DHCPv6: Rename Option constants to CamelCase

To appease linters

38 files changed, 258 insertions, 257 deletions

diff --git a/dhcpv6/dhcpv6.go b/dhcpv6/dhcpv6.go
index 253a635..0dabca5 100644
--- a/dhcpv6/dhcpv6.go
+++ b/dhcpv6/dhcpv6.go
@@ -134,7 +134,7 @@ func DecapsulateRelay(l DHCPv6) (DHCPv6, error) {
 	if !l.IsRelay() {
 		return l, nil
 	}
-	opt := l.GetOneOption(OPTION_RELAY_MSG)
+	opt := l.GetOneOption(OptionRelayMsg)
 	if opt == nil {
 		return nil, fmt.Errorf("No OptRelayMsg found")
 	}
diff --git a/dhcpv6/dhcpv6_test.go b/dhcpv6/dhcpv6_test.go
index 656c62f..4a44e0e 100644
--- a/dhcpv6/dhcpv6_test.go
+++ b/dhcpv6/dhcpv6_test.go
@@ -198,20 +198,20 @@ func TestNewMessageTypeSolicitWithCID(t *testing.T) {
 
 	require.Equal(t, s.Type(), MessageTypeSolicit)
 	// Check CID
-	cidOption := s.GetOneOption(OPTION_CLIENTID)
+	cidOption := s.GetOneOption(OptionClientID)
 	require.NotNil(t, cidOption)
 	cid, ok := cidOption.(*OptClientId)
 	require.True(t, ok)
 	require.Equal(t, cid.Cid, duid)
 
 	// Check ORO
-	oroOption := s.GetOneOption(OPTION_ORO)
+	oroOption := s.GetOneOption(OptionORO)
 	require.NotNil(t, oroOption)
 	oro, ok := oroOption.(*OptRequestedOption)
 	require.True(t, ok)
 	opts := oro.RequestedOptions()
-	require.Contains(t, opts, DNS_RECURSIVE_NAME_SERVER)
-	require.Contains(t, opts, DOMAIN_SEARCH_LIST)
+	require.Contains(t, opts, OptionDNSRecursiveNameServer)
+	require.Contains(t, opts, OptionDomainSearchList)
 	require.Equal(t, len(opts), 2)
 }
 
diff --git a/dhcpv6/dhcpv6message.go b/dhcpv6/dhcpv6message.go
index be413f5..e601932 100644
--- a/dhcpv6/dhcpv6message.go
+++ b/dhcpv6/dhcpv6message.go
@@ -75,8 +75,8 @@ func NewSolicitWithCID(duid Duid, modifiers ...Modifier) (DHCPv6, error) {
 	d.AddOption(&OptClientId{Cid: duid})
 	oro := new(OptRequestedOption)
 	oro.SetRequestedOptions([]OptionCode{
-		DNS_RECURSIVE_NAME_SERVER,
-		DOMAIN_SEARCH_LIST,
+		OptionDNSRecursiveNameServer,
+		OptionDomainSearchList,
 	})
 	d.AddOption(oro)
 	d.AddOption(&OptElapsedTime{})
@@ -126,7 +126,7 @@ func NewAdvertiseFromSolicit(solicit DHCPv6, modifiers ...Modifier) (DHCPv6, err
 	adv.SetMessage(MessageTypeAdvertise)
 	adv.SetTransactionID(sol.TransactionID())
 	// add Client ID
-	cid := sol.GetOneOption(OPTION_CLIENTID)
+	cid := sol.GetOneOption(OptionClientID)
 	if cid == nil {
 		return nil, errors.New("Client ID cannot be nil in SOLICIT when building ADVERTISE")
 	}
@@ -158,13 +158,13 @@ func NewRequestFromAdvertise(advertise DHCPv6, modifiers ...Modifier) (DHCPv6, e
 	req.SetMessage(MessageTypeRequest)
 	req.SetTransactionID(adv.TransactionID())
 	// add Client ID
-	cid := adv.GetOneOption(OPTION_CLIENTID)
+	cid := adv.GetOneOption(OptionClientID)
 	if cid == nil {
 		return nil, fmt.Errorf("Client ID cannot be nil in ADVERTISE when building REQUEST")
 	}
 	req.AddOption(cid)
 	// add Server ID
-	sid := adv.GetOneOption(OPTION_SERVERID)
+	sid := adv.GetOneOption(OptionServerID)
 	if sid == nil {
 		return nil, fmt.Errorf("Server ID cannot be nil in ADVERTISE when building REQUEST")
 	}
@@ -172,7 +172,7 @@ func NewRequestFromAdvertise(advertise DHCPv6, modifiers ...Modifier) (DHCPv6, e
 	// add Elapsed Time
 	req.AddOption(&OptElapsedTime{})
 	// add IA_NA
-	iaNa := adv.GetOneOption(OPTION_IA_NA)
+	iaNa := adv.GetOneOption(OptionIANA)
 	if iaNa == nil {
 		return nil, fmt.Errorf("IA_NA cannot be nil in ADVERTISE when building REQUEST")
 	}
@@ -180,13 +180,13 @@ func NewRequestFromAdvertise(advertise DHCPv6, modifiers ...Modifier) (DHCPv6, e
 	// add OptRequestedOption
 	oro := OptRequestedOption{}
 	oro.SetRequestedOptions([]OptionCode{
-		DNS_RECURSIVE_NAME_SERVER,
-		DOMAIN_SEARCH_LIST,
+		OptionDNSRecursiveNameServer,
+		OptionDomainSearchList,
 	})
 	req.AddOption(&oro)
 	// add OPTION_VENDOR_CLASS, only if present in the original request
 	// TODO implement OptionVendorClass
-	vClass := adv.GetOneOption(OPTION_VENDOR_CLASS)
+	vClass := adv.GetOneOption(OptionVendorClass)
 	if vClass != nil {
 		req.AddOption(vClass)
 	}
@@ -220,7 +220,7 @@ func NewReplyFromDHCPv6Message(message DHCPv6, modifiers ...Modifier) (DHCPv6, e
 	rep.SetMessage(MessageTypeReply)
 	rep.SetTransactionID(msg.TransactionID())
 	// add Client ID
-	cid := message.GetOneOption(OPTION_CLIENTID)
+	cid := message.GetOneOption(OptionClientID)
 	if cid == nil {
 		return nil, errors.New("Client ID cannot be nil when building REPLY")
 	}
diff --git a/dhcpv6/dhcpv6relay.go b/dhcpv6/dhcpv6relay.go
index 221c65e..d9555cb 100644
--- a/dhcpv6/dhcpv6relay.go
+++ b/dhcpv6/dhcpv6relay.go
@@ -185,7 +185,7 @@ func NewRelayReplFromRelayForw(relayForw, msg DHCPv6) (DHCPv6, error) {
 	for {
 		linkAddr = append(linkAddr, relay.LinkAddr())
 		peerAddr = append(peerAddr, relay.PeerAddr())
-		optiids = append(optiids, relay.GetOneOption(OPTION_INTERFACE_ID))
+		optiids = append(optiids, relay.GetOneOption(OptionInterfaceID))
 		decap, err := DecapsulateRelay(relay)
 		if err != nil {
 			return nil, err
diff --git a/dhcpv6/modifiers.go b/dhcpv6/modifiers.go
index 54285cd..32d11ac 100644
--- a/dhcpv6/modifiers.go
+++ b/dhcpv6/modifiers.go
@@ -29,15 +29,15 @@ func WithNetboot(d DHCPv6) DHCPv6 {
 		log.Printf("WithNetboot: not a DHCPv6Message")
 		return d
 	}
-	// add OPT_BOOTFILE_URL and OPT_BOOTFILE_PARAM
-	opt := msg.GetOneOption(OPTION_ORO)
+	// add OptionBootfileURL and OptionBootfileParam
+	opt := msg.GetOneOption(OptionORO)
 	if opt == nil {
 		opt = &OptRequestedOption{}
 	}
 	// TODO only add options if they are not there already
 	oro := opt.(*OptRequestedOption)
-	oro.AddRequestedOption(OPT_BOOTFILE_URL)
-	oro.AddRequestedOption(OPT_BOOTFILE_PARAM)
+	oro.AddRequestedOption(OptionBootfileURL)
+	oro.AddRequestedOption(OptionBootfileParam)
 	msg.UpdateOption(oro)
 	return d
 }
diff --git a/dhcpv6/modifiers_test.go b/dhcpv6/modifiers_test.go
index da1ef56..ab21367 100644
--- a/dhcpv6/modifiers_test.go
+++ b/dhcpv6/modifiers_test.go
@@ -16,7 +16,7 @@ func TestWithClientID(t *testing.T) {
 	}
 	m, err := NewMessage(WithClientID(duid))
 	require.NoError(t, err)
-	opt := m.GetOneOption(OPTION_CLIENTID)
+	opt := m.GetOneOption(OptionClientID)
 	require.NotNil(t, opt)
 	cid := opt.(*OptClientId)
 	require.Equal(t, cid.Cid, duid)
@@ -30,7 +30,7 @@ func TestWithServerID(t *testing.T) {
 	}
 	m, err := NewMessage(WithServerID(duid))
 	require.NoError(t, err)
-	opt := m.GetOneOption(OPTION_SERVERID)
+	opt := m.GetOneOption(OptionServerID)
 	require.NotNil(t, opt)
 	sid := opt.(*OptServerId)
 	require.Equal(t, sid.Sid, duid)
diff --git a/dhcpv6/option_archtype.go b/dhcpv6/option_archtype.go
index 802e334..a1b4a9b 100644
--- a/dhcpv6/option_archtype.go
+++ b/dhcpv6/option_archtype.go
@@ -45,12 +45,12 @@ type OptClientArchType struct {
 }
 
