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

MAINTAINERS

@@ -4984,7 +4984,7 @@ L:	linux-wireless@vger.kernel.org
 W:	http://linuxwireless.org/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git
 S:	Maintained
-F:	drivers/net/wireless/rtl818*
+F:	drivers/net/wireless/rtl818x/rtl8180*
 
 RTL8187 WIRELESS DRIVER
 P:	Herton Ronaldo Krzesinski
@@ -6466,6 +6466,15 @@ M:	mitr@volny.cz
 S:	Maintained
 F:	drivers/input/misc/wistron_btns.c
 
+WL1251 WIRELESS DRIVER
+P:	Kalle Valo
+M:	kalle.valo@nokia.com
+L:	linux-wireless@vger.kernel.org
+W:	http://wireless.kernel.org
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git
+S:	Maintained
+F:	drivers/net/wireless/wl12xx/wl1251*
+
 WL3501 WIRELESS PCMCIA CARD DRIVER
 P:	Arnaldo Carvalho de Melo
 M:	acme@ghostprotocols.net

drivers/net/wireless/Kconfig

@@ -428,10 +428,12 @@ config RTL8187
 	  Micronet SP907GK V5
 	  Encore ENUWI-G2
 	  Trendnet TEW-424UB
-	  ASUS P5B Deluxe
+	  ASUS P5B Deluxe/P5K Premium motherboards
 	  Toshiba Satellite Pro series of laptops
 	  Asus Wireless Link
-	  Linksys WUSB54GC-EU
+	  Linksys WUSB54GC-EU v2
+	    (v1 = rt73usb; v3 is rt2070-based,
+	     use staging/rt3070 or try rt2800usb)
 
 	  Thanks to Realtek for their support!
 

drivers/net/wireless/adm8211.c

@@ -1964,14 +1964,6 @@ static void __devexit adm8211_remove(struct pci_dev *pdev)
 #ifdef CONFIG_PM
 static int adm8211_suspend(struct pci_dev *pdev, pm_message_t state)
 {
-	struct ieee80211_hw *dev = pci_get_drvdata(pdev);
-	struct adm8211_priv *priv = dev->priv;
-
-	if (priv->mode != NL80211_IFTYPE_UNSPECIFIED) {
-		ieee80211_stop_queues(dev);
-		adm8211_stop(dev);
-	}
-
 	pci_save_state(pdev);
 	pci_set_power_state(pdev, pci_choose_state(pdev, state));
 	return 0;
@@ -1979,17 +1971,8 @@ static int adm8211_suspend(struct pci_dev *pdev, pm_message_t state)
 
 static int adm8211_resume(struct pci_dev *pdev)
 {
-	struct ieee80211_hw *dev = pci_get_drvdata(pdev);
-	struct adm8211_priv *priv = dev->priv;
-
 	pci_set_power_state(pdev, PCI_D0);
 	pci_restore_state(pdev);
-
-	if (priv->mode != NL80211_IFTYPE_UNSPECIFIED) {
-		adm8211_start(dev);
-		ieee80211_wake_queues(dev);
-	}
-
 	return 0;
 }
 #endif /* CONFIG_PM */

drivers/net/wireless/arlan-main.c

@@ -1022,7 +1022,7 @@ static int arlan_mac_addr(struct net_device *dev, void *p)
 	ARLAN_DEBUG_ENTRY("arlan_mac_addr");
 	return -EINVAL;
 
-	if (!netif_running(dev))
+	if (netif_running(dev))
 		return -EBUSY;
 	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
 

drivers/net/wireless/ath/ar9170/ar9170.h

@@ -109,11 +109,52 @@ struct ar9170_rxstream_mpdu_merge {
 	bool has_plcp;
 };
 
+#define AR9170_NUM_MAX_BA_RETRY	5
+#define AR9170_NUM_TID	16
+#define WME_BA_BMP_SIZE         64
+#define AR9170_NUM_MAX_AGG_LEN	(2 * WME_BA_BMP_SIZE)
+
+#define WME_AC_BE   2
+#define WME_AC_BK   3
+#define WME_AC_VI   1
+#define WME_AC_VO   0
+
+#define TID_TO_WME_AC(_tid)				\
+	((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE :	\
+	 (((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK :	\
+	 (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI :	\
+	 WME_AC_VO)
+
+#define BAW_WITHIN(_start, _bawsz, _seqno) \
+	((((_seqno) - (_start)) & 0xfff) < (_bawsz))
+
+enum ar9170_tid_state {
+	AR9170_TID_STATE_INVALID,
+	AR9170_TID_STATE_SHUTDOWN,
+	AR9170_TID_STATE_PROGRESS,
+	AR9170_TID_STATE_COMPLETE,
+};
+
+struct ar9170_sta_tid {
+	struct list_head list;
+	struct sk_buff_head queue;
+	u8 addr[ETH_ALEN];
+	u16 ssn;
+	u16 tid;
+	enum ar9170_tid_state state;
+	bool active;
+	u8 retry;
+};
+
 #define AR9170_QUEUE_TIMEOUT		64
 #define AR9170_TX_TIMEOUT		8
+#define AR9170_BA_TIMEOUT		4
 #define AR9170_JANITOR_DELAY		128
 #define AR9170_TX_INVALID_RATE		0xffffffff
 
+#define AR9170_NUM_TX_STATUS		128
+#define AR9170_NUM_TX_AGG_MAX		30
+
 struct ar9170 {
 	struct ieee80211_hw *hw;
 	struct mutex mutex;
@@ -187,14 +228,25 @@ struct ar9170 {
 	struct sk_buff_head tx_pending[__AR9170_NUM_TXQ];
 	struct sk_buff_head tx_status[__AR9170_NUM_TXQ];
 	struct delayed_work tx_janitor;
+	/* tx ampdu */
+	struct sk_buff_head tx_status_ampdu;
+	spinlock_t tx_ampdu_list_lock;
+	struct list_head tx_ampdu_list;
+	unsigned int tx_ampdu_pending;
 
 	/* rxstream mpdu merge */
 	struct ar9170_rxstream_mpdu_merge rx_mpdu;
 	struct sk_buff *rx_failover;
 	int rx_failover_missing;
+
+	/* (cached) HW A-MPDU settings */
+	u8 global_ampdu_density;
+	u8 global_ampdu_factor;
 };
 
 struct ar9170_sta_info {
+	struct ar9170_sta_tid agg[AR9170_NUM_TID];
+	unsigned int ampdu_max_len;
 };
 
 #define AR9170_TX_FLAG_WAIT_FOR_ACK	BIT(0)

drivers/net/wireless/ath/ar9170/main.c

@@ -49,6 +49,10 @@ static int modparam_nohwcrypt;
 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
 
+static int modparam_ht;
+module_param_named(ht, modparam_ht, bool, S_IRUGO);
+MODULE_PARM_DESC(ht, "enable MPDU aggregation.");
+
 #define RATE(_bitrate, _hw_rate, _txpidx, _flags) {	\
 	.bitrate	= (_bitrate),			\
 	.flags		= (_flags),			\
@@ -148,12 +152,15 @@ static struct ieee80211_channel ar9170_5ghz_chantable[] = {
 	.cap		= IEEE80211_HT_CAP_MAX_AMSDU |			\
 			  IEEE80211_HT_CAP_SUP_WIDTH_20_40 |		\
 			  IEEE80211_HT_CAP_SGI_40 |			\
+			  IEEE80211_HT_CAP_GRN_FLD |			\
 			  IEEE80211_HT_CAP_DSSSCCK40 |			\
 			  IEEE80211_HT_CAP_SM_PS,			\
 	.ampdu_factor	= 3,						\
 	.ampdu_density	= 6,						\
 	.mcs		= {						\
-		.rx_mask = { 0xFF, 0xFF, 0, 0, 0, 0, 0, 0, 0, 0, },	\
+		.rx_mask = { 0xff, 0xff, 0, 0, 0x1, 0, 0, 0, 0, 0, },	\
+		.rx_highest = cpu_to_le16(300),				\
+		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,		\
 	},								\
 }
 
@@ -174,8 +181,31 @@ static struct ieee80211_supported_band ar9170_band_5GHz = {
 };
 
 static void ar9170_tx(struct ar9170 *ar);
+static bool ar9170_tx_ampdu(struct ar9170 *ar);
 
-#ifdef AR9170_QUEUE_DEBUG
+static inline u16 ar9170_get_seq_h(struct ieee80211_hdr *hdr)
+{
+	return le16_to_cpu(hdr->seq_ctrl) >> 4;
+}
+
+static inline u16 ar9170_get_seq(struct sk_buff *skb)
+{
+	struct ar9170_tx_control *txc = (void *) skb->data;
+	return ar9170_get_seq_h((void *) txc->frame_data);
+}
+
+static inline u16 ar9170_get_tid(struct sk_buff *skb)
+{
+	struct ar9170_tx_control *txc = (void *) skb->data;
+	struct ieee80211_hdr *hdr = (void *) txc->frame_data;
+
+	return (ieee80211_get_qos_ctl(hdr))[0] & IEEE80211_QOS_CTL_TID_MASK;
+}
+
+#define GET_NEXT_SEQ(seq)	((seq + 1) & 0x0fff)
+#define GET_NEXT_SEQ_FROM_SKB(skb)	(GET_NEXT_SEQ(ar9170_get_seq(skb)))
+
+#if (defined AR9170_QUEUE_DEBUG) || (defined AR9170_TXAGG_DEBUG)
 static void ar9170_print_txheader(struct ar9170 *ar, struct sk_buff *skb)
 {
 	struct ar9170_tx_control *txc = (void *) skb->data;
@@ -183,10 +213,10 @@ static void ar9170_print_txheader(struct ar9170 *ar, struct sk_buff *skb)
 	struct ar9170_tx_info *arinfo = (void *) txinfo->rate_driver_data;
 	struct ieee80211_hdr *hdr = (void *) txc->frame_data;
 
-	printk(KERN_DEBUG "%s: => FRAME [skb:%p, q:%d, DA:[%pM] flags:%x "
+	printk(KERN_DEBUG "%s: => FRAME [skb:%p, q:%d, DA:[%pM] flags:%x s:%d "
 			  "mac_ctrl:%04x, phy_ctrl:%08x, timeout:[%d ms]]\n",
 	       wiphy_name(ar->hw->wiphy), skb, skb_get_queue_mapping(skb),
-	       ieee80211_get_DA(hdr), arinfo->flags,
+	       ieee80211_get_DA(hdr), arinfo->flags, ar9170_get_seq_h(hdr),
 	       le16_to_cpu(txc->mac_control), le32_to_cpu(txc->phy_control),
 	       jiffies_to_msecs(arinfo->timeout - jiffies));
 }
@@ -210,7 +240,9 @@ static void __ar9170_dump_txqueue(struct ar9170 *ar,
 		       "mismatch %d != %d\n", skb_queue_len(queue), i);
 	printk(KERN_DEBUG "---[ end ]---\n");
 }
+#endif /* AR9170_QUEUE_DEBUG || AR9170_TXAGG_DEBUG */
 
+#ifdef AR9170_QUEUE_DEBUG
 static void ar9170_dump_txqueue(struct ar9170 *ar,
 				struct sk_buff_head *queue)
 {
@@ -220,7 +252,9 @@ static void ar9170_dump_txqueue(struct ar9170 *ar,
 	__ar9170_dump_txqueue(ar, queue);
 	spin_unlock_irqrestore(&queue->lock, flags);
 }
+#endif /* AR9170_QUEUE_DEBUG */
 
+#ifdef AR9170_QUEUE_STOP_DEBUG
 static void __ar9170_dump_txstats(struct ar9170 *ar)
 {
 	int i;
@@ -229,20 +263,27 @@ static void __ar9170_dump_txstats(struct ar9170 *ar)
 	       wiphy_name(ar->hw->wiphy));
 
 	for (i = 0; i < __AR9170_NUM_TXQ; i++)
-		printk(KERN_DEBUG "%s: queue:%d limit:%d len:%d waitack:%d\n",
-		       wiphy_name(ar->hw->wiphy), i, ar->tx_stats[i].limit,
-		       ar->tx_stats[i].len, skb_queue_len(&ar->tx_status[i]));
+		printk(KERN_DEBUG "%s: queue:%d limit:%d len:%d waitack:%d "
+		       " stopped:%d\n", wiphy_name(ar->hw->wiphy), i,
+		       ar->tx_stats[i].limit, ar->tx_stats[i].len,
+		       skb_queue_len(&ar->tx_status[i]),
+		       ieee80211_queue_stopped(ar->hw, i));
 }
+#endif /* AR9170_QUEUE_STOP_DEBUG */
 
-static void ar9170_dump_txstats(struct ar9170 *ar)
+#ifdef AR9170_TXAGG_DEBUG
+static void ar9170_dump_tx_status_ampdu(struct ar9170 *ar)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&ar->tx_stats_lock, flags);
-	__ar9170_dump_txstats(ar);
-	spin_unlock_irqrestore(&ar->tx_stats_lock, flags);
+	spin_lock_irqsave(&ar->tx_status_ampdu.lock, flags);
+	printk(KERN_DEBUG "%s: A-MPDU tx_status queue => \n",
+	       wiphy_name(ar->hw->wiphy));
+	__ar9170_dump_txqueue(ar, &ar->tx_status_ampdu);
+	spin_unlock_irqrestore(&ar->tx_status_ampdu.lock, flags);
 }
-#endif /* AR9170_QUEUE_DEBUG */
+
+#endif /* AR9170_TXAGG_DEBUG */
 
 /* caller must guarantee exclusive access for _bin_ queue. */
 static void ar9170_recycle_expired(struct ar9170 *ar,
@@ -315,6 +356,70 @@ static void ar9170_tx_status(struct ar9170 *ar, struct sk_buff *skb,
 	ieee80211_tx_status_irqsafe(ar->hw, skb);
 }
 
+static void ar9170_tx_fake_ampdu_status(struct ar9170 *ar)
+{
+	struct sk_buff_head success;
+	struct sk_buff *skb;
+	unsigned int i;
+	unsigned long queue_bitmap = 0;
+
+	skb_queue_head_init(&success);
+
+	while (skb_queue_len(&ar->tx_status_ampdu) > AR9170_NUM_TX_STATUS)
+		__skb_queue_tail(&success, skb_dequeue(&ar->tx_status_ampdu));
+
+	ar9170_recycle_expired(ar, &ar->tx_status_ampdu, &success);
+
+#ifdef AR9170_TXAGG_DEBUG
+	printk(KERN_DEBUG "%s: collected %d A-MPDU frames.\n",
+	       wiphy_name(ar->hw->wiphy), skb_queue_len(&success));
+	__ar9170_dump_txqueue(ar, &success);
+#endif /* AR9170_TXAGG_DEBUG */
+
+	while ((skb = __skb_dequeue(&success))) {
+		struct ieee80211_tx_info *txinfo;
+
+		queue_bitmap |= BIT(skb_get_queue_mapping(skb));
+
+		txinfo = IEEE80211_SKB_CB(skb);
+		ieee80211_tx_info_clear_status(txinfo);
+
+		txinfo->flags |= IEEE80211_TX_STAT_ACK;
+		txinfo->status.rates[0].count = 1;
+
+		skb_pull(skb, sizeof(struct ar9170_tx_control));
+		ieee80211_tx_status_irqsafe(ar->hw, skb);
+	}
+
+	for_each_bit(i, &queue_bitmap, BITS_PER_BYTE) {
+#ifdef AR9170_QUEUE_STOP_DEBUG
+		printk(KERN_DEBUG "%s: wake queue %d\n",
+		       wiphy_name(ar->hw->wiphy), i);
+		__ar9170_dump_txstats(ar);
+#endif /* AR9170_QUEUE_STOP_DEBUG */
+		ieee80211_wake_queue(ar->hw, i);
+	}
+
+	if (queue_bitmap)
+		ar9170_tx(ar);
+}
+
+static void ar9170_tx_ampdu_callback(struct ar9170 *ar, struct sk_buff *skb)
+{
+	struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb);
+	struct ar9170_tx_info *arinfo = (void *) txinfo->rate_driver_data;
+
+	arinfo->timeout = jiffies +
+			  msecs_to_jiffies(AR9170_BA_TIMEOUT);
+
+	skb_queue_tail(&ar->tx_status_ampdu, skb);
+	ar9170_tx_fake_ampdu_status(ar);
+	ar->tx_ampdu_pending--;
+
+	if (!list_empty(&ar->tx_ampdu_list) && !ar->tx_ampdu_pending)
+		ar9170_tx_ampdu(ar);
+}
+
 void ar9170_tx_callback(struct ar9170 *ar, struct sk_buff *skb)
 {
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -336,7 +441,7 @@ void ar9170_tx_callback(struct ar9170 *ar, struct sk_buff *skb)
 	spin_unlock_irqrestore(&ar->tx_stats_lock, flags);
 
 	if (arinfo->flags & AR9170_TX_FLAG_BLOCK_ACK) {
-		dev_kfree_skb_any(skb);
+		ar9170_tx_ampdu_callback(ar, skb);
 	} else if (arinfo->flags & AR9170_TX_FLAG_WAIT_FOR_ACK) {
 		arinfo->timeout = jiffies +
 				  msecs_to_jiffies(AR9170_TX_TIMEOUT);
@@ -420,6 +525,38 @@ static struct sk_buff *ar9170_get_queued_skb(struct ar9170 *ar,
 	return NULL;
 }
 
+static void ar9170_handle_block_ack(struct ar9170 *ar, u16 count, u16 r)
+{
+	struct sk_buff *skb;
+	struct ieee80211_tx_info *txinfo;
+
+	while (count) {
+		skb = ar9170_get_queued_skb(ar, NULL, &ar->tx_status_ampdu, r);
+		if (!skb)
+			break;
+
+		txinfo = IEEE80211_SKB_CB(skb);
+		ieee80211_tx_info_clear_status(txinfo);
+
+		/* FIXME: maybe more ? */
+		txinfo->status.rates[0].count = 1;
+
+		skb_pull(skb, sizeof(struct ar9170_tx_control));
+		ieee80211_tx_status_irqsafe(ar->hw, skb);
+		count--;
+	}
+
+#ifdef AR9170_TXAGG_DEBUG
+	if (count) {
+		printk(KERN_DEBUG "%s: got %d more failed mpdus, but no more "
+		       "suitable frames left in tx_status queue.\n",
+		       wiphy_name(ar->hw->wiphy), count);
+
+		ar9170_dump_tx_status_ampdu(ar);
+	}
+#endif /* AR9170_TXAGG_DEBUG */
+}
+
 /*
  * This worker tries to keeps an maintain tx_status queues.
  * So we can guarantee that incoming tx_status reports are
@@ -456,6 +593,8 @@ static void ar9170_tx_janitor(struct work_struct *work)
 			resched = true;
 	}
 
+	ar9170_tx_fake_ampdu_status(ar);
+
 	if (resched)
 		queue_delayed_work(ar->hw->workqueue,
 				   &ar->tx_janitor,
@@ -528,8 +667,15 @@ void ar9170_handle_command_response(struct ar9170 *ar, void *buf, u32 len)
 		break;
 
 	case 0xc4:
+		/* BlockACK bitmap */
+		break;
+
 	case 0xc5:
 		/* BlockACK events */
+		ar9170_handle_block_ack(ar,
+					le16_to_cpu(cmd->ba_fail_cnt.failed),
+					le16_to_cpu(cmd->ba_fail_cnt.rate));
+		ar9170_tx_fake_ampdu_status(ar);
 		break;
 
 	case 0xc6:
@@ -1098,6 +1244,10 @@ static int ar9170_op_start(struct ieee80211_hw *hw)
 	AR9170_FILL_QUEUE(ar->edcf[3], 2, 3,     7, 47); /* VOICE */
 	AR9170_FILL_QUEUE(ar->edcf[4], 2, 3,     7,  0); /* SPECIAL */
 
+	/* set sane AMPDU defaults */
+	ar->global_ampdu_density = 6;
+	ar->global_ampdu_factor = 3;
+
 	ar->bad_hw_nagger = jiffies;
 
 	err = ar->open(ar);
@@ -1143,6 +1293,7 @@ static void ar9170_op_stop(struct ieee80211_hw *hw)
 	flush_workqueue(ar->hw->workqueue);
 
 	cancel_delayed_work_sync(&ar->tx_janitor);
+	cancel_delayed_work_sync(&ar->led_work);
 	cancel_work_sync(&ar->filter_config_work);
 	cancel_work_sync(&ar->beacon_work);
 	mutex_lock(&ar->mutex);
@@ -1159,9 +1310,40 @@ static void ar9170_op_stop(struct ieee80211_hw *hw)
 		skb_queue_purge(&ar->tx_pending[i]);
 		skb_queue_purge(&ar->tx_status[i]);
 	}
+	skb_queue_purge(&ar->tx_status_ampdu);
+
 	mutex_unlock(&ar->mutex);
 }
 
+static void ar9170_tx_indicate_immba(struct ar9170 *ar, struct sk_buff *skb)
+{
+	struct ar9170_tx_control *txc = (void *) skb->data;
+
+	txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_IMM_AMPDU);
+}
+
+static void ar9170_tx_copy_phy(struct ar9170 *ar, struct sk_buff *dst,
+			       struct sk_buff *src)
+{
+	struct ar9170_tx_control *dst_txc, *src_txc;
+	struct ieee80211_tx_info *dst_info, *src_info;
+	struct ar9170_tx_info *dst_arinfo, *src_arinfo;
+
+	src_txc = (void *) src->data;
+	src_info = IEEE80211_SKB_CB(src);
+	src_arinfo = (void *) src_info->rate_driver_data;
+
+	dst_txc = (void *) dst->data;
+	dst_info = IEEE80211_SKB_CB(dst);
+	dst_arinfo = (void *) dst_info->rate_driver_data;
+
+	dst_txc->phy_control = src_txc->phy_control;
+
+	/* same MCS for the whole aggregate */
+	memcpy(dst_info->driver_rates, src_info->driver_rates,
+	       sizeof(dst_info->driver_rates));
+}
+
 static int ar9170_tx_prepare(struct ar9170 *ar, struct sk_buff *skb)
 {
 	struct ieee80211_hdr *hdr;
@@ -1230,6 +1412,7 @@ static int ar9170_tx_prepare(struct ar9170 *ar, struct sk_buff *skb)
 
 			txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_AGGR);
 			arinfo->flags = AR9170_TX_FLAG_BLOCK_ACK;
+
 			goto out;
 		}
 
@@ -1360,6 +1543,159 @@ static void ar9170_tx_prepare_phy(struct ar9170 *ar, struct sk_buff *skb)
 	txc->phy_control |= cpu_to_le32(chains << AR9170_TX_PHY_TXCHAIN_SHIFT);
 }
 
+static bool ar9170_tx_ampdu(struct ar9170 *ar)
+{
+	struct sk_buff_head agg;
+	struct ar9170_sta_tid *tid_info = NULL, *tmp;
+	struct sk_buff *skb, *first = NULL;
+	unsigned long flags, f2;
+	unsigned int i = 0;
+	u16 seq, queue, tmpssn;
+	bool run = false;
+
+	skb_queue_head_init(&agg);
+
+	spin_lock_irqsave(&ar->tx_ampdu_list_lock, flags);
+	if (list_empty(&ar->tx_ampdu_list)) {
+#ifdef AR9170_TXAGG_DEBUG
+		printk(KERN_DEBUG "%s: aggregation list is empty.\n",
+		       wiphy_name(ar->hw->wiphy));
+#endif /* AR9170_TXAGG_DEBUG */
+		goto out_unlock;
+	}
+
+	list_for_each_entry_safe(tid_info, tmp, &ar->tx_ampdu_list, list) {
+		if (tid_info->state != AR9170_TID_STATE_COMPLETE) {
+#ifdef AR9170_TXAGG_DEBUG
+			printk(KERN_DEBUG "%s: dangling aggregation entry!\n",
+			       wiphy_name(ar->hw->wiphy));
+#endif /* AR9170_TXAGG_DEBUG */
+			continue;
+		}
+
+		if (++i > 64) {
+#ifdef AR9170_TXAGG_DEBUG
+			printk(KERN_DEBUG "%s: enough frames aggregated.\n",
+			       wiphy_name(ar->hw->wiphy));
+#endif /* AR9170_TXAGG_DEBUG */
+			break;
+		}
+
+		queue = TID_TO_WME_AC(tid_info->tid);
+
+		if (skb_queue_len(&ar->tx_pending[queue]) >=
+		    AR9170_NUM_TX_AGG_MAX) {
+#ifdef AR9170_TXAGG_DEBUG
+			printk(KERN_DEBUG "%s: queue %d full.\n",
+			       wiphy_name(ar->hw->wiphy), queue);
+#endif /* AR9170_TXAGG_DEBUG */
+			continue;
+		}
+
+		list_del_init(&tid_info->list);
+
+		spin_lock_irqsave(&tid_info->queue.lock, f2);
+		tmpssn = seq = tid_info->ssn;
+		first = skb_peek(&tid_info->queue);
+
+		if (likely(first))
+			tmpssn = ar9170_get_seq(first);
+
+		if (unlikely(tmpssn != seq)) {
+#ifdef AR9170_TXAGG_DEBUG
+			printk(KERN_DEBUG "%s: ssn mismatch [%d != %d]\n.",
+			       wiphy_name(ar->hw->wiphy), seq, tmpssn);
+#endif /* AR9170_TXAGG_DEBUG */
+			tid_info->ssn = tmpssn;
+		}
+
+#ifdef AR9170_TXAGG_DEBUG
+		printk(KERN_DEBUG "%s: generate A-MPDU for tid:%d ssn:%d with "
+		       "%d queued frames.\n", wiphy_name(ar->hw->wiphy),
+		       tid_info->tid, tid_info->ssn,
+		       skb_queue_len(&tid_info->queue));
+		__ar9170_dump_txqueue(ar, &tid_info->queue);
+#endif /* AR9170_TXAGG_DEBUG */
+
+		while ((skb = skb_peek(&tid_info->queue))) {
+			if (unlikely(ar9170_get_seq(skb) != seq))
+				break;
+
+			__skb_unlink(skb, &tid_info->queue);
+			tid_info->ssn = seq = GET_NEXT_SEQ(seq);
+
+			if (unlikely(skb_get_queue_mapping(skb) != queue)) {
+#ifdef AR9170_TXAGG_DEBUG
+				printk(KERN_DEBUG "%s: tid:%d(q:%d) queue:%d "
+				       "!match.\n", wiphy_name(ar->hw->wiphy),
+				       tid_info->tid,
+				       TID_TO_WME_AC(tid_info->tid),
+				       skb_get_queue_mapping(skb));
+#endif /* AR9170_TXAGG_DEBUG */
+					dev_kfree_skb_any(skb);
+					continue;
+			}
+
+			if (unlikely(first == skb)) {
+				ar9170_tx_prepare_phy(ar, skb);
+				__skb_queue_tail(&agg, skb);
+				first = skb;
+			} else {
+				ar9170_tx_copy_phy(ar, skb, first);
+				__skb_queue_tail(&agg, skb);
+			}
+
+			if (unlikely(skb_queue_len(&agg) ==
+			    AR9170_NUM_TX_AGG_MAX))
+				break;
+		}
+
+		if (skb_queue_empty(&tid_info->queue))
+			tid_info->active = false;
+		else
+			list_add_tail(&tid_info->list,
+				      &ar->tx_ampdu_list);
+
+		spin_unlock_irqrestore(&tid_info->queue.lock, f2);
+
+		if (unlikely(skb_queue_empty(&agg))) {
+#ifdef AR9170_TXAGG_DEBUG
+			printk(KERN_DEBUG "%s: queued empty list!\n",
+			       wiphy_name(ar->hw->wiphy));
+#endif /* AR9170_TXAGG_DEBUG */
+			continue;
+		}
+
+		/*
+		 * tell the FW/HW that this is the last frame,
+		 * that way it will wait for the immediate block ack.
+		 */
+		if (likely(skb_peek_tail(&agg)))
+			ar9170_tx_indicate_immba(ar, skb_peek_tail(&agg));
+
+#ifdef AR9170_TXAGG_DEBUG
+		printk(KERN_DEBUG "%s: generated A-MPDU looks like this:\n",
+		       wiphy_name(ar->hw->wiphy));
+		__ar9170_dump_txqueue(ar, &agg);
+#endif /* AR9170_TXAGG_DEBUG */
+
+		spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags);
+
+		spin_lock_irqsave(&ar->tx_pending[queue].lock, flags);
+		skb_queue_splice_tail_init(&agg, &ar->tx_pending[queue]);
+		spin_unlock_irqrestore(&ar->tx_pending[queue].lock, flags);
+		run = true;
+
+		spin_lock_irqsave(&ar->tx_ampdu_list_lock, flags);
+	}
+
+out_unlock:
+	spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags);
+	__skb_queue_purge(&agg);
+
+	return run;
+}
+
 static void ar9170_tx(struct ar9170 *ar)
 {
 	struct sk_buff *skb;
@@ -1384,11 +1720,17 @@ static void ar9170_tx(struct ar9170 *ar)
 			printk(KERN_DEBUG "%s: queue %d full\n",
 			       wiphy_name(ar->hw->wiphy), i);
 
-			__ar9170_dump_txstats(ar);
-			printk(KERN_DEBUG "stuck frames: ===> \n");
+			printk(KERN_DEBUG "%s: stuck frames: ===> \n",
+			       wiphy_name(ar->hw->wiphy));
 			ar9170_dump_txqueue(ar, &ar->tx_pending[i]);
 			ar9170_dump_txqueue(ar, &ar->tx_status[i]);
 #endif /* AR9170_QUEUE_DEBUG */
+
+#ifdef AR9170_QUEUE_STOP_DEBUG
+			printk(KERN_DEBUG "%s: stop queue %d\n",
+			       wiphy_name(ar->hw->wiphy), i);
+			__ar9170_dump_txstats(ar);
+#endif /* AR9170_QUEUE_STOP_DEBUG */
 			ieee80211_stop_queue(ar->hw, i);
 			spin_unlock_irqrestore(&ar->tx_stats_lock, flags);
 			continue;
@@ -1403,8 +1745,6 @@ static void ar9170_tx(struct ar9170 *ar)
 			       "remaining slots:%d, needed:%d\n",
 			       wiphy_name(ar->hw->wiphy), i, remaining_space,
 			       frames);
-
-			ar9170_dump_txstats(ar);
 #endif /* AR9170_QUEUE_DEBUG */
 			frames = remaining_space;
 		}
@@ -1432,6 +1772,9 @@ static void ar9170_tx(struct ar9170 *ar)
 			arinfo->timeout = jiffies +
 					  msecs_to_jiffies(AR9170_TX_TIMEOUT);
 
+			if (arinfo->flags == AR9170_TX_FLAG_BLOCK_ACK)
+				ar->tx_ampdu_pending++;
+
 #ifdef AR9170_QUEUE_DEBUG
 			printk(KERN_DEBUG "%s: send frame q:%d =>\n",
 			       wiphy_name(ar->hw->wiphy), i);
@@ -1440,6 +1783,9 @@ static void ar9170_tx(struct ar9170 *ar)
 
 			err = ar->tx(ar, skb);
 			if (unlikely(err)) {
+				if (arinfo->flags == AR9170_TX_FLAG_BLOCK_ACK)
+					ar->tx_ampdu_pending--;
+
 				frames_failed++;
 				dev_kfree_skb_any(skb);
 			} else {
@@ -1461,13 +1807,18 @@ static void ar9170_tx(struct ar9170 *ar)
 
 		if (unlikely(frames_failed)) {
 #ifdef AR9170_QUEUE_DEBUG
-			printk(KERN_DEBUG "%s: frames failed =>\n",
+			printk(KERN_DEBUG "%s: frames failed %d =>\n",
 			       wiphy_name(ar->hw->wiphy), frames_failed);
 #endif /* AR9170_QUEUE_DEBUG */
 
 			spin_lock_irqsave(&ar->tx_stats_lock, flags);
 			ar->tx_stats[i].len -= frames_failed;
 			ar->tx_stats[i].count -= frames_failed;
+#ifdef AR9170_QUEUE_STOP_DEBUG
+			printk(KERN_DEBUG "%s: wake queue %d\n",
+			       wiphy_name(ar->hw->wiphy), i);
+			__ar9170_dump_txstats(ar);
+#endif /* AR9170_QUEUE_STOP_DEBUG */
 			ieee80211_wake_queue(ar->hw, i);
 			spin_unlock_irqrestore(&ar->tx_stats_lock, flags);
 		}
@@ -1479,6 +1830,90 @@ static void ar9170_tx(struct ar9170 *ar)
 				   msecs_to_jiffies(AR9170_JANITOR_DELAY));
 }
 
+static bool ar9170_tx_ampdu_queue(struct ar9170 *ar, struct sk_buff *skb)
+{
+	struct ieee80211_tx_info *txinfo;
+	struct ar9170_sta_info *sta_info;
+	struct ar9170_sta_tid *agg;
+	struct sk_buff *iter;
+	unsigned long flags, f2;
+	unsigned int max;
+	u16 tid, seq, qseq;
+	bool run = false, queue = false;
+
+	tid = ar9170_get_tid(skb);
+	seq = ar9170_get_seq(skb);
+	txinfo = IEEE80211_SKB_CB(skb);
+	sta_info = (void *) txinfo->control.sta->drv_priv;
+	agg = &sta_info->agg[tid];
+	max = sta_info->ampdu_max_len;
+
+	spin_lock_irqsave(&ar->tx_ampdu_list_lock, flags);
+
+	if (unlikely(agg->state != AR9170_TID_STATE_COMPLETE)) {
+#ifdef AR9170_TXAGG_DEBUG
+		printk(KERN_DEBUG "%s: BlockACK session not fully initialized "
+		       "for ESS:%pM tid:%d state:%d.\n",
+		       wiphy_name(ar->hw->wiphy), agg->addr, agg->tid,
+		       agg->state);
+#endif /* AR9170_TXAGG_DEBUG */
+		goto err_unlock;
+	}
+
+	if (!agg->active) {
+		agg->active = true;
+		agg->ssn = seq;
+		queue = true;
+	}
+
+	/* check if seq is within the BA window */
+	if (unlikely(!BAW_WITHIN(agg->ssn, max, seq))) {
+#ifdef AR9170_TXAGG_DEBUG
+		printk(KERN_DEBUG "%s: frame with tid:%d seq:%d does not "
+		       "fit into BA window (%d - %d)\n",
+		       wiphy_name(ar->hw->wiphy), tid, seq, agg->ssn,
+		       (agg->ssn + max) & 0xfff);
+#endif /* AR9170_TXAGG_DEBUG */
+		goto err_unlock;
+	}
+
+	spin_lock_irqsave(&agg->queue.lock, f2);
+
+	skb_queue_reverse_walk(&agg->queue, iter) {
+		qseq = ar9170_get_seq(iter);
+
+		if (GET_NEXT_SEQ(qseq) == seq) {
+			__skb_queue_after(&agg->queue, iter, skb);
+			goto queued;
+		}
+	}
+
+	__skb_queue_head(&agg->queue, skb);
+
+queued:
+	spin_unlock_irqrestore(&agg->queue.lock, f2);
+
+#ifdef AR9170_TXAGG_DEBUG
+	printk(KERN_DEBUG "%s: new aggregate %p queued.\n",
+	       wiphy_name(ar->hw->wiphy), skb);
+	__ar9170_dump_txqueue(ar, &agg->queue);
+#endif /* AR9170_TXAGG_DEBUG */
+
+	if (skb_queue_len(&agg->queue) >= AR9170_NUM_TX_AGG_MAX)
+		run = true;
+
+	if (queue)
+		list_add_tail(&agg->list, &ar->tx_ampdu_list);
+
+	spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags);
+	return run;
+
+err_unlock:
+	spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags);
+	dev_kfree_skb_irq(skb);
+	return false;
+}
+
 int ar9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 {
 	struct ar9170 *ar = hw->priv;
@@ -1492,8 +1927,10 @@ int ar9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 	info = IEEE80211_SKB_CB(skb);
 	if (info->flags & IEEE80211_TX_CTL_AMPDU) {
-		/* drop frame, we do not allow TX A-MPDU aggregation yet. */
-		goto err_free;
+		bool run = ar9170_tx_ampdu_queue(ar, skb);
+
+		if (run || !ar->tx_ampdu_pending)
+			ar9170_tx_ampdu(ar);
 	} else {
 		unsigned int queue = skb_get_queue_mapping(skb);
 
@@ -1931,6 +2368,53 @@ static void ar9170_sta_notify(struct ieee80211_hw *hw,
 			      enum sta_notify_cmd cmd,
 			      struct ieee80211_sta *sta)
 {
+	struct ar9170 *ar = hw->priv;
+	struct ar9170_sta_info *sta_info = (void *) sta->drv_priv;
+	unsigned int i;
+
+	switch (cmd) {
+	case STA_NOTIFY_ADD:
+		memset(sta_info, 0, sizeof(*sta_info));
+
+		if (!sta->ht_cap.ht_supported)
+			break;
+
+		if (sta->ht_cap.ampdu_density > ar->global_ampdu_density)
+			ar->global_ampdu_density = sta->ht_cap.ampdu_density;
+
+		if (sta->ht_cap.ampdu_factor < ar->global_ampdu_factor)
+			ar->global_ampdu_factor = sta->ht_cap.ampdu_factor;
+
+		for (i = 0; i < AR9170_NUM_TID; i++) {
+			sta_info->agg[i].state = AR9170_TID_STATE_SHUTDOWN;
+			sta_info->agg[i].active = false;
+			sta_info->agg[i].ssn = 0;
+			sta_info->agg[i].retry = 0;
+			sta_info->agg[i].tid = i;
+			INIT_LIST_HEAD(&sta_info->agg[i].list);
+			skb_queue_head_init(&sta_info->agg[i].queue);
+		}
+
+		sta_info->ampdu_max_len = 1 << (3 + sta->ht_cap.ampdu_factor);
+		break;
+
+	case STA_NOTIFY_REMOVE:
+		if (!sta->ht_cap.ht_supported)
+			break;
+
+		for (i = 0; i < AR9170_NUM_TID; i++) {
+			sta_info->agg[i].state = AR9170_TID_STATE_INVALID;
+			skb_queue_purge(&sta_info->agg[i].queue);
+		}
+
+		break;
+
+	default:
+		break;
+	}
+
+	if (IS_STARTED(ar) && ar->filter_changed)
+		queue_work(ar->hw->workqueue, &ar->filter_config_work);
 }
 
 static int ar9170_get_stats(struct ieee80211_hw *hw,
@@ -1985,18 +2469,65 @@ static int ar9170_ampdu_action(struct ieee80211_hw *hw,
 			       enum ieee80211_ampdu_mlme_action action,
 			       struct ieee80211_sta *sta, u16 tid, u16 *ssn)
 {
+	struct ar9170 *ar = hw->priv;
+	struct ar9170_sta_info *sta_info = (void *) sta->drv_priv;
+	struct ar9170_sta_tid *tid_info = &sta_info->agg[tid];
+	unsigned long flags;
+
+	if (!modparam_ht)
+		return -EOPNOTSUPP;
+
 	switch (action) {
+	case IEEE80211_AMPDU_TX_START:
+		spin_lock_irqsave(&ar->tx_ampdu_list_lock, flags);
+		if (tid_info->state != AR9170_TID_STATE_SHUTDOWN ||
+		    !list_empty(&tid_info->list)) {
+			spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags);
+#ifdef AR9170_TXAGG_DEBUG
+			printk(KERN_INFO "%s: A-MPDU [ESS:[%pM] tid:[%d]] "
+			       "is in a very bad state!\n",
+			       wiphy_name(hw->wiphy), sta->addr, tid);
+#endif /* AR9170_TXAGG_DEBUG */
+			return -EBUSY;
+		}
+
+		*ssn = tid_info->ssn;
+		tid_info->state = AR9170_TID_STATE_PROGRESS;
+		tid_info->active = false;
+		spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags);
+		ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+		break;
+
+	case IEEE80211_AMPDU_TX_STOP:
+		spin_lock_irqsave(&ar->tx_ampdu_list_lock, flags);
+		tid_info->state = AR9170_TID_STATE_SHUTDOWN;
+		list_del_init(&tid_info->list);
+		tid_info->active = false;
+		skb_queue_purge(&tid_info->queue);
+		spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags);
+		ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+		break;
+
+	case IEEE80211_AMPDU_TX_OPERATIONAL:
+#ifdef AR9170_TXAGG_DEBUG
+		printk(KERN_INFO "%s: A-MPDU for %pM [tid:%d] Operational.\n",
+		       wiphy_name(hw->wiphy), sta->addr, tid);
+#endif /* AR9170_TXAGG_DEBUG */
+		spin_lock_irqsave(&ar->tx_ampdu_list_lock, flags);
+		sta_info->agg[tid].state = AR9170_TID_STATE_COMPLETE;
+		spin_unlock_irqrestore(&ar->tx_ampdu_list_lock, flags);
+		break;
+
 	case IEEE80211_AMPDU_RX_START:
 	case IEEE80211_AMPDU_RX_STOP:
-		/*
-		 * Something goes wrong -- RX locks up
-		 * after a while of receiving aggregated
-		 * frames -- not enabling for now.
-		 */
-		return -EOPNOTSUPP;
+		/* Handled by firmware */
+		break;
+
 	default:
 		return -EOPNOTSUPP;
 	}
+
+	return 0;
 }
 
 static const struct ieee80211_ops ar9170_ops = {
@@ -2045,6 +2576,8 @@ void *ar9170_alloc(size_t priv_size)
 	mutex_init(&ar->mutex);
 	spin_lock_init(&ar->cmdlock);
 	spin_lock_init(&ar->tx_stats_lock);
+	spin_lock_init(&ar->tx_ampdu_list_lock);
+	skb_queue_head_init(&ar->tx_status_ampdu);
 	for (i = 0; i < __AR9170_NUM_TXQ; i++) {
 		skb_queue_head_init(&ar->tx_status[i]);
 		skb_queue_head_init(&ar->tx_pending[i]);
@@ -2053,6 +2586,7 @@ void *ar9170_alloc(size_t priv_size)
 	INIT_WORK(&ar->filter_config_work, ar9170_set_filters);
 	INIT_WORK(&ar->beacon_work, ar9170_new_beacon);
 	INIT_DELAYED_WORK(&ar->tx_janitor, ar9170_tx_janitor);
+	INIT_LIST_HEAD(&ar->tx_ampdu_list);
 
 	/* all hw supports 2.4 GHz, so set channel to 1 by default */
 	ar->channel = &ar9170_2ghz_chantable[0];
@@ -2066,6 +2600,13 @@ void *ar9170_alloc(size_t priv_size)
 			 IEEE80211_HW_SIGNAL_DBM |
 			 IEEE80211_HW_NOISE_DBM;
 
+	if (modparam_ht) {
+		ar->hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
+	} else {
+		ar9170_band_2GHz.ht_cap.ht_supported = false;
+		ar9170_band_5GHz.ht_cap.ht_supported = false;
+	}
+
 	ar->hw->queues = __AR9170_NUM_TXQ;
 	ar->hw->extra_tx_headroom = 8;
 	ar->hw->sta_data_size = sizeof(struct ar9170_sta_info);
@@ -2087,10 +2628,10 @@ static int ar9170_read_eeprom(struct ar9170 *ar)
 {
 #define RW	8	/* number of words to read at once */
 #define RB	(sizeof(u32) * RW)
-	DECLARE_MAC_BUF(mbuf);
 	u8 *eeprom = (void *)&ar->eeprom;
 	u8 *addr = ar->eeprom.mac_address;
 	__le32 offsets[RW];
+	unsigned int rx_streams, tx_streams, tx_params = 0;
 	int i, j, err, bands = 0;
 
 	BUILD_BUG_ON(sizeof(ar->eeprom) & 3);
@@ -2127,6 +2668,20 @@ static int ar9170_read_eeprom(struct ar9170 *ar)
 		ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &ar9170_band_5GHz;
 		bands++;
 	}
+
+	rx_streams = hweight8(ar->eeprom.rx_mask);
+	tx_streams = hweight8(ar->eeprom.tx_mask);
+
+	if (rx_streams != tx_streams)
+		tx_params = IEEE80211_HT_MCS_TX_RX_DIFF;
+
+	if (tx_streams >= 1 && tx_streams <= IEEE80211_HT_MCS_TX_MAX_STREAMS)
+		tx_params = (tx_streams - 1) <<
+			    IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT;
+
+	ar9170_band_2GHz.ht_cap.mcs.tx_params |= tx_params;
+	ar9170_band_5GHz.ht_cap.mcs.tx_params |= tx_params;
+
 	/*
 	 * I measured this, a bandswitch takes roughly
 	 * 135 ms and a frequency switch about 80.

drivers/net/wireless/ath/ath5k/reg.h

@@ -339,9 +339,9 @@
 #define AR5K_SISR2		0x008c			/* Register Address [5211+] */
 #define AR5K_SISR2_QCU_TXURN	0x000003ff	/* Mask for QCU_TXURN */
 #define	AR5K_SISR2_QCU_TXURN_S	0
-#define	AR5K_SISR2_MCABT	0x00100000	/* Master Cycle Abort */
-#define	AR5K_SISR2_SSERR	0x00200000	/* Signaled System Error */
-#define	AR5K_SISR2_DPERR	0x00400000	/* Bus parity error */
+#define	AR5K_SISR2_MCABT	0x00010000	/* Master Cycle Abort */
+#define	AR5K_SISR2_SSERR	0x00020000	/* Signaled System Error */
+#define	AR5K_SISR2_DPERR	0x00040000	/* Bus parity error */
 #define	AR5K_SISR2_TIM		0x01000000	/* [5212+] */
 #define	AR5K_SISR2_CAB_END	0x02000000	/* [5212+] */
 #define	AR5K_SISR2_DTIM_SYNC	0x04000000	/* DTIM sync lost [5212+] */
@@ -430,9 +430,9 @@
 #define AR5K_SIMR2		0x00ac			/* Register Address [5211+] */
 #define AR5K_SIMR2_QCU_TXURN	0x000003ff	/* Mask for QCU_TXURN */
 #define AR5K_SIMR2_QCU_TXURN_S	0
-#define	AR5K_SIMR2_MCABT	0x00100000	/* Master Cycle Abort */
-#define	AR5K_SIMR2_SSERR	0x00200000	/* Signaled System Error */
-#define	AR5K_SIMR2_DPERR	0x00400000	/* Bus parity error */
+#define	AR5K_SIMR2_MCABT	0x00010000	/* Master Cycle Abort */
+#define	AR5K_SIMR2_SSERR	0x00020000	/* Signaled System Error */
+#define	AR5K_SIMR2_DPERR	0x00040000	/* Bus parity error */
 #define	AR5K_SIMR2_TIM		0x01000000	/* [5212+] */
 #define	AR5K_SIMR2_CAB_END	0x02000000	/* [5212+] */
 #define	AR5K_SIMR2_DTIM_SYNC	0x04000000	/* DTIM Sync lost [5212+] */

drivers/net/wireless/ath/ath9k/ath9k.h

@@ -164,7 +164,6 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
 #define WME_NUM_TID             16
 #define ATH_TXBUF               512
 #define ATH_TXMAXTRY            13
-#define ATH_11N_TXMAXTRY        10
 #define ATH_MGT_TXMAXTRY        4
 #define WME_BA_BMP_SIZE         64
 #define WME_MAX_BA              WME_BA_BMP_SIZE
@@ -226,6 +225,8 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
 #define ATH_DS_TX_BA(_ds)          ((_ds)->ds_us.tx.ts_flags & ATH9K_TX_BA)
 #define ATH_AN_2_TID(_an, _tidno)  (&(_an)->tid[(_tidno)])
 
+#define ATH_TX_COMPLETE_POLL_INT	1000
+
 enum ATH_AGGR_STATUS {
 	ATH_AGGR_DONE,
 	ATH_AGGR_BAW_CLOSED,
@@ -241,6 +242,7 @@ struct ath_txq {
 	u8 axq_aggr_depth;
 	u32 axq_totalqueued;
 	bool stopped;
+	bool axq_tx_inprogress;
 	struct ath_buf *axq_linkbuf;
 
 	/* first desc of the last descriptor that contains CTS */
@@ -291,12 +293,28 @@ struct ath_tx_control {
 #define ATH_TX_XRETRY       0x02
 #define ATH_TX_BAR          0x04
 
