0100 | [diff] [blame] | 308 | 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] | 309 | } |
| 310 | |
Jacob Erlbeck | e0c734d | 2015-07-03 14:03:33 +0200 | [diff] [blame] | 311 | int gprs_rlcmac_tbf::update() |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 312 | { |
Jacob Erlbeck | e0c734d | 2015-07-03 14:03:33 +0200 | [diff] [blame] | 313 | int rc; |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 314 | |
Holger Hans Peter Freyther | aa9c326 | 2013-10-26 17:49:36 +0200 | [diff] [blame] | 315 | if (direction != GPRS_RLCMAC_DL_TBF) |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 316 | return -EINVAL; |
| 317 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 318 | LOGP(DTBF, LOGL_DEBUG, "********** DL-TBF update **********\n"); |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 319 | |
Holger Hans Peter Freyther | aa9c326 | 2013-10-26 17:49:36 +0200 | [diff] [blame] | 320 | tbf_unlink_pdch(this); |
Pau Espin Pedrol | c85e093 | 2021-02-25 18:08:10 +0100 | [diff] [blame] | 321 | rc = the_pcu->alloc_algorithm(bts, this, false, -1); |
Holger Hans Peter Freyther | 90b87ea | 2013-10-27 10:38:31 +0100 | [diff] [blame] | 322 | /* if no resource */ |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 323 | if (rc < 0) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 324 | LOGPTBF(this, LOGL_ERROR, "No resource after update???\n"); |
Pau Espin Pedrol | 4e1c9ad | 2021-02-25 17:21:32 +0100 | [diff] [blame] | 325 | bts_do_rate_ctr_inc(bts, CTR_TBF_ALLOC_FAIL); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 326 | return -rc; |
| 327 | } |
| 328 | |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 329 | if (is_egprs_enabled()) { |
| 330 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
| 331 | if (dl_tbf) |
Max | 9d7357e | 2017-12-14 15:02:33 +0100 | [diff] [blame] | 332 | dl_tbf->set_window_size(); |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 333 | } |
| 334 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 335 | return 0; |
| 336 | } |
| 337 | |
| 338 | int tbf_assign_control_ts(struct gprs_rlcmac_tbf *tbf) |
| 339 | { |
| 340 | if (tbf->control_ts == 0xff) |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 341 | LOGPTBF(tbf, LOGL_INFO, "Setting Control TS %d\n", |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 342 | tbf->first_common_ts); |
| 343 | else if (tbf->control_ts != tbf->first_common_ts) |
Pau Espin Pedrol | 7fd9a29 | 2020-11-30 12:18:38 +0100 | [diff] [blame] | 344 | LOGPTBF(tbf, LOGL_INFO, "Changing Control TS %d -> %d\n", |
| 345 | tbf->control_ts, tbf->first_common_ts); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 346 | tbf->control_ts = tbf->first_common_ts; |
| 347 | |
| 348 | return 0; |
| 349 | } |
| 350 | |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 351 | void gprs_rlcmac_tbf::n_reset(enum tbf_counters n) |
| 352 | { |
| 353 | if (n >= N_MAX) { |
| 354 | LOGPTBF(this, LOGL_ERROR, "attempting to reset unknown counter %s\n", |
| 355 | get_value_string(tbf_counters_names, n)); |
| 356 | return; |
| 357 | } |
| 358 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 359 | Narr[n] = 0; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 360 | } |
| 361 | |
| 362 | /* Increment counter and check for MAX value (return true if we hit it) */ |
| 363 | bool gprs_rlcmac_tbf::n_inc(enum tbf_counters n) |
| 364 | { |
| 365 | uint8_t chk; |
| 366 | |
| 367 | if (n >= N_MAX) { |
| 368 | LOGPTBF(this, LOGL_ERROR, "attempting to increment unknown counter %s\n", |
| 369 | get_value_string(tbf_counters_names, n)); |
| 370 | return true; |
| 371 | } |
| 372 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 373 | Narr[n]++; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 374 | |
| 375 | switch(n) { |
| 376 | case N3101: |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 377 | chk = bts->n3101; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 378 | break; |
| 379 | case N3103: |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 380 | chk = bts->n3103; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 381 | break; |
| 382 | case N3105: |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 383 | chk = bts->n3105; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 384 | break; |
| 385 | default: |
| 386 | LOGPTBF(this, LOGL_ERROR, "unhandled counter %s\n", |
| 387 | get_value_string(tbf_counters_names, n)); |
| 388 | return true; |
| 389 | } |
| 390 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 391 | if (Narr[n] == chk) { |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 392 | LOGPTBF(this, LOGL_NOTICE, "%s exceeded MAX (%u)\n", |
| 393 | get_value_string(tbf_counters_names, n), chk); |
| 394 | return true; |
Pau Espin Pedrol | 58fdc54 | 2021-03-04 14:10:52 +0100 | [diff] [blame] | 395 | } else { |
| 396 | LOGPTBF(this, LOGL_DEBUG, "%s %" PRIu8 " => %" PRIu8 " (< MAX %" PRIu8 ")\n", |
| 397 | get_value_string(tbf_counters_names, n), Narr[n] - 1, Narr[n], chk); |
| 398 | return false; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 399 | } |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 400 | } |
| 401 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 402 | 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] | 403 | { |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 404 | if (t >= T_MAX) { |
