Merge branch 'issue_345_l2_fapi_simulator_new_jan2019' into 'develop'

Issue 345 l2 fapi simulator new

See merge request oai/openairinterface5g!487 and oai/openairinterface5g!432

ci-scripts/Jenkinsfile-gitlab

@@ -166,6 +166,14 @@ pipeline {
             }
         }
 
+        stage ("Start VM -- L2-Sim") {
+            steps {
+                timeout (time: 5, unit: 'MINUTES') {
+                    sh "./ci-scripts/oai-ci-vm-tool build --workspace $WORKSPACE --variant l2-sim --job-name ${JOB_NAME} --build-id ${BUILD_ID} --daemon"
+                }
+            }
+        }
+
         stage ("Start VM -- phy-sim") {
             steps {
                 timeout (time: 5, unit: 'MINUTES') {
@@ -215,7 +223,7 @@ pipeline {
                     steps {
                         gitlabCommitStatus(name: "Build eNb-ethernet") {
                             timeout (time: 20, unit: 'MINUTES') {
-                                sh "./ci-scripts/oai-ci-vm-tool wait --workspace $WORKSPACE --variant enb-ethernet --job-name ${JOB_NAME} --build-id ${BUILD_ID} --keep-vm-alive"
+                                sh "./ci-scripts/oai-ci-vm-tool wait --workspace $WORKSPACE --variant enb-ethernet --job-name ${JOB_NAME} --build-id ${BUILD_ID}"
                             }
                         }
                     }
@@ -224,11 +232,20 @@ pipeline {
                     steps {
                         gitlabCommitStatus(name: "Build UE-ethernet") {
                             timeout (time: 20, unit: 'MINUTES') {
-                                sh "./ci-scripts/oai-ci-vm-tool wait --workspace $WORKSPACE --variant ue-ethernet --job-name ${JOB_NAME} --build-id ${BUILD_ID} --keep-vm-alive"
+                                sh "./ci-scripts/oai-ci-vm-tool wait --workspace $WORKSPACE --variant ue-ethernet --job-name ${JOB_NAME} --build-id ${BUILD_ID}"
                             }
                         }
                     }
                 }
+                stage ("Build L2-Simulator-eNB") {
+                    steps {
+                        //gitlabCommitStatus(name: "Build UE-ethernet") {
+                            timeout (time: 20, unit: 'MINUTES') {
+                                sh "./ci-scripts/oai-ci-vm-tool wait --workspace $WORKSPACE --variant l2-sim --job-name ${JOB_NAME} --build-id ${BUILD_ID} --keep-vm-alive"
+                            }
+                        //}
+                    }
+                }
                 stage ("Build physical simulators") {
                     steps {
                         gitlabCommitStatus(name: "Build phy-sim") {
@@ -313,6 +330,15 @@ pipeline {
                         }
                     }
                 }
+                stage ("Test L2 simulator") {
+                    steps {
+                        //gitlabCommitStatus(name: "Test basic-sim") {
+                            timeout (time: 30, unit: 'MINUTES') {
+                                sh "./ci-scripts/oai-ci-vm-tool test --workspace $WORKSPACE --variant l2-sim --job-name ${JOB_NAME} --build-id ${BUILD_ID}"
+                            }
+                        //}
+                    }
+                }
                 stage ("Build Flexran Controller") {
                     when {
                         expression {doFlexranCtrlTest}

ci-scripts/conf_files/ue.nfapi.conf

+log_config = {
+  global_log_level                      ="info";
+  global_log_verbosity                  ="medium";
+  hw_log_level                          ="info";
+  hw_log_verbosity                      ="medium";
+  phy_log_level                         ="info";
+  phy_log_verbosity                     ="medium";
+  mac_log_level                         ="info";
+  mac_log_verbosity                     ="medium";
+  rlc_log_level                         ="info";
+  rlc_log_verbosity                     ="medium";
+  pdcp_log_level                        ="info";
+  pdcp_log_verbosity                    ="medium";
+  rrc_log_level                         ="info";
+  rrc_log_verbosity                     ="full";
+};
+
+
+L1s = (
+    	{
+	num_cc = 1;
+	tr_n_preference = "nfapi";
+    	local_n_if_name  = "lo";
+      	remote_n_address = "127.0.0.2";
+    	local_n_address  = "127.0.0.1";
+    	local_n_portc    = 50000;
+    	remote_n_portc   = 50001;
+    	local_n_portd    = 50010;
+    	remote_n_portd   = 50011;
+        }  
+);
+
+RUs = (
+    {		  
+       local_rf       = "yes"
+       nb_tx          = 1
+       nb_rx          = 1
+       att_tx         = 90
+       att_rx         = 0;
+       bands          = [7,38,42,43];
+       max_pdschReferenceSignalPower = -27;
+       max_rxgain                    = 125;
+    }		      
+);

ci-scripts/oai-ci-vm-tool

@@ -40,6 +40,7 @@ function variant_usage {
     echo "    --variant cppcheck     OR -v4"
     echo "    --variant enb-ethernet OR -v7"
     echo "    --variant ue-ethernet  OR -v8"
+    echo "    --variant l2-sim       OR -v9"
     echo "    --variant flexran-rtc  OR -v10"
 }
 
