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diff --git a/src/mem/ruby/network/garnet-fixed-pipeline/Router_d.hh b/src/mem/ruby/network/garnet-fixed-pipeline/Router_d.hh
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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.
+ */
+
+/*
+ * Router_d.h
+ *
+ * Niket Agarwal, Princeton University
+ *
+ * */
+#ifndef ROUTER_D_H
+#define ROUTER_D_H
+
+#include "NetworkHeader.hh"
+#include "Vector.hh"
+#include "flit_d.hh"
+#include "NetDest.hh"
+#include "power_router_init.hh"
+
+class GarnetNetwork_d;
+class NetworkLink_d;
+class CreditLink_d;
+class InputUnit_d;
+class OutputUnit_d;
+class RoutingUnit_d;
+class VCallocator_d;
+class SWallocator_d;
+class Switch_d;
+
+class Router_d {
+public:
+        Router_d(int id, GarnetNetwork_d *network_ptr);
+
+        ~Router_d();
+
+        void init();
+        void addInPort(NetworkLink_d *link, CreditLink_d *credit_link);
+        void addOutPort(NetworkLink_d *link, const NetDest& routing_table_entry, int link_weight, CreditLink_d *credit_link);
+        int get_num_vcs() { return m_num_vcs; }
+        int get_vc_per_vnet() {return m_vc_per_vnet; }
+        int get_num_inports() { return m_input_unit.size(); }
+        int get_num_outports() { return m_output_unit.size(); }
+        void printConfig(ostream& out);
+        int get_id() { return m_id; }
+        GarnetNetwork_d* get_net_ptr() { return m_network_ptr; }
+
+        Vector<InputUnit_d *>& get_inputUnit_ref() { return m_input_unit; }
+        Vector<OutputUnit_d *>& get_outputUnit_ref() { return m_output_unit; }
+
+        void update_sw_winner(int inport, flit_d *t_flit);
+        void update_incredit(int in_port, int in_vc, int credit);
+        void route_req(flit_d *t_flit, InputUnit_d* in_unit, int invc);
+        void vcarb_req();
+        void swarb_req();
+
+        void power_router_initialize(power_router *router, power_router_info *info);
+        double calculate_power();
+        double calculate_offline_power(power_router*, power_router_info*);
+        void calculate_performance_numbers();
+
+private:
+        int m_id;
+        int m_virtual_networks, m_num_vcs, m_vc_per_vnet;
+        GarnetNetwork_d *m_network_ptr;
+        int m_flit_width;
+
+        double buf_read_count, buf_write_count, crossbar_count, vc_local_arbit_count, vc_global_arbit_count, sw_local_arbit_count, sw_global_arbit_count;
+
+        Vector<InputUnit_d *> m_input_unit;
+        Vector<OutputUnit_d *> m_output_unit;
+        RoutingUnit_d *m_routing_unit;
+        VCallocator_d *m_vc_alloc;
+        SWallocator_d *m_sw_alloc;
+        Switch_d *m_switch;
+};
+
+#endif