projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 665af4fc BC |
1 | #include <net/mac80211.h> |
| 2 | #include <net/rtnetlink.h> | |
| 3 | ||
| 4 | #include "ieee80211_i.h" | |
| 5 | #include "led.h" | |
| 6 | ||
| 7 | int __ieee80211_suspend(struct ieee80211_hw *hw) | |
| 8 | { | |
| 9 | struct ieee80211_local *local = hw_to_local(hw); | |
| 10 | struct ieee80211_sub_if_data *sdata; | |
| 11 | struct ieee80211_if_init_conf conf; | |
| 12 | struct sta_info *sta; | |
| 7f0216a4 | 13 | unsigned long flags; |
| 665af4fc | 14 | |
| 25420604 JB |
15 | ieee80211_stop_queues_by_reason(hw, |
| 16 | IEEE80211_QUEUE_STOP_REASON_SUSPEND); | |
| 17 | ||
| 665af4fc BC |
18 | flush_workqueue(local->hw.workqueue); |
| 19 | ||
| 20 | /* disable keys */ | |
| 21 | list_for_each_entry(sdata, &local->interfaces, list) | |
| 22 | ieee80211_disable_keys(sdata); | |
| 23 | ||
| 722f069a S |
24 | /* Tear down aggregation sessions */ |
| 25 | ||
| 26 | rcu_read_lock(); | |
| 27 | ||
| 28 | if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) { | |
| 29 | list_for_each_entry_rcu(sta, &local->sta_list, list) { | |
| 30 | set_sta_flags(sta, WLAN_STA_SUSPEND); | |
| 31 | ieee80211_sta_tear_down_BA_sessions(sta); | |
| 32 | } | |
| 33 | } | |
| 34 | ||
| 35 | rcu_read_unlock(); | |
| 36 | ||
| 665af4fc | 37 | /* remove STAs */ |
| 7f0216a4 JB |
38 | if (local->ops->sta_notify) { |
| 39 | spin_lock_irqsave(&local->sta_lock, flags); | |
| 40 | list_for_each_entry(sta, &local->sta_list, list) { | |
| 665af4fc BC |
41 | if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) |
| 42 | sdata = container_of(sdata->bss, | |
| 43 | struct ieee80211_sub_if_data, | |
| 44 | u.ap); | |
| 45 | ||
| 46 | local->ops->sta_notify(hw, &sdata->vif, | |
| 47 | STA_NOTIFY_REMOVE, &sta->sta); | |
| 48 | } | |
| 7f0216a4 | 49 | spin_unlock_irqrestore(&local->sta_lock, flags); |
| 665af4fc BC |
50 | } |
| 51 | ||
| 52 | /* remove all interfaces */ | |
| 53 | list_for_each_entry(sdata, &local->interfaces, list) { | |
| 665af4fc BC |
54 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
| 55 | sdata->vif.type != NL80211_IFTYPE_MONITOR && | |
| 56 | netif_running(sdata->dev)) { | |
| 57 | conf.vif = &sdata->vif; | |
| 58 | conf.type = sdata->vif.type; | |
| 59 | conf.mac_addr = sdata->dev->dev_addr; | |
| 60 | local->ops->remove_interface(hw, &conf); | |
| 61 | } | |
| 62 | } | |
| 63 | ||
| e874e658 BC |
64 | /* flush again, in case driver queued work */ |
| 65 | flush_workqueue(local->hw.workqueue); | |
| 66 | ||
| 665af4fc BC |
67 | /* stop hardware */ |
| 68 | if (local->open_count) { | |
| 69 | ieee80211_led_radio(local, false); | |
| 70 | local->ops->stop(hw); | |
| 71 | } | |
| 72 | return 0; | |
| 73 | } | |
| 74 | ||
| f2753ddb JB |
75 | /* |
| 76 | * __ieee80211_resume() is a static inline which just calls | |
| 77 | * ieee80211_reconfig(), which is also needed for hardware | |
| 78 | * hang/firmware failure/etc. recovery. | |
| 79 | */ |