module HNBGW_Tests { /* Integration Tests for OsmoHNBGW * (C) 2021 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> * All rights reserved. * * Released under the terms of GNU General Public License, Version 2 or * (at your option) any later version. * * SPDX-License-Identifier: GPL-2.0-or-later * * This test suite tests OsmoHNBGW while emulating the hNodeB as well as MSC, SGSN, MGW * See README for more details. */ import from Misc_Helpers all; import from General_Types all; import from GSM_Types all; import from Osmocom_Types all; import from IPL4asp_Types all; import from Native_Functions all; import from Osmocom_CTRL_Functions all; import from Osmocom_CTRL_Types all; import from Osmocom_CTRL_Adapter all; import from StatsD_Types all; import from StatsD_CodecPort all; import from StatsD_CodecPort_CtrlFunct all; import from StatsD_Checker all; import from Osmocom_VTY_Functions all; import from TELNETasp_PortType all; import from HNBAP_Templates all; import from HNBAP_IEs all; import from HNBAP_PDU_Descriptions all; import from RUA_IEs all; import from RUA_Templates all; import from RUA_Emulation all; import from Iuh_Emulation all; import from RANAP_Types all; import from RANAP_PDU_Descriptions all; import from RANAP_PDU_Contents all; import from RANAP_IEs all; import from RANAP_Templates all; import from RANAP_CodecPort all; import from SCCP_Templates all; import from RAN_Adapter all; import from RAN_Emulation all; import from MGCP_Emulation all; import from MGCP_Types all; import from MGCP_Templates all; import from MGCP_CodecPort all; import from SDP_Types all; import from SDP_Templates all; import from PFCP_Types all; import from PFCP_Emulation all; import from PFCP_Templates all; import from PFCP_CodecPort all; import from TCCConversion_Functions all; import from MobileL3_Types all; import from MobileL3_CommonIE_Types all; import from MobileL3_GMM_SM_Types all; import from L3_Templates all; import from L3_Common all; import from SCCPasp_Types all; import from ConnHdlr all; import from Mutex all; const integer NUM_MSC := 4; const integer NUM_SGSN := 4; const integer FIRST_MSC_IDX := 0; const integer FIRST_SGSN_IDX := NUM_MSC; /* Translate from {msc,sgsn}x{0..n} to the proper index to use in g_cn[]. * g_cn[] stores CN links, MSCs and SGSNs in the same array. * For example, for 'sgsn 23', use g_cn[ f_cn_idx(ps_domain := true, cn_nr := 23) ]. * * Note the naming: * cn_nr is the number used in the cfg file, as in 'msc 0'. * cn_idx is the array index in g_cn[]. */ private function f_cn_idx(boolean ps_domain, integer cn_nr := 0) return integer { if (ps_domain) { return FIRST_SGSN_IDX + cn_nr; } return FIRST_MSC_IDX + cn_nr; } modulepar { /* IP address at which the HNodeB can be reached */ charstring mp_hnodeb_ip := "127.0.0.1"; integer mp_hnodeb_port := -1; /* IP address at which the test binds */ charstring mp_hnbgw_ip := "127.0.0.1"; integer mp_hnbgw_iuh_port := 29169; integer mp_hnbgw_ctrl_port := 4262; /* Our emulated StatsD server: */ charstring mp_local_statsd_ip := "127.0.0.1"; integer mp_local_statsd_port := 8125; charstring mp_statsd_prefix := "TTCN3."; charstring mp_mgw_ip := "127.0.0.1"; integer mp_mgw_port := 2427; RAN_Configurations mp_cn_cfg := { /* MSCs (NUM_MSC entries) */ { transport := RANAP_TRANSPORT_IuCS, sccp_service_type := "mtp3_itu", sctp_addr := { 23905, "127.0.0.1", 2905, "127.0.0.1" }, own_pc := 188, /* 0.23.4 first MSC emulation */ own_ssn := 142, peer_pc := 189, /* 0.23.5 osmo-hnbgw */ peer_ssn := 142, sio := '83'O, rctx := 1 }, { transport := RANAP_TRANSPORT_IuCS, sccp_service_type := "mtp3_itu", sctp_addr := { 23907, "127.0.0.1", 2905, "127.0.0.1" }, own_pc := 2, /* 0.0.2 second MSC emulation */ own_ssn := 142, peer_pc := 189, /* 0.23.5 osmo-hnbgw */ peer_ssn := 142, sio := '83'O, rctx := 3 }, { transport := RANAP_TRANSPORT_IuCS, sccp_service_type := "mtp3_itu", sctp_addr := { 23909, "127.0.0.1", 2905, "127.0.0.1" }, own_pc := 3, /* 0.0.3 third MSC emulation */ own_ssn := 142, peer_pc := 189, /* 0.23.5 osmo-hnbgw */ peer_ssn := 142, sio := '83'O, rctx := 5 }, { transport := RANAP_TRANSPORT_IuCS, sccp_service_type := "mtp3_itu", sctp_addr := { 23911, "127.0.0.1", 2905, "127.0.0.1" }, own_pc := 4, /* 0.0.4 fourth MSC emulation */ own_ssn := 142, peer_pc := 189, /* 0.23.5 osmo-hnbgw */ peer_ssn := 142, sio := '83'O, rctx := 7 }, /* SGSNs (NUM_SGSN entries) */ { transport := RANAP_TRANSPORT_IuCS, sccp_service_type := "mtp3_itu", sctp_addr := { /* local */ 23906, "127.0.0.1", /* remote */ 2905, "127.0.0.1" }, own_pc := 185, /* 0.23.1 first SGSN emulation */ own_ssn := 142, peer_pc := 189, /* 2237, 1.23.5 osmo-hnbgw */ peer_ssn := 142, sio := '83'O, rctx := 2 }, { transport := RANAP_TRANSPORT_IuCS, sccp_service_type := "mtp3_itu", sctp_addr := { /* local */ 23908, "127.0.0.1", /* remote */ 2905, "127.0.0.1" }, own_pc := 10, /* 0.1.2 second SGSN emulation */ own_ssn := 142, peer_pc := 189, /* 2237, 1.23.5 osmo-hnbgw */ peer_ssn := 142, sio := '83'O, rctx := 4 }, { transport := RANAP_TRANSPORT_IuCS, sccp_service_type := "mtp3_itu", sctp_addr := { /* local */ 23910, "127.0.0.1", /* remote */ 2905, "127.0.0.1" }, own_pc := 11, /* 0.1.3 third SGSN emulation */ own_ssn := 142, peer_pc := 189, /* 2237, 1.23.5 osmo-hnbgw */ peer_ssn := 142, sio := '83'O, rctx := 6 }, { transport := RANAP_TRANSPORT_IuCS, sccp_service_type := "mtp3_itu", sctp_addr := { /* local */ 23912, "127.0.0.1", /* remote */ 2905, "127.0.0.1" }, own_pc := 12, /* 0.1.4 fourth SGSN emulation */ own_ssn := 142, peer_pc := 189, /* 2237, 1.23.5 osmo-hnbgw */ peer_ssn := 142, sio := '83'O, rctx := 8 } }; boolean mp_enable_pfcp_tests := false; /* IP address at which we listen for PFCP to emulate a UPF in ttcn3 */ charstring mp_pfcp_ip_local := "127.0.0.1"; /* IP address from which the SUT (osmo-hnbgw) sends PFCP requests, and to which the ttcn3 UPF emulation sends * PFCP responses. */ charstring mp_pfcp_ip_remote := "127.0.0.2"; charstring mp_pfcp_upf_node_id := "\07osmocom\03org"; boolean mp_validate_talloc_asn1 := true; /* The X31 timer configured at osmo-hnbgw (seconds). This provided an idea on * minimum time the test must wait to consider this timer triggered */ integer mp_hnbgw_timer_x31 := 5; } function MSC_UnitdataCallback(RANAP_PDU ranap) runs on RAN_Emulation_CT return template RANAP_PDU { // TODO: Actually implement unitdata handling return omit; } const RanOps MSC_RanOps := { ranap_create_cb := refers(RAN_Emulation.RanapExpectedCreateCallback), ranap_unitdata_cb := refers(MSC_UnitdataCallback), ranap_connect_ind_auto_res := true, ps_domain := false, decode_dtap := false, role_ms := false, protocol := RAN_PROTOCOL_RANAP, transport := RANAP_TRANSPORT_IuCS, use_osmux := false, bssap_reset_retries := 1, sccp_addr_local := omit, sccp_addr_peer := omit } const integer NUM_HNB := 2; type component test_CT extends CTRL_Adapter_CT, StatsD_ConnHdlr, PFCP_ConnHdlr { var boolean g_initialized := false; /********************* Iu side */ var RAN_Adapter g_cn[NUM_MSC + NUM_SGSN]; /********************* Iuh side */ var HnbConfig g_hnb_cfg[NUM_HNB]; var Iuh_Emulation_CT vc_Iuh[NUM_HNB]; var RUA_Emulation_CT vc_RUA[NUM_HNB]; port HNBAP_PT HNBAP[NUM_HNB]; /* Number of HNBs to be used/started by the test */ var integer g_num_hnbs := NUM_HNB; var MGCP_Emulation_CT vc_MGCP; port TELNETasp_PT HNBGWVTY; var StatsD_Checker_CT vc_STATSD; var PFCP_Emulation_CT vc_PFCP; /* global test case guard timer (actual timeout value is set in f_init()) */ timer T_guard := 45.0; /* The cnlink type 'msc' or 'sgsn', to be used in CTRL commands to obtain counters */ var charstring g_ctr_cn_node_name; /* Counter state */ var CounterNameValsList g_ctr_cn; var CounterNameValsList g_ctr_hnb; var RanOps g_ran_ops := MSC_RanOps; var MutexDispCT vc_mutex_disp; } /* global altstep for global guard timer; */ altstep as_Tguard() runs on test_CT { [] T_guard.timeout { setverdict(fail, "Timeout of T_guard"); mtc.stop; } } function f_init_vty(charstring id := "foo") runs on test_CT { if (HNBGWVTY.checkstate("Mapped")) { /* skip initialization if already executed once */ return; } map(self:HNBGWVTY, system:HNBGWVTY); f_vty_set_prompts(HNBGWVTY); f_vty_transceive(HNBGWVTY, "enable"); } function f_init_mgcp(charstring id) runs on test_CT { id := id & "-MGCP"; var MGCPOps ops := { create_cb := refers(MGCP_Emulation.ExpectedCreateCallback), unitdata_cb := refers(MGCP_Emulation.DummyUnitdataCallback) } var MGCP_conn_parameters pars := { callagent_ip := mp_hnbgw_ip, callagent_udp_port := -1, mgw_ip := mp_mgw_ip, mgw_udp_port := mp_mgw_port, multi_conn_mode := false } vc_MGCP := MGCP_Emulation_CT.create(id); map(vc_MGCP:MGCP, system:MGCP_CODEC_PT); vc_MGCP.start(MGCP_Emulation.main(ops, pars, id)); } private function f_statsd_pfcp_associated() runs on test_CT return boolean { var charstring key_name := mp_statsd_prefix & "upf.0.pfcp_associated"; var StatsDMetricKeys statsd_keys := { valueof(ts_StatsDMetricKey(key_name, "g")) }; var StatsDMetrics statsd_snapshot; var boolean pfcp_associated; statsd_snapshot := f_statsd_snapshot(statsd_keys, since_last_snapshot := false); pfcp_associated := statsd_snapshot[0].val == 1; return pfcp_associated; } private function f_pfcp_wait_assoc_setup_req(boolean fail_timeout := true) runs on test_CT { var PDU_PFCP m; timer T := 16.0; /* ask PFCPEM to route all PDUs to us */ f_PFCPEM_subscribe_bcast(); T.start; alt { [] PFCP.receive(tr_PFCP_Assoc_Setup_Req()) -> value m { PFCP.send(ts_PFCP_Assoc_Setup_Resp(m.sequence_number, ts_PFCP_Node_ID_fqdn(mp_pfcp_upf_node_id), ts_PFCP_Cause(REQUEST_ACCEPTED), 1234)); setverdict(pass); } [] PFCP.receive(PDU_PFCP:?) { Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, log2str("Got an unexpected PFCP message, was waiting for ", tr_PFCP_Assoc_Setup_Req())); } [fail_timeout] T.timeout { Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, log2str("Timeout waiting for PFCP ", tr_PFCP_Assoc_Setup_Req())); } [not fail_timeout] T.timeout { log("Timeout waiting for PFCP ", tr_PFCP_Assoc_Setup_Req()); } } T.stop; /* ask PFCPEM to *not* route all PDUs to us anymore */ f_PFCPEM_unsubscribe_bcast(); } function f_init_pfcp(charstring id) runs on test_CT { id := id & "-PFCP"; var PFCP_Emulation_Cfg pfcp_cfg := { pfcp_bind_ip := mp_pfcp_ip_local, pfcp_bind_port := PFCP_PORT, pfcp_remote_ip := mp_pfcp_ip_remote, pfcp_remote_port := PFCP_PORT, role := UPF }; vc_PFCP := PFCP_Emulation_CT.create(id) alive; vc_PFCP.start(PFCP_Emulation.main(pfcp_cfg)); if (not mp_enable_pfcp_tests) { return; } /* Temporarily access Statsd during test startup: */ connect(self:STATSD_PROC, vc_STATSD:STATSD_PROC); /* osmo-hnbgw <= 1.6.0 doesn't support the stats "pfcp_associated". * Assume we have to wait for IUT to send PFCP Assoc Setup Req, * but avoid failing if we don't receive any. */ var boolean validate_pfcp_assoc := Misc_Helpers.f_osmo_repo_is("nightly"); var boolean pfcp_associated := false; if (validate_pfcp_assoc) { pfcp_associated := f_statsd_pfcp_associated(); } if (not pfcp_associated) { connect(self:PFCP, vc_PFCP:CLIENT); connect(self:PFCP_PROC, vc_PFCP:CLIENT_PROC); f_pfcp_wait_assoc_setup_req(fail_timeout := validate_pfcp_assoc); disconnect(self:PFCP, vc_PFCP:CLIENT); disconnect(self:PFCP_PROC, vc_PFCP:CLIENT_PROC); } disconnect(self:STATSD_PROC, vc_STATSD:STATSD_PROC); } function f_init_hnodeb(charstring id, integer hnb_idx, RuaOps rua_ops) runs on test_CT { id := id & "-Iuh" & int2str(hnb_idx); /* Iuh lower layer (RUA/HNBAP demux) */ var Iuh_conn_parameters iuh_pars; iuh_pars.remote_ip := mp_hnbgw_ip; iuh_pars.remote_sctp_port := mp_hnbgw_iuh_port; iuh_pars.local_ip := mp_hnodeb_ip; iuh_pars.local_sctp_port := mp_hnodeb_port + hnb_idx; vc_Iuh[hnb_idx] := Iuh_Emulation_CT.create(id); connect(self:HNBAP[hnb_idx], vc_Iuh[hnb_idx]:HNBAP); vc_RUA[hnb_idx] := RUA_Emulation_CT.create(id & "-RUA"); connect(vc_RUA[hnb_idx]:RUA, vc_Iuh[hnb_idx]:RUA); /* Start Iuh side components */ vc_Iuh[hnb_idx].start(Iuh_Emulation.main(iuh_pars, id)); vc_RUA[hnb_idx].start(RUA_Emulation.main(rua_ops, id & "-RUA")); } function f_drop_hnodeb(integer hnb_idx) runs on test_CT { vc_Iuh[hnb_idx].stop; vc_RUA[hnb_idx].stop; disconnect(self:HNBAP[hnb_idx], vc_Iuh[hnb_idx]:HNBAP); disconnect(vc_RUA[hnb_idx]:RUA, vc_Iuh[hnb_idx]:RUA); } private type record of boolean BooleanList; private function f_vty_cnlink_allow_attach(TELNETasp_PT pt, boolean ps_domain, BooleanList allow_attach_list) { var charstring config := f_vty_transceive_ret(pt, "show running-config"); var charstring msc_sgsn; if (ps_domain) { msc_sgsn := "sgsn"; } else { msc_sgsn := "msc"; } f_vty_enter_config(pt); for (var integer cn_nr := 0; cn_nr < sizeof(allow_attach_list); cn_nr := cn_nr+1) { if (f_strstr(config, "\n" & msc_sgsn & " " & int2str(cn_nr) & "\n") < 0) { /* There is no 'msc N' for this cn_nr in the running config, so don't create an empty cn by * stepping into that config node. */ log(msc_sgsn, cn_nr, " is not configured, skipping"); continue; } f_vty_transceive(pt, msc_sgsn & " " & int2str(cn_nr)); if (allow_attach_list[cn_nr]) { /* strict := false: ignore if osmo-hnbgw does not support this config option (latest build) */ f_vty_transceive(pt, "allow-attach", strict := false); } else { f_vty_transceive(pt, "no allow-attach", strict := false); } f_vty_transceive(pt, "exit"); } f_vty_transceive(pt, "exit"); } /* Start RAN adapter for CN link N. * e.g. link for 'msc 0' = (ps_domain := false, cn_nr := 0) * link for 'sgsn 3' = (ps_domain := true, cn_nr := 3) */ private function f_cn_nr_init(boolean ps_domain, integer cn_nr) runs on test_CT { var RanOps ranops := g_ran_ops; ranops.ps_domain := ps_domain; var integer cn_idx := f_cn_idx(ps_domain, cn_nr); var charstring msc_sgsn := "msc"; if (ps_domain) { msc_sgsn := "sgsn"; } f_ran_adapter_init(g_cn[cn_idx], mp_cn_cfg[cn_idx], "HNBGW_Test." & msc_sgsn & int2str(cn_nr), ranops); f_ran_adapter_start(g_cn[cn_idx]); } private function f_cn_idx_disconnect(integer cn_idx) runs on test_CT { f_ran_adapter_cleanup(g_cn[cn_idx]); } /* global initialization function */ function f_init(charstring id := "HNBGW", float guard_timeout := 45.0, integer nr_msc := 1, integer nr_sgsn := 1, boolean start_hnb := true) runs on test_CT { T_guard.start(guard_timeout); activate(as_Tguard()); vc_mutex_disp := f_MutexDisp_start(); f_init_statsd("VirtHNBGW", vc_STATSD, mp_local_statsd_ip, mp_local_statsd_port); f_init_vty("VirtHNBGW"); f_ipa_ctrl_start_client(mp_hnbgw_ip, mp_hnbgw_ctrl_port); f_init_pfcp(id); /* RUA/RANAP emulation on top of lower-layer Iuh */ var RuaOps rua_ops := { create_cb := refers(IuhRanapCreateCallback), unitdata_cb := refers(IuhRanapUnitdataCallback) }; for (var integer i := 0; i < g_num_hnbs; i := i+1) { g_hnb_cfg[i] := { lai := { mcc_mnc := '00F110'H, lac := 2342 + i }, sac := 55 }; f_init_hnodeb(testcasename(), i, rua_ops); } /* MSC emulation */ /* Make sure each MSC's internal state is "DISCONNECTED" at first */ for (var integer i := 0; i < NUM_MSC; i := i + 1) { f_vty_transceive(HNBGWVTY, "msc " & int2str(i) & " ranap reset", strict := false); } var BooleanList allow_attach := { false, false, false, false }; for (var integer i := 0; i < nr_msc; i := i + 1) { var integer cn_idx := FIRST_MSC_IDX + i; allow_attach[i] := true; f_cn_nr_init(ps_domain := false, cn_nr := i); } /* start the test with exactly all enabled MSCs allowed to attach */ f_vty_cnlink_allow_attach(HNBGWVTY, false, allow_attach); /* SGSN emulation */ /* Make sure each SGSN's internal state is "DISCONNECTED" at first */ for (var integer i := 0; i < NUM_SGSN; i := i + 1) { f_vty_transceive(HNBGWVTY, "sgsn " & int2str(i) & " ranap reset", strict := false); } allow_attach := { false, false, false, false }; for (var integer i := 0; i < nr_sgsn; i := i + 1) { var integer cn_idx := FIRST_SGSN_IDX + i; allow_attach[i] := true; f_cn_nr_init(ps_domain := true, cn_nr := i); } f_vty_cnlink_allow_attach(HNBGWVTY, true, allow_attach); f_init_mgcp(id); if (start_hnb) { f_start_hnbs(); } /* Sometimes, the RUA InitialUE-Message from a test happens too quickly, before the RANAP RESET from * RAN_Emulation is through, after above f_cn_nr_init(). In the pcap it seems to be a matter of 50 ms. Give some * grace. */ f_sleep(1.0); } friend function f_shutdown_helper() runs on test_CT { if (mp_validate_talloc_asn1) { f_verify_talloc_bytes(HNBGWVTY, {"asn1_context"}, 1); } all component.stop; setverdict(pass); mtc.stop; } /* helper function to start all of the simulated hNodeBs */ function f_start_hnbs() runs on test_CT { for (var integer i:= 0; i < g_num_hnbs; i := i+1) { f_hnbap_hnb_register(i, i); } } /*********************************************************************** * code running in test_CT, preparing start of per-UE ConnHdlr ***********************************************************************/ private function f_TestHdlrParams(integer imsi_suffix, boolean ps_domain := false, boolean expect_separate_sccp_cr := false, integer tx_sccp_cr_data_len := 0, boolean expect_compl_l3_success := true, integer cn_nr := 0, template (value) RANAP_IEs.Cause rab_rel_cause := ts_RanapCause_nas_normal) runs on test_CT return TestHdlrParams { var template (value) TestHdlrParams pars; var template (value) MgcpParameters mgcp_pars; var template (value) PfcpParameters pfcp_pars; mgcp_pars := t_MgcpParams(endp_idx := imsi_suffix); pfcp_pars := t_PfcpParams(pfcp_enabled := mp_enable_pfcp_tests, pfcp_local_addr := mp_pfcp_ip_local, pfcp_upf_node_id := mp_pfcp_upf_node_id, upf_f_seid := 1000 + imsi_suffix); pars := t_pars(imsi_suffix, ps_domain := ps_domain, expect_separate_sccp_cr := expect_separate_sccp_cr, tx_sccp_cr_data_len := tx_sccp_cr_data_len, expect_compl_l3_success := expect_compl_l3_success, cn_idx := f_cn_idx(ps_domain, cn_nr), mgcp_pars := mgcp_pars, pfcp_pars := pfcp_pars, rab_rel_cause := rab_rel_cause, hnbgw_timer_x31 := mp_hnbgw_timer_x31); pars.sccp_addr_hnbgw := g_cn[valueof(pars.cn_idx)].sccp_addr_peer; pars.sccp_addr_msc := g_cn[valueof(pars.cn_idx)].sccp_addr_own; return valueof(pars); } /* inbound RUA connection establishment on Iuh side */ function IuhRanapCreateCallback(ContextId context_id, RUA_IEs.CN_DomainIndicator domain, charstring id) runs on RUA_Emulation_CT return RUA_ConnHdlr { log("CreateCallback"); return null; } /* inbound RUA connectionless data on Iuh side */ function IuhRanapUnitdataCallback(RANAP_PDU ranap) runs on RUA_Emulation_CT return template RANAP_PDU { log("UnitdataCallback"); return omit; } private function f_start_handler_create(TestHdlrParams pars) runs on test_CT return ConnHdlr { var ConnHdlr vc_conn; var charstring id := testcasename() & int2str(pars.hnb_idx); vc_conn := ConnHdlr.create(id); /* Iuh RUA part */ connect(vc_conn:RUA, vc_RUA[pars.hnb_idx]:CLIENT); /* MSC or SGSN */ connect(vc_conn:BSSAP, g_cn[pars.cn_idx].vc_RAN:CLIENT); connect(vc_conn:BSSAP_PROC, g_cn[pars.cn_idx].vc_RAN:PROC); /* MGCP part */ connect(vc_conn:MGCP, vc_MGCP:MGCP_CLIENT); connect(vc_conn:MGCP_PROC, vc_MGCP:MGCP_PROC); connect(vc_conn:STATSD_PROC, vc_STATSD:STATSD_PROC); connect(vc_conn:PFCP, vc_PFCP:CLIENT); connect(vc_conn:PFCP_PROC, vc_PFCP:CLIENT_PROC); f_MutexDisp_connect(vc_mutex_disp, vc_conn); return vc_conn; } private function f_start_handler_run(ConnHdlr vc_conn, void_fn fn, TestHdlrParams pars) runs on test_CT { var charstring id := testcasename(); // & int2str(pars.ran_idx); pars.hnb := g_hnb_cfg[pars.hnb_idx]; vc_conn.start(f_handler_init(fn, id, pars)); } function f_start_handler_with_pars(void_fn fn, template (value) TestHdlrParams pars) runs on test_CT return ConnHdlr { var ConnHdlr vc_conn; vc_conn := f_start_handler_create(valueof(pars)); f_start_handler_run(vc_conn, fn, valueof(pars)); return vc_conn; } /* wait for all ConnHdlr in the given list to be .done() */ private function f_ConnHdlrList_all_done(in ConnHdlrList vc_conns) runs on test_CT { for (var integer i := 0; i < lengthof(vc_conns); i := i + 1) { vc_conns[i].done; } } /*********************************************************************** * HNBAP Testing ***********************************************************************/ function f_hnbap_hnb_register(integer hnb_idx := 0, integer cell_id := 0, boolean expect_reject := false) runs on test_CT { timer T := 2.0; HNBAP[hnb_idx].send(ts_HNBAP_HNBRegisterRequest(char2oct("TTCN3-HNB-" & int2str(hnb_idx)), hex2oct(g_hnb_cfg[hnb_idx].lai.mcc_mnc), int2bit(1 + cell_id, 28), int2oct(g_hnb_cfg[hnb_idx].lai.lac, 2), int2oct(0, 1), int2oct(g_hnb_cfg[hnb_idx].sac, 2))); T.start; alt { [] HNBAP[hnb_idx].receive(tr_HNBAP_HNBRegisterAccept(?)) { if (expect_reject) { setverdict(fail, "Rx HNB Register Accept while expecting reject"); } else { setverdict(pass); } } [] HNBAP[hnb_idx].receive(tr_HNBAP_HNBRegisterReject(?)) { if (expect_reject) { setverdict(pass); } else { setverdict(fail, "Rx HNB Register Reject while expecting accept"); } } [] HNBAP[hnb_idx].receive(IUHEM_Event:?) { repeat; } [] T.timeout { setverdict(fail, "Timeout waiting for HNB Register response"); } } } function f_hnbap_ue_register(integer hnb_idx := 0, template (present) UE_Identity ue_id, boolean expect_reject := false) runs on test_CT { timer T := 2.0; HNBAP[hnb_idx].send(ts_HNBAP_UERegisterRequest(ue_id)); T.start; alt { [] HNBAP[hnb_idx].receive(tr_HNBAP_UERegisterAccept(ue_id)) { if (expect_reject) { setverdict(fail, "Rx UE Register Accept while expecting reject"); } else { setverdict(pass); } } [] HNBAP[hnb_idx].receive(tr_HNBAP_UERegisterReject(ue_id, ?)) { if (expect_reject) { setverdict(pass); } else { setverdict(fail, "Rx UE Register Reject while expecting accept"); } } [] HNBAP[hnb_idx].receive(IUHEM_Event:?) { repeat; } [] T.timeout { setverdict(fail, "Timeout waiting for UE Register response"); } } } testcase TC_hnb_register() runs on test_CT { g_num_hnbs := 1; f_init(start_hnb := false); f_hnbap_hnb_register(0); f_shutdown_helper(); } /* Try to register the same HNB from 2 different concurrent connections. Second * one should be rejected. */ testcase TC_hnb_register_duplicate() runs on test_CT { g_num_hnbs := 2; f_init(start_hnb := false); /* Make HNB REQ look as if it came from the same HnodeB (LAI+SAC), * but from different IP address (underlaying link): */ g_hnb_cfg[1] := g_hnb_cfg[0]; f_hnbap_hnb_register(0); f_hnbap_hnb_register(1, 0, expect_reject := true); f_verify_talloc_count(HNBGWVTY, {"struct hnb_context"}, expect_count := 1); f_shutdown_helper(); } /* Try to register the same HNB in the same connection already established, aka * duplicate HNB Register Request. It should be accepted and new configuration * applied. TS 25.469 8.2.4 */ testcase TC_hnb_register_duplicate_reuse_sctp_assoc() runs on test_CT { g_num_hnbs := 1; f_init(start_hnb := false); f_hnbap_hnb_register(0); f_hnbap_hnb_register(0); f_verify_talloc_count(HNBGWVTY, {"struct hnb_context"}, expect_count := 1); f_shutdown_helper(); } /* Drop HNBAP conn (HNBAP DEREG) and reconnect it (HNBAP REG) using same SCTP association. * Related: OS#5676, SYS#6113 */ testcase TC_hnb_reregister_reuse_sctp_assoc() runs on test_CT { g_num_hnbs := 1; f_init(start_hnb := false); f_hnbap_hnb_register(0); HNBAP[0].send(ts_HNBAP_HNBDe_Register(ts_HnbapCause(unspecified))); f_hnbap_hnb_register(0); f_verify_talloc_count(HNBGWVTY, {"struct hnb_context"}, expect_count := 1); f_shutdown_helper(); } /* Default list of counters for a 'hnb' entity */ const CounterNameVals counternames_hnb := { { "iuh:established", 0 } }; private function f_ctrs_hnb_init(integer hnb_start := 0, integer hnb_count := 1, CounterNameVals counternames := counternames_hnb) runs on test_CT { g_ctr_hnb := f_counter_name_vals_get_n(IPA_CTRL, "hnb", hnb_count, counternames, start_idx := hnb_start); log("initial hnb rate counters: ", g_ctr_hnb); } /* f_ctrs_hnb_init(); * f_do_thing(on_hnb := 0); * f_do_thing(on_hnb := 0); * f_do_other(on_hnb := 1); * f_ctrs_hnb_add(0, "thing", 2); * f_ctrs_hnb_add(1, "other"); * f_ctrs_hnb_verify(); */ private function f_ctrs_hnb_verify() runs on test_CT { log("verifying hnb rate counters: ", g_ctr_hnb); f_counter_name_vals_expect_n(IPA_CTRL, "hnb", g_ctr_hnb); } /* convenience: f_ctrs_hnb_add() and f_ctrs_hnb_verify() in one call. * f_ctrs_hnb_init(); * f_do_thing(on_hnb := 0); * f_do_thing(on_hnb := 0); * f_do_thing(on_hnb := 0); * f_ctrs_hnb_expect(0, "thing", 3); */ private function f_ctrs_hnb_expect(integer hnb_nr, charstring countername, integer val := 1) runs on test_CT { f_ctrs_hnb_add(hnb_nr, countername, val); f_ctrs_hnb_verify(); } private function f_ctrs_hnb_add(integer hnb_nr, charstring countername, integer val := 1) runs on test_CT { f_counter_name_vals_list_add(g_ctr_hnb, hnb_nr, countername, val); } /* Set all counters for this hnb instance to a specific value. Useful to expect a disconnected and discarded hnb, * because -1 is returned by f_counter_name_vals_get_n() when the hnb is not present on the CTRL interface. */ private function f_ctrs_hnb_set_all(integer hnb_nr, integer val) runs on test_CT { for (var integer i := 0; i < lengthof(counternames_hnb); i := i + 1) { f_counter_name_vals_list_set(g_ctr_hnb, hnb_nr, counternames_hnb[i].name, val); } } private function f_vty_run_hnbgw(TELNETasp_PT pt, charstring cmd) { f_vty_enter_config(pt); f_vty_transceive(pt, "hnbgw"); f_vty_transceive(pt, cmd); f_vty_transceive(pt, "end"); } testcase TC_hnb_disconnected_timeout() runs on test_CT { g_num_hnbs := 1; f_init(start_hnb := true); f_vty_run_hnbgw(HNBGWVTY, "timer hnbgw X35 5"); /* Init the counters when the hnb already exists. There should be a nonzero iuh:established count now. */ f_ctrs_hnb_init(); /* Drop the Iuh link */ f_drop_hnodeb(0); f_sleep(1.0); /* The hNodeB persistent state should still be around, because X35 has not yet elapsed. */ f_ctrs_hnb_verify(); f_sleep(5.0); /* We get -1 counters when the CTRL interface returned an error for the requested counter, meaning that the * hnb_persistent no longer exists. Verify that it is gone: */ f_ctrs_hnb_set_all(0, -1); f_ctrs_hnb_verify(); f_sleep(1.0); /* Connect again. */ var RuaOps rua_ops := { create_cb := refers(IuhRanapCreateCallback), unitdata_cb := refers(IuhRanapUnitdataCallback) }; f_init_hnodeb(testcasename(), 0, rua_ops); /* still disconnected until actually registered on HNBAP */ f_ctrs_hnb_verify(); f_hnbap_hnb_register(0); /* The hNodeB has come back to existence, so expect 0, not -1 anymore: */ f_ctrs_hnb_set_all(0, 0); /* Also we've registered once. */ f_ctrs_hnb_add(0, "iuh:established", 1); f_ctrs_hnb_verify(); f_sleep(1.0); /* Again drop the Iuh link, wait for X35 and see that it's gone again. */ f_drop_hnodeb(0); f_ctrs_hnb_verify(); f_sleep(6.0); f_ctrs_hnb_set_all(0, -1); f_ctrs_hnb_verify(); f_shutdown_helper(); } /* regular UE registration */ testcase TC_ue_register() runs on test_CT { var UE_Identity ue_id := { iMSI := imsi_hex2oct(f_gen_imsi(1)) }; g_num_hnbs := 1; f_init(start_hnb := true); f_hnbap_ue_register(0, ue_id); f_shutdown_helper(); } /* regular UE registration (UE Identity: TMSI+LAI) */ testcase TC_ue_register_tmsi_lai() runs on test_CT { var UE_Identity ue_id := { tMSILAI := { tMSI := oct2bit(f_gen_tmsi(0)), lAI := { pLMNID := '00F110'O, lAC := '2342'O } } }; g_num_hnbs := 1; f_init(start_hnb := true); f_hnbap_ue_register(0, ue_id); f_shutdown_helper(); } /* UE registration from unregistered HNB */ testcase TC_ue_register_before_hnb_register() runs on test_CT { var UE_Identity ue_id := { iMSI := imsi_hex2oct(f_gen_imsi(1)) }; g_num_hnbs := 1; f_init(start_hnb := false); f_hnbap_ue_register(0, ue_id, expect_reject := true); f_shutdown_helper(); } /*********************************************************************** * RUA / RANAP Testing ***********************************************************************/ /* Create an Iuh connection; send InitialUE; expect it to appear on new SCCP conenction */ friend function f_tc_initial_ue(charstring id) runs on ConnHdlr { var RANAP_PDU tx := f_build_initial_ue(g_pars); f_iuh2iu_connect(tx); } testcase TC_ranap_cs_initial_ue() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_initial_ue), f_TestHdlrParams(1)); vc_conn.done; f_shutdown_helper(); } testcase TC_ranap_ps_initial_ue() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_initial_ue), f_TestHdlrParams(2, true)); vc_conn.done; f_shutdown_helper(); } private function f_vty_set_sccp_max_optional_data(TELNETasp_PT pt, integer val := -1) { var charstring valstr; if (val < 0) { valstr := "standard"; } else { valstr := int2str(val); } f_vty_enter_config(pt); f_vty_transceive(pt, "cs7 instance 0"); f_vty_transceive(pt, "sccp max-optional-data " & valstr); f_vty_transceive(pt, "end"); } testcase TC_ranap_cs_initial_ue_empty_cr() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); f_vty_set_sccp_max_optional_data(HNBGWVTY, 0); vc_conn := f_start_handler_with_pars(refers(f_tc_initial_ue), f_TestHdlrParams(1, expect_separate_sccp_cr := true)); vc_conn.done; /* reset */ f_vty_set_sccp_max_optional_data(HNBGWVTY); f_shutdown_helper(); } testcase TC_ranap_ps_initial_ue_empty_cr() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); f_vty_set_sccp_max_optional_data(HNBGWVTY, 0); vc_conn := f_start_handler_with_pars(refers(f_tc_initial_ue), f_TestHdlrParams(2, true, expect_separate_sccp_cr := true)); vc_conn.done; /* reset */ f_vty_set_sccp_max_optional_data(HNBGWVTY); f_shutdown_helper(); } type record Testdata_CR_Limit { integer data_len, integer