 func (op *OptClientArchType) Code() OptionCode {
-	return OPTION_CLIENT_ARCH_TYPE
+	return OptionClientArchType
 }
 
 func (op *OptClientArchType) ToBytes() []byte {
 	buf := make([]byte, 6)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPTION_CLIENT_ARCH_TYPE))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionClientArchType))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
 	binary.BigEndian.PutUint16(buf[4:6], uint16(op.ArchType))
 	return buf
diff --git a/dhcpv6/option_archtype_test.go b/dhcpv6/option_archtype_test.go
index b446661..748c8c5 100644
--- a/dhcpv6/option_archtype_test.go
+++ b/dhcpv6/option_archtype_test.go
@@ -26,7 +26,7 @@ func TestOptClientArchTypeParseAndToBytes(t *testing.T) {
 		0, 8, // EFI_XSCALE
 	}
 	expected := []byte{
-		0, 61, // OPTION_CLIENT_ARCH_TYPE
+		0, 61, // OptionClientArchType
 		0, 2, // length
 		0, 8, // EFI_XSCALE
 	}
@@ -40,5 +40,5 @@ func TestOptClientArchType(t *testing.T) {
 		ArchType: EFI_ITANIUM,
 	}
 	require.Equal(t, opt.Length(), 2)
-	require.Equal(t, opt.Code(), OPTION_CLIENT_ARCH_TYPE)
+	require.Equal(t, opt.Code(), OptionClientArchType)
 }
diff --git a/dhcpv6/option_bootfileurl.go b/dhcpv6/option_bootfileurl.go
index e4817cb..d2da0c3 100644
--- a/dhcpv6/option_bootfileurl.go
+++ b/dhcpv6/option_bootfileurl.go
@@ -8,20 +8,20 @@ import (
 	"fmt"
 )
 
-// OptBootFileURL implements the OPT_BOOTFILE_URL option
+// OptBootFileURL implements the OptionBootfileURL option
 type OptBootFileURL struct {
 	BootFileURL []byte
 }
 
 // Code returns the option code
 func (op *OptBootFileURL) Code() OptionCode {
-	return OPT_BOOTFILE_URL
+	return OptionBootfileURL
 }
 
 // ToBytes serializes the option and returns it as a sequence of bytes
 func (op *OptBootFileURL) ToBytes() []byte {
 	buf := make([]byte, 4)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPT_BOOTFILE_URL))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionBootfileURL))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(len(op.BootFileURL)))
 	buf = append(buf, op.BootFileURL...)
 	return buf
diff --git a/dhcpv6/option_clientid.go b/dhcpv6/option_clientid.go
index 3c01d8c..fc68ae7 100644
--- a/dhcpv6/option_clientid.go
+++ b/dhcpv6/option_clientid.go
@@ -14,12 +14,12 @@ type OptClientId struct {
 }
 
 func (op *OptClientId) Code() OptionCode {
-	return OPTION_CLIENTID
+	return OptionClientID
 }
 
 func (op *OptClientId) ToBytes() []byte {
 	buf := make([]byte, 4)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPTION_CLIENTID))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionClientID))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
 	buf = append(buf, op.Cid.ToBytes()...)
 	return buf
diff --git a/dhcpv6/option_clientid_test.go b/dhcpv6/option_clientid_test.go
index dcaffca..77839f3 100644
--- a/dhcpv6/option_clientid_test.go
+++ b/dhcpv6/option_clientid_test.go
@@ -30,7 +30,7 @@ func TestOptClientIdToBytes(t *testing.T) {
 		},
 	}
 	expected := []byte{
-		0, 1, // OPTION_CLIENTID
+		0, 1, // OptionClientID
 		0, 10, // length
 		0, 3, // DUID_LL
 		0, 1, // hwtype ethernet
@@ -46,7 +46,7 @@ func TestOptClientIdDecodeEncode(t *testing.T) {
 		5, 4, 3, 2, 1, 0, // hw addr
 	}
 	expected := append([]byte{
-		0, 1, // OPTION_CLIENTID
+		0, 1, // OptionClientID
 		0, 10, // length
 	}, data...)
 	opt, err := ParseOptClientId(data)
@@ -63,5 +63,5 @@ func TestOptionClientId(t *testing.T) {
 		},
 	}
 	require.Equal(t, opt.Length(), 10)
-	require.Equal(t, opt.Code(), OPTION_CLIENTID)
+	require.Equal(t, opt.Code(), OptionClientID)
 }
diff --git a/dhcpv6/option_dnsrecursivenameserver.go b/dhcpv6/option_dnsrecursivenameserver.go
index 737a2d3..72b0767 100644
--- a/dhcpv6/option_dnsrecursivenameserver.go
+++ b/dhcpv6/option_dnsrecursivenameserver.go
@@ -9,21 +9,21 @@ import (
 	"net"
 )
 
-// OptDNSRecursiveNameServer represents a DNS_RECURSIVE_NAME_SERVER option
+// OptDNSRecursiveNameServer represents a OptionDNSRecursiveNameServer option
 type OptDNSRecursiveNameServer struct {
 	NameServers []net.IP
 }
 
 // Code returns the option code
 func (op *OptDNSRecursiveNameServer) Code() OptionCode {
-	return DNS_RECURSIVE_NAME_SERVER
+	return OptionDNSRecursiveNameServer
 }
 
 // ToBytes returns the option serialized to bytes, including option code and
 // length
 func (op *OptDNSRecursiveNameServer) ToBytes() []byte {
 	buf := make([]byte, 4)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(DNS_RECURSIVE_NAME_SERVER))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionDNSRecursiveNameServer))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
 	for _, ns := range op.NameServers {
 		buf = append(buf, ns...)
diff --git a/dhcpv6/option_dnsrecursivenameserver_test.go b/dhcpv6/option_dnsrecursivenameserver_test.go
index 85bb982..71fe6d3 100644
--- a/dhcpv6/option_dnsrecursivenameserver_test.go
+++ b/dhcpv6/option_dnsrecursivenameserver_test.go
@@ -25,7 +25,7 @@ func TestOptDNSRecursiveNameServerToBytes(t *testing.T) {
 	ns2 := net.ParseIP("2001:4860:4860::8888")
 	nameservers := []net.IP{ns1, ns2}
 	expected := []byte{
-		0, 23, // DNS_RECURSIVE_NAME_SERVER
+		0, 23, // OptionDNSRecursiveNameServer
 		0, 32, // length
 	}
 	expected = append(expected, []byte(ns1)...)
diff --git a/dhcpv6/option_domainsearchlist.go b/dhcpv6/option_domainsearchlist.go
index 402c68e..6e5504c 100644
--- a/dhcpv6/option_domainsearchlist.go
+++ b/dhcpv6/option_domainsearchlist.go
@@ -8,18 +8,18 @@ import (
 	"fmt"
 )
 
