dpdk-net-device-helper.cc

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/*
 * Copyright (c) 2020 NITK Surathkal
 *
 * 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
 *
 * Authors: Harsh Patel <thadodaharsh10@gmail.com>
 *          Hrishikesh Hiraskar <hrishihiraskar@gmail.com>
 */
 
#include "dpdk-net-device-helper.h"
 
#include "ns3/dpdk-net-device.h"
 
namespace ns3
{
 
NS_LOG_COMPONENT_DEFINE("DpdkNetDeviceHelper");
 
DpdkNetDeviceHelper::DpdkNetDeviceHelper()
    : m_lCoreList("0,1"),
      m_pmdLibrary("librte_pmd_e1000.so"),
      m_dpdkDriver("uio_pci_generic")
{
    NS_LOG_FUNCTION(this);
    SetTypeId("ns3::DpdkNetDevice");
}
 
void
DpdkNetDeviceHelper::SetLCoreList(std::string lCoreList)
{
    m_lCoreList = lCoreList;
}
 
void
DpdkNetDeviceHelper::SetPmdLibrary(std::string pmdLibrary)
{
    m_pmdLibrary = pmdLibrary;
}
 
void
DpdkNetDeviceHelper::SetDpdkDriver(std::string dpdkDriver)
{
    m_dpdkDriver = dpdkDriver;
}
 
Ptr<NetDevice>
DpdkNetDeviceHelper::InstallPriv(Ptr<Node> node) const
{
    NS_LOG_FUNCTION(this);
    Ptr<NetDevice> device = FdNetDeviceHelper::InstallPriv(node);
    Ptr<DpdkNetDevice> dpdkDevice = DynamicCast<DpdkNetDevice>(device);
    dpdkDevice->SetDeviceName(m_deviceName);
 
    // Set EAL arguments
    char** ealArgv = new char*[20];
 
    // arg[0] is program name (optional)
    ealArgv[0] = new char[20];
    strcpy(ealArgv[0], "");
 
    // Logical core usage
    ealArgv[1] = new char[20];
    strcpy(ealArgv[1], "-l");
    ealArgv[2] = new char[20];
    strcpy(ealArgv[2], m_lCoreList.c_str());
 
    // Load library
    ealArgv[3] = new char[20];
    strcpy(ealArgv[3], "-d");
    ealArgv[4] = new char[50];
    strcpy(ealArgv[4], m_pmdLibrary.c_str());
 
    // Use mempool ring library
    ealArgv[5] = new char[20];
    strcpy(ealArgv[5], "-d");
    ealArgv[6] = new char[50];
    strcpy(ealArgv[6], "librte_mempool_ring.so");
 
    dpdkDevice->InitDpdk(7, ealArgv, m_dpdkDriver);
    return dpdkDevice;
}
 
} // namespace ns3