Ejemplo n.º 1
0
int configureConnection(kern_ctl_ref ctlref, u_int unit, void *userdata, int opt, void *data, size_t len)
{
	//on off
	if (opt==1)
	{
		if (clone->priv->status & (STATUS_RF_KILL_SW | STATUS_RF_KILL_HW)) // off -> on
		{
			//clone->priv->config &= ~CFG_ASSOCIATE;
			IOLog("Trying to turn card on...\n");	
			clone->priv->status &= ~STATUS_RF_KILL_HW;
			clone->priv->status &= ~STATUS_RF_KILL_SW;
			clone->priv->status &= ~(STATUS_AUTH);
			iwl_up(clone->priv);
		}
		else
		{
			IOLog("Trying to turn card off...\n");
			clone->priv->status |= STATUS_RF_KILL_HW;
			clone->priv->status |= STATUS_RF_KILL_SW;
			clone->priv->status &= ~(STATUS_AUTH);
			iwl_down(clone->priv);
		}	
	}
	
	//Scan
	if(opt==2){
		printf("2\n");
		iwl_scan_initiate(clone->priv);
	}

	return(0);
}
Ejemplo n.º 2
0
int iwl_mac_hw_scan(struct ieee80211_hw *hw,
		    struct ieee80211_vif *vif,
		    struct cfg80211_scan_request *req)
{
	struct iwl_priv *priv = hw->priv;
	int ret;

	IWL_DEBUG_MAC80211(priv, "enter\n");

	if (req->n_channels == 0)
		return -EINVAL;

	mutex_lock(&priv->mutex);

	if (!iwl_is_ready_rf(priv)) {
		ret = -EIO;
		IWL_DEBUG_MAC80211(priv, "leave - not ready or exit pending\n");
		goto out_unlock;
	}

	if (test_bit(STATUS_SCANNING, &priv->status) &&
	    !priv->is_internal_short_scan) {
		IWL_DEBUG_SCAN(priv, "Scan already in progress.\n");
		ret = -EAGAIN;
		goto out_unlock;
	}

	if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
		IWL_DEBUG_SCAN(priv, "Scan request while abort pending\n");
		ret = -EAGAIN;
		goto out_unlock;
	}

	/* mac80211 will only ask for one band at a time */
	priv->scan_band = req->channels[0]->band;
	priv->scan_request = req;
	priv->scan_vif = vif;

	/*
	 * If an internal scan is in progress, just set
	 * up the scan_request as per above.
	 */
	if (priv->is_internal_short_scan)
		ret = 0;
	else
		ret = iwl_scan_initiate(priv, vif);

	IWL_DEBUG_MAC80211(priv, "leave\n");

out_unlock:
	mutex_unlock(&priv->mutex);

	return ret;
}
Ejemplo n.º 3
0
static void iwl_process_scan_complete(struct iwl_priv *priv)
{
    bool aborted;

    lockdep_assert_held(&priv->mutex);

    if (!test_and_clear_bit(STATUS_SCAN_COMPLETE, &priv->status))
        return;

    IWL_DEBUG_SCAN(priv, "Completed scan.\n");

    cancel_delayed_work(&priv->scan_check);

    aborted = test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->status);
    if (aborted)
        IWL_DEBUG_SCAN(priv, "Aborted scan completed.\n");

    if (!test_and_clear_bit(STATUS_SCANNING, &priv->status)) {
        IWL_DEBUG_SCAN(priv, "Scan already completed.\n");
        goto out_settings;
    }

    if (priv->scan_type != IWL_SCAN_NORMAL && !aborted) {
        int err;

        /* Check if mac80211 requested scan during our internal scan */
        if (priv->scan_request == NULL)
            goto out_complete;

        /* If so request a new scan */
        err = iwl_scan_initiate(priv, priv->scan_vif, IWL_SCAN_NORMAL,
                                priv->scan_request->channels[0]->band);
        if (err) {
            IWL_DEBUG_SCAN(priv,
                           "failed to initiate pending scan: %d\n", err);
            aborted = true;
            goto out_complete;
        }

        return;
    }

out_complete:
    iwl_complete_scan(priv, aborted);

out_settings:
    /* Can we still talk to firmware ? */
    if (!iwl_is_ready_rf(priv))
        return;

    iwlagn_post_scan(priv);
}
Ejemplo n.º 4
0
void iwl_bg_scan_completed(struct work_struct *work)
{
	struct iwl_priv *priv =
	    container_of(work, struct iwl_priv, scan_completed);
	bool internal = false;

	IWL_DEBUG_SCAN(priv, "SCAN complete scan\n");

	cancel_delayed_work(&priv->scan_check);

	mutex_lock(&priv->mutex);
	if (priv->is_internal_short_scan) {
		priv->is_internal_short_scan = false;
		IWL_DEBUG_SCAN(priv, "internal short scan completed\n");
		internal = true;
	} else {
		priv->scan_request = NULL;
		priv->scan_vif = NULL;
	}

