616 lines
19 KiB
Plaintext
616 lines
19 KiB
Plaintext
module PCU_Tests {
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import from General_Types all;
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import from Osmocom_Types all;
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import from GSM_Types all;
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import from GSM_RR_Types all;
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import from Osmocom_Gb_Types all;
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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 LLC_Types all;
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import from LLC_Templates all;
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import from RLCMAC_Types all;
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import from RLCMAC_CSN1_Types all;
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import from LAPDm_RAW_PT all;
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import from GPRS_Context all;
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import from GPRS_TBF all;
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import from L1CTL_PortType all;
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modulepar {
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BssgpConfig mp_gb_cfg := {
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nsei := 1234,
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bvci := 1234,
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cell_id := {
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ra_id := {
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lai := {
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mcc_mnc := '26242F'H, lac := 13135
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},
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rac := 0
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},
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cell_id := 20960
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},
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sgsn_role := true
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};
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}
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type component dummy_CT extends BSSGP_Client_CT {
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var lapdm_CT lapdm_component;
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port LAPDm_PT L1;
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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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function f_init() runs on dummy_CT {
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if (g_initialized == true) {
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return;
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}
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g_initialized := true;
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/* create a new NS component */
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ns_component := NS_CT.create;
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bssgp_component := BSSGP_CT.create;
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/* connect our BSSGP port to the BSSGP Emulation */
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connect(self:BSSGP, bssgp_component:BSSGP_SP);
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connect(self:BSSGP_PROC, bssgp_component:BSSGP_PROC);
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/* connect lower-end of BSSGP with BSSGP_CODEC_PORT (maps to NS_PT*/
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connect(bssgp_component:BSCP, ns_component:NS_SP);
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/* connect lower-end of NS emulation to NS_CODEC_PORT (on top of IPl4) */
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map(ns_component:NSCP, system:NS_CODEC_PORT);
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ns_component.start(NSStart());
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bssgp_component.start(BssgpStart(mp_gb_cfg));
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lapdm_component := lapdm_CT.create;
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connect(self:L1, lapdm_component:LAPDM_SP);
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map(lapdm_component:L1CTL, system:L1CTL);
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lapdm_component.start(LAPDmStart());
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f_bssgp_client_register(g_mmctx.imsi, g_mmctx.tlli, mp_gb_cfg.cell_id);
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f_bssgp_establish();
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}
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function f_exit() runs on dummy_CT {
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lapdm_component.stop;
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ns_component.stop;
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bssgp_component.stop;
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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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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);
