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mac80211: add basic support for WoWLAN

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This adds basic support for the new WoWLAN
configuration in mac80211. The behaviour is
completely offloaded to the driver though,
with two new callbacks (suspend/resume).

Options for the driver include a complete
reconfiguration after wakeup, and exposing
all the triggers it wants to support.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2011-05-04 15:37:29 +02:00
committed by John W. Linville
parent ff1b6e69ad
commit eecc48000a
9 changed files with 97 additions and 5 deletions
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9
net/mac80211/ieee80211_i.h
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@ -764,6 +764,9 @@ struct ieee80211_local {
/* device is started */
bool started;
/* wowlan is enabled -- don't reconfig on resume */
bool wowlan;
int tx_headroom; /* required headroom for hardware/radiotap */
/* count for keys needing tailroom space allocation */
@ -1250,7 +1253,8 @@ int ieee80211_reconfig(struct ieee80211_local *local);
void ieee80211_stop_device(struct ieee80211_local *local);
#ifdef CONFIG_PM
int __ieee80211_suspend(struct ieee80211_hw *hw);
int __ieee80211_suspend(struct ieee80211_hw *hw,
struct cfg80211_wowlan *wowlan);
static inline int __ieee80211_resume(struct ieee80211_hw *hw)
{
@ -1263,7 +1267,8 @@ static inline int __ieee80211_resume(struct ieee80211_hw *hw)
return ieee80211_reconfig(hw_to_local(hw));
}
#else
static inline int __ieee80211_suspend(struct ieee80211_hw *hw)
static inline int __ieee80211_suspend(struct ieee80211_hw *hw,
struct cfg80211_wowlan *wowlan)
{
return 0;
}