1620 lines
54 KiB
Plaintext
1620 lines
54 KiB
Plaintext
module PCU_Tests_RAW {
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/* "RAW" PCU tests: Talk directly to the PCU socket of OsmoPCU on the one hand side (emulating
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the BTS/BSC side PCU socket server) and the Gb interface on the other hand side. No NS/BSSGP
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Emulation is used; rather, we simply use the NS_CodecPort to implement both standard and non-
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standard procedures on the NS and BSSGP level. The goal of these tests is to test exactly
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those NS and BSSGP implementations on the BSS (PCU) side. */
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/* (C) 2018-2019 Harald Welte <laforge@gnumonks.org>
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* (C) 2019 Vadim Yanitskiy <axilirator@gmail.com>
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* All rights reserved.
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*
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* Released under the terms of GNU General Public License, Version 2 or
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* (at your option) any later version.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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import from General_Types all;
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import from Osmocom_Types all;
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import from GSM_Types all;
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import from GSM_RR_Types all;
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import from Osmocom_VTY_Functions all;
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import from TELNETasp_PortType all;
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import from RLCMAC_CSN1_Types all;
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import from RLCMAC_Types all;
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import from NS_Types all;
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import from BSSGP_Types all;
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import from Osmocom_Gb_Types all;
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import from BSSGP_Emulation all; /* BssgpConfig */
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import from NS_Emulation all; /* NSConfiguration */
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import from UD_Types all;
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import from PCUIF_Types all;
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import from PCUIF_CodecPort all;
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import from PCUIF_RAW_Components all;
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import from IPL4asp_Types all;
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import from NS_CodecPort all;
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import from NS_CodecPort_CtrlFunct all;
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import from Native_Functions all;
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import from PCU_Tests all;
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modulepar {
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charstring mp_pcu_sock_path := PCU_SOCK_DEFAULT;
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float X2002 := 0.2; /* Timer -2002, IMM ASSIGN confirm delay */
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}
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type component RAW_NS_CT {
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/* UDP port towards the bottom (IUT) */
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port NS_CODEC_PT NSCP[4];
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var ConnectionId g_ns_conn_id[4] := {-1, -1, -1, -1};
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var NSConfiguration g_nsconfig[4];
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timer g_T_guard;
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}
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type component RAW_PCU_CT {
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/* PCUIF (we emulate the BTS part) */
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port PCUIF_CODEC_PT PCU;
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var ConnectionId g_pcu_conn_id := -1;
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}
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type component RAW_Test_CT extends RAW_NS_CT, RAW_PCU_CT {
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}
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private altstep as_Tguard() runs on RAW_NS_CT {
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[] g_T_guard.timeout {
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setverdict(fail, "Timeout of T_guard");
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mtc.stop;
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}
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}
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/* FIXME: make sure to use parameters from mp_gb_cfg.cell_id in the PCU INFO IND */
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template (value) PCUIF_info_ind ts_PCUIF_INFO_default := {
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version := PCU_IF_VERSION,
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flags := c_PCUIF_Flags_default,
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trx := valueof(ts_PCUIF_InfoTrxs_def),
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bsic := 7,
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mcc := 262,
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mnc := 42,
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mnc_3_digits := 0,
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lac := 13135,
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rac := 0,
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nsei := mp_nsconfig.nsei,
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nse_timer := { 3, 3, 3, 3, 30, 3, 10 },
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cell_timer := { 3, 3, 3, 3, 3, 10, 3, 10, 3, 10, 3 },
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cell_id := 20960,
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repeat_time := 5 * 50,
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repeat_count := 3,
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bvci := mp_gb_cfg.bvci,
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t3142 := 20,
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t3169 := 5,
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t3191 := 5,
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t3193_10ms := 160,
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t3195 := 5,
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t3101 := 10,
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t3103 := 4,
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t3105 := 8,
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cv_countdown := 15,
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dl_tbf_ext := 250 * 10, /* ms */
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ul_tbf_ext := 250 * 10, /* ms */
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initial_cs := 2,
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initial_mcs := 6,
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nsvci := { mp_nsconfig.nsvci, 0 },
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local_pprt := { mp_nsconfig.remote_udp_port, 0 },
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remote_port := { mp_nsconfig.local_udp_port, 0 },
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remote_ip := { f_inet_haddr(mp_nsconfig.local_ip) , '00000000'O }
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}
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function f_init_pcuif() runs on RAW_PCU_CT {
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var PCUIF_info_ind info_ind;
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map(self:PCU, system:PCU);
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info_ind := valueof(ts_PCUIF_INFO_default);
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/* Connect the Unix Domain Socket */
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g_pcu_conn_id := f_pcuif_listen(PCU, mp_pcu_sock_path);
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PCU.receive(UD_connected:?);
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/* Wait for PCU_VERSION and return INFO_IND */
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PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_PCUIF_TXT_IND(0, PCU_VERSION, ?)));
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/* FIXME: make sure to use parameters from mp_gb_cfg.cell_id in the PCU INFO IND */
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var template PCUIF_Message info_ind_msg := ts_PCUIF_INFO_IND(0, info_ind);
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PCU.send(t_SD_PCUIF(g_pcu_conn_id, info_ind_msg));
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}
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function f_pcuif_tx(template (value) PCUIF_Message msg) runs on RAW_PCU_CT {
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PCU.send(t_SD_PCUIF(g_pcu_conn_id, msg));
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}
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function f_init_ns_codec(integer idx := 0, float guard_secs := 60.0) runs on RAW_NS_CT {
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var Result res;
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if (not g_T_guard.running) {
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g_T_guard.start(guard_secs);
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activate(as_Tguard());
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}
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if (not isbound(g_nsconfig) or not isbound(g_nsconfig[idx])) {
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/* copy most parts from mp_nsconfig */
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g_nsconfig[idx] := mp_nsconfig;
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/* adjust those parts different for each NS-VC */
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g_nsconfig[idx].nsvci := mp_nsconfig.nsvci + idx;
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g_nsconfig[idx].local_udp_port := mp_nsconfig.local_udp_port + idx;
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}
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map(self:NSCP[idx], system:NSCP);
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/* Connect the UDP socket */
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log("connecting NSCP[", idx, "] to ", g_nsconfig[idx]);
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res := f_IPL4_connect(NSCP[idx], g_nsconfig[idx].remote_ip, g_nsconfig[idx].remote_udp_port,
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g_nsconfig[idx].local_ip, g_nsconfig[idx].local_udp_port, 0, { udp := {}});
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if (not ispresent(res.connId)) {
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setverdict(fail, "Could not connect NS UDP socket, check your configuration ", g_nsconfig[idx]);
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mtc.stop;
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}
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g_ns_conn_id[idx] := res.connId;
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}
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function f_ns_exp(template PDU_NS exp_rx, integer idx := 0) runs on RAW_NS_CT return PDU_NS {
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var NS_RecvFrom nrf;
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log("f_ns_exp() expecting ", exp_rx);
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alt {
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[] NSCP[idx].receive(t_NS_RecvFrom(exp_rx)) -> value nrf { }
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[] NSCP[idx].receive {
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setverdict(fail, "Received unexpected NS: ", nrf);
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mtc.stop;
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}
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}
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return nrf.msg;
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}
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/* perform outbound NS-ALIVE procedure */
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function f_outgoing_ns_alive(integer idx := 0) runs on RAW_NS_CT {
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NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], t_NS_ALIVE));
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alt {
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[] NSCP[idx].receive(t_NS_RecvFrom(t_NS_ALIVE_ACK));
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[] NSCP[idx].receive { repeat; }
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}
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}
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/* perform outbound NS-ALIVE procedure */
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function f_outgoing_ns_alive_no_ack(integer idx := 0, float tout := 10.0) runs on RAW_NS_CT {
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timer T := tout;
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NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], t_NS_ALIVE));
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T.start;
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alt {
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[] NSCP[idx].receive(t_NS_RecvFrom(t_NS_ALIVE_ACK)) {
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setverdict(fail, "Received unexpected NS-ALIVE ACK");
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}
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[] NSCP[idx].receive { repeat; }
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[] T.timeout {
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setverdict(pass);
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}
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}
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}
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/* ensure no matching message is received within 'tout' */
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function f_ensure_no_ns(template PDU_NS ns := ?, integer idx := 0, float tout := 3.0)
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runs on RAW_Test_CT {
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timer T := tout;
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T.start;
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alt {
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[] NSCP[idx].receive(t_NS_RecvFrom(ns)) {
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setverdict(fail, "NS-ALIVE from unconfigured (possibly initial) endpoint");
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}
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[] T.timeout {
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setverdict(pass);
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}
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}
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}
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/* perform outbound NS-BLOCK procedure */
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function f_outgoing_ns_block(NsCause cause, integer idx := 0) runs on RAW_NS_CT {
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NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_BLOCK(cause, g_nsconfig[idx].nsvci)));
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alt {
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[] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_BLOCK_ACK(g_nsconfig[idx].nsvci)));
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[] NSCP[idx].receive { repeat; }
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}
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}
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/* receive NS-ALIVE and ACK it */
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altstep as_rx_alive_tx_ack(boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {
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[] NSCP[idx].receive(t_NS_RecvFrom(t_NS_ALIVE)) {
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NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], t_NS_ALIVE_ACK));
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if (not oneshot) { repeat; }
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}
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}
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/* Transmit BSSGP RESET for given BVCI and expect ACK */
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function f_tx_bvc_reset_rx_ack(BssgpBvci bvci, integer idx := 0, boolean exp_ack := true)
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runs on RAW_NS_CT {
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var PDU_BSSGP bssgp_tx := valueof(ts_BVC_RESET(BSSGP_CAUSE_NET_SV_CAP_MOD_GT_ZERO_KBPS, bvci,
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mp_gb_cfg.cell_id));
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timer T := 5.0;
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NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_UNITDATA(t_SduCtrlB, 0, enc_PDU_BSSGP(bssgp_tx))));
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T.start;
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alt {
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[exp_ack] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, 0,
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decmatch tr_BVC_RESET_ACK(bvci, ?)))) {
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setverdict(pass);
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}
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[exp_ack] T.timeout {
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setverdict(fail, "No response to BVC-RESET");
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}
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[not exp_ack] T.timeout {
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setverdict(pass);
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}
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[] NSCP[idx].receive { repeat; }
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}
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}
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/* Receive a BSSGP RESET for given BVCI and ACK it */
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altstep as_rx_bvc_reset_tx_ack(BssgpBvci bvci, boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {
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var NS_RecvFrom ns_rf;
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/* FIXME: nail down received cell_id in match */
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[] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, 0,
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decmatch tr_BVC_RESET(?, bvci, ?))))