+#define ATH_RSSI_LPF_LEN 		10
+#define RSSI_LPF_THRESHOLD		-20
+#define ATH9K_RSSI_BAD			0x80
+#define ATH_RSSI_EP_MULTIPLIER     (1<<7)
+#define ATH_EP_MUL(x, mul)         ((x) * (mul))
+#define ATH_RSSI_IN(x)             (ATH_EP_MUL((x), ATH_RSSI_EP_MULTIPLIER))
+#define ATH_LPF_RSSI(x, y, len) \
+    ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
+#define ATH_RSSI_LPF(x, y) do {                     			\
+    if ((y) >= RSSI_LPF_THRESHOLD)                         		\
+	x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN);  	\
+} while (0)
+#define ATH_EP_RND(x, mul) 						\
+	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
+
 struct ath_node {
 	struct ath_softc *an_sc;
 	struct ath_atx_tid tid[WME_NUM_TID];
 	struct ath_atx_ac ac[WME_NUM_AC];
 	u16 maxampdu;
 	u8 mpdudensity;
+	int last_rssi;
 };
 
 struct ath_tx {
@@ -541,6 +559,7 @@ struct ath_softc {
 	spinlock_t sc_resetlock;
 	spinlock_t sc_serial_rw;
 	spinlock_t ani_lock;
+	spinlock_t sc_pm_lock;
 	struct mutex mutex;
 
 	u8 curbssid[ETH_ALEN];
@@ -557,7 +576,7 @@ struct ath_softc {
 	u32 keymax;
 	DECLARE_BITMAP(keymap, ATH_KEYMAX);
 	u8 splitmic;
-	atomic_t ps_usecount;
+	unsigned long ps_usecount;
 	enum ath9k_int imask;
 	enum ath9k_ht_extprotspacing ht_extprotspacing;
 	enum ath9k_ht_macmode tx_chan_width;
@@ -590,6 +609,7 @@ struct ath_softc {
 #endif
 	struct ath_bus_ops *bus_ops;
 	struct ath_beacon_config cur_beacon_conf;
+	struct delayed_work tx_complete_work;
 };
 
 struct ath_wiphy {
@@ -654,27 +674,8 @@ static inline int ath_ahb_init(void) { return 0; };
 static inline void ath_ahb_exit(void) {};
 #endif
 
-static inline void ath9k_ps_wakeup(struct ath_softc *sc)
-{
-	if (atomic_inc_return(&sc->ps_usecount) == 1)
-		if (sc->sc_ah->power_mode !=  ATH9K_PM_AWAKE) {
-			sc->sc_ah->restore_mode = sc->sc_ah->power_mode;
-			ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
-		}
-}
-
-static inline void ath9k_ps_restore(struct ath_softc *sc)
-{
-	if (atomic_dec_and_test(&sc->ps_usecount))
-		if ((sc->hw->conf.flags & IEEE80211_CONF_PS) &&
-		    !(sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
-				      SC_OP_WAIT_FOR_CAB |
-				      SC_OP_WAIT_FOR_PSPOLL_DATA |
-				      SC_OP_WAIT_FOR_TX_ACK)))
-			ath9k_hw_setpower(sc->sc_ah,
-					  sc->sc_ah->restore_mode);
-}
-
+void ath9k_ps_wakeup(struct ath_softc *sc);
+void ath9k_ps_restore(struct ath_softc *sc);
 
 void ath9k_set_bssid_mask(struct ieee80211_hw *hw);
 int ath9k_wiphy_add(struct ath_softc *sc);
@@ -690,6 +691,7 @@ void ath9k_wiphy_pause_all_forced(struct ath_softc *sc,
 				  struct ath_wiphy *selected);
 bool ath9k_wiphy_scanning(struct ath_softc *sc);
 void ath9k_wiphy_work(struct work_struct *work);
+bool ath9k_all_wiphys_idle(struct ath_softc *sc);
 
 void ath9k_iowrite32(struct ath_hw *ah, u32 reg_offset, u32 val);
 unsigned int ath9k_ioread32(struct ath_hw *ah, u32 reg_offset);

drivers/net/wireless/ath/ath9k/calib.c

@@ -691,15 +691,22 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah,
 void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah)
 {
 	int i, j;
+	s16 noise_floor;
+
+	if (AR_SREV_9280(ah))
+		noise_floor = AR_PHY_CCA_MAX_AR9280_GOOD_VALUE;
+	else if (AR_SREV_9285(ah))
+		noise_floor = AR_PHY_CCA_MAX_AR9285_GOOD_VALUE;
+	else
+		noise_floor = AR_PHY_CCA_MAX_AR5416_GOOD_VALUE;
 
 	for (i = 0; i < NUM_NF_READINGS; i++) {
 		ah->nfCalHist[i].currIndex = 0;
-		ah->nfCalHist[i].privNF = AR_PHY_CCA_MAX_GOOD_VALUE;
+		ah->nfCalHist[i].privNF = noise_floor;
 		ah->nfCalHist[i].invalidNFcount =
 			AR_PHY_CCA_FILTERWINDOW_LENGTH;
 		for (j = 0; j < ATH9K_NF_CAL_HIST_MAX; j++) {
-			ah->nfCalHist[i].nfCalBuffer[j] =
-				AR_PHY_CCA_MAX_GOOD_VALUE;
+			ah->nfCalHist[i].nfCalBuffer[j] = noise_floor;
 		}
 	}
 }

drivers/net/wireless/ath/ath9k/calib.h

@@ -25,7 +25,9 @@ extern const struct ath9k_percal_data adc_dc_cal_multi_sample;
 extern const struct ath9k_percal_data adc_dc_cal_single_sample;
 extern const struct ath9k_percal_data adc_init_dc_cal;
 
-#define AR_PHY_CCA_MAX_GOOD_VALUE      		-85
+#define AR_PHY_CCA_MAX_AR5416_GOOD_VALUE	-85
+#define AR_PHY_CCA_MAX_AR9280_GOOD_VALUE	-112
+#define AR_PHY_CCA_MAX_AR9285_GOOD_VALUE	-118
 #define AR_PHY_CCA_MAX_HIGH_VALUE      		-62
 #define AR_PHY_CCA_MIN_BAD_VALUE       		-140
 #define AR_PHY_CCA_FILTERWINDOW_LENGTH_INIT     3

drivers/net/wireless/ath/ath9k/eeprom.c

@@ -1208,6 +1208,19 @@ static void ath9k_hw_4k_set_gain(struct ath_hw *ah,
 			      pModal->xatten2Margin[0]);
 		REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
 			      AR_PHY_GAIN_2GHZ_XATTEN2_DB, pModal->xatten2Db[0]);
+
+		/* Set the block 1 value to block 0 value */
+		REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + 0x1000,
+			      AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN,
+			      pModal->bswMargin[0]);
+		REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + 0x1000,
+			      AR_PHY_GAIN_2GHZ_XATTEN1_DB, pModal->bswAtten[0]);
+		REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + 0x1000,
+			      AR_PHY_GAIN_2GHZ_XATTEN2_MARGIN,
+			      pModal->xatten2Margin[0]);
+		REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + 0x1000,
+			      AR_PHY_GAIN_2GHZ_XATTEN2_DB,
+			      pModal->xatten2Db[0]);
 	}
 
 	REG_RMW_FIELD(ah, AR_PHY_RXGAIN + regChainOffset,
@@ -1215,6 +1228,11 @@ static void ath9k_hw_4k_set_gain(struct ath_hw *ah,
 	REG_RMW_FIELD(ah, AR_PHY_RXGAIN + regChainOffset,
 		      AR9280_PHY_RXGAIN_TXRX_MARGIN, pModal->rxTxMarginCh[0]);
 
+	REG_RMW_FIELD(ah, AR_PHY_RXGAIN + 0x1000,
+		      AR9280_PHY_RXGAIN_TXRX_ATTEN, txRxAttenLocal);
+	REG_RMW_FIELD(ah, AR_PHY_RXGAIN + 0x1000,
+		      AR9280_PHY_RXGAIN_TXRX_MARGIN, pModal->rxTxMarginCh[0]);
+
 	if (AR_SREV_9285_11(ah))
 		REG_WRITE(ah, AR9285_AN_TOP4, (AR9285_AN_TOP4_DEFAULT | 0x14));
 }
@@ -1239,7 +1257,7 @@ static void ath9k_hw_4k_set_board_values(struct ath_hw *ah,
 	ath9k_hw_4k_set_gain(ah, pModal, eep, txRxAttenLocal, 0);
 
 	/* Initialize Ant Diversity settings from EEPROM */
-	if (pModal->version == 3) {
+	if (pModal->version >= 3) {
 		ant_div_control1 = ((pModal->ob_234 >> 12) & 0xf);
 		ant_div_control2 = ((pModal->db1_234 >> 12) & 0xf);
 		regVal = REG_READ(ah, 0x99ac);

drivers/net/wireless/ath/ath9k/hw.c

@@ -2728,7 +2728,8 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip)
 	return true;
 }
 
-bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
+static bool ath9k_hw_setpower_nolock(struct ath_hw *ah,
+				     enum ath9k_power_mode mode)
 {
 	int status = true, setChip = true;
 	static const char *modes[] = {
@@ -2762,6 +2763,55 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
 	return status;
 }
 
+bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
+{
+	unsigned long flags;
+	bool ret;
+
+	spin_lock_irqsave(&ah->ah_sc->sc_pm_lock, flags);
+	ret = ath9k_hw_setpower_nolock(ah, mode);
+	spin_unlock_irqrestore(&ah->ah_sc->sc_pm_lock, flags);
+
+	return ret;
+}
+
+void ath9k_ps_wakeup(struct ath_softc *sc)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&sc->sc_pm_lock, flags);
+	if (++sc->ps_usecount != 1)
+		goto unlock;
+
+	if (sc->sc_ah->power_mode != ATH9K_PM_AWAKE) {
+		sc->sc_ah->restore_mode = sc->sc_ah->power_mode;
+		ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_AWAKE);
+	}
+
+ unlock:
+	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+}
+
+void ath9k_ps_restore(struct ath_softc *sc)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&sc->sc_pm_lock, flags);
+	if (--sc->ps_usecount != 0)
+		goto unlock;
+
+	if ((sc->hw->conf.flags & IEEE80211_CONF_PS) &&
+		!(sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
+				SC_OP_WAIT_FOR_CAB |
+				SC_OP_WAIT_FOR_PSPOLL_DATA |
+				SC_OP_WAIT_FOR_TX_ACK)))
+		ath9k_hw_setpower_nolock(sc->sc_ah,
+				      sc->sc_ah->restore_mode);
+
+ unlock:
+	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+}
+
 /*
  * Helper for ASPM support.
  *
@@ -3305,7 +3355,6 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 	}
 
 	if (eeval & AR5416_OPFLAGS_11G) {
-		set_bit(ATH9K_MODE_11B, pCap->wireless_modes);
 		set_bit(ATH9K_MODE_11G, pCap->wireless_modes);
 		if (ah->config.ht_enable) {
 			if (!(eeval & AR5416_OPFLAGS_N_2G_HT20))
@@ -3791,19 +3840,14 @@ void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64)
 
 void ath9k_hw_reset_tsf(struct ath_hw *ah)
 {
-	int count;
+	ath9k_ps_wakeup(ah->ah_sc);
+	if (!ath9k_hw_wait(ah, AR_SLP32_MODE, AR_SLP32_TSF_WRITE_STATUS, 0,
+			   AH_TSF_WRITE_TIMEOUT))
+		DPRINTF(ah->ah_sc, ATH_DBG_RESET,
+			"AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
 
-	count = 0;
-	while (REG_READ(ah, AR_SLP32_MODE) & AR_SLP32_TSF_WRITE_STATUS) {
-		count++;
-		if (count > 10) {
-			DPRINTF(ah->ah_sc, ATH_DBG_RESET,
-				"AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
-			break;
-		}
-		udelay(10);
-	}
 	REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
+	ath9k_ps_restore(ah->ah_sc);
 }
 
 bool ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)

drivers/net/wireless/ath/ath9k/hw.h

@@ -95,6 +95,7 @@
 
 #define MAX_RATE_POWER              63
 #define AH_WAIT_TIMEOUT             100000 /* (us) */
+#define AH_TSF_WRITE_TIMEOUT        100    /* (us) */
 #define AH_TIME_QUANTUM             10
 #define AR_KEYTABLE_SIZE            128
 #define POWER_UP_TIME               200000
@@ -113,15 +114,14 @@
 
 enum wireless_mode {
 	ATH9K_MODE_11A = 0,
-	ATH9K_MODE_11B = 2,
-	ATH9K_MODE_11G = 3,
-	ATH9K_MODE_11NA_HT20 = 6,
-	ATH9K_MODE_11NG_HT20 = 7,
-	ATH9K_MODE_11NA_HT40PLUS = 8,
-	ATH9K_MODE_11NA_HT40MINUS = 9,
-	ATH9K_MODE_11NG_HT40PLUS = 10,
-	ATH9K_MODE_11NG_HT40MINUS = 11,
-	ATH9K_MODE_MAX
+	ATH9K_MODE_11G,
+	ATH9K_MODE_11NA_HT20,
+	ATH9K_MODE_11NG_HT20,
+	ATH9K_MODE_11NA_HT40PLUS,
+	ATH9K_MODE_11NA_HT40MINUS,
+	ATH9K_MODE_11NG_HT40PLUS,
+	ATH9K_MODE_11NG_HT40MINUS,
+	ATH9K_MODE_MAX,
 };
 
 enum ath9k_hw_caps {

drivers/net/wireless/ath/ath9k/initvals.h

@@ -2782,7 +2782,7 @@ static const u32 ar9280Common_9280_2[][2] = {
     { 0x00008338, 0x00ff0000 },
     { 0x0000833c, 0x00000000 },
     { 0x00008340, 0x000107ff },
-    { 0x00008344, 0x00581043 },
+    { 0x00008344, 0x00481043 },
     { 0x00009808, 0x00000000 },
     { 0x0000980c, 0xafa68e30 },
     { 0x00009810, 0xfd14e000 },
@@ -3439,7 +3439,7 @@ static const u32 ar9280PciePhy_clkreq_always_on_L1_9280[][2] = {
     {0x00004044,  0x00000000 },
 };
 
-/* AR9285 */
+/* AR9285 Revsion 10*/
 static const u_int32_t ar9285Modes_9285[][6] = {
     { 0x00001030, 0x00000230, 0x00000460, 0x000002c0, 0x00000160, 0x000001e0 },
     { 0x00001070, 0x00000168, 0x000002d0, 0x00000318, 0x0000018c, 0x000001e0 },
@@ -3955,7 +3955,7 @@ static const u_int32_t ar9285Common_9285[][2] = {
     { 0x00008338, 0x00000000 },
     { 0x0000833c, 0x00000000 },
     { 0x00008340, 0x00010380 },
-    { 0x00008344, 0x00581043 },
+    { 0x00008344, 0x00481043 },
     { 0x00009808, 0x00000000 },
     { 0x0000980c, 0xafe68e30 },
     { 0x00009810, 0xfd14e000 },
@@ -4121,8 +4121,9 @@ static const u_int32_t ar9285PciePhy_clkreq_off_L1_9285[][2] = {
     {0x00004044,  0x00000000 },
 };
 
-/* AR9285 v1_2 PCI Register Writes.  Created: 03/04/09 */
+/* AR9285 v1_2 PCI Register Writes.  Created: 04/13/09 */
 static const u_int32_t ar9285Modes_9285_1_2[][6] = {
+    /* Address      5G-HT20     5G-HT40     2G-HT40     2G-HT20     Turbo   */
     { 0x00001030, 0x00000230, 0x00000460, 0x000002c0, 0x00000160, 0x000001e0 },
     { 0x00001070, 0x00000168, 0x000002d0, 0x00000318, 0x0000018c, 0x000001e0 },
     { 0x000010b0, 0x00000e60, 0x00001cc0, 0x00007c70, 0x00003e38, 0x00001180 },
@@ -4139,6 +4140,7 @@ static const u_int32_t ar9285Modes_9285_1_2[][6] = {
     { 0x00009840, 0x206a012e, 0x206a012e, 0x206a012e, 0x206a012e, 0x206a012e },
     { 0x00009844, 0x0372161e, 0x0372161e, 0x03721620, 0x03721620, 0x037216a0 },
     { 0x00009848, 0x00001066, 0x00001066, 0x00001053, 0x00001053, 0x00001059 },
+    { 0x0000a848, 0x00001066, 0x00001066, 0x00001053, 0x00001053, 0x00001059 },
     { 0x00009850, 0x6d4000e2, 0x6d4000e2, 0x6d4000e2, 0x6d4000e2, 0x6d4000e2 },
     { 0x00009858, 0x7ec84d2e, 0x7ec84d2e, 0x7ec84d2e, 0x7ec84d2e, 0x7ec84d2e },
     { 0x0000985c, 0x3139605e, 0x3139605e, 0x3137605e, 0x3137605e, 0x3139605e },
@@ -4419,6 +4421,7 @@ static const u_int32_t ar9285Modes_9285_1_2[][6] = {
     { 0x0000abfc, 0x00000000, 0x00000000, 0x000eb7db, 0x000eb7db, 0x00000000 },
     { 0x0000a204, 0x00000004, 0x00000004, 0x00000004, 0x00000004, 0x00000004 },
     { 0x0000a20c, 0x00000014, 0x00000014, 0x0001f000, 0x0001f000, 0x0001f000 },
+    { 0x0000b20c, 0x00000014, 0x00000014, 0x0001f000, 0x0001f000, 0x0001f000 },
     { 0x0000a21c, 0x1883800a, 0x1883800a, 0x1883800a, 0x1883800a, 0x1883800a },
     { 0x0000a230, 0x00000000, 0x00000000, 0x00000210, 0x00000108, 0x00000000 },
     { 0x0000a250, 0x0004f000, 0x0004f000, 0x0004a000, 0x0004a000, 0x0004a000 },
@@ -4618,7 +4621,7 @@ static const u_int32_t ar9285Common_9285_1_2[][2] = {
     { 0x00008338, 0x00ff0000 },
     { 0x0000833c, 0x00000000 },
     { 0x00008340, 0x00010380 },
-    { 0x00008344, 0x00581043 },
+    { 0x00008344, 0x00481043 },
     { 0x00009808, 0x00000000 },
     { 0x0000980c, 0xafe68e30 },
     { 0x00009810, 0xfd14e000 },
@@ -4752,18 +4755,18 @@ static const u_int32_t ar9285Common_9285_1_2[][2] = {
 static const u_int32_t ar9285Modes_high_power_tx_gain_9285_1_2[][6] = {
     /* Address      5G-HT20     5G-HT40     2G-HT40     2G-HT20     Turbo   */
     { 0x0000a300, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
-    { 0x0000a304, 0x00000000, 0x00000000, 0x00005200, 0x00005200, 0x00000000 },
-    { 0x0000a308, 0x00000000, 0x00000000, 0x00007201, 0x00007201, 0x00000000 },
+    { 0x0000a304, 0x00000000, 0x00000000, 0x00006200, 0x00006200, 0x00000000 },
+    { 0x0000a308, 0x00000000, 0x00000000, 0x00008201, 0x00008201, 0x00000000 },
     { 0x0000a30c, 0x00000000, 0x00000000, 0x0000b240, 0x0000b240, 0x00000000 },
     { 0x0000a310, 0x00000000, 0x00000000, 0x0000d241, 0x0000d241, 0x00000000 },
-    { 0x0000a314, 0x00000000, 0x00000000, 0x0000f440, 0x0000f440, 0x00000000 },
-    { 0x0000a318, 0x00000000, 0x00000000, 0x00014640, 0x00014640, 0x00000000 },
-    { 0x0000a31c, 0x00000000, 0x00000000, 0x00018680, 0x00018680, 0x00000000 },
-    { 0x0000a320, 0x00000000, 0x00000000, 0x00019841, 0x00019841, 0x00000000 },
-    { 0x0000a324, 0x00000000, 0x00000000, 0x0001ca40, 0x0001ca40, 0x00000000 },
-    { 0x0000a328, 0x00000000, 0x00000000, 0x0001fa80, 0x0001fa80, 0x00000000 },
-    { 0x0000a32c, 0x00000000, 0x00000000, 0x00023ac0, 0x00023ac0, 0x00000000 },
-    { 0x0000a330, 0x00000000, 0x00000000, 0x0002ab40, 0x0002ab40, 0x00000000 },
+    { 0x0000a314, 0x00000000, 0x00000000, 0x0000f600, 0x0000f600, 0x00000000 },
+    { 0x0000a318, 0x00000000, 0x00000000, 0x00012800, 0x00012800, 0x00000000 },
+    { 0x0000a31c, 0x00000000, 0x00000000, 0x00016802, 0x00016802, 0x00000000 },
+    { 0x0000a320, 0x00000000, 0x00000000, 0x0001b805, 0x0001b805, 0x00000000 },
+    { 0x0000a324, 0x00000000, 0x00000000, 0x00021a80, 0x00021a80, 0x00000000 },
+    { 0x0000a328, 0x00000000, 0x00000000, 0x00028b00, 0x00028b00, 0x00000000 },
+    { 0x0000a32c, 0x00000000, 0x00000000, 0x0002ab40, 0x0002ab40, 0x00000000 },
+    { 0x0000a330, 0x00000000, 0x00000000, 0x0002cd80, 0x0002cd80, 0x00000000 },
     { 0x0000a334, 0x00000000, 0x00000000, 0x00033d82, 0x00033d82, 0x00000000 },
     { 0x0000a338, 0x0003891e, 0x0003891e, 0x0003891e, 0x0003891e, 0x00000000 },
     { 0x0000a33c, 0x0003a95e, 0x0003a95e, 0x0003a95e, 0x0003a95e, 0x00000000 },
@@ -4776,13 +4779,13 @@ static const u_int32_t ar9285Modes_high_power_tx_gain_9285_1_2[][6] = {
     { 0x00007838, 0xfac68803, 0xfac68803, 0xfac68803, 0xfac68803, 0xfac68803 },
     { 0x0000786c, 0x08609ebe, 0x08609ebe, 0x08609ebe, 0x08609ebe, 0x08609ebe },
     { 0x00007820, 0x00000c00, 0x00000c00, 0x00000c00, 0x00000c00, 0x00000c00 },
-    { 0x0000a274, 0x0a22a652, 0x0a22a652, 0x0a21a652, 0x0a21a652, 0x0a22a652 },
-    { 0x0000a278, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce },
-    { 0x0000a27c, 0x050701ce, 0x050701ce, 0x050701ce, 0x050701ce, 0x050701ce },
-    { 0x0000a394, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce },
-    { 0x0000a398, 0x000001ce, 0x000001ce, 0x000001ce, 0x000001ce, 0x000001ce },
-    { 0x0000a3dc, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce },
-    { 0x0000a3e0, 0x000001ce, 0x000001ce, 0x000001ce, 0x000001ce, 0x000001ce },
+    { 0x0000a274, 0x0a22a652, 0x0a22a652, 0x0a216652, 0x0a216652, 0x0a22a652 },
+    { 0x0000a278, 0x0e739ce7, 0x0e739ce7, 0x0e739ce7, 0x0e739ce7, 0x0e739ce7 },
+    { 0x0000a27c, 0x050380e7, 0x050380e7, 0x050380e7, 0x050380e7, 0x050380e7 },
+    { 0x0000a394, 0x0e739ce7, 0x0e739ce7, 0x0e739ce7, 0x0e739ce7, 0x0e739ce7 },
+    { 0x0000a398, 0x000000e7, 0x000000e7, 0x000000e7, 0x000000e7, 0x000000e7 },
+    { 0x0000a3dc, 0x0e739ce7, 0x0e739ce7, 0x0e739ce7, 0x0e739ce7, 0x0e739ce7 },
+    { 0x0000a3e0, 0x000000e7, 0x000000e7, 0x000000e7, 0x000000e7, 0x000000e7 },
 };
 
 static const u_int32_t ar9285Modes_original_tx_gain_9285_1_2[][6] = {

drivers/net/wireless/ath/ath9k/mac.c

@@ -825,13 +825,29 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
 	ds->ds_rxstat.rs_datalen = ads.ds_rxstatus1 & AR_DataLen;
 	ds->ds_rxstat.rs_tstamp = ads.AR_RcvTimestamp;
 
-	ds->ds_rxstat.rs_rssi = MS(ads.ds_rxstatus4, AR_RxRSSICombined);
-	ds->ds_rxstat.rs_rssi_ctl0 = MS(ads.ds_rxstatus0, AR_RxRSSIAnt00);
-	ds->ds_rxstat.rs_rssi_ctl1 = MS(ads.ds_rxstatus0, AR_RxRSSIAnt01);
-	ds->ds_rxstat.rs_rssi_ctl2 = MS(ads.ds_rxstatus0, AR_RxRSSIAnt02);
-	ds->ds_rxstat.rs_rssi_ext0 = MS(ads.ds_rxstatus4, AR_RxRSSIAnt10);
-	ds->ds_rxstat.rs_rssi_ext1 = MS(ads.ds_rxstatus4, AR_RxRSSIAnt11);
-	ds->ds_rxstat.rs_rssi_ext2 = MS(ads.ds_rxstatus4, AR_RxRSSIAnt12);
+	if (ads.ds_rxstatus8 & AR_PostDelimCRCErr) {
+		ds->ds_rxstat.rs_rssi = ATH9K_RSSI_BAD;
+		ds->ds_rxstat.rs_rssi_ctl0 = ATH9K_RSSI_BAD;
+		ds->ds_rxstat.rs_rssi_ctl1 = ATH9K_RSSI_BAD;
+		ds->ds_rxstat.rs_rssi_ctl2 = ATH9K_RSSI_BAD;
+		ds->ds_rxstat.rs_rssi_ext0 = ATH9K_RSSI_BAD;
+		ds->ds_rxstat.rs_rssi_ext1 = ATH9K_RSSI_BAD;
+		ds->ds_rxstat.rs_rssi_ext2 = ATH9K_RSSI_BAD;
+	} else {
+		ds->ds_rxstat.rs_rssi = MS(ads.ds_rxstatus4, AR_RxRSSICombined);
+		ds->ds_rxstat.rs_rssi_ctl0 = MS(ads.ds_rxstatus0,
+						AR_RxRSSIAnt00);
+		ds->ds_rxstat.rs_rssi_ctl1 = MS(ads.ds_rxstatus0,
+						AR_RxRSSIAnt01);
+		ds->ds_rxstat.rs_rssi_ctl2 = MS(ads.ds_rxstatus0,
+						AR_RxRSSIAnt02);
+		ds->ds_rxstat.rs_rssi_ext0 = MS(ads.ds_rxstatus4,
+						AR_RxRSSIAnt10);
+		ds->ds_rxstat.rs_rssi_ext1 = MS(ads.ds_rxstatus4,
+						AR_RxRSSIAnt11);
+		ds->ds_rxstat.rs_rssi_ext2 = MS(ads.ds_rxstatus4,
+						AR_RxRSSIAnt12);
+	}
 	if (ads.ds_rxstatus8 & AR_RxKeyIdxValid)
 		ds->ds_rxstat.rs_keyix = MS(ads.ds_rxstatus8, AR_KeyIdx);
 	else

drivers/net/wireless/ath/ath9k/main.c

@@ -465,6 +465,7 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta)
 		an->maxampdu = 1 << (IEEE80211_HTCAP_MAXRXAMPDU_FACTOR +
 				     sta->ht_cap.ampdu_factor);
 		an->mpdudensity = parse_mpdudensity(sta->ht_cap.ampdu_density);
+		an->last_rssi = ATH_RSSI_DUMMY_MARKER;
 	}
 }
 
@@ -1258,6 +1259,7 @@ void ath_detach(struct ath_softc *sc)
 	ath_deinit_leds(sc);
 	cancel_work_sync(&sc->chan_work);
 	cancel_delayed_work_sync(&sc->wiphy_work);
+	cancel_delayed_work_sync(&sc->tx_complete_work);
 
 	for (i = 0; i < sc->num_sec_wiphy; i++) {
 		struct ath_wiphy *aphy = sc->sec_wiphy[i];
@@ -1284,7 +1286,6 @@ void ath_detach(struct ath_softc *sc)
 
 	ath9k_hw_detach(sc->sc_ah);
 	ath9k_exit_debug(sc);
-	ath9k_ps_restore(sc);
 }
 
 static int ath9k_reg_notifier(struct wiphy *wiphy,
@@ -1315,6 +1316,7 @@ static int ath_init(u16 devid, struct ath_softc *sc)
 	spin_lock_init(&sc->sc_resetlock);
 	spin_lock_init(&sc->sc_serial_rw);
 	spin_lock_init(&sc->ani_lock);
+	spin_lock_init(&sc->sc_pm_lock);
 	mutex_init(&sc->mutex);
 	tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
 	tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,
@@ -1540,7 +1542,8 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 	hw->max_rates = 4;
 	hw->channel_change_time = 5000;
 	hw->max_listen_interval = 10;
-	hw->max_rate_tries = ATH_11N_TXMAXTRY;
+	/* Hardware supports 10 but we use 4 */
+	hw->max_rate_tries = 4;
 	hw->sta_data_size = sizeof(struct ath_node);
 	hw->vif_data_size = sizeof(struct ath_vif);
 
@@ -1977,6 +1980,8 @@ static int ath9k_start(struct ieee80211_hw *hw)
 
 	ieee80211_wake_queues(hw);
 
+	queue_delayed_work(sc->hw->workqueue, &sc->tx_complete_work, 0);
+
 mutex_unlock:
 	mutex_unlock(&sc->mutex);
 
@@ -2096,8 +2101,6 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 
 	mutex_lock(&sc->mutex);
 
-	ieee80211_stop_queues(hw);
-
 	if (ath9k_wiphy_started(sc)) {
 		mutex_unlock(&sc->mutex);
 		return; /* another wiphy still in use */
@@ -2255,9 +2258,28 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 	struct ath_softc *sc = aphy->sc;
 	struct ieee80211_conf *conf = &hw->conf;
 	struct ath_hw *ah = sc->sc_ah;
+	bool all_wiphys_idle = false, disable_radio = false;
 
 	mutex_lock(&sc->mutex);
 
+	/* Leave this as the first check */
+	if (changed & IEEE80211_CONF_CHANGE_IDLE) {
+
+		spin_lock_bh(&sc->wiphy_lock);
+		all_wiphys_idle =  ath9k_all_wiphys_idle(sc);
+		spin_unlock_bh(&sc->wiphy_lock);
+
+		if (conf->flags & IEEE80211_CONF_IDLE){
+			if (all_wiphys_idle)
+				disable_radio = true;
+		}
+		else if (all_wiphys_idle) {
+			ath_radio_enable(sc);
+			DPRINTF(sc, ATH_DBG_CONFIG,
+				"not-idle: enabling radio\n");
+		}
+	}
+
 	if (changed & IEEE80211_CONF_CHANGE_PS) {
 		if (conf->flags & IEEE80211_CONF_PS) {
 			if (!(ah->caps.hw_caps &
@@ -2325,6 +2347,11 @@ skip_chan_change:
 	if (changed & IEEE80211_CONF_CHANGE_POWER)
 		sc->config.txpowlimit = 2 * conf->power_level;
 
+	if (disable_radio) {
+		DPRINTF(sc, ATH_DBG_CONFIG, "idle: disabling radio\n");
+		ath_radio_disable(sc);
+	}
+
 	mutex_unlock(&sc->mutex);
 
 	return 0;

drivers/net/wireless/ath/ath9k/rc.c

@@ -22,133 +22,132 @@ static const struct ath_rate_table ar5416_11na_ratetable = {
 	{
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
 			5400, 0x0b, 0x00, 12,
-			0, 2, 1, 0, 0, 0, 0, 0 },
+			0, 0, 0, 0, 0, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
 			7800,  0x0f, 0x00, 18,
-			0, 3, 1, 1, 1, 1, 1, 0 },
+			0, 1, 1, 1, 1, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
 			10000, 0x0a, 0x00, 24,
-			2, 4, 2, 2, 2, 2, 2, 0 },
+			2, 2, 2, 2, 2, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
 			13900, 0x0e, 0x00, 36,
-			2, 6,  2, 3, 3, 3, 3, 0 },
+			2,  3, 3, 3, 3, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
 			17300, 0x09, 0x00, 48,
-			4, 10, 3, 4, 4, 4, 4, 0 },
+			4,  4, 4, 4, 4, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
 			23000, 0x0d, 0x00, 72,
-			4, 14, 3, 5, 5, 5, 5, 0 },
+			4,  5, 5, 5, 5, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
 			27400, 0x08, 0x00, 96,
-			4, 20, 3, 6, 6, 6, 6, 0 },
+			4,  6, 6, 6, 6, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
 			29300, 0x0c, 0x00, 108,
-			4, 23, 3, 7, 7, 7, 7, 0 },
+			4,  7, 7, 7, 7, 0 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
 			6400, 0x80, 0x00, 0,
-			0, 2, 3, 8, 24, 8, 24, 3216 },
+			0, 8, 24, 8, 24, 3216 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
 			12700, 0x81, 0x00, 1,
-			2, 4, 3, 9, 25, 9, 25, 6434 },
+			2, 9, 25, 9, 25, 6434 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
 			18800, 0x82, 0x00, 2,
-			2, 6, 3, 10, 26, 10, 26, 9650 },
+			2, 10, 26, 10, 26, 9650 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
 			25000, 0x83, 0x00, 3,
-			4, 10, 3, 11, 27, 11, 27, 12868 },
+			4,  11, 27, 11, 27, 12868 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
 			36700, 0x84, 0x00, 4,
-			4, 14, 3, 12, 28, 12, 28, 19304 },
+			4,  12, 28, 12, 28, 19304 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
 			48100, 0x85, 0x00, 5,
-			4, 20, 3, 13, 29, 13, 29, 25740 },
+			4,  13, 29, 13, 29, 25740 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
 			53500, 0x86, 0x00, 6,
-			4, 23, 3, 14, 30, 14, 30,  28956 },
+			4,  14, 30, 14, 30,  28956 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
 			59000, 0x87, 0x00, 7,
-			4, 25, 3, 15, 31, 15, 32, 32180 },
+			4,  15, 31, 15, 32, 32180 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
 			12700, 0x88, 0x00,
-			8, 0, 2, 3, 16, 33, 16, 33, 6430 },
+			8, 3, 16, 33, 16, 33, 6430 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
 			24800, 0x89, 0x00, 9,
-			2, 4, 3, 17, 34, 17, 34, 12860 },
+			2, 17, 34, 17, 34, 12860 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
 			36600, 0x8a, 0x00, 10,
-			2, 6, 3, 18, 35, 18, 35, 19300 },
+			2, 18, 35, 18, 35, 19300 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
 			48100, 0x8b, 0x00, 11,
-			4, 10, 3, 19, 36, 19, 36, 25736 },
+			4,  19, 36, 19, 36, 25736 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
 			69500, 0x8c, 0x00, 12,
-			4, 14, 3, 20, 37, 20, 37, 38600 },
+			4,  20, 37, 20, 37, 38600 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
 			89500, 0x8d, 0x00, 13,
-			4, 20, 3, 21, 38, 21, 38, 51472 },
+			4,  21, 38, 21, 38, 51472 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
 			98900, 0x8e, 0x00, 14,
-			4, 23, 3, 22, 39, 22, 39, 57890 },
+			4,  22, 39, 22, 39, 57890 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
 			108300, 0x8f, 0x00, 15,
-			4, 25, 3, 23, 40, 23, 41, 64320 },
+			4,  23, 40, 23, 41, 64320 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
 			13200, 0x80, 0x00, 0,
-			0, 2, 3, 8, 24, 24, 24, 6684 },
+			0, 8, 24, 24, 24, 6684 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
 			25900, 0x81, 0x00, 1,
-			2, 4, 3, 9, 25, 25, 25, 13368 },
+			2, 9, 25, 25, 25, 13368 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
 			38600, 0x82, 0x00, 2,
-			2, 6, 3, 10, 26, 26, 26, 20052 },
+			2, 10, 26, 26, 26, 20052 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
 			49800, 0x83, 0x00, 3,
-			4, 10, 3, 11, 27, 27, 27, 26738 },
+			4,  11, 27, 27, 27, 26738 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
 			72200, 0x84, 0x00, 4,
-			4, 14, 3, 12, 28, 28, 28, 40104 },
+			4,  12, 28, 28, 28, 40104 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
 			92900, 0x85, 0x00, 5,
-			4, 20, 3, 13, 29, 29, 29, 53476 },
+			4,  13, 29, 29, 29, 53476 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
 			102700, 0x86, 0x00, 6,
-			4, 23, 3, 14, 30, 30, 30, 60156 },
+			4,  14, 30, 30, 30, 60156 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
 			112000, 0x87, 0x00, 7,
-			4, 25, 3, 15, 31, 32, 32, 66840 },
+			4,  15, 31, 32, 32, 66840 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
 			122000, 0x87, 0x00, 7,
-			4, 25, 3, 15, 31, 32, 32, 74200 },
+			4,  15, 31, 32, 32, 74200 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
 			25800, 0x88, 0x00, 8,
-			0, 2, 3, 16, 33, 33, 33, 13360 },
+			0, 16, 33, 33, 33, 13360 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
 			49800, 0x89, 0x00, 9,
-			2, 4, 3, 17, 34, 34, 34, 26720 },
+			2, 17, 34, 34, 34, 26720 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
 			71900, 0x8a, 0x00, 10,
-			2, 6, 3, 18, 35, 35, 35, 40080 },
+			2, 18, 35, 35, 35, 40080 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
 			92500, 0x8b, 0x00, 11,
-			4, 10, 3, 19, 36, 36, 36, 53440 },
+			4,  19, 36, 36, 36, 53440 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
 			130300, 0x8c, 0x00, 12,
-			4, 14, 3, 20, 37, 37, 37, 80160 },
+			4,  20, 37, 37, 37, 80160 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
 			162800, 0x8d, 0x00, 13,
-			4, 20, 3, 21, 38, 38, 38, 106880 },
+			4,  21, 38, 38, 38, 106880 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
 			178200, 0x8e, 0x00, 14,
-			4, 23, 3, 22, 39, 39, 39, 120240 },
+			4,  22, 39, 39, 39, 120240 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
 			192100, 0x8f, 0x00, 15,
-			4, 25, 3, 23, 40, 41, 41, 133600 },
+			4,  23, 40, 41, 41, 133600 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
 			207000, 0x8f, 0x00, 15,
-			4, 25, 3, 23, 40, 41, 41, 148400 },
+			4,  23, 40, 41, 41, 148400 },
 	},
 	50,  /* probe interval */
-	50,  /* rssi reduce interval */
 	WLAN_RC_HT_FLAG,  /* Phy rates allowed initially */
 };
 
@@ -160,145 +159,144 @@ static const struct ath_rate_table ar5416_11ng_ratetable = {
 	{
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
 			900, 0x1b, 0x00, 2,
-			0, 0, 1, 0, 0, 0, 0, 0 },
+			0, 0, 0, 0, 0, 0 },
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
 			1900, 0x1a, 0x04, 4,
-			1, 1, 1, 1, 1, 1, 1, 0 },
+			1, 1, 1, 1, 1, 0 },
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
 			4900, 0x19, 0x04, 11,
-			2, 2, 2, 2, 2, 2, 2, 0 },
+			2, 2, 2, 2, 2, 0 },
 		{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
 			8100, 0x18, 0x04, 22,
-			3, 3, 2, 3, 3, 3, 3, 0 },
+			3, 3, 3, 3, 3, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
 			5400, 0x0b, 0x00, 12,
-			4, 2, 1, 4, 4, 4, 4, 0 },
+			4, 4, 4, 4, 4, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
 			7800, 0x0f, 0x00, 18,
-			4, 3, 1, 5, 5, 5, 5, 0 },
+			4, 5, 5, 5, 5, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
 			10100, 0x0a, 0x00, 24,
-			6, 4, 1, 6, 6, 6, 6, 0 },
+			6, 6, 6, 6, 6, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
 			14100,  0x0e, 0x00, 36,
-			6, 6, 2, 7, 7, 7, 7, 0 },
+			6, 7, 7, 7, 7, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
 			17700, 0x09, 0x00, 48,
-			8, 10, 3, 8, 8, 8, 8, 0 },
+			8,  8, 8, 8, 8, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
 			23700, 0x0d, 0x00, 72,
-			8, 14, 3, 9, 9, 9, 9, 0 },
+			8,  9, 9, 9, 9, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
 			27400, 0x08, 0x00, 96,
-			8, 20, 3, 10, 10, 10, 10, 0 },
+			8,  10, 10, 10, 10, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
 			30900, 0x0c, 0x00, 108,
-			8, 23, 3, 11, 11, 11, 11, 0 },
+			8,  11, 11, 11, 11, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
 			6400, 0x80, 0x00, 0,
-			4, 2, 3, 12, 28, 12, 28, 3216 },
+			4, 12, 28, 12, 28, 3216 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
 			12700, 0x81, 0x00, 1,
-			6, 4, 3, 13, 29, 13, 29, 6434 },
+			6, 13, 29, 13, 29, 6434 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
 			18800, 0x82, 0x00, 2,
-			6, 6, 3, 14, 30, 14, 30, 9650 },
+			6, 14, 30, 14, 30, 9650 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
 			25000, 0x83, 0x00, 3,
-			8, 10, 3, 15, 31, 15, 31, 12868 },
+			8,  15, 31, 15, 31, 12868 },
 		{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
 			36700, 0x84, 0x00, 4,
-			8, 14, 3, 16, 32, 16, 32, 19304 },
+			8,  16, 32, 16, 32, 19304 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
 			48100, 0x85, 0x00, 5,
-			8, 20, 3, 17, 33, 17, 33, 25740 },
+			8,  17, 33, 17, 33, 25740 },
 		{ INVALID,  VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
 			53500, 0x86, 0x00, 6,
-			8, 23, 3, 18, 34, 18, 34, 28956 },
+			8,  18, 34, 18, 34, 28956 },
 		{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
 			59000, 0x87, 0x00, 7,
-			8, 25, 3, 19, 35, 19, 36, 32180 },
+			8,  19, 35, 19, 36, 32180 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
 			12700, 0x88, 0x00, 8,
-			4, 2, 3, 20, 37, 20, 37, 6430 },
+			4, 20, 37, 20, 37, 6430 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
 			24800, 0x89, 0x00, 9,
-			6, 4, 3, 21, 38, 21, 38, 12860 },
+			6, 21, 38, 21, 38, 12860 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
 			36600, 0x8a, 0x00, 10,
-			6, 6, 3, 22, 39, 22, 39, 19300 },
+			6, 22, 39, 22, 39, 19300 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
 			48100, 0x8b, 0x00, 11,
-			8, 10, 3, 23, 40, 23, 40, 25736 },
+			8,  23, 40, 23, 40, 25736 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
 			69500, 0x8c, 0x00, 12,
-			8, 14, 3, 24, 41, 24, 41, 38600 },
+			8,  24, 41, 24, 41, 38600 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
 			89500, 0x8d, 0x00, 13,
-			8, 20, 3, 25, 42, 25, 42, 51472 },
+			8,  25, 42, 25, 42, 51472 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
 			98900, 0x8e, 0x00, 14,
-			8, 23, 3, 26, 43, 26, 44, 57890 },
+			8,  26, 43, 26, 44, 57890 },
 		{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
 			108300, 0x8f, 0x00, 15,
-			8, 25, 3, 27, 44, 27, 45, 64320 },
+			8,  27, 44, 27, 45, 64320 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
 			13200, 0x80, 0x00, 0,
-			8, 2, 3, 12, 28, 28, 28, 6684 },
+			8, 12, 28, 28, 28, 6684 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
 			25900, 0x81, 0x00, 1,
-			8, 4, 3, 13, 29, 29, 29, 13368 },
+			8, 13, 29, 29, 29, 13368 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
 			38600, 0x82, 0x00, 2,
-			8, 6, 3, 14, 30, 30, 30, 20052 },
+			8, 14, 30, 30, 30, 20052 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
 			49800, 0x83, 0x00, 3,
-			8, 10, 3, 15, 31, 31, 31, 26738 },
+			8,  15, 31, 31, 31, 26738 },
 		{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
 			72200, 0x84, 0x00, 4,
-			8, 14, 3, 16, 32, 32, 32, 40104 },
+			8,  16, 32, 32, 32, 40104 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
 			92900, 0x85, 0x00, 5,
-			8, 20, 3, 17, 33, 33, 33, 53476 },
+			8,  17, 33, 33, 33, 53476 },
 		{ INVALID,  VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
 			102700, 0x86, 0x00, 6,
-			8, 23, 3, 18, 34, 34, 34, 60156 },
+			8,  18, 34, 34, 34, 60156 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
 			112000, 0x87, 0x00, 7,
-			8, 23, 3, 19, 35, 36, 36, 66840 },
+			8,  19, 35, 36, 36, 66840 },
 		{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
 			122000, 0x87, 0x00, 7,
-			8, 25, 3, 19, 35, 36, 36, 74200 },
+			8,  19, 35, 36, 36, 74200 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
 			25800, 0x88, 0x00, 8,
-			8, 2, 3, 20, 37, 37, 37, 13360 },
+			8, 20, 37, 37, 37, 13360 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
 			49800, 0x89, 0x00, 9,
-			8, 4, 3, 21, 38, 38, 38, 26720 },
+			8, 21, 38, 38, 38, 26720 },
 		{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
 			71900, 0x8a, 0x00, 10,
-			8, 6, 3, 22, 39, 39, 39, 40080 },
+			8, 22, 39, 39, 39, 40080 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
 			92500, 0x8b, 0x00, 11,
-			8, 10, 3, 23, 40, 40, 40, 53440 },
+			8,  23, 40, 40, 40, 53440 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
 			130300, 0x8c, 0x00, 12,
-			8, 14, 3, 24, 41, 41, 41, 80160 },
+			8,  24, 41, 41, 41, 80160 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
 			162800, 0x8d, 0x00, 13,
-			8, 20, 3, 25, 42, 42, 42, 106880 },
+			8,  25, 42, 42, 42, 106880 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
 			178200, 0x8e, 0x00, 14,
-			8, 23, 3, 26, 43, 43, 43, 120240 },
+			8,  26, 43, 43, 43, 120240 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
 			192100, 0x8f, 0x00, 15,
-			8, 23, 3, 27, 44, 45, 45, 133600 },
+			8,  27, 44, 45, 45, 133600 },
 		{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
 			207000, 0x8f, 0x00, 15,
-			8, 25, 3, 27, 44, 45, 45, 148400 },
+			8,  27, 44, 45, 45, 148400 },
 		},
 	50,  /* probe interval */
-	50,  /* rssi reduce interval */
 	WLAN_RC_HT_FLAG,  /* Phy rates allowed initially */
 };
 
@@ -307,31 +305,30 @@ static const struct ath_rate_table ar5416_11a_ratetable = {
 	{
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
 			5400, 0x0b, 0x00, (0x80|12),
-			0, 2, 1, 0, 0 },
+			0, 0, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
 			7800, 0x0f, 0x00, 18,
-			0, 3, 1, 1, 0 },
+			0, 1, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
 			10000, 0x0a, 0x00, (0x80|24),
-			2, 4, 2, 2, 0 },
+			2, 2, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
 			13900, 0x0e, 0x00, 36,
-			2, 6, 2, 3, 0 },
+			2, 3, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
 			17300, 0x09, 0x00, (0x80|48),
-			4, 10, 3, 4, 0 },
+			4,  4, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
 			23000, 0x0d, 0x00, 72,
-			4, 14, 3, 5, 0 },
+			4,  5, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
 			27400, 0x08, 0x00, 96,
-			4, 19, 3, 6, 0 },
+			4,  6, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
 			29300, 0x0c, 0x00, 108,
-			4, 23, 3, 7, 0 },
+			4,  7, 0 },
 	},
 	50,  /* probe interval */
-	50,  /* rssi reduce interval */
 	0,   /* Phy rates allowed initially */
 };
 
