Merge remote-tracking branch 'origin/episys/master-nsa' into eurecom-episys-merge-nsa

cmake_targets/CMakeLists.txt

@@ -1539,6 +1539,7 @@ set(NFAPI_USER_SRC
   ${NFAPI_USER_DIR}/nfapi.c
   ${NFAPI_USER_DIR}/nfapi_pnf.c
   ${NFAPI_USER_DIR}/nfapi_vnf.c
+  ${NFAPI_USER_DIR}/gnb_ind_vars.c
 )
 add_library(NFAPI_USER_LIB ${NFAPI_USER_SRC})
 add_dependencies(NFAPI_USER_LIB rrc_flag)
@@ -2068,6 +2069,7 @@ set(NR_L2_SRC_UE
   ${NR_UE_RRC_DIR}/L2_interface_ue.c
   ${NR_UE_RRC_DIR}/main_ue.c
   ${NR_UE_RRC_DIR}/rrc_UE.c
+  ${NR_UE_RRC_DIR}/rrc_nsa.c
   )
 
 set (MAC_SRC
@@ -3282,14 +3284,16 @@ add_executable(nr_dlsim
   ${OPENAIR_DIR}/executables/softmodem-common.c
   ${OPENAIR2_DIR}/RRC/NAS/nas_config.c
   ${OPENAIR1_DIR}/SIMULATION/ETH_TRANSPORT/netlink_init.c
+  ${NR_UE_RRC_DIR}/rrc_nsa.c
   ${NFAPI_USER_DIR}/nfapi.c
   ${OPENAIR_DIR}/common/utils/threadPool/thread-pool.c
+  ${PHY_INTERFACE_DIR}/queue.c
   ${UTIL_SRC}
   ${T_SOURCE}
   ${SHLIB_LOADER_SOURCES}
   )
 target_link_libraries(nr_dlsim
-  -Wl,--start-group UTIL SIMU_COMMON SIMU PHY_COMMON PHY_NR_COMMON PHY_NR PHY_NR_UE SCHED_NR_LIB SCHED_NR_UE_LIB MAC_NR MAC_UE_NR MAC_NR_COMMON RRC_LIB NR_RRC_LIB CONFIG_LIB L2_LTE_NR L2_NR HASHTABLE X2AP_ENB X2AP_LIB SECU_CN NGAP_GNB -Wl,--end-group
+  -Wl,--start-group UTIL SIMU_COMMON SIMU PHY_COMMON PHY_NR_COMMON PHY_NR PHY_NR_UE SCHED_NR_LIB SCHED_NR_UE_LIB MAC_NR MAC_UE_NR MAC_NR_COMMON RRC_LIB NR_RRC_LIB CONFIG_LIB L2_LTE_NR L2_NR HASHTABLE X2AP_ENB X2AP_LIB SECU_CN NGAP_GNB NFAPI_COMMON_LIB NFAPI_LIB NFAPI_PNF_LIB NFAPI_USER_LIB -lz -Wl,--end-group
   m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI ${OPENSSL_LIBRARIES} dl
   )
 target_compile_definitions(nr_dlsim PUBLIC -DPHYSICAL_SIMULATOR)
@@ -3302,13 +3306,15 @@ add_executable(nr_prachsim
   ${OPENAIR1_DIR}/SCHED_NR/phy_procedures_nr_common.c
   ${OPENAIR2_DIR}/RRC/NAS/nas_config.c
   ${OPENAIR1_DIR}/SIMULATION/ETH_TRANSPORT/netlink_init.c
+  ${NR_UE_RRC_DIR}/rrc_nsa.c
   ${NFAPI_USER_DIR}/nfapi.c
   ${OPENAIR_DIR}/common/utils/threadPool/thread-pool.c
+  ${PHY_INTERFACE_DIR}/queue.c
   ${UTIL_SRC}
   ${T_SOURCE}
   ${SHLIB_LOADER_SOURCES})
 target_link_libraries(nr_prachsim
-  -Wl,--start-group UTIL SIMU_COMMON SIMU PHY_COMMON PHY_NR_COMMON PHY_NR PHY_RU PHY_NR_UE MAC_NR_COMMON SCHED_NR_LIB SCHED_NR_UE_LIB MAC_NR MAC_UE_NR MAC_NR_COMMON RRC_LIB NR_RRC_LIB CONFIG_LIB L2_LTE_NR L2_NR HASHTABLE X2AP_ENB X2AP_LIB SECU_CN NGAP_GNB -Wl,--end-group
+  -Wl,--start-group UTIL SIMU_COMMON SIMU PHY_COMMON PHY_NR_COMMON PHY_NR PHY_RU PHY_NR_UE MAC_NR_COMMON SCHED_NR_LIB SCHED_NR_UE_LIB MAC_NR MAC_UE_NR MAC_NR_COMMON RRC_LIB NR_RRC_LIB CONFIG_LIB L2_LTE_NR L2_NR HASHTABLE X2AP_ENB X2AP_LIB SECU_CN NGAP_GNB NFAPI_COMMON_LIB NFAPI_LIB NFAPI_PNF_LIB NFAPI_USER_LIB -lz -Wl,--end-group
   m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI ${OPENSSL_LIBRARIES} dl)
 
