Pau Espin Pedrol | 0e6ed2e | 2020-04-29 14:33:13 +0200 | [diff] [blame] | 1 | module PCU_selftest { |
| 2 | /* |
| 3 | * Osmocom PCU test suite in TTCN-3, selftest procedures |
| 4 | * (C) 2018-2019 Harald Welte <laforge@gnumonks.org> |
| 5 | * (C) 2020 by sysmocom s.f.m.c. GmbH <info@sysmocom.de> |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Released under the terms of GNU General Public License, Version 2 or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 12 | */ |
| 13 | |
| 14 | import from BSSGP_Types all; |
| 15 | import from BSSGP_Emulation all; |
| 16 | import from NS_Types all; |
| 17 | import from NS_Emulation all; |
| 18 | import from GPRS_Context all; |
| 19 | import from Osmocom_Gb_Types all; |
Pau Espin Pedrol | 2456dad | 2020-04-30 20:22:38 +0200 | [diff] [blame] | 20 | import from Osmocom_Types all; |
Pau Espin Pedrol | 0e6ed2e | 2020-04-29 14:33:13 +0200 | [diff] [blame] | 21 | import from LLC_Types all; |
| 22 | import from LLC_Templates all; |
| 23 | import from L3_Templates all; |
| 24 | import from GSM_RR_Types all; |
Pau Espin Pedrol | 0e6ed2e | 2020-04-29 14:33:13 +0200 | [diff] [blame] | 25 | import from RLCMAC_CSN1_Types all; |
Pau Espin Pedrol | 2456dad | 2020-04-30 20:22:38 +0200 | [diff] [blame] | 26 | import from RLCMAC_Types all; |
| 27 | import from RLCMAC_Templates all; |
Pau Espin Pedrol | aedc511 | 2020-05-16 17:30:42 +0200 | [diff] [blame] | 28 | import from GPRS_Components all; |
Pau Espin Pedrol | 2456dad | 2020-04-30 20:22:38 +0200 | [diff] [blame] | 29 | import from PCU_Tests all; |
Pau Espin Pedrol | 0e6ed2e | 2020-04-29 14:33:13 +0200 | [diff] [blame] | 30 | |
| 31 | type component dummy_CT extends BSSGP_Client_CT { |
| 32 | var NS_CT ns_component; |
| 33 | var BSSGP_CT bssgp_component; |
| 34 | |
| 35 | var MmContext g_mmctx := { |
| 36 | tlli := 'FFFFFFFF'O, |
| 37 | n_u := 0 |
| 38 | }; |
| 39 | |
| 40 | var boolean g_initialized := false; |
| 41 | } |
| 42 | |
| 43 | |
| 44 | /////////////////// |
| 45 | // BSSGP selftest |
| 46 | /////////////////// |
| 47 | function f_bssgp_dec_and_log(in octetstring inp) { |
| 48 | log("BSSGP Input: ", inp); |
| 49 | var PDU_BSSGP dec := dec_PDU_BSSGP(inp); |
| 50 | log("BSSGP Decoded: ", dec); |
| 51 | } |
| 52 | |
| 53 | testcase TC_selftest_bssgp() runs on dummy_CT { |
| 54 | const octetstring c_bvc_reset_pcu := '2204820000078108088832f44000c80051e0'O; |
| 55 | const octetstring c_bvc_reset_q := '2204820000078100'O; |
| 56 | const octetstring c_status_pcu := '4107810515882204820000078103'O; |
| 57 | const octetstring c_reset_ack_q := '2304820000'O; |
| 58 | const octetstring c_reset_ack_pcu := '23048200c4'O; |
| 59 | const octetstring c_unblock_pcu := '24048200c4'O; |
| 60 | const octetstring c_unblock_ack_q := '25048200c4'O; |
