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

author: David S. Miller <davem@davemloft.net> 2009-02-28 22:32:16 -0800
committer: David S. Miller <davem@davemloft.net> 2009-02-28 22:32:16 -0800
commit: 8010dc306ba39a8cdb3993d1e809fcb7dfdf089a (patch)
tree: d1fa3fe2e1501a6780fc007f2f57b1fe0995e18e /drivers/net/wireless/iwlwifi
parent: 5d242f1cee2c85721bbe9d8205e98c1c01f5d805 (diff)
parent: 2a07954b83a3d4dc93031d3ce030fb9380a8e15a (diff)
10 files changed, 242 insertions, 631 deletions
diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig
index 7b3bad1796c..6cc5a54d35c 100644
--- a/drivers/net/wireless/iwlwifi/Kconfig
+++ b/drivers/net/wireless/iwlwifi/Kconfig
@@ -1,27 +1,31 @@
 config IWLWIFI
-	bool "Intel Wireless Wifi"
+	tristate "Intel Wireless Wifi"
 	depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL
-	default y
-
-config IWLCORE
-	tristate "Intel Wireless Wifi Core"
-	depends on IWLWIFI
 	select LIB80211
+	select FW_LOADER
 	select MAC80211_LEDS if IWLWIFI_LEDS
 	select LEDS_CLASS if IWLWIFI_LEDS
 	select RFKILL if IWLWIFI_RFKILL
+	select MAC80211_LEDS if IWL3945_LEDS
+	select LEDS_CLASS if IWL3945_LEDS
 
 config IWLWIFI_LEDS
 	bool "Enable LED support in iwlagn driver"
-	depends on IWLCORE
+	depends on IWLWIFI
 
 config IWLWIFI_RFKILL
-	bool "Enable RF kill support in iwlagn driver"
-	depends on IWLCORE
+	bool "Enable RF kill support in iwlagn and iwl3945 drivers"
+	depends on IWLWIFI
+
+config IWLWIFI_SPECTRUM_MEASUREMENT
+	bool "Enable Spectrum Measurement in iwlagn driver"
+	depends on IWLWIFI
+	---help---
+	  This option will enable spectrum measurement for the iwlagn driver.
 
 config IWLWIFI_DEBUG
 	bool "Enable full debugging output in iwlagn and iwl3945 drivers"
-	depends on IWLCORE
+	depends on IWLWIFI
 	---help---
 	  This option will enable debug tracing output for the iwlwifi drivers
 
@@ -45,16 +49,14 @@ config IWLWIFI_DEBUG
 	  any problems you may encounter.
 
 config IWLWIFI_DEBUGFS
-        bool "Iwlwifi debugfs support"
-        depends on IWLCORE && IWLWIFI_DEBUG && MAC80211_DEBUGFS
+        bool "iwlagn debugfs support"
+        depends on IWLWIFI && IWLWIFI_DEBUG && MAC80211_DEBUGFS
         ---help---
 	  Enable creation of debugfs files for the iwlwifi drivers.
 
 config IWLAGN
-	tristate "Intel Wireless WiFi Next Gen AGN"
+	tristate "Intel Wireless WiFi Next Gen AGN (iwlagn)"
 	depends on IWLWIFI
-	select FW_LOADER
-	select IWLCORE
 	---help---
 	  Select to build the driver supporting the:
 
@@ -77,19 +79,6 @@ config IWLAGN
 	  say M here and read <file:Documentation/kbuild/modules.txt>.  The
 	  module will be called iwlagn.ko.
 
-config IWLAGN_SPECTRUM_MEASUREMENT
-	bool "Enable Spectrum Measurement in iwlagn driver"
-	depends on IWLAGN
-	---help---
-	  This option will enable spectrum measurement for the iwlagn driver.
-
-config IWLAGN_LEDS
-	bool "Enable LEDS features in iwlagn driver"
-	depends on IWLAGN
-	select IWLWIFI_LEDS
-	---help---
-	  This option enables LEDS for the iwlagn drivers
-
 
 config IWL4965
 	bool "Intel Wireless WiFi 4965AGN"
@@ -98,19 +87,14 @@ config IWL4965
 	  This option enables support for Intel Wireless WiFi Link 4965AGN
 
 config IWL5000
-	bool "Intel Wireless WiFi 5000AGN"
+	bool "Intel Wireless WiFi 5000AGN; Intel WiFi Link 100, 6000, and 6050 Series"
 	depends on IWLAGN
 	---help---
 	  This option enables support for Intel Wireless WiFi Link 5000AGN Family
 
 config IWL3945
-	tristate "Intel PRO/Wireless 3945ABG/BG Network Connection"
+	tristate "Intel PRO/Wireless 3945ABG/BG Network Connection (iwl3945)"
 	depends on IWLWIFI
-	select FW_LOADER
-	select LIB80211
-	select MAC80211_LEDS if IWL3945_LEDS
-	select LEDS_CLASS if IWL3945_LEDS
-	select RFKILL if IWLWIFI_RFKILL
 	---help---
 	  Select to build the driver supporting the:
 
@@ -134,7 +118,7 @@ config IWL3945
 	  module will be called iwl3945.ko.
 
 config IWL3945_SPECTRUM_MEASUREMENT
-	bool "Enable Spectrum Measurement in iwl3945 drivers"
+	bool "Enable Spectrum Measurement in iwl3945 driver"
 	depends on IWL3945
 	---help---
 	  This option will enable spectrum measurement for the iwl3945 driver.
diff --git a/drivers/net/wireless/iwlwifi/Makefile b/drivers/net/wireless/iwlwifi/Makefile
index ddc8b31b260..48af523ceab 100644
--- a/drivers/net/wireless/iwlwifi/Makefile
+++ b/drivers/net/wireless/iwlwifi/Makefile
@@ -1,11 +1,11 @@
-obj-$(CONFIG_IWLCORE)	+= iwlcore.o
+obj-$(CONFIG_IWLWIFI)	+= iwlcore.o
 iwlcore-objs 		:= iwl-core.o iwl-eeprom.o iwl-hcmd.o iwl-power.o
 iwlcore-objs 		+= iwl-rx.o iwl-tx.o iwl-sta.o iwl-calib.o
 iwlcore-objs 		+= iwl-scan.o
 iwlcore-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-debugfs.o
 iwlcore-$(CONFIG_IWLWIFI_LEDS) += iwl-led.o
 iwlcore-$(CONFIG_IWLWIFI_RFKILL) += iwl-rfkill.o
-iwlcore-$(CONFIG_IWLAGN_SPECTRUM_MEASUREMENT) += iwl-spectrum.o
+iwlcore-$(CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT) += iwl-spectrum.o
 
 obj-$(CONFIG_IWLAGN)	+= iwlagn.o
 iwlagn-objs		:= iwl-agn.o iwl-agn-rs.o
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index d49e48b9b03..0a750534ddf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -1073,7 +1073,7 @@ static int iwl3945_apm_init(struct iwl_priv *priv)
 	* D0U* --> D0A* state */
 	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
 