@@ -340,64 +337,42 @@ static const struct ath_rate_table ar5416_11g_ratetable = {
 	{
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
 			900, 0x1b, 0x00, 2,
-			0, 0, 1, 0, 0 },
+			0, 0, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
 			1900, 0x1a, 0x04, 4,
-			1, 1, 1, 1, 0 },
+			1, 1, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
 			4900, 0x19, 0x04, 11,
-			2, 2, 2, 2, 0 },
+			2, 2, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
 			8100, 0x18, 0x04, 22,
-			3, 3, 2, 3, 0 },
+			3, 3, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
 			5400, 0x0b, 0x00, 12,
-			4, 2, 1, 4, 0 },
+			4, 4, 0 },
 		{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
 			7800, 0x0f, 0x00, 18,
-			4, 3, 1, 5, 0 },
+			4, 5, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
 			10000, 0x0a, 0x00, 24,
-			6, 4, 1, 6, 0 },
+			6, 6, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
 			13900, 0x0e, 0x00, 36,
-			6, 6, 2, 7, 0 },
+			6, 7, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
 			17300, 0x09, 0x00, 48,
-			8, 10, 3, 8, 0 },
+			8,  8, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
 			23000, 0x0d, 0x00, 72,
-			8, 14, 3, 9, 0 },
+			8,  9, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
 			27400, 0x08, 0x00, 96,
-			8, 19, 3, 10, 0 },
+			8,  10, 0 },
 		{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
 			29300, 0x0c, 0x00, 108,
-			8, 23, 3, 11, 0 },
+			8,  11, 0 },
 	},
 	50,  /* probe interval */
-	50,  /* rssi reduce interval */
-	0,   /* Phy rates allowed initially */
-};
-
-static const struct ath_rate_table ar5416_11b_ratetable = {
-	4,
-	{
-		{ VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
-			900, 0x1b,  0x00, (0x80|2),
-			0, 0, 1, 0, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
-			1800, 0x1a, 0x04, (0x80|4),
-			1, 1, 1, 1, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
-			4300, 0x19, 0x04, (0x80|11),
-			1, 2, 2, 2, 0 },
-		{ VALID, VALID, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
-			7100, 0x18, 0x04, (0x80|22),
-			1, 4, 100, 3, 0 },
-	},
-	100, /* probe interval */
-	100, /* rssi reduce interval */
 	0,   /* Phy rates allowed initially */
 };
 
@@ -454,13 +429,6 @@ static inline void ath_rc_set_valid_txmask(struct ath_rate_priv *ath_rc_priv,
 	ath_rc_priv->valid_rate_index[index] = valid_tx_rate ? 1 : 0;
 }
 
-static inline int ath_rc_isvalid_txmask(struct ath_rate_priv *ath_rc_priv,
-					u8 index)
-{
-	ASSERT(index <= ath_rc_priv->rate_table_size);
-	return ath_rc_priv->valid_rate_index[index];
-}
-
 static inline
 int ath_rc_get_nextvalid_txrate(const struct ath_rate_table *rate_table,
 				struct ath_rate_priv *ath_rc_priv,
@@ -501,9 +469,9 @@ static int ath_rc_valid_phyrate(u32 phy, u32 capflag, int ignore_cw)
 }
 
 static inline int
-ath_rc_get_nextlowervalid_txrate(const struct ath_rate_table *rate_table,
-				 struct ath_rate_priv *ath_rc_priv,
-				 u8 cur_valid_txrate, u8 *next_idx)
+ath_rc_get_lower_rix(const struct ath_rate_table *rate_table,
+		     struct ath_rate_priv *ath_rc_priv,
+		     u8 cur_valid_txrate, u8 *next_idx)
 {
 	int8_t i;
 
@@ -629,52 +597,20 @@ static u8 ath_rc_setvalid_htrates(struct ath_rate_priv *ath_rc_priv,
 	return hi;
 }
 
-static u8 ath_rc_ratefind_ht(struct ath_softc *sc,
-			     struct ath_rate_priv *ath_rc_priv,
-			     const struct ath_rate_table *rate_table,
-			     int *is_probing)
+/* Finds the highest rate index we can use */
+static u8 ath_rc_get_highest_rix(struct ath_softc *sc,
+			         struct ath_rate_priv *ath_rc_priv,
+				 const struct ath_rate_table *rate_table,
+				 int *is_probing)
 {
-	u32 dt, best_thruput, this_thruput, now_msec;
+	u32 best_thruput, this_thruput, now_msec;
 	u8 rate, next_rate, best_rate, maxindex, minindex;
-	int8_t  rssi_last, rssi_reduce = 0, index = 0;
-
-	*is_probing = 0;
-
-	rssi_last = median(ath_rc_priv->rssi_last,
-			   ath_rc_priv->rssi_last_prev,
-			   ath_rc_priv->rssi_last_prev2);
-
-	/*
-	 * Age (reduce) last ack rssi based on how old it is.
-	 * The bizarre numbers are so the delta is 160msec,
-	 * meaning we divide by 16.
-	 *   0msec   <= dt <= 25msec:   don't derate
-	 *   25msec  <= dt <= 185msec:  derate linearly from 0 to 10dB
-	 *   185msec <= dt:             derate by 10dB
-	 */
+	int8_t index = 0;
 
 	now_msec = jiffies_to_msecs(jiffies);
-	dt = now_msec - ath_rc_priv->rssi_time;
-
-	if (dt >= 185)
-		rssi_reduce = 10;
-	else if (dt >= 25)
-		rssi_reduce = (u8)((dt - 25) >> 4);
-
-	/* Now reduce rssi_last by rssi_reduce */
-	if (rssi_last < rssi_reduce)
-		rssi_last = 0;
-	else
-		rssi_last -= rssi_reduce;
-
-	/*
-	 * Now look up the rate in the rssi table and return it.
-	 * If no rates match then we return 0 (lowest rate)
-	 */
-
+	*is_probing = 0;
 	best_thruput = 0;
 	maxindex = ath_rc_priv->max_valid_rate-1;
-
 	minindex = 0;
 	best_rate = minindex;
 
@@ -700,7 +636,7 @@ static u8 ath_rc_ratefind_ht(struct ath_softc *sc,
 		 * 10-15 and we would be worse off then staying
 		 * at the current rate.
 		 */
-		per_thres = ath_rc_priv->state[rate].per;
+		per_thres = ath_rc_priv->per[rate];
 		if (per_thres < 12)
 			per_thres = 12;
 
@@ -714,7 +650,6 @@ static u8 ath_rc_ratefind_ht(struct ath_softc *sc,
 	}
 
 	rate = best_rate;
-	ath_rc_priv->rssi_last_lookup = rssi_last;
 
 	/*
 	 * Must check the actual rate (ratekbps) to account for
@@ -741,10 +676,18 @@ static u8 ath_rc_ratefind_ht(struct ath_softc *sc,
 	if (rate > (ath_rc_priv->rate_table_size - 1))
 		rate = ath_rc_priv->rate_table_size - 1;
 
-	ASSERT((rate_table->info[rate].valid &&
-		(ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG)) ||
-	       (rate_table->info[rate].valid_single_stream &&
-		!(ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG)));
+	if (rate_table->info[rate].valid &&
+	    (ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG))
+		return rate;
+
+	if (rate_table->info[rate].valid_single_stream &&
+	    !(ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG));
+		return rate;
+
+	/* This should not happen */
+	WARN_ON(1);
+
+	rate = ath_rc_priv->valid_rate_index[0];
 
 	return rate;
 }
@@ -796,7 +739,6 @@ static void ath_rc_rate_set_rtscts(struct ath_softc *sc,
 	 * just CTS.  Note that this is only done for OFDM/HT unicast frames.
 	 */
 	if ((sc->sc_flags & SC_OP_PROTECT_ENABLE) &&
-	    !(tx_info->flags & IEEE80211_TX_CTL_NO_ACK) &&
 	    (rate_table->info[rix].phy == WLAN_RC_PHY_OFDM ||
 	     WLAN_RC_PHY_HT(rate_table->info[rix].phy))) {
 		rates[0].flags |= IEEE80211_TX_RC_USE_CTS_PROTECT;
@@ -806,50 +748,37 @@ static void ath_rc_rate_set_rtscts(struct ath_softc *sc,
 	tx_info->control.rts_cts_rate_idx = cix;
 }
 
-static u8 ath_rc_rate_getidx(struct ath_softc *sc,
-			     struct ath_rate_priv *ath_rc_priv,
-			     const struct ath_rate_table *rate_table,
-			     u8 rix, u16 stepdown,
-			     u16 min_rate)
-{
-	u32 j;
-	u8 nextindex = 0;
-
-	if (min_rate) {
-		for (j = RATE_TABLE_SIZE; j > 0; j--) {
-			if (ath_rc_get_nextlowervalid_txrate(rate_table,
-						ath_rc_priv, rix, &nextindex))
-				rix = nextindex;
-			else
-				break;
-		}
-	} else {
-		for (j = stepdown; j > 0; j--) {
-			if (ath_rc_get_nextlowervalid_txrate(rate_table,
-						ath_rc_priv, rix, &nextindex))
-				rix = nextindex;
-			else
-				break;
-		}
-	}
-	return rix;
-}
-
-static void ath_rc_ratefind(struct ath_softc *sc,
-			    struct ath_rate_priv *ath_rc_priv,
-			    struct ieee80211_tx_rate_control *txrc)
+static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
+			 struct ieee80211_tx_rate_control *txrc)
 {
+	struct ath_softc *sc = priv;
+	struct ath_rate_priv *ath_rc_priv = priv_sta;
 	const struct ath_rate_table *rate_table;
 	struct sk_buff *skb = txrc->skb;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_tx_rate *rates = tx_info->control.rates;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 	__le16 fc = hdr->frame_control;
-	u8 try_per_rate = 0, i = 0, rix, nrix;
+	u8 try_per_rate, i = 0, rix, nrix;
 	int is_probe = 0;
 
+	if (rate_control_send_low(sta, priv_sta, txrc))
+		return;
+
+	/*
+	 * For Multi Rate Retry we use a different number of
+	 * retry attempt counts. This ends up looking like this:
+	 *
+	 * MRR[0] = 2
+	 * MRR[1] = 2
+	 * MRR[2] = 2
+	 * MRR[3] = 4
+	 *
+	 */
+	try_per_rate = sc->hw->max_rate_tries;
+
 	rate_table = sc->cur_rate_table;
-	rix = ath_rc_ratefind_ht(sc, ath_rc_priv, rate_table, &is_probe);
+	rix = ath_rc_get_highest_rix(sc, ath_rc_priv, rate_table, &is_probe);
 	nrix = rix;
 
 	if (is_probe) {
@@ -858,18 +787,15 @@ static void ath_rc_ratefind(struct ath_softc *sc,
 		ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
 				       1, nrix, 0);
 
-		try_per_rate = (ATH_11N_TXMAXTRY/4);
 		/* Get the next tried/allowed rate. No RTS for the next series
 		 * after the probe rate
 		 */
-		nrix = ath_rc_rate_getidx(sc, ath_rc_priv,
-					  rate_table, nrix, 1, 0);
+		ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &nrix);
 		ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
 				       try_per_rate, nrix, 0);
 
 		tx_info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
 	} else {
-		try_per_rate = (ATH_11N_TXMAXTRY/4);
 		/* Set the choosen rate. No RTS for first series entry. */
 		ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
 				       try_per_rate, nrix, 0);
@@ -877,18 +803,14 @@ static void ath_rc_ratefind(struct ath_softc *sc,
 
 	/* Fill in the other rates for multirate retry */
 	for ( ; i < 4; i++) {
-		u8 try_num;
-		u8 min_rate;
-
-		try_num = ((i + 1) == 4) ?
-			ATH_11N_TXMAXTRY - (try_per_rate * i) : try_per_rate ;
-		min_rate = (((i + 1) == 4) && 0);
+		/* Use twice the number of tries for the last MRR segment. */
+		if (i + 1 == 4)
+			try_per_rate = 4;
 
-		nrix = ath_rc_rate_getidx(sc, ath_rc_priv,
-					  rate_table, nrix, 1, min_rate);
+		ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &nrix);
 		/* All other rates in the series have RTS enabled */
 		ath_rc_rate_set_series(rate_table, &rates[i], txrc,
-				       try_num, nrix, 1);
+				       try_per_rate, nrix, 1);
 	}
 
 	/*
@@ -925,9 +847,8 @@ static void ath_rc_ratefind(struct ath_softc *sc,
 	 *
 	 * FIXME: Fix duration
 	 */
-	if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK) &&
-	    (ieee80211_has_morefrags(fc) ||
-	     (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG))) {
+	if (ieee80211_has_morefrags(fc) ||
+	    (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG)) {
 		rates[1].count = rates[2].count = rates[3].count = 0;
 		rates[1].idx = rates[2].idx = rates[3].idx = 0;
 		rates[0].count = ATH_TXMAXTRY;
@@ -960,13 +881,13 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 		100 * 9 / 10
 	};
 
-	last_per = ath_rc_priv->state[tx_rate].per;
+	last_per = ath_rc_priv->per[tx_rate];
 
 	if (xretries) {
 		if (xretries == 1) {
-			ath_rc_priv->state[tx_rate].per += 30;
-			if (ath_rc_priv->state[tx_rate].per > 100)
-				ath_rc_priv->state[tx_rate].per = 100;
+			ath_rc_priv->per[tx_rate] += 30;
+			if (ath_rc_priv->per[tx_rate] > 100)
+				ath_rc_priv->per[tx_rate] = 100;
 		} else {
 			/* xretries == 2 */
 			count = ARRAY_SIZE(nretry_to_per_lookup);
@@ -974,7 +895,7 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 				retries = count - 1;
 
 			/* new_PER = 7/8*old_PER + 1/8*(currentPER) */
-			ath_rc_priv->state[tx_rate].per =
+			ath_rc_priv->per[tx_rate] =
 				(u8)(last_per - (last_per >> 3) + (100 >> 3));
 		}
 
@@ -1010,18 +931,14 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 				n_frames = tx_info_priv->n_frames * (retries + 1);
 				cur_per = (100 * n_bad_frames / n_frames) >> 3;
 				new_per = (u8)(last_per - (last_per >> 3) + cur_per);
-				ath_rc_priv->state[tx_rate].per = new_per;
+				ath_rc_priv->per[tx_rate] = new_per;
 			}
 		} else {
-			ath_rc_priv->state[tx_rate].per =
+			ath_rc_priv->per[tx_rate] =
 				(u8)(last_per - (last_per >> 3) +
 				     (nretry_to_per_lookup[retries] >> 3));
 		}
 
-		ath_rc_priv->rssi_last_prev2 = ath_rc_priv->rssi_last_prev;
-		ath_rc_priv->rssi_last_prev  = ath_rc_priv->rssi_last;
-		ath_rc_priv->rssi_last = tx_info_priv->tx.ts_rssi;
-		ath_rc_priv->rssi_time = now_msec;
 
 		/*
 		 * If we got at most one retry then increase the max rate if
@@ -1045,8 +962,8 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 					ath_rc_priv->probe_rate;
 				probe_rate = ath_rc_priv->probe_rate;
 
-				if (ath_rc_priv->state[probe_rate].per > 30)
-					ath_rc_priv->state[probe_rate].per = 20;
+				if (ath_rc_priv->per[probe_rate] > 30)
+					ath_rc_priv->per[probe_rate] = 20;
 
 				ath_rc_priv->probe_rate = 0;
 
@@ -1065,18 +982,9 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 			/*
 			 * Don't update anything.  We don't know if
 			 * this was because of collisions or poor signal.
-			 *
-			 * Later: if rssi_ack is close to
-			 * ath_rc_priv->state[txRate].rssi_thres and we see lots
-			 * of retries, then we could increase
-			 * ath_rc_priv->state[txRate].rssi_thres.
 			 */
 			ath_rc_priv->hw_maxretry_pktcnt = 0;
 		} else {
-			int32_t rssi_ackAvg;
-			int8_t rssi_thres;
-			int8_t rssi_ack_vmin;
-
 			/*
 			 * It worked with no retries. First ignore bogus (small)
 			 * rssi_ack values.
@@ -1086,43 +994,9 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 				ath_rc_priv->hw_maxretry_pktcnt++;
 			}
 
-			if (tx_info_priv->tx.ts_rssi <
-			    rate_table->info[tx_rate].rssi_ack_validmin)
-				goto exit;
-
-			/* Average the rssi */
-			if (tx_rate != ath_rc_priv->rssi_sum_rate) {
-				ath_rc_priv->rssi_sum_rate = tx_rate;
-				ath_rc_priv->rssi_sum =
-					ath_rc_priv->rssi_sum_cnt = 0;
-			}
-
-			ath_rc_priv->rssi_sum += tx_info_priv->tx.ts_rssi;
-			ath_rc_priv->rssi_sum_cnt++;
-
-			if (ath_rc_priv->rssi_sum_cnt < 4)
-				goto exit;
-
-			rssi_ackAvg =
-				(ath_rc_priv->rssi_sum + 2) / 4;
-			rssi_thres =
-				ath_rc_priv->state[tx_rate].rssi_thres;
-			rssi_ack_vmin =
-				rate_table->info[tx_rate].rssi_ack_validmin;
-
-			ath_rc_priv->rssi_sum =
-				ath_rc_priv->rssi_sum_cnt = 0;
-
-			/* Now reduce the current rssi threshold */
-			if ((rssi_ackAvg < rssi_thres + 2) &&
-			    (rssi_thres > rssi_ack_vmin)) {
-				ath_rc_priv->state[tx_rate].rssi_thres--;
-			}
-
-			state_change = true;
 		}
 	}
-exit:
+
 	return state_change;
 }
 
@@ -1134,11 +1008,6 @@ static void ath_rc_update_ht(struct ath_softc *sc,
 			     struct ath_tx_info_priv *tx_info_priv,
 			     int tx_rate, int xretries, int retries)
 {
-#define CHK_RSSI(rate)					\
-	((ath_rc_priv->state[(rate)].rssi_thres +	\
-	  rate_table->info[(rate)].rssi_ack_deltamin) > \
-	 ath_rc_priv->state[(rate)+1].rssi_thres)
-
 	u32 now_msec = jiffies_to_msecs(jiffies);
 	int rate;
 	u8 last_per;
@@ -1149,14 +1018,7 @@ static void ath_rc_update_ht(struct ath_softc *sc,
 	if ((tx_rate < 0) || (tx_rate > rate_table->rate_cnt))
 		return;
 
-	/* To compensate for some imbalance between ctrl and ext. channel */
-
-	if (WLAN_RC_PHY_40(rate_table->info[tx_rate].phy))
-		tx_info_priv->tx.ts_rssi =
-			tx_info_priv->tx.ts_rssi < 3 ? 0 :
-			tx_info_priv->tx.ts_rssi - 3;
-
-	last_per = ath_rc_priv->state[tx_rate].per;
+	last_per = ath_rc_priv->per[tx_rate];
 
 	/* Update PER first */
 	state_change = ath_rc_update_per(sc, rate_table, ath_rc_priv,
@@ -1167,114 +1029,55 @@ static void ath_rc_update_ht(struct ath_softc *sc,
 	 * If this rate looks bad (high PER) then stop using it for
 	 * a while (except if we are probing).
 	 */
-	if (ath_rc_priv->state[tx_rate].per >= 55 && tx_rate > 0 &&
+	if (ath_rc_priv->per[tx_rate] >= 55 && tx_rate > 0 &&
 	    rate_table->info[tx_rate].ratekbps <=
 	    rate_table->info[ath_rc_priv->rate_max_phy].ratekbps) {
-		ath_rc_get_nextlowervalid_txrate(rate_table, ath_rc_priv,
-				 (u8)tx_rate, &ath_rc_priv->rate_max_phy);
+		ath_rc_get_lower_rix(rate_table, ath_rc_priv,
+				     (u8)tx_rate, &ath_rc_priv->rate_max_phy);
 
 		/* Don't probe for a little while. */
 		ath_rc_priv->probe_time = now_msec;
 	}
 
-	if (state_change) {
-		/*
-		 * Make sure the rates above this have higher rssi thresholds.
-		 * (Note:  Monotonicity is kept within the OFDM rates and
-		 *         within the CCK rates. However, no adjustment is
-		 *         made to keep the rssi thresholds monotonically
-		 *         increasing between the CCK and OFDM rates.)
-		 */
-		for (rate = tx_rate; rate < size - 1; rate++) {
-			if (rate_table->info[rate+1].phy !=
-			    rate_table->info[tx_rate].phy)
-				break;
-
-			if (CHK_RSSI(rate)) {
-				ath_rc_priv->state[rate+1].rssi_thres =
-					ath_rc_priv->state[rate].rssi_thres +
-					rate_table->info[rate].rssi_ack_deltamin;
-			}
-		}
-
-		/* Make sure the rates below this have lower rssi thresholds. */
-		for (rate = tx_rate - 1; rate >= 0; rate--) {
-			if (rate_table->info[rate].phy !=
-			    rate_table->info[tx_rate].phy)
-				break;
-
-			if (CHK_RSSI(rate)) {
-				if (ath_rc_priv->state[rate+1].rssi_thres <
-				    rate_table->info[rate].rssi_ack_deltamin)
-					ath_rc_priv->state[rate].rssi_thres = 0;
-				else {
-					ath_rc_priv->state[rate].rssi_thres =
-					ath_rc_priv->state[rate+1].rssi_thres -
-					rate_table->info[rate].rssi_ack_deltamin;
-				}
-
-				if (ath_rc_priv->state[rate].rssi_thres <
-				    rate_table->info[rate].rssi_ack_validmin) {
-					ath_rc_priv->state[rate].rssi_thres =
-					rate_table->info[rate].rssi_ack_validmin;
-				}
-			}
-		}
-	}
-
 	/* Make sure the rates below this have lower PER */
 	/* Monotonicity is kept only for rates below the current rate. */
-	if (ath_rc_priv->state[tx_rate].per < last_per) {
+	if (ath_rc_priv->per[tx_rate] < last_per) {
 		for (rate = tx_rate - 1; rate >= 0; rate--) {
 			if (rate_table->info[rate].phy !=
 			    rate_table->info[tx_rate].phy)
 				break;
 
-			if (ath_rc_priv->state[rate].per >
-			    ath_rc_priv->state[rate+1].per) {
-				ath_rc_priv->state[rate].per =
-					ath_rc_priv->state[rate+1].per;
+			if (ath_rc_priv->per[rate] >
+			    ath_rc_priv->per[rate+1]) {
+				ath_rc_priv->per[rate] =
+					ath_rc_priv->per[rate+1];
 			}
 		}
 	}
 
 	/* Maintain monotonicity for rates above the current rate */
 	for (rate = tx_rate; rate < size - 1; rate++) {
-		if (ath_rc_priv->state[rate+1].per <
-		    ath_rc_priv->state[rate].per)
-			ath_rc_priv->state[rate+1].per =
-				ath_rc_priv->state[rate].per;
-	}
-
-	/* Every so often, we reduce the thresholds and
-	 * PER (different for CCK and OFDM). */
-	if (now_msec - ath_rc_priv->rssi_down_time >=
-	    rate_table->rssi_reduce_interval) {
-
-		for (rate = 0; rate < size; rate++) {
-			if (ath_rc_priv->state[rate].rssi_thres >
-			    rate_table->info[rate].rssi_ack_validmin)
-				ath_rc_priv->state[rate].rssi_thres -= 1;
-		}
-		ath_rc_priv->rssi_down_time = now_msec;
+		if (ath_rc_priv->per[rate+1] <
+		    ath_rc_priv->per[rate])
+			ath_rc_priv->per[rate+1] =
+				ath_rc_priv->per[rate];
 	}
 
 	/* Every so often, we reduce the thresholds
 	 * and PER (different for CCK and OFDM). */
 	if (now_msec - ath_rc_priv->per_down_time >=
-	    rate_table->rssi_reduce_interval) {
+	    rate_table->probe_interval) {
 		for (rate = 0; rate < size; rate++) {
-			ath_rc_priv->state[rate].per =
-				7 * ath_rc_priv->state[rate].per / 8;
+			ath_rc_priv->per[rate] =
+				7 * ath_rc_priv->per[rate] / 8;
 		}
 
 		ath_rc_priv->per_down_time = now_msec;
 	}
 
 	ath_debug_stat_retries(sc, tx_rate, xretries, retries,
-			       ath_rc_priv->state[tx_rate].per);
+			       ath_rc_priv->per[tx_rate]);
 
-#undef CHK_RSSI
 }
 
 static int ath_rc_get_rateindex(const struct ath_rate_table *rate_table,
@@ -1410,9 +1213,7 @@ static void ath_rc_init(struct ath_softc *sc,
 
 	/* Initialize thresholds according to the global rate table */
 	for (i = 0 ; i < ath_rc_priv->rate_table_size; i++) {
-		ath_rc_priv->state[i].rssi_thres =
-			rate_table->info[i].rssi_ack_validmin;
-		ath_rc_priv->state[i].per = 0;
+		ath_rc_priv->per[i] = 0;
 	}
 
 	/* Determine the valid rates */
@@ -1521,7 +1322,7 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 	/*
 	 * If underrun error is seen assume it as an excessive retry only
 	 * if prefetch trigger level have reached the max (0x3f for 5416)
-	 * Adjust the long retry as if the frame was tried ATH_11N_TXMAXTRY
+	 * Adjust the long retry as if the frame was tried hw->max_rate_tries
 	 * times. This affects how ratectrl updates PER for the failed rate.
 	 */
 	if (tx_info_priv->tx.ts_flags &
@@ -1536,7 +1337,7 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 		tx_status = 1;
 
 	ath_rc_tx_status(sc, ath_rc_priv, tx_info, final_ts_idx, tx_status,
-			 (is_underrun) ? ATH_11N_TXMAXTRY :
+			 (is_underrun) ? sc->hw->max_rate_tries :
 			 tx_info_priv->tx.ts_longretry);
 
 	/* Check if aggregation has to be enabled for this tid */
@@ -1560,31 +1361,6 @@ exit:
 	kfree(tx_info_priv);
 }
 
-static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
-			 struct ieee80211_tx_rate_control *txrc)
-{
-	struct ieee80211_supported_band *sband = txrc->sband;
-	struct sk_buff *skb = txrc->skb;
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-	struct ath_softc *sc = priv;
-	struct ath_rate_priv *ath_rc_priv = priv_sta;
-	__le16 fc = hdr->frame_control;
-
-	/* lowest rate for management and NO_ACK frames */
-	if (!ieee80211_is_data(fc) ||
-	    tx_info->flags & IEEE80211_TX_CTL_NO_ACK || !sta) {
-		tx_info->control.rates[0].idx = rate_lowest_index(sband, sta);
-		tx_info->control.rates[0].count =
-			(tx_info->flags & IEEE80211_TX_CTL_NO_ACK) ?
-				1 : ATH_MGT_TXMAXTRY;
-		return;
-	}
-
-	/* Find tx rate for unicast frames */
-	ath_rc_ratefind(sc, ath_rc_priv, txrc);
-}
-
 static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
                           struct ieee80211_sta *sta, void *priv_sta)
 {
@@ -1697,7 +1473,6 @@ static void *ath_rate_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp
 		return NULL;
 	}
 
-	rate_priv->rssi_down_time = jiffies_to_msecs(jiffies);
 	rate_priv->tx_triglevel_max = sc->sc_ah->caps.tx_triglevel_max;
 
 	return rate_priv;
@@ -1725,8 +1500,6 @@ static struct rate_control_ops ath_rate_ops = {
 
 void ath_rate_attach(struct ath_softc *sc)
 {
-	sc->hw_rate_table[ATH9K_MODE_11B] =
-		&ar5416_11b_ratetable;
 	sc->hw_rate_table[ATH9K_MODE_11A] =
 		&ar5416_11a_ratetable;
 	sc->hw_rate_table[ATH9K_MODE_11G] =

drivers/net/wireless/ath/ath9k/rc.h

@@ -112,8 +112,6 @@ struct ath_rate_table {
 		u8 short_preamble;
 		u8 dot11rate;
 		u8 ctrl_rate;
-		int8_t rssi_ack_validmin;
-		int8_t rssi_ack_deltamin;
 		u8 base_index;
 		u8 cw40index;
 		u8 sgi_index;
@@ -121,15 +119,9 @@ struct ath_rate_table {
 		u32 max_4ms_framelen;
 	} info[RATE_TABLE_SIZE];
 	u32 probe_interval;
-	u32 rssi_reduce_interval;
 	u8 initial_ratemax;
 };
 
-struct ath_tx_ratectrl_state {
-	int8_t rssi_thres;	/* required rssi for this rate (dB) */
-	u8 per;			/* recent estimate of packet error rate (%) */
-};
-
 struct ath_rateset {
 	u8 rs_nrates;
 	u8 rs_rates[ATH_RATE_MAX];
@@ -138,22 +130,14 @@ struct ath_rateset {
 /**
  * struct ath_rate_priv - Rate Control priv data
  * @state: RC state
- * @rssi_last: last ACK rssi
- * @rssi_last_lookup: last ACK rssi used for lookup
- * @rssi_last_prev: previous last ACK rssi
- * @rssi_last_prev2: 2nd previous last ACK rssi
- * @rssi_sum_cnt: count of rssi_sum for averaging
- * @rssi_sum_rate: rate that we are averaging
- * @rssi_sum: running sum of rssi for averaging
  * @probe_rate: rate we are probing at
- * @rssi_time: msec timestamp for last ack rssi
- * @rssi_down_time: msec timestamp for last down step
  * @probe_time: msec timestamp for last probe
  * @hw_maxretry_pktcnt: num of packets since we got HW max retry error
  * @max_valid_rate: maximum number of valid rate
  * @per_down_time: msec timestamp for last PER down step
  * @valid_phy_ratecnt: valid rate count
  * @rate_max_phy: phy index for the max rate
+ * @per: PER for every valid rate in %
  * @probe_interval: interval for ratectrl to probe for other rates
  * @prev_data_rix: rate idx of last data frame
  * @ht_cap: HT capabilities
@@ -161,13 +145,6 @@ struct ath_rateset {
  * @neg_ht_rates: Negotiated HT rates
  */
 struct ath_rate_priv {
-	int8_t rssi_last;
-	int8_t rssi_last_lookup;
-	int8_t rssi_last_prev;
-	int8_t rssi_last_prev2;
-	int32_t rssi_sum_cnt;
-	int32_t rssi_sum_rate;
-	int32_t rssi_sum;
 	u8 rate_table_size;
 	u8 probe_rate;
 	u8 hw_maxretry_pktcnt;
@@ -177,14 +154,12 @@ struct ath_rate_priv {
 	u8 valid_phy_ratecnt[WLAN_RC_PHY_MAX];
 	u8 valid_phy_rateidx[WLAN_RC_PHY_MAX][RATE_TABLE_SIZE];
 	u8 rate_max_phy;
-	u32 rssi_time;
-	u32 rssi_down_time;
+	u8 per[RATE_TABLE_SIZE];
 	u32 probe_time;
 	u32 per_down_time;
 	u32 probe_interval;
 	u32 prev_data_rix;
 	u32 tx_triglevel_max;
-	struct ath_tx_ratectrl_state state[RATE_TABLE_SIZE];
 	struct ath_rateset neg_rates;
 	struct ath_rateset neg_ht_rates;
 	struct ath_rate_softc *asc;

drivers/net/wireless/ath/ath9k/recv.c

@@ -145,6 +145,10 @@ static int ath_rx_prepare(struct sk_buff *skb, struct ath_desc *ds,
 	u8 ratecode;
 	__le16 fc;
 	struct ieee80211_hw *hw;
+	struct ieee80211_sta *sta;
+	struct ath_node *an;
+	int last_rssi = ATH_RSSI_DUMMY_MARKER;
+
 
 	hdr = (struct ieee80211_hdr *)skb->data;
 	fc = hdr->frame_control;
@@ -229,11 +233,30 @@ static int ath_rx_prepare(struct sk_buff *skb, struct ath_desc *ds,
 		}
 	}
 
+	rcu_read_lock();
+	sta = ieee80211_find_sta(sc->hw, hdr->addr2);
+	if (sta) {
+		an = (struct ath_node *) sta->drv_priv;
+		if (ds->ds_rxstat.rs_rssi != ATH9K_RSSI_BAD &&
+		   !ds->ds_rxstat.rs_moreaggr)
+			ATH_RSSI_LPF(an->last_rssi, ds->ds_rxstat.rs_rssi);
+		last_rssi = an->last_rssi;
+	}
+	rcu_read_unlock();
+
+	if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
+		ds->ds_rxstat.rs_rssi = ATH_EP_RND(last_rssi,
+					ATH_RSSI_EP_MULTIPLIER);
+	if (ds->ds_rxstat.rs_rssi < 0)
+		ds->ds_rxstat.rs_rssi = 0;
+	else if (ds->ds_rxstat.rs_rssi > 127)
+		ds->ds_rxstat.rs_rssi = 127;
+
 	rx_status->mactime = ath_extend_tsf(sc, ds->ds_rxstat.rs_tstamp);
 	rx_status->band = hw->conf.channel->band;
 	rx_status->freq = hw->conf.channel->center_freq;
 	rx_status->noise = sc->ani.noise_floor;
-	rx_status->signal = rx_status->noise + ds->ds_rxstat.rs_rssi;
+	rx_status->signal = ATH_DEFAULT_NOISE_FLOOR + ds->ds_rxstat.rs_rssi;
 	rx_status->antenna = ds->ds_rxstat.rs_antenna;
 
 	/*

drivers/net/wireless/ath/ath9k/reg.h

@@ -574,6 +574,7 @@
 
 #define AR_D_GBL_IFS_SIFS         0x1030
 #define AR_D_GBL_IFS_SIFS_M       0x0000FFFF
+#define AR_D_GBL_IFS_SIFS_ASYNC_FIFO_DUR 0x000003AB
 #define AR_D_GBL_IFS_SIFS_RESV0   0xFFFFFFFF
 
 #define AR_D_TXBLK_BASE            0x1038
@@ -589,10 +590,12 @@
 #define AR_D_GBL_IFS_SLOT         0x1070
 #define AR_D_GBL_IFS_SLOT_M       0x0000FFFF
 #define AR_D_GBL_IFS_SLOT_RESV0   0xFFFF0000
+#define AR_D_GBL_IFS_SLOT_ASYNC_FIFO_DUR   0x00000420
 
 #define AR_D_GBL_IFS_EIFS         0x10b0
 #define AR_D_GBL_IFS_EIFS_M       0x0000FFFF
 #define AR_D_GBL_IFS_EIFS_RESV0   0xFFFF0000
+#define AR_D_GBL_IFS_EIFS_ASYNC_FIFO_DUR   0x0000A5EB
 
 #define AR_D_GBL_IFS_MISC        0x10f0
 #define AR_D_GBL_IFS_MISC_LFSR_SLICE_SEL        0x00000007
@@ -738,6 +741,9 @@
 #define AR_SREV_REVISION_9285_10              0
 #define AR_SREV_REVISION_9285_11              1
 #define AR_SREV_REVISION_9285_12              2
+#define AR_SREV_VERSION_9287                  0x180
+#define AR_SREV_REVISION_9287_10              0
+#define AR_SREV_REVISION_9287_11              1
 
 #define AR_SREV_5416(_ah) \
 	(((_ah)->hw_version.macVersion == AR_SREV_VERSION_5416_PCI) || \
@@ -794,6 +800,21 @@
 	 (AR_SREV_9285(ah) && ((_ah)->hw_version.macRev >= \
 			       AR_SREV_REVISION_9285_12)))
 
+#define AR_SREV_9287(_ah) \
+	(((_ah)->hw_version.macVersion == AR_SREV_VERSION_9287))
+#define AR_SREV_9287_10_OR_LATER(_ah) \
+	(((_ah)->hw_version.macVersion >= AR_SREV_VERSION_9287))
+#define AR_SREV_9287_10(_ah) \
+	(((_ah)->hw_version.macVersion == AR_SREV_VERSION_9287) && \
+	 ((_ah)->hw_version.macRev == AR_SREV_REVISION_9287_10))
+#define AR_SREV_9287_11(_ah) \
+	(((_ah)->hw_version.macVersion == AR_SREV_VERSION_9287) && \
+	 ((_ah)->hw_version.macRev == AR_SREV_REVISION_9287_11))
+#define AR_SREV_9287_11_OR_LATER(_ah) \
+	(((_ah)->hw_version.macVersion > AR_SREV_VERSION_9287) || \
+	 (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9287) && \
+	  ((_ah)->hw_version.macRev >= AR_SREV_REVISION_9287_11)))
+
 #define AR_RADIO_SREV_MAJOR                   0xf0
 #define AR_RAD5133_SREV_MAJOR                 0xc0
 #define AR_RAD2133_SREV_MAJOR                 0xd0
@@ -809,6 +830,9 @@
 #define AR_AHB_PAGE_SIZE_1K                   0x00000000
 #define AR_AHB_PAGE_SIZE_2K                   0x00000008
 #define AR_AHB_PAGE_SIZE_4K                   0x00000010
+#define AR_AHB_CUSTOM_BURST_EN                0x000000C0
+#define AR_AHB_CUSTOM_BURST_EN_S              6
+#define AR_AHB_CUSTOM_BURST_ASYNC_FIFO_VAL    3
 
 #define AR_INTR_RTC_IRQ                       0x00000001
 #define AR_INTR_MAC_IRQ                       0x00000002
@@ -885,6 +909,7 @@ enum {
 #define AR_NUM_GPIO                              14
 #define AR928X_NUM_GPIO                          10
 #define AR9285_NUM_GPIO                          12
+#define AR9287_NUM_GPIO                          11
 
 #define AR_GPIO_IN_OUT                           0x4048
 #define AR_GPIO_IN_VAL                           0x0FFFC000
@@ -893,6 +918,8 @@ enum {
 #define AR928X_GPIO_IN_VAL_S                     10
 #define AR9285_GPIO_IN_VAL                       0x00FFF000
 #define AR9285_GPIO_IN_VAL_S                     12
+#define AR9287_GPIO_IN_VAL                       0x003FF800
+#define AR9287_GPIO_IN_VAL_S                     11
 
 #define AR_GPIO_OE_OUT                           0x404c
 #define AR_GPIO_OE_OUT_DRV                       0x3
@@ -1154,6 +1181,33 @@ enum {
 #define AR9285_AN_TOP4           0x7870
 #define AR9285_AN_TOP4_DEFAULT   0x10142c00
 
+#define AR9287_AN_RF2G3_CH0             0x7808
+#define AR9287_AN_RF2G3_CH1             0x785c
+#define AR9287_AN_RF2G3_DB1             0xE0000000
+#define AR9287_AN_RF2G3_DB1_S           29
+#define AR9287_AN_RF2G3_DB2             0x1C000000
+#define AR9287_AN_RF2G3_DB2_S           26
+#define AR9287_AN_RF2G3_OB_CCK          0x03800000
+#define AR9287_AN_RF2G3_OB_CCK_S        23
+#define AR9287_AN_RF2G3_OB_PSK          0x00700000
+#define AR9287_AN_RF2G3_OB_PSK_S        20
+#define AR9287_AN_RF2G3_OB_QAM          0x000E0000
+#define AR9287_AN_RF2G3_OB_QAM_S        17
+#define AR9287_AN_RF2G3_OB_PAL_OFF      0x0001C000
+#define AR9287_AN_RF2G3_OB_PAL_OFF_S    14
+
+#define AR9287_AN_TXPC0                 0x7898
+#define AR9287_AN_TXPC0_TXPCMODE        0x0000C000
+#define AR9287_AN_TXPC0_TXPCMODE_S      14
+#define AR9287_AN_TXPC0_TXPCMODE_NORMAL    0
+#define AR9287_AN_TXPC0_TXPCMODE_TEST      1
+#define AR9287_AN_TXPC0_TXPCMODE_TEMPSENSE 2
+#define AR9287_AN_TXPC0_TXPCMODE_ATBTEST   3
+
+#define AR9287_AN_TOP2                  0x78b4
+#define AR9287_AN_TOP2_XPABIAS_LVL      0xC0000000
+#define AR9287_AN_TOP2_XPABIAS_LVL_S    30
+
 #define AR_STA_ID0                 0x8000
 #define AR_STA_ID1                 0x8004
 #define AR_STA_ID1_SADH_MASK       0x0000FFFF
@@ -1188,6 +1242,7 @@ enum {
 #define AR_TIME_OUT_ACK_S    0
 #define AR_TIME_OUT_CTS      0x3FFF0000
 #define AR_TIME_OUT_CTS_S    16
+#define AR_TIME_OUT_ACK_CTS_ASYNC_FIFO_DUR    0x16001D56
 
 #define AR_RSSI_THR          0x8018
 #define AR_RSSI_THR_MASK     0x000000FF
@@ -1203,6 +1258,7 @@ enum {
 #define AR_USEC_TX_LAT_S     14
 #define AR_USEC_RX_LAT       0x1F800000
 #define AR_USEC_RX_LAT_S     23
+#define AR_USEC_ASYNC_FIFO_DUR    0x12e00074
 
 #define AR_RESET_TSF        0x8020
 #define AR_RESET_TSF_ONCE   0x01000000
@@ -1468,6 +1524,10 @@ enum {
 #define AR_SLP_MIB_CLEAR   0x00000001
 #define AR_SLP_MIB_PENDING 0x00000002
 
+#define AR_MAC_PCU_LOGIC_ANALYZER               0x8264
+#define AR_MAC_PCU_LOGIC_ANALYZER_DISBUG20768   0x20000000
+
+
 #define AR_2040_MODE                0x8318
 #define AR_2040_JOINED_RX_CLEAR 0x00000001
 
@@ -1485,6 +1545,39 @@ enum {
 #define AR_PCU_MISC_MODE2_MGMT_CRYPTO_ENABLE           0x00000002
 #define AR_PCU_MISC_MODE2_NO_CRYPTO_FOR_NON_DATA_PKT   0x00000004
 
+#define AR_PCU_MISC_MODE2_RESERVED                     0x00000038
+#define AR_PCU_MISC_MODE2_ADHOC_MCAST_KEYID_ENABLE     0x00000040
+#define AR_PCU_MISC_MODE2_CFP_IGNORE                   0x00000080
+#define AR_PCU_MISC_MODE2_MGMT_QOS                     0x0000FF00
+#define AR_PCU_MISC_MODE2_MGMT_QOS_S                   8
+#define AR_PCU_MISC_MODE2_ENABLE_LOAD_NAV_BEACON_DURATION 0x00010000
+#define AR_PCU_MISC_MODE2_ENABLE_AGGWEP                0x00020000
+#define AR_PCU_MISC_MODE2_HWWAR1                       0x00100000
+#define AR_PCU_MISC_MODE2_HWWAR2                       0x02000000
+#define AR_PCU_MISC_MODE2_RESERVED2                    0xFFFE0000
+
+#define AR_MAC_PCU_ASYNC_FIFO_REG3                     0x8358
+#define AR_MAC_PCU_ASYNC_FIFO_REG3_DATAPATH_SEL        0x00000400
+#define AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET          0x80000000
+
+
+#define AR_AES_MUTE_MASK0       0x805c
+#define AR_AES_MUTE_MASK0_FC    0x0000FFFF
+#define AR_AES_MUTE_MASK0_QOS   0xFFFF0000
+#define AR_AES_MUTE_MASK0_QOS_S 16
+
+#define AR_AES_MUTE_MASK1              0x8060
+#define AR_AES_MUTE_MASK1_SEQ          0x0000FFFF
+#define AR_AES_MUTE_MASK1_SEQ_S        0
+#define AR_AES_MUTE_MASK1_FC_MGMT      0xFFFF0000
+#define AR_AES_MUTE_MASK1_FC_MGMT_S    16
+
+#define AR_RATE_DURATION_0      0x8700
+#define AR_RATE_DURATION_31     0x87CC
+#define AR_RATE_DURATION_32     0x8780
+#define AR_RATE_DURATION(_n)    (AR_RATE_DURATION_0 + ((_n)<<2))
+
+
 #define AR_KEYTABLE_0           0x8800
 #define AR_KEYTABLE(_n)         (AR_KEYTABLE_0 + ((_n)*32))
 #define AR_KEY_CACHE_SIZE       128

drivers/net/wireless/ath/ath9k/virtual.c

@@ -660,3 +660,20 @@ void ath9k_wiphy_set_scheduler(struct ath_softc *sc, unsigned int msec_int)
 		queue_delayed_work(sc->hw->workqueue, &sc->wiphy_work,
 				   sc->wiphy_scheduler_int);
 }
+
+/* caller must hold wiphy_lock */
+bool ath9k_all_wiphys_idle(struct ath_softc *sc)
+{
+	unsigned int i;
+	if (sc->pri_wiphy->state != ATH_WIPHY_INACTIVE) {
+		return false;
+	}
+	for (i = 0; i < sc->num_sec_wiphy; i++) {
+		struct ath_wiphy *aphy = sc->sec_wiphy[i];
+		if (!aphy)
+			continue;
+		if (aphy->state != ATH_WIPHY_INACTIVE)
+			return false;
+	}
+	return true;
+}

drivers/net/wireless/ath/ath9k/xmit.c

@@ -242,7 +242,6 @@ static struct ath_buf* ath_clone_txbuf(struct ath_softc *sc, struct ath_buf *bf)
 		spin_unlock_bh(&sc->tx.txbuflock);
 		return NULL;
 	}
-	ASSERT(!list_empty((&sc->tx.txbuf)));
 	tbf = list_first_entry(&sc->tx.txbuf, struct ath_buf, list);
 	list_del(&tbf->list);
 	spin_unlock_bh(&sc->tx.txbuflock);
@@ -383,8 +382,24 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 				struct ath_buf *tbf;
 
 				tbf = ath_clone_txbuf(sc, bf_last);
-				if (!tbf)
+				/*
+				 * Update tx baw and complete the frame with
+				 * failed status if we run out of tx buf
+				 */
+				if (!tbf) {
+					spin_lock_bh(&txq->axq_lock);
+					ath_tx_update_baw(sc, tid,
+							  bf->bf_seqno);
+					spin_unlock_bh(&txq->axq_lock);
+
+					bf->bf_state.bf_type |= BUF_XRETRY;
+					ath_tx_rc_status(bf, ds, nbad,
+							 0, false);
+					ath_tx_complete_buf(sc, bf, &bf_head,
+							    0, 0);
 					break;
+				}
+
 				ath9k_hw_cleartxdesc(sc->sc_ah, tbf->bf_desc);
 				list_add_tail(&tbf->list, &bf_head);
 			} else {
@@ -857,6 +872,7 @@ struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
 		txq->axq_aggr_depth = 0;
 		txq->axq_totalqueued = 0;
 		txq->axq_linkbuf = NULL;
+		txq->axq_tx_inprogress = false;
 		sc->tx.txqsetup |= 1<<qnum;
 	}
 	return &sc->tx.txq[qnum];
@@ -1023,6 +1039,10 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
 			ath_tx_complete_buf(sc, bf, &bf_head, 0, 0);
 	}
 
+	spin_lock_bh(&txq->axq_lock);
+	txq->axq_tx_inprogress = false;
+	spin_unlock_bh(&txq->axq_lock);
+
 	/* flush any pending frames if aggregation is enabled */
 	if (sc->sc_flags & SC_OP_TXAGGR) {
 		if (!retry_tx) {
@@ -1103,8 +1123,7 @@ void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq)
 		if (tid->paused)
 			continue;
 
-		if ((txq->axq_depth % 2) == 0)
-			ath_tx_sched_aggr(sc, txq, tid);
+		ath_tx_sched_aggr(sc, txq, tid);
 
 		/*
 		 * add tid to round-robin queue if more frames
@@ -1947,19 +1966,7 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 		if (bf->bf_stale) {
 			bf_held = bf;
 			if (list_is_last(&bf_held->list, &txq->axq_q)) {
-				txq->axq_link = NULL;
-				txq->axq_linkbuf = NULL;
 				spin_unlock_bh(&txq->axq_lock);
-
-				/*
-				 * The holding descriptor is the last
-				 * descriptor in queue. It's safe to remove
-				 * the last holding descriptor in BH context.
-				 */
-				spin_lock_bh(&sc->tx.txbuflock);
-				list_move_tail(&bf_held->list, &sc->tx.txbuf);
-				spin_unlock_bh(&sc->tx.txbuflock);
-
 				break;
 			} else {
 				bf = list_entry(bf_held->list.next,
@@ -1996,6 +2003,7 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 			txq->axq_aggr_depth--;
 
 		txok = (ds->ds_txstat.ts_status == 0);
+		txq->axq_tx_inprogress = false;
 		spin_unlock_bh(&txq->axq_lock);
 
 		if (bf_held) {
@@ -2029,6 +2037,40 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 	}
 }
 
