* Change the Linux Sched policy to SCHED_DEADLINE for the kernel version > 3.14

* Add MAC/RRC wireshark interface to LTE softmodem
* Add OTG support to the eNB App, and some cleanup


git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6115 818b1a75-f10b-46b9-bf7c-635c3b92a50f

openair1/PHY/TOOLS/time_meas.c

@@ -56,11 +56,21 @@ void print_meas(time_stats_t *ts, const char* name, time_stats_t * total_exec_ti
     
     if (first_time == 0) {
     first_time=1;
+      if ((total_exec_time == NULL) || (sf_exec_time== NULL))
+	fprintf(stderr, "%25s  %25s  %25s  %25s %6f\n","Name","Total","Per Trials", "Num Trials","CPU_F_GHz", cpu_freq_GHz);
+      else
 	fprintf(stderr, "%25s  %25s  %25s  %20s %15s %6f\n","Name","Total","Average/Frame","Trials","CPU_F_GHz", cpu_freq_GHz);
     }
     if (ts->trials>0) {
       //printf("%20s: total: %10.3f ms, average: %10.3f us (%10d trials)\n", name, ts->diff/cpu_freq_GHz/1000000.0, ts->diff/ts->trials/cpu_freq_GHz/1000.0, ts->trials);
      
+      if ((total_exec_time == NULL) || (sf_exec_time== NULL)){
+	fprintf(stderr, "%25s:  %15.3f ms ;  %15.3f us; %15d;\n", 
+		name, 	
+		(ts->diff/cpu_freq_GHz/1000000.0),
+		(ts->diff/ts->trials/cpu_freq_GHz/1000.0),	
+		ts->trials);
+      }else {
 	fprintf(stderr, "%25s:  %15.3f ms (%5.2f%%); %15.3f us (%5.2f%%); %15d;\n", 
 		name, 
 		(ts->diff/cpu_freq_GHz/1000000.0), 
@@ -70,6 +80,7 @@ void print_meas(time_stats_t *ts, const char* name, time_stats_t * total_exec_ti
 		ts->trials);
       }
     }
+  }
   
 }
 

openair1/PHY/defs.h

@@ -302,6 +302,11 @@ typedef struct PHY_VARS_eNB_s{
   time_stats_t phy_proc;
   time_stats_t phy_proc_tx;
   time_stats_t phy_proc_rx;
+  /*
+  time_stats_t phy_proc_sf[10]; // for each subframe
+  time_stats_t phy_proc_tx_sf[10]; 
+  time_stats_t phy_proc_rx_sf[10];
+  */
   time_stats_t rx_prach;
   
   time_stats_t ofdm_mod_stats;

openair2/ENB_APP/enb_config.c

@@ -43,6 +43,8 @@
 #include "log_extern.h"
 #include "assertions.h"
 #include "enb_config.h"
+#include "UTIL/OTG/otg.h"
+#include "UTIL/OTG/otg_externs.h"
 #if defined(OAI_EMU)
 # include "OCG.h"
 # include "OCG_extern.h"
@@ -162,6 +164,11 @@
 #define ENB_CONFIG_STRING_ASN1_VERBOSITY_ANNOYING             "annoying"
 #define ENB_CONFIG_STRING_ASN1_VERBOSITY_INFO                 "info"
 
+// OTG config per ENB-UE DL 
+#define ENB_CONF_STRING_OTG_CONFIG                          "otg_config"
+#define ENB_CONF_STRING_OTG_UE_ID                           "ue_id"
+#define ENB_CONF_STRING_OTG_APP_TYPE                        "app_type"
+#define ENB_CONF_STRING_OTG_BG_TRAFFIC                      "bg_traffic"
 
 // per eNB configuration 
 #define ENB_CONFIG_STRING_LOG_CONFIG                       "log_config"
@@ -185,8 +192,6 @@
 #define ENB_CONFIG_STRING_UDP_LOG_VERBOSITY                "udp_log_verbosity"
 
 
-
-
 #define KHz (1000UL)
 #define MHz (1000 * KHz)
 
@@ -345,6 +350,11 @@ static void enb_config_display(void) {
 	    printf( "\tue_TimersAndConstants_n311 for CC %d:\t%d:\n",j,enb_properties.properties[i]->ue_TimersAndConstants_n311[j]);
  