| 405 | LOGPTBF(this, LOGL_ERROR, "attempting to stop unknown timer %s [%s]\n", |
| 406 | get_value_string(tbf_timers_names, t), reason); |
Max | 0bc982e | 2017-12-21 18:58:50 +0100 | [diff] [blame] | 407 | return; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 408 | } |
| 409 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 410 | if (osmo_timer_pending(&Tarr[t])) { |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 411 | LOGPTBF(this, LOGL_DEBUG, "stopping timer %s [%s]\n", |
| 412 | get_value_string(tbf_timers_names, t), reason); |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 413 | osmo_timer_del(&Tarr[t]); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 414 | } |
| 415 | } |
| 416 | |
| 417 | /* check if any of T31xx timer(s) are pending */ |
| 418 | bool gprs_rlcmac_tbf::timers_pending(enum tbf_timers t) |
| 419 | { |
| 420 | uint8_t i; |
| 421 | |
| 422 | if (t != T_MAX) |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 423 | return osmo_timer_pending(&Tarr[t]); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 424 | |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 425 | /* we don't start with T0 because it's internal timer which requires special handling */ |
Pau Espin Pedrol | 4b6f0bf | 2021-05-10 18:54:52 +0200 | [diff] [blame] | 426 | for (i = T3141; i < T_MAX; i++) |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 427 | if (osmo_timer_pending(&Tarr[i])) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 428 | return true; |
| 429 | |
| 430 | return false; |
| 431 | } |
| 432 | |
| 433 | void gprs_rlcmac_tbf::stop_timers(const char *reason) |
| 434 | { |
| 435 | uint8_t i; |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 436 | /* we start with T0 because timer reset does not require any special handling */ |
| 437 | for (i = T0; i < T_MAX; i++) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 438 | t_stop((enum tbf_timers)i, reason); |
Holger Hans Peter Freyther | 86300bb | 2013-10-26 18:01:35 +0200 | [diff] [blame] | 439 | } |
| 440 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 441 | static inline void tbf_timeout_free(struct gprs_rlcmac_tbf *tbf, enum tbf_timers t, bool run_diag) |
| 442 | { |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 443 | if (run_diag) { |
| 444 | LOGPTBF(tbf, LOGL_NOTICE, "%s timeout expired, freeing TBF: %s\n", |
Pau Espin Pedrol | ab8fba3 | 2021-07-27 16:35:00 +0200 | [diff] [blame] | 445 | get_value_string(tbf_timers_names, t), tbf_rlcmac_diag(tbf)); |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 446 | } else { |
| 447 | LOGPTBF(tbf, LOGL_NOTICE, "%s timeout expired, freeing TBF\n", |
| 448 | get_value_string(tbf_timers_names, t)); |
| 449 | } |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 450 | |
| 451 | tbf_free(tbf); |
| 452 | } |
| 453 | |
| 454 | #define T_CBACK(t, diag) static void cb_##t(void *_tbf) { tbf_timeout_free((struct gprs_rlcmac_tbf *)_tbf, t, diag); } |
| 455 | |
Pau Espin Pedrol | 4b6f0bf | 2021-05-10 18:54:52 +0200 | [diff] [blame] | 456 | /* 3GPP TS 44.018 sec 3.5.2.1.5: On the network side, if timer T3141 elapses |
| 457 | * before a successful contention resolution procedure is completed, the newly |
| 458 | * allocated temporary block flow is released as specified in 3GPP TS 44.060 and |
| 459 | * the packet access is forgotten.*/ |
| 460 | T_CBACK(T3141, true) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 461 | T_CBACK(T3191, true) |
| 462 | T_CBACK(T3193, false) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 463 | |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 464 | 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] | 465 | const char *file, unsigned line) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 466 | { |
Pau Espin Pedrol | 4a5209d | 2021-01-18 14:05:40 +0100 | [diff] [blame] | 467 | int current_fn = bts_current_frame_number(bts); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 468 | int sec; |
| 469 | int microsec; |
| 470 | struct osmo_tdef *tdef; |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 471 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 472 | if (!(tdef = osmo_tdef_get_entry(bts->T_defs_bts, T))) |
Pau Espin Pedrol | 924aaad | 2021-01-14 12:01:42 +0100 | [diff] [blame] | 473 | tdef = osmo_tdef_get_entry(bts->pcu->T_defs, T); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 474 | |
| 475 | if (t >= T_MAX || !tdef) { |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 476 | LOGPSRC(DTBF, LOGL_ERROR, file, line, "%s attempting to start unknown timer %s [%s], cur_fn=%d\n", |
| 477 | tbf_name(this), get_value_string(tbf_timers_names, t), reason, current_fn); |
Max | 0bc982e | 2017-12-21 18:58:50 +0100 | [diff] [blame] | 478 | return; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 479 | } |
| 480 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 481 | if (!force && osmo_timer_pending(&Tarr[t])) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 482 | return; |
| 483 | |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 484 | switch (tdef->unit) { |
| 485 | case OSMO_TDEF_MS: |
| 486 | sec = 0; |
