Remove UE-specific ulsch bitmap, special phy test slot

when in phy test, only schedule UE to be in slot 8

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c

@@ -398,7 +398,6 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
   protocol_ctxt_t   ctxt;
   PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, module_idP, ENB_FLAG_YES, NOT_A_RNTI, frame, slot,module_idP);
  
-  uint64_t *ulsch_in_slot_bitmap=NULL;
   const int UE_id = 0;
   const int bwp_id = 1;
 
@@ -434,17 +433,8 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
     nr_rrc_trigger(&ctxt, 0 /*CC_id*/, frame, slot >> *scc->ssbSubcarrierSpacing);
   }
 
-  ulsch_in_slot_bitmap = &RC.nrmac[module_idP]->UE_list.UE_sched_ctrl[UE_id].ulsch_in_slot_bitmap;  // static bitmap signaling which slot in a tdd period contains ulsch
-
-  if (!(slot%num_slots_per_tdd)) {
-    if(slot==0) {
-      *ulsch_in_slot_bitmap = 0x100;
-    }
-    else {
-      *ulsch_in_slot_bitmap = 0x00;
-    }
-  }
   const uint64_t dlsch_in_slot_bitmap = (1 << 1);
+  const uint64_t ulsch_in_slot_bitmap = (1 << 8);
 
   memset(RC.nrmac[module_idP]->cce_list[bwp_id][0],0,MAX_NUM_CCE*sizeof(int)); // coreset0
   memset(RC.nrmac[module_idP]->cce_list[bwp_id][1],0,MAX_NUM_CCE*sizeof(int)); // coresetid 1
@@ -500,7 +490,7 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
   // inside
   if (UE_list->fiveG_connected[UE_id]) {
     int tda = 1; // time domain assignment hardcoded for now
-    schedule_fapi_ul_pdu(module_idP, frame, slot, num_slots_per_tdd, nr_ulmix_slots, tda);
+    schedule_fapi_ul_pdu(module_idP, frame, slot, num_slots_per_tdd, nr_ulmix_slots, tda, ulsch_in_slot_bitmap);
     nr_schedule_pusch(module_idP, UE_id, num_slots_per_tdd, nr_ulmix_slots, frame, slot);
   }
 

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c

@@ -812,12 +812,26 @@ int8_t select_ul_harq_pid(NR_UE_sched_ctrl_t *sched_ctrl) {
   return -1;
 }
 
+long get_K2(NR_BWP_Uplink_t *ubwp, int time_domain_assignment, int mu) {
+  DevAssert(ubwp);
+  const NR_PUSCH_TimeDomainResourceAllocation_t *tda_list = ubwp->bwp_Common->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list.array[time_domain_assignment];
+  if (tda_list->k2)
+    return *tda_list->k2;
+  else if (mu < 2)
+    return 1;
+  else if (mu == 2)
+    return 2;
+  else
+    return 3;
+}
+
 void schedule_fapi_ul_pdu(int Mod_idP,
                           frame_t frameP,
                           sub_frame_t slotP,
                           int num_slots_per_tdd,
                           int ul_slots,
-                          int time_domain_assignment) {
+                          int time_domain_assignment,
+                          uint64_t ulsch_in_slot_bitmap) {
 
   gNB_MAC_INST                      *nr_mac    = RC.nrmac[Mod_idP];
   NR_COMMON_channels_t                  *cc    = nr_mac->common_channels;
@@ -841,18 +855,14 @@ void schedule_fapi_ul_pdu(int Mod_idP,
   AssertFatal(time_domain_assignment<ubwp->bwp_Common->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list.count,
               "time_domain_assignment %d>=%d\n",time_domain_assignment,ubwp->bwp_Common->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list.count);
 
-  int K2;
-  if (ubwp->bwp_Common->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list.array[time_domain_assignment]->k2 != NULL)
-   K2 = *ubwp->bwp_Common->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list.array[time_domain_assignment]->k2;
-  else {
-    if (mu<2) K2=1;
-    else if(mu==2) K2=2;
-         else K2=3;
-  }
-
-  if (is_xlsch_in_slot(UE_list->UE_sched_ctrl[UE_id].ulsch_in_slot_bitmap,(slotP+K2)%num_slots_per_tdd)) {
-
-    //nfapi_nr_ul_tti_request_t *UL_tti_req = &RC.nrmac[Mod_idP]->UL_tti_req[0];
+  int K2 = get_K2(ubwp, time_domain_assignment,mu);
+  /* check if slot is UL, and for phy test verify that it is in first TDD
+   * period, slot 8 (for K2=2, this is at slot 6 in the gNB; because of UE
+   * limitations).  Note that if K2 or the TDD configuration is changed, below
+   * conditions might exclude each other and never be true */
+  const int slot_idx = (slotP + K2) % num_slots_per_tdd;
+  if (is_xlsch_in_slot(ulsch_in_slot_bitmap, slot_idx)
+        && (!get_softmodem_params()->phy_test || slotP == 6)) {
     nfapi_nr_ul_dci_request_t *UL_dci_req = &RC.nrmac[Mod_idP]->UL_dci_req[0];
     UL_dci_req->SFN = frameP;
     UL_dci_req->Slot = slotP;

openair2/LAYER2/NR_MAC_gNB/mac_proto.h

@@ -344,7 +344,8 @@ void schedule_fapi_ul_pdu(int Mod_idP,
                           sub_frame_t slotP,
                           int num_slots_per_tdd,
                           int ul_slots,
-                          int time_domain_assignment);
+                          int time_domain_assignment,
+                          uint64_t ulsch_in_slot_bitmap);
 
 void nr_process_mac_pdu(
     module_id_t module_idP,

openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h

@@ -283,7 +283,6 @@ typedef struct NR_UE_ul_harq {
 
 /*! \brief scheduling control information set through an API */
 typedef struct {
-  uint64_t ulsch_in_slot_bitmap;  // static bitmap signaling which slot in a tdd period contains ulsch
   NR_sched_pucch *sched_pucch;
   NR_sched_pusch *sched_pusch;
   uint16_t ta_timer;