	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
		goto out;

	if (internal && priv->scan_request)
		iwl_scan_initiate(priv, priv->scan_vif);

	/* Since setting the TXPOWER may have been deferred while
	 * performing the scan, fire one off */
	iwl_set_tx_power(priv, priv->tx_power_user_lmt, true);

	/*
	 * Since setting the RXON may have been deferred while
	 * performing the scan, fire one off if needed
	 */
	if (memcmp(&priv->active_rxon,
		   &priv->staging_rxon, sizeof(priv->staging_rxon)))
		iwlcore_commit_rxon(priv);

 out:
	mutex_unlock(&priv->mutex);

	/*
	 * Do not hold mutex here since this will cause mac80211 to call
	 * into driver again into functions that will attempt to take
	 * mutex.
	 */
	if (!internal)
		ieee80211_scan_completed(priv->hw, false);
}
Ejemplo n.º 5
0
static int iwl_send_scan_abort(struct iwl_priv *priv)
{
	int ret;
	struct iwl_host_cmd cmd = {
		.id = REPLY_SCAN_ABORT_CMD,
		.flags = CMD_SYNC | CMD_WANT_SKB,
	};
	__le32 *status;

	/* Exit instantly with error when device is not ready
	 * to receive scan abort command or it does not perform
	 * hardware scan currently */
	if (!test_bit(STATUS_READY, &priv->status) ||
	    !test_bit(STATUS_SCAN_HW, &priv->status) ||
	    test_bit(STATUS_FW_ERROR, &priv->status))
		return -EIO;

	ret = iwl_dvm_send_cmd(priv, &cmd);
	if (ret)
		return ret;

	status = (void *)cmd.resp_pkt->data;
	if (*status != CAN_ABORT_STATUS) {
		/* The scan abort will return 1 for success or
		 * 2 for "failure".  A failure condition can be
		 * due to simply not being in an active scan which
		 * can occur if we send the scan abort before we
		 * the microcode has notified us that a scan is
		 * completed. */
		IWL_DEBUG_SCAN(priv, "SCAN_ABORT ret %d.\n",
			       le32_to_cpu(*status));
		ret = -EIO;
	}

	iwl_free_resp(&cmd);
	return ret;
}

static void iwl_complete_scan(struct iwl_priv *priv, bool aborted)
{
	/* check if scan was requested from mac80211 */
	if (priv->scan_request) {
		IWL_DEBUG_SCAN(priv, "Complete scan in mac80211\n");
		ieee80211_scan_completed(priv->hw, aborted);
	}

	priv->scan_type = IWL_SCAN_NORMAL;
	priv->scan_vif = NULL;
	priv->scan_request = NULL;
}

static void iwl_process_scan_complete(struct iwl_priv *priv)
{
	bool aborted;

	lockdep_assert_held(&priv->mutex);

	if (!test_and_clear_bit(STATUS_SCAN_COMPLETE, &priv->status))
		return;

	IWL_DEBUG_SCAN(priv, "Completed scan.\n");

	cancel_delayed_work(&priv->scan_check);

	aborted = test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->status);
	if (aborted)
		IWL_DEBUG_SCAN(priv, "Aborted scan completed.\n");

	if (!test_and_clear_bit(STATUS_SCANNING, &priv->status)) {
		IWL_DEBUG_SCAN(priv, "Scan already completed.\n");
		goto out_settings;
	}

	if (priv->scan_type != IWL_SCAN_NORMAL && !aborted) {
		int err;

		/* Check if mac80211 requested scan during our internal scan */
		if (priv->scan_request == NULL)
			goto out_complete;

		/* If so request a new scan */
		err = iwl_scan_initiate(priv, priv->scan_vif, IWL_SCAN_NORMAL,
					priv->scan_request->channels[0]->band);
		if (err) {
			IWL_DEBUG_SCAN(priv,
				"failed to initiate pending scan: %d\n", err);
			aborted = true;
			goto out_complete;
		}

		return;
	}

out_complete:
	iwl_complete_scan(priv, aborted);

out_settings:
	/* Can we still talk to firmware ? */
	if (!iwl_is_ready_rf(priv))
		return;

	iwlagn_post_scan(priv);
}
Ejemplo n.º 6
0
int iwl_mac_hw_scan(struct ieee80211_hw *hw,
		     struct cfg80211_scan_request *req)
{
	unsigned long flags;
	struct iwl_priv *priv = hw->priv;
	int ret;
	u8 *ssid = NULL;
	size_t ssid_len = 0;

	if (req->n_ssids) {
		ssid = req->ssids[0].ssid;
		ssid_len = req->ssids[0].ssid_len;
	}

	IWL_DEBUG_MAC80211(priv, "enter\n");

	mutex_lock(&priv->mutex);
	spin_lock_irqsave(&priv->lock, flags);

	if (!iwl_is_ready_rf(priv)) {
		ret = -EIO;
		IWL_DEBUG_MAC80211(priv, "leave - not ready or exit pending\n");
		goto out_unlock;
	}

