--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
-@@ -200,6 +200,8 @@ static void ieee80211_send_addba_resp(st
+@@ -145,15 +145,20 @@ static void sta_rx_agg_session_timer_exp
+ struct tid_ampdu_rx *tid_rx;
+ unsigned long timeout;
+
++ rcu_read_lock();
+ tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[*ptid]);
+- if (!tid_rx)
++ if (!tid_rx) {
++ rcu_read_unlock();
+ return;
++ }
+
+ timeout = tid_rx->last_rx + TU_TO_JIFFIES(tid_rx->timeout);
+ if (time_is_after_jiffies(timeout)) {
+ mod_timer(&tid_rx->session_timer, timeout);
++ rcu_read_unlock();
+ return;
+ }
++ rcu_read_unlock();
+
+ #ifdef CONFIG_MAC80211_HT_DEBUG
+ printk(KERN_DEBUG "rx session timer expired on tid %d\n", (u16)*ptid);
+@@ -200,6 +205,8 @@ static void ieee80211_send_addba_resp(st
memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
/*
* set_multicast_list will be invoked by the networking core
* which will check whether any increments here were done in
-@@ -848,6 +825,72 @@ static void ieee80211_if_setup(struct ne
+@@ -642,6 +619,8 @@ static void ieee80211_do_stop(struct iee
+ ieee80211_configure_filter(local);
+ break;
+ default:
++ flush_work(&local->hw_roc_start);
++ flush_work(&local->hw_roc_done);
+ flush_work(&sdata->work);
+ /*
+ * When we get here, the interface is marked down.
+@@ -848,6 +827,72 @@ static void ieee80211_if_setup(struct ne
dev->destructor = free_netdev;
}
static void ieee80211_iface_work(struct work_struct *work)
{
struct ieee80211_sub_if_data *sdata =
-@@ -952,6 +995,9 @@ static void ieee80211_iface_work(struct
+@@ -952,6 +997,9 @@ static void ieee80211_iface_work(struct
break;
ieee80211_mesh_rx_queued_mgmt(sdata, skb);
break;
WLAN_STA_CLEAR_PS_FILT,
WLAN_STA_MFP,
WLAN_STA_BLOCK_BA,
+--- a/net/mac80211/util.c
++++ b/net/mac80211/util.c
+@@ -804,7 +804,7 @@ void ieee80211_set_wmm_default(struct ie
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_tx_queue_params qparam;
+ int ac;
+- bool use_11b;
++ bool use_11b, enable_qos;
+ int aCWmin, aCWmax;
+
+ if (!local->ops->conf_tx)
+@@ -818,6 +818,13 @@ void ieee80211_set_wmm_default(struct ie
+ use_11b = (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ) &&
+ !(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE);
+
++ /*
++ * By default disable QoS in STA mode for old access points, which do
++ * not support 802.11e. New APs will provide proper queue parameters,
++ * that we will configure later.
++ */
++ enable_qos = (sdata->vif.type != NL80211_IFTYPE_STATION);
++
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+ /* Set defaults according to 802.11-2007 Table 7-37 */
+ aCWmax = 1023;
+@@ -826,38 +833,47 @@ void ieee80211_set_wmm_default(struct ie
+ else
+ aCWmin = 15;
+
+- switch (ac) {
+- case IEEE80211_AC_BK:
+- qparam.cw_max = aCWmax;
+- qparam.cw_min = aCWmin;
+- qparam.txop = 0;
+- qparam.aifs = 7;
+- break;
+- default: /* never happens but let's not leave undefined */
+- case IEEE80211_AC_BE:
++ if (enable_qos) {
++ switch (ac) {
++ case IEEE80211_AC_BK:
++ qparam.cw_max = aCWmax;
++ qparam.cw_min = aCWmin;
++ qparam.txop = 0;
++ qparam.aifs = 7;
++ break;
++ /* never happens but let's not leave undefined */
++ default:
++ case IEEE80211_AC_BE:
++ qparam.cw_max = aCWmax;
++ qparam.cw_min = aCWmin;
++ qparam.txop = 0;
++ qparam.aifs = 3;
++ break;
++ case IEEE80211_AC_VI:
++ qparam.cw_max = aCWmin;
++ qparam.cw_min = (aCWmin + 1) / 2 - 1;
++ if (use_11b)
++ qparam.txop = 6016/32;
++ else
++ qparam.txop = 3008/32;
++ qparam.aifs = 2;
++ break;
++ case IEEE80211_AC_VO:
++ qparam.cw_max = (aCWmin + 1) / 2 - 1;
++ qparam.cw_min = (aCWmin + 1) / 4 - 1;
++ if (use_11b)
++ qparam.txop = 3264/32;
++ else
++ qparam.txop = 1504/32;
++ qparam.aifs = 2;
++ break;
++ }
++ } else {
++ /* Confiure old 802.11b/g medium access rules. */
+ qparam.cw_max = aCWmax;
+ qparam.cw_min = aCWmin;
+ qparam.txop = 0;
+- qparam.aifs = 3;
+- break;
+- case IEEE80211_AC_VI:
+- qparam.cw_max = aCWmin;
+- qparam.cw_min = (aCWmin + 1) / 2 - 1;
+- if (use_11b)
+- qparam.txop = 6016/32;
+- else
+- qparam.txop = 3008/32;
+ qparam.aifs = 2;
+- break;
+- case IEEE80211_AC_VO:
+- qparam.cw_max = (aCWmin + 1) / 2 - 1;
+- qparam.cw_min = (aCWmin + 1) / 4 - 1;
+- if (use_11b)
+- qparam.txop = 3264/32;
+- else
+- qparam.txop = 1504/32;
+- qparam.aifs = 2;
+- break;
+ }
+
+ qparam.uapsd = false;
+@@ -866,12 +882,8 @@ void ieee80211_set_wmm_default(struct ie
+ drv_conf_tx(local, sdata, ac, &qparam);
+ }
+
+- /* after reinitialize QoS TX queues setting to default,
+- * disable QoS at all */
+-
+ if (sdata->vif.type != NL80211_IFTYPE_MONITOR) {
+- sdata->vif.bss_conf.qos =
+- sdata->vif.type != NL80211_IFTYPE_STATION;
++ sdata->vif.bss_conf.qos = enable_qos;
+ if (bss_notify)
+ ieee80211_bss_info_change_notify(sdata,
+ BSS_CHANGED_QOS);
+--- a/drivers/net/wireless/ath/ath9k/beacon.c
++++ b/drivers/net/wireless/ath/ath9k/beacon.c
+@@ -48,7 +48,10 @@ int ath_beaconq_config(struct ath_softc
+ txq = sc->tx.txq_map[WME_AC_BE];
+ ath9k_hw_get_txq_props(ah, txq->axq_qnum, &qi_be);
+ qi.tqi_aifs = qi_be.tqi_aifs;
+- qi.tqi_cwmin = 4*qi_be.tqi_cwmin;
++ if (ah->slottime == ATH9K_SLOT_TIME_20)
++ qi.tqi_cwmin = 2*qi_be.tqi_cwmin;
++ else
++ qi.tqi_cwmin = 4*qi_be.tqi_cwmin;
+ qi.tqi_cwmax = qi_be.tqi_cwmax;
+ }
+
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -1220,6 +1220,22 @@ static void ieee80211_sta_wmm_params(str
+ sdata->vif.bss_conf.qos = true;
+ }
+
++static void __ieee80211_stop_poll(struct ieee80211_sub_if_data *sdata)
++{
++ lockdep_assert_held(&sdata->local->mtx);
++
++ sdata->u.mgd.flags &= ~(IEEE80211_STA_CONNECTION_POLL |
++ IEEE80211_STA_BEACON_POLL);
++ ieee80211_run_deferred_scan(sdata->local);
++}
++
++static void ieee80211_stop_poll(struct ieee80211_sub_if_data *sdata)
++{
++ mutex_lock(&sdata->local->mtx);
++ __ieee80211_stop_poll(sdata);
++ mutex_unlock(&sdata->local->mtx);
++}
++
+ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
+ u16 capab, bool erp_valid, u8 erp)
+ {
+@@ -1285,8 +1301,7 @@ static void ieee80211_set_associated(str
+ sdata->u.mgd.flags |= IEEE80211_STA_RESET_SIGNAL_AVE;
+
+ /* just to be sure */
+- sdata->u.mgd.flags &= ~(IEEE80211_STA_CONNECTION_POLL |
+- IEEE80211_STA_BEACON_POLL);
++ ieee80211_stop_poll(sdata);
+
+ ieee80211_led_assoc(local, 1);
+
+@@ -1456,8 +1471,7 @@ static void ieee80211_reset_ap_probe(str
+ return;
+ }
+
+- ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL |
+- IEEE80211_STA_BEACON_POLL);
++ __ieee80211_stop_poll(sdata);
+
+ mutex_lock(&local->iflist_mtx);
+ ieee80211_recalc_ps(local, -1);
+@@ -1477,7 +1491,6 @@ static void ieee80211_reset_ap_probe(str
+ round_jiffies_up(jiffies +
+ IEEE80211_CONNECTION_IDLE_TIME));
+ out:
+- ieee80211_run_deferred_scan(local);
+ mutex_unlock(&local->mtx);
+ }
+
+@@ -2413,7 +2426,11 @@ static void ieee80211_rx_mgmt_beacon(str
+ "to a received beacon\n", sdata->name);
+ }
+ #endif
++ mutex_lock(&local->mtx);
+ ifmgd->flags &= ~IEEE80211_STA_BEACON_POLL;
++ ieee80211_run_deferred_scan(local);
++ mutex_unlock(&local->mtx);
++
+ mutex_lock(&local->iflist_mtx);
+ ieee80211_recalc_ps(local, -1);
+ mutex_unlock(&local->iflist_mtx);
+@@ -2600,8 +2617,7 @@ static void ieee80211_sta_connection_los
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ u8 frame_buf[DEAUTH_DISASSOC_LEN];
+
+- ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL |
+- IEEE80211_STA_BEACON_POLL);
++ ieee80211_stop_poll(sdata);
+
+ ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, reason,
+ false, frame_buf);
+@@ -2879,8 +2895,7 @@ static void ieee80211_restart_sta_timer(
+ u32 flags;
+
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+- sdata->u.mgd.flags &= ~(IEEE80211_STA_BEACON_POLL |
+- IEEE80211_STA_CONNECTION_POLL);
++ __ieee80211_stop_poll(sdata);
+
+ /* let's probe the connection once */
+ flags = sdata->local->hw.flags;
+@@ -2949,7 +2964,10 @@ void ieee80211_sta_restart(struct ieee80
+ if (test_and_clear_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running))
+ add_timer(&ifmgd->chswitch_timer);
+ ieee80211_sta_reset_beacon_monitor(sdata);
++
++ mutex_lock(&sdata->local->mtx);
+ ieee80211_restart_sta_timer(sdata);
++ mutex_unlock(&sdata->local->mtx);
+ }
+ #endif
+
projects / openwrt / staging / florian.git / commitdiff