pespin has submitted this change. (
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/19177 )
Change subject: pcu: Introduce test TC_ul_tbf_reestablish_with_pkt_resource_req
......................................................................
pcu: Introduce test TC_ul_tbf_reestablish_with_pkt_resource_req
Related: OS#4657
Change-Id: Ic251339afb9caa23d9a4e7bdb135d42a36a203d5
---
M pcu/GPRS_Components.ttcn
M pcu/PCU_Tests.ttcn
2 files changed, 68 insertions(+), 3 deletions(-)
Approvals:
laforge: Looks good to me, but someone else must approve
daniel: Looks good to me, approved
Jenkins Builder: Verified
diff --git a/pcu/GPRS_Components.ttcn b/pcu/GPRS_Components.ttcn
index 6018b7b..bba2c97 100644
--- a/pcu/GPRS_Components.ttcn
+++ b/pcu/GPRS_Components.ttcn
@@ -647,13 +647,14 @@
}
}
-function f_rx_rlcmac_dl_block_exp_ack_nack(out RlcmacDlBlock dl_block, out
uint32_t poll_fn)
+function f_rx_rlcmac_dl_block_exp_ack_nack(out RlcmacDlBlock dl_block, out
uint32_t poll_fn,
+ template RlcmacDlBlock acknack_tmpl
:= (tr_RLCMAC_UL_ACK_NACK_GPRS(ul_tfi := ?),
+
tr_RLCMAC_UL_ACK_NACK_EGPRS(ul_tfi := ?)))
runs on MS_BTS_IFACE_CT {
var uint32_t dl_fn;
f_rx_rlcmac_dl_block(dl_block, dl_fn);
- if (match(dl_block, tr_RLCMAC_UL_ACK_NACK_GPRS(ul_tfi := ?)) or
- match(dl_block, tr_RLCMAC_UL_ACK_NACK_EGPRS(ul_tfi := ?))) {
+ if (match(dl_block, acknack_tmpl)) {
poll_fn := f_rrbp_ack_fn(dl_fn, dl_block.ctrl.mac_hdr.rrbp);
return;
}
diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn
index 10a9275..42f3f2b 100644
--- a/pcu/PCU_Tests.ttcn
+++ b/pcu/PCU_Tests.ttcn
@@ -1592,6 +1592,70 @@
f_shutdown(__BFILE__, __LINE__, final := true);
}
+/* Test scenario where MS wants to request a new TBF once the current one is
+ * ending, by means of sending a Packet Resource Request on ul slot provided by
+ * last Pkt Ul ACK's RRBP.
+ * See 3GPP TS 44.060 sec 9.3.2.4.2 "Non-extended uplink TBF mode" */
+testcase TC_ul_tbf_reestablish_with_pkt_resource_req() runs on RAW_PCU_Test_CT
{
+ var CodingScheme exp_cs_mcs := CS_1;
+ var RlcmacDlBlock dl_block;
+ var octetstring data := f_rnd_octstring(10);
+ var uint32_t sched_fn;
+ var uint32_t dl_fn;
+ var template RlcmacDlBlock acknack_tmpl;
+ var GprsMS ms;
+
+ /* Initialize NS/BSSGP side */
+ f_init_bssgp();
+ /* Initialize GPRS MS side */
+ f_init_gprs_ms();
+ ms := g_ms[0]; /* We only use first MS in this test */
+
+ /* Initialize the PCU interface abstraction */
+ f_init_raw(testcasename());
+
+ /* Establish BSSGP connection to the PCU */
+ f_bssgp_establish();
+ f_bssgp_client_llgmm_assign('FFFFFFFF'O, ms.tlli);
+
+ /* Establish an Uplink TBF */
+ f_ms_establish_ul_tbf(ms);
+
+ /* Send one UL block (with TLLI since we are in One-Phase Access
+ contention resoultion) and make sure it is ACKED fine */
+ f_ms_tx_ul_data_block_multi(ms, 1, with_tlli := true);
+
+ /* UL block should be received in SGSN */
+ BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id));
+
+ acknack_tmpl := tr_RLCMAC_UL_ACK_NACK_GPRS(ms.ul_tbf.tfi,
+ tr_UlAckNackGprs(ms.tlli,
+
tr_AckNackDescription(final_ack := '1'B),
+
tr_UlAckNackGprsAdditionsRel99(tbf_est := true)))
+ f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn, acknack_tmpl);
+
+ /* TODO: verify TBF_EST and FinalACK are both '1' above */
+
+ /* Send PACKET RESOURCE REQUEST to request a new UL TBF */
+ f_ms_tx_ul_block(ms,
ts_RLC_UL_CTRL_ACK(valueof(ts_RlcMacUlCtrl_PKT_RES_REQ(ms.tlli, omit))),
sched_fn);
+ f_ms_rx_imm_ass_pacch(ms, sched_fn, tr_RLCMAC_UL_PACKET_ASS);
+ /* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */
+ f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn);
+
+ /* Send one UL block (without TLLI since we are in Second-Phase Access)
+ and make sure it is ACKED fine */
+ f_ms_tx_ul_data_block_multi(ms, 1, with_tlli := false); /* TODO: send
using cs_mcs */
+
+ /* UL block should be received in SGSN */
+ BSSGP[0].receive(tr_BSSGP_UL_UD(ms.tlli, mp_gb_cfg.cell_id));
+
+ f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn, acknack_tmpl);
+ /* ACK the ACK */
+ f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn);
+
+ f_shutdown(__BFILE__, __LINE__, final := true);
+}
+
private function f_pkt_paging_match_imsi(in PacketPagingReq req, hexstring
imsi)
runs on RAW_PCU_Test_CT {
var MobileIdentityLV_Paging mi_lv :=
req.repeated_pageinfo.cs.mobile_identity;
--
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: Ic251339afb9caa23d9a4e7bdb135d42a36a203d5
Gerrit-Change-Number: 19177
Gerrit-PatchSet: 3
Gerrit-Owner: pespin <[email protected]>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: daniel <[email protected]>
Gerrit-Reviewer: fixeria <[email protected]>
Gerrit-Reviewer: laforge <[email protected]>
Gerrit-Reviewer: lynxis lazus <[email protected]>
Gerrit-Reviewer: pespin <[email protected]>
Gerrit-MessageType: merged
