Harald Welte | a0895f9 | 2018-03-08 11:51:23 +0100 | [diff] [blame] | 1 | module PCU_Tests { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 2 | |
| 3 | /* "RAW" PCU tests: Talk directly to the PCU socket of OsmoPCU on the one hand side (emulating |
| 4 | the BTS/BSC side PCU socket server) and the Gb interface on the other hand side. No NS/BSSGP |
| 5 | Emulation is used; rather, we simply use the NS_CodecPort to implement both standard and non- |
| 6 | standard procedures on the NS and BSSGP level. The goal of these tests is to test exactly |
| 7 | those NS and BSSGP implementations on the BSS (PCU) side. */ |
| 8 | |
| 9 | /* (C) 2018-2019 Harald Welte <laforge@gnumonks.org> |
Vadim Yanitskiy | 4f56d32 | 2020-05-22 20:15:48 +0700 | [diff] [blame] | 10 | * (C) 2019-2020 Vadim Yanitskiy <axilirator@gmail.com> |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 11 | * All rights reserved. |
| 12 | * |
| 13 | * Released under the terms of GNU General Public License, Version 2 or |
| 14 | * (at your option) any later version. |
| 15 | * |
| 16 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 17 | */ |
| 18 | |
| 19 | friend module PCU_Tests_NS; |
| 20 | |
| 21 | import from General_Types all; |
| 22 | import from Osmocom_Types all; |
| 23 | import from GSM_Types all; |
| 24 | import from GSM_RR_Types all; |
| 25 | |
| 26 | import from Osmocom_VTY_Functions all; |
| 27 | import from TELNETasp_PortType all; |
| 28 | |
| 29 | import from MobileL3_GMM_SM_Types all; |
| 30 | import from RLCMAC_CSN1_Types all; |
Pau Espin Pedrol | e8d7d16 | 2020-04-29 19:07:36 +0200 | [diff] [blame] | 31 | import from RLCMAC_CSN1_Templates all; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 32 | import from RLCMAC_Types all; |
Pau Espin Pedrol | e8d7d16 | 2020-04-29 19:07:36 +0200 | [diff] [blame] | 33 | import from RLCMAC_Templates all; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 34 | |
| 35 | import from MobileL3_CommonIE_Types all; |
| 36 | import from L3_Templates all; |
| 37 | |
| 38 | import from NS_Types all; |
| 39 | import from BSSGP_Types all; |
| 40 | import from Osmocom_Gb_Types all; |
| 41 | |
| 42 | import from BSSGP_Emulation all; /* BssgpConfig */ |
| 43 | import from NS_Emulation all; /* NSConfiguration */ |
| 44 | |
| 45 | import from UD_Types all; |
| 46 | import from PCUIF_Types all; |
| 47 | import from PCUIF_CodecPort all; |
| 48 | import from PCUIF_Components all; |
| 49 | import from IPL4asp_Types all; |
| 50 | import from Native_Functions all; |
| 51 | import from SGSN_Components all; |
Pau Espin Pedrol | aedc511 | 2020-05-16 17:30:42 +0200 | [diff] [blame] | 52 | import from GPRS_Components all; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 53 | |
| 54 | modulepar { |
| 55 | charstring mp_pcu_sock_path := PCU_SOCK_DEFAULT; |
| 56 | |
| 57 | float X2002 := 0.2; /* Timer -2002, IMM ASSIGN confirm delay */ |
| 58 | } |
| 59 | |
| 60 | |
| 61 | /* FIXME: make sure to use parameters from mp_gb_cfg.cell_id in the PCU INFO IND */ |
Vadim Yanitskiy | f77421f | 2020-07-19 16:08:24 +0700 | [diff] [blame] | 62 | friend template (value) PCUIF_info_ind ts_PCUIF_INFO_default := { |
Vadim Yanitskiy | c155930 | 2020-07-19 16:39:12 +0700 | [diff] [blame] | 63 | version := PCUIF_Types.mp_pcuif_version, |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 64 | flags := c_PCUIF_Flags_default, |
| 65 | trx := valueof(ts_PCUIF_InfoTrxs_def), |
| 66 | bsic := 7, |
| 67 | mcc := 262, |
| 68 | mnc := 42, |
| 69 | mnc_3_digits := 0, |
| 70 | lac := 13135, |
| 71 | rac := 0, |
| 72 | nsei := mp_nsconfig.nsei, |
| 73 | nse_timer := { 3, 3, 3, 3, 30, 3, 10 }, |
| 74 | cell_timer := { 3, 3, 3, 3, 3, 10, 3, 10, 3, 10, 3 }, |
| 75 | cell_id := 20960, |
| 76 | repeat_time := 5 * 50, |
| 77 | repeat_count := 3, |
| 78 | bvci := mp_gb_cfg.bvci, |
| 79 | t3142 := 20, |
| 80 | t3169 := 5, |
| 81 | t3191 := 5, |
| 82 | t3193_10ms := 160, |
| 83 | t3195 := 5, |
| 84 | t3101 := 10, |
| 85 | t3103 := 4, |
| 86 | t3105 := 8, |
| 87 | cv_countdown := 15, |
| 88 | dl_tbf_ext := 250 * 10, /* ms */ |
| 89 | ul_tbf_ext := 250 * 10, /* ms */ |
| 90 | initial_cs := 2, |
| 91 | initial_mcs := 6, |
| 92 | nsvci := { mp_nsconfig.nsvci, 0 }, |
| 93 | local_pprt := { mp_nsconfig.remote_udp_port, 0 }, |
| 94 | remote_port := { mp_nsconfig.local_udp_port, 0 }, |
| 95 | remote_ip := { f_inet_haddr(mp_nsconfig.local_ip) , '00000000'O } |
| 96 | } |
| 97 | |
| 98 | type record lqual_range { |
| 99 | /* component reference to the IPA_Client component used for RSL */ |
| 100 | uint8_t low, |
| 101 | uint8_t high |
| 102 | } |
| 103 | |
Pau Espin Pedrol | aedc511 | 2020-05-16 17:30:42 +0200 | [diff] [blame] | 104 | type component RAW_PCU_Test_CT extends bssgp_CT, MS_BTS_IFACE_CT { |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 105 | /* PCU interface abstraction component */ |
| 106 | var RAW_PCUIF_CT vc_PCUIF; |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 107 | |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 108 | /* Connection to the PCUIF component */ |
| 109 | port RAW_PCU_MSG_PT PCUIF; |
| 110 | /* VTY connection to the PCU */ |
| 111 | port TELNETasp_PT PCUVTY; |
| 112 | |
| 113 | /* Uplink CS/MCS thresholds, default from pcu_main.c: */ |
| 114 | var lqual_range g_cs_lqual_ranges[4] := {{low := 0, high := 6}, |
| 115 | {low := 5, high := 8}, |
| 116 | {low := 7, high := 13}, |
| 117 | {low := 12,high := 35}}; |
| 118 | var lqual_range g_mcs_lqual_ranges[9] := {{low := 0, high := 6}, |
| 119 | {low := 5, high := 8}, |
| 120 | {low := 7, high := 13}, |
| 121 | {low := 12,high := 15}, |
| 122 | {low := 14, high := 17}, |
| 123 | {low := 16, high := 18}, |
| 124 | {low := 17,high := 20}, |
| 125 | {low := 19, high := 24}, |
| 126 | {low := 23,high := 35}}; |
| 127 | var uint8_t g_cs_initial_dl := 1; |
| 128 | var uint8_t g_cs_initial_ul := 1; |
| 129 | var uint8_t g_mcs_initial_dl := 1; |
| 130 | var uint8_t g_mcs_initial_ul := 1; |
| 131 | var uint8_t g_cs_max_dl := 4; |
| 132 | var uint8_t g_cs_max_ul := 4; |
| 133 | var uint8_t g_mcs_max_dl := 9; |
| 134 | var uint8_t g_mcs_max_ul := 9; |
| 135 | |
| 136 | var boolean g_egprs_only := false; |
Pau Espin Pedrol | 0c0bf87 | 2020-05-14 15:50:49 +0200 | [diff] [blame] | 137 | var boolean g_force_two_phase_access := false; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 138 | |
| 139 | /* Guard timeout */ |
| 140 | timer g_T_guard := 60.0; |
| 141 | }; |
| 142 | |
| 143 | private altstep as_Tguard_RAW() runs on RAW_PCU_Test_CT { |
| 144 | [] g_T_guard.timeout { |
| 145 | setverdict(fail, "Timeout of T_guard"); |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 146 | f_shutdown(__BFILE__, __LINE__); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 147 | } |
| 148 | } |
| 149 | |
| 150 | private function f_pcuvty_set_allowed_cs_mcs() runs on RAW_PCU_Test_CT { |
| 151 | f_vty_config2(PCUVTY, {"pcu"}, "cs " & int2str(g_cs_initial_dl) & " " & int2str(g_cs_initial_ul)); |
| 152 | f_vty_config2(PCUVTY, {"pcu"}, "cs max " & int2str(g_cs_max_dl) & " " & int2str(g_cs_max_ul)); |
| 153 | |
| 154 | f_vty_config2(PCUVTY, {"pcu"}, "mcs " & int2str(g_mcs_initial_dl) & " " & int2str(g_mcs_initial_ul)); |
| 155 | f_vty_config2(PCUVTY, {"pcu"}, "mcs max " & int2str(g_mcs_max_dl) & " " & int2str(g_mcs_max_ul)); |
| 156 | } |
| 157 | |
| 158 | private function f_pcuvty_set_link_quality_ranges() runs on RAW_PCU_Test_CT { |
| 159 | var charstring cmd; |
| 160 | |
| 161 | cmd := "cs link-quality-ranges" & |
| 162 | " cs1 " & int2str(g_cs_lqual_ranges[0].high) & |
| 163 | " cs2 " & int2str(g_cs_lqual_ranges[1].low) & " " & int2str(g_cs_lqual_ranges[1].high) & |
| 164 | " cs3 " & int2str(g_cs_lqual_ranges[2].low) & " " & int2str(g_cs_lqual_ranges[2].high) & |
| 165 | " cs4 " & int2str(g_cs_lqual_ranges[3].low); |
| 166 | f_vty_config2(PCUVTY, {"pcu"}, cmd); |
| 167 | |
| 168 | cmd := "mcs link-quality-ranges" & |
| 169 | " mcs1 " & int2str(g_mcs_lqual_ranges[0].high) & |
| 170 | " mcs2 " & int2str(g_mcs_lqual_ranges[1].low) & " " & int2str(g_mcs_lqual_ranges[1].high) & |
| 171 | " mcs3 " & int2str(g_mcs_lqual_ranges[2].low) & " " & int2str(g_mcs_lqual_ranges[2].high) & |
| 172 | " mcs4 " & int2str(g_mcs_lqual_ranges[3].low) & " " & int2str(g_mcs_lqual_ranges[3].high) & |
| 173 | " mcs5 " & int2str(g_mcs_lqual_ranges[4].low) & " " & int2str(g_mcs_lqual_ranges[4].high) & |
| 174 | " mcs6 " & int2str(g_mcs_lqual_ranges[5].low) & " " & int2str(g_mcs_lqual_ranges[5].high) & |
| 175 | " mcs7 " & int2str(g_mcs_lqual_ranges[6].low) & " " & int2str(g_mcs_lqual_ranges[6].high) & |
| 176 | " mcs8 " & int2str(g_mcs_lqual_ranges[7].low) & " " & int2str(g_mcs_lqual_ranges[7].high) & |
| 177 | " mcs9 " & int2str(g_mcs_lqual_ranges[8].low); |
| 178 | f_vty_config2(PCUVTY, {"pcu"}, cmd); |
| 179 | } |
| 180 | |
| 181 | private function f_init_vty(charstring id) runs on RAW_PCU_Test_CT { |
| 182 | map(self:PCUVTY, system:PCUVTY); |
| 183 | f_vty_set_prompts(PCUVTY); |
| 184 | f_vty_transceive(PCUVTY, "enable"); |
| 185 | |
| 186 | if (g_egprs_only) { |
| 187 | f_vty_config2(PCUVTY, {"pcu"}, "egprs only"); |
| 188 | } else { |
| 189 | f_vty_config2(PCUVTY, {"pcu"}, "no egprs"); |
| 190 | } |
Pau Espin Pedrol | 0c0bf87 | 2020-05-14 15:50:49 +0200 | [diff] [blame] | 191 | |
| 192 | if (g_force_two_phase_access) { |
| 193 | f_vty_config2(PCUVTY, {"pcu"}, "two-phase-access"); |
| 194 | } else { |
| 195 | f_vty_config2(PCUVTY, {"pcu"}, "no two-phase-access"); |
| 196 | } |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 197 | } |
| 198 | |
Pau Espin Pedrol | 2456dad | 2020-04-30 20:22:38 +0200 | [diff] [blame] | 199 | function f_init_raw(charstring id, template (value) PCUIF_info_ind info_ind := ts_PCUIF_INFO_default) |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 200 | runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 201 | /* Start the guard timer */ |
| 202 | g_T_guard.start; |
| 203 | activate(as_Tguard_RAW()); |
| 204 | |
| 205 | /* Init PCU interface component */ |
| 206 | vc_PCUIF := RAW_PCUIF_CT.create("PCUIF-" & id); |
| 207 | connect(vc_PCUIF:MTC, self:PCUIF); |
| 208 | map(vc_PCUIF:PCU, system:PCU); |
| 209 | |
| 210 | /* Create one BTS component (we may want more some day) */ |
| 211 | vc_BTS := RAW_PCU_BTS_CT.create("BTS-" & id); |
| 212 | connect(vc_BTS:PCUIF, vc_PCUIF:BTS); |
| 213 | connect(vc_BTS:TC, self:BTS); |
| 214 | |
| 215 | f_init_vty(id); |
| 216 | |
| 217 | vc_PCUIF.start(f_PCUIF_CT_handler(mp_pcu_sock_path)); |
| 218 | vc_BTS.start(f_BTS_CT_handler(0, valueof(info_ind))); |
| 219 | |
| 220 | /* Wait until the BTS is ready (SI13 negotiated) */ |
| 221 | BTS.receive(tr_RAW_PCU_EV(BTS_EV_SI13_NEGO)); |
| 222 | } |
| 223 | |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 224 | testcase TC_pcuif_suspend() runs on RAW_PCU_Test_CT { |
| 225 | var octetstring ra_id := enc_RoutingAreaIdentification(mp_gb_cfg.cell_id.ra_id); |
| 226 | var GprsTlli tlli := 'FFFFFFFF'O; |
| 227 | timer T; |
| 228 | |
| 229 | /* Initialize NS/BSSGP side */ |
| 230 | f_init_bssgp(); |
| 231 | |
| 232 | /* Initialize the PCU interface abstraction */ |
| 233 | f_init_raw(testcasename()); |
| 234 | |
| 235 | /* Establish BSSGP connection to the PCU */ |
| 236 | f_bssgp_establish(); |
| 237 | |
| 238 | BTS.send(ts_PCUIF_SUSP_REQ(0, tlli, ra_id, 0)); |
| 239 | |
| 240 | T.start(2.0); |
| 241 | alt { |
| 242 | [] BSSGP_SIG[0].receive(tr_BSSGP_SUSPEND(tlli, mp_gb_cfg.cell_id.ra_id)) { |
| 243 | setverdict(pass); |
| 244 | } |
| 245 | [] T.timeout { |
| 246 | setverdict(fail, "Timeout waiting for BSSGP SUSPEND"); |
| 247 | } |
| 248 | } |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 249 | |
| 250 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 251 | } |
| 252 | |
| 253 | /* Test of correct Timing Advance at the time of TBF establishment |
| 254 | * (derived from timing offset of the Access Burst). */ |
| 255 | testcase TC_ta_rach_imm_ass() runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 256 | var GprsMS ms; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 257 | |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 258 | /* Initialize GPRS MS side */ |
| 259 | f_init_gprs_ms(); |
| 260 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 261 | /* Initialize the PCU interface abstraction */ |
| 262 | f_init_raw(testcasename()); |
| 263 | |
| 264 | /* We cannot send too many TBF requests in a short time because |
| 265 | * at some point the PCU will fail to allocate a new TBF. */ |
| 266 | for (var TimingAdvance ta := 0; ta < 64; ta := ta + 16) { |
| 267 | /* Establish an Uplink TBF (send RACH.ind with current TA) */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 268 | ms.ta := ta; |
Vadim Yanitskiy | 84d1dd5 | 2020-05-28 21:09:22 +0700 | [diff] [blame] | 269 | f_ms_establish_ul_tbf(ms); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 270 | |
| 271 | /* Make sure Timing Advance IE matches out expectations */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 272 | if (ms.ul_tbf.rr_imm_ass.payload.imm_ass.timing_advance != ta) { |
Vadim Yanitskiy | 8685b38 | 2020-05-06 16:53:26 +0700 | [diff] [blame] | 273 | setverdict(fail, "Timing Advance mismatch: ", |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 274 | ms.ul_tbf.rr_imm_ass.payload.imm_ass.timing_advance, |
Vadim Yanitskiy | 8685b38 | 2020-05-06 16:53:26 +0700 | [diff] [blame] | 275 | " vs expected ", ta); |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 276 | break; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 277 | } |
| 278 | } |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 279 | |
| 280 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 281 | } |
| 282 | |
| 283 | /* Verify Timing Advance value(s) indicated during the packet Downlink assignment |
| 284 | * procedure as per 3GPP TS 44.018, section 3.5.3. There seems to be a bug in the |
| 285 | * IUT that causes it to send an unreasonable Timing Advance value > 0 despite |
| 286 | * no active TBF exists at the moment of establishment (idle mode). */ |
| 287 | testcase TC_ta_idle_dl_tbf_ass() runs on RAW_PCU_Test_CT { |
Vadim Yanitskiy | 84d1dd5 | 2020-05-28 21:09:22 +0700 | [diff] [blame] | 288 | var OCT4 tlli := f_rnd_octstring(4); |
| 289 | var GsmRrMessage rr_imm_ass; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 290 | |
| 291 | /* Initialize NS/BSSGP side */ |
| 292 | f_init_bssgp(); |
| 293 | |
| 294 | /* Initialize the PCU interface abstraction */ |
| 295 | f_init_raw(testcasename()); |
| 296 | |
| 297 | /* Establish BSSGP connection to the PCU */ |
| 298 | f_bssgp_establish(); |
Vadim Yanitskiy | 84d1dd5 | 2020-05-28 21:09:22 +0700 | [diff] [blame] | 299 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, tlli); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 300 | |
