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 | e66de5b | 2017-01-05 18:26:58 +0100 | [diff] [blame] | 64 | const struct value_string gprs_rlcmac_tbf_dl_ass_state_names[] = { |
| 65 | OSMO_VALUE_STRING(GPRS_RLCMAC_DL_ASS_NONE), |
| 66 | OSMO_VALUE_STRING(GPRS_RLCMAC_DL_ASS_SEND_ASS), |
| 67 | OSMO_VALUE_STRING(GPRS_RLCMAC_DL_ASS_WAIT_ACK), |
| 68 | { 0, NULL } |
| 69 | }; |
| 70 | |
| 71 | const struct value_string gprs_rlcmac_tbf_ul_ass_state_names[] = { |
| 72 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ASS_NONE), |
| 73 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ASS_SEND_ASS), |
| 74 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ASS_SEND_ASS_REJ), |
| 75 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ASS_WAIT_ACK), |
| 76 | { 0, NULL } |
| 77 | }; |
| 78 | |
Max | 088c7df | 2018-01-23 20:16:23 +0100 | [diff] [blame] | 79 | const struct value_string gprs_rlcmac_tbf_ul_ack_state_names[] = { |
| 80 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ACK_NONE), |
| 81 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ACK_SEND_ACK), /* send acknowledge on next RTS */ |
| 82 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ACK_WAIT_ACK), /* wait for PACKET CONTROL ACK */ |
| 83 | { 0, NULL } |
| 84 | }; |
| 85 | |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 86 | static const struct value_string tbf_counters_names[] = { |
| 87 | OSMO_VALUE_STRING(N3101), |
| 88 | OSMO_VALUE_STRING(N3103), |
| 89 | OSMO_VALUE_STRING(N3105), |
| 90 | { 0, NULL } |
| 91 | }; |
| 92 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 93 | static const struct value_string tbf_timers_names[] = { |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 94 | OSMO_VALUE_STRING(T0), |
Pau Espin Pedrol | 4b6f0bf | 2021-05-10 18:54:52 +0200 | [diff] [blame] | 95 | OSMO_VALUE_STRING(T3141), |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 96 | OSMO_VALUE_STRING(T3191), |
| 97 | OSMO_VALUE_STRING(T3193), |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 98 | { 0, NULL } |
| 99 | }; |
| 100 | |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 101 | static const struct rate_ctr_desc tbf_ctr_description[] = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 102 | { "rlc:nacked", "RLC Nacked " }, |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 103 | }; |
| 104 | |
Pau Espin Pedrol | 442198c | 2020-10-23 22:30:04 +0200 | [diff] [blame] | 105 | const struct rate_ctr_group_desc tbf_ctrg_desc = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 106 | "pcu:tbf", |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 107 | "TBF Statistics", |
| 108 | OSMO_STATS_CLASS_SUBSCRIBER, |
| 109 | ARRAY_SIZE(tbf_ctr_description), |
| 110 | tbf_ctr_description, |
| 111 | }; |
| 112 | |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 113 | gprs_rlcmac_tbf::Meas::Meas() : |
| 114 | rssi_sum(0), |
| 115 | rssi_num(0) |
| 116 | { |
Stefan Sperling | f0f7df1 | 2018-05-25 15:12:30 +0200 | [diff] [blame] | 117 | timespecclear(&rssi_tv); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 118 | } |
| 119 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 120 | 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] | 121 | direction(dir), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 122 | trx(NULL), |
| 123 | first_ts(0), |
| 124 | first_common_ts(0), |
| 125 | control_ts(0xff), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 126 | fT(0), |
| 127 | num_fT_exp(0), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 128 | was_releasing(0), |
| 129 | upgrade_to_multislot(0), |
| 130 | bts(bts_), |
| 131 | m_tfi(0), |
| 132 | m_created_ts(0), |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 133 | m_ctrs(NULL), |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 134 | m_ms(ms), |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 135 | dl_ass_state(GPRS_RLCMAC_DL_ASS_NONE), |
| 136 | ul_ass_state(GPRS_RLCMAC_UL_ASS_NONE), |
Max | 088c7df | 2018-01-23 20:16:23 +0100 | [diff] [blame] | 137 | ul_ack_state(GPRS_RLCMAC_UL_ACK_NONE), |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 138 | m_egprs_enabled(false) |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 139 | { |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 140 | /* The classes of these members do not have proper constructors yet. |
| 141 | * Just set them to 0 like talloc_zero did */ |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 142 | memset(&pdch, 0, sizeof(pdch)); |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 143 | memset(&Tarr, 0, sizeof(Tarr)); |
| 144 | memset(&Narr, 0, sizeof(Narr)); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 145 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 146 | memset(&m_ms_list, 0, sizeof(m_ms_list)); |
| 147 | m_ms_list.entry = this; |
| 148 | |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 149 | memset(&m_trx_list, 0, sizeof(m_trx_list)); |
| 150 | m_trx_list.entry = this; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 151 | |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 152 | memset(&state_fsm, 0, sizeof(state_fsm)); |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 153 | state_fsm.tbf = this; |
| 154 | state_fsm.fi = osmo_fsm_inst_alloc(&tbf_fsm, this, &state_fsm, LOGL_INFO, NULL); |
| 155 | |
Pau Espin Pedrol | 0b0748a | 2018-05-16 15:20:39 +0200 | [diff] [blame] | 156 | m_rlc.init(); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 157 | m_llc.init(); |
| 158 | |
| 159 | m_name_buf[0] = '\0'; |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 160 | } |
| 161 | |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 162 | |
| 163 | gprs_rlcmac_tbf::~gprs_rlcmac_tbf() |
| 164 | { |
| 165 | osmo_fsm_inst_free(state_fsm.fi); |
| 166 | state_fsm.fi = NULL; |
| 167 | } |
| 168 | |
Jacob Erlbeck | 8759735 | 2015-05-18 11:56:50 +0200 | [diff] [blame] | 169 | uint32_t gprs_rlcmac_tbf::tlli() const |
| 170 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 171 | return m_ms ? ms_tlli(m_ms) : GSM_RESERVED_TMSI; |
Jacob Erlbeck | 8759735 | 2015-05-18 11:56:50 +0200 | [diff] [blame] | 172 | } |
| 173 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 174 | const char *gprs_rlcmac_tbf::imsi() const |
Holger Hans Peter Freyther | d868928 | 2013-08-24 20:51:06 +0200 | [diff] [blame] | 175 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 176 | return ms_imsi(m_ms); |
Holger Hans Peter Freyther | d868928 | 2013-08-24 20:51:06 +0200 | [diff] [blame] | 177 | } |
| 178 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 179 | uint8_t gprs_rlcmac_tbf::ta() const |
| 180 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 181 | return ms_ta(m_ms); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | void gprs_rlcmac_tbf::set_ta(uint8_t ta) |
| 185 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 186 | ms_set_ta(m_ms, ta); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 187 | } |
| 188 | |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 189 | uint8_t gprs_rlcmac_tbf::ms_class() const |
| 190 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 191 | return ms_ms_class(m_ms); |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 192 | } |
| 193 | |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 194 | enum CodingScheme gprs_rlcmac_tbf::current_cs() const |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 195 | { |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 196 | enum CodingScheme cs; |
Pau Espin Pedrol | fc46493 | 2021-01-25 12:05:32 +0100 | [diff] [blame] | 197 | enum mcs_kind req_mcs_kind = is_egprs_enabled() ? EGPRS : GPRS; |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 198 | |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 199 | if (direction == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | 2238228 | 2021-01-25 11:37:19 +0100 | [diff] [blame] | 200 | cs = ms_current_cs_ul(m_ms); |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 201 | else |
Pau Espin Pedrol | fc46493 | 2021-01-25 12:05:32 +0100 | [diff] [blame] | 202 | cs = ms_current_cs_dl(m_ms, req_mcs_kind); |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 203 | |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 204 | return cs; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 205 | } |
| 206 | |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 207 | gprs_llc_queue *gprs_rlcmac_tbf::llc_queue() |
| 208 | { |
Pau Espin Pedrol | 2238228 | 2021-01-25 11:37:19 +0100 | [diff] [blame] | 209 | return ms_llc_queue(m_ms); |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 210 | } |
| 211 | |
| 212 | const gprs_llc_queue *gprs_rlcmac_tbf::llc_queue() const |
| 213 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 214 | return ms_llc_queue(m_ms); |
Alexander Couzens | d38b92e | 2016-08-21 19:38:30 +0200 | [diff] [blame] | 215 | } |