| 487 | microsec = tdef->val * 1000; |
| 488 | break; |
| 489 | case OSMO_TDEF_S: |
| 490 | sec = tdef->val; |
| 491 | microsec = 0; |
| 492 | break; |
| 493 | default: |
| 494 | /* so far only timers using MS and S */ |
| 495 | OSMO_ASSERT(false); |
| 496 | } |
| 497 | |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 498 | 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] | 499 | tbf_name(this), osmo_timer_pending(&Tarr[t]) ? "re" : "", |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 500 | get_value_string(tbf_timers_names, t), reason, sec, microsec, current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 501 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 502 | Tarr[t].data = this; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 503 | |
| 504 | switch(t) { |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 505 | case T0: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 506 | Tarr[t].cb = tbf_timer_cb; |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 507 | break; |
Pau Espin Pedrol | 4b6f0bf | 2021-05-10 18:54:52 +0200 | [diff] [blame] | 508 | case T3141: |
| 509 | Tarr[t].cb = cb_T3141; |
| 510 | break; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 511 | case T3191: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 512 | Tarr[t].cb = cb_T3191; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 513 | break; |
| 514 | case T3193: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 515 | Tarr[t].cb = cb_T3193; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 516 | break; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 517 | default: |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 518 | LOGPSRC(DTBF, LOGL_ERROR, file, line, "%s attempting to set callback for unknown timer %s [%s], cur_fn=%d\n", |
| 519 | tbf_name(this), get_value_string(tbf_timers_names, t), reason, current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 520 | } |
| 521 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 522 | osmo_timer_schedule(&Tarr[t], sec, microsec); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 523 | } |
| 524 | |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 525 | 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] | 526 | uint32_t *poll_fn_, unsigned int *rrbp_) const |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 527 | { |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 528 | int rc; |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 529 | if (!is_control_ts(ts)) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 530 | LOGPTBF(this, LOGL_DEBUG, "Polling cannot be " |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 531 | "scheduled in this TS %d (first control TS %d)\n", |
| 532 | ts, control_ts); |
| 533 | return -EINVAL; |
| 534 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 535 | |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 536 | if ((rc = pdch_ulc_get_next_free_rrbp_fn(trx->pdch[ts].ulc, fn, poll_fn_, rrbp_)) < 0) { |
| 537 | LOGPTBF(this, LOGL_DEBUG, |
| 538 | "(bts=%u,trx=%u,ts=%u) FN=%u No suitable free RRBP offset found!\n", |
| 539 | trx->bts->nr, trx->trx_no, ts, fn); |
| 540 | return rc; |
| 541 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 542 | |
| 543 | return 0; |
| 544 | } |
| 545 | |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 546 | 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] | 547 | { |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 548 | const char *chan = "UNKNOWN"; |
| 549 | |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 550 | if (state_fsm.state_flags & (1 << (GPRS_RLCMAC_FLAG_CCCH))) |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 551 | chan = "CCCH"; |
| 552 | |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 553 | if (state_fsm.state_flags & (1 << (GPRS_RLCMAC_FLAG_PACCH))) |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 554 | chan = "PACCH"; |
| 555 | |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 556 | if ((state_fsm.state_flags & (1 << (GPRS_RLCMAC_FLAG_PACCH))) && |
| 557 | (state_fsm.state_flags & (1 << (GPRS_RLCMAC_FLAG_CCCH)))) |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 558 | LOGPTBFDL(this, LOGL_ERROR, |
| 559 | "Attempt to schedule polling on %s (FN=%d, TS=%d) with both CCCH and PACCH flags set - FIXME!\n", |
Pau Espin Pedrol | 4f2c8cd | 2021-03-09 17:05:21 +0100 | [diff] [blame] | 560 | chan, new_poll_fn, ts); |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 561 | |
| 562 | /* schedule polling */ |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 563 | if (pdch_ulc_reserve_tbf_poll(trx->pdch[ts].ulc, new_poll_fn, this, reason) < 0) { |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 564 | LOGPTBFDL(this, LOGL_ERROR, "Failed scheduling poll on %s (FN=%d, TS=%d)\n", |
Pau Espin Pedrol | 58046e4 | 2021-03-29 19:01:13 +0200 | [diff] [blame] | 565 | chan, new_poll_fn, ts); |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 566 | return; |
| 567 | } |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 568 | |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 569 | switch (reason) { |
