64592c8fc0
IBSS, managed and mesh modes all have their own work struct, and in the future we want to also use it in other modes to process frames from the now common skb queue. This also makes the skb queue and work safe to use from other interface types. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
113 lines
2.6 KiB
C
113 lines
2.6 KiB
C
#include <net/mac80211.h>
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#include <net/rtnetlink.h>
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#include "ieee80211_i.h"
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#include "mesh.h"
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#include "driver-ops.h"
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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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ieee80211_scan_cancel(local);
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ieee80211_stop_queues_by_reason(hw,
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IEEE80211_QUEUE_STOP_REASON_SUSPEND);
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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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flush_workqueue(local->workqueue);
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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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/* 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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/* 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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set_sta_flags(sta, WLAN_STA_BLOCK_BA);
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ieee80211_sta_tear_down_BA_sessions(sta);
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}
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if (sta->uploaded) {
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sdata = sta->sdata;
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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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drv_sta_remove(local, sdata, &sta->sta);
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}
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mesh_plink_quiesce(sta);
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}
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mutex_unlock(&local->sta_mtx);
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/* remove all interfaces */
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list_for_each_entry(sdata, &local->interfaces, list) {
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cancel_work_sync(&sdata->work);
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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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}
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if (!ieee80211_sdata_running(sdata))
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continue;
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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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drv_remove_interface(local, &sdata->vif);
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}
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/* stop hardware - this must stop RX */
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if (local->open_count)
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ieee80211_stop_device(local);
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local->suspended = true;
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/* need suspended to be visible before quiescing is false */
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barrier();
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local->quiescing = false;
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return 0;
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}
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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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