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); }