-	iwl_poll_direct_bit(priv, CSR_GP_CNTRL,
+	ret = iwl_poll_direct_bit(priv, CSR_GP_CNTRL,
 			    CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
 	if (ret < 0) {
 		IWL_DEBUG_INFO(priv, "Failed to init the card\n");
@@ -2747,6 +2747,7 @@ static struct iwl_lib_ops iwl3945_lib = {
 		.query_addr = iwlcore_eeprom_query_addr,
 	},
 	.send_tx_power	= iwl3945_send_tx_power,
+	.is_valid_rtc_data_addr = iwl3945_hw_valid_rtc_data_addr,
 };
 
 static struct iwl_hcmd_utils_ops iwl3945_hcmd_utils = {
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 397577c06c9..b49f9f7a8a6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -72,7 +72,7 @@
 #define VD
 #endif
 
-#ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
+#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT
 #define VS "s"
 #else
 #define VS
@@ -444,7 +444,7 @@ void iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq)
 		pci_unmap_single(dev,
 				pci_unmap_addr(&txq->cmd[index]->meta, mapping),
 				pci_unmap_len(&txq->cmd[index]->meta, len),
-				PCI_DMA_TODEVICE);
+				PCI_DMA_BIDIRECTIONAL);
 
 	/* Unmap chunks, if any. */
 	for (i = 1; i < num_tbs; i++) {
@@ -644,6 +644,9 @@ static u16 iwl_adjust_beacon_interval(u16 beacon_val)
 					/ MAX_UCODE_BEACON_INTERVAL;
 	new_val = beacon_val / beacon_factor;
 
+	if (!new_val)
+		new_val = MAX_UCODE_BEACON_INTERVAL;
+
 	return new_val;
 }
 
@@ -751,41 +754,6 @@ static void iwl_rx_reply_alive(struct iwl_priv *priv,
 		IWL_WARN(priv, "uCode did not respond OK.\n");
 }
 
-static void iwl_rx_reply_error(struct iwl_priv *priv,
-				   struct iwl_rx_mem_buffer *rxb)
-{
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
-
-	IWL_ERR(priv, "Error Reply type 0x%08X cmd %s (0x%02X) "
-		"seq 0x%04X ser 0x%08X\n",
-		le32_to_cpu(pkt->u.err_resp.error_type),
-		get_cmd_string(pkt->u.err_resp.cmd_id),
-		pkt->u.err_resp.cmd_id,
-		le16_to_cpu(pkt->u.err_resp.bad_cmd_seq_num),
-		le32_to_cpu(pkt->u.err_resp.error_info));
-}
-
-static void iwl_rx_pm_sleep_notif(struct iwl_priv *priv,
-				      struct iwl_rx_mem_buffer *rxb)
-{
-#ifdef CONFIG_IWLWIFI_DEBUG
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
-	struct iwl_sleep_notification *sleep = &(pkt->u.sleep_notif);
-	IWL_DEBUG_RX(priv, "sleep mode: %d, src: %d\n",
-		     sleep->pm_sleep_mode, sleep->pm_wakeup_src);
-#endif
-}
-
-static void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
-					     struct iwl_rx_mem_buffer *rxb)
-{
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
-	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));
-}
-
 static void iwl_bg_beacon_update(struct work_struct *work)
 {
 	struct iwl_priv *priv =
@@ -1312,64 +1280,6 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
 	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
-static irqreturn_t iwl_isr(int irq, void *data)
-{
-	struct iwl_priv *priv = data;
-	u32 inta, inta_mask;
-	u32 inta_fh;
-	if (!priv)
-		return IRQ_NONE;
-
-	spin_lock(&priv->lock);
-
-	/* Disable (but don't clear!) interrupts here to avoid
-	 *    back-to-back ISRs and sporadic interrupts from our NIC.
-	 * If we have something to service, the tasklet will re-enable ints.
-	 * If we *don't* have something, we'll re-enable before leaving here. */
-	inta_mask = iwl_read32(priv, CSR_INT_MASK);  /* just for debug */
-	iwl_write32(priv, CSR_INT_MASK, 0x00000000);
-
-	/* Discover which interrupts are active/pending */
-	inta = iwl_read32(priv, CSR_INT);
-	inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
-
-	/* Ignore interrupt if there's nothing in NIC to service.
-	 * This may be due to IRQ shared with another device,
-	 * or due to sporadic interrupts thrown from our NIC. */
-	if (!inta && !inta_fh) {
-		IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0, inta_fh == 0\n");
-		goto none;
-	}
-
-	if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) {
-		/* Hardware disappeared. It might have already raised
-		 * an interrupt */
-		IWL_WARN(priv, "HARDWARE GONE?? INTA == 0x%08x\n", inta);
-		goto unplugged;
-	}
-
-	IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
-		      inta, inta_mask, inta_fh);
-
-	inta &= ~CSR_INT_BIT_SCD;
-
-	/* iwl_irq_tasklet() will service interrupts and re-enable them */
-	if (likely(inta || inta_fh))
-		tasklet_schedule(&priv->irq_tasklet);
-
- unplugged:
-	spin_unlock(&priv->lock);
-	return IRQ_HANDLED;
-
- none:
-	/* re-enable interrupts here since we don't have anything to service. */
-	/* only Re-enable if diabled by irq */
-	if (test_bit(STATUS_INT_ENABLED, &priv->status))
-		iwl_enable_interrupts(priv);
-	spin_unlock(&priv->lock);
-	return IRQ_NONE;
-}
-
 /******************************************************************************
  *
  * uCode download functions
@@ -2674,71 +2584,6 @@ static void iwl_bss_info_changed(struct ieee80211_hw *hw,
 