| 216 | |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 217 | void gprs_rlcmac_tbf::set_ms(GprsMs *ms) |
| 218 | { |
| 219 | if (m_ms == ms) |
| 220 | return; |
| 221 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 222 | if (m_ms) { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 223 | ms_detach_tbf(m_ms, this); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 224 | } |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 225 | |
| 226 | m_ms = ms; |
| 227 | |
| 228 | if (m_ms) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 229 | ms_attach_tbf(m_ms, this); |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 230 | } |
| 231 | |
Jacob Erlbeck | be0cbc1 | 2015-05-18 14:35:11 +0200 | [diff] [blame] | 232 | 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] | 233 | { |
Vadim Yanitskiy | cb98894 | 2020-11-08 13:27:35 +0700 | [diff] [blame] | 234 | if (tlli == GSM_RESERVED_TMSI) |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 235 | return; |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 236 | |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 237 | /* TODO: When the TLLI does not match the ms, check if there is another |
| 238 | * MS object that belongs to that TLLI and if yes make sure one of them |
| 239 | * gets deleted. This is the same problem that can arise with |
Pau Espin Pedrol | 528820d | 2020-10-26 12:40:11 +0100 | [diff] [blame] | 240 | * 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] | 241 | if (!ms_check_tlli(ms(), tlli)) { |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 242 | GprsMs *old_ms; |
| 243 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 244 | old_ms = bts_ms_store(bts)->get_ms(tlli, 0, NULL); |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 245 | if (old_ms) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 246 | ms_merge_and_clear_ms(ms(), old_ms); |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 247 | } |
| 248 | |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 249 | if (dir == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 250 | ms_set_tlli(ms(), tlli); |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 251 | else |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 252 | ms_confirm_tlli(ms(), tlli); |
Daniel Willmann | e481815 | 2014-08-15 16:52:09 +0200 | [diff] [blame] | 253 | } |
| 254 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 255 | static void tbf_unlink_pdch(struct gprs_rlcmac_tbf *tbf) |
| 256 | { |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 257 | int ts; |
| 258 | |
Jacob Erlbeck | ccc34e4 | 2015-06-29 13:45:05 +0200 | [diff] [blame] | 259 | for (ts = 0; ts < 8; ts++) { |
| 260 | if (!tbf->pdch[ts]) |
| 261 | continue; |
| 262 | |
| 263 | tbf->pdch[ts]->detach_tbf(tbf); |
| 264 | tbf->pdch[ts] = NULL; |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 265 | } |
| 266 | } |
| 267 | |
| 268 | void tbf_free(struct gprs_rlcmac_tbf *tbf) |
| 269 | { |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 270 | /* update counters */ |
Pau Espin Pedrol | b5fece9 | 2021-08-23 16:58:04 +0200 | [diff] [blame] | 271 | if (tbf->direction == GPRS_RLCMAC_UL_TBF) { |
| 272 | gprs_rlcmac_ul_tbf *ul_tbf = as_ul_tbf(tbf); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 273 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_UL_FREED); |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 274 | if (tbf->state_is(TBF_ST_FLOW)) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 275 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_UL_ABORTED); |
sivasankari | da7250a | 2016-12-16 12:57:18 +0530 | [diff] [blame] | 276 | rate_ctr_group_free(ul_tbf->m_ul_egprs_ctrs); |
| 277 | rate_ctr_group_free(ul_tbf->m_ul_gprs_ctrs); |
Pau Espin Pedrol | b5fece9 | 2021-08-23 16:58:04 +0200 | [diff] [blame] | 278 | } else { |
| 279 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(tbf); |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 280 | if (tbf->is_egprs_enabled()) { |
| 281 | rate_ctr_group_free(dl_tbf->m_dl_egprs_ctrs); |
| 282 | } else { |
| 283 | rate_ctr_group_free(dl_tbf->m_dl_gprs_ctrs); |
| 284 | } |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 285 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_DL_FREED); |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 286 | if (tbf->state_is(TBF_ST_FLOW)) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 287 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_DL_ABORTED); |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 288 | } |
| 289 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 290 | /* Give final measurement report */ |
| 291 | gprs_rlcmac_rssi_rep(tbf); |
Pau Espin Pedrol | b5fece9 | 2021-08-23 16:58:04 +0200 | [diff] [blame] | 292 | if (tbf->direction == GPRS_RLCMAC_DL_TBF) { |
| 293 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(tbf); |
| 294 | |
Jacob Erlbeck | f04a5b3 | 2016-01-21 20:42:40 +0100 | [diff] [blame] | 295 | dl_tbf->abort(); |
Daniel Willmann | 418a423 | 2014-08-08 11:21:04 +0200 | [diff] [blame] | 296 | } |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 297 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 298 | LOGPTBF(tbf, LOGL_INFO, "free\n"); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 299 | tbf->stop_timers("freeing TBF"); |
Max | 5a6bcfb | 2017-09-01 14:36:44 +0200 | [diff] [blame] | 300 | /* TODO: Could/Should generate bssgp_tx_llc_discarded */ |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 301 | tbf_unlink_pdch(tbf); |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 302 | llist_del(tbf_trx_list(tbf)); |
Holger Hans Peter Freyther | 1587764 | 2013-10-27 09:50:15 +0100 | [diff] [blame] | 303 | |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 304 | if (tbf->ms()) |
| 305 | tbf->set_ms(NULL); |
| 306 | |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 307 | rate_ctr_group_free(tbf->m_ctrs); |
| 308 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 309 | LOGP(DTBF, LOGL_DEBUG, "********** %s-TBF ends here **********\n", |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 310 | (tbf->direction != GPRS_RLCMAC_UL_TBF) ? "DL" : "UL"); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 311 | talloc_free(tbf); |
| 312 | } |
| 313 | |
Pau Espin Pedrol | 0ece97d | 2021-01-18 12:53:54 +0100 | [diff] [blame] | 314 | 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] | 315 | { |
| 316 | uint8_t num_pdch = pcu_bitcount(slots); |
| 317 | |
| 318 | return OSMO_MIN((num_pdch != 1) ? (128 * num_pdch) : 192, |
Pau Espin Pedrol | 519d071 | 2021-01-14 14:30:03 +0100 | [diff] [blame] | 319 | 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] | 320 | } |
| 321 | |
Jacob Erlbeck | e0c734d | 2015-07-03 14:03:33 +0200 | [diff] [blame] | 322 | int gprs_rlcmac_tbf::update() |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 323 | { |
Jacob Erlbeck | e0c734d | 2015-07-03 14:03:33 +0200 | [diff] [blame] | 324 | int rc; |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 325 | |
Holger Hans Peter Freyther | aa9c326 | 2013-10-26 17:49:36 +0200 | [diff] [blame] | 326 | if (direction != GPRS_RLCMAC_DL_TBF) |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 327 | return -EINVAL; |
| 328 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 329 | LOGP(DTBF, LOGL_DEBUG, "********** DL-TBF update **********\n"); |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 330 | |
Holger Hans Peter Freyther | aa9c326 | 2013-10-26 17:49:36 +0200 | [diff] [blame] | 331 | tbf_unlink_pdch(this); |
Pau Espin Pedrol | c85e093 | 2021-02-25 18:08:10 +0100 | [diff] [blame] | 332 | rc = the_pcu->alloc_algorithm(bts, this, false, -1); |
Holger Hans Peter Freyther | 90b87ea | 2013-10-27 10:38:31 +0100 | [diff] [blame] | 333 | /* if no resource */ |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 334 | if (rc < 0) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 335 | LOGPTBF(this, LOGL_ERROR, "No resource after update???\n"); |
Pau Espin Pedrol | 4e1c9ad | 2021-02-25 17:21:32 +0100 | [diff] [blame] | 336 | bts_do_rate_ctr_inc(bts, CTR_TBF_ALLOC_FAIL); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 337 | return -rc; |
| 338 | } |
| 339 | |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 340 | if (is_egprs_enabled()) { |
| 341 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
| 342 | if (dl_tbf) |
Max | 9d7357e | 2017-12-14 15:02:33 +0100 | [diff] [blame] | 343 | dl_tbf->set_window_size(); |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 344 | } |
| 345 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 346 | return 0; |
| 347 | } |
| 348 | |
| 349 | int tbf_assign_control_ts(struct gprs_rlcmac_tbf *tbf) |
| 350 | { |
| 351 | if (tbf->control_ts == 0xff) |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 352 | LOGPTBF(tbf, LOGL_INFO, "Setting Control TS %d\n", |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 353 | tbf->first_common_ts); |
