<p>pespin has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/23215">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">pcu: Introduce test TC_n3105_max_t3195<br><br>Related: OS#3928<br>Change-Id: I6f756c928509364fee14c552279f01b4e4f0e060<br>---<br>M pcu/PCU_Tests.ttcn<br>1 file changed, 120 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/15/23215/1</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 8ffb081..3494c73 100644</span><br><span>--- a/pcu/PCU_Tests.ttcn</span><br><span>+++ b/pcu/PCU_Tests.ttcn</span><br><span>@@ -1547,6 +1547,125 @@</span><br><span> f_shutdown(__BFILE__, __LINE__, final := true);</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+/* Verify after N3105_MAX is reached, T3195 is started and upon timeout TBF is</span><br><span style="color: hsl(120, 100%, 40%);">+ freed and no longer available. Trigger it by sending DL blocks and never DL</span><br><span style="color: hsl(120, 100%, 40%);">+ ACKing the data (which are requested through RRBP) */</span><br><span style="color: hsl(120, 100%, 40%);">+testcase TC_n3105_max_t3195() 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 data1 := f_rnd_octstring(1000);</span><br><span style="color: hsl(120, 100%, 40%);">+ var octetstring data2 := f_rnd_octstring(10);</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 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;</span><br><span style="color: hsl(120, 100%, 40%);">+ var integer num_poll_recv := 0;</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%);">+ /* Disable "MS delay release" timer, to avoid old DL data kept in cached</span><br><span style="color: hsl(120, 100%, 40%);">+ * MS and retransmitted after the TBF is released and later on created</span><br><span style="color: hsl(120, 100%, 40%);">+ * (because the MS is reused) */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_vty_config2(PCUVTY, {"pcu"}, "timer X2030 0");</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%);">+ /* SGSN sends some DL data, PCU will page on CCCH (PCH) */</span><br><span style="color: hsl(120, 100%, 40%);">+ BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data1));</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_exp_dl_tbf_ass_ccch(ms, PCU_IF_SAPI_PCH);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Wait timer X2002 and DL block is available after CCCH IMM ASS: */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_sleep(X2002);</span><br><span style="color: hsl(120, 100%, 40%);">+</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_DATA)) -> 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%);">+ if (num_poll_recv == 0) {</span><br><span style="color: hsl(120, 100%, 40%);">+ /* ACK first one so PCU detects we are there and doesn't retransmit Imm Ass */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_acknackdesc_ack_block(ms.dl_tbf.acknack_desc, data_msg.dl_block);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_block(ms, ts_RLCMAC_DL_ACK_NACK(ms.dl_tbf.tfi, ms.dl_tbf.acknack_desc),</span><br><span style="color: hsl(120, 100%, 40%);">+ f_dl_block_ack_fn(data_msg.dl_block, data_msg.raw.fn));</span><br><span style="color: hsl(120, 100%, 40%);">+ } else {</span><br><span style="color: hsl(120, 100%, 40%);">+ log("Ignoring RRBP ", num_poll_recv);</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%);">+ num_poll_recv := num_poll_recv + 1;</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%);">+ 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%);">+ /* We even send some new data, nothing should be sent to MS */</span><br><span style="color: hsl(120, 100%, 40%);">+ BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data1));</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%);">+ [] 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 */</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%);">+ /* after T_3195 timeout, TBF is released */</span><br><span style="color: hsl(120, 100%, 40%);">+ BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data2));</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_exp_dl_tbf_ass_ccch(ms, PCU_IF_SAPI_PCH);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Wait timer X2002 and DL block is available after CCCH IMM ASS: */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_sleep(X2002);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_rx_rlcmac_dl_block_exp_data(dl_block, dl_fn, data2, 0);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* ACK the DL block */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_acknackdesc_ack_block(ms.dl_tbf.acknack_desc, dl_block, '1'B);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_block(ms, ts_RLCMAC_DL_ACK_NACK(ms.dl_tbf.tfi, ms.dl_tbf.acknack_desc),</span><br><span style="color: hsl(120, 100%, 40%);">+ f_dl_block_ack_fn(dl_block, dl_fn));</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> /* Verify PCU handles correctly Countdown Procedure based on BS_CV_MAX */</span><br><span> testcase TC_countdown_procedure() runs on RAW_PCU_Test_CT {</span><br><span> var RlcmacDlBlock dl_block;</span><br><span>@@ -5414,6 +5533,7 @@</span><br><span> execute( TC_x2031_t3191() );</span><br><span> execute( TC_zero_x2031_t3191() );</span><br><span> execute( TC_t3193() );</span><br><span style="color: hsl(120, 100%, 40%);">+ execute( TC_n3105_max_t3195() );</span><br><span> execute( TC_countdown_procedure() );</span><br><span> execute( TC_ul_all_sizes() );</span><br><span> execute( TC_ul_data_toolong_fills_padding() );</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/23215">change 23215</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: I6f756c928509364fee14c552279f01b4e4f0e060 </div>
<div style="display:none"> Gerrit-Change-Number: 23215 </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>