| 61 | const octetstring c_fc_bvc_pcu := '261e8101058200fa038200c8018200fa1c8200c806820000'O; |
| 62 | const octetstring c_fc_bvc_ack_q := '271e8101'O; |
| 63 | const octetstring c_gmm_mo_att_req := '01bb146ddd000004088832f44000c80051e000800e003b01c001080103e5e000110a0005f4fb146ddd32f44000c8001d1b53432b37159ef9090070000dd9c6321200e00019b32c642401c0002017057bf0ec'O; |
| 64 | const octetstring c_gmm_mt_ac_req := '00bb146ddd0050001682ffff0a8204030e9c41c001081200102198c72477ea104895e8b959acc58b108182f4d045'O; |
| 65 | const octetstring c_gmm_mo_ac_resp := '01bb146ddd000004088832f44000c80051e000800e000e01c00508130122fa361f5fdd623d'O; |
| 66 | const octetstring c_gmm_mt_att_acc := '00bb146ddd0050001682ffff0a8204030e9841c005080201340432f44000c8001805f4fb146ddd0967d0'O; |
| 67 | const octetstring c_gmm_mt_det_req := '00bb146ddd0050001682ffff0a8204030e8941c00908050215f0b6'O; |
| 68 | const octetstring c_gmm_mo_att_cpl := '01fb146ddd000004088832f44000c80051e000800e000801c009080339d7bc'O; |
| 69 | |
| 70 | f_bssgp_dec_and_log(c_bvc_reset_pcu); |
| 71 | f_bssgp_dec_and_log(c_bvc_reset_q); |
| 72 | f_bssgp_dec_and_log(c_status_pcu); |
| 73 | f_bssgp_dec_and_log(c_reset_ack_q); |
| 74 | f_bssgp_dec_and_log(c_reset_ack_pcu); |
| 75 | f_bssgp_dec_and_log(c_unblock_pcu); |
| 76 | f_bssgp_dec_and_log(c_unblock_ack_q); |
| 77 | f_bssgp_dec_and_log(c_fc_bvc_pcu); |
| 78 | f_bssgp_dec_and_log(c_fc_bvc_ack_q); |
| 79 | f_bssgp_dec_and_log(c_gmm_mo_att_req); |
| 80 | f_bssgp_dec_and_log(c_gmm_mt_ac_req); |
| 81 | f_bssgp_dec_and_log(c_gmm_mo_ac_resp); |
| 82 | f_bssgp_dec_and_log(c_gmm_mt_att_acc); |
| 83 | f_bssgp_dec_and_log(c_gmm_mt_det_req); |
| 84 | f_bssgp_dec_and_log(c_gmm_mo_att_cpl); |
| 85 | |
| 86 | log(ts_BSSGP_PS_PAGING_IMSI(196, '262420123456789'H)); |
| 87 | } |
| 88 | |
| 89 | ///////////////// |
| 90 | // NS selftest |
| 91 | ///////////////// |
| 92 | function f_ns_assert_prepr(in octetstring a, in octetstring b) { |
| 93 | log("NS Input: ", a); |
| 94 | log("NS Expected: ", b); |
| 95 | |
| 96 | if (a != b) { |
| 97 | setverdict(fail, "Values mismatch", a, b); |
| 98 | mtc.stop; |
| 99 | } else { |
| 100 | setverdict(pass); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | function f_ns_dec_and_log(in octetstring inp) { |
| 105 | log("NS Input: ", inp); |
| 106 | var PDU_NS dec := dec_PDU_NS(inp); |
| 107 | log("NS Decoded: ", dec); |
| 108 | } |
| 109 | |
| 110 | testcase TC_selftest_ns() runs on dummy_CT { |
| 111 | const octetstring c_ns_reset_pcu := '000000c4271e813d'O; |
| 112 | |
| 113 | /* single byte length to two byte length */ |
| 114 | f_ns_assert_prepr('04058101'O, '0405000101'O); |
| 115 | f_ns_assert_prepr('040589000102030405060708'O, '04050009000102030405060708'O); |
| 116 | /* two byte length to two byte length */ |
| 117 | f_ns_assert_prepr('0405000101'O, '0405000101'O); |
