80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
#include <net/mac80211.h>
|
|
#include <net/rtnetlink.h>
|
|
|
|
#include "ieee80211_i.h"
|
|
#include "led.h"
|
|
|
|
int __ieee80211_suspend(struct ieee80211_hw *hw)
|
|
{
|
|
struct ieee80211_local *local = hw_to_local(hw);
|
|
struct ieee80211_sub_if_data *sdata;
|
|
struct ieee80211_if_init_conf conf;
|
|
struct sta_info *sta;
|
|
unsigned long flags;
|
|
|
|
ieee80211_stop_queues_by_reason(hw,
|
|
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
|
|
|
|
flush_workqueue(local->hw.workqueue);
|
|
|
|
/* disable keys */
|
|
list_for_each_entry(sdata, &local->interfaces, list)
|
|
ieee80211_disable_keys(sdata);
|
|
|
|
/* Tear down aggregation sessions */
|
|
|
|
rcu_read_lock();
|
|
|
|
if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
|
|
list_for_each_entry_rcu(sta, &local->sta_list, list) {
|
|
set_sta_flags(sta, WLAN_STA_SUSPEND);
|
|
ieee80211_sta_tear_down_BA_sessions(sta);
|
|
}
|
|
}
|
|
|
|
rcu_read_unlock();
|
|
|
|
/* remove STAs */
|
|
if (local->ops->sta_notify) {
|
|
spin_lock_irqsave(&local->sta_lock, flags);
|
|
list_for_each_entry(sta, &local->sta_list, list) {
|
|
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
|
|
sdata = container_of(sdata->bss,
|
|
struct ieee80211_sub_if_data,
|
|
u.ap);
|
|
|
|
local->ops->sta_notify(hw, &sdata->vif,
|
|
STA_NOTIFY_REMOVE, &sta->sta);
|
|
}
|
|
spin_unlock_irqrestore(&local->sta_lock, flags);
|
|
}
|
|
|
|
/* remove all interfaces */
|
|
list_for_each_entry(sdata, &local->interfaces, list) {
|
|
if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
|
|
sdata->vif.type != NL80211_IFTYPE_MONITOR &&
|
|
netif_running(sdata->dev)) {
|
|
conf.vif = &sdata->vif;
|
|
conf.type = sdata->vif.type;
|
|
conf.mac_addr = sdata->dev->dev_addr;
|
|
local->ops->remove_interface(hw, &conf);
|
|
}
|
|
}
|
|
|
|
/* flush again, in case driver queued work */
|
|
flush_workqueue(local->hw.workqueue);
|
|
|
|
/* stop hardware */
|
|
if (local->open_count) {
|
|
ieee80211_led_radio(local, false);
|
|
local->ops->stop(hw);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* __ieee80211_resume() is a static inline which just calls
|
|
* ieee80211_reconfig(), which is also needed for hardware
|
|
* hang/firmware failure/etc. recovery.
|
|
*/
|