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-rw-r--r--net/mac80211/pm.c110
1 files changed, 5 insertions, 105 deletions
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 2b4c95cd9daf..b38986c9deef 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -72,108 +72,8 @@ int __ieee80211_suspend(struct ieee80211_hw *hw)
72 return 0; 72 return 0;
73} 73}
74 74
75int __ieee80211_resume(struct ieee80211_hw *hw) 75/*
76{ 76 * __ieee80211_resume() is a static inline which just calls
77 struct ieee80211_local *local = hw_to_local(hw); 77 * ieee80211_reconfig(), which is also needed for hardware
78 struct ieee80211_sub_if_data *sdata; 78 * hang/firmware failure/etc. recovery.
79 struct ieee80211_if_init_conf conf; 79 */
80 struct sta_info *sta;
81 unsigned long flags;
82 int res;
83
84 /* restart hardware */
85 if (local->open_count) {
86 res = local->ops->start(hw);
87
88 ieee80211_led_radio(local, hw->conf.radio_enabled);
89 }
90
91 /* add interfaces */
92 list_for_each_entry(sdata, &local->interfaces, list) {
93 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
94 sdata->vif.type != NL80211_IFTYPE_MONITOR &&
95 netif_running(sdata->dev)) {
96 conf.vif = &sdata->vif;
97 conf.type = sdata->vif.type;
98 conf.mac_addr = sdata->dev->dev_addr;
99 res = local->ops->add_interface(hw, &conf);
100 }
101 }
102
103 /* add STAs back */
104 if (local->ops->sta_notify) {
105 spin_lock_irqsave(&local->sta_lock, flags);
106 list_for_each_entry(sta, &local->sta_list, list) {
107 if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
108 sdata = container_of(sdata->bss,
109 struct ieee80211_sub_if_data,
110 u.ap);
111
112 local->ops->sta_notify(hw, &sdata->vif,
113 STA_NOTIFY_ADD, &sta->sta);
114 }
115 spin_unlock_irqrestore(&local->sta_lock, flags);
116 }
117
118 /* Clear Suspend state so that ADDBA requests can be processed */
119
120 rcu_read_lock();
121
122 if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
123 list_for_each_entry_rcu(sta, &local->sta_list, list) {
124 clear_sta_flags(sta, WLAN_STA_SUSPEND);
125 }
126 }
127
128 rcu_read_unlock();
129
130 /* setup RTS threshold */
131 if (local->ops->set_rts_threshold)
132 local->ops->set_rts_threshold(hw, local->rts_threshold);
133
134 /* reconfigure hardware */
135 ieee80211_hw_config(local, ~0);
136
137 netif_addr_lock_bh(local->mdev);
138 ieee80211_configure_filter(local);
139 netif_addr_unlock_bh(local->mdev);
140
141 /* Finally also reconfigure all the BSS information */
142 list_for_each_entry(sdata, &local->interfaces, list) {
143 u32 changed = ~0;
144 if (!netif_running(sdata->dev))
145 continue;
146 switch (sdata->vif.type) {
147 case NL80211_IFTYPE_STATION:
148 /* disable beacon change bits */
149 changed &= ~IEEE80211_IFCC_BEACON;
150 /* fall through */
151 case NL80211_IFTYPE_ADHOC:
152 case NL80211_IFTYPE_AP:
153 case NL80211_IFTYPE_MESH_POINT:
154 WARN_ON(ieee80211_if_config(sdata, changed));
155 ieee80211_bss_info_change_notify(sdata, ~0);
156 break;
157 case NL80211_IFTYPE_WDS:
158 break;
159 case NL80211_IFTYPE_AP_VLAN:
160 case NL80211_IFTYPE_MONITOR:
161 /* ignore virtual */
162 break;
163 case NL80211_IFTYPE_UNSPECIFIED:
164 case __NL80211_IFTYPE_AFTER_LAST:
165 WARN_ON(1);
166 break;
167 }
168 }
169
170 /* add back keys */
171 list_for_each_entry(sdata, &local->interfaces, list)
172 if (netif_running(sdata->dev))
173 ieee80211_enable_keys(sdata);
174
175 ieee80211_wake_queues_by_reason(hw,
176 IEEE80211_QUEUE_STOP_REASON_SUSPEND);
177
178 return 0;
179}