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Stefan Sperling gerrit-no-reply at lists.osmocom.orgStefan Sperling has submitted this change and it was merged. ( https://gerrit.osmocom.org/9374 )
Change subject: start implementing the TC_paging() PCU test
......................................................................
start implementing the TC_paging() PCU test
Implement a basic paging test for the PCU, which is passing for paging
via TMSI (but only if osmo-pcu is started after the test is started).
Previously, this test code amounted to a debugging loop which
never terminated.
Change-Id: Id0384e0742ab91983615e4f1c883bb044c1c8b18
Related: OS#2404
---
M library/L3_Templates.ttcn
M pcu/PCU_Tests.ttcn
M pcu/expected-results.xml
3 files changed, 67 insertions(+), 15 deletions(-)
Approvals:
Harald Welte: Looks good to me, approved
Jenkins Builder: Verified
diff --git a/library/L3_Templates.ttcn b/library/L3_Templates.ttcn
index e109fde..3918f3d 100644
--- a/library/L3_Templates.ttcn
+++ b/library/L3_Templates.ttcn
@@ -303,6 +303,22 @@
}
}
+/* Template for receiving a Paging Request Type1 message with a given TMSI in the first mobile identity. */
+template MobileL3_CommonIE_Types.MobileIdentityLV tr_PAGING_REQ1_MI1_TMSI(octetstring tmsi) := {
+ lengthIndicator := 5,
+ mobileIdentityV := {
+ typeOfIdentity := '100'B,
+ oddEvenInd_identity := {
+ tmsi_ptmsi := {
+ oddevenIndicator := '0'B,
+ fillerDigit := '1111'B,
+ octets := tmsi
+ }
+ }
+ }
+
+}
+
template PDU_ML3_NW_MS tr_PAGING_REQ2(template TMSIP_TMSI_V mi1 := ?,
template TMSIP_TMSI_V mi2 := ?,
template MobileIdentityTLV mi3 := *) := {
diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn
index adbc73e..6e8185d 100644
--- a/pcu/PCU_Tests.ttcn
+++ b/pcu/PCU_Tests.ttcn
@@ -17,6 +17,9 @@
import from GPRS_Context all;
import from GPRS_TBF all;
import from L1CTL_PortType all;
+ import from MobileL3_Types all;
+ import from MobileL3_CommonIE_Types all;
+ import from L3_Templates all;
modulepar {
BssgpConfig mp_gb_cfg := {
@@ -207,27 +210,58 @@
log("BSSGP successfully initialized");
}
+ function f_wait_paging_req_type1(hexstring expected_tmsi) runs on dummy_CT {
+ var LAPDm_ph_data ph_data;
+ timer T := 5.0;
+
+ T.start;
+ alt {
+ [] L1.receive(LAPDm_ph_data:{sacch:=?,sapi:=0,lapdm:={bbis:=?}}) -> value ph_data {
+ var octetstring payload := substr(ph_data.lapdm.bbis.payload, 1, lengthof(ph_data.lapdm.bbis.payload) - 1);
+ var PDU_ML3_NW_MS pdu;
+
+ if (dec_PDU_ML3_NW_MS_backtrack(payload, pdu) != 0) {
+ repeat;
+ }
+
+ if (not ischosen(pdu.msgs.rrm)) {
+ repeat;
+ }
+
+ if (match(pdu, tr_PAGING_REQ1(tr_PAGING_REQ1_MI1_TMSI(hex2oct(expected_tmsi))))) {
+ setverdict(pass);
+ } else {
+ repeat;
+ }
+ }
+ [] L1.receive { repeat; }
+ [] T.timeout { setverdict(fail); }
+ }
+ }
+
/* Send PS-PAGING via BSSGP to PCU, expect it to show up on L1/Um */
testcase TC_paging() runs on dummy_CT {
- var GsmTmsi tmsi := hex2int('01234567'H);
+ var hexstring tmsi_hex := '01234567'H;
+ var GsmTmsi tmsi := hex2int(tmsi_hex);
+
g_mmctx.imsi := '262420123456789'H;
g_mmctx.tlli := f_random_tlli();
f_init();
- /* Send paging on signalling BVCI 0 since osmo-pcu does not support paging on PTP yet. */
- BSSGP_SIG[0].send(ts_BSSGP_PS_PAGING_IMSI(0, g_mmctx.imsi));
- BSSGP_SIG[0].send(ts_BSSGP_PS_PAGING_PTMSI(0, g_mmctx.imsi, tmsi));
+ var BCCH_tune_req tune_req := { { false, 871 }, true };
+ L1.send(tune_req);
+ /* FIXME: wait for confirm */
- while (true) {
- var BssgpDecoded bd;
- alt {
- [] BSSGP[0].receive(tr_BD_L3_MT(?)) -> value bd {
- log("BSSGP Rx: ", bd);
- }
- [] BSSGP[0].receive(t_BssgpStsInd(?, ?, BVC_S_UNBLOCKED)) { repeat; }
- [] BSSGP[0].receive { repeat; }
- }
- }
+ /* Send paging on signalling BVCI 0 since osmo-pcu does not support paging on PTP yet. */
+ /*
+ TODO: Paging by IMSI does not work yet because osmo-pcu does not copy IMSI into paging requests.
+ BSSGP_SIG[0].send(ts_BSSGP_PS_PAGING_IMSI(0, g_mmctx.imsi));
+ f_wait_paging_req_type1(hex2oct(g_mmctx.imsi));
+ */
+
+ /* Page by TMSI */
+ BSSGP_SIG[0].send(ts_BSSGP_PS_PAGING_PTMSI(0, g_mmctx.imsi, tmsi));
+ f_wait_paging_req_type1(tmsi_hex);
}
/* Establish an UL TBF: Tune to ARFCN, send RACH, receive AGCH, enable TBF Rx */
@@ -633,5 +667,6 @@
execute(TC_selftest_ns());
execute(TC_ul_tbf_single_llc_sizes());
execute(TC_ul_tbf());
+ execute(TC_paging());
}
};
diff --git a/pcu/expected-results.xml b/pcu/expected-results.xml
index aec661d..e9610bd 100644
--- a/pcu/expected-results.xml
+++ b/pcu/expected-results.xml
@@ -1,6 +1,7 @@
<?xml version="1.0"?>
-<testsuite name='PCU_Tests' tests='3' failures='0' errors='0' skipped='0' inconc='0' time='MASKED'>
+<testsuite name='PCU_Tests' tests='4' failures='0' errors='0' skipped='0' inconc='0' time='MASKED'>
<testcase classname='PCU_Tests' name='TC_ul_tbf_single_llc_sizes' time='MASKED'/>
<testcase classname='PCU_Tests' name='TC_ul_tbf' time='MASKED'/>
<testcase classname='PCU_Tests' name='TC_selftest_ns' time='MASKED'/>
+ <testcase classname='PCU_Tests' name='TC_paging' time='MASKED'/>
</testsuite>
--
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: Id0384e0742ab91983615e4f1c883bb044c1c8b18
Gerrit-Change-Number: 9374
Gerrit-PatchSet: 7
Gerrit-Owner: Stefan Sperling <ssperling at sysmocom.de>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder (1000002)
Gerrit-Reviewer: Max <msuraev at sysmocom.de>
Gerrit-Reviewer: Stefan Sperling <ssperling at sysmocom.de>
Gerrit-CC: Neels Hofmeyr <nhofmeyr at sysmocom.de>
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