add OXGRF support

oxgrf ok

update build script for oxgrf

del logs

cmake_targets/CMakeLists.txt

@@ -786,7 +786,7 @@ add_library(F1AP ${F1AP_C_FILES} )
 add_list1_option(NB_ANTENNAS_RX "4" "Number of antennas in reception" "1" "2" "4")
 add_list1_option(NB_ANTENNAS_TX "4" "Number of antennas in transmission" "1" "2" "4")
 
-add_list2_option(RF_BOARD "EXMIMO" "RF head type" "None" "OAI_USRP" "OAI_BLADERF" "OAI_LMSSDR" "OAI_SIMU")
+add_list2_option(RF_BOARD "EXMIMO" "RF head type" "None" "OAI_USRP" "OAI_BLADERF" "OAI_LMSSDR" "OAI_SIMU" "OAI_OXGRF")
 
 add_list2_option(TRANSP_PRO "None" "Transport protocol type" "None" "ETHERNET")
 #NOKIA config enhancement
@@ -825,6 +825,13 @@ set(HWLIB_BLADERF_SOURCE
 add_library(oai_bladerfdevif MODULE ${HWLIB_BLADERF_SOURCE} )
 target_link_libraries(oai_bladerfdevif bladeRF)
 
+include_directories("${OPENAIR_TARGETS}/ARCH/OXGRF/USERSPACE/LIB/")
+set(HWLIB_OXGRF_SOURCE
+  ${OPENAIR_TARGETS}/ARCH/OXGRF/USERSPACE/LIB/oxgrf_lib.c
+  )
+add_library(oai_oxgrfdevif MODULE ${HWLIB_OXGRF_SOURCE} )
+target_link_libraries(oai_oxgrfdevif oxgrf_ss)
+
 include_directories("${OPENAIR_TARGETS}/ARCH/LMSSDR/USERSPACE/LIB/")
 
 set(HWLIB_LMSSDR_SOURCE
@@ -3041,7 +3048,7 @@ target_link_libraries (ocp-gnb ${LIBXML2_LIBRARIES} )
 target_link_libraries (ocp-gnb pthread m ${CONFIG_LIB} rt crypt ${CRYPTO_LIBRARIES} ${OPENSSL_LIBRARIES} sctp  ${XFORMS_LIBRARIES} ${PROTOBUF_LIB}  ${CMAKE_DL_LIBS} ${LIBYAML_LIBRARIES} ${ATLAS_LIBRARIES})
 target_link_libraries (ocp-gnb ${LIB_LMS_LIBRARIES})
 target_link_libraries (ocp-gnb ${T_LIB})
-add_dependencies(ocp-gnb ldpc_orig ldpc_optim ldpc_optim8seg ldpc params_libconfig rfsimulator oai_usrpdevif rfsimulator nrscope)
+add_dependencies(ocp-gnb ldpc_orig ldpc_optim ldpc_optim8seg ldpc params_libconfig rfsimulator oai_usrpdevif oai_oxgrfdevif rfsimulator nrscope)
 
 
 # nr-uesoftmodem is  UE implementation
@@ -3386,8 +3393,8 @@ if (${T_TRACER})
         syncsim nr_ulsim nr_dlsim nr_dlschsim nr_pbchsim nr_pucchsim
         nr_ulschsim ldpctest polartest smallblocktest cu_test du_test
         #all "add_library" definitions
-        ITTI RRC_LIB NR_RRC_LIB S1AP_LIB S1AP_ENB X2AP_LIB X2AP_ENB M2AP_LIB M2AP_ENB M3AP_LIB M3AP_ENB F1AP_LIB F1AP
-        params_libconfig oai_exmimodevif oai_usrpdevif oai_bladerfdevif oai_lmssdrdevif oai_iqplayer
+        ITTI RRC_LIB NR_RRC_LIB S1AP_LIB S1AP_ENB X2AP_LIB X2AP_ENB M2AP_LIB M2AP_ENB M3AP_LIB M3AP_ENB F1AP_LIB F1AP 
+        params_libconfig oai_exmimodevif oai_usrpdevif oai_bladerfdevif oai_lmssdrdevif oai_iqplayer oai_oxgrfdevif
         oai_eth_transpro oai_mobipass tcp_bridge tcp_bridge_oai
         coding FLPT_MSG ASYNC_IF FLEXRAN_AGENT HASHTABLE MSC UTIL OMG_SUMO
         SECU_OSA SECU_CN SCHED_LIB SCHED_NR_LIB SCHED_RU_LIB SCHED_UE_LIB SCHED_NR_UE_LIB default_sched remote_sched RAL

