2009-01-19 23:20:53 +07:00
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#include <net/mac80211.h>
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#include <net/rtnetlink.h>
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#include "ieee80211_i.h"
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2009-05-17 16:40:42 +07:00
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#include "mesh.h"
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2009-04-23 23:52:52 +07:00
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#include "driver-ops.h"
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2009-01-19 23:20:53 +07:00
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#include "led.h"
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int __ieee80211_suspend(struct ieee80211_hw *hw)
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{
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struct ieee80211_local *local = hw_to_local(hw);
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struct ieee80211_sub_if_data *sdata;
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struct sta_info *sta;
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2010-10-06 16:22:10 +07:00
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ieee80211_scan_cancel(local);
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2009-05-17 16:40:42 +07:00
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2009-03-13 17:43:36 +07:00
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ieee80211_stop_queues_by_reason(hw,
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IEEE80211_QUEUE_STOP_REASON_SUSPEND);
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2009-05-17 16:40:42 +07:00
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/* flush out all packets */
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synchronize_net();
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local->quiescing = true;
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/* make quiescing visible to timers everywhere */
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mb();
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2009-07-30 07:08:07 +07:00
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flush_workqueue(local->workqueue);
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2009-01-19 23:20:53 +07:00
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2009-05-17 16:40:42 +07:00
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/* Don't try to run timers while suspended. */
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del_timer_sync(&local->sta_cleanup);
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/*
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* Note that this particular timer doesn't need to be
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* restarted at resume.
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*/
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cancel_work_sync(&local->dynamic_ps_enable_work);
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del_timer_sync(&local->dynamic_ps_timer);
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2009-01-19 23:20:53 +07:00
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/* disable keys */
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list_for_each_entry(sdata, &local->interfaces, list)
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ieee80211_disable_keys(sdata);
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2010-06-10 15:21:29 +07:00
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/* tear down aggregation sessions and remove STAs */
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mutex_lock(&local->sta_mtx);
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list_for_each_entry(sta, &local->sta_list, list) {
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if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
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2010-04-06 16:18:46 +07:00
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set_sta_flags(sta, WLAN_STA_BLOCK_BA);
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2010-10-06 00:37:40 +07:00
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ieee80211_sta_tear_down_BA_sessions(sta, true);
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2009-03-17 10:20:06 +07:00
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}
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2010-02-03 19:59:58 +07:00
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if (sta->uploaded) {
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2009-05-17 16:40:42 +07:00
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sdata = sta->sdata;
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2009-01-19 23:20:53 +07:00
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if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
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sdata = container_of(sdata->bss,
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struct ieee80211_sub_if_data,
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u.ap);
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2010-02-03 19:59:58 +07:00
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drv_sta_remove(local, sdata, &sta->sta);
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2009-01-19 23:20:53 +07:00
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}
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2009-05-17 16:40:42 +07:00
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mesh_plink_quiesce(sta);
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2009-01-19 23:20:53 +07:00
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}
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2010-02-03 19:59:58 +07:00
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mutex_unlock(&local->sta_mtx);
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2009-01-19 23:20:53 +07:00
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/* remove all interfaces */
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list_for_each_entry(sdata, &local->interfaces, list) {
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2010-06-10 15:21:31 +07:00
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cancel_work_sync(&sdata->work);
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2009-05-17 16:40:42 +07:00
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switch(sdata->vif.type) {
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case NL80211_IFTYPE_STATION:
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ieee80211_sta_quiesce(sdata);
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break;
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case NL80211_IFTYPE_ADHOC:
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ieee80211_ibss_quiesce(sdata);
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break;
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case NL80211_IFTYPE_MESH_POINT:
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ieee80211_mesh_quiesce(sdata);
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break;
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case NL80211_IFTYPE_AP_VLAN:
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case NL80211_IFTYPE_MONITOR:
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/* don't tell driver about this */
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continue;
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default:
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break;
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2009-01-19 23:20:53 +07:00
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}
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2009-12-23 19:15:31 +07:00
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if (!ieee80211_sdata_running(sdata))
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2009-05-17 16:40:42 +07:00
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continue;
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2009-01-25 01:21:14 +07:00
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2009-07-29 15:13:03 +07:00
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/* disable beaconing */
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ieee80211_bss_info_change_notify(sdata,
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BSS_CHANGED_BEACON_ENABLED);
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2009-12-23 19:15:45 +07:00
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drv_remove_interface(local, &sdata->vif);
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2009-01-19 23:20:53 +07:00
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}
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2009-05-17 16:40:42 +07:00
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2009-07-28 23:10:17 +07:00
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/* stop hardware - this must stop RX */
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2009-08-21 01:02:20 +07:00
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if (local->open_count)
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ieee80211_stop_device(local);
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2009-07-28 23:10:17 +07:00
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2009-05-17 16:40:42 +07:00
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local->suspended = true;
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2009-07-28 23:10:17 +07:00
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/* need suspended to be visible before quiescing is false */
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barrier();
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2009-05-17 16:40:42 +07:00
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local->quiescing = false;
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2009-01-19 23:20:53 +07:00
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return 0;
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}
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2009-04-14 15:09:24 +07:00
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/*
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* __ieee80211_resume() is a static inline which just calls
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* ieee80211_reconfig(), which is also needed for hardware
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* hang/firmware failure/etc. recovery.
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*/
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