<p>pespin <strong>submitted</strong> this change.</p><p><a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/17525">View Change</a></p><div style="white-space:pre-wrap">Approvals:
Jenkins Builder: Verified
laforge: Looks good to me, but someone else must approve
fixeria: Looks good to me, approved
</div><pre style="font-family: monospace,monospace; white-space: pre-wrap;">pcu: Introduce TC_mt_ping_pong<br><br>Change-Id: I0cbf4ac78e4c89f21b8c2b92eba1783667501e64<br>---<br>M pcu/PCU_Tests_RAW.ttcn<br>1 file changed, 66 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 ab412c4..a9f60cd 100644</span><br><span>--- a/pcu/PCU_Tests_RAW.ttcn</span><br><span>+++ b/pcu/PCU_Tests_RAW.ttcn</span><br><span>@@ -1199,6 +1199,71 @@</span><br><span> f_tx_rlcmac_ul_block(ts_RLCMAC_DL_ACK_NACK(dl_block.data.mac_hdr.hdr_ext.tfi, ack_nack_desc), 0, sched_fn);</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+/* Test scenario where SGSN wants to send some data against MS and it is</span><br><span style="color: hsl(120, 100%, 40%);">+ * answered by the MS on PDCH, so TBFs for downlink and later for uplink are created.</span><br><span style="color: hsl(120, 100%, 40%);">+ */</span><br><span style="color: hsl(120, 100%, 40%);">+testcase TC_mt_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 := f_rnd_octstring(10);</span><br><span style="color: hsl(120, 100%, 40%);">+ var boolean ok;</span><br><span style="color: hsl(120, 100%, 40%);">+ var uint32_t sched_fn;</span><br><span style="color: hsl(120, 100%, 40%);">+ var OCT4 tlli := '00000001'O;</span><br><span style="color: hsl(120, 100%, 40%);">+ var AckNackDescription ack_nack_desc := valueof(t_AckNackDescription_init);</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%);">+ /* 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, data));</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%);">+ /* 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, sched_fn, data, 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(ack_nack_desc, dl_block.data.mac_hdr.hdr_ext.bsn, '1'B);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_tx_rlcmac_ul_block(ts_RLCMAC_DL_ACK_NACK(dl_block.data.mac_hdr.hdr_ext.tfi, ack_nack_desc), 0, sched_fn);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Now MS wants to answer the DL data, 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, sched_fn);</span><br><span style="color: hsl(120, 100%, 40%);">+ /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_tx_rlcmac_ul_block(ts_RLCMAC_CTRL_ACK(tlli), 0, sched_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(tlli, mp_gb_cfg.cell_id));</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> /* Verify that if PCU doesn't get an ACK for first DL block after IMM ASS, it</span><br><span> * will retry by retransmitting both the IMM ASS + DL block after poll (ack)</span><br><span> * timeout occurs (specified by sent RRBP on DL block). */</span><br><span>@@ -1437,6 +1502,7 @@</span><br><span> execute( TC_t3169() );</span><br><span> execute( TC_t3193() );</span><br><span> execute( TC_mo_ping_pong() );</span><br><span style="color: hsl(120, 100%, 40%);">+ execute( TC_mt_ping_pong() );</span><br><span> execute( TC_imm_ass_dl_block_retrans() );</span><br><span> execute( TC_paging_cs_from_bts() );</span><br><span> execute (TC_paging_cs_from_sgsn_sign() );</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/17525">change 17525</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/+/17525"/><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: I0cbf4ac78e4c89f21b8c2b92eba1783667501e64 </div>
<div style="display:none"> Gerrit-Change-Number: 17525 </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-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: pespin <pespin@sysmocom.de> </div>
<div style="display:none"> Gerrit-MessageType: merged </div>