/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2006, 2009 INRIA
* 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: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
* Author: Mirko Banchi <mk.banchi@gmail.com>
*/
#ifndef QSTA_WIFI_MAC_H
#define QSTA_WIFI_MAC_H
#include "ns3/callback.h"
#include "ns3/packet.h"
#include "ns3/event-id.h"
#include "wifi-mac.h"
#include "supported-rates.h"
#include "qos-utils.h"
#include <string>
#include <vector>
#include <list>
#include <map>
namespace ns3 {
class DcfManager;
class EdcaTxopN;
class MacRxMiddle;
class MacTxMiddle;
class MacLow;
class WifiMacHeader;
class AmsduSubframeHeader;
class MsduAggregator;
class QstaWifiMac : public WifiMac
{
public:
static TypeId GetTypeId (void);
QstaWifiMac ();
virtual ~QstaWifiMac ();
// inherited from WifiMac.
virtual void SetSlot (Time slotTime);
virtual void SetSifs (Time sifs);
virtual void SetEifsNoDifs (Time eifsNoDifs);
virtual void SetAckTimeout (Time ackTimeout);
virtual void SetCtsTimeout (Time ctsTimeout);
virtual void SetPifs (Time pifs);
virtual Time GetSlot (void) const;
virtual Time GetSifs (void) const;
virtual Time GetEifsNoDifs (void) const;
virtual Time GetAckTimeout (void) const;
virtual Time GetCtsTimeout (void) const;
virtual Time GetPifs (void) const;
virtual void SetWifiPhy (Ptr<WifiPhy> phy);
virtual void SetWifiRemoteStationManager (Ptr<WifiRemoteStationManager> stationManager);
virtual void Enqueue (Ptr<const Packet> packet, Mac48Address to, Mac48Address from){};
virtual void Enqueue (Ptr<const Packet> packet, Mac48Address to);
virtual bool SupportsSendFrom (void) const;
virtual void SetForwardUpCallback (Callback<void,Ptr<Packet>, Mac48Address, Mac48Address> upCallback);
virtual void SetLinkUpCallback (Callback<void> linkUp);
virtual void SetLinkDownCallback (Callback<void> linkDown);
virtual Mac48Address GetAddress (void) const;
virtual Ssid GetSsid (void) const;
virtual void SetAddress (Mac48Address address);
virtual void SetSsid (Ssid ssid);
virtual Mac48Address GetBssid (void) const;
void SetMaxMissedBeacons (uint32_t missed);
void SetProbeRequestTimeout (Time timeout);
void SetAssocRequestTimeout (Time timeout);
void StartActiveAssociation (void);
private:
void SetBssid (Mac48Address bssid);
Mac48Address GetBroadcastBssid (void);
void Receive (Ptr<Packet> p, const WifiMacHeader *hdr);
void ForwardUp (Ptr<Packet> packet, Mac48Address from, Mac48Address to);
void SetActiveProbing (bool enable);
bool GetActiveProbing (void) const;
void MissedBeacons (void);
SupportedRates GetSupportedRates (void) const;
void RestartBeaconWatchdog (Time delay);
void AssocRequestTimeout (void);
void ProbeRequestTimeout (void);
void SendAssociationRequest (void);
void SendProbeRequest (void);
void TryToEnsureAssociated (void);
bool IsAssociated (void);
virtual void DoDispose (void);
/**
* When an A-MSDU is received, is deaggregated by this method and all extracted packets are
* forwarded up.
*/
void DeaggregateAmsduAndForward (Ptr<Packet> aggregatedPacket, WifiMacHeader const *hdr);
Ptr<EdcaTxopN> GetVOQueue (void) const;
Ptr<EdcaTxopN> GetVIQueue (void) const;
Ptr<EdcaTxopN> GetBEQueue (void) const;
Ptr<EdcaTxopN> GetBKQueue (void) const;
void SetVOQueue (Ptr<EdcaTxopN> voQueue);
void SetVIQueue (Ptr<EdcaTxopN> viQueue);
void SetBEQueue (Ptr<EdcaTxopN> beQueue);
void SetBKQueue (Ptr<EdcaTxopN> bkQueue);
typedef std::map<AccessClass, Ptr<EdcaTxopN> > Queues;
typedef std::list<std::pair<Ptr<Packet>, AmsduSubframeHeader> > DeaggregatedMsdus;
typedef std::list<std::pair<Ptr<Packet>, AmsduSubframeHeader> >::const_iterator DeaggregatedMsdusCI;
enum {
ASSOCIATED,
WAIT_PROBE_RESP,
WAIT_ASSOC_RESP,
BEACON_MISSED,
REFUSED
} m_state;
/*Next map is used only for an esay access to a specific queue*/
Queues m_queues;
Ptr<EdcaTxopN> m_voEdca;
Ptr<EdcaTxopN> m_viEdca;
Ptr<EdcaTxopN> m_beEdca;
Ptr<EdcaTxopN> m_bkEdca;
Ptr<MacLow> m_low;
Ptr<WifiPhy> m_phy;
Ptr<WifiRemoteStationManager> m_stationManager;
DcfManager *m_dcfManager;
MacRxMiddle *m_rxMiddle;
MacTxMiddle *m_txMiddle;
Ssid m_ssid;
Callback<void, Ptr<Packet>, Mac48Address, Mac48Address> m_forwardUp;
Callback<void> m_linkUp;
Callback<void> m_linkDown;
Time m_probeRequestTimeout;
Time m_assocRequestTimeout;
EventId m_probeRequestEvent;
EventId m_assocRequestEvent;
Time m_beaconWatchdogEnd;
EventId m_beaconWatchdog;
uint32_t m_maxMissedBeacons;
Time m_eifsNoDifs;
};
} //namespace ns3
#endif /* QSTA_WIFI_MAC_H */