Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 1 | /* gprs_ms.h |
| 2 | * |
| 3 | * Copyright (C) 2015 by Sysmocom s.f.m.c. GmbH |
| 4 | * Author: Jacob Erlbeck <jerlbeck@sysmocom.de> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version 2 |
| 9 | * of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 | */ |
| 20 | |
| 21 | #pragma once |
| 22 | |
| 23 | struct gprs_rlcmac_tbf; |
| 24 | struct gprs_rlcmac_dl_tbf; |
| 25 | struct gprs_rlcmac_ul_tbf; |
Jacob Erlbeck | d4ad731 | 2015-07-17 16:39:09 +0200 | [diff] [blame] | 26 | struct gprs_codel; |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 27 | |
Jacob Erlbeck | 5367086 | 2015-05-12 17:54:33 +0200 | [diff] [blame] | 28 | #include "cxx_linuxlist.h" |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 29 | #include "llc.h" |
Jacob Erlbeck | ac89a55 | 2015-06-29 14:18:46 +0200 | [diff] [blame] | 30 | #include "tbf.h" |
Jacob Erlbeck | e4bcb62 | 2015-06-08 11:26:38 +0200 | [diff] [blame] | 31 | #include "pcu_l1_if.h" |
Jacob Erlbeck | d9e1024 | 2015-05-28 15:43:53 +0200 | [diff] [blame] | 32 | |
| 33 | extern "C" { |
| 34 | #include <osmocom/core/timer.h> |
| 35 | } |
| 36 | |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 37 | #include <stdint.h> |
| 38 | #include <stddef.h> |
| 39 | |
Jacob Erlbeck | 17214bb | 2015-06-02 14:06:12 +0200 | [diff] [blame] | 40 | struct BTS; |
Jacob Erlbeck | 23f93a1 | 2015-06-30 08:52:54 +0200 | [diff] [blame] | 41 | struct gprs_rlcmac_trx; |
Jacob Erlbeck | 17214bb | 2015-06-02 14:06:12 +0200 | [diff] [blame] | 42 | |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 43 | class GprsMs { |
| 44 | public: |
| 45 | struct Callback { |
| 46 | virtual void ms_idle(class GprsMs *) = 0; |
| 47 | virtual void ms_active(class GprsMs *) = 0; |
| 48 | }; |
| 49 | |
| 50 | class Guard { |
| 51 | public: |
| 52 | Guard(GprsMs *ms); |
| 53 | ~Guard(); |
| 54 | |
Jacob Erlbeck | b2439bb | 2015-07-13 14:23:32 +0200 | [diff] [blame] | 55 | bool is_idle() const; |
| 56 | |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 57 | private: |
| 58 | GprsMs * const m_ms; |
| 59 | }; |
| 60 | |
Jacob Erlbeck | 17214bb | 2015-06-02 14:06:12 +0200 | [diff] [blame] | 61 | GprsMs(BTS *bts, uint32_t tlli); |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 62 | ~GprsMs(); |
| 63 | |
| 64 | void set_callback(Callback *cb) {m_cb = cb;} |
| 65 | |
Jacob Erlbeck | 2b349b5 | 2015-08-18 11:55:03 +0200 | [diff] [blame] | 66 | void merge_old_ms(GprsMs *old_ms); |
| 67 | |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 68 | gprs_rlcmac_ul_tbf *ul_tbf() const {return m_ul_tbf;} |
| 69 | gprs_rlcmac_dl_tbf *dl_tbf() const {return m_dl_tbf;} |
Jacob Erlbeck | ac89a55 | 2015-06-29 14:18:46 +0200 | [diff] [blame] | 70 | gprs_rlcmac_tbf *tbf(enum gprs_rlcmac_tbf_direction dir) const; |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 71 | uint32_t tlli() const; |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 72 | void set_tlli(uint32_t tlli); |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 73 | bool confirm_tlli(uint32_t tlli); |
| 74 | bool check_tlli(uint32_t tlli); |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 75 | |
Jacob Erlbeck | ac28905 | 2015-08-14 12:50:54 +0200 | [diff] [blame] | 76 | void reset(); |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 77 | GprsCodingScheme::Mode mode() const; |
| 78 | void set_mode(GprsCodingScheme::Mode mode); |
Jacob Erlbeck | ac28905 | 2015-08-14 12:50:54 +0200 | [diff] [blame] | 79 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 80 | const char *imsi() const; |
