319 lines
10 KiB
Plaintext
319 lines
10 KiB
Plaintext
module PCU_selftest {
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/*
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* Osmocom PCU test suite in TTCN-3, selftest procedures
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* (C) 2018-2019 Harald Welte <laforge@gnumonks.org>
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* (C) 2020 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
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* All rights reserved.
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*
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* Released under the terms of GNU General Public License, Version 2 or
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* (at your option) any later version.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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import from BSSGP_Types all;
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import from BSSGP_Emulation all;
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import from NS_Types all;
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import from NS_Emulation all;
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import from GPRS_Context all;
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import from Osmocom_Gb_Types all;
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import from Osmocom_Types all;
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import from LLC_Types all;
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import from LLC_Templates all;
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import from L3_Templates all;
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import from GSM_RR_Types all;
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import from RLCMAC_CSN1_Types all;
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import from RLCMAC_Types all;
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import from RLCMAC_Templates all;
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import from GPRS_Components all;
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import from PCU_Tests all;
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type component dummy_CT extends BSSGP_Client_CT {
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var NS_CT ns_component;
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var BSSGP_CT bssgp_component;
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var MmContext g_mmctx := {
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tlli := 'FFFFFFFF'O,
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n_u := 0
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};
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var boolean g_initialized := false;
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}
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///////////////////
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// BSSGP selftest
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///////////////////
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function f_bssgp_dec_and_log(in octetstring inp) {
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log("BSSGP Input: ", inp);
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var PDU_BSSGP dec := dec_PDU_BSSGP(inp);
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log("BSSGP Decoded: ", dec);
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}
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testcase TC_selftest_bssgp() runs on dummy_CT {
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const octetstring c_bvc_reset_pcu := '2204820000078108088832f44000c80051e0'O;
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const octetstring c_bvc_reset_q := '2204820000078100'O;
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const octetstring c_status_pcu := '4107810515882204820000078103'O;
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const octetstring c_reset_ack_q := '2304820000'O;
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const octetstring c_reset_ack_pcu := '23048200c4'O;
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const octetstring c_unblock_pcu := '24048200c4'O;
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const octetstring c_unblock_ack_q := '25048200c4'O;
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const octetstring c_fc_bvc_pcu := '261e8101058200fa038200c8018200fa1c8200c806820000'O;
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const octetstring c_fc_bvc_ack_q := '271e8101'O;
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const octetstring c_gmm_mo_att_req := '01bb146ddd000004088832f44000c80051e000800e003b01c001080103e5e000110a0005f4fb146ddd32f44000c8001d1b53432b37159ef9090070000dd9c6321200e00019b32c642401c0002017057bf0ec'O;
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const octetstring c_gmm_mt_ac_req := '00bb146ddd0050001682ffff0a8204030e9c41c001081200102198c72477ea104895e8b959acc58b108182f4d045'O;
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const octetstring c_gmm_mo_ac_resp := '01bb146ddd000004088832f44000c80051e000800e000e01c00508130122fa361f5fdd623d'O;
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const octetstring c_gmm_mt_att_acc := '00bb146ddd0050001682ffff0a8204030e9841c005080201340432f44000c8001805f4fb146ddd0967d0'O;
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const octetstring c_gmm_mt_det_req := '00bb146ddd0050001682ffff0a8204030e8941c00908050215f0b6'O;
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const octetstring c_gmm_mo_att_cpl := '01fb146ddd000004088832f44000c80051e000800e000801c009080339d7bc'O;
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f_bssgp_dec_and_log(c_bvc_reset_pcu);
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f_bssgp_dec_and_log(c_bvc_reset_q);
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f_bssgp_dec_and_log(c_status_pcu);
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f_bssgp_dec_and_log(c_reset_ack_q);
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f_bssgp_dec_and_log(c_reset_ack_pcu);
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f_bssgp_dec_and_log(c_unblock_pcu);
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f_bssgp_dec_and_log(c_unblock_ack_q);
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f_bssgp_dec_and_log(c_fc_bvc_pcu);
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f_bssgp_dec_and_log(c_fc_bvc_ack_q);
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f_bssgp_dec_and_log(c_gmm_mo_att_req);
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f_bssgp_dec_and_log(c_gmm_mt_ac_req);
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f_bssgp_dec_and_log(c_gmm_mo_ac_resp);
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f_bssgp_dec_and_log(c_gmm_mt_att_acc);
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f_bssgp_dec_and_log(c_gmm_mt_det_req);
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f_bssgp_dec_and_log(c_gmm_mo_att_cpl);
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log(ts_BSSGP_PS_PAGING_IMSI(196, '262420123456789'H));
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}
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/////////////////
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// NS selftest
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/////////////////
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function f_ns_assert_prepr(in octetstring a, in octetstring b) {
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log("NS Input: ", a);
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log("NS Expected: ", b);
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if (a != b) {
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setverdict(fail, "Values mismatch", a, b);
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mtc.stop;
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} else {
