Merge branch 'enhancement-10-harmony' of...

Merge branch 'enhancement-10-harmony' of https://gitlab.eurecom.fr/oai/openairinterface5g into enhancement-10-harmony

.gitlab-ci.yml

@@ -8,6 +8,8 @@ job1:
    - echo $EXTERNAL_SHARE_DIR
    - echo $SHELL
    - echo $OAI_TEST_CASE_GROUP
+   - echo $MACHINELIST
+   - echo $MACHINELISTGENERIC
    - git rev-parse --abbrev-ref HEAD
    - git_repo=`git config --get remote.origin.url`
    - git_head=`git rev-parse HEAD`
@@ -25,8 +27,8 @@ job1:
    - echo $NRUNS_LTE_SOFTMODEM
    - echo $TIMEOUT_CMD
    - mkdir -p $OPENAIR_DIR/cmake_targets/autotests/log
-   - python $OPENAIR_DIR/cmake_targets/autotests/run_exec_lte-softmodem_tests.py -c -5GRepo $git_repo -5GRepoHeadVersion $git_head -n $NFS_SHARE_DIR -u $OAI_USER -p $OAI_PASS  $OAI_EXTRA_ARGS -g "$OAI_TEST_CASE_GROUP">& $OPENAIR_DIR/cmake_targets/autotests/python_autotest_cleanup.log
-   - python $OPENAIR_DIR/cmake_targets/autotests/run_exec_lte-softmodem_tests.py -r -5GRepo $git_repo -5GRepoHeadVersion $git_head -n $NFS_SHARE_DIR -u $OAI_USER -p $OAI_PASS `echo $OAI_EXTRA_ARGS` -g "$OAI_TEST_CASE_GROUP" --nrun_lte_softmodem $NRUNS_LTE_SOFTMODEM --timeout_cmd $TIMEOUT_CMD >& $OPENAIR_DIR/cmake_targets/autotests/python_autotest.log
+   - python $OPENAIR_DIR/cmake_targets/autotests/run_exec_lte-softmodem_tests.py -c -5GRepo $git_repo -MachineList "$MACHINELIST" -MachineListGeneric "$MACHINELISTGENERIC"  -5GRepoHeadVersion $git_head -n $NFS_SHARE_DIR -u $OAI_USER -p $OAI_PASS  $OAI_EXTRA_ARGS -g "$OAI_TEST_CASE_GROUP">& $OPENAIR_DIR/cmake_targets/autotests/python_autotest_cleanup.log
+   - python $OPENAIR_DIR/cmake_targets/autotests/run_exec_lte-softmodem_tests.py -r -5GRepo $git_repo -MachineList "$MACHINELIST" -MachineListGeneric "$MACHINELISTGENERIC" -5GRepoHeadVersion $git_head -n $NFS_SHARE_DIR -u $OAI_USER -p $OAI_PASS `echo $OAI_EXTRA_ARGS` -g "$OAI_TEST_CASE_GROUP" --nrun_lte_softmodem $NRUNS_LTE_SOFTMODEM --timeout_cmd $TIMEOUT_CMD >& $OPENAIR_DIR/cmake_targets/autotests/python_autotest.log
    - mv $OPENAIR_DIR/cmake_targets/autotests/python_autotest.log $OPENAIR_DIR/cmake_targets/autotests/log/python_autotest.log
    - mv $OPENAIR_DIR/cmake_targets/autotests/python_autotest_cleanup.log $OPENAIR_DIR/cmake_targets/autotests/log/python_autotest_cleanup.log
    - sshpass -p "$OAI_PASS" rsync -az -e "ssh -o StrictHostKeyChecking=no "  --rsync-path="mkdir -p $NFS_TEST_RESULTS_DIR && rsync" $OPENAIR_DIR/cmake_targets/autotests/log $OAI_USER@localhost:$NFS_TEST_RESULTS_DIR

cmake_targets/CMakeLists.txt

@@ -126,6 +126,7 @@ endmacro(add_list_string_option)
 if (CMAKE_BUILD_TYPE STREQUAL "")
    set(CMAKE_BUILD_TYPE "RelWithDebInfo")
 endif()
+message("CMAKE_BUILD_TYPE is ${CMAKE_BUILD_TYPE}")
 add_list_string_option(CMAKE_BUILD_TYPE "RelWithDebInfo" "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel." Debug Release RelWithDebInfo MinSizeRel)
 
 Message("Architecture is ${CMAKE_SYSTEM_PROCESSOR}")
@@ -922,7 +923,14 @@ add_library(SECU_CN ${SECU_CN_SRC})
 
 # Scheduler
 ################################"
-file(GLOB SCHED_SRC ${OPENAIR1_DIR}/SCHED/*.c)
+set(SCHED_SRC 
+  ${OPENAIR1_DIR}/SCHED/phy_procedures_lte_eNb.c
+  ${OPENAIR1_DIR}/SCHED/phy_procedures_lte_ue.c
+  ${OPENAIR1_DIR}/SCHED/phy_procedures_lte_common.c
+  ${OPENAIR1_DIR}/SCHED/phy_mac_stub.c
+  ${OPENAIR1_DIR}/SCHED/pucch_pc.c
+  ${OPENAIR1_DIR}/SCHED/pusch_pc.c
+)
 add_library(SCHED_LIB ${SCHED_SRC})
 
 # Layer 1
@@ -1624,10 +1632,9 @@ target_link_libraries (lte-softmodem -ldl
   RRC_LIB S1AP_LIB S1AP_ENB GTPV1U SECU_CN SECU_OSA UTIL HASHTABLE SCTP_CLIENT UDP SCHED_LIB PHY LFDS L2 ${MSC_LIB} ${RAL_LIB} ${NAS_UE_LIB} ${ITTI_LIB} ${MIH_LIB} 
   -Wl,--end-group )
 
-
 target_link_libraries (lte-softmodem ${LIBXML2_LIBRARIES})
 target_link_libraries (lte-softmodem pthread m ${CONFIG_LIBRARIES} rt crypt ${CRYPTO_LIBRARIES} ${OPENSSL_LIBRARIES} ${NETTLE_LIBRARIES} sctp ${option_HW_lib} ${option_TP_lib} ${XFORMS_LIBRARIES} ) 
-target_link_libraries (lte-softmodem ${LIBBOOST_LIBRARIES})
+target_link_libraries (lte-softmodem ${LIBBOOST_LIBRARIES} -lboost_system) #Added manually as it is not found for some reason for USRP
 target_link_libraries (lte-softmodem ${LIB_LMS_LIBRARIES})
 target_link_libraries (lte-softmodem ${T_LIB})
 
@@ -1662,7 +1669,7 @@ target_link_libraries (lte-softmodem-nos1
 
 target_link_libraries (lte-softmodem-nos1 ${LIBXML2_LIBRARIES})
 target_link_libraries (lte-softmodem-nos1 pthread m ${CONFIG_LIBRARIES} rt crypt ${CRYPTO_LIBRARIES} ${OPENSSL_LIBRARIES} ${NETTLE_LIBRARIES}  ${option_HW_lib}  ${option_TP_lib} ${XFORMS_LIBRARIES} )
-target_link_libraries (lte-softmodem-nos1 ${LIBBOOST_LIBRARIES})
+target_link_libraries (lte-softmodem-nos1 ${LIBBOOST_LIBRARIES} -lboost_system) #Added manually as it is not found for some reason for USRP
 target_link_libraries (lte-softmodem-nos1  ${LIB_LMS_LIBRARIES})
 target_link_libraries (lte-softmodem-nos1 ${T_LIB})
 
