author | Ashwin Narayan |
Sat, 16 Jul 2011 08:54:00 -0400 | |
changeset 7328 | 141f8d6ccb03 |
parent 7309 | ce2189c04630 |
permissions | -rw-r--r-- |
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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */ |
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/* |
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* Copyright (c) 2006, 2009 INRIA |
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* Copyright (c) 2009 MIRKO BANCHI |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation; |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr> |
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* Author: Mirko Banchi <mk.banchi@gmail.com> |
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*/ |
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#ifndef AP_WIFI_MAC_H |
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#define AP_WIFI_MAC_H |
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#include "regular-wifi-mac.h" |
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#include "amsdu-subframe-header.h" |
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#include "supported-rates.h" |
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namespace ns3 { |
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/** |
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* \brief Wi-Fi AP state machine |
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* \ingroup wifi |
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* |
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* Handle association, dis-association and authentication, |
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* of STAs within an infrastructure BSS. |
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*/ |
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class ApWifiMac : public RegularWifiMac |
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{ |
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public: |
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static TypeId GetTypeId (void); |
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ApWifiMac (); |
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virtual ~ApWifiMac (); |
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/** |
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* \param stationManager the station manager attached to this MAC. |
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*/ |
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virtual void SetWifiRemoteStationManager (Ptr<WifiRemoteStationManager> stationManager); |
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/** |
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* \param linkUp the callback to invoke when the link becomes up. |
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*/ |
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virtual void SetLinkUpCallback (Callback<void> linkUp); |
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/** |
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* \param packet the packet to send. |
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* \param to the address to which the packet should be sent. |
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* |
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* The packet should be enqueued in a tx queue, and should be |
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* dequeued as soon as the channel access function determines that |
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* access is granted to this MAC. |
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*/ |
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virtual void Enqueue (Ptr<const Packet> packet, Mac48Address to); |
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/** |
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* \param packet the packet to send. |
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* \param to the address to which the packet should be sent. |
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* \param from the address from which the packet should be sent. |
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* |
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* The packet should be enqueued in a tx queue, and should be |
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* dequeued as soon as the channel access function determines that |
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* access is granted to this MAC. The extra parameter "from" allows |
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* this device to operate in a bridged mode, forwarding received |
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* frames without altering the source address. |
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*/ |
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virtual void Enqueue (Ptr<const Packet> packet, Mac48Address to, Mac48Address from); |
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virtual bool SupportsSendFrom (void) const; |
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/** |
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* \param address the current address of this MAC layer. |
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*/ |
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virtual void SetAddress (Mac48Address address); |
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/** |
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* \param interval the interval between two beacon transmissions. |
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*/ |
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void SetBeaconInterval (Time interval); |
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/** |
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* \returns the interval between two beacon transmissions. |
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*/ |
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Time GetBeaconInterval (void) const; |
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/** |
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* Start beacon transmission immediately. |
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*/ |
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void StartBeaconing (void); |
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virtual void Receive (Ptr<Packet> packet, const WifiMacHeader *hdr, const RadiotapHeader *radiotaphdr); |
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virtual void TxOk (const WifiMacHeader &hdr); |
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virtual void TxFailed (const WifiMacHeader &hdr); |
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/** |
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* This method is called to de-aggregate an A-MSDU and forward the |
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* constituent packets up the stack. We override the WifiMac version |
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* here because, as an AP, we also need to think about redistributing |
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* to other associated STAs. |
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* |
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* \param aggregatedPacket the Packet containing the A-MSDU. |
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* \param hdr a pointer to the MAC header for \c aggregatedPacket. |
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*/ |
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virtual void DeaggregateAmsduAndForward (Ptr<Packet> aggregatedPacket, |
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const WifiMacHeader *hdr); |
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void ForwardDown (Ptr<const Packet> packet, Mac48Address from, Mac48Address to); |
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void ForwardDown (Ptr<const Packet> packet, Mac48Address from, Mac48Address to, uint8_t tid); |
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void SendProbeResp (Mac48Address to); |
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void SendAssocResp (Mac48Address to, bool success); |
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void SendOneBeacon (void); |
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SupportedRates GetSupportedRates (void) const; |
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void SetBeaconGeneration (bool enable); |
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bool GetBeaconGeneration (void) const; |
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virtual void DoDispose (void); |
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virtual void DoStart (void); |
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Ptr<DcaTxop> m_beaconDca; |
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Time m_beaconInterval; |
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bool m_enableBeaconGeneration; |
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EventId m_beaconEvent; |
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}; |
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} // namespace ns3 |
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#endif /* AP_WIFI_MAC_H */ |