author | Mathieu Lacage <mathieu.lacage@sophia.inria.fr> |
Mon, 03 Mar 2008 01:58:57 +0100 | |
changeset 2542 | a9b88fdc09d6 |
parent 2530 | 05f9cec44621 |
child 2545 | 7a38029a2e5b |
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) 2005,2006 INRIA |
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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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*/ |
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|
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#include "ns3/assert.h" |
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#include "ns3/packet.h" |
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#include "ns3/simulator.h" |
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#include "ns3/tag.h" |
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#include "ns3/log.h" |
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#include "ns3/node.h" |
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|
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#include "mac-low.h" |
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#include "wifi-phy.h" |
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#include "wifi-mac-trailer.h" |
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#include "wifi-mac.h" |
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#include "mac-stations.h" |
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#include "wifi-mac-parameters.h" |
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|
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NS_LOG_COMPONENT_DEFINE ("MacLow"); |
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|
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#define MY_DEBUG(x) \ |
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NS_LOG_DEBUG (Simulator::Now () << " " << m_mac->GetAddress () << " " << x) |
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namespace ns3 { |
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|
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class SnrTag : public Tag |
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{ |
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public: |
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SnrTag (); |
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SnrTag (const SnrTag &o); |
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~SnrTag (); |
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static uint32_t GetUid (void); |
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void Print (std::ostream &os) const; |
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uint32_t GetSerializedSize (void) const; |
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void Serialize (Buffer::Iterator i) const; |
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uint32_t Deserialize (Buffer::Iterator i); |
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void Set (double snr); |
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double Get (void) const; |
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private: |
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double m_snr; |
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}; |
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SnrTag::SnrTag () |
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: m_snr (0.0) |
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{} |
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SnrTag::SnrTag (const SnrTag &o) |
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: m_snr (o.m_snr) |
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{} |
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SnrTag::~SnrTag () |
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{} |
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uint32_t |
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SnrTag::GetUid (void) |
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{ |
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static uint32_t uid = AllocateUid<SnrTag> ("SnrTag.ns3.inria.fr"); |
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return uid; |
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} |
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void |
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SnrTag::Print (std::ostream &os) const |
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{ |
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os << "snr="<<m_snr; |
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} |
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uint32_t |
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SnrTag::GetSerializedSize (void) const |
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{ |
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return 0; |
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} |
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void |
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SnrTag::Serialize (Buffer::Iterator i) const |
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{ |
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// would need to serialize double to platform-independent format. |
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} |
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uint32_t |
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SnrTag::Deserialize (Buffer::Iterator i) |
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{ |
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// would need to deserialize double from platform-independent format. |
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return 0; |
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} |
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void |
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SnrTag::Set (double snr) |
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{ |
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m_snr = snr; |
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} |
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double |
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SnrTag::Get (void) const |
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{ |
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return m_snr; |
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} |
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MacLowTransmissionListener::MacLowTransmissionListener () |
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{} |
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MacLowTransmissionListener::~MacLowTransmissionListener () |
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{} |
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MacLowNavListener::MacLowNavListener () |
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{} |
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MacLowNavListener::~MacLowNavListener () |
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{} |
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MacLowTransmissionParameters::MacLowTransmissionParameters () |
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: m_nextSize (0), |
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m_waitAck (ACK_NONE), |
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m_sendRts (false), |
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120 |
m_overrideDurationId (Seconds (0)) |
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121 |
{} |
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122 |
void |
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|
123 |
MacLowTransmissionParameters::EnableNextData (uint32_t size) |
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|
124 |
{ |
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|
125 |
m_nextSize = size; |
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|
126 |
} |
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127 |
void |
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|
128 |
MacLowTransmissionParameters::DisableNextData (void) |
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|
129 |
{ |
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|
130 |
m_nextSize = 0; |
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|
131 |
} |
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|
132 |
void |
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|
133 |
MacLowTransmissionParameters::EnableOverrideDurationId (Time durationId) |
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|
134 |
{ |
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|
135 |
m_overrideDurationId = durationId; |
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|
136 |
} |
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|
137 |
void |
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|
138 |
MacLowTransmissionParameters::DisableOverrideDurationId (void) |
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|
139 |
{ |
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|
140 |
m_overrideDurationId = Seconds (0); |
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|
141 |
} |
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|
142 |
void |
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|
143 |
MacLowTransmissionParameters::EnableSuperFastAck (void) |
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|
144 |
{ |
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|
145 |
m_waitAck = ACK_SUPER_FAST; |
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|
146 |
} |
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|
147 |
void |
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|
148 |
MacLowTransmissionParameters::EnableFastAck (void) |
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|
149 |
{ |
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|
150 |
m_waitAck = ACK_FAST; |
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|
151 |
} |
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|
152 |
void |
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|
153 |
MacLowTransmissionParameters::EnableAck (void) |
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|
154 |
{ |
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|
155 |
m_waitAck = ACK_NORMAL; |
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|
156 |
} |
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|
157 |
void |
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|
158 |
MacLowTransmissionParameters::DisableAck (void) |
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changeset
|
159 |
{ |
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|
160 |
m_waitAck = ACK_NONE; |
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changeset
|
161 |
} |
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|
162 |
void |
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changeset
|
163 |
MacLowTransmissionParameters::EnableRts (void) |
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changeset
|
164 |
{ |
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changeset
|
165 |
m_sendRts = true; |
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changeset
|
166 |
} |
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changeset
|
167 |
void |
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changeset
|
168 |
MacLowTransmissionParameters::DisableRts (void) |
dd18bc29fc3c
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changeset
|
169 |
{ |
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|
170 |
m_sendRts = false; |
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parents:
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changeset
|
171 |
} |
