C:/cygwin/home/Javier/insee/src/router.h

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#ifndef _router
#define _router

#include "globals.h"

#define dir(j,k) ((j*nways) + k)

#define port_address(p,c) ((p*nchan) + c)

#define address(cx,cy,cz) (cx + cy*nodes_x + cz*nodes_x*nodes_y)

#define ESCAPE 0        ///< The Escape VC is always #0
#define NULL_PORT -1    ///< A way to denote "no port"
#define NULL_PACKET 0xffffffff  ///< A way to denote "no packet"

typedef enum dim {
        D_X = 0,
        D_Y = 1,
        D_Z = 2,
        INJ = 3,
        CON = 4
} dim;

typedef enum multistages {
        STAGE = 0,
        POSITION = 1
} multistages;

typedef enum way {
        UP = 0,         
        DOWN = 1        
} way;

typedef long channel;

typedef enum bet_type {
        B_ESCAPE = -1,          // The Escape VC
        B_TRIAL_0 = D_X,        // An adaptive VC in the X direction
        B_TRIAL_1 = D_Y,        // An adaptive VC in the Y direction
        B_TRIAL_2 = D_Z         // An adaptive VC in the Z direction
} bet_type;

typedef long port_type;

typedef struct port {
        // Input section
        queue q;                
        bet_type bet;   
        port_type aop;  
        long tor;               

        // Output section
        long *req;              
        port_type ri;   
        port_type sip;  

        // Others
        long * histo;           
        long utilization;       
        bool_t faulty;          
} port;

typedef struct router {
        // General info
        long rcoord[3]; 
        long * nbor;    
        long * nborp;   

        // Ports
        port * p;               
        long * op_i;    

        // Injection
        inj_queue * qi;                         
        port_type injecting_port;       
        port_type next_port;            
        packet_t saved_packet;          
        long pending_packet;            
        long triggered;                         

#if (PCOUNT!=0)

        long pcount;
#endif

        // Congestion with timeouts.
        unsigned long timeout_counter;  
        unsigned long timeout_packet;   

        bool_t congested;                               

        source_t source;           
        
        // Ports and injectors
#if (TRACE_SUPPORT == 1)
        event_q events;         
        event_l occurs; 
#endif /* TRACE */

#if (TRACE_SUPPORT > 1)
        event_q events;         
        event_l *occurs;        
#endif /* TRACE */
} router;
#endif /* _router */