Subversion Repositories planix.SVN

enum
{
        MaxEther        = 4,
        Ntypes          = 8,
};

typedef struct Ether Ether;
struct Ether {
        RWlock;
        ISAConf;                        /* hardware info */

        int     ctlrno;
        ulong   tbdf;
        int     minmtu;
        int     maxmtu;

        Netif;

        void    (*attach)(Ether*);      /* filled in by reset routine */
        void    (*detach)(Ether*);
        void    (*transmit)(Ether*);
        void    (*interrupt)(Ureg*, void*);
        long    (*ifstat)(Ether*, void*, long, ulong);
        long    (*ctl)(Ether*, void*, long); /* custom ctl messages */
        void    (*power)(Ether*, int);  /* power on/off */
        void    (*shutdown)(Ether*);    /* shutdown hardware before reboot */

        void*   ctlr;
        uchar   ea[Eaddrlen];
        void*   address;
        int     irq;

        Queue*  oq;
};

extern Block* etheriq(Ether*, Block*, int);
extern void addethercard(char*, int(*)(Ether*));
extern ulong ethercrc(uchar*, int);
extern int parseether(uchar*, char*);

#define NEXT(x, l)      (((x)+1)%(l))
#define PREV(x, l)      (((x) == 0) ? (l)-1: (x)-1)