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|
172 |
bool |
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|
173 |
MacLowTransmissionParameters::MustWaitAck (void) const |
dd18bc29fc3c
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changeset
|
174 |
{ |
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changeset
|
175 |
return (m_waitAck != ACK_NONE)?true:false; |
dd18bc29fc3c
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parents:
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changeset
|
176 |
} |
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changeset
|
177 |
bool |
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parents:
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changeset
|
178 |
MacLowTransmissionParameters::MustWaitNormalAck (void) const |
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changeset
|
179 |
{ |
dd18bc29fc3c
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changeset
|
180 |
return (m_waitAck == ACK_NORMAL)?true:false; |
dd18bc29fc3c
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parents:
diff
changeset
|
181 |
} |
dd18bc29fc3c
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parents:
diff
changeset
|
182 |
bool |
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parents:
diff
changeset
|
183 |
MacLowTransmissionParameters::MustWaitFastAck (void) const |
dd18bc29fc3c
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parents:
diff
changeset
|
184 |
{ |
dd18bc29fc3c
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parents:
diff
changeset
|
185 |
return (m_waitAck == ACK_FAST)?true:false; |
dd18bc29fc3c
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parents:
diff
changeset
|
186 |
} |
dd18bc29fc3c
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parents:
diff
changeset
|
187 |
bool |
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parents:
diff
changeset
|
188 |
MacLowTransmissionParameters::MustWaitSuperFastAck (void) const |
dd18bc29fc3c
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parents:
diff
changeset
|
189 |
{ |
dd18bc29fc3c
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parents:
diff
changeset
|
190 |
return (m_waitAck == ACK_SUPER_FAST)?true:false; |
dd18bc29fc3c
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parents:
diff
changeset
|
191 |
} |
dd18bc29fc3c
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parents:
diff
changeset
|
192 |
bool |
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parents:
diff
changeset
|
193 |
MacLowTransmissionParameters::MustSendRts (void) const |
dd18bc29fc3c
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parents:
diff
changeset
|
194 |
{ |
dd18bc29fc3c
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parents:
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changeset
|
195 |
return m_sendRts; |
dd18bc29fc3c
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parents:
diff
changeset
|
196 |
} |
dd18bc29fc3c
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parents:
diff
changeset
|
197 |
bool |
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parents:
diff
changeset
|
198 |
MacLowTransmissionParameters::HasDurationId (void) const |
dd18bc29fc3c
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parents:
diff
changeset
|
199 |
{ |
dd18bc29fc3c
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parents:
diff
changeset
|
200 |
return (m_overrideDurationId != Seconds (0))?true:false; |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
201 |
} |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
202 |
Time |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
203 |
MacLowTransmissionParameters::GetDurationId (void) const |
dd18bc29fc3c
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parents:
diff
changeset
|
204 |
{ |
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
205 |
NS_ASSERT (m_overrideDurationId != Seconds (0)); |
1922
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
206 |
return m_overrideDurationId; |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
207 |
} |
dd18bc29fc3c
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parents:
diff
changeset
|
208 |
bool |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
209 |
MacLowTransmissionParameters::HasNextPacket (void) const |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
210 |
{ |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
211 |
return (m_nextSize != 0)?true:false; |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
212 |
} |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
213 |
uint32_t |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
214 |
MacLowTransmissionParameters::GetNextPacketSize (void) const |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
215 |
{ |
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
216 |
NS_ASSERT (HasNextPacket ()); |
1922
dd18bc29fc3c
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parents:
diff
changeset
|
217 |
return m_nextSize; |
dd18bc29fc3c
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parents:
diff
changeset
|
218 |
} |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
219 |
|
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
220 |
|
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
221 |
|
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
222 |
MacLow::MacLow () |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
223 |
: m_normalAckTimeoutEvent (), |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
224 |
m_fastAckTimeoutEvent (), |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
225 |
m_superFastAckTimeoutEvent (), |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
226 |
m_fastAckFailedTimeoutEvent (), |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
227 |
m_ctsTimeoutEvent (), |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
228 |
m_sendCtsEvent (), |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
229 |
m_sendAckEvent (), |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
230 |
m_sendDataEvent (), |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
231 |
m_waitSifsEvent (), |
2286
3704959cf153
ensure m_listener is initialized properly
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2268
diff
changeset
|
232 |
m_currentPacket (0), |
3704959cf153
ensure m_listener is initialized properly
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2268
diff
changeset
|
233 |
m_listener (0) |
1922
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
234 |
{ |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
235 |
m_lastNavDuration = Seconds (0); |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
236 |
m_lastNavStart = Seconds (0); |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
237 |
} |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
238 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
239 |
MacLow::~MacLow () |
2530
05f9cec44621
avoid memory leaks
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2524
diff
changeset
|
240 |
{} |
05f9cec44621
avoid memory leaks
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2524
diff
changeset
|
241 |
|
05f9cec44621
avoid memory leaks
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2524
diff
changeset
|
242 |
void |
05f9cec44621
avoid memory leaks
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2524
diff
changeset
|
243 |
MacLow::DoDispose (void) |
1922
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
244 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
245 |
CancelAllEvents (); |
2054
ba8e810bae4c
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parents:
2024
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|
246 |
m_phy = 0; |
2530
05f9cec44621
avoid memory leaks
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|
247 |
m_mac = 0; |
05f9cec44621
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parents:
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|
248 |
m_stationManager = 0; |
1922
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|
249 |
} |
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|
250 |
|
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|
251 |
void |
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changeset
|
252 |
MacLow::CancelAllEvents (void) |
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diff
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|
253 |
{ |
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parents:
diff
changeset
|
254 |
bool oneRunning = false; |
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parents:
diff
changeset
|
255 |
if (m_normalAckTimeoutEvent.IsRunning ()) |
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parents:
diff
changeset
|
256 |
{ |
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parents:
diff
changeset
|
257 |
m_normalAckTimeoutEvent.Cancel (); |
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parents:
diff
changeset
|
258 |
oneRunning = true; |
dd18bc29fc3c
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parents:
diff
changeset
|
259 |
} |
dd18bc29fc3c
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parents:
diff
changeset
|
260 |
if (m_fastAckTimeoutEvent.IsRunning ()) |
dd18bc29fc3c
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parents:
diff
changeset
|
261 |
{ |
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parents:
diff
changeset
|
262 |
m_fastAckTimeoutEvent.Cancel (); |
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parents:
diff
changeset
|
263 |
oneRunning = true; |
dd18bc29fc3c
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parents:
diff
changeset
|
264 |
} |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
265 |
if (m_superFastAckTimeoutEvent.IsRunning ()) |
dd18bc29fc3c
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parents:
diff
changeset
|
266 |
{ |
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parents:
diff
changeset
|
267 |
m_superFastAckTimeoutEvent.Cancel (); |
dd18bc29fc3c
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parents:
diff
changeset
|
268 |
oneRunning = true; |
dd18bc29fc3c
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parents:
diff
changeset
|
269 |
} |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
270 |
if (m_fastAckFailedTimeoutEvent.IsRunning ()) |
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parents:
diff
changeset
|
271 |
{ |
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parents:
diff
changeset
|
272 |
m_fastAckFailedTimeoutEvent.Cancel (); |
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parents:
diff
changeset
|
273 |
oneRunning = true; |
dd18bc29fc3c
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parents:
diff
changeset
|
274 |
} |
dd18bc29fc3c
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parents:
diff
changeset
|
275 |
if (m_ctsTimeoutEvent.IsRunning ()) |
dd18bc29fc3c
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parents:
diff
changeset
|
276 |
{ |
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parents:
diff
changeset
|
277 |
m_ctsTimeoutEvent.Cancel (); |
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parents:
diff
changeset
|
278 |
oneRunning = true; |
dd18bc29fc3c
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parents:
diff
changeset
|
279 |
} |
dd18bc29fc3c
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parents:
diff
changeset
|
280 |
if (m_sendCtsEvent.IsRunning ()) |
dd18bc29fc3c
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parents:
diff
changeset
|
281 |
{ |
dd18bc29fc3c
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parents:
diff
changeset
|
282 |
m_sendCtsEvent.Cancel (); |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
283 |
oneRunning = true; |
dd18bc29fc3c
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parents:
diff
changeset
|
284 |
} |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
285 |
if (m_sendAckEvent.IsRunning ()) |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
286 |
{ |
dd18bc29fc3c
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parents:
diff
changeset
|
287 |
m_sendAckEvent.Cancel (); |
dd18bc29fc3c
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parents:
diff
changeset
|
288 |
oneRunning = true; |
dd18bc29fc3c
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parents:
diff
changeset
|
289 |
} |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
290 |
if (m_sendDataEvent.IsRunning ()) |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
291 |
{ |
dd18bc29fc3c
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parents:
diff
changeset
|
292 |
m_sendDataEvent.Cancel (); |
dd18bc29fc3c
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parents:
diff
changeset
|
293 |
oneRunning = true; |
dd18bc29fc3c
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parents:
diff
changeset
|
294 |
} |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
295 |
if (m_waitSifsEvent.IsRunning ()) |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
296 |
{ |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
297 |
m_waitSifsEvent.Cancel (); |
dd18bc29fc3c
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parents:
diff
changeset
|
298 |
oneRunning = true; |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
299 |
} |
dd18bc29fc3c
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
300 |
if (oneRunning && m_listener != 0) |
dd18bc29fc3c
add MacLow to build
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parents:
diff
changeset
|
301 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
302 |
m_listener->Cancel (); |
2286
3704959cf153
ensure m_listener is initialized properly
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2268
diff
changeset
|
303 |
m_listener = 0; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
304 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
305 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
306 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
307 |
void |
2054
ba8e810bae4c
derive WifiPhy from Object and manage it with a Ptr<>
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2024
diff
changeset
|
308 |
MacLow::SetPhy (Ptr<WifiPhy> phy) |
1922
dd18bc29fc3c
add MacLow to build
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parents:
diff
changeset
|
309 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
310 |
m_phy = phy; |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
311 |
m_phy->SetReceiveOkCallback (MakeCallback (&MacLow::ReceiveOk, this)); |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
312 |
m_phy->SetReceiveErrorCallback (MakeCallback (&MacLow::ReceiveError, this)); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
313 |
} |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
314 |
void |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
315 |
MacLow::SetMac (Ptr<WifiMac> mac) |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
316 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
317 |
m_mac = mac; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
318 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
319 |
void |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
320 |
MacLow::SetWifiRemoteStationManager (Ptr<WifiRemoteStationManager> manager) |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
321 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
322 |
m_stationManager = manager; |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
323 |
} |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
324 |
Ptr<WifiMac> |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
325 |
MacLow::GetMac (void) |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
326 |
{ |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
327 |
return m_mac; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
328 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
329 |
void |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
330 |
MacLow::SetRxCallback (Callback<void,Ptr<Packet>,const WifiMacHeader *> callback) |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
331 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
332 |
m_rxCallback = callback; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
333 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
334 |
void |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
335 |
MacLow::RegisterNavListener (MacLowNavListener *listener) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
336 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
337 |
m_navListeners.push_back (listener); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
338 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
339 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
340 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
341 |
void |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
342 |
MacLow::StartTransmission (Ptr<const Packet> packet, |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
343 |
WifiMacHeader const*hdr, |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
344 |
MacLowTransmissionParameters parameters, |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
345 |
MacLowTransmissionListener *listener) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
346 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
347 |
/* m_currentPacket is not NULL because someone started |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
348 |
* a transmission and was interrupted before one of: |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
349 |
* - ctsTimeout |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
350 |
* - sendDataAfterCTS |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
351 |
* expired. This means that one of these timers is still |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
352 |
* running. They are all cancelled below anyway by the |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
353 |
* call to CancelAllEvents (because of at least one |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
354 |
* of these two timer) which will trigger a call to the |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
355 |
* previous listener's cancel method. |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
356 |
* |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
357 |
* This typically happens because the high-priority |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
358 |
* QapScheduler has taken access to the channel from |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
359 |
* one of the Edca of the QAP. |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
360 |
*/ |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
361 |
m_currentPacket = packet->Copy (); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
362 |
m_currentHdr = *hdr; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
363 |
CancelAllEvents (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
364 |
m_listener = listener; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
365 |
m_txParams = parameters; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
366 |
|
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
367 |
//NS_ASSERT (m_phy->IsStateIdle ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
368 |
|
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
369 |
MY_DEBUG ("startTx size="<< GetSize (m_currentPacket, &m_currentHdr) << |
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
370 |
", to=" << m_currentHdr.GetAddr1()<<", listener="<<m_listener); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
371 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
372 |
if (m_txParams.MustSendRts ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
373 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
374 |
SendRtsForPacket (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
375 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
376 |
else |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
377 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
378 |
SendDataPacket (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
379 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
380 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
381 |
/* When this method completes, we have taken ownership of the medium. */ |
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
382 |
NS_ASSERT (m_phy->IsStateTx ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
383 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
384 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
385 |
void |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
386 |
MacLow::ReceiveError (Ptr<Packet> packet, double rxSnr) |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
387 |
{ |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
388 |
MY_DEBUG ("rx failed "); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
389 |
if (m_txParams.MustWaitFastAck ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
390 |
{ |
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
391 |
NS_ASSERT (m_fastAckFailedTimeoutEvent.IsExpired ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
392 |
m_fastAckFailedTimeoutEvent = Simulator::Schedule (GetSifs (), |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
393 |
&MacLow::FastAckFailedTimeout, this); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
394 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
395 |
return; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
396 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
397 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
398 |
void |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
399 |
MacLow::ReceiveOk (Ptr<Packet> packet, double rxSnr, WifiMode txMode, WifiPreamble preamble) |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
400 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
401 |
/* A packet is received from the PHY. |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
402 |
* When we have handled this packet, |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
403 |
* we handle any packet present in the |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
404 |
* packet queue. |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
405 |
*/ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
406 |
WifiMacHeader hdr; |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
407 |
packet->RemoveHeader (hdr); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
408 |
|
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
409 |
bool isPrevNavZero = IsNavZero (); |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
410 |
MY_DEBUG ("duration/id=" << hdr.GetDuration ()); |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
411 |
NotifyNav (hdr, txMode, preamble); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
412 |
if (hdr.IsRts ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
413 |
{ |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
414 |
/* see section 9.2.5.7 802.11-1999 |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
415 |
* A STA that is addressed by an RTS frame shall transmit a CTS frame after a SIFS |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
416 |
* period if the NAV at the STA receiving the RTS frame indicates that the medium is |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
417 |
* idle. If the NAV at the STA receiving the RTS indicates the medium is not idle, |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
418 |
