mirror of https://github.com/PentHertz/srsLTE.git
Changing pack accept
This commit is contained in:
parent
3663d59920
commit
c1eff4ce73
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@ -188,11 +188,11 @@ public:
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bool integrity_check( emm_ctx_t *emm_ctx, srslte::byte_buffer_t *pdu);
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bool short_integrity_check( emm_ctx_t *emm_ctx, srslte::byte_buffer_t *pdu);
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private:
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/* UE Context*/
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emm_ctx_t m_emm_ctx;
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ecm_ctx_t m_ecm_ctx;
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esm_ctx_t m_esm_ctx[MAX_ERABS_PER_UE];
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sec_ctx_t sec_ctx;
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sec_ctx_t m_sec_ctx;
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};
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}//namespace
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@ -47,7 +47,7 @@ public:
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void init(void);
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bool send_initial_context_setup_request(nas *nas_ctx);
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bool send_initial_context_setup_request(nas *nas_ctx, uint16_t erab_to_setup);
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bool handle_initial_context_setup_response(LIBLTE_S1AP_MESSAGE_INITIALCONTEXTSETUPRESPONSE_STRUCT *in_ctxt_resp);
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bool handle_ue_context_release_request(LIBLTE_S1AP_MESSAGE_UECONTEXTRELEASEREQUEST_STRUCT *ue_rel, struct sctp_sndrcvinfo *enb_sri, srslte::byte_buffer_t *reply_buffer, bool *reply_flag);
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bool send_ue_context_release_command(ecm_ctx_t *ecm_ctx, srslte::byte_buffer_t *reply_buffer);
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@ -100,7 +100,7 @@ nas::handle_nas_imsi_attach_request(uint32_t enb_ue_s1ap_id,
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struct sctp_sndrcvinfo *enb_sri)
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{
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uint8_t k_asme[32];
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uint8_t autn[16];
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uint8_t autn[16];
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uint8_t rand[16];
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uint8_t xres[8];
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@ -114,7 +114,7 @@ nas::handle_nas_imsi_attach_request(uint32_t enb_ue_s1ap_id,
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imsi += attach_req.eps_mobile_id.imsi[i]*std::pow(10,14-i);
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}
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//Check if UE is
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//Check if UE is already atached
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ue_ctx_t *old_ctx = m_s1ap->find_ue_ctx_from_imsi(imsi);
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if(old_ctx!=NULL)
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{
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@ -227,13 +227,13 @@ nas::handle_nas_imsi_attach_request(uint32_t enb_ue_s1ap_id,
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}
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bool
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s1ap_nas_transport::handle_nas_guti_attach_request( uint32_t enb_ue_s1ap_id,
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const LIBLTE_MME_ATTACH_REQUEST_MSG_STRUCT &attach_req,
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const LIBLTE_MME_PDN_CONNECTIVITY_REQUEST_MSG_STRUCT &pdn_con_req,
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srslte::byte_buffer_t *nas_msg,
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srslte::byte_buffer_t *reply_buffer,
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bool* reply_flag,
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struct sctp_sndrcvinfo *enb_sri)
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nas::handle_nas_guti_attach_request( uint32_t enb_ue_s1ap_id,
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const LIBLTE_MME_ATTACH_REQUEST_MSG_STRUCT &attach_req,
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const LIBLTE_MME_PDN_CONNECTIVITY_REQUEST_MSG_STRUCT &pdn_con_req,
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srslte::byte_buffer_t *nas_msg,
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srslte::byte_buffer_t *reply_buffer,
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bool* reply_flag,
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struct sctp_sndrcvinfo *enb_sri)
