ns-3-patch-wifi-wds.diff

--- ./src/wifi/model/edca-txop-n.cc	2013-05-12 18:50:16.000000000 +0200
+++ ./src/wifi/model/edca-txop-n.cc	2013-06-01 01:53:32.137853867 +0200
@@ -835,10 +835,14 @@ EdcaTxopN::MapSrcAddressForAggregation (
     {
       retval = hdr.GetAddr2 ();
     }
-  else
+  else if (m_typeOfStation == AP)
     {
       retval = hdr.GetAddr3 ();
     }
+  else
+    {
+      retval = hdr.GetAddr4 ();
+    }
   return retval;
 }
 
--- ./src/wifi/model/edca-txop-n.h	2013-05-12 18:50:16.000000000 +0200
+++ ./src/wifi/model/edca-txop-n.h	2013-06-01 02:03:45.101869057 +0200
@@ -58,7 +58,8 @@ enum TypeOfStation
   STA,
   AP,
   ADHOC_STA,
-  MESH
+  MESH,
+  WDS
 };
 
 
--- ./src/wifi/model/wds-wifi-mac.cc	1970-01-01 01:00:00.000000000 +0100
+++ ./src/wifi/model/wds-wifi-mac.cc	2013-07-17 06:46:20.403606356 +0200
@@ -0,0 +1,227 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2006, 2009 INRIA
+ * Copyright (c) 2009 MIRKO BANCHI
+ * Copyright (c) 2013 PIOTR JURKIEWICZ
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Mathieu Lacage <[email protected]>
+ * Author: Mirko Banchi <[email protected]>
+ * Author: Piotr Jurkiewicz <[email protected]>
+ */
+#include "wds-wifi-mac.h"
+
+#include "ns3/pointer.h"
+#include "ns3/log.h"
+#include "ns3/string.h"
+#include "ns3/boolean.h"
+#include "ns3/trace-source-accessor.h"
+
+#include "qos-tag.h"
+#include "mac-low.h"
+#include "dcf-manager.h"
+#include "mac-rx-middle.h"
+#include "mac-tx-middle.h"
+#include "msdu-aggregator.h"
+#include "amsdu-subframe-header.h"
+#include "mgt-headers.h"
+
+NS_LOG_COMPONENT_DEFINE ("WDSWifiMac");
+
+namespace ns3 {
+
+NS_OBJECT_ENSURE_REGISTERED (WDSWifiMac);
+
+TypeId
+WDSWifiMac::GetTypeId (void)
+{
+  static TypeId tid = TypeId ("ns3::WDSWifiMac")
+    .SetParent<RegularWifiMac> ()
+    .AddConstructor<WDSWifiMac> ()
+    .AddAttribute ("ReceiverAddress", "The MAC address of the receiver",
+                   Mac48AddressValue (Mac48Address ("ff:ff:ff:ff:ff:ff")),
+                   MakeMac48AddressAccessor (&WDSWifiMac::m_ra),
+                   MakeMac48AddressChecker ())
+  ;
+  return tid;
+}
+
+WDSWifiMac::WDSWifiMac ()
+{
+  NS_LOG_FUNCTION (this);
+
+  // Let the lower layers know that we are acting in an IBSS
+  SetTypeOfStation (WDS);
+}
+
+WDSWifiMac::~WDSWifiMac ()
+{
+  NS_LOG_FUNCTION (this);
+}
+
+void
+WDSWifiMac::SetAddress (Mac48Address address)
+{
+  NS_LOG_FUNCTION (this << address);
+  // In an IBSS, the BSSID is supposed to be generated per Section
+  // 11.1.3 of IEEE 802.11. We don't currently do this - instead we
+  // make an IBSS STA a bit like an AP, with the BSSID for frames
+  // transmitted by each STA set to that STA's address.
+  //
+  // This is why we're overriding this method.
+  RegularWifiMac::SetAddress (address);
+  RegularWifiMac::SetBssid (address);
+}
+
+void
+WDSWifiMac::Enqueue (Ptr<const Packet> packet, Mac48Address to)
+{
+  NS_LOG_FUNCTION (this << packet << to);
+  // We're sending this packet with a from address that is our own. We
+  // get that address from the lower MAC and make use of the
+  // from-spoofing Enqueue() method to avoid duplicated code.
+  Enqueue (packet, to, m_low->GetAddress ());
+}
+
+void
+WDSWifiMac::Enqueue (Ptr<const Packet> packet, Mac48Address to, Mac48Address from)
+{
+  NS_LOG_FUNCTION (this << packet << to << from);
+  if (m_stationManager->IsBrandNew (m_ra))
