dsr: (fixes #884) Remove broken TxErrorCallback

src/dsr/model/dsr-rcache.cc

@@ -164,7 +164,6 @@ DsrRouteCache::DsrRouteCache()
      */
     m_ntimer.SetDelay(m_delay);
     m_ntimer.SetFunction(&DsrRouteCache::PurgeMac, this);
-    m_txErrorCallback = MakeCallback(&DsrRouteCache::ProcessTxError, this);
 }
 
 DsrRouteCache::~DsrRouteCache()

src/dsr/model/dsr-rcache.h

@@ -766,16 +766,6 @@ class DsrRouteCache : public Object
      */
     void DelArpCache(Ptr<ArpCache>);
 
-    /**
-     * \brief Get callback to ProcessTxError, this callback is trying to use the wifi mac tx error
-     * header to notify a link layer drop event, however, it is not fully supported yet
-     * \return The callback to ProcessTxError
-     */
-    Callback<void, const WifiMacHeader&> GetTxErrorCallback() const
-    {
-        return m_txErrorCallback;
-    }
-
     /**
      * Handle link failure callback
      * \param cb the callback to be set
@@ -912,8 +902,6 @@ class DsrRouteCache : public Object
      */
     Callback<void, Ipv4Address, uint8_t> m_handleLinkFailure; ///< link failure callback
 
-    Callback<void, const WifiMacHeader&> m_txErrorCallback; ///< TX error callback
-
     Timer m_ntimer; ///< Timer for neighbor's list. Schedule Purge().
 
     std::vector<Neighbor> m_nb; ///< vector of entries

src/dsr/model/dsr-routing.cc

@@ -579,8 +579,6 @@ DsrRouting::DoDispose()
                 Ptr<AdhocWifiMac> adhoc = mac->GetObject<AdhocWifiMac>();
                 if (adhoc)
                 {
-                    adhoc->TraceDisconnectWithoutContext("TxErrHeader",
-                                                         m_routeCache->GetTxErrorCallback());
                     m_routeCache->DelArpCache(m_ipv4->GetInterface(i)->GetArpCache());
                 }
             }