<p>pespin has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/22857">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">pcu: Introduce several tests TC_nacc_outbound_pkt_cell_chg_notif_dup*<br><br>These tests verify retransmission of duplicated Pkt Cell Change<br>Notification messages are ignored once the NACC procedure is already<br>ongoig.<br><br>Related: SYS#4909<br>Change-Id: Ib83eacfab7a73a2a51ab08801ff1c00c0058057c<br>---<br>M pcu/GPRS_Components.ttcn<br>M pcu/PCU_Tests.ttcn<br>2 files changed, 223 insertions(+), 7 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/57/22857/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/pcu/GPRS_Components.ttcn b/pcu/GPRS_Components.ttcn</span><br><span>index e59c18d..34406b9 100644</span><br><span>--- a/pcu/GPRS_Components.ttcn</span><br><span>+++ b/pcu/GPRS_Components.ttcn</span><br><span>@@ -822,7 +822,8 @@</span><br><span> altstep as_ms_rx_pkt_neighbor_cell_data(inout GprsMS ms, octetstring exp_si,</span><br><span> inout uint5_t exp_container_idx /* := 0 */,</span><br><span> inout integer si_offset /* := 0 */,</span><br><span style="color: hsl(0, 100%, 40%);">- template (value) TsTrxBtsNum nr := ts_TsTrxBtsNum)</span><br><span style="color: hsl(120, 100%, 40%);">+ template (value) TsTrxBtsNum nr := ts_TsTrxBtsNum,</span><br><span style="color: hsl(120, 100%, 40%);">+ boolean single_step := false)</span><br><span> runs on MS_BTS_IFACE_CT {</span><br><span> var integer len;</span><br><span> var octetstring exp_si_chunk;</span><br><span>@@ -874,7 +875,7 @@</span><br><span> </span><br><span> exp_container_idx := exp_container_idx + 1;</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">- if (do_repeat) {</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not single_step and do_repeat) {</span><br><span> BTS.send(ts_PCUIF_RTS_REQ(nr.bts_nr, nr.trx_nr, nr.ts_nr,</span><br><span> sapi := PCU_IF_SAPI_PDTCH, fn := 0,</span><br><span> arfcn := f_trxnr2arfcn(valueof(nr.trx_nr)),</span><br><span>@@ -885,12 +886,13 @@</span><br><span> }</span><br><span> </span><br><span> /* Handle groups of PKT NEIGHBOUR CELL DATA packets */</span><br><span style="color: hsl(0, 100%, 40%);">-function f_ms_handle_pkt_neighbor_cell_data(inout GprsMS ms, octetstring exp_si)</span><br><span style="color: hsl(120, 100%, 40%);">+function f_ms_handle_pkt_neighbor_cell_data(inout GprsMS ms, octetstring exp_si,</span><br><span style="color: hsl(120, 100%, 40%);">+ template (value) TsTrxBtsNum nr := ts_TsTrxBtsNum,</span><br><span style="color: hsl(120, 100%, 40%);">+ uint5_t exp_container_idx := 0,</span><br><span style="color: hsl(120, 100%, 40%);">+ integer si_offset := 0,</span><br><span style="color: hsl(120, 100%, 40%);">+ boolean single_step := false)</span><br><span> runs on MS_BTS_IFACE_CT {</span><br><span style="color: hsl(0, 100%, 40%);">- var uint5_t exp_container_idx := 0;</span><br><span style="color: hsl(0, 100%, 40%);">- var integer si_offset := 0;</span><br><span> var BTS_PDTCH_Block data_msg;</span><br><span style="color: hsl(0, 100%, 40%);">- template (value) TsTrxBtsNum nr := ts_TsTrxBtsNum;</span><br><span> </span><br><span> BTS.send(ts_PCUIF_RTS_REQ(nr.bts_nr, nr.trx_nr, nr.ts_nr,</span><br><span> sapi := PCU_IF_SAPI_PDTCH, fn := 0,</span><br><span>@@ -899,7 +901,7 @@</span><br><span> alt {</span><br><span> [exp_container_idx == 0] as_ms_rx_ignore_dummy(ms, nr);</span><br><span> [exp_container_idx > 0] as_ms_rx_fail_dummy(ms, nr);</span><br><span style="color: hsl(0, 100%, 40%);">- [] as_ms_rx_pkt_neighbor_cell_data(ms, exp_si, exp_container_idx, si_offset, nr);</span><br><span style="color: hsl(120, 100%, 40%);">+ [] as_ms_rx_pkt_neighbor_cell_data(ms, exp_si, exp_container_idx, si_offset, nr, single_step);</span><br><span> [] BTS.receive(tr_PCUIF_DATA_PDTCH(nr.bts_nr, tr_PCUIF_DATA(nr.trx_nr, nr.ts_nr, sapi := PCU_IF_SAPI_PDTCH),</span><br><span> tr_RLCMAC_DL_CTRL(?, ?)