cmake_targets/build_oai

@@ -112,7 +112,7 @@ Options
 --UE-gen-nvram [output path]
    Specify gen_nvram_path (default \"$gen_nvram_path\")
 -w | --hardware
-   EXMIMO, USRP, BLADERF, LMSSDR, IRIS, ADRV9371_ZC706, SIMU, AW2SORI, None (Default)
+   EXMIMO, USRP, BLADERF, LMSSDR, IRIS, OXGRF, ADRV9371_ZC706, SIMU, NAW2SORI, one (Default)
    Adds this RF board support (in external packages installation and in compilation)
 -t | --transport
    Selects the transport protocol type, options: None, Ethernet, benetel4g, benetel5g
@@ -290,7 +290,7 @@ function main() {
                 "EXMIMO")
                     HW="EXMIMO"
                     ;;
-                "USRP" | "BLADERF" | "LMSSDR" | "IRIS" | "ADRV9371_ZC706" | "SIMU" | "AW2SORI")
+                "USRP" | "BLADERF" | "LMSSDR" | "IRIS" | "ADRV9371_ZC706" | "SIMU" | "OXGRF" | "AW2SORI")
                     HW="OAI_"$2
                     ;;
                 "None")
@@ -849,8 +849,7 @@ function main() {
   ####################################################
   # Build RF device and transport protocol libraries #
   ####################################################
-  if [ "$eNB" = "1" -o "$eNBocp" = "1" -o "$UE" = "1" -o "$gNB" = "1" -o "$RU" = "1"  -o "$nrUE" = "1" -o "$HWLAT" = "1" ] ; then
-
+  if [ "$HW" != "None" ] ; then
       # build RF device libraries
       if [ "$HW" != "None" ] ; then
           rm -f liboai_device.so
@@ -883,6 +882,20 @@ function main() {
               ln -sf liboai_bladerfdevif.so liboai_device.so
               ln -sf $dbin/liboai_bladerfdevif.so.$REL $dbin/liboai_device.so
               echo_info "liboai_device.so is linked to BLADERF device library"	 
+          elif [ "$HW" == "OAI_OXGRF" ] ; then
+             if [ ! -f "/usr/local/include/oxgrf_api_ss.h" ] ; then
+                 sudo cp $THIS_SCRIPT_PATH/../targets/ARCH/OXGRF/USERSPACE/LIB/oxgrf_api_ss.h  /usr/local/include/oxgrf_api_ss.h
+                 sudo cp $THIS_SCRIPT_PATH/../targets/ARCH/OXGRF/USERSPACE/LIB/liboxgrf_ss.so  /usr/local/lib/liboxgrf_ss.so
+                 sudo chmod +x /usr/local/lib/liboxgrf_ss.so
+                 sudo ldconfig /usr/local/lib
+             fi
+              compilations \
+                     $build_dir oai_oxgrfdevif \
+                     liboai_oxgrfdevif.so $dbin/liboai_oxgrfdevif.so.$REL
+              echo_info "before link"
+              ln -sf liboai_oxgrfdevif.so liboai_device.so
+              ln -sf $dbin/liboai_oxgrfdevif.so.$REL $dbin/liboai_device.so
+              echo_info "liboai_device.so is linked to OXGRF device library"
           elif [ "$HW" == "OAI_LMSSDR" ] ; then
 #              if [ -f "/usr/include/libbladeRF.h" ] ; then
                   compilations \

