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

bsc: test RR Channel Release cause codes from Clear Command cause codes 

Invoke Clear Command with various Cause codes and verify that the RR Channel
Release reflects them.

Depends: I734cc55c501d61bbdadee81a223b26f9df57f959 (osmo-bsc)
Change-Id: Ie6c99f28b610a67f2d59ec00b3541940e882251b
This commit is contained in:
Neels Hofmeyr 2020-07-11 02:57:04 +02:00 committed by laforge
parent 0edf4ac242
commit 95a5edc308
2 changed files with 89 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

77
bsc/BSC_Tests.ttcn
View File

@ -1499,7 +1499,8 @@ function f_expect_chan_rel(integer bts_nr, RslChannelNr rsl_chan_nr,
boolean expect_rll_rel_req := true,
boolean handle_rll_rel := true,
boolean is_csfb := false,
template CellSelIndValue csfb_expect_cells := omit
template CellSelIndValue csfb_expect_cells := omit,
template RR_Cause expect_rr_cause := ?
) runs on test_CT {
var RslLinkId main_dcch := valueof(ts_RslLinkID_DCCH(0));
@ -1507,6 +1508,9 @@ function f_expect_chan_rel(integer bts_nr, RslChannelNr rsl_chan_nr,
var boolean got_rr_chan_rel := false;
var boolean got_rll_rel_req := false;
var ASP_RSL_Unitdata ud;
var RSL_IE_Body l3_ie;
var PDU_ML3_NW_MS l3;
var RR_Cause got_cause;
log("f_expect_chan_rel() expecting: expect_deact_sacch=", expect_deact_sacch, " expect_rr_chan_rel=", expect_rr_chan_rel,
" expect_rll_rel_req=", expect_rll_rel_req);
alt {
@ -1517,13 +1521,13 @@ function f_expect_chan_rel(integer bts_nr, RslChannelNr rsl_chan_nr,
[is_csfb] IPA_RSL[bts_nr].receive(tr_ASP_RSL_UD(tr_RSL_DATA_REQ(rsl_chan_nr, ?, decmatch tr_RRM_RR_RELEASE_CSFB))) -> value ud {
got_rr_chan_rel := true;
if (f_rsl_find_ie(ud.rsl, RSL_IE_L3_INFO, l3_ie) == false) {
setverdict(fail, "cannot find L3");
mtc.stop;
}
l3 := dec_PDU_ML3_NW_MS(l3_ie.l3_info.payload);
if (not istemplatekind(csfb_expect_cells, "omit")) {
var RSL_IE_Body l3_ie;
if (f_rsl_find_ie(ud.rsl, RSL_IE_L3_INFO, l3_ie) == false) {
setverdict(fail, "cannot find L3");
mtc.stop;
}
var PDU_ML3_NW_MS l3 := dec_PDU_ML3_NW_MS(l3_ie.l3_info.payload);
var CellSelIndValue cells := dec_CellSelIndValue(
l3.msgs.rrm.channelRelease.cellSelectionIndicator.cellSelectionIndicatorValue);
@ -1535,10 +1539,38 @@ function f_expect_chan_rel(integer bts_nr, RslChannelNr rsl_chan_nr,
setverdict(fail, "Received CSFB cells list on RR Channel Release does not match expectations");
}
}
if (not istemplatekind(expect_rr_cause, "omit")) {
int2enum(oct2int(l3.msgs.rrm.channelRelease.rRCause.valuePart), got_cause);
log("GOT CAUSE CODE: ", l3.msgs.rrm.channelRelease.rRCause.valuePart, " = ", got_cause);
if (match(got_cause, expect_rr_cause)) {
setverdict(pass);
} else {
log("EXPECTED CAUSE CODE: ", expect_rr_cause);
setverdict(fail, "Received RR Channel Release Cause code does not match expectations");
}
}
repeat;
}
[not is_csfb] IPA_RSL[bts_nr].receive(tr_ASP_RSL_UD(tr_RSL_DATA_REQ(rsl_chan_nr, ?, decmatch tr_RRM_RR_RELEASE))) {
[not is_csfb] IPA_RSL[bts_nr].receive(tr_ASP_RSL_UD(tr_RSL_DATA_REQ(rsl_chan_nr, ?, decmatch tr_RRM_RR_RELEASE))) -> value ud {
got_rr_chan_rel := true;
if (not istemplatekind(expect_rr_cause, "omit")) {
if (f_rsl_find_ie(ud.rsl, RSL_IE_L3_INFO, l3_ie) == false) {
setverdict(fail, "cannot find L3");
mtc.stop;
}
l3 := dec_PDU_ML3_NW_MS(l3_ie.l3_info.payload);
int2enum(oct2int(l3.msgs.rrm.channelRelease.rRCause.valuePart), got_cause);
log("GOT CAUSE CODE: ", l3.msgs.rrm.channelRelease.rRCause.valuePart, " = ", got_cause);
if (match(got_cause, expect_rr_cause)) {
setverdict(pass);
} else {
log("EXPECTED CAUSE CODE: ", expect_rr_cause);
setverdict(fail, "Received RR Channel Release Cause code does not match expectations");
}
}
repeat;
}
[] IPA_RSL[bts_nr].receive(tr_ASP_RSL_UD(tr_RSL_REL_REQ(rsl_chan_nr, ?))) {
@ -1688,6 +1720,34 @@ testcase TC_chan_rel_sccp_tiar_timeout() runs on test_CT {
setverdict(pass);
}
private function f_tc_chan_rel_rr_cause(myBSSMAP_Cause clear_cmd_cause, template RR_Cause expect_rr_cause)
runs on test_CT
{
var DchanTuple dt;
dt := f_est_dchan('23'O, 23, '00010203040506'O);
var BssmapCause cause := 0;
BSSAP.send(ts_BSSAP_DATA_req(dt.sccp_conn_id, ts_BSSMAP_ClearCommand(enum2int(clear_cmd_cause))));
BSSAP.receive(tr_BSSAP_DATA_ind(dt.sccp_conn_id, tr_BSSMAP_ClearComplete)) {
BSSAP.send(ts_BSSAP_DISC_req(dt.sccp_conn_id, 0));
}
f_expect_chan_rel(0, dt.rsl_chan_nr, expect_rll_rel_req := false, expect_rr_cause := expect_rr_cause);
setverdict(pass);
}
/* Test that Clear Command cause codes affect the RR Channel Release cause code */
testcase TC_chan_rel_rr_cause() runs on test_CT {
f_init(1);
f_tc_chan_rel_rr_cause(GSM0808_CAUSE_CALL_CONTROL, GSM48_RR_CAUSE_NORMAL);
f_tc_chan_rel_rr_cause(GSM0808_CAUSE_HANDOVER_SUCCESSFUL, GSM48_RR_CAUSE_NORMAL);
f_tc_chan_rel_rr_cause(GSM0808_CAUSE_PREEMPTION, GSM48_RR_CAUSE_PREMPTIVE_REL);
f_tc_chan_rel_rr_cause(GSM0808_CAUSE_RADIO_INTERFACE_MESSAGE_FAILURE, GSM48_RR_CAUSE_PROT_ERROR_UNSPC);
f_tc_chan_rel_rr_cause(GSM0808_CAUSE_RADIO_INTERFACE_FAILURE, GSM48_RR_CAUSE_ABNORMAL_UNSPEC);
f_tc_chan_rel_rr_cause(GSM0808_CAUSE_EQUIPMENT_FAILURE, GSM48_RR_CAUSE_ABNORMAL_UNSPEC);
}
/* Test behavior if RSL EST IND for non-active channel */
testcase TC_rll_est_ind_inact_lchan() runs on test_CT {
timer T := 2.0;
@ -6231,6 +6291,7 @@ control {
execute( TC_chan_rel_hard_rlsd_ms_dead() );
execute( TC_chan_rel_a_reset() );
execute( TC_chan_rel_sccp_tiar_timeout() );
execute( TC_chan_rel_rr_cause() );
execute( TC_outbound_connect() );