 add_executable(nr_ulschsim
@@ -3317,6 +3323,7 @@ add_executable(nr_ulschsim
   ${OPENAIR_DIR}/common/utils/utils.c
   ${OPENAIR_DIR}/common/utils/system.c
   ${OPENAIR_DIR}/common/utils/nr/nr_common.c
+  ${PHY_INTERFACE_DIR}/queue.c
   ${UTIL_SRC}
   ${T_SOURCE}
   ${SHLIB_LOADER_SOURCES}
@@ -3335,13 +3342,15 @@ add_executable(nr_ulsim
   ${OPENAIR_DIR}/executables/softmodem-common.c
   ${OPENAIR2_DIR}/RRC/NAS/nas_config.c
   ${OPENAIR1_DIR}/SIMULATION/ETH_TRANSPORT/netlink_init.c
+  ${NR_UE_RRC_DIR}/rrc_nsa.c
   ${NFAPI_USER_DIR}/nfapi.c
+  ${PHY_INTERFACE_DIR}/queue.c
   ${UTIL_SRC}
   ${T_SOURCE}
   ${SHLIB_LOADER_SOURCES}
   )
 target_link_libraries(nr_ulsim
-  -Wl,--start-group UTIL SIMU_COMMON SIMU PHY_COMMON PHY_NR_COMMON PHY_NR PHY_NR_UE SCHED_NR_LIB SCHED_NR_UE_LIB MAC_NR MAC_UE_NR MAC_NR_COMMON RRC_LIB NR_RRC_LIB CONFIG_LIB L2_LTE_NR L2_NR HASHTABLE X2AP_ENB X2AP_LIB SECU_CN NGAP_GNB -Wl,--end-group
+  -Wl,--start-group UTIL SIMU_COMMON SIMU PHY_COMMON PHY_NR_COMMON PHY_NR PHY_NR_UE SCHED_NR_LIB SCHED_NR_UE_LIB MAC_NR MAC_UE_NR MAC_NR_COMMON RRC_LIB NR_RRC_LIB CONFIG_LIB L2_LTE_NR L2_NR HASHTABLE X2AP_ENB X2AP_LIB SECU_CN NGAP_GNB NFAPI_COMMON_LIB NFAPI_LIB NFAPI_PNF_LIB NFAPI_USER_LIB -lz -Wl,--end-group
   m pthread ${ATLAS_LIBRARIES} ${T_LIB} ITTI ${OPENSSL_LIBRARIES} dl
   )
 target_compile_definitions(nr_ulsim PUBLIC -DPHYSICAL_SIMULATOR)

executables/nr-uesoftmodem.c

@@ -159,7 +159,6 @@ char         uecap_xer[1024];
  */
 uint8_t abstraction_flag=0;
 