max_optional_data, boolean expect_separate_sccp_cr }; type record of Testdata_CR_Limit Testdata_CR_Limits; testcase TC_sccp_cr_limit() runs on test_CT { g_num_hnbs := 1; f_init(); const Testdata_CR_Limits tests := { { data_len := 130, max_optional_data := -1, expect_separate_sccp_cr := false }, { data_len := 131, max_optional_data := -1, expect_separate_sccp_cr := true }, { data_len := 100, max_optional_data := 100, expect_separate_sccp_cr := false }, { data_len := 101, max_optional_data := 100, expect_separate_sccp_cr := true }, { data_len := 200, max_optional_data := 200, expect_separate_sccp_cr := false }, { data_len := 201, max_optional_data := 200, expect_separate_sccp_cr := true } }; var integer csps; for (csps := 0; csps < 2; csps := csps + 1) { var boolean ps_domain := (csps > 0); var integer i; for (i := 0; i < lengthof(tests); i := i + 1) { var Testdata_CR_Limit t := tests[i]; f_logp(HNBGWVTY, "TEST PART TC_sccp_cr_limit ps_domain=" & f_bool2str(ps_domain) & " data_len=" & int2str(t.data_len) & " max_optional_data=" & int2str(t.max_optional_data) & " expect_separate_sccp_cr=" & f_bool2str(t.expect_separate_sccp_cr) ); f_vty_set_sccp_max_optional_data(HNBGWVTY, t.max_optional_data); var ConnHdlr vc_conn; vc_conn := f_start_handler_with_pars(refers(f_tc_initial_ue), f_TestHdlrParams(100 + i, ps_domain := ps_domain, expect_separate_sccp_cr := t.expect_separate_sccp_cr, tx_sccp_cr_data_len := t.data_len)); vc_conn.done; } } /* reset */ f_vty_set_sccp_max_optional_data(HNBGWVTY); f_shutdown_helper(); } private function f_tc_rab_assignment(charstring id) runs on ConnHdlr { const charstring hnb0_ctr_prefix := mp_statsd_prefix & "hnb.001-01-L2342-R0-S55-C1."; var MgcpCommand mgcp_cmd; var RANAP_PDU tx; f_statsd_reset(); tx := f_build_initial_ue(g_pars); f_iuh2iu_connect(tx); /* Expect stats to be 0 */ var StatsDExpects expect := { {name := hnb0_ctr_prefix & "ranap.cs.rab_act.req", mtype := "c", min := 0, max := 0}, {name := hnb0_ctr_prefix & "ranap.cs.rab_act.cnf", mtype := "c", min := 0, max := 0}, {name := hnb0_ctr_prefix & "ranap.cs.rab_act.fail", mtype := "c", min := 0, max := 0} }; f_statsd_expect(expect); f_create_rab_cs(); expect := { {name := hnb0_ctr_prefix & "ranap.cs.rab_act.req", mtype := "c", min := 1, max := 1}, {name := hnb0_ctr_prefix & "ranap.cs.rab_act.cnf", mtype := "c", min := 1, max := 1}, {name := hnb0_ctr_prefix & "ranap.cs.rab_act.fail", mtype := "c", min := 0, max := 0} }; f_statsd_expect(expect); f_cn_iu_release_procedure(mgcp_teardown := true); } testcase TC_rab_assignment() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_rab_assignment), f_TestHdlrParams(3)); vc_conn.done; f_shutdown_helper(); } /* Same as TC_rab_assignment, but 16 subscribers in parallel. * Currently 16 is the maximum we can create due to array sizes of RAN_Emulation.ttcn. * Stats are removed since it's difficult to count with several conns concurrently doing stuff. */ private function f_tc_rab_assignment_concurrent(charstring id) runs on ConnHdlr { const charstring hnb0_ctr_prefix := mp_statsd_prefix & "hnb.001-01-L2342-R0-S55-C1."; var MgcpCommand mgcp_cmd; var RANAP_PDU tx; f_statsd_reset(); tx := f_build_initial_ue(g_pars); f_iuh2iu_connect(tx); f_create_rab_cs(); /* Wait some time with connection up */ f_sleep(2.0); f_cn_iu_release_procedure(mgcp_teardown := true); } testcase TC_rab_assignment_concurrent() runs on test_CT { var ConnHdlrList vc_conn_list := {}; g_num_hnbs := 1; f_init(); f_sleep(1.0); const integer num_conns := 16; for (var integer i := 0; i < num_conns; i := i + 1) { var ConnHdlr vc_conn; vc_conn := f_start_handler_with_pars(refers(f_tc_rab_assignment_concurrent), f_TestHdlrParams(i)); vc_conn_list := vc_conn_list & { vc_conn }; } f_ConnHdlrList_all_done(vc_conn_list); f_shutdown_helper(); } friend function f_tc_rab_assign_fail(charstring id) runs on ConnHdlr { const charstring hnb0_ctr_prefix := mp_statsd_prefix & "hnb.001-01-L2342-R0-S55-C1."; var MgcpCommand mgcp_cmd; var RANAP_PDU tx; timer T := 5.0; f_statsd_reset(); tx := f_build_initial_ue(g_pars); f_iuh2iu_connect(tx); /* Expect stats to be 0 */ var StatsDExpects expect := { {name := hnb0_ctr_prefix & "ranap.cs.rab_act.req", mtype := "c", min := 0, max := 0}, {name := hnb0_ctr_prefix & "ranap.cs.rab_act.cnf", mtype := "c", min := 0, max := 0}, {name := hnb0_ctr_prefix & "ranap.cs.rab_act.fail", mtype := "c", min := 0, max := 0} }; f_statsd_expect(expect); f_rab_ass_req_cs(); /* Send RAB failed list in response */ tx := valueof(ts_RANAP_RabAssResp(rab_fl := ts_RAB_FL(t_RAB_id(23), g_pars.rab_rel_cause))); f_iuh2iu(tx); expect := { {name := hnb0_ctr_prefix & "ranap.cs.rab_act.req", mtype := "c", min := 1, max := 1}, {name := hnb0_ctr_prefix & "ranap.cs.rab_act.cnf", mtype := "c", min := 0, max := 0}, {name := hnb0_ctr_prefix & "ranap.cs.rab_act.fail", mtype := "c", min := 1, max := 1} }; f_statsd_expect(expect); T.start; alt { [] as_mgcp_dlcx() {} [] T.timeout { setverdict(fail, "Timeout waiting for DLCX"); } } T.stop; } testcase TC_rab_assign_fail() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_rab_assign_fail), f_TestHdlrParams(4, rab_rel_cause := ts_RanapCause_radio_conn_lost)); vc_conn.done; f_shutdown_helper(); } friend function f_tc_rab_release(charstring id) runs on ConnHdlr { const charstring hnb0_ctr_prefix := "TTCN3.hnb.001-01-L2342-R0-S55-C1."; var MgcpCommand mgcp_cmd; var RANAP_PDU tx; timer T := 15.0; f_statsd_reset(); tx := f_build_initial_ue(g_pars); f_iuh2iu_connect(tx); f_create_rab_cs(); var charstring ctr_name; if (g_pars.rab_rel_cause == valueof(ts_RanapCause_nas_normal)) { ctr_name := "ranap.cs.rab_rel.req.normal"; } else { ctr_name := "ranap.cs.rab_rel.req.abnormal"; } /* Expect stats to be 0 */ var StatsDExpects expect := { {name := hnb0_ctr_prefix & ctr_name, mtype := "c", min := 0, max := 0} }; f_statsd_expect(expect); /* Send RAB Release */ tx := valueof(ts_RANAP_RabAssReq(rab_rl := ts_RAB_RL(t_RAB_id(23), g_pars.rab_rel_cause))); BSSAP.send(tx); T.start; alt { [] as_mgcp_dlcx() {} [] T.timeout { setverdict(fail, "Timeout waiting for DLCX"); } } T.stop; f_rua_expect(tx); expect := { {name := hnb0_ctr_prefix & ctr_name, mtype := "c", min := 1, max := 1} }; f_statsd_expect(expect); } /* RAB release with Cause NAS/Normal (successful/orderly release) */ testcase TC_rab_release() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_rab_release), f_TestHdlrParams(5)); vc_conn.done; f_shutdown_helper(); } /* RAB release with Cause abnormal */ testcase TC_rab_release_abnormal() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_rab_release), f_TestHdlrParams(8, rab_rel_cause := ts_RanapCause_radio_conn_lost)); vc_conn.done; f_shutdown_helper(); } friend function f_tc_rab_assign_mgcp_to(charstring id) runs on ConnHdlr { var MgcpCommand mgcp_cmd; var RANAP_PDU tx; var template RAB_SetupOrModifyList rab_sml; timer T := 15.0; T.start; f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit}); tx := f_build_initial_ue(g_pars); f_iuh2iu_connect(tx); /* Send RAB Assignment Request */ rab_sml := ts_RAB_SML(t_RAB_id(23), f_ts_RAB_TLA(g_pars.mgcp_pars.cn_rtp_ip), t_RAB_binding_port(g_pars.mgcp_pars.cn_rtp_port)); tx := valueof(ts_RANAP_RabAssReq(rab_sml)); BSSAP.send(tx); /* Ignore MGCP CRCX */ alt { [] MGCP.receive(tr_CRCX) -> value mgcp_cmd { log("Ignoreing CRCX1", mgcp_cmd); repeat; } [] BSSAP.receive(tr_RANAP_IuReleaseRequest(?)) { } [] T.timeout { setverdict(fail, "Timeout waiting for IuRelease"); } } f_cn_iu_release_procedure(); } testcase TC_rab_assign_mgcp_to() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_rab_assign_mgcp_to), f_TestHdlrParams(6)); vc_conn.done; f_shutdown_helper(); } /* Test case where IuUP IP address announced by HNB and updated through MDCX * makes MGW select a new local IuUP address. HNBGW is expected to update the HNB * through RAB-Modify-Req. */ testcase TC_rab_assign_mgw_iuup_addr_chg() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); var template (value) TestHdlrParams pars := f_TestHdlrParams(3); /* Emulate change of local IuUP IP address after rx MDCX: */ pars.mgcp_pars.mgw_conn_ran.mgw_rtp_ip_mdcx := "127.3.2.1"; vc_conn := f_start_handler_with_pars(refers(f_tc_rab_assignment), pars); vc_conn.done; f_shutdown_helper(); } /* Create an Iuh connection; send InitialUE; transceive data both directions */ friend function f_tc_ranap_bidir(charstring id) runs on ConnHdlr { /* HNB -> MSC: InitialUE */ f_iuh2iu_connect(f_build_initial_ue(g_pars)); /* MSC <- HNB: DirectTransfer */ f_iu2iuh(ts_RANAP_DirectTransfer(f_rnd_octstring(10))); /* MSC -> HNB: DirectTransfer */ f_iuh2iu(ts_RANAP_DirectTransfer(f_rnd_octstring(10))); /* HNB <- MSC: CommonID */ f_iu2iuh(ts_RANAP_CommonId(hex2oct(g_pars.imsi))); } testcase TC_ranap_cs_bidir() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_ranap_bidir), f_TestHdlrParams(3)); vc_conn.done; f_shutdown_helper(); } testcase TC_ranap_ps_bidir() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_ranap_bidir), f_TestHdlrParams(4, true)); vc_conn.done; f_shutdown_helper(); } private function f_tc_ranap_mo_disconnect(charstring id) runs on ConnHdlr { /* HNB->MSC: InitialUE */ f_iuh2iu_connect(f_build_initial_ue(g_pars)); g_pars.rab_rel_cause := valueof(ts_RanapCause_radio_conn_release); /* HNB->MSC: Request CN to start Iu-Release procedure: */ f_iuh2iu(ts_RANAP_IuReleaseRequest(g_pars.rab_rel_cause)); /* HNB<-MSC: CN starts Iu-Release procedure: */ f_cn_iu_release_procedure(); } testcase TC_ranap_cs_mo_disconnect() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_ranap_mo_disconnect), f_TestHdlrParams(5)); vc_conn.done; f_shutdown_helper(); } testcase TC_ranap_ps_mo_disconnect() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_ranap_mo_disconnect), f_TestHdlrParams(6, true)); vc_conn.done; f_shutdown_helper(); } /* SCCP