20
library/GSM_RR_Types.ttcn
View File

@ -113,6 +113,26 @@ module GSM_RR_Types {
INTERSYS_TO_EUTRAN_HO_CMD ('01100110'B)
} with { variant "FIELDLENGTH(8)" };
type enumerated RR_Cause {
GSM48_RR_CAUSE_NORMAL ('00'O),
GSM48_RR_CAUSE_ABNORMAL_UNSPEC ('01'O),
GSM48_RR_CAUSE_ABNORMAL_UNACCT ('02'O),
GSM48_RR_CAUSE_ABNORMAL_TIMER ('03'O),
GSM48_RR_CAUSE_ABNORMAL_NOACT ('04'O),
GSM48_RR_CAUSE_PREMPTIVE_REL ('05'O),
GSM48_RR_CAUSE_HNDOVER_IMP ('08'O),
GSM48_RR_CAUSE_CHAN_MODE_UNACCT ('09'O),
GSM48_RR_CAUSE_FREQ_NOT_IMPL ('0a'O),
GSM48_RR_CAUSE_CALL_CLEARED ('41'O),
GSM48_RR_CAUSE_SEMANT_INCORR ('5f'O),
GSM48_RR_CAUSE_INVALID_MAND_INF ('60'O),
GSM48_RR_CAUSE_MSG_TYPE_N ('61'O),
GSM48_RR_CAUSE_MSG_TYPE_N_COMPAT('62'O),
GSM48_RR_CAUSE_COND_IE_ERROR ('64'O),
GSM48_RR_CAUSE_NO_CELL_ALLOC_A ('65'O),
GSM48_RR_CAUSE_PROT_ERROR_UNSPC ('6f'O)
} with { variant "FIELDLENGTH(8)" };
type octetstring RestOctets with { variant "PADDING(yes), PADDING_PATTERN('00101011'B)" };
type hexstring GsmBcdString with { variant "HEXORDER(low)" };
type GsmBcdString BcdMccMnc with { variant "FIELDLENGTH(6)" };