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 | |
Holger Hans Peter Freyther | 67ed34e | 2013-10-17 17:01:54 +0200 | [diff] [blame] | 22 | #include <bts.h> |
Holger Hans Peter Freyther | 17c31ce | 2013-08-24 18:31:27 +0200 | [diff] [blame] | 23 | #include <tbf.h> |
Holger Hans Peter Freyther | d11290b | 2013-10-26 17:32:04 +0200 | [diff] [blame] | 24 | #include <rlc.h> |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 25 | #include <encoding.h> |
Holger Hans Peter Freyther | 17c31ce | 2013-08-24 18:31:27 +0200 | [diff] [blame] | 26 | #include <gprs_rlcmac.h> |
| 27 | #include <gprs_debug.h> |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 28 | #include <gprs_ms.h> |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 29 | #include <pcu_utils.h> |
Max | 1187a77 | 2018-01-26 13:31:42 +0100 | [diff] [blame] | 30 | #include <gprs_ms_storage.h> |
| 31 | #include <gsm_rlcmac.h> |
| 32 | #include <sba.h> |
| 33 | #include <gprs_coding_scheme.h> |
| 34 | #include <gsm_timer.h> |
Max | 6dc90b8 | 2018-02-19 17:17:28 +0100 | [diff] [blame] | 35 | #include <pdch.h> |
Holger Hans Peter Freyther | 17c31ce | 2013-08-24 18:31:27 +0200 | [diff] [blame] | 36 | |
| 37 | extern "C" { |
| 38 | #include <osmocom/core/msgb.h> |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 39 | #include <osmocom/core/utils.h> |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 40 | #include <osmocom/core/talloc.h> |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 41 | #include <osmocom/core/stats.h> |
Max | 467f633 | 2017-12-20 18:13:29 +0100 | [diff] [blame] | 42 | #include <osmocom/core/logging.h> |
Stefan Sperling | f0f7df1 | 2018-05-25 15:12:30 +0200 | [diff] [blame] | 43 | #include <osmocom/core/timer_compat.h> |
Max | 1187a77 | 2018-01-26 13:31:42 +0100 | [diff] [blame] | 44 | #include <osmocom/core/bitvec.h> |
| 45 | #include <osmocom/core/rate_ctr.h> |
| 46 | #include <osmocom/gsm/protocol/gsm_04_08.h> |
Holger Hans Peter Freyther | 17c31ce | 2013-08-24 18:31:27 +0200 | [diff] [blame] | 47 | } |
| 48 | |
| 49 | #include <errno.h> |
| 50 | #include <string.h> |
| 51 | |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 52 | extern void *tall_pcu_ctx; |
| 53 | |
Pau Espin Pedrol | 0926901 | 2018-07-10 15:44:47 +0200 | [diff] [blame] | 54 | static unsigned int next_tbf_ctr_group_id = 0; /* Incrementing group id */ |
| 55 | |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 56 | static void tbf_timer_cb(void *_tbf); |
| 57 | |
Max | cac6b66 | 2018-01-24 11:00:17 +0100 | [diff] [blame] | 58 | const struct value_string gprs_rlcmac_tbf_poll_state_names[] = { |
| 59 | OSMO_VALUE_STRING(GPRS_RLCMAC_POLL_NONE), |
| 60 | OSMO_VALUE_STRING(GPRS_RLCMAC_POLL_SCHED), /* a polling was scheduled */ |
| 61 | { 0, NULL } |
| 62 | }; |
| 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), |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 95 | OSMO_VALUE_STRING(T3169), |
| 96 | OSMO_VALUE_STRING(T3191), |
| 97 | OSMO_VALUE_STRING(T3193), |
| 98 | OSMO_VALUE_STRING(T3195), |
| 99 | { 0, NULL } |
| 100 | }; |
| 101 | |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 102 | static const struct rate_ctr_desc tbf_ctr_description[] = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 103 | { "rlc:nacked", "RLC Nacked " }, |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 104 | }; |
| 105 | |
| 106 | static const struct rate_ctr_desc tbf_dl_gprs_ctr_description[] = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 107 | { "gprs:downlink:cs1", "CS1 " }, |
| 108 | { "gprs:downlink:cs2", "CS2 " }, |
| 109 | { "gprs:downlink:cs3", "CS3 " }, |
| 110 | { "gprs:downlink:cs4", "CS4 " }, |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 111 | }; |
| 112 | |
| 113 | static const struct rate_ctr_desc tbf_dl_egprs_ctr_description[] = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 114 | { "egprs:downlink:mcs1", "MCS1 " }, |
| 115 | { "egprs:downlink:mcs2", "MCS2 " }, |
| 116 | { "egprs:downlink:mcs3", "MCS3 " }, |
| 117 | { "egprs:downlink:mcs4", "MCS4 " }, |
| 118 | { "egprs:downlink:mcs5", "MCS5 " }, |
| 119 | { "egprs:downlink:mcs6", "MCS6 " }, |
| 120 | { "egprs:downlink:mcs7", "MCS7 " }, |
| 121 | { "egprs:downlink:mcs8", "MCS8 " }, |
| 122 | { "egprs:downlink:mcs9", "MCS9 " }, |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 123 | }; |
| 124 | |
sivasankari | da7250a | 2016-12-16 12:57:18 +0530 | [diff] [blame] | 125 | static const struct rate_ctr_desc tbf_ul_gprs_ctr_description[] = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 126 | { "gprs:uplink:cs1", "CS1 " }, |
| 127 | { "gprs:uplink:cs2", "CS2 " }, |
| 128 | { "gprs:uplink:cs3", "CS3 " }, |
| 129 | { "gprs:uplink:cs4", "CS4 " }, |
sivasankari | da7250a | 2016-12-16 12:57:18 +0530 | [diff] [blame] | 130 | }; |
| 131 | |
| 132 | static const struct rate_ctr_desc tbf_ul_egprs_ctr_description[] = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 133 | { "egprs:uplink:mcs1", "MCS1 " }, |
| 134 | { "egprs:uplink:mcs2", "MCS2 " }, |
| 135 | { "egprs:uplink:mcs3", "MCS3 " }, |
| 136 | { "egprs:uplink:mcs4", "MCS4 " }, |
| 137 | { "egprs:uplink:mcs5", "MCS5 " }, |
| 138 | { "egprs:uplink:mcs6", "MCS6 " }, |
| 139 | { "egprs:uplink:mcs7", "MCS7 " }, |
| 140 | { "egprs:uplink:mcs8", "MCS8 " }, |
| 141 | { "egprs:uplink:mcs9", "MCS9 " }, |
sivasankari | da7250a | 2016-12-16 12:57:18 +0530 | [diff] [blame] | 142 | }; |
| 143 | |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 144 | static const struct rate_ctr_group_desc tbf_ctrg_desc = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 145 | "pcu:tbf", |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 146 | "TBF Statistics", |
| 147 | OSMO_STATS_CLASS_SUBSCRIBER, |
| 148 | ARRAY_SIZE(tbf_ctr_description), |
| 149 | tbf_ctr_description, |
| 150 | }; |
| 151 | |
| 152 | static const struct rate_ctr_group_desc tbf_dl_gprs_ctrg_desc = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 153 | "tbf:gprs", |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 154 | "Data Blocks", |
| 155 | OSMO_STATS_CLASS_SUBSCRIBER, |
| 156 | ARRAY_SIZE(tbf_dl_gprs_ctr_description), |
| 157 | tbf_dl_gprs_ctr_description, |
| 158 | }; |
| 159 | |
| 160 | static const struct rate_ctr_group_desc tbf_dl_egprs_ctrg_desc = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 161 | "tbf:egprs", |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 162 | "Data Blocks", |
| 163 | OSMO_STATS_CLASS_SUBSCRIBER, |
| 164 | ARRAY_SIZE(tbf_dl_egprs_ctr_description), |
| 165 | tbf_dl_egprs_ctr_description, |
| 166 | }; |
| 167 | |
sivasankari | da7250a | 2016-12-16 12:57:18 +0530 | [diff] [blame] | 168 | static const struct rate_ctr_group_desc tbf_ul_gprs_ctrg_desc = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 169 | "tbf:gprs", |
sivasankari | da7250a | 2016-12-16 12:57:18 +0530 | [diff] [blame] | 170 | "Data Blocks", |
| 171 | OSMO_STATS_CLASS_SUBSCRIBER, |
| 172 | ARRAY_SIZE(tbf_ul_gprs_ctr_description), |
| 173 | tbf_ul_gprs_ctr_description, |
| 174 | }; |
| 175 | |
| 176 | static const struct rate_ctr_group_desc tbf_ul_egprs_ctrg_desc = { |
Pau Espin Pedrol | 218ee98 | 2018-07-10 15:16:49 +0200 | [diff] [blame] | 177 | "tbf:egprs", |
sivasankari | da7250a | 2016-12-16 12:57:18 +0530 | [diff] [blame] | 178 | "Data Blocks", |
| 179 | OSMO_STATS_CLASS_SUBSCRIBER, |
| 180 | ARRAY_SIZE(tbf_ul_egprs_ctr_description), |
| 181 | tbf_ul_egprs_ctr_description, |
| 182 | }; |
| 183 | |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 184 | gprs_rlcmac_tbf::Meas::Meas() : |
| 185 | rssi_sum(0), |
| 186 | rssi_num(0) |
| 187 | { |
Stefan Sperling | f0f7df1 | 2018-05-25 15:12:30 +0200 | [diff] [blame] | 188 | timespecclear(&rssi_tv); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | gprs_rlcmac_tbf::gprs_rlcmac_tbf(BTS *bts_, gprs_rlcmac_tbf_direction dir) : |
| 192 | state_flags(0), |
Jacob Erlbeck | 6835cea | 2015-08-21 15:24:02 +0200 | [diff] [blame] | 193 | direction(dir), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 194 | trx(NULL), |
| 195 | first_ts(0), |
| 196 | first_common_ts(0), |
| 197 | control_ts(0xff), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 198 | poll_fn(0), |
Jacob Erlbeck | 8eb1714 | 2016-01-22 17:58:17 +0100 | [diff] [blame] | 199 | poll_ts(0), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 200 | fT(0), |
| 201 | num_fT_exp(0), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 202 | was_releasing(0), |
| 203 | upgrade_to_multislot(0), |
| 204 | bts(bts_), |
| 205 | m_tfi(0), |
| 206 | m_created_ts(0), |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 207 | m_ctrs(NULL), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 208 | m_ms(NULL), |
Max | 9bbe160 | 2016-07-18 12:50:18 +0200 | [diff] [blame] | 209 | m_ta(GSM48_TA_INVALID), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 210 | m_ms_class(0), |
Max | 5081806 | 2017-12-06 13:35:08 +0100 | [diff] [blame] | 211 | state(GPRS_RLCMAC_NULL), |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 212 | dl_ass_state(GPRS_RLCMAC_DL_ASS_NONE), |
| 213 | ul_ass_state(GPRS_RLCMAC_UL_ASS_NONE), |
Max | 088c7df | 2018-01-23 20:16:23 +0100 | [diff] [blame] | 214 | ul_ack_state(GPRS_RLCMAC_UL_ACK_NONE), |
Max | cac6b66 | 2018-01-24 11:00:17 +0100 | [diff] [blame] | 215 | poll_state(GPRS_RLCMAC_POLL_NONE), |
Jacob Erlbeck | ed2dbf6 | 2015-12-28 19:15:40 +0100 | [diff] [blame] | 216 | m_list(this), |
Jacob Erlbeck | 5643f35 | 2015-11-27 16:17:40 +0100 | [diff] [blame] | 217 | m_ms_list(this), |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 218 | m_egprs_enabled(false) |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 219 | { |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 220 | /* The classes of these members do not have proper constructors yet. |
| 221 | * Just set them to 0 like talloc_zero did */ |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 222 | memset(&pdch, 0, sizeof(pdch)); |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 223 | memset(&T, 0, sizeof(T)); |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 224 | memset(&N, 0, sizeof(N)); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 225 | memset(&gsm_timer, 0, sizeof(gsm_timer)); |
| 226 | |
Pau Espin Pedrol | 0b0748a | 2018-05-16 15:20:39 +0200 | [diff] [blame] | 227 | m_rlc.init(); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 228 | m_llc.init(); |
| 229 | |
| 230 | m_name_buf[0] = '\0'; |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 231 | } |
| 232 | |
Daniel Willmann | ca102af | 2014-08-08 12:14:12 +0200 | [diff] [blame] | 233 | gprs_rlcmac_bts *gprs_rlcmac_tbf::bts_data() const |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 234 | { |
| 235 | return bts->bts_data(); |
| 236 | } |
| 237 | |
Jacob Erlbeck | 8759735 | 2015-05-18 11:56:50 +0200 | [diff] [blame] | 238 | uint32_t gprs_rlcmac_tbf::tlli() const |
| 239 | { |
Jacob Erlbeck | 767193e | 2015-05-20 12:06:46 +0200 | [diff] [blame] | 240 | return m_ms ? m_ms->tlli() : 0; |
Jacob Erlbeck | 8759735 | 2015-05-18 11:56:50 +0200 | [diff] [blame] | 241 | } |
| 242 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 243 | const char *gprs_rlcmac_tbf::imsi() const |
Holger Hans Peter Freyther | d868928 | 2013-08-24 20:51:06 +0200 | [diff] [blame] | 244 | { |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 245 | static const char nullc = 0; |
| 246 | return m_ms ? m_ms->imsi() : &nullc; |
| 247 | } |
| 248 | |
| 249 | void gprs_rlcmac_tbf::assign_imsi(const char *imsi_) |
| 250 | { |
| 251 | GprsMs *old_ms; |
| 252 | |
