Merge remote-tracking branch 'origin/fixes-mac-sched-nfapi' into integration_2020_wk42

nfapi/oai_integration/nfapi_vnf.c

@@ -348,7 +348,15 @@ int wake_eNB_rxtx(PHY_VARS_eNB *eNB, uint16_t sfn, uint16_t sf) {
     old_sf = sf;
     old_sfn = sfn;
 
-    if (old_sf == 0 && old_sfn % 100==0) LOG_W( PHY,"[eNB] sfn/sf:%d%d old_sfn/sf:%d%d proc[rx:%d%d]\n", sfn, sf, old_sfn, old_sf, proc->frame_rx, proc->subframe_rx);
+    if (old_sf == 0 && old_sfn % 100==0)
+      LOG_D(PHY,
+            "[eNB] sfn/sf:%d%d old_sfn/sf:%d%d proc[rx:%d%d]\n",
+            sfn,
+            sf,
+            old_sfn,
+            old_sf,
+            proc->frame_rx,
+            proc->subframe_rx);
   }
 
   ++L1_proc->instance_cnt;
@@ -435,6 +443,7 @@ int phy_rach_indication(struct nfapi_vnf_p7_config *config, nfapi_rach_indicatio
     }
     if(index == -1){
       LOG_E(MAC,"phy_rach_indication : num of rach reach max \n");
+      pthread_mutex_unlock(&eNB->UL_INFO_mutex);
       return 0;
     }
     UL_RCC_INFO.rach_ind[index] = *ind;
@@ -499,6 +508,7 @@ int phy_harq_indication(struct nfapi_vnf_p7_config *config, nfapi_harq_indicatio
     }
     if(index == -1){
       LOG_E(MAC,"phy_harq_indication : num of harq reach max \n");
+      pthread_mutex_unlock(&eNB->UL_INFO_mutex);
       return 0;
     }
     UL_RCC_INFO.harq_ind[index] = *ind;
@@ -538,6 +548,7 @@ int phy_crc_indication(struct nfapi_vnf_p7_config *config, nfapi_crc_indication_
     }
     if(index == -1){
       LOG_E(MAC,"phy_crc_indication : num of crc reach max \n");
+      pthread_mutex_unlock(&eNB->UL_INFO_mutex);
       return 0;
     }
     UL_RCC_INFO.crc_ind[index] = *ind;
@@ -603,6 +614,7 @@ int phy_rx_indication(struct nfapi_vnf_p7_config *config, nfapi_rx_indication_t
     }
     if(index == -1){
       LOG_E(MAC,"phy_rx_indication : num of rx reach max \n");
+      pthread_mutex_unlock(&eNB->UL_INFO_mutex);
       return 0;
     }
     UL_RCC_INFO.rx_ind[index] = *ind;
@@ -686,6 +698,7 @@ int phy_sr_indication(struct nfapi_vnf_p7_config *config, nfapi_sr_indication_t
     }
     if(index == -1){
       LOG_E(MAC,"phy_sr_indication : num of sr reach max \n");
+      pthread_mutex_unlock(&eNB->UL_INFO_mutex);
       return 0;
     }
     UL_RCC_INFO.sr_ind[index] = *ind;
@@ -737,6 +750,7 @@ int phy_cqi_indication(struct nfapi_vnf_p7_config *config, nfapi_cqi_indication_
     }
     if(index == -1){
       LOG_E(MAC,"phy_cqi_indication : num of cqi reach max \n");
+      pthread_mutex_unlock(&eNB->UL_INFO_mutex);
       return 0;
     }
     UL_RCC_INFO.cqi_ind[index] = *ind;

nfapi/open-nFAPI/vnf/src/vnf_p7.c

@@ -955,7 +955,7 @@ void vnf_handle_ul_node_sync(void *pRecvMsg, int recvMsgLen, vnf_p7_t* vnf_p7)
                   struct timespec ts;
                   clock_gettime(CLOCK_MONOTONIC, &ts);
 
