Merge remote-tracking branch 'origin/NR-PHY-MAC-IF-multi-UE' into integration_2020_wk50

openair2/LAYER2/NR_MAC_COMMON/nr_mac_extern.h

@@ -37,6 +37,8 @@
 
 /*#include "PHY/defs_common.h"*/
 
+extern const uint8_t nr_slots_per_frame[5];
+
 /* extern const uint32_t BSR_TABLE[BSR_TABLE_SIZE];
 extern const uint32_t Extended_BSR_TABLE[BSR_TABLE_SIZE];
 extern const uint8_t cqi2fmt0_agg[MAX_SUPPORTED_BW][CQI_VALUE_RANGE];

openair2/LAYER2/NR_MAC_UE/main_ue_nr.c

@@ -37,8 +37,6 @@
 #include "assertions.h"
 #include "PHY/types.h"
 #include "PHY/defs_UE.h"
-#include "openair2/LAYER2/RLC/rlc.h"
-#include "openair2/LAYER2/PDCP_v10.1.0/pdcp.h"
 #include "openair2/LAYER2/nr_pdcp/nr_pdcp_entity.h"
 #include "executables/softmodem-common.h"
 

openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c

@@ -63,7 +63,6 @@
 #include "LAYER2/NR_MAC_UE/mac_proto.h"
 
 extern int64_t table_6_3_3_2_3_prachConfig_Index [256][9];
-extern const uint8_t nr_slots_per_frame[5];
 
 //extern uint8_t  nfapi_mode;
 

openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c

@@ -142,7 +142,6 @@ static ssb_list_info_t ssb_list;
 
 extern int bwp_id;
 extern dci_pdu_rel15_t *def_dci_pdu_rel15;
-extern const uint8_t nr_slots_per_frame[5];
 
 extern void mac_rlc_data_ind     (
 				  const module_id_t         module_idP,

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c

@@ -32,9 +32,7 @@
 
 #include "assertions.h"
 
-#include "LAYER2/MAC/mac.h"
 #include "NR_MAC_COMMON/nr_mac_extern.h"
-#include "LAYER2/MAC/mac_proto.h"
 #include "NR_MAC_gNB/mac_proto.h"
 
 #include "common/utils/LOG/log.h"
@@ -51,15 +49,10 @@
 #include "openair1/PHY/defs_gNB.h"
 #include "openair1/PHY/NR_TRANSPORT/nr_dlsch.h"
 
-//Agent-related headers
-#include "flexran_agent_extern.h"
-#include "flexran_agent_mac.h"
-
 #include "intertask_interface.h"
 
 #include "executables/softmodem-common.h"
 
-const uint8_t slots_per_frame[5] = {10, 20, 40, 80, 160};
 uint16_t nr_pdcch_order_table[6] = { 31, 31, 511, 2047, 2047, 8191 };
 
 void clear_mac_stats(gNB_MAC_INST *gNB) {
@@ -352,7 +345,7 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
       AssertFatal(1==0,"Undefined tdd period %ld\n", scc->tdd_UL_DL_ConfigurationCommon->pattern1.dl_UL_TransmissionPeriodicity);
   }
 
-  int num_slots_per_tdd = (slots_per_frame[*scc->ssbSubcarrierSpacing])/nb_periods_per_frame;
+  int num_slots_per_tdd = (nr_slots_per_frame[*scc->ssbSubcarrierSpacing])/nb_periods_per_frame;
 
   const int nr_ulmix_slots = tdd_pattern->nrofUplinkSlots + (tdd_pattern->nrofUplinkSymbols!=0);
 
@@ -393,7 +386,7 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
 
 
   // This schedules MIB
-  schedule_nr_mib(module_idP, frame, slot, slots_per_frame[*scc->ssbSubcarrierSpacing]);
+  schedule_nr_mib(module_idP, frame, slot, nr_slots_per_frame[*scc->ssbSubcarrierSpacing]);
 
   // This schedule PRACH if we are not in phy_test mode
   if (get_softmodem_params()->phy_test == 0) {
@@ -414,7 +407,7 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
 
