<p>laforge has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/21395">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">gbproxy: Introduce TC_overload<br><br>When the SGSN is sending an OVERLOAD message, we expect that to<br>propagate down to every BSS on the other side.<br><br>Change-Id: Ic61fabd9c633bcb3f256fe7aa5834e66cc66a4fb<br>---<br>M gbproxy/GBProxy_Tests.ttcn<br>M library/BSSGP_Emulation.ttcnpp<br>M library/Osmocom_Gb_Types.ttcn<br>3 files changed, 63 insertions(+), 1 deletion(-)<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/95/21395/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/gbproxy/GBProxy_Tests.ttcn b/gbproxy/GBProxy_Tests.ttcn</span><br><span>index 938dcc1..b708fa0 100644</span><br><span>--- a/gbproxy/GBProxy_Tests.ttcn</span><br><span>+++ b/gbproxy/GBProxy_Tests.ttcn</span><br><span>@@ -1905,6 +1905,35 @@</span><br><span> f_cleanup();</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+/* Send an OVERLOAD from SGSN side and expect it to show up on each PCU (SIG BVC) */</span><br><span style="color: hsl(120, 100%, 40%);">+testcase TC_overload() runs on GlobalTest_CT</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ f_init();</span><br><span style="color: hsl(120, 100%, 40%);">+ f_global_init();</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ var template (value) PDU_BSSGP pdu_tx := ts_OVERLOAD('1'B);</span><br><span style="color: hsl(120, 100%, 40%);">+ var template (present) PDU_BSSGP exp_rx := tr_OVERLOAD('1'B);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ var ro_default defaults := {};</span><br><span style="color: hsl(120, 100%, 40%);">+ for (var integer i := 0; i < lengthof(g_pcu); i := i+1) {</span><br><span style="color: hsl(120, 100%, 40%);">+ activate(as_bssgp_g_pcu_count(i, exp_rx, g_roi));</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ G_SGSN[0].send(pdu_tx);</span><br><span style="color: hsl(120, 100%, 40%);">+ f_sleep(2.0);</span><br><span style="color: hsl(120, 100%, 40%);">+ for (var integer i := 0; i < lengthof(defaults); i := i+1) {</span><br><span style="color: hsl(120, 100%, 40%);">+ deactivate(defaults[i]);</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%);">+ for (var integer i := 0; i < lengthof(g_pcu); i := i+1) {</span><br><span style="color: hsl(120, 100%, 40%);">+ if (not ro_integer_contains(g_roi, i)) {</span><br><span style="color: hsl(120, 100%, 40%);">+ setverdict(fail, "Failed to receive OVERLOAD on PCU index ", i);</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%);">+ setverdict(pass);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ f_cleanup();</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> private function f_block_ptp_bvc_from_pcu(integer pcu_idx, integer bvc_idx) runs on test_CT</span><br><span> {</span><br><span> var BSSGP_BVC_CT bvc_ct := g_pcu[pcu_idx].vc_BSSGP_BVC[bvc_idx];</span><br><span>@@ -2138,6 +2167,7 @@</span><br><span> execute( TC_resume() );</span><br><span> execute( TC_trace() );</span><br><span> execute( TC_llc_discarded() );</span><br><span style="color: hsl(120, 100%, 40%);">+ execute( TC_overload() );</span><br><span> execute( TC_bvc_block_ptp() );</span><br><span> execute( TC_bvc_unblock_ptp() );</span><br><span> execute( TC_bvc_reset_ptp_from_bss() );</span><br><span>diff --git a/library/BSSGP_Emulation.ttcnpp b/library/BSSGP_Emulation.ttcnpp</span><br><span>index d747ca2..e3ad9fe 100644</span><br><span>--- a/library/BSSGP_Emulation.ttcnpp</span><br><span>+++ b/library/BSSGP_Emulation.ttcnpp</span><br><span>@@ -302,7 +302,7 @@</span><br><span> private template PDU_BSSGP tr_GLOBAL := (</span><br><span> {pDU_BSSGP_SUSPEND:=?