Fix develop merge conflicts

openair1/PHY/NR_UE_TRANSPORT/dci_nr.c

@@ -917,7 +917,7 @@ uint8_t nr_dci_decoding_procedure(PHY_VARS_NR_UE *ue,
         n_rnti = rel15->rnti;
 
         if (crc == n_rnti) {
-          LOG_D(PHY, "(%i.%i) Received dci indication (rnti %x,dci format %d,n_CCE %d,payloadSize %d,payload %llx)\n",
+          LOG_I(PHY, "(%i.%i) Received dci indication (rnti %x,dci format %d,n_CCE %d,payloadSize %d,payload %llx)\n",
                 proc->frame_rx, proc->nr_slot_rx,n_rnti,rel15->dci_format_options[k],CCEind,dci_length,*(unsigned long long*)dci_estimation);
           dci_ind->SFN = proc->frame_rx;
           dci_ind->slot = proc->nr_slot_rx;

openair1/SCHED_NR_UE/phy_procedures_nr_ue.c

@@ -132,6 +132,7 @@ void nr_fill_rx_indication(fapi_nr_rx_indication_t *rx_ind,
   }
 
   switch (pdu_type){
+    case FAPI_NR_RX_PDU_TYPE_SIB:
     case FAPI_NR_RX_PDU_TYPE_DLSCH:
     case FAPI_NR_RX_PDU_TYPE_RAR:
       harq_pid = dlsch0->current_harq_pid;
@@ -1208,7 +1209,8 @@ void nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue,
             nr_fill_rx_indication(&rx_ind, FAPI_NR_RX_PDU_TYPE_DLSCH, eNB_id, ue, dlsch0, number_pdus);
             break;
           case SI_PDSCH:
-            rx_ind.rx_indication_body[0].pdu_type = FAPI_NR_RX_PDU_TYPE_SIB;
+            nr_fill_dl_indication(&dl_indication, NULL, &rx_ind, proc, ue, eNB_id);
+            nr_fill_rx_indication(&rx_ind, FAPI_NR_RX_PDU_TYPE_SIB, eNB_id, ue, dlsch0, number_pdus);
             break;
           default:
             break;

openair2/LAYER2/NR_MAC_UE/mac_vars.c

@@ -32,7 +32,7 @@
 
 #include <stdint.h>
 
-const char *rnti_types[]={"RNTI_new", "RNTI_C", "RNTI_RA", "NR_RNTI_P", "NR_RNTI_CS", "NR_RNTI_TC"};
+const char *rnti_types[]={"RNTI_new", "RNTI_C", "RNTI_RA", "NR_RNTI_P", "NR_RNTI_CS", "NR_RNTI_TC", "NR_RNTI_SP_CSI", "NR_RNTI_SI"};
 const char *dci_formats[]={"1_0", "1_1", "2_0", "2_1", "2_2", "2_3", "0_0", "0_1"};
 
 // table_7_3_1_1_2_2_3_4_5 contains values for number of layers and precoding information for tables 7.3.1.1.2-2/3/4/5 from TS 38.212 subclause 7.3.1.1.2

openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c

@@ -35,6 +35,7 @@
 
 /* RRC */
 #include "NR_RACH-ConfigCommon.h"
+#include "RRC/NR_UE/rrc_proto.h"
 
 /* PHY */
 #include "PHY/NR_TRANSPORT/nr_transport_common_proto.h"
@@ -514,7 +515,7 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
 
   uint8_t sdu_lcids[NB_RB_MAX] = {0};
   uint16_t sdu_lengths[NB_RB_MAX] = {0};
-  int TBS_bytes = 848, header_length_total=0, num_sdus, offset, mac_ce_len;
+  int num_sdus, offset = 0, preambleTransMax;
 
   // Delay init RA procedure to allow the convergence of the IIR filter on PRACH noise measurements at gNB side
   if (!prach_resources->init_msg1) {
@@ -532,35 +533,20 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
 
       LOG_D(MAC, "RA not active. Checking for data to transmit from upper layers...\n");
 
-      payload = (uint8_t*) &mac->CCCH_pdu.payload;
-      mac_ce_len = 0;
+      uint8_t TBS_max = 8 + sizeof(NR_MAC_SUBHEADER_SHORT) + sizeof(NR_MAC_SUBHEADER_SHORT);
+      payload = (uint8_t*) mac->CCCH_pdu.payload;
+
       num_sdus = 1;
       post_padding = 1;
+      sdu_lcids[0] = lcid;
 
