pespin has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/24798 )
Change subject: bsc: Introduce test TC_dyn_ts_sdcch8_act_nack
......................................................................
bsc: Introduce test TC_dyn_ts_sdcch8_act_nack
Change-Id: I388677c90203853fae584ca60d0e6645bb4ad675
Related: SYS#5309
---
M bsc/BSC_Tests.ttcn
1 file changed, 66 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks
refs/changes/98/24798/1
diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index 31e004b..5f58a9e 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -6824,6 +6824,71 @@
f_shutdown_helper();
}
+/* Test Osmocom dyn TS SDCCH8 activation / deactivation when SDCCH fails at
BTS */
+testcase TC_dyn_ts_sdcch8_act_nack() runs on test_CT {
+ var RSL_Message rsl_unused, rsl_msg;
+ var DchanTuple dt;
+ var BSSAP_N_CONNECT_ind rx_c_ind;
+ var GsmRrMessage rr;
+
+ /* change Timeslot 6 before f_init() starts RSL */
+ f_init_vty();
+ f_ts_set_chcomb(0, 0, 6, "TCH/F_TCH/H_SDCCH8_PDCH");
+ f_vty_transceive(BSCVTY, "drop bts connection 0 oml");
+
+ f_init(1, false);
+ f_sleep(1.0);
+
+ var RslChannelNr pdch_chan_nr := valueof(t_RslChanNr_PDCH(6));
+
+ log("TCH/F_TCH/H_SDCCH8_PDCH pchan starts out in disabled mode:");
+ f_ts_dyn_mode_assert(0, 0, pdch_chan_nr.tn, NONE_MODE);
+ /* The BSC will activate the dynamic PDCH by default, so confirm that */
+ rsl_unused := f_exp_ipa_rx(0, tr_RSL_CHAN_ACT_PDCH(pdch_chan_nr, ?));
+
+ f_ipa_tx(0, ts_RSL_CHAN_ACT_ACK(pdch_chan_nr, 2342));
+ f_sleep(1.0);
+ log("TCH/F_TCH/H_SDCCH8_PDC requested to PDCH ACT on startup, which was
ACKed, so now in PDCH:");
+ f_ts_dyn_mode_assert(0, 0, pdch_chan_nr.tn, PDCH_MODE);
+
+ /* Fill TS0 SDCCH channels (NOTE: only 3 SDCCH/4 channels are available
+ * on CCCH+SDCCH4+CBCH) */
+ var integer i;
+ for (i := 0; i < 3; i := i + 1) {
+ dt := f_est_dchan('23'O, i, '00010203040506'O);
+ }
+
+ /* Now the dyn ts is selected. First PDCH is released, then sdcch chan
is activated */
+ f_ipa_tx(0, ts_RSL_CHAN_RQD(int2oct(oct2int('23'O) + i, 1), 2342));
+ rsl_unused := f_exp_ipa_rx(0, tr_RSL_RF_CHAN_REL(pdch_chan_nr));
+ f_ipa_tx(0, ts_RSL_RF_CHAN_REL_ACK(pdch_chan_nr));
+
+ rsl_msg := f_exp_ipa_rx(0, tr_RSL_MsgTypeD(RSL_MT_CHAN_ACTIV));
+ dt.rsl_chan_nr := rsl_msg.ies[0].body.chan_nr;
+
+ f_ts_dyn_mode_assert(0, 0, dt.rsl_chan_nr.tn, SDCCH8_MODE);
+ f_ipa_tx(0, ts_RSL_CHAN_ACT_NACK(dt.rsl_chan_nr,
RSL_ERR_EQUIPMENT_FAIL));
+ rsl_msg := f_exp_ipa_rx(0, tr_RSL_IMM_ASSIGN(0));
+ rr := dec_GsmRrMessage(rsl_msg.ies[1].body.full_imm_ass_info.payload);
+ if (rr.header.message_type != IMMEDIATE_ASSIGNMENT_REJECT) {
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "Expected
reject");
+ }
+
+ /* FIXME? Currently the TS stays in state BORKEN: */
+
+ /* The BSC will switch the TS back to PDCH once the only lchan using it
is released: */
+ /* rsl_unused := f_exp_ipa_rx(0, tr_RSL_CHAN_ACT_PDCH(pdch_chan_nr, ?));
+ * f_ipa_tx(0, ts_RSL_CHAN_ACT_ACK(pdch_chan_nr, 2342));
+ * f_sleep(1.0);
+ * f_ts_dyn_mode_assert(0, 0, pdch_chan_nr.tn, PDCH_MODE)
+ */
+
+ /* clean up config */
+ f_ts_set_chcomb(0, 0, 6, "PDCH");
+
+ f_shutdown_helper();
+}
+
testcase TC_chopped_ipa_ping() runs on test_CT {
const Integers bsc_ipa_ports := {mp_bsc_rsl_port, mp_bsc_oml_port,
mp_bsc_ctrl_port};
for (var integer i := 0; i < lengthof(bsc_ipa_ports); i := i + 1) {
@@ -9269,6 +9334,7 @@
execute( TC_dyn_pdch_osmo_act_deact() );
execute( TC_dyn_pdch_osmo_act_nack() );
execute( TC_dyn_ts_sdcch8_act_deact() );
+ execute( TC_dyn_ts_sdcch8_act_nack() );
execute( TC_chopped_ipa_ping() );
execute( TC_chopped_ipa_payload() );
--
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I388677c90203853fae584ca60d0e6645bb4ad675
Gerrit-Change-Number: 24798
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <[email protected]>
Gerrit-MessageType: newchange
