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

drivers/net/wireless/Kconfig

@@ -611,14 +611,20 @@ config RTL8180
 	  Thanks to Realtek for their support!
 
 config RTL8187
-	tristate "Realtek 8187 USB support"
+	tristate "Realtek 8187 and 8187B USB support"
 	depends on MAC80211 && USB && WLAN_80211 && EXPERIMENTAL
 	select EEPROM_93CX6
 	---help---
-	  This is a driver for RTL8187 based cards.
-	  These are USB based chips found in cards such as:
+	  This is a driver for RTL8187 and RTL8187B based cards.
+	  These are USB based chips found in devices such as:
 
 	  Netgear WG111v2
+	  Level 1 WNC-0301USB
+	  Micronet SP907GK V5
+	  Encore ENUWI-G2
+	  Trendnet TEW-424UB
+	  ASUS P5B Deluxe
+	  Toshiba Satellite Pro series of laptops
 
 	  Thanks to Realtek for their support!
 

drivers/net/wireless/b43legacy/dma.c

@@ -859,6 +859,18 @@ static u64 supported_dma_mask(struct b43legacy_wldev *dev)
 	return DMA_30BIT_MASK;
 }
 
+static enum b43legacy_dmatype dma_mask_to_engine_type(u64 dmamask)
+{
+	if (dmamask == DMA_30BIT_MASK)
+		return B43legacy_DMA_30BIT;
+	if (dmamask == DMA_32BIT_MASK)
+		return B43legacy_DMA_32BIT;
+	if (dmamask == DMA_64BIT_MASK)
+		return B43legacy_DMA_64BIT;
+	B43legacy_WARN_ON(1);
+	return B43legacy_DMA_30BIT;
+}
+
 /* Main initialization function. */
 static
 struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev,
@@ -1018,6 +1030,43 @@ void b43legacy_dma_free(struct b43legacy_wldev *dev)
 	dma->tx_ring0 = NULL;
 }
 
+static int b43legacy_dma_set_mask(struct b43legacy_wldev *dev, u64 mask)
+{
+	u64 orig_mask = mask;
+	bool fallback = 0;
+	int err;
+
+	/* Try to set the DMA mask. If it fails, try falling back to a
+	 * lower mask, as we can always also support a lower one. */
+	while (1) {
+		err = ssb_dma_set_mask(dev->dev, mask);
+		if (!err)
+			break;
+		if (mask == DMA_64BIT_MASK) {
+			mask = DMA_32BIT_MASK;
+			fallback = 1;
+			continue;
+		}
+		if (mask == DMA_32BIT_MASK) {
+			mask = DMA_30BIT_MASK;
+			fallback = 1;
+			continue;
+		}
+		b43legacyerr(dev->wl, "The machine/kernel does not support "
+		       "the required %u-bit DMA mask\n",
+		       (unsigned int)dma_mask_to_engine_type(orig_mask));
+		return -EOPNOTSUPP;
+	}
+	if (fallback) {
+		b43legacyinfo(dev->wl, "DMA mask fallback from %u-bit to %u-"
+			"bit\n",
+			(unsigned int)dma_mask_to_engine_type(orig_mask),
+			(unsigned int)dma_mask_to_engine_type(mask));
+	}
+
+	return 0;
+}
+
 int b43legacy_dma_init(struct b43legacy_wldev *dev)
 {
 	struct b43legacy_dma *dma = &dev->dma;
@@ -1027,21 +1076,8 @@ int b43legacy_dma_init(struct b43legacy_wldev *dev)
 	enum b43legacy_dmatype type;
 
 	dmamask = supported_dma_mask(dev);
-	switch (dmamask) {
-	default:
-		B43legacy_WARN_ON(1);
-	case DMA_30BIT_MASK:
-		type = B43legacy_DMA_30BIT;
-		break;
-	case DMA_32BIT_MASK:
-		type = B43legacy_DMA_32BIT;
-		break;
-	case DMA_64BIT_MASK:
-		type = B43legacy_DMA_64BIT;
-		break;
-	}
-
-	err = ssb_dma_set_mask(dev->dev, dmamask);
+	type = dma_mask_to_engine_type(dmamask);
+	err = b43legacy_dma_set_mask(dev, dmamask);
 	if (err) {
 #ifdef CONFIG_B43LEGACY_PIO
 		b43legacywarn(dev->wl, "DMA for this device not supported. "

drivers/net/wireless/hostap/hostap_hw.c

@@ -3417,7 +3417,7 @@ static void prism2_free_local_data(struct net_device *dev)
 }
 
 
-#ifndef PRISM2_PLX
+#if (defined(PRISM2_PCI) && defined(CONFIG_PM)) || defined(PRISM2_PCCARD)
 static void prism2_suspend(struct net_device *dev)
 {
 	struct hostap_interface *iface;
@@ -3436,7 +3436,7 @@ static void prism2_suspend(struct net_device *dev)
 	/* Disable hardware and firmware */
 	prism2_hw_shutdown(dev, 0);
 }
-#endif /* PRISM2_PLX */
+#endif /* (PRISM2_PCI && CONFIG_PM) || PRISM2_PCCARD */
 
 
 /* These might at some point be compiled separately and used as separate

drivers/net/wireless/iwlwifi/Kconfig

@@ -104,6 +104,7 @@ config IWL3945
 	select IWLWIFI
 	select MAC80211_LEDS if IWL3945_LEDS
 	select LEDS_CLASS if IWL3945_LEDS
+	select RFKILL if IWL3945_RFKILL
 	---help---
 	  Select to build the driver supporting the:
 
@@ -126,6 +127,10 @@ config IWL3945
 	  say M here and read <file:Documentation/kbuild/modules.txt>.  The
 	  module will be called iwl3945.ko.
 
+config IWL3945_RFKILL
+	bool "Enable RF kill support in iwl3945 drivers"
+	depends on IWL3945
+
 config IWL3945_SPECTRUM_MEASUREMENT
 	bool "Enable Spectrum Measurement in iwl3945 drivers"
 	depends on IWL3945

drivers/net/wireless/iwlwifi/iwl-3945.h

@@ -690,14 +690,9 @@ enum {
 
 #endif
 
-#ifdef CONFIG_IWLWIFI_RFKILL
+#ifdef CONFIG_IWL3945_RFKILL
 struct iwl3945_priv;
 
-struct iwl3945_rfkill_mngr {
-	struct rfkill *rfkill;
-	struct input_dev *input_dev;
-};
-
 void iwl3945_rfkill_set_hw_state(struct iwl3945_priv *priv);
 void iwl3945_rfkill_unregister(struct iwl3945_priv *priv);
 int iwl3945_rfkill_init(struct iwl3945_priv *priv);
@@ -800,8 +795,8 @@ struct iwl3945_priv {
 	struct iwl3945_init_alive_resp card_alive_init;
 	struct iwl3945_alive_resp card_alive;
 
-#ifdef CONFIG_IWLWIFI_RFKILL
-	struct iwl3945_rfkill_mngr rfkill_mngr;
+#ifdef CONFIG_IWL3945_RFKILL
+	struct rfkill *rfkill;
 #endif
 
 #ifdef CONFIG_IWL3945_LEDS

drivers/net/wireless/iwlwifi/iwl-4965.c

@@ -2285,9 +2285,9 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
 
 		iwl4965_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);
 
-		if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status)) {
-			/* TODO: send BAR */
-		}
+		/* check if BAR is needed */
+		if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status))
+			info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
 
 		if (txq->q.read_ptr != (scd_ssn & 0xff)) {
 			int freed, ampdu_q;

drivers/net/wireless/iwlwifi/iwl-5000.c

@@ -1278,9 +1278,9 @@ static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
 
 		iwl5000_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);
 
-		if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status)) {
-			/* TODO: send BAR */
-		}
+		/* check if BAR is needed */
+		if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status))
+			info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
 
 		if (txq->q.read_ptr != (scd_ssn & 0xff)) {
 			int freed, ampdu_q;

drivers/net/wireless/iwlwifi/iwl-core.h

@@ -356,10 +356,19 @@ static inline int iwl_is_init(struct iwl_priv *priv)
 	return test_bit(STATUS_INIT, &priv->status);
 }
 
+static inline int iwl_is_rfkill_sw(struct iwl_priv *priv)
+{
+	return test_bit(STATUS_RF_KILL_SW, &priv->status);
+}
+
+static inline int iwl_is_rfkill_hw(struct iwl_priv *priv)
+{
+	return test_bit(STATUS_RF_KILL_HW, &priv->status);
+}
+
 static inline int iwl_is_rfkill(struct iwl_priv *priv)
 {
-	return test_bit(STATUS_RF_KILL_HW, &priv->status) ||
-	       test_bit(STATUS_RF_KILL_SW, &priv->status);
+	return iwl_is_rfkill_hw(priv) || iwl_is_rfkill_sw(priv);
 }
 
 static inline int iwl_is_ready_rf(struct iwl_priv *priv)

drivers/net/wireless/iwlwifi/iwl-dev.h

@@ -929,7 +929,7 @@ struct iwl_priv {
 	struct iwl_init_alive_resp card_alive_init;
 	struct iwl_alive_resp card_alive;
 #ifdef CONFIG_IWLWIFI_RFKILL
-	struct iwl_rfkill_mngr rfkill_mngr;
+	struct rfkill *rfkill;
 #endif
 
 #ifdef CONFIG_IWLWIFI_LEDS
@@ -1103,7 +1103,7 @@ static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
 	clear_bit(txq_id, &priv->txq_ctx_active_msk);
 }
 
-#ifdef CONFIG_IWLWIF_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUG
 const char *iwl_get_tx_fail_reason(u32 status);
 #else
 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }

drivers/net/wireless/iwlwifi/iwl-rfkill.c

@@ -44,7 +44,7 @@ static int iwl_rfkill_soft_rf_kill(void *data, enum rfkill_state state)
 	struct iwl_priv *priv = data;
 	int err = 0;
 
-	if (!priv->rfkill_mngr.rfkill)
+	if (!priv->rfkill)
 		return 0;
 
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
@@ -55,20 +55,20 @@ static int iwl_rfkill_soft_rf_kill(void *data, enum rfkill_state state)
 
 	switch (state) {
 	case RFKILL_STATE_UNBLOCKED:
-		iwl_radio_kill_sw_enable_radio(priv);
-		/* if HW rf-kill is set dont allow ON state */
-		if (iwl_is_rfkill(priv))
+		if (iwl_is_rfkill_hw(priv)) {
 			err = -EBUSY;
+			goto out_unlock;
+		}
+		iwl_radio_kill_sw_enable_radio(priv);
 		break;
 	case RFKILL_STATE_SOFT_BLOCKED:
 		iwl_radio_kill_sw_disable_radio(priv);
-		if (!iwl_is_rfkill(priv))
-			err = -EBUSY;
 		break;
 	default:
 		IWL_WARNING("we recieved unexpected RFKILL state %d\n", state);
 		break;
 	}
+out_unlock:
 	mutex_unlock(&priv->mutex);
 
 	return err;
@@ -82,39 +82,35 @@ int iwl_rfkill_init(struct iwl_priv *priv)
 	BUG_ON(device == NULL);
 
 	IWL_DEBUG_RF_KILL("Initializing RFKILL.\n");
-	priv->rfkill_mngr.rfkill = rfkill_allocate(device, RFKILL_TYPE_WLAN);
-	if (!priv->rfkill_mngr.rfkill) {
+	priv->rfkill = rfkill_allocate(device, RFKILL_TYPE_WLAN);
+	if (!priv->rfkill) {
 		IWL_ERROR("Unable to allocate rfkill device.\n");
 		ret = -ENOMEM;
 		goto error;
 	}
 
-	priv->rfkill_mngr.rfkill->name = priv->cfg->name;
-	priv->rfkill_mngr.rfkill->data = priv;
-	priv->rfkill_mngr.rfkill->state = RFKILL_STATE_ON;
-	priv->rfkill_mngr.rfkill->toggle_radio = iwl_rfkill_soft_rf_kill;
-	priv->rfkill_mngr.rfkill->user_claim_unsupported = 1;
+	priv->rfkill->name = priv->cfg->name;
+	priv->rfkill->data = priv;
+	priv->rfkill->state = RFKILL_STATE_UNBLOCKED;
+	priv->rfkill->toggle_radio = iwl_rfkill_soft_rf_kill;
+	priv->rfkill->user_claim_unsupported = 1;
 
-	priv->rfkill_mngr.rfkill->dev.class->suspend = NULL;
-	priv->rfkill_mngr.rfkill->dev.class->resume = NULL;
+	priv->rfkill->dev.class->suspend = NULL;
+	priv->rfkill->dev.class->resume = NULL;
 
-	ret = rfkill_register(priv->rfkill_mngr.rfkill);
+	ret = rfkill_register(priv->rfkill);
 	if (ret) {
 		IWL_ERROR("Unable to register rfkill: %d\n", ret);
-		goto unregister_rfkill;
+		goto free_rfkill;
 	}
 
 	IWL_DEBUG_RF_KILL("RFKILL initialization complete.\n");
 	return ret;
 
-unregister_rfkill:
-	rfkill_unregister(priv->rfkill_mngr.rfkill);
-	priv->rfkill_mngr.rfkill = NULL;
-
-freed_rfkill:
-	if (priv->rfkill_mngr.rfkill != NULL)
-		rfkill_free(priv->rfkill_mngr.rfkill);
-	priv->rfkill_mngr.rfkill = NULL;
+free_rfkill:
+	if (priv->rfkill != NULL)
+		rfkill_free(priv->rfkill);
+	priv->rfkill = NULL;
 
 error:
 	IWL_DEBUG_RF_KILL("RFKILL initialization complete.\n");
@@ -125,22 +121,27 @@ EXPORT_SYMBOL(iwl_rfkill_init);
 void iwl_rfkill_unregister(struct iwl_priv *priv)
 {
 
-	if (priv->rfkill_mngr.rfkill)
-		rfkill_unregister(priv->rfkill_mngr.rfkill);
+	if (priv->rfkill)
+		rfkill_unregister(priv->rfkill);
 
-	priv->rfkill_mngr.rfkill = NULL;
+	priv->rfkill = NULL;
 }
 EXPORT_SYMBOL(iwl_rfkill_unregister);
 
 /* set rf-kill to the right state. */
 void iwl_rfkill_set_hw_state(struct iwl_priv *priv)
 {
-	if (!priv->rfkill_mngr.rfkill)
+	if (!priv->rfkill)
 		return;
 
-	if (!iwl_is_rfkill(priv))
-		priv->rfkill_mngr.rfkill->state = RFKILL_STATE_ON;
+	if (iwl_is_rfkill_hw(priv)) {
+		rfkill_force_state(priv->rfkill, RFKILL_STATE_HARD_BLOCKED);
+		return;
+	}
+
+	if (!iwl_is_rfkill_sw(priv))
+		rfkill_force_state(priv->rfkill, RFKILL_STATE_UNBLOCKED);
 	else
-		priv->rfkill_mngr.rfkill->state = RFKILL_STATE_OFF;
+		rfkill_force_state(priv->rfkill, RFKILL_STATE_SOFT_BLOCKED);
 }
 EXPORT_SYMBOL(iwl_rfkill_set_hw_state);

drivers/net/wireless/iwlwifi/iwl-rfkill.h

@@ -33,9 +33,6 @@ struct iwl_priv;
 #include <linux/rfkill.h>
 
 #ifdef CONFIG_IWLWIFI_RFKILL
-struct iwl_rfkill_mngr {
-	struct rfkill *rfkill;
-};
 
 void iwl_rfkill_set_hw_state(struct iwl_priv *priv);
 void iwl_rfkill_unregister(struct iwl_priv *priv);

drivers/net/wireless/iwlwifi/iwl-tx.c

@@ -1493,7 +1493,7 @@ void iwl_rx_reply_compressed_ba(struct iwl_priv *priv,
 }
 EXPORT_SYMBOL(iwl_rx_reply_compressed_ba);
 
-#ifdef CONFIG_IWLWIF_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUG
 #define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x
 
 const char *iwl_get_tx_fail_reason(u32 status)

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -537,10 +537,20 @@ static inline int iwl3945_is_init(struct iwl3945_priv *priv)
 	return test_bit(STATUS_INIT, &priv->status);
 }
 
+static inline int iwl3945_is_rfkill_sw(struct iwl3945_priv *priv)
+{
+	return test_bit(STATUS_RF_KILL_SW, &priv->status);
+}
+
+static inline int iwl3945_is_rfkill_hw(struct iwl3945_priv *priv)
+{
+	return test_bit(STATUS_RF_KILL_HW, &priv->status);
+}
+
 static inline int iwl3945_is_rfkill(struct iwl3945_priv *priv)
 {
-	return test_bit(STATUS_RF_KILL_HW, &priv->status) ||
-	       test_bit(STATUS_RF_KILL_SW, &priv->status);
+	return iwl3945_is_rfkill_hw(priv) ||
+		iwl3945_is_rfkill_sw(priv);
 }
 
 static inline int iwl3945_is_ready_rf(struct iwl3945_priv *priv)
@@ -6013,12 +6023,11 @@ static int __iwl3945_up(struct iwl3945_priv *priv)
 	else {
 		set_bit(STATUS_RF_KILL_HW, &priv->status);
 		if (!test_bit(STATUS_IN_SUSPEND, &priv->status)) {
-			iwl3945_rfkill_set_hw_state(priv);
 			IWL_WARNING("Radio disabled by HW RF Kill switch\n");
 			return -ENODEV;
 		}
 	}
-	iwl3945_rfkill_set_hw_state(priv);
+
 	iwl3945_write32(priv, CSR_INT, 0xFFFFFFFF);
 
 	rc = iwl3945_hw_nic_init(priv);
@@ -6143,8 +6152,8 @@ static void iwl3945_bg_rf_kill(struct work_struct *work)
 				    "wireless networking to work.\n");
 	}
 
