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| 39 |
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39 |
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| 40 |
/** |
40 |
/** |
| 41 |
* \defgroup point-to-point Point-To-Point Network Device |
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* \defgroup point-to-point Point-To-Point Network Device |
| 42 |
* This section documents the API of the ns-3 point-to-point module. For a generic functional description, please refer to the ns-3 manual. |
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* This section documents the API of the ns-3 point-to-point module. For a |
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* functional description, please refer to the ns-3 manual here: |
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* http://www.nsnam.org/docs/models/html/point-to-point.html |
| 45 |
* |
| 46 |
* Be sure to read the manual BEFORE going down to the API. |
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*/ |
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*/ |
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48 |
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| 45 |
/** |
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/** |
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| 54 |
* Key parameters or objects that can be specified for this device |
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* Key parameters or objects that can be specified for this device |
| 55 |
* include a queue, data rate, and interframe transmission gap (the |
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* include a queue, data rate, and interframe transmission gap (the |
| 56 |
* propagation delay is set in the PointToPointChannel). |
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* propagation delay is set in the PointToPointChannel). |
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* |
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* \see SetDataRate |
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* \see SetInterframeGap |
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* \see SetReceiveErrorModel |
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* |
| 57 |
*/ |
66 |
*/ |
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class PointToPointNetDevice : public NetDevice |
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class PointToPointNetDevice : public NetDevice |
| 59 |
{ |
68 |
{ |
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public: |
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public: |
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/** |
| 71 |
* \brief Get the TypeId |
| 72 |
* |
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* \return The TypeId for this class |
| 74 |
*/ |
| 61 |
static TypeId GetTypeId (void); |
75 |
static TypeId GetTypeId (void); |
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| 63 |
/** |
77 |
/** |
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| 81 |
* set in the Attach () method from the corresponding field in the channel |
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* set in the Attach () method from the corresponding field in the channel |
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* to which the device is attached. It can be overridden using this method. |
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* to which the device is attached. It can be overridden using this method. |
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* |
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* |
| 84 |
* @see Attach () |
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* \see Attach () |
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* @param bps the data rate at which this object operates |
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* \param bps the data rate at which this object operates |
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*/ |
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*/ |
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void SetDataRate (DataRate bps); |
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void SetDataRate (DataRate bps); |
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* Set the interframe gap used to separate packets. The interframe gap |
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* Set the interframe gap used to separate packets. The interframe gap |
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* defines the minimum space required between packets sent by this device. |
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* defines the minimum space required between packets sent by this device. |
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* |
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* |
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* @param t the interframe gap time |
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* \param t the interframe gap time |
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*/ |
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*/ |
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void SetInterframeGap (Time t); |
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void SetInterframeGap (Time t); |
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/** |
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/** |
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* Attach the device to a channel. |
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* Attach the device to a channel. |
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* |
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* |
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* @param ch Ptr to the channel to which this object is being attached. |
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* \param ch Ptr to the channel to which this object is being attached. |
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* \return true if the operation was successfull (always true actually) |
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*/ |
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*/ |
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bool Attach (Ptr<PointToPointChannel> ch); |
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bool Attach (Ptr<PointToPointChannel> ch); |
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* The PointToPointNetDevice "owns" a queue that implements a queueing |
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* The PointToPointNetDevice "owns" a queue that implements a queueing |
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* method such as DropTail or RED. |
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* method such as DropTail or RED. |