-// OptDomainSearchList list implements a DOMAIN_SEARCH_LIST option
+// OptDomainSearchList list implements a OptionDomainSearchList option
 type OptDomainSearchList struct {
 	DomainSearchList []string
 }
 
 func (op *OptDomainSearchList) Code() OptionCode {
-	return DOMAIN_SEARCH_LIST
+	return OptionDomainSearchList
 }
 
 func (op *OptDomainSearchList) ToBytes() []byte {
 	buf := make([]byte, 4)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(DOMAIN_SEARCH_LIST))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionDomainSearchList))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
 	buf = append(buf, LabelsToBytes(op.DomainSearchList)...)
 	return buf
diff --git a/dhcpv6/option_domainsearchlist_test.go b/dhcpv6/option_domainsearchlist_test.go
index d5b8bf7..68f93ba 100644
--- a/dhcpv6/option_domainsearchlist_test.go
+++ b/dhcpv6/option_domainsearchlist_test.go
@@ -20,7 +20,7 @@ func TestParseOptDomainSearchList(t *testing.T) {
 
 func TestOptDomainSearchListToBytes(t *testing.T) {
 	expected := []byte{
-		0, 24, // DOMAIN_SEARCH_LIST
+		0, 24, // OptionDomainSearchList
 		0, 33, // length
 		7, 'e', 'x', 'a', 'm', 'p', 'l', 'e', 3, 'c', 'o', 'm', 0,
 		6, 's', 'u', 'b', 'n', 'e', 't', 7, 'e', 'x', 'a', 'm', 'p', 'l', 'e', 3, 'o', 'r', 'g', 0,
diff --git a/dhcpv6/option_elapsedtime.go b/dhcpv6/option_elapsedtime.go
index e0a1094..6009bf8 100644
--- a/dhcpv6/option_elapsedtime.go
+++ b/dhcpv6/option_elapsedtime.go
@@ -13,12 +13,12 @@ type OptElapsedTime struct {
 }
 
 func (op *OptElapsedTime) Code() OptionCode {
-	return OPTION_ELAPSED_TIME
+	return OptionElapsedTime
 }
 
 func (op *OptElapsedTime) ToBytes() []byte {
 	buf := make([]byte, 6)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPTION_ELAPSED_TIME))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionElapsedTime))
 	binary.BigEndian.PutUint16(buf[2:4], 2)
 	binary.BigEndian.PutUint16(buf[4:6], uint16(op.ElapsedTime))
 	return buf
diff --git a/dhcpv6/option_iaaddress.go b/dhcpv6/option_iaaddress.go
index 1a89a25..0500d83 100644
--- a/dhcpv6/option_iaaddress.go
+++ b/dhcpv6/option_iaaddress.go
@@ -9,7 +9,7 @@ import (
 	"net"
 )
 
-// OptIAAddress represents an OPTION_IAADDR
+// OptIAAddress represents an OptionIAAddr
 type OptIAAddress struct {
 	IPv6Addr          net.IP
 	PreferredLifetime uint32
@@ -19,13 +19,13 @@ type OptIAAddress struct {
 
 // Code returns the option's code
 func (op *OptIAAddress) Code() OptionCode {
-	return OPTION_IAADDR
+	return OptionIAAddr
 }
 
 // ToBytes serializes the option and returns it as a sequence of bytes
 func (op *OptIAAddress) ToBytes() []byte {
 	buf := make([]byte, 28)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPTION_IAADDR))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionIAAddr))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
 	copy(buf[4:20], op.IPv6Addr[:])
 	binary.BigEndian.PutUint32(buf[20:24], op.PreferredLifetime)
diff --git a/dhcpv6/option_iaaddress_test.go b/dhcpv6/option_iaaddress_test.go
index ad4f69c..0240949 100644
--- a/dhcpv6/option_iaaddress_test.go
+++ b/dhcpv6/option_iaaddress_test.go
@@ -45,7 +45,7 @@ func TestOptIAAddressParseInvalidBrokenOptions(t *testing.T) {
 
 func TestOptIAAddressToBytes(t *testing.T) {
 	expected := []byte{
-		0, 5, // OPTION_IAADDR
+		0, 5, // OptionIAAddr
 		0, 30, // length
 	}
 	ipBytes := []byte{0x24, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
diff --git a/dhcpv6/option_iaprefix.go b/dhcpv6/option_iaprefix.go
index 57810b1..3f6227b 100644
--- a/dhcpv6/option_iaprefix.go
+++ b/dhcpv6/option_iaprefix.go
@@ -18,12 +18,12 @@ type OptIAPrefix struct {
 }
 
 func (op *OptIAPrefix) Code() OptionCode {
-	return OPTION_IAPREFIX
+	return OptionIAPrefix
 }
 
 func (op *OptIAPrefix) ToBytes() []byte {
 	buf := make([]byte, 12)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPTION_IAPREFIX))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionIAPrefix))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
 	binary.BigEndian.PutUint32(buf[4:8], op.preferredLifetime)
 	binary.BigEndian.PutUint32(buf[8:12], op.validLifetime)
diff --git a/dhcpv6/option_interfaceid.go b/dhcpv6/option_interfaceid.go
index 2634d9f..2bee744 100644
--- a/dhcpv6/option_interfaceid.go
+++ b/dhcpv6/option_interfaceid.go
@@ -13,12 +13,12 @@ type OptInterfaceId struct {
 }
 
 func (op *OptInterfaceId) Code() OptionCode {
-	return OPTION_INTERFACE_ID
+	return OptionInterfaceID
 }
 
 func (op *OptInterfaceId) ToBytes() []byte {
 	buf := make([]byte, 4)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPTION_INTERFACE_ID))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionInterfaceID))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(len(op.interfaceId)))
 	buf = append(buf, op.interfaceId...)
 	return buf
diff --git a/dhcpv6/option_nii.go b/dhcpv6/option_nii.go
index 3a838ee..68e315e 100644
--- a/dhcpv6/option_nii.go
+++ b/dhcpv6/option_nii.go
@@ -33,12 +33,12 @@ type OptNetworkInterfaceId struct {
 }
 
 func (op *OptNetworkInterfaceId) Code() OptionCode {
-	return OPTION_NII
+	return OptionNII
 }
 
 func (op *OptNetworkInterfaceId) ToBytes() []byte {
 	buf := make([]byte, 7)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPTION_NII))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionNII))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
 	buf[4] = op.type_
 	buf[5] = op.major
diff --git a/dhcpv6/option_nontemporaryaddress.go b/dhcpv6/option_nontemporaryaddress.go
index 5debeec..62442c1 100644
--- a/dhcpv6/option_nontemporaryaddress.go
+++ b/dhcpv6/option_nontemporaryaddress.go
@@ -16,12 +16,12 @@ type OptIANA struct {
 }
 
 func (op *OptIANA) Code() OptionCode {
-	return OPTION_IA_NA
+	return OptionIANA
 }
 
 func (op *OptIANA) ToBytes() []byte {
 	buf := make([]byte, 16)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPTION_IA_NA))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionIANA))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
 	copy(buf[4:8], op.IaId[:])
 	binary.BigEndian.PutUint32(buf[8:12], op.T1)
diff --git a/dhcpv6/option_nontemporaryaddress_test.go b/dhcpv6/option_nontemporaryaddress_test.go
index 54df8f0..39c3c36 100644
--- a/dhcpv6/option_nontemporaryaddress_test.go
+++ b/dhcpv6/option_nontemporaryaddress_test.go
@@ -47,7 +47,7 @@ func TestOptIANAGetOneOption(t *testing.T) {
 	opt := OptIANA{
 		Options: []Option{&OptElapsedTime{}, oaddr},
 	}
-	require.Equal(t, oaddr, opt.GetOneOption(OPTION_IAADDR))
+	require.Equal(t, oaddr, opt.GetOneOption(OptionIAAddr))
 }
 