-	iwl3945_rfkill_set_hw_state(priv);
 	mutex_unlock(&priv->mutex);
+	iwl3945_rfkill_set_hw_state(priv);
 }
 
 static void iwl3945_bg_set_monitor(struct work_struct *work)
@@ -6398,6 +6407,7 @@ static void iwl3945_bg_up(struct work_struct *data)
 	mutex_lock(&priv->mutex);
 	__iwl3945_up(priv);
 	mutex_unlock(&priv->mutex);
+	iwl3945_rfkill_set_hw_state(priv);
 }
 
 static void iwl3945_bg_restart(struct work_struct *data)
@@ -6618,6 +6628,8 @@ static int iwl3945_mac_start(struct ieee80211_hw *hw)
 
 	mutex_unlock(&priv->mutex);
 
+	iwl3945_rfkill_set_hw_state(priv);
+
 	if (ret)
 		goto out_release_irq;
 
@@ -8276,14 +8288,14 @@ static int iwl3945_pci_resume(struct pci_dev *pdev)
 #endif /* CONFIG_PM */
 
 /*************** RFKILL FUNCTIONS **********/
-#ifdef CONFIG_IWLWIFI_RFKILL
+#ifdef CONFIG_IWL3945_RFKILL
 /* software rf-kill from user */
 static int iwl3945_rfkill_soft_rf_kill(void *data, enum rfkill_state state)
 {
 	struct iwl3945_priv *priv = data;
 	int err = 0;
 
-	if (!priv->rfkill_mngr.rfkill)
+	if (!priv->rfkill)
 	return 0;
 
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
@@ -8294,20 +8306,20 @@ static int iwl3945_rfkill_soft_rf_kill(void *data, enum rfkill_state state)
 
 	switch (state) {
 	case RFKILL_STATE_UNBLOCKED:
-		iwl3945_radio_kill_sw(priv, 0);
-		/* if HW rf-kill is set dont allow ON state */
-		if (iwl3945_is_rfkill(priv))
+		if (iwl3945_is_rfkill_hw(priv)) {
 			err = -EBUSY;
+			goto out_unlock;
+		}
+		iwl3945_radio_kill_sw(priv, 0);
 		break;
 	case RFKILL_STATE_SOFT_BLOCKED:
 		iwl3945_radio_kill_sw(priv, 1);
-		if (!iwl3945_is_rfkill(priv))
-			err = -EBUSY;
 		break;
 	default:
 		IWL_WARNING("we recieved unexpected RFKILL state %d\n", state);
 		break;
 	}
+out_unlock:
 	mutex_unlock(&priv->mutex);
 
 	return err;
@@ -8321,64 +8333,35 @@ int iwl3945_rfkill_init(struct iwl3945_priv *priv)
 	BUG_ON(device == NULL);
 
 	IWL_DEBUG_RF_KILL("Initializing RFKILL.\n");
-	priv->rfkill_mngr.rfkill = rfkill_allocate(device, RFKILL_TYPE_WLAN);
-	if (!priv->rfkill_mngr.rfkill) {
+	priv->rfkill = rfkill_allocate(device, RFKILL_TYPE_WLAN);
+	if (!priv->rfkill) {
 		IWL_ERROR("Unable to allocate rfkill device.\n");
 		ret = -ENOMEM;
 		goto error;
 	}
 
-	priv->rfkill_mngr.rfkill->name = priv->cfg->name;
-	priv->rfkill_mngr.rfkill->data = priv;
-	priv->rfkill_mngr.rfkill->state = RFKILL_STATE_ON;
-	priv->rfkill_mngr.rfkill->toggle_radio = iwl3945_rfkill_soft_rf_kill;
-	priv->rfkill_mngr.rfkill->user_claim_unsupported = 1;
-
-	priv->rfkill_mngr.rfkill->dev.class->suspend = NULL;
-	priv->rfkill_mngr.rfkill->dev.class->resume = NULL;
+	priv->rfkill->name = priv->cfg->name;
+	priv->rfkill->data = priv;
+	priv->rfkill->state = RFKILL_STATE_UNBLOCKED;
+	priv->rfkill->toggle_radio = iwl3945_rfkill_soft_rf_kill;
+	priv->rfkill->user_claim_unsupported = 1;
 
-	priv->rfkill_mngr.input_dev = input_allocate_device();
-	if (!priv->rfkill_mngr.input_dev) {
-		IWL_ERROR("Unable to allocate rfkill input device.\n");
-		ret = -ENOMEM;
-		goto freed_rfkill;
-	}
+	priv->rfkill->dev.class->suspend = NULL;
+	priv->rfkill->dev.class->resume = NULL;
 
-	priv->rfkill_mngr.input_dev->name = priv->cfg->name;
-	priv->rfkill_mngr.input_dev->phys = wiphy_name(priv->hw->wiphy);
-	priv->rfkill_mngr.input_dev->id.bustype = BUS_HOST;
-	priv->rfkill_mngr.input_dev->id.vendor = priv->pci_dev->vendor;
-	priv->rfkill_mngr.input_dev->dev.parent = device;
-	priv->rfkill_mngr.input_dev->evbit[0] = BIT(EV_KEY);
-	set_bit(KEY_WLAN, priv->rfkill_mngr.input_dev->keybit);
-
-	ret = rfkill_register(priv->rfkill_mngr.rfkill);
+	ret = rfkill_register(priv->rfkill);
 	if (ret) {
 		IWL_ERROR("Unable to register rfkill: %d\n", ret);
-		goto free_input_dev;
-	}
-
-	ret = input_register_device(priv->rfkill_mngr.input_dev);
-	if (ret) {
-		IWL_ERROR("Unable to register rfkill input device: %d\n", ret);
-		goto unregister_rfkill;
+		goto freed_rfkill;
 	}
 
 	IWL_DEBUG_RF_KILL("RFKILL initialization complete.\n");
 	return ret;
 
-unregister_rfkill:
-	rfkill_unregister(priv->rfkill_mngr.rfkill);
-	priv->rfkill_mngr.rfkill = NULL;
-
-free_input_dev:
-	input_free_device(priv->rfkill_mngr.input_dev);
-	priv->rfkill_mngr.input_dev = NULL;
-
 freed_rfkill:
-	if (priv->rfkill_mngr.rfkill != NULL)
-		rfkill_free(priv->rfkill_mngr.rfkill);
-	priv->rfkill_mngr.rfkill = NULL;
+	if (priv->rfkill != NULL)
+		rfkill_free(priv->rfkill);
+	priv->rfkill = NULL;
 
 error:
 	IWL_DEBUG_RF_KILL("RFKILL initialization complete.\n");
@@ -8387,28 +8370,28 @@ int iwl3945_rfkill_init(struct iwl3945_priv *priv)
 
 void iwl3945_rfkill_unregister(struct iwl3945_priv *priv)
 {
+	if (priv->rfkill)
+		rfkill_unregister(priv->rfkill);
 
-	if (priv->rfkill_mngr.input_dev)
-		input_unregister_device(priv->rfkill_mngr.input_dev);
-
-	if (priv->rfkill_mngr.rfkill)
-		rfkill_unregister(priv->rfkill_mngr.rfkill);
-
-	priv->rfkill_mngr.input_dev = NULL;
-	priv->rfkill_mngr.rfkill = NULL;
+	priv->rfkill = NULL;
 }
 
 /* set rf-kill to the right state. */
 void iwl3945_rfkill_set_hw_state(struct iwl3945_priv *priv)
 {
 
-	if (!priv->rfkill_mngr.rfkill)
+	if (!priv->rfkill)
+		return;
+
+	if (iwl3945_is_rfkill_hw(priv)) {
+		rfkill_force_state(priv->rfkill, RFKILL_STATE_HARD_BLOCKED);
 		return;
+	}
 
-	if (!iwl3945_is_rfkill(priv))
-		priv->rfkill_mngr.rfkill->state = RFKILL_STATE_ON;
+	if (!iwl3945_is_rfkill_sw(priv))
+		rfkill_force_state(priv->rfkill, RFKILL_STATE_UNBLOCKED);
 	else
-		priv->rfkill_mngr.rfkill->state = RFKILL_STATE_OFF;
+		rfkill_force_state(priv->rfkill, RFKILL_STATE_SOFT_BLOCKED);
 }
 #endif
 

drivers/net/wireless/iwlwifi/iwl4965-base.c

@@ -2187,13 +2187,11 @@ static int __iwl4965_up(struct iwl_priv *priv)
 
 	if (!test_bit(STATUS_IN_SUSPEND, &priv->status) &&
 	    iwl_is_rfkill(priv)) {
-		iwl_rfkill_set_hw_state(priv);
 		IWL_WARNING("Radio disabled by %s RF Kill switch\n",
 		    test_bit(STATUS_RF_KILL_HW, &priv->status) ? "HW" : "SW");
 		return -ENODEV;
 	}
 
-	iwl_rfkill_set_hw_state(priv);
 	iwl_write32(priv, CSR_INT, 0xFFFFFFFF);
 
 	ret = priv->cfg->ops->lib->alloc_shared_mem(priv);
@@ -2330,9 +2328,8 @@ static void iwl4965_bg_rf_kill(struct work_struct *work)
 				    "Kill switch must be turned off for "
 				    "wireless networking to work.\n");
 	}
-	iwl_rfkill_set_hw_state(priv);
-
 	mutex_unlock(&priv->mutex);
+	iwl_rfkill_set_hw_state(priv);
 }
 
 static void iwl4965_bg_set_monitor(struct work_struct *work)
@@ -2390,6 +2387,7 @@ static void iwl4965_bg_up(struct work_struct *data)
 	mutex_lock(&priv->mutex);
 	__iwl4965_up(priv);
 	mutex_unlock(&priv->mutex);
+	iwl_rfkill_set_hw_state(priv);
 }
 
 static void iwl4965_bg_restart(struct work_struct *data)
@@ -2604,6 +2602,8 @@ static int iwl4965_mac_start(struct ieee80211_hw *hw)
 
 	mutex_unlock(&priv->mutex);
 
+	iwl_rfkill_set_hw_state(priv);
+
 	if (ret)
 		goto out_release_irq;
 

drivers/net/wireless/rt2x00/Kconfig

@@ -36,9 +36,7 @@ config RT2X00_LIB_FIRMWARE
 config RT2X00_LIB_RFKILL
 	boolean
 	depends on RT2X00_LIB
-	depends on INPUT
 	select RFKILL
-	select INPUT_POLLDEV
 
 config RT2X00_LIB_LEDS
 	boolean
@@ -57,7 +55,7 @@ config RT2400PCI
 
 config RT2400PCI_RFKILL
 	bool "Ralink rt2400 rfkill support"
-	depends on RT2400PCI && INPUT
+	depends on RT2400PCI
 	select RT2X00_LIB_RFKILL
 	---help---
 	  This adds support for integrated rt2400 hardware that features a
@@ -85,7 +83,7 @@ config RT2500PCI
 
 config RT2500PCI_RFKILL
 	bool "Ralink rt2500 rfkill support"
-	depends on RT2500PCI && INPUT
+	depends on RT2500PCI
 	select RT2X00_LIB_RFKILL
 	---help---
 	  This adds support for integrated rt2500 hardware that features a
@@ -115,7 +113,7 @@ config RT61PCI
 
 config RT61PCI_RFKILL
 	bool "Ralink rt2501/rt61 rfkill support"
-	depends on RT61PCI && INPUT
+	depends on RT61PCI
 	select RT2X00_LIB_RFKILL
 	---help---
 	  This adds support for integrated rt61 hardware that features a

drivers/net/wireless/rt2x00/rt2400pci.c

@@ -1087,25 +1087,48 @@ static void rt2400pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
 static void rt2400pci_fill_rxdone(struct queue_entry *entry,
 				  struct rxdone_entry_desc *rxdesc)
 {
+	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 	u32 word0;
 	u32 word2;
 	u32 word3;
+	u32 word4;
+	u64 tsf;
+	u32 rx_low;
+	u32 rx_high;
 
 	rt2x00_desc_read(entry_priv->desc, 0, &word0);
 	rt2x00_desc_read(entry_priv->desc, 2, &word2);
 	rt2x00_desc_read(entry_priv->desc, 3, &word3);
+	rt2x00_desc_read(entry_priv->desc, 4, &word4);
 
 	if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
 		rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 	if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
 		rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
 
+	/*
+	 * We only get the lower 32bits from the timestamp,
+	 * to get the full 64bits we must complement it with
+	 * the timestamp from get_tsf().
+	 * Note that when a wraparound of the lower 32bits
+	 * has occurred between the frame arrival and the get_tsf()
+	 * call, we must decrease the higher 32bits with 1 to get
+	 * to correct value.
+	 */
+	tsf = rt2x00dev->ops->hw->get_tsf(rt2x00dev->hw);
+	rx_low = rt2x00_get_field32(word4, RXD_W4_RX_END_TIME);
+	rx_high = upper_32_bits(tsf);
+
+	if ((u32)tsf <= rx_low)
+		rx_high--;
+
 	/*
 	 * Obtain the status about this packet.
 	 * The signal is the PLCP value, and needs to be stripped
 	 * of the preamble bit (0x08).
 	 */
+	rxdesc->timestamp = ((u64)rx_high << 32) | rx_low;
 	rxdesc->signal = rt2x00_get_field32(word2, RXD_W2_SIGNAL) & ~0x08;
 	rxdesc->rssi = rt2x00_get_field32(word2, RXD_W3_RSSI) -
 	    entry->queue->rt2x00dev->rssi_offset;

drivers/net/wireless/rt2x00/rt2500pci.h

@@ -751,7 +751,7 @@
 #define LEDCSR_LED_DEFAULT		FIELD32(0x00100000)
 
 /*
- * AES control register.
+ * SECCSR3: AES control register.
  */
 #define SECCSR3				0x00fc
 
@@ -895,7 +895,7 @@
 #define ARTCSR2_ACK_CTS_54MBS		FIELD32(0xff000000)
 
 /*
- * SECCSR1_RT2509: WEP control register.
+ * SECCSR1: WEP control register.
  * KICK_ENCRYPT: Kick encryption engine, self-clear.
  * ONE_SHOT: 0: ring mode, 1: One shot only mode.
  * DESC_ADDRESS: Descriptor physical address of frame.

drivers/net/wireless/rt2x00/rt2500usb.h

@@ -209,7 +209,7 @@
 #define MAC_CSR21_OFF_PERIOD		FIELD16(0xff00)
 
 /*
- * Collision window control register.
+ * MAC_CSR22: Collision window control register.
  */
 #define MAC_CSR22			0x042c
 
@@ -296,7 +296,7 @@
 #define TXRX_CSR7_BBP_ID1_VALID		FIELD16(0x8000)
 
 /*
- * TXRX_CSR5: OFDM TX BBP ID1.
+ * TXRX_CSR8: OFDM TX BBP ID1.
  */
 #define TXRX_CSR8			0x0450
 #define TXRX_CSR8_BBP_ID0		FIELD16(0x007f)
@@ -370,7 +370,14 @@
  */
 
 /*
- * SEC_CSR0-SEC_CSR7: Shared key 0, word 0-7
+ * SEC_CSR0: Shared key 0, word 0
+ * SEC_CSR1: Shared key 0, word 1
+ * SEC_CSR2: Shared key 0, word 2
+ * SEC_CSR3: Shared key 0, word 3
+ * SEC_CSR4: Shared key 0, word 4
+ * SEC_CSR5: Shared key 0, word 5
+ * SEC_CSR6: Shared key 0, word 6
+ * SEC_CSR7: Shared key 0, word 7
  */
 #define SEC_CSR0			0x0480
 #define SEC_CSR1			0x0482
@@ -382,7 +389,14 @@
 #define SEC_CSR7			0x048e
 
 /*
- * SEC_CSR8-SEC_CSR15: Shared key 1, word 0-7
+ * SEC_CSR8: Shared key 1, word 0
+ * SEC_CSR9: Shared key 1, word 1
+ * SEC_CSR10: Shared key 1, word 2
+ * SEC_CSR11: Shared key 1, word 3
+ * SEC_CSR12: Shared key 1, word 4
+ * SEC_CSR13: Shared key 1, word 5
+ * SEC_CSR14: Shared key 1, word 6
+ * SEC_CSR15: Shared key 1, word 7
  */
 #define SEC_CSR8			0x0490
 #define SEC_CSR9			0x0492
@@ -394,7 +408,14 @@
 #define SEC_CSR15			0x049e
 
 /*
- * SEC_CSR16-SEC_CSR23: Shared key 2, word 0-7
+ * SEC_CSR16: Shared key 2, word 0
+ * SEC_CSR17: Shared key 2, word 1
+ * SEC_CSR18: Shared key 2, word 2
+ * SEC_CSR19: Shared key 2, word 3
+ * SEC_CSR20: Shared key 2, word 4
+ * SEC_CSR21: Shared key 2, word 5
+ * SEC_CSR22: Shared key 2, word 6
+ * SEC_CSR23: Shared key 2, word 7
  */
 #define SEC_CSR16			0x04a0
 #define SEC_CSR17			0x04a2
@@ -406,7 +427,14 @@
 #define SEC_CSR23			0x04ae
 