         }
+	for (j=0; j < enb_properties.properties[i]->num_otg_elements; j++){
+	  printf( "\n\tOTG Destination UE ID:  \t%d", enb_properties.properties[i]->otg_ue_id[j]);
+	  printf( "\n\tOTG App Type:  \t%d", enb_properties.properties[i]->otg_app_type[j]);
+	  printf( "\n\tOTG Background Traffic:  \t%s\n", (enb_properties.properties[i]->otg_bg_traffic[j]==1) ? "Enabled" : "Disabled");
+	}
 	
         printf( "\n\tGlobal log level:  \t%s\n", map_int_to_str(log_level_names,enb_properties.properties[i]->glog_level));
         printf( "\tHW log level:      \t%s\n", map_int_to_str(log_level_names,enb_properties.properties[i]->hw_log_level));
@@ -420,10 +430,13 @@ const Enb_properties_array_t *enb_config_init(char* lib_config_file_name_pP) {
     config_setting_t *setting_mme_addresses         = NULL;
     config_setting_t *setting_mme_address           = NULL;
     config_setting_t *setting_enb                   = NULL;
+    config_setting_t *setting_otg                   = NULL;
+    config_setting_t *subsetting_otg                   = NULL;
     int               num_enb_properties            = 0;
     int               enb_properties_index          = 0;
     int               num_enbs;
     int               num_mme_address;
+    int               num_otg_elements              =0;
     int               num_component_carriers        =0;
     int               i;
     int               j;
@@ -523,6 +536,9 @@ const Enb_properties_array_t *enb_config_init(char* lib_config_file_name_pP) {
     char             *address                       = NULL;
     char             *cidr                          = NULL;
     char             *astring                       = NULL;
+    libconfig_int     otg_ue_id                     = 0;
+    char*             otg_app_type                  = NULL;
+    char*             otg_bg_traffic                = NULL;
     char*             glog_level                    = NULL;
     char*             glog_verbosity                = NULL;
     char*             hw_log_level                  = NULL;
@@ -1634,6 +1650,41 @@ const Enb_properties_array_t *enb_config_init(char* lib_config_file_name_pP) {
                             }
                         }
                     }
+
+		    // OTG _CONFIG
+		    setting_otg = config_setting_get_member (setting_enb, ENB_CONF_STRING_OTG_CONFIG);
+                    if(setting_otg != NULL) {	  
+		      num_otg_elements  = config_setting_length(setting_otg);
+		      printf("num otg elements %d \n", num_otg_elements);
+		      enb_properties.properties[enb_properties_index]->num_otg_elements = 0;
+		      for (j = 0; j < num_otg_elements; j++) {
+			subsetting_otg=config_setting_get_elem(setting_otg, j);
+			
+			if(config_setting_lookup_int(subsetting_otg, ENB_CONF_STRING_OTG_UE_ID, &otg_ue_id))
+			  enb_properties.properties[enb_properties_index]->otg_ue_id[j] = otg_ue_id;
+			else 
+			  enb_properties.properties[enb_properties_index]->otg_ue_id[j] = 1;
+			
+			if(config_setting_lookup_string(subsetting_otg, ENB_CONF_STRING_OTG_APP_TYPE, (const char **)&otg_app_type)){
+			  if ((enb_properties.properties[enb_properties_index]->otg_app_type[j] = map_str_to_int(otg_app_type_names,otg_app_type))== -1) 
+			    enb_properties.properties[enb_properties_index]->otg_app_type[j] = BCBR;
+			}else 
+			  enb_properties.properties[enb_properties_index]->otg_app_type[j] = NO_PREDEFINED_TRAFFIC; // 0
+			
+			if(config_setting_lookup_string(subsetting_otg, ENB_CONF_STRING_OTG_BG_TRAFFIC, (const char **)&otg_bg_traffic)){
+			 
+			  if ((enb_properties.properties[enb_properties_index]->otg_bg_traffic[j] = map_str_to_int(switch_names,otg_bg_traffic)) == -1){
+			    enb_properties.properties[enb_properties_index]->otg_bg_traffic[j]=0;
+	
+			  }
+			}else{ 
+			  enb_properties.properties[enb_properties_index]->otg_bg_traffic[j] = 0;
+			  printf("otg bg %s\n", otg_bg_traffic);
+			}
+			enb_properties.properties[enb_properties_index]->num_otg_elements+=1;
+			
+		      }
+		    }
                     // log_config
                     subsetting = config_setting_get_member (setting_enb, ENB_CONFIG_STRING_LOG_CONFIG);
                     if(subsetting != NULL) {

