[PATCH] osmo-ttcn3-hacks[master]: BSSGP_Emulation: Fix automatic BVC flow control ACK in SGSN ...

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Harald Welte gerrit-no-reply at lists.osmocom.org
Sat Mar 3 21:40:30 UTC 2018


Review at  https://gerrit.osmocom.org/7073

BSSGP_Emulation: Fix automatic BVC flow control ACK in SGSN role

This code had been intended to be used, but commented out, and
never really been completed or tested.

Change-Id: Iaa573219548f2a6a2eb13408fec65c55f9e88ddb
---
M library/BSSGP_Emulation.ttcn
M library/Osmocom_Gb_Types.ttcn
2 files changed, 61 insertions(+), 7 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/73/7073/1

diff --git a/library/BSSGP_Emulation.ttcn b/library/BSSGP_Emulation.ttcn
index 06e4733..c7766dc 100644
--- a/library/BSSGP_Emulation.ttcn
+++ b/library/BSSGP_Emulation.ttcn
@@ -496,12 +496,13 @@
 	}
 
 	/* simply acknowledge all Flow Control Messages */
-/*
-	[g_cfg.sgsn_role] BSCP.receive(f_BnsUdInd(t_BVC_FC_BVC), g_cfg.bvci) {
-		BSCP.send(f_BnsUdReq(t_BVC_FC_BVC_ACK), g_cfg.bvci);
+	[g_cfg.sgsn_role] BSCP.receive(f_BnsUdInd(tr_BVC_FC_BVC, g_cfg.bvci)) -> value udi {
+		var OCT1 tag := udi.bssgp.pDU_BSSGP_FLOW_CONTROL_BVC.tag.unstructured_Value;
+		BSCP.send(f_BnsUdReq(t_BVC_FC_BVC_ACK(tag), g_cfg.bvci));
 	}
-	[g_cfg.sgsn_role] BSCP.receive(f_BnsUdInd(t_BVC_FC_MS), g_cfg.bvci) {
-		BSCP.send(f_BnsUdReq(t_BVC_FC_MS_ACK), g_cfg.bvci);
+/*
+	[g_cfg.sgsn_role] BSCP.receive(f_BnsUdInd(t_BVC_FC_MS, g_cfg.bvci)) {
+		BSCP.send(f_BnsUdReq(t_BVC_FC_MS_ACK, g_cfg.bvci));
 	}
 */
 
diff --git a/library/Osmocom_Gb_Types.ttcn b/library/Osmocom_Gb_Types.ttcn
index a3121b5..f943c9c 100644
--- a/library/Osmocom_Gb_Types.ttcn
+++ b/library/Osmocom_Gb_Types.ttcn
@@ -446,7 +446,7 @@
 				iEI := '1E'O,
 				ext := '1'B,
 				lengthIndicator := {
-					length1 := 2
+					length1 := 1
 				},
 				unstructured_Value := tag
 			},
@@ -462,7 +462,7 @@
 				iEI := '03'O,
 				ext := '1'B,
 				lengthIndicator := {
-					length1 := 1
+					length1 := 2
 				},
 				r_Value := f_oct_or_wc(bucket_leak_rate, 2)
 			},
@@ -487,6 +487,59 @@
 			flow_Control_Granularity := omit
 		}
 	}
+	template PDU_BSSGP tr_BVC_FC_BVC(template uint16_t bmax := ?,
+					 template uint16_t bucket_leak_rate := ?,
+					 template uint16_t bmax_default_ms := ?,
+					 template uint16_t r_default_ms := ?,
+					 template OCT1 tag := ?) := {
+		pDU_BSSGP_FLOW_CONTROL_BVC := {
+			bssgpPduType := '26'O,
+			tag := {
+				iEI := '1E'O,
+				ext := '1'B,
+				lengthIndicator := {
+					length1 := 1
+				},
+				unstructured_Value := tag
+			},
+			bVC_Bucket_Size := {
+				iEI := '05'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)
+			},
+			bmax_default_MS := {
+				iEI := '01'O,
+				ext := '1'B,
+				lengthIndicator := {
+					length1 := 2
+				},
+				bmax := f_oct_or_wc(bmax_default_ms, 2)
+			},
+			r_default_MS := {
+				iEI := '1C'O,
+				ext := '1'B,
+				lengthIndicator := {
+					length1 := 2
+				},
+				r_default_MS_value := f_oct_or_wc(r_default_ms, 2)
+			},
+			bucket_Full_Ratio := *,
+			bVC_Measurement := *,
+			flow_Control_Granularity := *
+		}
+	}
+
 	template PDU_BSSGP t_BVC_FC_BVC_ACK(template OCT1 tag) := {
 		pDU_BSSGP_FLOW_CONTROL_BVC_ACK := {
 			bssgpPduType := '27'O,

-- 
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Iaa573219548f2a6a2eb13408fec65c55f9e88ddb
Gerrit-PatchSet: 1
Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Owner: Harald Welte <laforge at gnumonks.org>



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