Preconfigured Discovery pool configuration to L1/L2wq

openair1/PHY/LTE_TRANSPORT/sldch.c

@@ -604,6 +604,8 @@ void check_and_generate_psdch(PHY_VARS_UE *ue,int frame_tx,int subframe_tx) {
   uint32_t absSF = (frame_tx*10)+subframe_tx;
   uint32_t absSF_offset,absSF_modP;
 
+  LOG_I(PHY,"Checking SLDCH (O %d, P %d, abssF %d\n",O,P,absSF);
+
   absSF_offset = absSF-O;
 
   if (absSF_offset < O) return;

openair1/PHY/LTE_TRANSPORT/slss.c

@@ -48,6 +48,8 @@ void check_and_generate_slss(PHY_VARS_UE *ue,int frame_tx,int subframe_tx) {
   LOG_D(PHY,"check_and_generate_slss: frame_tx %d, subframe_tx %d : slss->SL_offsetIndicator %d, slss->slmib_length %d\n",
 	frame_tx,subframe_tx,slss->SL_OffsetIndicator, slss->slmib_length);
  
+  if (ue->is_SynchRef == 0) return;
+ 
   if ((((10*frame_tx) + subframe_tx)%40) != slss->SL_OffsetIndicator) return; 
 
   if (slss->slmib_length == 0) return;

openair1/PHY/defs.h

@@ -1412,6 +1412,7 @@ typedef struct {
   unsigned char first_run_timing_advance[NUMBER_OF_CONNECTED_eNB_MAX];
   uint8_t               sidelink_active;
   uint8_t               SLonly;
+  uint8_t               SLsynconly;
   uint8_t               destination_id;
   // DMRS group-hopping sequences for PSBCH (index 0) and 256 possible PSSCH (indices 1...256)
   uint32_t              gh[257][20];

openair1/SCHED/phy_procedures_lte_ue.c

@@ -2356,7 +2356,7 @@ void phy_procedures_UE_SL_TX(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc) {
   AssertFatal(frame_tx>=0 && frame_tx < 1024, "frame_tx %d is not in 0...1023\n",frame_tx);
   AssertFatal(subframe_tx>=0 && subframe_tx < 10, "frame_tx %d is not in 0...9\n",subframe_tx);
   
-  LOG_D(PHY,"****** start Sidelink TX-Chain for AbsSubframe %d.%d ******\n", frame_tx, subframe_tx);
+  LOG_I(PHY,"****** start Sidelink TX-Chain for AbsSubframe %d.%d ******\n", frame_tx, subframe_tx);
 
   if (ue->SLonly == 1) {
     
@@ -2379,17 +2379,17 @@ void phy_procedures_UE_SL_TX(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc) {
 
   // check for SLDCH
   AssertFatal(0==pthread_mutex_lock(&ue->sldch_mutex),"");
-  if ((ue->sldch = ue_get_sldch(ue->Mod_id,ue->CC_id,frame_tx,subframe_tx)) != NULL) generate_sldch(ue,ue->sldch,frame_tx,subframe_tx);
+  if ((ue->sldch = ue_get_sldch(ue->Mod_id,ue->CC_id,frame_tx,subframe_tx)) != NULL) check_and_generate_psdch(ue,frame_tx,subframe_tx);
   AssertFatal(0==pthread_mutex_unlock(&ue->sldch_mutex),"");
 
-  LOG_D(PHY,"ULSCH (after sldch) : signal F energy %d dB (txdataF %p)\n",dB_fixed(signal_energy(&ue->common_vars.txdataF[0][subframe_tx*14*ue->frame_parms.ofdm_symbol_size],14*ue->frame_parms.ofdm_symbol_size)),&ue->common_vars.txdataF[0][subframe_tx*14*ue->frame_parms.ofdm_symbol_size]);
+  LOG_I(PHY,"ULSCH (after sldch) : signal F energy %d dB (txdataF %p)\n",dB_fixed(signal_energy(&ue->common_vars.txdataF[0][subframe_tx*14*ue->frame_parms.ofdm_symbol_size],14*ue->frame_parms.ofdm_symbol_size)),&ue->common_vars.txdataF[0][subframe_tx*14*ue->frame_parms.ofdm_symbol_size]);
     