| 81 | void set_imsi(const char *imsi); |
| 82 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 83 | uint8_t ta() const; |
| 84 | void set_ta(uint8_t ta); |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 85 | uint8_t ms_class() const; |
Jacob Erlbeck | c3c5804 | 2015-09-28 17:55:32 +0200 | [diff] [blame] | 86 | uint8_t egprs_ms_class() const; |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 87 | void set_ms_class(uint8_t ms_class); |
Jacob Erlbeck | c3c5804 | 2015-09-28 17:55:32 +0200 | [diff] [blame] | 88 | void set_egprs_ms_class(uint8_t ms_class); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 89 | |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 90 | GprsCodingScheme current_cs_ul() const; |
| 91 | GprsCodingScheme current_cs_dl() const; |
| 92 | GprsCodingScheme max_cs_ul() const; |
| 93 | GprsCodingScheme max_cs_dl() const; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 94 | |
Jacob Erlbeck | 699b8dc | 2015-06-29 14:05:55 +0200 | [diff] [blame] | 95 | int first_common_ts() const; |
Jacob Erlbeck | 617c712 | 2015-06-30 09:18:30 +0200 | [diff] [blame] | 96 | uint8_t dl_slots() const; |
| 97 | uint8_t ul_slots() const; |
Jacob Erlbeck | 23f93a1 | 2015-06-30 08:52:54 +0200 | [diff] [blame] | 98 | uint8_t reserved_dl_slots() const; |
| 99 | uint8_t reserved_ul_slots() const; |
Jacob Erlbeck | 7c72aca | 2016-01-22 17:06:14 +0100 | [diff] [blame] | 100 | uint8_t current_pacch_slots() const; |
Jacob Erlbeck | 23f93a1 | 2015-06-30 08:52:54 +0200 | [diff] [blame] | 101 | gprs_rlcmac_trx *current_trx() const; |
| 102 | void set_reserved_slots(gprs_rlcmac_trx *trx, |
| 103 | uint8_t ul_slots, uint8_t dl_slots); |
Jacob Erlbeck | 699b8dc | 2015-06-29 14:05:55 +0200 | [diff] [blame] | 104 | |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 105 | gprs_llc_queue *llc_queue(); |
| 106 | const gprs_llc_queue *llc_queue() const; |
Jacob Erlbeck | d4ad731 | 2015-07-17 16:39:09 +0200 | [diff] [blame] | 107 | gprs_codel *codel_state() const; |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 108 | |
Jacob Erlbeck | d9e1024 | 2015-05-28 15:43:53 +0200 | [diff] [blame] | 109 | void set_timeout(unsigned secs); |
| 110 | |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 111 | void attach_tbf(gprs_rlcmac_tbf *tbf); |
| 112 | void attach_ul_tbf(gprs_rlcmac_ul_tbf *tbf); |
| 113 | void attach_dl_tbf(gprs_rlcmac_dl_tbf *tbf); |
| 114 | |
| 115 | void detach_tbf(gprs_rlcmac_tbf *tbf); |
| 116 | |
Jacob Erlbeck | 1751c62 | 2015-06-04 12:12:32 +0200 | [diff] [blame] | 117 | void update_error_rate(gprs_rlcmac_tbf *tbf, int percent); |
| 118 | |
Jacob Erlbeck | 6835cea | 2015-08-21 15:24:02 +0200 | [diff] [blame] | 119 | bool is_idle() const; |
Jacob Erlbeck | c8cbfc2 | 2015-09-01 11:38:40 +0200 | [diff] [blame] | 120 | bool need_dl_tbf() const; |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 121 | |
| 122 | void* operator new(size_t num); |
| 123 | void operator delete(void* p); |
| 124 | |
Jacob Erlbeck | 5367086 | 2015-05-12 17:54:33 +0200 | [diff] [blame] | 125 | LListHead<GprsMs>& list() {return this->m_list;} |
| 126 | const LListHead<GprsMs>& list() const {return this->m_list;} |
Jacob Erlbeck | 6835cea | 2015-08-21 15:24:02 +0200 | [diff] [blame] | 127 | const LListHead<gprs_rlcmac_tbf>& old_tbfs() const {return m_old_tbfs;} |
Jacob Erlbeck | 5367086 | 2015-05-12 17:54:33 +0200 | [diff] [blame] | 128 | |
Jacob Erlbeck | e4bcb62 | 2015-06-08 11:26:38 +0200 | [diff] [blame] | 129 | void update_l1_meas(const pcu_l1_meas *meas); |
