wlancis.c

marvell cf wifi driver source code CF-8385-linux-x86-5.0.4.p0-132-src.rar

	if (code == CISTPL_CONFIG)
		printf(" mask 0x%4.4x", cfg->rmask[0]);
	
	printf(" last_index 0x%2.2x\n", cfg->last_idx);

	if (cfg->subtuples)
		printf("%s  %d bytes in subtuples\n", indent, cfg->subtuples);
}

static void print_parse(tuple_parse_t *tup)
{
	static int	func = 0;

	switch (tup->tuple.TupleCode) {
	case CISTPL_DEVICE:
	case CISTPL_DEVICE_A:
		if (tup->tuple.TupleCode == CISTPL_DEVICE)
			printf("%sdev_info\n", indent);
		else
			printf("%sattr_dev_info\n", indent);
		print_device(&tup->parse.device);
		break;
	case CISTPL_VERS_1:
		print_vers_1(&tup->parse.version_1);
		break;
	case CISTPL_MANFID:
		printf("%smanfid 0x%4.4x, 0x%4.4x\n", indent,
			tup->parse.manfid.manf, tup->parse.manfid.card);
		break;
	case CISTPL_FUNCID:
		print_funcid(&tup->parse.funcid);
		func = tup->parse.funcid.func;
		break;
	case CISTPL_FUNCE:
		switch (func) {
		case CISTPL_FUNCID_NETWORK:
			print_network(&tup->parse.funce);
			break;
		}
		break;
	case CISTPL_CONFIG:
		print_config(tup->tuple.TupleCode, &tup->parse.config);
		break;
	case CISTPL_CFTABLE_ENTRY:
		print_cftable_entry(&tup->parse.cftable_entry);
		break;
	}
}

static const unsigned char mantissa[] = {
    10, 12, 13, 15, 20, 25, 30, 35,
    40, 45, 50, 55, 60, 70, 80, 90
};

static const unsigned int exponent[] = {
    1, 10, 100, 1000, 10000, 100000, 1000000, 10000000
};

/* Convert an extended speed byte to a time in nanoseconds */
#define SPEED_CVT(v) \
    (mantissa[(((v)>>3)&15)-1] * exponent[(v)&7] / 10)
/* Convert a power byte to a current in 0.1 microamps */
#define POWER_CVT(v) \
    (mantissa[((v)>>3)&15] * exponent[(v)&7] / 10)
#define POWER_SCALE(v)		(exponent[(v)&7])

static int parse_device(tuple_t *tuple, cistpl_device_t *device)
{
	int		i;
	unsigned char	scale, *p, *q;

	p = (unsigned char *)tuple->TupleData;
	q = p + tuple->TupleDataLen;

	device->ndev = 0;

	for (i = 0; i < CISTPL_MAX_DEVICES; i++) {
		if (*p == 0xff) break;
		device->dev[i].type = (*p >> 4);
		device->dev[i].wp = (*p & 0x08) ? 1 : 0;
		switch (*p & 0x07) {
		case 0: device->dev[i].speed = 0;   break;
		case 1: device->dev[i].speed = 250; break;
		case 2: device->dev[i].speed = 200; break;
		case 3: device->dev[i].speed = 150; break;
		case 4: device->dev[i].speed = 100; break;
		case 7:
		    if (++p == q) return CS_BAD_TUPLE;
		    device->dev[i].speed = SPEED_CVT(*p);
		    while (*p & 0x80)
			    if (++p == q) return CS_BAD_TUPLE;
		    break;
		default:
		    return CS_BAD_TUPLE;
		 }
		
		if (++p == q) return CS_BAD_TUPLE;
		if (*p == 0xff) break;

		scale = *p & 7;
		if (scale == 7) return CS_BAD_TUPLE;

		device->dev[i].size = ((*p >> 3) + 1) * (512 << (scale*2));
		device->ndev++;
		if (++p == q) break;
	}

	return CS_SUCCESS;
}

static int parse_strings(unsigned char *p, unsigned char *q, int max,
			 char *s, unsigned char *ofs, unsigned char *found)
{
	int	i, j, ns;