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* |
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* |
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* @see Queue |
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* \see Queue |
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* @see DropTailQueue |
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* \see DropTailQueue |
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* @param queue Ptr to the new queue. |
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* \param queue Ptr to the new queue. |
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*/ |
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*/ |
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void SetQueue (Ptr<Queue> queue); |
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void SetQueue (Ptr<Queue> queue); |
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/** |
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/** |
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* Get a copy of the attached Queue. |
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* Get a copy of the attached Queue. |
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* |
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* |
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* @returns Ptr to the queue. |
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* \returns Ptr to the queue. |
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*/ |
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*/ |
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Ptr<Queue> GetQueue (void) const; |
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Ptr<Queue> GetQueue (void) const; |
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* The PointToPointNetDevice may optionally include an ErrorModel in |
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* The PointToPointNetDevice may optionally include an ErrorModel in |
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* the packet receive chain. |
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* the packet receive chain. |
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* |
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* |
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* @see ErrorModel |
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* \see ErrorModel |
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* @param em Ptr to the ErrorModel. |
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* \param em Ptr to the ErrorModel. |
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*/ |
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*/ |
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void SetReceiveErrorModel (Ptr<ErrorModel> em); |
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void SetReceiveErrorModel (Ptr<ErrorModel> em); |
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* used by the channel to indicate that the last bit of a packet has |
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* used by the channel to indicate that the last bit of a packet has |
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* arrived at the device. |
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* arrived at the device. |
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* |
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* |
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* @see PointToPointChannel |
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* \see PointToPointChannel |
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* @param p Ptr to the received packet. |
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* \param p Ptr to the received packet. |
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*/ |
159 |
*/ |
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void Receive (Ptr<Packet> p); |
160 |
void Receive (Ptr<Packet> p); |
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virtual bool SupportsSendFrom (void) const; |
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virtual bool SupportsSendFrom (void) const; |
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protected: |
203 |
protected: |
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/** |
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* \brief Handler for MPI receive event |
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* |
| 207 |
* \param p Packet received |
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*/ |
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void DoMpiReceive (Ptr<Packet> p); |
209 |
void DoMpiReceive (Ptr<Packet> p); |
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private: |
211 |
private: |
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PointToPointNetDevice& operator = (const PointToPointNetDevice &); |
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/** |
| 194 |
PointToPointNetDevice (const PointToPointNetDevice &); |
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* \brief Assign operator |
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* |
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* The method is private, so it is DISABLED. |
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* |
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* \param o Other NetDevice |
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* \return New instance of the NetDevice |
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*/ |
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PointToPointNetDevice& operator = (const PointToPointNetDevice &o); |
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222 |
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/** |
| 224 |
* \brief Copy constructor |
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* |
| 226 |
* The method is private, so it is DISABLED. |
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* \param o Other NetDevice |
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*/ |
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PointToPointNetDevice (const PointToPointNetDevice &o); |
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/** |
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* \brief Dispose of the object |
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*/ |
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virtual void DoDispose (void); |
235 |
virtual void DoDispose (void); |
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236 |
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private: |
237 |
private: |
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* started sending signals. An event is scheduled for the time at which |
270 |
