genericRouterPhy.h

Go to the documentation of this file.
00001 
00053 #ifndef  _genericRouterPhy_h_INC
00054 #define  _genericRouterPhy_h_INC
00055 
00056 #include        "../interfaces/router.h"
00057 #include        "genericBuffer.h"
00058 #include        "genericRC.h"
00059 #include        "ptop_swa.h"
00060 #include        "genericCrossbar.h"
00061 #include        "../../../util/genericData.h"
00062 #include        "../../../util/stats.h"
00063 #include        "genericLink.h"
00064 #include        <sys/time.h>
00065 
00066 extern uint send_early_credit;
00067 extern uint do_two_stage_router;
00068 extern uint stat_print_level;
00069 extern IrisStats* istat;
00070 
00071 class GenericRouterPhy: public Router
00072 {
00073     public:
00074         GenericRouterPhy ();                             /* constructor */
00075         ~GenericRouterPhy();
00076         void init(uint ports, uint vcs, uint credits, uint buffer_size);
00077 
00078         void set_no_nodes( uint nodes);
00079         void set_grid_x_location ( uint a, uint b, uint c);
00080         void set_grid_y_location ( uint a, uint b, uint c);
00081 
00082         void send_credit_back( uint i);
00083 
00084         void process_event(IrisEvent* e);
00085         string toString() const;
00086         string print_stats();
00087         vector< vector<uint> > downstream_credits;
00088 
00089         /* These are the statistics variables */
00090         uint packets;
00091         uint flits;
00092         double total_packet_latency;
00093         double last_flit_out_cycle;
00094         unsigned long long int stat_sim_total_time;
00095         vector< vector<uint> > stat_packet_out;
00096         vector< vector<uint> > stat_flit_out;
00097 
00098     protected:
00099 
00100     private:
00101         vector <GenericBuffer> in_buffers;
00102         vector <GenericRC> decoders;
00103         vector <InputBufferState> input_buffer_state;
00104         PToPSwitchArbiter swa;
00105         GenericCrossbar xbar;
00106 
00107         bool ticking;
00108         void handle_link_arrival_event(IrisEvent* e);
00109         void handle_tick_event(IrisEvent* e);
00110         void do_switch_traversal();
00111         void do_switch_allocation();
00112         void do_input_buffering();
00113 
00114 }; /* -----  end of class GenericRouterPhy  ----- */
00115 
00116 #endif   /* ----- #ifndef _genericRouterPhy_h_INC  ----- */
00117