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authorKalle Valo <kalle.valo@nokia.com>2008-12-18 23:35:13 +0200
committerJohn W. Linville <linville@tuxdriver.com>2008-12-19 15:23:57 -0500
commite0cb686ff879dc9ac045ad7258ec687088d4e450 (patch)
tree4792dc94d6a36be8367987b88b922157acf59808 /net/mac80211/mlme.c
parentd10d0e5707fb7b8afa7e68a14d69e752604ee294 (diff)
mac80211: enable IEEE80211_CONF_PS only when associated
Also disable power save when disassociated. It makes no sense to have power save enabled while disassociated. iwlwifi seems to have this check in the driver, but it's better to do this in mac80211 instead. Signed-off-by: Kalle Valo <kalle.valo@nokia.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 1374b8c750a..dac8bd37dcf 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -744,6 +744,11 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
bss_info_changed |= BSS_CHANGED_BASIC_RATES;
ieee80211_bss_info_change_notify(sdata, bss_info_changed);
+ if (local->powersave) {
+ local->hw.conf.flags |= IEEE80211_CONF_PS;
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
+ }
+
netif_tx_start_all_queues(sdata->dev);
netif_carrier_on(sdata->dev);
@@ -812,7 +817,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
- u32 changed = 0;
+ u32 changed = 0, config_changed = 0;
rcu_read_lock();
@@ -859,8 +864,14 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
local->hw.conf.ht.enabled = false;
local->oper_channel_type = NL80211_CHAN_NO_HT;
- ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_HT);
+ config_changed |= IEEE80211_CONF_CHANGE_HT;
+
+ if (local->hw.conf.flags & IEEE80211_CONF_PS) {
+ local->hw.conf.flags &= ~IEEE80211_CONF_PS;
+ config_changed |= IEEE80211_CONF_CHANGE_PS;
+ }
+ ieee80211_hw_config(local, config_changed);
ieee80211_bss_info_change_notify(sdata, changed);
rcu_read_lock();