return 0;
}
+static bool ieee80211_can_scan(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata)
+{
+ if (!list_empty(&local->work_list))
+ return false;
+
+ if (sdata->vif.type == NL80211_IFTYPE_STATION &&
+ sdata->u.mgd.flags & (IEEE80211_STA_BEACON_POLL |
+ IEEE80211_STA_CONNECTION_POLL))
+ return false;
+
+ return true;
+}
+
+void ieee80211_run_deferred_scan(struct ieee80211_local *local)
+{
+ lockdep_assert_held(&local->mtx);
+
+ if (!local->scan_req || local->scanning)
+ return;
+
+ if (!ieee80211_can_scan(local, local->scan_sdata))
+ return;
+
+ ieee80211_queue_delayed_work(&local->hw, &local->scan_work,
+ round_jiffies_relative(0));
+}
static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
struct cfg80211_scan_request *req)
if (local->scan_req)
return -EBUSY;
- if (!list_empty(&local->work_list)) {
+ if (!ieee80211_can_scan(local, sdata)) {
/* wait for the work to finish/time out */
local->scan_req = req;
local->scan_sdata = sdata;