laforge has submitted this change. (
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/16528 )
Change subject: pcu: Introduce tests for CS and PS paging from SGSN/Gb
......................................................................
pcu: Introduce tests for CS and PS paging from SGSN/Gb
CS Gb paging and PTP CS/PS paging implemented in osmo-pcu:
I9501e02e1d7f6944497e724dbccb9a19c3f5221f
I5c52b5af740460c48bb3ba858243b1d20e624268
Related: OS#3927, OS#2406
Change-Id: I90b5a792c1d91e38ea7b8c060ff0b459673df951
---
M library/GSM_RR_Types.ttcn
M library/Osmocom_Gb_Types.ttcn
M pcu/PCU_Tests_RAW.ttcn
3 files changed, 171 insertions(+), 0 deletions(-)
Approvals:
Jenkins Builder: Verified
laforge: Looks good to me, approved
diff --git a/library/GSM_RR_Types.ttcn b/library/GSM_RR_Types.ttcn
index 965708f..f5eeda5 100644
--- a/library/GSM_RR_Types.ttcn
+++ b/library/GSM_RR_Types.ttcn
@@ -911,6 +911,22 @@
}
};
+ template GsmRrMessage tr_PAG_REQ1(template MobileIdentityLV mi1 := ?)
:= {
+ header := t_RrHeader(PAGING_REQUEST_TYPE_1, ?),
+ payload := {
+ pag_req_1 := {
+ chan_needed := {
+ second := ?,
+ first := ?
+ },
+ page_mode := PAGE_MODE_NORMAL,
+ mi1 := mi1,
+ mi2 := omit,
+ rest_octets := ?
+ }
+ }
+ };
+
template (value) GsmRrL3Message ts_MEAS_REP(boolean valid, uint6_t
rxl_f, uint6_t rxl_s,
uint3_t rxq_f, uint3_t rxq_s,
template (omit) NcellReports
reps) := {
diff --git a/library/Osmocom_Gb_Types.ttcn b/library/Osmocom_Gb_Types.ttcn
index 55a2816..3149e77 100644
--- a/library/Osmocom_Gb_Types.ttcn
+++ b/library/Osmocom_Gb_Types.ttcn
@@ -1121,6 +1121,18 @@
delay_Value := f_oct_or_wc(delay, 2)
}
+ template DRX_Parameters t_defaultDRXparam := {
+ iEI := '0A'O,
+ ext := '1'B,
+ lengthIndicator := {
+ length1 := 2
+ },
+ splitPG_CycleCode := '00'O,
+ nonDRXTimer := '000'B,
+ splitOnCCCH := '0'B,
+ cnSpecificDRXCycleLength := '0000'B
+ }
+
template PDU_BSSGP ts_BSSGP_DL_UD(GprsTlli tlli, octetstring pdu) := {
pDU_BSSGP_DL_UNITDATA := {
bssgpPduType := '00'O,
@@ -1220,6 +1232,38 @@
}
}
+ template PDU_BSSGP tr_BSSGP_CS_PAGING(BssgpBvci bvci) := {
+ pDU_BSSGP_PAGING_CS := {
+ bssgpPduType := '07'O,
+ iMSI := ?,
+ dRX_Parameters := ?,
+ paging_Field4 := {
+ bVCI := t_BSSGP_BVCI(bvci)
+ },
+ tLLI := *,
+ channel_needed := *,
+ eMLPP_Priority := *,
+ tMSI := *,
+ global_CN_Id := *
+ }
+ }
+
+ template PDU_BSSGP ts_BSSGP_CS_PAGING_IMSI(BssgpBvci bvci, hexstring
imsi) := {
+ pDU_BSSGP_PAGING_CS := {
+ bssgpPduType := '07'O,
+ iMSI := ts_BSSGP_IMSI(imsi),
+ dRX_Parameters := t_defaultDRXparam,
+ paging_Field4 := {
+ bVCI := t_BSSGP_BVCI(bvci)
+ },
+ tLLI := omit,
+ channel_needed := omit,
+ eMLPP_Priority := omit,
+ tMSI := omit,
+ global_CN_Id := omit
+ }
+ }
+
template PDU_BSSGP tr_BSSGP_PS_PAGING(BssgpBvci bvci) := {
pDU_BSSGP_PAGING_PS := {
bssgpPduType := '06'O,
diff --git a/pcu/PCU_Tests_RAW.ttcn b/pcu/PCU_Tests_RAW.ttcn
index c41a244..ff609fe 100644
--- a/pcu/PCU_Tests_RAW.ttcn
+++ b/pcu/PCU_Tests_RAW.ttcn
@@ -738,6 +738,24 @@
fn := 0, arfcn := 871, sapi :=
PCU_IF_SAPI_PCH, data := macblock));
}
+/* Expect a Paging Request Type 1 from PCU on PCUIF on specified sapi. */
+private function f_pcuif_rx_pch_pag_req1(out GsmRrMessage rr_pag_req1)
+runs on RAW_PCU_Test_CT {
+ var PCUIF_Message pcu_msg;
+ var octetstring macblock;
+ BTS.receive(tr_PCUIF_DATA_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 0,
+ sapi := PCU_IF_SAPI_PCH)) -> value
pcu_msg;
+ /* First 3 bytes contain paging group: */
+ macblock := substr(pcu_msg.u.data_req.data, 3, pcu_msg.u.data_req.len -
3);
+ rr_pag_req1 := dec_GsmRrMessage(macblock);
+ if (not match(rr_pag_req1, tr_PAG_REQ1())) {
+ setverdict(fail, "Failed to match Paging Request Type 1: ",
rr_pag_req1);
+ mtc.stop;
+ }
+ BTS.send(ts_PCUIF_DATA_CNF(bts_nr := 0, trx_nr := 0, ts_nr := 0,
block_nr := 0,
+ fn := pcu_msg.u.data_req.fn, arfcn := 871,
sapi := PCU_IF_SAPI_PCH, data := macblock));
+}
+
private function f_tx_rlcmac_ul_block(template (value) RlcmacUlBlock ul_data,
int16_t lqual_cb := 0, uint32_t fn := 0)
runs on RAW_PCU_Test_CT {
var octetstring data;
@@ -1666,6 +1684,95 @@
setverdict(pass);
}
+/* Test CS paging over Gb (SGSN->PCU->BTS[PDCH]).
