FreeBSD/Linux Kernel Cross Reference
sys/mtx/etherif.h
1 enum {
2 MaxEther = 24,
3 Ntypes = 8,
4 };
5
6 typedef struct Ether Ether;
7 struct Ether {
8 ISAConf; /* hardware info */
9
10 int ctlrno;
11 int tbdf; /* type+busno+devno+funcno */
12 int minmtu;
13 int maxmtu;
14 uchar ea[Eaddrlen];
15
16 void (*attach)(Ether*); /* filled in by reset routine */
17 void (*transmit)(Ether*);
18 void (*interrupt)(Ureg*, void*);
19 long (*ifstat)(Ether*, void*, long, ulong);
20 long (*ctl)(Ether*, void*, long); /* custom ctl messages */
21 void *ctlr;
22
23 Queue* oq;
24
25 Netif;
26 };
27
28 extern Block* etheriq(Ether*, Block*, int);
29 extern void addethercard(char*, int(*)(Ether*));
30 extern ulong ethercrc(uchar*, int);
31
32 #define NEXT(x, l) (((x)+1)%(l))
33 #define PREV(x, l) (((x) == 0) ? (l)-1: (x)-1)
34 #define HOWMANY(x, y) (((x)+((y)-1))/(y))
35 #define ROUNDUP(x, y) (HOWMANY((x), (y))*(y))
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