}, {pDU_BSSGP_SUSPEND_ACK:=?}, {pDU_BSSGP_SUSPEND_NACK:=?},</span><br><span> {pDU_BSSGP_RESUME:=?}, {pDU_BSSGP_RESUME_ACK:=?}, {pDU_BSSGP_RESUME_NACK:=?},</span><br><span style="color: hsl(0, 100%, 40%);">- {pDU_BSSGP_SGSN_INVOKE_TRACE:=?}</span><br><span style="color: hsl(120, 100%, 40%);">+ {pDU_BSSGP_SGSN_INVOKE_TRACE:=?}, {pDU_BSSGP_OVERLOAD:=?}</span><br><span> );</span><br><span> </span><br><span> /* We are in BVC_S_UNBLOCKED state */</span><br><span>diff --git a/library/Osmocom_Gb_Types.ttcn b/library/Osmocom_Gb_Types.ttcn</span><br><span>index a345d7f..2afedcc 100644</span><br><span>--- a/library/Osmocom_Gb_Types.ttcn</span><br><span>+++ b/library/Osmocom_Gb_Types.ttcn</span><br><span>@@ -2077,6 +2077,38 @@</span><br><span> }</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+ /* 10.4.36 */</span><br><span style="color: hsl(120, 100%, 40%);">+ template (value) PDU_BSSGP</span><br><span style="color: hsl(120, 100%, 40%);">+ ts_OVERLOAD(template (value) BIT1 priority_class) := {</span><br><span style="color: hsl(120, 100%, 40%);">+ pDU_BSSGP_OVERLOAD := {</span><br><span style="color: hsl(120, 100%, 40%);">+ bssgpPduType := '42'O,</span><br><span style="color: hsl(120, 100%, 40%);">+ priority_Class_Indicator := {</span><br><span style="color: hsl(120, 100%, 40%);">+ iEI := '8f'O,</span><br><span style="color: hsl(120, 100%, 40%);">+ ext := '1'B,</span><br><span style="color: hsl(120, 100%, 40%);">+ lengthIndicator := {</span><br><span style="color: hsl(120, 100%, 40%);">+ length1 := 1</span><br><span style="color: hsl(120, 100%, 40%);">+ },</span><br><span style="color: hsl(120, 100%, 40%);">+ priority_Class_Indicator_Value := priority_class,</span><br><span style="color: hsl(120, 100%, 40%);">+ spare := '0000000'B</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%);">+ template (present) PDU_BSSGP</span><br><span style="color: hsl(120, 100%, 40%);">+ tr_OVERLOAD(template (present) BIT1 priority_class) := {</span><br><span style="color: hsl(120, 100%, 40%);">+ pDU_BSSGP_OVERLOAD := {</span><br><span style="color: hsl(120, 100%, 40%);">+ bssgpPduType := '42'O,</span><br><span style="color: hsl(120, 100%, 40%);">+ priority_Class_Indicator := {</span><br><span style="color: hsl(120, 100%, 40%);">+ iEI := '8f'O,</span><br><span style="color: hsl(120, 100%, 40%);">+ ext := '1'B,</span><br><span style="color: hsl(120, 100%, 40%);">+ lengthIndicator := {</span><br><span style="color: hsl(120, 100%, 40%);">+ length1 := 1</span><br><span style="color: hsl(120, 100%, 40%);">+ },</span><br><span style="color: hsl(120, 100%, 40%);">+ priority_Class_Indicator_Value := priority_class,</span><br><span style="color: hsl(120, 100%, 40%);">+ spare := '0000000'B</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%);">+</span><br><span> /* PDU permitted on PTP BVC only (TS 48.018 Section 5.4.1) */</span><br><span> template (present) PDU_BSSGP tr_BSSGP_PERMITTED_PTP_ONLY := (</span><br><span> {pDU_BSSGP_DL_UNITDATA := ?},</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/21395">change 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<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: Ic61fabd9c633bcb3f256fe7aa5834e66cc66a4fb </div>
<div style="display:none"> Gerrit-Change-Number: 21395 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: laforge <laforge@osmocom.org> </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>