@@ -1685,7 +1692,7 @@ target_link_libraries(rrh_gw
   UTIL LFDS  
   -Wl,--end-group )
 target_link_libraries (rrh_gw rt pthread m )
-target_link_libraries (rrh_gw  ${option_HW_lib} ${option_TP_lib} ${LIBBOOST_LIBRARIES} )
+target_link_libraries (rrh_gw  ${option_HW_lib} ${option_TP_lib} ${LIBBOOST_LIBRARIES} -lboost_system ) #Added manually as it is not found for some reason for USRP
 target_link_libraries (rrh_gw ${LIB_LMS_LIBRARIES})
 target_link_libraries (rrh_gw ${T_LIB})
 

cmake_targets/autotests/README.txt

@@ -16,17 +16,22 @@ Obj.#   Case#   Test#	Description
 01      01      20      Build lte-softmodem.USRP.Rel10
 01      01      21      Build lte-softmodem.EXMIMO.Rel10
 01      01      22      Build lte-softmodem.BLADERF.Rel10
-01      01      23      Build lte-softmodem.ETHERNET.Rel10
+01      01      23      Build lte-softmodem.ETHERNET.Rel10 (RCC)
 01      01      24      Build lte-softmodem.LMSSDR.Rel10
 
 01      01      30      Build (dlsim.Rel10 + ulsim.Rel10 + pucchsim.Rel10 + prachsim.Rel10 + pdcchsim.Rel10 + pbchsim.Rel10 + mbmssim.Rel10
                         secu_knas_encrypt_eia1.Rel10 secu_kenb.Rel10 aes128_ctr_encrypt.Rel10 aes128_ctr_decrypt.Rel10 secu_knas_encrypt_eea2.Rel10
                         secu_knas.Rel10 secu_knas_encrypt_eea1.Rel10 kdf.Rel10 aes128_cmac_encrypt.Rel10 secu_knas_encrypt_eia2.Rel10)
 
-01      01      40      Build RRH Gateway for USRP (Rel 10)
-01      01      41      Build RRH Gateway for EXMIMO  (Rel 10)
-01      01      42      Build RRH Gateway for BLADERF  (Rel 10)
-01      01      43      Build RRH Gateway for LMSSDR (Rel 10)
+01      01      40      Build RRH Gateway (time domain) for USRP (Rel 10)
+01      01      41      Build RRH Gateway (time domain) for EXMIMO  (Rel 10)
+01      01      42      Build RRH Gateway (time domain) for BLADERF  (Rel 10)
+01      01      43      Build RRH Gateway (time domain) for LMSSDR (Rel 10)
+
+01      01      50      Build RRU (NGFI) for USRP (Rel 10) w/ ETHERNET transport
+01      01      51      Build RRU (NGFI) for EXMIMO  (Rel 10) w/ ETHERNET transport
+01      01      52      Build RRU (NGFI) for BLADERF  (Rel 10) w/ ETHERNET transport
+01      01      53      Build RRU (NGFI) for LMSSDR (Rel 10) w/ ETHERNET transport
 
 
 01      02              Run OAISIM-NOS1 Rel10 (TDD + 5MHz/10MHz/20MHz + TM 1,2), and check the operation
@@ -249,4 +254,4 @@ Obj.#   Case#   Test#	Description
 #TODO: Add test cases for 10,20 MHz
 #TODO: Add test cases for TDD/FDD 
 #TODO: Test and compile seperately for Rel8/Rel10
-#TODO: Case03.py eMBMS test case
\ No newline at end of file
+#TODO: Case03.py eMBMS test case

cmake_targets/autotests/run_exec_lte-softmodem_tests.py

@@ -313,7 +313,7 @@ def SSHSessionWrapper(machine, username, key_file, password, logdir_remote, logd
 # \param CleanUpAluLteBox program to terminate AlU Bell Labs LTE Box
 # \param ExmimoRfStop String to stop EXMIMO card (specified in test_case_list.xml)
 def cleanOldPrograms(oai, programList, CleanUpAluLteBox, ExmimoRfStop, logdir, logdirOAI5GRepo):
-  cmd = 'killall -9 -q -r ' + programList
+  cmd = 'sudo -E killall -9 -q -r ' + programList
   result = oai.send(cmd, True)
   print "Killing old programs..." + result
   programArray = programList.split()
@@ -1020,6 +1020,13 @@ def handle_testcaseclass_softmodem (testcase, oldprogramList, logdirOAI5GRepo ,
       run_result=0
       run_result_string = ' RUN_'+str(run) + ' = FAIL(Thread_Busy)'
 
+    #If there is Segmentation fault, we mark the test case as failure as most likely eNB crashed
+    cmd = "grep -ilr \"segmentation fault\" " + logdir_local_testcase + " | cat "
+    cmd_out = subprocess.check_output ([cmd], shell=True)
+    if len(cmd_out) !=0:
+      run_result=0
+      run_result_string = ' RUN_'+str(run) + ' = FAIL(SEGFAULT)'
+
     run_result_string = run_result_string + tput_run_string
 
     test_result=test_result & run_result
@@ -1261,7 +1268,8 @@ except KeyError:
    sys.exit(1)
 
 print "Killing zombie ssh sessions from earlier sessions..."
-cmd='ps aux |grep \"/usr/bin/ssh -q -l guptar\"|tr -s \" \" :|cut -f 2 -d :|xargs kill -9 '
+cmd='ps aux |grep \"/usr/bin/ssh -q -l guptar\"| awk \'{print $2}\' | sudo xargs kill -9  '
+
 os.system(cmd)
 
 if flag_start_testcase == False:
@@ -1426,13 +1434,25 @@ for oai in oai_list:
      
       setuplogfile  = logdir  + '/setup_log_' + MachineList[index] + '_.txt'
       setup_script  = locallogdir  + '/setup_script_' + MachineList[index] +  '_.txt'
+
+      #Sometimes git fails so the script below retries in that case
+      localfile = os.path.expandvars('$OPENAIR_DIR/cmake_targets/autotests/tools/git-retry.sh')
+      remotefile = logdir + '/git-retry.sh'
+      paramList=[]
+      port=22
+      paramList.append ( {"operation":'put', "localfile":localfile, "remotefile":remotefile} )
+      sftp_log = os.path.expandvars(locallogdir + '/sftp_module.log')
+      sftp_module (user, pw, MachineList[index], port, paramList, sftp_log)
+
+
       cmd = ' ( \n'
       #cmd = cmd  + 'rm -fR ' +  logdir + '\n'
       #cmd = cmd + 'mkdir -p ' + logdir + '\n'
       cmd = cmd + 'cd '+ logdir   + '\n'
-      cmd = cmd + 'git config --global http.sslVerify false \n' 
-      cmd = cmd + 'git clone  '+ GitOAI5GRepo  +' \n'
-      cmd = cmd + 'git clone '+ GitOpenaircnRepo + ' \n'
+      cmd = cmd + 'sudo apt-get install -y git \n'
+      cmd = cmd + 'chmod 700 ' + logdir + '/git-retry.sh \n' 
+      cmd = cmd + logdir + '/git-retry.sh clone  '+ GitOAI5GRepo  +' \n'
+      cmd = cmd + logdir + '/git-retry.sh clone '+ GitOpenaircnRepo + ' \n'
       cmd = cmd +  'cd ' + logdirOAI5GRepo  + '\n'
       cmd = cmd + 'git checkout ' + GitOAI5GRepoBranch   + '\n'                      
       #cmd = cmd + 'git checkout ' + GitOAI5GHeadVersion   + '\n'

