ttcn3
/
osmo-ttcn3-hacks
mirror of https://gerrit.osmocom.org/osmo-ttcn3-hacks
10
0
Fork 1
Code Issues Releases Wiki Activity

bsc: Introduce test TC_dyn_ts_sdcch8_act_deact 

Related: SYS#5309
Change-Id: I1c53c5d280ca07b000b1e951cfe1e9e5f47a2d86
This commit is contained in:
Pau Espin 2021-06-28 17:14:03 +02:00 committed by pespin
parent ec2e1f701d
commit 5b38108d71
1 changed files with 70 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
bsc/BSC_Tests.ttcn
View File

@ -6572,6 +6572,7 @@ private const charstring TCHF_MODE := "TCH/F mode";
private const charstring TCHH_MODE := "TCH/H mode";
private const charstring PDCH_MODE := "PDCH mode";
private const charstring NONE_MODE := "NONE mode";
private const charstring SDCCH8_MODE := "SDCCH8 mode";
/* Test IPA PDCH activation / deactivation triggered by VTY */
testcase TC_dyn_pdch_ipa_act_deact() runs on test_CT {
@ -6755,6 +6756,74 @@ testcase TC_dyn_pdch_osmo_act_nack() runs on test_CT {
f_shutdown_helper();
}
/* Test Osmocom dyn TS SDCCH8 activation / deactivation */
testcase TC_dyn_ts_sdcch8_act_deact() runs on test_CT {
var RSL_Message rsl_unused, rsl_msg;
var DchanTuple dt;
var BSSAP_N_CONNECT_ind rx_c_ind;
/* 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_ACK(dt.rsl_chan_nr, 2342));
rsl_msg := f_exp_ipa_rx(0, tr_RSL_IMM_ASSIGN(0));
f_ts_dyn_mode_assert(0, 0, dt.rsl_chan_nr.tn, SDCCH8_MODE);
f_ipa_tx(0, ts_RSL_EST_IND(dt.rsl_chan_nr, valueof(ts_RslLinkID_DCCH(0)), '1234'O));
BSSAP.receive(tr_BSSAP_CONNECT_ind(?, ?, tr_BSSMAP_ComplL3('1234'O))) -> value rx_c_ind;
dt.sccp_conn_id := rx_c_ind.connectionId;
BSSAP.send(ts_BSSAP_CONNECT_res(dt.sccp_conn_id));
/* Instruct BSC to clear channel */
var BssmapCause cause := 0;
BSSAP.send(ts_BSSAP_DATA_req(dt.sccp_conn_id, ts_BSSMAP_ClearCommand(cause)));
f_exp_chan_rel_and_clear(dt, 0);
/* 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) {
@ -9199,6 +9268,7 @@ control {
execute( TC_dyn_pdch_ipa_act_nack() );
execute( TC_dyn_pdch_osmo_act_deact() );
execute( TC_dyn_pdch_osmo_act_nack() );
execute( TC_dyn_ts_sdcch8_act_deact() );
execute( TC_chopped_ipa_ping() );
execute( TC_chopped_ipa_payload() );