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osmo-ttcn3-hacks
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pcu: Introduce test TC_dl_multislot_tbf_ms_class_from_sgsn 

Related: SYS#5131
Change-Id: I417953a4c89dec82500b3b66f08ed648d266d813
This commit is contained in:
Pau Espin 2020-10-29 20:48:43 +01:00
parent 2aead38cdc
commit 0ea8b6f355
1 changed files with 56 additions and 0 deletions
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56
pcu/PCU_Tests.ttcn
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@ -1665,6 +1665,61 @@ testcase TC_ul_flow_multiple_llc_blocks() runs on RAW_PCU_Test_CT {
f_shutdown(__BFILE__, __LINE__, final := true);
}
/* Verify allocation and use of multislot tbf, triggered by MS class provided in SGSN. SYS#5131 */
testcase TC_dl_multislot_tbf_ms_class_from_sgsn() runs on RAW_PCU_Test_CT {
var PCUIF_info_ind info_ind := valueof(ts_PCUIF_INFO_default);
var octetstring data := f_rnd_octstring(10);
var PacketDlAssign dl_tbf_ass;
var RlcmacDlBlock dl_block;
var uint32_t poll_fn;
var uint32_t sched_fn;
var GprsMS ms;
timer T := 5.0;
/* 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 */
/* Only 1 TRX with 8 PDCH */
f_PCUIF_ver_INFO_PDCHMask_set(info_ind, '11111111'B, 0);
f_PCUIF_ver_INFO_PDCHMask_set(info_ind, '00000000'B, (1 .. 7));
/* 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);
/* Establish an Uplink TBF, this way the PCU can send DL Assignment
through PDCH (no multiblock assignment possible through PCH) */
f_ms_establish_ul_tbf(ms);
/* Send one UL block (with TLLI since we are in One-Phase Access
contention resoultion) and make sure it is ACKED fine */
f_ms_tx_ul_data_block(ms, data, with_tlli := true, nr := f_ms_tx_TsTrxBtsNum(ms));
/* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */
f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, poll_fn, nr := f_ms_tx_TsTrxBtsNum(ms));
/* SGSN sends some DL data, PCU will assign DL TBF through PACCH */
var MultislotCap_GPRS_BSSGP mscap_gprs := {
gprsmultislotclass := '10010'B, /* MS class 18, supports 8 DL and 8 UL */
gprsextendeddynalloccap := '0'B
};
var MSRadioAccessCapabilityV_BSSGP ms_racap := { valueof(ts_RaCapRec_BSSGP('0001'B /* E-GSM */, mscap_gprs, omit)) };
BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data, ms_racap));
dl_block := f_ms_rx_pkt_ass_pacch(ms, sched_fn, tr_RLCMAC_DL_PACKET_ASS, nr := f_ms_tx_TsTrxBtsNum(ms));
if (f_dltbf_num_slots(ms.dl_tbf) != 8) {
setverdict(fail, "Expected 8 PDCH slots allocated but got ", f_dltbf_num_slots(ms.dl_tbf));
f_shutdown(__BFILE__, __LINE__);
}
f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn, nr := f_ms_tx_TsTrxBtsNum(ms));
f_shutdown(__BFILE__, __LINE__, final := true);
}
/* Test scenario where MS wants to request a new TBF once the current one is
* ending, by means of sending a Packet Resource Request on ul slot provided by
* last Pkt Ul ACK's RRBP.
@ -2751,6 +2806,7 @@ control {
execute( TC_pcuif_fh_pkt_ass_ul() );
execute( TC_pcuif_fh_pkt_ass_dl() );
execute( TC_multitrx_multims_alloc() );
execute( TC_dl_multislot_tbf_ms_class_from_sgsn() );
}
execute( TC_pcuif_info_ind_subsequent() );