pespin has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/34004 )
Change subject: pcu: Introduce test TC_dl_multislot_tbf_ms_class_unknown
......................................................................
pcu: Introduce test TC_dl_multislot_tbf_ms_class_unknown
Related: OS#6118
Change-Id: I9af8792fe4c44b5dd1aab5a2d4b7d3c2a2366d12
---
M pcu/PCU_Tests.ttcn
M pcu/expected-results.xml
2 files changed, 86 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks
refs/changes/04/34004/1
diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn
index e381c59..d844736 100644
--- a/pcu/PCU_Tests.ttcn
+++ b/pcu/PCU_Tests.ttcn
@@ -3252,6 +3252,75 @@
f_shutdown(__BFILE__, __LINE__, final := true);
}
+/* Test DL TBF assignment over PACCH if Multislot class is unknown both at PCU
+ * and SGSN (eg. because MS started 1-phase access and SGSN answered back).
+ * Since the msclass is unknown, it shouldn't assign multiple timeslots since
+ * the MS may not support it. Related OS#6118. */
+testcase TC_dl_multislot_tbf_ms_class_unknown() runs on RAW_PCU_Test_CT
+{
+ var PCUIF_info_ind info_ind :=
valueof(ts_PCUIF_INFO_default(c_PCUIF_Flags_noMCS));
+ var RlcmacDlBlock dl_block;
+ var octetstring payload;
+ var template (value) LlcBlockHdr blk_hdr;
+ var template (value) LlcBlocks blocks;
+ var uint32_t sched_fn;
+ var uint32_t dl_fn;
+ var template RlcmacDlBlock acknack_tmpl;
+ var GprsMS ms;
+ var octetstring data := f_rnd_octstring(10);
+
+ /* Initialize NS/BSSGP side */
+ f_init_bssgp();
+
+ /* Only 1 TRX with 8 PDCH */
+ f_PCUIF_PDCHMask_set(info_ind, '11111111'B, 0);
+ f_PCUIF_PDCHMask_set(info_ind, '00000000'B, (1 .. 7));
+
+ /* 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);
+
+ /* Establish an Uplink TBF. 1 TS is assigned over AGCH. */
+ f_ms_establish_ul_tbf(ms);
+
+ /* Wait until PCU starts requesting for UL block on this TBF: */
+ dl_fn := f_ms_wait_usf(ms, nr := f_ms_tx_TsTrxBtsNum(ms));
+ sched_fn := f_next_pdch_block(dl_fn);
+
+ /* Send one UL block (with TLLI since we are in One-Phase Access
+ * contention resolution) and make sure it is ACKED fine. */
+ payload := f_rnd_octstring(16); /* 16 bytes fills the llc block
(because TLLI takes 4 bytes) */
+ blk_hdr := t_RLCMAC_LLCBLOCK_HDR(length_ind := lengthof(payload),
+ more := false, e := true);
+ blocks := { t_RLCMAC_LLCBLOCK(payload, blk_hdr) };
+ /* Set CV = 15 to signal there's still more than BS_CV_MAX blocks to be
sent */
+ f_ms_tx_ul_data_blocks_gprs(ms, blocks, cv := 15, with_tlli := true, fn
:= sched_fn, nr := f_ms_tx_TsTrxBtsNum(ms));
+
+ /* UL block should be received in SGSN */
+ BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.bvc[0].cell_id));
+
+ acknack_tmpl := tr_RLCMAC_UL_ACK_NACK_GPRS(ms.ul_tbf.tfi,
+ tr_UlAckNackGprs(ms.tlli,
+
tr_AckNackDescription(final_ack := '0'B)))
+ f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn, acknack_tmpl, nr
:= f_ms_tx_TsTrxBtsNum(ms));
+
+ BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data, racap := omit));
+ 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) != 1) {
+ setverdict(fail, "Expected 1 PDCH slots allocated but got ",
f_dltbf_num_slots(ms.dl_tbf));
+ f_shutdown(__BFILE__, __LINE__);
+ }
+
+ f_shutdown(__BFILE__, __LINE__, final := true);
+}
+
testcase TC_dl_multislot_tbf_ms_class_from_2phase() runs on RAW_PCU_Test_CT {
var PCUIF_info_ind info_ind :=
valueof(ts_PCUIF_INFO_default(c_PCUIF_Flags_noMCS));
var RlcmacDlBlock dl_block;
@@ -7436,6 +7505,7 @@
execute( TC_pcuif_fh_pkt_ass_dl() );
execute( TC_multitrx_multims_alloc() );
execute( TC_dl_multislot_tbf_ms_class_from_sgsn() );
+ execute( TC_dl_multislot_tbf_ms_class_unknown() );
execute( TC_dl_multislot_tbf_ms_class_from_2phase() );
execute( TC_ul_multislot_tbf_ms_class_from_2phase() );
execute( TC_ul_tbf_reestablish_with_pkt_resource_req() );
diff --git a/pcu/expected-results.xml b/pcu/expected-results.xml
index eccff6f..2a25934 100644
--- a/pcu/expected-results.xml
+++ b/pcu/expected-results.xml
@@ -93,6 +93,12 @@
PCU_Tests.ttcn:MASKED TC_dl_multislot_tbf_ms_class_from_sgsn testcase
</failure>
</testcase>
+ <testcase classname='PCU_Tests' name='TC_dl_multislot_tbf_ms_class_unknown'
time='MASKED'>
+ <failure type='fail-verdict'>Expected 1 PDCH slots allocated but got 4
+ PCU_Tests.ttcn:MASKED PCU_Tests control part
+ PCU_Tests.ttcn:MASKED TC_dl_multislot_tbf_ms_class_unknown testcase
+ </failure>
+ </testcase>
<testcase classname='PCU_Tests'
name='TC_dl_multislot_tbf_ms_class_from_2phase' time='MASKED'/>
<testcase classname='PCU_Tests'
name='TC_ul_multislot_tbf_ms_class_from_2phase' time='MASKED'/>
<testcase classname='PCU_Tests'
name='TC_ul_tbf_reestablish_with_pkt_resource_req' time='MASKED'/>
--
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I9af8792fe4c44b5dd1aab5a2d4b7d3c2a2366d12
Gerrit-Change-Number: 34004
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <[email protected]>
Gerrit-MessageType: newchange