openair2/ENB_APP/enb_config.h

@@ -30,9 +30,9 @@
 /*
                                 enb_config.h
                              -------------------
-  AUTHOR  : Lionel GAUTHIER, Laurent Winckel
+  AUTHOR  : Lionel GAUTHIER, Navid Nikaein, Laurent Winckel
   COMPANY : EURECOM
-  EMAIL   : Lionel.Gauthier@eurecom.fr
+  EMAIL   : Lionel.Gauthier@eurecom.fr, navid.nikaein@eurecom.fr
 */
 
 #ifndef ENB_CONFIG_H_
@@ -42,6 +42,7 @@
 #include "commonDef.h"
 #include "platform_types.h"
 #include "PHY/impl_defs_lte.h"
+#include "PHY/impl_defs_top.h"
 #include "s1ap_messages_types.h"
 #include "RRC/LITE/MESSAGES/SystemInformationBlockType2.h"
 
@@ -181,6 +182,13 @@ typedef struct Enb_properties_s {
   char               *enb_interface_name_for_S1_MME;
   in_addr_t           enb_ipv4_address_for_S1_MME;
 
+  // otg config
+  /* Nb of OTG elements */
+  uint8_t            num_otg_elements;
+  /* element config*/
+  uint16_t            otg_ue_id[NUMBER_OF_UE_MAX+1];
+  uint8_t          otg_app_type[NUMBER_OF_UE_MAX+1];
+  uint8_t            otg_bg_traffic[NUMBER_OF_UE_MAX+1];
    // log config
   int16_t           glog_level;
   int16_t           glog_verbosity;

openair2/RRC/LITE/rrc_UE.c

@@ -2630,8 +2630,7 @@ uint8_t check_trigger_meas_event(module_id_t ue_mod_idP,frame_t frameP, uint8_t
 	    if(eNB_offset<eNB_index){
 	      tmp_offset = eNB_offset;
 	    }
-		  else
-		  {
+	    else {
 	      tmp_offset = eNB_offset-1;
 	    }
 	    if(UE_rrc_inst[ue_mod_idP].rsrp_db_filtered[eNB_offset]+ofn+ocn-hys > UE_rrc_inst[ue_mod_idP].rsrp_db_filtered[eNB_index]+ofs+ocs-1/*+a3_offset*/) {

openair2/UTIL/OPT/opt.h

@@ -58,8 +58,8 @@ This header file must be included */
 #define project_include
 #include "UTIL/LOG/log_if.h"
 // #include "UTIL/LOG/log_extern.h"
-#include "PHY/defs.h"
-#include "PHY/extern.h"
+//#include "PHY/defs.h"
+//#include "PHY/extern.h"
 #include "PHY/impl_defs_lte.h"
 #endif
 

openair2/UTIL/OTG/otg_externs.h

@@ -42,13 +42,30 @@
 #    define __OTG_EXTERNS_H__
 
 
-
-
 /*!< \brief main log variables */
 extern otg_t *g_otg; /*!< \brief global params */
 extern otg_multicast_t *g_otg_multicast; /*!< \brief global params */
 extern otg_info_t *otg_info; /*!< \brief info otg */
 extern otg_multicast_info_t *otg_multicast_info; /*!< \brief  info otg: measurements about the simulation  */
+extern otg_forms_info_t *otg_forms_info;
+
+extern mapping otg_multicast_app_type_names[] ;
+
+extern mapping otg_app_type_names[];
+
+extern mapping otg_transport_protocol_names[];
+
+extern mapping otg_ip_version_names[];
+
+extern mapping otg_multicast_app_type_names[];
+
+extern mapping otg_distribution_names[];
+
+extern mapping frame_type_names[];
+
+extern mapping switch_names[] ;
+
+extern mapping packet_gen_names[];
 
