Add Seq number for all Node related messages.

herugen · Jul 29, 2020 · 021aa72 · 021aa72
2 parents 4b43695 + 43b7b96
commit 021aa72
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Showing 32 changed files with 64 additions and 59 deletions.
diff --git a/examples/heartbeat/hb-client/main.go b/examples/heartbeat/hb-client/main.go
@@ -34,7 +34,9 @@ func main() {
 		log.Fatal(err)
 	}
 
+	var seq uint32 = 1
 	hbreq, err := message.NewHeartbeatRequest(
+		seq,
 		ie.NewRecoveryTimeStamp(time.Now()),
 		ie.NewSourceIPAddress(net.ParseIP("127.0.0.1"), net.ParseIP("2001::1"), 0),
 	).Marshal()

diff --git a/examples/heartbeat/hb-server/main.go b/examples/heartbeat/hb-server/main.go
@@ -63,7 +63,8 @@ func main() {
 		}
 
 		// Timestamp shouldn't be the time message is sent in the real deployment but anyway :D
-		hbres, err := message.NewHeartbeatResponse(ie.NewRecoveryTimeStamp(time.Now())).Marshal()
+		var seq uint32 = 1
+		hbres, err := message.NewHeartbeatResponse(seq, ie.NewRecoveryTimeStamp(time.Now())).Marshal()
 		if err != nil {
 			log.Fatal(err)
 		}

diff --git a/message/association-release-request.go b/message/association-release-request.go
@@ -16,11 +16,11 @@ type AssociationReleaseRequest struct {
 }
 
 // NewAssociationReleaseRequest creates a new AssociationReleaseRequest.
-func NewAssociationReleaseRequest(id *ie.IE, ies ...*ie.IE) *AssociationReleaseRequest {
+func NewAssociationReleaseRequest(seq uint32, id *ie.IE, ies ...*ie.IE) *AssociationReleaseRequest {
 	m := &AssociationReleaseRequest{
 		Header: NewHeader(
 			1, 0, 0, 0,
-			MsgTypeAssociationReleaseRequest, 0, 0, 0,
+			MsgTypeAssociationReleaseRequest, 0, seq, 0,
 			nil,
 		),
 		NodeID: id,

diff --git a/message/association-release-request_test.go b/message/association-release-request_test.go
@@ -18,10 +18,10 @@ func TestAssociationReleaseRequest(t *testing.T) {
 		{
 			Description: "Normal",
 			Structured: message.NewAssociationReleaseRequest(
-				ie.NewNodeID("", "", "go-pfcp.epc.3gppnetwork.org"),
+				seq, ie.NewNodeID("", "", "go-pfcp.epc.3gppnetwork.org"),
 			),
 			Serialized: []byte{
-				0x20, 0x09, 0x00, 0x25, 0x00, 0x00, 0x00, 0x00,
+				0x20, 0x09, 0x00, 0x25, 0x11, 0x22, 0x33, 0x00,
 				0x00, 0x3c, 0x00, 0x1d, 0x02, 0x07, 0x67, 0x6f, 0x2d, 0x70, 0x66, 0x63, 0x70, 0x03, 0x65, 0x70, 0x63, 0x0b, 0x33, 0x67, 0x70, 0x70, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x03, 0x6f, 0x72, 0x67,
 			},
 		},

diff --git a/message/association-release-response.go b/message/association-release-response.go
@@ -17,11 +17,11 @@ type AssociationReleaseResponse struct {
 }
 
 // NewAssociationReleaseResponse creates a new AssociationReleaseResponse.
-func NewAssociationReleaseResponse(id, cause *ie.IE, ies ...*ie.IE) *AssociationReleaseResponse {
+func NewAssociationReleaseResponse(seq uint32, id, cause *ie.IE, ies ...*ie.IE) *AssociationReleaseResponse {
 	m := &AssociationReleaseResponse{
 		Header: NewHeader(
 			1, 0, 0, 0,
-			MsgTypeAssociationReleaseResponse, 0, 0, 0,
+			MsgTypeAssociationReleaseResponse, 0, seq, 0,
 			nil,
 		),
 		NodeID: id,