| 301 | /* SGSN sends some DL data, PCU will initiate Packet Downlink |
| 302 | * Assignment on CCCH (PCH). We don't care about the payload. */ |
Vadim Yanitskiy | 84d1dd5 | 2020-05-28 21:09:22 +0700 | [diff] [blame] | 303 | BSSGP[0].send(ts_BSSGP_DL_UD(tlli, f_rnd_octstring(10))); |
| 304 | rr_imm_ass := f_pcuif_rx_imm_ass(PCU_IF_SAPI_PCH, tr_IMM_TBF_ASS(dl := true)); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 305 | |
| 306 | /* Make sure that Timing Advance is 0 (the actual value is not known yet). |
| 307 | * As per 3GPP S 44.018, section 3.5.3.1.2, the network *shall* initiate |
| 308 | * the procedures defined in 3GPP TS 44.060 or use the polling mechanism. */ |
Vadim Yanitskiy | 84d1dd5 | 2020-05-28 21:09:22 +0700 | [diff] [blame] | 309 | if (rr_imm_ass.payload.imm_ass.timing_advance != 0) { |
| 310 | setverdict(fail, "Timing Advance value doesn't match"); |
| 311 | } |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 312 | |
| 313 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 314 | } |
| 315 | |
| 316 | /* Verify that the PCU generates valid PTCCH/D messages |
| 317 | * while neither Uplink nor Downlink TBF is established. */ |
| 318 | testcase TC_ta_ptcch_idle() runs on RAW_PCU_Test_CT { |
| 319 | var PTCCHDownlinkMsg ptcch_msg; |
| 320 | var PCUIF_Message pcu_msg; |
| 321 | timer T; |
| 322 | |
| 323 | /* Initialize the PCU interface abstraction */ |
| 324 | f_init_raw(testcasename()); |
| 325 | |
| 326 | /* Sent an RTS.req for PTCCH/D */ |
| 327 | BTS.send(ts_PCUIF_RTS_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 7, |
| 328 | sapi := PCU_IF_SAPI_PTCCH, fn := 0, |
| 329 | arfcn := 871, block_nr := 0)); |
| 330 | T.start(5.0); |
| 331 | alt { |
| 332 | [] BTS.receive(tr_PCUIF_DATA_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 7, |
| 333 | sapi := PCU_IF_SAPI_PTCCH)) -> value pcu_msg { |
| 334 | log("Rx DATA.req message: ", pcu_msg); |
| 335 | setverdict(pass); |
| 336 | } |
| 337 | [] BTS.receive(PCUIF_Message:?) { repeat; } |
| 338 | [] T.timeout { |
| 339 | setverdict(fail, "Timeout waiting for a PTCCH/D block"); |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 340 | f_shutdown(__BFILE__, __LINE__); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 341 | } |
| 342 | } |
| 343 | |
| 344 | ptcch_msg := dec_PTCCHDownlinkMsg(pcu_msg.u.data_req.data); |
| 345 | log("Decoded PTCCH/D message: ", ptcch_msg); |
| 346 | |
| 347 | /* Make sure the message is encoded correctly |
| 348 | * TODO: do we expect all TA values to be equal '1111111'B? */ |
| 349 | if (not match(ptcch_msg, tr_PTCCHDownlinkMsg)) { |
| 350 | setverdict(fail, "Malformed PTCCH/D message"); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 351 | } |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 352 | |
| 353 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 354 | } |
| 355 | |
| 356 | /* Test of correct Timing Advance during an active Uplink TBF. |
| 357 | * |
| 358 | * Unlike the circuit-switched domain, Uplink transmissions on PDCH time-slots |
| 359 | * are not continuous and there can be long time gaps between them. This happens |
| 360 | * due to a bursty nature of packet data. The actual Timing Advance of a MS may |
| 361 | * significantly change between such rare Uplink transmissions, so GPRS introduces |
| 362 | * additional mechanisms to control Timing Advance, and thus reduce interference |
| 363 | * between neighboring TDMA time-slots. |
| 364 | * |
| 365 | * At the moment of Uplink TBF establishment, initial Timing Advance is measured |
| 366 | * from ToA (Timing of Arrival) of an Access Burst. This is covered by another |
| 367 | * test case - TC_ta_rach_imm_ass. In response to that Access Burst the network |
| 368 | * sends Immediate Assignment on AGCH, which _may_ contain Timing Advance Index |
| 369 | * among with the initial Timing Advance value. And here PTCCH comes to play. |
| 370 | * |
| 371 | * PTCCH is a unidirectional channel on which the network can instruct a sub-set |
| 372 | * of 16 MS (whether TBFs are active or not) to adjust their Timing Advance |
| 373 | * continuously. To ensure continuous measurements of the signal propagation |
| 374 | * delay, the MSs shall transmit Access Bursts on Uplink (PTCCH/U) on sub-slots |
| 375 | * defined by an assigned Timing Advance Index (see 3GPP TS 45.002). |
| 376 | * |
| 377 | * The purpose of this test case is to verify the assignment of Timing Advance |
| 378 | * Index, and the process of Timing Advance notification on PTCCH/D. The MTC |
| 379 | * first establishes several Uplink TBFs, but does not transmit any Uplink |
| 380 | * blocks on them. During 4 TDMA multi-frame periods the MTC is sending RACH |
| 381 | * indications to the PCU, checking the correctness of two received PTCCH/D |
| 382 | * messages (period of PTCCH/D is two multi-frames). |
| 383 | */ |
| 384 | |
| 385 | /* List of ToA values for Access Bursts to be sent on PTCCH/U, |
| 386 | * each ToA (Timing of Arrival) value is in units of 1/4 of |
| 387 | * a symbol (i.e. 1 symbol is 4 QTA units). */ |
| 388 | type record length(16) of int16_t PTCCH_TAI_ToA_MAP; |
| 389 | const PTCCH_TAI_ToA_MAP ptcch_toa_map_def := { |
| 390 | 0, 0, 0, 0, |
| 391 | 0, 0, 0, 0, |
| 392 | 0, 0, 0, 0, |
| 393 | 0, 0, 0, 0 |
| 394 | }; |
| 395 | |
| 396 | private altstep as_ta_ptcch(uint8_t bts_nr := 0, uint8_t trx_nr := 0, uint8_t ts_nr := 7, |
| 397 | in PTCCH_TAI_ToA_MAP toa_map := ptcch_toa_map_def) |
| 398 | runs on RAW_PCU_Test_CT { |
| 399 | var RAW_PCU_Event event; |
| 400 | var integer ss; |
| 401 | |
| 402 | /* Send Access Bursts on PTCCH/U for every TA Index */ |
| 403 | [] BTS.receive(tr_RAW_PCU_EV(TDMA_EV_PTCCH_UL_BURST)) -> value event { |
| 404 | ss := f_tdma_ptcch_fn2ss(event.data.tdma_fn); |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 405 | if (ss < 0) { /* Shall not happen */ |
| 406 | f_shutdown(__BFILE__, __LINE__); |
| 407 | } |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 408 | |
| 409 | log("Sending an Access Burst on PTCCH/U", |
| 410 | ", sub-slot=", ss, " (TAI)", |
| 411 | ", fn=", event.data.tdma_fn, |
| 412 | ", ToA=", toa_map[ss], " (QTA)"); |
| 413 | /* TODO: do we care about RA and burst format? */ |
| 414 | BTS.send(ts_PCUIF_RACH_IND(bts_nr, trx_nr, ts_nr, |
| 415 | ra := oct2int('3A'O), |
| 416 | is_11bit := 0, |
| 417 | burst_type := BURST_TYPE_0, |
| 418 | fn := event.data.tdma_fn, |
| 419 | arfcn := 871, |
| 420 | qta := toa_map[ss], |
| 421 | sapi := PCU_IF_SAPI_PTCCH)); |
| 422 | repeat; |
| 423 | } |
| 424 | } |
| 425 | |
| 426 | private function f_TC_ta_ptcch_ul_multi_tbf(in PTCCH_TAI_ToA_MAP ptcch_toa_map, |
| 427 | template PTCCHDownlinkMsg t_ta_msg) |
| 428 | runs on RAW_PCU_Test_CT { |
| 429 | var PTCCHDownlinkMsg ta_msg; |
| 430 | var PCUIF_Message pcu_msg; |
| 431 | timer T; |
| 432 | |
| 433 | /* First, send an RTS.req for the upcoming PTCCH/D block */ |
| 434 | BTS.send(ts_PCUIF_RTS_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 7, |
| 435 | sapi := PCU_IF_SAPI_PTCCH, fn := 0, |
| 436 | arfcn := 871, block_nr := 0)); |
| 437 | T.start(2.0); |
| 438 | alt { |
| 439 | /* Keep sending of Access Bursts during two multi-frames (period of PTCCH/D) |
| 440 | * with increasing ToA (Timing of Arrival) values: 0, 7, 14, 28, 35... */ |
| 441 | [] as_ta_ptcch(bts_nr := 0, trx_nr := 0, ts_nr := 7, toa_map := ptcch_toa_map); |
| 442 | /* In the end of 2nd multi-frame we should receive a PTCCH/D block */ |
| 443 | [] BTS.receive(tr_PCUIF_DATA_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 7, |
| 444 | sapi := PCU_IF_SAPI_PTCCH)) -> value pcu_msg { |
| 445 | ta_msg := dec_PTCCHDownlinkMsg(pcu_msg.u.data_req.data); |
| 446 | log("Rx PTCCH/D message: ", ta_msg); |
| 447 | |
| 448 | /* Make sure Timing Advance values match our expectations */ |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 449 | if (not match(ta_msg, t_ta_msg)) { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 450 | setverdict(fail, "PTCCH/D message does not match: ", t_ta_msg); |
| 451 | } |
| 452 | } |
| 453 | [] BTS.receive { repeat; } |
| 454 | [] T.timeout { |
| 455 | setverdict(fail, "Timeout waiting for a PTCCH/D block"); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 456 | } |
| 457 | } |
| 458 | } |
| 459 | |
| 460 | testcase TC_ta_ptcch_ul_multi_tbf() runs on RAW_PCU_Test_CT { |
| 461 | var template PacketUlAssign t_ul_tbf_ass; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 462 | var GprsMS ms; |
| 463 | |
| 464 | /* Initialize GPRS MS side */ |
| 465 | f_init_gprs_ms(); |
| 466 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 467 | |
| 468 | /* Initialize the PCU interface abstraction */ |
| 469 | f_init_raw(testcasename()); |
| 470 | |
| 471 | /* Enable forwarding of PTCCH/U TDMA events to us */ |
| 472 | BTS.send(ts_RAW_PCU_CMD(TDMA_CMD_ENABLE_PTCCH_UL_FWD)); |
| 473 | |
| 474 | /* Establish 7 Uplink TBFs (USF flag is 3 bits long, '111'B is reserved) */ |
| 475 | for (var integer i := 0; i < 7; i := i + 1) { |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 476 | /* Establish an Uplink TBF */ |
| 477 | f_ms_establish_ul_tbf(ms); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 478 | |
| 479 | /* We expect incremental TFI/USF assignment (dynamic allocation) */ |
| 480 | t_ul_tbf_ass := tr_PacketUlDynAssign(tfi := i, usf := i); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 481 | if (not match(ms.ul_tbf.ass.ccch, t_ul_tbf_ass)) { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 482 | setverdict(fail, "Failed to match Packet Uplink Assignment for #", i); |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 483 | break; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 484 | } |
| 485 | |
| 486 | /* We also expect Timing Advance Index to be a part of the assignment */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 487 | if (ms.ul_tbf.ass.ccch.dynamic.ta_index != i) { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 488 | setverdict(fail, "Failed to match Timing Advance Index for #", i); |
| 489 | /* Keep going, the current OsmoPCU does not assign TA Index */ |
| 490 | } |
| 491 | } |
| 492 | |
| 493 | /* Prepare a list of ToA values for Access Bursts to be sent on PTCCH/U */ |
| 494 | var PTCCH_TAI_ToA_MAP toa_map := ptcch_toa_map_def; |
| 495 | for (var integer i := 0; i < 7; i := i + 1) { |
| 496 | /* ToA in units of 1/4 of a symbol */ |
| 497 | toa_map[i] := (i + 1) * 7 * 4; |
| 498 | } |
| 499 | |
| 500 | /* Now we have all 7 TBFs established in one-phase access mode, |
| 501 | * however we will not be sending any data on them. Instead, we |
| 502 | * will be sending RACH.ind on PTCCH/U during 4 multi-frame |
| 503 | * periods (TAI 0..8), and then will check two PTCCH/D blocks. |
| 504 | * |
| 505 | * Why not 4 TBFs at once? Because Uplink is delayed by 3 TDMA |
| 506 | * time-slots, so at the moment of scheduling a PTCCH/D block |
| 507 | * the PCU has odd number of PTCCH/U Access Bursts received. */ |
| 508 | f_TC_ta_ptcch_ul_multi_tbf(toa_map, tr_PTCCHDownlinkMsg( |
| 509 | tai0_ta := 7, tai1_ta := 14, tai2_ta := 21, |
| 510 | /* Other values are not known (yet) */ |
| 511 | tai3_ta := ?)); |
| 512 | f_TC_ta_ptcch_ul_multi_tbf(toa_map, tr_PTCCHDownlinkMsg( |
| 513 | tai0_ta := 7, tai1_ta := 14, tai2_ta := 21, |
| 514 | tai3_ta := 28, tai4_ta := 35, tai5_ta := 42, |
| 515 | /* Other values are out of our interest */ |
| 516 | tai6_ta := ?)); |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 517 | |
| 518 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 519 | } |
| 520 | |
| 521 | /* Default link quality adaptation (Coding Scheme) ranges (inclusive). |
| 522 | * OsmoPCU (VTY): cs link-quality-ranges cs1 6 cs2 5 8 cs3 7 13 cs4 12 |
| 523 | * |
| 524 | * NOTE: the ranges are intentionally overlapping because OsmoPCU |
| 525 | * does not change CS/MCS on the range borders (5-6, 7-8, 12-13). */ |
| 526 | private template integer CS1_lqual_dB_range := (-infinity .. 6); |
| 527 | private template integer CS2_lqual_dB_range := (5 .. 8); |
| 528 | private template integer CS3_lqual_dB_range := (7 .. 13); |
| 529 | private template integer CS4_lqual_dB_range := (12 .. infinity); |
| 530 | |
| 531 | testcase TC_cs_lqual_ul_tbf() runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 532 | var RlcmacDlBlock dl_block; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 533 | var GprsMS ms; |
| 534 | var uint32_t unused_fn, sched_fn; |
| 535 | var uint4_t cv; |
| 536 | |
| 537 | /* Initialize GPRS MS side */ |
| 538 | f_init_gprs_ms(); |
| 539 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 540 | |
| 541 | /* Initialize the PCU interface abstraction */ |
| 542 | f_init_raw(testcasename()); |
| 543 | |
| 544 | f_pcuvty_set_allowed_cs_mcs(); |
| 545 | f_pcuvty_set_link_quality_ranges(); |
| 546 | |
| 547 | /* Establish an Uplink TBF */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 548 | f_ms_establish_ul_tbf(ms); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 549 | |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 550 | |
| 551 | /* The actual / old link quality values. We need to keep track of the old |
| 552 | * (basically previous) link quality value, because OsmoPCU actually |
| 553 | * changes the coding scheme if not only the actual, but also the old |
| 554 | * value leaves the current link quality range (window). */ |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 555 | var integer lqual_old; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 556 | ms.lqual_cb := 0; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 557 | |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 558 | /* Send one UL block (with TLLI since we are in One-Phase Access |
| 559 | contention resoultion) and make sure it is ACKED fine. */ |
| 560 | /* 16 bytes fills the llc block (because TLLI takes 4 bytes) */ |
| 561 | /* Set CV = 15 to signal there's still more than BS_CV_MAX blocks to be sent */ |
| 562 | f_ms_tx_ul_data_block(ms, f_rnd_octstring(16), cv := 15, with_tlli := true) |
| 563 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn); |
| 564 | /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */ |
| 565 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 566 | |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 567 | /* 16 UL blocks (0 .. 15 dB, step = 1 cB) */ |
| 568 | for (var integer i := 150; i >= 0; i := i - 1) { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 569 | /* Update the old / actual link quality */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 570 | lqual_old := ms.lqual_cb; |
| 571 | ms.lqual_cb := 150 - i; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 572 | |
