/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ typedef struct Ether Ether;typedef struct Etherops Etherops;typedef struct Conn Conn;typedef struct Cinfo Cinfo;typedef struct Buf Buf;typedef struct Etherpkt Etherpkt; enum{	/* controller ids */	Cdc = 0,	A8817x,		/* Asis */	A88178,	A88179,	A88772,	S95xx,		/* SMSC */ 	Eaddrlen = 6,	Epktlen = 1514,	Ehdrsize = 2*Eaddrlen + 2, 	Maxpkt	= 2000,	/* no jumbo packets here */	Nconns	= 8,	/* max number of connections */	Nbufs	= 32,	/* max number of buffers */	Scether = 6,	/* ethernet cdc subclass */	Fnheader = 0,	/* Functions */	Fnunion = 6,	Fnether = 15, 	Cdcunion	= 6,	/* CDC Union descriptor subtype */}; struct Buf{	int	type;	int	ndata;	uchar*	rp;	uchar	data[Hdrsize+Maxpkt];}; struct Conn{	Ref;			/* one per file in use */	int	nb;	int	type;	int	headersonly;	int	prom;	Channel*rc;		/* [2] of Buf* */}; struct Etherops{	int	(*init)(Ether*, int *epin, int *epout);	long	(*bread)(Ether*, Buf*);	long	(*bwrite)(Ether*, Buf*);	int	(*ctl)(Ether*, char*);	int	(*promiscuous)(Ether*, int);	int	(*multicast)(Ether*, uchar*, int);	char*	(*seprintstats)(char*, char*, Ether*);	void	(*free)(Ether*);	int	bufsize;	char	*name;	void*	aux;}; struct Ether{	QLock;	QLock	wlck;			/* write one at a time */	int	epinid;			/* epin address */	int	epoutid;			/* epout address */	Dev*	dev;	Dev*	epin;	Dev*	epout;	int	cid;			/* ctlr id */	int	phy;			/* phy id */	Ref	prom;			/* nb. of promiscuous conns */	int	exiting;			/* shutting down */	int	wrexited;			/* write process died */	uchar	addr[Eaddrlen];		/* mac */	int	nconns;			/* nb. of entries used in... */	Conn*	conns[Nconns];		/* connections */	int	nabufs;			/* nb. of allocated buffers */	int	nbufs;			/* nb. of buffers in use */	int	nblock;			/* nonblocking (output)? */	long	nin;	long	nout;	long	nierrs;	long	noerrs;	int	mbps;	int	nmcasts;	Channel*rc;			/* read channel (of Buf*) */	Channel*wc;			/* write channel (of Buf*) */	Channel*bc;			/* free buf. chan. (of Buf*) */	Etherops;	Usbfs	fs;}; struct Cinfo{	int vid;		/* usb vendor id */	int did;		/* usb device/product id */	int cid;		/* controller id assigned by us */}; struct Etherpkt{	uchar d[Eaddrlen];	uchar s[Eaddrlen];	uchar type[2];	uchar data[1500];}; int	ethermain(Dev *dev, int argc, char **argv);int	asixreset(Ether*);int smscreset(Ether*);int	cdcreset(Ether*);int	parseaddr(uchar *m, char *s);void	dumpframe(char *tag, void *p, int n); extern Cinfo cinfo[];extern int etherdebug; #define	deprint	if(etherdebug)fprint