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Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6

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This commit is contained in:
John W. Linville
2009-12-28 15:09:11 -05:00
parent b6ce5c3300 92c6f8d849
commit ea1e4b8420
92 changed files with 1016 additions and 696 deletions
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20
net/mac80211/scan.c
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@@ -227,7 +227,8 @@ static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
static void ieee80211_scan_ps_enable(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
bool ps = false;
local->scan_ps_enabled = false;
/* FIXME: what to do when local->pspolling is true? */
@@ -235,12 +236,13 @@ static void ieee80211_scan_ps_enable(struct ieee80211_sub_if_data *sdata)
cancel_work_sync(&local->dynamic_ps_enable_work);
if (local->hw.conf.flags & IEEE80211_CONF_PS) {
ps = true;
local->scan_ps_enabled = true;
local->hw.conf.flags &= ~IEEE80211_CONF_PS;
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
}
if (!ps || !(local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK))
if (!(local->scan_ps_enabled) ||
!(local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK))
/*
* If power save was enabled, no need to send a nullfunc
* frame because AP knows that we are sleeping. But if the
@@ -261,7 +263,7 @@ static void ieee80211_scan_ps_disable(struct ieee80211_sub_if_data *sdata)
if (!local->ps_sdata)
ieee80211_send_nullfunc(local, sdata, 0);
else {
else if (local->scan_ps_enabled) {
/*
* In !IEEE80211_HW_PS_NULLFUNC_STACK case the hardware
* will send a nullfunc frame with the powersave bit set
@@ -277,6 +279,16 @@ static void ieee80211_scan_ps_disable(struct ieee80211_sub_if_data *sdata)
*/
local->hw.conf.flags |= IEEE80211_CONF_PS;
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
} else if (local->hw.conf.dynamic_ps_timeout > 0) {
/*
* If IEEE80211_CONF_PS was not set and the dynamic_ps_timer
* had been running before leaving the operating channel,
* restart the timer now and send a nullfunc frame to inform
* the AP that we are awake.
*/
ieee80211_send_nullfunc(local, sdata, 0);
mod_timer(&local->dynamic_ps_timer, jiffies +
msecs_to_jiffies(local->hw.conf.dynamic_ps_timeout));
}
}