Fix packet buffer management for receive packets

dev/etherlink.cc:
    DPRINTF before the packet is sent to the other interface to
    make the output a little more understandable

--HG--
extra : convert_revision : 9c7dd5dd6dbbbc416db70a52228e918af2e76d96

dev/etherlink.cc

@@ -87,14 +87,14 @@ EtherLink::Link::Link(const std::string &name, double rate, EtherDump *d)
 void
 EtherLink::Link::txDone()
 {
-    rxint->sendPacket(packet);
-
     if (dump)
         dump->dump(packet);
 
     DPRINTF(Ethernet, "EtherLink packet received: len=%d\n", packet->length);
     DDUMP(EthernetData, packet->data, packet->length);
 
+    rxint->sendPacket(packet);
+
     packet = 0;
     assert(!busy());