   // check for SLSCH
   AssertFatal(0==pthread_mutex_lock(&ue->slsch_mutex),"");
   if ((ue->slsch = ue_get_slsch(ue->Mod_id,ue->CC_id,frame_tx,subframe_tx)) != NULL) generate_slsch(ue,proc,ue->slsch,frame_tx,subframe_tx);
   AssertFatal(0==pthread_mutex_unlock(&ue->slsch_mutex),"");
   LOG_D(PHY,"ULSCH (after slsch) : signal F energy %d dB (txdataF %p)\n",dB_fixed(signal_energy(&ue->common_vars.txdataF[0][subframe_tx*14*ue->frame_parms.ofdm_symbol_size],14*ue->frame_parms.ofdm_symbol_size)),&ue->common_vars.txdataF[0][subframe_tx*14*ue->frame_parms.ofdm_symbol_size]);
-  LOG_D(PHY,"****** end Sidelink TX-Chain for AbsSubframe %d.%d (ul %d) ******\n", frame_tx, subframe_tx,
+  LOG_I(PHY,"****** end Sidelink TX-Chain for AbsSubframe %d.%d (ul %d) ******\n", frame_tx, subframe_tx,
 	ue->generate_ul_signal[subframe_tx][0]);
 
   if (ue->SLonly == 1) {

openair2/LAYER2/MAC/config_ue.c

-
 /*
  * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
  * contributor license agreements.  See the NOTICE file distributed with
@@ -668,9 +667,82 @@ rrc_mac_config_req_ue(module_id_t Mod_idP,
 		"PSCCH bitmap limited to 42 bits\n");
     UE_mac_inst[Mod_idP].slsch.SubframeBitmapSL_length = SubframeBitmapSL[preconfigpool->sc_TF_ResourceConfig_r12.subframeBitmap_r12.present];
     UE_mac_inst[Mod_idP].slsch.bitmap1 = *((uint64_t*)preconfigpool->sc_TF_ResourceConfig_r12.subframeBitmap_r12.choice.bs40_r12.buf);
+
+    AssertFatal(SL_Preconfiguration_r12->ext1!=NULL,"there is no Rel13 extension in SL preconfiguration\n"); 
+    AssertFatal(SL_Preconfiguration_r12->ext1->preconfigDisc_r13!=NULL,"there is no SL discovery configuration\n");
+    AssertFatal(SL_Preconfiguration_r12->ext1->preconfigDisc_r13->discRxPoolList_r13.list.count==1,"Discover RX pool list count %d != 1\n",
+                SL_Preconfiguration_r12->ext1->preconfigDisc_r13->discRxPoolList_r13.list.count);
+    SL_PreconfigDiscPool_r13_t *discrxpool=SL_Preconfiguration_r12->ext1->preconfigDisc_r13->discRxPoolList_r13.list.array[0];
+
+  /// Discovery Type
+    UE_mac_inst[Mod_idP].sldch.type     = disc_type1;
+  /// Number of SL resource blocks (1-100)
+    UE_mac_inst[Mod_idP].sldch.N_SL_RB = discrxpool->tf_ResourceConfig_r13.prb_Num_r12;
+  /// prb-start (0-99)
+    UE_mac_inst[Mod_idP].sldch.prb_Start= discrxpool->tf_ResourceConfig_r13.prb_Start_r12;
+  /// prb-End (0-99)
+    UE_mac_inst[Mod_idP].sldch.prb_End = discrxpool->tf_ResourceConfig_r13.prb_End_r12;
+  /// SL-OffsetIndicator (0-10239)
+    AssertFatal(discrxpool->tf_ResourceConfig_r13.offsetIndicator_r12.present  == SL_OffsetIndicator_r12_PR_small_r12,
+                "offsetIndicator_r12 is not PR_small_r12\n");
+
+    UE_mac_inst[Mod_idP].sldch.offsetIndicator = discrxpool->tf_ResourceConfig_r13.offsetIndicator_r12.choice.small_r12 ;
+
+    AssertFatal(discrxpool->tf_ResourceConfig_r13.subframeBitmap_r12.present >  SubframeBitmapSL_r12_PR_NOTHING && 
+                discrxpool->tf_ResourceConfig_r13.subframeBitmap_r12.present <= SubframeBitmapSL_r12_PR_bs42_r12,
+                "illegal subframeBitmap %d\n",discrxpool->tf_ResourceConfig_r13.subframeBitmap_r12.present);