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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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const octetstring gmm_auth_req := '081200102198c72477ea104895e8b959acc58b108182'O;
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/* Wrap downlink GMM into LLC, encode + send it via BSSGP to PCU */
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function tx_gmm(BIT1 c_r, in octetstring gmm_pdu, BIT4 sapi := c_LLC_SAPI_LLGMM) runs on dummy_CT {
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var PDU_LLC llc;
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//log("GMM Tx: ", dec_PDU_L3_SGSN_MS(gmm_pdu));
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log(c_r, g_mmctx.n_u, gmm_pdu, sapi);
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llc := valueof(ts_LLC_UI(gmm_pdu, sapi, c_r, g_mmctx.n_u));
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log(llc);
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g_mmctx.n_u := g_mmctx.n_u + 1;
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log(ts_BSSGP_DL_UD(g_mmctx.tlli, enc_PDU_LLC(llc)));
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BSSGP.send(ts_BSSGP_DL_UD(g_mmctx.tlli, enc_PDU_LLC(llc)));
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}
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/* Establish BSSGP connection to PCU */
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function f_bssgp_establish() runs on dummy_CT {
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timer T:= 10.0;
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f_init();
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T.start
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alt {
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[] BSSGP.receive(t_BssgpStsInd(?, ?, BVC_S_UNBLOCKED)) { }
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[] BSSGP.receive { repeat; }
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[] T.timeout { setverdict(fail); }
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}
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T.stop
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log("BSSGP successfully initialized");
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}
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/* Send PS-PAGING via BSSGP to PCU, expect it to show up on L1/Um */
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testcase TC_paging() runs on dummy_CT {
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var GsmTmsi tmsi := hex2int('01234567'H);
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g_mmctx.imsi := '262420123456789'H;
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g_mmctx.tlli := f_random_tlli();
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f_init();
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BSSGP.send(ts_BSSGP_PS_PAGING_IMSI(mp_gb_cfg.bvci, g_mmctx.imsi));
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BSSGP.send(ts_BSSGP_PS_PAGING_PTMSI(mp_gb_cfg.bvci, g_mmctx.imsi, tmsi));
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while (true) {
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var BssgpDecoded bd;
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alt {
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[] BSSGP.receive(tr_BD_L3_MT(?)) -> value bd {
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log("BSSGP Rx: ", bd);
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}
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[] BSSGP.receive(t_BssgpStsInd(?, ?, BVC_S_UNBLOCKED)) { repeat; }
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[] BSSGP.receive { repeat; }
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}
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}
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}
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/* Establish an UL TBF: Tune to ARFCN, send RACH, receive AGCH, enable TBF Rx */
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function f_establish_ul_tbf() runs on dummy_CT {
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timer T := 5.0;
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var BCCH_tune_req tune_req := { { false, 871 }, true };
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L1.send(tune_req);
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/* FIXME: wait for confirm */
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var TBF_UL_establish_req est_req := { tbf_nr := 0, ra := hex2int('7B'H) };
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L1.send(est_req);
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T.start;
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/* FIXME: wait for confirm */
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alt {
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[] L1.receive(TBF_UL_establish_res:?) {}
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[] L1.receive { repeat; }
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[] T.timeout {
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setverdict(fail, "Timeout establishing UL TBF");
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self.stop;
