Harald Welte | 023b61b | 2020-09-12 20:41:05 +0200 | [diff] [blame] | 1 | module FR_Tests { |
| 2 | |
| 3 | import from General_Types all; |
| 4 | import from Osmocom_Types all; |
| 5 | import from Osmocom_Gb_Types all; |
| 6 | |
| 7 | import from NS_Emulation all; |
| 8 | import from BSSGP_Emulation all; |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 9 | import from LLC_Templates all; |
Harald Welte | 023b61b | 2020-09-12 20:41:05 +0200 | [diff] [blame] | 10 | |
| 11 | modulepar { |
Harald Welte | f1f23bf | 2021-02-03 18:08:29 +0100 | [diff] [blame] | 12 | /* number of BVCs to bring up in one Gb instance */ |
Harald Welte | de6f3ee | 2020-11-11 19:01:46 +0100 | [diff] [blame] | 13 | integer mp_num_bvc := 10; |
Harald Welte | f1f23bf | 2021-02-03 18:08:29 +0100 | [diff] [blame] | 14 | /* number of UEs to start in each PTP BVC */ |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 15 | integer mp_num_ue_in_bvc := 10; |
Harald Welte | f1f23bf | 2021-02-03 18:08:29 +0100 | [diff] [blame] | 16 | /* NS configurations; one per NSE; each with any number of NSVC */ |
Harald Welte | 023b61b | 2020-09-12 20:41:05 +0200 | [diff] [blame] | 17 | NSConfigurations mp_nsconfig := { |
| 18 | { |
Harald Welte | 023b61b | 2020-09-12 20:41:05 +0200 | [diff] [blame] | 19 | nsei := 123, |
| 20 | role_sgsn := false, |
Harald Welte | 90f1974 | 2020-11-06 19:34:40 +0100 | [diff] [blame] | 21 | handle_sns := false, |
| 22 | nsvc := { |
| 23 | { |
| 24 | provider := { |
| 25 | fr := { |
| 26 | netdev := "hdlc1", |
Harald Welte | bfff717 | 2021-02-04 10:46:55 +0100 | [diff] [blame] | 27 | dlci := 1 |
Harald Welte | 90f1974 | 2020-11-06 19:34:40 +0100 | [diff] [blame] | 28 | } |
| 29 | }, |
Harald Welte | bfff717 | 2021-02-04 10:46:55 +0100 | [diff] [blame] | 30 | nsvci := 101 |
| 31 | }, { |
| 32 | provider := { |
| 33 | fr := { |
| 34 | netdev := "hdlc2", |
| 35 | dlci := 2 |
| 36 | } |
| 37 | }, |
| 38 | nsvci := 102 |
| 39 | }, { |
| 40 | provider := { |
| 41 | fr := { |
| 42 | netdev := "hdlc3", |
| 43 | dlci := 3 |
| 44 | } |
| 45 | }, |
| 46 | nsvci := 103 |
| 47 | }, { |
| 48 | provider := { |
| 49 | fr := { |
| 50 | netdev := "hdlc4", |
| 51 | dlci := 4 |
| 52 | } |
| 53 | }, |
| 54 | nsvci := 104 |
Harald Welte | 90f1974 | 2020-11-06 19:34:40 +0100 | [diff] [blame] | 55 | } |
| 56 | } |
Harald Welte | 023b61b | 2020-09-12 20:41:05 +0200 | [diff] [blame] | 57 | } |
| 58 | }; |
| 59 | } |
| 60 | |
| 61 | type record GbInstance { |
| 62 | NS_CT vc_NS, |
| 63 | BSSGP_CT vc_BSSGP, |
| 64 | BssgpConfig cfg |
| 65 | }; |
| 66 | |
Harald Welte | de6f3ee | 2020-11-11 19:01:46 +0100 | [diff] [blame] | 67 | type record of GbInstance GbInstances; |
| 68 | type record of NSConfiguration NSConfigurations; |
| 69 | type record of BssgpCellId BssgpCellIds; |
Harald Welte | 023b61b | 2020-09-12 20:41:05 +0200 | [diff] [blame] | 70 | |
| 71 | |
| 72 | type component test_CT { |
