Root/
1 | #include <net/mac80211.h> |
2 | #include <net/rtnetlink.h> |
3 | |
4 | #include "ieee80211_i.h" |
5 | #include "mesh.h" |
6 | #include "driver-ops.h" |
7 | #include "led.h" |
8 | |
9 | int __ieee80211_suspend(struct ieee80211_hw *hw) |
10 | { |
11 | struct ieee80211_local *local = hw_to_local(hw); |
12 | struct ieee80211_sub_if_data *sdata; |
13 | struct sta_info *sta; |
14 | |
15 | ieee80211_scan_cancel(local); |
16 | |
17 | ieee80211_stop_queues_by_reason(hw, |
18 | IEEE80211_QUEUE_STOP_REASON_SUSPEND); |
19 | |
20 | /* flush out all packets */ |
21 | synchronize_net(); |
22 | |
23 | local->quiescing = true; |
24 | /* make quiescing visible to timers everywhere */ |
25 | mb(); |
26 | |
27 | flush_workqueue(local->workqueue); |
28 | |
29 | /* Don't try to run timers while suspended. */ |
30 | del_timer_sync(&local->sta_cleanup); |
31 | |
32 | /* |
33 | * Note that this particular timer doesn't need to be |
34 | * restarted at resume. |
35 | */ |
36 | cancel_work_sync(&local->dynamic_ps_enable_work); |
37 | del_timer_sync(&local->dynamic_ps_timer); |
38 | |
39 | /* disable keys */ |
40 | list_for_each_entry(sdata, &local->interfaces, list) |
41 | ieee80211_disable_keys(sdata); |
42 | |
43 | /* Tear down aggregation sessions */ |
44 | |
45 | rcu_read_lock(); |
46 | |
47 | if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) { |
48 | list_for_each_entry_rcu(sta, &local->sta_list, list) { |
49 | set_sta_flags(sta, WLAN_STA_SUSPEND); |
50 | ieee80211_sta_tear_down_BA_sessions(sta); |
51 | } |
52 | } |
53 | |
54 | rcu_read_unlock(); |
55 | |
56 | /* remove STAs */ |
57 | mutex_lock(&local->sta_mtx); |
58 | list_for_each_entry(sta, &local->sta_list, list) { |
59 | if (sta->uploaded) { |
60 | sdata = sta->sdata; |
61 | if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) |
62 | sdata = container_of(sdata->bss, |
63 | struct ieee80211_sub_if_data, |
64 | u.ap); |
65 | |
66 | drv_sta_remove(local, sdata, &sta->sta); |
67 | } |
68 | |
69 | mesh_plink_quiesce(sta); |
70 | } |
71 | mutex_unlock(&local->sta_mtx); |
72 | |
73 | /* remove all interfaces */ |
74 | list_for_each_entry(sdata, &local->interfaces, list) { |
75 | switch(sdata->vif.type) { |
76 | case NL80211_IFTYPE_STATION: |
77 | ieee80211_sta_quiesce(sdata); |
78 | break; |
79 | case NL80211_IFTYPE_ADHOC: |
80 | ieee80211_ibss_quiesce(sdata); |
81 | break; |
82 | case NL80211_IFTYPE_MESH_POINT: |
83 | ieee80211_mesh_quiesce(sdata); |
84 | break; |
85 | case NL80211_IFTYPE_AP_VLAN: |
86 | case NL80211_IFTYPE_MONITOR: |
87 | /* don't tell driver about this */ |
88 | continue; |
89 | default: |
90 | break; |
91 | } |
92 | |
93 | if (!ieee80211_sdata_running(sdata)) |
94 | continue; |
95 | |
96 | /* disable beaconing */ |
97 | ieee80211_bss_info_change_notify(sdata, |
98 | BSS_CHANGED_BEACON_ENABLED); |
99 | |
100 | drv_remove_interface(local, &sdata->vif); |
101 | } |
102 | |
103 | /* stop hardware - this must stop RX */ |
104 | if (local->open_count) |
105 | ieee80211_stop_device(local); |
106 | |
107 | local->suspended = true; |
108 | /* need suspended to be visible before quiescing is false */ |
109 | barrier(); |
110 | local->quiescing = false; |
111 | |
112 | return 0; |
113 | } |
114 | |
115 | /* |
116 | * __ieee80211_resume() is a static inline which just calls |
117 | * ieee80211_reconfig(), which is also needed for hardware |
118 | * hang/firmware failure/etc. recovery. |
119 | */ |
120 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9