</span><br><span> )) -> value data_msg {</span><br><span>diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn</span><br><span>index a937bf4..2b6c17f 100644</span><br><span>--- a/pcu/PCU_Tests.ttcn</span><br><span>+++ b/pcu/PCU_Tests.ttcn</span><br><span>@@ -4245,6 +4245,217 @@</span><br><span> f_shutdown(__BFILE__, __LINE__, final := true);</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+/* Test MS sending Pkt Cell Change Notification twice (duplicate msg) while sending Pkt Neigh Data Change */</span><br><span style="color: hsl(120, 100%, 40%);">+testcase TC_nacc_outbound_pkt_cell_chg_notif_dup3() runs on RAW_PCU_Test_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var PollFnCtx pollctx;</span><br><span style="color: hsl(120, 100%, 40%);">+ var GprsMS ms;</span><br><span style="color: hsl(120, 100%, 40%);">+ var PCUIF_info_ind info_ind := valueof(ts_PCUIF_INFO_default);</span><br><span style="color: hsl(120, 100%, 40%);">+ var template (value) RlcmacUlCtrlMsg cell_chf_notif;</span><br><span style="color: hsl(120, 100%, 40%);">+ var RlcmacDlBlock dl_block;</span><br><span style="color: hsl(120, 100%, 40%);">+ var uint32_t sched_fn;</span><br><span style="color: hsl(120, 100%, 40%);">+ var CtrlMessage rx_ctrl;</span><br><span style="color: hsl(120, 100%, 40%);">+ var GsmArfcn req_arfcn := 862;</span><br><span style="color: hsl(120, 100%, 40%);">+ var uint6_t req_bsic := 43;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize osmo-bsc emulation neighbor resolution CTRL port */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ipa_ctrl_start_server(mp_ctrl_neigh_ip, mp_ctrl_neigh_port);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize NS/BSSGP side */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init_bssgp();</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize GPRS MS side */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init_gprs_ms();</span><br><span style="color: hsl(120, 100%, 40%);">+ ms := g_ms[0]; /* We only use first MS in this test */</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize the PCU interface abstraction */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init_raw(testcasename(), info_ind);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Make sure we are not affected by full cache from previous tests */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_pcuvty_flush_neigh_caches();</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Establish BSSGP connection to the PCU */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_bssgp_establish();</span><br><span style="color: hsl(120, 100%, 40%);">+ f_bssgp_client_llgmm_assign(TLLI_UNUSED, ms.tlli);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Send PACKET RESOURCE REQUEST */</span><br><span style="color: hsl(120, 100%, 40%);">+ pollctx := f_ms_establish_ul_tbf_2phase_access(ms, ts_RlcMacUlCtrl_PKT_RES_REQ(ms.tlli, ms_racap_gprs_def));</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Pkt Uplink Assignment above sets poll+rrbp requesting PACKET CONTROL ACK */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), pollctx.fn, nr := pollctx.tstrxbts);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Start NACC from MS side */</span><br><span style="color: hsl(120, 100%, 40%);">+ cell_chf_notif := ts_RlcMacUlCtrl_PKT_CELL_CHG_NOTIF(ms.ul_tbf.tfi, req_arfcn, req_bsic);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_block(ms, ts_RLC_UL_CTRL_ACK(cell_chf_notif), 0, nr := f_ms_tx_TsTrxBtsNum(ms));</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* osmo-pcu should now ask for resolution: */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ipa_ctrl_wait_link_up();</span><br><span style="color: hsl(120, 100%, 40%);">+ var charstring ctrl_var := "neighbor_resolve_cgi_ps_from_lac_ci." &</span><br><span style="color: hsl(120, 100%, 40%);">+ int2str(info_ind.lac) & "." &</span><br><span style="color: hsl(120, 100%, 40%);">+ int2str(info_ind.cell_id) & "." &</span><br><span style="color: hsl(120, 100%, 40%);">+ int2str(req_arfcn) & "." &</span><br><span style="color: hsl(120, 100%, 40%);">+ int2str(req_bsic);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ctrl_exp_get(IPA_CTRL, ctrl_var, "023-43-423-2-5");</span><br><span style="color: hsl(120, 100%, 40%);">+ /* RIM procedure: */</span><br><span style="color: hsl(120, 100%, 40%);">+ as_outbound_nacc_rim_resolve(info_ind);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Receive first Pkt Neigh data Change, then trigger a new Pkt Cell Change Notif: */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_handle_pkt_neighbor_cell_data(ms, si_default, single_step := true);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_block(ms, ts_RLC_UL_CTRL_ACK(cell_chf_notif), 0, nr := f_ms_tx_TsTrxBtsNum(ms));</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* It should be ignored, let's continue fetching Pkt Neigh Data Change */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_handle_pkt_neighbor_cell_data(ms, si_default, f_ms_tx_TsTrxBtsNum(ms), 