cmake_targets/tools/build_helper

@@ -442,33 +442,6 @@ install_usrp_uhd_driver() {
     fi
 }
 
-install_bladerf_driver_from_source(){
-    bladerf_install_log=$OPENAIR_DIR/cmake_targets/log/bladerf_install_log.txt
-    echo_info "\nInstalling BladeRF driver from sources. The log file for BladeRF driver installation is here: $bladerf_install_log "
-    (
-    cd /tmp
-    echo "Downloading BladeRF driver"
-    rm -rf /tmp/bladeRF
-    git clone https://github.com/Nuand/bladeRF.git
-    cd bladeRF
-    git checkout tags/2016.06
-    mkdir -p build
-    cd build
-    $CMAKE ../
-    echo "Compiling BladeRF driver"
-    make
-    $SUDO make install
-    $SUDO ldconfig
-    echo "Downloading FPGA and firmware images"
-    cd /tmp/bladeRF
-    wget --tries=3 --retry-connrefused https://www.nuand.com/fx3/bladeRF_fw_latest.img
-    wget --tries=3 --retry-connrefused https://www.nuand.com/fpga/hostedx40-latest.rbf
-    sudo mkdir -p /usr/share/Nuand/bladeRF
-    sudo mv bladeRF_fw_latest.img /usr/share/Nuand/bladeRF/bladeRF_fw.img
-    sudo mv hostedx40-latest.rbf /usr/share/Nuand/bladeRF/hostedx40.rbf
-    ) >& $bladerf_install_log
-}
-
 check_install_bladerf_driver(){
     if [[ "$OS_DISTRO" == "ubuntu" ]]; then
         if [ "$(get_distribution_release)" == "ubuntu14.04" ] ; then
@@ -862,7 +835,8 @@ check_install_oai_software() {
 
     install_asn1c_from_source $1
     $SUDO rm -fr /opt/ssh
-    $SUDO git clone https://gist.github.com/2190472.git /opt/ssh
+    #$SUDO git clone https://gist.github.com/2190472.git /opt/ssh
+	$SUDO git clone https://gitlab.eurecom.fr/oai/ssh.git /opt/ssh
 }
 
 install_asn1c_from_source(){

executables/nr-softmodem-common.h

@@ -100,6 +100,8 @@
 
 #define CONFIG_HLP_USRP_ARGS     "set the arguments to identify USRP (same syntax as in UHD)\n"
 
+#define CONFIG_HLP_OXGRF_ARGS   "set the arguments to identify OXGRF\n"
+
 #define CONFIG_HLP_FLOG          "Enable online log \n"
 #define CONFIG_HLP_LOGL          "Set the global log level, valid options: (4:trace, 3:debug, 2:info, 1:warn, (0:error))\n"
 #define CONFIG_HLP_LOGV          "Set the global log verbosity \n"

executables/nr-uesoftmodem.c

@@ -117,6 +117,7 @@ int                 vcdflag = 0;
 
 double          rx_gain_off = 0.0;
 char             *usrp_args = NULL;
+char             *oxgrf_args = NULL;
 char       *rrc_config_path = NULL;
 char            *uecap_file = NULL;
 int               dumpframe = 0;
@@ -367,6 +368,7 @@ void init_openair0(void) {
     openair0_cfg[card].configFilename = get_softmodem_params()->rf_config_file;
 
     if (usrp_args) openair0_cfg[card].sdr_addrs = usrp_args;
+    else if (oxgrf_args) openair0_cfg[card].sdr_addrs = oxgrf_args;
 
