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 | cac6b66 | 2018-01-24 11:00:17 +0100 | [diff] [blame] | 64 | const struct value_string gprs_rlcmac_tbf_poll_state_names[] = { |
| 65 | OSMO_VALUE_STRING(GPRS_RLCMAC_POLL_NONE), |
| 66 | OSMO_VALUE_STRING(GPRS_RLCMAC_POLL_SCHED), /* a polling was scheduled */ |
| 67 | { 0, NULL } |
| 68 | }; |
| 69 | |
Max | e66de5b | 2017-01-05 18:26:58 +0100 | [diff] [blame] | 70 | const struct value_string gprs_rlcmac_tbf_dl_ass_state_names[] = { |
| 71 | OSMO_VALUE_STRING(GPRS_RLCMAC_DL_ASS_NONE), |
| 72 | OSMO_VALUE_STRING(GPRS_RLCMAC_DL_ASS_SEND_ASS), |
| 73 | OSMO_VALUE_STRING(GPRS_RLCMAC_DL_ASS_WAIT_ACK), |
| 74 | { 0, NULL } |
| 75 | }; |
| 76 | |
| 77 | const struct value_string gprs_rlcmac_tbf_ul_ass_state_names[] = { |
| 78 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ASS_NONE), |
| 79 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ASS_SEND_ASS), |
| 80 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ASS_SEND_ASS_REJ), |
| 81 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ASS_WAIT_ACK), |
| 82 | { 0, NULL } |
| 83 | }; |
| 84 | |
Max | 088c7df | 2018-01-23 20:16:23 +0100 | [diff] [blame] | 85 | const struct value_string gprs_rlcmac_tbf_ul_ack_state_names[] = { |
| 86 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ACK_NONE), |
| 87 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ACK_SEND_ACK), /* send acknowledge on next RTS */ |
| 88 | OSMO_VALUE_STRING(GPRS_RLCMAC_UL_ACK_WAIT_ACK), /* wait for PACKET CONTROL ACK */ |
| 89 | { 0, NULL } |
| 90 | }; |
| 91 | |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 92 | static const struct value_string tbf_counters_names[] = { |
| 93 | OSMO_VALUE_STRING(N3101), |
| 94 | OSMO_VALUE_STRING(N3103), |
| 95 | OSMO_VALUE_STRING(N3105), |
| 96 | { 0, NULL } |
| 97 | }; |
| 98 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 99 | static const struct value_string tbf_timers_names[] = { |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 100 | OSMO_VALUE_STRING(T0), |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 101 | OSMO_VALUE_STRING(T3169), |
| 102 | OSMO_VALUE_STRING(T3191), |
| 103 | OSMO_VALUE_STRING(T3193), |
| 104 | OSMO_VALUE_STRING(T3195), |
| 105 | { 0, NULL } |
| 106 | }; |
| 107 | |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 108 | static const struct rate_ctr_desc tbf_ctr_description[] = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 109 | { "rlc:nacked", "RLC Nacked " }, |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 110 | }; |
| 111 | |
Pau Espin Pedrol | 442198c | 2020-10-23 22:30:04 +0200 | [diff] [blame] | 112 | const struct rate_ctr_group_desc tbf_ctrg_desc = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 113 | "pcu:tbf", |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 114 | "TBF Statistics", |
| 115 | OSMO_STATS_CLASS_SUBSCRIBER, |
| 116 | ARRAY_SIZE(tbf_ctr_description), |
| 117 | tbf_ctr_description, |
| 118 | }; |
| 119 | |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 120 | gprs_rlcmac_tbf::Meas::Meas() : |
| 121 | rssi_sum(0), |
| 122 | rssi_num(0) |
| 123 | { |
Stefan Sperling | f0f7df1 | 2018-05-25 15:12:30 +0200 | [diff] [blame] | 124 | timespecclear(&rssi_tv); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 125 | } |
| 126 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 127 | gprs_rlcmac_tbf::gprs_rlcmac_tbf(struct gprs_rlcmac_bts *bts_, GprsMs *ms, gprs_rlcmac_tbf_direction dir) : |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 128 | state_flags(0), |
Jacob Erlbeck | 6835cea | 2015-08-21 15:24:02 +0200 | [diff] [blame] | 129 | direction(dir), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 130 | trx(NULL), |
| 131 | first_ts(0), |
| 132 | first_common_ts(0), |
| 133 | control_ts(0xff), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 134 | poll_fn(0), |
Jacob Erlbeck | 8eb1714 | 2016-01-22 17:58:17 +0100 | [diff] [blame] | 135 | poll_ts(0), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 136 | fT(0), |
| 137 | num_fT_exp(0), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 138 | was_releasing(0), |
| 139 | upgrade_to_multislot(0), |
| 140 | bts(bts_), |
| 141 | m_tfi(0), |
| 142 | m_created_ts(0), |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 143 | m_ctrs(NULL), |
Max | 5081806 | 2017-12-06 13:35:08 +0100 | [diff] [blame] | 144 | state(GPRS_RLCMAC_NULL), |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 145 | m_ms(ms), |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 146 | dl_ass_state(GPRS_RLCMAC_DL_ASS_NONE), |
| 147 | ul_ass_state(GPRS_RLCMAC_UL_ASS_NONE), |
Max | 088c7df | 2018-01-23 20:16:23 +0100 | [diff] [blame] | 148 | ul_ack_state(GPRS_RLCMAC_UL_ACK_NONE), |
Max | cac6b66 | 2018-01-24 11:00:17 +0100 | [diff] [blame] | 149 | poll_state(GPRS_RLCMAC_POLL_NONE), |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 150 | m_egprs_enabled(false) |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 151 | { |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 152 | /* The classes of these members do not have proper constructors yet. |
| 153 | * Just set them to 0 like talloc_zero did */ |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 154 | memset(&pdch, 0, sizeof(pdch)); |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 155 | memset(&Tarr, 0, sizeof(Tarr)); |
| 156 | memset(&Narr, 0, sizeof(Narr)); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 157 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 158 | memset(&m_ms_list, 0, sizeof(m_ms_list)); |
| 159 | m_ms_list.entry = this; |
| 160 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 161 | memset(&m_bts_list, 0, sizeof(m_bts_list)); |
| 162 | m_bts_list.entry = this; |
| 163 | |
Pau Espin Pedrol | 0b0748a | 2018-05-16 15:20:39 +0200 | [diff] [blame] | 164 | m_rlc.init(); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 165 | m_llc.init(); |
| 166 | |
| 167 | m_name_buf[0] = '\0'; |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 168 | } |
| 169 | |
Jacob Erlbeck | 8759735 | 2015-05-18 11:56:50 +0200 | [diff] [blame] | 170 | uint32_t gprs_rlcmac_tbf::tlli() const |
| 171 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 172 | return m_ms ? ms_tlli(m_ms) : GSM_RESERVED_TMSI; |
Jacob Erlbeck | 8759735 | 2015-05-18 11:56:50 +0200 | [diff] [blame] | 173 | } |
| 174 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 175 | const char *gprs_rlcmac_tbf::imsi() const |
Holger Hans Peter Freyther | d868928 | 2013-08-24 20:51:06 +0200 | [diff] [blame] | 176 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 177 | return ms_imsi(m_ms); |
Holger Hans Peter Freyther | d868928 | 2013-08-24 20:51:06 +0200 | [diff] [blame] | 178 | } |
| 179 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 180 | uint8_t gprs_rlcmac_tbf::ta() const |
| 181 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 182 | return ms_ta(m_ms); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 183 | } |
| 184 | |
| 185 | void gprs_rlcmac_tbf::set_ta(uint8_t ta) |
| 186 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 187 | ms_set_ta(m_ms, ta); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 188 | } |
| 189 | |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 190 | uint8_t gprs_rlcmac_tbf::ms_class() const |
| 191 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 192 | return ms_ms_class(m_ms); |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 193 | } |
| 194 | |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 195 | enum CodingScheme gprs_rlcmac_tbf::current_cs() const |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 196 | { |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 197 | enum CodingScheme cs; |
Pau Espin Pedrol | fc46493 | 2021-01-25 12:05:32 +0100 | [diff] [blame] | 198 | enum mcs_kind req_mcs_kind = is_egprs_enabled() ? EGPRS : GPRS; |
Pau Espin Pedrol | 2ae8337 | 2020-05-18 11:35:35 +0200 | [diff] [blame] | 199 | |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 200 | if (direction == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | 2238228 | 2021-01-25 11:37:19 +0100 | [diff] [blame] | 201 | cs = ms_current_cs_ul(m_ms); |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 202 | else |
Pau Espin Pedrol | fc46493 | 2021-01-25 12:05:32 +0100 | [diff] [blame] | 203 | cs = ms_current_cs_dl(m_ms, req_mcs_kind); |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 204 | |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 205 | return cs; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 206 | } |
| 207 | |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 208 | gprs_llc_queue *gprs_rlcmac_tbf::llc_queue() |
| 209 | { |
Pau Espin Pedrol | 2238228 | 2021-01-25 11:37:19 +0100 | [diff] [blame] | 210 | return ms_llc_queue(m_ms); |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 211 | } |
| 212 | |