 /*
- * SEC_CSR24-SEC_CSR31: Shared key 3, word 0-7
+ * SEC_CSR24: Shared key 3, word 0
+ * SEC_CSR25: Shared key 3, word 1
+ * SEC_CSR26: Shared key 3, word 2
+ * SEC_CSR27: Shared key 3, word 3
+ * SEC_CSR28: Shared key 3, word 4
+ * SEC_CSR29: Shared key 3, word 5
+ * SEC_CSR30: Shared key 3, word 6
+ * SEC_CSR31: Shared key 3, word 7
  */
 #define SEC_CSR24			0x04b0
 #define SEC_CSR25			0x04b2

drivers/net/wireless/rt2x00/rt2x00.h

@@ -649,7 +649,7 @@ struct rt2x00_dev {
 #define RFKILL_STATE_ALLOCATED		1
 #define RFKILL_STATE_REGISTERED		2
 	struct rfkill *rfkill;
-	struct input_polled_dev *poll_dev;
+	struct delayed_work rfkill_work;
 #endif /* CONFIG_RT2X00_LIB_RFKILL */
 
 	/*
@@ -787,8 +787,10 @@ struct rt2x00_dev {
 
 	/*
 	 * Scheduled work.
+	 * NOTE: intf_work will use ieee80211_iterate_active_interfaces()
+	 * which means it cannot be placed on the hw->workqueue
+	 * due to RTNL locking requirements.
 	 */
-	struct workqueue_struct *workqueue;
 	struct work_struct intf_work;
 	struct work_struct filter_work;
 

drivers/net/wireless/rt2x00/rt2x00dev.c

@@ -74,7 +74,7 @@ static void rt2x00lib_start_link_tuner(struct rt2x00_dev *rt2x00dev)
 
 	rt2x00lib_reset_link_tuner(rt2x00dev);
 
-	queue_delayed_work(rt2x00dev->workqueue,
+	queue_delayed_work(rt2x00dev->hw->workqueue,
 			   &rt2x00dev->link.work, LINK_TUNE_INTERVAL);
 }
 
@@ -392,7 +392,7 @@ static void rt2x00lib_link_tuner(struct work_struct *work)
 	 * Increase tuner counter, and reschedule the next link tuner run.
 	 */
 	rt2x00dev->link.count++;
-	queue_delayed_work(rt2x00dev->workqueue,
+	queue_delayed_work(rt2x00dev->hw->workqueue,
 			   &rt2x00dev->link.work, LINK_TUNE_INTERVAL);
 }
 
@@ -496,7 +496,7 @@ void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev)
 						   rt2x00lib_beacondone_iter,
 						   rt2x00dev);
 
-	queue_work(rt2x00dev->workqueue, &rt2x00dev->intf_work);
+	schedule_work(&rt2x00dev->intf_work);
 }
 EXPORT_SYMBOL_GPL(rt2x00lib_beacondone);
 
@@ -664,6 +664,7 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
 
 	rt2x00dev->link.qual.rx_success++;
 
+	rx_status->mactime = rxdesc.timestamp;
 	rx_status->rate_idx = idx;
 	rx_status->qual =
 	    rt2x00lib_calculate_link_signal(rt2x00dev, rxdesc.rssi);
@@ -1064,10 +1065,6 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Initialize configuration work.
 	 */
-	rt2x00dev->workqueue = create_singlethread_workqueue("rt2x00lib");
-	if (!rt2x00dev->workqueue)
-		goto exit;
-
 	INIT_WORK(&rt2x00dev->intf_work, rt2x00lib_intf_scheduled);
 	INIT_WORK(&rt2x00dev->filter_work, rt2x00lib_packetfilter_scheduled);
 	INIT_DELAYED_WORK(&rt2x00dev->link.work, rt2x00lib_link_tuner);
@@ -1127,13 +1124,6 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
 	rt2x00rfkill_free(rt2x00dev);
 	rt2x00leds_unregister(rt2x00dev);
 
-	/*
-	 * Stop all queued work. Note that most tasks will already be halted
-	 * during rt2x00lib_disable_radio() and rt2x00lib_uninitialize().
-	 */
-	flush_workqueue(rt2x00dev->workqueue);
-	destroy_workqueue(rt2x00dev->workqueue);
-
 	/*
 	 * Free ieee80211_hw memory.
 	 */
@@ -1179,7 +1169,6 @@ int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state)
 	 * Suspend/disable extra components.
 	 */
 	rt2x00leds_suspend(rt2x00dev);
-	rt2x00rfkill_suspend(rt2x00dev);
 	rt2x00debug_deregister(rt2x00dev);
 
 exit:
@@ -1235,7 +1224,6 @@ int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
 	 * Restore/enable extra components.
 	 */
 	rt2x00debug_register(rt2x00dev);
-	rt2x00rfkill_resume(rt2x00dev);
 	rt2x00leds_resume(rt2x00dev);
 
 	/*

drivers/net/wireless/rt2x00/rt2x00lib.h

@@ -33,7 +33,7 @@
  * Both the link tuner as the rfkill will be called once per second.
  */
 #define LINK_TUNE_INTERVAL	( round_jiffies_relative(HZ) )
-#define RFKILL_POLL_INTERVAL	( 1000 )
+#define RFKILL_POLL_INTERVAL	( round_jiffies_relative(HZ) )
 
 /*
  * rt2x00_rate: Per rate device information
@@ -204,8 +204,6 @@ void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev);
 void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev);
 void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev);
 void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev);
-void rt2x00rfkill_suspend(struct rt2x00_dev *rt2x00dev);
-void rt2x00rfkill_resume(struct rt2x00_dev *rt2x00dev);
 #else
 static inline void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev)
 {
@@ -222,14 +220,6 @@ static inline void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev)
 static inline void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev)
 {
 }
-
-static inline void rt2x00rfkill_suspend(struct rt2x00_dev *rt2x00dev)
-{
-}
-
-static inline void rt2x00rfkill_resume(struct rt2x00_dev *rt2x00dev)
-{
-}
 #endif /* CONFIG_RT2X00_LIB_RFKILL */
 
 /*

drivers/net/wireless/rt2x00/rt2x00mac.c

@@ -431,7 +431,7 @@ void rt2x00mac_configure_filter(struct ieee80211_hw *hw,
 	if (!test_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags))
 		rt2x00dev->ops->lib->config_filter(rt2x00dev, *total_flags);
 	else
-		queue_work(rt2x00dev->workqueue, &rt2x00dev->filter_work);
+		queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->filter_work);
 }
 EXPORT_SYMBOL_GPL(rt2x00mac_configure_filter);
 
@@ -512,7 +512,7 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
 	memcpy(&intf->conf, bss_conf, sizeof(*bss_conf));
 	if (delayed) {
 		intf->delayed_flags |= delayed;
-		queue_work(rt2x00dev->workqueue, &rt2x00dev->intf_work);
+		schedule_work(&rt2x00dev->intf_work);
 	}
 	spin_unlock(&intf->lock);
 }

drivers/net/wireless/rt2x00/rt2x00queue.c

@@ -45,10 +45,11 @@ struct sk_buff *rt2x00queue_alloc_rxskb(struct rt2x00_dev *rt2x00dev,
 	frame_size = entry->queue->data_size + entry->queue->desc_size;
 
 	/*
-	 * Reserve a few bytes extra headroom to allow drivers some moving
-	 * space (e.g. for alignment), while keeping the skb aligned.
+	 * The payload should be aligned to a 4-byte boundary,
+	 * this means we need at least 3 bytes for moving the frame
+	 * into the correct offset.
 	 */
-	reserved_size = 8;
+	reserved_size = 4;
 
 	/*
 	 * Allocate skbuffer.

drivers/net/wireless/rt2x00/rt2x00queue.h

@@ -146,6 +146,7 @@ enum rxdone_entry_desc_flags {
  *
  * Summary of information that has been read from the RX frame descriptor.
  *
+ * @timestamp: RX Timestamp
  * @signal: Signal of the received frame.
  * @rssi: RSSI of the received frame.
  * @size: Data size of the received frame.
@@ -154,6 +155,7 @@ enum rxdone_entry_desc_flags {
 
  */
 struct rxdone_entry_desc {
+	u64 timestamp;
 	int signal;
 	int rssi;
 	int size;

drivers/net/wireless/rt2x00/rt2x00rfkill.c

@@ -23,7 +23,6 @@
 	Abstract: rt2x00 rfkill routines.
  */
 
-#include <linux/input-polldev.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/rfkill.h>
@@ -61,15 +60,35 @@ static int rt2x00rfkill_toggle_radio(void *data, enum rfkill_state state)
 	return retval;
 }
 
-static void rt2x00rfkill_poll(struct input_polled_dev *poll_dev)
+static int rt2x00rfkill_get_state(void *data, enum rfkill_state *state)
 {
-	struct rt2x00_dev *rt2x00dev = poll_dev->private;
-	int state = rt2x00dev->ops->lib->rfkill_poll(rt2x00dev);
+	struct rt2x00_dev *rt2x00dev = data;
 
-	if (rt2x00dev->rfkill->state != state) {
-		input_report_key(poll_dev->input, KEY_WLAN, 1);
-		input_report_key(poll_dev->input, KEY_WLAN, 0);
-	}
+	*state = rt2x00dev->rfkill->state;
+
+	return 0;
+}
+
+static void rt2x00rfkill_poll(struct work_struct *work)
+{
+	struct rt2x00_dev *rt2x00dev =
+	    container_of(work, struct rt2x00_dev, rfkill_work.work);
+	int state;
+
+	if (!test_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state))
+		return;
+
+	/*
+	 * rfkill_poll reports 1 when the key has been pressed and the
+	 * radio should be blocked.
+	 */
+	state = !rt2x00dev->ops->lib->rfkill_poll(rt2x00dev) ?
+	    RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED;
+
+	rfkill_force_state(rt2x00dev->rfkill, state);
+
+	queue_delayed_work(rt2x00dev->hw->workqueue,
+			   &rt2x00dev->rfkill_work, RFKILL_POLL_INTERVAL);
 }
 
 void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev)
@@ -83,12 +102,6 @@ void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev)
 		return;
 	}
 
-	if (input_register_polled_device(rt2x00dev->poll_dev)) {
-		ERROR(rt2x00dev, "Failed to register polled device.\n");
-		rfkill_unregister(rt2x00dev->rfkill);
-		return;
-	}
-
 	__set_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state);
 
 	/*
@@ -96,7 +109,7 @@ void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev)
 	 * and correctly sends the signal to the rfkill layer about this
 	 * state.
 	 */
-	rt2x00rfkill_poll(rt2x00dev->poll_dev);
+	rt2x00rfkill_poll(&rt2x00dev->rfkill_work.work);
 }
 
 void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev)
@@ -105,38 +118,13 @@ void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev)
 	    !test_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state))
 		return;
 
-	input_unregister_polled_device(rt2x00dev->poll_dev);
+	cancel_delayed_work_sync(&rt2x00dev->rfkill_work);
+
 	rfkill_unregister(rt2x00dev->rfkill);
 
 	__clear_bit(RFKILL_STATE_REGISTERED, &rt2x00dev->rfkill_state);
 }
 
-static struct input_polled_dev *
-rt2x00rfkill_allocate_polldev(struct rt2x00_dev *rt2x00dev)
-{
-	struct input_polled_dev *poll_dev;
-
-	poll_dev = input_allocate_polled_device();
-	if (!poll_dev)
-		return NULL;
-
-	poll_dev->private = rt2x00dev;
-	poll_dev->poll = rt2x00rfkill_poll;
-	poll_dev->poll_interval = RFKILL_POLL_INTERVAL;
-
-	poll_dev->input->name = rt2x00dev->ops->name;
-	poll_dev->input->phys = wiphy_name(rt2x00dev->hw->wiphy);
-	poll_dev->input->id.bustype = BUS_HOST;
-	poll_dev->input->id.vendor = 0x1814;
-	poll_dev->input->id.product = rt2x00dev->chip.rt;
-	poll_dev->input->id.version = rt2x00dev->chip.rev;
-	poll_dev->input->dev.parent = wiphy_dev(rt2x00dev->hw->wiphy);
-	poll_dev->input->evbit[0] = BIT(EV_KEY);
-	set_bit(KEY_WLAN, poll_dev->input->keybit);
-
-	return poll_dev;
-}
-
 void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev)
 {
 	if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
@@ -153,14 +141,9 @@ void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev)
 	rt2x00dev->rfkill->data = rt2x00dev;
 	rt2x00dev->rfkill->state = -1;
 	rt2x00dev->rfkill->toggle_radio = rt2x00rfkill_toggle_radio;
+	rt2x00dev->rfkill->get_state = rt2x00rfkill_get_state;
 
-	rt2x00dev->poll_dev = rt2x00rfkill_allocate_polldev(rt2x00dev);
-	if (!rt2x00dev->poll_dev) {
-		ERROR(rt2x00dev, "Failed to allocate polled device.\n");
-		rfkill_free(rt2x00dev->rfkill);
-		rt2x00dev->rfkill = NULL;
-		return;
-	}
+	INIT_DELAYED_WORK(&rt2x00dev->rfkill_work, rt2x00rfkill_poll);
 
 	return;
 }
@@ -171,32 +154,8 @@ void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev)
 	    !test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state))
 		return;
 
-	input_free_polled_device(rt2x00dev->poll_dev);
-	rt2x00dev->poll_dev = NULL;
+	cancel_delayed_work_sync(&rt2x00dev->rfkill_work);
 
 	rfkill_free(rt2x00dev->rfkill);
 	rt2x00dev->rfkill = NULL;
 }
-
-void rt2x00rfkill_suspend(struct rt2x00_dev *rt2x00dev)
-{
-	if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags) ||
-	    !test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state))
-		return;
-
-	input_free_polled_device(rt2x00dev->poll_dev);
-	rt2x00dev->poll_dev = NULL;
-}
-
-void rt2x00rfkill_resume(struct rt2x00_dev *rt2x00dev)
-{
-	if (!test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags) ||
-	    !test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state))
-		return;
-
-	rt2x00dev->poll_dev = rt2x00rfkill_allocate_polldev(rt2x00dev);
-	if (!rt2x00dev->poll_dev) {
-		ERROR(rt2x00dev, "Failed to allocate polled device.\n");
-		return;
-	}
-}

drivers/net/wireless/rtl8187.h

@@ -44,17 +44,48 @@ struct rtl8187_rx_hdr {
 	__le64 mac_time;
 } __attribute__((packed));
 
-struct rtl8187_tx_hdr {
+struct rtl8187b_rx_hdr {
 	__le32 flags;
+	__le64 mac_time;
+	u8 noise;
+	u8 signal;
+	u8 agc;
+	u8 reserved;
+	__le32 unused;
+} __attribute__((packed));
+
+/* {rtl8187,rtl8187b}_tx_info is in skb */
+
+/* Tx flags are common between rtl8187 and rtl8187b */
 #define RTL8187_TX_FLAG_NO_ENCRYPT	(1 << 15)
 #define RTL8187_TX_FLAG_MORE_FRAG	(1 << 17)
 #define RTL8187_TX_FLAG_CTS		(1 << 18)
 #define RTL8187_TX_FLAG_RTS		(1 << 23)
+
+struct rtl8187_tx_hdr {
+	__le32 flags;
 	__le16 rts_duration;
 	__le16 len;
 	__le32 retry;
 } __attribute__((packed));
 
+struct rtl8187b_tx_hdr {
+	__le32 flags;
+	__le16 rts_duration;
+	__le16 len;
+	__le32 unused_1;
+	__le16 unused_2;
+	__le16 tx_duration;
+	__le32 unused_3;
+	__le32 retry;
+	__le32 unused_4[2];
+} __attribute__((packed));
+
+enum {
+	DEVICE_RTL8187,
+	DEVICE_RTL8187B
+};
+
 struct rtl8187_priv {
 	/* common between rtl818x drivers */
 	struct rtl818x_csr *map;
@@ -70,70 +101,120 @@ struct rtl8187_priv {
 	u32 rx_conf;
 	u16 txpwr_base;
 	u8 asic_rev;
+	u8 is_rtl8187b;
+	enum {
+		RTL8187BvB,
+		RTL8187BvD,
+		RTL8187BvE
+	} hw_rev;
 	struct sk_buff_head rx_queue;
+	u8 signal;
+	u8 quality;
+	u8 noise;
 };
 
 void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
 
-static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
+static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
+				     u8 *addr, u8 idx)
 {
 	u8 val;
 
 	usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 			RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
-			(unsigned long)addr, 0, &val, sizeof(val), HZ / 2);
+			(unsigned long)addr, idx & 0x03, &val,
+			sizeof(val), HZ / 2);
 
 	return val;
 }
 
-static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
+static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
+{
+	return rtl818x_ioread8_idx(priv, addr, 0);
+}
+
+static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
+				       __le16 *addr, u8 idx)
 {
 	__le16 val;
 
 	usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 			RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
-			(unsigned long)addr, 0, &val, sizeof(val), HZ / 2);
+			(unsigned long)addr, idx & 0x03, &val,
+			sizeof(val), HZ / 2);
 
 	return le16_to_cpu(val);
 }
 
-static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
+static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
+{
+	return rtl818x_ioread16_idx(priv, addr, 0);
+}
+
+static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
+				       __le32 *addr, u8 idx)
 {
 	__le32 val;
 
 	usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 			RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
-			(unsigned long)addr, 0, &val, sizeof(val), HZ / 2);
+			(unsigned long)addr, idx & 0x03, &val,
+			sizeof(val), HZ / 2);
 
 	return le32_to_cpu(val);
 }
 
-static inline void rtl818x_iowrite8(struct rtl8187_priv *priv,
-				    u8 *addr, u8 val)
+static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
+{
+	return rtl818x_ioread32_idx(priv, addr, 0);
+}
+
+static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
+					u8 *addr, u8 val, u8 idx)
 {
 	usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 			RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
-			(unsigned long)addr, 0, &val, sizeof(val), HZ / 2);
+			(unsigned long)addr, idx & 0x03, &val,
+			sizeof(val), HZ / 2);
+}
+
+static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
+{
+	rtl818x_iowrite8_idx(priv, addr, val, 0);
 }
 
