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-rw-r--r--pkg/tcpip/stack/stack.go9
1 files changed, 9 insertions, 0 deletions
diff --git a/pkg/tcpip/stack/stack.go b/pkg/tcpip/stack/stack.go
index 7057b110e..b793f1d74 100644
--- a/pkg/tcpip/stack/stack.go
+++ b/pkg/tcpip/stack/stack.go
@@ -795,6 +795,8 @@ func (s *Stack) Forwarding() bool {
// SetRouteTable assigns the route table to be used by this stack. It
// specifies which NIC to use for given destination address ranges.
+//
+// This method takes ownership of the table.
func (s *Stack) SetRouteTable(table []tcpip.Route) {
s.mu.Lock()
defer s.mu.Unlock()
@@ -809,6 +811,13 @@ func (s *Stack) GetRouteTable() []tcpip.Route {
return append([]tcpip.Route(nil), s.routeTable...)
}
+// AddRoute appends a route to the route table.
+func (s *Stack) AddRoute(route tcpip.Route) {
+ s.mu.Lock()
+ defer s.mu.Unlock()
+ s.routeTable = append(s.routeTable, route)
+}
+
// 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]