-uint16_t ue_id_g;
 uint16_t ue_idx_standalone = 0xFFFF;
 
 /*---------------------BMC: timespec helpers -----------------------------*/

nfapi/oai_integration/gnb_ind_vars.c

+#include "gnb_ind_vars.h"
+
+queue_t gnb_rach_ind_queue;
+queue_t gnb_rx_ind_queue;
+queue_t gnb_crc_ind_queue;
+queue_t gnb_uci_ind_queue;
+queue_t gnb_slot_ind_queue;

nfapi/oai_integration/gnb_ind_vars.h

+#pragma once
+
+#include "openair2/PHY_INTERFACE/queue.h"
+
+extern queue_t gnb_rach_ind_queue;
+extern queue_t gnb_rx_ind_queue;
+extern queue_t gnb_crc_ind_queue;
+extern queue_t gnb_uci_ind_queue;
+extern queue_t gnb_slot_ind_queue;

nfapi/oai_integration/nfapi_vnf.c

@@ -44,6 +44,7 @@
 
 #include "common/ran_context.h"
 #include "openair2/PHY_INTERFACE/queue.h"
+#include "gnb_ind_vars.h"
 
 #define TEST
 
@@ -172,12 +173,6 @@ typedef struct {
 
 } vnf_info;
 
-queue_t gnb_rach_ind_queue;
-queue_t gnb_rx_ind_queue;
-queue_t gnb_crc_ind_queue;
-queue_t gnb_uci_ind_queue;
-queue_t gnb_slot_ind_queue;
-
 int vnf_pack_vendor_extension_tlv(void *ve, uint8_t **ppWritePackedMsg, uint8_t *end, nfapi_p4_p5_codec_config_t *codec) {
   //NFAPI_TRACE(NFAPI_TRACE_INFO, "vnf_pack_vendor_extension_tlv\n");
   nfapi_tl_t *tlv = (nfapi_tl_t *)ve;

openair2/NR_PHY_INTERFACE/NR_IF_Module.c

@@ -37,6 +37,7 @@
 #include "common/ran_context.h"
 #include "executables/softmodem-common.h"
 #include "nfapi/oai_integration/vendor_ext.h" 
+#include "nfapi/oai_integration/gnb_ind_vars.h"
 #include "openair2/PHY_INTERFACE/queue.h"
 
 #define MAX_IF_MODULES 100
@@ -59,11 +60,6 @@ extern uint8_t nfapi_mode;
 extern uint16_t sf_ahead;
 extern uint16_t sl_ahead;
 
-extern queue_t gnb_rach_ind_queue;
-extern queue_t gnb_rx_ind_queue;
-extern queue_t gnb_crc_ind_queue;
-extern queue_t gnb_uci_ind_queue;
-
 
 void handle_nr_rach(NR_UL_IND_t *UL_info)
 {

openair2/RRC/NR_UE/rrc_UE.c

@@ -129,10 +129,6 @@ nr_rrc_ue_generate_rrcReestablishmentComplete(
 
 mui_t nr_rrc_mui=0;
 
-static const char nsa_ipaddr[] = "127.0.0.1";
-static int from_lte_ue_fd = -1;
-static int to_lte_ue_fd = -1;
-
 static Rrc_State_NR_t nr_rrc_get_state (module_id_t ue_mod_idP) {
   return NR_UE_rrc_inst[ue_mod_idP].nrRrcState;
 }
@@ -205,7 +201,6 @@ extern rlc_op_status_t nr_rrc_rlc_config_asn1_req (const protocol_ctxt_t   * con
     const LTE_PMCH_InfoList_r9_t * const pmch_InfoList_r9_pP,
     struct NR_CellGroupConfig__rlc_BearerToAddModList *rlc_bearer2add_list);
 
-static void process_lte_nsa_msg(nsa_msg_t *msg, int msg_len);
 static void start_oai_nrue_threads(void);
 