   // This schedule CSI measurement reporting
   if (UE_info->active[UE_id])
-    nr_csi_meas_reporting(module_idP, UE_id, frame, slot, num_slots_per_tdd, nr_ulmix_slots, slots_per_frame[*scc->ssbSubcarrierSpacing]);
+    nr_csi_meas_reporting(module_idP, UE_id, frame, slot, num_slots_per_tdd, nr_ulmix_slots, nr_slots_per_frame[*scc->ssbSubcarrierSpacing]);
 
   // This schedule RA procedure if not in phy_test mode
   // Otherwise already consider 5G already connected

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c

@@ -42,7 +42,6 @@
 #include "SIMULATION/TOOLS/sim.h" // for taus
 
 extern RAN_CONTEXT_t RC;
-extern const uint8_t nr_slots_per_frame[5];
 
 uint8_t DELTA[4]= {2,3,4,6};
 
@@ -1041,7 +1040,11 @@ void nr_fill_rar(uint8_t Mod_idP,
                  uint8_t * dlsch_buffer,
                  nfapi_nr_pusch_pdu_t  *pusch_pdu){
 
-  LOG_I(MAC, "[gNB] Generate RAR MAC PDU frame %d slot %d preamble index %u", ra->Msg2_frame, ra-> Msg2_slot, ra->preamble_index);
+  LOG_I(MAC,
+        "[gNB] Generate RAR MAC PDU frame %d slot %d preamble index %u\n",
+        ra->Msg2_frame,
+        ra->Msg2_slot,
+        ra->preamble_index);
   NR_RA_HEADER_RAPID *rarh = (NR_RA_HEADER_RAPID *) dlsch_buffer;
   NR_MAC_RAR *rar = (NR_MAC_RAR *) (dlsch_buffer + 1);
   unsigned char csi_req = 0, tpc_command;

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c

@@ -38,7 +38,6 @@
 #include "NR_MAC_COMMON/nr_mac.h"
 #include "NR_MAC_gNB/nr_mac_gNB.h"
 #include "NR_MAC_COMMON/nr_mac_extern.h"
-#include "LAYER2/MAC/mac.h"
 #include "LAYER2/NR_MAC_gNB/mac_proto.h"
 
 /*NFAPI*/

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c

@@ -32,7 +32,6 @@
 
 #include "assertions.h"
 
-#include "LAYER2/MAC/mac.h"
 #include "NR_MAC_gNB/nr_mac_gNB.h"
 #include "NR_MAC_COMMON/nr_mac_extern.h"
 
@@ -48,9 +47,6 @@
 #include "RRC/NR/nr_rrc_extern.h"
 #include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h"
 
-//#include "LAYER2/MAC/pre_processor.c"
-#include "pdcp.h"
-
 #include "intertask_interface.h"
 
 #include "T.h"

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c

@@ -274,15 +274,27 @@ void nr_csi_meas_reporting(int Mod_idP,
 }
 
 
-void nr_rx_acknack(nfapi_nr_uci_pusch_pdu_t *uci_pusch,
-                   nfapi_nr_uci_pucch_pdu_format_0_1_t *uci_01,
-                   nfapi_nr_uci_pucch_pdu_format_2_3_4_t *uci_234,
-                   NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl, NR_mac_stats_t *stats) {
+void handle_nr_uci_pucch_0_1(module_id_t mod_id,
+                             frame_t frame,
+                             sub_frame_t slot,
+                             const nfapi_nr_uci_pucch_pdu_format_0_1_t *uci_01)
+{
+  int UE_id = find_nr_UE_id(mod_id, uci_01->rnti);
+  if (UE_id < 0) {
+    LOG_E(MAC, "%s(): unknown RNTI %04x in PUCCH UCI\n", __func__, uci_01->rnti);
+    return;
+  }
+  NR_UE_info_t *UE_info = &RC.nrmac[mod_id]->UE_info;
+  NR_UE_sched_ctrl_t *sched_ctrl = &UE_info->UE_sched_ctrl[UE_id];
+
+  // tpc (power control)
+  sched_ctrl->tpc1 = nr_get_tpc(RC.nrmac[mod_id]->pucch_target_snrx10,
+                                uci_01->ul_cqi,
+                                30);
 
   // TODO
   int max_harq_rounds = 4; // TODO define macro
-
-  if (uci_01 != NULL) {
+  if (((uci_01->pduBitmap >> 1) & 0x01)) {
     // handle harq
     int harq_idx_s = 0;
 
@@ -291,7 +303,7 @@ void nr_rx_acknack(nfapi_nr_uci_pusch_pdu_t *uci_pusch,
       // search for the right harq process
       for (int harq_idx = harq_idx_s; harq_idx < NR_MAX_NB_HARQ_PROCESSES; harq_idx++) {
         // if the gNB received ack with a good confidence
-        if ((UL_info->slot-1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
+        if ((slot - 1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
           sched_ctrl->harq_processes[harq_idx].feedback_slot = -1;
           if ((uci_01->harq->harq_list[harq_bit].harq_value == 1) &&
               (uci_01->harq->harq_confidence_level == 0)) {
@@ -307,13 +319,13 @@ void nr_rx_acknack(nfapi_nr_uci_pusch_pdu_t *uci_pusch,
           if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
             sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
             sched_ctrl->harq_processes[harq_idx].round = 0;
-            stats->dlsch_errors++;
+            UE_info->mac_stats[UE_id].dlsch_errors++;
           }
           break;
         }
         // if feedback slot processing is aborted
         else if (sched_ctrl->harq_processes[harq_idx].feedback_slot != -1
-                 && (UL_info->slot-1) > sched_ctrl->harq_processes[harq_idx].feedback_slot
+                 && (slot - 1) > sched_ctrl->harq_processes[harq_idx].feedback_slot
                  && sched_ctrl->harq_processes[harq_idx].is_waiting) {
           sched_ctrl->harq_processes[harq_idx].feedback_slot = -1;
           sched_ctrl->harq_processes[harq_idx].round++;
@@ -326,9 +338,29 @@ void nr_rx_acknack(nfapi_nr_uci_pusch_pdu_t *uci_pusch,
       }
     }
   }
+}
+
+void handle_nr_uci_pucch_2_3_4(module_id_t mod_id,
+                               frame_t frame,
+                               sub_frame_t slot,
+                               const nfapi_nr_uci_pucch_pdu_format_2_3_4_t *uci_234)
+{
+  int UE_id = find_nr_UE_id(mod_id, uci_234->rnti);
+  if (UE_id < 0) {
+    LOG_E(MAC, "%s(): unknown RNTI %04x in PUCCH UCI\n", __func__, uci_234->rnti);
+    return;
+  }
+  NR_UE_info_t *UE_info = &RC.nrmac[mod_id]->UE_info;
+  NR_UE_sched_ctrl_t *sched_ctrl = &UE_info->UE_sched_ctrl[UE_id];
 
+  // tpc (power control)
+  sched_ctrl->tpc1 = nr_get_tpc(RC.nrmac[mod_id]->pucch_target_snrx10,
+                                uci_234->ul_cqi,
+                                30);
 
-  if (uci_234 != NULL) {
+  // TODO
+  int max_harq_rounds = 4; // TODO define macro
+  if ((uci_234->pduBitmap >> 1) & 0x01) {
     int harq_idx_s = 0;
     int acknack;
 
