/usr/include/ns3.27/ns3/epc-tft.h is in libns3-dev 3.27+dfsg-1.
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/*
* Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Nicola Baldo <nbaldo@cttc.es>
*/
#ifndef EPC_TFT_H
#define EPC_TFT_H
#include <ns3/simple-ref-count.h>
#include <ns3/ipv4-address.h>
#include <list>
namespace ns3 {
/**
* This class implements the EPS bearer Traffic Flow Template (TFT),
* which is the set of all packet filters associated with an EPS bearer.
*
*/
class EpcTft : public SimpleRefCount<EpcTft>
{
public:
/**
* creates a TFT matching any traffic
*
* \return a newly created TFT that will match any traffic
*/
static Ptr<EpcTft> Default ();
/**
* Indicates the direction of the traffic that is to be classified.
*/
enum Direction {DOWNLINK = 1,
UPLINK = 2,
BIDIRECTIONAL = 3};
/**
* Implement the data structure representing a TrafficFlowTemplate
* Packet Filter.
* See 3GPP TS 24.008 version 8.7.0 Release 8, Table 10.5.162/3GPP TS
* 24.008: Traffic flow template information element
*
* With respect to the Packet Filter specification in the above doc,
* the following features are NOT supported:
* - IPv6 filtering (including flow labels)
* - IPSec filtering
* - filter precedence field is not evaluated, hence it is recommended to setup
* the TFTs within a PDP context such that TFTs are mutually exclusive
*/
struct PacketFilter
{
PacketFilter ();
/**
*
* \param d the direction
* \param ra the remote address
* \param la the local address
* \param rp the remote port
* \param lp the local port
* \param tos the type of service
*
* \return true if the parameters match with the PacketFilter,
* false otherwise.
*/
bool Matches (Direction d,
Ipv4Address ra,
Ipv4Address la,
uint16_t rp,
uint16_t lp,
uint8_t tos);
uint8_t precedence; /**< used to specify the precedence for the
* packet filter among all packet filters in
* the TFT; higher values will be evaluated
* last.
*/
Direction direction; /**< whether the filter needs to be applied
to uplink / downlink only, or in both cases*/
Ipv4Address remoteAddress; /**< IPv4 address of the remote host */
Ipv4Mask remoteMask; /**< IPv4 address mask of the remote host */
Ipv4Address localAddress; /**< IPv4 address of the UE */
Ipv4Mask localMask; /**< IPv4 address mask of the UE */
uint16_t remotePortStart; /**< start of the port number range of the remote host */
uint16_t remotePortEnd; /**< end of the port number range of the remote host */
uint16_t localPortStart; /**< start of the port number range of the UE */
uint16_t localPortEnd; /**< end of the port number range of the UE */
uint8_t typeOfService; /**< type of service field */
uint8_t typeOfServiceMask; /**< type of service field mask */
};
EpcTft ();
/**
* add a PacketFilter to the Traffic Flow Template
*
* \param f the PacketFilter to be added
*
* \return the id( 0 <= id < 16) of the newly added filter, if the addition was successful. Will fail if you try to add more than 15 filters. This is to be compliant with TS 24.008.
*/
uint8_t Add (PacketFilter f);
/**
*
* \param direction
* \param remoteAddress
* \param localAddress
* \param remotePort
* \param localPort
* \param typeOfService
*
* \return true if any PacketFilter in the TFT matches with the
* parameters, false otherwise.
*/
bool Matches (Direction direction,
Ipv4Address remoteAddress,
Ipv4Address localAddress,
uint16_t remotePort,
uint16_t localPort,
uint8_t typeOfService);
private:
std::list<PacketFilter> m_filters; ///< packet filter list
uint8_t m_numFilters; ///< number of packet filters applied to this TFT
};
std::ostream& operator<< (std::ostream& os, EpcTft::Direction& d);
} // namespace ns3
#endif /* EPC_TFT_H */
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