diff --git a/message/association-release-response_test.go b/message/association-release-response_test.go
@@ -17,12 +17,12 @@ func TestAssociationReleaseResponse(t *testing.T) {
 	cases := []testutil.TestCase{
 		{
 			Description: "Normal",
-			Structured: message.NewAssociationReleaseResponse(
+			Structured: message.NewAssociationReleaseResponse(seq,
 				ie.NewNodeID("", "", "go-pfcp.epc.3gppnetwork.org"),
 				ie.NewCause(ie.CauseRequestAccepted),
 			),
 			Serialized: []byte{
-				0x20, 0x0a, 0x00, 0x2a, 0x00, 0x00, 0x00, 0x00,
+				0x20, 0x0a, 0x00, 0x2a, 0x11, 0x22, 0x33, 0x00,
 				0x00, 0x3c, 0x00, 0x1d, 0x02, 0x07, 0x67, 0x6f, 0x2d, 0x70, 0x66, 0x63, 0x70, 0x03, 0x65, 0x70, 0x63, 0x0b, 0x33, 0x67, 0x70, 0x70, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x03, 0x6f, 0x72, 0x67,
 				0x00, 0x13, 0x00, 0x01, 0x01,
 			},

diff --git a/message/association-setup-request.go b/message/association-setup-request.go
@@ -26,11 +26,11 @@ type AssociationSetupRequest struct {
 }
 
 // NewAssociationSetupRequest creates a new AssociationSetupRequest.
-func NewAssociationSetupRequest(ies ...*ie.IE) *AssociationSetupRequest {
+func NewAssociationSetupRequest(seq uint32, ies ...*ie.IE) *AssociationSetupRequest {
 	m := &AssociationSetupRequest{
 		Header: NewHeader(
 			1, 0, 0, 0,
-			MsgTypeAssociationSetupRequest, 0, 0, 0,
+			MsgTypeAssociationSetupRequest, 0, seq, 0,
 			nil,
 		),
 	}

diff --git a/message/association-setup-request_test.go b/message/association-setup-request_test.go
@@ -19,7 +19,7 @@ func TestAssociationSetupRequest(t *testing.T) {
 	cases := []testutil.TestCase{
 		{
 			Description: "Normal",
-			Structured: message.NewAssociationSetupRequest(
+			Structured: message.NewAssociationSetupRequest(seq,
 				ie.NewNodeID("", "", "go-pfcp.epc.3gppnetwork.org"),
 				ie.NewRecoveryTimeStamp(time.Date(2019, time.January, 1, 0, 0, 0, 0, time.UTC)),
 				ie.NewUPFunctionFeatures(0x01, 0x02),
@@ -53,7 +53,7 @@ func TestAssociationSetupRequest(t *testing.T) {
 				ie.NewNFInstanceID([]byte{0x11, 0x11, 0x11, 0x11, 0x22, 0x22, 0x22, 0x22, 0x33, 0x33, 0x33, 0x33, 0x44, 0x44, 0x44, 0x44}),
 			),
 			Serialized: []byte{
-				0x20, 0x05, 0x01, 0x36, 0x00, 0x00, 0x00, 0x00,
+				0x20, 0x05, 0x01, 0x36, 0x11, 0x22, 0x33, 0x00,
 				0x00, 0x3c, 0x00, 0x1d, 0x02, 0x07, 0x67, 0x6f, 0x2d, 0x70, 0x66, 0x63, 0x70, 0x03, 0x65, 0x70, 0x63, 0x0b, 0x33, 0x67, 0x70, 0x70, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x03, 0x6f, 0x72, 0x67,
 				0x00, 0x60, 0x00, 0x04, 0xdf, 0xd5, 0x2c, 0x00,
 				0x00, 0x2b, 0x00, 0x02, 0x01, 0x02,

diff --git a/message/association-setup-response.go b/message/association-setup-response.go
@@ -26,11 +26,11 @@ type AssociationSetupResponse struct {
 }
 
 // NewAssociationSetupResponse creates a new AssociationSetupResponse.
-func NewAssociationSetupResponse(ies ...*ie.IE) *AssociationSetupResponse {
+func NewAssociationSetupResponse(seq uint32, ies ...*ie.IE) *AssociationSetupResponse {
 	m := &AssociationSetupResponse{
 		Header: NewHeader(
 			1, 0, 0, 0,
-			MsgTypeAssociationSetupResponse, 0, 0, 0,
+			MsgTypeAssociationSetupResponse, 0, seq, 0,
 			nil,
 		),
 	}
@@ -59,8 +59,6 @@ func NewAssociationSetupResponse(ies ...*ie.IE) *AssociationSetupResponse {
 			m.ClockDriftControlInformation = i
 		case ie.NFInstanceID:
 			m.UPFInstanceID = i
-		case ie.SequenceNumber:
-			m.Header.SequenceNumber,_ = i.SequenceNumber()
 		default:
 			m.IEs = append(m.IEs, i)
 		}