-static inline void rtl818x_iowrite16(struct rtl8187_priv *priv,
-				     __le16 *addr, u16 val)
+static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
+					 __le16 *addr, u16 val, u8 idx)
 {
 	__le16 buf = cpu_to_le16(val);
 
 	usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 			RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
-			(unsigned long)addr, 0, &buf, sizeof(buf), HZ / 2);
+			(unsigned long)addr, idx & 0x03, &buf, sizeof(buf),
+			HZ / 2);
 }
 
-static inline void rtl818x_iowrite32(struct rtl8187_priv *priv,
-				     __le32 *addr, u32 val)
+static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
+				     u16 val)
+{
+	rtl818x_iowrite16_idx(priv, addr, val, 0);
+}
+
+static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
+					 __le32 *addr, u32 val, u8 idx)
 {
 	__le32 buf = cpu_to_le32(val);
 
 	usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 			RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
-			(unsigned long)addr, 0, &buf, sizeof(buf), HZ / 2);
+			(unsigned long)addr, idx & 0x03, &buf, sizeof(buf),
+			HZ / 2);
+}
+
+static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
+				     u32 val)
+{
+	rtl818x_iowrite32_idx(priv, addr, val, 0);
 }
 
 #endif /* RTL8187_H */

drivers/net/wireless/rtl8187_rtl8225.c

@@ -305,9 +305,11 @@ static void rtl8225_rf_set_tx_power(struct ieee80211_hw *dev, int channel)
 	/* anaparam2 on */
 	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
 	reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
-	rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg | RTL818X_CONFIG3_ANAPARAM_WRITE);
+	rtl818x_iowrite8(priv, &priv->map->CONFIG3,
+			reg | RTL818X_CONFIG3_ANAPARAM_WRITE);
 	rtl818x_iowrite32(priv, &priv->map->ANAPARAM2, RTL8225_ANAPARAM2_ON);
-	rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE);
+	rtl818x_iowrite8(priv, &priv->map->CONFIG3,
+			reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE);
 	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
 
 	rtl8225_write_phy_ofdm(dev, 2, 0x42);
@@ -471,12 +473,42 @@ static void rtl8225_rf_init(struct ieee80211_hw *dev)
 	rtl8225_write_phy_cck(dev, 0x41, rtl8225_threshold[2]);
 }
 
+static const u8 rtl8225z2_agc[] = {
+	0x5e, 0x5e, 0x5e, 0x5e, 0x5d, 0x5b, 0x59, 0x57, 0x55, 0x53, 0x51, 0x4f,
+	0x4d, 0x4b, 0x49, 0x47, 0x45, 0x43, 0x41, 0x3f, 0x3d, 0x3b, 0x39, 0x37,
+	0x35, 0x33, 0x31, 0x2f, 0x2d, 0x2b, 0x29, 0x27, 0x25, 0x23, 0x21, 0x1f,
+	0x1d, 0x1b, 0x19, 0x17, 0x15, 0x13, 0x11, 0x0f, 0x0d, 0x0b, 0x09, 0x07,
+	0x05, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+	0x01, 0x01, 0x01, 0x01, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19,
+	0x19, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x26, 0x27, 0x27, 0x28,
+	0x28, 0x29, 0x2a, 0x2a, 0x2a, 0x2b, 0x2b, 0x2b, 0x2c, 0x2c, 0x2c, 0x2d,
+	0x2d, 0x2d, 0x2d, 0x2e, 0x2e, 0x2e, 0x2e, 0x2f, 0x2f, 0x2f, 0x30, 0x30,
+	0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31,
+	0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31
+};
+static const u8 rtl8225z2_ofdm[] = {
+	0x10, 0x0d, 0x01, 0x00, 0x14, 0xfb, 0xfb, 0x60,
+	0x00, 0x60, 0x00, 0x00, 0x00, 0x5c, 0x00, 0x00,
+	0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0xa8, 0x26,
+	0x32, 0x33, 0x07, 0xa5, 0x6f, 0x55, 0xc8, 0xb3,
+	0x0a, 0xe1, 0x2C, 0x8a, 0x86, 0x83, 0x34, 0x0f,
+	0x4f, 0x24, 0x6f, 0xc2, 0x6b, 0x40, 0x80, 0x00,
+	0xc0, 0xc1, 0x58, 0xf1, 0x00, 0xe4, 0x90, 0x3e,
+	0x6d, 0x3c, 0xfb, 0x07
+};
+
 static const u8 rtl8225z2_tx_power_cck_ch14[] = {
-	0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00
+	0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00,
+	0x30, 0x2f, 0x29, 0x15, 0x00, 0x00, 0x00, 0x00,
+	0x30, 0x2f, 0x29, 0x15, 0x00, 0x00, 0x00, 0x00,
+	0x30, 0x2f, 0x29, 0x15, 0x00, 0x00, 0x00, 0x00
 };
 
 static const u8 rtl8225z2_tx_power_cck[] = {
-	0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04
+	0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04,
+	0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03,
+	0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03,
+	0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03
 };
 
 static const u8 rtl8225z2_tx_power_ofdm[] = {
@@ -526,9 +558,11 @@ static void rtl8225z2_rf_set_tx_power(struct ieee80211_hw *dev, int channel)
 	/* anaparam2 on */
 	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
 	reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
-	rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg | RTL818X_CONFIG3_ANAPARAM_WRITE);
+	rtl818x_iowrite8(priv, &priv->map->CONFIG3,
+			reg | RTL818X_CONFIG3_ANAPARAM_WRITE);
 	rtl818x_iowrite32(priv, &priv->map->ANAPARAM2, RTL8225_ANAPARAM2_ON);
-	rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE);
+	rtl818x_iowrite8(priv, &priv->map->CONFIG3,
+			reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE);
 	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
 
 	rtl8225_write_phy_ofdm(dev, 2, 0x42);
@@ -542,6 +576,85 @@ static void rtl8225z2_rf_set_tx_power(struct ieee80211_hw *dev, int channel)
 	msleep(1);
 }
 
+static void rtl8225z2_b_rf_set_tx_power(struct ieee80211_hw *dev, int channel)
+{
+	struct rtl8187_priv *priv = dev->priv;
+	u8 cck_power, ofdm_power;
+	const u8 *tmp;
+	int i;
+
+	cck_power = priv->channels[channel - 1].hw_value & 0xF;
+	ofdm_power = priv->channels[channel - 1].hw_value >> 4;
+
+	if (cck_power > 15)
+		cck_power = (priv->hw_rev == RTL8187BvB) ? 15 : 22;
+	else
+		cck_power += (priv->hw_rev == RTL8187BvB) ? 0 : 7;
+	cck_power += priv->txpwr_base & 0xF;
+	cck_power = min(cck_power, (u8)35);
+
+	if (ofdm_power > 15)
+		ofdm_power = (priv->hw_rev == RTL8187BvB) ? 17 : 25;
+	else
+		ofdm_power += (priv->hw_rev == RTL8187BvB) ? 2 : 10;
+	ofdm_power += (priv->txpwr_base >> 4) & 0xF;
+	ofdm_power = min(ofdm_power, (u8)35);
+
+	if (channel == 14)
+		tmp = rtl8225z2_tx_power_cck_ch14;
+	else
+		tmp = rtl8225z2_tx_power_cck;
+
+	if (priv->hw_rev == RTL8187BvB) {
+		if (cck_power <= 6)
+			; /* do nothing */
+		else if (cck_power <= 11)
+			tmp += 8;
+		else
+			tmp += 16;
+	} else {
+		if (cck_power <= 5)
+			; /* do nothing */
+		else if (cck_power <= 11)
+			tmp += 8;
+		else if (cck_power <= 17)
+			tmp += 16;
+		else
+			tmp += 24;
+	}
+
+	for (i = 0; i < 8; i++)
+		rtl8225_write_phy_cck(dev, 0x44 + i, *tmp++);
+
+	rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK,
+			 rtl8225z2_tx_gain_cck_ofdm[cck_power]);
+	msleep(1);
+
+	rtl818x_iowrite8(priv, &priv->map->TX_GAIN_OFDM,
+			 rtl8225z2_tx_gain_cck_ofdm[ofdm_power] << 1);
+	if (priv->hw_rev == RTL8187BvB) {
+		if (ofdm_power <= 11) {
+			rtl8225_write_phy_ofdm(dev, 0x87, 0x60);
+			rtl8225_write_phy_ofdm(dev, 0x89, 0x60);
+		} else {
+			rtl8225_write_phy_ofdm(dev, 0x87, 0x5c);
+			rtl8225_write_phy_ofdm(dev, 0x89, 0x5c);
+		}
+	} else {
+		if (ofdm_power <= 11) {
+			rtl8225_write_phy_ofdm(dev, 0x87, 0x5c);
+			rtl8225_write_phy_ofdm(dev, 0x89, 0x5c);
+		} else if (ofdm_power <= 17) {
+			rtl8225_write_phy_ofdm(dev, 0x87, 0x54);
+			rtl8225_write_phy_ofdm(dev, 0x89, 0x54);
+		} else {
+			rtl8225_write_phy_ofdm(dev, 0x87, 0x50);
+			rtl8225_write_phy_ofdm(dev, 0x89, 0x50);
+		}
+	}
+	msleep(1);
+}
+
 static const u16 rtl8225z2_rxgain[] = {
 	0x0400, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0408, 0x0409,
 	0x040a, 0x040b, 0x0502, 0x0503, 0x0504, 0x0505, 0x0540, 0x0541,
@@ -715,6 +828,81 @@ static void rtl8225z2_rf_init(struct ieee80211_hw *dev)
 	rtl818x_iowrite32(priv, (__le32 *)0xFF94, 0x3dc00002);
 }
 
+static void rtl8225z2_b_rf_init(struct ieee80211_hw *dev)
+{
+	struct rtl8187_priv *priv = dev->priv;
+	int i;
+
+	rtl8225_write(dev, 0x0, 0x0B7); msleep(1);
+	rtl8225_write(dev, 0x1, 0xEE0); msleep(1);
+	rtl8225_write(dev, 0x2, 0x44D); msleep(1);
+	rtl8225_write(dev, 0x3, 0x441); msleep(1);
+	rtl8225_write(dev, 0x4, 0x8C3); msleep(1);
+	rtl8225_write(dev, 0x5, 0xC72); msleep(1);
+	rtl8225_write(dev, 0x6, 0x0E6); msleep(1);
+	rtl8225_write(dev, 0x7, 0x82A); msleep(1);
+	rtl8225_write(dev, 0x8, 0x03F); msleep(1);
+	rtl8225_write(dev, 0x9, 0x335); msleep(1);
+	rtl8225_write(dev, 0xa, 0x9D4); msleep(1);
+	rtl8225_write(dev, 0xb, 0x7BB); msleep(1);
+	rtl8225_write(dev, 0xc, 0x850); msleep(1);
+	rtl8225_write(dev, 0xd, 0xCDF); msleep(1);
+	rtl8225_write(dev, 0xe, 0x02B); msleep(1);
+	rtl8225_write(dev, 0xf, 0x114); msleep(1);
+
+	rtl8225_write(dev, 0x0, 0x1B7); msleep(1);
+
+	for (i = 0; i < ARRAY_SIZE(rtl8225z2_rxgain); i++) {
+		rtl8225_write(dev, 0x1, i + 1); msleep(1);
+		rtl8225_write(dev, 0x2, rtl8225z2_rxgain[i]); msleep(1);
+	}
+
+	rtl8225_write(dev, 0x3, 0x080); msleep(1);
+	rtl8225_write(dev, 0x5, 0x004); msleep(1);
+	rtl8225_write(dev, 0x0, 0x0B7); msleep(1);
+	msleep(3000);
+
+	rtl8225_write(dev, 0x2, 0xC4D); msleep(1);
+	msleep(2000);
+
+	rtl8225_write(dev, 0x2, 0x44D); msleep(1);
+	rtl8225_write(dev, 0x0, 0x2BF); msleep(1);
+
+	rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK, 0x03);
+	rtl818x_iowrite8(priv, &priv->map->TX_GAIN_OFDM, 0x07);
+	rtl818x_iowrite8(priv, &priv->map->TX_ANTENNA, 0x03);
+
+	rtl8225_write_phy_ofdm(dev, 0x80, 0x12);
+	for (i = 0; i < ARRAY_SIZE(rtl8225z2_agc); i++) {
+		rtl8225_write_phy_ofdm(dev, 0xF, rtl8225z2_agc[i]);
+		rtl8225_write_phy_ofdm(dev, 0xE, 0x80 + i);
+		rtl8225_write_phy_ofdm(dev, 0xE, 0);
+	}
+	rtl8225_write_phy_ofdm(dev, 0x80, 0x10);
+
+	for (i = 0; i < ARRAY_SIZE(rtl8225z2_ofdm); i++)
+		rtl8225_write_phy_ofdm(dev, i, rtl8225z2_ofdm[i]);
+
+	rtl818x_iowrite8(priv, &priv->map->SIFS, 0x22);
+	rtl818x_iowrite8(priv, &priv->map->SLOT, 9);
+	rtl818x_iowrite8(priv, (u8 *)0xFFF0, 28);
+	rtl818x_iowrite8(priv, (u8 *)0xFFF4, 28);
+	rtl818x_iowrite8(priv, (u8 *)0xFFF8, 28);
+	rtl818x_iowrite8(priv, (u8 *)0xFFFC, 28);
+	rtl818x_iowrite8(priv, (u8 *)0xFF2D, 0x5B);
+	rtl818x_iowrite8(priv, (u8 *)0xFF79, 0x5B);
+	rtl818x_iowrite32(priv, (__le32 *)0xFFF0, (7 << 12) | (3 << 8) | 28);
+	rtl818x_iowrite32(priv, (__le32 *)0xFFF4, (7 << 12) | (3 << 8) | 28);
+	rtl818x_iowrite32(priv, (__le32 *)0xFFF8, (7 << 12) | (3 << 8) | 28);
+	rtl818x_iowrite32(priv, (__le32 *)0xFFFC, (7 << 12) | (3 << 8) | 28);
+	rtl818x_iowrite8(priv, &priv->map->ACM_CONTROL, 0);
+
+	rtl8225_write_phy_ofdm(dev, 0x97, 0x46); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0xa4, 0xb6); msleep(1);
+	rtl8225_write_phy_ofdm(dev, 0x85, 0xfc); msleep(1);
+	rtl8225_write_phy_cck(dev, 0xc1, 0x88); msleep(1);
+}
+
 static void rtl8225_rf_stop(struct ieee80211_hw *dev)
 {
 	u8 reg;
@@ -739,8 +927,10 @@ static void rtl8225_rf_set_channel(struct ieee80211_hw *dev,
 
 	if (priv->rf->init == rtl8225_rf_init)
 		rtl8225_rf_set_tx_power(dev, chan);
-	else
+	else if (priv->rf->init == rtl8225z2_rf_init)
 		rtl8225z2_rf_set_tx_power(dev, chan);
+	else
+		rtl8225z2_b_rf_set_tx_power(dev, chan);
 
 	rtl8225_write(dev, 0x7, rtl8225_chan[chan - 1]);
 	msleep(10);
@@ -760,19 +950,30 @@ static const struct rtl818x_rf_ops rtl8225z2_ops = {
 	.set_chan	= rtl8225_rf_set_channel
 };
 
+static const struct rtl818x_rf_ops rtl8225z2_b_ops = {
+	.name		= "rtl8225z2",
+	.init		= rtl8225z2_b_rf_init,
+	.stop		= rtl8225_rf_stop,
+	.set_chan	= rtl8225_rf_set_channel
+};
+
 const struct rtl818x_rf_ops * rtl8187_detect_rf(struct ieee80211_hw *dev)
 {
 	u16 reg8, reg9;
+	struct rtl8187_priv *priv = dev->priv;
 
-	rtl8225_write(dev, 0, 0x1B7);
+	if (!priv->is_rtl8187b) {
+		rtl8225_write(dev, 0, 0x1B7);
 
-	reg8 = rtl8225_read(dev, 8);
-	reg9 = rtl8225_read(dev, 9);
+		reg8 = rtl8225_read(dev, 8);
+		reg9 = rtl8225_read(dev, 9);
 
-	rtl8225_write(dev, 0, 0x0B7);
+		rtl8225_write(dev, 0, 0x0B7);
 
-	if (reg8 != 0x588 || reg9 != 0x700)
-		return &rtl8225_ops;
+		if (reg8 != 0x588 || reg9 != 0x700)
+			return &rtl8225_ops;
 
