diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt index 17d921d4d987bac3f768635d40b15772203991d1..41186dc72bc5583847e5ba98dcf224020215a41f 100644 --- a/cmake_targets/CMakeLists.txt +++ b/cmake_targets/CMakeLists.txt @@ -42,6 +42,8 @@ set (OPENAIR_BIN_DIR ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}) project (OpenAirInterface) +#add_definitions("-DEMIT_ASN_DEBUG=1") + ########################################### # macros to define options as there is numerous options in oai ################################################ @@ -196,7 +198,7 @@ add_definitions("-DPACKAGE_BUGREPORT=\"OpenAirInterface web site\"") add_boolean_option(MSG_PRINT False "print debug messages") add_boolean_option(DISABLE_XER_PRINT False "print XER Format") add_boolean_option(XER_PRINT False "print XER Format") -add_boolean_option(RRC_MSG_PRINT False "print RRC messages") +add_boolean_option(RRC_MSG_PRINT Flase "print RRC messages") add_boolean_option(PDCP_MSG_PRINT False "print PDCP messages to /tmp/pdcp.log") add_boolean_option(DEBUG_PDCP_PAYLOAD False "print PDCP PDU to stdout") # if true, make sure that global and PDCP log levels are trace add_boolean_option(DEBUG_MAC_INTERFACE False "print MAC-RLC PDU exchange to stdout") # if true, make sure that global and PDCP log levels are trace diff --git a/openair2/COMMON/s1ap_messages_def.h b/openair2/COMMON/s1ap_messages_def.h index b9f7a0d02f9ee60c39d971c2ba51170d90d4fdcf..e2012a91c5e871ac1d5d7830e41e1fd565f72da6 100644 --- a/openair2/COMMON/s1ap_messages_def.h +++ b/openair2/COMMON/s1ap_messages_def.h @@ -39,6 +39,8 @@ MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_REQ_LOG, MESSAGE_PRIORITY_MED, IttiMsgText MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_COMMAND_LOG, MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_ue_context_release_command_log) MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_COMPLETE_LOG, MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_ue_context_release_complete_log) MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_ue_context_release_log) +MESSAGE_DEF(S1AP_E_RAB_SETUP_REQUEST_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_e_rab_setup_request_log) +MESSAGE_DEF(S1AP_E_RAB_SETUP_RESPONSE_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , s1ap_e_rab_setup_response_log) /* eNB application layer -> S1AP messages */ MESSAGE_DEF(S1AP_REGISTER_ENB_REQ , MESSAGE_PRIORITY_MED, s1ap_register_enb_req_t , s1ap_register_enb_req) diff --git a/openair2/LAYER2/MAC/eNB_scheduler_dlsch.c b/openair2/LAYER2/MAC/eNB_scheduler_dlsch.c index ca08f076952d3766f7104abc90a3156986a0ba66..1d36c934708d7c121ce65dd28560d895e897a8c8 100644 --- a/openair2/LAYER2/MAC/eNB_scheduler_dlsch.c +++ b/openair2/LAYER2/MAC/eNB_scheduler_dlsch.c @@ -1104,12 +1104,12 @@ schedule_ue_spec( post_padding); //#ifdef DEBUG_eNB_SCHEDULER - if (ta_update) { + // if (ta_update) { LOG_I(MAC, - "[eNB %d][DLSCH] Frame %d Generate header for UE_id %d on CC_id %d: sdu_length_total %d, num_sdus %d, sdu_lengths[0] %d, sdu_lcids[0] %d => payload offset %d,timing advance value : %d, padding %d,post_padding %d,(mcs %d, TBS %d, nb_rb %d),header_dcch %d, header_dtch %d\n", - module_idP,frameP, UE_id, CC_id, sdu_length_total,num_sdus,sdu_lengths[0],sdu_lcids[0],offset, + "[eNB %d][DLSCH] Frame %d Generate header for UE_id %d on CC_id %d LCID %d: sdu_length_total %d, num_sdus %d, sdu_lengths[0] %d, sdu_lcids[0] %d => payload offset %d,timing advance value : %d, padding %d,post_padding %d,(mcs %d, TBS %d, nb_rb %d),header_dcch %d, header_dtch %d\n", + module_idP,frameP, UE_id, CC_id, sdu_lcids[0], sdu_length_total,num_sdus,sdu_lengths[0],sdu_lcids[0],offset, ta_update,padding,post_padding,mcs,TBS,nb_rb,header_len_dcch,header_len_dtch); - } + // } //#endif #ifdef DEBUG_eNB_SCHEDULER diff --git a/openair2/LAYER2/MAC/eNB_scheduler_ulsch.c b/openair2/LAYER2/MAC/eNB_scheduler_ulsch.c index 6bfb598db595d44721ca6573f9ed62dc790daffd..0e30bfb5359e44baddc80792b1c1dde6356eeb78 100644 --- a/openair2/LAYER2/MAC/eNB_scheduler_ulsch.c +++ b/openair2/LAYER2/MAC/eNB_scheduler_ulsch.c @@ -309,7 +309,7 @@ void rx_sdu(const module_id_t enb_mod_idP, } /* UE_id != -1 */ } else if ((rx_lcids[i] < NB_RB_MAX) && (rx_lcids[i] > DCCH1 )) { - LOG_D(MAC,"[eNB %d] CC_id %d Frame %d : ULSCH -> UL-DTCH%d, received %d bytes form UE %d \n", + LOG_I(MAC,"[eNB %d] CC_id %d Frame %d : ULSCH -> UL-DTCH%d, received %d bytes form UE %d \n", enb_mod_idP,CC_idP,frameP, rx_lcids[i], rx_lengths[i], UE_id); #if