| 73 | var GbInstances g_gb; |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 74 | port BSSGP_CT_PROC_PT BSSGP_PROC[16]; |
Harald Welte | 023b61b | 2020-09-12 20:41:05 +0200 | [diff] [blame] | 75 | }; |
| 76 | |
Harald Welte | f1f23bf | 2021-02-03 18:08:29 +0100 | [diff] [blame] | 77 | /* initialize one Gb interface */ |
Harald Welte | 023b61b | 2020-09-12 20:41:05 +0200 | [diff] [blame] | 78 | private function f_init_gb(inout GbInstance gb, charstring id, integer offset) runs on test_CT { |
| 79 | var charstring id_idx := id & int2str(offset); |
| 80 | gb.vc_NS := NS_CT.create(id_idx & "-NSemu"); |
| 81 | gb.vc_BSSGP := BSSGP_CT.create(id_idx & "-BSSGPemu"); |
| 82 | connect(gb.vc_BSSGP:BSCP, gb.vc_NS:NS_SP); |
| 83 | gb.vc_NS.start(NSStart(mp_nsconfig[offset], id_idx)); |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 84 | connect(self:BSSGP_PROC[offset], gb.vc_BSSGP:PROC); |
Harald Welte | 023b61b | 2020-09-12 20:41:05 +0200 | [diff] [blame] | 85 | gb.vc_BSSGP.start(BssgpStart(gb.cfg, testcasename())); |
| 86 | } |
| 87 | |
Harald Welte | f1f23bf | 2021-02-03 18:08:29 +0100 | [diff] [blame] | 88 | /* generate a BVC dynamically, using distinct number ranges for BVCI, CID, LAC, ... */ |
| 89 | private function f_gen_bvc(integer base, integer idx) return BssgpBvcConfig { |
Harald Welte | de6f3ee | 2020-11-11 19:01:46 +0100 | [diff] [blame] | 90 | var BssgpBvcConfig bvc := { |
| 91 | bvci := base + 100 + idx, |
| 92 | cell_id := { |
| 93 | ra_id := { |
| 94 | lai := { |
| 95 | mcc_mnc := '262F42'H, |
| 96 | lac := base + 300 + idx |
Harald Welte | 023b61b | 2020-09-12 20:41:05 +0200 | [diff] [blame] | 97 | }, |
Harald Welte | de6f3ee | 2020-11-11 19:01:46 +0100 | [diff] [blame] | 98 | rac := 1 |
| 99 | }, |
| 100 | cell_id := base + 600 + idx |
| 101 | }, |
Harald Welte | 4d112c9 | 2020-11-12 19:48:31 +0100 | [diff] [blame] | 102 | depth := BSSGP_DECODE_DEPTH_LLC, |
| 103 | create_cb := refers(BSSGP_Emulation.DefaultCreateCallback) |
Harald Welte | 023b61b | 2020-09-12 20:41:05 +0200 | [diff] [blame] | 104 | }; |
Harald Welte | de6f3ee | 2020-11-11 19:01:46 +0100 | [diff] [blame] | 105 | return bvc; |
| 106 | } |
| 107 | |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 108 | /*********************************************************************** |
| 109 | * UE simulation component |
| 110 | ***********************************************************************/ |
| 111 | |
| 112 | type component UE_CT extends BSSGP_Client_CT { |
| 113 | var UE_Pars g_pars; |
| 114 | timer g_Tguard; |
| 115 | var LLC_Entities llc; |
| 116 | } |
Harald Welte | 056858a | 2021-01-28 18:44:53 +0100 | [diff] [blame] | 117 | type record of UE_CT ro_ue; |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 118 | |
| 119 | type record UE_Pars { |
| 120 | hexstring imsi, |
Harald Welte | 681949b | 2021-01-28 18:49:42 +0100 | [diff] [blame] | 121 | OCT4 tlli, |
Harald Welte | 8525764 | 2021-02-04 13:19:58 +0100 | [diff] [blame^] | 122 | float tguard, |