cmake_targets/autotests/tools/git-retry.sh

+#!/bin/bash
+
+#Simple script to retry git clone in case of failure
+
+REALGIT=/usr/bin/git
+
+RETRIES=10
+DELAY=10
+COUNT=1
+while [ $COUNT -lt $RETRIES ]; do
+  $REALGIT $* >> git-clone-`hostname`-log.txt 2>&1
+  if [ $? -eq 0 ]; then
+    RETRIES=0
+    break
+  fi
+  let COUNT=$COUNT+1
+  sleep $DELAY
+done

cmake_targets/autotests/tools/remove_old_programs.bash

 #!/bin/bash
 
 #$1 programs to be killed and checked
-var=`ps -A |grep -E -i $1`
+echo "removing old programs..."
+echo "args = $1"
+echo "script name = $0"
+filename=$(basename "$0")
+echo "filename = $filename"
+echo "programs to be killed...$1"
+
+echo "bash PID = $$" 
+pid="$$"
+echo "pid = $pid"
+
+echo "Killing programs now..."
+
+ps -aux |grep -E -i -w "$1"
+
+var=`ps -aux |grep -E -i -w "$1" |awk '{print $2}'| tr '\n' ' ' | sed  "s/$pid/ /"`
+echo "Killing processes...$var"
+#var=`ps -aux |grep -E -i '$1' |awk '{print $2}'| tr '\n' ' ' | sed  "s/$pid/ /"`
+#echo $var 
+if [ -n "$var" ] ; then  sudo  kill -9 $var ; fi
+
+#| sudo xargs kill -9 
+
+echo "checking for old programs..."
+var=`ps -aux |grep -E -i -w '$1' |grep -Ev 'grep' | grep -Ev '$filename'`
+
 echo $var
 if [ -n "$var" ]; then echo 'Match found'; else echo 'Match not found' ;fi 
 

cmake_targets/autotests/tools/run_gdb

+#!/bin/bash
+
+#arg0 -> Name of executable
+#args[1...N] -> arguments to be passed to executable
+if [ -z "$OPENAIR_DIR" ]
+then
+    echo "OPENAIR_DIR environment not set. Exiting.."
+    exit
+fi 
+
+source $OPENAIR_DIR/cmake_targets/tools/build_helper
+
+args=($*)
+exec_name=${args[0]}
+exe_args=(${args[@]:1})
+gdb_file=$OPENAIR_DIR/targets/bin/gdb_file
+gdb_log=$OPENAIR_DIR/targets/bin/gdb_log.bt
+
+echo "args = ${args[@]}"
+echo "exec_name = $exec_name"
+echo "exe_args = ${exe_args[@]}"
+echo "gdb log file = $gdb_log"
+
+$SUDO rm -fr $gdb_file $gdb_log
+$SUDO touch $gdb_file $gdb_log 
+$SUDO chmod 777  $gdb_file $gdb_log
+
+$SUDO echo "file $exec_name"                  >> $gdb_file
+$SUDO echo "set args ${exe_args[@]}"          >> $gdb_file
+$SUDO echo "run"                              >> $gdb_file
+$SUDO echo "set logging overwrite on"         >> $gdb_file
+$SUDO echo "set logging file $gdb_log"        >> $gdb_file
+$SUDO echo "set logging on"                   >> $gdb_file
+$SUDO echo "set pagination off"               >> $gdb_file
+$SUDO echo "handle SIG33 pass nostop noprint" >> $gdb_file
+$SUDO echo "echo backtrace:\n"                >> $gdb_file
+$SUDO echo "backtrace full"                   >> $gdb_file
+$SUDO echo "echo \n\nVariables:\n"            >> $gdb_file
+$SUDO echo "info variables"                   >> $gdb_file
+$SUDO echo "echo \n\nlocals:\n"               >> $gdb_file
+$SUDO echo "info locals"                      >> $gdb_file
+$SUDO echo "echo \n\nregisters:\n"            >> $gdb_file
+$SUDO echo "info registers"                   >> $gdb_file
+$SUDO echo "echo \n\ncurrent instructions:\n" >> $gdb_file 
+$SUDO echo "x/16i \$pc"                       >> $gdb_file
+$SUDO echo "echo \n\nthreads backtrace:\n"    >> $gdb_file
+$SUDO echo "thread apply all backtrace"       >> $gdb_file
+$SUDO echo "set logging off"                  >> $gdb_file
+$SUDO echo "quit"                             >> $gdb_file
+
+echo "Contents of gdb_file...start"
+$SUDO cat $gdb_file
+echo "Contents of gdb_file...finish"
+
+$SUDO gdb -n -x $gdb_file 2>&1
+

cmake_targets/build_oai

@@ -61,6 +61,7 @@ TEST_CASE_GROUP=""
 BUILD_DOXYGEN=0
 T_TRACER="False"
 DISABLE_HARDWARE_DEPENDENCY="False"
+CMAKE_BUILD_TYPE=""
 trap handle_ctrl_c INT
 
 function print_help() {
@@ -82,7 +83,7 @@ Options
 --install-optional-packages
    Install useful but not mandatory packages such as valgrind
 -g | --run-with-gdb
-   Add debugging symbols to compilation directives
+   Add debugging symbols to compilation directives. It also disables any compiler optimization.
 -h | --help
    Print this help
 --eNB
@@ -170,7 +171,8 @@ function main() {
             shift;;
        -g | --run-with-gdb)
             GDB=1
-            echo_info "Will Compile with gdb symbols"
+            CMAKE_BUILD_TYPE="Debug"
+            echo_info "Will Compile with gdb symbols and disable compiler optimization"
             shift;;
        --eNB)
             eNB=1
@@ -443,6 +445,7 @@ function main() {
     if [ "$NOS1" = "1" ] ; then
 	cat  $DIR/$lte_build_dir/CMakeLists.template >>  $cmake_file
     fi
+    echo "set ( CMAKE_BUILD_TYPE $CMAKE_BUILD_TYPE )" >> $cmake_file
     echo "set ( CFLAGS_PROCESSOR_USER \"$CFLAGS_PROCESSOR_USER\" )" >>  $cmake_file
     echo "set ( XFORMS $XFORMS )"                  >>  $cmake_file
     echo "set ( RRC_ASN1_VERSION \"${REL}\")"      >>  $cmake_file
@@ -568,6 +571,8 @@ function main() {
     cp $OPENAIR_DIR/cmake_targets/tools/init_exmimo2 $dbin
   fi
 
