diff options
Diffstat (limited to 'net/mac80211/status.c')
| -rw-r--r-- | net/mac80211/status.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/net/mac80211/status.c b/net/mac80211/status.c index b4608f11a40..0c0850d37dd 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -134,6 +134,40 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local, dev_kfree_skb(skb); } +static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb) +{ + struct ieee80211_mgmt *mgmt = (void *) skb->data; + struct ieee80211_local *local = sta->local; + struct ieee80211_sub_if_data *sdata = sta->sdata; + + if (ieee80211_is_action(mgmt->frame_control) && + sdata->vif.type == NL80211_IFTYPE_STATION && + mgmt->u.action.category == WLAN_CATEGORY_HT && + mgmt->u.action.u.ht_smps.action == WLAN_HT_ACTION_SMPS) { + /* + * This update looks racy, but isn't -- if we come + * here we've definitely got a station that we're + * talking to, and on a managed interface that can + * only be the AP. And the only other place updating + * this variable is before we're associated. + */ + switch (mgmt->u.action.u.ht_smps.smps_control) { + case WLAN_HT_SMPS_CONTROL_DYNAMIC: + sta->sdata->u.mgd.ap_smps = IEEE80211_SMPS_DYNAMIC; + break; + case WLAN_HT_SMPS_CONTROL_STATIC: + sta->sdata->u.mgd.ap_smps = IEEE80211_SMPS_STATIC; + break; + case WLAN_HT_SMPS_CONTROL_DISABLED: + default: /* shouldn't happen since we don't send that */ + sta->sdata->u.mgd.ap_smps = IEEE80211_SMPS_OFF; + break; + } + + ieee80211_queue_work(&local->hw, &local->recalc_smps); + } +} + void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) { struct sk_buff *skb2; @@ -210,6 +244,10 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) rate_control_tx_status(local, sband, sta, skb); if (ieee80211_vif_is_mesh(&sta->sdata->vif)) ieee80211s_update_metric(local, sta, skb); + + if (!(info->flags & IEEE80211_TX_CTL_INJECTED) && + (info->flags & IEEE80211_TX_STAT_ACK)) + ieee80211_frame_acked(sta, skb); } rcu_read_unlock(); |