15 files changed, 82 insertions, 63 deletions

diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 8251946842e..42ed923cdb1 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1917,7 +1917,8 @@ ath5k_beacon_send(struct ath5k_softc *sc)
                 sc->bmisscount = 0;
         }
 
-        if (sc->opmode == NL80211_IFTYPE_AP && sc->num_ap_vifs > 1) {
+        if ((sc->opmode == NL80211_IFTYPE_AP && sc->num_ap_vifs > 1) ||
+                        sc->opmode == NL80211_IFTYPE_MESH_POINT) {
                 u64 tsf = ath5k_hw_get_tsf64(ah);
                 u32 tsftu = TSF_TO_TU(tsf);
                 int slot = ((tsftu % sc->bintval) * ATH_BCBUF) / sc->bintval;
@@ -1949,8 +1950,9 @@ ath5k_beacon_send(struct ath5k_softc *sc)
                 /* NB: hw still stops DMA, so proceed */
         }
 
-        /* refresh the beacon for AP mode */
-        if (sc->opmode == NL80211_IFTYPE_AP)
+        /* refresh the beacon for AP or MESH mode */
+        if (sc->opmode == NL80211_IFTYPE_AP ||
+                        sc->opmode == NL80211_IFTYPE_MESH_POINT)
                 ath5k_beacon_update(sc->hw, vif);
 
         ath5k_hw_set_txdp(ah, sc->bhalq, bf->daddr);
@@ -2851,7 +2853,8 @@ static int ath5k_add_interface(struct ieee80211_hw *hw,
 
         /* Assign the vap/adhoc to a beacon xmit slot. */
         if ((avf->opmode == NL80211_IFTYPE_AP) ||
-            (avf->opmode == NL80211_IFTYPE_ADHOC)) {
+            (avf->opmode == NL80211_IFTYPE_ADHOC) ||
+            (avf->opmode == NL80211_IFTYPE_MESH_POINT)) {
                 int slot;
 
                 WARN_ON(list_empty(&sc->bcbuf));
@@ -2870,7 +2873,7 @@ static int ath5k_add_interface(struct ieee80211_hw *hw,
                 sc->bslot[avf->bslot] = vif;
                 if (avf->opmode == NL80211_IFTYPE_AP)
                         sc->num_ap_vifs++;
-                else
+                else if (avf->opmode == NL80211_IFTYPE_ADHOC)
                         sc->num_adhoc_vifs++;
         }
 
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 0d0bec3628e..0963071e8f9 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -329,7 +329,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp);
 struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
 void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
 int ath_tx_setup(struct ath_softc *sc, int haltype);
-void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx);
+bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx);
 void ath_draintxq(struct ath_softc *sc,
                      struct ath_txq *txq, bool retry_tx);
 void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index 526d7c933f7..a3ccb1b9638 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -1063,15 +1063,19 @@ static void ath9k_hw_set_def_power_per_rate_table(struct ath_hw *ah,
         case 1:
                 break;
         case 2:
-                scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
+                if (scaledPower > REDUCE_SCALED_POWER_BY_TWO_CHAIN)
+                        scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
+                else
+                        scaledPower = 0;
                 break;
         case 3:
-                scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
+                if (scaledPower > REDUCE_SCALED_POWER_BY_THREE_CHAIN)
+                        scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
+                else
+                        scaledPower = 0;
                 break;
         }
 
-        scaledPower = max((u16)0, scaledPower);
-
         if (IS_CHAN_2GHZ(chan)) {
                 numCtlModes = ARRAY_SIZE(ctlModesFor11g) -
                         SUB_NUM_CTL_MODES_AT_2G_40;
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index dfb6560dab9..0de3c3d3c24 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -1024,6 +1024,13 @@ static int ath9k_hif_usb_suspend(struct usb_interface *interface,
         struct hif_device_usb *hif_dev =
                 (struct hif_device_usb *) usb_get_intfdata(interface);
 