-			NFAPI_TRACE(NFAPI_TRACE_NOTE, "(%4d/%1d) %d.%d PNF to VNF phy_id:%2d (t1/2/3/4:%8u, %8u, %8u, %8u) txrx:%4u procT:%3u latency(us):%4d(avg:%4d) offset(us):%8d filtered(us):%8d wrap[t1:%u t2:%u]\n", 
+			NFAPI_TRACE(NFAPI_TRACE_INFO, "(%4d/%1d) %d.%d PNF to VNF phy_id:%2d (t1/2/3/4:%8u, %8u, %8u, %8u) txrx:%4u procT:%3u latency(us):%4d(avg:%4d) offset(us):%8d filtered(us):%8d wrap[t1:%u t2:%u]\n",
 					NFAPI_SFNSF2SFN(phy->sfn_sf), NFAPI_SFNSF2SF(phy->sfn_sf), ts.tv_sec, ts.tv_nsec, ind.header.phy_id,
 					ind.t1, ind.t2, ind.t3, t4, 
 					tx_2_rx, pnf_proc_time, latency, phy->average_latency, phy->sf_offset, phy->sf_offset_filtered,
@@ -1016,7 +1016,7 @@ void vnf_handle_ul_node_sync(void *pRecvMsg, int recvMsgLen, vnf_p7_t* vnf_p7)
 		{
 			phy->adjustment = NFAPI_SFNSF2DEC(new_sfn_sf) - NFAPI_SFNSF2DEC(curr_sfn_sf);
 
-			NFAPI_TRACE(NFAPI_TRACE_NOTE, "PNF to VNF phy_id:%d adjustment%d phy->previous_sf_offset_filtered:%d phy->previous_sf_offset_filtered:%d phy->sf_offset_trend:%d\n", ind.header.phy_id, phy->adjustment, phy->previous_sf_offset_filtered, phy->previous_sf_offset_filtered, phy->sf_offset_trend);
+			NFAPI_TRACE(NFAPI_TRACE_INFO, "PNF to VNF phy_id:%d adjustment%d phy->previous_sf_offset_filtered:%d phy->previous_sf_offset_filtered:%d phy->sf_offset_trend:%d\n", ind.header.phy_id, phy->adjustment, phy->previous_sf_offset_filtered, phy->previous_sf_offset_filtered, phy->sf_offset_trend);
 
 			phy->previous_t1 = 0;
 			phy->previous_t2 = 0;

openair2/LAYER2/MAC/main_ue.c

@@ -44,7 +44,6 @@
 
 
 #include "common/ran_context.h"
-extern FILL_UL_INFO_MUTEX_t fill_ul_mutex;
 extern void openair_rrc_top_init_ue( int eMBMS_active, char *uecap_xer, uint8_t cba_group_active, uint8_t HO_active);
 
 void dl_phy_sync_success(module_id_t module_idP, frame_t frameP, unsigned char eNB_index, uint8_t first_sync) { //init as MR
@@ -90,16 +89,6 @@ mac_top_init_ue(int eMBMS_active, char *uecap_xer,
     UE_mac_inst = NULL;
   }
 
-  // mutex below are used for multiple UE's L2 FAPI simulation.
-  if (NFAPI_MODE == NFAPI_UE_STUB_PNF) {
-    pthread_mutex_init(&fill_ul_mutex.rx_mutex,NULL);
-    pthread_mutex_init(&fill_ul_mutex.crc_mutex,NULL);
-    pthread_mutex_init(&fill_ul_mutex.sr_mutex,NULL);
-    pthread_mutex_init(&fill_ul_mutex.harq_mutex,NULL);
-    pthread_mutex_init(&fill_ul_mutex.cqi_mutex,NULL);
-    pthread_mutex_init(&fill_ul_mutex.rach_mutex,NULL);
-  }
-
   LOG_I(MAC, "[MAIN] calling RRC\n");
   openair_rrc_top_init_ue(eMBMS_active, uecap_xer, cba_group_active,
                           HO_active);

openair2/LAYER2/MAC/pre_processor.c

@@ -69,6 +69,70 @@ int get_rbg_size_last(module_id_t Mod_id, int CC_id) {
     return RBGsize;
 }
 
