From 9ff2549315e37127490d6b5360ccc87cc63cff0c Mon Sep 17 00:00:00 2001
From: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
Date: Mon, 7 Jan 2008 18:20:18 +0100
Subject: [PATCH] copy the packet before sending it down or up

---
 src/devices/wifi/mac-high-nqap.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/devices/wifi/mac-high-nqap.cc b/src/devices/wifi/mac-high-nqap.cc
index 41fc33d55..13c808af9 100644
--- a/src/devices/wifi/mac-high-nqap.cc
+++ b/src/devices/wifi/mac-high-nqap.cc
@@ -231,14 +231,17 @@ MacHighNqap::Receive (Ptr<Packet> packet, WifiMacHeader const *hdr)
         {
           if (hdr->GetAddr3 () == m_device->GetSelfAddress ()) 
             {
+              TRACE ("frame for me from="<<hdr->GetAddr2 ());
               m_forwardUp (packet, hdr->GetAddr2 ());
             } 
           else 
             {
+              TRACE ("forwarding frame from="<<hdr->GetAddr2 ()<<", to="<<hdr->GetAddr3 ());
+              Ptr<Packet> copy = packet->Copy ();
               ForwardDown (packet,
                            hdr->GetAddr2 (), 
                            hdr->GetAddr3 ());
-              m_forwardUp (packet, hdr->GetAddr2 ());
+              m_forwardUp (copy, hdr->GetAddr2 ());
             }
         } 
       else if (hdr->IsFromDs () &&