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pespin gerrit-no-reply at lists.osmocom.orgpespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/26257 ) Change subject: pcu: Introduce test TC_ul_tbf_reestablish_with_pkt_dl_ack_nack ...................................................................... pcu: Introduce test TC_ul_tbf_reestablish_with_pkt_dl_ack_nack Change-Id: I2058862cf11d0027b040eb6d9c0a27524df593b5 --- M pcu/PCU_Tests.ttcn 1 file changed, 56 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/57/26257/1 diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn index 336a4e0..db57755 100644 --- a/pcu/PCU_Tests.ttcn +++ b/pcu/PCU_Tests.ttcn @@ -3398,6 +3398,60 @@ f_shutdown(__BFILE__, __LINE__, final := true); } +/* Test scenario where MS wants to request a new UL TBF using a DL (EGPRS) ACK/NACK + * transmitted on ul slot provided by its DL TBF. + * See 3GPP TS 44.060 sec 9.3.2.4.2 "Non-extended uplink TBF mode" */ +function f_TC_ul_tbf_reestablish_with_pkt_dl_ack_nack(boolean use_egprs) runs on RAW_PCU_Test_CT { + var GprsMS ms; + var octetstring data := f_rnd_octstring(10); + var RlcmacDlBlock dl_block; + var template RlcmacDlBlock rej_tmpl; + var uint32_t dl_fn; + var uint32_t sched_fn; + var template (value) MSRadioAccessCapabilityV_BSSGP racap_tmpl; + + if (use_egprs == true) { + racap_tmpl := bssgp_ms_racap_egprs_def; + } else { + racap_tmpl := bssgp_ms_racap_gprs_def; + } + + /* Initialize NS/BSSGP side */ + f_init_bssgp(); + /* Initialize GPRS MS side */ + f_init_gprs_ms(); + ms := g_ms[0]; /* We only use first MS in this test */ + /* Initialize the PCU interface abstraction */ + f_init_raw(testcasename()); + + /* Establish BSSGP connection to the PCU */ + f_bssgp_establish(); + f_bssgp_client_llgmm_assign(TLLI_UNUSED, ms.tlli); + + /* SGSN sends some DL data, PCU will page on CCCH (PCH) */ + BSSGP[0].send(ts_BSSGP_DL_UD(ms.tlli, data, racap_tmpl)); + f_ms_exp_dl_tbf_ass_ccch(ms, PCU_IF_SAPI_PCH); + + /* Wait timer X2002 and DL block is available after CCCH IMM ASS: */ + f_sleep(X2002); + f_rx_rlcmac_dl_block_exp_data(dl_block, dl_fn, data, 0); + + /* ACK the DL block, asking for new UL TBF by including ChanReqDesc */ + f_dltbf_ack_block(ms.dl_tbf, dl_block, '1'B); + f_ms_tx_ul_block(ms, f_dltbf_ts_RLCMAC_DL_ACK_NACK(ms.dl_tbf, use_egprs, ts_ChannelReqDescription()), + f_dl_block_ack_fn(dl_block, dl_fn)); + + /* We should receive a Pkt Ul ASS */ + f_ms_rx_pkt_ass_pacch(ms, sched_fn, tr_RLCMAC_UL_PACKET_ASS); + f_shutdown(__BFILE__, __LINE__, final := true); +} +testcase TC_ul_tbf_reestablish_with_pkt_dl_ack_nack() runs on RAW_PCU_Test_CT { + f_TC_ul_tbf_reestablish_with_pkt_dl_ack_nack(false); +} +testcase TC_ul_tbf_reestablish_with_pkt_dl_ack_nack_egprs() runs on RAW_PCU_Test_CT { + f_TC_ul_tbf_reestablish_with_pkt_dl_ack_nack(true); +} + /* Test CS paging over the BTS<->PCU socket. * When a (class B or C, not A) MS has an active TBF (or is on the PDCH), the MS can not react on CS paging over CCCH. * Paging should be send on the PACCH. @@ -6740,6 +6794,8 @@ execute( TC_ul_multislot_tbf_ms_class_from_2phase() ); execute( TC_ul_tbf_reestablish_with_pkt_resource_req() ); execute( TC_ul_tbf_reestablish_with_pkt_resource_req_n3105_max() ); + execute( TC_ul_tbf_reestablish_with_pkt_dl_ack_nack() ); + execute( TC_ul_tbf_reestablish_with_pkt_dl_ack_nack_egprs() ); execute( TC_multiplex_dl_gprs_egprs() ); -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/26257 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: I2058862cf11d0027b040eb6d9c0a27524df593b5 Gerrit-Change-Number: 26257 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin at sysmocom.de> Gerrit-MessageType: newchange -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20211115/c8643a06/attachment.htm>