@@ -285,6 +286,18 @@ case $key in
     NBARGS=$[$NBARGS+256]
     shift
     ;;
+    -v9)
+    VM_NAME=ci-l2-sim
+    VM_MEMORY=8192
+    VM_CPU=8
+    ARCHIVES_LOC=l2_sim
+    LOG_PATTERN=.Rel14.txt
+    NB_PATTERN_FILES=4
+    BUILD_OPTIONS="--eNB -t ETHERNET"
+    RUN_OPTIONS="complex"
+    NBARGS=$[$NBARGS+256]
+    shift
+    ;;
     -v10)
     VM_NAME=ci-flexran-rtc
     ARCHIVES_LOC=flexran
@@ -350,6 +363,18 @@ case $key in
         BUILD_OPTIONS="--UE -t ETHERNET --noS1"
         NBARGS=$[$NBARGS+256]
         ;;
+        l2-sim)
+        VM_NAME=ci-l2-sim
+        VM_MEMORY=8192
+        VM_CPU=8
+        ARCHIVES_LOC=l2_sim
+        LOG_PATTERN=.Rel14.txt
+        NB_PATTERN_FILES=4
+        BUILD_OPTIONS="--eNB -t ETHERNET"
+        RUN_OPTIONS="complex"
+        NBARGS=$[$NBARGS+256]
+        shift
+        ;;
         flexran-rtc)
         VM_NAME=ci-flexran-rtc
         ARCHIVES_LOC=flexran

cmake_targets/CMakeLists.txt

@@ -615,6 +615,7 @@ add_boolean_option(MESSAGE_CHART_GENERATOR_PHY     False "trace some PHY exchang
 add_boolean_option(UE_EXPANSION             False         "enable UE_EXPANSION with max 256 UE")
 add_boolean_option(PHY_TX_THREAD            False         "enable UE_EXPANSION with max 256 UE")
 add_boolean_option(PRE_SCD_THREAD           False         "enable UE_EXPANSION with max 256 UE")
+add_boolean_option(UESIM_EXPANSION          False         "enable UESIM_EXPANSION with max 256 UE")
 
 ########################
 # Include order

cmake_targets/build_oai

@@ -43,6 +43,7 @@ conf_nvram_path=$OPENAIR_DIR/openair3/NAS/TOOLS/ue_eurecom_test_sfr.conf
 MSC_GEN=0
 XFORMS="True"
 UE_EXPANSION="False"
+UESIM_EXPANSION="False"
 PRINT_STATS="False"
 VCD_TIMING="False"
 DEADLINE_SCHEDULER_FLAG_USER="False"
@@ -218,6 +219,10 @@ function main() {
             UE_EXPANSION="True"
             echo_info "Will compile with UE_EXPANSION"
             shift;;
+       --musim)
+            UESIM_EXPANSION="True"
+            echo_info "Will compile with UESIM_EXPANSION"
+            shift;;
        --UE-conf-nvram)
             conf_nvram_path=$(readlink -f $2)
             shift 2;;
@@ -551,6 +556,7 @@ function main() {
     echo "set ( UE_EXPANSION $UE_EXPANSION )"      >>  $cmake_file
 #    echo "set ( PHY_TX_THREAD $UE_EXPANSION )"     >>  $cmake_file
     echo "set ( PRE_SCD_THREAD $UE_EXPANSION )"    >>  $cmake_file
+    echo "set ( UESIM_EXPANSION $UESIM_EXPANSION )"      >>  $cmake_file
     echo "set ( RRC_ASN1_VERSION \"${REL}\")"      >>  $cmake_file
     echo "set ( ENABLE_VCD_FIFO $VCD_TIMING )"     >>  $cmake_file
     echo "set ( RF_BOARD \"${HW}\")"               >>  $cmake_file

cmake_targets/tools/init_nas_s1

@@ -52,20 +52,20 @@ load_module ../../targets/bin/ue_ip.ko
 
 if [ "$1" = "UE" ]; then
   echo "bring up $LTEIF interface for UE"
-  ifconfig $LTEIF up
+  sudo ifconfig $LTEIF up
 fi
 
