etherif.h 1.3 KB

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  1. enum
  2. {
  3. MaxEther = 2,
  4. Ntypes = 8,
  5. };
  6. typedef struct Ether Ether;
  7. struct Ether {
  8. RWlock; /* TO DO */
  9. ISAConf; /* hardware info */
  10. int ctlrno;
  11. int minmtu;
  12. int maxmtu;
  13. uchar ea[Eaddrlen];
  14. void *address;
  15. int tbusy;
  16. void (*attach)(Ether*); /* filled in by reset routine */
  17. void (*closed)(Ether*);
  18. void (*detach)(Ether*);
  19. void (*transmit)(Ether*);
  20. void (*interrupt)(Ureg*, void*);
  21. long (*ifstat)(Ether*, void*, long, ulong);
  22. long (*ctl)(Ether*, void*, long); /* custom ctl messages */
  23. void (*power)(Ether*, int); /* power on/off */
  24. void (*shutdown)(Ether*); /* shutdown hardware before reboot */
  25. void *ctlr;
  26. int pcmslot; /* PCMCIA */
  27. int fullduplex; /* non-zero if full duplex */
  28. int linkchg; /* link status changed? */
  29. uvlong starttime; /* last activity time */
  30. Queue* oq;
  31. /* statistics */
  32. ulong interrupts;
  33. ulong dmarxintr;
  34. ulong dmatxintr;
  35. ulong promisc;
  36. ulong pktsdropped;
  37. ulong pktsmisaligned;
  38. ulong resets; /* after initialisation */
  39. ulong bcasts; /* broadcast pkts rcv'd */
  40. ulong mcasts; /* multicast pkts rcv'd */
  41. Netif;
  42. };
  43. extern Block* etheriq(Ether*, Block*, int);
  44. extern void addethercard(char*, int(*)(Ether*));
  45. extern ulong ethercrc(uchar*, int);
  46. extern int parseether(uchar*, char*);
  47. #define NEXT(x, l) (((x)+1)%(l))
  48. #define PREV(x, l) (((x) == 0) ? (l)-1: (x)-1)