+  # oaisim compilation
+  ###############
   if [ "$oaisim" = "1" ] ; then
     dconf=$OPENAIR_DIR/targets/bin
       if [ "$NOS1" =  "1" ] ; then
@@ -581,6 +586,7 @@ function main() {
     echo_info "Compiling $oaisim_exec ($oaisim_build_dir)"
     cmake_file=$DIR/$oaisim_build_dir/CMakeLists.txt
     cp $DIR/$oaisim_build_dir/CMakeLists.template $cmake_file
+    echo "set ( CMAKE_BUILD_TYPE $CMAKE_BUILD_TYPE )" >> $cmake_file
     echo "set ( CFLAGS_PROCESSOR_USER \"$CFLAGS_PROCESSOR_USER\" )" >>  $cmake_file
     echo "set ( XFORMS $XFORMS )" >>  $cmake_file
     echo "set ( PRINT_STATS $PRINT_STATS )" >>  $cmake_file
@@ -649,9 +655,10 @@ function main() {
 
     cmake_file=$DIR/oaisim_mme_build_oai/CMakeLists.txt
     cp $DIR/oaisim_mme_build_oai/CMakeLists.template $cmake_file
-    echo "set(XFORMS $XFORMS )" >>  $cmake_file
-    echo "set(RRC_ASN1_VERSION \"${REL}\")" >>  $cmake_file
-    echo "set(ENABLE_VCD_FIFO $VCD_TIMING )" >>  $cmake_file
+    echo "set ( CMAKE_BUILD_TYPE $CMAKE_BUILD_TYPE )" >> $cmake_file
+    echo "set ( XFORMS $XFORMS )" >>  $cmake_file
+    echo "set ( RRC_ASN1_VERSION \"${REL}\")" >>  $cmake_file
+    echo "set ( ENABLE_VCD_FIFO $VCD_TIMING )" >>  $cmake_file
     echo "set ( T_TRACER $T_TRACER )"        >>  $cmake_file
     echo 'include(${CMAKE_CURRENT_SOURCE_DIR}/../CMakeLists.txt)' >> $cmake_file
     #[ "$CLEAN" = "1" ] && rm -rf $DIR/oaisim_mme_build_oai/build
@@ -676,13 +683,14 @@ function main() {
      mkdir -p $DIR/$rrh_build_dir/build
      cmake_file=$DIR/$rrh_build_dir/CMakeLists.txt
      echo "cmake_minimum_required(VERSION 2.8)"   >   $cmake_file
-     echo "set(ENABLE_VCD_FIFO $VCD_TIMING )"     >>  $cmake_file
-     echo "set(ENABLE_ITTI False )"     		 >>  $cmake_file
-     echo "set(RF_BOARD \"${HW}\")"               >>  $cmake_file
-     echo "set(TRANSP_PRO \"${TP}\")"             >>  $cmake_file
-     echo 'set(PACKAGE_NAME "\"rrh_gw\"")'        >>  $cmake_file
-     echo "set (DEADLINE_SCHEDULER \"${DEADLINE_SCHEDULER_FLAG_USER}\" )"    >>$cmake_file
-     echo "set (CPU_AFFINITY \"${CPU_AFFINITY_FLAG_USER}\" )"    >>$cmake_file
+     echo "set ( CMAKE_BUILD_TYPE $CMAKE_BUILD_TYPE )" >> $cmake_file
+     echo "set ( ENABLE_VCD_FIFO $VCD_TIMING )"     >>  $cmake_file
+     echo "set ( ENABLE_ITTI False )"     		 >>  $cmake_file
+     echo "set ( RF_BOARD \"${HW}\")"               >>  $cmake_file
+     echo "set ( TRANSP_PRO \"${TP}\")"             >>  $cmake_file
+     echo 'set ( PACKAGE_NAME "\"rrh_gw\"")'        >>  $cmake_file
+     echo "set ( DEADLINE_SCHEDULER \"${DEADLINE_SCHEDULER_FLAG_USER}\" )"    >>$cmake_file
+     echo "set ( CPU_AFFINITY \"${CPU_AFFINITY_FLAG_USER}\" )"    >>$cmake_file
      echo "set ( T_TRACER $T_TRACER )"            >>  $cmake_file
      echo 'include(${CMAKE_CURRENT_SOURCE_DIR}/../CMakeLists.txt)' >> $cmake_file    
      cd $DIR/$rrh_build_dir/build

cmake_targets/tools/build_helper

@@ -369,7 +369,6 @@ check_install_oai_software() {
 	libxml2 \
 	libxml2-dev  \
 	libxslt1-dev \
-	linux-headers-`uname -r` \
 	mscgen  \
 	octave \
 	octave-signal \
@@ -385,6 +384,8 @@ check_install_oai_software() {
 
     $SUDO update-alternatives --set liblapack.so /usr/lib/atlas-base/atlas/liblapack.so
     
+    #Sometimes linux headers are not available in apt-get if kernel is custom or new
+    $SUDO apt-get install linux-headers-`uname -r` || true
     # First we remove gnutls/nettle installation and then install from sources
     $SUDO apt-get remove -y libgnutls-dev nettle-dev nettle-bin
     install_nettle_from_source
@@ -397,13 +398,9 @@ install_asn1c_from_source(){
     asn1_install_log=$OPENAIR_DIR/cmake_targets/log/asn1c_install_log.txt
     echo_info "\nInstalling ASN1. The log file for ASN1 installation is here: $asn1_install_log "
     (
-    $SUDO rm -rf /tmp/asn1c-r1516
-    svn co https://github.com/vlm/asn1c/trunk  /tmp/asn1c-r1516 -r 1516
-    cd /tmp/asn1c-r1516 
-    patch -p0 < $OPENAIR_DIR/openair3/S1AP/MESSAGES/ASN1/asn1cpatch.p0 
-    patch -p0 < $OPENAIR_DIR/openair3/S1AP/MESSAGES/ASN1/asn1cpatch_2.p0 
-    patch -p0 < $OPENAIR_DIR/openair2/RRC/LITE/MESSAGES/asn1c/asn1cpatch.p0 
-    patch -p0 < $OPENAIR_DIR/openair3/S1AP/MESSAGES/ASN1/asn1cpatch_3.p0 
+    $SUDO rm -rf /tmp/asn1c
+    git clone https://gitlab.eurecom.fr/oai/asn1c.git /tmp/asn1c
+    cd /tmp/asn1c
     ./configure
     make -j`nproc`
     $SUDO make install

cmake_targets/tools/run_enb_ue_virt_s1

@@ -252,7 +252,7 @@ function main()
   # Check table 200 lte in /etc/iproute2/rt_tables
   fgrep lte /etc/iproute2/rt_tables  > /dev/null
   if [ $? -ne 0 ]; then
-    bash -c echo "200 lte " >> /etc/iproute2/rt_tables
+    echo "200 lte " >> /etc/iproute2/rt_tables
   fi
   ip rule add fwmark 1 table lte 
   ifconfig oip1 up

common/utils/T/.gitignore

@@ -9,4 +9,5 @@ tracer/record
 tracer/replay
 tracer/textlog
 tracer/vcd
+tracer/macpdu2wireshark
 tracee/tracee

common/utils/T/tracer/Makefile

@@ -5,7 +5,7 @@ CFLAGS=-Wall -g -pthread -DT_TRACER -I.
 