-      if (0){
-        // initialisation by RRC
-        // CCCH PDU
-        // size_sdu = (uint16_t) mac_rrc_data_req_ue(mod_id,
-        //                                           CC_id,
-        //                                           frame,
-        //                                           CCCH,
-        //                                           1,
-        //                                           mac_sdus,
-        //                                           gNB_id,
-        //                                           0);
-        LOG_D(MAC,"[UE %d] Frame %d: Requested RRCConnectionRequest, got %d bytes\n", mod_id, frame, size_sdu);
-      } else {
-        // fill ulsch_buffer with random data
-        for (int i = 0; i < TBS_bytes; i++){
-          mac_sdus[i] = (unsigned char) (lrand48()&0xff);
-        }
-        //Sending SDUs with size 1
-        //Initialize elements of sdu_lcids and sdu_lengths
-        sdu_lcids[0] = lcid;
-        sdu_lengths[0] = TBS_bytes - 3 - post_padding - mac_ce_len;
-        header_length_total += 2 + (sdu_lengths[0] >= 128);
-        size_sdu += sdu_lengths[0];
-      }
+      // initialisation by RRC
+      // CCCH PDU
+      size_sdu = (uint16_t) nr_mac_rrc_data_req_ue(mod_id, CC_id, gNB_id, frame, CCCH, mac_sdus);
+
+      sdu_lengths[0] = size_sdu;
+
+      LOG_D(MAC,"[UE %d] Frame %d: Requested RRCConnectionRequest, got %d bytes\n", mod_id, frame, size_sdu);
 
       if (size_sdu > 0) {
 
@@ -589,12 +575,27 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
                                        post_padding,
                                        0);
 
+        AssertFatal(TBS_max > offset, "Frequency resources are not enough for Msg3!\n");
+
         // Padding: fill remainder with 0
         if (post_padding > 0){
-          for (int j = 0; j < (TBS_bytes - offset); j++)
-            payload[offset + j] = 0; // mac_pdu[offset + j] = 0;
+          for (int j = 0; j < (TBS_max - offset); j++)
+            payload[offset + j] = 0;
         }
-      } 
+      }
+
+      LOG_D(MAC,"size_sdu = %i\n", size_sdu);
+      LOG_D(MAC,"offset = %i\n", offset);
+      for(int k = 0; k < TBS_max; k++) {
+        LOG_D(MAC,"(%i): %i\n", k, prach_resources->Msg3[k]);
+      }
+
+      // Msg3 was initialized with TBS_max bytes because the mac->RA_Msg3_size will only be known after
+      // receiving Msg2 (which contains the Msg3 resource reserve).
+      // Msg3 will be transmitted with mac->RA_Msg3_size bytes, removing unnecessary 0s.
+      mac->ulsch_pdu.Pdu_size = TBS_max;
+      memcpy(mac->ulsch_pdu.payload, prach_resources->Msg3, TBS_max);
+
     } else if (ra->RA_window_cnt != -1) { // RACH is active
 
       LOG_D(MAC, "In %s [%d.%d] RA is active: RA window count %d, RA backoff count %d\n", __FUNCTION__, frame, nr_slot_tx, ra->RA_window_cnt, ra->RA_backoff_cnt);

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c

@@ -584,7 +584,8 @@ void nr_get_Msg3alloc(module_id_t module_id,
                       NR_RA_t *ra) {
 
   // msg3 is schedulend in mixed slot in the following TDD period
-  // for now we consider a TBS of 18 bytes
+
+  uint16_t msg3_nb_rb = 8 + sizeof(NR_MAC_SUBHEADER_SHORT) + sizeof(NR_MAC_SUBHEADER_SHORT); // sdu has 6 or 8 bytes
 