-	return &rtl8225z2_ops;
+		return &rtl8225z2_ops;
+	} else
+		return &rtl8225z2_b_ops;
 }

drivers/net/wireless/rtl818x.h

@@ -66,7 +66,10 @@ struct rtl818x_csr {
 #define RTL818X_TX_CONF_R8180_F		(3 << 25)
 #define RTL818X_TX_CONF_R8185_ABC	(4 << 25)
 #define RTL818X_TX_CONF_R8185_D		(5 << 25)
+#define RTL818X_TX_CONF_R8187vD		(5 << 25)
+#define RTL818X_TX_CONF_R8187vD_B	(6 << 25)
 #define RTL818X_TX_CONF_HWVER_MASK	(7 << 25)
+#define RTL818X_TX_CONF_DISREQQSIZE	(1 << 28)
 #define RTL818X_TX_CONF_PROBE_DTS	(1 << 29)
 #define RTL818X_TX_CONF_HW_SEQNUM	(1 << 30)
 #define RTL818X_TX_CONF_CW_MIN		(1 << 31)
@@ -106,8 +109,11 @@ struct rtl818x_csr {
 #define RTL818X_MSR_NO_LINK		(0 << 2)
 #define RTL818X_MSR_ADHOC		(1 << 2)
 #define RTL818X_MSR_INFRA		(2 << 2)
+#define RTL818X_MSR_MASTER		(3 << 2)
+#define RTL818X_MSR_ENEDCA		(4 << 2)
 	u8	CONFIG3;
 #define RTL818X_CONFIG3_ANAPARAM_WRITE	(1 << 6)
+#define RTL818X_CONFIG3_GNT_SELECT	(1 << 7)
 	u8	CONFIG4;
 #define RTL818X_CONFIG4_POWEROFF	(1 << 6)
 #define RTL818X_CONFIG4_VCOOFF		(1 << 7)
@@ -133,7 +139,9 @@ struct rtl818x_csr {
 	__le32	RF_TIMING;
 	u8	GP_ENABLE;
 	u8	GPIO;
-	u8	reserved_12[10];
+	u8	reserved_12[2];
+	__le32	HSSI_PARA;
+	u8	reserved_13[4];
 	u8	TX_AGC_CTL;
 #define RTL818X_TX_AGC_CTL_PERPACKET_GAIN_SHIFT		(1 << 0)
 #define RTL818X_TX_AGC_CTL_PERPACKET_ANTSEL_SHIFT	(1 << 1)
@@ -141,29 +149,39 @@ struct rtl818x_csr {
 	u8	TX_GAIN_CCK;
 	u8	TX_GAIN_OFDM;
 	u8	TX_ANTENNA;
-	u8	reserved_13[16];
+	u8	reserved_14[16];
 	u8	WPA_CONF;
-	u8	reserved_14[3];
+	u8	reserved_15[3];
 	u8	SIFS;
 	u8	DIFS;
 	u8	SLOT;
-	u8	reserved_15[5];
+	u8	reserved_16[5];
 	u8	CW_CONF;
 #define RTL818X_CW_CONF_PERPACKET_CW_SHIFT	(1 << 0)
 #define RTL818X_CW_CONF_PERPACKET_RETRY_SHIFT	(1 << 1)
 	u8	CW_VAL;
 	u8	RATE_FALLBACK;
-	u8	reserved_16[25];
+#define RTL818X_RATE_FALLBACK_ENABLE	(1 << 7)
+	u8	ACM_CONTROL;
+	u8	reserved_17[24];
 	u8	CONFIG5;
 	u8	TX_DMA_POLLING;
-	u8	reserved_17[2];
+	u8	reserved_18[2];
 	__le16	CWR;
 	u8	RETRY_CTR;
-	u8	reserved_18[5];
+	u8	reserved_19[3];
+	__le16	INT_MIG;
+/* RTL818X_R8187B_*: magic numbers from ioregisters */
+#define RTL818X_R8187B_B	0
+#define RTL818X_R8187B_D	1
+#define RTL818X_R8187B_E	2
 	__le32	RDSAR;
-	u8	reserved_19[12];
-	__le16	FEMR;
+	__le16	TID_AC_MAP;
 	u8	reserved_20[4];
+	u8	ANAPARAM3;
+	u8	reserved_21[5];
+	__le16	FEMR;
+	u8	reserved_22[4];
 	__le16	TALLY_CNT;
 	u8	TALLY_SEL;
 } __attribute__((packed));

drivers/net/wireless/zd1211rw/zd_mac.c

@@ -405,43 +405,66 @@ static void cs_set_control(struct zd_mac *mac, struct zd_ctrlset *cs,
 	/* FIXME: Management frame? */
 }
 
-void zd_mac_config_beacon(struct ieee80211_hw *hw, struct sk_buff *beacon)
+static int zd_mac_config_beacon(struct ieee80211_hw *hw, struct sk_buff *beacon)
 {
 	struct zd_mac *mac = zd_hw_mac(hw);
+	int r;
 	u32 tmp, j = 0;
 	/* 4 more bytes for tail CRC */
 	u32 full_len = beacon->len + 4;
-	zd_iowrite32(&mac->chip, CR_BCN_FIFO_SEMAPHORE, 0);
-	zd_ioread32(&mac->chip, CR_BCN_FIFO_SEMAPHORE, &tmp);
+
+	r = zd_iowrite32(&mac->chip, CR_BCN_FIFO_SEMAPHORE, 0);
+	if (r < 0)
+		return r;
+	r = zd_ioread32(&mac->chip, CR_BCN_FIFO_SEMAPHORE, &tmp);
+	if (r < 0)
+		return r;
+
 	while (tmp & 0x2) {
-		zd_ioread32(&mac->chip, CR_BCN_FIFO_SEMAPHORE, &tmp);
+		r = zd_ioread32(&mac->chip, CR_BCN_FIFO_SEMAPHORE, &tmp);
+		if (r < 0)
+			return r;
 		if ((++j % 100) == 0) {
 			printk(KERN_ERR "CR_BCN_FIFO_SEMAPHORE not ready\n");
 			if (j >= 500)  {
 				printk(KERN_ERR "Giving up beacon config.\n");
-				return;
+				return -ETIMEDOUT;
 			}
 		}
 		msleep(1);
 	}
 
-	zd_iowrite32(&mac->chip, CR_BCN_FIFO, full_len - 1);
-	if (zd_chip_is_zd1211b(&mac->chip))
-		zd_iowrite32(&mac->chip, CR_BCN_LENGTH, full_len - 1);
+	r = zd_iowrite32(&mac->chip, CR_BCN_FIFO, full_len - 1);
+	if (r < 0)
+		return r;
+	if (zd_chip_is_zd1211b(&mac->chip)) {
+		r = zd_iowrite32(&mac->chip, CR_BCN_LENGTH, full_len - 1);
+		if (r < 0)
+			return r;
+	}
 
-	for (j = 0 ; j < beacon->len; j++)
-		zd_iowrite32(&mac->chip, CR_BCN_FIFO,
+	for (j = 0 ; j < beacon->len; j++) {
+		r = zd_iowrite32(&mac->chip, CR_BCN_FIFO,
 				*((u8 *)(beacon->data + j)));
+		if (r < 0)
+			return r;
+	}
 
-	for (j = 0; j < 4; j++)
-		zd_iowrite32(&mac->chip, CR_BCN_FIFO, 0x0);
+	for (j = 0; j < 4; j++) {
+		r = zd_iowrite32(&mac->chip, CR_BCN_FIFO, 0x0);
+		if (r < 0)
+			return r;
+	}
+
+	r = zd_iowrite32(&mac->chip, CR_BCN_FIFO_SEMAPHORE, 1);
+	if (r < 0)
+		return r;
 
-	zd_iowrite32(&mac->chip, CR_BCN_FIFO_SEMAPHORE, 1);
 	/* 802.11b/g 2.4G CCK 1Mb
 	 * 802.11a, not yet implemented, uses different values (see GPL vendor
 	 * driver)
 	 */
-	zd_iowrite32(&mac->chip, CR_BCN_PLCP_CFG, 0x00000400 |
+	return zd_iowrite32(&mac->chip, CR_BCN_PLCP_CFG, 0x00000400 |
 			(full_len << 19));
 }
 
@@ -699,15 +722,20 @@ static int zd_op_config_interface(struct ieee80211_hw *hw,
 {
 	struct zd_mac *mac = zd_hw_mac(hw);
 	int associated;
+	int r;
 
 	if (mac->type == IEEE80211_IF_TYPE_MESH_POINT ||
 	    mac->type == IEEE80211_IF_TYPE_IBSS) {
 		associated = true;
 		if (conf->beacon) {
-			zd_mac_config_beacon(hw, conf->beacon);
-			kfree_skb(conf->beacon);
-			zd_set_beacon_interval(&mac->chip, BCN_MODE_IBSS |
+			r = zd_mac_config_beacon(hw, conf->beacon);
+			if (r < 0)
+				return r;
+			r = zd_set_beacon_interval(&mac->chip, BCN_MODE_IBSS |
 					hw->conf.beacon_int);
+			if (r < 0)
+				return r;
+			kfree_skb(conf->beacon);
 		}
 	} else
 		associated = is_valid_ether_addr(conf->bssid);

include/linux/ieee80211.h

@@ -99,6 +99,8 @@
 #define IEEE80211_MAX_SSID_LEN		32
 #define IEEE80211_MAX_MESH_ID_LEN	32
 #define IEEE80211_QOS_CTL_LEN		2
+#define IEEE80211_QOS_CTL_TID_MASK	0x000F
+#define IEEE80211_QOS_CTL_TAG1D_MASK	0x0007
 
 struct ieee80211_hdr {
 	__le16 frame_control;
@@ -658,6 +660,10 @@ struct ieee80211_bar {
 	__le16 start_seq_num;
 } __attribute__((packed));
 
+/* 802.11 BAR control masks */
+#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL     0x0000
+#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA  0x0004
+
 /**
  * struct ieee80211_ht_cap - HT capabilities
  *

include/net/mac80211.h

@@ -42,7 +42,7 @@
  * tasklet function.
  *
  * NOTE: If the driver opts to use the _irqsafe() functions, it may not also
- *	 use the non-irqsafe functions!
+ *	 use the non-IRQ-safe functions!
  */
 
 /**
@@ -85,7 +85,7 @@ enum ieee80211_notification_types {
  * struct ieee80211_ht_bss_info - describing BSS's HT characteristics
  *
  * This structure describes most essential parameters needed
- * to describe 802.11n HT characteristics in a BSS
+ * to describe 802.11n HT characteristics in a BSS.
  *
  * @primary_channel: channel number of primery channel
  * @bss_cap: 802.11n's general BSS capabilities (e.g. channel width)
@@ -201,9 +201,9 @@ struct ieee80211_bss_conf {
 };
 
 /**
- * enum mac80211_tx_flags - flags to transmission information/status
+ * enum mac80211_tx_control_flags - flags to describe transmission information/status
  *
- * These flags are used with the @flags member of &ieee80211_tx_info
+ * These flags are used with the @flags member of &ieee80211_tx_info.
  *
  * @IEEE80211_TX_CTL_REQ_TX_STATUS: request TX status callback for this frame.
  * @IEEE80211_TX_CTL_DO_NOT_ENCRYPT: send this frame without encryption;
@@ -212,11 +212,12 @@ struct ieee80211_bss_conf {
  * @IEEE80211_TX_CTL_USE_CTS_PROTECT: use CTS protection for the frame (e.g.,
  *	for combined 802.11g / 802.11b networks)
  * @IEEE80211_TX_CTL_NO_ACK: tell the low level not to wait for an ack
- * @IEEE80211_TX_CTL_RATE_CTRL_PROBE
+ * @IEEE80211_TX_CTL_RATE_CTRL_PROBE: TBD
  * @IEEE80211_TX_CTL_CLEAR_PS_FILT: clear powersave filter for destination
  *	station
- * @IEEE80211_TX_CTL_REQUEUE:
+ * @IEEE80211_TX_CTL_REQUEUE: TBD
  * @IEEE80211_TX_CTL_FIRST_FRAGMENT: this is a first fragment of the frame
+ * @IEEE80211_TX_CTL_SHORT_PREAMBLE: TBD
  * @IEEE80211_TX_CTL_LONG_RETRY_LIMIT: this frame should be send using the
  *	through set_retry_limit configured long retry value
  * @IEEE80211_TX_CTL_EAPOL_FRAME: internal to mac80211
@@ -230,11 +231,14 @@ struct ieee80211_bss_conf {
  * @IEEE80211_TX_CTL_40_MHZ_WIDTH: send this frame using 40 Mhz channel width
  * @IEEE80211_TX_CTL_DUP_DATA: duplicate data frame on both 20 Mhz channels
  * @IEEE80211_TX_CTL_SHORT_GI: send this frame using short guard interval
+ * @IEEE80211_TX_CTL_INJECTED: TBD
  * @IEEE80211_TX_STAT_TX_FILTERED: The frame was not transmitted
  *	because the destination STA was in powersave mode.
  * @IEEE80211_TX_STAT_ACK: Frame was acknowledged
  * @IEEE80211_TX_STAT_AMPDU: The frame was aggregated, so status
  * 	is for the whole aggregation.
+ * @IEEE80211_TX_STAT_AMPDU_NO_BACK: no block ack was returned,
+ * 	so consider using block ack request (BAR).
  */
 enum mac80211_tx_control_flags {
 	IEEE80211_TX_CTL_REQ_TX_STATUS		= BIT(0),
@@ -260,6 +264,7 @@ enum mac80211_tx_control_flags {
 	IEEE80211_TX_STAT_TX_FILTERED		= BIT(20),
 	IEEE80211_TX_STAT_ACK			= BIT(21),
 	IEEE80211_TX_STAT_AMPDU			= BIT(22),
+	IEEE80211_TX_STAT_AMPDU_NO_BACK		= BIT(23),
 };
 
 
@@ -277,6 +282,12 @@ enum mac80211_tx_control_flags {
  *  (3) TX status information - driver tells mac80211 what happened
  *
  * @flags: transmit info flags, defined above
+ * @band: TBD
+ * @tx_rate_idx: TBD
+ * @antenna_sel_tx: TBD
+ * @control: union for control data
+ * @status: union for status data
+ * @driver_data: array of driver_data pointers
  * @retry_count: number of retries
  * @excessive_retries: set to 1 if the frame was retried many times
  *	but not acknowledged
@@ -559,8 +570,8 @@ enum ieee80211_key_alg {
 
 /**
  * enum ieee80211_key_len - key length
- * @WEP40: WEP 5 byte long key
- * @WEP104: WEP 13 byte long key
+ * @LEN_WEP40: WEP 5-byte long key
+ * @LEN_WEP104: WEP 13-byte long key
  */
 enum ieee80211_key_len {
 	LEN_WEP40 = 5,
@@ -637,7 +648,7 @@ enum set_key_cmd {
  * enum sta_notify_cmd - sta notify command
  *
  * Used with the sta_notify() callback in &struct ieee80211_ops, this
- * indicates addition and removal of a station to station table
+ * indicates addition and removal of a station to station table.
  *
  * @STA_NOTIFY_ADD: a station was added to the station table
  * @STA_NOTIFY_REMOVE: a station being removed from the station table
@@ -1337,7 +1348,7 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw);
  *
  * This function frees everything that was allocated, including the
  * private data for the driver. You must call ieee80211_unregister_hw()
- * before calling this function
+ * before calling this function.
  *
  * @hw: the hardware to free
  */
@@ -1408,7 +1419,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw,
 			 struct sk_buff *skb);
 
 /**
- * ieee80211_tx_status_irqsafe - irq-safe transmit status callback
+ * ieee80211_tx_status_irqsafe - IRQ-safe transmit status callback
  *
  * Like ieee80211_tx_status() but can be called in IRQ context
  * (internally defers to a tasklet.)
@@ -1586,6 +1597,8 @@ unsigned int ieee80211_hdrlen(__le16 fc);
  * @keyconf: the parameter passed with the set key
  * @skb: the skb for which the key is needed
  * @rc4key: a buffer to which the key will be written
+ * @type: TBD
+ * @key: TBD
  */
 void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf,
 				struct sk_buff *skb,
@@ -1636,7 +1649,7 @@ void ieee80211_wake_queues(struct ieee80211_hw *hw);
 void ieee80211_scan_completed(struct ieee80211_hw *hw);
 
 /**
- * ieee80211_iterate_active_interfaces- iterate active interfaces
+ * ieee80211_iterate_active_interfaces - iterate active interfaces
  *
  * This function iterates over the interfaces associated with a given
  * hardware that are currently active and calls the callback for them.
@@ -1703,7 +1716,7 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid);
  *
  * This function must be called by low level driver once it has
  * finished with preparations for the BA session.
- * This version of the function is irq safe.
+ * This version of the function is IRQ-safe.
  */
 void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
 				      u16 tid);
@@ -1743,7 +1756,7 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid);
  *
  * This function must be called by low level driver once it has
  * finished with preparations for the BA session tear down.
- * This version of the function is irq safe.
+ * This version of the function is IRQ-safe.
  */
 void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
 				     u16 tid);
@@ -1751,7 +1764,7 @@ void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw, const u8 *ra,
 /**
  * ieee80211_notify_mac - low level driver notification
  * @hw: pointer as obtained from ieee80211_alloc_hw().
- * @notification_types: enum ieee80211_notification_types
+ * @notif_type: enum ieee80211_notification_types
  *
  * This function must be called by low level driver to inform mac80211 of
  * low level driver status change or force mac80211 to re-assoc for low

net/mac80211/Kconfig

@@ -207,7 +207,6 @@ config MAC80211_LOWTX_FRAME_DUMP
 
 config MAC80211_DEBUG_COUNTERS
 	bool "Extra statistics for TX/RX debugging"
-	depends on MAC80211_DEBUG
 	depends on MAC80211_DEBUG_MENU
 	depends on MAC80211_DEBUGFS
 	---help---
@@ -219,7 +218,7 @@ config MAC80211_DEBUG_COUNTERS
 
 config MAC80211_VERBOSE_SPECT_MGMT_DEBUG
 	bool "Verbose Spectrum Management (IEEE 802.11h)debugging"
-	depends on MAC80211_DEBUG
+	depends on MAC80211_DEBUG_MENU
 	---help---
 	  Say Y here to print out verbose Spectrum Management (IEEE 802.11h)
 	  debug messages.

net/mac80211/aes_ccm.c

@@ -16,31 +16,28 @@
 #include "key.h"
 #include "aes_ccm.h"
 
