コード例 #1
0
ファイル: main.c プロジェクト: Lyude/linux
void lbs_remove_card(struct lbs_private *priv)
{
	struct net_device *dev = priv->dev;

	lbs_remove_mesh(priv);

	if (priv->wiphy_registered)
		lbs_scan_deinit(priv);

	lbs_wait_for_firmware_load(priv);

	/* worker thread destruction blocks on the in-flight command which
	 * should have been cleared already in lbs_stop_card().
	 */
	lbs_deb_main("destroying worker thread\n");
	destroy_workqueue(priv->work_thread);
	lbs_deb_main("done destroying worker thread\n");

	if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
		priv->psmode = LBS802_11POWERMODECAM;
		/* no need to wakeup if already woken up,
		 * on suspend, this exit ps command is not processed
		 * the driver hangs
		 */
		if (priv->psstate != PS_STATE_FULL_POWER)
			lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, true);
	}

	if (priv->is_deep_sleep) {
		priv->is_deep_sleep = 0;
		wake_up_interruptible(&priv->ds_awake_q);
	}

	priv->is_host_sleep_configured = 0;
	priv->is_host_sleep_activated = 0;
	wake_up_interruptible(&priv->host_sleep_q);

	/* Stop the thread servicing the interrupts */
	priv->surpriseremoved = 1;
	kthread_stop(priv->main_thread);

	lbs_free_adapter(priv);
	lbs_cfg_free(priv);
	free_netdev(dev);
}
コード例 #2
0
void lbs_remove_card(struct lbs_private *priv)
{
	struct net_device *dev = priv->dev;

	lbs_deb_enter(LBS_DEB_MAIN);

	lbs_remove_mesh(priv);
	lbs_scan_deinit(priv);

	/* worker thread destruction blocks on the in-flight command which
	 * should have been cleared already in lbs_stop_card().
	 */
	lbs_deb_main("destroying worker thread\n");
	destroy_workqueue(priv->work_thread);
	lbs_deb_main("done destroying worker thread\n");

	if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
		priv->psmode = LBS802_11POWERMODECAM;
		lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, true);
	}

	if (priv->is_deep_sleep) {
		priv->is_deep_sleep = 0;
		wake_up_interruptible(&priv->ds_awake_q);
	}

	priv->is_host_sleep_configured = 0;
	priv->is_host_sleep_activated = 0;
	wake_up_interruptible(&priv->host_sleep_q);

	/* Stop the thread servicing the interrupts */
	priv->surpriseremoved = 1;
	kthread_stop(priv->main_thread);

	lbs_free_adapter(priv);
	lbs_cfg_free(priv);
	free_netdev(dev);

	lbs_deb_leave(LBS_DEB_MAIN);
}
コード例 #3
0
/**
 * lbs_add_card - adds the card. It will probe the
 * card, allocate the lbs_priv and initialize the device.
 *
 * @card:	A pointer to card
 * @dmdev:	A pointer to &struct device
 * returns:	A pointer to &struct lbs_private structure
 */
struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
{
	struct net_device *dev;
	struct wireless_dev *wdev;
	struct lbs_private *priv = NULL;

	lbs_deb_enter(LBS_DEB_MAIN);

	/* Allocate an Ethernet device and register it */
	wdev = lbs_cfg_alloc(dmdev);
	if (IS_ERR(wdev)) {
		pr_err("cfg80211 init failed\n");
		goto done;
	}

	wdev->iftype = NL80211_IFTYPE_STATION;
	priv = wdev_priv(wdev);
	priv->wdev = wdev;

	if (lbs_init_adapter(priv)) {
		pr_err("failed to initialize adapter structure\n");
		goto err_wdev;
	}

	dev = alloc_netdev(0, "wlan%d", ether_setup);
	if (!dev) {
		dev_err(dmdev, "no memory for network device instance\n");
		goto err_adapter;
	}

	dev->ieee80211_ptr = wdev;
	dev->ml_priv = priv;
	SET_NETDEV_DEV(dev, dmdev);
	wdev->netdev = dev;
	priv->dev = dev;

 	dev->netdev_ops = &lbs_netdev_ops;
	dev->watchdog_timeo = 5 * HZ;
	dev->ethtool_ops = &lbs_ethtool_ops;
	dev->flags |= IFF_BROADCAST | IFF_MULTICAST;

	priv->card = card;

	strcpy(dev->name, "wlan%d");

	lbs_deb_thread("Starting main thread...\n");
	init_waitqueue_head(&priv->waitq);
	priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main");
	if (IS_ERR(priv->main_thread)) {
		lbs_deb_thread("Error creating main thread.\n");
		goto err_ndev;
	}

	priv->work_thread = create_singlethread_workqueue("lbs_worker");
	INIT_WORK(&priv->mcast_work, lbs_set_mcast_worker);

	priv->wol_criteria = EHS_REMOVE_WAKEUP;
	priv->wol_gpio = 0xff;
	priv->wol_gap = 20;
	priv->ehs_remove_supported = true;

	goto done;

 err_ndev:
	free_netdev(dev);

 err_adapter:
	lbs_free_adapter(priv);

 err_wdev:
	lbs_cfg_free(priv);

	priv = NULL;

done:
	lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv);
	return priv;
}