+        /*
+         * The device has to be set to FULLSLEEP mode in case no
+         * interface is up.
+         */
+        if (!(hif_dev->flags & HIF_USB_START))
+                ath9k_htc_suspend(hif_dev->htc_handle);
+
         ath9k_hif_usb_dealloc_urbs(hif_dev);
 
         return 0;
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 75ecf6a30d2..c3b561daa6c 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -455,6 +455,8 @@ u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
 void ath9k_ps_work(struct work_struct *work);
+bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
+                        enum ath9k_power_mode mode);
 
 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
 void ath9k_init_leds(struct ath9k_htc_priv *priv);
@@ -464,6 +466,7 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
                            u16 devid, char *product);
 void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
 #ifdef CONFIG_PM
+void ath9k_htc_suspend(struct htc_target *htc_handle);
 int ath9k_htc_resume(struct htc_target *htc_handle);
 #endif
 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index 7c8a38d0456..8776f49ffd4 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -891,6 +891,12 @@ void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug)
 }
 
 #ifdef CONFIG_PM
+
+void ath9k_htc_suspend(struct htc_target *htc_handle)
+{
+        ath9k_htc_setpower(htc_handle->drv_priv, ATH9K_PM_FULL_SLEEP);
+}
+
 int ath9k_htc_resume(struct htc_target *htc_handle)
 {
         int ret;
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 9a3be8da755..51977caca47 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -63,8 +63,8 @@ static enum htc_phymode ath9k_htc_get_curmode(struct ath9k_htc_priv *priv,
         return mode;
 }
 
-static bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
-                               enum ath9k_power_mode mode)
+bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
+                        enum ath9k_power_mode mode)
 {
         bool ret;
 
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 8c13479b17c..c996963ab33 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -703,8 +703,7 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
                         rs->rs_phyerr = phyerr;
                 } else if (ads.ds_rxstatus8 & AR_DecryptCRCErr)
                         rs->rs_status |= ATH9K_RXERR_DECRYPT;
-                else if ((ads.ds_rxstatus8 & AR_MichaelErr) &&
-                         rs->rs_keyix != ATH9K_RXKEYIX_INVALID)
+                else if (ads.ds_rxstatus8 & AR_MichaelErr)
                         rs->rs_status |= ATH9K_RXERR_MIC;
                 else if (ads.ds_rxstatus8 & AR_KeyMiss)
                         rs->rs_status |= ATH9K_RXERR_DECRYPT;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index dace215b693..c0c3464d3a8 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -244,11 +244,12 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
          * the relevant bits of the h/w.
          */
         ath9k_hw_set_interrupts(ah, 0);
-        ath_drain_all_txq(sc, false);
+        stopped = ath_drain_all_txq(sc, false);
 
         spin_lock_bh(&sc->rx.pcu_lock);
 
-        stopped = ath_stoprecv(sc);
+        if (!ath_stoprecv(sc))
+                stopped = false;
 
         /* XXX: do not flush receive queue here. We don't want
          * to flush data frames already in queue because of
@@ -1519,8 +1520,6 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
         struct ath_softc *sc = aphy->sc;
         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
         struct ath_vif *avp = (void *)vif->drv_priv;
-        bool bs_valid = false;
-        int i;
 
         ath_print(common, ATH_DBG_CONFIG, "Detach Interface\n");
 
@@ -1534,26 +1533,21 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
         if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) ||
             (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) ||
             (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT)) {
+                /* Disable SWBA interrupt */
+                sc->sc_ah->imask &= ~ATH9K_INT_SWBA;
                 ath9k_ps_wakeup(sc);
+                ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
                 ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
                 ath9k_ps_restore(sc);
+                tasklet_kill(&sc->bcon_tasklet);
         }
 
         ath_beacon_return(sc, avp);
         sc->sc_flags &= ~SC_OP_BEACONS;
 