+bool try_allocate_harq_retransmission(module_id_t Mod_id,
+                                      int CC_id,
+                                      int frame,
+                                      int subframe,
+                                      int UE_id,
+                                      int start_rbg,
+                                      int *n_rbg_sched,
+                                      uint8_t *rbgalloc_mask) {
+  const int N_RBG = to_rbg(RC.mac[Mod_id]->common_channels[CC_id].mib->message.dl_Bandwidth);
+  const int RBGsize = get_min_rb_unit(Mod_id, CC_id);
+  const int RBGlastsize = get_rbg_size_last(Mod_id, CC_id);
+  UE_info_t *UE_info = &RC.mac[Mod_id]->UE_info;
+  // check whether there are HARQ retransmissions
+  const COMMON_channels_t *cc = &RC.mac[Mod_id]->common_channels[CC_id];
+  const uint8_t harq_pid = frame_subframe2_dl_harq_pid(cc->tdd_Config, frame, subframe);
+  UE_sched_ctrl_t *ue_ctrl = &UE_info->UE_sched_ctrl[UE_id];
+  // retransmission: allocate
+  const int nb_rb = UE_info->UE_template[CC_id][UE_id].nb_rb[harq_pid];
+  if (nb_rb == 0) {
+    return false;
+  }
+  int nb_rbg = (nb_rb + (nb_rb % RBGsize)) / RBGsize;
+  // needs more RBGs than we can allocate
+  if (nb_rbg > *n_rbg_sched) {
+    LOG_D(MAC,
+          "retransmission of UE %d needs more RBGs (%d) than we have (%d)\n",
+          UE_id, nb_rbg, *n_rbg_sched);
+    return false;
+  }
+  // ensure that the number of RBs can be contained by the RBGs (!), i.e.
+  // if we allocate the last RBG this one should have the full RBGsize
+  if ((nb_rb % RBGsize) == 0 && nb_rbg == *n_rbg_sched
+      && rbgalloc_mask[N_RBG - 1] && RBGlastsize != RBGsize) {
+    LOG_D(MAC,
+          "retransmission of UE %d needs %d RBs, but the last RBG %d is too small (%d, normal %d)\n",
+          UE_id, nb_rb, N_RBG - 1, RBGlastsize, RBGsize);
+    return false;
+  }
+  const uint8_t cqi = ue_ctrl->dl_cqi[CC_id];
+  const int idx = CCE_try_allocate_dlsch(Mod_id, CC_id, subframe, UE_id, cqi);
+  if (idx < 0) { // cannot allocate CCE
+    LOG_D(MAC, "cannot allocate UE %d: no CCE can be allocated\n", UE_id);
+    return false;
+  }
+  ue_ctrl->pre_dci_dl_pdu_idx = idx;
+  // retransmissions: directly allocate
+  *n_rbg_sched -= nb_rbg;
+  ue_ctrl->pre_nb_available_rbs[CC_id] += nb_rb;
+  for (; nb_rbg > 0; start_rbg++) {
+    if (!rbgalloc_mask[start_rbg])
+      continue;
+    ue_ctrl->rballoc_sub_UE[CC_id][start_rbg] = 1;
+    rbgalloc_mask[start_rbg] = 0;
+    nb_rbg--;
+  }
+  LOG_D(MAC,
+        "%4d.%d n_rbg_sched %d after retransmission reservation for UE %d "
+        "retx nb_rb %d pre_nb_available_rbs %d\n",
+        frame, subframe, *n_rbg_sched, UE_id,
+        UE_info->UE_template[CC_id][UE_id].nb_rb[harq_pid],
+        ue_ctrl->pre_nb_available_rbs[CC_id]);
+  return true;
+}
+
 void *rr_dl_setup(void) {
   void *data = malloc(sizeof(int));
   *(int *) data = 0;
@@ -115,64 +179,25 @@ int rr_dl_run(module_id_t Mod_id,
     const uint8_t harq_pid = frame_subframe2_dl_harq_pid(cc->tdd_Config, frame, subframe);
     UE_sched_ctrl_t *ue_ctrl = &UE_info->UE_sched_ctrl[UE_id];
     const uint8_t round = ue_ctrl->round[CC_id][harq_pid];
-    if (round != 8) { // retransmission: allocate
-      const int nb_rb = UE_info->UE_template[CC_id][UE_id].nb_rb[harq_pid];
-      if (nb_rb == 0)
-        goto skip_ue;
-      int nb_rbg = (nb_rb + (nb_rb % RBGsize)) / RBGsize;
-      // needs more RBGs than we can allocate
-      if (nb_rbg > n_rbg_sched) {
-        LOG_D(MAC,
-              "retransmission of UE %d needs more RBGs (%d) than we have (%d)\n",