| 354 | else if (tbf->control_ts != tbf->first_common_ts) |
Pau Espin Pedrol | 7fd9a29 | 2020-11-30 12:18:38 +0100 | [diff] [blame] | 355 | LOGPTBF(tbf, LOGL_INFO, "Changing Control TS %d -> %d\n", |
| 356 | tbf->control_ts, tbf->first_common_ts); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 357 | tbf->control_ts = tbf->first_common_ts; |
| 358 | |
| 359 | return 0; |
| 360 | } |
| 361 | |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 362 | void gprs_rlcmac_tbf::n_reset(enum tbf_counters n) |
| 363 | { |
| 364 | if (n >= N_MAX) { |
| 365 | LOGPTBF(this, LOGL_ERROR, "attempting to reset unknown counter %s\n", |
| 366 | get_value_string(tbf_counters_names, n)); |
| 367 | return; |
| 368 | } |
| 369 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 370 | Narr[n] = 0; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 371 | } |
| 372 | |
| 373 | /* Increment counter and check for MAX value (return true if we hit it) */ |
| 374 | bool gprs_rlcmac_tbf::n_inc(enum tbf_counters n) |
| 375 | { |
| 376 | uint8_t chk; |
| 377 | |
| 378 | if (n >= N_MAX) { |
| 379 | LOGPTBF(this, LOGL_ERROR, "attempting to increment unknown counter %s\n", |
| 380 | get_value_string(tbf_counters_names, n)); |
| 381 | return true; |
| 382 | } |
| 383 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 384 | Narr[n]++; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 385 | |
| 386 | switch(n) { |
| 387 | case N3101: |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 388 | chk = bts->n3101; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 389 | break; |
| 390 | case N3103: |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 391 | chk = bts->n3103; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 392 | break; |
| 393 | case N3105: |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 394 | chk = bts->n3105; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 395 | break; |
| 396 | default: |
| 397 | LOGPTBF(this, LOGL_ERROR, "unhandled counter %s\n", |
| 398 | get_value_string(tbf_counters_names, n)); |
| 399 | return true; |
| 400 | } |
| 401 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 402 | if (Narr[n] == chk) { |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 403 | LOGPTBF(this, LOGL_NOTICE, "%s exceeded MAX (%u)\n", |
| 404 | get_value_string(tbf_counters_names, n), chk); |
| 405 | return true; |
Pau Espin Pedrol | 58fdc54 | 2021-03-04 14:10:52 +0100 | [diff] [blame] | 406 | } else { |
| 407 | LOGPTBF(this, LOGL_DEBUG, "%s %" PRIu8 " => %" PRIu8 " (< MAX %" PRIu8 ")\n", |
| 408 | get_value_string(tbf_counters_names, n), Narr[n] - 1, Narr[n], chk); |
| 409 | return false; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 410 | } |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 411 | } |
| 412 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 413 | 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] | 414 | { |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 415 | if (t >= T_MAX) { |
| 416 | LOGPTBF(this, LOGL_ERROR, "attempting to stop unknown timer %s [%s]\n", |
| 417 | get_value_string(tbf_timers_names, t), reason); |
Max | 0bc982e | 2017-12-21 18:58:50 +0100 | [diff] [blame] | 418 | return; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 419 | } |
| 420 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 421 | if (osmo_timer_pending(&Tarr[t])) { |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 422 | LOGPTBF(this, LOGL_DEBUG, "stopping timer %s [%s]\n", |
| 423 | get_value_string(tbf_timers_names, t), reason); |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 424 | osmo_timer_del(&Tarr[t]); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 425 | } |
| 426 | } |
| 427 | |
| 428 | /* check if any of T31xx timer(s) are pending */ |
| 429 | bool gprs_rlcmac_tbf::timers_pending(enum tbf_timers t) |
| 430 | { |
| 431 | uint8_t i; |
| 432 | |
| 433 | if (t != T_MAX) |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 434 | return osmo_timer_pending(&Tarr[t]); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 435 | |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 436 | /* 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] | 437 | for (i = T3141; i < T_MAX; i++) |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 438 | if (osmo_timer_pending(&Tarr[i])) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 439 | return true; |
| 440 | |
| 441 | return false; |
| 442 | } |
| 443 | |
| 444 | void gprs_rlcmac_tbf::stop_timers(const char *reason) |
| 445 | { |
| 446 | uint8_t i; |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 447 | /* we start with T0 because timer reset does not require any special handling */ |
| 448 | for (i = T0; i < T_MAX; i++) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 449 | t_stop((enum tbf_timers)i, reason); |
Holger Hans Peter Freyther | 86300bb | 2013-10-26 18:01:35 +0200 | [diff] [blame] | 450 | } |
| 451 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 452 | static inline void tbf_timeout_free(struct gprs_rlcmac_tbf *tbf, enum tbf_timers t, bool run_diag) |
| 453 | { |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 454 | if (run_diag) { |
| 455 | LOGPTBF(tbf, LOGL_NOTICE, "%s timeout expired, freeing TBF: %s\n", |
| 456 | get_value_string(tbf_timers_names, t), tbf->rlcmac_diag().c_str()); |
| 457 | } else { |
| 458 | LOGPTBF(tbf, LOGL_NOTICE, "%s timeout expired, freeing TBF\n", |
| 459 | get_value_string(tbf_timers_names, t)); |
| 460 | } |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 461 | |
| 462 | tbf_free(tbf); |
| 463 | } |
| 464 | |
| 465 | #define T_CBACK(t, diag) static void cb_##t(void *_tbf) { tbf_timeout_free((struct gprs_rlcmac_tbf *)_tbf, t, diag); } |
| 466 | |
Pau Espin Pedrol | 4b6f0bf | 2021-05-10 18:54:52 +0200 | [diff] [blame] | 467 | /* 3GPP TS 44.018 sec 3.5.2.1.5: On the network side, if timer T3141 elapses |
| 468 | * before a successful contention resolution procedure is completed, the newly |
| 469 | * allocated temporary block flow is released as specified in 3GPP TS 44.060 and |
| 470 | * the packet access is forgotten.*/ |
| 471 | T_CBACK(T3141, true) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 472 | T_CBACK(T3191, true) |
| 473 | T_CBACK(T3193, false) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 474 | |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 475 | 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] | 476 | const char *file, unsigned line) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 477 | { |
Pau Espin Pedrol | 4a5209d | 2021-01-18 14:05:40 +0100 | [diff] [blame] | 478 | int current_fn = bts_current_frame_number(bts); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 479 | int sec; |
| 480 | int microsec; |
| 481 | struct osmo_tdef *tdef; |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 482 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 483 | if (!(tdef = osmo_tdef_get_entry(bts->T_defs_bts, T))) |
Pau Espin Pedrol | 924aaad | 2021-01-14 12:01:42 +0100 | [diff] [blame] | 484 | tdef = osmo_tdef_get_entry(bts->pcu->T_defs, T); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 485 | |
| 486 | if (t >= T_MAX || !tdef) { |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 487 | LOGPSRC(DTBF, LOGL_ERROR, file, line, "%s attempting to start unknown timer %s [%s], cur_fn=%d\n", |
| 488 | tbf_name(this), get_value_string(tbf_timers_names, t), reason, current_fn); |
Max | 0bc982e | 2017-12-21 18:58:50 +0100 | [diff] [blame] | 489 | return; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 490 | } |
| 491 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 492 | if (!force && osmo_timer_pending(&Tarr[t])) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 493 | return; |
| 494 | |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 495 | switch (tdef->unit) { |
| 496 | case OSMO_TDEF_MS: |
| 497 | sec = 0; |
| 498 | microsec = tdef->val * 1000; |
| 499 | break; |
| 500 | case OSMO_TDEF_S: |
| 501 | sec = tdef->val; |
| 502 | microsec = 0; |
| 503 | break; |
| 504 | default: |
| 505 | /* so far only timers using MS and S */ |
| 506 | OSMO_ASSERT(false); |
| 507 | } |
| 508 | |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 509 | 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] | 510 | tbf_name(this), osmo_timer_pending(&Tarr[t]) ? "re" : "", |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 511 | get_value_string(tbf_timers_names, t), reason, sec, microsec, current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 512 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 513 | Tarr[t].data = this; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 514 | |
| 515 | switch(t) { |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 516 | case T0: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 517 | Tarr[t].cb = tbf_timer_cb; |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 518 | break; |
