Merge branch 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

6 files changed, 39 insertions, 16 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 0ea340fd071..83c7ea4c007 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -267,6 +267,7 @@ void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
                        u16 tid, u16 *ssn);
 void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
 void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
+void ath9k_enable_ps(struct ath_softc *sc);
 
 /********/
 /* VIFs */
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 422454fe4ff..d088ebfe63a 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -577,6 +577,13 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
         u64 tsf;
         int num_beacons, offset, dtim_dec_count, cfp_dec_count;
 
+        /* No need to configure beacon if we are not associated */
+        if (!common->curaid) {
+                ath_print(common, ATH_DBG_BEACON,
+                         "STA is not yet associated..skipping beacon config\n");
+                return;
+        }
+
         memset(&bs, 0, sizeof(bs));
         intval = conf->beacon_interval & ATH9K_BEACON_PERIOD;
 
@@ -739,7 +746,6 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
         enum nl80211_iftype iftype;
 
         /* Setup the beacon configuration parameters */
-
         if (vif) {
                 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
 
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index f15fee76a4e..f00f5c744f4 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1217,6 +1217,17 @@ void ath9k_hw_init_global_settings(struct ath_hw *ah)
         /* As defined by IEEE 802.11-2007 17.3.8.6 */
         slottime = ah->slottime + 3 * ah->coverage_class;
         acktimeout = slottime + sifstime;
+
+        /*
+         * Workaround for early ACK timeouts, add an offset to match the
+         * initval's 64us ack timeout value.
+         * This was initially only meant to work around an issue with delayed
+         * BA frames in some implementations, but it has been found to fix ACK
+         * timeout issues in other cases as well.
+         */
+        if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ)
+                acktimeout += 64 - sifstime - ah->slottime;
+
         ath9k_hw_setslottime(ah, slottime);
         ath9k_hw_set_ack_timeout(ah, acktimeout);
         ath9k_hw_set_cts_timeout(ah, acktimeout);
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 4b5e5484868..623c2f88498 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -622,7 +622,8 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
                 IEEE80211_HW_SIGNAL_DBM |
                 IEEE80211_HW_SUPPORTS_PS |
                 IEEE80211_HW_PS_NULLFUNC_STACK |
-                IEEE80211_HW_SPECTRUM_MGMT;
+                IEEE80211_HW_SPECTRUM_MGMT |
+                IEEE80211_HW_REPORTS_TX_ACK_STATUS;
 
         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
                  hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 6796d5cdc29..9c8f925c209 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -809,6 +809,7 @@ static void ath_key_delete(struct ath_common *common, struct ieee80211_key_conf
 
         clear_bit(key->hw_key_idx + 64, common->keymap);
         if (common->splitmic) {
+                ath9k_hw_keyreset(ah, key->hw_key_idx + 32);
                 clear_bit(key->hw_key_idx + 32, common->keymap);
                 clear_bit(key->hw_key_idx + 64 + 32, common->keymap);
         }
@@ -1492,6 +1493,19 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
         mutex_unlock(&sc->mutex);
 }
 
+void ath9k_enable_ps(struct ath_softc *sc)
+{
+        sc->ps_enabled = true;
+        if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
+                if ((sc->imask & ATH9K_INT_TIM_TIMER) == 0) {
+                        sc->imask |= ATH9K_INT_TIM_TIMER;
+                        ath9k_hw_set_interrupts(sc->sc_ah,
+                                        sc->imask);
+                }
+        }
+        ath9k_hw_setrxabort(sc->sc_ah, 1);
+}
+
 static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 {
         struct ath_wiphy *aphy = hw->priv;
@@ -1546,22 +1560,13 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
         if (changed & IEEE80211_CONF_CHANGE_PS) {
                 if (conf->flags & IEEE80211_CONF_PS) {
                         sc->ps_flags |= PS_ENABLED;
-                        if (!(ah->caps.hw_caps &
-                              ATH9K_HW_CAP_AUTOSLEEP)) {
-                                if ((sc->imask & ATH9K_INT_TIM_TIMER) == 0) {
-                                        sc->imask |= ATH9K_INT_TIM_TIMER;
-                                        ath9k_hw_set_interrupts(sc->sc_ah,
-                                                        sc->imask);
-                                }
-                        }
                         /*
                          * At this point we know hardware has received an ACK
                          * of a previously sent null data frame.
                          */
                         if ((sc->ps_flags & PS_NULLFUNC_COMPLETED)) {
                                 sc->ps_flags &= ~PS_NULLFUNC_COMPLETED;
-                                sc->ps_enabled = true;
-                                ath9k_hw_setrxabort(sc->sc_ah, 1);
+                                ath9k_enable_ps(sc);
                         }
                 } else {
                         sc->ps_enabled = false;
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 3c790a4f38f..f5cbbcb9a4a 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -2048,10 +2048,9 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
                  */
                 if (bf->bf_isnullfunc &&
                     (ds->ds_txstat.ts_status & ATH9K_TX_ACKED)) {
-                        if ((sc->ps_flags & PS_ENABLED)) {
-                                sc->ps_enabled = true;
-                                ath9k_hw_setrxabort(sc->sc_ah, 1);
-                        } else
+                        if ((sc->ps_flags & PS_ENABLED))
+                                ath9k_enable_ps(sc);
+                        else
                                 sc->ps_flags |= PS_NULLFUNC_COMPLETED;
                 }