| 213 | const gprs_llc_queue *gprs_rlcmac_tbf::llc_queue() const |
| 214 | { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 215 | return ms_llc_queue(m_ms); |
Alexander Couzens | d38b92e | 2016-08-21 19:38:30 +0200 | [diff] [blame] | 216 | } |
| 217 | |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 218 | void gprs_rlcmac_tbf::set_ms(GprsMs *ms) |
| 219 | { |
| 220 | if (m_ms == ms) |
| 221 | return; |
| 222 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 223 | if (m_ms) { |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 224 | ms_detach_tbf(m_ms, this); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 225 | } |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 226 | |
| 227 | m_ms = ms; |
| 228 | |
| 229 | if (m_ms) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 230 | ms_attach_tbf(m_ms, this); |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 231 | } |
| 232 | |
Jacob Erlbeck | be0cbc1 | 2015-05-18 14:35:11 +0200 | [diff] [blame] | 233 | 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] | 234 | { |
Vadim Yanitskiy | cb98894 | 2020-11-08 13:27:35 +0700 | [diff] [blame] | 235 | if (tlli == GSM_RESERVED_TMSI) |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 236 | return; |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 237 | |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 238 | /* TODO: When the TLLI does not match the ms, check if there is another |
| 239 | * MS object that belongs to that TLLI and if yes make sure one of them |
| 240 | * gets deleted. This is the same problem that can arise with |
Pau Espin Pedrol | 528820d | 2020-10-26 12:40:11 +0100 | [diff] [blame] | 241 | * 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] | 242 | if (!ms_check_tlli(ms(), tlli)) { |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 243 | GprsMs *old_ms; |
| 244 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 245 | old_ms = bts_ms_store(bts)->get_ms(tlli, 0, NULL); |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 246 | if (old_ms) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 247 | ms_merge_and_clear_ms(ms(), old_ms); |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 248 | } |
| 249 | |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 250 | if (dir == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 251 | ms_set_tlli(ms(), tlli); |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 252 | else |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 253 | ms_confirm_tlli(ms(), tlli); |
Daniel Willmann | e481815 | 2014-08-15 16:52:09 +0200 | [diff] [blame] | 254 | } |
| 255 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 256 | static void tbf_unlink_pdch(struct gprs_rlcmac_tbf *tbf) |
| 257 | { |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 258 | int ts; |
| 259 | |
Jacob Erlbeck | ccc34e4 | 2015-06-29 13:45:05 +0200 | [diff] [blame] | 260 | for (ts = 0; ts < 8; ts++) { |
| 261 | if (!tbf->pdch[ts]) |
| 262 | continue; |
| 263 | |
| 264 | tbf->pdch[ts]->detach_tbf(tbf); |
| 265 | tbf->pdch[ts] = NULL; |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 266 | } |
| 267 | } |
| 268 | |
| 269 | void tbf_free(struct gprs_rlcmac_tbf *tbf) |
| 270 | { |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 271 | /* update counters */ |
| 272 | if (tbf->direction == GPRS_RLCMAC_UL_TBF) { |
sivasankari | da7250a | 2016-12-16 12:57:18 +0530 | [diff] [blame] | 273 | gprs_rlcmac_ul_tbf *ul_tbf = as_ul_tbf(tbf); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 274 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_UL_FREED); |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 275 | if (tbf->state_is(GPRS_RLCMAC_FLOW)) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 276 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_UL_ABORTED); |
sivasankari | da7250a | 2016-12-16 12:57:18 +0530 | [diff] [blame] | 277 | rate_ctr_group_free(ul_tbf->m_ul_egprs_ctrs); |
| 278 | rate_ctr_group_free(ul_tbf->m_ul_gprs_ctrs); |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 279 | } else { |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 280 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(tbf); |
| 281 | if (tbf->is_egprs_enabled()) { |
| 282 | rate_ctr_group_free(dl_tbf->m_dl_egprs_ctrs); |
| 283 | } else { |
| 284 | rate_ctr_group_free(dl_tbf->m_dl_gprs_ctrs); |
| 285 | } |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 286 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_DL_FREED); |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 287 | if (tbf->state_is(GPRS_RLCMAC_FLOW)) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 288 | bts_do_rate_ctr_inc(tbf->bts, CTR_TBF_DL_ABORTED); |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 289 | } |
| 290 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 291 | /* Give final measurement report */ |
| 292 | gprs_rlcmac_rssi_rep(tbf); |
Daniel Willmann | 418a423 | 2014-08-08 11:21:04 +0200 | [diff] [blame] | 293 | if (tbf->direction == GPRS_RLCMAC_DL_TBF) { |
Jacob Erlbeck | aa9daa1 | 2015-12-28 18:49:12 +0100 | [diff] [blame] | 294 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(tbf); |
Jacob Erlbeck | f04a5b3 | 2016-01-21 20:42:40 +0100 | [diff] [blame] | 295 | |
| 296 | dl_tbf->abort(); |
Jacob Erlbeck | d0261b7 | 2015-04-02 13:58:09 +0200 | [diff] [blame] | 297 | dl_tbf->cleanup(); |
Daniel Willmann | 418a423 | 2014-08-08 11:21:04 +0200 | [diff] [blame] | 298 | } |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 299 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 300 | LOGPTBF(tbf, LOGL_INFO, "free\n"); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 301 | tbf->stop_timers("freeing TBF"); |
Max | 5a6bcfb | 2017-09-01 14:36:44 +0200 | [diff] [blame] | 302 | /* TODO: Could/Should generate bssgp_tx_llc_discarded */ |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 303 | tbf_unlink_pdch(tbf); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 304 | llist_del(tbf_bts_list(tbf)); |
Holger Hans Peter Freyther | 1587764 | 2013-10-27 09:50:15 +0100 | [diff] [blame] | 305 | |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 306 | if (tbf->ms()) |
| 307 | tbf->set_ms(NULL); |
| 308 | |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 309 | rate_ctr_group_free(tbf->m_ctrs); |
| 310 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 311 | LOGP(DTBF, LOGL_DEBUG, "********** %s-TBF ends here **********\n", |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 312 | (tbf->direction != GPRS_RLCMAC_UL_TBF) ? "DL" : "UL"); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 313 | talloc_free(tbf); |
| 314 | } |
| 315 | |
Pau Espin Pedrol | 0ece97d | 2021-01-18 12:53:54 +0100 | [diff] [blame] | 316 | 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] | 317 | { |
| 318 | uint8_t num_pdch = pcu_bitcount(slots); |
| 319 | |
| 320 | return OSMO_MIN((num_pdch != 1) ? (128 * num_pdch) : 192, |
Pau Espin Pedrol | 519d071 | 2021-01-14 14:30:03 +0100 | [diff] [blame] | 321 | 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] | 322 | } |
| 323 | |
Jacob Erlbeck | e0c734d | 2015-07-03 14:03:33 +0200 | [diff] [blame] | 324 | int gprs_rlcmac_tbf::update() |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 325 | { |
Jacob Erlbeck | e0c734d | 2015-07-03 14:03:33 +0200 | [diff] [blame] | 326 | int rc; |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 327 | |
Holger Hans Peter Freyther | aa9c326 | 2013-10-26 17:49:36 +0200 | [diff] [blame] | 328 | if (direction != GPRS_RLCMAC_DL_TBF) |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 329 | return -EINVAL; |
| 330 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 331 | LOGP(DTBF, LOGL_DEBUG, "********** DL-TBF update **********\n"); |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 332 | |
Holger Hans Peter Freyther | aa9c326 | 2013-10-26 17:49:36 +0200 | [diff] [blame] | 333 | tbf_unlink_pdch(this); |
Pau Espin Pedrol | c85e093 | 2021-02-25 18:08:10 +0100 | [diff] [blame] | 334 | rc = the_pcu->alloc_algorithm(bts, this, false, -1); |
Holger Hans Peter Freyther | 90b87ea | 2013-10-27 10:38:31 +0100 | [diff] [blame] | 335 | /* if no resource */ |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 336 | if (rc < 0) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 337 | LOGPTBF(this, LOGL_ERROR, "No resource after update???\n"); |
Pau Espin Pedrol | 4e1c9ad | 2021-02-25 17:21:32 +0100 | [diff] [blame] | 338 | bts_do_rate_ctr_inc(bts, CTR_TBF_ALLOC_FAIL); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 339 | return -rc; |
| 340 | } |
| 341 | |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 342 | if (is_egprs_enabled()) { |
| 343 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
| 344 | if (dl_tbf) |
Max | 9d7357e | 2017-12-14 15:02:33 +0100 | [diff] [blame] | 345 | dl_tbf->set_window_size(); |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 346 | } |