 }
 
-static int iwl_mac_hw_scan(struct ieee80211_hw *hw,
-			   struct cfg80211_scan_request *req)
-{
-	unsigned long flags;
-	struct iwl_priv *priv = hw->priv;
-	int ret;
-	u8 *ssid = NULL;
-	size_t ssid_len = 0;
-
-	if (req->n_ssids) {
-		ssid = req->ssids[0].ssid;
-		ssid_len = req->ssids[0].ssid_len;
-	}
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-
-	mutex_lock(&priv->mutex);
-	spin_lock_irqsave(&priv->lock, flags);
-
-	if (!iwl_is_ready_rf(priv)) {
-		ret = -EIO;
-		IWL_DEBUG_MAC80211(priv, "leave - not ready or exit pending\n");
-		goto out_unlock;
-	}
-
-	/* We don't schedule scan within next_scan_jiffies period.
-	 * Avoid scanning during possible EAPOL exchange, return
-	 * success immediately.
-	 */
-	if (priv->next_scan_jiffies &&
-	    time_after(priv->next_scan_jiffies, jiffies)) {
-		IWL_DEBUG_SCAN(priv, "scan rejected: within next scan period\n");
-		queue_work(priv->workqueue, &priv->scan_completed);
-		ret = 0;
-		goto out_unlock;
-	}
-
-	/* if we just finished scan ask for delay */
-	if (iwl_is_associated(priv) && priv->last_scan_jiffies &&
-	    time_after(priv->last_scan_jiffies + IWL_DELAY_NEXT_SCAN, jiffies)) {
-		IWL_DEBUG_SCAN(priv, "scan rejected: within previous scan period\n");
-		queue_work(priv->workqueue, &priv->scan_completed);
-		ret = 0;
-		goto out_unlock;
-	}
-
-	if (ssid_len) {
-		priv->one_direct_scan = 1;
-		priv->direct_ssid_len = ssid_len;
-		memcpy(priv->direct_ssid, ssid, priv->direct_ssid_len);
-	} else {
-		priv->one_direct_scan = 0;
-	}
-
-	ret = iwl_scan_initiate(priv);
-
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-
-out_unlock:
-	spin_unlock_irqrestore(&priv->lock, flags);
-	mutex_unlock(&priv->mutex);
-
-	return ret;
-}
-
 static void iwl_mac_update_tkip_key(struct ieee80211_hw *hw,
 			struct ieee80211_key_conf *keyconf, const u8 *addr,
 			u32 iv32, u16 *phase1key)
@@ -3370,7 +3215,7 @@ static DEVICE_ATTR(statistics, S_IRUGO, show_statistics, NULL);
 
 static void iwl_setup_deferred_work(struct iwl_priv *priv)
 {
-	priv->workqueue = create_workqueue(DRV_NAME);
+	priv->workqueue = create_singlethread_workqueue(DRV_NAME);
 
 	init_waitqueue_head(&priv->wait_command_queue);
 
@@ -3612,7 +3457,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	err = sysfs_create_group(&pdev->dev.kobj, &iwl_attribute_group);
 	if (err) {
 		IWL_ERR(priv, "failed to create sysfs device attributes\n");
-		goto out_uninit_drv;
+		goto out_free_irq;
 	}
 
 	iwl_setup_deferred_work(priv);
@@ -3657,10 +3502,10 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
  out_remove_sysfs:
 	sysfs_remove_group(&pdev->dev.kobj, &iwl_attribute_group);
+ out_free_irq:
+	free_irq(priv->pci_dev->irq, priv);
  out_disable_msi:
 	pci_disable_msi(priv->pci_dev);
-	pci_disable_device(priv->pci_dev);
- out_uninit_drv:
 	iwl_uninit_drv(priv);
  out_free_eeprom:
 	iwl_eeprom_free(priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 260bf903cb7..37069d4c6c9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1386,14 +1386,16 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
 {
 	int ret = 0;
 	if (tx_power < IWL_TX_POWER_TARGET_POWER_MIN) {
-		IWL_WARN(priv, "Requested user TXPOWER %d below limit.\n",
-			    priv->tx_power_user_lmt);
+		IWL_WARN(priv, "Requested user TXPOWER %d below lower limit %d.\n",
+			 tx_power,
+			 IWL_TX_POWER_TARGET_POWER_MIN);
 		return -EINVAL;
 	}
 
 	if (tx_power > IWL_TX_POWER_TARGET_POWER_MAX) {
-		IWL_WARN(priv, "Requested user TXPOWER %d above limit.\n",
-			    priv->tx_power_user_lmt);
+		IWL_WARN(priv, "Requested user TXPOWER %d above upper limit %d.\n",
+			 tx_power,
+			 IWL_TX_POWER_TARGET_POWER_MAX);
 		return -EINVAL;
 	}
 
@@ -1442,6 +1444,65 @@ void iwl_enable_interrupts(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_enable_interrupts);
 
+irqreturn_t iwl_isr(int irq, void *data)
+{
+	struct iwl_priv *priv = data;
+	u32 inta, inta_mask;
+	u32 inta_fh;
+	if (!priv)
+		return IRQ_NONE;
+
+	spin_lock(&priv->lock);
+
+	/* Disable (but don't clear!) interrupts here to avoid
+	 *    back-to-back ISRs and sporadic interrupts from our NIC.
+	 * If we have something to service, the tasklet will re-enable ints.
+	 * If we *don't* have something, we'll re-enable before leaving here. */
+	inta_mask = iwl_read32(priv, CSR_INT_MASK);  /* just for debug */
+	iwl_write32(priv, CSR_INT_MASK, 0x00000000);
+
+	/* Discover which interrupts are active/pending */
+	inta = iwl_read32(priv, CSR_INT);
+	inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
+
+	/* Ignore interrupt if there's nothing in NIC to service.
+	 * This may be due to IRQ shared with another device,
+	 * or due to sporadic interrupts thrown from our NIC. */
+	if (!inta && !inta_fh) {
+		IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0, inta_fh == 0\n");
+		goto none;
+	}
+
+	if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) {
+		/* Hardware disappeared. It might have already raised
+		 * an interrupt */
+		IWL_WARN(priv, "HARDWARE GONE?? INTA == 0x%08x\n", inta);
+		goto unplugged;
+	}
+
+	IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
+		      inta, inta_mask, inta_fh);
+
+	inta &= ~CSR_INT_BIT_SCD;
+
+	/* iwl_irq_tasklet() will service interrupts and re-enable them */
+	if (likely(inta || inta_fh))
+		tasklet_schedule(&priv->irq_tasklet);
+
+ unplugged:
+	spin_unlock(&priv->lock);
+	return IRQ_HANDLED;
+
+ none:
+	/* re-enable interrupts here since we don't have anything to service. */
+	/* only Re-enable if diabled by irq */
+	if (test_bit(STATUS_INT_ENABLED, &priv->status))
+		iwl_enable_interrupts(priv);
+	spin_unlock(&priv->lock);
+	return IRQ_NONE;
+}
+EXPORT_SYMBOL(iwl_isr);
+
 int iwl_send_bt_config(struct iwl_priv *priv)
 {
 	struct iwl_bt_cmd bt_cmd = {
@@ -1977,3 +2038,42 @@ void iwl_bg_rf_kill(struct work_struct *work)
 	iwl_rfkill_set_hw_state(priv);
 }
 EXPORT_SYMBOL(iwl_bg_rf_kill);
+
+void iwl_rx_pm_sleep_notif(struct iwl_priv *priv,
+			   struct iwl_rx_mem_buffer *rxb)
+{
+#ifdef CONFIG_IWLWIFI_DEBUG
+	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	struct iwl_sleep_notification *sleep = &(pkt->u.sleep_notif);
+	IWL_DEBUG_RX(priv, "sleep mode: %d, src: %d\n",
+		     sleep->pm_sleep_mode, sleep->pm_wakeup_src);
+#endif
+}
+EXPORT_SYMBOL(iwl_rx_pm_sleep_notif);
+
+void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
+				      struct iwl_rx_mem_buffer *rxb)
+{
+	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	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));
+}
+EXPORT_SYMBOL(iwl_rx_pm_debug_statistics_notif);
+
+void iwl_rx_reply_error(struct iwl_priv *priv,
+			struct iwl_rx_mem_buffer *rxb)
+{
+	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+
+	IWL_ERR(priv, "Error Reply type 0x%08X cmd %s (0x%02X) "
+		"seq 0x%04X ser 0x%08X\n",
+		le32_to_cpu(pkt->u.err_resp.error_type),
+		get_cmd_string(pkt->u.err_resp.cmd_id),
+		pkt->u.err_resp.cmd_id,
+		le16_to_cpu(pkt->u.err_resp.bad_cmd_seq_num),
+		le32_to_cpu(pkt->u.err_resp.error_info));
+}
+EXPORT_SYMBOL(iwl_rx_reply_error);
+
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 9d464ec99dd..7427d75b8c8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -250,6 +250,16 @@ int iwl_init_drv(struct iwl_priv *priv);
 void iwl_uninit_drv(struct iwl_priv *priv);
 