| 570 | case PDCH_ULC_POLL_UL_ASS: |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 571 | LOGPTBFDL(this, LOGL_INFO, "Scheduled UL Assignment polling on %s (FN=%d, TS=%d)\n", |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 572 | chan, new_poll_fn, ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 573 | break; |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 574 | case PDCH_ULC_POLL_DL_ASS: |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 575 | LOGPTBFDL(this, LOGL_INFO, "Scheduled DL Assignment polling on %s (FN=%d, TS=%d)\n", |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 576 | chan, new_poll_fn, ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 577 | break; |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 578 | case PDCH_ULC_POLL_UL_ACK: |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 579 | ul_ack_state = GPRS_RLCMAC_UL_ACK_WAIT_ACK; |
| 580 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 581 | LOGPTBFUL(this, LOGL_DEBUG, "Scheduled UL Acknowledgement polling on %s (FN=%d, TS=%d)\n", |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 582 | chan, new_poll_fn, ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 583 | break; |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 584 | case PDCH_ULC_POLL_DL_ACK: |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 585 | LOGPTBFDL(this, LOGL_DEBUG, "Scheduled DL Acknowledgement polling on %s (FN=%d, TS=%d)\n", |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 586 | chan, new_poll_fn, ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 587 | break; |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 588 | case PDCH_ULC_POLL_CELL_CHG_CONTINUE: |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 589 | LOGPTBFDL(this, LOGL_DEBUG, "Scheduled 'Packet Cell Change Continue' polling on %s (FN=%d, TS=%d)\n", |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 590 | chan, new_poll_fn, ts); |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 591 | break; |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 592 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 593 | } |
| 594 | |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 595 | 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] | 596 | { |
Pau Espin Pedrol | d7c3265 | 2019-12-23 12:41:34 +0100 | [diff] [blame] | 597 | uint16_t pgroup; |
Max | fd13f6c | 2017-07-07 14:29:36 +0200 | [diff] [blame] | 598 | gprs_rlcmac_ul_tbf *ul_tbf = as_ul_tbf(this); |
| 599 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 600 | 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] | 601 | poll_fn, pdch->ts_no, bts_current_frame_number(bts)); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 602 | |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 603 | if (ul_tbf && ul_tbf->handle_ctrl_ack(reason)) { |
Max | fd13f6c | 2017-07-07 14:29:36 +0200 | [diff] [blame] | 604 | if (!ul_tbf->ctrl_ack_to_toggle()) { |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 605 | LOGPTBF(this, LOGL_NOTICE, |
| 606 | "Timeout for polling PACKET CONTROL ACK for PACKET UPLINK ACK: %s\n", |
Pau Espin Pedrol | ab8fba3 | 2021-07-27 16:35:00 +0200 | [diff] [blame] | 607 | tbf_rlcmac_diag(this)); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 608 | } |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 609 | bts_do_rate_ctr_inc(bts, CTR_RLC_ACK_TIMEDOUT); |
| 610 | bts_do_rate_ctr_inc(bts, CTR_PUAN_POLL_TIMEDOUT); |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 611 | if (state_is(TBF_ST_FINISHED)) { |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 612 | if (ul_tbf->n_inc(N3103)) { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 613 | bts_do_rate_ctr_inc(bts, CTR_PUAN_POLL_FAILED); |
Pau Espin Pedrol | 55f600b | 2021-07-26 15:54:39 +0200 | [diff] [blame] | 614 | 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] | 615 | return; |
| 616 | } |
| 617 | /* reschedule UL ack */ |
Daniel Willmann | 6a16e0c | 2014-08-07 13:03:35 +0200 | [diff] [blame] | 618 | 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] | 619 | } |
Jacob Erlbeck | c91c18e | 2015-07-07 09:33:29 +0200 | [diff] [blame] | 620 | |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 621 | } else if (ul_ass_state_is(TBF_UL_ASS_WAIT_ACK)) { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 622 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_TIMEDOUT); |
| 623 | bts_do_rate_ctr_inc(bts, CTR_PUA_POLL_TIMEDOUT); |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 624 | if (n_inc(N3105)) { |
Pau Espin Pedrol | 55f600b | 2021-07-26 15:54:39 +0200 | [diff] [blame] | 625 | 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] | 626 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_FAILED); |
| 627 | bts_do_rate_ctr_inc(bts, CTR_PUA_POLL_FAILED); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 628 | return; |
| 629 | } |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 630 | /* Signal timeout to FSM to reschedule UL assignment */ |
| 631 | osmo_fsm_inst_dispatch(this->ul_ass_fsm.fi, TBF_UL_ASS_EV_ASS_POLL_TIMEOUT, NULL); |
Pau Espin Pedrol | 49a2f40 | 2021-07-27 17:33:07 +0200 | [diff] [blame] | 632 | } else if (dl_ass_state_is(TBF_DL_ASS_WAIT_ACK)) { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 633 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_TIMEDOUT); |