| 347 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 348 | return 0; |
| 349 | } |
| 350 | |
| 351 | int tbf_assign_control_ts(struct gprs_rlcmac_tbf *tbf) |
| 352 | { |
| 353 | if (tbf->control_ts == 0xff) |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 354 | LOGPTBF(tbf, LOGL_INFO, "Setting Control TS %d\n", |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 355 | tbf->first_common_ts); |
| 356 | else if (tbf->control_ts != tbf->first_common_ts) |
Pau Espin Pedrol | 7fd9a29 | 2020-11-30 12:18:38 +0100 | [diff] [blame] | 357 | LOGPTBF(tbf, LOGL_INFO, "Changing Control TS %d -> %d\n", |
| 358 | tbf->control_ts, tbf->first_common_ts); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 359 | tbf->control_ts = tbf->first_common_ts; |
| 360 | |
| 361 | return 0; |
| 362 | } |
| 363 | |
Daniel Willmann | eb10024 | 2014-08-08 11:43:53 +0200 | [diff] [blame] | 364 | const char *gprs_rlcmac_tbf::tbf_state_name[] = { |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 365 | "NULL", |
| 366 | "ASSIGN", |
| 367 | "FLOW", |
| 368 | "FINISHED", |
| 369 | "WAIT RELEASE", |
| 370 | "RELEASING", |
| 371 | }; |
| 372 | |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 373 | void gprs_rlcmac_tbf::n_reset(enum tbf_counters n) |
| 374 | { |
| 375 | if (n >= N_MAX) { |
| 376 | LOGPTBF(this, LOGL_ERROR, "attempting to reset unknown counter %s\n", |
| 377 | get_value_string(tbf_counters_names, n)); |
| 378 | return; |
| 379 | } |
| 380 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 381 | Narr[n] = 0; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 382 | } |
| 383 | |
| 384 | /* Increment counter and check for MAX value (return true if we hit it) */ |
| 385 | bool gprs_rlcmac_tbf::n_inc(enum tbf_counters n) |
| 386 | { |
| 387 | uint8_t chk; |
| 388 | |
| 389 | if (n >= N_MAX) { |
| 390 | LOGPTBF(this, LOGL_ERROR, "attempting to increment unknown counter %s\n", |
| 391 | get_value_string(tbf_counters_names, n)); |
| 392 | return true; |
| 393 | } |
| 394 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 395 | Narr[n]++; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 396 | |
| 397 | switch(n) { |
| 398 | case N3101: |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 399 | chk = bts->n3101; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 400 | break; |
| 401 | case N3103: |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 402 | chk = bts->n3103; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 403 | break; |
| 404 | case N3105: |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 405 | chk = bts->n3105; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 406 | break; |
| 407 | default: |
| 408 | LOGPTBF(this, LOGL_ERROR, "unhandled counter %s\n", |
| 409 | get_value_string(tbf_counters_names, n)); |
| 410 | return true; |
| 411 | } |
| 412 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 413 | if (Narr[n] == chk) { |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 414 | LOGPTBF(this, LOGL_NOTICE, "%s exceeded MAX (%u)\n", |
| 415 | get_value_string(tbf_counters_names, n), chk); |
| 416 | return true; |
Pau Espin Pedrol | 58fdc54 | 2021-03-04 14:10:52 +0100 | [diff] [blame] | 417 | } else { |
| 418 | LOGPTBF(this, LOGL_DEBUG, "%s %" PRIu8 " => %" PRIu8 " (< MAX %" PRIu8 ")\n", |
| 419 | get_value_string(tbf_counters_names, n), Narr[n] - 1, Narr[n], chk); |
| 420 | return false; |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 421 | } |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 422 | } |
| 423 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 424 | 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] | 425 | { |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 426 | if (t >= T_MAX) { |
| 427 | LOGPTBF(this, LOGL_ERROR, "attempting to stop unknown timer %s [%s]\n", |
| 428 | get_value_string(tbf_timers_names, t), reason); |
Max | 0bc982e | 2017-12-21 18:58:50 +0100 | [diff] [blame] | 429 | return; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 430 | } |
| 431 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 432 | if (osmo_timer_pending(&Tarr[t])) { |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 433 | LOGPTBF(this, LOGL_DEBUG, "stopping timer %s [%s]\n", |
| 434 | get_value_string(tbf_timers_names, t), reason); |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 435 | osmo_timer_del(&Tarr[t]); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 436 | } |
| 437 | } |
| 438 | |
| 439 | /* check if any of T31xx timer(s) are pending */ |
| 440 | bool gprs_rlcmac_tbf::timers_pending(enum tbf_timers t) |
| 441 | { |
| 442 | uint8_t i; |
| 443 | |
| 444 | if (t != T_MAX) |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 445 | return osmo_timer_pending(&Tarr[t]); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 446 | |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 447 | /* we don't start with T0 because it's internal timer which requires special handling */ |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 448 | for (i = T3169; i < T_MAX; i++) |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 449 | if (osmo_timer_pending(&Tarr[i])) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 450 | return true; |
| 451 | |
| 452 | return false; |
| 453 | } |
| 454 | |
| 455 | void gprs_rlcmac_tbf::stop_timers(const char *reason) |
| 456 | { |
| 457 | uint8_t i; |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 458 | /* we start with T0 because timer reset does not require any special handling */ |
| 459 | for (i = T0; i < T_MAX; i++) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 460 | t_stop((enum tbf_timers)i, reason); |
Holger Hans Peter Freyther | 86300bb | 2013-10-26 18:01:35 +0200 | [diff] [blame] | 461 | } |
| 462 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 463 | static inline void tbf_timeout_free(struct gprs_rlcmac_tbf *tbf, enum tbf_timers t, bool run_diag) |
| 464 | { |
| 465 | LOGPTBF(tbf, LOGL_NOTICE, "%s timeout expired, freeing TBF\n", |
| 466 | get_value_string(tbf_timers_names, t)); |
| 467 | |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 468 | if (run_diag) { |
| 469 | LOGPTBF(tbf, LOGL_NOTICE, "%s timeout expired, freeing TBF: %s\n", |
| 470 | get_value_string(tbf_timers_names, t), tbf->rlcmac_diag().c_str()); |
| 471 | } else { |
| 472 | LOGPTBF(tbf, LOGL_NOTICE, "%s timeout expired, freeing TBF\n", |
| 473 | get_value_string(tbf_timers_names, t)); |
| 474 | } |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 475 | |
| 476 | tbf_free(tbf); |
| 477 | } |
| 478 | |
| 479 | #define T_CBACK(t, diag) static void cb_##t(void *_tbf) { tbf_timeout_free((struct gprs_rlcmac_tbf *)_tbf, t, diag); } |
| 480 | |
| 481 | T_CBACK(T3169, true) |
| 482 | T_CBACK(T3191, true) |
| 483 | T_CBACK(T3193, false) |
| 484 | T_CBACK(T3195, true) |
| 485 | |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 486 | 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] | 487 | const char *file, unsigned line) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 488 | { |
Pau Espin Pedrol | 4a5209d | 2021-01-18 14:05:40 +0100 | [diff] [blame] | 489 | int current_fn = bts_current_frame_number(bts); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 490 | int sec; |
| 491 | int microsec; |
| 492 | struct osmo_tdef *tdef; |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 493 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 494 | if (!(tdef = osmo_tdef_get_entry(bts->T_defs_bts, T))) |
Pau Espin Pedrol | 924aaad | 2021-01-14 12:01:42 +0100 | [diff] [blame] | 495 | tdef = osmo_tdef_get_entry(bts->pcu->T_defs, T); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 496 | |
| 497 | if (t >= T_MAX || !tdef) { |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 498 | LOGPSRC(DTBF, LOGL_ERROR, file, line, "%s attempting to start unknown timer %s [%s], cur_fn=%d\n", |
| 499 | tbf_name(this), get_value_string(tbf_timers_names, t), reason, current_fn); |
Max | 0bc982e | 2017-12-21 18:58:50 +0100 | [diff] [blame] | 500 | return; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 501 | } |
| 502 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 503 | if (!force && osmo_timer_pending(&Tarr[t])) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 504 | return; |
| 505 | |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 506 | switch (tdef->unit) { |
| 507 | case OSMO_TDEF_MS: |
| 508 | sec = 0; |
| 509 | microsec = tdef->val * 1000; |
| 510 | break; |
| 511 | case OSMO_TDEF_S: |
| 512 | sec = tdef->val; |
| 513 | microsec = 0; |
| 514 | break; |
| 515 | default: |
| 516 | /* so far only timers using MS and S */ |
| 517 | OSMO_ASSERT(false); |
| 518 | } |