 /*****************************************************
+ * RX handlers.
+ * **************************************************/
+void iwl_rx_pm_sleep_notif(struct iwl_priv *priv,
+			   struct iwl_rx_mem_buffer *rxb);
+void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
+				      struct iwl_rx_mem_buffer *rxb);
+void iwl_rx_reply_error(struct iwl_priv *priv,
+			struct iwl_rx_mem_buffer *rxb);
+
+/*****************************************************
 * RX
 ******************************************************/
 void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
@@ -345,6 +355,7 @@ void iwl_init_scan_params(struct iwl_priv *priv);
 int iwl_scan_cancel(struct iwl_priv *priv);
 int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
 int iwl_scan_initiate(struct iwl_priv *priv);
+int iwl_mac_hw_scan(struct ieee80211_hw *hw, struct cfg80211_scan_request *req);
 u16 iwl_fill_probe_req(struct iwl_priv *priv, enum ieee80211_band band,
 		       struct ieee80211_mgmt *frame, int left);
 void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
@@ -379,7 +390,7 @@ void iwl_calib_free_results(struct iwl_priv *priv);
 /*******************************************************************************
  * Spectrum Measureemtns in  iwl-spectrum.c
  ******************************************************************************/
-#ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
+#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT
 void iwl_setup_spectrum_handlers(struct iwl_priv *priv);
 #else
 static inline void iwl_setup_spectrum_handlers(struct iwl_priv *priv) {}
@@ -410,6 +421,7 @@ int iwl_send_card_state(struct iwl_priv *priv, u32 flags,
  *****************************************************/
 void iwl_disable_interrupts(struct iwl_priv *priv);
 void iwl_enable_interrupts(struct iwl_priv *priv);
+irqreturn_t iwl_isr(int irq, void *data);
 static inline u16 iwl_pcie_link_ctl(struct iwl_priv *priv)
 {
 	int pos;
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index afde713c806..b3e23abb911 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -841,7 +841,7 @@ struct iwl_priv {
 
 	struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
 
-#if defined(CONFIG_IWLAGN_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT)
+#if defined(CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT)
 	/* spectrum measurement report caching */
 	struct iwl_spectrum_notification measure_report;
 	u8 measurement_status;
@@ -922,7 +922,7 @@ struct iwl_priv {
 	 * 4965's initialize alive response contains some calibration data. */
 	struct iwl_init_alive_resp card_alive_init;
 	struct iwl_alive_resp card_alive;
-#if defined(CONFIG_IWLWIFI_RFKILL) || defined(CONFIG_IWL3945_RFKILL)
+#if defined(CONFIG_IWLWIFI_RFKILL)
 	struct rfkill *rfkill;
 #endif
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 1ec2b20eb37..23644cf884f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -440,6 +440,74 @@ int iwl_scan_initiate(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_scan_initiate);
 
+#define IWL_DELAY_NEXT_SCAN (HZ*2)
+
+int iwl_mac_hw_scan(struct ieee80211_hw *hw,
+		     struct cfg80211_scan_request *req)
+{
+	unsigned long flags;
+	struct iwl_priv *priv = hw->priv;
+	int ret;
+	u8 *ssid = NULL;
+	size_t ssid_len = 0;
+
+	if (req->n_ssids) {
+		ssid = req->ssids[0].ssid;
+		ssid_len = req->ssids[0].ssid_len;
+	}
+
+	IWL_DEBUG_MAC80211(priv, "enter\n");
+
+	mutex_lock(&priv->mutex);
+	spin_lock_irqsave(&priv->lock, flags);
+
+	if (!iwl_is_ready_rf(priv)) {
+		ret = -EIO;
+		IWL_DEBUG_MAC80211(priv, "leave - not ready or exit pending\n");
+		goto out_unlock;
+	}
+
+	/* We don't schedule scan within next_scan_jiffies period.
+	 * Avoid scanning during possible EAPOL exchange, return
+	 * success immediately.
+	 */
+	if (priv->next_scan_jiffies &&
+	    time_after(priv->next_scan_jiffies, jiffies)) {
+		IWL_DEBUG_SCAN(priv, "scan rejected: within next scan period\n");
+		queue_work(priv->workqueue, &priv->scan_completed);
+		ret = 0;
+		goto out_unlock;
+	}
+
+	/* if we just finished scan ask for delay */
+	if (iwl_is_associated(priv) && priv->last_scan_jiffies &&
+	    time_after(priv->last_scan_jiffies + IWL_DELAY_NEXT_SCAN, jiffies)) {
+		IWL_DEBUG_SCAN(priv, "scan rejected: within previous scan period\n");
+		queue_work(priv->workqueue, &priv->scan_completed);
+		ret = 0;
+		goto out_unlock;
+	}
+
+	if (ssid_len) {
+		priv->one_direct_scan = 1;
+		priv->direct_ssid_len =  ssid_len;
+		memcpy(priv->direct_ssid, ssid, priv->direct_ssid_len);
+	} else {
+		priv->one_direct_scan = 0;
+	}
+
+	ret = iwl_scan_initiate(priv);
+
+	IWL_DEBUG_MAC80211(priv, "leave\n");
+
+out_unlock:
+	spin_unlock_irqrestore(&priv->lock, flags);
+	mutex_unlock(&priv->mutex);
+
+	return ret;
+}
+EXPORT_SYMBOL(iwl_mac_hw_scan);
+
 #define IWL_SCAN_CHECK_WATCHDOG (7 * HZ)
 
