ref: 75a8003a8afb22e8557da98ad5dae63efa365d5e
dir: /sys/src/9/kw/etherif.h/
enum
{
MaxEther = 2,
Ntypes = 8,
};
typedef struct Ether Ether;
struct Ether {
RWlock; /* TO DO */
ISAConf; /* hardware info */
int ctlrno;
int minmtu;
int maxmtu;
uchar ea[Eaddrlen];
void *address;
int tbusy;
void (*attach)(Ether*); /* filled in by reset routine */
void (*closed)(Ether*);
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;
int pcmslot; /* PCMCIA */
int fullduplex; /* non-zero if full duplex */
int linkchg; /* link status changed? */
uvlong starttime; /* last activity time */
Queue* oq;
/* statistics */
ulong interrupts;
ulong dmarxintr;
ulong dmatxintr;
ulong promisc;
ulong pktsdropped;
ulong pktsmisaligned;
ulong resets; /* after initialisation */
ulong bcasts; /* broadcast pkts rcv'd */
ulong mcasts; /* multicast pkts rcv'd */
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)