A Discrete-Event Network Simulator
API
Loading...
Searching...
No Matches
vht-operation.cc
Go to the documentation of this file.
1/*
2 * Copyright (c) 2016 Sébastien Deronne
3 *
4 * SPDX-License-Identifier: GPL-2.0-only
5 *
6 * Author: Sébastien Deronne <sebastien.deronne@gmail.com>
7 */
8
9#include "vht-operation.h"
10
11namespace ns3
12{
13
15 : m_channelWidth(0),
16 m_channelCenterFrequencySegment0(0),
17 m_channelCenterFrequencySegment1(0),
18 m_basicVhtMcsAndNssSet(0)
19{
20}
21
24{
25 return IE_VHT_OPERATION;
26}
27
28void
29VhtOperation::Print(std::ostream& os) const
30{
31 os << "VHT Operation=[Channel Width: " << +m_channelWidth
32 << ", Channel Center Frequency Segment 0: " << +m_channelCenterFrequencySegment0
33 << ", Channel Center Frequency Segment 1: " << +m_channelCenterFrequencySegment1
34 << ", Basic VHT-MCS and NSS Set: " << m_basicVhtMcsAndNssSet << "]";
35}
36
37uint16_t
39{
40 return 5;
41}
42
43void
44VhtOperation::SetChannelWidth(uint8_t channelWidth)
45{
46 m_channelWidth = channelWidth;
47}
48
49void
50VhtOperation::SetChannelCenterFrequencySegment0(uint8_t channelCenterFrequencySegment0)
51{
52 m_channelCenterFrequencySegment0 = channelCenterFrequencySegment0;
53}
54
55void
56VhtOperation::SetChannelCenterFrequencySegment1(uint8_t channelCenterFrequencySegment1)
57{
58 m_channelCenterFrequencySegment1 = channelCenterFrequencySegment1;
59}
60
61void
62VhtOperation::SetMaxVhtMcsPerNss(uint8_t nss, uint8_t maxVhtMcs)
63{
64 NS_ASSERT((maxVhtMcs == 0 || (maxVhtMcs >= 7 && maxVhtMcs <= 9)) && (nss >= 1 && nss <= 8));
65 if (maxVhtMcs != 0)
66 {
67 m_basicVhtMcsAndNssSet |= (((maxVhtMcs - 7) & 0x03) << ((nss - 1) * 2));
68 }
69 else
70 {
71 m_basicVhtMcsAndNssSet |= (3 << ((nss - 1) * 2));
72 }
73}
74
75void
76VhtOperation::SetBasicVhtMcsAndNssSet(uint16_t basicVhtMcsAndNssSet)
77{
78 m_basicVhtMcsAndNssSet = basicVhtMcsAndNssSet;
79}
80
81uint8_t
86
87uint8_t
92
93uint8_t
98
99uint16_t
104
105void
107{
108 // write the corresponding value for each bit
109 start.WriteU8(GetChannelWidth());
110 start.WriteU8(GetChannelCenterFrequencySegment0());
111 start.WriteU8(GetChannelCenterFrequencySegment1());
112 start.WriteU16(GetBasicVhtMcsAndNssSet());
113}
114
115uint16_t
117{
118 Buffer::Iterator i = start;
119 uint8_t channelWidth = i.ReadU8();
120 uint8_t channelCenterFrequencySegment0 = i.ReadU8();
121 uint8_t channelCenterFrequencySegment1 = i.ReadU8();
122 uint16_t basicVhtMcsAndNssSet = i.ReadU16();
123 SetChannelWidth(channelWidth);
124 SetChannelCenterFrequencySegment0(channelCenterFrequencySegment0);
125 SetChannelCenterFrequencySegment1(channelCenterFrequencySegment1);
126 SetBasicVhtMcsAndNssSet(basicVhtMcsAndNssSet);
127 return length;
128}
129
130} // namespace ns3
iterator in a Buffer instance
Definition buffer.h:89
uint16_t ReadU16()
Definition buffer.h:1024
uint16_t m_basicVhtMcsAndNssSet
basic VHT MCS NSS set
uint8_t m_channelWidth
channel width
uint8_t GetChannelCenterFrequencySegment1() const
Return the Channel Center Frequency Segment 1 field in the VHT Operation information element.
void Print(std::ostream &os) const override
Generate human-readable form of IE.
void SerializeInformationField(Buffer::Iterator start) const override
Serialize information (i.e., the body of the IE, not including the Element ID and length octets)
void SetMaxVhtMcsPerNss(uint8_t nss, uint8_t maxVhtMcs)
Set the Basic VHT-MCS and NSS field in the VHT Operation information element by specifying the tuple ...
uint8_t m_channelCenterFrequencySegment1
channel center frequency segment 1
uint16_t GetBasicVhtMcsAndNssSet() const
Return the Basic VHT-MCS And Nss field in the VHT Operation information element.
uint8_t m_channelCenterFrequencySegment0
channel center frequency segment 0
uint8_t GetChannelWidth() const
Return the Channel Width field in the VHT Operation information element.
uint16_t DeserializeInformationField(Buffer::Iterator start, uint16_t length) override
Deserialize information (i.e., the body of the IE, not including the Element ID and length octets)
void SetBasicVhtMcsAndNssSet(uint16_t basicVhtMcsAndNssSet)
Set the Basic VHT-MCS and NSS field in the VHT Operation information element.
WifiInformationElementId ElementId() const override
Get the wifi information element ID.
void SetChannelWidth(uint8_t channelWidth)
Set the Channel Width field in the VHT Operation information element.
uint16_t GetInformationFieldSize() const override
Length of serialized information (i.e., the length of the body of the IE, not including the Element I...
void SetChannelCenterFrequencySegment1(uint8_t channelCenterFrequencySegment1)
Set the Channel Center Frequency Segment 1 field in the VHT Operation information element.
uint8_t GetChannelCenterFrequencySegment0() const
Return the Channel Center Frequency Segment 0 field in the VHT Operation information element.
void SetChannelCenterFrequencySegment0(uint8_t channelCenterFrequencySegment0)
Set the Channel Center Frequency Segment 0 field in the VHT Operation information element.
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file,...
Definition assert.h:55
Every class exported by the ns3 library is enclosed in the ns3 namespace.
uint8_t WifiInformationElementId
This type is used to represent an Information Element ID.
#define IE_VHT_OPERATION