   }
 }

executables/nr-uesoftmodem.h

@@ -29,6 +29,7 @@
 /*------------------------------------------------------------------------------------------------------------------------------------------*/
 #define CMDLINE_NRUEPARAMS_DESC {  \
     {"usrp-args",                CONFIG_HLP_USRP_ARGS,   0,               strptr:(char **)&usrp_args,         defstrval:"type=b200", TYPE_STRING,   0},    \
+    {"oxgrf-args",              CONFIG_HLP_OXGRF_ARGS, 0,               strptr:(char **)&oxgrf_args,       defstrval:"dev=pciex:0", TYPE_STRING,   0},    \
     {"single-thread-disable",    CONFIG_HLP_NOSNGLT,     PARAMFLAG_BOOL,  iptr:&single_thread_flag,           defintval:1,           TYPE_INT,    0}, \
     {"dlsch-parallel",           CONFIG_HLP_DLSCH_PARA,  0,               iptr:(int32_t *)&nrUE_params.nr_dlsch_parallel,       defintval:0,           TYPE_UINT8,  0}, \
     {"offset-divisor",           CONFIG_HLP_OFFSET_DIV,  0,               uptr:(uint32_t *)&nrUE_params.ofdm_offset_divisor,    defuintval:UINT_MAX,           TYPE_UINT32,  0}, \

openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c

@@ -430,7 +430,7 @@ int nr_initial_sync(UE_nr_rxtx_proc_t *proc,
 	  phich_string[fp->phich_config_common.phich_resource],
 	  fp->nb_antenna_ports_gNB);*/
 
-#if defined(OAI_USRP) || defined(EXMIMO) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
+#if defined(OAI_USRP) || defined(EXMIMO) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706) || defined(OAI_OXGRF)
     LOG_I(PHY, "[UE %d] Measured Carrier Frequency %.0f Hz (offset %d Hz)\n",
 	  ue->Mod_id,
 	  openair0_cfg[0].rx_freq[0]+ue->common_vars.freq_offset,
@@ -480,10 +480,12 @@ int nr_initial_sync(UE_nr_rxtx_proc_t *proc,
 #ifndef OAI_BLADERF
 #ifndef OAI_LMSSDR
 #ifndef OAI_ADRV9371_ZC706
+#ifndef OAI_OXGRF
   //phy_adjust_gain(ue,ue->measurements.rx_power_avg_dB[0],0);
 #endif
 #endif
 #endif
+#endif
 #endif
 
   }
@@ -493,10 +495,12 @@ int nr_initial_sync(UE_nr_rxtx_proc_t *proc,
 #ifndef OAI_BLADERF
 #ifndef OAI_LMSSDR
 #ifndef OAI_ADRV9371_ZC706
+#ifndef OAI_OXGRF
   //phy_adjust_gain(ue,dB_fixed(ue->measurements.rssi),0);
 #endif
 #endif
 #endif
+#endif
 #endif
 
   }

openair1/PHY/impl_defs_top.h

@@ -42,6 +42,7 @@
  * @defgroup _GENERIC_PHY_RF_INTERFACE_ Generic PHY - RF Interface
  * @defgroup _USRP_PHY_RF_INTERFACE_    PHY - USRP RF Interface
  * @defgroup _BLADERF_PHY_RF_INTERFACE_    PHY - BLADERF RF Interface
+ * @defgroup _OXGRF_PHY_RF_INTERFACE_    PHY - OXGRF RF Interface
  * @defgroup _LMSSDR_PHY_RF_INTERFACE_    PHY - LMSSDR RF Interface
  * @}
  *

openair1/SCHED_NR_UE/phy_procedures_nr_ue.c

@@ -76,7 +76,9 @@ fifo_dump_emos_UE emos_dump_UE;
 
 char nr_mode_string[NUM_UE_MODE][20] = {"NOT SYNCHED","PRACH","RAR","RA_WAIT_CR", "PUSCH", "RESYNCH"};
 
-#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
+const uint8_t nr_rv_round_map_ue[4] = {0, 2, 1, 3};
+
+#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706) || defined(OAI_OXGRF)
 extern uint64_t downlink_frequency[MAX_NUM_CCs][4];
 #endif
 
@@ -1778,8 +1780,8 @@ void nr_ue_prach_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, uint8_t
 
     ue->prach_vars[gNB_id]->amp = AMP;
 