 void iwl_bg_scan_check(struct work_struct *data)
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index ae04c2086f7..dff60fb7021 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -819,7 +819,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	 * within command buffer array. */
 	txcmd_phys = pci_map_single(priv->pci_dev,
 				    out_cmd, sizeof(struct iwl_cmd),
-				    PCI_DMA_TODEVICE);
+				    PCI_DMA_BIDIRECTIONAL);
 	pci_unmap_addr_set(&out_cmd->meta, mapping, txcmd_phys);
 	pci_unmap_len_set(&out_cmd->meta, len, sizeof(struct iwl_cmd));
 	/* Add buffer containing Tx command and MAC(!) header to TFD's
@@ -968,7 +968,7 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 			IWL_MAX_SCAN_SIZE : sizeof(struct iwl_cmd);
 
 	phys_addr = pci_map_single(priv->pci_dev, out_cmd,
-				   len, PCI_DMA_TODEVICE);
+				   len, PCI_DMA_BIDIRECTIONAL);
 	pci_unmap_addr_set(&out_cmd->meta, mapping, phys_addr);
 	pci_unmap_len_set(&out_cmd->meta, len, len);
 	phys_addr += offsetof(struct iwl_cmd, hdr);
@@ -1068,7 +1068,7 @@ static void iwl_hcmd_queue_reclaim(struct iwl_priv *priv, int txq_id,
 	pci_unmap_single(priv->pci_dev,
 		pci_unmap_addr(&txq->cmd[cmd_idx]->meta, mapping),
 		pci_unmap_len(&txq->cmd[cmd_idx]->meta, len),
-		PCI_DMA_TODEVICE);
+		PCI_DMA_BIDIRECTIONAL);
 
 	for (idx = iwl_queue_inc_wrap(idx, q->n_bd); q->read_ptr != idx;
 	     q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) {
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 0cd8cb96a5e..d0596e7f64e 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -726,38 +726,6 @@ static void iwl3945_setup_rxon_timing(struct iwl_priv *priv)
 		le16_to_cpu(priv->rxon_timing.atim_window));
 }
 
-static int iwl3945_scan_initiate(struct iwl_priv *priv)
-{
-	if (!iwl_is_ready_rf(priv)) {
-		IWL_DEBUG_SCAN(priv, "Aborting scan due to not ready.\n");
-		return -EIO;
-	}
-
-	if (test_bit(STATUS_SCANNING, &priv->status)) {
-		IWL_DEBUG_SCAN(priv, "Scan already in progress.\n");
-		return -EAGAIN;
-	}
-
-	if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
-		IWL_DEBUG_SCAN(priv, "Scan request while abort pending.  "
-			       "Queuing.\n");
-		return -EAGAIN;
-	}
-
-	IWL_DEBUG_INFO(priv, "Starting scan...\n");
-	if (priv->cfg->sku & IWL_SKU_G)
-		priv->scan_bands |= BIT(IEEE80211_BAND_2GHZ);
-	if (priv->cfg->sku & IWL_SKU_A)
-		priv->scan_bands |= BIT(IEEE80211_BAND_5GHZ);
-	set_bit(STATUS_SCANNING, &priv->status);
-	priv->scan_start = jiffies;
-	priv->scan_pass_start = priv->scan_start;
-
-	queue_work(priv->workqueue, &priv->request_scan);
-
-	return 0;
-}
-
 static int iwl3945_set_mode(struct iwl_priv *priv, int mode)
 {
 	if (mode == NL80211_IFTYPE_ADHOC) {
@@ -1188,56 +1156,6 @@ drop:
 	return -1;
 }
 
-static void iwl3945_radio_kill_sw(struct iwl_priv *priv, int disable_radio)
-{
-	unsigned long flags;
-
-	if (!!disable_radio == test_bit(STATUS_RF_KILL_SW, &priv->status))
-		return;
-
-	IWL_DEBUG_RF_KILL(priv, "Manual SW RF KILL set to: RADIO %s\n",
-			  disable_radio ? "OFF" : "ON");
-
-	if (disable_radio) {
-		iwl_scan_cancel(priv);
-		/* FIXME: This is a workaround for AP */
-		if (priv->iw_mode != NL80211_IFTYPE_AP) {
-			spin_lock_irqsave(&priv->lock, flags);
-			iwl_write32(priv, CSR_UCODE_DRV_GP1_SET,
-				    CSR_UCODE_SW_BIT_RFKILL);
-			spin_unlock_irqrestore(&priv->lock, flags);
-			iwl_send_card_state(priv, CARD_STATE_CMD_DISABLE, 0);
-			set_bit(STATUS_RF_KILL_SW, &priv->status);
-		}
-		return;
-	}
-
-	spin_lock_irqsave(&priv->lock, flags);
-	iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
-
-	clear_bit(STATUS_RF_KILL_SW, &priv->status);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	/* wake up ucode */
-	msleep(10);
-
-	spin_lock_irqsave(&priv->lock, flags);
-	iwl_read32(priv, CSR_UCODE_DRV_GP1);
-	if (!iwl_grab_nic_access(priv))
-		iwl_release_nic_access(priv);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	if (test_bit(STATUS_RF_KILL_HW, &priv->status)) {
-		IWL_DEBUG_RF_KILL(priv, "Can not turn radio back on - "
-				  "disabled by HW switch\n");
-		return;
-	}
-
-	if (priv->is_open)
-		queue_work(priv->workqueue, &priv->restart);
-	return;
-}
-
 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
 
 #include "iwl-spectrum.h"
@@ -1417,60 +1335,6 @@ static void iwl3945_rx_reply_add_sta(struct iwl_priv *priv,
 	return;
 }
 
