This is merely a historical archive of years 2008-2021, before the migration to mailman3.
A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/gerrit-log@lists.osmocom.org/.
pespin gerrit-no-reply at lists.osmocom.orgpespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/23811 )
Change subject: pcu: Introduce test TC_n3103_max_t3169
......................................................................
pcu: Introduce test TC_n3103_max_t3169
Related: OS#5033
Change-Id: I90661ce249ff2a2040b9e82688cf413eb65e0c8e
---
M pcu/PCU_Tests.ttcn
1 file changed, 103 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/11/23811/1
diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn
index cbd3dc1..37f0f7e 100644
--- a/pcu/PCU_Tests.ttcn
+++ b/pcu/PCU_Tests.ttcn
@@ -1418,6 +1418,108 @@
f_shutdown(__BFILE__, __LINE__, final := true);
}
+
+/* Verify after N3103_MAX is reached, T3169 is started and upon timeout TBF is
+ freed and no longer available. Trigger it by sending a few UL blocks CTRL ACKING
+ the final UL ACK sent at us. */
+testcase TC_n3103_max_t3169() runs on RAW_PCU_Test_CT {
+ var PCUIF_info_ind info_ind;
+ var BTS_PDTCH_Block data_msg;
+ var RlcmacDlBlock dl_block;
+ var uint32_t sched_fn;
+ var template (value) TsTrxBtsNum nr;
+ var template RlcmacDlBlock exp_ul_ack;
+ var template UlAckNackGprs exp_ul_ack_sub;
+ var GprsMS ms;
+ const integer N3103_MAX := 2; /* N3103 is usually somewhere 2-5 */
+ var integer N3103 := 0;
+ timer T_3169 := 1.0;
+
+ /* 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 */
+ info_ind := valueof(ts_PCUIF_INFO_default(c_PCUIF_Flags_noMCS));
+ info_ind.n3103 := N3103_MAX;
+ info_ind.t3169 := 1;
+ f_init_raw(testcasename(), info_ind);
+
+ /* Establish an Uplink TBF */
+ f_ms_establish_ul_tbf(ms);
+
+ f_ms_tx_ul_data_block_multi(ms, 5);
+ exp_ul_ack_sub := tr_UlAckNackGprs(*, tr_AckNackDescription('1'B), *);
+ exp_ul_ack := tr_RLCMAC_UL_ACK_NACK_GPRS(ms.ul_tbf.tfi, exp_ul_ack_sub);
+
+ nr := ts_TsTrxBtsNum;
+ BTS.send(ts_PCUIF_RTS_REQ(nr.bts_nr, nr.trx_nr, nr.ts_nr,
+ sapi := PCU_IF_SAPI_PDTCH, fn := 0,
+ arfcn := f_trxnr2arfcn(valueof(nr.trx_nr)),
+ block_nr := nr.blk_nr));
+ alt {
+ [N3103 < N3103_MAX] BTS.receive(tr_PCUIF_DATA_PDTCH(nr.bts_nr,
+ tr_PCUIF_DATA(nr.trx_nr, nr.ts_nr, sapi := PCU_IF_SAPI_PDTCH),
+ exp_ul_ack)) -> value data_msg {
+ if (not f_dl_block_rrbp_valid(data_msg.dl_block)) {
+ setverdict(fail, "Unexpected DL BLOCK has no RRBP: ", data_msg.dl_block);
+ f_shutdown(__BFILE__, __LINE__);
+ }
+
+ nr := ts_TsTrxBtsNum;
+ BTS.send(ts_PCUIF_RTS_REQ(nr.bts_nr, nr.trx_nr, nr.ts_nr,
+ sapi := PCU_IF_SAPI_PDTCH, fn := 0,
+ arfcn := f_trxnr2arfcn(valueof(nr.trx_nr)),
+ block_nr := nr.blk_nr));
+ N3103 := N3103 + 1;
+ if (N3103 == N3103_MAX) {
+ /* At this point in time (N3103_MAX reached), PCU is
+ moving the TBF to RELEASE state so no data/ctrl for
+ it is tx'ed, hence the dummy blocks: */
+ T_3169.start;
+ }
+ repeat;
+ }
+ [N3103 >= N3103_MAX] BTS.receive(tr_PCUIF_DATA_PDTCH(nr.bts_nr,
+ tr_PCUIF_DATA(nr.trx_nr, nr.ts_nr, sapi := PCU_IF_SAPI_PDTCH),
+ exp_ul_ack)) -> value data_msg {
+ setverdict(fail, "Unexpected UL ACK/NACK after reaching N3103_MAX");
+ f_shutdown(__BFILE__, __LINE__);
+ }
+ [] as_ms_rx_ignore_dummy(ms, nr);
+ [T_3169.running] T_3169.timeout {
+ log("T_3169 timeout");
+ /* Done in alt, wait for pending RTS initiated previously in
+ above case before continuing (expect /* Dummy block): */
+ BTS.receive(tr_PCUIF_DATA_PDTCH(nr.bts_nr,
+ tr_PCUIF_DATA(nr.trx_nr, nr.ts_nr, sapi := PCU_IF_SAPI_PDTCH),
+ tr_RLCMAC_DUMMY_CTRL));
+ }
+ [] BTS.receive {
+ setverdict(fail, "Unexpected BTS message");
+ f_shutdown(__BFILE__, __LINE__);
+ }
+ }
+
+ /* Now that T3169 has expired, establishing a Ul TBF should provide same
+ /* USFs as per previous TBF since they were freed at expiration time: */
+ var uint3_t old_usf[8] := ms.ul_tbf.usf;
+ var uint5_t old_tfi := ms.ul_tbf.tfi;
+ f_ms_establish_ul_tbf(ms);
+ if (old_tfi != ms.ul_tbf.tfi) {
+ setverdict(fail, "Unexpected TFI change: ", ms.ul_tbf.tfi, " vs exp ", old_tfi);
+ f_shutdown(__BFILE__, __LINE__);
+ }
+ for (var integer i := 0; i < 8; i := i +1) {
+ if (ms.ul_tbf.usf[i] != old_usf[i]) {
+ setverdict(fail, "Unexpected USF change: ", ms.ul_tbf.usf[i], " vs exp ", old_usf[i]);
+ f_shutdown(__BFILE__, __LINE__);
+ }
+ }
+
+ f_shutdown(__BFILE__, __LINE__, final := true);
+}
+
/* Verify that a Downlink TBF is kept available until T3191 fires, at which
* point the TBF is no longer available. In order to get to start of T3191, we
* have to wait for x2031 since that marks the IDLE TBF time, that is, the delay
@@ -5667,6 +5769,7 @@
execute( TC_mcs_max_dl() );
execute( TC_t3169() );
execute( TC_n3101_max_t3169() );
+ execute( TC_n3103_max_t3169() );
execute( TC_x2031_t3191() );
execute( TC_zero_x2031_t3191() );
execute( TC_t3193() );
--
To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/23811
To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings
Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I90661ce249ff2a2040b9e82688cf413eb65e0c8e
Gerrit-Change-Number: 23811
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newchange
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210420/4273a44c/attachment.htm>