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 | |
| 66 | gprs_rlcmac_ul_tbf *ul_tbf() const {return m_ul_tbf;} |
| 67 | gprs_rlcmac_dl_tbf *dl_tbf() const {return m_dl_tbf;} |
Jacob Erlbeck | ac89a55 | 2015-06-29 14:18:46 +0200 | [diff] [blame] | 68 | gprs_rlcmac_tbf *tbf(enum gprs_rlcmac_tbf_direction dir) const; |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 69 | uint32_t tlli() const; |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 70 | void set_tlli(uint32_t tlli); |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 71 | bool confirm_tlli(uint32_t tlli); |
| 72 | bool check_tlli(uint32_t tlli); |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 73 | |
Jacob Erlbeck | ac28905 | 2015-08-14 12:50:54 +0200 | [diff] [blame^] | 74 | void reset(); |
| 75 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 76 | const char *imsi() const; |
| 77 | void set_imsi(const char *imsi); |
| 78 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 79 | uint8_t ta() const; |
| 80 | void set_ta(uint8_t ta); |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 81 | uint8_t ms_class() const; |
| 82 | void set_ms_class(uint8_t ms_class); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 83 | |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 84 | uint8_t current_cs_ul() const; |
| 85 | uint8_t current_cs_dl() const; |
| 86 | |
Jacob Erlbeck | 699b8dc | 2015-06-29 14:05:55 +0200 | [diff] [blame] | 87 | int first_common_ts() const; |
Jacob Erlbeck | 617c712 | 2015-06-30 09:18:30 +0200 | [diff] [blame] | 88 | uint8_t dl_slots() const; |
| 89 | uint8_t ul_slots() const; |
Jacob Erlbeck | 23f93a1 | 2015-06-30 08:52:54 +0200 | [diff] [blame] | 90 | uint8_t reserved_dl_slots() const; |
| 91 | uint8_t reserved_ul_slots() const; |
| 92 | gprs_rlcmac_trx *current_trx() const; |
| 93 | void set_reserved_slots(gprs_rlcmac_trx *trx, |
| 94 | uint8_t ul_slots, uint8_t dl_slots); |
Jacob Erlbeck | 699b8dc | 2015-06-29 14:05:55 +0200 | [diff] [blame] | 95 | |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 96 | gprs_llc_queue *llc_queue(); |
| 97 | const gprs_llc_queue *llc_queue() const; |
Jacob Erlbeck | d4ad731 | 2015-07-17 16:39:09 +0200 | [diff] [blame] | 98 | gprs_codel *codel_state() const; |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 99 | |
Jacob Erlbeck | d9e1024 | 2015-05-28 15:43:53 +0200 | [diff] [blame] | 100 | void set_timeout(unsigned secs); |
| 101 | |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 102 | void attach_tbf(gprs_rlcmac_tbf *tbf); |
| 103 | void attach_ul_tbf(gprs_rlcmac_ul_tbf *tbf); |
| 104 | void attach_dl_tbf(gprs_rlcmac_dl_tbf *tbf); |
| 105 | |
| 106 | void detach_tbf(gprs_rlcmac_tbf *tbf); |
| 107 | |
Jacob Erlbeck | 1751c62 | 2015-06-04 12:12:32 +0200 | [diff] [blame] | 108 | void update_error_rate(gprs_rlcmac_tbf *tbf, int percent); |
| 109 | |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 110 | bool is_idle() const {return !m_ul_tbf && !m_dl_tbf && !m_ref;} |
| 111 | |
| 112 | void* operator new(size_t num); |
| 113 | void operator delete(void* p); |
| 114 | |
Jacob Erlbeck | 5367086 | 2015-05-12 17:54:33 +0200 | [diff] [blame] | 115 | LListHead<GprsMs>& list() {return this->m_list;} |
| 116 | const LListHead<GprsMs>& list() const {return this->m_list;} |
| 117 | |
Jacob Erlbeck | e4bcb62 | 2015-06-08 11:26:38 +0200 | [diff] [blame] | 118 | void update_l1_meas(const pcu_l1_meas *meas); |
| 119 | const pcu_l1_meas* l1_meas() const {return &m_l1_meas;}; |
Jacob Erlbeck | 04a1086 | 2015-06-12 16:01:56 +0200 | [diff] [blame] | 120 | unsigned nack_rate_dl() const; |
Jacob Erlbeck | e4bcb62 | 2015-06-08 11:26:38 +0200 | [diff] [blame] | 121 | |
Jacob Erlbeck | d9e1024 | 2015-05-28 15:43:53 +0200 | [diff] [blame] | 122 | /* internal use */ |
| 123 | static void timeout(void *priv_); |
| 124 | |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 125 | protected: |
| 126 | void update_status(); |
Jacob Erlbeck | d9e1024 | 2015-05-28 15:43:53 +0200 | [diff] [blame] | 127 | GprsMs *ref(); |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 128 | void unref(); |
Jacob Erlbeck | d9e1024 | 2015-05-28 15:43:53 +0200 | [diff] [blame] | 129 | void start_timer(); |
| 130 | void stop_timer(); |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 131 | |
| 132 | private: |
Jacob Erlbeck | 17214bb | 2015-06-02 14:06:12 +0200 | [diff] [blame] | 133 | BTS *m_bts; |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 134 | Callback * m_cb; |
| 135 | gprs_rlcmac_ul_tbf *m_ul_tbf; |