| 634 | bts_do_rate_ctr_inc(bts, CTR_PDA_POLL_TIMEDOUT); |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 635 | if (n_inc(N3105)) { |
Pau Espin Pedrol | 55f600b | 2021-07-26 15:54:39 +0200 | [diff] [blame] | 636 | 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] | 637 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_FAILED); |
| 638 | bts_do_rate_ctr_inc(bts, CTR_PDA_POLL_FAILED); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 639 | return; |
| 640 | } |
Pau Espin Pedrol | 49a2f40 | 2021-07-27 17:33:07 +0200 | [diff] [blame] | 641 | /* Signal timeout to FSM to reschedule DL assignment */ |
| 642 | osmo_fsm_inst_dispatch(this->dl_ass_fsm.fi, TBF_DL_ASS_EV_ASS_POLL_TIMEOUT, NULL); |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 643 | } else if (m_ms->nacc && m_ms->nacc->fi->state == NACC_ST_WAIT_CELL_CHG_CONTINUE_ACK && |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 644 | m_ms->nacc->continue_poll_fn == poll_fn && m_ms->nacc->continue_poll_ts == pdch->ts_no) { |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 645 | /* Timeout waiting for CTRL ACK acking Pkt Cell Change Continue */ |
| 646 | osmo_fsm_inst_dispatch(m_ms->nacc->fi, NACC_EV_TIMEOUT_CELL_CHG_CONTINUE, NULL); |
| 647 | return; |
Pau Espin Pedrol | b5fece9 | 2021-08-23 16:58:04 +0200 | [diff] [blame] | 648 | } else if (direction == GPRS_RLCMAC_DL_TBF) { |
| 649 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
| 650 | |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 651 | 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] | 652 | LOGPTBF(this, LOGL_NOTICE, |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 653 | "Timeout for polling PACKET DOWNLINK ACK: %s\n", |
Pau Espin Pedrol | ab8fba3 | 2021-07-27 16:35:00 +0200 | [diff] [blame] | 654 | tbf_rlcmac_diag(dl_tbf)); |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 655 | 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] | 656 | } |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 657 | |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 658 | if (dl_tbf->state_is(TBF_ST_RELEASING)) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 659 | bts_do_rate_ctr_inc(bts, CTR_RLC_REL_TIMEDOUT); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 660 | else { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 661 | bts_do_rate_ctr_inc(bts, CTR_RLC_ACK_TIMEDOUT); |
| 662 | bts_do_rate_ctr_inc(bts, CTR_PDAN_POLL_TIMEDOUT); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 663 | } |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 664 | |
| 665 | if (dl_tbf->n_inc(N3105)) { |
Pau Espin Pedrol | 55f600b | 2021-07-26 15:54:39 +0200 | [diff] [blame] | 666 | 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] | 667 | bts_do_rate_ctr_inc(bts, CTR_PDAN_POLL_FAILED); |
| 668 | bts_do_rate_ctr_inc(bts, CTR_RLC_ACK_FAILED); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 669 | return; |
| 670 | } |
| 671 | /* resend IMM.ASS on CCCH on timeout */ |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 672 | if ((dl_tbf->state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH)) |
| 673 | && !(dl_tbf->state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_DL_ACK))) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 674 | 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] | 675 | imsi()); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 676 | /* send immediate assignment */ |
Pau Espin Pedrol | d7c3265 | 2019-12-23 12:41:34 +0100 | [diff] [blame] | 677 | if ((pgroup = imsi2paging_group(imsi())) > 999) |
| 678 | LOGPTBF(dl_tbf, LOGL_ERROR, "IMSI to paging group failed! (%s)\n", imsi()); |
Pau Espin Pedrol | 2c0931c | 2021-03-29 18:40:18 +0200 | [diff] [blame] | 679 | bts_snd_dl_ass(dl_tbf->bts, dl_tbf, pgroup); |
Daniel Willmann | 7e994e3 | 2014-08-07 15:49:21 +0200 | [diff] [blame] | 680 | dl_tbf->m_wait_confirm = 1; |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 681 | } |
| 682 | } else |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 683 | LOGPTBF(this, LOGL_ERROR, "Poll Timeout, but no event!\n"); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 684 | } |
| 685 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 686 | 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] | 687 | { |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 688 | int rc; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 689 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 690 | if (ms_mode(m_ms) != GPRS) |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 691 | enable_egprs(); |
Daniel Willmann | 1b3864f | 2014-07-30 13:25:19 +0200 | [diff] [blame] | 692 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 693 | m_created_ts = time(NULL); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 694 | /* select algorithm */ |
Pau Espin Pedrol | c85e093 | 2021-02-25 18:08:10 +0100 | [diff] [blame] | 695 | 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] | 696 | /* if no resource */ |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 697 | if (rc < 0) { |
Pau Espin Pedrol | 7c9a4a4 | 2021-02-25 17:21:10 +0100 | [diff] [blame] | 698 | LOGPTBF(this, LOGL_NOTICE, |
