134 lines
2.9 KiB
C
134 lines
2.9 KiB
C
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/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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typedef struct Ether Ether;
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typedef struct Etherops Etherops;
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typedef struct Conn Conn;
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typedef struct Cinfo Cinfo;
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typedef struct Buf Buf;
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typedef struct Etherpkt Etherpkt;
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enum
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{
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/* controller ids */
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Cdc = 0,
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A8817x, /* Asis */
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A88178,
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A88179,
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A88772,
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S95xx, /* SMSC */
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Eaddrlen = 6,
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Epktlen = 1514,
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Ehdrsize = 2*Eaddrlen + 2,
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Maxpkt = 2000, /* no jumbo packets here */
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Nconns = 8, /* max number of connections */
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Nbufs = 32, /* max number of buffers */
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Scether = 6, /* ethernet cdc subclass */
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Fnheader = 0, /* Functions */
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Fnunion = 6,
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Fnether = 15,
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Cdcunion = 6, /* CDC Union descriptor subtype */
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};
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struct Buf
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{
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int type;
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int ndata;
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uint8_t* rp;
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uint8_t data[Hdrsize+Maxpkt];
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};
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struct Conn
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{
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Ref; /* one per file in use */
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int nb;
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int type;
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int headersonly;
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int prom;
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Channel*rc; /* [2] of Buf* */
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};
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struct Etherops
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{
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int (*init)(Ether*, int *epin, int *epout);
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int32_t (*bread)(Ether*, Buf*);
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int32_t (*bwrite)(Ether*, Buf*);
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int (*ctl)(Ether*, char*);
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int (*promiscuous)(Ether*, int);
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int (*multicast)(Ether*, uint8_t*, int);
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char* (*seprintstats)(char*, char*, Ether*);
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void (*free)(Ether*);
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int bufsize;
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char *name;
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void* aux;
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};
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struct Ether
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{
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QLock;
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QLock wlck; /* write one at a time */
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int epinid; /* epin address */
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int epoutid; /* epout address */
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Dev* dev;
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Dev* epin;
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Dev* epout;
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int cid; /* ctlr id */
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int phy; /* phy id */
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Ref prom; /* nb. of promiscuous conns */
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int exiting; /* shutting down */
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int wrexited; /* write process died */
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uint8_t addr[Eaddrlen]; /* mac */
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int nconns; /* nb. of entries used in... */
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Conn* conns[Nconns]; /* connections */
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int nabufs; /* nb. of allocated buffers */
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int nbufs; /* nb. of buffers in use */
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int nblock; /* nonblocking (output)? */
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int nin;
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int nout;
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int nierrs;
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int noerrs;
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int mbps;
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int nmcasts;
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Channel*rc; /* read channel (of Buf*) */
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Channel*wc; /* write channel (of Buf*) */
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Channel*bc; /* free buf. chan. (of Buf*) */
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Etherops;
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Usbfs fs;
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};
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struct Cinfo
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{
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int vid; /* usb vendor id */
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int did; /* usb device/product id */
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int cid; /* controller id assigned by us */
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};
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struct Etherpkt
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{
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uint8_t d[Eaddrlen];
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uint8_t s[Eaddrlen];
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uint8_t type[2];
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uint8_t data[1500];
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};
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int ethermain(Dev *dev, int argc, char **argv);
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int asixreset(Ether*);
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int smscreset(Ether*);
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int cdcreset(Ether*);
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int parseaddr(uint8_t *m, char *s);
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void dumpframe(char *tag, void *p, int n);
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extern Cinfo cinfo[];
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extern int etherdebug;
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#define deprint if(etherdebug)fprint
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