| 253 | if (!imsi_ || !m_ms) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 254 | LOGPTBF(this, LOGL_ERROR, |
| 255 | "failed to assign IMSI: missing IMSI or MS object\n"); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 256 | return; |
| 257 | } |
| 258 | |
| 259 | if (strcmp(imsi_, imsi()) == 0) |
| 260 | return; |
| 261 | |
| 262 | /* really change the IMSI */ |
| 263 | |
| 264 | old_ms = bts->ms_store().get_ms(0, 0, imsi_); |
| 265 | if (old_ms) { |
| 266 | /* We cannot find m_ms by IMSI since we know that it has a |
| 267 | * different IMSI */ |
| 268 | OSMO_ASSERT(old_ms != m_ms); |
| 269 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 270 | LOGPTBF(this, LOGL_INFO, |
| 271 | "IMSI '%s' was already assigned to another " |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 272 | "MS object: TLLI = 0x%08x, that IMSI will be removed\n", |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 273 | imsi_, old_ms->tlli()); |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 274 | |
| 275 | merge_and_clear_ms(old_ms); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 276 | } |
| 277 | |
| 278 | m_ms->set_imsi(imsi_); |
Holger Hans Peter Freyther | d868928 | 2013-08-24 20:51:06 +0200 | [diff] [blame] | 279 | } |
| 280 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 281 | uint8_t gprs_rlcmac_tbf::ta() const |
| 282 | { |
| 283 | return m_ms ? m_ms->ta() : m_ta; |
| 284 | } |
| 285 | |
| 286 | void gprs_rlcmac_tbf::set_ta(uint8_t ta) |
| 287 | { |
| 288 | if (ms()) |
| 289 | ms()->set_ta(ta); |
| 290 | |
Max | 9bbe160 | 2016-07-18 12:50:18 +0200 | [diff] [blame] | 291 | if (gsm48_ta_is_valid(ta)) |
| 292 | m_ta = ta; |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 293 | } |
| 294 | |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 295 | uint8_t gprs_rlcmac_tbf::ms_class() const |
| 296 | { |
| 297 | return m_ms ? m_ms->ms_class() : m_ms_class; |
| 298 | } |
| 299 | |
| 300 | void gprs_rlcmac_tbf::set_ms_class(uint8_t ms_class_) |
| 301 | { |
| 302 | if (ms()) |
| 303 | ms()->set_ms_class(ms_class_); |
| 304 | |
| 305 | m_ms_class = ms_class_; |
| 306 | } |
| 307 | |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 308 | GprsCodingScheme gprs_rlcmac_tbf::current_cs() const |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 309 | { |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 310 | GprsCodingScheme cs; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 311 | if (direction == GPRS_RLCMAC_UL_TBF) |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 312 | cs = m_ms ? m_ms->current_cs_ul() : GprsCodingScheme(); |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 313 | else |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 314 | cs = m_ms ? m_ms->current_cs_dl() : GprsCodingScheme(); |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 315 | |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 316 | return cs; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 317 | } |
| 318 | |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 319 | gprs_llc_queue *gprs_rlcmac_tbf::llc_queue() |
| 320 | { |
| 321 | return m_ms ? m_ms->llc_queue() : NULL; |
| 322 | } |
| 323 | |
| 324 | const gprs_llc_queue *gprs_rlcmac_tbf::llc_queue() const |
| 325 | { |
| 326 | return m_ms ? m_ms->llc_queue() : NULL; |
| 327 | } |
| 328 | |
Max | 869c0c2 | 2018-01-03 12:00:36 +0100 | [diff] [blame] | 329 | size_t gprs_rlcmac_tbf::llc_queue_size() const |
Alexander Couzens | d38b92e | 2016-08-21 19:38:30 +0200 | [diff] [blame] | 330 | { |
| 331 | /* m_ms->llc_queue() never returns NULL: GprsMs::m_llc_queue is a |
| 332 | * member instance. */ |
| 333 | return m_ms ? m_ms->llc_queue()->size() : 0; |
| 334 | } |
| 335 | |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 336 | void gprs_rlcmac_tbf::set_ms(GprsMs *ms) |
| 337 | { |
| 338 | if (m_ms == ms) |
| 339 | return; |
| 340 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 341 | if (m_ms) { |
| 342 | /* Save the TA locally. This will also be called, if the MS |
| 343 | * object detaches itself from the TBF, for instance if |
| 344 | * attach_tbf() is called */ |
| 345 | m_ta = m_ms->ta(); |
| 346 | |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 347 | m_ms->detach_tbf(this); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 348 | } |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 349 | |
| 350 | m_ms = ms; |
| 351 | |
| 352 | if (m_ms) |
| 353 | m_ms->attach_tbf(this); |
| 354 | } |
| 355 | |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 356 | void gprs_rlcmac_tbf::merge_and_clear_ms(GprsMs *old_ms) |
| 357 | { |
| 358 | if (old_ms == ms()) |
| 359 | return; |
| 360 | |
| 361 | GprsMs::Guard guard_old(old_ms); |
| 362 | |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 363 | /* Clean up the old MS object */ |
| 364 | /* TODO: Use timer? */ |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 365 | if (old_ms->ul_tbf() && !old_ms->ul_tbf()->timers_pending(T_MAX)) { |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 366 | if (old_ms->ul_tbf() == this) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 367 | LOGPTBF(this, LOGL_ERROR, |
| 368 | "is referred by the old MS and will not be deleted\n"); |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 369 | set_ms(NULL); |
| 370 | } else { |
| 371 | tbf_free(old_ms->ul_tbf()); |
| 372 | } |
| 373 | } |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 374 | if (old_ms->dl_tbf() && !old_ms->dl_tbf()->timers_pending(T_MAX)) { |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 375 | if (old_ms->dl_tbf() == this) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 376 | LOGPTBF(this, LOGL_ERROR, |
| 377 | "is referred by the old MS and will not be deleted\n"); |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 378 | set_ms(NULL); |
| 379 | } else { |
| 380 | tbf_free(old_ms->dl_tbf()); |
| 381 | } |
| 382 | } |
| 383 | |
Jacob Erlbeck | 2b349b5 | 2015-08-18 11:55:03 +0200 | [diff] [blame] | 384 | ms()->merge_old_ms(old_ms); |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 385 | } |
| 386 | |
Jacob Erlbeck | be0cbc1 | 2015-05-18 14:35:11 +0200 | [diff] [blame] | 387 | 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] | 388 | { |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 389 | if (!ms()) |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 390 | return; |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 391 | |
| 392 | if (!tlli) |
| 393 | return; |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 394 | |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 395 | /* TODO: When the TLLI does not match the ms, check if there is another |
| 396 | * MS object that belongs to that TLLI and if yes make sure one of them |
| 397 | * gets deleted. This is the same problem that can arise with |
| 398 | * assign_imsi() so there should be a unified solution */ |
| 399 | if (!ms()->check_tlli(tlli)) { |
| 400 | GprsMs *old_ms; |
| 401 | |
| 402 | old_ms = bts->ms_store().get_ms(tlli, 0, NULL); |
| 403 | if (old_ms) |
| 404 | merge_and_clear_ms(old_ms); |
| 405 | } |
| 406 | |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 407 | if (dir == GPRS_RLCMAC_UL_TBF) |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 408 | ms()->set_tlli(tlli); |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 409 | else |
| 410 | ms()->confirm_tlli(tlli); |
Daniel Willmann | e481815 | 2014-08-15 16:52:09 +0200 | [diff] [blame] | 411 | } |
| 412 | |
Daniel Willmann | 0d12a2f | 2014-07-10 17:44:07 +0200 | [diff] [blame] | 413 | gprs_rlcmac_ul_tbf *tbf_alloc_ul(struct gprs_rlcmac_bts *bts, |
Jacob Erlbeck | 86b6f05 | 2015-11-27 15:17:34 +0100 | [diff] [blame] | 414 | int8_t use_trx, uint8_t ms_class, uint8_t egprs_ms_class, |
Jacob Erlbeck | e2e004e | 2015-06-18 17:16:26 +0200 | [diff] [blame] | 415 | uint32_t tlli, uint8_t ta, GprsMs *ms) |
Holger Hans Peter Freyther | 8692128 | 2013-08-24 21:26:42 +0200 | [diff] [blame] | 416 | { |
Daniel Willmann | 0d12a2f | 2014-07-10 17:44:07 +0200 | [diff] [blame] | 417 | struct gprs_rlcmac_ul_tbf *tbf; |
Holger Hans Peter Freyther | 8692128 | 2013-08-24 21:26:42 +0200 | [diff] [blame] | 418 | |
Max | 5a6bcfb | 2017-09-01 14:36:44 +0200 | [diff] [blame] | 419 | /* FIXME: Copy and paste with tbf_new_dl_assignment */ |
Holger Hans Peter Freyther | ba26368 | 2013-12-25 19:15:57 +0100 | [diff] [blame] | 420 | /* create new TBF, use same TRX as DL TBF */ |
Holger Hans Peter Freyther | 8692128 | 2013-08-24 21:26:42 +0200 | [diff] [blame] | 421 | /* use multislot class of downlink TBF */ |
Max | 92b7a50 | 2018-01-26 11:01:35 +0100 | [diff] [blame] | 422 | tbf = tbf_alloc_ul_tbf(bts, ms, use_trx, ms_class, egprs_ms_class, |
| 423 | false); |
Holger Hans Peter Freyther | 8692128 | 2013-08-24 21:26:42 +0200 | [diff] [blame] | 424 | if (!tbf) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 425 | LOGP(DTBF, LOGL_NOTICE, "No PDCH resource\n"); |
Holger Hans Peter Freyther | 8692128 | 2013-08-24 21:26:42 +0200 | [diff] [blame] | 426 | /* FIXME: send reject */ |
| 427 | return NULL; |
| 428 | } |
Daniel Willmann | 7e994e3 | 2014-08-07 15:49:21 +0200 | [diff] [blame] | 429 | tbf->m_contention_resolution_done = 1; |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 430 | TBF_SET_ASS_ON(tbf, GPRS_RLCMAC_FLAG_PACCH, false); |
Max | 467f633 | 2017-12-20 18:13:29 +0100 | [diff] [blame] | 431 | T_START(tbf, T3169, bts->t3169, 0, "allocation (UL-TBF)", true); |
Jacob Erlbeck | be0cbc1 | 2015-05-18 14:35:11 +0200 | [diff] [blame] | 432 | tbf->update_ms(tlli, GPRS_RLCMAC_UL_TBF); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 433 | OSMO_ASSERT(tbf->ms()); |
| 434 | |
| 435 | tbf->ms()->set_ta(ta); |
Holger Hans Peter Freyther | 8692128 | 2013-08-24 21:26:42 +0200 | [diff] [blame] | 436 | |
| 437 | return tbf; |
| 438 | } |
Holger Hans Peter Freyther | 964ddb6 | 2013-10-16 17:53:23 +0200 | [diff] [blame] | 439 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 440 | static void tbf_unlink_pdch(struct gprs_rlcmac_tbf *tbf) |
| 441 | { |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 442 | int ts; |
| 443 | |
Jacob Erlbeck | ccc34e4 | 2015-06-29 13:45:05 +0200 | [diff] [blame] | 444 | for (ts = 0; ts < 8; ts++) { |
| 445 | if (!tbf->pdch[ts]) |
| 446 | continue; |
| 447 | |
| 448 | tbf->pdch[ts]->detach_tbf(tbf); |
| 449 | tbf->pdch[ts] = NULL; |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 450 | } |
| 451 | } |
| 452 | |
| 453 | void tbf_free(struct gprs_rlcmac_tbf *tbf) |
| 454 | { |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 455 | /* update counters */ |
| 456 | if (tbf->direction == GPRS_RLCMAC_UL_TBF) { |
sivasankari | da7250a | 2016-12-16 12:57:18 +0530 | [diff] [blame] | 457 | gprs_rlcmac_ul_tbf *ul_tbf = as_ul_tbf(tbf); |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 458 | tbf->bts->tbf_ul_freed(); |
| 459 | if (tbf->state_is(GPRS_RLCMAC_FLOW)) |
| 460 | tbf->bts->tbf_ul_aborted(); |
sivasankari | da7250a | 2016-12-16 12:57:18 +0530 | [diff] [blame] | 461 | rate_ctr_group_free(ul_tbf->m_ul_egprs_ctrs); |
| 462 | rate_ctr_group_free(ul_tbf->m_ul_gprs_ctrs); |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 463 | } else { |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 464 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(tbf); |
| 465 | if (tbf->is_egprs_enabled()) { |
| 466 | rate_ctr_group_free(dl_tbf->m_dl_egprs_ctrs); |
| 467 | } else { |
| 468 | rate_ctr_group_free(dl_tbf->m_dl_gprs_ctrs); |
| 469 | } |