	if (p == q) return CS_BAD_TUPLE;

	ns = 0; j = 0;

	for (i = 0; i < max; i++) {
		if (*p == 0xff) break;
		
		ofs[i] = j;
		ns++;

		for (;;) {
			s[j++] = (*p == 0xff) ? '\0' : *p;
			if ((*p == '\0') || (*p == 0xff)) break;
			if (++p == q) return CS_BAD_TUPLE;
		}
		
		if ((*p == 0xff) || (++p == q)) break;
	}

	if (found) {
		*found = ns;
		return CS_SUCCESS;
	} else {
		return (ns == max) ? CS_SUCCESS : CS_BAD_TUPLE;
	}
}

static int parse_vers_1(tuple_t *tuple, cistpl_vers_1_t *vers_1)
{
	unsigned char	*p, *q;

	p = (unsigned char *)tuple->TupleData;
	q = p + tuple->TupleDataLen;

	vers_1->major = *p; p++;
	vers_1->minor = *p; p++;

	if (p >= q) return CS_BAD_TUPLE;

	return parse_strings(p, q, CISTPL_VERS_1_MAX_PROD_STRINGS,
				       vers_1->str, vers_1->ofs, &vers_1->ns);
}

static int parse_manfid(tuple_t *tuple, cistpl_manfid_t *m)
{
	unsigned short	*p;

	if (tuple->TupleDataLen < 4)
		return CS_BAD_TUPLE;

	p = (unsigned short *)tuple->TupleData;
	m->manf = le16_to_cpu(p[0]);
	m->card = le16_to_cpu(p[1]);
	return CS_SUCCESS;
}

static int parse_funcid(tuple_t *tuple, cistpl_funcid_t *f)
{
	unsigned char	*p;

	if (tuple->TupleDataLen < 2)
		return CS_BAD_TUPLE;

	p = (unsigned char *)tuple->TupleData;
	
	f->func = p[0];
	f->sysinit = p[1];

	return CS_SUCCESS;
}

static int parse_funce(tuple_t *tuple, cistpl_funce_t *f)
{
	unsigned char	*p;
	int		i;

	if (tuple->TupleDataLen < 1)
		return CS_BAD_TUPLE;

	p = (unsigned char *)tuple->TupleData;

	f->type = p[0];

	for (i = 1; i < tuple->TupleDataLen; i++)
		f->data[i-1] = p[i];

	return CS_SUCCESS;
}

static int parse_config(tuple_t *tuple, cistpl_config_t *config)
{
	int		rasz, rmsz, i;
	unsigned char	*p;

	p = (unsigned char *)tuple->TupleData;
	rasz = *p & 0x03;
	rmsz = (*p & 0x3c) >> 2;

	if (tuple->TupleDataLen < rasz+rmsz+4)
		return CS_BAD_TUPLE;

	config->last_idx = *(++p);
	p++;
	config->base = 0;

	for (i = 0; i <= rasz; i++)
		config->base += p[i] << (8*i);
	
	p += rasz+1;
	
	for (i = 0; i < 4; i++)
		config->rmask[i] = 0;

	for (i = 0; i <= rmsz; i++)
		config->rmask[i>>2] += p[i] << (8*(i%4));

	config->subtuples = tuple->TupleDataLen - (rasz+rmsz+4);
	return CS_SUCCESS;
}

static unsigned char *parse_power(unsigned char *p, unsigned char *q, 
							cistpl_power_t *pwr)
{
	int		i;
	unsigned int	scale;

	if (p == q) return NULL;

	pwr->present = *p;
	pwr->flags = 0;
	p++;

	for (i = 0; i < 7; i++)
		if (pwr->present & (1<<i)) {
			if (p == q) return NULL;
			pwr->param[i] = POWER_CVT(*p);
			
			scale = POWER_SCALE(*p);
			while (*p & 0x80) {
				if (++p == q) return NULL;
				if ((*p & 0x7f) < 100)
					pwr->param[i] += 
						(*p & 0x7f) * scale / 100;
				else if (*p == 0x7d)
					pwr->flags |= CISTPL_POWER_HIGHZ_OK;
				else if (*p == 0x7e)
					pwr->param[i] = 0;
				else if (*p == 0x7f)
					pwr->flags |= CISTPL_POWER_HIGHZ_REQ;
				else
					return NULL;
			}
			p++;
		}