-        for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) {
-                if (sc->beacon.bslot[i] == vif) {
-                        printk(KERN_DEBUG "%s: vif had allocated beacon "
-                               "slot\n", __func__);
-                        sc->beacon.bslot[i] = NULL;
-                        sc->beacon.bslot_aphy[i] = NULL;
-                } else if (sc->beacon.bslot[i])
-                        bs_valid = true;
-        }
-        if (!bs_valid && (sc->sc_ah->imask & ATH9K_INT_SWBA)) {
-                /* Disable SWBA interrupt */
-                sc->sc_ah->imask &= ~ATH9K_INT_SWBA;
+        if (sc->nbcnvifs) {
+                /* Re-enable SWBA interrupt */
+                sc->sc_ah->imask |= ATH9K_INT_SWBA;
                 ath9k_ps_wakeup(sc);
                 ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
                 ath9k_ps_restore(sc);
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 1a62e351ec7..fdc2ec52b42 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -838,6 +838,10 @@ static bool ath9k_rx_accept(struct ath_common *common,
                             struct ath_rx_status *rx_stats,
                             bool *decrypt_error)
 {
+#define is_mc_or_valid_tkip_keyix ((is_mc ||                    \
+                (rx_stats->rs_keyix != ATH9K_RXKEYIX_INVALID && \
+                test_bit(rx_stats->rs_keyix, common->tkip_keymap))))
+
         struct ath_hw *ah = common->ah;
         __le16 fc;
         u8 rx_status_len = ah->caps.rx_status_len;
@@ -879,15 +883,18 @@ static bool ath9k_rx_accept(struct ath_common *common,
                 if (rx_stats->rs_status & ATH9K_RXERR_DECRYPT) {
                         *decrypt_error = true;
                 } else if (rx_stats->rs_status & ATH9K_RXERR_MIC) {
+                        bool is_mc;
                         /*
                          * The MIC error bit is only valid if the frame
                          * is not a control frame or fragment, and it was
                          * decrypted using a valid TKIP key.
                          */
+                        is_mc = !!is_multicast_ether_addr(hdr->addr1);
+
                         if (!ieee80211_is_ctl(fc) &&
                             !ieee80211_has_morefrags(fc) &&
                             !(le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG) &&
-                            test_bit(rx_stats->rs_keyix, common->tkip_keymap))
+                            is_mc_or_valid_tkip_keyix)
                                 rxs->flag |= RX_FLAG_MMIC_ERROR;
                         else
                                 rx_stats->rs_status &= ~ATH9K_RXERR_MIC;
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index f2ade2402ce..aff04789f79 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1120,7 +1120,7 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
         }
 }
 
-void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
+bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
 {
         struct ath_hw *ah = sc->sc_ah;
         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
@@ -1128,7 +1128,7 @@ void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
         int i, npend = 0;
 
         if (sc->sc_flags & SC_OP_INVALID)
-                return;
+                return true;
 
         /* Stop beacon queue */
         ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
@@ -1142,25 +1142,15 @@ void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
                 }
         }
 
-        if (npend) {
-                int r;
-
-                ath_print(common, ATH_DBG_FATAL,
-                          "Failed to stop TX DMA. Resetting hardware!\n");
-
-                spin_lock_bh(&sc->sc_resetlock);
-                r = ath9k_hw_reset(ah, sc->sc_ah->curchan, ah->caldata, false);
-                if (r)
-                        ath_print(common, ATH_DBG_FATAL,
-                                  "Unable to reset hardware; reset status %d\n",
-                                  r);
-                spin_unlock_bh(&sc->sc_resetlock);
-        }
+        if (npend)
+                ath_print(common, ATH_DBG_FATAL, "Failed to stop TX DMA!\n");
 
         for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
                 if (ATH_TXQ_SETUP(sc, i))
                         ath_draintxq(sc, &sc->tx.txq[i], retry_tx);
         }
+
+        return !npend;
 }
 
 void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq)
diff --git a/drivers/net/wireless/orinoco/main.c b/drivers/net/wireless/orinoco/main.c
index fa0cf744958..f3d396e7544 100644
--- a/drivers/net/wireless/orinoco/main.c
+++ b/drivers/net/wireless/orinoco/main.c
@@ -1811,6 +1811,12 @@ static int __orinoco_commit(struct orinoco_private *priv)
         struct net_device *dev = priv->ndev;
         int err = 0;
 