| 519 | |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 520 | 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] | 521 | tbf_name(this), osmo_timer_pending(&Tarr[t]) ? "re" : "", |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 522 | get_value_string(tbf_timers_names, t), reason, sec, microsec, current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 523 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 524 | Tarr[t].data = this; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 525 | |
| 526 | switch(t) { |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 527 | case T0: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 528 | Tarr[t].cb = tbf_timer_cb; |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 529 | break; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 530 | case T3169: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 531 | Tarr[t].cb = cb_T3169; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 532 | break; |
| 533 | case T3191: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 534 | Tarr[t].cb = cb_T3191; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 535 | break; |
| 536 | case T3193: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 537 | Tarr[t].cb = cb_T3193; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 538 | break; |
| 539 | case T3195: |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 540 | Tarr[t].cb = cb_T3195; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 541 | break; |
| 542 | default: |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 543 | LOGPSRC(DTBF, LOGL_ERROR, file, line, "%s attempting to set callback for unknown timer %s [%s], cur_fn=%d\n", |
| 544 | tbf_name(this), get_value_string(tbf_timers_names, t), reason, current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 545 | } |
| 546 | |
Pau Espin Pedrol | ef1fe58 | 2019-09-05 14:40:24 +0200 | [diff] [blame] | 547 | osmo_timer_schedule(&Tarr[t], sec, microsec); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 548 | } |
| 549 | |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 550 | 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] | 551 | uint32_t *poll_fn_, unsigned int *rrbp_) const |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 552 | { |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 553 | int rc; |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 554 | if (!is_control_ts(ts)) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 555 | LOGPTBF(this, LOGL_DEBUG, "Polling cannot be " |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 556 | "scheduled in this TS %d (first control TS %d)\n", |
| 557 | ts, control_ts); |
| 558 | return -EINVAL; |
| 559 | } |
| 560 | if (poll_state != GPRS_RLCMAC_POLL_NONE) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 561 | LOGPTBF(this, LOGL_DEBUG, "Polling is already scheduled\n"); |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 562 | return -EBUSY; |
| 563 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 564 | |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 565 | if ((rc = pdch_ulc_get_next_free_rrbp_fn(trx->pdch[ts].ulc, fn, poll_fn_, rrbp_)) < 0) { |
| 566 | LOGPTBF(this, LOGL_DEBUG, |
| 567 | "(bts=%u,trx=%u,ts=%u) FN=%u No suitable free RRBP offset found!\n", |
| 568 | trx->bts->nr, trx->trx_no, ts, fn); |
| 569 | return rc; |
| 570 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 571 | |
| 572 | return 0; |
| 573 | } |
| 574 | |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 575 | void gprs_rlcmac_tbf::set_polling(uint32_t new_poll_fn, uint8_t ts, enum gprs_rlcmac_tbf_poll_type t) |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 576 | { |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 577 | const char *chan = "UNKNOWN"; |
| 578 | |
| 579 | if (state_flags & (1 << (GPRS_RLCMAC_FLAG_CCCH))) |
| 580 | chan = "CCCH"; |
| 581 | |
| 582 | if (state_flags & (1 << (GPRS_RLCMAC_FLAG_PACCH))) |
| 583 | chan = "PACCH"; |
| 584 | |
| 585 | if ((state_flags & (1 << (GPRS_RLCMAC_FLAG_PACCH))) && (state_flags & (1 << (GPRS_RLCMAC_FLAG_CCCH)))) |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 586 | LOGPTBFDL(this, LOGL_ERROR, |
| 587 | "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] | 588 | chan, new_poll_fn, ts); |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 589 | |
| 590 | /* schedule polling */ |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 591 | if (pdch_ulc_reserve_tbf_poll(trx->pdch[ts].ulc, new_poll_fn, this) < 0) { |
| 592 | LOGPTBFDL(this, LOGL_ERROR, "Failed scheduling poll on %s (FN=%d, TS=%d)\n", |
| 593 | chan, poll_fn, ts); |
| 594 | return; |
| 595 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 596 | poll_state = GPRS_RLCMAC_POLL_SCHED; |
| 597 | poll_fn = new_poll_fn; |
| 598 | poll_ts = ts; |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 599 | |
| 600 | switch (t) { |
| 601 | case GPRS_RLCMAC_POLL_UL_ASS: |
| 602 | ul_ass_state = GPRS_RLCMAC_UL_ASS_WAIT_ACK; |
| 603 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 604 | LOGPTBFDL(this, LOGL_INFO, "Scheduled UL Assignment polling on %s (FN=%d, TS=%d)\n", |
| 605 | chan, poll_fn, poll_ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 606 | break; |
| 607 | case GPRS_RLCMAC_POLL_DL_ASS: |
| 608 | dl_ass_state = GPRS_RLCMAC_DL_ASS_WAIT_ACK; |
| 609 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 610 | LOGPTBFDL(this, LOGL_INFO, "Scheduled DL Assignment polling on %s (FN=%d, TS=%d)\n", |
| 611 | chan, poll_fn, poll_ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 612 | break; |
| 613 | case GPRS_RLCMAC_POLL_UL_ACK: |
| 614 | ul_ack_state = GPRS_RLCMAC_UL_ACK_WAIT_ACK; |
| 615 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 616 | LOGPTBFUL(this, LOGL_DEBUG, "Scheduled UL Acknowledgement polling on %s (FN=%d, TS=%d)\n", |
| 617 | chan, poll_fn, poll_ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 618 | break; |
| 619 | case GPRS_RLCMAC_POLL_DL_ACK: |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 620 | LOGPTBFDL(this, LOGL_DEBUG, "Scheduled DL Acknowledgement polling on %s (FN=%d, TS=%d)\n", |
| 621 | chan, poll_fn, poll_ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 622 | break; |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 623 | case GPRS_RLCMAC_POLL_CELL_CHG_CONTINUE: |
| 624 | LOGPTBFDL(this, LOGL_DEBUG, "Scheduled 'Packet Cell Change Continue' polling on %s (FN=%d, TS=%d)\n", |
| 625 | chan, poll_fn, poll_ts); |
| 626 | break; |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 627 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 628 | } |
| 629 | |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 630 | void gprs_rlcmac_tbf::poll_timeout() |
| 631 | { |
Pau Espin Pedrol | d7c3265 | 2019-12-23 12:41:34 +0100 | [diff] [blame] | 632 | uint16_t pgroup; |
Max | fd13f6c | 2017-07-07 14:29:36 +0200 | [diff] [blame] | 633 | gprs_rlcmac_ul_tbf *ul_tbf = as_ul_tbf(this); |
| 634 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 635 | LOGPTBF(this, LOGL_NOTICE, "poll timeout for FN=%d, TS=%d (curr FN %d)\n", |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 636 | poll_fn, poll_ts, bts_current_frame_number(bts)); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 637 | |
| 638 | poll_state = GPRS_RLCMAC_POLL_NONE; |
| 639 | |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 640 | if (n_inc(N3101)) { |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 641 | TBF_SET_STATE(this, GPRS_RLCMAC_RELEASING); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 642 | T_START(this, T3169, 3169, "MAX N3101 reached", false); |
Max | 59e4a4f | 2017-12-20 18:01:55 +0100 | [diff] [blame] | 643 | return; |
| 644 | } |
| 645 | |
Max | fd13f6c | 2017-07-07 14:29:36 +0200 | [diff] [blame] | 646 | if (ul_tbf && ul_tbf->handle_ctrl_ack()) { |
| 647 | if (!ul_tbf->ctrl_ack_to_toggle()) { |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 648 | LOGPTBF(this, LOGL_NOTICE, |
| 649 | "Timeout for polling PACKET CONTROL ACK for PACKET UPLINK ACK: %s\n", |
| 650 | rlcmac_diag().c_str()); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 651 | } |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 652 | bts_do_rate_ctr_inc(bts, CTR_RLC_ACK_TIMEDOUT); |
| 653 | bts_do_rate_ctr_inc(bts, CTR_PUAN_POLL_TIMEDOUT); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 654 | if (state_is(GPRS_RLCMAC_FINISHED)) { |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 655 | if (ul_tbf->n_inc(N3103)) { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 656 | bts_do_rate_ctr_inc(bts, CTR_PUAN_POLL_FAILED); |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 657 | TBF_SET_STATE(ul_tbf, GPRS_RLCMAC_RELEASING); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 658 | T_START(ul_tbf, T3169, 3169, "MAX N3103 reached", false); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 659 | return; |
| 660 | } |
| 661 | /* reschedule UL ack */ |
Daniel Willmann | 6a16e0c | 2014-08-07 13:03:35 +0200 | [diff] [blame] | 662 | 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] | 663 | } |