 func TestOptIANAGetOneOptionMissingOpt(t *testing.T) {
@@ -57,7 +57,7 @@ func TestOptIANAGetOneOptionMissingOpt(t *testing.T) {
 	opt := OptIANA{
 		Options: []Option{&OptElapsedTime{}, oaddr},
 	}
-	require.Equal(t, nil, opt.GetOneOption(DNS_RECURSIVE_NAME_SERVER))
+	require.Equal(t, nil, opt.GetOneOption(OptionDNSRecursiveNameServer))
 }
 
 func TestOptIANADelOption(t *testing.T) {
@@ -69,13 +69,13 @@ func TestOptIANADelOption(t *testing.T) {
 	optiana1.Options = append(optiana1.Options, &optsc)
 	optiana1.Options = append(optiana1.Options, &optiaaddr)
 	optiana1.Options = append(optiana1.Options, &optiaaddr)
-	optiana1.DelOption(OPTION_IAADDR)
+	optiana1.DelOption(OptionIAAddr)
 	require.Equal(t, optiana1.Options, []Option{&optsc})
 
 	optiana2.Options = append(optiana2.Options, &optiaaddr)
 	optiana2.Options = append(optiana2.Options, &optsc)
 	optiana2.Options = append(optiana2.Options, &optiaaddr)
-	optiana2.DelOption(OPTION_IAADDR)
+	optiana2.DelOption(OptionIAAddr)
 	require.Equal(t, optiana2.Options, []Option{&optsc})
 }
 
@@ -91,7 +91,7 @@ func TestOptIANAToBytes(t *testing.T) {
 		},
 	}
 	expected := []byte{
-		0, 3, // OPTION_IA_NA
+		0, 3, // OptionIANA
 		0, 18, // length
 		1, 2, 3, 4, // IA ID
 		0, 0, 0x30, 0x39, // T1 = 12345
diff --git a/dhcpv6/option_prefixdelegation.go b/dhcpv6/option_prefixdelegation.go
index 2a211c0..ecc7990 100644
--- a/dhcpv6/option_prefixdelegation.go
+++ b/dhcpv6/option_prefixdelegation.go
@@ -16,12 +16,12 @@ type OptIAForPrefixDelegation struct {
 }
 
 func (op *OptIAForPrefixDelegation) Code() OptionCode {
-	return OPTION_IA_PD
+	return OptionIAPD
 }
 
 func (op *OptIAForPrefixDelegation) ToBytes() []byte {
 	buf := make([]byte, 16)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPTION_IA_PD))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionIAPD))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
 	copy(buf[4:8], op.iaId[:])
 	binary.BigEndian.PutUint32(buf[8:12], op.t1)
diff --git a/dhcpv6/option_relaymsg.go b/dhcpv6/option_relaymsg.go
index 98b9e84..89621ec 100644
--- a/dhcpv6/option_relaymsg.go
+++ b/dhcpv6/option_relaymsg.go
@@ -13,12 +13,12 @@ type OptRelayMsg struct {
 }
 
 func (op *OptRelayMsg) Code() OptionCode {
-	return OPTION_RELAY_MSG
+	return OptionRelayMsg
 }
 
 func (op *OptRelayMsg) ToBytes() []byte {
 	buf := make([]byte, 4)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPTION_RELAY_MSG))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionRelayMsg))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
 	buf = append(buf, op.relayMessage.ToBytes()...)
 	return buf
diff --git a/dhcpv6/option_relaymsg_test.go b/dhcpv6/option_relaymsg_test.go
index 6376813..df2442c 100644
--- a/dhcpv6/option_relaymsg_test.go
+++ b/dhcpv6/option_relaymsg_test.go
@@ -16,9 +16,9 @@ func TestRelayMsgParseOptRelayMsg(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if code := opt.Code(); code != OPTION_RELAY_MSG {
-		t.Fatalf("Invalid option code. Expected OPTION_RELAY_MSG (%v), got %v",
-			OPTION_RELAY_MSG, code,
+	if code := opt.Code(); code != OptionRelayMsg {
+		t.Fatalf("Invalid option code. Expected OptionRelayMsg (%v), got %v",
+			OptionRelayMsg, code,
 		)
 	}
 }
@@ -40,9 +40,9 @@ func TestRelayMsgOptionsFromBytes(t *testing.T) {
 		t.Fatalf("Invalid number of options. Expected 1, got %v", len(opts))
 	}
 	opt := opts[0]
-	if code := opt.Code(); code != OPTION_RELAY_MSG {
-		t.Fatalf("Invalid option code. Expected OPTION_RELAY_MSG (%v), got %v",
-			OPTION_RELAY_MSG, code,
+	if code := opt.Code(); code != OptionRelayMsg {
+		t.Fatalf("Invalid option code. Expected OptionRelayMsg (%v), got %v",
+			OptionRelayMsg, code,
 		)
 	}
 }
@@ -76,9 +76,9 @@ func TestRelayMsgParseOptRelayMsgSingleEncapsulation(t *testing.T) {
 	if len(r.options) != 1 {
 		t.Fatalf("Invalid number of options. Expected 1, got %v", len(r.options))
 	}
-	if code := r.options[0].Code(); code != OPTION_RELAY_MSG {
-		t.Fatalf("Invalid option code. Expected OPTION_RELAY_MSG (%v), got %v",
-			OPTION_RELAY_MSG, code,
+	if code := r.options[0].Code(); code != OptionRelayMsg {
+		t.Fatalf("Invalid option code. Expected OptionRelayMsg (%v), got %v",
+			OptionRelayMsg, code,
 		)
 	}
 	opt := r.options[0]
diff --git a/dhcpv6/option_remoteid.go b/dhcpv6/option_remoteid.go
index 210363d..9d249a7 100644
--- a/dhcpv6/option_remoteid.go
+++ b/dhcpv6/option_remoteid.go
@@ -14,12 +14,12 @@ type OptRemoteId struct {
 }
 
 func (op *OptRemoteId) Code() OptionCode {
-	return OPTION_REMOTE_ID
+	return OptionRemoteID
 }
 
 func (op *OptRemoteId) ToBytes() []byte {
 	buf := make([]byte, 8)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPTION_REMOTE_ID))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionRemoteID))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
 	binary.BigEndian.PutUint32(buf[4:8], uint32(op.enterpriseNumber))
 	buf = append(buf, op.remoteId...)
diff --git a/dhcpv6/option_requestedoption.go b/dhcpv6/option_requestedoption.go
index f6327f9..a55c533 100644
--- a/dhcpv6/option_requestedoption.go
+++ b/dhcpv6/option_requestedoption.go
@@ -13,13 +13,13 @@ type OptRequestedOption struct {
 }
 
 func (op *OptRequestedOption) Code() OptionCode {
-	return OPTION_ORO
+	return OptionORO
 }
 
 func (op *OptRequestedOption) ToBytes() []byte {
 	buf := make([]byte, 4)
 	roBytes := make([]byte, 2)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPTION_ORO))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionORO))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
 	for _, ro := range op.requestedOptions {
 		binary.BigEndian.PutUint16(roBytes, uint16(ro))
diff --git a/dhcpv6/option_serverid.go b/dhcpv6/option_serverid.go
index ffc1b69..dbc17f5 100644
--- a/dhcpv6/option_serverid.go
+++ b/dhcpv6/option_serverid.go
@@ -14,12 +14,12 @@ type OptServerId struct {
 }
 
 func (op *OptServerId) Code() OptionCode {
-	return OPTION_SERVERID
+	return OptionServerID
 }
 