* that STA shall not respond to the RTS frame. |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
419 |
*/ |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
420 |
if (isPrevNavZero && |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
421 |
hdr.GetAddr1 () == m_mac->GetAddress ()) |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
422 |
{ |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
423 |
MY_DEBUG ("rx RTS from=" << hdr.GetAddr2 () << ", schedule CTS"); |
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
424 |
NS_ASSERT (m_sendCtsEvent.IsExpired ()); |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
425 |
WifiRemoteStation *station = GetStation (hdr.GetAddr2 ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
426 |
station->ReportRxOk (rxSnr, txMode); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
427 |
m_sendCtsEvent = Simulator::Schedule (GetSifs (), |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
428 |
&MacLow::SendCtsAfterRts, this, |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
429 |
hdr.GetAddr2 (), |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
430 |
hdr.GetDuration (), |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
431 |
txMode, |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
432 |
rxSnr); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
433 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
434 |
else |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
435 |
{ |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
436 |
MY_DEBUG ("rx RTS from=" << hdr.GetAddr2 () << ", cannot schedule CTS"); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
437 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
438 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
439 |
else if (hdr.IsCts () && |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
440 |
hdr.GetAddr1 () == m_mac->GetAddress () && |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
441 |
m_ctsTimeoutEvent.IsRunning () && |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
442 |
m_currentPacket != 0) |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
443 |
{ |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
444 |
MY_DEBUG ("receive cts from="<<m_currentHdr.GetAddr1 ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
445 |
SnrTag tag; |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
446 |
packet->PeekTag (tag); |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
447 |
WifiRemoteStation *station = GetStation (m_currentHdr.GetAddr1 ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
448 |
station->ReportRxOk (rxSnr, txMode); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
449 |
station->ReportRtsOk (rxSnr, txMode, tag.Get ()); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
450 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
451 |
m_ctsTimeoutEvent.Cancel (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
452 |
m_listener->GotCts (rxSnr, txMode); |
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
453 |
NS_ASSERT (m_sendDataEvent.IsExpired ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
454 |
m_sendDataEvent = Simulator::Schedule (GetSifs (), |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
455 |
&MacLow::SendDataAfterCts, this, |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
456 |
hdr.GetAddr1 (), |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
457 |
hdr.GetDuration (), |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
458 |
txMode); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
459 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
460 |
else if (hdr.IsAck () && |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
461 |
hdr.GetAddr1 () == m_mac->GetAddress () && |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
462 |
(m_normalAckTimeoutEvent.IsRunning () || |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
463 |
m_fastAckTimeoutEvent.IsRunning () || |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
464 |
m_superFastAckTimeoutEvent.IsRunning ()) && |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
465 |
m_txParams.MustWaitAck ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
466 |
{ |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
467 |
MY_DEBUG ("receive ack from="<<m_currentHdr.GetAddr1 ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
468 |
SnrTag tag; |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
469 |
packet->PeekTag (tag); |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
470 |
WifiRemoteStation *station = GetStation (m_currentHdr.GetAddr1 ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
471 |
station->ReportRxOk (rxSnr, txMode); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
472 |
station->ReportDataOk (rxSnr, txMode, tag.Get ()); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
473 |
bool gotAck = false; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
474 |
if (m_txParams.MustWaitNormalAck () && |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
475 |
m_normalAckTimeoutEvent.IsRunning ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
476 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
477 |
m_normalAckTimeoutEvent.Cancel (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
478 |
gotAck = true; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
479 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
480 |
if (m_txParams.MustWaitFastAck () && |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
481 |
m_fastAckTimeoutEvent.IsRunning ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
482 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
483 |
m_fastAckTimeoutEvent.Cancel (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
484 |
gotAck = true; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
485 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
486 |
if (gotAck) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
487 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
488 |
m_listener->GotAck (rxSnr, txMode); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
489 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
490 |
if (m_txParams.HasNextPacket ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
491 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
492 |
m_waitSifsEvent = Simulator::Schedule (GetSifs (), |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
493 |
&MacLow::WaitSifsAfterEndTx, this); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
494 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
495 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
496 |
else if (hdr.IsCtl ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
497 |
{ |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
498 |
MY_DEBUG ("rx drop " << hdr.GetTypeString ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
499 |
} |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
500 |
else if (hdr.GetAddr1 () == m_mac->GetAddress ()) |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
501 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
502 |
WifiRemoteStation *station = GetStation (hdr.GetAddr2 ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
503 |
station->ReportRxOk (rxSnr, txMode); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
504 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
505 |
if (hdr.IsQosData () && hdr.IsQosNoAck ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
506 |
{ |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
507 |
MY_DEBUG ("rx unicast/noAck from="<<hdr.GetAddr2 ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
508 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
509 |
else if (hdr.IsData () || hdr.IsMgt ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
510 |
{ |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
511 |
MY_DEBUG ("rx unicast/sendAck from=" << hdr.GetAddr2 ()); |
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
512 |
NS_ASSERT (m_sendAckEvent.IsExpired ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
513 |
m_sendAckEvent = Simulator::Schedule (GetSifs (), |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
514 |
&MacLow::SendAckAfterData, this, |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
515 |
hdr.GetAddr2 (), |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
516 |
hdr.GetDuration (), |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
517 |
txMode, |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
518 |
rxSnr); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
519 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
520 |
goto rxPacket; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
521 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
522 |
else if (hdr.GetAddr1 ().IsBroadcast ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
523 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
524 |
if (hdr.IsData () || hdr.IsMgt ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
525 |
{ |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
526 |
MY_DEBUG ("rx broadcast from=" << hdr.GetAddr2 ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
527 |
goto rxPacket; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
528 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
529 |
else |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
530 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
531 |
// DROP. |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
532 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
533 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
534 |
else |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
535 |
{ |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
536 |
//MY_DEBUG_VERBOSE ("rx not-for-me from %d", GetSource (packet)); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
537 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
538 |
return; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
539 |
rxPacket: |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
540 |
WifiMacTrailer fcs; |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
541 |
packet->RemoveTrailer (fcs); |
1964
041240a915f8
build and link
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1928
diff
changeset
|
542 |
m_rxCallback (packet, &hdr); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
543 |
return; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
544 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
545 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
546 |
uint32_t |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
547 |
MacLow::GetAckSize (void) const |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
548 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
549 |
WifiMacHeader ack; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
550 |
ack.SetType (WIFI_MAC_CTL_ACK); |
1996
454a63cf6549
cts, rts, and ack sizes must take into account fcs padding
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1993
diff
changeset
|
551 |
return ack.GetSize () + 4; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
552 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
553 |
uint32_t |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
554 |
MacLow::GetRtsSize (void) const |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
555 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
556 |
WifiMacHeader rts; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
557 |
rts.SetType (WIFI_MAC_CTL_RTS); |
1996
454a63cf6549
cts, rts, and ack sizes must take into account fcs padding
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1993
diff
changeset
|
558 |
return rts.GetSize () + 4; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
559 |
