Remove linkEP from DeliverNetworkPacket

The specified LinkEndpoint is not being used in a significant way.
No behavior change, existing tests pass.

This change is a breaking change.

PiperOrigin-RevId: 313496602

2 files changed, 6 insertions, 6 deletions

diff --git a/pkg/tcpip/link/waitable/waitable.go b/pkg/tcpip/link/waitable/waitable.go
index 2b3741276..f5a05929f 100644
--- a/pkg/tcpip/link/waitable/waitable.go
+++ b/pkg/tcpip/link/waitable/waitable.go
@@ -50,12 +50,12 @@ func New(lower stack.LinkEndpoint) *Endpoint {
 // It is called by the link-layer endpoint being wrapped when a packet arrives,
 // and only forwards to the actual dispatcher if Wait or WaitDispatch haven't
 // been called.
-func (e *Endpoint) DeliverNetworkPacket(linkEP stack.LinkEndpoint, remote, local tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, pkt stack.PacketBuffer) {
+func (e *Endpoint) DeliverNetworkPacket(remote, local tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, pkt stack.PacketBuffer) {
 	if !e.dispatchGate.Enter() {
 		return
 	}
 
-	e.dispatcher.DeliverNetworkPacket(e, remote, local, protocol, pkt)
+	e.dispatcher.DeliverNetworkPacket(remote, local, protocol, pkt)
 	e.dispatchGate.Leave()
 }
 
diff --git a/pkg/tcpip/link/waitable/waitable_test.go b/pkg/tcpip/link/waitable/waitable_test.go
index 54eb5322b..0a9b99f18 100644
--- a/pkg/tcpip/link/waitable/waitable_test.go
+++ b/pkg/tcpip/link/waitable/waitable_test.go
@@ -35,7 +35,7 @@ type countedEndpoint struct {
 	dispatcher stack.NetworkDispatcher
 }
 
-func (e *countedEndpoint) DeliverNetworkPacket(linkEP stack.LinkEndpoint, remote, local tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, pkt stack.PacketBuffer) {
+func (e *countedEndpoint) DeliverNetworkPacket(remote, local tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, pkt stack.PacketBuffer) {
 	e.dispatchCount++
 }
 
@@ -120,21 +120,21 @@ func TestWaitDispatch(t *testing.T) {
 	}
 
 	// Dispatch and check that it goes through.
-	ep.dispatcher.DeliverNetworkPacket(ep, "", "", 0, stack.PacketBuffer{})
+	ep.dispatcher.DeliverNetworkPacket("", "", 0, stack.PacketBuffer{})
 	if want := 1; ep.dispatchCount != want {
 		t.Fatalf("Unexpected dispatchCount: got=%v, want=%v", ep.dispatchCount, want)
 	}
 
 	// Wait on writes, then try to dispatch. It must go through.
 	wep.WaitWrite()
-	ep.dispatcher.DeliverNetworkPacket(ep, "", "", 0, stack.PacketBuffer{})
+	ep.dispatcher.DeliverNetworkPacket("", "", 0, stack.PacketBuffer{})
 	if want := 2; ep.dispatchCount != want {
 		t.Fatalf("Unexpected dispatchCount: got=%v, want=%v", ep.dispatchCount, want)
 	}
 
 	// Wait on dispatches, then try to dispatch. It must not go through.
 	wep.WaitDispatch()
-	ep.dispatcher.DeliverNetworkPacket(ep, "", "", 0, stack.PacketBuffer{})
+	ep.dispatcher.DeliverNetworkPacket("", "", 0, stack.PacketBuffer{})
 	if want := 2; ep.dispatchCount != want {
 		t.Fatalf("Unexpected dispatchCount: got=%v, want=%v", ep.dispatchCount, want)
 	}