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-> value ns_rf {
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var PDU_BSSGP bssgp_rx := dec_PDU_BSSGP(ns_rf.msg.pDU_NS_Unitdata.nS_SDU);
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var PDU_BSSGP bssgp_tx := valueof(ts_BVC_RESET_ACK(bvci, mp_gb_cfg.cell_id));
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NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_UNITDATA(t_SduCtrlB, 0, enc_PDU_BSSGP(bssgp_tx))));
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if (not oneshot) { repeat; }
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}
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}
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/* Receive a BSSGP UNBLOCK for given BVCI and ACK it */
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altstep as_rx_bvc_unblock_tx_ack(BssgpBvci bvci, boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {
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var NS_RecvFrom ns_rf;
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[] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, 0,
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decmatch t_BVC_UNBLOCK(bvci))))
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-> value ns_rf {
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var PDU_BSSGP bssgp_rx := dec_PDU_BSSGP(ns_rf.msg.pDU_NS_Unitdata.nS_SDU);
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var PDU_BSSGP bssgp_tx := valueof(t_BVC_UNBLOCK_ACK(bvci));
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NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_UNITDATA(t_SduCtrlB, 0, enc_PDU_BSSGP(bssgp_tx))));
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if (not oneshot) { repeat; }
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}
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}
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/* Receive a BSSGP FLOW-CONTROL-BVC and ACK it */
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altstep as_rx_bvc_fc_tx_ack(BssgpBvci bvci, boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {
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var NS_RecvFrom ns_rf;
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[] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, bvci,
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decmatch tr_BVC_FC_BVC)))
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-> value ns_rf {
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var PDU_BSSGP bssgp_rx := dec_PDU_BSSGP(ns_rf.msg.pDU_NS_Unitdata.nS_SDU);
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var OCT1 tag := bssgp_rx.pDU_BSSGP_FLOW_CONTROL_BVC.tag.unstructured_Value;
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var PDU_BSSGP bssgp_tx := valueof(t_BVC_FC_BVC_ACK(tag));
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NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_UNITDATA(t_SduCtrlB, bvci, enc_PDU_BSSGP(bssgp_tx))));
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if (not oneshot) { repeat; }
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}
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}
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/**********************************************************************************
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* Classic Gb/IP bring-up test cases using NS-{RESET,BLOCK,UNBLOCK} and no IP-SNS *
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**********************************************************************************/
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/* Receive a NS-RESET and ACK it */
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private altstep as_rx_ns_reset_ack(boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {
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var NS_RecvFrom ns_rf;
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[] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_RESET(NS_CAUSE_OM_INTERVENTION, g_nsconfig[idx].nsvci,
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g_nsconfig[idx].nsei))) -> value ns_rf {
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NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_RESET_ACK(g_nsconfig[idx].nsvci,
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g_nsconfig[idx].nsei)));
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if (not oneshot) { repeat; }
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}
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}
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/* Receive a NS-UNBLOCK and ACK it */
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private altstep as_rx_ns_unblock_ack(boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {
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var NS_RecvFrom ns_rf;
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[] NSCP[idx].receive(t_NS_RecvFrom(t_NS_UNBLOCK)) -> value ns_rf {
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NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], t_NS_UNBLOCK_ACK));
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if (not oneshot) { repeat; }
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}
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}
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/* test the NS-RESET procedure */
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testcase TC_ns_reset() runs on RAW_Test_CT {
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f_init_ns_codec();
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f_init_pcuif();
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/* Expect inbound NS-RESET procedure */
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as_rx_ns_reset_ack(oneshot := true);
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setverdict(pass);
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}
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/* ensure NS-RESET are re-transmitted */
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testcase TC_ns_reset_retrans() runs on RAW_Test_CT {
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f_init_ns_codec();
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f_init_pcuif();
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var integer i;
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for (i := 0; i < 3; i := i+1) {
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NSCP[0].receive(t_NS_RecvFrom(tr_NS_RESET(NS_CAUSE_OM_INTERVENTION,
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g_nsconfig[0].nsvci, g_nsconfig[0].nsei)));
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}
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/* Expect inbound NS-RESET procedure */
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as_rx_ns_reset_ack(oneshot := true);
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setverdict(pass);
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}
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/* test the inbound NS-ALIVE procedure after NS-RESET */
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testcase TC_ns_alive() runs on RAW_Test_CT {
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f_init_ns_codec();
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f_init_pcuif();
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/* Expect inbound NS-RESET procedure */
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as_rx_ns_reset_ack(oneshot := true);
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/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
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as_rx_alive_tx_ack(oneshot := true);
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setverdict(pass);
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}
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/* Test for NS-RESET after NS-ALIVE timeout */
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testcase TC_ns_alive_timeout_reset() runs on RAW_Test_CT {
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f_init_ns_codec(guard_secs := 100.0);
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f_init_pcuif();
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/* Expect inbound NS-RESET procedure */
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as_rx_ns_reset_ack(oneshot := true);
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/* wait for at least one NS-ALIVE */
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NSCP[0].receive(t_NS_RecvFrom(t_NS_ALIVE));
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/* wait for NS-RESET to re-appear, ignoring any NS-ALIVE until then */
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alt {
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[] as_rx_ns_reset_ack(oneshot := true) { setverdict(pass); }
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[] NSCP[0].receive(t_NS_RecvFrom(t_NS_ALIVE)) { repeat; }
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}
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}
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/* test for NS-RESET/NS-ALIVE/NS-UNBLOCK */
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testcase TC_ns_unblock() runs on RAW_Test_CT {
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f_init_ns_codec();
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f_init_pcuif();
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/* Expect inbound NS-RESET procedure */
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as_rx_ns_reset_ack(oneshot := true);
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/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
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as_rx_alive_tx_ack(oneshot := true);
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activate(as_rx_alive_tx_ack());