 // from LTE-RRC DL-DCCH RRCConnectionReconfiguration nr-secondary-cell-group-config (encoded)
@@ -2722,6 +2717,7 @@ nr_rrc_ue_generate_rrcReestablishmentComplete(
 void *recv_msgs_from_lte_ue(void *args_p)
 {
     itti_mark_task_ready (TASK_RRC_NSA_NRUE);
+    int from_lte_ue_fd = get_from_lte_ue_fd();
     for (;;)
     {
         nsa_msg_t msg;
@@ -2741,77 +2737,6 @@ void *recv_msgs_from_lte_ue(void *args_p)
     }
     return NULL;
 }
-
-void nsa_sendmsg_to_lte_ue(const void *message, size_t msg_len, MessagesIds msg_type)
-{
-    LOG_I(NR_RRC, "Entered %s \n", __FUNCTION__);
-    nsa_msg_t n_msg;
-    if (msg_len > sizeof(n_msg.msg_buffer))
-    {
-        LOG_E(NR_RRC, "%s: message too big: %zu\n", __func__, msg_len);
-        abort();
-    }
-    n_msg.msg_type = msg_type;
-    memcpy(n_msg.msg_buffer, message, msg_len);
-    size_t to_send = sizeof(n_msg.msg_type) + msg_len;
-
-    struct sockaddr_in sa =
-    {
-        .sin_family = AF_INET,
-        .sin_port = htons(6007 + ue_id_g * 2),
-    };
-    int sent = sendto(from_lte_ue_fd, &n_msg, to_send, 0,
-                      (struct sockaddr *)&sa, sizeof(sa));
-    if (sent == -1)
-    {
-        LOG_E(NR_RRC, "%s: sendto: %s\n", __func__, strerror(errno));
-        return;
-    }
-    if (sent != to_send)
-    {
-        LOG_E(RRC, "%s: Short send %d != %zu\n", __func__, sent, to_send);
-        return;
-    }
-    LOG_D(NR_RRC, "Sent a %d message to the LTE UE (%d bytes) \n", msg_type, sent);
-}
-
-void init_connections_with_lte_ue(void)
-{
-    struct sockaddr_in sa =
-    {
-        .sin_family = AF_INET,
-        .sin_port = htons(6008 + ue_id_g * 2),
-    };
-    AssertFatal(from_lte_ue_fd == -1, "from_lte_ue_fd %d was assigned already", from_lte_ue_fd);
-    from_lte_ue_fd = socket(AF_INET, SOCK_DGRAM, 0);
-    if (from_lte_ue_fd == -1)
-    {
-        LOG_E(NR_RRC, "%s: Error opening socket %d (%d:%s)\n", __FUNCTION__, from_lte_ue_fd, errno, strerror(errno));
-        abort();
-    }
-
-    if (inet_aton(nsa_ipaddr, &sa.sin_addr) == 0)
-    {
-        LOG_E(NR_RRC, "Bad nsa_ipaddr '%s'\n", nsa_ipaddr);
-        abort();
-    }
-
-    if (bind(from_lte_ue_fd, (struct sockaddr *) &sa, sizeof(sa)) == -1)
-    {
-        LOG_E(NR_RRC,"%s: Failed to bind the socket\n", __FUNCTION__);
-        abort();
-    }
-
-    AssertFatal(to_lte_ue_fd == -1, "to_lte_ue_fd was assigned already");
-    to_lte_ue_fd = socket(AF_INET, SOCK_DGRAM, 0);
-    if (to_lte_ue_fd == -1)
-    {
-        LOG_E(NR_RRC, "%s: Error opening socket %d (%d:%s)\n", __FUNCTION__, to_lte_ue_fd, errno, strerror(errno));
-        abort();
-    }
-    LOG_I(NR_RRC, "Started LTE-NR link in the nr-UE\n");
-}
-
 static void start_oai_nrue_threads()
 {
     init_queue(&nr_rach_ind_queue);

