<p>pespin has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/25806">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">pcu: Introduce test TC_ul_tbf_reestablish_with_pkt_resource_req_n3105_max<br><br>Change-Id: I3a50445c707430900c78623c7093ff7eb1f3ed95<br>---<br>M pcu/PCU_Tests.ttcn<br>1 file changed, 124 insertions(+), 0 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/06/25806/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn</span><br><span>index 4b8035c..75e4627 100644</span><br><span>--- a/pcu/PCU_Tests.ttcn</span><br><span>+++ b/pcu/PCU_Tests.ttcn</span><br><span>@@ -3058,6 +3058,129 @@</span><br><span> f_shutdown(__BFILE__, __LINE__, final := true);</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+/* Test scenario where MS wants to request a new TBF once the current one is</span><br><span style="color: hsl(120, 100%, 40%);">+ * ending, by means of sending a Packet Resource Request on ul slot provided by</span><br><span style="color: hsl(120, 100%, 40%);">+ * last Pkt Ul ACK's RRBP. new Pkt Ul Ass is never confirmed by the MS in this test.</span><br><span style="color: hsl(120, 100%, 40%);">+ * See 3GPP TS 44.060 sec 9.3.2.4.2 "Non-extended uplink TBF mode" */</span><br><span style="color: hsl(120, 100%, 40%);">+testcase TC_ul_tbf_reestablish_with_pkt_resource_req_n3105_max() runs on RAW_PCU_Test_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var PCUIF_info_ind info_ind;</span><br><span style="color: hsl(120, 100%, 40%);">+ var RlcmacDlBlock dl_block;</span><br><span style="color: hsl(120, 100%, 40%);">+ var octetstring data := f_rnd_octstring(10);</span><br><span style="color: hsl(120, 100%, 40%);">+ var uint32_t sched_fn;</span><br><span style="color: hsl(120, 100%, 40%);">+ var uint32_t dl_fn;</span><br><span style="color: hsl(120, 100%, 40%);">+ var template (value) TsTrxBtsNum nr;</span><br><span style="color: hsl(120, 100%, 40%);">+ var BTS_PDTCH_Block data_msg;</span><br><span style="color: hsl(120, 100%, 40%);">+ var template RlcmacDlBlock acknack_tmpl;</span><br><span style="color: hsl(120, 100%, 40%);">+ var GprsMS ms;</span><br><span style="color: hsl(120, 100%, 40%);">+ const integer N3105_MAX := 2;</span><br><span style="color: hsl(120, 100%, 40%);">+ var integer N3105 := 0;</span><br><span style="color: hsl(120, 100%, 40%);">+ timer T_3195 := 1.0 + 0.5; /* 0.5: extra offset since we cannot match exactly */</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize NS/BSSGP side */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init_bssgp();</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize GPRS MS side */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init_gprs_ms();</span><br><span style="color: hsl(120, 100%, 40%);">+ ms := g_ms[0]; /* We only use first MS in this test */</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize the PCU interface abstraction */</span><br><span style="color: hsl(120, 100%, 40%);">+ info_ind := valueof(ts_PCUIF_INFO_default(c_PCUIF_Flags_noMCS));</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Speedup test: */</span><br><span style="color: hsl(120, 100%, 40%);">+ info_ind.n3105 := N3105_MAX;</span><br><span style="color: hsl(120, 100%, 40%);">+ info_ind.t3195 := 1;</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init_raw(testcasename(), info_ind);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Establish BSSGP connection to the PCU */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_bssgp_establish();</span><br><span style="color: hsl(120, 100%, 40%);">+ f_bssgp_client_llgmm_assign(TLLI_UNUSED, ms.tlli);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Establish an Uplink TBF */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_establish_ul_tbf(ms);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Send one UL block (with TLLI since we are in One-Phase Access</span><br><span style="color: hsl(120, 100%, 