diff --git a/message/association-setup-response_test.go b/message/association-setup-response_test.go
@@ -20,6 +20,7 @@ func TestAssociationSetupResponse(t *testing.T) {
 		{
 			Description: "Normal",
 			Structured: message.NewAssociationSetupResponse(
+				seq,
 				ie.NewNodeID("", "", "go-pfcp.epc.3gppnetwork.org"),
 				ie.NewCause(ie.CauseRequestAccepted),
 				ie.NewRecoveryTimeStamp(time.Date(2019, time.January, 1, 0, 0, 0, 0, time.UTC)),
@@ -51,7 +52,7 @@ func TestAssociationSetupResponse(t *testing.T) {
 				ie.NewNFInstanceID([]byte{0x11, 0x11, 0x11, 0x11, 0x22, 0x22, 0x22, 0x22, 0x33, 0x33, 0x33, 0x33, 0x44, 0x44, 0x44, 0x44}),
 			),
 			Serialized: []byte{
-				0x20, 0x06, 0x01, 0x13, 0x00, 0x00, 0x00, 0x00,
+				0x20, 0x06, 0x01, 0x13, 0x11, 0x22, 0x33, 0x00,
 				0x00, 0x3c, 0x00, 0x1d, 0x02, 0x07, 0x67, 0x6f, 0x2d, 0x70, 0x66, 0x63, 0x70, 0x03, 0x65, 0x70, 0x63, 0x0b, 0x33, 0x67, 0x70, 0x70, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x03, 0x6f, 0x72, 0x67,
 				0x00, 0x13, 0x00, 0x01, 0x01,
 				0x00, 0x60, 0x00, 0x04, 0xdf, 0xd5, 0x2c, 0x00,

diff --git a/message/association-update-request.go b/message/association-update-request.go
@@ -25,11 +25,11 @@ type AssociationUpdateRequest struct {
 }
 
 // NewAssociationUpdateRequest creates a new AssociationUpdateRequest.
-func NewAssociationUpdateRequest(ies ...*ie.IE) *AssociationUpdateRequest {
+func NewAssociationUpdateRequest(seq uint32, ies ...*ie.IE) *AssociationUpdateRequest {
 	m := &AssociationUpdateRequest{
 		Header: NewHeader(
 			1, 0, 0, 0,
-			MsgTypeAssociationUpdateRequest, 0, 0, 0,
+			MsgTypeAssociationUpdateRequest, 0, seq, 0,
 			nil,
 		),
 	}

diff --git a/message/association-update-request_test.go b/message/association-update-request_test.go
@@ -19,7 +19,7 @@ func TestAssociationUpdateRequest(t *testing.T) {
 	cases := []testutil.TestCase{
 		{
 			Description: "Normal",
-			Structured: message.NewAssociationUpdateRequest(
+			Structured: message.NewAssociationUpdateRequest(seq,
 				ie.NewNodeID("", "", "go-pfcp.epc.3gppnetwork.org"),
 				ie.NewUPFunctionFeatures(0x01, 0x02),
 				ie.NewCPFunctionFeatures(0x3f),
@@ -50,7 +50,7 @@ func TestAssociationUpdateRequest(t *testing.T) {
 				),
 			),
 			Serialized: []byte{
-				0x20, 0x07, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00,
+				0x20, 0x07, 0x00, 0xfc, 0x11, 0x22, 0x33, 0x00,
 				0x00, 0x3c, 0x00, 0x1d, 0x02, 0x07, 0x67, 0x6f, 0x2d, 0x70, 0x66, 0x63, 0x70, 0x03, 0x65, 0x70, 0x63, 0x0b, 0x33, 0x67, 0x70, 0x70, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x03, 0x6f, 0x72, 0x67,
 				0x00, 0x2b, 0x00, 0x02, 0x01, 0x02,
 				0x00, 0x59, 0x00, 0x01, 0x3f,

diff --git a/message/association-update-response.go b/message/association-update-response.go
@@ -19,11 +19,11 @@ type AssociationUpdateResponse struct {
 }
 