-
-static void ieee80211_aes_encrypt(struct crypto_cipher *tfm,
-				  const u8 pt[16], u8 ct[16])
-{
-	crypto_cipher_encrypt_one(tfm, ct, pt);
-}
-
-
-static inline void aes_ccm_prepare(struct crypto_cipher *tfm, u8 *b_0, u8 *aad,
-				   u8 *b, u8 *s_0, u8 *a)
+static void aes_ccm_prepare(struct crypto_cipher *tfm, u8 *scratch, u8 *a)
 {
 	int i;
+	u8 *b_0, *aad, *b, *s_0;
 
-	ieee80211_aes_encrypt(tfm, b_0, b);
+	b_0 = scratch + 3 * AES_BLOCK_LEN;
+	aad = scratch + 4 * AES_BLOCK_LEN;
+	b = scratch;
+	s_0 = scratch + AES_BLOCK_LEN;
+
+	crypto_cipher_encrypt_one(tfm, b, b_0);
 
 	/* Extra Authenticate-only data (always two AES blocks) */
 	for (i = 0; i < AES_BLOCK_LEN; i++)
 		aad[i] ^= b[i];
-	ieee80211_aes_encrypt(tfm, aad, b);
+	crypto_cipher_encrypt_one(tfm, b, aad);
 
 	aad += AES_BLOCK_LEN;
 
 	for (i = 0; i < AES_BLOCK_LEN; i++)
 		aad[i] ^= b[i];
-	ieee80211_aes_encrypt(tfm, aad, a);
+	crypto_cipher_encrypt_one(tfm, a, aad);
 
 	/* Mask out bits from auth-only-b_0 */
 	b_0[0] &= 0x07;
@@ -48,24 +45,26 @@ static inline void aes_ccm_prepare(struct crypto_cipher *tfm, u8 *b_0, u8 *aad,
 	/* S_0 is used to encrypt T (= MIC) */
 	b_0[14] = 0;
 	b_0[15] = 0;
-	ieee80211_aes_encrypt(tfm, b_0, s_0);
+	crypto_cipher_encrypt_one(tfm, s_0, b_0);
 }
 
 
 void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
-			       u8 *b_0, u8 *aad, u8 *data, size_t data_len,
+			       u8 *data, size_t data_len,
 			       u8 *cdata, u8 *mic)
 {
 	int i, j, last_len, num_blocks;
-	u8 *pos, *cpos, *b, *s_0, *e;
+	u8 *pos, *cpos, *b, *s_0, *e, *b_0, *aad;
 
 	b = scratch;
 	s_0 = scratch + AES_BLOCK_LEN;
 	e = scratch + 2 * AES_BLOCK_LEN;
+	b_0 = scratch + 3 * AES_BLOCK_LEN;
+	aad = scratch + 4 * AES_BLOCK_LEN;
 
 	num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN);
 	last_len = data_len % AES_BLOCK_LEN;
-	aes_ccm_prepare(tfm, b_0, aad, b, s_0, b);
+	aes_ccm_prepare(tfm, scratch, b);
 
 	/* Process payload blocks */
 	pos = data;
@@ -77,11 +76,11 @@ void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
 		/* Authentication followed by encryption */
 		for (i = 0; i < blen; i++)
 			b[i] ^= pos[i];
-		ieee80211_aes_encrypt(tfm, b, b);
+		crypto_cipher_encrypt_one(tfm, b, b);
 
 		b_0[14] = (j >> 8) & 0xff;
 		b_0[15] = j & 0xff;
-		ieee80211_aes_encrypt(tfm, b_0, e);
+		crypto_cipher_encrypt_one(tfm, e, b_0);
 		for (i = 0; i < blen; i++)
 			*cpos++ = *pos++ ^ e[i];
 	}
@@ -92,19 +91,20 @@ void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
 
 
 int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *scratch,
-			      u8 *b_0, u8 *aad, u8 *cdata, size_t data_len,
-			      u8 *mic, u8 *data)
+			      u8 *cdata, size_t data_len, u8 *mic, u8 *data)
 {
 	int i, j, last_len, num_blocks;
-	u8 *pos, *cpos, *b, *s_0, *a;
+	u8 *pos, *cpos, *b, *s_0, *a, *b_0, *aad;
 
 	b = scratch;
 	s_0 = scratch + AES_BLOCK_LEN;
 	a = scratch + 2 * AES_BLOCK_LEN;
+	b_0 = scratch + 3 * AES_BLOCK_LEN;
+	aad = scratch + 4 * AES_BLOCK_LEN;
 
 	num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN);
 	last_len = data_len % AES_BLOCK_LEN;
-	aes_ccm_prepare(tfm, b_0, aad, b, s_0, a);
+	aes_ccm_prepare(tfm, scratch, a);
 
 	/* Process payload blocks */
 	cpos = cdata;
@@ -116,13 +116,12 @@ int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *scratch,
 		/* Decryption followed by authentication */
 		b_0[14] = (j >> 8) & 0xff;
 		b_0[15] = j & 0xff;
-		ieee80211_aes_encrypt(tfm, b_0, b);
+		crypto_cipher_encrypt_one(tfm, b, b_0);
 		for (i = 0; i < blen; i++) {
 			*pos = *cpos++ ^ b[i];
 			a[i] ^= *pos++;
 		}
-
-		ieee80211_aes_encrypt(tfm, a, a);
+		crypto_cipher_encrypt_one(tfm, a, a);
 	}
 
 	for (i = 0; i < CCMP_MIC_LEN; i++) {

net/mac80211/aes_ccm.h

@@ -16,10 +16,10 @@
 
 struct crypto_cipher *ieee80211_aes_key_setup_encrypt(const u8 key[]);
 void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
-			       u8 *b_0, u8 *aad, u8 *data, size_t data_len,
+			       u8 *data, size_t data_len,
 			       u8 *cdata, u8 *mic);
 int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *scratch,
-			      u8 *b_0, u8 *aad, u8 *cdata, size_t data_len,
+			      u8 *cdata, size_t data_len,
 			      u8 *mic, u8 *data);
 void ieee80211_aes_key_free(struct crypto_cipher *tfm);
 

net/mac80211/ieee80211_i.h

@@ -893,7 +893,7 @@ int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason);
 int ieee80211_sta_disassociate(struct net_device *dev, u16 reason);
 void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
 				      u32 changed);
-void ieee80211_reset_erp_info(struct net_device *dev);
+u32 ieee80211_reset_erp_info(struct net_device *dev);
 int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie,
 				   struct ieee80211_ht_info *ht_info);
 int ieee80211_ht_addt_info_ie_to_ht_bss_info(
@@ -904,6 +904,7 @@ void ieee80211_send_addba_request(struct net_device *dev, const u8 *da,
 				  u16 agg_size, u16 timeout);
 void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid,
 				u16 initiator, u16 reason_code);
+void ieee80211_send_bar(struct net_device *dev, u8 *ra, u16 tid, u16 ssn);
 
 void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da,
 				u16 tid, u16 initiator, u16 reason);

net/mac80211/main.c

@@ -182,10 +182,11 @@ static int ieee80211_open(struct net_device *dev)
 {
 	struct ieee80211_sub_if_data *sdata, *nsdata;
 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct sta_info *sta;
 	struct ieee80211_if_init_conf conf;
+	u32 changed = 0;
 	int res;
 	bool need_hw_reconfig = 0;
-	struct sta_info *sta;
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
@@ -329,7 +330,8 @@ static int ieee80211_open(struct net_device *dev)
 			goto err_stop;
 
 		ieee80211_if_config(dev);
-		ieee80211_reset_erp_info(dev);
+		changed |= ieee80211_reset_erp_info(dev);
+		ieee80211_bss_info_change_notify(sdata, changed);
 		ieee80211_enable_keys(sdata);
 
 		if (sdata->vif.type == IEEE80211_IF_TYPE_STA &&
@@ -1190,15 +1192,13 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
 					     changed);
 }
 
-void ieee80211_reset_erp_info(struct net_device *dev)
+u32 ieee80211_reset_erp_info(struct net_device *dev)
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	sdata->bss_conf.use_cts_prot = 0;
 	sdata->bss_conf.use_short_preamble = 0;
-	ieee80211_bss_info_change_notify(sdata,
-					 BSS_CHANGED_ERP_CTS_PROT |
-					 BSS_CHANGED_ERP_PREAMBLE);
+	return BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_ERP_PREAMBLE;
 }
 
 void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
@@ -1404,14 +1404,15 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 	struct ieee80211_local *local = hw_to_local(hw);
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	u16 frag, type;
+	__le16 fc;
 	struct ieee80211_tx_status_rtap_hdr *rthdr;
 	struct ieee80211_sub_if_data *sdata;
 	struct net_device *prev_dev = NULL;
+	struct sta_info *sta;
 
 	rcu_read_lock();
 
 	if (info->status.excessive_retries) {
-		struct sta_info *sta;
 		sta = sta_info_get(local, hdr->addr1);
 		if (sta) {
 			if (test_sta_flags(sta, WLAN_STA_PS)) {
@@ -1426,8 +1427,24 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 		}
 	}
 
+	fc = hdr->frame_control;
+
+	if ((info->flags & IEEE80211_TX_STAT_AMPDU_NO_BACK) &&
+	    (ieee80211_is_data_qos(fc))) {
+		u16 tid, ssn;
+		u8 *qc;
+		sta = sta_info_get(local, hdr->addr1);
+		if (sta) {
+			qc = ieee80211_get_qos_ctl(hdr);
+			tid = qc[0] & 0xf;
+			ssn = ((le16_to_cpu(hdr->seq_ctrl) + 0x10)
+						& IEEE80211_SCTL_SEQ);
+			ieee80211_send_bar(sta->sdata->dev, hdr->addr1,
+					   tid, ssn);
+		}
+	}
+
 	if (info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
-		struct sta_info *sta;
 		sta = sta_info_get(local, hdr->addr1);
 		if (sta) {
 			ieee80211_handle_filtered_frame(local, sta, skb);

net/mac80211/michael.c

@@ -8,6 +8,7 @@
  */
 #include <linux/types.h>
 #include <linux/bitops.h>
+#include <linux/ieee80211.h>
 #include <asm/unaligned.h>
 
 #include "michael.h"
@@ -26,9 +27,18 @@ static void michael_block(struct michael_mic_ctx *mctx, u32 val)
 	mctx->l += mctx->r;
 }
 
-static void michael_mic_hdr(struct michael_mic_ctx *mctx,
-			const u8 *key, const u8 *da, const u8 *sa, u8 priority)
+static void michael_mic_hdr(struct michael_mic_ctx *mctx, const u8 *key,
+			    struct ieee80211_hdr *hdr)
 {
+	u8 *da, *sa, tid;
+
+	da = ieee80211_get_DA(hdr);
+	sa = ieee80211_get_SA(hdr);
+	if (ieee80211_is_data_qos(hdr->frame_control))
+		tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
+	else
+		tid = 0;
+
 	mctx->l = get_unaligned_le32(key);
 	mctx->r = get_unaligned_le32(key + 4);
 
@@ -40,17 +50,17 @@ static void michael_mic_hdr(struct michael_mic_ctx *mctx,
 	michael_block(mctx, get_unaligned_le16(&da[4]) |
 			    (get_unaligned_le16(sa) << 16));
 	michael_block(mctx, get_unaligned_le32(&sa[2]));
-	michael_block(mctx, priority);
+	michael_block(mctx, tid);
 }
 
-void michael_mic(const u8 *key, const u8 *da, const u8 *sa, u8 priority,
+void michael_mic(const u8 *key, struct ieee80211_hdr *hdr,
 		 const u8 *data, size_t data_len, u8 *mic)
 {
 	u32 val;
 	size_t block, blocks, left;
 	struct michael_mic_ctx mctx;
 
-	michael_mic_hdr(&mctx, key, da, sa, priority);
+	michael_mic_hdr(&mctx, key, hdr);
 
 	/* Real data */
 	blocks = data_len / 4;

net/mac80211/michael.h

@@ -18,7 +18,7 @@ struct michael_mic_ctx {
 	u32 l, r;
 };
 
-void michael_mic(const u8 *key, const u8 *da, const u8 *sa, u8 priority,
+void michael_mic(const u8 *key, struct ieee80211_hdr *hdr,
 		 const u8 *data, size_t data_len, u8 *mic);
 
 #endif /* MICHAEL_H */

net/mac80211/mlme.c

@@ -366,8 +366,10 @@ static u32 ieee80211_handle_protect_preamb(struct ieee80211_sub_if_data *sdata,
 					   bool use_short_preamble)
 {
 	struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
 	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
 	DECLARE_MAC_BUF(mac);
+#endif
 	u32 changed = 0;
 
 	if (use_protection != bss_conf->use_cts_prot) {
@@ -571,7 +573,7 @@ static void ieee80211_set_associated(struct net_device *dev,
 		ieee80211_sta_tear_down_BA_sessions(dev, ifsta->bssid);
 		ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
 		netif_carrier_off(dev);
-		ieee80211_reset_erp_info(dev);
+		changed |= ieee80211_reset_erp_info(dev);
 
 		sdata->bss_conf.assoc_ht = 0;
 		sdata->bss_conf.ht_conf = NULL;
@@ -1536,6 +1538,35 @@ void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid,
 	ieee80211_sta_tx(dev, skb, 0);
 }
 
+void ieee80211_send_bar(struct net_device *dev, u8 *ra, u16 tid, u16 ssn)
+{
+	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct sk_buff *skb;
+	struct ieee80211_bar *bar;
+	u16 bar_control = 0;
+
+	skb = dev_alloc_skb(sizeof(*bar) + local->hw.extra_tx_headroom);
+	if (!skb) {
+		printk(KERN_ERR "%s: failed to allocate buffer for "
+			"bar frame\n", dev->name);
+		return;
+	}
+	skb_reserve(skb, local->hw.extra_tx_headroom);
+	bar = (struct ieee80211_bar *)skb_put(skb, sizeof(*bar));
+	memset(bar, 0, sizeof(*bar));
+	bar->frame_control = IEEE80211_FC(IEEE80211_FTYPE_CTL,
+					IEEE80211_STYPE_BACK_REQ);
+	memcpy(bar->ra, ra, ETH_ALEN);
+	memcpy(bar->ta, dev->dev_addr, ETH_ALEN);
+	bar_control |= (u16)IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL;
+	bar_control |= (u16)IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA;
+	bar_control |= (u16)(tid << 12);
+	bar->control = cpu_to_le16(bar_control);
+	bar->start_seq_num = cpu_to_le16(ssn);
+
+	ieee80211_sta_tx(dev, skb, 0);
+}
+
 void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *ra, u16 tid,
 					u16 initiator, u16 reason)
 {
@@ -2481,6 +2512,7 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
 			control->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE;
 		control->antenna_sel_tx = local->hw.conf.antenna_sel_tx;
 		control->flags |= IEEE80211_TX_CTL_NO_ACK;
+		control->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
 		control->control.retry_limit = 1;
 
 		ifsta->probe_resp = skb_copy(skb, GFP_ATOMIC);

net/mac80211/rx.c

@@ -321,20 +321,20 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
 
 static void ieee80211_parse_qos(struct ieee80211_rx_data *rx)
 {
-	u8 *data = rx->skb->data;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
 	int tid;
 
 	/* does the frame have a qos control field? */
-	if (WLAN_FC_IS_QOS_DATA(rx->fc)) {
-		u8 *qc = data + ieee80211_get_hdrlen(rx->fc) - QOS_CONTROL_LEN;
+	if (ieee80211_is_data_qos(hdr->frame_control)) {
+		u8 *qc = ieee80211_get_qos_ctl(hdr);
 		/* frame has qos control */
-		tid = qc[0] & QOS_CONTROL_TID_MASK;
-		if (qc[0] & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT)
+		tid = *qc & IEEE80211_QOS_CTL_TID_MASK;
+		if (*qc & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT)
 			rx->flags |= IEEE80211_RX_AMSDU;
 		else
 			rx->flags &= ~IEEE80211_RX_AMSDU;
 	} else {
-		if (unlikely((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)) {
+		if (unlikely(ieee80211_is_mgmt(hdr->frame_control))) {
 			/* Separate TID for management frames */
 			tid = NUM_RX_DATA_QUEUES - 1;
 		} else {
@@ -352,9 +352,10 @@ static void ieee80211_parse_qos(struct ieee80211_rx_data *rx)
 static void ieee80211_verify_ip_alignment(struct ieee80211_rx_data *rx)
 {
 #ifdef CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
 	int hdrlen;
 
-	if (!WLAN_FC_DATA_PRESENT(rx->fc))
+	if (!ieee80211_is_data_present(hdr->frame_control))
 		return;
 
 	/*
@@ -376,7 +377,7 @@ static void ieee80211_verify_ip_alignment(struct ieee80211_rx_data *rx)
 	 * header and the payload is not supported, the driver is required
 	 * to move the 802.11 header further back in that case.
 	 */
-	hdrlen = ieee80211_get_hdrlen(rx->fc);
+	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 	if (rx->flags & IEEE80211_RX_AMSDU)
 		hdrlen += ETH_HLEN;
 	WARN_ON_ONCE(((unsigned long)(rx->skb->data + hdrlen)) & 3);
@@ -415,14 +416,11 @@ ieee80211_rx_h_passive_scan(struct ieee80211_rx_data *rx)
 static ieee80211_rx_result
 ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
 {
-	int hdrlen = ieee80211_get_hdrlen(rx->fc);
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
+	unsigned int hdrlen = ieee80211_hdrlen(hdr->frame_control);
 
