mirror of https://github.com/PentHertz/srsLTE.git
moved tti_sched_result out of carrier_sched. Removed interdependencies between the two classes. Simplified ra_sched and bc_sched initialization
This commit is contained in:
parent
7990e2f563
commit
6d4f746a61
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@ -33,113 +33,6 @@ class sched::carrier_sched
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{
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public:
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explicit carrier_sched(sched* sched_);
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class tti_sched_result_t : public dl_tti_sched_t, public ul_tti_sched_t
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{
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public:
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struct ctrl_alloc_t {
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size_t dci_idx;
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rbg_range_t rbg_range;
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uint16_t rnti;
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uint32_t req_bytes;
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alloc_type_t alloc_type;
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};
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struct rar_alloc_t : public ctrl_alloc_t {
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dl_sched_rar_t rar_grant;
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rar_alloc_t() = default;
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explicit rar_alloc_t(const ctrl_alloc_t& c) : ctrl_alloc_t(c) {}
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};
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struct bc_alloc_t : public ctrl_alloc_t {
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uint32_t rv = 0;
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uint32_t sib_idx = 0;
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bc_alloc_t() = default;
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explicit bc_alloc_t(const ctrl_alloc_t& c) : ctrl_alloc_t(c) {}
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};
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struct dl_alloc_t {
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size_t dci_idx;
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sched_ue* user_ptr;
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rbgmask_t user_mask;
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uint32_t pid;
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};
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struct ul_alloc_t {
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enum type_t { NEWTX, NOADAPT_RETX, ADAPT_RETX, MSG3 };
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size_t dci_idx;
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type_t type;
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sched_ue* user_ptr;
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ul_harq_proc::ul_alloc_t alloc;
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uint32_t mcs = 0;
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bool is_retx() const { return type == NOADAPT_RETX or type == ADAPT_RETX; }
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bool is_msg3() const { return type == MSG3; }
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bool needs_pdcch() const { return type == NEWTX or type == ADAPT_RETX; }
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};
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typedef std::pair<alloc_outcome_t, const rar_alloc_t*> rar_code_t;
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typedef std::pair<alloc_outcome_t, const ctrl_alloc_t> ctrl_code_t;
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// TTI scheduler result
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pdcch_mask_t pdcch_mask;
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sched_interface::dl_sched_res_t dl_sched_result;
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sched_interface::ul_sched_res_t ul_sched_result;
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void init(carrier_sched* carrier_);
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void new_tti(uint32_t tti_rx_, uint32_t start_cfi);
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alloc_outcome_t alloc_bc(uint32_t aggr_lvl, uint32_t sib_idx, uint32_t sib_ntx);
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alloc_outcome_t alloc_paging(uint32_t aggr_lvl, uint32_t paging_payload);
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rar_code_t alloc_rar(uint32_t aggr_lvl, const dl_sched_rar_t& rar_grant, uint32_t rar_tti, uint32_t buf_rar);
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void generate_dcis();
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// dl_tti_sched itf
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alloc_outcome_t alloc_dl_user(sched_ue* user, const rbgmask_t& user_mask, uint32_t pid) final;
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uint32_t get_tti_tx_dl() const final { return tti_params.tti_tx_dl; }
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uint32_t get_nof_ctrl_symbols() const final;
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const rbgmask_t& get_dl_mask() const final { return tti_alloc.get_dl_mask(); }
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// ul_tti_sched itf
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alloc_outcome_t alloc_ul_user(sched_ue* user, ul_harq_proc::ul_alloc_t alloc) final;
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alloc_outcome_t alloc_ul_msg3(sched_ue* user, ul_harq_proc::ul_alloc_t alloc, uint32_t mcs);
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const prbmask_t& get_ul_mask() const final { return tti_alloc.get_ul_mask(); }
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uint32_t get_tti_tx_ul() const final { return tti_params.tti_tx_ul; }
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// getters
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const pdcch_mask_t& get_pdcch_mask() const { return pdcch_mask; }
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rbgmask_t& get_dl_mask() { return tti_alloc.get_dl_mask(); }
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prbmask_t& get_ul_mask() { return tti_alloc.get_ul_mask(); }
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const std::vector<ul_alloc_t>& get_ul_allocs() const { return ul_data_allocs; }
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uint32_t get_cfi() const { return tti_alloc.get_cfi(); }
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uint32_t get_tti_rx() const { return tti_params.tti_rx; }
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uint32_t get_sfn() const { return tti_params.sfn; }
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uint32_t get_sf_idx() const { return tti_params.sf_idx; }
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private:
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bool is_dl_alloc(sched_ue* user) const final;
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bool is_ul_alloc(sched_ue* user) const final;
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ctrl_code_t alloc_dl_ctrl(uint32_t aggr_lvl, uint32_t tbs_bytes, uint16_t rnti);
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alloc_outcome_t alloc_ul(sched_ue* user,
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ul_harq_proc::ul_alloc_t alloc,
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tti_sched_result_t::ul_alloc_t::type_t alloc_type,
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uint32_t msg3 = 0);
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int generate_format1a(uint32_t rb_start,
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uint32_t l_crb,
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uint32_t tbs,
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uint32_t rv,
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uint16_t rnti,
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srslte_dci_dl_t* dci);
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void set_bc_sched_result(const pdcch_grid_t::alloc_result_t& dci_result);
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void set_rar_sched_result(const pdcch_grid_t::alloc_result_t& dci_result);
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void set_dl_data_sched_result(const pdcch_grid_t::alloc_result_t& dci_result);
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void set_ul_sched_result(const pdcch_grid_t::alloc_result_t& dci_result);
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// consts
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carrier_sched* parent_carrier = nullptr;
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sched_params_t* sched_params = nullptr;
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srslte::log* log_h = nullptr;
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// internal state
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tti_params_t tti_params{10241};
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tti_grid_t tti_alloc;
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std::vector<rar_alloc_t> rar_allocs;
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std::vector<bc_alloc_t> bc_allocs;
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std::vector<dl_alloc_t> data_allocs;
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std::vector<ul_alloc_t> ul_data_allocs;
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};
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void reset();
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void carrier_cfg();
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void set_metric(sched::metric_dl* dl_metric_, sched::metric_ul* ul_metric_);
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@ -147,7 +40,14 @@ public:
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tti_sched_result_t* generate_tti_result(uint32_t tti_rx);
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int dl_rach_info(dl_sched_rar_info_t rar_info);
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// private:
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// getters
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const ra_sched* get_ra_sched() const { return ra_sched_ptr.get(); }
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const tti_sched_result_t* get_tti_sched_view(uint32_t tti_rx) const
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{
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return &tti_scheds[tti_rx % tti_scheds.size()];
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}
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private:
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void generate_phich(tti_sched_result_t* tti_sched);
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//! Compute DL scheduler result for given TTI
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void alloc_dl_users(tti_sched_result_t* tti_result);
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@ -155,11 +55,11 @@ public:
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int alloc_ul_users(tti_sched_result_t* tti_sched);
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// args
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sched* sched_ptr = nullptr;
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srslte::log* log_h = nullptr;
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cell_cfg_t* cfg = nullptr;
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metric_dl* dl_metric = nullptr;
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metric_ul* ul_metric = nullptr;
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sched* sched_ptr = nullptr;
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const sched_params_t* sched_params = nullptr;
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srslte::log* log_h = nullptr;
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metric_dl* dl_metric = nullptr;
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metric_ul* ul_metric = nullptr;
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// derived from args
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prbmask_t prach_mask;
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@ -174,17 +74,15 @@ public:
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std::unique_ptr<ra_sched> ra_sched_ptr;
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// protects access to bc/ra schedulers and harqs
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std::mutex sched_mutex;
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std::mutex carrier_mutex;
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};