| 699 | "Timeslot Allocation failed: trx = %d, single_slot = %d\n", |
| 700 | use_trx, single_slot); |
Pau Espin Pedrol | 4e1c9ad | 2021-02-25 17:21:32 +0100 | [diff] [blame] | 701 | bts_do_rate_ctr_inc(bts, CTR_TBF_ALLOC_FAIL); |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 702 | return -1; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 703 | } |
| 704 | /* assign control ts */ |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 705 | rc = tbf_assign_control_ts(this); |
Holger Hans Peter Freyther | 90b87ea | 2013-10-27 10:38:31 +0100 | [diff] [blame] | 706 | /* if no resource */ |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 707 | if (rc < 0) { |
Pau Espin Pedrol | f62b0ec | 2021-05-13 18:50:10 +0200 | [diff] [blame] | 708 | LOGPTBF(this, LOGL_ERROR, "Failed to assign control TS\n"); |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 709 | return -1; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 710 | } |
| 711 | |
| 712 | /* set timestamp */ |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 713 | osmo_clock_gettime(CLOCK_MONOTONIC, &meas.rssi_tv); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 714 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 715 | LOGPTBF(this, LOGL_INFO, |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 716 | "Allocated: trx = %d, ul_slots = %02x, dl_slots = %02x\n", |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 717 | this->trx->trx_no, ul_slots(), dl_slots()); |
Jacob Erlbeck | 5879c64 | 2015-07-10 10:41:36 +0200 | [diff] [blame] | 718 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 719 | m_ctrs = rate_ctr_group_alloc(this, &tbf_ctrg_desc, next_tbf_ctr_group_id++); |
| 720 | if (!m_ctrs) { |
| 721 | LOGPTBF(this, LOGL_ERROR, "Couldn't allocate TBF counters\n"); |
Harald Welte | 9530a40 | 2017-07-12 00:46:36 +0200 | [diff] [blame] | 722 | return -1; |
| 723 | } |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 724 | |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 725 | tbf_update_state_fsm_name(this); |
| 726 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 727 | ms_attach_tbf(m_ms, this); |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 728 | |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 729 | return 0; |
| 730 | } |
| 731 | |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 732 | static void tbf_timer_cb(void *_tbf) |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 733 | { |
| 734 | struct gprs_rlcmac_tbf *tbf = (struct gprs_rlcmac_tbf *)_tbf; |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 735 | tbf->handle_timeout(); |
| 736 | } |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 737 | |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 738 | void gprs_rlcmac_tbf::handle_timeout() |
| 739 | { |
Pau Espin Pedrol | 4a5209d | 2021-01-18 14:05:40 +0100 | [diff] [blame] | 740 | int current_fn = bts_current_frame_number(bts); |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 741 | |
| 742 | LOGPTBF(this, LOGL_DEBUG, "timer 0 expired. cur_fn=%d\n", current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 743 | |
Pau Espin Pedrol | 039ee82 | 2021-04-26 18:49:33 +0200 | [diff] [blame] | 744 | /* Finish waiting after IMM.ASS confirm timer for CCCH assignment (see timer X2002) */ |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 745 | if ((state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH))) { |
Pau Espin Pedrol | b5fece9 | 2021-08-23 16:58:04 +0200 | [diff] [blame] | 746 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 747 | dl_tbf->m_wait_confirm = 0; |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 748 | if (dl_tbf->state_is(TBF_ST_ASSIGN)) { |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 749 | tbf_assign_control_ts(dl_tbf); |
| 750 | |
| 751 | if (!dl_tbf->upgrade_to_multislot) { |
| 752 | /* change state to FLOW, so scheduler |
| 753 | * will start transmission */ |
Pau Espin Pedrol | 720e19e | 2021-07-22 19:56:37 +0200 | [diff] [blame] | 754 | osmo_fsm_inst_dispatch(dl_tbf->state_fsm.fi, TBF_EV_ASSIGN_READY_CCCH, NULL); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 755 | return; |
| 756 | } |
| 757 | |
| 758 | /* This tbf can be upgraded to use multiple DL |
| 759 | * timeslots and now that there is already one |
| 760 | * slot assigned send another DL assignment via |
| 761 | * PDCH. */ |
| 762 | |
| 763 | /* keep to flags */ |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 764 | dl_tbf->state_fsm.state_flags &= GPRS_RLCMAC_FLAG_TO_MASK; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 765 | |
| 766 | dl_tbf->update(); |
| 767 | |
| 768 | dl_tbf->trigger_ass(dl_tbf); |
| 769 | } else |
| 770 | 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] | 771 | } |
| 772 | } |
| 773 | |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 774 | int gprs_rlcmac_tbf::establish_dl_tbf_on_pacch() |
| 775 | { |
| 776 | struct gprs_rlcmac_dl_tbf *new_tbf = NULL; |
| 777 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 778 | bts_do_rate_ctr_inc(bts, CTR_TBF_REUSED); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 779 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 780 | new_tbf = tbf_alloc_dl_tbf(bts, ms(), |