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{
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//Parse the message security header
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uint8 pd = 0;
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@ -1301,14 +1301,14 @@ nas::pack_security_mode_command(srslte::byte_buffer_t *reply_msg, ue_emm_ctx_t *
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dw_nas->HandoverRestrictionList_present=false;
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dw_nas->SubscriberProfileIDforRFP_present=false;
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//Pack NAS PDU
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//Pack NAS PDU
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LIBLTE_MME_SECURITY_MODE_COMMAND_MSG_STRUCT sm_cmd;
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sm_cmd.selected_nas_sec_algs.type_of_eea = LIBLTE_MME_TYPE_OF_CIPHERING_ALGORITHM_EEA0;
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sm_cmd.selected_nas_sec_algs.type_of_eia = LIBLTE_MME_TYPE_OF_INTEGRITY_ALGORITHM_128_EIA1;
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sm_cmd.nas_ksi.tsc_flag=LIBLTE_MME_TYPE_OF_SECURITY_CONTEXT_FLAG_NATIVE;
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sm_cmd.nas_ksi.nas_ksi=ue_emm_ctx->security_ctxt.eksi;
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sm_cmd.nas_ksi.nas_ksi=ue_emm_ctx->security_ctxt.eksi;
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//Replay UE security cap
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memcpy(sm_cmd.ue_security_cap.eea,ue_emm_ctx->security_ctxt.ue_network_cap.eea,8*sizeof(bool));
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@ -1358,7 +1358,7 @@ nas::pack_security_mode_command(srslte::byte_buffer_t *reply_msg, ue_emm_ctx_t *
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&nas_buffer->msg[5],
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nas_buffer->N_bytes - 5,
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mac
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);
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);
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memcpy(&nas_buffer->msg[1],mac,4);
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//Copy NAS PDU to Downlink NAS Trasport message buffer
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@ -1378,7 +1378,7 @@ nas::pack_security_mode_command(srslte::byte_buffer_t *reply_msg, ue_emm_ctx_t *
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}
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bool
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s1ap_nas_transport::pack_esm_information_request(srslte::byte_buffer_t *reply_msg, ue_emm_ctx_t *ue_emm_ctx, ue_ecm_ctx_t *ue_ecm_ctx)
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nas::pack_esm_information_request(srslte::byte_buffer_t *reply_msg, ue_emm_ctx_t *ue_emm_ctx, ue_ecm_ctx_t *ue_ecm_ctx)
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{
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srslte::byte_buffer_t *nas_buffer = m_pool->allocate();
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@ -1409,8 +1409,7 @@ s1ap_nas_transport::pack_esm_information_request(srslte::byte_buffer_t *reply_ms
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ue_emm_ctx->security_ctxt.dl_nas_count++;
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LIBLTE_ERROR_ENUM err = srslte_mme_pack_esm_information_request_msg(&esm_info_req, sec_hdr_type,ue_emm_ctx->security_ctxt.dl_nas_count,(LIBLTE_BYTE_MSG_STRUCT *) nas_buffer);
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if(err != LIBLTE_SUCCESS)
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{
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if (err != LIBLTE_SUCCESS) {
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m_s1ap_log->error("Error packing ESM information request\n");
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m_s1ap_log->console("Error packing ESM information request\n");
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return false;
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@ -1427,7 +1426,7 @@ s1ap_nas_transport::pack_esm_information_request(srslte::byte_buffer_t *reply_ms
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);
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memcpy(&nas_buffer->msg[1],mac,4);
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//Copy NAS PDU to Downlink NAS Trasport message buffer
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memcpy(dw_nas->NAS_PDU.buffer, nas_buffer->msg, nas_buffer->N_bytes);
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dw_nas->NAS_PDU.n_octets = nas_buffer->N_bytes;
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@ -1446,12 +1445,11 @@ s1ap_nas_transport::pack_esm_information_request(srslte::byte_buffer_t *reply_ms
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}
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bool