@@ -337,7 +369,7 @@ void nr_rx_acknack(nfapi_nr_uci_pusch_pdu_t *uci_pusch,
       acknack = ((uci_234->harq.harq_payload[harq_bit>>3])>>harq_bit)&0x01;
       for (int harq_idx = harq_idx_s; harq_idx < NR_MAX_NB_HARQ_PROCESSES-1; harq_idx++) {
         // if the gNB received ack with a good confidence or if the max harq rounds was reached
-        if ((UL_info->slot-1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
+        if ((slot - 1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
           // TODO add some confidence level for when there is no CRC
           sched_ctrl->harq_processes[harq_idx].feedback_slot = -1;
           if ((uci_234->harq.harq_crc != 1) && acknack) {
@@ -353,13 +385,13 @@ void nr_rx_acknack(nfapi_nr_uci_pusch_pdu_t *uci_pusch,
           if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
             sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
             sched_ctrl->harq_processes[harq_idx].round = 0;
-            stats->dlsch_errors++;
+            UE_info->mac_stats[UE_id].dlsch_errors++;
           }
           break;
         }
         // if feedback slot processing is aborted
         else if (sched_ctrl->harq_processes[harq_idx].feedback_slot != -1
-                 && (UL_info->slot-1) > sched_ctrl->harq_processes[harq_idx].feedback_slot
+                 && (slot - 1) > sched_ctrl->harq_processes[harq_idx].feedback_slot
                  && sched_ctrl->harq_processes[harq_idx].is_waiting) {
           sched_ctrl->harq_processes[harq_idx].feedback_slot = -1;
           sched_ctrl->harq_processes[harq_idx].round++;

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c

@@ -261,37 +261,58 @@ void nr_process_mac_pdu(
     }
 }
 
-void handle_nr_ul_harq(uint16_t slot, NR_UE_sched_ctrl_t *sched_ctrl, NR_mac_stats_t *stats, nfapi_nr_crc_t crc_pdu) {
+void handle_nr_ul_harq(module_id_t mod_id,
+                       frame_t frame,
+                       sub_frame_t slot,
+                       const nfapi_nr_crc_t *crc_pdu)
+{
+  int UE_id = find_nr_UE_id(mod_id, crc_pdu->rnti);
+  if (UE_id < 0) {
+    LOG_E(MAC, "%s(): unknown RNTI %04x in PUSCH\n", __func__, crc_pdu->rnti);
+    return;
+  }
+  NR_UE_info_t *UE_info = &RC.nrmac[mod_id]->UE_info;
+  NR_UE_sched_ctrl_t *sched_ctrl = &UE_info->UE_sched_ctrl[UE_id];
 
   int max_harq_rounds = 4; // TODO define macro
-  uint8_t hrq_id = crc_pdu.harq_id;
+  uint8_t hrq_id = crc_pdu->harq_id;
   NR_UE_ul_harq_t *cur_harq = &sched_ctrl->ul_harq_processes[hrq_id];
   if (cur_harq->state==ACTIVE_SCHED) {
-    if (!crc_pdu.tb_crc_status) {
+    if (!crc_pdu->tb_crc_status) {
       cur_harq->ndi ^= 1;
       cur_harq->round = 0;
       cur_harq->state = INACTIVE; // passed -> make inactive. can be used by scheduder for next grant
-#ifdef UL_HARQ_PRINT
-      printf("[HARQ HANDLER] Ulharq id %d crc passed, freeing it for scheduler\n",hrq_id);
-#endif
+      LOG_D(MAC,
+            "Ulharq id %d crc passed for RNTI %04x\n",
+            hrq_id,
+            crc_pdu->rnti);
     } else {
       cur_harq->round++;
       cur_harq->state = ACTIVE_NOT_SCHED;
-#ifdef UL_HARQ_PRINT
-      printf("[HARQ HANDLER] Ulharq id %d crc failed, requesting retransmission\n",hrq_id);
-#endif
+      LOG_D(MAC,
+            "Ulharq id %d crc failed for RNTI %04x\n",
+            hrq_id,
+            crc_pdu->rnti);
     }
 
     if (!(cur_harq->round<max_harq_rounds)) {
       cur_harq->ndi ^= 1;
       cur_harq->state = INACTIVE; // failed after 4 rounds -> make inactive
       cur_harq->round = 0;
-      LOG_D(MAC,"[HARQ HANDLER] RNTI %x: Ulharq id %d crc failed in all round, freeing it for scheduler\n",crc_pdu.rnti,hrq_id);
-      stats->ulsch_errors++;
+      LOG_D(MAC,
+            "RNTI %04x: Ulharq id %d crc failed in all rounds\n",
+            crc_pdu->rnti,
+            hrq_id);
+      UE_info->mac_stats[UE_id].ulsch_errors++;
     }
     return;
   } else
-    LOG_W(MAC,"Incorrect ULSCH HARQ process %d or invalid state %d (ignore this warning for RA)\n",hrq_id,cur_harq->state);
+    LOG_W(MAC,
+          "Incorrect ULSCH HARQ PID %d or invalid state %d for RNTI %04x "
+          "(ignore this warning for RA)\n",
+          hrq_id,
+          cur_harq->state,
+          crc_pdu->rnti);
 }
 