-              UE_id, nb_rbg, n_rbg_sched);
-        goto skip_ue;
-      }
-      // ensure that the number of RBs can be contained by the RBGs (!), i.e.
-      // if we allocate the last RBG this one should have the full RBGsize
-      if ((nb_rb % RBGsize) == 0 && nb_rbg == n_rbg_sched
-          && rbgalloc_mask[N_RBG - 1] && RBGlastsize != RBGsize) {
-        LOG_D(MAC,
-              "retransmission of UE %d needs %d RBs, but the last RBG %d is too small (%d, normal %d)\n",
-              UE_id, nb_rb, N_RBG - 1, RBGlastsize, RBGsize);
-        goto skip_ue;
-      }
-      const uint8_t cqi = ue_ctrl->dl_cqi[CC_id];
-      const int idx = CCE_try_allocate_dlsch(Mod_id, CC_id, subframe, UE_id, cqi);
-      if (idx < 0)
-        goto skip_ue; // cannot allocate CCE
-      ue_ctrl->pre_dci_dl_pdu_idx = idx;
-      // retransmissions: directly allocate
-      n_rbg_sched -= nb_rbg;
-      ue_ctrl->pre_nb_available_rbs[CC_id] += nb_rb;
-      for (; nb_rbg > 0; rbg++) {
-        if (!rbgalloc_mask[rbg])
-          continue;
-        ue_ctrl->rballoc_sub_UE[CC_id][rbg] = 1;
-        rbgalloc_mask[rbg] = 0;
-        nb_rbg--;
+    if (round != 8) {
+      bool r = try_allocate_harq_retransmission(Mod_id, CC_id, frame, subframe,
+                                                UE_id, rbg, &n_rbg_sched,
+                                                rbgalloc_mask);
+      if (r) {
+        /* if there are no more RBG to give, return */
+        if (n_rbg_sched <= 0)
+          return 0;
+        max_num_ue--;
+        if (max_num_ue == 0)
+          return n_rbg_sched;
+        for (; !rbgalloc_mask[rbg]; rbg++) /* fast-forward */ ;
       }
-      LOG_D(MAC,
-            "%4d.%d n_rbg_sched %d after retransmission reservation for UE %d "
-            "round %d retx nb_rb %d pre_nb_available_rbs %d\n",
-            frame, subframe, n_rbg_sched, UE_id, round,
-            UE_info->UE_template[CC_id][UE_id].nb_rb[harq_pid],
-            ue_ctrl->pre_nb_available_rbs[CC_id]);
-      /* if there are no more RBG to give, return */
-      if (n_rbg_sched <= 0)
-        return 0;
-      max_num_ue--;
-      /* if there are no UEs that can be allocated anymore, return */
-      if (max_num_ue == 0)
-        return n_rbg_sched;
-      for (; !rbgalloc_mask[rbg]; rbg++) /* fast-forward */ ;
     } else {
       if (UE_info->UE_template[CC_id][UE_id].dl_buffer_total > 0) {
         *cur_UE = UE_id;
         cur_UE = &UE_sched.next[UE_id];
       }
     }
-
-skip_ue:
     UE_id = next_ue_list_looped(UE_list, UE_id);
   } while (UE_id != *start_ue);
   *cur_UE = -1; // mark end
@@ -187,11 +212,12 @@ skip_ue:
   cur_UE = &UE_sched.head;
   while (*cur_UE >= 0 && max_num_ue > 0) {
     const int UE_id = *cur_UE;
-    cur_UE = &UE_sched.next[UE_id]; // go to next
     const uint8_t cqi = UE_info->UE_sched_ctrl[UE_id].dl_cqi[CC_id];
     const int idx = CCE_try_allocate_dlsch(Mod_id, CC_id, subframe, UE_id, cqi);
     if (idx < 0) {
       LOG_D(MAC, "cannot allocate CCE for UE %d, skipping\n", UE_id);
+      // SKIP this UE in the list by marking the next as the current
+      *cur_UE = UE_sched.next[UE_id];
       continue;
     }
     UE_info->UE_sched_ctrl[UE_id].pre_dci_dl_pdu_idx = idx;
@@ -200,6 +226,7 @@ skip_ue:
     const uint32_t B = UE_info->UE_template[CC_id][UE_id].dl_buffer_total;
     rb_required[UE_id] = find_nb_rb_DL(mcs, B, n_rbg_sched * RBGsize, RBGsize);
     max_num_ue--;
+    cur_UE = &UE_sched.next[UE_id]; // go to next
   }
   *cur_UE = -1; // not all UEs might be allocated, mark end
 