} |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
560 |
Time |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
561 |
MacLow::GetAckDuration (Mac48Address to, WifiMode dataTxMode) const |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
562 |
{ |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
563 |
WifiMode ackMode = GetAckTxModeForData (to, dataTxMode); |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
564 |
return m_phy->CalculateTxDuration (GetAckSize (), ackMode, WIFI_PREAMBLE_LONG); |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
565 |
} |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
566 |
Time |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
567 |
MacLow::GetCtsDuration (Mac48Address to, WifiMode rtsTxMode) const |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
568 |
{ |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
569 |
WifiMode ctsMode = GetCtsTxModeForRts (to, rtsTxMode); |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
570 |
return m_phy->CalculateTxDuration (GetCtsSize (), ctsMode, WIFI_PREAMBLE_LONG); |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
571 |
} |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
572 |
uint32_t |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
573 |
MacLow::GetCtsSize (void) const |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
574 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
575 |
WifiMacHeader cts; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
576 |
cts.SetType (WIFI_MAC_CTL_CTS); |
1996
454a63cf6549
cts, rts, and ack sizes must take into account fcs padding
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1993
diff
changeset
|
577 |
return cts.GetSize () + 4; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
578 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
579 |
Time |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
580 |
MacLow::GetSifs (void) const |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
581 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
582 |
return m_mac->GetSifs (); |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
583 |
} |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
584 |
Time |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
585 |
MacLow::GetSlotTime (void) const |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
586 |
{ |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
587 |
return m_mac->GetSlot (); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
588 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
589 |
Time |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
590 |
MacLow::GetPifs (void) const |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
591 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
592 |
return m_mac->GetPifs (); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
593 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
594 |
Time |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
595 |
MacLow::GetAckTimeout (void) const |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
596 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
597 |
return m_mac->GetAckTimeout (); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
598 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
599 |
Time |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
600 |
MacLow::GetCtsTimeout (void) const |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
601 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
602 |
return m_mac->GetCtsTimeout (); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
603 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
604 |
uint32_t |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
605 |
MacLow::GetSize (Ptr<const Packet> packet, const WifiMacHeader *hdr) const |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
606 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
607 |
WifiMacTrailer fcs; |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
608 |
return packet->GetSize () + hdr->GetSize () + fcs.GetSerializedSize (); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
609 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
610 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
611 |
WifiMode |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
612 |
MacLow::GetRtsTxMode (Ptr<const Packet> packet, const WifiMacHeader *hdr) const |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
613 |
{ |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
614 |
Mac48Address to = hdr->GetAddr1 (); |
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
615 |
return GetStation (to)->GetRtsMode (packet); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
616 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
617 |
WifiMode |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
618 |
MacLow::GetDataTxMode (Ptr<const Packet> packet, const WifiMacHeader *hdr) const |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
619 |
{ |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
620 |
Mac48Address to = hdr->GetAddr1 (); |
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
621 |
WifiMacTrailer fcs; |
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
622 |
uint32_t size = packet->GetSize () + hdr->GetSize () + fcs.GetSerializedSize (); |
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
623 |
return GetStation (to)->GetDataMode (packet, size); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
624 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
625 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
626 |
WifiMode |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
627 |
MacLow::GetCtsTxModeForRts (Mac48Address to, WifiMode rtsTxMode) const |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
628 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
629 |
return GetStation (to)->GetCtsMode (rtsTxMode); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
630 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
631 |
WifiMode |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
632 |
MacLow::GetAckTxModeForData (Mac48Address to, WifiMode dataTxMode) const |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
633 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
634 |
return GetStation (to)->GetAckMode (dataTxMode); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
635 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
636 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
637 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
638 |
Time |
2268
0e57ac711220
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
639 |
MacLow::CalculateOverallTxTime (Ptr<const Packet> packet, |
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
640 |
WifiMacHeader const*hdr, |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
641 |
MacLowTransmissionParameters const& params) const |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
642 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
643 |
Time txTime = Seconds (0); |
2268
0e57ac711220
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
644 |
WifiMode rtsMode = GetRtsTxMode (packet, hdr); |
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
645 |
WifiMode dataMode = GetDataTxMode (packet, hdr); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
646 |
if (params.MustSendRts ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
647 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
648 |
txTime += m_phy->CalculateTxDuration (GetRtsSize (), rtsMode, WIFI_PREAMBLE_LONG); |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
649 |
txTime += GetCtsDuration (hdr->GetAddr1 (), rtsMode); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
650 |
txTime += GetSifs () * Scalar (2); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
651 |
} |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
652 |
uint32_t dataSize = GetSize (packet, hdr); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
653 |
txTime += m_phy->CalculateTxDuration (dataSize, dataMode, WIFI_PREAMBLE_LONG); |
1996
454a63cf6549
cts, rts, and ack sizes must take into account fcs padding
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1993
diff
changeset
|
654 |
if (params.MustWaitAck ()) |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
655 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
656 |
txTime += GetSifs (); |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
657 |
txTime += GetAckDuration (hdr->GetAddr1 (), dataMode); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
658 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
659 |
return txTime; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
660 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
661 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
662 |
Time |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
663 |
MacLow::CalculateTransmissionTime (Ptr<const Packet> packet, |
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
664 |
WifiMacHeader const*hdr, |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
665 |
MacLowTransmissionParameters const& params) const |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
666 |
{ |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
667 |
Time txTime = CalculateOverallTxTime (packet, hdr, params); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
668 |
if (params.HasNextPacket ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
669 |
{ |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
670 |
WifiMode dataMode = GetDataTxMode (packet, hdr); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
671 |
txTime += GetSifs (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
672 |
txTime += m_phy->CalculateTxDuration (params.GetNextPacketSize (), dataMode, WIFI_PREAMBLE_LONG); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
673 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
674 |
return txTime; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
675 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
676 |
|
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
677 |
void |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
678 |
MacLow::NotifyNav (const WifiMacHeader &hdr, WifiMode txMode, WifiPreamble preamble) |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
679 |
{ |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
680 |
NS_ASSERT (m_lastNavStart <= Simulator::Now ()); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
681 |
Time duration = hdr.GetDuration (); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
682 |
|
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
683 |
if (hdr.IsCfpoll () && |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
684 |
hdr.GetAddr2 () == m_mac->GetBssid ()) |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
685 |
{ |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
686 |
// see section 9.3.2.2 802.11-1999 |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
687 |
DoNavResetNow (duration); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
688 |
return; |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
689 |
} |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
690 |
// XXX Note that we should also handle CF_END specially here |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
691 |
// but we don't for now because we do not generate them. |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
692 |
else if (hdr.GetAddr1 () != m_mac->GetAddress ()) |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
693 |
{ |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
694 |
// see section 9.2.5.4 802.11-1999 |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