-#define msh_h_get(h, l) ((struct ieee80211s_hdr *) ((u8 *)h + l))
-
-	if ((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) {
-		if (!((rx->fc & IEEE80211_FCTL_FROMDS) &&
-		      (rx->fc & IEEE80211_FCTL_TODS)))
+	if (ieee80211_is_data(hdr->frame_control)) {
+		if (!ieee80211_has_a4(hdr->frame_control))
 			return RX_DROP_MONITOR;
 		if (memcmp(hdr->addr4, rx->dev->dev_addr, ETH_ALEN) == 0)
 			return RX_DROP_MONITOR;
@@ -435,27 +433,30 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
 	if (!rx->sta || sta_plink_state(rx->sta) != PLINK_ESTAB) {
 		struct ieee80211_mgmt *mgmt;
 
-		if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT)
+		if (!ieee80211_is_mgmt(hdr->frame_control))
 			return RX_DROP_MONITOR;
 
-		switch (rx->fc & IEEE80211_FCTL_STYPE) {
-		case IEEE80211_STYPE_ACTION:
+		if (ieee80211_is_action(hdr->frame_control)) {
 			mgmt = (struct ieee80211_mgmt *)hdr;
 			if (mgmt->u.action.category != PLINK_CATEGORY)
 				return RX_DROP_MONITOR;
-			/* fall through on else */
-		case IEEE80211_STYPE_PROBE_REQ:
-		case IEEE80211_STYPE_PROBE_RESP:
-		case IEEE80211_STYPE_BEACON:
 			return RX_CONTINUE;
-			break;
-		default:
-			return RX_DROP_MONITOR;
 		}
 
-	 } else if ((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA &&
-		    is_multicast_ether_addr(hdr->addr1) &&
-		    mesh_rmc_check(hdr->addr4, msh_h_get(hdr, hdrlen), rx->dev))
+		if (ieee80211_is_probe_req(hdr->frame_control) ||
+		    ieee80211_is_probe_resp(hdr->frame_control) ||
+		    ieee80211_is_beacon(hdr->frame_control))
+			return RX_CONTINUE;
+
+		return RX_DROP_MONITOR;
+
+	}
+
+#define msh_h_get(h, l) ((struct ieee80211s_hdr *) ((u8 *)h + l))
+
+	if (ieee80211_is_data(hdr->frame_control) &&
+	    is_multicast_ether_addr(hdr->addr1) &&
+	    mesh_rmc_check(hdr->addr4, msh_h_get(hdr, hdrlen), rx->dev))
 		return RX_DROP_MONITOR;
 #undef msh_h_get
 
@@ -466,13 +467,11 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
 static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
 {
-	struct ieee80211_hdr *hdr;
-
-	hdr = (struct ieee80211_hdr *) rx->skb->data;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
 
 	/* Drop duplicate 802.11 retransmissions (IEEE 802.11 Chap. 9.2.9) */
 	if (rx->sta && !is_multicast_ether_addr(hdr->addr1)) {
-		if (unlikely(rx->fc & IEEE80211_FCTL_RETRY &&
+		if (unlikely(ieee80211_has_retry(hdr->frame_control) &&
 			     rx->sta->last_seq_ctrl[rx->queue] ==
 			     hdr->seq_ctrl)) {
 			if (rx->flags & IEEE80211_RX_RA_MATCH) {
@@ -501,15 +500,14 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
 	if (ieee80211_vif_is_mesh(&rx->sdata->vif))
 		return ieee80211_rx_mesh_check(rx);
 
-	if (unlikely(((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA ||
-		      ((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL &&
-		       (rx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PSPOLL)) &&
+	if (unlikely((ieee80211_is_data(hdr->frame_control) ||
+		      ieee80211_is_pspoll(hdr->frame_control)) &&
 		     rx->sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
 		     (!rx->sta || !test_sta_flags(rx->sta, WLAN_STA_ASSOC)))) {
-		if ((!(rx->fc & IEEE80211_FCTL_FROMDS) &&
-		     !(rx->fc & IEEE80211_FCTL_TODS) &&
-		     (rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)
-		    || !(rx->flags & IEEE80211_RX_RA_MATCH)) {
+		if ((!ieee80211_has_fromds(hdr->frame_control) &&
+		     !ieee80211_has_tods(hdr->frame_control) &&
+		     ieee80211_is_data(hdr->frame_control)) ||
+		    !(rx->flags & IEEE80211_RX_RA_MATCH)) {
 			/* Drop IBSS frames and frames for other hosts
 			 * silently. */
 			return RX_DROP_MONITOR;
@@ -525,7 +523,7 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
 static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
 {
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
 	int keyidx;
 	int hdrlen;
 	ieee80211_rx_result result = RX_DROP_UNUSABLE;
@@ -557,7 +555,7 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
 	 * possible.
 	 */
 
-	if (!(rx->fc & IEEE80211_FCTL_PROTECTED))
+	if (!ieee80211_has_protected(hdr->frame_control))
 		return RX_CONTINUE;
 
 	/*
@@ -586,7 +584,7 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
 		    (rx->status->flag & RX_FLAG_IV_STRIPPED))
 			return RX_CONTINUE;
 
-		hdrlen = ieee80211_get_hdrlen(rx->fc);
+		hdrlen = ieee80211_hdrlen(hdr->frame_control);
 
 		if (rx->skb->len < 8 + hdrlen)
 			return RX_DROP_UNUSABLE; /* TODO: count this? */
@@ -618,7 +616,7 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
 
 	/* Check for weak IVs if possible */
 	if (rx->sta && rx->key->conf.alg == ALG_WEP &&
-	    ((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) &&
+	    ieee80211_is_data(hdr->frame_control) &&
 	    (!(rx->status->flag & RX_FLAG_IV_STRIPPED) ||
 	     !(rx->status->flag & RX_FLAG_DECRYPTED)) &&
 	    ieee80211_wep_is_weak_iv(rx->skb, rx->key))
@@ -710,7 +708,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
 {
 	struct sta_info *sta = rx->sta;
 	struct net_device *dev = rx->dev;
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
 
 	if (!sta)
 		return RX_CONTINUE;
@@ -744,21 +742,20 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
 	sta->last_qual = rx->status->qual;
 	sta->last_noise = rx->status->noise;
 
-	if (!(rx->fc & IEEE80211_FCTL_MOREFRAGS)) {
+	if (!ieee80211_has_morefrags(hdr->frame_control)) {
 		/* Change STA power saving mode only in the end of a frame
 		 * exchange sequence */
 		if (test_sta_flags(sta, WLAN_STA_PS) &&
-		    !(rx->fc & IEEE80211_FCTL_PM))
+		    !ieee80211_has_pm(hdr->frame_control))
 			rx->sent_ps_buffered += ap_sta_ps_end(dev, sta);
 		else if (!test_sta_flags(sta, WLAN_STA_PS) &&
-			 (rx->fc & IEEE80211_FCTL_PM))
+			 ieee80211_has_pm(hdr->frame_control))
 			ap_sta_ps_start(dev, sta);
 	}
 
 	/* Drop data::nullfunc frames silently, since they are used only to
 	 * control station power saving mode. */
-	if ((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA &&
-	    (rx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_NULLFUNC) {
+	if (ieee80211_is_nullfunc(hdr->frame_control)) {
 		I802_DEBUG_INC(rx->local->rx_handlers_drop_nullfunc);
 		/* Update counter and free packet here to avoid counting this
 		 * as a dropped packed. */
@@ -1037,19 +1034,19 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
 static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_remove_qos_control(struct ieee80211_rx_data *rx)
 {
-	u16 fc = rx->fc;
 	u8 *data = rx->skb->data;
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) data;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)data;
 
-	if (!WLAN_FC_IS_QOS_DATA(fc))
+	if (!ieee80211_is_data_qos(hdr->frame_control))
 		return RX_CONTINUE;
 
 	/* remove the qos control field, update frame type and meta-data */
-	memmove(data + 2, data, ieee80211_get_hdrlen(fc) - 2);
-	hdr = (struct ieee80211_hdr *) skb_pull(rx->skb, 2);
+	memmove(data + IEEE80211_QOS_CTL_LEN, data,
+		ieee80211_hdrlen(hdr->frame_control) - IEEE80211_QOS_CTL_LEN);
+	hdr = (struct ieee80211_hdr *)skb_pull(rx->skb, IEEE80211_QOS_CTL_LEN);
 	/* change frame type to non QOS */
-	rx->fc = fc &= ~IEEE80211_STYPE_QOS_DATA;
-	hdr->frame_control = cpu_to_le16(fc);
+	rx->fc &= ~IEEE80211_STYPE_QOS_DATA;
+	hdr->frame_control &= ~cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
 
 	return RX_CONTINUE;
 }
@@ -1465,15 +1462,15 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx)
 	struct ieee80211_local *local = rx->local;
 	struct ieee80211_hw *hw = &local->hw;
 	struct sk_buff *skb = rx->skb;
-	struct ieee80211_bar *bar = (struct ieee80211_bar *) skb->data;
+	struct ieee80211_bar *bar = (struct ieee80211_bar *)skb->data;
 	struct tid_ampdu_rx *tid_agg_rx;
 	u16 start_seq_num;
 	u16 tid;
 
-	if (likely((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_CTL))
+	if (likely(!ieee80211_is_ctl(bar->frame_control)))
 		return RX_CONTINUE;
 
-	if ((rx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BACK_REQ) {
+	if (ieee80211_is_back_req(bar->frame_control)) {
 		if (!rx->sta)
 			return RX_CONTINUE;
 		tid = le16_to_cpu(bar->control) >> 12;
@@ -1527,11 +1524,12 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev,
 					    struct ieee80211_hdr *hdr,
 					    struct ieee80211_rx_data *rx)
 {
-	int keyidx, hdrlen;
+	int keyidx;
+	unsigned int hdrlen;
 	DECLARE_MAC_BUF(mac);
 	DECLARE_MAC_BUF(mac2);
 
-	hdrlen = ieee80211_get_hdrlen_from_skb(rx->skb);
+	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 	if (rx->skb->len >= hdrlen + 4)
 		keyidx = rx->skb->data[hdrlen + 3] >> 6;
 	else
@@ -1545,7 +1543,7 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev,
 		goto ignore;
 	}
 
-	if (!(rx->fc & IEEE80211_FCTL_PROTECTED))
+	if (!ieee80211_has_protected(hdr->frame_control))
 		goto ignore;
 
 	if (rx->sdata->vif.type == IEEE80211_IF_TYPE_AP && keyidx) {
@@ -1558,9 +1556,8 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev,
 		goto ignore;
 	}
 
-	if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA &&
-	    ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT ||
-	     (rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_AUTH))
+	if (!ieee80211_is_data(hdr->frame_control) &&
+	    !ieee80211_is_auth(hdr->frame_control))
 		goto ignore;
 
 	mac80211_ev_michael_mic_failure(rx->dev, keyidx, hdr);
@@ -1731,8 +1728,7 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
 	case IEEE80211_IF_TYPE_IBSS:
 		if (!bssid)
 			return 0;
-		if ((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT &&
-		    (rx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BEACON) {
+		if (ieee80211_is_beacon(hdr->frame_control)) {
 			if (!rx->sta)
 				rx->sta = ieee80211_ibss_add_sta(sdata->dev,
 						rx->skb, bssid, hdr->addr2,
@@ -1783,8 +1779,7 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
 			return 0;
 		break;
 	case IEEE80211_IF_TYPE_WDS:
-		if (bssid ||
-		    (rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)
+		if (bssid || !ieee80211_is_data(hdr->frame_control))
 			return 0;
 		if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
 			return 0;
@@ -2044,7 +2039,7 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
 	if (!ieee80211_is_data_qos(hdr->frame_control))
 		goto end_reorder;
 
-	tid = *ieee80211_get_qos_ctl(hdr) & QOS_CONTROL_TID_MASK;
+	tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
 
 	if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_OPERATIONAL)
 		goto end_reorder;

net/mac80211/sta_info.c

@@ -135,6 +135,7 @@ struct sta_info *sta_info_get_by_idx(struct ieee80211_local *local, int idx,
 /**
  * __sta_info_free - internal STA free helper
  *
+ * @local: pointer to the global information
  * @sta: STA info to free
  *
  * This function must undo everything done by sta_info_alloc()

net/mac80211/sta_info.h

@@ -160,11 +160,21 @@ struct sta_ampdu_mlme {
  * @list: global linked list entry
  * @hnext: hash table linked list pointer
  * @local: pointer to the global information
+ * @sdata: TBD
+ * @key: TBD
+ * @rate_ctrl: TBD
+ * @rate_ctrl_priv: TBD
+ * @lock: used for locking all fields that require locking, see comments
+ *	in the header file.
+ * @flaglock: spinlock for flags accesses
+ * @ht_info: HT capabilities of this STA
+ * @supp_rates: Bitmap of supported rates (per band)
  * @addr: MAC address of this STA
  * @aid: STA's unique AID (1..2007, 0 = not assigned yet),
  *	only used in AP (and IBSS?) mode
+ * @listen_interval: TBD
+ * @pin_status: TBD
  * @flags: STA flags, see &enum ieee80211_sta_info_flags
- * @flaglock: spinlock for flags accesses
  * @ps_tx_buf: buffer of frames to transmit to this station
  *	when it leaves power saving state
  * @tx_filtered: buffer of frames we already tried to transmit
@@ -172,10 +182,41 @@ struct sta_ampdu_mlme {
  *	power saving state
  * @rx_packets: Number of MSDUs received from this STA
  * @rx_bytes: Number of bytes received from this STA
- * @supp_rates: Bitmap of supported rates (per band)
- * @ht_info: HT capabilities of this STA
- * @lock: used for locking all fields that require locking, see comments
- *	in the header file.
+ * @wep_weak_iv_count: TBD
+ * @last_rx: TBD
+ * @num_duplicates: number of duplicate frames received from this STA
+ * @rx_fragments: number of received MPDUs
+ * @rx_dropped: number of dropped MPDUs from this STA
+ * @last_signal: signal of last received frame from this STA
+ * @last_qual: qual of last received frame from this STA
+ * @last_noise: noise of last received frame from this STA
+ * @last_seq_ctrl: last received seq/frag number from this STA (per RX queue)
+ * @wme_rx_queue: TBD
+ * @tx_filtered_count: TBD
+ * @tx_retry_failed: TBD
+ * @tx_retry_count: TBD
+ * @tx_num_consecutive_failures: TBD
+ * @tx_num_mpdu_ok: TBD
+ * @tx_num_mpdu_fail: TBD
+ * @fail_avg: moving percentage of failed MSDUs
+ * @tx_packets: number of RX/TX MSDUs
+ * @tx_bytes: TBD
+ * @tx_fragments: number of transmitted MPDUs
+ * @txrate_idx: TBD
+ * @last_txrate_idx: TBD
+ * @wme_tx_queue: TBD
+ * @ampdu_mlme: TBD
+ * @timer_to_tid: identity mapping to ID timers
+ * @tid_to_tx_q: map tid to tx queue
+ * @llid: Local link ID
+ * @plid: Peer link ID
+ * @reason: Cancel reason on PLINK_HOLDING state
+ * @plink_retries: Retries in establishment
+ * @ignore_plink_timer: TBD
+ * @plink_state plink_state: TBD
+ * @plink_timeout: TBD
+ * @plink_timer: TBD
+ * @debugfs: debug filesystem info
  */
 struct sta_info {
 	/* General information, mostly static */
@@ -217,14 +258,12 @@ struct sta_info {
 	unsigned long rx_packets, rx_bytes;
 	unsigned long wep_weak_iv_count;
 	unsigned long last_rx;
-	unsigned long num_duplicates; /* number of duplicate frames received
-				       * from this STA */
-	unsigned long rx_fragments; /* number of received MPDUs */
-	unsigned long rx_dropped; /* number of dropped MPDUs from this STA */
-	int last_signal; /* signal of last received frame from this STA */
-	int last_qual;  /* qual of last received frame from this STA */
-	int last_noise; /* noise of last received frame from this STA */
-	/* last received seq/frag number from this STA (per RX queue) */
+	unsigned long num_duplicates;
+	unsigned long rx_fragments;
+	unsigned long rx_dropped;
+	int last_signal;
+	int last_qual;
+	int last_noise;
 	__le16 last_seq_ctrl[NUM_RX_DATA_QUEUES];
 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
 	unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES];
@@ -241,9 +280,9 @@ struct sta_info {
 	unsigned int fail_avg;
 
 	/* Updated from TX path only, no locking requirements */
-	unsigned long tx_packets; /* number of RX/TX MSDUs */
+	unsigned long tx_packets;
 	unsigned long tx_bytes;
-	unsigned long tx_fragments; /* number of transmitted MPDUs */
+	unsigned long tx_fragments;
 	int txrate_idx;
 	int last_txrate_idx;
 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
@@ -254,18 +293,18 @@ struct sta_info {
 	 * Aggregation information, locked with lock.
 	 */
 	struct sta_ampdu_mlme ampdu_mlme;
-	u8 timer_to_tid[STA_TID_NUM];	/* identity mapping to ID timers */
-	u8 tid_to_tx_q[STA_TID_NUM];	/* map tid to tx queue */
+	u8 timer_to_tid[STA_TID_NUM];
+	u8 tid_to_tx_q[STA_TID_NUM];
 
