Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1 | module HNBGW_Tests { |
| 2 | |
| 3 | /* Integration Tests for OsmoHNBGW |
| 4 | * (C) 2021 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Released under the terms of GNU General Public License, Version 2 or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 11 | * |
| 12 | * This test suite tests OsmoHNBGW while emulating the hNodeB as well as MSC, SGSN, MGW |
| 13 | * See README for more details. |
| 14 | */ |
| 15 | |
| 16 | import from Misc_Helpers all; |
| 17 | import from General_Types all; |
| 18 | import from GSM_Types all; |
| 19 | import from Osmocom_Types all; |
| 20 | import from IPL4asp_Types all; |
Neels Hofmeyr | 1e31146 | 2023-01-11 01:19:12 +0100 | [diff] [blame] | 21 | import from Native_Functions all; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 22 | |
| 23 | import from Osmocom_CTRL_Functions all; |
| 24 | import from Osmocom_CTRL_Types all; |
| 25 | import from Osmocom_CTRL_Adapter all; |
| 26 | |
| 27 | import from StatsD_Types all; |
| 28 | import from StatsD_CodecPort all; |
| 29 | import from StatsD_CodecPort_CtrlFunct all; |
| 30 | import from StatsD_Checker all; |
| 31 | |
| 32 | import from Osmocom_VTY_Functions all; |
| 33 | import from TELNETasp_PortType all; |
| 34 | |
| 35 | import from HNBAP_Templates all; |
| 36 | import from HNBAP_PDU_Descriptions all; |
| 37 | |
| 38 | import from RUA_IEs all; |
| 39 | import from RUA_Templates all; |
| 40 | import from RUA_Emulation all; |
| 41 | |
| 42 | import from Iuh_Emulation all; |
| 43 | |
| 44 | import from RANAP_Types all; |
| 45 | import from RANAP_PDU_Descriptions all; |
| 46 | import from RANAP_PDU_Contents all; |
| 47 | import from RANAP_IEs all; |
| 48 | import from RANAP_Templates all; |
| 49 | |
| 50 | import from RAN_Adapter all; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 51 | import from RAN_Emulation all; |
| 52 | |
| 53 | import from MGCP_Emulation all; |
| 54 | import from MGCP_Types all; |
| 55 | import from MGCP_Templates all; |
| 56 | import from MGCP_CodecPort all; |
| 57 | import from SDP_Types all; |
| 58 | |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 59 | import from PFCP_Types all; |
| 60 | import from PFCP_Emulation all; |
| 61 | import from PFCP_Templates all; |
| 62 | import from PFCP_CodecPort all; |
| 63 | |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 64 | modulepar { |
| 65 | /* IP address at which the HNodeB can be reached */ |
| 66 | charstring mp_hnodeb_ip := "127.0.0.1"; |
| 67 | integer mp_hnodeb_port := -1; |
| 68 | |
| 69 | /* IP address at which the test binds */ |
| 70 | charstring mp_hnbgw_ip := "127.0.0.1"; |
| 71 | integer mp_hnbgw_iuh_port := 29169; |
| 72 | |
| 73 | charstring mp_mgw_ip := "127.0.0.1"; |
| 74 | integer mp_mgw_port := 2427; |
| 75 | |
| 76 | RAN_Configuration mp_msc_cfg := { |
| 77 | transport := RANAP_TRANSPORT_IuCS, |
| 78 | sccp_service_type := "mtp3_itu", |
| 79 | sctp_addr := { 23905, "127.0.0.1", 2905, "127.0.0.1" }, |
| 80 | own_pc := 188, /* 0.23.4 first MSC emulation */ |
| 81 | own_ssn := 142, |
| 82 | peer_pc := 189, /* 0.23.5 osmo-hnbgw */ |
| 83 | peer_ssn := 142, |
| 84 | sio := '83'O, |
| 85 | rctx := 1 |
| 86 | }; |
| 87 | RAN_Configuration mp_sgsn_cfg := { |
| 88 | transport := RANAP_TRANSPORT_IuCS, |
| 89 | sccp_service_type := "mtp3_itu", |
| 90 | sctp_addr := { 23906, "127.0.0.1", 2905, "127.0.0.1" }, |
| 91 | own_pc := 185, /* 0.23.1 first SGSN emulation */ |
| 92 | own_ssn := 142, |
| 93 | peer_pc := 189, /* 0.23.5 osmo-hnbgw */ |
| 94 | peer_ssn := 142, |
| 95 | sio := '83'O, |
| 96 | rctx := 2 |
| 97 | }; |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 98 | |
Neels Hofmeyr | bacb74f | 2022-08-29 16:24:12 +0200 | [diff] [blame] | 99 | boolean mp_enable_pfcp_tests := false; |
| 100 | |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 101 | /* IP address at which we listen for PFCP to emulate a UPF in ttcn3 */ |
| 102 | charstring mp_pfcp_ip_local := "127.0.0.1"; |
| 103 | |
| 104 | /* IP address from which the SUT (osmo-hnbgw) sends PFCP requests, and to which the ttcn3 UPF emulation sends |
| 105 | * PFCP responses. */ |
| 106 | charstring mp_pfcp_ip_remote := "127.0.0.2"; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 107 | } |
| 108 | |
| 109 | function MSC_UnitdataCallback(RANAP_PDU ranap) runs on RAN_Emulation_CT return template RANAP_PDU { |
| 110 | // TODO: Actually implement unitdata handling |
| 111 | return ts_RANAP_Reset(ts_RanapCause_om_intervention, cs_domain); |
| 112 | } |
| 113 | |
| 114 | const RanOps MSC_RanOps := { |
| 115 | ranap_create_cb := refers(RAN_Emulation.RanapExpectedCreateCallback), |
| 116 | ranap_unitdata_cb := refers(MSC_UnitdataCallback), |
| 117 | ps_domain := false, |
| 118 | decode_dtap := false, |
| 119 | role_ms := false, |
| 120 | protocol := RAN_PROTOCOL_RANAP, |
| 121 | transport := RANAP_TRANSPORT_IuCS, |
| 122 | use_osmux := false, |
Eric Wild | 6e511ce | 2022-04-02 21:35:56 +0200 | [diff] [blame] | 123 | bssap_reset_retries := 1, |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 124 | sccp_addr_local := omit, |
| 125 | sccp_addr_peer := omit |
| 126 | } |
| 127 | |
| 128 | type record CrcxResponse { |
| 129 | integer resp, |
| 130 | HostName mgw_rtp_ip, |
| 131 | PortNumber mgw_rtp_port, |
| 132 | MgcpConnectionId mgcp_connection_id |
| 133 | } |
| 134 | type record MgcpParameters { |
| 135 | integer got_crcx_count, |
| 136 | integer got_dlcx_count, |
| 137 | MgcpCallId mgcp_call_id optional, |
| 138 | MgcpEndpoint mgcp_ep, |
| 139 | CrcxResponse mgw_conn_1, |
| 140 | CrcxResponse mgw_conn_2, |
| 141 | uint7_t rtp_payload_type, |
| 142 | charstring rtp_sdp_format, |
| 143 | HostName hnb_rtp_ip, |
| 144 | PortNumber hnb_rtp_port, |
| 145 | HostName cn_rtp_ip, |
| 146 | PortNumber cn_rtp_port, |
| 147 | boolean use_osmux, |
| 148 | integer got_osmux_count |
| 149 | } |
| 150 | |
| 151 | template (value) MgcpParameters t_MgcpParams := { |
| 152 | got_crcx_count := 0, |
| 153 | got_dlcx_count := 0, |
| 154 | mgcp_call_id := omit, |
| 155 | mgcp_ep := "rtpbridge/1@mgw", |
| 156 | mgw_conn_1 := { |
| 157 | resp := 1, |
| 158 | mgw_rtp_ip := "127.1.2.1", |
| 159 | mgw_rtp_port := 10000, |
| 160 | mgcp_connection_id := '11111'H |
| 161 | }, |
| 162 | mgw_conn_2 := { |
| 163 | resp := 1, |
| 164 | mgw_rtp_ip := "127.1.2.2", |
| 165 | mgw_rtp_port := 20000, |
| 166 | mgcp_connection_id := '22222'H |
| 167 | }, |
Philipp Maier | 6c5ba075 | 2023-07-04 16:53:40 +0200 | [diff] [blame^] | 168 | rtp_payload_type := 112, |
| 169 | rtp_sdp_format := "VND.3GPP.IUFP", |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 170 | hnb_rtp_ip := "127.1.1.1", |
| 171 | hnb_rtp_port := 10001, |
| 172 | cn_rtp_ip := "127.1.3.1", |
| 173 | cn_rtp_port := 20001, |
| 174 | use_osmux := false, |
| 175 | got_osmux_count := 0 |
| 176 | } |
| 177 | |
| 178 | type record TestHdlrParams { |
| 179 | integer hnb_idx, |
| 180 | hexstring imsi, |
| 181 | boolean ps_domain, |
| 182 | MgcpParameters mgcp_pars optional, |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 183 | HnbConfig hnb optional, |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 184 | boolean expect_separate_sccp_cr, |
| 185 | integer tx_sccp_cr_data_len, |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 186 | charstring pfcp_local_addr |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 187 | } |
| 188 | |
| 189 | /* We extend: |
| 190 | * RUA_ConnHdlr (for the Iuh side, emulating the HNB) |
| 191 | * RAN_ConnHdlr (for the Iu side, emulating the MSC) |
| 192 | * MGCP_ConnHdlr (for the MGCP side, emulating the MGW) |
| 193 | */ |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 194 | type component ConnHdlr extends RAN_ConnHdlr, MGCP_ConnHdlr, RUA_ConnHdlr, PFCP_ConnHdlr { |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 195 | var integer g_sccp_conn_id; |
| 196 | var TestHdlrParams g_pars; |
| 197 | timer g_Tguard; |
Neels Hofmeyr | 72a8d62 | 2023-01-26 13:47:01 +0100 | [diff] [blame] | 198 | |
| 199 | port TELNETasp_PT HNBGWVTY; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 200 | } |
| 201 | |
| 202 | |
| 203 | const MGCPOps MSC_MGCPOps := { |
| 204 | create_cb := refers(MGCP_Emulation.ExpectedCreateCallback), |
| 205 | unitdata_cb := refers(MGCP_Emulation.DummyUnitdataCallback) |
| 206 | } |
| 207 | |
| 208 | function f_create_ranap_exp(octetstring l3_enc) runs on ConnHdlr { |
| 209 | BSSAP_PROC.call(RAN_register:{l3_enc, self}) { |
| 210 | [] BSSAP_PROC.getreply(RAN_register:{?, ?}) {}; |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | |
Daniel Willmann | c79679a | 2022-08-23 17:48:39 +0200 | [diff] [blame] | 215 | const integer NUM_HNB := 2; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 216 | |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 217 | type record HnbConfig { |
| 218 | LocationAreaIdentification lai, |
| 219 | integer sac |
| 220 | } |
| 221 | |
| 222 | type component test_CT extends CTRL_Adapter_CT { |
| 223 | var boolean g_initialized := false; |
| 224 | |
| 225 | /********************* Iu side */ |
| 226 | var RAN_Adapter g_msc; |
| 227 | var RAN_Adapter g_sgsn; |
| 228 | /* SGSN IuPS missing */ |
| 229 | |
| 230 | /********************* Iuh side */ |
| 231 | var HnbConfig g_hnb_cfg[NUM_HNB]; |
| 232 | var Iuh_Emulation_CT vc_Iuh[NUM_HNB]; |
| 233 | var RUA_Emulation_CT vc_RUA[NUM_HNB]; |
| 234 | port HNBAP_PT HNBAP[NUM_HNB]; |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 235 | /* Number of HNBs to be used/started by the test */ |
