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Diffstat (limited to 'net/mac80211/wext.c')
-rw-r--r--net/mac80211/wext.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index f6640d04715..7162d5816f3 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -833,7 +833,7 @@ static int ieee80211_ioctl_siwpower(struct net_device *dev,
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_conf *conf = &local->hw.conf;
- int ret = 0;
+ int ret = 0, timeout = 0;
bool ps;
if (sdata->vif.type != NL80211_IFTYPE_STATION)
@@ -841,6 +841,7 @@ static int ieee80211_ioctl_siwpower(struct net_device *dev,
if (wrq->disabled) {
ps = false;
+ timeout = 0;
goto set;
}
@@ -850,22 +851,31 @@ static int ieee80211_ioctl_siwpower(struct net_device *dev,
case IW_POWER_ALL_R: /* If explicitely state all */
ps = true;
break;
- default: /* Otherwise we don't support it */
- return -EINVAL;
+ default: /* Otherwise we ignore */
+ break;
}
- if (ps == local->powersave)
- return ret;
+ if (wrq->flags & IW_POWER_TIMEOUT)
+ timeout = wrq->value / 1000;
set:
+ if (ps == local->powersave && timeout == local->dynamic_ps_timeout)
+ return ret;
+
local->powersave = ps;
+ local->dynamic_ps_timeout = timeout;
if (sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED) {
- if (local->powersave)
- conf->flags |= IEEE80211_CONF_PS;
- else
- conf->flags &= ~IEEE80211_CONF_PS;
-
+ if (!(local->hw.flags & IEEE80211_HW_NO_STACK_DYNAMIC_PS) &&
+ local->dynamic_ps_timeout > 0)
+ mod_timer(&local->dynamic_ps_timer, jiffies +
+ msecs_to_jiffies(local->dynamic_ps_timeout));
+ else {
+ if (local->powersave)
+ conf->flags |= IEEE80211_CONF_PS;
+ else
+ conf->flags &= ~IEEE80211_CONF_PS;
+ }
ret = ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
}