-static void iwl3945_rx_reply_error(struct iwl_priv *priv,
-			       struct iwl_rx_mem_buffer *rxb)
-{
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
-
-	IWL_ERR(priv, "Error Reply type 0x%08X cmd %s (0x%02X) "
-		"seq 0x%04X ser 0x%08X\n",
-		le32_to_cpu(pkt->u.err_resp.error_type),
-		get_cmd_string(pkt->u.err_resp.cmd_id),
-		pkt->u.err_resp.cmd_id,
-		le16_to_cpu(pkt->u.err_resp.bad_cmd_seq_num),
-		le32_to_cpu(pkt->u.err_resp.error_info));
-}
-
-static void iwl3945_rx_spectrum_measure_notif(struct iwl_priv *priv,
-					  struct iwl_rx_mem_buffer *rxb)
-{
-#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
-	struct iwl_spectrum_notification *report = &(pkt->u.spectrum_notif);
-
-	if (!report->state) {
-		IWL_DEBUG(priv, IWL_DL_11H | IWL_DL_INFO,
-			  "Spectrum Measure Notification: Start\n");
-		return;
-	}
-
-	memcpy(&priv->measure_report, report, sizeof(*report));
-	priv->measurement_status |= MEASUREMENT_READY;
-#endif
-}
-
-static void iwl3945_rx_pm_sleep_notif(struct iwl_priv *priv,
-				  struct iwl_rx_mem_buffer *rxb)
-{
-#ifdef CONFIG_IWLWIFI_DEBUG
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
-	struct iwl_sleep_notification *sleep = &(pkt->u.sleep_notif);
-	IWL_DEBUG_RX(priv, "sleep mode: %d, src: %d\n",
-		     sleep->pm_sleep_mode, sleep->pm_wakeup_src);
-#endif
-}
-
-static void iwl3945_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
-					     struct iwl_rx_mem_buffer *rxb)
-{
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
-	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));
-}
-
 static void iwl3945_bg_beacon_update(struct work_struct *work)
 {
 	struct iwl_priv *priv =
@@ -1518,127 +1382,6 @@ static void iwl3945_rx_beacon_notif(struct iwl_priv *priv,
 		queue_work(priv->workqueue, &priv->beacon_update);
 }
 
-/* Service response to REPLY_SCAN_CMD (0x80) */
-static void iwl3945_rx_reply_scan(struct iwl_priv *priv,
-			      struct iwl_rx_mem_buffer *rxb)
-{
-#ifdef CONFIG_IWLWIFI_DEBUG
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
-	struct iwl_scanreq_notification *notif =
-	    (struct iwl_scanreq_notification *)pkt->u.raw;
-
-	IWL_DEBUG_RX(priv, "Scan request status = 0x%x\n", notif->status);
-#endif
-}
-
-/* Service SCAN_START_NOTIFICATION (0x82) */
-static void iwl3945_rx_scan_start_notif(struct iwl_priv *priv,
-				    struct iwl_rx_mem_buffer *rxb)
-{
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
-	struct iwl_scanstart_notification *notif =
-	    (struct iwl_scanstart_notification *)pkt->u.raw;
-	priv->scan_start_tsf = le32_to_cpu(notif->tsf_low);
-	IWL_DEBUG_SCAN(priv, "Scan start: "
-		       "%d [802.11%s] "
-		       "(TSF: 0x%08X:%08X) - %d (beacon timer %u)\n",
-		       notif->channel,
-		       notif->band ? "bg" : "a",
-		       notif->tsf_high,
-		       notif->tsf_low, notif->status, notif->beacon_timer);
-}
-
-/* Service SCAN_RESULTS_NOTIFICATION (0x83) */
-static void iwl3945_rx_scan_results_notif(struct iwl_priv *priv,
-				      struct iwl_rx_mem_buffer *rxb)
-{
-#ifdef CONFIG_IWLWIFI_DEBUG
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
-	struct iwl_scanresults_notification *notif =
-	    (struct iwl_scanresults_notification *)pkt->u.raw;
-#endif
-
-	IWL_DEBUG_SCAN(priv, "Scan ch.res: "
-		       "%d [802.11%s] "
-		       "(TSF: 0x%08X:%08X) - %d "
-		       "elapsed=%lu usec (%dms since last)\n",
-		       notif->channel,
-		       notif->band ? "bg" : "a",
-		       le32_to_cpu(notif->tsf_high),
-		       le32_to_cpu(notif->tsf_low),
-		       le32_to_cpu(notif->statistics[0]),
-		       le32_to_cpu(notif->tsf_low) - priv->scan_start_tsf,
-		       jiffies_to_msecs(elapsed_jiffies
-					(priv->last_scan_jiffies, jiffies)));
-
-	priv->last_scan_jiffies = jiffies;
-	priv->next_scan_jiffies = 0;
-}
-
-/* Service SCAN_COMPLETE_NOTIFICATION (0x84) */
-static void iwl3945_rx_scan_complete_notif(struct iwl_priv *priv,
-				       struct iwl_rx_mem_buffer *rxb)
-{
-#ifdef CONFIG_IWLWIFI_DEBUG
-	struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
-	struct iwl_scancomplete_notification *scan_notif = (void *)pkt->u.raw;
-#endif
-
-	IWL_DEBUG_SCAN(priv, "Scan complete: %d channels (TSF 0x%08X:%08X) - %d\n",
-		       scan_notif->scanned_channels,
-		       scan_notif->tsf_low,
-		       scan_notif->tsf_high, scan_notif->status);
-
-	/* The HW is no longer scanning */
-	clear_bit(STATUS_SCAN_HW, &priv->status);
-
-	/* The scan completion notification came in, so kill that timer... */
-	cancel_delayed_work(&priv->scan_check);
-
-	IWL_DEBUG_INFO(priv, "Scan pass on %sGHz took %dms\n",
-		       (priv->scan_bands & BIT(IEEE80211_BAND_2GHZ)) ?
-							"2.4" : "5.2",
-		       jiffies_to_msecs(elapsed_jiffies
-					(priv->scan_pass_start, jiffies)));
-
-	/* Remove this scanned band from the list of pending
-	 * bands to scan, band G precedes A in order of scanning
-	 * as seen in iwl3945_bg_request_scan */
-	if (priv->scan_bands & BIT(IEEE80211_BAND_2GHZ))
-		priv->scan_bands &= ~BIT(IEEE80211_BAND_2GHZ);
-	else if (priv->scan_bands &  BIT(IEEE80211_BAND_5GHZ))
-		priv->scan_bands &= ~BIT(IEEE80211_BAND_5GHZ);
-
-	/* If a request to abort was given, or the scan did not succeed
-	 * then we reset the scan state machine and terminate,
-	 * re-queuing another scan if one has been requested */
-	if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
-		IWL_DEBUG_INFO(priv, "Aborted scan completed.\n");
-		clear_bit(STATUS_SCAN_ABORTING, &priv->status);
-	} else {
-		/* If there are more bands on this scan pass reschedule */
-		if (priv->scan_bands > 0)
-			goto reschedule;
-	}
-
-	priv->last_scan_jiffies = jiffies;
-	priv->next_scan_jiffies = 0;
-	IWL_DEBUG_INFO(priv, "Setting scan to off\n");
-
-	clear_bit(STATUS_SCANNING, &priv->status);
-
-	IWL_DEBUG_INFO(priv, "Scan took %dms\n",
-		jiffies_to_msecs(elapsed_jiffies(priv->scan_start, jiffies)));
-
-	queue_work(priv->workqueue, &priv->scan_completed);
-
-	return;
-
-reschedule:
-	priv->scan_pass_start = jiffies;
-	queue_work(priv->workqueue, &priv->request_scan);
-}
-
 /* Handle notification from uCode that card's power state is changing
  * due to software, hardware, or critical temperature RFKILL */
 static void iwl3945_rx_card_state_notif(struct iwl_priv *priv,
@@ -1690,13 +1433,11 @@ static void iwl3945_setup_rx_handlers(struct iwl_priv *priv)
 {
 	priv->rx_handlers[REPLY_ALIVE] = iwl3945_rx_reply_alive;
 	priv->rx_handlers[REPLY_ADD_STA] = iwl3945_rx_reply_add_sta;
-	priv->rx_handlers[REPLY_ERROR] = iwl3945_rx_reply_error;
+	priv->rx_handlers[REPLY_ERROR] = iwl_rx_reply_error;
 	priv->rx_handlers[CHANNEL_SWITCH_NOTIFICATION] = iwl_rx_csa;
-	priv->rx_handlers[SPECTRUM_MEASURE_NOTIFICATION] =
-	    iwl3945_rx_spectrum_measure_notif;
-	priv->rx_handlers[PM_SLEEP_NOTIFICATION] = iwl3945_rx_pm_sleep_notif;
+	priv->rx_handlers[PM_SLEEP_NOTIFICATION] = iwl_rx_pm_sleep_notif;
 	priv->rx_handlers[PM_DEBUG_STATISTIC_NOTIFIC] =
-	    iwl3945_rx_pm_debug_statistics_notif;
+	    iwl_rx_pm_debug_statistics_notif;
 	priv->rx_handlers[BEACON_NOTIFICATION] = iwl3945_rx_beacon_notif;
 
