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Diffstat (limited to 'pkg/tcpip/link/waitable/waitable.go')
-rw-r--r--pkg/tcpip/link/waitable/waitable.go5
1 files changed, 5 insertions, 0 deletions
diff --git a/pkg/tcpip/link/waitable/waitable.go b/pkg/tcpip/link/waitable/waitable.go
index 2c6e73f22..91aed7a12 100644
--- a/pkg/tcpip/link/waitable/waitable.go
+++ b/pkg/tcpip/link/waitable/waitable.go
@@ -58,6 +58,11 @@ func (e *Endpoint) Attach(dispatcher stack.NetworkDispatcher) {
e.lower.Attach(e)
}
+// IsAttached implements stack.LinkEndpoint.IsAttached.
+func (e *Endpoint) IsAttached() bool {
+ return e.dispatcher != nil
+}
+
// MTU implements stack.LinkEndpoint.MTU. It just forwards the request to the
// lower endpoint.
func (e *Endpoint) MTU() uint32 {