diff options
Diffstat (limited to 'net/mac80211/rx.c')
| -rw-r--r-- | net/mac80211/rx.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 0e8a371..48574f6 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -596,19 +596,20 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta) DECLARE_MAC_BUF(mac); sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); + if (sdata->bss) atomic_dec(&sdata->bss->num_sta_ps); + sta->flags &= ~(WLAN_STA_PS | WLAN_STA_PSPOLL); - if (!skb_queue_empty(&sta->ps_tx_buf)) { - if (sdata->bss) - bss_tim_clear(local, sdata->bss, sta->aid); - if (local->ops->set_tim) - local->ops->set_tim(local_to_hw(local), sta->aid, 0); - } + + if (!skb_queue_empty(&sta->ps_tx_buf)) + sta_info_clear_tim_bit(sta); + #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG printk(KERN_DEBUG "%s: STA %s aid %d exits power save mode\n", dev->name, print_mac(mac, sta->addr), sta->aid); #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ + /* Send all buffered frames to the station */ while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) { pkt_data = (struct ieee80211_tx_packet_data *) skb->cb; @@ -945,20 +946,20 @@ ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx) dev_queue_xmit(skb); - if (no_pending_pkts) { - if (rx->sdata->bss) - bss_tim_clear(rx->local, rx->sdata->bss, rx->sta->aid); - if (rx->local->ops->set_tim) - rx->local->ops->set_tim(local_to_hw(rx->local), - rx->sta->aid, 0); - } + if (no_pending_pkts) + sta_info_clear_tim_bit(rx->sta); #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG } else if (!rx->u.rx.sent_ps_buffered) { + /* + * FIXME: This can be the result of a race condition between + * us expiring a frame and the station polling for it. + * Should we send it a null-func frame indicating we + * have nothing buffered for it? + */ printk(KERN_DEBUG "%s: STA %s sent PS Poll even " "though there is no buffered frames for it\n", rx->dev->name, print_mac(mac, rx->sta->addr)); #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ - } /* Free PS Poll skb here instead of returning RX_DROP that would |