@@ -284,56 +311,19 @@ int pf_wbcqi_dl_run(module_id_t Mod_id,
     const uint8_t harq_pid = frame_subframe2_dl_harq_pid(cc->tdd_Config, frame, subframe);
     UE_sched_ctrl_t *ue_ctrl = &UE_info->UE_sched_ctrl[UE_id];
     const uint8_t round = ue_ctrl->round[CC_id][harq_pid];
-    if (round != 8) { // retransmission: allocate
-      const int nb_rb = UE_info->UE_template[CC_id][UE_id].nb_rb[harq_pid];
-      if (nb_rb == 0)
-        continue;
-      int nb_rbg = (nb_rb + (nb_rb % RBGsize)) / RBGsize;
-      // needs more RBGs than we can allocate
-      if (nb_rbg > n_rbg_sched) {
-        LOG_D(MAC,
-              "retransmission of UE %d needs more RBGs (%d) than we have (%d)\n",
-              UE_id, nb_rbg, n_rbg_sched);
-        continue;
-      }
-      // ensure that the number of RBs can be contained by the RBGs (!), i.e.
-      // if we allocate the last RBG this one should have the full RBGsize
-      if ((nb_rb % RBGsize) == 0 && nb_rbg == n_rbg_sched
-          && rbgalloc_mask[N_RBG - 1] && RBGlastsize != RBGsize) {
-        LOG_D(MAC,
-              "retransmission of UE %d needs %d RBs, but the last RBG %d is too small (%d, normal %d)\n",
-              UE_id, nb_rb, N_RBG - 1, RBGlastsize, RBGsize);
-        continue;
+    if (round != 8) {
+      bool r = try_allocate_harq_retransmission(Mod_id, CC_id, frame, subframe,
+                                                UE_id, rbg, &n_rbg_sched,
+                                                rbgalloc_mask);
+      if (r) {
+        /* if there are no more RBG to give, return */
+        if (n_rbg_sched <= 0)
+          return 0;
+        max_num_ue--;
+        if (max_num_ue == 0)
+          return n_rbg_sched;
+        for (; !rbgalloc_mask[rbg]; rbg++) /* fast-forward */ ;
       }
-      const uint8_t cqi = ue_ctrl->dl_cqi[CC_id];
-      const int idx = CCE_try_allocate_dlsch(Mod_id, CC_id, subframe, UE_id, cqi);
-      if (idx < 0)
-        continue; // cannot allocate CCE
-      ue_ctrl->pre_dci_dl_pdu_idx = idx;
-      // retransmissions: directly allocate
-      n_rbg_sched -= nb_rbg;
-      ue_ctrl->pre_nb_available_rbs[CC_id] += nb_rb;
-      for (; nb_rbg > 0; rbg++) {
-        if (!rbgalloc_mask[rbg])
-          continue;
-        ue_ctrl->rballoc_sub_UE[CC_id][rbg] = 1;
-        rbgalloc_mask[rbg] = 0;
-        nb_rbg--;
-      }
-      LOG_D(MAC,
-            "%4d.%d n_rbg_sched %d after retransmission reservation for UE %d "
-            "round %d retx nb_rb %d pre_nb_available_rbs %d\n",
-            frame, subframe, n_rbg_sched, UE_id, round,
-            UE_info->UE_template[CC_id][UE_id].nb_rb[harq_pid],
-            ue_ctrl->pre_nb_available_rbs[CC_id]);
-      /* if there are no more RBG to give, return */
-      if (n_rbg_sched <= 0)
-        return 0;
-      max_num_ue--;
-      /* if there are no UEs that can be allocated anymore, return */
-      if (max_num_ue == 0)
-        return n_rbg_sched;
-      for (; !rbgalloc_mask[rbg]; rbg++) /* fast-forward */ ;
     } else {
       if (UE_info->UE_template[CC_id][UE_id].dl_buffer_total == 0)
         continue;
@@ -436,56 +426,19 @@ int mt_wbcqi_dl_run(module_id_t Mod_id,
     const uint8_t harq_pid = frame_subframe2_dl_harq_pid(cc->tdd_Config, frame, subframe);
     UE_sched_ctrl_t *ue_ctrl = &UE_info->UE_sched_ctrl[UE_id];
     const uint8_t round = ue_ctrl->round[CC_id][harq_pid];
-    if (round != 8) { // retransmission: allocate
-      const int nb_rb = UE_info->UE_template[CC_id][UE_id].nb_rb[harq_pid];
-      if (nb_rb == 0)
-        continue;
-      int nb_rbg = (nb_rb + (nb_rb % RBGsize)) / RBGsize;
-      // needs more RBGs than we can allocate
-      if (nb_rbg > n_rbg_sched) {
-        LOG_D(MAC,
-              "retransmission of UE %d needs more RBGs (%d) than we have (%d)\n",
-              UE_id, nb_rbg, n_rbg_sched);
-        continue;
-      }
-      // ensure that the number of RBs can be contained by the RBGs (!), i.e.
-      // if we allocate the last RBG this one should have the full RBGsize
-      if ((nb_rb % RBGsize) == 0 && nb_rbg == n_rbg_sched
-          && rbgalloc_mask[N_RBG - 1] && RBGlastsize != RBGsize) {
-        LOG_D(MAC,
-              "retransmission of UE %d needs %d RBs, but the last RBG %d is too small (%d, normal %d)\n",
-              UE_id, nb_rb, N_RBG - 1, RBGlastsize, RBGsize);
-        continue;
+    if (round != 8) {
+      bool r = try_allocate_harq_retransmission(Mod_id, CC_id, frame, subframe,
+                                                UE_id, rbg, &n_rbg_sched,
+                                                rbgalloc_mask);
+      if (r) {
+        /* if there are no more RBG to give, return */
+        if (n_rbg_sched <= 0)
+          return 0;
+        max_num_ue--;
+        if (max_num_ue == 0)
+          return n_rbg_sched;
+        for (; !rbgalloc_mask[rbg]; rbg++) /* fast-forward */ ;
       }
-      const uint8_t cqi = ue_ctrl->dl_cqi[CC_id];
-      const int idx = CCE_try_allocate_dlsch(Mod_id, CC_id, subframe, UE_id, cqi);
-      if (idx < 0)
-        continue; // cannot allocate CCE
-      ue_ctrl->pre_dci_dl_pdu_idx = idx;
-      // retransmissions: directly allocate
-      n_rbg_sched -= nb_rbg;
-      ue_ctrl->pre_nb_available_rbs[CC_id] += nb_rb;
-      for (; nb_rbg > 0; rbg++) {
-        if (!rbgalloc_mask[rbg])
-          continue;
-        ue_ctrl->rballoc_sub_UE[CC_id][rbg] = 1;
-        rbgalloc_mask[rbg] = 0;
-        nb_rbg--;
-      }
-      LOG_D(MAC,
-            "%4d.%d n_rbg_sched %d after retransmission reservation for UE %d "
-            "round %d retx nb_rb %d pre_nb_available_rbs %d\n",
-            frame, subframe, n_rbg_sched, UE_id, round,
-            UE_info->UE_template[CC_id][UE_id].nb_rb[harq_pid],
-            ue_ctrl->pre_nb_available_rbs[CC_id]);
-      /* if there are no more RBG to give, return */
-      if (n_rbg_sched <= 0)
-        return 0;
-      max_num_ue--;
-      /* if there are no UEs that can be allocated anymore, return */
-      if (max_num_ue == 0)
-        return n_rbg_sched;
-      for (; !rbgalloc_mask[rbg]; rbg++) /* fast-forward */ ;
     } else {
       if (UE_info->UE_template[CC_id][UE_id].dl_buffer_total == 0)
         continue;
@@ -942,7 +895,10 @@ int rr_ul_run(module_id_t Mod_id,
         &tx_power);
 
