<p>laforge <strong>submitted</strong> this change.</p><p><a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/15681">View Change</a></p><div style="white-space:pre-wrap">Approvals:
laforge: Looks good to me, approved
Jenkins Builder: Verified
</div><pre style="font-family: monospace,monospace; white-space: pre-wrap;">pcu: Introduce test TC_mo_ping_pong<br><br>Ideally some more checks should be done on this test at the end, but<br>it's fine keeping it as it is for now and can be extended later.<br><br>Change-Id: I3be5123ff5294e5851652ec14d54589442082b28<br>---<br>M pcu/PCU_Tests_RAW.ttcn<br>1 file changed, 89 insertions(+), 0 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/pcu/PCU_Tests_RAW.ttcn b/pcu/PCU_Tests_RAW.ttcn</span><br><span>index 9d0882f..6129831 100644</span><br><span>--- a/pcu/PCU_Tests_RAW.ttcn</span><br><span>+++ b/pcu/PCU_Tests_RAW.ttcn</span><br><span>@@ -571,6 +571,22 @@</span><br><span> return true;</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+private function f_imm_ass_verify_dl_tbf_ass(GsmRrMessage rr_imm_ass, out PacketDlAssign dl_tbf_ass)</span><br><span style="color: hsl(120, 100%, 40%);">+runs on RAW_PCU_Test_CT return boolean {</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Make sure we received a DL TBF Assignment */</span><br><span style="color: hsl(120, 100%, 40%);">+ if (match(rr_imm_ass, tr_IMM_TBF_ASS(dl := true, rest := tr_IaRestOctets_DLAss(?)))) {</span><br><span style="color: hsl(120, 100%, 40%);">+ dl_tbf_ass := rr_imm_ass.payload.imm_ass.rest_octets.hh.pa.uldl.ass.dl;</span><br><span style="color: hsl(120, 100%, 40%);">+ log("Rx Downlink TBF assignment: ", dl_tbf_ass);</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(pass);</span><br><span style="color: hsl(120, 100%, 40%);">+ } else {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Failed to match DL TBF Assignment");</span><br><span style="color: hsl(120, 100%, 40%);">+ return false;</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%);">+ return true;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> /* Enqueue DATA.ind (both TDMA frame and block numbers to be patched) */</span><br><span> private function f_pcuif_tx_data_ind(octetstring data, int16_t lqual_cb := 0)</span><br><span> runs on RAW_PCU_Test_CT {</span><br><span>@@ -591,6 +607,24 @@</span><br><span> sapi := PCU_IF_SAPI_PDTCH)) -> value pcu_msg;</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+/* Expect an Immediate Assignment (paging) from PCU on PCUIF on specified sapi. */</span><br><span style="color: hsl(120, 100%, 40%);">+private function f_pcuif_rx_pch_imm_tbf_ass(out GsmRrMessage rr_imm_ass)</span><br><span style="color: hsl(120, 100%, 40%);">+runs on RAW_PCU_Test_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var PCUIF_Message pcu_msg;</span><br><span style="color: hsl(120, 100%, 40%);">+ var octetstring macblock;</span><br><span style="color: hsl(120, 100%, 40%);">+ BTS.receive(tr_PCUIF_DATA_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 0,</span><br><span style="color: hsl(120, 100%, 40%);">+ sapi := PCU_IF_SAPI_PCH)) -> value pcu_msg;</span><br><span style="color: hsl(120, 100%, 40%);">+ /* First 3 bytes contain paging group: */</span><br><span style="color: hsl(120, 100%, 40%);">+ macblock := substr(pcu_msg.u.data_req.data, 3, pcu_msg.u.data_req.len - 3);</span><br><span style="color: hsl(120, 100%, 40%);">+ rr_imm_ass := dec_GsmRrMessage(macblock);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not match(rr_imm_ass, tr_IMM_TBF_ASS())) {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Failed to match Immediate Assignment: ", rr_imm_ass);</span><br><span style="color: hsl(120, 100%, 40%);">+ mtc.stop;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ BTS.send(ts_PCUIF_DATA_CNF(bts_nr := 0, trx_nr := 0, ts_nr := 0, block_nr := 0,</span><br><span style="color: hsl(120, 100%, 40%);">+ fn := 0, arfcn := 871, sapi := PCU_IF_SAPI_PCH, data := macblock));</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> private function f_tx_rlcmac_ul_block(template (value) RlcmacUlBlock ul_data, int16_t lqual_cb := 0)</span><br><span> runs on RAW_PCU_Test_CT {</span><br><span> var octetstring data;</span><br><span>@@ -1053,6 +1087,60 @@</span><br><span> f_rx_rlcmac_dl_block_exp_dummy(dl_block);</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+/* Test scenario where MS wants to send some data on PDCH against SGSN and it is</span><br><span style="color: hsl(120, 100%, 40%);">+ * answered, so TBFs for uplink and later for downlink are created.