| 573 | /* Enqueue DATA.ind (both TDMA frame and block numbers to be patched) */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 574 | log("Sending DATA.ind with link quality (dB): ", ms.lqual_cb); |
| 575 | if (i > g_bs_cv_max) { |
| 576 | cv := 15; |
| 577 | } else { |
| 578 | cv := i; |
| 579 | } |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 580 | |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 581 | f_ms_tx_ul_data_block(ms, f_rnd_octstring(10), cv := cv) |
| 582 | |
| 583 | /* we will receive UL ACK/NACK from time to time. In that case, check CdCofing increases */ |
| 584 | f_rx_rlcmac_dl_block(dl_block, unused_fn); |
| 585 | if (match(dl_block, tr_RLCMAC_DUMMY_CTRL())) { |
| 586 | continue; |
| 587 | } |
| 588 | if (not match(dl_block, tr_RLCMAC_UL_ACK_NACK_GPRS(ul_tfi := ?)) and |
| 589 | not match(dl_block, tr_RLCMAC_UL_ACK_NACK_EGPRS(ul_tfi := ?))) { |
| 590 | setverdict(fail, "Failed to match Packet Uplink ACK / NACK:", dl_block); |
| 591 | f_shutdown(__BFILE__, __LINE__); |
| 592 | } |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 593 | |
| 594 | log("Rx Packet Uplink ACK / NACK with Channel Coding Command: ", |
| 595 | dl_block.ctrl.payload.u.ul_ack_nack.gprs.ch_coding_cmd); |
| 596 | |
| 597 | /* Match the received Channel Coding Command. Since we are increasing |
| 598 | * the link quality value on each iteration and not decreasing, there |
| 599 | * is no need to check the both old and current link quality values. */ |
| 600 | var template ChCodingCommand ch_coding; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 601 | select (lqual_old / 10) { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 602 | case (CS1_lqual_dB_range) { ch_coding := CH_CODING_CS1; } |
| 603 | case (CS2_lqual_dB_range) { ch_coding := CH_CODING_CS2; } |
| 604 | case (CS3_lqual_dB_range) { ch_coding := CH_CODING_CS3; } |
| 605 | case (CS4_lqual_dB_range) { ch_coding := CH_CODING_CS4; } |
| 606 | } |
| 607 | |
| 608 | if (not match(dl_block.ctrl.payload.u.ul_ack_nack.gprs.ch_coding_cmd, ch_coding)) { |
| 609 | setverdict(fail, "Channel Coding does not match our expectations: ", ch_coding); |
Pau Espin Pedrol | 1617e31 | 2020-05-22 14:41:14 +0200 | [diff] [blame] | 610 | f_shutdown(__BFILE__, __LINE__); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 611 | } |
| 612 | } |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 613 | |
| 614 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 615 | } |
| 616 | |
| 617 | /* Test the max UL CS set by VTY works fine */ |
| 618 | testcase TC_cs_initial_ul() runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 619 | var RlcmacDlBlock dl_block; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 620 | var ChCodingCommand last_ch_coding; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 621 | var uint32_t unused_fn, sched_fn; |
| 622 | var GprsMS ms; |
| 623 | |
| 624 | /* Initialize GPRS MS side */ |
| 625 | f_init_gprs_ms(); |
| 626 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 627 | |
| 628 | /* Initialize the PCU interface abstraction */ |
| 629 | f_init_raw(testcasename()); |
| 630 | |
| 631 | /* Set initial UL CS to 3 */ |
| 632 | g_cs_initial_ul := 3; |
| 633 | f_pcuvty_set_allowed_cs_mcs(); |
| 634 | f_pcuvty_set_link_quality_ranges(); |
| 635 | |
| 636 | /* Take lqual (dB->cB) so that we stay in that CS */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 637 | ms.lqual_cb := g_cs_lqual_ranges[2].low * 10; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 638 | |
| 639 | /* Establish an Uplink TBF */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 640 | f_ms_establish_ul_tbf(ms); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 641 | |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 642 | /* Send one UL block (with TLLI since we are in One-Phase Access |
| 643 | contention resoultion) and make sure it is ACKED fine. */ |
| 644 | /* 16 bytes fills the llc block (because TLLI takes 4 bytes) */ |
| 645 | /* Set CV = 15 to signal there's still more than BS_CV_MAX blocks to be sent */ |
| 646 | f_ms_tx_ul_data_block(ms, f_rnd_octstring(16), cv := 15, with_tlli := true) |
| 647 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn); |
| 648 | /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */ |
| 649 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 650 | |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 651 | /* Send UL blocks, until we receive UL ACK/NACK and check we are in same initial CS: */ |
| 652 | while (true) { |
| 653 | f_ms_tx_ul_data_block(ms, f_rnd_octstring(10), cv := 15); |
| 654 | f_rx_rlcmac_dl_block(dl_block, unused_fn); |
| 655 | if (match(dl_block, tr_RLCMAC_DUMMY_CTRL())) { |
| 656 | continue; |
| 657 | } |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 658 | |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 659 | if (not match(dl_block, tr_RLCMAC_UL_ACK_NACK_GPRS(ul_tfi := ?)) and |
| 660 | not match(dl_block, tr_RLCMAC_UL_ACK_NACK_EGPRS(ul_tfi := ?))) { |
| 661 | setverdict(fail, "Failed to match Packet Uplink ACK / NACK:", dl_block); |
| 662 | f_shutdown(__BFILE__, __LINE__); |
| 663 | break; |
| 664 | } |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 665 | |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 666 | last_ch_coding := dl_block.ctrl.payload.u.ul_ack_nack.gprs.ch_coding_cmd; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 667 | break; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 668 | } |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 669 | if (last_ch_coding != CH_CODING_CS3) { |
| 670 | setverdict(fail, "Channel Coding does not match our expectations (CS-3): ", last_ch_coding); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 671 | f_shutdown(__BFILE__, __LINE__); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 672 | } |
| 673 | |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 674 | /* Remaining UL blocks are used to make sure regardless of initial |
| 675 | /* lqual, we can go lower at any time */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 676 | /* 0 dB, make sure we downgrade CS */ |
| 677 | ms.lqual_cb := 0; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 678 | /* 5 UL blocks, check we are in same initial CS: */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 679 | f_ms_tx_ul_data_block_multi(ms, 5); |
| 680 | /* Enqueue RTS.req, expect DATA.req with UL ACK from the PCU */ |
| 681 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, unused_fn); |
| 682 | last_ch_coding := dl_block.ctrl.payload.u.ul_ack_nack.gprs.ch_coding_cmd; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 683 | |
| 684 | if (last_ch_coding != CH_CODING_CS1) { |
| 685 | setverdict(fail, "Channel Coding does not match our expectations (CS-1): ", last_ch_coding); |
Pau Espin Pedrol | 1617e31 | 2020-05-22 14:41:14 +0200 | [diff] [blame] | 686 | f_shutdown(__BFILE__, __LINE__); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 687 | } |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 688 | |
| 689 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 690 | } |
| 691 | |
| 692 | /* Test the max UL CS set by VTY works fine */ |
| 693 | testcase TC_cs_max_ul() runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 694 | var RlcmacDlBlock dl_block; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 695 | var ChCodingCommand last_ch_coding; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 696 | var uint32_t unused_fn, sched_fn; |
| 697 | var GprsMS ms; |
| 698 | |
| 699 | /* Initialize GPRS MS side */ |
| 700 | f_init_gprs_ms(); |
| 701 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 702 | |
| 703 | /* Initialize the PCU interface abstraction */ |
| 704 | f_init_raw(testcasename()); |
| 705 | |
| 706 | /* Set maximum allowed UL CS to 3 */ |
| 707 | g_cs_max_ul := 3; |
| 708 | f_pcuvty_set_allowed_cs_mcs(); |
| 709 | f_pcuvty_set_link_quality_ranges(); |
| 710 | |
| 711 | /* Establish an Uplink TBF */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 712 | f_ms_establish_ul_tbf(ms); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 713 | |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 714 | /* Send one UL block (with TLLI since we are in One-Phase Access |
| 715 | contention resoultion) and make sure it is ACKED fine. */ |
| 716 | /* 16 bytes fills the llc block (because TLLI takes 4 bytes) */ |
| 717 | /* Set CV = 15 to signal there's still more than BS_CV_MAX blocks to be sent */ |
| 718 | f_ms_tx_ul_data_block(ms, f_rnd_octstring(16), cv := 15, with_tlli := true) |
| 719 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn); |
| 720 | /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */ |
| 721 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 722 | |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 723 | ms.lqual_cb := 40*10; /* 40 dB */ |
| 724 | f_ms_tx_ul_data_block_multi(ms, 16); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 725 | |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 726 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, unused_fn); |
| 727 | last_ch_coding := dl_block.ctrl.payload.u.ul_ack_nack.gprs.ch_coding_cmd; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 728 | |
| 729 | if (last_ch_coding != CH_CODING_CS3) { |
| 730 | setverdict(fail, "Channel Coding does not match our expectations (CS-3): ", last_ch_coding); |
Pau Espin Pedrol | 1617e31 | 2020-05-22 14:41:14 +0200 | [diff] [blame] | 731 | f_shutdown(__BFILE__, __LINE__); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 732 | } |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 733 | |
| 734 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 735 | } |
| 736 | |
| 737 | /* Verify PCU drops TBF after some time of inactivity. */ |
| 738 | testcase TC_t3169() runs on RAW_PCU_Test_CT { |
| 739 | var PCUIF_info_ind info_ind; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 740 | var RlcmacDlBlock dl_block; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 741 | var uint32_t unused_fn; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 742 | var GprsMS ms; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 743 | |
| 744 | /* Initialize NS/BSSGP side */ |
| 745 | f_init_bssgp(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 746 | /* Initialize GPRS MS side */ |
| 747 | f_init_gprs_ms(); |
| 748 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 749 | |
| 750 | info_ind := valueof(ts_PCUIF_INFO_default); |
| 751 | /* Set timer to 1 sec (default 5) to speedup test: */ |
| 752 | info_ind.t3169 := 1; |
| 753 | |
| 754 | /* Initialize the PCU interface abstraction */ |
| 755 | f_init_raw(testcasename(), info_ind); |
| 756 | |
| 757 | /* Establish BSSGP connection to the PCU */ |
| 758 | f_bssgp_establish(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 759 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 760 | |
| 761 | /* Establish an Uplink TBF */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 762 | f_ms_establish_ul_tbf(ms); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 763 | |
Pau Espin Pedrol | 4aac3d0 | 2020-05-13 15:13:49 +0200 | [diff] [blame] | 764 | /* Send one UL block (with TLLI since we are in One-Phase Access |
| 765 | contention resoultion) and make sure it is ACKED fine */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 766 | f_ms_tx_ul_data_block(ms, f_rnd_octstring(10), cv := 1, with_tlli := true) |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 767 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, unused_fn); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 768 | /* UL block should NOT be received in SGSN, since we didn't get CV=0 */ |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 769 | |
| 770 | /* Wait until T3169 fires (plus 1 extra sec to make sure) */ |
| 771 | f_sleep(int2float(info_ind.t3169) + 1.0); |
| 772 | |
| 773 | /* Send an UL block once again, the TBF should be gone by now so no ACK */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 774 | f_ms_tx_ul_data_block(ms, f_rnd_octstring(10), cv := 0) |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 775 | f_rx_rlcmac_dl_block_exp_dummy(dl_block); |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 776 | |
| 777 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 778 | } |
| 779 | |
| 780 | /* Verify that a Downlink TBF can be assigned using PACCH shortly after the |
| 781 | * release of prev DL TBF due to MS staying in PDCH for a while (T3192, in PCU |
| 782 | * T3193) after DL TBF release */ |
| 783 | testcase TC_t3193() runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 784 | var RlcmacDlBlock dl_block; |
| 785 | var octetstring data := f_rnd_octstring(10); |
| 786 | var boolean ok; |
| 787 | var uint32_t sched_fn; |
Vadim Yanitskiy | b6733a6 | 2020-05-10 14:39:00 +0700 | [diff] [blame] | 788 | var uint32_t dl_fn; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 789 | var GprsMS ms; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 790 | var AckNackDescription ack_nack_desc := valueof(t_AckNackDescription_init); |
| 791 | |
| 792 | /* Initialize NS/BSSGP side */ |
| 793 | f_init_bssgp(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 794 | /* Initialize GPRS MS side */ |
| 795 | f_init_gprs_ms(); |
| 796 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 797 | |
| 798 | /* Initialize the PCU interface abstraction */ |
| 799 | f_init_raw(testcasename()); |
| 800 | |
| 801 | /* Establish BSSGP connection to the PCU */ |
| 802 | f_bssgp_establish(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 803 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 804 | |
| 805 | /* SGSN sends some DL data, PCU will page on CCCH (PCH) */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 806 | BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data)); |
| 807 | f_ms_exp_dl_tbf_ass_ccch(ms, PCU_IF_SAPI_PCH); |
Vadim Yanitskiy | 2e213ae | 2020-05-06 22:26:17 +0700 | [diff] [blame] | 808 | |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 809 | /* Wait timer X2002 and DL block is available after CCCH IMM ASS: */ |
| 810 | f_sleep(X2002); |
Vadim Yanitskiy | b6733a6 | 2020-05-10 14:39:00 +0700 | [diff] [blame] | 811 | f_rx_rlcmac_dl_block_exp_data(dl_block, dl_fn, data, 0); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 812 | |
| 813 | /* ACK the DL block */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 814 | f_acknackdesc_ack_block(ms.dl_tbf.acknack_desc, dl_block, '1'B); |
| 815 | f_ms_tx_ul_block(ms, ts_RLCMAC_DL_ACK_NACK(ms.dl_tbf.tfi, ms.dl_tbf.acknack_desc), |
| 816 | f_dl_block_ack_fn(dl_block, dl_fn)); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 817 | |