     UE_template->pre_assigned_mcs_ul = mcs;
-    rb_idx_required[UE_id] = rb_table_index;
+    /* rb_idx_given >= 22: apparently the PHY cannot support more than 48
+     * RBs in the uplink. Hence, we limit every UE to 48 RBs, which is at
+     * index 22 */
+    rb_idx_required[UE_id] = min(22, rb_table_index);
     //UE_template->pre_allocated_nb_rb_ul = rb_table[rb_table_index];
     /* only print log when PHR changed */
     static int phr = 0;

openair2/LAYER2/MAC/slicing/slicing.c

@@ -336,6 +336,8 @@ void static_dl(module_id_t mod_id,
       rbgalloc_slice_mask[rbg] = rbgalloc_mask[rbg];
       n_rbg_sched += rbgalloc_mask[rbg];
     }
+    if (n_rbg_sched == 0) /* no free RBGs, e.g., taken by RA */
+      continue;
 
     s->s[i]->dl_algo.run(mod_id,
                          CC_id,
@@ -445,6 +447,8 @@ void static_ul(module_id_t mod_id,
     }
     if (!last_rb_blocked)
       rbs[n_contig - 1].length = p->posHigh - rbs[n_contig - 1].start + 1;
+    if (n_contig == 1 && rbs[0].length == 0) /* no RBs, e.g., taken by RA */
+      continue;
 
     s->s[i]->ul_algo.run(mod_id,
                          CC_id,

openair2/PHY_INTERFACE/IF_Module.h

@@ -203,17 +203,6 @@ typedef struct IF_Module_s{
   pthread_mutex_t if_mutex;
 } IF_Module_t;
 