| 118 | /* special case: NS-UNITDATA */ |
| 119 | f_ns_assert_prepr('00aabbccddeeffaa29822342'O, '00aabbccddeeffaa2900022342'O); |
| 120 | /* multiple TLVs */ |
| 121 | f_ns_assert_prepr('234281aa4382bbbb'O, '23420001aa430002bbbb'O); |
| 122 | /* zero-length */ |
| 123 | f_ns_assert_prepr('230080'O, '23000000'O); |
| 124 | |
| 125 | f_ns_dec_and_log(c_ns_reset_pcu); |
| 126 | } |
| 127 | |
| 128 | ///////////////// |
| 129 | // LLC selftest |
| 130 | ///////////////// |
| 131 | function f_llc_dec_and_log(in octetstring inp) { |
| 132 | log("LLC Input: ", inp); |
| 133 | var PDU_LLC dec := dec_PDU_LLC(inp); |
| 134 | log("LLC Decoded: ", dec); |
| 135 | } |
| 136 | |
| 137 | function f_llc_assert(in octetstring a, in octetstring b) { |
| 138 | log("LLC Input: ", a); |
| 139 | log("LLC Expected: ", b); |
| 140 | |
| 141 | if (a != b) { |
| 142 | setverdict(fail, "LLC input ", b, " != expected ", a); |
| 143 | mtc.stop; |
| 144 | } else { |
| 145 | setverdict(pass); |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | testcase TC_selftest_llc() runs on dummy_CT { |
| 150 | const octetstring c_gmm_att_pcu := '01c001080103e5e000210a0005f4fb146ddd32f44000c8001d1b53432b37159ef9090070000dd9c6321200e00019b32c642401c00020170580460b'O; |
| 151 | const octetstring c_gmm_att_pcu_nofcs := '01c001080103e5e000210a0005f4fb146ddd32f44000c8001d1b53432b37159ef9090070000dd9c6321200e00019b32c642401c000201705'O; |
| 152 | const octetstring gmm_auth_req := '081200102198c72477ea104895e8b959acc58b108182'O; |
| 153 | |
| 154 | f_llc_dec_and_log(c_gmm_att_pcu); |
| 155 | |
| 156 | //f_llc_assert(f_LLC_append_fcs(c_gmm_att_pcu_nofcs), c_gmm_att_pcu); |
| 157 | |
| 158 | log(valueof(ts_LLC_UI(gmm_auth_req, c_LLC_SAPI_LLGMM, LLC_CR_DL_CMD, g_mmctx.n_u))); |
| 159 | log(ts_LLC_UI(gmm_auth_req, c_LLC_SAPI_LLGMM, LLC_CR_DL_CMD, g_mmctx.n_u)); |
| 160 | } |
| 161 | |
| 162 | |
| 163 | /////////////////// |
| 164 | // RLCMAC selftest |
| 165 | /////////////////// |
| 166 | |
| 167 | function f_rlcmac_ul_decenc(in octetstring buf) { |
| 168 | log("=================================="); |
| 169 | log("In: ", buf); |
| 170 | var RlcmacUlBlock udb := dec_RlcmacUlBlock(buf); |
| 171 | log("Dec: ", udb); |
| 172 | var octetstring enc := enc_RlcmacUlBlock(udb); |
| 173 | log("Enc: ", enc); |
| 174 | if (enc != buf) { |
| 175 | setverdict(fail, "Re-encoded data doesn't equal input data"); |
| 176 | mtc.stop; |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | function f_rlcmac_uld_decenc(in octetstring buf) { |
| 181 | log("=================================="); |
| 182 | log("In: ", buf); |
| 183 | var RlcmacUlDataBlock udb := dec_RlcmacUlDataBlock(buf); |
| 184 | log("Dec: ", udb); |
| 185 | var octetstring enc := enc_RlcmacUlDataBlock(udb); |
| 186 | log("Enc: ", enc); |