Pau Espin Pedrol | 322456e | 2020-05-08 18:15:59 +0200 | [diff] [blame] | 781 | this->trx->trx_no, false); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 782 | |
| 783 | if (!new_tbf) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 784 | LOGP(DTBF, LOGL_NOTICE, "No PDCH resource\n"); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 785 | return -1; |
| 786 | } |
| 787 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 788 | LOGPTBF(this, LOGL_DEBUG, "Trigger downlink assignment on PACCH\n"); |
Max | a10c398 | 2017-07-07 18:25:41 +0200 | [diff] [blame] | 789 | new_tbf->trigger_ass(this); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 790 | |
| 791 | return 0; |
| 792 | } |
| 793 | |
Pau Espin Pedrol | 57dcde4 | 2021-02-01 18:14:23 +0100 | [diff] [blame] | 794 | const char *tbf_name(const gprs_rlcmac_tbf *tbf) |
Holger Hans Peter Freyther | bd449f5 | 2013-10-27 16:39:36 +0100 | [diff] [blame] | 795 | { |
Alexander Couzens | e04fd0c | 2016-05-31 13:18:01 +0200 | [diff] [blame] | 796 | return tbf ? tbf->name() : "(no TBF)"; |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 797 | } |
| 798 | |
| 799 | const char *gprs_rlcmac_tbf::name() const |
| 800 | { |
| 801 | snprintf(m_name_buf, sizeof(m_name_buf) - 1, |
Jacob Erlbeck | 5643f35 | 2015-11-27 16:17:40 +0100 | [diff] [blame] | 802 | "TBF(TFI=%d TLLI=0x%08x DIR=%s STATE=%s%s)", |
Jacob Erlbeck | 767193e | 2015-05-20 12:06:46 +0200 | [diff] [blame] | 803 | m_tfi, tlli(), |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 804 | direction == GPRS_RLCMAC_UL_TBF ? "UL" : "DL", |
Jacob Erlbeck | 5643f35 | 2015-11-27 16:17:40 +0100 | [diff] [blame] | 805 | state_name(), |
| 806 | is_egprs_enabled() ? " EGPRS" : "" |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 807 | ); |
| 808 | m_name_buf[sizeof(m_name_buf) - 1] = '\0'; |
| 809 | return m_name_buf; |
Holger Hans Peter Freyther | bd449f5 | 2013-10-27 16:39:36 +0100 | [diff] [blame] | 810 | } |
Holger Hans Peter Freyther | 758dc12 | 2013-11-06 20:39:45 +0100 | [diff] [blame] | 811 | |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 812 | void tbf_update_state_fsm_name(struct gprs_rlcmac_tbf *tbf) |
| 813 | { |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 814 | char buf[64]; |
| 815 | snprintf(buf, sizeof(buf), "%s-TFI_%d", |
| 816 | tbf_direction(tbf) == GPRS_RLCMAC_UL_TBF ? "UL" : "DL", |
| 817 | tbf_tfi(tbf)); |
| 818 | osmo_identifier_sanitize_buf(buf, NULL, '_'); |
| 819 | |
| 820 | osmo_fsm_inst_update_id(tbf->state_fsm.fi, buf); |
| 821 | osmo_fsm_inst_update_id(tbf->ul_ass_fsm.fi, buf); |
Pau Espin Pedrol | 49a2f40 | 2021-07-27 17:33:07 +0200 | [diff] [blame] | 822 | osmo_fsm_inst_update_id(tbf->dl_ass_fsm.fi, buf); |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 823 | } |
| 824 | |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 825 | void gprs_rlcmac_tbf::rotate_in_list() |
| 826 | { |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 827 | llist_del(tbf_trx_list((struct gprs_rlcmac_tbf *)this)); |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 828 | if (direction == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 829 | 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] | 830 | else |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 831 | 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] | 832 | } |
Holger Hans Peter Freyther | 8f399de | 2013-12-25 20:22:35 +0100 | [diff] [blame] | 833 | |
| 834 | uint8_t gprs_rlcmac_tbf::tsc() const |
| 835 | { |
| 836 | return trx->pdch[first_ts].tsc; |
| 837 | } |
Daniel Willmann | afa72f5 | 2014-01-15 17:06:19 +0100 | [diff] [blame] | 838 | |
Jacob Erlbeck | 617c712 | 2015-06-30 09:18:30 +0200 | [diff] [blame] | 839 | uint8_t gprs_rlcmac_tbf::dl_slots() const |
| 840 | { |
| 841 | uint8_t slots = 0; |
| 842 | size_t i; |
| 843 | |
| 844 | if (direction == GPRS_RLCMAC_UL_TBF) |
| 845 | return 0; |
| 846 | |
| 847 | for (i = 0; i < ARRAY_SIZE(pdch); i += 1) |
| 848 | if (pdch[i]) |
| 849 | slots |= 1 << i; |
| 850 | |
| 851 | return slots; |
| 852 | } |
| 853 | |
| 854 | uint8_t gprs_rlcmac_tbf::ul_slots() const |
| 855 | { |
| 856 | uint8_t slots = 0; |
| 857 | size_t i; |
| 858 | |
| 859 | if (direction == GPRS_RLCMAC_DL_TBF) { |
| 860 | if (control_ts < 8) |
| 861 | slots |= 1 << control_ts; |
| 862 | if (first_common_ts < 8) |
| 863 | slots |= 1 << first_common_ts; |
| 864 | |
| 865 | return slots; |
| 866 | } |
| 867 | |
| 868 | for (i = 0; i < ARRAY_SIZE(pdch); i += 1) |
| 869 | if (pdch[i]) |
| 870 | slots |= 1 << i; |
| 871 | |
| 872 | return slots; |
| 873 | } |
Jacob Erlbeck | 646da1b | 2016-01-22 17:41:33 +0100 | [diff] [blame] | 874 | |
| 875 | bool gprs_rlcmac_tbf::is_control_ts(uint8_t ts) const |
| 876 | { |
| 877 | return ts == control_ts; |
| 878 | } |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 879 | |
| 880 | /* C API */ |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 881 | 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] | 882 | { |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 883 | return (enum tbf_fsm_states)tbf->state_fsm.fi->state; |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 884 | } |
| 885 | |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 886 | struct osmo_fsm_inst *tbf_ul_ass_fi(const struct gprs_rlcmac_tbf *tbf) |