-ip route flush cache
+sudo ip route flush cache
 sleep 1
-sysctl -w net.ipv4.conf.all.log_martians=1
+sudo sysctl -w net.ipv4.conf.all.log_martians=1
 echo "Disabling reverse path filtering"
-sysctl -w net.ipv4.conf.all.rp_filter=0
-ip route flush cache
+sudo sysctl -w net.ipv4.conf.all.rp_filter=0
+sudo ip route flush cache
 
 # Check table 200 lte in /etc/iproute2/rt_tables
 fgrep lte /etc/iproute2/rt_tables  > /dev/null 
 if [ $? -ne 0 ]; then
     echo "200 lte " >> /etc/iproute2/rt_tables
 fi
-ip rule add fwmark 1 table lte
-ip route add default dev $LTEIF table lte
+sudo ip rule add fwmark 1 table lte
+sudo ip route add default dev $LTEIF table lte

nfapi/oai_integration/nfapi_vnf.c

@@ -1110,7 +1110,7 @@ int oai_nfapi_dl_config_req(nfapi_dl_config_request_t *dl_config_req)
   nfapi_vnf_p7_config_t *p7_config = vnf.p7_vnfs[0].config;
 
   dl_config_req->header.phy_id = 1; // DJP HACK TODO FIXME - need to pass this around!!!!
-
+  dl_config_req->header.message_id = NFAPI_DL_CONFIG_REQUEST;
   int retval = nfapi_vnf_p7_dl_config_req(p7_config, dl_config_req);
 
   dl_config_req->dl_config_request_body.number_pdcch_ofdm_symbols           = 1;
@@ -1129,7 +1129,7 @@ int oai_nfapi_tx_req(nfapi_tx_request_t *tx_req)
   nfapi_vnf_p7_config_t *p7_config = vnf.p7_vnfs[0].config;
 
   tx_req->header.phy_id = 1; // DJP HACK TODO FIXME - need to pass this around!!!!
-
+  tx_req->header.message_id = NFAPI_TX_REQUEST;
   //LOG_D(PHY, "[VNF] %s() TX_REQ sfn_sf:%d number_of_pdus:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(tx_req->sfn_sf), tx_req->tx_request_body.number_of_pdus);
 
   int retval = nfapi_vnf_p7_tx_req(p7_config, tx_req);
@@ -1147,7 +1147,7 @@ int oai_nfapi_hi_dci0_req(nfapi_hi_dci0_request_t *hi_dci0_req) {
   nfapi_vnf_p7_config_t *p7_config = vnf.p7_vnfs[0].config;
 
   hi_dci0_req->header.phy_id = 1; // DJP HACK TODO FIXME - need to pass this around!!!!
-
+  hi_dci0_req->header.message_id = NFAPI_HI_DCI0_REQUEST;
   //LOG_D(PHY, "[VNF] %s() HI_DCI0_REQ sfn_sf:%d dci:%d hi:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(hi_dci0_req->sfn_sf), hi_dci0_req->hi_dci0_request_body.number_of_dci, hi_dci0_req->hi_dci0_request_body.number_of_hi);
 
   int retval = nfapi_vnf_p7_hi_dci0_req(p7_config, hi_dci0_req);
@@ -1166,7 +1166,7 @@ int oai_nfapi_ul_config_req(nfapi_ul_config_request_t *ul_config_req) {
   nfapi_vnf_p7_config_t *p7_config = vnf.p7_vnfs[0].config;
 
   ul_config_req->header.phy_id = 1; // DJP HACK TODO FIXME - need to pass this around!!!!
-
+  ul_config_req->header.message_id = NFAPI_UL_CONFIG_REQUEST;
   //LOG_D(PHY, "[VNF] %s() header message_id:%02x\n", __FUNCTION__, ul_config_req->header.message_id);
 
   //LOG_D(PHY, "[VNF] %s() UL_CONFIG sfn_sf:%d PDUs:%d rach_prach_frequency_resources:%d srs_present:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(ul_config_req->sfn_sf), ul_config_req->ul_config_request_body.number_of_pdus, ul_config_req->ul_config_request_body.rach_prach_frequency_resources, ul_config_req->ul_config_request_body.srs_present);

nfapi/open-nFAPI/pnf/src/pnf.c

@@ -1260,7 +1260,7 @@ int pnf_connect(pnf_t* pnf)
 			address = inet_ntoa(addr->sin_addr);
 		}
 