defined(ENABLE_MAC_PAYLOAD_DEBUG) diff --git a/openair2/RRC/LITE/rrc_eNB.c b/openair2/RRC/LITE/rrc_eNB.c index a33cdf18dedf809e06857d1fe147624533f994d6..bff756a25b14a64dad79ae25c14490a76a986df8 100644 --- a/openair2/RRC/LITE/rrc_eNB.c +++ b/openair2/RRC/LITE/rrc_eNB.c @@ -1085,30 +1085,33 @@ rrc_eNB_generate_dedicatedRRCConnectionReconfiguration(const protocol_ctxt_t* co DedicatedInfoNAS_t *dedicatedInfoNas = NULL; long *logicalchannelgroup, *logicalchannelgroup_drb; - int drb_Identity_index; + int drb_identity_index=0; // Configure DRB //*DRB_configList = CALLOC(1, sizeof(*DRB_configList)); *DRB_configList = CALLOC(1, sizeof(**DRB_configList)); + dedicatedInfoNASList = CALLOC(1, sizeof(struct RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList)); for ( i = 0 ; - i < ue_context_pP->ue_context.nb_of_e_rabs; + i < ue_context_pP->ue_context.setup_e_rabs ; i++){ + // bypass the already configured erabs - if (ue_context_pP->ue_context.e_rab[i].status == E_RAB_STATUS_DONE) { - //drb_identiy_index++; + if (ue_context_pP->ue_context.e_rab[i].status == E_RAB_STATUS_ESTABLISHED) { + drb_identity_index++; continue; } + DRB_config = CALLOC(1, sizeof(*DRB_config)); DRB_config->eps_BearerIdentity = CALLOC(1, sizeof(long)); - *(DRB_config->eps_BearerIdentity) = 5L; + *(DRB_config->eps_BearerIdentity) = ue_context_pP->ue_context.e_rab[i].param.e_rab_id; - DRB_config->drb_Identity = (DRB_Identity_t) ue_context_pP->ue_context.e_rab[i].param.e_rab_id; + DRB_config->drb_Identity = 1 + drb_identity_index;// (DRB_Identity_t) ue_context_pP->ue_context.e_rab[i].param.e_rab_id; // 1 + drb_identiy_index; DRB_config->logicalChannelIdentity = CALLOC(1, sizeof(long)); - *(DRB_config->logicalChannelIdentity) = (long) (ue_context_pP->ue_context.e_rab[i].param.e_rab_id + 2); // value : x+2 + *(DRB_config->logicalChannelIdentity) = DRB_config->drb_Identity + 2; //(long) (ue_context_pP->ue_context.e_rab[i].param.e_rab_id + 2); // value : x+2 DRB_rlc_config = CALLOC(1, sizeof(*DRB_rlc_config)); DRB_config->rlc_Config = DRB_rlc_config; @@ -1174,13 +1177,20 @@ rrc_eNB_generate_dedicatedRRCConnectionReconfiguration(const protocol_ctxt_t* co LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50; logicalchannelgroup_drb = CALLOC(1, sizeof(long)); - *logicalchannelgroup_drb = (i+1) % 3; + *logicalchannelgroup_drb = 1;//(i+1) % 3; DRB_ul_SpecificParameters->logicalChannelGroup = logicalchannelgroup_drb; - + ASN_SEQUENCE_ADD(&(*DRB_configList)->list, DRB_config); - -#if defined(ENABLE_ITTI) + LOG_I(RRC,"EPS ID %d, DRB ID %d (index %d), QCI %d, priority %d, LCID %d LCGID %d \n", + *DRB_config->eps_BearerIdentity, + DRB_config->drb_Identity, i, + ue_context_pP->ue_context.e_rab[i].param.qos.qci, + DRB_ul_SpecificParameters->priority, + *(DRB_config->logicalChannelIdentity), + DRB_ul_SpecificParameters->logicalChannelGroup + ); + if (ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer != NULL) { dedicatedInfoNas = CALLOC(1, sizeof(DedicatedInfoNAS_t)); memset(dedicatedInfoNas, 0, sizeof(OCTET_STRING_t)); @@ -1188,7 +1198,7 @@ rrc_eNB_generate_dedicatedRRCConnectionReconfiguration(const protocol_ctxt_t* co (char*)ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer, ue_context_pP->ue_context.e_rab[i].param.nas_pdu.length); ASN_SEQUENCE_ADD(&dedicatedInfoNASList->list, dedicatedInfoNas); - } + } /* TODO parameters yet to process ... */ { // ue_context_pP->ue_context.e_rab[i].param.qos; @@ -1201,7 +1211,6 @@ rrc_eNB_generate_dedicatedRRCConnectionReconfiguration(const protocol_ctxt_t* co free(dedicatedInfoNASList); dedicatedInfoNASList = NULL; } -#endif ue_context_pP->ue_context.e_rab[i].status = E_RAB_STATUS_DONE; @@ -1788,7 +1797,8 @@ rrc_eNB_generate_defaultRRCConnectionReconfiguration(const protocol_ctxt_t* cons if (ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer != NULL) { dedicatedInfoNas = CALLOC(1, sizeof(DedicatedInfoNAS_t)); memset(dedicatedInfoNas, 0, sizeof(OCTET_STRING_t)); - OCTET_STRING_fromBuf(dedicatedInfoNas, (char*)ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer, + OCTET_STRING_fromBuf(dedicatedInfoNas, + (char*)ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer, ue_context_pP->ue_context.e_rab[i].param.nas_pdu.length); ASN_SEQUENCE_ADD(&dedicatedInfoNASList->list, dedicatedInfoNas); } diff --git a/openair2/RRC/LITE/rrc_eNB_GTPV1U.c b/openair2/RRC/LITE/rrc_eNB_GTPV1U.c index b85933ad47525290d2ccbaeeb01f05672c57fe52..85544c983327bf8375f1386a57881b20224f7fed 