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s1ap_nas_transport::pack_attach_accept(ue_emm_ctx_t *ue_emm_ctx, ue_ecm_ctx_t *ue_ecm_ctx, LIBLTE_S1AP_E_RABTOBESETUPITEMCTXTSUREQ_STRUCT *erab_ctxt, struct srslte::gtpc_pdn_address_allocation_ie *paa, srslte::byte_buffer_t *nas_buffer) {
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nas::pack_attach_accept(LIBLTE_S1AP_E_RABTOBESETUPITEMCTXTSUREQ_STRUCT *erab_ctxt, struct srslte::gtpc_pdn_address_allocation_ie *paa, srslte::byte_buffer_t *nas_buffer)
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{
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m_nas_log->info("Packing Attach Accept\n");
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LIBLTE_MME_ATTACH_ACCEPT_MSG_STRUCT attach_accept;
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LIBLTE_MME_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT act_def_eps_bearer_context_req;
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//bzero(&act_def_eps_bearer_context_req,sizeof(LIBLTE_MME_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT));
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m_s1ap_log->info("Packing Attach Accept\n");
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//Get decimal MCC and MNC
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uint32_t mcc = 0;
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@ -79,7 +79,7 @@ s1ap_ctx_mngmt_proc::init(void)
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}
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bool
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s1ap_ctx_mngmt_proc::send_initial_context_setup_request(nas *nas_ctx)
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s1ap_ctx_mngmt_proc::send_initial_context_setup_request(nas *nas_ctx, uint16_t erab_to_setup)
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{
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//Prepare reply PDU
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LIBLTE_S1AP_S1AP_PDU_STRUCT pdu;
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@ -93,6 +93,12 @@ s1ap_ctx_mngmt_proc::send_initial_context_setup_request(nas *nas_ctx)
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LIBLTE_S1AP_MESSAGE_INITIALCONTEXTSETUPREQUEST_STRUCT *in_ctxt_req = &init->choice.InitialContextSetupRequest;
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m_s1ap_log->info("Preparing to send Initial Context Setup request\n");
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//Get UE Context/E-RAB Context to setup
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emm_ctx_t *emm_ctx = &nas_ctx->m_emm_ctx;
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ecm_ctx_t *ecm_ctx = &nas_ctx->m_ecm_ctx;
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esm_ctx_t *esm_ctx = &nas_ctx->m_esm_ctx[erab_to_setup];
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sec_ctx_t *sec_ctx = &nas_ctx->m_sec_ctx;
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//Add MME and eNB S1AP Ids
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in_ctxt_req->MME_UE_S1AP_ID.MME_UE_S1AP_ID = ecm_ctx->mme_ue_s1ap_id;
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in_ctxt_req->eNB_UE_S1AP_ID.ENB_UE_S1AP_ID = ecm_ctx->enb_ue_s1ap_id;
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@ -148,7 +154,7 @@ s1ap_ctx_mngmt_proc::send_initial_context_setup_request(nas *nas_ctx)
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//Attach procedure initiated from an attach request
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m_s1ap_log->console("Adding attach accept to Initial Context Setup Request\n");
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m_s1ap_log->info("Adding attach accept to Initial Context Setup Request\n");
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nas_ctx->pack_attach_accept(emm_ctx, ecm_ctx, erab_ctx_req, &erab_ctx->pdn_addr_alloc, nas_buffer);
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nas_ctx->pack_attach_accept(emm_ctx, ecm_ctx, erab_ctx_req, &esm_ctx->pdn_addr_alloc, nas_buffer);
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}
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srslte::byte_buffer_t *reply_buffer = m_pool->allocate();
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@ -163,7 +169,7 @@ s1ap_ctx_mngmt_proc::send_initial_context_setup_request(nas *nas_ctx)
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}
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//Change E-RAB state to Context Setup Requested and save S-GW control F-TEID
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ecm_ctx->erabs_ctx[erab_ctx_req->e_RAB_ID.E_RAB_ID].state = ERAB_CTX_REQUESTED;
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esm_ctx->state = ERAB_CTX_REQUESTED;
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struct in_addr addr;
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addr.s_addr = htonl(sgw_s1u_ip);
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