-		NFAPI_TRACE(NFAPI_TRACE_NOTE, "Host address info  %d Family:%s Address:%s\n", i++, family, address);
+		//NFAPI_TRACE(NFAPI_TRACE_NOTE, "Host address info  %d Family:%s Address:%s\n", i++, family, address);
 
 		if (pnf->sctp)
 		{

nfapi/open-nFAPI/pnf/src/pnf_p7.c

@@ -379,7 +379,7 @@ static uint32_t get_sf_time(uint32_t now_hr, uint32_t sf_start_hr)
 {
 	if(now_hr < sf_start_hr)
 	{
-		NFAPI_TRACE(NFAPI_TRACE_INFO, "now is earlier than start of subframe now_hr:%u sf_start_hr:%u\n", now_hr, sf_start_hr);
+		//NFAPI_TRACE(NFAPI_TRACE_INFO, "now is earlier than start of subframe now_hr:%u sf_start_hr:%u\n", now_hr, sf_start_hr);
 		return 0;
 	}
 	else

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

@@ -1203,12 +1203,12 @@ void vnf_handle_ul_node_sync(void *pRecvMsg, int recvMsgLen, vnf_p7_t* vnf_p7)
 
 			if(phy->in_sync == 0)
 			{
-				NFAPI_TRACE(NFAPI_TRACE_NOTE, "***** Adjusting VNF phy_id:%d SFN/SF (%s) from %d to %d (%d) mode:%s zeroCount:%u sync:%s\n", 
+				/*NFAPI_TRACE(NFAPI_TRACE_NOTE, "***** Adjusting VNF phy_id:%d SFN/SF (%s) from %d to %d (%d) mode:%s zeroCount:%u sync:%s\n",
 					ind.header.phy_id, (phy->in_sync ? "via sfn" : "now"),
 					NFAPI_SFNSF2DEC(curr_sfn_sf), NFAPI_SFNSF2DEC(new_sfn_sf), phy->adjustment, 
 					phy->filtered_adjust ? "FILTERED" : "ABSOLUTE",
 					phy->zero_count,
-					phy->in_sync ? "IN_SYNC" : "OUT_OF_SYNC");
+					phy->in_sync ? "IN_SYNC" : "OUT_OF_SYNC");*/
 
 				phy->sfn_sf = new_sfn_sf;
 			}

openair1/PHY/defs_UE.h

@@ -204,6 +204,12 @@ typedef struct {
 	/// condition variable for timer_thread;
 	pthread_cond_t cond_ticking;
 	//time_stats_t timer_stats;
+
+	// below 3 members is used for waiting each UE threads(multiple UEs test) in L2 FAPI simulator.
+	// This used in UE_phy_stub_single_thread_rxn_txnp4
+	pthread_mutex_t mutex_single_thread;
+	pthread_cond_t  cond_single_thread;
+	int             num_single_thread[NUMBER_OF_UE_MAX];
 } SF_ticking;
 
 typedef struct {
@@ -890,6 +896,7 @@ typedef struct {
 struct rx_tx_thread_data {
   PHY_VARS_UE    *UE;
   UE_rxtx_proc_t *proc;
+  uint16_t       ue_thread_id;
 };
 
 

openair2/COMMON/platform_constants.h

@@ -64,6 +64,16 @@
 #    define MAX_MODULES                NB_MODULES_MAX
 
 #ifndef UE_EXPANSION
+// TODO:L2 FAPI simulator.
+// UESIM_EXPANSION is used to be same value of MAX_MOBILES_PER_ENB
+// in eNB and UE.
+// now , if we use --mu option in UE, compiling error will occur.
+// This problem will be fixed in the future.
+# ifdef UESIM_EXPANSION
+#    define MAX_MOBILES_PER_ENB         256
+#    define MAX_MOBILES_PER_ENB_NB_IoT  256
+#    define MAX_eNB                      2
+# else
 # ifdef LARGE_SCALE
 #    define MAX_MOBILES_PER_ENB         128
 #    define MAX_MOBILES_PER_ENB_NB_IoT  128
@@ -73,6 +83,7 @@
 #    define MAX_MOBILES_PER_ENB_NB_IoT  16
 #    define MAX_eNB                      2
 # endif
+#endif
 #else
 #    define MAX_MOBILES_PER_ENB 256
 #    define MAX_MOBILES_PER_ENB_NB_IoT 256

openair2/LAYER2/MAC/eNB_scheduler_RA.c

@@ -1426,7 +1426,7 @@ schedule_RA(module_id_t module_idP, frame_t frameP, sub_frame_t subframeP)
 
