ray_cs.c

来自「LINUX 2.6.17.4的源码」· C语言 代码 · 共 1,911 行 · 第 1/5 页

	ray_dev_t *local = (ray_dev_t *)dev->priv;

	fwrq->m = local->sparm.b5.a_hop_pattern;
	fwrq->e = 0;
	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set ESSID
 */
static int ray_set_essid(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_point *dwrq,
			 char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;

	/* Reject if card is already initialised */
	if(local->card_status != CARD_AWAITING_PARAM)
		return -EBUSY;

	/* Check if we asked for `any' */
	if(dwrq->flags == 0) {
		/* Corey : can you do that ? */
		return -EOPNOTSUPP;
	} else {
		/* Check the size of the string */
		if(dwrq->length > IW_ESSID_MAX_SIZE + 1) {
			return -E2BIG;
		}

		/* Set the ESSID in the card */
		memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
		memcpy(local->sparm.b5.a_current_ess_id, extra, dwrq->length);
	}

	return -EINPROGRESS;		/* Call commit handler */
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get ESSID
 */
static int ray_get_essid(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_point *dwrq,
			 char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;

	/* Get the essid that was set */
	memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
	extra[IW_ESSID_MAX_SIZE] = '\0';

	/* Push it out ! */
	dwrq->length = strlen(extra);
	dwrq->flags = 1; /* active */

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get AP address
 */
static int ray_get_wap(struct net_device *dev,
			struct iw_request_info *info,
			struct sockaddr *awrq,
			char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;

	memcpy(awrq->sa_data, local->bss_id, ETH_ALEN);
	awrq->sa_family = ARPHRD_ETHER;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set Bit-Rate
 */
static int ray_set_rate(struct net_device *dev,
			struct iw_request_info *info,
			struct iw_param *vwrq,
			char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;

	/* Reject if card is already initialised */
	if(local->card_status != CARD_AWAITING_PARAM)
		return -EBUSY;

	/* Check if rate is in range */
	if((vwrq->value != 1000000) && (vwrq->value != 2000000))
		return -EINVAL;

	/* Hack for 1.5 Mb/s instead of 2 Mb/s */
	if((local->fw_ver == 0x55) &&		/* Please check */
	   (vwrq->value == 2000000))
		local->net_default_tx_rate = 3;
	else
		local->net_default_tx_rate = vwrq->value/500000;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get Bit-Rate
 */
static int ray_get_rate(struct net_device *dev,
			struct iw_request_info *info,
			struct iw_param *vwrq,
			char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;

	if(local->net_default_tx_rate == 3)
		vwrq->value = 2000000;		/* Hum... */
	else
		vwrq->value = local->net_default_tx_rate * 500000;
	vwrq->fixed = 0;		/* We are in auto mode */

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set RTS threshold
 */
static int ray_set_rts(struct net_device *dev,
		       struct iw_request_info *info,
		       struct iw_param *vwrq,
		       char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;
	int rthr = vwrq->value;

	/* Reject if card is already initialised */
	if(local->card_status != CARD_AWAITING_PARAM)
		return -EBUSY;

	/* if(wrq->u.rts.fixed == 0) we should complain */
	if(vwrq->disabled)
		rthr = 32767;
	else {
		if((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
			return -EINVAL;
	}
	local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
	local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;

	return -EINPROGRESS;		/* Call commit handler */
}


/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get RTS threshold
 */
static int ray_get_rts(struct net_device *dev,
		       struct iw_request_info *info,
		       struct iw_param *vwrq,
		       char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;

	vwrq->value = (local->sparm.b5.a_rts_threshold[0] << 8)
		+ local->sparm.b5.a_rts_threshold[1];
	vwrq->disabled = (vwrq->value == 32767);
	vwrq->fixed = 1;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set Fragmentation threshold
 */
static int ray_set_frag(struct net_device *dev,
			struct iw_request_info *info,
			struct iw_param *vwrq,
			char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;
	int fthr = vwrq->value;

	/* Reject if card is already initialised */
	if(local->card_status != CARD_AWAITING_PARAM)
		return -EBUSY;