| 123 | BssgpBvci bvci, |
| 124 | BssgpCellId cell_id |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 125 | }; |
| 126 | |
| 127 | type function void_fn(charstring id) runs on UE_CT; |
| 128 | |
Harald Welte | 681949b | 2021-01-28 18:49:42 +0100 | [diff] [blame] | 129 | private altstep as_ue_tguard() runs on UE_CT { |
| 130 | [] g_Tguard.timeout { |
| 131 | setverdict(fail, "Tguard timeout after ", g_pars.tguard); |
| 132 | self.stop; |
| 133 | } |
| 134 | } |
| 135 | |
Harald Welte | f1f23bf | 2021-02-03 18:08:29 +0100 | [diff] [blame] | 136 | /* first function executed in UE_CT; creates LLC context, registers with BSSGP, starts Tguard */ |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 137 | function f_handler_init(void_fn fn, charstring id, UE_Pars pars) runs on UE_CT { |
| 138 | g_pars := pars; |
| 139 | llc := f_llc_create(false); |
| 140 | f_bssgp_client_register(g_pars.imsi, g_pars.tlli); |
Harald Welte | 681949b | 2021-01-28 18:49:42 +0100 | [diff] [blame] | 141 | g_Tguard.start(g_pars.tguard); |
| 142 | activate(as_ue_tguard()); |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 143 | |
Harald Welte | 02cdc7c | 2021-02-03 17:46:38 +0100 | [diff] [blame] | 144 | log(id, " Waiting for BVC-UNBLOCK"); |
| 145 | timer T := 15.0; |
| 146 | T.start; |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 147 | alt { |
| 148 | [] BSSGP[0].receive(BssgpStatusIndication:{*,?,BVC_S_UNBLOCKED}) { } |
| 149 | [] BSSGP[0].receive { repeat; } |
Harald Welte | 02cdc7c | 2021-02-03 17:46:38 +0100 | [diff] [blame] | 150 | [] T.timeout { |
| 151 | setverdict(fail, id, " Timeout waiting for BVC-UNBLOCK"); |
| 152 | self.stop; |
| 153 | } |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 154 | } |
| 155 | |
Harald Welte | 02cdc7c | 2021-02-03 17:46:38 +0100 | [diff] [blame] | 156 | log (id, " Entering main loop"); |
Harald Welte | f1f23bf | 2021-02-03 18:08:29 +0100 | [diff] [blame] | 157 | fn.apply(id); |
Harald Welte | 02cdc7c | 2021-02-03 17:46:38 +0100 | [diff] [blame] | 158 | log (id, "Leaving main loop"); |
Harald Welte | f1f23bf | 2021-02-03 18:08:29 +0100 | [diff] [blame] | 159 | f_bssgp_client_unregister(g_pars.imsi); |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 160 | } |
| 161 | |
Harald Welte | f1f23bf | 2021-02-03 18:08:29 +0100 | [diff] [blame] | 162 | /* start a single UE component; connect it to BSSGP */ |
Harald Welte | 8525764 | 2021-02-04 13:19:58 +0100 | [diff] [blame^] | 163 | function f_start_ue(void_fn fn, charstring id, BssgpBvcConfig bvc, integer imsi_suffix, BSSGP_BVC_CT bvc_comp, float t_guard := 40.0) |
Harald Welte | 056858a | 2021-01-28 18:44:53 +0100 | [diff] [blame] | 164 | runs on test_CT return UE_CT |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 165 | { |
| 166 | var UE_CT ue_comp; |
| 167 | var UE_Pars ue_pars := { |
| 168 | imsi := f_gen_imsi(imsi_suffix), |
Harald Welte | 681949b | 2021-01-28 18:49:42 +0100 | [diff] [blame] | 169 | tlli := f_gprs_tlli_random(), |