100755 --- a/openair2/RRC/LITE/rrc_eNB_GTPV1U.c +++ b/openair2/RRC/LITE/rrc_eNB_GTPV1U.c @@ -68,14 +68,19 @@ rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP( ctxt_pP->rnti); for (i = 0; i < create_tunnel_resp_pP->num_tunnels; i++) { - LOG_D(RRC, PROTOCOL_RRC_CTXT_UE_FMT" rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP tunnel %u bearer index %u id %u\n", + + ue_context_p->ue_context.enb_gtp_teid[i+ue_context_p->ue_context.setup_e_rabs] = create_tunnel_resp_pP->enb_S1u_teid[i]; + ue_context_p->ue_context.enb_gtp_addrs[i+ue_context_p->ue_context.setup_e_rabs] = create_tunnel_resp_pP->enb_addr; + ue_context_p->ue_context.enb_gtp_ebi[i+ue_context_p->ue_context.setup_e_rabs] = create_tunnel_resp_pP->eps_bearer_id[i]; + + LOG_I(RRC, PROTOCOL_RRC_CTXT_UE_FMT" rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP tunnel (%u, %u) bearer UE context index %u, msg index %u, id %u, gtp addr len %d \n", PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP), create_tunnel_resp_pP->enb_S1u_teid[i], - i, - create_tunnel_resp_pP->eps_bearer_id[i]); - ue_context_p->ue_context.enb_gtp_teid[i] = create_tunnel_resp_pP->enb_S1u_teid[i]; - ue_context_p->ue_context.enb_gtp_addrs[i] = create_tunnel_resp_pP->enb_addr; - ue_context_p->ue_context.enb_gtp_ebi[i] = create_tunnel_resp_pP->eps_bearer_id[i]; + ue_context_p->ue_context.enb_gtp_teid[i+ue_context_p->ue_context.setup_e_rabs], + i+ue_context_p->ue_context.setup_e_rabs, + i, + create_tunnel_resp_pP->eps_bearer_id[i], + create_tunnel_resp_pP->enb_addr.length); } MSC_LOG_RX_MESSAGE( MSC_RRC_ENB, diff --git a/openair2/RRC/LITE/rrc_eNB_S1AP.c b/openair2/RRC/LITE/rrc_eNB_S1AP.c index da5c749b119e04fe8ea810fc0b89cfe4c6b8bd81..23ec2d2b749ec431b2df83607890ecdd00fb24f2 100644 --- a/openair2/RRC/LITE/rrc_eNB_S1AP.c +++ b/openair2/RRC/LITE/rrc_eNB_S1AP.c @@ -844,93 +844,6 @@ rrc_eNB_process_S1AP_DOWNLINK_NAS( return (0); } } -int rrc_eNB_process_S1AP_E_RAB_SETUP_REQ(MessageDef *msg_p, const char *msg_name, instance_t instance) -{ - uint16_t ue_initial_id; - uint32_t eNB_ue_s1ap_id; - MessageDef *message_gtpv1u_p = NULL; - gtpv1u_enb_create_tunnel_req_t create_tunnel_req; - gtpv1u_enb_create_tunnel_resp_t create_tunnel_resp; - - struct rrc_eNB_ue_context_s* ue_context_p = NULL; - protocol_ctxt_t ctxt; - ue_initial_id = S1AP_E_RAB_SETUP_REQ (msg_p).ue_initial_id; - eNB_ue_s1ap_id = S1AP_E_RAB_SETUP_REQ (msg_p).eNB_ue_s1ap_id; - ue_context_p = rrc_eNB_get_ue_context_from_s1ap_ids(instance, ue_initial_id, eNB_ue_s1ap_id); - LOG_I(RRC, "[eNB %d] Received %s: ue_initial_id %d, eNB_ue_s1ap_id %d, nb_of_e_rabs %d\n", - instance, msg_name, ue_initial_id, eNB_ue_s1ap_id, S1AP_E_RAB_SETUP_REQ (msg_p).nb_e_rabs_tosetup); - - if (ue_context_p == NULL) { - /* Can not associate this message to an UE index, send a failure to S1AP and discard it! */ - MessageDef *msg_fail_p = NULL; - - LOG_W(RRC, "[eNB %d] In S1AP_E_RAB_SETUP_REQ: unknown UE from S1AP ids (%d, %d)\n", instance, ue_initial_id, eNB_ue_s1ap_id); - - msg_fail_p = itti_alloc_new_message (TASK_RRC_ENB, S1AP_E_RAB_SETUP_REQUEST_FAIL); - S1AP_E_RAB_SETUP_REQ (msg_fail_p).eNB_ue_s1ap_id = eNB_ue_s1ap_id; - - // TODO add failure cause when defined! - - itti_send_msg_to_task (TASK_S1AP, instance, msg_fail_p); - return (-1); - } else { - - PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt, instance, ENB_FLAG_YES, ue_context_p->ue_context.rnti, 0, 0); - ue_context_p->ue_context.eNB_ue_s1ap_id = S1AP_E_RAB_SETUP_REQ (msg_p).eNB_ue_s1ap_id; - - /* Save e RAB information for later */ - { - int i; - - memset(&create_tunnel_req, 0 , sizeof(create_tunnel_req)); - uint8_t nb_e_rabs_tosetup = S1AP_E_RAB_SETUP_REQ (msg_p).nb_e_rabs_tosetup; - - // keep the previous bearer - for (i = ue_context_p->ue_context.setup_e_rabs; - i < ue_context_p->ue_context.setup_e_rabs + nb_e_rabs_tosetup; - i++) { - if (ue_context_p->ue_context.e_rab[i].status == E_RAB_STATUS_DONE) - LOG_W(RRC,"E-RAB already configured, reconfiguring\n"); - ue_context_p->ue_context.e_rab[i].status = E_RAB_STATUS_NEW; - ue_context_p->ue_context.e_rab[i].param = S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[i]; - - - create_tunnel_req.eps_bearer_id[i] = S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[i].e_rab_id; - create_tunnel_req.sgw_S1u_teid[i] = S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[i].gtp_teid; - - memcpy(&create_tunnel_req.sgw_addr[i], - & S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[i].sgw_addr, - sizeof(transport_layer_addr_t)); - - } - ue_context_p->ue_context.nb_of_e_rabs=nb_e_rabs_tosetup; - ue_context_p->ue_context.setup_e_rabs+=nb_e_rabs_tosetup; - - create_tunnel_req.rnti = ue_context_p->ue_context.rnti; // warning put zero above - create_tunnel_req.num_tunnels = i; - - // NN: not sure if we should create a new tunnel: need to check teid, etc. - gtpv1u_create_s1u_tunnel( - instance, - &create_tunnel_req, - &create_tunnel_resp); - - rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP( - &ctxt, - &create_tunnel_resp); - - } - - /* TODO parameters yet to process ... */ - { - // S1AP_INITIAL_CONTEXT_SETUP_REQ(msg_p).ue_ambr; - } - - rrc_eNB_generate_dedicatedRRCConnectionReconfiguration(&ctxt, ue_context_p, 0); - - return (0); - } -} /*------------------------------------------------------------------------------*/ int rrc_eNB_process_S1AP_INITIAL_CONTEXT_SETUP_REQ(MessageDef *msg_p, const char *msg_name, instance_t instance) @@ -986,9 +899,7 @@ int rrc_eNB_process_S1AP_INITIAL_CONTEXT_SETUP_REQ(MessageDef *msg_p, const char &S1AP_INITIAL_CONTEXT_SETUP_REQ (msg_p).e_rab_param[i].sgw_addr, sizeof(transport_layer_addr_t)); } - - ue_context_p->ue_context.setup_e_rabs =ue_context_p->ue_context.nb_of_e_rabs; - + create_tunnel_req.rnti = ue_context_p->ue_context.rnti; // warning put zero above create_tunnel_req.num_tunnels = i; @@ -999,7 +910,8 @@ int rrc_eNB_process_S1AP_INITIAL_CONTEXT_SETUP_REQ(MessageDef *msg_p, const char rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP( &ctxt, - &create_tunnel_resp); + &create_tunnel_resp); + ue_context_p->ue_context.setup_e_rabs =ue_context_p->ue_context.nb_of_e_rabs; } /* TODO parameters yet to process ... */ @@ -1308,6 +1220,101 @@ int rrc_eNB_process_S1AP_UE_CONTEXT_RELEASE_COMMAND (MessageDef *msg_p, const ch } } +int rrc_eNB_process_S1AP_E_RAB_SETUP_REQ(MessageDef *msg_p, const char *msg_name, instance_t instance) +{ + uint16_t ue_initial_id; + uint32_t eNB_ue_s1ap_id; + MessageDef *message_gtpv1u_p = NULL; + gtpv1u_enb_create_tunnel_req_t create_tunnel_req; + gtpv1u_enb_create_tunnel_resp_t create_tunnel_resp; + + struct rrc_eNB_ue_context_s* ue_context_p = NULL; + protocol_ctxt_t ctxt; + ue_initial_id = S1AP_E_RAB_SETUP_REQ (msg_p).ue_initial_id; + eNB_ue_s1ap_id = S1AP_E_RAB_SETUP_REQ (msg_p).eNB_ue_s1ap_id; + ue_context_p = rrc_eNB_get_ue_context_from_s1ap_ids(instance, ue_initial_id, eNB_ue_s1ap_id); + LOG_I(RRC, "[eNB %d] Received %s: ue_initial_id %d, eNB_ue_s1ap_id %d, nb_of_e_rabs %d\n", + instance, msg_name, ue_initial_id, eNB_ue_s1ap_id, S1AP_E_RAB_SETUP_REQ (msg_p).nb_e_rabs_tosetup); + + if (ue_context_p == NULL) { + /* Can not associate this message to an UE index, send a failure to S1AP and discard it! */ + MessageDef *msg_fail_p = NULL; + + LOG_W(RRC, "[eNB %d] In S1AP_E_RAB_SETUP_REQ: unknown UE from S1AP ids (%d, %d)\n", instance, ue_initial_id, eNB_ue_s1ap_id); + + msg_fail_p = itti_alloc_new_message (TASK_RRC_ENB, S1AP_E_RAB_SETUP_REQUEST_FAIL); + S1AP_E_RAB_SETUP_REQ (msg_fail_p).eNB_ue_s1ap_id = eNB_ue_s1ap_id; + + // TODO add failure cause when defined! + + itti_send_msg_to_task (TASK_S1AP, instance, msg_fail_p); + return (-1); + } else { + + PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt, instance, ENB_FLAG_YES, ue_context_p->ue_context.rnti, 0, 0); + ue_context_p->ue_context.eNB_ue_s1ap_id = S1AP_E_RAB_SETUP_REQ (msg_p).eNB_ue_s1ap_id; + + /* Save e RAB information for later */ + { + int i; + + memset(&create_tunnel_req, 0 , sizeof(create_tunnel_req)); + uint8_t nb_e_rabs_tosetup = S1AP_E_RAB_SETUP_REQ (msg_p).nb_e_rabs_tosetup; + + // keep the previous bearer + // the index for the rec + for (i = 0; + i < nb_e_rabs_tosetup; + i++) { + if (ue_context_p->ue_context.e_rab[i+ue_context_p->ue_context.setup_e_rabs].status == E_RAB_STATUS_DONE) + LOG_W(RRC,"E-RAB already configured, reconfiguring\n"); + ue_context_p->ue_context.e_rab[i+ue_context_p->ue_context.setup_e_rabs].status = E_RAB_STATUS_NEW; + ue_context_p->ue_context.e_rab[i+ue_context_p->ue_context.setup_e_rabs].param = S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[i]; + + + create_tunnel_req.eps_bearer_id[i] = S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[i].e_rab_id; + create_tunnel_req.sgw_S1u_teid[i] = S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[i].gtp_teid; + + memcpy(&create_tunnel_req.sgw_addr[i], + & S1AP_E_RAB_SETUP_REQ (msg_p).e_rab_setup_params[i].sgw_addr, + sizeof(transport_layer_addr_t)); + + LOG_I(RRC,"E_RAB setup REQ: local index %d teid %u, eps id %d \n", + i+ue_context_p->ue_context.setup_e_rabs, + create_tunnel_req.sgw_S1u_teid[i], + create_tunnel_req.eps_bearer_id[i] ); + } + ue_context_p->ue_context.nb_of_e_rabs=nb_e_rabs_tosetup; + + + create_tunnel_req.rnti = ue_context_p->ue_context.rnti; // warning put zero above + create_tunnel_req.num_tunnels = i; + + // NN: not sure if we should create a new tunnel: need to check teid, etc. + gtpv1u_create_s1u_tunnel( + instance, + &create_tunnel_req, + &create_tunnel_resp); + + rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP( + &ctxt, + &create_tunnel_resp); + + ue_context_p->ue_context.setup_e_rabs+=nb_e_rabs_tosetup; + + } + + /* TODO parameters yet to process ... */ + { + // S1AP_INITIAL_CONTEXT_SETUP_REQ(msg_p).ue_ambr; + } + + rrc_eNB_generate_dedicatedRRCConnectionReconfiguration(&ctxt, ue_context_p, 0); + + return (0); + } +} + rrc_eNB_send_S1AP_E_RAB_SETUP_RESP(const protocol_ctxt_t* const ctxt_pP, rrc_eNB_ue_context_t* const ue_context_pP){ @@ -1315,28 +1322,48 @@ rrc_eNB_send_S1AP_E_RAB_SETUP_RESP(const protocol_ctxt_t* const ctxt_pP, int e_rab; int e_rabs_done = 0; int e_rabs_failed = 0; - + int established_e_rab_index=0; + msg_p = itti_alloc_new_message (TASK_RRC_ENB, S1AP_E_RAB_SETUP_RESP); S1AP_E_RAB_SETUP_RESP (msg_p).eNB_ue_s1ap_id = ue_context_pP->ue_context.eNB_ue_s1ap_id; - for (e_rab = ue_context_pP->ue_context.setup_e_rabs - ue_context_pP->ue_context.nb_of_e_rabs; - e_rab < ue_context_pP->ue_context.setup_e_rabs; e_rab++) { - if (ue_context_pP->ue_context.e_rab[e_rab].status == E_RAB_STATUS_DONE) { + established_e_rab_index=ue_context_pP->ue_context.setup_e_rabs - ue_context_pP->ue_context.nb_of_e_rabs; + + for (e_rab = 0; e_rab < ue_context_pP->ue_context.nb_of_e_rabs ; e_rab++) { + + + /* if (ue_context_pP->ue_context.e_rab[e_rab].status == E_RAB_STATUS_ESTABLISHED) + continue; + else + */ + if (ue_context_pP->ue_context.e_rab[e_rab+established_e_rab_index].status == E_RAB_STATUS_DONE) { e_rabs_done++; - S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs[e_rab].e_rab_id = ue_context_pP->ue_context.e_rab[e_rab].param.e_rab_id; + S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs[e_rab].e_rab_id = ue_context_pP->ue_context.e_rab[e_rab+established_e_rab_index].param.e_rab_id; // TODO add other information from S1-U when it will be integrated - S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs[e_rab].gtp_teid = ue_context_pP->ue_context.enb_gtp_teid[e_rab]; - S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs[e_rab].eNB_addr = ue_context_pP->ue_context.enb_gtp_addrs[e_rab]; - S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs[e_rab].eNB_addr.length = 4; + S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs[e_rab].gtp_teid = ue_context_pP->ue_context.enb_gtp_teid[e_rab+established_e_rab_index]; + S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs[e_rab].eNB_addr = ue_context_pP->ue_context.enb_gtp_addrs[e_rab+established_e_rab_index]; + //S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs[e_rab].eNB_addr.length += 4; ue_context_pP->ue_context.e_rab[e_rab].status = E_RAB_STATUS_ESTABLISHED; + + LOG_I (RRC,"enb_gtp_addr (msg index %d, local index %d, status %d): nb_of_e_rabs %d, e_rab_id %d, teid: %u, addr: %d.%d.%d.%d \n ", + e_rab,established_e_rab_index, ue_context_pP->ue_context.e_rab[e_rab+established_e_rab_index].status, + ue_context_pP->ue_context.nb_of_e_rabs, + S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs[e_rab].e_rab_id, + S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs[e_rab].gtp_teid, + S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs[e_rab].eNB_addr.buffer[0], + S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs[e_rab].eNB_addr.buffer[1], + S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs[e_rab].eNB_addr.buffer[2], + S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs[e_rab].eNB_addr.buffer[3]); } else { e_rabs_failed++; ue_context_pP->ue_context.e_rab[e_rab].status = E_RAB_STATUS_FAILED; - S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs_failed[e_rab].e_rab_id = ue_context_pP->ue_context.e_rab[e_rab].param.e_rab_id; + S1AP_E_RAB_SETUP_RESP (msg_p).e_rabs_failed[e_rab].e_rab_id = ue_context_pP->ue_context.e_rab[e_rab+established_e_rab_index].param.e_rab_id; // TODO add cause when it will be integrated } } - + + LOG_I(RRC,"S1AP_E_RAB_SETUP_RESP: nb_of_erabs %d, total e_rabs %d, index %d, \n", + ue_context_pP->ue_context.nb_of_e_rabs, ue_context_pP->ue_context.setup_e_rabs, established_e_rab_index); MSC_LOG_TX_MESSAGE( MSC_RRC_ENB, MSC_S1AP_ENB, diff --git a/openair3/S1AP/s1ap_common.c b/openair3/S1AP/s1ap_common.c index 055641d12e529b532eb7e71718b0dcd0203f6023..dabde30b165b1a5320d4bfa901d6187b787b60c9 100644 --- a/openair3/S1AP/s1ap_common.c +++ b/openair3/S1AP/s1ap_common.c @@ -29,8 +29,9 @@ /*! \file s1ap_common.c * \brief s1ap procedures for both eNB and MME - * \author Sebastien ROUX <sebastien.roux@eurecom.fr> - * \date 2012 + * \author Sebastien ROUX and Navid Nikaein + * \email navid.nikaein@eurecom.fr + * \date 2012-2015 * \version 0.1 */ diff --git a/openair3/S1AP/s1ap_eNB.c b/openair3/S1AP/s1ap_eNB.c index 0b1eee094d743dfc2dd484fc672db5c15066f780..8af891a2b64e5de674c9b506d132c9e3166d6793 100644 --- a/openair3/S1AP/s1ap_eNB.c +++ b/openair3/S1AP/s1ap_eNB.c @@ -26,6 +26,15 @@ Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France. *******************************************************************************/ +/*! \file s1ap_eNB.c + * \brief S1AP eNB task + * \author S. Roux and Navid Nikaein + * \date 2010 - 2015 + * \email: navid.nikaein@eurecom.fr + * \version 1.0 + * @ingroup _s1ap + + */ #include <pthread.h> #include <stdio.h> diff --git a/openair3/S1AP/s1ap_eNB_context_management_procedures.c b/openair3/S1AP/s1ap_eNB_context_management_procedures.c index 801dfd8780aa9769f88a94446c88c8a65c479d39..8bf5d0a313a5d283601614a555f0200ddd9bd065 100755 --- a/openair3/S1AP/s1ap_eNB_context_management_procedures.c +++ b/openair3/S1AP/s1ap_eNB_context_management_procedures.c @@ -26,7 +26,14 @@ Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France. *******************************************************************************/ - +/*! \file s1ap_eNB_context_management_procedures.c + * \brief S1AP context management procedures + * \author S. Roux and Navid Nikaein + * \date 2010 - 2015 + * \email: navid.nikaein@eurecom.fr + * \version 1.0 + * @ingroup _s1ap + */ #include <stdio.h> #include <stdlib.h> #include <stdint.h> diff --git a/openair3/S1AP/s1ap_eNB_decoder.c b/openair3/S1AP/s1ap_eNB_decoder.c index 0c4a70a204b627310174c10b1208e0385f6e2494..f212b08478053cb31c4d9c36ac0afd593461f786 100644 --- a/openair3/S1AP/s1ap_eNB_decoder.c +++ b/openair3/S1AP/s1ap_eNB_decoder.c @@ -29,8 +29,9 @@ /*! \file s1ap_eNB_decoder.c * \brief s1ap pdu decode procedures for eNB - * \author Sebastien ROUX <sebastien.roux@eurecom.fr> - * \date 2013 + * \author Sebastien ROUX and Navid Nikaein + * \email navid.nikaein@eurecom.fr + * \date 2013 - 2015 * \version 0.1 */ @@ -123,11 +124,25 @@ static int s1ap_eNB_decode_initiating_message(s1ap_message *message, case S1ap_ProcedureCode_id_E_RABSetup: ret = s1ap_decode_s1ap_e_rabsetuprequesties( &message->msg.s1ap_E_RABSetupRequestIEs, &initiating_p->value); - s1ap_xer_print_s1ap_paging(s1ap_xer__print2sp, message_string, message); - //message_id = S1AP_E_RABSETUP_REQ_LOG; - S1AP_ERROR("TODO E_RABSetup initiating message\n"); + s1ap_xer_print_s1ap_e_rabsetuprequest(s1ap_xer__print2sp, message_string, message); + message_id = S1AP_E_RAB_SETUP_REQUEST_LOG; + message_string_size = strlen(message_string); + message_p = itti_alloc_new_message_sized(TASK_S1AP, + message_id, + message_string_size + sizeof (IttiMsgText)); + message_p->ittiMsg.s1ap_e_rab_setup_request_log.size = message_string_size; + memcpy(&message_p->ittiMsg.s1ap_e_rab_setup_request_log.text, message_string, message_string_size); + itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p); free(message_string); + S1AP_INFO("E_RABSetup initiating message\n"); break; + case S1ap_ProcedureCode_id_E_RABRelease: + ret = s1ap_decode_s1ap_e_rabreleasecommandies(&message->msg.s1ap_E_RABReleaseCommandIEs, + &initiating_p->value); + s1ap_xer_print_s1ap_e_rabsetuprequest(s1ap_xer__print2sp, message_string, message); + S1AP_ERROR("TODO E_RABReleas initiating message\n"); + free(message_string); + default: S1AP_ERROR("Unknown procedure ID (%d) for initiating message\n", (int)initiating_p->procedureCode); diff --git a/openair3/S1AP/s1ap_eNB_encoder.c b/openair3/S1AP/s1ap_eNB_encoder.c index a93bdc68f2023f981e5ad9e86221c028bcf5fd23..58f7cc175342ff46e703c01d73d07934e3fe4e5c 100644 --- a/openair3/S1AP/s1ap_eNB_encoder.c +++ b/openair3/S1AP/s1ap_eNB_encoder.c @@ -29,8 +29,9 @@ /*! \file s1ap_eNB_encoder.c * \brief s1ap pdu