+void ath_tx_complete_poll_work(struct work_struct *work)
+{
+	struct ath_softc *sc = container_of(work, struct ath_softc,
+			tx_complete_work.work);
+	struct ath_txq *txq;
+	int i;
+	bool needreset = false;
+
+	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
+		if (ATH_TXQ_SETUP(sc, i)) {
+			txq = &sc->tx.txq[i];
+			spin_lock_bh(&txq->axq_lock);
+			if (txq->axq_depth) {
+				if (txq->axq_tx_inprogress) {
+					needreset = true;
+					spin_unlock_bh(&txq->axq_lock);
+					break;
+				} else {
+					txq->axq_tx_inprogress = true;
+				}
+			}
+			spin_unlock_bh(&txq->axq_lock);
+		}
+
+	if (needreset) {
+		DPRINTF(sc, ATH_DBG_RESET, "tx hung, resetting the chip\n");
+		ath_reset(sc, false);
+	}
+
+	queue_delayed_work(sc->hw->workqueue, &sc->tx_complete_work,
+			msecs_to_jiffies(ATH_TX_COMPLETE_POLL_INT));
+}
+
+
 
 void ath_tx_tasklet(struct ath_softc *sc)
 {
@@ -2069,6 +2111,8 @@ int ath_tx_init(struct ath_softc *sc, int nbufs)
 		goto err;
 	}
 
+	INIT_DELAYED_WORK(&sc->tx_complete_work, ath_tx_complete_poll_work);
+
 err:
 	if (error != 0)
 		ath_tx_cleanup(sc);

drivers/net/wireless/b43/main.c

@@ -938,7 +938,6 @@ static void b43_clear_keys(struct b43_wldev *dev)
 static void b43_dump_keymemory(struct b43_wldev *dev)
 {
 	unsigned int i, index, offset;
-	DECLARE_MAC_BUF(macbuf);
 	u8 mac[ETH_ALEN];
 	u16 algo;
 	u32 rcmta0;
@@ -973,8 +972,7 @@ static void b43_dump_keymemory(struct b43_wldev *dev)
 						((index - 4) * 2) + 1);
 			*((__le32 *)(&mac[0])) = cpu_to_le32(rcmta0);
 			*((__le16 *)(&mac[4])) = cpu_to_le16(rcmta1);
-			printk("   MAC: %s",
-			       print_mac(macbuf, mac));
+			printk("   MAC: %pM", mac);
 		} else
 			printk("   DEFAULT KEY");
 		printk("\n");

drivers/net/wireless/hostap/hostap_cs.c

@@ -666,7 +666,8 @@ static int prism2_config(struct pcmcia_device *link)
 	 * irq structure is initialized.
 	 */
 	if (link->conf.Attributes & CONF_ENABLE_IRQ) {
-		link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
+		link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING |
+				       IRQ_HANDLE_PRESENT;
 		link->irq.IRQInfo1 = IRQ_LEVEL_ID;
 		link->irq.Handler = prism2_interrupt;
 		link->irq.Instance = dev;

drivers/net/wireless/ipw2x00/ipw2200.c

@@ -7250,9 +7250,6 @@ static void ipw_bg_qos_activate(struct work_struct *work)
 	struct ipw_priv *priv =
 		container_of(work, struct ipw_priv, qos_activate);
 
-	if (priv == NULL)
-		return;
-
 	mutex_lock(&priv->mutex);
 
 	if (priv->status & STATUS_ASSOCIATED)

drivers/net/wireless/iwlwifi/iwl-1000.c

@@ -46,7 +46,7 @@
 #include "iwl-5000-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL1000_UCODE_API_MAX 2
+#define IWL1000_UCODE_API_MAX 3
 
 /* Lowest firmware API version supported */
 #define IWL1000_UCODE_API_MIN 1

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

@@ -232,9 +232,8 @@ struct iwl3945_eeprom {
 #define PCI_CFG_REV_ID_BIT_BASIC_SKU                (0x40)	/* bit 6    */
 #define PCI_CFG_REV_ID_BIT_RTP                      (0x80)	/* bit 7    */
 
-#define TFD_QUEUE_MIN           0
-#define TFD_QUEUE_MAX           5	/* 4 DATA + 1 CMD */
-
+/* 4 DATA + 1 CMD. There are 2 HCCA queues that are not used. */
+#define IWL39_NUM_QUEUES        5
 #define IWL_NUM_SCAN_RATES         (2)
 
 #define IWL_DEFAULT_TX_RETRY  15
@@ -280,8 +279,6 @@ struct iwl3945_eeprom {
 /* Size of uCode instruction memory in bootstrap state machine */
 #define IWL39_MAX_BSM_SIZE IWL39_RTC_INST_SIZE
 
-#define IWL39_MAX_NUM_QUEUES	8
-
 static inline int iwl3945_hw_valid_rtc_data_addr(u32 addr)
 {
 	return (addr >= IWL39_RTC_DATA_LOWER_BOUND) &&

drivers/net/wireless/iwlwifi/iwl-3945-rs.c

@@ -673,33 +673,17 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
 	s8 scale_action = 0;
 	unsigned long flags;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	u16 fc;
-	u16 rate_mask = 0;
+	u16 rate_mask = sta ? sta->supp_rates[sband->band] : 0;
 	s8 max_rate_idx = -1;
 	struct iwl_priv *priv = (struct iwl_priv *)priv_r;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 
 	IWL_DEBUG_RATE(priv, "enter\n");
 
-	if (sta)
-		rate_mask = sta->supp_rates[sband->band];
-
-	/* Send management frames and NO_ACK data using lowest rate. */
-	fc = le16_to_cpu(hdr->frame_control);
-	if ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
-	    info->flags & IEEE80211_TX_CTL_NO_ACK ||
-	    !sta || !priv_sta) {
-		IWL_DEBUG_RATE(priv, "leave: No STA priv data to update!\n");
-		if (!rate_mask)
-			info->control.rates[0].idx =
-					rate_lowest_index(sband, NULL);
-		else
-			info->control.rates[0].idx =
-					rate_lowest_index(sband, sta);
-		if (info->flags & IEEE80211_TX_CTL_NO_ACK)
-			info->control.rates[0].count = 1;
+	if (rate_control_send_low(sta, priv_sta, txrc))
 		return;
-	}
+
+	rate_mask = sta->supp_rates[sband->band];
 
 	/* get user max rate if set */
 	max_rate_idx = txrc->max_rate_idx;

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

@@ -502,14 +502,14 @@ static void _iwl3945_dbg_report_frame(struct iwl_priv *priv,
 		}
 	}
 	if (print_dump)
-		iwl_print_hex_dump(priv, IWL_DL_RX, data, length);
+		iwl_print_hex_dump(IWL_DL_RX, data, length);
 }
 
 static void iwl3945_dbg_report_frame(struct iwl_priv *priv,
 		      struct iwl_rx_packet *pkt,
 		      struct ieee80211_hdr *header, int group100)
 {
-	if (priv->debug_level & IWL_DL_RX)
+	if (iwl_debug_level & IWL_DL_RX)
 		_iwl3945_dbg_report_frame(priv, pkt, header, group100);
 }
 
@@ -963,7 +963,7 @@ static int iwl3945_txq_ctx_reset(struct iwl_priv *priv)
 		goto error;
 
 	/* Tx queue(s) */
-	for (txq_id = 0; txq_id <= priv->hw_params.max_txq_num; txq_id++) {
+	for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) {
 		slots_num = (txq_id == IWL_CMD_QUEUE_NUM) ?
 				TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS;
 		rc = iwl_tx_queue_init(priv, &priv->txq[txq_id], slots_num,
@@ -1140,7 +1140,7 @@ void iwl3945_hw_txq_ctx_free(struct iwl_priv *priv)
 	int txq_id;
 
 	/* Tx queues */
-	for (txq_id = 0; txq_id <= priv->hw_params.max_txq_num; txq_id++)
+	for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++)
 		if (txq_id == IWL_CMD_QUEUE_NUM)
 			iwl_cmd_queue_free(priv);
 		else
@@ -1156,7 +1156,7 @@ void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv)
 	iwl_write_prph(priv, ALM_SCD_MODE_REG, 0);
 
 	/* reset TFD queues */
-	for (txq_id = 0; txq_id <= priv->hw_params.max_txq_num; txq_id++) {
+	for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) {
 		iwl_write_direct32(priv, FH39_TCSR_CONFIG(txq_id), 0x0);
 		iwl_poll_direct_bit(priv, FH39_TSSR_TX_STATUS,
 				FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(txq_id),
@@ -2552,7 +2552,7 @@ int iwl3945_hw_set_hw_params(struct iwl_priv *priv)
 	}
 
 	/* Assign number of Usable TX queues */
-	priv->hw_params.max_txq_num = TFD_QUEUE_MAX;
+	priv->hw_params.max_txq_num = IWL39_NUM_QUEUES;
 
 	priv->hw_params.tfd_size = sizeof(struct iwl3945_tfd);
 	priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_3K;
@@ -2786,11 +2786,50 @@ static int iwl3945_load_bsm(struct iwl_priv *priv)
 	return 0;
 }
 
+#define IWL3945_UCODE_GET(item)						\
+static u32 iwl3945_ucode_get_##item(const struct iwl_ucode_header *ucode,\
+				    u32 api_ver)			\
+{									\
+	return le32_to_cpu(ucode->u.v1.item);				\
+}
+
+static u32 iwl3945_ucode_get_header_size(u32 api_ver)
+{
+	return UCODE_HEADER_SIZE(1);
+}
+static u32 iwl3945_ucode_get_build(const struct iwl_ucode_header *ucode,
+				   u32 api_ver)
+{
+	return 0;
+}
+static u8 *iwl3945_ucode_get_data(const struct iwl_ucode_header *ucode,
+				  u32 api_ver)
+{
+	return (u8 *) ucode->u.v1.data;
+}
+
+IWL3945_UCODE_GET(inst_size);
+IWL3945_UCODE_GET(data_size);
+IWL3945_UCODE_GET(init_size);
+IWL3945_UCODE_GET(init_data_size);
+IWL3945_UCODE_GET(boot_size);
+
 static struct iwl_hcmd_ops iwl3945_hcmd = {
 	.rxon_assoc = iwl3945_send_rxon_assoc,
 	.commit_rxon = iwl3945_commit_rxon,
 };
 
+static struct iwl_ucode_ops iwl3945_ucode = {
+	.get_header_size = iwl3945_ucode_get_header_size,
+	.get_build = iwl3945_ucode_get_build,
+	.get_inst_size = iwl3945_ucode_get_inst_size,
+	.get_data_size = iwl3945_ucode_get_data_size,
+	.get_init_size = iwl3945_ucode_get_init_size,
+	.get_init_data_size = iwl3945_ucode_get_init_data_size,
+	.get_boot_size = iwl3945_ucode_get_boot_size,
+	.get_data = iwl3945_ucode_get_data,
+};
+
 static struct iwl_lib_ops iwl3945_lib = {
 	.txq_attach_buf_to_tfd = iwl3945_hw_txq_attach_buf_to_tfd,
 	.txq_free_tfd = iwl3945_hw_txq_free_tfd,
@@ -2831,6 +2870,7 @@ static struct iwl_hcmd_utils_ops iwl3945_hcmd_utils = {
 };
 
 static struct iwl_ops iwl3945_ops = {
+	.ucode = &iwl3945_ucode,
 	.lib = &iwl3945_lib,
 	.hcmd = &iwl3945_hcmd,
 	.utils = &iwl3945_hcmd_utils,

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

@@ -111,9 +111,6 @@ enum iwl3945_antenna {
 #define IWL_TX_FIFO_HCCA_2	6
 #define IWL_TX_FIFO_NONE	7
 
-/* Minimum number of queues. MAX_NUM is defined in hw specific files */
-#define IWL_MIN_NUM_QUEUES	4
-
 #define IEEE80211_DATA_LEN              2304
 #define IEEE80211_4ADDR_LEN             30
 #define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)

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

@@ -146,7 +146,7 @@ static int iwl4965_load_bsm(struct iwl_priv *priv)
 
 	IWL_DEBUG_INFO(priv, "Begin load bsm\n");
 
-	priv->ucode_type = UCODE_RT;
+	priv->ucode_type = UCODE_INIT;
 
 	/* make sure bootstrap program is no larger than BSM's SRAM size */
 	if (len > IWL49_MAX_BSM_SIZE)
@@ -256,6 +256,8 @@ static int iwl4965_set_ucode_ptrs(struct iwl_priv *priv)
 */
 static void iwl4965_init_alive_start(struct iwl_priv *priv)
 {
+	int ret;
+
 	/* Check alive response for "valid" sign from uCode */
 	if (priv->card_alive_init.is_valid != UCODE_VALID_OK) {
 		/* We had an error bringing up the hardware, so take it
@@ -287,6 +289,28 @@ static void iwl4965_init_alive_start(struct iwl_priv *priv)
 		IWL_DEBUG_INFO(priv, "Couldn't set up uCode pointers.\n");
 		goto restart;
 	}
+	priv->ucode_type = UCODE_RT;
+	if (test_bit(STATUS_RT_UCODE_ALIVE, &priv->status)) {
+		IWL_WARN(priv, "Runtime uCode already alive? "
+			"Waiting for alive anyway\n");
+		clear_bit(STATUS_RT_UCODE_ALIVE, &priv->status);
+	}
+	ret = wait_event_interruptible_timeout(
+			priv->wait_command_queue,
+			test_bit(STATUS_RT_UCODE_ALIVE, &priv->status),
+			UCODE_ALIVE_TIMEOUT);
+	if (!ret) {
+		/* FIXME: if STATUS_RT_UCODE_ALIVE timeout
+		 * go back to restart the download Init uCode again
+		 * this might cause to trap in the restart loop
+		 */
+		priv->ucode_type = UCODE_NONE;
+		if (!test_bit(STATUS_RT_UCODE_ALIVE, &priv->status)) {
+			IWL_ERR(priv, "Runtime timeout after %dms\n",
+				jiffies_to_msecs(UCODE_ALIVE_TIMEOUT));
+			goto restart;
+		}
+	}
 	return;
 
 restart:
@@ -2221,12 +2245,50 @@ static void iwl4965_cancel_deferred_work(struct iwl_priv *priv)
 	cancel_work_sync(&priv->txpower_work);
 }
 
+#define IWL4965_UCODE_GET(item)						\
+static u32 iwl4965_ucode_get_##item(const struct iwl_ucode_header *ucode,\
+				    u32 api_ver)			\
+{									\
+	return le32_to_cpu(ucode->u.v1.item);				\
+}
+
+static u32 iwl4965_ucode_get_header_size(u32 api_ver)
+{
+	return UCODE_HEADER_SIZE(1);
+}
+static u32 iwl4965_ucode_get_build(const struct iwl_ucode_header *ucode,
+				   u32 api_ver)
+{
+	return 0;
+}
+static u8 *iwl4965_ucode_get_data(const struct iwl_ucode_header *ucode,
+				  u32 api_ver)
+{
+	return (u8 *) ucode->u.v1.data;
+}
+
+IWL4965_UCODE_GET(inst_size);
+IWL4965_UCODE_GET(data_size);
+IWL4965_UCODE_GET(init_size);
+IWL4965_UCODE_GET(init_data_size);
+IWL4965_UCODE_GET(boot_size);
+
 static struct iwl_hcmd_ops iwl4965_hcmd = {
 	.rxon_assoc = iwl4965_send_rxon_assoc,
 	.commit_rxon = iwl_commit_rxon,
 	.set_rxon_chain = iwl_set_rxon_chain,
 };
 
+static struct iwl_ucode_ops iwl4965_ucode = {
+	.get_header_size = iwl4965_ucode_get_header_size,
+	.get_build = iwl4965_ucode_get_build,
+	.get_inst_size = iwl4965_ucode_get_inst_size,
+	.get_data_size = iwl4965_ucode_get_data_size,
+	.get_init_size = iwl4965_ucode_get_init_size,
+	.get_init_data_size = iwl4965_ucode_get_init_data_size,
+	.get_boot_size = iwl4965_ucode_get_boot_size,
+	.get_data = iwl4965_ucode_get_data,
+};
 static struct iwl_hcmd_utils_ops iwl4965_hcmd_utils = {
 	.get_hcmd_size = iwl4965_get_hcmd_size,
 	.build_addsta_hcmd = iwl4965_build_addsta_hcmd,
@@ -2287,6 +2349,7 @@ static struct iwl_lib_ops iwl4965_lib = {
 };
 
 static struct iwl_ops iwl4965_ops = {
+	.ucode = &iwl4965_ucode,
 	.lib = &iwl4965_lib,
 	.hcmd = &iwl4965_hcmd,
 	.utils = &iwl4965_hcmd_utils,
@@ -2313,8 +2376,6 @@ module_param_named(antenna, iwl4965_mod_params.antenna, int, 0444);
 MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])");
 module_param_named(swcrypto, iwl4965_mod_params.sw_crypto, int, 0444);
 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
-module_param_named(debug, iwl4965_mod_params.debug, uint, 0444);
-MODULE_PARM_DESC(debug, "debug output mask");
 module_param_named(
 	disable_hw_scan, iwl4965_mod_params.disable_hw_scan, int, 0444);
 MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)");

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

@@ -239,6 +239,13 @@ static void iwl5000_nic_config(struct iwl_priv *priv)
 				APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
 				~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
 
+	if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_1000) {
+		/* Setting digital SVR for 1000 card to 1.32V */
+		iwl_set_bits_mask_prph(priv, APMG_DIGITAL_SVR_REG,
+					APMG_SVR_DIGITAL_VOLTAGE_1_32,
+					~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
+	}
+
 	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
@@ -1449,6 +1456,44 @@ int iwl5000_calc_rssi(struct iwl_priv *priv,
 	return max_rssi - agc - IWL49_RSSI_OFFSET;
 }
 
+#define IWL5000_UCODE_GET(item)						\
+static u32 iwl5000_ucode_get_##item(const struct iwl_ucode_header *ucode,\
+				    u32 api_ver)			\
+{									\
+	if (api_ver <= 2)						\
+		return le32_to_cpu(ucode->u.v1.item);			\
+	return le32_to_cpu(ucode->u.v2.item);				\
+}
+
+static u32 iwl5000_ucode_get_header_size(u32 api_ver)
+{
+	if (api_ver <= 2)
+		return UCODE_HEADER_SIZE(1);
+	return UCODE_HEADER_SIZE(2);
+}
+
+static u32 iwl5000_ucode_get_build(const struct iwl_ucode_header *ucode,
+				   u32 api_ver)
+{
+	if (api_ver <= 2)
+		return 0;
+	return le32_to_cpu(ucode->u.v2.build);
+}
+
+static u8 *iwl5000_ucode_get_data(const struct iwl_ucode_header *ucode,
+				  u32 api_ver)
+{
+	if (api_ver <= 2)
+		return (u8 *) ucode->u.v1.data;
+	return (u8 *) ucode->u.v2.data;
+}
+
+IWL5000_UCODE_GET(inst_size);
+IWL5000_UCODE_GET(data_size);
+IWL5000_UCODE_GET(init_size);
+IWL5000_UCODE_GET(init_data_size);
+IWL5000_UCODE_GET(boot_size);
+
 struct iwl_hcmd_ops iwl5000_hcmd = {
 	.rxon_assoc = iwl5000_send_rxon_assoc,
 	.commit_rxon = iwl_commit_rxon,
@@ -1464,6 +1509,17 @@ struct iwl_hcmd_utils_ops iwl5000_hcmd_utils = {
 	.calc_rssi = iwl5000_calc_rssi,
 };
 
+struct iwl_ucode_ops iwl5000_ucode = {
+	.get_header_size = iwl5000_ucode_get_header_size,
+	.get_build = iwl5000_ucode_get_build,
+	.get_inst_size = iwl5000_ucode_get_inst_size,
+	.get_data_size = iwl5000_ucode_get_data_size,
+	.get_init_size = iwl5000_ucode_get_init_size,
+	.get_init_data_size = iwl5000_ucode_get_init_data_size,
+	.get_boot_size = iwl5000_ucode_get_boot_size,
+	.get_data = iwl5000_ucode_get_data,
+};
+
 struct iwl_lib_ops iwl5000_lib = {
 	.set_hw_params = iwl5000_hw_set_hw_params,
 	.txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
@@ -1565,12 +1621,14 @@ static struct iwl_lib_ops iwl5150_lib = {
 };
 
 struct iwl_ops iwl5000_ops = {
+	.ucode = &iwl5000_ucode,
 	.lib = &iwl5000_lib,
 	.hcmd = &iwl5000_hcmd,
 	.utils = &iwl5000_hcmd_utils,
 };
 
 static struct iwl_ops iwl5150_ops = {
+	.ucode = &iwl5000_ucode,
 	.lib = &iwl5150_lib,
 	.hcmd = &iwl5000_hcmd,
 	.utils = &iwl5000_hcmd_utils,
@@ -1687,8 +1745,6 @@ MODULE_FIRMWARE(IWL5150_MODULE_FIRMWARE(IWL5150_UCODE_API_MAX));
 module_param_named(swcrypto50, iwl50_mod_params.sw_crypto, bool, 0444);
 MODULE_PARM_DESC(swcrypto50,
 		  "using software crypto engine (default 0 [hardware])\n");
-module_param_named(debug50, iwl50_mod_params.debug, uint, 0444);
-MODULE_PARM_DESC(debug50, "50XX debug output mask");
 module_param_named(queues_num50, iwl50_mod_params.num_of_queues, int, 0444);
 MODULE_PARM_DESC(queues_num50, "number of hw queues in 50xx series");
 module_param_named(11n_disable50, iwl50_mod_params.disable_11n, int, 0444);

drivers/net/wireless/iwlwifi/iwl-6000.c

@@ -46,8 +46,8 @@
 #include "iwl-5000-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL6000_UCODE_API_MAX 2
-#define IWL6050_UCODE_API_MAX 2
+#define IWL6000_UCODE_API_MAX 3
+#define IWL6050_UCODE_API_MAX 3
 
 /* Lowest firmware API version supported */
 #define IWL6000_UCODE_API_MIN 1
@@ -69,6 +69,7 @@ static struct iwl_hcmd_utils_ops iwl6000_hcmd_utils = {
 };
 
 static struct iwl_ops iwl6000_ops = {
+	.ucode = &iwl5000_ucode,
 	.lib = &iwl5000_lib,
 	.hcmd = &iwl5000_hcmd,
 	.utils = &iwl6000_hcmd_utils,

drivers/net/wireless/iwlwifi/iwl-agn-rs.c

@@ -2466,7 +2466,6 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta,
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct iwl_lq_sta *lq_sta = priv_sta;
 	int rate_idx;
-	u64 mask_bit = 0;
 
 	IWL_DEBUG_RATE_LIMIT(priv, "rate scale calculate new rate for skb\n");
 
@@ -2481,22 +2480,9 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta,
 			lq_sta->max_rate_idx = -1;
 	}
 
-	if (sta)
-		mask_bit = sta->supp_rates[sband->band];
-
 	/* Send management frames and NO_ACK data using lowest rate. */
-	if (!ieee80211_is_data(hdr->frame_control) ||
-	    info->flags & IEEE80211_TX_CTL_NO_ACK || !sta || !lq_sta) {
-		if (!mask_bit)
-			info->control.rates[0].idx =
-					rate_lowest_index(sband, NULL);
-		else
-			info->control.rates[0].idx =
-					rate_lowest_index(sband, sta);
-		if (info->flags & IEEE80211_TX_CTL_NO_ACK)
-			info->control.rates[0].count = 1;
+	if (rate_control_send_low(sta, priv_sta, txrc))
 		return;
-	}
 
 	rate_idx  = lq_sta->last_txrate_idx;
 

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

@@ -533,12 +533,16 @@ static void iwl_rx_reply_alive(struct iwl_priv *priv,
 
 	if (palive->ver_subtype == INITIALIZE_SUBTYPE) {
 		IWL_DEBUG_INFO(priv, "Initialization Alive received.\n");
+		set_bit(STATUS_INIT_UCODE_ALIVE, &priv->status);
+		wake_up_interruptible(&priv->wait_command_queue);
 		memcpy(&priv->card_alive_init,
 		       &pkt->u.alive_frame,
 		       sizeof(struct iwl_init_alive_resp));
 		pwork = &priv->init_alive_start;
 	} else {
 		IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
+		set_bit(STATUS_RT_UCODE_ALIVE, &priv->status);
+		wake_up_interruptible(&priv->wait_command_queue);
 		memcpy(&priv->card_alive, &pkt->u.alive_frame,
 		       sizeof(struct iwl_alive_resp));
 		pwork = &priv->alive_start;
@@ -900,7 +904,7 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv)
 	iwl_write32(priv, CSR_FH_INT_STATUS, inta_fh);
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-	if (priv->debug_level & IWL_DL_ISR) {
+	if (iwl_debug_level & IWL_DL_ISR) {
 		/* just for debug */
 		inta_mask = iwl_read32(priv, CSR_INT_MASK);
 		IWL_DEBUG_ISR(priv, "inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
@@ -919,7 +923,7 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv)
 
 	/* Now service all interrupt bits discovered above. */
 	if (inta & CSR_INT_BIT_HW_ERR) {
-		IWL_ERR(priv, "Microcode HW error detected.  Restarting.\n");
+		IWL_ERR(priv, "Hardware error detected.  Restarting.\n");
 
 		/* Tell the device to stop sending interrupts */
 		iwl_disable_interrupts(priv);
@@ -935,7 +939,7 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv)
 	}
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-	if (priv->debug_level & (IWL_DL_ISR)) {
+	if (iwl_debug_level & (IWL_DL_ISR)) {
 		/* NIC fires this, but we don't use it, redundant with WAKEUP */
 		if (inta & CSR_INT_BIT_SCD) {
 			IWL_DEBUG_ISR(priv, "Scheduler finished to transmit "
@@ -960,7 +964,7 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv)
 				CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
 			hw_rf_kill = 1;
 
-		IWL_DEBUG_RF_KILL(priv, "RF_KILL bit toggled to %s.\n",
+		IWL_WARN(priv, "RF_KILL bit toggled to %s.\n",
 				hw_rf_kill ? "disable radio" : "enable radio");
 
 		priv->isr_stats.rfkill++;
@@ -1049,7 +1053,7 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv)
 		iwl_enable_interrupts(priv);
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-	if (priv->debug_level & (IWL_DL_ISR)) {
+	if (iwl_debug_level & (IWL_DL_ISR)) {
 		inta = iwl_read32(priv, CSR_INT);
 		inta_mask = iwl_read32(priv, CSR_INT_MASK);
 		inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
@@ -1080,7 +1084,7 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
 	inta = priv->inta;
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-	if (priv->debug_level & IWL_DL_ISR) {
+	if (iwl_debug_level & IWL_DL_ISR) {
 		/* just for debug */
 		inta_mask = iwl_read32(priv, CSR_INT_MASK);
 		IWL_DEBUG_ISR(priv, "inta 0x%08x, enabled 0x%08x\n ",
@@ -1092,7 +1096,7 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
 
 	/* Now service all interrupt bits discovered above. */
 	if (inta & CSR_INT_BIT_HW_ERR) {
-		IWL_ERR(priv, "Microcode HW error detected.  Restarting.\n");
+		IWL_ERR(priv, "Hardware error detected.  Restarting.\n");
 
 		/* Tell the device to stop sending interrupts */
 		iwl_disable_interrupts(priv);
@@ -1108,7 +1112,7 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
 	}
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-	if (priv->debug_level & (IWL_DL_ISR)) {
+	if (iwl_debug_level & (IWL_DL_ISR)) {
 		/* NIC fires this, but we don't use it, redundant with WAKEUP */
 		if (inta & CSR_INT_BIT_SCD) {
 			IWL_DEBUG_ISR(priv, "Scheduler finished to transmit "
@@ -1133,7 +1137,7 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
 				CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
 			hw_rf_kill = 1;
 
-		IWL_DEBUG_RF_KILL(priv, "RF_KILL bit toggled to %s.\n",
+		IWL_WARN(priv, "RF_KILL bit toggled to %s.\n",
 				hw_rf_kill ? "disable radio" : "enable radio");
 
 		priv->isr_stats.rfkill++;
@@ -1284,7 +1288,7 @@ static void iwl_nic_start(struct iwl_priv *priv)
  */
 static int iwl_read_ucode(struct iwl_priv *priv)
 {
-	struct iwl_ucode *ucode;
+	struct iwl_ucode_header *ucode;
 	int ret = -EINVAL, index;
 	const struct firmware *ucode_raw;
 	const char *name_pre = priv->cfg->fw_name_pre;
@@ -1293,7 +1297,8 @@ static int iwl_read_ucode(struct iwl_priv *priv)
 	char buf[25];
 	u8 *src;
 	size_t len;
-	u32 api_ver, inst_size, data_size, init_size, init_data_size, boot_size;
+	u32 api_ver, build;
+	u32 inst_size, data_size, init_size, init_data_size, boot_size;
 
 	/* Ask kernel firmware_class module to get the boot firmware off disk.
 	 * request_firmware() is synchronous, file is in memory on return. */
@@ -1323,23 +1328,26 @@ static int iwl_read_ucode(struct iwl_priv *priv)
 	if (ret < 0)
 		goto error;
 
-	/* Make sure that we got at least our header! */
-	if (ucode_raw->size < sizeof(*ucode)) {
+	/* Make sure that we got at least the v1 header! */
+	if (ucode_raw->size < priv->cfg->ops->ucode->get_header_size(1)) {
 		IWL_ERR(priv, "File size way too small!\n");
 		ret = -EINVAL;
 		goto err_release;
 	}
 
 	/* Data from ucode file:  header followed by uCode images */
-	ucode = (void *)ucode_raw->data;
+	ucode = (struct iwl_ucode_header *)ucode_raw->data;
 
 	priv->ucode_ver = le32_to_cpu(ucode->ver);
 	api_ver = IWL_UCODE_API(priv->ucode_ver);
-	inst_size = le32_to_cpu(ucode->inst_size);
-	data_size = le32_to_cpu(ucode->data_size);
-	init_size = le32_to_cpu(ucode->init_size);
-	init_data_size = le32_to_cpu(ucode->init_data_size);
-	boot_size = le32_to_cpu(ucode->boot_size);
+	build = priv->cfg->ops->ucode->get_build(ucode, api_ver);
+	inst_size = priv->cfg->ops->ucode->get_inst_size(ucode, api_ver);
+	data_size = priv->cfg->ops->ucode->get_data_size(ucode, api_ver);
+	init_size = priv->cfg->ops->ucode->get_init_size(ucode, api_ver);
+	init_data_size =
+		priv->cfg->ops->ucode->get_init_data_size(ucode, api_ver);
+	boot_size = priv->cfg->ops->ucode->get_boot_size(ucode, api_ver);
+	src = priv->cfg->ops->ucode->get_data(ucode, api_ver);
 
 	/* api_ver should match the api version forming part of the
 	 * firmware filename ... but we don't check for that and only rely
@@ -1365,6 +1373,9 @@ static int iwl_read_ucode(struct iwl_priv *priv)
 	       IWL_UCODE_API(priv->ucode_ver),
 	       IWL_UCODE_SERIAL(priv->ucode_ver));
 
+	if (build)
+		IWL_DEBUG_INFO(priv, "Build %u\n", build);
+
 	IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n",
 		       priv->ucode_ver);
 	IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %u\n",
@@ -1379,12 +1390,14 @@ static int iwl_read_ucode(struct iwl_priv *priv)
 		       boot_size);
 
 	/* Verify size of file vs. image size info in file's header */
-	if (ucode_raw->size < sizeof(*ucode) +
+	if (ucode_raw->size !=
+		priv->cfg->ops->ucode->get_header_size(api_ver) +
 		inst_size + data_size + init_size +
 		init_data_size + boot_size) {
 
-		IWL_DEBUG_INFO(priv, "uCode file size %d too small\n",
-			       (int)ucode_raw->size);
+		IWL_DEBUG_INFO(priv,
+			"uCode file size %d does not match expected size\n",
+			(int)ucode_raw->size);
 		ret = -EINVAL;
 		goto err_release;
 	}
@@ -1464,42 +1477,42 @@ static int iwl_read_ucode(struct iwl_priv *priv)
 	/* Copy images into buffers for card's bus-master reads ... */
 
 	/* Runtime instructions (first block of data in file) */
-	src = &ucode->data[0];
-	len = priv->ucode_code.len;
+	len = inst_size;
 	IWL_DEBUG_INFO(priv, "Copying (but not loading) uCode instr len %Zd\n", len);
 	memcpy(priv->ucode_code.v_addr, src, len);
+	src += len;
+
 	IWL_DEBUG_INFO(priv, "uCode instr buf vaddr = 0x%p, paddr = 0x%08x\n",
 		priv->ucode_code.v_addr, (u32)priv->ucode_code.p_addr);
 
 	/* Runtime data (2nd block)
 	 * NOTE:  Copy into backup buffer will be done in iwl_up()  */
-	src = &ucode->data[inst_size];
-	len = priv->ucode_data.len;
+	len = data_size;
 	IWL_DEBUG_INFO(priv, "Copying (but not loading) uCode data len %Zd\n", len);
 	memcpy(priv->ucode_data.v_addr, src, len);
 	memcpy(priv->ucode_data_backup.v_addr, src, len);
+	src += len;
 
 	/* Initialization instructions (3rd block) */
 	if (init_size) {
-		src = &ucode->data[inst_size + data_size];
-		len = priv->ucode_init.len;
+		len = init_size;
 		IWL_DEBUG_INFO(priv, "Copying (but not loading) init instr len %Zd\n",
 				len);
 		memcpy(priv->ucode_init.v_addr, src, len);
+		src += len;
 	}
 
 	/* Initialization data (4th block) */
 	if (init_data_size) {
-		src = &ucode->data[inst_size + data_size + init_size];
-		len = priv->ucode_init_data.len;
+		len = init_data_size;
 		IWL_DEBUG_INFO(priv, "Copying (but not loading) init data len %Zd\n",
 			       len);
 		memcpy(priv->ucode_init_data.v_addr, src, len);
+		src += len;
 	}
 
 	/* Bootstrap instructions (5th block) */
-	src = &ucode->data[inst_size + data_size + init_size + init_data_size];
-	len = priv->ucode_boot.len;
+	len = boot_size;
 	IWL_DEBUG_INFO(priv, "Copying (but not loading) boot instr len %Zd\n", len);
 	memcpy(priv->ucode_boot.v_addr, src, len);
 
@@ -1773,6 +1786,7 @@ static int __iwl_up(struct iwl_priv *priv)
 {
 	int i;
 	int ret;
+	unsigned long status;
 
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
 		IWL_WARN(priv, "Exit pending; will not bring the NIC up\n");
@@ -1850,6 +1864,51 @@ static int __iwl_up(struct iwl_priv *priv)
 		/* start card; "initialize" will load runtime ucode */
 		iwl_nic_start(priv);
 
+		/* Just finish download Init or Runtime uCode image to device
+		 * now we wait here for uCode send REPLY_ALIVE notification
+		 * to indicate uCode is ready.
+		 * 1) For Init uCode image, all iwlagn devices should wait here
+		 * on STATUS_INIT_UCODE_ALIVE status bit; if timeout before
+		 * receive the REPLY_ALIVE notification, go back and try to
+		 * download the Init uCode image again.
+		 * 2) For Runtime uCode image, all iwlagn devices except 4965
+		 * wait here on STATUS_RT_UCODE_ALIVE status bit; if
+		 * timeout before receive the REPLY_ALIVE notification, go back
+		 * and download the Runtime uCode image again.
+		 * 3) For 4965 Runtime uCode, it will not go through this path,
+		 * need to wait for STATUS_RT_UCODE_ALIVE status bit in
+		 * iwl4965_init_alive_start() function; if timeout, need to
+		 * restart and download Init uCode image.
+		 */
+		if (priv->ucode_type == UCODE_INIT)
+			status = STATUS_INIT_UCODE_ALIVE;
+		else
+			status = STATUS_RT_UCODE_ALIVE;
+		if (test_bit(status, &priv->status)) {
+			IWL_WARN(priv,
+				"%s uCode already alive? "
+				"Waiting for alive anyway\n",
+				(status == STATUS_INIT_UCODE_ALIVE)
+				? "INIT" : "Runtime");
+			clear_bit(status, &priv->status);
+		}
+		ret = wait_event_interruptible_timeout(
+				priv->wait_command_queue,
+				test_bit(status, &priv->status),
+				UCODE_ALIVE_TIMEOUT);
+		if (!ret) {
+			if (!test_bit(status, &priv->status)) {
+				priv->ucode_type =
+					(status == STATUS_INIT_UCODE_ALIVE)
+					? UCODE_NONE : UCODE_INIT;
+				IWL_ERR(priv,
+					"%s timeout after %dms\n",
+					(status == STATUS_INIT_UCODE_ALIVE)
+					? "INIT" : "Runtime",
+					jiffies_to_msecs(UCODE_ALIVE_TIMEOUT));
+				continue;
+			}
+		}
 		IWL_DEBUG_INFO(priv, DRV_NAME " is coming up\n");
 
 		return 0;
@@ -2397,14 +2456,16 @@ static int iwl_mac_get_stats(struct ieee80211_hw *hw,
  * used for controlling the debug level.
  *
  * See the level definitions in iwl for details.
+ *
+ * FIXME This file can be deprecated as the module parameter is
+ * writable and users can thus also change the debug level
+ * using the /sys/module/iwl3945/parameters/debug file.
  */
 
 static ssize_t show_debug_level(struct device *d,
 				struct device_attribute *attr, char *buf)
 {
-	struct iwl_priv *priv = dev_get_drvdata(d);
-
-	return sprintf(buf, "0x%08X\n", priv->debug_level);
+	return sprintf(buf, "0x%08X\n", iwl_debug_level);
 }
 static ssize_t store_debug_level(struct device *d,
 				struct device_attribute *attr,
@@ -2418,7 +2479,7 @@ static ssize_t store_debug_level(struct device *d,
 	if (ret)
 		IWL_ERR(priv, "%s is not in hex or decimal form.\n", buf);
 	else
-		priv->debug_level = val;
+		iwl_debug_level = val;
 
 	return strnlen(buf, count);
 }
@@ -2627,26 +2688,6 @@ static ssize_t show_power_level(struct device *d,
 static DEVICE_ATTR(power_level, S_IWUSR | S_IRUSR, show_power_level,
 		   store_power_level);
 
-static ssize_t show_qos(struct device *d,
-				struct device_attribute *attr, char *buf)
-{
-	struct iwl_priv *priv = dev_get_drvdata(d);
-	char *p = buf;
-	int   q;
-
-	for (q = 0; q < AC_NUM; q++) {
-		p += sprintf(p, "\tcw_min\tcw_max\taifsn\ttxop\n");
-		p += sprintf(p, "AC[%d]\t%u\t%u\t%u\t%u\n", q,
-			     priv->qos_data.def_qos_parm.ac[q].cw_min,
-			     priv->qos_data.def_qos_parm.ac[q].cw_max,
-			     priv->qos_data.def_qos_parm.ac[q].aifsn,
-			     priv->qos_data.def_qos_parm.ac[q].edca_txop);
-	}
-
-	return p - buf + 1;
-}
-
-static DEVICE_ATTR(qos, S_IRUGO, show_qos, NULL);
 
 static ssize_t show_statistics(struct device *d,
 			       struct device_attribute *attr, char *buf)
@@ -2747,7 +2788,6 @@ static struct attribute *iwl_sysfs_entries[] = {
 	&dev_attr_debug_level.attr,
 #endif
 	&dev_attr_version.attr,
-	&dev_attr_qos.attr,
 	NULL
 };
 
@@ -2791,7 +2831,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	/* Disabling hardware scan means that mac80211 will perform scans
 	 * "the hard way", rather than using device's scan. */
 	if (cfg->mod_params->disable_hw_scan) {
-		if (cfg->mod_params->debug & IWL_DL_INFO)
+		if (iwl_debug_level & IWL_DL_INFO)
 			dev_printk(KERN_DEBUG, &(pdev->dev),
 				   "Disabling hw_scan\n");
 		iwl_hw_ops.hw_scan = NULL;
@@ -2813,7 +2853,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	priv->inta_mask = CSR_INI_SET_MASK;
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-	priv->debug_level = priv->cfg->mod_params->debug;
 	atomic_set(&priv->restrict_refcnt, 0);
 #endif
 
@@ -3173,3 +3212,11 @@ static void __exit iwl_exit(void)
 
 module_exit(iwl_exit);
 module_init(iwl_init);
+
+#ifdef CONFIG_IWLWIFI_DEBUG
+module_param_named(debug50, iwl_debug_level, uint, 0444);
+MODULE_PARM_DESC(debug50, "50XX debug output mask (deprecated)");
+module_param_named(debug, iwl_debug_level, uint, 0644);
+MODULE_PARM_DESC(debug, "debug output mask");
+#endif
+

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

@@ -59,6 +59,9 @@ MODULE_LICENSE("GPL");
 				    IWL_RATE_##pp##M_INDEX,    \
 				    IWL_RATE_##np##M_INDEX }
 
+u32 iwl_debug_level;
+EXPORT_SYMBOL(iwl_debug_level);
+
 static irqreturn_t iwl_isr(int irq, void *data);
 
 /*
@@ -1275,7 +1278,7 @@ static void iwl_print_rx_config_cmd(struct iwl_priv *priv)
 	struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
 
 	IWL_DEBUG_RADIO(priv, "RX CONFIG:\n");
-	iwl_print_hex_dump(priv, IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon));
+	iwl_print_hex_dump(IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon));
 	IWL_DEBUG_RADIO(priv, "u16 channel: 0x%x\n", le16_to_cpu(rxon->channel));
 	IWL_DEBUG_RADIO(priv, "u32 flags: 0x%08X\n", le32_to_cpu(rxon->flags));
 	IWL_DEBUG_RADIO(priv, "u32 filter_flags: 0x%08x\n",
@@ -1290,6 +1293,209 @@ static void iwl_print_rx_config_cmd(struct iwl_priv *priv)
 }
 #endif
 
+static const char *desc_lookup_text[] = {
+	"OK",
+	"FAIL",
+	"BAD_PARAM",
+	"BAD_CHECKSUM",
+	"NMI_INTERRUPT_WDG",
+	"SYSASSERT",
+	"FATAL_ERROR",
+	"BAD_COMMAND",
+	"HW_ERROR_TUNE_LOCK",
+	"HW_ERROR_TEMPERATURE",
+	"ILLEGAL_CHAN_FREQ",
+	"VCC_NOT_STABLE",
+	"FH_ERROR",
+	"NMI_INTERRUPT_HOST",
+	"NMI_INTERRUPT_ACTION_PT",
+	"NMI_INTERRUPT_UNKNOWN",
+	"UCODE_VERSION_MISMATCH",
+	"HW_ERROR_ABS_LOCK",
+	"HW_ERROR_CAL_LOCK_FAIL",
+	"NMI_INTERRUPT_INST_ACTION_PT",
+	"NMI_INTERRUPT_DATA_ACTION_PT",
+	"NMI_TRM_HW_ER",
+	"NMI_INTERRUPT_TRM",
+	"NMI_INTERRUPT_BREAK_POINT"
+	"DEBUG_0",
+	"DEBUG_1",
+	"DEBUG_2",
+	"DEBUG_3",
+	"UNKNOWN"
+};
+
+static const char *desc_lookup(int i)
+{
+	int max = ARRAY_SIZE(desc_lookup_text) - 1;
+
+	if (i < 0 || i > max)
+		i = max;
+
+	return desc_lookup_text[i];
+}
+
+#define ERROR_START_OFFSET  (1 * sizeof(u32))
+#define ERROR_ELEM_SIZE     (7 * sizeof(u32))
+
+static void iwl_dump_nic_error_log(struct iwl_priv *priv)
+{
+	u32 data2, line;
+	u32 desc, time, count, base, data1;
+	u32 blink1, blink2, ilink1, ilink2;
+
+	switch (priv->ucode_type) {
+	case UCODE_RT:
+		base = le32_to_cpu(priv->card_alive.error_event_table_ptr);
+		break;
+	case UCODE_INIT:
+		base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr);
+		break;
+	default:
+		IWL_ERR(priv, "uCode image not available\n");
+		return;
+	}
+
+	if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
+		IWL_ERR(priv, "Not valid error log pointer 0x%08X\n", base);
+		return;
+	}
+
+	count = iwl_read_targ_mem(priv, base);
+
+	if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) {
+		IWL_ERR(priv, "Start IWL Error Log Dump:\n");
+		IWL_ERR(priv, "Status: 0x%08lX, count: %d\n",
+			priv->status, count);
+	}
+
+	desc = iwl_read_targ_mem(priv, base + 1 * sizeof(u32));
+	blink1 = iwl_read_targ_mem(priv, base + 3 * sizeof(u32));
+	blink2 = iwl_read_targ_mem(priv, base + 4 * sizeof(u32));
+	ilink1 = iwl_read_targ_mem(priv, base + 5 * sizeof(u32));
+	ilink2 = iwl_read_targ_mem(priv, base + 6 * sizeof(u32));
+	data1 = iwl_read_targ_mem(priv, base + 7 * sizeof(u32));
+	data2 = iwl_read_targ_mem(priv, base + 8 * sizeof(u32));
+	line = iwl_read_targ_mem(priv, base + 9 * sizeof(u32));
+	time = iwl_read_targ_mem(priv, base + 11 * sizeof(u32));
+
+	IWL_ERR(priv, "Desc                               Time       "
+		"data1      data2      line\n");
+	IWL_ERR(priv, "%-28s (#%02d) %010u 0x%08X 0x%08X %u\n",
+		desc_lookup(desc), desc, time, data1, data2, line);
+	IWL_ERR(priv, "blink1  blink2  ilink1  ilink2\n");
+	IWL_ERR(priv, "0x%05X 0x%05X 0x%05X 0x%05X\n", blink1, blink2,
+		ilink1, ilink2);
+
+}
+
+#define EVENT_START_OFFSET  (4 * sizeof(u32))
+
+/**
+ * iwl_print_event_log - Dump error event log to syslog
+ *
+ */
+static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
+				u32 num_events, u32 mode)
+{
+	u32 i;
+	u32 base;       /* SRAM byte address of event log header */
+	u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */
+	u32 ptr;        /* SRAM byte address of log data */
+	u32 ev, time, data; /* event log data */
+
+	if (num_events == 0)
+		return;
+	switch (priv->ucode_type) {
+	case UCODE_RT:
+		base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
+		break;
+	case UCODE_INIT:
+		base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
+		break;
+	default:
+		IWL_ERR(priv, "uCode image not available\n");
+		return;
+	}
+
+	if (mode == 0)
+		event_size = 2 * sizeof(u32);
+	else
+		event_size = 3 * sizeof(u32);
+
+	ptr = base + EVENT_START_OFFSET + (start_idx * event_size);
+
+	/* "time" is actually "data" for mode 0 (no timestamp).
+	* place event id # at far right for easier visual parsing. */
+	for (i = 0; i < num_events; i++) {
+		ev = iwl_read_targ_mem(priv, ptr);
+		ptr += sizeof(u32);
+		time = iwl_read_targ_mem(priv, ptr);
+		ptr += sizeof(u32);
+		if (mode == 0) {
+			/* data, ev */
+			IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", time, ev);
+		} else {
+			data = iwl_read_targ_mem(priv, ptr);
+			ptr += sizeof(u32);
+			IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n",
+					time, data, ev);
+		}
+	}
+}
+
+void iwl_dump_nic_event_log(struct iwl_priv *priv)
+{
+	u32 base;       /* SRAM byte address of event log header */
+	u32 capacity;   /* event log capacity in # entries */
+	u32 mode;       /* 0 - no timestamp, 1 - timestamp recorded */
+	u32 num_wraps;  /* # times uCode wrapped to top of log */
+	u32 next_entry; /* index of next entry to be written by uCode */
+	u32 size;       /* # entries that we'll print */
+
+	switch (priv->ucode_type) {
+	case UCODE_RT:
+		base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
+		break;
+	case UCODE_INIT:
+		base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
+		break;
+	default:
+		IWL_ERR(priv, "uCode image not available\n");
+		return;
+	}
+
+	if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
+		IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base);
+		return;
+	}
+
+	/* event log header */
+	capacity = iwl_read_targ_mem(priv, base);
+	mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32)));
+	num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32)));
+	next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32)));
+
+	size = num_wraps ? capacity : next_entry;
+
+	/* bail out if nothing in log */
+	if (size == 0) {
+		IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n");
+		return;
+	}
+
+	IWL_ERR(priv, "Start IWL Event Log Dump: display count %d, wraps %d\n",
+			size, num_wraps);
+
+	/* if uCode has wrapped back to top of log, start at the oldest entry,
+	 * i.e the next one that uCode would fill. */
+	if (num_wraps)
+		iwl_print_event_log(priv, next_entry,
+					capacity - next_entry, mode);
+	/* (then/else) start at top of log */
+	iwl_print_event_log(priv, 0, next_entry, mode);
+
+}
 /**
  * iwl_irq_handle_error - called for HW or SW error interrupt from card
  */
@@ -1302,7 +1508,7 @@ void iwl_irq_handle_error(struct iwl_priv *priv)
 	clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-	if (priv->debug_level & IWL_DL_FW_ERRORS) {
+	if (iwl_debug_level & IWL_DL_FW_ERRORS) {
 		iwl_dump_nic_error_log(priv);
 		iwl_dump_nic_event_log(priv);
 		iwl_print_rx_config_cmd(priv);
@@ -1543,31 +1749,6 @@ void iwl_uninit_drv(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_uninit_drv);
 