 #endif
 

openair2/UTIL/OTG/otg_form.c

@@ -40,7 +40,7 @@
 */
 
 #include "otg_form.h"
-#include "otg_vars.h"
+#include "otg_externs.h"
 #include "otg_kpi.h"
 
 extern unsigned char NB_eNB_INST;

openair2/UTIL/OTG/otg_rx.c

@@ -39,7 +39,7 @@
 */
 
 #include "otg_rx.h"
-#include "otg_vars.h"
+#include "otg_externs.h"
 #include "../UTIL/MATH/oml.h"
 #include <math.h>
 #include "otg_form.h"

openair2/UTIL/OTG/otg_tx.c

@@ -41,11 +41,12 @@
 
 #include "UTIL/MATH/oml.h"
 #include "otg_tx.h" 
-#include "otg_vars.h"
+#include "otg_externs.h"
 
 extern unsigned char NB_eNB_INST;
 extern unsigned char NB_UE_INST;
 
+
 // char string for payload gen
 const char HEADER_STRING[] = "048717272261061594909177115977673656394812939088509638561159848103044447631759621785741859753883189837913087874397230808338408049820398430984093477437879374893649639479575023646394693665969273071047";
 const char PAYLOAD_STRING[] = "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";

openair2/UTIL/OTG/otg_vars.h

@@ -48,8 +48,113 @@ otg_info_t *otg_info; /*!< \brief  info otg: measurements about the simulation
 otg_multicast_info_t *otg_multicast_info; /*!< \brief  info otg: measurements about the simulation  */
 otg_forms_info_t *otg_forms_info;
 
+mapping otg_app_type_names[] =
+{
+  {"no_predefined_traffic", 0},
+  {"m2m", 1},
+  {"scbr", 2},
+  {"mcbr", 3},
+  {"bcbr", 4},
+  {"auto_pilot", 5},
+  {"bicycle_race", 6},
+  {"open_arena", 7},
+  {"team_fortress", 8},
+  {"full_buffer", 9},
+  {"m2m_traffic", 10},
+  {"auto_pilot_l",11},
+  {"auto_pilot_m", 12},
+  {"auto_pilot_h", 13},
+  {"auto_pilot_e", 14},
+  {"virtual_game_l", 15},
+  {"virtual_game_m", 16},
+  {"virtual_game_h", 17},
+  {"virtual_game_f", 18},
+  {"alarm_humidity", 19},
+  {"alarm_smoke",20},
+  {"alarm_temperature", 21},
+  {"openarena_dl", 22},
+  {"openarena_ul", 23},
+  {"voip_g711", 24},
+  {"voip_g729", 25},
+  {"iqsim_mango", 26},
+  {"iqsim_newsteo", 27},
+  {"openarena_dl_tarma", 28},
+  {"video_vbr_10mbps", 29},
+  {"video_vbr_4mbps", 30},
+  {"video_vbr_2mbps", 31},
+  {"video_vbr_768kbps", 32},
+  {"video_vbr_384kbps", 33},
+  {"video_vbr_192kpbs", 34},
+  {"background_users", 35},
+  {NULL, -1}
+};
+mapping otg_transport_protocol_names[] =
+{
+    {"no_proto", 0},
+    {"udp", 1},
+    {"tcp", 2},
+    {NULL, -1}
+};
+mapping otg_ip_version_names[] =
+{
+    {"no_ip", 0},
+    {"ipv4", 1},
+    {"ipv6", 2},
+    {NULL, -1}
+};
 
+mapping otg_multicast_app_type_names[] = {
+  {"no_predefined_multicast_traffic", 0},
+  {"mscbr", 1},
+  {"mmcbr", 2},
+  {"mbcbr", 3},
+  {"msvbr", 4},
+  {"mmvbr", 5},
+  {"mbvbr", 6},
+  {"mvideo_vbr_4mbps", 7},
+  {NULL, -1}
+}  ;
 
+mapping otg_distribution_names[] =
+{
+    {"no_customized_traffic", 0},
+    {"uniform", 1},
+    {"gaussian", 2},
+    {"exponential", 3},
+    {"poisson", 4},
+    {"fixed", 5},
+    {"weibull", 6},
+    {"pareto", 7},
+    {"gamma", 8},
+    {"cauchy",9},
+    {"log_normal",10},
+    {"tarma",11},
+    {"video",12},
+    {"background_dist",13},
+    {NULL, -1}
+};
+mapping frame_type_names[] =
+{
+    {"TDD", 1},
+    {"FDD", 0},
+    {NULL, -1}
+};
+
+mapping switch_names[] =
+{
+    {"disable", 0},
+    {"enable", 1},
+    {NULL, -1}
+};
+
+mapping packet_gen_names[] =
+{
+    {"repeat_string", 0},
+    {"substract_string", 1},
+    {"random_position", 2},
+    {"random_string", 3},
+    {NULL, -1}
+};
 //int ptime; /*!< \brief ptime is uses to compute the local simulation time */
 