-    /* #if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)
-      tx_amp = get_tx_amp_prach(ue->tx_power_dBm[nr_slot_tx], ue->tx_power_max_dBm, ue->frame_parms.N_RB_UL);
+    /* #if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706) || defined(OAI_OXGRF)
+      tx_amp = get_tx_amp_prach(ue->tx_power_dBm[nr_tti_tx], ue->tx_power_max_dBm, ue->frame_parms.N_RB_UL);
       if (tx_amp != -1)
         ue->prach_vars[gNB_id]->amp = tx_amp;
     #else

targets/ARCH/COMMON/common_lib.h

@@ -94,6 +94,8 @@ typedef enum {
   USRP_N300_DEV,
   /*!\brief device is BLADE RF*/
   BLADERF_DEV,
+  /*!\brief device is OXGRF pcie*/
+  OXGRF_DEV,
   /*!\brief device is LMSSDR (SoDeRa)*/
   LMSSDR_DEV,
   /*!\brief device is Iris */
@@ -107,7 +109,7 @@ typedef enum {
   RFSIMULATOR,
   MAX_RF_DEV_TYPE
 } dev_type_t;
-#define DEVTYPE_NAMES {"","EXMIMO","USRP B200","USRP X300","USRP N300","BLADERF","LMSSDR","IRIS","No HW","ADRV9371_ZC706","UEDv2", "RFSIMULATOR"} 
+#define DEVTYPE_NAMES {"","EXMIMO","USRP B200","USRP X300","USRP N300","BLADERF","OXGRF", "LMSSDR","IRIS","No HW","ADRV9371_ZC706","UEDv2", "RFSIMULATOR"}
 /*!\brief transport protocol types
  */
 typedef enum {
@@ -208,7 +210,7 @@ typedef struct {
   //! timing_source
   clock_source_t time_source;
   //! Manual SDR IP address
-  //#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
+  //#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR) || defined(OAI_OXGRF)
   char *sdr_addrs;
   //! Auto calibration flag
   int autocal[4];

targets/ARCH/OXGRF/USERSPACE/LIB/oxgrf_lib.h

+/** oxgrf_lib.h
+ *
+ * Author: openxg
+ */
+
+#include "oxgrf_api_ss.h"
+#include "common_lib.h"
+
+/** @addtogroup _OXGRF_PHY_RF_INTERFACE_
+ * @{
+ */
+
+/*! \brief OXGRF specific data structure */ 
+typedef struct {
+
+  //! opaque OXGRF device struct. An empty ("") or NULL device identifier will result in the first encountered device being opened (using the first discovered backend)
+  OXGRF_DESCRIPTOR *dev;
+  int16_t *rx_buffer;
+  int16_t *tx_buffer;
+  //! Sample rate
+  unsigned int sample_rate;
+
+  int rx_num_channels;
+  int tx_num_channels;
+
+  // --------------------------------
+  // Debug and output control
+  // --------------------------------
+  //! Number of underflows
+  int num_underflows;
+  //! Number of overflows
+  int num_overflows;
+  //! number of RX errors
+  int num_rx_errors;
+  //! Number of TX errors
+  int num_tx_errors;
+
+  //! timestamp of current TX
+  uint64_t tx_current_ts;
+  //! timestamp of current RX
+  uint64_t rx_current_ts;
+  //! number of TX samples
+  uint64_t tx_nsamps;
+  //! number of RX samples
+  uint64_t rx_nsamps;
+  //! number of TX count
+  uint64_t tx_count;
+  //! number of RX count
+  uint64_t rx_count;
+  //! timestamp of RX packet
+  openair0_timestamp rx_timestamp;
+
+} oxgrf_state_t;
+
+/*! \brief get current timestamp
+ *\param device the hardware to use 
+ */
+openair0_timestamp trx_get_timestamp(openair0_device *device);
+
+#define REMOVE_SUBSTRING_WITHCOMAS(S, TOREMOVE)                                                                        \
+  remove_substring(S, TOREMOVE ",");                                                                                   \
+  remove_substring(S, TOREMOVE ", ");                                                                                  \
+  remove_substring(S, "," TOREMOVE);                                                                                   \
+  remove_substring(S, ", " TOREMOVE);                                                                                  \
+  remove_substring(S, TOREMOVE)
+
+static inline void remove_substring(char* s, const char* toremove)
+{
+  while ((s = strstr(s, toremove))) {
+    memmove(s, s + strlen(toremove), 1 + strlen(s + strlen(toremove)));
+  }
+}
+
+static inline void copy_subdev_string(char* dst, char* src)
+{
+  int n   = 0;
+  int len = (int)strlen(src);
+  /* Copy until end of string or comma */
+  while (n < len && src[n] != '\0' && src[n] != ',') {
+    dst[n] = src[n];
+    n++;
+  }
+  dst[n] = '\0';
+}
+/*@}*/

