blob: a4e790a6fd7f8e11182c632b57c43680c9c15168 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/*
* All the goo for PC ethernet cards.
*/
typedef struct Card Card;
typedef struct Type Type;
typedef struct Ctlr Ctlr;
/*
* Hardware interface.
*/
struct Card {
ISAConf;
int (*reset)(Ctlr*);
void (*attach)(Ctlr*);
void *(*read)(Ctlr*, void*, ulong, ulong);
void *(*write)(Ctlr*, ulong, void*, ulong);
void (*receive)(Ctlr*);
void (*transmit)(Ctlr*);
void (*intr)(Ureg*, void*);
void (*overflow)(Ctlr*);
uchar bit16; /* true if a 16 bit interface */
uchar ram; /* true if card has shared memory */
ulong dp8390; /* I/O address of 8390 (if any) */
ulong data; /* I/O data port if no shared memory */
uchar nxtpkt; /* software bndry */
uchar tstart; /* 8390 ring addresses */
uchar pstart;
uchar pstop;
uchar dummyrr; /* do dummy remote read */
};
/*
* Software controller.
*/
struct Ctlr {
Card card; /* hardware info */
int ctlrno;
int present;
Queue* iq;
Queue* oq;
int inpackets;
int outpackets;
int crcs; /* input crc errors */
int oerrs; /* output errors */
int frames; /* framing errors */
int overflows; /* packet overflows */
int buffs; /* buffering errors */
};
extern int sccethreset(Ctlr*);
extern int etheriq(Ctlr*, Block*, int);
|