695 |
bool navUpdated = DoNavStartNow (duration); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
696 |
if (hdr.IsRts () && navUpdated) |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
697 |
{ |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
698 |
/** |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
699 |
* A STA that used information from an RTS frame as the most recent basis to update its NAV setting |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
700 |
* is permitted to reset its NAV if no PHY-RXSTART.indication is detected from the PHY during a |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
701 |
* period with a duration of (2 * aSIFSTime) + (CTS_Time) + (2 * aSlotTime) starting at the |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
702 |
* PHY-RXEND.indication corresponding to the detection of the RTS frame. The “CTS_Time” shall |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
703 |
* be calculated using the length of the CTS frame and the data rate at which the RTS frame |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
704 |
* used for the most recent NAV update was received. |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
705 |
*/ |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
706 |
WifiMacHeader cts; |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
707 |
cts.SetType (WIFI_MAC_CTL_CTS); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
708 |
Time navCounterResetCtsMissedDelay = |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
709 |
m_phy->CalculateTxDuration (cts.GetSerializedSize (), txMode, preamble) + |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
710 |
Scalar (2) * GetSifs () + Scalar (2) * GetSlotTime (); |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
711 |
m_navCounterResetCtsMissed = Simulator::Schedule (navCounterResetCtsMissedDelay, |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
712 |
&MacLow::NavCounterResetCtsMissed, this, |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
713 |
Simulator::Now ()); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
714 |
} |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
715 |
} |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
716 |
} |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
717 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
718 |
void |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
719 |
MacLow::NavCounterResetCtsMissed (Time rtsEndRxTime) |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
720 |
{ |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
721 |
if (m_phy->GetLastRxStartTime () > rtsEndRxTime) |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
722 |
{ |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
723 |
DoNavResetNow (Seconds (0.0)); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
724 |
} |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
725 |
} |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
726 |
|
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
727 |
void |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
728 |
MacLow::DoNavResetNow (Time duration) |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
729 |
{ |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
730 |
for (NavListenersCI i = m_navListeners.begin (); i != m_navListeners.end (); i++) |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
731 |
{ |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
732 |
(*i)->NavReset (duration); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
733 |
} |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
734 |
m_lastNavStart = Simulator::Now (); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
735 |
m_lastNavStart = duration; |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
736 |
} |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
737 |
bool |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
738 |
MacLow::DoNavStartNow (Time duration) |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
739 |
{ |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
740 |
for (NavListenersCI i = m_navListeners.begin (); i != m_navListeners.end (); i++) |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
741 |
{ |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
742 |
(*i)->NavStart (duration); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
743 |
} |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
744 |
Time newNavEnd = Simulator::Now () + duration; |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
745 |
Time oldNavEnd = m_lastNavStart + m_lastNavDuration; |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
746 |
if (newNavEnd > oldNavEnd) |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
747 |
{ |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
748 |
m_lastNavStart = Simulator::Now (); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
749 |
m_lastNavDuration = duration; |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
750 |
return true; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
751 |
} |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
752 |
return false; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
753 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
754 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
755 |
void |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
756 |
MacLow::ForwardDown (Ptr<const Packet> packet, WifiMacHeader const* hdr, |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
757 |
WifiMode txMode) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
758 |
{ |
2023
df3bd08f1173
simplify logging output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2022
diff
changeset
|
759 |
MY_DEBUG ("send " << hdr->GetTypeString () << |
df3bd08f1173
simplify logging output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2022
diff
changeset
|
760 |
", to=" << hdr->GetAddr1 () << |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
761 |
", size=" << packet->GetSize () << |
2023
df3bd08f1173
simplify logging output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2022
diff
changeset
|
762 |
", mode=" << txMode << |
df3bd08f1173
simplify logging output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2022
diff
changeset
|
763 |
", duration=" << hdr->GetDuration () << |
df3bd08f1173
simplify logging output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2022
diff
changeset
|
764 |
", seq=0x"<< std::hex << m_currentHdr.GetSequenceControl () << std::dec); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
765 |
m_phy->SendPacket (packet, txMode, WIFI_PREAMBLE_LONG, 0); |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
766 |
/* |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
767 |
* We have to notify the NAV of transmitted packets because of the 802.11e |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
768 |
* requirement from section 9.9.1.4 that each EDCAF update its NAV from the |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
769 |
* transmission of any other EDCAF within the same QSTA. |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
770 |
*/ |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
771 |
Time txDuration = m_phy->CalculateTxDuration (packet->GetSize (), txMode, WIFI_PREAMBLE_LONG); |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
772 |
Simulator::Schedule (txDuration, &MacLow::NotifyNav, this, *hdr, txMode, WIFI_PREAMBLE_LONG); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
773 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
774 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
775 |
void |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
776 |
MacLow::CtsTimeout (void) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
777 |
{ |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
778 |
MY_DEBUG ("cts timeout"); |
2136
46315cd94b6f
add XXX for two bugs
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
779 |
// XXX: should check that there was no rx start before now. |
46315cd94b6f
add XXX for two bugs
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
780 |
// we should restart a new cts timeout now until the expected |
46315cd94b6f
add XXX for two bugs
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
781 |
// end of rx if there was a rx start before now. |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
782 |
WifiRemoteStation *station = GetStation (m_currentHdr.GetAddr1 ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
783 |
station->ReportRtsFailed (); |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
784 |
m_currentPacket = 0; |
2088
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
785 |
MacLowTransmissionListener *listener = m_listener; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
786 |
m_listener = 0; |
2088
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
787 |
listener->MissedCts (); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
788 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
789 |
void |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
790 |
MacLow::NormalAckTimeout (void) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
791 |
{ |
2088
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
792 |
MY_DEBUG ("normal ack timeout"); |
2136
46315cd94b6f
add XXX for two bugs
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
793 |
// XXX: should check that there was no rx start before now. |
46315cd94b6f
add XXX for two bugs
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
794 |
// we should restart a new ack timeout now until the expected |
46315cd94b6f
add XXX for two bugs
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
795 |
// end of rx if there was a rx start before now. |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
796 |
WifiRemoteStation *station = GetStation (m_currentHdr.GetAddr1 ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
797 |
station->ReportDataFailed (); |
2088
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
798 |
MacLowTransmissionListener *listener = m_listener; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
799 |
m_listener = 0; |
2088
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
800 |
listener->MissedAck (); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
801 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
802 |
void |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
803 |
MacLow::FastAckTimeout (void) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
804 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
805 |
WifiRemoteStation *station = GetStation (m_currentHdr.GetAddr1 ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
806 |
station->ReportDataFailed (); |
2088
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
807 |
MacLowTransmissionListener *listener = m_listener; |
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
808 |
m_listener = 0; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
809 |
if (m_phy->IsStateIdle ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
810 |
{ |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
811 |
MY_DEBUG ("fast Ack idle missed"); |
2088
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
812 |
listener->MissedAck (); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
813 |
} |
2088
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
814 |
else |
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
815 |
{ |
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
816 |
MY_DEBUG ("fast Ack ok"); |
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
817 |
} |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
818 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
819 |
