FreeBSD/Linux Kernel Cross Reference
sys/bitsy/etherif.h
1 enum {
2 MaxEther = 24,
3 Ntypes = 8,
4 };
5
6 typedef struct Ether Ether;
7 struct Ether {
8 DevConf;
9
10 int ctlrno;
11 int tbdf; /* type+busno+devno+funcno */
12 int minmtu;
13 int maxmtu;
14 uchar ea[Eaddrlen];
15 int encry;
16
17 void (*attach)(Ether*); /* filled in by reset routine */
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
27 Queue* oq;
28
29 Netif;
30 };
31
32 extern Block* etheriq(Ether*, Block*, int);
33 extern void addethercard(char*, int(*)(Ether*));
34 extern ulong ethercrc(uchar*, int);
35
36 #define NEXT(x, l) (((x)+1)%(l))
37 #define PREV(x, l) (((x) == 0) ? (l)-1: (x)-1)
38 #define HOWMANY(x, y) (((x)+((y)-1))/(y))
39 #define ROUNDUP(x, y) (HOWMANY((x), (y))*(y))
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