 #endif

targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.exmimo2.conf

@@ -120,7 +120,20 @@ eNBs =
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.13.82/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
     };
-    
+ /*
+    otg_config = (
+    	         {	      	
+    	      	 ue_id				=1;
+	     	 app_type			="scbr";
+	      	 bg_traffic			="disable";
+	      	 },
+	      	 {	      	
+    	      	 ue_id				=2;
+	      	 app_type			="bcbr";
+	      	 bg_traffic			="enable";
+	      	 }
+	      );
+*/
     log_config : 
     {
 	global_log_level                      ="info"; 

targets/RT/USER/Makefile

@@ -18,6 +18,16 @@ ifeq "$(GCCVERSION)" "4.6.1"
     CFLAGS += -Wno-packed-bitfield-compat
 endif
 
+KERNEL_VERSION=$(shell echo `uname -r | cut -d. -f-2`)
+KERNEL_TYPE=$(shell echo `uname -r | cut -d. -f-3 | cut -d- -f3`)
+LOWLATENCY_KERNEL=$(shell if [ $(KERNEL_TYPE) = "lowlatency" ]; then echo "1" ; else echo "0" ; fi)
+
+ifdef LOWLATENCY # this ifdef is to be removed after the debugging
+ifeq ($(LOWLATENCY_KERNEL),1)
+CFLAGS+=-DLOWLATENCY
+endif 
+endif 
+
 ifndef USRP
 USRP=0
 endif
@@ -115,7 +125,7 @@ OBJ += $(LOG_OBJS)
 
 ifeq ($(OPENAIR2),1)
 ASN1_MSG_OBJS1=$(addprefix $(OPENAIR2_DIR)/RRC/LITE/MESSAGES/, $(ASN1_MSG_OBJS))
-OBJ += $(L2_OBJS) $(LIST_OBJ) $(TIMER_OBJ) $(MEM_OBJ) $(OTG_OBJS) $(MATH_OBJS)  $(OSA_OBJS)  
+OBJ += $(L2_OBJS) $(LIST_OBJ) $(TIMER_OBJ) $(MEM_OBJ) $(OTG_OBJS) $(MATH_OBJS)  $(OSA_OBJS) $(OPT_OBJS) 
 OBJ += $(OPENAIR1_DIR)/SIMULATION/ETH_TRANSPORT/netlink_init.o
 #OBJ += $(PDCP_DIR)/pdcp_thread.o
 CFLAGS += -DOPENAIR2 -DNO_RRM -DPUCCH -DMAC_CONTEXT=1
@@ -404,6 +414,7 @@ show:
 	@echo IS_REL10 is $(IS_REL10)
 	@echo openssl $(OPENSSL_FOUND) 
 	@echo nettle $(NETTLE_FOUND)
+	@echo lowlatency kernel: $(LOWLATENCY_KERNEL)
 
 beautiful:
 	astyle --style=gnu -s2 $(SRC)

targets/RT/USER/eNB.gtkw

@@ -5,7 +5,7 @@
 [dumpfile] "/tmp/openair_dump_eNB.vcd"
 [dumpfile_mtime] "Wed Sep 17 09:52:33 2014"
 [dumpfile_size] 53042998
-[savefile] "/homes/knopp/Devel/openair4G/trunk/targets/RT/USER/eNB.gtkw"
+[savefile] "$OPENAIR_TARGETS/RT/USER/eNB.gtkw"
 [timestart] 13048857000
 [size] 1005 600
 [pos] -1 -1

targets/RT/USER/rt_wrapper.h

@@ -28,14 +28,14 @@
  *******************************************************************************/
 
 /*! \file rt_wrapper.h
-* \brief provides a wrapper for the timing function for real-time opeartions depending on weather RTAI is used or not
-* \author F. Kaltenberger
+* \brief provides a wrapper for the timing function for real-time opeartions depending on weather RTAI is used or not. It also implements an API for the SCHED_DEADLINE kernel scheduler.
+* \author F. Kaltenberger and Navid Nikaein
 * \date 2013
 * \version 0.1
 * \company Eurecom
-* \email: florian.kaltenberger@eurecom.fr
+* \email: florian.kaltenberger@eurecom.fr, navid.nikaein@eurecom.fr
 * \note
-* \warning
+* \warning This code will be removed when a legacy libc API becomes available.
 */
 