Connect Req is answererd with Connect Refused: */ private function f_tc_ranap_creq_cref_ConnHdlr(charstring id) runs on ConnHdlr { /* HNB -> MSC: InitialUE */ f_iuh2iu_connect(f_build_initial_ue(g_pars)); /* This triggers a tx of SCCP CREF CN -> HNBGW: */ BSSAP.send(ts_MSC_CONN_PRIM_DISC_REQ(sccp_par_reason_end_user_failure)); /* HNBGW disconnects the session on the RUA side as a result: */ RUA.receive(RUA_Disc_Ind:?); } private function f_tc_ranap_creq_cref(integer imsi_suffix, boolean ps_domain) runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; /* Instruct RAN_Emulation to avoid accepting the conn, we'll trigger an * SCCP CREF by sending a DISC REQ primitive in ConnHdlr. */ g_ran_ops.ranap_connect_ind_auto_res := false; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_ranap_creq_cref_ConnHdlr), f_TestHdlrParams(imsi_suffix, ps_domain)); vc_conn.done; f_shutdown_helper(); } testcase TC_ranap_cs_creq_cref() runs on test_CT { f_tc_ranap_creq_cref(7, false); } testcase TC_ranap_ps_creq_cref() runs on test_CT { f_tc_ranap_creq_cref(8, true); } /* scenario: HNB transmits RUA Disconnect while conn is still being established * on SCCP side (HNBGW sent CR, waiting for CC from CN). */ private function f_tc_rua_disconnect_during_sccp_cr_cc(charstring id) runs on ConnHdlr { /* HNB->MSC: InitialUE */ f_iuh2iu_connect(f_build_initial_ue(g_pars)); /* CREQ was received at CN, now HNB decides to disconnect the RUA conn: */ RUA.send(RUA_Disc_Req:{{misc:=unspecified}, omit}); /* Let some time for RUA Disconnect to reach the HNBGW: */ f_sleep(1.0); /* Now tx SCCP CC from CN to HNBGW: */ BSSAP.send(ts_MSC_CONN_PRIM_CONNECT_RES); /* now that SCCP conn is connected, HNBGW should tear it down because the RUA conn was released in previous step: */ BSSAP.receive(tr_MSC_CONN_PRIM_DISC_IND); /* Let RAN_Emulation some time to answer RLSD with RLC: */ f_sleep(1.0); } private function f_TC_rua_disconnect_during_sccp_cr_cc(boolean is_ps) runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; /* Instruct RAN_Emulation to avoid accepting the conn, we'll trigger an * SCCP CREF by sending a DISC REQ primitive in ConnHdlr. */ g_ran_ops.ranap_connect_ind_auto_res := false; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_rua_disconnect_during_sccp_cr_cc), f_TestHdlrParams(6, is_ps)); vc_conn.done; f_shutdown_helper(); } testcase TC_cs_rua_disconnect_during_sccp_cr_cc() runs on test_CT { f_TC_rua_disconnect_during_sccp_cr_cc(false); } testcase TC_ps_rua_disconnect_during_sccp_cr_cc() runs on test_CT { f_TC_rua_disconnect_during_sccp_cr_cc(true); } /* Scenario: HNB tears down the RUA/Iu conn by first sending RUA_DATA[RANAP * IuReleaseReq], followed shortly by a RUA Disconnect with no RANAP and * Cause!=Normal. HNBGW should release the SCCP connection through RLSD since it's * impossible to terminate the Iu connection in a normal condition. (SYS#6602) */ private function f_tc_cs_iu_release_req_rua_disconnect(charstring id) runs on ConnHdlr { var RANAP_PDU tx; timer T := 5.0; tx := f_build_initial_ue(g_pars); f_iuh2iu_connect(tx); f_create_rab_cs(); RUA.send(ts_RANAP_IuReleaseRequest(ts_RanapCause_radio_rab_preempted)); BSSAP.receive(tr_RANAP_IuReleaseRequest(ts_RanapCause_radio_rab_preempted)); RUA.send(RUA_Disc_Req:{{misc:=unspecified}, omit}); /* HNBGW tears down related MGW sessions: */ T.start; alt { [] as_mgcp_dlcx() {} [] T.timeout { setverdict(fail, "Timeout waiting for DLCX"); } } T.stop; /* We cannot guarantee we can send Iu-ReleaseCommand at RANAP_Emulation * before it receives the RLSD from HNBGW, hence we don't send it. If we * sent it, it would be ignored by HNBGW since the RUA conn is already * disconnected: * BSSAP.send(ts_RANAP_IuReleaseCommand(ts_RanapCause_radio_rab_preempted)); */ BSSAP.receive(tr_MSC_CONN_PRIM_DISC_IND); /* Let RAN_Emulation some time to answer RLSD with RLC: */ f_sleep(1.0); } testcase TC_cs_iu_release_req_rua_disconnect() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_cs_iu_release_req_rua_disconnect), f_TestHdlrParams(9)); vc_conn.done; f_shutdown_helper(); } /* Same as TC_cs_iu_release_req_rua_disconnect, but with PS RAB */ private function f_tc_ps_iu_release_req_rua_disconnect(charstring id) runs on ConnHdlr { var RANAP_PDU tx; tx := f_build_initial_ue(g_pars); f_iuh2iu_connect(tx); f_create_rab_ps(); RUA.send(ts_RANAP_IuReleaseRequest(ts_RanapCause_radio_rab_preempted)); BSSAP.receive(tr_RANAP_IuReleaseRequest(ts_RanapCause_radio_rab_preempted)); RUA.send(RUA_Disc_Req:{{misc:=unspecified}, omit}); /* HNBGW tears down related PFCP sessions: */ if (g_pars.pfcp_pars.pfcp_enabled) { var PDU_PFCP m := f_pfcp_expect(tr_PFCP_Session_Del_Req(g_pars.pfcp_pars.upf_f_seid.seid)); PFCP.send(ts_PFCP_Session_Del_Resp(m.sequence_number, g_pars.pfcp_pars.hnbgw_f_seid.seid)); } /* We cannot guarantee we can send Iu-ReleaseCommand at RANAP_Emulation * before it receives the RLSD from HNBGW, hence we don't send it. If we * sent it, it would be ignored by HNBGW since the RUA conn is already * disconnected: * BSSAP.send(ts_RANAP_IuReleaseCommand(ts_RanapCause_radio_rab_preempted)); */ BSSAP.receive(tr_MSC_CONN_PRIM_DISC_IND); /* Let RAN_Emulation some time to answer RLSD with RLC: */ f_sleep(1.0); } testcase TC_ps_iu_release_req_rua_disconnect() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_ps_iu_release_req_rua_disconnect), f_TestHdlrParams(9, true)); vc_conn.done; f_shutdown_helper(); } friend function f_tc_ps_rab_assignment(charstring id) runs on ConnHdlr { var RANAP_PDU tx; tx := f_build_initial_ue(g_pars); f_iuh2iu_connect(tx); f_create_rab_ps(); f_sleep(2.0); f_cn_iu_release_procedure(pfcp_teardown := g_pars.pfcp_pars.pfcp_enabled); } testcase TC_ps_rab_assignment() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); f_sleep(1.0); vc_conn := f_start_handler_with_pars(refers(f_tc_ps_rab_assignment), f_TestHdlrParams(7, ps_domain := true)); vc_conn.done; f_shutdown_helper(); } /* Same as TC_ps_rab_assignment, but 16 subscribers in parallel. * Currently 16 is the maximum we can create due to array sizes of RAN_Emulation.ttcn. */ testcase TC_ps_rab_assignment_concurrent() runs on test_CT { var ConnHdlrList vc_conn_list := {}; g_num_hnbs := 1; f_init(); f_sleep(1.0); const integer num_conns := 16; for (var integer i := 0; i < num_conns; i := i + 1) { var ConnHdlr vc_conn; var TestHdlrParams pars := f_TestHdlrParams(i, ps_domain := true); vc_conn := f_start_handler_with_pars(refers(f_tc_ps_rab_assignment), pars); vc_conn_list := vc_conn_list & { vc_conn }; } f_ConnHdlrList_all_done(vc_conn_list); f_shutdown_helper(); } /* Default list of counters for a 'cn' entity to test the cnpool feature. */ const CounterNameVals counternames_cnpool := { { "cnpool:subscr:new", 0 }, { "cnpool:subscr:known", 0 }, { "cnpool:subscr:reattach", 0 }, { "cnpool:subscr:attach_lost", 0 }, { "cnpool:subscr:paged", 0 } }; private function f_ctrs_cn_init(boolean ps_domain, integer cn_count := 0, CounterNameVals counternames := counternames_cnpool) runs on test_CT { if (ps_domain) { g_ctr_cn_node_name := "sgsn"; if (cn_count == 0) { cn_count := NUM_SGSN; } } else { g_ctr_cn_node_name := "msc"; if (cn_count == 0) { cn_count := NUM_MSC; } } g_ctr_cn := f_counter_name_vals_get_n(IPA_CTRL, g_ctr_cn_node_name, cn_count, counternames); log("initial " & g_ctr_cn_node_name & " rate counters: ", g_ctr_cn); } /* f_ctrs_cn_init(); * f_do_thing(on_cn := 0); * f_do_thing(on_cn := 0); * f_do_other(on_cn := 1); * f_ctrs_cn_add(0, "thing", 2); * f_ctrs_cn_add(1, "other"); * f_ctrs_cn_verify(); */ private function f_ctrs_cn_verify() runs on test_CT { log("verifying", g_ctr_cn_node_name, " rate counters: ", g_ctr_cn); f_counter_name_vals_expect_n(IPA_CTRL, g_ctr_cn_node_name, g_ctr_cn); } /* convenience: f_ctrs_cn_add() and f_ctrs_cn_verify() in one call. * f_ctrs_cn_init(); * f_do_thing(on_cn := 0); * f_do_thing(on_cn := 0); * f_do_thing(on_cn := 0); * f_ctrs_cn_expect(0, "thing", 3); */ private function f_ctrs_cn_expect(integer cn_nr, charstring countername, integer val := 1) runs on test_CT { f_ctrs_cn_add(cn_nr, countername, val); f_ctrs_cn_verify(); } private function f_ctrs_cn_add(integer cn_nr, charstring countername, integer val := 1) runs on test_CT { f_counter_name_vals_list_add(g_ctr_cn, cn_nr, countername, val); } private function f_tc_cnpool_compl_l3(charstring id) runs on ConnHdlr { f_perform_compl_l3(g_pars.nas_pdu, expect_success := g_pars.expect_compl_l3_success); } private function f_TC_cnpool_compl_l3(boolean ps_domain, octetstring nas_pdu, integer cn_nr, template (omit) charstring inc_countername := omit, boolean expect_compl_l3_success := true) runs on test_CT { var ConnHdlr vc_conn; var template (value) TestHdlrParams pars := f_TestHdlrParams(0, ps_domain := ps_domain, cn_nr := cn_nr); pars.nas_pdu := nas_pdu; pars.expect_compl_l3_success := expect_compl_l3_success; log("XXX ", pars); vc_conn := f_start_handler_with_pars(refers(f_tc_cnpool_compl_l3), pars); vc_conn.done; if (not istemplatekind(inc_countername, "omit")) { f_ctrs_cn_expect(cn_nr, valueof(inc_countername)); } } function f_TC_cnpool_compl_l3_list(boolean ps_domain, ro_octetstring compl3, Osmocom_Types.ro_integer cn_nrs, template (omit) charstring inc_countername, boolean expect_compl_l3_success := true) runs on test_CT { var integer n := lengthof(compl3); if (n < lengthof(cn_nrs)) { n := lengthof(cn_nrs); } for (var integer i := 0; i < n; i := i + 1) { var integer cn_nr := cn_nrs[i mod lengthof(cn_nrs)]; f_TC_cnpool_compl_l3(ps_domain, compl3[i mod lengthof(compl3)], cn_nr, inc_countername, expect_compl_l3_success); } } type enumerated Compl3Type { /* CS */ LU, CMSERV, PAGRESP, IMSIDETACH, /* PS */ ATTACHREQ, RAUREQ, DETREQ }; private function f_gen_one_compl_l3(Compl3Type compl3type, template (value) MobileIdentityLV mi, integer ps_nri := -1 ) return octetstring { /* CS */ if (compl3type == LU) { return enc_PDU_ML3_MS_NW(valueof(ts_LU_REQ(LU_Type_IMSI_Attach, valueof(mi), '00F110'O))); } if (compl3type == CMSERV) { return enc_PDU_ML3_MS_NW(valueof(ts_CM_SERV_REQ(CM_TYPE_MO_CALL, valueof(mi)))); } if (compl3type == PAGRESP) { return enc_PDU_ML3_MS_NW(valueof(ts_PAG_RESP(valueof(mi)))); } if (compl3type == IMSIDETACH) { return enc_PDU_ML3_MS_NW(valueof(ts_ML3_MO_MM_IMSI_DET_Ind(valueof(mi)))); } /* PS */ var template (omit) NetworkResourceIdentifierContainerTLV nri := omit; if (ps_nri >= 0) { nri := valueof(ts_GMM_NRI(ps_nri)); } if (compl3type == ATTACHREQ) { return enc_PDU_L3_MS_SGSN(valueof(ts_GMM_ATTACH_REQ(valueof(mi), f_RAI('001'H, '01'H, '2a2a'O, '17'O), nri := nri))); } if (compl3type == RAUREQ) { return enc_PDU_L3_MS_SGSN(valueof(ts_GMM_RAU_REQ(valueof(mi), GPRS_UPD_T_PERIODIC, f_RAI('001'H, '01'H, '2a2a'O, '17'O), nri := nri))); } if (compl3type == DETREQ) { return enc_PDU_L3_MS_SGSN(valueof(ts_GMM_DET_REQ_MO_mi(c_GMM_DTT_MO_GPRS, power_off := false, p_tmsi := valueof(ts_MI_TLV(mi.mobileIdentityV))))); } setverdict(fail, "unknown complete layer 3 type"); mtc.stop; } type record of Compl3Type ro_Compl3Type; type record of MobileIdentityLV ro_MobileIdentityLV; type record of octetstring ro_octetstring; /* Generate a list of n Complete Layer 3 NAS PDUs, * rotating through the message kinds listed in 'types' and the mobile identities in mis. */ private function f_gen_compl_l3(ro_Compl3Type types, ro_MobileIdentityLV mis, integer n) return ro_octetstring { var ro_octetstring res := {}; for (var integer i := 0; i < n; i := i + 1) { var integer ti := i mod lengthof(types); var integer mi := i mod lengthof(mis); res[i] := f_gen_one_compl_l3(types[ti], mis[mi]); } return res; } private function f_gen_mi_imsi(integer n) return MobileIdentityLV { return valueof(ts_MI_IMSI_LV(f_gen_imsi(n))); } private function f_gen_mi_imsis(integer n) return ro_MobileIdentityLV { var ro_MobileIdentityLV mis := {}; for (var integer i := 0; i < n; i := i + 1) { mis[i] := f_gen_mi_imsi(n); } return mis; } function f_vty_set_roundrobin_next(TELNETasp_PT VTY, boolean ps_domain, integer cn_nr) { var charstring msc_sgsn; if (ps_domain) { msc_sgsn := "sgsn"; } else { msc_sgsn := "msc"; } f_vty_transceive(VTY, "cnpool roundrobin next " & msc_sgsn & " " & int2str(cn_nr)); } private function f_gen_compl3_by_domain(boolean ps_domain, integer n, template (omit) ro_MobileIdentityLV mis := omit) return ro_octetstring{ var ro_Compl3Type types; if (ps_domain) { types := { ATTACHREQ, RAUREQ, DETREQ }; } else { types := { LU, CMSERV, PAGRESP, IMSIDETACH }; } if (istemplatekind(mis, "omit")) { mis := f_gen_mi_imsis(n); } return f_gen_compl_l3(types, valueof(mis), n); } /* Various Complete Layer 3 by IMSI all end up with the first MSC, because the other MSCs are not connected. */ testcase TC_mscpool_L3Compl_on_1_cnlink() runs on test_CT { f_TC_cnpool_L3Compl_on_1_cnlink(ps_domain := false); } testcase TC_sgsnpool_L3Compl_on_1_cnlink() runs on test_CT { f_TC_cnpool_L3Compl_on_1_cnlink(ps_domain := true); } function f_TC_cnpool_L3Compl_on_1_cnlink(boolean ps_domain) runs on test_CT { f_init(); f_ctrs_cn_init(ps_domain := ps_domain); var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 4); f_TC_cnpool_compl_l3_list(ps_domain, compl3, {0, 0, 0, 0}, "cnpool:subscr:new"); f_shutdown_helper(); } /* Three Layer 3 Complete by IMSI are round-robin'ed across two connected MSCs */ testcase TC_mscpool_L3Complete_by_imsi_round_robin() runs on test_CT { f_TC_cnpool_L3Complete_by_imsi_round_robin(ps_domain := false); } testcase TC_sgsnpool_L3Complete_no_nri_round_robin() runs on test_CT { f_TC_cnpool_L3Complete_by_imsi_round_robin(ps_domain := true); } function f_TC_cnpool_L3Complete_by_imsi_round_robin(boolean ps_domain) runs on test_CT { f_init(nr_msc := 2, nr_sgsn := 2); f_sleep(1.0); /* Control which MSC gets chosen next by the round-robin, otherwise * would be randomly affected by which other tests ran before this. */ f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0); f_ctrs_cn_init(ps_domain := ps_domain); var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 3); f_TC_cnpool_compl_l3_list(ps_domain, compl3, /* Third Complete Layer 3 wraps back to msc 0 */ cn_nrs := {0, 1, 0}, inc_countername := "cnpool:subscr:new"); f_shutdown_helper(); } /* Three LU by TMSI are round-robin'ed across two connected MSCs, because they contain a NULL-NRI (0, 1) * (configured in osmo-hnbgw.cfg). */ testcase TC_mscpool_LU_by_tmsi_null_nri_0_round_robin() runs on test_CT { f_TC_cnpool_LU_by_tmsi_null_nri_N_round_robin(ps_domain := false, nri_val := 0); } /* For NRI == 1, one of the MSC also has the NULL-NRI as part of its owned NRIs, but the NULL-NRI setting is stronger * than that. */ testcase TC_mscpool_LU_by_tmsi_null_nri_1_round_robin() runs on test_CT { f_TC_cnpool_LU_by_tmsi_null_nri_N_round_robin(ps_domain := false, nri_val := 1); } function f_TC_cnpool_LU_by_tmsi_null_nri_N_round_robin(boolean ps_domain, integer nri_val) runs on test_CT { f_init(nr_msc := 2, nr_sgsn := 2); f_sleep(1.0); /* Control which MSC gets chosen next by the round-robin, otherwise * would be randomly affected by which other tests ran before this. */ f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0); f_ctrs_cn_init(ps_domain := ps_domain); var ro_MobileIdentityLV mis := { valueof(ts_MI_TMSI_NRI_LV(nri_val)) }; var ro_octetstring compl3; if (ps_domain) { compl3 := { f_gen_one_compl_l3(ATTACHREQ, mis[0], nri_val) }; } else { compl3 := f_gen_compl_l3({LU}, mis, 1); } f_TC_cnpool_compl_l3_list(ps_domain, compl3, /* The third Complete Layer 3 wraps back to msc 0 */ {0, 1, 0}, "cnpool:subscr:reattach"); f_shutdown_helper(); } /* Three Layer 3 Complete by TMSI are round-robin'ed across two connected MSCs, because they contain an NRI not * assigned to any MSC (configured in osmo-hnbgw.cfg). */ testcase TC_mscpool_L3Complete_by_tmsi_unassigned_nri_round_robin() runs on test_CT { f_TC_cnpool_L3Complete_by_tmsi_unassigned_nri_round_robin(ps_domain := false); } function f_TC_cnpool_L3Complete_by_tmsi_unassigned_nri_round_robin(boolean ps_domain) runs on test_CT { f_init(nr_msc := 2, nr_sgsn := 2); f_sleep(1.0); /* Control which MSC gets chosen next by the round-robin, otherwise * would be randomly affected by which other tests ran before this. */ f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0); f_ctrs_cn_init(ps_domain := ps_domain); /* 3 NRIs that are not assigned to any MSC */ var ro_MobileIdentityLV mis := { valueof(ts_MI_TMSI_NRI_LV(1000)), valueof(ts_MI_TMSI_NRI_LV(768)), valueof(ts_MI_TMSI_NRI_LV(819)) }; var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 3, mis); f_TC_cnpool_compl_l3_list(ps_domain, compl3, { 0, 1, 0 }, "cnpool:subscr:new"); f_shutdown_helper(); } /* Three Layer 3 Complete by TMSI are round-robin'ed across two connected MSCs, because they contain an NRI * assigned to a CN link that is currently not connected (configured in osmo-hnbgw.cfg). */ testcase TC_mscpool_L3Complete_by_tmsi_valid_nri_msc_not_connected_round_robin() runs on test_CT { f_TC_cnpool_L3Complete_by_tmsi_valid_nri_msc_not_connected_round_robin(ps_domain := false); } function f_TC_cnpool_L3Complete_by_tmsi_valid_nri_msc_not_connected_round_robin(boolean ps_domain) runs on test_CT { f_init(nr_msc := 2, nr_sgsn := 2); f_sleep(1.0); /* Control which MSC gets chosen next by the round-robin, otherwise * would be randomly affected by which other tests ran before this. */ f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0); f_ctrs_cn_init(ps_domain := ps_domain); /* 3 NRIs that are assigned to an unconnected MSC */ var ro_MobileIdentityLV mis := { valueof(ts_MI_TMSI_NRI_LV(512)), valueof(ts_MI_TMSI_NRI_LV(767)), valueof(ts_MI_TMSI_NRI_LV(750)) }; var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 3, mis); f_TC_cnpool_compl_l3(ps_domain, compl3[0], cn_nr := 0); f_ctrs_cn_add(2, "cnpool:subscr:attach_lost"); f_ctrs_cn_add(0, "cnpool:subscr:new"); f_ctrs_cn_verify(); f_TC_cnpool_compl_l3(ps_domain, compl3[1], cn_nr := 1); f_ctrs_cn_add(2, "cnpool:subscr:attach_lost"); f_ctrs_cn_add(1, "cnpool:subscr:new"); f_ctrs_cn_verify(); f_TC_cnpool_compl_l3(ps_domain, compl3[2], cn_nr := 0); f_ctrs_cn_add(2, "cnpool:subscr:attach_lost"); f_ctrs_cn_add(0, "cnpool:subscr:new"); f_ctrs_cn_verify(); f_shutdown_helper(); } /* Three Layer 3 Complete by TMSI with valid NRI for the second MSC are all directed to the second MSC (configured in * osmo-hnbgw.cfg). */ testcase TC_mscpool_L3Complete_by_tmsi_valid_nri_1() runs on test_CT { f_TC_cnpool_L3Complete_valid_nri_1(ps_domain := false); } testcase TC_sgsnpool_L3Complete_valid_nri_1() runs on test_CT { f_TC_cnpool_L3Complete_valid_nri_1(ps_domain := true); } function f_TC_cnpool_L3Complete_valid_nri_1(boolean ps_domain) runs on test_CT { f_init(nr_msc := 2, nr_sgsn := 2); f_sleep(1.0); /* All TMSIs in this test point at the second MSC, set the round robin to point at the first MSC to make sure * this is not using round-robin. */ f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0); f_ctrs_cn_init(ps_domain := ps_domain); var ro_octetstring compl3; /* 3 NRIs of the second MSC's range (256-511) */ var ro_MobileIdentityLV mis := { valueof(ts_MI_TMSI_NRI_LV(256)), valueof(ts_MI_TMSI_NRI_LV(260)), valueof(ts_MI_TMSI_NRI_LV(511)) }; if (ps_domain) { compl3 := { f_gen_one_compl_l3(RAUREQ, mis[0], 256), f_gen_one_compl_l3(RAUREQ, mis[1], 260), f_gen_one_compl_l3(RAUREQ, mis[2], 511) }; } else { compl3 := f_gen_compl3_by_domain(ps_domain, 3, mis); } f_TC_cnpool_compl_l3_list(ps_domain, compl3, {1, 1, 1}, "cnpool:subscr:known"); f_shutdown_helper(); } /* Layer 3 Complete by TMSI with valid NRI for the third MSC are directed to the