Merge branch 'bugfix-33-RRCConnectionRequest_with_STMSI' into develop

openair2/COMMON/platform_types.h

@@ -163,7 +163,13 @@ typedef uint32_t           mbms_session_id_t;
 typedef uint16_t           mbms_service_id_t;
 typedef uint16_t           rnti_t;
 typedef uint8_t            rrc_enb_index_t;
+typedef uint8_t            mme_code_t;
+typedef uint32_t           m_tmsi_t;
 
+//Random UE identity length = 40 bits
+#if ! defined(NOT_A_RANDOM_UE_IDENTITY)
+#define NOT_A_RANDOM_UE_IDENTITY (uint64_t)0xFFFFFFFF
+#endif
 #if ! defined(NOT_A_RNTI)
 #define NOT_A_RNTI (rnti_t)0
 #endif

openair2/RRC/LITE/MESSAGES/asn1_msg.c

@@ -2110,6 +2110,67 @@ do_RRCConnectionReestablishmentReject(
   return((enc_rval.encoded+7)/8);
 }
 
+//------------------------------------------------------------------------------
+uint8_t
+do_RRCConnectionReject(
+  uint8_t                    Mod_id,
+  uint8_t*                   const buffer)
+//------------------------------------------------------------------------------
+{
+
+  asn_enc_rval_t enc_rval;
+
+  DL_CCCH_Message_t dl_ccch_msg;
+  RRCConnectionReject_t *rrcConnectionReject;
+
+  memset((void *)&dl_ccch_msg,0,sizeof(DL_CCCH_Message_t));
+  dl_ccch_msg.message.present           = DL_CCCH_MessageType_PR_c1;
+  dl_ccch_msg.message.choice.c1.present = DL_CCCH_MessageType__c1_PR_rrcConnectionReject;
+  rrcConnectionReject                   = &dl_ccch_msg.message.choice.c1.choice.rrcConnectionReject;
+
+  // RRCConnectionReject
+  rrcConnectionReject->criticalExtensions.present = RRCConnectionReject__criticalExtensions_PR_c1;
+  rrcConnectionReject->criticalExtensions.choice.c1.present = RRCConnectionReject__criticalExtensions__c1_PR_rrcConnectionReject_r8;
+  /* let's put a wait time of 1s for the moment */
+  rrcConnectionReject->criticalExtensions.choice.c1.choice.rrcConnectionReject_r8.waitTime = 1;
+
+#ifdef XER_PRINT
+  xer_fprint(stdout, &asn_DEF_DL_CCCH_Message, (void*)&dl_ccch_msg);
+#endif
+  enc_rval = uper_encode_to_buffer(&asn_DEF_DL_CCCH_Message,
+                                   (void*)&dl_ccch_msg,
+                                   buffer,
+                                   100);
+  AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %ld)!\n",
+               enc_rval.failed_type->name, enc_rval.encoded);
+
+#if defined(ENABLE_ITTI)
+# if !defined(DISABLE_XER_SPRINT)
+  {
+    char        message_string[20000];
+    size_t      message_string_size;
+
+    if ((message_string_size = xer_sprint(message_string, sizeof(message_string), &asn_DEF_DL_CCCH_Message, (void *) &dl_ccch_msg)) > 0) {
+      MessageDef *msg_p;
+
+      msg_p = itti_alloc_new_message_sized (TASK_RRC_ENB, RRC_DL_CCCH, message_string_size + sizeof (IttiMsgText));
+      msg_p->ittiMsg.rrc_dl_ccch.size = message_string_size;
+      memcpy(&msg_p->ittiMsg.rrc_dl_ccch.text, message_string, message_string_size);
+
+      itti_send_msg_to_task(TASK_UNKNOWN, Mod_id, msg_p);
+    }
+  }
+# endif
+#endif
+
+#ifdef USER_MODE
+  LOG_D(RRC,"RRCConnectionReject Encoded %d bits (%d bytes)\n",
+        enc_rval.encoded,(enc_rval.encoded+7)/8);
+#endif
+
+  return((enc_rval.encoded+7)/8);
+}
+
 uint8_t do_RRCConnectionRelease(
   uint8_t                             Mod_id,
   uint8_t                            *buffer,

openair2/RRC/LITE/MESSAGES/asn1_msg.h

@@ -218,6 +218,16 @@ do_RRCConnectionReestablishmentReject(
     uint8_t                    Mod_id,
     uint8_t*                   const buffer);
 
+/**
+\brief Generate an RRCConnectionReject DL-CCCH-Message (eNB).
+@param Mod_id Module ID of eNB
+@param buffer Pointer to PER-encoded ASN.1 description of DL-CCCH-Message PDU
+@returns Size of encoded bit stream in bytes*/
+uint8_t
+do_RRCConnectionReject(
+    uint8_t                    Mod_id,
+    uint8_t*                   const buffer);
+
 /**
 \brief Generate an RRCConnectionRequest UL-CCCH-Message (UE) based on random string or S-TMSI.  This
 routine only generates an mo-data establishment cause.

openair2/RRC/LITE/defs.h

@@ -212,9 +212,9 @@ typedef struct UE_RRC_INFO_s {
 } __attribute__ ((__packed__)) UE_RRC_INFO;
 
 typedef struct UE_S_TMSI_s {
-  uint8_t  presence;
-  uint8_t  mme_code;
-  uint32_t m_tmsi;
+  boolean_t  presence;
+  mme_code_t mme_code;
+  m_tmsi_t   m_tmsi;
 } __attribute__ ((__packed__)) UE_S_TMSI;
 