Pau Espin Pedrol | 4b6f0bf | 2021-05-10 18:54:52 +0200 | [diff] [blame] | 519 | case T3141: |
| 520 | Tarr[t].cb = cb_T3141; |
| 521 | break; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 522 | case T3191: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 523 | Tarr[t].cb = cb_T3191; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 524 | break; |
| 525 | case T3193: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 526 | Tarr[t].cb = cb_T3193; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 527 | break; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 528 | default: |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 529 | LOGPSRC(DTBF, LOGL_ERROR, file, line, "%s attempting to set callback for unknown timer %s [%s], cur_fn=%d\n", |
| 530 | tbf_name(this), get_value_string(tbf_timers_names, t), reason, current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 531 | } |
| 532 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 533 | osmo_timer_schedule(&Tarr[t], sec, microsec); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 534 | } |
| 535 | |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 536 | 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] | 537 | uint32_t *poll_fn_, unsigned int *rrbp_) const |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 538 | { |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 539 | int rc; |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 540 | if (!is_control_ts(ts)) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 541 | LOGPTBF(this, LOGL_DEBUG, "Polling cannot be " |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 542 | "scheduled in this TS %d (first control TS %d)\n", |
| 543 | ts, control_ts); |
| 544 | return -EINVAL; |
| 545 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 546 | |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 547 | if ((rc = pdch_ulc_get_next_free_rrbp_fn(trx->pdch[ts].ulc, fn, poll_fn_, rrbp_)) < 0) { |
| 548 | LOGPTBF(this, LOGL_DEBUG, |
| 549 | "(bts=%u,trx=%u,ts=%u) FN=%u No suitable free RRBP offset found!\n", |
| 550 | trx->bts->nr, trx->trx_no, ts, fn); |
| 551 | return rc; |
| 552 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 553 | |
| 554 | return 0; |
| 555 | } |
| 556 | |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 557 | 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] | 558 | { |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 559 | const char *chan = "UNKNOWN"; |
| 560 | |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 561 | if (state_fsm.state_flags & (1 << (GPRS_RLCMAC_FLAG_CCCH))) |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 562 | chan = "CCCH"; |
| 563 | |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 564 | if (state_fsm.state_flags & (1 << (GPRS_RLCMAC_FLAG_PACCH))) |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 565 | chan = "PACCH"; |
| 566 | |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 567 | if ((state_fsm.state_flags & (1 << (GPRS_RLCMAC_FLAG_PACCH))) && |
| 568 | (state_fsm.state_flags & (1 << (GPRS_RLCMAC_FLAG_CCCH)))) |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 569 | LOGPTBFDL(this, LOGL_ERROR, |
| 570 | "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] | 571 | chan, new_poll_fn, ts); |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 572 | |
| 573 | /* schedule polling */ |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 574 | 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] | 575 | 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] | 576 | chan, new_poll_fn, ts); |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 577 | return; |
| 578 | } |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 579 | |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 580 | switch (reason) { |
| 581 | case PDCH_ULC_POLL_UL_ASS: |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 582 | ul_ass_state = GPRS_RLCMAC_UL_ASS_WAIT_ACK; |
| 583 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 584 | 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] | 585 | chan, new_poll_fn, ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 586 | break; |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 587 | case PDCH_ULC_POLL_DL_ASS: |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 588 | dl_ass_state = GPRS_RLCMAC_DL_ASS_WAIT_ACK; |
| 589 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 590 | 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] | 591 | chan, new_poll_fn, ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 592 | break; |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 593 | case PDCH_ULC_POLL_UL_ACK: |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 594 | ul_ack_state = GPRS_RLCMAC_UL_ACK_WAIT_ACK; |
| 595 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 596 | 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] | 597 | chan, new_poll_fn, ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 598 | break; |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 599 | case PDCH_ULC_POLL_DL_ACK: |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 600 | 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] | 601 | chan, new_poll_fn, ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 602 | break; |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 603 | case PDCH_ULC_POLL_CELL_CHG_CONTINUE: |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 604 | 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] | 605 | chan, new_poll_fn, ts); |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 606 | break; |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 607 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 608 | } |
| 609 | |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 610 | 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] | 611 | { |
Pau Espin Pedrol | d7c3265 | 2019-12-23 12:41:34 +0100 | [diff] [blame] | 612 | uint16_t pgroup; |
Max | fd13f6c | 2017-07-07 14:29:36 +0200 | [diff] [blame] | 613 | gprs_rlcmac_ul_tbf *ul_tbf = as_ul_tbf(this); |
| 614 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 615 | 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] | 616 | poll_fn, pdch->ts_no, bts_current_frame_number(bts)); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 617 | |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 618 | if (ul_tbf && ul_tbf->handle_ctrl_ack(reason)) { |
Max | fd13f6c | 2017-07-07 14:29:36 +0200 | [diff] [blame] | 619 | if (!ul_tbf->ctrl_ack_to_toggle()) { |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 620 | LOGPTBF(this, LOGL_NOTICE, |
| 621 | "Timeout for polling PACKET CONTROL ACK for PACKET UPLINK ACK: %s\n", |
| 622 | rlcmac_diag().c_str()); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 623 | } |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 624 | bts_do_rate_ctr_inc(bts, CTR_RLC_ACK_TIMEDOUT); |
| 625 | bts_do_rate_ctr_inc(bts, CTR_PUAN_POLL_TIMEDOUT); |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 626 | if (state_is(TBF_ST_FINISHED)) { |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 627 | if (ul_tbf->n_inc(N3103)) { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 628 | bts_do_rate_ctr_inc(bts, CTR_PUAN_POLL_FAILED); |
Pau Espin Pedrol | 55f600b | 2021-07-26 15:54:39 +0200 | [diff] [blame] | 629 | 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] | 630 | return; |
| 631 | } |
| 632 | /* reschedule UL ack */ |
Daniel Willmann | 6a16e0c | 2014-08-07 13:03:35 +0200 | [diff] [blame] | 633 | 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] | 634 | } |
Jacob Erlbeck | c91c18e | 2015-07-07 09:33:29 +0200 | [diff] [blame] | 635 | |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 636 | } else if (ul_ass_state == GPRS_RLCMAC_UL_ASS_WAIT_ACK) { |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 637 | if (!(state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_TO_UL_ASS))) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 638 | LOGPTBF(this, LOGL_NOTICE, |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 639 | "Timeout for polling PACKET CONTROL ACK for PACKET UPLINK ASSIGNMENT: %s\n", |
| 640 | rlcmac_diag().c_str()); |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 641 | state_fsm.state_flags |= (1 << GPRS_RLCMAC_FLAG_TO_UL_ASS); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 642 | } |
| 643 | ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 644 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_TIMEDOUT); |
| 645 | bts_do_rate_ctr_inc(bts, CTR_PUA_POLL_TIMEDOUT); |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 646 | if (n_inc(N3105)) { |
Pau Espin Pedrol | 55f600b | 2021-07-26 15:54:39 +0200 | [diff] [blame] | 647 | 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] | 648 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_FAILED); |