 LIBS=-lX11 -lm -lpng -lXft
 
-all: record replay extract_config textlog enb vcd
+all: record replay extract_config textlog enb vcd macpdu2wireshark
 
 record: utils.o record.o database.o config.o
 	$(CC) $(CFLAGS) -o record $^ $(LIBS)
@@ -31,6 +31,10 @@ vcd: utils.o vcd.o database.o event.o handler.o config.o \
          filter/filter.a
 	$(CC) $(CFLAGS) -o vcd $^ $(LIBS)
 
+macpdu2wireshark: macpdu2wireshark.o database.o utils.o handler.o event.o \
+                  config.o
+	$(CC) $(CFLAGS) -o $@ $^ $(LIBS)
+
 .PHONY: all gui/gui.a view/view.a logger/logger.a filter/filter.a
 
 gui/gui.a:
@@ -50,7 +54,7 @@ filter/filter.a:
 
 clean:
 	rm -f *.o core tracer_remote textlog enb vcd record replay
-	rm -f extract_config
+	rm -f extract_config macpdu2wireshark
 	cd gui && make clean
 	cd view && make clean
 	cd logger && make clean

common/utils/T/tracer/macpdu2wireshark.c

+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include "database.h"
+#include "event.h"
+#include "handler.h"
+#include "config.h"
+#include "utils.h"
+#include "packet-mac-lte.h"
+
+#define DEFAULT_IP   "127.0.0.1"
+#define DEFAULT_PORT 9999
+
+typedef struct {
+  int socket;
+  struct sockaddr_in to;
+  OBUF buf;
+  /* ul */
+  int ul_rnti;
+  int ul_frame;
+  int ul_subframe;
+  int ul_data;
+  /* dl */
+  int dl_rnti;
+  int dl_frame;
+  int dl_subframe;
+  int dl_data;
+} ev_data;
+
+void ul(void *_d, event e)
+{
+  ev_data *d = _d;
+  ssize_t ret;
+  int fsf;
+  int i;
+
+  d->buf.osize = 0;
+
+  PUTS(&d->buf, MAC_LTE_START_STRING);
+  PUTC(&d->buf, FDD_RADIO);
+  PUTC(&d->buf, DIRECTION_UPLINK);
+  PUTC(&d->buf, C_RNTI);
+
+  PUTC(&d->buf, MAC_LTE_RNTI_TAG);
+  PUTC(&d->buf, (e.e[d->ul_rnti].i>>8) & 255);
+  PUTC(&d->buf, e.e[d->ul_rnti].i & 255);
+
+  /* for newer version of wireshark? */
+  fsf = (e.e[d->ul_frame].i << 4) + e.e[d->ul_subframe].i;
+  /* for older version? */
+  fsf = e.e[d->ul_subframe].i;
+  PUTC(&d->buf, MAC_LTE_FRAME_SUBFRAME_TAG);
+  PUTC(&d->buf, (fsf>>8) & 255);
+  PUTC(&d->buf, fsf & 255);
+
+  PUTC(&d->buf, MAC_LTE_PAYLOAD_TAG);
+  for (i = 0; i < e.e[d->ul_data].bsize; i++)
+    PUTC(&d->buf, ((char*)e.e[d->ul_data].b)[i]);
+
+  ret = sendto(d->socket, d->buf.obuf, d->buf.osize, 0,
+      (struct sockaddr *)&d->to, sizeof(struct sockaddr_in));
+  if (ret != d->buf.osize) abort();
+}
+
+void dl(void *_d, event e)
+{
+  ev_data *d = _d;
+  ssize_t ret;
+  int fsf;
+  int i;
+
+  d->buf.osize = 0;
+
+  PUTS(&d->buf, MAC_LTE_START_STRING);
+  PUTC(&d->buf, FDD_RADIO);
+  PUTC(&d->buf, DIRECTION_DOWNLINK);
+  PUTC(&d->buf, C_RNTI);
+
+  PUTC(&d->buf, MAC_LTE_RNTI_TAG);
+  PUTC(&d->buf, (e.e[d->dl_rnti].i>>8) & 255);
+  PUTC(&d->buf, e.e[d->dl_rnti].i & 255);
+
+  /* for newer version of wireshark? */
+  fsf = (e.e[d->dl_frame].i << 4) + e.e[d->dl_subframe].i;
+  /* for older version? */
+  fsf = e.e[d->dl_subframe].i;
+  PUTC(&d->buf, MAC_LTE_FRAME_SUBFRAME_TAG);
+  PUTC(&d->buf, (fsf>>8) & 255);
+  PUTC(&d->buf, fsf & 255);
+
+  PUTC(&d->buf, MAC_LTE_PAYLOAD_TAG);
+  for (i = 0; i < e.e[d->dl_data].bsize; i++)
+    PUTC(&d->buf, ((char*)e.e[d->dl_data].b)[i]);
+
+  ret = sendto(d->socket, d->buf.obuf, d->buf.osize, 0,
+      (struct sockaddr *)&d->to, sizeof(struct sockaddr_in));
+  if (ret != d->buf.osize) abort();
+}
+
+void setup_data(ev_data *d, void *database, int ul_id, int dl_id)
+{
+  database_event_format f;
+  int i;
+
+  d->ul_rnti     = -1;
+  d->ul_frame    = -1;
+  d->ul_subframe = -1;
+  d->ul_data     = -1;
+
+  d->dl_rnti     = -1;
+  d->dl_frame    = -1;
+  d->dl_subframe = -1;
+  d->dl_data     = -1;
+
+#define G(var_name, var_type, var) \
+  if (!strcmp(f.name[i], var_name)) { \
+    if (strcmp(f.type[i], var_type)) goto error; \
+    var = i; \
+    continue; \
+  }
+
+  /* ul: rnti, frame, subframe, data */
+  f = get_format(database, ul_id);
+  for (i = 0; i < f.count; i++) {
+    G("rnti",     "int",    d->ul_rnti);
+    G("frame",    "int",    d->ul_frame);
+    G("subframe", "int",    d->ul_subframe);
+    G("data",     "buffer", d->ul_data);
+  }
+  if (d->ul_rnti == -1 || d->ul_frame == -1 || d->ul_subframe == -1 ||
+      d->ul_data == -1) goto error;
+
+  /* dl: rnti, frame, subframe, data */
+  f = get_format(database, dl_id);
+  for (i = 0; i < f.count; i++) {
+    G("rnti",     "int",    d->dl_rnti);
+    G("frame",    "int",    d->dl_frame);
+    G("subframe", "int",    d->dl_subframe);
+    G("data",     "buffer", d->dl_data);
+  }
+  if (d->dl_rnti == -1 || d->dl_frame == -1 || d->dl_subframe == -1 ||
+      d->dl_data == -1) goto error;
+
+#undef G
+
+  return;
+
+error:
+  printf("bad T_messages.txt\n");
+  abort();
+}
+
+void *receiver(void *_d)
+{
+  ev_data *d = _d;
+  int s;
+  char buf[100000];
+
+  s = socket(AF_INET, SOCK_DGRAM, 0);
+  if (s == -1) { perror("socket"); abort(); }
+
+  if (bind(s, (struct sockaddr *)&d->to, sizeof(struct sockaddr_in)) == -1)
+    { perror("bind"); abort(); }
+
+  while (1) {
+    if (recv(s, buf, 100000, 0) <= 0) abort();
+  }
+
+  return 0;
+}
+
+void usage(void)
+{
+  printf(
+"options:\n"
+"    -d <database file>        this option is mandatory\n"
+"    -in <dump file>           read events from this dump file\n"
+"    -ip <IP address>          send packets to this IP address (default %s)\n"
+"    -p <port>                 send packets to this port (default %d)\n",
+  DEFAULT_IP,
+  DEFAULT_PORT
+  );
+  exit(1);
+}
+
+int main(int n, char **v)
+{
+  char *database_filename = NULL;
+  char *input_filename = NULL;
+  void *database;
+  event_handler *h;
+  int in;
+  int i;
+  int ul_id, dl_id;
+  ev_data d;
+  char *ip = DEFAULT_IP;
+  int port = DEFAULT_PORT;
+
+  memset(&d, 0, sizeof(ev_data));
+
+  for (i = 1; i < n; i++) {
+    if (!strcmp(v[i], "-h") || !strcmp(v[i], "--help")) usage();
+    if (!strcmp(v[i], "-d"))
+      { if (i > n-2) usage(); database_filename = v[++i]; continue; }
+    if (!strcmp(v[i], "-in"))
+      { if (i > n-2) usage(); input_filename = v[++i]; continue; }
+    if (!strcmp(v[i], "-ip")) { if (i > n-2) usage(); ip = v[++i]; continue; }
+    if (!strcmp(v[i], "-p")) {if(i>n-2)usage(); port=atoi(v[++i]); continue; }
+    usage();
+  }
+
+  if (database_filename == NULL) {
+    printf("ERROR: provide a database file (-d)\n");
+    exit(1);
+  }
+
+  if (input_filename == NULL) {
+    printf("ERROR: provide an input file (-i)\n");
+    exit(1);
+  }
+
+  in = open(input_filename, O_RDONLY);
+  if (in == -1) { perror(input_filename); return 1; }
+
+  database = parse_database(database_filename);
+  load_config_file(database_filename);
+
+  h = new_handler(database);
+
+  ul_id = event_id_from_name(database, "ENB_MAC_UE_UL_PDU_WITH_DATA");
+  dl_id = event_id_from_name(database, "ENB_MAC_UE_DL_PDU_WITH_DATA");
+  setup_data(&d, database, ul_id, dl_id);
+
+  register_handler_function(h, ul_id, ul, &d);
+  register_handler_function(h, dl_id, dl, &d);
+
+  d.socket = socket(AF_INET, SOCK_DGRAM, 0);
+  if (d.socket == -1) { perror("socket"); exit(1); }
+
+  d.to.sin_family = AF_INET;
+  d.to.sin_port = htons(port);
+  d.to.sin_addr.s_addr = inet_addr(ip);
+
+  new_thread(receiver, &d);
+
+  /* read messages */
+  while (1) {
+    char v[T_BUFFER_MAX];
+    event e;
+    e = get_event(in, v, database);
+    if (e.type == -1) break;
+    if (!(e.type == ul_id || e.type == dl_id)) continue;
+    handle_event(h, e);
+  }
+
+  return 0;
+}