</span><br><span style="color: hsl(120, 100%, 40%);">+ */</span><br><span style="color: hsl(120, 100%, 40%);">+testcase TC_mo_ping_pong() runs on RAW_PCU_Test_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var GsmRrMessage rr_imm_ass;</span><br><span style="color: hsl(120, 100%, 40%);">+ var PacketUlAssign ul_tbf_ass;</span><br><span style="color: hsl(120, 100%, 40%);">+ var PacketDlAssign dl_tbf_ass;</span><br><span style="color: hsl(120, 100%, 40%);">+ var RlcmacDlBlock dl_block;</span><br><span style="color: hsl(120, 100%, 40%);">+ var PCUIF_Message pcu_msg;</span><br><span style="color: hsl(120, 100%, 40%);">+ var octetstring data;</span><br><span style="color: hsl(120, 100%, 40%);">+ var boolean ok;</span><br><span style="color: hsl(120, 100%, 40%);">+ var OCT4 tlli := '00000001'O;</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%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize the PCU interface abstraction */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init_raw(testcasename());</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('FFFFFFFF'O, 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%);">+ ok := f_establish_tbf(rr_imm_ass);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not ok) {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Failed to establish TBF");</span><br><span style="color: hsl(120, 100%, 40%);">+ mtc.stop;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ ok := f_imm_ass_verify_ul_tbf_ass(rr_imm_ass, ul_tbf_ass);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not ok) {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Immediate Assignment not an Uplink TBF");</span><br><span style="color: hsl(120, 100%, 40%);">+ mtc.stop;</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%);">+ /* Send one UL block and make sure it is ACKED fine */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_tx_rlcmac_ul_n_blocks(ul_tbf_ass, 1);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_rx_rlcmac_dl_block_exp_ack_nack(dl_block);</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(tlli, mp_gb_cfg.cell_id));</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Now 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(tlli, f_rnd_octstring(10)));</span><br><span style="color: hsl(120, 100%, 40%);">+ f_pcuif_rx_pch_imm_tbf_ass(rr_imm_ass);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ ok := f_imm_ass_verify_dl_tbf_ass(rr_imm_ass, dl_tbf_ass);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not ok) {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Immediate Assignment not a Downlink TBF");</span><br><span style="color: hsl(120, 100%, 40%);">+ mtc.stop;</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%);">+ /* TODO: ACK the assignment and the DL block somehow? */</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span> </span><br><span> control {</span><br><span> execute( TC_ns_reset() );</span><br><span>@@ -1070,6 +1158,7 @@</span><br><span> execute( TC_ta_ptcch_ul_multi_tbf() );</span><br><span> execute( TC_cs_lqual_ul_tbf() );</span><br><span> execute( TC_t3169() );</span><br><span style="color: hsl(120, 100%, 40%);">+ execute( TC_mo_ping_pong() );</span><br><span> }</span><br><span> </span><br><span> </span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/15681">change 15681</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://gerrit.osmocom.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/15681"/><meta itemprop="name" content="View Change"/></div></div>
<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: I3be5123ff5294e5851652ec14d54589442082b28 </div>
<div style="display:none"> Gerrit-Change-Number: 15681 </div>
<div style="display:none"> Gerrit-PatchSet: 7 </div>
<div style="display:none"> Gerrit-Owner: pespin <pespin@sysmocom.de> </div>
<div style="display:none"> Gerrit-Reviewer: Jenkins Builder </div>
<div style="display:none"> Gerrit-Reviewer: fixeria <axilirator@gmail.com> </div>
<div style="display:none"> Gerrit-Reviewer: laforge <laforge@osmocom.org> </div>
<div style="display:none"> Gerrit-Reviewer: osmith <osmith@sysmocom.de> </div>
<div style="display:none"> Gerrit-Reviewer: pespin <pespin@sysmocom.de> </div>
<div style="display:none"> Gerrit-MessageType: merged </div>