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setverdict(pass);
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}
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}
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function f_ns_dec_and_log(in octetstring inp) {
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log("NS Input: ", inp);
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var PDU_NS dec := dec_PDU_NS(inp);
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log("NS Decoded: ", dec);
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}
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testcase TC_selftest_ns() runs on dummy_CT {
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const octetstring c_ns_reset_pcu := '000000c4271e813d'O;
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/* single byte length to two byte length */
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f_ns_assert_prepr('04058101'O, '0405000101'O);
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f_ns_assert_prepr('040589000102030405060708'O, '04050009000102030405060708'O);
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/* two byte length to two byte length */
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f_ns_assert_prepr('0405000101'O, '0405000101'O);
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/* special case: NS-UNITDATA */
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f_ns_assert_prepr('00aabbccddeeffaa29822342'O, '00aabbccddeeffaa2900022342'O);
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/* multiple TLVs */
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f_ns_assert_prepr('234281aa4382bbbb'O, '23420001aa430002bbbb'O);
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/* zero-length */
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f_ns_assert_prepr('230080'O, '23000000'O);
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f_ns_dec_and_log(c_ns_reset_pcu);
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}
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/////////////////
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// LLC selftest
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/////////////////
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function f_llc_dec_and_log(in octetstring inp) {
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log("LLC Input: ", inp);
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var PDU_LLC dec := dec_PDU_LLC(inp);
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log("LLC Decoded: ", dec);
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}
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function f_llc_assert(in octetstring a, in octetstring b) {
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log("LLC Input: ", a);
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log("LLC Expected: ", b);
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if (a != b) {
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setverdict(fail, "LLC input ", b, " != expected ", a);
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mtc.stop;
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} else {
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setverdict(pass);
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}
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}
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testcase TC_selftest_llc() runs on dummy_CT {
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const octetstring c_gmm_att_pcu := '01c001080103e5e000210a0005f4fb146ddd32f44000c8001d1b53432b37159ef9090070000dd9c6321200e00019b32c642401c00020170580460b'O;
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const octetstring c_gmm_att_pcu_nofcs := '01c001080103e5e000210a0005f4fb146ddd32f44000c8001d1b53432b37159ef9090070000dd9c6321200e00019b32c642401c000201705'O;
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const octetstring gmm_auth_req := '081200102198c72477ea104895e8b959acc58b108182'O;
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f_llc_dec_and_log(c_gmm_att_pcu);
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//f_llc_assert(f_LLC_append_fcs(c_gmm_att_pcu_nofcs), c_gmm_att_pcu);
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log(valueof(ts_LLC_UI(gmm_auth_req, c_LLC_SAPI_LLGMM, LLC_CR_DL_CMD, g_mmctx.n_u)));
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log(ts_LLC_UI(gmm_auth_req, c_LLC_SAPI_LLGMM, LLC_CR_DL_CMD, g_mmctx.n_u));
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}
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///////////////////
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// RLCMAC selftest
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///////////////////
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function f_rlcmac_ul_decenc(in octetstring buf) {
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log("==================================");
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log("In: ", buf);
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var RlcmacUlBlock udb := dec_RlcmacUlBlock(buf);
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log("Dec: ", udb);
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var octetstring enc := enc_RlcmacUlBlock(udb);
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log("Enc: ", enc);
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if (enc != buf) {
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setverdict(fail, "Re-encoded data doesn't equal input data");
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mtc.stop;
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}
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}
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function f_rlcmac_uld_decenc(in octetstring buf) {
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log("==================================");
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log("In: ", buf);
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var RlcmacUlDataBlock udb := dec_RlcmacUlDataBlock(buf);
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log("Dec: ", udb);
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var octetstring enc := enc_RlcmacUlDataBlock(udb);
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log("Enc: ", enc);
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if (enc != buf) {
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setverdict(fail, "Re-encoded data doesn't equal input data");
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mtc.stop;
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}
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}
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function f_rlcmac_dld_decenc(in octetstring buf) {
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log("==================================");
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log("In: ", buf);
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var RlcmacDlDataBlock udb := dec_RlcmacDlDataBlock(buf);
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log("Dec: ", udb);
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var octetstring enc := enc_RlcmacDlDataBlock(udb);
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log("Enc: ", enc);
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if (enc != buf) {
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setverdict(fail, "Re-encoded data doesn't equal input data");
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mtc.stop;
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}
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}
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testcase TC_selftest_rlcmac() runs on dummy_CT {
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const octetstring c_gmm_att_pcu := '402400804000000000000000'O;
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var RlcmacDlCtrlBlock dcb;