* started sending signals. An event is scheduled for the time at which |
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* the bits have been completely transmitted. |
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* the bits have been completely transmitted. |
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* |
272 |
* |
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* @see PointToPointChannel::TransmitStart () |
273 |
* \see PointToPointChannel::TransmitStart () |
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* @see TransmitCompleteEvent () |
274 |
* \see TransmitCompleteEvent () |
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* @param p a reference to the packet to send |
275 |
* \param p a reference to the packet to send |
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* @returns true if success, false on failure |
276 |
* \returns true if success, false on failure |
| 238 |
*/ |
277 |
*/ |
| 239 |
bool TransmitStart (Ptr<Packet> p); |
278 |
bool TransmitStart (Ptr<Packet> p); |
| 240 |
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279 |
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*/ |
285 |
*/ |
| 247 |
void TransmitComplete (void); |
286 |
void TransmitComplete (void); |
| 248 |
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287 |
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288 |
/** |
| 289 |
* \brief Make the link up and running |
| 290 |
* |
| 291 |
* It calls also the linkChange callback. |
| 292 |
*/ |
| 249 |
void NotifyLinkUp (void); |
293 |
void NotifyLinkUp (void); |
| 250 |
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294 |
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| 251 |
/** |
295 |
/** |
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}; |
302 |
}; |
| 259 |
/** |
303 |
/** |
| 260 |
* The state of the Net Device transmit state machine. |
304 |
* The state of the Net Device transmit state machine. |
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* @see TxMachineState |
305 |
* \see TxMachineState |
| 262 |
*/ |
306 |
*/ |
| 263 |
TxMachineState m_txMachineState; |
307 |
TxMachineState m_txMachineState; |
| 264 |
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308 |
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| 265 |
/** |
309 |
/** |
| 266 |
* The data rate that the Net Device uses to simulate packet transmission |
310 |
* The data rate that the Net Device uses to simulate packet transmission |
| 267 |
* timing. |
311 |
* timing. |
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* @see class DataRate |
312 |
* \see class DataRate |
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*/ |
313 |
*/ |
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DataRate m_bps; |
314 |
DataRate m_bps; |
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315 |
|
| 272 |
/** |
316 |
/** |
| 273 |
* The interframe gap that the Net Device uses to throttle packet |
317 |
* The interframe gap that the Net Device uses to throttle packet |
| 274 |
* transmission |
318 |
* transmission |
| 275 |
* @see class Time |
319 |
* \see class Time |
| 276 |
*/ |
320 |
*/ |
| 277 |
Time m_tInterframeGap; |
321 |
Time m_tInterframeGap; |
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322 |
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/** |
323 |
/** |
| 280 |
* The PointToPointChannel to which this PointToPointNetDevice has been |
324 |
* The PointToPointChannel to which this PointToPointNetDevice has been |
| 281 |
* attached. |
325 |
* attached. |
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* @see class PointToPointChannel |
326 |
* \see class PointToPointChannel |
| 283 |
*/ |
327 |
*/ |
| 284 |
Ptr<PointToPointChannel> m_channel; |
328 |
Ptr<PointToPointChannel> m_channel; |
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329 |
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* The Queue which this PointToPointNetDevice uses as a packet source. |
331 |
* The Queue which this PointToPointNetDevice uses as a packet source. |
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* Management of this Queue has been delegated to the PointToPointNetDevice |
332 |
* Management of this Queue has been delegated to the PointToPointNetDevice |
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* and it has the responsibility for deletion. |
333 |
* and it has the responsibility for deletion. |
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* @see class Queue |
334 |
* \see class Queue |
| 291 |
* @see class DropTailQueue |
335 |
* \see class DropTailQueue |
| 292 |
*/ |
336 |
*/ |
| 293 |
Ptr<Queue> m_queue; |
337 |
Ptr<Queue> m_queue; |
| 294 |
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338 |
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| 431 |
*/ |
475 |
*/ |
| 432 |
TracedCallback<Ptr<const Packet> > m_promiscSnifferTrace; |
476 |
TracedCallback<Ptr<const Packet> > m_promiscSnifferTrace; |
| 433 |
|
477 |
|
| 434 |
Ptr<Node> m_node; |
478 |
Ptr<Node> m_node; //!< Node owning this NetDevice |
| 435 |
Mac48Address m_address; |
479 |
Mac48Address m_address; //!< Address of this NetDevice |
| 436 |
NetDevice::ReceiveCallback m_rxCallback; |
480 |
NetDevice::ReceiveCallback m_rxCallback; //!< Receive callback |
| 437 |
NetDevice::PromiscReceiveCallback m_promiscCallback; |
481 |
NetDevice::PromiscReceiveCallback m_promiscCallback; //!< Receive callback |
| 438 |
uint32_t m_ifIndex; |
482 |
// (promisc data) |
| 439 |
bool m_linkUp; |
483 |
uint32_t m_ifIndex; //!< Index of the interface |
| 440 |
TracedCallback<> m_linkChangeCallbacks; |
484 |
bool m_linkUp; //!< Identify if the link is up or not |
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|
485 |
TracedCallback<> m_linkChangeCallbacks; //!< Callback for the link change event |
| 441 |
|
486 |
|
| 442 |
static const uint16_t DEFAULT_MTU = 1500; |
487 |
static const uint16_t DEFAULT_MTU = 1500; //!< Default MTU |
| 443 |
|
488 |
|
| 444 |
/** |
489 |
/** |
| 445 |
* The Maximum Transmission Unit. This corresponds to the maximum |
490 |
* \brief The Maximum Transmission Unit |
|
|
491 |
* |
| 492 |
* This corresponds to the maximum |
| 446 |
* number of bytes that can be transmitted as seen from higher layers. |
493 |
* number of bytes that can be transmitted as seen from higher layers. |
| 447 |
* This corresponds to the 1500 byte MTU size often seen on IP over |
494 |
* This corresponds to the 1500 byte MTU size often seen on IP over |
| 448 |
* Ethernet. |
495 |
* Ethernet. |
| 449 |
*/ |
496 |
*/ |
| 450 |
uint32_t m_mtu; |
497 |
uint32_t m_mtu; |
| 451 |
|
498 |
|
| 452 |
Ptr<Packet> m_currentPkt; |
499 |
Ptr<Packet> m_currentPkt; //!< Current packet processed |
| 453 |
|
500 |
|
| 454 |
/** |
501 |
/** |
| 455 |
* \brief PPP to Ethernet protocol number mapping |
502 |
* \brief PPP to Ethernet protocol number mapping |