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as_rx_ns_unblock_ack(oneshot := true);
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setverdict(pass);
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}
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/* test for NS-UNBLOCK re-transmissions */
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testcase TC_ns_unblock_retrans() runs on RAW_Test_CT {
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f_init_ns_codec();
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f_init_pcuif();
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/* Expect inbound NS-RESET procedure */
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as_rx_ns_reset_ack(oneshot := true);
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/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
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as_rx_alive_tx_ack(oneshot := true);
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activate(as_rx_alive_tx_ack());
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/* wait for first NS-UNBLOCK, don't respond */
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NSCP[0].receive(t_NS_RecvFrom(t_NS_UNBLOCK));
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/* wait for re-transmission of NS-UNBLOCK */
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as_rx_ns_unblock_ack(oneshot := true);
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setverdict(pass);
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}
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/* full bring-up of the Gb link for NS and BSSGP layer up to BVC-FC */
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testcase TC_ns_full_bringup() runs on RAW_Test_CT {
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f_init_ns_codec();
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f_init_pcuif();
|
|
|
|
/* Expect inbound NS-RESET procedure */
|
|
as_rx_ns_reset_ack(oneshot := true);
|
|
|
|
/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
|
|
as_rx_alive_tx_ack(oneshot := true);
|
|
activate(as_rx_alive_tx_ack());
|
|
|
|
as_rx_ns_unblock_ack(oneshot := true);
|
|
|
|
f_outgoing_ns_alive();
|
|
|
|
/* Expect BVC-RESET for signaling (0) and ptp BVCI */
|
|
as_rx_bvc_reset_tx_ack(0, oneshot := true);
|
|
as_rx_bvc_reset_tx_ack(mp_gb_cfg.bvci, oneshot := true);
|
|
as_rx_bvc_unblock_tx_ack(mp_gb_cfg.bvci, oneshot := true);
|
|
|
|
/* wait for one FLOW-CONTROL BVC and then ACK any further in the future */
|
|
as_rx_bvc_fc_tx_ack(mp_gb_cfg.bvci, oneshot := true);
|
|
activate(as_rx_bvc_fc_tx_ack(mp_gb_cfg.bvci));
|
|
setverdict(pass);
|
|
}
|
|
|
|
/* test outbound (SGSN-originated) NS-BLOCK procedure */
|
|
testcase TC_ns_so_block() runs on RAW_Test_CT {
|
|
f_init_ns_codec();
|
|
f_init_pcuif();
|
|
|
|
/* Expect inbound NS-RESET procedure */
|
|
as_rx_ns_reset_ack(oneshot := true);
|
|
|
|
/* wait for one ALIVE cycle, then ACK any further ALIVE in the background */
|
|
as_rx_alive_tx_ack(oneshot := true);
|
|
activate(as_rx_alive_tx_ack());
|
|
|
|
as_rx_ns_unblock_ack(oneshot := true);
|
|
|
|
f_outgoing_ns_alive();
|
|
|
|
f_outgoing_ns_block(NS_CAUSE_EQUIPMENT_FAILURE);
|
|
setverdict(pass);
|
|
}
|
|
|
|
type record lqual_range {
|
|
/* component reference to the IPA_Client component used for RSL */
|
|
uint8_t low,
|
|
uint8_t high
|
|
}
|
|
|
|
type component RAW_PCU_Test_CT extends bssgp_CT {
|
|
/* Connection to the BTS component (one for now) */
|
|
port RAW_PCU_MSG_PT BTS;
|
|
/* Connection to the PCUIF component */
|
|
port RAW_PCU_MSG_PT PCUIF;
|
|
/* VTY connection to the PCU */
|
|
port TELNETasp_PT PCUVTY;
|
|
|
|
/* Uplink CS/MCS thresholds, default from pcu_main.c: */
|
|
var lqual_range g_cs_lqual_ranges[4] := {{low := 0, high := 6},
|
|
{low := 5, high := 8},
|
|
{low := 7, high := 13},
|
|
{low := 12,high := 35}};
|
|
var lqual_range g_mcs_lqual_ranges[9] := {{low := 0, high := 6},
|
|
{low := 5, high := 8},
|
|
{low := 7, high := 13},
|
|
{low := 12,high := 15},
|
|
{low := 14, high := 17},
|
|
{low := 16, high := 18},
|
|
{low := 17,high := 20},
|
|
{low := 19, high := 24},
|
|
{low := 23,high := 35}};
|
|
var uint8_t g_cs_initial_dl := 1;
|
|
var uint8_t g_cs_initial_ul := 1;
|
|
var uint8_t g_mcs_initial_dl := 1;
|
|
var uint8_t g_mcs_initial_ul := 1;
|
|
var uint8_t g_cs_max_dl := 4;
|
|
var uint8_t g_cs_max_ul := 4;
|
|
var uint8_t g_mcs_max_dl := 9;
|
|
var uint8_t g_mcs_max_ul := 9;
|
|
|
|
/* Guard timeout */
|
|
timer g_T_guard := 60.0;
|
|
};
|
|
|
|
private altstep as_Tguard_RAW() runs on RAW_PCU_Test_CT {
|
|
[] g_T_guard.timeout {
|
|
setverdict(fail, "Timeout of T_guard");
|
|
mtc.stop;
|
|
}
|
|
}
|
|
|
|
private function f_pcuvty_set_allowed_cs_mcs() runs on RAW_PCU_Test_CT {
|
|
f_vty_config2(PCUVTY, {"pcu"}, "cs " & int2str(g_cs_initial_dl) & " " & int2str(g_cs_initial_ul));
|
|
f_vty_config2(PCUVTY, {"pcu"}, "cs max " & int2str(g_cs_max_dl) & " " & int2str(g_cs_max_ul));
|
|
|
|
f_vty_config2(PCUVTY, {"pcu"}, "mcs " & int2str(g_mcs_initial_dl) & " " & int2str(g_mcs_initial_ul));
|
|
f_vty_config2(PCUVTY, {"pcu"}, "mcs max " & int2str(g_mcs_max_dl) & " " & int2str(g_mcs_max_ul));
|
|
}
|
|
|
|
private function f_pcuvty_set_link_quality_ranges() runs on RAW_PCU_Test_CT {
|
|
var charstring cmd;
|
|
|
|
cmd := "cs link-quality-ranges" &
|
|
" cs1 " & int2str(g_cs_lqual_ranges[0].high) &
|
|
" cs2 " & int2str(g_cs_lqual_ranges[1].low) & " " & int2str(g_cs_lqual_ranges[1].high) &
|
|
" cs3 " & int2str(g_cs_lqual_ranges[2].low) & " " & int2str(g_cs_lqual_ranges[2].high) &
|
|
" cs4 " & int2str(g_cs_lqual_ranges[3].low);
|
|
f_vty_config2(PCUVTY, {"pcu"}, cmd);
|
|
|
|
cmd := "mcs link-quality-ranges" &
|
|
" mcs1 " & int2str(g_mcs_lqual_ranges[0].high) &
|
|
" mcs2 " & int2str(g_mcs_lqual_ranges[1].low) & " " & int2str(g_mcs_lqual_ranges[1].high) &
|
|
" mcs3 " & int2str(g_mcs_lqual_ranges[2].low) & " " & int2str(g_mcs_lqual_ranges[2].high) &
|
|
" mcs4 " & int2str(g_mcs_lqual_ranges[3].low) & " " & int2str(g_mcs_lqual_ranges[3].high) &
|
|
" mcs5 " & int2str(g_mcs_lqual_ranges[4].low) & " " & int2str(g_mcs_lqual_ranges[4].high) &
|
|
" mcs6 " & int2str(g_mcs_lqual_ranges[5].low) & " " & int2str(g_mcs_lqual_ranges[5].high) &
|
|
" mcs7 " & int2str(g_mcs_lqual_ranges[6].low) & " " & int2str(g_mcs_lqual_ranges[6].high) &
|
|
" mcs8 " & int2str(g_mcs_lqual_ranges[7].low) & " " & int2str(g_mcs_lqual_ranges[7].high) &
|
|
" mcs9 " & int2str(g_mcs_lqual_ranges[8].low);
|
|
f_vty_config2(PCUVTY, {"pcu"}, cmd);
|
|
}
|
|
|
|
private function f_init_vty(charstring id) runs on RAW_PCU_Test_CT {
|
|
map(self:PCUVTY, system:PCUVTY);
|
|
f_vty_set_prompts(PCUVTY);
|
|
f_vty_transceive(PCUVTY, "enable");
|
|
}
|
|
|
|
private function f_init_raw(charstring id, template (value) PCUIF_info_ind info_ind := ts_PCUIF_INFO_default)
|
|
runs on RAW_PCU_Test_CT {
|
|
var RAW_PCUIF_CT vc_PCUIF;
|
|
var RAW_PCU_BTS_CT vc_BTS;
|
|
|
|
/* Start the guard timer */
|
|
g_T_guard.start;
|
|
activate(as_Tguard_RAW());
|
|
|
|
/* Init PCU interface component */
|
|
vc_PCUIF := RAW_PCUIF_CT.create("PCUIF-" & id);
|
|
connect(vc_PCUIF:MTC, self:PCUIF);
|
|
map(vc_PCUIF:PCU, system:PCU);
|
|
|
|
/* Create one BTS component (we may want more some day) */
|
|
vc_BTS := RAW_PCU_BTS_CT.create("BTS-" & id);
|
|
connect(vc_BTS:PCUIF, vc_PCUIF:BTS);
|
|
connect(vc_BTS:TC, self:BTS);
|
|
|
|
f_init_vty(id);
|
|
|
|
vc_PCUIF.start(f_PCUIF_CT_handler(mp_pcu_sock_path));
|
|
vc_BTS.start(f_BTS_CT_handler(0, valueof(info_ind)));
|
|
|
|
/* Wait until the BTS is ready (SI13 negotiated) */
|
|
BTS.receive(tr_RAW_PCU_EV(BTS_EV_SI13_NEGO));
|
|
}
|
|
|
|
template AckNackDescription t_AckNackDescription_init := {
|
|
final_ack := '0'B,
|
|
starting_seq_nr := 0,
|
|
receive_block_bitmap := '0000000000000000000000000000000000000000000000000000000000000000'B
|
|
}
|
|
|
|
/* TS 44.060 sec 12.3 Ack/Nack Description */
|
|
private function f_acknackdesc_ack_block(inout AckNackDescription desc, uint7_t bsn, BIT1 final_ack := '0'B)
|
|
{
|
|
var integer i;
|
|
var integer inc := bsn - desc.starting_seq_nr + 1;
|
|
/* Filling hole? */
|
|
if (bsn < desc.starting_seq_nr) {
|
|
desc.receive_block_bitmap[lengthof(desc.receive_block_bitmap) - (desc.starting_seq_nr - bsn)] := int2bit(1, 1);
|
|
return;
|
|
}
|
|
|
|
/* SSN is increased, and so RBB values need to be moved */
|
|
for (i := 0; i < lengthof(desc.receive_block_bitmap) - inc; i := i+1) {
|
|
desc.receive_block_bitmap[i] := desc.receive_block_bitmap[i + inc];
|
|
}
|
|
for (i := lengthof(desc.receive_block_bitmap) - inc; i < lengthof(desc.receive_block_bitmap) - 1; i := i+1) {
|
|
desc.receive_block_bitmap[i] := int2bit(0, 1);
|
|
}
|
|
/* Now we can set current bit and update SSN */
|
|
desc.starting_seq_nr := bsn + 1;
|
|
desc.receive_block_bitmap[lengthof(desc.receive_block_bitmap) - 1] := int2bit(1, 1);
|
|
|
|
/* Finally update the final_ack bit as requested: */
|
|
desc.final_ack := final_ack;
|
|
}
|
|
|
|
/* FIXME: properly encode RA (see TS 24.060, table 11.2.5.2) */
|
|
private function f_establish_tbf(out GsmRrMessage rr_imm_ass, uint8_t bts_nr := 0,
|
|
uint16_t ra := oct2int('3A'O), uint8_t is_11bit := 0,
|
|
PCUIF_BurstType burst_type := BURST_TYPE_0,
|
|
TimingAdvance ta := 0)
|
|
runs on RAW_PCU_Test_CT return boolean {
|
|
var PCUIF_Message pcu_msg;
|
|
var GsmRrMessage rr_msg;
|
|
var uint32_t fn;
|
|
timer T;
|
|
|
|
/* FIXME: ask the BTS component to give us the current TDMA fn */
|
|
fn := 1337 + ta;
|
|
|
|
/* Send RACH.ind */
|
|
log("Sending RACH.ind on fn=", fn, " with RA=", ra, ", TA=", ta);
|
|
BTS.send(ts_PCUIF_RACH_IND(bts_nr := bts_nr, trx_nr := 0, ts_nr := 0,
|
|
ra := ra, is_11bit := is_11bit,
|
|
burst_type := burst_type,
|
|
fn := fn, arfcn := 871,
|
|
qta := ta * 4));
|
|
|
|
/* Expect Immediate (TBF) Assignment on TS0/AGCH */
|
|
T.start(2.0);
|
|
alt {
|
|
[] BTS.receive(tr_PCUIF_DATA_REQ(bts_nr := bts_nr, trx_nr := 0, ts_nr := 0,
|
|
sapi := PCU_IF_SAPI_AGCH, data := ?))