Jacob Erlbeck | 0316dc6 | 2016-01-21 20:12:04 +0100 | [diff] [blame] | 470 | tbf->bts->tbf_dl_freed(); |
| 471 | if (tbf->state_is(GPRS_RLCMAC_FLOW)) |
| 472 | tbf->bts->tbf_dl_aborted(); |
| 473 | } |
| 474 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 475 | /* Give final measurement report */ |
| 476 | gprs_rlcmac_rssi_rep(tbf); |
Daniel Willmann | 418a423 | 2014-08-08 11:21:04 +0200 | [diff] [blame] | 477 | if (tbf->direction == GPRS_RLCMAC_DL_TBF) { |
Jacob Erlbeck | aa9daa1 | 2015-12-28 18:49:12 +0100 | [diff] [blame] | 478 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(tbf); |
Jacob Erlbeck | f04a5b3 | 2016-01-21 20:42:40 +0100 | [diff] [blame] | 479 | |
| 480 | dl_tbf->abort(); |
Jacob Erlbeck | d0261b7 | 2015-04-02 13:58:09 +0200 | [diff] [blame] | 481 | dl_tbf->cleanup(); |
Daniel Willmann | 418a423 | 2014-08-08 11:21:04 +0200 | [diff] [blame] | 482 | } |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 483 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 484 | LOGPTBF(tbf, LOGL_INFO, "free\n"); |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 485 | tbf->check_pending_ass(); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 486 | tbf->stop_timers("freeing TBF"); |
Max | 5a6bcfb | 2017-09-01 14:36:44 +0200 | [diff] [blame] | 487 | /* TODO: Could/Should generate bssgp_tx_llc_discarded */ |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 488 | tbf_unlink_pdch(tbf); |
Jacob Erlbeck | ed2dbf6 | 2015-12-28 19:15:40 +0100 | [diff] [blame] | 489 | llist_del(&tbf->list()); |
Holger Hans Peter Freyther | 1587764 | 2013-10-27 09:50:15 +0100 | [diff] [blame] | 490 | |
Jacob Erlbeck | fecece0 | 2015-05-08 12:13:08 +0200 | [diff] [blame] | 491 | if (tbf->ms()) |
| 492 | tbf->set_ms(NULL); |
| 493 | |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 494 | rate_ctr_group_free(tbf->m_ctrs); |
| 495 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 496 | LOGP(DTBF, LOGL_DEBUG, "********** %s-TBF ends here **********\n", |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 497 | (tbf->direction != GPRS_RLCMAC_UL_TBF) ? "DL" : "UL"); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 498 | talloc_free(tbf); |
| 499 | } |
| 500 | |
Max | 9d7357e | 2017-12-14 15:02:33 +0100 | [diff] [blame] | 501 | uint16_t egprs_window_size(const struct gprs_rlcmac_bts *bts_data, uint8_t slots) |
| 502 | { |
| 503 | uint8_t num_pdch = pcu_bitcount(slots); |
| 504 | |
| 505 | return OSMO_MIN((num_pdch != 1) ? (128 * num_pdch) : 192, |
| 506 | OSMO_MAX(64, (bts_data->ws_base + num_pdch * bts_data->ws_pdch) / 32 * 32)); |
| 507 | } |
| 508 | |
Jacob Erlbeck | e0c734d | 2015-07-03 14:03:33 +0200 | [diff] [blame] | 509 | int gprs_rlcmac_tbf::update() |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 510 | { |
Holger Hans Peter Freyther | aa9c326 | 2013-10-26 17:49:36 +0200 | [diff] [blame] | 511 | struct gprs_rlcmac_bts *bts_data = bts->bts_data(); |
Jacob Erlbeck | e0c734d | 2015-07-03 14:03:33 +0200 | [diff] [blame] | 512 | int rc; |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 513 | |
Holger Hans Peter Freyther | aa9c326 | 2013-10-26 17:49:36 +0200 | [diff] [blame] | 514 | if (direction != GPRS_RLCMAC_DL_TBF) |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 515 | return -EINVAL; |
| 516 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 517 | LOGP(DTBF, LOGL_DEBUG, "********** DL-TBF update **********\n"); |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 518 | |
Holger Hans Peter Freyther | aa9c326 | 2013-10-26 17:49:36 +0200 | [diff] [blame] | 519 | tbf_unlink_pdch(this); |
Max | e9fe0e3 | 2017-09-28 15:56:05 +0200 | [diff] [blame] | 520 | rc = bts_data->alloc_algorithm(bts_data, ms(), this, false, -1); |
Holger Hans Peter Freyther | 90b87ea | 2013-10-27 10:38:31 +0100 | [diff] [blame] | 521 | /* if no resource */ |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 522 | if (rc < 0) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 523 | LOGPTBF(this, LOGL_ERROR, "No resource after update???\n"); |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 524 | return -rc; |
| 525 | } |
| 526 | |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 527 | if (is_egprs_enabled()) { |
| 528 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
| 529 | if (dl_tbf) |
Max | 9d7357e | 2017-12-14 15:02:33 +0100 | [diff] [blame] | 530 | dl_tbf->set_window_size(); |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 531 | } |
| 532 | |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 533 | return 0; |
| 534 | } |
| 535 | |
| 536 | int tbf_assign_control_ts(struct gprs_rlcmac_tbf *tbf) |
| 537 | { |
| 538 | if (tbf->control_ts == 0xff) |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 539 | LOGPTBF(tbf, LOGL_INFO, "Setting Control TS %d\n", |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 540 | tbf->first_common_ts); |
| 541 | else if (tbf->control_ts != tbf->first_common_ts) |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 542 | LOGPTBF(tbf, LOGL_INFO, "Changing Control TS %d\n", |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 543 | tbf->first_common_ts); |
| 544 | tbf->control_ts = tbf->first_common_ts; |
| 545 | |
| 546 | return 0; |
| 547 | } |
| 548 | |
Daniel Willmann | eb10024 | 2014-08-08 11:43:53 +0200 | [diff] [blame] | 549 | const char *gprs_rlcmac_tbf::tbf_state_name[] = { |
Holger Hans Peter Freyther | 4556130 | 2013-10-16 17:55:57 +0200 | [diff] [blame] | 550 | "NULL", |
| 551 | "ASSIGN", |
| 552 | "FLOW", |
| 553 | "FINISHED", |
| 554 | "WAIT RELEASE", |
| 555 | "RELEASING", |
| 556 | }; |
| 557 | |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 558 | void gprs_rlcmac_tbf::n_reset(enum tbf_counters n) |
| 559 | { |
| 560 | if (n >= N_MAX) { |
| 561 | LOGPTBF(this, LOGL_ERROR, "attempting to reset unknown counter %s\n", |
| 562 | get_value_string(tbf_counters_names, n)); |
| 563 | return; |
| 564 | } |
| 565 | |
| 566 | N[n] = 0; |
| 567 | } |
| 568 | |
| 569 | /* Increment counter and check for MAX value (return true if we hit it) */ |
| 570 | bool gprs_rlcmac_tbf::n_inc(enum tbf_counters n) |
| 571 | { |
| 572 | uint8_t chk; |
| 573 | |
| 574 | if (n >= N_MAX) { |
| 575 | LOGPTBF(this, LOGL_ERROR, "attempting to increment unknown counter %s\n", |
| 576 | get_value_string(tbf_counters_names, n)); |
| 577 | return true; |
| 578 | } |
| 579 | |
| 580 | N[n]++; |
| 581 | |
| 582 | switch(n) { |
| 583 | case N3101: |
| 584 | chk = bts->bts_data()->n3101; |
| 585 | break; |
| 586 | case N3103: |
| 587 | chk = bts->bts_data()->n3103; |
| 588 | break; |
| 589 | case N3105: |
| 590 | chk = bts->bts_data()->n3105; |
| 591 | break; |
| 592 | default: |
| 593 | LOGPTBF(this, LOGL_ERROR, "unhandled counter %s\n", |
| 594 | get_value_string(tbf_counters_names, n)); |
| 595 | return true; |
| 596 | } |
| 597 | |
| 598 | if (N[n] == chk) { |
| 599 | LOGPTBF(this, LOGL_NOTICE, "%s exceeded MAX (%u)\n", |
| 600 | get_value_string(tbf_counters_names, n), chk); |
| 601 | return true; |
| 602 | } |
| 603 | |
| 604 | return false; |
| 605 | } |
| 606 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 607 | 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] | 608 | { |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 609 | if (t >= T_MAX) { |
| 610 | LOGPTBF(this, LOGL_ERROR, "attempting to stop unknown timer %s [%s]\n", |
| 611 | get_value_string(tbf_timers_names, t), reason); |
Max | 0bc982e | 2017-12-21 18:58:50 +0100 | [diff] [blame] | 612 | return; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 613 | } |
| 614 | |
Max | 467f633 | 2017-12-20 18:13:29 +0100 | [diff] [blame] | 615 | if (osmo_timer_pending(&T[t])) { |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 616 | LOGPTBF(this, LOGL_DEBUG, "stopping timer %s [%s]\n", |
| 617 | get_value_string(tbf_timers_names, t), reason); |
Max | 467f633 | 2017-12-20 18:13:29 +0100 | [diff] [blame] | 618 | osmo_timer_del(&T[t]); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 619 | } |
| 620 | } |
| 621 | |
| 622 | /* check if any of T31xx timer(s) are pending */ |
| 623 | bool gprs_rlcmac_tbf::timers_pending(enum tbf_timers t) |
| 624 | { |
| 625 | uint8_t i; |
| 626 | |
| 627 | if (t != T_MAX) |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 628 | return osmo_timer_pending(&T[t]); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 629 | |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 630 | /* 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] | 631 | for (i = T3169; i < T_MAX; i++) |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 632 | if (osmo_timer_pending(&T[i])) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 633 | return true; |
| 634 | |
| 635 | return false; |
| 636 | } |
| 637 | |
| 638 | void gprs_rlcmac_tbf::stop_timers(const char *reason) |
| 639 | { |
| 640 | uint8_t i; |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 641 | /* we start with T0 because timer reset does not require any special handling */ |
| 642 | for (i = T0; i < T_MAX; i++) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 643 | t_stop((enum tbf_timers)i, reason); |
Holger Hans Peter Freyther | 86300bb | 2013-10-26 18:01:35 +0200 | [diff] [blame] | 644 | } |
| 645 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 646 | static inline void tbf_timeout_free(struct gprs_rlcmac_tbf *tbf, enum tbf_timers t, bool run_diag) |
| 647 | { |
| 648 | LOGPTBF(tbf, LOGL_NOTICE, "%s timeout expired, freeing TBF\n", |
| 649 | get_value_string(tbf_timers_names, t)); |
| 650 | |
| 651 | if (run_diag) |
| 652 | tbf->rlcmac_diag(); |
| 653 | |
| 654 | tbf_free(tbf); |
| 655 | } |
| 656 | |
| 657 | #define T_CBACK(t, diag) static void cb_##t(void *_tbf) { tbf_timeout_free((struct gprs_rlcmac_tbf *)_tbf, t, diag); } |
| 658 | |
| 659 | T_CBACK(T3169, true) |
| 660 | T_CBACK(T3191, true) |
| 661 | T_CBACK(T3193, false) |
| 662 | T_CBACK(T3195, true) |
| 663 | |
Max | 467f633 | 2017-12-20 18:13:29 +0100 | [diff] [blame] | 664 | void gprs_rlcmac_tbf::t_start(enum tbf_timers t, uint32_t sec, uint32_t microsec, const char *reason, bool force, |
| 665 | const char *file, unsigned line) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 666 | { |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 667 | int current_fn = get_current_fn(); |
| 668 | |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 669 | if (t >= T_MAX) { |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 670 | LOGPSRC(DTBF, LOGL_ERROR, file, line, "%s attempting to start unknown timer %s [%s], cur_fn=%d\n", |
| 671 | tbf_name(this), get_value_string(tbf_timers_names, t), reason, current_fn); |
Max | 0bc982e | 2017-12-21 18:58:50 +0100 | [diff] [blame] | 672 | return; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 673 | } |
| 674 | |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 675 | if (!force && osmo_timer_pending(&T[t])) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 676 | return; |
| 677 | |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 678 | LOGPSRC(DTBF, LOGL_DEBUG, file, line, "%s %sstarting timer %s [%s] with %u sec. %u microsec, cur_fn=%d\n", |
Max | 467f633 | 2017-12-20 18:13:29 +0100 | [diff] [blame] | 679 | tbf_name(this), osmo_timer_pending(&T[t]) ? "re" : "", |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 680 | get_value_string(tbf_timers_names, t), reason, sec, microsec, current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 681 | |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 682 | T[t].data = this; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 683 | |