   int mu = ubwp->bwp_Common->genericParameters.subcarrierSpacing;
   int StartSymbolIndex, NrOfSymbols, startSymbolAndLength, temp_slot;
@@ -614,21 +615,22 @@ void nr_get_Msg3alloc(module_id_t module_id,
   uint16_t *vrb_map_UL =
       &RC.nrmac[module_id]->common_channels[CC_id].vrb_map_UL[ra->Msg3_slot * MAX_BWP_SIZE];
   const uint16_t bwpSize = NRRIV2BW(ubwp->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
-  /* search 18 free RBs */
+
+  /* search msg3_nb_rb free RBs */
   int rbSize = 0;
   int rbStart = 0;
-  while (rbSize < 18) {
+  while (rbSize < msg3_nb_rb) {
     rbStart += rbSize; /* last iteration rbSize was not enough, skip it */
     rbSize = 0;
     while (rbStart < bwpSize && vrb_map_UL[rbStart])
       rbStart++;
-    AssertFatal(rbStart < bwpSize - 18, "no space to allocate Msg 3 for RA!\n");
+    AssertFatal(rbStart < bwpSize - msg3_nb_rb, "no space to allocate Msg 3 for RA!\n");
     while (rbStart + rbSize < bwpSize
            && !vrb_map_UL[rbStart + rbSize]
-           && rbSize < 18)
+           && rbSize < msg3_nb_rb)
       rbSize++;
   }
-  ra->msg3_nb_rb = 18;
+  ra->msg3_nb_rb = msg3_nb_rb;
   ra->msg3_first_rb = rbStart;
 }
 

openair2/RRC/NR_UE/rrc_UE.c

@@ -413,6 +413,18 @@ NR_UE_RRC_INST_t* openair_rrc_top_init_ue_nr(char* rrc_config_path){
     for(nr_ue=0;nr_ue<NB_NR_UE_INST;nr_ue++){
       // fill UE-NR-Capability @ UE-CapabilityRAT-Container here.
       NR_UE_rrc_inst[nr_ue].selected_plmn_identity = 1;
+
+      // TODO: Put the appropriate list of SIBs
+      NR_UE_rrc_inst[nr_ue].requested_SI_List.buf = CALLOC(1,4);
+      NR_UE_rrc_inst[nr_ue].requested_SI_List.buf[0] = SIB2 | SIB3 | SIB5;  // SIB2 - SIB9
+      NR_UE_rrc_inst[nr_ue].requested_SI_List.buf[1] = 0;                   // SIB10 - SIB17
+      NR_UE_rrc_inst[nr_ue].requested_SI_List.buf[2] = 0;                   // SIB18 - SIB25
+      NR_UE_rrc_inst[nr_ue].requested_SI_List.buf[3] = 0;                   // SIB26 - SIB32
+      NR_UE_rrc_inst[nr_ue].requested_SI_List.size= 4;
+      NR_UE_rrc_inst[nr_ue].requested_SI_List.bits_unused= 0;
+
+      NR_UE_rrc_inst[nr_ue].ra_trigger = RA_NOT_RUNNING;
+
       //  init RRC lists
       RRC_LIST_INIT(NR_UE_rrc_inst[nr_ue].RLC_Bearer_Config_list, NR_maxLC_ID);
       RRC_LIST_INIT(NR_UE_rrc_inst[nr_ue].SchedulingRequest_list, NR_maxNrofSR_ConfigPerCellGroup);
@@ -834,7 +846,7 @@ int nr_decode_SI( const protocol_ctxt_t *const ctxt_pP, const uint8_t gNB_index
           // After SI is received, prepare RRCConnectionRequest
           if (NR_UE_rrc_inst[ctxt_pP->module_id].MBMS_flag < 3) // see -Q option
             if (AMF_MODE_ENABLED) {
-              rrc_ue_generate_RRCSetupRequest( ctxt_pP, gNB_index );
+              nr_rrc_ue_generate_RRCSetupRequest( ctxt_pP->module_id, gNB_index );
             }
 
           if (NR_UE_rrc_inst[ctxt_pP->module_id].Info[gNB_index].State == NR_RRC_IDLE) {
@@ -1287,7 +1299,7 @@ int nr_decode_BCCH_DLSCH_Message(
 
   if (nr_rrc_get_sub_state(ctxt_pP->module_id) == RRC_SUB_STATE_IDLE_SIB_COMPLETE_NR) {
     //if ( (NR_UE_rrc_inst[ctxt_pP->module_id].initialNasMsg.data != NULL) || (!AMF_MODE_ENABLED)) {
-      rrc_ue_generate_RRCSetupRequest(ctxt_pP, 0);
+      nr_rrc_ue_generate_RRCSetupRequest(ctxt_pP->module_id, 0);
       nr_rrc_set_sub_state( ctxt_pP->module_id, RRC_SUB_STATE_IDLE_CONNECTING );
     //}
   }
@@ -1488,6 +1500,100 @@ int8_t nr_rrc_ue_decode_ccch( const protocol_ctxt_t *const ctxt_pP, const NR_SRB
   return rval;
 }
 