+  	 
+  /// PSDCH subframe bitmap (up to 100 bits, first 64)
+    switch (discrxpool->tf_ResourceConfig_r13.subframeBitmap_r12.present) {
+          case SubframeBitmapSL_r12_PR_NOTHING:
+           AssertFatal(1==0,"Should never get here\n");
+           break;
+  	  case SubframeBitmapSL_r12_PR_bs4_r12:
+           UE_mac_inst[Mod_idP].sldch.bitmap1 = *(uint64_t*)discrxpool->tf_ResourceConfig_r13.subframeBitmap_r12.choice.bs4_r12.buf;
+           UE_mac_inst[Mod_idP].sldch.bitmap_length = 4;
+	   break;
+          case SubframeBitmapSL_r12_PR_bs8_r12:
+           UE_mac_inst[Mod_idP].sldch.bitmap1 = *(uint64_t*)discrxpool->tf_ResourceConfig_r13.subframeBitmap_r12.choice.bs8_r12.buf;
+           UE_mac_inst[Mod_idP].sldch.bitmap_length = 9;
+	  break;
+          case SubframeBitmapSL_r12_PR_bs12_r12:
+           UE_mac_inst[Mod_idP].sldch.bitmap1 = *(uint64_t*)discrxpool->tf_ResourceConfig_r13.subframeBitmap_r12.choice.bs12_r12.buf;
+           UE_mac_inst[Mod_idP].sldch.bitmap_length = 12;
+	  break;
+          case SubframeBitmapSL_r12_PR_bs16_r12:
+           UE_mac_inst[Mod_idP].sldch.bitmap1 = *(uint64_t*)discrxpool->tf_ResourceConfig_r13.subframeBitmap_r12.choice.bs16_r12.buf;
+           UE_mac_inst[Mod_idP].sldch.bitmap_length = 16;
+	  break;
+          case SubframeBitmapSL_r12_PR_bs30_r12:
+           UE_mac_inst[Mod_idP].sldch.bitmap1 = *(uint64_t*)discrxpool->tf_ResourceConfig_r13.subframeBitmap_r12.choice.bs30_r12.buf;
+           UE_mac_inst[Mod_idP].sldch.bitmap_length = 30;
+	  break;
+          case SubframeBitmapSL_r12_PR_bs40_r12:
+           UE_mac_inst[Mod_idP].sldch.bitmap1 = *(uint64_t*)discrxpool->tf_ResourceConfig_r13.subframeBitmap_r12.choice.bs40_r12.buf;
+           UE_mac_inst[Mod_idP].sldch.bitmap_length = 40;
+	  break;
+          case SubframeBitmapSL_r12_PR_bs42_r12:
+           UE_mac_inst[Mod_idP].sldch.bitmap1 = *(uint64_t*)discrxpool->tf_ResourceConfig_r13.subframeBitmap_r12.choice.bs42_r12.buf;
+           UE_mac_inst[Mod_idP].sldch.bitmap_length = 42;
+	  break;
+    } 
+
+  /// PSDCH subframe bitmap (up to 100 bits, second 36)
+    UE_mac_inst[Mod_idP].sldch.bitmap2 = 0;
+
+  /// SL-Discovery Period
+    AssertFatal(SL_PreconfigDiscPool_r13__discPeriod_r13_spare == 15, "specifications have changed, update table\n");
+    int sldisc_period[SL_PreconfigDiscPool_r13__discPeriod_r13_spare] = {4,6,7,8,12,14,16,24,28,32,64,128,256,512,1024};
+    UE_mac_inst[Mod_idP].sldch.discPeriod = sldisc_period[discrxpool->discPeriod_r13];
+
+  /// Number of Repetitions (N_R)
+    UE_mac_inst[Mod_idP].sldch.numRepetitions = discrxpool->numRepetition_r13;
+  /// Number of retransmissions (numRetx-r12)
+    UE_mac_inst[Mod_idP].sldch.numRetx = discrxpool->numRetx_r13;
+
+
   }
   if (directFrameNumber_r12<1025) UE_mac_inst[Mod_idP].directFrameNumber_r12     = directFrameNumber_r12;
-  if (directSubframeNumber_r12<11) UE_mac_inst[Mod_idP].directSubframeNumber_r12 = directSubframeNumber_r12;
   if (sl_Bandwidth_r12) UE_mac_inst[Mod_idP].sl_Bandwidth_r12        = *sl_Bandwidth_r12;
 #endif
 
