From 8ee18d95c8f3c1692fd2cba008385d1100e86991 Mon Sep 17 00:00:00 2001
From: Nicola Baldo <nbaldo@cttc.es>
Date: Mon, 12 Apr 2010 14:12:25 +0200
Subject: [PATCH] bug 813 also affects Qap

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

diff --git a/src/devices/wifi/qap-wifi-mac.cc b/src/devices/wifi/qap-wifi-mac.cc
index 4e64dd625..dff043919 100644
--- a/src/devices/wifi/qap-wifi-mac.cc
+++ b/src/devices/wifi/qap-wifi-mac.cc
@@ -439,14 +439,20 @@ void
 QapWifiMac::Enqueue (Ptr<const Packet> packet, Mac48Address to, Mac48Address from)
 {
   NS_LOG_FUNCTION (this << packet << from << to);
-  ForwardDown (packet, from, to);
+  if (to.IsBroadcast () || m_stationManager->IsAssociated (to))
+    {
+      ForwardDown (packet, from, to);
+    }
 }
 
 void 
 QapWifiMac::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