| 684 | switch(t) { |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 685 | case T0: |
| 686 | T[t].cb = tbf_timer_cb; |
| 687 | break; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 688 | case T3169: |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 689 | T[t].cb = cb_T3169; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 690 | break; |
| 691 | case T3191: |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 692 | T[t].cb = cb_T3191; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 693 | break; |
| 694 | case T3193: |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 695 | T[t].cb = cb_T3193; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 696 | break; |
| 697 | case T3195: |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 698 | T[t].cb = cb_T3195; |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 699 | break; |
| 700 | default: |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 701 | LOGPSRC(DTBF, LOGL_ERROR, file, line, "%s attempting to set callback for unknown timer %s [%s], cur_fn=%d\n", |
| 702 | tbf_name(this), get_value_string(tbf_timers_names, t), reason, current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 703 | } |
| 704 | |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 705 | osmo_timer_schedule(&T[t], sec, microsec); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 706 | } |
| 707 | |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 708 | int gprs_rlcmac_tbf::check_polling(uint32_t fn, uint8_t ts, |
| 709 | uint32_t *poll_fn_, unsigned int *rrbp_) |
| 710 | { |
Max | 9dabfa2 | 2017-05-16 16:10:45 +0200 | [diff] [blame] | 711 | uint32_t new_poll_fn = next_fn(fn, 13); |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 712 | |
| 713 | if (!is_control_ts(ts)) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 714 | LOGPTBF(this, LOGL_DEBUG, "Polling cannot be " |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 715 | "scheduled in this TS %d (first control TS %d)\n", |
| 716 | ts, control_ts); |
| 717 | return -EINVAL; |
| 718 | } |
| 719 | if (poll_state != GPRS_RLCMAC_POLL_NONE) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 720 | LOGPTBF(this, LOGL_DEBUG, "Polling is already scheduled\n"); |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 721 | return -EBUSY; |
| 722 | } |
Max | 9dabfa2 | 2017-05-16 16:10:45 +0200 | [diff] [blame] | 723 | if (bts->sba()->find(trx->trx_no, ts, next_fn(fn, 13))) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 724 | LOGPTBF(this, LOGL_DEBUG, "Polling is already scheduled " |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 725 | "for single block allocation at FN %d TS %d ...\n", |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 726 | new_poll_fn, ts); |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 727 | return -EBUSY; |
| 728 | } |
| 729 | |
| 730 | *poll_fn_ = new_poll_fn; |
| 731 | *rrbp_ = 0; |
| 732 | |
| 733 | return 0; |
| 734 | } |
| 735 | |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 736 | 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] | 737 | { |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 738 | const char *chan = "UNKNOWN"; |
| 739 | |
| 740 | if (state_flags & (1 << (GPRS_RLCMAC_FLAG_CCCH))) |
| 741 | chan = "CCCH"; |
| 742 | |
| 743 | if (state_flags & (1 << (GPRS_RLCMAC_FLAG_PACCH))) |
| 744 | chan = "PACCH"; |
| 745 | |
| 746 | 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] | 747 | LOGPTBFDL(this, LOGL_ERROR, |
| 748 | "Attempt to schedule polling on %s (FN=%d, TS=%d) with both CCCH and PACCH flags set - FIXME!\n", |
| 749 | chan, poll_fn, poll_ts); |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 750 | |
| 751 | /* schedule polling */ |
| 752 | poll_state = GPRS_RLCMAC_POLL_SCHED; |
| 753 | poll_fn = new_poll_fn; |
| 754 | poll_ts = ts; |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 755 | |
| 756 | switch (t) { |
| 757 | case GPRS_RLCMAC_POLL_UL_ASS: |
| 758 | ul_ass_state = GPRS_RLCMAC_UL_ASS_WAIT_ACK; |
| 759 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 760 | LOGPTBFDL(this, LOGL_INFO, "Scheduled UL Assignment polling on %s (FN=%d, TS=%d)\n", |
| 761 | chan, poll_fn, poll_ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 762 | break; |
| 763 | case GPRS_RLCMAC_POLL_DL_ASS: |
| 764 | dl_ass_state = GPRS_RLCMAC_DL_ASS_WAIT_ACK; |
| 765 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 766 | LOGPTBFDL(this, LOGL_INFO, "Scheduled DL Assignment polling on %s (FN=%d, TS=%d)\n", |
| 767 | chan, poll_fn, poll_ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 768 | break; |
| 769 | case GPRS_RLCMAC_POLL_UL_ACK: |
| 770 | ul_ack_state = GPRS_RLCMAC_UL_ACK_WAIT_ACK; |
| 771 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 772 | LOGPTBFUL(this, LOGL_DEBUG, "Scheduled UL Acknowledgement polling on %s (FN=%d, TS=%d)\n", |
| 773 | chan, poll_fn, poll_ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 774 | break; |
| 775 | case GPRS_RLCMAC_POLL_DL_ACK: |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 776 | LOGPTBFDL(this, LOGL_DEBUG, "Scheduled DL Acknowledgement polling on %s (FN=%d, TS=%d)\n", |
| 777 | chan, poll_fn, poll_ts); |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 778 | break; |
| 779 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 780 | } |
| 781 | |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 782 | void gprs_rlcmac_tbf::poll_timeout() |
| 783 | { |
Max | fd13f6c | 2017-07-07 14:29:36 +0200 | [diff] [blame] | 784 | gprs_rlcmac_ul_tbf *ul_tbf = as_ul_tbf(this); |
| 785 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 786 | LOGPTBF(this, LOGL_NOTICE, "poll timeout for FN=%d, TS=%d (curr FN %d)\n", |
| 787 | poll_fn, poll_ts, bts->current_frame_number()); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 788 | |
| 789 | poll_state = GPRS_RLCMAC_POLL_NONE; |
| 790 | |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 791 | if (n_inc(N3101)) { |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 792 | TBF_SET_STATE(this, GPRS_RLCMAC_RELEASING); |
Max | 467f633 | 2017-12-20 18:13:29 +0100 | [diff] [blame] | 793 | T_START(this, T3169, bts->bts_data()->t3169, 0, "MAX N3101 reached", false); |
Max | 59e4a4f | 2017-12-20 18:01:55 +0100 | [diff] [blame] | 794 | return; |
| 795 | } |
| 796 | |
Max | fd13f6c | 2017-07-07 14:29:36 +0200 | [diff] [blame] | 797 | if (ul_tbf && ul_tbf->handle_ctrl_ack()) { |
| 798 | if (!ul_tbf->ctrl_ack_to_toggle()) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 799 | LOGPTBF(this, LOGL_NOTICE, "Timeout for polling PACKET CONTROL ACK for PACKET UPLINK ACK\n"); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 800 | rlcmac_diag(); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 801 | } |
Jacob Erlbeck | c91c18e | 2015-07-07 09:33:29 +0200 | [diff] [blame] | 802 | bts->rlc_ack_timedout(); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 803 | bts->pkt_ul_ack_nack_poll_timedout(); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 804 | if (state_is(GPRS_RLCMAC_FINISHED)) { |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 805 | if (ul_tbf->n_inc(N3103)) { |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 806 | bts->pkt_ul_ack_nack_poll_failed(); |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 807 | TBF_SET_STATE(ul_tbf, GPRS_RLCMAC_RELEASING); |
Max | 467f633 | 2017-12-20 18:13:29 +0100 | [diff] [blame] | 808 | T_START(ul_tbf, T3169, ul_tbf->bts->bts_data()->t3169, 0, "MAX N3103 reached", false); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 809 | return; |
| 810 | } |
| 811 | /* reschedule UL ack */ |
Daniel Willmann | 6a16e0c | 2014-08-07 13:03:35 +0200 | [diff] [blame] | 812 | 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] | 813 | } |
Jacob Erlbeck | c91c18e | 2015-07-07 09:33:29 +0200 | [diff] [blame] | 814 | |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 815 | } else if (ul_ass_state == GPRS_RLCMAC_UL_ASS_WAIT_ACK) { |
| 816 | if (!(state_flags & (1 << GPRS_RLCMAC_FLAG_TO_UL_ASS))) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 817 | LOGPTBF(this, LOGL_NOTICE, |
| 818 | "Timeout for polling PACKET CONTROL ACK for PACKET UPLINK ASSIGNMENT.\n"); |
| 819 | rlcmac_diag(); |
| 820 | state_flags |= (1 << GPRS_RLCMAC_FLAG_TO_UL_ASS); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 821 | } |
| 822 | ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; |
Jacob Erlbeck | c91c18e | 2015-07-07 09:33:29 +0200 | [diff] [blame] | 823 | bts->rlc_ass_timedout(); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 824 | bts->pua_poll_timedout(); |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 825 | if (n_inc(N3105)) { |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 826 | TBF_SET_STATE(this, GPRS_RLCMAC_RELEASING); |
Max | 467f633 | 2017-12-20 18:13:29 +0100 | [diff] [blame] | 827 | T_START(this, T3195, bts_data()->t3195, 0, "MAX N3105 reached", true); |
Jacob Erlbeck | 7c8d39a | 2015-09-07 14:04:56 +0200 | [diff] [blame] | 828 | bts->rlc_ass_failed(); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 829 | bts->pua_poll_failed(); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 830 | return; |
| 831 | } |
| 832 | /* reschedule UL assignment */ |
| 833 | ul_ass_state = GPRS_RLCMAC_UL_ASS_SEND_ASS; |
| 834 | } else if (dl_ass_state == GPRS_RLCMAC_DL_ASS_WAIT_ACK) { |
| 835 | if (!(state_flags & (1 << GPRS_RLCMAC_FLAG_TO_DL_ASS))) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 836 | LOGPTBF(this, LOGL_NOTICE, |
| 837 | "Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT.\n"); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 838 | rlcmac_diag(); |
| 839 | state_flags |= (1 << GPRS_RLCMAC_FLAG_TO_DL_ASS); |
| 840 | } |
| 841 | dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
Jacob Erlbeck | c91c18e | 2015-07-07 09:33:29 +0200 | [diff] [blame] | 842 | bts->rlc_ass_timedout(); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 843 | bts->pda_poll_timedout(); |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 844 | if (n_inc(N3105)) { |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 845 | TBF_SET_STATE(this, GPRS_RLCMAC_RELEASING); |
Max | 467f633 | 2017-12-20 18:13:29 +0100 | [diff] [blame] | 846 | T_START(this, T3195, bts_data()->t3195, 0, "MAX N3105 reached", true); |
Jacob Erlbeck | 7c8d39a | 2015-09-07 14:04:56 +0200 | [diff] [blame] | 847 | bts->rlc_ass_failed(); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 848 | bts->pda_poll_failed(); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 849 | return; |
| 850 | } |
| 851 | /* reschedule DL assignment */ |
| 852 | dl_ass_state = GPRS_RLCMAC_DL_ASS_SEND_ASS; |
| 853 | } else if (direction == GPRS_RLCMAC_DL_TBF) { |
Jacob Erlbeck | aa9daa1 | 2015-12-28 18:49:12 +0100 | [diff] [blame] | 854 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
Daniel Willmann | 6a16e0c | 2014-08-07 13:03:35 +0200 | [diff] [blame] | 855 | |
| 856 | if (!(dl_tbf->state_flags & (1 << GPRS_RLCMAC_FLAG_TO_DL_ACK))) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 857 | LOGPTBF(this, LOGL_NOTICE, |
| 858 | "Timeout for polling PACKET DOWNLINK ACK.\n"); |
Daniel Willmann | 6a16e0c | 2014-08-07 13:03:35 +0200 | [diff] [blame] | 859 | dl_tbf->rlcmac_diag(); |
| 860 | 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] | 861 | } |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 862 | |
Jacob Erlbeck | c91c18e | 2015-07-07 09:33:29 +0200 | [diff] [blame] | 863 | if (dl_tbf->state_is(GPRS_RLCMAC_RELEASING)) |
| 864 | bts->rlc_rel_timedout(); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 865 | else { |