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//! Broadcast (SIB + paging) scheduler
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class bc_sched
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{
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public:
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explicit bc_sched(sched::cell_cfg_t* cfg_);
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void init(rrc_interface_mac* rrc_);
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void dl_sched(sched::carrier_sched::tti_sched_result_t* tti_sched);
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explicit bc_sched(const sched::cell_cfg_t& cfg_, rrc_interface_mac* rrc_);
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void dl_sched(tti_sched_result_t* tti_sched);
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void reset();
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private:
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@ -194,13 +92,13 @@ private:
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uint32_t n_tx = 0;
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};
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void update_si_windows(sched::carrier_sched::tti_sched_result_t* tti_sched);
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void alloc_sibs(sched::carrier_sched::tti_sched_result_t* tti_sched);
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void alloc_paging(sched::carrier_sched::tti_sched_result_t* tti_sched);
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void update_si_windows(tti_sched_result_t* tti_sched);
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void alloc_sibs(tti_sched_result_t* tti_sched);
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void alloc_paging(tti_sched_result_t* tti_sched);
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// args
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sched::cell_cfg_t* cfg;
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rrc_interface_mac* rrc = nullptr;
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const sched::cell_cfg_t* cfg;
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rrc_interface_mac* rrc = nullptr;
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std::array<sched_sib_t, sched_interface::MAX_SIBS> pending_sibs;
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@ -225,18 +123,17 @@ public:
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uint32_t mcs = 0;
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};
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explicit ra_sched(sched::cell_cfg_t* cfg_);
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void init(srslte::log* log_, std::map<uint16_t, sched_ue>& ue_db_);
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void dl_sched(sched::carrier_sched::tti_sched_result_t* tti_sched);
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void ul_sched(sched::carrier_sched::tti_sched_result_t* tti_sched);
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explicit ra_sched(const sched::cell_cfg_t& cfg_, srslte::log* log_, std::map<uint16_t, sched_ue>& ue_db_);
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void dl_sched(tti_sched_result_t* tti_sched);
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void ul_sched(tti_sched_result_t* tti_sched);
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int dl_rach_info(dl_sched_rar_info_t rar_info);
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void reset();
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const pending_msg3_t& find_pending_msg3(uint32_t tti);
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const pending_msg3_t& find_pending_msg3(uint32_t tti) const;
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private:
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// args
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srslte::log* log_h = nullptr;
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sched::cell_cfg_t* cfg;
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const sched::cell_cfg_t* cfg = nullptr;
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std::map<uint16_t, sched_ue>* ue_db = nullptr;
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std::queue<dl_sched_rar_info_t> pending_rars;
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@ -168,6 +168,116 @@ public:
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virtual bool is_ul_alloc(sched_ue* user) const = 0;
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};
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/** Description: Stores the RAR, broadcast, paging, DL data, UL data allocations for the given TTI
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* Converts the stored allocations' metadata to the scheduler UL/DL result
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* Handles the generation of DCI formats
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*/
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class tti_sched_result_t : public dl_tti_sched_t, public ul_tti_sched_t
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{
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public:
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struct ctrl_alloc_t {
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size_t dci_idx;
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rbg_range_t rbg_range;
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uint16_t rnti;
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uint32_t req_bytes;
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alloc_type_t alloc_type;
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};
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struct rar_alloc_t : public ctrl_alloc_t {
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sched_interface::dl_sched_rar_t rar_grant;
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rar_alloc_t() = default;
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explicit rar_alloc_t(const ctrl_alloc_t& c) : ctrl_alloc_t(c) {}
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};
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struct bc_alloc_t : public ctrl_alloc_t {
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uint32_t rv = 0;
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uint32_t sib_idx = 0;
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bc_alloc_t() = default;
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explicit bc_alloc_t(const ctrl_alloc_t& c) : ctrl_alloc_t(c) {}
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};
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struct dl_alloc_t {
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size_t dci_idx;
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sched_ue* user_ptr;
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rbgmask_t user_mask;
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uint32_t pid;
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};
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struct ul_alloc_t {
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enum type_t { NEWTX, NOADAPT_RETX, ADAPT_RETX, MSG3 };
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size_t dci_idx;
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type_t type;
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sched_ue* user_ptr;
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ul_harq_proc::ul_alloc_t alloc;
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uint32_t mcs = 0;
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bool is_retx() const { return type == NOADAPT_RETX or type == ADAPT_RETX; }
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bool is_msg3() const { return type == MSG3; }
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bool needs_pdcch() const { return type == NEWTX or type == ADAPT_RETX; }
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};
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typedef std::pair<alloc_outcome_t, const rar_alloc_t*> rar_code_t;
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typedef std::pair<alloc_outcome_t, const ctrl_alloc_t> ctrl_code_t;
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// TTI scheduler result
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pdcch_mask_t pdcch_mask;
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sched_interface::dl_sched_res_t dl_sched_result;
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sched_interface::ul_sched_res_t ul_sched_result;
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void init(const sched_params_t& sched_params_);
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void new_tti(uint32_t tti_rx_, uint32_t start_cfi);
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alloc_outcome_t alloc_bc(uint32_t aggr_lvl, uint32_t sib_idx, uint32_t sib_ntx);
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alloc_outcome_t alloc_paging(uint32_t aggr_lvl, uint32_t paging_payload);
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rar_code_t
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alloc_rar(uint32_t aggr_lvl, const sched_interface::dl_sched_rar_t& rar_grant, uint32_t rar_tti, uint32_t buf_rar);
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void generate_dcis();
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// dl_tti_sched itf
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alloc_outcome_t alloc_dl_user(sched_ue* user, const rbgmask_t& user_mask, uint32_t pid) final;
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uint32_t get_tti_tx_dl() const final { return tti_params.tti_tx_dl; }
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uint32_t get_nof_ctrl_symbols() const final;
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const rbgmask_t& get_dl_mask() const final { return tti_alloc.get_dl_mask(); }
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// ul_tti_sched itf
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alloc_outcome_t alloc_ul_user(sched_ue* user, ul_harq_proc::ul_alloc_t alloc) final;
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alloc_outcome_t alloc_ul_msg3(sched_ue* user, ul_harq_proc::ul_alloc_t alloc, uint32_t mcs);
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const prbmask_t& get_ul_mask() const final { return tti_alloc.get_ul_mask(); }
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uint32_t get_tti_tx_ul() const final { return tti_params.tti_tx_ul; }
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// getters
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const pdcch_mask_t& get_pdcch_mask() const { return pdcch_mask; }
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rbgmask_t& get_dl_mask() { return tti_alloc.get_dl_mask(); }
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prbmask_t& get_ul_mask() { return tti_alloc.get_ul_mask(); }
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const std::vector<ul_alloc_t>& get_ul_allocs() const { return ul_data_allocs; }
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uint32_t get_cfi() const { return tti_alloc.get_cfi(); }
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uint32_t get_tti_rx() const { return tti_params.tti_rx; }
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uint32_t get_sfn() const { return tti_params.sfn; }
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uint32_t get_sf_idx() const { return tti_params.sf_idx; }
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private:
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bool is_dl_alloc(sched_ue* user) const final;
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bool is_ul_alloc(sched_ue* user) const final;
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ctrl_code_t alloc_dl_ctrl(uint32_t aggr_lvl, uint32_t tbs_bytes, uint16_t rnti);
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alloc_outcome_t alloc_ul(sched_ue* user,
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ul_harq_proc::ul_alloc_t alloc,
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tti_sched_result_t::ul_alloc_t::type_t alloc_type,
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uint32_t msg3 = 0);
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int generate_format1a(uint32_t rb_start,
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uint32_t l_crb,
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uint32_t tbs,
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uint32_t rv,
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uint16_t rnti,
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srslte_dci_dl_t* dci);
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void set_bc_sched_result(const pdcch_grid_t::alloc_result_t& dci_result);
