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osmo-ttcn3-hacks
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pcu: Add SNS tests for SGSN-originated BVC-RESET handling 

Change-Id: Ib6b80acf98711f4749da4faf549b02ff2b82425f
This commit is contained in:
Harald Welte 2019-03-20 09:48:39 +01:00
parent 99a033e917
commit 64d0731c5b
2 changed files with 76 additions and 8 deletions
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23
pcu/PCU_Tests_RAW.ttcn
View File

@ -172,6 +172,29 @@ altstep as_rx_alive_tx_ack(boolean oneshot := false, integer idx := 0) runs on R
}
}
/* Transmit BSSGP RESET for given BVCI and expect ACK */
function f_tx_bvc_reset_rx_ack(BssgpBvci bvci, integer idx := 0, boolean exp_ack := true)
runs on RAW_NS_CT {
var PDU_BSSGP bssgp_tx := valueof(ts_BVC_RESET(BSSGP_CAUSE_NET_SV_CAP_MOD_GT_ZERO_KBPS, bvci,
mp_gb_cfg.cell_id));
timer T := 5.0;
NSCP[idx].send(t_NS_Send(g_ns_conn_id[idx], ts_NS_UNITDATA(t_SduCtrlB, 0, enc_PDU_BSSGP(bssgp_tx))));
T.start;
alt {
[exp_ack] NSCP[idx].receive(t_NS_RecvFrom(tr_NS_UNITDATA(t_SduCtrlB, 0,
decmatch tr_BVC_RESET_ACK(bvci, ?)))) {
setverdict(pass);
}
[exp_ack] T.timeout {
setverdict(fail, "No response to BVC-RESET");
}
[not exp_ack] T.timeout {
setverdict(pass);
}
[] NSCP[idx].receive { repeat; }
}
}
/* Receive a BSSGP RESET for given BVCI and ACK it */
altstep as_rx_bvc_reset_tx_ack(BssgpBvci bvci, boolean oneshot := false, integer idx := 0) runs on RAW_NS_CT {
var NS_RecvFrom ns_rf;

61
pcu/PCU_Tests_RAW_SNS.ttcn
View File

@ -186,7 +186,7 @@ testcase TC_sns_so_config_success() runs on RAW_Test_CT {
setverdict(pass);
}
private function f_sns_bringup_1c1u() runs on RAW_Test_CT {
private function f_sns_bringup_1c1u(boolean sgsn_originated_reset := false) runs on RAW_Test_CT {
/* Activate two NS codec ports */
f_init_ns_codec();
f_init_ns_codec(1);
@ -208,9 +208,14 @@ private function f_sns_bringup_1c1u() runs on RAW_Test_CT {
f_outgoing_ns_alive(0);
f_outgoing_ns_alive(1);
/* 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);
if (sgsn_originated_reset) {
f_tx_bvc_reset_rx_ack(0);
f_tx_bvc_reset_rx_ack(mp_gb_cfg.bvci);
} else {
/* 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);
}
/* Expect UNBLOCK for ptp BVCI on signaling NS-VC (idx==0) */
as_rx_bvc_unblock_tx_ack(mp_gb_cfg.bvci, oneshot := true);
@ -226,7 +231,7 @@ testcase TC_sns_1c1u() runs on RAW_Test_CT {
setverdict(pass);
}
private function f_sns_bringup_1c1u_separate() runs on RAW_Test_CT {
private function f_sns_bringup_1c1u_separate(boolean sgsn_originated_reset := false) runs on RAW_Test_CT {
/* Activate two NS codec ports */
f_init_ns_codec();
f_init_ns_codec(1);
@ -253,9 +258,14 @@ private function f_sns_bringup_1c1u_separate() runs on RAW_Test_CT {
/* ensure there's no response to NS-ALIVE sent on idx==0 */
f_outgoing_ns_alive_no_ack(idx := 0);
/* Expect BVC-RESET for signaling BVCI=0 and ptp BVCI */
as_rx_bvc_reset_tx_ack(0, oneshot := true, idx := 1);
as_rx_bvc_reset_tx_ack(mp_gb_cfg.bvci, oneshot := true, idx := 1);
if (sgsn_originated_reset) {
f_tx_bvc_reset_rx_ack(0, idx := 1);
f_tx_bvc_reset_rx_ack(mp_gb_cfg.bvci, idx := 1);
} else {
/* Expect BVC-RESET for signaling BVCI=0 and ptp BVCI */
as_rx_bvc_reset_tx_ack(0, oneshot := true, idx := 1);
as_rx_bvc_reset_tx_ack(mp_gb_cfg.bvci, oneshot := true, idx := 1);
}
/* Expect UNBLOCK for ptp BVCI on signaling NS-VC (idx==1) */
as_rx_bvc_unblock_tx_ack(mp_gb_cfg.bvci, oneshot := true, idx := 1);
@ -272,6 +282,39 @@ testcase TC_sns_1c1u_separate() runs on RAW_Test_CT {
setverdict(pass);
}
/* Test full IP-SNS bring-up with two NS-VCs, one sig-only and one user-only and use
* SGSN-originated BVC-RESET rather than BSS-originated */
testcase TC_sns_1c1u_so_bvc_reset() runs on RAW_Test_CT {
f_sns_bringup_1c1u_separate(sgsn_originated_reset := true);
setverdict(pass);
}
/* Transmit BVC-RESET before NS-ALIVE of PCU was ACKed: expect no response */
testcase TC_sns_1c1u_so_bvc_reset_too_early() runs on RAW_Test_CT {
/* Activate two NS codec ports */
f_init_ns_codec();
f_init_ns_codec(1);
f_init_ns_codec(2);
f_init_pcuif();
/* Perform Size + BSS-originated config */
f_incoming_sns_size();
f_incoming_sns_config();
/* perform SGSN-originated config using idx==0 for signalling and idx==1 for user traffic */
f_outgoing_sns_config_1c1u_separate();
/* DON'T ACK ANY INBOUND NS-ALIVE HERE! */
/* perform outgoing ALIVE procedure for both NS-VCs */
f_outgoing_ns_alive(1);
f_outgoing_ns_alive(2);
/* ensure there's no response to NS-ALIVE sent on idx==0 */
f_outgoing_ns_alive_no_ack(idx := 0);
/* Transmit BVC-RESET and expect no ACK*/
f_tx_bvc_reset_rx_ack(0, idx := 1, exp_ack := false);
f_tx_bvc_reset_rx_ack(mp_gb_cfg.bvci, idx := 1, exp_ack := false);
}
/* Test adding new IP endpoints at runtime */
testcase TC_sns_add() runs on RAW_Test_CT {
f_sns_bringup_1c1u();
@ -343,6 +386,8 @@ control {
execute( TC_sns_so_config_success() );
execute( TC_sns_1c1u() );
execute( TC_sns_1c1u_separate() );
execute( TC_sns_1c1u_so_bvc_reset() );
execute( TC_sns_1c1u_so_bvc_reset_too_early() );
execute( TC_sns_add() );
execute( TC_sns_del() );
execute( TC_sns_chg_weight() );