Jacob Erlbeck | c91c18e | 2015-07-07 09:33:29 +0200 | [diff] [blame] | 866 | bts->rlc_ack_timedout(); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 867 | bts->pkt_dl_ack_nack_poll_timedout(); |
| 868 | } |
Max | 847ed9f | 2018-02-20 18:16:11 +0100 | [diff] [blame] | 869 | |
| 870 | if (dl_tbf->n_inc(N3105)) { |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 871 | TBF_SET_STATE(dl_tbf, GPRS_RLCMAC_RELEASING); |
Max | 467f633 | 2017-12-20 18:13:29 +0100 | [diff] [blame] | 872 | T_START(dl_tbf, T3195, dl_tbf->bts_data()->t3195, 0, "MAX N3105 reached", true); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 873 | bts->pkt_dl_ack_nack_poll_failed(); |
Jacob Erlbeck | 7c8d39a | 2015-09-07 14:04:56 +0200 | [diff] [blame] | 874 | bts->rlc_ack_failed(); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 875 | return; |
| 876 | } |
| 877 | /* resend IMM.ASS on CCCH on timeout */ |
Daniel Willmann | 6a16e0c | 2014-08-07 13:03:35 +0200 | [diff] [blame] | 878 | if ((dl_tbf->state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH)) |
| 879 | && !(dl_tbf->state_flags & (1 << GPRS_RLCMAC_FLAG_DL_ACK))) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 880 | 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] | 881 | imsi()); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 882 | /* send immediate assignment */ |
Max | fc8afc2 | 2019-02-18 18:52:38 +0100 | [diff] [blame] | 883 | dl_tbf->bts->snd_dl_ass(dl_tbf, false, imsi()); |
Daniel Willmann | 7e994e3 | 2014-08-07 15:49:21 +0200 | [diff] [blame] | 884 | dl_tbf->m_wait_confirm = 1; |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 885 | } |
| 886 | } else |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 887 | LOGPTBF(this, LOGL_ERROR, "Poll Timeout, but no event!\n"); |
Holger Hans Peter Freyther | d9262b3 | 2013-10-26 20:12:59 +0200 | [diff] [blame] | 888 | } |
| 889 | |
Max | e9fe0e3 | 2017-09-28 15:56:05 +0200 | [diff] [blame] | 890 | static int setup_tbf(struct gprs_rlcmac_tbf *tbf, GprsMs *ms, int8_t use_trx, uint8_t ms_class, uint8_t egprs_ms_class, |
| 891 | bool single_slot) |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 892 | { |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 893 | int rc; |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 894 | struct gprs_rlcmac_bts *bts; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 895 | if (!tbf) |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 896 | return -1; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 897 | |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 898 | bts = tbf->bts->bts_data(); |
Daniel Willmann | 1b3864f | 2014-07-30 13:25:19 +0200 | [diff] [blame] | 899 | |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 900 | if (ms->mode() == GprsCodingScheme::EGPRS) |
Jacob Erlbeck | 5265f59 | 2015-09-28 18:54:32 +0200 | [diff] [blame] | 901 | ms_class = egprs_ms_class; |
Jacob Erlbeck | 5265f59 | 2015-09-28 18:54:32 +0200 | [diff] [blame] | 902 | |
Holger Hans Peter Freyther | a004799 | 2014-01-16 10:07:20 +0100 | [diff] [blame] | 903 | tbf->m_created_ts = time(NULL); |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 904 | tbf->set_ms_class(ms_class); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 905 | /* select algorithm */ |
Max | e9fe0e3 | 2017-09-28 15:56:05 +0200 | [diff] [blame] | 906 | rc = bts->alloc_algorithm(bts, ms, tbf, single_slot, use_trx); |
Holger Hans Peter Freyther | 90b87ea | 2013-10-27 10:38:31 +0100 | [diff] [blame] | 907 | /* if no resource */ |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 908 | if (rc < 0) { |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 909 | return -1; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 910 | } |
| 911 | /* assign control ts */ |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 912 | rc = tbf_assign_control_ts(tbf); |
Holger Hans Peter Freyther | 90b87ea | 2013-10-27 10:38:31 +0100 | [diff] [blame] | 913 | /* if no resource */ |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 914 | if (rc < 0) { |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 915 | return -1; |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 916 | } |
| 917 | |
| 918 | /* set timestamp */ |
Stefan Sperling | f0f7df1 | 2018-05-25 15:12:30 +0200 | [diff] [blame] | 919 | osmo_clock_gettime(CLOCK_MONOTONIC, &tbf->meas.rssi_tv); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 920 | |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 921 | tbf->set_ms(ms); |
| 922 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 923 | LOGPTBF(tbf, LOGL_INFO, |
| 924 | "Allocated: trx = %d, ul_slots = %02x, dl_slots = %02x\n", |
| 925 | tbf->trx->trx_no, tbf->ul_slots(), tbf->dl_slots()); |
Jacob Erlbeck | 5879c64 | 2015-07-10 10:41:36 +0200 | [diff] [blame] | 926 | |
Pau Espin Pedrol | 0926901 | 2018-07-10 15:44:47 +0200 | [diff] [blame] | 927 | tbf->m_ctrs = rate_ctr_group_alloc(tbf, &tbf_ctrg_desc, next_tbf_ctr_group_id++); |
Harald Welte | 9530a40 | 2017-07-12 00:46:36 +0200 | [diff] [blame] | 928 | if (!tbf->m_ctrs) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 929 | LOGPTBF(tbf, LOGL_ERROR, "Couldn't allocate TBF counters\n"); |
Harald Welte | 9530a40 | 2017-07-12 00:46:36 +0200 | [diff] [blame] | 930 | return -1; |
| 931 | } |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 932 | |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 933 | return 0; |
| 934 | } |
| 935 | |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 936 | gprs_rlcmac_ul_tbf::gprs_rlcmac_ul_tbf(BTS *bts_) : |
| 937 | gprs_rlcmac_tbf(bts_, GPRS_RLCMAC_UL_TBF), |
| 938 | m_rx_counter(0), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 939 | m_contention_resolution_done(0), |
sivasankari | da7250a | 2016-12-16 12:57:18 +0530 | [diff] [blame] | 940 | m_final_ack_sent(0), |
| 941 | m_ul_gprs_ctrs(NULL), |
| 942 | m_ul_egprs_ctrs(NULL) |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 943 | { |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 944 | memset(&m_usf, 0, sizeof(m_usf)); |
| 945 | } |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 946 | |
| 947 | static int ul_tbf_dtor(struct gprs_rlcmac_ul_tbf *tbf) |
| 948 | { |
| 949 | tbf->~gprs_rlcmac_ul_tbf(); |
| 950 | return 0; |
| 951 | } |
| 952 | |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 953 | static void setup_egprs_mode(gprs_rlcmac_bts *bts, GprsMs *ms) |
| 954 | { |
| 955 | if (GprsCodingScheme::getEgprsByNum(bts->max_mcs_ul).isEgprsGmsk() && |
| 956 | GprsCodingScheme::getEgprsByNum(bts->max_mcs_dl).isEgprsGmsk() && |
| 957 | ms->mode() != GprsCodingScheme::EGPRS) |
| 958 | { |
| 959 | ms->set_mode(GprsCodingScheme::EGPRS_GMSK); |
| 960 | } else { |
| 961 | ms->set_mode(GprsCodingScheme::EGPRS); |
| 962 | } |
| 963 | } |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 964 | |
Max | e9fe0e3 | 2017-09-28 15:56:05 +0200 | [diff] [blame] | 965 | struct gprs_rlcmac_ul_tbf *tbf_alloc_ul_tbf(struct gprs_rlcmac_bts *bts, GprsMs *ms, int8_t use_trx, uint8_t ms_class, |
| 966 | uint8_t egprs_ms_class, bool single_slot) |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 967 | { |
| 968 | struct gprs_rlcmac_ul_tbf *tbf; |
| 969 | int rc; |
| 970 | |
Jacob Erlbeck | 9b3d7e0 | 2016-01-19 10:44:42 +0100 | [diff] [blame] | 971 | if (egprs_ms_class == 0 && bts->egprs_enabled) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 972 | LOGP(DTBF, LOGL_NOTICE, "Not accepting non-EGPRS phone in EGPRS-only mode\n"); |
Jacob Erlbeck | 9b3d7e0 | 2016-01-19 10:44:42 +0100 | [diff] [blame] | 973 | bts->bts->tbf_failed_egprs_only(); |
| 974 | return NULL; |
| 975 | } |
| 976 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 977 | LOGP(DTBF, LOGL_DEBUG, "********** UL-TBF starts here **********\n"); |
| 978 | LOGP(DTBF, LOGL_INFO, "Allocating UL TBF: MS_CLASS=%d/%d\n", |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 979 | ms_class, egprs_ms_class); |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 980 | |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 981 | tbf = talloc(tall_pcu_ctx, struct gprs_rlcmac_ul_tbf); |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 982 | |
| 983 | if (!tbf) |
| 984 | return NULL; |
| 985 | |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 986 | talloc_set_destructor(tbf, ul_tbf_dtor); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 987 | new (tbf) gprs_rlcmac_ul_tbf(bts->bts); |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 988 | |
Jacob Erlbeck | cb1b494 | 2015-06-19 10:59:58 +0200 | [diff] [blame] | 989 | if (!ms) |
Jacob Erlbeck | 86b6f05 | 2015-11-27 15:17:34 +0100 | [diff] [blame] | 990 | ms = bts->bts->ms_alloc(ms_class, egprs_ms_class); |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 991 | |
Jacob Erlbeck | 869449c | 2015-12-28 14:01:50 +0100 | [diff] [blame] | 992 | if (egprs_ms_class > 0 && bts->egprs_enabled) { |
Jacob Erlbeck | 869449c | 2015-12-28 14:01:50 +0100 | [diff] [blame] | 993 | tbf->enable_egprs(); |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 994 | setup_egprs_mode(bts, ms); |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 995 | LOGPTBF(tbf, LOGL_INFO, "Enabled EGPRS, mode %s\n", |
| 996 | GprsCodingScheme::modeName(ms->mode())); |
Jacob Erlbeck | 869449c | 2015-12-28 14:01:50 +0100 | [diff] [blame] | 997 | } |
| 998 | |
Jacob Erlbeck | 86b6f05 | 2015-11-27 15:17:34 +0100 | [diff] [blame] | 999 | rc = setup_tbf(tbf, ms, use_trx, ms_class, egprs_ms_class, single_slot); |
sivasankari | 8adfcd0 | 2017-01-16 15:41:21 +0530 | [diff] [blame] | 1000 | |
| 1001 | if (tbf->is_egprs_enabled()) |
Max | 9d7357e | 2017-12-14 15:02:33 +0100 | [diff] [blame] | 1002 | tbf->set_window_size(); |
sivasankari | 8adfcd0 | 2017-01-16 15:41:21 +0530 | [diff] [blame] | 1003 | |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 1004 | /* if no resource */ |
| 1005 | if (rc < 0) { |
| 1006 | talloc_free(tbf); |
| 1007 | return NULL; |
Holger Hans Peter Freyther | 1587764 | 2013-10-27 09:50:15 +0100 | [diff] [blame] | 1008 | } |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 1009 | |
Pau Espin Pedrol | 0926901 | 2018-07-10 15:44:47 +0200 | [diff] [blame] | 1010 | tbf->m_ul_egprs_ctrs = rate_ctr_group_alloc(tbf, |
| 1011 | &tbf_ul_egprs_ctrg_desc, tbf->m_ctrs->idx); |
| 1012 | tbf->m_ul_gprs_ctrs = rate_ctr_group_alloc(tbf, |
| 1013 | &tbf_ul_gprs_ctrg_desc, tbf->m_ctrs->idx); |
Harald Welte | 9530a40 | 2017-07-12 00:46:36 +0200 | [diff] [blame] | 1014 | if (!tbf->m_ul_egprs_ctrs || !tbf->m_ul_gprs_ctrs) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1015 | LOGPTBF(tbf, LOGL_ERROR, "Couldn't allocate TBF UL counters\n"); |
Harald Welte | 9530a40 | 2017-07-12 00:46:36 +0200 | [diff] [blame] | 1016 | talloc_free(tbf); |
| 1017 | return NULL; |
| 1018 | } |
sivasankari | da7250a | 2016-12-16 12:57:18 +0530 | [diff] [blame] | 1019 | |
Jacob Erlbeck | ed2dbf6 | 2015-12-28 19:15:40 +0100 | [diff] [blame] | 1020 | llist_add(&tbf->list(), &bts->bts->ul_tbfs()); |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 1021 | tbf->bts->tbf_ul_created(); |
| 1022 | |
| 1023 | return tbf; |
| 1024 | } |
| 1025 | |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 1026 | gprs_rlcmac_dl_tbf::BandWidth::BandWidth() : |
| 1027 | dl_bw_octets(0), |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1028 | dl_throughput(0), |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 1029 | dl_loss_lost(0), |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1030 | dl_loss_received(0) |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 1031 | { |