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void set_rar_sched_result(const pdcch_grid_t::alloc_result_t& dci_result);
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void set_dl_data_sched_result(const pdcch_grid_t::alloc_result_t& dci_result);
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void set_ul_sched_result(const pdcch_grid_t::alloc_result_t& dci_result);
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// consts
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const sched_params_t* sched_params = nullptr;
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srslte::log* log_h = nullptr;
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// internal state
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tti_params_t tti_params{10241};
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tti_grid_t tti_alloc;
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std::vector<rar_alloc_t> rar_allocs;
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std::vector<bc_alloc_t> bc_allocs;
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std::vector<dl_alloc_t> data_allocs;
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std::vector<ul_alloc_t> ul_data_allocs;
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};
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} // namespace srsenb
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#endif // SRSLTE_SCHEDULER_GRID_H
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@ -388,9 +388,11 @@ int sched::dl_sched(uint32_t tti, sched_interface::dl_sched_res_t* sched_result)
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current_tti = sched_utils::max_tti(current_tti, tti_rx);
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// Compute scheduling Result for tti_rx
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carrier_sched::tti_sched_result_t* tti_sched = carrier_schedulers[0]->generate_tti_result(tti_rx);
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pthread_rwlock_rdlock(&rwlock);
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tti_sched_result_t* tti_sched = carrier_schedulers[0]->generate_tti_result(tti_rx);
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pthread_rwlock_unlock(&rwlock);
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// copy result
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// Copy result
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*sched_result = tti_sched->dl_sched_result;
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return 0;
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@ -404,10 +406,12 @@ int sched::ul_sched(uint32_t tti, srsenb::sched_interface::ul_sched_res_t* sched
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}
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// Compute scheduling Result for tti_rx
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uint32_t tti_rx = sched_utils::tti_subtract(tti, 2 * FDD_HARQ_DELAY_MS);
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carrier_sched::tti_sched_result_t* tti_sched = carrier_schedulers[0]->generate_tti_result(tti_rx);
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uint32_t tti_rx = sched_utils::tti_subtract(tti, 2 * FDD_HARQ_DELAY_MS);
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pthread_rwlock_rdlock(&rwlock);
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tti_sched_result_t* tti_sched = carrier_schedulers[0]->generate_tti_result(tti_rx);
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pthread_rwlock_unlock(&rwlock);
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// Copy results
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// Copy result
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*sched_result = tti_sched->ul_sched_result;
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return SRSLTE_SUCCESS;
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@ -28,554 +28,13 @@
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namespace srsenb {
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/*******************************************************
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* TTI resource Scheduling Methods
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*******************************************************/
|
||||
|
||||
void sched::carrier_sched::tti_sched_result_t::init(carrier_sched* carrier_)
|
||||
{
|
||||
parent_carrier = carrier_;
|
||||
sched_params = &carrier_->sched_ptr->sched_params;
|
||||
log_h = sched_params->log_h;
|
||||
tti_alloc.init(*sched_params, 0);
|
||||
}
|
||||
|
||||
void sched::carrier_sched::tti_sched_result_t::new_tti(uint32_t tti_rx_, uint32_t start_cfi)
|
||||
{
|
||||
tti_params = tti_params_t{tti_rx_};
|
||||
tti_alloc.new_tti(tti_params, start_cfi);
|
||||
|
||||
// internal state
|
||||
rar_allocs.clear();
|
||||
bc_allocs.clear();
|
||||
data_allocs.clear();
|
||||
ul_data_allocs.clear();
|
||||
|
||||
// TTI result
|
||||
pdcch_mask.reset();
|
||||
pdcch_mask.resize(tti_alloc.get_pdcch_grid().nof_cces());
|
||||
bzero(&dl_sched_result, sizeof(dl_sched_result));
|
||||
bzero(&ul_sched_result, sizeof(ul_sched_result));
|
||||
}
|
||||
|
||||
bool sched::carrier_sched::tti_sched_result_t::is_dl_alloc(sched_ue* user) const
|
||||
{
|
||||
for (const auto& a : data_allocs) {
|
||||
if (a.user_ptr == user) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool sched::carrier_sched::tti_sched_result_t::is_ul_alloc(sched_ue* user) const
|
||||
{
|
||||
for (const auto& a : ul_data_allocs) {
|
||||
if (a.user_ptr == user) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
sched::carrier_sched::tti_sched_result_t::ctrl_code_t
|
||||
sched::carrier_sched::tti_sched_result_t::alloc_dl_ctrl(uint32_t aggr_lvl, uint32_t tbs_bytes, uint16_t rnti)
|
||||
{
|
||||
ctrl_alloc_t ctrl_alloc{};
|
||||
|
||||
// based on rnti, check which type of alloc
|
||||
alloc_type_t alloc_type = alloc_type_t::DL_RAR;
|
||||
if (rnti == SRSLTE_SIRNTI) {
|
||||
alloc_type = alloc_type_t::DL_BC;
|
||||
} else if (rnti == SRSLTE_PRNTI) {
|
||||
alloc_type = alloc_type_t::DL_PCCH;
|
||||
}
|
||||
|
||||
/* Allocate space in the DL RBG and PDCCH grids */
|
||||
tti_grid_t::dl_ctrl_alloc_t ret = tti_alloc.alloc_dl_ctrl(aggr_lvl, alloc_type);
|
||||
if (not ret.outcome) {
|
||||
return {ret.outcome, ctrl_alloc};
|
||||
}
|
||||
|
||||
// Allocation Successful
|
||||
ctrl_alloc.dci_idx = tti_alloc.get_pdcch_grid().nof_allocs() - 1;
|
||||
ctrl_alloc.rbg_range = ret.rbg_range;
|
||||
ctrl_alloc.rnti = rnti;
|
||||
ctrl_alloc.req_bytes = tbs_bytes;
|
||||
ctrl_alloc.alloc_type = alloc_type;
|
||||
|
||||
return {ret.outcome, ctrl_alloc};
|
||||
}
|
||||
|
||||
alloc_outcome_t
|
||||
sched::carrier_sched::tti_sched_result_t::alloc_bc(uint32_t aggr_lvl, uint32_t sib_idx, uint32_t sib_ntx)
|
||||
{
|
||||
uint32_t sib_len = sched_params->cfg->sibs[sib_idx].len;
|
||||
uint32_t rv = get_rvidx(sib_ntx);
|
||||
ctrl_code_t ret = alloc_dl_ctrl(aggr_lvl, sib_len, SRSLTE_SIRNTI);
|
||||
if (not ret.first) {
|
||||
Warning("SCHED: Could not allocate SIB=%d, L=%d, len=%d, cause=%s\n",
|
||||
sib_idx + 1,
|
||||
aggr_lvl,
|
||||
sib_len,
|
||||
ret.first.to_string());
|
||||
return ret.first;
|
||||
}
|
||||
|
||||
// BC allocation successful
|
||||
bc_alloc_t bc_alloc(ret.second);
|
||||
bc_alloc.rv = rv;
|
||||
bc_alloc.sib_idx = sib_idx;
|
||||
bc_allocs.push_back(bc_alloc);
|
||||
|
||||
return ret.first;
|
||||
}
|
||||
|
||||
alloc_outcome_t sched::carrier_sched::tti_sched_result_t::alloc_paging(uint32_t aggr_lvl, uint32_t paging_payload)
|
||||
{
|
||||
ctrl_code_t ret = alloc_dl_ctrl(aggr_lvl, paging_payload, SRSLTE_PRNTI);
|
||||
if (not ret.first) {
|
||||
Warning(
|
||||
"SCHED: Could not allocate Paging with payload length=%d, cause=%s\n", paging_payload, ret.first.to_string());
|
||||
return ret.first;
|
||||
}
|
||||
|
||||
// Paging allocation successful
|
||||
bc_alloc_t bc_alloc(ret.second);
|
||||
bc_allocs.push_back(bc_alloc);
|
||||
|
||||
return ret.first;
|
||||
}
|
||||
|
||||
sched::carrier_sched::tti_sched_result_t::rar_code_t
|
||||
sched::carrier_sched::tti_sched_result_t::alloc_rar(uint32_t aggr_lvl,
|
||||
const dl_sched_rar_t& rar_grant,
|
||||
uint32_t prach_tti,
|
||||
uint32_t buf_rar)
|
||||
{
|
||||
// RA-RNTI = 1 + t_id + f_id
|
||||
// t_id = index of first subframe specified by PRACH (0<=t_id<10)
|
||||
// f_id = index of the PRACH within subframe, in ascending order of freq domain (0<=f_id<6) (for FDD, f_id=0)
|
||||
uint16_t ra_rnti = 1 + (uint16_t)(prach_tti % 10);
|
||||
|
||||
ctrl_code_t ret = alloc_dl_ctrl(aggr_lvl, buf_rar, ra_rnti);
|
||||
if (not ret.first) {
|
||||
Warning("SCHED: Could not allocate RAR for L=%d, cause=%s\n", aggr_lvl, ret.first.to_string());
|
||||
return {ret.first, nullptr};
|
||||
}
|
||||
|
||||
// Allocation successful
|
||||
rar_alloc_t rar_alloc(ret.second);
|
||||
rar_alloc.rar_grant = rar_grant;
|
||||
rar_allocs.push_back(rar_alloc);
|
||||
|
||||
return {ret.first, &rar_allocs.back()};
|
||||
}
|
||||
|
||||
alloc_outcome_t
|
||||
sched::carrier_sched::tti_sched_result_t::alloc_dl_user(sched_ue* user, const rbgmask_t& user_mask, uint32_t pid)
|
||||
{
|
||||
if (is_dl_alloc(user)) {
|
||||
log_h->warning("SCHED: Attempt to assign multiple harq pids to the same user rnti=0x%x\n", user->get_rnti());
|
||||
return alloc_outcome_t::ERROR;
|
||||
}
|
||||
|
||||
// Try to allocate RBGs and DCI
|
||||
alloc_outcome_t ret = tti_alloc.alloc_dl_data(user, user_mask);
|
||||
if (ret != alloc_outcome_t::SUCCESS) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
// Allocation Successful
|
||||
dl_alloc_t alloc;
|
||||
alloc.dci_idx = tti_alloc.get_pdcch_grid().nof_allocs() - 1;
|
||||
alloc.user_ptr = user;
|
||||
alloc.user_mask = user_mask;
|
||||
alloc.pid = pid;
|
||||
data_allocs.push_back(alloc);
|
||||
|
||||
return alloc_outcome_t::SUCCESS;
|
||||
}
|
||||
|
||||
alloc_outcome_t sched::carrier_sched::tti_sched_result_t::alloc_ul(sched_ue* user,
|
||||
ul_harq_proc::ul_alloc_t alloc,
|
||||
tti_sched_result_t::ul_alloc_t::type_t alloc_type,
|
||||
uint32_t mcs)
|
||||
{
|
||||
// Check whether user was already allocated
|
||||
if (is_ul_alloc(user)) {
|
||||
log_h->warning("SCHED: Attempt to assign multiple ul_harq_proc to the same user rnti=0x%x\n", user->get_rnti());
|
||||
return alloc_outcome_t::ERROR;
|
||||
}
|
||||
|
||||
// Allocate RBGs and DCI space
|
||||
bool needs_pdcch = alloc_type == ul_alloc_t::ADAPT_RETX or alloc_type == ul_alloc_t::NEWTX;
|
||||
alloc_outcome_t ret = tti_alloc.alloc_ul_data(user, alloc, needs_pdcch);
|
||||
if (ret != alloc_outcome_t::SUCCESS) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
ul_alloc_t ul_alloc = {};
|
||||
ul_alloc.type = alloc_type;
|
||||
ul_alloc.dci_idx = tti_alloc.get_pdcch_grid().nof_allocs() - 1;
|
||||
ul_alloc.user_ptr = user;
|
||||
ul_alloc.alloc = alloc;
|
||||
ul_alloc.mcs = mcs;
|
||||
ul_data_allocs.push_back(ul_alloc);
|
||||
|
||||
return alloc_outcome_t::SUCCESS;
|
||||
}
|
||||
|
||||
alloc_outcome_t sched::carrier_sched::tti_sched_result_t::alloc_ul_user(sched_ue* user, ul_harq_proc::ul_alloc_t alloc)
|
||||
{
|
||||
// check whether adaptive/non-adaptive retx/newtx
|
||||
tti_sched_result_t::ul_alloc_t::type_t alloc_type;
|
||||
ul_harq_proc* h = user->get_ul_harq(get_tti_tx_ul());
|
||||
bool has_retx = h->has_pending_retx();
|
||||
if (has_retx) {
|
||||
ul_harq_proc::ul_alloc_t prev_alloc = h->get_alloc();
|
||||
if (prev_alloc.L == alloc.L and prev_alloc.RB_start == prev_alloc.L) {
|
||||
alloc_type = ul_alloc_t::NOADAPT_RETX;
|
||||
} else {
|
||||
alloc_type = ul_alloc_t::ADAPT_RETX;
|
||||
}
|
||||
} else {
|
||||
alloc_type = ul_alloc_t::NEWTX;
|
||||
}
|
||||
|
||||
return alloc_ul(user, alloc, alloc_type);
|
||||
}
|
||||
|
||||
alloc_outcome_t
|
||||
sched::carrier_sched::tti_sched_result_t::alloc_ul_msg3(sched_ue* user, ul_harq_proc::ul_alloc_t alloc, uint32_t mcs)
|
||||
{
|
||||
return alloc_ul(user, alloc, ul_alloc_t::MSG3, mcs);
|
||||
}
|
||||
|
||||
void sched::carrier_sched::tti_sched_result_t::set_bc_sched_result(const pdcch_grid_t::alloc_result_t& dci_result)
|
||||
{
|
||||
for (const auto& bc_alloc : bc_allocs) {
|
||||
sched_interface::dl_sched_bc_t* bc = &dl_sched_result.bc[dl_sched_result.nof_bc_elems];
|
||||
|
||||
// assign NCCE/L
|
||||
bc->dci.location = dci_result[bc_alloc.dci_idx]->dci_pos;
|
||||
|
||||
/* Generate DCI format1A */
|
||||
prb_range_t prb_range = prb_range_t(bc_alloc.rbg_range, sched_params->P);
|
||||
int tbs = generate_format1a(
|
||||
prb_range.prb_start, prb_range.length(), bc_alloc.req_bytes, bc_alloc.rv, bc_alloc.rnti, &bc->dci);
|
||||
|
||||
// Setup BC/Paging processes
|
||||
if (bc_alloc.alloc_type == alloc_type_t::DL_BC) {
|
||||
if (tbs <= (int)bc_alloc.req_bytes) {
|
||||
log_h->warning("SCHED: Error SIB%d, rbgs=(%d,%d), dci=(%d,%d), len=%d\n",
|
||||
bc_alloc.sib_idx + 1,
|
||||
bc_alloc.rbg_range.rbg_start,