void |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
820 |
MacLow::SuperFastAckTimeout () |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
821 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
822 |
WifiRemoteStation *station = GetStation (m_currentHdr.GetAddr1 ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
823 |
station->ReportDataFailed (); |
2088
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
824 |
MacLowTransmissionListener *listener = m_listener; |
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
825 |
m_listener = 0; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
826 |
if (m_phy->IsStateIdle ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
827 |
{ |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
828 |
MY_DEBUG ("super fast Ack failed"); |
2088
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
829 |
listener->MissedAck (); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
830 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
831 |
else |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
832 |
{ |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
833 |
MY_DEBUG ("super fast Ack ok"); |
2088
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
834 |
listener->GotAck (0.0, WifiMode ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
835 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
836 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
837 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
838 |
void |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
839 |
MacLow::SendRtsForPacket (void) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
840 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
841 |
/* send an RTS for this packet. */ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
842 |
WifiMacHeader rts; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
843 |
rts.SetType (WIFI_MAC_CTL_RTS); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
844 |
rts.SetDsNotFrom (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
845 |
rts.SetDsNotTo (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
846 |
rts.SetAddr1 (m_currentHdr.GetAddr1 ()); |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
847 |
rts.SetAddr2 (m_mac->GetAddress ()); |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
848 |
WifiMode rtsTxMode = GetRtsTxMode (m_currentPacket, &m_currentHdr); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
849 |
Time duration = Seconds (0); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
850 |
if (m_txParams.HasDurationId ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
851 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
852 |
duration += m_txParams.GetDurationId (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
853 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
854 |
else |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
855 |
{ |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
856 |
WifiMode dataTxMode = GetDataTxMode (m_currentPacket, &m_currentHdr); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
857 |
duration += GetSifs (); |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
858 |
duration += GetCtsDuration (m_currentHdr.GetAddr1 (), rtsTxMode); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
859 |
duration += GetSifs (); |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
860 |
duration += m_phy->CalculateTxDuration (GetSize (m_currentPacket, &m_currentHdr), |
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
861 |
dataTxMode, WIFI_PREAMBLE_LONG); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
862 |
duration += GetSifs (); |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
863 |
duration += GetAckDuration (m_currentHdr.GetAddr1 (), dataTxMode); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
864 |
} |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
865 |
rts.SetDuration (duration); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
866 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
867 |
Time txDuration = m_phy->CalculateTxDuration (GetRtsSize (), rtsTxMode, WIFI_PREAMBLE_LONG); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
868 |
Time timerDelay = txDuration + GetCtsTimeout (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
869 |
|
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
870 |
NS_ASSERT (m_ctsTimeoutEvent.IsExpired ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
871 |
m_ctsTimeoutEvent = Simulator::Schedule (timerDelay, &MacLow::CtsTimeout, this); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
872 |
|
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
873 |
Ptr<Packet> packet = Create<Packet> (); |
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
874 |
packet->AddHeader (rts); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
875 |
WifiMacTrailer fcs; |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
876 |
packet->AddTrailer (fcs); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
877 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
878 |
ForwardDown (packet, &rts, rtsTxMode); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
879 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
880 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
881 |
void |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
882 |
MacLow::StartDataTxTimers (void) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
883 |
{ |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
884 |
WifiMode dataTxMode = GetDataTxMode (m_currentPacket, &m_currentHdr); |
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
885 |
Time txDuration = m_phy->CalculateTxDuration (GetSize (m_currentPacket, &m_currentHdr), dataTxMode, WIFI_PREAMBLE_LONG); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
886 |
if (m_txParams.MustWaitNormalAck ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
887 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
888 |
Time timerDelay = txDuration + GetAckTimeout (); |
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
889 |
NS_ASSERT (m_normalAckTimeoutEvent.IsExpired ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
890 |
m_normalAckTimeoutEvent = Simulator::Schedule (timerDelay, &MacLow::NormalAckTimeout, this); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
891 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
892 |
else if (m_txParams.MustWaitFastAck ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
893 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
894 |
Time timerDelay = txDuration + GetPifs (); |
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
895 |
NS_ASSERT (m_fastAckTimeoutEvent.IsExpired ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
896 |
m_fastAckTimeoutEvent = Simulator::Schedule (timerDelay, &MacLow::FastAckTimeout, this); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
897 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
898 |
else if (m_txParams.MustWaitSuperFastAck ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
899 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
900 |
Time timerDelay = txDuration + GetPifs (); |
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
901 |
NS_ASSERT (m_superFastAckTimeoutEvent.IsExpired ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
902 |
m_superFastAckTimeoutEvent = Simulator::Schedule (timerDelay, |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
903 |
&MacLow::SuperFastAckTimeout, this); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
904 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
905 |
else if (m_txParams.HasNextPacket ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
906 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
907 |
Time delay = txDuration + GetSifs (); |
1974
0d6b3bead74a
replace cassert by ns3/assert.h
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
908 |
NS_ASSERT (m_waitSifsEvent.IsExpired ()); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
909 |
m_waitSifsEvent = Simulator::Schedule (delay, &MacLow::WaitSifsAfterEndTx, this); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
910 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
911 |
else |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
912 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
913 |
// since we do not expect any timer to be triggered. |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
914 |
m_listener = 0; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
915 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
916 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
917 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
918 |
void |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
919 |
MacLow::SendDataPacket (void) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
920 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
921 |
/* send this packet directly. No RTS is needed. */ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
922 |
StartDataTxTimers (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
923 |
|
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
924 |
WifiMode dataTxMode = GetDataTxMode (m_currentPacket, &m_currentHdr); |
2163
03fe5e8740dc
fix a small style issue
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2159
diff
changeset
|
925 |
Time duration = Seconds (0.0); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
926 |
if (m_txParams.HasDurationId ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
927 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
928 |
duration += m_txParams.GetDurationId (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
929 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
930 |
else |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
931 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
932 |
if (m_txParams.MustWaitAck ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
933 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
934 |
duration += GetSifs (); |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
935 |
duration += GetAckDuration (m_currentHdr.GetAddr1 (), dataTxMode); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
936 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
937 |
if (m_txParams.HasNextPacket ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
938 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
939 |
duration += GetSifs (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
940 |
duration += m_phy->CalculateTxDuration (m_txParams.GetNextPacketSize (), |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
941 |
dataTxMode, WIFI_PREAMBLE_LONG); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
942 |
if (m_txParams.MustWaitAck ()) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
943 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
944 |
duration += GetSifs (); |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
945 |
duration += GetAckDuration (m_currentHdr.GetAddr1 (), dataTxMode); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
946 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
947 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
948 |
} |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
949 |
m_currentHdr.SetDuration (duration); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
950 |
|
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
951 |
m_currentPacket->AddHeader (m_currentHdr); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
952 |
WifiMacTrailer fcs; |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
953 |
m_currentPacket->AddTrailer (fcs); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
954 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
