--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/wifi/model/block-ack-agreement.h	Fri Mar 04 01:26:54 2011 +0000
@@ -0,0 +1,68 @@
+/* -*-  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 BLOCK_ACK_AGREEMENT_H
+#define BLOCK_ACK_AGREEMENT_H
+
+#include "ns3/mac48-address.h"
+#include "ns3/event-id.h"
+
+namespace ns3 {
+/**
+ * \brief Maintains information for a block ack agreement.
+ */
+class BlockAckAgreement 
+{
+  friend class MacLow;
+public:
+  BlockAckAgreement ();
+  BlockAckAgreement (Mac48Address peer, uint8_t tid);
+  ~BlockAckAgreement ();
+  void SetBufferSize (uint16_t bufferSize);
+  void SetTimeout (uint16_t timeout);
+  void SetStartingSequence (uint16_t seq);
+  void SetImmediateBlockAck (void);
+  void SetDelayedBlockAck (void);
+  void SetAmsduSupport (bool supported);
+
+  uint8_t GetTid (void) const;
+  Mac48Address GetPeer (void) const;
+  uint16_t GetBufferSize (void) const;
+  uint16_t GetTimeout (void) const;
+  uint16_t GetStartingSequence (void) const;
+  uint16_t GetStartingSequenceControl (void) const;
+  bool IsImmediateBlockAck (void) const;
+  bool IsAmsduSupported (void) const;
+
+protected:
+ 
+  Mac48Address m_peer;
+  uint8_t m_amsduSupported;
+  uint8_t m_blockAckPolicy; /* represents type of block ack: immediate or delayed */
+  uint8_t m_tid;
+  uint16_t m_bufferSize;
+  uint16_t m_timeout;
+  uint16_t m_startingSeq;
+  
+  EventId m_inactivityEvent;
+};
+
+} //namespace ns3
+
+#endif /* BLOCK_ACK_AGREEMENT_H */