 /*

openair2/LAYER2/NR_MAC_gNB/mac_proto.h

@@ -180,10 +180,15 @@ void nr_fill_nfapi_dl_pdu(int Mod_id,
                           int ndi,
                           int round);
 
-void nr_rx_acknack(nfapi_nr_uci_pusch_pdu_t *uci_pusch,
-                   nfapi_nr_uci_pucch_pdu_format_0_1_t *uci_01,
-                   nfapi_nr_uci_pucch_pdu_format_2_3_4_t *uci_234,
-                   NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl, NR_mac_stats_t *stats);
+void handle_nr_uci_pucch_0_1(module_id_t mod_id,
+                             frame_t frame,
+                             sub_frame_t slot,
+                             const nfapi_nr_uci_pucch_pdu_format_0_1_t *uci_01);
+void handle_nr_uci_pucch_2_3_4(module_id_t mod_id,
+                               frame_t frame,
+                               sub_frame_t slot,
+                               const nfapi_nr_uci_pucch_pdu_format_2_3_4_t *uci_234);
+
 
 void config_uldci(NR_BWP_Uplink_t *ubwp,
                   nfapi_nr_pusch_pdu_t *pusch_pdu,
@@ -413,7 +418,10 @@ void nr_rx_sdu(const module_id_t gnb_mod_idP,
                const uint8_t ul_cqi,
                const uint16_t rssi);
 
-void handle_nr_ul_harq(uint16_t slot, NR_UE_sched_ctrl_t *sched_ctrl, NR_mac_stats_t *stats, nfapi_nr_crc_t crc_pdu);
+void handle_nr_ul_harq(module_id_t mod_id,
+                       frame_t frame,
+                       sub_frame_t slot,
+                       const nfapi_nr_crc_t *crc_pdu);
 
 int16_t ssb_index_from_prach(module_id_t module_idP,
                              frame_t frameP,
@@ -424,5 +432,4 @@ int16_t ssb_index_from_prach(module_id_t module_idP,
 
 void find_SSB_and_RO_available(module_id_t module_idP);
 
-void handle_nr_uci(NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl, NR_mac_stats_t *stats, int target_snrx10);
 #endif /*__LAYER2_NR_MAC_PROTO_H__*/

openair2/LAYER2/NR_MAC_gNB/main.c

@@ -34,7 +34,6 @@
 #include "NR_MAC_COMMON/nr_mac_extern.h"
 #include "assertions.h"
 
-#include "LAYER2/PDCP_v10.1.0/pdcp.h"
 #include "LAYER2/nr_pdcp/nr_pdcp_entity.h"
 #include "RRC/NR/nr_rrc_defs.h"
 #include "common/utils/LOG/log.h"

openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h

@@ -62,8 +62,6 @@
 #include "NR_PHY_INTERFACE/NR_IF_Module.h"
 
 /* MAC */
-#include "LAYER2/MAC/mac.h"
-#include "LAYER2/MAC/mac_proto.h"
 #include "LAYER2/NR_MAC_COMMON/nr_mac_extern.h"
 #include "LAYER2/NR_MAC_COMMON/nr_mac_common.h"
 #include "NR_TAG.h"
@@ -457,7 +455,6 @@ typedef struct {
 /*! \brief UE list used by gNB to order UEs/CC for scheduling*/
 #define MAX_CSI_REPORTCONFIG 48
 typedef struct {
-  DLSCH_PDU DLSCH_pdu[4][MAX_MOBILES_PER_GNB];
   /// scheduling control info
   nr_csi_report_t csi_report_template[MAX_MOBILES_PER_GNB][MAX_CSI_REPORTCONFIG];
   NR_UE_sched_ctrl_t UE_sched_ctrl[MAX_MOBILES_PER_GNB];