+ */
+private function f_tc_paging_cs_from_sgsn(Nsvci bvci) runs on RAW_PCU_Test_CT {
+ var GsmRrMessage rr_imm_ass;
+ var PacketUlAssign ul_tbf_ass;
+ var RlcmacDlBlock dl_block;
+ var boolean ok;
+ var OCT4 tlli := '00000001'O;
+ var MobileIdentityLV_Paging mi_res;
+ var hexstring imsi := f_gen_imsi(42);
+
+ /* Initialize NS/BSSGP side */
+ f_init_bssgp();
+
+ /* Initialize the PCU interface abstraction */
+ f_init_raw(testcasename());
+
+ /* Establish BSSGP connection to the PCU */
+ f_bssgp_establish();
+ f_bssgp_client_llgmm_assign('FFFFFFFF'O, tlli);
+
+ /* Establish an Uplink TBF */
+ ok := f_establish_tbf(rr_imm_ass);
+ if (not ok) {
+ setverdict(fail, "Failed to establish TBF");
+ mtc.stop;
+ }
+
+ ok := f_imm_ass_verify_ul_tbf_ass(rr_imm_ass, ul_tbf_ass);
+ if (not ok) {
+ setverdict(fail, "Immediate Assignment not an Uplink TBF");
+ mtc.stop;
+ }
+
+ /* Send paging request */
+ BSSGP[0].send(ts_BSSGP_CS_PAGING_IMSI(bvci, imsi));
+
+ /* Receive it on BTS side towards MS */
+ f_rx_rlcmac_dl_block_exp_pkt_pag_req(dl_block);
+
+ /* FIXME: we must use .ps. here instead of .cs. (the one actually sent)
+ because TTCN3 counts length up to octet boundary and thinks it's a
+ PageInfoPs: */
+ mi_res :=
dl_block.ctrl.payload.u.paging.repeated_pageinfo.ps.mobile_identity;
+ setverdict(pass);
+}
+
+testcase TC_paging_cs_from_sgsn_sign() runs on RAW_PCU_Test_CT {
+ f_tc_paging_cs_from_sgsn(0);
+}
+
+testcase TC_paging_cs_from_sgsn_ptp() runs on RAW_PCU_Test_CT {
+ f_tc_paging_cs_from_sgsn(mp_gb_cfg.bvci);
+}
+
+/* Test PS paging over Gb (SGSN->PCU->BTS[CCCH]).
+ */
+private function f_tc_paging_ps_from_sgsn(Nsvci bvci) runs on RAW_PCU_Test_CT {
+ var GsmRrMessage rr_pag_req1;
+ var OCT4 tlli := '00000001'O;
+ var hexstring imsi := f_gen_imsi(42);
+
+ /* Initialize NS/BSSGP side */
+ f_init_bssgp();
+
+ /* Initialize the PCU interface abstraction */
+ f_init_raw(testcasename());
+
+ /* Establish BSSGP connection to the PCU */
+ f_bssgp_establish();
+ f_bssgp_client_llgmm_assign('FFFFFFFF'O, tlli);
+
+ /* Send paging request */
+ BSSGP[0].send(ts_BSSGP_PS_PAGING_IMSI(bvci, imsi));
+
+ /* Receive it on BTS side towards MS */
+ f_pcuif_rx_pch_pag_req1(rr_pag_req1);
+
+ setverdict(pass);
+}
+
+testcase TC_paging_ps_from_sgsn_sign() runs on RAW_PCU_Test_CT {
+ f_tc_paging_ps_from_sgsn(0);
+}
+
+testcase TC_paging_ps_from_sgsn_ptp() runs on RAW_PCU_Test_CT {
+ f_tc_paging_ps_from_sgsn(mp_gb_cfg.bvci);
+}
+
control {
execute( TC_ns_reset() );
execute( TC_ns_reset_retrans() );
@@ -1688,6 +1795,10 @@
execute( TC_mo_ping_pong() );
execute( TC_imm_ass_dl_block_retrans() );
execute( TC_paging_cs_from_bts() );
+ execute (TC_paging_cs_from_sgsn_sign() );
+ execute (TC_paging_cs_from_sgsn_ptp() );
+ execute (TC_paging_ps_from_sgsn_sign() );
+ execute (TC_paging_ps_from_sgsn_ptp() );
}
--
To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/16528
To unsubscribe, or for help writing mail filters, visit
https://gerrit.osmocom.org/settings
Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I90b5a792c1d91e38ea7b8c060ff0b459673df951
Gerrit-Change-Number: 16528
Gerrit-PatchSet: 5
Gerrit-Owner: pespin <[email protected]>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <[email protected]>
Gerrit-Reviewer: pespin <[email protected]>
Gerrit-CC: fixeria <[email protected]>
Gerrit-MessageType: merged