 	/*
@@ -1707,12 +1448,8 @@ static void iwl3945_setup_rx_handlers(struct iwl_priv *priv)
 	priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl3945_hw_rx_statistics;
 	priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl3945_hw_rx_statistics;
 
-	priv->rx_handlers[REPLY_SCAN_CMD] = iwl3945_rx_reply_scan;
-	priv->rx_handlers[SCAN_START_NOTIFICATION] = iwl3945_rx_scan_start_notif;
-	priv->rx_handlers[SCAN_RESULTS_NOTIFICATION] =
-	    iwl3945_rx_scan_results_notif;
-	priv->rx_handlers[SCAN_COMPLETE_NOTIFICATION] =
-	    iwl3945_rx_scan_complete_notif;
+	iwl_setup_spectrum_handlers(priv);
+	iwl_setup_rx_scan_handlers(priv);
 	priv->rx_handlers[CARD_STATE_NOTIFICATION] = iwl3945_rx_card_state_notif;
 
 	/* Set up hardware specific Rx handlers */
@@ -2195,14 +1932,6 @@ static void iwl3945_rx_handle(struct iwl_priv *priv)
 	iwl3945_rx_queue_restock(priv);
 }
 
-static void iwl3945_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, CSR_INI_SET_MASK);
-}
-
-
 /* call this function to flush any scheduled tasklet */
 static inline void iwl_synchronize_irq(struct iwl_priv *priv)
 {
@@ -2211,21 +1940,6 @@ static inline void iwl_synchronize_irq(struct iwl_priv *priv)
 	tasklet_kill(&priv->irq_tasklet);
 }
 
-
-static inline void iwl3945_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 const char *desc_lookup(int i)
 {
 	switch (i) {
@@ -2467,7 +2181,7 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv)
 		IWL_ERR(priv, "Microcode HW error detected.  Restarting.\n");
 
 		/* Tell the device to stop sending interrupts */
-		iwl3945_disable_interrupts(priv);
+		iwl_disable_interrupts(priv);
 
 		iwl_irq_handle_error(priv);
 
@@ -2547,7 +2261,7 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv)
 	/* Re-enable all interrupts */
 	/* only Re-enable if disabled by irq */
 	if (test_bit(STATUS_INT_ENABLED, &priv->status))
-		iwl3945_enable_interrupts(priv);
+		iwl_enable_interrupts(priv);
 
 #ifdef CONFIG_IWLWIFI_DEBUG
 	if (priv->debug_level & (IWL_DL_ISR)) {
@@ -2561,63 +2275,6 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv)
 	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
-static irqreturn_t iwl3945_isr(int irq, void *data)
-{
-	struct iwl_priv *priv = data;
-	u32 inta, inta_mask;
-	u32 inta_fh;
-	if (!priv)
-		return IRQ_NONE;
-
-	spin_lock(&priv->lock);
-
-	/* Disable (but don't clear!) interrupts here to avoid
-	 *    back-to-back ISRs and sporadic interrupts from our NIC.
-	 * If we have something to service, the tasklet will re-enable ints.
-	 * If we *don't* have something, we'll re-enable before leaving here. */
-	inta_mask = iwl_read32(priv, CSR_INT_MASK);  /* just for debug */
-	iwl_write32(priv, CSR_INT_MASK, 0x00000000);
-
-	/* Discover which interrupts are active/pending */
-	inta = iwl_read32(priv, CSR_INT);
-	inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
-
-	/* Ignore interrupt if there's nothing in NIC to service.
-	 * This may be due to IRQ shared with another device,
-	 * or due to sporadic interrupts thrown from our NIC. */
-	if (!inta && !inta_fh) {
-		IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0, inta_fh == 0\n");
-		goto none;
-	}
-
-	if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) {
-		/* Hardware disappeared */
-		IWL_WARN(priv, "HARDWARE GONE?? INTA == 0x%08x\n", inta);
-		goto unplugged;
-	}
-
-	IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
-		      inta, inta_mask, inta_fh);
-
-	inta &= ~CSR_INT_BIT_SCD;
-
-	/* iwl3945_irq_tasklet() will service interrupts and re-enable them */
-	if (likely(inta || inta_fh))
-		tasklet_schedule(&priv->irq_tasklet);
-unplugged:
-	spin_unlock(&priv->lock);
-
-	return IRQ_HANDLED;
-
- none:
-	/* re-enable interrupts here since we don't have anything to service. */
-	/* only Re-enable if disabled by irq */
-	if (test_bit(STATUS_INT_ENABLED, &priv->status))
-		iwl3945_enable_interrupts(priv);
-	spin_unlock(&priv->lock);
-	return IRQ_NONE;
-}
-
 static int iwl3945_get_channels_for_scan(struct iwl_priv *priv,
 					 enum ieee80211_band band,
 				     u8 is_active, u8 n_probes,
@@ -3387,7 +3044,7 @@ static void __iwl3945_down(struct iwl_priv *priv)
 