openair2/NR_PHY_INTERFACE/NR_IF_Module.c

@@ -30,12 +30,9 @@
 * \warning
 */
 
-#include "openair1/PHY/defs_eNB.h"
-#include "openair1/PHY/phy_extern.h"
 #include "openair1/SCHED_NR/fapi_nr_l1.h"
 #include "openair2/NR_PHY_INTERFACE/NR_IF_Module.h"
 #include "LAYER2/NR_MAC_COMMON/nr_mac_extern.h"
-#include "LAYER2/MAC/mac_proto.h"
 #include "LAYER2/NR_MAC_gNB/mac_proto.h"
 #include "common/ran_context.h"
 #include "executables/softmodem-common.h"
@@ -79,35 +76,28 @@ void handle_nr_rach(NR_UL_IND_t *UL_info) {
 }
 
 
-void handle_nr_uci(NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl, NR_mac_stats_t *stats, int target_snrx10) {
-
+void handle_nr_uci(NR_UL_IND_t *UL_info)
+{
+  const module_id_t mod_id = UL_info->module_id;
+  const frame_t frame = UL_info->frame;
+  const sub_frame_t slot = UL_info->slot;
   int num_ucis = UL_info->uci_ind.num_ucis;
   nfapi_nr_uci_t *uci_list = UL_info->uci_ind.uci_list;
 
   for (int i = 0; i < num_ucis; i++) {
     switch (uci_list[i].pdu_type) {
-      case NFAPI_NR_UCI_PUSCH_PDU_TYPE: break;
+      case NFAPI_NR_UCI_PUSCH_PDU_TYPE:
+        LOG_E(MAC, "%s(): unhandled NFAPI_NR_UCI_PUSCH_PDU_TYPE\n", __func__);
+        break;
 
       case NFAPI_NR_UCI_FORMAT_0_1_PDU_TYPE: {
-        nfapi_nr_uci_pucch_pdu_format_0_1_t *uci_pdu = &uci_list[i].pucch_pdu_format_0_1;
-
-        // tpc (power control)
-        sched_ctrl->tpc1 = nr_get_tpc(target_snrx10,uci_pdu->ul_cqi,30);
-
-        if( (uci_pdu->pduBitmap>>1) & 0x01)
-          nr_rx_acknack(NULL,uci_pdu,NULL,UL_info,sched_ctrl,stats);
-
+        const nfapi_nr_uci_pucch_pdu_format_0_1_t *uci_pdu = &uci_list[i].pucch_pdu_format_0_1;
+        handle_nr_uci_pucch_0_1(mod_id, frame, slot, uci_pdu);
         break;
       }
       case NFAPI_NR_UCI_FORMAT_2_3_4_PDU_TYPE: {
-        nfapi_nr_uci_pucch_pdu_format_2_3_4_t *uci_pdu = &uci_list[i].pucch_pdu_format_2_3_4;
-
-        // tpc (power control)
-        sched_ctrl->tpc1 = nr_get_tpc(target_snrx10,uci_pdu->ul_cqi,30);
-
-        if( (uci_pdu->pduBitmap>>1) & 0x01)
-          nr_rx_acknack(NULL,NULL,uci_pdu,UL_info,sched_ctrl,stats);
-
+        const nfapi_nr_uci_pucch_pdu_format_2_3_4_t *uci_pdu = &uci_list[i].pucch_pdu_format_2_3_4;
+        handle_nr_uci_pucch_2_3_4(mod_id, frame, slot, uci_pdu);
         break;
       }
     }
@@ -117,75 +107,62 @@ void handle_nr_uci(NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl, NR_mac_
 }
 
