<p>fixeria has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/18187">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">PCU: introduce a new test case TC_dl_flow_more_blocks<br><br>Change-Id: I45edbc943194c15b084eb04dda390db75b4bfa0f<br>Signed-off-by: Vadim Yanitskiy <axilirator@gmail.com><br>Related: OS#4506<br>---<br>M pcu/PCU_Tests.ttcn<br>1 file changed, 82 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/87/18187/1</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 0a6b410..63e2542 100644</span><br><span>--- a/pcu/PCU_Tests.ttcn</span><br><span>+++ b/pcu/PCU_Tests.ttcn</span><br><span>@@ -1600,6 +1600,87 @@</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 scheduling of multiple Downlink data blocks during one RRBP. */</span><br><span style="color: hsl(120, 100%, 40%);">+testcase TC_dl_flow_more_blocks() runs on RAW_PCU_Test_CT {</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%);">+ var octetstring data := f_rnd_octstring(16);</span><br><span style="color: hsl(120, 100%, 40%);">+ var OCT4 tlli := f_rnd_octstring(4);</span><br><span style="color: hsl(120, 100%, 40%);">+ var PacketDlAssign dl_tbf_ass;</span><br><span style="color: hsl(120, 100%, 40%);">+ var GsmRrMessage rr_imm_ass;</span><br><span style="color: hsl(120, 100%, 40%);">+ var RlcmacDlBlock dl_block;</span><br><span style="color: hsl(120, 100%, 40%);">+ var uint32_t ack_fn;</span><br><span style="color: hsl(120, 100%, 40%);">+ var uint32_t fn;</span><br><span style="color: hsl(120, 100%, 40%);">+ timer T := 5.0;</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%);">+</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%);">+ /* Make sure we've got a Downlink TBF assignment with DL TFI */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_imm_ass_verify_dl_tbf_ass(rr_imm_ass, dl_tbf_ass);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not ispresent(dl_tbf_ass.group1)) {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Immediate Assignment contains no DL TFI");</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%);">+ /* Get DL TFI from received Downlink TBF assignment */</span><br><span style="color: hsl(120, 100%, 40%);">+ var uint5_t tfi := dl_tbf_ass.group1.tfi_assignment;</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%);">+ /* Expect the first (GPRS DL) block with bsn=0 and rrbp_valid=1 */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_rx_rlcmac_dl_block_exp_data(dl_block, fn, data, 0);</span><br><span style="color: hsl(120, 100%, 40%);">+ ack_nack_desc.receive_block_bitmap[63] := '1'B;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* TDMA frame number on which we are supposed to send the ACK */</span><br><span style="color: hsl(120, 100%, 40%);">+ ack_fn := f_dl_block_ack_fn(dl_block, fn);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* SGSN sends more blocks during the indicated RRBP */</span><br><span style="color: hsl(120, 100%, 40%);">+ for (var integer bsn := 1; bsn < 63; bsn := bsn + 1) {</span><br><span style="color: hsl(120, 100%, 40%);">+ data := f_rnd_octstring(16); /* Random LLC data */</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%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ f_rx_rlcmac_dl_block_exp_data(dl_block, fn, data, bsn);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Make sure this block has the same TFI as was assigned</span><br><span style="color: hsl(120, 100%, 40%);">+ * FIXME: this is only valid for GPRS, not EGPRS. */</span><br><span style="color: hsl(120, 100%, 40%);">+ if (dl_block.data.mac_hdr.hdr_ext.tfi != tfi) {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Rx DL data block with unexpected TFI: ",</span><br><span style="color: hsl(120, 100%, 40%);">+ dl_block.data.mac_hdr.hdr_ext.tfi);</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%);">+ /* Keep Ack/Nack description updated */</span><br><span style="color: hsl(120, 100%, 40%);">+ ack_nack_desc.receive_block_bitmap[63 - bsn] := '1'B;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Break if this is the end of RRBP */</span><br><span style="color: hsl(120, 100%, 40%);">+ if (fn == ack_fn) {</span><br><span style="color: hsl(120, 100%, 40%);">+ ack_nack_desc.starting_seq_nr := bsn + 1;</span><br><span style="color: hsl(120, 100%, 40%);">+ break;</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%);">+ /* This is the end of RRBP, send Packet Downlink Ack/Nack */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_tx_rlcmac_ul_block(ts_RLCMAC_DL_ACK_NACK(tfi, ack_nack_desc), fn := fn);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Unrelated: for some reason, PCU wants to send us another block with bsn=4</span><br><span style="color: hsl(120, 100%, 40%);">+ * containing just padding '43C0012B2B...'O. Is there any reason for that? */</span><br><span style="color: hsl(120, 100%, 40%);">+ // f_rx_rlcmac_dl_block(dl_block, 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 style="color: hsl(120, 100%, 40%);">+</span><br><span> private function f_pkt_paging_match_imsi(in PacketPagingReq req, hexstring imsi)</span><br><span> runs on RAW_PCU_Test_CT {</span><br><span> var MobileIdentityLV_Paging mi_lv := req.repeated_pageinfo.cs.mobile_identity;</span><br><span>@@ -1930,6 +2011,7 @@</span><br><span> execute( TC_mt_ping_pong() );</span><br><span> execute( TC_mt_ping_pong_with_dl_racap() );</span><br><span> execute( TC_imm_ass_dl_block_retrans() );</span><br><span style="color: hsl(120, 100%, 40%);">+ execute( TC_dl_flow_more_blocks() );</span><br><span> execute( TC_paging_cs_from_bts() );</span><br><span> execute( TC_paging_cs_from_sgsn_sign_ptmsi() );</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/+/18187">change 18187</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/+/18187"/><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: I45edbc943194c15b084eb04dda390db75b4bfa0f </div>
<div style="display:none"> Gerrit-Change-Number: 18187 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: fixeria <axilirator@gmail.com> </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>