Stefan Sperling has uploaded this change for review. ( 
https://gerrit.osmocom.org/9374


Change subject: start implementing the TC_paging() PCU test
......................................................................

start implementing the TC_paging() PCU test

Implement a basic paging test for the PCU. This test currently
does not verify the payload of the paging sent by osmo-pcu.
However, it does verify that the frame type is "PAGING REQUEST 1".

Previously, the test contained a debugging loop which never terminated.

Change-Id: Id0384e0742ab91983615e4f1c883bb044c1c8b18
Related: OS#2404
---
M pcu/PCU_Tests.ttcn
1 file changed, 32 insertions(+), 13 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks 
refs/changes/74/9374/1

diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn
index 6e36f68..8aafedf 100644
--- a/pcu/PCU_Tests.ttcn
+++ b/pcu/PCU_Tests.ttcn
@@ -194,6 +194,26 @@
                log("BSSGP successfully initialized");
        }

+       function f_wait_paging_req_type1() runs on dummy_CT {
+               var LAPDm_ph_data ph_data;
+               var GsmRrMessage rr;
+               timer T := 5.0;
+
+               T.start;
+               alt {
+                       [] 
L1.receive(LAPDm_ph_data:{sacch:=?,sapi:=0,lapdm:={bbis:=?}}) -> value ph_data {
+                               rr := 
dec_GsmRrMessage(ph_data.lapdm.bbis.payload);
+                               if (match(rr.header, 
t_RrHeader(PAGING_REQUEST_TYPE_1, ?))) {
+                                       /* TODO: verify PTIMSI in payload */
+                                       return;
+                               }
+                               repeat;
+                       }
+                       [] L1.receive { repeat; }
+                       [] T.timeout { setverdict(fail); }
+               }
+       }
+
        /* Send PS-PAGING via BSSGP to PCU, expect it to show up on L1/Um */
        testcase TC_paging() runs on dummy_CT {
                var GsmTmsi tmsi := hex2int('01234567'H);
@@ -201,20 +221,19 @@
                g_mmctx.tlli := f_random_tlli();
                f_init();

-               /* Send paging on signalling BVCI 0 since osmo-pcu does not 
support paging on PTP yet. */
-               BSSGP_SIG.send(ts_BSSGP_PS_PAGING_IMSI(0, g_mmctx.imsi));
-               BSSGP_SIG.send(ts_BSSGP_PS_PAGING_PTMSI(0, g_mmctx.imsi, tmsi));
+               var BCCH_tune_req tune_req := { { false, 871 }, true };
+               L1.send(tune_req);
+               /* FIXME: wait for confirm */

-               while (true) {
-                       var BssgpDecoded bd;
-                       alt {
-                               [] BSSGP.receive(tr_BD_L3_MT(?)) -> value bd {
-                                       log("BSSGP Rx: ", bd);
-                               }
-                               [] BSSGP.receive(t_BssgpStsInd(?, ?, 
BVC_S_UNBLOCKED)) { repeat; }
-                               [] BSSGP.receive { repeat; }
-                       }
-               }
+               /* Send paging on signalling BVCI 0 since osmo-pcu does not 
support paging on PTP yet. */
+
+               BSSGP_SIG.send(ts_BSSGP_PS_PAGING_IMSI(0, g_mmctx.imsi));
+               f_wait_paging_req_type1();
+
+               BSSGP_SIG.send(ts_BSSGP_PS_PAGING_PTMSI(0, g_mmctx.imsi, tmsi));
+               f_wait_paging_req_type1();
+
+               setverdict(pass);
        }

        /* Establish an UL TBF: Tune to ARFCN, send RACH, receive AGCH, enable 
TBF Rx */

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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Id0384e0742ab91983615e4f1c883bb044c1c8b18
Gerrit-Change-Number: 9374
Gerrit-PatchSet: 1
Gerrit-Owner: Stefan Sperling <[email protected]>

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