Harald Welte | 8525764 | 2021-02-04 13:19:58 +0100 | [diff] [blame^] | 170 | tguard := t_guard, |
| 171 | bvci := bvc.bvci, |
| 172 | cell_id := bvc.cell_id |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 173 | }; |
| 174 | |
| 175 | ue_comp := UE_CT.create(id); |
| 176 | connect(ue_comp:BSSGP[0], bvc_comp:BSSGP_SP); |
| 177 | connect(ue_comp:BSSGP_SIG[0], bvc_comp:BSSGP_SP_SIG); |
| 178 | connect(ue_comp:BSSGP_PROC[0], bvc_comp:BSSGP_PROC); |
| 179 | ue_comp.start(f_handler_init(fn, id, ue_pars)); |
Harald Welte | 056858a | 2021-01-28 18:44:53 +0100 | [diff] [blame] | 180 | |
| 181 | return ue_comp; |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 182 | } |
| 183 | |
Harald Welte | de6f3ee | 2020-11-11 19:01:46 +0100 | [diff] [blame] | 184 | |
Harald Welte | f1f23bf | 2021-02-03 18:08:29 +0100 | [diff] [blame] | 185 | /* main test case body function; start Gb instances, start UE_CTs on top; wait for termination */ |
| 186 | private function f_tc_body(void_fn ue_fn, integer ue_per_bvc := mp_num_ue_in_bvc, |
| 187 | float delay_between_ue := 0.005, float ue_tguard := 40.0) runs on test_CT { |
Harald Welte | 056858a | 2021-01-28 18:44:53 +0100 | [diff] [blame] | 188 | var ro_ue ues := {}; |
Harald Welte | de6f3ee | 2020-11-11 19:01:46 +0100 | [diff] [blame] | 189 | |
| 190 | for (var integer i := 0; i < lengthof(mp_nsconfig); i := i+1) { |
| 191 | g_gb[i].cfg := { |
| 192 | nsei := mp_nsconfig[i].nsei, |
| 193 | sgsn_role := false, |
| 194 | bvc := { } |
| 195 | }; |
| 196 | /* create 'mp_num_bvc' number of BVCs */ |
| 197 | for (var integer j := 0; j < mp_num_bvc; j := j+1) { |
| 198 | g_gb[i].cfg.bvc := g_gb[i].cfg.bvc & { f_gen_bvc(i * 1000, j) }; |
| 199 | } |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 200 | log("Initializing Gb interface ", i, ": NSEI=", g_gb[i].cfg.nsei); |
Harald Welte | de6f3ee | 2020-11-11 19:01:46 +0100 | [diff] [blame] | 201 | f_init_gb(g_gb[i], "gb", i); |
| 202 | } |
Harald Welte | 056858a | 2021-01-28 18:44:53 +0100 | [diff] [blame] | 203 | |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 204 | for (var integer i := 0; i < lengthof(mp_nsconfig); i := i+1) { |
| 205 | for (var integer j := 0; j < mp_num_bvc; j := j+1) { |
| 206 | var BSSGP_BVC_CT bvc_comp := f_bssgp_get_bvci_ct(g_gb[i].cfg.bvc[j].bvci, BSSGP_PROC[i]); |
Harald Welte | f1f23bf | 2021-02-03 18:08:29 +0100 | [diff] [blame] | 207 | for (var integer k := 0; k < ue_per_bvc; k := k+1) { |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 208 | var charstring id := "gb" & int2str(i) & "-bvc" & int2str(g_gb[i].cfg.bvc[j].bvci) & "-UEsim" & int2str(k); |
Harald Welte | 056858a | 2021-01-28 18:44:53 +0100 | [diff] [blame] | 209 | var UE_CT ue; |
Harald Welte | 8525764 | 2021-02-04 13:19:58 +0100 | [diff] [blame^] | 210 | ue := f_start_ue(ue_fn, id, g_gb[i].cfg.bvc[j], i*10000+j*100+k, bvc_comp, |
Harald Welte | f1f23bf | 2021-02-03 18:08:29 +0100 | [diff] [blame] | 211 | ue_tguard); |