| 649 | bts_do_rate_ctr_inc(bts, CTR_PUA_POLL_FAILED); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 650 | return; |
| 651 | } |
| 652 | /* reschedule UL assignment */ |
| 653 | ul_ass_state = GPRS_RLCMAC_UL_ASS_SEND_ASS; |
| 654 | } else if (dl_ass_state == GPRS_RLCMAC_DL_ASS_WAIT_ACK) { |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 655 | if (!(state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_TO_DL_ASS))) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 656 | LOGPTBF(this, LOGL_NOTICE, |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 657 | "Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: %s\n", |
| 658 | rlcmac_diag().c_str()); |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 659 | state_fsm.state_flags |= (1 << GPRS_RLCMAC_FLAG_TO_DL_ASS); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 660 | } |
| 661 | dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 662 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_TIMEDOUT); |
| 663 | bts_do_rate_ctr_inc(bts, CTR_PDA_POLL_TIMEDOUT); |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 664 | if (n_inc(N3105)) { |
Pau Espin Pedrol | 55f600b | 2021-07-26 15:54:39 +0200 | [diff] [blame] | 665 | 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] | 666 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_FAILED); |
| 667 | bts_do_rate_ctr_inc(bts, CTR_PDA_POLL_FAILED); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 668 | return; |
| 669 | } |
| 670 | /* reschedule DL assignment */ |
| 671 | dl_ass_state = GPRS_RLCMAC_DL_ASS_SEND_ASS; |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 672 | } 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] | 673 | 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] | 674 | /* Timeout waiting for CTRL ACK acking Pkt Cell Change Continue */ |
| 675 | osmo_fsm_inst_dispatch(m_ms->nacc->fi, NACC_EV_TIMEOUT_CELL_CHG_CONTINUE, NULL); |
| 676 | return; |
Pau Espin Pedrol | b5fece9 | 2021-08-23 16:58:04 +0200 | [diff] [blame] | 677 | } else if (direction == GPRS_RLCMAC_DL_TBF) { |
| 678 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
| 679 | |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 680 | 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] | 681 | LOGPTBF(this, LOGL_NOTICE, |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 682 | "Timeout for polling PACKET DOWNLINK ACK: %s\n", |
| 683 | dl_tbf->rlcmac_diag().c_str()); |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 684 | 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] | 685 | } |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 686 | |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 687 | if (dl_tbf->state_is(TBF_ST_RELEASING)) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 688 | bts_do_rate_ctr_inc(bts, CTR_RLC_REL_TIMEDOUT); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 689 | else { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 690 | bts_do_rate_ctr_inc(bts, CTR_RLC_ACK_TIMEDOUT); |
| 691 | bts_do_rate_ctr_inc(bts, CTR_PDAN_POLL_TIMEDOUT); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 692 | } |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 693 | |
| 694 | if (dl_tbf->n_inc(N3105)) { |
Pau Espin Pedrol | 55f600b | 2021-07-26 15:54:39 +0200 | [diff] [blame] | 695 | 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] | 696 | bts_do_rate_ctr_inc(bts, CTR_PDAN_POLL_FAILED); |
| 697 | bts_do_rate_ctr_inc(bts, CTR_RLC_ACK_FAILED); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 698 | return; |
| 699 | } |
| 700 | /* resend IMM.ASS on CCCH on timeout */ |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 701 | if ((dl_tbf->state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH)) |
| 702 | && !(dl_tbf->state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_DL_ACK))) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 703 | 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] | 704 | imsi()); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 705 | /* send immediate assignment */ |
Pau Espin Pedrol | d7c3265 | 2019-12-23 12:41:34 +0100 | [diff] [blame] | 706 | if ((pgroup = imsi2paging_group(imsi())) > 999) |
| 707 | 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] | 708 | bts_snd_dl_ass(dl_tbf->bts, dl_tbf, pgroup); |
Daniel Willmann | 7e994e3 | 2014-08-07 15:49:21 +0200 | [diff] [blame] | 709 | dl_tbf->m_wait_confirm = 1; |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 710 | } |
| 711 | } else |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 712 | LOGPTBF(this, LOGL_ERROR, "Poll Timeout, but no event!\n"); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 713 | } |
| 714 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 715 | 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] | 716 | { |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 717 | int rc; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 718 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 719 | if (ms_mode(m_ms) != GPRS) |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 720 | enable_egprs(); |
Daniel Willmann | 1b3864f | 2014-07-30 13:25:19 +0200 | [diff] [blame] | 721 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 722 | m_created_ts = time(NULL); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 723 | /* select algorithm */ |
Pau Espin Pedrol | c85e093 | 2021-02-25 18:08:10 +0100 | [diff] [blame] | 724 | 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] | 725 | /* if no resource */ |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 726 | if (rc < 0) { |
Pau Espin Pedrol | 7c9a4a4 | 2021-02-25 17:21:10 +0100 | [diff] [blame] | 727 | LOGPTBF(this, LOGL_NOTICE, |
| 728 | "Timeslot Allocation failed: trx = %d, single_slot = %d\n", |
| 729 | use_trx, single_slot); |
Pau Espin Pedrol | 4e1c9ad | 2021-02-25 17:21:32 +0100 | [diff] [blame] | 730 | bts_do_rate_ctr_inc(bts, CTR_TBF_ALLOC_FAIL); |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 731 | return -1; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 732 | } |
| 733 | /* assign control ts */ |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 734 | rc = tbf_assign_control_ts(this); |
Holger Hans Peter Freyther | 90b87ea | 2013-10-27 10:38:31 +0100 | [diff] [blame] | 735 | /* if no resource */ |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 736 | if (rc < 0) { |
Pau Espin Pedrol | f62b0ec | 2021-05-13 18:50:10 +0200 | [diff] [blame] | 737 | LOGPTBF(this, LOGL_ERROR, "Failed to assign control TS\n"); |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 738 | return -1; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 739 | } |
| 740 | |
| 741 | /* set timestamp */ |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 742 | osmo_clock_gettime(CLOCK_MONOTONIC, &meas.rssi_tv); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 743 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 744 | LOGPTBF(this, LOGL_INFO, |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 745 | "Allocated: trx = %d, ul_slots = %02x, dl_slots = %02x\n", |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 746 | this->trx->trx_no, ul_slots(), dl_slots()); |
Jacob Erlbeck | 5879c64 | 2015-07-10 10:41:36 +0200 | [diff] [blame] | 747 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 748 | m_ctrs = rate_ctr_group_alloc(this, &tbf_ctrg_desc, next_tbf_ctr_group_id++); |
| 749 | if (!m_ctrs) { |
| 750 | LOGPTBF(this, LOGL_ERROR, "Couldn't allocate TBF counters\n"); |
Harald Welte | 9530a40 | 2017-07-12 00:46:36 +0200 | [diff] [blame] | 751 | return -1; |
| 752 | } |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 753 | |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 754 | tbf_update_state_fsm_name(this); |
| 755 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 756 | ms_attach_tbf(m_ms, this); |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 757 | |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 758 | return 0; |
| 759 | } |
| 760 | |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 761 | static void tbf_timer_cb(void *_tbf) |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 762 | { |
| 763 | struct gprs_rlcmac_tbf *tbf = (struct gprs_rlcmac_tbf *)_tbf; |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 764 | tbf->handle_timeout(); |
| 765 | } |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 766 | |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 767 | void gprs_rlcmac_tbf::handle_timeout() |
| 768 | { |
Pau Espin Pedrol | 4a5209d | 2021-01-18 14:05:40 +0100 | [diff] [blame] | 769 | int current_fn = bts_current_frame_number(bts); |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 770 | |
| 771 | LOGPTBF(this, LOGL_DEBUG, "timer 0 expired. cur_fn=%d\n", current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 772 | |