 	    if (ra->state == MSG2)
 		generate_Msg2(module_idP, CC_id, frameP, subframeP, ra);
-	    else if (ra->state == MSG4 && ra->Msg4_frame == frameP && ra->Msg4_subframe == subframeP )
+		else if (ra->state == MSG4 && ra->Msg4_frame == frameP && ra->Msg4_subframe == subframeP )
 		generate_Msg4(module_idP, CC_id, frameP, subframeP, ra);
 	    else if (ra->state == WAITMSG4ACK)
 		check_Msg4_retransmission(module_idP, CC_id, frameP,

openair2/LAYER2/MAC/eNB_scheduler_fairRR.c

@@ -594,6 +594,7 @@ void dlsch_scheduler_pre_processor_fairRR (module_id_t   Mod_id,
   LTE_eNB_UE_stats *eNB_UE_stats2 = NULL;
   UE_sched_ctrl *ue_sched_ctl1, *ue_sched_ctl2;
 #endif
+  memset(rballoc_sub[0],0,(MAX_NUM_CCs)*(N_RBG_MAX)*sizeof(unsigned char));
   memset(min_rb_unit,0,sizeof(min_rb_unit));
 
   for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {

openair2/LAYER2/MAC/eNB_scheduler_primitives.c

@@ -61,6 +61,7 @@ extern uint16_t frame_cnt;
 #include "SCHED/sched_common.h"
 
 extern RAN_CONTEXT_t RC;
+extern uint8_t nfapi_mode;
 
 int choose(int n, int k)
 {
@@ -1286,6 +1287,7 @@ fill_nfapi_ulsch_harq_information(module_id_t                            module_
   */
 #endif
   harq_information->harq_information_rel10.delta_offset_harq = puschConfigDedicated->betaOffset_ACK_Index;
+  harq_information->harq_information_rel10.tl.tag = NFAPI_UL_CONFIG_REQUEST_ULSCH_HARQ_INFORMATION_REL10_TAG;
   AssertFatal(UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->pucch_ConfigDedicated != NULL,
 	      "pucch_ConfigDedicated is null!\n");
   if ((UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->pucch_ConfigDedicated->tdd_AckNackFeedbackMode != NULL)
@@ -3629,9 +3631,19 @@ extract_harq(module_id_t mod_idP, int CC_idP, int UE_id,
 	AssertFatal(num_ack_nak == 1,
 		    "num_ack_nak %d > 1 for 1 CC and single-layer transmission frame:%d subframe:%d\n",
 		    num_ack_nak,frameP,subframeP);
-	AssertFatal(sched_ctl->round[CC_idP][harq_pid] < 8,
-		    "Got ACK/NAK for inactive harq_pid %d for UE %d/%x\n",
-		    harq_pid, UE_id, rnti);
+
+	// In case of nFAPI, sometimes timing of eNB and UE become different.
+	// So if nfapi_mode == 2(VNF) , this function don't check assertion to avoid process exit.
+	if (nfapi_mode != 2){
+		AssertFatal(sched_ctl->round[CC_idP][harq_pid] < 8,
+			    "Got ACK/NAK for inactive harq_pid %d for UE %d/%x\n",
+			    harq_pid, UE_id, rnti);
+	} else {
+		if(sched_ctl->round[CC_idP][harq_pid] == 8){
+			LOG_E(MAC,"Got ACK/NAK for inactive harq_pid %d for UE %d/%x\n",harq_pid, UE_id, rnti);
+			return;
+		}
+	 }		
 	AssertFatal(pdu[0] == 1 || pdu[0] == 2
 		    || pdu[0] == 4,
 		    "Received ACK/NAK %d which is not 1 or 2 for harq_pid %d from UE %d/%x\n",

openair2/LAYER2/MAC/mac_extern.h

@@ -64,7 +64,8 @@ extern eNB_DLSCH_INFO eNB_dlsch_info[NUMBER_OF_eNB_MAX][MAX_NUM_CCs][MAX_MOBILES
 extern unsigned char NB_INST;
 #endif
 extern unsigned char NB_eNB_INST;
-extern unsigned char NB_UE_INST;
+extern uint16_t NB_UE_INST;
+extern uint16_t NB_THREAD_INST;
 extern unsigned char NB_RN_INST;
 extern unsigned short NODE_ID[1];
 

openair2/LAYER2/MAC/mac_vars.h

@@ -95,7 +95,7 @@ const uint8_t cqi2fmt2x_agg[MAX_SUPPORTED_BW][CQI_VALUE_RANGE] = {
 
 uint32_t RRC_CONNECTION_FLAG;
 