| 818 | /* Now that final DL block is ACKED and TBF is released, T3193 in PCU |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 819 | (T3192 in MS) was started and until it fires the MS will be available |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 820 | on PDCH in case new data arrives from SGSN. Let's verify it: */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 821 | BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data)); |
Vadim Yanitskiy | 7431e9e | 2020-07-21 01:59:17 +0700 | [diff] [blame] | 822 | f_ms_rx_pkt_ass_pacch(ms, sched_fn, tr_RLCMAC_DL_PACKET_ASS); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 823 | |
| 824 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 825 | |
| 826 | /* Now that we confirmed the new assignment in the dl-tbf, lets receive the data and ack it */ |
Vadim Yanitskiy | b6733a6 | 2020-05-10 14:39:00 +0700 | [diff] [blame] | 827 | f_rx_rlcmac_dl_block_exp_data(dl_block, dl_fn, data, 0); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 828 | f_acknackdesc_ack_block(ms.dl_tbf.acknack_desc, dl_block, '1'B); |
| 829 | f_ms_tx_ul_block(ms, ts_RLCMAC_DL_ACK_NACK(ms.dl_tbf.tfi, ms.dl_tbf.acknack_desc), |
| 830 | f_dl_block_ack_fn(dl_block, dl_fn)); |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 831 | |
| 832 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 833 | } |
| 834 | |
Pau Espin Pedrol | 487d634 | 2020-05-14 19:22:33 +0200 | [diff] [blame] | 835 | /* Verify PCU handles correctly Countdown Procedure based on BS_CV_MAX */ |
| 836 | testcase TC_countdown_procedure() runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | 487d634 | 2020-05-14 19:22:33 +0200 | [diff] [blame] | 837 | var RlcmacDlBlock dl_block; |
Pau Espin Pedrol | 487d634 | 2020-05-14 19:22:33 +0200 | [diff] [blame] | 838 | var uint32_t sched_fn; |
Pau Espin Pedrol | 487d634 | 2020-05-14 19:22:33 +0200 | [diff] [blame] | 839 | var octetstring total_payload; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 840 | var GprsMS ms; |
Pau Espin Pedrol | 487d634 | 2020-05-14 19:22:33 +0200 | [diff] [blame] | 841 | |
| 842 | /* Initialize NS/BSSGP side */ |
| 843 | f_init_bssgp(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 844 | /* Initialize GPRS MS side */ |
| 845 | f_init_gprs_ms(); |
| 846 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | 487d634 | 2020-05-14 19:22:33 +0200 | [diff] [blame] | 847 | |
| 848 | /* Initialize the PCU interface abstraction */ |
| 849 | f_init_raw(testcasename()); |
| 850 | |
| 851 | /* Establish BSSGP connection to the PCU */ |
| 852 | f_bssgp_establish(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 853 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
Pau Espin Pedrol | 487d634 | 2020-05-14 19:22:33 +0200 | [diff] [blame] | 854 | |
| 855 | /* Establish an Uplink TBF */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 856 | f_ms_establish_ul_tbf(ms); |
Pau Espin Pedrol | 487d634 | 2020-05-14 19:22:33 +0200 | [diff] [blame] | 857 | |
| 858 | /* Send one UL block (with TLLI since we are in One-Phase Access |
| 859 | contention resoultion) and make sure it is ACKED fine. */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 860 | total_payload := f_rnd_octstring(16); /* 16 bytes fills the llc block (because TLLI takes 4 bytes) */ |
| 861 | /* Set CV = 15 to signal there's still more than BS_CV_MAX blocks to be sent */ |
| 862 | f_ms_tx_ul_data_block(ms, total_payload, cv := 15, with_tlli := true) |
Pau Espin Pedrol | 487d634 | 2020-05-14 19:22:33 +0200 | [diff] [blame] | 863 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn); |
| 864 | /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 865 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
Pau Espin Pedrol | 487d634 | 2020-05-14 19:22:33 +0200 | [diff] [blame] | 866 | |
| 867 | /* Send enough blocks to test whole procedure: Until Nth block |
| 868 | (N=BS_CV_MAX), CV=15 is sent, and then the decreasing countdown value is sent. |
| 869 | */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 870 | total_payload := total_payload & f_ms_tx_ul_data_block_multi(ms, 20); |
Pau Espin Pedrol | 487d634 | 2020-05-14 19:22:33 +0200 | [diff] [blame] | 871 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn); |
| 872 | /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 873 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
Pau Espin Pedrol | 487d634 | 2020-05-14 19:22:33 +0200 | [diff] [blame] | 874 | |
| 875 | /* receive one message on BSSGP with all aggregated data in payload: */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 876 | BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id, total_payload)); |
Pau Espin Pedrol | 487d634 | 2020-05-14 19:22:33 +0200 | [diff] [blame] | 877 | } |
| 878 | |
Pau Espin Pedrol | fb2301e | 2020-06-30 20:46:54 +0200 | [diff] [blame] | 879 | /* Verify PCU handles correctly CS1..4 with all possible LLC payload sizes fitting alone in one RLC block */ |
| 880 | testcase TC_ul_all_sizes() runs on RAW_PCU_Test_CT { |
| 881 | var RlcmacDlBlock dl_block; |
| 882 | var uint32_t dl_fn, sched_fn; |
| 883 | var octetstring payload; |
| 884 | var template (value) RlcmacUlBlock ul_data; |
| 885 | var GprsMS ms; |
| 886 | |
| 887 | /* Initialize NS/BSSGP side */ |
| 888 | f_init_bssgp(); |
| 889 | /* Initialize GPRS MS side */ |
| 890 | f_init_gprs_ms(); |
| 891 | ms := g_ms[0]; /* We only use first MS in this test */ |
| 892 | |
| 893 | /* Initialize the PCU interface abstraction */ |
| 894 | f_init_raw(testcasename()); |
| 895 | |
| 896 | /* Establish BSSGP connection to the PCU */ |
| 897 | f_bssgp_establish(); |
| 898 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
| 899 | |
| 900 | /* Establish an Uplink TBF */ |
| 901 | f_ms_establish_ul_tbf(ms); |
| 902 | |
| 903 | /* Send one UL block (with TLLI since we are in One-Phase Access |
| 904 | contention resoultion) and make sure it is ACKED fine. */ |
| 905 | payload := f_rnd_octstring(16); /* 16 bytes fills the llc block (because TLLI takes 4 bytes) */ |
| 906 | /* Set CV = 15 to signal there's still more than BS_CV_MAX blocks to be sent */ |
| 907 | ul_data := t_RLCMAC_UL_DATA_TLLI(tfi := ms.ul_tbf.tfi, |
| 908 | cv := 15, |
| 909 | bsn := ms.ul_tbf.bsn, |
| 910 | blocks := { t_RLCMAC_LLCBLOCK(payload, |
| 911 | t_RLCMAC_LLCBLOCK_HDR(length_ind := lengthof(payload), more := false, e := true)) |
| 912 | }, |
| 913 | tlli := ms.tlli); |
| 914 | f_ultbf_inc_bsn(ms.ul_tbf); |
| 915 | f_ms_tx_ul_block(ms, ul_data); |
| 916 | |
| 917 | /* ACK and check it was received fine */ |
| 918 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn); |
| 919 | /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */ |
| 920 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
| 921 | /* receive one message on BSSGP with all aggregated data in payload: */ |
| 922 | BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id, payload)); |
| 923 | |
| 924 | /* Test sending LLC PDUS of incrementing size */ |
| 925 | var integer max_size := 49; |
| 926 | for (var integer i := 1; i <= max_size; i := i + 1) { |
| 927 | var integer cv; |
| 928 | /* Enqueue DATA.ind (both TDMA frame and block numbers to be patched) */ |
| 929 | log("Sending DATA.ind with LLC payload size ", i); |
| 930 | if (i < max_size - g_bs_cv_max) { |
| 931 | cv := 15; |
| 932 | } else { |
| 933 | cv := max_size - i; |
| 934 | } |
| 935 | |
| 936 | payload := f_rnd_octstring(i); |
| 937 | /* Set CV = 15 to signal there's still more than BS_CV_MAX blocks to be sent */ |
| 938 | ul_data := t_RLCMAC_UL_DATA(tfi := ms.ul_tbf.tfi, |
| 939 | cv := cv, |
| 940 | bsn := ms.ul_tbf.bsn, |
| 941 | blocks := { t_RLCMAC_LLCBLOCK(payload, |
| 942 | t_RLCMAC_LLCBLOCK_HDR(length_ind := lengthof(payload), more := false, e := true)) |
| 943 | }); |
| 944 | f_ultbf_inc_bsn(ms.ul_tbf); |
| 945 | f_ms_tx_ul_block(ms, ul_data); |
| 946 | |
| 947 | /* receive one message on BSSGP with all aggregated data in payload: */ |
| 948 | BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id, payload)); |
| 949 | |
| 950 | /* we will receive UL ACK/NACK from time to time, handle it. */ |
| 951 | f_rx_rlcmac_dl_block(dl_block, dl_fn); |
| 952 | if (match(dl_block, tr_RLCMAC_DUMMY_CTRL())) { |
| 953 | continue; |
| 954 | } |
| 955 | if (not match(dl_block, tr_RLCMAC_UL_ACK_NACK_GPRS(ul_tfi := ?)) and |
| 956 | not match(dl_block, tr_RLCMAC_UL_ACK_NACK_EGPRS(ul_tfi := ?))) { |
| 957 | setverdict(fail, "Failed to match Packet Uplink ACK / NACK:", dl_block); |
| 958 | f_shutdown(__BFILE__, __LINE__); |
| 959 | } |
| 960 | |
| 961 | log("Rx Packet Uplink ACK / NACK"); |
| 962 | sched_fn := f_rrbp_ack_fn(dl_fn, dl_block.ctrl.mac_hdr.rrbp); |
| 963 | /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */ |
| 964 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
| 965 | } |
| 966 | setverdict(pass); |
| 967 | } |
| 968 | |
Pau Espin Pedrol | 5e6844d | 2020-07-01 17:24:02 +0200 | [diff] [blame] | 969 | function f_TC_ul_data_toolong_fills_padding_cs(inout GprsMS ms, CodingScheme cs, integer cv) runs on RAW_PCU_Test_CT { |
| 970 | var octetstring payload; |
| 971 | var template (value) RlcmacUlBlock ul_data; |
| 972 | var integer block_len, max_valid_data_len; |
| 973 | timer T; |
| 974 | |
| 975 | block_len := f_rlcmac_cs_mcs2block_len(cs); |
| 976 | /* We need to send with TLLI since we are in One-Phase Access Contenion |
| 977 | * resoultion), so that's -4 bytes of data, -3 for headers, -1 for LI |
| 978 | * indicator, -1 for spare bits octet at the end */ |
| 979 | max_valid_data_len := block_len - 4 - 3 - 1 - 1; |
| 980 | payload := f_rnd_octstring(max_valid_data_len + 1); /* +1 to write LLC data on last padding octet */ |
| 981 | ul_data := t_RLCMAC_UL_DATA_TLLI(tfi := ms.ul_tbf.tfi, |
| 982 | cv := cv, |
| 983 | bsn := ms.ul_tbf.bsn, |
| 984 | blocks := { t_RLCMAC_LLCBLOCK(payload, |
| 985 | t_RLCMAC_LLCBLOCK_HDR(length_ind := lengthof(payload), more := false, e := true)) |
| 986 | }, |
| 987 | tlli := ms.tlli); |
| 988 | f_ultbf_inc_bsn(ms.ul_tbf); |
| 989 | f_ms_tx_data_ind(ms, enc_RlcmacUlBlock(valueof(ul_data))); |
| 990 | |
| 991 | T.start(0.5); |
| 992 | alt { |
| 993 | [] BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id, ?)) { |
| 994 | setverdict(fail, "LLC PDU in Malformed RLC block was forwarded"); |
| 995 | f_shutdown(__BFILE__, __LINE__); |
| 996 | } |
| 997 | [] T.timeout { |
| 998 | setverdict(pass); |
| 999 | } |
| 1000 | } |
| 1001 | } |
| 1002 | /* Verify PCU finds out incorrectly formated RLC block and discards it. This |
| 1003 | blocks intentionally contain last byte of data placed in last byte of RLC |
| 1004 | containing padding/spare bits, which is incorrect. Spare bits exist and are |
| 1005 | described for CS2..4 in 3GPP TS 44.060 Table 10.2.1: "RLC data block size, |
| 1006 | discounting padding in octet" */ |
| 1007 | testcase TC_ul_data_toolong_fills_padding() runs on RAW_PCU_Test_CT { |
| 1008 | var GprsMS ms; |
| 1009 | var integer block_len, max_valid_data_len; |
| 1010 | |
| 1011 | /* Initialize NS/BSSGP side */ |
| 1012 | f_init_bssgp(); |
| 1013 | /* Initialize GPRS MS side */ |
| 1014 | f_init_gprs_ms(); |
| 1015 | ms := g_ms[0]; /* We only use first MS in this test */ |
| 1016 | |
| 1017 | /* Initialize the PCU interface abstraction */ |
| 1018 | f_init_raw(testcasename()); |
| 1019 | |
| 1020 | /* Establish BSSGP connection to the PCU */ |
| 1021 | f_bssgp_establish(); |
| 1022 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
| 1023 | |
| 1024 | /* Establish an Uplink TBF */ |
| 1025 | f_ms_establish_ul_tbf(ms); |
| 1026 | |
| 1027 | f_TC_ul_data_toolong_fills_padding_cs(ms, CS_2, 2); |
| 1028 | f_TC_ul_data_toolong_fills_padding_cs(ms, CS_3, 1); |
| 1029 | f_TC_ul_data_toolong_fills_padding_cs(ms, CS_4, 0); |
| 1030 | |
| 1031 | setverdict(pass); |
| 1032 | } |
| 1033 | |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1034 | /* Test scenario where MS wants to send some data on PDCH against SGSN and it is |
| 1035 | * answered, so TBFs for uplink and later for downlink are created. |
| 1036 | */ |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1037 | private function f_TC_mo_ping_pong_1phase_access(template (present) CodingScheme exp_cs_mcs := ?) runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1038 | var RlcmacDlBlock dl_block; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1039 | var octetstring data := f_rnd_octstring(10); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1040 | var uint32_t sched_fn; |
Vadim Yanitskiy | b6733a6 | 2020-05-10 14:39:00 +0700 | [diff] [blame] | 1041 | var uint32_t dl_fn; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1042 | var GprsMS ms; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1043 | |
| 1044 | /* Initialize NS/BSSGP side */ |
| 1045 | f_init_bssgp(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1046 | /* Initialize GPRS MS side */ |
| 1047 | f_init_gprs_ms(); |
| 1048 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1049 | |
| 1050 | /* Initialize the PCU interface abstraction */ |
| 1051 | f_init_raw(testcasename()); |
| 1052 | |
| 1053 | /* Establish BSSGP connection to the PCU */ |
| 1054 | f_bssgp_establish(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1055 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1056 | |
| 1057 | /* Establish an Uplink TBF */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1058 | f_ms_establish_ul_tbf(ms); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1059 | |
Pau Espin Pedrol | 4aac3d0 | 2020-05-13 15:13:49 +0200 | [diff] [blame] | 1060 | /* Send one UL block (with TLLI since we are in One-Phase Access |
| 1061 | contention resoultion) and make sure it is ACKED fine */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1062 | f_ms_tx_ul_data_block_multi(ms, 1, with_tlli := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1063 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn); |
| 1064 | /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1065 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1066 | |
| 1067 | /* UL block should be received in SGSN */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1068 | BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id)); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1069 | |
| 1070 | /* Now SGSN sends some DL data, PCU will page on CCCH (PCH) */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1071 | BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data)); |
| 1072 | f_ms_exp_dl_tbf_ass_ccch(ms, PCU_IF_SAPI_PCH); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1073 | |
| 1074 | /* Wait timer X2002 and DL block is available after CCCH IMM ASS: */ |
| 1075 | f_sleep(X2002); |
