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

bsc-cbsp: Test BTS Failure+Restart when BTS becomes (un)available 

Related: SYS#5910
Change-Id: I35ddde7bc2e39d35c301f1153416b549ba1630cd
This commit is contained in:
Pau Espin 2022-06-10 17:00:30 +02:00 committed by laforge
parent f2c701df80
commit 2b33d4e2d3
2 changed files with 89 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

77
bsc/BSC_Tests_CBSP.ttcn
View File

@ -40,6 +40,10 @@ import from CBSP_CodecPort all;
import from Osmocom_VTY_Functions all;
import from TELNETasp_PortType all;
import from Osmocom_CTRL_Functions all;
import from Osmocom_CTRL_Types all;
import from Osmocom_CTRL_Adapter all;
modulepar {
charstring mp_cbc_ip := "127.0.0.1";
charstring mp_cbc_ip6 := "::1";
@ -47,6 +51,8 @@ modulepar {
charstring mp_bsc_cbsp_ip := "127.0.0.1";
charstring mp_bsc_cbsp_ip6 := "::1";
integer mp_bsc_cbsp_port := 48050;
/* port number to which to establish the IPA CTRL connection */
integer mp_bsc_ctrl_port := 4249;
/* BTS 0: 001-01-1-0 with CBCH
* BTS 1: 001-01-1-1 with CBCH
@ -536,6 +542,75 @@ testcase TC_cbsp_reset_bss() runs on cbsp_test_CT {
setverdict(pass);
}
/* Test if a LAC_CI FAILURE Ind is sent when TRX holding the CBCH is locked
* (becomes unavailable). LAC_CI RESTART Ind should be sent when the TRX becomes
* unlocked again. */
testcase TC_cbsp_cell_rflock_failure_restart() runs on cbsp_test_CT {
var template CBSP_PDU rx;
g_pars := valueof(ts_CBSP_Pars_default(false, 0, 0));
f_init();
/* Lock the TRX, CBCH should become unavailable and BSC send FAILURE */
f_ctrl_set(IPA_CTRL, "bts.0.trx.0.rf_locked", "1");
rx := tr_CBSP_FAILURE({CBSP_FailureListItem_LAC_CI(bssmap_lac_ci(mp_cgi_bts0),
CBSP_CAUSE_CB_NOT_OPERATIONAL)},
CBSP_BC_MSGT_CBS);
alt {
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], rx)) {
setverdict(pass);
}
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], ?)) {
setverdict(fail, "Received unexpected CBSP");
mtc.stop;
}
}
/* Unlock the TRX, CBCH should become available and BSC send RESTART */
f_ctrl_set(IPA_CTRL, "bts.0.trx.0.rf_locked", "0");
rx := tr_CBSP_RESTART(ts_BSSMAP_CIL_LAC_CI({bssmap_lac_ci(mp_cgi_bts0)}),
CBSP_BC_MSGT_CBS, ?);
alt {
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], rx)) {
setverdict(pass);
}
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], ?)) {
setverdict(fail, "Received unexpected CBSP");
mtc.stop;
}
}
setverdict(pass);
}
/* Test if a LAC_CI FAILURE Ind is sent when conn of TRX holding the CBCH goes down. */
testcase TC_cbsp_cell_rsl_down_failure() runs on cbsp_test_CT {
var template CBSP_PDU rx;
g_pars := valueof(ts_CBSP_Pars_default(false, 0, 0));
f_init();
/* Drop RSL link of the TRX holding the CBCH: */
f_ipa_rsl_stop(bts[0][0].rsl);
rx := tr_CBSP_FAILURE({CBSP_FailureListItem_LAC_CI(bssmap_lac_ci(mp_cgi_bts0),
CBSP_CAUSE_CB_NOT_OPERATIONAL)},
CBSP_BC_MSGT_CBS);
alt {
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], rx)) {
setverdict(pass);
}
[] CBSP[0].receive(tr_CBSP_Recv(g_cbsp_conn_id[0], ?)) {
setverdict(fail, "Received unexpected CBSP");
mtc.stop;
}
}
/* TODO: call f_init() again to reconnect? */
setverdict(pass);
}
testcase TC_cbsp_write() runs on cbsp_test_CT {
var template (value) CBSP_PDU tx;
var CBSP_IEs pages := {f_gen_page()};
@ -1081,6 +1156,8 @@ control {
execute( TC_cbsp_bsc_client() );
execute( TC_cbsp_bsc_client_ipv6() );
execute( TC_cbsp_reset_bss() );
execute( TC_cbsp_cell_rflock_failure_restart() );
execute( TC_cbsp_cell_rsl_down_failure() );
/* test various different types of Cell Identities */
execute( TC_cbsp_write_bss() );

12
library/CBSP_Templates.ttcn
View File

@ -134,6 +134,18 @@ template CBSP_IE tr_CbspFailList(template CBSP_FailureListItems items := ?) :=
list := items
}});
template (present) CBSP_FailureListItem CBSP_FailureListItem_LAC_CI(
template (present) BSSMAP_FIELD_CellIdentification_LAC_CI lac_ci := ?,
template (present) CBSP_Cause cause := ?) :=
{
spare1_4 := '0000'B,
cell_id_discr := '0001'B,
cell_id := {
cI_LAC_CI := lac_ci
},
cause := cause
};
template (value) CBSP_IE ts_CbspNumComplList(template (value) CBSP_IE_NumBcastComplList list) :=
ts_CBSP_IE(CBSP_IEI_NUM_BCAST_COMPL_LIST, {num_bcast_compl_list := list});
template CBSP_IE tr_CbspNumComplList(template CBSP_IE_NumBcastComplList list := ?) :=