// license that can be found in the LICENSE file.

//go:build solaris

package lif

import "unsafe"

var nativeEndian binaryByteOrder

func init() {
	i := uint32(1)
	b := (*[4]byte)(unsafe.Pointer(&i))
	if b[0] == 1 {
		nativeEndian = littleEndian
	} else {
		nativeEndian = bigEndian
	}

	if len(b) < w.bodyOff {
		return nil, errMessageTooShort
	}
	l := int(nativeEndian.Uint16(b[:2]))
	if len(b) < l {
		return nil, errInvalidMessage
	}
	m := &InterfaceAnnounceMessage{
		Version: int(b[2]),
		Type:    int(b[3]),
		Index:   int(nativeEndian.Uint16(b[4:6])),
		What:    int(nativeEndian.Uint16(b[22:24])),
		raw:     b[:l],
	}
	for i := 0; i < 16; i++ {
		if b[6+i] != 0 {
			continue

func (rmx *RouteMetrics) SysType() SysType { return SysMetrics }

// Sys implements the Sys method of Message interface.
func (m *RouteMessage) Sys() []Sys {
	return []Sys{
		&RouteMetrics{
			PathMTU: int(nativeEndian.Uint64(m.raw[m.extOff+8 : m.extOff+16])),
		},
	}
}

// InterfaceMetrics represents interface metrics.
type InterfaceMetrics struct {
	Type int // interface type
	MTU  int // maximum transmission unit
}

func (rmx *RouteMetrics) SysType() SysType { return SysMetrics }

// Sys implements the Sys method of Message interface.
func (m *RouteMessage) Sys() []Sys {
	return []Sys{
		&RouteMetrics{
			PathMTU: int(nativeEndian.Uint32(m.raw[60:64])),
		},
	}
}

// InterfaceMetrics represents interface metrics.
type InterfaceMetrics struct {
	Type int // interface type
	MTU  int // maximum transmission unit
}

func (rmx *RouteMetrics) SysType() SysType { return SysMetrics }

// Sys implements the Sys method of Message interface.
func (m *RouteMessage) Sys() []Sys {
	return []Sys{
		&RouteMetrics{
			PathMTU: int(nativeEndian.Uint64(m.raw[m.extOff+8 : m.extOff+16])),
		},
	}
}

// RouteMetrics represents route metrics.
type InterfaceMetrics struct {
	Type int // interface type
	MTU  int // maximum transmission unit
}

func (m *RouteMessage) Sys() []Sys {
	if kernelAlign == 8 {
		return []Sys{
			&RouteMetrics{
				PathMTU: int(nativeEndian.Uint64(m.raw[m.extOff+8 : m.extOff+16])),
			},
		}
	}
	return []Sys{
		&RouteMetrics{
			PathMTU: int(nativeEndian.Uint32(m.raw[m.extOff+4 : m.extOff+8])),
		},
	}
}

// InterfaceMetrics represents interface metrics.
type InterfaceMetrics struct {

func (rmx *RouteMetrics) SysType() SysType { return SysMetrics }

// Sys implements the Sys method of Message interface.
func (m *RouteMessage) Sys() []Sys {
	return []Sys{
		&RouteMetrics{
			PathMTU: int(nativeEndian.Uint32(m.raw[m.extOff+4 : m.extOff+8])),
		},
	}
}

// InterfaceMetrics represents interface metrics.
type InterfaceMetrics struct {
	Type int // interface type
	MTU  int // maximum transmission unit
}

			sa := (*sockaddrStorage)(unsafe.Pointer(&lifr.Lifru[0]))
			l := int(nativeEndian.Uint32(lifr.Lifru1[:4]))
			if l == 0 {
				continue
			}
			switch sa.Family {
			case syscall.AF_INET:
				a := &Inet4Addr{PrefixLen: l}
				copy(a.IP[:], lifr.Lifru[4:8])
				as = append(as, a)
			case syscall.AF_INET6:
				a := &Inet6Addr{PrefixLen: l, ZoneID: int(nativeEndian.Uint32(lifr.Lifru[24:28]))}
				copy(a.IP[:], lifr.Lifru[8:24])

func ParseRIB(typ RIBType, b []byte) ([]Message, error) {
	if !typ.parseable() {
		return nil, errUnsupportedMessage
	}
	var msgs []Message
	nmsgs, nskips := 0, 0
	for len(b) > 4 {
		nmsgs++
		l := int(nativeEndian.Uint16(b[:2]))
		if l == 0 {
			return nil, errInvalidMessage
		}
		if len(b) < l {
			return nil, errMessageTooShort
		}
		if b[2] != rtmVersion {
			b = b[l:]
			continue
		}

		return 0, errShortBuffer
	}
	nlen, alen := len(a.Name), len(a.Addr)
	if nlen > 255 || alen > 255 {
		return 0, errInvalidAddr
	}
	b[0] = byte(l)
	b[1] = syscall.AF_LINK
	if a.Index > 0 {
		nativeEndian.PutUint16(b[2:4], uint16(a.Index))
	}
	data := b[8:]
	if nlen > 0 {
		b[5] = byte(nlen)
		copy(data[:nlen], a.Name)
		data = data[nlen:]
	}
	if alen > 0 {
		b[6] = byte(alen)
		copy(data[:alen], a.Addr)