-UE_MAC_INST *UE_mac_inst;	//[NB_MODULE_MAX];
+UE_MAC_INST *UE_mac_inst = NULL;	//[NB_MODULE_MAX];
 MAC_RLC_XFACE *Mac_rlc_xface;
 
 /// Primary component carrier index of eNB
@@ -109,7 +109,8 @@ eNB_DLSCH_INFO eNB_dlsch_info[NUMBER_OF_eNB_MAX][MAX_NUM_CCs][MAX_MOBILES_PER_EN
 
 #ifdef OPENAIR2
 unsigned char NB_eNB_INST = 0;
-unsigned char NB_UE_INST = 0;
+uint16_t NB_UE_INST = 0;
+uint16_t NB_THREAD_INST = 0;
 unsigned char NB_RN_INST = 0;
 unsigned char NB_INST = 0;
 #endif

openair2/LAYER2/MAC/main_ue.c

@@ -43,7 +43,8 @@
 
 
 #include "common/ran_context.h"
-
+extern FILL_UL_INFO_MUTEX_t fill_ul_mutex;
+extern uint8_t nfapi_mode;
 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
@@ -103,6 +104,15 @@ 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 == 3){
+      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,

openair2/LAYER2/MAC/ue_procedures.c

@@ -69,6 +69,8 @@
 extern UL_IND_t *UL_INFO;
 
 extern uint8_t  nfapi_mode;
+extern int next_ra_frame;
+extern module_id_t next_Mod_id;
 
 /*
  *
@@ -2523,44 +2525,50 @@ ue_scheduler(const module_id_t module_idP,
 				   UE_mac_inst[module_idP].crnti, txFrameP,
 				   txSubframeP, eNB_indexP);
 #if defined(ENABLE_ITTI)
+    if(module_idP == 0){
+      do {
+	  // Checks if a message has been sent to MAC sub-task
+	  itti_poll_msg(TASK_MAC_UE, &msg_p);
 
-    do {
-	// Checks if a message has been sent to MAC sub-task
-	itti_poll_msg(TASK_MAC_UE, &msg_p);
+	    if (msg_p != NULL) {
 
-	if (msg_p != NULL) {
+	      switch (ITTI_MSG_ID(msg_p)) {
+	      case RRC_MAC_CCCH_DATA_REQ:
+		  LOG_I(MAC,
+		        "Received %s from %s: instance %d, frameP %d, eNB_index %d\n",
+		        ITTI_MSG_NAME(msg_p), ITTI_MSG_ORIGIN_NAME(msg_p), ITTI_MSG_INSTANCE(msg_p),
+		        RRC_MAC_CCCH_DATA_REQ(msg_p).frame,
+		        RRC_MAC_CCCH_DATA_REQ(msg_p).enb_index);
 
-	    switch (ITTI_MSG_ID(msg_p)) {
-	    case RRC_MAC_CCCH_DATA_REQ:
-		LOG_I(MAC,
-		      "Received %s from %s: instance %d, frameP %d, eNB_index %d\n",
-		      ITTI_MSG_NAME(msg_p), ITTI_MSG_ORIGIN_NAME(msg_p), ITTI_MSG_INSTANCE(msg_p),
-		      RRC_MAC_CCCH_DATA_REQ(msg_p).frame,
-		      RRC_MAC_CCCH_DATA_REQ(msg_p).enb_index);
+		  // TODO process CCCH data req.
+		  break;
 
-		// TODO process CCCH data req.
-		break;
 
+	      default:
+		  LOG_E(MAC, "Received unexpected message %s\n", ITTI_MSG_NAME(msg_p));
+		  break;
+	      }
 
-	    default:
-		LOG_E(MAC, "Received unexpected message %s\n", ITTI_MSG_NAME(msg_p));
-		break;
+	      result = itti_free(ITTI_MSG_ORIGIN_ID(msg_p), msg_p);
+	      AssertFatal(result == EXIT_SUCCESS,
+			  "Failed to free memory (%d)!\n", result);
 	    }
-
-	    result = itti_free(ITTI_MSG_ORIGIN_ID(msg_p), msg_p);
-	    AssertFatal(result == EXIT_SUCCESS,
-			"Failed to free memory (%d)!\n", result);
-	}
-    }
+      }
     while (msg_p != NULL);
-
+    }
 #endif
 