 #ifndef RTAI
@@ -43,6 +43,8 @@
 #include <errno.h>
 #include <stdio.h>
 #include <pthread.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
 
 #define RTIME long long int
 
@@ -54,6 +56,51 @@ int rt_sleep_ns (RTIME x);
 
 void check_clock(void);
 
+/**
+ * see https://www.kernel.org/doc/Documentation/scheduler/sched-deadline.txt  or
+ * http://www.blaess.fr/christophe/2014/04/05/utiliser-un-appel-systeme-inconnu-de-la-libc/
+ */
+#ifdef LOWLATENCY
+
+#define gettid() syscall(__NR_gettid)
+
+#define SCHED_DEADLINE	6
+
+ /* XXX use the proper syscall numbers */
+#ifdef __x86_64__
+ #define __NR_sched_setattr		314 
+ #define __NR_sched_getattr		315
+#endif
+
+#ifdef __i386__
+ #define __NR_sched_setattr		351
+ #define __NR_sched_getattr		352
+#endif
+
+struct sched_attr {
+  __u32 size;
+  
+  __u32 sched_policy;
+  __u64 sched_flags;
+  
+  /* SCHED_NORMAL, SCHED_BATCH */
+  __s32 sched_nice;
+  
+  /* SCHED_FIFO, SCHED_RR */
+  __u32 sched_priority;
+  
+  /* SCHED_DEADLINE (nsec) */
+  __u64 sched_runtime;
+  __u64 sched_deadline;
+  __u64 sched_period;
+};
+
+int sched_setattr(pid_t pid, const struct sched_attr *attr, unsigned int flags);
+
+int sched_getattr(pid_t pid,struct sched_attr *attr,unsigned int size, unsigned int flags);
+
+#endif 
+
 #else
 #include <rtai_hal.h>
 #include <rtai_lxrt.h>

targets/SIMU/USER/oaisim.c

@@ -565,7 +565,6 @@ void *l2l1_task(void *args_p) {
   start_meas(&oaisim_stats);
   for (frame = 0; (l2l1_state != L2L1_TERMINATED) && (frame < oai_emulation.info.n_frames); frame++) {
 
-    start_meas(&oaisim_stats_f);
  
 #if defined(ENABLE_ITTI)
     do {
@@ -660,6 +659,8 @@ void *l2l1_task(void *args_p) {
     update_ocm ();
 
     for (slot = 0; slot < 20; slot++) {
+      if (slot%2==0)
+	start_meas(&oaisim_stats_f);
 
       wait_for_slot_isr ();
 
@@ -977,7 +978,8 @@ void *l2l1_task(void *args_p) {
 	    }
 	  */
 	} // if Channel_Flag==0
-    
+      if (slot%2==1)
+	stop_meas(&oaisim_stats_f);
     }//end of slot
 
     if ((frame >= 10) && (frame <= 11) && (abstraction_flag == 0)
@@ -1028,8 +1030,9 @@ void *l2l1_task(void *args_p) {
       smbv_frame_cnt++;
     }
 #endif
+ 
   }
-  stop_meas(&oaisim_stats_f);
+  
     //end of frame
       
   stop_meas(&oaisim_stats);
@@ -1267,7 +1270,21 @@ void *l2l1_task(void *args_p) {
       reset_meas(&UE_pdcp_stats[UE_id].pdcp_ip);
       reset_meas(&UE_pdcp_stats[UE_id].ip_pdcp);
     