 func (op *OptServerId) ToBytes() []byte {
 	buf := make([]byte, 4)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPTION_SERVERID))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionServerID))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
 	buf = append(buf, op.Sid.ToBytes()...)
 	return buf
diff --git a/dhcpv6/option_serverid_test.go b/dhcpv6/option_serverid_test.go
index f420b78..e330fa8 100644
--- a/dhcpv6/option_serverid_test.go
+++ b/dhcpv6/option_serverid_test.go
@@ -30,7 +30,7 @@ func TestOptServerIdToBytes(t *testing.T) {
 		},
 	}
 	expected := []byte{
-		0, 2, // OPTION_SERVERID
+		0, 2, // OptionServerID
 		0, 10, // length
 		0, 3, // DUID_LL
 		0, 1, // hwtype ethernet
@@ -46,7 +46,7 @@ func TestOptServerIdDecodeEncode(t *testing.T) {
 		5, 4, 3, 2, 1, 0, // hw addr
 	}
 	expected := append([]byte{
-		0, 2, // OPTION_SERVERID
+		0, 2, // OptionServerID
 		0, 10, // length
 	}, data...)
 	opt, err := ParseOptServerId(data)
@@ -63,5 +63,5 @@ func TestOptionServerId(t *testing.T) {
 		},
 	}
 	require.Equal(t, opt.Length(), 10)
-	require.Equal(t, opt.Code(), OPTION_SERVERID)
+	require.Equal(t, opt.Code(), OptionServerID)
 }
diff --git a/dhcpv6/option_statuscode.go b/dhcpv6/option_statuscode.go
index e6bd8ae..11f1cbf 100644
--- a/dhcpv6/option_statuscode.go
+++ b/dhcpv6/option_statuscode.go
@@ -18,13 +18,13 @@ type OptStatusCode struct {
 
 // Code returns the option code
 func (op *OptStatusCode) Code() OptionCode {
-	return OPTION_STATUS_CODE
+	return OptionStatusCode
 }
 
 // ToBytes serializes the option and returns it as a sequence of bytes
 func (op *OptStatusCode) ToBytes() []byte {
 	buf := make([]byte, 6)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPTION_STATUS_CODE))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionStatusCode))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
 	binary.BigEndian.PutUint16(buf[4:6], uint16(op.StatusCode))
 	buf = append(buf, op.StatusMessage...)
diff --git a/dhcpv6/option_statuscode_test.go b/dhcpv6/option_statuscode_test.go
index 95c785e..6d2ba94 100644
--- a/dhcpv6/option_statuscode_test.go
+++ b/dhcpv6/option_statuscode_test.go
@@ -20,7 +20,7 @@ func TestParseOptStatusCode(t *testing.T) {
 
 func TestOptStatusCodeToBytes(t *testing.T) {
 	expected := []byte{
-		0, 13, // OPTION_STATUS_CODE
+		0, 13, // OptionStatusCode
 		0, 9, // length
 		0, 0, // StatusSuccess
 		's', 'u', 'c', 'c', 'e', 's', 's',
diff --git a/dhcpv6/option_types.go b/dhcpv6/option_types.go
index 946dcd0..6a852ad 100644
--- a/dhcpv6/option_types.go
+++ b/dhcpv6/option_types.go
@@ -1,152 +1,153 @@
 package dhcpv6
 
-// FIXME: rename all the options to have a consistent name, e.g. OPT_<NAME>
+// All DHCPv6 options.
 const (
-	OPTION_CLIENTID     OptionCode = 1
-	OPTION_SERVERID     OptionCode = 2
-	OPTION_IA_NA        OptionCode = 3
-	OPTION_IA_TA        OptionCode = 4
-	OPTION_IAADDR       OptionCode = 5
-	OPTION_ORO          OptionCode = 6
-	OPTION_PREFERENCE   OptionCode = 7
-	OPTION_ELAPSED_TIME OptionCode = 8
-	OPTION_RELAY_MSG    OptionCode = 9
+	OptionClientID    OptionCode = 1
+	OptionServerID    OptionCode = 2
+	OptionIANA        OptionCode = 3
+	OptionIATA        OptionCode = 4
+	OptionIAAddr      OptionCode = 5
+	OptionORO         OptionCode = 6
+	OptionPreference  OptionCode = 7
+	OptionElapsedTime OptionCode = 8
+	OptionRelayMsg    OptionCode = 9
 	// skip 10
-	OPTION_AUTH                        OptionCode = 11
-	OPTION_UNICAST                     OptionCode = 12
-	OPTION_STATUS_CODE                 OptionCode = 13
-	OPTION_RAPID_COMMIT                OptionCode = 14
-	OPTION_USER_CLASS                  OptionCode = 15
-	OPTION_VENDOR_CLASS                OptionCode = 16
-	OPTION_VENDOR_OPTS                 OptionCode = 17
-	OPTION_INTERFACE_ID                OptionCode = 18
-	OPTION_RECONF_MSG                  OptionCode = 19
-	OPTION_RECONF_ACCEPT               OptionCode = 20
-	SIP_SERVERS_DOMAIN_NAME_LIST       OptionCode = 21
-	SIP_SERVERS_IPV6_ADDRESS_LIST      OptionCode = 22
-	DNS_RECURSIVE_NAME_SERVER          OptionCode = 23
-	DOMAIN_SEARCH_LIST                 OptionCode = 24
-	OPTION_IA_PD                       OptionCode = 25
-	OPTION_IAPREFIX                    OptionCode = 26
-	OPTION_NIS_SERVERS                 OptionCode = 27
-	OPTION_NISP_SERVERS                OptionCode = 28
-	OPTION_NIS_DOMAIN_NAME             OptionCode = 29
-	OPTION_NISP_DOMAIN_NAME            OptionCode = 30
-	SNTP_SERVER_LIST                   OptionCode = 31
-	INFORMATION_REFRESH_TIME           OptionCode = 32
-	BCMCS_CONTROLLER_DOMAIN_NAME_LIST  OptionCode = 33
-	BCMCS_CONTROLLER_IPV6_ADDRESS_LIST OptionCode = 34
+	OptionAuth                           OptionCode = 11
+	OptionUnicast                        OptionCode = 12
+	OptionStatusCode                     OptionCode = 13
+	OptionRapidCommit                    OptionCode = 14
+	OptionUserClass                      OptionCode = 15
+	OptionVendorClass                    OptionCode = 16
+	OptionVendorOpts                     OptionCode = 17
+	OptionInterfaceID                    OptionCode = 18
+	OptionReconfMessage                  OptionCode = 19
+	OptionReconfAccept                   OptionCode = 20
+	OptionSIPServersDomainNameList       OptionCode = 21
+	OptionSIPServersIPv6AddressList      OptionCode = 22
+	OptionDNSRecursiveNameServer         OptionCode = 23
