dexter has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/34069 ) Change subject: WIP: fixup for PCU_Tests: use PCUIF v.11 exclusively ...................................................................... WIP: fixup for PCU_Tests: use PCUIF v.11 exclusively Change-Id: I5e72cbf4bcc2fc4fa305861bd7cf08e00ef7df1d --- M pcu/GPRS_Components.ttcn M pcu/PCU_Tests.ttcn 2 files changed, 30 insertions(+), 8 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/69/34069/1 diff --git a/pcu/GPRS_Components.ttcn b/pcu/GPRS_Components.ttcn index c894cc9..2765a04 100644 --- a/pcu/GPRS_Components.ttcn +++ b/pcu/GPRS_Components.ttcn @@ -1069,7 +1069,7 @@ } } -altstep as_ms_rx_imm_ass(template PCUIF_Sapi sapi := PCU_IF_SAPI_AGCH, +altstep as_ms_rx_imm_ass(template PCUIF_Sapi sapi := PCU_IF_SAPI_AGCH_DT, template GsmRrMessage t_imm_ass := ?, template (present) TsTrxBtsNum nr := ts_TsTrxBtsNum, out GsmRrMessage rr_imm_ass) @@ -1081,14 +1081,12 @@ rr_imm_ass := data_msg.rr_msg; log("Rx Immediate Assignment: ", rr_imm_ass); /* Send DATA.cnf back to the IUT (only needed for PCH) */ - if (data_msg.raw.sapi == PCU_IF_SAPI_PCH_DT) { - f_pcuif_tx_data_cnf(data_msg); - } + f_pcuif_tx_data_cnf(data_msg); setverdict(pass); } } -function f_pcuif_rx_imm_ass(template PCUIF_Sapi sapi := PCU_IF_SAPI_AGCH, +function f_pcuif_rx_imm_ass(template PCUIF_Sapi sapi := PCU_IF_SAPI_AGCH_DT, template GsmRrMessage t_imm_ass := ?, template (present) TsTrxBtsNum nr := tr_TsTrxBtsNum) runs on MS_BTS_IFACE_CT return GsmRrMessage { @@ -1139,7 +1137,7 @@ if (is_11bit != 0) { ra := 127; } /* Expect Immediate (TBF) Assignment on the same TS/TRX/BTS */ - return f_pcuif_rx_imm_ass(PCU_IF_SAPI_AGCH, tr_IMM_TBF_ASS(false, ra, fn), nr); + return f_pcuif_rx_imm_ass(PCU_IF_SAPI_AGCH_DT, tr_IMM_TBF_ASS(false, ra, fn), nr); } /* Enqueue DATA.ind (both TDMA frame and block numbers to be patched) */ @@ -1182,7 +1180,7 @@ var BTS_CCCH_Block data_msg; BTS.receive(tr_PCUIF_DATA_RR(nr.bts_nr, - tr_PCUIF_DATA(nr.trx_nr, nr.ts_nr, sapi := PCU_IF_SAPI_PCH), + tr_PCUIF_DATA(nr.trx_nr, nr.ts_nr, sapi := PCU_IF_SAPI_PCH_DT), tr_PAG_REQ1(tr_MI_LV(mi1)))) -> value data_msg; rr_pag_req1 := data_msg.rr_msg; log("Rx Paging Request Type1: ", rr_pag_req1); diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn index d844736..a9d7fd3 100644 --- a/pcu/PCU_Tests.ttcn +++ b/pcu/PCU_Tests.ttcn @@ -4858,7 +4858,22 @@ /* SGSN sends some DL data, PCU will page on CCCH (PCH) */ BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, f_rnd_octstring(12))); - f_ms_exp_dl_tbf_ass_ccch(ms); + + /* The PCU will send an IMMEDIATE ASSIGNMENT message on the AGCH. It + * should be noted that IMMEDIATE ASSIGNMENT messages for DL TBFs are + * commonly sent on the PCH. However in this case the IMSI is not + * known to the PCU and hence no paging group can be calculated. The + * PCU is then forced to use the AGCH. + * + * As a background information to this it should be noted that this + * works because the IMSI is commonly unknown during a GMM ATTACH + * REQUEST. In this phase the MS is in non-DRX mode, which means that + * it listens on all CCCH blocks (PCH and AGCH) + * + * See also: 3gpp TS 44.060, section 5.5.1.5 and + * 3gpp TS 45.002, section 6.5.3, 6.5.6 + */ + f_ms_exp_dl_tbf_ass_ccch(ms, PCU_IF_SAPI_AGCH_DT); f_TC_pcuif_fh_check_imm_ass(valueof(info_ind), ms.dl_tbf.rr_imm_ass); f_shutdown(__BFILE__, __LINE__, final := true); -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/34069 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: I5e72cbf4bcc2fc4fa305861bd7cf08e00ef7df1d Gerrit-Change-Number: 34069 Gerrit-PatchSet: 1 Gerrit-Owner: dexter <pmaier(a)sysmocom.de> Gerrit-MessageType: newchange