+        /* If we've called commit, we are reconfiguring or bringing the
+         * interface up. Maintaining countermeasures across this would
+         * be confusing, so note that we've disabled them. The port will
+         * be enabled later in orinoco_commit or __orinoco_up. */
+        priv->tkip_cm_active = 0;
+
         err = orinoco_hw_program_rids(priv);
 
         /* FIXME: what about netif_tx_lock */
diff --git a/drivers/net/wireless/orinoco/orinoco_cs.c b/drivers/net/wireless/orinoco/orinoco_cs.c
index 71b3d68b940..32954c4b243 100644
--- a/drivers/net/wireless/orinoco/orinoco_cs.c
+++ b/drivers/net/wireless/orinoco/orinoco_cs.c
@@ -151,20 +151,20 @@ orinoco_cs_config(struct pcmcia_device *link)
                 goto failed;
         }
 
-        ret = pcmcia_request_irq(link, orinoco_interrupt);
-        if (ret)
-                goto failed;
-
-        /* We initialize the hermes structure before completing PCMCIA
-         * configuration just in case the interrupt handler gets
-         * called. */
         mem = ioport_map(link->resource[0]->start,
                         resource_size(link->resource[0]));
         if (!mem)
                 goto failed;
 
+        /* We initialize the hermes structure before completing PCMCIA
+         * configuration just in case the interrupt handler gets
+         * called. */
         hermes_struct_init(hw, mem, HERMES_16BIT_REGSPACING);
 
+        ret = pcmcia_request_irq(link, orinoco_interrupt);
+        if (ret)
+                goto failed;
+
         ret = pcmcia_enable_device(link);
         if (ret)
                 goto failed;
diff --git a/drivers/net/wireless/orinoco/spectrum_cs.c b/drivers/net/wireless/orinoco/spectrum_cs.c
index fb859a5ad2e..db34c282e59 100644
--- a/drivers/net/wireless/orinoco/spectrum_cs.c
+++ b/drivers/net/wireless/orinoco/spectrum_cs.c
@@ -214,21 +214,21 @@ spectrum_cs_config(struct pcmcia_device *link)
                 goto failed;
         }
 
-        ret = pcmcia_request_irq(link, orinoco_interrupt);
-        if (ret)
-                goto failed;
-
-        /* We initialize the hermes structure before completing PCMCIA
-         * configuration just in case the interrupt handler gets
-         * called. */
         mem = ioport_map(link->resource[0]->start,
                         resource_size(link->resource[0]));
         if (!mem)
                 goto failed;
 
+        /* We initialize the hermes structure before completing PCMCIA
+         * configuration just in case the interrupt handler gets
+         * called. */
         hermes_struct_init(hw, mem, HERMES_16BIT_REGSPACING);
         hw->eeprom_pda = true;
 
+        ret = pcmcia_request_irq(link, orinoco_interrupt);
+        if (ret)
+                goto failed;
+
         ret = pcmcia_enable_device(link);
         if (ret)
                 goto failed;
diff --git a/drivers/net/wireless/orinoco/wext.c b/drivers/net/wireless/orinoco/wext.c
index 93505f93bf9..e5afabee60d 100644
--- a/drivers/net/wireless/orinoco/wext.c
+++ b/drivers/net/wireless/orinoco/wext.c
@@ -911,10 +911,10 @@ static int orinoco_ioctl_set_auth(struct net_device *dev,
                  */
                 if (param->value) {
                         priv->tkip_cm_active = 1;
-                        ret = hermes_enable_port(hw, 0);
+                        ret = hermes_disable_port(hw, 0);
                 } else {
                         priv->tkip_cm_active = 0;
-                        ret = hermes_disable_port(hw, 0);
+                        ret = hermes_enable_port(hw, 0);
                 }
                 break;