encode procedures for eNB - * \author Sebastien ROUX <sebastien.roux@eurecom.fr> - * \date 2013 + * \author Sebastien ROUX and Navid Nikaein + * \email navid.nikaein@eurecom.fr + * \date 2013 - 2015 * \version 0.1 */ @@ -38,6 +39,8 @@ #include <string.h> #include <stdint.h> +#include "assertions.h" + #include "conversions.h" #include "intertask_interface.h" @@ -100,6 +103,11 @@ int s1ap_eNB_encode_ue_context_release_request( uint8_t **buffer, uint32_t *length); +static inline +int s1ap_eNB_encode_e_rab_setup_response(S1ap_E_RABSetupResponseIEs_t *E_RABSetupResponseIEs, + uint8_t **buffer, + uint32_t *length); + int s1ap_eNB_encode_pdu(s1ap_message *message, uint8_t **buffer, uint32_t *len) { DevAssert(message != NULL); @@ -251,8 +259,21 @@ int s1ap_eNB_encode_successfull_outcome(s1ap_message *s1ap_message_p, free(message_string); break; + case S1ap_ProcedureCode_id_E_RABSetup: + + ret = s1ap_eNB_encode_e_rab_setup_response ( + &s1ap_message_p->msg.s1ap_E_RABSetupResponseIEs, buffer, len); + //s1ap_xer_print_s1ap_e_rabsetupresponse (s1ap_xer__print2sp, message_string, s1ap_message_p); + message_id = S1AP_E_RAB_SETUP_RESPONSE_LOG ; + message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, message_string_size + sizeof (IttiMsgText)); + message_p->ittiMsg.s1ap_e_rab_setup_response_log.size = message_string_size; + memcpy(&message_p->ittiMsg.s1ap_e_rab_setup_response_log.text, message_string, message_string_size); + itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p); + free(message_string); + S1AP_INFO("E_RABSetup successful message\n"); + break; default: - S1AP_DEBUG("Unknown procedure ID (%d) for successfull outcome message\n", + S1AP_WARN("Unknown procedure ID (%d) for successfull outcome message\n", (int)s1ap_message_p->procedureCode); return ret; break; @@ -528,3 +549,25 @@ int s1ap_eNB_encode_ue_context_release_request( ue_context_release_request_p); } +static inline +int s1ap_eNB_encode_e_rab_setup_response(S1ap_E_RABSetupResponseIEs_t *s1ap_E_RABSetupResponseIEs, + uint8_t **buffer, + uint32_t *length) +{ + S1ap_E_RABSetupResponse_t e_rab_setup_response; + S1ap_E_RABSetupResponse_t *e_rab_setup_response_p = &e_rab_setup_response; + + memset((void *)e_rab_setup_response_p, 0, + sizeof(e_rab_setup_response)); + + if (s1ap_encode_s1ap_e_rabsetupresponseies (e_rab_setup_response_p, s1ap_E_RABSetupResponseIEs) < 0) { + return -1; + } + + return s1ap_generate_successfull_outcome(buffer, + length, + S1ap_ProcedureCode_id_E_RABSetup, + S1ap_Criticality_reject, + &asn_DEF_S1ap_E_RABSetupResponse, + e_rab_setup_response_p); +} diff --git a/openair3/S1AP/s1ap_eNB_handlers.c b/openair3/S1AP/s1ap_eNB_handlers.c index 45cf8f4cea9a27fc0b86417566bb6becb922b247..752e6513c35ed90c13a127efb5cc4239a1630c99 100644 --- a/openair3/S1AP/s1ap_eNB_handlers.c +++ b/openair3/S1AP/s1ap_eNB_handlers.c @@ -29,8 +29,9 @@ /*! \file s1ap_eNB_handlers.c * \brief s1ap messages handlers for eNB part - * \author Sebastien ROUX <sebastien.roux@eurecom.fr> - * \date 2013 + * \author Sebastien ROUX and Navid Nikaein + * \email navid.nikaein@eurecom.fr + * \date 2013 - 2015 * \version 0.1 */ @@ -963,6 +964,11 @@ int s1ap_eNB_handle_e_rab_setup_request(uint32_t assoc_id, S1AP_E_RAB_SETUP_REQ(message_p).e_rab_setup_params[i].sgw_addr.length = item_p->transportLayerAddress.size * 8 - item_p->transportLayerAddress.bits_unused; + /* S1AP_INFO("sgw addr %s len: %d (size %d, index %d)\n", + S1AP_E_RAB_SETUP_REQ(message_p).e_rab_setup_params[i].sgw_addr.buffer, + S1AP_E_RAB_SETUP_REQ(message_p).e_rab_setup_params[i].sgw_addr.length, + item_p->transportLayerAddress.size, i); + */ /* GTP tunnel endpoint ID */ OCTET_STRING_TO_INT32(&item_p->gTP_TEID, S1AP_E_RAB_SETUP_REQ(message_p).e_rab_setup_params[i].gtp_teid); diff --git a/openair3/S1AP/s1ap_eNB_nas_procedures.c b/openair3/S1AP/s1ap_eNB_nas_procedures.c index e54a04f00991e77409b0b7d8943dd4a363f7c67a..b8412e20891854bb0d11581f16fc89f0309ac95e 100644 --- a/openair3/S1AP/s1ap_eNB_nas_procedures.c +++ b/openair3/S1AP/s1ap_eNB_nas_procedures.c @@ -26,7 +26,14 @@ Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France. *******************************************************************************/ - +/*! \file s1ap_eNB_nas_procedures.c + * \brief S1AP eNb NAS procedure handler + * \author S. Roux and Navid Nikaein + * \date 2010 - 2015 + * \email: navid.nikaein@eurecom.fr + * \version 1.0 + * @ingroup _s1ap + */ #include <stdio.h> #include <stdlib.h> #include <stdint.h> @@ -579,6 +586,14 @@ int s1ap_eNB_initial_ctxt_resp( new_item->transportLayerAddress.size = initial_ctxt_resp_p->e_rabs[i].eNB_addr.length; new_item->transportLayerAddress.bits_unused = 0; + S1AP_DEBUG("initial_ctxt_resp_p: e_rab ID %d, enb_addr %d.