 // NewAssociationUpdateResponse creates a new AssociationUpdateResponse.
-func NewAssociationUpdateResponse(ies ...*ie.IE) *AssociationUpdateResponse {
+func NewAssociationUpdateResponse(seq uint32, ies ...*ie.IE) *AssociationUpdateResponse {
 	m := &AssociationUpdateResponse{
 		Header: NewHeader(
 			1, 0, 0, 0,
-			MsgTypeAssociationUpdateResponse, 0, 0, 0,
+			MsgTypeAssociationUpdateResponse, 0, seq, 0,
 			nil,
 		),
 	}

diff --git a/message/association-update-response_test.go b/message/association-update-response_test.go
@@ -17,14 +17,14 @@ func TestAssociationUpdateResponse(t *testing.T) {
 	cases := []testutil.TestCase{
 		{
 			Description: "Normal",
-			Structured: message.NewAssociationUpdateResponse(
+			Structured: message.NewAssociationUpdateResponse(seq,
 				ie.NewNodeID("", "", "go-pfcp.epc.3gppnetwork.org"),
 				ie.NewCause(ie.CauseRequestAccepted),
 				ie.NewUPFunctionFeatures(0x01, 0x02),
 				ie.NewCPFunctionFeatures(0x3f),
 			),
 			Serialized: []byte{
-				0x20, 0x08, 0x00, 0x35, 0x00, 0x00, 0x00, 0x00,
+				0x20, 0x08, 0x00, 0x35, 0x11, 0x22, 0x33, 0x00,
 				0x00, 0x3c, 0x00, 0x1d, 0x02, 0x07, 0x67, 0x6f, 0x2d, 0x70, 0x66, 0x63, 0x70, 0x03, 0x65, 0x70, 0x63, 0x0b, 0x33, 0x67, 0x70, 0x70, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x03, 0x6f, 0x72, 0x67,
 				0x00, 0x13, 0x00, 0x01, 0x01,
 				0x00, 0x2b, 0x00, 0x02, 0x01, 0x02,

diff --git a/message/heartbeat-request.go b/message/heartbeat-request.go
@@ -17,11 +17,11 @@ type HeartbeatRequest struct {
 }
 
 // NewHeartbeatRequest creates a new HeartbeatRequest.
-func NewHeartbeatRequest(ts, ip *ie.IE, ies ...*ie.IE) *HeartbeatRequest {
+func NewHeartbeatRequest(seq uint32, ts, ip *ie.IE, ies ...*ie.IE) *HeartbeatRequest {
 	m := &HeartbeatRequest{
 		Header: NewHeader(
 			1, 0, 0, 0,
-			MsgTypeHeartbeatRequest, 0, 0, 0,
+			MsgTypeHeartbeatRequest, 0, seq, 0,
 			nil,
 		),
 		RecoveryTimeStamp: ts,

diff --git a/message/heartbeat-request_test.go b/message/heartbeat-request_test.go
@@ -19,12 +19,12 @@ func TestHeartbeatRequest(t *testing.T) {
 	cases := []testutil.TestCase{
 		{
 			Description: "Normal",
-			Structured: message.NewHeartbeatRequest(
+			Structured: message.NewHeartbeatRequest(seq,
 				ie.NewRecoveryTimeStamp(time.Date(2019, time.January, 1, 0, 0, 0, 0, time.UTC)),
 				ie.NewSourceIPAddress(net.ParseIP("127.0.0.1"), net.ParseIP("2001::1"), 0),
 			),
 			Serialized: []byte{
-				0x20, 0x01, 0x00, 0x25, 0x00, 0x00, 0x00, 0x00,
+				0x20, 0x01, 0x00, 0x25, 0x11, 0x22, 0x33, 0x00,
 				0x00, 0x60, 0x00, 0x04, 0xdf, 0xd5, 0x2c, 0x00,
 				0x00, 0xc0, 0x00, 0x15,
 				0x03,

diff --git a/message/heartbeat-response.go b/message/heartbeat-response.go
@@ -16,11 +16,11 @@ type HeartbeatResponse struct {
 }
 