 #ifdef CONFIG_MAC80211_MESH
 	/*
 	 * Mesh peer link attributes
 	 * TODO: move to a sub-structure that is referenced with pointer?
 	 */
-	__le16 llid;		/* Local link ID */
-	__le16 plid;		/* Peer link ID */
-	__le16 reason;		/* Cancel reason on PLINK_HOLDING state */
-	u8 plink_retries;	/* Retries in establishment */
+	__le16 llid;
+	__le16 plid;
+	__le16 reason;
+	u8 plink_retries;
 	bool ignore_plink_timer;
 	enum plink_state plink_state;
 	u32 plink_timeout;

net/mac80211/wext.c

@@ -800,6 +800,8 @@ static int ieee80211_ioctl_siwfrag(struct net_device *dev,
 
 	if (frag->disabled)
 		local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
+	else if (!frag->fixed)
+		local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
 	else if (frag->value < 256 ||
 		 frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
 		return -EINVAL;

net/mac80211/wme.c

@@ -154,7 +154,7 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd)
 		queue = skb_get_queue_mapping(skb);
 		rcu_read_lock();
 		sta = sta_info_get(local, hdr->addr1);
-		tid = skb->priority & QOS_CONTROL_TAG1D_MASK;
+		tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
 		if (sta) {
 			int ampdu_queue = sta->tid_to_tx_q[tid];
 			if ((ampdu_queue < QD_NUM(hw)) &&
@@ -181,7 +181,7 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd)
 	if (ieee80211_is_data_qos(hdr->frame_control)) {
 		u8 *p = ieee80211_get_qos_ctl(hdr);
 		u8 ack_policy = 0;
-		tid = skb->priority & QOS_CONTROL_TAG1D_MASK;
+		tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
 		if (local->wifi_wme_noack_test)
 			ack_policy |= QOS_CONTROL_ACK_POLICY_NOACK <<
 					QOS_CONTROL_ACK_POLICY_SHIFT;
@@ -210,7 +210,6 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd)
 			kfree_skb(skb);
 			err = NET_XMIT_DROP;
 	} else {
-		tid = skb->priority & QOS_CONTROL_TAG1D_MASK;
 		skb_set_queue_mapping(skb, queue);
 		qdisc = q->queues[queue];
 		err = qdisc->enqueue(skb, qdisc);

net/mac80211/wme.h

@@ -19,18 +19,10 @@
 #define QOS_CONTROL_ACK_POLICY_NORMAL 0
 #define QOS_CONTROL_ACK_POLICY_NOACK 1
 
-#define QOS_CONTROL_TID_MASK 0x0f
 #define QOS_CONTROL_ACK_POLICY_SHIFT 5
 
-#define QOS_CONTROL_TAG1D_MASK 0x07
-
 extern const int ieee802_1d_to_ac[8];
 
-static inline int WLAN_FC_IS_QOS_DATA(u16 fc)
-{
-	return (fc & 0x8C) == 0x88;
-}
-
 #ifdef CONFIG_MAC80211_QOS
 void ieee80211_install_qdisc(struct net_device *dev);
 int ieee80211_qdisc_installed(struct net_device *dev);

net/mac80211/wpa.c

@@ -11,6 +11,8 @@
 #include <linux/slab.h>
 #include <linux/skbuff.h>
 #include <linux/compiler.h>
+#include <linux/ieee80211.h>
+#include <asm/unaligned.h>
 #include <net/mac80211.h>
 
 #include "ieee80211_i.h"
@@ -19,53 +21,30 @@
 #include "aes_ccm.h"
 #include "wpa.h"
 
-static int ieee80211_get_hdr_info(const struct sk_buff *skb, u8 **sa, u8 **da,
-				  u8 *qos_tid, u8 **data, size_t *data_len)
-{
-	struct ieee80211_hdr *hdr;
-	size_t hdrlen;
-	__le16 fc;
-
-	hdr = (struct ieee80211_hdr *)skb->data;
-	fc = hdr->frame_control;
-
-	hdrlen = ieee80211_hdrlen(fc);
-
-	*sa = ieee80211_get_SA(hdr);
-	*da = ieee80211_get_DA(hdr);
-
-	*data = skb->data + hdrlen;
-	*data_len = skb->len - hdrlen;
-
-	if (ieee80211_is_data_qos(fc))
-		*qos_tid = (*ieee80211_get_qos_ctl(hdr) & 0x0f) | 0x80;
-	else
-		*qos_tid = 0;
-
-	return skb->len < hdrlen ? -1 : 0;
-}
-
-
 ieee80211_tx_result
 ieee80211_tx_h_michael_mic_add(struct ieee80211_tx_data *tx)
 {
-	u8 *data, *sa, *da, *key, *mic, qos_tid, key_offset;
+	u8 *data, *key, *mic, key_offset;
 	size_t data_len;
-	u16 fc;
+	unsigned int hdrlen;
+	struct ieee80211_hdr *hdr;
 	struct sk_buff *skb = tx->skb;
 	int authenticator;
 	int wpa_test = 0;
 	int tail;
 
-	fc = tx->fc;
-
+	hdr = (struct ieee80211_hdr *)skb->data;
 	if (!tx->key || tx->key->conf.alg != ALG_TKIP || skb->len < 24 ||
-	    !WLAN_FC_DATA_PRESENT(fc))
+	    !ieee80211_is_data_present(hdr->frame_control))
 		return TX_CONTINUE;
 
-	if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len))
+	hdrlen = ieee80211_hdrlen(hdr->frame_control);
+	if (skb->len < hdrlen)
 		return TX_DROP;
 
+	data = skb->data + hdrlen;
+	data_len = skb->len - hdrlen;
+
 	if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) &&
 	    !(tx->flags & IEEE80211_TX_FRAGMENTED) &&
 	    !(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) &&
@@ -95,7 +74,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_tx_data *tx)
 		NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY;
 	key = &tx->key->conf.key[key_offset];
 	mic = skb_put(skb, MICHAEL_MIC_LEN);
-	michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic);
+	michael_mic(key, hdr, data, data_len, mic);
 
 	return TX_CONTINUE;
 }
@@ -104,31 +83,33 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_tx_data *tx)
 ieee80211_rx_result
 ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
 {
-	u8 *data, *sa, *da, *key = NULL, qos_tid, key_offset;
+	u8 *data, *key = NULL, key_offset;
 	size_t data_len;
-	u16 fc;
+	unsigned int hdrlen;
+	struct ieee80211_hdr *hdr;
 	u8 mic[MICHAEL_MIC_LEN];
 	struct sk_buff *skb = rx->skb;
 	int authenticator = 1, wpa_test = 0;
 	DECLARE_MAC_BUF(mac);
 
-	fc = rx->fc;
-
 	/*
 	 * No way to verify the MIC if the hardware stripped it
 	 */
 	if (rx->status->flag & RX_FLAG_MMIC_STRIPPED)
 		return RX_CONTINUE;
 
+	hdr = (struct ieee80211_hdr *)skb->data;
 	if (!rx->key || rx->key->conf.alg != ALG_TKIP ||
-	    !(rx->fc & IEEE80211_FCTL_PROTECTED) || !WLAN_FC_DATA_PRESENT(fc))
+	    !ieee80211_has_protected(hdr->frame_control) ||
+	    !ieee80211_is_data_present(hdr->frame_control))
 		return RX_CONTINUE;
 
-	if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len)
-	    || data_len < MICHAEL_MIC_LEN)
+	hdrlen = ieee80211_hdrlen(hdr->frame_control);
+	if (skb->len < hdrlen + MICHAEL_MIC_LEN)
 		return RX_DROP_UNUSABLE;
 
-	data_len -= MICHAEL_MIC_LEN;
+	data = skb->data + hdrlen;
+	data_len = skb->len - hdrlen - MICHAEL_MIC_LEN;
 
 #if 0
 	authenticator = fc & IEEE80211_FCTL_TODS; /* FIX */
@@ -141,7 +122,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
 		NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY :
 		NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY;
 	key = &rx->key->conf.key[key_offset];
-	michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic);
+	michael_mic(key, hdr, data, data_len, mic);
 	if (memcmp(mic, data + data_len, MICHAEL_MIC_LEN) != 0 || wpa_test) {
 		if (!(rx->flags & IEEE80211_RX_RA_MATCH))
 			return RX_DROP_UNUSABLE;
@@ -253,7 +234,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
 
 	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 
-	if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)
+	if (!ieee80211_is_data(hdr->frame_control))
 		return RX_CONTINUE;
 
 	if (!rx->sta || skb->len - hdrlen < 12)
@@ -293,70 +274,68 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
 }
 
 
-static void ccmp_special_blocks(struct sk_buff *skb, u8 *pn, u8 *b_0, u8 *aad,
+static void ccmp_special_blocks(struct sk_buff *skb, u8 *pn, u8 *scratch,
 				int encrypted)
 {
-	u16 fc;
-	int a4_included, qos_included;
-	u8 qos_tid, *fc_pos, *data, *sa, *da;
-	int len_a;
-	size_t data_len;
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	__le16 mask_fc;
+	int a4_included;
+	u8 qos_tid;
+	u8 *b_0, *aad;
+	u16 data_len, len_a;
+	unsigned int hdrlen;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 
-	fc_pos = (u8 *) &hdr->frame_control;
-	fc = fc_pos[0] ^ (fc_pos[1] << 8);
-	a4_included = (fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) ==
-		(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
-
-	ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len);
-	data_len -= CCMP_HDR_LEN + (encrypted ? CCMP_MIC_LEN : 0);
-	if (qos_tid & 0x80) {
-		qos_included = 1;
-		qos_tid &= 0x0f;
-	} else
-		qos_included = 0;
-	/* First block, b_0 */
+	b_0 = scratch + 3 * AES_BLOCK_LEN;
+	aad = scratch + 4 * AES_BLOCK_LEN;
+
+	/*
+	 * Mask FC: zero subtype b4 b5 b6
+	 * Retry, PwrMgt, MoreData; set Protected
+	 */
+	mask_fc = hdr->frame_control;
+	mask_fc &= ~cpu_to_le16(0x0070 | IEEE80211_FCTL_RETRY |
+				IEEE80211_FCTL_PM | IEEE80211_FCTL_MOREDATA);
+	mask_fc |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
+
+	hdrlen = ieee80211_hdrlen(hdr->frame_control);
+	len_a = hdrlen - 2;
+	a4_included = ieee80211_has_a4(hdr->frame_control);
+
+	if (ieee80211_is_data_qos(hdr->frame_control))
+		qos_tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
+	else
+		qos_tid = 0;
 
+	data_len = skb->len - hdrlen - CCMP_HDR_LEN;
+	if (encrypted)
+		data_len -= CCMP_MIC_LEN;
+
+	/* First block, b_0 */
 	b_0[0] = 0x59; /* flags: Adata: 1, M: 011, L: 001 */
 	/* Nonce: QoS Priority | A2 | PN */
 	b_0[1] = qos_tid;
-	memcpy(&b_0[2], hdr->addr2, 6);
+	memcpy(&b_0[2], hdr->addr2, ETH_ALEN);
 	memcpy(&b_0[8], pn, CCMP_PN_LEN);
 	/* l(m) */
-	b_0[14] = (data_len >> 8) & 0xff;
-	b_0[15] = data_len & 0xff;
-
+	put_unaligned_be16(data_len, &b_0[14]);
 
 	/* AAD (extra authenticate-only data) / masked 802.11 header
 	 * FC | A1 | A2 | A3 | SC | [A4] | [QC] */
-
-	len_a = a4_included ? 28 : 22;
-	if (qos_included)
-		len_a += 2;
-
-	aad[0] = 0; /* (len_a >> 8) & 0xff; */
-	aad[1] = len_a & 0xff;
-	/* Mask FC: zero subtype b4 b5 b6 */
-	aad[2] = fc_pos[0] & ~(BIT(4) | BIT(5) | BIT(6));
-	/* Retry, PwrMgt, MoreData; set Protected */
-	aad[3] = (fc_pos[1] & ~(BIT(3) | BIT(4) | BIT(5))) | BIT(6);
-	memcpy(&aad[4], &hdr->addr1, 18);
+	put_unaligned_be16(len_a, &aad[0]);
+	put_unaligned(mask_fc, (__le16 *)&aad[2]);
+	memcpy(&aad[4], &hdr->addr1, 3 * ETH_ALEN);
 
 	/* Mask Seq#, leave Frag# */
 	aad[22] = *((u8 *) &hdr->seq_ctrl) & 0x0f;
 	aad[23] = 0;
+
 	if (a4_included) {
-		memcpy(&aad[24], hdr->addr4, 6);
-		aad[30] = 0;
+		memcpy(&aad[24], hdr->addr4, ETH_ALEN);
+		aad[30] = qos_tid;
 		aad[31] = 0;
-	} else
-		memset(&aad[24], 0, 8);
-	if (qos_included) {
-		u8 *dpos = &aad[a4_included ? 30 : 24];
-
-		/* Mask QoS Control field */
-		dpos[0] = qos_tid;
-		dpos[1] = 0;
+	} else {
+		memset(&aad[24], 0, ETH_ALEN + IEEE80211_QOS_CTL_LEN);
+		aad[24] = qos_tid;
 	}
 }
 
@@ -392,7 +371,7 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
 	struct ieee80211_key *key = tx->key;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	int hdrlen, len, tail;
-	u8 *pos, *pn, *b_0, *aad, *scratch;
+	u8 *pos, *pn;
 	int i;
 
 	info->control.icv_len = CCMP_MIC_LEN;
@@ -406,10 +385,6 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
 		return 0;
 	}
 
-	scratch = key->u.ccmp.tx_crypto_buf;
-	b_0 = scratch + 3 * AES_BLOCK_LEN;
-	aad = scratch + 4 * AES_BLOCK_LEN;
-
 	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 	len = skb->len - hdrlen;
 
@@ -445,8 +420,8 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
 	}
 
 	pos += CCMP_HDR_LEN;
-	ccmp_special_blocks(skb, pn, b_0, aad, 0);
-	ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, scratch, b_0, aad, pos, len,
+	ccmp_special_blocks(skb, pn, key->u.ccmp.tx_crypto_buf, 0);
+	ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, key->u.ccmp.tx_crypto_buf, pos, len,
 				  pos, skb_put(skb, CCMP_MIC_LEN));
 
 	return 0;
@@ -478,7 +453,7 @@ ieee80211_crypto_ccmp_encrypt(struct ieee80211_tx_data *tx)
 ieee80211_rx_result
 ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
 {
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
 	int hdrlen;
 	struct ieee80211_key *key = rx->key;
 	struct sk_buff *skb = rx->skb;
@@ -488,7 +463,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
 
 	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 
-	if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA)
+	if (!ieee80211_is_data(hdr->frame_control))
 		return RX_CONTINUE;
 
 	data_len = skb->len - hdrlen - CCMP_HDR_LEN - CCMP_MIC_LEN;
@@ -508,16 +483,10 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
 
 	if (!(rx->status->flag & RX_FLAG_DECRYPTED)) {
 		/* hardware didn't decrypt/verify MIC */
-		u8 *scratch, *b_0, *aad;
-
-		scratch = key->u.ccmp.rx_crypto_buf;
-		b_0 = scratch + 3 * AES_BLOCK_LEN;
-		aad = scratch + 4 * AES_BLOCK_LEN;
-
-		ccmp_special_blocks(skb, pn, b_0, aad, 1);
+		ccmp_special_blocks(skb, pn, key->u.ccmp.rx_crypto_buf, 1);
 
 		if (ieee80211_aes_ccm_decrypt(
-			    key->u.ccmp.tfm, scratch, b_0, aad,
+			    key->u.ccmp.tfm, key->u.ccmp.rx_crypto_buf,
 			    skb->data + hdrlen + CCMP_HDR_LEN, data_len,
 			    skb->data + skb->len - CCMP_MIC_LEN,
 			    skb->data + hdrlen + CCMP_HDR_LEN)) {

net/rfkill/rfkill.c

@@ -130,17 +130,19 @@ static void update_rfkill_state(struct rfkill *rfkill)
 
 /**
  * rfkill_toggle_radio - wrapper for toggle_radio hook
- * calls toggle_radio taking into account a lot of "small"
- * details.
+ *
  * @rfkill: the rfkill struct to use
  * @force: calls toggle_radio even if cache says it is not needed,
  *	and also makes sure notifications of the state will be
  *	sent even if it didn't change
  * @state: the new state to call toggle_radio() with
  *
- * This wrappen protects and enforces the API for toggle_radio
- * calls.  Note that @force cannot override a (possibly cached)
- * state of RFKILL_STATE_HARD_BLOCKED.  Any device making use of
+ * Calls rfkill->toggle_radio, enforcing the API for toggle_radio
+ * calls and handling all the red tape such as issuing notifications
+ * if the call is successful.
+ *
+ * Note that @force cannot override a (possibly cached) state of
+ * RFKILL_STATE_HARD_BLOCKED.  Any device making use of
  * RFKILL_STATE_HARD_BLOCKED implements either get_state() or
  * rfkill_force_state(), so the cache either is bypassed or valid.
  *
@@ -499,17 +501,15 @@ static struct class rfkill_class = {
 
 static int rfkill_add_switch(struct rfkill *rfkill)
 {
-	int error;
-
 	mutex_lock(&rfkill_mutex);
 
-	error = rfkill_toggle_radio(rfkill, rfkill_states[rfkill->type], 0);
-	if (!error)
-		list_add_tail(&rfkill->node, &rfkill_list);
+	rfkill_toggle_radio(rfkill, rfkill_states[rfkill->type], 0);
+
+	list_add_tail(&rfkill->node, &rfkill_list);
 
 	mutex_unlock(&rfkill_mutex);
 
-	return error;
+	return 0;
 }
 
 static void rfkill_remove_switch(struct rfkill *rfkill)

net/wireless/nl80211.c

@@ -199,12 +199,14 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
 
 	mutex_lock(&cfg80211_drv_mutex);
 	list_for_each_entry(dev, &cfg80211_drv_list, list) {
-		if (++idx < start)
+		if (++idx <= start)
 			continue;
 		if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid,
 				       cb->nlh->nlmsg_seq, NLM_F_MULTI,
-				       dev) < 0)
+				       dev) < 0) {
+			idx--;
 			break;
+		}
 	}
 	mutex_unlock(&cfg80211_drv_mutex);