@@ -679,3 +751,4 @@ rrc_mac_config_req_ue(module_id_t Mod_idP,
 
   return (0);
 }
+

openair2/LAYER2/MAC/ue_procedures.c

@@ -3197,7 +3197,6 @@ SLDCH_t *ue_get_sldch(module_id_t Mod_id,int CC_id,frame_t frame_tx,sub_frame_t
      LOG_I(MAC,"Got %d bytes from RRC for SLDCH @ %p\n",sldch->payload_length,sldch);
      return (sldch);
    }
-   else
 
    return((SLDCH_t*)NULL);
 }

openair2/RRC/LITE/L2_interface_ue.c

@@ -135,6 +135,13 @@ mac_rrc_data_req_ue(
     UE_rrc_inst[Mod_idP].SL_Discovery[eNB_indexP].Tx_buffer.payload_size = 0;
     return(Ret_size);
   }
+  else if (Srb_idP == SL_DISCOVERY) {
+    LOG_I(RRC,"[UE %d] Frame %d Filling DUMMY SL DISCOVERY SRB_ID %d\n",Mod_idP,frameP,Srb_idP);
+    for (int i=0;i<29;i++) buffer_pP[i] = i;
+    LOG_I(RRC,"[UE %d] Sending SL_Discovery, size %d bytes\n",Mod_idP,29);
+    return(29);
+
+  }
 #endif
 
   return(0);

targets/RT/USER/lte-softmodem.h

@@ -79,6 +79,7 @@
 #define CONFIG_HLP_ENABLESL      "Enable SL functionality"
 #define CONFIG_HLP_SLONLY        "Use SL only (i.e. wire UE to off-network state)"
 #define CONFIG_HLP_SYNCHREF      "Hard-wire UE as SynchRef UE for SL"
+#define CONFIG_HLP_SLSYNCONLY    "Run UE with only searching procedure for SynchREF"
 #define CONFIG_HLP_MSLOTS        "Skip the missed slots/subframes \n"    
 #define CONFIG_HLP_ULMCS         "Set the maximum uplink MCS\n"
 #define CONFIG_HLP_TDD           "Set hardware to TDD mode (default: FDD). Used only with -U (otherwise set in config file).\n"
@@ -139,6 +140,7 @@
 {"ue-enable-sl",               CONFIG_HLP_ENABLESL,   PARAMFLAG_BOOL,   iptr:&sidelink_active,              defintval:0,    TYPE_INT,      0}, \
 {"ue-sl-only",                 CONFIG_HLP_SLONLY,     PARAMFLAG_BOOL,   iptr:&SLonly,                       defintval:0,    TYPE_INT,      0}, \
 {"ue-synchref",                CONFIG_HLP_SYNCHREF,   PARAMFLAG_BOOL,   iptr:&synchRef,                     defintval:0,    TYPE_INT,      0}, \
+{"ue-slsync-only",             CONFIG_HLP_SLSYNCONLY, PARAMFLAG_BOOL,   iptr:&slsynconly,                   defintval:0,    TYPE_INT,      0}, \
 {"r"  ,                        CONFIG_HLP_PRB,        0,                u8ptr:&(frame_parms[0]->N_RB_DL),   defintval:25,   TYPE_UINT8,    0},     \
 }
 