|
|
-> value pcu_msg {
|
|
rr_imm_ass := dec_GsmRrMessage(pcu_msg.u.data_req.data);
|
|
log("Rx Immediate Assignment: ", rr_imm_ass);
|
|
|
|
/* Make sure this assignment is for us
|
|
* TODO: Uplink or Downlink TBF? */
|
|
if (match(rr_imm_ass, tr_IMM_TBF_ASS(?, ra, fn))) {
|
|
setverdict(pass);
|
|
return true;
|
|
}
|
|
|
|
/* Not for us? Wait for more. */
|
|
repeat;
|
|
}
|
|
[] BTS.receive { repeat; }
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for Immediate Assignment");
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
private function f_imm_ass_verify_ul_tbf_ass(GsmRrMessage rr_imm_ass, out PacketUlAssign ul_tbf_ass)
|
|
runs on RAW_PCU_Test_CT return boolean {
|
|
|
|
/* Make sure we received an UL TBF Assignment */
|
|
if (match(rr_imm_ass, tr_IMM_TBF_ASS(dl := false, rest := tr_IaRestOctets_ULAss(?)))) {
|
|
ul_tbf_ass := rr_imm_ass.payload.imm_ass.rest_octets.hh.pa.uldl.ass.ul;
|
|
log("Rx Uplink TBF assignment: ", ul_tbf_ass);
|
|
setverdict(pass);
|
|
} else {
|
|
setverdict(fail, "Failed to match UL TBF Assignment");
|
|
return false;
|
|
}
|
|
|
|
/* Make sure we have got a TBF with Dynamic Block Allocation */
|
|
if (ul_tbf_ass.dynamic == omit) {
|
|
setverdict(fail, "Single Block Allocation is not handled by ", testcasename());
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private function f_imm_ass_verify_dl_tbf_ass(GsmRrMessage rr_imm_ass, out PacketDlAssign dl_tbf_ass)
|
|
runs on RAW_PCU_Test_CT return boolean {
|
|
|
|
/* Make sure we received a DL TBF Assignment */
|
|
if (match(rr_imm_ass, tr_IMM_TBF_ASS(dl := true, rest := tr_IaRestOctets_DLAss(?)))) {
|
|
dl_tbf_ass := rr_imm_ass.payload.imm_ass.rest_octets.hh.pa.uldl.ass.dl;
|
|
log("Rx Downlink TBF assignment: ", dl_tbf_ass);
|
|
setverdict(pass);
|
|
} else {
|
|
setverdict(fail, "Failed to match DL TBF Assignment");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/* Enqueue DATA.ind (both TDMA frame and block numbers to be patched) */
|
|
private function f_pcuif_tx_data_ind(octetstring data, int16_t lqual_cb := 0, uint32_t fn := 0)
|
|
runs on RAW_PCU_Test_CT {
|
|
var template RAW_PCU_EventParam ev_param := {tdma_fn := ? };
|
|
BTS.send(ts_PCUIF_DATA_IND(bts_nr := 0, trx_nr := 0, ts_nr := 7, block_nr := 0,
|
|
sapi := PCU_IF_SAPI_PDTCH, data := data,
|
|
fn := fn, arfcn := 871, lqual_cb := lqual_cb));
|
|
if (fn != 0) {
|
|
ev_param := {tdma_fn := fn };
|
|
}
|
|
BTS.receive(tr_RAW_PCU_EV(TDMA_EV_PDTCH_BLOCK_SENT, ev_param));
|
|
}
|
|
|
|
/* Enqueue RTS.req, expect DATA.req with UL ACK from the PCU */
|
|
private function f_pcuif_rx_data_req(out PCUIF_Message pcu_msg)
|
|
runs on RAW_PCU_Test_CT {
|
|
BTS.send(ts_PCUIF_RTS_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 7,
|
|
sapi := PCU_IF_SAPI_PDTCH, fn := 0,
|
|
arfcn := 871, block_nr := 0));
|
|
BTS.receive(tr_PCUIF_DATA_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 7,
|
|
sapi := PCU_IF_SAPI_PDTCH)) -> value pcu_msg;
|
|
}
|
|
|
|
/* Expect an Immediate Assignment (paging) from PCU on PCUIF on specified sapi. */
|
|
private function f_pcuif_rx_pch_imm_tbf_ass(out GsmRrMessage rr_imm_ass)
|
|
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_imm_ass := dec_GsmRrMessage(macblock);
|
|
if (not match(rr_imm_ass, tr_IMM_TBF_ASS())) {
|
|
setverdict(fail, "Failed to match Immediate Assignment: ", rr_imm_ass);
|
|
mtc.stop;
|
|
}
|
|
BTS.send(ts_PCUIF_DATA_CNF(bts_nr := 0, trx_nr := 0, ts_nr := 0, block_nr := 0,
|
|
fn := 0, 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;
|
|
/* Encode the payload of DATA.ind */
|
|
data := enc_RlcmacUlBlock(valueof(ul_data));
|
|
data := f_pad_oct(data, 23, '00'O); /* CS-1 */
|
|
|
|
/* Enqueue DATA.ind (both TDMA frame and block numbers to be patched) */
|
|
f_pcuif_tx_data_ind(data, lqual_cb, fn);
|
|
}
|
|
|
|
private function f_tx_rlcmac_ul_n_blocks(PacketUlAssign ul_tbf_ass, integer num_blocks := 1)
|
|
runs on RAW_PCU_Test_CT {
|
|
var template (value) RlcmacUlBlock ul_data := t_RLCMAC_UL_DATA(
|
|
tfi := ul_tbf_ass.dynamic.tfi_assignment,
|
|
cv := num_blocks - 1, /* num UL blocks to be sent (to be overridden in loop) */
|
|
bsn := 0, /* TODO: what should be here? */
|
|
blocks := { /* To be generated in loop */ });
|
|
|
|
/* HACK: patch missing TLLI; otherwise OsmoPCU rejects DATA.req */
|
|
ul_data.data.tlli := '00000001'O;
|
|
|
|
for (var integer i := 0; i < num_blocks; i := i + 1) {
|
|
/* Prepare a new UL block (CV, random payload) */
|
|
ul_data.data.mac_hdr.countdown := (num_blocks - i - 1);
|
|
ul_data.data.blocks := { valueof(t_RLCMAC_LLCBLOCK(f_rnd_octstring(10))) };
|
|
f_tx_rlcmac_ul_block(ul_data);
|
|
}
|
|
}
|
|
|
|
private function f_rx_rlcmac_dl_block(out RlcmacDlBlock dl_block, out uint32_t dl_fn)
|
|
runs on RAW_PCU_Test_CT {
|
|
var PCUIF_Message pcu_msg;
|
|
f_pcuif_rx_data_req(pcu_msg);
|
|
dl_block := dec_RlcmacDlBlock(pcu_msg.u.data_req.data);
|
|
dl_fn := pcu_msg.u.data_req.fn;
|
|
}
|
|
|
|
private function f_rx_rlcmac_dl_block_exp_ack_nack(out RlcmacDlBlock dl_block, out uint32_t poll_fn)
|
|
runs on RAW_PCU_Test_CT {
|
|
var uint32_t dl_fn;
|
|
|
|
f_rx_rlcmac_dl_block(dl_block, dl_fn);
|
|
if (not match(dl_block, tr_RLCMAC_UL_ACK_NACK(ul_tfi := ?, tlli := ?))) {
|
|
setverdict(fail, "Failed to match Packet Uplink ACK / NACK");
|
|
mtc.stop;
|
|
}
|
|
|
|
poll_fn := dl_fn + f_rrbp_fn_delay(dl_block.ctrl.mac_hdr.rrbp);
|
|
}
|
|
|
|
private function f_rx_rlcmac_dl_block_exp_dummy(out RlcmacDlBlock dl_block)
|
|
runs on RAW_PCU_Test_CT {
|
|
var uint32_t dl_fn;
|
|
|
|
f_rx_rlcmac_dl_block(dl_block, dl_fn);
|
|
if (not match(dl_block, tr_RLCMAC_DUMMY_CTRL())) {
|
|
setverdict(fail, "Failed to match Packet DUMMY DL");
|
|
mtc.stop;
|
|
}
|
|
}
|
|
|
|
private function f_rx_rlcmac_dl_block_exp_pkt_ass(out RlcmacDlBlock dl_block, out uint32_t poll_fn)
|
|
runs on RAW_PCU_Test_CT {
|
|
var uint32_t dl_fn;
|
|
|
|
f_rx_rlcmac_dl_block(dl_block, dl_fn);
|
|
if (not match(dl_block, tr_RLCMAC_DL_PACKET_ASS())) {
|
|
setverdict(fail, "Failed to match Packet Downlink Assignment");
|
|
mtc.stop;
|
|
}
|
|
|
|
poll_fn := dl_fn + f_rrbp_fn_delay(dl_block.ctrl.mac_hdr.rrbp);
|
|
}
|
|
|
|
private function f_rx_rlcmac_dl_block_exp_data(out RlcmacDlBlock dl_block, out uint32_t ack_fn, octetstring data, template (present) uint7_t exp_bsn := ?)