Vadim Yanitskiy | b6733a6 | 2020-05-10 14:39:00 +0700 | [diff] [blame] | 1076 | f_rx_rlcmac_dl_block_exp_data(dl_block, dl_fn, data, 0, exp_cs_mcs); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1077 | |
| 1078 | /* ACK the DL block */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1079 | f_acknackdesc_ack_block(ms.dl_tbf.acknack_desc, dl_block, '1'B); |
| 1080 | f_ms_tx_ul_block(ms, ts_RLCMAC_DL_ACK_NACK(ms.dl_tbf.tfi, ms.dl_tbf.acknack_desc), |
| 1081 | f_dl_block_ack_fn(dl_block, dl_fn)); |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 1082 | |
| 1083 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1084 | } |
| 1085 | |
| 1086 | /* Test scenario where MS wants to send some data on PDCH against SGSN and it is |
| 1087 | * answered, so TBFs for uplink and later for downlink are created. |
| 1088 | */ |
| 1089 | testcase TC_mo_ping_pong() runs on RAW_PCU_Test_CT { |
| 1090 | var CodingScheme exp_cs_mcs := CS_1; |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1091 | f_TC_mo_ping_pong_1phase_access(exp_cs_mcs); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1092 | } |
| 1093 | |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1094 | /* Test scenario where MS wants to send some data on PDCH against SGSN and it is |
| 1095 | * answered, so TBFs for uplink and later for downlink are created. |
| 1096 | */ |
Pau Espin Pedrol | 42acafc | 2020-05-14 15:18:38 +0200 | [diff] [blame] | 1097 | private function f_TC_mo_ping_pong_2phase_access(template (value) MSRadioAccessCapabilityV ms_racap, |
| 1098 | template (present) CodingScheme exp_ul_cs_mcs := ?, |
| 1099 | template (present) CodingScheme exp_dl_cs_mcs := ?) |
| 1100 | runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1101 | var RlcmacDlBlock dl_block; |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1102 | var octetstring data := f_rnd_octstring(10); |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1103 | var uint32_t sched_fn; |
| 1104 | var uint32_t dl_fn; |
Pau Espin Pedrol | adbbe1e | 2020-05-17 00:28:01 +0200 | [diff] [blame] | 1105 | var uint32_t unused_fn; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1106 | var GprsMS ms; |
| 1107 | |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1108 | /* 0111 0xxx: Single block packet access; one block period on a PDCH is needed for two phase packet access or other RR signalling purpose. */ |
| 1109 | var uint16_t ra := oct2int('70'O); |
Pau Espin Pedrol | 0c0bf87 | 2020-05-14 15:50:49 +0200 | [diff] [blame] | 1110 | if (g_force_two_phase_access) { |
| 1111 | /* If 2phase access is enforced by the network, then let's |
| 1112 | request a One phase packet access, we'll receive a single block |
| 1113 | anyway */ |
| 1114 | ra := bit2int(chan_req_def); |
| 1115 | } |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1116 | |
| 1117 | /* Initialize NS/BSSGP side */ |
| 1118 | f_init_bssgp(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1119 | /* Initialize GPRS MS side */ |
| 1120 | f_init_gprs_ms(); |
| 1121 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1122 | |
| 1123 | /* Initialize the PCU interface abstraction */ |
| 1124 | f_init_raw(testcasename()); |
| 1125 | |
| 1126 | /* Establish BSSGP connection to the PCU */ |
| 1127 | f_bssgp_establish(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1128 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1129 | |
| 1130 | /* Establish an Uplink TBF */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1131 | f_ms_use_ra(ms, ra, ra_is_11bit := 0); |
| 1132 | f_ms_establish_ul_tbf(ms); |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1133 | |
| 1134 | /* Make sure we've got an Uplink TBF assignment */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1135 | if (not match(ms.ul_tbf.ass.ccch, tr_PacketUlSglAssign)) { |
| 1136 | setverdict(fail, "Wrong Packet Uplink Assignment received: ", ms.ul_tbf.ass.ccch, " vs exp: ", tr_PacketUlSglAssign); |
| 1137 | f_shutdown(__BFILE__, __LINE__); |
| 1138 | } |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1139 | |
| 1140 | /* Send PACKET RESOURCE REQUEST to upgrade to EGPRS |
| 1141 | * (see 3GPP TS 04.60 "7.1.3.1 Initiation of the Packet resource request procedure") |
| 1142 | */ |
Vadim Yanitskiy | f3cb4dd | 2020-07-21 01:52:33 +0700 | [diff] [blame] | 1143 | f_ms_tx_ul_block(ms, ts_RLC_UL_CTRL_ACK(ts_RlcMacUlCtrl_PKT_RES_REQ(ms.tlli, ms_racap)), 0); |
Vadim Yanitskiy | 7431e9e | 2020-07-21 01:59:17 +0700 | [diff] [blame] | 1144 | f_ms_rx_pkt_ass_pacch(ms, sched_fn, tr_RLCMAC_UL_PACKET_ASS); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1145 | if (not match(ms.ul_tbf.tx_cs_mcs, exp_ul_cs_mcs)) { |
| 1146 | setverdict(fail, "Wrong CS_MCS ", ms.ul_tbf.tx_cs_mcs, " received vs exp ", exp_ul_cs_mcs); |
Pau Espin Pedrol | 42acafc | 2020-05-14 15:18:38 +0200 | [diff] [blame] | 1147 | f_shutdown(__BFILE__, __LINE__); |
| 1148 | } |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1149 | |
| 1150 | /* Send one UL block (without TLLI since we are in Second-Phase Access) |
| 1151 | and make sure it is ACKED fine */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1152 | f_ms_tx_ul_data_block_multi(ms, 1, with_tlli := true); /* TODO: send using cs_mcs */ |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1153 | |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1154 | /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1155 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1156 | |
| 1157 | /* UL block should be received in SGSN */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1158 | BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id)); |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1159 | |
| 1160 | /* Now SGSN sends some DL data, PCU will page on PACCH */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1161 | BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data)); |
Vadim Yanitskiy | 7431e9e | 2020-07-21 01:59:17 +0700 | [diff] [blame] | 1162 | f_ms_rx_pkt_ass_pacch(ms, sched_fn, tr_RLCMAC_DL_PACKET_ASS); |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1163 | /* DL Ass sets poll+rrbp requesting PACKET CONTROL ACK */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1164 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1165 | |
Pau Espin Pedrol | adbbe1e | 2020-05-17 00:28:01 +0200 | [diff] [blame] | 1166 | /* PCU acks the UL data after having received CV=0) */ |
| 1167 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, unused_fn); |
| 1168 | |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1169 | /* After acking the dl assignment, dl tbf goes into FLOW state and PCU will provide DL data when BTS asks for it */ |
Pau Espin Pedrol | 42acafc | 2020-05-14 15:18:38 +0200 | [diff] [blame] | 1170 | f_rx_rlcmac_dl_block_exp_data(dl_block, dl_fn, data, 0, exp_dl_cs_mcs); |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1171 | |
| 1172 | /* ACK the DL block */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1173 | f_acknackdesc_ack_block(ms.dl_tbf.acknack_desc, dl_block, '1'B); |
| 1174 | f_ms_tx_ul_block(ms, ts_RLCMAC_DL_ACK_NACK(ms.ul_tbf.tfi, ms.dl_tbf.acknack_desc), |
| 1175 | f_dl_block_ack_fn(dl_block, dl_fn)); |
Pau Espin Pedrol | 02c972d | 2020-05-13 15:56:16 +0200 | [diff] [blame] | 1176 | |
| 1177 | f_shutdown(__BFILE__, __LINE__, final := true); |
| 1178 | } |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1179 | |
| 1180 | testcase TC_mo_ping_pong_with_ul_racap() runs on RAW_PCU_Test_CT { |
| 1181 | var MultislotCap_GPRS mscap_gprs := { |
| 1182 | gprsmultislotclass := '00011'B, |
| 1183 | gprsextendeddynalloccap := '0'B |
| 1184 | }; |
| 1185 | var MSRadioAccessCapabilityV ms_racap := { valueof(ts_RaCapRec('0001'B /* E-GSM */, mscap_gprs, omit)) }; |
Pau Espin Pedrol | 42acafc | 2020-05-14 15:18:38 +0200 | [diff] [blame] | 1186 | var CodingScheme exp_ul_cs_mcs := f_rlcmac_block_int2cs_mcs(g_mcs_initial_ul, false); |
| 1187 | var CodingScheme exp_dl_cs_mcs := CS_2; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1188 | |
Pau Espin Pedrol | 42acafc | 2020-05-14 15:18:38 +0200 | [diff] [blame] | 1189 | f_TC_mo_ping_pong_2phase_access(ms_racap, exp_ul_cs_mcs, exp_dl_cs_mcs); |
| 1190 | } |
| 1191 | |
| 1192 | testcase TC_mo_ping_pong_with_ul_racap_egprs_only() runs on RAW_PCU_Test_CT { |
| 1193 | /* Initialize the PCU interface abstraction with EGPRS-only */ |
| 1194 | g_egprs_only := true; |
| 1195 | |
| 1196 | var MultislotCap_GPRS mscap_gprs := { |
| 1197 | gprsmultislotclass := '00011'B, |
| 1198 | gprsextendeddynalloccap := '0'B |
| 1199 | }; |
| 1200 | var MultislotCap_EGPRS mscap_egprs := { |
| 1201 | egprsmultislotclass := '00011'B, |
| 1202 | egprsextendeddynalloccap := '0'B |
| 1203 | }; |
| 1204 | var MSRadioAccessCapabilityV ms_racap := { valueof(ts_RaCapRec('0001'B /* E-GSM */, mscap_gprs, mscap_egprs)) }; |
| 1205 | var CodingScheme exp_ul_cs_mcs := f_rlcmac_block_int2cs_mcs(g_mcs_initial_ul, true); |
| 1206 | var CodingScheme exp_dl_cs_mcs := MCS_1; |
| 1207 | |
| 1208 | f_TC_mo_ping_pong_2phase_access(ms_racap, exp_ul_cs_mcs, exp_dl_cs_mcs); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1209 | } |
| 1210 | |
Pau Espin Pedrol | 0c0bf87 | 2020-05-14 15:50:49 +0200 | [diff] [blame] | 1211 | testcase TC_force_two_phase_access() runs on RAW_PCU_Test_CT { |
| 1212 | /* Configure PCU to force two phase access */ |
| 1213 | g_force_two_phase_access := true; |
| 1214 | |
| 1215 | var MultislotCap_GPRS mscap_gprs := { |
| 1216 | gprsmultislotclass := '00011'B, |
| 1217 | gprsextendeddynalloccap := '0'B |
| 1218 | }; |
| 1219 | var MSRadioAccessCapabilityV ms_racap := { valueof(ts_RaCapRec('0001'B /* E-GSM */, mscap_gprs, omit)) }; |
| 1220 | var CodingScheme exp_ul_cs_mcs := f_rlcmac_block_int2cs_mcs(g_mcs_initial_ul, false); |
| 1221 | var CodingScheme exp_dl_cs_mcs := CS_2; |
| 1222 | |
| 1223 | f_TC_mo_ping_pong_2phase_access(ms_racap, exp_ul_cs_mcs, exp_dl_cs_mcs); |
| 1224 | } |
| 1225 | |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1226 | /* Test scenario where SGSN wants to send some data against MS and it is |
| 1227 | * answered by the MS on PDCH, so TBFs for downlink and later for uplink are created. |
| 1228 | */ |
| 1229 | private function f_TC_mt_ping_pong(template (omit) MSRadioAccessCapabilityV_BSSGP ms_racap := omit, template (present) CodingScheme exp_cs_mcs := ?) runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1230 | var RlcmacDlBlock dl_block; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1231 | var octetstring data := f_rnd_octstring(10); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1232 | var uint32_t sched_fn; |
Vadim Yanitskiy | b6733a6 | 2020-05-10 14:39:00 +0700 | [diff] [blame] | 1233 | var uint32_t dl_fn; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1234 | var GprsMS ms; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1235 | |
| 1236 | /* Initialize NS/BSSGP side */ |
| 1237 | f_init_bssgp(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1238 | /* Initialize GPRS MS side */ |
| 1239 | f_init_gprs_ms(); |
| 1240 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1241 | |
| 1242 | /* Initialize the PCU interface abstraction */ |
| 1243 | f_init_raw(testcasename()); |
| 1244 | |
| 1245 | /* Establish BSSGP connection to the PCU */ |
| 1246 | f_bssgp_establish(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1247 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1248 | |
| 1249 | /* SGSN sends some DL data, PCU will page on CCCH (PCH) */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1250 | BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data, ms_racap)); |
| 1251 | f_ms_exp_dl_tbf_ass_ccch(ms, PCU_IF_SAPI_PCH); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1252 | |
| 1253 | /* Wait timer X2002 and DL block is available after CCCH IMM ASS: */ |
| 1254 | f_sleep(X2002); |
Vadim Yanitskiy | b6733a6 | 2020-05-10 14:39:00 +0700 | [diff] [blame] | 1255 | f_rx_rlcmac_dl_block_exp_data(dl_block, dl_fn, data, 0, exp_cs_mcs); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1256 | |
Pau Espin Pedrol | 6791eb6 | 2020-05-20 18:27:10 +0200 | [diff] [blame] | 1257 | /* ACK the DL block, and request UL TBF at the same time */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1258 | f_acknackdesc_ack_block(ms.dl_tbf.acknack_desc, dl_block, '1'B); |
Pau Espin Pedrol | 6791eb6 | 2020-05-20 18:27:10 +0200 | [diff] [blame] | 1259 | f_ms_tx_ul_block(ms, ts_RLCMAC_DL_ACK_NACK_CHREQ(ms.dl_tbf.tfi, ms.dl_tbf.acknack_desc), |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1260 | f_dl_block_ack_fn(dl_block, dl_fn)); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1261 | |
Pau Espin Pedrol | 6791eb6 | 2020-05-20 18:27:10 +0200 | [diff] [blame] | 1262 | /* Expect UL ass */ |
Vadim Yanitskiy | 7431e9e | 2020-07-21 01:59:17 +0700 | [diff] [blame] | 1263 | f_ms_rx_pkt_ass_pacch(ms, sched_fn, tr_RLCMAC_UL_PACKET_ASS); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1264 | |
Pau Espin Pedrol | 4aac3d0 | 2020-05-13 15:13:49 +0200 | [diff] [blame] | 1265 | /* Send one UL block (with TLLI since we are in One-Phase Access |
| 1266 | contention resoultion) and make sure it is ACKED fine */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1267 | f_ms_tx_ul_data_block_multi(ms, 1, with_tlli := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1268 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn); |
| 1269 | /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1270 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1271 | |
| 1272 | /* UL block should be received in SGSN */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1273 | BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id)); |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 1274 | |
| 1275 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1276 | } |
| 1277 | |
| 1278 | testcase TC_mt_ping_pong() runs on RAW_PCU_Test_CT { |
| 1279 | var CodingScheme exp_cs_mcs := CS_1; |
| 1280 | f_TC_mt_ping_pong(omit, exp_cs_mcs); |
| 1281 | } |
| 1282 | |
| 1283 | /* TC_mt_ping_pong, but DL-UNITDATA contains RA Access capability with (M)CS |
| 1284 | /* information about the MS */ |
| 1285 | testcase TC_mt_ping_pong_with_dl_racap() runs on RAW_PCU_Test_CT { |
| 1286 | var MultislotCap_GPRS_BSSGP mscap_gprs := { |
| 1287 | gprsmultislotclass := '00011'B, |
| 1288 | gprsextendeddynalloccap := '0'B |
| 1289 | } ; |
| 1290 | var MSRadioAccessCapabilityV_BSSGP ms_racap := { valueof(ts_RaCapRec_BSSGP('0001'B /* E-GSM */, mscap_gprs, omit)) }; |
| 1291 | var CodingScheme exp_cs_mcs := CS_2; |
| 1292 | f_TC_mt_ping_pong(ms_racap, exp_cs_mcs); |
| 1293 | } |
| 1294 | |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1295 | /* Verify that if PCU doesn't get one of the intermediate UL data blocks in a UL |
