A Discrete-Event Network Simulator
API
qos-utils.h
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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 QOS_UTILS_H
22 #define QOS_UTILS_H
23 
24 #include "ns3/ptr.h"
25 
26 namespace ns3 {
27 
28 class Packet;
29 class WifiMacHeader;
30 
37 enum AcIndex
38 {
40  AC_BE = 0,
42  AC_BK = 1,
44  AC_VI = 2,
46  AC_VO = 3,
50 };
51 
60 AcIndex QosUtilsMapTidToAc (uint8_t tid);
61 
73 
85 uint32_t QosUtilsMapSeqControlToUniqueInteger (uint16_t seqControl, uint16_t endSequence);
86 
124 bool QosUtilsIsOldPacket (uint16_t startingSeq, uint16_t seqNumber);
125 
135 uint8_t GetTid (Ptr<const Packet> packet, const WifiMacHeader hdr);
136 
137 } //namespace ns3
138 
139 #endif /* QOS_UTILS_H */
bool QosUtilsIsOldPacket(uint16_t startingSeq, uint16_t seqNumber)
This function checks if packet with sequence number seqNumber is an "old" packet. ...
Definition: qos-utils.cc:83
Video.
Definition: qos-utils.h:44
Voice.
Definition: qos-utils.h:46
Best Effort.
Definition: qos-utils.h:40
uint8_t QosUtilsGetTidForPacket(Ptr< const Packet > packet)
If a qos tag is attached to the packet, returns a value < 8.
Definition: qos-utils.cc:57
Background.
Definition: qos-utils.h:42
AcIndex QosUtilsMapTidToAc(uint8_t tid)
Maps TID (Traffic ID) to Access classes.
Definition: qos-utils.cc:31
Every class exported by the ns3 library is enclosed in the ns3 namespace.
uint8_t GetTid(Ptr< const Packet > packet, const WifiMacHeader hdr)
Extraction operator for TypeId.
Definition: qos-utils.cc:98
uint32_t QosUtilsMapSeqControlToUniqueInteger(uint16_t seqControl, uint16_t endSequence)
Next function is useful to correctly sort buffered packets under block ack.
Definition: qos-utils.cc:72
Total number of ACs.
Definition: qos-utils.h:48
AcIndex
This enumeration defines the Access Categories as an enumeration with values corresponding to the AC ...
Definition: qos-utils.h:37
Implements the IEEE 802.11 MAC header.