+	OptionDomainSearchList               OptionCode = 24
+	OptionIAPD                           OptionCode = 25
+	OptionIAPrefix                       OptionCode = 26
+	OptionNISServers                     OptionCode = 27
+	OptionNISPServers                    OptionCode = 28
+	OptionNISDomainName                  OptionCode = 29
+	OptionNISPDomainName                 OptionCode = 30
+	OptionSNTPServerList                 OptionCode = 31
+	OptionInformationRefreshTime         OptionCode = 32
+	OptionBCMCSControllerDomainNameList  OptionCode = 33
+	OptionBCMCSControllerIPv6AddressList OptionCode = 34
 	// skip 35
-	OPTION_GEOCONF_CIVIC                        OptionCode = 36
-	OPTION_REMOTE_ID                            OptionCode = 37
-	RELAY_AGENT_SUBSCRIBER_ID                   OptionCode = 38
-	FQDN                                        OptionCode = 39
-	PANA_AUTHENTICATION_AGENT                   OptionCode = 40
-	OPTION_NEW_POSIX_TIMEZONE                   OptionCode = 41
-	OPTION_NEW_TZDB_TIMEZONE                    OptionCode = 42
-	ECHO_REQUEST                                OptionCode = 43
-	OPTION_LQ_QUERY                             OptionCode = 44
-	OPTION_CLIENT_DATA                          OptionCode = 45
-	OPTION_CLT_TIME                             OptionCode = 46
-	OPTION_LQ_RELAY_DATA                        OptionCode = 47
-	OPTION_LQ_CLIENT_LINK                       OptionCode = 48
-	MIPV6_HOME_NETWORK_ID_FQDN                  OptionCode = 49
-	MIPV6_VISITED_HOME_NETWORK_INFORMATION      OptionCode = 50
-	LOST_SERVER                                 OptionCode = 51
-	CAPWAP_ACCESS_CONTROLLER_ADDRESSES          OptionCode = 52
-	RELAY_ID                                    OptionCode = 53
-	OPTION_IPV6_ADDRESS_MOS                     OptionCode = 54
-	OPTION_IPV6_FQDN_MOS                        OptionCode = 55
-	OPTION_NTP_SERVER                           OptionCode = 56
-	OPTION_V6_ACCESS_DOMAIN                     OptionCode = 57
-	OPTION_SIP_UA_CS_LIST                       OptionCode = 58
-	OPT_BOOTFILE_URL                            OptionCode = 59
-	OPT_BOOTFILE_PARAM                          OptionCode = 60
-	OPTION_CLIENT_ARCH_TYPE                     OptionCode = 61
-	OPTION_NII                                  OptionCode = 62
-	OPTION_GEOLOCATION                          OptionCode = 63
-	OPTION_AFTR_NAME                            OptionCode = 64
-	OPTION_ERP_LOCAL_DOMAIN_NAME                OptionCode = 65
-	OPTION_RSOO                                 OptionCode = 66
-	OPTION_PD_EXCLUDE                           OptionCode = 67
-	VIRTUAL_SUBNET_SELECTION                    OptionCode = 68
-	MIPV6_IDENTIFIED_HOME_NETWORK_INFORMATION   OptionCode = 69
-	MIPV6_UNRESTRICTED_HOME_NETWORK_INFORMATION OptionCode = 70
-	MIPV6_HOME_NETWORK_PREFIX                   OptionCode = 71
-	MIPV6_HOME_AGENT_ADDRESS                    OptionCode = 72
-	MIPV6_HOME_AGENT_FQDN                       OptionCode = 73
+	OptionGeoConfCivic                            OptionCode = 36
+	OptionRemoteID                                OptionCode = 37
+	OptionRelayAgentSubscriberID                  OptionCode = 38
+	OptionFQDN                                    OptionCode = 39
+	OptionPANAAuthenticationAgent                 OptionCode = 40
+	OptionNewPOSIXTimezone                        OptionCode = 41
+	OptionNewTZDBTimezone                         OptionCode = 42
+	OptionEchoRequest                             OptionCode = 43
+	OptionLQQuery                                 OptionCode = 44
+	OptionClientData                              OptionCode = 45
+	OptionCLTTime                                 OptionCode = 46
+	OptionLQRelayData                             OptionCode = 47
+	OptionLQClientLink                            OptionCode = 48
+	OptionMIPv6HomeNetworkIDFQDN                  OptionCode = 49
+	OptionMIPv6VisitedHomeNetworkInformation      OptionCode = 50
+	OptionLoSTServer                              OptionCode = 51
+	OptionCAPWAPAccessControllerAddresses         OptionCode = 52
+	OptionRelayID                                 OptionCode = 53
+	OptionIPv6AddressMOS                          OptionCode = 54
+	OptionIPv6FQDNMOS                             OptionCode = 55
+	OptionNTPServer                               OptionCode = 56
+	OptionV6AccessDomain                          OptionCode = 57
+	OptionSIPUACSList                             OptionCode = 58
+	OptionBootfileURL                             OptionCode = 59
+	OptionBootfileParam                           OptionCode = 60
+	OptionClientArchType                          OptionCode = 61
+	OptionNII                                     OptionCode = 62
+	OptionGeolocation                             OptionCode = 63
+	OptionAFTRName                                OptionCode = 64
+	OptionERPLocalDomainName                      OptionCode = 65
+	OptionRSOO                                    OptionCode = 66
+	OptionPDExclude                               OptionCode = 67
+	OptionVirtualSubnetSelection                  OptionCode = 68
+	OptionMIPv6IdentifiedHomeNetworkInformation   OptionCode = 69
+	OptionMIPv6UnrestrictedHomeNetworkInformation OptionCode = 70
+	OptionMIPv6HomeNetworkPrefix                  OptionCode = 71
+	OptionMIPv6HomeAgentAddress                   OptionCode = 72
+	OptionMIPv6HomeAgentFQDN                      OptionCode = 73
 )
 