openair2/RRC/NR_UE/rrc_nsa.c

+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include "common/utils/LOG/log.h"
+#include "openair2/RRC/NR_UE/rrc_proto.h"
+
+static const char nsa_ipaddr[] = "127.0.0.1";
+static int from_lte_ue_fd = -1;
+static int to_lte_ue_fd = -1;
+uint16_t ue_id_g;
+
+int get_from_lte_ue_fd()
+{
+    return from_lte_ue_fd;
+}
+
+void nsa_sendmsg_to_lte_ue(const void *message, size_t msg_len, MessagesIds msg_type)
+{
+    LOG_I(NR_RRC, "Entered %s \n", __FUNCTION__);
+    nsa_msg_t n_msg;
+    if (msg_len > sizeof(n_msg.msg_buffer))
+    {
+        LOG_E(NR_RRC, "%s: message too big: %zu\n", __func__, msg_len);
+        abort();
+    }
+    n_msg.msg_type = msg_type;
+    memcpy(n_msg.msg_buffer, message, msg_len);
+    size_t to_send = sizeof(n_msg.msg_type) + msg_len;
+
+    struct sockaddr_in sa =
+    {
+        .sin_family = AF_INET,
+        .sin_port = htons(6007 + ue_id_g * 2),
+    };
+    int sent = sendto(from_lte_ue_fd, &n_msg, to_send, 0,
+                      (struct sockaddr *)&sa, sizeof(sa));
+    if (sent == -1)
+    {
+        LOG_E(NR_RRC, "%s: sendto: %s\n", __func__, strerror(errno));
+        return;
+    }
+    if (sent != to_send)
+    {
+        LOG_E(NR_RRC, "%s: Short send %d != %zu\n", __func__, sent, to_send);
+        return;
+    }
+    LOG_D(NR_RRC, "Sent a %d message to the LTE UE (%d bytes) \n", msg_type, sent);
+}
+
+void init_connections_with_lte_ue(void)
+{
+    struct sockaddr_in sa =
+    {
+        .sin_family = AF_INET,
+        .sin_port = htons(6008 + ue_id_g * 2),
+    };
+    AssertFatal(from_lte_ue_fd == -1, "from_lte_ue_fd %d was assigned already", from_lte_ue_fd);
+    from_lte_ue_fd = socket(AF_INET, SOCK_DGRAM, 0);
+    if (from_lte_ue_fd == -1)
+    {
+        LOG_E(NR_RRC, "%s: Error opening socket %d (%d:%s)\n", __FUNCTION__, from_lte_ue_fd, errno, strerror(errno));
+        abort();
+    }
+
+    if (inet_aton(nsa_ipaddr, &sa.sin_addr) == 0)
+    {
+        LOG_E(NR_RRC, "Bad nsa_ipaddr '%s'\n", nsa_ipaddr);
+        abort();
+    }
+
+    if (bind(from_lte_ue_fd, (struct sockaddr *) &sa, sizeof(sa)) == -1)
+    {
+        LOG_E(NR_RRC,"%s: Failed to bind the socket\n", __FUNCTION__);
+        abort();
+    }
+
+    AssertFatal(to_lte_ue_fd == -1, "to_lte_ue_fd was assigned already");
+    to_lte_ue_fd = socket(AF_INET, SOCK_DGRAM, 0);
+    if (to_lte_ue_fd == -1)
+    {
+        LOG_E(NR_RRC, "%s: Error opening socket %d (%d:%s)\n", __FUNCTION__, to_lte_ue_fd, errno, strerror(errno));
+        abort();
+    }
+    LOG_I(NR_RRC, "Started LTE-NR link in the nr-UE\n");
+}

openair2/RRC/NR_UE/rrc_proto.h

@@ -168,6 +168,10 @@ void nsa_sendmsg_to_lte_ue(const void *message, size_t msg_len, MessagesIds msg_
    \param gNB_index  gNB index  */
 void nr_rrc_ue_generate_RRCSetupRequest(module_id_t module_id, const uint8_t gNB_index);
 
+void process_lte_nsa_msg(nsa_msg_t *msg, int msg_len);
+
+int get_from_lte_ue_fd();
+
 /** @}*/
 #endif