added initial_dl_cqi to the enb rr.cfg parser

lib/include/srslte/interfaces/enb_interfaces.h

@@ -296,7 +296,7 @@ public:
    * Segmentation happens in this function. RLC PDU is stored in payload. */
   virtual int read_pdu(uint16_t rnti, uint32_t lcid, uint8_t* payload, uint32_t nof_bytes) = 0;
 
-  virtual void read_pdu_pcch(uint8_t* payload, uint32_t buffer_size)                                 = 0;
+  virtual void read_pdu_pcch(uint8_t* payload, uint32_t buffer_size) = 0;
 
   /* MAC calls RLC to push an RLC PDU. This function is called from an independent MAC thread.
    * PDU gets placed into the buffer and higher layer thread gets notified. */
@@ -370,9 +370,9 @@ public:
 class rrc_interface_rlc
 {
 public:
-  virtual void read_pdu_pcch(uint8_t* payload, uint32_t payload_size)                                = 0;
-  virtual void max_retx_attempted(uint16_t rnti)                                                     = 0;
-  virtual void write_pdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t sdu)             = 0;
+  virtual void read_pdu_pcch(uint8_t* payload, uint32_t payload_size)                    = 0;
+  virtual void max_retx_attempted(uint16_t rnti)                                         = 0;
+  virtual void write_pdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t sdu) = 0;
 };
 
 // RRC interface for MAC
@@ -409,6 +409,7 @@ struct cell_cfg_t {
   float                    dl_freq_hz;
   uint32_t                 ul_earfcn;
   float                    ul_freq_hz;
+  uint32_t                 initial_dl_cqi;
   std::vector<scell_cfg_t> scell_list;
 };
 typedef std::vector<cell_cfg_t> cell_list_t;

lib/include/srslte/interfaces/sched_interface.h

@@ -88,6 +88,7 @@ public:
 
     uint32_t nrb_cqi;
     uint32_t ncs_an;
+    uint32_t initial_dl_cqi;
 
     uint32_t srs_subframe_config;
     uint32_t srs_subframe_offset;

srsenb/src/enb_cfg_parser.cc

@@ -701,7 +701,7 @@ static int parse_meas_report_desc(rrc_meas_cfg_t* meas_cfg, Setting& root)
 
 static int parse_cell_list(all_args_t* args, rrc_cfg_t* rrc_cfg, Setting& root)
 {
-  auto cell_id_parser  = [](uint32_t& cell_id, Setting& root) { return parse_bounded_number(cell_id, root, 0u, 255u); };
+  auto cell_id_parser = [](uint32_t& cell_id, Setting& root) { return parse_bounded_number(cell_id, root, 0u, 255u); };
 
   rrc_cfg->cell_list.resize(root.getLength());
   for (uint32_t n = 0; n < rrc_cfg->cell_list.size(); ++n) {
@@ -717,6 +717,7 @@ static int parse_cell_list(all_args_t* args, rrc_cfg_t* rrc_cfg, Setting& root)
     cell_cfg.ul_earfcn = cellroot["ul_earfcn"]; // will be derived from DL EARFCN If not set
     parse_default_field(
         cell_cfg.root_seq_idx, cellroot, "root_seq_idx", rrc_cfg->sibs[1].sib2().rr_cfg_common.prach_cfg.root_seq_idx);
+    parse_default_field(cell_cfg.initial_dl_cqi, cellroot, "initial_dl_cqi", 5u);
 
     if (cellroot["ho_active"]) {
       HANDLEPARSERCODE(parse_meas_cell_list(&rrc_cfg->meas_cfg, cellroot["meas_cell_list"]));
@@ -770,7 +771,7 @@ int parse_cell_cfg(all_args_t* args_, srslte_cell_t* cell)
   cell->nof_prb    = args_->enb.n_prb;
   // PCI not configured yet
 
-  phich_cfg_s phichcfg;
+  phich_cfg_s     phichcfg;
   parser::section phy_cnfg("phy_cnfg");
   parser::section phich_cnfg("phich_cnfg");
   phy_cnfg.add_subsection(&phich_cnfg);

srsenb/src/stack/mac/scheduler_ue.cc

@@ -44,7 +44,6 @@ namespace srsenb {
 
 namespace sched_utils {
 
-const uint32_t initial_dl_cqi = 5;
 const uint32_t conres_ce_size = 6;
 
 //! Obtains TB size *in bytes* for a given MCS and N_{PRB}
@@ -1193,7 +1192,7 @@ sched_ue_carrier::sched_ue_carrier(const sched_interface::ue_cfg_t& cfg_,
   // only PCell starts active. Remaining ones wait for valid CQI
   active    = ue_cc_idx == 0;
   dl_cqi_rx = false;
-  dl_cqi    = (ue_cc_idx == 0) ? sched_utils::initial_dl_cqi : 0;
+  dl_cqi    = (ue_cc_idx == 0) ? cell_params->cfg.initial_dl_cqi : 0;
 
   // set max mcs
   max_mcs_ul     = cell_params->sched_cfg->pusch_max_mcs >= 0 ? cell_params->sched_cfg->pusch_max_mcs : 28;

srsenb/src/stack/rrc/rrc.cc

@@ -791,6 +791,7 @@ void rrc::config_mac()
         cfg.sibs[1].sib2().rr_cfg_common.rach_cfg_common.ra_supervision_info.ra_resp_win_size.to_number();
     item.prach_freq_offset = cfg.sibs[1].sib2().rr_cfg_common.prach_cfg.prach_cfg_info.prach_freq_offset;
     item.maxharq_msg3tx    = cfg.sibs[1].sib2().rr_cfg_common.rach_cfg_common.max_harq_msg3_tx;
+    item.initial_dl_cqi    = cfg.cell_list[ccidx].initial_dl_cqi;
 
     item.nrb_pucch = SRSLTE_MAX(cfg.sr_cfg.nof_prb, cfg.cqi_cfg.nof_prb);
     rrc_log->info("Allocating %d PRBs for PUCCH\n", item.nrb_pucch);
@@ -1296,8 +1297,8 @@ void rrc::ue::handle_rrc_reconf_complete(rrc_conn_recfg_complete_s* msg, srslte:
 
     // Finally, add SRB2 and DRB1 to the scheduler
     srsenb::sched_interface::ue_bearer_cfg_t bearer_cfg = {};
-    bearer_cfg.direction = srsenb::sched_interface::ue_bearer_cfg_t::BOTH;
-    bearer_cfg.group     = 0;
+    bearer_cfg.direction                                = srsenb::sched_interface::ue_bearer_cfg_t::BOTH;
+    bearer_cfg.group                                    = 0;
     parent->mac->bearer_ue_cfg(rnti, 2, &bearer_cfg);
     bearer_cfg.group = last_rrc_conn_recfg.crit_exts.c1()
                            .rrc_conn_recfg_r8()

srsenb/test/mac/scheduler_test_utils.h

@@ -110,6 +110,7 @@ inline srsenb::sched_interface::cell_cfg_t generate_default_cell_cfg(uint32_t no
   cell_cfg.prach_freq_offset = (cell_cfg_phy.nof_prb == 6) ? 0 : 2;
   cell_cfg.prach_rar_window  = 3;
   cell_cfg.maxharq_msg3tx    = 3;
+  cell_cfg.initial_dl_cqi    = 5;
 
   return cell_cfg;
 }