diff options
Diffstat (limited to 'src/syscall/route_freebsd_32bit.go')
-rw-r--r-- | src/syscall/route_freebsd_32bit.go | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/syscall/route_freebsd_32bit.go b/src/syscall/route_freebsd_32bit.go new file mode 100644 index 0000000..14373ab --- /dev/null +++ b/src/syscall/route_freebsd_32bit.go @@ -0,0 +1,30 @@ +// 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. + +//go:build (freebsd && 386) || (freebsd && arm) + +package syscall + +import "unsafe" + +func (any *anyMessage) parseRouteMessage(b []byte) *RouteMessage { + p := (*RouteMessage)(unsafe.Pointer(any)) + off := int(unsafe.Offsetof(p.Header.Rmx)) + SizeofRtMetrics + if freebsdConfArch == "amd64" { + off += SizeofRtMetrics // rt_metrics on amd64 is simply doubled + } + return &RouteMessage{Header: p.Header, Data: b[rsaAlignOf(off):any.Msglen]} +} + +func (any *anyMessage) parseInterfaceMessage(b []byte) *InterfaceMessage { + p := (*InterfaceMessage)(unsafe.Pointer(any)) + // FreeBSD 10 and beyond have a restructured mbuf + // packet header view. + // See https://svnweb.freebsd.org/base?view=revision&revision=254804. + 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[int(unsafe.Offsetof(p.Header.Data))+int(p.Header.Data.Datalen) : any.Msglen]} +} |