| /* gprs_ms.h |
| * |
| * Copyright (C) 2015 by Sysmocom s.f.m.c. GmbH |
| * Author: Jacob Erlbeck <jerlbeck@sysmocom.de> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| #pragma once |
| |
| struct gprs_codel; |
| |
| #include <gprs_coding_scheme.h> |
| #include "cxx_linuxlist.h" |
| #include "llc.h" |
| #include "tbf.h" |
| #include "pcu_l1_if.h" |
| #include <gprs_coding_scheme.h> |
| |
| extern "C" { |
| #include <osmocom/core/timer.h> |
| #include <osmocom/core/linuxlist.h> |
| } |
| |
| #include <stdint.h> |
| #include <stddef.h> |
| |
| struct BTS; |
| struct gprs_rlcmac_trx; |
| |
| class GprsMs { |
| public: |
| struct Callback { |
| virtual void ms_idle(class GprsMs *) = 0; |
| virtual void ms_active(class GprsMs *) = 0; |
| }; |
| |
| class Guard { |
| public: |
| Guard(GprsMs *ms); |
| ~Guard(); |
| |
| bool is_idle() const; |
| |
| private: |
| GprsMs * const m_ms; |
| }; |
| |
| GprsMs(BTS *bts, uint32_t tlli); |
| ~GprsMs(); |
| |
| void set_callback(Callback *cb) {m_cb = cb;} |
| |
| void merge_old_ms(GprsMs *old_ms); |
| |
| gprs_rlcmac_ul_tbf *ul_tbf() const {return m_ul_tbf;} |
| gprs_rlcmac_dl_tbf *dl_tbf() const {return m_dl_tbf;} |
| gprs_rlcmac_tbf *tbf(enum gprs_rlcmac_tbf_direction dir) const; |
| uint32_t tlli() const; |
| void set_tlli(uint32_t tlli); |
| bool confirm_tlli(uint32_t tlli); |
| bool check_tlli(uint32_t tlli); |
| |
| void reset(); |
| enum mcs_kind mode() const; |
| void set_mode(enum mcs_kind mode); |
| |
| const char *imsi() const; |
| void set_imsi(const char *imsi); |
| |
| uint8_t ta() const; |
| void set_ta(uint8_t ta); |
| uint8_t ms_class() const; |
| uint8_t egprs_ms_class() const; |
| void set_ms_class(uint8_t ms_class); |
| void set_egprs_ms_class(uint8_t ms_class); |
| void set_current_cs_dl(CodingScheme scheme); |
| |
| GprsCodingScheme current_cs_ul() const; |
| GprsCodingScheme current_cs_dl() const; |
| GprsCodingScheme max_cs_ul() const; |
| GprsCodingScheme max_cs_dl() const; |
| |
| int first_common_ts() const; |
| uint8_t dl_slots() const; |
| uint8_t ul_slots() const; |
| uint8_t reserved_dl_slots() const; |
| uint8_t reserved_ul_slots() const; |
| uint8_t current_pacch_slots() const; |
| gprs_rlcmac_trx *current_trx() const; |
| void set_reserved_slots(gprs_rlcmac_trx *trx, |
| uint8_t ul_slots, uint8_t dl_slots); |
| |
| gprs_llc_queue *llc_queue(); |
| const gprs_llc_queue *llc_queue() const; |
| gprs_codel *codel_state() const; |
| |
| void set_timeout(unsigned secs); |
| |
| void attach_tbf(gprs_rlcmac_tbf *tbf); |
| void attach_ul_tbf(gprs_rlcmac_ul_tbf *tbf); |
| void attach_dl_tbf(gprs_rlcmac_dl_tbf *tbf); |
| |
| void detach_tbf(gprs_rlcmac_tbf *tbf); |
| |
| void update_error_rate(gprs_rlcmac_tbf *tbf, int percent); |
| |
| bool is_idle() const; |
| bool need_dl_tbf() const; |
| |
| void* operator new(size_t num); |
| void operator delete(void* p); |
| |
| LListHead<GprsMs>& list() {return this->m_list;} |
| const LListHead<GprsMs>& list() const {return this->m_list;} |
| const LListHead<gprs_rlcmac_tbf>& old_tbfs() const {return m_old_tbfs;} |
| |
| void update_l1_meas(const pcu_l1_meas *meas); |
| const pcu_l1_meas* l1_meas() const {return &m_l1_meas;}; |
| unsigned nack_rate_dl() const; |
| unsigned dl_ctrl_msg() const; |
| void update_dl_ctrl_msg(); |