Pau Espin Pedrol | 039ee82 | 2021-04-26 18:49:33 +0200 | [diff] [blame] | 773 | /* PACCH assignment timeout (see timers X2000, X2001) */ |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 774 | if ((state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_PACCH))) { |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 775 | if (state_is(TBF_ST_ASSIGN)) { |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 776 | LOGPTBF(this, LOGL_NOTICE, "releasing due to PACCH assignment timeout.\n"); |
| 777 | tbf_free(this); |
| 778 | return; |
| 779 | } else |
| 780 | LOGPTBF(this, LOGL_ERROR, "Error: TBF is not in assign state\n"); |
| 781 | } |
| 782 | |
Pau Espin Pedrol | 039ee82 | 2021-04-26 18:49:33 +0200 | [diff] [blame] | 783 | /* 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] | 784 | if ((state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH))) { |
Pau Espin Pedrol | b5fece9 | 2021-08-23 16:58:04 +0200 | [diff] [blame] | 785 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 786 | dl_tbf->m_wait_confirm = 0; |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 787 | if (dl_tbf->state_is(TBF_ST_ASSIGN)) { |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 788 | tbf_assign_control_ts(dl_tbf); |
| 789 | |
| 790 | if (!dl_tbf->upgrade_to_multislot) { |
| 791 | /* change state to FLOW, so scheduler |
| 792 | * will start transmission */ |
Pau Espin Pedrol | 720e19e | 2021-07-22 19:56:37 +0200 | [diff] [blame] | 793 | 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] | 794 | return; |
| 795 | } |
| 796 | |
| 797 | /* This tbf can be upgraded to use multiple DL |
| 798 | * timeslots and now that there is already one |
| 799 | * slot assigned send another DL assignment via |
| 800 | * PDCH. */ |
| 801 | |
| 802 | /* keep to flags */ |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 803 | dl_tbf->state_fsm.state_flags &= GPRS_RLCMAC_FLAG_TO_MASK; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 804 | |
| 805 | dl_tbf->update(); |
| 806 | |
| 807 | dl_tbf->trigger_ass(dl_tbf); |
| 808 | } else |
| 809 | 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] | 810 | } |
| 811 | } |
| 812 | |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 813 | std::string gprs_rlcmac_tbf::rlcmac_diag() |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 814 | { |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 815 | std::ostringstream os; |
| 816 | os << "|"; |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 817 | if ((state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH))) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 818 | os << "Assignment was on CCCH|"; |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 819 | if ((state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_PACCH))) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 820 | os << "Assignment was on PACCH|"; |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 821 | if ((state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_UL_DATA))) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 822 | os << "Uplink data was received|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 823 | else if (direction == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 824 | os << "No uplink data received yet|"; |
Pau Espin Pedrol | 33e8007 | 2021-07-22 19:20:50 +0200 | [diff] [blame] | 825 | if ((state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_DL_ACK))) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 826 | os << "Downlink ACK was received|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 827 | else if (direction == GPRS_RLCMAC_DL_TBF) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 828 | os << "No downlink ACK received yet|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 829 | |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 830 | return os.str(); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 831 | } |
| 832 | |
Jacob Erlbeck | 5a3c84d | 2016-01-22 17:25:38 +0100 | [diff] [blame] | 833 | struct msgb *gprs_rlcmac_tbf::create_dl_ass(uint32_t fn, uint8_t ts) |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 834 | { |
| 835 | struct msgb *msg; |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 836 | struct gprs_rlcmac_dl_tbf *new_dl_tbf = NULL; |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 837 | RlcMacDownlink_t *mac_control_block = NULL; |
Pau Espin Pedrol | 81db733 | 2021-07-22 20:03:10 +0200 | [diff] [blame] | 838 | const int poll_ass_dl = 1; |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 839 | unsigned int rrbp = 0; |
| 840 | uint32_t new_poll_fn = 0; |
| 841 | int rc; |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 842 | bool old_tfi_is_valid = is_tfi_assigned(); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 843 | |
Pau Espin Pedrol | 81db733 | 2021-07-22 20:03:10 +0200 | [diff] [blame] | 844 | /* We only use this function in control TS (PACCH) so that MS can always answer the poll */ |
| 845 | OSMO_ASSERT(is_control_ts(ts)); |
| 846 | |
| 847 | if (ul_ass_state == GPRS_RLCMAC_UL_ASS_WAIT_ACK) |
| 848 | { |
| 849 | LOGPTBF(this, LOGL_DEBUG, |
| 850 | "Polling is already scheduled, so we must wait for the uplink assignment...\n"); |
| 851 | return NULL; |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 852 | } |
Pau Espin Pedrol | 81db733 | 2021-07-22 20:03:10 +0200 | [diff] [blame] | 853 | rc = check_polling(fn, ts, &new_poll_fn, &rrbp); |
| 854 | if (rc < 0) |
| 855 | return NULL; |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 856 | |
| 857 | /* on uplink TBF we get the downlink TBF to be assigned. */ |
| 858 | if (direction == GPRS_RLCMAC_UL_TBF) { |
Jacob Erlbeck | aa9daa1 | 2015-12-28 18:49:12 +0100 | [diff] [blame] | 859 | gprs_rlcmac_ul_tbf *ul_tbf = as_ul_tbf(this); |
Daniel Willmann | b2886f1 | 2014-08-07 14:48:20 +0200 | [diff] [blame] | 860 | |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 861 | /* be sure to check first, if contention resolution is done, |
Pau Espin Pedrol | 4b6f0bf | 2021-05-10 18:54:52 +0200 | [diff] [blame] | 862 | * otherwise we cannot send the assignment yet (3GPP TS 44.060 sec 7.1.3.1) */ |
Daniel Willmann | 7e994e3 | 2014-08-07 15:49:21 +0200 | [diff] [blame] | 863 | if (!ul_tbf->m_contention_resolution_done) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 864 | LOGPTBF(this, LOGL_DEBUG, |
| 865 | "Cannot assign DL TBF now, because contention resolution is not finished.\n"); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 866 | return NULL; |
| 867 | } |
Daniel Willmann | e481815 | 2014-08-15 16:52:09 +0200 | [diff] [blame] | 868 | } |
| 869 | |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 870 | if (ms()) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 871 | new_dl_tbf = ms_dl_tbf(ms()); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 872 | |
Daniel Willmann | b2886f1 | 2014-08-07 14:48:20 +0200 | [diff] [blame] | 873 | if (!new_dl_tbf) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 874 | LOGPTBFDL(this, LOGL_ERROR, |
| 875 | "We have a schedule for downlink assignment, but there is no downlink TBF\n"); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 876 | dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 877 | return NULL; |
| 878 | } |
| 879 | |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 880 | if (new_dl_tbf == as_dl_tbf(this)) |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 881 | LOGPTBF(this, LOGL_DEBUG, "New and old TBF are the same.\n"); |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 882 | |
| 883 | if (old_tfi_is_valid && !new_dl_tbf->is_tlli_valid()) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 884 | LOGPTBF(this, LOGL_ERROR, |
| 885 | "The old TFI is not assigned and there is no TLLI. New TBF %s\n", |
| 886 | new_dl_tbf->name()); |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 887 | dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 888 | return NULL; |
| 889 | } |
| 890 | |
Holger Hans Peter Freyther | f5c9747 | 2014-12-26 18:32:00 +0100 | [diff] [blame] | 891 | new_dl_tbf->was_releasing = was_releasing; |
Vadim Yanitskiy | c82c1f5 | 2020-08-21 19:53:32 +0700 | [diff] [blame] | 892 | msg = msgb_alloc(GSM_MACBLOCK_LEN, "rlcmac_dl_ass"); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 893 | if (!msg) |
| 894 | return NULL; |
Vadim Yanitskiy | e4bcd21 | 2020-08-21 19:45:09 +0700 | [diff] [blame] | 895 | |
| 896 | /* Initialize a bit vector that uses allocated msgb as the data buffer. |
| 897 | * Old G++ does not support non-trivial designated initializers. Sigh. */ |
| 898 | struct bitvec bv = { }; |
| 899 | bv.data = msgb_put(msg, GSM_MACBLOCK_LEN); |
| 900 | bv.data_len = GSM_MACBLOCK_LEN; |
| 901 | bitvec_unhex(&bv, DUMMY_VEC); |