| 1296 | * TBF, it will request retransmission through UL ACK/NACK (with missing block |
| 1297 | * in its bitmap) when CV=0 is received (and hence it knows no more data is to |
| 1298 | * be transferred). |
| 1299 | */ |
| 1300 | testcase TC_ul_intermediate_retrans() runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1301 | var RlcmacDlBlock dl_block; |
| 1302 | var template (value) RlcmacUlBlock ul_data; |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1303 | var uint32_t sched_fn; |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1304 | var octetstring total_payload; |
| 1305 | var octetstring payload; |
| 1306 | var octetstring lost_payload; |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1307 | var uint5_t tfi; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1308 | var GprsMS ms; |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1309 | |
| 1310 | /* Initialize NS/BSSGP side */ |
| 1311 | f_init_bssgp(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1312 | /* Initialize GPRS MS side */ |
| 1313 | f_init_gprs_ms(); |
| 1314 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1315 | |
| 1316 | /* Initialize the PCU interface abstraction */ |
| 1317 | f_init_raw(testcasename()); |
| 1318 | |
| 1319 | /* Establish BSSGP connection to the PCU */ |
| 1320 | f_bssgp_establish(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1321 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1322 | |
| 1323 | /* Establish an Uplink TBF */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1324 | f_ms_establish_ul_tbf(ms); |
| 1325 | tfi := ms.ul_tbf.tfi; |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1326 | |
| 1327 | /* Send one UL block (with TLLI since we are in One-Phase Access |
| 1328 | contention resoultion) and make sure it is ACKED fine. */ |
| 1329 | payload := f_rnd_octstring(16); /* 16 bytes fills the llc block (because TLLI takes 4 bytes) */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1330 | f_ms_tx_ul_data_block(ms, payload, cv := 15, with_tlli := true); |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1331 | |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1332 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn); |
| 1333 | /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1334 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1335 | total_payload := payload; |
| 1336 | |
| 1337 | /* Send 2 packets, skip 1 (inc bsn) and send another one */ |
| 1338 | payload := f_rnd_octstring(20); /* 20 bytes fills the CS-1 llc block */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1339 | f_ms_tx_ul_data_block(ms, payload, cv := 15); |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1340 | total_payload := total_payload & payload; |
| 1341 | |
| 1342 | payload := f_rnd_octstring(20); /* 20 bytes fills the CS-1 llc block */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1343 | f_ms_tx_ul_data_block(ms, payload, cv := 15); |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1344 | total_payload := total_payload & payload; |
| 1345 | |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1346 | lost_payload := f_rnd_octstring(20); |
| 1347 | ms.ul_tbf.bsn := ms.ul_tbf.bsn + 1; /* LOST PAYLOAD bsn=3, will be retransmitted, next bsn is increased +2 */ |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1348 | total_payload := total_payload & lost_payload; |
| 1349 | |
| 1350 | payload := f_rnd_octstring(20); /* 20 bytes fills the CS-1 llc block */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1351 | f_ms_tx_ul_data_block(ms, payload, cv := 15); |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1352 | total_payload := total_payload & payload; |
| 1353 | |
| 1354 | /* Send enough blocks to finish the transmission (since we were sending BSN=15, send BS_CV_MAX packets) */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1355 | total_payload := total_payload & f_ms_tx_ul_data_block_multi(ms, g_bs_cv_max); |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1356 | |
| 1357 | /* On CV=0, we'll receive a UL ACK asking about missing block */ |
| 1358 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn); |
| 1359 | /* TODO: check ack ack bitmap (URBB) */ |
| 1360 | ul_data := t_RLCMAC_UL_DATA(tfi := tfi, cv := 15, bsn := 3, blocks := {t_RLCMAC_LLCBLOCK(lost_payload)}); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1361 | f_ms_tx_ul_block(ms, ul_data); |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1362 | |
| 1363 | /* Now final ack is recieved */ |
| 1364 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn); |
| 1365 | /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1366 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1367 | |
| 1368 | /* receive one message on BSSGP with all aggregated data in payload: */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1369 | BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id, total_payload)); |
Pau Espin Pedrol | a416cb8 | 2020-05-15 14:09:02 +0200 | [diff] [blame] | 1370 | } |
| 1371 | |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1372 | /* Verify that if PCU doesn't get an ACK for first DL block after IMM ASS, it |
| 1373 | * will retry by retransmitting both the IMM ASS + DL block after poll (ack) |
| 1374 | * timeout occurs (specified by sent RRBP on DL block). */ |
| 1375 | testcase TC_imm_ass_dl_block_retrans() runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1376 | var RlcmacDlBlock dl_block; |
| 1377 | var octetstring data := f_rnd_octstring(10); |
Vadim Yanitskiy | b6733a6 | 2020-05-10 14:39:00 +0700 | [diff] [blame] | 1378 | var uint32_t dl_fn; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1379 | var GprsMS ms; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1380 | |
| 1381 | /* Initialize NS/BSSGP side */ |
| 1382 | f_init_bssgp(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1383 | /* Initialize GPRS MS side */ |
| 1384 | f_init_gprs_ms(); |
| 1385 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1386 | |
| 1387 | /* Initialize the PCU interface abstraction */ |
| 1388 | f_init_raw(testcasename()); |
| 1389 | |
| 1390 | /* Establish BSSGP connection to the PCU */ |
| 1391 | f_bssgp_establish(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1392 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1393 | |
| 1394 | /* SGSN sends some DL data, PCU will page on CCCH (PCH) */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1395 | BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data)); |
| 1396 | f_ms_exp_dl_tbf_ass_ccch(ms, PCU_IF_SAPI_PCH); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1397 | |
| 1398 | /* Wait timer X2002 and DL block is available after CCCH IMM ASS: */ |
| 1399 | f_sleep(X2002); |
Vadim Yanitskiy | b6733a6 | 2020-05-10 14:39:00 +0700 | [diff] [blame] | 1400 | f_rx_rlcmac_dl_block_exp_data(dl_block, dl_fn, data, 0); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1401 | |
| 1402 | /* Now we don't ack the dl block (emulate MS failed receiveing IMM ASS |
| 1403 | * or GPRS DL, or DL ACK was lost for some reason). As a result, PCU |
| 1404 | * should retrigger IMM ASS + GPRS DL procedure after poll timeout. */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1405 | f_ms_exp_dl_tbf_ass_ccch(ms, PCU_IF_SAPI_PCH); |
Vadim Yanitskiy | 2e213ae | 2020-05-06 22:26:17 +0700 | [diff] [blame] | 1406 | |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1407 | /* Wait timer X2002 and DL block is available after CCCH IMM ASS: */ |
| 1408 | f_sleep(X2002); |
Vadim Yanitskiy | b6733a6 | 2020-05-10 14:39:00 +0700 | [diff] [blame] | 1409 | f_rx_rlcmac_dl_block_exp_data(dl_block, dl_fn, data, 0); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1410 | |
| 1411 | /* ACK the DL block */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1412 | f_acknackdesc_ack_block(ms.dl_tbf.acknack_desc, dl_block, '1'B); |
| 1413 | f_ms_tx_ul_block(ms, ts_RLCMAC_DL_ACK_NACK(ms.dl_tbf.tfi, ms.dl_tbf.acknack_desc), |
| 1414 | f_dl_block_ack_fn(dl_block, dl_fn)); |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 1415 | |
| 1416 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1417 | } |
| 1418 | |
Vadim Yanitskiy | 71238c1 | 2020-05-11 03:48:06 +0700 | [diff] [blame] | 1419 | /* Verify scheduling of multiple Downlink data blocks during one RRBP. */ |
| 1420 | testcase TC_dl_flow_more_blocks() runs on RAW_PCU_Test_CT { |
| 1421 | var AckNackDescription ack_nack_desc := valueof(t_AckNackDescription_init); |
| 1422 | var octetstring data := f_rnd_octstring(16); |
Vadim Yanitskiy | 71238c1 | 2020-05-11 03:48:06 +0700 | [diff] [blame] | 1423 | var PacketDlAssign dl_tbf_ass; |
Vadim Yanitskiy | 71238c1 | 2020-05-11 03:48:06 +0700 | [diff] [blame] | 1424 | var RlcmacDlBlock dl_block; |
| 1425 | var uint32_t ack_fn; |
| 1426 | var uint32_t fn; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1427 | var GprsMS ms; |
Vadim Yanitskiy | 71238c1 | 2020-05-11 03:48:06 +0700 | [diff] [blame] | 1428 | timer T := 5.0; |
| 1429 | |
| 1430 | /* Initialize NS/BSSGP side */ |
| 1431 | f_init_bssgp(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1432 | /* Initialize GPRS MS side */ |
| 1433 | f_init_gprs_ms(); |
| 1434 | ms := g_ms[0]; /* We only use first MS in this test */ |
Vadim Yanitskiy | 71238c1 | 2020-05-11 03:48:06 +0700 | [diff] [blame] | 1435 | |
| 1436 | /* Initialize the PCU interface abstraction */ |
| 1437 | f_init_raw(testcasename()); |
| 1438 | |
| 1439 | /* Establish BSSGP connection to the PCU */ |
| 1440 | f_bssgp_establish(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1441 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
Vadim Yanitskiy | 71238c1 | 2020-05-11 03:48:06 +0700 | [diff] [blame] | 1442 | |
| 1443 | /* SGSN sends some DL data, PCU will page on CCCH (PCH) */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1444 | BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data)); |
| 1445 | f_ms_exp_dl_tbf_ass_ccch(ms, PCU_IF_SAPI_PCH); |
Vadim Yanitskiy | 71238c1 | 2020-05-11 03:48:06 +0700 | [diff] [blame] | 1446 | |
| 1447 | /* Wait timer X2002 and DL block is available after CCCH IMM ASS */ |
| 1448 | f_sleep(X2002); |
| 1449 | |
| 1450 | /* Expect the first (GPRS DL) block with bsn=0 and rrbp_valid=1 */ |
| 1451 | f_rx_rlcmac_dl_block_exp_data(dl_block, fn, data, 0); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1452 | f_acknackdesc_ack_block(ms.dl_tbf.acknack_desc, dl_block); |
Vadim Yanitskiy | 71238c1 | 2020-05-11 03:48:06 +0700 | [diff] [blame] | 1453 | |
| 1454 | /* TDMA frame number on which we are supposed to send the ACK */ |
| 1455 | ack_fn := f_dl_block_ack_fn(dl_block, fn); |
| 1456 | |
| 1457 | /* SGSN sends more blocks during the indicated RRBP */ |
| 1458 | for (var integer bsn := 1; bsn < 63; bsn := bsn + 1) { |
| 1459 | data := f_rnd_octstring(16); /* Random LLC data */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1460 | BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data)); |
Vadim Yanitskiy | 71238c1 | 2020-05-11 03:48:06 +0700 | [diff] [blame] | 1461 | |
| 1462 | f_rx_rlcmac_dl_block_exp_data(dl_block, fn, data, bsn); |
| 1463 | |
| 1464 | /* Make sure this block has the same TFI as was assigned |
| 1465 | * FIXME: this is only valid for GPRS, not EGPRS. */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1466 | if (dl_block.data.mac_hdr.hdr_ext.tfi != ms.dl_tbf.tfi) { |
Vadim Yanitskiy | 71238c1 | 2020-05-11 03:48:06 +0700 | [diff] [blame] | 1467 | setverdict(fail, "Rx DL data block with unexpected TFI: ", |
| 1468 | dl_block.data.mac_hdr.hdr_ext.tfi); |
| 1469 | f_shutdown(__BFILE__, __LINE__); |
| 1470 | } |
| 1471 | |
| 1472 | /* Keep Ack/Nack description updated */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1473 | f_acknackdesc_ack_block(ms.dl_tbf.acknack_desc, dl_block); |
Vadim Yanitskiy | 71238c1 | 2020-05-11 03:48:06 +0700 | [diff] [blame] | 1474 | |
| 1475 | /* Break if this is the end of RRBP */ |
| 1476 | if (fn == ack_fn) { |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1477 | ms.dl_tbf.acknack_desc.final_ack := '1'B; |
Vadim Yanitskiy | 71238c1 | 2020-05-11 03:48:06 +0700 | [diff] [blame] | 1478 | break; |
| 1479 | } |
| 1480 | } |
| 1481 | |
| 1482 | /* This is the end of RRBP, send Packet Downlink Ack/Nack */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1483 | f_ms_tx_ul_block(ms, ts_RLCMAC_DL_ACK_NACK(ms.dl_tbf.tfi, ms.dl_tbf.acknack_desc), fn := fn); |
Vadim Yanitskiy | 71238c1 | 2020-05-11 03:48:06 +0700 | [diff] [blame] | 1484 | |
| 1485 | /* Make sure that the next block (after the Ack) is dummy */ |
| 1486 | f_rx_rlcmac_dl_block_exp_dummy(dl_block); |
| 1487 | |
| 1488 | f_shutdown(__BFILE__, __LINE__, final := true); |
| 1489 | } |
| 1490 | |
Pau Espin Pedrol | 05b6c17 | 2020-06-26 17:28:23 +0200 | [diff] [blame] | 1491 | /* Verify Decoding and segmentation of UL LLC PDUs into RLC data blocks, OS#4559. |
| 1492 | * Check "GPRS from A-Z" slide "Example of LI-Field and E-Bit" page 186. |
| 1493 | * Check "3GPP TS 44.060" Annex B. */ |
| 1494 | testcase TC_ul_flow_multiple_llc_blocks() runs on RAW_PCU_Test_CT { |
| 1495 | var RlcmacDlBlock dl_block; |
| 1496 | var octetstring dataA := f_rnd_octstring(20); |
| 1497 | var octetstring dataB := f_rnd_octstring(13); |
| 1498 | var octetstring dataC := f_rnd_octstring(3); |
| 1499 | var octetstring dataD := f_rnd_octstring(12); |
| 1500 | var uint32_t sched_fn; |
| 1501 | var GprsMS ms; |
| 1502 | var template (value) RlcmacUlBlock ul_data; |
| 1503 | |
| 1504 | /* Initialize NS/BSSGP side */ |
| 1505 | f_init_bssgp(); |
| 1506 | /* Initialize GPRS MS side */ |
| 1507 | f_init_gprs_ms(); |
| 1508 | ms := g_ms[0]; /* We only use first MS in this test */ |
| 1509 | |
| 1510 | /* Initialize the PCU interface abstraction */ |
| 1511 | f_init_raw(testcasename()); |
| 1512 | |
| 1513 | /* Establish BSSGP connection to the PCU */ |
| 1514 | f_bssgp_establish(); |
| 1515 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
| 1516 | |
| 1517 | /* Establish an Uplink TBF */ |
| 1518 | f_ms_establish_ul_tbf(ms); |
| 1519 | |
| 1520 | /* Summary of what's transmitted: |
| 1521 | * 1- UL RlcDataBlock(dataA) [BSN=0, CV=3] |
| 1522 | * 2- UL RlcDataBlock(dataA finished, dataB starts) [BSN=1, CV=2] |
| 1523 | * 3- UL RlcDataBlock(dataB finished, dataC starts and finishes, dataD starts) [BSN=2, CV=1] |
| 1524 | * 4- UL RlcDataBlock(dataD finishes) [BSN=3, CV=0] |
| 1525 | * And on SGSN we receive 4 packets, one for each LlcBlock dataA..D. |
| 1526 | * We'll also receive some UL ACK/NACK we need to reply with CTRL ACK. |
| 1527 | */ |
| 1528 | |
| 1529 | /* UL RlcDataBlock(dataA) [BSN=0, CV=3] */ |
| 1530 | ul_data := t_RLCMAC_UL_DATA_TLLI(tfi := ms.ul_tbf.tfi, |
