VOL-381 add unum container to support ONOS cluster formation under swarm
Change-Id: Ic260edda19bb199ed040f05164ab605f28c919d0
diff --git a/unum/vendor/golang.org/x/net/ipv4/control_pktinfo.go b/unum/vendor/golang.org/x/net/ipv4/control_pktinfo.go
new file mode 100644
index 0000000..425338f
--- /dev/null
+++ b/unum/vendor/golang.org/x/net/ipv4/control_pktinfo.go
@@ -0,0 +1,39 @@
+// 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 darwin linux solaris
+
+package ipv4
+
+import (
+ "net"
+ "unsafe"
+
+ "golang.org/x/net/internal/iana"
+ "golang.org/x/net/internal/socket"
+)
+
+func marshalPacketInfo(b []byte, cm *ControlMessage) []byte {
+ m := socket.ControlMessage(b)
+ m.MarshalHeader(iana.ProtocolIP, sysIP_PKTINFO, sizeofInetPktinfo)
+ if cm != nil {
+ pi := (*inetPktinfo)(unsafe.Pointer(&m.Data(sizeofInetPktinfo)[0]))
+ if ip := cm.Src.To4(); ip != nil {
+ copy(pi.Spec_dst[:], ip)
+ }
+ if cm.IfIndex > 0 {
+ pi.setIfindex(cm.IfIndex)
+ }
+ }
+ return m.Next(sizeofInetPktinfo)
+}
+
+func parsePacketInfo(cm *ControlMessage, b []byte) {
+ pi := (*inetPktinfo)(unsafe.Pointer(&b[0]))
+ cm.IfIndex = int(pi.Ifindex)
+ if len(cm.Dst) < net.IPv4len {
+ cm.Dst = make(net.IP, net.IPv4len)
+ }
+ copy(cm.Dst, pi.Addr[:])
+}