Change in osmo-ttcn3-hacks[master]: fr-net: Echo back DL-UD in UL-UD when LLC SAPI '0010'B is used

[laforge]

laforge has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/22694 )

Change subject: fr-net: Echo back DL-UD in UL-UD when LLC SAPI '0010'B is used
......................................................................

fr-net: Echo back DL-UD in UL-UD when LLC SAPI '0010'B is used

This allows us to have bi-directional tests

Change-Id: I7637ee5f1a7cce0ed282c972b9cd0702ba86cbaa
---
M fr-net/FRNET_Tests.ttcn
1 file changed, 15 insertions(+), 1 deletion(-)

Approvals:
  Jenkins Builder: Verified
  laforge: Looks good to me, approved



diff --git a/fr-net/FRNET_Tests.ttcn b/fr-net/FRNET_Tests.ttcn
index bc6e513..c3ec468 100644
--- a/fr-net/FRNET_Tests.ttcn
+++ b/fr-net/FRNET_Tests.ttcn
@@ -6,6 +6,8 @@
 
 import from NS_Emulation all;
 import from BSSGP_Emulation all;
+import from LLC_Types all;
+import from LLC_Templates all;
 
 modulepar {
 	integer mp_num_bvc := 10;
@@ -69,7 +71,19 @@
 
 
 private function CreateCallback(BssgpBvci bvci, BssgpCellId cell_id, OCT4 tlli, BssgpDecoded dec) runs on BSSGP_BVC_CT {
-	/* simply ignore any inbound traffic for now */
+	if (ischosen(dec.bssgp.pDU_BSSGP_UL_UNITDATA)) {
+		var PDU_LLC llc_rx := dec_PDU_LLC(dec.bssgp.pDU_BSSGP_UL_UNITDATA.lLC_PDU.lLC_PDU)
+		select (llc_rx) {
+		case (tr_LLC_UI(sapi := '0010'B)) {
+			//log("BVCI=", bvci, ", CellId=", cell_id, ", TLLI=", tlli, ", BSSGP=", dec);
+			/* mirror back as DL-UNITDATA */
+			BVC.send(ts_ptp_BnsUdReq(ts_BSSGP_DL_UD(tlli, dec.bssgp.pDU_BSSGP_UL_UNITDATA.lLC_PDU.lLC_PDU), bvci, oct2int(tlli)));
+			}
+		case else {
+			/* simply ignore any inbound traffic for now */
+			}
+		}
+	}
 }
 
 private function f_init_gb(inout GbInstance gb, charstring id, integer offset) runs on test_CT {

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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I7637ee5f1a7cce0ed282c972b9cd0702ba86cbaa
Gerrit-Change-Number: 22694
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <laforge at osmocom.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-MessageType: merged
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