| 136 | gprs_rlcmac_dl_tbf *m_dl_tbf; |
| 137 | uint32_t m_tlli; |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 138 | uint32_t m_new_ul_tlli; |
| 139 | uint32_t m_new_dl_tlli; |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 140 | |
| 141 | /* store IMSI for look-up and PCH retransmission */ |
| 142 | char m_imsi[16]; |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 143 | uint8_t m_ta; |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 144 | uint8_t m_ms_class; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 145 | /* current coding scheme */ |
| 146 | uint8_t m_current_cs_ul; |
| 147 | uint8_t m_current_cs_dl; |
| 148 | |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 149 | gprs_llc_queue m_llc_queue; |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 150 | |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 151 | bool m_is_idle; |
| 152 | int m_ref; |
Jacob Erlbeck | 5367086 | 2015-05-12 17:54:33 +0200 | [diff] [blame] | 153 | LListHead<GprsMs> m_list; |
Jacob Erlbeck | d9e1024 | 2015-05-28 15:43:53 +0200 | [diff] [blame] | 154 | struct osmo_timer_list m_timer; |
| 155 | unsigned m_delay; |
Jacob Erlbeck | 8158ea7 | 2015-06-04 17:46:33 +0200 | [diff] [blame] | 156 | |
| 157 | int64_t m_last_cs_not_low; |
Jacob Erlbeck | e4bcb62 | 2015-06-08 11:26:38 +0200 | [diff] [blame] | 158 | |
| 159 | pcu_l1_meas m_l1_meas; |
Jacob Erlbeck | 04a1086 | 2015-06-12 16:01:56 +0200 | [diff] [blame] | 160 | unsigned m_nack_rate_dl; |
Jacob Erlbeck | 23f93a1 | 2015-06-30 08:52:54 +0200 | [diff] [blame] | 161 | uint8_t m_reserved_dl_slots; |
| 162 | uint8_t m_reserved_ul_slots; |
| 163 | gprs_rlcmac_trx *m_current_trx; |
Jacob Erlbeck | d4ad731 | 2015-07-17 16:39:09 +0200 | [diff] [blame] | 164 | |
| 165 | struct gprs_codel *m_codel_state; |
Jacob Erlbeck | e04e0b0 | 2015-05-06 18:30:48 +0200 | [diff] [blame] | 166 | }; |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 167 | |
| 168 | inline uint32_t GprsMs::tlli() const |
| 169 | { |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 170 | return m_new_ul_tlli ? m_new_ul_tlli : |
| 171 | m_tlli ? m_tlli : |
| 172 | m_new_dl_tlli; |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 173 | } |
| 174 | |
| 175 | inline bool GprsMs::check_tlli(uint32_t tlli) |
| 176 | { |
| 177 | return tlli != 0 && |
| 178 | (tlli == m_tlli || tlli == m_new_ul_tlli || tlli == m_new_dl_tlli); |
| 179 | } |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 180 | |
| 181 | inline const char *GprsMs::imsi() const |
| 182 | { |
| 183 | return m_imsi; |
| 184 | } |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 185 | |
| 186 | inline uint8_t GprsMs::ta() const |
| 187 | { |
| 188 | return m_ta; |
| 189 | } |
Jacob Erlbeck | d9e1024 | 2015-05-28 15:43:53 +0200 | [diff] [blame] | 190 | |
Jacob Erlbeck | befc760 | 2015-06-02 12:33:30 +0200 | [diff] [blame] | 191 | inline uint8_t GprsMs::ms_class() const |
| 192 | { |
| 193 | return m_ms_class; |
| 194 | } |
| 195 | |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 196 | inline uint8_t GprsMs::current_cs_ul() const |
| 197 | { |
| 198 | return m_current_cs_ul; |
| 199 | } |
| 200 | |
Jacob Erlbeck | d9e1024 | 2015-05-28 15:43:53 +0200 | [diff] [blame] | 201 | inline void GprsMs::set_timeout(unsigned secs) |
| 202 | { |
| 203 | m_delay = secs; |
| 204 | } |
Jacob Erlbeck | 489a2b3 | 2015-05-28 19:07:01 +0200 | [diff] [blame] | 205 | |
| 206 | inline gprs_llc_queue *GprsMs::llc_queue() |
| 207 | { |
| 208 | return &m_llc_queue; |
| 209 | } |
| 210 | |
| 211 | inline const gprs_llc_queue *GprsMs::llc_queue() const |
| 212 | { |
| 213 | return &m_llc_queue; |
| 214 | } |
| 215 | |
Jacob Erlbeck | d4ad731 | 2015-07-17 16:39:09 +0200 | [diff] [blame] | 216 | inline gprs_codel *GprsMs::codel_state() const |
| 217 | { |
| 218 | return m_codel_state; |
| 219 | } |
| 220 | |
Jacob Erlbeck | 04a1086 | 2015-06-12 16:01:56 +0200 | [diff] [blame] | 221 | inline unsigned GprsMs::nack_rate_dl() const |
| 222 | { |
| 223 | return m_nack_rate_dl; |
| 224 | } |
| 225 | |
Jacob Erlbeck | 23f93a1 | 2015-06-30 08:52:54 +0200 | [diff] [blame] | 226 | inline uint8_t GprsMs::reserved_dl_slots() const |
| 227 | { |
| 228 | return m_reserved_dl_slots; |
| 229 | } |
| 230 | |
| 231 | inline uint8_t GprsMs::reserved_ul_slots() const |
| 232 | { |
| 233 | return m_reserved_ul_slots; |
| 234 | } |
| 235 | |
| 236 | inline gprs_rlcmac_trx *GprsMs::current_trx() const |
| 237 | { |
| 238 | return m_current_trx; |
| 239 | } |