| 130 | const pcu_l1_meas* l1_meas() const {return &m_l1_meas;}; |
Jacob Erlbeck | 04a1086 | 2015-06-12 16:01:56 +0200 | [diff] [blame] | 131 | unsigned nack_rate_dl() const; |
Jacob Erlbeck | e4bcb62 | 2015-06-08 11:26:38 +0200 | [diff] [blame] | 132 | |
Jacob Erlbeck | d9e1024 | 2015-05-28 15:43:53 +0200 | [diff] [blame] | 133 | /* internal use */ |
| 134 | static void timeout(void *priv_); |
| 135 | |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 136 | protected: |
| 137 | void update_status(); |
Jacob Erlbeck | d9e1024 | 2015-05-28 15:43:53 +0200 | [diff] [blame] | 138 | GprsMs *ref(); |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 139 | void unref(); |
Jacob Erlbeck | d9e1024 | 2015-05-28 15:43:53 +0200 | [diff] [blame] | 140 | void start_timer(); |
| 141 | void stop_timer(); |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 142 | void update_cs_ul(const pcu_l1_meas*); |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 143 | |
| 144 | private: |
Jacob Erlbeck | 17214bb | 2015-06-02 14:06:12 +0200 | [diff] [blame] | 145 | BTS *m_bts; |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 146 | Callback * m_cb; |
| 147 | gprs_rlcmac_ul_tbf *m_ul_tbf; |
| 148 | gprs_rlcmac_dl_tbf *m_dl_tbf; |
Jacob Erlbeck | 6835cea | 2015-08-21 15:24:02 +0200 | [diff] [blame] | 149 | LListHead<gprs_rlcmac_tbf> m_old_tbfs; |
| 150 | |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 151 | uint32_t m_tlli; |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 152 | uint32_t m_new_ul_tlli; |
| 153 | uint32_t m_new_dl_tlli; |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 154 | |
| 155 | /* store IMSI for look-up and PCH retransmission */ |
| 156 | char m_imsi[16]; |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 157 | uint8_t m_ta; |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 158 | uint8_t m_ms_class; |
Jacob Erlbeck | c3c5804 | 2015-09-28 17:55:32 +0200 | [diff] [blame] | 159 | uint8_t m_egprs_ms_class; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 160 | /* current coding scheme */ |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 161 | GprsCodingScheme m_current_cs_ul; |
| 162 | GprsCodingScheme m_current_cs_dl; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 163 | |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 164 | gprs_llc_queue m_llc_queue; |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 165 | |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 166 | bool m_is_idle; |
| 167 | int m_ref; |
Jacob Erlbeck | 5367086 | 2015-05-12 17:54:33 +0200 | [diff] [blame] | 168 | LListHead<GprsMs> m_list; |
Jacob Erlbeck | d9e1024 | 2015-05-28 15:43:53 +0200 | [diff] [blame] | 169 | struct osmo_timer_list m_timer; |
| 170 | unsigned m_delay; |
Jacob Erlbeck | 8158ea7 | 2015-06-04 17:46:33 +0200 | [diff] [blame] | 171 | |
| 172 | int64_t m_last_cs_not_low; |
Jacob Erlbeck | e4bcb62 | 2015-06-08 11:26:38 +0200 | [diff] [blame] | 173 | |
| 174 | pcu_l1_meas m_l1_meas; |
Jacob Erlbeck | 04a1086 | 2015-06-12 16:01:56 +0200 | [diff] [blame] | 175 | unsigned m_nack_rate_dl; |
Jacob Erlbeck | 23f93a1 | 2015-06-30 08:52:54 +0200 | [diff] [blame] | 176 | uint8_t m_reserved_dl_slots; |
| 177 | uint8_t m_reserved_ul_slots; |
| 178 | gprs_rlcmac_trx *m_current_trx; |
Jacob Erlbeck | d4ad731 | 2015-07-17 16:39:09 +0200 | [diff] [blame] | 179 | |
| 180 | struct gprs_codel *m_codel_state; |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 181 | GprsCodingScheme::Mode m_mode; |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 182 | }; |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 183 | |
