int lbs_stop_iface(struct lbs_private *priv)
{
unsigned long flags;
int ret = 0;
lbs_deb_enter(LBS_DEB_MAIN);
spin_lock_irqsave(&priv->driver_lock, flags);
priv->iface_running = false;
kfree_skb(priv->currenttxskb);
priv->currenttxskb = NULL;
priv->tx_pending_len = 0;
spin_unlock_irqrestore(&priv->driver_lock, flags);
cancel_work_sync(&priv->mcast_work);
del_timer_sync(&priv->tx_lockup_timer);
/* Disable command processing, and wait for all commands to complete */
lbs_deb_main("waiting for commands to complete\n");
wait_event(priv->waitq, lbs_command_queue_empty(priv));
lbs_deb_main("all commands completed\n");
if (priv->power_save)
ret = priv->power_save(priv);
lbs_deb_leave(LBS_DEB_MAIN);
return ret;
}
/**
* auto_deepsleep_timer_fn - put the device back to deep sleep mode when
* timer expires and no activity (command, event, data etc.) is detected.
* @data: &struct lbs_private pointer
* returns: N/A
*/
static void auto_deepsleep_timer_fn(unsigned long data)
{
struct lbs_private *priv = (struct lbs_private *)data;
lbs_deb_enter(LBS_DEB_CMD);
if (priv->is_activity_detected) {
priv->is_activity_detected = 0;
} else {
if (priv->is_auto_deep_sleep_enabled &&
(!priv->wakeup_dev_required) &&
(priv->connect_status != LBS_CONNECTED)) {
struct cmd_header cmd;
lbs_deb_main("Entering auto deep sleep mode...\n");
memset(&cmd, 0, sizeof(cmd));
cmd.size = cpu_to_le16(sizeof(cmd));
lbs_cmd_async(priv, CMD_802_11_DEEP_SLEEP, &cmd,
sizeof(cmd));
}
}
mod_timer(&priv->auto_deepsleep_timer , jiffies +
(priv->auto_deep_sleep_timeout * HZ)/1000);
lbs_deb_leave(LBS_DEB_CMD);
}
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);
}
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);
}
