src/devices/wifi/onoe-mac-stations.h
changeset 2271 85724b1cbb1a
child 2272 ae2bbdbfc161
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/devices/wifi/onoe-mac-stations.h	Thu Dec 13 08:39:08 2007 +0100
@@ -0,0 +1,85 @@
+/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2003,2007 INRIA
+ *
+ * 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 <mathieu.lacage@sophia.inria.fr>
+ */
+#ifndef ONOE_MAC_STATIONS_H
+#define ONOE_MAC_STATIONS_H
+
+#include "mac-stations.h"
+#include "ns3/nstime.h"
+
+namespace ns3 {
+
+class OnoeMacStations : public MacStations
+{
+public:
+  OnoeMacStations (WifiMode defaultTxMode);
+
+private:
+  friend class OnoeMacStation;
+  virtual MacStation *CreateStation (void);
+
+  Time m_updatePeriod;
+  uint32_t m_addCreditThreshold;
+  uint32_t m_raiseThreshold;
+};
+
+/**
+ * \brief an implementation of rate control algorithm developed 
+ *        by Atsushi Onoe
+ *
+ * This algorithm is well known because it has been used as the default
+ * rate control algorithm for the madwifi driver. I am not aware of
+ * any publication or reference about this algorithm beyond the madwifi
+ * source code.
+ */
+class OnoeMacStation : public MacStation
+{
+public:
+  OnoeMacStation (OnoeMacStations *stations);
+
+  virtual ~OnoeMacStation ();
+
+  virtual void ReportRxOk (double rxSnr, WifiMode txMode);
+  virtual void ReportRtsFailed (void);
+  virtual void ReportDataFailed (void);
+  virtual void ReportRtsOk (double ctsSnr, WifiMode ctsMode, double rtsSnr);
+  virtual void ReportDataOk (double ackSnr, WifiMode ackMode, double dataSnr);
+  virtual void ReportFinalRtsFailed (void);
+  virtual void ReportFinalDataFailed (void);
+
+private:
+  virtual OnoeMacStations *GetStations (void) const;
+  virtual WifiMode DoGetDataMode (uint32_t size);
+  virtual WifiMode DoGetRtsMode (void);
+
+  void UpdateRetry (void);
+  void UpdateMode (void);
+
+  OnoeMacStations *m_stations;
+  uint32_t m_shortRetry;
+  uint32_t m_longRetry;
+  Time m_nextModeUpdate;
+  uint32_t m_tx_ok;
+  uint32_t m_tx_err;
+  uint32_t m_tx_retr;
+};
+
+} // namespace ns3
+
+#endif /* ONOE_MAC_STATIONS_H */