| 902 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 903 | LOGPTBF(new_dl_tbf, LOGL_INFO, "start Packet Downlink Assignment (PACCH)\n"); |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 904 | mac_control_block = (RlcMacDownlink_t *)talloc_zero(tall_pcu_ctx, RlcMacDownlink_t); |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 905 | Encoding::write_packet_downlink_assignment(mac_control_block, |
| 906 | old_tfi_is_valid, m_tfi, (direction == GPRS_RLCMAC_DL_TBF), |
| 907 | new_dl_tbf, poll_ass_dl, rrbp, |
Pau Espin Pedrol | fe8de45 | 2021-02-09 18:47:34 +0100 | [diff] [blame] | 908 | bts_get_ms_pwr_alpha(new_dl_tbf->bts), the_pcu->vty.gamma, -1, 0, |
Jacob Erlbeck | 166c9fc | 2016-01-07 16:04:29 +0100 | [diff] [blame] | 909 | is_egprs_enabled()); |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 910 | LOGP(DTBF, LOGL_DEBUG, "+++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++\n"); |
Vadim Yanitskiy | e4bcd21 | 2020-08-21 19:45:09 +0700 | [diff] [blame] | 911 | rc = encode_gsm_rlcmac_downlink(&bv, mac_control_block); |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 912 | if (rc < 0) { |
Pau Espin Pedrol | 8b4b19a | 2020-12-18 19:03:42 +0100 | [diff] [blame] | 913 | LOGP(DTBF, LOGL_ERROR, "Encoding of Packet Downlink Ass failed (%d)\n", rc); |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 914 | goto free_ret; |
| 915 | } |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 916 | LOGP(DTBF, LOGL_DEBUG, "------------------------- TX : Packet Downlink Assignment -------------------------\n"); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 917 | bts_do_rate_ctr_inc(bts, CTR_PKT_DL_ASSIGNMENT); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 918 | |
Pau Espin Pedrol | 81db733 | 2021-07-22 20:03:10 +0200 | [diff] [blame] | 919 | set_polling(new_poll_fn, ts, PDCH_ULC_POLL_DL_ASS); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 920 | |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 921 | talloc_free(mac_control_block); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 922 | return msg; |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 923 | |
| 924 | free_ret: |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 925 | talloc_free(mac_control_block); |
| 926 | msgb_free(msg); |
| 927 | return NULL; |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 928 | } |
| 929 | |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 930 | struct msgb *gprs_rlcmac_tbf::create_packet_access_reject() |
| 931 | { |
| 932 | struct msgb *msg; |
| 933 | |
Vadim Yanitskiy | c82c1f5 | 2020-08-21 19:53:32 +0700 | [diff] [blame] | 934 | msg = msgb_alloc(GSM_MACBLOCK_LEN, "rlcmac_ul_ass_rej"); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 935 | |
Vadim Yanitskiy | c82c1f5 | 2020-08-21 19:53:32 +0700 | [diff] [blame] | 936 | bitvec *packet_access_rej = bitvec_alloc(GSM_MACBLOCK_LEN, tall_pcu_ctx); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 937 | |
Max | 7426c5f | 2019-02-18 20:42:42 +0100 | [diff] [blame] | 938 | bitvec_unhex(packet_access_rej, DUMMY_VEC); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 939 | |
Pau Espin Pedrol | 2ab840a | 2021-04-26 17:49:05 +0200 | [diff] [blame] | 940 | Encoding::write_packet_access_reject(packet_access_rej, tlli(), |
| 941 | osmo_tdef_get(bts->T_defs_bts, 3172, OSMO_TDEF_MS, -1)); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 942 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 943 | bts_do_rate_ctr_inc(bts, CTR_PKT_ACCESS_REJ); |
sivasankari | 168911b | 2016-11-25 19:53:36 +0530 | [diff] [blame] | 944 | |
Vadim Yanitskiy | c82c1f5 | 2020-08-21 19:53:32 +0700 | [diff] [blame] | 945 | bitvec_pack(packet_access_rej, msgb_put(msg, GSM_MACBLOCK_LEN)); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 946 | |
| 947 | bitvec_free(packet_access_rej); |
| 948 | ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; |
| 949 | |
Pau Espin Pedrol | 039ee82 | 2021-04-26 18:49:33 +0200 | [diff] [blame] | 950 | /* Start release only if it is UL TBF */ |
| 951 | if (direction == GPRS_RLCMAC_UL_TBF) { |
| 952 | /* tbf_free() called in gprs_rlcmac_tbf::handle_timeout */ |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 953 | T_START(this, T0, -2000, "reject (PACCH)", true); |
Pau Espin Pedrol | 039ee82 | 2021-04-26 18:49:33 +0200 | [diff] [blame] | 954 | } |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 955 | |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 956 | return msg; |
| 957 | |
| 958 | } |
| 959 | |
Jacob Erlbeck | 5a3c84d | 2016-01-22 17:25:38 +0100 | [diff] [blame] | 960 | struct msgb *gprs_rlcmac_tbf::create_ul_ass(uint32_t fn, uint8_t ts) |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 961 | { |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 962 | struct msgb *msg = NULL; |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 963 | struct gprs_rlcmac_ul_tbf *new_tbf = NULL; |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 964 | RlcMacDownlink_t *mac_control_block = NULL; |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 965 | int rc; |
| 966 | unsigned int rrbp; |
| 967 | uint32_t new_poll_fn; |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 968 | |
Pau Espin Pedrol | feee2b9 | 2021-03-29 17:08:16 +0200 | [diff] [blame] | 969 | if (ul_ass_state == GPRS_RLCMAC_UL_ASS_WAIT_ACK) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 970 | LOGPTBFUL(this, LOGL_DEBUG, |
| 971 | "Polling is already scheduled, so we must wait for the uplink assignment...\n"); |
Vadim Yanitskiy | c74e217 | 2020-02-09 02:48:03 +0700 | [diff] [blame] | 972 | return NULL; |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 973 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 974 | |
| 975 | rc = check_polling(fn, ts, &new_poll_fn, &rrbp); |
| 976 | if (rc < 0) |
| 977 | return NULL; |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 978 | |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 979 | if (ms()) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 980 | new_tbf = ms_ul_tbf(ms()); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 981 | if (!new_tbf) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 982 | LOGPTBFUL(this, LOGL_ERROR, |
| 983 | "We have a schedule for uplink assignment, but there is no uplink TBF\n"); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 984 | ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; |
| 985 | return NULL; |
| 986 | } |
| 987 | |
Vadim Yanitskiy | c82c1f5 | 2020-08-21 19:53:32 +0700 | [diff] [blame] | 988 | msg = msgb_alloc(GSM_MACBLOCK_LEN, "rlcmac_ul_ass"); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 989 | if (!msg) |
| 990 | return NULL; |
Vadim Yanitskiy | e4bcd21 | 2020-08-21 19:45:09 +0700 | [diff] [blame] | 991 | |
| 992 | /* Initialize a bit vector that uses allocated msgb as the data buffer. |
| 993 | * Old G++ does not support non-trivial designated initializers. Sigh. */ |
| 994 | struct bitvec bv = { }; |
| 995 | bv.data = msgb_put(msg, GSM_MACBLOCK_LEN); |
| 996 | bv.data_len = GSM_MACBLOCK_LEN; |
| 997 | bitvec_unhex(&bv, DUMMY_VEC); |
| 998 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 999 | LOGPTBF(new_tbf, LOGL_INFO, "start Packet Uplink Assignment (PACCH)\n"); |
Vadim Yanitskiy | db56a35 | 2020-08-22 02:05:28 +0700 | [diff] [blame] | 1000 | mac_control_block = (RlcMacDownlink_t *)talloc_zero(tall_pcu_ctx, RlcMacDownlink_t); |
| 1001 | Encoding::write_packet_uplink_assignment(mac_control_block, m_tfi, |
Jacob Erlbeck | 767193e | 2015-05-20 12:06:46 +0200 | [diff] [blame] | 1002 | (direction == GPRS_RLCMAC_DL_TBF), tlli(), |
Pau Espin Pedrol | fe8de45 | 2021-02-09 18:47:34 +0100 | [diff] [blame] | 1003 | is_tlli_valid(), new_tbf, 1, rrbp, bts_get_ms_pwr_alpha(new_tbf->bts), |
Pau Espin Pedrol | a281495 | 2021-01-14 12:53:53 +0100 | [diff] [blame] | 1004 | the_pcu->vty.gamma, -1, is_egprs_enabled()); |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1005 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1006 | LOGP(DTBF, LOGL_DEBUG, "+++++++++++++++++++++++++ TX : Packet Uplink Assignment +++++++++++++++++++++++++\n"); |
Vadim Yanitskiy | db56a35 | 2020-08-22 02:05:28 +0700 | [diff] [blame] | 1007 | rc = encode_gsm_rlcmac_downlink(&bv, mac_control_block); |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1008 | if (rc < 0) { |
Vadim Yanitskiy | db56a35 | 2020-08-22 02:05:28 +0700 | [diff] [blame] | 1009 | LOGP(DTBF, LOGL_ERROR, "Encoding of Packet Uplink Ass failed (%d)\n", rc); |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1010 | goto free_ret; |
| 1011 | } |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1012 | LOGP(DTBF, LOGL_DEBUG, "------------------------- TX : Packet Uplink Assignment -------------------------\n"); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 1013 | bts_do_rate_ctr_inc(bts, CTR_PKT_UL_ASSIGNMENT); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1014 | |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 1015 | set_polling(new_poll_fn, ts, PDCH_ULC_POLL_UL_ASS); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1016 | |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1017 | talloc_free(mac_control_block); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1018 | return msg; |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1019 | |