| 187 | if (enc != buf) { |
| 188 | setverdict(fail, "Re-encoded data doesn't equal input data"); |
| 189 | mtc.stop; |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | function f_rlcmac_dld_decenc(in octetstring buf) { |
| 194 | log("=================================="); |
| 195 | log("In: ", buf); |
| 196 | var RlcmacDlDataBlock udb := dec_RlcmacDlDataBlock(buf); |
| 197 | log("Dec: ", udb); |
| 198 | var octetstring enc := enc_RlcmacDlDataBlock(udb); |
| 199 | log("Enc: ", enc); |
| 200 | if (enc != buf) { |
| 201 | setverdict(fail, "Re-encoded data doesn't equal input data"); |
| 202 | mtc.stop; |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | testcase TC_selftest_rlcmac() runs on dummy_CT { |
| 207 | const octetstring c_gmm_att_pcu := '402400804000000000000000'O; |
| 208 | |
| 209 | var RlcmacDlCtrlBlock dcb; |
| 210 | var RlcmacUlCtrlBlock ucb; |
| 211 | |
| 212 | // Some octstrings are concatenated to avoid Atom editor hanging: https://github.com/karolwiniarski/language-ttcn-3/issues/3 |
| 213 | const octetstring c_dl_ul_ack_nack := '402400804000000000000000'O & '77628dbba14b2b2b2b2b2b'O; |
| 214 | const octetstring c_dl_data := '0f00007341c001081200102198c72477ea104895e8b959acc58b108182f4d0454300'O; |
| 215 | const octetstring c_dl_data2 := '070002165dc0012b2b2b43c0012b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b00'O; |
| 216 | const octetstring c_ul_ctrl_ack := '4006ec51b7772b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b'O; |
| 217 | const octetstring c_ul_dl_ack_nack := '4008004000000000000000'O & '701000edc0000b2b2b2b2b2b'O; |
| 218 | const octetstring c_dl_ul_assign := '482857628dbbaf0126e68800082b2b2b2b2b2b2b2b2b2b'O; |
| 219 | |
| 220 | log(c_dl_ul_ack_nack); |
| 221 | dcb := dec_RlcmacDlCtrlBlock(c_dl_ul_ack_nack); |
| 222 | log(dcb); |
| 223 | //log(dec_RlcmacDlCtrlMsg(dcb.payload)); |
| 224 | |
| 225 | f_rlcmac_dld_decenc(c_dl_data); |
| 226 | |
| 227 | f_rlcmac_dld_decenc(c_dl_data2); |
| 228 | |
| 229 | log(c_ul_ctrl_ack); |
| 230 | ucb := dec_RlcmacUlCtrlBlock(c_ul_ctrl_ack); |
| 231 | log(ucb); |
| 232 | //log(dec_RlcmacUlCtrlMsg(ucb.payload)); |
| 233 | |
| 234 | log(c_ul_dl_ack_nack); |
| 235 | ucb := dec_RlcmacUlCtrlBlock(c_ul_dl_ack_nack); |
| 236 | log(ucb); |
| 237 | //log(dec_RlcmacUlCtrlMsg(ucb.payload)); |
| 238 | |
| 239 | log(c_dl_ul_assign); |
| 240 | dcb := dec_RlcmacDlCtrlBlock(c_dl_ul_assign); |
| 241 | log(dcb); |
| 242 | //log(dec_RlcmacDlCtrlMsg(dcb.payload)); |
| 243 | |
| 244 | const octetstring c_uld_tlli_noext := '080101a61cab5201c001080103e5e000310a0005f4e61cab5232f44000c8001d1b00'O; |
| 245 | f_rlcmac_uld_decenc(c_uld_tlli_noext); |
| 246 | |
| 247 | const octetstring c_uld_tlli_ext7pad := '0001041da61cab5200201705a96e102b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b00'O; |
