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path: root/src/pkg/syscall/route_freebsd_32bit.go
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Diffstat (limited to 'src/pkg/syscall/route_freebsd_32bit.go')
-rw-r--r--src/pkg/syscall/route_freebsd_32bit.go24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/pkg/syscall/route_freebsd_32bit.go b/src/pkg/syscall/route_freebsd_32bit.go
new file mode 100644
index 000000000..93efdddb3
--- /dev/null
+++ b/src/pkg/syscall/route_freebsd_32bit.go
@@ -0,0 +1,24 @@
+// 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]}
+}