+int8_t check_requested_SI_List(module_id_t module_id, BIT_STRING_t requested_SI_List, NR_SIB1_t sib1) {
+
+  if(sib1.si_SchedulingInfo) {
+
+    bool SIB_to_request[32] = {};
+
+    LOG_D(RRC, "SIBs broadcasting: ");
+    for(int i = 0; i < sib1.si_SchedulingInfo->schedulingInfoList.list.array[0]->sib_MappingInfo.list.count; i++) {
+      printf("SIB%li  ", sib1.si_SchedulingInfo->schedulingInfoList.list.array[0]->sib_MappingInfo.list.array[i]->type + 2);
+    }
+    printf("\n");
+
+    LOG_D(RRC, "SIBs needed by UE: ");
+    for(int j = 0; j < 8*requested_SI_List.size; j++) {
+      if( ((requested_SI_List.buf[j/8]>>(j%8))&1) == 1) {
+
+        printf("SIB%i  ", j + 2);
+
+        SIB_to_request[j] = true;
+        for(int i = 0; i < sib1.si_SchedulingInfo->schedulingInfoList.list.array[0]->sib_MappingInfo.list.count; i++) {
+          if(sib1.si_SchedulingInfo->schedulingInfoList.list.array[0]->sib_MappingInfo.list.array[i]->type == j) {
+            SIB_to_request[j] = false;
+            break;
+          }
+        }
+
+      }
+    }
+    printf("\n");
+
+    LOG_D(RRC, "SIBs to request by UE: ");
+    bool do_ra = false;
+    for(int j = 0; j < 8*requested_SI_List.size; j++) {
+      if(SIB_to_request[j]) {
+        printf("SIB%i  ", j + 2);
+        do_ra = true;
+      }
+    }
+    printf("\n");
+
+    if(do_ra) {
+
+      NR_UE_rrc_inst[module_id].ra_trigger = REQUEST_FOR_OTHER_SI;
+      get_softmodem_params()->do_ra = 1;
+
+      if(sib1.si_SchedulingInfo->si_RequestConfig) {
+        LOG_D(RRC, "Trigger contention-free RA procedure (ra_trigger = %i)\n", NR_UE_rrc_inst[module_id].ra_trigger);
+      } else {
+        LOG_D(RRC, "Trigger contention-based RA procedure (ra_trigger = %i)\n", NR_UE_rrc_inst[module_id].ra_trigger);
+      }
+
+    }
+
+  }
+
+  return 0;
+}
+
+int8_t nr_rrc_ue_generate_ra_msg(module_id_t module_id, uint8_t gNB_index) {
+
+  switch(NR_UE_rrc_inst[module_id].ra_trigger){
+    case INITIAL_ACCESS_FROM_RRC_IDLE:
+      nr_rrc_ue_generate_RRCSetupRequest(module_id,gNB_index);
+      break;
+    case RRC_CONNECTION_REESTABLISHMENT:
+      AssertFatal(1==0, "ra_trigger not implemented yet!\n");
+      break;
+    case DURING_HANDOVER:
+      AssertFatal(1==0, "ra_trigger not implemented yet!\n");
+      break;
+    case NON_SYNCHRONISED:
+      AssertFatal(1==0, "ra_trigger not implemented yet!\n");
+      break;
+    case TRANSITION_FROM_RRC_INACTIVE:
+      AssertFatal(1==0, "ra_trigger not implemented yet!\n");
+      break;
+    case TO_ESTABLISH_TA:
+      AssertFatal(1==0, "ra_trigger not implemented yet!\n");
+      break;
+    case REQUEST_FOR_OTHER_SI:
+      AssertFatal(1==0, "ra_trigger not implemented yet!\n");
+      break;
+    case BEAM_FAILURE_RECOVERY:
+      AssertFatal(1==0, "ra_trigger not implemented yet!\n");
+      break;
+    default:
+      AssertFatal(1==0, "Invalid ra_trigger value!\n");
+      break;
+  }
+
+  return 0;
+}
+
+
 /*brief decode SIB1 message*/
 int8_t nr_rrc_ue_decode_NR_SIB1_Message(module_id_t module_id, uint8_t gNB_index, uint8_t *const bufferP, const uint8_t buffer_len) {
 
