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fix Bug 1069 - ApWifiMac unduly calls RegularWifiMac::Receive and crashes

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This commit is contained in:
Dean Armstrong
2011-04-10 19:08:46 +02:00
parent 02377e08ed
commit cb9b663219
1 changed files with 13 additions and 1 deletions
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14
src/wifi/model/regular-wifi-mac.cc
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@@ -423,7 +423,19 @@ RegularWifiMac::Receive (Ptr<Packet> packet, const WifiMacHeader *hdr)
Mac48Address to = hdr->GetAddr1 ();
Mac48Address from = hdr->GetAddr2 ();
if (hdr->IsMgt () && hdr->IsAction () && to == GetAddress ())
// We don't know how to deal with any frame that is not addressed to
// us (and odds are there is nothing sensible we could do anyway),
// so we ignore such frames.
//
// The derived class may also do some such filtering, but it doesn't
// hurt to have it here too as a backstop.
if (to != GetAddress ())
{
NotifyRxDrop (packet);
return;
}
if (hdr->IsMgt () && hdr->IsAction ())
{
// There is currently only any reason for Management Action
// frames to be flying about if we are a QoS STA.