|
||||
bc_alloc.rbg_range.rbg_end,
|
||||
bc->dci.location.L,
|
||||
bc->dci.location.ncce,
|
||||
bc_alloc.req_bytes);
|
||||
continue;
|
||||
}
|
||||
|
||||
// Setup BC process
|
||||
bc->index = bc_alloc.sib_idx;
|
||||
bc->type = sched_interface::dl_sched_bc_t::BCCH;
|
||||
bc->tbs = (uint32_t)bc_alloc.req_bytes;
|
||||
|
||||
log_h->info("SCHED: SIB%d, rbgs=(%d,%d), dci=(%d,%d), rv=%d, len=%d, period=%d, mcs=%d\n",
|
||||
bc_alloc.sib_idx + 1,
|
||||
bc_alloc.rbg_range.rbg_start,
|
||||
bc_alloc.rbg_range.rbg_end,
|
||||
bc->dci.location.L,
|
||||
bc->dci.location.ncce,
|
||||
bc_alloc.rv,
|
||||
bc_alloc.req_bytes,
|
||||
sched_params->cfg->sibs[bc_alloc.sib_idx].period_rf,
|
||||
bc->dci.tb[0].mcs_idx);
|
||||
} else {
|
||||
// Paging
|
||||
if (tbs <= 0) {
|
||||
log_h->warning("SCHED: Error Paging, rbgs=(%d,%d), dci=(%d,%d)\n",
|
||||
bc_alloc.rbg_range.rbg_start,
|
||||
bc_alloc.rbg_range.rbg_end,
|
||||
bc->dci.location.L,
|
||||
bc->dci.location.ncce);
|
||||
continue;
|
||||
}
|
||||
|
||||
// Setup Paging process
|
||||
bc->type = sched_interface::dl_sched_bc_t::PCCH;
|
||||
bc->tbs = (uint32_t)tbs;
|
||||
|
||||
log_h->info("SCHED: PCH, rbgs=(%d,%d), dci=(%d,%d), tbs=%d, mcs=%d\n",
|
||||
bc_alloc.rbg_range.rbg_start,
|
||||
bc_alloc.rbg_range.rbg_end,
|
||||
bc->dci.location.L,
|
||||
bc->dci.location.ncce,
|
||||
tbs,
|
||||
bc->dci.tb[0].mcs_idx);
|
||||
}
|
||||
|
||||
dl_sched_result.nof_bc_elems++;
|
||||
}
|
||||
}
|
||||
|
||||
void sched::carrier_sched::tti_sched_result_t::set_rar_sched_result(const pdcch_grid_t::alloc_result_t& dci_result)
|
||||
{
|
||||
for (const auto& rar_alloc : rar_allocs) {
|
||||
sched_interface::dl_sched_rar_t* rar = &dl_sched_result.rar[dl_sched_result.nof_rar_elems];
|
||||
|
||||
// Assign NCCE/L
|
||||
rar->dci.location = dci_result[rar_alloc.dci_idx]->dci_pos;
|
||||
|
||||
/* Generate DCI format1A */
|
||||
prb_range_t prb_range = prb_range_t(rar_alloc.rbg_range, sched_params->P);
|
||||
int tbs =
|
||||
generate_format1a(prb_range.prb_start, prb_range.length(), rar_alloc.req_bytes, 0, rar_alloc.rnti, &rar->dci);
|
||||
if (tbs <= 0) {
|
||||
log_h->warning("SCHED: Error RAR, ra_rnti_idx=%d, rbgs=(%d,%d), dci=(%d,%d)\n",
|
||||
rar_alloc.rnti,
|
||||
rar_alloc.rbg_range.rbg_start,
|
||||
rar_alloc.rbg_range.rbg_end,
|
||||
rar->dci.location.L,
|
||||
rar->dci.location.ncce);
|
||||
continue;
|
||||
}
|
||||
|
||||
// Setup RAR process
|
||||
rar->tbs = rar_alloc.req_bytes;
|
||||
rar->nof_grants = rar_alloc.rar_grant.nof_grants;
|
||||
memcpy(rar->msg3_grant, rar_alloc.rar_grant.msg3_grant, sizeof(dl_sched_rar_grant_t) * rar->nof_grants);
|
||||
|
||||
// Print RAR allocation result
|
||||
for (uint32_t i = 0; i < rar->nof_grants; ++i) {
|
||||
const auto& msg3_grant = rar->msg3_grant[i];
|
||||
uint16_t expected_rnti =
|
||||
parent_carrier->ra_sched_ptr->find_pending_msg3(get_tti_tx_dl() + MSG3_DELAY_MS + TX_DELAY).rnti;
|
||||
log_h->info("SCHED: RAR, temp_crnti=0x%x, ra-rnti=%d, rbgs=(%d,%d), dci=(%d,%d), rar_grant_rba=%d, "
|
||||
"rar_grant_mcs=%d\n",
|
||||
expected_rnti,
|
||||
rar_alloc.rnti,
|
||||
rar_alloc.rbg_range.rbg_start,
|
||||
rar_alloc.rbg_range.rbg_end,
|
||||
rar->dci.location.L,
|
||||
rar->dci.location.ncce,
|
||||
msg3_grant.grant.rba,
|
||||
msg3_grant.grant.trunc_mcs);
|
||||
}
|
||||
|
||||
dl_sched_result.nof_rar_elems++;
|
||||
}
|
||||
}
|
||||
|
||||
void sched::carrier_sched::tti_sched_result_t::set_dl_data_sched_result(const pdcch_grid_t::alloc_result_t& dci_result)
|
||||
{
|
||||
for (const auto& data_alloc : data_allocs) {
|
||||
sched_interface::dl_sched_data_t* data = &dl_sched_result.data[dl_sched_result.nof_data_elems];
|
||||
|
||||
// Assign NCCE/L
|
||||
data->dci.location = dci_result[data_alloc.dci_idx]->dci_pos;
|
||||
|
||||
// Generate DCI Format1/2/2A
|
||||
sched_ue* user = data_alloc.user_ptr;
|
||||
dl_harq_proc* h = user->get_dl_harq(data_alloc.pid);
|
||||
uint32_t data_before = user->get_pending_dl_new_data(get_tti_tx_dl());
|
||||
srslte_dci_format_t dci_format = user->get_dci_format();
|
||||
bool is_newtx = h->is_empty();
|
||||
|
||||
int tbs = 0;
|
||||
switch (dci_format) {
|
||||
case SRSLTE_DCI_FORMAT1:
|
||||
tbs = user->generate_format1(h, data, get_tti_tx_dl(), get_cfi(), data_alloc.user_mask);
|
||||
break;
|
||||
case SRSLTE_DCI_FORMAT2:
|
||||
tbs = user->generate_format2(h, data, get_tti_tx_dl(), get_cfi(), data_alloc.user_mask);
|
||||
break;
|
||||
case SRSLTE_DCI_FORMAT2A:
|
||||
tbs = user->generate_format2a(h, data, get_tti_tx_dl(), get_cfi(), data_alloc.user_mask);
|
||||
break;
|
||||
default:
|
||||
Error("DCI format (%d) not implemented\n", dci_format);
|
||||
}
|
||||
|
||||
if (tbs <= 0) {
|
||||
log_h->warning("SCHED: Error DL %s rnti=0x%x, pid=%d, mask=%s, tbs=%d, buffer=%d\n",
|
||||
is_newtx ? "tx" : "retx",
|
||||
user->get_rnti(),
|
||||
h->get_id(),
|
||||
data_alloc.user_mask.to_hex().c_str(),
|
||||
tbs,
|
||||
user->get_pending_dl_new_data(get_tti_tx_dl()));
|
||||
continue;
|
||||
}
|
||||
|
||||
// Print Resulting DL Allocation
|
||||
log_h->info("SCHED: DL %s rnti=0x%x, pid=%d, mask=0x%s, dci=(%d,%d), n_rtx=%d, tbs=%d, buffer=%d/%d\n",
|
||||
!is_newtx ? "retx" : "tx",
|
||||
user->get_rnti(),
|
||||
h->get_id(),
|
||||
data_alloc.user_mask.to_hex().c_str(),
|
||||
data->dci.location.L,
|
||||
data->dci.location.ncce,
|
||||
h->nof_retx(0) + h->nof_retx(1),
|
||||
tbs,
|
||||
data_before,
|
||||
user->get_pending_dl_new_data(get_tti_tx_dl()));
|
||||
|
||||
dl_sched_result.nof_data_elems++;
|
||||
}
|
||||
}
|
||||
|
||||
void sched::carrier_sched::tti_sched_result_t::set_ul_sched_result(const pdcch_grid_t::alloc_result_t& dci_result)
|
||||
{
|
||||
/* Set UL data DCI locs and format */
|
||||
for (const auto& ul_alloc : ul_data_allocs) {
|
||||
sched_interface::ul_sched_data_t* pusch = &ul_sched_result.pusch[ul_sched_result.nof_dci_elems];
|
||||
|
||||
sched_ue* user = ul_alloc.user_ptr;
|
||||
|
||||
srslte_dci_location_t cce_range = {0, 0};
|
||||
if (ul_alloc.needs_pdcch()) {
|
||||
cce_range = dci_result[ul_alloc.dci_idx]->dci_pos;
|
||||
}
|
||||
|
||||
/* Set fixed mcs if specified */
|
||||
int fixed_mcs = (ul_alloc.type == ul_alloc_t::MSG3) ? ul_alloc.mcs : -1;
|
||||
|
||||
/* Generate DCI Format1A */
|
||||
uint32_t pending_data_before = user->get_pending_ul_new_data(get_tti_tx_ul());
|
||||
int tbs =
|
||||
user->generate_format0(pusch, get_tti_tx_ul(), ul_alloc.alloc, ul_alloc.needs_pdcch(), cce_range, fixed_mcs);
|
||||
|
||||
ul_harq_proc* h = user->get_ul_harq(get_tti_tx_ul());
|
||||
if (tbs <= 0) {
|
||||
log_h->warning("SCHED: Error %s %s rnti=0x%x, pid=%d, dci=(%d,%d), prb=(%d,%d), tbs=%d, bsr=%d\n",
|
||||
ul_alloc.type == ul_alloc_t::MSG3 ? "Msg3" : "UL",
|
||||
ul_alloc.is_retx() ? "retx" : "tx",
|
||||
user->get_rnti(),
|
||||
h->get_id(),
|
||||
pusch->dci.location.L,
|
||||
pusch->dci.location.ncce,
|
||||
ul_alloc.alloc.RB_start,
|
||||
ul_alloc.alloc.RB_start + ul_alloc.alloc.L,
|
||||
tbs,
|
||||
user->get_pending_ul_new_data(get_tti_tx_ul()));
|
||||
continue;
|
||||
}
|
||||
|
||||
// Allocation was successful
|
||||
if (ul_alloc.type == ul_alloc_t::NEWTX) {
|
||||
// Un-trigger SR
|
||||
user->unset_sr();
|
||||
}
|
||||
|
||||
// Print Resulting UL Allocation
|
||||
log_h->info("SCHED: %s %s rnti=0x%x, pid=%d, dci=(%d,%d), prb=(%d,%d), n_rtx=%d, tbs=%d, bsr=%d (%d-%d)\n",
|
||||
ul_alloc.is_msg3() ? "Msg3" : "UL",
|
||||
ul_alloc.is_retx() ? "retx" : "tx",
|
||||
user->get_rnti(),
|
||||
h->get_id(),
|
||||
pusch->dci.location.L,
|
||||
pusch->dci.location.ncce,
|
||||
ul_alloc.alloc.RB_start,
|
||||
ul_alloc.alloc.RB_start + ul_alloc.alloc.L,
|
||||
h->nof_retx(0),
|
||||
tbs,
|
||||
user->get_pending_ul_new_data(get_tti_tx_ul()),
|
||||
pending_data_before,
|
||||
user->get_pending_ul_old_data());
|
||||
|
||||
ul_sched_result.nof_dci_elems++;
|
||||
}
|
||||
}
|
||||
|
||||
void sched::carrier_sched::tti_sched_result_t::generate_dcis()
|
||||
{
|
||||
/* Pick one of the possible DCI masks */
|
||||
pdcch_grid_t::alloc_result_t dci_result;
|
||||
// tti_alloc.get_pdcch_grid().result_to_string();
|
||||
tti_alloc.get_pdcch_grid().get_allocs(&dci_result, &pdcch_mask);
|
||||
|
||||
/* Register final CFI */
|
||||
dl_sched_result.cfi = tti_alloc.get_pdcch_grid().get_cfi();
|
||||
|
||||
/* Generate DCI formats and fill sched_result structs */
|
||||
set_bc_sched_result(dci_result);
|
||||
|
||||
set_rar_sched_result(dci_result);
|
||||
|
||||
set_dl_data_sched_result(dci_result);
|
||||
|
||||
set_ul_sched_result(dci_result);
|
||||
}
|
||||
|
||||
uint32_t sched::carrier_sched::tti_sched_result_t::get_nof_ctrl_symbols() const
|
||||
{
|
||||
return tti_alloc.get_cfi() + ((sched_params->cfg->cell.nof_prb <= 10) ? 1 : 0);
|
||||
}
|
||||
|
||||
int sched::carrier_sched::tti_sched_result_t::generate_format1a(uint32_t rb_start,
|
||||
uint32_t l_crb,
|
||||
uint32_t tbs_bytes,
|
||||
uint32_t rv,
|
||||
uint16_t rnti,
|
||||
srslte_dci_dl_t* dci)
|
||||
{
|
||||
/* Calculate I_tbs for this TBS */
|
||||
int tbs = tbs_bytes * 8;
|
||||
int i;
|
||||
int mcs = -1;
|
||||
for (i = 0; i < 27; i++) {
|
||||
if (srslte_ra_tbs_from_idx(i, 2) >= tbs) {
|
||||
dci->type2_alloc.n_prb1a = srslte_ra_type2_t::SRSLTE_RA_TYPE2_NPRB1A_2;
|
||||
mcs = i;
|
||||
tbs = srslte_ra_tbs_from_idx(i, 2);
|
||||
break;
|
||||
}
|
||||
if (srslte_ra_tbs_from_idx(i, 3) >= tbs) {
|
||||
dci->type2_alloc.n_prb1a = srslte_ra_type2_t::SRSLTE_RA_TYPE2_NPRB1A_3;
|
||||
mcs = i;
|
||||
tbs = srslte_ra_tbs_from_idx(i, 3);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (i == 28) {
|
||||
Error("Can't allocate Format 1A for TBS=%d\n", tbs);
|
||||
return -1;
|
||||
}
|
||||
|
||||
Debug("ra_tbs=%d/%d, tbs_bytes=%d, tbs=%d, mcs=%d\n",
|
||||
srslte_ra_tbs_from_idx(mcs, 2),
|
||||
srslte_ra_tbs_from_idx(mcs, 3),
|
||||
tbs_bytes,
|
||||
tbs,
|
||||
mcs);
|
||||
|
||||
dci->alloc_type = SRSLTE_RA_ALLOC_TYPE2;
|
||||
dci->type2_alloc.mode = srslte_ra_type2_t::SRSLTE_RA_TYPE2_LOC;
|
||||
dci->type2_alloc.riv = srslte_ra_type2_to_riv(l_crb, rb_start, sched_params->cfg->cell.nof_prb);
|
||||
dci->pid = 0;
|
||||
dci->tb[0].mcs_idx = mcs;
|
||||
dci->tb[0].rv = rv;
|
||||
dci->format = SRSLTE_DCI_FORMAT1A;
|
||||
dci->rnti = rnti;
|
||||
|
||||
return tbs;
|
||||
}
|
||||
|
||||
/*******************************************************
|
||||
* Broadcast (SIB+Paging) scheduling
|
||||
*******************************************************/
|
||||
|
||||
bc_sched::bc_sched(sched::cell_cfg_t* cfg_) : cfg(cfg_) {}
|
||||
bc_sched::bc_sched(const sched::cell_cfg_t& cfg_, srsenb::rrc_interface_mac* rrc_) : cfg(&cfg_), rrc(rrc_) {}
|
||||
|
||||
void bc_sched::init(srsenb::rrc_interface_mac* rrc_)
|
||||
{
|
||||
rrc = rrc_;
|
||||
}
|
||||
|
||||
void bc_sched::dl_sched(sched::carrier_sched::tti_sched_result_t* tti_sched)
|
||||
void bc_sched::dl_sched(tti_sched_result_t* tti_sched)
|
||||
{
|
||||
current_sf_idx = tti_sched->get_sf_idx();
|
||||
current_sfn = tti_sched->get_sfn();
|
||||
|
@ -593,7 +52,7 @@ void bc_sched::dl_sched(sched::carrier_sched::tti_sched_result_t* tti_sched)
|
|||
alloc_paging(tti_sched);
|
||||
}
|
||||
|
||||
void bc_sched::update_si_windows(sched::carrier_sched::tti_sched_result_t* tti_sched)
|
||||
void bc_sched::update_si_windows(tti_sched_result_t* tti_sched)
|
||||
{
|
||||
uint32_t tti_tx_dl = tti_sched->get_tti_tx_dl();
|
||||
|
||||
|
@ -631,7 +90,7 @@ void bc_sched::update_si_windows(sched::carrier_sched::tti_sched_result_t* tti_s
|
|||
}
|
||||
}
|
||||
|
||||
void bc_sched::alloc_sibs(sched::carrier_sched::tti_sched_result_t* tti_sched)
|
||||
void bc_sched::alloc_sibs(tti_sched_result_t* tti_sched)
|
||||
{
|
||||
for (uint32_t i = 0; i < pending_sibs.size(); i++) {
|
||||
if (cfg->sibs[i].len > 0 and pending_sibs[i].is_in_window and pending_sibs[i].n_tx < 4) {
|
||||
|
@ -653,7 +112,7 @@ void bc_sched::alloc_sibs(sched::carrier_sched::tti_sched_result_t* tti_sched)
|
|||
}
|
||||
}
|
||||
|
||||
void bc_sched::alloc_paging(sched::carrier_sched::tti_sched_result_t* tti_sched)
|
||||
void bc_sched::alloc_paging(tti_sched_result_t* tti_sched)
|
||||
{
|
||||
/* Allocate DCIs and RBGs for paging */
|
||||
if (rrc != nullptr) {
|
||||
|
@ -675,18 +134,17 @@ void bc_sched::reset()
|
|||
* RAR scheduling
|
||||
*******************************************************/
|
||||
|
||||
ra_sched::ra_sched(sched::cell_cfg_t* cfg_) : cfg(cfg_) {}
|
||||
|
||||
void ra_sched::init(srslte::log* log_, std::map<uint16_t, sched_ue>& ue_db_)
|
||||
ra_sched::ra_sched(const sched::cell_cfg_t& cfg_, srslte::log* log_, std::map<uint16_t, sched_ue>& ue_db_) :
|
||||
cfg(&cfg_),
|
||||
log_h(log_),
|
||||
ue_db(&ue_db_)
|
||||
{
|
||||
log_h = log_;
|
||||
ue_db = &ue_db_;
|
||||
}
|
||||
|
||||
// Schedules RAR
|
||||
// On every call to this function, we schedule the oldest RAR which is still within the window. If outside the window we
|
||||
// discard it.