Stefan Sperling | f0f7df1 | 2018-05-25 15:12:30 +0200 | [diff] [blame] | 1032 | timespecclear(&dl_bw_tv); |
| 1033 | timespecclear(&dl_loss_tv); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 1034 | } |
| 1035 | |
| 1036 | gprs_rlcmac_dl_tbf::gprs_rlcmac_dl_tbf(BTS *bts_) : |
| 1037 | gprs_rlcmac_tbf(bts_, GPRS_RLCMAC_DL_TBF), |
| 1038 | m_tx_counter(0), |
| 1039 | m_wait_confirm(0), |
| 1040 | m_dl_ack_requested(false), |
| 1041 | m_last_dl_poll_fn(0), |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 1042 | m_last_dl_drained_fn(0), |
| 1043 | m_dl_gprs_ctrs(NULL), |
| 1044 | m_dl_egprs_ctrs(NULL) |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 1045 | { |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 1046 | memset(&m_llc_timer, 0, sizeof(m_llc_timer)); |
| 1047 | } |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 1048 | |
| 1049 | static int dl_tbf_dtor(struct gprs_rlcmac_dl_tbf *tbf) |
| 1050 | { |
| 1051 | tbf->~gprs_rlcmac_dl_tbf(); |
| 1052 | return 0; |
| 1053 | } |
| 1054 | |
Max | e9fe0e3 | 2017-09-28 15:56:05 +0200 | [diff] [blame] | 1055 | struct gprs_rlcmac_dl_tbf *tbf_alloc_dl_tbf(struct gprs_rlcmac_bts *bts, GprsMs *ms, int8_t use_trx, uint8_t ms_class, |
| 1056 | uint8_t egprs_ms_class, bool single_slot) |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 1057 | { |
| 1058 | struct gprs_rlcmac_dl_tbf *tbf; |
| 1059 | int rc; |
| 1060 | |
Jacob Erlbeck | 9b3d7e0 | 2016-01-19 10:44:42 +0100 | [diff] [blame] | 1061 | if (egprs_ms_class == 0 && bts->egprs_enabled) { |
Jacob Erlbeck | 3b1c553 | 2016-01-20 12:30:46 +0100 | [diff] [blame] | 1062 | if (ms_class > 0) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1063 | LOGP(DTBF, LOGL_NOTICE, "Not accepting non-EGPRS phone in EGPRS-only mode\n"); |
Jacob Erlbeck | 3b1c553 | 2016-01-20 12:30:46 +0100 | [diff] [blame] | 1064 | bts->bts->tbf_failed_egprs_only(); |
| 1065 | return NULL; |
| 1066 | } |
| 1067 | egprs_ms_class = 1; |
Jacob Erlbeck | 9b3d7e0 | 2016-01-19 10:44:42 +0100 | [diff] [blame] | 1068 | } |
| 1069 | |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1070 | LOGP(DTBF, LOGL_DEBUG, "********** DL-TBF starts here **********\n"); |
| 1071 | LOGP(DTBF, LOGL_INFO, "Allocating DL TBF: MS_CLASS=%d/%d\n", |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1072 | ms_class, egprs_ms_class); |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 1073 | |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 1074 | tbf = talloc(tall_pcu_ctx, struct gprs_rlcmac_dl_tbf); |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 1075 | |
| 1076 | if (!tbf) |
| 1077 | return NULL; |
| 1078 | |
Jacob Erlbeck | 444bc82 | 2015-08-20 17:49:03 +0200 | [diff] [blame] | 1079 | talloc_set_destructor(tbf, dl_tbf_dtor); |
Jacob Erlbeck | b6b3c7e | 2015-08-28 12:07:14 +0200 | [diff] [blame] | 1080 | new (tbf) gprs_rlcmac_dl_tbf(bts->bts); |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 1081 | |
Jacob Erlbeck | cb1b494 | 2015-06-19 10:59:58 +0200 | [diff] [blame] | 1082 | if (!ms) |
Jacob Erlbeck | 86b6f05 | 2015-11-27 15:17:34 +0100 | [diff] [blame] | 1083 | ms = bts->bts->ms_alloc(ms_class, egprs_ms_class); |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 1084 | |
Jacob Erlbeck | 08f631c | 2016-01-07 16:15:58 +0100 | [diff] [blame] | 1085 | if (egprs_ms_class > 0 && bts->egprs_enabled) { |
| 1086 | tbf->enable_egprs(); |
Jacob Erlbeck | 08f631c | 2016-01-07 16:15:58 +0100 | [diff] [blame] | 1087 | setup_egprs_mode(bts, ms); |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1088 | LOGPTBF(tbf, LOGL_INFO, "Enabled EGPRS, mode %s\n", |
| 1089 | GprsCodingScheme::modeName(ms->mode())); |
Jacob Erlbeck | 08f631c | 2016-01-07 16:15:58 +0100 | [diff] [blame] | 1090 | } |
| 1091 | |
Jacob Erlbeck | 86b6f05 | 2015-11-27 15:17:34 +0100 | [diff] [blame] | 1092 | rc = setup_tbf(tbf, ms, use_trx, ms_class, 0, single_slot); |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 1093 | /* if no resource */ |
| 1094 | if (rc < 0) { |
| 1095 | talloc_free(tbf); |
| 1096 | return NULL; |
| 1097 | } |
| 1098 | |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 1099 | if (tbf->is_egprs_enabled()) { |
Max | 9d7357e | 2017-12-14 15:02:33 +0100 | [diff] [blame] | 1100 | tbf->set_window_size(); |
Pau Espin Pedrol | 0926901 | 2018-07-10 15:44:47 +0200 | [diff] [blame] | 1101 | tbf->m_dl_egprs_ctrs = rate_ctr_group_alloc(tbf, |
| 1102 | &tbf_dl_egprs_ctrg_desc, |
| 1103 | tbf->m_ctrs->idx); |
Harald Welte | 9530a40 | 2017-07-12 00:46:36 +0200 | [diff] [blame] | 1104 | if (!tbf->m_dl_egprs_ctrs) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1105 | LOGPTBF(tbf, LOGL_ERROR, "Couldn't allocate EGPRS DL counters\n"); |
Harald Welte | 9530a40 | 2017-07-12 00:46:36 +0200 | [diff] [blame] | 1106 | talloc_free(tbf); |
| 1107 | return NULL; |
| 1108 | } |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 1109 | } else { |
Pau Espin Pedrol | 0926901 | 2018-07-10 15:44:47 +0200 | [diff] [blame] | 1110 | tbf->m_dl_gprs_ctrs = rate_ctr_group_alloc(tbf, |
| 1111 | &tbf_dl_gprs_ctrg_desc, |
| 1112 | tbf->m_ctrs->idx); |
Harald Welte | 9530a40 | 2017-07-12 00:46:36 +0200 | [diff] [blame] | 1113 | if (!tbf->m_dl_gprs_ctrs) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1114 | LOGPTBF(tbf, LOGL_ERROR, "Couldn't allocate GPRS DL counters\n"); |
Harald Welte | 9530a40 | 2017-07-12 00:46:36 +0200 | [diff] [blame] | 1115 | talloc_free(tbf); |
| 1116 | return NULL; |
| 1117 | } |
sivasankari | 5395073 | 2016-12-08 17:15:17 +0530 | [diff] [blame] | 1118 | } |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 1119 | |
Jacob Erlbeck | ed2dbf6 | 2015-12-28 19:15:40 +0100 | [diff] [blame] | 1120 | llist_add(&tbf->list(), &bts->bts->dl_tbfs()); |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 1121 | tbf->bts->tbf_dl_created(); |
| 1122 | |
Jacob Erlbeck | 005ee7f | 2015-03-20 14:53:54 +0100 | [diff] [blame] | 1123 | tbf->m_last_dl_poll_fn = -1; |
Jacob Erlbeck | 3bed5d1 | 2015-03-19 11:22:38 +0100 | [diff] [blame] | 1124 | tbf->m_last_dl_drained_fn = -1; |
Jacob Erlbeck | 005ee7f | 2015-03-20 14:53:54 +0100 | [diff] [blame] | 1125 | |
Stefan Sperling | f0f7df1 | 2018-05-25 15:12:30 +0200 | [diff] [blame] | 1126 | osmo_clock_gettime(CLOCK_MONOTONIC, &tbf->m_bw.dl_bw_tv); |
| 1127 | osmo_clock_gettime(CLOCK_MONOTONIC, &tbf->m_bw.dl_loss_tv); |
Daniel Willmann | 418a423 | 2014-08-08 11:21:04 +0200 | [diff] [blame] | 1128 | |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 1129 | return tbf; |
| 1130 | } |
| 1131 | |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 1132 | static void tbf_timer_cb(void *_tbf) |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 1133 | { |
| 1134 | struct gprs_rlcmac_tbf *tbf = (struct gprs_rlcmac_tbf *)_tbf; |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 1135 | tbf->handle_timeout(); |
| 1136 | } |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 1137 | |
Holger Hans Peter Freyther | af8094d | 2013-10-26 17:56:15 +0200 | [diff] [blame] | 1138 | void gprs_rlcmac_tbf::handle_timeout() |
| 1139 | { |
Philipp Maier | 33c52b6 | 2018-04-10 14:21:11 +0200 | [diff] [blame] | 1140 | int current_fn = get_current_fn(); |
| 1141 | |
| 1142 | LOGPTBF(this, LOGL_DEBUG, "timer 0 expired. cur_fn=%d\n", current_fn); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 1143 | |
| 1144 | /* assignment */ |
| 1145 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_PACCH))) { |
| 1146 | if (state_is(GPRS_RLCMAC_ASSIGN)) { |
| 1147 | LOGPTBF(this, LOGL_NOTICE, "releasing due to PACCH assignment timeout.\n"); |
| 1148 | tbf_free(this); |
| 1149 | return; |
| 1150 | } else |
| 1151 | LOGPTBF(this, LOGL_ERROR, "Error: TBF is not in assign state\n"); |
| 1152 | } |
| 1153 | |
| 1154 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH))) { |
| 1155 | gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); |
| 1156 | dl_tbf->m_wait_confirm = 0; |
| 1157 | if (dl_tbf->state_is(GPRS_RLCMAC_ASSIGN)) { |
| 1158 | tbf_assign_control_ts(dl_tbf); |
| 1159 | |
| 1160 | if (!dl_tbf->upgrade_to_multislot) { |
| 1161 | /* change state to FLOW, so scheduler |
| 1162 | * will start transmission */ |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 1163 | TBF_SET_STATE(dl_tbf, GPRS_RLCMAC_FLOW); |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 1164 | return; |
| 1165 | } |
| 1166 | |
| 1167 | /* This tbf can be upgraded to use multiple DL |
| 1168 | * timeslots and now that there is already one |
| 1169 | * slot assigned send another DL assignment via |
| 1170 | * PDCH. */ |
| 1171 | |
| 1172 | /* keep to flags */ |
| 1173 | dl_tbf->state_flags &= GPRS_RLCMAC_FLAG_TO_MASK; |
| 1174 | |
| 1175 | dl_tbf->update(); |
| 1176 | |
| 1177 | dl_tbf->trigger_ass(dl_tbf); |
| 1178 | } else |
| 1179 | 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] | 1180 | } |
| 1181 | } |
| 1182 | |
| 1183 | int gprs_rlcmac_tbf::rlcmac_diag() |
| 1184 | { |
| 1185 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH))) |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1186 | LOGPTBF(this, LOGL_NOTICE, "Assignment was on CCCH\n"); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 1187 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_PACCH))) |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1188 | LOGPTBF(this, LOGL_NOTICE, "Assignment was on PACCH\n"); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 1189 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_UL_DATA))) |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1190 | LOGPTBF(this, LOGL_NOTICE, "Uplink data was received\n"); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 1191 | else if (direction == GPRS_RLCMAC_UL_TBF) |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1192 | LOGPTBF(this, LOGL_NOTICE, "No uplink data received yet\n"); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 1193 | if ((state_flags & (1 << GPRS_RLCMAC_FLAG_DL_ACK))) |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1194 | LOGPTBF(this, LOGL_NOTICE, "Downlink ACK was received\n"); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 1195 | else if (direction == GPRS_RLCMAC_DL_TBF) |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1196 | LOGPTBF(this, LOGL_NOTICE, "No downlink ACK received yet\n"); |
Holger Hans Peter Freyther | 7380bab | 2013-10-16 18:09:19 +0200 | [diff] [blame] | 1197 | |
| 1198 | return 0; |
| 1199 | } |
| 1200 | |
Jacob Erlbeck | 5a3c84d | 2016-01-22 17:25:38 +0100 | [diff] [blame] | 1201 | 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] | 1202 | { |
| 1203 | struct msgb *msg; |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 1204 | struct gprs_rlcmac_dl_tbf *new_dl_tbf = NULL; |
Holger Hans Peter Freyther | 9977e15 | 2013-11-24 22:52:10 +0100 | [diff] [blame] | 1205 | int poll_ass_dl = 1; |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 1206 | unsigned int rrbp = 0; |
| 1207 | uint32_t new_poll_fn = 0; |
| 1208 | int rc; |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 1209 | bool old_tfi_is_valid = is_tfi_assigned(); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 1210 | |
Jacob Erlbeck | 646da1b | 2016-01-22 17:41:33 +0100 | [diff] [blame] | 1211 | if (direction == GPRS_RLCMAC_DL_TBF && !is_control_ts(ts)) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1212 | LOGPTBF(this, LOGL_NOTICE, |
| 1213 | "Cannot poll for downlink assigment, because MS cannot reply. (TS=%d, first common TS=%d)\n", |