targets/COMMON/openairinterface5g_limits.h

 #ifndef OPENAIRINTERFACE5G_LIMITS_H_
 #define OPENAIRINTERFACE5G_LIMITS_H_
 
-#if 1 /*defined(CBMIMO1) || defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)*/
+#if 1 /*defined(CBMIMO1) || defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706) || defined(OAI_OXGRF)*/
 #        define NUMBER_OF_eNB_MAX 1
 #        define NUMBER_OF_gNB_MAX 1
 #        define NUMBER_OF_RU_MAX 2

targets/RT/USER/lte-softmodem.h

@@ -78,6 +78,7 @@
 #define CONFIG_HLP_PRB           "Set the PRB, valid values: 6, 25, 50, 100  \n"
 #define CONFIG_HLP_DLSHIFT       "dynamic shift for LLR compuation for TM3/4 (default 0)\n"
 #define CONFIG_HLP_USRP_ARGS     "set the arguments to identify USRP (same syntax as in UHD)\n"
+#define CONFIG_HLP_OXGRF_ARGS   "set the arguments to identify OXGRF\n"
 #define CONFIG_HLP_DMAMAP        "sets flag for improved EXMIMO UE performance\n"
 #define CONFIG_HLP_TDD           "Set hardware to TDD mode (default: FDD). Used only with -U (otherwise set in config file).\n"
 #define CONFIG_HLP_TADV          "Set timing_advance\n"
@@ -110,6 +111,7 @@
     {"r"  ,               CONFIG_HLP_PRB,         0,               u8ptr:&(frame_parms[0]->N_RB_DL),   defintval:25,         TYPE_UINT8,    0},   \
     {"dlsch-demod-shift", CONFIG_HLP_DLSHIFT,     0,               iptr:(int32_t *)&dlsch_demod_shift, defintval:0,          TYPE_INT,      0},   \
     {"usrp-args",         CONFIG_HLP_USRP_ARGS,   0,               strptr:(char **)&usrp_args,         defstrval:"type=b200",TYPE_STRING,   0},   \
+    {"oxgrf-args",       CONFIG_HLP_OXGRF_ARGS, 0,               strptr:(char **)&oxgrf_args,       defstrval:"dev=pciex:0",TYPE_STRING,   0},   \
     {"mmapped-dma",       CONFIG_HLP_DMAMAP,      PARAMFLAG_BOOL,  uptr:&mmapped_dma,                  defintval:0,          TYPE_INT,      0},   \
     {"T" ,                CONFIG_HLP_TDD,         PARAMFLAG_BOOL,  iptr:&tddflag,                      defintval:0,          TYPE_INT,      0},   \
     {"A",                 CONFIG_HLP_TADV,        0,               iptr:&(timingadv),                  defintval:0,          TYPE_INT,      0},   \

targets/RT/USER/lte-uesoftmodem.c

@@ -165,6 +165,8 @@ int transmission_mode=1;
 char *usrp_args=NULL;
 char *usrp_clksrc=NULL;
 
+char *oxgrf_args=NULL;
+
 THREAD_STRUCT thread_struct;
 /* struct for ethernet specific parameters given in eNB conf file */
 eth_params_t *eth_params;
@@ -482,6 +484,7 @@ void init_openair0(LTE_DL_FRAME_PARMS *frame_parms,int rxgain) {
     }
 
     if (usrp_args) openair0_cfg[card].sdr_addrs = usrp_args;
+    else if (oxgrf_args) openair0_cfg[card].sdr_addrs = oxgrf_args;
   }
 }