-// These mutex is used for multiple UEs L2 FAPI simulator.
-// Each UEs set these value in UL and UL_INFO is shared in all UE's thread.
-typedef struct {
-  pthread_mutex_t rx_mutex;
-  pthread_mutex_t crc_mutex;
-  pthread_mutex_t sr_mutex;
-  pthread_mutex_t harq_mutex;
-  pthread_mutex_t cqi_mutex;
-  pthread_mutex_t rach_mutex;
-} FILL_UL_INFO_MUTEX_t;
-
 /*Initial */
 IF_Module_t *IF_Module_init(int Mod_id);
 void IF_Module_kill(int Mod_id);

openair2/PHY_INTERFACE/phy_stub_UE.c

@@ -64,8 +64,6 @@ void fill_rx_indication_UE_MAC(module_id_t Mod_id,
   nfapi_rx_indication_pdu_t *pdu;
   int timing_advance_update;
 
-  pthread_mutex_lock(&fill_ul_mutex.rx_mutex);
-
   UL_INFO->rx_ind.sfn_sf = frame << 4 | subframe;
   UL_INFO->rx_ind.rx_indication_body.tl.tag = NFAPI_RX_INDICATION_BODY_TAG;
   UL_INFO->rx_ind.vendor_extension = ul_config_req->vendor_extension;
@@ -101,7 +99,6 @@ void fill_rx_indication_UE_MAC(module_id_t Mod_id,
 
   UL_INFO->rx_ind.rx_indication_body.number_of_pdus++;
   UL_INFO->rx_ind.sfn_sf = frame << 4 | subframe;
-  pthread_mutex_unlock(&fill_ul_mutex.rx_mutex);
 }
 
 void fill_sr_indication_UE_MAC(int Mod_id,
@@ -109,8 +106,6 @@ void fill_sr_indication_UE_MAC(int Mod_id,
                                int subframe,
                                UL_IND_t *UL_INFO,
                                uint16_t rnti) {
-  pthread_mutex_lock(&fill_ul_mutex.sr_mutex);
-
   nfapi_sr_indication_t *sr_ind = &UL_INFO->sr_ind;
   nfapi_sr_indication_body_t *sr_ind_body = &sr_ind->sr_indication_body;
   nfapi_sr_indication_pdu_t *pdu = &sr_ind_body->sr_pdu_list[sr_ind_body->number_of_srs];
@@ -139,7 +134,6 @@ void fill_sr_indication_UE_MAC(int Mod_id,
 
   // UL_INFO->rx_ind.rx_indication_body.number_of_pdus++;
   sr_ind_body->number_of_srs++;
-  pthread_mutex_unlock(&fill_ul_mutex.sr_mutex);
 }
 
 void fill_crc_indication_UE_MAC(int Mod_id,
@@ -149,8 +143,6 @@ void fill_crc_indication_UE_MAC(int Mod_id,
                                 uint8_t crc_flag,
                                 int index,
                                 uint16_t rnti) {
-  pthread_mutex_lock(&fill_ul_mutex.crc_mutex);
-
   nfapi_crc_indication_pdu_t *pdu =
       &UL_INFO->crc_ind.crc_indication_body
            .crc_pdu_list[UL_INFO->crc_ind.crc_indication_body.number_of_crcs];
@@ -174,8 +166,6 @@ void fill_crc_indication_UE_MAC(int Mod_id,
         __FUNCTION__,
         pdu->rx_ue_information.rnti,
         UL_INFO->crc_ind.crc_indication_body.number_of_crcs);
-
-  pthread_mutex_unlock(&fill_ul_mutex.crc_mutex);
 }
 
 void fill_rach_indication_UE_MAC(int Mod_id,
@@ -184,10 +174,6 @@ void fill_rach_indication_UE_MAC(int Mod_id,
                                  UL_IND_t *UL_INFO,
                                  uint8_t ra_PreambleIndex,
                                  uint16_t ra_RNTI) {
-  LOG_D(MAC, "fill_rach_indication_UE_MAC 1 \n");
-
-  pthread_mutex_lock(&fill_ul_mutex.rach_mutex);
-
   UL_INFO->rach_ind.rach_indication_body.number_of_preambles = 1;
 
