fix RM778 PRACH failure by adding reset RA when CRNTI_ACK in extract_harq

openair2/LAYER2/MAC/eNB_scheduler_primitives.c

@@ -1475,9 +1475,9 @@ fill_nfapi_harq_information(module_id_t module_idP,
         harq_information->harq_information_rel10_tdd.ack_nack_mode = 0; // bundling
         }
 		harq_information->harq_information_rel10_tdd.tl.tag = NFAPI_UL_CONFIG_REQUEST_HARQ_INFORMATION_REL10_TDD_TAG;
-	    harq_information->harq_information_rel10_tdd.n_pucch_1_0 =
-		cc->radioResourceConfigCommon->pucch_ConfigCommon.
-		n1PUCCH_AN + cce_idxP;
+            LTE_DL_FRAME_PARMS *frame_parms = &RC.eNB[module_idP][CC_idP]->frame_parms;
+	    harq_information->harq_information_rel10_tdd.n_pucch_1_0 = get_Np(frame_parms->N_RB_DL,cce_idxP,0) +
+		cc->radioResourceConfigCommon->pucch_ConfigCommon.n1PUCCH_AN + cce_idxP;
 	    harq_information->
 		harq_information_rel10_tdd.number_of_pucch_resources = 1;
 	} else {
@@ -3861,6 +3861,20 @@ extract_harq(module_id_t mod_idP, int CC_idP, int UE_id,
 	             sched_ctl->round[CC_idP][harq_pid]++;
 	         }
 	       }
+               RA_t *ra = &RC.mac[mod_idP]->common_channels[CC_idP].ra[0];
+               for (uint8_t ra_i = 0; ra_i < NB_RA_PROC_MAX; ra_i++) {
+               if ((ra[ra_i].rnti == rnti) && (ra[ra_i].state == MSGCRNTI_ACK) && (ra[ra_i].crnti_harq_pid == harq_pid)) {
+                 LOG_D(MAC,"CRNTI Reconfiguration: ACK %d rnti %x round %d frame %d subframe %d \n",harq_indication_tdd->harq_data[0].bundling.value_0,rnti,sched_ctl->round[CC_idP][harq_pid],frameP,subframeP);
+                 if(num_ack_nak == 1 && harq_indication_tdd->harq_data[0].bundling.value_0 == 1) {
+                   cancel_ra_proc(mod_idP, CC_idP, frameP, ra[ra_i].rnti);
+                 }else{
+                   if(sched_ctl->round[CC_idP][harq_pid] == 7){
+                     cancel_ra_proc(mod_idP, CC_idP, frameP, ra[ra_i].rnti);
+                   }
+                 }
+                 break;
+               }
+              }
 	    }
 	    break;
 	case 1:		// Channel Selection

openair2/LAYER2/MAC/pre_processor.c

@@ -2843,6 +2843,14 @@ void ulsch_scheduler_pre_processor(module_id_t module_idP,
                 tx_power= estimate_ue_tx_power(tbs,rb_table[rb_table_index],0,frame_parms->Ncp,0);
               }
             }else{
+              if (cc->tdd_Config && frame_parms->N_RB_UL == 100) {
+                while ( (tbs < UE_template->ul_total_buffer) && (rb_table[rb_table_index]<(frame_parms->N_RB_UL-3-first_rb[CC_id])) &&
+                      ((UE_template->phr_info - tx_power) > 0) && (rb_table_index < 32 )) {
+                  rb_table_index++;
+                  tbs = get_TBS_UL(mcs,rb_table[rb_table_index])<<3;
+                  tx_power= estimate_ue_tx_power(tbs,rb_table[rb_table_index],0,frame_parms->Ncp,0);
+                }
+              } else {
                 while ( (tbs < UE_template->ul_total_buffer) && (rb_table[rb_table_index]<(frame_parms->N_RB_UL-2-first_rb[CC_id])) &&
                        ((UE_template->phr_info - tx_power) > 0) && (rb_table_index < 32 )) {
                   rb_table_index++;
@@ -2850,6 +2858,7 @@ void ulsch_scheduler_pre_processor(module_id_t module_idP,
                   tx_power= estimate_ue_tx_power(tbs,rb_table[rb_table_index],0,frame_parms->Ncp,0);
                 }
               }
+            }
             if ( rb_table[rb_table_index]<3 ) {
               rb_table_index=2;
             }

openair2/LAYER2/MAC/rar_tools.c

@@ -71,11 +71,16 @@ fill_rar(const module_id_t module_idP,
     ra->timing_offset /= 16;	//T_A = N_TA/16, where N_TA should be on a 30.72Msps
     rar[0] = (uint8_t) (ra->timing_offset >> (2 + 4));	// 7 MSBs of timing advance + divide by 4
     rar[1] = (uint8_t) (ra->timing_offset << (4 - 2)) & 0xf0;	// 4 LSBs of timing advance + divide by 4
+    COMMON_channels_t *cc = &RC.mac[module_idP]->common_channels[CC_id];
     if(N_RB_UL == 25){
       ra->msg3_first_rb = 1;
     }else{
+      if (cc->tdd_Config && N_RB_UL == 100) {
+        ra->msg3_first_rb = 3;
+      } else {
         ra->msg3_first_rb = 2;
       }
+    }
     ra->msg3_nb_rb = 1;
     uint16_t rballoc = mac_computeRIV(N_RB_UL, ra->msg3_first_rb, ra->msg3_nb_rb);	// first PRB only for UL Grant
     rar[1] |= (rballoc >> 7) & 7;	// Hopping = 0 (bit 3), 3 MSBs of rballoc