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pcu: Introduce test TC_nacc_outbound_si_resolve_timeout 

Related: SYS#4909
Change-Id: If0032b940685efaaa8f65357c56c3383fab3e283
This commit is contained in:
Pau Espin 2021-01-26 19:38:26 +01:00 committed by laforge
parent 31e30646cf
commit 9076ee7412
1 changed files with 77 additions and 0 deletions
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77
pcu/PCU_Tests.ttcn
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@ -3812,6 +3812,82 @@ testcase TC_nacc_outbound_rac_ci_resolve_timeout() runs on RAW_PCU_Test_CT {
f_shutdown(__BFILE__, __LINE__, final := true);
}
/* Verify PCU transmits Pkt Cell Change Continue if SI resolution fails during outbound NACC procedure */
testcase TC_nacc_outbound_si_resolve_timeout() runs on RAW_PCU_Test_CT {
var RlcmacDlBlock dl_block;
var PollFnCtx pollctx;
var uint32_t sched_fn;
var GprsMS ms;
var template (value) RlcmacUlCtrlMsg cell_chf_notif;
var PCUIF_info_ind info_ind := valueof(ts_PCUIF_INFO_default);
var MultislotCap_GPRS mscap_gprs := {
gprsmultislotclass := '00011'B,
gprsextendeddynalloccap := '0'B
};
var MSRadioAccessCapabilityV ms_racap := { valueof(ts_RaCapRec('0001'B /* E-GSM */, mscap_gprs, omit)) };
var GsmArfcn req_arfcn := 862;
var uint6_t req_bsic := 43;
var BssgpCellId src := valueof(ts_BssgpCellId(ts_RAI(ts_LAI(f_enc_BcdMccMnc(info_ind.mcc, info_ind.mnc, info_ind.mnc_3_digits == 1), /* '262F42'H */
info_ind.lac),
info_ind.rac),
info_ind.cell_id));
var BssgpCellId dst := valueof(ts_BssgpCellId(ts_RAI(ts_LAI('023F43'H, /* Decided by test itself (emulating BSC) */
423),
2),
5));
var template RIM_Routing_Address src_addr := t_RIM_Routing_Address_cid(src);
var template RIM_Routing_Address dst_addr := t_RIM_Routing_Address_cid(dst);
/* Initialize osmo-bsc emulation neighbor resolution CTRL port */
f_ipa_ctrl_start_server(mp_ctrl_neigh_ip, mp_ctrl_neigh_port);
/* Initialize NS/BSSGP side */
f_init_bssgp();
/* Initialize GPRS MS side */
f_init_gprs_ms();
ms := g_ms[0]; /* We only use first MS in this test */
/* Initialize the PCU interface abstraction */
f_init_raw(testcasename(), info_ind);
/* Establish BSSGP connection to the PCU */
f_bssgp_establish();
f_bssgp_client_llgmm_assign(TLLI_UNUSED, ms.tlli);
/* Send PACKET RESOURCE REQUEST */
pollctx := f_ms_establish_ul_tbf_2phase_access(ms, ts_RlcMacUlCtrl_PKT_RES_REQ(ms.tlli, ms_racap));
/* Pkt Uplink Assignment above sets poll+rrbp requesting PACKET CONTROL ACK */
f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), pollctx.fn, nr := pollctx.tstrxbts);
/* Start NACC from MS side */
cell_chf_notif := ts_RlcMacUlCtrl_PKT_CELL_CHG_NOTIF(ms.ul_tbf.tfi, req_arfcn, req_bsic);
f_ms_tx_ul_block(ms, ts_RLC_UL_CTRL_ACK(cell_chf_notif), 0, nr := f_ms_tx_TsTrxBtsNum(ms));
/* osmo-pcu should now ask for resolution: */
f_ipa_ctrl_wait_link_up();
var charstring ctrl_var := "neighbor_resolve_cgi_ps_from_lac_ci." &
int2str(info_ind.lac) & "." &
int2str(info_ind.cell_id) & "." &
int2str(req_arfcn) & "." &
int2str(req_bsic);
f_ctrl_exp_get(IPA_CTRL, ctrl_var, "023-43-423-2-5");
/* RIM procedure: */
RIM.receive(tr_RAN_INFORMATION_REQUEST(tr_RIM_Routing_Information(RIM_ADDR_GERAN_CELL_ID, dst_addr),
tr_RIM_Routing_Information(RIM_ADDR_GERAN_CELL_ID, src_addr),
tr_RAN_Information_Request_RIM_Container));
/* We never answer the RIM procude -> PCU timeouts and should send Pkt Cell Chg continue */
/* Wait until we receive something non-dummy */
dl_block := f_skip_dummy(0);
/* Make sure it is a Pkt Cell Chg Continue */
if (not match(dl_block, tr_RLCMAC_DL_CTRL(?, tr_RlcMacDlCtrl_PKT_CELL_CHG_CONTINUE))) {
setverdict(fail, "Rx unexpected DL block: ", dl_block);
}
f_shutdown(__BFILE__, __LINE__, final := true);
}
control {
execute( TC_pcuif_suspend() );
execute( TC_pcuif_suspend_active_tbf() );
@ -3887,6 +3963,7 @@ control {
execute( TC_pcuif_info_ind_subsequent() );
execute( TC_nacc_outbound_success() );
execute( TC_nacc_outbound_rac_ci_resolve_timeout() );
execute( TC_nacc_outbound_si_resolve_timeout() );
}
}