	/* We don't schedule scan within next_scan_jiffies period.
	 * Avoid scanning during possible EAPOL exchange, return
	 * success immediately.
	 */
	if (priv->next_scan_jiffies &&
	    time_after(priv->next_scan_jiffies, jiffies)) {
		IWL_DEBUG_SCAN(priv, "scan rejected: within next scan period\n");
		queue_work(priv->workqueue, &priv->scan_completed);
		ret = 0;
		goto out_unlock;
	}

	/* if we just finished scan ask for delay */
	if (iwl_is_associated(priv) && priv->last_scan_jiffies &&
	    time_after(priv->last_scan_jiffies + IWL_DELAY_NEXT_SCAN, jiffies)) {
		IWL_DEBUG_SCAN(priv, "scan rejected: within previous scan period\n");
		queue_work(priv->workqueue, &priv->scan_completed);
		ret = 0;
		goto out_unlock;
	}

	if (ssid_len) {
		priv->one_direct_scan = 1;
		priv->direct_ssid_len =  ssid_len;
		memcpy(priv->direct_ssid, ssid, priv->direct_ssid_len);
	} else {
		priv->one_direct_scan = 0;
	}

	ret = iwl_scan_initiate(priv);

	IWL_DEBUG_MAC80211(priv, "leave\n");

out_unlock:
	spin_unlock_irqrestore(&priv->lock, flags);
	mutex_unlock(&priv->mutex);

	return ret;
}
Ejemplo n.º 7
0
static int iwl_send_scan_abort(struct iwl_priv *priv)
{
	int ret;
	struct iwl_host_cmd cmd = {
		.id = REPLY_SCAN_ABORT_CMD,
		.flags = CMD_SYNC | CMD_WANT_SKB,
	};
	__le32 *status;

	if (!test_bit(STATUS_READY, &priv->status) ||
	    !test_bit(STATUS_GEO_CONFIGURED, &priv->status) ||
	    !test_bit(STATUS_SCAN_HW, &priv->status) ||
	    test_bit(STATUS_FW_ERROR, &priv->shrd->status))
		return -EIO;

	ret = iwl_dvm_send_cmd(priv, &cmd);
	if (ret)
		return ret;

	status = (void *)cmd.resp_pkt->data;
	if (*status != CAN_ABORT_STATUS) {
		IWL_DEBUG_SCAN(priv, "SCAN_ABORT ret %d.\n",
			       le32_to_cpu(*status));
		ret = -EIO;
	}

	iwl_free_resp(&cmd);
	return ret;
}

static void iwl_complete_scan(struct iwl_priv *priv, bool aborted)
{
	
	if (priv->scan_request) {
		IWL_DEBUG_SCAN(priv, "Complete scan in mac80211\n");
		ieee80211_scan_completed(priv->hw, aborted);
	}

	if (priv->scan_type == IWL_SCAN_ROC) {
		ieee80211_remain_on_channel_expired(priv->hw);
		priv->hw_roc_channel = NULL;
		schedule_delayed_work(&priv->hw_roc_disable_work, 10 * HZ);
	}

	priv->scan_type = IWL_SCAN_NORMAL;
	priv->scan_vif = NULL;
	priv->scan_request = NULL;
}

static void iwl_process_scan_complete(struct iwl_priv *priv)
{
	bool aborted;

	lockdep_assert_held(&priv->mutex);

	if (!test_and_clear_bit(STATUS_SCAN_COMPLETE, &priv->status))
		return;

	IWL_DEBUG_SCAN(priv, "Completed scan.\n");

	cancel_delayed_work(&priv->scan_check);

	aborted = test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->status);
	if (aborted)
		IWL_DEBUG_SCAN(priv, "Aborted scan completed.\n");

	if (!test_and_clear_bit(STATUS_SCANNING, &priv->status)) {
		IWL_DEBUG_SCAN(priv, "Scan already completed.\n");
		goto out_settings;
	}

	if (priv->scan_type == IWL_SCAN_ROC) {
		ieee80211_remain_on_channel_expired(priv->hw);
		priv->hw_roc_channel = NULL;
		schedule_delayed_work(&priv->hw_roc_disable_work, 10 * HZ);
	}

	if (priv->scan_type != IWL_SCAN_NORMAL && !aborted) {
		int err;

		
		if (priv->scan_request == NULL)
			goto out_complete;

		
		err = iwl_scan_initiate(priv, priv->scan_vif, IWL_SCAN_NORMAL,
					priv->scan_request->channels[0]->band);
		if (err) {
			IWL_DEBUG_SCAN(priv,
				"failed to initiate pending scan: %d\n", err);
			aborted = true;
			goto out_complete;
		}

		return;
	}

out_complete:
	iwl_complete_scan(priv, aborted);

out_settings:
	
	if (!iwl_is_ready_rf(priv))
		return;

	iwlagn_post_scan(priv);
}