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/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* NetworkLink_d.cc
*
* Niket Agarwal, Princeton University
*
* */
#include "mem/ruby/network/garnet-fixed-pipeline/NetworkLink_d.hh"
#include "mem/ruby/network/garnet-flexible-pipeline/NetworkConfig.hh"
#include "mem/ruby/network/garnet-fixed-pipeline/GarnetNetwork_d.hh"
/*
NetworkLink_d::NetworkLink_d(int id)
{
m_id = id;
m_latency = 1;
m_flit_width = NetworkConfig::getFlitSize();
linkBuffer = new flitBuffer_d();
m_link_utilized = 0;
m_vc_load.setSize(NetworkConfig::getVCsPerClass()*RubySystem::getNetwork()->getNumberOfVirtualNetworks());
for(int i = 0; i < NetworkConfig::getVCsPerClass()*RubySystem::getNetwork()->getNumberOfVirtualNetworks(); i++)
m_vc_load[i] = 0;
}
*/
NetworkLink_d::NetworkLink_d(int id, int link_latency, GarnetNetwork_d *net_ptr)
{
m_net_ptr = net_ptr;
m_id = id;
m_latency = link_latency;
linkBuffer = new flitBuffer_d();
m_link_utilized = 0;
m_vc_load.setSize(m_net_ptr->getNetworkConfig()->getVCsPerClass()*net_ptr->getNumberOfVirtualNetworks());
for(int i = 0; i < m_net_ptr->getNetworkConfig()->getVCsPerClass()*net_ptr->getNumberOfVirtualNetworks(); i++)
m_vc_load[i] = 0;
}
NetworkLink_d::~NetworkLink_d()
{
delete linkBuffer;
}
void NetworkLink_d::setLinkConsumer(Consumer *consumer)
{
link_consumer = consumer;
}
void NetworkLink_d::setSourceQueue(flitBuffer_d *srcQueue)
{
link_srcQueue = srcQueue;
}
void NetworkLink_d::wakeup()
{
if(link_srcQueue->isReady())
{
flit_d *t_flit = link_srcQueue->getTopFlit();
t_flit->set_time(g_eventQueue_ptr->getTime() + m_latency);
linkBuffer->insert(t_flit);
g_eventQueue_ptr->scheduleEvent(link_consumer, m_latency);
m_link_utilized++;
m_vc_load[t_flit->get_vc()]++;
}
}
Vector<int> NetworkLink_d::getVcLoad()
{
return m_vc_load;
}
int NetworkLink_d::getLinkUtilization()
{
return m_link_utilized;
}
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