     //Mac_rlc_xface->frameP=frameP;
     //Rrc_xface->Frame_index=Mac_rlc_xface->frameP;
     //if (subframe%5 == 0)
     //LG#ifdef EXMIMO
-    pdcp_run(&ctxt);
+
+    // data to/from NETLINK is treated in pdcp_run.
+    // one socket is used in multiple UE's L2 FAPI simulator and
+    // only first UE need to do this.
+    if(module_idP == 0){
+      pdcp_run(&ctxt);
+    }
     //#endif
     UE_mac_inst[module_idP].txFrame = txFrameP;
     UE_mac_inst[module_idP].txSubframe = txSubframeP;

openair2/LAYER2/PDCP_v10.1.0/pdcp.c

@@ -49,7 +49,7 @@
 #include "platform_constants.h"
 #include "common/utils/LOG/vcd_signal_dumper.h"
 #include "msc.h"
-
+#include "targets/COMMON/openairinterface5g_limits.h"
 #if defined(ENABLE_SECURITY)
 # include "UTIL/OSA/osa_defs.h"
 #endif
@@ -64,9 +64,12 @@
 #endif
 
 extern int otg_enabled;
-
+#if defined(ENABLE_USE_MME)
+extern uint8_t nfapi_mode;
+#endif
 #include "common/ran_context.h"
 extern RAN_CONTEXT_t RC;
+hash_table_t  *pdcp_coll_p = NULL;
 
 #ifdef MBMS_MULTICAST_OUT
 # include <sys/types.h>
@@ -798,12 +801,21 @@ pdcp_data_ind(
          * for the UE compiled in noS1 mode, we need 0
          * TODO: be sure of this
          */
-        ((pdcp_data_ind_header_t*) new_sdu_p->data)->inst  = 1;
+        if (nfapi_mode == 3) {
+#ifdef UESIM_EXPANSION
+          ((pdcp_data_ind_header_t*) new_sdu_p->data)->inst  = 0;
+#else
+          ((pdcp_data_ind_header_t*) new_sdu_p->data)->inst  = ctxt_pP->module_id;
+#endif
+        } else {
+          ((pdcp_data_ind_header_t*) new_sdu_p->data)->inst  = 1;
+        }
 #endif
       } else {
         ((pdcp_data_ind_header_t*) new_sdu_p->data)->rb_id = rb_id + (ctxt_pP->module_id * LTE_maxDRB);
+        ((pdcp_data_ind_header_t*) new_sdu_p->data)->inst  = ctxt_pP->module_id;
       }
-
+      // new_sdu_p->data->inst is set again in UE case so move to above.
       //Panos: Commented this out because it cancels the assignment in #if defined(ENABLE_USE_MME) case
       //((pdcp_data_ind_header_t*) new_sdu_p->data)->inst  = ctxt_pP->module_id;
 
@@ -2021,7 +2033,7 @@ void pdcp_layer_init(void)
    * Initialize SDU list
    */
   list_init(&pdcp_sdu_list, NULL);
-  pdcp_coll_p = hashtable_create ((LTE_maxDRB + 2) * 16, NULL, pdcp_free);
+  pdcp_coll_p = hashtable_create ((LTE_maxDRB + 2) * NUMBER_OF_UE_MAX, NULL, pdcp_free);
   AssertFatal(pdcp_coll_p != NULL, "UNRECOVERABLE error, PDCP hashtable_create failed");
 
   for (instance = 0; instance < MAX_MOBILES_PER_ENB; instance++) {

openair2/LAYER2/PDCP_v10.1.0/pdcp.h

@@ -542,7 +542,7 @@ sdu_size_t             pdcp_input_sdu_remaining_size_to_read;
     (((hash_key_t)(sESSION_ID)) << 37) | \
     (((hash_key_t)(0x0000000000000001))  << 63))
 
-hash_table_t  *pdcp_coll_p;
+extern hash_table_t  *pdcp_coll_p;
 
 #endif
 /*@}*/

openair2/LAYER2/PDCP_v10.1.0/pdcp_fifo.c

@@ -82,10 +82,13 @@ extern struct msghdr nas_msg_tx;
 extern struct msghdr nas_msg_rx;
 
 unsigned char pdcp_read_state_g = 0;
+extern uint8_t nfapi_mode;
+#ifdef UESIM_EXPANSION
+extern uint16_t inst_pdcp_list[NUMBER_OF_UE_MAX];
+#endif
 #endif
 
 extern Packet_OTG_List_t *otg_pdcp_buffer;
-
 #if defined(LINK_ENB_PDCP_TO_GTPV1U)
 #  include "gtpv1u_eNB_task.h"
 #  include "gtpv1u_eNB_defs.h"
@@ -168,7 +171,12 @@ int pdcp_fifo_flush_sdus(const protocol_ctxt_t* const  ctxt_pP)
             ((pdcp_data_ind_header_t*) sdu_p->data)->inst,
             ((pdcp_data_ind_header_t *) sdu_p->data)->data_size);
 #else
-      //((pdcp_data_ind_header_t *)(sdu_p->data))->inst = 0;
+      // Raphael: was suppressed by Raymond --> should be suppressed?
+      // value of sdu_p->data->inst is set in pdcp_data_ind
+      // it's necessary to set 1 in case of UE with S1.
+      //if (ctxt_pP->enb_flag){
+      //  ((pdcp_data_ind_header_t *)(sdu_p->data))->inst = 0;
+      //}
 #endif
 
