diff options
Diffstat (limited to 'net/mac80211/main.c')
| -rw-r--r-- | net/mac80211/main.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 797f53942e5..19fbd25a705 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -441,6 +441,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) rcu_read_lock(); sband = local->hw.wiphy->bands[info->band]; + fc = hdr->frame_control; sta = sta_info_get(local, hdr->addr1); @@ -522,6 +523,20 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) local->dot11FailedCount++; } + if (ieee80211_is_nullfunc(fc) && ieee80211_has_pm(fc) && + (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) && + !(info->flags & IEEE80211_TX_CTL_INJECTED) && + local->ps_sdata && !(local->scanning)) { + if (info->flags & IEEE80211_TX_STAT_ACK) { + local->ps_sdata->u.mgd.flags |= + IEEE80211_STA_NULLFUNC_ACKED; + ieee80211_queue_work(&local->hw, + &local->dynamic_ps_enable_work); + } else + mod_timer(&local->dynamic_ps_timer, jiffies + + msecs_to_jiffies(10)); + } + /* this was a transmitted frame, but now we want to reuse it */ skb_orphan(skb); |