+// OptionCodeToString maps DHCPv6 OptionCodes to human-readable strings.
 var OptionCodeToString = map[OptionCode]string{
-	OPTION_CLIENTID:                    "OPTION_CLIENTID",
-	OPTION_SERVERID:                    "OPTION_SERVERID",
-	OPTION_IA_NA:                       "OPTION_IA_NA",
-	OPTION_IA_TA:                       "OPTION_IA_TA",
-	OPTION_IAADDR:                      "OPTION_IAADDR",
-	OPTION_ORO:                         "OPTION_ORO",
-	OPTION_PREFERENCE:                  "OPTION_PREFERENCE",
-	OPTION_ELAPSED_TIME:                "OPTION_ELAPSED_TIME",
-	OPTION_RELAY_MSG:                   "OPTION_RELAY_MSG",
-	OPTION_AUTH:                        "OPTION_AUTH",
-	OPTION_UNICAST:                     "OPTION_UNICAST",
-	OPTION_STATUS_CODE:                 "OPTION_STATUS_CODE",
-	OPTION_RAPID_COMMIT:                "OPTION_RAPID_COMMIT",
-	OPTION_USER_CLASS:                  "OPTION_USER_CLASS",
-	OPTION_VENDOR_CLASS:                "OPTION_VENDOR_CLASS",
-	OPTION_VENDOR_OPTS:                 "OPTION_VENDOR_OPTS",
-	OPTION_INTERFACE_ID:                "OPTION_INTERFACE_ID",
-	OPTION_RECONF_MSG:                  "OPTION_RECONF_MSG",
-	OPTION_RECONF_ACCEPT:               "OPTION_RECONF_ACCEPT",
-	SIP_SERVERS_DOMAIN_NAME_LIST:       "SIP Servers Domain Name List",
-	SIP_SERVERS_IPV6_ADDRESS_LIST:      "SIP Servers IPv6 Address List",
-	DNS_RECURSIVE_NAME_SERVER:          "DNS Recursive Name Server",
-	DOMAIN_SEARCH_LIST:                 "Domain Search List",
-	OPTION_IA_PD:                       "OPTION_IA_PD",
-	OPTION_IAPREFIX:                    "OPTION_IAPREFIX",
-	OPTION_NIS_SERVERS:                 "OPTION_NIS_SERVERS",
-	OPTION_NISP_SERVERS:                "OPTION_NISP_SERVERS",
-	OPTION_NIS_DOMAIN_NAME:             "OPTION_NIS_DOMAIN_NAME",
-	OPTION_NISP_DOMAIN_NAME:            "OPTION_NISP_DOMAIN_NAME",
-	SNTP_SERVER_LIST:                   "SNTP Server List",
-	INFORMATION_REFRESH_TIME:           "Information Refresh Time",
-	BCMCS_CONTROLLER_DOMAIN_NAME_LIST:  "BCMCS Controller Domain Name List",
-	BCMCS_CONTROLLER_IPV6_ADDRESS_LIST: "BCMCS Controller IPv6 Address List",
-	OPTION_GEOCONF_CIVIC:               "OPTION_GEOCONF",
-	OPTION_REMOTE_ID:                   "OPTION_REMOTE_ID",
-	RELAY_AGENT_SUBSCRIBER_ID:          "Relay-Agent Subscriber ID",
-	FQDN: "FQDN",
-	PANA_AUTHENTICATION_AGENT:              "PANA Authentication Agent",
-	OPTION_NEW_POSIX_TIMEZONE:              "OPTION_NEW_POSIX_TIME_ZONE",
-	OPTION_NEW_TZDB_TIMEZONE:               "OPTION_NEW_TZDB_TIMEZONE",
-	ECHO_REQUEST:                           "Echo Request",
-	OPTION_LQ_QUERY:                        "OPTION_LQ_QUERY",
-	OPTION_CLIENT_DATA:                     "OPTION_CLIENT_DATA",
-	OPTION_CLT_TIME:                        "OPTION_CLT_TIME",
-	OPTION_LQ_RELAY_DATA:                   "OPTION_LQ_RELAY_DATA",
-	OPTION_LQ_CLIENT_LINK:                  "OPTION_LQ_CLIENT_LINK",
-	MIPV6_HOME_NETWORK_ID_FQDN:             "MIPv6 Home Network ID FQDN",
-	MIPV6_VISITED_HOME_NETWORK_INFORMATION: "MIPv6 Visited Home Network Information",
-	LOST_SERVER:                            "LoST Server",
-	CAPWAP_ACCESS_CONTROLLER_ADDRESSES:     "CAPWAP Access Controller Addresses",
-	RELAY_ID:                                    "RELAY_ID",
-	OPTION_IPV6_ADDRESS_MOS:                     "OPTION-IPv6_Address-MoS",
-	OPTION_IPV6_FQDN_MOS:                        "OPTION-IPv6-FQDN-MoS",
-	OPTION_NTP_SERVER:                           "OPTION_NTP_SERVER",
-	OPTION_V6_ACCESS_DOMAIN:                     "OPTION_V6_ACCESS_DOMAIN",
-	OPTION_SIP_UA_CS_LIST:                       "OPTION_SIP_UA_CS_LIST",
-	OPT_BOOTFILE_URL:                            "OPT_BOOTFILE_URL",
-	OPT_BOOTFILE_PARAM:                          "OPT_BOOTFILE_PARAM",
-	OPTION_CLIENT_ARCH_TYPE:                     "OPTION_CLIENT_ARCH_TYPE",
-	OPTION_NII:                                  "OPTION_NII",
-	OPTION_GEOLOCATION:                          "OPTION_GEOLOCATION",
-	OPTION_AFTR_NAME:                            "OPTION_AFTR_NAME",
-	OPTION_ERP_LOCAL_DOMAIN_NAME:                "OPTION_ERP_LOCAL_DOMAIN_NAME",
-	OPTION_RSOO:                                 "OPTION_RSOO",
-	OPTION_PD_EXCLUDE:                           "OPTION_PD_EXCLUDE",
-	VIRTUAL_SUBNET_SELECTION:                    "Virtual Subnet Selection",
-	MIPV6_IDENTIFIED_HOME_NETWORK_INFORMATION:   "MIPv6 Identified Home Network Information",
-	MIPV6_UNRESTRICTED_HOME_NETWORK_INFORMATION: "MIPv6 Unrestricted Home Network Information",
-	MIPV6_HOME_NETWORK_PREFIX:                   "MIPv6 Home Network Prefix",
-	MIPV6_HOME_AGENT_ADDRESS:                    "MIPv6 Home Agent Address",
-	MIPV6_HOME_AGENT_FQDN:                       "MIPv6 Home Agent FQDN",
+	OptionClientID:                                "OPTION_CLIENTID",
+	OptionServerID:                                "OPTION_SERVERID",
+	OptionIANA:                                    "OPTION_IA_NA",
+	OptionIATA:                                    "OPTION_IA_TA",
+	OptionIAAddr:                                  "OPTION_IAADDR",
+	OptionORO:                                     "OPTION_ORO",
+	OptionPreference:                              "OPTION_PREFERENCE",
+	OptionElapsedTime:                             "OPTION_ELAPSED_TIME",
+	OptionRelayMsg:                                "OPTION_RELAY_MSG",
+	OptionAuth:                                    "OPTION_AUTH",
+	OptionUnicast:                                 "OPTION_UNICAST",
+	OptionStatusCode:                              "OPTION_STATUS_CODE",
+	OptionRapidCommit:                             "OPTION_RAPID_COMMIT",
+	OptionUserClass:                               "OPTION_USER_CLASS",
+	OptionVendorClass:                             "OPTION_VENDOR_CLASS",
+	OptionVendorOpts:                              "OPTION_VENDOR_OPTS",
+	OptionInterfaceID:                             "OPTION_INTERFACE_ID",
+	OptionReconfMessage:                           "OPTION_RECONF_MSG",
+	OptionReconfAccept:                            "OPTION_RECONF_ACCEPT",
+	OptionSIPServersDomainNameList:                "SIP Servers Domain Name List",
+	OptionSIPServersIPv6AddressList:               "SIP Servers IPv6 Address List",
+	OptionDNSRecursiveNameServer:                  "DNS Recursive Name Server",
+	OptionDomainSearchList:                        "Domain Search List",
+	OptionIAPD:                                    "OPTION_IA_PD",
+	OptionIAPrefix:                                "OPTION_IAPREFIX",
+	OptionNISServers:                              "OPTION_NIS_SERVERS",
+	OptionNISPServers:                             "OPTION_NISP_SERVERS",
+	OptionNISDomainName:                           "OPTION_NIS_DOMAIN_NAME",
+	OptionNISPDomainName:                          "OPTION_NISP_DOMAIN_NAME",
+	OptionSNTPServerList:                          "SNTP Server List",
+	OptionInformationRefreshTime:                  "Information Refresh Time",
+	OptionBCMCSControllerDomainNameList:           "BCMCS Controller Domain Name List",
+	OptionBCMCSControllerIPv6AddressList:          "BCMCS Controller IPv6 Address List",
+	OptionGeoConfCivic:                            "OPTION_GEOCONF",
+	OptionRemoteID:                                "OPTION_REMOTE_ID",
+	OptionRelayAgentSubscriberID:                  "Relay-Agent Subscriber ID",
+	OptionFQDN:                                    "FQDN",
+	OptionPANAAuthenticationAgent:                 "PANA Authentication Agent",
+	OptionNewPOSIXTimezone:                        "OPTION_NEW_POSIX_TIME_ZONE",
+	OptionNewTZDBTimezone:                         "OPTION_NEW_TZDB_TIMEZONE",
+	OptionEchoRequest:                             "Echo Request",
+	OptionLQQuery:                                 "OPTION_LQ_QUERY",
+	OptionClientData:                              "OPTION_CLIENT_DATA",
+	OptionCLTTime:                                 "OPTION_CLT_TIME",
+	OptionLQRelayData:                             "OPTION_LQ_RELAY_DATA",
+	OptionLQClientLink:                            "OPTION_LQ_CLIENT_LINK",
+	OptionMIPv6HomeNetworkIDFQDN:                  "MIPv6 Home Network ID FQDN",
+	OptionMIPv6VisitedHomeNetworkInformation:      "MIPv6 Visited Home Network Information",
+	OptionLoSTServer:                              "LoST Server",
+	OptionCAPWAPAccessControllerAddresses:         "CAPWAP Access Controller Addresses",
+	OptionRelayID:                                 "RELAY_ID",
+	OptionIPv6AddressMOS:                          "OPTION-IPv6_Address-MoS",
+	OptionIPv6FQDNMOS:                             "OPTION-IPv6-FQDN-MoS",
+	OptionNTPServer:                               "OPTION_NTP_SERVER",
+	OptionV6AccessDomain:                          "OPTION_V6_ACCESS_DOMAIN",
+	OptionSIPUACSList:                             "OPTION_SIP_UA_CS_LIST",
+	OptionBootfileURL:                             "OPT_BOOTFILE_URL",
+	OptionBootfileParam:                           "OPT_BOOTFILE_PARAM",
+	OptionClientArchType:                          "OPTION_CLIENT_ARCH_TYPE",
+	OptionNII:                                     "OPTION_NII",
+	OptionGeolocation:                             "OPTION_GEOLOCATION",
+	OptionAFTRName:                                "OPTION_AFTR_NAME",
+	OptionERPLocalDomainName:                      "OPTION_ERP_LOCAL_DOMAIN_NAME",
+	OptionRSOO:                                    "OPTION_RSOO",
+	OptionPDExclude:                               "OPTION_PD_EXCLUDE",
+	OptionVirtualSubnetSelection:                  "Virtual Subnet Selection",
+	OptionMIPv6IdentifiedHomeNetworkInformation:   "MIPv6 Identified Home Network Information",
+	OptionMIPv6UnrestrictedHomeNetworkInformation: "MIPv6 Unrestricted Home Network Information",
+	OptionMIPv6HomeNetworkPrefix:                  "MIPv6 Home Network Prefix",
+	OptionMIPv6HomeAgentAddress:                   "MIPv6 Home Agent Address",
+	OptionMIPv6HomeAgentFQDN:                      "MIPv6 Home Agent FQDN",
 }
diff --git a/dhcpv6/option_userclass.go b/dhcpv6/option_userclass.go
index c5ac4ca..652c216 100644
--- a/dhcpv6/option_userclass.go
+++ b/dhcpv6/option_userclass.go
@@ -17,13 +17,13 @@ type OptUserClass struct {
 