 #if defined(LINK_ENB_PDCP_TO_GTPV1U)
@@ -927,7 +935,15 @@ int pdcp_fifo_read_input_sdus (const protocol_ctxt_t* const  ctxt_pP)
             rab_id      = pdcp_read_header_g.rb_id % LTE_maxDRB;
             ctxt.rnti          = pdcp_eNB_UE_instance_to_rnti[pdcp_read_header_g.rb_id / LTE_maxDRB];
           } else {
-            ctxt.module_id = 0;
+            if (nfapi_mode == 3) {
+#ifdef UESIM_EXPANSION
+              ctxt.module_id = inst_pdcp_list[pdcp_read_header_g.inst];
+#else
+              ctxt.module_id = pdcp_read_header_g.inst;
+#endif
+            } else {
+              ctxt.module_id = 0;
+            }
             rab_id      = pdcp_read_header_g.rb_id % LTE_maxDRB;
             ctxt.rnti          = pdcp_UE_UE_module_id_to_rnti[ctxt.module_id];
           }
@@ -1072,7 +1088,22 @@ int pdcp_fifo_read_input_sdus (const protocol_ctxt_t* const  ctxt_pP)
                                           pdcp_read_header_g.rb_id,
                                           rab_id,
                                           pdcp_read_header_g.data_size);
-
+                        if(nfapi_mode == 3){
+                        pdcp_data_req(
+                              &ctxt,
+                              SRB_FLAG_NO,
+                              rab_id,
+                              RLC_MUI_UNDEFINED,
+                              RLC_SDU_CONFIRM_NO,
+                              pdcp_read_header_g.data_size,
+                              (unsigned char *)NLMSG_DATA(nas_nlh_rx),
+                              PDCP_TRANSMISSION_MODE_DATA
+#if (LTE_RRC_VERSION >= MAKE_VERSION(14, 0, 0))
+                              ,NULL
+                              ,NULL
+#endif
+                              );
+                        }else{
                         pdcp_data_req(
                               &ctxt,
                               SRB_FLAG_NO,
@@ -1087,6 +1118,7 @@ int pdcp_fifo_read_input_sdus (const protocol_ctxt_t* const  ctxt_pP)
                               ,&pdcp_read_header_g.destinationL2Id
 #endif
                               );
+                        }
                      } else {
                         MSC_LOG_RX_DISCARDED_MESSAGE(
                               (ctxt_pP->enb_flag == ENB_FLAG_YES) ? MSC_PDCP_ENB:MSC_PDCP_UE,
@@ -1130,7 +1162,22 @@ int pdcp_fifo_read_input_sdus (const protocol_ctxt_t* const  ctxt_pP)
                                        pdcp_read_header_g.rb_id,
                                        DEFAULT_RAB_ID,
                                        pdcp_read_header_g.data_size);
-
+                     if(nfapi_mode == 3){
+                     pdcp_data_req (
+                           &ctxt,
+                           SRB_FLAG_NO,
+                           DEFAULT_RAB_ID,
+                           RLC_MUI_UNDEFINED,
+                           RLC_SDU_CONFIRM_NO,
+                           pdcp_read_header_g.data_size,
+                           (unsigned char *)NLMSG_DATA(nas_nlh_rx),
+                           PDCP_TRANSMISSION_MODE_DATA
+#if (LTE_RRC_VERSION >= MAKE_VERSION(14, 0, 0))
+                           ,NULL
+                           ,NULL
+#endif
+                               );
+                     }else{
                      pdcp_data_req (
                            &ctxt,
                            SRB_FLAG_NO,
@@ -1145,6 +1192,7 @@ int pdcp_fifo_read_input_sdus (const protocol_ctxt_t* const  ctxt_pP)
                            ,&pdcp_read_header_g.destinationL2Id
 #endif
                            );
+                     }
                   }
                }
 

openair2/LAYER2/RLC/rlc.c

@@ -34,7 +34,7 @@