%d.%d.%d, SIZE %d \n", + new_item->e_RAB_ID, + new_item->transportLayerAddress.buf[0], + new_item->transportLayerAddress.buf[1], + new_item->transportLayerAddress.buf[2], + new_item->transportLayerAddress.buf[3], + new_item->transportLayerAddress.size); + ASN_SEQUENCE_ADD(&initial_ies_p->e_RABSetupListCtxtSURes.s1ap_E_RABSetupItemCtxtSURes, new_item); } @@ -695,7 +710,7 @@ int s1ap_eNB_e_rab_setup_resp(instance_t instance, struct s1ap_eNB_ue_context_s *ue_context_p = NULL; S1ap_E_RABSetupResponseIEs_t *initial_ies_p = NULL; - + s1ap_message message; uint8_t *buffer = NULL; @@ -727,39 +742,85 @@ int s1ap_eNB_e_rab_setup_resp(instance_t instance, e_rab_setup_resp_p->eNB_ue_s1ap_id, ue_context_p->ue_state); return -1; } - + /* Prepare the S1AP message to encode */ memset(&message, 0, sizeof(s1ap_message)); message.direction = S1AP_PDU_PR_successfulOutcome; message.procedureCode = S1ap_ProcedureCode_id_E_RABSetup; + message.criticality = S1ap_Criticality_reject; initial_ies_p = &message.msg.s1ap_E_RABSetupResponseIEs; - + initial_ies_p->eNB_UE_S1AP_ID = e_rab_setup_resp_p->eNB_ue_s1ap_id; initial_ies_p->mme_ue_s1ap_id = ue_context_p->mme_ue_s1ap_id; - - for (i = 0; i < e_rab_setup_resp_p->nb_of_e_rabs; i++) { + + if ( e_rab_setup_resp_p->nb_of_e_rabs >= 1 ) + initial_ies_p->presenceMask |= S1AP_E_RABSETUPRESPONSEIES_E_RABSETUPLISTBEARERSURES_PRESENT; + + for (i = 0; i < e_rab_setup_resp_p->nb_of_e_rabs; i++) { S1ap_E_RABSetupItemBearerSURes_t *new_item; new_item = calloc(1, sizeof(S1ap_E_RABSetupItemBearerSURes_t)); new_item->e_RAB_ID = e_rab_setup_resp_p->e_rabs[i].e_rab_id; GTP_TEID_TO_ASN1(e_rab_setup_resp_p->e_rabs[i].gtp_teid, &new_item->gTP_TEID); - new_item->transportLayerAddress.buf = e_rab_setup_resp_p->e_rabs[i].eNB_addr.buffer; + + /* + new_item->transportLayerAddress.buf = MALLOC(e_rab_setup_resp_p->e_rabs[i].eNB_addr.length); + memcpy (new_item->transportLayerAddress.buf, + e_rab_setup_resp_p->e_rabs[i].eNB_addr.buffer, + e_rab_setup_resp_p->e_rabs[i].eNB_addr.length); + + */ + /* + new_item->transportLayerAddress.buf[0] = e_rab_setup_resp_p->e_rabs[i].eNB_addr.buffer[0]; + new_item->transportLayerAddress.buf[1] = e_rab_setup_resp_p->e_rabs[i].eNB_addr.buffer[1]; + new_item->transportLayerAddress.buf[2] = e_rab_setup_resp_p->e_rabs[i].eNB_addr.buffer[2]; + new_item->transportLayerAddress.buf[3] = e_rab_setup_resp_p->e_rabs[i].eNB_addr.buffer[3]; + */ + new_item->transportLayerAddress.buf = e_rab_setup_resp_p->e_rabs[i].eNB_addr.buffer; new_item->transportLayerAddress.size = e_rab_setup_resp_p->e_rabs[i].eNB_addr.length; new_item->transportLayerAddress.bits_unused = 0; - + + S1AP_DEBUG("e_rab_setup_resp: e_rab ID %d, teid %u, enb_addr %d.%d.%d.%d, SIZE %d\n", + new_item->e_RAB_ID, + e_rab_setup_resp_p->e_rabs[i].gtp_teid, + new_item->transportLayerAddress.buf[0], + new_item->transportLayerAddress.buf[1], + new_item->transportLayerAddress.buf[2], + new_item->transportLayerAddress.buf[3], + new_item->transportLayerAddress.size); + + S1ap_IE_t *ie = s1ap_new_ie(S1ap_ProtocolIE_ID_id_E_RABSetupItemBearerSURes, + S1ap_Criticality_ignore, + &asn_DEF_S1ap_E_RABSetupItemBearerSURes, + new_item); + /* + S1ap_IE_t *ie = s1ap_new_ie(S1ap_ProtocolIE_ID_id_E_RABSetupListBearerSURes, + S1ap_Criticality_ignore, + &asn_DEF_S1ap_E_RABSetupListBearerSURes, + new_item); + */ ASN_SEQUENCE_ADD(&initial_ies_p->e_RABSetupListBearerSURes.s1ap_E_RABSetupItemBearerSURes, - new_item); + ie); } - + + /* S1ap_E_RABSetupListBearerSURes_t e_RABSetupListBearerSURes; + memset(&e_RABSetupListBearerSURes, 0, sizeof(S1ap_E_RABSetupListBearerSURes_t)); + if (s1ap_encode_s1ap_e_rabsetuplistbearersures(&e_RABSetupListBearerSURes, &initial_ies_p->e_RABSetupListBearerSURes.s1ap_E_RABSetupItemBearerSURes) < 0 ) + return -1; + ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_S1ap_E_RABSetupListBearerSURes, &e_RABSetupListBearerSURes); + */ + fprintf(stderr, "start encode\n"); if (s1ap_eNB_encode_pdu(&message, &buffer, &length) < 0) { - S1AP_ERROR("Failed to encode uplink NAS transport\n"); + S1AP_ERROR("Failed to encode uplink transport\n"); /* Encode procedure has failed... */ return -1; } + + MSC_LOG_TX_MESSAGE( MSC_S1AP_ENB, MSC_S1AP_MME,