| 236 | var integer g_num_hnbs := NUM_HNB; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 237 | |
| 238 | var MGCP_Emulation_CT vc_MGCP; |
| 239 | port TELNETasp_PT HNBGWVTY; |
| 240 | /* global test case guard timer (actual timeout value is set in f_init()) */ |
| 241 | timer T_guard := 30.0; |
| 242 | } |
| 243 | |
| 244 | /* global altstep for global guard timer; */ |
| 245 | altstep as_Tguard() runs on test_CT { |
| 246 | [] T_guard.timeout { |
| 247 | setverdict(fail, "Timeout of T_guard"); |
| 248 | mtc.stop; |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | friend function f_logp(TELNETasp_PT pt, charstring log_msg) |
| 253 | { |
| 254 | // log on TTCN3 log output |
| 255 | log(log_msg); |
| 256 | // log in stderr log |
| 257 | f_vty_transceive(pt, "logp lglobal notice TTCN3 f_logp(): " & log_msg); |
| 258 | } |
| 259 | |
| 260 | function f_init_vty(charstring id := "foo") runs on test_CT { |
| 261 | if (HNBGWVTY.checkstate("Mapped")) { |
| 262 | /* skip initialization if already executed once */ |
| 263 | return; |
| 264 | } |
| 265 | map(self:HNBGWVTY, system:HNBGWVTY); |
| 266 | f_vty_set_prompts(HNBGWVTY); |
| 267 | f_vty_transceive(HNBGWVTY, "enable"); |
| 268 | } |
| 269 | |
| 270 | function f_init_mgcp(charstring id) runs on test_CT { |
| 271 | id := id & "-MGCP"; |
| 272 | var MGCPOps ops := { |
| 273 | create_cb := refers(MGCP_Emulation.ExpectedCreateCallback), |
| 274 | unitdata_cb := refers(MGCP_Emulation.DummyUnitdataCallback) |
| 275 | } |
| 276 | var MGCP_conn_parameters pars := { |
| 277 | callagent_ip := mp_hnbgw_ip, |
| 278 | callagent_udp_port := -1, |
| 279 | mgw_ip := mp_mgw_ip, |
| 280 | mgw_udp_port := mp_mgw_port, |
| 281 | multi_conn_mode := false |
| 282 | } |
| 283 | |
| 284 | vc_MGCP := MGCP_Emulation_CT.create(id); |
| 285 | map(vc_MGCP:MGCP, system:MGCP_CODEC_PT); |
| 286 | vc_MGCP.start(MGCP_Emulation.main(ops, pars, id)); |
| 287 | } |
| 288 | |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 289 | function f_init_pfcp(charstring id) runs on ConnHdlr { |
| 290 | id := id & "-PFCP"; |
| 291 | |
| 292 | var PFCP_Emulation_Cfg pfcp_cfg := { |
| 293 | pfcp_bind_ip := mp_pfcp_ip_local, |
| 294 | pfcp_bind_port := PFCP_PORT, |
| 295 | pfcp_remote_ip := mp_pfcp_ip_remote, |
| 296 | pfcp_remote_port := PFCP_PORT, |
| 297 | role := UPF |
| 298 | }; |
| 299 | |
| 300 | vc_PFCP := PFCP_Emulation_CT.create(id) alive; |
| 301 | connect(self:PFCP, vc_PFCP:CLIENT); |
| 302 | connect(self:PFCP_PROC, vc_PFCP:CLIENT_PROC); |
| 303 | vc_PFCP.start(PFCP_Emulation.main(pfcp_cfg)); |
| 304 | } |
| 305 | |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 306 | function f_init_hnodeb(charstring id, integer hnb_idx, RuaOps rua_ops) runs on test_CT { |
| 307 | id := id & "-Iuh" & int2str(hnb_idx); |
| 308 | |
| 309 | /* Iuh lower layer (RUA/HNBAP demux) */ |
| 310 | var Iuh_conn_parameters iuh_pars; |
| 311 | iuh_pars.remote_ip := mp_hnbgw_ip; |
| 312 | iuh_pars.remote_sctp_port := mp_hnbgw_iuh_port; |
| 313 | iuh_pars.local_ip := mp_hnodeb_ip; |
| 314 | iuh_pars.local_sctp_port := mp_hnodeb_port + hnb_idx; |
| 315 | vc_Iuh[hnb_idx] := Iuh_Emulation_CT.create(id); |
| 316 | connect(self:HNBAP[hnb_idx], vc_Iuh[hnb_idx]:HNBAP); |
| 317 | |
| 318 | vc_RUA[hnb_idx] := RUA_Emulation_CT.create(id & "-RUA"); |
| 319 | connect(vc_RUA[hnb_idx]:RUA, vc_Iuh[hnb_idx]:RUA); |
| 320 | |
| 321 | /* Start Iuh side components */ |
| 322 | vc_Iuh[hnb_idx].start(Iuh_Emulation.main(iuh_pars, id)); |
| 323 | vc_RUA[hnb_idx].start(RUA_Emulation.main(rua_ops, id & "-RUA")); |
| 324 | } |
| 325 | |
| 326 | /* global initialization function */ |
Neels Hofmeyr | 82e79b0 | 2022-06-08 00:08:09 +0200 | [diff] [blame] | 327 | function f_init(charstring id := "HNBGW", float guard_timeout := 30.0) runs on test_CT { |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 328 | |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 329 | T_guard.start(guard_timeout); |
| 330 | activate(as_Tguard()); |
| 331 | |
| 332 | /* RUA/RANAP emulation on top of lower-layer Iuh */ |
| 333 | var RuaOps rua_ops := { |
| 334 | create_cb := refers(IuhRanapCreateCallback), |
| 335 | unitdata_cb := refers(IuhRanapUnitdataCallback) |
| 336 | }; |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 337 | for (var integer i := 0; i < g_num_hnbs; i := i+1) { |
Daniel Willmann | c79679a | 2022-08-23 17:48:39 +0200 | [diff] [blame] | 338 | g_hnb_cfg[i] := { |
| 339 | lai := { |
| 340 | mcc_mnc := '00101'H, |
| 341 | lac := 2342 + i |
| 342 | }, |
| 343 | sac := 55 |
| 344 | }; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 345 | f_init_hnodeb(testcasename(), i, rua_ops); |
| 346 | } |
| 347 | |
| 348 | /* MSC emulation */ |
| 349 | var RanOps ranops := { |
| 350 | ranap_create_cb := refers(RAN_Emulation.RanapExpectedCreateCallback), |
| 351 | ranap_unitdata_cb := omit, |
| 352 | ps_domain := false, |
| 353 | decode_dtap := false, |
| 354 | role_ms := false, |
| 355 | protocol := RAN_PROTOCOL_RANAP, |
| 356 | transport := RANAP_TRANSPORT_IuCS, |
| 357 | use_osmux := false, |
Eric Wild | 6e511ce | 2022-04-02 21:35:56 +0200 | [diff] [blame] | 358 | bssap_reset_retries := 1, |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 359 | sccp_addr_local := omit, |
| 360 | sccp_addr_peer := omit |
| 361 | }; |
| 362 | f_ran_adapter_init(g_msc, mp_msc_cfg, "HNBGW_Test", ranops); |
| 363 | f_ran_adapter_start(g_msc); |
| 364 | |
| 365 | /* SGSN emulation */ |
| 366 | ranops.ps_domain := true; |
| 367 | f_ran_adapter_init(g_sgsn, mp_sgsn_cfg, "HNBGW_Test", ranops); |
| 368 | f_ran_adapter_start(g_sgsn); |
| 369 | |
| 370 | f_init_mgcp(id); |
| 371 | f_init_vty("VirtHNBGW"); |
| 372 | } |
| 373 | |
| 374 | friend function f_shutdown_helper() runs on test_CT { |
| 375 | all component.stop; |
| 376 | setverdict(pass); |
| 377 | mtc.stop; |
| 378 | } |
| 379 | |
| 380 | /* helper function to start all of the simulated hNodeBs */ |
| 381 | function f_start_hnbs() runs on test_CT { |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 382 | for (var integer i:= 0; i < g_num_hnbs; i := i+1) { |
Daniel Willmann | c79679a | 2022-08-23 17:48:39 +0200 | [diff] [blame] | 383 | f_hnbap_register(i, i); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 384 | } |
| 385 | } |
| 386 | |
| 387 | /*********************************************************************** |
| 388 | * code running in test_CT, preparing start of per-UE ConnHdlr |
| 389 | ***********************************************************************/ |
| 390 | |
| 391 | /* inbound RUA connection establishment on Iuh side */ |
| 392 | function IuhRanapCreateCallback(ContextId context_id, RUA_IEs.CN_DomainIndicator domain, charstring id) |
| 393 | runs on RUA_Emulation_CT return RUA_ConnHdlr { |
| 394 | log("CreateCallback"); |
| 395 | return null; |
| 396 | } |
| 397 | |
| 398 | /* inbound RUA connectionless data on Iuh side */ |
| 399 | function IuhRanapUnitdataCallback(RANAP_PDU ranap) |
| 400 | runs on RUA_Emulation_CT return template RANAP_PDU { |
| 401 | log("UnitdataCallback"); |
| 402 | return omit; |
| 403 | } |
| 404 | |
| 405 | private function f_start_handler_create(TestHdlrParams pars) runs on test_CT return ConnHdlr { |
| 406 | var ConnHdlr vc_conn; |
| 407 | var charstring id := testcasename() & int2str(pars.hnb_idx); |
| 408 | |
| 409 | vc_conn := ConnHdlr.create(id); |
| 410 | |
| 411 | /* Iuh RUA part */ |
| 412 | connect(vc_conn:RUA, vc_RUA[pars.hnb_idx]:CLIENT); |
| 413 | |
| 414 | if (pars.ps_domain) { |
| 415 | /* SGSN side */ |
| 416 | connect(vc_conn:BSSAP, g_sgsn.vc_RAN:CLIENT); |
| 417 | connect(vc_conn:BSSAP_PROC, g_sgsn.vc_RAN:PROC); |
| 418 | } else { |
| 419 | /* MSC side */ |
| 420 | connect(vc_conn:BSSAP, g_msc.vc_RAN:CLIENT); |
| 421 | connect(vc_conn:BSSAP_PROC, g_msc.vc_RAN:PROC); |
| 422 | } |
| 423 | /* MGCP part */ |
| 424 | connect(vc_conn:MGCP, vc_MGCP:MGCP_CLIENT); |
| 425 | connect(vc_conn:MGCP_PROC, vc_MGCP:MGCP_PROC); |
| 426 | |
| 427 | return vc_conn; |
| 428 | } |
| 429 | |
| 430 | private function f_start_handler_run(ConnHdlr vc_conn, void_fn fn, TestHdlrParams pars) runs on test_CT { |
| 431 | var charstring id := testcasename(); // & int2str(pars.ran_idx); |
| 432 | /* We cannot use vc_conn.start(f_init_handler(fn, id, pars)); as we cannot have |
| 433 | * a stand-alone 'derefers()' call, see https://www.eclipse.org/forums/index.php/t/1091364/ */ |
| 434 | pars.hnb := g_hnb_cfg[pars.hnb_idx]; |
| 435 | pars.mgcp_pars := valueof(t_MgcpParams); |
| 436 | vc_conn.start(derefers(fn)(id, pars)); |
| 437 | } |
| 438 | |
| 439 | function f_start_handler_with_pars(void_fn fn, template (value) TestHdlrParams pars) |
| 440 | runs on test_CT return ConnHdlr { |
| 441 | var ConnHdlr vc_conn; |
| 442 | vc_conn := f_start_handler_create(valueof(pars)); |
| 443 | f_start_handler_run(vc_conn, fn, valueof(pars)); |
| 444 | return vc_conn; |
| 445 | } |
| 446 | |
| 447 | /*********************************************************************** |
| 448 | * code running inside per-UE ConnHdlr |
| 449 | ***********************************************************************/ |
| 450 | |
| 451 | type function void_fn(charstring id, TestHdlrParams pars) runs on ConnHdlr; |
| 452 | |
| 453 | function f_init_handler(TestHdlrParams pars, float t_guard := 20.0) runs on ConnHdlr { |
| 454 | /* make parameters available via component variable */ |
| 455 | g_pars := pars; |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 456 | |