|
||||
void ra_sched::dl_sched(srsenb::sched::carrier_sched::tti_sched_result_t* tti_sched)
|
||||
void ra_sched::dl_sched(srsenb::tti_sched_result_t* tti_sched)
|
||||
{
|
||||
tti_tx_dl = tti_sched->get_tti_tx_dl();
|
||||
rar_aggr_level = 2;
|
||||
|
@ -730,11 +188,10 @@ void ra_sched::dl_sched(srsenb::sched::carrier_sched::tti_sched_result_t* tti_sc
|
|||
rar_grant.nof_grants++;
|
||||
|
||||
// Try to schedule DCI + RBGs for RAR Grant
|
||||
sched::carrier_sched::tti_sched_result_t::rar_code_t ret =
|
||||
tti_sched->alloc_rar(rar_aggr_level,
|
||||
rar_grant,
|
||||
rar.prach_tti,
|
||||
7 * rar_grant.nof_grants); // fixme: check RAR size
|
||||
tti_sched_result_t::rar_code_t ret = tti_sched->alloc_rar(rar_aggr_level,
|
||||
rar_grant,
|
||||
rar.prach_tti,
|
||||
7 * rar_grant.nof_grants); // fixme: check RAR size
|
||||
|
||||
// If we can allocate, schedule Msg3 and remove from pending
|
||||
if (!ret.first) {
|
||||
|
@ -760,7 +217,7 @@ void ra_sched::dl_sched(srsenb::sched::carrier_sched::tti_sched_result_t* tti_sc
|
|||
}
|
||||
|
||||
// Schedules Msg3
|
||||
void ra_sched::ul_sched(sched::carrier_sched::tti_sched_result_t* tti_sched)
|
||||
void ra_sched::ul_sched(tti_sched_result_t* tti_sched)
|
||||
{
|
||||
uint32_t pending_tti = tti_sched->get_tti_tx_ul() % TTIMOD_SZ;
|
||||
|
||||
|
@ -808,7 +265,7 @@ void ra_sched::reset()
|
|||
}
|
||||
}
|
||||
|
||||
const ra_sched::pending_msg3_t& ra_sched::find_pending_msg3(uint32_t tti)
|
||||
const ra_sched::pending_msg3_t& ra_sched::find_pending_msg3(uint32_t tti) const
|
||||
{
|
||||
uint32_t pending_tti = tti % TTIMOD_SZ;
|
||||
return pending_msg3[pending_tti];
|
||||
|
@ -818,48 +275,46 @@ const ra_sched::pending_msg3_t& ra_sched::find_pending_msg3(uint32_t tti)
|
|||
* Carrier scheduling
|
||||
*******************************************************/
|
||||
|
||||
sched::carrier_sched::carrier_sched(sched* sched_) : sched_ptr(sched_), cfg(&sched_->cfg)
|
||||
sched::carrier_sched::carrier_sched(sched* sched_) : sched_ptr(sched_)
|
||||
{
|
||||
bc_sched_ptr.reset(new bc_sched{cfg});
|
||||
ra_sched_ptr.reset(new ra_sched{cfg});
|
||||
tti_dl_mask.resize(1, 0);
|
||||
}
|
||||
|
||||
void sched::carrier_sched::reset()
|
||||
{
|
||||
std::lock_guard<std::mutex> lock(sched_mutex);
|
||||
if (ra_sched_ptr != nullptr) {
|
||||
ra_sched_ptr->reset();
|
||||
}
|
||||
if (bc_sched_ptr != nullptr) {
|
||||
bc_sched_ptr->reset();
|
||||
}
|
||||
std::lock_guard<std::mutex> lock(carrier_mutex);
|
||||
ra_sched_ptr.reset();
|
||||
bc_sched_ptr.reset();
|
||||
}
|
||||
|
||||
void sched::carrier_sched::carrier_cfg()
|
||||
{
|
||||
// sched::cfg is now fully set
|
||||
log_h = sched_ptr->log_h;
|
||||
tti_dl_mask.resize(10, 0);
|
||||
sched_params = &sched_ptr->sched_params;
|
||||
log_h = sched_params->log_h;
|
||||
|
||||
const cell_cfg_t* cfg_ = sched_params->cfg;
|
||||
std::lock_guard<std::mutex> lock(carrier_mutex);
|
||||
|
||||
// init Broadcast/RA schedulers
|
||||
bc_sched_ptr->init(sched_ptr->rrc);
|
||||
ra_sched_ptr->init(log_h, sched_ptr->ue_db);
|
||||
bc_sched_ptr.reset(new bc_sched{*sched_params->cfg, sched_ptr->rrc});
|
||||
ra_sched_ptr.reset(new ra_sched{*sched_params->cfg, log_h, sched_ptr->ue_db});
|
||||
|
||||
dl_metric->set_log(log_h);
|
||||
ul_metric->set_log(log_h);
|
||||
|
||||
// Setup constant PUCCH/PRACH mask
|
||||
pucch_mask.resize(cfg->cell.nof_prb);
|
||||
if (cfg->nrb_pucch > 0) {
|
||||
pucch_mask.fill(0, (uint32_t)cfg->nrb_pucch);
|
||||
pucch_mask.fill(cfg->cell.nof_prb - cfg->nrb_pucch, cfg->cell.nof_prb);
|
||||
pucch_mask.resize(cfg_->cell.nof_prb);
|
||||
if (cfg_->nrb_pucch > 0) {
|
||||
pucch_mask.fill(0, (uint32_t)cfg_->nrb_pucch);
|
||||
pucch_mask.fill(cfg_->cell.nof_prb - cfg_->nrb_pucch, cfg_->cell.nof_prb);
|
||||
}
|
||||
prach_mask.resize(cfg->cell.nof_prb);
|
||||
prach_mask.fill(cfg->prach_freq_offset, cfg->prach_freq_offset + 6);
|
||||
prach_mask.resize(cfg_->cell.nof_prb);
|
||||
prach_mask.fill(cfg_->prach_freq_offset, cfg_->prach_freq_offset + 6);
|
||||
|
||||
// Initiate the tti_scheduler for each TTI
|
||||
for (tti_sched_result_t& tti_sched : tti_scheds) {
|
||||
tti_sched.init(this);
|
||||
tti_sched.init(*sched_params);
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -874,18 +329,17 @@ void sched::carrier_sched::set_dl_tti_mask(uint8_t* tti_mask, uint32_t nof_sfs)
|
|||
tti_dl_mask.assign(tti_mask, tti_mask + nof_sfs);
|
||||
}
|
||||
|
||||
sched::carrier_sched::tti_sched_result_t* sched::carrier_sched::generate_tti_result(uint32_t tti_rx)
|
||||
tti_sched_result_t* sched::carrier_sched::generate_tti_result(uint32_t tti_rx)
|
||||
{
|
||||
tti_sched_result_t* tti_sched = get_tti_sched(tti_rx);
|
||||
|
||||
// if it is the first time tti is run, reset vars
|
||||
if (tti_rx != tti_sched->get_tti_rx()) {
|
||||
uint32_t start_cfi = sched_ptr->sched_params.sched_cfg.nof_ctrl_symbols;
|
||||
uint32_t start_cfi = sched_params->sched_cfg.nof_ctrl_symbols;
|
||||
tti_sched->new_tti(tti_rx, start_cfi);
|
||||
|
||||
// Protects access to pending_rar[], pending_msg3[], pending_sibs[], rlc buffers
|
||||
std::lock_guard<std::mutex> lock(sched_mutex);
|
||||
pthread_rwlock_rdlock(&sched_ptr->rwlock);
|
||||
// Protects access to pending_rar[], pending_msg3[], ra_sched, bc_sched, rlc buffers
|
||||
std::lock_guard<std::mutex> lock(carrier_mutex);
|
||||
|
||||
/* Schedule PHICH */
|
||||
generate_phich(tti_sched);
|
||||
|
@ -893,9 +347,7 @@ sched::carrier_sched::tti_sched_result_t* sched::carrier_sched::generate_tti_res
|
|||
/* Schedule DL control data */
|
||||
if (tti_dl_mask[tti_sched->get_tti_tx_dl() % tti_dl_mask.size()] == 0) {
|
||||
/* Schedule Broadcast data (SIB and paging) */
|
||||
if (bc_sched_ptr != nullptr) {
|
||||
bc_sched_ptr->dl_sched(tti_sched);
|
||||
}
|
||||
bc_sched_ptr->dl_sched(tti_sched);
|
||||
|
||||
/* Schedule RAR */
|
||||
ra_sched_ptr->dl_sched(tti_sched);
|
||||
|
@ -920,8 +372,6 @@ sched::carrier_sched::tti_sched_result_t* sched::carrier_sched::generate_tti_res
|
|||
for (auto& user : sched_ptr->ue_db) {
|
||||
user.second.reset_pending_pids(tti_rx);
|
||||
}
|
||||
|
||||
pthread_rwlock_unlock(&sched_ptr->rwlock);
|
||||
}
|
||||
|
||||
return tti_sched;
|
||||
|
@ -953,20 +403,20 @@ void sched::carrier_sched::generate_phich(tti_sched_result_t* tti_sched)
|
|||
tti_sched->ul_sched_result.nof_phich_elems = nof_phich_elems;
|
||||
}
|
||||
|
||||
void sched::carrier_sched::alloc_dl_users(sched::carrier_sched::tti_sched_result_t* tti_result)
|
||||
void sched::carrier_sched::alloc_dl_users(tti_sched_result_t* tti_result)
|
||||
{
|
||||
if (tti_dl_mask[tti_result->get_tti_tx_dl() % tti_dl_mask.size()] != 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
// NOTE: In case of 6 PRBs, do not transmit if there is going to be a PRACH in the UL to avoid collisions
|
||||
if (cfg->cell.nof_prb == 6) {
|
||||
if (sched_params->cfg->cell.nof_prb == 6) {
|
||||
uint32_t tti_rx_ack = TTI_RX_ACK(tti_result->get_tti_rx());
|
||||
bool msg3_enabled = false;
|
||||
if (ra_sched_ptr != nullptr and ra_sched_ptr->find_pending_msg3(tti_rx_ack).enabled) {
|
||||
msg3_enabled = true;
|
||||
}
|
||||
if (srslte_prach_tti_opportunity_config_fdd(cfg->prach_config, tti_rx_ack, -1) or msg3_enabled) {
|
||||
if (srslte_prach_tti_opportunity_config_fdd(sched_params->cfg->prach_config, tti_rx_ack, -1) or msg3_enabled) {
|
||||
tti_result->get_dl_mask().fill(0, tti_result->get_dl_mask().size());
|
||||
}
|
||||
}
|
||||
|
@ -975,13 +425,13 @@ void sched::carrier_sched::alloc_dl_users(sched::carrier_sched::tti_sched_result
|
|||
dl_metric->sched_users(sched_ptr->ue_db, tti_result);
|
||||
}
|
||||
|
||||
int sched::carrier_sched::alloc_ul_users(sched::carrier_sched::tti_sched_result_t* tti_sched)
|
||||
int sched::carrier_sched::alloc_ul_users(tti_sched_result_t* tti_sched)
|
||||
{
|
||||
uint32_t tti_tx_ul = tti_sched->get_tti_tx_ul();
|
||||
prbmask_t& ul_mask = tti_sched->get_ul_mask();
|
||||
|