| 248 | log("ULD_decenc"); |
| 249 | f_rlcmac_uld_decenc(c_uld_tlli_ext7pad); |
| 250 | log("UL_decenc"); |
| 251 | f_rlcmac_ul_decenc(c_uld_tlli_ext7pad); |
| 252 | |
| 253 | f_rlcmac_ul_decenc(c_ul_dl_ack_nack); |
| 254 | } |
| 255 | |
Pau Espin Pedrol | 2456dad | 2020-04-30 20:22:38 +0200 | [diff] [blame] | 256 | testcase TC_selftest_rlcmac_egprs() runs on RAW_PCU_Test_CT |
| 257 | { |
| 258 | var octetstring data; |
| 259 | var CodingSchemeArray schemes := { |
| 260 | //MCS_0, |
| 261 | MCS_1, |
| 262 | MCS_2, |
| 263 | MCS_3, |
| 264 | MCS_4, |
| 265 | MCS_5, |
| 266 | MCS_6, |
| 267 | MCS_7, |
| 268 | MCS_8, |
| 269 | MCS_9 |
| 270 | }; |
| 271 | |
| 272 | /* Initialize the PCU interface abstraction */ |
| 273 | f_init_raw(testcasename()); |
| 274 | |
| 275 | log("Started Uplink test"); |
| 276 | for (var integer i := 0; i < sizeof(schemes); i := i+1) { |
| 277 | log("Testing Coding Schema ", schemes[i]); |
| 278 | var template (value) RlcmacUlBlock ul_data := t_RLCMAC_UL_EGPRS_DATA( |
| 279 | schemes[i], |
| 280 | tfi := 4, |
| 281 | cv := 1, /* num UL blocks to be sent (to be overridden in loop) */ |
| 282 | bsn1 := 2, /* TODO: what should be here? */ |
| 283 | blocks := { /* To be generated in loop */ }); |
| 284 | |
| 285 | ul_data.data_egprs.tlli := '00100101'O; |
| 286 | ul_data.data_egprs.blocks := { valueof(t_RLCMAC_LLCBLOCK_EGPRS('AABBCCDDEEFF00112233'O)) }; |
| 287 | |
| 288 | /* Encode the payload of DATA.ind */ |
| 289 | log("Encoding ", valueof(ul_data)); |
| 290 | data := enc_RlcmacUlBlock(valueof(ul_data)); |
| 291 | data := f_pad_oct(data, f_rlcmac_cs_mcs2block_len(schemes[i]), '00'O); |
| 292 | |
| 293 | /* Send to PCU so that we get gsmtap traces to verify with wireshark */ |
Vadim Yanitskiy | 474ec92 | 2021-05-26 13:34:49 +0200 | [diff] [blame] | 294 | f_pcuif_tx_data_ind(data); |
Pau Espin Pedrol | 2456dad | 2020-04-30 20:22:38 +0200 | [diff] [blame] | 295 | |
| 296 | log("Decoding ", schemes[i]); |
| 297 | ul_data := dec_RlcmacUlBlock(data); |
| 298 | log("Decoded: ", ul_data); |
| 299 | } |
| 300 | log("Done Uplink test"); |
| 301 | } |
| 302 | |
Pau Espin Pedrol | 0e6ed2e | 2020-04-29 14:33:13 +0200 | [diff] [blame] | 303 | /////////////////// |
| 304 | // RR selftest |
| 305 | /////////////////// |
| 306 | |
| 307 | testcase TC_selftest_rr() runs on dummy_CT { |
| 308 | //const octetstring c_paging_none := '06210001F02B2B2B2B2B2B2B2B2B2B2B2B2B2B2B2B2B'O |
| 309 | const octetstring c_paging_none := '1506210001F0'O; |
| 310 | const octetstring c_ia_tbf := '2d063f100fe3677bd8440000c800100b2b2b2b2b2b2b2b'O |
| 311 | log(c_paging_none); |
| 312 | log(dec_GsmRrMessage(c_paging_none)); |
| 313 | |
| 314 | log(c_ia_tbf); |
| 315 | log(dec_GsmRrMessage(c_ia_tbf)); |
| 316 | } |
| 317 | |
| 318 | } |