@@ -265,7 +267,7 @@ extern void set_function_spec_param(RU_t *ru);
 extern int setup_ue_buffers(PHY_VARS_UE **phy_vars_ue, openair0_config_t *openair0_cfg);
 extern void fill_ue_band_info(void);
 
-extern void init_UE(int,int,int,int,int,int,int);
+extern void init_UE(int,int,int,int,int,int,int,int);
 extern void init_thread(int sched_runtime, int sched_deadline, int sched_fifo, cpu_set_t *cpuset, char * name);
 
 extern void reset_opp_meas(void);

targets/RT/USER/lte-ue.c

@@ -80,7 +80,7 @@ void *UE_thread(void *arg);
 void *UE_threadSL(void *arg);
 void init_UE_stub(int nb_inst,int,int,char*,int);
 void ue_stub_rx_handler(unsigned int, char *);
-void init_UE(int,int,int,int,int,int,int);
+void init_UE(int,int,int,int,int,int,int,int);
 
 int32_t **rxdata;
 int32_t **txdata;
@@ -223,7 +223,7 @@ void init_thread(int sched_runtime, int sched_deadline, int sched_fifo, cpu_set_
 
 }
 
-void init_UE(int nb_inst,int eMBMS_active, int uecap_xer_in, int timing_correction,int sidelink_active,int SLonly,int isSynchRef) {
+void init_UE(int nb_inst,int eMBMS_active, int uecap_xer_in, int timing_correction,int sidelink_active,int SLonly,int isSynchRef,int slsynconly) {
 
   PHY_VARS_UE *UE;
   int         inst;
@@ -245,6 +245,7 @@ void init_UE(int nb_inst,int eMBMS_active, int uecap_xer_in, int timing_correcti
     
     PHY_vars_UE_g[inst][0]->SLonly = SLonly;
     PHY_vars_UE_g[inst][0]->is_SynchRef = isSynchRef;
+    PHY_vars_UE_g[inst][0]->SLsynconly;
     
     LOG_I(PHY,"Intializing UE Threads for instance %d (%p,%p)...\n",inst,PHY_vars_UE_g[inst],PHY_vars_UE_g[inst][0]);
     init_UE_threads(inst);
@@ -764,7 +765,7 @@ static void *UE_thread_synchSL(void *arg)
     AssertFatal ( 0== pthread_mutex_lock(&UE->proc.mutex_synchSL), "");
     UE->proc.instance_cnt_synchSL--;
 // Remove this to go to steady-state mode
-    UE->is_synchronizedSL=0;
+    if (UE->SLsynconly==1) UE->is_synchronizedSL=0;
     AssertFatal ( 0== pthread_mutex_unlock(&UE->proc.mutex_synchSL), "");
   }
 }

targets/RT/USER/lte-uesoftmodem.c

@@ -160,6 +160,7 @@ char emul_iface[100];
 int sidelink_active=0;
 int SLonly=0;
 int synchRef=0;
+int slsynconly=0;
 
 #if MAX_NUM_CCs == 1
 rx_gain_t                rx_gain_mode[MAX_NUM_CCs][4] = {{max_gain,max_gain,max_gain,max_gain}};
@@ -1040,7 +1041,7 @@ int main( int argc, char **argv )
   // start the main threads
     int eMBMS_active = 0;
 
-    init_UE(1,eMBMS_active,uecap_xer_in,0,sidelink_active,SLonly,synchRef);
+    init_UE(1,eMBMS_active,uecap_xer_in,0,sidelink_active,SLonly,synchRef,slsynconly);
 
     if (phy_test==0) {
       printf("Filling UE band info\n");