||||
/* reserve PRBs for PRACH */
|
||||
if (srslte_prach_tti_opportunity_config_fdd(cfg->prach_config, tti_tx_ul, -1)) {
|
||||
if (srslte_prach_tti_opportunity_config_fdd(sched_params->cfg->prach_config, tti_tx_ul, -1)) {
|
||||
ul_mask = prach_mask;
|
||||
log_h->debug("SCHED: Allocated PRACH RBs. Mask: 0x%s\n", prach_mask.to_hex().c_str());
|
||||
}
|
||||
|
@ -990,7 +440,7 @@ int sched::carrier_sched::alloc_ul_users(sched::carrier_sched::tti_sched_result_
|
|||
ra_sched_ptr->ul_sched(tti_sched);
|
||||
|
||||
/* reserve PRBs for PUCCH */
|
||||
if (cfg->cell.nof_prb != 6 and (ul_mask & pucch_mask).any()) {
|
||||
if (sched_params->cfg->cell.nof_prb != 6 and (ul_mask & pucch_mask).any()) {
|
||||
log_h->error("There was a collision with the PUCCH. current mask=0x%s, pucch_mask=0x%s\n",
|
||||
ul_mask.to_hex().c_str(),
|
||||
pucch_mask.to_hex().c_str());
|
||||
|
@ -1010,7 +460,7 @@ int sched::carrier_sched::alloc_ul_users(sched::carrier_sched::tti_sched_result_
|
|||
|
||||
int sched::carrier_sched::dl_rach_info(dl_sched_rar_info_t rar_info)
|
||||
{
|
||||
std::lock_guard<std::mutex> lock(sched_mutex);
|
||||
std::lock_guard<std::mutex> lock(carrier_mutex);
|
||||
return ra_sched_ptr->dl_rach_info(rar_info);
|
||||
}
|
||||
|
||||
|
|
|
@ -23,6 +23,11 @@
|
|||
#include "srsenb/hdr/stack/mac/scheduler.h"
|
||||
#include <srslte/interfaces/sched_interface.h>
|
||||
|
||||
#define Error(fmt, ...) log_h->error(fmt, ##__VA_ARGS__)
|
||||
#define Warning(fmt, ...) log_h->warning(fmt, ##__VA_ARGS__)
|
||||
#define Info(fmt, ...) log_h->info(fmt, ##__VA_ARGS__)
|
||||
#define Debug(fmt, ...) log_h->debug(fmt, ##__VA_ARGS__)
|
||||
|
||||
namespace srsenb {
|
||||
|
||||
const char* alloc_outcome_t::to_string() const
|
||||
|
@ -373,4 +378,533 @@ alloc_outcome_t tti_grid_t::alloc_ul_data(sched_ue* user, ul_harq_proc::ul_alloc
|
|||
return alloc_outcome_t::SUCCESS;
|
||||
}
|
||||
|
||||
/*******************************************************
|
||||
* TTI resource Scheduling Methods
|
||||
*******************************************************/
|
||||
|
||||
void tti_sched_result_t::init(const sched_params_t& sched_params_)
|
||||
{
|
||||
sched_params = &sched_params_;
|
||||
log_h = sched_params->log_h;
|
||||
tti_alloc.init(*sched_params, 0);
|
||||
}
|
||||
|
||||
void tti_sched_result_t::new_tti(uint32_t tti_rx_, uint32_t start_cfi)
|
||||
{
|
||||
tti_params = tti_params_t{tti_rx_};
|
||||
tti_alloc.new_tti(tti_params, start_cfi);
|
||||
|
||||
// internal state
|
||||
rar_allocs.clear();
|
||||
bc_allocs.clear();
|
||||
data_allocs.clear();
|
||||
ul_data_allocs.clear();
|
||||
|
||||
// TTI result
|
||||
pdcch_mask.reset();
|
||||
pdcch_mask.resize(tti_alloc.get_pdcch_grid().nof_cces());
|
||||
bzero(&dl_sched_result, sizeof(dl_sched_result));
|
||||
bzero(&ul_sched_result, sizeof(ul_sched_result));
|
||||
}
|
||||
|
||||
bool tti_sched_result_t::is_dl_alloc(sched_ue* user) const
|
||||
{
|
||||
for (const auto& a : data_allocs) {
|
||||
if (a.user_ptr == user) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool tti_sched_result_t::is_ul_alloc(sched_ue* user) const
|
||||
{
|
||||
for (const auto& a : ul_data_allocs) {
|
||||
if (a.user_ptr == user) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
tti_sched_result_t::ctrl_code_t tti_sched_result_t::alloc_dl_ctrl(uint32_t aggr_lvl, uint32_t tbs_bytes, uint16_t rnti)
|
||||
{
|
||||
ctrl_alloc_t ctrl_alloc{};
|
||||
|
||||
// based on rnti, check which type of alloc
|
||||
alloc_type_t alloc_type = alloc_type_t::DL_RAR;
|
||||
if (rnti == SRSLTE_SIRNTI) {
|
||||
alloc_type = alloc_type_t::DL_BC;
|
||||
} else if (rnti == SRSLTE_PRNTI) {
|
||||
alloc_type = alloc_type_t::DL_PCCH;
|
||||
}
|
||||
|
||||
/* Allocate space in the DL RBG and PDCCH grids */
|
||||
tti_grid_t::dl_ctrl_alloc_t ret = tti_alloc.alloc_dl_ctrl(aggr_lvl, alloc_type);
|
||||
if (not ret.outcome) {
|
||||
return {ret.outcome, ctrl_alloc};
|
||||
}
|
||||
|
||||
// Allocation Successful
|
||||
ctrl_alloc.dci_idx = tti_alloc.get_pdcch_grid().nof_allocs() - 1;
|
||||
ctrl_alloc.rbg_range = ret.rbg_range;
|
||||
ctrl_alloc.rnti = rnti;
|
||||
ctrl_alloc.req_bytes = tbs_bytes;
|
||||
ctrl_alloc.alloc_type = alloc_type;
|
||||
|
||||
return {ret.outcome, ctrl_alloc};
|
||||
}
|
||||
|
||||
alloc_outcome_t tti_sched_result_t::alloc_bc(uint32_t aggr_lvl, uint32_t sib_idx, uint32_t sib_ntx)
|
||||
{
|
||||
uint32_t sib_len = sched_params->cfg->sibs[sib_idx].len;
|
||||
uint32_t rv = sched::get_rvidx(sib_ntx);
|
||||
ctrl_code_t ret = alloc_dl_ctrl(aggr_lvl, sib_len, SRSLTE_SIRNTI);
|
||||
if (not ret.first) {
|
||||
Warning("SCHED: Could not allocate SIB=%d, L=%d, len=%d, cause=%s\n",
|
||||
sib_idx + 1,
|
||||
aggr_lvl,
|
||||
sib_len,
|
||||
ret.first.to_string());
|
||||
return ret.first;
|
||||
}
|
||||
|
||||
// BC allocation successful
|
||||
bc_alloc_t bc_alloc(ret.second);
|
||||
bc_alloc.rv = rv;
|
||||
bc_alloc.sib_idx = sib_idx;
|
||||
bc_allocs.push_back(bc_alloc);
|
||||
|
||||
return ret.first;
|
||||
}
|
||||
|
||||
alloc_outcome_t tti_sched_result_t::alloc_paging(uint32_t aggr_lvl, uint32_t paging_payload)
|
||||
{
|
||||
ctrl_code_t ret = alloc_dl_ctrl(aggr_lvl, paging_payload, SRSLTE_PRNTI);
|
||||
if (not ret.first) {
|
||||
Warning(
|
||||
"SCHED: Could not allocate Paging with payload length=%d, cause=%s\n", paging_payload, ret.first.to_string());
|
||||
return ret.first;
|
||||
}
|
||||
|
||||
// Paging allocation successful
|
||||
bc_alloc_t bc_alloc(ret.second);
|
||||
bc_allocs.push_back(bc_alloc);
|
||||
|
||||
return ret.first;
|
||||
}
|
||||
|
||||
tti_sched_result_t::rar_code_t tti_sched_result_t::alloc_rar(uint32_t aggr_lvl,
|
||||
const sched_interface::dl_sched_rar_t& rar_grant,
|
||||
uint32_t prach_tti,
|
||||
uint32_t buf_rar)
|
||||
{
|
||||
// RA-RNTI = 1 + t_id + f_id
|
||||
// t_id = index of first subframe specified by PRACH (0<=t_id<10)
|
||||
// f_id = index of the PRACH within subframe, in ascending order of freq domain (0<=f_id<6) (for FDD, f_id=0)
|
||||
uint16_t ra_rnti = 1 + (uint16_t)(prach_tti % 10);
|
||||
|
||||
ctrl_code_t ret = alloc_dl_ctrl(aggr_lvl, buf_rar, ra_rnti);
|
||||
if (not ret.first) {
|
||||
Warning("SCHED: Could not allocate RAR for L=%d, cause=%s\n", aggr_lvl, ret.first.to_string());
|
||||
return {ret.first, nullptr};
|
||||
}
|
||||
|
||||
// Allocation successful
|
||||
rar_alloc_t rar_alloc(ret.second);
|
||||
rar_alloc.rar_grant = rar_grant;
|
||||
rar_allocs.push_back(rar_alloc);
|
||||
|
||||
return {ret.first, &rar_allocs.back()};
|
||||
}
|
||||
|
||||
alloc_outcome_t tti_sched_result_t::alloc_dl_user(sched_ue* user, const rbgmask_t& user_mask, uint32_t pid)
|
||||
{
|
||||
if (is_dl_alloc(user)) {
|
||||
log_h->warning("SCHED: Attempt to assign multiple harq pids to the same user rnti=0x%x\n", user->get_rnti());
|
||||
return alloc_outcome_t::ERROR;
|
||||
}
|
||||
|
||||
// Try to allocate RBGs and DCI
|
||||
alloc_outcome_t ret = tti_alloc.alloc_dl_data(user, user_mask);
|
||||
if (ret != alloc_outcome_t::SUCCESS) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
// Allocation Successful
|
||||
dl_alloc_t alloc;
|
||||
alloc.dci_idx = tti_alloc.get_pdcch_grid().nof_allocs() - 1;
|
||||
alloc.user_ptr = user;
|
||||
alloc.user_mask = user_mask;
|
||||
alloc.pid = pid;
|
||||
data_allocs.push_back(alloc);
|
||||
|
||||
return alloc_outcome_t::SUCCESS;
|
||||
}
|
||||
|
||||
alloc_outcome_t tti_sched_result_t::alloc_ul(sched_ue* user,
|
||||
ul_harq_proc::ul_alloc_t alloc,
|
||||
tti_sched_result_t::ul_alloc_t::type_t alloc_type,
|
||||
uint32_t mcs)
|
||||
{
|
||||
// Check whether user was already allocated
|
||||
if (is_ul_alloc(user)) {
|
||||
log_h->warning("SCHED: Attempt to assign multiple ul_harq_proc to the same user rnti=0x%x\n", user->get_rnti());
|
||||
return alloc_outcome_t::ERROR;
|
||||
}
|
||||
|
||||
// Allocate RBGs and DCI space
|
||||
bool needs_pdcch = alloc_type == ul_alloc_t::ADAPT_RETX or alloc_type == ul_alloc_t::NEWTX;