Jacob Erlbeck | c91c18e | 2015-07-07 09:33:29 +0200 | [diff] [blame] | 664 | |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 665 | } else if (ul_ass_state == GPRS_RLCMAC_UL_ASS_WAIT_ACK) { |
| 666 | if (!(state_flags & (1 << GPRS_RLCMAC_FLAG_TO_UL_ASS))) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 667 | LOGPTBF(this, LOGL_NOTICE, |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 668 | "Timeout for polling PACKET CONTROL ACK for PACKET UPLINK ASSIGNMENT: %s\n", |
| 669 | rlcmac_diag().c_str()); |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 670 | state_flags |= (1 << GPRS_RLCMAC_FLAG_TO_UL_ASS); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 671 | } |
| 672 | ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 673 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_TIMEDOUT); |
| 674 | bts_do_rate_ctr_inc(bts, CTR_PUA_POLL_TIMEDOUT); |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 675 | if (n_inc(N3105)) { |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 676 | TBF_SET_STATE(this, GPRS_RLCMAC_RELEASING); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 677 | T_START(this, T3195, 3195, "MAX N3105 reached", true); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 678 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_FAILED); |
| 679 | bts_do_rate_ctr_inc(bts, CTR_PUA_POLL_FAILED); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 680 | return; |
| 681 | } |
| 682 | /* reschedule UL assignment */ |
| 683 | ul_ass_state = GPRS_RLCMAC_UL_ASS_SEND_ASS; |
| 684 | } else if (dl_ass_state == GPRS_RLCMAC_DL_ASS_WAIT_ACK) { |
| 685 | if (!(state_flags & (1 << GPRS_RLCMAC_FLAG_TO_DL_ASS))) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 686 | LOGPTBF(this, LOGL_NOTICE, |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 687 | "Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: %s\n", |
| 688 | rlcmac_diag().c_str()); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 689 | state_flags |= (1 << GPRS_RLCMAC_FLAG_TO_DL_ASS); |
| 690 | } |
| 691 | dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 692 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_TIMEDOUT); |
| 693 | bts_do_rate_ctr_inc(bts, CTR_PDA_POLL_TIMEDOUT); |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 694 | if (n_inc(N3105)) { |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 695 | TBF_SET_STATE(this, GPRS_RLCMAC_RELEASING); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 696 | T_START(this, T3195, 3195, "MAX N3105 reached", true); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 697 | bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_FAILED); |
| 698 | bts_do_rate_ctr_inc(bts, CTR_PDA_POLL_FAILED); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 699 | return; |
| 700 | } |
| 701 | /* reschedule DL assignment */ |
| 702 | dl_ass_state = GPRS_RLCMAC_DL_ASS_SEND_ASS; |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 703 | } else if (m_ms->nacc && m_ms->nacc->fi->state == NACC_ST_WAIT_CELL_CHG_CONTINUE_ACK && |
| 704 | m_ms->nacc->continue_poll_fn == poll_fn && m_ms->nacc->continue_poll_ts == poll_ts) { |
| 705 | /* Timeout waiting for CTRL ACK acking Pkt Cell Change Continue */ |
| 706 | osmo_fsm_inst_dispatch(m_ms->nacc->fi, NACC_EV_TIMEOUT_CELL_CHG_CONTINUE, NULL); |
| 707 | return; |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 708 | } else if (direction == GPRS_RLCMAC_DL_TBF) { |
Jacob Erlbeck | aa9daa1 | 2015-12-28 18:49:12 +0100 | [diff] [blame] | 709 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
Daniel Willmann | 6a16e0c | 2014-08-07 13:03:35 +0200 | [diff] [blame] | 710 | |
| 711 | if (!(dl_tbf->state_flags & (1 << GPRS_RLCMAC_FLAG_TO_DL_ACK))) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 712 | LOGPTBF(this, LOGL_NOTICE, |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 713 | "Timeout for polling PACKET DOWNLINK ACK: %s\n", |
| 714 | dl_tbf->rlcmac_diag().c_str()); |
Daniel Willmann | 6a16e0c | 2014-08-07 13:03:35 +0200 | [diff] [blame] | 715 | dl_tbf->state_flags |= (1 << GPRS_RLCMAC_FLAG_TO_DL_ACK); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 716 | } |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 717 | |
Jacob Erlbeck | c91c18e | 2015-07-07 09:33:29 +0200 | [diff] [blame] | 718 | if (dl_tbf->state_is(GPRS_RLCMAC_RELEASING)) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 719 | bts_do_rate_ctr_inc(bts, CTR_RLC_REL_TIMEDOUT); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 720 | else { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 721 | bts_do_rate_ctr_inc(bts, CTR_RLC_ACK_TIMEDOUT); |
| 722 | bts_do_rate_ctr_inc(bts, CTR_PDAN_POLL_TIMEDOUT); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 723 | } |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 724 | |
| 725 | if (dl_tbf->n_inc(N3105)) { |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 726 | TBF_SET_STATE(dl_tbf, GPRS_RLCMAC_RELEASING); |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 727 | T_START(dl_tbf, T3195, 3195, "MAX N3105 reached", true); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 728 | bts_do_rate_ctr_inc(bts, CTR_PDAN_POLL_FAILED); |
| 729 | bts_do_rate_ctr_inc(bts, CTR_RLC_ACK_FAILED); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 730 | return; |
| 731 | } |
| 732 | /* resend IMM.ASS on CCCH on timeout */ |
Daniel Willmann | 6a16e0c | 2014-08-07 13:03:35 +0200 | [diff] [blame] | 733 | if ((dl_tbf->state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH)) |
| 734 | && !(dl_tbf->state_flags & (1 << GPRS_RLCMAC_FLAG_DL_ACK))) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 735 | 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] | 736 | imsi()); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 737 | /* send immediate assignment */ |
Pau Espin Pedrol | d7c3265 | 2019-12-23 12:41:34 +0100 | [diff] [blame] | 738 | if ((pgroup = imsi2paging_group(imsi())) > 999) |
| 739 | LOGPTBF(dl_tbf, LOGL_ERROR, "IMSI to paging group failed! (%s)\n", imsi()); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 740 | bts_snd_dl_ass(dl_tbf->bts, dl_tbf, false, pgroup); |
Daniel Willmann | 7e994e3 | 2014-08-07 15:49:21 +0200 | [diff] [blame] | 741 | dl_tbf->m_wait_confirm = 1; |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 742 | } |
| 743 | } else |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 744 | LOGPTBF(this, LOGL_ERROR, "Poll Timeout, but no event!\n"); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 745 | } |
| 746 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 747 | 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] | 748 | { |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 749 | int rc; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 750 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 751 | if (ms_mode(m_ms) != GPRS) |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 752 | enable_egprs(); |
Daniel Willmann | 1b3864f | 2014-07-30 13:25:19 +0200 | [diff] [blame] | 753 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 754 | m_created_ts = time(NULL); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 755 | /* select algorithm */ |
Pau Espin Pedrol | c85e093 | 2021-02-25 18:08:10 +0100 | [diff] [blame] | 756 | 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] | 757 | /* if no resource */ |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 758 | if (rc < 0) { |
Pau Espin Pedrol | 7c9a4a4 | 2021-02-25 17:21:10 +0100 | [diff] [blame] | 759 | LOGPTBF(this, LOGL_NOTICE, |
| 760 | "Timeslot Allocation failed: trx = %d, single_slot = %d\n", |
| 761 | use_trx, single_slot); |
Pau Espin Pedrol | 4e1c9ad | 2021-02-25 17:21:32 +0100 | [diff] [blame] | 762 | bts_do_rate_ctr_inc(bts, CTR_TBF_ALLOC_FAIL); |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 763 | return -1; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 764 | } |
| 765 | /* assign control ts */ |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 766 | rc = tbf_assign_control_ts(this); |
Holger Hans Peter Freyther | 90b87ea | 2013-10-27 10:38:31 +0100 | [diff] [blame] | 767 | /* if no resource */ |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 768 | if (rc < 0) { |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 769 | return -1; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 770 | } |
| 771 | |
| 772 | /* set timestamp */ |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 773 | osmo_clock_gettime(CLOCK_MONOTONIC, &meas.rssi_tv); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 774 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 775 | LOGPTBF(this, LOGL_INFO, |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 776 | "Allocated: trx = %d, ul_slots = %02x, dl_slots = %02x\n", |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 777 | this->trx->trx_no, ul_slots(), dl_slots()); |