| 1531 | cv := 3, |
| 1532 | bsn := ms.ul_tbf.bsn, |
| 1533 | blocks := { t_RLCMAC_LLCBLOCK(substr(dataA, 0, 16)) }, |
| 1534 | tlli := ms.tlli); |
| 1535 | /* Indicate no llc header, meaning first LLC block doesn't finish in current |
| 1536 | * RLCMAC block being sent. */ |
| 1537 | ul_data.data.mac_hdr.e := true; |
| 1538 | f_ultbf_inc_bsn(ms.ul_tbf); |
| 1539 | f_ms_tx_ul_block(ms, ul_data); |
| 1540 | |
| 1541 | /* UL RlcDataBlock(dataA finished, dataB starts) [BSN=1, CV=2] */ |
| 1542 | ul_data := t_RLCMAC_UL_DATA_TLLI(tfi := ms.ul_tbf.tfi, |
| 1543 | cv := 2, |
| 1544 | bsn := ms.ul_tbf.bsn, |
| 1545 | blocks := { t_RLCMAC_LLCBLOCK(substr(dataA, 16, 4), |
| 1546 | t_RLCMAC_LLCBLOCK_HDR(length_ind := 4, more := true, e := true)), |
| 1547 | t_RLCMAC_LLCBLOCK(substr(dataB, 0, 11)) |
| 1548 | }, |
| 1549 | tlli := ms.tlli); |
| 1550 | f_ultbf_inc_bsn(ms.ul_tbf); |
| 1551 | f_ms_tx_ul_block(ms, ul_data); |
| 1552 | |
| 1553 | /* UL block dataA should be received in SGSN */ |
| 1554 | BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id, dataA)); |
| 1555 | |
| 1556 | /* UL RlcDataBlock(dataB finished, dataC starts and finishes, dataD starts) [BSN=2, CV=1] */ |
| 1557 | ul_data := t_RLCMAC_UL_DATA_TLLI(tfi := ms.ul_tbf.tfi, |
| 1558 | cv := 1, |
| 1559 | bsn := ms.ul_tbf.bsn, |
| 1560 | blocks := { t_RLCMAC_LLCBLOCK(substr(dataB, 11, 2), |
| 1561 | t_RLCMAC_LLCBLOCK_HDR(length_ind := 2, more := true, e := false)), |
| 1562 | t_RLCMAC_LLCBLOCK(substr(dataC, 0, 3), |
| 1563 | t_RLCMAC_LLCBLOCK_HDR(length_ind := 3, more := true, e := true)), |
| 1564 | t_RLCMAC_LLCBLOCK(substr(dataD, 0, 9)) |
| 1565 | }, |
| 1566 | tlli := ms.tlli); |
| 1567 | f_ultbf_inc_bsn(ms.ul_tbf); |
| 1568 | f_ms_tx_ul_block(ms, ul_data); |
| 1569 | |
| 1570 | /* UL block dataB and dataC should be received in SGSN */ |
| 1571 | BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id, dataB)); |
| 1572 | BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id, dataC)); |
| 1573 | |
| 1574 | /* UL RlcDataBlock(dataD finishes) [BSN=3, CV=0] */ |
| 1575 | ul_data := t_RLCMAC_UL_DATA_TLLI(tfi := ms.ul_tbf.tfi, |
| 1576 | cv := 0, |
| 1577 | bsn := ms.ul_tbf.bsn, |
| 1578 | blocks := { t_RLCMAC_LLCBLOCK(substr(dataD, 9, 3), |
| 1579 | t_RLCMAC_LLCBLOCK_HDR(length_ind := 3, more := false, e := true)) |
| 1580 | }, |
| 1581 | tlli := ms.tlli); |
| 1582 | f_ultbf_inc_bsn(ms.ul_tbf); |
| 1583 | f_ms_tx_ul_block(ms, ul_data); |
| 1584 | |
| 1585 | /* UL block dataB and dataD should be received in SGSN */ |
| 1586 | BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id, dataD)); |
| 1587 | |
| 1588 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn); |
| 1589 | /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */ |
| 1590 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
| 1591 | |
| 1592 | f_shutdown(__BFILE__, __LINE__, final := true); |
| 1593 | } |
| 1594 | |
Pau Espin Pedrol | cdbe903 | 2020-07-07 20:20:42 +0200 | [diff] [blame] | 1595 | /* Test scenario where MS wants to request a new TBF once the current one is |
| 1596 | * ending, by means of sending a Packet Resource Request on ul slot provided by |
| 1597 | * last Pkt Ul ACK's RRBP. |
| 1598 | * See 3GPP TS 44.060 sec 9.3.2.4.2 "Non-extended uplink TBF mode" */ |
| 1599 | testcase TC_ul_tbf_reestablish_with_pkt_resource_req() runs on RAW_PCU_Test_CT { |
| 1600 | var CodingScheme exp_cs_mcs := CS_1; |
| 1601 | var RlcmacDlBlock dl_block; |
| 1602 | var octetstring data := f_rnd_octstring(10); |
| 1603 | var uint32_t sched_fn; |
| 1604 | var uint32_t dl_fn; |
| 1605 | var template RlcmacDlBlock acknack_tmpl; |
| 1606 | var GprsMS ms; |
| 1607 | |
| 1608 | /* Initialize NS/BSSGP side */ |
| 1609 | f_init_bssgp(); |
| 1610 | /* Initialize GPRS MS side */ |
| 1611 | f_init_gprs_ms(); |
| 1612 | ms := g_ms[0]; /* We only use first MS in this test */ |
| 1613 | |
| 1614 | /* Initialize the PCU interface abstraction */ |
| 1615 | f_init_raw(testcasename()); |
| 1616 | |
| 1617 | /* Establish BSSGP connection to the PCU */ |
| 1618 | f_bssgp_establish(); |
| 1619 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
| 1620 | |
| 1621 | /* Establish an Uplink TBF */ |
| 1622 | f_ms_establish_ul_tbf(ms); |
| 1623 | |
| 1624 | /* Send one UL block (with TLLI since we are in One-Phase Access |
| 1625 | contention resoultion) and make sure it is ACKED fine */ |
| 1626 | f_ms_tx_ul_data_block_multi(ms, 1, with_tlli := true); |
| 1627 | |
| 1628 | /* UL block should be received in SGSN */ |
| 1629 | BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id)); |
| 1630 | |
| 1631 | acknack_tmpl := tr_RLCMAC_UL_ACK_NACK_GPRS(ms.ul_tbf.tfi, |
| 1632 | tr_UlAckNackGprs(ms.tlli, |
| 1633 | tr_AckNackDescription(final_ack := '1'B), |
| 1634 | tr_UlAckNackGprsAdditionsRel99(tbf_est := true))) |
| 1635 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn, acknack_tmpl); |
| 1636 | |
| 1637 | /* TODO: verify TBF_EST and FinalACK are both '1' above */ |
| 1638 | |
| 1639 | /* Send PACKET RESOURCE REQUEST to request a new UL TBF */ |
Vadim Yanitskiy | f3cb4dd | 2020-07-21 01:52:33 +0700 | [diff] [blame] | 1640 | f_ms_tx_ul_block(ms, ts_RLC_UL_CTRL_ACK(ts_RlcMacUlCtrl_PKT_RES_REQ(ms.tlli, omit)), sched_fn); |
Vadim Yanitskiy | 7431e9e | 2020-07-21 01:59:17 +0700 | [diff] [blame] | 1641 | f_ms_rx_pkt_ass_pacch(ms, sched_fn, tr_RLCMAC_UL_PACKET_ASS); |
Pau Espin Pedrol | cdbe903 | 2020-07-07 20:20:42 +0200 | [diff] [blame] | 1642 | /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */ |
| 1643 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
| 1644 | |
| 1645 | /* Send one UL block (without TLLI since we are in Second-Phase Access) |
| 1646 | and make sure it is ACKED fine */ |
| 1647 | f_ms_tx_ul_data_block_multi(ms, 1, with_tlli := false); /* TODO: send using cs_mcs */ |
| 1648 | |
| 1649 | /* UL block should be received in SGSN */ |
| 1650 | BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id)); |
| 1651 | |
| 1652 | f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn, acknack_tmpl); |
| 1653 | /* ACK the ACK */ |
| 1654 | f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn); |
| 1655 | |
| 1656 | f_shutdown(__BFILE__, __LINE__, final := true); |
| 1657 | } |
| 1658 | |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 1659 | private function f_pkt_paging_match_imsi(in PacketPagingReq req, hexstring imsi) |
| 1660 | runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1661 | var MobileIdentityLV_Paging mi_lv := req.repeated_pageinfo.cs.mobile_identity; |
| 1662 | var MobileIdentityV mi := dec_MobileIdentityV(mi_lv.mobile_id); |
| 1663 | |
| 1664 | if (mi_lv.len != 8) { /* 8 octets: type of ID (3 bits) + even/odd flag (1 bit) + 15 BCD-encoded digits (60 bits) */ |
| 1665 | setverdict(fail, "Mobile Identity length mismatch: ", |
| 1666 | "expected: 8, got: ", mi_lv.len); |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 1667 | f_shutdown(__BFILE__, __LINE__); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1668 | } |
| 1669 | |
| 1670 | /* Make sure MI contains IMSI before referencing it */ |
| 1671 | if (mi.typeOfIdentity != '001'B) { |
| 1672 | setverdict(fail, "Mobile Identity must be of type IMSI ('001'B), ", |
| 1673 | "got: ", mi.typeOfIdentity); |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 1674 | f_shutdown(__BFILE__, __LINE__); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1675 | } else if (mi.oddEvenInd_identity.imsi.digits != imsi) { |
| 1676 | setverdict(fail, "Mobile Identity contains unexpected IMSI, ", |
| 1677 | "expected: ", imsi, " got: ", mi.oddEvenInd_identity.imsi.digits); |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 1678 | f_shutdown(__BFILE__, __LINE__); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1679 | } |
| 1680 | } |
| 1681 | |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1682 | /* Test CS paging over the BTS<->PCU socket. |
| 1683 | * When a (class B or C, not A) MS has an active TBF (or is on the PDCH), the MS can not react on CS paging over CCCH. |
| 1684 | * Paging should be send on the PACCH. |
| 1685 | * |
| 1686 | * 1. Send a Paging Request over PCU socket. |
| 1687 | * 2. Send a Ready-To-Send message over PCU socket |
| 1688 | * 3. Expect a Paging Frame |
| 1689 | */ |
| 1690 | testcase TC_paging_cs_from_bts() runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1691 | var RlcmacDlBlock dl_block; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1692 | var MobileIdentityLV mi; |
| 1693 | var octetstring mi_enc_lv; |
| 1694 | var hexstring imsi := f_gen_imsi(42); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1695 | var GprsMS ms; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1696 | |
| 1697 | /* Initialize NS/BSSGP side */ |
| 1698 | f_init_bssgp(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1699 | /* Initialize GPRS MS side */ |
| 1700 | f_init_gprs_ms(); |
| 1701 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1702 | |
| 1703 | /* Initialize the PCU interface abstraction */ |
| 1704 | f_init_raw(testcasename()); |
| 1705 | |
| 1706 | /* Establish BSSGP connection to the PCU */ |
| 1707 | f_bssgp_establish(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1708 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1709 | |
| 1710 | /* Establish an Uplink TBF */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1711 | f_ms_establish_ul_tbf(ms); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1712 | |
| 1713 | /* build mobile Identity */ |
| 1714 | mi := valueof(ts_MI_IMSI_LV(imsi)); |
| 1715 | mi_enc_lv := enc_MobileIdentityLV(mi); |
| 1716 | /* Send paging request */ |
| 1717 | BTS.send(ts_PCUIF_PAG_REQ(bts_nr := 0, id_lv := mi_enc_lv, chan_needed := 0, |
| 1718 | sapi :=PCU_IF_SAPI_PDTCH)); |
| 1719 | |
| 1720 | /* Receive it on BTS side towards MS */ |
| 1721 | f_rx_rlcmac_dl_block_exp_pkt_pag_req(dl_block); |
| 1722 | |
| 1723 | /* Make sure that Packet Paging Request contains the same IMSI */ |
| 1724 | f_pkt_paging_match_imsi(dl_block.ctrl.payload.u.paging, imsi); |
| 1725 | |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 1726 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1727 | } |
| 1728 | |
| 1729 | /* Test CS paging over Gb (SGSN->PCU->BTS[PDCH]). |
| 1730 | */ |
| 1731 | private function f_tc_paging_cs_from_sgsn(Nsvci bvci, boolean use_ptmsi := false) |
| 1732 | runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1733 | var RlcmacDlBlock dl_block; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1734 | var hexstring imsi := f_gen_imsi(42); |
| 1735 | var GsmTmsi tmsi; |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1736 | var GprsMS ms; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1737 | |
| 1738 | /* Initialize NS/BSSGP side */ |
| 1739 | f_init_bssgp(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1740 | /* Initialize GPRS MS side */ |
| 1741 | f_init_gprs_ms(); |
| 1742 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1743 | |
| 1744 | /* Initialize the PCU interface abstraction */ |
| 1745 | f_init_raw(testcasename()); |
| 1746 | |
| 1747 | /* Establish BSSGP connection to the PCU */ |
| 1748 | f_bssgp_establish(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1749 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1750 | |
| 1751 | /* Establish an Uplink TBF */ |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1752 | f_ms_establish_ul_tbf(ms); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1753 | |
| 1754 | /* Send paging request with or without TMSI */ |
| 1755 | if (use_ptmsi) { |
| 1756 | tmsi := oct2int(f_rnd_octstring(4)); /* Random P-TMSI */ |
| 1757 | BSSGP[0].send(ts_BSSGP_CS_PAGING_PTMSI(bvci, imsi, tmsi)); |
| 1758 | } else { |
| 1759 | BSSGP[0].send(ts_BSSGP_CS_PAGING_IMSI(bvci, imsi)); |
| 1760 | } |
| 1761 | |
| 1762 | /* Receive it on BTS side towards MS */ |
| 1763 | f_rx_rlcmac_dl_block_exp_pkt_pag_req(dl_block); |
| 1764 | |
| 1765 | /* Make sure that Packet Paging Request contains the same P-TMSI/IMSI */ |
| 1766 | if (use_ptmsi) { |
| 1767 | f_pkt_paging_match_tmsi(dl_block.ctrl.payload.u.paging, tmsi); |
| 1768 | } else { |
| 1769 | f_pkt_paging_match_imsi(dl_block.ctrl.payload.u.paging, imsi); |
| 1770 | } |
| 1771 | |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 1772 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1773 | } |
| 1774 | |
| 1775 | testcase TC_paging_cs_from_sgsn_sign_ptmsi() runs on RAW_PCU_Test_CT { |
| 1776 | f_tc_paging_cs_from_sgsn(0, true); |
| 1777 | } |
| 1778 | |
| 1779 | testcase TC_paging_cs_from_sgsn_sign() runs on RAW_PCU_Test_CT { |
| 1780 | f_tc_paging_cs_from_sgsn(0); |
| 1781 | } |
| 1782 | |
| 1783 | testcase TC_paging_cs_from_sgsn_ptp() runs on RAW_PCU_Test_CT { |
| 1784 | f_tc_paging_cs_from_sgsn(mp_gb_cfg.bvci); |
| 1785 | } |
| 1786 | |
| 1787 | /* Test PS paging over Gb (SGSN->PCU->BTS[CCCH]). |
| 1788 | */ |
| 1789 | private function f_tc_paging_ps_from_sgsn(Nsvci bvci, boolean use_ptmsi := false) |
| 1790 | runs on RAW_PCU_Test_CT { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1791 | var integer imsi_suff_tx := 423; |
| 1792 | var hexstring imsi := f_gen_imsi(imsi_suff_tx); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1793 | var GprsMS ms; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1794 | |
| 1795 | /* Initialize NS/BSSGP side */ |
| 1796 | f_init_bssgp(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1797 | /* Initialize GPRS MS side */ |
| 1798 | f_init_gprs_ms(); |
| 1799 | ms := g_ms[0]; /* We only use first MS in this test */ |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1800 | |
| 1801 | /* Initialize the PCU interface abstraction */ |
| 1802 | f_init_raw(testcasename()); |
| 1803 | |
| 1804 | /* Establish BSSGP connection to the PCU */ |
| 1805 | f_bssgp_establish(); |
Pau Espin Pedrol | 4f7b8fd | 2020-05-18 18:28:17 +0200 | [diff] [blame] | 1806 | f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1807 | |
| 1808 | /* Send BSSGP PAGING-PS (with or without TMSI), wait for RR Paging Request Type 1. |
| 1809 | * Make sure that both paging group (IMSI suffix) and Mobile Identity match. */ |
| 1810 | if (use_ptmsi) { |
| 1811 | var OCT4 tmsi := f_rnd_octstring(4); /* Random P-TMSI */ |
| 1812 | BSSGP[0].send(ts_BSSGP_PS_PAGING_PTMSI(bvci, imsi, oct2int(tmsi))); |
| 1813 | f_pcuif_rx_pch_pag_req1(t_MI_TMSI(tmsi), imsi_suff_tx); |
| 1814 | } else { |
| 1815 | BSSGP[0].send(ts_BSSGP_PS_PAGING_IMSI(bvci, imsi)); |
| 1816 | f_pcuif_rx_pch_pag_req1(tr_MI_IMSI(imsi), imsi_suff_tx); |
| 1817 | } |
| 1818 | |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 1819 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1820 | } |
| 1821 | |