|
|
runs on RAW_PCU_Test_CT {
|
|
var PCUIF_Message pcu_msg;
|
|
var uint32_t dl_fn;
|
|
var template RlcmacDlBlock dl_template := tr_RLCMAC_DATA_RRBP;
|
|
dl_template.data.blocks := ?;
|
|
|
|
f_rx_rlcmac_dl_block(dl_block, dl_fn);
|
|
if (not match(dl_block, dl_template)) {
|
|
setverdict(fail, "Failed to match Packet data: ", dl_block, " vs ", dl_template);
|
|
mtc.stop;
|
|
}
|
|
|
|
ack_fn := dl_fn + f_rrbp_fn_delay(dl_block.data.mac_hdr.mac_hdr.rrbp);
|
|
|
|
if (not match(dl_block.data.mac_hdr.hdr_ext.bsn, exp_bsn)) {
|
|
setverdict(fail, "DL block BSN doesn't match: ",
|
|
dl_block.data.blocks[0].hdr.length_ind, " vs exp ", exp_bsn);
|
|
}
|
|
|
|
if (lengthof(dl_block.data.blocks) < 1) {
|
|
setverdict(fail, "DL block has no LLC payload: ", dl_block);
|
|
mtc.stop;
|
|
}
|
|
|
|
if (ispresent(dl_block.data.blocks[0].hdr) and dl_block.data.blocks[0].hdr.length_ind != lengthof(data)) {
|
|
setverdict(fail, "DL block has LLC header with wrong expected size: ",
|
|
dl_block.data.blocks[0].hdr.length_ind, " vs ", lengthof(data));
|
|
mtc.stop;
|
|
}
|
|
|
|
if (dl_block.data.blocks[0].payload != data) {
|
|
setverdict(fail, "Failed to match content of LLC payload in DL Block: ", dl_block, " vs ", data);
|
|
mtc.stop;
|
|
}
|
|
|
|
/* Check next data blocks contain dummy frames */
|
|
if (lengthof(dl_block.data.blocks) > 1 and substr(dl_block.data.blocks[1].payload, 0, 3) != '43C001'O) {
|
|
setverdict(fail, "Second data payload is not a dummy frame: ", dl_block.data.blocks[1].payload);
|
|
mtc.stop;
|
|
}
|
|
}
|
|
|
|
testcase TC_pcuif_suspend() runs on RAW_PCU_Test_CT {
|
|
var octetstring ra_id := enc_RoutingAreaIdentification(mp_gb_cfg.cell_id.ra_id);
|
|
var GprsTlli tlli := 'FFFFFFFF'O;
|
|
timer T;
|
|
|
|
/* 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();
|
|
|
|
BTS.send(ts_PCUIF_SUSP_REQ(0, tlli, ra_id, 0));
|
|
|
|
T.start(2.0);
|
|
alt {
|
|
[] BSSGP_SIG[0].receive(tr_BSSGP_SUSPEND(tlli, mp_gb_cfg.cell_id.ra_id)) {
|
|
setverdict(pass);
|
|
}
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for BSSGP SUSPEND");
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Test of correct Timing Advance at the time of TBF establishment
|
|
* (derived from timing offset of the Access Burst). */
|
|
testcase TC_ta_rach_imm_ass() runs on RAW_PCU_Test_CT {
|
|
var GsmRrMessage rr_msg;
|
|
var boolean ok;
|
|
|
|
/* Initialize the PCU interface abstraction */
|
|
f_init_raw(testcasename());
|
|
|
|
/* We cannot send too many TBF requests in a short time because
|
|
* at some point the PCU will fail to allocate a new TBF. */
|
|
for (var TimingAdvance ta := 0; ta < 64; ta := ta + 16) {
|
|
/* Establish an Uplink TBF (send RACH.ind with current TA) */
|
|
ok := f_establish_tbf(rr_msg, bts_nr := 0, ta := ta);
|
|
if (not ok) {
|
|
setverdict(fail, "Failed to establish an Uplink TBF");
|
|
mtc.stop;
|
|
}
|
|
|
|
/* Make sure Timing Advance IE matches out expectations */
|
|
if (match(rr_msg, tr_IMM_TBF_ASS(dl := false, ta := ta))) {
|
|
setverdict(pass);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Verify that the PCU generates valid PTCCH/D messages
|
|
* while neither Uplink nor Downlink TBF is established. */
|
|
testcase TC_ta_ptcch_idle() runs on RAW_PCU_Test_CT {
|
|
var PTCCHDownlinkMsg ptcch_msg;
|
|
var PCUIF_Message pcu_msg;
|
|
timer T;
|
|
|
|
/* Initialize the PCU interface abstraction */
|
|
f_init_raw(testcasename());
|
|
|
|
/* Sent an RTS.req for PTCCH/D */
|
|
BTS.send(ts_PCUIF_RTS_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 7,
|
|
sapi := PCU_IF_SAPI_PTCCH, fn := 0,
|
|
arfcn := 871, block_nr := 0));
|
|
T.start(5.0);
|
|
alt {
|
|
[] BTS.receive(tr_PCUIF_DATA_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 7,
|
|
sapi := PCU_IF_SAPI_PTCCH)) -> value pcu_msg {
|
|
log("Rx DATA.req message: ", pcu_msg);
|
|
setverdict(pass);
|
|
}
|
|
[] BTS.receive(PCUIF_Message:?) { repeat; }
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for a PTCCH/D block");
|
|
mtc.stop;
|
|
}
|
|
}
|
|
|
|
ptcch_msg := dec_PTCCHDownlinkMsg(pcu_msg.u.data_req.data);
|
|
log("Decoded PTCCH/D message: ", ptcch_msg);
|
|
|
|
/* Make sure the message is encoded correctly
|
|
* TODO: do we expect all TA values to be equal '1111111'B? */
|
|
if (not match(ptcch_msg, tr_PTCCHDownlinkMsg)) {
|
|
setverdict(fail, "Malformed PTCCH/D message");
|
|
mtc.stop;
|
|
}
|
|
}
|
|
|
|
/* Test of correct Timing Advance during an active Uplink TBF.
|
|
*
|
|
* Unlike the circuit-switched domain, Uplink transmissions on PDCH time-slots
|
|
* are not continuous and there can be long time gaps between them. This happens
|
|
* due to a bursty nature of packet data. The actual Timing Advance of a MS may
|
|
* significantly change between such rare Uplink transmissions, so GPRS introduces
|
|
* additional mechanisms to control Timing Advance, and thus reduce interference
|
|
* between neighboring TDMA time-slots.
|
|
*
|
|
* At the moment of Uplink TBF establishment, initial Timing Advance is measured
|
|
* from ToA (Timing of Arrival) of an Access Burst. This is covered by another
|
|
* test case - TC_ta_rach_imm_ass. In response to that Access Burst the network
|
|
* sends Immediate Assignment on AGCH, which _may_ contain Timing Advance Index
|
|
* among with the initial Timing Advance value. And here PTCCH comes to play.
|
|
*
|
|
* PTCCH is a unidirectional channel on which the network can instruct a sub-set
|
|
* of 16 MS (whether TBFs are active or not) to adjust their Timing Advance
|
|
* continuously. To ensure continuous measurements of the signal propagation
|
|
* delay, the MSs shall transmit Access Bursts on Uplink (PTCCH/U) on sub-slots
|
|
* defined by an assigned Timing Advance Index (see 3GPP TS 45.002).
|
|
*
|
|
* The purpose of this test case is to verify the assignment of Timing Advance
|
|
* Index, and the process of Timing Advance notification on PTCCH/D. The MTC
|
|
* first establishes several Uplink TBFs, but does not transmit any Uplink
|
|
* blocks on them. During 4 TDMA multi-frame periods the MTC is sending RACH
|
|
* indications to the PCU, checking the correctness of two received PTCCH/D
|
|
* messages (period of PTCCH/D is two multi-frames).