|
||||
alloc_outcome_t ret = tti_alloc.alloc_ul_data(user, alloc, needs_pdcch);
|
||||
if (ret != alloc_outcome_t::SUCCESS) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
ul_alloc_t ul_alloc = {};
|
||||
ul_alloc.type = alloc_type;
|
||||
ul_alloc.dci_idx = tti_alloc.get_pdcch_grid().nof_allocs() - 1;
|
||||
ul_alloc.user_ptr = user;
|
||||
ul_alloc.alloc = alloc;
|
||||
ul_alloc.mcs = mcs;
|
||||
ul_data_allocs.push_back(ul_alloc);
|
||||
|
||||
return alloc_outcome_t::SUCCESS;
|
||||
}
|
||||
|
||||
alloc_outcome_t tti_sched_result_t::alloc_ul_user(sched_ue* user, ul_harq_proc::ul_alloc_t alloc)
|
||||
{
|
||||
// check whether adaptive/non-adaptive retx/newtx
|
||||
tti_sched_result_t::ul_alloc_t::type_t alloc_type;
|
||||
ul_harq_proc* h = user->get_ul_harq(get_tti_tx_ul());
|
||||
bool has_retx = h->has_pending_retx();
|
||||
if (has_retx) {
|
||||
ul_harq_proc::ul_alloc_t prev_alloc = h->get_alloc();
|
||||
if (prev_alloc.L == alloc.L and prev_alloc.RB_start == prev_alloc.L) {
|
||||
alloc_type = ul_alloc_t::NOADAPT_RETX;
|
||||
} else {
|
||||
alloc_type = ul_alloc_t::ADAPT_RETX;
|
||||
}
|
||||
} else {
|
||||
alloc_type = ul_alloc_t::NEWTX;
|
||||
}
|
||||
|
||||
return alloc_ul(user, alloc, alloc_type);
|
||||
}
|
||||
|
||||
alloc_outcome_t tti_sched_result_t::alloc_ul_msg3(sched_ue* user, ul_harq_proc::ul_alloc_t alloc, uint32_t mcs)
|
||||
{
|
||||
return alloc_ul(user, alloc, ul_alloc_t::MSG3, mcs);
|
||||
}
|
||||
|
||||
void tti_sched_result_t::set_bc_sched_result(const pdcch_grid_t::alloc_result_t& dci_result)
|
||||
{
|
||||
for (const auto& bc_alloc : bc_allocs) {
|
||||
sched_interface::dl_sched_bc_t* bc = &dl_sched_result.bc[dl_sched_result.nof_bc_elems];
|
||||
|
||||
// assign NCCE/L
|
||||
bc->dci.location = dci_result[bc_alloc.dci_idx]->dci_pos;
|
||||
|
||||
/* Generate DCI format1A */
|
||||
prb_range_t prb_range = prb_range_t(bc_alloc.rbg_range, sched_params->P);
|
||||
int tbs = generate_format1a(
|
||||
prb_range.prb_start, prb_range.length(), bc_alloc.req_bytes, bc_alloc.rv, bc_alloc.rnti, &bc->dci);
|
||||
|
||||
// Setup BC/Paging processes
|
||||
if (bc_alloc.alloc_type == alloc_type_t::DL_BC) {
|
||||
if (tbs <= (int)bc_alloc.req_bytes) {
|
||||
log_h->warning("SCHED: Error SIB%d, rbgs=(%d,%d), dci=(%d,%d), len=%d\n",
|
||||
bc_alloc.sib_idx + 1,
|
||||
bc_alloc.rbg_range.rbg_start,
|
||||
bc_alloc.rbg_range.rbg_end,
|
||||
bc->dci.location.L,
|
||||
bc->dci.location.ncce,
|
||||
bc_alloc.req_bytes);
|
||||
continue;
|
||||
}
|
||||
|
||||
// Setup BC process
|
||||
bc->index = bc_alloc.sib_idx;
|
||||
bc->type = sched_interface::dl_sched_bc_t::BCCH;
|
||||
bc->tbs = (uint32_t)bc_alloc.req_bytes;
|
||||
|
||||
log_h->info("SCHED: SIB%d, rbgs=(%d,%d), dci=(%d,%d), rv=%d, len=%d, period=%d, mcs=%d\n",
|
||||
bc_alloc.sib_idx + 1,
|
||||
bc_alloc.rbg_range.rbg_start,
|
||||
bc_alloc.rbg_range.rbg_end,
|
||||
bc->dci.location.L,
|
||||
bc->dci.location.ncce,
|
||||
bc_alloc.rv,
|
||||
bc_alloc.req_bytes,
|
||||
sched_params->cfg->sibs[bc_alloc.sib_idx].period_rf,
|
||||
bc->dci.tb[0].mcs_idx);
|
||||
} else {
|
||||
// Paging
|
||||
if (tbs <= 0) {
|
||||
log_h->warning("SCHED: Error Paging, rbgs=(%d,%d), dci=(%d,%d)\n",
|
||||
bc_alloc.rbg_range.rbg_start,
|
||||
bc_alloc.rbg_range.rbg_end,
|
||||
bc->dci.location.L,
|
||||
bc->dci.location.ncce);
|
||||
continue;
|
||||
}
|
||||
|
||||
// Setup Paging process
|
||||
bc->type = sched_interface::dl_sched_bc_t::PCCH;
|
||||
bc->tbs = (uint32_t)tbs;
|
||||
|
||||
log_h->info("SCHED: PCH, rbgs=(%d,%d), dci=(%d,%d), tbs=%d, mcs=%d\n",
|
||||
bc_alloc.rbg_range.rbg_start,
|
||||
bc_alloc.rbg_range.rbg_end,
|
||||
bc->dci.location.L,
|
||||
bc->dci.location.ncce,
|
||||
tbs,
|
||||
bc->dci.tb[0].mcs_idx);
|
||||
}
|
||||
|
||||
dl_sched_result.nof_bc_elems++;
|
||||
}
|
||||
}
|
||||
|
||||
void tti_sched_result_t::set_rar_sched_result(const pdcch_grid_t::alloc_result_t& dci_result)
|
||||
{
|
||||
for (const auto& rar_alloc : rar_allocs) {
|
||||
sched_interface::dl_sched_rar_t* rar = &dl_sched_result.rar[dl_sched_result.nof_rar_elems];
|
||||
|
||||
// Assign NCCE/L
|
||||
rar->dci.location = dci_result[rar_alloc.dci_idx]->dci_pos;
|
||||
|
||||
/* Generate DCI format1A */
|
||||
prb_range_t prb_range = prb_range_t(rar_alloc.rbg_range, sched_params->P);
|
||||
int tbs =
|
||||
generate_format1a(prb_range.prb_start, prb_range.length(), rar_alloc.req_bytes, 0, rar_alloc.rnti, &rar->dci);
|
||||
if (tbs <= 0) {
|
||||
log_h->warning("SCHED: Error RAR, ra_rnti_idx=%d, rbgs=(%d,%d), dci=(%d,%d)\n",
|
||||
rar_alloc.rnti,
|
||||
rar_alloc.rbg_range.rbg_start,
|
||||
rar_alloc.rbg_range.rbg_end,
|
||||
rar->dci.location.L,
|
||||
rar->dci.location.ncce);
|
||||
continue;
|
||||
}
|
||||
|
||||
// Setup RAR process
|
||||
rar->tbs = rar_alloc.req_bytes;
|
||||
rar->nof_grants = rar_alloc.rar_grant.nof_grants;
|
||||
std::copy(&rar_alloc.rar_grant.msg3_grant[0], &rar_alloc.rar_grant.msg3_grant[rar->nof_grants], rar->msg3_grant);
|
||||
|
||||
// Print RAR allocation result
|
||||
for (uint32_t i = 0; i < rar->nof_grants; ++i) {
|
||||
const auto& msg3_grant = rar->msg3_grant[i];
|
||||
uint16_t expected_rnti = msg3_grant.data.temp_crnti;
|
||||
log_h->info("SCHED: RAR, temp_crnti=0x%x, ra-rnti=%d, rbgs=(%d,%d), dci=(%d,%d), rar_grant_rba=%d, "
|
||||
"rar_grant_mcs=%d\n",
|
||||
expected_rnti,
|
||||
rar_alloc.rnti,
|
||||
rar_alloc.rbg_range.rbg_start,
|
||||
rar_alloc.rbg_range.rbg_end,
|
||||
rar->dci.location.L,
|
||||
rar->dci.location.ncce,
|
||||
msg3_grant.grant.rba,
|
||||
msg3_grant.grant.trunc_mcs);
|
||||
}
|
||||
|
||||
dl_sched_result.nof_rar_elems++;
|
||||
}
|
||||
}
|
||||
|
||||
void tti_sched_result_t::set_dl_data_sched_result(const pdcch_grid_t::alloc_result_t& dci_result)
|
||||
{
|
||||
for (const auto& data_alloc : data_allocs) {
|
||||
sched_interface::dl_sched_data_t* data = &dl_sched_result.data[dl_sched_result.nof_data_elems];
|
||||
|
||||
// Assign NCCE/L
|
||||
data->dci.location = dci_result[data_alloc.dci_idx]->dci_pos;
|
||||
|
||||
// Generate DCI Format1/2/2A
|
||||
sched_ue* user = data_alloc.user_ptr;
|
||||
dl_harq_proc* h = user->get_dl_harq(data_alloc.pid);
|
||||
uint32_t data_before = user->get_pending_dl_new_data(get_tti_tx_dl());
|
||||
srslte_dci_format_t dci_format = user->get_dci_format();
|
||||
bool is_newtx = h->is_empty();
|
||||
|
||||
int tbs = 0;
|
||||
switch (dci_format) {
|
||||
case SRSLTE_DCI_FORMAT1:
|
||||
tbs = user->generate_format1(h, data, get_tti_tx_dl(), get_cfi(), data_alloc.user_mask);
|
||||
break;
|
||||
case SRSLTE_DCI_FORMAT2:
|
||||
tbs = user->generate_format2(h, data, get_tti_tx_dl(), get_cfi(), data_alloc.user_mask);
|
||||
break;
|
||||
case SRSLTE_DCI_FORMAT2A:
|
||||
tbs = user->generate_format2a(h, data, get_tti_tx_dl(), get_cfi(), data_alloc.user_mask);
|
||||
break;
|
||||
default:
|
||||
Error("DCI format (%d) not implemented\n", dci_format);
|
||||
}
|
||||
|
||||
if (tbs <= 0) {
|
||||
log_h->warning("SCHED: Error DL %s rnti=0x%x, pid=%d, mask=%s, tbs=%d, buffer=%d\n",
|
||||
is_newtx ? "tx" : "retx",
|
||||
user->get_rnti(),
|
||||
h->get_id(),
|
||||
data_alloc.user_mask.to_hex().c_str(),
|
||||
tbs,
|
||||
user->get_pending_dl_new_data(get_tti_tx_dl()));
|
||||
continue;
|
||||
}
|
||||
|
||||
// Print Resulting DL Allocation
|
||||
log_h->info("SCHED: DL %s rnti=0x%x, pid=%d, mask=0x%s, dci=(%d,%d), n_rtx=%d, tbs=%d, buffer=%d/%d\n",
|
||||
!is_newtx ? "retx" : "tx",
|
||||
user->get_rnti(),
|
||||
h->get_id(),
|
||||
data_alloc.user_mask.to_hex().c_str(),
|
||||
data->dci.location.L,
|
||||
data->dci.location.ncce,
|
||||
h->nof_retx(0) + h->nof_retx(1),
|
||||
tbs,
|
||||
data_before,
|
||||
user->get_pending_dl_new_data(get_tti_tx_dl()));
|
||||
|
||||
dl_sched_result.nof_data_elems++;
|
||||
}
|
||||
}
|
||||
|
||||
void tti_sched_result_t::set_ul_sched_result(const pdcch_grid_t::alloc_result_t& dci_result)
|
||||
{
|
||||
