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-rw-r--r--pkg/sentry/socket/netstack/stack.go21
1 files changed, 21 insertions, 0 deletions
diff --git a/pkg/sentry/socket/netstack/stack.go b/pkg/sentry/socket/netstack/stack.go
index 36144e1eb..1028d2a6e 100644
--- a/pkg/sentry/socket/netstack/stack.go
+++ b/pkg/sentry/socket/netstack/stack.go
@@ -412,3 +412,24 @@ func (s *Stack) CleanupEndpoints() []stack.TransportEndpoint {
func (s *Stack) RestoreCleanupEndpoints(es []stack.TransportEndpoint) {
s.Stack.RestoreCleanupEndpoints(es)
}
+
+// Forwarding implements inet.Stack.Forwarding.
+func (s *Stack) Forwarding(protocol tcpip.NetworkProtocolNumber) bool {
+ switch protocol {
+ case ipv4.ProtocolNumber, ipv6.ProtocolNumber:
+ return s.Stack.Forwarding(protocol)
+ default:
+ panic(fmt.Sprintf("Forwarding(%v) failed: unsupported protocol", protocol))
+ }
+}
+
+// SetForwarding implements inet.Stack.SetForwarding.
+func (s *Stack) SetForwarding(protocol tcpip.NetworkProtocolNumber, enable bool) error {
+ switch protocol {
+ case ipv4.ProtocolNumber, ipv6.ProtocolNumber:
+ s.Stack.SetForwarding(protocol, enable)
+ default:
+ panic(fmt.Sprintf("SetForwarding(%v) failed: unsupported protocol", protocol))
+ }
+ return nil
+}