 // NewHeartbeatResponse creates a new HeartbeatResponse.
-func NewHeartbeatResponse(ts *ie.IE, ies ...*ie.IE) *HeartbeatResponse {
+func NewHeartbeatResponse(seq uint32, ts *ie.IE, ies ...*ie.IE) *HeartbeatResponse {
 	m := &HeartbeatResponse{
 		Header: NewHeader(
 			1, 0, 0, 0,
-			MsgTypeHeartbeatResponse, 0, 0, 0,
+			MsgTypeHeartbeatResponse, 0, seq, 0,
 			nil,
 		),
 		RecoveryTimeStamp: ts,

diff --git a/message/heartbeat-response_test.go b/message/heartbeat-response_test.go
@@ -18,11 +18,11 @@ func TestHeartbeatResponse(t *testing.T) {
 	cases := []testutil.TestCase{
 		{
 			Description: "Normal",
-			Structured: message.NewHeartbeatResponse(
+			Structured: message.NewHeartbeatResponse(seq,
 				ie.NewRecoveryTimeStamp(time.Date(2019, time.January, 1, 0, 0, 0, 0, time.UTC)),
 			),
 			Serialized: []byte{
-				0x20, 0x02, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00,
+				0x20, 0x02, 0x00, 0x0c, 0x11, 0x22, 0x33, 0x00,
 				0x00, 0x60, 0x00, 0x04, 0xdf, 0xd5, 0x2c, 0x00,
 			},
 		},

diff --git a/message/node-report-request.go b/message/node-report-request.go
@@ -21,11 +21,11 @@ type NodeReportRequest struct {
 }
 
 // NewNodeReportRequest creates a new NodeReportRequest.
-func NewNodeReportRequest(ies ...*ie.IE) *NodeReportRequest {
+func NewNodeReportRequest(seq uint32, ies ...*ie.IE) *NodeReportRequest {
 	m := &NodeReportRequest{
 		Header: NewHeader(
 			1, 0, 0, 0,
-			MsgTypeNodeReportRequest, 0, 0, 0,
+			MsgTypeNodeReportRequest, 0, seq, 0,
 			nil,
 		),
 	}

diff --git a/message/node-report-request_test.go b/message/node-report-request_test.go
@@ -18,7 +18,7 @@ func TestNodeReportRequest(t *testing.T) {
 	cases := []testutil.TestCase{
 		{
 			Description: "Normal",
-			Structured: message.NewNodeReportRequest(
+			Structured: message.NewNodeReportRequest(seq,
 				ie.NewNodeID("", "", "go-pfcp.epc.3gppnetwork.org"),
 				ie.NewNodeReportType(0x01),
 				ie.NewUserPlanePathFailureReport(
@@ -48,7 +48,7 @@ func TestNodeReportRequest(t *testing.T) {
 				),
 			),
 			Serialized: []byte{
-				0x20, 0x0c, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+				0x20, 0x0c, 0x01, 0x00, 0x11, 0x22, 0x33, 0x00,
 				0x00, 0x3c, 0x00, 0x1d, 0x02, 0x07, 0x67, 0x6f, 0x2d, 0x70, 0x66, 0x63, 0x70, 0x03, 0x65, 0x70, 0x63, 0x0b, 0x33, 0x67, 0x70, 0x70, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x03, 0x6f, 0x72, 0x67,
 				0x00, 0x65, 0x00, 0x01, 0x01,
 				0x00, 0x66, 0x00, 0x23,

diff --git a/message/node-report-response.go b/message/node-report-response.go
@@ -18,11 +18,11 @@ type NodeReportResponse struct {
 }
 
 // NewNodeReportResponse creates a new NodeReportResponse.
-func NewNodeReportResponse(id, cause, offending *ie.IE, ies ...*ie.IE) *NodeReportResponse {
+func NewNodeReportResponse(seq uint32, id, cause, offending *ie.IE, ies ...*ie.IE) *NodeReportResponse {
 	m := &NodeReportResponse{
 		Header: NewHeader(
 			1, 0, 0, 0,
-			MsgTypeNodeReportResponse, 0, 0, 0,
+			MsgTypeNodeReportResponse, 0, seq, 0,
 			nil,
 		),
 		NodeID:      id,

