Exemplo n.º 1
0
static struct iw_statistics *orinoco_get_wireless_stats(struct net_device *dev)
{
	struct orinoco_private *priv = ndev_priv(dev);
	hermes_t *hw = &priv->hw;
	struct iw_statistics *wstats = &priv->wstats;
	int err;
	unsigned long flags;

	if (!netif_device_present(dev)) {
		printk(KERN_WARNING "%s: get_wireless_stats() called while device not present\n",
		       dev->name);
		return NULL; /* FIXME: Can we do better than this? */
	}

	/* If busy, return the old stats.  Returning NULL may cause
	 * the interface to disappear from /proc/net/wireless */
	if (orinoco_lock(priv, &flags) != 0)
		return wstats;

	/* We can't really wait for the tallies inquiry command to
	 * complete, so we just use the previous results and trigger
	 * a new tallies inquiry command for next time - Jean II */
	/* FIXME: Really we should wait for the inquiry to come back -
	 * as it is the stats we give don't make a whole lot of sense.
	 * Unfortunately, it's not clear how to do that within the
	 * wireless extensions framework: I think we're in user
	 * context, but a lock seems to be held by the time we get in
	 * here so we're not safe to sleep here. */
	hermes_inquire(hw, HERMES_INQ_TALLIES);

	if (priv->iw_mode == NL80211_IFTYPE_ADHOC) {
		memset(&wstats->qual, 0, sizeof(wstats->qual));
		/* If a spy address is defined, we report stats of the
		 * first spy address - Jean II */
		if (SPY_NUMBER(priv)) {
			wstats->qual.qual = priv->spy_data.spy_stat[0].qual;
			wstats->qual.level = priv->spy_data.spy_stat[0].level;
			wstats->qual.noise = priv->spy_data.spy_stat[0].noise;
			wstats->qual.updated =
				priv->spy_data.spy_stat[0].updated;
		}
	} else {
		struct {
			__le16 qual, signal, noise, unused;
<<<<<<< HEAD
		} __packed cq;
=======
		} __attribute__ ((packed)) cq;
Exemplo n.º 2
0
Arquivo: hw.c Projeto: 020gzh/linux
int orinoco_hw_trigger_scan(struct orinoco_private *priv,
			    const struct cfg80211_ssid *ssid)
{
	struct net_device *dev = priv->ndev;
	struct hermes *hw = &priv->hw;
	unsigned long flags;
	int err = 0;

	if (orinoco_lock(priv, &flags) != 0)
		return -EBUSY;

	/* Scanning with port 0 disabled would fail */
	if (!netif_running(dev)) {
		err = -ENETDOWN;
		goto out;
	}

	/* In monitor mode, the scan results are always empty.
	 * Probe responses are passed to the driver as received
	 * frames and could be processed in software. */
	if (priv->iw_mode == NL80211_IFTYPE_MONITOR) {
		err = -EOPNOTSUPP;
		goto out;
	}

	if (priv->has_hostscan) {
		switch (priv->firmware_type) {
		case FIRMWARE_TYPE_SYMBOL:
			err = hermes_write_wordrec(hw, USER_BAP,
						HERMES_RID_CNFHOSTSCAN_SYMBOL,
						HERMES_HOSTSCAN_SYMBOL_ONCE |
						HERMES_HOSTSCAN_SYMBOL_BCAST);
			break;
		case FIRMWARE_TYPE_INTERSIL: {
			__le16 req[3];

			req[0] = cpu_to_le16(0x3fff);	/* All channels */
			req[1] = cpu_to_le16(0x0001);	/* rate 1 Mbps */
			req[2] = 0;			/* Any ESSID */
			err = HERMES_WRITE_RECORD(hw, USER_BAP,
						  HERMES_RID_CNFHOSTSCAN, &req);
			break;
		}
		case FIRMWARE_TYPE_AGERE:
			if (ssid->ssid_len > 0) {
				struct hermes_idstring idbuf;
				size_t len = ssid->ssid_len;

				idbuf.len = cpu_to_le16(len);
				memcpy(idbuf.val, ssid->ssid, len);

				err = hw->ops->write_ltv(hw, USER_BAP,
					       HERMES_RID_CNFSCANSSID_AGERE,
					       HERMES_BYTES_TO_RECLEN(len + 2),
					       &idbuf);
			} else
				err = hermes_write_wordrec(hw, USER_BAP,
						   HERMES_RID_CNFSCANSSID_AGERE,
						   0);	/* Any ESSID */
			if (err)
				break;

			if (priv->has_ext_scan) {
				err = hermes_write_wordrec(hw, USER_BAP,
						HERMES_RID_CNFSCANCHANNELS2GHZ,
						0x7FFF);
				if (err)
					goto out;

				err = hermes_inquire(hw,
						     HERMES_INQ_CHANNELINFO);
			} else
				err = hermes_inquire(hw, HERMES_INQ_SCAN);

			break;
		}
	} else
		err = hermes_inquire(hw, HERMES_INQ_SCAN);

 out:
	orinoco_unlock(priv, &flags);

	return err;
}