| 457 | f_init_pfcp(testcasename()); |
| 458 | |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 459 | /* start guard timer and activate it as default */ |
| 460 | g_Tguard.start(t_guard); |
| 461 | activate(as_Tguard_ConnHdlr()); |
| 462 | |
Neels Hofmeyr | 72a8d62 | 2023-01-26 13:47:01 +0100 | [diff] [blame] | 463 | map(self:HNBGWVTY, system:HNBGWVTY); |
| 464 | f_vty_set_prompts(HNBGWVTY); |
| 465 | f_vty_transceive(HNBGWVTY, "enable"); |
| 466 | |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 467 | /* TODO: CTRL? */ |
Neels Hofmeyr | 5951722 | 2023-06-23 04:46:59 +0200 | [diff] [blame] | 468 | |
| 469 | f_sleep(1.0); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 470 | } |
| 471 | |
| 472 | /* global altstep for global guard timer; */ |
| 473 | private altstep as_Tguard_ConnHdlr() runs on ConnHdlr { |
| 474 | [] g_Tguard.timeout { |
| 475 | setverdict(fail, "Timeout of T_guard"); |
| 476 | mtc.stop; |
| 477 | } |
| 478 | } |
| 479 | |
Neels Hofmeyr | dc416c9 | 2023-03-09 02:47:50 +0100 | [diff] [blame] | 480 | private function f_bssap_expect(template (present) RANAP_PDU exp_rx) runs on ConnHdlr return RANAP_PDU |
| 481 | { |
| 482 | var RANAP_PDU rx; |
| 483 | timer T := 5.0; |
| 484 | T.start; |
| 485 | alt { |
| 486 | [] BSSAP.receive(exp_rx) -> value rx { |
| 487 | setverdict(pass); |
| 488 | } |
| 489 | [] BSSAP.receive(RANAP_PDU:?) { |
| 490 | setverdict(fail, "Got an unexpected RANAP message on BSSAP port, was waiting for ", exp_rx); |
| 491 | mtc.stop; |
| 492 | } |
| 493 | [] T.timeout { |
| 494 | setverdict(fail, "Timeout waiting for RANAP on BSSAP port: ", exp_rx); |
| 495 | mtc.stop; |
| 496 | } |
| 497 | } |
| 498 | T.stop; |
| 499 | return rx; |
| 500 | } |
| 501 | |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 502 | /* send RANAP on Iuh and expect it to show up on Iu */ |
| 503 | function f_iuh2iu(template (present) RANAP_PDU tx, template RANAP_PDU exp_rx := omit) |
| 504 | runs on ConnHdlr return RANAP_PDU { |
| 505 | var RANAP_PDU rx; |
| 506 | timer T := 5.0; |
| 507 | |
| 508 | if (istemplatekind(exp_rx, "omit")) { |
| 509 | exp_rx := tx; |
| 510 | } |
| 511 | |
| 512 | RUA.send(tx); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 513 | |
Neels Hofmeyr | dc416c9 | 2023-03-09 02:47:50 +0100 | [diff] [blame] | 514 | return f_bssap_expect(exp_rx); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 515 | } |
| 516 | |
| 517 | /* send RANAP on Iu and expect it to show up on Iuh */ |
| 518 | function f_iu2iuh(template (present) RANAP_PDU tx, template RANAP_PDU exp_rx := omit) |
| 519 | runs on ConnHdlr return RANAP_PDU { |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 520 | if (istemplatekind(exp_rx, "omit")) { |
| 521 | exp_rx := tx; |
| 522 | } |
| 523 | |
| 524 | BSSAP.send(tx); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 525 | |
Neels Hofmeyr | 735b656 | 2023-03-09 02:51:28 +0100 | [diff] [blame] | 526 | return f_rua_expect(exp_rx) |
| 527 | } |
| 528 | |
| 529 | /* expect to receive a specific RUA message on Iuh */ |
| 530 | private function f_rua_expect(template (present) RANAP_PDU exp_rx) runs on ConnHdlr return RANAP_PDU |
| 531 | { |
| 532 | var RANAP_PDU rx; |
| 533 | timer T := 5.0; |
| 534 | T.start; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 535 | alt { |
| 536 | [] RUA.receive(exp_rx) -> value rx { |
| 537 | setverdict(pass); |
| 538 | } |
Neels Hofmeyr | 735b656 | 2023-03-09 02:51:28 +0100 | [diff] [blame] | 539 | [] RUA.receive(RANAP_PDU:?) { |
| 540 | setverdict(fail, "Got an unexpected RUA message, was waiting for ", exp_rx); |
| 541 | mtc.stop; |
| 542 | } |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 543 | [] T.timeout { |
| 544 | setverdict(fail, "Timeout waiting for Iuh ", exp_rx); |
Neels Hofmeyr | 735b656 | 2023-03-09 02:51:28 +0100 | [diff] [blame] | 545 | mtc.stop; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 546 | } |
| 547 | } |
Neels Hofmeyr | 735b656 | 2023-03-09 02:51:28 +0100 | [diff] [blame] | 548 | T.stop; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 549 | return rx; |
| 550 | } |
| 551 | |
| 552 | /* send RANAP on Iuh and expect it to show up on Iu */ |
| 553 | function f_iuh2iu_connect(template (present) RANAP_PDU tx, template RANAP_PDU exp_rx := omit) |
| 554 | runs on ConnHdlr return RANAP_PDU { |
| 555 | var RANAP_PDU rx; |
| 556 | timer T := 5.0; |
| 557 | |
| 558 | if (istemplatekind(exp_rx, "omit")) { |
| 559 | exp_rx := tx; |
| 560 | } |
| 561 | |
| 562 | /* create an expect on the Iu side for the random NAS portion */ |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 563 | if (g_pars.expect_separate_sccp_cr) { |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 564 | f_ran_register_sccp_cr_without_payload(); |
| 565 | } else { |
| 566 | var template (omit) octetstring nas := f_ranap_extract_l3(valueof(tx)); |
| 567 | f_ran_register_exp(valueof(nas)); |
| 568 | } |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 569 | |
| 570 | /* send it via Iuh (creating a RUA connection) */ |
| 571 | RUA.send(RUA_Conn_Req:{g_pars.ps_domain, tx}); |
| 572 | |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 573 | if (g_pars.expect_separate_sccp_cr) { |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 574 | /* Acknowledge the empty SCCP CR. RAN_Emulation does the confirmation, no need to respond. */ |
| 575 | BSSAP.receive(tr_RANAP_Conn_Req()); |
| 576 | } |
| 577 | |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 578 | /* expect to receive it on the Iu side */ |
Neels Hofmeyr | dc416c9 | 2023-03-09 02:47:50 +0100 | [diff] [blame] | 579 | return f_bssap_expect(exp_rx); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 580 | } |
| 581 | |
Neels Hofmeyr | 99b7d40 | 2023-02-20 14:26:31 +0100 | [diff] [blame] | 582 | /* 3GPP TS 48.006 9.2 Connection release: |
| 583 | * |
| 584 | * The MSC sends a SCCP released message. This message shall not contain |
| 585 | * any user data field. |
| 586 | * |
| 587 | * So what we expect normally is: |
| 588 | * |
| 589 | * HNBGW MSC |
| 590 | * RUA --id-Disconnect-------> | ---Data-Form-1(!)---> | Iu-ReleaseComplete |
| 591 | * | <--Released---------- | (no data) |
| 592 | * |
| 593 | * This function tests osmo-hnbgw behavior if the CN fails to send a RLSD: |
| 594 | * after some timeout, osmo-hnbgw should send a RLSD to the CN. |
| 595 | */ |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 596 | function f_iuh2iu_disconnect(template (present) RANAP_PDU tx, RUA_IEs.Cause cause, |
| 597 | template RANAP_PDU exp_rx := omit) |
| 598 | runs on ConnHdlr return RANAP_PDU { |
| 599 | var RANAP_PDU rx |
Neels Hofmeyr | 99b7d40 | 2023-02-20 14:26:31 +0100 | [diff] [blame] | 600 | timer T := 10.0; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 601 | |
| 602 | if (istemplatekind(exp_rx, "omit")) { |
| 603 | exp_rx := tx; |
| 604 | } |
| 605 | |
| 606 | /* send it via Iuh (creating a RUA connection) */ |
| 607 | RUA.send(RUA_Disc_Req:{tx, cause}); |
| 608 | |
| 609 | /* expect to receive it on the Iu side */ |
Neels Hofmeyr | dc416c9 | 2023-03-09 02:47:50 +0100 | [diff] [blame] | 610 | rx := f_bssap_expect(exp_rx); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 611 | |
| 612 | /* expect disconnect on the Iu side */ |
Neels Hofmeyr | dc416c9 | 2023-03-09 02:47:50 +0100 | [diff] [blame] | 613 | T.start; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 614 | alt { |
| 615 | [] BSSAP.receive(RAN_Conn_Prim:MSC_CONN_PRIM_DISC_IND) { |
| 616 | setverdict(pass); |
| 617 | } |
| 618 | [] T.timeout { |
| 619 | setverdict(fail, "Timeout waiting for Iu disconnect"); |
| 620 | return rx; |
| 621 | } |
| 622 | |
| 623 | } |
| 624 | return rx; |
| 625 | } |
| 626 | |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 627 | private function f_build_initial_ue_with_nas(TestHdlrParams pars, octetstring nas) |
| 628 | return RANAP_PDU { |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 629 | var LAI lai := { |
| 630 | pLMNidentity := hex2oct(pars.hnb.lai.mcc_mnc), |
| 631 | lAC := int2oct(pars.hnb.lai.lac, 2), |
| 632 | iE_Extensions := omit |
| 633 | }; |
| 634 | var SAI sai := { |
| 635 | pLMNidentity := lai.pLMNidentity, |
| 636 | lAC := lai.lAC, |
| 637 | sAC := int2oct(pars.hnb.sac, 2), |
| 638 | iE_Extensions := omit |
| 639 | } |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 640 | var IuSignallingConnectionIdentifier sigc_id := int2bit(f_rnd_int(1000), 24); |
| 641 | var GlobalRNC_ID grnc_id := { |
| 642 | pLMNidentity := lai.pLMNidentity, |
| 643 | rNC_ID := 2342 |
| 644 | } |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 645 | var template RANAP_PDU ret; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 646 | if (pars.ps_domain) { |
| 647 | var RAC rac := '00'O; |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 648 | ret := ts_RANAP_initialUE_PS(lai, rac, sai, nas, sigc_id, grnc_id); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 649 | } else { |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 650 | ret := ts_RANAP_initialUE_CS(lai, sai, nas, sigc_id, grnc_id); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 651 | } |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 652 | return valueof(ret); |
| 653 | } |
| 654 | |
| 655 | /* build a RANAP InitialUE based on the TestHdlrParams */ |
| 656 | friend function f_build_initial_ue(TestHdlrParams pars) return RANAP_PDU { |
| 657 | |
| 658 | var octetstring nas; |
| 659 | |
| 660 | if (pars.tx_sccp_cr_data_len == 0) { |