 
-void handle_nr_ulsch(NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl, NR_mac_stats_t *stats) {
-
-  if(nfapi_mode == 1) {
-    if (UL_info->crc_ind.number_crcs>0) {
-      //LOG_D(PHY,"UL_info->crc_ind.crc_indication_body.number_of_crcs:%d CRC_IND:SFN/SF:%d\n", UL_info->crc_ind.crc_indication_body.number_of_crcs, NFAPI_SFNSF2DEC(UL_info->crc_ind.sfn_sf));
-      //      oai_nfapi_crc_indication(&UL_info->crc_ind);
-
-      UL_info->crc_ind.number_crcs = 0;
-    }
-
-    if (UL_info->rx_ind.number_of_pdus>0) {
-      //LOG_D(PHY,"UL_info->rx_ind.number_of_pdus:%d RX_IND:SFN/SF:%d\n", UL_info->rx_ind.rx_indication_body.number_of_pdus, NFAPI_SFNSF2DEC(UL_info->rx_ind.sfn_sf));
-      //      oai_nfapi_rx_ind(&UL_info->rx_ind);
-      UL_info->rx_ind.number_of_pdus = 0;
-    }
-  } else {
-
-    if (UL_info->rx_ind.number_of_pdus>0 && UL_info->crc_ind.number_crcs>0) {
-      for (int i=0; i<UL_info->rx_ind.number_of_pdus; i++) {
-        for (int j=0; j<UL_info->crc_ind.number_crcs; j++) {
+void handle_nr_ulsch(NR_UL_IND_t *UL_info)
+{
+  if (UL_info->rx_ind.number_of_pdus > 0 && UL_info->crc_ind.number_crcs > 0) {
+    for (int i = 0; i < UL_info->rx_ind.number_of_pdus; i++) {
+      for (int j = 0; j < UL_info->crc_ind.number_crcs; j++) {
         // find crc_indication j corresponding rx_indication i
-          LOG_D(PHY,"UL_info->crc_ind.crc_indication_body.crc_pdu_list[%d].rx_ue_information.rnti:%04x UL_info->rx_ind.rx_indication_body.rx_pdu_list[%d].rx_ue_information.rnti:%04x\n", j,
-                UL_info->crc_ind.crc_list[j].rnti, i, UL_info->rx_ind.pdu_list[i].rnti);
-
-          if (UL_info->crc_ind.crc_list[j].rnti ==
-              UL_info->rx_ind.pdu_list[i].rnti) {
-            LOG_D(PHY, "UL_info->crc_ind.crc_indication_body.crc_pdu_list[%d].crc_indication_rel8.crc_flag:%d\n", j, UL_info->crc_ind.crc_list[j].tb_crc_status);
-
-            handle_nr_ul_harq(UL_info->slot, sched_ctrl, stats, UL_info->crc_ind.crc_list[j]);
-
-            if (UL_info->crc_ind.crc_list[j].tb_crc_status == 1) { // CRC error indication
-              LOG_D(MAC,"Frame %d, Slot %d Calling rx_sdu (CRC error) \n",UL_info->frame,UL_info->slot);
-
-              nr_rx_sdu(UL_info->module_id,
-                        UL_info->CC_id,
-                        UL_info->rx_ind.sfn, //UL_info->frame,
-                        UL_info->rx_ind.slot, //UL_info->slot,
-                        UL_info->rx_ind.pdu_list[i].rnti,
-                        (uint8_t *)NULL,
-                        UL_info->rx_ind.pdu_list[i].pdu_length,
-                        UL_info->rx_ind.pdu_list[i].timing_advance,
-                        UL_info->rx_ind.pdu_list[i].ul_cqi,
-                        UL_info->rx_ind.pdu_list[i].rssi);
-            } else {
-              LOG_D(MAC,"Frame %d, Slot %d Calling rx_sdu (CRC ok) \n",UL_info->frame,UL_info->slot);
+        const nfapi_nr_rx_data_pdu_t *rx = &UL_info->rx_ind.pdu_list[i];
+        const nfapi_nr_crc_t *crc = &UL_info->crc_ind.crc_list[j];
+        LOG_D(PHY,
+              "UL_info->crc_ind.pdu_list[%d].rnti:%04x "
+              "UL_info->rx_ind.pdu_list[%d].rnti:%04x\n",
+              j,
+              crc->rnti,
+              i,
+              rx->rnti);
+
+        if (crc->rnti != rx->rnti)
+          continue;
+
+        LOG_D(MAC,
+              "%4d.%2d Calling rx_sdu (CRC %s/tb_crc_status %d)\n",
+              UL_info->frame,
+              UL_info->slot,
+              crc->tb_crc_status ? "error" : "ok",
+              crc->tb_crc_status);
+
+        /* if CRC passes, pass PDU, otherwise pass NULL as error indication */
         nr_rx_sdu(UL_info->module_id,
                   UL_info->CC_id,
-                        UL_info->rx_ind.sfn, //UL_info->frame,
-                        UL_info->rx_ind.slot, //UL_info->slot,
-                        UL_info->rx_ind.pdu_list[i].rnti,
-                        UL_info->rx_ind.pdu_list[i].pdu,
-                        UL_info->rx_ind.pdu_list[i].pdu_length,
-                        UL_info->rx_ind.pdu_list[i].timing_advance,
-                        UL_info->rx_ind.pdu_list[i].ul_cqi,
-                        UL_info->rx_ind.pdu_list[i].rssi);
-            }
+                  UL_info->rx_ind.sfn,
+                  UL_info->rx_ind.slot,
+                  rx->rnti,
+                  crc->tb_crc_status ? NULL : rx->pdu,
+                  rx->pdu_length,
+                  rx->timing_advance,
+                  rx->ul_cqi,
+                  rx->rssi);
+        handle_nr_ul_harq(UL_info->module_id, UL_info->frame, UL_info->slot, crc);
         break;
-          }
       } //    for (j=0;j<UL_info->crc_ind.number_crcs;j++)
     } //   for (i=0;i<UL_info->rx_ind.number_of_pdus;i++)
 