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}
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}
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T.stop;
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}
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/* compute a random TLLI; FIXME: what about TLLI prefix / local/foreign/...? */
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function f_random_tlli() return GprsTlli {
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var GprsTlli tlli := f_rnd_octstring(4);
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return tlli;
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}
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/* Compute the frame number of the uplink block based on current fn + rrbp */
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function f_rrbp_fn(GsmFrameNumber fn, MacRrbp rrbp) return GsmFrameNumber {
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var integer add;
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select (rrbp) {
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case (RRBP_Nplus13_mod_2715648) {
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add := 13;
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}
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case (RRBP_Nplus17_or_18_mod_2715648) {
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add := 17; /* FIXME: What about 'or 18'? */
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}
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case (RRBP_Nplus21_or_22_mod_2715648) {
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add := 21; /* FIXME: What about 'or 22'? */
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}
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case (RRBP_Nplus26_mod_2715648) {
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add := 26;
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}
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}
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return (fn + add) mod 2715648;
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}
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function f_bssgp_wait_ul_ud(template BssgpDecoded bd_exp) runs on dummy_CT {
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timer T := 5.0;
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T.start;
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alt {
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[] BSSGP.receive(bd_exp) {
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log("found matching BSSGP UL-UNITDATA PDU");
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}
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[] T.timeout {
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setverdict(fail, "Timeout waiting for ", bd_exp);
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}
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}
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}
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function f_ul_tbf(inout UlTbfState us) runs on dummy_CT {
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var RLCMAC_ph_data_ind dl;
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/* Establish an UL-TBF */
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f_establish_ul_tbf();
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while (true) {
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var RlcmacUlBlock blk;
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if (f_ul_tbf_get_next_block(blk, us, g_mmctx, true) == false) {
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break;
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}
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/* Send the block to L1 for transmission */
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log("L1=", blk);
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L1.send(RLCMAC_ph_data_req:{dyn:={tbf_id := 0, cs := us.tbf.initial_cs, block := blk}});
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}
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alt {
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[] L1.receive(RLCMAC_ph_data_ind:{cs:=?, ts_nr:=?, fn:=?, block:=tr_RLCMAC_ACK_NACK(0, g_mmctx.tlli)}) -> value dl {
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log("found matching ACK/NACK");
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/* send CTRL ACK in uplink */
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var GsmFrameNumber ul_fn := f_rrbp_fn(dl.fn, dl.block.ctrl.mac_hdr.rrbp);
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var RlcmacUlCtrlMsg ctrl_ack := valueof(ts_RlcMacUlCtrl_PKT_CTRL_ACK(g_mmctx.tlli));
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var RlcmacUlBlock ul_block := valueof(ts_RLC_UL_CTRL_ACK(ctrl_ack));
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L1.send(ts_PH_DATA_ABS(0, CS1, dl.ts_nr, ul_fn, {false, 871}, ul_block));
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/* wait for the final ACK */
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if (dl.block.ctrl.payload.u.ul_ack_nack.gprs.ack_nack_desc.final_ack == '0'B) {
