[VOL-1349] EPON OLT adapter (package B)
Change-Id: I634ef62c53813dcf4456f54948f13e06358e263c
diff --git a/internal/pkg/core/l2oam/msg_traffic_control_traffic_profile.go b/internal/pkg/core/l2oam/msg_traffic_control_traffic_profile.go
new file mode 100644
index 0000000..84a325a
--- /dev/null
+++ b/internal/pkg/core/l2oam/msg_traffic_control_traffic_profile.go
@@ -0,0 +1,188 @@
+/*
+ * Copyright 2020-present Open Networking Foundation
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ * http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package l2oam
+
+import (
+ "encoding/binary"
+ "encoding/hex"
+ "fmt"
+
+ "github.com/google/gopacket"
+ "github.com/google/gopacket/layers"
+)
+
+// GenerateTrafficControlTrafficProfile generates "Traffic Control/Traffic Profile" message
+func GenerateTrafficControlTrafficProfile(trafficControl []byte, trafficProfile []byte) gopacket.SerializableLayer {
+
+ tibitData := &setTrafficControlTrafficProfileReq{
+ // IEEE 1904.2
+ Opcode: 0x03,
+ // OMI Protocol
+ Flags: 0x0050,
+ OAMPDUCode: 0xfe,
+ OUId: []byte{0x2a, 0xea, 0x15}, // Organizationally Unique Identifier: 2a:ea:15 (Tibit Communications)
+ // TiBiT OLT Management Interface
+ TOMIOpcode: 0x03,
+ // Correlation Tag
+ CTBranch: 0x0c,
+ CTType: 0x0c7a,
+ CTLength: 4,
+ CTInstance: getOltInstance(),
+ // Object Context
+ OCBranch: 0x0c,
+ OCType: 0x07c0,
+ OCLength: 4,
+ OCInstance: trafficControl,
+ // Vc
+ VcBranch: 0x7c,
+ VcLeaf: 0x0002,
+ VcLength: 0x09,
+
+ //EC OC
+ ECOC: []ECOCTrafficControlTrafficProfile{{EcOcLength: 8, EcOcBranch: 0x0c, EcOcType: 0x070f, EcOcLength2: 4, EcOcInstance: trafficProfile}},
+
+ // End
+ EndBranch: 0x00,
+ }
+
+ return tibitData
+}
+
+type setTrafficControlTrafficProfileReq struct {
+ layers.BaseLayer
+ Opcode uint8
+ Flags uint16
+ OAMPDUCode uint8
+ OUId []byte // Organizationally Unique Identifier: 2a:ea:15 (Tibit Communications)
+ TOMIOpcode uint8
+ CTBranch uint8
+ CTType uint16
+ CTLength uint8
+ CTInstance uint32
+ OCBranch uint8
+ OCType uint16
+ OCLength uint8
+ OCInstance []byte
+ VcBranch uint8
+ VcLeaf uint16
+ VcLength uint8
+
+ ECOC []ECOCTrafficControlTrafficProfile
+
+ EndBranch uint8
+}
+
+// ECOCTrafficControlTrafficProfile is a structure for Vc-EC OC object
+type ECOCTrafficControlTrafficProfile struct {
+ EcOcLength uint8
+ EcOcBranch uint8
+ EcOcType uint16
+ EcOcLength2 uint8
+ EcOcInstance []byte
+}
+
+// String returns the string expression of setTrafficControlTrafficProfileReq
+func (d *setTrafficControlTrafficProfileReq) String() string {
+ message := fmt.Sprintf("Opcode:%x, Flags:%x, OAMPDUCode:%x, OUId:%v", d.Opcode, d.Flags, d.OAMPDUCode, hex.EncodeToString(d.OUId))
+ message = fmt.Sprintf("%s, TOMIOpcode:%x", message, d.TOMIOpcode)