| 661 | nas := f_rnd_octstring(10); |
| 662 | } else { |
| 663 | /* The test asks for an exact number of Optional Data bytes. */ |
| 664 | |
| 665 | /* First see what size the RANAP part of the payload data is, |
| 666 | * to adjust the NAS PDU size to the size requested by the test (pars.tx_sccp_cr_data_len). */ |
| 667 | var RANAP_PDU initial_ue := f_build_initial_ue_with_nas(pars, '00'O); |
| 668 | |
| 669 | var octetstring ranap_plus_one_byte_nas := enc_RANAP_PDU(initial_ue); |
| 670 | var integer ranap_length := lengthof(ranap_plus_one_byte_nas) - 1; |
| 671 | |
| 672 | log("ranap_plus_one_byte_nas = ", lengthof(ranap_plus_one_byte_nas), " bytes, ", initial_ue, " = ", |
| 673 | ranap_plus_one_byte_nas); |
| 674 | log("ranap_length = ", ranap_length); |
| 675 | |
| 676 | /* SCCP CR has a payload length limit of 130 bytes. To trigger this limit, the RANAP + NAS PDU has to be |
| 677 | * > 130 bytes. It doesn't need to be 131 bytes in the NAS PDU alone, but let's just make it definitely |
| 678 | * large enough. To test for this limit, pars.tx_sccp_cr_data_len asks for a specific amount of data len. */ |
| 679 | nas := f_rnd_octstring(pars.tx_sccp_cr_data_len - ranap_length); |
| 680 | } |
| 681 | |
| 682 | var RANAP_PDU ret := f_build_initial_ue_with_nas(pars, nas); |
| 683 | |
| 684 | if (pars.tx_sccp_cr_data_len != 0) { |
| 685 | for (var integer attempts := 0; attempts < 2; attempts := attempts + 1) { |
| 686 | var octetstring check_len := enc_RANAP_PDU(ret); |
| 687 | log("final RANAP PDU length = ", lengthof(check_len)); |
| 688 | if (lengthof(check_len) == pars.tx_sccp_cr_data_len) { |
| 689 | return ret; |
| 690 | } |
| 691 | nas := f_rnd_octstring(lengthof(nas) + (pars.tx_sccp_cr_data_len - lengthof(check_len))); |
| 692 | log("that was off, changed NAS length to ", lengthof(nas), " and trying again"); |
| 693 | ret := f_build_initial_ue_with_nas(pars, nas); |
| 694 | } |
| 695 | setverdict(fail, "Ended up with wrong Optional Data length"); |
| 696 | mtc.stop; |
| 697 | } |
| 698 | return ret; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 699 | } |
| 700 | |
| 701 | /* build a RANAP RAB AssignmentResponse based on the TestHdlrParams */ |
| 702 | friend function f_build_rab_ass_resp(TestHdlrParams pars) return RANAP_PDU { |
| 703 | var template RAB_SetupOrModifiedList rab_sml; |
| 704 | |
| 705 | rab_sml := ts_RAB_SMdL(t_RAB_id(23), f_ts_RAB_TLA("192.168.1.23"), t_RAB_binding_port(1234)); |
| 706 | |
| 707 | return valueof(ts_RANAP_RabAssResp(rab_sml)); |
| 708 | } |
| 709 | |
| 710 | |
| 711 | /*********************************************************************** |
| 712 | * HNBAP Testing |
| 713 | ***********************************************************************/ |
| 714 | |
| 715 | |
Daniel Willmann | c79679a | 2022-08-23 17:48:39 +0200 | [diff] [blame] | 716 | function f_hnbap_register(integer hnb_idx := 0, integer cell_id := 0, boolean expect_reject := false) runs on test_CT |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 717 | { |
| 718 | timer T := 2.0; |
| 719 | |
Daniel Willmann | 28209ec | 2022-08-24 09:58:07 +0200 | [diff] [blame] | 720 | HNBAP[hnb_idx].send(ts_HNBAP_HNBRegisterRequest(char2oct("TTCN3 HNodeB"), |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 721 | '00F110'O, |
Daniel Willmann | c79679a | 2022-08-23 17:48:39 +0200 | [diff] [blame] | 722 | int2bit(1 + cell_id, 28), |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 723 | int2oct(2, 2), |
| 724 | int2oct(3, 1), |
| 725 | int2oct(4, 2))); |
| 726 | |
| 727 | T.start; |
| 728 | alt { |
| 729 | [] HNBAP[hnb_idx].receive(tr_HNBAP_HNBRegisterAccept(?)) { |
Daniel Willmann | c79679a | 2022-08-23 17:48:39 +0200 | [diff] [blame] | 730 | if (expect_reject) { |
| 731 | setverdict(fail, "Rx HNB Register Accept while expecting reject"); |
| 732 | } else { |
| 733 | setverdict(pass); |
| 734 | } |
| 735 | } |
| 736 | [] HNBAP[hnb_idx].receive(tr_HNBAP_HNBRegisterReject(?)) { |
| 737 | if (expect_reject) { |
| 738 | setverdict(pass); |
| 739 | } else { |
| 740 | setverdict(fail, "Rx HNB Register Reject while expecting accept"); |
| 741 | } |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 742 | } |
| 743 | [] HNBAP[hnb_idx].receive(IUHEM_Event:?) { |
| 744 | repeat; |
| 745 | } |
| 746 | [] T.timeout { |
Daniel Willmann | c79679a | 2022-08-23 17:48:39 +0200 | [diff] [blame] | 747 | setverdict(fail, "Timeout waiting for HNB Register response"); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 748 | } |
| 749 | } |
| 750 | } |
| 751 | |
| 752 | testcase TC_hnb_register() runs on test_CT { |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 753 | g_num_hnbs := 1; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 754 | f_init(); |
| 755 | f_hnbap_register(0); |
| 756 | f_shutdown_helper(); |
| 757 | } |
| 758 | |
Pau Espin Pedrol | acf4f22 | 2022-09-27 14:33:40 +0200 | [diff] [blame] | 759 | /* Try to register the same HNB from 2 different concurrent connections. Second |
| 760 | * one should be rejected. */ |
Daniel Willmann | c79679a | 2022-08-23 17:48:39 +0200 | [diff] [blame] | 761 | testcase TC_hnb_register_duplicate() runs on test_CT { |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 762 | g_num_hnbs := 2; |
Daniel Willmann | c79679a | 2022-08-23 17:48:39 +0200 | [diff] [blame] | 763 | f_init(); |
| 764 | f_hnbap_register(0); |
| 765 | f_hnbap_register(1, 0, expect_reject := true); |
| 766 | f_verify_talloc_count(HNBGWVTY, {"struct hnb_context"}, expect_count := 1); |
| 767 | f_shutdown_helper(); |
| 768 | } |
| 769 | |
Pau Espin Pedrol | acf4f22 | 2022-09-27 14:33:40 +0200 | [diff] [blame] | 770 | /* Try to register the same HNB in the same connection already established, aka |
| 771 | * duplicate HNB Register Request. It should be accepted and new configuration |
| 772 | * applied. TS 25.469 8.2.4 */ |
| 773 | testcase TC_hnb_register_duplicate_reuse_sctp_assoc() runs on test_CT { |
| 774 | g_num_hnbs := 1; |
| 775 | f_init(); |
| 776 | f_hnbap_register(0); |
| 777 | f_hnbap_register(0); |
| 778 | f_verify_talloc_count(HNBGWVTY, {"struct hnb_context"}, expect_count := 1); |
| 779 | f_shutdown_helper(); |
| 780 | } |
| 781 | |
Pau Espin Pedrol | f0b9fa0 | 2022-09-12 13:31:07 +0200 | [diff] [blame] | 782 | /* Drop HNBAP conn (HNBAP DEREG) and reconnect it (HNBAP REG) using same SCTP association. |
| 783 | * Related: OS#5676, SYS#6113 */ |
| 784 | testcase TC_hnb_reregister_reuse_sctp_assoc() runs on test_CT { |
| 785 | g_num_hnbs := 1; |
| 786 | f_init(); |
| 787 | f_hnbap_register(0); |
| 788 | HNBAP[0].send(ts_HNBAP_HNBDe_Register(ts_HnbapCause(unspecified))); |
| 789 | f_hnbap_register(0); |
| 790 | f_verify_talloc_count(HNBGWVTY, {"struct hnb_context"}, expect_count := 1); |
| 791 | f_shutdown_helper(); |
| 792 | } |
| 793 | |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 794 | /*********************************************************************** |
| 795 | * RUA / RANAP Testing |
| 796 | ***********************************************************************/ |
| 797 | |
| 798 | private template (value) TestHdlrParams |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 799 | t_pars(integer imsi_suffix, boolean ps_domain := false, integer hnb_idx := 0, |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 800 | boolean expect_separate_sccp_cr := false, integer tx_sccp_cr_data_len := 0) := { |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 801 | hnb_idx := hnb_idx, |
| 802 | imsi := f_gen_imsi(imsi_suffix), |
| 803 | ps_domain := ps_domain, |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 804 | hnb := omit, /* filled in later */ |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 805 | expect_separate_sccp_cr := expect_separate_sccp_cr, |
| 806 | tx_sccp_cr_data_len := tx_sccp_cr_data_len, |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 807 | pfcp_local_addr := mp_pfcp_ip_local |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 808 | } |
| 809 | |
| 810 | /* Create an Iuh connection; send InitialUE; expect it to appear on new SCCP conenction */ |
| 811 | friend function f_tc_initial_ue(charstring id, TestHdlrParams pars) runs on ConnHdlr { |
| 812 | f_init_handler(pars); |
| 813 | var RANAP_PDU tx := f_build_initial_ue(g_pars); |
| 814 | f_iuh2iu_connect(tx); |
| 815 | } |
| 816 | testcase TC_ranap_cs_initial_ue() runs on test_CT { |
| 817 | var ConnHdlr vc_conn; |
| 818 | |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 819 | g_num_hnbs := 1; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 820 | f_init(); |
| 821 | f_start_hnbs(); |
| 822 | |
| 823 | vc_conn := f_start_handler_with_pars(refers(f_tc_initial_ue), t_pars(1)); |
| 824 | vc_conn.done; |
Neels Hofmeyr | 3a9140e | 2023-06-23 04:50:39 +0200 | [diff] [blame] | 825 | |
| 826 | f_shutdown_helper(); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 827 | } |
| 828 | testcase TC_ranap_ps_initial_ue() runs on test_CT { |
| 829 | var ConnHdlr vc_conn; |
| 830 | |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 831 | g_num_hnbs := 1; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 832 | f_init(); |
| 833 | f_start_hnbs(); |
| 834 | |
| 835 | vc_conn := f_start_handler_with_pars(refers(f_tc_initial_ue), t_pars(2, true)); |
| 836 | vc_conn.done; |
Neels Hofmeyr | 3a9140e | 2023-06-23 04:50:39 +0200 | [diff] [blame] | 837 | |
| 838 | f_shutdown_helper(); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 839 | } |
