From 165d72e17e036d22387a926f29351feba596cd42 Mon Sep 17 00:00:00 2001
From: Charline Taibi Guguen <charline.guguen@gmail.com>
Date: Mon, 12 Apr 2010 13:24:25 +0200
Subject: [PATCH] bug 813 - Nqos AP sends packet to non associated STA

---
 src/devices/wifi/nqap-wifi-mac.cc | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/devices/wifi/nqap-wifi-mac.cc b/src/devices/wifi/nqap-wifi-mac.cc
index 8563cddc6..1f66944be 100644
--- a/src/devices/wifi/nqap-wifi-mac.cc
+++ b/src/devices/wifi/nqap-wifi-mac.cc
@@ -312,13 +312,19 @@ void
 NqapWifiMac::Enqueue (Ptr<const Packet> packet, Mac48Address to, Mac48Address from)
 {
   NS_LOG_FUNCTION (this << packet << to << from);
-  ForwardDown (packet, from, to);
+  if (to.IsBroadcast () || m_stationManager->IsAssociated (to))
+    {
+      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);
+  if (to.IsBroadcast () || m_stationManager->IsAssociated (to))
+    {
+      ForwardDown (packet, m_low->GetAddress (), to);
+    }
 }
 bool 
 NqapWifiMac::SupportsSendFrom (void) const