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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /src/syscall/route_freebsd_32bit.go | |
parent | Initial commit. (diff) | |
download | golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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]} +} |