diff options
Diffstat (limited to 'net/mac80211/wext.c')
| -rw-r--r-- | net/mac80211/wext.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c index 15428048d01a..f6640d047157 100644 --- a/net/mac80211/wext.c +++ b/net/mac80211/wext.c @@ -830,25 +830,46 @@ static int ieee80211_ioctl_siwpower(struct net_device *dev, struct iw_param *wrq, char *extra) { + 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; + bool ps; + + if (sdata->vif.type != NL80211_IFTYPE_STATION) + return -EINVAL; if (wrq->disabled) { - conf->flags &= ~IEEE80211_CONF_PS; - return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); + ps = false; + goto set; } switch (wrq->flags & IW_POWER_MODE) { case IW_POWER_ON: /* If not specified */ case IW_POWER_MODE: /* If set all mask */ case IW_POWER_ALL_R: /* If explicitely state all */ - conf->flags |= IEEE80211_CONF_PS; + ps = true; break; default: /* Otherwise we don't support it */ return -EINVAL; } - return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); + if (ps == local->powersave) + return ret; + +set: + local->powersave = ps; + + if (sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED) { + if (local->powersave) + conf->flags |= IEEE80211_CONF_PS; + else + conf->flags &= ~IEEE80211_CONF_PS; + + ret = ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); + } + + return ret; } static int ieee80211_ioctl_giwpower(struct net_device *dev, @@ -857,9 +878,8 @@ static int ieee80211_ioctl_giwpower(struct net_device *dev, char *extra) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_conf *conf = &local->hw.conf; - wrqu->power.disabled = !(conf->flags & IEEE80211_CONF_PS); + wrqu->power.disabled = !local->powersave; return 0; } |