Move TTI to PID mapping to MAC

lib/include/srslte/interfaces/enb_interfaces.h

@@ -67,6 +67,7 @@ public:
    */
   typedef struct {
     srslte_dci_ul_t         dci;
+    uint32_t                pid;
     uint32_t                current_tx_nb;
     uint8_t*                data;
     bool                    needs_pdcch;

srsenb/src/phy/lte/cc_worker.cc

@@ -299,22 +299,20 @@ void cc_worker::decode_pusch_rnti(stack_interface_phy_lte::ul_sched_grant_t& ul_
     return;
   }
 
-  uint32_t ul_pid = TTI_RX(ul_sf.tti) % SRSLTE_FDD_NOF_HARQ;
-
   // Handle Format0 adaptive retx
   // Use last TBS for this TB in case of mcs>28
   if (ul_grant.dci.tb.mcs_idx > 28) {
     int rv_idx  = grant.tb.rv;
-    grant.tb    = phy->ue_db.get_last_ul_tb(rnti, cc_idx, ul_pid);
+    grant.tb    = phy->ue_db.get_last_ul_tb(rnti, cc_idx, ul_grant.pid);
     grant.tb.rv = rv_idx;
     Info("Adaptive retx: rnti=0x%x, pid=%d, rv_idx=%d, mcs=%d, old_tbs=%d",
          rnti,
-         ul_pid,
+         ul_grant.pid,
          grant.tb.rv,
          ul_grant.dci.tb.mcs_idx,
          grant.tb.tbs / 8);
   }
-  phy->ue_db.set_last_ul_tb(rnti, cc_idx, ul_pid, grant.tb);
+  phy->ue_db.set_last_ul_tb(rnti, cc_idx, ul_grant.pid, grant.tb);
 
   // Run PUSCH decoder
   ul_cfg.pusch.softbuffers.rx = ul_grant.softbuffer_rx;

srsenb/src/stack/mac/mac.cc

@@ -906,6 +906,7 @@ int mac::get_ul_sched(uint32_t tti_tx_ul, ul_sched_list_t& ul_sched_res_list)
           if (ue_db.count(rnti)) {
             // Copy grant info
             phy_ul_sched_res->pusch[n].current_tx_nb = sched_result.pusch[i].current_tx_nb;
+            phy_ul_sched_res->pusch[n].pid           = TTI_RX(tti_tx_ul) % SRSLTE_FDD_NOF_HARQ;
             phy_ul_sched_res->pusch[n].needs_pdcch   = sched_result.pusch[i].needs_pdcch;
             phy_ul_sched_res->pusch[n].dci           = sched_result.pusch[i].dci;
             phy_ul_sched_res->pusch[n].softbuffer_rx =