| 840 | |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 841 | private function f_vty_set_sccp_max_optional_data(TELNETasp_PT pt, integer val := -1) |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 842 | { |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 843 | var charstring valstr; |
| 844 | if (val < 0) { |
| 845 | valstr := "standard"; |
| 846 | } else { |
| 847 | valstr := int2str(val); |
| 848 | } |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 849 | f_vty_enter_config(pt); |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 850 | f_vty_transceive(pt, "cs7 instance 0"); |
| 851 | f_vty_transceive(pt, "sccp max-optional-data " & valstr); |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 852 | f_vty_transceive(pt, "end"); |
| 853 | } |
| 854 | |
| 855 | testcase TC_ranap_cs_initial_ue_empty_cr() runs on test_CT { |
| 856 | var ConnHdlr vc_conn; |
| 857 | |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 858 | g_num_hnbs := 1; |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 859 | f_init(); |
| 860 | f_start_hnbs(); |
| 861 | |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 862 | f_vty_set_sccp_max_optional_data(HNBGWVTY, 0); |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 863 | |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 864 | vc_conn := f_start_handler_with_pars(refers(f_tc_initial_ue), t_pars(1, expect_separate_sccp_cr := true)); |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 865 | vc_conn.done; |
| 866 | |
| 867 | /* reset */ |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 868 | f_vty_set_sccp_max_optional_data(HNBGWVTY); |
Neels Hofmeyr | 3a9140e | 2023-06-23 04:50:39 +0200 | [diff] [blame] | 869 | |
| 870 | f_shutdown_helper(); |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 871 | } |
| 872 | testcase TC_ranap_ps_initial_ue_empty_cr() runs on test_CT { |
| 873 | var ConnHdlr vc_conn; |
| 874 | |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 875 | g_num_hnbs := 1; |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 876 | f_init(); |
| 877 | f_start_hnbs(); |
| 878 | |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 879 | f_vty_set_sccp_max_optional_data(HNBGWVTY, 0); |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 880 | |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 881 | vc_conn := f_start_handler_with_pars(refers(f_tc_initial_ue), t_pars(2, true, expect_separate_sccp_cr := true)); |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 882 | vc_conn.done; |
| 883 | |
| 884 | /* reset */ |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 885 | f_vty_set_sccp_max_optional_data(HNBGWVTY); |
Neels Hofmeyr | 3a9140e | 2023-06-23 04:50:39 +0200 | [diff] [blame] | 886 | |
| 887 | f_shutdown_helper(); |
Neels Hofmeyr | f2c9502 | 2023-04-19 01:24:39 +0200 | [diff] [blame] | 888 | } |
| 889 | |
| 890 | type record Testdata_CR_Limit { |
| 891 | integer data_len, |
| 892 | integer max_optional_data, |
| 893 | boolean expect_separate_sccp_cr |
| 894 | }; |
| 895 | type record of Testdata_CR_Limit Testdata_CR_Limits; |
| 896 | |
| 897 | testcase TC_sccp_cr_limit() runs on test_CT { |
| 898 | g_num_hnbs := 1; |
| 899 | f_init(); |
| 900 | f_start_hnbs(); |
| 901 | |
| 902 | const Testdata_CR_Limits tests := { |
| 903 | { data_len := 130, max_optional_data := -1, expect_separate_sccp_cr := false }, |
| 904 | { data_len := 131, max_optional_data := -1, expect_separate_sccp_cr := true }, |
| 905 | |
| 906 | { data_len := 100, max_optional_data := 100, expect_separate_sccp_cr := false }, |
| 907 | { data_len := 101, max_optional_data := 100, expect_separate_sccp_cr := true }, |
| 908 | |
| 909 | { data_len := 200, max_optional_data := 200, expect_separate_sccp_cr := false }, |
| 910 | { data_len := 201, max_optional_data := 200, expect_separate_sccp_cr := true } |
| 911 | }; |
| 912 | |
| 913 | var integer csps; |
| 914 | for (csps := 0; csps < 2; csps := csps + 1) { |
| 915 | var boolean ps_domain := (csps > 0); |
| 916 | |
| 917 | var integer i; |
| 918 | for (i := 0; i < lengthof(tests); i := i + 1) { |
| 919 | var Testdata_CR_Limit t := tests[i]; |
| 920 | f_logp(HNBGWVTY, |
| 921 | "TEST PART TC_sccp_cr_limit ps_domain=" & f_bool2str(ps_domain) |
| 922 | & " data_len=" & int2str(t.data_len) |
| 923 | & " max_optional_data=" & int2str(t.max_optional_data) |
| 924 | & " expect_separate_sccp_cr=" & f_bool2str(t.expect_separate_sccp_cr) |
| 925 | ); |
| 926 | |
| 927 | f_vty_set_sccp_max_optional_data(HNBGWVTY, t.max_optional_data); |
| 928 | var ConnHdlr vc_conn; |
| 929 | vc_conn := f_start_handler_with_pars(refers(f_tc_initial_ue), |
| 930 | t_pars(100 + i, |
| 931 | ps_domain := ps_domain, |
| 932 | expect_separate_sccp_cr := t.expect_separate_sccp_cr, |
| 933 | tx_sccp_cr_data_len := t.data_len)); |
| 934 | vc_conn.done; |
| 935 | } |
| 936 | } |
| 937 | |
| 938 | /* reset */ |
| 939 | f_vty_set_sccp_max_optional_data(HNBGWVTY); |
Neels Hofmeyr | 3a9140e | 2023-06-23 04:50:39 +0200 | [diff] [blame] | 940 | |
| 941 | f_shutdown_helper(); |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 942 | } |
| 943 | |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 944 | /* Reply to a received CRCX with an OK (or the reply configured in cpars), using the given parameters. |
| 945 | * Return true when an OK reply was sent, false otherwise. |
| 946 | * Count occurrence of Osmux, include Osmux parameters in the reply if necessary. */ |
| 947 | function f_handle_crcx(inout MgcpParameters pars, MgcpCommand mgcp_cmd) return template MgcpResponse { |
| 948 | var CrcxResponse conn := pars.mgw_conn_1; |
| 949 | if (pars.got_crcx_count > 0) { |
| 950 | conn := pars.mgw_conn_2; |
| 951 | } |
| 952 | pars.got_crcx_count := pars.got_crcx_count + 1; |
| 953 | |
| 954 | var MgcpMessage mgcp_msg := { |
| 955 | command := mgcp_cmd |
| 956 | } |
| 957 | var template MgcpResponse mgcp_resp; |
| 958 | var MgcpOsmuxCID osmux_cid; |
| 959 | var MgcpCallId call_id := f_MgcpCmd_extract_call_id(mgcp_cmd); |
| 960 | if (ispresent(pars.mgcp_call_id)) { |
| 961 | if (pars.mgcp_call_id != call_id) { |
| 962 | setverdict(fail, "CRCX contained unexpected call id. Expected:", pars.mgcp_call_id, " got:", call_id); |
| 963 | mtc.stop; |
| 964 | } |
| 965 | } else { |
| 966 | pars.mgcp_call_id := call_id; |
| 967 | } |
| 968 | |
| 969 | /* When the endpoint contains a wildcard we keep the endpoint |
| 970 | * identifier we have set up in pars. Otherwise we use the |
| 971 | * endpoint name that the call agent has supplied */ |
| 972 | if (match(mgcp_cmd.line.ep, t_MGCP_EP_wildcard) == false) { |
| 973 | pars.mgcp_ep := mgcp_cmd.line.ep; |
| 974 | } |
| 975 | |
| 976 | if (conn.resp == -1) { |
| 977 | /* Reply with rror */ |
| 978 | var MgcpResponse mgcp_rsp := { |
| 979 | line := { |
| 980 | code := "542", |
| 981 | trans_id := mgcp_cmd.line.trans_id, |
| 982 | string := "FORCED_FAIL" |
| 983 | }, |
| 984 | sdp := omit |
| 985 | |
| 986 | } |
| 987 | var MgcpParameter mgcp_rsp_param := { |
| 988 | code := "Z", |
| 989 | val := pars.mgcp_ep |
| 990 | }; |
| 991 | mgcp_rsp.params[0] := mgcp_rsp_param; |
| 992 | return mgcp_rsp; |
| 993 | } |
| 994 | |
| 995 | if (conn.resp == 0) { |
| 996 | /* Do not reply at all */ |
| 997 | return omit; |
| 998 | } |
| 999 | |
| 1000 | if (conn.resp != 1) { |
| 1001 | setverdict(fail, "Unexpected value for pars.mgw_conn_*.resp, expect -1, 0 or 1"); |
| 1002 | mtc.stop; |
| 1003 | } |
| 1004 | |
| 1005 | var SDP_Message sdp := valueof(ts_SDP(conn.mgw_rtp_ip, conn.mgw_rtp_ip, |
| 1006 | hex2str(pars.mgcp_call_id), "42", |
| 1007 | conn.mgw_rtp_port, |
| 1008 | { int2str(pars.rtp_payload_type) }, |
| 1009 | { valueof(ts_SDP_rtpmap(pars.rtp_payload_type, |
| 1010 | pars.rtp_sdp_format)), |
| 1011 | valueof(ts_SDP_ptime(20)) })); |
| 1012 | |
| 1013 | if (f_mgcp_contains_par(mgcp_msg, "X-OSMUX")) { |
| 1014 | if (not pars.use_osmux) { |
| 1015 | setverdict(fail, "MSC sent X-Osmux parameter in MGCP, but not expecting any Osmux"); |
| 1016 | mtc.stop; |
| 1017 | } |
| 1018 | pars.got_osmux_count := pars.got_osmux_count + 1; |
| 1019 | /* we expect MSC to use wildcard here, i.e. osmux_cid == -1 */ |
| 1020 | osmux_cid := f_MgcpCmd_extract_osmux_cid(mgcp_cmd); |
| 1021 | log("f_handle_crcx(): got Osmux CID: ", osmux_cid); |
| 1022 | if (osmux_cid != -1) { |
| 1023 | setverdict(fail, "MSC using unexpected CID " & int2str(osmux_cid) & " != -1"); |
| 1024 | mtc.stop; |
| 1025 | } |
| 1026 | |
| 1027 | osmux_cid := 0; |
| 1028 | mgcp_resp := ts_CRCX_ACK_osmux(mgcp_cmd.line.trans_id, conn.mgcp_connection_id, osmux_cid, sdp); |
| 1029 | } else { |
| 1030 | mgcp_resp := ts_CRCX_ACK(mgcp_cmd.line.trans_id, conn.mgcp_connection_id, sdp); |
| 1031 | } |
| 1032 | |
| 1033 | f_mgcp_par_append(mgcp_resp.params, ts_MgcpParSpecEP(pars.mgcp_ep)); |
| 1034 | |
| 1035 | return mgcp_resp; |
| 1036 | } |
| 1037 | |
Daniel Willmann | 3e15b7b | 2022-02-21 17:07:02 +0100 | [diff] [blame] | 1038 | friend function f_create_rab(inout MgcpParameters pars) runs on ConnHdlr { |
| 1039 | f_rab_ass_req(pars); |
| 1040 | f_rab_ass_resp(pars); |
| 1041 | } |
| 1042 | |
| 1043 | friend function f_rab_ass_req(inout MgcpParameters pars) runs on ConnHdlr { |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1044 | var MgcpCommand mgcp_cmd; |
| 1045 | var RANAP_PDU tx; |
| 1046 | var template RAB_SetupOrModifyList rab_sml; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1047 | timer T := 5.0; |
| 1048 | |
| 1049 | /* Send RAB Assignment Request */ |