| 1822 | testcase TC_paging_ps_from_sgsn_sign_ptmsi() runs on RAW_PCU_Test_CT { |
| 1823 | f_tc_paging_ps_from_sgsn(0, true); |
| 1824 | } |
| 1825 | |
| 1826 | testcase TC_paging_ps_from_sgsn_sign() runs on RAW_PCU_Test_CT { |
| 1827 | f_tc_paging_ps_from_sgsn(0); |
| 1828 | } |
| 1829 | |
| 1830 | testcase TC_paging_ps_from_sgsn_ptp() runs on RAW_PCU_Test_CT { |
| 1831 | f_tc_paging_ps_from_sgsn(mp_gb_cfg.bvci); |
| 1832 | } |
| 1833 | |
| 1834 | private function f_TC_egprs_pkt_chan_req(in EGPRSPktChRequest req, |
Vadim Yanitskiy | 4389390 | 2020-05-29 15:21:50 +0700 | [diff] [blame] | 1835 | template GsmRrMessage t_imm_ass := ?, |
| 1836 | PCUIF_BurstType bt := BURST_TYPE_1) |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1837 | runs on RAW_PCU_Test_CT { |
Vadim Yanitskiy | 4389390 | 2020-05-29 15:21:50 +0700 | [diff] [blame] | 1838 | var GsmRrMessage rr_msg; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1839 | var uint16_t ra11; |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1840 | |
| 1841 | ra11 := enc_EGPRSPktChRequest2uint(req); |
| 1842 | log("Sending EGPRS Packet Channel Request (", ra11, "): ", req); |
| 1843 | |
Vadim Yanitskiy | 28d18e1 | 2020-05-29 15:25:59 +0700 | [diff] [blame] | 1844 | rr_msg := f_pcuif_tx_rach_rx_imm_ass(ra := ra11, is_11bit := 1, burst_type := bt); |
Vadim Yanitskiy | 4389390 | 2020-05-29 15:21:50 +0700 | [diff] [blame] | 1845 | if (not match(rr_msg, t_imm_ass)) { |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1846 | setverdict(fail, "Immediate Assignment does not match"); |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 1847 | f_shutdown(__BFILE__, __LINE__); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1848 | } |
| 1849 | |
| 1850 | setverdict(pass); |
| 1851 | } |
| 1852 | |
| 1853 | testcase TC_egprs_pkt_chan_req_signalling() runs on RAW_PCU_Test_CT { |
| 1854 | var template GsmRrMessage imm_ass; |
| 1855 | var template IaRestOctets rest; |
| 1856 | var template EgprsUlAss ul_ass; |
| 1857 | |
| 1858 | /* Initialize the PCU interface abstraction */ |
| 1859 | f_init_raw(testcasename()); |
| 1860 | |
| 1861 | var EGPRSPktChRequest req := { |
| 1862 | /* NOTE: other fields are set in the loop */ |
| 1863 | signalling := { tag := '110011'B } |
| 1864 | }; |
| 1865 | |
| 1866 | for (var integer i := 0; i < 6; i := i + 1) { |
| 1867 | var BIT5 ext_ra := int2bit(f_rnd_int(32), 5); |
| 1868 | req.signalling.random_bits := ext_ra; |
| 1869 | |
| 1870 | /* For signalling, do we expect Multiblock UL TBF Assignment? */ |
| 1871 | ul_ass := tr_EgprsUlAssMultiblock(ext_ra := ext_ra); |
| 1872 | rest := tr_IaRestOctets_EGPRSULAss(ul_ass); |
| 1873 | imm_ass := tr_IMM_TBF_ASS(dl := false, rest := rest); |
| 1874 | |
| 1875 | f_TC_egprs_pkt_chan_req(req, imm_ass); |
| 1876 | } |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 1877 | |
| 1878 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1879 | } |
| 1880 | |
| 1881 | testcase TC_egprs_pkt_chan_req_one_phase() runs on RAW_PCU_Test_CT { |
| 1882 | var template GsmRrMessage imm_ass; |
| 1883 | var template IaRestOctets rest; |
| 1884 | var template EgprsUlAss ul_ass; |
| 1885 | |
| 1886 | /* Initialize the PCU interface abstraction */ |
| 1887 | f_init_raw(testcasename()); |
| 1888 | |
| 1889 | var EGPRSPktChRequest req := { |
| 1890 | /* NOTE: other fields are set in the loop */ |
| 1891 | one_phase := { tag := '0'B } |
| 1892 | }; |
| 1893 | |
| 1894 | for (var integer i := 0; i < 6; i := i + 1) { |
| 1895 | var BIT5 ext_ra := int2bit(f_rnd_int(32), 5); |
| 1896 | var BIT5 mslot_class := int2bit(f_rnd_int(32), 5); |
| 1897 | var BIT2 priority := substr(ext_ra, 0, 2); |
| 1898 | var BIT3 rand := substr(ext_ra, 2, 3); |
| 1899 | |
| 1900 | req.one_phase.multislot_class := mslot_class; |
| 1901 | req.one_phase.priority := priority; |
| 1902 | req.one_phase.random_bits := rand; |
| 1903 | |
| 1904 | /* For one phase access, do we expect Dynamic UL TBF Assignment? */ |
| 1905 | ul_ass := tr_EgprsUlAssDynamic(ext_ra := ext_ra); |
| 1906 | rest := tr_IaRestOctets_EGPRSULAss(ul_ass); |
| 1907 | imm_ass := tr_IMM_TBF_ASS(dl := false, rest := rest); |
| 1908 | |
| 1909 | f_TC_egprs_pkt_chan_req(req, imm_ass); |
| 1910 | } |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 1911 | |
| 1912 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1913 | } |
| 1914 | |
| 1915 | testcase TC_egprs_pkt_chan_req_two_phase() runs on RAW_PCU_Test_CT { |
| 1916 | var template GsmRrMessage imm_ass; |
| 1917 | var template IaRestOctets rest; |
| 1918 | var template EgprsUlAss ul_ass; |
| 1919 | |
| 1920 | /* Initialize the PCU interface abstraction */ |
| 1921 | f_init_raw(testcasename()); |
| 1922 | |
| 1923 | var EGPRSPktChRequest req := { |
| 1924 | /* NOTE: other fields are set in the loop */ |
| 1925 | two_phase := { tag := '110000'B } |
| 1926 | }; |
| 1927 | |
| 1928 | for (var integer i := 0; i < 6; i := i + 1) { |
| 1929 | var BIT5 ext_ra := int2bit(f_rnd_int(32), 5); |
| 1930 | var BIT2 priority := substr(ext_ra, 0, 2); |
| 1931 | var BIT3 rand := substr(ext_ra, 2, 3); |
| 1932 | |
| 1933 | req.two_phase.priority := priority; |
| 1934 | req.two_phase.random_bits := rand; |
| 1935 | |
| 1936 | /* For two phase access, do we expect Multiblock UL TBF Assignment? */ |
| 1937 | ul_ass := tr_EgprsUlAssMultiblock(ext_ra := ext_ra); |
| 1938 | rest := tr_IaRestOctets_EGPRSULAss(ul_ass); |
| 1939 | imm_ass := tr_IMM_TBF_ASS(dl := false, rest := rest); |
| 1940 | |
| 1941 | f_TC_egprs_pkt_chan_req(req, imm_ass); |
| 1942 | } |
Vadim Yanitskiy | 91f8a09 | 2020-05-06 21:41:05 +0700 | [diff] [blame] | 1943 | |
| 1944 | f_shutdown(__BFILE__, __LINE__, final := true); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 1945 | } |
| 1946 | |
Vadim Yanitskiy | 4f56d32 | 2020-05-22 20:15:48 +0700 | [diff] [blame] | 1947 | private function f_TC_egprs_pkt_chan_req_reject(bitstring ra11, uint32_t fn, |
| 1948 | template IARRestOctets rest := ?, |
| 1949 | PCUIF_BurstType bt := BURST_TYPE_1) |
| 1950 | runs on RAW_PCU_Test_CT { |
| 1951 | var template ReqRefWaitInd tr_ref; |
| 1952 | var GsmRrMessage rr_msg; |
Vadim Yanitskiy | 4f56d32 | 2020-05-22 20:15:48 +0700 | [diff] [blame] | 1953 | |
| 1954 | /* Send RACH.ind with malformed EGPRS Packet Channel Request */ |
| 1955 | BTS.send(ts_PCUIF_RACH_IND(bts_nr := 0, trx_nr := 0, ts_nr := 0, |
| 1956 | ra := bit2int(ra11), is_11bit := 1, |
| 1957 | burst_type := bt, fn := fn, |
| 1958 | arfcn := 871)); |
| 1959 | |
| 1960 | /* Abuse f_pcuif_rx_imm_ass(): wait for Immediate Assignment Reject */ |
Vadim Yanitskiy | 7466c33 | 2020-05-28 20:41:19 +0700 | [diff] [blame] | 1961 | rr_msg := f_pcuif_rx_imm_ass(t_imm_ass := tr_IMM_ASS_REJ); |
Vadim Yanitskiy | 4f56d32 | 2020-05-22 20:15:48 +0700 | [diff] [blame] | 1962 | |
| 1963 | /* Just to have a short-name reference to the actual message */ |
| 1964 | var ImmediateAssignmentReject iar := rr_msg.payload.imm_ass_rej; |
| 1965 | |
| 1966 | /* Make sure that Request Reference list contains at least one entry |
| 1967 | * with our TDMA frame number, and RA is set to 'reserved' value 127. */ |
| 1968 | tr_ref := tr_ReqRefWaitInd(f_compute_ReqRef(127, fn)); |
| 1969 | if (not match(iar.payload, { *, tr_ref, * })) { |
| 1970 | setverdict(fail, "Request Reference list does not match"); |
| 1971 | f_shutdown(__BFILE__, __LINE__); |
| 1972 | } |
| 1973 | |
| 1974 | /* Match Feature Indicator (must indicate PS domain) */ |
| 1975 | if (not match(iar.feature_ind, FeatureIndicator:{?, false, true})) { |
| 1976 | setverdict(fail, "Feature Indicator does not match"); |
| 1977 | f_shutdown(__BFILE__, __LINE__); |
| 1978 | } |
| 1979 | |
| 1980 | /* Match IAR Rest Octets */ |
| 1981 | if (not match(iar.rest_octets, rest)) { |
| 1982 | setverdict(fail, "IAR Rest Octets does not match: ", |
| 1983 | iar.rest_octets, " vs expected ", rest); |
| 1984 | f_shutdown(__BFILE__, __LINE__); |
| 1985 | } |
| 1986 | |
| 1987 | setverdict(pass); |
| 1988 | } |
| 1989 | |
| 1990 | /* Verify the contents of RR Immediate Assignment Reject message and its |
| 1991 | * Rest Octets sent in response to EGPRS Packet Channel Request (11 bit). */ |
| 1992 | testcase TC_egprs_pkt_chan_req_reject_content() runs on RAW_PCU_Test_CT { |
| 1993 | var template IARRestOctets rest; |
| 1994 | var BIT5 ext_ra; |
| 1995 | |
| 1996 | /* Initialize the PCU interface abstraction */ |
| 1997 | f_init_raw(testcasename()); |
| 1998 | |
| 1999 | for (var integer i := 0; i < 6; i := i + 1) { |
| 2000 | ext_ra := int2bit(f_rnd_int(32), 5); /* 5 LSB's of RA11 */ |
| 2001 | rest := tr_IARRestOctets({ *, tr_ExtRAOpt(ext_ra), * }); |
| 2002 | |
| 2003 | /* Intentionally incorrect message (see table 11.2.5a.2) */ |
| 2004 | f_TC_egprs_pkt_chan_req_reject('111111'B & ext_ra, 1337 + i, rest); |
| 2005 | } |
| 2006 | |
| 2007 | f_shutdown(__BFILE__, __LINE__, final := true); |
| 2008 | } |
| 2009 | |
Vadim Yanitskiy | 7e06c25 | 2020-05-22 20:48:53 +0700 | [diff] [blame] | 2010 | /* At the moment, the IUT does not support any emergency services. Make sure |
| 2011 | * that EGPRS Packet Channel Request for an emergency call is properly rejected. */ |
| 2012 | testcase TC_egprs_pkt_chan_req_reject_emergency() runs on RAW_PCU_Test_CT { |
| 2013 | var template IARRestOctets rest; |
| 2014 | var BIT5 ext_ra; |
| 2015 | var BIT11 ra11; |
| 2016 | |
| 2017 | /* Initialize the PCU interface abstraction */ |
| 2018 | f_init_raw(testcasename()); |
| 2019 | |
| 2020 | var EGPRSPktChRequest req := { |
| 2021 | /* NOTE: other fields are set in the loop */ |
| 2022 | emergency := { tag := '110111'B } |
| 2023 | }; |
| 2024 | |
| 2025 | for (var integer i := 0; i < 6; i := i + 1) { |
| 2026 | ext_ra := int2bit(f_rnd_int(32), 5); /* 5 LSB's of RA11 */ |
| 2027 | rest := tr_IARRestOctets({ *, tr_ExtRAOpt(ext_ra), * }); |
| 2028 | |
| 2029 | req.emergency.random_bits := ext_ra; |
| 2030 | ra11 := enc_EGPRSPktChRequest2bits(req); |
| 2031 | |
| 2032 | /* Intentionally incorrect message (see table 11.2.5a.2) */ |
| 2033 | f_TC_egprs_pkt_chan_req_reject(ra11, 1337 + i, rest); |
| 2034 | } |
| 2035 | |
| 2036 | f_shutdown(__BFILE__, __LINE__, final := true); |
| 2037 | } |
| 2038 | |
Vadim Yanitskiy | c4324ff | 2020-05-22 21:53:58 +0700 | [diff] [blame] | 2039 | /* Make sure that IUT responds with RR Immediate Assignment Reject due to exhaustion. */ |
| 2040 | testcase TC_egprs_pkt_chan_req_reject_exhaustion() runs on RAW_PCU_Test_CT { |
| 2041 | var template IARRestOctets rest; |
| 2042 | var BIT11 ra11; |
| 2043 | |
| 2044 | /* Initialize the PCU interface abstraction */ |
| 2045 | f_init_raw(testcasename()); |
| 2046 | |
| 2047 | var EGPRSPktChRequest req := { |
| 2048 | one_phase := { |
| 2049 | tag := '0'B, |
| 2050 | multislot_class := '10101'B, |
| 2051 | priority := '01'B, |
| 2052 | random_bits := '101'B |
| 2053 | } |
| 2054 | }; |
| 2055 | |
| 2056 | /* We send 7 requests, the IUT gives us all available USFs (0..6). |
| 2057 | * TODO: make it configurable: usf_max := mp_pdch_ts_num * 7. */ |
| 2058 | for (var integer i := 0; i < 7; i := i + 1) { |
| 2059 | req.one_phase.random_bits := int2bit(f_rnd_int(8), 3); |
| 2060 | f_TC_egprs_pkt_chan_req(req, tr_IMM_TBF_ASS); |
| 2061 | } |
| 2062 | |
| 2063 | ra11 := enc_EGPRSPktChRequest2bits(req); |
| 2064 | rest := tr_IARRestOctets({ *, tr_ExtRAOpt(substr(ra11, 6, 5)), * }); |
| 2065 | |
| 2066 | /* At this point, the IUT should run out of free USFs */ |
| 2067 | f_TC_egprs_pkt_chan_req_reject(ra11, 1870, rest); |
| 2068 | |
| 2069 | f_shutdown(__BFILE__, __LINE__, final := true); |
| 2070 | } |
| 2071 | |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 2072 | control { |
| 2073 | execute( TC_pcuif_suspend() ); |
| 2074 | execute( TC_ta_ptcch_idle() ); |
| 2075 | execute( TC_ta_rach_imm_ass() ); |
| 2076 | execute( TC_ta_idle_dl_tbf_ass() ); |
| 2077 | execute( TC_ta_ptcch_ul_multi_tbf() ); |
| 2078 | execute( TC_cs_lqual_ul_tbf() ); |
| 2079 | execute( TC_cs_initial_ul() ); |
| 2080 | execute( TC_cs_max_ul() ); |
| 2081 | execute( TC_t3169() ); |
| 2082 | execute( TC_t3193() ); |
Pau Espin Pedrol | 487d634 | 2020-05-14 19:22:33 +0200 | [diff] [blame] | 2083 | execute( TC_countdown_procedure() ); |
Pau Espin Pedrol | fb2301e | 2020-06-30 20:46:54 +0200 | [diff] [blame] | 2084 | execute( TC_ul_all_sizes() ); |
Pau Espin Pedrol | 5e6844d | 2020-07-01 17:24:02 +0200 | [diff] [blame] | 2085 | execute( TC_ul_data_toolong_fills_padding() ); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 2086 | execute( TC_mo_ping_pong() ); |
| 2087 | execute( TC_mo_ping_pong_with_ul_racap() ); |
Pau Espin Pedrol | 0c0bf87 | 2020-05-14 15:50:49 +0200 | [diff] [blame] | 2088 | execute( TC_force_two_phase_access() ); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 2089 | execute( TC_mt_ping_pong() ); |
| 2090 | execute( TC_mt_ping_pong_with_dl_racap() ); |
Pau Espin Pedrol | e1195bb | 2020-07-07 13:27:18 +0200 | [diff] [blame] | 2091 | execute( TC_ul_intermediate_retrans() ); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 2092 | execute( TC_imm_ass_dl_block_retrans() ); |
Vadim Yanitskiy | 71238c1 | 2020-05-11 03:48:06 +0700 | [diff] [blame] | 2093 | execute( TC_dl_flow_more_blocks() ); |
Pau Espin Pedrol | e1195bb | 2020-07-07 13:27:18 +0200 | [diff] [blame] | 2094 | execute( TC_ul_flow_multiple_llc_blocks() ); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 2095 | execute( TC_paging_cs_from_bts() ); |
| 2096 | execute( TC_paging_cs_from_sgsn_sign_ptmsi() ); |
| 2097 | execute( TC_paging_cs_from_sgsn_sign() ); |
| 2098 | execute( TC_paging_cs_from_sgsn_ptp() ); |
| 2099 | execute( TC_paging_ps_from_sgsn_sign_ptmsi() ); |
| 2100 | execute( TC_paging_ps_from_sgsn_sign() ); |
| 2101 | execute( TC_paging_ps_from_sgsn_ptp() ); |
| 2102 | |
| 2103 | /* EGPRS specific test cases */ |
| 2104 | execute( TC_egprs_pkt_chan_req_signalling() ); |
| 2105 | execute( TC_egprs_pkt_chan_req_one_phase() ); |
| 2106 | execute( TC_egprs_pkt_chan_req_two_phase() ); |
Vadim Yanitskiy | 4f56d32 | 2020-05-22 20:15:48 +0700 | [diff] [blame] | 2107 | execute( TC_egprs_pkt_chan_req_reject_content() ); |
Vadim Yanitskiy | 7e06c25 | 2020-05-22 20:48:53 +0700 | [diff] [blame] | 2108 | execute( TC_egprs_pkt_chan_req_reject_emergency() ); |
Vadim Yanitskiy | c4324ff | 2020-05-22 21:53:58 +0700 | [diff] [blame] | 2109 | execute( TC_egprs_pkt_chan_req_reject_exhaustion() ); |
Pau Espin Pedrol | 42acafc | 2020-05-14 15:18:38 +0200 | [diff] [blame] | 2110 | |
| 2111 | execute( TC_mo_ping_pong_with_ul_racap_egprs_only() ); |
Pau Espin Pedrol | 8dd59fb | 2020-04-29 15:08:16 +0200 | [diff] [blame] | 2112 | } |
| 2113 | |
| 2114 | |
| 2115 | |
| 2116 | |
| 2117 | |
| 2118 | |
Harald Welte | a419df2 | 2019-03-21 17:23:04 +0100 | [diff] [blame] | 2119 | } |