+      
+    }
     for (eNB_id=0; eNB_id<NB_eNB_INST; eNB_id++) {
+      
+      for (UE_id=0; UE_id<NB_UE_INST; UE_id++) {
+	  reset_meas(&eNB2UE[eNB_id][UE_id][0]->random_channel);
+	  reset_meas(&eNB2UE[eNB_id][UE_id][0]->interp_time);
+	  reset_meas(&eNB2UE[eNB_id][UE_id][0]->interp_freq);
+	  reset_meas(&eNB2UE[eNB_id][UE_id][0]->convolution);
+	  reset_meas(&UE2eNB[UE_id][eNB_id][0]->random_channel);
+	  reset_meas(&UE2eNB[UE_id][eNB_id][0]->interp_time);
+	  reset_meas(&UE2eNB[UE_id][eNB_id][0]->interp_freq);
+	  reset_meas(&UE2eNB[UE_id][eNB_id][0]->convolution);
+      }
+
       reset_meas(&PHY_vars_eNB_g[eNB_id][0]->phy_proc);
       reset_meas(&PHY_vars_eNB_g[eNB_id][0]->phy_proc_rx);
       reset_meas(&PHY_vars_eNB_g[eNB_id][0]->phy_proc_tx);
@@ -1300,14 +1317,6 @@ void *l2l1_task(void *args_p) {
       reset_meas(&PHY_vars_eNB_g[eNB_id][0]->ulsch_tc_intl1_stats);
       reset_meas(&PHY_vars_eNB_g[eNB_id][0]->ulsch_tc_intl2_stats);
       
-	reset_meas(&eNB2UE[eNB_id][UE_id][0]->random_channel);
-	reset_meas(&eNB2UE[eNB_id][UE_id][0]->interp_time);
-	reset_meas(&eNB2UE[eNB_id][UE_id][0]->interp_freq);
-	reset_meas(&eNB2UE[eNB_id][UE_id][0]->convolution);
-	reset_meas(&UE2eNB[UE_id][eNB_id][0]->random_channel);
-	reset_meas(&UE2eNB[UE_id][eNB_id][0]->interp_time);
-	reset_meas(&UE2eNB[UE_id][eNB_id][0]->interp_freq);
-	reset_meas(&UE2eNB[UE_id][eNB_id][0]->convolution);
       /* 
        * L2 functions 
        */
@@ -1332,9 +1341,9 @@ void *l2l1_task(void *args_p) {
       
     }
   }
-  }
 
-  void print_opp_meas(void){
+void print_opp_meas(void){
+  
   uint8_t eNB_id=0,UE_id=0;
 
     print_meas(&oaisim_stats,"[OAI][total_exec_time]", &oaisim_stats,&oaisim_stats);

targets/SIMU/USER/oaisim_config.c

@@ -52,7 +52,7 @@
 #include "UTIL/OMG/grid.h"
 #include "UTIL/OTG/otg_tx.h"
 #include "UTIL/OTG/otg.h"
-#include "UTIL/OTG/otg_vars.h"
+#include "UTIL/OTG/otg_externs.h"
 #include "oml.h"
 #ifdef ENABLE_RAL
 #include "lteRALenb.h"
@@ -84,115 +84,7 @@ mapping omg_rwp_names[] =
   {"MAX_RWP_TYPES", MAX_RWP_TYPES},
   {NULL, -1}
 };
-mapping otg_multicast_app_type_names[] = {
-  {"no_predefined_multicast_traffic", 0},
-  {"mscbr", 1},
-  {"mmcbr", 2},
-  {"mbcbr", 3},
-  {"msvbr", 4},
-  {"mmvbr", 5},
-  {"mbvbr", 6},
-  {"mvideo_vbr_4mbps", 7},
-  {NULL, -1}
-}  ;
-
-mapping otg_app_type_names[] =
-{
-  {"no_predefined_traffic", 0},
-  {"m2m", 1},
-  {"scbr", 2},
-  {"mcbr", 3},
-  {"bcbr", 4},
-  {"auto_pilot", 5},
-  {"bicycle_race", 6},
-  {"open_arena", 7},
-  {"team_fortress", 8},
-  {"full_buffer", 9},
-  {"m2m_traffic", 10},
-  {"auto_pilot_l",11},
-  {"auto_pilot_m", 12},
-  {"auto_pilot_h", 13},
-  {"auto_pilot_e", 14},
-  {"virtual_game_l", 15},
-  {"virtual_game_m", 16},
-  {"virtual_game_h", 17},
-  {"virtual_game_f", 18},
-  {"alarm_humidity", 19},
-  {"alarm_smoke",20},
-  {"alarm_temperature", 21},
-  {"openarena_dl", 22},
-  {"openarena_ul", 23},
-  {"voip_g711", 24},
-  {"voip_g729", 25},
-  {"iqsim_mango", 26},
-  {"iqsim_newsteo", 27},
-  {"openarena_dl_tarma", 28},
-  {"video_vbr_10mbps", 29},
-  {"video_vbr_4mbps", 30},
-  {"video_vbr_2mbps", 31},
-  {"video_vbr_768kbps", 32},
-  {"video_vbr_384kbps", 33},
-  {"video_vbr_192kpbs", 34},
-  {"background_users", 35},
-  {NULL, -1}
-};
-
-mapping otg_transport_protocol_names[] =
-{
-    {"no_proto", 0},
-    {"udp", 1},
-    {"tcp", 2},
-    {NULL, -1}
-};
 
