diff options
| -rw-r--r-- | net/mac80211/tx.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index eaa4118de98..498cdd435d7 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1387,6 +1387,26 @@ static int ieee80211_skb_resize(struct ieee80211_local *local, return 0; } +static bool need_dynamic_ps(struct ieee80211_local *local) +{ + /* driver doesn't support power save */ + if (!(local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)) + return false; + + /* dynamic power save disabled */ + if (local->hw.conf.dynamic_ps_timeout <= 0) + return false; + + /* we are scanning, don't enable power save */ + if (local->scanning) + return false; + + if (!local->ps_sdata) + return false; + + return true; +} + static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) { @@ -1399,9 +1419,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, dev_hold(sdata->dev); - if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) && - local->hw.conf.dynamic_ps_timeout > 0 && - !(local->scanning) && local->ps_sdata) { + if (need_dynamic_ps(local)) { if (local->hw.conf.flags & IEEE80211_CONF_PS) { ieee80211_stop_queues_by_reason(&local->hw, IEEE80211_QUEUE_STOP_REASON_PS); |