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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
commit43a123c1ae6613b3efeed291fa552ecd909d3acf (patch)
treefd92518b7024bc74031f78a1cf9e454b65e73665 /src/syscall/route_freebsd_32bit.go
parentInitial commit. (diff)
downloadgolang-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.go30
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]}
+}