--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/devices/wifi/msdu-standard-aggregator.h	Fri Apr 24 10:21:37 2009 +0200
@@ -0,0 +1,56 @@
+/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2009 MIRKO BANCHI
+ *
+ * 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: Mirko Banchi <mk.banchi@gmail.com>
+ */
+#ifndef MSDU_STANDARD_AGGREGATOR_H
+#define MSDU_STANDARD_AGGREGATOR_H
+
+#include "msdu-aggregator.h"
+
+namespace ns3 {
+
+class MsduStandardAggregator : public MsduAggregator
+{
+public:
+
+  static TypeId GetTypeId (void);
+  MsduStandardAggregator ();
+  ~MsduStandardAggregator ();
+  /**
+   * \param packet Packet we have to insert into </i>aggregatedPacket</i>.
+   * \param aggregatedPacket Packet that will contain <i>packet</i>, if aggregation is possible, 
+   * \param src Source address of <i>packet</i>.
+   * \param dest Destination address of <i>packet</i>.
+   * 
+   * This method performs an MSDU aggregation.
+   * Returns true if <i>packet</i> can be aggregated to <i>aggregatedPacket</i>, false otherwise. 
+   */
+  virtual bool Aggregate (Ptr<const Packet> packet, Ptr<Packet> aggregatedPacket,
+                          Mac48Address src, Mac48Address dest);
+private:
+  /*  Calculates how much padding must be added to the end of packet.
+      Each A-MSDU subframe is padded so that its length is multiple of 4 octects.
+   */
+  uint32_t CalculatePadding (Ptr<const Packet> packet);
+
+  uint32_t m_maxAmsduLength;
+};
+
+}  //namespace ns3
+
+#endif /* MSDU_STANDARD_AGGREGATOR_H */