-
-void iwl_disable_interrupts(struct iwl_priv *priv)
-{
-	clear_bit(STATUS_INT_ENABLED, &priv->status);
-
-	/* disable interrupts from uCode/NIC to host */
-	iwl_write32(priv, CSR_INT_MASK, 0x00000000);
-
-	/* acknowledge/clear/reset any interrupts still pending
-	 * from uCode or flow handler (Rx/Tx DMA) */
-	iwl_write32(priv, CSR_INT, 0xffffffff);
-	iwl_write32(priv, CSR_FH_INT_STATUS, 0xffffffff);
-	IWL_DEBUG_ISR(priv, "Disabled interrupts\n");
-}
-EXPORT_SYMBOL(iwl_disable_interrupts);
-
-void iwl_enable_interrupts(struct iwl_priv *priv)
-{
-	IWL_DEBUG_ISR(priv, "Enabling interrupts\n");
-	set_bit(STATUS_INT_ENABLED, &priv->status);
-	iwl_write32(priv, CSR_INT_MASK, priv->inta_mask);
-}
-EXPORT_SYMBOL(iwl_enable_interrupts);
-
-
 #define ICT_COUNT (PAGE_SIZE/sizeof(u32))
 
 /* Free dram table */
@@ -1801,7 +1982,7 @@ static irqreturn_t iwl_isr(int irq, void *data)
 	}
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-	if (priv->debug_level & (IWL_DL_ISR)) {
+	if (iwl_debug_level & (IWL_DL_ISR)) {
 		inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
 		IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, "
 			      "fh 0x%08x\n", inta, inta_mask, inta_fh);
@@ -2040,191 +2221,6 @@ int iwl_verify_ucode(struct iwl_priv *priv)
 EXPORT_SYMBOL(iwl_verify_ucode);
 
 
-static const char *desc_lookup_text[] = {
-	"OK",
-	"FAIL",
-	"BAD_PARAM",
-	"BAD_CHECKSUM",
-	"NMI_INTERRUPT_WDG",
-	"SYSASSERT",
-	"FATAL_ERROR",
-	"BAD_COMMAND",
-	"HW_ERROR_TUNE_LOCK",
-	"HW_ERROR_TEMPERATURE",
-	"ILLEGAL_CHAN_FREQ",
-	"VCC_NOT_STABLE",
-	"FH_ERROR",
-	"NMI_INTERRUPT_HOST",
-	"NMI_INTERRUPT_ACTION_PT",
-	"NMI_INTERRUPT_UNKNOWN",
-	"UCODE_VERSION_MISMATCH",
-	"HW_ERROR_ABS_LOCK",
-	"HW_ERROR_CAL_LOCK_FAIL",
-	"NMI_INTERRUPT_INST_ACTION_PT",
-	"NMI_INTERRUPT_DATA_ACTION_PT",
-	"NMI_TRM_HW_ER",
-	"NMI_INTERRUPT_TRM",
-	"NMI_INTERRUPT_BREAK_POINT"
-	"DEBUG_0",
-	"DEBUG_1",
-	"DEBUG_2",
-	"DEBUG_3",
-	"UNKNOWN"
-};
-
-static const char *desc_lookup(int i)
-{
-	int max = ARRAY_SIZE(desc_lookup_text) - 1;
-
-	if (i < 0 || i > max)
-		i = max;
-
-	return desc_lookup_text[i];
-}
-
-#define ERROR_START_OFFSET  (1 * sizeof(u32))
-#define ERROR_ELEM_SIZE     (7 * sizeof(u32))
-
-void iwl_dump_nic_error_log(struct iwl_priv *priv)
-{
-	u32 data2, line;
-	u32 desc, time, count, base, data1;
-	u32 blink1, blink2, ilink1, ilink2;
-
-	if (priv->ucode_type == UCODE_INIT)
-		base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr);
-	else
-		base = le32_to_cpu(priv->card_alive.error_event_table_ptr);
-
-	if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
-		IWL_ERR(priv, "Not valid error log pointer 0x%08X\n", base);
-		return;
-	}
-
-	count = iwl_read_targ_mem(priv, base);
-
-	if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) {
-		IWL_ERR(priv, "Start IWL Error Log Dump:\n");
-		IWL_ERR(priv, "Status: 0x%08lX, count: %d\n",
-			priv->status, count);
-	}
-
-	desc = iwl_read_targ_mem(priv, base + 1 * sizeof(u32));
-	blink1 = iwl_read_targ_mem(priv, base + 3 * sizeof(u32));
-	blink2 = iwl_read_targ_mem(priv, base + 4 * sizeof(u32));
-	ilink1 = iwl_read_targ_mem(priv, base + 5 * sizeof(u32));
-	ilink2 = iwl_read_targ_mem(priv, base + 6 * sizeof(u32));
-	data1 = iwl_read_targ_mem(priv, base + 7 * sizeof(u32));
-	data2 = iwl_read_targ_mem(priv, base + 8 * sizeof(u32));
-	line = iwl_read_targ_mem(priv, base + 9 * sizeof(u32));
-	time = iwl_read_targ_mem(priv, base + 11 * sizeof(u32));
-
-	IWL_ERR(priv, "Desc                               Time       "
-		"data1      data2      line\n");
-	IWL_ERR(priv, "%-28s (#%02d) %010u 0x%08X 0x%08X %u\n",
-		desc_lookup(desc), desc, time, data1, data2, line);
-	IWL_ERR(priv, "blink1  blink2  ilink1  ilink2\n");
-	IWL_ERR(priv, "0x%05X 0x%05X 0x%05X 0x%05X\n", blink1, blink2,
-		ilink1, ilink2);
-
-}
-EXPORT_SYMBOL(iwl_dump_nic_error_log);
-
-#define EVENT_START_OFFSET  (4 * sizeof(u32))
-
-/**
- * iwl_print_event_log - Dump error event log to syslog
- *
- */
-static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
-				u32 num_events, u32 mode)
-{
-	u32 i;
-	u32 base;       /* SRAM byte address of event log header */
-	u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */
-	u32 ptr;        /* SRAM byte address of log data */
-	u32 ev, time, data; /* event log data */
-
-	if (num_events == 0)
-		return;
-	if (priv->ucode_type == UCODE_INIT)
-		base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
-	else
-		base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
-
-	if (mode == 0)
-		event_size = 2 * sizeof(u32);
-	else
-		event_size = 3 * sizeof(u32);
-
-	ptr = base + EVENT_START_OFFSET + (start_idx * event_size);
-
-	/* "time" is actually "data" for mode 0 (no timestamp).
-	* place event id # at far right for easier visual parsing. */
-	for (i = 0; i < num_events; i++) {
-		ev = iwl_read_targ_mem(priv, ptr);
-		ptr += sizeof(u32);
-		time = iwl_read_targ_mem(priv, ptr);
-		ptr += sizeof(u32);
-		if (mode == 0) {
-			/* data, ev */
-			IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", time, ev);
-		} else {
-			data = iwl_read_targ_mem(priv, ptr);
-			ptr += sizeof(u32);
-			IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n",
-					time, data, ev);
-		}
-	}
-}
-
-void iwl_dump_nic_event_log(struct iwl_priv *priv)
-{
-	u32 base;       /* SRAM byte address of event log header */
-	u32 capacity;   /* event log capacity in # entries */
-	u32 mode;       /* 0 - no timestamp, 1 - timestamp recorded */
-	u32 num_wraps;  /* # times uCode wrapped to top of log */
-	u32 next_entry; /* index of next entry to be written by uCode */
-	u32 size;       /* # entries that we'll print */
-
-	if (priv->ucode_type == UCODE_INIT)
-		base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
-	else
-		base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
-
-	if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
-		IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base);
-		return;
-	}
-
-	/* event log header */
-	capacity = iwl_read_targ_mem(priv, base);
-	mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32)));
-	num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32)));
-	next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32)));
-
-	size = num_wraps ? capacity : next_entry;
-
-	/* bail out if nothing in log */
-	if (size == 0) {
-		IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n");
-		return;
-	}
-
-	IWL_ERR(priv, "Start IWL Event Log Dump: display count %d, wraps %d\n",
-			size, num_wraps);
-
-	/* if uCode has wrapped back to top of log, start at the oldest entry,
-	 * i.e the next one that uCode would fill. */
-	if (num_wraps)
-		iwl_print_event_log(priv, next_entry,
-					capacity - next_entry, mode);
-	/* (then/else) start at top of log */
-	iwl_print_event_log(priv, 0, next_entry, mode);
-
-}
-EXPORT_SYMBOL(iwl_dump_nic_event_log);
-
 void iwl_rf_kill_ct_config(struct iwl_priv *priv)
 {
 	struct iwl_ct_kill_config cmd;
@@ -2293,7 +2289,7 @@ void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
 	IWL_DEBUG_RADIO(priv, "Dumping %d bytes of unhandled "
 			"notification for %s:\n",
 			le32_to_cpu(pkt->len), get_cmd_string(pkt->hdr.cmd));
-	iwl_print_hex_dump(priv, IWL_DL_RADIO, pkt->u.raw, le32_to_cpu(pkt->len));
+	iwl_print_hex_dump(IWL_DL_RADIO, pkt->u.raw, le32_to_cpu(pkt->len));
 }
 EXPORT_SYMBOL(iwl_rx_pm_debug_statistics_notif);
 

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

@@ -116,6 +116,17 @@ struct iwl_temp_ops {
 	void (*set_ct_kill)(struct iwl_priv *priv);
 };
 
+struct iwl_ucode_ops {
+	u32 (*get_header_size)(u32);
+	u32 (*get_build)(const struct iwl_ucode_header *, u32);
+	u32 (*get_inst_size)(const struct iwl_ucode_header *, u32);
+	u32 (*get_data_size)(const struct iwl_ucode_header *, u32);
+	u32 (*get_init_size)(const struct iwl_ucode_header *, u32);
+	u32 (*get_init_data_size)(const struct iwl_ucode_header *, u32);
+	u32 (*get_boot_size)(const struct iwl_ucode_header *, u32);
+	u8 * (*get_data)(const struct iwl_ucode_header *, u32);
+};
+
 struct iwl_lib_ops {
 	/* set hw dependent parameters */
 	int (*set_hw_params)(struct iwl_priv *priv);
@@ -171,6 +182,7 @@ struct iwl_lib_ops {
 };
 
 struct iwl_ops {
+	const struct iwl_ucode_ops *ucode;
 	const struct iwl_lib_ops *lib;
 	const struct iwl_hcmd_ops *hcmd;
 	const struct iwl_hcmd_utils_ops *utils;
@@ -178,7 +190,6 @@ struct iwl_ops {
 
 struct iwl_mod_params {
 	int sw_crypto;		/* def: 0 = using hardware encryption */
-	u32 debug;		/* def: 0 = minimal debug log messages */
 	int disable_hw_scan;	/* def: 0 = use h/w scan */
 	int num_of_queues;	/* def: HW dependent */
 	int num_of_ampdu_queues;/* def: HW dependent */
@@ -447,8 +458,6 @@ int iwl_send_card_state(struct iwl_priv *priv, u32 flags,
 /*****************************************************
  * PCI						     *
  *****************************************************/
-void iwl_disable_interrupts(struct iwl_priv *priv);
-void iwl_enable_interrupts(struct iwl_priv *priv);
 irqreturn_t iwl_isr_legacy(int irq, void *data);
 int iwl_reset_ict(struct iwl_priv *priv);
 void iwl_disable_ict(struct iwl_priv *priv);
@@ -472,7 +481,6 @@ int iwl_pci_resume(struct pci_dev *pdev);
 /*****************************************************
 *  Error Handling Debugging
 ******************************************************/
-void iwl_dump_nic_error_log(struct iwl_priv *priv);
 void iwl_dump_nic_event_log(struct iwl_priv *priv);
 void iwl_clear_isr_stats(struct iwl_priv *priv);
 
@@ -501,6 +509,8 @@ void iwlcore_free_geos(struct iwl_priv *priv);
 #define STATUS_POWER_PMI	16
 #define STATUS_FW_ERROR		17
 #define STATUS_MODE_PENDING	18
+#define STATUS_INIT_UCODE_ALIVE	19
+#define STATUS_RT_UCODE_ALIVE	20
 
 
 static inline int iwl_is_ready(struct iwl_priv *priv)

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

@@ -30,6 +30,7 @@
 #define __iwl_debug_h__
 
 struct iwl_priv;
+extern u32 iwl_debug_level;
 
 #define IWL_ERR(p, f, a...) dev_err(&((p)->pci_dev->dev), f, ## a)
 #define IWL_WARN(p, f, a...) dev_warn(&((p)->pci_dev->dev), f, ## a)
@@ -45,7 +46,7 @@ do {									\
 #ifdef CONFIG_IWLWIFI_DEBUG
 #define IWL_DEBUG(__priv, level, fmt, args...)				\
 do {									\
-	if (__priv->debug_level & (level))				\
+	if (iwl_debug_level & (level))					\
 		dev_printk(KERN_ERR, &(__priv->hw->wiphy->dev),		\
 			 "%c %s " fmt, in_interrupt() ? 'I' : 'U',	\
 			__func__ , ## args);				\
@@ -53,15 +54,15 @@ do {									\
 
 #define IWL_DEBUG_LIMIT(__priv, level, fmt, args...)			\
 do {									\
-	if ((__priv->debug_level & (level)) && net_ratelimit())		\
+	if ((iwl_debug_level & (level)) && net_ratelimit())		\
 		dev_printk(KERN_ERR, &(__priv->hw->wiphy->dev),		\
 			"%c %s " fmt, in_interrupt() ? 'I' : 'U',	\
 			 __func__ , ## args);				\
 } while (0)
 
-#define iwl_print_hex_dump(priv, level, p, len) 			\
+#define iwl_print_hex_dump(level, p, len) 				\
 do {                                            			\
-	if (priv->debug_level & level)          			\
+	if (iwl_debug_level & level)          				\
 		print_hex_dump(KERN_DEBUG, "iwl data: ",		\
 			       DUMP_PREFIX_OFFSET, 16, 1, p, len, 1);	\
 } while (0)
@@ -82,6 +83,10 @@ struct iwl_debugfs {
 		struct dentry *file_channels;
 		struct dentry *file_status;
 		struct dentry *file_interrupt;
+		struct dentry *file_qos;
+#ifdef CONFIG_IWLWIFI_LEDS
+		struct dentry *file_led;
+#endif
 	} dbgfs_data_files;
 	struct dir_rf_files {
 		struct dentry *file_disable_sensitivity;
@@ -99,8 +104,7 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv);
 #else
 #define IWL_DEBUG(__priv, level, fmt, args...)
 #define IWL_DEBUG_LIMIT(__priv, level, fmt, args...)
-static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
-				      void *p, u32 len)
+static inline void iwl_print_hex_dump(int level, void *p, u32 len)
 {}
 #endif				/* CONFIG_IWLWIFI_DEBUG */
 

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

@@ -49,7 +49,8 @@
 
 #define DEBUGFS_ADD_FILE(name, parent) do {                             \
 	dbgfs->dbgfs_##parent##_files.file_##name =                     \
-	debugfs_create_file(#name, 0644, dbgfs->dir_##parent, priv,     \
+	debugfs_create_file(#name, S_IWUSR | S_IRUSR,                   \
+				dbgfs->dir_##parent, priv,              \
 				&iwl_dbgfs_##name##_ops);               \
 	if (!(dbgfs->dbgfs_##parent##_files.file_##name))               \
 		goto err;                                               \
@@ -57,7 +58,8 @@
 
 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do {                        \
 	dbgfs->dbgfs_##parent##_files.file_##name =                     \
-	debugfs_create_bool(#name, 0644, dbgfs->dir_##parent, ptr);     \
+	debugfs_create_bool(#name, S_IWUSR | S_IRUSR,                   \
+			    dbgfs->dir_##parent, ptr);                  \
 	if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)		\
 			|| !dbgfs->dbgfs_##parent##_files.file_##name)	\
 		goto err;                                               \
@@ -65,7 +67,7 @@
 
 #define DEBUGFS_ADD_X32(name, parent, ptr) do {                        \
 	dbgfs->dbgfs_##parent##_files.file_##name =                     \
-	debugfs_create_x32(#name, 0444, dbgfs->dir_##parent, ptr);     \
+	debugfs_create_x32(#name, S_IRUSR, dbgfs->dir_##parent, ptr);   \
 	if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)		\
 			|| !dbgfs->dbgfs_##parent##_files.file_##name)	\
 		goto err;                                               \
@@ -566,6 +568,55 @@ static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
 	return count;
 }
 
+static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
+				       size_t count, loff_t *ppos)
+{
+	struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+	int pos = 0, i;
+	char buf[256];
+	const size_t bufsz = sizeof(buf);
+	ssize_t ret;
+
+	for (i = 0; i < AC_NUM; i++) {
+		pos += scnprintf(buf + pos, bufsz - pos,
+			"\tcw_min\tcw_max\taifsn\ttxop\n");
+		pos += scnprintf(buf + pos, bufsz - pos,
+				"AC[%d]\t%u\t%u\t%u\t%u\n", i,
+				priv->qos_data.def_qos_parm.ac[i].cw_min,
+				priv->qos_data.def_qos_parm.ac[i].cw_max,
+				priv->qos_data.def_qos_parm.ac[i].aifsn,
+				priv->qos_data.def_qos_parm.ac[i].edca_txop);
+	}
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	return ret;
+}
+
+#ifdef CONFIG_IWLWIFI_LEDS
+static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
+				  size_t count, loff_t *ppos)
+{
+	struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+	int pos = 0;
+	char buf[256];
+	const size_t bufsz = sizeof(buf);
+	ssize_t ret;
+
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "allow blinking: %s\n",
+			 (priv->allow_blinking) ? "True" : "False");
+	if (priv->allow_blinking) {
+		pos += scnprintf(buf + pos, bufsz - pos,
+				 "Led blinking rate: %u\n",
+				 priv->last_blink_rate);
+		pos += scnprintf(buf + pos, bufsz - pos,
+				 "Last blink time: %lu\n",
+				 priv->last_blink_time);
+	}
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	return ret;
+}
+#endif
 
 DEBUGFS_READ_WRITE_FILE_OPS(sram);
 DEBUGFS_WRITE_FILE_OPS(log_event);
@@ -576,6 +627,10 @@ DEBUGFS_READ_FILE_OPS(tx_statistics);
 DEBUGFS_READ_FILE_OPS(channels);
 DEBUGFS_READ_FILE_OPS(status);
 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
+DEBUGFS_READ_FILE_OPS(qos);
+#ifdef CONFIG_IWLWIFI_LEDS
+DEBUGFS_READ_FILE_OPS(led);
+#endif
 
 /*
  * Create the debugfs files and directories
@@ -612,6 +667,10 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
 	DEBUGFS_ADD_FILE(channels, data);
 	DEBUGFS_ADD_FILE(status, data);
 	DEBUGFS_ADD_FILE(interrupt, data);
+	DEBUGFS_ADD_FILE(qos, data);
+#ifdef CONFIG_IWLWIFI_LEDS
+	DEBUGFS_ADD_FILE(led, data);
+#endif
 	DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
 	DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
 			 &priv->disable_chain_noise_cal);
@@ -646,6 +705,10 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
+	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
+#ifdef CONFIG_IWLWIFI_LEDS
+	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);
+#endif
 	DEBUGFS_REMOVE(priv->dbgfs->dir_data);
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
 	DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);

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

@@ -66,6 +66,7 @@ extern struct iwl_cfg iwl1000_bgn_cfg;
 /* shared structures from iwl-5000.c */
 extern struct iwl_mod_params iwl50_mod_params;
 extern struct iwl_ops iwl5000_ops;
+extern struct iwl_ucode_ops iwl5000_ucode;
 extern struct iwl_lib_ops iwl5000_lib;
 extern struct iwl_hcmd_ops iwl5000_hcmd;
 extern struct iwl_hcmd_utils_ops iwl5000_hcmd_utils;
@@ -258,8 +259,10 @@ struct iwl_channel_info {
 #define IWL_TX_FIFO_HCCA_2	6
 #define IWL_TX_FIFO_NONE	7
 
-/* Minimum number of queues. MAX_NUM is defined in hw specific files */
-#define IWL_MIN_NUM_QUEUES	4
+/* Minimum number of queues. MAX_NUM is defined in hw specific files.
+ * Set the minimum to accommodate the 4 standard TX queues, 1 command
+ * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */
+#define IWL_MIN_NUM_QUEUES	10
 
 /* Power management (not Tx power) structures */
 
@@ -523,15 +526,29 @@ struct fw_desc {
 };
 
 /* uCode file layout */
-struct iwl_ucode {
-	__le32 ver;		/* major/minor/API/serial */
-	__le32 inst_size;	/* bytes of runtime instructions */
-	__le32 data_size;	/* bytes of runtime data */
-	__le32 init_size;	/* bytes of initialization instructions */
-	__le32 init_data_size;	/* bytes of initialization data */
-	__le32 boot_size;	/* bytes of bootstrap instructions */
-	u8 data[0];		/* data in same order as "size" elements */
+struct iwl_ucode_header {
+	__le32 ver;	/* major/minor/API/serial */
+	union {
+		struct {
+			__le32 inst_size;	/* bytes of runtime code */
+			__le32 data_size;	/* bytes of runtime data */
+			__le32 init_size;	/* bytes of init code */
+			__le32 init_data_size;	/* bytes of init data */
+			__le32 boot_size;	/* bytes of bootstrap code */
+			u8 data[0];		/* in same order as sizes */
+		} v1;
+		struct {
+			__le32 build;		/* build number */
+			__le32 inst_size;	/* bytes of runtime code */
+			__le32 data_size;	/* bytes of runtime data */
+			__le32 init_size;	/* bytes of init code */
+			__le32 init_data_size;	/* bytes of init data */
+			__le32 boot_size;	/* bytes of bootstrap code */
+			u8 data[0];		/* in same order as sizes */
+		} v2;
+	} u;
 };
+#define UCODE_HEADER_SIZE(ver) ((ver) == 1 ? 24 : 28)
 
 struct iwl4965_ibss_seq {
 	u8 mac[ETH_ALEN];
@@ -755,6 +772,8 @@ struct iwl_calib_result {
 	size_t buf_len;
 };
 
+#define UCODE_ALIVE_TIMEOUT	(5 * HZ)
+
 enum ucode_type {
 	UCODE_NONE = 0,
 	UCODE_INIT,
@@ -1092,7 +1111,6 @@ struct iwl_priv {
 
 #ifdef CONFIG_IWLWIFI_DEBUG
 	/* debugging info */
-	u32 debug_level;
 	u32 framecnt_to_us;
 	atomic_t restrict_refcnt;
 #ifdef CONFIG_IWLWIFI_DEBUGFS

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

@@ -159,6 +159,9 @@ static int iwlcore_get_nvm_type(struct iwl_priv *priv)
 
 	/* OTP only valid for CP/PP and after */
 	switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
+	case CSR_HW_REV_TYPE_NONE:
+		IWL_ERR(priv, "Unknown hardware type\n");
+		return -ENOENT;
 	case CSR_HW_REV_TYPE_3945:
 	case CSR_HW_REV_TYPE_4965:
 	case CSR_HW_REV_TYPE_5300:
@@ -266,7 +269,8 @@ int iwl_eeprom_init(struct iwl_priv *priv)
 	u32 otpgp;
 
 	priv->nvm_device_type = iwlcore_get_nvm_type(priv);
-
+	if (priv->nvm_device_type == -ENOENT)
+		return -ENOENT;
 	/* allocate eeprom */
 	if (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
 		priv->cfg->eeprom_size =

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

@@ -145,4 +145,25 @@ static inline void iwl_stop_queue(struct iwl_priv *priv, u8 queue)
 #define ieee80211_stop_queue DO_NOT_USE_ieee80211_stop_queue
 #define ieee80211_wake_queue DO_NOT_USE_ieee80211_wake_queue
 
+static inline void iwl_disable_interrupts(struct iwl_priv *priv)
+{
+	clear_bit(STATUS_INT_ENABLED, &priv->status);
+
+	/* disable interrupts from uCode/NIC to host */
+	iwl_write32(priv, CSR_INT_MASK, 0x00000000);
+
+	/* acknowledge/clear/reset any interrupts still pending
+	 * from uCode or flow handler (Rx/Tx DMA) */
+	iwl_write32(priv, CSR_INT, 0xffffffff);
+	iwl_write32(priv, CSR_FH_INT_STATUS, 0xffffffff);
+	IWL_DEBUG_ISR(priv, "Disabled interrupts\n");
+}
+
+static inline void iwl_enable_interrupts(struct iwl_priv *priv)
+{
+	IWL_DEBUG_ISR(priv, "Enabling interrupts\n");
+	set_bit(STATUS_INT_ENABLED, &priv->status);
+	iwl_write32(priv, CSR_INT_MASK, priv->inta_mask);
+}
+
 #endif				/* __iwl_helpers_h__ */

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

@@ -54,7 +54,7 @@ static const char *led_type_str[] = {
 
 
 static const struct {
-	u16 tpt;
+	u16 tpt;	/* Mb/s */
 	u8 on_time;
 	u8 off_time;
 } blink_tbl[] =
@@ -104,7 +104,7 @@ static int iwl_send_led_cmd(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd)
 }
 
 /* Set led pattern command */
-static int iwl4965_led_pattern(struct iwl_priv *priv, int led_id,
+static int iwl_led_pattern(struct iwl_priv *priv, int led_id,
 			       unsigned int idx)
 {
 	struct iwl_led_cmd led_cmd = {
@@ -121,7 +121,7 @@ static int iwl4965_led_pattern(struct iwl_priv *priv, int led_id,
 }
 
 /* Set led register off */
-static int iwl4965_led_on_reg(struct iwl_priv *priv, int led_id)
+static int iwl_led_on_reg(struct iwl_priv *priv, int led_id)
 {
 	IWL_DEBUG_LED(priv, "led on %d\n", led_id);
 	iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_ON);
@@ -130,7 +130,7 @@ static int iwl4965_led_on_reg(struct iwl_priv *priv, int led_id)
 
 #if 0
 /* Set led on command */
-static int iwl4965_led_on(struct iwl_priv *priv, int led_id)
+static int iwl_led_on(struct iwl_priv *priv, int led_id)
 {
 	struct iwl_led_cmd led_cmd = {
 		.id = led_id,
@@ -142,7 +142,7 @@ static int iwl4965_led_on(struct iwl_priv *priv, int led_id)
 }
 
 /* Set led off command */
-int iwl4965_led_off(struct iwl_priv *priv, int led_id)
+int iwl_led_off(struct iwl_priv *priv, int led_id)
 {
 	struct iwl_led_cmd led_cmd = {
 		.id = led_id,
@@ -157,7 +157,7 @@ int iwl4965_led_off(struct iwl_priv *priv, int led_id)
 
 
 /* Set led register off */
-static int iwl4965_led_off_reg(struct iwl_priv *priv, int led_id)
+static int iwl_led_off_reg(struct iwl_priv *priv, int led_id)
 {
 	IWL_DEBUG_LED(priv, "LED Reg off\n");
 	iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_OFF);
@@ -171,7 +171,7 @@ static int iwl_led_associate(struct iwl_priv *priv, int led_id)
 {
 	IWL_DEBUG_LED(priv, "Associated\n");
 	priv->allow_blinking = 1;
-	return iwl4965_led_on_reg(priv, led_id);
+	return iwl_led_on_reg(priv, led_id);
 }
 static int iwl_led_disassociate(struct iwl_priv *priv, int led_id)
 {
@@ -264,13 +264,15 @@ static int iwl_leds_register_led(struct iwl_priv *priv, struct iwl_led *led,
 
 
 /*
- * calculate blink rate according to last 2 sec Tx/Rx activities
+ * calculate blink rate according to last second Tx/Rx activities
  */
 static int iwl_get_blink_rate(struct iwl_priv *priv)
 {
 	int i;
-	u64 current_tpt = priv->tx_stats[2].bytes;
-	/* FIXME: + priv->rx_stats[2].bytes; */
+	/* count both tx and rx traffic to be able to
+	 * handle traffic in either direction
+	 */
+	u64 current_tpt = priv->tx_stats[2].bytes + priv->rx_stats[2].bytes;
 	s64 tpt = current_tpt - priv->led_tpt;
 
 	if (tpt < 0) /* wraparound */
@@ -314,7 +316,7 @@ void iwl_leds_background(struct iwl_priv *priv)
 		priv->last_blink_time = 0;
 		if (priv->last_blink_rate != IWL_SOLID_BLINK_IDX) {
 			priv->last_blink_rate = IWL_SOLID_BLINK_IDX;
-			iwl4965_led_pattern(priv, IWL_LED_LINK,
+			iwl_led_pattern(priv, IWL_LED_LINK,
 					    IWL_SOLID_BLINK_IDX);
 		}
 		return;
@@ -328,7 +330,7 @@ void iwl_leds_background(struct iwl_priv *priv)
 
 	/* call only if blink rate change */
 	if (blink_idx != priv->last_blink_rate)
-		iwl4965_led_pattern(priv, IWL_LED_LINK, blink_idx);
+		iwl_led_pattern(priv, IWL_LED_LINK, blink_idx);
 
 	priv->last_blink_time = jiffies;
 	priv->last_blink_rate = blink_idx;
@@ -351,8 +353,8 @@ int iwl_leds_register(struct iwl_priv *priv)
 		 sizeof(priv->led[IWL_LED_TRG_RADIO].name), "iwl-%s::radio",
 		 wiphy_name(priv->hw->wiphy));
 
-	priv->led[IWL_LED_TRG_RADIO].led_on = iwl4965_led_on_reg;
-	priv->led[IWL_LED_TRG_RADIO].led_off = iwl4965_led_off_reg;
+	priv->led[IWL_LED_TRG_RADIO].led_on = iwl_led_on_reg;
+	priv->led[IWL_LED_TRG_RADIO].led_off = iwl_led_off_reg;
 	priv->led[IWL_LED_TRG_RADIO].led_pattern = NULL;
 
 	ret = iwl_leds_register_led(priv, &priv->led[IWL_LED_TRG_RADIO],
@@ -386,7 +388,7 @@ int iwl_leds_register(struct iwl_priv *priv)
 
 	priv->led[IWL_LED_TRG_RX].led_on = iwl_led_associated;
 	priv->led[IWL_LED_TRG_RX].led_off = iwl_led_associated;
-	priv->led[IWL_LED_TRG_RX].led_pattern = iwl4965_led_pattern;
+	priv->led[IWL_LED_TRG_RX].led_pattern = iwl_led_pattern;
 
 	if (ret)
 		goto exit_fail;
@@ -401,7 +403,7 @@ int iwl_leds_register(struct iwl_priv *priv)
 
 	priv->led[IWL_LED_TRG_TX].led_on = iwl_led_associated;
 	priv->led[IWL_LED_TRG_TX].led_off = iwl_led_associated;
-	priv->led[IWL_LED_TRG_TX].led_pattern = iwl4965_led_pattern;
+	priv->led[IWL_LED_TRG_TX].led_pattern = iwl_led_pattern;
 
 	if (ret)
 		goto exit_fail;

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

@@ -80,6 +80,8 @@
 #define APMG_RFKILL_REG			(APMG_BASE + 0x0014)
 #define APMG_RTC_INT_STT_REG		(APMG_BASE + 0x001c)
 #define APMG_RTC_INT_MSK_REG		(APMG_BASE + 0x0020)
+#define APMG_DIGITAL_SVR_REG		(APMG_BASE + 0x0058)
+#define APMG_ANALOG_SVR_REG		(APMG_BASE + 0x006C)
 
 #define APMG_CLK_VAL_DMA_CLK_RQT	(0x00000200)
 #define APMG_CLK_VAL_BSM_CLK_RQT	(0x00000800)
@@ -91,7 +93,8 @@
 #define APMG_PS_CTRL_VAL_PWR_SRC_VMAIN		(0x00000000)
 #define APMG_PS_CTRL_VAL_PWR_SRC_MAX		(0x01000000) /* 3945 only */
 #define APMG_PS_CTRL_VAL_PWR_SRC_VAUX		(0x02000000)
-
+#define APMG_SVR_VOLTAGE_CONFIG_BIT_MSK	(0x000001E0) /* bit 8:5 */
+#define APMG_SVR_DIGITAL_VOLTAGE_1_32		(0x00000060)
 
 #define APMG_PCIDEV_STT_VAL_L1_ACT_DIS		(0x00000800)
 

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

@@ -646,7 +646,7 @@ static void iwl_dbg_report_frame(struct iwl_priv *priv,
 	u32 tsf_low;
 	int rssi;
 
-	if (likely(!(priv->debug_level & IWL_DL_RX)))
+	if (likely(!(iwl_debug_level & IWL_DL_RX)))
 		return;
 
 	/* MAC header */
@@ -742,7 +742,7 @@ static void iwl_dbg_report_frame(struct iwl_priv *priv,
 		}
 	}
 	if (print_dump)
-		iwl_print_hex_dump(priv, IWL_DL_RX, header, length);
+		iwl_print_hex_dump(IWL_DL_RX, header, length);
 }
 #endif
 
@@ -1061,11 +1061,11 @@ void iwl_rx_reply_rx(struct iwl_priv *priv,
 
 	/* Set "1" to report good data frames in groups of 100 */
 #ifdef CONFIG_IWLWIFI_DEBUG
-	if (unlikely(priv->debug_level & IWL_DL_RX))
+	if (unlikely(iwl_debug_level & IWL_DL_RX))
 		iwl_dbg_report_frame(priv, rx_start, len, header, 1);
 #endif
 	IWL_DEBUG_STATS_LIMIT(priv, "Rssi %d, noise %d, qual %d, TSF %llu\n",
-		rx_status.signal, rx_status.noise, rx_status.signal,
+		rx_status.signal, rx_status.noise, rx_status.qual,
 		(unsigned long long)rx_status.mactime);
 
 	/*

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

@@ -566,6 +566,8 @@ int iwl_remove_default_wep_key(struct iwl_priv *priv,
 	unsigned long flags;
 
 	spin_lock_irqsave(&priv->sta_lock, flags);
+	IWL_DEBUG_WEP(priv, "Removing default WEP key: idx=%d\n",
+		      keyconf->keyidx);
 
 	if (!test_and_clear_bit(keyconf->keyidx, &priv->ucode_key_table))
 		IWL_ERR(priv, "index %d not used in uCode key table.\n",
@@ -573,6 +575,11 @@ int iwl_remove_default_wep_key(struct iwl_priv *priv,
 
 	priv->default_wep_key--;
 	memset(&priv->wep_keys[keyconf->keyidx], 0, sizeof(priv->wep_keys[0]));
+	if (iwl_is_rfkill(priv)) {
+		IWL_DEBUG_WEP(priv, "Not sending REPLY_WEPKEY command due to RFKILL.\n");
+		spin_unlock_irqrestore(&priv->sta_lock, flags);
+		return 0;
+	}
 	ret = iwl_send_static_wepkey_cmd(priv, 1);
 	IWL_DEBUG_WEP(priv, "Remove default WEP key: idx=%d ret=%d\n",
 		      keyconf->keyidx, ret);
@@ -853,6 +860,11 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
 	priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
 	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
 
+	if (iwl_is_rfkill(priv)) {
+		IWL_DEBUG_WEP(priv, "Not sending REPLY_ADD_STA command because RFKILL enabled. \n");
+		spin_unlock_irqrestore(&priv->sta_lock, flags);
+		return 0;
+	}
 	ret =  iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 	return ret;
@@ -1044,11 +1056,10 @@ EXPORT_SYMBOL(iwl_rxon_add_station);
 int iwl_get_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr)
 {
 	int sta_id;
-	u16 fc = le16_to_cpu(hdr->frame_control);
+	__le16 fc = hdr->frame_control;
 
 	/* If this frame is broadcast or management, use broadcast station id */
-	if (((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA) ||
-	    is_multicast_ether_addr(hdr->addr1))
+	if (!ieee80211_is_data(fc) ||  is_multicast_ether_addr(hdr->addr1))
 		return priv->hw_params.bcast_sta_id;
 
 	switch (priv->iw_mode) {
@@ -1082,7 +1093,7 @@ int iwl_get_sta_id(struct iwl_priv *priv, struct ieee80211_hdr *hdr)
 		IWL_DEBUG_DROP(priv, "Station %pM not in station map. "
 			       "Defaulting to broadcast...\n",
 			       hdr->addr1);
-		iwl_print_hex_dump(priv, IWL_DL_DROP, (u8 *) hdr, sizeof(*hdr));
+		iwl_print_hex_dump(IWL_DL_DROP, (u8 *) hdr, sizeof(*hdr));
 		return priv->hw_params.bcast_sta_id;
 
 	default:

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

@@ -869,8 +869,8 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	IWL_DEBUG_TX(priv, "sequence nr = 0X%x \n",
 		     le16_to_cpu(out_cmd->hdr.sequence));
 	IWL_DEBUG_TX(priv, "tx_flags = 0X%x \n", le32_to_cpu(tx_cmd->tx_flags));
-	iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx_cmd, sizeof(*tx_cmd));
-	iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx_cmd->hdr, hdr_len);
+	iwl_print_hex_dump(IWL_DL_TX, (u8 *)tx_cmd, sizeof(*tx_cmd));
+	iwl_print_hex_dump(IWL_DL_TX, (u8 *)tx_cmd->hdr, hdr_len);
 
 	/* Set up entry for this TFD in Tx byte-count array */
 	if (info->flags & IEEE80211_TX_CTL_AMPDU)
@@ -940,7 +940,7 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 	       !(cmd->meta.flags & CMD_SIZE_HUGE));
 
 	if (iwl_is_rfkill(priv)) {
-		IWL_DEBUG_INFO(priv, "Not sending command - RF KILL");
+		IWL_DEBUG_INFO(priv, "Not sending command - RF KILL\n");
 		return -EIO;
 	}
 

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

@@ -89,7 +89,7 @@ MODULE_LICENSE("GPL");
 
  /* module parameters */
 struct iwl_mod_params iwl3945_mod_params = {
-	.num_of_queues = IWL39_MAX_NUM_QUEUES,
+	.num_of_queues = IWL39_NUM_QUEUES, /* Not used */
 	.sw_crypto = 1,
 	.restart_fw = 1,
 	/* the rest are 0 by default */
@@ -612,8 +612,8 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	IWL_DEBUG_TX(priv, "sequence nr = 0X%x \n",
 		     le16_to_cpu(out_cmd->hdr.sequence));
 	IWL_DEBUG_TX(priv, "tx_flags = 0X%x \n", le32_to_cpu(tx->tx_flags));
-	iwl_print_hex_dump(priv, IWL_DL_TX, tx, sizeof(*tx));
-	iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx->hdr,
+	iwl_print_hex_dump(IWL_DL_TX, tx, sizeof(*tx));
+	iwl_print_hex_dump(IWL_DL_TX, (u8 *)tx->hdr,
 			   ieee80211_hdrlen(fc));
 
 	/*
@@ -926,7 +926,7 @@ static void iwl3945_rx_card_state_notif(struct iwl_priv *priv,
 	u32 flags = le32_to_cpu(pkt->u.card_state_notif.flags);
 	unsigned long status = priv->status;
 
-	IWL_DEBUG_RF_KILL(priv, "Card state received: HW:%s SW:%s\n",
+	IWL_WARN(priv, "Card state received: HW:%s SW:%s\n",
 			  (flags & HW_CARD_DISABLED) ? "Kill" : "On",
 			  (flags & SW_CARD_DISABLED) ? "Kill" : "On");
 
@@ -1644,7 +1644,7 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv)
 	iwl_write32(priv, CSR_FH_INT_STATUS, inta_fh);
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-	if (priv->debug_level & IWL_DL_ISR) {
+	if (iwl_debug_level & IWL_DL_ISR) {
 		/* just for debug */
 		inta_mask = iwl_read32(priv, CSR_INT_MASK);
 		IWL_DEBUG_ISR(priv, "inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
@@ -1663,7 +1663,7 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv)
 
 	/* Now service all interrupt bits discovered above. */
 	if (inta & CSR_INT_BIT_HW_ERR) {
-		IWL_ERR(priv, "Microcode HW error detected.  Restarting.\n");
+		IWL_ERR(priv, "Hardware error detected.  Restarting.\n");
 
 		/* Tell the device to stop sending interrupts */
 		iwl_disable_interrupts(priv);
@@ -1679,7 +1679,7 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv)
 	}
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-	if (priv->debug_level & (IWL_DL_ISR)) {
+	if (iwl_debug_level & (IWL_DL_ISR)) {
 		/* NIC fires this, but we don't use it, redundant with WAKEUP */
 		if (inta & CSR_INT_BIT_SCD) {
 			IWL_DEBUG_ISR(priv, "Scheduler finished to transmit "
@@ -1758,7 +1758,7 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv)
 		iwl_enable_interrupts(priv);
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-	if (priv->debug_level & (IWL_DL_ISR)) {
+	if (iwl_debug_level & (IWL_DL_ISR)) {
 		inta = iwl_read32(priv, CSR_INT);
 		inta_mask = iwl_read32(priv, CSR_INT_MASK);
 		inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
@@ -2041,7 +2041,7 @@ static void iwl3945_nic_start(struct iwl_priv *priv)
  */
 static int iwl3945_read_ucode(struct iwl_priv *priv)
 {
-	struct iwl_ucode *ucode;
+	const struct iwl_ucode_header *ucode;
 	int ret = -EINVAL, index;
 	const struct firmware *ucode_raw;
 	/* firmware file name contains uCode/driver compatibility version */
@@ -2082,22 +2082,24 @@ static int iwl3945_read_ucode(struct iwl_priv *priv)
 		goto error;
 
 	/* Make sure that we got at least our header! */
-	if (ucode_raw->size < sizeof(*ucode)) {
+	if (ucode_raw->size <  priv->cfg->ops->ucode->get_header_size(1)) {
 		IWL_ERR(priv, "File size way too small!\n");
 		ret = -EINVAL;
 		goto err_release;
 	}
 
 	/* Data from ucode file:  header followed by uCode images */
-	ucode = (void *)ucode_raw->data;
+	ucode = (struct iwl_ucode_header *)ucode_raw->data;
 
 	priv->ucode_ver = le32_to_cpu(ucode->ver);
 	api_ver = IWL_UCODE_API(priv->ucode_ver);
-	inst_size = le32_to_cpu(ucode->inst_size);
-	data_size = le32_to_cpu(ucode->data_size);
-	init_size = le32_to_cpu(ucode->init_size);
-	init_data_size = le32_to_cpu(ucode->init_data_size);
-	boot_size = le32_to_cpu(ucode->boot_size);
+	inst_size = priv->cfg->ops->ucode->get_inst_size(ucode, api_ver);
+	data_size = priv->cfg->ops->ucode->get_data_size(ucode, api_ver);
+	init_size = priv->cfg->ops->ucode->get_init_size(ucode, api_ver);
+	init_data_size =
+		priv->cfg->ops->ucode->get_init_data_size(ucode, api_ver);
+	boot_size = priv->cfg->ops->ucode->get_boot_size(ucode, api_ver);
+	src = priv->cfg->ops->ucode->get_data(ucode, api_ver);
 
 	/* api_ver should match the api version forming part of the
 	 * firmware filename ... but we don't check for that and only rely
@@ -2138,12 +2140,13 @@ static int iwl3945_read_ucode(struct iwl_priv *priv)
 
 
 	/* Verify size of file vs. image size info in file's header */
-	if (ucode_raw->size < sizeof(*ucode) +
+	if (ucode_raw->size != priv->cfg->ops->ucode->get_header_size(api_ver) +
 		inst_size + data_size + init_size +
 		init_data_size + boot_size) {
 
-		IWL_DEBUG_INFO(priv, "uCode file size %zd too small\n",
-			       ucode_raw->size);
+		IWL_DEBUG_INFO(priv,
+			"uCode file size %zd does not match expected size\n",
+			ucode_raw->size);
 		ret = -EINVAL;
 		goto err_release;
 	}
@@ -2226,44 +2229,44 @@ static int iwl3945_read_ucode(struct iwl_priv *priv)
 	/* Copy images into buffers for card's bus-master reads ... */
 
 	/* Runtime instructions (first block of data in file) */
-	src = &ucode->data[0];
-	len = priv->ucode_code.len;
+	len = inst_size;
 	IWL_DEBUG_INFO(priv,
 		"Copying (but not loading) uCode instr len %zd\n", len);
 	memcpy(priv->ucode_code.v_addr, src, len);
+	src += len;
+
 	IWL_DEBUG_INFO(priv, "uCode instr buf vaddr = 0x%p, paddr = 0x%08x\n",
 		priv->ucode_code.v_addr, (u32)priv->ucode_code.p_addr);
 
 	/* Runtime data (2nd block)
 	 * NOTE:  Copy into backup buffer will be done in iwl3945_up()  */
-	src = &ucode->data[inst_size];
-	len = priv->ucode_data.len;
+	len = data_size;
 	IWL_DEBUG_INFO(priv,
 		"Copying (but not loading) uCode data len %zd\n", len);
 	memcpy(priv->ucode_data.v_addr, src, len);
 	memcpy(priv->ucode_data_backup.v_addr, src, len);
+	src += len;
 
 	/* Initialization instructions (3rd block) */
 	if (init_size) {
-		src = &ucode->data[inst_size + data_size];
-		len = priv->ucode_init.len;
+		len = init_size;
 		IWL_DEBUG_INFO(priv,
 			"Copying (but not loading) init instr len %zd\n", len);
 		memcpy(priv->ucode_init.v_addr, src, len);
+		src += len;
 	}
 
 	/* Initialization data (4th block) */
 	if (init_data_size) {
-		src = &ucode->data[inst_size + data_size + init_size];
-		len = priv->ucode_init_data.len;
+		len = init_data_size;
 		IWL_DEBUG_INFO(priv,
 			"Copying (but not loading) init data len %zd\n", len);
 		memcpy(priv->ucode_init_data.v_addr, src, len);
+		src += len;
 	}
 
 	/* Bootstrap instructions (5th block) */
-	src = &ucode->data[inst_size + data_size + init_size + init_data_size];
-	len = priv->ucode_boot.len;
+	len = boot_size;
 	IWL_DEBUG_INFO(priv,
 		"Copying (but not loading) boot instr len %zd\n", len);
 	memcpy(priv->ucode_boot.v_addr, src, len);
@@ -3305,13 +3308,15 @@ static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
  * used for controlling the debug level.
  *
  * See the level definitions in iwl for details.
+ *
+ * FIXME This file can be deprecated as the module parameter is
+ * writable and users can thus also change the debug level
+ * using the /sys/module/iwl3945/parameters/debug file.
  */
 static ssize_t show_debug_level(struct device *d,
 				struct device_attribute *attr, char *buf)
 {
-	struct iwl_priv *priv = dev_get_drvdata(d);
-
-	return sprintf(buf, "0x%08X\n", priv->debug_level);
+	return sprintf(buf, "0x%08X\n", iwl_debug_level);
 }
 static ssize_t store_debug_level(struct device *d,
 				struct device_attribute *attr,
@@ -3325,7 +3330,7 @@ static ssize_t store_debug_level(struct device *d,
 	if (ret)
 		IWL_INFO(priv, "%s is not in hex or decimal form.\n", buf);
 	else
-		priv->debug_level = val;
+		iwl_debug_level = val;
 
 	return strnlen(buf, count);
 }
@@ -3947,15 +3952,6 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
 	priv = hw->priv;
 	SET_IEEE80211_DEV(hw, &pdev->dev);
 