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var RlcmacUlCtrlBlock ucb;
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// Some octstrings are concatenated to avoid Atom editor hanging: https://github.com/karolwiniarski/language-ttcn-3/issues/3
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const octetstring c_dl_ul_ack_nack := '402400804000000000000000'O & '77628dbba14b2b2b2b2b2b'O;
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const octetstring c_dl_data := '0f00007341c001081200102198c72477ea104895e8b959acc58b108182f4d0454300'O;
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const octetstring c_dl_data2 := '070002165dc0012b2b2b43c0012b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b00'O;
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const octetstring c_ul_ctrl_ack := '4006ec51b7772b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b'O;
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const octetstring c_ul_dl_ack_nack := '4008004000000000000000'O & '701000edc0000b2b2b2b2b2b'O;
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const octetstring c_dl_ul_assign := '482857628dbbaf0126e68800082b2b2b2b2b2b2b2b2b2b'O;
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log(c_dl_ul_ack_nack);
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dcb := dec_RlcmacDlCtrlBlock(c_dl_ul_ack_nack);
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log(dcb);
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//log(dec_RlcmacDlCtrlMsg(dcb.payload));
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f_rlcmac_dld_decenc(c_dl_data);
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f_rlcmac_dld_decenc(c_dl_data2);
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log(c_ul_ctrl_ack);
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ucb := dec_RlcmacUlCtrlBlock(c_ul_ctrl_ack);
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log(ucb);
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//log(dec_RlcmacUlCtrlMsg(ucb.payload));
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log(c_ul_dl_ack_nack);
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ucb := dec_RlcmacUlCtrlBlock(c_ul_dl_ack_nack);
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log(ucb);
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//log(dec_RlcmacUlCtrlMsg(ucb.payload));
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log(c_dl_ul_assign);
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dcb := dec_RlcmacDlCtrlBlock(c_dl_ul_assign);
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log(dcb);
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//log(dec_RlcmacDlCtrlMsg(dcb.payload));
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const octetstring c_uld_tlli_noext := '080101a61cab5201c001080103e5e000310a0005f4e61cab5232f44000c8001d1b00'O;
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f_rlcmac_uld_decenc(c_uld_tlli_noext);
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const octetstring c_uld_tlli_ext7pad := '0001041da61cab5200201705a96e102b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b00'O;
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log("ULD_decenc");
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f_rlcmac_uld_decenc(c_uld_tlli_ext7pad);
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log("UL_decenc");
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f_rlcmac_ul_decenc(c_uld_tlli_ext7pad);
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f_rlcmac_ul_decenc(c_ul_dl_ack_nack);
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}
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testcase TC_selftest_rlcmac_egprs() runs on RAW_PCU_Test_CT
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{
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var octetstring data;
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var CodingSchemeArray schemes := {
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//MCS_0,
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MCS_1,
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MCS_2,
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MCS_3,
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MCS_4,
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MCS_5,
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MCS_6,
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MCS_7,
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MCS_8,
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MCS_9
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};
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/* Initialize the PCU interface abstraction */
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f_init_raw(testcasename());
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log("Started Uplink test");
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for (var integer i := 0; i < sizeof(schemes); i := i+1) {
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log("Testing Coding Schema ", schemes[i]);
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var template (value) RlcmacUlBlock ul_data := t_RLCMAC_UL_EGPRS_DATA(
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schemes[i],
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tfi := 4,
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cv := 1, /* num UL blocks to be sent (to be overridden in loop) */
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bsn1 := 2, /* TODO: what should be here? */
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blocks := { /* To be generated in loop */ });
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ul_data.data_egprs.tlli := '00100101'O;
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ul_data.data_egprs.blocks := { valueof(t_RLCMAC_LLCBLOCK_EGPRS('AABBCCDDEEFF00112233'O)) };
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/* Encode the payload of DATA.ind */
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log("Encoding ", valueof(ul_data));
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data := enc_RlcmacUlBlock(valueof(ul_data));
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data := f_pad_oct(data, f_rlcmac_cs_mcs2block_len(schemes[i]), '00'O);
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/* Send to PCU so that we get gsmtap traces to verify with wireshark */
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f_pcuif_tx_data_ind(data);
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log("Decoding ", schemes[i]);
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ul_data := dec_RlcmacUlBlock(data);
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log("Decoded: ", ul_data);
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}
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log("Done Uplink test");
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}
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///////////////////
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// RR selftest
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///////////////////
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testcase TC_selftest_rr() runs on dummy_CT {
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//const octetstring c_paging_none := '06210001F02B2B2B2B2B2B2B2B2B2B2B2B2B2B2B2B2B'O
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const octetstring c_paging_none := '1506210001F0'O;
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const octetstring c_ia_tbf := '2d063f100fe3677bd8440000c800100b2b2b2b2b2b2b2b'O
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log(c_paging_none);
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log(dec_GsmRrMessage(c_paging_none));
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log(c_ia_tbf);
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log(dec_GsmRrMessage(c_ia_tbf));
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}
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}
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