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repeat;
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}
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}
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[] L1.receive { repeat; }
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}
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for (var integer i := 0; i < sizeof(us.tbf.llc_pdus_enc); i := i+1) {
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f_bssgp_wait_ul_ud(tr_BD_BSSGP(tr_BSSGP_UL_UD(g_mmctx.tlli, ?, us.tbf.llc_pdus_enc[i])));
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}
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setverdict(pass);
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L1.send(DCCH_release_req:{});
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}
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testcase TC_rach() runs on dummy_CT {
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var BssgpBvci bvci := 196;
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g_mmctx.imsi := '262420123456789'H;
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g_mmctx.tlli := f_random_tlli();
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f_init();
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f_bssgp_client_register(g_mmctx.imsi, g_mmctx.tlli, mp_gb_cfg.cell_id);
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f_bssgp_establish();
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}
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testcase TC_nsem() runs on dummy_CT {
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f_bssgp_establish();
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while (true) {
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var BssgpDecoded bd;
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alt {
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[] BSSGP.receive(tr_BD_BSSGP(?)) -> value bd {
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log("BSSGP Rx: ", bd);
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//log("GMM Rx: ", dec_PDU_L3_MS_SGSN(pdu.payload));
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g_mmctx.tlli := bd.bssgp.pDU_BSSGP_UL_UNITDATA.tLLI;
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tx_gmm(LLC_CR_DL_CMD, gmm_auth_req);
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}
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[] BSSGP.receive(t_BssgpStsInd(?, ?, BVC_S_UNBLOCKED)) { repeat; }
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[] BSSGP.receive { repeat; }
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}
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}
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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);
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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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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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testcase TC_selftest_rlcmac() runs on dummy_CT {
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var RlcmacDlCtrlBlock dcb;
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var RlcmacUlCtrlBlock ucb;
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const octetstring c_dl_ul_ack_nack := '40240080400000000000000077628dbba14b2b2b2b2b2b'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 := '4008004000000000000000701000edc0000b2b2b2b2b2b'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);
|
|
|
|
log(c_ul_ctrl_ack);
|
|
ucb := dec_RlcmacUlCtrlBlock(c_ul_ctrl_ack);
|
|
log(ucb);
|
|
//log(dec_RlcmacUlCtrlMsg(ucb.payload));
|
|
|
|
log(c_ul_dl_ack_nack);
|
|
ucb := dec_RlcmacUlCtrlBlock(c_ul_dl_ack_nack);
|
|
log(ucb);
|
|
//log(dec_RlcmacUlCtrlMsg(ucb.payload));
|
|
|
|
log(c_dl_ul_assign);
|
|
dcb := dec_RlcmacDlCtrlBlock(c_dl_ul_assign);
|
|
log(dcb);
|
|
//log(dec_RlcmacDlCtrlMsg(dcb.payload));
|
|
|
|
const octetstring c_uld_tlli_noext := '080101a61cab5201c001080103e5e000310a0005f4e61cab5232f44000c8001d1b00'O;
|
|
f_rlcmac_uld_decenc(c_uld_tlli_noext);
|
|
|
|
const octetstring c_uld_tlli_ext7pad := '0001041da61cab5200201705a96e102b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b00'O;
|
|
log("ULD_decenc");
|
|
f_rlcmac_uld_decenc(c_uld_tlli_ext7pad);
|
|
log("UL_decenc");
|
|
f_rlcmac_ul_decenc(c_uld_tlli_ext7pad);
|
|
|
|
f_rlcmac_ul_decenc(c_ul_dl_ack_nack);
|
|
}
|
|
|
|
function f_rlcmac_ul_decenc(in octetstring buf) {
|
|
log("==================================");
|
|
log("In: ", buf);
|
|
var RlcmacUlBlock udb := dec_RlcmacUlBlock(buf);
|
|
log("Dec: ", udb);
|
|
var octetstring enc := enc_RlcmacUlBlock(udb);
|
|
log("Enc: ", enc);
|
|
if (enc != buf) { setverdict(fail, "Re-encoded data doesn't equal input data"); }
|
|
}
|
|
|
|
function f_rlcmac_uld_decenc(in octetstring buf) {
|
|
log("==================================");
|
|
log("In: ", buf);
|
|
var RlcmacUlDataBlock udb := dec_RlcmacUlDataBlock(buf);
|
|
log("Dec: ", udb);
|
|
var octetstring enc := enc_RlcmacUlDataBlock(udb);
|
|
log("Enc: ", enc);
|
|
if (enc != buf) { setverdict(fail, "Re-encoded data doesn't equal input data"); }
|
|
}
|
|
|
|
function f_rlcmac_dld_decenc(in octetstring buf) {
