[VOL-1349] EPON OLT adapter (package B)
Change-Id: I634ef62c53813dcf4456f54948f13e06358e263c
diff --git a/internal/pkg/core/l2oam/msg_l2switching_domain_action_lnlet_entry.go b/internal/pkg/core/l2oam/msg_l2switching_domain_action_lnlet_entry.go
new file mode 100644
index 0000000..b826292
--- /dev/null
+++ b/internal/pkg/core/l2oam/msg_l2switching_domain_action_lnlet_entry.go
@@ -0,0 +1,215 @@
+/*
+ * 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"
+)
+
+// L2switchingDomainRequest is a structure for a request of "L2 Switching Domain/Action Inlet entry" message
+type L2switchingDomainRequest 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 uint32
+ VcBranch uint8
+ VcLeaf uint16
+ VcLength uint8
+ SOLength uint8
+ SOBranch uint8
+ SOType uint16
+ SOValLength uint8
+ SOInstance uint8
+ TMLLength uint8
+ TMLList []TpidVid
+ TOPopLength uint8
+ TOPopValue uint8
+ TOSLength uint8
+ TOSList []TpidVid
+ TOPushLength uint8
+ TOPushList []TpidVid
+ EndBranch uint8
+ SizeMargin uint8
+}
+
+// TpidVid is a structure for TPID/VID set
+type TpidVid struct {
+ Length uint8
+ TpIDLength uint8
+ TpIDValue []byte
+ VIdLength uint8
+ VIdValue []byte
+}
+
+// String returns the string expression of L2switchingDomainRequest
+func (d *L2switchingDomainRequest) 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)
+ message = fmt.Sprintf("%s, SOLength:%x, SOBranch:%x, SOType:%x, SOValLength:%x, SOInstance:%x", message, d.SOLength, d.SOBranch, d.SOType, d.SOValLength, d.SOInstance)
+ message = fmt.Sprintf("%s, TMLLength:%x", message, d.TMLLength)
+ for i, tagMatch := range d.TMLList {
+ message = fmt.Sprintf("%s, %s", message, stringToTpidVid(&tagMatch, i))
+ }
+ message = fmt.Sprintf("%s, TOPopLength:%x, TOPopValue:%x", message, d.TOPopLength, d.TOPopValue)
+ message = fmt.Sprintf("%s, TOSLength:%x", message, d.TOSLength)
+ for i, tagOpSet := range d.TOSList {
+ message = fmt.Sprintf("%s, %s", message, stringToTpidVid(&tagOpSet, i))
+ }
+ message = fmt.Sprintf("%s, TOPushLength:%x", message, d.TOPushLength)
+ for i, tagOpPush := range d.TOPushList {
+ message = fmt.Sprintf("%s, %s", message, stringToTpidVid(&tagOpPush, i))
+ }
+ return message
+}
+
+func stringToTpidVid(tpidVid *TpidVid, index int) string {
+ message := fmt.Sprintf("EC[%v]:{Length:%x, TpIdLength:%x", index, tpidVid.Length, tpidVid.TpIDLength)
+ if tpidVid.TpIDLength != 128 {
+ message = fmt.Sprintf("%s, TpIdValue:%v", message, hex.EncodeToString(tpidVid.TpIDValue))
+ }
+ message = fmt.Sprintf("%s, VIdLength:%x", message, tpidVid.VIdLength)
+ if tpidVid.VIdLength != 128 {
+ message = fmt.Sprintf("%s, VIdValue:%v", message, hex.EncodeToString(tpidVid.VIdValue))
+ }
+ message = fmt.Sprintf("%s}", message)
+ return message
+}
+
+// Len returns the length of L2switchingDomainRequest
+func (d *L2switchingDomainRequest) Len() int {
+ return 22 + int(d.CTLength) + int(d.OCLength) + int(d.VcLength) + int(d.SizeMargin)
+}
+
+// LayerType returns the ethernet type of L2switchingDomainRequest
+func (d *L2switchingDomainRequest) LayerType() gopacket.LayerType { return layers.LayerTypeEthernet }
+
+// SerializeTo serializes a data structure to byte arrays
+func (d *L2switchingDomainRequest) 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++
+ binary.BigEndian.PutUint32(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++
+ data[i] = byte(d.SOLength)
+ i++
+ data[i] = byte(d.SOBranch)
+ i++
+ binary.BigEndian.PutUint16(data[i:i+2], d.SOType)
+ i += 2
+ data[i] = byte(d.SOValLength)
+ i++
+ data[i] = byte(d.SOInstance)
+ i++
+ data[i] = byte(d.TMLLength)
+ i++
+ for _, tagMatch := range d.TMLList {
+ nextIndex := serializeTpidVid(&tagMatch, data, i)
+ i = nextIndex
+ }
+ data[i] = byte(d.TOPopLength)
+ i++
+ data[i] = byte(d.TOPopValue)
+ i++
+ data[i] = byte(d.TOSLength)
+ i++
+ for _, tagOpSet := range d.TOSList {
+ nextIndex := serializeTpidVid(&tagOpSet, data, i)
+ i = nextIndex
+ }
+ data[i] = d.TOPushLength
+ i++
+ for _, tagOpPush := range d.TOPushList {
+ nextIndex := serializeTpidVid(&tagOpPush, data, i)
+ i = nextIndex
+ }
+ data[i] = byte(d.EndBranch)
+
+ return nil
+}
+
+func serializeTpidVid(tpidVid *TpidVid, data []byte, startIndex int) int {
+ i := startIndex
+ data[i] = tpidVid.Length
+ i++
+ ln := tpidVid.TpIDLength
+ data[i] = ln
+ i++
+ if ln != 128 { // !Empty?
+ copy(data[i:i+int(ln)], tpidVid.TpIDValue)
+ i += int(ln)
+ }
+ ln = tpidVid.VIdLength
+ data[i] = ln
+ i++
+ if ln != 128 { // !Empty?
+ copy(data[i:i+int(ln)], tpidVid.VIdValue)
+ i += int(ln)
+ }
+ return i
+}