openair2/LAYER2/MAC/eNB_scheduler_RA.c

@@ -68,6 +68,7 @@
 
 #include "SIMULATION/TOOLS/defs.h" // for taus
 
+#include "T.h"
 
 void schedule_RA(module_id_t module_idP,frame_t frameP, sub_frame_t subframeP,unsigned char Msg3_subframe)
 {
@@ -644,6 +645,9 @@ void schedule_RA(module_id_t module_idP,frame_t frameP, sub_frame_t subframeP,un
 		     &eNB->common_channels[CC_id].CCCH_pdu.payload[0],
 		     rrc_sdu_length);
 	      
+              T(T_ENB_MAC_UE_DL_PDU_WITH_DATA, T_INT(module_idP), T_INT(CC_id), T_INT(RA_template->rnti), T_INT(frameP), T_INT(subframeP),
+                T_INT(0 /*harq_pid always 0?*/), T_BUFFER(&eNB->UE_list.DLSCH_pdu[CC_id][0][UE_id].payload[0], TBsize));
+
 	      if (opt_enabled==1) {
 		trace_pdu(1, (uint8_t *)eNB->UE_list.DLSCH_pdu[CC_id][0][(unsigned char)UE_id].payload[0],
 			  rrc_sdu_length, UE_id, 3, UE_RNTI(module_idP, UE_id),

openair2/RRC/LITE/MESSAGES/asn1c/asn1cpatch.p0

-Index: skeletons/per_opentype.c
-===================================================================
---- skeletons/per_opentype.c	(revision 1516)
-+++ skeletons/per_opentype.c	(working copy)
-@@ -277,7 +306,7 @@
- 	(void)constraints;
- 	(void)sptr;
- 
--	while(per_get_few_bits(pd, 24) >= 0);
-+	while(per_get_few_bits(pd, 1 /*24*/) >= 0);
- 
- 	rv.code = RC_OK;
- 	rv.consumed = pd->moved;

openair2/RRC/LITE/rrc_eNB_S1AP.c

@@ -60,6 +60,8 @@
 #endif
 #include "msc.h"
 
+#include "UERadioAccessCapabilityInformation.h"
+
 #include "gtpv1u_eNB_task.h"
 #include "RRC/LITE/rrc_eNB_GTPV1U.h"
 
@@ -584,29 +586,42 @@ void rrc_eNB_send_S1AP_UE_CAPABILITIES_IND(
 //------------------------------------------------------------------------------
 {
   UECapabilityInformation_t *ueCapabilityInformation = &ul_dcch_msg->message.choice.c1.choice.ueCapabilityInformation;
-
-  if ((ueCapabilityInformation->criticalExtensions.present == UECapabilityInformation__criticalExtensions_PR_c1)
-      && (ueCapabilityInformation->criticalExtensions.choice.c1.present
-          == UECapabilityInformation__criticalExtensions__c1_PR_ueCapabilityInformation_r8)
-      && (ueCapabilityInformation->criticalExtensions.choice.c1.choice.ueCapabilityInformation_r8.ue_CapabilityRAT_ContainerList.list.count > 0)) {
-    UE_CapabilityRAT_ContainerList_t* ue_CapabilityRAT_ContainerList =
-      &ueCapabilityInformation->criticalExtensions.choice.c1.choice.ueCapabilityInformation_r8.ue_CapabilityRAT_ContainerList;
-    MessageDef *msg_p;
-
-    msg_p = itti_alloc_new_message (TASK_RRC_ENB, S1AP_UE_CAPABILITIES_IND);
-    S1AP_UE_CAPABILITIES_IND (msg_p).eNB_ue_s1ap_id = ue_context_pP->ue_context.eNB_ue_s1ap_id;
-    S1AP_UE_CAPABILITIES_IND (msg_p).ue_radio_cap.length = ue_CapabilityRAT_ContainerList->list.array[0]->ueCapabilityRAT_Container.size;
-    S1AP_UE_CAPABILITIES_IND (msg_p).ue_radio_cap.buffer = ue_CapabilityRAT_ContainerList->list.array[0]->ueCapabilityRAT_Container.buf;
-
-    itti_send_msg_to_task (TASK_S1AP, ctxt_pP->instance, msg_p);
-
-    if (ue_CapabilityRAT_ContainerList->list.count > 1) {
-      LOG_W (RRC,"[eNB %d][UE %x] can only handle 1 UE capability RAT item for now (%d)\n",
-             ctxt_pP->module_id,
-             ue_context_pP->ue_context.rnti,
-             ue_CapabilityRAT_ContainerList->list.count);
-    }
+  /* 4096 is arbitrary, should be big enough */
+  unsigned char buf[4096];
+  unsigned char *buf2;
+  UERadioAccessCapabilityInformation_t rac;
+
+  if (ueCapabilityInformation->criticalExtensions.present != UECapabilityInformation__criticalExtensions_PR_c1
+      || ueCapabilityInformation->criticalExtensions.choice.c1.present != UECapabilityInformation__criticalExtensions__c1_PR_ueCapabilityInformation_r8) {
+    LOG_E(RRC, "[eNB %d][UE %x] bad UE capabilities\n", ctxt_pP->module_id, ue_context_pP->ue_context.rnti);
+    return;
   }
+
+  asn_enc_rval_t ret = uper_encode_to_buffer(&asn_DEF_UECapabilityInformation, ueCapabilityInformation, buf, 4096);
+  if (ret.encoded == -1) abort();
+
+  memset(&rac, 0, sizeof(UERadioAccessCapabilityInformation_t));
+
+  rac.criticalExtensions.present = UERadioAccessCapabilityInformation__criticalExtensions_PR_c1;
+  rac.criticalExtensions.choice.c1.present = UERadioAccessCapabilityInformation__criticalExtensions__c1_PR_ueRadioAccessCapabilityInformation_r8;
+  rac.criticalExtensions.choice.c1.choice.ueRadioAccessCapabilityInformation_r8.ue_RadioAccessCapabilityInfo.buf = buf;
+  rac.criticalExtensions.choice.c1.choice.ueRadioAccessCapabilityInformation_r8.ue_RadioAccessCapabilityInfo.size = (ret.encoded+7)/8;
+  rac.criticalExtensions.choice.c1.choice.ueRadioAccessCapabilityInformation_r8.nonCriticalExtension = NULL;
+
+  /* 8192 is arbitrary, should be big enough */
+  buf2 = malloc16(8192);
+  if (buf2 == NULL) abort();
+  ret = uper_encode_to_buffer(&asn_DEF_UERadioAccessCapabilityInformation, &rac, buf2, 8192);
+  if (ret.encoded == -1) abort();
+
+  MessageDef *msg_p;
+
+  msg_p = itti_alloc_new_message (TASK_RRC_ENB, S1AP_UE_CAPABILITIES_IND);
+  S1AP_UE_CAPABILITIES_IND (msg_p).eNB_ue_s1ap_id = ue_context_pP->ue_context.eNB_ue_s1ap_id;
+  S1AP_UE_CAPABILITIES_IND (msg_p).ue_radio_cap.length = (ret.encoded+7)/8;
+  S1AP_UE_CAPABILITIES_IND (msg_p).ue_radio_cap.buffer = buf2;
+
+  itti_send_msg_to_task (TASK_S1AP, ctxt_pP->instance, msg_p);
 }
 