	/* if(wrq->u.frag.fixed == 0) should complain */
	if(vwrq->disabled)
		fthr = 32767;
	else {
		if((fthr < 256) || (fthr > 2347)) /* To check out ! */
			return -EINVAL;
	}
	local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
	local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;

	return -EINPROGRESS;		/* Call commit handler */
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get Fragmentation threshold
 */
static int ray_get_frag(struct net_device *dev,
			struct iw_request_info *info,
			struct iw_param *vwrq,
			char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;

	vwrq->value = (local->sparm.b5.a_frag_threshold[0] << 8)
		+ local->sparm.b5.a_frag_threshold[1];
	vwrq->disabled = (vwrq->value == 32767);
	vwrq->fixed = 1;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : set Mode of Operation
 */
static int ray_set_mode(struct net_device *dev,
			struct iw_request_info *info,
			__u32 *uwrq,
			char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;
	int err = -EINPROGRESS;		/* Call commit handler */
	char card_mode = 1;

	/* Reject if card is already initialised */
	if(local->card_status != CARD_AWAITING_PARAM)
		return -EBUSY;

	switch (*uwrq)
	{
	case IW_MODE_ADHOC:
		card_mode = 0;
		// Fall through
	case IW_MODE_INFRA:
		local->sparm.b5.a_network_type = card_mode;
		break;
	default:
		err = -EINVAL;
	}

	return err;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get Mode of Operation
 */
static int ray_get_mode(struct net_device *dev,
			struct iw_request_info *info,
			__u32 *uwrq,
			char *extra)
{
	ray_dev_t *local = (ray_dev_t *)dev->priv;

	if(local->sparm.b5.a_network_type)
		*uwrq = IW_MODE_INFRA;
	else
		*uwrq = IW_MODE_ADHOC;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Handler : get range info
 */
static int ray_get_range(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_point *dwrq,
			 char *extra)
{
	struct iw_range *range = (struct iw_range *) extra;

	memset((char *) range, 0, sizeof(struct iw_range));

	/* Set the length (very important for backward compatibility) */
	dwrq->length = sizeof(struct iw_range);

	/* Set the Wireless Extension versions */
	range->we_version_compiled = WIRELESS_EXT;
	range->we_version_source = 9;

	/* Set information in the range struct */
	range->throughput = 1.1 * 1000 * 1000;	/* Put the right number here */
	range->num_channels = hop_pattern_length[(int)country]; 
	range->num_frequency = 0;
	range->max_qual.qual = 0;
	range->max_qual.level = 255;	/* What's the correct value ? */
	range->max_qual.noise = 255;	/* Idem */
	range->num_bitrates = 2;
	range->bitrate[0] = 1000000;	/* 1 Mb/s */
	range->bitrate[1] = 2000000;	/* 2 Mb/s */
	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Private Handler : set framing mode
 */
static int ray_set_framing(struct net_device *dev,
			   struct iw_request_info *info,
			   union iwreq_data *wrqu,
			   char *extra)
{
	translate = *(extra);	/* Set framing mode */

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Private Handler : get framing mode
 */
static int ray_get_framing(struct net_device *dev,
			   struct iw_request_info *info,
			   union iwreq_data *wrqu,
			   char *extra)
{
	*(extra) = translate;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Wireless Private Handler : get country
 */
static int ray_get_country(struct net_device *dev,
			   struct iw_request_info *info,
			   union iwreq_data *wrqu,
			   char *extra)
{
	*(extra) = country;

	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Commit handler : called after a bunch of SET operations
 */
static int ray_commit(struct net_device *dev,
		      struct iw_request_info *info,	/* NULL */
		      void *zwrq,			/* NULL */
		      char *extra)			/* NULL */
{
	return 0;
}

/*------------------------------------------------------------------*/
/*
 * Stats handler : return Wireless Stats
 */
static iw_stats * ray_get_wireless_stats(struct net_device *	dev)
{
  ray_dev_t *	local = (ray_dev_t *) dev->priv;
  struct pcmcia_device *link = local->finder;
  struct status __iomem *p = local->sram + STATUS_BASE;

  if(local == (ray_dev_t *) NULL)
    return (iw_stats *) NULL;

  local->wstats.status = local->card_status;
#ifdef WIRELESS_SPY
  if((local->spy_data.spy_number > 0) && (local->sparm.b5.a_network_type == 0))
    {
      /* Get it from the first node in spy list */
      local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
      local->wstats.qual.level = local->spy_data.spy_stat[0].level;