1, 16);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Obtain a Downlink block and make sure it is a Pkt Cell Chg Continue */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_rx_rlcmac_dl_block(dl_block, sched_fn);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not match(dl_block, tr_RLCMAC_DL_CTRL(?, tr_RlcMacDlCtrl_PKT_CELL_CHG_CONTINUE))) {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Rx unexpected DL block: ", dl_block);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_shutdown(__BFILE__, __LINE__);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ /* PKT CELL CHG CONTINUE ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */</span><br><span style="color: hsl(120, 100%, 40%);">+ if (dl_block.ctrl.mac_hdr.rrbp_valid) {</span><br><span style="color: hsl(120, 100%, 40%);">+ sched_fn := f_rrbp_ack_fn(sched_fn, dl_block.ctrl.mac_hdr.rrbp);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/* Test MS sending Pkt Cell Change Notification twice (duplicate msg) while sending Pkt Cell Change Continue */</span><br><span style="color: hsl(120, 100%, 40%);">+testcase TC_nacc_outbound_pkt_cell_chg_notif_dup4() runs on RAW_PCU_Test_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var PollFnCtx pollctx;</span><br><span style="color: hsl(120, 100%, 40%);">+ var GprsMS ms;</span><br><span style="color: hsl(120, 100%, 40%);">+ var PCUIF_info_ind info_ind := valueof(ts_PCUIF_INFO_default);</span><br><span style="color: hsl(120, 100%, 40%);">+ var template (value) RlcmacUlCtrlMsg cell_chf_notif;</span><br><span style="color: hsl(120, 100%, 40%);">+ var RlcmacDlBlock dl_block;</span><br><span style="color: hsl(120, 100%, 40%);">+ var uint32_t sched_fn;</span><br><span style="color: hsl(120, 100%, 40%);">+ var CtrlMessage rx_ctrl;</span><br><span style="color: hsl(120, 100%, 40%);">+ var GsmArfcn req_arfcn := 862;</span><br><span style="color: hsl(120, 100%, 40%);">+ var uint6_t req_bsic := 43;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize osmo-bsc emulation neighbor resolution CTRL port */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ipa_ctrl_start_server(mp_ctrl_neigh_ip, mp_ctrl_neigh_port);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize NS/BSSGP side */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init_bssgp();</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize GPRS MS side */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init_gprs_ms();</span><br><span style="color: hsl(120, 100%, 40%);">+ ms := g_ms[0]; /* We only use first MS in this test */</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize the PCU interface abstraction */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init_raw(testcasename(), info_ind);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Make sure we are not affected by full cache from previous tests */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_pcuvty_flush_neigh_caches();</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Establish BSSGP connection to the PCU */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_bssgp_establish();</span><br><span style="color: hsl(120, 100%, 40%);">+ f_bssgp_client_llgmm_assign(TLLI_UNUSED, ms.tlli);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Send PACKET RESOURCE REQUEST */</span><br><span style="color: hsl(120, 100%, 40%);">+ pollctx := f_ms_establish_ul_tbf_2phase_access(ms, ts_RlcMacUlCtrl_PKT_RES_REQ(ms.tlli, ms_racap_gprs_def));</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Pkt Uplink Assignment above sets poll+rrbp requesting PACKET CONTROL ACK */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), pollctx.fn, nr := pollctx.tstrxbts);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Start NACC from MS side */</span><br><span style="color: hsl(120, 100%, 40%);">+ cell_chf_notif := ts_RlcMacUlCtrl_PKT_CELL_CHG_NOTIF(ms.ul_tbf.tfi, req_arfcn, req_bsic);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_block(ms, ts_RLC_UL_CTRL_ACK(cell_chf_notif), 0, nr := f_ms_tx_TsTrxBtsNum(ms));</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* osmo-pcu should now ask for resolution: */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ipa_ctrl_wait_link_up();</span><br><span style="color: hsl(120, 100%, 40%);">+ var charstring ctrl_var := "neighbor_resolve_cgi_ps_from_lac_ci." &</span><br><span style="color: hsl(120, 100%, 40%);">+ int2str(info_ind.lac) & "." &</span><br><span style="color: hsl(120, 100%, 