diff --git a/message/node-report-response_test.go b/message/node-report-response_test.go
@@ -17,13 +17,13 @@ func TestNodeReportResponse(t *testing.T) {
 	cases := []testutil.TestCase{
 		{
 			Description: "Normal",
-			Structured: message.NewNodeReportResponse(
+			Structured: message.NewNodeReportResponse(seq,
 				ie.NewNodeID("", "", "go-pfcp.epc.3gppnetwork.org"),
 				ie.NewCause(ie.CauseRequestAccepted),
 				ie.NewOffendingIE(ie.Cause),
 			),
 			Serialized: []byte{
-				0x20, 0x0d, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00,
+				0x20, 0x0d, 0x00, 0x30, 0x11, 0x22, 0x33, 0x00,
 				0x00, 0x3c, 0x00, 0x1d, 0x02, 0x07, 0x67, 0x6f, 0x2d, 0x70, 0x66, 0x63, 0x70, 0x03, 0x65, 0x70, 0x63, 0x0b, 0x33, 0x67, 0x70, 0x70, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x03, 0x6f, 0x72, 0x67,
 				0x00, 0x13, 0x00, 0x01, 0x01,
 				0x00, 0x28, 0x00, 0x02, 0x00, 0x13,

diff --git a/message/pfd-management-request.go b/message/pfd-management-request.go
@@ -16,11 +16,11 @@ type PFDManagementRequest struct {
 }
 
 // NewPFDManagementRequest creates a new PFDManagementRequest.
-func NewPFDManagementRequest(app *ie.IE, ies ...*ie.IE) *PFDManagementRequest {
+func NewPFDManagementRequest(seq uint32, app *ie.IE, ies ...*ie.IE) *PFDManagementRequest {
 	m := &PFDManagementRequest{
 		Header: NewHeader(
 			1, 0, 0, 0,
-			MsgTypePFDManagementRequest, 0, 0, 0,
+			MsgTypePFDManagementRequest, 0, seq, 0,
 			nil,
 		),
 		ApplicationIDsPFDs: app,

diff --git a/message/pfd-management-request_test.go b/message/pfd-management-request_test.go
@@ -17,7 +17,7 @@ func TestPFDManagementRequest(t *testing.T) {
 	cases := []testutil.TestCase{
 		{
 			Description: "Normal",
-			Structured: message.NewPFDManagementRequest(
+			Structured: message.NewPFDManagementRequest(seq,
 				ie.NewApplicationIDsPFDs(
 					ie.NewApplicationID("https://github.com/wmnsk/go-pfcp/"),
 					ie.NewPFDContext(
@@ -26,7 +26,7 @@ func TestPFDManagementRequest(t *testing.T) {
 				),
 			),
 			Serialized: []byte{
-				0x20, 0x03, 0x00, 0x69, 0x00, 0x00, 0x00, 0x00,
+				0x20, 0x03, 0x00, 0x69, 0x11, 0x22, 0x33, 0x00,
 				0x00, 0x3a, 0x00, 0x61,
 				// ApplicationID
 				0x00, 0x18, 0x00, 0x21, 0x68, 0x74, 0x74, 0x70, 0x73, 0x3a, 0x2f, 0x2f, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x77, 0x6d, 0x6e, 0x73, 0x6b, 0x2f, 0x67, 0x6f, 0x2d, 0x70, 0x66, 0x63, 0x70, 0x2f,

diff --git a/message/pfd-management-response.go b/message/pfd-management-response.go
@@ -17,11 +17,11 @@ type PFDManagementResponse struct {
 }
 
 // NewPFDManagementResponse creates a new PFDManagementResponse.
-func NewPFDManagementResponse(cause, offending *ie.IE, ies ...*ie.IE) *PFDManagementResponse {
+func NewPFDManagementResponse(seq uint32, cause, offending *ie.IE, ies ...*ie.IE) *PFDManagementResponse {
 	m := &PFDManagementResponse{
 		Header: NewHeader(
 			1, 0, 0, 0,
-			MsgTypePFDManagementResponse, 0, 0, 0,
+			MsgTypePFDManagementResponse, 0, seq, 0,
 			nil,
 		),
 		Cause:       cause,

diff --git a/message/pfd-management-response_test.go b/message/pfd-management-response_test.go
@@ -18,11 +18,12 @@ func TestPFDManagementResponse(t *testing.T) {
 		{
 			Description: "Normal",
 			Structured: message.NewPFDManagementResponse(
+				seq,
 				ie.NewCause(ie.CauseRequestAccepted),
 				ie.NewOffendingIE(ie.Cause),
 			),
 			Serialized: []byte{
-				0x20, 0x04, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00,
+				0x20, 0x04, 0x00, 0x0f, 0x11, 0x22, 0x33, 0x00,
 				0x00, 0x13, 0x00, 0x01, 0x01,
 				0x00, 0x28, 0x00, 0x02, 0x00, 0x13,
 			},