| 1050 | rab_sml := ts_RAB_SML(t_RAB_id(23), f_ts_RAB_TLA(pars.cn_rtp_ip), t_RAB_binding_port(pars.cn_rtp_port)); |
| 1051 | tx := valueof(ts_RANAP_RabAssReq(rab_sml)); |
| 1052 | BSSAP.send(tx); |
| 1053 | T.start; |
| 1054 | |
| 1055 | /* Handle MGCP CRCX */ |
| 1056 | alt { |
| 1057 | [] MGCP.receive(tr_CRCX) -> value mgcp_cmd { |
| 1058 | log("CRCX1", mgcp_cmd); |
| 1059 | var template MgcpResponse mgcp_rsp := f_handle_crcx(pars, mgcp_cmd); |
| 1060 | MGCP.send(valueof(mgcp_rsp)); |
| 1061 | } |
| 1062 | [] T.timeout { |
| 1063 | setverdict(fail, "Timeout waiting for MGCP"); |
| 1064 | } |
| 1065 | } |
Neels Hofmeyr | 735b656 | 2023-03-09 02:51:28 +0100 | [diff] [blame] | 1066 | T.stop; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1067 | |
| 1068 | /* Expect RAB Assignment Request with IP/port from CRCX ACK via Iuh */ |
| 1069 | rab_sml := ts_RAB_SML(t_RAB_id(23), f_ts_RAB_TLA(pars.mgw_conn_1.mgw_rtp_ip), t_RAB_binding_port(pars.mgw_conn_1.mgw_rtp_port)); |
| 1070 | tx := valueof(ts_RANAP_RabAssReq(rab_sml)); |
| 1071 | |
Neels Hofmeyr | 735b656 | 2023-03-09 02:51:28 +0100 | [diff] [blame] | 1072 | f_rua_expect(tx); |
Daniel Willmann | 3e15b7b | 2022-02-21 17:07:02 +0100 | [diff] [blame] | 1073 | } |
| 1074 | |
| 1075 | friend function f_rab_ass_resp(inout MgcpParameters pars) runs on ConnHdlr { |
| 1076 | var MgcpCommand mgcp_cmd; |
| 1077 | var RANAP_PDU tx; |
| 1078 | var template RAB_SetupOrModifiedList rab_smdl; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1079 | |
| 1080 | /* Send back RAB Assignment Response via Iuh */ |
| 1081 | rab_smdl := ts_RAB_SMdL(t_RAB_id(23), f_ts_RAB_TLA(pars.hnb_rtp_ip), t_RAB_binding_port(pars.hnb_rtp_port)); |
| 1082 | tx := valueof(ts_RANAP_RabAssResp(rab_smdl)); |
| 1083 | RUA.send(tx); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1084 | |
| 1085 | interleave { |
| 1086 | /* Expect MDCX with IP/port from RAB Assignment Response */ |
| 1087 | [] MGCP.receive(tr_MDCX(tr_SDP(pars.hnb_rtp_ip, pars.hnb_rtp_port))) -> value mgcp_cmd { |
| 1088 | log("MDCX1", mgcp_cmd); |
| 1089 | /* Verify SDP of MDCX */ |
| 1090 | var SDP_Message sdp := valueof(ts_SDP(pars.mgw_conn_1.mgw_rtp_ip, pars.mgw_conn_1.mgw_rtp_ip, hex2str(pars.mgcp_call_id), "42", pars.mgw_conn_1.mgw_rtp_port, |
| 1091 | { int2str(pars.rtp_payload_type) }, { valueof(ts_SDP_rtpmap(pars.rtp_payload_type, pars.rtp_sdp_format)), valueof(ts_SDP_ptime(20)) } )); |
| 1092 | var template MgcpResponse mgcp_rsp := ts_MDCX_ACK(mgcp_cmd.line.trans_id, pars.mgw_conn_1.mgcp_connection_id, sdp); |
| 1093 | MGCP.send(valueof(mgcp_rsp)); |
| 1094 | } |
| 1095 | /* Handle CRCX for second leg of endpoint, answer with IP/port */ |
| 1096 | [] MGCP.receive(tr_CRCX(pars.mgcp_ep, tr_SDP(pars.cn_rtp_ip, pars.cn_rtp_port))) -> value mgcp_cmd { |
| 1097 | log("CRCX2", mgcp_cmd); |
| 1098 | /* Verify SDP of CRCX */ |
| 1099 | var template MgcpResponse mgcp_rsp := f_handle_crcx(pars, mgcp_cmd); |
| 1100 | MGCP.send(valueof(mgcp_rsp)); |
| 1101 | } |
| 1102 | } |
| 1103 | |
| 1104 | /* Expect RAB Assignment Response with IP/port from second CRCX ACK */ |
| 1105 | rab_smdl := ts_RAB_SMdL(t_RAB_id(23), f_ts_RAB_TLA(pars.mgw_conn_2.mgw_rtp_ip), t_RAB_binding_port(pars.mgw_conn_2.mgw_rtp_port)); |
| 1106 | tx := valueof(ts_RANAP_RabAssResp(rab_smdl)); |
| 1107 | |
Neels Hofmeyr | dc416c9 | 2023-03-09 02:47:50 +0100 | [diff] [blame] | 1108 | f_bssap_expect(tx); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1109 | } |
| 1110 | |
| 1111 | private altstep as_mgcp_dlcx(inout TestHdlrParams pars) runs on ConnHdlr { |
| 1112 | var MgcpCommand mgcp_cmd; |
| 1113 | |
| 1114 | [] MGCP.receive(tr_DLCX(pars.mgcp_pars.mgcp_ep)) -> value mgcp_cmd { |
| 1115 | log("DLCX", mgcp_cmd); |
| 1116 | MGCP.send(ts_DLCX_ACK2(mgcp_cmd.line.trans_id)); |
| 1117 | pars.mgcp_pars.got_dlcx_count := pars.mgcp_pars.got_dlcx_count + 1; |
Daniel Willmann | 3e15b7b | 2022-02-21 17:07:02 +0100 | [diff] [blame] | 1118 | if (pars.mgcp_pars.got_dlcx_count != pars.mgcp_pars.got_crcx_count) { |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1119 | repeat; |
| 1120 | } |
| 1121 | setverdict(pass); |
| 1122 | } |
| 1123 | } |
| 1124 | |
| 1125 | friend function f_tc_rab_assignment(charstring id, TestHdlrParams pars) runs on ConnHdlr { |
| 1126 | var MgcpCommand mgcp_cmd; |
| 1127 | var RANAP_PDU tx; |
| 1128 | timer T := 5.0; |
| 1129 | |
| 1130 | f_init_handler(pars); |
| 1131 | f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit}); |
| 1132 | |
| 1133 | tx := f_build_initial_ue(g_pars); |
| 1134 | f_iuh2iu_connect(tx); |
| 1135 | |
| 1136 | f_create_rab(pars.mgcp_pars); |
| 1137 | |
| 1138 | /* Send Iu Release */ |
| 1139 | tx := valueof(ts_RANAP_IuReleaseCommand(ts_RanapCause_om_intervention)); |
| 1140 | f_iu2iuh(tx); |
| 1141 | |
| 1142 | T.start; |
| 1143 | alt { |
| 1144 | [] as_mgcp_dlcx(pars) {} |
| 1145 | [] T.timeout { |
| 1146 | setverdict(fail, "Timeout waiting for DLCX"); |
| 1147 | } |
| 1148 | } |
| 1149 | |
| 1150 | tx := valueof(ts_RANAP_IuReleaseComplete()); |
| 1151 | f_iuh2iu(tx); |
| 1152 | } |
| 1153 | |
| 1154 | testcase TC_rab_assignment() runs on test_CT { |
| 1155 | var ConnHdlr vc_conn; |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 1156 | g_num_hnbs := 1; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1157 | f_init(); |
| 1158 | f_start_hnbs(); |
| 1159 | |
| 1160 | vc_conn := f_start_handler_with_pars(refers(f_tc_rab_assignment), t_pars(3)); |
| 1161 | vc_conn.done; |
Neels Hofmeyr | 3a9140e | 2023-06-23 04:50:39 +0200 | [diff] [blame] | 1162 | |
| 1163 | f_shutdown_helper(); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1164 | } |
| 1165 | |
Daniel Willmann | 3e15b7b | 2022-02-21 17:07:02 +0100 | [diff] [blame] | 1166 | friend function f_tc_rab_assign_fail(charstring id, TestHdlrParams pars) runs on ConnHdlr { |
| 1167 | var MgcpCommand mgcp_cmd; |
| 1168 | var RANAP_PDU tx; |
| 1169 | timer T := 5.0; |
| 1170 | |
| 1171 | f_init_handler(pars); |
| 1172 | f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit}); |
| 1173 | |
| 1174 | tx := f_build_initial_ue(g_pars); |
| 1175 | f_iuh2iu_connect(tx); |
| 1176 | |
| 1177 | f_rab_ass_req(pars.mgcp_pars); |
| 1178 | |
| 1179 | /* Send RAB failed list in response */ |
| 1180 | tx := valueof(ts_RANAP_RabAssResp(rab_fl := ts_RAB_FL(t_RAB_id(23), ts_RanapCause_om_intervention))); |
| 1181 | f_iuh2iu(tx); |
| 1182 | |
| 1183 | T.start; |
| 1184 | alt { |
| 1185 | [] as_mgcp_dlcx(pars) {} |
| 1186 | [] T.timeout { |
| 1187 | setverdict(fail, "Timeout waiting for DLCX"); |
| 1188 | } |
| 1189 | } |
| 1190 | } |
| 1191 | |
| 1192 | testcase TC_rab_assign_fail() runs on test_CT { |
| 1193 | var ConnHdlr vc_conn; |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 1194 | g_num_hnbs := 1; |
Daniel Willmann | 3e15b7b | 2022-02-21 17:07:02 +0100 | [diff] [blame] | 1195 | f_init(); |
| 1196 | f_start_hnbs(); |
| 1197 | |
| 1198 | vc_conn := f_start_handler_with_pars(refers(f_tc_rab_assign_fail), t_pars(4)); |
| 1199 | vc_conn.done; |
Neels Hofmeyr | 3a9140e | 2023-06-23 04:50:39 +0200 | [diff] [blame] | 1200 | |
| 1201 | f_shutdown_helper(); |
Daniel Willmann | 3e15b7b | 2022-02-21 17:07:02 +0100 | [diff] [blame] | 1202 | } |
| 1203 | |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1204 | friend function f_tc_rab_release(charstring id, TestHdlrParams pars) runs on ConnHdlr { |
| 1205 | var MgcpCommand mgcp_cmd; |
| 1206 | var RANAP_PDU tx; |
| 1207 | timer T := 15.0; |
| 1208 | |
| 1209 | f_init_handler(pars); |
| 1210 | f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit}); |
| 1211 | |
| 1212 | tx := f_build_initial_ue(g_pars); |
| 1213 | f_iuh2iu_connect(tx); |
| 1214 | |
| 1215 | f_create_rab(pars.mgcp_pars); |
| 1216 | |
| 1217 | /* Send RAB Release */ |
Daniel Willmann | 9e789be | 2022-02-22 13:30:51 +0100 | [diff] [blame] | 1218 | tx := valueof(ts_RANAP_RabAssReq(rab_rl := ts_RAB_RL(t_RAB_id(23), ts_RanapCause_om_intervention))); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1219 | BSSAP.send(tx); |
| 1220 | |
| 1221 | T.start; |
| 1222 | |
| 1223 | alt { |
| 1224 | [] as_mgcp_dlcx(pars) {} |
| 1225 | [] T.timeout { |
| 1226 | setverdict(fail, "Timeout waiting for DLCX"); |
| 1227 | } |
| 1228 | } |
Neels Hofmeyr | 735b656 | 2023-03-09 02:51:28 +0100 | [diff] [blame] | 1229 | T.stop; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1230 | |
Neels Hofmeyr | 735b656 | 2023-03-09 02:51:28 +0100 | [diff] [blame] | 1231 | f_rua_expect(tx); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1232 | } |
| 1233 | |
| 1234 | testcase TC_rab_release() runs on test_CT { |
| 1235 | var ConnHdlr vc_conn; |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 1236 | g_num_hnbs := 1; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1237 | f_init(); |
| 1238 | f_start_hnbs(); |
| 1239 | |
| 1240 | vc_conn := f_start_handler_with_pars(refers(f_tc_rab_release), t_pars(5)); |
| 1241 | vc_conn.done; |
Neels Hofmeyr | 3a9140e | 2023-06-23 04:50:39 +0200 | [diff] [blame] | 1242 | |
| 1243 | f_shutdown_helper(); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1244 | } |
| 1245 | |
Daniel Willmann | 37c877f | 2022-02-22 16:47:06 +0100 | [diff] [blame] | 1246 | friend function f_tc_rab_assign_mgcp_to(charstring id, TestHdlrParams pars) runs on ConnHdlr { |
| 1247 | var MgcpCommand mgcp_cmd; |
| 1248 | var RANAP_PDU tx; |
| 1249 | var template RAB_SetupOrModifyList rab_sml; |
| 1250 | timer T := 15.0; |
| 1251 | |
| 1252 | T.start; |
| 1253 | f_init_handler(pars); |