-      UL_info->crc_ind.number_crcs=0;
+    UL_info->crc_ind.number_crcs = 0;
     UL_info->rx_ind.number_of_pdus = 0;
-    }
-    else if (UL_info->rx_ind.number_of_pdus!=0 || UL_info->crc_ind.number_crcs!=0) {
-      LOG_E(PHY,"hoping not to have mis-match between CRC ind and RX ind - hopefully the missing message is coming shortly rx_ind:%d(SFN/SL:%d/%d) crc_ind:%d(SFN/SL:%d/%d) \n",
-            UL_info->rx_ind.number_of_pdus, UL_info->rx_ind.sfn, UL_info->rx_ind.slot,
-            UL_info->crc_ind.number_crcs, UL_info->rx_ind.sfn, UL_info->rx_ind.slot);
-    }
+  } else if (UL_info->rx_ind.number_of_pdus != 0
+             || UL_info->crc_ind.number_crcs != 0) {
+    LOG_E(PHY,
+          "hoping not to have mis-match between CRC ind and RX ind - "
+          "hopefully the missing message is coming shortly "
+          "rx_ind:%d(SFN/SL:%d/%d) crc_ind:%d(SFN/SL:%d/%d) \n",
+          UL_info->rx_ind.number_of_pdus,
+          UL_info->rx_ind.sfn,
+          UL_info->rx_ind.slot,
+          UL_info->crc_ind.number_crcs,
+          UL_info->rx_ind.sfn,
+          UL_info->rx_ind.slot);
   }
 }
 
@@ -218,10 +195,10 @@ void NR_UL_indication(NR_UL_IND_t *UL_info) {
 
   handle_nr_rach(UL_info);
   
-  handle_nr_uci(UL_info,&mac->UE_info.UE_sched_ctrl[0],&mac->UE_info.mac_stats[0],mac->pucch_target_snrx10);
+  handle_nr_uci(UL_info);
   // clear HI prior to handling ULSCH
   mac->UL_dci_req[CC_id].numPdus = 0;
-  handle_nr_ulsch(UL_info, &mac->UE_info.UE_sched_ctrl[0],&mac->UE_info.mac_stats[0]);
+  handle_nr_ulsch(UL_info);
 
   if (nfapi_mode != 1) {
     if (ifi->CC_mask == ((1<<MAX_NUM_CCs)-1)) {