+    {
+      // In ad hoc mode, we assume that every destination supports all
+      // the rates we support.
+      for (uint32_t i = 0; i < m_phy->GetNModes (); i++)
+        {
+          m_stationManager->AddSupportedMode (m_ra, m_phy->GetMode (i));
+        }
+      m_stationManager->RecordDisassociated (m_ra);
+    }
+
+  WifiMacHeader hdr;
+
+  // If we are not a QoS STA then we definitely want to use AC_BE to
+  // transmit the packet. A TID of zero will map to AC_BE (through \c
+  // QosUtilsMapTidToAc()), so we use that as our default here.
+  uint8_t tid = 0;
+
+  // For now, a STA that supports QoS does not support non-QoS
+  // associations, and vice versa. In future the STA model should fall
+  // back to non-QoS if talking to a peer that is also non-QoS. At
+  // that point there will need to be per-station QoS state maintained
+  // by the association state machine, and consulted here.
+  if (m_qosSupported)
+    {
+      hdr.SetType (WIFI_MAC_QOSDATA);
+      hdr.SetQosAckPolicy (WifiMacHeader::NORMAL_ACK);
+      hdr.SetQosNoEosp ();
+      hdr.SetQosNoAmsdu ();
+      // Transmission of multiple frames in the same TXOP is not
+      // supported for now
+      hdr.SetQosTxopLimit (0);
+
+      // Fill in the QoS control field in the MAC header
+      tid = QosUtilsGetTidForPacket (packet);
+      // Any value greater than 7 is invalid and likely indicates that
+      // the packet had no QoS tag, so we revert to zero, which'll
+      // mean that AC_BE is used.
+      if (tid >= 7)
+        {
+          tid = 0;
+        }
+      hdr.SetQosTid (tid);
+    }
+  else
+    {
+      hdr.SetTypeData ();
+    }
+
+
+  hdr.SetAddr1 (m_ra);
+  hdr.SetAddr2 (m_low->GetAddress ());
+
+  hdr.SetAddr3 (to);
+  hdr.SetAddr4 (from);
+
+
+  hdr.SetDsFrom ();
+  hdr.SetDsTo ();
+
+  if (m_qosSupported)
+    {
+      // Sanity check that the TID is valid
+      NS_ASSERT (tid < 8);
+      m_edca[QosUtilsMapTidToAc (tid)]->Queue (packet, hdr);
+    }
+  else
+    {
+      m_dca->Queue (packet, hdr);
+    }
+}
+
+bool
+WDSWifiMac::SupportsSendFrom (void) const
+{
+  NS_LOG_FUNCTION (this);
+  return true;
+}
+
+void
+WDSWifiMac::SetReceiverAddress (Mac48Address ra)
+{
+  NS_LOG_FUNCTION (this << ra);
+  m_ra = ra;
+}
+
+void
+WDSWifiMac::SetLinkUpCallback (Callback<void> linkUp)
+{
+  NS_LOG_FUNCTION (this << &linkUp);
+  RegularWifiMac::SetLinkUpCallback (linkUp);
+
+  // The approach taken here is that, from the point of view of a STA
+  // in IBSS mode, the link is always up, so we immediately invoke the
+  // callback if one is set
+  linkUp ();
+}
+
+void
+WDSWifiMac::Receive (Ptr<Packet> packet, const WifiMacHeader *hdr)
+{
+  NS_LOG_FUNCTION (this << packet << hdr);
+  NS_ASSERT (!hdr->IsCtl ());
+  Mac48Address from = hdr->GetAddr4 ();
+  Mac48Address to = hdr->GetAddr3 ();
+  if (hdr->IsData ())
+    {
+      if (hdr->IsQosData () && hdr->IsQosAmsdu ())
+        {
+          NS_LOG_DEBUG ("Received A-MSDU from" << from);
+          DeaggregateAmsduAndForward (packet, hdr);
+        }
+      else
+        {
+          ForwardUp (packet, from, to);
+        }
+      return;
+    }
+
+  // Invoke the receive handler of our parent class to deal with any
+  // other frames. Specifically, this will handle Block Ack-related
+  // Management Action frames.
+  RegularWifiMac::Receive (packet, hdr);
+}
+
+} // namespace ns3

