gbproxy: Add test for FLOW-CONTROL-MS procedure (TC_fc_ms)

Change-Id: Ie087ee8e8adfb963d21f35c60628214d4297250d
Closes: SYS#5210
changes/35/21635/2
Harald Welte 2 years ago
parent 483d314831
commit cc3894b612
  1. 32
      gbproxy/GBProxy_Tests.ttcn
  2. 102
      library/Osmocom_Gb_Types.ttcn

@ -2393,6 +2393,37 @@ testcase TC_fc_bvc() runs on GlobalTest_CT
f_cleanup();
}
/***********************************************************************
* FLOW-CONTROL-MS procedure
***********************************************************************/
private function f_TC_fc_ms(charstring id) runs on BSSGP_ConnHdlr {
var BssgpBvci bvci := g_pars.pcu[0].cfg.bvc[0].bvci;
var template (value) PDU_BSSGP fc_tx := ts_BVC_FC_MS(g_pars.tlli, 100, 200, '12'O);
/* we cannot use pdu_tx as there are some subtle differences in the length field :/ */
var template (present) PDU_BSSGP fc_rx := tr_BVC_FC_MS(g_pars.tlli, 100, 200, '12'O);
var template (value) PDU_BSSGP ack_tx := ts_BVC_FC_MS_ACK(g_pars.tlli, '12'O);
f_pcu2sgsn(fc_tx, fc_rx, use_sig := false);
f_sgsn2pcu(ack_tx, ack_tx, use_sig := false);
setverdict(pass);
}
/* Send a FLOW-CONTROL-MS from BSS side and expect it to show up on SGSN (PTP BVC) */
testcase TC_fc_ms() runs on test_CT
{
var BSSGP_ConnHdlr vc_conn;
f_init();
vc_conn := f_start_handler(refers(f_TC_fc_ms), testcasename(), g_pcu, g_sgsn, 21);
vc_conn.done;
/* TODO: start multiple handlers (UEs) on various cells on same and other NSEs */
f_cleanup();
}
control {
execute( TC_BVC_bringup() );
@ -2456,6 +2487,7 @@ control {
execute( TC_flush_ll() );
execute( TC_fc_bvc() );
execute( TC_fc_ms() );
}

@ -1262,6 +1262,108 @@ octetstring sdu) := {
}
}
template (value) PDU_BSSGP ts_BVC_FC_MS(GprsTlli tlli, uint16_t bmax, uint16_t bucket_leak_rate,
OCT1 tag) := {
pDU_BSSGP_FLOW_CONTROL_MS := {
bssgpPduType := '28'O,
tLLI := ts_BSSGP_TLLI(tlli),
tag := {
iEI := '1E'O,
ext := '1'B,
lengthIndicator := {
length1 := 1
},
unstructured_Value := tag
},
mS_Bucket_Size := {
iEI := '12'O,
ext := '1'B,
lengthIndicator := {
length1 := 2
},
bmax := f_oct_or_wc(bmax, 2)
},
bucket_Leak_Rate := {
iEI := '03'O,
ext := '1'B,
lengthIndicator := {
length1 := 2
},
r_Value := f_oct_or_wc(bucket_leak_rate, 2)
},
bucket_Full_Ratio := omit,
flow_Control_Granularity := omit
}
}
template (present) PDU_BSSGP tr_BVC_FC_MS(template (present) GprsTlli tlli := ?,
template (present) uint16_t bmax := ?,
template (present) uint16_t bucket_leak_rate := ?,
template (present) OCT1 tag := ?) := {
pDU_BSSGP_FLOW_CONTROL_MS := {
bssgpPduType := '28'O,
tLLI := ts_BSSGP_TLLI(tlli),
tag := {
iEI := '1E'O,
ext := '1'B,
lengthIndicator := {
length1 := 1
},
unstructured_Value := tag
},
mS_Bucket_Size := {
iEI := '12'O,
ext := '1'B,
lengthIndicator := {
length1 := 2
},
bmax := f_oct_or_wc(bmax, 2)
},
bucket_Leak_Rate := {
iEI := '03'O,
ext := '1'B,
lengthIndicator := {
length1 := 2
},
r_Value := f_oct_or_wc(bucket_leak_rate, 2)
},
bucket_Full_Ratio := *,
flow_Control_Granularity := *
}
}
template (value) PDU_BSSGP ts_BVC_FC_MS_ACK(template (value) GprsTlli tlli,
template (value) OCT1 tag) := {
pDU_BSSGP_FLOW_CONTROL_MS_ACK := {
bssgpPduType := '29'O,
tLLI := ts_BSSGP_TLLI(tlli),
tag := {
iEI := '1E'O,
ext := '1'B,
lengthIndicator := {
length1 := 1
},
unstructured_Value := tag
}
}
}
template (present) PDU_BSSGP tr_BVC_FC_MS_ACK(template (present) GprsTlli tlli,
template (present) OCT1 tag := ?) := {
pDU_BSSGP_FLOW_CONTROL_MS_ACK := {
bssgpPduType := '29'O,
tLLI := tr_BSSGP_TLLI(tlli),
tag := {
iEI := '1E'O,
ext := '1'B,
lengthIndicator := {
length1 := 1
},
unstructured_Value := tag
}
}
}
template PDU_BSSGP ts_BSSGP_STATUS(template BssgpBvci bvci, template BssgpCause cause,
PDU_BSSGP pdu) := {
pDU_BSSGP_STATUS := {

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