Add support for tearing down protocol dispatchers and TIME_WAIT endpoints.

Protocol dispatchers were previously leaked. Bypassing TIME_WAIT is required to
test this change.

Also fix a race when a socket in SYN-RCVD is closed. This is also required to
test this change.

PiperOrigin-RevId: 296922548

1 files changed, 6 insertions, 0 deletions

diff --git a/pkg/tcpip/stack/stack_test.go b/pkg/tcpip/stack/stack_test.go
index 18016e7db..edf6bec52 100644
--- a/pkg/tcpip/stack/stack_test.go
+++ b/pkg/tcpip/stack/stack_test.go
@@ -235,6 +235,12 @@ func (f *fakeNetworkProtocol) Option(option interface{}) *tcpip.Error {
 	}
 }
 
+// Close implements TransportProtocol.Close.
+func (*fakeNetworkProtocol) Close() {}
+
+// Wait implements TransportProtocol.Wait.
+func (*fakeNetworkProtocol) Wait() {}
+
 func fakeNetFactory() stack.NetworkProtocol {
 	return &fakeNetworkProtocol{}
 }