| |
| /* internal use */ |
| static void timeout(void *priv_); |
| |
| protected: |
| void update_status(); |
| GprsMs *ref(); |
| void unref(); |
| void start_timer(); |
| void stop_timer(); |
| void update_cs_ul(const pcu_l1_meas*); |
| |
| private: |
| BTS *m_bts; |
| Callback * m_cb; |
| gprs_rlcmac_ul_tbf *m_ul_tbf; |
| gprs_rlcmac_dl_tbf *m_dl_tbf; |
| LListHead<gprs_rlcmac_tbf> m_old_tbfs; |
| |
| uint32_t m_tlli; |
| uint32_t m_new_ul_tlli; |
| uint32_t m_new_dl_tlli; |
| |
| /* store IMSI for look-up and PCH retransmission */ |
| char m_imsi[16]; |
| uint8_t m_ta; |
| uint8_t m_ms_class; |
| uint8_t m_egprs_ms_class; |
| /* current coding scheme */ |
| GprsCodingScheme m_current_cs_ul; |
| GprsCodingScheme m_current_cs_dl; |
| |
| gprs_llc_queue m_llc_queue; |
| |
| bool m_is_idle; |
| int m_ref; |
| LListHead<GprsMs> m_list; |
| struct osmo_timer_list m_timer; |
| unsigned m_delay; |
| |
| int64_t m_last_cs_not_low; |
| |
| pcu_l1_meas m_l1_meas; |
| unsigned m_nack_rate_dl; |
| uint8_t m_reserved_dl_slots; |
| uint8_t m_reserved_ul_slots; |
| gprs_rlcmac_trx *m_current_trx; |
| |
| struct gprs_codel *m_codel_state; |
| enum mcs_kind m_mode; |
| |
| unsigned m_dl_ctrl_msg; |
| }; |
| |
| inline bool GprsMs::is_idle() const |
| { |
| return !m_ul_tbf && !m_dl_tbf && !m_ref && llist_empty(&m_old_tbfs); |
| } |
| |
| inline bool GprsMs::need_dl_tbf() const |
| { |
| if (dl_tbf() != NULL && dl_tbf()->state_is_not(GPRS_RLCMAC_WAIT_RELEASE)) |
| return false; |
| |
| return llc_queue()->size() > 0; |
| } |
| |
| inline uint32_t GprsMs::tlli() const |
| { |
| return m_new_ul_tlli ? m_new_ul_tlli : |
| m_tlli ? m_tlli : |
| m_new_dl_tlli; |
| } |
| |
| inline bool GprsMs::check_tlli(uint32_t tlli) |
| { |
| return tlli != 0 && |
| (tlli == m_tlli || tlli == m_new_ul_tlli || tlli == m_new_dl_tlli); |
| } |
| |
| inline const char *GprsMs::imsi() const |
| { |
| return m_imsi; |
| } |
| |
| inline uint8_t GprsMs::ta() const |
| { |
| return m_ta; |
| } |
| |
| inline uint8_t GprsMs::ms_class() const |
| { |
| return m_ms_class; |
| } |
| |
| inline uint8_t GprsMs::egprs_ms_class() const |
| { |
| return m_egprs_ms_class; |
| } |
| |
| inline GprsCodingScheme GprsMs::current_cs_ul() const |
| { |
| return m_current_cs_ul; |
| } |
| |
| inline enum mcs_kind GprsMs::mode() const |
| { |
| return m_mode; |
| } |
| |
| inline void GprsMs::set_timeout(unsigned secs) |
| { |
| m_delay = secs; |
| } |
| |
| inline gprs_llc_queue *GprsMs::llc_queue() |
| { |
| return &m_llc_queue; |
| } |
| |
| inline const gprs_llc_queue *GprsMs::llc_queue() const |
| { |
| return &m_llc_queue; |
| } |
| |
| inline gprs_codel *GprsMs::codel_state() const |
| { |
| return m_codel_state; |
| } |
| |
| inline unsigned GprsMs::nack_rate_dl() const |
| { |
| return m_nack_rate_dl; |
| } |
| |
| inline unsigned GprsMs::dl_ctrl_msg() const |
| { |
| return m_dl_ctrl_msg; |
| } |
| |
| inline void GprsMs::update_dl_ctrl_msg() |
| { |
| m_dl_ctrl_msg++; |
| } |
| |
| inline uint8_t GprsMs::reserved_dl_slots() const |
| { |
| return m_reserved_dl_slots; |
| } |
| |
| inline uint8_t GprsMs::reserved_ul_slots() const |
| { |
| return m_reserved_ul_slots; |
| } |
| |
| inline gprs_rlcmac_trx *GprsMs::current_trx() const |
| { |
| return m_current_trx; |
| } |