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authorgVisor bot <gvisor-bot@google.com>2020-11-19 04:25:26 +0000
committergVisor bot <gvisor-bot@google.com>2020-11-19 04:25:26 +0000
commit3f09108ecd49e1c40544d593b145ee6a6815717c (patch)
tree6a625a37ab2e978d9f64bc456e8ae42c27415e3c
parent7191d68b80ff5c560406c286eae8c278fe6544b8 (diff)
parent93750a600bb01fdc90703b8fa9ea2e163c615c6c (diff)
Merge release-20201109.0-83-g93750a600 (automated)
-rw-r--r--pkg/tcpip/stack/route.go41
1 files changed, 0 insertions, 41 deletions
diff --git a/pkg/tcpip/stack/route.go b/pkg/tcpip/stack/route.go
index 13b42d34b..f0b256507 100644
--- a/pkg/tcpip/stack/route.go
+++ b/pkg/tcpip/stack/route.go
@@ -397,23 +397,6 @@ func (r *Route) Clone() Route {
return *r
}
-// MakeLoopedRoute duplicates the given route with special handling for routes
-// used for sending multicast or broadcast packets. In those cases the
-// multicast/broadcast address is the remote address when sending out, but for
-// incoming (looped) packets it becomes the local address. Similarly, the local
-// interface address that was the local address going out becomes the remote
-// address coming in. This is different to unicast routes where local and
-// remote addresses remain the same as they identify location (local vs remote)
-// not direction (source vs destination).
-func (r *Route) MakeLoopedRoute() Route {
- l := r.Clone()
- if r.RemoteAddress == header.IPv4Broadcast || header.IsV4MulticastAddress(r.RemoteAddress) || header.IsV6MulticastAddress(r.RemoteAddress) {
- l.RemoteAddress, l.LocalAddress = l.LocalAddress, l.RemoteAddress
- l.RemoteLinkAddress = l.LocalLinkAddress
- }
- return l
-}
-
// Stack returns the instance of the Stack that owns this route.
func (r *Route) Stack() *Stack {
return r.outgoingNIC.stack
@@ -434,27 +417,3 @@ func (r *Route) IsOutboundBroadcast() bool {
// Only IPv4 has a notion of broadcast.
return r.isV4Broadcast(r.RemoteAddress)
}
-
-// isInboundBroadcast returns true if the route is for an inbound broadcast
-// packet.
-func (r *Route) isInboundBroadcast() bool {
- // Only IPv4 has a notion of broadcast.
- return r.isV4Broadcast(r.LocalAddress)
-}
-
-// ReverseRoute returns new route with given source and destination address.
-func (r *Route) ReverseRoute(src tcpip.Address, dst tcpip.Address) Route {
- return Route{
- NetProto: r.NetProto,
- LocalAddress: dst,
- LocalLinkAddress: r.RemoteLinkAddress,
- RemoteAddress: src,
- RemoteLinkAddress: r.LocalLinkAddress,
- Loop: r.Loop,
- localAddressNIC: r.localAddressNIC,
- localAddressEndpoint: r.localAddressEndpoint,
- outgoingNIC: r.outgoingNIC,
- linkCache: r.linkCache,
- linkRes: r.linkRes,
- }
-}