|
|
*/
|
|
|
|
/* List of ToA values for Access Bursts to be sent on PTCCH/U,
|
|
* each ToA (Timing of Arrival) value is in units of 1/4 of
|
|
* a symbol (i.e. 1 symbol is 4 QTA units). */
|
|
type record length(16) of int16_t PTCCH_TAI_ToA_MAP;
|
|
const PTCCH_TAI_ToA_MAP ptcch_toa_map_def := {
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0
|
|
};
|
|
|
|
private altstep as_ta_ptcch(uint8_t bts_nr := 0, uint8_t trx_nr := 0, uint8_t ts_nr := 7,
|
|
in PTCCH_TAI_ToA_MAP toa_map := ptcch_toa_map_def)
|
|
runs on RAW_PCU_Test_CT {
|
|
var RAW_PCU_Event event;
|
|
var integer ss;
|
|
|
|
/* Send Access Bursts on PTCCH/U for every TA Index */
|
|
[] BTS.receive(tr_RAW_PCU_EV(TDMA_EV_PTCCH_UL_BURST)) -> value event {
|
|
ss := f_tdma_ptcch_fn2ss(event.data.tdma_fn);
|
|
if (ss < 0) { mtc.stop; } /* Shall not happen */
|
|
|
|
log("Sending an Access Burst on PTCCH/U",
|
|
", sub-slot=", ss, " (TAI)",
|
|
", fn=", event.data.tdma_fn,
|
|
", ToA=", toa_map[ss], " (QTA)");
|
|
/* TODO: do we care about RA and burst format? */
|
|
BTS.send(ts_PCUIF_RACH_IND(bts_nr, trx_nr, ts_nr,
|
|
ra := oct2int('3A'O),
|
|
is_11bit := 0,
|
|
burst_type := BURST_TYPE_0,
|
|
fn := event.data.tdma_fn,
|
|
arfcn := 871,
|
|
qta := toa_map[ss],
|
|
sapi := PCU_IF_SAPI_PTCCH));
|
|
repeat;
|
|
}
|
|
}
|
|
|
|
private function f_TC_ta_ptcch_ul_multi_tbf(in PTCCH_TAI_ToA_MAP ptcch_toa_map,
|
|
template PTCCHDownlinkMsg t_ta_msg)
|
|
runs on RAW_PCU_Test_CT {
|
|
var PTCCHDownlinkMsg ta_msg;
|
|
var PCUIF_Message pcu_msg;
|
|
timer T;
|
|
|
|
/* First, send an RTS.req for the upcoming PTCCH/D block */
|
|
BTS.send(ts_PCUIF_RTS_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 7,
|
|
sapi := PCU_IF_SAPI_PTCCH, fn := 0,
|
|
arfcn := 871, block_nr := 0));
|
|
T.start(2.0);
|
|
alt {
|
|
/* Keep sending of Access Bursts during two multi-frames (period of PTCCH/D)
|
|
* with increasing ToA (Timing of Arrival) values: 0, 7, 14, 28, 35... */
|
|
[] as_ta_ptcch(bts_nr := 0, trx_nr := 0, ts_nr := 7, toa_map := ptcch_toa_map);
|
|
/* In the end of 2nd multi-frame we should receive a PTCCH/D block */
|
|
[] BTS.receive(tr_PCUIF_DATA_REQ(bts_nr := 0, trx_nr := 0, ts_nr := 7,
|
|
sapi := PCU_IF_SAPI_PTCCH)) -> value pcu_msg {
|
|
ta_msg := dec_PTCCHDownlinkMsg(pcu_msg.u.data_req.data);
|
|
log("Rx PTCCH/D message: ", ta_msg);
|
|
|
|
/* Make sure Timing Advance values match our expectations */
|
|
if (match(ta_msg, t_ta_msg)) {
|
|
setverdict(pass);
|
|
} else {
|
|
setverdict(fail, "PTCCH/D message does not match: ", t_ta_msg);
|
|
}
|
|
}
|
|
[] BTS.receive { repeat; }
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for a PTCCH/D block");
|
|
mtc.stop;
|
|
}
|
|
}
|
|
}
|
|
|
|
testcase TC_ta_ptcch_ul_multi_tbf() runs on RAW_PCU_Test_CT {
|
|
var template PacketUlAssign t_ul_tbf_ass;
|
|
var PacketUlAssign ul_tbf_ass[7];
|
|
var GsmRrMessage rr_msg[7];
|
|
var boolean ok;
|
|
|
|
/* Initialize the PCU interface abstraction */
|
|
f_init_raw(testcasename());
|
|
|
|
/* Enable forwarding of PTCCH/U TDMA events to us */
|
|
BTS.send(ts_RAW_PCU_CMD(TDMA_CMD_ENABLE_PTCCH_UL_FWD));
|
|
|
|
/* Establish 7 Uplink TBFs (USF flag is 3 bits long, '111'B is reserved) */
|
|
for (var integer i := 0; i < 7; i := i + 1) {
|
|
ok := f_establish_tbf(rr_msg[i], ta := 0);
|
|
if (not ok) {
|
|
setverdict(fail, "Failed to establish an Uplink TBF #", i);
|
|
mtc.stop;
|
|
}
|
|
|
|
/* Make sure we received an UL TBF Assignment */
|
|
if (match(rr_msg[i], tr_IMM_TBF_ASS(dl := false, rest := tr_IaRestOctets_ULAss(?)))) {
|
|
ul_tbf_ass[i] := rr_msg[i].payload.imm_ass.rest_octets.hh.pa.uldl.ass.ul;
|
|
log("Rx Uplink TBF assignment for #", i, ": ", ul_tbf_ass[i]);
|
|
} else {
|
|
setverdict(fail, "Failed to match UL TBF Assignment for #", i);
|
|
mtc.stop;
|
|
}
|
|
|
|
/* We expect incremental TFI/USF assignment (dynamic allocation) */
|
|
t_ul_tbf_ass := tr_PacketUlDynAssign(tfi := i, usf := i);
|
|
if (not match(ul_tbf_ass[i], t_ul_tbf_ass)) {
|
|
setverdict(fail, "Failed to match Packet Uplink Assignment for #", i);
|
|
mtc.stop;
|
|
}
|
|
|
|
/* We also expect Timing Advance Index to be a part of the assignment */
|
|
if (ul_tbf_ass[i].dynamic.ta_index != i) {
|
|
setverdict(fail, "Failed to match Timing Advance Index for #", i);
|
|
/* Keep going, the current OsmoPCU does not assign TA Index */
|
|
}
|
|
}
|
|
|
|
/* Prepare a list of ToA values for Access Bursts to be sent on PTCCH/U */
|
|
var PTCCH_TAI_ToA_MAP toa_map := ptcch_toa_map_def;
|
|
for (var integer i := 0; i < 7; i := i + 1) {
|
|
/* ToA in units of 1/4 of a symbol */
|
|
toa_map[i] := (i + 1) * 7 * 4;
|
|
}
|
|
|
|
/* Now we have all 7 TBFs established in one-phase access mode,
|
|
* however we will not be sending any data on them. Instead, we
|
|
* will be sending RACH.ind on PTCCH/U during 4 multi-frame
|
|
* periods (TAI 0..8), and then will check two PTCCH/D blocks.
|
|
*
|
|
* Why not 4 TBFs at once? Because Uplink is delayed by 3 TDMA
|
|
* time-slots, so at the moment of scheduling a PTCCH/D block
|
|
* the PCU has odd number of PTCCH/U Access Bursts received. */
|
|
f_TC_ta_ptcch_ul_multi_tbf(toa_map, tr_PTCCHDownlinkMsg(
|
|
tai0_ta := 7, tai1_ta := 14, tai2_ta := 21,
|
|
/* Other values are not known (yet) */
|
|
tai3_ta := ?));
|
|
f_TC_ta_ptcch_ul_multi_tbf(toa_map, tr_PTCCHDownlinkMsg(
|
|
tai0_ta := 7, tai1_ta := 14, tai2_ta := 21,
|
|
tai3_ta := 28, tai4_ta := 35, tai5_ta := 42,
|
|
/* Other values are out of our interest */
|
|
tai6_ta := ?));
|
|
}
|
|
|
|
/* Default link quality adaptation (Coding Scheme) ranges (inclusive).
|
|
* OsmoPCU (VTY): cs link-quality-ranges cs1 6 cs2 5 8 cs3 7 13 cs4 12
|
|
*
|
|
* NOTE: the ranges are intentionally overlapping because OsmoPCU
|
|
* does not change CS/MCS on the range borders (5-6, 7-8, 12-13). */
|
|
private template integer CS1_lqual_dB_range := (-infinity .. 6);
|
|
private template integer CS2_lqual_dB_range := (5 .. 8);
|
|
private template integer CS3_lqual_dB_range := (7 .. 13);
|
|
private template integer CS4_lqual_dB_range := (12 .. infinity);
|
|
|
|
testcase TC_cs_lqual_ul_tbf() runs on RAW_PCU_Test_CT {
|
|
var GsmRrMessage rr_imm_ass;
|
|
var PacketUlAssign ul_tbf_ass;
|
|
var RlcmacDlBlock dl_block;
|
|
var PCUIF_Message pcu_msg;
|
|
var octetstring data;
|
|
var boolean ok;
|
|
var uint32_t unused_fn;
|
|
|
|
/* Initialize the PCU interface abstraction */
|
|
f_init_raw(testcasename());
|
|
|
|
f_pcuvty_set_allowed_cs_mcs();
|
|
f_pcuvty_set_link_quality_ranges();
|
|
|
|
/* 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;
|
|
}
|
|
|
|
var template (value) RlcmacUlBlock ul_data := t_RLCMAC_UL_DATA(
|
|
tfi := ul_tbf_ass.dynamic.tfi_assignment,
|
|
cv := 15, /* 16 UL blocks to be sent (to be overridden in loop) */
|
|
bsn := 0, /* TODO: what should be here? */
|
|
blocks := { /* To be generated in loop */ });
|
|
|
|
/* HACK: patch missing TLLI; otherwise OsmoPCU rejects DATA.req */
|
|
ul_data.data.tlli := '00000001'O;
|
|
|
|
/* The actual / old link quality values. We need to keep track of the old
|
|
* (basically previous) link quality value, because OsmoPCU actually
|
|
* changes the coding scheme if not only the actual, but also the old
|
|
* value leaves the current link quality range (window). */
|
|