Jacob Erlbeck | 5879c64 | 2015-07-10 10:41:36 +0200 | [diff] [blame] | 778 | |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 779 | m_ctrs = rate_ctr_group_alloc(this, &tbf_ctrg_desc, next_tbf_ctr_group_id++); |
| 780 | if (!m_ctrs) { |
| 781 | LOGPTBF(this, LOGL_ERROR, "Couldn't allocate TBF counters\n"); |
Harald Welte | 9530a40 | 2017-07-12 00:46:36 +0200 | [diff] [blame] | 782 | return -1; |
| 783 | } |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 784 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 785 | ms_attach_tbf(m_ms, this); |
Pau Espin Pedrol | e9f77d3 | 2020-10-23 18:41:40 +0200 | [diff] [blame] | 786 | |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 787 | return 0; |
| 788 | } |
| 789 | |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 790 | static void tbf_timer_cb(void *_tbf) |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 791 | { |
| 792 | struct gprs_rlcmac_tbf *tbf = (struct gprs_rlcmac_tbf *)_tbf; |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 793 | tbf->handle_timeout(); |
| 794 | } |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 795 | |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 796 | void gprs_rlcmac_tbf::handle_timeout() |
| 797 | { |
Pau Espin Pedrol | 4a5209d | 2021-01-18 14:05:40 +0100 | [diff] [blame] | 798 | int current_fn = bts_current_frame_number(bts); |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 799 | |
| 800 | LOGPTBF(this, LOGL_DEBUG, "timer 0 expired. cur_fn=%d\n", current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 801 | |
| 802 | /* assignment */ |
| 803 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_PACCH))) { |
| 804 | if (state_is(GPRS_RLCMAC_ASSIGN)) { |
| 805 | LOGPTBF(this, LOGL_NOTICE, "releasing due to PACCH assignment timeout.\n"); |
| 806 | tbf_free(this); |
| 807 | return; |
| 808 | } else |
| 809 | LOGPTBF(this, LOGL_ERROR, "Error: TBF is not in assign state\n"); |
| 810 | } |
| 811 | |
| 812 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH))) { |
| 813 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
| 814 | dl_tbf->m_wait_confirm = 0; |
| 815 | if (dl_tbf->state_is(GPRS_RLCMAC_ASSIGN)) { |
| 816 | tbf_assign_control_ts(dl_tbf); |
| 817 | |
| 818 | if (!dl_tbf->upgrade_to_multislot) { |
| 819 | /* change state to FLOW, so scheduler |
| 820 | * will start transmission */ |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 821 | TBF_SET_STATE(dl_tbf, GPRS_RLCMAC_FLOW); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 822 | return; |
| 823 | } |
| 824 | |
| 825 | /* This tbf can be upgraded to use multiple DL |
| 826 | * timeslots and now that there is already one |
| 827 | * slot assigned send another DL assignment via |
| 828 | * PDCH. */ |
| 829 | |
| 830 | /* keep to flags */ |
| 831 | dl_tbf->state_flags &= GPRS_RLCMAC_FLAG_TO_MASK; |
| 832 | |
| 833 | dl_tbf->update(); |
| 834 | |
| 835 | dl_tbf->trigger_ass(dl_tbf); |
| 836 | } else |
| 837 | 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] | 838 | } |
| 839 | } |
| 840 | |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 841 | std::string gprs_rlcmac_tbf::rlcmac_diag() |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 842 | { |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 843 | std::ostringstream os; |
| 844 | os << "|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 845 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH))) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 846 | os << "Assignment was on CCCH|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 847 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_PACCH))) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 848 | os << "Assignment was on PACCH|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 849 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_UL_DATA))) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 850 | os << "Uplink data was received|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 851 | else if (direction == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 852 | os << "No uplink data received yet|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 853 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_DL_ACK))) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 854 | os << "Downlink ACK was received|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 855 | else if (direction == GPRS_RLCMAC_DL_TBF) |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 856 | os << "No downlink ACK received yet|"; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 857 | |
Pau Espin Pedrol | cd6c466 | 2020-09-22 13:41:00 +0200 | [diff] [blame] | 858 | return os.str(); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 859 | } |
| 860 | |
Jacob Erlbeck | 5a3c84d | 2016-01-22 17:25:38 +0100 | [diff] [blame] | 861 | 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] | 862 | { |
| 863 | struct msgb *msg; |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 864 | struct gprs_rlcmac_dl_tbf *new_dl_tbf = NULL; |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 865 | RlcMacDownlink_t *mac_control_block = NULL; |
Holger Hans Peter Freyther | 9977e15 | 2013-11-24 22:52:10 +0100 | [diff] [blame] | 866 | int poll_ass_dl = 1; |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 867 | unsigned int rrbp = 0; |
| 868 | uint32_t new_poll_fn = 0; |
| 869 | int rc; |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 870 | bool old_tfi_is_valid = is_tfi_assigned(); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 871 | |
Jacob Erlbeck | 646da1b | 2016-01-22 17:41:33 +0100 | [diff] [blame] | 872 | if (direction == GPRS_RLCMAC_DL_TBF && !is_control_ts(ts)) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 873 | LOGPTBF(this, LOGL_NOTICE, |
Thorsten Alteholz | 8bb7904 | 2018-10-06 10:42:58 +0200 | [diff] [blame] | 874 | "Cannot poll for downlink assignment, because MS cannot reply. (TS=%d, first common TS=%d)\n", |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 875 | ts, first_common_ts); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 876 | poll_ass_dl = 0; |
| 877 | } |
| 878 | if (poll_ass_dl) { |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 879 | if (poll_state == GPRS_RLCMAC_POLL_SCHED && |
| 880 | ul_ass_state == GPRS_RLCMAC_UL_ASS_WAIT_ACK) |
| 881 | { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 882 | LOGPTBF(this, LOGL_DEBUG, |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 883 | "Polling is already scheduled, so we must wait for the uplink assignment...\n"); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 884 | return NULL; |
| 885 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 886 | rc = check_polling(fn, ts, &new_poll_fn, &rrbp); |
| 887 | if (rc < 0) |
| 888 | return NULL; |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 889 | } |
| 890 | |
| 891 | /* on uplink TBF we get the downlink TBF to be assigned. */ |
| 892 | if (direction == GPRS_RLCMAC_UL_TBF) { |
Jacob Erlbeck | aa9daa1 | 2015-12-28 18:49:12 +0100 | [diff] [blame] | 893 | gprs_rlcmac_ul_tbf *ul_tbf = as_ul_tbf(this); |
Daniel Willmann | b2886f1 | 2014-08-07 14:48:20 +0200 | [diff] [blame] | 894 | |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 895 | /* be sure to check first, if contention resolution is done, |
| 896 | * otherwise we cannot send the assignment yet */ |
Daniel Willmann | 7e994e3 | 2014-08-07 15:49:21 +0200 | [diff] [blame] | 897 | if (!ul_tbf->m_contention_resolution_done) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 898 | LOGPTBF(this, LOGL_DEBUG, |
| 899 | "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] | 900 | return NULL; |
| 901 | } |
Daniel Willmann | e481815 | 2014-08-15 16:52:09 +0200 | [diff] [blame] | 902 | } |
| 903 | |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 904 | if (ms()) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 905 | new_dl_tbf = ms_dl_tbf(ms()); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 906 | |
Daniel Willmann | b2886f1 | 2014-08-07 14:48:20 +0200 | [diff] [blame] | 907 | if (!new_dl_tbf) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 908 | LOGPTBFDL(this, LOGL_ERROR, |
| 909 | "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] | 910 | dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 911 | return NULL; |
| 912 | } |
| 913 | |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 914 | if (new_dl_tbf == as_dl_tbf(this)) |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 915 | LOGPTBF(this, LOGL_DEBUG, "New and old TBF are the same.\n"); |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 916 | |
| 917 | if (old_tfi_is_valid && !new_dl_tbf->is_tlli_valid()) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 918 | LOGPTBF(this, LOGL_ERROR, |
| 919 | "The old TFI is not assigned and there is no TLLI. New TBF %s\n", |
| 920 | new_dl_tbf->name()); |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 921 | dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 922 | return NULL; |