--- ./src/wifi/model/wds-wifi-mac.h	1970-01-01 01:00:00.000000000 +0100
+++ ./src/wifi/model/wds-wifi-mac.h	2013-06-01 01:36:58.673829245 +0200
@@ -0,0 +1,83 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2006, 2009 INRIA
+ * Copyright (c) 2009 MIRKO BANCHI
+ * Copyright (c) 2013 PIOTR JURKIEWICZ
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Mathieu Lacage <[email protected]>
+ * Author: Mirko Banchi <[email protected]>
+ * Author: Piotr Jurkiewicz <[email protected]>
+ */
+#ifndef WDS_WIFI_MAC_H
+#define WDS_WIFI_MAC_H
+
+#include "regular-wifi-mac.h"
+
+#include "amsdu-subframe-header.h"
+
+namespace ns3 {
+
+/**
+ * \ingroup wifi
+ *
+ *
+ */
+class WDSWifiMac : public RegularWifiMac
+{
+public:
+  static TypeId GetTypeId (void);
+
+  WDSWifiMac ();
+  virtual ~WDSWifiMac ();
+
+  /**
+   * \param address the current address of this MAC layer.
+   */
+  virtual void SetAddress (Mac48Address address);
+
+  /**
+   * \param linkUp the callback to invoke when the link becomes up.
+   */
+  virtual void SetLinkUpCallback (Callback<void> linkUp);
+
+  /**
+   * \param packet the packet to send.
+   * \param to the address to which the packet should be sent.
+   *
+   * The packet should be enqueued in a tx queue, and should be
+   * dequeued as soon as the channel access function determines that
+   * access is granted to this MAC.
+   */
+
+  virtual void Enqueue (Ptr<const Packet> packet, Mac48Address to);
+  virtual void Enqueue (Ptr<const Packet> packet, Mac48Address to, Mac48Address from);
+
+  virtual bool SupportsSendFrom (void) const;
+
+  void SetReceiverAddress(Mac48Address ra);
+
+protected:
+
+  Mac48Address m_ra;
+
+
+private:
+  virtual void Receive (Ptr<Packet> packet, const WifiMacHeader *hdr);
+};
+
+} // namespace ns3
+
+#endif /* WDS_WIFI_MAC_H */

--- ./src/wifi/wscript	2013-05-12 18:50:16.000000000 +0200
+++ ./src/wifi/wscript	2013-06-01 00:09:32.665699239 +0200
@@ -36,6 +36,7 @@ def build(bld):
         'model/ap-wifi-mac.cc',
         'model/sta-wifi-mac.cc',
         'model/adhoc-wifi-mac.cc',
+        'model/wds-wifi-mac.cc',
         'model/wifi-net-device.cc',
         'model/arf-wifi-manager.cc',
         'model/aarf-wifi-manager.cc',
@@ -95,6 +96,7 @@ def build(bld):
         'model/ap-wifi-mac.h',
         'model/sta-wifi-mac.h',
         'model/adhoc-wifi-mac.h',
+        'model/wds-wifi-mac.h',
         'model/arf-wifi-manager.h',
         'model/aarf-wifi-manager.h',
         'model/ideal-wifi-manager.h',