var integer lqual := 0;
|
|
var integer lqual_old;
|
|
|
|
/* 16 UL blocks (0 .. 15 dB, step = 1 dB) */
|
|
for (var integer i := 0; i < 16; i := i + 1) {
|
|
/* Prepare a new UL block (CV, random payload) */
|
|
ul_data.data.mac_hdr.countdown := (15 - i);
|
|
ul_data.data.blocks := { valueof(t_RLCMAC_LLCBLOCK(f_rnd_octstring(10))) };
|
|
|
|
/* Update the old / actual link quality */
|
|
lqual_old := lqual;
|
|
lqual := i;
|
|
|
|
/* Enqueue DATA.ind (both TDMA frame and block numbers to be patched) */
|
|
log("Sending DATA.ind with link quality (dB): ", lqual);
|
|
f_tx_rlcmac_ul_block(ul_data, lqual * 10);
|
|
|
|
/* Enqueue RTS.req, expect DATA.req with UL ACK from the PCU */
|
|
f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, unused_fn);
|
|
|
|
log("Rx Packet Uplink ACK / NACK with Channel Coding Command: ",
|
|
dl_block.ctrl.payload.u.ul_ack_nack.gprs.ch_coding_cmd);
|
|
|
|
/* Match the received Channel Coding Command. Since we are increasing
|
|
* the link quality value on each iteration and not decreasing, there
|
|
* is no need to check the both old and current link quality values. */
|
|
var template ChCodingCommand ch_coding;
|
|
select (lqual_old) {
|
|
case (CS1_lqual_dB_range) { ch_coding := CH_CODING_CS1; }
|
|
case (CS2_lqual_dB_range) { ch_coding := CH_CODING_CS2; }
|
|
case (CS3_lqual_dB_range) { ch_coding := CH_CODING_CS3; }
|
|
case (CS4_lqual_dB_range) { ch_coding := CH_CODING_CS4; }
|
|
}
|
|
|
|
if (not match(dl_block.ctrl.payload.u.ul_ack_nack.gprs.ch_coding_cmd, ch_coding)) {
|
|
setverdict(fail, "Channel Coding does not match our expectations: ", ch_coding);
|
|
} else {
|
|
setverdict(pass);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Test the max UL CS set by VTY works fine */
|
|
testcase TC_cs_initial_ul() runs on RAW_PCU_Test_CT {
|
|
var GsmRrMessage rr_imm_ass;
|
|
var PacketUlAssign ul_tbf_ass;
|
|
var RlcmacDlBlock dl_block;
|
|
var boolean ok;
|
|
var integer lqual_cb;
|
|
var ChCodingCommand last_ch_coding;
|
|
var uint32_t unused_fn;
|
|
|
|
/* Initialize the PCU interface abstraction */
|
|
f_init_raw(testcasename());
|
|
|
|
/* Set initial UL CS to 3 */
|
|
g_cs_initial_ul := 3;
|
|
f_pcuvty_set_allowed_cs_mcs();
|
|
f_pcuvty_set_link_quality_ranges();
|
|
|
|
/* Take lqual (dB->cB) so that we stay in that CS */
|
|
lqual_cb := g_cs_lqual_ranges[2].low * 10;
|
|
|
|
/* 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;
|
|
}
|
|
|
|
var template (value) RlcmacUlBlock ul_data := t_RLCMAC_UL_DATA(
|
|
tfi := ul_tbf_ass.dynamic.tfi_assignment,
|
|
cv := 3, /* 8 UL blocks to be sent (to be overridden in loop) */
|
|
bsn := 0, /* TODO: what should be here? */
|
|
blocks := { /* To be generated in loop */ });
|
|
|
|
/* HACK: patch missing TLLI; otherwise OsmoPCU rejects DATA.req */
|
|
ul_data.data.tlli := '00000001'O;
|
|
|
|
/* 3 UL blocks, check we are in same initial CS: */
|
|
for (var integer i := 0; i < 3; i := i + 1) {
|
|
/* Prepare a new UL block (CV, random payload) */
|
|
ul_data.data.mac_hdr.countdown := (7 - i);
|
|
ul_data.data.blocks := { valueof(t_RLCMAC_LLCBLOCK(f_rnd_octstring(10))) };
|
|
|
|
/* Enqueue DATA.ind (both TDMA frame and block numbers to be patched) */
|
|
f_tx_rlcmac_ul_block(ul_data, lqual_cb);
|
|
|
|
/* Enqueue RTS.req, expect DATA.req with UL ACK from the PCU */
|
|
f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, unused_fn);
|
|
last_ch_coding := dl_block.ctrl.payload.u.ul_ack_nack.gprs.ch_coding_cmd;
|
|
}
|
|
|
|
if (last_ch_coding != CH_CODING_CS3) {
|
|
setverdict(fail, "Channel Coding does not match our expectations (CS-3): ", last_ch_coding);
|
|
mtc.stop;
|
|
}
|
|
|
|
setverdict(pass);
|
|
|
|
/* Remaining UL blocks are used to make sure regardless of initial
|
|
/* lqual, we can go lower at any time */
|
|
|
|
/* 5 UL blocks, check we are in same initial CS: */
|
|
for (var integer i := 3; i < 8; i := i + 1) {
|
|
/* Prepare a new UL block (CV, random payload) */
|
|
ul_data.data.mac_hdr.countdown := (7 - i);
|
|
ul_data.data.blocks := { valueof(t_RLCMAC_LLCBLOCK(f_rnd_octstring(10))) };
|
|
|
|
/* Enqueue DATA.ind (both TDMA frame and block numbers to be patched) */
|
|
f_tx_rlcmac_ul_block(ul_data, 0); /* 0 dB, make sure we downgrade CS */
|
|
|
|
/* Enqueue RTS.req, expect DATA.req with UL ACK from the PCU */
|
|
f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, unused_fn);
|
|
|
|
last_ch_coding := dl_block.ctrl.payload.u.ul_ack_nack.gprs.ch_coding_cmd;
|
|
}
|
|
|
|
if (last_ch_coding != CH_CODING_CS1) {
|
|
setverdict(fail, "Channel Coding does not match our expectations (CS-1): ", last_ch_coding);
|
|
} else {
|
|
setverdict(pass);
|
|
}
|
|
}
|
|
|
|
/* Test the max UL CS set by VTY works fine */
|
|
testcase TC_cs_max_ul() runs on RAW_PCU_Test_CT {
|
|
var GsmRrMessage rr_imm_ass;
|
|
var PacketUlAssign ul_tbf_ass;
|
|
var RlcmacDlBlock dl_block;
|
|
var boolean ok;
|
|
var ChCodingCommand last_ch_coding;
|
|
var uint32_t unused_fn;
|
|
|
|
/* Initialize the PCU interface abstraction */
|
|
f_init_raw(testcasename());
|
|
|
|
/* Set maximum allowed UL CS to 3 */
|
|
g_cs_max_ul := 3;
|
|
f_pcuvty_set_allowed_cs_mcs();
|
|
f_pcuvty_set_link_quality_ranges();
|
|
|
|
/* 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;
|
|
}
|
|
|
|
var template (value) RlcmacUlBlock ul_data := t_RLCMAC_UL_DATA(
|
|
tfi := ul_tbf_ass.dynamic.tfi_assignment,
|
|
cv := 15, /* 16 UL blocks to be sent (to be overridden in loop) */
|
|
bsn := 0, /* TODO: what should be here? */
|
|
blocks := { /* To be generated in loop */ });
|
|
|
|
/* HACK: patch missing TLLI; otherwise OsmoPCU rejects DATA.req */
|
|
ul_data.data.tlli := '00000001'O;
|
|
|
|
/* 16 UL blocks */
|
|
for (var integer i := 0; i < 16; i := i + 1) {
|
|
/* Prepare a new UL block (CV, random payload) */
|
|
ul_data.data.mac_hdr.countdown := (15 - i);
|
|
ul_data.data.blocks := { valueof(t_RLCMAC_LLCBLOCK(f_rnd_octstring(10))) };
|
|
|
|
/* Enqueue DATA.ind (both TDMA frame and block numbers to be patched) */
|
|
f_tx_rlcmac_ul_block(ul_data, 40*10); /* 40 dB */
|
|
|
|
/* Enqueue RTS.req, expect DATA.req with UL ACK from the PCU */
|
|
f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, unused_fn);
|
|
|
|
last_ch_coding := dl_block.ctrl.payload.u.ul_ack_nack.gprs.ch_coding_cmd;
|
|
}
|
|
|
|
if (last_ch_coding != CH_CODING_CS3) {
|
|
setverdict(fail, "Channel Coding does not match our expectations (CS-3): ", last_ch_coding);
|
|
} else {
|
|
setverdict(pass);
|
|
}
|
|
}
|
|
|
|
/* Verify PCU drops TBF after some time of inactivity. */
|
|
testcase TC_t3169() runs on RAW_PCU_Test_CT {
|
|
var PCUIF_info_ind info_ind;
|
|
var GsmRrMessage rr_imm_ass;
|
|
var PacketUlAssign ul_tbf_ass;
|
|
var RlcmacDlBlock dl_block;
|
|
var PCUIF_Message pcu_msg;
|
|
var octetstring data;
|
|
var boolean ok;
|
|
var uint32_t unused_fn;
|
|
var OCT4 tlli := '00000001'O;
|
|
|
|
/* Initialize NS/BSSGP side */
|
|
f_init_bssgp();
|
|
|
|
info_ind := valueof(ts_PCUIF_INFO_default);
|
|
/* Set timer to 1 sec (default 5) to speedup test: */
|
|
info_ind.t3169 := 1;
|
|
|
|
/* Initialize the PCU interface abstraction */
|
|
f_init_raw(testcasename(), info_ind);
|
|
|
|
/* 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 one UL block and make sure it is ACKED fine */
|
|