third MSC (configured in osmo-hnbgw.cfg), * while a round-robin remains unaffected by that. */ testcase TC_mscpool_L3Complete_by_tmsi_valid_nri_2() runs on test_CT { f_TC_cnpool_L3Complete_valid_nri_2(ps_domain := false); } testcase TC_sgsnpool_L3Complete_valid_nri_2() runs on test_CT { f_TC_cnpool_L3Complete_valid_nri_2(ps_domain := true); } function f_TC_cnpool_L3Complete_valid_nri_2(boolean ps_domain) runs on test_CT { f_init(nr_msc := 3, nr_sgsn := 3); f_sleep(1.0); /* All TMSIs in this test point at the third MSC, set the round robin to point at the second MSC to make sure * this is not using round-robin. */ f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 1); f_ctrs_cn_init(ps_domain := ps_domain); var ro_octetstring compl3; /* 2 NRIs of the third MSC's range (512-767) */ var ro_MobileIdentityLV mis := { valueof(ts_MI_TMSI_NRI_LV(512)), valueof(ts_MI_TMSI_NRI_LV(678)) }; if (ps_domain) { compl3 := { f_gen_one_compl_l3(ATTACHREQ, mis[0], 512), f_gen_one_compl_l3(ATTACHREQ, mis[1], 678) }; } else { compl3 := f_gen_compl3_by_domain(ps_domain, 2, mis); } f_TC_cnpool_compl_l3_list(ps_domain, compl3, {2, 2}, "cnpool:subscr:known"); /* The above forwardings to third MSC have not affected the round robin, which still points at the second MSC */ f_TC_cnpool_compl_l3_list(ps_domain, f_gen_compl3_by_domain(ps_domain, 1), {1}, "cnpool:subscr:new"); f_shutdown_helper(); } /* LU with a TMSI but indicating a different PLMN in its previous LAI: ignore the NRI. */ testcase TC_mscpool_LU_by_tmsi_from_other_PLMN() runs on test_CT { f_TC_cnpool_nri_from_other_PLMN(ps_domain := false); } testcase TC_sgsnpool_nri_from_other_PLMN() runs on test_CT { f_TC_cnpool_nri_from_other_PLMN(ps_domain := true); } function f_TC_cnpool_nri_from_other_PLMN(boolean ps_domain) runs on test_CT { f_init(nr_msc := 3, nr_sgsn := 3); f_sleep(1.0); /* The TMSIs in this test points at the second MSC, but since it is from a different PLMN, round-robin is used * instead, and hits msc 0. */ f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0); f_ctrs_cn_init(ps_domain := ps_domain); var ro_octetstring compl3; var ro_MobileIdentityLV mis := { valueof(ts_MI_TMSI_NRI_LV(260)), valueof(ts_MI_TMSI_NRI_LV(555)) }; if (ps_domain) { compl3 := { /* An NRI of the second MSC's range (256-511), but a PLMN that doesn't match with osmo-hnbgw.cfg */ enc_PDU_L3_MS_SGSN(valueof(ts_GMM_ATTACH_REQ(mis[0], f_RAI('999'H, '99'H, '2a2a'O, '17'O), nri := ts_GMM_NRI(260) ))), /* An NRI of the third MSC's range (512-767) and a matching PLMN gets directed by NRI. */ f_gen_one_compl_l3(ATTACHREQ, mis[1], 555) } } else { compl3 := { /* An NRI of the second MSC's range (256-511), but a PLMN that doesn't match with osmo-hnbgw.cfg */ enc_PDU_ML3_MS_NW(valueof(ts_LU_REQ(LU_Type_IMSI_Attach, mis[0], '99F999'O))), /* An NRI of the third MSC's range (512-767) and a matching PLMN gets directed by NRI. */ enc_PDU_ML3_MS_NW(valueof(ts_LU_REQ(LU_Type_IMSI_Attach, mis[1], '00F110'O))) }; } /* Foreign NRI: roundrobin */ f_TC_cnpool_compl_l3(ps_domain, compl3[0], cn_nr := 0, inc_countername := "cnpool:subscr:new"); /* Local NRI: matching msc */ f_TC_cnpool_compl_l3(ps_domain, compl3[1], cn_nr := 2, inc_countername := "cnpool:subscr:known"); f_shutdown_helper(); } /* Make sure that whichever MSC paged a subscriber will also get the Paging Response. Page by IMSI, which would be * round-robined to another MSC, to make sure the Paging->Response relation is stronger than the NRI->MSC mapping. */ friend function f_tc_mscpool_paging_imsi(charstring id) runs on ConnHdlr { var hexstring imsi := '001010000000123'H; var RANAP_IEs.CN_DomainIndicator domain_ind; if (g_pars.ps_domain) { domain_ind := ps_domain; } else { domain_ind := cs_domain; } var template (value) RANAP_PDU paging := ts_RANAP_Paging(domain_ind, imsi_hex2oct(imsi)); BSSAP.send(ts_RANAP_UNITDATA_req(g_pars.sccp_addr_hnbgw, g_pars.sccp_addr_msc, paging)); /* TODO: Expect RUA ConnectionlessTransfer Paging (on all HNB). * We could verify the Paging sent from osmo-hnbgw to RUA with some effort, * but, this test does not care whether the Paging was forwarded to RUA or not, only that osmo-hnbgw *received* * the Paging. In the CN pool decisions, osmo-hnbgw should match up Paging Response to an earlier Paging. */ f_sleep(1.0); /* Despite the round robin pointing at the second MSC ('roundrobin next msc 1'), the earlier Paging for the same IMSI * causes this Paging Response to go to the first MSC ('msc 0'). */ f_perform_compl_l3(f_gen_one_compl_l3(PAGRESP, ts_MI_IMSI_LV(imsi))); f_sleep(1.0); } testcase TC_mscpool_paging_imsi() runs on test_CT { f_init(nr_msc := 3); f_sleep(1.0); var boolean ps_domain := false; /* Testing a Paging on the first MSC to get a Paging Response back to the first MSC. Set round robin to the * second MSC to make sure we're getting the Paging logic, not a coincidental round robin match. */ f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0); f_ctrs_cn_init(ps_domain := ps_domain); var ConnHdlr vc_conn1; var template (value) TestHdlrParams pars1 := f_TestHdlrParams(0, ps_domain := ps_domain, cn_nr := 0); vc_conn1 := f_start_handler_with_pars(refers(f_tc_mscpool_paging_imsi), pars1); vc_conn1.done; f_ctrs_cn_expect(0, "cnpool:subscr:paged"); f_shutdown_helper(); } /* Make sure that whichever MSC paged a subscriber will also get the Paging Response. Page by TMSI with an NRI value * that matches a different MSC, to make sure the Paging->Response relation is stronger than the NRI->MSC mapping. */ friend function f_tc_mscpool_paging_tmsi(charstring id) runs on ConnHdlr { var hexstring imsi := '001010000000124'H; var integer nri_v := 300; /* <-- second MSC's NRI */ var octetstring tmsi := f_gen_tmsi(suffix := 0, nri_v := nri_v); var RANAP_IEs.CN_DomainIndicator domain_ind; if (g_pars.ps_domain) { domain_ind := ps_domain; } else { domain_ind := cs_domain; } var template (value) RANAP_PDU paging := ts_RANAP_Paging_temp_id(domain_ind, imsi_hex2oct(imsi), ts_RANAP_TemporaryUE_ID_TMSI(tmsi)); BSSAP.send(ts_RANAP_UNITDATA_req(g_pars.sccp_addr_hnbgw, g_pars.sccp_addr_msc, paging)); /* TODO: Expect RUA ConnectionlessTransfer Paging (on all HNB). * We could verify the Paging sent from osmo-hnbgw to RUA with some effort, * but, this test does not care whether the Paging was forwarded to RUA or not, only that osmo-hnbgw *received* * the Paging. In the CN pool decisions, osmo-hnbgw should match up Paging Response to an earlier Paging. */ f_sleep(1.0); /* Despite the round robin pointing at the third MSC ('roundrobin next msc 2'), the earlier Paging for the same * TMSI causes this Paging Response to go to the first MSC ('msc 0'). */ f_perform_compl_l3(f_gen_one_compl_l3(PAGRESP, ts_MI_TMSI_NRI_LV(nri_v))); f_sleep(1.0); } testcase TC_mscpool_paging_tmsi() runs on test_CT { f_init(nr_msc := 3); f_sleep(1.0); var boolean ps_domain := false; /* Testing a Paging on the first MSC to get a Paging Response back to the first MSC. Set round robin to the * third MSC to make sure we're getting the Paging logic, not a coincidental round robin match. */ f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0); f_ctrs_cn_init(ps_domain := ps_domain); var ConnHdlr vc_conn1; var template (value) TestHdlrParams pars1 := f_TestHdlrParams(0, ps_domain := ps_domain, cn_nr := 0); vc_conn1 := f_start_handler_with_pars(refers(f_tc_mscpool_paging_tmsi), pars1); vc_conn1.done; f_ctrs_cn_expect(0, "cnpool:subscr:paged"); f_shutdown_helper(); } /* For round-robin, skip a CN link that has 'no allow-attach' set. */ testcase TC_mscpool_no_allow_attach_round_robin() runs on test_CT { f_init(nr_msc := 3); f_sleep(1.0); var boolean ps_domain := false; /* Mark the second MSC as offloading, round-robin should skip this MSC now. */ f_vty_cnlink_allow_attach(HNBGWVTY, ps_domain, {true, false, true}); /* Control which MSC gets chosen next by the round-robin, otherwise * would be randomly affected by which other tests ran before this. */ f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0); f_ctrs_cn_init(ps_domain := ps_domain); f_TC_cnpool_compl_l3_list(ps_domain, f_gen_compl3_by_domain(ps_domain, 3), /* msc 1 is skipped */ {0, 2, 0}, "cnpool:subscr:new"); f_shutdown_helper(); } /* An MSC that has 'no allow-attach' set should still serve subscribers that are already attached according to their * TMSI NRI. */ testcase TC_mscpool_no_allow_attach_valid_nri() runs on test_CT { f_init(nr_msc := 3); f_sleep(1.0); var boolean ps_domain := false; /* Mark the second MSC as offloading, round-robin should skip this MSC now. */ f_vty_cnlink_allow_attach(HNBGWVTY, ps_domain, {true, false, true}); /* Control which MSC gets chosen next by the round-robin, otherwise * would be randomly affected by which other tests ran before this. */ f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0); f_ctrs_cn_init(ps_domain := ps_domain); var ro_MobileIdentityLV mis := { valueof(ts_MI_TMSI_NRI_LV(260)), valueof(ts_MI_IMSI_LV('001010000000002'H)), valueof(ts_MI_IMSI_LV('001010000000003'H)) }; var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 3, mis); /* Round robin points at msc 0, but the valid NRI directs to msc 1, even though msc 1 has 'no allow-attach'. */ f_TC_cnpool_compl_l3(ps_domain, compl3[0], cn_nr := 1, inc_countername := "cnpool:subscr:known"); /* Normal round robin skips msc 1, because it has 'no allow-attach' */ f_TC_cnpool_compl_l3(ps_domain, compl3[1], cn_nr := 0, inc_countername := "cnpool:subscr:new"); f_TC_cnpool_compl_l3(ps_domain, compl3[2], cn_nr := 2, inc_countername := "cnpool:subscr:new"); f_shutdown_helper(); } /* When a peer point-code gets an SCCP N-PCSTATE saying it is unreachable, immediately mark the CN link as unusable. */ testcase TC_mscpool_sccp_n_pcstate_detaches_cnlink() runs on test_CT { f_TC_cnpool_sccp_n_pcstate_detaches_cnlink(ps_domain := false); } testcase TC_sgsnpool_sccp_n_pcstate_detaches_cnlink() runs on test_CT { f_TC_cnpool_sccp_n_pcstate_detaches_cnlink(ps_domain := true); } function f_TC_cnpool_sccp_n_pcstate_detaches_cnlink(boolean ps_domain) runs on test_CT { f_init(nr_msc := 2, nr_sgsn := 2); f_sleep(1.0); /* Control which MSC gets chosen next by the round-robin, otherwise * would be randomly affected by which other tests ran before this. */ f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0); f_ctrs_cn_init(ps_domain := ps_domain); var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 3); f_TC_cnpool_compl_l3(ps_domain, compl3[0], cn_nr := 0, inc_countername := "cnpool:subscr:new"); f_TC_cnpool_compl_l3(ps_domain, compl3[1], cn_nr := 1, inc_countername := "cnpool:subscr:new"); f_logp(HNBGWVTY, "disconnecting msc0"); f_cn_idx_disconnect(f_cn_idx(ps_domain, 0)); /* Now round-robin would wrap to the first MSC, but since the first MSC is disconnected, it wraps around to the * second. */ f_TC_cnpool_compl_l3(ps_domain, compl3[2], cn_nr := 1, inc_countername := "cnpool:subscr:new"); f_shutdown_helper(); } /* When a CN link point-code gets an SCCP N-PCSTATE saying it is now reachable, immediately trigger RESET and bring up the * MSC. */ testcase TC_mscpool_sccp_n_pcstate_attaches_cnlink() runs on test_CT { f_TC_cnpool_sccp_n_pcstate_attaches_cnlink(ps_domain := false); } testcase TC_sgsnpool_sccp_n_pcstate_attaches_cnlink() runs on test_CT { f_TC_cnpool_sccp_n_pcstate_attaches_cnlink(ps_domain := true); } function f_TC_cnpool_sccp_n_pcstate_attaches_cnlink(boolean ps_domain) runs on test_CT { f_init(nr_msc := 1, nr_sgsn := 1); f_sleep(1.0); /* Control which MSC gets chosen next by the round-robin, otherwise * would be randomly affected by which other tests ran before this. */ f_vty_set_roundrobin_next(HNBGWVTY, ps_domain, 0); var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 3); f_ctrs_cn_init(ps_domain := ps_domain); /* There is only one MSC, round robin stays on msc0 */ f_TC_cnpool_compl_l3(ps_domain := ps_domain, nas_pdu := compl3[0], cn_nr := 0, inc_countername := "cnpool:subscr:new"); f_TC_cnpool_compl_l3(ps_domain := ps_domain, nas_pdu := compl3[1], cn_nr := 0, inc_countername := "cnpool:subscr:new"); f_logp(HNBGWVTY, "connecting cnlink 1"); f_cn_nr_init(ps_domain, 1); f_vty_cnlink_allow_attach(HNBGWVTY, ps_domain, { true, true }); f_sleep(1.0); /* This time round-robin wraps to the second MSC, because it is now online. */ f_TC_cnpool_compl_l3(ps_domain := ps_domain, nas_pdu := compl3[2], cn_nr := 1, inc_countername := "cnpool:subscr:new"); f_shutdown_helper(); } private function f_vty_add_sccp_addr(TELNETasp_PT pt, charstring addr_name, charstring pc, integer cs7_nr := 0) { f_vty_enter_config(pt); f_vty_transceive(pt, "cs7 instance 0"); f_vty_transceive(pt, "sccp-address " & addr_name); f_vty_transceive(pt, "point-code " & pc); f_vty_transceive(pt, "end"); } private function f_vty_set_cnlink_addr(TELNETasp_PT pt, charstring cnlink_and_nr, charstring addr_name) { f_vty_enter_config(pt); f_vty_transceive(pt, cnlink_and_nr); f_vty_transceive(pt, "remote-addr " & addr_name); f_vty_transceive(pt, "end"); } private function f_vty_apply_sccp(TELNETasp_PT pt) { f_vty_enter_config(pt); f_vty_transceive(pt, "apply sccp"); f_vty_transceive(pt, "end"); } /* With a cnlink up, change the SCCP address, and verify that it restarts upon vty 'apply sccp' */ private function f_tc_apply_sccp(charstring id) runs on ConnHdlr { f_perform_compl_l3(f_gen_compl3_by_domain(g_pars.ps_domain, 1)[0]); f_sleep(1.0); f_logp(HNBGWVTY, "Changing SCCP address, don't apply yet"); f_vty_add_sccp_addr(HNBGWVTY, "msc-foo", "0.42.4"); f_vty_set_cnlink_addr(HNBGWVTY, "msc 0", "msc-foo"); /* No effect yet, link still open both ways */ f_sleep(1.0); f_iuh2iu(ts_RANAP_DirectTransfer(f_rnd_octstring(10))); f_iu2iuh(ts_RANAP_DirectTransfer(f_rnd_octstring(10))); f_logp(HNBGWVTY, "Apply SCCP address changes"); f_vty_apply_sccp(HNBGWVTY); /* We modified the SCCP configuration, expect disconnect of UE that was active on the aborted link. */ RUA.receive(RUA_Disc_Ind:?); BSSAP.receive(tr_MSC_CONN_PRIM_DISC_IND); /* Would be nice to test reconnection on the other point-code, too. That would require another cnlink in * osmo-stp.cfg and module parameters... */ f_sleep(1.0); } testcase TC_apply_sccp() runs on test_CT { f_init(); f_sleep(1.0); var ConnHdlr vc_conn; var template (value) TestHdlrParams pars := f_TestHdlrParams(0); vc_conn := f_start_handler_with_pars(refers(f_tc_apply_sccp), pars); vc_conn.done; f_shutdown_helper(); } /* In the field, we encountered a "normal" RAB Assignment that concludes successfully, followed by another RAB * Assignment that has different SDU subflow parameters, and does not contain RTP information. At the time of writing, * it seems that the second RAB Assignment causes a crash. Play through this scenario. */ friend function f_tc_second_rab_assignment(charstring id) runs on ConnHdlr { var MgcpCommand mgcp_cmd; var RANAP_PDU tx; timer T := 5.0; tx := f_build_initial_ue(g_pars); f_iuh2iu_connect(tx); f_create_rab_cs(); /* Now send a second RAB Assignment with different subflows and omitting transportLayerInformation. (Assuming * the first RAB Assignment's transportLayerInformation remains in use unchanged.) */ var template RAB_SetupOrModifyList rab_sml; rab_sml := ts_RAB_SML2(t_RAB_id(23), ts_RabParams, user_plane_info := omit, transport_layer_info := omit); tx := valueof(ts_RANAP_RabAssReq(rab_sml)); BSSAP.send(tx); T.start; /* Expect this secondary RAB Assignment to go through unchanged. */ f_rua_expect(tx); /* I'm guessing that the RAB Assignment Response also omits transportLayerInformation, so far not known because * osmo-hnbgw crashed before we could receive the response. */ /* Send back RAB Assignment Response via Iuh */ var template RAB_SetupOrModifiedList rab_smdl; rab_smdl := ts_RAB_SMdL_no_tla(t_RAB_id(23)); tx := valueof(ts_RANAP_RabAssResp(rab_smdl)); RUA.send(tx); f_bssap_expect(tx); /* Send Iu Release */ f_cn_iu_release_procedure(mgcp_teardown := true); } testcase TC_second_rab_assignment() runs on test_CT { var ConnHdlr vc_conn; g_num_hnbs := 1; f_init(); vc_conn := f_start_handler_with_pars(refers(f_tc_second_rab_assignment), f_TestHdlrParams(3)); vc_conn.done; f_shutdown_helper(); } /* When no CN was found for a UE / domain, make sure osmo-hnbgw returns a Disconnect (OS#6283) */ function f_TC_cnpool_L3Compl_no_cn(boolean ps_domain) runs on test_CT { /* Have one MSC and one SGSN but do not allow attaching. * I would use no MSCs and no SGSNs, but then we need many tweaks to allow test startup without any "BSSAP" * port. */ f_init(); f_vty_cnlink_allow_attach(HNBGWVTY, ps_domain, {false}); f_ctrs_cn_init(ps_domain := ps_domain); var ro_octetstring compl3 := f_gen_compl3_by_domain(ps_domain, 4); f_TC_cnpool_compl_l3_list(ps_domain, compl3, {0, 0, 0, 0}, omit, expect_compl_l3_success := false); f_shutdown_helper(); } testcase TC_mscpool_L3Compl_no_cn() runs on test_CT { f_TC_cnpool_L3Compl_no_cn(ps_domain := false); } testcase TC_sgsnpool_L3Compl_no_cn() runs on test_CT { f_TC_cnpool_L3Compl_no_cn(ps_domain := true); } control { execute(TC_hnb_register()); execute(TC_hnb_register_duplicate()); execute(TC_hnb_register_duplicate_reuse_sctp_assoc()); execute(TC_hnb_disconnected_timeout()); execute(TC_ue_register()); execute(TC_ue_register_tmsi_lai()); execute(TC_ue_register_before_hnb_register()); execute(TC_ranap_cs_initial_ue()); execute(TC_ranap_ps_initial_ue()); execute(TC_ranap_cs_initial_ue_empty_cr()); execute(TC_ranap_ps_initial_ue_empty_cr()); execute(TC_ranap_cs_bidir()); execute(TC_ranap_ps_bidir()); execute(TC_rab_assignment()); execute(TC_rab_assignment_concurrent()); execute(TC_rab_release()); execute(TC_rab_release_abnormal()); execute(TC_rab_assign_fail()); execute(TC_rab_assign_mgcp_to()); execute(TC_rab_assign_mgw_iuup_addr_chg()); execute(TC_ranap_cs_mo_disconnect()); execute(TC_ranap_ps_mo_disconnect()); execute(TC_ranap_cs_creq_cref()); execute(TC_ranap_ps_creq_cref()); execute(TC_ps_rua_disconnect_during_sccp_cr_cc()); execute(TC_cs_rua_disconnect_during_sccp_cr_cc()); execute(TC_cs_iu_release_req_rua_disconnect()); execute(TC_ps_iu_release_req_rua_disconnect()); execute(TC_ps_rab_assignment()); execute(TC_ps_rab_assignment_concurrent()); execute( TC_mscpool_L3Compl_on_1_cnlink() ); execute( TC_mscpool_L3Complete_by_imsi_round_robin() ); execute( TC_mscpool_LU_by_tmsi_null_nri_0_round_robin() ); execute( TC_mscpool_LU_by_tmsi_null_nri_1_round_robin() ); execute( TC_mscpool_L3Complete_by_tmsi_unassigned_nri_round_robin() ); execute( TC_mscpool_L3Complete_by_tmsi_valid_nri_msc_not_connected_round_robin() ); execute( TC_mscpool_L3Complete_by_tmsi_valid_nri_1() ); execute( TC_mscpool_L3Complete_by_tmsi_valid_nri_2() ); execute( TC_mscpool_L3Compl_no_cn() ); execute( TC_mscpool_LU_by_tmsi_from_other_PLMN() ); execute( TC_mscpool_paging_imsi() ); execute( TC_mscpool_paging_tmsi() ); execute( TC_mscpool_no_allow_attach_round_robin() ); execute( TC_mscpool_no_allow_attach_valid_nri() ); execute( TC_mscpool_sccp_n_pcstate_detaches_cnlink() ); execute( TC_mscpool_sccp_n_pcstate_attaches_cnlink() ); execute( TC_sgsnpool_L3Compl_on_1_cnlink() ); execute( TC_sgsnpool_L3Complete_no_nri_round_robin() ); execute( TC_sgsnpool_L3Complete_valid_nri_1() ); execute( TC_sgsnpool_L3Complete_valid_nri_2() ); execute( TC_sgsnpool_L3Compl_no_cn() ); execute( TC_sgsnpool_nri_from_other_PLMN() ); execute( TC_sgsnpool_sccp_n_pcstate_detaches_cnlink() ); execute( TC_sgsnpool_sccp_n_pcstate_attaches_cnlink() ); execute(TC_second_rab_assignment()); execute(TC_hnb_reregister_reuse_sctp_assoc()); /* Run at the end since it messes with the SCCP config */ execute( TC_apply_sccp() ); } }