A Discrete-Event Network Simulator
API
msdu-aggregator.h
Go to the documentation of this file.
1/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2009 MIRKO BANCHI
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation;
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 * Author: Mirko Banchi <mk.banchi@gmail.com>
19 */
20
21#ifndef MSDU_AGGREGATOR_H
22#define MSDU_AGGREGATOR_H
23
24#include "ns3/object.h"
25#include "ns3/nstime.h"
26#include "wifi-mode.h"
27#include "qos-utils.h"
28#include "wifi-mac-queue-item.h"
29#include <map>
30
31namespace ns3 {
32
33class Packet;
34class QosTxop;
35class WifiTxVector;
36class WifiMac;
37class HtFrameExchangeManager;
38class WifiTxParameters;
39
44class MsduAggregator : public Object
45{
46public:
48 typedef std::map<AcIndex, Ptr<QosTxop> > EdcaQueues;
49
54 static TypeId GetTypeId (void);
55
57 virtual ~MsduAggregator ();
58
69 static uint16_t GetSizeIfAggregated (uint16_t msduSize, uint16_t amsduSize);
70
102 Time availableTime) const;
103
113 uint16_t GetMaxAmsduSize (Mac48Address recipient, uint8_t tid,
114 WifiModulationClass modulation) const;
115
122
128 void SetWifiMac (const Ptr<WifiMac> mac);
129
139 static uint8_t CalculatePadding (uint16_t amsduSize);
140
141protected:
142 void DoDispose () override;
143
144private:
147};
148
149} //namespace ns3
150
151#endif /* MSDU_AGGREGATOR_H */
an EUI-48 address
Definition: mac48-address.h:44
Aggregator used to construct A-MSDUs.
uint16_t GetMaxAmsduSize(Mac48Address recipient, uint8_t tid, WifiModulationClass modulation) const
Determine the maximum size for an A-MSDU of the given TID that can be sent to the given receiver when...
std::map< AcIndex, Ptr< QosTxop > > EdcaQueues
EDCA queues typedef.
void DoDispose() override
Destructor implementation.
Ptr< WifiMac > m_mac
the MAC of this station
static TypeId GetTypeId(void)
Get the type ID.
static WifiMacQueueItem::DeaggregatedMsdus Deaggregate(Ptr< Packet > aggregatedPacket)
Ptr< HtFrameExchangeManager > m_htFem
the HT Frame Exchange Manager of this station
static uint16_t GetSizeIfAggregated(uint16_t msduSize, uint16_t amsduSize)
Compute the size of the A-MSDU resulting from the aggregation of an MSDU of size msduSize and an A-MS...
void SetWifiMac(const Ptr< WifiMac > mac)
Set the MAC layer to use.
static uint8_t CalculatePadding(uint16_t amsduSize)
Calculate how much padding must be added to the end of an A-MSDU of the given size if a new MSDU is a...
Ptr< WifiMacQueueItem > GetNextAmsdu(Ptr< const WifiMacQueueItem > peekedItem, WifiTxParameters &txParams, Time availableTime) const
Attempt to aggregate other MSDUs to the given A-MSDU while meeting the following constraints:
A base class which provides memory management and object aggregation.
Definition: object.h:88
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:74
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:103
a unique identifier for an interface.
Definition: type-id.h:59
std::list< std::pair< Ptr< const Packet >, AmsduSubframeHeader > > DeaggregatedMsdus
DeaggregatedMsdus typedef.
This class stores the TX parameters (TX vector, protection mechanism, acknowledgment mechanism,...
WifiModulationClass
This enumeration defines the modulation classes per (Table 10-6 "Modulation classes"; IEEE 802....
Every class exported by the ns3 library is enclosed in the ns3 namespace.
mac
Definition: third.py:99