# HG changeset patch
# User taibic
# Date 1265893796 -3600
# Node ID cbed79442171f78d89b4869ba4053a4e571433db
# Parent  e92fb15deea0c5cbcefc16127e2528dadc3232e4
prevent AP to send packet to non-associated STA

diff -r e92fb15deea0 -r cbed79442171 src/devices/wifi/nqap-wifi-mac.cc
--- a/src/devices/wifi/nqap-wifi-mac.cc	Mon Feb 01 10:13:14 2010 +0100
+++ b/src/devices/wifi/nqap-wifi-mac.cc	Thu Feb 11 14:09:56 2010 +0100
@@ -311,13 +311,21 @@
 NqapWifiMac::Enqueue (Ptr<const Packet> packet, Mac48Address to, Mac48Address from)
 {
   NS_LOG_FUNCTION (this << packet << to << from);
-  ForwardDown (packet, from, to);
+  WifiRemoteStation *toStation = m_stationManager->Lookup(to);
+  if(toStation->IsAssociated())
+    {
+      ForwardDown (packet, from, to);
+    }
 }
 void 
 NqapWifiMac::Enqueue (Ptr<const Packet> packet, Mac48Address to)
 {
   NS_LOG_FUNCTION (this << packet << to);
-  ForwardDown (packet, m_low->GetAddress (), to);
+  WifiRemoteStation *toStation = m_stationManager->Lookup(to);
+  if(toStation->IsAssociated())
+    {
+      ForwardDown (packet, m_low->GetAddress (), to);
+    }
 }
 bool 
 NqapWifiMac::SupportsSendFrom (void) const