39 lines
927 B
C
39 lines
927 B
C
|
enum {
|
||
|
MaxEther = 64,
|
||
|
Ntypes = 8,
|
||
|
};
|
||
|
|
||
|
typedef struct Ether Ether;
|
||
|
struct Ether {
|
||
|
ISAConf; /* hardware info */
|
||
|
int tbdf; /* type+busno+devno+funcno */
|
||
|
|
||
|
int ctlrno;
|
||
|
int minmtu;
|
||
|
int maxmtu;
|
||
|
uchar ea[Eaddrlen];
|
||
|
|
||
|
void (*attach)(Ether*); /* filled in by reset routine */
|
||
|
void (*detach)(Ether*);
|
||
|
void (*transmit)(Ether*);
|
||
|
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;
|
||
|
|
||
|
Queue* oq;
|
||
|
|
||
|
Netif;
|
||
|
};
|
||
|
|
||
|
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)
|
||
|
#define HOWMANY(x, y) (((x)+((y)-1))/(y))
|
||
|
#define ROUNDUP(x, y) (HOWMANY((x), (y))*(y))
|