-mapping otg_ip_version_names[] =
-{
-    {"no_ip", 0},
-    {"ipv4", 1},
-    {"ipv6", 2},
-    {NULL, -1}
-};
-
-mapping otg_distribution_names[] =
-{
-    {"no_customized_traffic", 0},
-    {"uniform", 1},
-    {"gaussian", 2},
-    {"exponential", 3},
-    {"poisson", 4},
-    {"fixed", 5},
-    {"weibull", 6},
-    {"pareto", 7},
-    {"gamma", 8},
-    {"cauchy",9},
-    {"log_normal",10},
-    {"tarma",11},
-    {"video",12},
-    {"background_dist",13},
-    {NULL, -1}
-};
-mapping frame_type_names[] =
-{
-    {"TDD", 1},
-    {"FDD", 0},
-    {NULL, -1}
-};
-
-mapping switch_names[] =
-{
-    {"disable", 0},
-    {"enable", 1},
-    {NULL, -1}
-};
-
-mapping packet_gen_names[] =
-{
-    {"repeat_string", 0},
-    {"substract_string", 1},
-    {"random_position", 2},
-    {"random_string", 3},
-    {NULL, -1}
-};
 
 void init_oai_emulation(void) {
 

targets/SIMU/USER/oaisim_config.h

@@ -58,6 +58,8 @@ The current sturcture of oaisim is shown by the figure.
 #include "UTIL/OPT/opt.h" // to test OPT
 #include "UTIL/OMG/omg.h"
 #include "UTIL/CLI/cli_if.h"
+#include "PHY/defs.h"
+#include "PHY/extern.h"
 #include "SIMULATION/ETH_TRANSPORT/defs.h"
 #include "PHY/defs.h"
 

targets/SIMU/USER/oaisim_functions.c

@@ -811,7 +811,18 @@ void init_openair1(void) {
 #endif
   // change the nb_connected_eNB
   for (CC_id=0;CC_id<MAX_NUM_CCs;CC_id++) {
-    init_lte_vars (&frame_parms[CC_id], oai_emulation.info.frame_type[CC_id], oai_emulation.info.tdd_config[CC_id], oai_emulation.info.tdd_config_S[CC_id],oai_emulation.info.extended_prefix_flag[CC_id],oai_emulation.info.N_RB_DL[CC_id], Nid_cell, cooperation_flag, oai_emulation.info.transmission_mode[CC_id], abstraction_flag,nb_antennas_rx, oai_emulation.info.eMBMS_active_state);
+    init_lte_vars (&frame_parms[CC_id], 
+		   oai_emulation.info.frame_type[CC_id], 
+		   oai_emulation.info.tdd_config[CC_id], 
+		   oai_emulation.info.tdd_config_S[CC_id],
+		   oai_emulation.info.extended_prefix_flag[CC_id],
+		   oai_emulation.info.N_RB_DL[CC_id], 
+		   Nid_cell, 
+		   cooperation_flag, 
+		   oai_emulation.info.transmission_mode[CC_id], 
+		   abstraction_flag,
+		   nb_antennas_rx, 
+		   oai_emulation.info.eMBMS_active_state);
   }
 
   for (eNB_id=0; eNB_id<NB_eNB_INST;eNB_id++){
@@ -830,8 +841,9 @@ void init_openair1(void) {
       }
   }
 
-  printf ("AFTER init: Nid_cell %d\n", PHY_vars_eNB_g[0][0]->lte_frame_parms.Nid_cell);
-  printf ("AFTER init: frame_type %d,tdd_config %d\n",
+   printf ("AFTER init: MAX_NUM_CCs %d, Nid_cell %d frame_type %d,tdd_config %d\n",
+	  MAX_NUM_CCs,
+	  PHY_vars_eNB_g[0][0]->lte_frame_parms.Nid_cell,
 	  PHY_vars_eNB_g[0][0]->lte_frame_parms.frame_type,
 	  PHY_vars_eNB_g[0][0]->lte_frame_parms.tdd_config);