f_tx_rlcmac_ul_n_blocks(ul_tbf_ass, 1);
|
|
f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, unused_fn);
|
|
/* UL block should be received in SGSN */
|
|
BSSGP[0].receive(tr_BSSGP_UL_UD(tlli, mp_gb_cfg.cell_id));
|
|
|
|
/* Wait until T3169 fires (plus 1 extra sec to make sure) */
|
|
f_sleep(int2float(info_ind.t3169) + 1.0);
|
|
|
|
/* Send an UL block once again, the TBF should be gone by now so no ACK */
|
|
f_tx_rlcmac_ul_n_blocks(ul_tbf_ass, 1);
|
|
f_rx_rlcmac_dl_block_exp_dummy(dl_block);
|
|
}
|
|
|
|
/* Verify that a Downlink TBF can be assigned using PACCH shortly after the
|
|
* release of prev DL TBF due to MS staying in PDCH for a while (T3192, in PCU
|
|
* T3193) after DL TBF release */
|
|
testcase TC_t3193() runs on RAW_PCU_Test_CT {
|
|
var GsmRrMessage rr_imm_ass;
|
|
var PacketDlAssign dl_tbf_ass;
|
|
var RlcmacDlBlock dl_block;
|
|
var octetstring data := f_rnd_octstring(10);
|
|
var boolean ok;
|
|
var uint32_t sched_fn;
|
|
var OCT4 tlli := '00000001'O;
|
|
var AckNackDescription ack_nack_desc := valueof(t_AckNackDescription_init);
|
|
|
|
/* 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);
|
|
|
|
/* SGSN sends some DL data, PCU will page on CCCH (PCH) */
|
|
BSSGP[0].send(ts_BSSGP_DL_UD(tlli, data));
|
|
f_pcuif_rx_pch_imm_tbf_ass(rr_imm_ass);
|
|
ok := f_imm_ass_verify_dl_tbf_ass(rr_imm_ass, dl_tbf_ass);
|
|
if (not ok) {
|
|
setverdict(fail, "Immediate Assignment not a Downlink TBF");
|
|
mtc.stop;
|
|
}
|
|
/* Wait timer X2002 and DL block is available after CCCH IMM ASS: */
|
|
f_sleep(X2002);
|
|
f_rx_rlcmac_dl_block_exp_data(dl_block, sched_fn, data, 0);
|
|
|
|
/* ACK the DL block */
|
|
f_acknackdesc_ack_block(ack_nack_desc, dl_block.data.mac_hdr.hdr_ext.bsn, '1'B);
|
|
f_tx_rlcmac_ul_block(ts_RLCMAC_DL_ACK_NACK(dl_block.data.mac_hdr.hdr_ext.tfi, ack_nack_desc), 0, sched_fn);
|
|
/* we are done with the DL-TBF here so far, let's clean up our local state: */
|
|
ack_nack_desc := valueof(t_AckNackDescription_init)
|
|
|
|
/* Now that final DL block is ACKED and TBF is released, T3193 in PCU
|
|
(T3192 in MS) was started and until it fires the MS will be abailable
|
|
on PDCH in case new data arrives from SGSN. Let's verify it: */
|
|
BSSGP[0].send(ts_BSSGP_DL_UD(tlli, data));
|
|
f_rx_rlcmac_dl_block_exp_pkt_ass(dl_block, sched_fn);
|
|
f_tx_rlcmac_ul_block(ts_RLCMAC_CTRL_ACK(tlli), 0, sched_fn);
|
|
|
|
/* Now that we confirmed the new assignment in the dl-tbf, lets receive the data and ack it */
|
|
f_rx_rlcmac_dl_block_exp_data(dl_block, sched_fn, data, 0);
|
|
f_acknackdesc_ack_block(ack_nack_desc, dl_block.data.mac_hdr.hdr_ext.bsn, '1'B);
|
|
f_tx_rlcmac_ul_block(ts_RLCMAC_DL_ACK_NACK(dl_block.data.mac_hdr.hdr_ext.tfi, ack_nack_desc), 0, sched_fn);
|
|
}
|
|
|
|
/* Test scenario where MS wants to send some data on PDCH against SGSN and it is
|
|
* answered, so TBFs for uplink and later for downlink are created.
|
|
*/
|
|
testcase TC_mo_ping_pong() runs on RAW_PCU_Test_CT {
|
|
var GsmRrMessage rr_imm_ass;
|
|
var PacketUlAssign ul_tbf_ass;
|
|
var PacketDlAssign dl_tbf_ass;
|
|
var RlcmacDlBlock dl_block;
|
|
var PCUIF_Message pcu_msg;
|
|
var octetstring data := f_rnd_octstring(10);
|
|
var boolean ok;
|
|
var uint32_t sched_fn;
|
|
var OCT4 tlli := '00000001'O;
|
|
var AckNackDescription ack_nack_desc := valueof(t_AckNackDescription_init);
|
|
|
|
/* 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 one UL block and make sure it is ACKED fine */
|
|
f_tx_rlcmac_ul_n_blocks(ul_tbf_ass, 1);
|
|
f_rx_rlcmac_dl_block_exp_ack_nack(dl_block, sched_fn);
|
|
/* DL ACK/NACK sets poll+rrbp requesting PACKET CONTROL ACK */
|
|
f_tx_rlcmac_ul_block(ts_RLCMAC_CTRL_ACK(tlli), 0, sched_fn);
|
|
|
|
/* UL block should be received in SGSN */
|
|
BSSGP[0].receive(tr_BSSGP_UL_UD(tlli, mp_gb_cfg.cell_id));
|
|
|
|
/* Now SGSN sends some DL data, PCU will page on CCCH (PCH) */
|
|
BSSGP[0].send(ts_BSSGP_DL_UD(tlli, data));
|
|
f_pcuif_rx_pch_imm_tbf_ass(rr_imm_ass);
|
|
|
|
ok := f_imm_ass_verify_dl_tbf_ass(rr_imm_ass, dl_tbf_ass);
|
|
if (not ok) {
|
|
setverdict(fail, "Immediate Assignment not a Downlink TBF");
|
|
mtc.stop;
|
|
}
|
|
|
|
/* Wait timer X2002 and DL block is available after CCCH IMM ASS: */
|
|
f_sleep(X2002);
|
|
f_rx_rlcmac_dl_block_exp_data(dl_block, sched_fn, data, 0);
|
|
|
|
/* ACK the DL block */
|
|
f_acknackdesc_ack_block(ack_nack_desc, dl_block.data.mac_hdr.hdr_ext.bsn, '1'B);
|
|
f_tx_rlcmac_ul_block(ts_RLCMAC_DL_ACK_NACK(dl_block.data.mac_hdr.hdr_ext.tfi, ack_nack_desc), 0, sched_fn);
|
|
}
|
|
|
|
/* Verify that if PCU doesn't get an ACK for first DL block after IMM ASS, it
|
|
* will retry by retransmitting both the IMM ASS + DL block after poll (ack)
|
|
* timeout occurs (specified by sent RRBP on DL block). */
|
|
testcase TC_imm_ass_dl_block_retrans() runs on RAW_PCU_Test_CT {
|
|
var GsmRrMessage rr_imm_ass;
|
|
var PacketDlAssign dl_tbf_ass;
|
|
var RlcmacDlBlock dl_block;
|
|
var octetstring data := f_rnd_octstring(10);
|
|
var boolean ok;
|
|
var uint32_t sched_fn;
|
|
var OCT4 tlli := '00000001'O;
|
|
var AckNackDescription ack_nack_desc := valueof(t_AckNackDescription_init);
|
|
|
|
/* 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);
|
|
|
|
/* SGSN sends some DL data, PCU will page on CCCH (PCH) */
|
|
BSSGP[0].send(ts_BSSGP_DL_UD(tlli, data));
|
|
f_pcuif_rx_pch_imm_tbf_ass(rr_imm_ass);
|
|
ok := f_imm_ass_verify_dl_tbf_ass(rr_imm_ass, dl_tbf_ass);
|
|
if (not ok) {
|
|
setverdict(fail, "Immediate Assignment not a Downlink TBF");
|
|
mtc.stop;
|
|
}
|
|
|
|
/* Wait timer X2002 and DL block is available after CCCH IMM ASS: */
|
|
f_sleep(X2002);
|
|
f_rx_rlcmac_dl_block_exp_data(dl_block, sched_fn, data, 0);
|
|
|
|
/* Now we don't ack the dl block (emulate MS failed receiveing IMM ASS
|
|
* or GPRS DL, or DL ACK was lost for some reason). As a result, PCU
|
|
* should retrigger IMM ASS + GPRS DL procedure after poll timeout. */
|
|
f_pcuif_rx_pch_imm_tbf_ass(rr_imm_ass);
|
|
ok := f_imm_ass_verify_dl_tbf_ass(rr_imm_ass, dl_tbf_ass);
|
|
if (not ok) {
|
|
setverdict(fail, "Immediate Assignment not a Downlink TBF");
|
|
mtc.stop;
|
|
}
|
|
/* Wait timer X2002 and DL block is available after CCCH IMM ASS: */
|
|
f_sleep(X2002);
|
|
f_rx_rlcmac_dl_block_exp_data(dl_block, sched_fn, data, 0);
|
|
|
|
/* ACK the DL block */
|
|
f_acknackdesc_ack_block(ack_nack_desc, dl_block.data.mac_hdr.hdr_ext.bsn, '1'B);
|
|
f_tx_rlcmac_ul_block(ts_RLCMAC_DL_ACK_NACK(dl_block.data.mac_hdr.hdr_ext.tfi, ack_nack_desc), 0, sched_fn);
|
|
}
|
|
|
|
control {
|
|
execute( TC_ns_reset() );
|
|
execute( TC_ns_reset_retrans() );
|
|
execute( TC_ns_alive() );
|
|
execute( TC_ns_alive_timeout_reset() );
|
|
execute( TC_ns_unblock() );
|
|
execute( TC_ns_unblock_retrans() );
|
|
execute( TC_ns_full_bringup() );
|
|
execute( TC_ns_so_block() );
|
|
|
|
execute( TC_pcuif_suspend() );
|
|
execute( TC_ta_ptcch_idle() );
|
|
execute( TC_ta_rach_imm_ass() );
|
|
execute( TC_ta_ptcch_ul_multi_tbf() );
|
|
execute( TC_cs_lqual_ul_tbf() );
|
|
execute( TC_cs_initial_ul() );
|
|
execute( TC_cs_max_ul() );
|
|
execute( TC_t3169() );
|
|
execute( TC_t3193() );
|
|
execute( TC_mo_ping_pong() );
|
|
execute( TC_imm_ass_dl_block_retrans() );
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
}
|