	return p;
}

static unsigned char *parse_timing(unsigned char *p, unsigned char *q,
						    cistpl_timing_t *timing)
{
	unsigned char	scale;

	if (p == q) return NULL;
	scale = *p;
	if ((scale & 3) != 3) {
		if (++p == q) return NULL;
		timing->wait = SPEED_CVT(*p);
		timing->waitscale = exponent[scale & 3];
	} else
		timing->wait = 0;
	
	scale >>= 2;
	if ((scale & 7) != 7) {
		if (++p == q) return NULL;
		timing->ready = SPEED_CVT(*p);
		timing->rdyscale = exponent[scale & 7];
	} else
		timing->ready = 0;

	scale >>= 3;
	if (scale != 7) {
		if (++p == q) return NULL;
		timing->reserved = SPEED_CVT(*p);
		timing->rsvscale = exponent[scale];
	} else
		timing->reserved = 0;
	
	p++;
	return p;
}

static unsigned char *parse_io(unsigned char *p, unsigned char *q, 
							cistpl_io_t *io)
{
	int	i, j, bsz, lsz;

	if (p == q) return NULL;
	io->flags = *p;
	
	if (!(*p & 0x80)) {
		io->nwin = 1;
		io->win[0].base = 0;
		io->win[0].len = (1 << (io->flags & CISTPL_IO_LINES_MASK));
		return p+1;
	}

	if (++p == q) return NULL;
	io->nwin = (*p & 0x0f) + 1;
	bsz = (*p & 0x30) >> 4;
	if (bsz == 3) bsz++;
	lsz = (*p & 0xc0) >> 6;
	if (lsz == 3) lsz++;
	p++;
    
	for (i = 0; i < io->nwin; i++) {
		io->win[i].base = 0;
		io->win[i].len = 1;
		for (j = 0; j < bsz; j++, p++) {
			if (p == q) return NULL;
			io->win[i].base += *p << (j*8);
		}
		for (j = 0; j < lsz; j++, p++) {
			if (p == q) return NULL;
			io->win[i].len += *p << (j*8);
		}
	}
	
	return p;
}

static unsigned char *parse_mem(unsigned char *p, unsigned char *q, 
							cistpl_mem_t *mem)
{
	int		i, j, asz, lsz, has_ha;
	unsigned int	len, ca, ha;

	if (p == q) return NULL;
	mem->nwin = (*p & 0x07) + 1;
	lsz = (*p & 0x18) >> 3;
	asz = (*p & 0x60) >> 5;
	has_ha = (*p & 0x80);
	if (++p == q) return NULL;
	
	for (i = 0; i < mem->nwin; i++) {
		len = ca = ha = 0;
		for (j = 0; j < lsz; j++, p++) {
			if (p == q) return NULL;
			len += *p << (j*8);
		}
		for (j = 0; j < asz; j++, p++) {
			if (p == q) return NULL;
			ca += *p << (j*8);
		}
		if (has_ha)
			for (j = 0; j < asz; j++, p++) {
				if (p == q) return NULL;
				ha += *p << (j*8);
			}
			mem->win[i].len = len << 8;
			mem->win[i].card_addr = ca << 8;
			mem->win[i].host_addr = ha << 8;
	}

	return p;
}

static unsigned char *parse_irq(unsigned char *p, unsigned char *q, 
							cistpl_irq_t *irq)
{
	if (p == q) return NULL;
	irq->IRQInfo1 = *p; p++;
	if (irq->IRQInfo1 & IRQ_INFO2_VALID) {
		if (p+2 > q) return NULL;
		irq->IRQInfo2 = (p[1]<<8) + p[0];
		p += 2;
	}
	return p;
}

static int parse_cftable_entry(tuple_t *tuple, cistpl_cftable_entry_t *entry)
{
	unsigned char	*p, *q, features;