40%);">+ contention resoultion) and make sure it is ACKED fine */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_data_block_multi(ms, 1, with_tlli := true, fn := ms.ul_tbf.start_time_fn);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* UL block should be received in SGSN */</span><br><span style="color: hsl(120, 100%, 40%);">+ BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.bvc[0].cell_id));</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ acknack_tmpl := tr_RLCMAC_UL_ACK_NACK_GPRS(ms.ul_tbf.tfi,</span><br><span style="color: hsl(120, 100%, 40%);">+ tr_UlAckNackGprs(ms.tlli,</span><br><span style="color: hsl(120, 100%, 40%);">+ tr_AckNackDescription(final_ack := '1'B),</span><br><span style="color: hsl(120, 100%, 40%);">+ tr_UlAckNackGprsAdditionsRel99(tbf_est := true)))</span><br><span style="color: hsl(120, 100%, 40%);">+ f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn, acknack_tmpl);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* TODO: verify TBF_EST and FinalACK are both '1' above */</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Send PACKET RESOURCE REQUEST to request a new UL TBF */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_block(ms, ts_RLC_UL_CTRL_ACK(ts_RlcMacUlCtrl_PKT_RES_REQ(ms.tlli, omit)), sched_fn);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Now Keep ignoring the Pkt Ul Ass on PACCH: */</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Now we go on receiving DL data and not answering RRBP: */</span><br><span style="color: hsl(120, 100%, 40%);">+ nr := ts_TsTrxBtsNum;</span><br><span style="color: hsl(120, 100%, 40%);">+ BTS.send(ts_PCUIF_RTS_REQ(nr.bts_nr, nr.trx_nr, nr.ts_nr,</span><br><span style="color: hsl(120, 100%, 40%);">+ sapi := PCU_IF_SAPI_PDTCH, fn := 0,</span><br><span style="color: hsl(120, 100%, 40%);">+ arfcn := f_trxnr2arfcn(valueof(nr.trx_nr)),</span><br><span style="color: hsl(120, 100%, 40%);">+ block_nr := nr.blk_nr));</span><br><span style="color: hsl(120, 100%, 40%);">+ alt {</span><br><span style="color: hsl(120, 100%, 40%);">+ [not T_3195.running] BTS.receive(tr_PCUIF_DATA_PDTCH(nr.bts_nr,</span><br><span style="color: hsl(120, 100%, 40%);">+ tr_PCUIF_DATA(nr.trx_nr, nr.ts_nr, sapi := PCU_IF_SAPI_PDTCH),</span><br><span style="color: hsl(120, 100%, 40%);">+ tr_RLCMAC_UL_PACKET_ASS)) -> value data_msg {</span><br><span style="color: hsl(120, 100%, 40%);">+ if (f_dl_block_rrbp_valid(data_msg.dl_block)) {</span><br><span style="color: hsl(120, 100%, 40%);">+ log("Ignoring RRBP N3105 ", N3105);</span><br><span style="color: hsl(120, 100%, 40%);">+ N3105 := N3105 + 1;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ nr := ts_TsTrxBtsNum;</span><br><span style="color: hsl(120, 100%, 40%);">+ BTS.send(ts_PCUIF_RTS_REQ(nr.bts_nr, nr.trx_nr, nr.ts_nr,</span><br><span style="color: hsl(120, 100%, 40%);">+ sapi := PCU_IF_SAPI_PDTCH, fn := 0,</span><br><span style="color: hsl(120, 100%, 40%);">+ arfcn := f_trxnr2arfcn(valueof(nr.trx_nr)),</span><br><span style="color: hsl(120, 100%, 40%);">+ block_nr := nr.blk_nr));</span><br><span style="color: hsl(120, 100%, 40%);">+ repeat;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ /* At this point in time (N3105_MAX reached), PCU already moved TBF to</span><br><span style="color: hsl(120, 100%, 40%);">+ * RELEASE state so no data for it is tx'ed, hence the dummy blocks:</span><br><span style="color: hsl(120, 100%, 40%);">+ */</span><br><span style="color: hsl(120, 100%, 40%);">+ [N3105 == N3105_MAX] BTS.receive(tr_PCUIF_DATA_PDTCH(nr.bts_nr,</span><br><span style="color: hsl(120, 100%, 40%);">+ tr_PCUIF_DATA(nr.trx_nr, nr.ts_nr, sapi := PCU_IF_SAPI_PDTCH),</span><br><span style="color: hsl(120, 100%, 40%);">+ tr_RLCMAC_DUMMY_CTRL)) -> value data_msg {</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not T_3195.running) {</span><br><span style="color: hsl(120, 100%, 40%);">+ T_3195.start;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ nr := ts_TsTrxBtsNum;</span><br><span style="color: hsl(120, 100%, 40%);">+ BTS.send(ts_PCUIF_RTS_REQ(nr.bts_nr, nr.trx_nr, nr.ts_nr,</span><br><span style="color: hsl(120, 100%, 40%);">+ sapi := PCU_IF_SAPI_PDTCH, fn := 0,</span><br><span style="color: hsl(120, 100%, 40%);">+ arfcn := f_trxnr2arfcn(valueof(nr.trx_nr)),</span><br><span style="color: hsl(120, 100%, 40%);">+ block_nr := nr.blk_nr));</span><br><span style="color: hsl(120, 100%, 40%);">+ repeat;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ /* We receive Dummy blocks in between Pkt Ul Ass while PCU waits for us to ack it */</span><br><span style="color: hsl(120, 100%, 40%);">+ [not T_3195.running] BTS.receive(tr_PCUIF_DATA_PDTCH(nr.bts_nr,</span><br><span style="color: hsl(120, 100%, 40%);">+ tr_PCUIF_DATA(nr.trx_nr, nr.ts_nr, sapi := PCU_IF_SAPI_PDTCH),</span><br><span style="color: hsl(120, 100%, 40%);">+ tr_RLCMAC_DUMMY_CTRL)) -> value data_msg {</span><br><span style="color: hsl(120, 100%, 40%);">+ log("Ignoring Dummy block FN ", data_msg.raw.fn);</span><br><span style="color: hsl(120, 100%, 40%);">+ nr := ts_TsTrxBtsNum;</span><br><span style="color: hsl(120, 100%, 40%);">+ BTS.send(ts_PCUIF_RTS_REQ(nr.bts_nr, nr.trx_nr, nr.ts_nr,</span><br><span style="color: hsl(120, 100%, 40%);">+ sapi := PCU_IF_SAPI_PDTCH, fn := 0,</span><br><span style="color: hsl(120, 100%, 40%);">+ arfcn := f_trxnr2arfcn(valueof(nr.trx_nr)),</span><br><span style="color: hsl(120, 100%, 40%);">+ block_nr := nr.blk_nr));</span><br><span style="color: hsl(120, 100%, 40%);">+ repeat;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ [T_3195.running] T_3195.timeout {</span><br><span style="color: hsl(120, 100%, 40%);">+ log("T_3195 timeout");</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Done in alt, wait for pending RTS initiated previously in</span><br><span style="color: hsl(120, 100%, 40%);">+ * above case before continuing (expect nothing to be sent since there's no active TBF): */</span><br><span style="color: hsl(120, 100%, 40%);">+ BTS.receive(tr_PCUIF_DATA_PDTCH(nr.bts_nr,</span><br><span style="color: hsl(120, 100%, 40%);">+ tr_PCUIF_DATA(nr.trx_nr, nr.ts_nr, sapi := PCU_IF_SAPI_PDTCH),</span><br><span style="color: hsl(120, 100%, 40%);">+ omit));</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ [] BTS.receive {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Unexpected BTS message");</span><br><span style="color: hsl(120, 100%, 40%);">+ f_shutdown(__BFILE__, __LINE__);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ f_shutdown(__BFILE__, __LINE__, final := true);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> /* Test CS paging over the BTS<->PCU socket.</span><br><span> * When a (class B or C, not A) MS has an active TBF (or is on the PDCH), the MS can not react on CS paging over CCCH.</span><br><span> * Paging should be send on the PACCH.</span><br><span>@@ -6243,6 +6366,7 @@</span><br><span> execute( TC_dl_multislot_tbf_ms_class_from_2phase() );</span><br><span> execute( TC_ul_multislot_tbf_ms_class_from_2phase() );</span><br><span> execute( TC_ul_tbf_reestablish_with_pkt_resource_req() );</span><br><span style="color: hsl(120, 100%, 40%);">+ execute( TC_ul_tbf_reestablish_with_pkt_resource_req_n3105_max() );</span><br><span> </span><br><span> execute( TC_multiplex_dl_gprs_egprs() );</span><br><span> </span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/25806">change 25806</a>. 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<div style="display:none"> Gerrit-Project: osmo-ttcn3-hacks </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: I3a50445c707430900c78623c7093ff7eb1f3ed95 </div>
<div style="display:none"> Gerrit-Change-Number: 25806 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: pespin <pespin@sysmocom.de> </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>