| 1254 | f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit}); |
| 1255 | |
| 1256 | tx := f_build_initial_ue(g_pars); |
| 1257 | f_iuh2iu_connect(tx); |
| 1258 | |
| 1259 | |
| 1260 | /* Send RAB Assignment Request */ |
| 1261 | rab_sml := ts_RAB_SML(t_RAB_id(23), f_ts_RAB_TLA(pars.mgcp_pars.cn_rtp_ip), t_RAB_binding_port(pars.mgcp_pars.cn_rtp_port)); |
| 1262 | tx := valueof(ts_RANAP_RabAssReq(rab_sml)); |
| 1263 | BSSAP.send(tx); |
| 1264 | |
| 1265 | /* Ignore MGCP CRCX */ |
| 1266 | alt { |
| 1267 | [] MGCP.receive(tr_CRCX) -> value mgcp_cmd { |
| 1268 | log("Ignoreing CRCX1", mgcp_cmd); |
| 1269 | repeat; |
| 1270 | } |
| 1271 | [] BSSAP.receive(tr_RANAP_IuReleaseRequest(?)) { } |
| 1272 | [] T.timeout { |
| 1273 | setverdict(fail, "Timeout waiting for IuRelease"); |
| 1274 | } |
| 1275 | } |
| 1276 | |
| 1277 | /* Send Iu Release */ |
| 1278 | tx := valueof(ts_RANAP_IuReleaseCommand(ts_RanapCause_om_intervention)); |
| 1279 | f_iu2iuh(tx); |
| 1280 | |
| 1281 | tx := valueof(ts_RANAP_IuReleaseComplete()); |
| 1282 | f_iuh2iu(tx); |
| 1283 | } |
| 1284 | |
| 1285 | testcase TC_rab_assign_mgcp_to() runs on test_CT { |
| 1286 | var ConnHdlr vc_conn; |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 1287 | g_num_hnbs := 1; |
Daniel Willmann | 37c877f | 2022-02-22 16:47:06 +0100 | [diff] [blame] | 1288 | f_init(); |
| 1289 | f_start_hnbs(); |
| 1290 | |
| 1291 | vc_conn := f_start_handler_with_pars(refers(f_tc_rab_assign_mgcp_to), t_pars(6)); |
| 1292 | vc_conn.done; |
Neels Hofmeyr | 3a9140e | 2023-06-23 04:50:39 +0200 | [diff] [blame] | 1293 | |
| 1294 | f_shutdown_helper(); |
Daniel Willmann | 37c877f | 2022-02-22 16:47:06 +0100 | [diff] [blame] | 1295 | } |
| 1296 | |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1297 | /* Create an Iuh connection; send InitialUE; transceive data both directions */ |
| 1298 | friend function f_tc_ranap_bidir(charstring id, TestHdlrParams pars) runs on ConnHdlr { |
| 1299 | f_init_handler(pars); |
| 1300 | |
| 1301 | /* HNB -> MSC: InitialUE */ |
| 1302 | f_iuh2iu_connect(f_build_initial_ue(g_pars)); |
| 1303 | |
| 1304 | /* MSC <- HNB: DirectTransfer */ |
| 1305 | f_iu2iuh(ts_RANAP_DirectTransfer(f_rnd_octstring(10))); |
| 1306 | /* MSC -> HNB: DirectTransfer */ |
| 1307 | f_iuh2iu(ts_RANAP_DirectTransfer(f_rnd_octstring(10))); |
| 1308 | |
| 1309 | /* HNB <- MSC: CommonID */ |
| 1310 | f_iu2iuh(ts_RANAP_CommonId(hex2oct(pars.imsi))); |
| 1311 | } |
| 1312 | testcase TC_ranap_cs_bidir() runs on test_CT { |
| 1313 | var ConnHdlr vc_conn; |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 1314 | g_num_hnbs := 1; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1315 | f_init(); |
| 1316 | f_start_hnbs(); |
| 1317 | |
| 1318 | vc_conn := f_start_handler_with_pars(refers(f_tc_ranap_bidir), t_pars(3)); |
| 1319 | vc_conn.done; |
Neels Hofmeyr | 3a9140e | 2023-06-23 04:50:39 +0200 | [diff] [blame] | 1320 | |
| 1321 | f_shutdown_helper(); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1322 | } |
| 1323 | testcase TC_ranap_ps_bidir() runs on test_CT { |
| 1324 | var ConnHdlr vc_conn; |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 1325 | g_num_hnbs := 1; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1326 | f_init(); |
| 1327 | f_start_hnbs(); |
| 1328 | |
| 1329 | vc_conn := f_start_handler_with_pars(refers(f_tc_ranap_bidir), t_pars(4, true)); |
| 1330 | vc_conn.done; |
Neels Hofmeyr | 3a9140e | 2023-06-23 04:50:39 +0200 | [diff] [blame] | 1331 | |
| 1332 | f_shutdown_helper(); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1333 | } |
| 1334 | |
| 1335 | |
| 1336 | private function f_tc_ranap_mo_disconnect(charstring id, TestHdlrParams pars) runs on ConnHdlr { |
| 1337 | f_init_handler(pars); |
| 1338 | |
| 1339 | /* HNB -> MSC: InitialUE */ |
| 1340 | f_iuh2iu_connect(f_build_initial_ue(g_pars)); |
| 1341 | |
| 1342 | /* MSC <- HNB: DirectTransfer */ |
| 1343 | f_iu2iuh(ts_RANAP_DirectTransfer(f_rnd_octstring(10))); |
| 1344 | /* MSC -> HNB: DirectTransfer */ |
| 1345 | f_iuh2iu(ts_RANAP_DirectTransfer(f_rnd_octstring(10))); |
| 1346 | |
| 1347 | /* MSC <- HNB: RUA disconnect */ |
| 1348 | f_iuh2iu_disconnect(ts_RANAP_IuReleaseComplete, RUA_IEs.Cause:{misc:=processing_overload}); |
| 1349 | } |
| 1350 | testcase TC_ranap_cs_mo_disconnect() runs on test_CT { |
| 1351 | var ConnHdlr vc_conn; |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 1352 | g_num_hnbs := 1; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1353 | f_init(); |
| 1354 | f_start_hnbs(); |
| 1355 | |
| 1356 | vc_conn := f_start_handler_with_pars(refers(f_tc_ranap_mo_disconnect), t_pars(5)); |
| 1357 | vc_conn.done; |
Neels Hofmeyr | 3a9140e | 2023-06-23 04:50:39 +0200 | [diff] [blame] | 1358 | |
| 1359 | f_shutdown_helper(); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1360 | } |
| 1361 | testcase TC_ranap_ps_mo_disconnect() runs on test_CT { |
| 1362 | var ConnHdlr vc_conn; |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 1363 | g_num_hnbs := 1; |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1364 | f_init(); |
| 1365 | f_start_hnbs(); |
| 1366 | |
| 1367 | vc_conn := f_start_handler_with_pars(refers(f_tc_ranap_mo_disconnect), t_pars(6)); |
| 1368 | vc_conn.done; |
Neels Hofmeyr | 3a9140e | 2023-06-23 04:50:39 +0200 | [diff] [blame] | 1369 | |
| 1370 | f_shutdown_helper(); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1371 | } |
| 1372 | |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1373 | type record FTeid { |
| 1374 | HostName addr, |
| 1375 | OCT4 teid |
| 1376 | } |
| 1377 | |
| 1378 | type record FTeids { |
| 1379 | FTeid local, |
| 1380 | FTeid remote |
| 1381 | } |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1382 | |
| 1383 | |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1384 | /* 'local' and 'remote' refer to the GTP information from the UPF's point of view: |
| 1385 | * HNB UPF CN |
| 1386 | * access.remote <---> access.local | core.local <---> core.remote |
| 1387 | */ |
| 1388 | type record GtpParameters { |
| 1389 | FTeids core, |
| 1390 | FTeids access |
| 1391 | } |
| 1392 | |
| 1393 | /* HNB UPF CN |
| 1394 | * access.remote <---> access.local | core.local <---> core.remote |
| 1395 | * 127.0.0.4 127.0.0.3 127.0.0.2 127.0.0.1 |
| 1396 | * 0x44004400 0x30303030 0x22002200 0x10101010 |
| 1397 | */ |
| 1398 | template GtpParameters t_GtpParameters := { |
| 1399 | core := { |
| 1400 | local := { |
| 1401 | addr := "127.0.0.2", |
| 1402 | teid := '22002200'O |
| 1403 | }, |
| 1404 | remote := { |
| 1405 | addr := "127.0.0.1", |
| 1406 | teid := '10101010'O |
| 1407 | } |
| 1408 | }, |
| 1409 | access := { |
| 1410 | local := { |
| 1411 | addr := "127.0.0.3", |
| 1412 | teid := '30303030'O |
| 1413 | }, |
| 1414 | remote := { |
| 1415 | addr := "127.0.0.4", |
| 1416 | teid := '44004400'O |
| 1417 | } |
| 1418 | } |
| 1419 | } |
| 1420 | |
Neels Hofmeyr | 6549928 | 2023-04-25 02:31:51 +0200 | [diff] [blame] | 1421 | private function f_pfcp_expect(template (present) PDU_PFCP exp_rx, float wait_time := 5.0) runs on ConnHdlr return PDU_PFCP |
Neels Hofmeyr | 6bbfe05 | 2023-03-09 02:51:46 +0100 | [diff] [blame] | 1422 | { |
| 1423 | var PDU_PFCP rx; |
Neels Hofmeyr | 6549928 | 2023-04-25 02:31:51 +0200 | [diff] [blame] | 1424 | timer T := wait_time; |
Neels Hofmeyr | 6bbfe05 | 2023-03-09 02:51:46 +0100 | [diff] [blame] | 1425 | T.start; |
| 1426 | alt { |
| 1427 | [] PFCP.receive(exp_rx) -> value rx { |
| 1428 | setverdict(pass); |
| 1429 | } |
| 1430 | [] PFCP.receive(PDU_PFCP:?) { |
| 1431 | setverdict(fail, "Got an unexpected PFCP message, was waiting for ", exp_rx); |
| 1432 | mtc.stop; |
| 1433 | } |
| 1434 | [] T.timeout { |
| 1435 | setverdict(fail, "Timeout waiting for PFCP ", exp_rx); |
| 1436 | mtc.stop; |
| 1437 | } |
| 1438 | } |
| 1439 | T.stop; |
| 1440 | return rx; |
| 1441 | } |
| 1442 | |
Neels Hofmeyr | bacb74f | 2022-08-29 16:24:12 +0200 | [diff] [blame] | 1443 | friend function f_tc_ps_rab_assignment_with_pfcp(charstring id, TestHdlrParams pars) runs on ConnHdlr { |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1444 | var RANAP_PDU tx; |
| 1445 | var RANAP_PDU rx; |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1446 | |
| 1447 | f_init_handler(pars); |
| 1448 | |
| 1449 | f_pfcp_register(); |
| 1450 | |
| 1451 | var PDU_PFCP m; |
| 1452 | var Node_ID upf_node_id := valueof(ts_PFCP_Node_ID_fqdn("\07osmocom\03org")); |
| 1453 | |
Neels Hofmeyr | 6549928 | 2023-04-25 02:31:51 +0200 | [diff] [blame] | 1454 | m := f_pfcp_expect(tr_PFCP_Assoc_Setup_Req(), wait_time := 15.0); |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1455 | PFCP.send(ts_PFCP_Assoc_Setup_Resp(m.sequence_number, upf_node_id, |
| 1456 | ts_PFCP_Cause(REQUEST_ACCEPTED), 1234)); |
| 1457 | |
| 1458 | tx := f_build_initial_ue(g_pars); |
| 1459 | f_iuh2iu_connect(tx); |
| 1460 | |
| 1461 | var GtpParameters gtp_pars := valueof(t_GtpParameters); |
| 1462 | var template RAB_SetupOrModifyList rab_sml; |
| 1463 | |
| 1464 | /* Send RAB Assignment Request */ |
| 1465 | rab_sml := ts_RAB_SML_ps(t_RAB_id(23), f_ts_RAB_TLA(gtp_pars.core.remote.addr), gtp_pars.core.remote.teid); |
| 1466 | tx := valueof(ts_RANAP_RabAssReq(rab_sml)); |
| 1467 | BSSAP.send(tx); |
| 1468 | |
| 1469 | /* Expect PFCP Session Establishment Request. */ |
Neels Hofmeyr | 6bbfe05 | 2023-03-09 02:51:46 +0100 | [diff] [blame] | 1470 | m := f_pfcp_expect(tr_PFCP_Session_Est_Req()); |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1471 | var F_SEID hnbgw_f_seid := m.message_body.pfcp_session_establishment_request.CP_F_SEID; |