| 1214 | ts, first_common_ts); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 1215 | poll_ass_dl = 0; |
| 1216 | } |
| 1217 | if (poll_ass_dl) { |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 1218 | if (poll_state == GPRS_RLCMAC_POLL_SCHED && |
| 1219 | ul_ass_state == GPRS_RLCMAC_UL_ASS_WAIT_ACK) |
| 1220 | { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1221 | LOGPTBF(this, LOGL_DEBUG, |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1222 | "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] | 1223 | return NULL; |
| 1224 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 1225 | rc = check_polling(fn, ts, &new_poll_fn, &rrbp); |
| 1226 | if (rc < 0) |
| 1227 | return NULL; |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 1228 | } |
| 1229 | |
| 1230 | /* on uplink TBF we get the downlink TBF to be assigned. */ |
| 1231 | if (direction == GPRS_RLCMAC_UL_TBF) { |
Jacob Erlbeck | aa9daa1 | 2015-12-28 18:49:12 +0100 | [diff] [blame] | 1232 | gprs_rlcmac_ul_tbf *ul_tbf = as_ul_tbf(this); |
Daniel Willmann | b2886f1 | 2014-08-07 14:48:20 +0200 | [diff] [blame] | 1233 | |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 1234 | /* be sure to check first, if contention resolution is done, |
| 1235 | * otherwise we cannot send the assignment yet */ |
Daniel Willmann | 7e994e3 | 2014-08-07 15:49:21 +0200 | [diff] [blame] | 1236 | if (!ul_tbf->m_contention_resolution_done) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1237 | LOGPTBF(this, LOGL_DEBUG, |
| 1238 | "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] | 1239 | return NULL; |
| 1240 | } |
Daniel Willmann | e481815 | 2014-08-15 16:52:09 +0200 | [diff] [blame] | 1241 | } |
| 1242 | |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 1243 | if (ms()) |
| 1244 | new_dl_tbf = ms()->dl_tbf(); |
| 1245 | |
Daniel Willmann | b2886f1 | 2014-08-07 14:48:20 +0200 | [diff] [blame] | 1246 | if (!new_dl_tbf) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1247 | LOGPTBFDL(this, LOGL_ERROR, |
| 1248 | "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] | 1249 | dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 1250 | return NULL; |
| 1251 | } |
| 1252 | |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 1253 | if (new_dl_tbf == as_dl_tbf(this)) |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1254 | LOGPTBF(this, LOGL_DEBUG, "New and old TBF are the same.\n"); |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 1255 | |
| 1256 | if (old_tfi_is_valid && !new_dl_tbf->is_tlli_valid()) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1257 | LOGPTBF(this, LOGL_ERROR, |
| 1258 | "The old TFI is not assigned and there is no TLLI. New TBF %s\n", |
| 1259 | new_dl_tbf->name()); |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 1260 | dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 1261 | return NULL; |
| 1262 | } |
| 1263 | |
Holger Hans Peter Freyther | f5c9747 | 2014-12-26 18:32:00 +0100 | [diff] [blame] | 1264 | new_dl_tbf->was_releasing = was_releasing; |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 1265 | msg = msgb_alloc(23, "rlcmac_dl_ass"); |
| 1266 | if (!msg) |
| 1267 | return NULL; |
Alexander Couzens | ccde5c9 | 2017-02-04 03:10:08 +0100 | [diff] [blame] | 1268 | bitvec *ass_vec = bitvec_alloc(23, tall_pcu_ctx); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 1269 | if (!ass_vec) { |
| 1270 | msgb_free(msg); |
| 1271 | return NULL; |
| 1272 | } |
Max | 7426c5f | 2019-02-18 20:42:42 +0100 | [diff] [blame] | 1273 | bitvec_unhex(ass_vec, DUMMY_VEC); |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1274 | LOGPTBF(new_dl_tbf, LOGL_INFO, "start Packet Downlink Assignment (PACCH)\n"); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 1275 | RlcMacDownlink_t * mac_control_block = (RlcMacDownlink_t *)talloc_zero(tall_pcu_ctx, RlcMacDownlink_t); |
Jacob Erlbeck | 6b356a5 | 2016-01-29 16:39:21 +0100 | [diff] [blame] | 1276 | Encoding::write_packet_downlink_assignment(mac_control_block, |
| 1277 | old_tfi_is_valid, m_tfi, (direction == GPRS_RLCMAC_DL_TBF), |
| 1278 | new_dl_tbf, poll_ass_dl, rrbp, |
| 1279 | bts_data()->alpha, bts_data()->gamma, -1, 0, |
Jacob Erlbeck | 166c9fc | 2016-01-07 16:04:29 +0100 | [diff] [blame] | 1280 | is_egprs_enabled()); |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1281 | LOGP(DTBF, LOGL_DEBUG, "+++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++\n"); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 1282 | encode_gsm_rlcmac_downlink(ass_vec, mac_control_block); |
| 1283 | LOGPC(DCSN1, LOGL_NOTICE, "\n"); |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1284 | LOGP(DTBF, LOGL_DEBUG, "------------------------- TX : Packet Downlink Assignment -------------------------\n"); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 1285 | bts->pkt_dl_assignemnt(); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 1286 | bitvec_pack(ass_vec, msgb_put(msg, 23)); |
| 1287 | bitvec_free(ass_vec); |
| 1288 | talloc_free(mac_control_block); |
| 1289 | |
| 1290 | if (poll_ass_dl) { |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 1291 | 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] | 1292 | } else { |
| 1293 | dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 1294 | TBF_SET_STATE(new_dl_tbf, GPRS_RLCMAC_FLOW); |
Daniel Willmann | b2886f1 | 2014-08-07 14:48:20 +0200 | [diff] [blame] | 1295 | tbf_assign_control_ts(new_dl_tbf); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 1296 | /* stop pending assignment timer */ |
Max | b2de1f7 | 2017-12-20 18:05:29 +0100 | [diff] [blame] | 1297 | new_dl_tbf->t_stop(T0, "assignment (DL-TBF)"); |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 1298 | |
| 1299 | } |
Holger Hans Peter Freyther | 2db7e7e | 2013-10-26 20:45:35 +0200 | [diff] [blame] | 1300 | |
| 1301 | return msg; |
| 1302 | } |
| 1303 | |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 1304 | struct msgb *gprs_rlcmac_tbf::create_packet_access_reject() |
| 1305 | { |
| 1306 | struct msgb *msg; |
| 1307 | |
| 1308 | msg = msgb_alloc(23, "rlcmac_ul_ass_rej"); |
| 1309 | |
Alexander Couzens | ccde5c9 | 2017-02-04 03:10:08 +0100 | [diff] [blame] | 1310 | bitvec *packet_access_rej = bitvec_alloc(23, tall_pcu_ctx); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 1311 | |
Max | 7426c5f | 2019-02-18 20:42:42 +0100 | [diff] [blame] | 1312 | bitvec_unhex(packet_access_rej, DUMMY_VEC); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 1313 | |
| 1314 | Encoding::write_packet_access_reject( |
| 1315 | packet_access_rej, tlli()); |
| 1316 | |
sivasankari | 168911b | 2016-11-25 19:53:36 +0530 | [diff] [blame] | 1317 | bts->pkt_access_reject(); |
| 1318 | |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 1319 | bitvec_pack(packet_access_rej, msgb_put(msg, 23)); |
| 1320 | |
| 1321 | bitvec_free(packet_access_rej); |
| 1322 | ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; |
| 1323 | |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 1324 | /* Start Tmr only if it is UL TBF */ |
| 1325 | if (direction == GPRS_RLCMAC_UL_TBF) |
Max | 467f633 | 2017-12-20 18:13:29 +0100 | [diff] [blame] | 1326 | T_START(this, T0, 0, T_REJ_PACCH_USEC, "reject (PACCH)", true); |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 1327 | |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 1328 | return msg; |
| 1329 | |
| 1330 | } |
| 1331 | |
Jacob Erlbeck | 5a3c84d | 2016-01-22 17:25:38 +0100 | [diff] [blame] | 1332 | 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] | 1333 | { |
| 1334 | struct msgb *msg; |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 1335 | struct gprs_rlcmac_ul_tbf *new_tbf = NULL; |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 1336 | int rc; |
| 1337 | unsigned int rrbp; |
| 1338 | uint32_t new_poll_fn; |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1339 | |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 1340 | if (poll_state == GPRS_RLCMAC_POLL_SCHED && |
| 1341 | ul_ass_state == GPRS_RLCMAC_UL_ASS_WAIT_ACK) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1342 | LOGPTBFUL(this, LOGL_DEBUG, |
| 1343 | "Polling is already scheduled, so we must wait for the uplink assignment...\n"); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1344 | return NULL; |
| 1345 | } |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 1346 | |
| 1347 | rc = check_polling(fn, ts, &new_poll_fn, &rrbp); |
| 1348 | if (rc < 0) |
| 1349 | return NULL; |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1350 | |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 1351 | if (ms()) |
| 1352 | new_tbf = ms()->ul_tbf(); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1353 | if (!new_tbf) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1354 | LOGPTBFUL(this, LOGL_ERROR, |
| 1355 | "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] | 1356 | ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; |
| 1357 | return NULL; |
| 1358 | } |
| 1359 | |
| 1360 | msg = msgb_alloc(23, "rlcmac_ul_ass"); |
| 1361 | if (!msg) |
| 1362 | return NULL; |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1363 | LOGPTBF(new_tbf, LOGL_INFO, "start Packet Uplink Assignment (PACCH)\n"); |
Alexander Couzens | ccde5c9 | 2017-02-04 03:10:08 +0100 | [diff] [blame] | 1364 | bitvec *ass_vec = bitvec_alloc(23, tall_pcu_ctx); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1365 | if (!ass_vec) { |
| 1366 | msgb_free(msg); |
| 1367 | return NULL; |
| 1368 | } |
Max | 7426c5f | 2019-02-18 20:42:42 +0100 | [diff] [blame] | 1369 | bitvec_unhex(ass_vec, DUMMY_VEC); |
Holger Hans Peter Freyther | 34f6e5e | 2013-10-27 20:31:47 +0100 | [diff] [blame] | 1370 | Encoding::write_packet_uplink_assignment(bts_data(), ass_vec, m_tfi, |
Jacob Erlbeck | 767193e | 2015-05-20 12:06:46 +0200 | [diff] [blame] | 1371 | (direction == GPRS_RLCMAC_DL_TBF), tlli(), |
Jacob Erlbeck | f2694b7 | 2016-01-26 21:46:26 +0100 | [diff] [blame] | 1372 | is_tlli_valid(), new_tbf, 1, rrbp, bts_data()->alpha, |
Jacob Erlbeck | 5265f59 | 2015-09-28 18:54:32 +0200 | [diff] [blame] | 1373 | bts_data()->gamma, -1, is_egprs_enabled()); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1374 | bitvec_pack(ass_vec, msgb_put(msg, 23)); |
| 1375 | RlcMacDownlink_t * mac_control_block = (RlcMacDownlink_t *)talloc_zero(tall_pcu_ctx, RlcMacDownlink_t); |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1376 | LOGP(DTBF, LOGL_DEBUG, "+++++++++++++++++++++++++ TX : Packet Uplink Assignment +++++++++++++++++++++++++\n"); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1377 | decode_gsm_rlcmac_downlink(ass_vec, mac_control_block); |
| 1378 | LOGPC(DCSN1, LOGL_NOTICE, "\n"); |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1379 | LOGP(DTBF, LOGL_DEBUG, "------------------------- TX : Packet Uplink Assignment -------------------------\n"); |
Mrinal Mishra | f86307e | 2016-11-10 18:16:30 +0530 | [diff] [blame] | 1380 | bts->pkt_ul_assignment(); |
Holger Hans Peter Freyther | ae03f22 | 2013-10-26 21:20:51 +0200 | [diff] [blame] | 1381 | bitvec_free(ass_vec); |
| 1382 | talloc_free(mac_control_block); |
| 1383 | |
Max | f60cf62 | 2017-07-10 14:40:09 +0200 | [diff] [blame] | 1384 | 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] | 1385 | |
| 1386 | return msg; |
| 1387 | } |
| 1388 | |
Holger Hans Peter Freyther | 964ddb6 | 2013-10-16 17:53:23 +0200 | [diff] [blame] | 1389 | void gprs_rlcmac_tbf::free_all(struct gprs_rlcmac_trx *trx) |
| 1390 | { |
Jacob Erlbeck | 3a10dbd | 2015-07-10 19:52:37 +0200 | [diff] [blame] | 1391 | for (uint8_t ts = 0; ts < 8; ts++) |