|
|
log("==================================");
|
|
log("In: ", buf);
|
|
var RlcmacDlDataBlock udb := dec_RlcmacDlDataBlock(buf);
|
|
log("Dec: ", udb);
|
|
var octetstring enc := enc_RlcmacDlDataBlock(udb);
|
|
log("Enc: ", enc);
|
|
if (enc != buf) { setverdict(fail, "Re-encoded data doesn't equal input data"); }
|
|
}
|
|
|
|
|
|
testcase TC_selftest_rr() runs on dummy_CT {
|
|
//const octetstring c_paging_none := '06210001F02B2B2B2B2B2B2B2B2B2B2B2B2B2B2B2B2B'O
|
|
const octetstring c_paging_none := '1506210001F0'O;
|
|
const octetstring c_ia_tbf := '2d063f100fe3677bd8440000c800100b2b2b2b2b2b2b2b'O
|
|
log(c_paging_none);
|
|
log(dec_GsmRrMessage(c_paging_none));
|
|
|
|
log(c_ia_tbf);
|
|
log(dec_GsmRrMessage(c_ia_tbf));
|
|
}
|
|
|
|
function f_seq_octstr(integer len) return octetstring {
|
|
var octetstring payload := ''O;
|
|
for (var integer i := 0; i < len; i := i+1 ) {
|
|
payload := payload & int2oct(i mod 256, 1);
|
|
}
|
|
return payload;
|
|
}
|
|
|
|
testcase TC_ul_tbf_single_llc_sizes() runs on dummy_CT {
|
|
g_mmctx.imsi := '262420123456789'H;
|
|
g_mmctx.tlli := f_random_tlli();
|
|
f_init();
|
|
|
|
for (var integer len := 1; len <= 1560; len := len+1) {
|
|
log("Testing Uplink TBF with single LLC-PDU of ", len, " bytes");
|
|
var octetstring payload := f_seq_octstr(len);
|
|
var UlTbfPars ul_tbf_pars := {
|
|
ack_mode := true,
|
|
initial_cs := CS1,
|
|
llc_pdus := {
|
|
valueof(ts_LLC_UI(payload, c_LLC_SAPI_LLGMM, '0'B, g_mmctx.n_u))
|
|
}
|
|
}
|
|
var UlTbfState ul_tbf_state;
|
|
f_UlTbfState_init(ul_tbf_state, ul_tbf_pars);
|
|
f_ul_tbf(ul_tbf_state);
|
|
f_sleep(1.0);
|
|
}
|
|
|
|
f_exit();
|
|
}
|
|
|
|
testcase TC_ul_tbf() runs on dummy_CT {
|
|
g_mmctx.imsi := '262420123456789'H;
|
|
g_mmctx.tlli := f_random_tlli();
|
|
f_init();
|
|
|
|
var octetstring payload := f_seq_octstr(1023);
|
|
var UlTbfPars ul_tbf_pars := {
|
|
ack_mode := true,
|
|
initial_cs := CS1,
|
|
llc_pdus := {
|
|
valueof(ts_LLC_UI(payload, c_LLC_SAPI_LLGMM, '0'B, g_mmctx.n_u)),
|
|
valueof(ts_LLC_UI(payload, c_LLC_SAPI_LLGMM, '0'B, g_mmctx.n_u+1)),
|
|
valueof(ts_LLC_UI(payload, c_LLC_SAPI_LLGMM, '0'B, g_mmctx.n_u+2)),
|
|
valueof(ts_LLC_UI(payload, c_LLC_SAPI_LLGMM, '0'B, g_mmctx.n_u+3)),
|
|
valueof(ts_LLC_UI(payload, c_LLC_SAPI_LLGMM, '0'B, g_mmctx.n_u+4)),
|
|
valueof(ts_LLC_UI(payload, c_LLC_SAPI_LLGMM, '0'B, g_mmctx.n_u+5))
|
|
}
|
|
};
|
|
var UlTbfState ul_tbf_state;
|
|
f_UlTbfState_init(ul_tbf_state, ul_tbf_pars);
|
|
f_ul_tbf(ul_tbf_state);
|
|
|
|
f_exit();
|
|
}
|
|
|
|
testcase TC_dl_tbf() runs on dummy_CT {
|
|
g_mmctx.imsi := '262420123456789'H;
|
|
g_mmctx.tlli := f_random_tlli();
|
|
f_init();
|
|
|
|
f_establish_dl_tbf();
|
|
|
|
f_exit();
|
|
}
|
|
|
|
function f_wait_tbf_dl(TbfNr tbf_nr, GprsTlli tlli) runs on dummy_CT return ImmediateAssignment {
|
|
var LAPDm_ph_data ph_data;
|
|
var GsmRrMessage rr;
|
|
timer T := 10.0;
|
|
T.start;
|
|
alt {
|
|
[] L1.receive(LAPDm_ph_data:{sacch:=?,sapi:=0,lapdm:={bbis:=?}}) -> value ph_data {
|
|
rr := dec_GsmRrMessage(ph_data.lapdm.bbis.payload);
|
|
log("PCH/AGCH DL RR: ", rr);
|
|
if (match(rr, t_RR_IMM_ASS_TBF_DL(tlli))) {
|
|
var TbfPars tbf_pars := valueof(t_TbfParsInit);
|
|
log("Received IMM.ASS for our TLLI!");
|
|
tbf_pars.tfi[rr.payload.imm_ass.pkt_chan_desc.tn] :=
|
|
rr.payload.imm_ass.rest_octets.hh.dl.group1.tfi_assignment;
|
|
L1.send(TBF_DL_establish_req:{tbf_nr, tbf_pars});
|
|
} else {
|
|
repeat;
|
|
}
|
|
}
|
|
[] L1.receive { repeat };
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for IMM ASS")
|
|
self.stop;
|
|
}
|
|
}
|
|
T.stop;
|
|
return rr.payload.imm_ass;
|
|
}
|
|
|
|
/* Establish an UL TBF: Tune to ARFCN, send RACH, receive AGCH, enable TBF Rx */
|
|
function f_establish_dl_tbf() runs on dummy_CT {
|
|
timer T := 5.0;
|
|
var BCCH_tune_req tune_req := { { false, 871 }, true };
|
|
L1.send(tune_req);
|
|
/* FIXME: wait for confirm */
|
|
|
|
/* sending a GMM PDU as DL-UNITDATA should trigger Paging + DL TBF Assignment */
|
|
tx_gmm('1'B, '01020304'O, c_LLC_SAPI_LLGMM);
|
|
|
|
/* Expect an IMM.ASS for PDCH on the AGCH */
|
|
f_wait_tbf_dl(0, g_mmctx.tlli);
|
|
|
|
var RLCMAC_ph_data_ind dl;
|
|
alt {
|
|
[] L1.receive(RLCMAC_ph_data_ind:{cs:=?, ts_nr:=?, fn:=?, block:=tr_RLCMAC_DATA_RRBP}) ->
|
|
value dl {
|
|
var uint6_t tfi := dl.block.data.mac_hdr.hdr_ext.tfi;
|
|
var GsmFrameNumber ul_fn := f_rrbp_fn(dl.fn, dl.block.data.mac_hdr.mac_hdr.rrbp);
|
|
var AckNackDescription an_desc := { /* FIXME: compute this based on state */
|
|
final_ack := '1'B,
|
|
starting_seq_nr := 0,
|
|
receive_block_bitmap := '0000000000000000000000000000000000000000000000000000000000000001'B
|
|
}
|
|
var RlcmacUlCtrlMsg ctrl_ack;
|
|
ctrl_ack := valueof(ts_RlcMacUlCtrl_PKT_DL_ACK(tfi, an_desc));
|
|
var RlcmacUlBlock ul_block := valueof(ts_RLC_UL_CTRL_ACK(ctrl_ack));
|
|
L1.send(ts_PH_DATA_ABS(0, CS1, dl.ts_nr, ul_fn, {false, 871}, ul_block));
|
|
log("Sent DL ACK: ", ul_block);
|
|
}
|
|
[] L1.receive { repeat; }
|
|
}
|
|
|
|
f_sleep(10.0);
|
|
}
|
|
|
|
|
|
control {
|
|
execute(TC_selftest_bssgp());
|
|
execute(TC_selftest_ns());
|
|
execute(TC_selftest_llc());
|
|
execute(TC_selftest_rr());
|
|
execute(TC_selftest_rlcmac());
|
|
execute(TC_nsem());
|
|
execute(TC_paging());
|
|
}
|
|
};
|