-	if ((iwl3945_mod_params.num_of_queues > IWL39_MAX_NUM_QUEUES) ||
-	     (iwl3945_mod_params.num_of_queues < IWL_MIN_NUM_QUEUES)) {
-		IWL_ERR(priv,
-			"invalid queues_num, should be between %d and %d\n",
-			IWL_MIN_NUM_QUEUES, IWL39_MAX_NUM_QUEUES);
-		err = -EINVAL;
-		goto out_ieee80211_free_hw;
-	}
-
 	/*
 	 * Disabling hardware scan means that mac80211 will perform scans
 	 * "the hard way", rather than using device's scan.
@@ -3972,7 +3968,6 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
 	priv->inta_mask = CSR_INI_SET_MASK;
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-	priv->debug_level = iwl3945_mod_params.debug;
 	atomic_set(&priv->restrict_refcnt, 0);
 #endif
 
@@ -4268,14 +4263,12 @@ MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])");
 module_param_named(swcrypto, iwl3945_mod_params.sw_crypto, int, 0444);
 MODULE_PARM_DESC(swcrypto,
 		 "using software crypto (default 1 [software])\n");
-module_param_named(debug, iwl3945_mod_params.debug, uint, 0444);
+#ifdef CONFIG_IWLWIFI_DEBUG
+module_param_named(debug, iwl_debug_level, uint, 0644);
 MODULE_PARM_DESC(debug, "debug output mask");
+#endif
 module_param_named(disable_hw_scan, iwl3945_mod_params.disable_hw_scan, int, 0444);
 MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)");
-
-module_param_named(queues_num, iwl3945_mod_params.num_of_queues, int, 0444);
-MODULE_PARM_DESC(queues_num, "number of hw queues.");
-
 module_param_named(fw_restart3945, iwl3945_mod_params.restart_fw, int, 0444);
 MODULE_PARM_DESC(fw_restart3945, "restart firmware in case of error");
 

drivers/net/wireless/iwmc3200wifi/cfg80211.c

@@ -158,34 +158,6 @@ static int iwm_key_init(struct iwm_key *key, u8 key_index,
 	return 0;
 }
 
-static int iwm_reset_profile(struct iwm_priv *iwm)
-{
-	int ret;
-
-	if (!iwm->umac_profile_active)
-		return 0;
-
-	/*
-	 * If there is a current active profile, but no
-	 * default key, it's not worth trying to associate again.
-	 */
-	if (iwm->default_key < 0)
-		return 0;
-
-	/*
-	 * Here we have an active profile, but a key setting changed.
-	 * We thus have to invalidate the current profile, and push the
-	 * new one. Keys will be pushed when association takes place.
-	 */
-	ret = iwm_invalidate_mlme_profile(iwm);
-	if (ret < 0) {
-		IWM_ERR(iwm, "Couldn't invalidate profile\n");
-		return ret;
-	}
-
-	return iwm_send_mlme_profile(iwm);
-}
-
 static int iwm_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
 				u8 key_index, const u8 *mac_addr,
 				struct key_params *params)
@@ -203,32 +175,6 @@ static int iwm_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
 		return ret;
 	}
 
-	/*
-	 * The WEP keys can be set before or after setting the essid.
-	 * We need to handle both cases by simply pushing the keys after
-	 * we send the profile.
-	 * If the profile is not set yet (i.e. we're pushing keys before
-	 * the essid), we set the cipher appropriately.
-	 * If the profile is set, we havent associated yet because our
-	 * cipher was incorrectly set. So we invalidate and send the
-	 * profile again.
-	 */
-	if (key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
-	    key->cipher == WLAN_CIPHER_SUITE_WEP104) {
-		u8 *ucast_cipher = &iwm->umac_profile->sec.ucast_cipher;
-		u8 *mcast_cipher = &iwm->umac_profile->sec.mcast_cipher;
-
-		IWM_DBG_WEXT(iwm, DBG, "WEP key\n");
-
-		if (key->cipher == WLAN_CIPHER_SUITE_WEP40)
-			*ucast_cipher = *mcast_cipher = UMAC_CIPHER_TYPE_WEP_40;
-		if (key->cipher == WLAN_CIPHER_SUITE_WEP104)
-			*ucast_cipher = *mcast_cipher =
-				UMAC_CIPHER_TYPE_WEP_104;
-
-		return iwm_reset_profile(iwm);
-	}
-
 	return iwm_set_key(iwm, 0, key);
 }
 
@@ -271,10 +217,6 @@ static int iwm_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
 	if (key_index == iwm->default_key)
 		iwm->default_key = -1;
 
-	/* If the interface is down, we just cache this */
-	if (!test_bit(IWM_STATUS_READY, &iwm->status))
-		return 0;
-
 	return iwm_set_key(iwm, 1, key);
 }
 
@@ -283,7 +225,6 @@ static int iwm_cfg80211_set_default_key(struct wiphy *wiphy,
 					u8 key_index)
 {
 	struct iwm_priv *iwm = ndev_to_iwm(ndev);
-	int ret;
 
 	IWM_DBG_WEXT(iwm, DBG, "Default key index is: %d\n", key_index);
 
@@ -294,15 +235,26 @@ static int iwm_cfg80211_set_default_key(struct wiphy *wiphy,
 
 	iwm->default_key = key_index;
 
-	/* If the interface is down, we just cache this */
-	if (!test_bit(IWM_STATUS_READY, &iwm->status))
-		return 0;
+	return iwm_set_tx_key(iwm, key_index);
+}
 
-	ret = iwm_set_tx_key(iwm, key_index);
-	if (ret < 0)
-		return ret;
+int iwm_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
+			     u8 *mac, struct station_info *sinfo)
+{
+	struct iwm_priv *iwm = ndev_to_iwm(ndev);
+
+	if (memcmp(mac, iwm->bssid, ETH_ALEN))
+		return -ENOENT;
 
-	return iwm_reset_profile(iwm);
+	sinfo->filled |= STATION_INFO_TX_BITRATE;
+	sinfo->txrate.legacy = iwm->rate * 10;
+
+	if (test_bit(IWM_STATUS_ASSOCIATED, &iwm->status)) {
+		sinfo->filled |= STATION_INFO_SIGNAL;
+		sinfo->signal = iwm->wstats.qual.level;
+	}
+
+	return 0;
 }
 
 
@@ -500,6 +452,179 @@ static int iwm_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
 	return 0;
 }
 
+static int iwm_set_auth_type(struct iwm_priv *iwm,
+			     enum nl80211_auth_type sme_auth_type)
+{
+	u8 *auth_type = &iwm->umac_profile->sec.auth_type;
+
+	switch (sme_auth_type) {
+	case NL80211_AUTHTYPE_AUTOMATIC:
+	case NL80211_AUTHTYPE_OPEN_SYSTEM:
+		IWM_DBG_WEXT(iwm, DBG, "OPEN auth\n");
+		*auth_type = UMAC_AUTH_TYPE_OPEN;
+		break;
+	case NL80211_AUTHTYPE_SHARED_KEY:
+		if (iwm->umac_profile->sec.flags &
+		    (UMAC_SEC_FLG_WPA_ON_MSK | UMAC_SEC_FLG_RSNA_ON_MSK)) {
+			IWM_DBG_WEXT(iwm, DBG, "WPA auth alg\n");
+			*auth_type = UMAC_AUTH_TYPE_RSNA_PSK;
+		} else {
+			IWM_DBG_WEXT(iwm, DBG, "WEP shared key auth alg\n");
+			*auth_type = UMAC_AUTH_TYPE_LEGACY_PSK;
+		}
+
+		break;
+	default:
+		IWM_ERR(iwm, "Unsupported auth alg: 0x%x\n", sme_auth_type);
+		return -ENOTSUPP;
+	}
+
+	return 0;
+}
+
+static int iwm_set_wpa_version(struct iwm_priv *iwm, u32 wpa_version)
+{
+	if (!wpa_version) {
+		iwm->umac_profile->sec.flags = UMAC_SEC_FLG_LEGACY_PROFILE;
+		return 0;
+	}
+
+	if (wpa_version & NL80211_WPA_VERSION_2)
+		iwm->umac_profile->sec.flags = UMAC_SEC_FLG_RSNA_ON_MSK;
+
+	if (wpa_version & NL80211_WPA_VERSION_1)
+		iwm->umac_profile->sec.flags |= UMAC_SEC_FLG_WPA_ON_MSK;
+
+	return 0;
+}
+
+static int iwm_set_cipher(struct iwm_priv *iwm, u32 cipher, bool ucast)
+{
+	u8 *profile_cipher = ucast ? &iwm->umac_profile->sec.ucast_cipher :
+		&iwm->umac_profile->sec.mcast_cipher;
+
+	if (!cipher) {
+		*profile_cipher = UMAC_CIPHER_TYPE_NONE;
+		return 0;
+	}
+
+	switch (cipher) {
+	case IW_AUTH_CIPHER_NONE:
+		*profile_cipher = UMAC_CIPHER_TYPE_NONE;
+		break;
+	case WLAN_CIPHER_SUITE_WEP40:
+		*profile_cipher = UMAC_CIPHER_TYPE_WEP_40;
+		break;
+	case WLAN_CIPHER_SUITE_WEP104:
+		*profile_cipher = UMAC_CIPHER_TYPE_WEP_104;
+		break;
+	case WLAN_CIPHER_SUITE_TKIP:
+		*profile_cipher = UMAC_CIPHER_TYPE_TKIP;
+		break;
+	case WLAN_CIPHER_SUITE_CCMP:
+		*profile_cipher = UMAC_CIPHER_TYPE_CCMP;
+		break;
+	default:
+		IWM_ERR(iwm, "Unsupported cipher: 0x%x\n", cipher);
+		return -ENOTSUPP;
+	}
+
+	return 0;
+}
+
+static int iwm_set_key_mgt(struct iwm_priv *iwm, u32 key_mgt)
+{
+	u8 *auth_type = &iwm->umac_profile->sec.auth_type;
+
+	IWM_DBG_WEXT(iwm, DBG, "key_mgt: 0x%x\n", key_mgt);
+
+	if (key_mgt == WLAN_AKM_SUITE_8021X)
+		*auth_type = UMAC_AUTH_TYPE_8021X;
+	else if (key_mgt == WLAN_AKM_SUITE_PSK) {
+		if (iwm->umac_profile->sec.flags &
+		    (UMAC_SEC_FLG_WPA_ON_MSK | UMAC_SEC_FLG_RSNA_ON_MSK))
+			*auth_type = UMAC_AUTH_TYPE_RSNA_PSK;
+		else
+			*auth_type = UMAC_AUTH_TYPE_LEGACY_PSK;
+	} else {
+		IWM_ERR(iwm, "Invalid key mgt: 0x%x\n", key_mgt);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+
+static int iwm_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
+				 struct cfg80211_connect_params *sme)
+{
+	struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
+	struct ieee80211_channel *chan = sme->channel;
+	int ret;
+
+	if (!test_bit(IWM_STATUS_READY, &iwm->status))
+		return -EIO;
+
+	if (!sme->ssid)
+		return -EINVAL;
+
+	if (chan)
+		iwm->channel =
+			ieee80211_frequency_to_channel(chan->center_freq);
+
+	iwm->umac_profile->ssid.ssid_len = sme->ssid_len;
+	memcpy(iwm->umac_profile->ssid.ssid, sme->ssid, sme->ssid_len);
+
+	if (sme->bssid) {
+		IWM_DBG_WEXT(iwm, DBG, "BSSID: %pM\n", sme->bssid);
+		memcpy(&iwm->umac_profile->bssid[0], sme->bssid, ETH_ALEN);
+		iwm->umac_profile->bss_num = 1;
+	} else {
+		memset(&iwm->umac_profile->bssid[0], 0, ETH_ALEN);
+		iwm->umac_profile->bss_num = 0;
+	}
+
+	ret = iwm_set_auth_type(iwm, sme->auth_type);
+	if (ret < 0)
+		return ret;
+
+	ret = iwm_set_wpa_version(iwm, sme->crypto.wpa_versions);
+	if (ret < 0)
+		return ret;
+
+	if (sme->crypto.n_ciphers_pairwise) {
+		ret = iwm_set_cipher(iwm, sme->crypto.ciphers_pairwise[0],
+				     true);
+		if (ret < 0)
+			return ret;
+	}
+
+	ret = iwm_set_cipher(iwm, sme->crypto.cipher_group, false);
+	if (ret < 0)
+		return ret;
+
+	if (sme->crypto.n_akm_suites) {
+		ret = iwm_set_key_mgt(iwm, sme->crypto.akm_suites[0]);
+		if (ret < 0)
+			return ret;
+	}
+
+	return iwm_send_mlme_profile(iwm);
+}
+
+static int iwm_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
+				   u16 reason_code)
+{
+	struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
+
+	IWM_DBG_WEXT(iwm, DBG, "Active: %d\n", iwm->umac_profile_active);
+
+	if (iwm->umac_profile_active)
+		return iwm_invalidate_mlme_profile(iwm);
+
+	return 0;
+}
+
 static int iwm_cfg80211_set_txpower(struct wiphy *wiphy,
 				    enum tx_power_setting type, int dbm)
 {
@@ -549,8 +674,11 @@ static struct cfg80211_ops iwm_cfg80211_ops = {
 	.get_key = iwm_cfg80211_get_key,
 	.del_key = iwm_cfg80211_del_key,
 	.set_default_key = iwm_cfg80211_set_default_key,
+	.get_station = iwm_cfg80211_get_station,
 	.scan = iwm_cfg80211_scan,
 	.set_wiphy_params = iwm_cfg80211_set_wiphy_params,
+	.connect = iwm_cfg80211_connect,
+	.disconnect = iwm_cfg80211_disconnect,
 	.join_ibss = iwm_cfg80211_join_ibss,
 	.leave_ibss = iwm_cfg80211_leave_ibss,
 	.set_tx_power = iwm_cfg80211_set_txpower,
@@ -558,6 +686,13 @@ static struct cfg80211_ops iwm_cfg80211_ops = {
 	.set_power_mgmt = iwm_cfg80211_set_power_mgmt,
 };
 
+static const u32 cipher_suites[] = {
+	WLAN_CIPHER_SUITE_WEP40,
+	WLAN_CIPHER_SUITE_WEP104,
+	WLAN_CIPHER_SUITE_TKIP,
+	WLAN_CIPHER_SUITE_CCMP,
+};
+
 struct wireless_dev *iwm_wdev_alloc(int sizeof_bus, struct device *dev)
 {
 	int ret = 0;
@@ -600,6 +735,9 @@ struct wireless_dev *iwm_wdev_alloc(int sizeof_bus, struct device *dev)
 	wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &iwm_band_5ghz;
 	wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
 
+	wdev->wiphy->cipher_suites = cipher_suites;
+	wdev->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
+
 	ret = wiphy_register(wdev->wiphy);
 	if (ret < 0) {
 		dev_err(dev, "Couldn't register wiphy device\n");

drivers/net/wireless/iwmc3200wifi/commands.c

@@ -87,8 +87,7 @@ int iwm_send_wifi_if_cmd(struct iwm_priv *iwm, void *payload, u16 payload_size,
 				   test_and_clear_bit(oid, &iwm->wifi_ntfy[0]),
 				   3 * HZ);
 
-		if (!ret)
-			ret = -EBUSY;
+		return ret ? 0 : -EBUSY;
 	}
 
 	return ret;
@@ -480,8 +479,10 @@ static int iwm_target_read(struct iwm_priv *iwm, __le32 address,
 	target_cmd.eop = 1;
 
 	ret = iwm_hal_send_target_cmd(iwm, &target_cmd, NULL);
-	if (ret < 0)
+	if (ret < 0) {
 		IWM_ERR(iwm, "Couldn't send READ command\n");
+		return ret;
+	}
 
 	/* When succeding, the send_target routine returns the seq number */
 	seq_num = ret;
@@ -501,7 +502,7 @@ static int iwm_target_read(struct iwm_priv *iwm, __le32 address,
 
 	kfree(cmd);
 
-	return ret;
+	return 0;
 }
 
 int iwm_read_mac(struct iwm_priv *iwm, u8 *mac)
@@ -511,7 +512,7 @@ int iwm_read_mac(struct iwm_priv *iwm, u8 *mac)
 
 	ret = iwm_target_read(iwm, cpu_to_le32(WICO_MAC_ADDRESS_ADDR),
 			      mac_align, sizeof(mac_align));
-	if (ret < 0)
+	if (ret)
 		return ret;
 
 	if (is_valid_ether_addr(mac_align))
@@ -583,12 +584,6 @@ int iwm_set_key(struct iwm_priv *iwm, bool remove, struct iwm_key *key)
 	struct iwm_umac_key_tkip *tkip = (struct iwm_umac_key_tkip *)cmd;
 	struct iwm_umac_key_ccmp *ccmp = (struct iwm_umac_key_ccmp *)cmd;
 
-	/*
-	 * We check if our current profile is valid.
-	 * If not, we dont push the key, we just cache them,
-	 * so that with the next siwsessid call, the keys
-	 * will be actually pushed.
-	 */
 	if (!remove) {
 		ret = iwm_check_profile(iwm);
 		if (ret < 0)
@@ -714,7 +709,7 @@ int iwm_set_key(struct iwm_priv *iwm, bool remove, struct iwm_key *key)
 		ret =  iwm_send_wifi_if_cmd(iwm, &key_remove,
 					    sizeof(struct iwm_umac_key_remove),
 					    1);
-		if (ret < 0)
+		if (ret)
 			return ret;
 
 		iwm->keys[key_idx].key_len = 0;
@@ -726,7 +721,7 @@ int iwm_set_key(struct iwm_priv *iwm, bool remove, struct iwm_key *key)
 
 int iwm_send_mlme_profile(struct iwm_priv *iwm)
 {
-	int ret, i;
+	int ret;
 	struct iwm_umac_profile profile;
 
 	memcpy(&profile, iwm->umac_profile, sizeof(profile));
@@ -736,32 +731,11 @@ int iwm_send_mlme_profile(struct iwm_priv *iwm)
 					   sizeof(struct iwm_umac_wifi_if));
 
 	ret = iwm_send_wifi_if_cmd(iwm, &profile, sizeof(profile), 1);
-	if (ret < 0) {
+	if (ret) {
 		IWM_ERR(iwm, "Send profile command failed\n");
 		return ret;
 	}
 
-	for (i = 0; i < IWM_NUM_KEYS; i++)
-		if (iwm->keys[i].key_len) {
-			struct iwm_key *key = &iwm->keys[i];
-
-			/* Wait for the profile before sending the keys */
-			wait_event_interruptible_timeout(iwm->mlme_queue,
-			     (test_bit(IWM_STATUS_ASSOCIATING, &iwm->status) ||
-			      test_bit(IWM_STATUS_ASSOCIATED, &iwm->status)),
-							 3 * HZ);
-
-			ret = iwm_set_key(iwm, 0, key);
-			if (ret < 0)
-				return ret;
-
-			if (iwm->default_key == i) {
-				ret = iwm_set_tx_key(iwm, i);
-				if (ret < 0)
-					return ret;
-			}
-		}
-
 	return 0;
 }
 
@@ -778,15 +752,13 @@ int iwm_invalidate_mlme_profile(struct iwm_priv *iwm)
 	invalid.reason = WLAN_REASON_UNSPECIFIED;
 
 	ret = iwm_send_wifi_if_cmd(iwm, &invalid, sizeof(invalid), 1);
-	if (ret < 0)
+	if (ret)
 		return ret;
 
 	ret = wait_event_interruptible_timeout(iwm->mlme_queue,
 				(iwm->umac_profile_active == 0), 2 * HZ);
-	if (!ret)
-		return -EBUSY;
 
-	return 0;
+	return ret ? 0 : -EBUSY;
 }
 
 int iwm_send_umac_stats_req(struct iwm_priv *iwm, u32 flags)
@@ -869,7 +841,7 @@ int iwm_scan_ssids(struct iwm_priv *iwm, struct cfg80211_ssid *ssids,
 	}
 
 	ret = iwm_send_wifi_if_cmd(iwm, &req, sizeof(req), 0);
-	if (ret < 0) {
+	if (ret) {
 		IWM_ERR(iwm, "Couldn't send scan request\n");
 		return ret;
 	}

drivers/net/wireless/iwmc3200wifi/hal.c

@@ -105,9 +105,9 @@
 #include "umac.h"
 #include "debug.h"
 
-static void iwm_nonwifi_cmd_init(struct iwm_priv *iwm,
-				 struct iwm_nonwifi_cmd *cmd,
-				 struct iwm_udma_nonwifi_cmd *udma_cmd)
+static int iwm_nonwifi_cmd_init(struct iwm_priv *iwm,
+				struct iwm_nonwifi_cmd *cmd,
+				struct iwm_udma_nonwifi_cmd *udma_cmd)
 {
 	INIT_LIST_HEAD(&cmd->pending);
 
@@ -118,7 +118,7 @@ static void iwm_nonwifi_cmd_init(struct iwm_priv *iwm,
 	cmd->seq_num = iwm->nonwifi_seq_num;
 	udma_cmd->seq_num = cpu_to_le16(cmd->seq_num);
 
-	cmd->seq_num = iwm->nonwifi_seq_num++;
+	iwm->nonwifi_seq_num++;
 	iwm->nonwifi_seq_num %= UMAC_NONWIFI_SEQ_NUM_MAX;
 
 	if (udma_cmd->resp)
@@ -130,6 +130,8 @@ static void iwm_nonwifi_cmd_init(struct iwm_priv *iwm,
 	cmd->buf.len = 0;
 
 	memcpy(&cmd->udma_cmd, udma_cmd, sizeof(*udma_cmd));
+
+	return cmd->seq_num;
 }
 
 u16 iwm_alloc_wifi_cmd_seq(struct iwm_priv *iwm)
@@ -369,7 +371,7 @@ int iwm_hal_send_target_cmd(struct iwm_priv *iwm,
 			    const void *payload)
 {
 	struct iwm_nonwifi_cmd *cmd;
-	int ret;
+	int ret, seq_num;
 
 	cmd = kzalloc(sizeof(struct iwm_nonwifi_cmd), GFP_KERNEL);
 	if (!cmd) {
@@ -377,7 +379,7 @@ int iwm_hal_send_target_cmd(struct iwm_priv *iwm,
 		return -ENOMEM;
 	}
 
-	iwm_nonwifi_cmd_init(iwm, cmd, udma_cmd);
+	seq_num = iwm_nonwifi_cmd_init(iwm, cmd, udma_cmd);
 
 	if (cmd->udma_cmd.opcode == UMAC_HDI_OUT_OPCODE_WRITE ||
 	    cmd->udma_cmd.opcode == UMAC_HDI_OUT_OPCODE_WRITE_PERSISTENT) {
@@ -393,7 +395,7 @@ int iwm_hal_send_target_cmd(struct iwm_priv *iwm,
 	if (ret < 0)
 		return ret;
 
-	return cmd->seq_num;
+	return seq_num;
 }
 
 static void iwm_build_lmac_hdr(struct iwm_priv *iwm, struct iwm_lmac_hdr *hdr,

drivers/net/wireless/iwmc3200wifi/iwm.h

@@ -281,6 +281,11 @@ struct iwm_priv {
 	struct work_struct reset_worker;
 	struct mutex mutex;
 
+	u8 *req_ie;
+	int req_ie_len;
+	u8 *resp_ie;
+	int resp_ie_len;
+
 	char private[0] __attribute__((__aligned__(NETDEV_ALIGN)));
 };
 

drivers/net/wireless/iwmc3200wifi/main.c

@@ -497,6 +497,13 @@ void iwm_link_off(struct iwm_priv *iwm)
 	memset(wstats, 0, sizeof(struct iw_statistics));
 	wstats->qual.updated = IW_QUAL_ALL_INVALID;
 
+	kfree(iwm->req_ie);
+	iwm->req_ie = NULL;
+	iwm->req_ie_len = 0;
+	kfree(iwm->resp_ie);
+	iwm->resp_ie = NULL;
+	iwm->resp_ie_len = 0;
+
 	del_timer_sync(&iwm->watchdog);
 }
 

drivers/net/wireless/iwmc3200wifi/rx.c

@@ -102,7 +102,6 @@ static int iwm_ntf_error(struct iwm_priv *iwm, u8 *buf,
 	error = (struct iwm_umac_notif_error *)buf;
 	fw_err = &error->err;
 
-
 	IWM_ERR(iwm, "%cMAC FW ERROR:\n",
 	 (le32_to_cpu(fw_err->category) == UMAC_SYS_ERR_CAT_LMAC) ? 'L' : 'U');
 	IWM_ERR(iwm, "\tCategory:    %d\n", le32_to_cpu(fw_err->category));
@@ -219,17 +218,17 @@ static int iwm_ntf_tx(struct iwm_priv *iwm, u8 *buf,
 		(buf + sizeof(struct iwm_umac_wifi_in_hdr));
 	hdr = (struct iwm_umac_wifi_in_hdr *)buf;
 
-	IWM_DBG_NTF(iwm, DBG, "REPLY_TX, buf size: %lu\n", buf_size);
+	IWM_DBG_TX(iwm, DBG, "REPLY_TX, buf size: %lu\n", buf_size);
 
-	IWM_DBG_NTF(iwm, DBG, "Seqnum: %d\n",
-		    le16_to_cpu(hdr->sw_hdr.cmd.seq_num));
-	IWM_DBG_NTF(iwm, DBG, "\tFrame cnt: %d\n", tx_resp->frame_cnt);
-	IWM_DBG_NTF(iwm, DBG, "\tRetry cnt: %d\n",
-		    le16_to_cpu(tx_resp->retry_cnt));
-	IWM_DBG_NTF(iwm, DBG, "\tSeq ctl: %d\n", le16_to_cpu(tx_resp->seq_ctl));
-	IWM_DBG_NTF(iwm, DBG, "\tByte cnt: %d\n",
-		    le16_to_cpu(tx_resp->byte_cnt));
-	IWM_DBG_NTF(iwm, DBG, "\tStatus: 0x%x\n", le32_to_cpu(tx_resp->status));
+	IWM_DBG_TX(iwm, DBG, "Seqnum: %d\n",
+		   le16_to_cpu(hdr->sw_hdr.cmd.seq_num));
+	IWM_DBG_TX(iwm, DBG, "\tFrame cnt: %d\n", tx_resp->frame_cnt);
+	IWM_DBG_TX(iwm, DBG, "\tRetry cnt: %d\n",
+		   le16_to_cpu(tx_resp->retry_cnt));
+	IWM_DBG_TX(iwm, DBG, "\tSeq ctl: %d\n", le16_to_cpu(tx_resp->seq_ctl));
+	IWM_DBG_TX(iwm, DBG, "\tByte cnt: %d\n",
+		   le16_to_cpu(tx_resp->byte_cnt));
+	IWM_DBG_TX(iwm, DBG, "\tStatus: 0x%x\n", le32_to_cpu(tx_resp->status));
 
 	return 0;
 }
@@ -419,8 +418,8 @@ static int iwm_ntf_rx_ticket(struct iwm_priv *iwm, u8 *buf,
 			if (IS_ERR(ticket_node))
 				return PTR_ERR(ticket_node);
 
-			IWM_DBG_NTF(iwm, DBG, "TICKET RELEASE(%d)\n",
-				    ticket->id);
+			IWM_DBG_RX(iwm, DBG, "TICKET RELEASE(%d)\n",
+				   ticket->id);
 			list_add_tail(&ticket_node->node, &iwm->rx_tickets);
 
 			/*
@@ -455,15 +454,15 @@ static int iwm_ntf_rx_packet(struct iwm_priv *iwm, u8 *buf,
 	u16 id, buf_offset;
 	u32 packet_size;
 
-	IWM_DBG_NTF(iwm, DBG, "\n");
+	IWM_DBG_RX(iwm, DBG, "\n");
 
 	wifi_hdr = (struct iwm_umac_wifi_in_hdr *)buf;
 	id = le16_to_cpu(wifi_hdr->sw_hdr.cmd.seq_num);
 	buf_offset = sizeof(struct iwm_umac_wifi_in_hdr);
 	packet_size = buf_size - sizeof(struct iwm_umac_wifi_in_hdr);
 
-	IWM_DBG_NTF(iwm, DBG, "CMD:0x%x, seqnum: %d, packet size: %d\n",
-		    wifi_hdr->sw_hdr.cmd.cmd, id, packet_size);
+	IWM_DBG_RX(iwm, DBG, "CMD:0x%x, seqnum: %d, packet size: %d\n",
+		   wifi_hdr->sw_hdr.cmd.cmd, id, packet_size);
 	IWM_DBG_RX(iwm, DBG, "Packet id: %d\n", id);
 	IWM_HEXDUMP(iwm, DBG, RX, "PACKET: ", buf + buf_offset, packet_size);
 
@@ -504,13 +503,10 @@ static int iwm_mlme_assoc_complete(struct iwm_priv *iwm, u8 *buf,
 {
 	struct iwm_umac_notif_assoc_complete *complete =
 		(struct iwm_umac_notif_assoc_complete *)buf;
-	union iwreq_data wrqu;
 
 	IWM_DBG_MLME(iwm, INFO, "Association with %pM completed, status: %d\n",
 		     complete->bssid, complete->status);
 
-	memset(&wrqu, 0, sizeof(wrqu));
-
 	clear_bit(IWM_STATUS_ASSOCIATING, &iwm->status);
 
 	switch (le32_to_cpu(complete->status)) {
@@ -521,7 +517,14 @@ static int iwm_mlme_assoc_complete(struct iwm_priv *iwm, u8 *buf,
 
 		iwm_link_on(iwm);
 
-		memcpy(wrqu.ap_addr.sa_data, complete->bssid, ETH_ALEN);
+		if (iwm->conf.mode == UMAC_MODE_IBSS)
+			goto ibss;
+
+		cfg80211_connect_result(iwm_to_ndev(iwm),
+					complete->bssid,
+					iwm->req_ie, iwm->req_ie_len,
+					iwm->resp_ie, iwm->resp_ie_len,
+					WLAN_STATUS_SUCCESS, GFP_KERNEL);
 		break;
 	case UMAC_ASSOC_COMPLETE_FAILURE:
 		clear_bit(IWM_STATUS_ASSOCIATED, &iwm->status);
@@ -529,18 +532,22 @@ static int iwm_mlme_assoc_complete(struct iwm_priv *iwm, u8 *buf,
 		iwm->channel = 0;
 
 		iwm_link_off(iwm);
+
+		if (iwm->conf.mode == UMAC_MODE_IBSS)
+			goto ibss;
+
+		cfg80211_connect_result(iwm_to_ndev(iwm), complete->bssid,
+					NULL, 0, NULL, 0,
+					WLAN_STATUS_UNSPECIFIED_FAILURE,
+					GFP_KERNEL);
 	default:
 		break;
 	}
 
-	if (iwm->conf.mode == UMAC_MODE_IBSS) {
-		cfg80211_ibss_joined(iwm_to_ndev(iwm), iwm->bssid, GFP_KERNEL);
-		return 0;
-	}
-
-	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
-	wireless_send_event(iwm_to_ndev(iwm), SIOCGIWAP, &wrqu, NULL);
+	return 0;
 
+ ibss:
+	cfg80211_ibss_joined(iwm_to_ndev(iwm), iwm->bssid, GFP_KERNEL);
 	return 0;
 }
 
@@ -770,37 +777,46 @@ static int iwm_mlme_mgt_frame(struct iwm_priv *iwm, u8 *buf,
 			      unsigned long buf_size, struct iwm_wifi_cmd *cmd)
 {
 	struct iwm_umac_notif_mgt_frame *mgt_frame =
-	(struct iwm_umac_notif_mgt_frame *)buf;
+			(struct iwm_umac_notif_mgt_frame *)buf;
 	struct ieee80211_mgmt *mgt = (struct ieee80211_mgmt *)mgt_frame->frame;
 	u8 *ie;
-	unsigned int event;
-	union iwreq_data wrqu;
 
 	IWM_HEXDUMP(iwm, DBG, MLME, "MGT: ", mgt_frame->frame,
 		    le16_to_cpu(mgt_frame->len));
 
 	if (ieee80211_is_assoc_req(mgt->frame_control)) {
 		ie = mgt->u.assoc_req.variable;;
-		event = IWEVASSOCREQIE;
+		iwm->req_ie_len =
+				le16_to_cpu(mgt_frame->len) - (ie - (u8 *)mgt);
+		kfree(iwm->req_ie);
+		iwm->req_ie = kmemdup(mgt->u.assoc_req.variable,
+				      iwm->req_ie_len, GFP_KERNEL);
 	} else if (ieee80211_is_reassoc_req(mgt->frame_control)) {
 		ie = mgt->u.reassoc_req.variable;;
-		event = IWEVASSOCREQIE;
+		iwm->req_ie_len =
+				le16_to_cpu(mgt_frame->len) - (ie - (u8 *)mgt);
+		kfree(iwm->req_ie);
+		iwm->req_ie = kmemdup(mgt->u.reassoc_req.variable,
+				      iwm->req_ie_len, GFP_KERNEL);
 	} else if (ieee80211_is_assoc_resp(mgt->frame_control)) {
 		ie = mgt->u.assoc_resp.variable;;
-		event = IWEVASSOCRESPIE;
+		iwm->resp_ie_len =
+				le16_to_cpu(mgt_frame->len) - (ie - (u8 *)mgt);
+		kfree(iwm->resp_ie);
+		iwm->resp_ie = kmemdup(mgt->u.assoc_resp.variable,
+				       iwm->resp_ie_len, GFP_KERNEL);
 	} else if (ieee80211_is_reassoc_resp(mgt->frame_control)) {
 		ie = mgt->u.reassoc_resp.variable;;
-		event = IWEVASSOCRESPIE;
+		iwm->resp_ie_len =
+				le16_to_cpu(mgt_frame->len) - (ie - (u8 *)mgt);
+		kfree(iwm->resp_ie);
+		iwm->resp_ie = kmemdup(mgt->u.reassoc_resp.variable,
+				       iwm->resp_ie_len, GFP_KERNEL);
 	} else {
 		IWM_ERR(iwm, "Unsupported management frame");
 		return 0;
 	}
 
-	wrqu.data.length = le16_to_cpu(mgt_frame->len) - (ie - (u8 *)mgt);
-
-	IWM_HEXDUMP(iwm, DBG, MLME, "EVT: ", ie, wrqu.data.length);
-	wireless_send_event(iwm_to_ndev(iwm), event, &wrqu, ie);
-
 	return 0;
 }
 
@@ -1360,7 +1376,7 @@ static void iwm_rx_process_packet(struct iwm_priv *iwm,
 
 		skb->dev = iwm_to_ndev(iwm);
 		skb->protocol = eth_type_trans(skb, ndev);
-		skb->ip_summed = CHECKSUM_UNNECESSARY;
+		skb->ip_summed = CHECKSUM_NONE;
 		memset(skb->cb, 0, sizeof(skb->cb));
 
 		ndev->stats.rx_packets++;

drivers/net/wireless/iwmc3200wifi/umac.h

@@ -615,6 +615,7 @@ struct iwm_umac_notif_alive {
 } __attribute__ ((packed));
 
 struct iwm_umac_notif_init_complete {
+	struct iwm_umac_wifi_in_hdr hdr;
 	__le16 status;
 	__le16 reserved;
 } __attribute__ ((packed));
@@ -643,6 +644,11 @@ struct iwm_fw_error_hdr {
 	__le32 umac_status;
 	__le32 lmac_status;
 	__le32 sdio_status;
+	__le32 dbm_sample_ctrl;
+	__le32 dbm_buf_base;
+	__le32 dbm_buf_end;
+	__le32 dbm_buf_write_ptr;
+	__le32 dbm_buf_cycle_cnt;
 } __attribute__ ((packed));
 
 struct iwm_umac_notif_error {

drivers/net/wireless/iwmc3200wifi/wext.c

@@ -21,31 +21,11 @@
  *
  */
 
-#include <linux/kernel.h>
-#include <linux/netdevice.h>
 #include <linux/wireless.h>
-#include <linux/if_arp.h>
-#include <linux/etherdevice.h>
 #include <net/cfg80211.h>
-#include <net/iw_handler.h>
 
 #include "iwm.h"
-#include "umac.h"
 #include "commands.h"
-#include "debug.h"
-
-static struct iw_statistics *iwm_get_wireless_stats(struct net_device *dev)
-{
-	struct iwm_priv *iwm = ndev_to_iwm(dev);
-	struct iw_statistics *wstats = &iwm->wstats;
-
-	if (!test_bit(IWM_STATUS_ASSOCIATED, &iwm->status)) {
-		memset(wstats, 0, sizeof(struct iw_statistics));
-		wstats->qual.updated = IW_QUAL_ALL_INVALID;
-	}
-
-	return wstats;
-}
 
 static int iwm_wext_siwfreq(struct net_device *dev,
 			    struct iw_request_info *info,
@@ -53,14 +33,12 @@ static int iwm_wext_siwfreq(struct net_device *dev,
 {
 	struct iwm_priv *iwm = ndev_to_iwm(dev);
 
-	if (freq->flags == IW_FREQ_AUTO)
-		return 0;
-
-	/* frequency/channel can only be set in IBSS mode */
-	if (iwm->conf.mode != UMAC_MODE_IBSS)
+	switch (iwm->conf.mode) {
+	case UMAC_MODE_IBSS:
+		return cfg80211_ibss_wext_siwfreq(dev, info, freq, extra);
+	default:
 		return -EOPNOTSUPP;
-
-	return cfg80211_ibss_wext_siwfreq(dev, info, freq, extra);
+	}
 }
 
 static int iwm_wext_giwfreq(struct net_device *dev,
@@ -69,69 +47,29 @@ static int iwm_wext_giwfreq(struct net_device *dev,
 {
 	struct iwm_priv *iwm = ndev_to_iwm(dev);
 
-	if (iwm->conf.mode == UMAC_MODE_IBSS)
+	switch (iwm->conf.mode) {
+	case UMAC_MODE_IBSS:
 		return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
-
-	freq->e = 0;
-	freq->m = iwm->channel;
-
-	return 0;
+	case UMAC_MODE_BSS:
+		return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
+	default:
+		return -EOPNOTSUPP;
+	}
 }
 
 static int iwm_wext_siwap(struct net_device *dev, struct iw_request_info *info,
 			  struct sockaddr *ap_addr, char *extra)
 {
 	struct iwm_priv *iwm = ndev_to_iwm(dev);
-	int ret;
-
-	IWM_DBG_WEXT(iwm, DBG, "Set BSSID: %pM\n", ap_addr->sa_data);
 
-	if (iwm->conf.mode == UMAC_MODE_IBSS)
+	switch (iwm->conf.mode) {
+	case UMAC_MODE_IBSS:
 		return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
-
-	if (!test_bit(IWM_STATUS_READY, &iwm->status))
-		return -EIO;
-
-	if (is_zero_ether_addr(ap_addr->sa_data) ||
-	    is_broadcast_ether_addr(ap_addr->sa_data)) {
-		IWM_DBG_WEXT(iwm, DBG, "clear mandatory bssid %pM\n",
-			     iwm->umac_profile->bssid[0]);
-		memset(&iwm->umac_profile->bssid[0], 0, ETH_ALEN);
-		iwm->umac_profile->bss_num = 0;
-	} else {
-		IWM_DBG_WEXT(iwm, DBG, "add mandatory bssid %pM\n",
-			     ap_addr->sa_data);
-		memcpy(&iwm->umac_profile->bssid[0], ap_addr->sa_data,
-		       ETH_ALEN);
-		iwm->umac_profile->bss_num = 1;
-	}
-
-	if (iwm->umac_profile_active) {
-		int i;
-
-		if (!memcmp(&iwm->umac_profile->bssid[0], iwm->bssid, ETH_ALEN))
-			return 0;
-
-		/*
-		 * If we're clearing the BSSID, and we're associated,
-		 * we have to clear the keys as they're no longer valid.
-		 */
-		if (is_zero_ether_addr(ap_addr->sa_data)) {
-			for (i = 0; i < IWM_NUM_KEYS; i++)
-				iwm->keys[i].key_len = 0;
-		}
-
-		ret = iwm_invalidate_mlme_profile(iwm);
-		if (ret < 0) {
-			IWM_ERR(iwm, "Couldn't invalidate profile\n");
-			return ret;
-		}
+	case UMAC_MODE_BSS:
+		return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
+	default:
+		return -EOPNOTSUPP;
 	}
-
-	if (iwm->umac_profile->ssid.ssid_len)
-		return iwm_send_mlme_profile(iwm);
-
-	return 0;
 }
 
 static int iwm_wext_giwap(struct net_device *dev, struct iw_request_info *info,
@@ -143,17 +81,10 @@ static int iwm_wext_giwap(struct net_device *dev, struct iw_request_info *info,
 	case UMAC_MODE_IBSS:
 		return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
 	case UMAC_MODE_BSS:
-		if (test_bit(IWM_STATUS_ASSOCIATED, &iwm->status)) {
-			ap_addr->sa_family = ARPHRD_ETHER;
-			memcpy(&ap_addr->sa_data, iwm->bssid, ETH_ALEN);
-		} else
-			memset(&ap_addr->sa_data, 0, ETH_ALEN);
-		break;
+		return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
 	default:
 		return -EOPNOTSUPP;
 	}
-
-	return 0;
 }
 
 static int iwm_wext_siwessid(struct net_device *dev,
@@ -161,36 +92,15 @@ static int iwm_wext_siwessid(struct net_device *dev,
 			     struct iw_point *data, char *ssid)
 {
 	struct iwm_priv *iwm = ndev_to_iwm(dev);
-	size_t len = data->length;
-	int ret;
-
-	IWM_DBG_WEXT(iwm, DBG, "Set ESSID: >%s<\n", ssid);
 
-	if (iwm->conf.mode == UMAC_MODE_IBSS)
+	switch (iwm->conf.mode) {
+	case UMAC_MODE_IBSS:
 		return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
-
-	if (!test_bit(IWM_STATUS_READY, &iwm->status))
-		return -EIO;
-
-	if (len > 0 && ssid[len - 1] == '\0')
-		len--;
-
-	if (iwm->umac_profile_active) {
-		if (iwm->umac_profile->ssid.ssid_len == len &&
-		    !memcmp(iwm->umac_profile->ssid.ssid, ssid, len))
-			return 0;
-
-		ret = iwm_invalidate_mlme_profile(iwm);
-		if (ret < 0) {
-			IWM_ERR(iwm, "Couldn't invalidate profile\n");
-			return ret;
-		}
+	case UMAC_MODE_BSS:
+		return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
+	default:
+		return -EOPNOTSUPP;
 	}
-
-	iwm->umac_profile->ssid.ssid_len = len;
-	memcpy(iwm->umac_profile->ssid.ssid, ssid, len);
-
-	return iwm_send_mlme_profile(iwm);
 }
 
 static int iwm_wext_giwessid(struct net_device *dev,
@@ -199,174 +109,14 @@ static int iwm_wext_giwessid(struct net_device *dev,
 {
 	struct iwm_priv *iwm = ndev_to_iwm(dev);
 
-	if (iwm->conf.mode == UMAC_MODE_IBSS)
+	switch (iwm->conf.mode) {
+	case UMAC_MODE_IBSS:
 		return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
-
-	if (!test_bit(IWM_STATUS_READY, &iwm->status))
-		return -EIO;
-
-	data->length = iwm->umac_profile->ssid.ssid_len;
-	if (data->length) {
-		memcpy(ssid, iwm->umac_profile->ssid.ssid, data->length);
-		data->flags = 1;
-	} else
-		data->flags = 0;
-
-	return 0;
-}
-
-static int iwm_wext_giwrate(struct net_device *dev,
-			    struct iw_request_info *info,
-			    struct iw_param *rate, char *extra)
-{
-	struct iwm_priv *iwm = ndev_to_iwm(dev);
-
-	rate->value = iwm->rate * 1000000;
-
-	return 0;
-}
-
-static int iwm_set_wpa_version(struct iwm_priv *iwm, u8 wpa_version)
-{
-	if (wpa_version & IW_AUTH_WPA_VERSION_WPA2)
-		iwm->umac_profile->sec.flags = UMAC_SEC_FLG_RSNA_ON_MSK;
-	else if (wpa_version & IW_AUTH_WPA_VERSION_WPA)
-		iwm->umac_profile->sec.flags = UMAC_SEC_FLG_WPA_ON_MSK;
-	else
-		iwm->umac_profile->sec.flags = UMAC_SEC_FLG_LEGACY_PROFILE;
-
-	return 0;
-}
-
-static int iwm_set_key_mgt(struct iwm_priv *iwm, u8 key_mgt)
-{
-	u8 *auth_type = &iwm->umac_profile->sec.auth_type;
-
-	IWM_DBG_WEXT(iwm, DBG, "key_mgt: 0x%x\n", key_mgt);
-
-	if (key_mgt == IW_AUTH_KEY_MGMT_802_1X)
-		*auth_type = UMAC_AUTH_TYPE_8021X;
-	else if (key_mgt == IW_AUTH_KEY_MGMT_PSK) {
-		if (iwm->umac_profile->sec.flags &
-		    (UMAC_SEC_FLG_WPA_ON_MSK | UMAC_SEC_FLG_RSNA_ON_MSK))
-			*auth_type = UMAC_AUTH_TYPE_RSNA_PSK;
-		else
-			*auth_type = UMAC_AUTH_TYPE_LEGACY_PSK;
-	} else {
-		IWM_ERR(iwm, "Invalid key mgt: 0x%x\n", key_mgt);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int iwm_set_cipher(struct iwm_priv *iwm, u8 cipher, u8 ucast)
-{
-	u8 *profile_cipher = ucast ? &iwm->umac_profile->sec.ucast_cipher :
-		&iwm->umac_profile->sec.mcast_cipher;
-
-	switch (cipher) {
-	case IW_AUTH_CIPHER_NONE:
-		*profile_cipher = UMAC_CIPHER_TYPE_NONE;
-		break;
-	case IW_AUTH_CIPHER_WEP40:
-		*profile_cipher = UMAC_CIPHER_TYPE_WEP_40;
-		break;
-	case IW_AUTH_CIPHER_TKIP:
-		*profile_cipher = UMAC_CIPHER_TYPE_TKIP;
-		break;
-	case IW_AUTH_CIPHER_CCMP:
-		*profile_cipher = UMAC_CIPHER_TYPE_CCMP;
-		break;
-	case IW_AUTH_CIPHER_WEP104:
-		*profile_cipher = UMAC_CIPHER_TYPE_WEP_104;
-		break;
-	default:
-		IWM_ERR(iwm, "Unsupported cipher: 0x%x\n", cipher);
-		return -ENOTSUPP;
-	}
-
-	return 0;
-}
-
-static int iwm_set_auth_alg(struct iwm_priv *iwm, u8 auth_alg)
-{
-	u8 *auth_type = &iwm->umac_profile->sec.auth_type;
-
-	IWM_DBG_WEXT(iwm, DBG, "auth_alg: 0x%x\n", auth_alg);
-
-	switch (auth_alg) {
-	case IW_AUTH_ALG_OPEN_SYSTEM:
-		*auth_type = UMAC_AUTH_TYPE_OPEN;
-		break;
-	case IW_AUTH_ALG_SHARED_KEY:
-		if (iwm->umac_profile->sec.flags &
-		    (UMAC_SEC_FLG_WPA_ON_MSK | UMAC_SEC_FLG_RSNA_ON_MSK)) {
-			if (*auth_type == UMAC_AUTH_TYPE_8021X)
-				return -EINVAL;
-			*auth_type = UMAC_AUTH_TYPE_RSNA_PSK;
-		} else {
-			IWM_DBG_WEXT(iwm, DBG, "WEP shared key\n");
-			*auth_type = UMAC_AUTH_TYPE_LEGACY_PSK;
-		}
-		break;
-	case IW_AUTH_ALG_LEAP:
-	default:
-		IWM_ERR(iwm, "Unsupported auth alg: 0x%x\n", auth_alg);
-		return -ENOTSUPP;
-	}
-
-	return 0;
-}
-
-static int iwm_wext_siwauth(struct net_device *dev,
-			    struct iw_request_info *info,
-			    struct iw_param *data, char *extra)
-{
-	struct iwm_priv *iwm = ndev_to_iwm(dev);
-	int ret;
-
-	if ((data->flags) &
-	    (IW_AUTH_WPA_VERSION | IW_AUTH_KEY_MGMT |
-	     IW_AUTH_WPA_ENABLED | IW_AUTH_80211_AUTH_ALG)) {
-		/* We need to invalidate the current profile */
-		if (iwm->umac_profile_active) {
-			ret = iwm_invalidate_mlme_profile(iwm);
-			if (ret < 0) {
-				IWM_ERR(iwm, "Couldn't invalidate profile\n");
-				return ret;
-			}
-		}
-	}
-
-	switch (data->flags & IW_AUTH_INDEX) {
-	case IW_AUTH_WPA_VERSION:
-		return iwm_set_wpa_version(iwm, data->value);
-		break;
-	case IW_AUTH_CIPHER_PAIRWISE:
-		return iwm_set_cipher(iwm, data->value, 1);
-		break;
-	case IW_AUTH_CIPHER_GROUP:
-		return iwm_set_cipher(iwm, data->value, 0);
-		break;
-	case IW_AUTH_KEY_MGMT:
-		return iwm_set_key_mgt(iwm, data->value);
-		break;
-	case IW_AUTH_80211_AUTH_ALG:
-		return iwm_set_auth_alg(iwm, data->value);
-		break;
+	case UMAC_MODE_BSS:
+		return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
 	default:
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 	}
-
-	return 0;
-}
-
-static int iwm_wext_giwauth(struct net_device *dev,
-			    struct iw_request_info *info,
-			    struct iw_param *data, char *extra)
-{
-	return 0;
 }
 
 static const iw_handler iwm_handlers[] =
@@ -404,7 +154,7 @@ static const iw_handler iwm_handlers[] =
 	(iw_handler) NULL,				/* -- hole -- */
 	(iw_handler) NULL,				/* -- hole -- */
 	(iw_handler) NULL,				/* SIOCSIWRATE */
-	(iw_handler) iwm_wext_giwrate,			/* SIOCGIWRATE */
+	(iw_handler) cfg80211_wext_giwrate,		/* SIOCGIWRATE */
 	(iw_handler) cfg80211_wext_siwrts,		/* SIOCSIWRTS */
 	(iw_handler) cfg80211_wext_giwrts,		/* SIOCGIWRTS */
 	(iw_handler) cfg80211_wext_siwfrag,	        /* SIOCSIWFRAG */
@@ -419,10 +169,10 @@ static const iw_handler iwm_handlers[] =
 	(iw_handler) cfg80211_wext_giwpower,		/* SIOCGIWPOWER */
 	(iw_handler) NULL,				/* -- hole -- */
 	(iw_handler) NULL,				/* -- hole -- */
-	(iw_handler) NULL,                              /* SIOCSIWGENIE */
+	(iw_handler) cfg80211_wext_siwgenie,            /* SIOCSIWGENIE */
 	(iw_handler) NULL,				/* SIOCGIWGENIE */
-	(iw_handler) iwm_wext_siwauth,			/* SIOCSIWAUTH */
-	(iw_handler) iwm_wext_giwauth,			/* SIOCGIWAUTH */
+	(iw_handler) cfg80211_wext_siwauth,		/* SIOCSIWAUTH */
+	(iw_handler) cfg80211_wext_giwauth,		/* SIOCGIWAUTH */
 	(iw_handler) cfg80211_wext_siwencodeext,	/* SIOCSIWENCODEEXT */
 	(iw_handler) NULL,				/* SIOCGIWENCODEEXT */
 	(iw_handler) NULL,				/* SIOCSIWPMKSA */
@@ -432,6 +182,6 @@ static const iw_handler iwm_handlers[] =
 const struct iw_handler_def iwm_iw_handler_def = {
 	.num_standard	= ARRAY_SIZE(iwm_handlers),
 	.standard	= (iw_handler *) iwm_handlers,
-	.get_wireless_stats = iwm_get_wireless_stats,
+	.get_wireless_stats = cfg80211_wireless_stats,
 };
 

drivers/net/wireless/libertas/assoc.c

@@ -129,7 +129,6 @@ static int lbs_set_authentication(struct lbs_private *priv, u8 bssid[6], u8 auth
 {
 	struct cmd_ds_802_11_authenticate cmd;
 	int ret = -1;
-	DECLARE_MAC_BUF(mac);
 
 	lbs_deb_enter(LBS_DEB_JOIN);
 