| 1472 | var PFCP_Session_Establishment_Request serq := m.message_body.pfcp_session_establishment_request; |
| 1473 | |
| 1474 | /* Acting as UPF, invent a new PFCP SEID to send to HNBGW. Respond to the Session Establishment. |
| 1475 | * The PFCP response must have the same sequence_number as the request. */ |
Neels Hofmeyr | 1e31146 | 2023-01-11 01:19:12 +0100 | [diff] [blame] | 1476 | var F_SEID up_f_seid := valueof(ts_PFCP_F_SEID_ipv4(f_inet_addr("127.0.0.1"), '1111111111111111'O)); |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1477 | var template PDU_PFCP r := ts_PFCP_Session_Est_Resp(m.sequence_number, upf_node_id, hnbgw_f_seid.seid); |
| 1478 | r.message_body.pfcp_session_establishment_response := { |
| 1479 | offending_ie := omit, |
| 1480 | UP_F_SEID := up_f_seid, |
| 1481 | created_PDR_list := { |
| 1482 | ts_PFCP_Created_PDR(pdr_id := serq.create_PDR_list[0].grouped_ie.pdr_id, |
| 1483 | local_F_TEID := ts_PFCP_F_TEID_ipv4(gtp_pars.core.local.teid, |
Neels Hofmeyr | 1e31146 | 2023-01-11 01:19:12 +0100 | [diff] [blame] | 1484 | f_inet_addr(gtp_pars.core.local.addr))), |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1485 | ts_PFCP_Created_PDR(pdr_id := serq.create_PDR_list[1].grouped_ie.pdr_id, |
| 1486 | local_F_TEID := ts_PFCP_F_TEID_ipv4(gtp_pars.access.local.teid, |
Neels Hofmeyr | 1e31146 | 2023-01-11 01:19:12 +0100 | [diff] [blame] | 1487 | f_inet_addr(gtp_pars.access.local.addr))) |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1488 | }, |
| 1489 | load_control_information := omit, |
| 1490 | overload_control_information := omit, |
| 1491 | node_list := omit, |
| 1492 | failed_rule_id := omit, |
| 1493 | created_traffic_endpoint_list := omit |
| 1494 | }; |
| 1495 | PFCP.send(r); |
| 1496 | |
| 1497 | /* Expect on Iuh: RAB Assignment Request with IP/port from PFCP Session Est Resp */ |
| 1498 | rab_sml := ts_RAB_SML_ps(t_RAB_id(23), f_ts_RAB_TLA(gtp_pars.access.local.addr), |
| 1499 | gtp_pars.access.local.teid); |
| 1500 | rx := valueof(ts_RANAP_RabAssReq(rab_sml)); |
Neels Hofmeyr | 735b656 | 2023-03-09 02:51:28 +0100 | [diff] [blame] | 1501 | f_rua_expect(rx); |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1502 | |
| 1503 | /* Send back RAB Assignment Response via Iuh */ |
| 1504 | var template RAB_SetupOrModifiedList rab_smdl; |
| 1505 | rab_smdl := ts_RAB_SMdL_ps(t_RAB_id(23), f_ts_RAB_TLA(gtp_pars.access.remote.addr), |
| 1506 | gtp_pars.access.remote.teid); |
| 1507 | tx := valueof(ts_RANAP_RabAssResp(rab_smdl)); |
| 1508 | RUA.send(tx); |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1509 | |
Neels Hofmeyr | 6bbfe05 | 2023-03-09 02:51:46 +0100 | [diff] [blame] | 1510 | m := f_pfcp_expect(tr_PFCP_Session_Mod_Req(up_f_seid.seid)); |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1511 | r := ts_PFCP_Session_Mod_Resp(m.sequence_number, hnbgw_f_seid.seid); |
| 1512 | PFCP.send(r); |
| 1513 | |
| 1514 | rab_smdl := ts_RAB_SMdL_ps(t_RAB_id(23), f_ts_RAB_TLA(gtp_pars.core.local.addr), gtp_pars.core.local.teid); |
Neels Hofmeyr | dc416c9 | 2023-03-09 02:47:50 +0100 | [diff] [blame] | 1515 | f_bssap_expect(tr_RANAP_RabAssResp(rab_smdl)); |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1516 | |
| 1517 | f_sleep(2.0); |
| 1518 | tx := valueof(ts_RANAP_IuReleaseCommand(ts_RanapCause_om_intervention)); |
| 1519 | f_iu2iuh(tx); |
| 1520 | |
| 1521 | tx := valueof(ts_RANAP_IuReleaseComplete()); |
| 1522 | f_iuh2iu(tx); |
| 1523 | |
Neels Hofmeyr | 6bbfe05 | 2023-03-09 02:51:46 +0100 | [diff] [blame] | 1524 | m := f_pfcp_expect(tr_PFCP_Session_Del_Req(up_f_seid.seid)); |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1525 | PFCP.send(ts_PFCP_Session_Del_Resp(m.sequence_number, hnbgw_f_seid.seid)); |
| 1526 | |
| 1527 | f_sleep(2.0); |
| 1528 | } |
| 1529 | |
Neels Hofmeyr | bacb74f | 2022-08-29 16:24:12 +0200 | [diff] [blame] | 1530 | testcase TC_ps_rab_assignment_with_pfcp() runs on test_CT { |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1531 | var ConnHdlr vc_conn; |
Pau Espin Pedrol | 83a4961 | 2022-09-12 21:11:05 +0200 | [diff] [blame] | 1532 | g_num_hnbs := 1; |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1533 | f_init(); |
| 1534 | f_start_hnbs(); |
| 1535 | f_sleep(1.0); |
| 1536 | |
Neels Hofmeyr | bacb74f | 2022-08-29 16:24:12 +0200 | [diff] [blame] | 1537 | vc_conn := f_start_handler_with_pars(refers(f_tc_ps_rab_assignment_with_pfcp), t_pars(7, ps_domain := true)); |
| 1538 | vc_conn.done; |
Neels Hofmeyr | 3a9140e | 2023-06-23 04:50:39 +0200 | [diff] [blame] | 1539 | |
| 1540 | f_shutdown_helper(); |
Neels Hofmeyr | bacb74f | 2022-08-29 16:24:12 +0200 | [diff] [blame] | 1541 | } |
| 1542 | |
| 1543 | altstep as_disallow_pfcp() runs on ConnHdlr { |
| 1544 | [] PFCP.receive(PDU_PFCP:?) { |
| 1545 | setverdict(fail, "Received PFCP message, but no PFCP communication expected"); |
| 1546 | mtc.stop; |
| 1547 | } |
| 1548 | } |
| 1549 | |
| 1550 | friend function f_tc_ps_rab_assignment_without_pfcp(charstring id, TestHdlrParams pars) runs on ConnHdlr { |
| 1551 | var RANAP_PDU tx; |
| 1552 | var RANAP_PDU rx; |
| 1553 | timer T := 5.0; |
| 1554 | |
| 1555 | f_init_handler(pars); |
| 1556 | |
| 1557 | f_pfcp_register(); |
| 1558 | activate(as_disallow_pfcp()); |
| 1559 | |
| 1560 | tx := f_build_initial_ue(g_pars); |
| 1561 | f_iuh2iu_connect(tx); |
| 1562 | |
| 1563 | var GtpParameters gtp_pars := valueof(t_GtpParameters); |
| 1564 | var template RAB_SetupOrModifyList rab_sml; |
| 1565 | |
| 1566 | /* Send RAB Assignment Request */ |
| 1567 | rab_sml := ts_RAB_SML_ps(t_RAB_id(23), f_ts_RAB_TLA(gtp_pars.core.remote.addr), gtp_pars.core.remote.teid); |
| 1568 | tx := valueof(ts_RANAP_RabAssReq(rab_sml)); |
| 1569 | BSSAP.send(tx); |
| 1570 | |
| 1571 | /* Expect on Iuh: unmodified RAB Assignment Request */ |
| 1572 | rx := valueof(ts_RANAP_RabAssReq(rab_sml)); |
Neels Hofmeyr | 735b656 | 2023-03-09 02:51:28 +0100 | [diff] [blame] | 1573 | f_rua_expect(rx); |
Neels Hofmeyr | bacb74f | 2022-08-29 16:24:12 +0200 | [diff] [blame] | 1574 | |
| 1575 | /* Send back RAB Assignment Response via Iuh */ |
| 1576 | var template RAB_SetupOrModifiedList rab_smdl; |
| 1577 | rab_smdl := ts_RAB_SMdL_ps(t_RAB_id(23), f_ts_RAB_TLA(gtp_pars.access.remote.addr), |
| 1578 | gtp_pars.access.remote.teid); |
| 1579 | tx := valueof(ts_RANAP_RabAssResp(rab_smdl)); |
| 1580 | RUA.send(tx); |
| 1581 | |
| 1582 | /* Expect on IuPS: unmodified RAB Assignment Response */ |
Neels Hofmeyr | dc416c9 | 2023-03-09 02:47:50 +0100 | [diff] [blame] | 1583 | f_bssap_expect(tr_RANAP_RabAssResp(rab_smdl)); |
Neels Hofmeyr | bacb74f | 2022-08-29 16:24:12 +0200 | [diff] [blame] | 1584 | |
| 1585 | f_sleep(2.0); |
| 1586 | tx := valueof(ts_RANAP_IuReleaseCommand(ts_RanapCause_om_intervention)); |
| 1587 | f_iu2iuh(tx); |
| 1588 | |
| 1589 | tx := valueof(ts_RANAP_IuReleaseComplete()); |
| 1590 | f_iuh2iu(tx); |
| 1591 | |
| 1592 | f_sleep(2.0); |
| 1593 | } |
| 1594 | |
| 1595 | testcase TC_ps_rab_assignment_without_pfcp() runs on test_CT { |
| 1596 | var ConnHdlr vc_conn; |
| 1597 | f_init(); |
| 1598 | f_start_hnbs(); |
| 1599 | f_sleep(1.0); |
| 1600 | |
| 1601 | vc_conn := f_start_handler_with_pars(refers(f_tc_ps_rab_assignment_without_pfcp), t_pars(7, ps_domain := true)); |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1602 | vc_conn.done; |
Neels Hofmeyr | 3a9140e | 2023-06-23 04:50:39 +0200 | [diff] [blame] | 1603 | |
| 1604 | f_shutdown_helper(); |
Neels Hofmeyr | a56e8fd | 2022-05-08 01:16:55 +0200 | [diff] [blame] | 1605 | } |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1606 | |
| 1607 | control { |
| 1608 | execute(TC_hnb_register()); |
Daniel Willmann | c79679a | 2022-08-23 17:48:39 +0200 | [diff] [blame] | 1609 | execute(TC_hnb_register_duplicate()); |
Pau Espin Pedrol | acf4f22 | 2022-09-27 14:33:40 +0200 | [diff] [blame] | 1610 | execute(TC_hnb_register_duplicate_reuse_sctp_assoc()); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1611 | execute(TC_ranap_cs_initial_ue()); |
| 1612 | execute(TC_ranap_ps_initial_ue()); |
Neels Hofmeyr | f0b9ed1 | 2022-06-07 17:46:32 +0200 | [diff] [blame] | 1613 | execute(TC_ranap_cs_initial_ue_empty_cr()); |
| 1614 | execute(TC_ranap_ps_initial_ue_empty_cr()); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1615 | execute(TC_ranap_cs_bidir()); |
| 1616 | execute(TC_ranap_ps_bidir()); |
| 1617 | execute(TC_rab_assignment()); |
| 1618 | execute(TC_rab_release()); |
Daniel Willmann | 3e15b7b | 2022-02-21 17:07:02 +0100 | [diff] [blame] | 1619 | execute(TC_rab_assign_fail()); |
Daniel Willmann | 37c877f | 2022-02-22 16:47:06 +0100 | [diff] [blame] | 1620 | execute(TC_rab_assign_mgcp_to()); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1621 | execute(TC_ranap_cs_mo_disconnect()); |
| 1622 | execute(TC_ranap_ps_mo_disconnect()); |
Neels Hofmeyr | bacb74f | 2022-08-29 16:24:12 +0200 | [diff] [blame] | 1623 | |
| 1624 | if (mp_enable_pfcp_tests) { |
| 1625 | execute(TC_ps_rab_assignment_with_pfcp()); |
| 1626 | } else { |
| 1627 | execute(TC_ps_rab_assignment_without_pfcp()); |
| 1628 | } |
Pau Espin Pedrol | f0b9fa0 | 2022-09-12 13:31:07 +0200 | [diff] [blame] | 1629 | |
| 1630 | /* Run at the end since it makes osmo-hnbgw <= 1.3.0 crash: OS#5676 */ |
| 1631 | execute(TC_hnb_reregister_reuse_sctp_assoc()); |
Daniel Willmann | 19b8d90 | 2022-01-05 09:12:34 +0100 | [diff] [blame] | 1632 | } |
| 1633 | |
| 1634 | } |