40%);">+ int2str(info_ind.cell_id) & "." &</span><br><span style="color: hsl(120, 100%, 40%);">+ int2str(req_arfcn) & "." &</span><br><span style="color: hsl(120, 100%, 40%);">+ int2str(req_bsic);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ctrl_exp_get(IPA_CTRL, ctrl_var, "023-43-423-2-5");</span><br><span style="color: hsl(120, 100%, 40%);">+ /* RIM procedure: */</span><br><span style="color: hsl(120, 100%, 40%);">+ as_outbound_nacc_rim_resolve(info_ind);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Announce SI back to MS, continue NACC procedure */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_handle_pkt_neighbor_cell_data(ms, si_default);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* trigger a dup Pkt Cell Change Notif, it should be ignored: */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_block(ms, ts_RLC_UL_CTRL_ACK(cell_chf_notif), 0, nr := f_ms_tx_TsTrxBtsNum(ms));</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Obtain a Downlink block and make sure it is a Pkt Cell Chg Continue */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_rx_rlcmac_dl_block(dl_block, sched_fn);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not match(dl_block, tr_RLCMAC_DL_CTRL(?, tr_RlcMacDlCtrl_PKT_CELL_CHG_CONTINUE))) {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Rx unexpected DL block: ", dl_block);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_shutdown(__BFILE__, __LINE__);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ /* PKT CELL CHG CONTINUE ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */</span><br><span style="color: hsl(120, 100%, 40%);">+ if (dl_block.ctrl.mac_hdr.rrbp_valid) {</span><br><span style="color: hsl(120, 100%, 40%);">+ sched_fn := f_rrbp_ack_fn(sched_fn, dl_block.ctrl.mac_hdr.rrbp);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/* Test MS sending Pkt Cell Change Notification twice (duplicate msg) while waiting for Pkt Cell Change Continue CTRL ACK */</span><br><span style="color: hsl(120, 100%, 40%);">+testcase TC_nacc_outbound_pkt_cell_chg_notif_dup5() runs on RAW_PCU_Test_CT {</span><br><span style="color: hsl(120, 100%, 40%);">+ var PollFnCtx pollctx;</span><br><span style="color: hsl(120, 100%, 40%);">+ var GprsMS ms;</span><br><span style="color: hsl(120, 100%, 40%);">+ var PCUIF_info_ind info_ind := valueof(ts_PCUIF_INFO_default);</span><br><span style="color: hsl(120, 100%, 40%);">+ var template (value) RlcmacUlCtrlMsg cell_chf_notif;</span><br><span style="color: hsl(120, 100%, 40%);">+ var RlcmacDlBlock dl_block;</span><br><span style="color: hsl(120, 100%, 40%);">+ var uint32_t sched_fn;</span><br><span style="color: hsl(120, 100%, 40%);">+ var CtrlMessage rx_ctrl;</span><br><span style="color: hsl(120, 100%, 40%);">+ var GsmArfcn req_arfcn := 862;</span><br><span style="color: hsl(120, 100%, 40%);">+ var uint6_t req_bsic := 43;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize osmo-bsc emulation neighbor resolution CTRL port */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ipa_ctrl_start_server(mp_ctrl_neigh_ip, mp_ctrl_neigh_port);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize NS/BSSGP side */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init_bssgp();</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize GPRS MS side */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init_gprs_ms();</span><br><span style="color: hsl(120, 100%, 40%);">+ ms := g_ms[0]; /* We only use first MS in this test */</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Initialize the PCU interface abstraction */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init_raw(testcasename(), info_ind);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Make sure we are not affected by full cache from previous tests */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_pcuvty_flush_neigh_caches();</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Establish BSSGP connection to the PCU */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_bssgp_establish();</span><br><span style="color: hsl(120, 100%, 40%);">+ f_bssgp_client_llgmm_assign(TLLI_UNUSED, ms.tlli);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Send PACKET RESOURCE REQUEST */</span><br><span style="color: hsl(120, 100%, 40%);">+ pollctx := f_ms_establish_ul_tbf_2phase_access(ms, ts_RlcMacUlCtrl_PKT_RES_REQ(ms.tlli, ms_racap_gprs_def));</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Pkt Uplink