sm->scanning = 1;
spin_unlock_irqrestore(&sm->lock, flags);
+ netif_tx_disable(sm->ieee->dev);
ret = sm->start_scan(sm->dev);
if (ret) {
spin_lock_irqsave(&sm->lock, flags);
/* internal scanning implementation follows */
-void ieee80211softmac_scan(void *d)
+void ieee80211softmac_scan(struct work_struct *work)
{
int invalid_channel;
u8 current_channel_idx;
- struct ieee80211softmac_device *sm = (struct ieee80211softmac_device *)d;
- struct ieee80211softmac_scaninfo *si = sm->scaninfo;
+ struct ieee80211softmac_scaninfo *si =
+ container_of(work, struct ieee80211softmac_scaninfo,
+ softmac_scan.work);
+ struct ieee80211softmac_device *sm = si->mac;
unsigned long flags;
while (!(si->stop) && (si->current_channel_idx < si->number_channels)) {
// TODO: is this if correct, or should we do this only if scanning from assoc request?
if (sm->associnfo.req_essid.len)
ieee80211softmac_send_mgt_frame(sm, &sm->associnfo.req_essid, IEEE80211_STYPE_PROBE_REQ, 0);
+
+ spin_lock_irqsave(&sm->lock, flags);
+ if (unlikely(!sm->running)) {
+ /* Prevent reschedule on workqueue flush */
+ spin_unlock_irqrestore(&sm->lock, flags);
+ break;
+ }
schedule_delayed_work(&si->softmac_scan, IEEE80211SOFTMAC_PROBE_DELAY);
+ spin_unlock_irqrestore(&sm->lock, flags);
return;
} else {
dprintk(PFX "Not probing Channel %d (not allowed here)\n", si->channels[current_channel_idx].channel);
struct ieee80211softmac_scaninfo *info = kmalloc(sizeof(struct ieee80211softmac_scaninfo), GFP_ATOMIC);
if (unlikely(!info))
return NULL;
- INIT_WORK(&info->softmac_scan, ieee80211softmac_scan, mac);
+ INIT_DELAYED_WORK(&info->softmac_scan, ieee80211softmac_scan);
+ info->mac = mac;
init_completion(&info->finished);
return info;
}
sm->scaninfo->started = 1;
sm->scaninfo->stop = 0;
INIT_COMPLETION(sm->scaninfo->finished);
- schedule_work(&sm->scaninfo->softmac_scan);
+ schedule_delayed_work(&sm->scaninfo->softmac_scan, 0);
spin_unlock_irqrestore(&sm->lock, flags);
return 0;
}
sm->scanning = 0;
spin_unlock_irqrestore(&sm->lock, flags);
+ if (sm->associnfo.bssvalid) {
+ struct ieee80211softmac_network *net;
+
+ net = ieee80211softmac_get_network_by_bssid(sm, sm->associnfo.bssid);
+ if (net)
+ sm->set_channel(sm->dev, net->channel);
+ }
+ netif_wake_queue(sm->ieee->dev);
ieee80211softmac_call_events(sm, IEEE80211SOFTMAC_EVENT_SCAN_FINISHED, NULL);
}
EXPORT_SYMBOL_GPL(ieee80211softmac_scan_finished);