xref: /plan9/sys/src/cmd/usb/ether/ether.h (revision 0cc6832d7c845a6250c7353daab06d4af2dfe5cb)
1 typedef struct Ether Ether;
2 typedef struct Etherops Etherops;
3 typedef struct Conn Conn;
4 typedef struct Cinfo Cinfo;
5 typedef struct Buf Buf;
6 typedef struct Etherpkt Etherpkt;
7 
8 enum
9 {
10 	/* controller ids */
11 	Cdc = 0,
12 	A8817x,		/* Asis */
13 	A88178,
14 	A88179,
15 	A88772,
16 	S95xx,		/* SMSC */
17 
18 	Eaddrlen = 6,
19 	Epktlen = 1514,
20 	Ehdrsize = 2*Eaddrlen + 2,
21 
22 	Maxpkt	= 2000,	/* no jumbo packets here */
23 	Nconns	= 8,	/* max number of connections */
24 	Nbufs	= 32,	/* max number of buffers */
25 	Scether = 6,	/* ethernet cdc subclass */
26 	Fnheader = 0,	/* Functions */
27 	Fnunion = 6,
28 	Fnether = 15,
29 
30 	Cdcunion	= 6,	/* CDC Union descriptor subtype */
31 };
32 
33 struct Buf
34 {
35 	int	type;
36 	int	ndata;
37 	uchar*	rp;
38 	uchar	data[Hdrsize+Maxpkt];
39 };
40 
41 struct Conn
42 {
43 	Ref;			/* one per file in use */
44 	int	nb;
45 	int	type;
46 	int	headersonly;
47 	int	prom;
48 	Channel*rc;		/* [2] of Buf* */
49 };
50 
51 struct Etherops
52 {
53 	int	(*init)(Ether*, int *epin, int *epout);
54 	long	(*bread)(Ether*, Buf*);
55 	long	(*bwrite)(Ether*, Buf*);
56 	int	(*ctl)(Ether*, char*);
57 	int	(*promiscuous)(Ether*, int);
58 	int	(*multicast)(Ether*, uchar*, int);
59 	char*	(*seprintstats)(char*, char*, Ether*);
60 	void	(*free)(Ether*);
61 	int	bufsize;
62 	char	*name;
63 	void*	aux;
64 };
65 
66 struct Ether
67 {
68 	QLock;
69 	QLock	wlck;			/* write one at a time */
70 	int	epinid;			/* epin address */
71 	int	epoutid;			/* epout address */
72 	Dev*	dev;
73 	Dev*	epin;
74 	Dev*	epout;
75 	int	cid;			/* ctlr id */
76 	int	phy;			/* phy id */
77 	Ref	prom;			/* nb. of promiscuous conns */
78 	int	exiting;			/* shutting down */
79 	int	wrexited;			/* write process died */
80 	uchar	addr[Eaddrlen];		/* mac */
81 	int	nconns;			/* nb. of entries used in... */
82 	Conn*	conns[Nconns];		/* connections */
83 	int	nabufs;			/* nb. of allocated buffers */
84 	int	nbufs;			/* nb. of buffers in use */
85 	int	nblock;			/* nonblocking (output)? */
86 	long	nin;
87 	long	nout;
88 	long	nierrs;
89 	long	noerrs;
90 	int	mbps;
91 	int	nmcasts;
92 	Channel*rc;			/* read channel (of Buf*) */
93 	Channel*wc;			/* write channel (of Buf*) */
94 	Channel*bc;			/* free buf. chan. (of Buf*) */
95 	Etherops;
96 	Usbfs	fs;
97 };
98 
99 struct Cinfo
100 {
101 	int vid;		/* usb vendor id */
102 	int did;		/* usb device/product id */
103 	int cid;		/* controller id assigned by us */
104 };
105 
106 struct Etherpkt
107 {
108 	uchar d[Eaddrlen];
109 	uchar s[Eaddrlen];
110 	uchar type[2];
111 	uchar data[1500];
112 };
113 
114 int	ethermain(Dev *dev, int argc, char **argv);
115 int	asixreset(Ether*);
116 int smscreset(Ether*);
117 int	cdcreset(Ether*);
118 int	parseaddr(uchar *m, char *s);
119 void	dumpframe(char *tag, void *p, int n);
120 
121 extern Cinfo cinfo[];
122 extern int etherdebug;
123 
124 #define	deprint	if(etherdebug)fprint
125