Merge release-20201019.0-68-g59e2c9f16 (automated)

2 files changed, 22 insertions, 3 deletions

diff --git a/pkg/tcpip/stack/stack.go b/pkg/tcpip/stack/stack.go
index d3f75cb36..e8f1c110e 100644
--- a/pkg/tcpip/stack/stack.go
+++ b/pkg/tcpip/stack/stack.go
@@ -830,6 +830,20 @@ func (s *Stack) AddRoute(route tcpip.Route) {
 	s.routeTable = append(s.routeTable, route)
 }
 
+// RemoveRoutes removes matching routes from the route table.
+func (s *Stack) RemoveRoutes(match func(tcpip.Route) bool) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	var filteredRoutes []tcpip.Route
+	for _, route := range s.routeTable {
+		if !match(route) {
+			filteredRoutes = append(filteredRoutes, route)
+		}
+	}
+	s.routeTable = filteredRoutes
+}
+
 // NewEndpoint creates a new transport layer endpoint of the given protocol.
 func (s *Stack) NewEndpoint(transport tcpip.TransportProtocolNumber, network tcpip.NetworkProtocolNumber, waiterQueue *waiter.Queue) (tcpip.Endpoint, *tcpip.Error) {
 	t, ok := s.transportProtocols[transport]
diff --git a/pkg/tcpip/tcpip.go b/pkg/tcpip/tcpip.go
index a7d54d3b9..ac4d39d3e 100644
--- a/pkg/tcpip/tcpip.go
+++ b/pkg/tcpip/tcpip.go
@@ -356,10 +356,9 @@ func (s *Subnet) IsBroadcast(address Address) bool {
 	return s.Prefix() <= 30 && s.Broadcast() == address
 }
 
-// Equal returns true if s equals o.
-//
-// Needed to use cmp.Equal on Subnet as its fields are unexported.
+// Equal returns true if this Subnet is equal to the given Subnet.
 func (s Subnet) Equal(o Subnet) bool {
+	// If this changes, update Route.Equal accordingly.
 	return s == o
 }
 
@@ -1260,6 +1259,12 @@ func (r Route) String() string {
 	return out.String()
 }
 
+// Equal returns true if the given Route is equal to this Route.
+func (r Route) Equal(to Route) bool {
+	// NOTE: This relies on the fact that r.Destination == to.Destination
+	return r == to
+}
+
 // TransportProtocolNumber is the number of a transport protocol.
 type TransportProtocolNumber uint32