@@ -138,8 +137,7 @@ static int lbs_set_authentication(struct lbs_private *priv, u8 bssid[6], u8 auth
 
 	cmd.authtype = iw_auth_to_ieee_auth(auth);
 
-	lbs_deb_join("AUTH_CMD: BSSID %s, auth 0x%x\n",
-		print_mac(mac, bssid), cmd.authtype);
+	lbs_deb_join("AUTH_CMD: BSSID %pM, auth 0x%x\n", bssid, cmd.authtype);
 
 	ret = lbs_cmd_with_response(priv, CMD_802_11_AUTHENTICATE, &cmd);
 
@@ -342,8 +340,6 @@ static int lbs_associate(struct lbs_private *priv,
 
 	/* Firmware v9+ indicate authentication suites as a TLV */
 	if (priv->fwrelease >= 0x09000000) {
-		DECLARE_MAC_BUF(mac);
-
 		auth = (struct mrvl_ie_auth_type *) pos;
 		auth->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
 		auth->header.len = cpu_to_le16(2);
@@ -351,8 +347,8 @@ static int lbs_associate(struct lbs_private *priv,
 		auth->auth = cpu_to_le16(tmpauth);
 		pos += sizeof(auth->header) + 2;
 
-		lbs_deb_join("AUTH_CMD: BSSID %s, auth 0x%x\n",
-			print_mac(mac, bss->bssid), priv->secinfo.auth_mode);
+		lbs_deb_join("AUTH_CMD: BSSID %pM, auth 0x%x\n",
+			bss->bssid, priv->secinfo.auth_mode);
 	}
 
 	/* WPA/WPA2 IEs */

drivers/net/wireless/mac80211_hwsim.c

@@ -406,7 +406,8 @@ static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
 	rx_status.freq = data->channel->center_freq;
 	rx_status.band = data->channel->band;
 	rx_status.rate_idx = info->control.rates[0].idx;
-	/* TODO: simulate signal strength (and optional packet drop) */
+	/* TODO: simulate real signal strength (and optional packet loss) */
+	rx_status.signal = -50;
 
 	if (data->ps != PS_DISABLED)
 		hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
@@ -836,7 +837,6 @@ static void hwsim_send_ps_poll(void *dat, u8 *mac, struct ieee80211_vif *vif)
 {
 	struct mac80211_hwsim_data *data = dat;
 	struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
-	DECLARE_MAC_BUF(buf);
 	struct sk_buff *skb;
 	struct ieee80211_pspoll *pspoll;
 
@@ -866,7 +866,6 @@ static void hwsim_send_nullfunc(struct mac80211_hwsim_data *data, u8 *mac,
 				struct ieee80211_vif *vif, int ps)
 {
 	struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
-	DECLARE_MAC_BUF(buf);
 	struct sk_buff *skb;
 	struct ieee80211_hdr *hdr;
 
@@ -1024,7 +1023,8 @@ static int __init init_mac80211_hwsim(void)
 			BIT(NL80211_IFTYPE_AP) |
 			BIT(NL80211_IFTYPE_MESH_POINT);
 
-		hw->flags = IEEE80211_HW_MFP_CAPABLE;
+		hw->flags = IEEE80211_HW_MFP_CAPABLE |
+			    IEEE80211_HW_SIGNAL_DBM;
 
 		/* ask mac80211 to reserve space for magic */
 		hw->vif_data_size = sizeof(struct hwsim_vif_priv);

drivers/net/wireless/mwl8k.c

@@ -2271,7 +2271,6 @@ static int mwl8k_cmd_update_sta_db(struct ieee80211_hw *hw,
 	struct mwl8k_cmd_update_sta_db *cmd;
 	struct peer_capability_info *peer_info;
 	struct ieee80211_rate *bitrates = mv_vif->legacy_rates;
-	DECLARE_MAC_BUF(mac);
 	int rc;
 	__u8 count, *rates;
 
@@ -3480,7 +3479,6 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 {
 	struct ieee80211_hw *hw;
 	struct mwl8k_priv *priv;
-	DECLARE_MAC_BUF(mac);
 	int rc;
 	int i;
 	u8 *fw;
@@ -3669,8 +3667,8 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
 		MWL8K_DESC);
 	printk(KERN_INFO "%s: Driver Ver:%s  Firmware Ver:%u.%u.%u.%u\n",
 		priv->name, MWL8K_VERSION, fw[3], fw[2], fw[1], fw[0]);
-	printk(KERN_INFO "%s: MAC Address: %s\n", priv->name,
-	       print_mac(mac, hw->wiphy->perm_addr));
+	printk(KERN_INFO "%s: MAC Address: %pM\n", priv->name,
+		hw->wiphy->perm_addr);
 
 	return 0;
 

drivers/net/wireless/p54/eeprom.c

@@ -19,6 +19,7 @@
 #include <linux/init.h>
 #include <linux/firmware.h>
 #include <linux/etherdevice.h>
+#include <linux/sort.h>
 
 #include <net/mac80211.h>
 
@@ -41,30 +42,6 @@ static struct ieee80211_rate p54_bgrates[] = {
 	{ .bitrate = 540, .hw_value = 11, },
 };
 
-static struct ieee80211_channel p54_bgchannels[] = {
-	{ .center_freq = 2412, .hw_value = 1, },
-	{ .center_freq = 2417, .hw_value = 2, },
-	{ .center_freq = 2422, .hw_value = 3, },
-	{ .center_freq = 2427, .hw_value = 4, },
-	{ .center_freq = 2432, .hw_value = 5, },
-	{ .center_freq = 2437, .hw_value = 6, },
-	{ .center_freq = 2442, .hw_value = 7, },
-	{ .center_freq = 2447, .hw_value = 8, },
-	{ .center_freq = 2452, .hw_value = 9, },
-	{ .center_freq = 2457, .hw_value = 10, },
-	{ .center_freq = 2462, .hw_value = 11, },
-	{ .center_freq = 2467, .hw_value = 12, },
-	{ .center_freq = 2472, .hw_value = 13, },
-	{ .center_freq = 2484, .hw_value = 14, },
-};
-
-static struct ieee80211_supported_band band_2GHz = {
-	.channels = p54_bgchannels,
-	.n_channels = ARRAY_SIZE(p54_bgchannels),
-	.bitrates = p54_bgrates,
-	.n_bitrates = ARRAY_SIZE(p54_bgrates),
-};
-
 static struct ieee80211_rate p54_arates[] = {
 	{ .bitrate = 60, .hw_value = 4, },
 	{ .bitrate = 90, .hw_value = 5, },
@@ -76,51 +53,257 @@ static struct ieee80211_rate p54_arates[] = {
 	{ .bitrate = 540, .hw_value = 11, },
 };
 
-static struct ieee80211_channel p54_achannels[] = {
-	{ .center_freq = 4920 },
-	{ .center_freq = 4940 },
-	{ .center_freq = 4960 },
-	{ .center_freq = 4980 },
-	{ .center_freq = 5040 },
-	{ .center_freq = 5060 },
-	{ .center_freq = 5080 },
-	{ .center_freq = 5170 },
-	{ .center_freq = 5180 },
-	{ .center_freq = 5190 },
-	{ .center_freq = 5200 },
-	{ .center_freq = 5210 },
-	{ .center_freq = 5220 },
-	{ .center_freq = 5230 },
-	{ .center_freq = 5240 },
-	{ .center_freq = 5260 },
-	{ .center_freq = 5280 },
-	{ .center_freq = 5300 },
-	{ .center_freq = 5320 },
-	{ .center_freq = 5500 },
-	{ .center_freq = 5520 },
-	{ .center_freq = 5540 },
-	{ .center_freq = 5560 },
-	{ .center_freq = 5580 },
-	{ .center_freq = 5600 },
-	{ .center_freq = 5620 },
-	{ .center_freq = 5640 },
-	{ .center_freq = 5660 },
-	{ .center_freq = 5680 },
-	{ .center_freq = 5700 },
-	{ .center_freq = 5745 },
-	{ .center_freq = 5765 },
-	{ .center_freq = 5785 },
-	{ .center_freq = 5805 },
-	{ .center_freq = 5825 },
+#define CHAN_HAS_CAL		BIT(0)
+#define CHAN_HAS_LIMIT		BIT(1)
+#define CHAN_HAS_CURVE		BIT(2)
+#define CHAN_HAS_ALL		(CHAN_HAS_CAL | CHAN_HAS_LIMIT | CHAN_HAS_CURVE)
+
+struct p54_channel_entry {
+	u16 freq;
+	u16 data;
+	int index;
+	enum ieee80211_band band;
 };
 
-static struct ieee80211_supported_band band_5GHz = {
-	.channels = p54_achannels,
-	.n_channels = ARRAY_SIZE(p54_achannels),
-	.bitrates = p54_arates,
-	.n_bitrates = ARRAY_SIZE(p54_arates),
+struct p54_channel_list {
+	struct p54_channel_entry *channels;
+	size_t entries;
+	size_t max_entries;
+	size_t band_channel_num[IEEE80211_NUM_BANDS];
 };
 
+static int p54_get_band_from_freq(u16 freq)
+{
+	/* FIXME: sync these values with the 802.11 spec */
+
+	if ((freq >= 2412) && (freq <= 2484))
+		return IEEE80211_BAND_2GHZ;
+
+	if ((freq >= 4920) && (freq <= 5825))
+		return IEEE80211_BAND_5GHZ;
+
+	return -1;
+}
+
+static int p54_compare_channels(const void *_a,
+				const void *_b)
+{
+	const struct p54_channel_entry *a = _a;
+	const struct p54_channel_entry *b = _b;
+
+	return a->index - b->index;
+}
+
+static int p54_fill_band_bitrates(struct ieee80211_hw *dev,
+				  struct ieee80211_supported_band *band_entry,
+				  enum ieee80211_band band)
+{
+	/* TODO: generate rate array dynamically */
+
+	switch (band) {
+	case IEEE80211_BAND_2GHZ:
+		band_entry->bitrates = p54_bgrates;
+		band_entry->n_bitrates = ARRAY_SIZE(p54_bgrates);
+		break;
+	case IEEE80211_BAND_5GHZ:
+		band_entry->bitrates = p54_arates;
+		band_entry->n_bitrates = ARRAY_SIZE(p54_arates);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int p54_generate_band(struct ieee80211_hw *dev,
+			     struct p54_channel_list *list,
+			     enum ieee80211_band band)
+{
+	struct p54_common *priv = dev->priv;
+	struct ieee80211_supported_band *tmp, *old;
+	unsigned int i, j;
+	int ret = -ENOMEM;
+
+	if ((!list->entries) || (!list->band_channel_num[band]))
+		return 0;
+
+	tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
+	if (!tmp)
+		goto err_out;
+
+	tmp->channels = kzalloc(sizeof(struct ieee80211_channel) *
+				list->band_channel_num[band], GFP_KERNEL);
+	if (!tmp->channels)
+		goto err_out;
+
+	ret = p54_fill_band_bitrates(dev, tmp, band);
+	if (ret)
+		goto err_out;
+
+	for (i = 0, j = 0; (j < list->band_channel_num[band]) &&
+			   (i < list->entries); i++) {
+
+		if (list->channels[i].band != band)
+			continue;
+
+		if (list->channels[i].data != CHAN_HAS_ALL) {
+			printk(KERN_ERR "%s:%s%s%s is/are missing for "
+					"channel:%d [%d MHz].\n",
+			       wiphy_name(dev->wiphy),
+			       (list->channels[i].data & CHAN_HAS_CAL ? "" :
+				" [iqauto calibration data]"),
+			       (list->channels[i].data & CHAN_HAS_LIMIT ? "" :
+				" [output power limits]"),
+			       (list->channels[i].data & CHAN_HAS_CURVE ? "" :
+				" [curve data]"),
+			       list->channels[i].index, list->channels[i].freq);
+		}
+
+		tmp->channels[j].band = list->channels[i].band;
+		tmp->channels[j].center_freq = list->channels[i].freq;
+		j++;
+	}
+
+	tmp->n_channels = list->band_channel_num[band];
+	old = priv->band_table[band];
+	priv->band_table[band] = tmp;
+	if (old) {
+		kfree(old->channels);
+		kfree(old);
+	}
+
+	return 0;
+
+err_out:
+	if (tmp) {
+		kfree(tmp->channels);
+		kfree(tmp);
+	}
+
+	return ret;
+}
+
+static void p54_update_channel_param(struct p54_channel_list *list,
+				     u16 freq, u16 data)
+{
+	int band, i;
+
+	/*
+	 * usually all lists in the eeprom are mostly sorted.
+	 * so it's very likely that the entry we are looking for
+	 * is right at the end of the list
+	 */
+	for (i = list->entries; i >= 0; i--) {
+		if (freq == list->channels[i].freq) {
+			list->channels[i].data |= data;
+			break;
+		}
+	}
+
+	if ((i < 0) && (list->entries < list->max_entries)) {
+		/* entry does not exist yet. Initialize a new one. */
+		band = p54_get_band_from_freq(freq);
+
+		/*
+		 * filter out frequencies which don't belong into
+		 * any supported band.
+		 */
+		if (band < 0)
+			return ;
+
+		i = list->entries++;
+		list->band_channel_num[band]++;
+
+		list->channels[i].freq = freq;
+		list->channels[i].data = data;
+		list->channels[i].band = band;
+		list->channels[i].index = ieee80211_frequency_to_channel(freq);
+		/* TODO: parse output_limit and fill max_power */
+	}
+}
+
+static int p54_generate_channel_lists(struct ieee80211_hw *dev)
+{
+	struct p54_common *priv = dev->priv;
+	struct p54_channel_list *list;
+	unsigned int i, j, max_channel_num;
+	int ret = -ENOMEM;
+	u16 freq;
+
+	if ((priv->iq_autocal_len != priv->curve_data->entries) ||
+	    (priv->iq_autocal_len != priv->output_limit->entries))
+		printk(KERN_ERR "%s: EEPROM is damaged... you may not be able"
+				"to use all channels with this device.\n",
+				wiphy_name(dev->wiphy));
+
+	max_channel_num = max_t(unsigned int, priv->output_limit->entries,
+				priv->iq_autocal_len);
+	max_channel_num = max_t(unsigned int, max_channel_num,
+				priv->curve_data->entries);
+
+	list = kzalloc(sizeof(*list), GFP_KERNEL);
+	if (!list)
+		goto free;
+
+	list->max_entries = max_channel_num;
+	list->channels = kzalloc(sizeof(struct p54_channel_entry) *
+				 max_channel_num, GFP_KERNEL);
+	if (!list->channels)
+		goto free;
+
+	for (i = 0; i < max_channel_num; i++) {
+		if (i < priv->iq_autocal_len) {
+			freq = le16_to_cpu(priv->iq_autocal[i].freq);
+			p54_update_channel_param(list, freq, CHAN_HAS_CAL);
+		}
+
+		if (i < priv->output_limit->entries) {
+			freq = le16_to_cpup((__le16 *) (i *
+					    priv->output_limit->entry_size +
+					    priv->output_limit->offset +
+					    priv->output_limit->data));
+
+			p54_update_channel_param(list, freq, CHAN_HAS_LIMIT);
+		}
+
+		if (i < priv->curve_data->entries) {
+			freq = le16_to_cpup((__le16 *) (i *
+					    priv->curve_data->entry_size +
+					    priv->curve_data->offset +
+					    priv->curve_data->data));
+
+			p54_update_channel_param(list, freq, CHAN_HAS_CURVE);
+		}
+	}
+
+	/* sort the list by the channel index */
+	sort(list->channels, list->entries, sizeof(struct p54_channel_entry),
+	     p54_compare_channels, NULL);
+
+	for (i = 0, j = 0; i < IEEE80211_NUM_BANDS; i++) {
+		if (list->band_channel_num[i]) {
+			ret = p54_generate_band(dev, list, i);
+			if (ret)
+				goto free;
+
+			j++;
+		}
+	}
+	if (j == 0) {
+		/* no useable band available. */
+		ret = -EINVAL;
+	}
+
+free:
+	if (list) {
+		kfree(list->channels);
+		kfree(list);
+	}
+
+	return ret;
+}
+
 static int p54_convert_rev0(struct ieee80211_hw *dev,
 			    struct pda_pa_curve_data *curve_data)
 {
@@ -346,7 +529,7 @@ static struct p54_cal_database *p54_convert_db(struct pda_custom_wrapper *src,
 int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
 {
 	struct p54_common *priv = dev->priv;
-	struct eeprom_pda_wrap *wrap = NULL;
+	struct eeprom_pda_wrap *wrap;
 	struct pda_entry *entry;
 	unsigned int data_len, entry_len;
 	void *tmp;
@@ -487,13 +670,19 @@ int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
 		goto err;
 	}
 
+	err = p54_generate_channel_lists(dev);
+	if (err)
+		goto err;
+
 	priv->rxhw = synth & PDR_SYNTH_FRONTEND_MASK;
 	if (priv->rxhw == PDR_SYNTH_FRONTEND_XBOW)
 		p54_init_xbow_synth(priv);
 	if (!(synth & PDR_SYNTH_24_GHZ_DISABLED))
-		dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &band_2GHz;
+		dev->wiphy->bands[IEEE80211_BAND_2GHZ] =
+			priv->band_table[IEEE80211_BAND_2GHZ];
 	if (!(synth & PDR_SYNTH_5_GHZ_DISABLED))
-		dev->wiphy->bands[IEEE80211_BAND_5GHZ] = &band_5GHz;
+		dev->wiphy->bands[IEEE80211_BAND_5GHZ] =
+			priv->band_table[IEEE80211_BAND_5GHZ];
 	if ((synth & PDR_SYNTH_RX_DIV_MASK) == PDR_SYNTH_RX_DIV_SUPPORTED)
 		priv->rx_diversity_mask = 3;
 	if ((synth & PDR_SYNTH_TX_DIV_MASK) == PDR_SYNTH_TX_DIV_SUPPORTED)
@@ -533,7 +722,7 @@ int p54_read_eeprom(struct ieee80211_hw *dev)
 	struct p54_common *priv = dev->priv;
 	size_t eeprom_size = 0x2020, offset = 0, blocksize, maxblocksize;
 	int ret = -ENOMEM;
-	void *eeprom = NULL;
+	void *eeprom;
 
 	maxblocksize = EEPROM_READBACK_LEN;
 	if (priv->fw_var >= 0x509)

drivers/net/wireless/p54/fwio.c

@@ -585,7 +585,8 @@ int p54_set_ps(struct p54_common *priv)
 	unsigned int i;
 	u16 mode;
 
-	if (priv->hw->conf.flags & IEEE80211_CONF_PS)
+	if (priv->hw->conf.flags & IEEE80211_CONF_PS &&
+	    !priv->powersave_override)
 		mode = P54_PSM | P54_PSM_BEACON_TIMEOUT | P54_PSM_DTIM |
 		       P54_PSM_CHECKSUM | P54_PSM_MCBC;
 	else
@@ -607,8 +608,8 @@ int p54_set_ps(struct p54_common *priv)
 
 	psm->beacon_rssi_skip_max = 200;
 	psm->rssi_delta_threshold = 0;
-	psm->nr = 10;
-	psm->exclude[0] = 0;
+	psm->nr = 1;
+	psm->exclude[0] = WLAN_EID_TIM;
 
 	p54_tx(priv, skb);
 	return 0;
@@ -685,6 +686,8 @@ int p54_upload_key(struct p54_common *priv, u8 algo, int slot, u8 idx, u8 len,
 
 int p54_fetch_statistics(struct p54_common *priv)
 {
+	struct ieee80211_tx_info *txinfo;
+	struct p54_tx_info *p54info;
 	struct sk_buff *skb;
 
 	skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL,
@@ -693,6 +696,20 @@ int p54_fetch_statistics(struct p54_common *priv)
 	if (!skb)
 		return -ENOMEM;
 
+	/*
+	 * The statistic feedback causes some extra headaches here, if it
+	 * is not to crash/corrupt the firmware data structures.
+	 *
+	 * Unlike all other Control Get OIDs we can not use helpers like
+	 * skb_put to reserve the space for the data we're requesting.
+	 * Instead the extra frame length -which will hold the results later-
+	 * will only be told to the p54_assign_address, so that following
+	 * frames won't be placed into the  allegedly empty area.
+	 */
+	txinfo = IEEE80211_SKB_CB(skb);
+	p54info = (void *) txinfo->rate_driver_data;
+	p54info->extra_len = sizeof(struct p54_statistics);
+
 	p54_tx(priv, skb);
 	return 0;
 }

drivers/net/wireless/p54/lmac.h

@@ -98,6 +98,10 @@ struct p54_hdr {
 	(!((((struct p54_hdr *) ((struct sk_buff *) skb)->data)->	\
 	flags) & cpu_to_le16(P54_HDR_FLAG_CONTROL)))
 
+#define GET_HW_QUEUE(skb)						\
+	(((struct p54_tx_data *)((struct p54_hdr *)			\
+	skb->data)->data)->hw_queue)
+
 /*
  * shared interface ID definitions
  * The interface ID is a unique identification of a specific interface.
@@ -548,4 +552,7 @@ int p54_upload_key(struct p54_common *priv, u8 algo, int slot,
 int p54_download_eeprom(struct p54_common *priv, void *buf,
 			u16 offset, u16 len);
 
+/* utility */
+u8 *p54_find_ie(struct sk_buff *skb, u8 ie);
+
 #endif /* LMAC_H */

drivers/net/wireless/p54/main.c

@@ -65,51 +65,64 @@ static int p54_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta,
 	return p54_update_beacon_tim(priv, sta->aid, set);
 }
 
-static int p54_beacon_format_ie_tim(struct sk_buff *skb)
+u8 *p54_find_ie(struct sk_buff *skb, u8 ie)
 {
-	/*
-	 * the good excuse for this mess is ... the firmware.
-	 * The dummy TIM MUST be at the end of the beacon frame,
-	 * because it'll be overwritten!
-	 */
-
 	struct ieee80211_mgmt *mgmt = (void *)skb->data;
 	u8 *pos, *end;
 
 	if (skb->len <= sizeof(mgmt))
-		return -EINVAL;
+		return NULL;
 
 	pos = (u8 *)mgmt->u.beacon.variable;
 	end = skb->data + skb->len;
 	while (pos < end) {
 		if (pos + 2 + pos[1] > end)
-			return -EINVAL;
+			return NULL;
+
+		if (pos[0] == ie)
+			return pos;
+
+		pos += 2 + pos[1];
+	}
+	return NULL;
+}
+
+static int p54_beacon_format_ie_tim(struct sk_buff *skb)
+{
+	/*
+	 * the good excuse for this mess is ... the firmware.
+	 * The dummy TIM MUST be at the end of the beacon frame,
+	 * because it'll be overwritten!
+	 */
+	u8 *tim;
+	u8 dtim_len;
+	u8 dtim_period;
+	u8 *next;
 
-		if (pos[0] == WLAN_EID_TIM) {
-			u8 dtim_len = pos[1];
-			u8 dtim_period = pos[3];
-			u8 *next = pos + 2 + dtim_len;
+	tim = p54_find_ie(skb, WLAN_EID_TIM);
+	if (!tim)
+		return 0;
 
-			if (dtim_len < 3)
-				return -EINVAL;
+	dtim_len = tim[1];
+	dtim_period = tim[3];
+	next = tim + 2 + dtim_len;
 
-			memmove(pos, next, end - next);
+	if (dtim_len < 3)
+		return -EINVAL;
 
-			if (dtim_len > 3)
-				skb_trim(skb, skb->len - (dtim_len - 3));
+	memmove(tim, next, skb_tail_pointer(skb) - next);
+	tim = skb_tail_pointer(skb) - (dtim_len + 2);
 
-			pos = end - (dtim_len + 2);
+	/* add the dummy at the end */
+	tim[0] = WLAN_EID_TIM;
+	tim[1] = 3;
+	tim[2] = 0;
+	tim[3] = dtim_period;
+	tim[4] = 0;
+
+	if (dtim_len > 3)
+		skb_trim(skb, skb->len - (dtim_len - 3));
 
-			/* add the dummy at the end */
-			pos[0] = WLAN_EID_TIM;
-			pos[1] = 3;
-			pos[2] = 0;
-			pos[3] = dtim_period;
-			pos[4] = 0;
-			return 0;
-		}
-		pos += 2 + pos[1];
-	}
 	return 0;
 }
 
@@ -117,7 +130,6 @@ static int p54_beacon_update(struct p54_common *priv,
 			struct ieee80211_vif *vif)
 {
 	struct sk_buff *beacon;
-	__le32 old_beacon_req_id;
 	int ret;
 
 	beacon = ieee80211_beacon_get(priv->hw, vif);
@@ -127,15 +139,16 @@ static int p54_beacon_update(struct p54_common *priv,
 	if (ret)
 		return ret;
 
-	old_beacon_req_id = priv->beacon_req_id;
-	priv->beacon_req_id = GET_REQ_ID(beacon);
-
-	ret = p54_tx_80211(priv->hw, beacon);
-	if (ret) {
-		priv->beacon_req_id = old_beacon_req_id;
-		return -ENOSPC;
-	}
-
+	/*
+	 * During operation, the firmware takes care of beaconing.
+	 * The driver only needs to upload a new beacon template, once
+	 * the template was changed by the stack or userspace.
+	 *
+	 * LMAC API 3.2.2 also specifies that the driver does not need
+	 * to cancel the old beacon template by hand, instead the firmware
+	 * will release the previous one through the feedback mechanism.
+	 */
+	WARN_ON(p54_tx_80211(priv->hw, beacon));
 	priv->tsf_high32 = 0;
 	priv->tsf_low32 = 0;
 
@@ -240,9 +253,14 @@ static void p54_remove_interface(struct ieee80211_hw *dev,
 
 	mutex_lock(&priv->conf_mutex);
 	priv->vif = NULL;
-	if (priv->beacon_req_id) {
+
+	/*
+	 * LMAC API 3.2.2 states that any active beacon template must be
+	 * canceled by the driver before attempting a mode transition.
+	 */
+	if (le32_to_cpu(priv->beacon_req_id) != 0) {
 		p54_tx_cancel(priv, priv->beacon_req_id);
-		priv->beacon_req_id = cpu_to_le32(0);
+		wait_for_completion_interruptible_timeout(&priv->beacon_comp, HZ);
 	}
 	priv->mode = NL80211_IFTYPE_MONITOR;
 	memset(priv->mac_addr, 0, ETH_ALEN);
@@ -384,6 +402,9 @@ static void p54_bss_info_changed(struct ieee80211_hw *dev,
 			priv->wakeup_timer = info->beacon_int *
 					     info->dtim_period * 5;
 			p54_setup_mac(priv);
+		} else {
+			priv->wakeup_timer = 500;
+			priv->aid = 0;
 		}
 	}
 
@@ -517,6 +538,9 @@ struct ieee80211_hw *p54_init_common(size_t priv_data_len)
 	skb_queue_head_init(&priv->tx_pending);
 	dev->flags = IEEE80211_HW_RX_INCLUDES_FCS |
 		     IEEE80211_HW_SIGNAL_DBM |
+		     IEEE80211_HW_SUPPORTS_PS |
+		     IEEE80211_HW_PS_NULLFUNC_STACK |
+		     IEEE80211_HW_BEACON_FILTER |
 		     IEEE80211_HW_NOISE_DBM;
 
 	dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
@@ -525,6 +549,7 @@ struct ieee80211_hw *p54_init_common(size_t priv_data_len)
 				      BIT(NL80211_IFTYPE_MESH_POINT);
 
 	dev->channel_change_time = 1000;	/* TODO: find actual value */
+	priv->beacon_req_id = cpu_to_le32(0);
 	priv->tx_stats[P54_QUEUE_BEACON].limit = 1;
 	priv->tx_stats[P54_QUEUE_FWSCAN].limit = 1;
 	priv->tx_stats[P54_QUEUE_MGMT].limit = 3;
@@ -548,6 +573,7 @@ struct ieee80211_hw *p54_init_common(size_t priv_data_len)
 	mutex_init(&priv->conf_mutex);
 	mutex_init(&priv->eeprom_mutex);
 	init_completion(&priv->eeprom_comp);
+	init_completion(&priv->beacon_comp);
 	INIT_DELAYED_WORK(&priv->work, p54_work);
 
 	return dev;
@@ -579,6 +605,10 @@ EXPORT_SYMBOL_GPL(p54_register_common);
 void p54_free_common(struct ieee80211_hw *dev)
 {
 	struct p54_common *priv = dev->priv;
+	unsigned int i;
+
+	for (i = 0; i < IEEE80211_NUM_BANDS; i++)
+		kfree(priv->band_table[i]);
 
 	kfree(priv->iq_autocal);
 	kfree(priv->output_limit);

drivers/net/wireless/p54/p54.h

@@ -198,6 +198,7 @@ struct p54_common {
 	struct p54_cal_database *curve_data;
 	struct p54_cal_database *output_limit;
 	struct p54_rssi_linear_approximation rssical_db[IEEE80211_NUM_BANDS];
+	struct ieee80211_supported_band *band_table[IEEE80211_NUM_BANDS];
 
 	/* BBP/MAC state */
 	u8 mac_addr[ETH_ALEN];
@@ -208,7 +209,9 @@ struct p54_common {
 	u32 tsf_low32, tsf_high32;
 	u32 basic_rate_mask;
 	u16 aid;
+	bool powersave_override;
 	__le32 beacon_req_id;
+	struct completion beacon_comp;
 
 	/* cryptographic engine information */
 	u8 privacy_caps;

drivers/net/wireless/p54/txrx.c

@@ -87,9 +87,6 @@ static int p54_assign_address(struct p54_common *priv, struct sk_buff *skb)
 	u32 target_addr = priv->rx_start;
 	u16 len = priv->headroom + skb->len + priv->tailroom + 3;
 
-	if (unlikely(WARN_ON(!skb || !priv)))
-		return -EINVAL;
-
 	info = IEEE80211_SKB_CB(skb);
 	range = (void *) info->rate_driver_data;
 	len = (range->extra_len + len) & ~0x3;
@@ -111,11 +108,6 @@ static int p54_assign_address(struct p54_common *priv, struct sk_buff *skb)
 		range = (void *) info->rate_driver_data;
 		hole_size = range->start_addr - last_addr;
 
-		if (!entry->next) {
-			spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
-			return -ENOSPC;
-		}
-
 		if (!target_skb && hole_size >= len) {
 			target_skb = entry->prev;
 			hole_size -= len;
@@ -142,9 +134,13 @@ static int p54_assign_address(struct p54_common *priv, struct sk_buff *skb)
 	range = (void *) info->rate_driver_data;
 	range->start_addr = target_addr;
 	range->end_addr = target_addr + len;
+	data->req_id = cpu_to_le32(target_addr + priv->headroom);
+	if (IS_DATA_FRAME(skb) &&
+	    unlikely(GET_HW_QUEUE(skb) == P54_QUEUE_BEACON))
+		priv->beacon_req_id = data->req_id;
+
 	__skb_queue_after(&priv->tx_queue, target_skb, skb);
 	spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
-	data->req_id = cpu_to_le32(target_addr + priv->headroom);
 	return 0;
 }
 
@@ -153,9 +149,6 @@ static void p54_tx_pending(struct p54_common *priv)
 	struct sk_buff *skb;
 	int ret;
 
-	if (unlikely(WARN_ON(!priv)))
-		return ;
-
 	skb = skb_dequeue(&priv->tx_pending);
 	if (unlikely(!skb))
 		return ;
@@ -219,14 +212,20 @@ static int p54_tx_qos_accounting_alloc(struct p54_common *priv,
 static void p54_tx_qos_accounting_free(struct p54_common *priv,
 				       struct sk_buff *skb)
 {
-	if (skb && IS_DATA_FRAME(skb)) {
-		struct p54_hdr *hdr = (void *) skb->data;
-		struct p54_tx_data *data = (void *) hdr->data;
+	if (IS_DATA_FRAME(skb)) {
 		unsigned long flags;
 
 		spin_lock_irqsave(&priv->tx_stats_lock, flags);
-		priv->tx_stats[data->hw_queue].len--;
+		priv->tx_stats[GET_HW_QUEUE(skb)].len--;
 		spin_unlock_irqrestore(&priv->tx_stats_lock, flags);
+
+		if (unlikely(GET_HW_QUEUE(skb) == P54_QUEUE_BEACON)) {
+			if (priv->beacon_req_id == GET_REQ_ID(skb)) {
+				/* this is the  active beacon set anymore */
+				priv->beacon_req_id = 0;
+			}
+			complete(&priv->beacon_comp);
+		}
 	}
 	p54_wake_queues(priv);
 }
@@ -266,9 +265,6 @@ static struct sk_buff *p54_find_and_unlink_skb(struct p54_common *priv,
 
 void p54_tx(struct p54_common *priv, struct sk_buff *skb)
 {
-	if (unlikely(WARN_ON(!priv)))
-		return ;
-
 	skb_queue_tail(&priv->tx_pending, skb);
 	p54_tx_pending(priv);
 }
@@ -288,6 +284,45 @@ static int p54_rssi_to_dbm(struct p54_common *priv, int rssi)
 			 priv->rssical_db[band].add) / 4;
 }
 
+/*
+ * Even if the firmware is capable of dealing with incoming traffic,
+ * while dozing, we have to prepared in case mac80211 uses PS-POLL
+ * to retrieve outstanding frames from our AP.
+ * (see comment in net/mac80211/mlme.c @ line 1993)
+ */
+static void p54_pspoll_workaround(struct p54_common *priv, struct sk_buff *skb)
+{
+	struct ieee80211_hdr *hdr = (void *) skb->data;
+	struct ieee80211_tim_ie *tim_ie;
+	u8 *tim;
+	u8 tim_len;
+	bool new_psm;
+
+	/* only beacons have a TIM IE */
+	if (!ieee80211_is_beacon(hdr->frame_control))
+		return;
+
+	if (!priv->aid)
+		return;
+
+	/* only consider beacons from the associated BSSID */
+	if (compare_ether_addr(hdr->addr3, priv->bssid))
+		return;
+
+	tim = p54_find_ie(skb, WLAN_EID_TIM);
+	if (!tim)
+		return;
+
+	tim_len = tim[1];
+	tim_ie = (struct ieee80211_tim_ie *) &tim[2];
+
+	new_psm = ieee80211_check_tim(tim_ie, tim_len, priv->aid);
+	if (new_psm != priv->powersave_override) {
+		priv->powersave_override = new_psm;
+		p54_set_ps(priv);
+	}
+}
+
 static int p54_rx_data(struct p54_common *priv, struct sk_buff *skb)
 {
 	struct p54_rx_data *hdr = (struct p54_rx_data *) skb->data;
@@ -340,6 +375,9 @@ static int p54_rx_data(struct p54_common *priv, struct sk_buff *skb)
 
 	skb_pull(skb, header_len);
 	skb_trim(skb, le16_to_cpu(hdr->len));
+	if (unlikely(priv->hw->conf.flags & IEEE80211_CONF_PS))
+		p54_pspoll_workaround(priv, skb);
+
 	ieee80211_rx_irqsafe(priv->hw, skb);
 
 	queue_delayed_work(priv->hw->workqueue, &priv->work,
@@ -375,10 +413,6 @@ static void p54_rx_frame_sent(struct p54_common *priv, struct sk_buff *skb)
 	 * and we don't want to confuse the mac80211 stack.
 	 */
 	if (unlikely(entry_data->hw_queue < P54_QUEUE_FWSCAN)) {
-		if (entry_data->hw_queue == P54_QUEUE_BEACON &&
-		    hdr->req_id == priv->beacon_req_id)
-			priv->beacon_req_id = cpu_to_le32(0);
-
 		dev_kfree_skb_any(entry);
 		return ;
 	}

drivers/net/wireless/rt2x00/rt2400pci.c

@@ -1561,6 +1561,7 @@ static const struct ieee80211_ops rt2400pci_mac80211_ops = {
 	.remove_interface	= rt2x00mac_remove_interface,
 	.config			= rt2x00mac_config,
 	.configure_filter	= rt2x00mac_configure_filter,
+	.set_tim		= rt2x00mac_set_tim,
 	.get_stats		= rt2x00mac_get_stats,
 	.bss_info_changed	= rt2x00mac_bss_info_changed,
 	.conf_tx		= rt2400pci_conf_tx,

drivers/net/wireless/rt2x00/rt2400pci.h

@@ -928,7 +928,7 @@
 #define RXD_W7_RESERVED			FIELD32(0xffffffff)
 
 /*
- * Macro's for converting txpower from EEPROM to mac80211 value
+ * Macros for converting txpower from EEPROM to mac80211 value
  * and from mac80211 value to register value.
  * NOTE: Logics in rt2400pci for txpower are reversed
  * compared to the other rt2x00 drivers. A higher txpower

drivers/net/wireless/rt2x00/rt2500pci.c

@@ -1860,6 +1860,7 @@ static const struct ieee80211_ops rt2500pci_mac80211_ops = {
 	.remove_interface	= rt2x00mac_remove_interface,
 	.config			= rt2x00mac_config,
 	.configure_filter	= rt2x00mac_configure_filter,
+	.set_tim		= rt2x00mac_set_tim,
 	.get_stats		= rt2x00mac_get_stats,
 	.bss_info_changed	= rt2x00mac_bss_info_changed,
 	.conf_tx		= rt2x00mac_conf_tx,

drivers/net/wireless/rt2x00/rt2500pci.h

@@ -1218,7 +1218,7 @@
 #define RXD_W10_DROP			FIELD32(0x00000001)
 
 /*
- * Macro's for converting txpower from EEPROM to mac80211 value
+ * Macros for converting txpower from EEPROM to mac80211 value
  * and from mac80211 value to register value.
  */
 #define MIN_TXPOWER	0

drivers/net/wireless/rt2x00/rt2500usb.c

@@ -1896,6 +1896,7 @@ static const struct ieee80211_ops rt2500usb_mac80211_ops = {
 	.remove_interface	= rt2x00mac_remove_interface,
 	.config			= rt2x00mac_config,
 	.configure_filter	= rt2x00mac_configure_filter,
+	.set_tim		= rt2x00mac_set_tim,
 	.set_key		= rt2x00mac_set_key,
 	.get_stats		= rt2x00mac_get_stats,
 	.bss_info_changed	= rt2x00mac_bss_info_changed,

drivers/net/wireless/rt2x00/rt2500usb.h

@@ -831,7 +831,7 @@
 #define RXD_W3_EIV			FIELD32(0xffffffff)
 
 /*
- * Macro's for converting txpower from EEPROM to mac80211 value
+ * Macros for converting txpower from EEPROM to mac80211 value
  * and from mac80211 value to register value.
  */
 #define MIN_TXPOWER	0

drivers/net/wireless/rt2x00/rt2800usb.c

@@ -1910,7 +1910,7 @@ static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 		/*
 		 * Before the radio can be enabled, the device first has
 		 * to be woken up. After that it needs a bit of time
-		 * to be fully awake and the radio can be enabled.
+		 * to be fully awake and then the radio can be enabled.
 		 */
 		rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
 		msleep(1);
@@ -1918,7 +1918,7 @@ static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 		break;
 	case STATE_RADIO_OFF:
 		/*
-		 * After the radio has been disablee, the device should
+		 * After the radio has been disabled, the device should
 		 * be put to sleep for powersaving.
 		 */
 		rt2800usb_disable_radio(rt2x00dev);
@@ -2220,10 +2220,8 @@ static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 	 */
 	mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
 	if (!is_valid_ether_addr(mac)) {
-		DECLARE_MAC_BUF(macbuf);
-
 		random_ether_addr(mac);
-		EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
+		EEPROM(rt2x00dev, "MAC: %pM\n", mac);
 	}
 
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
@@ -2786,6 +2784,7 @@ static const struct ieee80211_ops rt2800usb_mac80211_ops = {
 	.remove_interface	= rt2x00mac_remove_interface,
 	.config			= rt2x00mac_config,
 	.configure_filter	= rt2x00mac_configure_filter,
+	.set_tim		= rt2x00mac_set_tim,
 	.set_key		= rt2x00mac_set_key,
 	.get_stats		= rt2x00mac_get_stats,
 	.get_tkip_seq		= rt2800usb_get_tkip_seq,

drivers/net/wireless/rt2x00/rt2800usb.h

@@ -1921,7 +1921,7 @@ struct mac_iveiv_entry {
 #define RXWI_W3_SNR1			FIELD32(0x0000ff00)
 
 /*
- * Macro's for converting txpower from EEPROM to mac80211 value
+ * Macros for converting txpower from EEPROM to mac80211 value
  * and from mac80211 value to register value.
  */
 #define MIN_G_TXPOWER	0

drivers/net/wireless/rt2x00/rt2x00.h

@@ -245,7 +245,7 @@ struct link_ant {
 	struct antenna_setup active;
 
 	/*
-	 * RSSI information for the different antenna's.
+	 * RSSI information for the different antennas.
 	 * These statistics are used to determine when
 	 * to switch antenna when using software diversity.
 	 *
@@ -594,7 +594,6 @@ enum rt2x00_flags {
 	DEVICE_STATE_INITIALIZED,
 	DEVICE_STATE_STARTED,
 	DEVICE_STATE_ENABLED_RADIO,
-	DEVICE_STATE_DISABLED_RADIO_HW,
 
 	/*
 	 * Driver requirements
@@ -634,7 +633,7 @@ struct rt2x00_dev {
 	 * The structure stored in here depends on the
 	 * system bus (PCI or USB).
 	 * When accessing this variable, the rt2x00dev_{pci,usb}
-	 * macro's should be used for correct typecasting.
+	 * macros should be used for correct typecasting.
 	 */
 	struct device *dev;
 
@@ -963,6 +962,8 @@ void rt2x00mac_configure_filter(struct ieee80211_hw *hw,
 				unsigned int changed_flags,
 				unsigned int *total_flags,
 				int mc_count, struct dev_addr_list *mc_list);
+int rt2x00mac_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
+		      bool set);
 #ifdef CONFIG_RT2X00_LIB_CRYPTO
 int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 		      struct ieee80211_vif *vif, struct ieee80211_sta *sta,

drivers/net/wireless/rt2x00/rt2x00config.c

@@ -132,7 +132,7 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * Failsafe: Make sure we are not sending the
 	 * ANTENNA_SW_DIVERSITY state to the driver.
-	 * If that happes fallback to hardware default,
+	 * If that happens, fallback to hardware defaults,
 	 * or our own default.
 	 * The calls to rt2x00lib_config_antenna_check()
 	 * might have caused that we restore back to the already

drivers/net/wireless/rt2x00/rt2x00crypto.c

@@ -129,7 +129,7 @@ void rt2x00crypto_tx_remove_iv(struct sk_buff *skb, struct txentry_desc *txdesc)
 	/* Pull buffer to correct size */
 	skb_pull(skb, txdesc->iv_len);
 
-	/* IV/EIV data has officially be stripped */
+	/* IV/EIV data has officially been stripped */
 	skbdesc->flags |= SKBDESC_IV_STRIPPED;
 }
 

drivers/net/wireless/rt2x00/rt2x00dev.c

@@ -40,8 +40,7 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
 	 * Don't enable the radio twice.
 	 * And check if the hardware button has been disabled.
 	 */
-	if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags) ||
-	    test_bit(DEVICE_STATE_DISABLED_RADIO_HW, &rt2x00dev->flags))
+	if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		return 0;
 
 	/*

drivers/net/wireless/rt2x00/rt2x00link.c

@@ -158,7 +158,7 @@ static void rt2x00lib_antenna_diversity_sample(struct rt2x00_dev *rt2x00dev)
 
 	/*
 	 * During the last period we have sampled the RSSI
-	 * from both antenna's. It now is time to determine
+	 * from both antennas. It now is time to determine
 	 * which antenna demonstrated the best performance.
 	 * When we are already on the antenna with the best
 	 * performance, then there really is nothing for us

drivers/net/wireless/rt2x00/rt2x00mac.c

@@ -341,7 +341,7 @@ int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed)
 	int status;
 