   UL_INFO->rach_ind.header.message_id = NFAPI_RACH_INDICATION;
@@ -232,8 +218,6 @@ void fill_rach_indication_UE_MAC(int Mod_id,
   // should call it when we merge with that branch.
   oai_nfapi_rach_ind(&UL_INFO->rach_ind);
   free(UL_INFO->rach_ind.rach_indication_body.preamble_list);
-
-  pthread_mutex_unlock(&fill_ul_mutex.rach_mutex);
 }
 
 void fill_ulsch_cqi_indication_UE_MAC(int Mod_id,
@@ -241,7 +225,6 @@ void fill_ulsch_cqi_indication_UE_MAC(int Mod_id,
                                       uint8_t subframe,
                                       UL_IND_t *UL_INFO,
                                       uint16_t rnti) {
-  pthread_mutex_lock(&fill_ul_mutex.cqi_mutex);
   nfapi_cqi_indication_pdu_t *pdu =
       &UL_INFO->cqi_ind.cqi_indication_body
            .cqi_pdu_list[UL_INFO->cqi_ind.cqi_indication_body.number_of_cqis];
@@ -275,7 +258,6 @@ void fill_ulsch_cqi_indication_UE_MAC(int Mod_id,
   raw_pdu->pdu[0] = cqi << 4;
 
   UL_INFO->cqi_ind.cqi_indication_body.number_of_cqis++;
-  pthread_mutex_unlock(&fill_ul_mutex.cqi_mutex);
 }
 
 void fill_ulsch_harq_indication_UE_MAC(
@@ -285,8 +267,6 @@ void fill_ulsch_harq_indication_UE_MAC(
     UL_IND_t *UL_INFO,
     nfapi_ul_config_ulsch_harq_information *harq_information,
     uint16_t rnti) {
-  pthread_mutex_lock(&fill_ul_mutex.harq_mutex);
-
   nfapi_harq_indication_pdu_t *pdu =
       &UL_INFO->harq_ind.harq_indication_body.harq_pdu_list
            [UL_INFO->harq_ind.harq_indication_body.number_of_harqs];
@@ -318,7 +298,6 @@ void fill_ulsch_harq_indication_UE_MAC(
   }
 
   UL_INFO->harq_ind.harq_indication_body.number_of_harqs++;
-  pthread_mutex_unlock(&fill_ul_mutex.harq_mutex);
 }
 
 void fill_uci_harq_indication_UE_MAC(int Mod_id,
@@ -327,8 +306,6 @@ void fill_uci_harq_indication_UE_MAC(int Mod_id,
 			      UL_IND_t *UL_INFO,
 			      nfapi_ul_config_harq_information *harq_information,
 			      uint16_t rnti) {
-  pthread_mutex_lock(&fill_ul_mutex.harq_mutex);
-
   nfapi_harq_indication_t *ind = &UL_INFO->harq_ind;
   nfapi_harq_indication_body_t *body = &ind->harq_indication_body;
   nfapi_harq_indication_pdu_t *pdu =
@@ -410,7 +387,6 @@ void fill_uci_harq_indication_UE_MAC(int Mod_id,
   LOG_D(PHY,
         "Incremented eNB->UL_INFO.harq_ind.number_of_harqs:%d\n",
         UL_INFO->harq_ind.harq_indication_body.number_of_harqs);
-  pthread_mutex_unlock(&fill_ul_mutex.harq_mutex);
 }
 
 void handle_nfapi_ul_pdu_UE_MAC(module_id_t Mod_id,

openair2/PHY_INTERFACE/phy_stub_UE.h

@@ -17,8 +17,6 @@
 //#include "openair1/PHY/defs.h"
 //#include "openair1/PHY/LTE_TRANSPORT/defs.h"
 
-// this mutex is used to set multiple UE's UL value in L2 FAPI simulator.
-FILL_UL_INFO_MUTEX_t fill_ul_mutex;
 //below 2 difinitions move to phy_stub_UE.c to add initialization when difinition.
 extern UL_IND_t *UL_INFO;
 extern nfapi_tx_request_pdu_t* tx_request_pdu_list;