| 887 | { |
| 888 | return tbf->ul_ass_fsm.fi; |
| 889 | } |
| 890 | |
Pau Espin Pedrol | 49a2f40 | 2021-07-27 17:33:07 +0200 | [diff] [blame] | 891 | struct osmo_fsm_inst *tbf_dl_ass_fi(const struct gprs_rlcmac_tbf *tbf) |
| 892 | { |
| 893 | return tbf->dl_ass_fsm.fi; |
| 894 | } |
| 895 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 896 | enum gprs_rlcmac_tbf_direction tbf_direction(const struct gprs_rlcmac_tbf *tbf) |
| 897 | { |
| 898 | return tbf->direction; |
| 899 | } |
| 900 | |
| 901 | void tbf_set_ms(struct gprs_rlcmac_tbf *tbf, GprsMs *ms) |
| 902 | { |
| 903 | tbf->set_ms(ms); |
| 904 | } |
| 905 | |
| 906 | struct llist_head *tbf_ms_list(struct gprs_rlcmac_tbf *tbf) |
| 907 | { |
| 908 | return &tbf->m_ms_list.list; |
| 909 | } |
| 910 | |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 911 | struct llist_head *tbf_trx_list(struct gprs_rlcmac_tbf *tbf) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 912 | { |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 913 | return &tbf->m_trx_list.list; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 914 | } |
| 915 | |
Pau Espin Pedrol | 1e77ca8 | 2021-01-27 13:22:03 +0100 | [diff] [blame] | 916 | struct GprsMs *tbf_ms(const struct gprs_rlcmac_tbf *tbf) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 917 | { |
| 918 | return tbf->ms(); |
| 919 | } |
| 920 | |
| 921 | bool tbf_timers_pending(struct gprs_rlcmac_tbf *tbf, enum tbf_timers t) |
| 922 | { |
| 923 | return tbf->timers_pending(t); |
| 924 | } |
| 925 | |
| 926 | struct gprs_llc *tbf_llc(struct gprs_rlcmac_tbf *tbf) |
| 927 | { |
| 928 | return &tbf->m_llc; |
| 929 | } |
| 930 | |
| 931 | uint8_t tbf_first_common_ts(const struct gprs_rlcmac_tbf *tbf) |
| 932 | { |
| 933 | return tbf->first_common_ts; |
| 934 | } |
| 935 | |
| 936 | uint8_t tbf_dl_slots(const struct gprs_rlcmac_tbf *tbf) |
| 937 | { |
| 938 | return tbf->dl_slots(); |
| 939 | } |
| 940 | uint8_t tbf_ul_slots(const struct gprs_rlcmac_tbf *tbf) |
| 941 | { |
| 942 | return tbf->ul_slots(); |
| 943 | } |
| 944 | |
| 945 | bool tbf_is_tfi_assigned(const struct gprs_rlcmac_tbf *tbf) |
| 946 | { |
| 947 | return tbf->is_tfi_assigned(); |
| 948 | } |
Pau Espin Pedrol | c0a250d | 2021-01-21 18:46:13 +0100 | [diff] [blame] | 949 | |
| 950 | uint8_t tbf_tfi(const struct gprs_rlcmac_tbf *tbf) |
| 951 | { |
| 952 | return tbf->tfi(); |
| 953 | } |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 954 | |
Pau Espin Pedrol | 6ad11a6 | 2021-07-27 12:27:08 +0200 | [diff] [blame] | 955 | bool tbf_is_egprs_enabled(const struct gprs_rlcmac_tbf *tbf) |
| 956 | { |
| 957 | return tbf->is_egprs_enabled(); |
| 958 | } |
| 959 | |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 960 | int tbf_check_polling(const struct gprs_rlcmac_tbf *tbf, uint32_t fn, uint8_t ts, uint32_t *poll_fn, unsigned int *rrbp) |
| 961 | { |
| 962 | return tbf->check_polling(fn, ts, poll_fn, rrbp); |
| 963 | } |
| 964 | |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 965 | 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] | 966 | { |
| 967 | return tbf->set_polling(new_poll_fn, ts, t); |
| 968 | } |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 969 | |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 970 | 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] | 971 | { |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 972 | tbf->poll_timeout(pdch, poll_fn, reason); |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 973 | } |
Pau Espin Pedrol | ab8fba3 | 2021-07-27 16:35:00 +0200 | [diff] [blame] | 974 | |
Pau Espin Pedrol | 49a2f40 | 2021-07-27 17:33:07 +0200 | [diff] [blame] | 975 | bool tbf_is_control_ts(const struct gprs_rlcmac_tbf *tbf, uint8_t ts) |
| 976 | { |
| 977 | return tbf->is_control_ts(ts); |
| 978 | } |
| 979 | |
Pau Espin Pedrol | ab8fba3 | 2021-07-27 16:35:00 +0200 | [diff] [blame] | 980 | const char* tbf_rlcmac_diag(const struct gprs_rlcmac_tbf *tbf) |
| 981 | { |
| 982 | static char buf[256]; |
| 983 | struct osmo_strbuf sb = { .buf = buf, .len = sizeof(buf) }; |
| 984 | |
| 985 | OSMO_STRBUF_PRINTF(sb, "|"); |
| 986 | if (tbf->state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH)) |
| 987 | OSMO_STRBUF_PRINTF(sb, "Assignment was on CCCH|"); |
| 988 | if (tbf->state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_PACCH)) |
| 989 | OSMO_STRBUF_PRINTF(sb, "Assignment was on PACCH|"); |
Pau Espin Pedrol | c65c9e5 | 2021-07-28 18:22:00 +0200 | [diff] [blame] | 990 | if (tbf->direction == GPRS_RLCMAC_UL_TBF) { |
| 991 | const struct gprs_rlcmac_ul_tbf *ul_tbf = static_cast<const gprs_rlcmac_ul_tbf *>(tbf); |
| 992 | if (ul_tbf->m_rx_counter) |
| 993 | OSMO_STRBUF_PRINTF(sb, "Uplink data was received|"); |
| 994 | else |
| 995 | OSMO_STRBUF_PRINTF(sb, "No uplink data received yet|"); |
| 996 | } else { |
| 997 | if (tbf->state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_DL_ACK)) |
| 998 | OSMO_STRBUF_PRINTF(sb, "Downlink ACK was received|"); |
| 999 | else |
| 1000 | OSMO_STRBUF_PRINTF(sb, "No downlink ACK received yet|"); |
| 1001 | } |
Pau Espin Pedrol | ab8fba3 | 2021-07-27 16:35:00 +0200 | [diff] [blame] | 1002 | |
| 1003 | return buf; |
| 1004 | } |