 #if defined(ENABLE_ITTI)

openair2/RRC/LITE/rrc_eNB_S1AP.c

@@ -43,6 +43,7 @@
 # include "RRC/LITE/defs.h"
 # include "rrc_eNB_UE_context.h"
 # include "rrc_eNB_S1AP.h"
+# include "enb_config.h"
 
 # if defined(ENABLE_ITTI)
 #   include "asn1_conversions.h"
@@ -661,15 +662,16 @@ rrc_eNB_send_S1AP_NAS_FIRST_REQ(
         S1AP_NAS_FIRST_REQ (message_p).ue_identity.s_tmsi.mme_code = s_TMSI->mme_code;
         S1AP_NAS_FIRST_REQ (message_p).ue_identity.s_tmsi.m_tmsi = s_TMSI->m_tmsi;
         LOG_I(S1AP, "[eNB %d] Build S1AP_NAS_FIRST_REQ with s_TMSI: MME code %u M-TMSI %u ue %x\n",
-        ctxt_pP->module_id,
-        S1AP_NAS_FIRST_REQ (message_p).ue_identity.s_tmsi.mme_code,
-        S1AP_NAS_FIRST_REQ (message_p).ue_identity.s_tmsi.m_tmsi,
-        ue_context_pP->ue_context.rnti);
+            ctxt_pP->module_id,
+            S1AP_NAS_FIRST_REQ (message_p).ue_identity.s_tmsi.mme_code,
+            S1AP_NAS_FIRST_REQ (message_p).ue_identity.s_tmsi.m_tmsi,
+            ue_context_pP->ue_context.rnti);
       }
 
       if (rrcConnectionSetupComplete->registeredMME != NULL) {
         /* Fill GUMMEI */
         struct RegisteredMME *r_mme = rrcConnectionSetupComplete->registeredMME;
+        int selected_plmn_identity = rrcConnectionSetupComplete->selectedPLMN_Identity;
 
         S1AP_NAS_FIRST_REQ (message_p).ue_identity.presenceMask |= UE_IDENTITIES_gummei;
 
@@ -678,9 +680,9 @@ rrc_eNB_send_S1AP_NAS_FIRST_REQ(
             /* Use first indicated PLMN MCC if it is defined */
             S1AP_NAS_FIRST_REQ (message_p).ue_identity.gummei.mcc = *r_mme->plmn_Identity->mcc->list.array[0];
             LOG_I(S1AP, "[eNB %d] Build S1AP_NAS_FIRST_REQ adding in s_TMSI: GUMMEI MCC %u ue %x\n",
-            ctxt_pP->module_id,
-            S1AP_NAS_FIRST_REQ (message_p).ue_identity.gummei.mcc,
-            ue_context_pP->ue_context.rnti);
+                ctxt_pP->module_id,
+                S1AP_NAS_FIRST_REQ (message_p).ue_identity.gummei.mcc,
+                ue_context_pP->ue_context.rnti);
           }
 
           if (r_mme->plmn_Identity->mnc.list.count > 0) {
@@ -691,6 +693,14 @@ rrc_eNB_send_S1AP_NAS_FIRST_REQ(
                   S1AP_NAS_FIRST_REQ (message_p).ue_identity.gummei.mnc,
                   ue_context_pP->ue_context.rnti);
           }
+        } else {
+          const Enb_properties_array_t   *enb_properties_p  = NULL;
+          enb_properties_p = enb_config_get();
+
+          // actually the eNB configuration contains only one PLMN (can be up to 6)
+          S1AP_NAS_FIRST_REQ (message_p).ue_identity.gummei.mcc = enb_properties_p->properties[ctxt_pP->module_id]->mcc;
+          S1AP_NAS_FIRST_REQ (message_p).ue_identity.gummei.mnc = enb_properties_p->properties[ctxt_pP->module_id]->mnc;
+          S1AP_NAS_FIRST_REQ (message_p).ue_identity.gummei.mnc_len = enb_properties_p->properties[ctxt_pP->module_id]->mnc_digit_length;
         }
 
         S1AP_NAS_FIRST_REQ (message_p).ue_identity.gummei.mme_code     = BIT_STRING_to_uint8 (&r_mme->mmec);

targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.usrpb210.epc.remote.conf

@@ -16,7 +16,7 @@ eNBs =
     tracking_area_code  =  "1";
 
     mobile_country_code =  "208";
-    mobile_network_code =  "92";
+    mobile_network_code =  "95";
 
        ////////// Physical parameters:
 
@@ -130,18 +130,18 @@ eNBs =
     };
 
     ////////// MME parameters:
-    mme_ip_address      = ( {ipv4 = "192.168.12.26";
+    mme_ip_address      = ( {ipv4 = "192.168.12.17";
                               ipv6="192:168:30::17";
                               active="yes";
                               preference="ipv4";});
 
     NETWORK_INTERFACES :
     {
-        ENB_INTERFACE_NAME_FOR_S1_MME            = "eth1";
-        ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.82/24";
+        ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
+        ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.213/24";
 
-        ENB_INTERFACE_NAME_FOR_S1U               = "eth1";
-        ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.82/24";
+        ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
+        ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.213/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
     };