+ message = fmt.Sprintf("%s, CTBranch:%x, CTType:%x, CTLength:%x, CTInstance:%x", message, d.CTBranch, d.CTType, d.CTLength, d.CTInstance)
+ message = fmt.Sprintf("%s, OCBranch:%x, OCType:%x, OCLength:%x, OCInstance:%x", message, d.OCBranch, d.OCType, d.OCLength, d.OCInstance)
+ message = fmt.Sprintf("%s, VcBranch:%x, VcLeaf:%x, VcLength:%x", message, d.VcBranch, d.VcLeaf, d.VcLength)
+ for _, ecoc := range d.ECOC {
+ message = fmt.Sprintf("%s, EcOcLength:%x, EcOcBranch:%v, EcOcType:%x, EcOcLength2:%x, EcOcInstance:%x, ", message, ecoc.EcOcLength, ecoc.EcOcBranch, ecoc.EcOcType, ecoc.EcOcLength2, hex.EncodeToString(ecoc.EcOcInstance))
+ }
+ message = fmt.Sprintf("%s, EndBranch:%x", message, d.EndBranch)
+ return message
+}
+
+// Len returns the length of setTrafficControlTrafficProfileReq
+func (d *setTrafficControlTrafficProfileReq) Len() int {
+ return 21 + int(d.CTLength) + int(d.OCLength) + int(d.VcLength)
+}
+
+// LayerType returns the ethernet type of setTrafficControlTrafficProfileReq
+func (d *setTrafficControlTrafficProfileReq) LayerType() gopacket.LayerType {
+ return layers.LayerTypeEthernet
+}
+
+// SerializeTo serializes a data structure to byte arrays
+func (d *setTrafficControlTrafficProfileReq) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
+ plen := int(d.Len())
+ data, err := b.PrependBytes(plen)
+ if err != nil {
+ return err
+ }
+
+ i := 0
+ data[i] = byte(d.Opcode)
+ i++
+ binary.BigEndian.PutUint16(data[i:i+2], d.Flags)
+ i += 2
+ data[i] = byte(d.OAMPDUCode)
+ i++
+ copy(data[i:i+len(d.OUId)], d.OUId)
+ i += len(d.OUId)
+ data[i] = byte(d.TOMIOpcode)
+ i++
+ data[i] = byte(d.CTBranch)
+ i++
+ binary.BigEndian.PutUint16(data[i:i+2], d.CTType)
+ i += 2
+ data[i] = byte(d.CTLength)
+ i++
+ binary.BigEndian.PutUint32(data[i:i+4], d.CTInstance)
+ i += 4
+ data[i] = byte(d.OCBranch)
+ i++
+ binary.BigEndian.PutUint16(data[i:i+2], d.OCType)
+ i += 2
+ data[i] = byte(d.OCLength)
+ i++
+ copy(data[i:i+4], d.OCInstance)
+ i += 4
+ data[i] = byte(d.VcBranch)
+ i++
+ binary.BigEndian.PutUint16(data[i:i+2], d.VcLeaf)
+ i += 2
+ data[i] = byte(d.VcLength)
+ i++
+ for _, ecoc := range d.ECOC {
+ nextIndex := SerializeECOC(&ecoc, data, i)
+ i = nextIndex
+ }
+
+ data[i] = byte(d.EndBranch)
+
+ return nil
+}
+
+// SerializeECOC serializes a "EC OC" structure to byte arrays
+func SerializeECOC(ecoc *ECOCTrafficControlTrafficProfile, data []byte, startIndex int) int {
+ i := startIndex
+ data[i] = byte(ecoc.EcOcLength)
+ i++
+ data[i] = byte(ecoc.EcOcBranch)
+ i++
+ binary.BigEndian.PutUint16(data[i:i+2], ecoc.EcOcType)
+ i += 2
+ data[i] = byte(ecoc.EcOcLength2)
+ i++
+ copy(data[i:i+int(ecoc.EcOcLength2)], ecoc.EcOcInstance)
+ i += int(ecoc.EcOcLength2)
+
+ return i
+}