| 1392 | free_all(&trx->pdch[ts]); |
Holger Hans Peter Freyther | 964ddb6 | 2013-10-16 17:53:23 +0200 | [diff] [blame] | 1393 | } |
Holger Hans Peter Freyther | 4f6a4e5d | 2013-10-16 17:58:46 +0200 | [diff] [blame] | 1394 | |
| 1395 | void gprs_rlcmac_tbf::free_all(struct gprs_rlcmac_pdch *pdch) |
| 1396 | { |
| 1397 | for (uint8_t tfi = 0; tfi < 32; tfi++) { |
| 1398 | struct gprs_rlcmac_tbf *tbf; |
| 1399 | |
Daniel Willmann | 17a1d5e | 2014-05-30 20:21:30 +0200 | [diff] [blame] | 1400 | tbf = pdch->ul_tbf_by_tfi(tfi); |
Holger Hans Peter Freyther | 4f6a4e5d | 2013-10-16 17:58:46 +0200 | [diff] [blame] | 1401 | if (tbf) |
| 1402 | tbf_free(tbf); |
Daniel Willmann | 17a1d5e | 2014-05-30 20:21:30 +0200 | [diff] [blame] | 1403 | tbf = pdch->dl_tbf_by_tfi(tfi); |
Holger Hans Peter Freyther | 4f6a4e5d | 2013-10-16 17:58:46 +0200 | [diff] [blame] | 1404 | if (tbf) |
| 1405 | tbf_free(tbf); |
| 1406 | } |
| 1407 | } |
Holger Hans Peter Freyther | bd449f5 | 2013-10-27 16:39:36 +0100 | [diff] [blame] | 1408 | |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1409 | int gprs_rlcmac_tbf::establish_dl_tbf_on_pacch() |
| 1410 | { |
| 1411 | struct gprs_rlcmac_dl_tbf *new_tbf = NULL; |
| 1412 | |
| 1413 | bts->tbf_reused(); |
| 1414 | |
| 1415 | new_tbf = tbf_alloc_dl_tbf(bts->bts_data(), ms(), |
Jacob Erlbeck | 86b6f05 | 2015-11-27 15:17:34 +0100 | [diff] [blame] | 1416 | this->trx->trx_no, ms_class(), |
Max | 92b7a50 | 2018-01-26 11:01:35 +0100 | [diff] [blame] | 1417 | ms() ? ms()->egprs_ms_class() : 0, false); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1418 | |
| 1419 | if (!new_tbf) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1420 | LOGP(DTBF, LOGL_NOTICE, "No PDCH resource\n"); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1421 | return -1; |
| 1422 | } |
| 1423 | |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1424 | LOGPTBF(this, LOGL_DEBUG, "Trigger downlink assignment on PACCH\n"); |
Max | a10c398 | 2017-07-07 18:25:41 +0200 | [diff] [blame] | 1425 | new_tbf->trigger_ass(this); |
Jacob Erlbeck | 91ff7d1 | 2015-09-01 11:20:29 +0200 | [diff] [blame] | 1426 | |
| 1427 | return 0; |
| 1428 | } |
| 1429 | |
Jacob Erlbeck | e8f5fe5 | 2015-12-14 13:23:15 +0100 | [diff] [blame] | 1430 | int gprs_rlcmac_tbf::set_tlli_from_ul(uint32_t new_tlli) |
Holger Hans Peter Freyther | 4c06d91 | 2013-11-25 23:05:26 +0100 | [diff] [blame] | 1431 | { |
Jacob Erlbeck | e43460b | 2015-05-13 13:33:12 +0200 | [diff] [blame] | 1432 | struct gprs_rlcmac_tbf *dl_tbf = NULL; |
| 1433 | struct gprs_rlcmac_tbf *ul_tbf = NULL; |
Jacob Erlbeck | e43460b | 2015-05-13 13:33:12 +0200 | [diff] [blame] | 1434 | GprsMs *old_ms; |
Holger Hans Peter Freyther | 4c06d91 | 2013-11-25 23:05:26 +0100 | [diff] [blame] | 1435 | |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 1436 | OSMO_ASSERT(direction == GPRS_RLCMAC_UL_TBF); |
| 1437 | |
Jacob Erlbeck | e43460b | 2015-05-13 13:33:12 +0200 | [diff] [blame] | 1438 | old_ms = bts->ms_by_tlli(new_tlli); |
Jacob Erlbeck | 9659d59 | 2015-09-01 11:06:14 +0200 | [diff] [blame] | 1439 | /* Keep the old MS object for the update_ms() */ |
| 1440 | GprsMs::Guard guard(old_ms); |
Jacob Erlbeck | e43460b | 2015-05-13 13:33:12 +0200 | [diff] [blame] | 1441 | if (old_ms) { |
| 1442 | /* Get them before calling set_ms() */ |
| 1443 | dl_tbf = old_ms->dl_tbf(); |
| 1444 | ul_tbf = old_ms->ul_tbf(); |
| 1445 | |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 1446 | if (!ms()) |
| 1447 | set_ms(old_ms); |
Jacob Erlbeck | e43460b | 2015-05-13 13:33:12 +0200 | [diff] [blame] | 1448 | } |
| 1449 | |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 1450 | if (dl_tbf && dl_tbf->ms() != ms()) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1451 | LOGPTBFUL(dl_tbf, LOGL_NOTICE, |
| 1452 | "Got RACH from TLLI=0x%08x while TBF still exists: killing pending DL TBF\n", new_tlli); |
Holger Hans Peter Freyther | 4c06d91 | 2013-11-25 23:05:26 +0100 | [diff] [blame] | 1453 | tbf_free(dl_tbf); |
Holger Hans Peter Freyther | 3d0cc2f | 2014-01-16 10:09:42 +0100 | [diff] [blame] | 1454 | dl_tbf = NULL; |
Holger Hans Peter Freyther | 4c06d91 | 2013-11-25 23:05:26 +0100 | [diff] [blame] | 1455 | } |
Jacob Erlbeck | 6d86628 | 2015-06-19 09:08:23 +0200 | [diff] [blame] | 1456 | if (ul_tbf && ul_tbf->ms() != ms()) { |
Max | c21f007 | 2017-12-15 17:36:45 +0100 | [diff] [blame] | 1457 | LOGPTBFUL(ul_tbf, LOGL_NOTICE, |
| 1458 | "Got RACH from TLLI=0x%08x while TBF still exists: killing pending UL TBF\n", new_tlli); |
Holger Hans Peter Freyther | 4c06d91 | 2013-11-25 23:05:26 +0100 | [diff] [blame] | 1459 | tbf_free(ul_tbf); |
Holger Hans Peter Freyther | 3d0cc2f | 2014-01-16 10:09:42 +0100 | [diff] [blame] | 1460 | ul_tbf = NULL; |
Holger Hans Peter Freyther | 4c06d91 | 2013-11-25 23:05:26 +0100 | [diff] [blame] | 1461 | } |
Jacob Erlbeck | 5f93f85 | 2016-01-21 20:48:39 +0100 | [diff] [blame] | 1462 | |
| 1463 | /* The TLLI has been taken from an UL message */ |
| 1464 | update_ms(new_tlli, GPRS_RLCMAC_UL_TBF); |
| 1465 | |
| 1466 | #if 0 /* REMOVEME ??? */ |
| 1467 | if (ms()->need_dl_tbf()) |
| 1468 | establish_dl_tbf_on_pacch(); |
| 1469 | #endif |
Holger Hans Peter Freyther | 4c06d91 | 2013-11-25 23:05:26 +0100 | [diff] [blame] | 1470 | return 1; |
| 1471 | } |
| 1472 | |
Holger Hans Peter Freyther | bd449f5 | 2013-10-27 16:39:36 +0100 | [diff] [blame] | 1473 | const char *tbf_name(gprs_rlcmac_tbf *tbf) |
| 1474 | { |
Alexander Couzens | e04fd0c | 2016-05-31 13:18:01 +0200 | [diff] [blame] | 1475 | return tbf ? tbf->name() : "(no TBF)"; |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 1476 | } |
| 1477 | |
| 1478 | const char *gprs_rlcmac_tbf::name() const |
| 1479 | { |
| 1480 | snprintf(m_name_buf, sizeof(m_name_buf) - 1, |
Jacob Erlbeck | 5643f35 | 2015-11-27 16:17:40 +0100 | [diff] [blame] | 1481 | "TBF(TFI=%d TLLI=0x%08x DIR=%s STATE=%s%s)", |
Jacob Erlbeck | 767193e | 2015-05-20 12:06:46 +0200 | [diff] [blame] | 1482 | m_tfi, tlli(), |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 1483 | direction == GPRS_RLCMAC_UL_TBF ? "UL" : "DL", |
Jacob Erlbeck | 5643f35 | 2015-11-27 16:17:40 +0100 | [diff] [blame] | 1484 | state_name(), |
| 1485 | is_egprs_enabled() ? " EGPRS" : "" |
Jacob Erlbeck | adcdf15 | 2015-03-03 14:45:55 +0100 | [diff] [blame] | 1486 | ); |
| 1487 | m_name_buf[sizeof(m_name_buf) - 1] = '\0'; |
| 1488 | return m_name_buf; |
Holger Hans Peter Freyther | bd449f5 | 2013-10-27 16:39:36 +0100 | [diff] [blame] | 1489 | } |
Holger Hans Peter Freyther | 758dc12 | 2013-11-06 20:39:45 +0100 | [diff] [blame] | 1490 | |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 1491 | void gprs_rlcmac_tbf::rotate_in_list() |
| 1492 | { |
Jacob Erlbeck | ed2dbf6 | 2015-12-28 19:15:40 +0100 | [diff] [blame] | 1493 | llist_del(&list()); |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 1494 | if (direction == GPRS_RLCMAC_UL_TBF) |
Jacob Erlbeck | ed2dbf6 | 2015-12-28 19:15:40 +0100 | [diff] [blame] | 1495 | llist_add(&list(), &bts->ul_tbfs()); |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 1496 | else |
Jacob Erlbeck | ed2dbf6 | 2015-12-28 19:15:40 +0100 | [diff] [blame] | 1497 | llist_add(&list(), &bts->dl_tbfs()); |
Holger Hans Peter Freyther | 7a5f3c2 | 2013-11-26 13:08:12 +0100 | [diff] [blame] | 1498 | } |
Holger Hans Peter Freyther | 8f399de | 2013-12-25 20:22:35 +0100 | [diff] [blame] | 1499 | |
| 1500 | uint8_t gprs_rlcmac_tbf::tsc() const |
| 1501 | { |
| 1502 | return trx->pdch[first_ts].tsc; |
| 1503 | } |
Daniel Willmann | afa72f5 | 2014-01-15 17:06:19 +0100 | [diff] [blame] | 1504 | |
Jacob Erlbeck | 617c712 | 2015-06-30 09:18:30 +0200 | [diff] [blame] | 1505 | uint8_t gprs_rlcmac_tbf::dl_slots() const |
| 1506 | { |
| 1507 | uint8_t slots = 0; |
| 1508 | size_t i; |
| 1509 | |
| 1510 | if (direction == GPRS_RLCMAC_UL_TBF) |
| 1511 | return 0; |
| 1512 | |
| 1513 | for (i = 0; i < ARRAY_SIZE(pdch); i += 1) |
| 1514 | if (pdch[i]) |
| 1515 | slots |= 1 << i; |
| 1516 | |
| 1517 | return slots; |
| 1518 | } |
| 1519 | |
| 1520 | uint8_t gprs_rlcmac_tbf::ul_slots() const |
| 1521 | { |
| 1522 | uint8_t slots = 0; |
| 1523 | size_t i; |
| 1524 | |
| 1525 | if (direction == GPRS_RLCMAC_DL_TBF) { |
| 1526 | if (control_ts < 8) |
| 1527 | slots |= 1 << control_ts; |
| 1528 | if (first_common_ts < 8) |
| 1529 | slots |= 1 << first_common_ts; |
| 1530 | |
| 1531 | return slots; |
| 1532 | } |
| 1533 | |
| 1534 | for (i = 0; i < ARRAY_SIZE(pdch); i += 1) |
| 1535 | if (pdch[i]) |
| 1536 | slots |= 1 << i; |
| 1537 | |
| 1538 | return slots; |
| 1539 | } |
Jacob Erlbeck | 646da1b | 2016-01-22 17:41:33 +0100 | [diff] [blame] | 1540 | |
| 1541 | bool gprs_rlcmac_tbf::is_control_ts(uint8_t ts) const |
| 1542 | { |
| 1543 | return ts == control_ts; |
| 1544 | } |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 1545 | |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 1546 | gprs_rlc_ul_window *gprs_rlcmac_ul_tbf::window() |
| 1547 | { |
| 1548 | return &m_window; |
| 1549 | } |
| 1550 | |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 1551 | struct gprs_rlcmac_ul_tbf *handle_tbf_reject(struct gprs_rlcmac_bts *bts, |
| 1552 | GprsMs *ms, uint32_t tlli, uint8_t trx_no, uint8_t ts) |
| 1553 | { |
| 1554 | struct gprs_rlcmac_ul_tbf *ul_tbf = NULL; |
| 1555 | struct gprs_rlcmac_trx *trx = &bts->trx[trx_no]; |
| 1556 | |
| 1557 | ul_tbf = talloc(tall_pcu_ctx, struct gprs_rlcmac_ul_tbf); |
| 1558 | if (!ul_tbf) |
| 1559 | return ul_tbf; |
| 1560 | |
| 1561 | talloc_set_destructor(ul_tbf, ul_tbf_dtor); |
| 1562 | new (ul_tbf) gprs_rlcmac_ul_tbf(bts->bts); |
| 1563 | if (!ms) |
| 1564 | ms = bts->bts->ms_alloc(0, 0); |
| 1565 | |
| 1566 | ms->set_tlli(tlli); |
| 1567 | |
| 1568 | llist_add(&ul_tbf->list(), &bts->bts->ul_tbfs()); |
| 1569 | ul_tbf->bts->tbf_ul_created(); |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 1570 | TBF_SET_ASS_ON(ul_tbf, GPRS_RLCMAC_FLAG_PACCH, false); |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 1571 | |
| 1572 | ul_tbf->set_ms(ms); |
| 1573 | ul_tbf->update_ms(tlli, GPRS_RLCMAC_UL_TBF); |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 1574 | TBF_SET_ASS_STATE_UL(ul_tbf, GPRS_RLCMAC_UL_ASS_SEND_ASS_REJ); |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 1575 | ul_tbf->control_ts = ts; |
| 1576 | ul_tbf->trx = trx; |
Pau Espin Pedrol | 0926901 | 2018-07-10 15:44:47 +0200 | [diff] [blame] | 1577 | ul_tbf->m_ctrs = rate_ctr_group_alloc(ul_tbf, &tbf_ctrg_desc, next_tbf_ctr_group_id++); |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 1578 | ul_tbf->m_ul_egprs_ctrs = rate_ctr_group_alloc(ul_tbf, |
Pau Espin Pedrol | 0926901 | 2018-07-10 15:44:47 +0200 | [diff] [blame] | 1579 | &tbf_ul_egprs_ctrg_desc, |
| 1580 | ul_tbf->m_ctrs->idx); |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 1581 | ul_tbf->m_ul_gprs_ctrs = rate_ctr_group_alloc(ul_tbf, |
Pau Espin Pedrol | 0926901 | 2018-07-10 15:44:47 +0200 | [diff] [blame] | 1582 | &tbf_ul_gprs_ctrg_desc, |
| 1583 | ul_tbf->m_ctrs->idx); |
Harald Welte | 9530a40 | 2017-07-12 00:46:36 +0200 | [diff] [blame] | 1584 | if (!ul_tbf->m_ctrs || !ul_tbf->m_ul_egprs_ctrs || !ul_tbf->m_ul_gprs_ctrs) { |
Max | 0524e38 | 2018-01-19 18:22:25 +0100 | [diff] [blame] | 1585 | LOGPTBF(ul_tbf, LOGL_ERROR, "Cound not allocate TBF UL rate counters\n"); |
Harald Welte | 9530a40 | 2017-07-12 00:46:36 +0200 | [diff] [blame] | 1586 | talloc_free(ul_tbf); |
| 1587 | return NULL; |
| 1588 | } |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 1589 | |
| 1590 | return ul_tbf; |
| 1591 | } |