 	/* tell the device to stop sending interrupts */
 	spin_lock_irqsave(&priv->lock, flags);
-	iwl3945_disable_interrupts(priv);
+	iwl_disable_interrupts(priv);
 	spin_unlock_irqrestore(&priv->lock, flags);
 	iwl_synchronize_irq(priv);
 
@@ -3517,7 +3174,7 @@ static int __iwl3945_up(struct iwl_priv *priv)
 
 	/* clear (again), then enable host interrupts */
 	iwl_write32(priv, CSR_INT, 0xFFFFFFFF);
-	iwl3945_enable_interrupts(priv);
+	iwl_enable_interrupts(priv);
 
 	/* really make sure rfkill handshake bits are cleared */
 	iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
@@ -4172,9 +3829,13 @@ static int iwl3945_mac_config(struct ieee80211_hw *hw, u32 changed)
 	}
 #endif
 
-	iwl3945_radio_kill_sw(priv, !conf->radio_enabled);
+	if (conf->radio_enabled && iwl_radio_kill_sw_enable_radio(priv)) {
+		IWL_DEBUG_MAC80211(priv, "leave - RF-KILL - waiting for uCode\n");
+		goto out;
+	}
 
 	if (!conf->radio_enabled) {
+		iwl_radio_kill_sw_disable_radio(priv);
 		IWL_DEBUG_MAC80211(priv, "leave - radio disabled\n");
 		goto out;
 	}
@@ -4442,66 +4103,6 @@ static void iwl3945_bss_info_changed(struct ieee80211_hw *hw,
 
 }
 
-static int iwl3945_mac_hw_scan(struct ieee80211_hw *hw,
-			       struct cfg80211_scan_request *req)
-{
-	int rc = 0;
-	unsigned long flags;
-	struct iwl_priv *priv = hw->priv;
-	size_t len = 0;
-	u8 *ssid = NULL;
-	DECLARE_SSID_BUF(ssid_buf);
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-
-	if (req->n_ssids) {
-		ssid = req->ssids[0].ssid;
-		len = req->ssids[0].ssid_len;
-	}
-
-	mutex_lock(&priv->mutex);
-	spin_lock_irqsave(&priv->lock, flags);
-
-	if (!iwl_is_ready_rf(priv)) {
-		rc = -EIO;
-		IWL_DEBUG_MAC80211(priv, "leave - not ready or exit pending\n");
-		goto out_unlock;
-	}
-
-	/* we don't schedule scan within next_scan_jiffies period */
-	if (priv->next_scan_jiffies &&
-			time_after(priv->next_scan_jiffies, jiffies)) {
-		rc = -EAGAIN;
-		goto out_unlock;
-	}
-	/* if we just finished scan ask for delay for a broadcast scan */
-	if ((len == 0) && priv->last_scan_jiffies &&
-	    time_after(priv->last_scan_jiffies + IWL_DELAY_NEXT_SCAN,
-		       jiffies)) {
-		rc = -EAGAIN;
-		goto out_unlock;
-	}
-	if (len) {
-		IWL_DEBUG_SCAN(priv, "direct scan for %s [%zd]\n ",
-			       print_ssid(ssid_buf, ssid, len), len);
-
-		priv->one_direct_scan = 1;
-		priv->direct_ssid_len = len;
-		memcpy(priv->direct_ssid, ssid, len);
-	} else
-		priv->one_direct_scan = 0;
-
-	rc = iwl3945_scan_initiate(priv);
-
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-
-out_unlock:
-	spin_unlock_irqrestore(&priv->lock, flags);
-	mutex_unlock(&priv->mutex);
-
-	return rc;
-}
-
 static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 			       struct ieee80211_vif *vif,
 			       struct ieee80211_sta *sta,
@@ -5201,7 +4802,7 @@ static DEVICE_ATTR(dump_events, S_IWUSR, NULL, dump_event_log);
 
 static void iwl3945_setup_deferred_work(struct iwl_priv *priv)
 {
-	priv->workqueue = create_workqueue(DRV_NAME);
+	priv->workqueue = create_singlethread_workqueue(DRV_NAME);
 
 	init_waitqueue_head(&priv->wait_command_queue);
 
@@ -5275,7 +4876,7 @@ static struct ieee80211_ops iwl3945_hw_ops = {
 	.conf_tx = iwl3945_mac_conf_tx,
 	.reset_tsf = iwl3945_mac_reset_tsf,
 	.bss_info_changed = iwl3945_bss_info_changed,
-	.hw_scan = iwl3945_mac_hw_scan
+	.hw_scan = iwl_mac_hw_scan
 };
 
 static int iwl3945_init_drv(struct iwl_priv *priv)
@@ -5526,12 +5127,12 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
 	 * ********************/
 
 	spin_lock_irqsave(&priv->lock, flags);
-	iwl3945_disable_interrupts(priv);
+	iwl_disable_interrupts(priv);
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 	pci_enable_msi(priv->pci_dev);
 
-	err = request_irq(priv->pci_dev->irq, iwl3945_isr, IRQF_SHARED,
+	err = request_irq(priv->pci_dev->irq, iwl_isr, IRQF_SHARED,
 			  DRV_NAME, priv);
 	if (err) {
 		IWL_ERR(priv, "Error allocating IRQ %d\n", priv->pci_dev->irq);
@@ -5621,7 +5222,7 @@ static void __devexit iwl3945_pci_remove(struct pci_dev *pdev)
 	 * tasklet for the driver
 	 */
 	spin_lock_irqsave(&priv->lock, flags);
-	iwl3945_disable_interrupts(priv);
+	iwl_disable_interrupts(priv);
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 	iwl_synchronize_irq(priv);
author	David S. Miller <davem@davemloft.net>	2009-02-28 22:32:16 -0800
committer	David S. Miller <davem@davemloft.net>	2009-02-28 22:32:16 -0800
commit	8010dc306ba39a8cdb3993d1e809fcb7dfdf089a (patch)
tree	d1fa3fe2e1501a6780fc007f2f57b1fe0995e18e /drivers/net/wireless/iwlwifi
parent	5d242f1cee2c85721bbe9d8205e98c1c01f5d805 (diff)
parent	2a07954b83a3d4dc93031d3ce030fb9380a8e15a (diff)