| 923 | } |
| 924 | |
Holger Hans Peter Freyther | f5c9747 | 2014-12-26 18:32:00 +0100 | [diff] [blame] | 925 | new_dl_tbf->was_releasing = was_releasing; |
Vadim Yanitskiy | c82c1f5 | 2020-08-21 19:53:32 +0700 | [diff] [blame] | 926 | msg = msgb_alloc(GSM_MACBLOCK_LEN, "rlcmac_dl_ass"); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 927 | if (!msg) |
| 928 | return NULL; |
Vadim Yanitskiy | e4bcd21 | 2020-08-21 19:45:09 +0700 | [diff] [blame] | 929 | |
| 930 | /* Initialize a bit vector that uses allocated msgb as the data buffer. |
| 931 | * Old G++ does not support non-trivial designated initializers. Sigh. */ |
| 932 | struct bitvec bv = { }; |
| 933 | bv.data = msgb_put(msg, GSM_MACBLOCK_LEN); |
| 934 | bv.data_len = GSM_MACBLOCK_LEN; |
| 935 | bitvec_unhex(&bv, DUMMY_VEC); |
| 936 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 937 | 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] | 938 | mac_control_block = (RlcMacDownlink_t *)talloc_zero(tall_pcu_ctx, RlcMacDownlink_t); |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 939 | Encoding::write_packet_downlink_assignment(mac_control_block, |
| 940 | old_tfi_is_valid, m_tfi, (direction == GPRS_RLCMAC_DL_TBF), |
| 941 | new_dl_tbf, poll_ass_dl, rrbp, |
Pau Espin Pedrol | fe8de45 | 2021-02-09 18:47:34 +0100 | [diff] [blame] | 942 | 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] | 943 | is_egprs_enabled()); |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 944 | LOGP(DTBF, LOGL_DEBUG, "+++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++\n"); |
Vadim Yanitskiy | e4bcd21 | 2020-08-21 19:45:09 +0700 | [diff] [blame] | 945 | rc = encode_gsm_rlcmac_downlink(&bv, mac_control_block); |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 946 | if (rc < 0) { |
Pau Espin Pedrol | 8b4b19a | 2020-12-18 19:03:42 +0100 | [diff] [blame] | 947 | 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] | 948 | goto free_ret; |
| 949 | } |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 950 | LOGP(DTBF, LOGL_DEBUG, "------------------------- TX : Packet Downlink Assignment -------------------------\n"); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 951 | bts_do_rate_ctr_inc(bts, CTR_PKT_DL_ASSIGNMENT); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 952 | |
| 953 | if (poll_ass_dl) { |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 954 | set_polling(new_poll_fn, ts, GPRS_RLCMAC_POLL_DL_ASS); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 955 | } else { |
| 956 | dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 957 | TBF_SET_STATE(new_dl_tbf, GPRS_RLCMAC_FLOW); |
Daniel Willmann | b2886f1 | 2014-08-07 14:48:20 +0200 | [diff] [blame] | 958 | tbf_assign_control_ts(new_dl_tbf); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 959 | /* stop pending assignment timer */ |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 960 | new_dl_tbf->t_stop(T0, "assignment (DL-TBF)"); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 961 | |
| 962 | } |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 963 | |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 964 | talloc_free(mac_control_block); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 965 | return msg; |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 966 | |
| 967 | free_ret: |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 968 | talloc_free(mac_control_block); |
| 969 | msgb_free(msg); |
| 970 | return NULL; |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 971 | } |
| 972 | |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 973 | struct msgb *gprs_rlcmac_tbf::create_packet_access_reject() |
| 974 | { |
| 975 | struct msgb *msg; |
| 976 | |
Vadim Yanitskiy | c82c1f5 | 2020-08-21 19:53:32 +0700 | [diff] [blame] | 977 | msg = msgb_alloc(GSM_MACBLOCK_LEN, "rlcmac_ul_ass_rej"); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 978 | |
Vadim Yanitskiy | c82c1f5 | 2020-08-21 19:53:32 +0700 | [diff] [blame] | 979 | bitvec *packet_access_rej = bitvec_alloc(GSM_MACBLOCK_LEN, tall_pcu_ctx); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 980 | |
Max | 7426c5f | 2019-02-18 20:42:42 +0100 | [diff] [blame] | 981 | bitvec_unhex(packet_access_rej, DUMMY_VEC); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 982 | |
| 983 | Encoding::write_packet_access_reject( |
| 984 | packet_access_rej, tlli()); |
| 985 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 986 | bts_do_rate_ctr_inc(bts, CTR_PKT_ACCESS_REJ); |
sivasankari | 168911b | 2016-11-25 19:53:36 +0530 | [diff] [blame] | 987 | |
Vadim Yanitskiy | c82c1f5 | 2020-08-21 19:53:32 +0700 | [diff] [blame] | 988 | bitvec_pack(packet_access_rej, msgb_put(msg, GSM_MACBLOCK_LEN)); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 989 | |
| 990 | bitvec_free(packet_access_rej); |
| 991 | ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; |
| 992 | |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 993 | /* Start Tmr only if it is UL TBF */ |
| 994 | if (direction == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | 28f160e | 2019-09-05 14:48:35 +0200 | [diff] [blame] | 995 | T_START(this, T0, -2000, "reject (PACCH)", true); |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 996 | |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 997 | return msg; |
| 998 | |
| 999 | } |
| 1000 | |
Jacob Erlbeck | 5a3c84d | 2016-01-22 17:25:38 +0100 | [diff] [blame] | 1001 | 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] | 1002 | { |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1003 | struct msgb *msg = NULL; |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 1004 | struct gprs_rlcmac_ul_tbf *new_tbf = NULL; |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1005 | RlcMacDownlink_t *mac_control_block = NULL; |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 1006 | int rc; |
| 1007 | unsigned int rrbp; |
| 1008 | uint32_t new_poll_fn; |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1009 | |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 1010 | if (poll_state == GPRS_RLCMAC_POLL_SCHED && |
| 1011 | ul_ass_state == GPRS_RLCMAC_UL_ASS_WAIT_ACK) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1012 | LOGPTBFUL(this, LOGL_DEBUG, |
| 1013 | "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] | 1014 | return NULL; |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1015 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 1016 | |
| 1017 | rc = check_polling(fn, ts, &new_poll_fn, &rrbp); |
| 1018 | if (rc < 0) |
| 1019 | return NULL; |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1020 | |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 1021 | if (ms()) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 1022 | new_tbf = ms_ul_tbf(ms()); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1023 | if (!new_tbf) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1024 | LOGPTBFUL(this, LOGL_ERROR, |
| 1025 | "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] | 1026 | ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; |
| 1027 | return NULL; |
| 1028 | } |
| 1029 | |
Vadim Yanitskiy | c82c1f5 | 2020-08-21 19:53:32 +0700 | [diff] [blame] | 1030 | msg = msgb_alloc(GSM_MACBLOCK_LEN, "rlcmac_ul_ass"); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1031 | if (!msg) |
| 1032 | return NULL; |
Vadim Yanitskiy | e4bcd21 | 2020-08-21 19:45:09 +0700 | [diff] [blame] | 1033 | |
| 1034 | /* Initialize a bit vector that uses allocated msgb as the data buffer. |
| 1035 | * Old G++ does not support non-trivial designated initializers. Sigh. */ |
| 1036 | struct bitvec bv = { }; |
| 1037 | bv.data = msgb_put(msg, GSM_MACBLOCK_LEN); |
| 1038 | bv.data_len = GSM_MACBLOCK_LEN; |
| 1039 | bitvec_unhex(&bv, DUMMY_VEC); |
| 1040 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1041 | LOGPTBF(new_tbf, LOGL_INFO, "start Packet Uplink Assignment (PACCH)\n"); |
Vadim Yanitskiy | db56a35 | 2020-08-22 02:05:28 +0700 | [diff] [blame] | 1042 | mac_control_block = (RlcMacDownlink_t *)talloc_zero(tall_pcu_ctx, RlcMacDownlink_t); |
| 1043 | Encoding::write_packet_uplink_assignment(mac_control_block, m_tfi, |
Jacob Erlbeck | 767193e | 2015-05-20 12:06:46 +0200 | [diff] [blame] | 1044 | (direction == GPRS_RLCMAC_DL_TBF), tlli(), |
Pau Espin Pedrol | fe8de45 | 2021-02-09 18:47:34 +0100 | [diff] [blame] | 1045 | 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] | 1046 | the_pcu->vty.gamma, -1, is_egprs_enabled()); |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1047 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1048 | LOGP(DTBF, LOGL_DEBUG, "+++++++++++++++++++++++++ TX : Packet Uplink Assignment +++++++++++++++++++++++++\n"); |
Vadim Yanitskiy | db56a35 | 2020-08-22 02:05:28 +0700 | [diff] [blame] | 1049 | rc = encode_gsm_rlcmac_downlink(&bv, mac_control_block); |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1050 | if (rc < 0) { |