 	/*
-	 * Mac80211 might be calling this function while we are trying
+	 * mac80211 might be calling this function while we are trying
 	 * to remove the device or perhaps suspending it.
 	 */
 	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
@@ -454,6 +454,16 @@ static void memcpy_tkip(struct rt2x00lib_crypto *crypto, u8 *key, u8 key_len)
 		       sizeof(crypto->rx_mic));
 }
 
+int rt2x00mac_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
+		      bool set)
+{
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+
+	rt2x00lib_beacondone(rt2x00dev);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_set_tim);
+
 int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 		      struct ieee80211_vif *vif, struct ieee80211_sta *sta,
 		      struct ieee80211_key_conf *key)
@@ -577,7 +587,7 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
 	int update_bssid = 0;
 
 	/*
-	 * Mac80211 might be calling this function while we are trying
+	 * mac80211 might be calling this function while we are trying
 	 * to remove the device or perhaps suspending it.
 	 */
 	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))

drivers/net/wireless/rt2x00/rt2x00queue.h

@@ -29,7 +29,7 @@
 #include <linux/prefetch.h>
 
 /**
- * DOC: Entrie frame size
+ * DOC: Entry frame size
  *
  * Ralink PCI devices demand the Frame size to be a multiple of 128 bytes,
  * for USB devices this restriction does not apply, but the value of
@@ -45,13 +45,13 @@
 /**
  * DOC: Number of entries per queue
  *
- * Under normal load without fragmentation 12 entries are sufficient
+ * Under normal load without fragmentation, 12 entries are sufficient
  * without the queue being filled up to the maximum. When using fragmentation
- * and the queue threshold code we need to add some additional margins to
+ * and the queue threshold code, we need to add some additional margins to
  * make sure the queue will never (or only under extreme load) fill up
  * completely.
- * Since we don't use preallocated DMA having a large number of queue entries
- * will have only minimal impact on the memory requirements for the queue.
+ * Since we don't use preallocated DMA, having a large number of queue entries
+ * will have minimal impact on the memory requirements for the queue.
  */
 #define RX_ENTRIES	24
 #define TX_ENTRIES	24

drivers/net/wireless/rt2x00/rt2x00reg.h

@@ -176,8 +176,8 @@ struct rt2x00_field32 {
 #define is_valid_mask(x)	is_power_of_two(1LU + (x) + low_bit_mask(x))
 
 /*
- * Macro's to find first set bit in a variable.
- * These macro's behaves the same as the __ffs() function with
+ * Macros to find first set bit in a variable.
+ * These macros behave the same as the __ffs() functions but
  * the most important difference that this is done during
  * compile-time rather then run-time.
  */

drivers/net/wireless/rt2x00/rt61pci.c

@@ -2312,7 +2312,7 @@ static int rt61pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	}
 
 	/*
-	 * Determine number of antenna's.
+	 * Determine number of antennas.
 	 */
 	if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_NUM) == 2)
 		__set_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags);
@@ -2716,6 +2716,7 @@ static const struct ieee80211_ops rt61pci_mac80211_ops = {
 	.remove_interface	= rt2x00mac_remove_interface,
 	.config			= rt2x00mac_config,
 	.configure_filter	= rt2x00mac_configure_filter,
+	.set_tim		= rt2x00mac_set_tim,
 	.set_key		= rt2x00mac_set_key,
 	.get_stats		= rt2x00mac_get_stats,
 	.bss_info_changed	= rt2x00mac_bss_info_changed,

drivers/net/wireless/rt2x00/rt61pci.h

@@ -1476,7 +1476,7 @@ struct hw_pairwise_ta_entry {
 #define RXD_W15_RESERVED		FIELD32(0xffffffff)
 
 /*
- * Macro's for converting txpower from EEPROM to mac80211 value
+ * Macros for converting txpower from EEPROM to mac80211 value
  * and from mac80211 value to register value.
  */
 #define MIN_TXPOWER	0

drivers/net/wireless/rt2x00/rt73usb.c

@@ -2241,6 +2241,7 @@ static const struct ieee80211_ops rt73usb_mac80211_ops = {
 	.remove_interface	= rt2x00mac_remove_interface,
 	.config			= rt2x00mac_config,
 	.configure_filter	= rt2x00mac_configure_filter,
+	.set_tim		= rt2x00mac_set_tim,
 	.set_key		= rt2x00mac_set_key,
 	.get_stats		= rt2x00mac_get_stats,
 	.bss_info_changed	= rt2x00mac_bss_info_changed,

drivers/net/wireless/rt2x00/rt73usb.h

@@ -809,7 +809,7 @@ struct hw_pairwise_ta_entry {
 
 /*
  * EEPROM antenna.
- * ANTENNA_NUM: Number of antenna's.
+ * ANTENNA_NUM: Number of antennas.
  * TX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
  * RX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
  * FRAME_TYPE: 0: DPDT , 1: SPDT , noted this bit is valid for g only.
@@ -1058,7 +1058,7 @@ struct hw_pairwise_ta_entry {
 #define RXD_W5_RESERVED			FIELD32(0xffffffff)
 
 /*
- * Macro's for converting txpower from EEPROM to mac80211 value
+ * Macros for converting txpower from EEPROM to mac80211 value
  * and from mac80211 value to register value.
  */
 #define MIN_TXPOWER	0

drivers/net/wireless/wl12xx/wl1251_acx.c

@@ -84,7 +84,7 @@ int wl1251_acx_default_key(struct wl1251 *wl, u8 key_id)
 	ret = wl1251_cmd_configure(wl, DOT11_DEFAULT_KEY,
 				   default_key, sizeof(*default_key));
 	if (ret < 0) {
-		wl1251_error("Couldnt set default key");
+		wl1251_error("Couldn't set default key");
 		goto out;
 	}
 
@@ -231,7 +231,7 @@ int wl1251_acx_feature_cfg(struct wl1251 *wl)
 	ret = wl1251_cmd_configure(wl, ACX_FEATURE_CFG,
 				   feature, sizeof(*feature));
 	if (ret < 0) {
-		wl1251_error("Couldnt set HW encryption");
+		wl1251_error("Couldn't set HW encryption");
 		goto out;
 	}
 

drivers/net/wireless/wl12xx/wl1251_main.c

@@ -246,60 +246,6 @@ out:
 	mutex_unlock(&wl->mutex);
 }
 
-int wl1251_plt_start(struct wl1251 *wl)
-{
-	int ret;
-
-	mutex_lock(&wl->mutex);
-
-	wl1251_notice("power up");
-
-	if (wl->state != WL1251_STATE_OFF) {
-		wl1251_error("cannot go into PLT state because not "
-			     "in off state: %d", wl->state);
-		return -EBUSY;
-	}
-
-	wl->state = WL1251_STATE_PLT;
-
-	ret = wl1251_chip_wakeup(wl);
-	if (ret < 0)
-		return ret;
-
-	ret = wl->chip.op_boot(wl);
-	if (ret < 0)
-		return ret;
-
-	wl1251_notice("firmware booted in PLT mode (%s)", wl->chip.fw_ver);
-
-	ret = wl->chip.op_plt_init(wl);
-	if (ret < 0)
-		return ret;
-
-	return 0;
-}
-
-int wl1251_plt_stop(struct wl1251 *wl)
-{
-	mutex_lock(&wl->mutex);
-
-	wl1251_notice("power down");
-
-	if (wl->state != WL1251_STATE_PLT) {
-		wl1251_error("cannot power down because not in PLT "
-			     "state: %d", wl->state);
-		return -EBUSY;
-	}
-
-	wl1251_disable_interrupts(wl);
-	wl1251_power_off(wl);
-
-	wl->state = WL1251_STATE_OFF;
-
-	return 0;
-}
-
-
 static int wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 {
 	struct wl1251 *wl = hw->priv;
@@ -349,7 +295,7 @@ static int wl1251_op_start(struct ieee80211_hw *hw)
 
 	ret = wl1251_chip_wakeup(wl);
 	if (ret < 0)
-		return ret;
+		goto out;
 
 	ret = wl->chip.op_boot(wl);
 	if (ret < 0)
@@ -435,11 +381,10 @@ static int wl1251_op_add_interface(struct ieee80211_hw *hw,
 				   struct ieee80211_if_init_conf *conf)
 {
 	struct wl1251 *wl = hw->priv;
-	DECLARE_MAC_BUF(mac);
 	int ret = 0;
 
-	wl1251_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %s",
-		     conf->type, print_mac(mac, conf->mac_addr));
+	wl1251_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
+		     conf->type, conf->mac_addr);
 
 	mutex_lock(&wl->mutex);
 

drivers/net/wireless/wl12xx/wl1251_netlink.c

@@ -1,679 +0,0 @@
-/*
- * This file is part of wl1251
- *
- * Copyright (C) 2008 Nokia Corporation
- *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
- */
-#include "wl1251_netlink.h"
-
-#include <linux/mutex.h>
-#include <linux/socket.h>
-#include <net/net_namespace.h>
-#include <net/sock.h>
-#include <net/genetlink.h>
-#include <net/wireless.h>
-#include <net/mac80211.h>
-
-#include "wl1251.h"
-#include "wl1251_spi.h"
-#include "wl1251_acx.h"
-
-/* FIXME: this should be changed as soon as user space catches up */
-#define WL1251_NL_NAME "wl1251"
-#define WL1251_NL_VERSION 1
-
-#define WL1251_MAX_TEST_LENGTH 1024
-#define WL1251_MAX_NVS_LENGTH 1024
-
-enum wl1251_nl_commands {
-	WL1251_NL_CMD_UNSPEC,
-	WL1251_NL_CMD_TEST,
-	WL1251_NL_CMD_INTERROGATE,
-	WL1251_NL_CMD_CONFIGURE,
-	WL1251_NL_CMD_PHY_REG_READ,
-	WL1251_NL_CMD_NVS_PUSH,
-	WL1251_NL_CMD_REG_WRITE,
-	WL1251_NL_CMD_REG_READ,
-	WL1251_NL_CMD_SET_PLT_MODE,
-
-	__WL1251_NL_CMD_AFTER_LAST
-};
-#define WL1251_NL_CMD_MAX (__WL1251_NL_CMD_AFTER_LAST - 1)
-
-enum wl1251_nl_attrs {
-	WL1251_NL_ATTR_UNSPEC,
-	WL1251_NL_ATTR_IFNAME,
-	WL1251_NL_ATTR_CMD_TEST_PARAM,
-	WL1251_NL_ATTR_CMD_TEST_ANSWER,
-	WL1251_NL_ATTR_CMD_IE,
-	WL1251_NL_ATTR_CMD_IE_LEN,
-	WL1251_NL_ATTR_CMD_IE_BUFFER,
-	WL1251_NL_ATTR_CMD_IE_ANSWER,
-	WL1251_NL_ATTR_REG_ADDR,
-	WL1251_NL_ATTR_REG_VAL,
-	WL1251_NL_ATTR_NVS_BUFFER,
-	WL1251_NL_ATTR_NVS_LEN,
-	WL1251_NL_ATTR_PLT_MODE,
-
-	__WL1251_NL_ATTR_AFTER_LAST
-};
-#define WL1251_NL_ATTR_MAX (__WL1251_NL_ATTR_AFTER_LAST - 1)
-
-static struct genl_family wl1251_nl_family = {
-	.id = GENL_ID_GENERATE,
-	.name = WL1251_NL_NAME,
-	.hdrsize = 0,
-	.version = WL1251_NL_VERSION,
-	.maxattr = WL1251_NL_ATTR_MAX,
-};
-
-static struct net_device *ifname_to_netdev(struct net *net,
-					   struct genl_info *info)
-{
-	char *ifname;
-
-	if (!info->attrs[WL1251_NL_ATTR_IFNAME])
-		return NULL;
-
-	ifname = nla_data(info->attrs[WL1251_NL_ATTR_IFNAME]);
-
-	wl1251_debug(DEBUG_NETLINK, "Looking for %s", ifname);
-
-	return dev_get_by_name(net, ifname);
-}
-
-static struct wl1251 *ifname_to_wl1251(struct net *net, struct genl_info *info)
-{
-	struct net_device *netdev;
-	struct wireless_dev *wdev;
-	struct wiphy *wiphy;
-	struct ieee80211_hw *hw;
-
-	netdev = ifname_to_netdev(net, info);
-	if (netdev == NULL) {
-		wl1251_error("Wrong interface");
-		return NULL;
-	}
-
-	wdev = netdev->ieee80211_ptr;
-	if (wdev == NULL) {
-		wl1251_error("ieee80211_ptr is NULL");
-		return NULL;
-	}
-
-	wiphy = wdev->wiphy;
-	if (wiphy == NULL) {
-		wl1251_error("wiphy is NULL");
-		return NULL;
-	}
-
-	hw = wiphy_priv(wiphy);
-	if (hw == NULL) {
-		wl1251_error("hw is NULL");
-		return NULL;
-	}
-
-	dev_put(netdev);
-
-	return hw->priv;
-}
-
-static int wl1251_nl_test_cmd(struct sk_buff *skb, struct genl_info *info)
-{
-	struct wl1251 *wl;
-	struct wl1251_command *cmd;
-	char *buf;
-	int buf_len, ret, cmd_len;
-	u8 answer;
-
-	if (!info->attrs[WL1251_NL_ATTR_CMD_TEST_PARAM])
-		return -EINVAL;
-
-	wl = ifname_to_wl1251(&init_net, info);
-	if (wl == NULL) {
-		wl1251_error("wl1251 not found");
-		return -EINVAL;
-	}
-
-	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
-	if (!cmd)
-		return -ENOMEM;
-
-	buf = nla_data(info->attrs[WL1251_NL_ATTR_CMD_TEST_PARAM]);
-	buf_len = nla_len(info->attrs[WL1251_NL_ATTR_CMD_TEST_PARAM]);
-	answer = nla_get_u8(info->attrs[WL1251_NL_ATTR_CMD_TEST_ANSWER]);
-
-	cmd->header.id = CMD_TEST;
-	memcpy(cmd->parameters, buf, buf_len);
-	cmd_len = sizeof(struct wl1251_cmd_header) + buf_len;
-
-	mutex_lock(&wl->mutex);
-	ret = wl1251_cmd_test(wl, cmd, cmd_len, answer);
-	mutex_unlock(&wl->mutex);
-
-	if (ret < 0) {
-		wl1251_error("%s() failed", __func__);
-		goto out;
-	}
-
-	if (answer) {
-		struct sk_buff *msg;
-		void *hdr;
-
-		msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
-		if (!msg) {
-			ret = -ENOMEM;
-			goto out;
-		}
-
-		hdr = genlmsg_put(msg, info->snd_pid, info->snd_seq,
-				  &wl1251_nl_family, 0, WL1251_NL_CMD_TEST);
-		if (IS_ERR(hdr)) {
-			ret = PTR_ERR(hdr);
-			goto nla_put_failure;
-		}
-
-		NLA_PUT_STRING(msg, WL1251_NL_ATTR_IFNAME,
-			       nla_data(info->attrs[WL1251_NL_ATTR_IFNAME]));
-		NLA_PUT(msg, WL1251_NL_ATTR_CMD_TEST_ANSWER,
-			sizeof(*cmd), cmd);
-
-		ret = genlmsg_end(msg, hdr);
-		if (ret < 0) {
-			wl1251_error("%s() failed", __func__);
-			goto nla_put_failure;
-		}
-
-		wl1251_debug(DEBUG_NETLINK, "TEST cmd sent, answer");
-		ret = genlmsg_reply(msg, info);
-		goto out;
-
- nla_put_failure:
-		nlmsg_free(msg);
-	} else
-		wl1251_debug(DEBUG_NETLINK, "TEST cmd sent");
-
-out:
-	kfree(cmd);
-	return ret;
-}
-
-static int wl1251_nl_interrogate(struct sk_buff *skb, struct genl_info *info)
-{
-	struct wl1251 *wl;
-	struct sk_buff *msg;
-	int ret = -ENOBUFS, cmd_ie, cmd_ie_len;
-	struct wl1251_command *cmd;
-	void *hdr;
-
-	if (!info->attrs[WL1251_NL_ATTR_CMD_IE])
-		return -EINVAL;
-
-	if (!info->attrs[WL1251_NL_ATTR_CMD_IE_LEN])
-		return -EINVAL;
-
-	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
-	if (!cmd)
-		return -ENOMEM;
-
-	msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
-	if (!msg)
-		return -ENOMEM;
-
-	wl = ifname_to_wl1251(&init_net, info);
-	if (wl == NULL) {
-		wl1251_error("wl1251 not found");
-		ret = -EINVAL;
-		goto nla_put_failure;
-	}
-
-	/* acx id */
-	cmd_ie = nla_get_u32(info->attrs[WL1251_NL_ATTR_CMD_IE]);
-
-	/* maximum length of acx, including all headers */
-	cmd_ie_len = nla_get_u32(info->attrs[WL1251_NL_ATTR_CMD_IE_LEN]);
-
-	wl1251_debug(DEBUG_NETLINK, "Getting IE 0x%x (len %d)",
-		     cmd_ie, cmd_ie_len);
-
-	mutex_lock(&wl->mutex);
-	ret = wl1251_cmd_interrogate(wl, cmd_ie, cmd, cmd_ie_len);
-	mutex_unlock(&wl->mutex);
-
-	if (ret < 0) {
-		wl1251_error("%s() failed", __func__);
-		goto nla_put_failure;
-	}
-
-	hdr = genlmsg_put(msg, info->snd_pid, info->snd_seq,
-			  &wl1251_nl_family, 0, WL1251_NL_CMD_INTERROGATE);
-	if (IS_ERR(hdr)) {
-		ret = PTR_ERR(hdr);
-		goto nla_put_failure;
-	}
-
-	NLA_PUT_STRING(msg, WL1251_NL_ATTR_IFNAME,
-		       nla_data(info->attrs[WL1251_NL_ATTR_IFNAME]));
-	NLA_PUT(msg, WL1251_NL_ATTR_CMD_IE_ANSWER, cmd_ie_len, cmd);
-
-	ret = genlmsg_end(msg, hdr);
-	if (ret < 0) {
-		wl1251_error("%s() failed", __func__);
-		goto nla_put_failure;
-	}
-
-	kfree(cmd);
-	return genlmsg_reply(msg, info);
-
- nla_put_failure:
-	kfree(cmd);
-	nlmsg_free(msg);
-
-	return ret;
-}
-
-static int wl1251_nl_configure(struct sk_buff *skb, struct genl_info *info)
-{
-	int ret = 0, cmd_ie_len, acx_len;
-	struct acx_header *acx = NULL;
-	struct sk_buff *msg;
-	struct wl1251 *wl;
-	void *cmd_ie;
-	u16 *id;
-
-	if (!info->attrs[WL1251_NL_ATTR_CMD_IE_BUFFER])
-		return -EINVAL;
-
-	if (!info->attrs[WL1251_NL_ATTR_CMD_IE_LEN])
-		return -EINVAL;
-
-	msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
-	if (!msg)
-		return -ENOMEM;
-
-	wl = ifname_to_wl1251(&init_net, info);
-	if (wl == NULL) {
-		wl1251_error("wl1251 not found");
-		ret = -EINVAL;
-		goto nla_put_failure;
-	}
-
-	/* contains the acx header but not the cmd header */
-	cmd_ie = nla_data(info->attrs[WL1251_NL_ATTR_CMD_IE_BUFFER]);
-
-	cmd_ie_len = nla_get_u32(info->attrs[WL1251_NL_ATTR_CMD_IE_LEN]);
-
-	/* acx id is in the first two bytes */
-	id = cmd_ie;
-
-	/* need to add acx_header before cmd_ie, so create a new command */
-	acx_len = sizeof(struct acx_header) + cmd_ie_len;
-	acx = kzalloc(acx_len, GFP_KERNEL);
-	if (!acx) {
-		ret = -ENOMEM;
-		goto nla_put_failure;
-	}
-
-	/* copy the acx header and the payload */
-	memcpy(&acx->id, cmd_ie, cmd_ie_len);
-
-	mutex_lock(&wl->mutex);
-	ret = wl1251_cmd_configure(wl, *id, acx, acx_len);
-	mutex_unlock(&wl->mutex);
-
-	if (ret < 0) {
-		wl1251_error("%s() failed", __func__);
-		goto nla_put_failure;
-	}
-
-	wl1251_debug(DEBUG_NETLINK, "CONFIGURE cmd sent");
-
- nla_put_failure:
-	kfree(acx);
-	nlmsg_free(msg);
-
-	return ret;
-}
-
-static int wl1251_nl_phy_reg_read(struct sk_buff *skb, struct genl_info *info)
-{
-	struct wl1251 *wl;
-	struct sk_buff *msg;
-	u32 reg_addr, *reg_value = NULL;
-	int ret = 0;
-	void *hdr;
-
-	if (!info->attrs[WL1251_NL_ATTR_REG_ADDR])
-		return -EINVAL;
-
-	msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
-	if (!msg)
-		return -ENOMEM;
-
-	wl = ifname_to_wl1251(&init_net, info);
-	if (wl == NULL) {
-		wl1251_error("wl1251 not found");
-		ret = -EINVAL;
-		goto nla_put_failure;
-	}
-
-	reg_value = kmalloc(sizeof(*reg_value), GFP_KERNEL);
-	if (!reg_value) {
-		ret = -ENOMEM;
-		goto nla_put_failure;
-	}
-
-	reg_addr = nla_get_u32(info->attrs[WL1251_NL_ATTR_REG_ADDR]);
-
-	wl1251_debug(DEBUG_NETLINK, "Reading PHY reg 0x%x", reg_addr);
-
-	mutex_lock(&wl->mutex);
-	ret = wl1251_cmd_read_memory(wl, reg_addr, reg_value,
-				     sizeof(*reg_value));
-	mutex_unlock(&wl->mutex);
-
-	if (ret < 0) {
-		wl1251_error("%s() failed", __func__);
-		goto nla_put_failure;
-	}
-
-
-	hdr = genlmsg_put(msg, info->snd_pid, info->snd_seq,
-			  &wl1251_nl_family, 0, WL1251_NL_CMD_PHY_REG_READ);
-	if (IS_ERR(hdr)) {
-		ret = PTR_ERR(hdr);
-		goto nla_put_failure;
-	}
-
-	NLA_PUT_STRING(msg, WL1251_NL_ATTR_IFNAME,
-		       nla_data(info->attrs[WL1251_NL_ATTR_IFNAME]));
-
-	NLA_PUT_U32(msg, WL1251_NL_ATTR_REG_VAL, *reg_value);
-
-	ret = genlmsg_end(msg, hdr);
-	if (ret < 0) {
-		wl1251_error("%s() failed", __func__);
-		goto nla_put_failure;
-	}
-
-	kfree(reg_value);
-
-	return genlmsg_reply(msg, info);
-
- nla_put_failure:
-	nlmsg_free(msg);
-	kfree(reg_value);
-
-	return ret;
-}
-
-static int wl1251_nl_nvs_push(struct sk_buff *skb, struct genl_info *info)
-{
-	struct wl1251 *wl;
-	int ret = 0;
-
-	if (!info->attrs[WL1251_NL_ATTR_NVS_BUFFER])
-		return -EINVAL;
-
-	if (!info->attrs[WL1251_NL_ATTR_NVS_LEN])
-		return -EINVAL;
-
-	wl = ifname_to_wl1251(&init_net, info);
-	if (wl == NULL) {
-		wl1251_error("wl1251 not found");
-		return -EINVAL;
-	}
-
-	mutex_lock(&wl->mutex);
-	wl->nvs_len = nla_get_u32(info->attrs[WL1251_NL_ATTR_NVS_LEN]);
-	if (wl->nvs_len % 4) {
-		wl1251_error("NVS size is not multiple of 32: %d", wl->nvs_len);
-		ret = -EILSEQ;
-		goto out;
-	}
-
-	/* If we already have an NVS, we should free it */
-	kfree(wl->nvs);
-
-	wl->nvs = kzalloc(wl->nvs_len, GFP_KERNEL);
-	if (wl->nvs == NULL) {
-		wl1251_error("Can't allocate NVS");
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	memcpy(wl->nvs,
-	       nla_data(info->attrs[WL1251_NL_ATTR_NVS_BUFFER]),
-	       wl->nvs_len);
-
-	wl1251_debug(DEBUG_NETLINK, "got NVS from userspace, %d bytes",
-		     wl->nvs_len);
-
-out:
-	mutex_unlock(&wl->mutex);
-
-	return ret;
-}
-
-static int wl1251_nl_reg_read(struct sk_buff *skb, struct genl_info *info)
-{
-	struct wl1251 *wl;
-	u32 addr, val;
-	int ret = 0;
-	struct sk_buff *msg;
-	void *hdr;
-
-	if (!info->attrs[WL1251_NL_ATTR_REG_ADDR])
-		return -EINVAL;
-
-	msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
-	if (!msg)
-		return -ENOMEM;
-
-	wl = ifname_to_wl1251(&init_net, info);
-	if (wl == NULL) {
-		wl1251_error("wl1251 not found");
-		return -EINVAL;
-	}
-
-	addr = nla_get_u32(info->attrs[WL1251_NL_ATTR_REG_ADDR]);
-
-	mutex_lock(&wl->mutex);
-	val = wl1251_reg_read32(wl, addr);
-	mutex_unlock(&wl->mutex);
-
-	hdr = genlmsg_put(msg, info->snd_pid, info->snd_seq,
-			  &wl1251_nl_family, 0, WL1251_NL_CMD_PHY_REG_READ);
-	if (IS_ERR(hdr)) {
-		ret = PTR_ERR(hdr);
-		goto nla_put_failure;
-	}
-
-	NLA_PUT_STRING(msg, WL1251_NL_ATTR_IFNAME,
-		       nla_data(info->attrs[WL1251_NL_ATTR_IFNAME]));
-
-	NLA_PUT_U32(msg, WL1251_NL_ATTR_REG_VAL, val);
-
-	ret = genlmsg_end(msg, hdr);
-	if (ret < 0) {
-		wl1251_error("%s() failed", __func__);
-		goto nla_put_failure;
-	}
-
-	return genlmsg_reply(msg, info);
-
- nla_put_failure:
-	nlmsg_free(msg);
-
-	return ret;
-}
-
-static int wl1251_nl_reg_write(struct sk_buff *skb, struct genl_info *info)
-{
-	struct wl1251 *wl;
-	u32 addr, val;
-
-	if (!info->attrs[WL1251_NL_ATTR_REG_ADDR])
-		return -EINVAL;
-
-	if (!info->attrs[WL1251_NL_ATTR_REG_VAL])
-		return -EINVAL;
-
-	wl = ifname_to_wl1251(&init_net, info);
-	if (wl == NULL) {
-		wl1251_error("wl1251 not found");
-		return -EINVAL;
-	}
-
-	addr = nla_get_u32(info->attrs[WL1251_NL_ATTR_REG_ADDR]);
-	val = nla_get_u32(info->attrs[WL1251_NL_ATTR_REG_VAL]);
-
-	mutex_lock(&wl->mutex);
-	wl1251_reg_write32(wl, addr, val);
-	mutex_unlock(&wl->mutex);
-
-	return 0;
-}
-
-static int wl1251_nl_set_plt_mode(struct sk_buff *skb, struct genl_info *info)
-{
-	struct wl1251 *wl;
-	u32 val;
-	int ret;
-
-	if (!info->attrs[WL1251_NL_ATTR_PLT_MODE])
-		return -EINVAL;
-
-	wl = ifname_to_wl1251(&init_net, info);
-	if (wl == NULL) {
-		wl1251_error("wl1251 not found");
-		return -EINVAL;
-	}
-
-	val = nla_get_u32(info->attrs[WL1251_NL_ATTR_PLT_MODE]);
-
-	switch (val) {
-	case 0:
-		ret = wl1251_plt_stop(wl);
-		break;
-	case 1:
-		ret = wl1251_plt_start(wl);
-		break;
-	default:
-		ret = -EINVAL;
-		break;
-	}
-
-	return ret;
-}
-
-static struct nla_policy wl1251_nl_policy[WL1251_NL_ATTR_MAX + 1] = {
-	[WL1251_NL_ATTR_IFNAME] =            { .type = NLA_NUL_STRING,
-					       .len = IFNAMSIZ-1 },
-	[WL1251_NL_ATTR_CMD_TEST_PARAM] =    { .type = NLA_BINARY,
-					       .len = WL1251_MAX_TEST_LENGTH },
-	[WL1251_NL_ATTR_CMD_TEST_ANSWER] =   { .type = NLA_U8 },
-	[WL1251_NL_ATTR_CMD_IE] =            { .type = NLA_U32 },
-	[WL1251_NL_ATTR_CMD_IE_LEN] =        { .type = NLA_U32 },
-	[WL1251_NL_ATTR_CMD_IE_BUFFER] =     { .type = NLA_BINARY,
-					       .len = WL1251_MAX_TEST_LENGTH },
-	[WL1251_NL_ATTR_CMD_IE_ANSWER] =     { .type = NLA_BINARY,
-					       .len = WL1251_MAX_TEST_LENGTH },
-	[WL1251_NL_ATTR_REG_ADDR] =          { .type = NLA_U32 },
-	[WL1251_NL_ATTR_REG_VAL] =           { .type = NLA_U32 },
-	[WL1251_NL_ATTR_NVS_BUFFER] =        { .type = NLA_BINARY,
-					       .len = WL1251_MAX_NVS_LENGTH },
-	[WL1251_NL_ATTR_NVS_LEN] =           { .type = NLA_U32 },
-	[WL1251_NL_ATTR_PLT_MODE] =          { .type = NLA_U32 },
-};
-
-static struct genl_ops wl1251_nl_ops[] = {
-	{
-		.cmd = WL1251_NL_CMD_TEST,
-		.doit = wl1251_nl_test_cmd,
-		.policy = wl1251_nl_policy,
-		.flags = GENL_ADMIN_PERM,
-	},
-	{
-		.cmd = WL1251_NL_CMD_INTERROGATE,
-		.doit = wl1251_nl_interrogate,
-		.policy = wl1251_nl_policy,
-		.flags = GENL_ADMIN_PERM,
-	},
-	{
-		.cmd = WL1251_NL_CMD_CONFIGURE,
-		.doit = wl1251_nl_configure,
-		.policy = wl1251_nl_policy,
-		.flags = GENL_ADMIN_PERM,
-	},
-	{
-		.cmd = WL1251_NL_CMD_PHY_REG_READ,
-		.doit = wl1251_nl_phy_reg_read,
-		.policy = wl1251_nl_policy,
-		.flags = GENL_ADMIN_PERM,
-	},
-	{
-		.cmd = WL1251_NL_CMD_NVS_PUSH,
-		.doit = wl1251_nl_nvs_push,
-		.policy = wl1251_nl_policy,
-		.flags = GENL_ADMIN_PERM,
-	},
-	{
-		.cmd = WL1251_NL_CMD_REG_WRITE,
-		.doit = wl1251_nl_reg_write,
-		.policy = wl1251_nl_policy,
-		.flags = GENL_ADMIN_PERM,
-	},
-	{
-		.cmd = WL1251_NL_CMD_REG_READ,
-		.doit = wl1251_nl_reg_read,
-		.policy = wl1251_nl_policy,
-		.flags = GENL_ADMIN_PERM,
-	},
-	{
-		.cmd = WL1251_NL_CMD_SET_PLT_MODE,
-		.doit = wl1251_nl_set_plt_mode,
-		.policy = wl1251_nl_policy,
-		.flags = GENL_ADMIN_PERM,
-	},
-};
-
-int wl1251_nl_register(void)
-{
-	int err, i;
-
-	err = genl_register_family(&wl1251_nl_family);
-	if (err)
-		return err;
-
-	for (i = 0; i < ARRAY_SIZE(wl1251_nl_ops); i++) {
-		err = genl_register_ops(&wl1251_nl_family, &wl1251_nl_ops[i]);
-		if (err)
-			goto err_out;
-	}
-	return 0;
- err_out:
-	genl_unregister_family(&wl1251_nl_family);
-	return err;
-}
-
-void wl1251_nl_unregister(void)
-{
-	genl_unregister_family(&wl1251_nl_family);
-}

drivers/net/wireless/wl12xx/wl1251_ops.c

@@ -423,7 +423,7 @@ static void wl1251_irq_work(struct work_struct *work)
 		wl->rx_counter =
 			wl1251_mem_read32(wl, wl->data_path->rx_control_addr);
 
-		/* We handle a frmware bug here */
+		/* We handle a firmware bug here */
 		switch ((wl->rx_counter - wl->rx_handled) & 0xf) {
 		case 0:
 			wl1251_debug(DEBUG_IRQ, "RX: FW and host in sync");
@@ -575,7 +575,7 @@ static int wl1251_hw_init_data_path_config(struct wl1251 *wl)
 	wl->data_path = kzalloc(sizeof(struct acx_data_path_params_resp),
 				GFP_KERNEL);
 	if (!wl->data_path) {
-		wl1251_error("Couldnt allocate data path parameters");
+		wl1251_error("Couldn't allocate data path parameters");
 		return -ENOMEM;
 	}
 

drivers/net/wireless/wl12xx/wl1251_rx.h

@@ -88,7 +88,7 @@ struct wl1251_rx_descriptor {
 	u8 type;
 
 	/*
-	 * Recevied Rate:
+	 * Received Rate:
 	 * 0x0A - 1MBPS
 	 * 0x14 - 2MBPS
 	 * 0x37 - 5_5MBPS

drivers/net/wireless/zd1211rw/zd_usb.c

@@ -76,6 +76,7 @@ static struct usb_device_id usb_ids[] = {
 	{ USB_DEVICE(0x07b8, 0x6001), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x07fa, 0x1196), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x083a, 0x4505), .driver_info = DEVICE_ZD1211B },
+	{ USB_DEVICE(0x083a, 0xe501), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x083a, 0xe503), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x083a, 0xe506), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x0ace, 0x1215), .driver_info = DEVICE_ZD1211B },

include/linux/nl80211.h

@@ -567,6 +567,12 @@ enum nl80211_commands {
  * @NL80211_ATTR_PREV_BSSID: previous BSSID, to be used by in ASSOCIATE
  *	commands to specify using a reassociate frame
  *
+ * @NL80211_ATTR_KEY: key information in a nested attribute with
+ *	%NL80211_KEY_* sub-attributes
+ * @NL80211_ATTR_KEYS: array of keys for static WEP keys for connect()
+ *	and join_ibss(), key information is in a nested attribute each
+ *	with %NL80211_KEY_* sub-attributes
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -692,6 +698,9 @@ enum nl80211_attrs {
 
 	NL80211_ATTR_PREV_BSSID,
 
+	NL80211_ATTR_KEY,
+	NL80211_ATTR_KEYS,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,
@@ -720,6 +729,8 @@ enum nl80211_attrs {
 #define NL80211_ATTR_CIPHER_SUITE_GROUP NL80211_ATTR_CIPHER_SUITE_GROUP
 #define NL80211_ATTR_WPA_VERSIONS NL80211_ATTR_WPA_VERSIONS
 #define NL80211_ATTR_AKM_SUITES NL80211_ATTR_AKM_SUITES
+#define NL80211_ATTR_KEY NL80211_ATTR_KEY
+#define NL80211_ATTR_KEYS NL80211_ATTR_KEYS
 
 #define NL80211_MAX_SUPP_RATES			32
 #define NL80211_MAX_SUPP_REG_RULES		32
@@ -1249,6 +1260,7 @@ enum nl80211_channel_type {
  *	in mBm (100 * dBm) (s32)
  * @NL80211_BSS_SIGNAL_UNSPEC: signal strength of the probe response/beacon
  *	in unspecified units, scaled to 0..100 (u8)
+ * @NL80211_BSS_STATUS: status, if this BSS is "used"
  * @__NL80211_BSS_AFTER_LAST: internal
  * @NL80211_BSS_MAX: highest BSS attribute
  */
@@ -1262,12 +1274,22 @@ enum nl80211_bss {
 	NL80211_BSS_INFORMATION_ELEMENTS,
 	NL80211_BSS_SIGNAL_MBM,
 	NL80211_BSS_SIGNAL_UNSPEC,
+	NL80211_BSS_STATUS,
 
 	/* keep last */
 	__NL80211_BSS_AFTER_LAST,
 	NL80211_BSS_MAX = __NL80211_BSS_AFTER_LAST - 1
 };
 
+/**
+ * enum nl80211_bss_status - BSS "status"
+ */
+enum nl80211_bss_status {
+	NL80211_BSS_STATUS_AUTHENTICATED,
+	NL80211_BSS_STATUS_ASSOCIATED,
+	NL80211_BSS_STATUS_IBSS_JOINED,
+};
+
 /**
  * enum nl80211_auth_type - AuthenticationType
  *
@@ -1320,4 +1342,34 @@ enum nl80211_wpa_versions {
 	NL80211_WPA_VERSION_2 = 1 << 1,
 };
 
+/**
+ * enum nl80211_key_attributes - key attributes
+ * @__NL80211_KEY_INVALID: invalid
+ * @NL80211_KEY_DATA: (temporal) key data; for TKIP this consists of
+ *	16 bytes encryption key followed by 8 bytes each for TX and RX MIC
+ *	keys
+ * @NL80211_KEY_IDX: key ID (u8, 0-3)
+ * @NL80211_KEY_CIPHER: key cipher suite (u32, as defined by IEEE 802.11
+ *	section 7.3.2.25.1, e.g. 0x000FAC04)
+ * @NL80211_KEY_SEQ: transmit key sequence number (IV/PN) for TKIP and
+ *	CCMP keys, each six bytes in little endian
+ * @NL80211_KEY_DEFAULT: flag indicating default key
+ * @NL80211_KEY_DEFAULT_MGMT: flag indicating default management key
+ * @__NL80211_KEY_AFTER_LAST: internal
+ * @NL80211_KEY_MAX: highest key attribute
+ */
+enum nl80211_key_attributes {
+	__NL80211_KEY_INVALID,
+	NL80211_KEY_DATA,
+	NL80211_KEY_IDX,
+	NL80211_KEY_CIPHER,
+	NL80211_KEY_SEQ,
+	NL80211_KEY_DEFAULT,
+	NL80211_KEY_DEFAULT_MGMT,
+
+	/* keep last */
+	__NL80211_KEY_AFTER_LAST,
+	NL80211_KEY_MAX = __NL80211_KEY_AFTER_LAST - 1
+};
+
 #endif /* __LINUX_NL80211_H */

include/linux/skbuff.h

@@ -304,7 +304,6 @@ typedef unsigned char *sk_buff_data_t;
  *	@tc_index: Traffic control index
  *	@tc_verd: traffic control verdict
  *	@ndisc_nodetype: router type (from link layer)
- *	@do_not_encrypt: set to prevent encryption of this frame
  *	@dma_cookie: a cookie to one of several possible DMA operations
  *		done by skb DMA functions
  *	@secmark: security marking
@@ -379,13 +378,10 @@ struct sk_buff {
 	kmemcheck_bitfield_begin(flags2);
 #ifdef CONFIG_IPV6_NDISC_NODETYPE
 	__u8			ndisc_nodetype:2;
-#endif
-#if defined(CONFIG_MAC80211) || defined(CONFIG_MAC80211_MODULE)
-	__u8			do_not_encrypt:1;
 #endif
 	kmemcheck_bitfield_end(flags2);
 
-	/* 0/13/14 bit hole */
+	/* 0/14 bit hole */
 
 #ifdef CONFIG_NET_DMA
 	dma_cookie_t		dma_cookie;

include/net/cfg80211.h

@@ -538,7 +538,7 @@ struct cfg80211_ssid {
  * @ssids: SSIDs to scan for (active scan only)
  * @n_ssids: number of SSIDs
  * @channels: channels to scan on.
- * @n_channels: number of channels for each band
+ * @n_channels: total number of channels to scan
  * @ie: optional information element(s) to add into Probe Request or %NULL
  * @ie_len: length of ie in octets
  * @wiphy: the wiphy this was for
@@ -647,12 +647,17 @@ struct cfg80211_crypto_settings {
  * @auth_type: Authentication type (algorithm)
  * @ie: Extra IEs to add to Authentication frame or %NULL
  * @ie_len: Length of ie buffer in octets
+ * @key_len: length of WEP key for shared key authentication
+ * @key_idx: index of WEP key for shared key authentication
+ * @key: WEP key for shared key authentication
  */
 struct cfg80211_auth_request {
 	struct cfg80211_bss *bss;
 	const u8 *ie;
 	size_t ie_len;
 	enum nl80211_auth_type auth_type;
+	const u8 *key;
+	u8 key_len, key_idx;
 };
 
 /**
@@ -727,6 +732,8 @@ struct cfg80211_disassoc_request {
  * @ie: information element(s) to include in the beacon
  * @ie_len: length of that
  * @beacon_interval: beacon interval to use
+ * @privacy: this is a protected network, keys will be configured
+ *	after joining
  */
 struct cfg80211_ibss_params {
 	u8 *ssid;
@@ -736,6 +743,7 @@ struct cfg80211_ibss_params {
 	u8 ssid_len, ie_len;
 	u16 beacon_interval;
 	bool channel_fixed;
+	bool privacy;
 };
 
 /**
@@ -755,6 +763,9 @@ struct cfg80211_ibss_params {
  * @assoc_ie_len: Length of assoc_ie in octets
  * @privacy: indicates whether privacy-enabled APs should be used
  * @crypto: crypto settings
+ * @key_len: length of WEP key for shared key authentication
+ * @key_idx: index of WEP key for shared key authentication
+ * @key: WEP key for shared key authentication
  */
 struct cfg80211_connect_params {
 	struct ieee80211_channel *channel;
@@ -766,6 +777,8 @@ struct cfg80211_connect_params {
 	size_t ie_len;
 	bool privacy;
 	struct cfg80211_crypto_settings crypto;
+	const u8 *key;
+	u8 key_len, key_idx;
 };
 
 /**
@@ -1223,9 +1236,10 @@ extern void wiphy_unregister(struct wiphy *wiphy);
  */
 extern void wiphy_free(struct wiphy *wiphy);
 
-/* internal struct */
+/* internal structs */
 struct cfg80211_conn;
 struct cfg80211_internal_bss;
+struct cfg80211_cached_keys;
 
 #define MAX_AUTH_BSSES		4
 
@@ -1267,6 +1281,7 @@ struct wireless_dev {
 		CFG80211_SME_CONNECTED,
 	} sme_state;
 	struct cfg80211_conn *conn;
+	struct cfg80211_cached_keys *connect_keys;
 
 	struct list_head event_list;
 	spinlock_t event_lock;
@@ -1280,6 +1295,7 @@ struct wireless_dev {
 	struct {
 		struct cfg80211_ibss_params ibss;
 		struct cfg80211_connect_params connect;
+		struct cfg80211_cached_keys *keys;
 		u8 *ie;
 		size_t ie_len;
 		u8 bssid[ETH_ALEN];

include/net/mac80211.h

@@ -241,6 +241,8 @@ struct ieee80211_bss_conf {
  *	it can be sent out.
  * @IEEE80211_TX_INTFL_RETRIED: completely internal to mac80211,
  *	used to indicate that a frame was already retried due to PS
+ * @IEEE80211_TX_INTFL_DONT_ENCRYPT: completely internal to mac80211,
+ *	used to indicate frame should not be encrypted
  */
 enum mac80211_tx_control_flags {
 	IEEE80211_TX_CTL_REQ_TX_STATUS		= BIT(0),
@@ -259,6 +261,7 @@ enum mac80211_tx_control_flags {
 	IEEE80211_TX_INTFL_RCALGO		= BIT(13),
 	IEEE80211_TX_INTFL_NEED_TXPROCESSING	= BIT(14),
 	IEEE80211_TX_INTFL_RETRIED		= BIT(15),
+	IEEE80211_TX_INTFL_DONT_ENCRYPT		= BIT(16),
 };
 
 /**
@@ -2094,6 +2097,29 @@ static inline int rate_supported(struct ieee80211_sta *sta,
 	return (sta == NULL || sta->supp_rates[band] & BIT(index));
 }
 
+/**
+ * rate_control_send_low - helper for drivers for management/no-ack frames
+ *
+ * Rate control algorithms that agree to use the lowest rate to
+ * send management frames and NO_ACK data with the respective hw
+ * retries should use this in the beginning of their mac80211 get_rate
+ * callback. If true is returned the rate control can simply return.
+ * If false is returned we guarantee that sta and sta and priv_sta is
+ * not null.
+ *
+ * Rate control algorithms wishing to do more intelligent selection of
+ * rate for multicast/broadcast frames may choose to not use this.
+ *
+ * @sta: &struct ieee80211_sta pointer to the target destination. Note
+ * 	that this may be null.
+ * @priv_sta: private rate control structure. This may be null.
+ * @txrc: rate control information we sholud populate for mac80211.
+ */
+bool rate_control_send_low(struct ieee80211_sta *sta,
+			   void *priv_sta,
+			   struct ieee80211_tx_rate_control *txrc);
+
+
 static inline s8
 rate_lowest_index(struct ieee80211_supported_band *sband,
 		  struct ieee80211_sta *sta)
@@ -2110,6 +2136,17 @@ rate_lowest_index(struct ieee80211_supported_band *sband,
 	return 0;
 }
 
+static inline
+bool rate_usable_index_exists(struct ieee80211_supported_band *sband,
+			      struct ieee80211_sta *sta)
+{
+	unsigned int i;
+
+	for (i = 0; i < sband->n_bitrates; i++)
+		if (rate_supported(sta, sband->band, i))
+			return true;
+	return false;
+}
 
 int ieee80211_rate_control_register(struct rate_control_ops *ops);
 void ieee80211_rate_control_unregister(struct rate_control_ops *ops);

net/core/dev.c

@@ -3923,6 +3923,7 @@ int __dev_addr_sync(struct dev_addr_list **to, int *to_count,
 	}
 	return err;
 }
+EXPORT_SYMBOL_GPL(__dev_addr_sync);
 
 void __dev_addr_unsync(struct dev_addr_list **to, int *to_count,
 		       struct dev_addr_list **from, int *from_count)
@@ -3942,6 +3943,7 @@ void __dev_addr_unsync(struct dev_addr_list **to, int *to_count,
 		da = next;
 	}
 }
+EXPORT_SYMBOL_GPL(__dev_addr_unsync);
 
 /**
  *	dev_unicast_sync - Synchronize device's unicast list to another device

net/core/skbuff.c

@@ -559,9 +559,6 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
 #endif
 #endif
 	new->vlan_tci		= old->vlan_tci;
-#if defined(CONFIG_MAC80211) || defined(CONFIG_MAC80211_MODULE)
-	new->do_not_encrypt	= old->do_not_encrypt;
-#endif
 
 	skb_copy_secmark(new, old);
 }

net/mac80211/Kconfig

@@ -206,3 +206,15 @@ config MAC80211_DEBUG_COUNTERS
 	  and show them in debugfs.
 
 	  If unsure, say N.
+
+config MAC80211_DRIVER_API_TRACER
+	bool "Driver API tracer"
+	depends on MAC80211_DEBUG_MENU
+	depends on EVENT_TRACING
+	help
+	  Say Y here to make mac80211 register with the ftrace
+	  framework for the driver API -- you can see which
+	  driver methods it is calling then by looking at the
+	  trace.
+
+	  If unsure, say N.

net/mac80211/Makefile

@@ -41,6 +41,9 @@ mac80211-$(CONFIG_MAC80211_MESH) += \
 
 mac80211-$(CONFIG_PM) += pm.o
 
+mac80211-$(CONFIG_MAC80211_DRIVER_API_TRACER) += driver-trace.o
+CFLAGS_driver-trace.o := -I$(src)
+
 # objects for PID algorithm
 rc80211_pid-y := rc80211_pid_algo.o
 rc80211_pid-$(CONFIG_MAC80211_DEBUGFS) += rc80211_pid_debugfs.o

net/mac80211/agg-tx.c

@@ -383,9 +383,6 @@ static void ieee80211_agg_splice_packets(struct ieee80211_local *local,
 
 	if (!skb_queue_empty(&sta->ampdu_mlme.tid_tx[tid]->pending)) {
 		spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
-		/* mark queue as pending, it is stopped already */
-		__set_bit(IEEE80211_QUEUE_STOP_REASON_PENDING,
-			  &local->queue_stop_reasons[queue]);
 		/* copy over remaining packets */
 		skb_queue_splice_tail_init(
 			&sta->ampdu_mlme.tid_tx[tid]->pending,