/* Set UL data DCI locs and format */
|
||||
for (const auto& ul_alloc : ul_data_allocs) {
|
||||
sched_interface::ul_sched_data_t* pusch = &ul_sched_result.pusch[ul_sched_result.nof_dci_elems];
|
||||
|
||||
sched_ue* user = ul_alloc.user_ptr;
|
||||
|
||||
srslte_dci_location_t cce_range = {0, 0};
|
||||
if (ul_alloc.needs_pdcch()) {
|
||||
cce_range = dci_result[ul_alloc.dci_idx]->dci_pos;
|
||||
}
|
||||
|
||||
/* Set fixed mcs if specified */
|
||||
int fixed_mcs = (ul_alloc.type == ul_alloc_t::MSG3) ? ul_alloc.mcs : -1;
|
||||
|
||||
/* Generate DCI Format1A */
|
||||
uint32_t pending_data_before = user->get_pending_ul_new_data(get_tti_tx_ul());
|
||||
int tbs =
|
||||
user->generate_format0(pusch, get_tti_tx_ul(), ul_alloc.alloc, ul_alloc.needs_pdcch(), cce_range, fixed_mcs);
|
||||
|
||||
ul_harq_proc* h = user->get_ul_harq(get_tti_tx_ul());
|
||||
if (tbs <= 0) {
|
||||
log_h->warning("SCHED: Error %s %s rnti=0x%x, pid=%d, dci=(%d,%d), prb=(%d,%d), tbs=%d, bsr=%d\n",
|
||||
ul_alloc.type == ul_alloc_t::MSG3 ? "Msg3" : "UL",
|
||||
ul_alloc.is_retx() ? "retx" : "tx",
|
||||
user->get_rnti(),
|
||||
h->get_id(),
|
||||
pusch->dci.location.L,
|
||||
pusch->dci.location.ncce,
|
||||
ul_alloc.alloc.RB_start,
|
||||
ul_alloc.alloc.RB_start + ul_alloc.alloc.L,
|
||||
tbs,
|
||||
user->get_pending_ul_new_data(get_tti_tx_ul()));
|
||||
continue;
|
||||
}
|
||||
|
||||
// Allocation was successful
|
||||
if (ul_alloc.type == ul_alloc_t::NEWTX) {
|
||||
// Un-trigger SR
|
||||
user->unset_sr();
|
||||
}
|
||||
|
||||
// Print Resulting UL Allocation
|
||||
log_h->info("SCHED: %s %s rnti=0x%x, pid=%d, dci=(%d,%d), prb=(%d,%d), n_rtx=%d, tbs=%d, bsr=%d (%d-%d)\n",
|
||||
ul_alloc.is_msg3() ? "Msg3" : "UL",
|
||||
ul_alloc.is_retx() ? "retx" : "tx",
|
||||
user->get_rnti(),
|
||||
h->get_id(),
|
||||
pusch->dci.location.L,
|
||||
pusch->dci.location.ncce,
|
||||
ul_alloc.alloc.RB_start,
|
||||
ul_alloc.alloc.RB_start + ul_alloc.alloc.L,
|
||||
h->nof_retx(0),
|
||||
tbs,
|
||||
user->get_pending_ul_new_data(get_tti_tx_ul()),
|
||||
pending_data_before,
|
||||
user->get_pending_ul_old_data());
|
||||
|
||||
ul_sched_result.nof_dci_elems++;
|
||||
}
|
||||
}
|
||||
|
||||
void tti_sched_result_t::generate_dcis()
|
||||
{
|
||||
/* Pick one of the possible DCI masks */
|
||||
pdcch_grid_t::alloc_result_t dci_result;
|
||||
// tti_alloc.get_pdcch_grid().result_to_string();
|
||||
tti_alloc.get_pdcch_grid().get_allocs(&dci_result, &pdcch_mask);
|
||||
|
||||
/* Register final CFI */
|
||||
dl_sched_result.cfi = tti_alloc.get_pdcch_grid().get_cfi();
|
||||
|
||||
/* Generate DCI formats and fill sched_result structs */
|
||||
set_bc_sched_result(dci_result);
|
||||
|
||||
set_rar_sched_result(dci_result);
|
||||
|
||||
set_dl_data_sched_result(dci_result);
|
||||
|
||||
set_ul_sched_result(dci_result);
|
||||
}
|
||||
|
||||
uint32_t tti_sched_result_t::get_nof_ctrl_symbols() const
|
||||
{
|
||||
return tti_alloc.get_cfi() + ((sched_params->cfg->cell.nof_prb <= 10) ? 1 : 0);
|
||||
}
|
||||
|
||||
int tti_sched_result_t::generate_format1a(uint32_t rb_start,
|
||||
uint32_t l_crb,
|
||||
uint32_t tbs_bytes,
|
||||
uint32_t rv,
|
||||
uint16_t rnti,
|
||||
srslte_dci_dl_t* dci)
|
||||
{
|
||||
/* Calculate I_tbs for this TBS */
|
||||
int tbs = tbs_bytes * 8;
|
||||
int i;
|
||||
int mcs = -1;
|
||||
for (i = 0; i < 27; i++) {
|
||||
if (srslte_ra_tbs_from_idx(i, 2) >= tbs) {
|
||||
dci->type2_alloc.n_prb1a = srslte_ra_type2_t::SRSLTE_RA_TYPE2_NPRB1A_2;
|
||||
mcs = i;
|
||||
tbs = srslte_ra_tbs_from_idx(i, 2);
|
||||
break;
|
||||
}
|
||||
if (srslte_ra_tbs_from_idx(i, 3) >= tbs) {
|
||||
dci->type2_alloc.n_prb1a = srslte_ra_type2_t::SRSLTE_RA_TYPE2_NPRB1A_3;
|
||||
mcs = i;
|
||||
tbs = srslte_ra_tbs_from_idx(i, 3);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (i == 28) {
|
||||
Error("Can't allocate Format 1A for TBS=%d\n", tbs);
|
||||
return -1;
|
||||
}
|
||||
|
||||
Debug("ra_tbs=%d/%d, tbs_bytes=%d, tbs=%d, mcs=%d\n",
|
||||
srslte_ra_tbs_from_idx(mcs, 2),
|
||||
srslte_ra_tbs_from_idx(mcs, 3),
|
||||
tbs_bytes,
|
||||
tbs,
|
||||
mcs);
|
||||
|
||||
dci->alloc_type = SRSLTE_RA_ALLOC_TYPE2;
|
||||
dci->type2_alloc.mode = srslte_ra_type2_t::SRSLTE_RA_TYPE2_LOC;
|
||||
dci->type2_alloc.riv = srslte_ra_type2_to_riv(l_crb, rb_start, sched_params->cfg->cell.nof_prb);
|
||||
dci->pid = 0;
|
||||
dci->tb[0].mcs_idx = mcs;
|
||||
dci->tb[0].rv = rv;
|
||||
dci->format = SRSLTE_DCI_FORMAT1A;
|
||||
dci->rnti = rnti;
|
||||
|
||||
return tbs;
|
||||
}
|
||||
|
||||
} // namespace srsenb
|
||||
|
|
|
@ -274,7 +274,7 @@ void sched_tester::new_test_tti(uint32_t tti_)
|
|||
} else {
|
||||
tti_data.ul_sf_idx = (tti_data.tti_tx_ul + 10240 - FDD_HARQ_DELAY_MS) % 10;
|
||||
}
|
||||
tti_data.ul_pending_msg3 = carrier_schedulers[0]->ra_sched_ptr->find_pending_msg3(tti_data.tti_tx_ul);
|
||||
tti_data.ul_pending_msg3 = carrier_schedulers[0]->get_ra_sched()->find_pending_msg3(tti_data.tti_tx_ul);
|
||||
tti_data.current_cfi = sched_params.sched_cfg.nof_ctrl_symbols;
|
||||
tti_data.used_cce.resize(srslte_regs_pdcch_ncce(®s, tti_data.current_cfi));
|
||||
tti_data.used_cce.reset();
|
||||
|
@ -494,7 +494,7 @@ int sched_tester::assert_no_empty_allocs()
|
|||
*/
|
||||
int sched_tester::test_tti_result()
|
||||
{
|
||||
carrier_sched::tti_sched_result_t* tti_sched = carrier_schedulers[0]->get_tti_sched(tti_data.tti_rx);
|
||||
const srsenb::tti_sched_result_t* tti_sched = carrier_schedulers[0]->get_tti_sched_view(tti_data.tti_rx);
|
||||
|
||||
// Helper Function: checks if there is any collision. If not, fills the mask
|
||||
auto try_cce_fill = [&](const srslte_dci_location_t& dci_loc, const char* ch) {
|
||||
|
@ -546,8 +546,8 @@ int sched_tester::test_tti_result()
|
|||
CONDERROR(rar.tbs == 0, "Allocated RAR process with invalid TBS=%d\n", rar.tbs);
|
||||
for (uint32_t j = 0; j < rar.nof_grants; ++j) {
|
||||
const auto& msg3_grant = rar.msg3_grant[j];
|
||||
const srsenb::ra_sched::pending_msg3_t& p =
|
||||
carrier_schedulers[0]->ra_sched_ptr->find_pending_msg3(tti_sched->get_tti_tx_dl() + MSG3_DELAY_MS + TX_DELAY);
|
||||
const srsenb::ra_sched::pending_msg3_t& p = carrier_schedulers[0]->get_ra_sched()->find_pending_msg3(
|
||||
tti_sched->get_tti_tx_dl() + MSG3_DELAY_MS + TX_DELAY);
|
||||
CONDERROR(not p.enabled, "Pending Msg3 should have been set\n");
|
||||
uint32_t rba = srslte_ra_type2_to_riv(p.L, p.n_prb, cfg.cell.nof_prb);
|
||||
CONDERROR(msg3_grant.grant.rba != rba, "Pending Msg3 RBA is not valid\n");
|
||||
|
@ -555,7 +555,7 @@ int sched_tester::test_tti_result()
|
|||
}
|
||||
|
||||
/* verify if sched_result "used_cce" coincide with sched "used_cce" */
|
||||
auto* tti_alloc = carrier_schedulers[0]->get_tti_sched(tti_data.tti_rx);
|
||||
auto* tti_alloc = carrier_schedulers[0]->get_tti_sched_view(tti_data.tti_rx);
|
||||
if (tti_data.used_cce != tti_alloc->get_pdcch_mask()) {
|
||||
std::string mask_str = tti_alloc->get_pdcch_mask().to_string();
|
||||
TESTERROR("[TESTER] The used_cce do not match: (%s!=%s)\n", mask_str.c_str(), tti_data.used_cce.to_hex().c_str());
|
||||
|
@ -757,7 +757,7 @@ int sched_tester::test_sibs()
|
|||
|
||||
int sched_tester::test_collisions()
|
||||
{
|
||||
carrier_sched::tti_sched_result_t* tti_sched = carrier_schedulers[0]->get_tti_sched(tti_data.tti_rx);
|
||||
const srsenb::tti_sched_result_t* tti_sched = carrier_schedulers[0]->get_tti_sched_view(tti_data.tti_rx);
|
||||
|
||||
srsenb::prbmask_t ul_allocs(cfg.cell.nof_prb);
|
||||
|
||||
|
@ -901,7 +901,7 @@ int sched_tester::test_collisions()
|
|||
rbgmask.reset(i);
|
||||
}
|
||||
}
|
||||
if (rbgmask != carrier_schedulers[0]->get_tti_sched(tti_data.tti_rx)->get_dl_mask()) {
|
||||
if (rbgmask != carrier_schedulers[0]->get_tti_sched_view(tti_data.tti_rx)->get_dl_mask()) {
|
||||
TESTERROR("[TESTER] The UL PRB mask and the scheduler result UL mask are not consistent\n");
|
||||
}
|
||||
return SRSLTE_SUCCESS;
|
||||
|
|
Loading…
Reference in New Issue