955 |
ForwardDown (m_currentPacket, &m_currentHdr, dataTxMode); |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
956 |
m_currentPacket = 0; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
957 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
958 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
959 |
bool |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2088
diff
changeset
|
960 |
MacLow::IsNavZero (void) const |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
961 |
{ |
2177
d2d60d000963
the check was not really inverted after all. Damned.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2176
diff
changeset
|
962 |
if (m_lastNavStart + m_lastNavDuration < Simulator::Now ()) |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
963 |
{ |
2172
eb1adef495b6
the bool check was inverted. reported by Federico Maguolo.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2163
diff
changeset
|
964 |
return true; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
965 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
966 |
else |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
967 |
{ |
2172
eb1adef495b6
the bool check was inverted. reported by Federico Maguolo.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2163
diff
changeset
|
968 |
return false; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
969 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
970 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
971 |
|
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
972 |
WifiRemoteStation * |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
973 |
MacLow::GetStation (Mac48Address ad) const |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
974 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2508
diff
changeset
|
975 |
return m_stationManager->Lookup (ad); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
976 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
977 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
978 |
void |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
979 |
MacLow::SendCtsAfterRts (Mac48Address source, Time duration, WifiMode rtsTxMode, double rtsSnr) |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
980 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
981 |
/* send a CTS when you receive a RTS |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
982 |
* right after SIFS. |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
983 |
*/ |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
984 |
WifiMode ctsTxMode = GetCtsTxModeForRts (source, rtsTxMode); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
985 |
WifiMacHeader cts; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
986 |
cts.SetType (WIFI_MAC_CTL_CTS); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
987 |
cts.SetDsNotFrom (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
988 |
cts.SetDsNotTo (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
989 |
cts.SetAddr1 (source); |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
990 |
duration -= GetCtsDuration (source, rtsTxMode); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
991 |
duration -= GetSifs (); |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
992 |
NS_ASSERT (duration >= MicroSeconds (0)); |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
993 |
cts.SetDuration (duration); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
994 |
|
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
995 |
Ptr<Packet> packet = Create<Packet> (); |
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
996 |
packet->AddHeader (cts); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
997 |
WifiMacTrailer fcs; |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
998 |
packet->AddTrailer (fcs); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
999 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1000 |
struct SnrTag tag; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1001 |
tag.Set (rtsSnr); |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
1002 |
packet->AddTag (tag); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1003 |
|
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
1004 |
ForwardDown (packet, &cts, ctsTxMode); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1005 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1006 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1007 |
void |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1008 |
MacLow::SendDataAfterCts (Mac48Address source, Time duration, WifiMode txMode) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1009 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1010 |
/* send the third step in a |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1011 |
* RTS/CTS/DATA/ACK hanshake |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1012 |
*/ |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
1013 |
NS_ASSERT (m_currentPacket != 0); |
2176
8a8305b75bed
make sure we never set a negative duration
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2172
diff
changeset
|
1014 |
StartDataTxTimers (); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1015 |
|
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
1016 |
WifiMode dataTxMode = GetDataTxMode (m_currentPacket, &m_currentHdr); |
2176
8a8305b75bed
make sure we never set a negative duration
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2172
diff
changeset
|
1017 |
Time newDuration = Seconds (0); |
8a8305b75bed
make sure we never set a negative duration
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2172
diff
changeset
|
1018 |
newDuration += GetSifs (); |
8a8305b75bed
make sure we never set a negative duration
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2172
diff
changeset
|
1019 |
newDuration += GetAckDuration (m_currentHdr.GetAddr1 (), dataTxMode); |
2268
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
1020 |
Time txDuration = m_phy->CalculateTxDuration (GetSize (m_currentPacket, &m_currentHdr), |
0e57ac711220
introduce a low latency parameter for rate control algorithms
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2177
diff
changeset
|
1021 |
dataTxMode, WIFI_PREAMBLE_LONG); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1022 |
duration -= txDuration; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1023 |
duration -= GetSifs (); |
2176
8a8305b75bed
make sure we never set a negative duration
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2172
diff
changeset
|
1024 |
|
8a8305b75bed
make sure we never set a negative duration
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2172
diff
changeset
|
1025 |
duration = std::max (duration, newDuration); |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
1026 |
NS_ASSERT (duration >= MicroSeconds (0)); |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
1027 |
m_currentHdr.SetDuration (duration); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1028 |
|
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
1029 |
m_currentPacket->AddHeader (m_currentHdr); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1030 |
WifiMacTrailer fcs; |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
1031 |
m_currentPacket->AddTrailer (fcs); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1032 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1033 |
ForwardDown (m_currentPacket, &m_currentHdr, dataTxMode); |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
1034 |
m_currentPacket = 0; |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1035 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1036 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1037 |
void |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1038 |
MacLow::WaitSifsAfterEndTx (void) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1039 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1040 |
m_listener->StartNext (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1041 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1042 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1043 |
void |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1044 |
MacLow::FastAckFailedTimeout (void) |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1045 |
{ |
2088
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
1046 |
MacLowTransmissionListener *listener = m_listener; |
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
1047 |
m_listener = 0; |
a651a0131bfe
make sure that m_listener is not reset to zero _after_ calling a user-provided callback. This allows the user-provided callback to set the m_listener member to a new value if it wants to start a new transmission
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2054
diff
changeset
|
1048 |
listener->MissedAck (); |
1993
e665fb7cea73
add time to debug output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1990
diff
changeset
|
1049 |
MY_DEBUG ("fast Ack busy but missed"); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1050 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1051 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1052 |
void |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
1053 |
MacLow::SendAckAfterData (Mac48Address source, Time duration, WifiMode dataTxMode, double dataSnr) |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1054 |
{ |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1055 |
/* send an ACK when you receive |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1056 |
* a packet after SIFS. |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1057 |
*/ |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
1058 |
WifiMode ackTxMode = GetAckTxModeForData (source, dataTxMode); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1059 |
WifiMacHeader ack; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1060 |
ack.SetType (WIFI_MAC_CTL_ACK); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1061 |
ack.SetDsNotFrom (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1062 |
ack.SetDsNotTo (); |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1063 |
ack.SetAddr1 (source); |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
1064 |
duration -= GetAckDuration (source, dataTxMode); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1065 |
duration -= GetSifs (); |
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
1066 |
NS_ASSERT (duration >= MicroSeconds (0)); |
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
1067 |
ack.SetDuration (duration); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1068 |
|
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
1069 |
Ptr<Packet> packet = Create<Packet> (); |
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
1070 |
packet->AddHeader (ack); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1071 |
WifiMacTrailer fcs; |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
1072 |
packet->AddTrailer (fcs); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1073 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1074 |
struct SnrTag tag; |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1075 |
tag.Set (dataSnr); |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2147
diff
changeset
|
1076 |
packet->AddTag (tag); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1077 |
|
2022
33579d27ce2a
try to simplify duration calculations
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1996
diff
changeset
|
1078 |
ForwardDown (packet, &ack, ackTxMode); |
1922
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1079 |
} |
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1080 |
|
dd18bc29fc3c
add MacLow to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
1081 |
} // namespace ns3 |