Assignment above sets poll+rrbp requesting PACKET CONTROL ACK */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), pollctx.fn, nr := pollctx.tstrxbts);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Start NACC from MS side */</span><br><span style="color: hsl(120, 100%, 40%);">+ cell_chf_notif := ts_RlcMacUlCtrl_PKT_CELL_CHG_NOTIF(ms.ul_tbf.tfi, req_arfcn, req_bsic);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_block(ms, ts_RLC_UL_CTRL_ACK(cell_chf_notif), 0, nr := f_ms_tx_TsTrxBtsNum(ms));</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* osmo-pcu should now ask for resolution: */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ipa_ctrl_wait_link_up();</span><br><span style="color: hsl(120, 100%, 40%);">+ var charstring ctrl_var := "neighbor_resolve_cgi_ps_from_lac_ci." &</span><br><span style="color: hsl(120, 100%, 40%);">+ int2str(info_ind.lac) & "." &</span><br><span style="color: hsl(120, 100%, 40%);">+ int2str(info_ind.cell_id) & "." &</span><br><span style="color: hsl(120, 100%, 40%);">+ int2str(req_arfcn) & "." &</span><br><span style="color: hsl(120, 100%, 40%);">+ int2str(req_bsic);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ctrl_exp_get(IPA_CTRL, ctrl_var, "023-43-423-2-5");</span><br><span style="color: hsl(120, 100%, 40%);">+ /* RIM procedure: */</span><br><span style="color: hsl(120, 100%, 40%);">+ as_outbound_nacc_rim_resolve(info_ind);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Announce SI back to MS, continue NACC procedure */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_handle_pkt_neighbor_cell_data(ms, si_default);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Obtain a Downlink block and make sure it is a Pkt Cell Chg Continue */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_rx_rlcmac_dl_block(dl_block, sched_fn);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not match(dl_block, tr_RLCMAC_DL_CTRL(?, tr_RlcMacDlCtrl_PKT_CELL_CHG_CONTINUE))) {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Rx unexpected DL block: ", dl_block);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_shutdown(__BFILE__, __LINE__);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ /* trigger a dup Pkt Cell Change Notif, it should be ignored: */</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_block(ms, ts_RLC_UL_CTRL_ACK(cell_chf_notif), 0, nr := f_ms_tx_TsTrxBtsNum(ms));</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* PKT CELL CHG CONTINUE ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */</span><br><span style="color: hsl(120, 100%, 40%);">+ if (dl_block.ctrl.mac_hdr.rrbp_valid) {</span><br><span style="color: hsl(120, 100%, 40%);">+ sched_fn := f_rrbp_ack_fn(sched_fn, dl_block.ctrl.mac_hdr.rrbp);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), sched_fn);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> /* Test MS sending Pkt Cell Change Notify twice (different tgt cell each time)</span><br><span> * while waiting for CTRL resolution */</span><br><span> testcase TC_nacc_outbound_pkt_cell_chg_notif_twice() runs on RAW_PCU_Test_CT {</span><br><span>@@ -4642,6 +4853,9 @@</span><br><span> execute( TC_nacc_outbound_si_resolve_timeout() );</span><br><span> execute( TC_nacc_outbound_pkt_cell_chg_notif_dup() );</span><br><span> execute( TC_nacc_outbound_pkt_cell_chg_notif_dup2() );</span><br><span style="color: hsl(120, 100%, 40%);">+ execute( TC_nacc_outbound_pkt_cell_chg_notif_dup3() );</span><br><span style="color: hsl(120, 100%, 40%);">+ execute( TC_nacc_outbound_pkt_cell_chg_notif_dup4() );</span><br><span style="color: hsl(120, 100%, 40%);">+ execute( TC_nacc_outbound_pkt_cell_chg_notif_dup5() );</span><br><span> execute( TC_nacc_outbound_pkt_cell_chg_notif_twice() );</span><br><span> execute( TC_nacc_outbound_pkt_cell_chg_notif_twice2() );</span><br><span> </span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/22857">change 22857</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://gerrit.osmocom.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/22857"/><meta itemprop="name" content="View Change"/></div></div>
<div style="display:none"> Gerrit-Project: osmo-ttcn3-hacks </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: Ib83eacfab7a73a2a51ab08801ff1c00c0058057c </div>
<div style="display:none"> Gerrit-Change-Number: 22857 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: pespin <pespin@sysmocom.de> </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>