| 1020 | free_ret: |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1021 | talloc_free(mac_control_block); |
| 1022 | msgb_free(msg); |
| 1023 | return NULL; |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1024 | } |
| 1025 | |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1026 | int gprs_rlcmac_tbf::establish_dl_tbf_on_pacch() |
| 1027 | { |
| 1028 | struct gprs_rlcmac_dl_tbf *new_tbf = NULL; |
| 1029 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 1030 | bts_do_rate_ctr_inc(bts, CTR_TBF_REUSED); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1031 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 1032 | new_tbf = tbf_alloc_dl_tbf(bts, ms(), |
Pau Espin Pedrol | 322456e | 2020-05-08 18:15:59 +0200 | [diff] [blame] | 1033 | this->trx->trx_no, false); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1034 | |
| 1035 | if (!new_tbf) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1036 | LOGP(DTBF, LOGL_NOTICE, "No PDCH resource\n"); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1037 | return -1; |
| 1038 | } |
| 1039 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1040 | LOGPTBF(this, LOGL_DEBUG, "Trigger downlink assignment on PACCH\n"); |
Max | a10c398 | 2017-07-07 18:25:41 +0200 | [diff] [blame] | 1041 | new_tbf->trigger_ass(this); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1042 | |
| 1043 | return 0; |
| 1044 | } |
| 1045 | |
Pau Espin Pedrol | 57dcde4 | 2021-02-01 18:14:23 +0100 | [diff] [blame] | 1046 | const char *tbf_name(const gprs_rlcmac_tbf *tbf) |
Holger Hans Peter Freyther | bd449f5 | 2013-10-27 16:39:36 +0100 | [diff] [blame] | 1047 | { |
Alexander Couzens | e04fd0c | 2016-05-31 13:18:01 +0200 | [diff] [blame] | 1048 | return tbf ? tbf->name() : "(no TBF)"; |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 1049 | } |
| 1050 | |
| 1051 | const char *gprs_rlcmac_tbf::name() const |
| 1052 | { |
| 1053 | snprintf(m_name_buf, sizeof(m_name_buf) - 1, |
Jacob Erlbeck | 5643f35 | 2015-11-27 16:17:40 +0100 | [diff] [blame] | 1054 | "TBF(TFI=%d TLLI=0x%08x DIR=%s STATE=%s%s)", |
Jacob Erlbeck | 767193e | 2015-05-20 12:06:46 +0200 | [diff] [blame] | 1055 | m_tfi, tlli(), |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 1056 | direction == GPRS_RLCMAC_UL_TBF ? "UL" : "DL", |
Jacob Erlbeck | 5643f35 | 2015-11-27 16:17:40 +0100 | [diff] [blame] | 1057 | state_name(), |
| 1058 | is_egprs_enabled() ? " EGPRS" : "" |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 1059 | ); |
| 1060 | m_name_buf[sizeof(m_name_buf) - 1] = '\0'; |
| 1061 | return m_name_buf; |
Holger Hans Peter Freyther | bd449f5 | 2013-10-27 16:39:36 +0100 | [diff] [blame] | 1062 | } |
Holger Hans Peter Freyther | 758dc12 | 2013-11-06 20:39:45 +0100 | [diff] [blame] | 1063 | |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 1064 | void tbf_update_state_fsm_name(struct gprs_rlcmac_tbf *tbf) |
| 1065 | { |
| 1066 | osmo_fsm_inst_update_id_f_sanitize(tbf->state_fsm.fi, '_', "%s-TFI_%d", |
| 1067 | tbf_direction(tbf) == GPRS_RLCMAC_UL_TBF ? "UL" : "DL", |
| 1068 | tbf_tfi(tbf)); |
| 1069 | } |
| 1070 | |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 1071 | void gprs_rlcmac_tbf::rotate_in_list() |
| 1072 | { |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 1073 | llist_del(tbf_trx_list((struct gprs_rlcmac_tbf *)this)); |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 1074 | if (direction == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 1075 | 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] | 1076 | else |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 1077 | 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] | 1078 | } |
Holger Hans Peter Freyther | 8f399de | 2013-12-25 20:22:35 +0100 | [diff] [blame] | 1079 | |
| 1080 | uint8_t gprs_rlcmac_tbf::tsc() const |
| 1081 | { |
| 1082 | return trx->pdch[first_ts].tsc; |
| 1083 | } |
Daniel Willmann | afa72f5 | 2014-01-15 17:06:19 +0100 | [diff] [blame] | 1084 | |
Jacob Erlbeck | 617c712 | 2015-06-30 09:18:30 +0200 | [diff] [blame] | 1085 | uint8_t gprs_rlcmac_tbf::dl_slots() const |
| 1086 | { |
| 1087 | uint8_t slots = 0; |
| 1088 | size_t i; |
| 1089 | |
| 1090 | if (direction == GPRS_RLCMAC_UL_TBF) |
| 1091 | return 0; |
| 1092 | |
| 1093 | for (i = 0; i < ARRAY_SIZE(pdch); i += 1) |
| 1094 | if (pdch[i]) |
| 1095 | slots |= 1 << i; |
| 1096 | |
| 1097 | return slots; |
| 1098 | } |
| 1099 | |
| 1100 | uint8_t gprs_rlcmac_tbf::ul_slots() const |
| 1101 | { |
| 1102 | uint8_t slots = 0; |
| 1103 | size_t i; |
| 1104 | |
| 1105 | if (direction == GPRS_RLCMAC_DL_TBF) { |
| 1106 | if (control_ts < 8) |
| 1107 | slots |= 1 << control_ts; |
| 1108 | if (first_common_ts < 8) |
| 1109 | slots |= 1 << first_common_ts; |
| 1110 | |
| 1111 | return slots; |
| 1112 | } |
| 1113 | |
| 1114 | for (i = 0; i < ARRAY_SIZE(pdch); i += 1) |
| 1115 | if (pdch[i]) |
| 1116 | slots |= 1 << i; |
| 1117 | |
| 1118 | return slots; |
| 1119 | } |
Jacob Erlbeck | 646da1b | 2016-01-22 17:41:33 +0100 | [diff] [blame] | 1120 | |
| 1121 | bool gprs_rlcmac_tbf::is_control_ts(uint8_t ts) const |
| 1122 | { |
| 1123 | return ts == control_ts; |
| 1124 | } |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 1125 | |
| 1126 | /* C API */ |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 1127 | 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] | 1128 | { |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 1129 | return (enum tbf_fsm_states)tbf->state_fsm.fi->state; |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 1130 | } |
| 1131 | |
| 1132 | enum gprs_rlcmac_tbf_direction tbf_direction(const struct gprs_rlcmac_tbf *tbf) |
| 1133 | { |
| 1134 | return tbf->direction; |
| 1135 | } |
| 1136 | |
| 1137 | void tbf_set_ms(struct gprs_rlcmac_tbf *tbf, GprsMs *ms) |
| 1138 | { |
| 1139 | tbf->set_ms(ms); |
| 1140 | } |
| 1141 | |
| 1142 | struct llist_head *tbf_ms_list(struct gprs_rlcmac_tbf *tbf) |
| 1143 | { |
| 1144 | return &tbf->m_ms_list.list; |
| 1145 | } |
| 1146 | |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 1147 | struct llist_head *tbf_trx_list(struct gprs_rlcmac_tbf *tbf) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 1148 | { |
Pau Espin Pedrol | 1a1557a | 2021-05-13 18:39:36 +0200 | [diff] [blame] | 1149 | return &tbf->m_trx_list.list; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 1150 | } |
| 1151 | |
Pau Espin Pedrol | 1e77ca8 | 2021-01-27 13:22:03 +0100 | [diff] [blame] | 1152 | struct GprsMs *tbf_ms(const struct gprs_rlcmac_tbf *tbf) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 1153 | { |
| 1154 | return tbf->ms(); |
| 1155 | } |
| 1156 | |
| 1157 | bool tbf_timers_pending(struct gprs_rlcmac_tbf *tbf, enum tbf_timers t) |
| 1158 | { |
| 1159 | return tbf->timers_pending(t); |
| 1160 | } |
| 1161 | |
| 1162 | struct gprs_llc *tbf_llc(struct gprs_rlcmac_tbf *tbf) |
| 1163 | { |
| 1164 | return &tbf->m_llc; |
| 1165 | } |
| 1166 | |
| 1167 | uint8_t tbf_first_common_ts(const struct gprs_rlcmac_tbf *tbf) |
| 1168 | { |
| 1169 | return tbf->first_common_ts; |
| 1170 | } |
| 1171 | |
| 1172 | uint8_t tbf_dl_slots(const struct gprs_rlcmac_tbf *tbf) |
| 1173 | { |
| 1174 | return tbf->dl_slots(); |
| 1175 | } |
| 1176 | uint8_t tbf_ul_slots(const struct gprs_rlcmac_tbf *tbf) |
| 1177 | { |
| 1178 | return tbf->ul_slots(); |
| 1179 | } |
| 1180 | |
| 1181 | bool tbf_is_tfi_assigned(const struct gprs_rlcmac_tbf *tbf) |
| 1182 | { |
| 1183 | return tbf->is_tfi_assigned(); |
| 1184 | } |
Pau Espin Pedrol | c0a250d | 2021-01-21 18:46:13 +0100 | [diff] [blame] | 1185 | |
| 1186 | uint8_t tbf_tfi(const struct gprs_rlcmac_tbf *tbf) |
| 1187 | { |
| 1188 | return tbf->tfi(); |
| 1189 | } |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 1190 | |
| 1191 | int tbf_check_polling(const struct gprs_rlcmac_tbf *tbf, uint32_t fn, uint8_t ts, uint32_t *poll_fn, unsigned int *rrbp) |
| 1192 | { |
| 1193 | return tbf->check_polling(fn, ts, poll_fn, rrbp); |
| 1194 | } |
| 1195 | |
Pau Espin Pedrol | 86580e1 | 2021-03-29 18:15:30 +0200 | [diff] [blame] | 1196 | 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] | 1197 | { |
| 1198 | return tbf->set_polling(new_poll_fn, ts, t); |
| 1199 | } |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 1200 | |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 1201 | 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] | 1202 | { |
Pau Espin Pedrol | 16e1678 | 2021-03-29 19:10:19 +0200 | [diff] [blame] | 1203 | tbf->poll_timeout(pdch, poll_fn, reason); |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 1204 | } |