static int p54_config(struct ieee80211_hw *dev, u32 changed)
{
int ret = 0;
struct p54_common *priv = dev->priv;
struct ieee80211_conf *conf = &dev->conf;
mutex_lock(&priv->conf_mutex);
if (changed & IEEE80211_CONF_CHANGE_POWER)
priv->output_power = conf->power_level << 2;
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
struct ieee80211_channel *oldchan;
WARN_ON(p54_wait_for_stats(dev));
oldchan = priv->curchan;
priv->curchan = NULL;
ret = p54_scan(priv, P54_SCAN_EXIT, 0);
if (ret) {
priv->curchan = oldchan;
goto out;
}
/*
* TODO: Use the LM_SCAN_TRAP to determine the current
* operating channel.
*/
priv->curchan = priv->hw->conf.channel;
p54_reset_stats(priv);
WARN_ON(p54_fetch_statistics(priv));
}
if (changed & IEEE80211_CONF_CHANGE_PS) {
WARN_ON(p54_wait_for_stats(dev));
ret = p54_set_ps(priv);
if (ret)
goto out;
WARN_ON(p54_wait_for_stats(dev));
}
if (changed & IEEE80211_CONF_CHANGE_IDLE) {
WARN_ON(p54_wait_for_stats(dev));
ret = p54_setup_mac(priv);
if (ret)
goto out;
WARN_ON(p54_wait_for_stats(dev));
}
out:
mutex_unlock(&priv->conf_mutex);
return ret;
}
static void p54_work(struct work_struct *work)
{
struct p54_common *priv = container_of(work, struct p54_common,
work.work);
if (unlikely(priv->mode == NL80211_IFTYPE_UNSPECIFIED))
return ;
/*
* TODO: walk through tx_queue and do the following tasks
* 1. initiate bursts.
* 2. cancel stuck frames / reset the device if necessary.
*/
mutex_lock(&priv->conf_mutex);
WARN_ON_ONCE(p54_fetch_statistics(priv));
mutex_unlock(&priv->conf_mutex);
}
