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authorKevin Krakauer <krakauer@google.com>2019-06-12 15:21:22 -0700
committerKevin Krakauer <krakauer@google.com>2019-06-12 15:21:22 -0700
commit0bbbcafd68154e7c7b46692b84a39fb6bb5f1568 (patch)
treed8fba01ad76900715665b0418a786de2d77e2a05 /pkg/tcpip/stack
parent06a83df533244dc2b3b8adfc1bf0608d3753c1d9 (diff)
parent70578806e8d3e01fae2249b3e602cd5b05d378a0 (diff)
Merge branch 'master' into iptables-1-pkg
Change-Id: I7457a11de4725e1bf3811420c505d225b1cb6943
Diffstat (limited to 'pkg/tcpip/stack')
-rw-r--r--pkg/tcpip/stack/route.go10
-rw-r--r--pkg/tcpip/stack/transport_test.go4
2 files changed, 14 insertions, 0 deletions
diff --git a/pkg/tcpip/stack/route.go b/pkg/tcpip/stack/route.go
index 3d4c282a9..55ed02479 100644
--- a/pkg/tcpip/stack/route.go
+++ b/pkg/tcpip/stack/route.go
@@ -187,3 +187,13 @@ func (r *Route) Clone() Route {
r.ref.incRef()
return *r
}
+
+// MakeLoopedRoute duplicates the given route and tweaks it in case of multicast.
+func (r *Route) MakeLoopedRoute() Route {
+ l := r.Clone()
+ if header.IsV4MulticastAddress(r.RemoteAddress) || header.IsV6MulticastAddress(r.RemoteAddress) {
+ l.RemoteAddress, l.LocalAddress = l.LocalAddress, l.RemoteAddress
+ l.RemoteLinkAddress = l.LocalLinkAddress
+ }
+ return l
+}
diff --git a/pkg/tcpip/stack/transport_test.go b/pkg/tcpip/stack/transport_test.go
index 8d74f1543..e8a9392b5 100644
--- a/pkg/tcpip/stack/transport_test.go
+++ b/pkg/tcpip/stack/transport_test.go
@@ -188,6 +188,10 @@ func (f *fakeTransportEndpoint) HandleControlPacket(stack.TransportEndpointID, s
f.proto.controlCount++
}
+func (f *fakeTransportEndpoint) State() uint32 {
+ return 0
+}
+
type fakeTransportGoodOption bool
type fakeTransportBadOption bool