Harald Welte | 056858a | 2021-01-28 18:44:53 +0100 | [diff] [blame] | 212 | ues := ues & { ue }; |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 213 | /* a bit of staggering to ensure the timers above don't run all at the same time */ |
Harald Welte | f1f23bf | 2021-02-03 18:08:29 +0100 | [diff] [blame] | 214 | f_sleep(delay_between_ue); |
Harald Welte | 5e78788 | 2021-02-03 17:44:13 +0100 | [diff] [blame] | 215 | /* FIXME: as the BSSGP emulation is already running, we must not |
| 216 | * take too long to start the UE components. If we do, the |
| 217 | * BVC_S_UNBLOCKED notification will arrive before the components |
| 218 | * all are running, meaning we never get that one :( */ |
Harald Welte | d6de984 | 2020-11-12 21:50:10 +0100 | [diff] [blame] | 219 | } |
| 220 | } |
| 221 | } |
Harald Welte | 056858a | 2021-01-28 18:44:53 +0100 | [diff] [blame] | 222 | |
| 223 | /* wait for all UE components to terminate */ |
| 224 | for (var integer i := 0; i < lengthof(ues); i := i + 1) { |
| 225 | ues[i].done; |
Harald Welte | 023b61b | 2020-09-12 20:41:05 +0200 | [diff] [blame] | 226 | } |
Harald Welte | 056858a | 2021-01-28 18:44:53 +0100 | [diff] [blame] | 227 | setverdict(pass); |
Harald Welte | 023b61b | 2020-09-12 20:41:05 +0200 | [diff] [blame] | 228 | } |
| 229 | |
Harald Welte | f1f23bf | 2021-02-03 18:08:29 +0100 | [diff] [blame] | 230 | private function f_ul_ud(charstring id) runs on UE_CT |
| 231 | { |
| 232 | for (var integer num_pkts := 0; num_pkts < 50; num_pkts := num_pkts + 1) { |
| 233 | var integer ran_index := 0; |
| 234 | //BSSGP[ran_index].send(ts_BSSGP_UL_UD(g_pars.tlli, g_pars.bssgp_cell_id[ran_index], llc_enc)); |
| 235 | BSSGP[ran_index].send(ts_LLC_UI(f_rnd_octstring(512), '0000'B, '1'B, 0)) |
| 236 | f_sleep(0.5); |
| 237 | /* 512 bytes + 32 bytes HDR every 0.5s (1088/s) means about 8704/s per UE */ |
| 238 | /* at 100 UE that ends up about 870 kBps */ |
| 239 | } |
| 240 | } |
| 241 | /* Generate uplink-unitdata traffic */ |
| 242 | testcase TC_ul_ud() runs on test_CT |
| 243 | { |
| 244 | f_tc_body(refers(f_ul_ud)); |
| 245 | } |
| 246 | |
| 247 | |
Harald Welte | 106ba34 | 2021-02-03 18:15:19 +0100 | [diff] [blame] | 248 | /* test bring-up of all BVCs */ |
| 249 | private function f_pass(charstring id) runs on UE_CT |
| 250 | { |
| 251 | setverdict(pass); |
| 252 | } |
| 253 | testcase TC_bvc_bringup() runs on test_CT |
| 254 | { |
| 255 | f_tc_body(refers(f_pass), ue_per_bvc := 1, ue_tguard := 20.0); |
| 256 | } |
| 257 | |
| 258 | |
Harald Welte | 023b61b | 2020-09-12 20:41:05 +0200 | [diff] [blame] | 259 | control { |
Harald Welte | 106ba34 | 2021-02-03 18:15:19 +0100 | [diff] [blame] | 260 | execute( TC_bvc_bringup() ); |
Harald Welte | f1f23bf | 2021-02-03 18:08:29 +0100 | [diff] [blame] | 261 | execute( TC_ul_ud() ); |
Harald Welte | 023b61b | 2020-09-12 20:41:05 +0200 | [diff] [blame] | 262 | } |
| 263 | |
| 264 | } |