struct ieee80211_hw *hw = &local->hw;
unsigned long flags;
int queue = skb_get_queue_mapping(skb);
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+ if (WARN_ON(!info->control.vif)) {
+ kfree_skb(skb);
+ return;
+ }
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
__ieee80211_stop_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_SKB_ADD);
IEEE80211_QUEUE_STOP_REASON_SKB_ADD);
while ((skb = skb_dequeue(skbs))) {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+ if (WARN_ON(!info->control.vif)) {
+ kfree_skb(skb);
+ continue;
+ }
+
ret++;
queue = skb_get_queue_mapping(skb);
__skb_queue_tail(&local->pending[queue], skb);
}
EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces_atomic);
+/*
+ * Nothing should have been stuffed into the workqueue during
+ * the suspend->resume cycle. If this WARN is seen then there
+ * is a bug with either the driver suspend or something in
+ * mac80211 stuffing into the workqueue which we haven't yet
+ * cleared during mac80211's suspend cycle.
+ */
+static bool ieee80211_can_queue_work(struct ieee80211_local *local)
+{
+ if (WARN(local->suspended && !local->resuming,
+ "queueing ieee80211 work while going to suspend\n"))
+ return false;
+
+ return true;
+}
+
+void ieee80211_queue_work(struct ieee80211_hw *hw, struct work_struct *work)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ if (!ieee80211_can_queue_work(local))
+ return;
+
+ queue_work(local->workqueue, work);
+}
+EXPORT_SYMBOL(ieee80211_queue_work);
+
+void ieee80211_queue_delayed_work(struct ieee80211_hw *hw,
+ struct delayed_work *dwork,
+ unsigned long delay)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ if (!ieee80211_can_queue_work(local))
+ return;
+
+ queue_delayed_work(local->workqueue, dwork, delay);
+}
+EXPORT_SYMBOL(ieee80211_queue_delayed_work);
+
void ieee802_11_parse_elems(u8 *start, size_t len,
struct ieee802_11_elems *elems)
{
elems->mesh_id_len = elen;
break;
case WLAN_EID_MESH_CONFIG:
- elems->mesh_config = pos;
- elems->mesh_config_len = elen;
+ if (elen >= sizeof(struct ieee80211_meshconf_ie))
+ elems->mesh_config = (void *)pos;
break;
case WLAN_EID_PEER_LINK:
elems->peer_link = pos;
elems->perr = pos;
elems->perr_len = elen;
break;
+ case WLAN_EID_RANN:
+ if (elen >= sizeof(struct ieee80211_rann_ie))
+ elems->rann = (void *)pos;
+ break;
case WLAN_EID_CHANNEL_SWITCH:
elems->ch_switch_elem = pos;
elems->ch_switch_elem_len = elen;
WARN_ON(err);
}
- ieee80211_tx_skb(sdata, skb, 0);
+ IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+ ieee80211_tx_skb(sdata, skb);
}
int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
- const u8 *ie, size_t ie_len)
+ const u8 *ie, size_t ie_len,
+ enum ieee80211_band band)
{
struct ieee80211_supported_band *sband;
u8 *pos, *supp_rates_len, *esupp_rates_len = NULL;
int i;
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ sband = local->hw.wiphy->bands[band];
pos = buffer;
memcpy(pos, ssid, ssid_len);
pos += ssid_len;
- skb_put(skb, ieee80211_build_preq_ies(local, pos, ie, ie_len));
+ skb_put(skb, ieee80211_build_preq_ies(local, pos, ie, ie_len,
+ local->hw.conf.channel->band));
- ieee80211_tx_skb(sdata, skb, 0);
+ IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+ ieee80211_tx_skb(sdata, skb);
}
u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
return supp_rates;
}
+void ieee80211_stop_device(struct ieee80211_local *local)
+{
+ ieee80211_led_radio(local, false);
+
+ cancel_work_sync(&local->reconfig_filter);
+ drv_stop(local);
+
+ flush_workqueue(local->workqueue);
+}
+
int ieee80211_reconfig(struct ieee80211_local *local)
{
struct ieee80211_hw *hw = &local->hw;
struct sta_info *sta;
unsigned long flags;
int res;
- bool from_suspend = local->suspended;
- /*
- * We're going to start the hardware, at that point
- * we are no longer suspended and can RX frames.
- */
- local->suspended = false;
+ if (local->suspended)
+ local->resuming = true;
/* restart hardware */
if (local->open_count) {
/* reconfigure hardware */
ieee80211_hw_config(local, ~0);
- spin_lock_bh(&local->filter_lock);
ieee80211_configure_filter(local);
- spin_unlock_bh(&local->filter_lock);
/* Finally also reconfigure all the BSS information */
list_for_each_entry(sdata, &local->interfaces, list) {
* If this is for hw restart things are still running.
* We may want to change that later, however.
*/
- if (!from_suspend)
+ if (!local->suspended)
return 0;
#ifdef CONFIG_PM
+ /* first set suspended false, then resuming */
local->suspended = false;
+ mb();
+ local->resuming = false;
list_for_each_entry(sdata, &local->interfaces, list) {
switch(sdata->vif.type) {
#endif
return 0;
}
+