	p = tuple->TupleData;
	q = p + tuple->TupleDataLen;
	entry->index = *p & 0x3f;
	entry->flags = 0;
	if (*p & 0x40)
		entry->flags |= CISTPL_CFTABLE_DEFAULT;
	if (*p & 0x80) {
		if (++p == q) return CS_BAD_TUPLE;
		if (*p & 0x10)
			entry->flags |= CISTPL_CFTABLE_BVDS;
		if (*p & 0x20)
			entry->flags |= CISTPL_CFTABLE_WP;
		if (*p & 0x40)
			entry->flags |= CISTPL_CFTABLE_RDYBSY;
		if (*p & 0x80)
			entry->flags |= CISTPL_CFTABLE_MWAIT;
		entry->interface = *p & 0x0f;
	} else
		entry->interface = 0;
	
	/* Process optional features */
	if (++p == q) return CS_BAD_TUPLE;
	features = *p; p++;

	/* Power options */
	if ((features & 3) > 0) {
		p = parse_power(p, q, &entry->vcc);
		if (p == NULL) return CS_BAD_TUPLE;
	} else
		entry->vcc.present = 0;
	
	if ((features & 3) > 1) {
		p = parse_power(p, q, &entry->vpp1);
		if (p == NULL) return CS_BAD_TUPLE;
	} else
		entry->vpp1.present = 0;

	if ((features & 3) > 2) {
		p = parse_power(p, q, &entry->vpp2);
		if (p == NULL) return CS_BAD_TUPLE;
	} else
		entry->vpp2.present = 0;
	
	 /* Timing options */
	if (features & 0x04) {
		p = parse_timing(p, q, &entry->timing);
		if (p == NULL) return CS_BAD_TUPLE;
	} else {
		entry->timing.wait = 0;
		entry->timing.ready = 0;
		entry->timing.reserved = 0;
	}
    
	/* I/O window options */
	if (features & 0x08) {
		p = parse_io(p, q, &entry->io);
		if (p == NULL) return CS_BAD_TUPLE;
	} else
		entry->io.nwin = 0;
	
	/* Interrupt options */
	if (features & 0x10) {
		p = parse_irq(p, q, &entry->irq);
		if (p == NULL) return CS_BAD_TUPLE;
	} else
		entry->irq.IRQInfo1 = 0;
	
	switch (features & 0x60) {
	case 0x00:
		entry->mem.nwin = 0;
		break;
	case 0x20:
		entry->mem.nwin = 1;
		entry->mem.win[0].len = le16_to_cpu(*(unsigned short *)p) << 8;
		entry->mem.win[0].card_addr = 0;
		entry->mem.win[0].host_addr = 0;
		p += 2;
		if (p > q) return CS_BAD_TUPLE;
		break;
	case 0x40:
		entry->mem.nwin = 1;
		entry->mem.win[0].len = le16_to_cpu(*(unsigned short *)p) << 8;
		entry->mem.win[0].card_addr =
				    le16_to_cpu(*(unsigned short *)(p+2)) << 8;
		entry->mem.win[0].host_addr = 0;
		p += 4;
		if (p > q) return CS_BAD_TUPLE;
		break;
	case 0x60:
		p = parse_mem(p, q, &entry->mem);
		if (p == NULL) return CS_BAD_TUPLE;
		break;
	}

	/* Misc features */
	if (features & 0x80) {
		if (p == q) return CS_BAD_TUPLE;
		entry->flags |= (*p << 8);
		while (*p & 0x80)
			if (++p == q) return CS_BAD_TUPLE;
		p++;
	}

	entry->subtuples = q - p;

	return CS_SUCCESS;
}

static int parse_tuple(tuple_t *tuple, cisparse_t *parse)
{
	int	ret = CS_SUCCESS;

	if (tuple->TupleDataLen > tuple->TupleDataMax)
		return CS_BAD_TUPLE;