@@ -1514,6 +1620,15 @@ int8_t nr_rrc_ue_decode_NR_SIB1_Message(module_id_t module_id, uint8_t gNB_index
       LOG_I(RRC, "SIB1 decoded\n");
       if( g_log->log_component[RRC].level >= OAILOG_DEBUG  )
         xer_fprint(stdout, &asn_DEF_NR_SIB1, (const void*)sib1);
+
+      // FIXME: fix condition for the RA trigger
+      check_requested_SI_List(module_id, NR_UE_rrc_inst[module_id].requested_SI_List, *sib1);
+      if( nr_rrc_get_state(module_id) == RRC_STATE_IDLE_NR ) {
+        NR_UE_rrc_inst[module_id].ra_trigger = INITIAL_ACCESS_FROM_RRC_IDLE;
+        get_softmodem_params()->do_ra = 1;
+      }
+
+      nr_rrc_ue_generate_ra_msg(module_id,gNB_index);
     }
     else
        LOG_E(PHY, "sib1 is starting by 8 times 0\n");
@@ -1783,10 +1898,10 @@ nr_rrc_ue_process_securityModeCommand(
 }
 
 //-----------------------------------------------------------------------------
-void rrc_ue_generate_RRCSetupRequest( const protocol_ctxt_t *const ctxt_pP, const uint8_t gNB_index ) {
+void nr_rrc_ue_generate_RRCSetupRequest(module_id_t module_id, const uint8_t gNB_index ) {
   uint8_t i=0,rv[6];
 
-  if(NR_UE_rrc_inst[ctxt_pP->module_id].Srb0[gNB_index].Tx_buffer.payload_size ==0) {
+  if(NR_UE_rrc_inst[module_id].Srb0[gNB_index].Tx_buffer.payload_size ==0) {
     // Get RRCConnectionRequest, fill random for now
     // Generate random byte stream for contention resolution
     for (i=0; i<6; i++) {
@@ -1800,16 +1915,16 @@ void rrc_ue_generate_RRCSetupRequest( const protocol_ctxt_t *const ctxt_pP, cons
     }
 
     LOG_T(NR_RRC,"\n");
-    NR_UE_rrc_inst[ctxt_pP->module_id].Srb0[gNB_index].Tx_buffer.payload_size =
-      do_RRCSetupRequest(
-        ctxt_pP->module_id,
-        (uint8_t *)NR_UE_rrc_inst[ctxt_pP->module_id].Srb0[gNB_index].Tx_buffer.Payload,
-        rv);
-    LOG_I(NR_RRC,"[UE %d] : Frame %d, Logical Channel UL-CCCH (SRB0), Generating RRCSetupRequest (bytes %d, eNB %d)\n",
-          ctxt_pP->module_id, ctxt_pP->frame, NR_UE_rrc_inst[ctxt_pP->module_id].Srb0[gNB_index].Tx_buffer.payload_size, gNB_index);
-
-    for (i=0; i<NR_UE_rrc_inst[ctxt_pP->module_id].Srb0[gNB_index].Tx_buffer.payload_size; i++) {
-      LOG_T(NR_RRC,"%x.",NR_UE_rrc_inst[ctxt_pP->module_id].Srb0[gNB_index].Tx_buffer.Payload[i]);
+    NR_UE_rrc_inst[module_id].Srb0[gNB_index].Tx_buffer.payload_size =
+       do_RRCSetupRequest(
+         module_id,
+         (uint8_t *)NR_UE_rrc_inst[module_id].Srb0[gNB_index].Tx_buffer.Payload,
+         rv);
+    LOG_I(NR_RRC,"[UE %d] : Logical Channel UL-CCCH (SRB0), Generating RRCSetupRequest (bytes %d, gNB %d)\n",
+          module_id, NR_UE_rrc_inst[module_id].Srb0[gNB_index].Tx_buffer.payload_size, gNB_index);
+
+    for (i=0; i<NR_UE_rrc_inst[module_id].Srb0[gNB_index].Tx_buffer.payload_size; i++) {
+      LOG_T(NR_RRC,"%x.",NR_UE_rrc_inst[module_id].Srb0[gNB_index].Tx_buffer.Payload[i]);
     }
 
     LOG_T(NR_RRC,"\n");