 // Code returns the option code
 func (op *OptUserClass) Code() OptionCode {
-	return OPTION_USER_CLASS
+	return OptionUserClass
 }
 
 // ToBytes serializes the option and returns it as a sequence of bytes
 func (op *OptUserClass) ToBytes() []byte {
 	buf := make([]byte, 4)
-	binary.BigEndian.PutUint16(buf[0:2], uint16(OPTION_USER_CLASS))
+	binary.BigEndian.PutUint16(buf[0:2], uint16(OptionUserClass))
 	binary.BigEndian.PutUint16(buf[2:4], uint16(op.Length()))
 	u16 := make([]byte, 2)
 	for _, uc := range op.UserClasses {
diff --git a/dhcpv6/option_userclass_test.go b/dhcpv6/option_userclass_test.go
index 92c3848..3ba65cf 100644
--- a/dhcpv6/option_userclass_test.go
+++ b/dhcpv6/option_userclass_test.go
@@ -40,7 +40,7 @@ func TestOptUserClassToBytes(t *testing.T) {
 	}
 	data := opt.ToBytes()
 	expected := []byte{
-		0, 15, // OPTION_USER_CLASS
+		0, 15, // OptionUserClass
 		0, 11, // length
 		0, 9, 'l', 'i', 'n', 'u', 'x', 'b', 'o', 'o', 't',
 	}
@@ -56,7 +56,7 @@ func TestOptUserClassToBytesMultiple(t *testing.T) {
 	}
 	data := opt.ToBytes()
 	expected := []byte{
-		0, 15, // OPTION_USER_CLASS
+		0, 15, // OptionUserClass
 		0, 17, // length
 		0, 9, 'l', 'i', 'n', 'u', 'x', 'b', 'o', 'o', 't',
 		0, 4, 't', 'e', 's', 't',
diff --git a/dhcpv6/options.go b/dhcpv6/options.go
index d64d1d9..0a0bdc1 100644
--- a/dhcpv6/options.go
+++ b/dhcpv6/options.go
@@ -68,41 +68,41 @@ func ParseOption(dataStart []byte) (Option, error) {
 	)
 	optData := dataStart[4 : 4+length]
 	switch code {
-	case OPTION_CLIENTID:
+	case OptionClientID:
 		opt, err = ParseOptClientId(optData)
-	case OPTION_SERVERID:
+	case OptionServerID:
 		opt, err = ParseOptServerId(optData)
-	case OPTION_ELAPSED_TIME:
+	case OptionElapsedTime:
 		opt, err = ParseOptElapsedTime(optData)
-	case OPTION_ORO:
+	case OptionORO:
 		opt, err = ParseOptRequestedOption(optData)
-	case DNS_RECURSIVE_NAME_SERVER:
+	case OptionDNSRecursiveNameServer:
 		opt, err = ParseOptDNSRecursiveNameServer(optData)
-	case DOMAIN_SEARCH_LIST:
+	case OptionDomainSearchList:
 		opt, err = ParseOptDomainSearchList(optData)
-	case OPTION_IA_NA:
+	case OptionIANA:
 		opt, err = ParseOptIANA(optData)
-	case OPTION_IA_PD:
+	case OptionIAPD:
 		opt, err = ParseOptIAForPrefixDelegation(optData)
-	case OPTION_IAADDR:
+	case OptionIAAddr:
 		opt, err = ParseOptIAAddress(optData)
-	case OPTION_IAPREFIX:
+	case OptionIAPrefix:
 		opt, err = ParseOptIAPrefix(optData)
-	case OPTION_STATUS_CODE:
+	case OptionStatusCode:
 		opt, err = ParseOptStatusCode(optData)
-	case OPTION_RELAY_MSG:
+	case OptionRelayMsg:
 		opt, err = ParseOptRelayMsg(optData)
-	case OPTION_REMOTE_ID:
+	case OptionRemoteID:
 		opt, err = ParseOptRemoteId(optData)
-	case OPTION_INTERFACE_ID:
+	case OptionInterfaceID:
 		opt, err = ParseOptInterfaceId(optData)
-	case OPTION_CLIENT_ARCH_TYPE:
+	case OptionClientArchType:
 		opt, err = ParseOptClientArchType(optData)
-	case OPTION_NII:
+	case OptionNII:
 		opt, err = ParseOptNetworkInterfaceId(optData)
-	case OPT_BOOTFILE_URL:
+	case OptionBootfileURL:
 		opt, err = ParseOptBootFileURL(optData)
-	case OPTION_USER_CLASS:
+	case OptionUserClass:
 		opt, err = ParseOptUserClass(optData)
 	default:
 		opt = &OptionGeneric{OptionCode: code, OptionData: optData}
diff --git a/dhcpv6/utils.go b/dhcpv6/utils.go
index b1c0b93..1681661 100644
--- a/dhcpv6/utils.go
+++ b/dhcpv6/utils.go
@@ -11,14 +11,14 @@ import (
 // if the "boot file" option is included in the packet, which is useful for
 // ADVERTISE/REPLY packet.
 func IsNetboot(msg DHCPv6) bool {
-	for _, optoro := range msg.GetOption(OPTION_ORO) {
+	for _, optoro := range msg.GetOption(OptionORO) {
 		for _, o := range optoro.(*OptRequestedOption).RequestedOptions() {
-			if o == OPT_BOOTFILE_URL {
+			if o == OptionBootfileURL {
 				return true
 			}
 		}
 	}
-	if optbf := msg.GetOneOption(OPT_BOOTFILE_URL); optbf != nil {
+	if optbf := msg.GetOneOption(OptionBootfileURL); optbf != nil {
 		return true
 	}
 	return false
@@ -42,14 +42,14 @@ func IsUsingUEFI(msg DHCPv6) bool {
 	//               7    EFI BC
 	//               8    EFI Xscale
 	//               9    EFI x86-64
-	if opt := msg.GetOneOption(OPTION_CLIENT_ARCH_TYPE); opt != nil {
+	if opt := msg.GetOneOption(OptionClientArchType); opt != nil {
 		optat := opt.(*OptClientArchType)
 		// TODO investigate if other types are appropriate
 		if optat.ArchType == EFI_BC || optat.ArchType == EFI_X86_64 {
 			return true
 		}
 	}
-	if opt := msg.GetOneOption(OPTION_USER_CLASS); opt != nil {
+	if opt := msg.GetOneOption(OptionUserClass); opt != nil {
 		optuc := opt.(*OptUserClass)
 		for _, uc := range optuc.UserClasses {
 			if strings.Contains(string(uc), "EFI") {
diff --git a/dhcpv6/utils_test.go b/dhcpv6/utils_test.go
index 36b1683..f3b53f0 100644
--- a/dhcpv6/utils_test.go
+++ b/dhcpv6/utils_test.go
@@ -12,7 +12,7 @@ func TestIsNetboot(t *testing.T) {
 
 	msg2 := DHCPv6Message{}
 	optro := OptRequestedOption{}
-	optro.AddRequestedOption(OPT_BOOTFILE_URL)
+	optro.AddRequestedOption(OptionBootfileURL)
 	msg2.AddOption(&optro)
 	require.True(t, IsNetboot(&msg2))