#ifdef DEBUG
	printf("Tuple Code = 0x%02X\n", tuple->TupleCode);
#endif	/* DEBUG */

	switch (tuple->TupleCode) {
    	case CISTPL_DEVICE:
	case CISTPL_DEVICE_A:
		ret = parse_device(tuple, &parse->device);
		break;
	case CISTPL_VERS_1:
		ret = parse_vers_1(tuple, &parse->version_1);
		break;
	case CISTPL_MANFID:
		ret = parse_manfid(tuple, &parse->manfid);
		break;
	case CISTPL_FUNCID:
		ret = parse_funcid(tuple, &parse->funcid);
		break;
	case CISTPL_FUNCE:
		ret = parse_funce(tuple, &parse->funce);
		break;
    	case CISTPL_CONFIG:
		ret = parse_config(tuple, &parse->config);
		break;
	case CISTPL_CFTABLE_ENTRY:
		ret = parse_cftable_entry(tuple, &parse->cftable_entry);
		break;
	case CISTPL_NO_LINK:
	case CISTPL_LINKTARGET:
		ret = CS_SUCCESS;
		break;
	default:
		ret = CS_UNSUPPORTED_FUNCTION;
		break;
	}

	return ret;
}

static int get_tuple(unsigned char *buf, int nb, tuple_t *tuple, int first)
{
	unsigned int	ofs;

	if (!nb)
		return -1;

	if (first) {
		tuple->TupleLink = tuple->CISOffset = 0;
		tuple->TupleDataMax = 255;
	}

	ofs = tuple->CISOffset + tuple->TupleLink;

	if (ofs >= nb) return -1;

	tuple->TupleCode = buf[ofs++];
	tuple->TupleDataLen = tuple->TupleLink = buf[ofs++];
	tuple->CISOffset = ofs;

	if (tuple->TupleData) {
		memset(tuple->TupleData, 0, 255);
		memcpy(tuple->TupleData, buf + ofs, tuple->TupleLink);
	}

	return CS_SUCCESS;
}

int main(int argc, char *argv[])
{
	int		first, fd = 0, flag = 0, cislen = 0, sockfd = 0;
	unsigned char	cisbuf[512];
	struct iwreq	iwr;
	tuple_parse_t	tp;

	memset(&cisbuf, 0, sizeof(cisbuf));
	memset(&iwr, 0, sizeof(iwr));
	memset(&tp, 0, sizeof(tuple_parse_t));
	
	if (argc < 2) {
		fprintf(stderr, "Invalid number of parameters!\n");
		display_usage();
		exit(1);
	}

	strncpy(iwr.ifr_name, argv[1], IFNAMSIZ);
	iwr.u.data.pointer = (caddr_t) cisbuf;
	/*
	 * create a socket 
	 */
	if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
		fprintf(stderr, "wlancis: Cannot open socket.\n");
		exit(1);
	}

	/* call ioctl */
	if (ioctl(sockfd, WLANCISDUMP, &iwr)) {
		perror("wlancis");
		fprintf(stderr, "wlancis: Cmd unsupported by %s\n", argv[1]);
		exit(1);
	}
	
	cislen = iwr.u.data.length;
	
#ifdef DEBUG
	hexdump("wlan cis", cisbuf, cislen, ' ');
#endif	/* DEBUG */

	if (argc > 2) {
		flag = 1;
		fd = open(argv[2], O_CREAT | O_RDWR | O_TRUNC, 00666); 
		if (fd < 0) {
			perror("wlancis - open error");
			exit(1);
		}
		printf("Open success\n");
	}
	
	if (flag) {
		if (write(fd, cisbuf, cislen) != cislen)
			perror("wlancis - write error");
	}
	
	tp.tuple.TupleDataMax = sizeof(tp.data);
	tp.tuple.TupleOffset = 0;
	tp.tuple.TupleData = tp.data;

	for (first = 1; ; first = 0) {
		if (get_tuple(cisbuf, cislen, &tp.tuple, first))
			break;

#ifdef DEBUG
		print_tuple(&tp);
#endif	/* DEBUG */
		
		if (parse_tuple(&tp.tuple, &tp.parse) == CS_SUCCESS)
			print_parse(&tp);
	    
		if (tp.tuple.TupleCode == CISTPL_END)
			break;
	}
				
	return 0;
}