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-rw-r--r--dev/ethertap.hh3
1 files changed, 3 insertions, 0 deletions
diff --git a/dev/ethertap.hh b/dev/ethertap.hh
index dbbada40e..069ba734f 100644
--- a/dev/ethertap.hh
+++ b/dev/ethertap.hh
@@ -42,6 +42,9 @@
#include "base/pollevent.hh"
#include "sim/sim_object.hh"
+class TapEvent;
+class TapListener;
+
/*
* Interface to connect a simulated ethernet device to the real world
*/