Vadim Yanitskiy | db56a35 | 2020-08-22 02:05:28 +0700 | [diff] [blame] | 1051 | 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] | 1052 | goto free_ret; |
| 1053 | } |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1054 | LOGP(DTBF, LOGL_DEBUG, "------------------------- TX : Packet Uplink Assignment -------------------------\n"); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 1055 | bts_do_rate_ctr_inc(bts, CTR_PKT_UL_ASSIGNMENT); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1056 | |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 1057 | set_polling(new_poll_fn, ts, GPRS_RLCMAC_POLL_UL_ASS); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1058 | |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1059 | talloc_free(mac_control_block); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1060 | return msg; |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1061 | |
| 1062 | free_ret: |
Pau Espin Pedrol | 5e300ce | 2020-02-03 17:18:03 +0100 | [diff] [blame] | 1063 | talloc_free(mac_control_block); |
| 1064 | msgb_free(msg); |
| 1065 | return NULL; |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1066 | } |
| 1067 | |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1068 | int gprs_rlcmac_tbf::establish_dl_tbf_on_pacch() |
| 1069 | { |
| 1070 | struct gprs_rlcmac_dl_tbf *new_tbf = NULL; |
| 1071 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 1072 | bts_do_rate_ctr_inc(bts, CTR_TBF_REUSED); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1073 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 1074 | new_tbf = tbf_alloc_dl_tbf(bts, ms(), |
Pau Espin Pedrol | 322456e | 2020-05-08 18:15:59 +0200 | [diff] [blame] | 1075 | this->trx->trx_no, false); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1076 | |
| 1077 | if (!new_tbf) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1078 | LOGP(DTBF, LOGL_NOTICE, "No PDCH resource\n"); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1079 | return -1; |
| 1080 | } |
| 1081 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1082 | LOGPTBF(this, LOGL_DEBUG, "Trigger downlink assignment on PACCH\n"); |
Max | a10c398 | 2017-07-07 18:25:41 +0200 | [diff] [blame] | 1083 | new_tbf->trigger_ass(this); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1084 | |
| 1085 | return 0; |
| 1086 | } |
| 1087 | |
Pau Espin Pedrol | 57dcde4 | 2021-02-01 18:14:23 +0100 | [diff] [blame] | 1088 | const char *tbf_name(const gprs_rlcmac_tbf *tbf) |
Holger Hans Peter Freyther | bd449f5 | 2013-10-27 16:39:36 +0100 | [diff] [blame] | 1089 | { |
Alexander Couzens | e04fd0c | 2016-05-31 13:18:01 +0200 | [diff] [blame] | 1090 | return tbf ? tbf->name() : "(no TBF)"; |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 1091 | } |
| 1092 | |
| 1093 | const char *gprs_rlcmac_tbf::name() const |
| 1094 | { |
| 1095 | snprintf(m_name_buf, sizeof(m_name_buf) - 1, |
Jacob Erlbeck | 5643f35 | 2015-11-27 16:17:40 +0100 | [diff] [blame] | 1096 | "TBF(TFI=%d TLLI=0x%08x DIR=%s STATE=%s%s)", |
Jacob Erlbeck | 767193e | 2015-05-20 12:06:46 +0200 | [diff] [blame] | 1097 | m_tfi, tlli(), |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 1098 | direction == GPRS_RLCMAC_UL_TBF ? "UL" : "DL", |
Jacob Erlbeck | 5643f35 | 2015-11-27 16:17:40 +0100 | [diff] [blame] | 1099 | state_name(), |
| 1100 | is_egprs_enabled() ? " EGPRS" : "" |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 1101 | ); |
| 1102 | m_name_buf[sizeof(m_name_buf) - 1] = '\0'; |
| 1103 | return m_name_buf; |
Holger Hans Peter Freyther | bd449f5 | 2013-10-27 16:39:36 +0100 | [diff] [blame] | 1104 | } |
Holger Hans Peter Freyther | 758dc12 | 2013-11-06 20:39:45 +0100 | [diff] [blame] | 1105 | |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 1106 | void gprs_rlcmac_tbf::rotate_in_list() |
| 1107 | { |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 1108 | llist_del(tbf_bts_list((struct gprs_rlcmac_tbf *)this)); |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 1109 | if (direction == GPRS_RLCMAC_UL_TBF) |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 1110 | llist_add(tbf_bts_list((struct gprs_rlcmac_tbf *)this), &bts->ul_tbfs); |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 1111 | else |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 1112 | llist_add(tbf_bts_list((struct gprs_rlcmac_tbf *)this), &bts->dl_tbfs); |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 1113 | } |
Holger Hans Peter Freyther | 8f399de | 2013-12-25 20:22:35 +0100 | [diff] [blame] | 1114 | |
| 1115 | uint8_t gprs_rlcmac_tbf::tsc() const |
| 1116 | { |
| 1117 | return trx->pdch[first_ts].tsc; |
| 1118 | } |
Daniel Willmann | afa72f5 | 2014-01-15 17:06:19 +0100 | [diff] [blame] | 1119 | |
Jacob Erlbeck | 617c712 | 2015-06-30 09:18:30 +0200 | [diff] [blame] | 1120 | uint8_t gprs_rlcmac_tbf::dl_slots() const |
| 1121 | { |
| 1122 | uint8_t slots = 0; |
| 1123 | size_t i; |
| 1124 | |
| 1125 | if (direction == GPRS_RLCMAC_UL_TBF) |
| 1126 | return 0; |
| 1127 | |
| 1128 | for (i = 0; i < ARRAY_SIZE(pdch); i += 1) |
| 1129 | if (pdch[i]) |
| 1130 | slots |= 1 << i; |
| 1131 | |
| 1132 | return slots; |
| 1133 | } |
| 1134 | |
| 1135 | uint8_t gprs_rlcmac_tbf::ul_slots() const |
| 1136 | { |
| 1137 | uint8_t slots = 0; |
| 1138 | size_t i; |
| 1139 | |
| 1140 | if (direction == GPRS_RLCMAC_DL_TBF) { |
| 1141 | if (control_ts < 8) |
| 1142 | slots |= 1 << control_ts; |
| 1143 | if (first_common_ts < 8) |
| 1144 | slots |= 1 << first_common_ts; |
| 1145 | |
| 1146 | return slots; |
| 1147 | } |
| 1148 | |
| 1149 | for (i = 0; i < ARRAY_SIZE(pdch); i += 1) |
| 1150 | if (pdch[i]) |
| 1151 | slots |= 1 << i; |
| 1152 | |
| 1153 | return slots; |
| 1154 | } |
Jacob Erlbeck | 646da1b | 2016-01-22 17:41:33 +0100 | [diff] [blame] | 1155 | |
| 1156 | bool gprs_rlcmac_tbf::is_control_ts(uint8_t ts) const |
| 1157 | { |
| 1158 | return ts == control_ts; |
| 1159 | } |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 1160 | |
| 1161 | /* C API */ |
| 1162 | enum gprs_rlcmac_tbf_state tbf_state(const struct gprs_rlcmac_tbf *tbf) |
| 1163 | { |
| 1164 | return tbf->state; |
| 1165 | } |
| 1166 | |
| 1167 | enum gprs_rlcmac_tbf_direction tbf_direction(const struct gprs_rlcmac_tbf *tbf) |
| 1168 | { |
| 1169 | return tbf->direction; |
| 1170 | } |
| 1171 | |
| 1172 | void tbf_set_ms(struct gprs_rlcmac_tbf *tbf, GprsMs *ms) |
| 1173 | { |
| 1174 | tbf->set_ms(ms); |
| 1175 | } |
| 1176 | |
| 1177 | struct llist_head *tbf_ms_list(struct gprs_rlcmac_tbf *tbf) |
| 1178 | { |
| 1179 | return &tbf->m_ms_list.list; |
| 1180 | } |
| 1181 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 1182 | struct llist_head *tbf_bts_list(struct gprs_rlcmac_tbf *tbf) |
| 1183 | { |
| 1184 | return &tbf->m_bts_list.list; |
| 1185 | } |
| 1186 | |
Pau Espin Pedrol | 1e77ca8 | 2021-01-27 13:22:03 +0100 | [diff] [blame] | 1187 | struct GprsMs *tbf_ms(const struct gprs_rlcmac_tbf *tbf) |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 1188 | { |
| 1189 | return tbf->ms(); |
| 1190 | } |
| 1191 | |
| 1192 | bool tbf_timers_pending(struct gprs_rlcmac_tbf *tbf, enum tbf_timers t) |
| 1193 | { |
| 1194 | return tbf->timers_pending(t); |
| 1195 | } |
| 1196 | |
| 1197 | struct gprs_llc *tbf_llc(struct gprs_rlcmac_tbf *tbf) |
| 1198 | { |
| 1199 | return &tbf->m_llc; |
| 1200 | } |
| 1201 | |
| 1202 | uint8_t tbf_first_common_ts(const struct gprs_rlcmac_tbf *tbf) |
| 1203 | { |
| 1204 | return tbf->first_common_ts; |
| 1205 | } |
| 1206 | |
| 1207 | uint8_t tbf_dl_slots(const struct gprs_rlcmac_tbf *tbf) |
| 1208 | { |
| 1209 | return tbf->dl_slots(); |
| 1210 | } |
| 1211 | uint8_t tbf_ul_slots(const struct gprs_rlcmac_tbf *tbf) |
| 1212 | { |
| 1213 | return tbf->ul_slots(); |
| 1214 | } |
| 1215 | |
| 1216 | bool tbf_is_tfi_assigned(const struct gprs_rlcmac_tbf *tbf) |
| 1217 | { |
| 1218 | return tbf->is_tfi_assigned(); |
| 1219 | } |
Pau Espin Pedrol | c0a250d | 2021-01-21 18:46:13 +0100 | [diff] [blame] | 1220 | |
| 1221 | uint8_t tbf_tfi(const struct gprs_rlcmac_tbf *tbf) |
| 1222 | { |
| 1223 | return tbf->tfi(); |
| 1224 | } |
Pau Espin Pedrol | 952cb3d | 2021-02-01 14:52:48 +0100 | [diff] [blame] | 1225 | |
| 1226 | int tbf_check_polling(const struct gprs_rlcmac_tbf *tbf, uint32_t fn, uint8_t ts, uint32_t *poll_fn, unsigned int *rrbp) |
| 1227 | { |
| 1228 | return tbf->check_polling(fn, ts, poll_fn, rrbp); |
| 1229 | } |
| 1230 | |
| 1231 | void tbf_set_polling(struct gprs_rlcmac_tbf *tbf, uint32_t new_poll_fn, uint8_t ts, enum gprs_rlcmac_tbf_poll_type t) |
| 1232 | { |
| 1233 | return tbf->set_polling(new_poll_fn, ts, t); |
| 1234 | } |
Pau Espin Pedrol | 99360a3 | 2021-03-09 17:18:12 +0100 | [diff] [blame] | 1235 | |
| 1236 | void tbf_poll_timeout(struct gprs_rlcmac_tbf *tbf) |
| 1237 | { |
| 1238 | tbf->poll_timeout(); |
| 1239 | } |