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- enum
- {
- MaxEther = 4,
- Ntypes = 8,
- };
- typedef struct Ether Ether;
- struct Ether {
- RWlock;
- ISAConf; /* hardware info */
- int ctlrno;
- 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)
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