make NetCards extendable, and use this for NS3 extension

[simgrid.git] / src / surf / network_interface.hpp

diff --git a/src/surf/network_interface.hpp b/src/surf/network_interface.hpp
index afeadcb6c31f4a9ca1c7238477ad9364afba4ab4..c5522a8dccf4a8bde72f117823a7fae9dd4212e8 100644 (file)
--- a/src/surf/network_interface.hpp
+++ b/src/surf/network_interface.hpp
@@ -119,6 +119,8 @@ namespace simgrid {
        */
       virtual double bandwidthConstraint(double rate, double bound, double size);
       double nextOccuringEventFull(double now) override;
+
+      Link* loopback_ = nullptr;
     };
 
     /************