 //------------------------------------------------------------------------------

openair3/NAS/UE/API/USIM/usim_api.c

@@ -77,7 +77,8 @@ Description Implements the API used by the NAS layer to read/write
  * Subscriber authentication security key
  */
 #define USIM_API_K_SIZE         16
-#define USIM_API_K_VALUE        "fec86ba6eb707ed08905757b1bb44b8f"
+//#define USIM_API_K_VALUE        "fec86ba6eb707ed08905757b1bb44b8f"
+#define USIM_API_K_VALUE        "8BAF473F2F8FD09487CCCBD7097C6862"
 
 static uint8_t _usim_api_k[USIM_API_K_SIZE];
 

openair3/S1AP/MESSAGES/ASN1/asn1cpatch_2.p0

---- skeletons/OCTET_STRING.c.orig	2015-04-28 10:40:04.036970492 +0200
-+++ skeletons/OCTET_STRING.c	2015-04-28 10:40:09.619970869 +0200
-@@ -159,7 +159,7 @@
- }
- 
- static struct _stack *
--_new_stack() {
-+_new_stack(void) {
- 	return (struct _stack *)CALLOC(1, sizeof(struct _stack));
- }
- 
---- skeletons/converter-sample.c.orig	2015-04-28 10:40:32.164972391 +0200
-+++ skeletons/converter-sample.c	2015-04-28 10:40:37.140972727 +0200
-@@ -353,7 +353,7 @@
- } DynamicBuffer;
- 
- static void
--buffer_dump() {
-+buffer_dump(void) {
- 	uint8_t *p = DynamicBuffer.data + DynamicBuffer.offset;
- 	uint8_t *e = p + DynamicBuffer.length - (DynamicBuffer.unbits ? 1 : 0);
- 	if(!opt_debug) return;

openair3/S1AP/s1ap_eNB_nas_procedures.c

@@ -668,6 +668,8 @@ int s1ap_eNB_ue_capabilities(instance_t instance,
     return -1;
   }
 
+  free(ue_cap_info_ind_p->ue_radio_cap.buffer);
+
   MSC_LOG_TX_MESSAGE(
     MSC_S1AP_ENB,
     MSC_S1AP_MME,

targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp

@@ -45,7 +45,7 @@
 #include <complex>
 #include <fstream>
 #include <cmath>
-
+#include <time.h>
 #include "common_lib.h"
 #ifdef __SSE4_1__
 #  include <smmintrin.h>
@@ -172,7 +172,13 @@ static void trx_usrp_end(openair0_device *device)
 */ 
 static int trx_usrp_write(openair0_device *device, openair0_timestamp timestamp, void **buff, int nsamps, int cc, int flags)
 {
-  int ret;
+   static long long int loop=0;
+   static long time_min=0, time_max=0, time_avg=0;
+   struct timespec tp_start, tp_end;
+   long time_diff;
+   clock_gettime(CLOCK_MONOTONIC_RAW, &tp_start);
+
+  int ret=0, ret_i=0;
   usrp_state_t *s = (usrp_state_t*)device->priv;
 
   s->tx_md.time_spec = uhd::time_spec_t::from_ticks(timestamp, s->sample_rate);
@@ -196,7 +202,21 @@ static int trx_usrp_write(openair0_device *device, openair0_timestamp timestamp,
   if (ret != nsamps) {
     printf("[xmit] tx samples %d != %d\n",ret,nsamps);
   }
-      
+
+  clock_gettime(CLOCK_MONOTONIC_RAW, &tp_end);
+  time_diff = (tp_end.tv_sec - tp_start.tv_sec) *1E09  + (tp_end.tv_nsec - tp_start.tv_nsec);
+  if  (time_min==0 ||loop==1 || time_min > time_diff)
+    time_min=time_diff;
+  if  (time_max==0 ||loop==1 || time_max < time_diff)
+    time_max=time_diff;
+  if (time_avg ==0 ||loop==1)
+    time_avg= time_diff;
+  else
+    time_avg=(time_diff+time_avg) /2.0;
+  
+  if ( loop%10000 ==0)
+     printf("\n usrp_write: min(ns)=%d, max(ns)=%d, avg(ns)=%d", (int)time_min, (int)time_max,(int)time_avg);
+   loop++;
   return ret;
 }
 
@@ -213,6 +233,11 @@ static int trx_usrp_write(openair0_device *device, openair0_timestamp timestamp,
 */
 static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp, void **buff, int nsamps, int cc)
 {
+   static long long int loop=0;
+   static long time_min=0, time_max=0, time_avg=0;
+   struct timespec tp_start, tp_end;
+   long time_diff;
+   clock_gettime(CLOCK_MONOTONIC_RAW, &tp_start);
    usrp_state_t *s = (usrp_state_t*)device->priv;
    int samples_received=0,i,j;
    int nsamps2;  // aligned to upper 32 or 16 byte boundary
@@ -293,7 +318,20 @@ static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp
   s->rx_timestamp = s->rx_md.time_spec.to_ticks(s->sample_rate);
   *ptimestamp = s->rx_timestamp;
 
