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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build freebsd,386 freebsd,arm
package syscall
import "unsafe"
func (any *anyMessage) parseInterfaceMessage(b []byte) *InterfaceMessage {
p := (*InterfaceMessage)(unsafe.Pointer(any))
// FreeBSD 10 and beyond have a restructured mbuf
// packet header view.
// See http://svnweb.freebsd.org/base?view=revision&revision=254804.
if freebsdVersion >= 1000000 {
m := (*ifMsghdr)(unsafe.Pointer(any))
p.Header.Data.Hwassist = uint32(m.Data.Hwassist)
p.Header.Data.Epoch = m.Data.Epoch
p.Header.Data.Lastchange = m.Data.Lastchange
return &InterfaceMessage{Header: p.Header, Data: b[sizeofIfMsghdr:any.Msglen]}
}
return &InterfaceMessage{Header: p.Header, Data: b[SizeofIfMsghdr:any.Msglen]}
}
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