Jacob Erlbeck | 6835cea | 2015-08-21 15:24:02 +0200 | [diff] [blame] | 184 | inline bool GprsMs::is_idle() const |
| 185 | { |
| 186 | return !m_ul_tbf && !m_dl_tbf && !m_ref && llist_empty(&m_old_tbfs); |
| 187 | } |
| 188 | |
Jacob Erlbeck | c8cbfc2 | 2015-09-01 11:38:40 +0200 | [diff] [blame] | 189 | inline bool GprsMs::need_dl_tbf() const |
| 190 | { |
| 191 | if (dl_tbf() != NULL && dl_tbf()->state_is_not(GPRS_RLCMAC_WAIT_RELEASE)) |
| 192 | return false; |
| 193 | |
| 194 | return llc_queue()->size() > 0; |
| 195 | } |
| 196 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 197 | inline uint32_t GprsMs::tlli() const |
| 198 | { |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 199 | return m_new_ul_tlli ? m_new_ul_tlli : |
| 200 | m_tlli ? m_tlli : |
| 201 | m_new_dl_tlli; |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 202 | } |
| 203 | |
| 204 | inline bool GprsMs::check_tlli(uint32_t tlli) |
| 205 | { |
| 206 | return tlli != 0 && |
| 207 | (tlli == m_tlli || tlli == m_new_ul_tlli || tlli == m_new_dl_tlli); |
| 208 | } |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 209 | |
| 210 | inline const char *GprsMs::imsi() const |
| 211 | { |
| 212 | return m_imsi; |
| 213 | } |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 214 | |
| 215 | inline uint8_t GprsMs::ta() const |
| 216 | { |
| 217 | return m_ta; |
| 218 | } |
Jacob Erlbeck | d9e1024 | 2015-05-28 15:43:53 +0200 | [diff] [blame] | 219 | |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 220 | inline uint8_t GprsMs::ms_class() const |
| 221 | { |
| 222 | return m_ms_class; |
| 223 | } |
| 224 | |
Jacob Erlbeck | c3c5804 | 2015-09-28 17:55:32 +0200 | [diff] [blame] | 225 | inline uint8_t GprsMs::egprs_ms_class() const |
| 226 | { |
| 227 | return m_egprs_ms_class; |
| 228 | } |
| 229 | |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 230 | inline GprsCodingScheme GprsMs::current_cs_ul() const |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 231 | { |
| 232 | return m_current_cs_ul; |
| 233 | } |
| 234 | |
Jacob Erlbeck | cb72890 | 2016-01-05 15:33:03 +0100 | [diff] [blame] | 235 | inline GprsCodingScheme::Mode GprsMs::mode() const |
| 236 | { |
| 237 | return m_mode; |
| 238 | } |
| 239 | |
Jacob Erlbeck | d9e1024 | 2015-05-28 15:43:53 +0200 | [diff] [blame] | 240 | inline void GprsMs::set_timeout(unsigned secs) |
| 241 | { |
| 242 | m_delay = secs; |
| 243 | } |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 244 | |
| 245 | inline gprs_llc_queue *GprsMs::llc_queue() |
| 246 | { |
| 247 | return &m_llc_queue; |
| 248 | } |
| 249 | |
| 250 | inline const gprs_llc_queue *GprsMs::llc_queue() const |
| 251 | { |
| 252 | return &m_llc_queue; |
| 253 | } |
| 254 | |
Jacob Erlbeck | d4ad731 | 2015-07-17 16:39:09 +0200 | [diff] [blame] | 255 | inline gprs_codel *GprsMs::codel_state() const |
| 256 | { |
| 257 | return m_codel_state; |
| 258 | } |
| 259 | |
Jacob Erlbeck | 04a1086 | 2015-06-12 16:01:56 +0200 | [diff] [blame] | 260 | inline unsigned GprsMs::nack_rate_dl() const |
| 261 | { |
| 262 | return m_nack_rate_dl; |
| 263 | } |
| 264 | |
Jacob Erlbeck | 23f93a1 | 2015-06-30 08:52:54 +0200 | [diff] [blame] | 265 | inline uint8_t GprsMs::reserved_dl_slots() const |
| 266 | { |
| 267 | return m_reserved_dl_slots; |
| 268 | } |
| 269 | |
| 270 | inline uint8_t GprsMs::reserved_ul_slots() const |
| 271 | { |
| 272 | return m_reserved_ul_slots; |
| 273 | } |
| 274 | |
| 275 | inline gprs_rlcmac_trx *GprsMs::current_trx() const |
| 276 | { |
| 277 | return m_current_trx; |
| 278 | } |