-  return samples_received;
+   clock_gettime(CLOCK_MONOTONIC_RAW, &tp_end);
+   time_diff = (tp_end.tv_sec - tp_start.tv_sec) *1E09  + (tp_end.tv_nsec - tp_start.tv_nsec);
+   if  (time_min==0 ||loop==1 || time_min > time_diff)
+     time_min=time_diff;
+   if  (time_max==0 || loop==1|| time_max < time_diff)
+     time_max=time_diff;
+   if (time_avg ==0 ||loop==1)
+     time_avg= time_diff;
+   else
+     time_avg=(time_diff+time_avg) /2.0;
+   if ( loop % 10000==0)
+     printf("\n usrp_read: min(ns)=%d, max(ns)=%d, avg(ns)=%d", (int)time_min, (int)time_max,(int)time_avg);
+   loop++;
+   return samples_received;
 }
 
 /*! \brief Get current timestamp of USRP
@@ -500,6 +538,7 @@ extern "C" {
     
     // Initialize USRP device
 
+  device->openair0_cfg = openair0_cfg;
 
   std::string args = "type=b200";
 
@@ -523,6 +562,8 @@ extern "C" {
     // workaround for an api problem, master clock has to be set with the constructor not via set_master_clock_rate
     args += boost::str(boost::format(",master_clock_rate=%f") % usrp_master_clock);
     
+    args += ",num_send_frames=256,num_recv_frames=256, send_frame_size=4096, recv_frame_size=4096";
+    
     uhd::device_addrs_t device_adds = uhd::device::find(args);
 
     if(device_adds.size() == 0)
@@ -554,25 +595,25 @@ extern "C" {
     switch ((int)openair0_cfg[0].sample_rate) {
     case 30720000:
             // from usrp_time_offset
-      openair0_cfg[0].samples_per_packet    = 2048;
+      //openair0_cfg[0].samples_per_packet    = 2048;
       openair0_cfg[0].tx_sample_advance     = 15;
       openair0_cfg[0].tx_bw                 = 20e6;
       openair0_cfg[0].rx_bw                 = 20e6;
       break;
     case 15360000:
-      openair0_cfg[0].samples_per_packet    = 2048;
+      //openair0_cfg[0].samples_per_packet    = 2048;
       openair0_cfg[0].tx_sample_advance     = 45;
       openair0_cfg[0].tx_bw                 = 10e6;
       openair0_cfg[0].rx_bw                 = 10e6;
       break;
     case 7680000:
-      openair0_cfg[0].samples_per_packet    = 1024;
+      //openair0_cfg[0].samples_per_packet    = 2048;
       openair0_cfg[0].tx_sample_advance     = 50;
       openair0_cfg[0].tx_bw                 = 5e6;
       openair0_cfg[0].rx_bw                 = 5e6;
       break;
     case 1920000:
-      openair0_cfg[0].samples_per_packet    = 256;
+      //openair0_cfg[0].samples_per_packet    = 2048;
       openair0_cfg[0].tx_sample_advance     = 50;
       openair0_cfg[0].tx_bw                 = 1.25e6;
       openair0_cfg[0].rx_bw                 = 1.25e6;
@@ -585,7 +626,7 @@ extern "C" {
 
   } else {
     printf("Found USRP B200");
-    args += ",num_recv_frames=256" ; 
+    args += ",num_send_frames=256,num_recv_frames=256, send_frame_size=4096, recv_frame_size=4096" ; 
     s->usrp = uhd::usrp::multi_usrp::make(args);
 
     //  s->usrp->set_rx_subdev_spec(rx_subdev);
@@ -611,30 +652,35 @@ extern "C" {
     switch ((int)openair0_cfg[0].sample_rate) {
     case 30720000:
       s->usrp->set_master_clock_rate(30.72e6);
+      //openair0_cfg[0].samples_per_packet    = 1024;
       openair0_cfg[0].tx_sample_advance     = 115;
       openair0_cfg[0].tx_bw                 = 20e6;
       openair0_cfg[0].rx_bw                 = 20e6;
       break;
     case 23040000:
       s->usrp->set_master_clock_rate(23.04e6); //to be checked
+      //openair0_cfg[0].samples_per_packet    = 1024;
       openair0_cfg[0].tx_sample_advance     = 113;
       openair0_cfg[0].tx_bw                 = 20e6;
       openair0_cfg[0].rx_bw                 = 20e6;
       break;
     case 15360000:
       s->usrp->set_master_clock_rate(30.72e06);
+      //openair0_cfg[0].samples_per_packet    = 1024;
       openair0_cfg[0].tx_sample_advance     = 103; 
       openair0_cfg[0].tx_bw                 = 20e6;
       openair0_cfg[0].rx_bw                 = 20e6;
       break;
     case 7680000:
       s->usrp->set_master_clock_rate(30.72e6);
+      //openair0_cfg[0].samples_per_packet    = 1024;
       openair0_cfg[0].tx_sample_advance     = 80;
       openair0_cfg[0].tx_bw                 = 20e6;
       openair0_cfg[0].rx_bw                 = 20e6;
       break;
     case 1920000:
       s->usrp->set_master_clock_rate(30.72e6);
+      //openair0_cfg[0].samples_per_packet    = 1024;
       openair0_cfg[0].tx_sample_advance     = 40;
       openair0_cfg[0].tx_bw                 = 20e6;
       openair0_cfg[0].rx_bw                 = 20e6;
@@ -758,7 +804,8 @@ extern "C" {
   device->trx_stop_func  = trx_usrp_stop;
   device->trx_set_freq_func = trx_usrp_set_freq;
   device->trx_set_gains_func   = trx_usrp_set_gains;
-  
+  device->openair0_cfg = openair0_cfg;
+
   s->sample_rate = openair0_cfg[0].sample_rate;
   // TODO:
   // init tx_forward_nsamps based usrp_time_offset ex

targets/RT/USER/lte-enb.c

@@ -188,7 +188,7 @@ static inline void thread_top_init(char *thread_name,
 
   if (sched_setattr(0, &attr, flags) < 0 ) {
     perror("[SCHED] eNB tx thread: sched_setattr failed\n");
-    return &eNB_thread_rxtx_status;
+    exit_fun("Error setting deadline scheduler");
   }
 
   LOG_I( HW, "[SCHED] eNB %s deadline thread (TID %ld) started on CPU %d\n", gettid(), thread_name,sched_getcpu() );

targets/RT/USER/lte-softmodem.c

@@ -382,7 +382,8 @@ void help (void) {
   printf("  --ue-txgain set UE TX gain\n");
   printf("  --ue-scan_carrier set UE to scan around carrier\n");
   printf("  --loop-memory get softmodem (UE) to loop through memory instead of acquiring from HW\n");
-  printf("  --mmapped-dma sets flag for improved EXMIMO UE performance\n");   
+  printf("  --mmapped-dma sets flag for improved EXMIMO UE performance\n");  
+  printf("  --single-thread runs lte-softmodem in only one thread\n"); 
   printf("  -C Set the downlink frequency for all component carriers\n");
   printf("  -d Enable soft scope and L1 and L2 stats (Xforms)\n");
   printf("  -F Calibrate the EXMIMO borad, available files: exmimo2_2arxg.lime exmimo2_2brxg.lime \n");