diff options
Diffstat (limited to 'net/mac80211/pm.c')
-rw-r--r-- | net/mac80211/pm.c | 80 |
1 files changed, 62 insertions, 18 deletions
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index 9d3d89abbb57..7a549f9deb96 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -2,6 +2,7 @@ #include <net/rtnetlink.h> #include "ieee80211_i.h" +#include "mesh.h" #include "driver-ops.h" #include "led.h" @@ -13,11 +14,30 @@ int __ieee80211_suspend(struct ieee80211_hw *hw) struct sta_info *sta; unsigned long flags; + ieee80211_scan_cancel(local); + ieee80211_stop_queues_by_reason(hw, IEEE80211_QUEUE_STOP_REASON_SUSPEND); + /* flush out all packets */ + synchronize_net(); + + local->quiescing = true; + /* make quiescing visible to timers everywhere */ + mb(); + flush_workqueue(local->hw.workqueue); + /* Don't try to run timers while suspended. */ + del_timer_sync(&local->sta_cleanup); + + /* + * Note that this particular timer doesn't need to be + * restarted at resume. + */ + cancel_work_sync(&local->dynamic_ps_enable_work); + del_timer_sync(&local->dynamic_ps_timer); + /* disable keys */ list_for_each_entry(sdata, &local->interfaces, list) ieee80211_disable_keys(sdata); @@ -35,10 +55,20 @@ int __ieee80211_suspend(struct ieee80211_hw *hw) rcu_read_unlock(); + /* flush again, in case driver queued work */ + flush_workqueue(local->hw.workqueue); + + /* stop hardware - this must stop RX */ + if (local->open_count) { + ieee80211_led_radio(local, false); + drv_stop(local); + } + /* remove STAs */ - if (local->ops->sta_notify) { - spin_lock_irqsave(&local->sta_lock, flags); - list_for_each_entry(sta, &local->sta_list, list) { + spin_lock_irqsave(&local->sta_lock, flags); + list_for_each_entry(sta, &local->sta_list, list) { + if (local->ops->sta_notify) { + sdata = sta->sdata; if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) sdata = container_of(sdata->bss, struct ieee80211_sub_if_data, @@ -47,29 +77,43 @@ int __ieee80211_suspend(struct ieee80211_hw *hw) drv_sta_notify(local, &sdata->vif, STA_NOTIFY_REMOVE, &sta->sta); } - spin_unlock_irqrestore(&local->sta_lock, flags); + + mesh_plink_quiesce(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; - drv_remove_interface(local, &conf); + switch(sdata->vif.type) { + case NL80211_IFTYPE_STATION: + ieee80211_sta_quiesce(sdata); + break; + case NL80211_IFTYPE_ADHOC: + ieee80211_ibss_quiesce(sdata); + break; + case NL80211_IFTYPE_MESH_POINT: + ieee80211_mesh_quiesce(sdata); + break; + case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_MONITOR: + /* don't tell driver about this */ + continue; + default: + break; } - } - /* flush again, in case driver queued work */ - flush_workqueue(local->hw.workqueue); + if (!netif_running(sdata->dev)) + continue; - /* stop hardware */ - if (local->open_count) { - ieee80211_led_radio(local, false); - drv_stop(local); + conf.vif = &sdata->vif; + conf.type = sdata->vif.type; + conf.mac_addr = sdata->dev->dev_addr; + drv_remove_interface(local, &conf); } + + local->suspended = true; + local->quiescing = false; + return 0; } |